1 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
3 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
4 (LIBCPP_OBJS): New. Add cppulp.o.
5 (cppmain, fix-header): Depend on and use libcpp.a.
6 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
7 of the individual object files.
8 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
11 * cccp.c (user_label_prefix): New.
12 (main): Set it off -f*leading-underscore.
13 (special_symbol): Use it.
14 * cpplib.c (special_symbol): Likewise.
15 (cpp_handle_option): Handle -f*leading-underscore.
18 * output.h (user_label_prefix): Declare it.
19 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
20 * toplev.c (f_options, main): Handle -f*leading-underscore.
22 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
23 referencing USER_LABEL_PREFIX directly.
24 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
25 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
26 * final.c (asm_fprintf): Use user_label_prefix instead.
27 * arm/thumb.c (thumb_print_operand): Likewise.
29 * gcc.c (default_compilers): Pass -f*leading-underscore on to
30 cpp wherever appropriate.
32 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
34 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
35 specific compiler switches.
37 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
39 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
42 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
44 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
45 structure which has exactly the members provided by EXTRA_SPECS.
46 Xmalloc() the real `extra_specs', and initialize it from this
47 intermediate structure.
49 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
51 * mips.h (EXTRA_SPECS): Likewise.
53 * sparc.h (EXTRA_SPECS): Likewise.
55 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
57 * function.c (purge_addressof_1): Instead of aborting when a
58 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
59 work just put the ADDRESSOF on stack. Otherwise remember all such
60 successfull replacements, so that exactly the same replacements
61 can be made on the REG_NOTEs. Remove the special case for CALL
63 (purge_addressof_replacements): New variable.
64 (purge_addressof): Clear it at end.
66 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
68 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
69 if pending_types is non-zero.
70 (dwarfout_finish): Verify pending_types is zero before finishing.
72 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
74 * expr.c (convert_move): Use shifts to perform the move if a
75 suitable extend pattern cannot be found. Code written by
76 Richard Henderson <rth@cygnus.com>.
78 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
80 * regclass.c (renumber, regno_allocated): New static variables, moved
81 out of allocate_reg_info.
82 (allocate_reg_info): Move these two variables outside the function.
83 Move code to free memory into new function free_reg_info.
84 (free_reg_info): New function, broken out of allocate_reg_info.
85 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
86 * rtl.h (allocate_reg_info): Don't declare.
87 (free_reg_info): Declare.
89 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
91 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
93 * toplev.c (compile_file): Temporarily revert last change.
95 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
97 * c-typeck.c (convert_for_assignment): Parenthesize.
99 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
101 * reload1.c (delete_output_reload): Avoid ambigous else.
103 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
105 * toplev.c (compile_file): Call allocate_reg_info to free register
107 * rtl.h (allocate_reg_info): Declare.
109 * PROJECTS: Remove entry for local spilling.
111 * final.c (cleanup_subreg_operands): New function.
112 (final_scan_insn): Use it.
113 (alter_subreg): Clear the "used" field when we turn a SUBREG into
115 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
116 operands when reload has finished.
117 * reload.h (cleanup_subreg_operands): Declare..
118 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
119 reload. Handled in reload itself.
121 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
123 * reload1.c (verify_initial_offsets): New function.
124 (reload): Call it after reload_as_needed. Also verify that the frame
125 size stays constant during reload_as_needed.
126 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
128 * reload.h (struct insn_chain): Add need_operand_change element.
129 * reload1.c (new_insn_chain): Clear it.
130 (calculate_needs_all_insns): Set it; don't overload need_reload.
131 (reload_as_needed): Use it.
133 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
134 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
135 and reload_address_index_reg_class.
136 (find_reloads_address_1): Likewise.
137 * reload.h (reload_address_base_reg_class,
138 reload_address_index_reg_class): Don't declare.
139 * reload1.c (reg_old_renumber, pseudo_previous_regs,
140 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
141 (used_spill_regs): Now static.
142 (reload_address_base_reg_class, reload_address_index_reg_class,
143 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
144 basic_block_needs, max_needs, group_size, group_mode, max_groups,
145 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
148 (init_reload): Delete code to compute base/index reg classes.
149 (reload): Delete variable J.
150 Delete code to manage basic_block_needs.
151 Don't compute regs_explicitly_used.
152 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
153 pseudo_previous_regs.
154 Initialize bad_spill_regs_global.
155 Don't call order_regs_for_reload here.
156 Don't initialize spill_reg_order and n_spills.
157 Don't forbid explicitly used regs to be used for spill regs.
158 Change main loop to infinite loop, with explicit break statements.
159 Make SOMETHING_CHANGED variable local to that loop.
160 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
161 max_groups_insn, max_nongroups_insn, group_size, group_mode.
162 Make sure spilled_speudos is cleared before calling spill_hard_reg or
164 Don't call dump_needs.
165 Delete code to reset potential_reload_regs.
166 Delete code to terminate loop conditional on the global needs variables
167 showing no further needs.
168 (calculate_needs_all_insns): Return void. All callers changed.
169 Initialize somehing_needs_elimination here, not in reload.
170 Delete avoid_return_reg kludge.
171 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
173 Initialize the group_mode and group_size elements of the arg CHAIN.
174 Delete code to manage basic_block_needs.
175 Operate on elements of CHAIN instead of global variables.
176 Delete avoid_return_reg kludge.
177 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
179 Operate on elements of CHAIN instead of global variables.
180 Delete special SMALL_REGISTER_CLASSES code.
181 Delete spill_failure code; now in new_spill_reg.
182 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
184 Operate on elements of CHAIN instead of global variables.
185 (maybe_mark_pseudo_spilled): New static function.
186 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
188 Operate on elements of CHAIN instead of global variables.
189 Call order_regs_for_reload here, not in reload.
190 Initialize spill_reg_order and n_spills.
191 Simplify test whether an asm insn is involved.
192 Delete spill_failure code; now in new_spill_reg.
193 Call maybe_mark_pseudo_spilled for everything marked as live in
194 CHAIN. Merge CHAIN's used_spill_regs into the global variable
196 (dump_needs): Take CHAIN arg. No longer static, to prevent the
197 compiler from optimizing this function (now unused) away.
198 Operate on elements of CHAIN instead of global variables.
199 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
201 Operate on elements of CHAIN instead of global variables.
202 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
203 take CHAIN arg. All callers changed.
204 Operate on elements of CHAIN instead of global variables.
205 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
206 CHAIN, NONGROUP args. Return void. All callers changed.
207 Verify caller isn't trying to spill a pseudo.
208 Simplify test for illegal reg, just use bad_spill_regs.
209 Generate better error messages.
210 Operate on elements of CHAIN instead of global variables.
211 Mark spilled register in CHAIN's used_spill_regs element.
212 Don't call spill_hard_reg.
213 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
214 Mark spilled hard regs in bad_spill_regs_global.
215 Mark affected pseudos in spilled_pseudos, but don't spill them.
216 (ior_hard_reg_set): New static function.
217 (finish_spills): Return int. All callers changed.
218 Compute spill_reg_order, n_spills and spill_regs here. Also update
219 regs_ever_live for regs used as spills.
220 For every pseudo in spilled_pseudos, spill it and mark the previous
221 hard reg it had in pseudo_previous_regs. Compute which hard regs
222 arseudo): New static function.
223 (order_regs_for_reload): Take CHAIN arg. All callers changed.
224 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
225 hard registers explicitly used across the current insn into the set.
226 Compute hard_reg_n_uses taking only pseudos live across this insn
228 Tweak sorting of potential_reload_regs.
229 (compare_spill_regs): Delete function.
230 (reload_as_needed): Don't sort the spill_regs array, it's computed
231 in proper order in finish_spills.
232 Delete avoid_return_reg kludge.
233 Delete code to manage basic_block_needs.
234 (allocate_reload_reg): Minor speed/readability tweaks.
235 Operate on elements of CHAIN instead of global variables.
236 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
237 Delete avoid_return_reg kludge.
238 Initialize reload_reg_used from CHAIN's used_spill_regs element.
239 Delete unused label FAIL.
240 (reload_combine): Replce reload_address_index_reg_class with
242 Don't use used_spill_regs to determine information about lifetime of
245 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
247 * toplev.c (display_help): Ignore empty target specific
248 options, and if -W is also specified on the command line then
249 display undocumented options.
251 * config/arm/arm.c: Updated with changes in devo sources.
252 * config/arm/arm.h: Updated with changes in devo sources.
253 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
254 * config/arm/lib1thumb.asm: Add ELF support.
256 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
258 * collect2.c (aix64_flag): New variable.
259 (main, case 'b'): Parse it.
260 (GCC_CHECK_HDR): object magic number must match mode.
261 (scan_prog_file): Only check for shared object if valid header.
262 Print debugging if header/mode mismatch.
264 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
266 Added support for arm-elf-linux configuration, submitted by Philip
267 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
268 code developed by Catherine Moore <clm@cygnus.com>. The following
271 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
274 * configure: Regenerated.
276 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
277 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
278 definitions conditional on their not having been already defined.
280 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
281 and .type directives, and add "(PLT)" qualification to function
284 * config/arm/linux.h: Deleted. This file is now superceeded by
285 either linux-elf.h or linux-aout.h.
287 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
288 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
290 Move definitions from old linux.h file here.
292 * config/arm/elf.h: New file. Generic ARM/ELF support.
294 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
296 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
298 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
299 using the 26bit APCS.
301 * config/arm/unknown-elf.h: New file. Support for OS'es other
304 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
307 * config/arm/coff.h: Include aout.h for basic assembler macros.
308 Add support for -mstructure_size_boundary=<n> command line option.
310 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
311 command line option. Make macro definitions conditional on their
312 not having been already defined.
314 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
318 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
320 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
321 has been changed to not include a newline. Use this macro instead.
322 (output_enumeral_list, const_value_attribute, name_attribute,
323 comp_dir_attribute, prototyped_attribute, producer_attribute,
324 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
325 dwarfout_file_scope_decl, generate_new_sfname_entry,
326 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
327 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
329 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
331 * combine.c (subst): Process the inputs to a parallel asm_operands
334 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
336 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
338 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
340 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
342 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
344 * version.c: Bump for snapshot.
346 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
348 * stmt.c (expand_fixup): Set fixup->before_jump to a
349 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
351 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
353 * Makefile.in (recog.o): Depend on toplev.h.
354 (insn-emit.o): Depend on recog.h.
355 (insn-peep.o): Depend on recog.h and insn-config.h.
357 * combine.c (simplify_set): Remove unused variable `scratches'.
359 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
360 and `idx' in macro conditional controlling their use.
362 * genemit.c (main): Make the generated output file include
363 recog.h. Don't have it declare `insn_operand_constraint', since
364 we get it from recog.h.
366 * genpeep.c (main): Make the generated output file include
367 insn-config.h and recog.h.
369 * recog.c: Include toplev.h.
370 (extract_insn): Remove unused variable `p'.
372 * regclass.c (fix_register): Add missing braces around initializer
374 (allocate_reg_info): Move variable `i' into the scope where it is
375 used. Change its type to `size_t'.
377 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
379 * reload.c (push_reload): When merging reloads, make sure
380 that reload_in_reg and reload_in are from the same reload in
383 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
385 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
386 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
388 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
390 * loop.c (loop_has_tablejump): New variable.
391 (prescan_loop): Scan for it.
392 (insert_bct): Replace explicit scan with use of it.
393 * regclass.c (regclass): Restore loop variable j.
394 (record_reg_classes): Deterine op_types modifiers and initialize
395 classes[i] before matching constraints. Handle matching
398 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
400 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
403 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
405 * mips.h (EXTRA_SPECS): Add missing initializers.
407 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
409 * sparc.h (EXTRA_SPECS): Add missing initializers.
410 (sparc_defer_case_vector): Provide a prototype.
412 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
413 comparing it to the result of a pointer subtraction.
415 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
417 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
418 the argument to (unsigned char).
420 * alpha.h (EXTRA_SPECS): Add missing initializers.
421 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
424 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
426 * flow.c (life_analysis_1): Enable "rescan" code after reload.
427 (propagate_block): Delete dead code after reload.
429 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
430 back Oct 15, 1998 change.
431 * haifa-sched.c (update_flow_info): Likewise.
432 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
434 * mn10200.md (truncated shift): Accept constant inputs too.
436 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
438 * machmode.h (mode_mask_array): No longer const.
439 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
441 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
443 * frame.c: Somewhat explain `FDE'.
444 Suggested by Brendan Kehoe
446 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
448 * expr.c (pending_chain): Move up.
449 (save_expr_status): Do save pending_chain.
450 (restore_expr_status): And restore it.
451 * function.h (struct function): Add pending_chain.
453 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
455 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
456 did not match the code.
458 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
460 * regclass.c (regclass): Break out some code into new function
461 scan_one_insn, and into regclass_init.
462 (init_cost): New static variable, moved out of regclass.
463 (regclass_init): Initialize it here, not in .
464 (scan_one_insn): New static function, broken out of regclass.
465 * recog.c (apply_change_group): Break out some code into new
466 function insn_invalid_p.
467 (insn_invalid_p): New static fn, broken out of apply_change_group.
469 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
471 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
472 reg_reloaded_contents matches incremented pseudo.
474 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
476 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
478 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
479 addressing modes with side effects. These are currently
480 placeholders for the C4x target.
482 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
484 * loop.c (express_from): Make sure that when generating a PLUS of
485 a PLUS, any constant expression appears on the outermost PLUS.
487 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
489 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
490 works if "$(srcdir)" != ".".
492 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
494 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
495 existing SUBREG if we can, otherwise abort.
497 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
499 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
500 `restrict' is applied to a non-pointer variable.
502 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
504 * invoke.texi: Document -flang-isoc9x.
506 * Makefile.in (OBJS): Add splay-tree.o.
507 (c-common.o): Depend on rtl.h.
508 (splay-tree.o): List dependencies and provide build rule.
510 * rtl.h (record_alias_subset): New function.
511 * alias.c: Include splay-tree.h.
512 (alias_set_entry): New type.
513 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
514 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
515 (mems_in_disjoin_alias_sets_p): New function.
516 (alias_set_compare): Likewise.
517 (insert_subset_children): Likewise.
518 (get_alias_set_entry): Likewise.
520 * tree.h (TYPE_RESTRICT): New macro.
521 (TYPE_UNQUALIFIED): New manifest constant.
522 (TYPE_QUAL_CONST): Likewise
523 (TYPE_QUAL_VOLATILE): Likewise.
524 (TYPE_QUAL_RESTRICT): Likewise.
525 (tree_type): Add restrict_flag. Reduce count of free bits.
526 (DECL_POINTER_ALIAS_SET): New macro.
527 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
528 (tree_decl): Add pointer_alias_set.
529 (build_qualified_type): New function.
530 (build_type_variant): Define in terms of build_qualified_type.
531 * tree.c (set_type_quals): New function.
532 (make_node): Initializae DECL_POINTER_ALIAS_SET.
533 (build_type_attribute_variant): Use build_qualified_type and
535 (build_type_variant): Rename, and modify, to become...
536 (build_qualified_type): New function.
537 (build_complex_type): Use set_type_quals.
539 * c-tree.h (C_TYPE_OBJECT_P): New macro.
540 (C_TYPE_FUNCTION_P): Likewise.
541 (C_TYPE_INCOMPLETE_P): Likewise.
542 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
543 (c_apply_type_quals_to_decl): New function.
544 (c_build_qualified_type): New function.
545 (c_build_type_variant): Define in terms of c_build_qualified_type.
546 (flag_isoc9x): Declare.
547 * c-typeck.c (qualify_type): Use c_build_qualified_type.
548 (common_type): Change to use TYPE_QUALS.
549 (comptypes): Likewise.
550 (convert_for_assignment): Likewise.
551 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
552 * c-decl.c (flag_isoc9x): Define.
553 (c_decode_option): Handle -flang-isoc9x.
554 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
555 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
556 * c-lex.c (init_lex): Deal with restrict.
557 (init_lex): Don't treat restrict as a reserved word in
558 -traditional mode, or without -flang-isoc9x.
559 * c-lex.h (rid): Add RID_RESTRICT.
560 * c-parse.gperf (restrict, __restrict, __restrict__): Make
561 equivalent to RID_RESTRICT.
562 * c-parse.in (TYPE_QUAL): Update comment.
563 * c-common.c: Include rtl.h.
564 (c_find_base_decl): New function.
565 (c_build_type_variant): Rename, and modify, to become ...
566 (c_build_qualified_type): New function.
567 (c_apply_type_quals_to_decl): Likewise.
568 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
569 a particular alias set for the reference.
570 * toplev.c (documented_lang_options): Add -flang-isoc9x.
572 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
574 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
575 command line switches.
577 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
579 * reload.c (loc_mentioned_in_p): Add missing braces to bind
582 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
584 * gcc.c (option_map): Added --classpath and --CLASSPATH.
586 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
588 * regclass.c (fix_register): Add error message.
589 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
592 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
594 * c-decl.c (warn_missing_noreturn): New global variable.
595 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
596 (finish_function): Implement missing noreturn warning.
598 * c-tree.h (warn_missing_noreturn): Declare extern.
600 * invoke.texi: Document new flags.
602 * toplev.c (documented_lang_options): Add description.
604 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
606 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
607 loop optimization stable for the C4x.
608 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
609 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
610 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
612 (c4x_address_conflict): Be more paranoid when packing a volatile
613 memref in a parallel load/store.
615 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
617 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
618 repeat_block_filler): Deleted.
619 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
620 Condition code not set if destination register from 'c' class.
621 (*subbqi3_carry_clobber): Fix typo.
623 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
625 * reorg.c (steal_delay_list_from_target) Check for insns that
626 modify the condition codes and effect the direction of the jump
629 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
631 * function.c (purge_addressof_1): Replace call to
632 emit_insns_before() with emit_insn_before().
634 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
636 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
638 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
640 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
642 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
644 * gcse.c (compute_hash_table): Correctly identify hard regs which are
645 clobbered across calls.
647 * loop.c (scan_loop): Be more selective about what invariants are
650 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
652 * version.c: Bump for snapshot.
654 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
656 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
657 static eh_context structure.
659 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
661 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
663 (try_combine): Don't update max_scratch.
664 * flow.c (max_scratch, num_scratch): Delete variables.
665 (life_analysis_1): Don't initialize max_scratch.
666 (propagate_block): Don't update max_scratch.
667 (mark_set_1): Don't increment num_scratch.
668 * regs.h (max_scratch): Delete declaration.
670 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
672 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
673 is nonzero. This is temporary!
675 * sched.c (update_flow_info): Handle death notes made invalid by
676 instruction splitting. Partially reverts Oct 15, 1998 patch.
677 * haifa-sched.c (update_flow_info): Likewise.
679 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
681 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
682 if it has a nonzero DECL_INITIAL.
684 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
686 * Makefile.in (flow.o): Depend on recog.h.
688 * cpplib.h (directive_table): Add missing initializiers.
689 (finclude): Change type of variable `bsize' to size_t.
691 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
693 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
695 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
696 `int' when comparing against one.
697 (cpp_file_line_for_message): Mark parameter `pfile' with
699 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
701 * flow.c: Include recog.h.
702 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
704 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
705 `f' with ATTRIBUTE_UNUSED.
706 (reposition_prologue_and_epilogue_notes): Likewise.
708 * genopinit.c (gen_insn): Cast argument of ctype functions to
711 * haifa-sched.c: Include recog.h.
712 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
713 comparing against one.
715 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
717 * mips-tfile.c (parse_end): Cast the argument of ctype function to
719 (parse_ent): Likewise.
720 (parse_input): Likewise.
722 * optabs.c (init_libfuncs): Likewise.
724 * protoize.c (find_rightmost_formals_list): Likewise.
726 * recog.h (const_double_operand): Fix typo in prototype.
728 * tlink.c (scan_linker_output): Cast the argument of ctype
729 function to `unsigned char'.
731 * toplev.c (check_lang_option): Cast the result of `strlen' to
732 `int' when comparing against one.
734 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
736 * gcse.c (dump_cuid_table): Correct typo.
738 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
740 * toplev.c (display_help): Prepend '-m' to target specific
742 (check_lang_option): Ignore text after end of first word of a
743 language specific option.
745 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
747 * reload1.c (reg_used_by_pseudo): New static variable.
748 (choose_reload_regs): Initialize it.
749 Use it instead of testing spill_reg_order to determine whether a
750 pseudo is live in a hard register across the current insn.
751 Fix a typo in a reference to reload_reg_rtx.
753 * flow.c (propagate_block): Replace code that computes and uses
754 regs_sometimes_live with simpler code that just walks the set of
755 currently live registers.
757 * Makefile.in (insn-extract.o): Fix dependencies.
758 * genextract.c (main): Generate includes for insn-config.h and
760 Delete generation of declarations which are now in recog.h.
761 * genrecog.c (main): Delete generation of definitions which are
763 * local-alloc.c (block_alloc): Use extract_insn and the variables
764 it sets up instead of looking up values by insn_code.
765 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
766 recog_dup_num): Define here instead of generating the definition in
768 (recog_n_operands, recog_n_dups, recog_n_alternatives,
769 recog_operand_mode, recog_constraints, recog_operand_address_p):
771 (extract_insn): New function.
772 * recog.h (extract_insn): Declare function.
773 (which_alternative, recog_n_operands, recog_n_dups,
774 recog_n_alternatives, recog_operand_mode, recog_constraints,
775 recog_operand_address_p): Declare variables.
776 * regclass.c (n_occurrences): New static function.
777 * reload.c (n_occurrences): Delete function.
778 (find_reloads): Use extract_insn.
779 * reload.h (n_occurrences): Delete declaration.
781 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
783 * reload1.c (reload_as_needed): Fix test for when to call
784 update_eliminable_offsets.
786 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
788 Fix consistency problems with reg_equiv_{mem,address};
789 Improve reload inheritance;
791 * reload.c (reload_out_reg): New variable.
792 (loc_mentioned_in_p, remove_address_replacements): New functions.
793 (remove_replacements): Deleted.
794 (push_reload): Set reload_out_reg[i].
795 When merging, also set reload_{in,out}_reg[i], and remove
796 duplicate address reloads.
797 (combine_reloads): Copy reload_out_reg[i].
798 (find_reloads): Do make_memloc substitution also when
799 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
801 Include *recog_operand_loc in commutativity operand changes.
802 Generate optional output reloads.
803 Delete reference to n_memlocs. Don't set *recog_operand_loc before
804 processing operands. Call make_memloc in reg_equiv_address code.
805 Set *recog_operand_loc only after processing operands, and only
806 if replace is true. Return a value.
807 When changing address reload types for operands that didn't get
808 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
809 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
810 Don't emit USEs for pseudo SUBREGs when not replacing.
811 (find_reloads_address): Do make_memloc substitution also when
812 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
814 (find_reloads_toplev): Likewise.
815 Call make_memloc in reg_equiv_address code.
816 (debug_reload_to_stream): Add code to output reload_out_reg.
817 (make_memloc): Delete local variable i, ifdefed out code, and
818 references to memlocs and n_memlocs.
819 (memlocs, n_memlocs): Delete.
820 (push_secondary_reload): Clear reload_out_reg.
821 (find_reloads_address_1): Provide memrefloc argument to all calls
822 to find_reloads_address.
823 In AUTO_INC code, handle non-directly addressable equivalences properly.
824 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
825 (find_reloads): Add return type.
826 (remove_address_replacements, deallocate_reload_reg): Declare.
827 * reload1.c (num_not_at_initial_offset): No longer static.
828 (delete_address_reloads, delete_address_reloads_1): Likewise.
829 (deallocate_reload_reg): New function.
830 (spill_reg_stored_to): New array.
831 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
832 (eliminate_regs_in_insn): Move assignments of previous_offset and
833 max_offset fields, and recalculation of num_not_at_initial_offset
834 into new static function:
835 (update_eliminable_offsets) .
836 (reload_as_needed): Call update_eliminable_offsetss after calling
838 Call forget_old_reloads_1 with contents of reloaded auto_inc
839 expressions if the actual addressing can't be changed to match the
841 (choose_reload_regs): For inheritance, replace
842 reload_reg_free_before_p test with reload_reg_used_at_all test, and
843 remove stand-alone reload_reg_used_at_all test.
844 Use reload_out_reg to determine which reload regs have output reloads.
845 Treat reload_override_in more similar to inherited reloads.
846 Handle (subreg (reg... for inheritance.
847 For flag_expensive_optimizations, add an extra pass to remove
848 unnecessary reloads from known working inheritance.
849 Delete obsolete code for pseudos replaced with MEMs.
850 Handle inheritance from auto_inc expressions.
851 (emit_reload_insns): If reload_in is a MEM, set OLD to
853 Don't reload directly from oldequiv; if it's a pseudo with a
854 stack slot, use reload_in[j].
855 Check that reload_in_reg[j] is a MEM before replacing reload_in
856 from reg_reloaded_contents.
857 Include non-spill registers in reload inheritance processing.
858 Also try to use reload_out_reg to set spill_reg_store /
860 In code to set new_spill_reg_store, use single_set to find out if
861 there is a single set.
862 Add code that allows to delete optional output reloads.
863 Add code to allow deletion of output reloads that use no spill reg.
864 At the end, set reload_override_in to oldequiv.
865 Also call delete_output_reload if reload_out_reg is equal to old
867 Add code to call delete_output_reload for stores with no matching load.
868 Set / use spill_reg_stored_to.
869 Handle case where secondary output reload uses a temporary, but
870 actual store isn't found.
871 When looking for a store of a value not loaded in order to call
872 delete_output_reload, count_occurences should return 0 for no
873 loads; but discount inherited input reloadill_reg_stored_to.
874 Do checks for extra uses of REG. Changed all
876 Use delete_address_reloads.
877 (reload): Take return value of find_reloads into account.
878 If a no-op set needs more than one reload, delete it.
879 (reload_reg_free_before_p): RELOAD_FOR_INPUT
880 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
881 for the same operand.
882 (clear_reload_reg_in_use): Check for other reloads that keep a
884 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
885 RELOAD_FOR_OPADDR_ADDR.
886 Take into account when an address address reload is only needed
887 for the address reload we are considering.
888 (count_occurrences): Use rtx_equal_p for MEMs.
889 (inc_for_reload): Return instruction that stores into RELOADREG.
890 New argument two, IN, and rtx. Changed all callers.
891 (calculate_needs_all_insns, reload_as_needed):
892 Don't clear after_call for a CLOBBER.
893 Keep track of how many hard registers need to be copied from
894 after_call, and don't clear after_call before we have seen
895 that much copies, or we see a different instruction.
897 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
899 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
900 after reload has completed.
902 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
904 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
905 a macro name and the next token with a single blank if that whitespace
906 is in a macro buffer and the next token is not '('.
908 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
910 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
912 (skip_if_group): Ditto.
913 (skip_to_end_of_comment): Ditto.
915 (discard_comments): Ditto.
916 (change_newlines): Ditto.
918 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
920 * c-lex.c (yylex): Fix unaligned access of wchar_t.
922 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
924 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
925 (TARGET_OPTIONS): Add --help documentation.
927 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
929 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
931 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
933 * fixinc/* Moved in from ../contrib directory in preparation
934 for integrating it into the normal build process. In particular,
935 fixinc/Makefile.in must be config-ed into the build directory
936 as fixinc/Makefile. Proposed patches to ./Makefile.in and
937 ./configure.in will be "in the mail" momentarily.
939 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
941 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
942 accidently walk into the free list. Comment how that can happen.
943 (invalidate): Fix indentation.
945 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
946 Jeffrey A Law (law@cygnus.com)
948 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
949 reload. Never perform rescans of the insn chain after reload.
950 (propagate_block): Do not delete insn or create new autoinc addressing
953 * jump.c (jump_optimize): Unconditionally use the code that was
954 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
955 * reload1.c (reload): When reloading is finished, delete all
956 REG_DEAD and REG_UNUSED notes.
957 (emit_reload_insns): Delete all code that was conditional on
958 PRESERVE_DEATH_INFO_REGNO_P.
959 (no_longer_dead_regs): Delete variable.
960 (reload_cse_delete_death_notes): Delete function.
961 (reload_cse_no_longer_dead): Delete function.
962 (reload_cse_regs_1): Delete all code to handle deletion of death
964 (reload_cse_noop_set_p): Likewise.
965 (reload_cse_simplify_set): Likewise.
966 (reload_cse_simplify_operands): Likewise.
967 (reload_cse_move2add): Likewise.
968 * reorg.c (used_spill_regs): Delete declaration.
969 (max_label_num_after_reload): Delete declaration.
970 (find_dead_or_set_registers): Don't assume that spill regs are
971 dead at a CODE_LABEL.
972 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
974 * sched.c (sched_analyze_insn): Likewise.
975 (update_flow_info): Likewise.
976 * haifa-sched.c (sched_analyze_insn): Likewise.
977 (update_flow_info): Likewise.
978 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
979 * toplev.c (max_label_num_after_reload): Delete variable.
980 (rest_of_compilation): Don't set max_label_num_after_reload.
981 Call life_analysis after reload_cse_regs if optimizing.
982 * config/gmicro/gmicro.h: Delete comment referring to
983 PRESERVE_DEATH_INFO_REGNO_P.
984 * config/i386/i386.h: Likewise.
985 * config/m88k/m88k.h: Likewise.
986 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
987 * config/sh/sh.h: Likewise.
989 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
991 * loop.c (strength_reduce): Restore marking bct_p as
993 * rs6000.c (optimization_options): Change #ifdef HAIFA to
994 HAVE_decrement_and_branch_on_count.
995 (small_data_operand): Remove TARGET_ELF condition for marking
996 parameters ATTRIBUTE_UNUSED.
998 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
1000 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
1001 (SELECT_SECTION): Resync with svr4.h.
1003 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
1005 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
1008 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
1010 * c-pragma.c (handle_pragma_token): Test for null tree before
1011 dereferencing TREE_CODE.
1013 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1015 * config/c4x/c4x.c: Convert to use GEN_INT.
1016 (c4x_parallel_process): Rework to handle new repeat loop structure.
1018 * config/c4x/c4x.md: Convert to use GEN_INT.
1019 (rptb_end): Convert to use GE test. Replace uses with clobbers.
1020 (decrement_and_branch_on_count): Likewise.
1022 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
1023 loop.c has the desired functionality.
1024 (rc_reg_operand): New prototype.
1026 * config/c4x/t-c4x: Can now build all front ends.
1028 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
1030 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
1032 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
1034 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
1035 * config/t-rtems: Do not install assert.h -- use newlib's.
1037 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1039 * combine.c (combine_instructions): When finished, call init_recog.
1040 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
1042 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
1044 * toplev.c: If flag_syntax_only, don't open or write assembler file.
1046 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1048 * cppalloc.c (memory_full): Mark function prototype with
1051 * demangle.h (collect_exit): Likewise.
1053 * fix-header.c (v_fatal, fatal): Likewise.
1055 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
1058 * gcov.c (print_usage): Likewise.
1060 * genattr.c (fatal, fancy_abort): Likewise.
1062 * genattrtab.c (fatal, fancy_abort): Likewise.
1064 * gencodes.c (fatal, fancy_abort): Likewise.
1066 * genconfig.c (fatal, fancy_abort): Likewise.
1068 * genemit.c (fatal, fancy_abort): Likewise.
1070 * genextract.c (fatal, fancy_abort): Likewise.
1072 * genflags.c (fatal, fancy_abort): Likewise.
1074 * genopinit.c (fatal, fancy_abort): Likewise.
1076 * genoutput.c (fatal, fancy_abort): Likewise.
1078 * genpeep.c (fatal, fancy_abort): Likewise.
1080 * genrecog.c (fatal, fancy_abort): Likewise.
1082 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
1083 __sjpopnthrow, __throw): Likewise.
1085 * objc/objc-act.c (objc_fatal): Likewise.
1087 * protoize.c (usage, aux_info_corrupted,
1088 declare_source_confusing): Likewise.
1090 * rtl.c (dump_and_abort): Likewise.
1092 * rtl.h (sets_cc0_p): Likewise.
1094 * toplev.c (float_signal, pipe_closed): Likewise.
1096 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1098 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
1099 when generating the decision tree for the general case.
1101 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
1102 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
1104 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1106 * Makefile.in (sched.o): Depend on recog.h.
1108 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
1109 (unsigned) when comparing against one.
1110 (find_base_value): Likewise.
1111 (record_base_value): Cast variable `regno' to (unsigned) when
1112 comparing against one. Cast the result of REGNO() macro to
1113 (unsigned) when comparing against one.
1114 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
1116 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
1117 variable where an unsigned index is needed.
1119 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
1120 before comparing against one.
1122 * collect2.c: Add prototypes for functions `error', `fatal' and
1123 `fatal_perror'. Make these functions take variable arguments
1124 instead of faking it with a fixed number of args.
1125 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
1128 * combine.c (can_combine_p): Mark parameter `pred' with
1130 (find_split_point): Cast variable `src' to (unsigned
1131 HOST_WIDE_INT) when comparing against one.
1132 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
1133 (simplify_logical): Likewise.
1134 (force_to_mode): Cast result of INTVAL() macro to (unsigned
1135 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
1136 HOST_WIDE_INT) in shift.
1137 (simplify_and_const_int): Cast result of INTVAL() macro to
1138 `unsigned HOST_WIDE_INT' when comparing against one.
1139 (merge_outer_ops): Cast variable const0 to `unsigned
1140 HOST_WIDE_INT' when comparing against the result of
1141 GET_MODE_MASK() macro.
1142 (simplify_comparison): Likewise for variable `c0'. Cast variable
1143 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
1144 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
1145 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
1146 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
1147 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
1148 comparing against one.
1149 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
1151 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
1152 macro to `unsigned HOST_WIDE_INT' when comparing against one.
1153 (output_block_move): Cast `sizeof' expression to (int) when
1154 comparing against one.
1155 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
1157 (save_restore_insns): Cast `base_offset' to `long' to match format
1158 specifier in fprintf.
1160 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
1161 to `enum machine_mode'.
1163 * flow.c (life_analysis_1): Remove unused variable `insn'.
1165 * gcc.c (translate_options): Move variables `j' and `k' into the
1166 scope in which they are used. Change their types to `size_t'.
1167 (set_spec): Cast the argument of ctype macro to `unsigned char'.
1168 (read_specs): Likewise.
1169 (process_command): Cast `sizeof' to (int) when comparing against one.
1170 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
1171 (handle_braces): Cast both sides of `==' expression to `long' to
1172 ensure sign matching.
1173 (main): Cast variable `i' to `int' when comparing against one.
1175 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
1176 int to size_t. Cast variable `i' to size_t when comparing against
1179 * genattrtab.c (convert_set_attr_alternative): Remove unused
1180 parameter `insn_code'. All callers changed.
1181 (convert_set_attr): Likewise.
1183 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
1184 size_t when comparing against one. Likewise for variable `len'.
1186 * global.c (global_alloc): Cast variable `max_regno' to size_t
1187 when comparing against one. Likewise for variable `max_allocno'.
1189 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
1191 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
1192 `set' with ATTRIBUTE_UNUSED.
1193 (find_free_reg): Cast `sizeof' expression to (int) when comparing
1196 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
1197 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
1198 (get_condition): Cast variable `const_val' to `unsigned
1199 HOST_WIDE_INT' when comparing against one. Cast unsigned
1200 expression to HOST_WIDE_INT when comparing against one.
1201 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
1202 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
1203 `unsigned' when comparing against one.
1205 * protoize.c (is_id_char): Change type of parameter `ch' to
1207 (munge_compile_params): Cast argument of ctype macro to (const
1209 (process_aux_info_file): Cast variable `aux_info_size' to int when
1210 comparing against one.
1211 (forward_to_next_token_char): Cast argument of ctype macro to
1212 `const unsigned char'.
1213 (edit_formals_lists): Likewise.
1214 (find_rightmost_formals_list): Likewise.
1215 (add_local_decl): Likewise.
1216 (add_global_decls): Likewise.
1217 (edit_fn_definition): Likewise.
1218 (do_cleaning): Likewise.
1219 (scan_for_missed_items): Likewise.
1220 (edit_file): Cast variable `orig_size' to (int) when comparing
1222 (main): Cast argument of ctype macro to `const unsigned char'.
1224 * recog.c (const_int_operand): Mark parameter `mode' with
1227 * regclass.c (record_reg_classes): Change type of variable `c' to
1228 `unsigned char'. Cast `char' array index to `unsigned char'.
1230 * reload.c (push_secondary_reload): Cast argument to
1231 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
1233 * reload1.c (calculate_needs): Cast `char' array index to
1235 (set_label_offsets): Change type of variable `i' to unsigned int.
1236 Cast result of XVECLEN() macro to unsigned when comparing against
1238 (mark_not_eliminable): Change type of variable `i' to unsigned.
1239 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
1240 when comparing against one.
1241 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
1242 comparing against one.
1243 (choose_reload_regs): Hide unused label `fail'.
1244 (reload_cse_simplify_operands): Cast `char' array index to
1246 (reload_combine_note_store): Mark parameter `set' with
1247 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
1249 (reload_cse_move2add): Remove unused variable `src2'.
1251 * sched.c: Include recog.h.
1252 (sched_note_set): Remove unused parameter `b'. All callers
1254 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
1255 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
1256 when comparing against one.
1258 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
1259 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
1260 comparing against one.
1262 * unroll.c (precondition_loop_p): Remove unused parameter
1263 `loop_end'. All callers changed.
1265 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1267 * reload1.c (maybe_fix_stack_asms): New static function.
1270 * reload.h (compute_use_by_pseudos): Declare.
1272 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
1273 (something_needs_reloads): Delete variable.
1274 (finish_spills): New function.
1275 (compute_use_by_pseudos): New function.
1277 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
1278 Use the reload_insn_chain instead of walking the rtl directly.
1280 (reload): Allocate and free spilled_pseudos.
1281 Ensure that all calls of spill_hard_reg are followed by a call to
1283 Use the insns_need_reload list instead of something_needs_reloads
1284 to find out if reload_as_needed must be called.
1285 Clear unused_insn_chains at the end.
1287 (calculate_needs_all_insns): Lose FIRST parameter. All callers
1289 Delete code to keep track of current basic block.
1290 Walk reload_insn_chain instead of the rtl structure. Build the
1291 insns_need_reload chain.
1292 Remember which insns need reloading/elimination by setting the
1293 appropriate fields in struct insn_chain, not by putting modes on the
1296 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
1297 arg INSN. All callers changed.
1298 Delete declaration of struct needs.
1299 Don't set something_needs_reloads.
1300 Record insn needs in the CHAIN argument.
1302 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
1304 (reload_as_needed): Lose FIRST arg. All callers changed.
1305 Walk the reload_insn_chain instead of the rtx structure.
1306 Delete code to keep track of current basic block.
1307 Rename one of the NEXT variables to OLD_NEXT.
1309 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
1311 (choose_reload_regs): Likewise.
1313 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
1316 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
1317 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
1318 (hard_regs_live, hard_regs_need_restore): Delete variables.
1319 (n_regs_saved): Now static.
1320 (referenced_regs, this_insn_sets): New variables.
1322 (setup_save_areas): Restructure the code a bit.
1324 (restore_referenced_regs): Delete function.
1325 (mark_referenced_regs): New function, similar to the old
1326 restore_referenced_regs, but mark registers in referenced_regs.
1328 (clear_reg_live): Delete function.
1329 (mark_set_regs): Renamed from set_reg_live. All callers changed.
1330 Only mark registers in this_insn_sets.
1332 (save_call_clobbered_regs): Rework this function to walk the
1333 reload_insn_chain instead of using the list of instructions directly.
1334 Delete code to keep track of register lives, compute live regs on the
1335 fly from information in the chain.
1336 Instead of calling restore_referenced_regs, use mark_referenced_regs,
1337 then walk the set it computes and call insert_restore as appropriate.
1339 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
1341 Restructure the code a bit. Test hard_regs_saved instead of
1342 hard_regs_need_restore.
1343 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
1344 args. All callers changed.
1345 Restructure the code a bit. Use TO_SAVE to determine which regs to
1346 save instead of more complicated test.
1347 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
1349 Create a new insn_chain structure for the new insn and place it
1352 * rtl.texi: Update documentation to reflect that reload no longer
1353 puts modes on the insns.
1355 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1357 * function.c (purge_addressof_1): Force the first argument of a
1358 CALL insn to memory.
1360 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
1362 * rtl.h: Delete duplicate prototypes. Add some missing
1364 * rtlanal.c: (for_each_rtx): Formatting tweak.
1366 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1368 * real.c (emdnorm and etoasc): Disable round to even for c4x target
1369 to be compatible with TI compiler.
1371 * Makefile.in (USER_H): Add va-c4x.h to definition.
1373 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
1375 * function.c (purge_addressof_1): Fix typo in inequality: do
1376 bitfield optimization for equal mode sizes.
1377 * expmed.c (store_bit_field): Don't take subregs of subregs in
1378 the movstrict case. Tidy a potential problem in the multi-word case.
1379 (extract_bit_field): Likewise.
1381 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1383 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
1385 Compute max_uid_for_flow by calling get_max_uid after the scan.
1386 (find_basic_blocks_1): Don't emit NOPs here.
1388 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
1390 * alias.c (base_alias_check): Accept new args for the modes of the
1391 two references. Use them to determine if an AND can overlap. Update
1393 (memrefs_conflict_p): Assume sizes are aligned, and uses them
1394 to determine if an AND can overlap.
1396 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
1398 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
1399 check. Add comment to document problems with TARGET_SUN_FPA version
1401 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
1403 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1405 * Makefile.in (gencheck.o): Depend on gansidecl.h.
1407 * c-common.c (print_char_table): Add missing initializers.
1408 (scan_char_table): Likewise.
1409 (time_char_table): Likewise.
1411 * c-decl.c (c_decode_option): Mark parameter `argc' with
1413 (declare_parm_level): Mark parameter `definition_flag' with
1416 * c-lex.c (readescape): Use `(unsigned)1' in shift.
1417 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
1420 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
1422 (emit_call_1): Mark parameters `fndecl' and `funtype' with
1424 (expand_call): Cast result of MIN() to (unsigned int) when
1425 comparing against an unsigned value.
1427 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
1429 (make_definition): Remove unused parameter `op'. All callers
1431 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
1432 comparing against the result of pointer arithmetic.
1434 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
1435 when comparing against one.
1437 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
1438 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
1440 (output_die): Move variable `i' into the scope in which it is
1441 used. Change its type to `unsigned'.
1442 (output_die): Cast the result of `strlen' to (int) when passing it
1443 to ASM_OUTPUT_ASCII().
1444 (output_pubnames): Likewise.
1445 (output_line_info): Likewise.
1447 * emit-rtl.c (global_rtl): Add missing initializers.
1449 * explow.c (promote_mode): Mark parameter `for_call' with
1452 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
1453 `unsigned HOST_WIDE_INT' when comparing against one.
1454 (synth_mult): Change type of variable `cost' to int.
1455 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
1457 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
1458 when comparing against one.
1459 (get_inner_reference): Change variable `alignment' to unsigned.
1460 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
1461 int) when comparing against one.
1462 (expand_builtin_setjmp): Change type of variable `i' to size_t.
1464 * fold-const.c (div_and_round_double): Cast BASE to
1465 (HOST_WIDE_INT) when comparing against one.
1467 * gencheck.c: Include gansidecl.h.
1468 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
1470 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
1471 `tcode' with ATTRIBUTE_UNUSED.
1473 * real.c (edivm): Cast constant value to (unsigned long) in
1474 expression compared against an unsigned value.
1476 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
1477 comparing against one.
1478 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
1479 when comparing against one.
1481 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
1482 (unsigned int) when comparing against one. Likewise for
1484 (smallest_mode_for_size): Likewise.
1485 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
1486 (restore_storage_status): Likewise.
1488 * toplev.c (debug_args): Add missing initializer.
1489 (f_options): Spelling correction. Add missing initializers.
1490 (documented_lang_options): Likewise.
1491 (debug_end_source_file): Mark parameter `lineno' with
1494 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
1495 `decl' and `type' with ATTRIBUTE_UNUSED.
1497 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
1498 when comparing against one.
1499 (assemble_variable): Mark parameter `top_level' with
1501 (assemble_external_libcall): Mark parameter `fun' with
1503 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
1506 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
1508 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
1509 Replace use of r5 with use of r19.
1511 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
1513 * config/v850/v850.c (compute_register_save_size): Allow for the
1514 fact that helper functions save all registers, not just those used
1517 Replace constant 31 with macro LINK_POINTER_REGNUM.
1519 * config/v850/v850.md: Use 'indirect_operand' rather than
1520 'memory_operand' for bit test/set/clear patterns.
1522 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
1524 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
1525 * varasm.c (assemble_start_function et al): Don't call
1526 ASM_GLOBALIZE_LABEL for weak symbols.
1528 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
1530 * cse.c (equiv_constant): Check for NULL return from
1531 gen_lowpart_if_possible().
1533 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
1535 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
1537 * collect2.c (main): Pass -EL/-EB through to the compiler.
1539 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1541 * expr.c (push_block): Handle targets where the stack grows
1542 to higher addresses, but args grow to lower addresses and
1543 ACCUMULATE_OUTGOING_ARGS is not defined.
1545 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
1547 * config/v850/v850.c (print_operand): Extend meaning
1548 of 'c' operands to support .vtinherit.
1550 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1552 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
1553 Added ATTRIBUTE_UNUSED to unused function arguments.
1554 (rc_reg_operand): New predicate.
1555 (c4x_rptb_insert): New function.
1556 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
1557 (c4x_optimization_options): New function.
1559 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
1560 (decrement_and_branch_on_count): New pattern.
1561 (rptb_top): Modified pattern to work with BCT optimization.
1563 * config/c4x/c4x.h (RC_REG): New register class.
1564 (rc_reg_operand): Define prototype.
1565 (IS_RC_REG): New macro.
1566 (IS_RC_OR_PSEUDO_REG): New macro.
1567 (IS_RC_OR_PSEUDO_REGNO): New macro.
1568 (OPTIMIZATION_OPTIONS): Define.
1570 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
1572 * collect2.c (extract_init_priority): No priority is 65535.
1574 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1576 * Makefile.in (build_tooldir): new variable, same as old
1577 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
1578 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
1579 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
1581 * configure.in (gxx_include_dir): set default based on unlibsubdir
1582 * Makefile.in (tooldir): ditto
1583 (cccp.o, cpplib.o): use unlibsubdir implicitly through
1584 gxx_include_dir, includedir and tooldir
1585 (protoize.o, unprotoize.o): ditto
1587 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
1589 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
1591 * config/arm/thumb.c (thumb_override_options): Add warning about
1592 PIC code not being supported just yet.
1594 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
1596 * flow.c: Update comment.
1597 (notice_stack_pointer_modification): New static function.
1598 (record_volatile_insns): Use it.
1599 (mark_regs_live_at_end): Mark the stack pointer as alive
1600 at the end of the function if current_function_sp_is_unchanging
1602 (life_analysis_1): Set current_function_sp_is_unchanging.
1603 * function.c: Define it.
1604 (init_function_start): Initialize it.
1605 * output.h: Declare it.
1606 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
1607 the stack pointer as alive at the end of the function if
1608 current_function_sp_is_unchanging is set.
1609 * i386.c (ix86_epilogue): Optimize the restoring
1610 of the stack pointer.
1612 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
1614 * version.c: Bump for snapshot.
1616 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
1618 * c-pragma.c (handle_pragma_token): If passed a token instead
1619 of a tree, use that as the pack value.
1621 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
1623 * flow.c (find_basic_blocks_1): Fix prototype.
1625 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
1627 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
1628 (struct tree_decl): New fields no_check_memory_usage.
1629 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
1630 (init_attributes): Register it as a new attribute.
1631 (decl_attributes): Set flags on functions given that attribute.
1632 * c-decl.c (duplicate_decls): Merge new attribute.
1633 * expr.h (current_function_check_memory_usage): Declare new var.
1634 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
1635 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
1636 current_function_check_memory_usage.
1637 * function.h: Add field to struct function.
1638 * function.c (current_function_check_memory_usage): Define it.
1639 (push_function_context_to, pop_function_context_from): Save and
1641 (expand_function_start): Set it, based on global flag and function
1644 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
1645 check non-automatic variables, to permit detection of writes to
1646 read-only locations in embedded systems without memory management.
1647 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
1648 when emitting chkr_set_right_libfunc call, even if the argument is
1649 BLKmode or variable-sized; don't abort.
1651 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
1652 symbols in Pmode, not VOIDmode.
1654 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1656 * cppexp.c: When forcing unsigned comparisons, cast both sides
1659 * cpphash.h: Move static declaration of hashtab[]...
1660 * cpphash.c: ...here.
1662 * cpplib.c: Cast difference of two pointers to size_t before
1663 comparing it to size_t. Cast signed to unsigned
1664 before comparing to size_t. (FIXME: struct argdata should use
1665 unsigned buffer sizes.)
1666 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
1667 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
1668 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
1669 size_t before comparison.
1671 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
1673 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
1674 (find_basic_blocks_1): Similarly.
1675 * output.h (find_basic_blocks): Fix prototype.
1676 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
1677 find_basic_blocks anymore.
1679 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
1681 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
1682 (sbitmap_free, sbitmap_vector_free): New macros.
1683 * output.h (rtl_dump_file): Declare.
1685 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
1687 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
1689 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1691 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
1693 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
1694 (divide): Remove unused variable `tmp'.
1695 (si_to_float): Cast numeric constant to (SItype) before comparing
1698 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
1700 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
1701 * gcc.c (add_preprocessor_option): Correct typo when allocating
1702 memory, sizeof() argument had one too many `*'.
1703 (add_assembler_option): Likewise.
1704 (add_linker_option): Likewise.
1705 * gcov.c (output_data): Likewise.
1706 * local-alloc.c (memref_used_between_p): Likewise.
1707 (update_equiv_regs): Likewise.
1708 * loop.c (strength_reduce): Likewise.
1709 * reg-stack.c (record_asm_reg_life): Likewise.
1710 (subst_asm_stack_reg): Likewise.
1711 * reorg.c (dbr_schedule): Likewise.
1713 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1715 * flow.c (life_analysis_1): Break out some functions.
1716 (find_basic_blocks_1): Likewise. Also move some variables out and
1718 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
1719 new static var nonlocal_label_list with it.
1720 (active_eh_region, nested_eh_region, label_value_list,
1721 nonlocal_label_list): New static variables.
1722 (make_edges, delete_unreachable_blocks, delete_block): New static
1723 functions, broken out of find_basic_blocks_1.
1724 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
1725 noop_move_p): New static functions, broken out of life_analysis_1.
1727 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
1729 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
1730 Take extra care for op0 now possibly being a subreg.
1731 (extract_bit_field): Likewise.
1732 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
1733 the reg to memory if there is no equal sized integral mode.
1734 * stor-layout.c (int_mode_for_mode): New function.
1735 * machmode.h: Prototype it.
1737 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
1739 * global.c (build_insn_chain): Verify no real insns exist past the
1740 end of the last basic block, then exit the loop.
1742 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
1744 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
1746 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
1748 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
1750 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
1752 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
1754 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
1756 * flow.c (find_basic_blocks): Correctly determine when a call
1757 is within an exception region.
1759 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
1761 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
1763 * cpplib.h: Protect from multiple inclusions.
1764 * cpplib.c: Fix minor formatting problems.
1766 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
1768 * jump.c (jump_optimize): Revert accidental patch.
1770 * Makefile.in (cpplib.o): Use unlibsubdir.
1772 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
1774 * loop.c (get_condition): Allow combine when either compare is
1777 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
1779 * version.c: Bump for snapshot.
1781 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
1783 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
1784 (init_lex): Initialize ridpointers[RID_BYREF].
1785 * c-lex.h (enum rid): Add RID_BYREF.
1786 * c-parse.gperf: Add RID_BYREF as a type qualifier.
1787 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
1788 (encode_type_qualifiers): Similarly
1789 * c-gperf.h: Rebuilt.
1791 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
1793 * c-common.c (type_for_mode): Only return TItype nodes when
1794 HOST_BITS_PER_WIDE_INT is >= 64 bits.
1795 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
1796 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
1797 (init_decl_processing): Only create TItype nodes when
1798 HOST_BITS_PER_WIDE_INT is >= 64 bits.
1799 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
1800 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
1802 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1804 * stmt.c (n_occurrences): New static function.
1805 (expand_asm_operands): Verify that all constrains match in the
1806 number of alternatives.
1807 Verify that '+' or '=' are at the beginning of an output constraint.
1808 Don't allow '&' for input operands.
1809 Verify that '%' isn't written for the last operand.
1810 * reload.c (find_reloads): Abort if an asm is found with invalid
1811 constraints; all possible problems ought to be checked for earlier.
1813 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1815 * flags.h (flag_branch_on_count_reg): Always declare
1816 * toplev.c (flag_branch_on_count_reg): Likewise.
1817 * toplev.c: Fix typos.
1819 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
1822 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
1824 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
1826 (find_basic_blocks_1): Add a nop to the end of a basic block when
1827 a trailing call insn does not have abnormal control flow.
1828 * gcse.c (pre_transpout): New variable.
1829 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
1830 (compute_pre_transpout): Calculate it.
1831 (compute_pre_ppinout): Use it to eliminate impossible placements
1832 due to abnormal control flow through calls.
1833 (compute_pre_data): Call compute_pre_transpout.
1835 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1837 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
1839 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
1841 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
1842 and matching define_insns): Tack on a `use' of the table label, so
1843 flow analysis will recognize a tablejump.
1845 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
1847 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
1848 always end basic blocks for abnormal edge reasons.
1850 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
1852 * config/i386/i386.h: Remove definition of
1853 HANDLE_PRAGMA_PACK_PUSH_POP.
1855 * config/i386/go32.h: Add definition of
1856 HANDLE_PRAGMA_PACK_PUSH_POP.
1858 * config/i386/win32.h: Add definition of
1859 HANDLE_PRAGMA_PACK_PUSH_POP.
1861 * config/i386/cygwin32.h: Add definition of
1862 HANDLE_PRAGMA_PACK_PUSH_POP.
1864 * c-pragma.c (insert_pack_attributes): Do not insert
1865 attributes unless #pragma pack(push,<n>) is in effect.
1867 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
1869 * expr.c (emit_group_store): Handle a PARALLEL destination.
1871 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
1873 * gcse.c (pre_insert_insn): When a call ends a bb, insert
1874 the new insns before the argument regs are loaded.
1876 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1878 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
1879 (c-parse.gperf): Update comments describing invocation flags.
1880 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
1882 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
1884 * reload1.c (reload): Call free before clobbering the memory
1885 locations or constants pointers.
1887 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1889 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
1890 for efficiency by checking whether we need to modify the current
1891 stack permission at all.
1892 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
1893 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
1894 __enable_execute_stack libcall here too if
1895 TRANSFER_FROM_TRAMPOLINE is defined.
1896 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
1899 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
1901 * Makefile.in (DRIVER_DEFINES): Remove last change.
1903 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1905 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
1906 insns we're going to copy.
1907 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
1909 * loop.c (count_one_set): Add prototype.
1911 * caller-save.c (restore_referenced_regs): Lose mode argument.
1912 (insert_save): Lose mode argument.
1913 (insert_restore): Lose mode argument.
1914 (insert_one_insn): Lose mode argument.
1915 (save_call_clobbered_regs): Lose mode argument.
1916 (setup_save_areas): Take no argument and return void. All callers
1918 Don't verify validity of memory addresses.
1919 * reload.h (setup_save_ares): Adjust prototype.
1920 (save_call_clobbered_regs): Likewise.
1921 * reload1.c (delete_caller_save_insns): New function.
1922 (caller_save_spill_class): Delete variable.
1923 (caller_save_group_size): Delete variable.
1924 (reload): Call setup_save_areas and save_call_clobbered_regs
1925 in the main loop, before calling calculate_needs_all_insns.
1926 Don't call save_call_clobbered_regs after the loop.
1927 Call delete_caller_save_insns at the end of an iteration if
1929 Delete code to manage caller_save_spill_class.
1930 Emit the final note before setting reload_first_uid.
1931 Simplify test that determines whether reload_as_needed gets run.
1932 (calculate_needs): Delete code to manage caller_save_spill_class.
1934 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
1936 * collect2.c (main): Initialize ld_file_name.
1938 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
1940 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
1941 check for flag_function_sections.
1943 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1945 * cse.c (insert_regs): Fix bug in Sep 24 change.
1947 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1949 * flags.h (flag_dump_unnumbered): Declare.
1950 * toplev.c (flag_dump_unnumbered): Don't declare.
1951 * print-rtl.c (flags.h): Include.
1952 (print_rtl_single): Add return value.
1953 * rtl.h (print_rtl_single): Update declaration.
1954 * flow.c (flag_dump_unnumbered): Don't declare.
1955 (print_rtl_with_bb): Use return value of print_rtl_single.
1957 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1959 * loop.c (count_one_set): New static function, broken out of
1961 (count_loop_regs_set): Call it.
1962 * global.c (mark_reg_store): Handle clobbers here by not calling
1964 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
1965 is in fact a clobber.
1966 * integrate.c (process_reg_param): New function, broken out of
1967 expand_inline_function.
1968 (expand_inline_function): Call it.
1971 * i386.md (addsidi3_1): Delete unused variable temp.
1972 (addsidi3_2): Likewise.
1973 (clstrstrsi): Delete unused variable addr1.
1975 * rtl.h: Don't declare any functions also declared in recog.h.
1977 * Makefile.in (stupid.o): Update dependencies.
1978 (global.o): Likewise.
1980 * global.c: Include reload.h
1981 (reg_becomes_live): New function.
1982 (reg_dies): New function.
1983 (build_insn_chain): New function.
1984 (global_alloc): Call build_insn_chain before calling reload.
1986 * reload.h (struct needs): New structure definition.
1987 (struct insn_chain): Likewise.
1988 (reload_insn_chain): Declare variable.
1989 (new_insn_chain): Declare function.
1992 * reload1.c (reload_startobj): New variable.
1993 (reload_insn_chain): New variable.
1994 (unused_insn_chains): New variable.
1995 (new_insn_chain): New function.
1996 (init_reload): Initialize reload_startobj, not reload_firstobj.
1997 (reload): Initialize reload_firstobj.
1998 Before returning, free everything on the reload_obstack.
2000 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
2001 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
2002 current_chain): New variables.
2003 (reg_where_born): Delete variable.
2004 (REG_WHERE_BORN): New macro.
2005 (find_clobbered_regs): New function.
2006 (stupid_life_analysis): Don't allocate/free reg_where_born.
2007 Allocate and free reg_where_born_exact, reg_where_born_clobber,
2008 reg_where_dead_chain.
2009 Use REG_WHERE_BORN instead of reg_where_born.
2010 While processing the insns, build the reload_insn_chain with
2011 information about register lifetimes.
2012 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
2013 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
2015 Compute and information about birth and death of pseudo registers in
2016 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
2017 Delete code to set elements of reg_where_born.
2019 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2021 * tree.def (GOTO_EXPR): Modified documentation.
2022 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
2025 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
2027 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
2028 loop_final_value, loop_comparison_code): No longer static.
2029 (unroll_loop): Delete loop_start_value update.
2030 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
2031 loop_final_value, loop_comparison_code): Extern.
2032 (loop_start_value): Delete extern.
2033 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
2034 loop_comparison_value, loop_comparison_code): Delete.
2035 (loop_optimize): Remove initialization for deleted variables.
2036 (strength_reduce): Delete analyze_loop_iterations call. Only call
2037 insert_bct if flag_branch_count_on_reg set.
2038 (analyze_loop_iterations): Delete.
2039 (insert_bct): Remove iteration count calculation. Move checks for
2040 viable BCT optimization to here. Obtain iteration count from
2041 loop_iterations and correct for unrolling. Check for enough
2042 iteration to be beneficial. Comment out runtime iteration count
2044 (insert_bct): Print iteration count in dump file. Remove
2045 loop_var_mode and use word_mode directly.
2047 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
2048 * rs6000.c (rs6000_override_options): Use it.
2049 (optimization_options): Enable use of flag_branch_on_count_reg.
2050 * rs6000.md (define_function_unit): Describe 604e.
2052 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2054 * loop.c (move_movables): Corrected threshold calculation for
2055 moved_once registers.
2057 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2059 * loop.c (combine_givs_p): Fix test for identical givs.
2061 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
2063 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
2064 call abort if the function is already defined.
2066 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
2068 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
2069 truncation is not a no-op.
2071 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
2073 * version.c: Bump for snapshot.
2075 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
2077 * version.c: Bump for snapshot.
2079 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
2081 * expmed.c (expand_divmod): Don't widen for computing remainder
2082 if we seem to have a divmod pattern for needed mode.
2084 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2086 * cpplib.c (macroexpand): Correct off-by-one error in handling
2089 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
2091 * combine.c (expand_field_assignment): Don't do bitwise operations
2092 on MODE_FLOAT; pun to MODE_INT if possible.
2094 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
2095 scott snyder <snyder@d0sgif.fnal.gov>
2097 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
2098 linker. Recognize mangled names in quotes.
2100 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2102 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
2103 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
2104 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
2105 (lshrsi3_extend, lshrsi3_extend2): Ditto.
2107 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2109 * function.c (purge_addressof_1): If trying to take a sub-word
2110 integral piece of a floating point mode, put it on the stack.
2112 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
2114 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
2116 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
2118 * PROJECTS: Remove template friends.
2120 * collect2.c (sort_ids): Remove unused variable.
2122 * tm.texi (MATH_LIBRARY): Document.
2123 (NEED_MATH_LIBRARY): Remove.
2125 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
2126 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
2128 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
2130 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
2131 last_end to 0x7fffffff.
2133 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2135 * function.c (purge_addressof_1): Do not perform endianness
2136 corrections on bitpos, who we call will do it for us.
2138 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
2140 * h8300.c (WORD_REG_USED): Fix typo.
2141 (initial_offset): Use WORD_REG_USED.
2143 * h8300.c (handle_pragma): Fix typo.
2145 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2147 * caller-save.c (insert_save_restore): Break this function up
2148 into new functions insert_restore, insert_save and insert_one_insn.
2149 All callers changed.
2150 (insert_restore): New function, mostly broken out of
2151 insert_save_restore.
2152 (insert_save): Likewise.
2153 (insert_one_insn): Likewise.
2154 (restore_referenced_regs): New argument BLOCK. All callers changed.
2155 (save_call_clobbered_regs): Don't keep track of basic block boundaries
2156 in this function, do it in insert_one_insn instead.
2158 * reload1.c (reload): Break out some more pieces into separate
2160 (dump_needs): New function, broken out of reload.
2161 (set_initial_elim_offsets): Likewise.
2162 (init_elim_table): Likewise.
2163 (update_eliminables): Likewise.
2165 * global.c (global_alloc): Delete code to manage the scratch_list.
2166 * local-alloc.c (qty_scratch_rtx): Delete.
2167 (scratch_block): Delete.
2168 (scratch_list): Delete.
2169 (scratch_list_length): Delete.
2170 (scratch_index): Delete.
2171 (alloc_qty_for_scratch): Delete.
2172 (local-alloc): Update initialization of max_qty.
2173 Delete code to manage the scratch list.
2174 Delete code to allocate/initialize qty_scratch_rtx.
2175 (block_alloc): Don't allocate quantities for scratches.
2176 Delete code to manage the scratch list.
2177 * regs.h (scratch_list): Delete declaration.
2178 (scratch_block): Delete declaration.
2179 (scratch_list_length): Delete declaration.
2180 * reload1.c (reload): Delete code to manage the scratch list.
2181 (spill_hard_reg): Likewise.
2182 (mark_scratch_live): Delete.
2184 * recog.c (alter_subreg): Delete declaration.
2186 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
2188 * Makefile.in (cccp.o): Fix typo in last patch.
2190 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2192 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
2193 * config/sh/lib1funcs.asm (___set_fpscr): Add.
2195 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
2197 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
2198 NULL_RTX as an argument.
2200 * Makefile.in (unlibsubdir): Define.
2201 (DRIVER_DEFINES): Use unlibsubdir.
2202 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
2203 (stmp-fixinc): Similarly.
2205 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2207 * regmove.c (regmove_optimize): Add variable old_max_uid.
2208 At the end of the function, update basic_block_end.
2210 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2212 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
2213 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
2216 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
2218 * config/arm/arm.c: Improve interworking support.
2220 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2222 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
2223 copied from reload_out[r] .
2225 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
2227 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
2228 with more than three size ranges.
2230 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
2232 * rtl.c (mode_name): Add a null string at the end of the array.
2233 (mode_wider_mode): Change type to unsigned char.
2234 (mode_mask_array): New variable.
2235 (init_rtl): Update for mode_wider_mode type change.
2237 * rtl.h (mode_wider_mode): Change type to unsigned char.
2238 (mode_mask_array): Declare.
2239 (GET_MODE_MASK): Use mode_mask_array.
2241 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
2243 * calls.c (expand_call) : Encapsulate code into
2244 copy_blkmode_from_reg.
2245 * expr.c (copy_blkmode_from_reg): New function.
2246 * expr.h (copy_blkmode_from_reg): New function.
2247 * integrate.c (function_cannot_inline_p): We can inline
2249 (expand_inline_function): Use copy_blkmode_from_reg
2250 if needed. Avoid creating BLKmode REGs.
2251 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
2254 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
2256 * config/v850/v850.c: Add function prototypes.
2257 Add support for v850 special data areas.
2259 * config/v850/v850.h: Add support for v850 special data areas.
2261 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
2262 HANDLE_PRAGMA_PACK_PUSH_POP.
2263 (push_alignment): New function: Cache an alignment requested
2264 by a #pragma pack(push,<n>).
2265 (pop_alignment): New function: Pop an alignment from the
2267 (insert_pack_attributes): New function: Generate __packed__
2268 and __aligned__ attributes for new decls whilst a #pragma pack
2270 (add_weak): New function: Cache a #pragma weak directive.
2271 (handle_pragma_token): Document calling conventions. Add
2272 support for #pragma pack(push,<n>) and #pragma pack (pop).
2274 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
2275 are defined enable HANDLE_PRAGMA_PACK.
2276 Move 'struct weak_syms' here (from varasm.c).
2277 Add pragma states for push and pop pragmas.
2279 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
2282 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
2283 HANDLE_GENERIC_PRAGMAS.
2285 * varasm.c: Move definition of 'struct weak_syms' into
2287 (handle_pragma_weak): Deleted.
2289 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
2291 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
2293 * c-decl.c (start_function): Add invocation of
2294 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
2296 * tm.texi: Remove description of non-existant macro
2297 SET_DEFAULT_SECTION_NAME.
2299 (HANDLE_SYSV_PRAGMA): Document.
2300 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
2302 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
2304 * config.sub: Recognize i[34567]86-pc-udk as new target.
2305 * configure.in: Likewise.
2306 * config/i386/t-udk: New file.
2307 * config/i386/udk.h: New file.
2309 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
2311 * reorg.c (check_annul_list_true_false): Remove unused variables.
2312 (steal_delay_list_from_target): Add missing "used_annul" variable.
2313 (try_merge_delay_insns): Close out half formed comment.
2315 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2317 * cpplib.c (macroexpand): If arg->raw_before or
2318 arg->raw_after, remove any no-reexpansion escape at the
2319 beginning of the pasted token. Correct handling of whitespace
2320 markers and no-reexpand markers at the end if arg->raw_after.
2322 * toplev.c (documented_lang_options): Recognize -include,
2323 -imacros, -iwithprefix, -iwithprefixbefore.
2324 * cpplib.c (cpp_start_read): Process -imacros and -include
2325 switches at the same time and in command-line order, after
2326 initializing the dependency-output code. Emit properly nested
2327 #line directives for them. Emit a #line for the main file
2328 before processing these switches, and don't do it again
2331 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
2333 * function.c (purge_addressof_1): Use bitfield manipulation
2334 routines to handle mem mode < reg mode.
2336 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2338 * reorg.c (try_merge_delay_insns): Account for resources referenced
2339 in each instruction in INSN's delay list before trying to eliminate
2340 useless instructions. Similarly when looking at a trial insn's delay
2343 * reorg.c (check_annul_list_true_false): New function.
2344 (steal_delay_list_from_{target,fallthrough}): Call it and also
2345 refine tests for when we may annul if already filled a slot.
2346 (fill_slots_from_thread): Likewise.
2347 (delete_from_delay_slot): Return newly-created thread.
2348 (try_merge_delay_isns): Use its new return value.
2350 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
2352 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
2353 used to compute a giv or as some other non-counting use.
2355 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2357 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2358 * local-alloc.c (find_free_reg): Use it.
2359 * global.c (find_reg): Likewise.
2360 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
2362 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
2363 * caller-save.c (init_caller_save): Use it.
2364 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
2366 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2368 * configure.in: Add --enable-cpplib option which uses cpplib
2369 for cpp, but doesn't link cpplib into cc1. Make help text
2370 capitalization consistent.
2371 * configure: Rebuilt.
2373 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
2375 * function.c (gen_mem_addressof): If the address REG is
2376 REG_USERVAR_P make the new REG be so also.
2377 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
2378 in an attempt to clarify slightly.
2380 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
2382 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
2383 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
2385 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
2387 * toplev.c: Fix last patch.
2389 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
2391 * loop.c (get_condition): Fix typo in May 9 change.
2393 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2395 * invoke.texi (-fexceptions): Merge 2 different descriptions.
2397 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2399 * toplev.c (documented_lang_options): Spelling corrections.
2401 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2403 * configure.in: new flags --with-ld and --with-as, equivalent
2404 to setting LD and AS environment variables. Test whether
2405 specified arguments are GNU commands, and report them with
2406 checking messages. Use the specified AS for configure
2409 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
2411 * gcc.c (find_a_file): when looking for `as' and `ld', return
2412 the DEFAULT program if it exists
2413 * collect2.c (main): use DEFAULT_LINKER if it exists
2415 * gcc.c (find_a_file): the test for existence of a full
2416 pathname was reversed
2418 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
2420 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
2421 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
2423 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
2425 * tree.h (TYPE_BINFO): Document.
2427 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
2429 * i386-coff.h (dbxcoff.h): Added.
2431 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
2433 * toplev.c: fix bad patch around flag_data_sections.
2435 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
2437 * reload1.c (reload): Use reload_address_index_reg_class and
2438 reload_address_base_reg_class when setting
2439 caller_save_spill_class. (Patch generated by Jim Wilson:
2442 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
2444 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
2445 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
2446 * expr.c (store_field): Add alias_set parameter. Set the
2447 MEM_ALIAS_SET accordingly, if the target is a MEM.
2448 (expand_assignment): Use it.
2449 (store_constructor_field): Pass 0.
2450 (expand_expr): Likewise.
2452 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
2454 * flags.h: Add flag_data_sections.
2455 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
2456 (compile_file): Error if flag_data_sections not supported.
2457 * varasm.c (assemble_variable): Handle flag_data_sections.
2458 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
2459 * config/mips/elf.h: Likewise.
2460 * config/mips/elf64.h: Likewise.
2461 * invoke.texi: Describe -fdata-sections.
2463 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
2465 * invoke.texi (-ffloat-store): Clarify that this option
2466 does not affect intermediate results -- only variables.
2468 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
2470 * cpp.texi: Update for Fortran usage from Craig.
2472 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
2474 * rs6000.c (function_arg_boundary): Revert accidental change on
2477 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
2479 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
2480 (output_mi_thunk): Declare.
2482 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
2483 (output_function_profiler): Use r12 for temp, instead of r11 so
2484 that we preserve the static chain register.
2486 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
2488 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
2490 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2492 * sh.c (gen_shl_sext): Fix case 5.
2494 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2496 * reload1.c (reload_combine): Re-add line that got accidentally lost.
2498 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2500 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
2501 accessing variables until they are initialized via va_arg().
2503 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2505 * reload1.c (reload_combine): Initialize set before using.
2507 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
2509 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
2512 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
2514 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
2515 operand3 with mask before using it. Patch provided by Jim Wilson.
2517 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2519 * config/sparc/sparc.c (function_value): Perform the equivalent of
2520 PROMOTE_MODE for ARCH64.
2521 (eligible_for_epilogue_delay): Allow DImode operations in delay
2522 slot of a return for ARCH64.
2524 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2526 * sh.md (sqrtsf2): Fix mode of sqrt.
2528 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2530 * reload1.c (choose_reload_regs): Also try inheritance when
2531 reload_in is a stack slot of a pseudo, even if we already got a
2534 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2536 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
2537 (reload_cse_regs): New function body: call reload_cse_regs_1,
2538 reload_combine, reload_cse_move2add.
2539 When doing expensive_optimizations, call reload_cse_regs_1 a
2540 second time after reload_cse_move2add.
2541 (reload_combine, reload_combine_note_store): New functions.
2542 (reload_combine_note_use): New function.
2543 (reload_cse_move2add, move2add_note_store): New functions.
2545 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2547 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
2548 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
2550 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
2551 more than 3 such reloads.
2553 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
2554 RELOAD_FOR_X_ADDR_ADDR reload.
2556 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2558 * expr.c (store_constructor): When initializing a field that is smaller
2559 than a word, at the start of a word, try to widen it to a full word.
2561 * cse.c (cse_insn): When we are about to change a register,
2562 remove any invalid references to it.
2564 (remove_invalid_subreg_refs): New function.
2565 (mention_regs): Special treatment for SUBREGs.
2566 (insert_regs): Don't strip SUBREG for call to mention_regs.
2567 Check if reg_tick needs to be bumped up before that call.
2568 (lookup_as_function): Try to match known word_mode constants when
2569 looking for a norrower constant.
2570 (canon_hash): Special treatment for SUBREGs.
2572 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2574 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
2575 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
2576 defined, emit libcall to __enable_execute_stack. Also fix opcodes
2577 and offsets in actual stack trampoline code so they match the
2578 commentary and actually work.
2580 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2582 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
2584 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
2585 tmake_file. Set extra_parts to needed crt objects.
2586 * configure: Rebuilt.
2587 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
2588 (TARGET_DEFAULT): Set if default is v9 or ultra.
2589 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
2590 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
2591 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
2592 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
2593 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
2594 (TARGET_VERSION): Define.
2595 (MULTILIB_DEFAULT): Define.
2596 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
2597 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
2598 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
2600 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
2601 * config/sparc/sparc.c (sparc_override_options): If arch and
2602 pointer size disagree, emit diagnostic and fix it up. If
2603 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
2604 V8PLUS in 64-bit mode.
2605 * config/sparc/t-linux64: New file.
2606 * config/sparc/t-sol2-64: New file.
2607 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
2608 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
2609 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
2610 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
2611 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
2612 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
2614 (STARTFILE_SPEC): Set approriately based upon those.
2615 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
2616 disposition of DEFAULT_ARCH32_P.
2617 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
2618 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
2619 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
2620 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
2621 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
2623 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
2625 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
2627 * rtl.h (init_virtual_regs): New function.
2628 * emit-rtl.c (init_virtual_regs): Define.
2629 (insn_emit): Use it.
2630 * integrate.c (save_for_inline_copying): Likewise.
2632 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
2634 * config/arm/thumb.h: The following patches were made by Jim Wilson:
2635 (enum reg_class): Add NONARG_LO_REGS support.
2636 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
2637 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
2638 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
2639 completes. Re-enable HImode REG+OFFSET addresses.
2640 (LEGITIMIZE_RELOAD_ADDRESS): Define.
2642 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
2644 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
2646 * alpha.c (get_aligned_mem): Revert Sep 20 change.
2647 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
2648 (alpha_align_insns): Properly calculate initial offset wrt max_align.
2650 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
2652 * arm.c (find_barrier): Revert change of Apr 23. Handle table
2653 jumps as a single entity, taking into account the size of the
2656 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2658 * tree.def (SWITCH_EXPR): New tree node definition.
2660 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
2662 * version.c: Bump for snapshot.
2664 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
2666 * version.c: Bump for snapshot.
2668 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
2670 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
2673 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
2675 * Revert this patch.
2676 * reload.c (find_reloads): Do not replace a pseudo with
2677 (MEM (reg_equiv_addr)) in the initializing insn for the
2680 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
2682 * final.c (final_scan_insn): Disable tracking CC across branches.
2684 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2686 * expr.h (eh_rtime_match_libfunc): New extern declaration.
2687 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
2688 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
2689 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
2690 NULL. Only include <stdio.h> if inhibit_libc is not defined.
2692 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
2694 * toplev.c (rest_of_compilation): Skip compiling anything with
2695 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
2697 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
2699 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
2700 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
2701 use in_libcall_block.
2702 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
2703 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
2706 Mon Sep 21 14:02:23 1998
2708 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
2709 typo in no-fancy-math-387 description.
2711 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
2713 * version.c: Bump for snapshot.
2715 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
2717 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
2719 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
2721 * i386.h: (TARGET_SWITCHES) Add description fields for flags
2722 documented in install.texi.
2723 (TARGET_OPTIONS) Likewise.
2725 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
2727 * version.c: Bump for snapshot.
2729 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
2731 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
2732 * cccp.c (main): Likewise.
2734 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
2735 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
2738 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
2740 * Makefile.in (LIBS): Link in libiberty.a.
2741 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
2743 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
2745 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
2746 it to update bb boundaries. Update caller.
2747 * function.c (reposition_prologue_and_epilogue_notes): Update
2748 bb boundaries wrt the moved note.
2750 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
2752 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
2754 * configure: Regenerate.
2756 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
2758 * alpha.c (alpha_sr_alias_set): New variable.
2759 (override_options): Set it.
2760 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
2761 (mode_mask_operand): Fix signed-unsigned comparision warning.
2762 (alpha_expand_block_move): Likewise.
2763 (print_operand): Likewise.
2764 (get_aligned_mem): Use change_address.
2765 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
2766 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
2767 (alphaev4_next_nop, alphaev5_next_nop): New functions.
2768 (alpha_align_insns): Remade from old alphaev5_align_insns
2769 to handle multiple processors.
2770 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
2771 * output.h (label_to_alignment): Prototype.
2773 * tree.c (new_alias_set): New function.
2774 * tree.h (new_alias_set): Declare it.
2775 * c-common.c (c_get_alias_set): Use it.
2777 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
2779 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
2780 to an ABS expr, convert an unsigned input to signed.
2782 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
2784 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
2786 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2788 * configure.in: Add support for c4x targets.
2789 * configure: Rebuilt.
2791 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
2793 * combine.c (distribute_notes): If an insn is a cc0 user, only
2794 delete it if we can also delete the cc0 setter.
2796 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
2798 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
2799 (invert_truthvalue): Enable truthvalue inversion for
2800 floating-point operands if -ffast-math.
2802 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
2804 * configure.in: Disable collect2 for nextstep. Instead use
2806 * configure: Rebuilt.
2807 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
2808 (ENDFILE_SPEC): Define.
2809 (OBJECT_FORMAT_MACHO): Define.
2810 (EH_FRAME_SECTION_ASM_OP): Define.
2811 * crtstuff.c: Handle MACHO.
2813 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
2815 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
2817 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
2819 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
2820 (_fpadd_parts): Get sign right for 0.
2822 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2824 * ginclude/varargs.h: Add support for C4x target.
2825 * ginclude/stdargs.h: Likewise.
2827 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
2829 * alpha.c (alpha_return_addr): SET should be VOIDmode.
2830 (alpha_emit_set_long_const): Rewrite to be callable from reload
2832 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
2833 * alpha.md (movdi): Likewise.
2835 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
2837 * arm.c (add_constant): New parameter address_only, change caller.
2838 Set it non-zero if taking the address of an item in the pool.
2839 (arm_reorg): Handle cases where we need the address of an item in
2842 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
2844 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
2845 memory addresses that are not in standard canonical form.
2847 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
2849 * README.C4X: New file with information about the c4x ports.
2850 * ginclude/va-c4x.h: New file for c4x varargs support.
2851 * config/c4x: New directory with c4x port files.
2853 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
2855 * reload.c (find_reloads): Do not replace a pseudo with
2856 (MEM (reg_equiv_addr)) in the initializing insn for the
2859 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
2861 * toplev.c (rest_of_compilation): Set bct_p on second call to
2863 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
2865 (strength_reduce): Only call analyze_loop_iterations and
2866 insert_bct if bct_p set.
2867 (check_dbra_loop): Fix typo.
2868 (insert_bct): Use word_mode instead of SImode.
2869 (instrument_loop_bct): Likewise. Do not delete iteration count
2870 condition code generation insn. Initialize iteration count before
2872 * rtl.h (loop_optimize): Update prototype.
2874 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
2875 not doubleword aligned.
2877 * rs6000.c (optimization_options): New function.
2878 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
2879 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
2880 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
2881 first; cr1 can be used for FP record condition insns.
2883 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
2885 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
2888 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
2891 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
2893 (block_move_call): New function: Call a library routine to copy a
2895 (m32r_expand_block_move): New function: Expand a "movstrsi"
2896 pattern into a sequence of insns.
2897 (m32r_output_block_move): New function: Expand a
2898 "movstrsi_internal" pattern into a sequence of assembler opcodes.
2899 (m32r_block_immediate_operand): New function: Return true if the
2900 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
2902 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2904 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
2906 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
2908 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2910 * regmove.c (copy_src_to_dest): Check that modes match.
2912 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
2914 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
2916 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
2918 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
2919 narrower than FLOAT_REGS.
2921 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2923 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
2925 * Makefile.in (old_gxx_include_dir): removed
2927 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
2929 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
2932 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
2933 (sh_handle_pragma): Change function arguments to match new
2934 specification for HANDLE_PRAGMA.
2936 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2938 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
2940 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
2941 When generating output, initialize missing struct member to zero.
2943 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2945 * regmove.c (copy_src_to_dest): Don't copy if that requires
2946 (a) new register(s).
2948 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2950 * global.c (reg_allocno): Now static.
2951 * reload1.c (reg_allocno): Delete declaration.
2952 (order_regs_for_reload): Take no arguments. Don't treat regs
2953 allocated by global differently than those allocated by local-alloc.
2955 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
2957 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
2958 condition, fix format strings.
2959 (output_function_epilogue): Likewise.
2961 * m68k/m68k.c: Don't include <stdlib.h> directly.
2963 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
2965 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
2966 mem_first_set, mem_last_set; because 0 can be a CUID.
2967 (oprs_unchanged_p): Use new definition.
2968 (record_last_reg_set_info): Likewise.
2969 (record_last_mem_set_info): Likewise.
2970 (compute_hash_table): Likewise.
2972 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
2974 * rs6000.c (output_epilogue): Handle Chill.
2976 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
2977 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
2979 * combine.c (make_extraction): If no mode is specified for
2980 an operand of insv, extv, or extzv, default it to word_mode.
2981 (simplify_comparison): Similarly.
2982 * expmed.c (store_bit_field): Similarly.
2983 (extract_bit_field): Similarly.
2984 * function.c (fixup_var_regs_1): Similarly.
2985 * recog.c (validate_replace_rtx_1): Similarly.
2986 * mips.md (extv, extzv, insv expanders): Default modes for most
2987 operands. Handle TARGET_64BIT.
2988 (movdi_uld, movdi_usd): New patterns.
2990 * pa.c (emit_move_sequence): Do not replace a pseudo with its
2991 equivalent memory location unless we have been provided a scratch
2992 register. Similarly do not call find_replacement unless a
2993 scratch register has been provided.
2995 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2997 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
3000 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
3002 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
3003 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
3004 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
3005 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
3006 * c-decl.c (init_decl_processing): Update accordingly.
3007 * expr.c (expand_builtin): Likewise.
3009 * rtl.h (global_rtl): Add cfa entry.
3010 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
3011 (LAST_VIRTUAL_REGISTER): Update.
3012 * emit-rtl.c (global_rtl): Add cfa entry.
3013 (init_emit): Initialize it.
3014 * function.c (cfa_offset): New.
3015 (instantiate_virtual_regs): Initialize it.
3016 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
3017 (expand_function_end): Call expand_eh_return.
3018 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
3020 * except.c (current_function_eh_stub_label): Kill.
3021 (current_function_eh_old_stub_label): Likwise; update all references.
3022 (expand_builtin_set_return_addr_reg): Kill.
3023 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
3024 (expand_builtin_set_eh_regs): Kill.
3025 (eh_regs): Produce a third reg for the actual handler address.
3026 (eh_return_context, eh_return_stack_adjust): New.
3027 (eh_return_handler, eh_return_stub_label): New.
3028 (init_eh_for_function): Initialize them.
3029 (expand_builtin_eh_return, expand_eh_return): New.
3030 * except.h: Update prototypes.
3031 * flow.c (find_basic_blocks_1): Update references to the stub label.
3032 * function.h (struct function): Kill stub label elements.
3034 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
3035 register number is one that would be in the previous window.
3036 Provide a dummy definition for non-windowed targets.
3037 (get_reg_addr): New function.
3038 (get_reg, put_reg, copy_reg): Use it.
3039 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
3040 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
3042 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
3043 (alpha_init_expanders): Initialize it.
3044 (alpha_expand_epilogue): Use it.
3045 * alpha.h: Declare it.
3046 * alpha.md (eh_epilogue): New.
3048 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
3049 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
3051 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
3053 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
3056 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3058 * except.h (struct eh_entry): Add false_label field.
3059 (end_catch_handler): Add prototype.
3060 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
3061 (start_catch_handler): When using old style exceptions, issue
3062 runtime typematch code before continuing with the handler.
3063 (end_catch_handler): New function, generates label after handler
3064 if needed by older style exceptions.
3065 (expand_start_all_catch): No need to check for new style exceptions.
3066 (output_exception_table_entry): Only output the first handler label
3067 for old style exceptions.
3068 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
3069 mechanism into one function, if a runtime matcher is provided.
3071 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3073 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
3075 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
3077 * integrate.c (copy_decl_list): Fix typo.
3079 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3081 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
3084 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
3086 * version.c: Bump for snapshot.
3088 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
3090 * version.c: Bump for snapshot.
3092 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
3094 * version.c: Bump for snapshot.
3096 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3098 * invoke.texi (C Dialect Options): Put back missing @end itemize.
3100 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3102 * configure.in: remove usage of `!' to negate the result of a
3103 command; some common shells do not support it
3105 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3107 * configure.in: in sparc9-sol2 config, use 'if test' not
3109 * configure: Rebuilt.
3111 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
3113 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
3114 (CPP_CPU_DEFAULT_SPEC): Likewise.
3115 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
3116 for arch64 libfuncs.
3118 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
3121 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3123 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
3125 * collect2.c: Don't declare `sys_siglist' here.
3126 (my_strsignal): Prototype and define new function. Use it in
3127 place of `sys_siglist' hacks.
3129 * mips_tfile.c: Likewise.
3131 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
3132 (GCC_NEED_DECLARATIONS): Likewise.
3134 * system.h (strsignal): Prototype it, if necessary.
3135 (sys_siglist): Declare it, if necessary.
3137 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3139 * loop.c (move_movables): While removing insn sequences, preserve
3140 the next pointer of the most recently deleted insn when we skip
3143 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
3145 * objc/config-lang.in: Do not output the name of the selected
3146 thread file when building the front-end. The Makefile for the
3147 runtime library will do this.
3149 * objc/Make-lang.in: Do not build the runtime library or install
3150 the Objective C header files. The Makefile for the runtime
3151 library will do this.
3153 * objc/Makefile.in (all.indirect): Only build the front-end.
3154 (compiler): Rename to `frontend'.
3155 (obj-runtime): Remove target.
3156 (copy-headers): Likewise.
3157 (clean): No need to remove `libobjc.a' any longer.
3159 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
3161 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
3162 supported with -mcpu=xxx.
3164 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3166 * flow.c (mark_set_1): Recognize multi-register structure return
3167 values in CALL insns.
3168 (mark_used_regs): Likewise.
3169 (count_reg_sets_1): Likewise.
3170 (count_reg_references): Likewise.
3171 * rtlanal.c (note_stores): Likewise.
3172 (reg_overlap_mentioned_p): Likewise.
3173 * haifa-sched.c (check_live_1): Likewise.
3174 (update_live_1): Likewise.
3175 (sched_analyze_1): Likewise.
3176 (sched_note_set): Likewise.
3177 (birthing_insn_p): Likewise.
3178 (attach_deaths): Likewise.
3180 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
3183 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
3185 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
3187 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3189 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
3191 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3193 * configure.in: Add check for GAS subsection -1 support.
3194 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
3195 * configure config.in: Rebuilt.
3196 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
3197 SImode is subsection -1 works, else use DImode.
3198 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
3199 subsection -1 works.
3200 * config/sparc/sparc.c (sparc_output_addr_vec,
3201 sparc_output_addr_diff_vec): Use them if defined.
3203 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
3205 * tree.h (DECL_ORIGIN): New macro.
3206 * integrate.c (copy_and_set_decl_abstract_origin): New function.
3207 (copy_decl_list): Use it.
3208 (integrate_parm_decls): Likewise.
3209 (integrate_decl_tree): Likewise.
3210 * dwarf2out.c (decl_ultimate_origin): Simplify.
3211 * dwarfout.c (decl_ultimate_origin): Likewise.
3212 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
3213 (pushdecl): Likewise.
3215 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
3217 * config/rs6000/rs6000.c (output_epilog): Add Java support.
3219 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
3221 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
3223 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
3225 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
3226 empty or has a single entry.
3228 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
3229 before calling reg_to_stack.
3231 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
3233 * alpha.c (alphaev5_insn_pipe): Abort on default case.
3234 (alphaev5_next_group): Swallow CLOBBERs and USEs.
3236 * c-tree.h (warn_long_long): Declare it.
3238 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
3240 * emit-rtl.c (gen_lowpart_common): Disable optimization of
3241 initialized float-int union if the value is a NaN.
3243 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
3245 * c-lex.c (real_yylex): Don't warn about long long constants if
3246 we're allowing long long
3248 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3250 * except.h (current_function_eh_stub_label): Declare.
3251 (current_function_eh_old_stub_label): Declare.
3252 * function.h (struct function): New members eh_stub_label and
3254 * except.c (current_function_eh_stub_label): New variable.
3255 (current_function_eh_old_stub_label): New variable.
3256 (init_eh_for_function): Clear them.
3257 (save_eh_status): Save them.
3258 (restore_eh_status): Restore them.
3259 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
3260 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
3261 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
3262 make an edge from the block that contains it to the block starting
3263 with the label if this label is one of the eh stub labels.
3264 If eh stub labels exist, show they are reachable from the last block
3267 * reload1.c (reload): Break out several subroutines and make some
3269 (calculate_needs_all_insns): New function, broken out of reload.
3270 (calculate_needs): Likewise.
3271 (find_reload_regs): Likewise.
3272 (find_group): Likewise.
3273 (find_tworeg_group): Likewise.
3274 (something_needs_reloads): New global variable, formerly in reload.
3275 (something_needs_elimination): Likewise.
3276 (caller_save_spill_class): Likewise.
3277 (caller_save_group_size): Likewise.
3278 (max_needs): Likewise.
3279 (group_size): Likewise.
3280 (max_groups): Likewise.
3281 (max_nongroups): Likewise.
3282 (group_mode): Likewise.
3283 (max_needs_insn): Likewise.
3284 (max_groups_insn): Likewise.
3285 (max_nongroups_insn): Likewise.
3286 (failure): Likewise.
3288 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
3290 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
3292 * loop.c (load_mems): Copy rtx for output mem.
3294 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
3296 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
3297 mips1 or mips2 either.
3299 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
3301 * pa.c (pa_reorg): New marking scheme for jumps inside switch
3303 (pa_adjust_insn_length): Update to work with new marking scheme
3304 for jumps inside switch tables.
3305 * pa.md (switch_jump): Remove pattern.
3306 (jump): Handle jumps inside jump tables.
3308 * Makefile.in (profile.o): Depend on insn-config.h
3310 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
3312 * iris6.h (DWARF2_UNWIND_INFO): Undef.
3314 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3316 Add preliminary native sparcv9 Solaris support.
3317 * configure.in: Recognize sparv9-*-solaris2*
3318 * configure: rebuilt
3319 * config.sub: Recognize sparcv9 just like sparc64.
3320 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
3321 config/sparc/sol2-cn.asm: Macroize so it can be shared between
3322 32-bit and 64-bit Solaris systems.
3323 * config/sparc/t-sol2: Assemble those with cpp.
3324 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
3325 (*TF*_LIBCALL): If ARCH64 use V9 names.
3326 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
3328 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3330 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
3331 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
3333 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
3335 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
3336 to Pmode if CASE_VECTOR_MODE is something else.
3338 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
3340 * prefix.c (update_path): Correctly handle cases where PATH is
3341 a substring of the builtin prefix, but specifies a different
3344 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
3346 * expr.c: Corrected comment about what MOVE_RATIO does.
3347 * config/alpha/alpha.h: Ditto.
3348 * config/1750a/1750a.h: Ditto.
3349 * config/clipper/clipper.h: Ditto.
3350 * config/i386/i386.h: Ditto.
3352 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
3354 * configure.in (m68k-next-nextstep3*): Use collect2.
3355 Similarly for x86 NeXT configurations.
3356 * configure: Rebuilt.
3358 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
3360 * configure.in: Don't assume srcdir is .../gcc
3361 * configure: Rebuilt.
3363 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
3365 * global.c: Update comments.
3366 (global_alloc): Assign allocation-numbers
3367 even for registers allocated by local_alloc in case
3368 they are later spilled and retry_global_alloc is called.
3369 (mark_reg_store, mark_reg_clobber,
3370 mark_reg_conflicts, mark_reg_death): Always record a
3371 conflict with a pseudo register even if it has been
3372 assigned to a hard register.
3373 (dump_conflicts): Don't list pseudo registers already assigned to
3374 a hard register as needing to be allocated, but do list their
3376 * local-alloc.c: Update comment.
3378 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
3380 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
3381 * configure: Rebuilt.
3383 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
3385 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
3387 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
3388 for all targets that set -msoft-float.
3390 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3392 * toplev.c (print_switch_values): Make static to match prototype.
3394 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
3396 * configure.in: If we are unable to find the "gnatbind" program,
3397 then do not configure the ada subdir.
3398 * configure: Rebuilt.
3400 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
3402 * version.c: Bump for snapshot.
3404 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
3406 * version.c: Bump for snapshot.
3408 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3410 * Makefile.in (toplev.o): Depend on $(EXPR_H).
3411 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
3413 * gansidecl.h: Define ATTRIBUTE_NORETURN.
3415 * genattrtab.c: Have insn-attrtab.c include toplev.h.
3417 * genextract.c: Have insn-extract.c include toplev.h.
3419 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
3421 * toplev.c: Include expr.h.
3422 (really_sorry, fancy_abort): Remove prototypes.
3423 (set_target_switch): Add argument in prototype.
3424 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
3425 (v_really_sorry): Likewise.
3426 (print_version, print_single_switch, print_switch_values): Make
3427 static and add prototype arguments.
3428 (decl_printable_name): Add prototype arguments.
3429 (lang_expand_expr_t): New typedef.
3430 (lang_expand_expr): Declare as a lang_expand_expr_t.
3431 (incomplete_decl_finalize_hook): Add prototype argument.
3432 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
3433 (botch): Likewise for variable `s'.
3434 (rest_of_type_compilation): Mark variables `type' and `toplev'
3435 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
3436 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
3437 (display_help): Make variable `i' an `unsigned long'.
3438 (main): Remove unused parameter `envp'.
3439 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
3440 Cast -1 when comparing it with a `size_t'.
3442 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
3443 prototype with ATTRIBUTE_NORETURN.
3444 (fatal_insn_not_found, fatal_insn, really_sorry,
3445 push_float_handler, pop_float_handler): Add prototypes.
3446 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
3447 (do_abort, botch): Add prototypes.
3449 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
3451 * final.c (final): If a label is reached only from a single jump,
3452 call NOTICE_UPDATE_CC on the jump and its predecessor before
3453 emitting the insn after the label.
3455 * i386.h: Add AMD K6 support.
3456 Change TARGET_* macros to use table lookup.
3457 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
3458 (ADJUST_COST): Change definition to call function in i386.c.
3459 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
3460 * i386.c: Add AMD K6 support.
3461 Add constants for feature tests used by TARGET_* macros.
3462 (split_di): If before reload, call gen_lowpart and gen_highpart.
3463 (x86_adjust_cost): New function.
3464 (put_jump_code): New function.
3465 (print_operand): New codes 'D' and 'd'.
3466 * i386.md: New insn types. New insn attribute "memory".
3467 Redefine scheduling parameters to use new types and add AMD K6
3468 support. Explicitly set type of most insns.
3469 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
3470 Pro and K6 prefer movl $1,reg to incl reg.
3471 (adddi3, subdi3): Set cc_status.
3472 (DImode shift patterns): Change label counters from HOST_WIDE_INT
3473 to int; x86 can't have more than 2^31 DImode shifts per file.
3474 (setcc): Combine all setcc patterns. Allow writing memory.
3475 Combine all jump patterns using match_operator.
3476 (*bzero): Name pattern. Emit mutliple stos instructions when that
3477 is faster than rep stos.
3478 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
3481 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
3483 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
3486 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
3488 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
3489 not whatever we're generating now.
3491 * alpha.c (set_frame_related_p, FRP): New.
3492 (alpha_expand_prologue): Mark frame related insns.
3493 (alpha_expand_epilogue): Likewise, but with a null FRP.
3494 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
3495 * alpha.md (exception_receiver): New.
3496 * alpha/crtbegin.asm (.eh_frame): New beginning.
3497 (__do_frame_setup, __do_frame_takedown): New.
3498 * alpha/crtend.asm (.eh_frame): New ending.
3499 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
3500 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
3501 (ASM_FILE_START): Don't emit .file for dwarf2.
3503 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
3504 * rtl.c (reg_note_name): Likewise.
3505 * rtl.texi (REG_NOTES): Likewise.
3506 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
3509 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
3511 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
3512 * i386.md (movsf, movdf, movxf): Validate memory address returned
3513 from force_const_mem. Kill useless REG_EQUAL setting code.
3515 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
3517 * m68k.md (zero_extendsidi2): Fix typo.
3519 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
3521 * configure.in: Removed references to the removed file
3522 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
3523 * arm*-*-netbsd* and ns32k-*-netbsd*.
3524 * config/i386/xm-netbsd.h: Removed unnecessary file.
3525 * config/m68k/xm-netbsd.h: Likewise.
3526 * config/sparc/xm-netbsd.h: Likewise.
3527 * config/mips/xm-netbsd.h: Likewise.
3529 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
3531 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
3532 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
3534 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
3535 for exact section attributions.
3537 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
3539 * i386/crtdll.h (CPP_PREDEFINES): Define.
3541 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
3543 * m68k.md (5200 movqi): Do not allow byte sized memory references
3545 * m68k.c (output_move_qimode): Do not use byte sized operations on
3548 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
3549 explicit rules for building. Similarly for alloca, vfprintf,
3550 choose-temp and mkstemp, getopt, getopt1, and obstack.
3551 (INCLUDES): Add $(srcdir)/../include.
3552 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
3553 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
3555 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
3557 * gcc.c (do_spec_1): [case 'o'] Account for
3558 lang_specific_extra_outfiles.
3559 (main): Correctly clear all slots in outfiles for
3560 lang_specific_extra_outfiles. Set input_file_number before
3561 calling lang_specific_pre_link.
3563 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
3565 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
3567 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3569 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
3571 (sparc_output_deferred_case_vectors): If no work to do, return.
3572 Fix thinko in Sept 1 change.
3574 1998-09-03 SL Baur <steve@altair.xemacs.org>
3576 * Makefile.in: add semicolon in BISON definition for portability.
3578 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
3580 * config/nextstep.c (handle_pragma): Correct name of third
3583 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
3585 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
3586 * config/m32r/m32r.h: Make register 17 be fixed.
3587 * config/m32r/m32r.c: Use SImode for cc operations.
3589 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
3591 * invoke.texi (Warning Options): Add -Wnon-template-friend
3594 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
3596 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
3598 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
3600 * rs6000.md (movsf): Disable explicit secondary-reload-like
3601 functionality if TARGET_POWERPC64.
3602 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
3605 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
3607 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
3608 and term.h from fixinc.wrap.
3610 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3612 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
3613 safe to include both string.h and strings.h together.
3614 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
3615 which headers to search for function declarations. Continue to
3616 prefer string.h over strings.h when both are not acceptable.
3618 * acconfig.h (STRING_WITH_STRINGS): Add stub.
3620 * configure.in: Call GCC_HEADER_STRING.
3622 * system.h: Test STRING_WITH_STRINGS when deciding which headers
3623 to include. Continue to prefer string.h over strings.h when both
3626 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3628 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
3629 not assume top 32-bits of symbolic addresses are zero if
3632 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
3634 * ginclude/va-alpha.h: Protect entire second portion of the
3635 file against double inclusion.
3637 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
3639 Added support for the Boehm's garbage collector.
3640 * configure.in: Handle --enable-objc-gc.
3641 * configure: Rebuilt.
3642 * Makefile.in (CHECK_TARGETS): Add check-objc.
3643 (check-objc): New rule.
3644 * objc/Make-lang.in: Build a different Objective-C library that
3645 runs with the Boehm's collector.
3646 * objc/encoding.c (objc_round_acc_size_for_types): New function.
3647 * objc/encoding.c: Correctly compute the size of compound types in
3648 the presence of bitfields. Skip the variable name of the type if
3649 any. Added support for long long.
3650 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
3651 (_F_GCINVISIBLE): New mask.
3652 * objc/gc.c: New file. Compute the type memory mask associated with
3653 a class based on the runtime information.
3654 * objc/misc.c: Added the hooks that use the Boehm's collector
3655 allocation functions.
3656 * objc/objc-act.c (build_class_template): Generate a new class
3657 member (gc_object_type) to hold the class' type memory mask.
3658 (build_shared_structure_initializer): Initialize the new member to
3660 (encode_complete_bitfield): New function. Generate the new
3662 (encode_field_decl): Generate the new encoding only for the GNU
3664 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
3666 (class_get_gc_object_type): New function to mark a pointer instance
3667 variable as a weak pointer.
3668 * objc/objc-features.texi: New file.
3669 * objc/objc.h (gc_object_type): New class member.
3670 * objc/objects.c (class_create_instance): Create a typed memory
3671 object when compiled with Boehm's collector support.
3672 * objc/sendmsg.c (__objc_init_install_dtable): Call
3673 __objc_send_initialize instead of setting the initialize flag.
3674 (__objc_send_initialize): Call __objc_generate_gc_type_description
3675 to generate the class type memory mask. Rewrite the code that
3676 sends the +initialize so that it is called only once (bug report
3677 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
3678 * testsuite/objc: New testsuite for Objective-C type encoding.
3679 * testsuite/lib/objc-torture.exp: New file.
3680 * testsuite/lib/objc.exp: New file.
3682 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
3684 * jump.c (jump_optimize): In if/then/else transformations, add
3685 another call to modified_between_p for the jump insn.
3687 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
3689 * fix-header.c (symlink): Treat like readlink.
3691 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3693 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
3696 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
3698 * config/nextstep.h: Update HANDLE_PRAGMA macro.
3699 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
3700 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
3702 * config/nextstep.c (handle_pragma): Take three arguments, as per
3703 the new HANDLE_PRAGMA macro specification.
3704 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
3705 per the new HANDLE_PRAGMA macro specification.
3706 * config/i960/i960.c (process_pragma): Take three arguments, as
3707 per the new HANDLE_PRAGMA macro specification.
3709 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
3711 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
3712 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
3713 if unknown pragmas are encountered.
3714 (handle_sysv_pragma): Interpret return code from
3715 handle_pragma_token (). Return success/failure indication rather
3716 than next unprocessed character.
3717 (pragma_getc): New function: retrieves characters from the
3718 input stream. Defined when HANDLE_PRAGMA is enabled.
3719 (pragma_ungetc): New function: replaces characters back into the
3720 input stream. Defined when HANDLE_PRAGMA is enabled.
3722 * c-pragma.c (handle_pragma_token): Return success/failure status
3725 * c-pragma.h: Change prototype of handle_pragma_token().
3727 * varasm.c: (handle_pragma_weak): Only create this function if
3728 HANDLE_PRAGMA_WEAK is defined.
3730 * c-common,c (decl_attributes): If defined call the expression
3731 contained within the INSERT_ATTRIBUTES macro before adding
3732 attributes to a decl.
3734 * tm.texi (HANDLE_PRAGMA): Document the new verion of
3735 HANDLE_PRAGMA, which takes three arguments.
3736 (INSERT_ATTRIBUTES): Document this new macro.
3738 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
3739 new INSERT_ATTRIBUTES macro.
3741 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3743 * config/sparc/sparc.md (movdf): Only generate special RTL for
3744 LABEL_REFs when PIC.
3745 (move_label_di): Remove
3746 (movdi_pic_label_ref, movdi_high_pic_label_ref,
3747 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
3748 references when PIC.
3749 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
3750 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
3751 output an .xword for all 64-bit cases.
3753 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3755 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
3756 alignment, use FUNCTION_BOUNDARY instead.
3757 (sparc_output_deferred_case_vectors): Likewise.
3759 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3761 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
3762 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
3764 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
3766 * alpha/va_list.h: New file.
3767 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
3769 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
3771 * NEWS: Add SCO Openserver and Unixware 7 notes.
3775 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
3777 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
3778 (record_constant_1): Handle RANGE_EXPR.
3780 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
3782 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
3783 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
3784 and NOTE_INSN_RANGE_END specially.
3785 (reemit_notes): Likewise.
3787 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3789 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
3790 (ultrasparc_sched_init): Remove unneeded &.
3792 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3794 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
3795 for m68020-60, to prevent the use of fintrz.
3797 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
3799 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
3801 * Makefile.in: Likewise.
3802 * configure: Regenerated.
3804 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
3806 * configure.in (gxx_include_dir): Changed to
3807 '${prefix}/include/g++'-${libstdcxx_interface}.
3808 * configure: Rebuilt.
3810 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
3812 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
3814 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
3815 *sequences* *below* which scalar moves will be used.
3817 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
3819 * collect2.c (mktemp): Delete unused declaration.
3821 * config/xm-netbsd.h: Remove unnecessary file.
3822 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
3823 file anymore, it is not needed.
3825 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
3827 * convert.c (convert_to_integer): Issue an error on conversions to
3830 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
3832 * Makefile.in: Add lang_tree_files and gencheck.h.
3833 * configure.in: Generate them.
3834 * gencheck.c: Include gencheck.h.
3836 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3838 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
3839 movdi_lo_sum_pic and movdi_high_pic and make visible.
3840 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
3841 emit these when Pmode is not SImode.
3842 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
3844 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
3846 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
3847 .linkonce directive after the first time.
3849 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
3851 * m68k.md (beq0_di): Generate correct (and more efficient) code when
3852 the clobbered operand overlaps with an input.
3853 (bne0_di): Similarly.
3855 * Makefile.in (INSTALL): Remove "--no-header" argument.
3857 * NEWS: Various updates.
3859 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3861 * config/sparc/sparc.c (arith_operand, const64_operand,
3862 const64_high_operand, arith_double_4096_operand): Mark mode as
3864 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
3866 (sparc_emit_set_const64): Remove unused variable i.
3867 (sparc_splitdi_legitimate): Likewise for addr_part.
3868 (ultra_code_from_mask): Likewise for mask.
3869 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
3870 reverse return values so it matches usage and comments.
3871 (ultra_flush_pipeline): Likewise.
3872 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
3873 this_type, and allow loads and stores of differing FP modes as
3874 they do not create a conflict.
3875 (ultra_find_type): Initialize fpmode to SFmode, fix
3876 parenthesization thinkos in large conditional.
3877 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
3878 Init free_slot_mask after ultra_cur_hist is reset, not before.
3879 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
3880 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
3881 use ultra_flush_pipeline instead, then re-init group pointer.
3882 Fix statement with no effect. If no progress made in, and no
3883 instructions scheduled at all, advance to new pipeline cycle else
3884 we get into an endless loop.
3885 (ultrasparc_adjust_cost): Remove previous arg.
3886 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
3888 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
3890 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
3891 code. Use reg_overlap_mentioned_p to detect when source and
3892 destination overlap.
3893 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
3895 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
3897 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
3898 COMPARISON_VAL, into invariant_p.
3900 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3902 * regmove.c (regclass_compatible_p): New function.
3903 (regmove_optimize): Use it.
3905 Use NREGS parameter insted of calling max_reg_num.
3907 (fixup_match_1): Don't use code = MINUS when later tieing with
3908 a hard register is likely.
3910 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3912 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
3913 COMPARISON_VAL was normalized.
3915 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
3917 * loop.c (check_dbra_loop): The loop ending comparison value
3918 must be an invariant or we can not reverse the loop.
3920 * loop.c (scan_loop): Count down from max_reg_num - 1 to
3921 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
3923 (load_mems_and_recount_loop_regs_set): Likewise.
3925 * i386.c (print_operand): Remove obsolete 'c' docs.
3927 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
3929 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
3930 * frame.c (init_object_mutex): New function.
3931 (init_object_mutex_once): Likewise.
3932 (find_fde): Call it.
3933 (__register_frame_info): Likewise.
3934 (__register_frame_info_table): Likewise.
3935 (__deregister_frame_info): Likewise.
3937 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
3939 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
3941 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3943 * loop.c (check_dbra_loop): Enable code for reversal
3944 of some loops without a known constant loop end.
3946 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
3948 * haifa-sched.c (last_clock_var): New.
3949 (schedule_block): Initialize it.
3950 (schedule_insn): Use it to fill insn modes with issue information.
3952 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
3953 Tag trapb and next insn with TImode.
3954 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
3955 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
3956 Invoke alphaev5_align_insns as appropriate.
3957 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
3958 (MD_SCHED_VARIABLE_ISSUE): New.
3959 * alpha.md (attr type): Add multi.
3960 (define_asm_attributes): New.
3961 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
3962 (arg_home): Likewise.
3963 (fnop, unop, realign): New.
3965 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
3967 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
3968 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
3970 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
3971 (rs6000-ibm-aix4.[12]*): Likewise.
3972 * configure: Regnerate.
3974 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
3976 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
3977 already contains the return address.
3979 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
3981 * calls.c (expand_call): Use bitfield instructions to extract/deposit
3982 word sized hunks when loading unaligned args into registers.
3984 * haifa-sched.c (sched_analyze_insn): Only create scheduling
3985 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
3987 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
3989 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3991 * loop.c (check_dbra_loop): Add some code that would allow reversal
3992 of some loops without a known constant loop end if it were enabled.
3994 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
3996 * mips.md (lshrsi3_internal2+2): Fix type-o.
3998 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4000 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
4001 correctly with regards to stdio.h.
4003 * calls.c: Remove stdarg.h/varargs.h.
4006 * combine.c: Likewise.
4007 * cpperror.c: Likewise.
4008 * cpplib.c: Likewise.
4009 * cpplib.h: Likewise.
4010 * doprint.c: Likewise.
4011 * emit-rtl.c: Likewise.
4012 * final.c: Likewise.
4013 * fix-header.c: Likewise.
4015 * genattr.c: Likewise.
4016 * genattrtab.c: Likewise.
4017 * gencodes.c: Likewise.
4018 * genconfig.c: Likewise.
4019 * genemit.c: Likewise.
4020 * genextract.c: Likewise.
4021 * genflags.c: Likewise.
4022 * genopinit.c: Likewise.
4023 * genoutput.c: Likewise.
4024 * genpeep.c: Likewise.
4025 * genrecog.c: Likewise.
4026 * mips-tfile.c: Likewise.
4027 * prefix.c: Likewise.
4028 * protoize.c: Likewise.
4029 * regmove.c: Likewise.
4030 * toplev.c: Likewise.
4033 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4035 * config/sparc/sparc.c (sparc_override_options): If not
4036 TARGET_FPU, turn off TARGET_VIS.
4037 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
4038 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
4039 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
4040 (movdi_insn_sp64): Add VIS fzero alternative.
4041 (clear_sf, clear_df): New VIS patterns.
4042 (movsf, movdf expanders): Allow fp_zero_operand flat out when
4044 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
4046 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
4048 * loop.c (n_times_set, n_times_used, may_not_optimize,
4049 reg_single_usage): Convert to varrays. All uses changed.
4050 (insert_loop_mem): Return a value.
4051 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
4052 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
4055 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
4058 * configure.in: Do not set thread_file to "irix" since no such
4061 * sparc.md (float abs/neg splits): Check reload_completed before
4062 calling alter_subreg.
4064 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4066 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
4068 * config/sparc/sparc.h: Declare it.
4069 * config/sparc/sparc.md (float abs/neg splits): Use it.
4070 (all other splits): Handle SUBREGs properly where necessary.
4071 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
4073 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
4075 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
4076 an insn on the unfilled_slots_list that has no delay slots.
4077 (fill_eager_delay_slots): Similarly.
4079 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
4081 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
4082 as an ordinary operand.
4084 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
4086 * tree.c (valid_machine_attribute): Don't apply attributes to both
4089 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
4091 * reload.c (operands_match_p): Handle rtvecs.
4093 * i386.c (legitimate_pic_address_disp_p): New.
4094 (legitimate_address_p): Use it.
4095 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
4096 Handle constant pool symbols just like statics.
4097 (emit_pic_move): Use Pmode not SImode for clarity.
4098 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
4099 [UNSPEC]: New, handling what we killed above.
4100 [PLUS]: Detect and abort on invalid symbol arithmetic.
4101 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
4103 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
4105 * alias.c: Include output.h.
4106 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
4107 different if we're in a varargs function.
4108 * Makefile.in (alias.o): Depend on output.h
4110 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4112 * sh.h (GIV_SORT_CRITERION): Delete.
4114 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
4116 * regclass.c (regclass): Use xmalloc/free instead of alloca.
4117 * stupid.c (stupid_life_analysis): Ditto.
4118 * reload1.c (reload): Ditto.
4120 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4122 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
4123 arith_double_4096_operand, arith_double_add_operand): New
4125 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
4126 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
4127 them to transform add/sub 4096 into add/sub -4096.
4129 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4131 * loop.c (scan_loop): Allocate some slop to handle pseudos
4132 generated by move_movables.
4133 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
4136 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
4138 * tree.def (DECL_RESULT): Correct documentation.
4140 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4142 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
4143 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
4144 conflicts will all RELOAD_FOR_OUTPUT reloads.
4146 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
4147 loads the function result, substitute with a USE.
4149 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
4151 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
4152 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
4153 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
4154 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
4155 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
4156 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
4158 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
4159 'o' to 'm' for GPR variant constraints.
4161 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
4163 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
4165 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
4167 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
4168 when the source and destination overlap.
4170 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
4171 clash with global type.
4173 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
4175 * fixinc.irix: Add curses.h handling from fixinc.wrap.
4177 * c-common.c (combine_strings): Also set TREE_READONLY.
4178 Change warn_write_strings to flag_const_strings.
4179 * c-decl.c, c-tree.h: Likewise.
4181 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4183 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
4184 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
4185 sequence, use SET/IOR instead so CSE can see it.
4186 * config/sparc/sparc.md (movhi_const64_special,
4187 movsi_const64_special): New patterns necessitated by that change.
4188 (movhi_high): Remove.
4189 (movhi_lo_sum): Change to match an IOR.
4190 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
4191 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
4192 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
4193 (movdf splits): Allow when not V9 or when not ARCH64 and integer
4194 registers are involved.
4195 (snesi_zero_extend split): Remove reload_completed test.
4196 (unnamed plus and minus zero_extend sidi splits): Add it.
4198 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
4200 * extend.texi: Remove description of extension to explicit
4201 instantiation that is now endorsed by standard C++.
4203 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4205 * config/arc/arc.c (arc_initialize_pic): Remove.
4206 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
4207 nothing on any platform and is invoked by no-one, it does not even
4208 appear in the documentation.
4209 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
4210 * config/sparc/sparc.c (initialize_pic): Likewise.
4211 (find_addr_reg): Remove this as well, no longer referenced after
4214 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
4216 * recog.c (validate_replace_rtx_group): New function.
4217 * recog.h (validate_replace_rtx_group): Declare it.
4218 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
4219 the entire group of substitutions.
4221 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
4223 * loop.c (load_mems): Fix initializers.
4225 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4227 * config/sparc/sparc.md (TFmode splits): Handle destination
4228 registers being referenced in the address correctly.
4230 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
4231 TREE_UNSIGNED, when bitsize of type's mode is larger than
4232 HOST_BITS_PER_WIDE_INT.
4234 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4236 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
4237 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
4238 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
4240 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
4243 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
4245 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
4246 * h8300.h (TINY_DATA_NAME_P): Likewise.
4247 (STRIP_NAME_ENCODING): Handle '&'.
4249 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
4250 register (it could be accessed via an outer SUBREG).
4251 (REG_OK_FOR_BASE_P): Likewwise.
4252 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
4254 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
4257 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
4259 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4261 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
4262 must be offsettable so the splits can be made.
4264 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
4266 * config/i386/winnt.c: Include system.h, not stdio.h to get
4267 sys/param.h pulled in before rtl.h in case the system defines MIN
4270 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
4272 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
4274 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
4276 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
4278 * cpplib.c (cpp_define): Handle macros with parameters.
4280 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
4282 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
4283 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
4284 and DImode 64-bit. Use llong for minimal-toc SFmode and
4285 SYMBOL_REF / LABEL_REF 64-bit.
4286 (output_function_profiler): Use llong for profiler label and ld to
4287 load 64-bit label address.
4289 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
4291 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
4294 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
4296 * version.c: Bump for snapshot.
4298 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
4300 * version.c: Bump for snapshot.
4302 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
4304 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
4306 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
4308 * tm.texi (Misc): Fix typo "teh".
4310 * tm.texi (PIC): Fix typo "PPIC".
4312 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
4313 effect when -O2 and higher.
4314 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
4316 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
4318 * regclass.c: Changed register set documentation to be consistent
4321 * final.c (final_start_function) Removed redundant test for
4324 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
4326 * rtl.h (rtx_function): New type.
4327 (for_each_rtx): New function.
4328 * rtlanal.c (for_each_rtx): Define it.
4330 * recog.c (change_t): New type.
4331 (change_objects, change_old_codes, change_locs, change_olds):
4333 (changes): New variable.
4334 (validate_change): Dynamically allocate room for more changes, if
4335 necessary. Uses changes array instead of change_objects, etc.
4336 (apply_change_group): Use changes array instead of
4337 change_objects, etc.
4339 * loop.c (loop_mem_info): New type.
4340 (loop_mems): New variable.
4341 (loop_mems_idx): Likewise.
4342 (looop_mems_allocated): Likewise.
4343 (scan_loop): Remove nregs parameter.
4344 (next_insn_in_loop): New function.
4345 (load_mems_and_recount_loop_regs_set): Likewise.
4346 (load_mems): Likewise.
4347 (insert_loop_mem): Likewise.
4348 (replace_loop_mem): Likewise.
4349 (replace_label): Likewise.
4350 (INSN_IN_RANGE_P): New macro.
4351 (loop_optimize): Don't pass max_reg_num() to scan_loop.
4352 (scan_loop): Remove nregs parameter, compute it after any new
4353 registers are created by load_mems. Use INSN_IN_RANGE_P and
4354 next_insn_in_loop rather than expanding them inline. Call
4355 load_mems to load memory into pseudos, if appropriate.
4356 (prescan_loop): Figure out whether or not there are jumps from the
4357 loop to targets other than the label immediately following the
4358 loop. Call insert_loop_mem to notice all the MEMs used in the
4359 loop, if it could be safe to pull MEMs into REGs for the duration
4361 (strength_reduce): Use next_insn_in_loop. Tweak comments.
4363 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
4365 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
4367 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4369 * config/sparc/sparc.c (finalize_pic): Check for the correct
4370 nonlocal_goto_receiver UNSPEC number.
4371 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
4372 making note of this dependency existing in sparc.c
4373 (negtf2_notv9 split): Give NEG SFmode.
4374 (negsf2): Fix insn output string.
4376 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
4378 * c-common.c (decl_attributes): Issue an error if the argument
4379 to alias is not a string.
4381 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
4383 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
4384 pending memory flush list.
4386 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
4388 (try_combine): Allow combining insns with REG_LIBCALL notes.
4390 * expr.c (emit_block_move): Do not call memcpy as a libcall
4391 instead build up a CALL_EXPR and call it like any other
4393 (clear_storage): Similarly for memset.
4395 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
4398 * Makefile.in (cplus-dem.o): Provide explicit rules for building
4401 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
4402 and REG_LIVE_LENGTH as successful substitutions are made.
4404 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4406 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
4407 statement after end of loop label.
4409 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4411 * config/sparc/sparc.c (ultra_types_avail): New variable.
4412 (ultra_build_types_avail): New function to record mask of insn
4413 types in ready list at this cycle.
4414 (ultrasparc_sched_reorder): Call it.
4415 (ultra_find_type): Use it to quicken the search. Also simplif
4416 dependency check, don't use rtx_equal_p because we know exactly
4417 what we are looking for.
4419 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
4421 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
4422 for architecture v4.
4424 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4426 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
4428 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
4429 movdf_const_intreg and helper splits): New patterns to move float
4430 constants into integer registers.
4431 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
4434 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
4437 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
4439 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
4441 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
4442 a BASE_REGS register is needed as an intermediate when copying
4443 a symbolic value into any register class other than BASE_REGS.
4445 * expr.c (move_by_pieces): No longer static. Remove prototype.
4446 * rtl.h (move_by_pieces): Add extern prototype.
4447 * mips.c (expand_block_move): Handle aligned straight line copy by
4448 calling move_by_pieces.
4450 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
4453 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
4455 * stmt.c (expand_end_loop): Tidy. Allow unconditional
4456 jumps out of the loop to be treated as part of the exit test.
4458 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4459 Jeff Law <law@cygnus.com>
4461 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
4462 * cplus-dem.c: Delete.
4464 * Makefile.in (fold-const.o): depend on $(RTL_H).
4466 * fold-const.c: Include rtl.h to get the prototype for
4467 `set_identifier_local_value'.
4469 * loop.c (express_from_1): Remove unused variable `tmp'.
4470 (combine_givs): cast the first argument of bzero to char *.
4472 * toplev.c (display_help): Remove unused variable `looking_for_start'.
4474 * c-decl.c (init_decl_processing): Remove unneeded &.
4476 * alpha.h (alpha_initialize_trampoline): Provide prototype.
4478 * except.c (set_exception_lang_code, set_exception_version_code):
4479 Change parameter from `short' to `int' to avoid using a gcc
4482 * except.h (set_exception_lang_code, set_exception_version_code):
4483 Likewise for prototypes.
4485 * flow.c (count_reg_references): Remove unused variables `regno'
4488 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
4490 * prefix.c (translate_name): Cast the result of `alloca'.
4492 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
4494 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4496 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
4498 (valid_dbcc_comparison_p): Mark mode argument as unused.
4499 (symbolic_operand): Likewise.
4500 (legitimize_pic_address): Likewise.
4501 (const_uint32_operand): Likewise.
4502 (const_sint32_operand): Likewise.
4503 * sched.c [!INSN_SCHEDULING]: Define only dummy function
4504 schedule_insns and comment out rest of file.
4506 * m68k.c (output_move_simode_const): Use subl to move a zero into an
4508 (output_move_[hq]imode): Likewise.
4510 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
4512 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
4513 * invoke.texi: Corresponding changes.
4515 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
4517 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
4519 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4521 * config/sparc/sparc.c (ultra_code_from_mask,
4522 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
4523 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
4524 ultrasparc_sched_init, ultrasparc_variable_issue,
4525 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
4526 functions to describe UltraSPARC pipeline exactly to Haifa.
4527 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
4528 as there is nothing the scheduler can do about it. Indicate that
4529 REG_DEP_OUTPUT's collide. Fixup formatting.
4530 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
4531 divide costs on Ultra for DImode.
4532 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
4534 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
4535 ieuN and add call_no_delay_slot to type list.
4536 (cti function unit): New unit for branches on UltraSPARC.
4537 (subx/addx insns): Set type to misc.
4538 (sidi zero/sign extension insns on arch64): Set type to shift.
4539 (sign_extendhidi2_insn): Set type to sload.
4541 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
4543 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
4544 (output_epilog): Use if != 0 for offset.
4545 (rs6000_fatal_bad_address): Prepare for Intl.
4546 * rs6000.h (rs6000_fatal_bad_address): Declare.
4547 * rs6000.md (movsfcc, movdfcc): Use else if.
4548 (elf_high): Use {liu|lis}.
4549 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
4550 (movsi): Use rs6000_fatal_bad_address.
4552 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
4554 * reload.c (find_equiv_reg): Reject equivalences separated
4555 by a volatile instruction.
4557 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4559 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
4561 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
4563 * alpha.md (movsicc): Fix mode mismatch.
4565 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
4567 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
4569 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
4571 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4573 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
4574 write-only modifier from operand 1 constraint.
4576 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4578 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
4579 emitting a XOR of -1 at the end, emit a NOT instead for combine's
4581 (sparc_emit_set_const64): Likewise, also when computing trailing
4582 bits do not negate low_bits and make fast_int an int.
4584 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
4586 * loop.c (add_label_notes): Do not ignore references to labels
4587 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
4588 * gcse.c (add_label_notes): Similarly.
4590 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
4592 * m68k.md (adddi_dilshr32): One of the operands must be a register.
4593 (adddi_dishl32): Similarly.
4595 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
4597 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
4598 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
4599 * cse.c (cse_basic_block): Add parens to shut up warnings.
4601 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4603 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
4604 sparc_emit_set_const64_longway, const64_is_2insns,
4605 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
4606 in 64-bit constant formation.
4607 * config/sparc/sparc.md (snesi_zero_extend split): Generate
4608 rtl for addx not subx.
4609 (define_insn movdi_const64_special): Make available even when
4610 HOST_BITS_PER_WIDE_INT is not 64.
4611 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
4612 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
4613 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
4614 instances of operand 1 inside a QI subreg.
4615 (xordi3_sp64_dbl): Remove '%' constraint for op1.
4616 (one_cmpldi2_sp64): Fix output string.
4617 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
4619 (unnamed arch64 ashift DI): Truncate shift count if greater than
4622 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4624 * expr.c (store_expr): Don't optimize away load-store pair
4625 when either source or destination have a side effect.
4627 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
4629 * genrecog.c (add_to_sequence): Fatal error if the modes of the
4630 operands of SET are incompatible.
4632 * alpha.md: Fix max and min patterns so modes of SET operands match.
4634 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
4636 * configure.in: Avoid [[ by using test and changequote.
4637 * configure: Rebuild.
4639 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4641 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
4643 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
4644 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
4645 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
4646 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
4647 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
4648 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
4649 Fix mismatching modes in SET operands.
4650 (conditional move patterns): Fix formatting.
4651 (unnamed subx arch64 pattern): Remove duplicate insn.
4653 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4655 * config/sparc/sparc.c (const64_operand, const64_high_operand):
4656 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
4657 (input_operand): Fixup test for what we accept for constant
4659 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
4661 (safe_constDI): Remove.
4662 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
4663 gen_safe_XOR64): New functions.
4664 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
4665 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
4667 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
4668 available when HOST_BITS_PER_WIDE_INT is not 64.
4669 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
4670 move before movdi_insn_sp64 pattern.
4671 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
4672 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
4673 symbolic_operand as predicate for second operand.
4674 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
4675 expander): Give set VOIDmode.
4677 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
4679 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
4681 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
4683 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
4685 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
4687 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
4689 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
4691 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
4693 * install.texi: Various SCO OpenServer tweaks.
4695 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
4697 * reload1.c (eliminate_regs_in_insn): Handle another case when
4698 eliminating the frame pointer to the hard frame pointer. Add
4699 missing ep->to_rtx check to one existing case.
4701 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
4703 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
4705 * tree.h: De-conditionalize init_priority code.
4707 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
4708 * collect2.c (NM_FLAGS): Change from -p to -n.
4710 * configure.in: Turn on collect2 for mipstx39-elf.
4711 Handle use_collect2=no properly.
4713 * c-common.c: De-conditionalize init_priority code.
4714 * collect2.c (extract_init_priority, sort_ids): New fns.
4715 (main): Call sort_ids.
4716 Move sequence_number to file scope.
4718 * configure.in: Handle --enable-init-priority.
4719 * c-common.c (attrs): Add A_INIT_PRIORITY.
4720 (init_attributes, decl_attributes): Likewise.
4721 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
4722 * tree.c (get_file_function_name_long): Split out...
4723 (get_file_function_name): ...from here.
4725 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
4727 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
4730 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
4732 * toplev.c (display_help): Add braces to shut up warnings.
4733 * tree.c (simple_cst_equal): Likewise.
4735 * fold-const.c (non_lvalue): Don't deal with null pointer
4737 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
4739 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
4740 of any size to a pointer.
4742 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
4744 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
4746 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
4748 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
4749 which will be saved.
4750 * mn10300.md (prologue insn): Only save registers which need saving.
4751 (epilogue insn): Similarly.
4753 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
4756 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
4758 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
4759 VAR_DECL's in gp addressable sections.
4761 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
4763 * sparc.c: Change return <exp> to <exp>; return; in functions
4765 * sparc.md: Add empty semicolon statement after final label in
4768 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4770 * config/sparc/sparc.md (define_insn addx_extend): Rename to
4771 addx_extend_sp64, only allow when TARGET_ARCH64.
4772 (define_insn addx_extend_sp32 and split): Version that works when
4774 (define_insn subx_extend): Likewise.
4775 (define_split adddi3 and subdi3 with zero extension): Fixup and
4776 correct bugs when not TARGET_ARCH64.
4778 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
4780 * except.c (set_exception_lang_code, set_exception_version_code):
4781 Use prototype-style definition if __STDC__, to match declaration
4784 * genemit.c: Change FAIL and DONE macros not to use loops.
4786 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
4788 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
4789 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
4791 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
4793 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
4795 * README.g77: Update from Craig.
4797 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4799 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
4801 (safe_constDI sparc_emit_set_const64_quick1,
4802 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
4803 analyze_64bit_constant, const64_is_2insns,
4804 create_simple_focus_bits): Fix some bugs when compiled on real
4806 (function_arg_record_value_3, function_arg_record_value_2,
4807 function_arg_record_value): Add fully prototyped forward decls.
4808 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
4809 to cmpsi_insn and use on both 64 and 32 bit targets.
4810 (define_insn cmpsi_insn_sp64): Remove.
4811 (define_expand zero_extendsidi2): Allow for 32-bit target too.
4812 (define_insn zero_extendsidi2_insn): Rename to
4813 zero_extendsidi2_insn_sp64.
4814 (define_insn zero_extendsidi2_insn_sp32): New pattern and
4815 assosciated forced split for it.
4817 * config/sparc/sparc.c (const64_operand, const64_high_operand):
4819 * config/sparc/sparc.h: Declare them.
4820 (PREDICATE_CODES): Add them.
4821 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
4822 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
4824 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
4826 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
4827 in v9 case as the latter makes the Solaris assembler crash.
4829 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4831 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
4832 for TFmode when !v9. We require offsettable memory addresses.
4833 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
4834 DFmode register number conversions.
4835 * config/sparc/sparc.md (define_split DFmode moves): If register
4836 is a SUBREG do alter_subreg on it before using.
4837 (define_expand movtf): Fixup comment about alignment on v9.
4838 (define_split TFmode moves): Don't use gen_{high,low}part, create
4839 explicit SUBREGs instead.
4841 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
4843 * Makefile.in (mbchar.o): Depend on mbchar.c.
4845 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4846 Richard Henderson <rth@cygnus.com>
4848 Rewrite Sparc backend for better code generation and
4849 improved sparc64 support.
4850 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
4852 * config/sparc/sysv4.h: Likewise.
4853 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
4854 move_operand, v8plus_regcmp_op, emit_move_sequence,
4855 singlemove_string, doublemove_string, mem_aligned_8,
4856 output_move_double, output_move_quad, output_fp_move_double,
4857 move_quad_direction, output_fp_move_quad, output_scc_insn):
4859 (small_int_or_double): New predicate.
4860 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
4861 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
4862 old pic_{sethi,lo_sum}_si patterns.
4863 (mem_min_alignment): New generic function to replace
4864 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
4865 available and can test for arbitrary alignments. All callers
4867 (save_regs, restore_regs, build_big_number,
4868 output_function_prologue, output_cbranch, output_return,
4869 sparc_flat_save_restore, sparc_flat_output_function_prologue,
4870 sparc_flat_output_function_epilogue): Prettify
4872 (output_function_epilogue): Likewise and add code to output
4873 deferred case vectors.
4874 (output_v9branch): Likewise, add new arg INSN and use it to tack
4875 on branch prediction settings. All callers changed.
4876 (print_operand): Likewise and output %l44 for LO_SUMs when
4878 (sparc_splitdi_legitimate): New function to make sure DImode
4879 splits can be run properly when !arch64.
4880 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
4881 Reformat example code in comments.
4882 (set_extends): Remove UNSPEC/v8plus_clear_high case.
4883 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
4884 of deferred case vectors we need to output.
4885 (sparc_defer_case_vector): Record a case vector.
4886 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
4887 sparc_output_deferred_case_vectors): New functions to output them.
4888 (sparc_emit_set_const32): New function to form 32-bit constants in
4889 registers when that requires more than one instruction.
4890 (safe_constDI, sparc_emit_set_const64_quick1,
4891 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
4892 analyze_64bit_constant, const64_is_2insns,
4893 create_simple_focus_bits, sparc_emit_set_const64): New functions
4894 which do the same for 64-bit constants when arch64.
4895 (sparc_emit_set_symbolic_const64): New function to emit address
4896 loading for all code models on v9.
4897 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
4898 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
4899 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
4900 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
4901 inaccuracies in comments, add symbolic and text_segment operands
4902 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
4903 GENERAL_REGS in these cases as a temp REG is needed to load these
4904 addresses into a register properly.
4905 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
4907 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
4908 quads are guarenteed to have 16-byte alignment.
4909 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
4910 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
4911 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
4912 deferred case vector implementation.
4913 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
4914 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
4915 Generate "internal label - label" instead of "label - 1b".
4916 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
4917 (PREDICATE_CODES): Remove sparc_operand, move_operand,
4918 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
4920 (doublemove_string, output_block_move, output_fp_move_double,
4921 output_fp_move_quad, output_move_double, output_move_quad,
4922 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
4923 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
4924 (sparc_emit_set_const32, sparc_emit_set_const64,
4925 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
4926 mem_min_alignment, small_int_or_double): Add externs.
4927 * config/sparc/sparc.md: Document the many uses of UNSPEC and
4928 UNSPEC_VOLATILE in this backend.
4929 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
4930 unary to types which execute in it.
4931 (define_function_unit ieu_shift): Rename to ieu0.
4932 (define_function_unit ieu1): New, executes compare, call, and
4933 uncond_branch type insns.
4934 (define_function_units for type fdivs, fdivd, fsqrt): These
4935 execute in the fpu multiply unit not the adder on UltraSparc.
4936 (define_expand cmpdi): Disallow TARGET_V8PLUS.
4937 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
4938 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
4939 allows the arith_double_operand predicate and rHI constraint when
4941 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
4942 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
4943 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
4944 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
4945 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
4946 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
4947 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
4948 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
4949 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
4950 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
4951 sign_extendqihi2_insn, sign_extendqisi2_insn,
4952 sign_extendqidi2_insn, sign_extendhidi2_insn,
4953 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
4954 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
4955 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
4956 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
4957 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
4958 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
4959 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
4960 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
4961 smulsi3_highpart_v8plus, unnamed subreg mult,
4962 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
4963 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
4964 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
4965 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
4966 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
4967 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
4968 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
4969 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
4970 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
4971 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
4972 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
4973 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
4974 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
4975 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
4976 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
4977 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
4978 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
4979 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
4980 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
4981 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
4982 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
4983 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
4984 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
4985 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
4986 call_address_untyped_struct_value_sp32,
4987 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
4988 call_value_symbolic_sp32, call_value_address_sp64,
4989 call_value_symbolic_sp64, branch_sp32, branch_sp64,
4990 flush_register_windows, goto_handler_and_restore,
4991 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
4992 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
4993 return_addsi, return_di, return_adddi, return_sf, all call+jump
4994 peepholes, trap, unnamed trap insns): Prettify output strings.
4995 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
4996 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
4997 Likewise and force + implement splits for integer cases.
4998 (define_insn return_sf_no_fpu): Likewise and allow to match when
4999 no-fpu because of our subreg SFmode splits.
5000 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
5001 zero_extendqidi2_insn, zero_extendhidi2_insn,
5002 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
5003 input_operand for second operand.
5004 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
5005 reg_or_0_operand for operand 2 so new splits can use it.
5006 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
5007 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
5009 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
5010 CONST_DOUBLEs for operand 2.
5011 (define_insn move_label_di): Likewise and label distance
5012 optimization because it no longer works with new deferred case
5013 vector scheme. To be revisited.
5014 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
5015 and allow reg_or_0_operand and J constraint for second operand.
5016 (define_insn jump): Set branch predict taken on V9.
5017 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
5018 new deferred case vector scheme.
5019 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
5020 (define_insn negdi2_sp32): Force + implement splits.
5021 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
5022 one_cmplsi2_not_liveg0 respectively, and create expander of original
5023 names which emit special rtl for TARGET_LIVE_G0.
5024 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
5025 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
5026 gen_compare_reg, FAIL instead.
5027 (define_insn sgtu, sleu): Likewise and check gen_s*() return
5028 values when trying to reverse condition codes, if they FAIL then
5030 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
5031 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
5032 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
5033 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
5034 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
5035 set output string to # to indicate they are mandatory splits.
5036 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
5037 pic_sethi_di, move_pic_label_si): Remove.
5038 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
5039 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
5041 (define_expand movsi_pic_label_ref, define_insn
5042 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
5043 expander and insns to handle PIC label references and deferred
5045 (define_insn get_pc_via_rdpc): Comment out as it is no longer
5047 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
5048 Rewrite to not use emit_move_sequence, make use of new constant
5049 formation code, and new splits for all multi-insn cases.
5050 (define_insn movqi_insn): Remove sethi case, it can never happen.
5051 Use reg_or_zero_operand instead of const0_rtx explicit test,
5052 use input_operand instead of move_operand for source, and use
5053 general_operand now for dest.
5054 (define_insn movhi_insn): Similar but leave sethi case.
5055 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
5056 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
5057 movhi_lo_sum respectively, prettify output string.
5058 (define_insn movsi_zero_liveg0): New pattern to put zero into a
5059 register when needed on TARGET_LIVE_G0.
5060 (define_insn movsi_insn): Use general_operand and input_operand
5061 for dest and src respectively. Simplify applicability test.
5062 Prettify output strings, and add clr alternative for J
5064 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
5065 deprecated std and reg-reg DI moves): Remove and...
5066 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
5067 implementation which uses forced splits for all non-single insn
5069 (define_split DI move cases on !arch64): New splits to handle all
5070 situations of 64-bit double register DImode on 32bit, and
5071 unaligned registers and memory addresses for all subtargets.
5072 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
5074 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
5075 input_operand for dest and src respectively, prettify output
5077 (define_insn movdf_insn, movdf_no_e_insn, store_df,
5078 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
5080 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
5081 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
5082 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
5083 movtf_no_e_insn_sp64) Replace with new
5084 implementation which uses forced splits for all non-single insn
5086 (define_split DF move cases): New splits in similar vein to DI
5088 (define_insn sethi_di_medlow, sethi_di_medium_pic,
5089 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
5090 movdi_sp64_insn): Remove old v9 code model and constant loading
5092 (define_insn pic_lo_sum_di, pic_sethi_di,
5093 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
5094 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
5095 embmedany_sethi, embmedany_losum, embmedany_brsum,
5096 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
5097 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
5098 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
5099 scheme, using unspecs, secondary reloads, and one to one sparc
5100 insn to rtl insn mapping for better scheduling and code gen.
5101 (define_expand reload_indi, reload_outdi): Reload helpers for
5102 MEDANY and EMBMEDANY symbol address loading cases which require a
5104 (define_expand movsicc): Remove v8plus_regcmp cases.
5105 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
5106 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
5107 cmp_diqi_trunc_set): New patterns used by some of the new scc
5109 (define_insn xordi3_sp64_dbl): New pattern used for constant
5110 formation when crossing from 32-bit targets.
5111 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
5113 (define_insn addx, subx): Make visible and prettify.
5114 (define_insn adddi3_insn_sp32): Likewise and force split.
5115 (define_insn addx_extend, subx_extend, unnamed): New patterns for
5116 64bit scc split usage.
5117 (define_insn unnamed plusDI zero_extend, unnamed minusDI
5118 zero_extend, subdi3): Force and implement splits.
5120 * final.c (final_scan_insn): Don't output labels if target
5121 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
5124 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
5125 don't forget to walk inside SEQUENCESs too as these are what the
5126 delay slot scheduler will create.
5128 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
5130 * alpha.md (extxl+1,+2): New patterns to work around
5133 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
5135 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
5136 caused bad assembly code to be generated.
5138 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
5140 * netbsd.h: Fix typo.
5142 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
5144 * config.sub: Fix typo.
5146 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
5148 * invoke.texi (Environment Variables): Typo: Change "ascpects"
5150 (Running Protoize): Typo: Change "ther" into "other".
5152 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
5154 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
5155 * m68k/netbsd.h: Likewise.
5156 * ns32k/netbsd.h: Likewise.
5157 * sparc/netbsd.h: Likewise.
5159 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
5161 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
5162 * ginclude/va-clipper.h (va_list): Likewise.
5164 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
5166 * rs6000.c (rs6000_override_options): If big endian and -Os, use
5167 load/store multiple instructions unless user overrides.
5169 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
5171 * ns32k/netbsd.h: Fix typo.
5173 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
5175 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
5176 labels with .debugsym if no parallel insns.
5178 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
5180 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
5181 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
5183 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
5185 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
5186 (AR_FOR_TARGET): Define.
5188 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
5190 * dyn-string.h: New file.
5191 * dyn-string.c: Likewise.
5192 * Makefile.in (OBJS): Add dyn-string.o.
5193 (dwarf2out.o): Add dyn-string.h dependency.
5194 (dyn-string.o): List dependencies.
5195 * dwarf2out.c: Include dyn-string.h.
5196 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
5197 (addr_const_to_string): Take a dyn_string_t, not a char* as a
5198 prototype. Use dyn_string_append rather than strcat, throughout.
5199 (addr_to_string): Use dyn_string_t.
5201 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
5203 Function entry/exit profiling instrumentation:
5204 * expr.h (profile_function_entry_libfunc,
5205 profile_function_exit_libfunc): Declare new variables.
5206 * optabs.c: Define them here.
5207 (init_optabs): Initialize them.
5208 * tree.h (struct tree_decl): New flag
5209 no_instrument_function_entry_exit.
5210 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
5211 * c-decl.c (duplicate_decls): Merge it.
5212 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
5213 (init_attributes): Use it for "no_instrument_function".
5214 (decl_attributes): Handle it, for functions that have not yet been
5215 compiled. Set decl flag.
5216 * flags.h (flag_instrument_function_entry_exit): Declare new
5218 * toplev.c (flag_instrument_function_entry_exit): Define it here.
5219 (f_options): New option "instrument-functions".
5220 * function.h (struct function): New field instrument_entry_exit.
5221 * function.c (current_function_instrument_entry_exit): New
5223 (push_function_context_to, pop_function_context_from): Save and
5225 (expand_function_start): Set current_ variable, maybe emit return
5226 label and entry profile call.
5227 (expand_function_end): Maybe emit exit profile call.
5229 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
5231 * i386.md (movqi): When optimizing a load of (const_int 1) into a
5232 NON_QI_REG_P, pretend the register is SImode.
5234 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
5236 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
5237 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
5238 manufacturer id for ns32k.
5239 * configure: Regenerated.
5240 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
5241 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
5242 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
5243 * config/m68k/netbsd.h: Same.
5244 * config/ns32k/netbsd.h: Same.
5245 * config/sparc/netbsd.h: Same.
5247 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
5249 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
5250 or UNROLL_COMPLETELY loop that starts with a jump to its
5253 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
5255 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
5256 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
5257 (print_operand, case 'B'): Don't fall through.
5258 (print_operand, case 'S'): Correct mask begin/end computation.
5259 Use HOST_BITS_PER_WIDE_INT.
5260 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
5261 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
5262 * rs6000/aix41.h (CPP_PREDEFINES): Same.
5263 * rs6000/aix43.h (CPP_PREDEFINES): Same.
5265 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
5267 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
5268 constraint from second alternative.
5270 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
5272 * configure.in: Fix --without/--disable cases for local-prefix,
5273 gxx-include-dir and checking.
5275 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5277 * configure.in (enable_haifa): Set by default for sparc64 too.
5280 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
5282 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
5283 * i386/winnt.c (associated_type): New fn.
5284 (i386_pe_valid_type_attribute_p): New fn.
5285 (i386_pe_check_vtable_importexport): Remove.
5286 (i386_pe_dllexport_p): Use associated_type.
5287 (i386_pe_dllimport_p): Likewise.
5289 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
5290 * i386.c (i386_valid_type_attribute_p): Also accept
5291 attributes for METHOD_TYPEs.
5293 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
5295 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
5297 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
5299 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
5301 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
5302 them from generating a new base name for each occurence of
5305 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
5307 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
5309 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
5313 * cplus-dem.c (type_kind_t): New type.
5314 (demangle_template_value_parm): Add type_kind_t parameter. Rely
5315 on this paramter, rather than demangling the type again.
5316 (demangle_integral_value): Pass tk_integral.
5317 (demangle_template_: Pass the value returned from do_type.
5318 (do_type): Return a type_kind_t. Pass tk_integral to
5319 demangle_template_value_parm for array bounds.
5320 (demangle_fund_type): Likewise.
5322 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
5324 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
5327 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
5329 * pa.c (move_operand): Accept CONSTANT_P_RTX.
5331 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
5333 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
5335 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
5338 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
5340 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
5341 (DEBUGGER_ARG_OFFSET): Likewise.
5343 * mn10300.md (movsf): Remove last change. Not needed.
5345 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
5347 * c-lex.c (yylex): Fix boundary conditions in character literal and
5348 string literal loops.
5350 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
5352 * longlong.h (count_leading_zeros): Sparclite scan instruction was
5353 being invoked incorrectly.
5355 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
5356 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
5358 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
5359 * configure.in: Added i[34567]86-*-win32
5360 * config.sub: Ditto.
5361 * configure: Rebuilt.
5363 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
5365 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
5366 the frame pointer and compiling PIC code and reload has not completed.
5368 * i386.c (output_to_reg): Add code to emulate non-popping DImode
5371 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
5373 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
5375 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5377 * Makefile.in (install-info): Only try to update the info
5378 directory file if it exists in the first place.
5380 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
5382 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
5384 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
5386 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
5387 CONST_DOUBLE source.
5389 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
5391 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
5392 strings as the insertion of USER_LABEL_PREFIX.
5393 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
5395 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
5398 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
5400 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
5401 already defined type.
5403 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
5405 * expr.c (check_max_integer_computation_mode): Allow conversions
5406 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
5407 (expand_expr): Likewise.
5409 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5411 * expr.c (expand_expr): Expand RETURN_EXPR.
5413 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
5415 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
5417 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
5419 * dwarf2out.c (output_aranges): Call stripattributes
5420 for TEXT_SECTION references.
5421 (output_line_info): Likewise.
5423 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5425 * profile.c (branch_prob): Call allocate_reg_info after outputting
5426 profile rtl in instrument_arcs.
5428 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
5430 * fixinc.irix (math.h): Install wrapper instead of copying.
5432 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5434 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
5435 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
5436 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
5437 lang_flag_0. Added documentation in the flag table.
5439 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
5441 * cccp.c (do_include): Fix vax c style include handling.
5443 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5445 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
5447 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
5449 * fold-const.c (non_lvalue): Don't deal with null pointer
5451 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
5453 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
5455 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
5456 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
5457 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
5458 (u_short_cint_operand): Same.
5459 (reg_or_cint_operand): Same.
5460 (logical_operand): Same.
5461 (input_operand): Same.
5462 (reg_or_short_operand): Use u_short_cint_operand.
5464 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
5466 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
5467 but keep the insns and splits. Adjust so when the ultimate destination
5468 is memory, use cvtql.
5470 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
5472 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
5474 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
5476 * gcc.c (do_spec): Call "error" not "warning".
5478 * configure.in: Fix minor problems with gas feature detection code.
5479 * configure: Rebuilt.
5481 * gcc.c (do_spec): Issue a warning for '%[]' usage.
5484 * gcc.c: Delete %[spec] support.
5485 (do_spec_1, case '('): Likewise.
5486 (do_spec_1, case '['): Call error.
5488 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
5490 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
5491 (CPP_SUBTARGET_SPEC): Default to empty string.
5492 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
5493 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
5494 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
5495 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
5497 * alpha/linux.h (CPP_PREDEFINES): Tidy.
5498 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
5499 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
5500 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
5501 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
5502 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
5503 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
5504 * alpha/vxworks.h: Likewise.
5506 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
5508 * mips.md (reload_outsi): Added missing REGNO call.
5509 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
5511 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
5512 another match_operator and compare the codes.
5514 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
5516 * MIPS multiply pattern fixes:
5517 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5518 Add union classes for HI, LO, or HILO plus general registers.
5519 (GENERATE_MADD): Deleted.
5520 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
5521 Add TARGET_MAD to condition.
5522 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
5523 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
5524 "*d" for accumulator, to give preference to LO initially but not
5527 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
5529 * configure.in (enable_c_mbchar): New configure option.
5530 (extra_cpp_objs): Always available now.
5532 * cexp.y (mbchar.h): #include it.
5533 (yylex): Handle Multibyte characters in character literals.
5535 * cccp.c (mbchar.h): #include it.
5536 (main): Set character set based on LANG environment variable.
5537 (rescan): Handle multibyte characters in comments.
5538 (skip_if_group): See above.
5539 (validate_else): See above.
5540 (skip_to_end_of_comment): See above.
5541 (macarg1): See above.
5542 (discard_comments): See above.
5543 (rescan): Handle multibyte characters in string and character literals.
5544 (collect_expansion): See above.
5545 (skip_quoted_string): See above.
5546 (macroexpand): See above.
5547 (macarg1): See above.
5548 (discard_comments): See above.
5549 (change_newlines): See above.
5551 * c-lex.c (mbchar.h): #include it.
5552 (GET_ENVIRONMENT): New macro.
5553 (init_lex): Set character set based on LANG environment variable.
5554 (yylex): Handle multibyte characters in character literals.
5555 (yylex): Handle multibyte characters in string literals.
5557 * Makefile.in (mbchar.o): New target.
5558 (cccp$(exeext)): @extra_cpp_objs@ is always available.
5559 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
5561 * mbchar.[ch]: New files for multibyte character handling.
5563 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5565 * jump.c (jump_optimize): When simplifying noop moves and
5566 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
5567 the PUSHes to rewrite in second loop as we did in the first.
5569 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5571 * cplus-dem.c (demangle_nested_args): Make function definition
5572 static to match the prototype.
5574 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
5576 * alloca.c: Respect USE_C_ALLOCA.
5577 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
5578 * gengenrtl.c (xmalloc): Likewise.
5580 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
5582 * loop.h (struct induction): Add no_const_addval.
5583 * loop.c (the_movables, reg_address_cost): New variables.
5584 (init_loop): Init reg_address_cost.
5585 (loop_optimize): Call end_alias_analysis.
5586 (scan_loop): Init the_movables.
5587 (record_giv): Init induction->no_const_addval.
5588 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
5589 [REG]: Rearrange loop search test to catch more cases.
5590 (general_induction_var): Return success not benefit; take an extra
5591 argument for that. Change all callers.
5592 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
5593 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
5594 [default]: Search the_movables for additional combinations.
5595 (sge_plus_constant, sge_plus): New functions.
5596 (express_from_1): New function.
5597 (express_from): Always define. Rewrite using express_from_1.
5598 (combine_givs_p): Handle more cases. Ignore address cost.
5599 (cmp_combine_givs_stats): New function.
5600 (combine_givs_used_once, combine_givs_benefit_from): New functions.
5601 (combine_givs): Rewrite to do best-fit combination.
5603 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
5604 (fold): Do a complete (A*C)+(B*C) association check.
5606 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
5608 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
5610 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
5612 * mn10300.c (MODES_TIEABLE_P): Fix typo.
5614 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
5616 * tree.c (valid_machine_attribute): Only create a new type variant if
5617 there is a decl to use it.
5619 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
5621 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
5624 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
5626 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
5629 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
5631 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
5632 Simplify tests for clearing an address register.
5633 (expand_prologue): Corresponding changes.
5635 * mn10300.md (movXX patterns): Make sure the destination is an
5636 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
5637 (logical patterns): Split into expanders + patterns
5638 (zero and sign extension patterns): Similarly.
5639 (shift patterns): Similarly.
5641 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
5643 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
5644 for the sequence, recording base values.
5646 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
5648 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
5650 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
5652 * gcc.c: Remove ANSI-C ism from --help code.
5654 * toplev.c: Support --help with USE_CPPLIB.
5656 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
5658 * configure.in: Rework gas feature code to work with symlink based
5661 * extend.texi: Clarify some issues related to local variables
5662 assigned to explicit registers.
5664 * mn10300.md (mulsi): Turn into expander + pattern.
5666 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
5669 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
5671 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
5673 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
5675 * version.c: Bump again to distinguish mainline tree from the
5678 See ChangeLog.0 for earlier changes.
5681 add-log-time-format: current-time-string