1 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3 * tree.c (append_random_chars): New fn.
4 (get_file_function_name_long): Use it.
6 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
8 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
9 (LIBCPP_OBJS): New. Add cppulp.o.
10 (cppmain, fix-header): Depend on and use libcpp.a.
11 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
12 of the individual object files.
13 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
16 * cccp.c (user_label_prefix): New.
17 (main): Set it off -f*leading-underscore.
18 (special_symbol): Use it.
19 * cpplib.c (special_symbol): Likewise.
20 (cpp_handle_option): Handle -f*leading-underscore.
23 * output.h (user_label_prefix): Declare it.
24 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
25 * toplev.c (f_options, main): Handle -f*leading-underscore.
27 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
28 referencing USER_LABEL_PREFIX directly.
29 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
30 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
31 * final.c (asm_fprintf): Use user_label_prefix instead.
32 * arm/thumb.c (thumb_print_operand): Likewise.
34 * gcc.c (default_compilers): Pass -f*leading-underscore on to
35 cpp wherever appropriate.
37 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
39 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
40 specific compiler switches.
42 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
44 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
47 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
49 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
50 structure which has exactly the members provided by EXTRA_SPECS.
51 Xmalloc() the real `extra_specs', and initialize it from this
52 intermediate structure.
54 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
56 * mips.h (EXTRA_SPECS): Likewise.
58 * sparc.h (EXTRA_SPECS): Likewise.
60 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
62 * function.c (purge_addressof_1): Instead of aborting when a
63 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
64 work just put the ADDRESSOF on stack. Otherwise remember all such
65 successfull replacements, so that exactly the same replacements
66 can be made on the REG_NOTEs. Remove the special case for CALL
68 (purge_addressof_replacements): New variable.
69 (purge_addressof): Clear it at end.
71 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
73 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
74 if pending_types is non-zero.
75 (dwarfout_finish): Verify pending_types is zero before finishing.
77 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
79 * expr.c (convert_move): Use shifts to perform the move if a
80 suitable extend pattern cannot be found. Code written by
81 Richard Henderson <rth@cygnus.com>.
83 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
85 * regclass.c (renumber, regno_allocated): New static variables, moved
86 out of allocate_reg_info.
87 (allocate_reg_info): Move these two variables outside the function.
88 Move code to free memory into new function free_reg_info.
89 (free_reg_info): New function, broken out of allocate_reg_info.
90 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
91 * rtl.h (allocate_reg_info): Don't declare.
92 (free_reg_info): Declare.
94 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
96 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
98 * toplev.c (compile_file): Temporarily revert last change.
100 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
102 * c-typeck.c (convert_for_assignment): Parenthesize.
104 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
106 * reload1.c (delete_output_reload): Avoid ambigous else.
108 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
110 * toplev.c (compile_file): Call allocate_reg_info to free register
112 * rtl.h (allocate_reg_info): Declare.
114 * PROJECTS: Remove entry for local spilling.
116 * final.c (cleanup_subreg_operands): New function.
117 (final_scan_insn): Use it.
118 (alter_subreg): Clear the "used" field when we turn a SUBREG into
120 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
121 operands when reload has finished.
122 * reload.h (cleanup_subreg_operands): Declare..
123 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
124 reload. Handled in reload itself.
126 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
128 * reload1.c (verify_initial_offsets): New function.
129 (reload): Call it after reload_as_needed. Also verify that the frame
130 size stays constant during reload_as_needed.
131 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
133 * reload.h (struct insn_chain): Add need_operand_change element.
134 * reload1.c (new_insn_chain): Clear it.
135 (calculate_needs_all_insns): Set it; don't overload need_reload.
136 (reload_as_needed): Use it.
138 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
139 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
140 and reload_address_index_reg_class.
141 (find_reloads_address_1): Likewise.
142 * reload.h (reload_address_base_reg_class,
143 reload_address_index_reg_class): Don't declare.
144 * reload1.c (reg_old_renumber, pseudo_previous_regs,
145 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
146 (used_spill_regs): Now static.
147 (reload_address_base_reg_class, reload_address_index_reg_class,
148 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
149 basic_block_needs, max_needs, group_size, group_mode, max_groups,
150 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
153 (init_reload): Delete code to compute base/index reg classes.
154 (reload): Delete variable J.
155 Delete code to manage basic_block_needs.
156 Don't compute regs_explicitly_used.
157 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
158 pseudo_previous_regs.
159 Initialize bad_spill_regs_global.
160 Don't call order_regs_for_reload here.
161 Don't initialize spill_reg_order and n_spills.
162 Don't forbid explicitly used regs to be used for spill regs.
163 Change main loop to infinite loop, with explicit break statements.
164 Make SOMETHING_CHANGED variable local to that loop.
165 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
166 max_groups_insn, max_nongroups_insn, group_size, group_mode.
167 Make sure spilled_speudos is cleared before calling spill_hard_reg or
169 Don't call dump_needs.
170 Delete code to reset potential_reload_regs.
171 Delete code to terminate loop conditional on the global needs variables
172 showing no further needs.
173 (calculate_needs_all_insns): Return void. All callers changed.
174 Initialize somehing_needs_elimination here, not in reload.
175 Delete avoid_return_reg kludge.
176 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
178 Initialize the group_mode and group_size elements of the arg CHAIN.
179 Delete code to manage basic_block_needs.
180 Operate on elements of CHAIN instead of global variables.
181 Delete avoid_return_reg kludge.
182 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
184 Operate on elements of CHAIN instead of global variables.
185 Delete special SMALL_REGISTER_CLASSES code.
186 Delete spill_failure code; now in new_spill_reg.
187 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
189 Operate on elements of CHAIN instead of global variables.
190 (maybe_mark_pseudo_spilled): New static function.
191 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
193 Operate on elements of CHAIN instead of global variables.
194 Call order_regs_for_reload here, not in reload.
195 Initialize spill_reg_order and n_spills.
196 Simplify test whether an asm insn is involved.
197 Delete spill_failure code; now in new_spill_reg.
198 Call maybe_mark_pseudo_spilled for everything marked as live in
199 CHAIN. Merge CHAIN's used_spill_regs into the global variable
201 (dump_needs): Take CHAIN arg. No longer static, to prevent the
202 compiler from optimizing this function (now unused) away.
203 Operate on elements of CHAIN instead of global variables.
204 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
206 Operate on elements of CHAIN instead of global variables.
207 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
208 take CHAIN arg. All callers changed.
209 Operate on elements of CHAIN instead of global variables.
210 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
211 CHAIN, NONGROUP args. Return void. All callers changed.
212 Verify caller isn't trying to spill a pseudo.
213 Simplify test for illegal reg, just use bad_spill_regs.
214 Generate better error messages.
215 Operate on elements of CHAIN instead of global variables.
216 Mark spilled register in CHAIN's used_spill_regs element.
217 Don't call spill_hard_reg.
218 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
219 Mark spilled hard regs in bad_spill_regs_global.
220 Mark affected pseudos in spilled_pseudos, but don't spill them.
221 (ior_hard_reg_set): New static function.
222 (finish_spills): Return int. All callers changed.
223 Compute spill_reg_order, n_spills and spill_regs here. Also update
224 regs_ever_live for regs used as spills.
225 For every pseudo in spilled_pseudos, spill it and mark the previous
226 hard reg it had in pseudo_previous_regs. Compute which hard regs
227 arseudo): New static function.
228 (order_regs_for_reload): Take CHAIN arg. All callers changed.
229 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
230 hard registers explicitly used across the current insn into the set.
231 Compute hard_reg_n_uses taking only pseudos live across this insn
233 Tweak sorting of potential_reload_regs.
234 (compare_spill_regs): Delete function.
235 (reload_as_needed): Don't sort the spill_regs array, it's computed
236 in proper order in finish_spills.
237 Delete avoid_return_reg kludge.
238 Delete code to manage basic_block_needs.
239 (allocate_reload_reg): Minor speed/readability tweaks.
240 Operate on elements of CHAIN instead of global variables.
241 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
242 Delete avoid_return_reg kludge.
243 Initialize reload_reg_used from CHAIN's used_spill_regs element.
244 Delete unused label FAIL.
245 (reload_combine): Replce reload_address_index_reg_class with
247 Don't use used_spill_regs to determine information about lifetime of
250 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
252 * toplev.c (display_help): Ignore empty target specific
253 options, and if -W is also specified on the command line then
254 display undocumented options.
256 * config/arm/arm.c: Updated with changes in devo sources.
257 * config/arm/arm.h: Updated with changes in devo sources.
258 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
259 * config/arm/lib1thumb.asm: Add ELF support.
261 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
263 * collect2.c (aix64_flag): New variable.
264 (main, case 'b'): Parse it.
265 (GCC_CHECK_HDR): object magic number must match mode.
266 (scan_prog_file): Only check for shared object if valid header.
267 Print debugging if header/mode mismatch.
269 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
271 Added support for arm-elf-linux configuration, submitted by Philip
272 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
273 code developed by Catherine Moore <clm@cygnus.com>. The following
276 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
279 * configure: Regenerated.
281 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
282 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
283 definitions conditional on their not having been already defined.
285 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
286 and .type directives, and add "(PLT)" qualification to function
289 * config/arm/linux.h: Deleted. This file is now superceeded by
290 either linux-elf.h or linux-aout.h.
292 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
293 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
295 Move definitions from old linux.h file here.
297 * config/arm/elf.h: New file. Generic ARM/ELF support.
299 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
301 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
303 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
304 using the 26bit APCS.
306 * config/arm/unknown-elf.h: New file. Support for OS'es other
309 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
312 * config/arm/coff.h: Include aout.h for basic assembler macros.
313 Add support for -mstructure_size_boundary=<n> command line option.
315 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
316 command line option. Make macro definitions conditional on their
317 not having been already defined.
319 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
323 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
325 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
326 has been changed to not include a newline. Use this macro instead.
327 (output_enumeral_list, const_value_attribute, name_attribute,
328 comp_dir_attribute, prototyped_attribute, producer_attribute,
329 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
330 dwarfout_file_scope_decl, generate_new_sfname_entry,
331 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
332 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
334 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
336 * combine.c (subst): Process the inputs to a parallel asm_operands
339 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
341 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
343 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
345 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
347 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
349 * version.c: Bump for snapshot.
351 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
353 * stmt.c (expand_fixup): Set fixup->before_jump to a
354 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
356 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
358 * Makefile.in (recog.o): Depend on toplev.h.
359 (insn-emit.o): Depend on recog.h.
360 (insn-peep.o): Depend on recog.h and insn-config.h.
362 * combine.c (simplify_set): Remove unused variable `scratches'.
364 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
365 and `idx' in macro conditional controlling their use.
367 * genemit.c (main): Make the generated output file include
368 recog.h. Don't have it declare `insn_operand_constraint', since
369 we get it from recog.h.
371 * genpeep.c (main): Make the generated output file include
372 insn-config.h and recog.h.
374 * recog.c: Include toplev.h.
375 (extract_insn): Remove unused variable `p'.
377 * regclass.c (fix_register): Add missing braces around initializer
379 (allocate_reg_info): Move variable `i' into the scope where it is
380 used. Change its type to `size_t'.
382 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
384 * reload.c (push_reload): When merging reloads, make sure
385 that reload_in_reg and reload_in are from the same reload in
388 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
390 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
391 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
393 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
395 * loop.c (loop_has_tablejump): New variable.
396 (prescan_loop): Scan for it.
397 (insert_bct): Replace explicit scan with use of it.
398 * regclass.c (regclass): Restore loop variable j.
399 (record_reg_classes): Deterine op_types modifiers and initialize
400 classes[i] before matching constraints. Handle matching
403 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
405 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
408 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
410 * mips.h (EXTRA_SPECS): Add missing initializers.
412 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
414 * sparc.h (EXTRA_SPECS): Add missing initializers.
415 (sparc_defer_case_vector): Provide a prototype.
417 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
418 comparing it to the result of a pointer subtraction.
420 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
422 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
423 the argument to (unsigned char).
425 * alpha.h (EXTRA_SPECS): Add missing initializers.
426 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
429 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
431 * flow.c (life_analysis_1): Enable "rescan" code after reload.
432 (propagate_block): Delete dead code after reload.
434 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
435 back Oct 15, 1998 change.
436 * haifa-sched.c (update_flow_info): Likewise.
437 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
439 * mn10200.md (truncated shift): Accept constant inputs too.
441 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
443 * machmode.h (mode_mask_array): No longer const.
444 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
446 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
448 * frame.c: Somewhat explain `FDE'.
449 Suggested by Brendan Kehoe
451 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
453 * expr.c (pending_chain): Move up.
454 (save_expr_status): Do save pending_chain.
455 (restore_expr_status): And restore it.
456 * function.h (struct function): Add pending_chain.
458 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
460 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
461 did not match the code.
463 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
465 * regclass.c (regclass): Break out some code into new function
466 scan_one_insn, and into regclass_init.
467 (init_cost): New static variable, moved out of regclass.
468 (regclass_init): Initialize it here, not in .
469 (scan_one_insn): New static function, broken out of regclass.
470 * recog.c (apply_change_group): Break out some code into new
471 function insn_invalid_p.
472 (insn_invalid_p): New static fn, broken out of apply_change_group.
474 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
476 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
477 reg_reloaded_contents matches incremented pseudo.
479 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
481 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
483 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
484 addressing modes with side effects. These are currently
485 placeholders for the C4x target.
487 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
489 * loop.c (express_from): Make sure that when generating a PLUS of
490 a PLUS, any constant expression appears on the outermost PLUS.
492 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
494 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
495 works if "$(srcdir)" != ".".
497 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
499 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
500 existing SUBREG if we can, otherwise abort.
502 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
504 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
505 `restrict' is applied to a non-pointer variable.
507 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
509 * invoke.texi: Document -flang-isoc9x.
511 * Makefile.in (OBJS): Add splay-tree.o.
512 (c-common.o): Depend on rtl.h.
513 (splay-tree.o): List dependencies and provide build rule.
515 * rtl.h (record_alias_subset): New function.
516 * alias.c: Include splay-tree.h.
517 (alias_set_entry): New type.
518 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
519 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
520 (mems_in_disjoin_alias_sets_p): New function.
521 (alias_set_compare): Likewise.
522 (insert_subset_children): Likewise.
523 (get_alias_set_entry): Likewise.
525 * tree.h (TYPE_RESTRICT): New macro.
526 (TYPE_UNQUALIFIED): New manifest constant.
527 (TYPE_QUAL_CONST): Likewise
528 (TYPE_QUAL_VOLATILE): Likewise.
529 (TYPE_QUAL_RESTRICT): Likewise.
530 (tree_type): Add restrict_flag. Reduce count of free bits.
531 (DECL_POINTER_ALIAS_SET): New macro.
532 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
533 (tree_decl): Add pointer_alias_set.
534 (build_qualified_type): New function.
535 (build_type_variant): Define in terms of build_qualified_type.
536 * tree.c (set_type_quals): New function.
537 (make_node): Initializae DECL_POINTER_ALIAS_SET.
538 (build_type_attribute_variant): Use build_qualified_type and
540 (build_type_variant): Rename, and modify, to become...
541 (build_qualified_type): New function.
542 (build_complex_type): Use set_type_quals.
544 * c-tree.h (C_TYPE_OBJECT_P): New macro.
545 (C_TYPE_FUNCTION_P): Likewise.
546 (C_TYPE_INCOMPLETE_P): Likewise.
547 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
548 (c_apply_type_quals_to_decl): New function.
549 (c_build_qualified_type): New function.
550 (c_build_type_variant): Define in terms of c_build_qualified_type.
551 (flag_isoc9x): Declare.
552 * c-typeck.c (qualify_type): Use c_build_qualified_type.
553 (common_type): Change to use TYPE_QUALS.
554 (comptypes): Likewise.
555 (convert_for_assignment): Likewise.
556 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
557 * c-decl.c (flag_isoc9x): Define.
558 (c_decode_option): Handle -flang-isoc9x.
559 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
560 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
561 * c-lex.c (init_lex): Deal with restrict.
562 (init_lex): Don't treat restrict as a reserved word in
563 -traditional mode, or without -flang-isoc9x.
564 * c-lex.h (rid): Add RID_RESTRICT.
565 * c-parse.gperf (restrict, __restrict, __restrict__): Make
566 equivalent to RID_RESTRICT.
567 * c-parse.in (TYPE_QUAL): Update comment.
568 * c-common.c: Include rtl.h.
569 (c_find_base_decl): New function.
570 (c_build_type_variant): Rename, and modify, to become ...
571 (c_build_qualified_type): New function.
572 (c_apply_type_quals_to_decl): Likewise.
573 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
574 a particular alias set for the reference.
575 * toplev.c (documented_lang_options): Add -flang-isoc9x.
577 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
579 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
580 command line switches.
582 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
584 * reload.c (loc_mentioned_in_p): Add missing braces to bind
587 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
589 * gcc.c (option_map): Added --classpath and --CLASSPATH.
591 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
593 * regclass.c (fix_register): Add error message.
594 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
597 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
599 * c-decl.c (warn_missing_noreturn): New global variable.
600 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
601 (finish_function): Implement missing noreturn warning.
603 * c-tree.h (warn_missing_noreturn): Declare extern.
605 * invoke.texi: Document new flags.
607 * toplev.c (documented_lang_options): Add description.
609 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
611 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
612 loop optimization stable for the C4x.
613 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
614 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
615 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
617 (c4x_address_conflict): Be more paranoid when packing a volatile
618 memref in a parallel load/store.
620 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
622 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
623 repeat_block_filler): Deleted.
624 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
625 Condition code not set if destination register from 'c' class.
626 (*subbqi3_carry_clobber): Fix typo.
628 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
630 * reorg.c (steal_delay_list_from_target) Check for insns that
631 modify the condition codes and effect the direction of the jump
634 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
636 * function.c (purge_addressof_1): Replace call to
637 emit_insns_before() with emit_insn_before().
639 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
641 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
643 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
645 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
647 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
649 * gcse.c (compute_hash_table): Correctly identify hard regs which are
650 clobbered across calls.
652 * loop.c (scan_loop): Be more selective about what invariants are
655 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
657 * version.c: Bump for snapshot.
659 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
661 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
662 static eh_context structure.
664 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
666 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
668 (try_combine): Don't update max_scratch.
669 * flow.c (max_scratch, num_scratch): Delete variables.
670 (life_analysis_1): Don't initialize max_scratch.
671 (propagate_block): Don't update max_scratch.
672 (mark_set_1): Don't increment num_scratch.
673 * regs.h (max_scratch): Delete declaration.
675 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
677 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
678 is nonzero. This is temporary!
680 * sched.c (update_flow_info): Handle death notes made invalid by
681 instruction splitting. Partially reverts Oct 15, 1998 patch.
682 * haifa-sched.c (update_flow_info): Likewise.
684 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
686 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
687 if it has a nonzero DECL_INITIAL.
689 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
691 * Makefile.in (flow.o): Depend on recog.h.
693 * cpplib.h (directive_table): Add missing initializiers.
694 (finclude): Change type of variable `bsize' to size_t.
696 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
698 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
700 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
701 `int' when comparing against one.
702 (cpp_file_line_for_message): Mark parameter `pfile' with
704 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
706 * flow.c: Include recog.h.
707 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
709 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
710 `f' with ATTRIBUTE_UNUSED.
711 (reposition_prologue_and_epilogue_notes): Likewise.
713 * genopinit.c (gen_insn): Cast argument of ctype functions to
716 * haifa-sched.c: Include recog.h.
717 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
718 comparing against one.
720 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
722 * mips-tfile.c (parse_end): Cast the argument of ctype function to
724 (parse_ent): Likewise.
725 (parse_input): Likewise.
727 * optabs.c (init_libfuncs): Likewise.
729 * protoize.c (find_rightmost_formals_list): Likewise.
731 * recog.h (const_double_operand): Fix typo in prototype.
733 * tlink.c (scan_linker_output): Cast the argument of ctype
734 function to `unsigned char'.
736 * toplev.c (check_lang_option): Cast the result of `strlen' to
737 `int' when comparing against one.
739 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
741 * gcse.c (dump_cuid_table): Correct typo.
743 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
745 * toplev.c (display_help): Prepend '-m' to target specific
747 (check_lang_option): Ignore text after end of first word of a
748 language specific option.
750 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
752 * reload1.c (reg_used_by_pseudo): New static variable.
753 (choose_reload_regs): Initialize it.
754 Use it instead of testing spill_reg_order to determine whether a
755 pseudo is live in a hard register across the current insn.
756 Fix a typo in a reference to reload_reg_rtx.
758 * flow.c (propagate_block): Replace code that computes and uses
759 regs_sometimes_live with simpler code that just walks the set of
760 currently live registers.
762 * Makefile.in (insn-extract.o): Fix dependencies.
763 * genextract.c (main): Generate includes for insn-config.h and
765 Delete generation of declarations which are now in recog.h.
766 * genrecog.c (main): Delete generation of definitions which are
768 * local-alloc.c (block_alloc): Use extract_insn and the variables
769 it sets up instead of looking up values by insn_code.
770 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
771 recog_dup_num): Define here instead of generating the definition in
773 (recog_n_operands, recog_n_dups, recog_n_alternatives,
774 recog_operand_mode, recog_constraints, recog_operand_address_p):
776 (extract_insn): New function.
777 * recog.h (extract_insn): Declare function.
778 (which_alternative, recog_n_operands, recog_n_dups,
779 recog_n_alternatives, recog_operand_mode, recog_constraints,
780 recog_operand_address_p): Declare variables.
781 * regclass.c (n_occurrences): New static function.
782 * reload.c (n_occurrences): Delete function.
783 (find_reloads): Use extract_insn.
784 * reload.h (n_occurrences): Delete declaration.
786 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
788 * reload1.c (reload_as_needed): Fix test for when to call
789 update_eliminable_offsets.
791 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
793 Fix consistency problems with reg_equiv_{mem,address};
794 Improve reload inheritance;
796 * reload.c (reload_out_reg): New variable.
797 (loc_mentioned_in_p, remove_address_replacements): New functions.
798 (remove_replacements): Deleted.
799 (push_reload): Set reload_out_reg[i].
800 When merging, also set reload_{in,out}_reg[i], and remove
801 duplicate address reloads.
802 (combine_reloads): Copy reload_out_reg[i].
803 (find_reloads): Do make_memloc substitution also when
804 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
806 Include *recog_operand_loc in commutativity operand changes.
807 Generate optional output reloads.
808 Delete reference to n_memlocs. Don't set *recog_operand_loc before
809 processing operands. Call make_memloc in reg_equiv_address code.
810 Set *recog_operand_loc only after processing operands, and only
811 if replace is true. Return a value.
812 When changing address reload types for operands that didn't get
813 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
814 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
815 Don't emit USEs for pseudo SUBREGs when not replacing.
816 (find_reloads_address): Do make_memloc substitution also when
817 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
819 (find_reloads_toplev): Likewise.
820 Call make_memloc in reg_equiv_address code.
821 (debug_reload_to_stream): Add code to output reload_out_reg.
822 (make_memloc): Delete local variable i, ifdefed out code, and
823 references to memlocs and n_memlocs.
824 (memlocs, n_memlocs): Delete.
825 (push_secondary_reload): Clear reload_out_reg.
826 (find_reloads_address_1): Provide memrefloc argument to all calls
827 to find_reloads_address.
828 In AUTO_INC code, handle non-directly addressable equivalences properly.
829 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
830 (find_reloads): Add return type.
831 (remove_address_replacements, deallocate_reload_reg): Declare.
832 * reload1.c (num_not_at_initial_offset): No longer static.
833 (delete_address_reloads, delete_address_reloads_1): Likewise.
834 (deallocate_reload_reg): New function.
835 (spill_reg_stored_to): New array.
836 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
837 (eliminate_regs_in_insn): Move assignments of previous_offset and
838 max_offset fields, and recalculation of num_not_at_initial_offset
839 into new static function:
840 (update_eliminable_offsets) .
841 (reload_as_needed): Call update_eliminable_offsetss after calling
843 Call forget_old_reloads_1 with contents of reloaded auto_inc
844 expressions if the actual addressing can't be changed to match the
846 (choose_reload_regs): For inheritance, replace
847 reload_reg_free_before_p test with reload_reg_used_at_all test, and
848 remove stand-alone reload_reg_used_at_all test.
849 Use reload_out_reg to determine which reload regs have output reloads.
850 Treat reload_override_in more similar to inherited reloads.
851 Handle (subreg (reg... for inheritance.
852 For flag_expensive_optimizations, add an extra pass to remove
853 unnecessary reloads from known working inheritance.
854 Delete obsolete code for pseudos replaced with MEMs.
855 Handle inheritance from auto_inc expressions.
856 (emit_reload_insns): If reload_in is a MEM, set OLD to
858 Don't reload directly from oldequiv; if it's a pseudo with a
859 stack slot, use reload_in[j].
860 Check that reload_in_reg[j] is a MEM before replacing reload_in
861 from reg_reloaded_contents.
862 Include non-spill registers in reload inheritance processing.
863 Also try to use reload_out_reg to set spill_reg_store /
865 In code to set new_spill_reg_store, use single_set to find out if
866 there is a single set.
867 Add code that allows to delete optional output reloads.
868 Add code to allow deletion of output reloads that use no spill reg.
869 At the end, set reload_override_in to oldequiv.
870 Also call delete_output_reload if reload_out_reg is equal to old
872 Add code to call delete_output_reload for stores with no matching load.
873 Set / use spill_reg_stored_to.
874 Handle case where secondary output reload uses a temporary, but
875 actual store isn't found.
876 When looking for a store of a value not loaded in order to call
877 delete_output_reload, count_occurences should return 0 for no
878 loads; but discount inherited input reloadill_reg_stored_to.
879 Do checks for extra uses of REG. Changed all
881 Use delete_address_reloads.
882 (reload): Take return value of find_reloads into account.
883 If a no-op set needs more than one reload, delete it.
884 (reload_reg_free_before_p): RELOAD_FOR_INPUT
885 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
886 for the same operand.
887 (clear_reload_reg_in_use): Check for other reloads that keep a
889 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
890 RELOAD_FOR_OPADDR_ADDR.
891 Take into account when an address address reload is only needed
892 for the address reload we are considering.
893 (count_occurrences): Use rtx_equal_p for MEMs.
894 (inc_for_reload): Return instruction that stores into RELOADREG.
895 New argument two, IN, and rtx. Changed all callers.
896 (calculate_needs_all_insns, reload_as_needed):
897 Don't clear after_call for a CLOBBER.
898 Keep track of how many hard registers need to be copied from
899 after_call, and don't clear after_call before we have seen
900 that much copies, or we see a different instruction.
902 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
904 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
905 after reload has completed.
907 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
909 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
910 a macro name and the next token with a single blank if that whitespace
911 is in a macro buffer and the next token is not '('.
913 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
915 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
917 (skip_if_group): Ditto.
918 (skip_to_end_of_comment): Ditto.
920 (discard_comments): Ditto.
921 (change_newlines): Ditto.
923 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
925 * c-lex.c (yylex): Fix unaligned access of wchar_t.
927 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
929 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
930 (TARGET_OPTIONS): Add --help documentation.
932 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
934 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
936 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
938 * fixinc/* Moved in from ../contrib directory in preparation
939 for integrating it into the normal build process. In particular,
940 fixinc/Makefile.in must be config-ed into the build directory
941 as fixinc/Makefile. Proposed patches to ./Makefile.in and
942 ./configure.in will be "in the mail" momentarily.
944 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
946 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
947 accidently walk into the free list. Comment how that can happen.
948 (invalidate): Fix indentation.
950 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
951 Jeffrey A Law (law@cygnus.com)
953 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
954 reload. Never perform rescans of the insn chain after reload.
955 (propagate_block): Do not delete insn or create new autoinc addressing
958 * jump.c (jump_optimize): Unconditionally use the code that was
959 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
960 * reload1.c (reload): When reloading is finished, delete all
961 REG_DEAD and REG_UNUSED notes.
962 (emit_reload_insns): Delete all code that was conditional on
963 PRESERVE_DEATH_INFO_REGNO_P.
964 (no_longer_dead_regs): Delete variable.
965 (reload_cse_delete_death_notes): Delete function.
966 (reload_cse_no_longer_dead): Delete function.
967 (reload_cse_regs_1): Delete all code to handle deletion of death
969 (reload_cse_noop_set_p): Likewise.
970 (reload_cse_simplify_set): Likewise.
971 (reload_cse_simplify_operands): Likewise.
972 (reload_cse_move2add): Likewise.
973 * reorg.c (used_spill_regs): Delete declaration.
974 (max_label_num_after_reload): Delete declaration.
975 (find_dead_or_set_registers): Don't assume that spill regs are
976 dead at a CODE_LABEL.
977 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
979 * sched.c (sched_analyze_insn): Likewise.
980 (update_flow_info): Likewise.
981 * haifa-sched.c (sched_analyze_insn): Likewise.
982 (update_flow_info): Likewise.
983 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
984 * toplev.c (max_label_num_after_reload): Delete variable.
985 (rest_of_compilation): Don't set max_label_num_after_reload.
986 Call life_analysis after reload_cse_regs if optimizing.
987 * config/gmicro/gmicro.h: Delete comment referring to
988 PRESERVE_DEATH_INFO_REGNO_P.
989 * config/i386/i386.h: Likewise.
990 * config/m88k/m88k.h: Likewise.
991 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
992 * config/sh/sh.h: Likewise.
994 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
996 * loop.c (strength_reduce): Restore marking bct_p as
998 * rs6000.c (optimization_options): Change #ifdef HAIFA to
999 HAVE_decrement_and_branch_on_count.
1000 (small_data_operand): Remove TARGET_ELF condition for marking
1001 parameters ATTRIBUTE_UNUSED.
1003 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
1005 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
1006 (SELECT_SECTION): Resync with svr4.h.
1008 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
1010 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
1013 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
1015 * c-pragma.c (handle_pragma_token): Test for null tree before
1016 dereferencing TREE_CODE.
1018 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1020 * config/c4x/c4x.c: Convert to use GEN_INT.
1021 (c4x_parallel_process): Rework to handle new repeat loop structure.
1023 * config/c4x/c4x.md: Convert to use GEN_INT.
1024 (rptb_end): Convert to use GE test. Replace uses with clobbers.
1025 (decrement_and_branch_on_count): Likewise.
1027 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
1028 loop.c has the desired functionality.
1029 (rc_reg_operand): New prototype.
1031 * config/c4x/t-c4x: Can now build all front ends.
1033 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
1035 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
1037 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
1039 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
1040 * config/t-rtems: Do not install assert.h -- use newlib's.
1042 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1044 * combine.c (combine_instructions): When finished, call init_recog.
1045 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
1047 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
1049 * toplev.c: If flag_syntax_only, don't open or write assembler file.
1051 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1053 * cppalloc.c (memory_full): Mark function prototype with
1056 * demangle.h (collect_exit): Likewise.
1058 * fix-header.c (v_fatal, fatal): Likewise.
1060 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
1063 * gcov.c (print_usage): Likewise.
1065 * genattr.c (fatal, fancy_abort): Likewise.
1067 * genattrtab.c (fatal, fancy_abort): Likewise.
1069 * gencodes.c (fatal, fancy_abort): Likewise.
1071 * genconfig.c (fatal, fancy_abort): Likewise.
1073 * genemit.c (fatal, fancy_abort): Likewise.
1075 * genextract.c (fatal, fancy_abort): Likewise.
1077 * genflags.c (fatal, fancy_abort): Likewise.
1079 * genopinit.c (fatal, fancy_abort): Likewise.
1081 * genoutput.c (fatal, fancy_abort): Likewise.
1083 * genpeep.c (fatal, fancy_abort): Likewise.
1085 * genrecog.c (fatal, fancy_abort): Likewise.
1087 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
1088 __sjpopnthrow, __throw): Likewise.
1090 * objc/objc-act.c (objc_fatal): Likewise.
1092 * protoize.c (usage, aux_info_corrupted,
1093 declare_source_confusing): Likewise.
1095 * rtl.c (dump_and_abort): Likewise.
1097 * rtl.h (sets_cc0_p): Likewise.
1099 * toplev.c (float_signal, pipe_closed): Likewise.
1101 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1103 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
1104 when generating the decision tree for the general case.
1106 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
1107 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
1109 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1111 * Makefile.in (sched.o): Depend on recog.h.
1113 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
1114 (unsigned) when comparing against one.
1115 (find_base_value): Likewise.
1116 (record_base_value): Cast variable `regno' to (unsigned) when
1117 comparing against one. Cast the result of REGNO() macro to
1118 (unsigned) when comparing against one.
1119 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
1121 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
1122 variable where an unsigned index is needed.
1124 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
1125 before comparing against one.
1127 * collect2.c: Add prototypes for functions `error', `fatal' and
1128 `fatal_perror'. Make these functions take variable arguments
1129 instead of faking it with a fixed number of args.
1130 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
1133 * combine.c (can_combine_p): Mark parameter `pred' with
1135 (find_split_point): Cast variable `src' to (unsigned
1136 HOST_WIDE_INT) when comparing against one.
1137 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
1138 (simplify_logical): Likewise.
1139 (force_to_mode): Cast result of INTVAL() macro to (unsigned
1140 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
1141 HOST_WIDE_INT) in shift.
1142 (simplify_and_const_int): Cast result of INTVAL() macro to
1143 `unsigned HOST_WIDE_INT' when comparing against one.
1144 (merge_outer_ops): Cast variable const0 to `unsigned
1145 HOST_WIDE_INT' when comparing against the result of
1146 GET_MODE_MASK() macro.
1147 (simplify_comparison): Likewise for variable `c0'. Cast variable
1148 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
1149 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
1150 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
1151 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
1152 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
1153 comparing against one.
1154 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
1156 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
1157 macro to `unsigned HOST_WIDE_INT' when comparing against one.
1158 (output_block_move): Cast `sizeof' expression to (int) when
1159 comparing against one.
1160 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
1162 (save_restore_insns): Cast `base_offset' to `long' to match format
1163 specifier in fprintf.
1165 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
1166 to `enum machine_mode'.
1168 * flow.c (life_analysis_1): Remove unused variable `insn'.
1170 * gcc.c (translate_options): Move variables `j' and `k' into the
1171 scope in which they are used. Change their types to `size_t'.
1172 (set_spec): Cast the argument of ctype macro to `unsigned char'.
1173 (read_specs): Likewise.
1174 (process_command): Cast `sizeof' to (int) when comparing against one.
1175 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
1176 (handle_braces): Cast both sides of `==' expression to `long' to
1177 ensure sign matching.
1178 (main): Cast variable `i' to `int' when comparing against one.
1180 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
1181 int to size_t. Cast variable `i' to size_t when comparing against
1184 * genattrtab.c (convert_set_attr_alternative): Remove unused
1185 parameter `insn_code'. All callers changed.
1186 (convert_set_attr): Likewise.
1188 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
1189 size_t when comparing against one. Likewise for variable `len'.
1191 * global.c (global_alloc): Cast variable `max_regno' to size_t
1192 when comparing against one. Likewise for variable `max_allocno'.
1194 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
1196 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
1197 `set' with ATTRIBUTE_UNUSED.
1198 (find_free_reg): Cast `sizeof' expression to (int) when comparing
1201 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
1202 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
1203 (get_condition): Cast variable `const_val' to `unsigned
1204 HOST_WIDE_INT' when comparing against one. Cast unsigned
1205 expression to HOST_WIDE_INT when comparing against one.
1206 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
1207 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
1208 `unsigned' when comparing against one.
1210 * protoize.c (is_id_char): Change type of parameter `ch' to
1212 (munge_compile_params): Cast argument of ctype macro to (const
1214 (process_aux_info_file): Cast variable `aux_info_size' to int when
1215 comparing against one.
1216 (forward_to_next_token_char): Cast argument of ctype macro to
1217 `const unsigned char'.
1218 (edit_formals_lists): Likewise.
1219 (find_rightmost_formals_list): Likewise.
1220 (add_local_decl): Likewise.
1221 (add_global_decls): Likewise.
1222 (edit_fn_definition): Likewise.
1223 (do_cleaning): Likewise.
1224 (scan_for_missed_items): Likewise.
1225 (edit_file): Cast variable `orig_size' to (int) when comparing
1227 (main): Cast argument of ctype macro to `const unsigned char'.
1229 * recog.c (const_int_operand): Mark parameter `mode' with
1232 * regclass.c (record_reg_classes): Change type of variable `c' to
1233 `unsigned char'. Cast `char' array index to `unsigned char'.
1235 * reload.c (push_secondary_reload): Cast argument to
1236 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
1238 * reload1.c (calculate_needs): Cast `char' array index to
1240 (set_label_offsets): Change type of variable `i' to unsigned int.
1241 Cast result of XVECLEN() macro to unsigned when comparing against
1243 (mark_not_eliminable): Change type of variable `i' to unsigned.
1244 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
1245 when comparing against one.
1246 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
1247 comparing against one.
1248 (choose_reload_regs): Hide unused label `fail'.
1249 (reload_cse_simplify_operands): Cast `char' array index to
1251 (reload_combine_note_store): Mark parameter `set' with
1252 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
1254 (reload_cse_move2add): Remove unused variable `src2'.
1256 * sched.c: Include recog.h.
1257 (sched_note_set): Remove unused parameter `b'. All callers
1259 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
1260 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
1261 when comparing against one.
1263 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
1264 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
1265 comparing against one.
1267 * unroll.c (precondition_loop_p): Remove unused parameter
1268 `loop_end'. All callers changed.
1270 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1272 * reload1.c (maybe_fix_stack_asms): New static function.
1275 * reload.h (compute_use_by_pseudos): Declare.
1277 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
1278 (something_needs_reloads): Delete variable.
1279 (finish_spills): New function.
1280 (compute_use_by_pseudos): New function.
1282 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
1283 Use the reload_insn_chain instead of walking the rtl directly.
1285 (reload): Allocate and free spilled_pseudos.
1286 Ensure that all calls of spill_hard_reg are followed by a call to
1288 Use the insns_need_reload list instead of something_needs_reloads
1289 to find out if reload_as_needed must be called.
1290 Clear unused_insn_chains at the end.
1292 (calculate_needs_all_insns): Lose FIRST parameter. All callers
1294 Delete code to keep track of current basic block.
1295 Walk reload_insn_chain instead of the rtl structure. Build the
1296 insns_need_reload chain.
1297 Remember which insns need reloading/elimination by setting the
1298 appropriate fields in struct insn_chain, not by putting modes on the
1301 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
1302 arg INSN. All callers changed.
1303 Delete declaration of struct needs.
1304 Don't set something_needs_reloads.
1305 Record insn needs in the CHAIN argument.
1307 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
1309 (reload_as_needed): Lose FIRST arg. All callers changed.
1310 Walk the reload_insn_chain instead of the rtx structure.
1311 Delete code to keep track of current basic block.
1312 Rename one of the NEXT variables to OLD_NEXT.
1314 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
1316 (choose_reload_regs): Likewise.
1318 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
1321 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
1322 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
1323 (hard_regs_live, hard_regs_need_restore): Delete variables.
1324 (n_regs_saved): Now static.
1325 (referenced_regs, this_insn_sets): New variables.
1327 (setup_save_areas): Restructure the code a bit.
1329 (restore_referenced_regs): Delete function.
1330 (mark_referenced_regs): New function, similar to the old
1331 restore_referenced_regs, but mark registers in referenced_regs.
1333 (clear_reg_live): Delete function.
1334 (mark_set_regs): Renamed from set_reg_live. All callers changed.
1335 Only mark registers in this_insn_sets.
1337 (save_call_clobbered_regs): Rework this function to walk the
1338 reload_insn_chain instead of using the list of instructions directly.
1339 Delete code to keep track of register lives, compute live regs on the
1340 fly from information in the chain.
1341 Instead of calling restore_referenced_regs, use mark_referenced_regs,
1342 then walk the set it computes and call insert_restore as appropriate.
1344 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
1346 Restructure the code a bit. Test hard_regs_saved instead of
1347 hard_regs_need_restore.
1348 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
1349 args. All callers changed.
1350 Restructure the code a bit. Use TO_SAVE to determine which regs to
1351 save instead of more complicated test.
1352 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
1354 Create a new insn_chain structure for the new insn and place it
1357 * rtl.texi: Update documentation to reflect that reload no longer
1358 puts modes on the insns.
1360 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1362 * function.c (purge_addressof_1): Force the first argument of a
1363 CALL insn to memory.
1365 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
1367 * rtl.h: Delete duplicate prototypes. Add some missing
1369 * rtlanal.c: (for_each_rtx): Formatting tweak.
1371 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1373 * real.c (emdnorm and etoasc): Disable round to even for c4x target
1374 to be compatible with TI compiler.
1376 * Makefile.in (USER_H): Add va-c4x.h to definition.
1378 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
1380 * function.c (purge_addressof_1): Fix typo in inequality: do
1381 bitfield optimization for equal mode sizes.
1382 * expmed.c (store_bit_field): Don't take subregs of subregs in
1383 the movstrict case. Tidy a potential problem in the multi-word case.
1384 (extract_bit_field): Likewise.
1386 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1388 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
1390 Compute max_uid_for_flow by calling get_max_uid after the scan.
1391 (find_basic_blocks_1): Don't emit NOPs here.
1393 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
1395 * alias.c (base_alias_check): Accept new args for the modes of the
1396 two references. Use them to determine if an AND can overlap. Update
1398 (memrefs_conflict_p): Assume sizes are aligned, and uses them
1399 to determine if an AND can overlap.
1401 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
1403 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
1404 check. Add comment to document problems with TARGET_SUN_FPA version
1406 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
1408 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1410 * Makefile.in (gencheck.o): Depend on gansidecl.h.
1412 * c-common.c (print_char_table): Add missing initializers.
1413 (scan_char_table): Likewise.
1414 (time_char_table): Likewise.
1416 * c-decl.c (c_decode_option): Mark parameter `argc' with
1418 (declare_parm_level): Mark parameter `definition_flag' with
1421 * c-lex.c (readescape): Use `(unsigned)1' in shift.
1422 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
1425 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
1427 (emit_call_1): Mark parameters `fndecl' and `funtype' with
1429 (expand_call): Cast result of MIN() to (unsigned int) when
1430 comparing against an unsigned value.
1432 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
1434 (make_definition): Remove unused parameter `op'. All callers
1436 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
1437 comparing against the result of pointer arithmetic.
1439 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
1440 when comparing against one.
1442 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
1443 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
1445 (output_die): Move variable `i' into the scope in which it is
1446 used. Change its type to `unsigned'.
1447 (output_die): Cast the result of `strlen' to (int) when passing it
1448 to ASM_OUTPUT_ASCII().
1449 (output_pubnames): Likewise.
1450 (output_line_info): Likewise.
1452 * emit-rtl.c (global_rtl): Add missing initializers.
1454 * explow.c (promote_mode): Mark parameter `for_call' with
1457 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
1458 `unsigned HOST_WIDE_INT' when comparing against one.
1459 (synth_mult): Change type of variable `cost' to int.
1460 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
1462 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
1463 when comparing against one.
1464 (get_inner_reference): Change variable `alignment' to unsigned.
1465 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
1466 int) when comparing against one.
1467 (expand_builtin_setjmp): Change type of variable `i' to size_t.
1469 * fold-const.c (div_and_round_double): Cast BASE to
1470 (HOST_WIDE_INT) when comparing against one.
1472 * gencheck.c: Include gansidecl.h.
1473 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
1475 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
1476 `tcode' with ATTRIBUTE_UNUSED.
1478 * real.c (edivm): Cast constant value to (unsigned long) in
1479 expression compared against an unsigned value.
1481 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
1482 comparing against one.
1483 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
1484 when comparing against one.
1486 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
1487 (unsigned int) when comparing against one. Likewise for
1489 (smallest_mode_for_size): Likewise.
1490 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
1491 (restore_storage_status): Likewise.
1493 * toplev.c (debug_args): Add missing initializer.
1494 (f_options): Spelling correction. Add missing initializers.
1495 (documented_lang_options): Likewise.
1496 (debug_end_source_file): Mark parameter `lineno' with
1499 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
1500 `decl' and `type' with ATTRIBUTE_UNUSED.
1502 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
1503 when comparing against one.
1504 (assemble_variable): Mark parameter `top_level' with
1506 (assemble_external_libcall): Mark parameter `fun' with
1508 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
1511 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
1513 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
1514 Replace use of r5 with use of r19.
1516 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
1518 * config/v850/v850.c (compute_register_save_size): Allow for the
1519 fact that helper functions save all registers, not just those used
1522 Replace constant 31 with macro LINK_POINTER_REGNUM.
1524 * config/v850/v850.md: Use 'indirect_operand' rather than
1525 'memory_operand' for bit test/set/clear patterns.
1527 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
1529 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
1530 * varasm.c (assemble_start_function et al): Don't call
1531 ASM_GLOBALIZE_LABEL for weak symbols.
1533 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
1535 * cse.c (equiv_constant): Check for NULL return from
1536 gen_lowpart_if_possible().
1538 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
1540 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
1542 * collect2.c (main): Pass -EL/-EB through to the compiler.
1544 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1546 * expr.c (push_block): Handle targets where the stack grows
1547 to higher addresses, but args grow to lower addresses and
1548 ACCUMULATE_OUTGOING_ARGS is not defined.
1550 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
1552 * config/v850/v850.c (print_operand): Extend meaning
1553 of 'c' operands to support .vtinherit.
1555 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1557 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
1558 Added ATTRIBUTE_UNUSED to unused function arguments.
1559 (rc_reg_operand): New predicate.
1560 (c4x_rptb_insert): New function.
1561 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
1562 (c4x_optimization_options): New function.
1564 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
1565 (decrement_and_branch_on_count): New pattern.
1566 (rptb_top): Modified pattern to work with BCT optimization.
1568 * config/c4x/c4x.h (RC_REG): New register class.
1569 (rc_reg_operand): Define prototype.
1570 (IS_RC_REG): New macro.
1571 (IS_RC_OR_PSEUDO_REG): New macro.
1572 (IS_RC_OR_PSEUDO_REGNO): New macro.
1573 (OPTIMIZATION_OPTIONS): Define.
1575 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
1577 * collect2.c (extract_init_priority): No priority is 65535.
1579 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1581 * Makefile.in (build_tooldir): new variable, same as old
1582 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
1583 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
1584 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
1586 * configure.in (gxx_include_dir): set default based on unlibsubdir
1587 * Makefile.in (tooldir): ditto
1588 (cccp.o, cpplib.o): use unlibsubdir implicitly through
1589 gxx_include_dir, includedir and tooldir
1590 (protoize.o, unprotoize.o): ditto
1592 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
1594 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
1596 * config/arm/thumb.c (thumb_override_options): Add warning about
1597 PIC code not being supported just yet.
1599 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
1601 * flow.c: Update comment.
1602 (notice_stack_pointer_modification): New static function.
1603 (record_volatile_insns): Use it.
1604 (mark_regs_live_at_end): Mark the stack pointer as alive
1605 at the end of the function if current_function_sp_is_unchanging
1607 (life_analysis_1): Set current_function_sp_is_unchanging.
1608 * function.c: Define it.
1609 (init_function_start): Initialize it.
1610 * output.h: Declare it.
1611 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
1612 the stack pointer as alive at the end of the function if
1613 current_function_sp_is_unchanging is set.
1614 * i386.c (ix86_epilogue): Optimize the restoring
1615 of the stack pointer.
1617 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
1619 * version.c: Bump for snapshot.
1621 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
1623 * c-pragma.c (handle_pragma_token): If passed a token instead
1624 of a tree, use that as the pack value.
1626 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
1628 * flow.c (find_basic_blocks_1): Fix prototype.
1630 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
1632 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
1633 (struct tree_decl): New fields no_check_memory_usage.
1634 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
1635 (init_attributes): Register it as a new attribute.
1636 (decl_attributes): Set flags on functions given that attribute.
1637 * c-decl.c (duplicate_decls): Merge new attribute.
1638 * expr.h (current_function_check_memory_usage): Declare new var.
1639 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
1640 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
1641 current_function_check_memory_usage.
1642 * function.h: Add field to struct function.
1643 * function.c (current_function_check_memory_usage): Define it.
1644 (push_function_context_to, pop_function_context_from): Save and
1646 (expand_function_start): Set it, based on global flag and function
1649 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
1650 check non-automatic variables, to permit detection of writes to
1651 read-only locations in embedded systems without memory management.
1652 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
1653 when emitting chkr_set_right_libfunc call, even if the argument is
1654 BLKmode or variable-sized; don't abort.
1656 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
1657 symbols in Pmode, not VOIDmode.
1659 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1661 * cppexp.c: When forcing unsigned comparisons, cast both sides
1664 * cpphash.h: Move static declaration of hashtab[]...
1665 * cpphash.c: ...here.
1667 * cpplib.c: Cast difference of two pointers to size_t before
1668 comparing it to size_t. Cast signed to unsigned
1669 before comparing to size_t. (FIXME: struct argdata should use
1670 unsigned buffer sizes.)
1671 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
1672 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
1673 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
1674 size_t before comparison.
1676 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
1678 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
1679 (find_basic_blocks_1): Similarly.
1680 * output.h (find_basic_blocks): Fix prototype.
1681 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
1682 find_basic_blocks anymore.
1684 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
1686 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
1687 (sbitmap_free, sbitmap_vector_free): New macros.
1688 * output.h (rtl_dump_file): Declare.
1690 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
1692 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
1694 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1696 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
1698 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
1699 (divide): Remove unused variable `tmp'.
1700 (si_to_float): Cast numeric constant to (SItype) before comparing
1703 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
1705 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
1706 * gcc.c (add_preprocessor_option): Correct typo when allocating
1707 memory, sizeof() argument had one too many `*'.
1708 (add_assembler_option): Likewise.
1709 (add_linker_option): Likewise.
1710 * gcov.c (output_data): Likewise.
1711 * local-alloc.c (memref_used_between_p): Likewise.
1712 (update_equiv_regs): Likewise.
1713 * loop.c (strength_reduce): Likewise.
1714 * reg-stack.c (record_asm_reg_life): Likewise.
1715 (subst_asm_stack_reg): Likewise.
1716 * reorg.c (dbr_schedule): Likewise.
1718 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1720 * flow.c (life_analysis_1): Break out some functions.
1721 (find_basic_blocks_1): Likewise. Also move some variables out and
1723 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
1724 new static var nonlocal_label_list with it.
1725 (active_eh_region, nested_eh_region, label_value_list,
1726 nonlocal_label_list): New static variables.
1727 (make_edges, delete_unreachable_blocks, delete_block): New static
1728 functions, broken out of find_basic_blocks_1.
1729 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
1730 noop_move_p): New static functions, broken out of life_analysis_1.
1732 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
1734 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
1735 Take extra care for op0 now possibly being a subreg.
1736 (extract_bit_field): Likewise.
1737 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
1738 the reg to memory if there is no equal sized integral mode.
1739 * stor-layout.c (int_mode_for_mode): New function.
1740 * machmode.h: Prototype it.
1742 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
1744 * global.c (build_insn_chain): Verify no real insns exist past the
1745 end of the last basic block, then exit the loop.
1747 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
1749 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
1751 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
1753 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
1755 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
1757 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
1759 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
1761 * flow.c (find_basic_blocks): Correctly determine when a call
1762 is within an exception region.
1764 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
1766 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
1768 * cpplib.h: Protect from multiple inclusions.
1769 * cpplib.c: Fix minor formatting problems.
1771 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
1773 * jump.c (jump_optimize): Revert accidental patch.
1775 * Makefile.in (cpplib.o): Use unlibsubdir.
1777 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
1779 * loop.c (get_condition): Allow combine when either compare is
1782 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
1784 * version.c: Bump for snapshot.
1786 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
1788 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
1789 (init_lex): Initialize ridpointers[RID_BYREF].
1790 * c-lex.h (enum rid): Add RID_BYREF.
1791 * c-parse.gperf: Add RID_BYREF as a type qualifier.
1792 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
1793 (encode_type_qualifiers): Similarly
1794 * c-gperf.h: Rebuilt.
1796 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
1798 * c-common.c (type_for_mode): Only return TItype nodes when
1799 HOST_BITS_PER_WIDE_INT is >= 64 bits.
1800 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
1801 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
1802 (init_decl_processing): Only create TItype nodes when
1803 HOST_BITS_PER_WIDE_INT is >= 64 bits.
1804 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
1805 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
1807 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1809 * stmt.c (n_occurrences): New static function.
1810 (expand_asm_operands): Verify that all constrains match in the
1811 number of alternatives.
1812 Verify that '+' or '=' are at the beginning of an output constraint.
1813 Don't allow '&' for input operands.
1814 Verify that '%' isn't written for the last operand.
1815 * reload.c (find_reloads): Abort if an asm is found with invalid
1816 constraints; all possible problems ought to be checked for earlier.
1818 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1820 * flags.h (flag_branch_on_count_reg): Always declare
1821 * toplev.c (flag_branch_on_count_reg): Likewise.
1822 * toplev.c: Fix typos.
1824 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
1827 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
1829 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
1831 (find_basic_blocks_1): Add a nop to the end of a basic block when
1832 a trailing call insn does not have abnormal control flow.
1833 * gcse.c (pre_transpout): New variable.
1834 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
1835 (compute_pre_transpout): Calculate it.
1836 (compute_pre_ppinout): Use it to eliminate impossible placements
1837 due to abnormal control flow through calls.
1838 (compute_pre_data): Call compute_pre_transpout.
1840 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1842 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
1844 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
1846 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
1847 and matching define_insns): Tack on a `use' of the table label, so
1848 flow analysis will recognize a tablejump.
1850 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
1852 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
1853 always end basic blocks for abnormal edge reasons.
1855 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
1857 * config/i386/i386.h: Remove definition of
1858 HANDLE_PRAGMA_PACK_PUSH_POP.
1860 * config/i386/go32.h: Add definition of
1861 HANDLE_PRAGMA_PACK_PUSH_POP.
1863 * config/i386/win32.h: Add definition of
1864 HANDLE_PRAGMA_PACK_PUSH_POP.
1866 * config/i386/cygwin32.h: Add definition of
1867 HANDLE_PRAGMA_PACK_PUSH_POP.
1869 * c-pragma.c (insert_pack_attributes): Do not insert
1870 attributes unless #pragma pack(push,<n>) is in effect.
1872 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
1874 * expr.c (emit_group_store): Handle a PARALLEL destination.
1876 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
1878 * gcse.c (pre_insert_insn): When a call ends a bb, insert
1879 the new insns before the argument regs are loaded.
1881 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1883 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
1884 (c-parse.gperf): Update comments describing invocation flags.
1885 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
1887 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
1889 * reload1.c (reload): Call free before clobbering the memory
1890 locations or constants pointers.
1892 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1894 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
1895 for efficiency by checking whether we need to modify the current
1896 stack permission at all.
1897 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
1898 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
1899 __enable_execute_stack libcall here too if
1900 TRANSFER_FROM_TRAMPOLINE is defined.
1901 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
1904 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
1906 * Makefile.in (DRIVER_DEFINES): Remove last change.
1908 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1910 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
1911 insns we're going to copy.
1912 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
1914 * loop.c (count_one_set): Add prototype.
1916 * caller-save.c (restore_referenced_regs): Lose mode argument.
1917 (insert_save): Lose mode argument.
1918 (insert_restore): Lose mode argument.
1919 (insert_one_insn): Lose mode argument.
1920 (save_call_clobbered_regs): Lose mode argument.
1921 (setup_save_areas): Take no argument and return void. All callers
1923 Don't verify validity of memory addresses.
1924 * reload.h (setup_save_ares): Adjust prototype.
1925 (save_call_clobbered_regs): Likewise.
1926 * reload1.c (delete_caller_save_insns): New function.
1927 (caller_save_spill_class): Delete variable.
1928 (caller_save_group_size): Delete variable.
1929 (reload): Call setup_save_areas and save_call_clobbered_regs
1930 in the main loop, before calling calculate_needs_all_insns.
1931 Don't call save_call_clobbered_regs after the loop.
1932 Call delete_caller_save_insns at the end of an iteration if
1934 Delete code to manage caller_save_spill_class.
1935 Emit the final note before setting reload_first_uid.
1936 Simplify test that determines whether reload_as_needed gets run.
1937 (calculate_needs): Delete code to manage caller_save_spill_class.
1939 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
1941 * collect2.c (main): Initialize ld_file_name.
1943 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
1945 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
1946 check for flag_function_sections.
1948 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1950 * cse.c (insert_regs): Fix bug in Sep 24 change.
1952 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1954 * flags.h (flag_dump_unnumbered): Declare.
1955 * toplev.c (flag_dump_unnumbered): Don't declare.
1956 * print-rtl.c (flags.h): Include.
1957 (print_rtl_single): Add return value.
1958 * rtl.h (print_rtl_single): Update declaration.
1959 * flow.c (flag_dump_unnumbered): Don't declare.
1960 (print_rtl_with_bb): Use return value of print_rtl_single.
1962 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1964 * loop.c (count_one_set): New static function, broken out of
1966 (count_loop_regs_set): Call it.
1967 * global.c (mark_reg_store): Handle clobbers here by not calling
1969 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
1970 is in fact a clobber.
1971 * integrate.c (process_reg_param): New function, broken out of
1972 expand_inline_function.
1973 (expand_inline_function): Call it.
1976 * i386.md (addsidi3_1): Delete unused variable temp.
1977 (addsidi3_2): Likewise.
1978 (clstrstrsi): Delete unused variable addr1.
1980 * rtl.h: Don't declare any functions also declared in recog.h.
1982 * Makefile.in (stupid.o): Update dependencies.
1983 (global.o): Likewise.
1985 * global.c: Include reload.h
1986 (reg_becomes_live): New function.
1987 (reg_dies): New function.
1988 (build_insn_chain): New function.
1989 (global_alloc): Call build_insn_chain before calling reload.
1991 * reload.h (struct needs): New structure definition.
1992 (struct insn_chain): Likewise.
1993 (reload_insn_chain): Declare variable.
1994 (new_insn_chain): Declare function.
1997 * reload1.c (reload_startobj): New variable.
1998 (reload_insn_chain): New variable.
1999 (unused_insn_chains): New variable.
2000 (new_insn_chain): New function.
2001 (init_reload): Initialize reload_startobj, not reload_firstobj.
2002 (reload): Initialize reload_firstobj.
2003 Before returning, free everything on the reload_obstack.
2005 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
2006 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
2007 current_chain): New variables.
2008 (reg_where_born): Delete variable.
2009 (REG_WHERE_BORN): New macro.
2010 (find_clobbered_regs): New function.
2011 (stupid_life_analysis): Don't allocate/free reg_where_born.
2012 Allocate and free reg_where_born_exact, reg_where_born_clobber,
2013 reg_where_dead_chain.
2014 Use REG_WHERE_BORN instead of reg_where_born.
2015 While processing the insns, build the reload_insn_chain with
2016 information about register lifetimes.
2017 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
2018 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
2020 Compute and information about birth and death of pseudo registers in
2021 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
2022 Delete code to set elements of reg_where_born.
2024 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2026 * tree.def (GOTO_EXPR): Modified documentation.
2027 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
2030 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
2032 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
2033 loop_final_value, loop_comparison_code): No longer static.
2034 (unroll_loop): Delete loop_start_value update.
2035 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
2036 loop_final_value, loop_comparison_code): Extern.
2037 (loop_start_value): Delete extern.
2038 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
2039 loop_comparison_value, loop_comparison_code): Delete.
2040 (loop_optimize): Remove initialization for deleted variables.
2041 (strength_reduce): Delete analyze_loop_iterations call. Only call
2042 insert_bct if flag_branch_count_on_reg set.
2043 (analyze_loop_iterations): Delete.
2044 (insert_bct): Remove iteration count calculation. Move checks for
2045 viable BCT optimization to here. Obtain iteration count from
2046 loop_iterations and correct for unrolling. Check for enough
2047 iteration to be beneficial. Comment out runtime iteration count
2049 (insert_bct): Print iteration count in dump file. Remove
2050 loop_var_mode and use word_mode directly.
2052 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
2053 * rs6000.c (rs6000_override_options): Use it.
2054 (optimization_options): Enable use of flag_branch_on_count_reg.
2055 * rs6000.md (define_function_unit): Describe 604e.
2057 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2059 * loop.c (move_movables): Corrected threshold calculation for
2060 moved_once registers.
2062 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2064 * loop.c (combine_givs_p): Fix test for identical givs.
2066 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
2068 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
2069 call abort if the function is already defined.
2071 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
2073 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
2074 truncation is not a no-op.
2076 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
2078 * version.c: Bump for snapshot.
2080 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
2082 * version.c: Bump for snapshot.
2084 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
2086 * expmed.c (expand_divmod): Don't widen for computing remainder
2087 if we seem to have a divmod pattern for needed mode.
2089 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2091 * cpplib.c (macroexpand): Correct off-by-one error in handling
2094 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
2096 * combine.c (expand_field_assignment): Don't do bitwise operations
2097 on MODE_FLOAT; pun to MODE_INT if possible.
2099 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
2100 scott snyder <snyder@d0sgif.fnal.gov>
2102 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
2103 linker. Recognize mangled names in quotes.
2105 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2107 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
2108 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
2109 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
2110 (lshrsi3_extend, lshrsi3_extend2): Ditto.
2112 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2114 * function.c (purge_addressof_1): If trying to take a sub-word
2115 integral piece of a floating point mode, put it on the stack.
2117 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
2119 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
2121 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
2123 * PROJECTS: Remove template friends.
2125 * collect2.c (sort_ids): Remove unused variable.
2127 * tm.texi (MATH_LIBRARY): Document.
2128 (NEED_MATH_LIBRARY): Remove.
2130 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
2131 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
2133 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
2135 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
2136 last_end to 0x7fffffff.
2138 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2140 * function.c (purge_addressof_1): Do not perform endianness
2141 corrections on bitpos, who we call will do it for us.
2143 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
2145 * h8300.c (WORD_REG_USED): Fix typo.
2146 (initial_offset): Use WORD_REG_USED.
2148 * h8300.c (handle_pragma): Fix typo.
2150 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2152 * caller-save.c (insert_save_restore): Break this function up
2153 into new functions insert_restore, insert_save and insert_one_insn.
2154 All callers changed.
2155 (insert_restore): New function, mostly broken out of
2156 insert_save_restore.
2157 (insert_save): Likewise.
2158 (insert_one_insn): Likewise.
2159 (restore_referenced_regs): New argument BLOCK. All callers changed.
2160 (save_call_clobbered_regs): Don't keep track of basic block boundaries
2161 in this function, do it in insert_one_insn instead.
2163 * reload1.c (reload): Break out some more pieces into separate
2165 (dump_needs): New function, broken out of reload.
2166 (set_initial_elim_offsets): Likewise.
2167 (init_elim_table): Likewise.
2168 (update_eliminables): Likewise.
2170 * global.c (global_alloc): Delete code to manage the scratch_list.
2171 * local-alloc.c (qty_scratch_rtx): Delete.
2172 (scratch_block): Delete.
2173 (scratch_list): Delete.
2174 (scratch_list_length): Delete.
2175 (scratch_index): Delete.
2176 (alloc_qty_for_scratch): Delete.
2177 (local-alloc): Update initialization of max_qty.
2178 Delete code to manage the scratch list.
2179 Delete code to allocate/initialize qty_scratch_rtx.
2180 (block_alloc): Don't allocate quantities for scratches.
2181 Delete code to manage the scratch list.
2182 * regs.h (scratch_list): Delete declaration.
2183 (scratch_block): Delete declaration.
2184 (scratch_list_length): Delete declaration.
2185 * reload1.c (reload): Delete code to manage the scratch list.
2186 (spill_hard_reg): Likewise.
2187 (mark_scratch_live): Delete.
2189 * recog.c (alter_subreg): Delete declaration.
2191 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
2193 * Makefile.in (cccp.o): Fix typo in last patch.
2195 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2197 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
2198 * config/sh/lib1funcs.asm (___set_fpscr): Add.
2200 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
2202 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
2203 NULL_RTX as an argument.
2205 * Makefile.in (unlibsubdir): Define.
2206 (DRIVER_DEFINES): Use unlibsubdir.
2207 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
2208 (stmp-fixinc): Similarly.
2210 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2212 * regmove.c (regmove_optimize): Add variable old_max_uid.
2213 At the end of the function, update basic_block_end.
2215 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2217 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
2218 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
2221 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
2223 * config/arm/arm.c: Improve interworking support.
2225 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2227 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
2228 copied from reload_out[r] .
2230 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
2232 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
2233 with more than three size ranges.
2235 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
2237 * rtl.c (mode_name): Add a null string at the end of the array.
2238 (mode_wider_mode): Change type to unsigned char.
2239 (mode_mask_array): New variable.
2240 (init_rtl): Update for mode_wider_mode type change.
2242 * rtl.h (mode_wider_mode): Change type to unsigned char.
2243 (mode_mask_array): Declare.
2244 (GET_MODE_MASK): Use mode_mask_array.
2246 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
2248 * calls.c (expand_call) : Encapsulate code into
2249 copy_blkmode_from_reg.
2250 * expr.c (copy_blkmode_from_reg): New function.
2251 * expr.h (copy_blkmode_from_reg): New function.
2252 * integrate.c (function_cannot_inline_p): We can inline
2254 (expand_inline_function): Use copy_blkmode_from_reg
2255 if needed. Avoid creating BLKmode REGs.
2256 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
2259 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
2261 * config/v850/v850.c: Add function prototypes.
2262 Add support for v850 special data areas.
2264 * config/v850/v850.h: Add support for v850 special data areas.
2266 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
2267 HANDLE_PRAGMA_PACK_PUSH_POP.
2268 (push_alignment): New function: Cache an alignment requested
2269 by a #pragma pack(push,<n>).
2270 (pop_alignment): New function: Pop an alignment from the
2272 (insert_pack_attributes): New function: Generate __packed__
2273 and __aligned__ attributes for new decls whilst a #pragma pack
2275 (add_weak): New function: Cache a #pragma weak directive.
2276 (handle_pragma_token): Document calling conventions. Add
2277 support for #pragma pack(push,<n>) and #pragma pack (pop).
2279 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
2280 are defined enable HANDLE_PRAGMA_PACK.
2281 Move 'struct weak_syms' here (from varasm.c).
2282 Add pragma states for push and pop pragmas.
2284 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
2287 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
2288 HANDLE_GENERIC_PRAGMAS.
2290 * varasm.c: Move definition of 'struct weak_syms' into
2292 (handle_pragma_weak): Deleted.
2294 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
2296 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
2298 * c-decl.c (start_function): Add invocation of
2299 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
2301 * tm.texi: Remove description of non-existant macro
2302 SET_DEFAULT_SECTION_NAME.
2304 (HANDLE_SYSV_PRAGMA): Document.
2305 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
2307 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
2309 * config.sub: Recognize i[34567]86-pc-udk as new target.
2310 * configure.in: Likewise.
2311 * config/i386/t-udk: New file.
2312 * config/i386/udk.h: New file.
2314 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
2316 * reorg.c (check_annul_list_true_false): Remove unused variables.
2317 (steal_delay_list_from_target): Add missing "used_annul" variable.
2318 (try_merge_delay_insns): Close out half formed comment.
2320 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2322 * cpplib.c (macroexpand): If arg->raw_before or
2323 arg->raw_after, remove any no-reexpansion escape at the
2324 beginning of the pasted token. Correct handling of whitespace
2325 markers and no-reexpand markers at the end if arg->raw_after.
2327 * toplev.c (documented_lang_options): Recognize -include,
2328 -imacros, -iwithprefix, -iwithprefixbefore.
2329 * cpplib.c (cpp_start_read): Process -imacros and -include
2330 switches at the same time and in command-line order, after
2331 initializing the dependency-output code. Emit properly nested
2332 #line directives for them. Emit a #line for the main file
2333 before processing these switches, and don't do it again
2336 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
2338 * function.c (purge_addressof_1): Use bitfield manipulation
2339 routines to handle mem mode < reg mode.
2341 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2343 * reorg.c (try_merge_delay_insns): Account for resources referenced
2344 in each instruction in INSN's delay list before trying to eliminate
2345 useless instructions. Similarly when looking at a trial insn's delay
2348 * reorg.c (check_annul_list_true_false): New function.
2349 (steal_delay_list_from_{target,fallthrough}): Call it and also
2350 refine tests for when we may annul if already filled a slot.
2351 (fill_slots_from_thread): Likewise.
2352 (delete_from_delay_slot): Return newly-created thread.
2353 (try_merge_delay_isns): Use its new return value.
2355 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
2357 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
2358 used to compute a giv or as some other non-counting use.
2360 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2362 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2363 * local-alloc.c (find_free_reg): Use it.
2364 * global.c (find_reg): Likewise.
2365 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
2367 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
2368 * caller-save.c (init_caller_save): Use it.
2369 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
2371 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2373 * configure.in: Add --enable-cpplib option which uses cpplib
2374 for cpp, but doesn't link cpplib into cc1. Make help text
2375 capitalization consistent.
2376 * configure: Rebuilt.
2378 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
2380 * function.c (gen_mem_addressof): If the address REG is
2381 REG_USERVAR_P make the new REG be so also.
2382 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
2383 in an attempt to clarify slightly.
2385 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
2387 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
2388 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
2390 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
2392 * toplev.c: Fix last patch.
2394 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
2396 * loop.c (get_condition): Fix typo in May 9 change.
2398 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2400 * invoke.texi (-fexceptions): Merge 2 different descriptions.
2402 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2404 * toplev.c (documented_lang_options): Spelling corrections.
2406 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2408 * configure.in: new flags --with-ld and --with-as, equivalent
2409 to setting LD and AS environment variables. Test whether
2410 specified arguments are GNU commands, and report them with
2411 checking messages. Use the specified AS for configure
2414 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
2416 * gcc.c (find_a_file): when looking for `as' and `ld', return
2417 the DEFAULT program if it exists
2418 * collect2.c (main): use DEFAULT_LINKER if it exists
2420 * gcc.c (find_a_file): the test for existence of a full
2421 pathname was reversed
2423 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
2425 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
2426 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
2428 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
2430 * tree.h (TYPE_BINFO): Document.
2432 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
2434 * i386-coff.h (dbxcoff.h): Added.
2436 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
2438 * toplev.c: fix bad patch around flag_data_sections.
2440 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
2442 * reload1.c (reload): Use reload_address_index_reg_class and
2443 reload_address_base_reg_class when setting
2444 caller_save_spill_class. (Patch generated by Jim Wilson:
2447 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
2449 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
2450 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
2451 * expr.c (store_field): Add alias_set parameter. Set the
2452 MEM_ALIAS_SET accordingly, if the target is a MEM.
2453 (expand_assignment): Use it.
2454 (store_constructor_field): Pass 0.
2455 (expand_expr): Likewise.
2457 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
2459 * flags.h: Add flag_data_sections.
2460 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
2461 (compile_file): Error if flag_data_sections not supported.
2462 * varasm.c (assemble_variable): Handle flag_data_sections.
2463 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
2464 * config/mips/elf.h: Likewise.
2465 * config/mips/elf64.h: Likewise.
2466 * invoke.texi: Describe -fdata-sections.
2468 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
2470 * invoke.texi (-ffloat-store): Clarify that this option
2471 does not affect intermediate results -- only variables.
2473 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
2475 * cpp.texi: Update for Fortran usage from Craig.
2477 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
2479 * rs6000.c (function_arg_boundary): Revert accidental change on
2482 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
2484 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
2485 (output_mi_thunk): Declare.
2487 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
2488 (output_function_profiler): Use r12 for temp, instead of r11 so
2489 that we preserve the static chain register.
2491 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
2493 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
2495 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2497 * sh.c (gen_shl_sext): Fix case 5.
2499 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2501 * reload1.c (reload_combine): Re-add line that got accidentally lost.
2503 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2505 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
2506 accessing variables until they are initialized via va_arg().
2508 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2510 * reload1.c (reload_combine): Initialize set before using.
2512 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
2514 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
2517 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
2519 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
2520 operand3 with mask before using it. Patch provided by Jim Wilson.
2522 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2524 * config/sparc/sparc.c (function_value): Perform the equivalent of
2525 PROMOTE_MODE for ARCH64.
2526 (eligible_for_epilogue_delay): Allow DImode operations in delay
2527 slot of a return for ARCH64.
2529 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2531 * sh.md (sqrtsf2): Fix mode of sqrt.
2533 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2535 * reload1.c (choose_reload_regs): Also try inheritance when
2536 reload_in is a stack slot of a pseudo, even if we already got a
2539 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2541 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
2542 (reload_cse_regs): New function body: call reload_cse_regs_1,
2543 reload_combine, reload_cse_move2add.
2544 When doing expensive_optimizations, call reload_cse_regs_1 a
2545 second time after reload_cse_move2add.
2546 (reload_combine, reload_combine_note_store): New functions.
2547 (reload_combine_note_use): New function.
2548 (reload_cse_move2add, move2add_note_store): New functions.
2550 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2552 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
2553 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
2555 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
2556 more than 3 such reloads.
2558 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
2559 RELOAD_FOR_X_ADDR_ADDR reload.
2561 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2563 * expr.c (store_constructor): When initializing a field that is smaller
2564 than a word, at the start of a word, try to widen it to a full word.
2566 * cse.c (cse_insn): When we are about to change a register,
2567 remove any invalid references to it.
2569 (remove_invalid_subreg_refs): New function.
2570 (mention_regs): Special treatment for SUBREGs.
2571 (insert_regs): Don't strip SUBREG for call to mention_regs.
2572 Check if reg_tick needs to be bumped up before that call.
2573 (lookup_as_function): Try to match known word_mode constants when
2574 looking for a norrower constant.
2575 (canon_hash): Special treatment for SUBREGs.
2577 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2579 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
2580 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
2581 defined, emit libcall to __enable_execute_stack. Also fix opcodes
2582 and offsets in actual stack trampoline code so they match the
2583 commentary and actually work.
2585 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2587 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
2589 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
2590 tmake_file. Set extra_parts to needed crt objects.
2591 * configure: Rebuilt.
2592 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
2593 (TARGET_DEFAULT): Set if default is v9 or ultra.
2594 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
2595 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
2596 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
2597 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
2598 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
2599 (TARGET_VERSION): Define.
2600 (MULTILIB_DEFAULT): Define.
2601 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
2602 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
2603 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
2605 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
2606 * config/sparc/sparc.c (sparc_override_options): If arch and
2607 pointer size disagree, emit diagnostic and fix it up. If
2608 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
2609 V8PLUS in 64-bit mode.
2610 * config/sparc/t-linux64: New file.
2611 * config/sparc/t-sol2-64: New file.
2612 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
2613 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
2614 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
2615 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
2616 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
2617 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
2619 (STARTFILE_SPEC): Set approriately based upon those.
2620 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
2621 disposition of DEFAULT_ARCH32_P.
2622 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
2623 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
2624 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
2625 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
2626 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
2628 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
2630 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
2632 * rtl.h (init_virtual_regs): New function.
2633 * emit-rtl.c (init_virtual_regs): Define.
2634 (insn_emit): Use it.
2635 * integrate.c (save_for_inline_copying): Likewise.
2637 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
2639 * config/arm/thumb.h: The following patches were made by Jim Wilson:
2640 (enum reg_class): Add NONARG_LO_REGS support.
2641 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
2642 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
2643 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
2644 completes. Re-enable HImode REG+OFFSET addresses.
2645 (LEGITIMIZE_RELOAD_ADDRESS): Define.
2647 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
2649 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
2651 * alpha.c (get_aligned_mem): Revert Sep 20 change.
2652 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
2653 (alpha_align_insns): Properly calculate initial offset wrt max_align.
2655 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
2657 * arm.c (find_barrier): Revert change of Apr 23. Handle table
2658 jumps as a single entity, taking into account the size of the
2661 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2663 * tree.def (SWITCH_EXPR): New tree node definition.
2665 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
2667 * version.c: Bump for snapshot.
2669 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
2671 * version.c: Bump for snapshot.
2673 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
2675 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
2678 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
2680 * Revert this patch.
2681 * reload.c (find_reloads): Do not replace a pseudo with
2682 (MEM (reg_equiv_addr)) in the initializing insn for the
2685 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
2687 * final.c (final_scan_insn): Disable tracking CC across branches.
2689 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2691 * expr.h (eh_rtime_match_libfunc): New extern declaration.
2692 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
2693 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
2694 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
2695 NULL. Only include <stdio.h> if inhibit_libc is not defined.
2697 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
2699 * toplev.c (rest_of_compilation): Skip compiling anything with
2700 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
2702 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
2704 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
2705 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
2706 use in_libcall_block.
2707 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
2708 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
2711 Mon Sep 21 14:02:23 1998
2713 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
2714 typo in no-fancy-math-387 description.
2716 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
2718 * version.c: Bump for snapshot.
2720 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
2722 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
2724 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
2726 * i386.h: (TARGET_SWITCHES) Add description fields for flags
2727 documented in install.texi.
2728 (TARGET_OPTIONS) Likewise.
2730 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
2732 * version.c: Bump for snapshot.
2734 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
2736 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
2737 * cccp.c (main): Likewise.
2739 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
2740 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
2743 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
2745 * Makefile.in (LIBS): Link in libiberty.a.
2746 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
2748 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
2750 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
2751 it to update bb boundaries. Update caller.
2752 * function.c (reposition_prologue_and_epilogue_notes): Update
2753 bb boundaries wrt the moved note.
2755 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
2757 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
2759 * configure: Regenerate.
2761 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
2763 * alpha.c (alpha_sr_alias_set): New variable.
2764 (override_options): Set it.
2765 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
2766 (mode_mask_operand): Fix signed-unsigned comparision warning.
2767 (alpha_expand_block_move): Likewise.
2768 (print_operand): Likewise.
2769 (get_aligned_mem): Use change_address.
2770 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
2771 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
2772 (alphaev4_next_nop, alphaev5_next_nop): New functions.
2773 (alpha_align_insns): Remade from old alphaev5_align_insns
2774 to handle multiple processors.
2775 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
2776 * output.h (label_to_alignment): Prototype.
2778 * tree.c (new_alias_set): New function.
2779 * tree.h (new_alias_set): Declare it.
2780 * c-common.c (c_get_alias_set): Use it.
2782 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
2784 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
2785 to an ABS expr, convert an unsigned input to signed.
2787 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
2789 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
2791 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2793 * configure.in: Add support for c4x targets.
2794 * configure: Rebuilt.
2796 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
2798 * combine.c (distribute_notes): If an insn is a cc0 user, only
2799 delete it if we can also delete the cc0 setter.
2801 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
2803 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
2804 (invert_truthvalue): Enable truthvalue inversion for
2805 floating-point operands if -ffast-math.
2807 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
2809 * configure.in: Disable collect2 for nextstep. Instead use
2811 * configure: Rebuilt.
2812 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
2813 (ENDFILE_SPEC): Define.
2814 (OBJECT_FORMAT_MACHO): Define.
2815 (EH_FRAME_SECTION_ASM_OP): Define.
2816 * crtstuff.c: Handle MACHO.
2818 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
2820 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
2822 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
2824 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
2825 (_fpadd_parts): Get sign right for 0.
2827 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2829 * ginclude/varargs.h: Add support for C4x target.
2830 * ginclude/stdargs.h: Likewise.
2832 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
2834 * alpha.c (alpha_return_addr): SET should be VOIDmode.
2835 (alpha_emit_set_long_const): Rewrite to be callable from reload
2837 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
2838 * alpha.md (movdi): Likewise.
2840 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
2842 * arm.c (add_constant): New parameter address_only, change caller.
2843 Set it non-zero if taking the address of an item in the pool.
2844 (arm_reorg): Handle cases where we need the address of an item in
2847 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
2849 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
2850 memory addresses that are not in standard canonical form.
2852 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
2854 * README.C4X: New file with information about the c4x ports.
2855 * ginclude/va-c4x.h: New file for c4x varargs support.
2856 * config/c4x: New directory with c4x port files.
2858 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
2860 * reload.c (find_reloads): Do not replace a pseudo with
2861 (MEM (reg_equiv_addr)) in the initializing insn for the
2864 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
2866 * toplev.c (rest_of_compilation): Set bct_p on second call to
2868 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
2870 (strength_reduce): Only call analyze_loop_iterations and
2871 insert_bct if bct_p set.
2872 (check_dbra_loop): Fix typo.
2873 (insert_bct): Use word_mode instead of SImode.
2874 (instrument_loop_bct): Likewise. Do not delete iteration count
2875 condition code generation insn. Initialize iteration count before
2877 * rtl.h (loop_optimize): Update prototype.
2879 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
2880 not doubleword aligned.
2882 * rs6000.c (optimization_options): New function.
2883 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
2884 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
2885 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
2886 first; cr1 can be used for FP record condition insns.
2888 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
2890 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
2893 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
2896 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
2898 (block_move_call): New function: Call a library routine to copy a
2900 (m32r_expand_block_move): New function: Expand a "movstrsi"
2901 pattern into a sequence of insns.
2902 (m32r_output_block_move): New function: Expand a
2903 "movstrsi_internal" pattern into a sequence of assembler opcodes.
2904 (m32r_block_immediate_operand): New function: Return true if the
2905 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
2907 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2909 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
2911 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
2913 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2915 * regmove.c (copy_src_to_dest): Check that modes match.
2917 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
2919 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
2921 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
2923 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
2924 narrower than FLOAT_REGS.
2926 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2928 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
2930 * Makefile.in (old_gxx_include_dir): removed
2932 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
2934 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
2937 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
2938 (sh_handle_pragma): Change function arguments to match new
2939 specification for HANDLE_PRAGMA.
2941 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2943 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
2945 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
2946 When generating output, initialize missing struct member to zero.
2948 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2950 * regmove.c (copy_src_to_dest): Don't copy if that requires
2951 (a) new register(s).
2953 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2955 * global.c (reg_allocno): Now static.
2956 * reload1.c (reg_allocno): Delete declaration.
2957 (order_regs_for_reload): Take no arguments. Don't treat regs
2958 allocated by global differently than those allocated by local-alloc.
2960 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
2962 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
2963 condition, fix format strings.
2964 (output_function_epilogue): Likewise.
2966 * m68k/m68k.c: Don't include <stdlib.h> directly.
2968 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
2970 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
2971 mem_first_set, mem_last_set; because 0 can be a CUID.
2972 (oprs_unchanged_p): Use new definition.
2973 (record_last_reg_set_info): Likewise.
2974 (record_last_mem_set_info): Likewise.
2975 (compute_hash_table): Likewise.
2977 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
2979 * rs6000.c (output_epilogue): Handle Chill.
2981 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
2982 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
2984 * combine.c (make_extraction): If no mode is specified for
2985 an operand of insv, extv, or extzv, default it to word_mode.
2986 (simplify_comparison): Similarly.
2987 * expmed.c (store_bit_field): Similarly.
2988 (extract_bit_field): Similarly.
2989 * function.c (fixup_var_regs_1): Similarly.
2990 * recog.c (validate_replace_rtx_1): Similarly.
2991 * mips.md (extv, extzv, insv expanders): Default modes for most
2992 operands. Handle TARGET_64BIT.
2993 (movdi_uld, movdi_usd): New patterns.
2995 * pa.c (emit_move_sequence): Do not replace a pseudo with its
2996 equivalent memory location unless we have been provided a scratch
2997 register. Similarly do not call find_replacement unless a
2998 scratch register has been provided.
3000 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3002 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
3005 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
3007 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
3008 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
3009 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
3010 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
3011 * c-decl.c (init_decl_processing): Update accordingly.
3012 * expr.c (expand_builtin): Likewise.
3014 * rtl.h (global_rtl): Add cfa entry.
3015 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
3016 (LAST_VIRTUAL_REGISTER): Update.
3017 * emit-rtl.c (global_rtl): Add cfa entry.
3018 (init_emit): Initialize it.
3019 * function.c (cfa_offset): New.
3020 (instantiate_virtual_regs): Initialize it.
3021 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
3022 (expand_function_end): Call expand_eh_return.
3023 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
3025 * except.c (current_function_eh_stub_label): Kill.
3026 (current_function_eh_old_stub_label): Likwise; update all references.
3027 (expand_builtin_set_return_addr_reg): Kill.
3028 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
3029 (expand_builtin_set_eh_regs): Kill.
3030 (eh_regs): Produce a third reg for the actual handler address.
3031 (eh_return_context, eh_return_stack_adjust): New.
3032 (eh_return_handler, eh_return_stub_label): New.
3033 (init_eh_for_function): Initialize them.
3034 (expand_builtin_eh_return, expand_eh_return): New.
3035 * except.h: Update prototypes.
3036 * flow.c (find_basic_blocks_1): Update references to the stub label.
3037 * function.h (struct function): Kill stub label elements.
3039 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
3040 register number is one that would be in the previous window.
3041 Provide a dummy definition for non-windowed targets.
3042 (get_reg_addr): New function.
3043 (get_reg, put_reg, copy_reg): Use it.
3044 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
3045 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
3047 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
3048 (alpha_init_expanders): Initialize it.
3049 (alpha_expand_epilogue): Use it.
3050 * alpha.h: Declare it.
3051 * alpha.md (eh_epilogue): New.
3053 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
3054 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
3056 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
3058 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
3061 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3063 * except.h (struct eh_entry): Add false_label field.
3064 (end_catch_handler): Add prototype.
3065 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
3066 (start_catch_handler): When using old style exceptions, issue
3067 runtime typematch code before continuing with the handler.
3068 (end_catch_handler): New function, generates label after handler
3069 if needed by older style exceptions.
3070 (expand_start_all_catch): No need to check for new style exceptions.
3071 (output_exception_table_entry): Only output the first handler label
3072 for old style exceptions.
3073 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
3074 mechanism into one function, if a runtime matcher is provided.
3076 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3078 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
3080 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
3082 * integrate.c (copy_decl_list): Fix typo.
3084 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3086 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
3089 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
3091 * version.c: Bump for snapshot.
3093 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
3095 * version.c: Bump for snapshot.
3097 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
3099 * version.c: Bump for snapshot.
3101 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3103 * invoke.texi (C Dialect Options): Put back missing @end itemize.
3105 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3107 * configure.in: remove usage of `!' to negate the result of a
3108 command; some common shells do not support it
3110 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3112 * configure.in: in sparc9-sol2 config, use 'if test' not
3114 * configure: Rebuilt.
3116 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
3118 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
3119 (CPP_CPU_DEFAULT_SPEC): Likewise.
3120 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
3121 for arch64 libfuncs.
3123 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
3126 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3128 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
3130 * collect2.c: Don't declare `sys_siglist' here.
3131 (my_strsignal): Prototype and define new function. Use it in
3132 place of `sys_siglist' hacks.
3134 * mips_tfile.c: Likewise.
3136 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
3137 (GCC_NEED_DECLARATIONS): Likewise.
3139 * system.h (strsignal): Prototype it, if necessary.
3140 (sys_siglist): Declare it, if necessary.
3142 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3144 * loop.c (move_movables): While removing insn sequences, preserve
3145 the next pointer of the most recently deleted insn when we skip
3148 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
3150 * objc/config-lang.in: Do not output the name of the selected
3151 thread file when building the front-end. The Makefile for the
3152 runtime library will do this.
3154 * objc/Make-lang.in: Do not build the runtime library or install
3155 the Objective C header files. The Makefile for the runtime
3156 library will do this.
3158 * objc/Makefile.in (all.indirect): Only build the front-end.
3159 (compiler): Rename to `frontend'.
3160 (obj-runtime): Remove target.
3161 (copy-headers): Likewise.
3162 (clean): No need to remove `libobjc.a' any longer.
3164 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
3166 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
3167 supported with -mcpu=xxx.
3169 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3171 * flow.c (mark_set_1): Recognize multi-register structure return
3172 values in CALL insns.
3173 (mark_used_regs): Likewise.
3174 (count_reg_sets_1): Likewise.
3175 (count_reg_references): Likewise.
3176 * rtlanal.c (note_stores): Likewise.
3177 (reg_overlap_mentioned_p): Likewise.
3178 * haifa-sched.c (check_live_1): Likewise.
3179 (update_live_1): Likewise.
3180 (sched_analyze_1): Likewise.
3181 (sched_note_set): Likewise.
3182 (birthing_insn_p): Likewise.
3183 (attach_deaths): Likewise.
3185 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
3188 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
3190 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
3192 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3194 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
3196 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3198 * configure.in: Add check for GAS subsection -1 support.
3199 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
3200 * configure config.in: Rebuilt.
3201 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
3202 SImode is subsection -1 works, else use DImode.
3203 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
3204 subsection -1 works.
3205 * config/sparc/sparc.c (sparc_output_addr_vec,
3206 sparc_output_addr_diff_vec): Use them if defined.
3208 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
3210 * tree.h (DECL_ORIGIN): New macro.
3211 * integrate.c (copy_and_set_decl_abstract_origin): New function.
3212 (copy_decl_list): Use it.
3213 (integrate_parm_decls): Likewise.
3214 (integrate_decl_tree): Likewise.
3215 * dwarf2out.c (decl_ultimate_origin): Simplify.
3216 * dwarfout.c (decl_ultimate_origin): Likewise.
3217 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
3218 (pushdecl): Likewise.
3220 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
3222 * config/rs6000/rs6000.c (output_epilog): Add Java support.
3224 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
3226 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
3228 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
3230 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
3231 empty or has a single entry.
3233 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
3234 before calling reg_to_stack.
3236 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
3238 * alpha.c (alphaev5_insn_pipe): Abort on default case.
3239 (alphaev5_next_group): Swallow CLOBBERs and USEs.
3241 * c-tree.h (warn_long_long): Declare it.
3243 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
3245 * emit-rtl.c (gen_lowpart_common): Disable optimization of
3246 initialized float-int union if the value is a NaN.
3248 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
3250 * c-lex.c (real_yylex): Don't warn about long long constants if
3251 we're allowing long long
3253 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3255 * except.h (current_function_eh_stub_label): Declare.
3256 (current_function_eh_old_stub_label): Declare.
3257 * function.h (struct function): New members eh_stub_label and
3259 * except.c (current_function_eh_stub_label): New variable.
3260 (current_function_eh_old_stub_label): New variable.
3261 (init_eh_for_function): Clear them.
3262 (save_eh_status): Save them.
3263 (restore_eh_status): Restore them.
3264 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
3265 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
3266 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
3267 make an edge from the block that contains it to the block starting
3268 with the label if this label is one of the eh stub labels.
3269 If eh stub labels exist, show they are reachable from the last block
3272 * reload1.c (reload): Break out several subroutines and make some
3274 (calculate_needs_all_insns): New function, broken out of reload.
3275 (calculate_needs): Likewise.
3276 (find_reload_regs): Likewise.
3277 (find_group): Likewise.
3278 (find_tworeg_group): Likewise.
3279 (something_needs_reloads): New global variable, formerly in reload.
3280 (something_needs_elimination): Likewise.
3281 (caller_save_spill_class): Likewise.
3282 (caller_save_group_size): Likewise.
3283 (max_needs): Likewise.
3284 (group_size): Likewise.
3285 (max_groups): Likewise.
3286 (max_nongroups): Likewise.
3287 (group_mode): Likewise.
3288 (max_needs_insn): Likewise.
3289 (max_groups_insn): Likewise.
3290 (max_nongroups_insn): Likewise.
3291 (failure): Likewise.
3293 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
3295 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
3297 * loop.c (load_mems): Copy rtx for output mem.
3299 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
3301 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
3302 mips1 or mips2 either.
3304 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
3306 * pa.c (pa_reorg): New marking scheme for jumps inside switch
3308 (pa_adjust_insn_length): Update to work with new marking scheme
3309 for jumps inside switch tables.
3310 * pa.md (switch_jump): Remove pattern.
3311 (jump): Handle jumps inside jump tables.
3313 * Makefile.in (profile.o): Depend on insn-config.h
3315 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
3317 * iris6.h (DWARF2_UNWIND_INFO): Undef.
3319 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3321 Add preliminary native sparcv9 Solaris support.
3322 * configure.in: Recognize sparv9-*-solaris2*
3323 * configure: rebuilt
3324 * config.sub: Recognize sparcv9 just like sparc64.
3325 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
3326 config/sparc/sol2-cn.asm: Macroize so it can be shared between
3327 32-bit and 64-bit Solaris systems.
3328 * config/sparc/t-sol2: Assemble those with cpp.
3329 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
3330 (*TF*_LIBCALL): If ARCH64 use V9 names.
3331 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
3333 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3335 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
3336 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
3338 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
3340 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
3341 to Pmode if CASE_VECTOR_MODE is something else.
3343 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
3345 * prefix.c (update_path): Correctly handle cases where PATH is
3346 a substring of the builtin prefix, but specifies a different
3349 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
3351 * expr.c: Corrected comment about what MOVE_RATIO does.
3352 * config/alpha/alpha.h: Ditto.
3353 * config/1750a/1750a.h: Ditto.
3354 * config/clipper/clipper.h: Ditto.
3355 * config/i386/i386.h: Ditto.
3357 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
3359 * configure.in (m68k-next-nextstep3*): Use collect2.
3360 Similarly for x86 NeXT configurations.
3361 * configure: Rebuilt.
3363 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
3365 * configure.in: Don't assume srcdir is .../gcc
3366 * configure: Rebuilt.
3368 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
3370 * global.c: Update comments.
3371 (global_alloc): Assign allocation-numbers
3372 even for registers allocated by local_alloc in case
3373 they are later spilled and retry_global_alloc is called.
3374 (mark_reg_store, mark_reg_clobber,
3375 mark_reg_conflicts, mark_reg_death): Always record a
3376 conflict with a pseudo register even if it has been
3377 assigned to a hard register.
3378 (dump_conflicts): Don't list pseudo registers already assigned to
3379 a hard register as needing to be allocated, but do list their
3381 * local-alloc.c: Update comment.
3383 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
3385 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
3386 * configure: Rebuilt.
3388 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
3390 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
3392 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
3393 for all targets that set -msoft-float.
3395 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3397 * toplev.c (print_switch_values): Make static to match prototype.
3399 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
3401 * configure.in: If we are unable to find the "gnatbind" program,
3402 then do not configure the ada subdir.
3403 * configure: Rebuilt.
3405 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
3407 * version.c: Bump for snapshot.
3409 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
3411 * version.c: Bump for snapshot.
3413 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3415 * Makefile.in (toplev.o): Depend on $(EXPR_H).
3416 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
3418 * gansidecl.h: Define ATTRIBUTE_NORETURN.
3420 * genattrtab.c: Have insn-attrtab.c include toplev.h.
3422 * genextract.c: Have insn-extract.c include toplev.h.
3424 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
3426 * toplev.c: Include expr.h.
3427 (really_sorry, fancy_abort): Remove prototypes.
3428 (set_target_switch): Add argument in prototype.
3429 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
3430 (v_really_sorry): Likewise.
3431 (print_version, print_single_switch, print_switch_values): Make
3432 static and add prototype arguments.
3433 (decl_printable_name): Add prototype arguments.
3434 (lang_expand_expr_t): New typedef.
3435 (lang_expand_expr): Declare as a lang_expand_expr_t.
3436 (incomplete_decl_finalize_hook): Add prototype argument.
3437 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
3438 (botch): Likewise for variable `s'.
3439 (rest_of_type_compilation): Mark variables `type' and `toplev'
3440 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
3441 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
3442 (display_help): Make variable `i' an `unsigned long'.
3443 (main): Remove unused parameter `envp'.
3444 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
3445 Cast -1 when comparing it with a `size_t'.
3447 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
3448 prototype with ATTRIBUTE_NORETURN.
3449 (fatal_insn_not_found, fatal_insn, really_sorry,
3450 push_float_handler, pop_float_handler): Add prototypes.
3451 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
3452 (do_abort, botch): Add prototypes.
3454 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
3456 * final.c (final): If a label is reached only from a single jump,
3457 call NOTICE_UPDATE_CC on the jump and its predecessor before
3458 emitting the insn after the label.
3460 * i386.h: Add AMD K6 support.
3461 Change TARGET_* macros to use table lookup.
3462 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
3463 (ADJUST_COST): Change definition to call function in i386.c.
3464 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
3465 * i386.c: Add AMD K6 support.
3466 Add constants for feature tests used by TARGET_* macros.
3467 (split_di): If before reload, call gen_lowpart and gen_highpart.
3468 (x86_adjust_cost): New function.
3469 (put_jump_code): New function.
3470 (print_operand): New codes 'D' and 'd'.
3471 * i386.md: New insn types. New insn attribute "memory".
3472 Redefine scheduling parameters to use new types and add AMD K6
3473 support. Explicitly set type of most insns.
3474 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
3475 Pro and K6 prefer movl $1,reg to incl reg.
3476 (adddi3, subdi3): Set cc_status.
3477 (DImode shift patterns): Change label counters from HOST_WIDE_INT
3478 to int; x86 can't have more than 2^31 DImode shifts per file.
3479 (setcc): Combine all setcc patterns. Allow writing memory.
3480 Combine all jump patterns using match_operator.
3481 (*bzero): Name pattern. Emit mutliple stos instructions when that
3482 is faster than rep stos.
3483 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
3486 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
3488 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
3491 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
3493 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
3494 not whatever we're generating now.
3496 * alpha.c (set_frame_related_p, FRP): New.
3497 (alpha_expand_prologue): Mark frame related insns.
3498 (alpha_expand_epilogue): Likewise, but with a null FRP.
3499 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
3500 * alpha.md (exception_receiver): New.
3501 * alpha/crtbegin.asm (.eh_frame): New beginning.
3502 (__do_frame_setup, __do_frame_takedown): New.
3503 * alpha/crtend.asm (.eh_frame): New ending.
3504 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
3505 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
3506 (ASM_FILE_START): Don't emit .file for dwarf2.
3508 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
3509 * rtl.c (reg_note_name): Likewise.
3510 * rtl.texi (REG_NOTES): Likewise.
3511 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
3514 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
3516 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
3517 * i386.md (movsf, movdf, movxf): Validate memory address returned
3518 from force_const_mem. Kill useless REG_EQUAL setting code.
3520 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
3522 * m68k.md (zero_extendsidi2): Fix typo.
3524 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
3526 * configure.in: Removed references to the removed file
3527 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
3528 * arm*-*-netbsd* and ns32k-*-netbsd*.
3529 * config/i386/xm-netbsd.h: Removed unnecessary file.
3530 * config/m68k/xm-netbsd.h: Likewise.
3531 * config/sparc/xm-netbsd.h: Likewise.
3532 * config/mips/xm-netbsd.h: Likewise.
3534 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
3536 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
3537 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
3539 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
3540 for exact section attributions.
3542 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
3544 * i386/crtdll.h (CPP_PREDEFINES): Define.
3546 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
3548 * m68k.md (5200 movqi): Do not allow byte sized memory references
3550 * m68k.c (output_move_qimode): Do not use byte sized operations on
3553 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
3554 explicit rules for building. Similarly for alloca, vfprintf,
3555 choose-temp and mkstemp, getopt, getopt1, and obstack.
3556 (INCLUDES): Add $(srcdir)/../include.
3557 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
3558 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
3560 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
3562 * gcc.c (do_spec_1): [case 'o'] Account for
3563 lang_specific_extra_outfiles.
3564 (main): Correctly clear all slots in outfiles for
3565 lang_specific_extra_outfiles. Set input_file_number before
3566 calling lang_specific_pre_link.
3568 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
3570 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
3572 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3574 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
3576 (sparc_output_deferred_case_vectors): If no work to do, return.
3577 Fix thinko in Sept 1 change.
3579 1998-09-03 SL Baur <steve@altair.xemacs.org>
3581 * Makefile.in: add semicolon in BISON definition for portability.
3583 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
3585 * config/nextstep.c (handle_pragma): Correct name of third
3588 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
3590 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
3591 * config/m32r/m32r.h: Make register 17 be fixed.
3592 * config/m32r/m32r.c: Use SImode for cc operations.
3594 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
3596 * invoke.texi (Warning Options): Add -Wnon-template-friend
3599 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
3601 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
3603 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
3605 * rs6000.md (movsf): Disable explicit secondary-reload-like
3606 functionality if TARGET_POWERPC64.
3607 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
3610 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
3612 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
3613 and term.h from fixinc.wrap.
3615 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3617 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
3618 safe to include both string.h and strings.h together.
3619 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
3620 which headers to search for function declarations. Continue to
3621 prefer string.h over strings.h when both are not acceptable.
3623 * acconfig.h (STRING_WITH_STRINGS): Add stub.
3625 * configure.in: Call GCC_HEADER_STRING.
3627 * system.h: Test STRING_WITH_STRINGS when deciding which headers
3628 to include. Continue to prefer string.h over strings.h when both
3631 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3633 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
3634 not assume top 32-bits of symbolic addresses are zero if
3637 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
3639 * ginclude/va-alpha.h: Protect entire second portion of the
3640 file against double inclusion.
3642 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
3644 Added support for the Boehm's garbage collector.
3645 * configure.in: Handle --enable-objc-gc.
3646 * configure: Rebuilt.
3647 * Makefile.in (CHECK_TARGETS): Add check-objc.
3648 (check-objc): New rule.
3649 * objc/Make-lang.in: Build a different Objective-C library that
3650 runs with the Boehm's collector.
3651 * objc/encoding.c (objc_round_acc_size_for_types): New function.
3652 * objc/encoding.c: Correctly compute the size of compound types in
3653 the presence of bitfields. Skip the variable name of the type if
3654 any. Added support for long long.
3655 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
3656 (_F_GCINVISIBLE): New mask.
3657 * objc/gc.c: New file. Compute the type memory mask associated with
3658 a class based on the runtime information.
3659 * objc/misc.c: Added the hooks that use the Boehm's collector
3660 allocation functions.
3661 * objc/objc-act.c (build_class_template): Generate a new class
3662 member (gc_object_type) to hold the class' type memory mask.
3663 (build_shared_structure_initializer): Initialize the new member to
3665 (encode_complete_bitfield): New function. Generate the new
3667 (encode_field_decl): Generate the new encoding only for the GNU
3669 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
3671 (class_get_gc_object_type): New function to mark a pointer instance
3672 variable as a weak pointer.
3673 * objc/objc-features.texi: New file.
3674 * objc/objc.h (gc_object_type): New class member.
3675 * objc/objects.c (class_create_instance): Create a typed memory
3676 object when compiled with Boehm's collector support.
3677 * objc/sendmsg.c (__objc_init_install_dtable): Call
3678 __objc_send_initialize instead of setting the initialize flag.
3679 (__objc_send_initialize): Call __objc_generate_gc_type_description
3680 to generate the class type memory mask. Rewrite the code that
3681 sends the +initialize so that it is called only once (bug report
3682 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
3683 * testsuite/objc: New testsuite for Objective-C type encoding.
3684 * testsuite/lib/objc-torture.exp: New file.
3685 * testsuite/lib/objc.exp: New file.
3687 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
3689 * jump.c (jump_optimize): In if/then/else transformations, add
3690 another call to modified_between_p for the jump insn.
3692 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
3694 * fix-header.c (symlink): Treat like readlink.
3696 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3698 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
3701 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
3703 * config/nextstep.h: Update HANDLE_PRAGMA macro.
3704 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
3705 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
3707 * config/nextstep.c (handle_pragma): Take three arguments, as per
3708 the new HANDLE_PRAGMA macro specification.
3709 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
3710 per the new HANDLE_PRAGMA macro specification.
3711 * config/i960/i960.c (process_pragma): Take three arguments, as
3712 per the new HANDLE_PRAGMA macro specification.
3714 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
3716 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
3717 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
3718 if unknown pragmas are encountered.
3719 (handle_sysv_pragma): Interpret return code from
3720 handle_pragma_token (). Return success/failure indication rather
3721 than next unprocessed character.
3722 (pragma_getc): New function: retrieves characters from the
3723 input stream. Defined when HANDLE_PRAGMA is enabled.
3724 (pragma_ungetc): New function: replaces characters back into the
3725 input stream. Defined when HANDLE_PRAGMA is enabled.
3727 * c-pragma.c (handle_pragma_token): Return success/failure status
3730 * c-pragma.h: Change prototype of handle_pragma_token().
3732 * varasm.c: (handle_pragma_weak): Only create this function if
3733 HANDLE_PRAGMA_WEAK is defined.
3735 * c-common,c (decl_attributes): If defined call the expression
3736 contained within the INSERT_ATTRIBUTES macro before adding
3737 attributes to a decl.
3739 * tm.texi (HANDLE_PRAGMA): Document the new verion of
3740 HANDLE_PRAGMA, which takes three arguments.
3741 (INSERT_ATTRIBUTES): Document this new macro.
3743 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
3744 new INSERT_ATTRIBUTES macro.
3746 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3748 * config/sparc/sparc.md (movdf): Only generate special RTL for
3749 LABEL_REFs when PIC.
3750 (move_label_di): Remove
3751 (movdi_pic_label_ref, movdi_high_pic_label_ref,
3752 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
3753 references when PIC.
3754 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
3755 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
3756 output an .xword for all 64-bit cases.
3758 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3760 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
3761 alignment, use FUNCTION_BOUNDARY instead.
3762 (sparc_output_deferred_case_vectors): Likewise.
3764 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3766 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
3767 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
3769 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
3771 * alpha/va_list.h: New file.
3772 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
3774 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
3776 * NEWS: Add SCO Openserver and Unixware 7 notes.
3780 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
3782 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
3783 (record_constant_1): Handle RANGE_EXPR.
3785 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
3787 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
3788 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
3789 and NOTE_INSN_RANGE_END specially.
3790 (reemit_notes): Likewise.
3792 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3794 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
3795 (ultrasparc_sched_init): Remove unneeded &.
3797 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3799 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
3800 for m68020-60, to prevent the use of fintrz.
3802 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
3804 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
3806 * Makefile.in: Likewise.
3807 * configure: Regenerated.
3809 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
3811 * configure.in (gxx_include_dir): Changed to
3812 '${prefix}/include/g++'-${libstdcxx_interface}.
3813 * configure: Rebuilt.
3815 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
3817 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
3819 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
3820 *sequences* *below* which scalar moves will be used.
3822 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
3824 * collect2.c (mktemp): Delete unused declaration.
3826 * config/xm-netbsd.h: Remove unnecessary file.
3827 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
3828 file anymore, it is not needed.
3830 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
3832 * convert.c (convert_to_integer): Issue an error on conversions to
3835 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
3837 * Makefile.in: Add lang_tree_files and gencheck.h.
3838 * configure.in: Generate them.
3839 * gencheck.c: Include gencheck.h.
3841 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3843 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
3844 movdi_lo_sum_pic and movdi_high_pic and make visible.
3845 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
3846 emit these when Pmode is not SImode.
3847 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
3849 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
3851 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
3852 .linkonce directive after the first time.
3854 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
3856 * m68k.md (beq0_di): Generate correct (and more efficient) code when
3857 the clobbered operand overlaps with an input.
3858 (bne0_di): Similarly.
3860 * Makefile.in (INSTALL): Remove "--no-header" argument.
3862 * NEWS: Various updates.
3864 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3866 * config/sparc/sparc.c (arith_operand, const64_operand,
3867 const64_high_operand, arith_double_4096_operand): Mark mode as
3869 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
3871 (sparc_emit_set_const64): Remove unused variable i.
3872 (sparc_splitdi_legitimate): Likewise for addr_part.
3873 (ultra_code_from_mask): Likewise for mask.
3874 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
3875 reverse return values so it matches usage and comments.
3876 (ultra_flush_pipeline): Likewise.
3877 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
3878 this_type, and allow loads and stores of differing FP modes as
3879 they do not create a conflict.
3880 (ultra_find_type): Initialize fpmode to SFmode, fix
3881 parenthesization thinkos in large conditional.
3882 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
3883 Init free_slot_mask after ultra_cur_hist is reset, not before.
3884 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
3885 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
3886 use ultra_flush_pipeline instead, then re-init group pointer.
3887 Fix statement with no effect. If no progress made in, and no
3888 instructions scheduled at all, advance to new pipeline cycle else
3889 we get into an endless loop.
3890 (ultrasparc_adjust_cost): Remove previous arg.
3891 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
3893 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
3895 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
3896 code. Use reg_overlap_mentioned_p to detect when source and
3897 destination overlap.
3898 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
3900 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
3902 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
3903 COMPARISON_VAL, into invariant_p.
3905 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3907 * regmove.c (regclass_compatible_p): New function.
3908 (regmove_optimize): Use it.
3910 Use NREGS parameter insted of calling max_reg_num.
3912 (fixup_match_1): Don't use code = MINUS when later tieing with
3913 a hard register is likely.
3915 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3917 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
3918 COMPARISON_VAL was normalized.
3920 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
3922 * loop.c (check_dbra_loop): The loop ending comparison value
3923 must be an invariant or we can not reverse the loop.
3925 * loop.c (scan_loop): Count down from max_reg_num - 1 to
3926 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
3928 (load_mems_and_recount_loop_regs_set): Likewise.
3930 * i386.c (print_operand): Remove obsolete 'c' docs.
3932 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
3934 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
3935 * frame.c (init_object_mutex): New function.
3936 (init_object_mutex_once): Likewise.
3937 (find_fde): Call it.
3938 (__register_frame_info): Likewise.
3939 (__register_frame_info_table): Likewise.
3940 (__deregister_frame_info): Likewise.
3942 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
3944 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
3946 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3948 * loop.c (check_dbra_loop): Enable code for reversal
3949 of some loops without a known constant loop end.
3951 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
3953 * haifa-sched.c (last_clock_var): New.
3954 (schedule_block): Initialize it.
3955 (schedule_insn): Use it to fill insn modes with issue information.
3957 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
3958 Tag trapb and next insn with TImode.
3959 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
3960 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
3961 Invoke alphaev5_align_insns as appropriate.
3962 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
3963 (MD_SCHED_VARIABLE_ISSUE): New.
3964 * alpha.md (attr type): Add multi.
3965 (define_asm_attributes): New.
3966 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
3967 (arg_home): Likewise.
3968 (fnop, unop, realign): New.
3970 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
3972 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
3973 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
3975 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
3976 (rs6000-ibm-aix4.[12]*): Likewise.
3977 * configure: Regnerate.
3979 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
3981 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
3982 already contains the return address.
3984 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
3986 * calls.c (expand_call): Use bitfield instructions to extract/deposit
3987 word sized hunks when loading unaligned args into registers.
3989 * haifa-sched.c (sched_analyze_insn): Only create scheduling
3990 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
3992 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
3994 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3996 * loop.c (check_dbra_loop): Add some code that would allow reversal
3997 of some loops without a known constant loop end if it were enabled.
3999 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
4001 * mips.md (lshrsi3_internal2+2): Fix type-o.
4003 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4005 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
4006 correctly with regards to stdio.h.
4008 * calls.c: Remove stdarg.h/varargs.h.
4011 * combine.c: Likewise.
4012 * cpperror.c: Likewise.
4013 * cpplib.c: Likewise.
4014 * cpplib.h: Likewise.
4015 * doprint.c: Likewise.
4016 * emit-rtl.c: Likewise.
4017 * final.c: Likewise.
4018 * fix-header.c: Likewise.
4020 * genattr.c: Likewise.
4021 * genattrtab.c: Likewise.
4022 * gencodes.c: Likewise.
4023 * genconfig.c: Likewise.
4024 * genemit.c: Likewise.
4025 * genextract.c: Likewise.
4026 * genflags.c: Likewise.
4027 * genopinit.c: Likewise.
4028 * genoutput.c: Likewise.
4029 * genpeep.c: Likewise.
4030 * genrecog.c: Likewise.
4031 * mips-tfile.c: Likewise.
4032 * prefix.c: Likewise.
4033 * protoize.c: Likewise.
4034 * regmove.c: Likewise.
4035 * toplev.c: Likewise.
4038 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4040 * config/sparc/sparc.c (sparc_override_options): If not
4041 TARGET_FPU, turn off TARGET_VIS.
4042 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
4043 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
4044 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
4045 (movdi_insn_sp64): Add VIS fzero alternative.
4046 (clear_sf, clear_df): New VIS patterns.
4047 (movsf, movdf expanders): Allow fp_zero_operand flat out when
4049 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
4051 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
4053 * loop.c (n_times_set, n_times_used, may_not_optimize,
4054 reg_single_usage): Convert to varrays. All uses changed.
4055 (insert_loop_mem): Return a value.
4056 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
4057 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
4060 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
4063 * configure.in: Do not set thread_file to "irix" since no such
4066 * sparc.md (float abs/neg splits): Check reload_completed before
4067 calling alter_subreg.
4069 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4071 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
4073 * config/sparc/sparc.h: Declare it.
4074 * config/sparc/sparc.md (float abs/neg splits): Use it.
4075 (all other splits): Handle SUBREGs properly where necessary.
4076 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
4078 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
4080 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
4081 an insn on the unfilled_slots_list that has no delay slots.
4082 (fill_eager_delay_slots): Similarly.
4084 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
4086 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
4087 as an ordinary operand.
4089 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
4091 * tree.c (valid_machine_attribute): Don't apply attributes to both
4094 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
4096 * reload.c (operands_match_p): Handle rtvecs.
4098 * i386.c (legitimate_pic_address_disp_p): New.
4099 (legitimate_address_p): Use it.
4100 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
4101 Handle constant pool symbols just like statics.
4102 (emit_pic_move): Use Pmode not SImode for clarity.
4103 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
4104 [UNSPEC]: New, handling what we killed above.
4105 [PLUS]: Detect and abort on invalid symbol arithmetic.
4106 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
4108 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
4110 * alias.c: Include output.h.
4111 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
4112 different if we're in a varargs function.
4113 * Makefile.in (alias.o): Depend on output.h
4115 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4117 * sh.h (GIV_SORT_CRITERION): Delete.
4119 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
4121 * regclass.c (regclass): Use xmalloc/free instead of alloca.
4122 * stupid.c (stupid_life_analysis): Ditto.
4123 * reload1.c (reload): Ditto.
4125 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4127 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
4128 arith_double_4096_operand, arith_double_add_operand): New
4130 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
4131 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
4132 them to transform add/sub 4096 into add/sub -4096.
4134 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4136 * loop.c (scan_loop): Allocate some slop to handle pseudos
4137 generated by move_movables.
4138 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
4141 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
4143 * tree.def (DECL_RESULT): Correct documentation.
4145 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4147 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
4148 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
4149 conflicts will all RELOAD_FOR_OUTPUT reloads.
4151 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
4152 loads the function result, substitute with a USE.
4154 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
4156 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
4157 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
4158 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
4159 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
4160 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
4161 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
4163 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
4164 'o' to 'm' for GPR variant constraints.
4166 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
4168 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
4170 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
4172 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
4173 when the source and destination overlap.
4175 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
4176 clash with global type.
4178 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
4180 * fixinc.irix: Add curses.h handling from fixinc.wrap.
4182 * c-common.c (combine_strings): Also set TREE_READONLY.
4183 Change warn_write_strings to flag_const_strings.
4184 * c-decl.c, c-tree.h: Likewise.
4186 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4188 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
4189 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
4190 sequence, use SET/IOR instead so CSE can see it.
4191 * config/sparc/sparc.md (movhi_const64_special,
4192 movsi_const64_special): New patterns necessitated by that change.
4193 (movhi_high): Remove.
4194 (movhi_lo_sum): Change to match an IOR.
4195 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
4196 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
4197 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
4198 (movdf splits): Allow when not V9 or when not ARCH64 and integer
4199 registers are involved.
4200 (snesi_zero_extend split): Remove reload_completed test.
4201 (unnamed plus and minus zero_extend sidi splits): Add it.
4203 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
4205 * extend.texi: Remove description of extension to explicit
4206 instantiation that is now endorsed by standard C++.
4208 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4210 * config/arc/arc.c (arc_initialize_pic): Remove.
4211 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
4212 nothing on any platform and is invoked by no-one, it does not even
4213 appear in the documentation.
4214 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
4215 * config/sparc/sparc.c (initialize_pic): Likewise.
4216 (find_addr_reg): Remove this as well, no longer referenced after
4219 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
4221 * recog.c (validate_replace_rtx_group): New function.
4222 * recog.h (validate_replace_rtx_group): Declare it.
4223 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
4224 the entire group of substitutions.
4226 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
4228 * loop.c (load_mems): Fix initializers.
4230 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4232 * config/sparc/sparc.md (TFmode splits): Handle destination
4233 registers being referenced in the address correctly.
4235 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
4236 TREE_UNSIGNED, when bitsize of type's mode is larger than
4237 HOST_BITS_PER_WIDE_INT.
4239 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4241 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
4242 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
4243 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
4245 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
4248 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
4250 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
4251 * h8300.h (TINY_DATA_NAME_P): Likewise.
4252 (STRIP_NAME_ENCODING): Handle '&'.
4254 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
4255 register (it could be accessed via an outer SUBREG).
4256 (REG_OK_FOR_BASE_P): Likewwise.
4257 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
4259 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
4262 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
4264 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4266 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
4267 must be offsettable so the splits can be made.
4269 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
4271 * config/i386/winnt.c: Include system.h, not stdio.h to get
4272 sys/param.h pulled in before rtl.h in case the system defines MIN
4275 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
4277 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
4279 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
4281 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
4283 * cpplib.c (cpp_define): Handle macros with parameters.
4285 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
4287 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
4288 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
4289 and DImode 64-bit. Use llong for minimal-toc SFmode and
4290 SYMBOL_REF / LABEL_REF 64-bit.
4291 (output_function_profiler): Use llong for profiler label and ld to
4292 load 64-bit label address.
4294 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
4296 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
4299 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
4301 * version.c: Bump for snapshot.
4303 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
4305 * version.c: Bump for snapshot.
4307 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
4309 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
4311 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
4313 * tm.texi (Misc): Fix typo "teh".
4315 * tm.texi (PIC): Fix typo "PPIC".
4317 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
4318 effect when -O2 and higher.
4319 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
4321 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
4323 * regclass.c: Changed register set documentation to be consistent
4326 * final.c (final_start_function) Removed redundant test for
4329 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
4331 * rtl.h (rtx_function): New type.
4332 (for_each_rtx): New function.
4333 * rtlanal.c (for_each_rtx): Define it.
4335 * recog.c (change_t): New type.
4336 (change_objects, change_old_codes, change_locs, change_olds):
4338 (changes): New variable.
4339 (validate_change): Dynamically allocate room for more changes, if
4340 necessary. Uses changes array instead of change_objects, etc.
4341 (apply_change_group): Use changes array instead of
4342 change_objects, etc.
4344 * loop.c (loop_mem_info): New type.
4345 (loop_mems): New variable.
4346 (loop_mems_idx): Likewise.
4347 (looop_mems_allocated): Likewise.
4348 (scan_loop): Remove nregs parameter.
4349 (next_insn_in_loop): New function.
4350 (load_mems_and_recount_loop_regs_set): Likewise.
4351 (load_mems): Likewise.
4352 (insert_loop_mem): Likewise.
4353 (replace_loop_mem): Likewise.
4354 (replace_label): Likewise.
4355 (INSN_IN_RANGE_P): New macro.
4356 (loop_optimize): Don't pass max_reg_num() to scan_loop.
4357 (scan_loop): Remove nregs parameter, compute it after any new
4358 registers are created by load_mems. Use INSN_IN_RANGE_P and
4359 next_insn_in_loop rather than expanding them inline. Call
4360 load_mems to load memory into pseudos, if appropriate.
4361 (prescan_loop): Figure out whether or not there are jumps from the
4362 loop to targets other than the label immediately following the
4363 loop. Call insert_loop_mem to notice all the MEMs used in the
4364 loop, if it could be safe to pull MEMs into REGs for the duration
4366 (strength_reduce): Use next_insn_in_loop. Tweak comments.
4368 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
4370 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
4372 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4374 * config/sparc/sparc.c (finalize_pic): Check for the correct
4375 nonlocal_goto_receiver UNSPEC number.
4376 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
4377 making note of this dependency existing in sparc.c
4378 (negtf2_notv9 split): Give NEG SFmode.
4379 (negsf2): Fix insn output string.
4381 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
4383 * c-common.c (decl_attributes): Issue an error if the argument
4384 to alias is not a string.
4386 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
4388 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
4389 pending memory flush list.
4391 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
4393 (try_combine): Allow combining insns with REG_LIBCALL notes.
4395 * expr.c (emit_block_move): Do not call memcpy as a libcall
4396 instead build up a CALL_EXPR and call it like any other
4398 (clear_storage): Similarly for memset.
4400 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
4403 * Makefile.in (cplus-dem.o): Provide explicit rules for building
4406 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
4407 and REG_LIVE_LENGTH as successful substitutions are made.
4409 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4411 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
4412 statement after end of loop label.
4414 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4416 * config/sparc/sparc.c (ultra_types_avail): New variable.
4417 (ultra_build_types_avail): New function to record mask of insn
4418 types in ready list at this cycle.
4419 (ultrasparc_sched_reorder): Call it.
4420 (ultra_find_type): Use it to quicken the search. Also simplif
4421 dependency check, don't use rtx_equal_p because we know exactly
4422 what we are looking for.
4424 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
4426 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
4427 for architecture v4.
4429 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4431 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
4433 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
4434 movdf_const_intreg and helper splits): New patterns to move float
4435 constants into integer registers.
4436 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
4439 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
4442 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
4444 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
4446 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
4447 a BASE_REGS register is needed as an intermediate when copying
4448 a symbolic value into any register class other than BASE_REGS.
4450 * expr.c (move_by_pieces): No longer static. Remove prototype.
4451 * rtl.h (move_by_pieces): Add extern prototype.
4452 * mips.c (expand_block_move): Handle aligned straight line copy by
4453 calling move_by_pieces.
4455 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
4458 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
4460 * stmt.c (expand_end_loop): Tidy. Allow unconditional
4461 jumps out of the loop to be treated as part of the exit test.
4463 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4464 Jeff Law <law@cygnus.com>
4466 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
4467 * cplus-dem.c: Delete.
4469 * Makefile.in (fold-const.o): depend on $(RTL_H).
4471 * fold-const.c: Include rtl.h to get the prototype for
4472 `set_identifier_local_value'.
4474 * loop.c (express_from_1): Remove unused variable `tmp'.
4475 (combine_givs): cast the first argument of bzero to char *.
4477 * toplev.c (display_help): Remove unused variable `looking_for_start'.
4479 * c-decl.c (init_decl_processing): Remove unneeded &.
4481 * alpha.h (alpha_initialize_trampoline): Provide prototype.
4483 * except.c (set_exception_lang_code, set_exception_version_code):
4484 Change parameter from `short' to `int' to avoid using a gcc
4487 * except.h (set_exception_lang_code, set_exception_version_code):
4488 Likewise for prototypes.
4490 * flow.c (count_reg_references): Remove unused variables `regno'
4493 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
4495 * prefix.c (translate_name): Cast the result of `alloca'.
4497 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
4499 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4501 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
4503 (valid_dbcc_comparison_p): Mark mode argument as unused.
4504 (symbolic_operand): Likewise.
4505 (legitimize_pic_address): Likewise.
4506 (const_uint32_operand): Likewise.
4507 (const_sint32_operand): Likewise.
4508 * sched.c [!INSN_SCHEDULING]: Define only dummy function
4509 schedule_insns and comment out rest of file.
4511 * m68k.c (output_move_simode_const): Use subl to move a zero into an
4513 (output_move_[hq]imode): Likewise.
4515 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
4517 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
4518 * invoke.texi: Corresponding changes.
4520 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
4522 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
4524 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4526 * config/sparc/sparc.c (ultra_code_from_mask,
4527 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
4528 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
4529 ultrasparc_sched_init, ultrasparc_variable_issue,
4530 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
4531 functions to describe UltraSPARC pipeline exactly to Haifa.
4532 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
4533 as there is nothing the scheduler can do about it. Indicate that
4534 REG_DEP_OUTPUT's collide. Fixup formatting.
4535 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
4536 divide costs on Ultra for DImode.
4537 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
4539 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
4540 ieuN and add call_no_delay_slot to type list.
4541 (cti function unit): New unit for branches on UltraSPARC.
4542 (subx/addx insns): Set type to misc.
4543 (sidi zero/sign extension insns on arch64): Set type to shift.
4544 (sign_extendhidi2_insn): Set type to sload.
4546 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
4548 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
4549 (output_epilog): Use if != 0 for offset.
4550 (rs6000_fatal_bad_address): Prepare for Intl.
4551 * rs6000.h (rs6000_fatal_bad_address): Declare.
4552 * rs6000.md (movsfcc, movdfcc): Use else if.
4553 (elf_high): Use {liu|lis}.
4554 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
4555 (movsi): Use rs6000_fatal_bad_address.
4557 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
4559 * reload.c (find_equiv_reg): Reject equivalences separated
4560 by a volatile instruction.
4562 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4564 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
4566 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
4568 * alpha.md (movsicc): Fix mode mismatch.
4570 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
4572 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
4574 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
4576 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4578 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
4579 write-only modifier from operand 1 constraint.
4581 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4583 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
4584 emitting a XOR of -1 at the end, emit a NOT instead for combine's
4586 (sparc_emit_set_const64): Likewise, also when computing trailing
4587 bits do not negate low_bits and make fast_int an int.
4589 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
4591 * loop.c (add_label_notes): Do not ignore references to labels
4592 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
4593 * gcse.c (add_label_notes): Similarly.
4595 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
4597 * m68k.md (adddi_dilshr32): One of the operands must be a register.
4598 (adddi_dishl32): Similarly.
4600 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
4602 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
4603 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
4604 * cse.c (cse_basic_block): Add parens to shut up warnings.
4606 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4608 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
4609 sparc_emit_set_const64_longway, const64_is_2insns,
4610 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
4611 in 64-bit constant formation.
4612 * config/sparc/sparc.md (snesi_zero_extend split): Generate
4613 rtl for addx not subx.
4614 (define_insn movdi_const64_special): Make available even when
4615 HOST_BITS_PER_WIDE_INT is not 64.
4616 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
4617 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
4618 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
4619 instances of operand 1 inside a QI subreg.
4620 (xordi3_sp64_dbl): Remove '%' constraint for op1.
4621 (one_cmpldi2_sp64): Fix output string.
4622 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
4624 (unnamed arch64 ashift DI): Truncate shift count if greater than
4627 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4629 * expr.c (store_expr): Don't optimize away load-store pair
4630 when either source or destination have a side effect.
4632 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
4634 * genrecog.c (add_to_sequence): Fatal error if the modes of the
4635 operands of SET are incompatible.
4637 * alpha.md: Fix max and min patterns so modes of SET operands match.
4639 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
4641 * configure.in: Avoid [[ by using test and changequote.
4642 * configure: Rebuild.
4644 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4646 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
4648 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
4649 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
4650 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
4651 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
4652 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
4653 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
4654 Fix mismatching modes in SET operands.
4655 (conditional move patterns): Fix formatting.
4656 (unnamed subx arch64 pattern): Remove duplicate insn.
4658 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4660 * config/sparc/sparc.c (const64_operand, const64_high_operand):
4661 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
4662 (input_operand): Fixup test for what we accept for constant
4664 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
4666 (safe_constDI): Remove.
4667 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
4668 gen_safe_XOR64): New functions.
4669 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
4670 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
4672 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
4673 available when HOST_BITS_PER_WIDE_INT is not 64.
4674 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
4675 move before movdi_insn_sp64 pattern.
4676 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
4677 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
4678 symbolic_operand as predicate for second operand.
4679 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
4680 expander): Give set VOIDmode.
4682 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
4684 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
4686 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
4688 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
4690 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
4692 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
4694 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
4696 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
4698 * install.texi: Various SCO OpenServer tweaks.
4700 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
4702 * reload1.c (eliminate_regs_in_insn): Handle another case when
4703 eliminating the frame pointer to the hard frame pointer. Add
4704 missing ep->to_rtx check to one existing case.
4706 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
4708 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
4710 * tree.h: De-conditionalize init_priority code.
4712 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
4713 * collect2.c (NM_FLAGS): Change from -p to -n.
4715 * configure.in: Turn on collect2 for mipstx39-elf.
4716 Handle use_collect2=no properly.
4718 * c-common.c: De-conditionalize init_priority code.
4719 * collect2.c (extract_init_priority, sort_ids): New fns.
4720 (main): Call sort_ids.
4721 Move sequence_number to file scope.
4723 * configure.in: Handle --enable-init-priority.
4724 * c-common.c (attrs): Add A_INIT_PRIORITY.
4725 (init_attributes, decl_attributes): Likewise.
4726 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
4727 * tree.c (get_file_function_name_long): Split out...
4728 (get_file_function_name): ...from here.
4730 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
4732 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
4735 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
4737 * toplev.c (display_help): Add braces to shut up warnings.
4738 * tree.c (simple_cst_equal): Likewise.
4740 * fold-const.c (non_lvalue): Don't deal with null pointer
4742 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
4744 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
4745 of any size to a pointer.
4747 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
4749 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
4751 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
4753 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
4754 which will be saved.
4755 * mn10300.md (prologue insn): Only save registers which need saving.
4756 (epilogue insn): Similarly.
4758 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
4761 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
4763 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
4764 VAR_DECL's in gp addressable sections.
4766 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
4768 * sparc.c: Change return <exp> to <exp>; return; in functions
4770 * sparc.md: Add empty semicolon statement after final label in
4773 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4775 * config/sparc/sparc.md (define_insn addx_extend): Rename to
4776 addx_extend_sp64, only allow when TARGET_ARCH64.
4777 (define_insn addx_extend_sp32 and split): Version that works when
4779 (define_insn subx_extend): Likewise.
4780 (define_split adddi3 and subdi3 with zero extension): Fixup and
4781 correct bugs when not TARGET_ARCH64.
4783 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
4785 * except.c (set_exception_lang_code, set_exception_version_code):
4786 Use prototype-style definition if __STDC__, to match declaration
4789 * genemit.c: Change FAIL and DONE macros not to use loops.
4791 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
4793 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
4794 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
4796 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
4798 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
4800 * README.g77: Update from Craig.
4802 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4804 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
4806 (safe_constDI sparc_emit_set_const64_quick1,
4807 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
4808 analyze_64bit_constant, const64_is_2insns,
4809 create_simple_focus_bits): Fix some bugs when compiled on real
4811 (function_arg_record_value_3, function_arg_record_value_2,
4812 function_arg_record_value): Add fully prototyped forward decls.
4813 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
4814 to cmpsi_insn and use on both 64 and 32 bit targets.
4815 (define_insn cmpsi_insn_sp64): Remove.
4816 (define_expand zero_extendsidi2): Allow for 32-bit target too.
4817 (define_insn zero_extendsidi2_insn): Rename to
4818 zero_extendsidi2_insn_sp64.
4819 (define_insn zero_extendsidi2_insn_sp32): New pattern and
4820 assosciated forced split for it.
4822 * config/sparc/sparc.c (const64_operand, const64_high_operand):
4824 * config/sparc/sparc.h: Declare them.
4825 (PREDICATE_CODES): Add them.
4826 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
4827 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
4829 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
4831 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
4832 in v9 case as the latter makes the Solaris assembler crash.
4834 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4836 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
4837 for TFmode when !v9. We require offsettable memory addresses.
4838 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
4839 DFmode register number conversions.
4840 * config/sparc/sparc.md (define_split DFmode moves): If register
4841 is a SUBREG do alter_subreg on it before using.
4842 (define_expand movtf): Fixup comment about alignment on v9.
4843 (define_split TFmode moves): Don't use gen_{high,low}part, create
4844 explicit SUBREGs instead.
4846 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
4848 * Makefile.in (mbchar.o): Depend on mbchar.c.
4850 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4851 Richard Henderson <rth@cygnus.com>
4853 Rewrite Sparc backend for better code generation and
4854 improved sparc64 support.
4855 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
4857 * config/sparc/sysv4.h: Likewise.
4858 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
4859 move_operand, v8plus_regcmp_op, emit_move_sequence,
4860 singlemove_string, doublemove_string, mem_aligned_8,
4861 output_move_double, output_move_quad, output_fp_move_double,
4862 move_quad_direction, output_fp_move_quad, output_scc_insn):
4864 (small_int_or_double): New predicate.
4865 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
4866 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
4867 old pic_{sethi,lo_sum}_si patterns.
4868 (mem_min_alignment): New generic function to replace
4869 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
4870 available and can test for arbitrary alignments. All callers
4872 (save_regs, restore_regs, build_big_number,
4873 output_function_prologue, output_cbranch, output_return,
4874 sparc_flat_save_restore, sparc_flat_output_function_prologue,
4875 sparc_flat_output_function_epilogue): Prettify
4877 (output_function_epilogue): Likewise and add code to output
4878 deferred case vectors.
4879 (output_v9branch): Likewise, add new arg INSN and use it to tack
4880 on branch prediction settings. All callers changed.
4881 (print_operand): Likewise and output %l44 for LO_SUMs when
4883 (sparc_splitdi_legitimate): New function to make sure DImode
4884 splits can be run properly when !arch64.
4885 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
4886 Reformat example code in comments.
4887 (set_extends): Remove UNSPEC/v8plus_clear_high case.
4888 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
4889 of deferred case vectors we need to output.
4890 (sparc_defer_case_vector): Record a case vector.
4891 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
4892 sparc_output_deferred_case_vectors): New functions to output them.
4893 (sparc_emit_set_const32): New function to form 32-bit constants in
4894 registers when that requires more than one instruction.
4895 (safe_constDI, sparc_emit_set_const64_quick1,
4896 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
4897 analyze_64bit_constant, const64_is_2insns,
4898 create_simple_focus_bits, sparc_emit_set_const64): New functions
4899 which do the same for 64-bit constants when arch64.
4900 (sparc_emit_set_symbolic_const64): New function to emit address
4901 loading for all code models on v9.
4902 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
4903 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
4904 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
4905 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
4906 inaccuracies in comments, add symbolic and text_segment operands
4907 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
4908 GENERAL_REGS in these cases as a temp REG is needed to load these
4909 addresses into a register properly.
4910 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
4912 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
4913 quads are guarenteed to have 16-byte alignment.
4914 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
4915 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
4916 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
4917 deferred case vector implementation.
4918 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
4919 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
4920 Generate "internal label - label" instead of "label - 1b".
4921 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
4922 (PREDICATE_CODES): Remove sparc_operand, move_operand,
4923 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
4925 (doublemove_string, output_block_move, output_fp_move_double,
4926 output_fp_move_quad, output_move_double, output_move_quad,
4927 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
4928 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
4929 (sparc_emit_set_const32, sparc_emit_set_const64,
4930 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
4931 mem_min_alignment, small_int_or_double): Add externs.
4932 * config/sparc/sparc.md: Document the many uses of UNSPEC and
4933 UNSPEC_VOLATILE in this backend.
4934 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
4935 unary to types which execute in it.
4936 (define_function_unit ieu_shift): Rename to ieu0.
4937 (define_function_unit ieu1): New, executes compare, call, and
4938 uncond_branch type insns.
4939 (define_function_units for type fdivs, fdivd, fsqrt): These
4940 execute in the fpu multiply unit not the adder on UltraSparc.
4941 (define_expand cmpdi): Disallow TARGET_V8PLUS.
4942 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
4943 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
4944 allows the arith_double_operand predicate and rHI constraint when
4946 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
4947 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
4948 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
4949 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
4950 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
4951 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
4952 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
4953 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
4954 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
4955 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
4956 sign_extendqihi2_insn, sign_extendqisi2_insn,
4957 sign_extendqidi2_insn, sign_extendhidi2_insn,
4958 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
4959 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
4960 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
4961 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
4962 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
4963 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
4964 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
4965 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
4966 smulsi3_highpart_v8plus, unnamed subreg mult,
4967 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
4968 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
4969 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
4970 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
4971 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
4972 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
4973 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
4974 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
4975 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
4976 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
4977 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
4978 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
4979 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
4980 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
4981 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
4982 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
4983 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
4984 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
4985 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
4986 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
4987 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
4988 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
4989 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
4990 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
4991 call_address_untyped_struct_value_sp32,
4992 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
4993 call_value_symbolic_sp32, call_value_address_sp64,
4994 call_value_symbolic_sp64, branch_sp32, branch_sp64,
4995 flush_register_windows, goto_handler_and_restore,
4996 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
4997 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
4998 return_addsi, return_di, return_adddi, return_sf, all call+jump
4999 peepholes, trap, unnamed trap insns): Prettify output strings.
5000 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
5001 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
5002 Likewise and force + implement splits for integer cases.
5003 (define_insn return_sf_no_fpu): Likewise and allow to match when
5004 no-fpu because of our subreg SFmode splits.
5005 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
5006 zero_extendqidi2_insn, zero_extendhidi2_insn,
5007 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
5008 input_operand for second operand.
5009 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
5010 reg_or_0_operand for operand 2 so new splits can use it.
5011 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
5012 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
5014 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
5015 CONST_DOUBLEs for operand 2.
5016 (define_insn move_label_di): Likewise and label distance
5017 optimization because it no longer works with new deferred case
5018 vector scheme. To be revisited.
5019 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
5020 and allow reg_or_0_operand and J constraint for second operand.
5021 (define_insn jump): Set branch predict taken on V9.
5022 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
5023 new deferred case vector scheme.
5024 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
5025 (define_insn negdi2_sp32): Force + implement splits.
5026 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
5027 one_cmplsi2_not_liveg0 respectively, and create expander of original
5028 names which emit special rtl for TARGET_LIVE_G0.
5029 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
5030 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
5031 gen_compare_reg, FAIL instead.
5032 (define_insn sgtu, sleu): Likewise and check gen_s*() return
5033 values when trying to reverse condition codes, if they FAIL then
5035 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
5036 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
5037 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
5038 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
5039 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
5040 set output string to # to indicate they are mandatory splits.
5041 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
5042 pic_sethi_di, move_pic_label_si): Remove.
5043 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
5044 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
5046 (define_expand movsi_pic_label_ref, define_insn
5047 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
5048 expander and insns to handle PIC label references and deferred
5050 (define_insn get_pc_via_rdpc): Comment out as it is no longer
5052 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
5053 Rewrite to not use emit_move_sequence, make use of new constant
5054 formation code, and new splits for all multi-insn cases.
5055 (define_insn movqi_insn): Remove sethi case, it can never happen.
5056 Use reg_or_zero_operand instead of const0_rtx explicit test,
5057 use input_operand instead of move_operand for source, and use
5058 general_operand now for dest.
5059 (define_insn movhi_insn): Similar but leave sethi case.
5060 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
5061 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
5062 movhi_lo_sum respectively, prettify output string.
5063 (define_insn movsi_zero_liveg0): New pattern to put zero into a
5064 register when needed on TARGET_LIVE_G0.
5065 (define_insn movsi_insn): Use general_operand and input_operand
5066 for dest and src respectively. Simplify applicability test.
5067 Prettify output strings, and add clr alternative for J
5069 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
5070 deprecated std and reg-reg DI moves): Remove and...
5071 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
5072 implementation which uses forced splits for all non-single insn
5074 (define_split DI move cases on !arch64): New splits to handle all
5075 situations of 64-bit double register DImode on 32bit, and
5076 unaligned registers and memory addresses for all subtargets.
5077 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
5079 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
5080 input_operand for dest and src respectively, prettify output
5082 (define_insn movdf_insn, movdf_no_e_insn, store_df,
5083 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
5085 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
5086 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
5087 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
5088 movtf_no_e_insn_sp64) Replace with new
5089 implementation which uses forced splits for all non-single insn
5091 (define_split DF move cases): New splits in similar vein to DI
5093 (define_insn sethi_di_medlow, sethi_di_medium_pic,
5094 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
5095 movdi_sp64_insn): Remove old v9 code model and constant loading
5097 (define_insn pic_lo_sum_di, pic_sethi_di,
5098 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
5099 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
5100 embmedany_sethi, embmedany_losum, embmedany_brsum,
5101 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
5102 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
5103 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
5104 scheme, using unspecs, secondary reloads, and one to one sparc
5105 insn to rtl insn mapping for better scheduling and code gen.
5106 (define_expand reload_indi, reload_outdi): Reload helpers for
5107 MEDANY and EMBMEDANY symbol address loading cases which require a
5109 (define_expand movsicc): Remove v8plus_regcmp cases.
5110 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
5111 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
5112 cmp_diqi_trunc_set): New patterns used by some of the new scc
5114 (define_insn xordi3_sp64_dbl): New pattern used for constant
5115 formation when crossing from 32-bit targets.
5116 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
5118 (define_insn addx, subx): Make visible and prettify.
5119 (define_insn adddi3_insn_sp32): Likewise and force split.
5120 (define_insn addx_extend, subx_extend, unnamed): New patterns for
5121 64bit scc split usage.
5122 (define_insn unnamed plusDI zero_extend, unnamed minusDI
5123 zero_extend, subdi3): Force and implement splits.
5125 * final.c (final_scan_insn): Don't output labels if target
5126 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
5129 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
5130 don't forget to walk inside SEQUENCESs too as these are what the
5131 delay slot scheduler will create.
5133 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
5135 * alpha.md (extxl+1,+2): New patterns to work around
5138 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
5140 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
5141 caused bad assembly code to be generated.
5143 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
5145 * netbsd.h: Fix typo.
5147 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
5149 * config.sub: Fix typo.
5151 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
5153 * invoke.texi (Environment Variables): Typo: Change "ascpects"
5155 (Running Protoize): Typo: Change "ther" into "other".
5157 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
5159 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
5160 * m68k/netbsd.h: Likewise.
5161 * ns32k/netbsd.h: Likewise.
5162 * sparc/netbsd.h: Likewise.
5164 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
5166 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
5167 * ginclude/va-clipper.h (va_list): Likewise.
5169 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
5171 * rs6000.c (rs6000_override_options): If big endian and -Os, use
5172 load/store multiple instructions unless user overrides.
5174 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
5176 * ns32k/netbsd.h: Fix typo.
5178 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
5180 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
5181 labels with .debugsym if no parallel insns.
5183 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
5185 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
5186 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
5188 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
5190 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
5191 (AR_FOR_TARGET): Define.
5193 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
5195 * dyn-string.h: New file.
5196 * dyn-string.c: Likewise.
5197 * Makefile.in (OBJS): Add dyn-string.o.
5198 (dwarf2out.o): Add dyn-string.h dependency.
5199 (dyn-string.o): List dependencies.
5200 * dwarf2out.c: Include dyn-string.h.
5201 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
5202 (addr_const_to_string): Take a dyn_string_t, not a char* as a
5203 prototype. Use dyn_string_append rather than strcat, throughout.
5204 (addr_to_string): Use dyn_string_t.
5206 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
5208 Function entry/exit profiling instrumentation:
5209 * expr.h (profile_function_entry_libfunc,
5210 profile_function_exit_libfunc): Declare new variables.
5211 * optabs.c: Define them here.
5212 (init_optabs): Initialize them.
5213 * tree.h (struct tree_decl): New flag
5214 no_instrument_function_entry_exit.
5215 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
5216 * c-decl.c (duplicate_decls): Merge it.
5217 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
5218 (init_attributes): Use it for "no_instrument_function".
5219 (decl_attributes): Handle it, for functions that have not yet been
5220 compiled. Set decl flag.
5221 * flags.h (flag_instrument_function_entry_exit): Declare new
5223 * toplev.c (flag_instrument_function_entry_exit): Define it here.
5224 (f_options): New option "instrument-functions".
5225 * function.h (struct function): New field instrument_entry_exit.
5226 * function.c (current_function_instrument_entry_exit): New
5228 (push_function_context_to, pop_function_context_from): Save and
5230 (expand_function_start): Set current_ variable, maybe emit return
5231 label and entry profile call.
5232 (expand_function_end): Maybe emit exit profile call.
5234 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
5236 * i386.md (movqi): When optimizing a load of (const_int 1) into a
5237 NON_QI_REG_P, pretend the register is SImode.
5239 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
5241 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
5242 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
5243 manufacturer id for ns32k.
5244 * configure: Regenerated.
5245 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
5246 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
5247 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
5248 * config/m68k/netbsd.h: Same.
5249 * config/ns32k/netbsd.h: Same.
5250 * config/sparc/netbsd.h: Same.
5252 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
5254 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
5255 or UNROLL_COMPLETELY loop that starts with a jump to its
5258 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
5260 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
5261 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
5262 (print_operand, case 'B'): Don't fall through.
5263 (print_operand, case 'S'): Correct mask begin/end computation.
5264 Use HOST_BITS_PER_WIDE_INT.
5265 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
5266 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
5267 * rs6000/aix41.h (CPP_PREDEFINES): Same.
5268 * rs6000/aix43.h (CPP_PREDEFINES): Same.
5270 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
5272 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
5273 constraint from second alternative.
5275 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
5277 * configure.in: Fix --without/--disable cases for local-prefix,
5278 gxx-include-dir and checking.
5280 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5282 * configure.in (enable_haifa): Set by default for sparc64 too.
5285 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
5287 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
5288 * i386/winnt.c (associated_type): New fn.
5289 (i386_pe_valid_type_attribute_p): New fn.
5290 (i386_pe_check_vtable_importexport): Remove.
5291 (i386_pe_dllexport_p): Use associated_type.
5292 (i386_pe_dllimport_p): Likewise.
5294 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
5295 * i386.c (i386_valid_type_attribute_p): Also accept
5296 attributes for METHOD_TYPEs.
5298 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
5300 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
5302 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
5304 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
5306 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
5307 them from generating a new base name for each occurence of
5310 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
5312 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
5314 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
5318 * cplus-dem.c (type_kind_t): New type.
5319 (demangle_template_value_parm): Add type_kind_t parameter. Rely
5320 on this paramter, rather than demangling the type again.
5321 (demangle_integral_value): Pass tk_integral.
5322 (demangle_template_: Pass the value returned from do_type.
5323 (do_type): Return a type_kind_t. Pass tk_integral to
5324 demangle_template_value_parm for array bounds.
5325 (demangle_fund_type): Likewise.
5327 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
5329 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
5332 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
5334 * pa.c (move_operand): Accept CONSTANT_P_RTX.
5336 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
5338 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
5340 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
5343 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
5345 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
5346 (DEBUGGER_ARG_OFFSET): Likewise.
5348 * mn10300.md (movsf): Remove last change. Not needed.
5350 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
5352 * c-lex.c (yylex): Fix boundary conditions in character literal and
5353 string literal loops.
5355 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
5357 * longlong.h (count_leading_zeros): Sparclite scan instruction was
5358 being invoked incorrectly.
5360 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
5361 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
5363 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
5364 * configure.in: Added i[34567]86-*-win32
5365 * config.sub: Ditto.
5366 * configure: Rebuilt.
5368 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
5370 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
5371 the frame pointer and compiling PIC code and reload has not completed.
5373 * i386.c (output_to_reg): Add code to emulate non-popping DImode
5376 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
5378 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
5380 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5382 * Makefile.in (install-info): Only try to update the info
5383 directory file if it exists in the first place.
5385 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
5387 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
5389 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
5391 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
5392 CONST_DOUBLE source.
5394 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
5396 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
5397 strings as the insertion of USER_LABEL_PREFIX.
5398 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
5400 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
5403 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
5405 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
5406 already defined type.
5408 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
5410 * expr.c (check_max_integer_computation_mode): Allow conversions
5411 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
5412 (expand_expr): Likewise.
5414 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5416 * expr.c (expand_expr): Expand RETURN_EXPR.
5418 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
5420 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
5422 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
5424 * dwarf2out.c (output_aranges): Call stripattributes
5425 for TEXT_SECTION references.
5426 (output_line_info): Likewise.
5428 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5430 * profile.c (branch_prob): Call allocate_reg_info after outputting
5431 profile rtl in instrument_arcs.
5433 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
5435 * fixinc.irix (math.h): Install wrapper instead of copying.
5437 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5439 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
5440 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
5441 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
5442 lang_flag_0. Added documentation in the flag table.
5444 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
5446 * cccp.c (do_include): Fix vax c style include handling.
5448 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5450 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
5452 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
5454 * fold-const.c (non_lvalue): Don't deal with null pointer
5456 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
5458 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
5460 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
5461 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
5462 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
5463 (u_short_cint_operand): Same.
5464 (reg_or_cint_operand): Same.
5465 (logical_operand): Same.
5466 (input_operand): Same.
5467 (reg_or_short_operand): Use u_short_cint_operand.
5469 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
5471 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
5472 but keep the insns and splits. Adjust so when the ultimate destination
5473 is memory, use cvtql.
5475 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
5477 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
5479 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
5481 * gcc.c (do_spec): Call "error" not "warning".
5483 * configure.in: Fix minor problems with gas feature detection code.
5484 * configure: Rebuilt.
5486 * gcc.c (do_spec): Issue a warning for '%[]' usage.
5489 * gcc.c: Delete %[spec] support.
5490 (do_spec_1, case '('): Likewise.
5491 (do_spec_1, case '['): Call error.
5493 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
5495 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
5496 (CPP_SUBTARGET_SPEC): Default to empty string.
5497 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
5498 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
5499 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
5500 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
5502 * alpha/linux.h (CPP_PREDEFINES): Tidy.
5503 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
5504 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
5505 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
5506 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
5507 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
5508 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
5509 * alpha/vxworks.h: Likewise.
5511 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
5513 * mips.md (reload_outsi): Added missing REGNO call.
5514 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
5516 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
5517 another match_operator and compare the codes.
5519 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
5521 * MIPS multiply pattern fixes:
5522 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5523 Add union classes for HI, LO, or HILO plus general registers.
5524 (GENERATE_MADD): Deleted.
5525 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
5526 Add TARGET_MAD to condition.
5527 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
5528 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
5529 "*d" for accumulator, to give preference to LO initially but not
5532 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
5534 * configure.in (enable_c_mbchar): New configure option.
5535 (extra_cpp_objs): Always available now.
5537 * cexp.y (mbchar.h): #include it.
5538 (yylex): Handle Multibyte characters in character literals.
5540 * cccp.c (mbchar.h): #include it.
5541 (main): Set character set based on LANG environment variable.
5542 (rescan): Handle multibyte characters in comments.
5543 (skip_if_group): See above.
5544 (validate_else): See above.
5545 (skip_to_end_of_comment): See above.
5546 (macarg1): See above.
5547 (discard_comments): See above.
5548 (rescan): Handle multibyte characters in string and character literals.
5549 (collect_expansion): See above.
5550 (skip_quoted_string): See above.
5551 (macroexpand): See above.
5552 (macarg1): See above.
5553 (discard_comments): See above.
5554 (change_newlines): See above.
5556 * c-lex.c (mbchar.h): #include it.
5557 (GET_ENVIRONMENT): New macro.
5558 (init_lex): Set character set based on LANG environment variable.
5559 (yylex): Handle multibyte characters in character literals.
5560 (yylex): Handle multibyte characters in string literals.
5562 * Makefile.in (mbchar.o): New target.
5563 (cccp$(exeext)): @extra_cpp_objs@ is always available.
5564 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
5566 * mbchar.[ch]: New files for multibyte character handling.
5568 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5570 * jump.c (jump_optimize): When simplifying noop moves and
5571 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
5572 the PUSHes to rewrite in second loop as we did in the first.
5574 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5576 * cplus-dem.c (demangle_nested_args): Make function definition
5577 static to match the prototype.
5579 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
5581 * alloca.c: Respect USE_C_ALLOCA.
5582 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
5583 * gengenrtl.c (xmalloc): Likewise.
5585 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
5587 * loop.h (struct induction): Add no_const_addval.
5588 * loop.c (the_movables, reg_address_cost): New variables.
5589 (init_loop): Init reg_address_cost.
5590 (loop_optimize): Call end_alias_analysis.
5591 (scan_loop): Init the_movables.
5592 (record_giv): Init induction->no_const_addval.
5593 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
5594 [REG]: Rearrange loop search test to catch more cases.
5595 (general_induction_var): Return success not benefit; take an extra
5596 argument for that. Change all callers.
5597 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
5598 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
5599 [default]: Search the_movables for additional combinations.
5600 (sge_plus_constant, sge_plus): New functions.
5601 (express_from_1): New function.
5602 (express_from): Always define. Rewrite using express_from_1.
5603 (combine_givs_p): Handle more cases. Ignore address cost.
5604 (cmp_combine_givs_stats): New function.
5605 (combine_givs_used_once, combine_givs_benefit_from): New functions.
5606 (combine_givs): Rewrite to do best-fit combination.
5608 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
5609 (fold): Do a complete (A*C)+(B*C) association check.
5611 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
5613 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
5615 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
5617 * mn10300.c (MODES_TIEABLE_P): Fix typo.
5619 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
5621 * tree.c (valid_machine_attribute): Only create a new type variant if
5622 there is a decl to use it.
5624 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
5626 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
5629 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
5631 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
5634 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
5636 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
5637 Simplify tests for clearing an address register.
5638 (expand_prologue): Corresponding changes.
5640 * mn10300.md (movXX patterns): Make sure the destination is an
5641 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
5642 (logical patterns): Split into expanders + patterns
5643 (zero and sign extension patterns): Similarly.
5644 (shift patterns): Similarly.
5646 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
5648 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
5649 for the sequence, recording base values.
5651 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
5653 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
5655 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
5657 * gcc.c: Remove ANSI-C ism from --help code.
5659 * toplev.c: Support --help with USE_CPPLIB.
5661 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
5663 * configure.in: Rework gas feature code to work with symlink based
5666 * extend.texi: Clarify some issues related to local variables
5667 assigned to explicit registers.
5669 * mn10300.md (mulsi): Turn into expander + pattern.
5671 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
5674 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
5676 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
5678 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
5680 * version.c: Bump again to distinguish mainline tree from the
5683 See ChangeLog.0 for earlier changes.
5686 add-log-time-format: current-time-string
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