1 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
3 * final.c (cleanup_subreg_operands): New function.
4 (final_scan_insn): Use it.
5 (alter_subreg): Clear the "used" field when we turn a SUBREG into
7 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
8 operands when reload has finished.
9 * reload.h (cleanup_subreg_operands): Declare..
10 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
11 reload. Handled in reload itself.
13 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
15 * reload1.c (verify_initial_offsets): New function.
16 (reload): Call it after reload_as_needed. Also verify that the frame
17 size stays constant during reload_as_needed.
18 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
20 * reload.h (struct insn_chain): Add need_operand_change element.
21 * reload1.c (new_insn_chain): Clear it.
22 (calculate_needs_all_insns): Set it; don't overload need_reload.
23 (reload_as_needed): Use it.
25 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
26 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
27 and reload_address_index_reg_class.
28 (find_reloads_address_1): Likewise.
29 * reload.h (reload_address_base_reg_class,
30 reload_address_index_reg_class): Don't declare.
31 * reload1.c (reg_old_renumber, pseudo_previous_regs,
32 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
33 (used_spill_regs): Now static.
34 (reload_address_base_reg_class, reload_address_index_reg_class,
35 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
36 basic_block_needs, max_needs, group_size, group_mode, max_groups,
37 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
40 (init_reload): Delete code to compute base/index reg classes.
41 (reload): Delete variable J.
42 Delete code to manage basic_block_needs.
43 Don't compute regs_explicitly_used.
44 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
46 Initialize bad_spill_regs_global.
47 Don't call order_regs_for_reload here.
48 Don't initialize spill_reg_order and n_spills.
49 Don't forbid explicitly used regs to be used for spill regs.
50 Change main loop to infinite loop, with explicit break statements.
51 Make SOMETHING_CHANGED variable local to that loop.
52 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
53 max_groups_insn, max_nongroups_insn, group_size, group_mode.
54 Make sure spilled_speudos is cleared before calling spill_hard_reg or
56 Don't call dump_needs.
57 Delete code to reset potential_reload_regs.
58 Delete code to terminate loop conditional on the global needs variables
59 showing no further needs.
60 (calculate_needs_all_insns): Return void. All callers changed.
61 Initialize somehing_needs_elimination here, not in reload.
62 Delete avoid_return_reg kludge.
63 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
65 Initialize the group_mode and group_size elements of the arg CHAIN.
66 Delete code to manage basic_block_needs.
67 Operate on elements of CHAIN instead of global variables.
68 Delete avoid_return_reg kludge.
69 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
71 Operate on elements of CHAIN instead of global variables.
72 Delete special SMALL_REGISTER_CLASSES code.
73 Delete spill_failure code; now in new_spill_reg.
74 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
76 Operate on elements of CHAIN instead of global variables.
77 (maybe_mark_pseudo_spilled): New static function.
78 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
80 Operate on elements of CHAIN instead of global variables.
81 Call order_regs_for_reload here, not in reload.
82 Initialize spill_reg_order and n_spills.
83 Simplify test whether an asm insn is involved.
84 Delete spill_failure code; now in new_spill_reg.
85 Call maybe_mark_pseudo_spilled for everything marked as live in
86 CHAIN. Merge CHAIN's used_spill_regs into the global variable
88 (dump_needs): Take CHAIN arg. No longer static, to prevent the
89 compiler from optimizing this function (now unused) away.
90 Operate on elements of CHAIN instead of global variables.
91 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
93 Operate on elements of CHAIN instead of global variables.
94 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
95 take CHAIN arg. All callers changed.
96 Operate on elements of CHAIN instead of global variables.
97 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
98 CHAIN, NONGROUP args. Return void. All callers changed.
99 Verify caller isn't trying to spill a pseudo.
100 Simplify test for illegal reg, just use bad_spill_regs.
101 Generate better error messages.
102 Operate on elements of CHAIN instead of global variables.
103 Mark spilled register in CHAIN's used_spill_regs element.
104 Don't call spill_hard_reg.
105 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
106 Mark spilled hard regs in bad_spill_regs_global.
107 Mark affected pseudos in spilled_pseudos, but don't spill them.
108 (ior_hard_reg_set): New static function.
109 (finish_spills): Return int. All callers changed.
110 Compute spill_reg_order, n_spills and spill_regs here. Also update
111 regs_ever_live for regs used as spills.
112 For every pseudo in spilled_pseudos, spill it and mark the previous
113 hard reg it had in pseudo_previous_regs. Compute which hard regs
114 arseudo): New static function.
115 (order_regs_for_reload): Take CHAIN arg. All callers changed.
116 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
117 hard registers explicitly used across the current insn into the set.
118 Compute hard_reg_n_uses taking only pseudos live across this insn
120 Tweak sorting of potential_reload_regs.
121 (compare_spill_regs): Delete function.
122 (reload_as_needed): Don't sort the spill_regs array, it's computed
123 in proper order in finish_spills.
124 Delete avoid_return_reg kludge.
125 Delete code to manage basic_block_needs.
126 (allocate_reload_reg): Minor speed/readability tweaks.
127 Operate on elements of CHAIN instead of global variables.
128 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
129 Delete avoid_return_reg kludge.
130 Initialize reload_reg_used from CHAIN's used_spill_regs element.
131 Delete unused label FAIL.
132 (reload_combine): Replce reload_address_index_reg_class with
134 Don't use used_spill_regs to determine information about lifetime of
137 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
139 * toplev.c (display_help): Ignore empty target specific
140 options, and if -W is also specified on the command line then
141 display undocumented options.
143 * config/arm/arm.c: Updated with changes in devo sources.
144 * config/arm/arm.h: Updated with changes in devo sources.
145 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
146 * config/arm/lib1thumb.asm: Add ELF support.
148 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
150 * collect2.c (aix64_flag): New variable.
151 (main, case 'b'): Parse it.
152 (GCC_CHECK_HDR): object magic number must match mode.
153 (scan_prog_file): Only check for shared object if valid header.
154 Print debugging if header/mode mismatch.
156 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
158 Added support for arm-elf-linux configuration, submitted by Philip
159 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
160 code developed by Catherine Moore <clm@cygnus.com>. The following
163 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
166 * configure: Regenerated.
168 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
169 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
170 definitions conditional on their not having been already defined.
172 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
173 and .type directives, and add "(PLT)" qualification to function
176 * config/arm/linux.h: Deleted. This file is now superceeded by
177 either linux-elf.h or linux-aout.h.
179 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
180 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
182 Move definitions from old linux.h file here.
184 * config/arm/elf.h: New file. Generic ARM/ELF support.
186 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
188 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
190 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
191 using the 26bit APCS.
193 * config/arm/unknown-elf.h: New file. Support for OS'es other
196 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
199 * config/arm/coff.h: Include aout.h for basic assembler macros.
200 Add support for -mstructure_size_boundary=<n> command line option.
202 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
203 command line option. Make macro definitions conditional on their
204 not having been already defined.
206 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
210 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
212 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
213 has been changed to not include a newline. Use this macro instead.
214 (output_enumeral_list, const_value_attribute, name_attribute,
215 comp_dir_attribute, prototyped_attribute, producer_attribute,
216 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
217 dwarfout_file_scope_decl, generate_new_sfname_entry,
218 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
219 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
221 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
223 * combine.c (subst): Process the inputs to a parallel asm_operands
226 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
228 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
230 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
232 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
234 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
236 * version.c: Bump for snapshot.
238 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
240 * stmt.c (expand_fixup): Set fixup->before_jump to a
241 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
243 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
245 * Makefile.in (recog.o): Depend on toplev.h.
246 (insn-emit.o): Depend on recog.h.
247 (insn-peep.o): Depend on recog.h and insn-config.h.
249 * combine.c (simplify_set): Remove unused variable `scratches'.
251 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
252 and `idx' in macro conditional controlling their use.
254 * genemit.c (main): Make the generated output file include
255 recog.h. Don't have it declare `insn_operand_constraint', since
256 we get it from recog.h.
258 * genpeep.c (main): Make the generated output file include
259 insn-config.h and recog.h.
261 * recog.c: Include toplev.h.
262 (extract_insn): Remove unused variable `p'.
264 * regclass.c (fix_register): Add missing braces around initializer
266 (allocate_reg_info): Move variable `i' into the scope where it is
267 used. Change its type to `size_t'.
269 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
271 * reload.c (push_reload): When merging reloads, make sure
272 that reload_in_reg and reload_in are from the same reload in
275 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
277 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
278 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
280 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
282 * loop.c (loop_has_tablejump): New variable.
283 (prescan_loop): Scan for it.
284 (insert_bct): Replace explicit scan with use of it.
285 * regclass.c (regclass): Restore loop variable j.
286 (record_reg_classes): Deterine op_types modifiers and initialize
287 classes[i] before matching constraints. Handle matching
290 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
292 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
295 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
297 * mips.h (EXTRA_SPECS): Add missing initializers.
299 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
301 * sparc.h (EXTRA_SPECS): Add missing initializers.
302 (sparc_defer_case_vector): Provide a prototype.
304 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
305 comparing it to the result of a pointer subtraction.
307 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
309 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
310 the argument to (unsigned char).
312 * alpha.h (EXTRA_SPECS): Add missing initializers.
313 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
316 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
318 * flow.c (life_analysis_1): Enable "rescan" code after reload.
319 (propagate_block): Delete dead code after reload.
321 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
322 back Oct 15, 1998 change.
323 * haifa-sched.c (update_flow_info): Likewise.
324 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
326 * mn10200.md (truncated shift): Accept constant inputs too.
328 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
330 * machmode.h (mode_mask_array): No longer const.
331 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
333 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
335 * frame.c: Somewhat explain `FDE'.
336 Suggested by Brendan Kehoe
338 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
340 * expr.c (pending_chain): Move up.
341 (save_expr_status): Do save pending_chain.
342 (restore_expr_status): And restore it.
343 * function.h (struct function): Add pending_chain.
345 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
347 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
348 did not match the code.
350 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
352 * regclass.c (regclass): Break out some code into new function
353 scan_one_insn, and into regclass_init.
354 (init_cost): New static variable, moved out of regclass.
355 (regclass_init): Initialize it here, not in .
356 (scan_one_insn): New static function, broken out of regclass.
357 * recog.c (apply_change_group): Break out some code into new
358 function insn_invalid_p.
359 (insn_invalid_p): New static fn, broken out of apply_change_group.
361 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
363 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
364 reg_reloaded_contents matches incremented pseudo.
366 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
368 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
370 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
371 addressing modes with side effects. These are currently
372 placeholders for the C4x target.
374 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
376 * loop.c (express_from): Make sure that when generating a PLUS of
377 a PLUS, any constant expression appears on the outermost PLUS.
379 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
381 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
382 works if "$(srcdir)" != ".".
384 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
386 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
387 existing SUBREG if we can, otherwise abort.
389 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
391 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
392 `restrict' is applied to a non-pointer variable.
394 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
396 * invoke.texi: Document -flang-isoc9x.
398 * Makefile.in (OBJS): Add splay-tree.o.
399 (c-common.o): Depend on rtl.h.
400 (splay-tree.o): List dependencies and provide build rule.
402 * rtl.h (record_alias_subset): New function.
403 * alias.c: Include splay-tree.h.
404 (alias_set_entry): New type.
405 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
406 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
407 (mems_in_disjoin_alias_sets_p): New function.
408 (alias_set_compare): Likewise.
409 (insert_subset_children): Likewise.
410 (get_alias_set_entry): Likewise.
412 * tree.h (TYPE_RESTRICT): New macro.
413 (TYPE_UNQUALIFIED): New manifest constant.
414 (TYPE_QUAL_CONST): Likewise
415 (TYPE_QUAL_VOLATILE): Likewise.
416 (TYPE_QUAL_RESTRICT): Likewise.
417 (tree_type): Add restrict_flag. Reduce count of free bits.
418 (DECL_POINTER_ALIAS_SET): New macro.
419 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
420 (tree_decl): Add pointer_alias_set.
421 (build_qualified_type): New function.
422 (build_type_variant): Define in terms of build_qualified_type.
423 * tree.c (set_type_quals): New function.
424 (make_node): Initializae DECL_POINTER_ALIAS_SET.
425 (build_type_attribute_variant): Use build_qualified_type and
427 (build_type_variant): Rename, and modify, to become...
428 (build_qualified_type): New function.
429 (build_complex_type): Use set_type_quals.
431 * c-tree.h (C_TYPE_OBJECT_P): New macro.
432 (C_TYPE_FUNCTION_P): Likewise.
433 (C_TYPE_INCOMPLETE_P): Likewise.
434 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
435 (c_apply_type_quals_to_decl): New function.
436 (c_build_qualified_type): New function.
437 (c_build_type_variant): Define in terms of c_build_qualified_type.
438 (flag_isoc9x): Declare.
439 * c-typeck.c (qualify_type): Use c_build_qualified_type.
440 (common_type): Change to use TYPE_QUALS.
441 (comptypes): Likewise.
442 (convert_for_assignment): Likewise.
443 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
444 * c-decl.c (flag_isoc9x): Define.
445 (c_decode_option): Handle -flang-isoc9x.
446 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
447 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
448 * c-lex.c (init_lex): Deal with restrict.
449 (init_lex): Don't treat restrict as a reserved word in
450 -traditional mode, or without -flang-isoc9x.
451 * c-lex.h (rid): Add RID_RESTRICT.
452 * c-parse.gperf (restrict, __restrict, __restrict__): Make
453 equivalent to RID_RESTRICT.
454 * c-parse.in (TYPE_QUAL): Update comment.
455 * c-common.c: Include rtl.h.
456 (c_find_base_decl): New function.
457 (c_build_type_variant): Rename, and modify, to become ...
458 (c_build_qualified_type): New function.
459 (c_apply_type_quals_to_decl): Likewise.
460 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
461 a particular alias set for the reference.
462 * toplev.c (documented_lang_options): Add -flang-isoc9x.
464 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
466 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
467 command line switches.
469 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
471 * reload.c (loc_mentioned_in_p): Add missing braces to bind
474 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
476 * gcc.c (option_map): Added --classpath and --CLASSPATH.
478 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
480 * regclass.c (fix_register): Add error message.
481 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
484 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
486 * c-decl.c (warn_missing_noreturn): New global variable.
487 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
488 (finish_function): Implement missing noreturn warning.
490 * c-tree.h (warn_missing_noreturn): Declare extern.
492 * invoke.texi: Document new flags.
494 * toplev.c (documented_lang_options): Add description.
496 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
498 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
499 loop optimization stable for the C4x.
500 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
501 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
502 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
504 (c4x_address_conflict): Be more paranoid when packing a volatile
505 memref in a parallel load/store.
507 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
509 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
510 repeat_block_filler): Deleted.
511 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
512 Condition code not set if destination register from 'c' class.
513 (*subbqi3_carry_clobber): Fix typo.
515 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
517 * reorg.c (steal_delay_list_from_target) Check for insns that
518 modify the condition codes and effect the direction of the jump
521 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
523 * function.c (purge_addressof_1): Replace call to
524 emit_insns_before() with emit_insn_before().
526 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
528 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
530 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
532 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
534 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
536 * gcse.c (compute_hash_table): Correctly identify hard regs which are
537 clobbered across calls.
539 * loop.c (scan_loop): Be more selective about what invariants are
542 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
544 * version.c: Bump for snapshot.
546 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
548 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
549 static eh_context structure.
551 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
553 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
555 (try_combine): Don't update max_scratch.
556 * flow.c (max_scratch, num_scratch): Delete variables.
557 (life_analysis_1): Don't initialize max_scratch.
558 (propagate_block): Don't update max_scratch.
559 (mark_set_1): Don't increment num_scratch.
560 * regs.h (max_scratch): Delete declaration.
562 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
564 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
565 is nonzero. This is temporary!
567 * sched.c (update_flow_info): Handle death notes made invalid by
568 instruction splitting. Partially reverts Oct 15, 1998 patch.
569 * haifa-sched.c (update_flow_info): Likewise.
571 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
573 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
574 if it has a nonzero DECL_INITIAL.
576 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
578 * Makefile.in (flow.o): Depend on recog.h.
580 * cpplib.h (directive_table): Add missing initializiers.
581 (finclude): Change type of variable `bsize' to size_t.
583 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
585 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
587 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
588 `int' when comparing against one.
589 (cpp_file_line_for_message): Mark parameter `pfile' with
591 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
593 * flow.c: Include recog.h.
594 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
596 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
597 `f' with ATTRIBUTE_UNUSED.
598 (reposition_prologue_and_epilogue_notes): Likewise.
600 * genopinit.c (gen_insn): Cast argument of ctype functions to
603 * haifa-sched.c: Include recog.h.
604 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
605 comparing against one.
607 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
609 * mips-tfile.c (parse_end): Cast the argument of ctype function to
611 (parse_ent): Likewise.
612 (parse_input): Likewise.
614 * optabs.c (init_libfuncs): Likewise.
616 * protoize.c (find_rightmost_formals_list): Likewise.
618 * recog.h (const_double_operand): Fix typo in prototype.
620 * tlink.c (scan_linker_output): Cast the argument of ctype
621 function to `unsigned char'.
623 * toplev.c (check_lang_option): Cast the result of `strlen' to
624 `int' when comparing against one.
626 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
628 * gcse.c (dump_cuid_table): Correct typo.
630 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
632 * toplev.c (display_help): Prepend '-m' to target specific
634 (check_lang_option): Ignore text after end of first word of a
635 language specific option.
637 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
639 * reload1.c (reg_used_by_pseudo): New static variable.
640 (choose_reload_regs): Initialize it.
641 Use it instead of testing spill_reg_order to determine whether a
642 pseudo is live in a hard register across the current insn.
643 Fix a typo in a reference to reload_reg_rtx.
645 * flow.c (propagate_block): Replace code that computes and uses
646 regs_sometimes_live with simpler code that just walks the set of
647 currently live registers.
649 * Makefile.in (insn-extract.o): Fix dependencies.
650 * genextract.c (main): Generate includes for insn-config.h and
652 Delete generation of declarations which are now in recog.h.
653 * genrecog.c (main): Delete generation of definitions which are
655 * local-alloc.c (block_alloc): Use extract_insn and the variables
656 it sets up instead of looking up values by insn_code.
657 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
658 recog_dup_num): Define here instead of generating the definition in
660 (recog_n_operands, recog_n_dups, recog_n_alternatives,
661 recog_operand_mode, recog_constraints, recog_operand_address_p):
663 (extract_insn): New function.
664 * recog.h (extract_insn): Declare function.
665 (which_alternative, recog_n_operands, recog_n_dups,
666 recog_n_alternatives, recog_operand_mode, recog_constraints,
667 recog_operand_address_p): Declare variables.
668 * regclass.c (n_occurrences): New static function.
669 * reload.c (n_occurrences): Delete function.
670 (find_reloads): Use extract_insn.
671 * reload.h (n_occurrences): Delete declaration.
673 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
675 * reload1.c (reload_as_needed): Fix test for when to call
676 update_eliminable_offsets.
678 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
680 Fix consistency problems with reg_equiv_{mem,address};
681 Improve reload inheritance;
683 * reload.c (reload_out_reg): New variable.
684 (loc_mentioned_in_p, remove_address_replacements): New functions.
685 (remove_replacements): Deleted.
686 (push_reload): Set reload_out_reg[i].
687 When merging, also set reload_{in,out}_reg[i], and remove
688 duplicate address reloads.
689 (combine_reloads): Copy reload_out_reg[i].
690 (find_reloads): Do make_memloc substitution also when
691 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
693 Include *recog_operand_loc in commutativity operand changes.
694 Generate optional output reloads.
695 Delete reference to n_memlocs. Don't set *recog_operand_loc before
696 processing operands. Call make_memloc in reg_equiv_address code.
697 Set *recog_operand_loc only after processing operands, and only
698 if replace is true. Return a value.
699 When changing address reload types for operands that didn't get
700 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
701 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
702 Don't emit USEs for pseudo SUBREGs when not replacing.
703 (find_reloads_address): Do make_memloc substitution also when
704 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
706 (find_reloads_toplev): Likewise.
707 Call make_memloc in reg_equiv_address code.
708 (debug_reload_to_stream): Add code to output reload_out_reg.
709 (make_memloc): Delete local variable i, ifdefed out code, and
710 references to memlocs and n_memlocs.
711 (memlocs, n_memlocs): Delete.
712 (push_secondary_reload): Clear reload_out_reg.
713 (find_reloads_address_1): Provide memrefloc argument to all calls
714 to find_reloads_address.
715 In AUTO_INC code, handle non-directly addressable equivalences properly.
716 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
717 (find_reloads): Add return type.
718 (remove_address_replacements, deallocate_reload_reg): Declare.
719 * reload1.c (num_not_at_initial_offset): No longer static.
720 (delete_address_reloads, delete_address_reloads_1): Likewise.
721 (deallocate_reload_reg): New function.
722 (spill_reg_stored_to): New array.
723 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
724 (eliminate_regs_in_insn): Move assignments of previous_offset and
725 max_offset fields, and recalculation of num_not_at_initial_offset
726 into new static function:
727 (update_eliminable_offsets) .
728 (reload_as_needed): Call update_eliminable_offsetss after calling
730 Call forget_old_reloads_1 with contents of reloaded auto_inc
731 expressions if the actual addressing can't be changed to match the
733 (choose_reload_regs): For inheritance, replace
734 reload_reg_free_before_p test with reload_reg_used_at_all test, and
735 remove stand-alone reload_reg_used_at_all test.
736 Use reload_out_reg to determine which reload regs have output reloads.
737 Treat reload_override_in more similar to inherited reloads.
738 Handle (subreg (reg... for inheritance.
739 For flag_expensive_optimizations, add an extra pass to remove
740 unnecessary reloads from known working inheritance.
741 Delete obsolete code for pseudos replaced with MEMs.
742 Handle inheritance from auto_inc expressions.
743 (emit_reload_insns): If reload_in is a MEM, set OLD to
745 Don't reload directly from oldequiv; if it's a pseudo with a
746 stack slot, use reload_in[j].
747 Check that reload_in_reg[j] is a MEM before replacing reload_in
748 from reg_reloaded_contents.
749 Include non-spill registers in reload inheritance processing.
750 Also try to use reload_out_reg to set spill_reg_store /
752 In code to set new_spill_reg_store, use single_set to find out if
753 there is a single set.
754 Add code that allows to delete optional output reloads.
755 Add code to allow deletion of output reloads that use no spill reg.
756 At the end, set reload_override_in to oldequiv.
757 Also call delete_output_reload if reload_out_reg is equal to old
759 Add code to call delete_output_reload for stores with no matching load.
760 Set / use spill_reg_stored_to.
761 Handle case where secondary output reload uses a temporary, but
762 actual store isn't found.
763 When looking for a store of a value not loaded in order to call
764 delete_output_reload, count_occurences should return 0 for no
765 loads; but discount inherited input reloadill_reg_stored_to.
766 Do checks for extra uses of REG. Changed all
768 Use delete_address_reloads.
769 (reload): Take return value of find_reloads into account.
770 If a no-op set needs more than one reload, delete it.
771 (reload_reg_free_before_p): RELOAD_FOR_INPUT
772 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
773 for the same operand.
774 (clear_reload_reg_in_use): Check for other reloads that keep a
776 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
777 RELOAD_FOR_OPADDR_ADDR.
778 Take into account when an address address reload is only needed
779 for the address reload we are considering.
780 (count_occurrences): Use rtx_equal_p for MEMs.
781 (inc_for_reload): Return instruction that stores into RELOADREG.
782 New argument two, IN, and rtx. Changed all callers.
783 (calculate_needs_all_insns, reload_as_needed):
784 Don't clear after_call for a CLOBBER.
785 Keep track of how many hard registers need to be copied from
786 after_call, and don't clear after_call before we have seen
787 that much copies, or we see a different instruction.
789 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
791 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
792 after reload has completed.
794 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
796 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
797 a macro name and the next token with a single blank if that whitespace
798 is in a macro buffer and the next token is not '('.
800 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
802 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
804 (skip_if_group): Ditto.
805 (skip_to_end_of_comment): Ditto.
807 (discard_comments): Ditto.
808 (change_newlines): Ditto.
810 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
812 * c-lex.c (yylex): Fix unaligned access of wchar_t.
814 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
816 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
817 (TARGET_OPTIONS): Add --help documentation.
819 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
821 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
823 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
825 * fixinc/* Moved in from ../contrib directory in preparation
826 for integrating it into the normal build process. In particular,
827 fixinc/Makefile.in must be config-ed into the build directory
828 as fixinc/Makefile. Proposed patches to ./Makefile.in and
829 ./configure.in will be "in the mail" momentarily.
831 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
833 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
834 accidently walk into the free list. Comment how that can happen.
835 (invalidate): Fix indentation.
837 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
838 Jeffrey A Law (law@cygnus.com)
840 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
841 reload. Never perform rescans of the insn chain after reload.
842 (propagate_block): Do not delete insn or create new autoinc addressing
845 * jump.c (jump_optimize): Unconditionally use the code that was
846 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
847 * reload1.c (reload): When reloading is finished, delete all
848 REG_DEAD and REG_UNUSED notes.
849 (emit_reload_insns): Delete all code that was conditional on
850 PRESERVE_DEATH_INFO_REGNO_P.
851 (no_longer_dead_regs): Delete variable.
852 (reload_cse_delete_death_notes): Delete function.
853 (reload_cse_no_longer_dead): Delete function.
854 (reload_cse_regs_1): Delete all code to handle deletion of death
856 (reload_cse_noop_set_p): Likewise.
857 (reload_cse_simplify_set): Likewise.
858 (reload_cse_simplify_operands): Likewise.
859 (reload_cse_move2add): Likewise.
860 * reorg.c (used_spill_regs): Delete declaration.
861 (max_label_num_after_reload): Delete declaration.
862 (find_dead_or_set_registers): Don't assume that spill regs are
863 dead at a CODE_LABEL.
864 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
866 * sched.c (sched_analyze_insn): Likewise.
867 (update_flow_info): Likewise.
868 * haifa-sched.c (sched_analyze_insn): Likewise.
869 (update_flow_info): Likewise.
870 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
871 * toplev.c (max_label_num_after_reload): Delete variable.
872 (rest_of_compilation): Don't set max_label_num_after_reload.
873 Call life_analysis after reload_cse_regs if optimizing.
874 * config/gmicro/gmicro.h: Delete comment referring to
875 PRESERVE_DEATH_INFO_REGNO_P.
876 * config/i386/i386.h: Likewise.
877 * config/m88k/m88k.h: Likewise.
878 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
879 * config/sh/sh.h: Likewise.
881 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
883 * loop.c (strength_reduce): Restore marking bct_p as
885 * rs6000.c (optimization_options): Change #ifdef HAIFA to
886 HAVE_decrement_and_branch_on_count.
887 (small_data_operand): Remove TARGET_ELF condition for marking
888 parameters ATTRIBUTE_UNUSED.
890 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
892 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
893 (SELECT_SECTION): Resync with svr4.h.
895 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
897 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
900 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
902 * c-pragma.c (handle_pragma_token): Test for null tree before
903 dereferencing TREE_CODE.
905 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
907 * config/c4x/c4x.c: Convert to use GEN_INT.
908 (c4x_parallel_process): Rework to handle new repeat loop structure.
910 * config/c4x/c4x.md: Convert to use GEN_INT.
911 (rptb_end): Convert to use GE test. Replace uses with clobbers.
912 (decrement_and_branch_on_count): Likewise.
914 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
915 loop.c has the desired functionality.
916 (rc_reg_operand): New prototype.
918 * config/c4x/t-c4x: Can now build all front ends.
920 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
922 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
924 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
926 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
927 * config/t-rtems: Do not install assert.h -- use newlib's.
929 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
931 * combine.c (combine_instructions): When finished, call init_recog.
932 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
934 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
936 * toplev.c: If flag_syntax_only, don't open or write assembler file.
938 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
940 * cppalloc.c (memory_full): Mark function prototype with
943 * demangle.h (collect_exit): Likewise.
945 * fix-header.c (v_fatal, fatal): Likewise.
947 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
950 * gcov.c (print_usage): Likewise.
952 * genattr.c (fatal, fancy_abort): Likewise.
954 * genattrtab.c (fatal, fancy_abort): Likewise.
956 * gencodes.c (fatal, fancy_abort): Likewise.
958 * genconfig.c (fatal, fancy_abort): Likewise.
960 * genemit.c (fatal, fancy_abort): Likewise.
962 * genextract.c (fatal, fancy_abort): Likewise.
964 * genflags.c (fatal, fancy_abort): Likewise.
966 * genopinit.c (fatal, fancy_abort): Likewise.
968 * genoutput.c (fatal, fancy_abort): Likewise.
970 * genpeep.c (fatal, fancy_abort): Likewise.
972 * genrecog.c (fatal, fancy_abort): Likewise.
974 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
975 __sjpopnthrow, __throw): Likewise.
977 * objc/objc-act.c (objc_fatal): Likewise.
979 * protoize.c (usage, aux_info_corrupted,
980 declare_source_confusing): Likewise.
982 * rtl.c (dump_and_abort): Likewise.
984 * rtl.h (sets_cc0_p): Likewise.
986 * toplev.c (float_signal, pipe_closed): Likewise.
988 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
990 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
991 when generating the decision tree for the general case.
993 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
994 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
996 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
998 * Makefile.in (sched.o): Depend on recog.h.
1000 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
1001 (unsigned) when comparing against one.
1002 (find_base_value): Likewise.
1003 (record_base_value): Cast variable `regno' to (unsigned) when
1004 comparing against one. Cast the result of REGNO() macro to
1005 (unsigned) when comparing against one.
1006 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
1008 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
1009 variable where an unsigned index is needed.
1011 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
1012 before comparing against one.
1014 * collect2.c: Add prototypes for functions `error', `fatal' and
1015 `fatal_perror'. Make these functions take variable arguments
1016 instead of faking it with a fixed number of args.
1017 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
1020 * combine.c (can_combine_p): Mark parameter `pred' with
1022 (find_split_point): Cast variable `src' to (unsigned
1023 HOST_WIDE_INT) when comparing against one.
1024 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
1025 (simplify_logical): Likewise.
1026 (force_to_mode): Cast result of INTVAL() macro to (unsigned
1027 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
1028 HOST_WIDE_INT) in shift.
1029 (simplify_and_const_int): Cast result of INTVAL() macro to
1030 `unsigned HOST_WIDE_INT' when comparing against one.
1031 (merge_outer_ops): Cast variable const0 to `unsigned
1032 HOST_WIDE_INT' when comparing against the result of
1033 GET_MODE_MASK() macro.
1034 (simplify_comparison): Likewise for variable `c0'. Cast variable
1035 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
1036 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
1037 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
1038 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
1039 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
1040 comparing against one.
1041 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
1043 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
1044 macro to `unsigned HOST_WIDE_INT' when comparing against one.
1045 (output_block_move): Cast `sizeof' expression to (int) when
1046 comparing against one.
1047 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
1049 (save_restore_insns): Cast `base_offset' to `long' to match format
1050 specifier in fprintf.
1052 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
1053 to `enum machine_mode'.
1055 * flow.c (life_analysis_1): Remove unused variable `insn'.
1057 * gcc.c (translate_options): Move variables `j' and `k' into the
1058 scope in which they are used. Change their types to `size_t'.
1059 (set_spec): Cast the argument of ctype macro to `unsigned char'.
1060 (read_specs): Likewise.
1061 (process_command): Cast `sizeof' to (int) when comparing against one.
1062 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
1063 (handle_braces): Cast both sides of `==' expression to `long' to
1064 ensure sign matching.
1065 (main): Cast variable `i' to `int' when comparing against one.
1067 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
1068 int to size_t. Cast variable `i' to size_t when comparing against
1071 * genattrtab.c (convert_set_attr_alternative): Remove unused
1072 parameter `insn_code'. All callers changed.
1073 (convert_set_attr): Likewise.
1075 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
1076 size_t when comparing against one. Likewise for variable `len'.
1078 * global.c (global_alloc): Cast variable `max_regno' to size_t
1079 when comparing against one. Likewise for variable `max_allocno'.
1081 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
1083 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
1084 `set' with ATTRIBUTE_UNUSED.
1085 (find_free_reg): Cast `sizeof' expression to (int) when comparing
1088 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
1089 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
1090 (get_condition): Cast variable `const_val' to `unsigned
1091 HOST_WIDE_INT' when comparing against one. Cast unsigned
1092 expression to HOST_WIDE_INT when comparing against one.
1093 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
1094 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
1095 `unsigned' when comparing against one.
1097 * protoize.c (is_id_char): Change type of parameter `ch' to
1099 (munge_compile_params): Cast argument of ctype macro to (const
1101 (process_aux_info_file): Cast variable `aux_info_size' to int when
1102 comparing against one.
1103 (forward_to_next_token_char): Cast argument of ctype macro to
1104 `const unsigned char'.
1105 (edit_formals_lists): Likewise.
1106 (find_rightmost_formals_list): Likewise.
1107 (add_local_decl): Likewise.
1108 (add_global_decls): Likewise.
1109 (edit_fn_definition): Likewise.
1110 (do_cleaning): Likewise.
1111 (scan_for_missed_items): Likewise.
1112 (edit_file): Cast variable `orig_size' to (int) when comparing
1114 (main): Cast argument of ctype macro to `const unsigned char'.
1116 * recog.c (const_int_operand): Mark parameter `mode' with
1119 * regclass.c (record_reg_classes): Change type of variable `c' to
1120 `unsigned char'. Cast `char' array index to `unsigned char'.
1122 * reload.c (push_secondary_reload): Cast argument to
1123 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
1125 * reload1.c (calculate_needs): Cast `char' array index to
1127 (set_label_offsets): Change type of variable `i' to unsigned int.
1128 Cast result of XVECLEN() macro to unsigned when comparing against
1130 (mark_not_eliminable): Change type of variable `i' to unsigned.
1131 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
1132 when comparing against one.
1133 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
1134 comparing against one.
1135 (choose_reload_regs): Hide unused label `fail'.
1136 (reload_cse_simplify_operands): Cast `char' array index to
1138 (reload_combine_note_store): Mark parameter `set' with
1139 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
1141 (reload_cse_move2add): Remove unused variable `src2'.
1143 * sched.c: Include recog.h.
1144 (sched_note_set): Remove unused parameter `b'. All callers
1146 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
1147 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
1148 when comparing against one.
1150 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
1151 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
1152 comparing against one.
1154 * unroll.c (precondition_loop_p): Remove unused parameter
1155 `loop_end'. All callers changed.
1157 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1159 * reload1.c (maybe_fix_stack_asms): New static function.
1162 * reload.h (compute_use_by_pseudos): Declare.
1164 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
1165 (something_needs_reloads): Delete variable.
1166 (finish_spills): New function.
1167 (compute_use_by_pseudos): New function.
1169 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
1170 Use the reload_insn_chain instead of walking the rtl directly.
1172 (reload): Allocate and free spilled_pseudos.
1173 Ensure that all calls of spill_hard_reg are followed by a call to
1175 Use the insns_need_reload list instead of something_needs_reloads
1176 to find out if reload_as_needed must be called.
1177 Clear unused_insn_chains at the end.
1179 (calculate_needs_all_insns): Lose FIRST parameter. All callers
1181 Delete code to keep track of current basic block.
1182 Walk reload_insn_chain instead of the rtl structure. Build the
1183 insns_need_reload chain.
1184 Remember which insns need reloading/elimination by setting the
1185 appropriate fields in struct insn_chain, not by putting modes on the
1188 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
1189 arg INSN. All callers changed.
1190 Delete declaration of struct needs.
1191 Don't set something_needs_reloads.
1192 Record insn needs in the CHAIN argument.
1194 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
1196 (reload_as_needed): Lose FIRST arg. All callers changed.
1197 Walk the reload_insn_chain instead of the rtx structure.
1198 Delete code to keep track of current basic block.
1199 Rename one of the NEXT variables to OLD_NEXT.
1201 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
1203 (choose_reload_regs): Likewise.
1205 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
1208 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
1209 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
1210 (hard_regs_live, hard_regs_need_restore): Delete variables.
1211 (n_regs_saved): Now static.
1212 (referenced_regs, this_insn_sets): New variables.
1214 (setup_save_areas): Restructure the code a bit.
1216 (restore_referenced_regs): Delete function.
1217 (mark_referenced_regs): New function, similar to the old
1218 restore_referenced_regs, but mark registers in referenced_regs.
1220 (clear_reg_live): Delete function.
1221 (mark_set_regs): Renamed from set_reg_live. All callers changed.
1222 Only mark registers in this_insn_sets.
1224 (save_call_clobbered_regs): Rework this function to walk the
1225 reload_insn_chain instead of using the list of instructions directly.
1226 Delete code to keep track of register lives, compute live regs on the
1227 fly from information in the chain.
1228 Instead of calling restore_referenced_regs, use mark_referenced_regs,
1229 then walk the set it computes and call insert_restore as appropriate.
1231 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
1233 Restructure the code a bit. Test hard_regs_saved instead of
1234 hard_regs_need_restore.
1235 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
1236 args. All callers changed.
1237 Restructure the code a bit. Use TO_SAVE to determine which regs to
1238 save instead of more complicated test.
1239 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
1241 Create a new insn_chain structure for the new insn and place it
1244 * rtl.texi: Update documentation to reflect that reload no longer
1245 puts modes on the insns.
1247 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1249 * function.c (purge_addressof_1): Force the first argument of a
1250 CALL insn to memory.
1252 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
1254 * rtl.h: Delete duplicate prototypes. Add some missing
1256 * rtlanal.c: (for_each_rtx): Formatting tweak.
1258 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1260 * real.c (emdnorm and etoasc): Disable round to even for c4x target
1261 to be compatible with TI compiler.
1263 * Makefile.in (USER_H): Add va-c4x.h to definition.
1265 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
1267 * function.c (purge_addressof_1): Fix typo in inequality: do
1268 bitfield optimization for equal mode sizes.
1269 * expmed.c (store_bit_field): Don't take subregs of subregs in
1270 the movstrict case. Tidy a potential problem in the multi-word case.
1271 (extract_bit_field): Likewise.
1273 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1275 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
1277 Compute max_uid_for_flow by calling get_max_uid after the scan.
1278 (find_basic_blocks_1): Don't emit NOPs here.
1280 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
1282 * alias.c (base_alias_check): Accept new args for the modes of the
1283 two references. Use them to determine if an AND can overlap. Update
1285 (memrefs_conflict_p): Assume sizes are aligned, and uses them
1286 to determine if an AND can overlap.
1288 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
1290 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
1291 check. Add comment to document problems with TARGET_SUN_FPA version
1293 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
1295 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1297 * Makefile.in (gencheck.o): Depend on gansidecl.h.
1299 * c-common.c (print_char_table): Add missing initializers.
1300 (scan_char_table): Likewise.
1301 (time_char_table): Likewise.
1303 * c-decl.c (c_decode_option): Mark parameter `argc' with
1305 (declare_parm_level): Mark parameter `definition_flag' with
1308 * c-lex.c (readescape): Use `(unsigned)1' in shift.
1309 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
1312 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
1314 (emit_call_1): Mark parameters `fndecl' and `funtype' with
1316 (expand_call): Cast result of MIN() to (unsigned int) when
1317 comparing against an unsigned value.
1319 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
1321 (make_definition): Remove unused parameter `op'. All callers
1323 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
1324 comparing against the result of pointer arithmetic.
1326 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
1327 when comparing against one.
1329 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
1330 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
1332 (output_die): Move variable `i' into the scope in which it is
1333 used. Change its type to `unsigned'.
1334 (output_die): Cast the result of `strlen' to (int) when passing it
1335 to ASM_OUTPUT_ASCII().
1336 (output_pubnames): Likewise.
1337 (output_line_info): Likewise.
1339 * emit-rtl.c (global_rtl): Add missing initializers.
1341 * explow.c (promote_mode): Mark parameter `for_call' with
1344 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
1345 `unsigned HOST_WIDE_INT' when comparing against one.
1346 (synth_mult): Change type of variable `cost' to int.
1347 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
1349 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
1350 when comparing against one.
1351 (get_inner_reference): Change variable `alignment' to unsigned.
1352 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
1353 int) when comparing against one.
1354 (expand_builtin_setjmp): Change type of variable `i' to size_t.
1356 * fold-const.c (div_and_round_double): Cast BASE to
1357 (HOST_WIDE_INT) when comparing against one.
1359 * gencheck.c: Include gansidecl.h.
1360 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
1362 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
1363 `tcode' with ATTRIBUTE_UNUSED.
1365 * real.c (edivm): Cast constant value to (unsigned long) in
1366 expression compared against an unsigned value.
1368 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
1369 comparing against one.
1370 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
1371 when comparing against one.
1373 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
1374 (unsigned int) when comparing against one. Likewise for
1376 (smallest_mode_for_size): Likewise.
1377 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
1378 (restore_storage_status): Likewise.
1380 * toplev.c (debug_args): Add missing initializer.
1381 (f_options): Spelling correction. Add missing initializers.
1382 (documented_lang_options): Likewise.
1383 (debug_end_source_file): Mark parameter `lineno' with
1386 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
1387 `decl' and `type' with ATTRIBUTE_UNUSED.
1389 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
1390 when comparing against one.
1391 (assemble_variable): Mark parameter `top_level' with
1393 (assemble_external_libcall): Mark parameter `fun' with
1395 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
1398 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
1400 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
1401 Replace use of r5 with use of r19.
1403 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
1405 * config/v850/v850.c (compute_register_save_size): Allow for the
1406 fact that helper functions save all registers, not just those used
1409 Replace constant 31 with macro LINK_POINTER_REGNUM.
1411 * config/v850/v850.md: Use 'indirect_operand' rather than
1412 'memory_operand' for bit test/set/clear patterns.
1414 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
1416 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
1417 * varasm.c (assemble_start_function et al): Don't call
1418 ASM_GLOBALIZE_LABEL for weak symbols.
1420 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
1422 * cse.c (equiv_constant): Check for NULL return from
1423 gen_lowpart_if_possible().
1425 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
1427 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
1429 * collect2.c (main): Pass -EL/-EB through to the compiler.
1431 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1433 * expr.c (push_block): Handle targets where the stack grows
1434 to higher addresses, but args grow to lower addresses and
1435 ACCUMULATE_OUTGOING_ARGS is not defined.
1437 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
1439 * config/v850/v850.c (print_operand): Extend meaning
1440 of 'c' operands to support .vtinherit.
1442 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1444 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
1445 Added ATTRIBUTE_UNUSED to unused function arguments.
1446 (rc_reg_operand): New predicate.
1447 (c4x_rptb_insert): New function.
1448 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
1449 (c4x_optimization_options): New function.
1451 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
1452 (decrement_and_branch_on_count): New pattern.
1453 (rptb_top): Modified pattern to work with BCT optimization.
1455 * config/c4x/c4x.h (RC_REG): New register class.
1456 (rc_reg_operand): Define prototype.
1457 (IS_RC_REG): New macro.
1458 (IS_RC_OR_PSEUDO_REG): New macro.
1459 (IS_RC_OR_PSEUDO_REGNO): New macro.
1460 (OPTIMIZATION_OPTIONS): Define.
1462 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
1464 * collect2.c (extract_init_priority): No priority is 65535.
1466 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1468 * Makefile.in (build_tooldir): new variable, same as old
1469 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
1470 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
1471 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
1473 * configure.in (gxx_include_dir): set default based on unlibsubdir
1474 * Makefile.in (tooldir): ditto
1475 (cccp.o, cpplib.o): use unlibsubdir implicitly through
1476 gxx_include_dir, includedir and tooldir
1477 (protoize.o, unprotoize.o): ditto
1479 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
1481 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
1483 * config/arm/thumb.c (thumb_override_options): Add warning about
1484 PIC code not being supported just yet.
1486 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
1488 * flow.c: Update comment.
1489 (notice_stack_pointer_modification): New static function.
1490 (record_volatile_insns): Use it.
1491 (mark_regs_live_at_end): Mark the stack pointer as alive
1492 at the end of the function if current_function_sp_is_unchanging
1494 (life_analysis_1): Set current_function_sp_is_unchanging.
1495 * function.c: Define it.
1496 (init_function_start): Initialize it.
1497 * output.h: Declare it.
1498 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
1499 the stack pointer as alive at the end of the function if
1500 current_function_sp_is_unchanging is set.
1501 * i386.c (ix86_epilogue): Optimize the restoring
1502 of the stack pointer.
1504 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
1506 * version.c: Bump for snapshot.
1508 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
1510 * c-pragma.c (handle_pragma_token): If passed a token instead
1511 of a tree, use that as the pack value.
1513 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
1515 * flow.c (find_basic_blocks_1): Fix prototype.
1517 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
1519 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
1520 (struct tree_decl): New fields no_check_memory_usage.
1521 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
1522 (init_attributes): Register it as a new attribute.
1523 (decl_attributes): Set flags on functions given that attribute.
1524 * c-decl.c (duplicate_decls): Merge new attribute.
1525 * expr.h (current_function_check_memory_usage): Declare new var.
1526 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
1527 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
1528 current_function_check_memory_usage.
1529 * function.h: Add field to struct function.
1530 * function.c (current_function_check_memory_usage): Define it.
1531 (push_function_context_to, pop_function_context_from): Save and
1533 (expand_function_start): Set it, based on global flag and function
1536 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
1537 check non-automatic variables, to permit detection of writes to
1538 read-only locations in embedded systems without memory management.
1539 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
1540 when emitting chkr_set_right_libfunc call, even if the argument is
1541 BLKmode or variable-sized; don't abort.
1543 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
1544 symbols in Pmode, not VOIDmode.
1546 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1548 * cppexp.c: When forcing unsigned comparisons, cast both sides
1551 * cpphash.h: Move static declaration of hashtab[]...
1552 * cpphash.c: ...here.
1554 * cpplib.c: Cast difference of two pointers to size_t before
1555 comparing it to size_t. Cast signed to unsigned
1556 before comparing to size_t. (FIXME: struct argdata should use
1557 unsigned buffer sizes.)
1558 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
1559 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
1560 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
1561 size_t before comparison.
1563 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
1565 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
1566 (find_basic_blocks_1): Similarly.
1567 * output.h (find_basic_blocks): Fix prototype.
1568 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
1569 find_basic_blocks anymore.
1571 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
1573 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
1574 (sbitmap_free, sbitmap_vector_free): New macros.
1575 * output.h (rtl_dump_file): Declare.
1577 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
1579 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
1581 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1583 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
1585 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
1586 (divide): Remove unused variable `tmp'.
1587 (si_to_float): Cast numeric constant to (SItype) before comparing
1590 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
1592 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
1593 * gcc.c (add_preprocessor_option): Correct typo when allocating
1594 memory, sizeof() argument had one too many `*'.
1595 (add_assembler_option): Likewise.
1596 (add_linker_option): Likewise.
1597 * gcov.c (output_data): Likewise.
1598 * local-alloc.c (memref_used_between_p): Likewise.
1599 (update_equiv_regs): Likewise.
1600 * loop.c (strength_reduce): Likewise.
1601 * reg-stack.c (record_asm_reg_life): Likewise.
1602 (subst_asm_stack_reg): Likewise.
1603 * reorg.c (dbr_schedule): Likewise.
1605 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1607 * flow.c (life_analysis_1): Break out some functions.
1608 (find_basic_blocks_1): Likewise. Also move some variables out and
1610 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
1611 new static var nonlocal_label_list with it.
1612 (active_eh_region, nested_eh_region, label_value_list,
1613 nonlocal_label_list): New static variables.
1614 (make_edges, delete_unreachable_blocks, delete_block): New static
1615 functions, broken out of find_basic_blocks_1.
1616 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
1617 noop_move_p): New static functions, broken out of life_analysis_1.
1619 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
1621 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
1622 Take extra care for op0 now possibly being a subreg.
1623 (extract_bit_field): Likewise.
1624 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
1625 the reg to memory if there is no equal sized integral mode.
1626 * stor-layout.c (int_mode_for_mode): New function.
1627 * machmode.h: Prototype it.
1629 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
1631 * global.c (build_insn_chain): Verify no real insns exist past the
1632 end of the last basic block, then exit the loop.
1634 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
1636 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
1638 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
1640 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
1642 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
1644 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
1646 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
1648 * flow.c (find_basic_blocks): Correctly determine when a call
1649 is within an exception region.
1651 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
1653 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
1655 * cpplib.h: Protect from multiple inclusions.
1656 * cpplib.c: Fix minor formatting problems.
1658 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
1660 * jump.c (jump_optimize): Revert accidental patch.
1662 * Makefile.in (cpplib.o): Use unlibsubdir.
1664 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
1666 * loop.c (get_condition): Allow combine when either compare is
1669 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
1671 * version.c: Bump for snapshot.
1673 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
1675 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
1676 (init_lex): Initialize ridpointers[RID_BYREF].
1677 * c-lex.h (enum rid): Add RID_BYREF.
1678 * c-parse.gperf: Add RID_BYREF as a type qualifier.
1679 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
1680 (encode_type_qualifiers): Similarly
1681 * c-gperf.h: Rebuilt.
1683 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
1685 * c-common.c (type_for_mode): Only return TItype nodes when
1686 HOST_BITS_PER_WIDE_INT is >= 64 bits.
1687 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
1688 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
1689 (init_decl_processing): Only create TItype nodes when
1690 HOST_BITS_PER_WIDE_INT is >= 64 bits.
1691 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
1692 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
1694 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1696 * stmt.c (n_occurrences): New static function.
1697 (expand_asm_operands): Verify that all constrains match in the
1698 number of alternatives.
1699 Verify that '+' or '=' are at the beginning of an output constraint.
1700 Don't allow '&' for input operands.
1701 Verify that '%' isn't written for the last operand.
1702 * reload.c (find_reloads): Abort if an asm is found with invalid
1703 constraints; all possible problems ought to be checked for earlier.
1705 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1707 * flags.h (flag_branch_on_count_reg): Always declare
1708 * toplev.c (flag_branch_on_count_reg): Likewise.
1709 * toplev.c: Fix typos.
1711 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
1714 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
1716 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
1718 (find_basic_blocks_1): Add a nop to the end of a basic block when
1719 a trailing call insn does not have abnormal control flow.
1720 * gcse.c (pre_transpout): New variable.
1721 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
1722 (compute_pre_transpout): Calculate it.
1723 (compute_pre_ppinout): Use it to eliminate impossible placements
1724 due to abnormal control flow through calls.
1725 (compute_pre_data): Call compute_pre_transpout.
1727 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1729 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
1731 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
1733 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
1734 and matching define_insns): Tack on a `use' of the table label, so
1735 flow analysis will recognize a tablejump.
1737 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
1739 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
1740 always end basic blocks for abnormal edge reasons.
1742 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
1744 * config/i386/i386.h: Remove definition of
1745 HANDLE_PRAGMA_PACK_PUSH_POP.
1747 * config/i386/go32.h: Add definition of
1748 HANDLE_PRAGMA_PACK_PUSH_POP.
1750 * config/i386/win32.h: Add definition of
1751 HANDLE_PRAGMA_PACK_PUSH_POP.
1753 * config/i386/cygwin32.h: Add definition of
1754 HANDLE_PRAGMA_PACK_PUSH_POP.
1756 * c-pragma.c (insert_pack_attributes): Do not insert
1757 attributes unless #pragma pack(push,<n>) is in effect.
1759 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
1761 * expr.c (emit_group_store): Handle a PARALLEL destination.
1763 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
1765 * gcse.c (pre_insert_insn): When a call ends a bb, insert
1766 the new insns before the argument regs are loaded.
1768 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1770 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
1771 (c-parse.gperf): Update comments describing invocation flags.
1772 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
1774 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
1776 * reload1.c (reload): Call free before clobbering the memory
1777 locations or constants pointers.
1779 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1781 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
1782 for efficiency by checking whether we need to modify the current
1783 stack permission at all.
1784 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
1785 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
1786 __enable_execute_stack libcall here too if
1787 TRANSFER_FROM_TRAMPOLINE is defined.
1788 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
1791 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
1793 * Makefile.in (DRIVER_DEFINES): Remove last change.
1795 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1797 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
1798 insns we're going to copy.
1799 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
1801 * loop.c (count_one_set): Add prototype.
1803 * caller-save.c (restore_referenced_regs): Lose mode argument.
1804 (insert_save): Lose mode argument.
1805 (insert_restore): Lose mode argument.
1806 (insert_one_insn): Lose mode argument.
1807 (save_call_clobbered_regs): Lose mode argument.
1808 (setup_save_areas): Take no argument and return void. All callers
1810 Don't verify validity of memory addresses.
1811 * reload.h (setup_save_ares): Adjust prototype.
1812 (save_call_clobbered_regs): Likewise.
1813 * reload1.c (delete_caller_save_insns): New function.
1814 (caller_save_spill_class): Delete variable.
1815 (caller_save_group_size): Delete variable.
1816 (reload): Call setup_save_areas and save_call_clobbered_regs
1817 in the main loop, before calling calculate_needs_all_insns.
1818 Don't call save_call_clobbered_regs after the loop.
1819 Call delete_caller_save_insns at the end of an iteration if
1821 Delete code to manage caller_save_spill_class.
1822 Emit the final note before setting reload_first_uid.
1823 Simplify test that determines whether reload_as_needed gets run.
1824 (calculate_needs): Delete code to manage caller_save_spill_class.
1826 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
1828 * collect2.c (main): Initialize ld_file_name.
1830 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
1832 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
1833 check for flag_function_sections.
1835 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1837 * cse.c (insert_regs): Fix bug in Sep 24 change.
1839 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1841 * flags.h (flag_dump_unnumbered): Declare.
1842 * toplev.c (flag_dump_unnumbered): Don't declare.
1843 * print-rtl.c (flags.h): Include.
1844 (print_rtl_single): Add return value.
1845 * rtl.h (print_rtl_single): Update declaration.
1846 * flow.c (flag_dump_unnumbered): Don't declare.
1847 (print_rtl_with_bb): Use return value of print_rtl_single.
1849 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1851 * loop.c (count_one_set): New static function, broken out of
1853 (count_loop_regs_set): Call it.
1854 * global.c (mark_reg_store): Handle clobbers here by not calling
1856 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
1857 is in fact a clobber.
1858 * integrate.c (process_reg_param): New function, broken out of
1859 expand_inline_function.
1860 (expand_inline_function): Call it.
1863 * i386.md (addsidi3_1): Delete unused variable temp.
1864 (addsidi3_2): Likewise.
1865 (clstrstrsi): Delete unused variable addr1.
1867 * rtl.h: Don't declare any functions also declared in recog.h.
1869 * Makefile.in (stupid.o): Update dependencies.
1870 (global.o): Likewise.
1872 * global.c: Include reload.h
1873 (reg_becomes_live): New function.
1874 (reg_dies): New function.
1875 (build_insn_chain): New function.
1876 (global_alloc): Call build_insn_chain before calling reload.
1878 * reload.h (struct needs): New structure definition.
1879 (struct insn_chain): Likewise.
1880 (reload_insn_chain): Declare variable.
1881 (new_insn_chain): Declare function.
1884 * reload1.c (reload_startobj): New variable.
1885 (reload_insn_chain): New variable.
1886 (unused_insn_chains): New variable.
1887 (new_insn_chain): New function.
1888 (init_reload): Initialize reload_startobj, not reload_firstobj.
1889 (reload): Initialize reload_firstobj.
1890 Before returning, free everything on the reload_obstack.
1892 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
1893 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
1894 current_chain): New variables.
1895 (reg_where_born): Delete variable.
1896 (REG_WHERE_BORN): New macro.
1897 (find_clobbered_regs): New function.
1898 (stupid_life_analysis): Don't allocate/free reg_where_born.
1899 Allocate and free reg_where_born_exact, reg_where_born_clobber,
1900 reg_where_dead_chain.
1901 Use REG_WHERE_BORN instead of reg_where_born.
1902 While processing the insns, build the reload_insn_chain with
1903 information about register lifetimes.
1904 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
1905 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
1907 Compute and information about birth and death of pseudo registers in
1908 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
1909 Delete code to set elements of reg_where_born.
1911 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
1913 * tree.def (GOTO_EXPR): Modified documentation.
1914 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
1917 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
1919 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
1920 loop_final_value, loop_comparison_code): No longer static.
1921 (unroll_loop): Delete loop_start_value update.
1922 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
1923 loop_final_value, loop_comparison_code): Extern.
1924 (loop_start_value): Delete extern.
1925 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
1926 loop_comparison_value, loop_comparison_code): Delete.
1927 (loop_optimize): Remove initialization for deleted variables.
1928 (strength_reduce): Delete analyze_loop_iterations call. Only call
1929 insert_bct if flag_branch_count_on_reg set.
1930 (analyze_loop_iterations): Delete.
1931 (insert_bct): Remove iteration count calculation. Move checks for
1932 viable BCT optimization to here. Obtain iteration count from
1933 loop_iterations and correct for unrolling. Check for enough
1934 iteration to be beneficial. Comment out runtime iteration count
1936 (insert_bct): Print iteration count in dump file. Remove
1937 loop_var_mode and use word_mode directly.
1939 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
1940 * rs6000.c (rs6000_override_options): Use it.
1941 (optimization_options): Enable use of flag_branch_on_count_reg.
1942 * rs6000.md (define_function_unit): Describe 604e.
1944 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1946 * loop.c (move_movables): Corrected threshold calculation for
1947 moved_once registers.
1949 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1951 * loop.c (combine_givs_p): Fix test for identical givs.
1953 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
1955 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
1956 call abort if the function is already defined.
1958 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
1960 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
1961 truncation is not a no-op.
1963 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
1965 * version.c: Bump for snapshot.
1967 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
1969 * version.c: Bump for snapshot.
1971 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
1973 * expmed.c (expand_divmod): Don't widen for computing remainder
1974 if we seem to have a divmod pattern for needed mode.
1976 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1978 * cpplib.c (macroexpand): Correct off-by-one error in handling
1981 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
1983 * combine.c (expand_field_assignment): Don't do bitwise operations
1984 on MODE_FLOAT; pun to MODE_INT if possible.
1986 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
1987 scott snyder <snyder@d0sgif.fnal.gov>
1989 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
1990 linker. Recognize mangled names in quotes.
1992 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1994 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
1995 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
1996 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
1997 (lshrsi3_extend, lshrsi3_extend2): Ditto.
1999 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2001 * function.c (purge_addressof_1): If trying to take a sub-word
2002 integral piece of a floating point mode, put it on the stack.
2004 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
2006 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
2008 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
2010 * PROJECTS: Remove template friends.
2012 * collect2.c (sort_ids): Remove unused variable.
2014 * tm.texi (MATH_LIBRARY): Document.
2015 (NEED_MATH_LIBRARY): Remove.
2017 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
2018 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
2020 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
2022 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
2023 last_end to 0x7fffffff.
2025 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2027 * function.c (purge_addressof_1): Do not perform endianness
2028 corrections on bitpos, who we call will do it for us.
2030 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
2032 * h8300.c (WORD_REG_USED): Fix typo.
2033 (initial_offset): Use WORD_REG_USED.
2035 * h8300.c (handle_pragma): Fix typo.
2037 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2039 * caller-save.c (insert_save_restore): Break this function up
2040 into new functions insert_restore, insert_save and insert_one_insn.
2041 All callers changed.
2042 (insert_restore): New function, mostly broken out of
2043 insert_save_restore.
2044 (insert_save): Likewise.
2045 (insert_one_insn): Likewise.
2046 (restore_referenced_regs): New argument BLOCK. All callers changed.
2047 (save_call_clobbered_regs): Don't keep track of basic block boundaries
2048 in this function, do it in insert_one_insn instead.
2050 * reload1.c (reload): Break out some more pieces into separate
2052 (dump_needs): New function, broken out of reload.
2053 (set_initial_elim_offsets): Likewise.
2054 (init_elim_table): Likewise.
2055 (update_eliminables): Likewise.
2057 * global.c (global_alloc): Delete code to manage the scratch_list.
2058 * local-alloc.c (qty_scratch_rtx): Delete.
2059 (scratch_block): Delete.
2060 (scratch_list): Delete.
2061 (scratch_list_length): Delete.
2062 (scratch_index): Delete.
2063 (alloc_qty_for_scratch): Delete.
2064 (local-alloc): Update initialization of max_qty.
2065 Delete code to manage the scratch list.
2066 Delete code to allocate/initialize qty_scratch_rtx.
2067 (block_alloc): Don't allocate quantities for scratches.
2068 Delete code to manage the scratch list.
2069 * regs.h (scratch_list): Delete declaration.
2070 (scratch_block): Delete declaration.
2071 (scratch_list_length): Delete declaration.
2072 * reload1.c (reload): Delete code to manage the scratch list.
2073 (spill_hard_reg): Likewise.
2074 (mark_scratch_live): Delete.
2076 * recog.c (alter_subreg): Delete declaration.
2078 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
2080 * Makefile.in (cccp.o): Fix typo in last patch.
2082 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2084 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
2085 * config/sh/lib1funcs.asm (___set_fpscr): Add.
2087 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
2089 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
2090 NULL_RTX as an argument.
2092 * Makefile.in (unlibsubdir): Define.
2093 (DRIVER_DEFINES): Use unlibsubdir.
2094 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
2095 (stmp-fixinc): Similarly.
2097 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2099 * regmove.c (regmove_optimize): Add variable old_max_uid.
2100 At the end of the function, update basic_block_end.
2102 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2104 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
2105 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
2108 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
2110 * config/arm/arm.c: Improve interworking support.
2112 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2114 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
2115 copied from reload_out[r] .
2117 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
2119 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
2120 with more than three size ranges.
2122 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
2124 * rtl.c (mode_name): Add a null string at the end of the array.
2125 (mode_wider_mode): Change type to unsigned char.
2126 (mode_mask_array): New variable.
2127 (init_rtl): Update for mode_wider_mode type change.
2129 * rtl.h (mode_wider_mode): Change type to unsigned char.
2130 (mode_mask_array): Declare.
2131 (GET_MODE_MASK): Use mode_mask_array.
2133 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
2135 * calls.c (expand_call) : Encapsulate code into
2136 copy_blkmode_from_reg.
2137 * expr.c (copy_blkmode_from_reg): New function.
2138 * expr.h (copy_blkmode_from_reg): New function.
2139 * integrate.c (function_cannot_inline_p): We can inline
2141 (expand_inline_function): Use copy_blkmode_from_reg
2142 if needed. Avoid creating BLKmode REGs.
2143 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
2146 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
2148 * config/v850/v850.c: Add function prototypes.
2149 Add support for v850 special data areas.
2151 * config/v850/v850.h: Add support for v850 special data areas.
2153 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
2154 HANDLE_PRAGMA_PACK_PUSH_POP.
2155 (push_alignment): New function: Cache an alignment requested
2156 by a #pragma pack(push,<n>).
2157 (pop_alignment): New function: Pop an alignment from the
2159 (insert_pack_attributes): New function: Generate __packed__
2160 and __aligned__ attributes for new decls whilst a #pragma pack
2162 (add_weak): New function: Cache a #pragma weak directive.
2163 (handle_pragma_token): Document calling conventions. Add
2164 support for #pragma pack(push,<n>) and #pragma pack (pop).
2166 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
2167 are defined enable HANDLE_PRAGMA_PACK.
2168 Move 'struct weak_syms' here (from varasm.c).
2169 Add pragma states for push and pop pragmas.
2171 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
2174 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
2175 HANDLE_GENERIC_PRAGMAS.
2177 * varasm.c: Move definition of 'struct weak_syms' into
2179 (handle_pragma_weak): Deleted.
2181 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
2183 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
2185 * c-decl.c (start_function): Add invocation of
2186 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
2188 * tm.texi: Remove description of non-existant macro
2189 SET_DEFAULT_SECTION_NAME.
2191 (HANDLE_SYSV_PRAGMA): Document.
2192 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
2194 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
2196 * config.sub: Recognize i[34567]86-pc-udk as new target.
2197 * configure.in: Likewise.
2198 * config/i386/t-udk: New file.
2199 * config/i386/udk.h: New file.
2201 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
2203 * reorg.c (check_annul_list_true_false): Remove unused variables.
2204 (steal_delay_list_from_target): Add missing "used_annul" variable.
2205 (try_merge_delay_insns): Close out half formed comment.
2207 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2209 * cpplib.c (macroexpand): If arg->raw_before or
2210 arg->raw_after, remove any no-reexpansion escape at the
2211 beginning of the pasted token. Correct handling of whitespace
2212 markers and no-reexpand markers at the end if arg->raw_after.
2214 * toplev.c (documented_lang_options): Recognize -include,
2215 -imacros, -iwithprefix, -iwithprefixbefore.
2216 * cpplib.c (cpp_start_read): Process -imacros and -include
2217 switches at the same time and in command-line order, after
2218 initializing the dependency-output code. Emit properly nested
2219 #line directives for them. Emit a #line for the main file
2220 before processing these switches, and don't do it again
2223 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
2225 * function.c (purge_addressof_1): Use bitfield manipulation
2226 routines to handle mem mode < reg mode.
2228 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2230 * reorg.c (try_merge_delay_insns): Account for resources referenced
2231 in each instruction in INSN's delay list before trying to eliminate
2232 useless instructions. Similarly when looking at a trial insn's delay
2235 * reorg.c (check_annul_list_true_false): New function.
2236 (steal_delay_list_from_{target,fallthrough}): Call it and also
2237 refine tests for when we may annul if already filled a slot.
2238 (fill_slots_from_thread): Likewise.
2239 (delete_from_delay_slot): Return newly-created thread.
2240 (try_merge_delay_isns): Use its new return value.
2242 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
2244 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
2245 used to compute a giv or as some other non-counting use.
2247 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2249 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2250 * local-alloc.c (find_free_reg): Use it.
2251 * global.c (find_reg): Likewise.
2252 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
2254 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
2255 * caller-save.c (init_caller_save): Use it.
2256 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
2258 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2260 * configure.in: Add --enable-cpplib option which uses cpplib
2261 for cpp, but doesn't link cpplib into cc1. Make help text
2262 capitalization consistent.
2263 * configure: Rebuilt.
2265 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
2267 * function.c (gen_mem_addressof): If the address REG is
2268 REG_USERVAR_P make the new REG be so also.
2269 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
2270 in an attempt to clarify slightly.
2272 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
2274 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
2275 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
2277 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
2279 * toplev.c: Fix last patch.
2281 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
2283 * loop.c (get_condition): Fix typo in May 9 change.
2285 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2287 * invoke.texi (-fexceptions): Merge 2 different descriptions.
2289 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2291 * toplev.c (documented_lang_options): Spelling corrections.
2293 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2295 * configure.in: new flags --with-ld and --with-as, equivalent
2296 to setting LD and AS environment variables. Test whether
2297 specified arguments are GNU commands, and report them with
2298 checking messages. Use the specified AS for configure
2301 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
2303 * gcc.c (find_a_file): when looking for `as' and `ld', return
2304 the DEFAULT program if it exists
2305 * collect2.c (main): use DEFAULT_LINKER if it exists
2307 * gcc.c (find_a_file): the test for existence of a full
2308 pathname was reversed
2310 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
2312 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
2313 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
2315 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
2317 * tree.h (TYPE_BINFO): Document.
2319 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
2321 * i386-coff.h (dbxcoff.h): Added.
2323 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
2325 * toplev.c: fix bad patch around flag_data_sections.
2327 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
2329 * reload1.c (reload): Use reload_address_index_reg_class and
2330 reload_address_base_reg_class when setting
2331 caller_save_spill_class. (Patch generated by Jim Wilson:
2334 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
2336 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
2337 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
2338 * expr.c (store_field): Add alias_set parameter. Set the
2339 MEM_ALIAS_SET accordingly, if the target is a MEM.
2340 (expand_assignment): Use it.
2341 (store_constructor_field): Pass 0.
2342 (expand_expr): Likewise.
2344 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
2346 * flags.h: Add flag_data_sections.
2347 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
2348 (compile_file): Error if flag_data_sections not supported.
2349 * varasm.c (assemble_variable): Handle flag_data_sections.
2350 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
2351 * config/mips/elf.h: Likewise.
2352 * config/mips/elf64.h: Likewise.
2353 * invoke.texi: Describe -fdata-sections.
2355 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
2357 * invoke.texi (-ffloat-store): Clarify that this option
2358 does not affect intermediate results -- only variables.
2360 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
2362 * cpp.texi: Update for Fortran usage from Craig.
2364 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
2366 * rs6000.c (function_arg_boundary): Revert accidental change on
2369 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
2371 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
2372 (output_mi_thunk): Declare.
2374 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
2375 (output_function_profiler): Use r12 for temp, instead of r11 so
2376 that we preserve the static chain register.
2378 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
2380 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
2382 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2384 * sh.c (gen_shl_sext): Fix case 5.
2386 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2388 * reload1.c (reload_combine): Re-add line that got accidentally lost.
2390 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2392 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
2393 accessing variables until they are initialized via va_arg().
2395 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2397 * reload1.c (reload_combine): Initialize set before using.
2399 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
2401 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
2404 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
2406 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
2407 operand3 with mask before using it. Patch provided by Jim Wilson.
2409 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2411 * config/sparc/sparc.c (function_value): Perform the equivalent of
2412 PROMOTE_MODE for ARCH64.
2413 (eligible_for_epilogue_delay): Allow DImode operations in delay
2414 slot of a return for ARCH64.
2416 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2418 * sh.md (sqrtsf2): Fix mode of sqrt.
2420 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2422 * reload1.c (choose_reload_regs): Also try inheritance when
2423 reload_in is a stack slot of a pseudo, even if we already got a
2426 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2428 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
2429 (reload_cse_regs): New function body: call reload_cse_regs_1,
2430 reload_combine, reload_cse_move2add.
2431 When doing expensive_optimizations, call reload_cse_regs_1 a
2432 second time after reload_cse_move2add.
2433 (reload_combine, reload_combine_note_store): New functions.
2434 (reload_combine_note_use): New function.
2435 (reload_cse_move2add, move2add_note_store): New functions.
2437 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2439 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
2440 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
2442 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
2443 more than 3 such reloads.
2445 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
2446 RELOAD_FOR_X_ADDR_ADDR reload.
2448 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2450 * expr.c (store_constructor): When initializing a field that is smaller
2451 than a word, at the start of a word, try to widen it to a full word.
2453 * cse.c (cse_insn): When we are about to change a register,
2454 remove any invalid references to it.
2456 (remove_invalid_subreg_refs): New function.
2457 (mention_regs): Special treatment for SUBREGs.
2458 (insert_regs): Don't strip SUBREG for call to mention_regs.
2459 Check if reg_tick needs to be bumped up before that call.
2460 (lookup_as_function): Try to match known word_mode constants when
2461 looking for a norrower constant.
2462 (canon_hash): Special treatment for SUBREGs.
2464 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2466 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
2467 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
2468 defined, emit libcall to __enable_execute_stack. Also fix opcodes
2469 and offsets in actual stack trampoline code so they match the
2470 commentary and actually work.
2472 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2474 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
2476 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
2477 tmake_file. Set extra_parts to needed crt objects.
2478 * configure: Rebuilt.
2479 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
2480 (TARGET_DEFAULT): Set if default is v9 or ultra.
2481 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
2482 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
2483 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
2484 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
2485 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
2486 (TARGET_VERSION): Define.
2487 (MULTILIB_DEFAULT): Define.
2488 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
2489 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
2490 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
2492 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
2493 * config/sparc/sparc.c (sparc_override_options): If arch and
2494 pointer size disagree, emit diagnostic and fix it up. If
2495 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
2496 V8PLUS in 64-bit mode.
2497 * config/sparc/t-linux64: New file.
2498 * config/sparc/t-sol2-64: New file.
2499 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
2500 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
2501 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
2502 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
2503 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
2504 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
2506 (STARTFILE_SPEC): Set approriately based upon those.
2507 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
2508 disposition of DEFAULT_ARCH32_P.
2509 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
2510 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
2511 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
2512 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
2513 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
2515 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
2517 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
2519 * rtl.h (init_virtual_regs): New function.
2520 * emit-rtl.c (init_virtual_regs): Define.
2521 (insn_emit): Use it.
2522 * integrate.c (save_for_inline_copying): Likewise.
2524 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
2526 * config/arm/thumb.h: The following patches were made by Jim Wilson:
2527 (enum reg_class): Add NONARG_LO_REGS support.
2528 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
2529 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
2530 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
2531 completes. Re-enable HImode REG+OFFSET addresses.
2532 (LEGITIMIZE_RELOAD_ADDRESS): Define.
2534 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
2536 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
2538 * alpha.c (get_aligned_mem): Revert Sep 20 change.
2539 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
2540 (alpha_align_insns): Properly calculate initial offset wrt max_align.
2542 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
2544 * arm.c (find_barrier): Revert change of Apr 23. Handle table
2545 jumps as a single entity, taking into account the size of the
2548 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2550 * tree.def (SWITCH_EXPR): New tree node definition.
2552 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
2554 * version.c: Bump for snapshot.
2556 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
2558 * version.c: Bump for snapshot.
2560 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
2562 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
2565 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
2567 * Revert this patch.
2568 * reload.c (find_reloads): Do not replace a pseudo with
2569 (MEM (reg_equiv_addr)) in the initializing insn for the
2572 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
2574 * final.c (final_scan_insn): Disable tracking CC across branches.
2576 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2578 * expr.h (eh_rtime_match_libfunc): New extern declaration.
2579 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
2580 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
2581 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
2582 NULL. Only include <stdio.h> if inhibit_libc is not defined.
2584 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
2586 * toplev.c (rest_of_compilation): Skip compiling anything with
2587 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
2589 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
2591 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
2592 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
2593 use in_libcall_block.
2594 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
2595 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
2598 Mon Sep 21 14:02:23 1998
2600 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
2601 typo in no-fancy-math-387 description.
2603 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
2605 * version.c: Bump for snapshot.
2607 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
2609 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
2611 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
2613 * i386.h: (TARGET_SWITCHES) Add description fields for flags
2614 documented in install.texi.
2615 (TARGET_OPTIONS) Likewise.
2617 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
2619 * version.c: Bump for snapshot.
2621 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
2623 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
2624 * cccp.c (main): Likewise.
2626 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
2627 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
2630 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
2632 * Makefile.in (LIBS): Link in libiberty.a.
2633 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
2635 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
2637 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
2638 it to update bb boundaries. Update caller.
2639 * function.c (reposition_prologue_and_epilogue_notes): Update
2640 bb boundaries wrt the moved note.
2642 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
2644 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
2646 * configure: Regenerate.
2648 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
2650 * alpha.c (alpha_sr_alias_set): New variable.
2651 (override_options): Set it.
2652 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
2653 (mode_mask_operand): Fix signed-unsigned comparision warning.
2654 (alpha_expand_block_move): Likewise.
2655 (print_operand): Likewise.
2656 (get_aligned_mem): Use change_address.
2657 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
2658 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
2659 (alphaev4_next_nop, alphaev5_next_nop): New functions.
2660 (alpha_align_insns): Remade from old alphaev5_align_insns
2661 to handle multiple processors.
2662 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
2663 * output.h (label_to_alignment): Prototype.
2665 * tree.c (new_alias_set): New function.
2666 * tree.h (new_alias_set): Declare it.
2667 * c-common.c (c_get_alias_set): Use it.
2669 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
2671 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
2672 to an ABS expr, convert an unsigned input to signed.
2674 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
2676 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
2678 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2680 * configure.in: Add support for c4x targets.
2681 * configure: Rebuilt.
2683 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
2685 * combine.c (distribute_notes): If an insn is a cc0 user, only
2686 delete it if we can also delete the cc0 setter.
2688 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
2690 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
2691 (invert_truthvalue): Enable truthvalue inversion for
2692 floating-point operands if -ffast-math.
2694 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
2696 * configure.in: Disable collect2 for nextstep. Instead use
2698 * configure: Rebuilt.
2699 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
2700 (ENDFILE_SPEC): Define.
2701 (OBJECT_FORMAT_MACHO): Define.
2702 (EH_FRAME_SECTION_ASM_OP): Define.
2703 * crtstuff.c: Handle MACHO.
2705 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
2707 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
2709 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
2711 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
2712 (_fpadd_parts): Get sign right for 0.
2714 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2716 * ginclude/varargs.h: Add support for C4x target.
2717 * ginclude/stdargs.h: Likewise.
2719 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
2721 * alpha.c (alpha_return_addr): SET should be VOIDmode.
2722 (alpha_emit_set_long_const): Rewrite to be callable from reload
2724 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
2725 * alpha.md (movdi): Likewise.
2727 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
2729 * arm.c (add_constant): New parameter address_only, change caller.
2730 Set it non-zero if taking the address of an item in the pool.
2731 (arm_reorg): Handle cases where we need the address of an item in
2734 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
2736 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
2737 memory addresses that are not in standard canonical form.
2739 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
2741 * README.C4X: New file with information about the c4x ports.
2742 * ginclude/va-c4x.h: New file for c4x varargs support.
2743 * config/c4x: New directory with c4x port files.
2745 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
2747 * reload.c (find_reloads): Do not replace a pseudo with
2748 (MEM (reg_equiv_addr)) in the initializing insn for the
2751 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
2753 * toplev.c (rest_of_compilation): Set bct_p on second call to
2755 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
2757 (strength_reduce): Only call analyze_loop_iterations and
2758 insert_bct if bct_p set.
2759 (check_dbra_loop): Fix typo.
2760 (insert_bct): Use word_mode instead of SImode.
2761 (instrument_loop_bct): Likewise. Do not delete iteration count
2762 condition code generation insn. Initialize iteration count before
2764 * rtl.h (loop_optimize): Update prototype.
2766 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
2767 not doubleword aligned.
2769 * rs6000.c (optimization_options): New function.
2770 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
2771 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
2772 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
2773 first; cr1 can be used for FP record condition insns.
2775 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
2777 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
2780 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
2783 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
2785 (block_move_call): New function: Call a library routine to copy a
2787 (m32r_expand_block_move): New function: Expand a "movstrsi"
2788 pattern into a sequence of insns.
2789 (m32r_output_block_move): New function: Expand a
2790 "movstrsi_internal" pattern into a sequence of assembler opcodes.
2791 (m32r_block_immediate_operand): New function: Return true if the
2792 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
2794 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2796 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
2798 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
2800 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2802 * regmove.c (copy_src_to_dest): Check that modes match.
2804 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
2806 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
2808 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
2810 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
2811 narrower than FLOAT_REGS.
2813 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2815 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
2817 * Makefile.in (old_gxx_include_dir): removed
2819 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
2821 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
2824 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
2825 (sh_handle_pragma): Change function arguments to match new
2826 specification for HANDLE_PRAGMA.
2828 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2830 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
2832 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
2833 When generating output, initialize missing struct member to zero.
2835 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2837 * regmove.c (copy_src_to_dest): Don't copy if that requires
2838 (a) new register(s).
2840 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2842 * global.c (reg_allocno): Now static.
2843 * reload1.c (reg_allocno): Delete declaration.
2844 (order_regs_for_reload): Take no arguments. Don't treat regs
2845 allocated by global differently than those allocated by local-alloc.
2847 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
2849 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
2850 condition, fix format strings.
2851 (output_function_epilogue): Likewise.
2853 * m68k/m68k.c: Don't include <stdlib.h> directly.
2855 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
2857 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
2858 mem_first_set, mem_last_set; because 0 can be a CUID.
2859 (oprs_unchanged_p): Use new definition.
2860 (record_last_reg_set_info): Likewise.
2861 (record_last_mem_set_info): Likewise.
2862 (compute_hash_table): Likewise.
2864 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
2866 * rs6000.c (output_epilogue): Handle Chill.
2868 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
2869 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
2871 * combine.c (make_extraction): If no mode is specified for
2872 an operand of insv, extv, or extzv, default it to word_mode.
2873 (simplify_comparison): Similarly.
2874 * expmed.c (store_bit_field): Similarly.
2875 (extract_bit_field): Similarly.
2876 * function.c (fixup_var_regs_1): Similarly.
2877 * recog.c (validate_replace_rtx_1): Similarly.
2878 * mips.md (extv, extzv, insv expanders): Default modes for most
2879 operands. Handle TARGET_64BIT.
2880 (movdi_uld, movdi_usd): New patterns.
2882 * pa.c (emit_move_sequence): Do not replace a pseudo with its
2883 equivalent memory location unless we have been provided a scratch
2884 register. Similarly do not call find_replacement unless a
2885 scratch register has been provided.
2887 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2889 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
2892 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
2894 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
2895 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
2896 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
2897 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
2898 * c-decl.c (init_decl_processing): Update accordingly.
2899 * expr.c (expand_builtin): Likewise.
2901 * rtl.h (global_rtl): Add cfa entry.
2902 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
2903 (LAST_VIRTUAL_REGISTER): Update.
2904 * emit-rtl.c (global_rtl): Add cfa entry.
2905 (init_emit): Initialize it.
2906 * function.c (cfa_offset): New.
2907 (instantiate_virtual_regs): Initialize it.
2908 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
2909 (expand_function_end): Call expand_eh_return.
2910 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
2912 * except.c (current_function_eh_stub_label): Kill.
2913 (current_function_eh_old_stub_label): Likwise; update all references.
2914 (expand_builtin_set_return_addr_reg): Kill.
2915 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
2916 (expand_builtin_set_eh_regs): Kill.
2917 (eh_regs): Produce a third reg for the actual handler address.
2918 (eh_return_context, eh_return_stack_adjust): New.
2919 (eh_return_handler, eh_return_stub_label): New.
2920 (init_eh_for_function): Initialize them.
2921 (expand_builtin_eh_return, expand_eh_return): New.
2922 * except.h: Update prototypes.
2923 * flow.c (find_basic_blocks_1): Update references to the stub label.
2924 * function.h (struct function): Kill stub label elements.
2926 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
2927 register number is one that would be in the previous window.
2928 Provide a dummy definition for non-windowed targets.
2929 (get_reg_addr): New function.
2930 (get_reg, put_reg, copy_reg): Use it.
2931 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
2932 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
2934 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
2935 (alpha_init_expanders): Initialize it.
2936 (alpha_expand_epilogue): Use it.
2937 * alpha.h: Declare it.
2938 * alpha.md (eh_epilogue): New.
2940 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
2941 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
2943 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
2945 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
2948 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2950 * except.h (struct eh_entry): Add false_label field.
2951 (end_catch_handler): Add prototype.
2952 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
2953 (start_catch_handler): When using old style exceptions, issue
2954 runtime typematch code before continuing with the handler.
2955 (end_catch_handler): New function, generates label after handler
2956 if needed by older style exceptions.
2957 (expand_start_all_catch): No need to check for new style exceptions.
2958 (output_exception_table_entry): Only output the first handler label
2959 for old style exceptions.
2960 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
2961 mechanism into one function, if a runtime matcher is provided.
2963 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2965 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
2967 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
2969 * integrate.c (copy_decl_list): Fix typo.
2971 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2973 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
2976 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
2978 * version.c: Bump for snapshot.
2980 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
2982 * version.c: Bump for snapshot.
2984 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
2986 * version.c: Bump for snapshot.
2988 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2990 * invoke.texi (C Dialect Options): Put back missing @end itemize.
2992 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2994 * configure.in: remove usage of `!' to negate the result of a
2995 command; some common shells do not support it
2997 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2999 * configure.in: in sparc9-sol2 config, use 'if test' not
3001 * configure: Rebuilt.
3003 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
3005 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
3006 (CPP_CPU_DEFAULT_SPEC): Likewise.
3007 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
3008 for arch64 libfuncs.
3010 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
3013 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3015 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
3017 * collect2.c: Don't declare `sys_siglist' here.
3018 (my_strsignal): Prototype and define new function. Use it in
3019 place of `sys_siglist' hacks.
3021 * mips_tfile.c: Likewise.
3023 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
3024 (GCC_NEED_DECLARATIONS): Likewise.
3026 * system.h (strsignal): Prototype it, if necessary.
3027 (sys_siglist): Declare it, if necessary.
3029 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3031 * loop.c (move_movables): While removing insn sequences, preserve
3032 the next pointer of the most recently deleted insn when we skip
3035 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
3037 * objc/config-lang.in: Do not output the name of the selected
3038 thread file when building the front-end. The Makefile for the
3039 runtime library will do this.
3041 * objc/Make-lang.in: Do not build the runtime library or install
3042 the Objective C header files. The Makefile for the runtime
3043 library will do this.
3045 * objc/Makefile.in (all.indirect): Only build the front-end.
3046 (compiler): Rename to `frontend'.
3047 (obj-runtime): Remove target.
3048 (copy-headers): Likewise.
3049 (clean): No need to remove `libobjc.a' any longer.
3051 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
3053 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
3054 supported with -mcpu=xxx.
3056 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3058 * flow.c (mark_set_1): Recognize multi-register structure return
3059 values in CALL insns.
3060 (mark_used_regs): Likewise.
3061 (count_reg_sets_1): Likewise.
3062 (count_reg_references): Likewise.
3063 * rtlanal.c (note_stores): Likewise.
3064 (reg_overlap_mentioned_p): Likewise.
3065 * haifa-sched.c (check_live_1): Likewise.
3066 (update_live_1): Likewise.
3067 (sched_analyze_1): Likewise.
3068 (sched_note_set): Likewise.
3069 (birthing_insn_p): Likewise.
3070 (attach_deaths): Likewise.
3072 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
3075 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
3077 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
3079 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3081 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
3083 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3085 * configure.in: Add check for GAS subsection -1 support.
3086 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
3087 * configure config.in: Rebuilt.
3088 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
3089 SImode is subsection -1 works, else use DImode.
3090 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
3091 subsection -1 works.
3092 * config/sparc/sparc.c (sparc_output_addr_vec,
3093 sparc_output_addr_diff_vec): Use them if defined.
3095 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
3097 * tree.h (DECL_ORIGIN): New macro.
3098 * integrate.c (copy_and_set_decl_abstract_origin): New function.
3099 (copy_decl_list): Use it.
3100 (integrate_parm_decls): Likewise.
3101 (integrate_decl_tree): Likewise.
3102 * dwarf2out.c (decl_ultimate_origin): Simplify.
3103 * dwarfout.c (decl_ultimate_origin): Likewise.
3104 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
3105 (pushdecl): Likewise.
3107 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
3109 * config/rs6000/rs6000.c (output_epilog): Add Java support.
3111 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
3113 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
3115 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
3117 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
3118 empty or has a single entry.
3120 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
3121 before calling reg_to_stack.
3123 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
3125 * alpha.c (alphaev5_insn_pipe): Abort on default case.
3126 (alphaev5_next_group): Swallow CLOBBERs and USEs.
3128 * c-tree.h (warn_long_long): Declare it.
3130 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
3132 * emit-rtl.c (gen_lowpart_common): Disable optimization of
3133 initialized float-int union if the value is a NaN.
3135 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
3137 * c-lex.c (real_yylex): Don't warn about long long constants if
3138 we're allowing long long
3140 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3142 * except.h (current_function_eh_stub_label): Declare.
3143 (current_function_eh_old_stub_label): Declare.
3144 * function.h (struct function): New members eh_stub_label and
3146 * except.c (current_function_eh_stub_label): New variable.
3147 (current_function_eh_old_stub_label): New variable.
3148 (init_eh_for_function): Clear them.
3149 (save_eh_status): Save them.
3150 (restore_eh_status): Restore them.
3151 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
3152 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
3153 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
3154 make an edge from the block that contains it to the block starting
3155 with the label if this label is one of the eh stub labels.
3156 If eh stub labels exist, show they are reachable from the last block
3159 * reload1.c (reload): Break out several subroutines and make some
3161 (calculate_needs_all_insns): New function, broken out of reload.
3162 (calculate_needs): Likewise.
3163 (find_reload_regs): Likewise.
3164 (find_group): Likewise.
3165 (find_tworeg_group): Likewise.
3166 (something_needs_reloads): New global variable, formerly in reload.
3167 (something_needs_elimination): Likewise.
3168 (caller_save_spill_class): Likewise.
3169 (caller_save_group_size): Likewise.
3170 (max_needs): Likewise.
3171 (group_size): Likewise.
3172 (max_groups): Likewise.
3173 (max_nongroups): Likewise.
3174 (group_mode): Likewise.
3175 (max_needs_insn): Likewise.
3176 (max_groups_insn): Likewise.
3177 (max_nongroups_insn): Likewise.
3178 (failure): Likewise.
3180 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
3182 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
3184 * loop.c (load_mems): Copy rtx for output mem.
3186 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
3188 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
3189 mips1 or mips2 either.
3191 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
3193 * pa.c (pa_reorg): New marking scheme for jumps inside switch
3195 (pa_adjust_insn_length): Update to work with new marking scheme
3196 for jumps inside switch tables.
3197 * pa.md (switch_jump): Remove pattern.
3198 (jump): Handle jumps inside jump tables.
3200 * Makefile.in (profile.o): Depend on insn-config.h
3202 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
3204 * iris6.h (DWARF2_UNWIND_INFO): Undef.
3206 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3208 Add preliminary native sparcv9 Solaris support.
3209 * configure.in: Recognize sparv9-*-solaris2*
3210 * configure: rebuilt
3211 * config.sub: Recognize sparcv9 just like sparc64.
3212 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
3213 config/sparc/sol2-cn.asm: Macroize so it can be shared between
3214 32-bit and 64-bit Solaris systems.
3215 * config/sparc/t-sol2: Assemble those with cpp.
3216 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
3217 (*TF*_LIBCALL): If ARCH64 use V9 names.
3218 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
3220 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3222 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
3223 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
3225 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
3227 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
3228 to Pmode if CASE_VECTOR_MODE is something else.
3230 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
3232 * prefix.c (update_path): Correctly handle cases where PATH is
3233 a substring of the builtin prefix, but specifies a different
3236 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
3238 * expr.c: Corrected comment about what MOVE_RATIO does.
3239 * config/alpha/alpha.h: Ditto.
3240 * config/1750a/1750a.h: Ditto.
3241 * config/clipper/clipper.h: Ditto.
3242 * config/i386/i386.h: Ditto.
3244 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
3246 * configure.in (m68k-next-nextstep3*): Use collect2.
3247 Similarly for x86 NeXT configurations.
3248 * configure: Rebuilt.
3250 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
3252 * configure.in: Don't assume srcdir is .../gcc
3253 * configure: Rebuilt.
3255 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
3257 * global.c: Update comments.
3258 (global_alloc): Assign allocation-numbers
3259 even for registers allocated by local_alloc in case
3260 they are later spilled and retry_global_alloc is called.
3261 (mark_reg_store, mark_reg_clobber,
3262 mark_reg_conflicts, mark_reg_death): Always record a
3263 conflict with a pseudo register even if it has been
3264 assigned to a hard register.
3265 (dump_conflicts): Don't list pseudo registers already assigned to
3266 a hard register as needing to be allocated, but do list their
3268 * local-alloc.c: Update comment.
3270 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
3272 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
3273 * configure: Rebuilt.
3275 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
3277 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
3279 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
3280 for all targets that set -msoft-float.
3282 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3284 * toplev.c (print_switch_values): Make static to match prototype.
3286 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
3288 * configure.in: If we are unable to find the "gnatbind" program,
3289 then do not configure the ada subdir.
3290 * configure: Rebuilt.
3292 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
3294 * version.c: Bump for snapshot.
3296 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
3298 * version.c: Bump for snapshot.
3300 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3302 * Makefile.in (toplev.o): Depend on $(EXPR_H).
3303 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
3305 * gansidecl.h: Define ATTRIBUTE_NORETURN.
3307 * genattrtab.c: Have insn-attrtab.c include toplev.h.
3309 * genextract.c: Have insn-extract.c include toplev.h.
3311 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
3313 * toplev.c: Include expr.h.
3314 (really_sorry, fancy_abort): Remove prototypes.
3315 (set_target_switch): Add argument in prototype.
3316 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
3317 (v_really_sorry): Likewise.
3318 (print_version, print_single_switch, print_switch_values): Make
3319 static and add prototype arguments.
3320 (decl_printable_name): Add prototype arguments.
3321 (lang_expand_expr_t): New typedef.
3322 (lang_expand_expr): Declare as a lang_expand_expr_t.
3323 (incomplete_decl_finalize_hook): Add prototype argument.
3324 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
3325 (botch): Likewise for variable `s'.
3326 (rest_of_type_compilation): Mark variables `type' and `toplev'
3327 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
3328 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
3329 (display_help): Make variable `i' an `unsigned long'.
3330 (main): Remove unused parameter `envp'.
3331 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
3332 Cast -1 when comparing it with a `size_t'.
3334 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
3335 prototype with ATTRIBUTE_NORETURN.
3336 (fatal_insn_not_found, fatal_insn, really_sorry,
3337 push_float_handler, pop_float_handler): Add prototypes.
3338 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
3339 (do_abort, botch): Add prototypes.
3341 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
3343 * final.c (final): If a label is reached only from a single jump,
3344 call NOTICE_UPDATE_CC on the jump and its predecessor before
3345 emitting the insn after the label.
3347 * i386.h: Add AMD K6 support.
3348 Change TARGET_* macros to use table lookup.
3349 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
3350 (ADJUST_COST): Change definition to call function in i386.c.
3351 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
3352 * i386.c: Add AMD K6 support.
3353 Add constants for feature tests used by TARGET_* macros.
3354 (split_di): If before reload, call gen_lowpart and gen_highpart.
3355 (x86_adjust_cost): New function.
3356 (put_jump_code): New function.
3357 (print_operand): New codes 'D' and 'd'.
3358 * i386.md: New insn types. New insn attribute "memory".
3359 Redefine scheduling parameters to use new types and add AMD K6
3360 support. Explicitly set type of most insns.
3361 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
3362 Pro and K6 prefer movl $1,reg to incl reg.
3363 (adddi3, subdi3): Set cc_status.
3364 (DImode shift patterns): Change label counters from HOST_WIDE_INT
3365 to int; x86 can't have more than 2^31 DImode shifts per file.
3366 (setcc): Combine all setcc patterns. Allow writing memory.
3367 Combine all jump patterns using match_operator.
3368 (*bzero): Name pattern. Emit mutliple stos instructions when that
3369 is faster than rep stos.
3370 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
3373 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
3375 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
3378 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
3380 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
3381 not whatever we're generating now.
3383 * alpha.c (set_frame_related_p, FRP): New.
3384 (alpha_expand_prologue): Mark frame related insns.
3385 (alpha_expand_epilogue): Likewise, but with a null FRP.
3386 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
3387 * alpha.md (exception_receiver): New.
3388 * alpha/crtbegin.asm (.eh_frame): New beginning.
3389 (__do_frame_setup, __do_frame_takedown): New.
3390 * alpha/crtend.asm (.eh_frame): New ending.
3391 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
3392 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
3393 (ASM_FILE_START): Don't emit .file for dwarf2.
3395 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
3396 * rtl.c (reg_note_name): Likewise.
3397 * rtl.texi (REG_NOTES): Likewise.
3398 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
3401 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
3403 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
3404 * i386.md (movsf, movdf, movxf): Validate memory address returned
3405 from force_const_mem. Kill useless REG_EQUAL setting code.
3407 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
3409 * m68k.md (zero_extendsidi2): Fix typo.
3411 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
3413 * configure.in: Removed references to the removed file
3414 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
3415 * arm*-*-netbsd* and ns32k-*-netbsd*.
3416 * config/i386/xm-netbsd.h: Removed unnecessary file.
3417 * config/m68k/xm-netbsd.h: Likewise.
3418 * config/sparc/xm-netbsd.h: Likewise.
3419 * config/mips/xm-netbsd.h: Likewise.
3421 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
3423 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
3424 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
3426 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
3427 for exact section attributions.
3429 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
3431 * i386/crtdll.h (CPP_PREDEFINES): Define.
3433 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
3435 * m68k.md (5200 movqi): Do not allow byte sized memory references
3437 * m68k.c (output_move_qimode): Do not use byte sized operations on
3440 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
3441 explicit rules for building. Similarly for alloca, vfprintf,
3442 choose-temp and mkstemp, getopt, getopt1, and obstack.
3443 (INCLUDES): Add $(srcdir)/../include.
3444 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
3445 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
3447 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
3449 * gcc.c (do_spec_1): [case 'o'] Account for
3450 lang_specific_extra_outfiles.
3451 (main): Correctly clear all slots in outfiles for
3452 lang_specific_extra_outfiles. Set input_file_number before
3453 calling lang_specific_pre_link.
3455 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
3457 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
3459 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3461 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
3463 (sparc_output_deferred_case_vectors): If no work to do, return.
3464 Fix thinko in Sept 1 change.
3466 1998-09-03 SL Baur <steve@altair.xemacs.org>
3468 * Makefile.in: add semicolon in BISON definition for portability.
3470 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
3472 * config/nextstep.c (handle_pragma): Correct name of third
3475 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
3477 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
3478 * config/m32r/m32r.h: Make register 17 be fixed.
3479 * config/m32r/m32r.c: Use SImode for cc operations.
3481 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
3483 * invoke.texi (Warning Options): Add -Wnon-template-friend
3486 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
3488 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
3490 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
3492 * rs6000.md (movsf): Disable explicit secondary-reload-like
3493 functionality if TARGET_POWERPC64.
3494 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
3497 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
3499 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
3500 and term.h from fixinc.wrap.
3502 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3504 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
3505 safe to include both string.h and strings.h together.
3506 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
3507 which headers to search for function declarations. Continue to
3508 prefer string.h over strings.h when both are not acceptable.
3510 * acconfig.h (STRING_WITH_STRINGS): Add stub.
3512 * configure.in: Call GCC_HEADER_STRING.
3514 * system.h: Test STRING_WITH_STRINGS when deciding which headers
3515 to include. Continue to prefer string.h over strings.h when both
3518 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3520 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
3521 not assume top 32-bits of symbolic addresses are zero if
3524 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
3526 * ginclude/va-alpha.h: Protect entire second portion of the
3527 file against double inclusion.
3529 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
3531 Added support for the Boehm's garbage collector.
3532 * configure.in: Handle --enable-objc-gc.
3533 * configure: Rebuilt.
3534 * Makefile.in (CHECK_TARGETS): Add check-objc.
3535 (check-objc): New rule.
3536 * objc/Make-lang.in: Build a different Objective-C library that
3537 runs with the Boehm's collector.
3538 * objc/encoding.c (objc_round_acc_size_for_types): New function.
3539 * objc/encoding.c: Correctly compute the size of compound types in
3540 the presence of bitfields. Skip the variable name of the type if
3541 any. Added support for long long.
3542 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
3543 (_F_GCINVISIBLE): New mask.
3544 * objc/gc.c: New file. Compute the type memory mask associated with
3545 a class based on the runtime information.
3546 * objc/misc.c: Added the hooks that use the Boehm's collector
3547 allocation functions.
3548 * objc/objc-act.c (build_class_template): Generate a new class
3549 member (gc_object_type) to hold the class' type memory mask.
3550 (build_shared_structure_initializer): Initialize the new member to
3552 (encode_complete_bitfield): New function. Generate the new
3554 (encode_field_decl): Generate the new encoding only for the GNU
3556 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
3558 (class_get_gc_object_type): New function to mark a pointer instance
3559 variable as a weak pointer.
3560 * objc/objc-features.texi: New file.
3561 * objc/objc.h (gc_object_type): New class member.
3562 * objc/objects.c (class_create_instance): Create a typed memory
3563 object when compiled with Boehm's collector support.
3564 * objc/sendmsg.c (__objc_init_install_dtable): Call
3565 __objc_send_initialize instead of setting the initialize flag.
3566 (__objc_send_initialize): Call __objc_generate_gc_type_description
3567 to generate the class type memory mask. Rewrite the code that
3568 sends the +initialize so that it is called only once (bug report
3569 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
3570 * testsuite/objc: New testsuite for Objective-C type encoding.
3571 * testsuite/lib/objc-torture.exp: New file.
3572 * testsuite/lib/objc.exp: New file.
3574 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
3576 * jump.c (jump_optimize): In if/then/else transformations, add
3577 another call to modified_between_p for the jump insn.
3579 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
3581 * fix-header.c (symlink): Treat like readlink.
3583 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3585 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
3588 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
3590 * config/nextstep.h: Update HANDLE_PRAGMA macro.
3591 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
3592 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
3594 * config/nextstep.c (handle_pragma): Take three arguments, as per
3595 the new HANDLE_PRAGMA macro specification.
3596 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
3597 per the new HANDLE_PRAGMA macro specification.
3598 * config/i960/i960.c (process_pragma): Take three arguments, as
3599 per the new HANDLE_PRAGMA macro specification.
3601 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
3603 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
3604 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
3605 if unknown pragmas are encountered.
3606 (handle_sysv_pragma): Interpret return code from
3607 handle_pragma_token (). Return success/failure indication rather
3608 than next unprocessed character.
3609 (pragma_getc): New function: retrieves characters from the
3610 input stream. Defined when HANDLE_PRAGMA is enabled.
3611 (pragma_ungetc): New function: replaces characters back into the
3612 input stream. Defined when HANDLE_PRAGMA is enabled.
3614 * c-pragma.c (handle_pragma_token): Return success/failure status
3617 * c-pragma.h: Change prototype of handle_pragma_token().
3619 * varasm.c: (handle_pragma_weak): Only create this function if
3620 HANDLE_PRAGMA_WEAK is defined.
3622 * c-common,c (decl_attributes): If defined call the expression
3623 contained within the INSERT_ATTRIBUTES macro before adding
3624 attributes to a decl.
3626 * tm.texi (HANDLE_PRAGMA): Document the new verion of
3627 HANDLE_PRAGMA, which takes three arguments.
3628 (INSERT_ATTRIBUTES): Document this new macro.
3630 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
3631 new INSERT_ATTRIBUTES macro.
3633 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3635 * config/sparc/sparc.md (movdf): Only generate special RTL for
3636 LABEL_REFs when PIC.
3637 (move_label_di): Remove
3638 (movdi_pic_label_ref, movdi_high_pic_label_ref,
3639 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
3640 references when PIC.
3641 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
3642 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
3643 output an .xword for all 64-bit cases.
3645 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3647 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
3648 alignment, use FUNCTION_BOUNDARY instead.
3649 (sparc_output_deferred_case_vectors): Likewise.
3651 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3653 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
3654 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
3656 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
3658 * alpha/va_list.h: New file.
3659 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
3661 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
3663 * NEWS: Add SCO Openserver and Unixware 7 notes.
3667 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
3669 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
3670 (record_constant_1): Handle RANGE_EXPR.
3672 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
3674 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
3675 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
3676 and NOTE_INSN_RANGE_END specially.
3677 (reemit_notes): Likewise.
3679 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3681 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
3682 (ultrasparc_sched_init): Remove unneeded &.
3684 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3686 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
3687 for m68020-60, to prevent the use of fintrz.
3689 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
3691 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
3693 * Makefile.in: Likewise.
3694 * configure: Regenerated.
3696 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
3698 * configure.in (gxx_include_dir): Changed to
3699 '${prefix}/include/g++'-${libstdcxx_interface}.
3700 * configure: Rebuilt.
3702 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
3704 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
3706 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
3707 *sequences* *below* which scalar moves will be used.
3709 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
3711 * collect2.c (mktemp): Delete unused declaration.
3713 * config/xm-netbsd.h: Remove unnecessary file.
3714 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
3715 file anymore, it is not needed.
3717 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
3719 * convert.c (convert_to_integer): Issue an error on conversions to
3722 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
3724 * Makefile.in: Add lang_tree_files and gencheck.h.
3725 * configure.in: Generate them.
3726 * gencheck.c: Include gencheck.h.
3728 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3730 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
3731 movdi_lo_sum_pic and movdi_high_pic and make visible.
3732 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
3733 emit these when Pmode is not SImode.
3734 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
3736 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
3738 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
3739 .linkonce directive after the first time.
3741 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
3743 * m68k.md (beq0_di): Generate correct (and more efficient) code when
3744 the clobbered operand overlaps with an input.
3745 (bne0_di): Similarly.
3747 * Makefile.in (INSTALL): Remove "--no-header" argument.
3749 * NEWS: Various updates.
3751 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3753 * config/sparc/sparc.c (arith_operand, const64_operand,
3754 const64_high_operand, arith_double_4096_operand): Mark mode as
3756 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
3758 (sparc_emit_set_const64): Remove unused variable i.
3759 (sparc_splitdi_legitimate): Likewise for addr_part.
3760 (ultra_code_from_mask): Likewise for mask.
3761 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
3762 reverse return values so it matches usage and comments.
3763 (ultra_flush_pipeline): Likewise.
3764 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
3765 this_type, and allow loads and stores of differing FP modes as
3766 they do not create a conflict.
3767 (ultra_find_type): Initialize fpmode to SFmode, fix
3768 parenthesization thinkos in large conditional.
3769 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
3770 Init free_slot_mask after ultra_cur_hist is reset, not before.
3771 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
3772 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
3773 use ultra_flush_pipeline instead, then re-init group pointer.
3774 Fix statement with no effect. If no progress made in, and no
3775 instructions scheduled at all, advance to new pipeline cycle else
3776 we get into an endless loop.
3777 (ultrasparc_adjust_cost): Remove previous arg.
3778 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
3780 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
3782 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
3783 code. Use reg_overlap_mentioned_p to detect when source and
3784 destination overlap.
3785 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
3787 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
3789 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
3790 COMPARISON_VAL, into invariant_p.
3792 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3794 * regmove.c (regclass_compatible_p): New function.
3795 (regmove_optimize): Use it.
3797 Use NREGS parameter insted of calling max_reg_num.
3799 (fixup_match_1): Don't use code = MINUS when later tieing with
3800 a hard register is likely.
3802 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3804 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
3805 COMPARISON_VAL was normalized.
3807 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
3809 * loop.c (check_dbra_loop): The loop ending comparison value
3810 must be an invariant or we can not reverse the loop.
3812 * loop.c (scan_loop): Count down from max_reg_num - 1 to
3813 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
3815 (load_mems_and_recount_loop_regs_set): Likewise.
3817 * i386.c (print_operand): Remove obsolete 'c' docs.
3819 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
3821 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
3822 * frame.c (init_object_mutex): New function.
3823 (init_object_mutex_once): Likewise.
3824 (find_fde): Call it.
3825 (__register_frame_info): Likewise.
3826 (__register_frame_info_table): Likewise.
3827 (__deregister_frame_info): Likewise.
3829 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
3831 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
3833 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3835 * loop.c (check_dbra_loop): Enable code for reversal
3836 of some loops without a known constant loop end.
3838 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
3840 * haifa-sched.c (last_clock_var): New.
3841 (schedule_block): Initialize it.
3842 (schedule_insn): Use it to fill insn modes with issue information.
3844 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
3845 Tag trapb and next insn with TImode.
3846 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
3847 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
3848 Invoke alphaev5_align_insns as appropriate.
3849 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
3850 (MD_SCHED_VARIABLE_ISSUE): New.
3851 * alpha.md (attr type): Add multi.
3852 (define_asm_attributes): New.
3853 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
3854 (arg_home): Likewise.
3855 (fnop, unop, realign): New.
3857 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
3859 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
3860 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
3862 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
3863 (rs6000-ibm-aix4.[12]*): Likewise.
3864 * configure: Regnerate.
3866 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
3868 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
3869 already contains the return address.
3871 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
3873 * calls.c (expand_call): Use bitfield instructions to extract/deposit
3874 word sized hunks when loading unaligned args into registers.
3876 * haifa-sched.c (sched_analyze_insn): Only create scheduling
3877 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
3879 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
3881 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3883 * loop.c (check_dbra_loop): Add some code that would allow reversal
3884 of some loops without a known constant loop end if it were enabled.
3886 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
3888 * mips.md (lshrsi3_internal2+2): Fix type-o.
3890 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3892 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
3893 correctly with regards to stdio.h.
3895 * calls.c: Remove stdarg.h/varargs.h.
3898 * combine.c: Likewise.
3899 * cpperror.c: Likewise.
3900 * cpplib.c: Likewise.
3901 * cpplib.h: Likewise.
3902 * doprint.c: Likewise.
3903 * emit-rtl.c: Likewise.
3904 * final.c: Likewise.
3905 * fix-header.c: Likewise.
3907 * genattr.c: Likewise.
3908 * genattrtab.c: Likewise.
3909 * gencodes.c: Likewise.
3910 * genconfig.c: Likewise.
3911 * genemit.c: Likewise.
3912 * genextract.c: Likewise.
3913 * genflags.c: Likewise.
3914 * genopinit.c: Likewise.
3915 * genoutput.c: Likewise.
3916 * genpeep.c: Likewise.
3917 * genrecog.c: Likewise.
3918 * mips-tfile.c: Likewise.
3919 * prefix.c: Likewise.
3920 * protoize.c: Likewise.
3921 * regmove.c: Likewise.
3922 * toplev.c: Likewise.
3925 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3927 * config/sparc/sparc.c (sparc_override_options): If not
3928 TARGET_FPU, turn off TARGET_VIS.
3929 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
3930 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
3931 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
3932 (movdi_insn_sp64): Add VIS fzero alternative.
3933 (clear_sf, clear_df): New VIS patterns.
3934 (movsf, movdf expanders): Allow fp_zero_operand flat out when
3936 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
3938 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
3940 * loop.c (n_times_set, n_times_used, may_not_optimize,
3941 reg_single_usage): Convert to varrays. All uses changed.
3942 (insert_loop_mem): Return a value.
3943 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
3944 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
3947 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
3950 * configure.in: Do not set thread_file to "irix" since no such
3953 * sparc.md (float abs/neg splits): Check reload_completed before
3954 calling alter_subreg.
3956 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3958 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
3960 * config/sparc/sparc.h: Declare it.
3961 * config/sparc/sparc.md (float abs/neg splits): Use it.
3962 (all other splits): Handle SUBREGs properly where necessary.
3963 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
3965 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
3967 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
3968 an insn on the unfilled_slots_list that has no delay slots.
3969 (fill_eager_delay_slots): Similarly.
3971 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
3973 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
3974 as an ordinary operand.
3976 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
3978 * tree.c (valid_machine_attribute): Don't apply attributes to both
3981 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
3983 * reload.c (operands_match_p): Handle rtvecs.
3985 * i386.c (legitimate_pic_address_disp_p): New.
3986 (legitimate_address_p): Use it.
3987 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
3988 Handle constant pool symbols just like statics.
3989 (emit_pic_move): Use Pmode not SImode for clarity.
3990 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
3991 [UNSPEC]: New, handling what we killed above.
3992 [PLUS]: Detect and abort on invalid symbol arithmetic.
3993 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
3995 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
3997 * alias.c: Include output.h.
3998 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
3999 different if we're in a varargs function.
4000 * Makefile.in (alias.o): Depend on output.h
4002 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4004 * sh.h (GIV_SORT_CRITERION): Delete.
4006 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
4008 * regclass.c (regclass): Use xmalloc/free instead of alloca.
4009 * stupid.c (stupid_life_analysis): Ditto.
4010 * reload1.c (reload): Ditto.
4012 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4014 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
4015 arith_double_4096_operand, arith_double_add_operand): New
4017 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
4018 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
4019 them to transform add/sub 4096 into add/sub -4096.
4021 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4023 * loop.c (scan_loop): Allocate some slop to handle pseudos
4024 generated by move_movables.
4025 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
4028 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
4030 * tree.def (DECL_RESULT): Correct documentation.
4032 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4034 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
4035 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
4036 conflicts will all RELOAD_FOR_OUTPUT reloads.
4038 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
4039 loads the function result, substitute with a USE.
4041 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
4043 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
4044 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
4045 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
4046 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
4047 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
4048 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
4050 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
4051 'o' to 'm' for GPR variant constraints.
4053 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
4055 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
4057 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
4059 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
4060 when the source and destination overlap.
4062 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
4063 clash with global type.
4065 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
4067 * fixinc.irix: Add curses.h handling from fixinc.wrap.
4069 * c-common.c (combine_strings): Also set TREE_READONLY.
4070 Change warn_write_strings to flag_const_strings.
4071 * c-decl.c, c-tree.h: Likewise.
4073 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4075 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
4076 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
4077 sequence, use SET/IOR instead so CSE can see it.
4078 * config/sparc/sparc.md (movhi_const64_special,
4079 movsi_const64_special): New patterns necessitated by that change.
4080 (movhi_high): Remove.
4081 (movhi_lo_sum): Change to match an IOR.
4082 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
4083 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
4084 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
4085 (movdf splits): Allow when not V9 or when not ARCH64 and integer
4086 registers are involved.
4087 (snesi_zero_extend split): Remove reload_completed test.
4088 (unnamed plus and minus zero_extend sidi splits): Add it.
4090 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
4092 * extend.texi: Remove description of extension to explicit
4093 instantiation that is now endorsed by standard C++.
4095 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4097 * config/arc/arc.c (arc_initialize_pic): Remove.
4098 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
4099 nothing on any platform and is invoked by no-one, it does not even
4100 appear in the documentation.
4101 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
4102 * config/sparc/sparc.c (initialize_pic): Likewise.
4103 (find_addr_reg): Remove this as well, no longer referenced after
4106 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
4108 * recog.c (validate_replace_rtx_group): New function.
4109 * recog.h (validate_replace_rtx_group): Declare it.
4110 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
4111 the entire group of substitutions.
4113 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
4115 * loop.c (load_mems): Fix initializers.
4117 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4119 * config/sparc/sparc.md (TFmode splits): Handle destination
4120 registers being referenced in the address correctly.
4122 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
4123 TREE_UNSIGNED, when bitsize of type's mode is larger than
4124 HOST_BITS_PER_WIDE_INT.
4126 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4128 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
4129 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
4130 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
4132 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
4135 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
4137 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
4138 * h8300.h (TINY_DATA_NAME_P): Likewise.
4139 (STRIP_NAME_ENCODING): Handle '&'.
4141 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
4142 register (it could be accessed via an outer SUBREG).
4143 (REG_OK_FOR_BASE_P): Likewwise.
4144 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
4146 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
4149 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
4151 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4153 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
4154 must be offsettable so the splits can be made.
4156 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
4158 * config/i386/winnt.c: Include system.h, not stdio.h to get
4159 sys/param.h pulled in before rtl.h in case the system defines MIN
4162 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
4164 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
4166 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
4168 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
4170 * cpplib.c (cpp_define): Handle macros with parameters.
4172 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
4174 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
4175 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
4176 and DImode 64-bit. Use llong for minimal-toc SFmode and
4177 SYMBOL_REF / LABEL_REF 64-bit.
4178 (output_function_profiler): Use llong for profiler label and ld to
4179 load 64-bit label address.
4181 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
4183 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
4186 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
4188 * version.c: Bump for snapshot.
4190 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
4192 * version.c: Bump for snapshot.
4194 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
4196 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
4198 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
4200 * tm.texi (Misc): Fix typo "teh".
4202 * tm.texi (PIC): Fix typo "PPIC".
4204 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
4205 effect when -O2 and higher.
4206 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
4208 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
4210 * regclass.c: Changed register set documentation to be consistent
4213 * final.c (final_start_function) Removed redundant test for
4216 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
4218 * rtl.h (rtx_function): New type.
4219 (for_each_rtx): New function.
4220 * rtlanal.c (for_each_rtx): Define it.
4222 * recog.c (change_t): New type.
4223 (change_objects, change_old_codes, change_locs, change_olds):
4225 (changes): New variable.
4226 (validate_change): Dynamically allocate room for more changes, if
4227 necessary. Uses changes array instead of change_objects, etc.
4228 (apply_change_group): Use changes array instead of
4229 change_objects, etc.
4231 * loop.c (loop_mem_info): New type.
4232 (loop_mems): New variable.
4233 (loop_mems_idx): Likewise.
4234 (looop_mems_allocated): Likewise.
4235 (scan_loop): Remove nregs parameter.
4236 (next_insn_in_loop): New function.
4237 (load_mems_and_recount_loop_regs_set): Likewise.
4238 (load_mems): Likewise.
4239 (insert_loop_mem): Likewise.
4240 (replace_loop_mem): Likewise.
4241 (replace_label): Likewise.
4242 (INSN_IN_RANGE_P): New macro.
4243 (loop_optimize): Don't pass max_reg_num() to scan_loop.
4244 (scan_loop): Remove nregs parameter, compute it after any new
4245 registers are created by load_mems. Use INSN_IN_RANGE_P and
4246 next_insn_in_loop rather than expanding them inline. Call
4247 load_mems to load memory into pseudos, if appropriate.
4248 (prescan_loop): Figure out whether or not there are jumps from the
4249 loop to targets other than the label immediately following the
4250 loop. Call insert_loop_mem to notice all the MEMs used in the
4251 loop, if it could be safe to pull MEMs into REGs for the duration
4253 (strength_reduce): Use next_insn_in_loop. Tweak comments.
4255 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
4257 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
4259 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4261 * config/sparc/sparc.c (finalize_pic): Check for the correct
4262 nonlocal_goto_receiver UNSPEC number.
4263 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
4264 making note of this dependency existing in sparc.c
4265 (negtf2_notv9 split): Give NEG SFmode.
4266 (negsf2): Fix insn output string.
4268 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
4270 * c-common.c (decl_attributes): Issue an error if the argument
4271 to alias is not a string.
4273 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
4275 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
4276 pending memory flush list.
4278 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
4280 (try_combine): Allow combining insns with REG_LIBCALL notes.
4282 * expr.c (emit_block_move): Do not call memcpy as a libcall
4283 instead build up a CALL_EXPR and call it like any other
4285 (clear_storage): Similarly for memset.
4287 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
4290 * Makefile.in (cplus-dem.o): Provide explicit rules for building
4293 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
4294 and REG_LIVE_LENGTH as successful substitutions are made.
4296 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4298 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
4299 statement after end of loop label.
4301 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4303 * config/sparc/sparc.c (ultra_types_avail): New variable.
4304 (ultra_build_types_avail): New function to record mask of insn
4305 types in ready list at this cycle.
4306 (ultrasparc_sched_reorder): Call it.
4307 (ultra_find_type): Use it to quicken the search. Also simplif
4308 dependency check, don't use rtx_equal_p because we know exactly
4309 what we are looking for.
4311 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
4313 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
4314 for architecture v4.
4316 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4318 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
4320 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
4321 movdf_const_intreg and helper splits): New patterns to move float
4322 constants into integer registers.
4323 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
4326 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
4329 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
4331 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
4333 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
4334 a BASE_REGS register is needed as an intermediate when copying
4335 a symbolic value into any register class other than BASE_REGS.
4337 * expr.c (move_by_pieces): No longer static. Remove prototype.
4338 * rtl.h (move_by_pieces): Add extern prototype.
4339 * mips.c (expand_block_move): Handle aligned straight line copy by
4340 calling move_by_pieces.
4342 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
4345 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
4347 * stmt.c (expand_end_loop): Tidy. Allow unconditional
4348 jumps out of the loop to be treated as part of the exit test.
4350 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4351 Jeff Law <law@cygnus.com>
4353 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
4354 * cplus-dem.c: Delete.
4356 * Makefile.in (fold-const.o): depend on $(RTL_H).
4358 * fold-const.c: Include rtl.h to get the prototype for
4359 `set_identifier_local_value'.
4361 * loop.c (express_from_1): Remove unused variable `tmp'.
4362 (combine_givs): cast the first argument of bzero to char *.
4364 * toplev.c (display_help): Remove unused variable `looking_for_start'.
4366 * c-decl.c (init_decl_processing): Remove unneeded &.
4368 * alpha.h (alpha_initialize_trampoline): Provide prototype.
4370 * except.c (set_exception_lang_code, set_exception_version_code):
4371 Change parameter from `short' to `int' to avoid using a gcc
4374 * except.h (set_exception_lang_code, set_exception_version_code):
4375 Likewise for prototypes.
4377 * flow.c (count_reg_references): Remove unused variables `regno'
4380 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
4382 * prefix.c (translate_name): Cast the result of `alloca'.
4384 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
4386 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4388 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
4390 (valid_dbcc_comparison_p): Mark mode argument as unused.
4391 (symbolic_operand): Likewise.
4392 (legitimize_pic_address): Likewise.
4393 (const_uint32_operand): Likewise.
4394 (const_sint32_operand): Likewise.
4395 * sched.c [!INSN_SCHEDULING]: Define only dummy function
4396 schedule_insns and comment out rest of file.
4398 * m68k.c (output_move_simode_const): Use subl to move a zero into an
4400 (output_move_[hq]imode): Likewise.
4402 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
4404 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
4405 * invoke.texi: Corresponding changes.
4407 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
4409 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
4411 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4413 * config/sparc/sparc.c (ultra_code_from_mask,
4414 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
4415 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
4416 ultrasparc_sched_init, ultrasparc_variable_issue,
4417 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
4418 functions to describe UltraSPARC pipeline exactly to Haifa.
4419 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
4420 as there is nothing the scheduler can do about it. Indicate that
4421 REG_DEP_OUTPUT's collide. Fixup formatting.
4422 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
4423 divide costs on Ultra for DImode.
4424 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
4426 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
4427 ieuN and add call_no_delay_slot to type list.
4428 (cti function unit): New unit for branches on UltraSPARC.
4429 (subx/addx insns): Set type to misc.
4430 (sidi zero/sign extension insns on arch64): Set type to shift.
4431 (sign_extendhidi2_insn): Set type to sload.
4433 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
4435 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
4436 (output_epilog): Use if != 0 for offset.
4437 (rs6000_fatal_bad_address): Prepare for Intl.
4438 * rs6000.h (rs6000_fatal_bad_address): Declare.
4439 * rs6000.md (movsfcc, movdfcc): Use else if.
4440 (elf_high): Use {liu|lis}.
4441 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
4442 (movsi): Use rs6000_fatal_bad_address.
4444 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
4446 * reload.c (find_equiv_reg): Reject equivalences separated
4447 by a volatile instruction.
4449 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4451 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
4453 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
4455 * alpha.md (movsicc): Fix mode mismatch.
4457 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
4459 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
4461 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
4463 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4465 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
4466 write-only modifier from operand 1 constraint.
4468 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4470 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
4471 emitting a XOR of -1 at the end, emit a NOT instead for combine's
4473 (sparc_emit_set_const64): Likewise, also when computing trailing
4474 bits do not negate low_bits and make fast_int an int.
4476 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
4478 * loop.c (add_label_notes): Do not ignore references to labels
4479 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
4480 * gcse.c (add_label_notes): Similarly.
4482 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
4484 * m68k.md (adddi_dilshr32): One of the operands must be a register.
4485 (adddi_dishl32): Similarly.
4487 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
4489 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
4490 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
4491 * cse.c (cse_basic_block): Add parens to shut up warnings.
4493 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4495 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
4496 sparc_emit_set_const64_longway, const64_is_2insns,
4497 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
4498 in 64-bit constant formation.
4499 * config/sparc/sparc.md (snesi_zero_extend split): Generate
4500 rtl for addx not subx.
4501 (define_insn movdi_const64_special): Make available even when
4502 HOST_BITS_PER_WIDE_INT is not 64.
4503 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
4504 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
4505 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
4506 instances of operand 1 inside a QI subreg.
4507 (xordi3_sp64_dbl): Remove '%' constraint for op1.
4508 (one_cmpldi2_sp64): Fix output string.
4509 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
4511 (unnamed arch64 ashift DI): Truncate shift count if greater than
4514 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4516 * expr.c (store_expr): Don't optimize away load-store pair
4517 when either source or destination have a side effect.
4519 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
4521 * genrecog.c (add_to_sequence): Fatal error if the modes of the
4522 operands of SET are incompatible.
4524 * alpha.md: Fix max and min patterns so modes of SET operands match.
4526 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
4528 * configure.in: Avoid [[ by using test and changequote.
4529 * configure: Rebuild.
4531 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4533 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
4535 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
4536 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
4537 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
4538 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
4539 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
4540 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
4541 Fix mismatching modes in SET operands.
4542 (conditional move patterns): Fix formatting.
4543 (unnamed subx arch64 pattern): Remove duplicate insn.
4545 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4547 * config/sparc/sparc.c (const64_operand, const64_high_operand):
4548 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
4549 (input_operand): Fixup test for what we accept for constant
4551 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
4553 (safe_constDI): Remove.
4554 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
4555 gen_safe_XOR64): New functions.
4556 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
4557 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
4559 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
4560 available when HOST_BITS_PER_WIDE_INT is not 64.
4561 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
4562 move before movdi_insn_sp64 pattern.
4563 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
4564 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
4565 symbolic_operand as predicate for second operand.
4566 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
4567 expander): Give set VOIDmode.
4569 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
4571 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
4573 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
4575 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
4577 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
4579 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
4581 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
4583 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
4585 * install.texi: Various SCO OpenServer tweaks.
4587 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
4589 * reload1.c (eliminate_regs_in_insn): Handle another case when
4590 eliminating the frame pointer to the hard frame pointer. Add
4591 missing ep->to_rtx check to one existing case.
4593 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
4595 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
4597 * tree.h: De-conditionalize init_priority code.
4599 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
4600 * collect2.c (NM_FLAGS): Change from -p to -n.
4602 * configure.in: Turn on collect2 for mipstx39-elf.
4603 Handle use_collect2=no properly.
4605 * c-common.c: De-conditionalize init_priority code.
4606 * collect2.c (extract_init_priority, sort_ids): New fns.
4607 (main): Call sort_ids.
4608 Move sequence_number to file scope.
4610 * configure.in: Handle --enable-init-priority.
4611 * c-common.c (attrs): Add A_INIT_PRIORITY.
4612 (init_attributes, decl_attributes): Likewise.
4613 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
4614 * tree.c (get_file_function_name_long): Split out...
4615 (get_file_function_name): ...from here.
4617 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
4619 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
4622 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
4624 * toplev.c (display_help): Add braces to shut up warnings.
4625 * tree.c (simple_cst_equal): Likewise.
4627 * fold-const.c (non_lvalue): Don't deal with null pointer
4629 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
4631 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
4632 of any size to a pointer.
4634 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
4636 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
4638 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
4640 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
4641 which will be saved.
4642 * mn10300.md (prologue insn): Only save registers which need saving.
4643 (epilogue insn): Similarly.
4645 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
4648 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
4650 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
4651 VAR_DECL's in gp addressable sections.
4653 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
4655 * sparc.c: Change return <exp> to <exp>; return; in functions
4657 * sparc.md: Add empty semicolon statement after final label in
4660 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4662 * config/sparc/sparc.md (define_insn addx_extend): Rename to
4663 addx_extend_sp64, only allow when TARGET_ARCH64.
4664 (define_insn addx_extend_sp32 and split): Version that works when
4666 (define_insn subx_extend): Likewise.
4667 (define_split adddi3 and subdi3 with zero extension): Fixup and
4668 correct bugs when not TARGET_ARCH64.
4670 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
4672 * except.c (set_exception_lang_code, set_exception_version_code):
4673 Use prototype-style definition if __STDC__, to match declaration
4676 * genemit.c: Change FAIL and DONE macros not to use loops.
4678 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
4680 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
4681 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
4683 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
4685 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
4687 * README.g77: Update from Craig.
4689 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4691 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
4693 (safe_constDI sparc_emit_set_const64_quick1,
4694 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
4695 analyze_64bit_constant, const64_is_2insns,
4696 create_simple_focus_bits): Fix some bugs when compiled on real
4698 (function_arg_record_value_3, function_arg_record_value_2,
4699 function_arg_record_value): Add fully prototyped forward decls.
4700 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
4701 to cmpsi_insn and use on both 64 and 32 bit targets.
4702 (define_insn cmpsi_insn_sp64): Remove.
4703 (define_expand zero_extendsidi2): Allow for 32-bit target too.
4704 (define_insn zero_extendsidi2_insn): Rename to
4705 zero_extendsidi2_insn_sp64.
4706 (define_insn zero_extendsidi2_insn_sp32): New pattern and
4707 assosciated forced split for it.
4709 * config/sparc/sparc.c (const64_operand, const64_high_operand):
4711 * config/sparc/sparc.h: Declare them.
4712 (PREDICATE_CODES): Add them.
4713 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
4714 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
4716 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
4718 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
4719 in v9 case as the latter makes the Solaris assembler crash.
4721 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4723 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
4724 for TFmode when !v9. We require offsettable memory addresses.
4725 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
4726 DFmode register number conversions.
4727 * config/sparc/sparc.md (define_split DFmode moves): If register
4728 is a SUBREG do alter_subreg on it before using.
4729 (define_expand movtf): Fixup comment about alignment on v9.
4730 (define_split TFmode moves): Don't use gen_{high,low}part, create
4731 explicit SUBREGs instead.
4733 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
4735 * Makefile.in (mbchar.o): Depend on mbchar.c.
4737 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4738 Richard Henderson <rth@cygnus.com>
4740 Rewrite Sparc backend for better code generation and
4741 improved sparc64 support.
4742 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
4744 * config/sparc/sysv4.h: Likewise.
4745 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
4746 move_operand, v8plus_regcmp_op, emit_move_sequence,
4747 singlemove_string, doublemove_string, mem_aligned_8,
4748 output_move_double, output_move_quad, output_fp_move_double,
4749 move_quad_direction, output_fp_move_quad, output_scc_insn):
4751 (small_int_or_double): New predicate.
4752 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
4753 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
4754 old pic_{sethi,lo_sum}_si patterns.
4755 (mem_min_alignment): New generic function to replace
4756 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
4757 available and can test for arbitrary alignments. All callers
4759 (save_regs, restore_regs, build_big_number,
4760 output_function_prologue, output_cbranch, output_return,
4761 sparc_flat_save_restore, sparc_flat_output_function_prologue,
4762 sparc_flat_output_function_epilogue): Prettify
4764 (output_function_epilogue): Likewise and add code to output
4765 deferred case vectors.
4766 (output_v9branch): Likewise, add new arg INSN and use it to tack
4767 on branch prediction settings. All callers changed.
4768 (print_operand): Likewise and output %l44 for LO_SUMs when
4770 (sparc_splitdi_legitimate): New function to make sure DImode
4771 splits can be run properly when !arch64.
4772 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
4773 Reformat example code in comments.
4774 (set_extends): Remove UNSPEC/v8plus_clear_high case.
4775 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
4776 of deferred case vectors we need to output.
4777 (sparc_defer_case_vector): Record a case vector.
4778 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
4779 sparc_output_deferred_case_vectors): New functions to output them.
4780 (sparc_emit_set_const32): New function to form 32-bit constants in
4781 registers when that requires more than one instruction.
4782 (safe_constDI, sparc_emit_set_const64_quick1,
4783 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
4784 analyze_64bit_constant, const64_is_2insns,
4785 create_simple_focus_bits, sparc_emit_set_const64): New functions
4786 which do the same for 64-bit constants when arch64.
4787 (sparc_emit_set_symbolic_const64): New function to emit address
4788 loading for all code models on v9.
4789 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
4790 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
4791 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
4792 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
4793 inaccuracies in comments, add symbolic and text_segment operands
4794 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
4795 GENERAL_REGS in these cases as a temp REG is needed to load these
4796 addresses into a register properly.
4797 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
4799 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
4800 quads are guarenteed to have 16-byte alignment.
4801 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
4802 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
4803 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
4804 deferred case vector implementation.
4805 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
4806 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
4807 Generate "internal label - label" instead of "label - 1b".
4808 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
4809 (PREDICATE_CODES): Remove sparc_operand, move_operand,
4810 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
4812 (doublemove_string, output_block_move, output_fp_move_double,
4813 output_fp_move_quad, output_move_double, output_move_quad,
4814 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
4815 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
4816 (sparc_emit_set_const32, sparc_emit_set_const64,
4817 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
4818 mem_min_alignment, small_int_or_double): Add externs.
4819 * config/sparc/sparc.md: Document the many uses of UNSPEC and
4820 UNSPEC_VOLATILE in this backend.
4821 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
4822 unary to types which execute in it.
4823 (define_function_unit ieu_shift): Rename to ieu0.
4824 (define_function_unit ieu1): New, executes compare, call, and
4825 uncond_branch type insns.
4826 (define_function_units for type fdivs, fdivd, fsqrt): These
4827 execute in the fpu multiply unit not the adder on UltraSparc.
4828 (define_expand cmpdi): Disallow TARGET_V8PLUS.
4829 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
4830 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
4831 allows the arith_double_operand predicate and rHI constraint when
4833 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
4834 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
4835 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
4836 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
4837 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
4838 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
4839 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
4840 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
4841 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
4842 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
4843 sign_extendqihi2_insn, sign_extendqisi2_insn,
4844 sign_extendqidi2_insn, sign_extendhidi2_insn,
4845 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
4846 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
4847 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
4848 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
4849 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
4850 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
4851 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
4852 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
4853 smulsi3_highpart_v8plus, unnamed subreg mult,
4854 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
4855 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
4856 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
4857 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
4858 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
4859 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
4860 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
4861 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
4862 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
4863 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
4864 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
4865 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
4866 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
4867 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
4868 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
4869 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
4870 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
4871 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
4872 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
4873 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
4874 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
4875 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
4876 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
4877 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
4878 call_address_untyped_struct_value_sp32,
4879 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
4880 call_value_symbolic_sp32, call_value_address_sp64,
4881 call_value_symbolic_sp64, branch_sp32, branch_sp64,
4882 flush_register_windows, goto_handler_and_restore,
4883 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
4884 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
4885 return_addsi, return_di, return_adddi, return_sf, all call+jump
4886 peepholes, trap, unnamed trap insns): Prettify output strings.
4887 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
4888 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
4889 Likewise and force + implement splits for integer cases.
4890 (define_insn return_sf_no_fpu): Likewise and allow to match when
4891 no-fpu because of our subreg SFmode splits.
4892 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
4893 zero_extendqidi2_insn, zero_extendhidi2_insn,
4894 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
4895 input_operand for second operand.
4896 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
4897 reg_or_0_operand for operand 2 so new splits can use it.
4898 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
4899 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
4901 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
4902 CONST_DOUBLEs for operand 2.
4903 (define_insn move_label_di): Likewise and label distance
4904 optimization because it no longer works with new deferred case
4905 vector scheme. To be revisited.
4906 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
4907 and allow reg_or_0_operand and J constraint for second operand.
4908 (define_insn jump): Set branch predict taken on V9.
4909 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
4910 new deferred case vector scheme.
4911 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
4912 (define_insn negdi2_sp32): Force + implement splits.
4913 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
4914 one_cmplsi2_not_liveg0 respectively, and create expander of original
4915 names which emit special rtl for TARGET_LIVE_G0.
4916 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
4917 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
4918 gen_compare_reg, FAIL instead.
4919 (define_insn sgtu, sleu): Likewise and check gen_s*() return
4920 values when trying to reverse condition codes, if they FAIL then
4922 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
4923 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
4924 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
4925 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
4926 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
4927 set output string to # to indicate they are mandatory splits.
4928 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
4929 pic_sethi_di, move_pic_label_si): Remove.
4930 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
4931 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
4933 (define_expand movsi_pic_label_ref, define_insn
4934 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
4935 expander and insns to handle PIC label references and deferred
4937 (define_insn get_pc_via_rdpc): Comment out as it is no longer
4939 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
4940 Rewrite to not use emit_move_sequence, make use of new constant
4941 formation code, and new splits for all multi-insn cases.
4942 (define_insn movqi_insn): Remove sethi case, it can never happen.
4943 Use reg_or_zero_operand instead of const0_rtx explicit test,
4944 use input_operand instead of move_operand for source, and use
4945 general_operand now for dest.
4946 (define_insn movhi_insn): Similar but leave sethi case.
4947 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
4948 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
4949 movhi_lo_sum respectively, prettify output string.
4950 (define_insn movsi_zero_liveg0): New pattern to put zero into a
4951 register when needed on TARGET_LIVE_G0.
4952 (define_insn movsi_insn): Use general_operand and input_operand
4953 for dest and src respectively. Simplify applicability test.
4954 Prettify output strings, and add clr alternative for J
4956 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
4957 deprecated std and reg-reg DI moves): Remove and...
4958 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
4959 implementation which uses forced splits for all non-single insn
4961 (define_split DI move cases on !arch64): New splits to handle all
4962 situations of 64-bit double register DImode on 32bit, and
4963 unaligned registers and memory addresses for all subtargets.
4964 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
4966 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
4967 input_operand for dest and src respectively, prettify output
4969 (define_insn movdf_insn, movdf_no_e_insn, store_df,
4970 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
4972 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
4973 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
4974 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
4975 movtf_no_e_insn_sp64) Replace with new
4976 implementation which uses forced splits for all non-single insn
4978 (define_split DF move cases): New splits in similar vein to DI
4980 (define_insn sethi_di_medlow, sethi_di_medium_pic,
4981 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
4982 movdi_sp64_insn): Remove old v9 code model and constant loading
4984 (define_insn pic_lo_sum_di, pic_sethi_di,
4985 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
4986 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
4987 embmedany_sethi, embmedany_losum, embmedany_brsum,
4988 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
4989 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
4990 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
4991 scheme, using unspecs, secondary reloads, and one to one sparc
4992 insn to rtl insn mapping for better scheduling and code gen.
4993 (define_expand reload_indi, reload_outdi): Reload helpers for
4994 MEDANY and EMBMEDANY symbol address loading cases which require a
4996 (define_expand movsicc): Remove v8plus_regcmp cases.
4997 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
4998 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
4999 cmp_diqi_trunc_set): New patterns used by some of the new scc
5001 (define_insn xordi3_sp64_dbl): New pattern used for constant
5002 formation when crossing from 32-bit targets.
5003 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
5005 (define_insn addx, subx): Make visible and prettify.
5006 (define_insn adddi3_insn_sp32): Likewise and force split.
5007 (define_insn addx_extend, subx_extend, unnamed): New patterns for
5008 64bit scc split usage.
5009 (define_insn unnamed plusDI zero_extend, unnamed minusDI
5010 zero_extend, subdi3): Force and implement splits.
5012 * final.c (final_scan_insn): Don't output labels if target
5013 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
5016 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
5017 don't forget to walk inside SEQUENCESs too as these are what the
5018 delay slot scheduler will create.
5020 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
5022 * alpha.md (extxl+1,+2): New patterns to work around
5025 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
5027 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
5028 caused bad assembly code to be generated.
5030 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
5032 * netbsd.h: Fix typo.
5034 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
5036 * config.sub: Fix typo.
5038 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
5040 * invoke.texi (Environment Variables): Typo: Change "ascpects"
5042 (Running Protoize): Typo: Change "ther" into "other".
5044 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
5046 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
5047 * m68k/netbsd.h: Likewise.
5048 * ns32k/netbsd.h: Likewise.
5049 * sparc/netbsd.h: Likewise.
5051 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
5053 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
5054 * ginclude/va-clipper.h (va_list): Likewise.
5056 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
5058 * rs6000.c (rs6000_override_options): If big endian and -Os, use
5059 load/store multiple instructions unless user overrides.
5061 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
5063 * ns32k/netbsd.h: Fix typo.
5065 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
5067 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
5068 labels with .debugsym if no parallel insns.
5070 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
5072 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
5073 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
5075 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
5077 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
5078 (AR_FOR_TARGET): Define.
5080 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
5082 * dyn-string.h: New file.
5083 * dyn-string.c: Likewise.
5084 * Makefile.in (OBJS): Add dyn-string.o.
5085 (dwarf2out.o): Add dyn-string.h dependency.
5086 (dyn-string.o): List dependencies.
5087 * dwarf2out.c: Include dyn-string.h.
5088 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
5089 (addr_const_to_string): Take a dyn_string_t, not a char* as a
5090 prototype. Use dyn_string_append rather than strcat, throughout.
5091 (addr_to_string): Use dyn_string_t.
5093 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
5095 Function entry/exit profiling instrumentation:
5096 * expr.h (profile_function_entry_libfunc,
5097 profile_function_exit_libfunc): Declare new variables.
5098 * optabs.c: Define them here.
5099 (init_optabs): Initialize them.
5100 * tree.h (struct tree_decl): New flag
5101 no_instrument_function_entry_exit.
5102 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
5103 * c-decl.c (duplicate_decls): Merge it.
5104 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
5105 (init_attributes): Use it for "no_instrument_function".
5106 (decl_attributes): Handle it, for functions that have not yet been
5107 compiled. Set decl flag.
5108 * flags.h (flag_instrument_function_entry_exit): Declare new
5110 * toplev.c (flag_instrument_function_entry_exit): Define it here.
5111 (f_options): New option "instrument-functions".
5112 * function.h (struct function): New field instrument_entry_exit.
5113 * function.c (current_function_instrument_entry_exit): New
5115 (push_function_context_to, pop_function_context_from): Save and
5117 (expand_function_start): Set current_ variable, maybe emit return
5118 label and entry profile call.
5119 (expand_function_end): Maybe emit exit profile call.
5121 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
5123 * i386.md (movqi): When optimizing a load of (const_int 1) into a
5124 NON_QI_REG_P, pretend the register is SImode.
5126 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
5128 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
5129 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
5130 manufacturer id for ns32k.
5131 * configure: Regenerated.
5132 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
5133 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
5134 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
5135 * config/m68k/netbsd.h: Same.
5136 * config/ns32k/netbsd.h: Same.
5137 * config/sparc/netbsd.h: Same.
5139 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
5141 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
5142 or UNROLL_COMPLETELY loop that starts with a jump to its
5145 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
5147 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
5148 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
5149 (print_operand, case 'B'): Don't fall through.
5150 (print_operand, case 'S'): Correct mask begin/end computation.
5151 Use HOST_BITS_PER_WIDE_INT.
5152 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
5153 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
5154 * rs6000/aix41.h (CPP_PREDEFINES): Same.
5155 * rs6000/aix43.h (CPP_PREDEFINES): Same.
5157 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
5159 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
5160 constraint from second alternative.
5162 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
5164 * configure.in: Fix --without/--disable cases for local-prefix,
5165 gxx-include-dir and checking.
5167 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5169 * configure.in (enable_haifa): Set by default for sparc64 too.
5172 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
5174 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
5175 * i386/winnt.c (associated_type): New fn.
5176 (i386_pe_valid_type_attribute_p): New fn.
5177 (i386_pe_check_vtable_importexport): Remove.
5178 (i386_pe_dllexport_p): Use associated_type.
5179 (i386_pe_dllimport_p): Likewise.
5181 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
5182 * i386.c (i386_valid_type_attribute_p): Also accept
5183 attributes for METHOD_TYPEs.
5185 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
5187 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
5189 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
5191 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
5193 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
5194 them from generating a new base name for each occurence of
5197 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
5199 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
5201 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
5205 * cplus-dem.c (type_kind_t): New type.
5206 (demangle_template_value_parm): Add type_kind_t parameter. Rely
5207 on this paramter, rather than demangling the type again.
5208 (demangle_integral_value): Pass tk_integral.
5209 (demangle_template_: Pass the value returned from do_type.
5210 (do_type): Return a type_kind_t. Pass tk_integral to
5211 demangle_template_value_parm for array bounds.
5212 (demangle_fund_type): Likewise.
5214 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
5216 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
5219 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
5221 * pa.c (move_operand): Accept CONSTANT_P_RTX.
5223 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
5225 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
5227 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
5230 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
5232 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
5233 (DEBUGGER_ARG_OFFSET): Likewise.
5235 * mn10300.md (movsf): Remove last change. Not needed.
5237 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
5239 * c-lex.c (yylex): Fix boundary conditions in character literal and
5240 string literal loops.
5242 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
5244 * longlong.h (count_leading_zeros): Sparclite scan instruction was
5245 being invoked incorrectly.
5247 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
5248 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
5250 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
5251 * configure.in: Added i[34567]86-*-win32
5252 * config.sub: Ditto.
5253 * configure: Rebuilt.
5255 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
5257 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
5258 the frame pointer and compiling PIC code and reload has not completed.
5260 * i386.c (output_to_reg): Add code to emulate non-popping DImode
5263 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
5265 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
5267 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5269 * Makefile.in (install-info): Only try to update the info
5270 directory file if it exists in the first place.
5272 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
5274 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
5276 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
5278 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
5279 CONST_DOUBLE source.
5281 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
5283 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
5284 strings as the insertion of USER_LABEL_PREFIX.
5285 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
5287 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
5290 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
5292 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
5293 already defined type.
5295 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
5297 * expr.c (check_max_integer_computation_mode): Allow conversions
5298 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
5299 (expand_expr): Likewise.
5301 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5303 * expr.c (expand_expr): Expand RETURN_EXPR.
5305 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
5307 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
5309 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
5311 * dwarf2out.c (output_aranges): Call stripattributes
5312 for TEXT_SECTION references.
5313 (output_line_info): Likewise.
5315 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5317 * profile.c (branch_prob): Call allocate_reg_info after outputting
5318 profile rtl in instrument_arcs.
5320 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
5322 * fixinc.irix (math.h): Install wrapper instead of copying.
5324 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5326 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
5327 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
5328 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
5329 lang_flag_0. Added documentation in the flag table.
5331 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
5333 * cccp.c (do_include): Fix vax c style include handling.
5335 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5337 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
5339 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
5341 * fold-const.c (non_lvalue): Don't deal with null pointer
5343 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
5345 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
5347 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
5348 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
5349 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
5350 (u_short_cint_operand): Same.
5351 (reg_or_cint_operand): Same.
5352 (logical_operand): Same.
5353 (input_operand): Same.
5354 (reg_or_short_operand): Use u_short_cint_operand.
5356 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
5358 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
5359 but keep the insns and splits. Adjust so when the ultimate destination
5360 is memory, use cvtql.
5362 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
5364 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
5366 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
5368 * gcc.c (do_spec): Call "error" not "warning".
5370 * configure.in: Fix minor problems with gas feature detection code.
5371 * configure: Rebuilt.
5373 * gcc.c (do_spec): Issue a warning for '%[]' usage.
5376 * gcc.c: Delete %[spec] support.
5377 (do_spec_1, case '('): Likewise.
5378 (do_spec_1, case '['): Call error.
5380 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
5382 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
5383 (CPP_SUBTARGET_SPEC): Default to empty string.
5384 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
5385 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
5386 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
5387 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
5389 * alpha/linux.h (CPP_PREDEFINES): Tidy.
5390 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
5391 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
5392 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
5393 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
5394 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
5395 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
5396 * alpha/vxworks.h: Likewise.
5398 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
5400 * mips.md (reload_outsi): Added missing REGNO call.
5401 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
5403 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
5404 another match_operator and compare the codes.
5406 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
5408 * MIPS multiply pattern fixes:
5409 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5410 Add union classes for HI, LO, or HILO plus general registers.
5411 (GENERATE_MADD): Deleted.
5412 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
5413 Add TARGET_MAD to condition.
5414 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
5415 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
5416 "*d" for accumulator, to give preference to LO initially but not
5419 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
5421 * configure.in (enable_c_mbchar): New configure option.
5422 (extra_cpp_objs): Always available now.
5424 * cexp.y (mbchar.h): #include it.
5425 (yylex): Handle Multibyte characters in character literals.
5427 * cccp.c (mbchar.h): #include it.
5428 (main): Set character set based on LANG environment variable.
5429 (rescan): Handle multibyte characters in comments.
5430 (skip_if_group): See above.
5431 (validate_else): See above.
5432 (skip_to_end_of_comment): See above.
5433 (macarg1): See above.
5434 (discard_comments): See above.
5435 (rescan): Handle multibyte characters in string and character literals.
5436 (collect_expansion): See above.
5437 (skip_quoted_string): See above.
5438 (macroexpand): See above.
5439 (macarg1): See above.
5440 (discard_comments): See above.
5441 (change_newlines): See above.
5443 * c-lex.c (mbchar.h): #include it.
5444 (GET_ENVIRONMENT): New macro.
5445 (init_lex): Set character set based on LANG environment variable.
5446 (yylex): Handle multibyte characters in character literals.
5447 (yylex): Handle multibyte characters in string literals.
5449 * Makefile.in (mbchar.o): New target.
5450 (cccp$(exeext)): @extra_cpp_objs@ is always available.
5451 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
5453 * mbchar.[ch]: New files for multibyte character handling.
5455 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5457 * jump.c (jump_optimize): When simplifying noop moves and
5458 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
5459 the PUSHes to rewrite in second loop as we did in the first.
5461 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5463 * cplus-dem.c (demangle_nested_args): Make function definition
5464 static to match the prototype.
5466 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
5468 * alloca.c: Respect USE_C_ALLOCA.
5469 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
5470 * gengenrtl.c (xmalloc): Likewise.
5472 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
5474 * loop.h (struct induction): Add no_const_addval.
5475 * loop.c (the_movables, reg_address_cost): New variables.
5476 (init_loop): Init reg_address_cost.
5477 (loop_optimize): Call end_alias_analysis.
5478 (scan_loop): Init the_movables.
5479 (record_giv): Init induction->no_const_addval.
5480 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
5481 [REG]: Rearrange loop search test to catch more cases.
5482 (general_induction_var): Return success not benefit; take an extra
5483 argument for that. Change all callers.
5484 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
5485 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
5486 [default]: Search the_movables for additional combinations.
5487 (sge_plus_constant, sge_plus): New functions.
5488 (express_from_1): New function.
5489 (express_from): Always define. Rewrite using express_from_1.
5490 (combine_givs_p): Handle more cases. Ignore address cost.
5491 (cmp_combine_givs_stats): New function.
5492 (combine_givs_used_once, combine_givs_benefit_from): New functions.
5493 (combine_givs): Rewrite to do best-fit combination.
5495 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
5496 (fold): Do a complete (A*C)+(B*C) association check.
5498 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
5500 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
5502 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
5504 * mn10300.c (MODES_TIEABLE_P): Fix typo.
5506 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
5508 * tree.c (valid_machine_attribute): Only create a new type variant if
5509 there is a decl to use it.
5511 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
5513 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
5516 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
5518 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
5521 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
5523 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
5524 Simplify tests for clearing an address register.
5525 (expand_prologue): Corresponding changes.
5527 * mn10300.md (movXX patterns): Make sure the destination is an
5528 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
5529 (logical patterns): Split into expanders + patterns
5530 (zero and sign extension patterns): Similarly.
5531 (shift patterns): Similarly.
5533 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
5535 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
5536 for the sequence, recording base values.
5538 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
5540 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
5542 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
5544 * gcc.c: Remove ANSI-C ism from --help code.
5546 * toplev.c: Support --help with USE_CPPLIB.
5548 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
5550 * configure.in: Rework gas feature code to work with symlink based
5553 * extend.texi: Clarify some issues related to local variables
5554 assigned to explicit registers.
5556 * mn10300.md (mulsi): Turn into expander + pattern.
5558 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
5561 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
5563 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
5565 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
5567 * version.c: Bump again to distinguish mainline tree from the
5570 See ChangeLog.0 for earlier changes.
5573 add-log-time-format: current-time-string
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