1 Thu Apr 16 22:41:02 1998 Jeffrey A Law (law@cygnus.com)
3 * varasm.c (asm_output_bss): Add prototype.
4 (asm_output_aligned_bss): Likewise.
6 * unroll.c (verify_addresses): Add prototype.
8 * toplev.c: Add many prototypes. Too many to mention here.
10 * stmt.c (check_seenlabel): Add prototype.
12 * rtlanal.c (reg_set_p_1): Add prototype.
13 (reg_set_last_1): Likewise.
15 * reorg.c (find_dead_or_set_registers): Add prototype.
17 * regmove (try_auto_increment): Add prototype.
19 * reg-stack.c (pop_stack): Add prototype.
21 * recog.c (validate_replace_rtx_1): Add prototype.
22 (find_cosntant_term_loc): Likewise.
24 * loop.c (regs_patch_p): Add prototype.
25 (add_label_notes, count_nonfixed_reads): Likewise.
26 (find_single_use_in_loop): Likewise.
27 (express_from): Surround prototype with #ifdef.
28 (giv_sort): Similarly.
30 * jump.c (mark_modified_reg): Add prototype.
32 * haifa-sched.c (is_prisky): Add prototype.
33 (queue_to_ready): Likewise.
35 * genextract.c (gen_insn): Add prototype.
37 * genemit.c (max_operand_1): Add prototype.
38 (max_operand_vec, print_code, gen_exp, gen_insn): Likewise.
39 (gen_expand, gen_explit, output_add_clobbers): Likewise.
40 (output_init_mov_optab): Likewise.
42 * genattrtab.c (attr_hash_add_rtx): Add prototype.
43 (attr_hash_add_string, write_length_unit_log): Likewise.
45 * genattr.c (init_range): Add prototype.
47 * combine.c (sets_function_arg_p): Add prototype.
49 * expr.c (store_constructor_field): Add prototype.
50 (get_memory_usage_from_modifier): Likewise
52 * expmed.c (synth_mult): Add prototype.
53 (choose_multiplier, invert_mod2n): Likewise.
55 * except.c (push_eh_entry): Add prototype.
56 (pop_eh_entry, enqueue_eh_entry, dequeu_eh_entry): Likewise.
57 (call_get_eh_context, start_dynamic_cleanup): Likewise.
58 (start_dynamic_handler, can_throw): Likewise.
59 (output_exception_table_entry, scan_region): Likewise.
60 (eh_regs, set_insn_eh_region): Likewise.
62 * dwarfout.c (decl_class_context): Add prototype.
63 (output_inheritance_die, type_ok_for_scope): Likewise.
65 * c-lex.c (skip_white_space_on_line): Add prototype.
67 * alias.c (record_set): Add prototype.
68 (find_base_term, base_alias_check): Likewise.
70 * function.c (assign_outer_stack_local): Make static and add prototype.
72 * haifa-sched.c (build_control_flow): Accept raw data as inputs
73 instead of computing it locally. Callers changed.
74 (find_rgns): Several new arguments. Callers changed.
75 Generally clean up and comment better. Use dominators to
76 identify reducible loops. Convert some flag arrays to bitmaps.
77 Convert most of the code to work on pred/succ lists instead of
78 an edge table. Add comments for future improvements.
79 (schedule_insns): Allocate temporary tables for flow data, call
80 routines to compute flow data and pass it along to children as
82 (debug_control_flow): Delete. Use dump_bb_data instead.
84 * basic-block.h (compute_dominators): Declare.
86 * flow.c (dump_sbitmap, dump_sbitmap_vector): New debugging
88 * basic-block.h: Declare them.
90 Thu Apr 16 13:45:51 1998 Jim Wilson <wilson@cygnus.com>
92 * reg-stack.c (constrain_asm_operands): Set n_alternatives to zero if
95 Wed Apr 15 11:33:09 1998 Alexandre Petit-Bianco <apbianco@sendai.cygnus.com>
97 * tree.c (build_expr_wfl): Use NULL_TREE if the file name is NULL.
98 Propagate TREE_SIDE_EFFECTS and TREE_TYPE iff the encapsulated
99 node is non NULL. Cache last file name and file name identifier node.
101 1998-04-15 Mark Mitchell <mmitchell@usa.net>
103 * c-common.c (declare_hidden_char_array): Use TYPE_DOMAIN to get
104 the length of an array, not TREE_TYPE.
106 Wed Apr 15 15:31:34 1998 Jeffrey A Law (law@cygnus.com)
108 * flow.c (sbitmap_union_of_successors): New function.
109 * basic-block.h (sbitmap_union_of_successors): Declare it.
111 Wed Apr 15 12:38:03 1998 Jim Wilson <wilson@cygnus.com>
113 * configure.in (gnu_ld): Rename to gnu_ld_flag before main loop.
114 Set gnu_ld to gnu_ld_flag inside main loop.
117 Wed Apr 15 14:50:05 1998 Dave Brolley <brolley@cygnus.com>
119 * toplev.c (compile_file): Call init_parse using new interface.
120 (init_lex): Remove declaration.
122 * c-lex.c (init_parse): Now returns char* containing filename.
124 Wed Apr 15 12:37:10 1998 Jeffrey A Law (law@cygnus.com)
126 * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing if not optimizing.
128 Wed Apr 15 12:10:18 1998 Michael Meissner <meissner@cygnus.com>
130 * Makefile.in (gen{config,flags,codes,emit}): Link in host print-rtl.o.
131 (gen{extract,peep,opinit,output}): Ditto.
133 * gen{attr,codes,config,emit,output}.c (insn_attr_name): Provide a
134 global definition so print-rtl.o can be linked in.
135 * gen{peep,recog}.c (insn_attr_name): Ditto.
137 Tue Apr 14 07:30:57 1998 K. Richard Pixley <rich@kyoto.noir.com>
139 * fixincludes: discard empty C++ comments, as found in sys/time.h
142 Wed Apr 15 10:47:21 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
144 * config/m68k/m68k.md (adddi3, subdi3): Optimize for constant
147 Wed Apr 15 01:21:21 1998 Jeffrey A Law (law@cygnus.com)
149 * emit-rtl.c (operand_subword): Rework slightly to avoid
150 bogus warning from previous change.
152 Tue Apr 14 23:39:13 1998 Richard Henderson <rth@cygnus.com>
154 * alpha.md: Revert Oct 27 change, as it is superceeded by Kenner's
155 Nov 8 find_replacement change. Move decls of get_unaligned_address
158 Tue Apr 14 22:00:39 1998 John Carr <jfc@mit.edu>
160 * function.c (assign_parms): Initialize unsignedp before passing
161 its pointer to promote_mode.
163 * genattrtab.c (check_attr_test): Handle MATCH_INSN like MATCH_OPERAND.
164 (write_test_expr): Allow MATCH_INSN.
166 Tue Apr 14 21:57:57 1998 Paul Eggert <eggert@twinsun.com>
168 * install.texi: Update section on warnings that can be safely ignored.
170 Tue Apr 14 14:55:16 1998 Jim Wilson <wilson@cygnus.com>
172 * mips.md (reload_outdi): Change the scratch mode from DImode to
173 TImode. New variable scratch, used instead of operand[2] in template.
174 Add code for MIPS16 HILO_REGNUM case where output reg is not M16_REG_P.
176 Tue Apr 14 16:19:03 1998 Michael Meissner <meissner@cygnus.com>
178 * expr.c (MOVE_RATIO): Set to 3 if optimizing for space.
180 Tue Apr 14 11:31:28 1998 Krister Walfridsson <cato@df.lth.se>
182 * i386/bsd386.h (ASM_OUTPUT_ALIGN): Redefine.
184 Tue Apr 14 09:02:32 1998 Jeffrey A Law (law@cygnus.com)
186 * svr4.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
187 (ASM_FINISH_DECLARE_OBJECT): Likewise.
189 * Idea and part of the patch from HJ.
190 * Makefile.in: auto-host.h renamed from auto-config.h. All references
192 (distclean): Remove auto-build.h too.
193 * configure.in: Rename host autoconf generated file to auto-host.h.
194 If host != build, then run autoconf to generate auto-build.h for
195 the build machine and include it in build_xm_files.
196 Check for wait.h and sys/wait.h.
198 * combine.c (simplify_rtx, case TRUNCATE): Respect value of
199 TRULY_NOOP_TRUNCATION.
201 Mon Apr 13 11:31:49 1998 Jason Merrill <jason@yorick.cygnus.com>
203 * tree.h (BINFO_OFFSET_ZEROP): Use integer_zerop.
205 Sun Apr 12 20:55:32 1998 Catherine Moore <clm@cygnus.com>
207 * invoke.texi (ld options) Include memset requirements
208 for options -nodstdlib and -nodefaultlibs.
210 1998-04-12 Paul Eggert <eggert@twinsun.com>
212 This change is from an idea suggested by Arthur David Olson.
214 * c-common.c (decl_attributes, record_function_format,
215 check_format_info, init_function_format_info):
216 Add support for strftime format checking.
217 (enum format_type): New type.
218 (record_function_format): Now static, and takes value of type
219 enum format_type instead of int.
220 (time_char_table): New constant.
221 (struct function_format_info): format_type member renamed from is_scan.
222 (check_format_info): Use `warning' rather than sprintf followed by
223 `warning', to avoid mishandling `%' in warnings.
224 Change `pedwarn' to `warning', since these warnings do not necessarily
225 mean the program does not conform to the C Standard, as the code
226 need not be executed.
228 * c-tree.h (record_function_format): Remove decl; no longer extern.
230 * extend.texi: Add documentation for strftime format checking.
232 Sun Apr 12 20:23:03 1998 Jeffrey A Law (law@cygnus.com)
234 * mips/ecoffl.h: Do not include mips.h.
235 * mips/elf.h: Likewise.
237 * configure.in (mips-*-ecoff): Do not mention mips/mips.h in tm_files.
238 * mips/ecoff.h: Include "mips/mips.h".
240 Sat Apr 11 22:42:54 PDT 1998 Jeff Law (law@cygnus.com)
242 * version.c: Bump for snapshot.
244 Sat Apr 11 01:24:28 1998 Jeffrey A Law (law@cygnus.com)
246 * cse.c (count_reg_usage): Correctly handle REG_NONNEG notes.
247 (delete_trivially_dead_insns): Renamed from delete_dead_from_cse.
248 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns instead of delete_dead_from_cse. Also call delete_trivially_dead_insns
249 between loop optimization passes.
250 * rtl.h: Updated appropriately.
252 Fri Apr 10 22:28:32 1998 Jeffrey A Law (law@cygnus.com)
254 Reinstall this patch from Jason.
255 * function.c (push_function_context_to): Don't call init_emit.
257 Fri Apr 10 13:40:20 1998 Nick Clifton <nickc@cygnus.com>
259 * rtl.c (read_skip_spaces): Prevent infinite loops upon
260 encountering unterminated comments.
262 Fri Apr 10 10:43:41 1998 Jeffrey A Law (law@cygnus.com)
264 * emit-rtl.c (operand_subword): Properly handle CONST_INTs for
267 * configure.in: Handle --with-fast-fixincludes.
268 (fixincludes): If --with-fast-fixincludes, then use a different
269 fixincludes program by default.
270 * Makefile.in (fixinc.sh): New rule.
272 Fri Apr 10 00:36:31 1998 H.J. Lu (hjl@gnu.org)
274 * i386.md (movqi+1): Handle invalid QI register.
275 (movsf_push-1): Likewise.
277 Thu Apr 9 16:53:59 1998 Nick Clifton <nickc@cygnus.com>
279 * config/m32r/m32r.c: call_address_operand(): Only accept symbolic
281 symbolic_memort_operand(), call32_operand(), int8_operand(),
282 int16_operand(), uint24_operand(), reg_or_int8_operand(): Removed.
284 uint16_operand(): Made static.
286 Thu Apr 9 01:43:04 1998 Jeffrey A Law (law@cygnus.com)
288 * calls.c (expand_call): Fix typo.
290 Thu Apr 9 00:18:44 1998 Dave Brolley (brolley@cygnus.com)
292 * c-lex.c (finput): New global.
293 (init_parse): Always included. Handle !USE_CPPLIB using
294 code originally in compile_file.
295 (finish_parse): Update for CPPLIB.
296 * toplev.c (init_parse, finish_parse): Declare.
297 (finput): Delete variable. Now in front-ends.
298 (compile_file): Remove code which is now handled by init_parse
299 which is unconditionally called. Similarly for finish_parse.
301 Wed Apr 8 23:13:50 1998 Gavin Koch <gavin@cygnus.com>
303 * config/mips/r3900.h (ASM_OUTPUT_DEF,SUPPORTS_WEAK,
304 ASM_WEAKEN_LABEL): Add.
306 Wed Apr 8 18:21:30 1998 Richard Henderson <rth@cygnus.com>
308 * alpha/crtbegin.asm, alpha/crtend.asm, alpha/t-crtb: New files.
309 * configure.in (alpha-*-linux*): Use them.
311 Fri Apr 3 17:02:13 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
313 * tree.def (EXPR_WITH_FILE_LOCATION): New tree node definition.
314 * tree.h (EXPR_WFL_{NODE,FILENAME,FILENAME_NODE,LINENO,
315 COLNO,LINECOL,SET_LINECOL,EMIT_LINE_NOTE}): New macros.
316 (build_expr_wfl): New prototype declaration.
317 * tree.c (build_expr_wfl): New function, to build
318 EXPR_WITH_FILE_LOCATION nodes.
319 (copy_node): Don't zero TREE_CHAIN if copying a
320 EXPR_WITH_FILE_LOCATION node.
321 * print-tree.c (print_node): Handle EXPR_WITH_FILE_LOCATION.
322 * expr.c (expand_expr): Handle EXPR_WITH_FILE_LOCATION.
324 Wed Apr 8 12:51:19 1998 Jeffrey A Law (law@cygnus.com)
326 * configure.in (v850): Use t-v850.
327 (ix86-wrs-vxworks): Recognize 786 just like other x86 configurations.
329 * protoize.c (creat, read, write): Do not declare.
331 * jump.c (mark_jump_label): Record REG_LABEL notes for insns which
332 refer to the CODE_LABEL before a dispatch table.
334 * invoke.texi: Add ARC options.
336 * gcc.c (proces_command): Improve error message for -o with
339 * i386/x-cygwin32 (CLIB): Link in advapi32.
341 * alpha.h (ASM_IDENTIFY_GCC): Define to nothing.
342 (ASM_IDENTIFY_LANGUAGE): Likewise.
344 * i386.md (movqi recognizer): Don't perfom byte increment into
347 * configure.in (x86-dg-dgux): Run fixinc.dgux.
349 * i370.h: Fix typo in GEN_INT changes.
351 * bitmap.c (bitmap_element_allocate): Use "void" for arglist instead
352 of an empty arglist in prototype.
354 * Makefile.in: Remove bytecode crud that crept back in after the
357 1998-04-08 Brendan Kehoe <brendan@cygnus.com>
359 * c-lex.h (is_class_name): Fix arg type to be tree, not void.
360 (make_pointer_declarator, reinit_parse_for_function): Fix typo.
362 Wed Apr 8 06:16:45 1998 Richard Earnshaw (rearnsha@arm.com)
364 * arm.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
366 Wed Apr 8 00:44:18 1998 Bernd Schmidt (crux@pool.informatik.rwth-aachen.de>
368 * c-lex.c (is_class_name): Delete declaration.
369 (whitespace_cr): Make static and add prototype.
370 * c-lex.h (make_pointer_declarator, reinit_parse_for_function,
371 yylex, get_directive_line): Turn declarations into prototypes.
372 (position_after_whitespace, check_newline, yyerror,, is_class_name,
373 forget_protocol_qualifiers, remember_protocol_qualifiers): Add
375 * genattr.c (extend_range, write_upcase, gen_attr, write_units): Add
377 * gencodes.c (gen_insn): Add prototype.
378 * genconfig.c (walk_insn, gen_insn, gen_expand, gen_split,
379 gen_peephole): Add prototypes.
380 * genflags.c (num_operands, gen_proto, gen_nonproto, gen_insn): Add
382 * gengenrtl.c (type_from_format, accessor_from_format, special_rtx,
383 special_format, find_formats, gendecl, genmacro, gendef, genlegend,
384 genheader, gencode): Add prototypes.
385 * genopinit.c (gen_insn): Add prototype.
386 * genoutput.c (output_prologue, output_epilogue, scan_operands,
387 process_template, validate_insn_alternatives, gen_insn, gen_peephole,
388 gen_expand, gen_split, n_occurrences): Add prototypes.
389 * genpeep.c (gen_peephole): Add prototype.
390 * loop.c (find_and_verify_loops, mark_loop_jump, prescan_loop,
391 reg_in_basic_block_p, consec_sets_invariant_p, libcall_other_reg,
392 labels_in_range_p, count_loop_regs_set, note_addr_stored,
393 loop_reg_used_before_p, scan_loop, replace_call_address,
394 skip_consec_insns, libcall_benefit, ignore_some_movables,
395 force_movables, combine_movables, rtx_equal_for_loop_p, move_movables,
396 strength_reduce, valid_initial_value_p, find_mem_givs, record_biv,
397 check_final_value, record_giv, update_giv_derive, basic_induction_var,
398 simplify_giv_expr, general_induction_var, consec_sets_giv,
399 check_dbra_loop, express_from, combine_givs_p, combine_givs,
400 product_cheap_p, maybe_eliminate_biv, maybe_eliminate_biv_1,
401 last_use_this_basic_block, record_initial, update_reg_last_use,
402 iteration_info, analyze_loop_iterations, insert_bct,
403 instrument_loop_bct, indirect_jump_in_function_p): Turn declarations
406 Tue Apr 7 21:48:52 1998 Jeffrey A Law (law@cygnus.com)
408 * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
410 1998-04-07 Ken Raeburn <raeburn@cygnus.com>
412 * config/mips/mips.c (siginfo): Deleted.
413 (override_options): Don't install SIGINFO signal handler.
415 Tue Apr 7 11:58:04 1998 Jim Wilson <wilson@cygnus.com>
417 * loop.c (check_dbra_loop): When normalize comparison_val, add check
418 to verify it is non-negative.
420 Tue Apr 7 02:01:47 1998 Richard Henderson <rth@cygnus.com>
422 * alpha.c (alpha_expand_block_move): Correctly collect block offsets.
423 (alpha_expand_block_clear): Likewise.
425 Mon Apr 6 23:36:01 1998 Richard Henderson <rth@cygnus.com>
427 * tree.h (sizetype_tab): Fix previous change for K&R.
429 Mon Apr 6 22:23:29 PDT 1998 Jeff Law (law@cygnus.com)
431 * version.c: Bump for snapshot.
433 Mon Apr 6 23:16:10 1998 Richard Earnshaw (rearnsha@arm.com)
435 * configure.in (sparc-*-solaris2*): Add xm-siglist.h to xm_file.
436 Add USG and POSIX to xm_defines.
438 Mon Apr 6 21:49:57 1998 Bob Manson <manson@charmed.cygnus.com>
440 * gcc.c: Add linker spec.
441 (link_command_spec): Use %(linker) instead of ld.
442 (main): If collect2 is requested as the linker, see if it exists;
443 if not, use ld instead.
445 * Makefile.in (USE_COLLECT2): It's named collect2 now, not ld.
447 (install-collect2): Install as collect2, not ld.
449 * configure.in(will_use_collect2): It's named collect2 now.
451 * collect2: Remove checks to see if we were invoked recursively.
452 (collect_execute): Use _spawnvp under cygwin32.
454 Mon Apr 6 17:23:41 1998 Jim Wilson <wilson@cygnus.com>
456 * haifa-sched.c (build_control_flow): Set unreachable for block whose
457 only predecessor is itself.
459 Mon Apr 6 16:08:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
461 * c-parse.in: Include system.h, and remove stuff now made redundant.
464 * protoize.c: Likewise. Properly check for cpp stringification.
466 * Makefile.in (c-parse.o, cccp.o, cexp.o, protoize.o, unprotoize.o):
469 * objc/Make-lang.in (objc-parse.o): Likewise.
471 Mon Apr 6 14:59:58 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
473 * gansidecl.h: Check if compiler supports __attribute__. Provide
474 definitions for ATTRIBUTE_UNUSED and ATTRIBUTE_PRINTF using
475 __attribute__ when its available. Also provide definitions for
476 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2 and ATTRIBUTE_PRINTF_3 in
477 terms of ATTRIBUTE_PRINTF.
479 * genoutput.c (process_template): Use ATTRIBUTE_UNUSED in place
482 Mon Apr 6 07:17:52 1998 Catherine Moore <clm@cygnus.com>
484 * combine.c (can_combine_p): Include successor in volatile test.
486 Mon Apr 6 14:16:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
488 * sh.h (CASE_VECTOR_SHORTEN_MODE): Fix logic when to set
491 Mon Apr 6 02:03:29 1998 Jeffrey A Law (law@cygnus.com)
493 * objc/objc-act.c (encode_aggregate_within): Avoid GNU extensions
494 in prototype and definition.
496 Mon Apr 6 00:48:56 PDT 1998 Jeff Law (law@cygnus.com)
498 * version.c: Bump for snapshot.
500 Mon Apr 6 00:08:50 1998 Richard Henderson <rth@cygnus.com>
502 * alpha.c (alpha_expand_block_clear): Add missing offset arg to
503 alpha_expand_unaligned_store_words.
505 Sun Apr 5 21:31:24 1998 John Wehle (john@feith.com)
507 * i386.md (movsf_push, movsf_mem): Remove.
508 (movsf_push): Rename from movsf_push_nomove and move in front of
509 movsf. Use nonmemory_operand predicate and don't bother checking
511 (movsf_push_memory): New pattern.
512 (movsf): Don't bother checking for push_operand. If TARGET_MOVE and
513 both operands refer to memory then force operand[1] into a register.
514 (movsf_normal): Change to unnamed pattern.
515 Likewise for movdf, movxf, and friends.
517 Sun Apr 5 18:45:51 PDT 1998 Jeff Law (law@cygnus.com)
519 * version.c: Bump for snapshot.
521 Sun Apr 5 16:31:10 1998 Richard Henderson <rth@cygnus.com>
523 * configure.in (alpha-dec-osf*): Match osf1.3 correctly.
525 Sun Apr 5 16:53:37 1998 Don Bowman <don@pixsci.com>
527 * configure.in (mips-wrs-vxworks): New target.
529 Sat Apr 4 23:34:32 PST 1998 Jeff Law (law@cygnus.com)
531 * expmed.c (synth_mult): The value -1, has no zeros, so it can
532 never have the form ...011.
534 * version.c: Bump for snapshot.
536 Sat Apr 4 20:16:46 1998 Richard Henderson <rth@cygnus.com>
538 * i386.c (asm_output_function_prefix, load_pic_register):
539 Use ASM_GENERATE_INTERNAL_LABEL properly.
540 (output_pic_addr_const): Recognize %X to supress any PIC sym suffix.
541 (print_operand): Ignore it.
542 (load_pic_register): Use it for the got load call.
543 * i386.md (prologue_set_got, prologue_get_pc): Likewise.
544 (prologue_get_pc_and_set_got): Likewise.
545 * i386.h: Update print_operand docs.
547 Sat Apr 4 19:08:37 1998 Richard Henderson <rth@cygnus.com>
549 * i386.md (ffssi, ffshi): Rewrite as define_expands.
550 (ffssi_1, ffshi_1): New (unspec [] 5) support patterns.
551 * i386.c (notice_update_cc): Recognize unspec 5.
553 Sat Apr 4 18:07:16 1998 David Mosberger-Tang (davidm@mostang.com)
555 * alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Accept '(' for s/sv/svi.
556 * alpha.c (print_operand): Handle it.
557 * alpha.md (fix_truncsfdi2): Use it. Add earlyclobber pattern
559 (fix_truncdfdi2): Likewise.
561 Sat Apr 4 17:42:05 1998 Richard Henderson <rth@cygnus.com>
563 * tree.h (sizetype_tab[2], sbitsizetype, ubitsizetype): Merge all
564 of these into a single struct, with additional [us]sizetype entries.
565 * stor-layout.c (set_sizetype): Initialize [us]sizetype.
566 * fold-const.c (size_int_wide): Don't rely on sizetype_tab being
569 Sat Apr 4 17:04:41 1998 Richard Henderson <rth@cygnus.com>
571 * configure.in (alpha-*-linux-*): Undo tm_file changes from gcc2 merge.
573 Sat Apr 4 13:50:01 1998 Richard Henderson <rth@cygnus.com>
575 * haifa-sched.c (split_block_insns): Don't supress insn splitting
576 on subsequent passes.
578 * alpha.c (hard_fp_register_operand): New function.
579 * alpha.h (PREDICATE_CODES): Add it.
580 * alpha.md (extendsidi2): Kill bogus f<-f cvtql+cvtlq case. Add an
581 f<-m case and accompanying define_split.
582 (trapb): Use a unique unspec_volatile number.
584 Sat Apr 4 13:32:08 1998 Richard Henderson <rth@cygnus.com>
586 * configure.in (alpha-*-linux-gnu*): Undo Feb 3 change brought in
589 Sat Apr 4 10:23:41 1998 Jeffrey A Law (law@cygnus.com)
591 * Check in merge from gcc2. See ChangeLog.11 and ChangeLog.12
594 * haifa-sched.c: Mirror recent changes from gcc2.
596 Fri Apr 3 00:17:01 1998 Jeffrey A Law (law@cygnus.com)
598 * Makefile.in (insn*.o): Depend on system.h.
600 * pa.c (output_global_address): Initialize base.
601 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Initialize index.
603 1998-04-03 Mike Stump <mrs@wrs.com>
605 * gthr.h: Support systems that don't have weak, but have threads.
606 * configure.in (*wrs-vxworks*): Use VxWorks threads by default.
607 * gthr-vxworks.h: New file.
608 * objc/thr-vxworks.h: Dummy file from thr-single.c for now.
610 Thu Apr 2 18:00:52 1998 Jim Wilson <wilson@cygnus.com>
612 * i386.md (movqi+1): Change alternative 1 from *r/r to *r/*rn.
614 1998-04-02 Vladimir N. Makarov <vmakarov@cygnus.com>
616 * ginclude/va-i960.h (va_end): Change void * to void.
618 Thu Apr 2 13:51:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
620 * Makefile.in (choose-temp.o): Depend on system.h.
622 * choose-temp.c: Include system.h when IN_GCC.
624 Thu Apr 2 02:37:07 1998 Joern Rennecke (amylaar@cygnus.co.uk)
625 Richard Henderson <rth@cygnus.com>
627 * reload.c (find_reloads_address): Try LEGITIMIZE_RELOAD_ADDRESS.
628 (move_replacements): New function.
629 * reload.h: Prototype it.
631 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): New definition.
633 Thu Apr 2 01:01:34 1998 Richard Henderson <rth@cygnus.com>
635 * configure (alpha-*-linuxecoff, alpha-*-linux-gnulibc1):
638 * emit-rtl.c (gen_lowpart_common): Skip count by HARD_REGNO_NREGS.
639 (gen_highpart): Likewise.
640 * final.c (alter_subreg): Allow the target to hook by-mode subreg
641 hard register number changes.
643 Wed Apr 1 22:26:22 1998 Jeffrey A Law (law@cygnus.com)
645 * fold-const.c optimze_bit_field_compare): Initialize rnbitpos,
646 rnbitsize, rnmode and rinner.
647 (make_range): Initialize type.
648 (fold): Initialize arg0, arg1 and varop.
650 * function.c (instantiate_virtual_regs_1): Initialize offset, regnoi
652 (expand_function_start): Initialize last_ptr.
654 * stor-layout.c (layout_record): Initialize desired_align.
655 (get_best_mode): Initialize unit.
657 * tree.c (copy_node): Initialize length.
659 * c-lex.c (yylex): Initialize traditional_type, ansi_type and type.
661 * caller-save.c (insert_save_restore): Initialize pat, code and
664 * emit-rtl.c (push_to_sequence): Initialize top.
665 (push_topmost_sequence): Likewise.
667 * genattrtab.c (simplify_by_exploding): Initialize defval.
669 * profile.c (branch_prob): Initialize dest.
671 * rtl.h (note_stores): Remove duplicate prototype.
672 (GEN_INT): Re-instate cast of second arg to HOST_WIDE_INT.
674 * cplus-dem.c (gnu_special): Don't get confused by .<digits>
675 strings that are not actually lengths.
677 * genattrtab.c: Make generated file use system.h, instead of
678 including stdio.h, etc directly.
679 * genextract.c, genopinit.c, genoutput.c: Likewise.
680 * genpeep.c, genrecog.c: Likewise
682 * genoutput.c (process_template): Mark operands in the generated
683 function as potentially unused if compiling with GNU CC.
685 * i386/freebsd-elf.h (CPP_PREDEFINES): Update from FreeBSD folks.
687 * pa.md (reload peepholes): Remove unused variable "mode".
689 Wed Apr 1 17:06:19 1998 Nick Clifton <nickc@cygnus.com>
691 * config/arm/thumb.h: Add super interworking support.
692 * config/arm/thumb.c: Add super interworking support.
693 * config/arm/thumb.md: Add super interworking support.
694 * config/arm/lib1funcs.asm: Add interworking support.
695 * config/arm/lib1thumb.asm: Add super interworking support.
696 * config/arm/t-semi: Add interworking support.
697 * config/arm/t-thumb: Add interworking support.
698 * config/arm/README-interworking: New file.
700 Wed Apr 1 14:38:10 1998 Jim Wilson <wilson@cygnus.com>
702 * config/mips/iris6.h (MD_EXEC_PREFIX): Set to /usr/bin/.
703 (MD_STARTFILE_PREFIX): Unset.
705 1998-04-01 Mark Mitchell <mmitchell@usa.net>
707 * varasm.c (make_decl_rtl): Update the DECL_ASSEMBLER_NAME for a
708 entity in a local scope.
710 * fold-const.c (fold): Call truthvalue_conversion for values which
711 are folded to boolean type.
713 Wed Apr 1 06:09:53 1998 Jeffrey A Law (law@cygnus.com)
715 * 1750a.md, arm.c, clipper.c, clipper.md: Use GEN_INT consistently.
716 * convex.h, dsp16xx.c, fx80.md, gmicro.c, gmicro.md: Likewise.
717 * i370.h, i370.md, i860.c, i860.h, i860.md, i960.c: Likewise.
718 * i960.h, i960.md, m32r.md, m68k.md, m68kv4.h, m88k.c: Likewise.
719 * m88k.md, ns32k.c, ns32k.md, pdp11.c, pdp11.h, pdp11.md: Likewise.
720 * pyr.c, pyr.h, pyr.md, romp.c, romp.h, romp.md: Likewise.
721 * rs6000.md, sparc.c, sparc.h, sparc.md, spur.c, spur.md: Likewise.
722 * tahoe.md, vax.h, vax.md, we32k.c, we32k.h, we32k.md: Likewise.
725 Wed Apr 1 08:33:44 1998 Manfred Hollstein <manfred@s-direktnet.de>
727 * fixincludes (limits.h): Fix nested comments in Motorola's
728 limits.h and sys/limits.h.
730 Tue Mar 31 16:57:33 1998 Jim Wilson <wilson@cygnus.com>
732 * alpha.c (alpha_expand_unaligned_load): Use tgt instead of addr
733 as dest of expand_binop call.
735 * alpha.md (extzv): Correct check for valid operand[2] values.
737 * profile.c (branch_prob): Add code to recognize HPPA tablejump entry
740 * toplev.c (rest_of__compilation): Call init_recog_no_volatile at end.
742 Mon Mar 30 13:11:05 1998 Stan Cox <scox@cygnus.com>
744 * libgcc2.c: (__main, __do_global_dtors, __do_global_ctors):
745 For __CYGWIN32__ use the versions in winsup/dcrt0.cc.
747 * gcc.c, cccp.c, cpplib.c, collect2.c (GET_ENVIRONMENT): Added.
748 cygwin32 can override this to allow both unix and win32 style PATHs.
750 * i386/xm-cygwin32.h (GET_ENVIRONMENT): Defined to allow win32
751 style environment paths.
753 Mon Mar 30 14:43:20 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
755 * Makefile.in (cppalloc.o, cpperror.o, cppexp.o, cpphash.o,
756 cpplib.o, cppmain.o, fix-header.o, gcov.o, gen-protos.o,
757 gengenrtl.o, halfpic.o, hash.o, scan-decls.o, scan.o): Depend on
760 * cpphash.c: Include config.h.
761 * cppalloc.c: Include system.h. Add parameters to various
763 * cpperror.c: Likewise.
764 * cppexp.c: Likewise.
765 * cpphash.c: Likewise.
766 * cpplib.c: Likewise.
767 * cppmain.c: Likewise.
768 * fix-header.c: Likewise.
770 * gen-protos.c: Likewise.
771 * gengenrtl.c: Likewise.
772 * halfpic.c: Likewise.
774 * scan-decls.c: Likewise.
777 Mon Mar 30 11:06:45 1998 Jim Wilson <wilson@cygnus.com>
779 * README.gnat: Add lang_print_xnode definition.
781 Mon Mar 30 11:12:24 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
783 * config/m68k/m68k.c (standard_68881_constant_p): Don't use
784 fmovecr on the 68060.
786 Mon Mar 30 00:21:03 1998 Jeffrey A Law (law@cygnus.com)
788 * genemit.c (DONE): Rework so that it works in the true arm if
789 an if-else conditional.
792 Sun Mar 29 12:45:23 1998 Jeffrey A Law (law@cygnus.com)
794 * rs6000.c: Do not include stdioh or ctype.h anymore.
796 * Makefile.in (c-typeck.o): Delete on expr.h, insn-codes.h and
798 (stor-layout.o): Likewise.
799 * c-typeck.c: Include rtl.h and expr.h.
800 * stor-layout.c: Likewise.
802 * cpplib.c (cpp_file_line_for_message): Delete unused parameter.
804 (do_sccs): Wrap in an SCCS_DIRECTIVE ifdef.
805 * fix-header.c (cpp_file_line_for_message): Delete unused paramter.
808 * collect2.c (is_in_list): Wrap inside COLLECT_EXPORT_LIST ifdef.
810 * local-alloc.c (reg_classes_overlap_p): Delete dead function.
812 * tree.h (lang_print_xnode): Provide prototype.
814 Sat Mar 28 23:50:44 PST 1998 Jeff Law (law@cygnus.com)
816 * version.c: Bump for snapshot.
818 Sun Mar 29 00:42:21 1998 Jeffrey A Law (law@cygnus.com)
820 * objc/sendmsg.c (__objc_block_forward): Add braces for return
821 value if INVISIBLE_STRUCT_RETURN.
823 * pa.c (arith_double_operand): Fix parens.
825 * haifa-sched.c (print_pattern): Correct arg to sprintf.
827 * Makefile.in (libgcc1.null): Make return type for __foo void.
829 Sat Mar 28 14:37:20 1998 Jeffrey A Law (law@cygnus.com)
831 * pa.h: Add declarations for many functions defined in pa.c.
833 * genpeep.c (main): Remove unused variable 'i' from the generated
836 * genemit.c (gen_expand): Do not emit "_done" or "_fail" labels.
837 (gen_split): Likewise.
838 (main): Rework generated definitions of DONE and FAIL so that they
839 no longer use gotos. Avoids warnings about unused labels.
841 * integrate.c (copy_rtx_and_substitute): Rework to avoid need for
842 unused "junk" variable.
844 * genattrtab.c (write_complex_function): Add a default case in
845 generated switch statement to keep -W -Wall quiet.
847 Sat Mar 28 10:47:21 1998 Nick Clifton <nickc@cygnus.com>
849 * invoke.texi: Document more ARM and Thumb command line options.
851 * config/arm/xm-thumb.h: New file.
853 Sat Mar 28 01:37:33 1998 Craig Burley <burley@gnu.ai.mit.edu>
855 * stmt.c (expand_expr_stmt): Must generate code for
856 statements within an expression (gcc's `({ ... )}')
857 even if -fsyntax-only.
859 Sat Mar 28 01:06:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
860 Jeffrey A Law (law@cygnus.com)
862 * basic-block.h (basic_block_computed_jump_target): Declare.
863 * flags.h: (current_function_has_computed_jump): Declare.
864 * flow.c: (basic_block_computed_jump_target): Define.
865 (flow_analysis): Allocate it. Set current_function_has_computed_jump
867 (find_basic_blocks): Set current_function_has_computed_jump and
868 elements of basic_block_computed_jump_target to 1 as appropriate.
869 * function.c: (current_function_has_computed_jump): Define.
870 * global.c (global_conflicts): Don't allocate pseudos into stack regs
871 at the start of a block that is reachable by a computed jump.
872 * reg-stack.c (stack_reg_life_analysis): If must restart, do so
874 (subst_stack_regs): Undo change from Sep 4 1997.
875 (uses_reg_or_mem): Now unused, deleted.
876 * stupid.c (stupid_life_analysis): Compute
877 current_function_has_computed_jump.
878 (stupid_find_reg): Don't allocate stack regs if the function has a
880 * haifa-sched.c (is_cfg_nonregular): Delete code to determine if
881 the current function has a computed jump. Use the global value
884 Sat Mar 28 00:21:37 1998 Jeffrey A Law (law@cygnus.com)
886 * i386/freebsd.h (CPP_PREDEFINES): Remove __386BSD__.
887 (DWARF2_UNWIND_INFO): Define to zero.
889 Fri Mar 27 16:04:49 1998 Michael Meissner <meissner@cygnus.com>
891 * gcc.c (set_std_prefix): Add declaration.
892 (process_command): If GCC_EXEC_PREFIX is set, remove /lib/gcc-lib/
893 suffix, and update the standard prefix prefix.c uses.
895 * prefix.c (std_prefix): New global to hold default prefix value.
896 (get_key_value): Change to use std_prefix instead of PREFIX.
897 (translate_name): Ditto.
898 (update_path): Ditto.
899 (get_key_value): Release allocated scratch storage.
900 (set_std_prefix): New function to reset the standard prefix.
902 Fri Mar 27 18:08:21 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
904 * sh.c (find_barrier): Fix calculations for alignment increase.
906 Fri Mar 27 08:56:52 1998 Manfred Hollstein <manfred@s-direktnet.de>
908 * Makefile.in (stmp-fixinc): If we're actually fixing include
909 files, copy gcc's assert.h into the fixed include dir.
910 * fixincludes (assert.h): Avoid any attempts to fix a probably
911 broken system specific assert.h file.
912 * fixproto (stdlib.h): Make sure, it'll contain a definition of
915 Fri Mar 27 00:49:46 1998 Jeffrey A Law (law@cygnus.com)
917 * regclass.c (reg_scan_mark_refs): Be more selective about
918 when we mark a register with REGNO_POINTER_FLAG.
920 Thu Mar 26 23:00:11 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
922 reload inheritance improvement:
923 * reload1.c (reg_reloaded_contents, reg_reloaded_insn):
924 Change meaning: index is now hard reg number.
925 (reg_reloaded_valid, reg_reloaded_dead): New variables.
926 (reload_spill_index): Content is now a hard reg number.
927 (reload_as_needed): Change to fit new variable meaning.
928 (forget_old_reloads_1, allocate_reload_reg): Likewise.
929 (choose_reload_regs, emit_reload_insns): Likewise.
931 Thu Mar 26 18:34:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
933 * regclass.c (record_reg_classes): '?' increases cost by two.
935 * reload.c (find_reloads): Double previous costs. Output
936 reloads cost one unit extra.
938 * reload1.c (eliminate_regs): Delete LOAD_EXTENDED_OP code that
939 boiled down to && ! 0.
941 * reload.c (find_equiv_reg): Also consider a goal offset from the
942 frame pointer to be constant.
944 Thu Mar 26 17:34:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
946 * sh.h (OPTIMIZATION_OPTIONS): Define.
948 Thu Mar 26 00:19:47 1998 Richard Henderson <rth@cygnus.com>
950 * combine.c (make_compound_operation): Simplify (subreg (*_extend) 0).
952 Wed Mar 25 23:53:11 1998 Jeffrey A Law (law@cygnus.com)
954 * pa.c (pa_adjust_cost): Avoid redundant calls to get_attr_type.
956 Wed Mar 25 13:40:48 1998 Jim Wilson <wilson@cygnus.com>
958 * c-common.c (check_format_info): Initialize type, is_type. New local
959 integral_format. Don't warn for 'L' when pedantic. Do warn for 'L'
960 when pedantic if used with integral format specifier.
962 Wed Mar 25 16:09:01 1998 Michael Meissner <meissner@cygnus.com>
964 * rs6000.h (FUNCTION_ARG_PADDING): Cast result to be enum
966 (function_arg_padding): Declare.
968 * rs6000.c: Include system.h.
969 (function_arg_padding): Change return type to int, cast enum's to
972 (From Kaveh R. Ghazi <ghazi@caip.rutgers.edu>)
973 * collect2.c (scan_prog_file): Add explicit braces to avoid
976 * dbxout.c (dbxout_type_fields): Add braces around empty body in
978 (dbxout_type): Likewise.
980 * rs6000.c (rs6000_override_options): Change type of `i', `j' and
981 `ptt_size' from int to size_t.
982 (rs6000_file_start): Likewise for `i'.
983 (rs6000_replace_regno): Add default case in enumeration switch.
984 (output_epilog): Remove unused variable `i'.
985 (rs6000_longcall_ref): Remove unused variables `len', `p', `reg1'
988 * rs6000.h (ADDITIONAL_REGISTER_NAMES): Add missing braces around
990 (get_issue_rate, non_logical_cint_operand): Add prototype.
991 (rs6000_output_load_toc_table): Ditto.
993 * rs6000.md (udivmodsi4): Add explicit braces to avoid ambiguous
996 Wed Mar 25 10:05:19 1998 Nick Clifton <nickc@cygnus.com>
998 * config/arm/thumb.c: New File. Support for ARM's Thumb
1000 * config/arm/thumb.h: New File. Thumb definitions.
1001 * config/arm/thumb.md: New File. Thumb machine description.
1002 * config/arm/tcoff.h: New File. Thumb COFF support.
1003 * config/arm/t-thumb: New File. Thumb makefile fragment.
1004 * config/arm/lib1thumb.asm: New File. Thumb libgcc support functions.
1006 * configure.in: Add Thumb-coff target.
1007 * configure: Add Thumb-coff target.
1008 * config.sub: Add Thumb-coff target.
1010 Wed Mar 25 10:30:32 1998 Jim Wilson <wilson@cygnus.com>
1012 * loop.c (scan_loop): Initialize move_insn_first to zero.
1014 Wed Mar 25 01:06:49 1998 Joel Sherrill (joel@OARcorp.com)
1016 * config/i386/go32-rtems.h: Defined TARGET_MEM_FUNCTIONS.
1017 * config/i386/rtems.h: Likewise.
1018 * config/i960/rtems.h: Likewise.
1019 * config/m68k/rtems.h: Likewise.
1020 * config/mips/rtems64.h: Likewise.
1021 * config/pa/rtems.h: Likewise.
1022 * config/rs6000/rtems.h: Likewise.
1023 * config/sh/rtems.h: Likewise.
1024 * config/sparc/rtems.h: Likewise.
1026 Wed Mar 25 00:57:26 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1028 * pa.c (emit_move_sequence): If in reload, call find_replacement.
1030 Tue Mar 24 10:44:11 1998 Nick Clifton <nickc@cygnus.com>
1032 * Makefile.in (gcov$(exeext)): Support .exe extension to gcov.
1034 * collect2.c (find_a_file): Add debugging.
1035 (find_a_file): Test for win32 style absolute paths if
1036 DIR_SERPARATOR is defined.
1037 (prefix_from_string): Add debugging.
1038 (main): Test for debug command line switch at start of program
1040 (main): Use GET_ENVIRONMENT rather than getenv().
1041 (prefix_from_env): Use GET_ENVIRONMENT.
1043 1998-03-24 Mark Mitchell <mmitchell@usa.net>
1045 * cplus-dem.c (optable): Add sizeof.
1046 (demangle_template_value_parm): New function containing code
1047 previously found in demangle_template.
1048 (demangle_integral_value): New function which handles complicated
1049 integral expressions.
1050 (demangle_template): Use them.
1052 Tue Mar 24 12:13:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1054 * Makefile.in (genconfig.o, genflags.o, gencodes.o, genemit.o,
1055 genopinit.o, genrecog.o, genextract.o, genpeep.o, genattr.o,
1056 genattrtab.o, genoutput.o): Depend on system.h.
1058 * genattr.c: Include system.h. Add arguments to various function
1059 prototypes. Remove redundant prototype of read_rtx().
1060 * genattrtab.c: Likewise.
1061 * gencodes.c: Likewise.
1062 * genconfig.c: Likewise.
1063 * genemit.c: Likewise.
1064 * genextract.c: Likewise.
1065 * genflags.c: Likewise.
1066 * genopinit.c: Likewise.
1067 * genoutput.c: Likewise.
1068 * genpeep.c: Likewise.
1069 * genrecog.c: Likewise.
1071 1998-03-24 Martin von Loewis <loewis@informatik.hu-berlin.de>
1073 * c-lang.c (lang_print_xnode): New function.
1074 * objc/objc-act.c (lang_print_xnode): Likewise.
1075 * print-tree.c (print_node): Call it
1077 Mon Mar 23 23:59:11 1998 H.J. Lu (hjl@gnu.org)
1079 * c-parse.in: Recognize protocol qualifiers in class
1080 definitions for objc.
1082 (yyerror): Remove redundant decl.
1083 (yyprint): Fix prototype.
1085 Mon Mar 23 23:49:47 1998 Jeffrey A Law (law@cygnus.com)
1087 * cse.c (rtx_cost): Only call CONST_COSTS if it is defined.
1089 * stmt.c (unroll_block_trees): Free block_vector if needed.
1091 Mon Mar 23 23:26:42 1998 Philippe De Muyter <phdm@macqel.be>
1093 * m68k/m68k.md (zero_extendqidi2, zero_extendhidi2): New patterns.
1094 (zero_extendsidi2): Avoid useless copy.
1095 (iordi_zext): New pattern.
1096 (iorsi_zexthi_ashl16): Pattern reworked to avoid "0" constraint for
1098 (iorsi_zext): New name for old unnamed pattern; indentation fixes.
1100 * m68k/m68k.md (ashldi_const): Allow shift count in range ]32,63].
1101 (ashldi3): Allow constant shift count in range ]32,63].
1102 (ashrdi_const, ashrid3, lshrdi_const, lshrdi3): Likewise.
1104 1998-03-22 Mark Mitchell <mmitchell@usa.net>
1106 * tree.h (IS_EXPR_CODE_CLASS): New macro.
1108 Mon Mar 23 23:18:48 1998 Jeffrey A Law (law@cygnus.com)
1110 * h8300.h (CONST_COSTS): Remove definition.
1111 (DEFAULT_RTX_COSTS): Define.
1113 Mon Mar 23 22:58:22 1998 Joel Sherrill (joel@OARcorp.com)
1115 * config/sh/rtems.h: Switched from ELF to COFF.
1117 Mon Mar 23 14:14:20 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1119 * freebsd.h (ASM_OUTPUT_ALIGN): Redefine.
1121 Sat Mar 21 23:52:56 PST 1998 Jeff Law (law@cygnus.com)
1123 * version.c: Bump for snapshot.
1125 Sun Mar 22 00:50:42 1998 Nick Clifton <nickc@cygnus.com>
1126 Geoff Noer <noer@cygnus.com>
1128 * Makefile.in: Various fixes for building cygwin32 native toolchains.
1130 * objc/Makefile.in: Various fixes for building cygwin32 native toolchains.
1131 * objc/Make-lang.in: Likewise.
1133 * config/i386/xm-cygwin32.h (PATH_SEPARATOR): Set to a semi-colon.
1135 Sun Mar 22 00:21:46 1998 R. Ganesan <rganesan@novell.com>
1137 * configure.in: Handle with-PACKAGE=no correctly
1139 Fri Mar 20 17:36:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1141 * Makefile.in (alias.o, bitmap.o, c-aux-info.o, c-common.o,
1142 c-decl.o, c-iterate.o, c-lang.o, c-lex.o, c-pragma.o, c-typeck.o,
1143 caller-save.o, calls.o, collect2.o, combine.o, cse.o, dbxout.o,
1144 dwarf2out.o, dwarfout.o, emit-rtl.o, except.o, explow.o, expmed.o,
1145 expr.o, final.o, flow.o, function.o, getpwd.o, global.o,
1146 integrate.o, jump.o, local-alloc.o, loop.o, optabs.o, pexecute.o,
1147 prefix.o, print-rtl.o, print-tree.o, profile.o, real.o, recog.o,
1148 reg-stack.o, regclass.o, regmove.o, reload.o, reload1.o, reorg.o,
1149 rtl.o, rtlanal.o, sdbout.o, stmt.o, stor-layout.o, stupid.o,
1150 tlink.o, toplev.o, tree.o, unroll.o, varasm.o, xcoffout.o): Depend
1153 * alias.c, bitmap.c, c-aux-info.c, c-common.c, c-decl.c,
1154 c-iterate.c, c-lang.c, c-lex.c, c-pragma.c, c-typeck.c,
1155 caller-save.c, calls.c, collect2.c, combine.c, cse.c, dbxout.c,
1156 dwarf2out.c, dwarfout.c, emit-rtl.c, except.c, explow.c, expmed.c,
1157 expr.c, final.c, flow.c, function.c, gcc.c, getpwd.c, global.c,
1158 integrate.c, jump.c, local-alloc.c, loop.c, optabs.c, pexecute.c,
1159 prefix.c, print-rtl.c, print-tree.c, profile.c, real.c, recog.c,
1160 reg-stack.c, regclass.c, regmove.c, reload.c, reload1.c, reorg.c,
1161 rtl.c, rtlanal.c, sched.c, sdbout.c, stmt.c, stor-layout.c,
1162 stupid.c, tlink.c, toplev.c, tree.c, unroll.c, varasm.c,
1163 xcoffout.c: Include system.h. Organize include ordering so
1164 that stdarg/varargs comes before other system headers. Remove
1165 spurious casts of functions assured of a prototype in system.h.
1167 Fri Mar 20 11:19:40 1998 Stan Cox <scox@equinox.cygnus.com>
1169 * reg-stack.c (pop_stack): Define. Pops any register on the
1170 regstack and adjusts regstack.
1171 (compare_for_stack_reg): Use pop_stack.
1173 Thu Mar 19 23:51:01 1998 Jeffrey A Law (law@cygnus.com)
1175 * configure.in (hppa1.0-hp-hpux10): Handle threads for this
1178 Thu Mar 19 20:30:31 1998 Philippe De Muyter <phdm@macqel.be>
1180 * libgcc2.c (exit): Do not call __bb_exit_func if HAVE_ATEXIT.
1182 * fold-const.c (fold): Replace sign-extension of a zero extended
1183 value by a single zero extension.
1185 Thu Mar 19 00:58:07 1998 Jason Merrill <jason@yorick.cygnus.com>
1187 * except.c (init_eh): Do nothing.
1188 (save_eh_status): Call init_eh_for_function, not init_eh.
1189 * function.c (push_function_context_to): Don't call init_emit.
1191 Thu Mar 19 13:39:52 1998 Michael Meissner <meissner@cygnus.com>
1193 * rs6000/sysv4.h (RELATIVE_PREFIX_NOT_LINKDIR): Undef for System V
1196 Thu Mar 19 10:10:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1198 * final.c (shorten_branches): Add parentheses around +/- in
1201 * flow.c (life_analysis): Wrap variable `i' in macro ELIMINABLE_REGS.
1203 Thu Mar 19 09:15:17 1998 Manfred Hollstein <manfred@s-direktnet.de>
1205 * regclass.c (memory_move_secondary_cost): Wrap uses of
1206 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS
1209 Thu Mar 19 09:06:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
1211 * config/m68k/m68k.md (addqi3): Fix typo gen_INT vs. GEN_INT.
1213 * flow.c (life_analysis): #include <sys/types.h> to make sure
1215 * cplus-dem.c (demangle_function_name): Likewise.
1217 Thu Mar 19 09:00:01 1998 Manfred Hollstein <manfred@s-direktnet.de>
1219 * final.c (insn_noperands): Change type to unsigned int.
1220 (final_scan_insn): Likewise for noperands;
1221 properly check operand number boundaries.
1223 Wed Mar 18 16:20:30 1998 Richard Henderson <rth@cygnus.com>
1225 * alpha.md (extzv): Don't reject register operands. Fix
1228 Wed Mar 18 16:14:23 1998 Richard Henderson <rth@cygnus.com>
1230 * dbxout.c (dbxout_function_end): Fix last change. The correct
1231 predicate is ASM_OUTPUT_SECTION_NAME.
1233 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
1235 * sh.md (ashlsi_c-1): Delete 3rd argument to gen_ashlsi_c.
1236 (ashlsi): Use match_dup 1 instead of match_operand 2.
1238 Wed Mar 18 13:46:07 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1240 * fold-const.c (operand_equal_for_comparison_p): See if equal
1241 when nop conversions are removed.
1243 Wed Mar 18 13:42:01 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1245 * expr.c (expand_expr, case COND_EXPR): If have conditional move,
1246 don't use ORIGINAL_TARGET unless REG.
1248 Wed Mar 18 16:53:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1250 * netbsd.h (ASM_OUTPUT_ALIGN): Redefine.
1252 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
1254 * loop.c (struct movable): New field move_insn_first.
1255 (scan_loop): In consec sets code, set it. Clear it otherwise.
1256 (move_movables): In consec sets code, use it. Copy REG_NOTES from
1257 p to i1 only if i1 does not have REG_NOTES. Delete obsolete ifdefed
1260 Wed Mar 18 09:52:56 1998 Richard Henderson <rth@cygnus.com>
1262 * rtl.c (read_rtx): Fall back on homebrew atoll if HOST_WIDE_INT
1263 is large, and the system doesn't provide atoll or atoq.
1266 * alpha/xm-vms.h (HAVE_ATOLL): Define.
1267 Reported by Klaus Kaempf <kkaempf@progis.de>.
1269 Wed Mar 18 09:56:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1271 * c-lang.c (finish_file): Wrap variable `void_list_node' with macro
1272 test !ASM_OUTPUT_CONSTRUCTOR || !ASM_OUTPUT_DESTRUCTOR.
1274 * calls.c (emit_call_1): Wrap variable `already_popped' with macro
1275 test !ACCUMULATE_OUTGOING_ARGS.
1277 * collect2.c (write_c_file_glob): Wrap function definition in
1278 macro test !LD_INIT_SWITCH.
1280 * combine.c (try_combine): Wrap variables `cc_use' and
1281 `compare_mode' in macro test EXTRA_CC_MODES.
1283 * cpplib.c (do_ident): Remove unused variable `len'.
1284 (skip_if_group): Remove unused variables `at_beg_of_line' and
1286 (cpp_get_token): Remove unused variable `dummy'.
1288 * dbxout.c (scope_labelno): Move static variable definition inside
1289 the one function scope where it is used.
1290 (dbxout_function_end): Wrap prototype and definition in
1291 macro test !NO_DBX_FUNCTION_END.
1293 * dwarf2out.c (add_subscript_info): Wrap variable `dimension_number'
1294 in macro test !MIPS_DEBUGGING_INFO.
1296 * expr.c (expand_builtin_setjmp): Move declaration of variable `i'
1297 into the scope where it is used. Wrap empty else-statement body
1300 * fix-header.c: Fix typo in comment.
1301 (inf_skip_spaces): Cast results of INF_UNGET to (void).
1302 (check_protection, main): Likewise.
1304 * flow.c (find_basic_blocks_1): Remove dangling comment text.
1306 * function.c (contains): Wrap prototype and definition in macro
1307 test HAVE_prologue || HAVE_epilogue.
1308 (fixup_var_refs_1): Remove unused variable `width'.
1310 * gen-protos.c (main): Remove unused variable `optr'.
1312 * haifa-sched.c (debug_control_flow): Remove unused variable `j'.
1314 * libgcc2.c (__udiv_w_sdiv): Provide dummy return value of 0.
1315 (__sjpopnthrow): Remove unused variable `jmpbuf'.
1316 (__throw): Remove unused variable `val'.
1318 * protoize.c: Check for a previously existing definition before
1319 defining *_OK macros.
1321 * scan-decls.c (scan_decls): Remove unused variable `old_written'.
1323 Tue Mar 17 00:45:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1325 * vax.h (ADDR_VEC_ALIGN): Define.
1327 Mon Mar 16 15:57:17 1998 Michael Meissner <meissner@cygnus.com>
1329 * gcc.c (default_arg): Don't wander off the end of allocated
1332 (From Geoffrey Keating <geoffk@ozemail.com.au>)
1333 * rs6000.c (small_data_operand): Ensure that any address
1334 referenced relative to the small data area is inside the SDA.
1336 Mon Mar 16 12:55:15 1998 Jim Wilson <wilson@cygnus.com>
1338 * config/m68k/netbsd.h (ASM_SPEC): Add %{m68060}.
1340 Mon Mar 16 15:50:20 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1342 * except.h (in_same_eh_region): New prototype.
1343 (free_insn_eh_region, init_insn_eh_region): New prototypes.
1344 * except.c (insn_eh_region, maximum_uid): New static variables.
1345 (set_insn_eh_region): New static function to set region numbers.
1346 (free_insn_eh_region): New function to free EH region table.
1347 (init_insn_eh_region): New function to initialize EH region table.
1348 (in_same_eh_region): New function used to determine if two rtl
1349 instructions are in the same exception region or not.
1350 * final.c (final): Initialize the table indicating which instructions
1351 belong in which exception region.
1352 * genpeep.c (main): Add "except.h" to include file list in generated
1354 * config/sparc/sparc.md: Add calls to 'in_same_eh_region' in 4
1355 peepholes involving calls and unconditional branches.
1357 Mon Mar 16 11:16:50 1998 Jim Wilson <wilson@cygnus.com>
1359 * README.gnat: New file.
1361 Mon Mar 16 11:14:20 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1363 * config/m68k/m68k.c: Include <stdlib.h> for atoi. Include
1364 "recog.h" for offsettable_memref_p.
1365 (legitimize_pic_address): Remove unused variable `offset'.
1366 (notice_update_cc): Change return type to void. Add default label
1368 (standard_68881_constant_p): Remove unused variable mode.
1369 (print_operand): Define local variable i only if SUPPORT_SUN_FPA.
1370 (const_int_cost): Explicitly declare as returning int.
1371 (output_dbcc_and_branch): Change return type to void.
1373 * config/m68k/linux.h, config/m68k/m68k.md, config/m68k/m68k.c,
1374 config/m68k/m68k.h: Replace gen_rtx (XXX, ...) with gen_rtx_XXX
1375 (...). Use GEN_INT instead of gen_rtx_CONST_INT.
1377 Sun Mar 15 22:30:44 PST 1998 Jeff Law (law@cygnus.com)
1379 * version.c: Bump for snapshot.
1381 Fri Mar 13 11:30:12 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1383 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Fix logic in range
1384 check for 'M' constraint.
1386 Thu Mar 12 14:47:14 1998 Jim Wilson <wilson@cygnus.com>
1388 * cccp.c (create_definition): If pedantic, call pedwarn for macro
1391 Thu Mar 12 13:43:25 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1393 * i386.c (ix86_logical_operator): New function.
1394 (split_di): Ensure that when a MEM is split, the resulting MEMs have
1396 * i386.md (anddi3, xordi3, iordi3): New patterns. Add a define_split
1399 Thu Mar 12 15:13:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1400 Richard Earnshaw <rearnsha@arm.com>
1401 Nick Clifton <nickc@cygnus.com>
1403 * tm.texi (DEFAULT_RTX_COSTS): Document new macro.
1405 * arm.h (DEFAULT_RTX_COSTS): Define instead of RTX_COSTS.
1407 * cse.c (rtx_cost): Provide a default case in an enumeration
1408 switch, and call DEFAULT_RTX_COSTS if it's defined.
1410 Thu Mar 12 10:02:38 1998 Manfred Hollstein <manfred@s-direktnet.de>
1412 * basic-block.h (compute_preds_succs): Change return type in
1414 * flow.c (compute_preds_succs): Likewise in function definition.
1416 * regmove.c (find_matches): Cast char used as array index to unsigned char
1419 Thu Mar 12 09:39:40 1998 Manfred Hollstein <manfred@s-direktnet.de>
1421 * i386.h (RTX_COSTS): Insert braces around nested if.
1422 (ADDITIONAL_REGISTER_NAMES): Insert braces around structured
1425 * gcc.c (default_compilers): Properly put brackets around array elements in
1428 * getopt.c (_getopt_internal): Add explicit braces around nested if;
1431 * reg-stack.c (record_asm_reg_life): Add explicit braces around nested if's.
1432 (record_reg_life_pat): Add explicit parens around && and || in expression.
1433 (stack_reg_life_analysis): Add parens around assignment used as expression.
1434 (convert_regs): Likewise.
1436 Thu Mar 12 09:25:29 1998 Manfred Hollstein <manfred@s-direktnet.de>
1438 * bitmap.c (bitmap_element_allocate): Remove unused parameter;
1439 change callers accordingly.
1441 * cplus-dem.c (arm_special): Remove unused parameter work in prototype
1442 and definition; change all callers accordingly.
1444 * except.c (init_eh): Avoid assignment of unused return value of
1445 build_pointer_type; cast it to void, instead, and remove unused
1448 * gcc.c (lang_specific_driver): Define prototype only #ifdef
1449 LANG_SPECIFIC_DRIVER.
1450 (temp_names): Define only #ifdef MKTEMP_EACH_FILE.
1452 * genoutput.c (output_epilogue): Initialize next_name to 0.
1454 * real.c (efrexp): #if 0 prototype and function definition.
1455 (eremain): Likewise.
1462 * reload.c (push_secondary_reload): Define prototype only
1463 #ifdef HAVE_SECONDARY_RELOADS.
1465 * varasm.c (assemble_static_space): Define rounded only
1466 #ifndef ASM_OUTPUT_ALIGNED_LOCAL.
1468 Thu Mar 12 09:11:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
1470 * i386.md (andsi): Add default case in enumeration switch.
1475 Thu Mar 12 08:37:02 1998 Manfred Hollstein <manfred@s-direktnet.de>
1477 * c-decl (finish_struct): Change type of min_align to unsigned.
1479 * cplus-dem.c (demangle_function_name): Change type of variable i to size_t;
1480 remove unused variable len.
1482 * dwarf2out.c (reg_save): Add explicit cast of -1 to unsigned and a
1483 comment indicating this is proper behaviour.
1484 (reg_loc_descriptor): Remove redundant comparison of unsigned variable
1486 (based_loc_descr): Likewise.
1488 * enquire.c (bitpattern): Change type of variable i to unsigned.
1490 * final.c (output_asm_insn): Don't cast insn_noperands to unsigned.
1492 * flow.c (life_analysis): Change type of variable i to size_t;
1493 remove unused variable insn.
1495 * gcc.c (translate_options): Change type of variables optlen, arglen and
1497 (input_filename_length): Change type to size_t.
1498 (do_spec_1): Change type of variable bufsize to size_t.
1499 (main): Change type of variables i and j to size_t;
1500 remove subblock local definition of variable i.
1501 (lookup_compiler): Change type of second argument to size_t;
1502 change type of variable i to size_t.
1504 * genemit.c (output_init_mov_optab): Change type of variable i to size_t.
1506 * genopinit.c (get_insn): Change type of variable pindex to size_t.
1508 * genrecog.c (add_to_sequence): Change type of variable i to size_t.
1510 * global.c (global_alloc): Change type of variable i to size_t.
1512 * regclass.c (init_reg_sets): Change type of variables i and j to unsigned.
1514 * stmt.c (expand_end_bindings): Change type of variable i to size_t.
1515 (expand_end_case): Change type of variable count to size_t.
1517 * toplev.c (main): Change type of variable j to size_t.
1518 (set_target_switch): Change type of variable j to size_t.
1519 (print_switch_values): Change type of variable j to size_t;
1520 remove unused variable flags.
1522 * varasm.c (assemble_variable): Change type of variable align to size_t.
1523 (const_hash_rtx): Change type of variable i to size_t.
1525 1998-03-11 Mark Mitchell <mmitchell@usa.net>
1527 * dbxout.c (dbxout_type_methods): Only treat TYPE_METHODS as a
1528 TREE_VEC if that's what it really is.
1530 Wed Mar 11 15:16:01 1998 Michael Meissner <meissner@cygnus.com>
1532 * {haifa-,}sched.c (rank_for_schedule): Only take void * arguments
1535 Wed Mar 11 12:05:20 1998 Teemu Torma <tot@trema.com>
1537 * gthr.h: Changed the comment about return values.
1538 * gthr-solaris.h (__gthread_once): Do not use errno; return the
1539 error number instead of -1.
1540 (__gthread_key_create): Any non-zero return value is an error.
1541 * libgcc2.c (eh_context_initialize): Check for non-zero return
1542 value from __gthread_once.
1543 Check that the value of get_eh_context was really changed.
1545 Wed Mar 11 18:26:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1547 * sh.h (LOOP_ALIGN): Only align when optimizing.
1548 * sh.c (find_barrier): Clear inc for CODE_LABELs.
1549 When not optimizing, calculate alignment for BARRIERs directly.
1551 Wed Mar 11 15:07:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1553 * final.c (shorten_branches): Remove conditionalizing on
1554 SHORTEN_WITH_ADJUST_INSN_LENGTH
1555 * sh.h, pa.h (SHORTEN_WITH_ADJUST_INSN_LENGTH): Remove.
1557 Wed Mar 11 02:37:41 1998 Jeffrey A Law (law@cygnus.com)
1559 * flow.c (find_basic_blocks_1): Keep the cfg accurate when removing
1560 an unconditional jump around deleted blocks.
1562 Mon Mar 9 12:02:23 1998 Jim Wilson <wilson@cygnus.com>
1564 * profile.c (branch_prob): If see computed goto, call fatal instead of
1567 * config/mips/sni-svr4.h (CPP_PREDEFINE): Add -DSNI and -Dsinix.
1569 * configure.in (alpha-dec-osf): Add default case for osf* to switch.
1570 Patch from Bruno Haible.
1572 * function.c (put_reg_into_stack): Copy MEM_IN_STRUCT_P from new.
1573 (assign_parms): Set aggregate if hide_last_arg and last_named.
1575 Mon Mar 9 19:57:56 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1577 * final.c (shorten_branches): Initialize insn_addresses.
1579 Mon Mar 9 14:10:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1581 * sh.h (MUST_PASS_IN_STACK): Define.
1583 Sun Mar 8 13:01:56 1998 Jeffrey A Law (law@cygnus.com)
1585 * final.c (shorten_branches): Fix minor logic error in
1586 ADDR_DIFF_VEC shortening support.
1588 Sun Mar 8 02:17:42 PST 1998 Jeff Law (law@cygnus.com)
1590 * version.c: Bump for snapshot.
1592 Sat Mar 7 00:54:15 1998 Jeffrey A Law (law@cygnus.com)
1594 * haifa-sched.c (is_cfg_nonregular): Change return type to
1595 an int. No longer compute "estimated" number of edges. Use
1596 computed_jump_p instead of duplicating the code. Fixup/add
1598 (build_control_flow): Returns a value indicating an irregularity
1599 in the cfg was detected. Count the number of edges in the cfg.
1600 allocate various edge tables.
1601 (find_rgns): No longer look for unreachable blocks.
1602 (schedule_insns): Do not allocate memory for edge tables here.
1603 Free memory for edge tables before returning. Do not perform
1604 cross block scheduling if build_control_flow returns nonzero.
1605 * flow.c (compute_preds_succs): More accurately determine when
1608 * basic-block.h (free_basic_block_vargs): Provide prototype.
1610 * cccp.c (main): Fix dumb mistakes in last change.
1612 Fri Mar 6 21:28:45 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1614 * rtl.h (addr_diff_vec_flags): New typedef.
1615 (union rtunion_def): New member rt_addr_diff_vec_flags.
1616 (ADDR_DIFF_VEC_FLAGS): New macro.
1618 * sh.c (output_branch): Fix offset overflow problems.
1620 * final.c (shorten_branches): Implement CASE_VECTOR_SHORTEN_MODE.
1621 (final_scan_insn): New argument BODY for ASM_OUTPUT_ADDR_DIFF_ELT.
1622 * rtl.def (ADDR_DIFF_VEC): Three new fields (min, max and flags).
1623 * stmt.c (expand_end_case): Supply new arguments to
1624 gen_rtx_ADDR_DIFF_VEC.
1625 * 1750a.h (ASM_OUTPUT_ADDR_DIFF_ELT): New argument BODY.
1626 * alpha.h, arc.h, clipper.h, convex.h : Likewise.
1627 * dsp16xx.h, elxsi.h, fx80.h, gmicro.h, h8300.h : Likewise.
1628 * i370.h, i386.h, i860.h, i960.h, m32r.h, m68k.h, m88k.h : Likewise.
1629 * mips.h, mn10200.h, mn10300.h, ns32k.h, pa.h, pyr.h : Likewise.
1630 * rs6000.h, sh.h, sparc.h, spur.h, tahoe.h, v850.h : Likewise.
1631 * vax.h, we32k.h, alpha/vms.h, arm/aof.h, arm/aout.h : Likewise.
1632 * i386/386bsd.h, i386/freebsd-elf.h : Likewise.
1633 * i386/freebsd.h, i386/linux.h : Likewise.
1634 * i386/netbsd.h, i386/osfrose.h, i386/ptx4-i.h, i386/sco5.h : Likewise.
1635 * i386/sysv4.h, m68k/3b1.h, m68k/dpx2.h, m68k/hp320.h : Likewise.
1636 * m68k/mot3300.h, m68k/sgs.h : Likewise.
1637 * m68k/tower-as.h, ns32k/encore.h, sparc/pbd.h : Likewise.
1638 * sh.h (INSN_ALIGN, INSN_LENGTH_ALIGNMENT): Define.
1639 (CASE_VECTOR_SHORTEN_MODE): Define.
1640 (short_cbranch_p, align_length, addr_diff_vec_adjust): Don't declare.
1641 (med_branch_p, braf_branch_p): Don't declare.
1642 (mdep_reorg_phase, barrier_align): Declare.
1643 (ADJUST_INSN_LENGTH): Remove alignment handling.
1644 * sh.c (uid_align, uid_align_max): Deleted.
1645 (max_uid_before_fixup_addr_diff_vecs, branch_offset): Deleted.
1646 (short_cbranch_p, med_branch_p, braf_branch_p, align_length): Deleted.
1647 (cache_align_p, fixup_aligns, addr_diff_vec_adjust): Deleted.
1648 (output_far_jump): Don't use braf_branch_p.
1649 (output_branchy_insn): Don't use branch_offset.
1650 (find_barrier): Remove checks for max_uid_before_fixup_addr_diff_vecs.
1651 Remove paired barrier stuff.
1652 Don't use cache_align_p.
1653 Take alignment insns into account.
1654 (fixup_addr_diff_vecs): Reduce to only fixing up the base label of
1656 (barrier_align, branch_dest): New function.
1657 (machine_dependent_reorg, split_branches): Remove infrastructure
1658 for branch shortening that is now provided in the backend.
1659 * sh.md (short_cbranch_p, med_branch_p, med_cbranch_p): New attributes.
1660 (braf_branch_p, braf_cbranch_p): Likewise.
1661 (attribute length): Use new attributes.
1662 (casesi_worker): Get mode and unsignednedd from ADDR_DIFF_VEC.
1663 (addr_diff_vec_adjust): Delete.
1664 (align_2): Now a define_expand.
1665 (align_log): Now length 0.
1667 Fri Mar 6 14:41:33 1998 Michael Meissner <meissner@cygnus.com>
1669 * m32r.md (right): Correctly check for length == 2, not 1.
1671 Fri Mar 6 14:00:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1673 * mips/mips.h: Prototype `machine_dependent_reorg'.
1674 (ASM_OUTPUT_ALIGN): Remove unused variable `mask'.
1676 Fri Mar 6 11:43:35 1998 Joern Rennecke (amylaar@cygnus.co.uk)
1678 * final.c (shorten_branches): Restore accidentally removed code.
1680 Fri Mar 6 11:00:49 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1682 * configure.in: Remove duplicate uses of AC_PROG_CC and
1685 Fri Mar 6 00:59:30 1998 Richard Henderson <rth@cygnus.com>
1687 * configure.in (target_cpu_default2): Correct typo for alphapca56.
1689 Thu Mar 5 23:24:50 1998 Jeffrey A Law (law@cygnus.com)
1690 Doug Evans (devans@cygnus.com)
1692 * haifa-sched.c (build_jmp_edges): Delete dead function.
1693 (build_control_flow): Use cfg routines from flow.c
1694 (schedule_insns): Remove debugging code accidentally checked
1697 * basic-block.h: Add external integer list structures, typdefs,
1698 accessor macros and function declarations. Simlarly for
1699 basic block pred/succ support and simple bitmap stuff.
1700 * flow.c: Add functions for integer list, basic block pred/succ
1701 support and simple bitmap support.
1702 (compute_dominators): New function to compute dominators and
1704 (find_basic_blocks): Split into two functions.
1705 (life_analysis): Likewise.
1706 (flow_analysis): Removed. Now handled by calling find_basic_blocks,
1707 the life_analysis from toplev.c
1708 * toplev.c (rest_of_compilation): Call find_basic_blocks, then
1709 life_analysis instead of flow_analysis.
1711 Thu Mar 5 23:06:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1713 * jump.c (jump_optimize): Call mark_jump_label also for deleted
1715 (mark_jump_label): Don't increment ref counts for deleted insns.
1717 Thu Mar 5 09:55:15 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1719 * mips/iris6.h (TARGET_DEFAULT): Parenthesize macro definition.
1721 * mips/mips.c: Include stdlib.h and unistd.h.
1722 (mips_asm_file_end): Add braces around empty body in an if-statement.
1723 (function_prologue): Wrap variable `fnname' in
1724 !FUNCTION_NAME_ALREADY_DECLARED. Correct format specifier in fprintf.
1725 (mips_select_rtx_section, mips_select_section): Declare as void.
1727 * mips/mips.h: Add prototypes for extern functions in mips.c.
1728 (FUNCTION_ARG_REGNO_P): Add parentheses around && within ||.
1729 (ENCODE_SECTION_INFO): Add braces around empty body in an
1732 * mips/mips.md (movdi): Add parentheses around && within ||.
1733 (movsf, movdf): Likewise.
1734 (branch_zero, branch_zero_di): Add default case in
1738 Thu Mar 5 02:45:48 1998 Richard Henderson <rth@cygnus.com>
1740 * alpha/alpha.h (TARGET_WINDOWS_NT, TARGET_OPEN_VMS): Just make them
1741 real constants, since they can't be changed.
1742 (TARGET_AS_CAN_SUBTRACT_LABELS): New.
1743 * alpha/alpha.md (builtin_setjmp_receiver): Use it.
1744 * alpha/osf.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
1745 * alpha/osf2or3.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
1746 * alpha/vms.h (TARGET_OPEN_VMS): New.
1747 * alpha/win-nt.h (TARGET_WINDOWS_NT): New.
1749 Thu Mar 5 02:41:27 1998 Richard Henderson <rth@cygnus.com>
1751 * reload.c (find_reloads): Always force (subreg (mem)) to be
1752 reloaded if WORD_REGISTER_OPERATIONS.
1754 Thu Mar 5 02:14:44 1998 Richard Henderson <rth@cygnus.com>
1756 * haifa-sched.c (free_list): Rename from free_pnd_lst.
1757 (free_pending_lists): Rename free_pnd_lst uses.
1758 (remove_dependence): Place expunged element on unused_insn_list.
1759 (alloc_INSN_LIST, alloc_EXPR_LIST): New. Change all callers of
1760 gen_rtx_*_LIST and alloc_rtx to use them.
1761 (compute_block_backward_dependences): Free the reg_last_* lists.
1763 Thu Mar 5 00:05:40 1998 Jeffrey A Law (law@cygnus.com)
1765 * cccp.c (main): Avoid undefined behavior when setting pend_includes
1768 Wed Mar 4 21:58:25 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
1770 * rs6000/linux.h: don't define DEFAULT_VTABLE_THUNKS to 1 if
1771 USE_GNULIBC_1 is defined
1772 * configure.in: add a new case powerpc-*-linux-gnulibc1 which
1773 includes the t-linux-gnulibc1 fragment
1775 Wed Mar 4 12:11:36 1998 Jim Wilson <wilson@cygnus.com>
1777 * mips.md (movdf_internal1a): Fix misplaced parenthesis in condition.
1779 Wed Mar 4 18:47:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1781 * final.c (final_scan_insn, case CODE_LABEL: Cleanup.
1783 Wed Mar 4 15:51:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1785 * final.c (shorten_branches): Tag the loop alignment onto the
1786 first label after NOTE_INSN_LOOP_BEG even if there is an
1789 Tue Mar 3 21:48:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1791 * final.c (insn_current_reference_address):
1792 Use SEQ instead of BRANCH as argument to align_fuzz, to get a
1793 proper alignment chain.
1795 * final.c (max_labelno): New static variable.
1796 (final_scan_insn): Check max_labelno before outputting an
1797 alignment for a label.
1798 (shorten_branches): Remove unused variable length_align.
1800 Tue Mar 3 14:27:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1802 * sparc.c (ultrasparc_adjust_cost): Add default case in
1805 * sparc.h: Add prototypes for extern functions defined in
1808 Tue Mar 3 10:00:11 1998 Nick Clifton <nickc@cygnus.com>
1810 * toplev.c: Only generate <name>.dbr file when dumping RTL if
1811 DEALY_SLOTS is defined.
1813 Tue Mar 3 07:36:37 1998 Manfred Hollstein <manfred@s-direktnet.de>
1815 * reorg.c (fill_eager_delay_slots): Add new argument delay_list
1816 in call to fill_slots_from_thread.
1818 Mon Mar 2 13:45:03 1998 Richard Henderson <rth@cygnus.com>
1820 * alpha/linux.h (CPP_PREDEFINES): Correct connecting whitespace
1821 to SUB_CPP_PREDEFINES. Reported by asun@saul4.u.washington.edu.
1823 Mon Mar 2 22:59:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1825 * final.c (insn_last_address, insn_current_align, uid_align):
1827 (in_align_chain, align_fuzz, align_shrink_fuzz): New functions.
1828 (insn_current_reference_address): Likewise.
1829 (shorten_branches, final_scan_insn): Implement LABEL_ALIGN,
1830 LABEL_ALIGN_AFTER_BARRIER and LOOP_ALIGN target macros.
1831 (label_to_alignment): New function.
1832 * genattrtab.c (write_test_expr): If one of LABEL_ALIGN,
1833 LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN is defined, call
1834 insn_current_reference_address instead of insn_current_address.
1835 (or_attr_value, write_length_unit_log): New functions.
1836 (main): Call write_length_unit_log.
1837 (write_const_num_delay_slots): Output extra '\n'.
1838 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE):
1840 (LOOP_ALIGN, ALIGN_LABEL_AFTER_BARRIER).
1841 * i386.h, i386/osfrose.h, i386/svr3dbx.h, m68k.h, sparc.h: Likewise.
1842 * arc.h, m32r.h (ASM_OUTPUT_LOOP_ALIGN): replace with:
1844 * i960.h, m88k.h: (ASM_OUTPUT_ALIGN_CODE): Replace with:
1845 (LABEL_ALIGN_AFTER_BARRIER).
1846 * ns32k/encore.h, ns32k/merlin.h, ns32k.h, ns32k/sequent.h: Likewise.
1847 * ns32k/tek6000.h: Likewise.
1848 * i386/gas.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Delete.
1849 * i386.md (casesi+1): Use ASM_OUTPUT_ALIGN instead of
1850 ASM_OUTPUT_ALIGN_CODE.
1852 Mon Mar 2 01:05:50 PST 1998 Jeff Law (law@cygnus.com)
1854 * version.c: Bump for snapshot.
1856 Mon Mar 2 00:52:18 PST 1998 Jeff Law (law@cygnus.com)
1858 * version.c: Bump for snapshot.
1860 Sun Mar 1 18:25:49 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
1862 * reorg.c (fill_slots_from_thread): Don't steal delay list from target
1863 if condition code of jump conflicts with opposite_needed.
1865 * reorg.c (fill_slots_from_thread): Mark resources referenced in
1866 opposite_needed thread. Return delay_list even when cannot get
1867 any more delay insns from end of subroutine.
1869 Sun Mar 1 18:26:21 1998 Ken Rose (rose@acm.org)
1871 * reorg.c (fill_slots_from_thread): New parameter, delay_list.
1872 All callers changed.
1874 Sun Mar 1 18:25:37 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1876 * frame.c (start_fde_sort, fde_split, heapsort, fde_merge,
1877 end_fde_sort): New functions for fast sorting of an FDE array.
1878 (fde_insert): Simplified.
1879 (add_fdes): Change argument list.
1880 (frame_init): Use the new functions.
1882 Sun Mar 1 18:06:21 1998 Jeffrey A Law (law@cygnus.com)
1884 * ginclude/va-ppc.h (va_arg): Fix typo in long long support.
1886 * i386.c (reg_mentioned_in_mem): Fix dangling else statement.
1888 * fold-const.c (fold_range_test): Always return a value.
1890 Sun Mar 1 17:57:34 1998 Mumit Khan <khan@xraylith.wisc.edu>
1892 * config/i386/winnt.c (i386_pe_unique_section): Put read-only
1893 data in the text section unless READONLY_DATA_SECTION is defined.
1895 Sun Mar 1 17:48:46 1998 Jeffrey A Law (law@cygnus.com)
1897 * c-parse.in (undeclared variable error): Tweak error message to
1900 Sun Mar 1 10:22:36 PST 1998 Jeff Law (law@cygnus.com)
1902 * version.c: Bump for snapshot.
1904 1998-02-28 Mark Mitchell <mmitchell@usa.net>
1906 * final.c (final_scan_insn): Undo overzealous removal of `set'.
1908 Sat Feb 28 07:54:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1910 * pa.h (CONST_COSTS): When checking the CONST_DOUBLE enumerated
1911 case, add parentheses to specify the proper order of precedence in
1915 * c-aux-info.c: Include string.h/strings.h.
1917 * pa.c: Include stdlib.h.
1918 (pa_combine_instructions): Prototype the function.
1919 (pa_can_combine_p, forward_branch_p, shadd_constant_p): Likewise.
1920 (reloc_needed): Add default case for enumeration switch.
1921 (remove_useless_addtr_insns): Remove unused variable `all'.
1922 (hppa_expand_prologue): Add explicit braces to avoid
1924 (output_function_epilogue): Remove unused variable `i'.
1925 (output_millicode_call): Remove unused variable `link'.
1926 (shadd_constant_p, forward_branch_p): Make the function static.
1927 (following_call): Explicitly declare to return int.
1928 (pa_reorg): Declare as void.
1929 (pa_combine_instructions): Declare as static void. Add
1930 parentheses around && within ||.
1932 * pa.h: Add prototypes for pa_reorg, symbolic_operand,
1933 following_call, function_label_operand, lhs_lshift_cint_operand
1936 * pa.md: Add parentheses around && within ||.
1938 * cppalloc.c: Include stdlib.h.
1940 * cpperror.c (cpp_print_containing_files): Remove unused variable
1941 `i'. Fix format specifier in fprintf.
1943 * cse.c (cse_around_loop): Add explicit braces to avoid
1945 (delete_dead_from_cse): Wrap variable `tem' in macro HAVE_cc0.
1947 * expr.c (expand_expr): Add parentheses around && within ||.
1949 * final.c (app_enable): Replace fprintf with fputs where there are
1950 no format specifiers and no trailing argument after the string.
1951 Eg, when printing ASM_APP_ON/ASM_APP_OFF.
1952 (app_disable): Likewise.
1953 (final_end_function): Likewise.
1954 (final_scan_insn): Likewise. Remove unused variable `set'.
1955 (profile_function): Wrap empty if-statement body in {} brackets.
1957 * function.c: Include stdlib.h.
1958 (pad_below): Wrap prototype and definition in ARGS_GROW_DOWNWARD.
1959 (reposition_prologue_and_epilogue_notes): Add parentheses
1960 around assignment used as truth value.
1962 * integrate.c (expand_inline_function): Wrap variable
1963 `cc0_insn' in macro HAVE_cc0.
1965 * jump.c (jump_optimize): Wrap variable `q' in macro
1966 HAVE_cc0. Remove unused variable `prev1'.
1968 * libgcc2.c (__bb_exit_trace_func): Add parentheses around &&
1969 within ||. Fix format specifier in fprintf.
1970 (__bb_init_prg): Add parentheses around assignment used as
1973 * local-alloc.c: Include stdlib.h.
1974 (requires_inout): Add parentheses around assignment used
1977 * loop.c (analyze_loop_iterations): Wrap prototype and definition
1978 in macro HAVE_decrement_and_branch_on_count.
1979 (insert_bct, instrument_loop_bct): Likewise.
1980 (move_movables): Add parentheses around assignment used as
1982 (consec_sets_invariant_p): Likewise.
1983 (maybe_eliminate_biv_1): Wrap variable `new' in macro HAVE_cc0.
1985 * objc/objc-act.c: Include stdlib.h.
1986 (lookup_method_in_protocol_list): Wrap empty else-statement body
1988 (lookup_protocol_in_reflist): Likewise.
1989 (objc_add_static_instance): Remove unused variables `decl_expr'
1991 (get_objc_string_decl): Remove unused variable `decl'.
1992 (generate_static_references): Remove unused variables `idecl' and
1994 (check_protocols): Wrap empty else-statement body in braces.
1996 * protoize.c: Include stdlib.h.
1997 (substr): Add parentheses around assignment used as truth value.
1998 (abspath): Likewise.
1999 (shortpath): Likewise.
2001 * regmove.c (fixup_match_1): Add parentheses around assignment
2002 used as truth value.
2004 * reload.c (push_secondary_reload): Remove unused variable `i'.
2005 (find_reloads): Add parentheses around assignment used as truth
2008 * reload1.c: Include stdlib.h.
2010 * rtl.h: Correct typo in prototype of offsettable_memref_p.
2012 * stmt.c (add_case_node): Add parentheses around assignment used
2014 (case_tree2list): Likewise.
2016 * tree.c (valid_machine_attribute): Wrap variable `decl_attr_list'
2017 in macro VALID_MACHINE_DECL_ATTRIBUTE. Wrap variable
2018 `type_attr_list' in macro VALID_MACHINE_TYPE_ATTRIBUTE.
2019 (merge_attributes): Add explicit braces to avoid ambiguous
2022 * unroll.c (copy_loop_body): Wrap variable `cc0_insn' in
2025 * varasm.c: Include stdlib.h.
2028 * system.h: Remove sys/stat.h.
2029 * gcc.c: Add sys/stat.h.
2031 * genattr.c: Wrap prototype of `free' in NEED_DECLARATION_FREE.
2032 * genattrtab.c: Likewise.
2033 * genconfig.c: Likewise.
2034 * genemit.c: Likewise.
2035 * genextract.c: Likewise.
2036 * genflags.c: Likewise.
2037 * genopinit.c: Likewise.
2038 * genoutput.c: Likewise.
2039 * genpeep.c: Likewise.
2040 * genrecog.c: Likewise.
2041 * tlink.c: Likewise. Also wrap `getenv' in NEED_DECLARATION_GETENV.
2043 Fri Feb 27 11:02:47 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2045 * invoke.texi: Use @itemx for a secondary item in a @table.
2047 * config/m68k/m68k.md (movsf+1): Optimize moving a CONST_DOUBLE
2050 Thu Feb 26 00:13:21 1998 Ian Lance Taylor <ian@cygnus.com>
2052 * choose-temp.c: Fix handling of sys/file.h to work in libiberty.
2054 Wed Feb 25 23:40:54 1998 Jeffrey A Law (law@cygnus.com)
2056 * i386.c (struct machine_function): Add new fields for PIC stuff.
2057 (save_386_machine_status): Fix argument to xmalloc. Save pic_label_rtx
2059 (restore_386_machine_status): Corresponding changes.
2060 (clear_386_stack_locals): Also clear pic_label_rtx and pic_label_name.
2062 Wed Feb 25 01:31:40 1998 Jeffrey A Law (law@cygnus.com)
2064 * c-parse.y (undeclared variable error): Tweak error message
2067 Tue Feb 24 23:54:07 1998 Richard Henderson <rth@cygnus.com>
2069 * flags.h (g_switch_value, g_switch_set): Declare.
2070 * alpha.c (override_options): Set g_switch_value=8 if not set.
2071 * alpha/elf.h (CC1_SPEC): New.
2073 (LINK_SPEC): Pass along the -G value we were given.
2074 (LOCAL_ASM_OP): Remove.
2075 (ASM_OUTPUT_ALIGNED_LOCAL): Output to .bss or .sbss by size.
2076 (MAX_OFILE_ALIGNMENT): New.
2077 (BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP): New.
2078 (EXTRA_SECTIONS): Add sbss and sdata.
2079 (SECTION_FUNCTION_TEMPLATE): New.
2080 (EXTRA_SECTION_FUNCTIONS): Use it.
2081 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
2082 (SELECT_SECTION): Use sdata when small enough.
2083 * alpha/linux.h (ASM_SPEC): Remove.
2086 Mon Feb 23 15:09:18 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2087 * config.sub (sco5): Fix typo.
2089 Mon Feb 23 18:19:31 1998 Manfred Hollstein <manfred@s-direktnet.de>
2091 * config/t-linux (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Add macros and
2093 * config/t-linux-aout (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Likewise.
2094 * config/alpha/t-linux: Remove file.
2095 * config/sparc/t-linux: Remove file.
2096 * config/m68k/t-linux (LIBGCC1, CROSS_LIBGCC1): Remove.
2097 * config/m68k/t-linux-aout (LIBGCC1, CROSS_LIBGCC1): Likewise.
2098 * configure.in (alpha*-*-linux-gnulibc1*): Use t-linux instead of alpha/t-linux
2100 (alpha*-*-linux-gnu*): Likewise.
2101 (sparc-*-linux-gnulibc1*): Use t-linux instead of sparc/t-linux for tmake_file.
2102 (sparc-*-linux-gnu*): Likewise.
2104 Mon Feb 23 10:47:39 1998 Robert Lipe <robertl@dgii.com>
2105 * collect2.c (ldd_file_name): Bracket declaration with same
2107 (full_real_ld_suffix): Deleted. Variable was calloced and
2108 written into, but never read.
2110 1998-02-23 Mike Stump <mrs@wrs.com>
2112 * configure.in: Add support for i386-wrs-vxworks configuration.
2113 * i386/vxi386.h: New file.
2115 Sun Feb 22 21:16:51 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2117 * tree.c (contains_placeholder_p): Ensure function always returns
2119 * sparc.md (movdi_sp64_insn): Add default case in enumeration switch.
2120 (movsf_const_insn, movdf_const_insn, movtf_const_insn): Likewise.
2122 Sun Feb 22 20:58:19 1998 Jeffrey A Law (law@cygnus.com)
2124 * vms.h (SELECT_SECTION): Use TREE_CODE_CLASS correctly.
2126 1998-02-22 Paul Eggert <eggert@twinsun.com>
2128 * config/sparc/sol2-sld.h (LINKER_DOES_NOT_WORK_WITH_DWARF2):
2129 Define this new symbol.
2130 (DWARF2_DEBUGGING_INFO, DWARF_DEBUGGING_INFO): Do not #undef.
2131 * toplev.c (main): Do not default to DWARF2_DEBUG with -ggdb if
2132 LINKER_DOES_NOT_WORK_WITH_DWARF2 is defined.
2134 Sun Feb 22 20:07:32 1998 Jim Wilson <wilson@cygnus.com>
2136 * iris5.h (DWARF2_UNWIND_INFO): Define to 0.
2137 * iris5gas.h (DWARF2_UNWIND_INFO): Define to 1.
2139 Sun Feb 22 15:29:48 1998 Richard Henderson <rth@cygnus.com>
2141 * objc/Object.m (-error): Call objc_verror with our va_list.
2143 Sun Feb 22 09:45:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2145 * collect2.c (scan_prog_file): Completely cover uses of variable
2146 `exports' with macro COLLECT_EXPORT_LIST.
2148 Sat Feb 21 20:36:23 1998 Jeff Law (law@cygnus.com)
2150 * version.c: Bump for snapshot.
2152 Fri Feb 20 16:22:13 1998 Michael Meissner <meissner@cygnus.com>
2154 * sched.c (schedule_block): Remove code to get arguments from hard
2155 regs into pseudos early. Same as Aug 25, 1997 change to
2158 1998-02-20 Jason Merrill <jason@yorick.cygnus.com>
2160 * collect2.c (main): Still handle !do_collecting for non-AIX targets.
2162 1998-02-16 Mark Mitchell <mmitchell@usa.net>
2164 * toplev.c (rest_of_compilation): Do not defer the output of a
2167 Fri Feb 20 10:39:47 1998 Michael Tiemann <michael@impact.tiemann.org>
2169 * ginclude/va-mips.h (va_arg): Remove trailing space after '\'
2170 continuation character (line 243).
2172 Fri Feb 20 12:10:26 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2174 * genrecog.c (main): Remove duplicated sentence in emitted comment.
2176 Thu Feb 19 22:36:53 1998 Andrey Slepuhin <pooh@msu.net>
2177 David Edelsohn <edelsohn@mhpcc.edu>
2179 * collect2.c (XCOFF_SCAN_LIBS): Remove.
2180 (export_flag): New variable.
2181 (export_file): #ifdef COLLECT_EXPORT_LIST.
2182 (import_file, exports, imports, undefined): New variables.
2183 (libs, cmdline_lib_dirs, libpath_lib_dirs, libpath, libexts): Same.
2184 (dump_list, dump_prefix_list, is_in_list): New functions.
2185 (write_export_file): $ifdef COLLECT_EXPORT_LIST.
2186 (write_import_file, resolve_lib_name): New functions.
2187 (use_import_list, ignore_library): Same.
2188 (collect_exit): maybe_unlink import_file and #ifdef.
2190 (main): New variable importf, #ifdef exportf. Move parsing of
2191 -shared before general argument parsing. Resolve AIX library
2192 paths and import libgcc.a symbols. Treat .so shared libraries the
2193 same as objects and .a libraries. Create alias for object_lst and
2194 increment it instead of original pointer. Scan AIX libraries as
2195 objects earlier instead of using scan_libraries. Perform AIX
2196 tlink later to resolve templates instead of forking ld.
2197 (GCC_OK_SYMBOL): Ensure symbol not in undef section.
2198 (GCC_UNDEF_SYMBOL): New macro.
2199 (scan_prog_file): Loop for members of AIX libraries. Handle
2200 export/import of ctors/dtors.
2201 (aix_std_libs): New variable.
2202 (scan_libraries, XCOFF): Delete.
2204 Thu Feb 19 22:36:52 1998 Robert Lipe <robertl@dgii.com>
2206 * collect2.c (full_real_ld_suffix): #ifdef CROSS_COMPILE.
2208 1998-02-19 Mike Stump <mrs@wrs.com>
2210 * Makefile.in: Use $tooldir for sys-include to match toplevel
2213 Thu Feb 19 01:32:37 1998 Jeffrey A Law (law@cygnus.com)
2214 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2216 * emit-rtl.c (gen_lowpart_common): Suppress last change if __complex__.
2218 * emit-rtl.c (hard-reg-set.h): Include.
2219 (get_lowpart_common): Don't make new REG for hard reg in a
2220 class that cannot change size.
2221 * Makefile.in (emit-rtl.o): Depend on hard-reg-set.h.
2223 * combine.c: Revert previous patch.
2225 1998-02-19 Paul Eggert <eggert@twinsun.com>
2227 * config/sparc/sol2-sld.h: New file.
2228 * configure.in (sparc-*-solaris2*): Use it when using the
2231 Thu Feb 19 00:46:59 1998 Jeffrey A Law (law@cygnus.com)
2233 * loop.c (force_movables): Fix typo.
2235 Thu Feb 19 08:26:30 1998 Manfred Hollstein <manfred@s-direktnet.de>
2237 * m88k.h: Change file pattern to match reality.
2239 Wed Feb 18 23:19:52 1998 Jeffrey A Law (law@cygnus.com)
2241 * varasm.c (output_constant_pool): Fix dumb thinko in last
2244 * pa.h (ASM_OUTPUT_FUNCTION_PREFIX): Correctly translate from
2245 a function name to a section name.
2247 1998-02-18 Doug Evans <devans@cygnus.com>
2249 * tree.h (merge_machine_{type,decl}_attributes): Declare.
2250 (split_specs_attrs, strip_attrs): Add prototypes.
2251 * tree.c (merge_machine_{type,decl}_attributes): New functions.
2252 * c-decl.c (duplicate_decls): Call merge_machine_decl_attributes.
2253 Update olddecl's attributes too.
2254 * c-common.c (strip_attrs): New function.
2255 * c-typeck.c (common_type): Call merge_machine_type_attributes.
2256 * varasm.c (make_function_rtl): New target macro REDO_SECTION_INFO_P.
2257 (make_decl_rtl): Likewise.
2259 1998-02-18 Jim Wilson <wilson@cygnus.com>
2261 * c-decl.c (shadow_tag_warned): Call split_specs_attrs.
2263 Wed Feb 18 09:09:50 1998 Jeffrey A Law (law@cygnus.com)
2265 Remove this change until we can fix it correctly.
2266 * collect2.c: Bracket declaration of 'exportf' and
2267 'full_real_ld_suffix'.
2269 Wed Feb 18 08:44:25 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
2271 * Makefile.in (STAGESTUFF): Add genrtl.c, genrtl.h and gengenrtl.
2273 Tue Feb 17 23:30:20 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
2275 * c-common.c (c_expand_start_cond, c_expand_end_cond,
2276 c_expand_start_else): Don't warn about non-ambiguous else even if
2279 Tue Feb 17 23:56:50 1998 Robert Lipe <robertl@dgii.com>
2281 * sco5.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT,
2282 ASM_OUTPUT_LONG_DOUBLE): Delete. Use the ones from i386.h
2285 Tue Feb 17 22:56:14 1998 Richard Henderson <rth@cygnus.com>
2287 * combine.c (simplify_rtx): Obey CLASS_CANNOT_CHANGE_SIZE when
2288 simplifying a subreg of a hard reg.
2289 (expand_compound_operation): Likewise.
2290 (force_to_mode): Likewise.
2292 Tue Feb 17 22:37:22 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2294 * fold-const.c: Include "system.h" to get stdlib.h and stdio.h.
2295 (lshift_double): Add parentheses around + or - inside shift.
2296 (rshift_double): Likewise.
2297 (size_int_wide): Explicitly set type of `bit_p' to `int'.
2299 * Makefile.in (fold-const.o): Depend on system.h.
2301 * Makefile.in (gcc.o): Depend on system.h, in accordance with last
2304 * haifa-sched.c: Include "system.h" to get <stdlib.h> and <stdio.h>.
2305 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
2306 (sched_note_set): Remove unused parameter `b', all callers changed.
2307 (schedule_block): Likewise for `rgn'.
2308 (split_hard_reg_notes): Likewise for `orig_insn'.
2309 (check_live): Likewise for `trg'.
2310 (update_live): Likewise.
2311 (check_live_1): Explcitly declare variable `i' as int.
2312 (update_live_1): Likewise.
2313 (insn_issue_delay): Remove unused variable `link'.
2314 (sched_analyze_2): Add default case in enumeration switch.
2315 (schedule_insns): Remove unused variable `i'.
2317 * Makefile.in ($(SCHED_PREFIX)sched.o): Depend on system.h.
2319 Tue Feb 17 22:31:04 1998 Jeffrey A Law (law@cygnus.com)
2321 * loop.c (rtx_equal_for_loop_p): Add some braces to disambiguate
2322 a dangling else clause.
2324 Tue Feb 17 21:28:12 1998 Gavin Koch <gavin@cygnus.com>
2326 * mips/mips.h (CAN_ELIMINATE): Don't eliminate the frame
2327 pointer for the stack pointer in MIPS16 and 64BIT.
2329 Tue Feb 17 21:17:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2331 * rtl.h (force_line_numbers, restore_line_number_status): Declare.
2332 * emit-rtl.c (force_line_numbers, restore_line_number_status):
2334 * stmt.c (struct nesting): Replace seenlabel with line_number_status.
2335 (expand_start_case): Adjust to this change.
2336 (check_seenlabel): New function.
2337 (pushcase, pushcase_range, expand_endcase): Use it.
2339 Tue Feb 17 10:14:32 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2341 * i386.md (adddi3): Add =!r,0,0,X alternative.
2343 Mon Feb 16 16:13:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
2345 * rs6000.h (MY_ISCOFF): Add numeric value of U803XTOCMAGIC.
2346 * x-aix31 (INSTALL): Delete.
2348 Mon Feb 16 09:24:32 1998 Gavin Koch <gavin@cygnus.com>
2350 * mips/mips.c (mips_expand_epilogue): Update tsize_rtx if
2351 tsize changes to something other than zero.
2353 Mon Feb 16 09:11:48 1998 Gavin Koch <gavin@cygnus.com>
2355 * ginclude/va-mips.h: Replace casts of pointers to int with
2356 casts of pointers to __PTRDIFF_TYPE__.
2358 Mon Feb 16 08:17:14 1998 John Carr <jfc@mit.edu>
2360 * loop.c (strength_reduce, record_biv, record_giv): Use
2361 HOST_WIDE_INT_PRINT_DEC to print CONST_INT values.
2363 1998-02-16 Jason Merrill <jason@yorick.cygnus.com>
2365 * tree.c (first_rtl_op): New fn.
2366 (unsave_expr_now): Use it.
2367 * print-tree.c (print_node): Likewise.
2368 * tree.c (has_cleanups): New fn.
2369 * fold-const.c (fold, case CLEANUP_POINT_EXPR): Use it. Be more
2370 conservative about pushing the cleanup point down.
2371 * tree.h: Declare them.
2373 Sun Feb 15 23:28:44 1998 Jeffrey A Law (law@cygnus.com)
2375 * toplev.c (flag_schedule_reverse_before_reload): Delete variable.
2376 (flag_schedule_reverse_after_reload): Likewise.
2377 (f_options): Remove reverse scheduling support.
2378 * flags.h (flag_schedule_reverse_before_reload): Delete declaration.
2379 (flag_schedule_reverse_after_reload): Likewise.
2380 * haifa-sched.c (rank_for_schedule): Remove support for reverse
2383 Sun Feb 15 21:33:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2385 * gcc.c: Get system includes, prototypes and macros via "system.h"
2386 instead of doing it manually. Change all calls of the ctype
2387 macros to custom versions defined in "system.h".
2389 * system.h: Fix return type of bcmp prototype from `void' to `int'.
2390 Make bcopy, bcmp and bzero prototypes explicitly `extern'.
2391 Add a prototype for getenv.
2393 Sun Feb 15 17:05:41 1998 Jim Wilson <wilson@cygnus.com>
2395 * mips/mips.h (INITIAL_ELIMINATION_OFFSET): Readd Jun 6 change.
2397 Sun Feb 15 15:23:15 1998 John Carr <jfc@mit.edu>
2399 * alias.c: Include <stdlib.h> and <string.h>.
2400 (init_alias_analysis): Pass NULL_RTX instead of 0 to record_set.
2402 Sat Feb 14 11:23:09 PST 1998 Jeff Law (law@cygnus.com)
2404 * version.c: Bump for snapshot.
2406 Sat Feb 14 05:08:21 1998 Richard Earnshaw (rearnsha@arm.com)
2408 * arm.md (movsfcc): Also validate operands[3] when compiling hard
2410 (movdfcc): Only accept fpu_add_operand for operands[3].
2412 * arm/t-semi (STMP_FIXPROTO): Define to nothing.
2413 * arm/t-semiaof (STMP_FIXPROTO): Likewise.
2415 Sat Feb 14 02:02:41 1998 Jeffrey A Law (law@cygnus.com)
2417 * varasm.c (output_constant_pool): Bring back 'done' label inside
2418 an appropriate #ifdef.
2420 * bitmap.c (bitmap_element_allocate): Wrap variable 'i' in an
2422 (bitmap_copy, bitmap_operation): Likewise.
2423 * combine.c (combinable_i3pat): Similarly for 'src'.
2424 * function.c (fixup_var_refs_1): Similarly for 'outerdest'.
2425 (locate_and_pad_parm): Similarly for 'reg_parm_stack_space'.
2426 * regclass.c (copy_cost): Similarly for 'secondary_class'.
2427 * reload.c (make_memloc): Simliarly for 'i'.
2428 (find_reloads_address_1): Similarly for 'link'.
2429 * reload1.c (reload): Similarly for 'previous_frame_pointer_needed'.
2430 (emit_reload_insns): Similarly for 'second_reloadreg'.
2431 * unroll.c (iteration_info): Similarly for 'v'.
2433 * caller-save.c (insert_save_restore): Remove unused variable 'i'.
2434 * calls.c (expand_call): Similarly for 'i'.
2435 (emit_library_call, emit_library_call_value): Similarly for 'mode'.
2436 * fold-const.c (strip_compund_expr): Similarly for 'type'.
2437 * function.c (fixup_var_refs_1): Similarly for 'width'.
2438 (fixup_memory_subreg): Similarly for 'saved'.
2439 (locate_and_pad_parm): Similarly for 'boundary_in_bytes.'
2440 (setjmp_protect): Similarly for 'sub'.
2441 (thread_prologue_and_epilogue_insns): Similarly for 'insn'.
2442 * loop.c (record_giv): Similarly for 'p'.
2443 (combine_givs): Similarly for 'temp_iv'.
2444 (indirect_jump_in_function_p): Similarly for 'is_indirect_jump'.
2445 * recog.c (validate_replace_rtx_1): Similarly for 'width'.
2446 * tree.c (get_set_constructor_bytes): Similarly for 'vals'.
2447 * unroll.c (unroll_loop): Similarly for 'copy'.
2448 (iteration_info): Similarly for 'b'.
2449 * varasm.c (assemble_string): Similarly for 'i'.
2450 * i386.h (LEGITIMIZE_ADDRESS): Similarly for 'orig_x'.
2452 1998-02-13 Martin von Loewis <loewis@informatik.hu-berlin.de>
2454 * c-lang.c (lang_print_xnode): New function.
2455 * objc/objc-act.c (lang_print_xnode): Likewise.
2456 * print-tree.c (print_node): Call it
2458 Fri Feb 13 14:38:34 1998 Jim Wilson <wilson@cygnus.com>
2460 * dwarf2out.c (decl_scope_node): New type.
2461 (decl_scope_table): Change type to use it.
2462 (decl_scope_table_allocated, decl_scope_depth): Change type to int.
2463 (push_decl_scope): Use new type. New locals containing_scope, i.
2464 Add code to handle setting previous field.
2465 (scope_die_for): Change type of local i to int. Add code to use
2467 (dwarf2out_init): Use new type.
2469 1998-02-13 Jason Merrill <jason@yorick.cygnus.com>
2471 * except.c (emit_throw): Lose throw_used.
2473 Fri Feb 13 20:36:05 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2475 * sched.c (update_flow_info, REG_WAS_0): Ignore if setting insn
2477 * haifa-sched.c (update_flow_info, REG_WAS_0): Likewise.
2479 Fri Feb 13 12:18:40 1998 Jeffrey A Law (law@cygnus.com)
2481 * genextract.c (main): Fix typo.
2483 Fri Feb 13 08:41:49 1998 Robert Lipe <robertl@dgii.com>
2485 * c-lang.c (finish_file): Bracket declaration of static_ctors,
2488 * calls.c (expand_call): Bracket declaration of 'rtx_before_call',
2489 'old_stack_arg_under_construction'
2490 (emit_library_call): Bracket declaration of 'upper_bound',
2491 'lower_bound', 'i', 'reg_parm_stack_space'
2492 (emit_library_call_value): Likewise.
2495 * collect2.c: include <unistd.h> when appropriate.
2496 Bracket declaration of 'exportf' and 'full_real_ld_suffix'.
2498 * emit-rtl.c (prev_cc0_setter): Remove unused variable 'link'.
2500 * explow.c (plus_constant_for_output_wide): Remove unused variable
2502 (memory_address): Remove unused variable 'orig_x'.
2504 * genattrtab.c (make_canonical): Remove unreferenced label 'cond:'.
2505 (write_const_num_delay_slots): Remove unused variable 'i'.
2507 * genopinit.c (main): Remove unused variables 'dummy', 'insn_ptr'.
2508 (gen_insn): Remove unused variable 'obstack_ptr'.
2510 * libgcc2.c (__bb_exit_func): Remove unused variables 'ret',
2512 (__bb_exit_trace_func): Remove unused variable 'e'.
2514 * optabs.c (expand_binop): remove unused variables 'lhs', 'rhs',
2516 (expand_unop): Remove unused variable 'funexp'.
2517 (expand_complex_abs): Remove unused variable 'funexp'.
2518 (init_optabs): Bracket declaration of 'j'.
2519 (init_complex_libfuncs): Deleted. Dead static function.
2521 * profile.c (branch_prob): Remove unused variables 'insn', 'dest'.
2523 * reg-stack.c: Fix typo in proto for 'get_asm_operand_lengths'
2524 (reg_to_stack): 'initialized', 'before_function_beg'
2525 explictly type as ints instead of defaulting.
2526 (emit_swap_insn): Remove unused variable 'i2'.
2527 (compare_for_stack_reg): Remove unused variable 'src_note'.
2529 * rtlanal.c (computed_jump_p): Remove unused variable 'computed_jump'.
2531 * sched.c (actual_hazard): Bracket declaration of 'this_cost'.
2533 * stmt.c (add_case_node): Add parens for assignment used as truth.
2534 (all_cases_count): Remove unused variable 'count_high'.
2535 (mark_seen_cases): Remove unused variable 'i'.
2536 (check_for_full_enumeration_handling): Remove unused variable 't'.
2537 Bracket declaration of 'all_values', 'l'.
2539 * tlink.c: Include <stdlib.h>, <unistd.h>, <string.h>/<strings.h>.
2541 * varasm.c (assemble_string): Remove unused variable 'i'.
2542 (immed_double_const): Remove unused variable 'in_current_obstack'.
2543 (immed_real_const_1): Likewise.
2544 (output_constant_pool): Remove unreferenced label 'done'.
2545 (output_constant): Remove unused variable 'x'.
2547 * i386/i386.h (ENCODE_SECTION_INFO): TREE_PUBLIC is an int, not
2550 * i386/sco5.h (ASM_OUTPUT_ASCII): Add parens for assignment used
2553 Fri Feb 13 10:21:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2555 * combine.c (can_combine_p): Handle USEs in PARALLELs.
2557 Fri Feb 13 01:34:14 1998 H.J. Lu (hjl@gnu.org)
2559 * config/linux.h (LIB_SPEC): Add -lc for -shared if
2560 USE_GNULIBC_1 is not defined.
2561 * config/sparc/linux.h; Ditto.
2563 * config/sparc/linux64.h (LIB_SPEC): Add -lc for -shared.
2565 * config/alpha/linux-elf.h (LIB_SPEC): New. Defined if
2566 USE_GNULIBC_1 is not defined.
2568 Fri Feb 13 01:29:29 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
2570 * rs6000/sysv4.h (ENDFILE_SPEC): add missing %(endfile_linux)
2573 Fri Feb 13 01:23:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2575 * system.h: New file to get common systems includes and various
2576 definitions and declarations based on autoconf macros.
2578 Fri Feb 13 00:46:19 1998 Jeffrey A Law (law@cygnus.com)
2580 * cccp.c (new_include_prefix): Correctly handle -I./.
2582 Thu Feb 12 20:16:35 1998 Michael Meissner <meissner@cygnus.com>
2584 * rs6000.md: Replace gen_rtx (CONST_INT,...) with GEN_INT.
2586 Thu Feb 12 16:45:17 1998 Robert Lipe <robertl@dgii.com>
2588 * expr.c (expand_assignment): Correct typo exposed by -Wall.
2589 offset should have been a truth value, not an assignment.
2591 Thu Feb 12 15:26:50 1998 Jeffrey A Law (law@cygnus.com)
2593 * cse.c (delete_dead_from_cse): If a libcall produces a constant
2594 result and that result can be substituted into SET_SRC of the
2595 insn with the REG_RETVAL note, then perform the substitution
2596 and delete the libcall.
2598 Thu Feb 12 14:04:09 1998 Gavin Koch <gavin@cygnus.com>
2600 * mips.md (trucndihi2,truncdiqi2): Change these to support
2603 Thu Feb 12 11:34:55 1998 Gavin Koch <gavin@cygnus.com>
2605 * mips/mips.c (movdi_operand): Direct referances to symbols
2606 that arn't mips16 consts in mips16 mode arn't valid operands.
2608 * mips/mips.c (mips_move_2words): Add gprel handling.
2610 Thu Feb 12 11:18:37 1998 Gavin Koch <gavin@cygnus.com>
2612 * mips.md (extendsidi2): Allow extension to/from a non-mips16
2615 Thu Feb 12 00:04:16 1998 Marc Lehmann <pcg@goof.com>
2617 * i386.c: Conditionally include <stdlib.h>, <string.h>, and
2620 Wed Feb 11 11:43:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2622 * Makefile.in (WARN_CFLAGS): New variable.
2623 (bootstrap, bootstrap2, bootstrap3, bootstrap4): Use it.
2625 1998-02-11 Mark Mitchell <mmitchell@usa.net>
2627 * config/i386/i386.c (reg_mentioned_in_mem): Don't abort when
2628 falling through default case in switch.
2629 (i386_aligned_p): Likewise.
2631 Wed Feb 11 12:59:56 1998 Lee Iverson <leei@Canada.AI.SRI.COM>
2633 * mips/mips.h (mips_abi_string): Correct typo in comment.
2635 Wed Feb 11 08:29:56 1998 Gavin Koch <gavin@cygnus.com>
2637 * mips/mips.md (movdi): These PLUS's need to be Pmode.
2639 Wed Feb 11 01:47:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2641 * Makefile.in (dwarf2out.o, emit-rtl.o, jump.o, cse.o, unroll.o,
2642 reorg.o, regmove.o): Depend on insn-codes.h, it gets included
2643 indirectly via expr.h.
2645 Wed Feb 11 01:44:13 1998 Richard Henderson <rth@cygnus.com>
2647 * stor-layout.c (layout_type): Do upper - lower in the native type,
2648 so as to properly handle negative indices.
2650 Wed Feb 11 01:35:55 1998 Robert Lipe <robertl@dgii.com>
2652 * except.c (start_dynamic_cleanup): Remove unused variable 'dhc'.
2653 (expand_eh_region_start_tree): Remove unused variable 'note'.
2654 (exception_optimize): Remove unused variable 'regions'.
2655 (expand_builtin_eh_stub): Remove unused variable 'temp'.
2656 (copy_eh_entry): Deleted. Dead function.
2658 * expr.c (move_block_to_reg) Bracket declaration of 'pat' and
2659 'last' with same #if HAVE_load_multiple as use of it.
2660 (move_block_from_reg): Likewise.
2661 (emit_move_insn_1): Remove unused variable 'insns'.
2662 (store_constructor): Bracket declaration of startb, endb with
2663 #if TARGET_MEMFUNCTIONS. Remove unused variables 'set_word_size'
2664 'target', and 'xtarget'.
2665 (expand_builtin_setjmp): Remove unused variables 'op0',
2666 'next_arg_reg', 'old_inhibit_defer_pop'.
2667 (expand_builtin): Remove unused variable 'offset'.
2668 (do_store_flag): Remove unused variables 'pattern', 'jump_pat'.
2669 (emit_queue): Add parens for assignment used as conditional.
2670 (expand_expr): case TARGET_EXPR: Remove unused variable 'temp'.
2672 Wed Feb 11 01:30:49 1998 Marc Lehmann <pcg@goof.com>
2674 * i386.c: Added include for recog.h.
2675 (override_options): Removed unused variable p. Initialized regno to
2677 (order_regs_for_local_alloc): Initialized regno to avoid warning.
2678 (legitimize_address): Likewise for 'other'.
2679 (i386_aligned_reg_p): Added default case with abort ().
2680 (print_operand): Likewise.
2681 (reg_mentioned_in_mem): Likewise.
2682 (ix86_expand_binary_operator): Removed unused variables i & insn.
2683 (ix86_expand_unary_operator): Removed unused variable insn.
2684 (output_fp_cc0_set): Removed unused variable unordered_label.
2686 Wed Feb 11 01:23:03 1998 John F. Carr <jfc@mit.edu>
2688 * i386.c, i386.h, i386.md: Change gen_rtx (X, ...) to gen_rtx_X (...).
2689 Use GEN_INT instead of gen_rtx (CONST_INT). Make printf arguments
2690 and format string match.
2692 Wed Feb 11 01:17:39 1998 Jeffrey A Law (law@cygnus.com)
2694 * flow.c (life_analysis): Do not conside the stack pointer live at
2695 the end of a function if the fucntio ncalls alloca.
2696 (mark_used_regs): Similarly.
2698 1998-02-10 John F Carr <jfc@mit.edu>
2700 * config/sparc/sparc.md (movdi_v8plus): Output stx on alternative
2701 1, fzero on alternative 8.
2703 Tue Feb 10 09:02:19 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2705 * rs6000.c (setup_incoming_varargs): Always set rs6000_sysv_varargs_p.
2707 Tue Feb 10 03:35:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2709 * reload.c (find_reloads_toplev): Handle arbitrary non-paradoxical
2710 SUBREGs of CONST_INTs.
2712 Mon Feb 9 17:52:36 1998 John Carr <jfc@mit.edu>
2714 * mips.c (print_operand, function_prologue): Make printf format
2715 match argument type.
2717 Mon Feb 9 02:37:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2719 * alpha.c (alpha_return_addr): Remove unused variable `first'.
2720 (alpha_ra_ever_killed): Remove unused variables `ra' and `i'.
2721 (output_epilog): Remove unused variable `frame_size_from_reg_save'.
2723 Sun Feb 8 14:56:03 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2725 * loop.c (strength_reduce): When placing increment for auto-inc
2726 case, do comparison in loop order.
2728 Sun Feb 8 13:21:38 1998 John Carr <jfc@mit.edu>
2730 * bitmap.c (bitmap_debug_file): HOST_PTR_PRINTF converts a pointer,
2731 not a HOST_WIDE_INT.
2733 * calls.c (expand_call): Change test of expand_inline_function
2734 return value to stop compiler warning.
2736 * genattrtab.c (RTL_HASH): Cast pointer to long, not HOST_WIDE_INT.
2738 Sun Feb 8 12:04:24 1998 Jim Wilson (wilson@cygnus.com)
2739 Jeff Law (law@cygnus.com)
2741 * regmove.c: Fix various minor formatting problems.
2742 (optimize_reg_copy_1): Stop search at CALL_INSNs if flag_exceptions
2743 is true. Make end of basic block tests consistent through regmove.c.
2744 (optimize_reg_copy_2, optimize_reg_copy_3): Likewise.
2745 (fixup_match_2, fixup_match_1, regmove_optimize): Likewise.
2747 Sun Feb 8 01:49:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2749 * gansidecl.h: Check for a conflicting macro definition before
2750 attempting to prototype bcopy, bcmp or bzero.
2752 Sun Feb 8 00:09:59 1998 Jeffrey A Law (law@cygnus.com)
2754 * expr.c (clear_pending_stack_adjust): Handle case where a function
2755 calls alloca, but the user has specified -fomit-fframe-pointer.
2757 * function.c (assign_parms): Fix typo in last change.
2759 Sat Feb 7 23:54:29 1998 Robert Lipe <robertl@dgii.com>
2761 * gcc.c: Include <strings.h>/<string.h>, <stdlib.h>, <unistd.h>,
2763 (free_path_suffix): Remove unreferenced static function.
2764 (process_command): Remove unused variable temp.
2765 (default_arg): Remove unused variable i.
2766 (do_spec_1): Add parens for assignment used as truth value.
2768 (validate_all_switches): Likewise.
2769 (main): Remove unused variables i, first_time>
2771 * c-common.c: Include <stdlib.h> and <string.h>/<strings.h>.
2773 * calls.c (expand_call): Remove unused variables funtree,
2774 n_regs, and tmpmode.
2776 * dbxout.c, except.c: Include <string.h>/<strings.h>.
2778 * explow.c: (plus_constant_for_output_wide) Removed unused
2779 variable all_constant.
2781 * c-decl.c, genattr.c, genattrtab.c, getconfig.c, genemit.c
2782 genextract.c, genflags.c, genopinit.c genoutput.c, genpeep.c,
2783 genrecog.c, global.c, integrate.c , stupid.c : Include
2786 * genextract.c: (walk_rtx) Remove unused variable link.
2788 * genrecog.c: (concat) Remove unreferenced static function.
2790 * prefix.c: Include <string.h>/<strings.h>, <stdlib.h>
2792 * stmt.c: Include <stdlib.h>.
2793 (expand_asm_operands): Remove unused variable val1.
2794 (expand_return): Remove unused variable block.
2795 (pushcase): Remove unused variables l and n.
2796 (pushcaserange): Likewise.
2798 * unroll.c (unroll_loop): Remove unused variable temp.
2800 Sat Feb 7 23:46:09 1998 Greg McGary <gkm@gnu.org>
2802 * c-decl.c (pushdecl): Set DECL_ORIGINAL_TYPE once only.
2804 Sat Feb 7 15:11:28 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2806 * aclocal.m4 (GCC_FUNC_PRINTF_PTR): New macro to test the printf
2807 functions for whether they support the %p format specifier.
2808 * acconfig.h (HOST_PTR_PRINTF): Insert stub for autoconf.
2809 * configure.in (GCC_FUNC_PRINTF_PTR): Use it.
2810 * configure, config.in: Rebuild.
2812 Fri Feb 6 14:20:16 1998 Jim Wilson <wilson@cygnus.com>
2814 * function.c (assign_parms): New variable named_arg, with value
2815 depending on STRICT_ARGUMENT_NAMING. Use instead of ! last_named.
2817 Fri Feb 6 14:34:28 1998 Gavin Koch <gavin@cygnus.com>
2819 * mips/t-r3900: New - same as t-ecoff but eliminate
2820 multilibs: mips1 and mips3.
2821 * configure.in (tx39*): Use new mips/t-r3900.
2822 * configure: Rebuild.
2823 * mips/r3900.h (MULTILIB_DEFAULTS): Eliminate mips1.
2825 1998-02-06 Jason Merrill <jason@yorick.cygnus.com>
2827 * dwarf2out.c: Add old_args_size.
2828 (dwarf2out_args_size): Use it.
2829 (dwarf2out_begin_prologue): Initialize it.
2830 (dwarf2out_stack_adjust): If !asynchronous_exceptions, save up
2831 pushed args until we see a call.
2832 * final.c (final_scan_insn): Hand CALL_INSNs off to the dwarf2 code
2833 before outputting them.
2835 1998-02-06 Kriang Lerdsuwanakij <lerdsuwa@scf.usc.edu>
2837 * cplus-dem.c (demangle_template_template_parm): New function.
2838 (demangle_template): Handle template template parameters.
2840 1998-02-02 Mark Mitchell <mmitchell@usa.net>
2842 * calls.c (expand_call): Don't confuse member functions named
2843 realloc, setjmp, and so forth with the standard library
2844 functions of the same names.
2846 Thu Feb 5 21:59:49 1998 Jeffrey A Law (law@cygnus.com)
2848 * stmt.c (expand_asm_operands): Correctly identify asm statements
2851 Thu Feb 5 21:56:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
2853 * c-common.c (decl_attributes): Flag unrecognized attribute
2854 functions as warnings instead of as errors.
2856 1998-02-05 Marc Lehmann <pcg@goof.com>
2858 * integrate.c (INTEGRATE_THRESHOLD): Inline only small functions
2859 when -Os is specified.
2860 * toplev.c (main): Don't disable flag_inline_functions anymore when
2863 Fri Feb 6 00:27:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2865 * regmove.c: Update.
2866 * flags.h (flag_regmove): Declare.
2867 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Don't declare.
2868 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2):
2869 Moved into regmove; changed caller.
2870 * toplev.c (rest_of_compilation): Call regmove_optimize also for
2871 expensive_optimizations.
2873 Thu Feb 5 13:38:42 PST 1998 Jeff Law (law@cygnus.com)
2875 * version.c: Bump for snapshot.
2877 Thu Feb 5 01:45:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2878 Undo this change (the problem was actually in reload):
2879 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2881 * sh.md (movqi_i+1): New peephole.
2883 Tue Feb 3 01:11:12 1998 Jeffrey A Law (law@cygnus.com)
2885 * jump.c (jump_optimize): Lose calls to modified_in_p they are
2886 not needed anymore due to changes elsewhere in jump.c.
2888 * jump.c (jump_optimize): Fix first arg to modified_in_p in
2891 Mon Feb 2 19:18:14 1998 Richard Henderson <rth@cygnus.com>
2893 * expr.c (expand_builtin_setjmp): Accept two new arguments for
2894 the labels to branch to on first and subsequent executions. Don't
2895 play with __dummy. Rename `setjmp' insn to `builtin_setjmp_setup',
2896 and provide it with the jmp_buf. Use only one of
2897 `builtin_setjmp_receiver' or `nonlocal_goto_receiver',
2898 and provide the former with the target label.
2899 (expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp.
2900 (expand_builtin) [BUILTIN_LONGJMP]: Split out to ...
2901 (expand_builtin_longjmp): ... here. Recognize a `builtin_longjmp'
2902 insn to replace all of the normal nonlocal_goto code. Don't play
2903 with __dummy. Correct arguments to nonlocal_goto.
2904 * expr.h (expand_builtin_setjmp): Update prototype.
2905 * except.c (start_dynamic_handler): When using builtin_setjmp,
2906 generate more accurate flow information.
2908 * alpha.md (nonlocal_goto_receiver_osf): Delete.
2909 (nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver.
2910 (builtin_longjmp, builtin_setjmp_receiver): New.
2911 * sparc.md (update_return): Disambiguate unspec number.
2912 (nonlocal_goto): Rearrange arguments to match caller in except.c.
2913 (builtin_setjmp_setup): Rename from setjmp. Match and ignore the
2915 * mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove.
2916 (builtin_setjmp_setup*, builtin_longjmp): New.
2918 Mon Feb 2 16:43:10 1998 John Carr <jfc@mit.edu>
2920 * mips.md: Change gen_rtx (CONST_INT) to GEN_INT.
2922 Mon Feb 2 13:06:47 1998 Jim Wilson <wilson@cygnus.com>
2924 * vmsconfig.com: Remove bytecode references.
2926 1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2928 * dwarf2out.c (dwarf2out_frame_init): Undo last change, so that
2929 -fno-sjlj-exceptions works for a target that defines
2930 DWARF2_UNWIND_INFO as zero.
2932 * regmove.c (fixup_match_1): Undo last change which removed some
2933 "useless" code, and add a comment explaining this.
2935 Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com)
2937 * mips.c (mips_expand_prologue): Change uses of TARGET_64BIT
2940 Mon Feb 2 10:38:41 1998 Klaus Kaempf <kkaempf@progis.de>
2942 * makefile.vms: Remove bytecode references.
2943 Create genrtl files.
2945 Mon Feb 2 02:08:04 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
2947 * jump.c (jump_optimize): Allow conditional loading of floating point
2948 constants and constants from memory. Reinstalled modified_in_p tests.
2950 Mon Feb 2 01:38:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2952 * loop.c (get_condition): Handle sign-extended constants.
2954 Mon Feb 2 01:22:46 1998 Hans-Peter Nilsson <hp@axis.se>
2956 * expr.c (emit_push_insn): Add code to use movstrti if present.
2958 * expr.c (emit_push_insn): Use same max-move-amount for movstrhi
2959 and movstrqi as in emit_block_move ().
2961 Mon Feb 2 00:09:52 1998 Toon Moene <toon@moene.indiv.nluug.nl>
2963 * config/m68k/x-next: Remove /NextDeveloper/Headers from
2964 the directories to fixinclude - /usr/include is a link
2965 to it and hence its contents are fixed by default.
2967 Sun Feb 1 14:15:33 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
2969 * rs6000/linux.h: define JUMP_TABLES_IN_TEXT_SECTION
2971 Sun Feb 1 13:01:15 1998 Klaus Kaempf <kkaempf@progis.de>
2973 * cccp.c (main): Predefine __VMS_VER on VMS.
2975 Sun Feb 1 12:39:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2977 * expr.c (get_inner_reference): Use sbitsizetype for type sizes.
2978 * fold-const.c (size_int): Replace with
2980 (make_bit_field_ref): Use bitsize_int for bit position.
2981 * stor-layout.c (sizetype): Delete.
2982 (sizetype_tab, sbitsizetype, ubitsizetype): Declare.
2983 (layout_record, layout_union, layout_type):
2984 Use bitsize_int for bit size.
2985 (set_sizetype): New function.
2986 (make_signed_type, make_unsigned_type): Use it.
2987 * c-decl.c (init_decl_processing): Likewise.
2988 * tree.h (size_int): Don't delcare, #define.
2989 (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
2990 (set_sizetype): Declare.
2991 (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
2993 * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
2994 Convert result to sizetype.
2995 (really_start_incremental_init, push_init_level):
2996 Set type of constructor_bit_index to sbitsizetype.
2997 (push_init_level): Use unsigned arithmetic to determine padding.
2998 (output_init_element): Likewise.
3000 Sun Feb 1 03:32:07 1998 Jeffrey A Law (law@cygnus.com)
3002 * combine.c (simplify_shift_const): Fix typo in last change.
3004 Sun Feb 1 02:50:46 1998 John Carr <jfc@mit.edu>
3006 * combine.c (simplify_shift_const): (lshiftrt (truncate (lshiftrt)))
3007 is (truncate (lshiftrt)).
3009 Sun Feb 1 01:06:53 1998 Richard Henderson <rth@cygnus.com>
3011 * alpha.c (alpha_expand_unaligned_load): Use expand_binop properly.
3012 Make sure result winds up in TGT.
3013 (alpha_expand_unaligned_store): Use expand_binop properly. Allow
3014 src to be other than DImode.
3015 (alpha_expand_unaligned_load_words): Tidy. Take an offset argument.
3016 (alpha_expand_unaligned_store_words): Likewise.
3017 (alpha_expand_block_move): Use REGNO_POINTER_ALIGN. Restructure so
3018 that source and destination are separately optimized for alignment.
3019 (alpha_expand_block_clear): Use REGNO_POINTER_ALIGN.
3021 Sun Feb 1 01:55:09 1998 Jeffrey A Law (law@cygnus.com)
3023 * mips.md (adddi3_internal_2): Be consistent with adddi3 expander
3024 with handling of -32768.
3026 Sun Feb 1 01:48:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3028 * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a
3029 shell variable argument instead of only hard coded functions.
3030 (GCC_NEED_DECLARATIONS): New macro to accept multiple functions.
3032 * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one
3033 call. Collapse multiple calls to GCC_NEED_DECLARATION into one
3034 call to GCC_NEED_DECLARATIONS (new macro.) Check if we need
3035 declarations for bcopy, bcmp and bzero.
3037 * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations.
3039 * gansidecl.h: If we have bcopy but don't declare it, then do so.
3040 Likewise for bcmp and bzero. Only define macros for bcopy, bcmp,
3041 bzero, index and rindex if they aren't already present.
3043 Sat Jan 31 11:26:58 1998 Jeffrey A Law (law@cygnus.com)
3045 * toplev.c (close_dump_file): Wrap function prototype for
3046 argument "func" in PROTO.
3047 (dump_rtl): Likewise.
3049 Fri Jan 30 22:30:39 1998 John Carr <jfc@mit.edu>
3051 * sparc.c (sparc_override_options): Make v8plus and ultrasparc set
3053 (output_function_epilogue): Omit epilogue if nothing drops through.
3054 (output_move_double): Supress int ldd usage on ultrasparc and v9.
3055 (registers_ok_for_ldd_peep): Likewise.
3056 (print_operand): Supress b,a on ultrasparc. Let Y accept a constant.
3057 (ultrasparc_adjust_cost): New function.
3058 (sparc_issue_rate): New function.
3059 * sparc.h (MASK_VIS, TARGET_VIS): New
3060 (MASK_V8PLUS, TARGET_V8PLUS): New.
3061 (TARGET_HARD_MUL32, TARGET_HARD_MUL): New.
3062 (TARGET_SWITCHES): Add vis and v8plus.
3063 (REG_CLASS_FROM_LETTER): Accept d and b for VIS.
3064 (REGISTER_MOVE_COST): FP<->INT move cost 12 for ultrasparc.
3065 (RTX_COSTS): Use TARGET_HARD_MUL
3066 (ADJUST_COST): Call ultrasparc_adjust_cost.
3068 * sparc.md (attr type): Add sload, fpmove, fpcmove. Adjust users
3069 of load & fp appropritely.
3070 (supersparc function units): Adjust for Haifa.
3071 (ultrasparc function units): Likewise.
3072 (get_pc_via_rdpc): All v9, not just arch64.
3073 (movdi_v8plus, movdi_v8plus+1): New.
3074 (adddi3_sp32+1): New.
3075 (subdi3_sp32+1): New.
3076 (movsi_insn, movsf_const_insn, movdf_const_insn): Know VIS.
3077 (addsi3, subsi3, anddi3_sp32, andsi3, and_not_di_sp32): Likewise.
3078 (and_not_si, iordi3_sp32, iorsi3, or_not_di_sp32, or_not_si): Likewise.
3079 (xorsi3_sp32, xorsi3, xor_not_di_sp32, xor_not_si): Likewise.
3080 (one_cmpldi2_sp32, one_cmplsi2): Likewise.
3081 (ldd peepholes): Suppress for v9.
3082 (return_adddi): Kill redundant test. Arg1 may be arith_operand.
3083 (return_subsi): Revmove.
3085 Fri Jan 30 18:30:03 1998 John F Carr <jfc@mit.edu>
3087 * mips.c (save_restore_insns): Set RTX_UNCHANGING_P in register
3088 save/restore MEM rtl.
3090 Fri Jan 30 09:08:16 1998 Jeffrey A Law (law@cygnus.com)
3092 * configure.in: Check for declaration of abort.
3093 * acconfig.h: Corresponding changes.
3094 * toplev.c: Use NEED_DECLARATION_ABORT to determine if abort should
3097 Thu Jan 29 20:26:12 1998 Jeffrey A Law (law@cygnus.com)
3099 * genattrtab.c (optimize): Define in case PRESERVE_DEATH_INFO_REGNO_P
3102 Thu Jan 29 09:27:56 PST 1998 Jeff Law (law@cygnus.com)
3104 * version.c: Bump for snapshot.
3106 Thu Jan 29 10:12:27 1998 Jeffrey A Law (law@cygnus.com)
3108 * configure.in: Check for atoq and atoll.
3109 * rtl.c (read_rtx): Use HAVE_ATOLL and HAVE_ATOQ to select the
3110 proper routine for converting ascii into long long values.
3112 Thu Jan 29 01:28:14 1998 Klaus Kaempf <kkaempf@progis.de>
3114 * cccp.c (SYS$SEARCH, SYS$PARSE): Write as upper-case.
3116 * vmsconfig.com: Remove bytecode references.
3118 * alpha/vms.h (PREFIX): Define.
3120 * alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Remove.
3122 * am-alpha.h: Don't include alloca for OPEN_VMS.
3124 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define.
3126 * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define.
3127 (GCC_INCLUDE_DIR): Define
3129 * make-cc.com, make-cccp.com, make-cc1.com: Removed.
3130 * makefile.vms: New file.
3132 * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha.
3134 * alpha.c (output_prolog): Output '.name' directive
3135 for minimal traceback information.
3137 * alpha.c (output_prolog): Don't prepend entry point symbols
3138 with '$' on OPEN_VMS.
3140 Thu Jan 29 00:25:35 1998 David S. Miller <davem@tanya.rutgers.edu>
3141 Jeffrey A Law (law@cygnus.com)
3143 * rtl.c (read_rtx): Use atol/atoq based upon disposition of
3146 * genattrtab.c (write_test_expr): Use HOST_WIDE_INT_PRINT_DEC
3148 * genemit.c (gen_exp): Likewise.
3149 * genpeep.c (match_rtx): Likewise.
3150 * genrecog.c (write_tree_1): Likewise.
3152 * c-lex.c (yyprint): Use proper format string based upon
3153 disposition of HOST_BITS_PER_WIDE_INT.
3154 (yylex): Put casts in right place for args to build_int_2.
3156 Thu Jan 29 00:24:29 1998 Jeffrey A Law (law@cygnus.com)
3158 * combine.c: Fix typos in Jan27 changes.
3160 Thu Jan 29 00:07:49 1998 Ollivier Robert <roberto@keltia.freenix.fr>
3162 * i386/freebsd.h (LIB_SPEC): Correctly handle -shared, -p and friends.
3163 (LINK_SPEC): Likewise.
3164 (STARTFILE_SPEC): Likewise.
3166 1998-01-28 Mike Stump <mrs@wrs.com>
3168 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
3170 * genattrtab.c (reload_completed): Define.
3172 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete
3175 Wed Jan 28 20:11:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3177 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
3178 SUBREG_REG if the word count is unchanged, also in the input reload
3179 case. Disable non-applicable sanity checks.
3181 Wed Jan 28 20:08:26 1998 Jeffrey A Law (law@cygnus.com)
3183 * config/t-svr4 (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
3185 Wed Jan 28 20:04:43 1998 Ian Lance Taylor <ian@cygnus.com>
3187 * i386/t-cygwin32 (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
3189 Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com>
3191 * dbxout.c (dbxout_type): For a RECORD_TYPE, check that TYPE_BINFO
3192 is a TREE_VEC before trying to use it for baseclasses.
3193 (Chill uses the same field for a different purpose.)
3195 * toplev.c (strip_off_ending): Generalize to endings up to 5 chars.
3197 Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi>
3199 * config.sub: More accurate determination of HP processor types.
3201 Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3203 * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
3204 prototype for `handle_sysv_pragma', and make it static. Add
3205 parentheses around assignment used as truth value.
3207 * combine.c (combine_instructions): Protect variable `prev' with
3209 (can_combine_p): Protect variable `link' with AUTO_INC_DEC.
3210 (extract_left_shift): Add parentheses around operand of &.
3211 (merge_outer_ops): Avoid an empty body in an else-statement.
3212 (gen_rtx_combine): Remove unused variable `i'.
3214 * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
3215 function monstartup `void'. Likewise for internal_mcount. Add
3216 `static void' prototype for moncontrol. Reconcile sprintf format
3219 * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
3220 Make return type of function_arg_slotno explicitly `int'.
3221 (reg_unused_after): Add parentheses around assignment used as
3223 (save_regs): Add explicit braces to avoid ambiguous `else'.
3224 (function_arg_slotno): Add parentheses around && within ||.
3225 (function_arg_pass_by_reference): Likewise.
3226 (sparc_flat_output_function_prologue): Reconcile fprintf format
3229 * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
3230 assignment used as truth value.
3232 * cplus-dem.c: Include <stdlib.h>.
3233 (demangle_signature): Avoid an empty body in an else-statement.
3234 (do_type): Remove unused variable `lvl'.
3236 * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
3237 Include <string.h>/<strings.h>.
3238 (cpp_lex): Remove unused variable `namelen'.
3239 (cpp_lex): Explicitly declare `num_chars' as an int.
3241 * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
3242 <unistd.h> instead. Explicitly declare is_system_include
3244 (make_assertion): Remove unused variable `kt'.
3245 (cpp_expand_to_buffer): Hide variable `obuf'.
3246 (output_line_command): Remove unused variables, `line_end',
3247 `line_cmd_buf' and `len'.
3248 (macarg): Remove unused variable `arg_start'.
3249 (special_symbol): Remove unused variable `i'. Add parentheses
3250 around assignment used as truth value.
3251 (do_include): Remove unused variables `pcfname' and `retried',
3252 hide `pcf' and `pcfbuflimit'.
3253 (do_line): Remove unused variable `i'.
3254 (finclude): Hide variable `missing_newline'.
3255 (cpp_handle_options): Remove unused variable `j'.
3256 (read_token_list): Remove unused variable `eofp'.
3257 (cpp_error_with_line): Remove unused variable `i'.
3258 (cpp_warning_with_line): Likewise.
3259 (cpp_pedwarn_with_line): Explicitly declare `column' as int.
3260 (cpp_error_from_errno): Remove unused variable `i'.
3262 * cse.c (invalidate): Add parentheses around assignment used as
3264 (find_best_addr): Move declaration of variable `our_cost' inside
3265 the conditional macro where its used.
3266 (fold_rtx): Avoid an empty body in an if-statement.
3267 (cse_insn): Wrap variables `this_insn_cc0_mode' and
3268 `this_insn_cc0' in macro HAVE_cc0.
3270 * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
3271 (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
3272 (output_uleb128): Likewise.
3273 (output_sleb128): Likewise.
3274 (output_cfi): Likewise.
3275 (output_call_frame_info): Remove unused variables `j', `fde_size'
3277 (comp_unit_has_inlines): Hide declaration as per rest of file.
3278 (size_of_line_prolog): Correct typo in prototype.
3279 (add_arange): Likewise.
3280 (output_aranges): Likewise.
3281 (add_name_and_src_coords_attributes): Likewise.
3282 (gen_array_type_die): Likewise.
3283 (gen_inlined_subroutine_die): Likewise.
3284 (equate_decl_number_to_die): Remove unused variable `i'.
3285 (print_die): Reconcile format vs. args in fprintf's.
3286 (print_dwarf_line_table): Likewise.
3287 (output_die): Likewise.
3288 (output_line_info): Likewise.
3289 (add_subscript_info): Avoid an empty body in an else-statement.
3290 (gen_subprogram_die): Remove unused variable `fp_loc'.
3292 * dwarfout.c: Explicitly declare `next_pubname_number' as int.
3293 Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
3294 macro. Protect `src_coords_attribute' prototype with
3295 DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
3296 prototype as in the rest of the file. Likewise for
3297 `output_pointer_type_die' and `output_reference_type_die'. Remove
3298 prototype for `type_of_for_scope'.
3299 (output_unsigned_leb128): Reconcile format vs. args in fprintf.
3300 (type_attribute): Add explicit braces to avoid ambiguous `else'.
3302 * final.c: Include <stdlib.h> and <string.h>/<strings.h>.
3303 (shorten_branches): Protect declaration of tmp_length with
3304 SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
3305 (profile_function): Protect declaration of `sval' and `cxt'
3306 variables with appropriate macros.
3307 (final_scan_insn): Likewise for `note' variable. Add explicit
3308 braces to avoid empty body in an if-statement.
3309 (output_asm_insn): Move variable `i' inside macro conditional
3310 where it is used. Add parentheses around assignment used as truth
3312 (asm_fprintf) Likewise, likewise.
3314 * fix-header.c (main): Remove unused variable `done'. Protect
3315 declaration of `i' with FIXPROTO_IGNORE_LIST.
3317 * pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
3319 * print-rtl.c (print_inline_rtx): Explicitly declare the parameter
3322 * profile.c: Include <string.h>/<strings.h>.
3323 (instrument_arcs): Remove unused variables `note', `inverted',
3324 `zero' and `neg_one'.
3325 (branch_prob): Avoid empty body in an if-statement.
3327 * regclass.c: Include <stdlib.h>.
3328 (reg_alternate_class): Explicitly declare parameter `regno'.
3330 * regmove.c (regmove_optimize): Remove unused variable `p'. Add
3331 parentheses around assignment used as truth value.
3332 (find_matches): Remove unused variables `output_operand' and
3334 (fixup_match_1): Remove statement with no effect: "if (0) ;".
3336 * scan.c (sstring_append): Explicitly declare `count' as int.
3337 (scan_string): Explicitly declare parameter `init' as int.
3339 * sched.c: Include <stdlib.h>.
3340 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
3341 (rank_for_schedule): Add parentheses around assignment used as
3343 (schedule_block): Likewise.
3344 (regno_use_in): Likewise.
3345 (schedule_insns): Remove unused variable `i'.
3347 * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
3348 (v_message_with_decl): Remove unused variable `n'.
3349 (botch): Explicitly declare parameter `s' as char *.
3350 (main): Add parentheses around assignment used as truth value.
3352 * tree.c (make_node): Protect the variable `kind' with the
3353 GATHER_STATISTICS macro.
3354 (real_value_from_int_cst): Move variable `e' inside conditional
3355 macro area where it is used.
3356 (tree_last): Add parentheses around assignment used as truth value.
3357 (build1): Protect the variable `kind' with the GATHER_STATISTICS
3359 (print_obstack_statistics): Reconcile format vs. args in fprintf.
3360 Protect variables `i', `total_nodes', and `total_bytes' with the
3361 GATHER_STATISTICS macro.
3363 Tue Jan 27 23:01:55 1998 Mike Stump (mrs@wrs.com)
3365 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add
3366 some comments regarding use of dead_or_set_p.
3368 Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com>
3370 * fixincludes: Tweak fix for struct exception in math.h
3372 Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com)
3374 * mips/mips.c (mips_expand_prologue,mips_expand_epilogue):
3375 Change mode of registers used to add/sub from
3376 hard_frame_pointer_rtx from word_mode to Pmode.
3378 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
3380 * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use
3381 asm_output_aligned_bss() instead of asm_output_bss().
3383 * toplev.c (rest_of_compilation): Replace references to
3384 stack_reg_dump_file and dbr_sched_dump_file with references to
3387 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
3389 * tlink.c (scan_linker_output): Call fclose() for opened files.
3391 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
3393 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
3394 compiling with -fpic -- we want to be able to override symbols
3396 (alpha_expand_block_move): Fix thinko in last change.
3398 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
3399 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
3400 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
3402 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
3404 * alpha.md (abssf, absdf): Revert last change.
3406 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
3408 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
3409 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
3411 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
3413 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
3414 a CONST_INT into SFmode.
3416 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
3418 * flags.h: New flag (optimize_size).
3419 * toplev.c (main): Parse -Os option and set optimize_space
3421 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
3422 __OPTIMIZE_SIZE__ when compiling with -Os.
3423 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
3424 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
3425 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
3427 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
3429 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
3431 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
3432 stuff only if MCT_TEXT is #define'd.
3434 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
3436 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
3439 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
3441 * toplev.c: Add -dM command line option to dump RTL after the
3442 machine dependent reorganisation pass, if there is one.
3443 Reorganise RTL dump code, so that only one file handle is
3446 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
3448 * except.c (check_exception_handler_labels): Disable warning when
3451 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
3453 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
3455 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3457 * c-decl.c (grokdeclarator): Get parameter tags from
3458 last_function_parm_tags.
3459 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
3460 traversing the parameter types.
3461 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
3463 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
3465 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
3467 (get_shift_alg): Fix typo.
3469 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
3471 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
3473 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
3475 * toplev.c (get_run_time): Make sure each case gets its variables.
3477 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
3479 * configure.in (build_xm_file): Add auto-config.h if host=build.
3480 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
3481 (build_xm_file_list): Likewise.
3482 * configure: Rebuild.
3484 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
3486 * recog.c (validate_replace_rtx_1): Only perform substitutions
3487 of arguments to commutative and comparison operators once.
3489 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3491 * sparc.c (output_cbranch): Add default case in
3494 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
3495 (emit_delay_sequence): Eliminate unused parameter, all callers
3497 (fill_simple_delay_slots): Likewise.
3498 (fill_slots_from_thread): Likewise.
3499 (fill_eager_delay_slots): Likewise.
3500 (mark_referenced_resources): Add default case in enumeration switch.
3501 (mark_set_resources): Likewise.
3502 (rare_destination): Likewise.
3503 (mostly_true_jump): Likewise.
3504 (find_dead_or_set_registers): Likewise.
3505 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
3506 (update_reg_unused_notes): Remove unused variable `p'.
3507 (mark_target_live_regs): Remove unused variables `next' and
3509 (fill_simple_delay_slots): Remove unused variable `j'.
3510 (fill_slots_from_thread): Add parentheses around assignment used
3512 (dbr_schedule): Likewise.
3514 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
3515 (objc.stage2, objc.stage3, objc.stage4): Likewise.
3517 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
3519 * cse.c (simplify_ternary_operation): Don't try to simplify
3520 IF_THEN_ELSE expressions (created by combine) that don't use
3521 relational operators.
3523 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
3525 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
3528 * crtstuff.c (init_dummy): Keep the epilogue in the init
3529 section for non-ELF systems.
3531 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3533 * sh.md (movqi_i+1): New peephole.
3535 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
3537 * Makefile.in: Remove remaining bytecode stuff.
3538 * emit-rtl.c, expr.c: Likewise.
3540 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
3542 * toplev.c (lang_options): Add unknown-pragma options.
3544 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
3546 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
3547 special (and incomplete) handling for Chill arrays.
3549 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
3551 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
3554 Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com)
3556 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
3558 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
3560 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
3561 .frame directive instead of FRAME_POINTER_REGNUM.
3563 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
3565 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
3566 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
3567 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
3568 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
3569 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
3570 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
3571 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
3572 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
3574 * longlong.h: Replace __mc68332__ with __mcpu32__.
3576 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
3578 * version.c: Bump for snapshot.
3580 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
3582 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
3583 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
3584 * reload1.c (eliminate_regs): Likewise.
3586 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
3588 * regmove.c (find_matches): Initialize matches->earlyclobber too.
3590 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
3592 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
3593 (negsf2, negdf2): Use proper subtract in IEEE mode.
3595 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
3597 * Makefile.in: Remove more bytecode stuff.
3598 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
3599 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
3600 * f/install.texi, objc/Make-lang.in: Likewise.
3602 * Makefile.in: Remove all bytecode support.
3603 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
3604 * emit-rtl.c: Remove all bytecode support.
3605 * expr.c, expr.h function.c, integrate.c: Likewise.
3606 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
3607 * tree.h, varasm.c: Likewise.
3608 * config/m68k/m68k.h: Likewise.
3609 * bi-*, bc-*, bytecode*: Delete bytecode related files.
3610 * modemap.def: Likewise.
3612 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
3614 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
3615 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
3617 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
3619 * i386.md (push): Prohibit symbolic constants if flag_pic.
3620 (movsi+1): Likewise for move to non-register.
3622 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
3624 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
3625 (print_operand): Handle 0xffffffff on 32 bit host.
3627 * configure.in (thread_file): Rename uses before main loop to
3628 target_thread_file. Initialize to empty in main loop. Set thread_file
3629 to target_thread_file after main loop if not set.
3630 * configure: Rebuild.
3632 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
3633 (add_values_to_cover): Revert last change (which had no ChangeLog
3635 (simplify_with_current_value_aux): Handle CONST_INT.
3637 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3639 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
3641 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
3643 * configure.in: Add cpp stringify test.
3644 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
3645 * gengenrtl.c: Use it.
3646 * configure, config.in: Rebuild.
3648 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3650 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
3652 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
3654 * configure.in: Find declaration for sbrk.
3655 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
3656 * config.in, configure: Rebuild.
3657 * mips-tfile.c: Properly protect declaration of sbrk and free.
3658 * toplev.c: Properly protect declaration of sbrk.
3660 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
3662 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
3664 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
3666 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
3668 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
3670 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
3672 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
3674 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
3675 constant offset computations from objects with known alignment in
3676 the presence of STACK_BIAS.
3678 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
3680 (const_hash): Hash val is unsigned long.
3681 (SYMHASH): Likewise.
3683 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
3685 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
3686 char pointer, not HOST_WIDE_INT.
3687 (print_node): Likewise. Also hash is unsigned long not
3690 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
3692 * explow.c (optimize_save_area_alloca): New function for targets
3693 where SETJMP_VIA_SAVE_AREA is true.
3694 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
3695 compute the amount of stack space needed should we find later that
3696 setjmp is never called by this function, stuff rtl for this inside
3697 a REG_NOTE of the final SET of stack_pointer_rtx.
3698 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
3699 current_function_calls_alloca, call optimize_save_area_alloca.
3701 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
3703 * i386.md: Remove redundant integer push patterns.
3704 Don't bother checking for TARGET_PUSH_MEMORY when
3705 pushing constants or registers.
3707 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
3708 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
3710 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
3711 (pwait): New function for mingw32.
3713 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
3714 pipe support is broken for now.
3716 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
3718 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
3719 between frame_pointer_rtx, hard_frame_pointer_rtx, and
3720 arg_pointer_rtx is respected in initialization.
3721 (init_emit_once): Use gen_rtx_raw_REG() to create
3722 return_address_pointer_rtx.
3724 * reorg.c: #include "expr.h" for rtx prototypes.
3725 * Makefile.in (reorg.o): Depend on expr.h
3727 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
3729 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
3730 local_prefix to sub-make invocations.
3732 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
3734 * objc-parse.c: Recognize protocol qualifiers in class definitions.
3736 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
3740 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
3741 * configure.in: Check for atol.
3742 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
3744 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
3746 * loop.c (find_and_verify_loops): When attempting to move insns from
3747 inside the loop outside the loop, create a BARRIER if no suitable
3750 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
3751 favor of an equivalent change from gcc-2.8.
3753 * i386/x-sco5 (CC): Remove trailing whitespace.
3755 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3757 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
3758 (accessor_from_format): Likewise.
3759 (xmalloc): New function for use when linking with alloca.o.
3761 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
3763 * frame.c (find_fde): Correct FDE's upper bound.
3765 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
3767 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
3769 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
3771 * calls.c (expand_call): Move #ifdef code out of macro argument
3773 (emit_library_call, emit_library_call_value): Likewise.
3775 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
3777 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
3779 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
3781 * version.c: Bump for snapshot.
3783 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
3785 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
3786 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
3787 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
3788 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
3789 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
3790 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
3791 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
3792 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
3793 * unroll.c, varasm.c: Likewise.
3794 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
3796 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
3798 * mips.h: Fix some type-o's from a previous change.
3800 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
3802 * loop.c (check_dbra_loop): Make sure initial value is a
3803 CONST_INT before trying to normalize it.
3805 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
3807 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
3809 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
3811 * cppexp.c: Include gansidecl.h
3813 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
3815 * svr4.h (LINK_SPEC): Never specify -h.
3816 * ptx4.h (LINK_SPEC): Likewise.
3817 * rs6000/sysv4.h (LINK_SPEC): Likewise.
3818 * sparc/sol2.h (LINK_SPEC): Likewise.
3820 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
3822 * c-typeck.c (comptypes): Exit early on NULL input.
3824 * haifa-sched.c (schedule_insns): Correctly remove inter-block
3825 dependencies after reload.
3827 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
3829 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
3831 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
3833 * alpha/vms.h (DIR_SEPARATOR): define
3835 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
3837 * Makefile.in (stamp-proto): Remove.
3838 (protoize.o, unprotoize.o): Straightforward compile.
3839 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
3841 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
3843 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
3844 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
3846 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
3848 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
3849 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
3850 * sparc/netbsd.h, vax/netbsd.h: Likewise.
3852 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
3854 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
3856 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
3858 * configure.in (target_cpu_default, target_cpu_default2): Use double
3859 quotes around them when testing their value.
3860 * configure: Rebuilt.
3862 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
3864 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
3866 (gendef): Call obstack_alloc_rtx.
3868 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
3870 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
3873 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
3875 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
3876 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
3877 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
3879 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
3881 * mips.md (return_internal): Change mode from SImode to VOIDmode.
3883 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
3885 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
3888 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
3890 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
3891 suffix from operand 3.
3893 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3894 Jeffrey A Law (law@cygnus.com)
3896 * regmove.c: New implementation of regmove pass.
3897 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
3898 decls, make them have external linkage. Return a value from
3899 optimize_reg_copy_1.
3900 * reload.h (count_occurrences): Add decl.
3901 * reload1.c (count_occurrences): Delete decl, make it have external
3903 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
3905 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
3907 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
3908 if it is not defined.
3910 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
3912 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
3913 * emit-rtl.c (gen_rtx): Move special code to ...
3914 (gen_rtx_CONST_INT): New function.
3915 (gen_rtx_REG): New function.
3916 (*): Update all calls to gen_rtx.
3917 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
3918 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
3919 (GEN_INT): Call gen_rtx_CONST_INT.
3920 * gengenrtl.c: New file.
3922 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
3924 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
3925 (base_alias_check): If no base found for address call canon_rtx and
3928 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
3930 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
3931 arguments for mips16.
3932 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
3933 Don't lose if tsize is zero after handling large stack for mips16.
3934 * mips.md (return): For trivial return, return address is in $31.
3936 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
3938 * mips/mips16.S: Various changes to make it work with -msingle-float
3941 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
3942 Ian Lance Taylor <ian@cygnus.com>
3943 Jeff Law <law@cygnus.com>
3945 * mips.c, mips.h, mips.md: First cut at merging in mips16
3946 support. Major modifications throughout all three files.
3948 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
3950 * configure.in: Make gthr-default.h a forwarding header instead of
3953 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3955 * gcov-io.h: Include sys/types.h to ensure we get size_t.
3957 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
3959 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
3960 Jeffrey A Law (law@cygnus.com)
3962 * crtstuff.c (__frame_dummy): New function for irix6.
3963 (__do_global_ctors): Call __frame_dummy for irix6.
3964 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
3966 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
3968 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
3970 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
3972 * c-decl.c (init_decl_processing): Provide proper fallback symbol
3973 for __builtin_memset.
3974 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
3975 not INTEGER_CST. Assert arg 3 is a constant.
3977 * alpha.c (mode_width_operand): Accept 64-bit modes.
3978 (mode_mask_operand): Likewise.
3979 (print_operand): Likewise for 'M' and 'U' codes.
3980 (alpha_expand_unaligned_load): New function.
3981 (alpha_expand_unaligned_store): Likewise.
3982 (alpha_expand_unaligned_load_words): Likewise.
3983 (alpha_expand_unaligned_store_words): Likewise.
3984 (alpha_expand_block_move): Likewise.
3985 (alpha_expand_block_clear): Likewise.
3986 * alpha.h (MOVE_RATIO): New define.
3987 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
3988 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
3990 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
3991 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
3993 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
3995 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
3996 * configure: Update.
3998 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
4000 * emit-rtl.c (operand_subword): Correctly handle extracting a word
4001 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
4003 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
4006 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
4008 * configure.in: Set and subsitute host_exeext. Use it when creating
4009 the assembler and linker symlinks.
4010 * configure: Rebuild.
4011 * Makefile.in (exeext): Set to @host_exeext@.
4012 (build_exeext): New variable, set to @build_exeext@.
4013 (FLAGS_TO_PASS): Pass down build_exeext.
4014 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
4017 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
4019 * mn10200.md (addsi3, subsi3): Fix thinkos.
4021 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
4023 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
4024 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
4025 unix always, since we want to be able to thunk to functions in a
4026 shared library from an application.
4028 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
4030 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
4031 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
4033 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
4035 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
4036 offset's mode is not ptr_mode, convert it.
4038 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
4040 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
4041 compiling if it was already defined.
4043 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
4045 * flow.c (find_basic_blocks): Don't create a new basic block
4046 for calls in a LIBCALL block.
4048 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
4050 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
4052 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
4054 * cse.c (rtx_cost): Remove conflicting default case.
4056 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
4058 * configure.in: Move default enabling of Haifa out of for loop.
4059 * configure: Rebuild.
4061 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
4063 * version.c: Bump for snapshot.
4065 1997-12-25 Teemu Torma <tot@trema.com>
4067 * Makefile.in (GTHREAD_FLAGS): New var.
4068 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
4069 (distclean): Remove gthr-default.h.
4071 * configure.in: Accept dce as a thread package.
4072 Check for thread.h and pthread.h.
4073 Link gthr-default.h to appropriate thread file and set
4075 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
4076 include multilib definitions from pa/t-dce-thr.
4077 (sparc-*-solaris2*): Enable threads by default, if thread.h or
4078 pthread.h is found, preferring posix threads over solaris ones.
4080 * config/pa/t-dce-thr: New file.
4081 * config/pa/t-pa: Removed multilibs.
4082 * config/sparc/t-sol2: Ditto.
4085 * gthr-single.h: New file.
4086 * gthr-posix.h: New file.
4087 * gthr-solaris.h: New file.
4088 * gthr-dce.h: New file.
4089 * libgcc-thr.h: Removed.
4090 * objc/thr-dce.c: New file copied from thr-decosf1.c.
4092 * frame.c: Include gthr.h instead of libgcc-thr.h.
4093 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
4094 (eh_context_initialize): If __gthread_once fails, use static eh
4096 (eh_context_free): Call __gthread_key_dtor.
4098 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
4100 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
4102 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
4104 * cse.c (max_insn_uid): New variable.
4105 (cse_around_loop): Use max_insn_uid.
4106 (cse_main): Set max_insn_uid.
4108 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
4109 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
4110 -mlong64, and -mgp{32,64} options.
4111 * mips.c (mips_abi): Change type to int.
4112 * mips.h (enum mips_abi_type): Delete.
4113 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
4114 (mips_abi): Change type to int.
4116 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
4118 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
4119 optimization is now always enabled.
4121 * calls.c (expand_call): Recognize C++ operator new as malloc-like
4124 * alias.c (memrefs_conflict_p): Eliminate tests now done by
4126 (*_dependence): Call canon_rtx before base_alias_check.
4127 (init_alias_once): New function to precompute set of registers which
4128 can hold Pmode function arguments.
4130 * rtl.h: Declare init_alias_once.
4132 * toplev.c (compile_file): Call init_alias_once.
4134 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
4136 * tree.c (restore_tree_status): Do not dereference a null pointer.
4138 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
4140 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
4141 RLIMIT_STACK. This maintains consistency with the recent, similar
4142 patch to cccp.c and toplev.c.
4144 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
4146 * genattrtab.c (expand_units): For large nr opclasses, expand
4147 function_units_used with ORX to prevent blowups. Tag with FFS.
4148 (num_unit_opclasses): New variable.
4149 (gen_unit): Update it.
4150 (enum operator): Add ORX_OP.
4151 (operate_exp): Treat ORX as or, except don't expand across an if.
4152 Reuse number rtx's after operating on them.
4153 (check_attr_value): Accept IOR, AND, & FFS.
4154 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
4155 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
4156 (write_expr_attr_cache, write_toplevel_expr): New functions.
4157 (write_attr_get): Handle FFS-tagged expressions.
4158 (make_canonical): Don't expand const attributes.
4159 (convert_const_symbol_ref): Dike out.
4160 (evaluate_eq_attr): Handle SYMBOL_REF.
4161 (main): Don't emit get_attr_foo for const attributes.
4163 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
4164 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
4165 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
4166 * alpha.md: Redo all of the scheduling, adding EV6 support, and
4167 combining function units where possible.
4168 (attr "type"): Split loads, stores, cmov into int/fp. Combine
4169 multiplies and divides. Add EV6 sqrt, ftoi, itof.
4170 (attr "opsize"): New attribute.
4171 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
4172 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
4173 to control register allocation.
4174 (movsi2-1, movdi2-1): Likewise.
4176 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
4178 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
4179 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
4180 Move OSF/1 specific defines out.
4181 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
4182 Move Linux specific defines out.
4183 (LINK_SPEC): Genericize.
4184 (ASM_FILE_START): Emit .arch if using more than the base insn set.
4185 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
4186 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
4187 (HANDLE_SYSV_PRAGMA): Define.
4188 * alpha/osf.h: New file.
4189 * alpha/linux.h: Split. Retain file-format independant defines.
4190 Import Linux bits from elf.h.
4191 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
4192 (FUNCTION_PROFILER): _mcount takes its address in $28.
4193 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
4194 * alpha/linux-ecoff.h: New file.
4195 * alpha/linux-elf.h: New file.
4196 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
4197 * alpha/win-nt.h (TARGET_DEFAULT): Define.
4198 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
4199 Add new headers as appropriate.
4201 * configure.in (alpha*): Enable Haifa by default.
4202 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
4203 * configure: Rebuild.
4205 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
4207 * Makefile.in (clean): Remove the stages with their objects here ...
4208 (distclean): ... instead of here.
4210 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4212 * cse.c (rtx_cost): Add default case in enumeration switch.
4213 * fix-header.c (recognized_macro): Likewise.
4214 (recognized_extern): Likewise.
4215 (write_rbrac): Likewise.
4216 * objc/objc-act.c (encode_aggregate): Likewise.
4217 (gen_declarator): Likewise.
4218 (gen_declspecs): Likewise.
4220 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
4222 * haifa-sched.c (create_reg_dead_note): Detect and handle another
4223 case where we kill more regs after sched than were killed before
4225 * sched.c (create_reg_dead_note): Similarly.
4227 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
4229 * c-pragma.c: Include flags.h.
4231 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
4233 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
4234 about system headers.
4235 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
4236 and also to resolve symbols in prefix.c.
4238 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
4239 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
4240 when the definitions in auto-config.h is not visible.
4241 (HAVE_BZERO): Likewise.
4242 (HAVE_BCMP): Likewise.
4243 (HAVE_RINDEX): Likewise.
4244 (HAVE_INDEX): Likewise.
4246 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
4248 * pa.c (emit_move_sequence): Handle a function label source
4251 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
4253 * c-pragma.c (handle_pragma_token): Generate warning messages
4254 about unknown pragmas if warn_unknown_pragmas is set.
4256 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
4257 line option to set variable: warn_unknown_pragmas.
4259 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
4261 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
4263 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
4265 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
4267 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
4268 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
4269 generate more fine grained floating point emulation libraries.
4270 * config/fp-bit.c: Add protecting #ifdef to all functions so
4271 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
4272 then compile all suitable functions.
4273 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
4274 underscores to avoid namespace pollution.
4275 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
4277 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
4281 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4282 Jeff Law <law@cygnus.com>
4284 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
4286 * c-decl.c (finish_decl): Use parentheses around && within ||.
4287 * rtl.c: Include stdlib.h.
4288 (read_skip_spaces): Add parentheses around assignments used as
4290 (read_rtx): Initialize list_rtx.
4291 * cppexp.c (parse_number): Use || when operands are truth values.
4292 * alias.c (find_base_value): Add default case.
4293 (memrefs_conflict): Likewise.
4294 * combine.c (sets_function_arg_p): Likewise.
4295 * genemit.c (gen_exp): Likewise.
4296 * local-alloc.c (contains_replace_regs): Likewise.
4297 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
4298 * fold-const.c (fold_convert): Use "&&" for truth values.
4299 (fold): Add default case.
4300 * sdbout.c (sdbout_field_types): Fix typo in declaration.
4301 (sdbout_one_type): Add default case.
4302 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
4303 (some_operand): Add default case.
4304 (input_operand): Likewise.
4305 (signed_comparison_operator): Likewise.
4306 (divmod_operator): Likewise.
4307 (alpha_set_memflags_1): Likewise.
4308 * reload1.c (reload_cse_simplify_operands): Ensure function
4309 always returns a value.
4310 * scan-decls.c (scan_decls): Likewise.
4311 * c-lex.c (skip_white_space): Fix typo in declaraion.
4312 * c-typeck.c (comp_target_types): Add parentheses around assignment
4313 used as truth value.
4314 (print_spelling): Likewise.
4315 (constructor_implicit, constructor_result): Remove unused variables.
4316 * collect2.c (scan_library): Protect prototype with
4317 #ifdef SCAN_LIBRARIES.
4318 * emit-rtl.c (find_line_note): Fix typo in declaration.
4319 * final.c (asm_insn_count): Protect prototype with
4320 #ifdef HAVE_ATTR_length.
4321 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
4322 (try_pre_increment_1, try_pre_increment): Likewise.
4323 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
4324 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
4325 * gcov-io.h (__store_long, __write_long, __read_long): Fix
4326 unsigned/signed comparisons.
4327 * gcov.c (read_files): Remove unused "first_type" variable.
4328 (scan _for_source_files): Initialize s_ptr.
4329 (function_summary): Eliminate "%lf" formatting, use %ld for
4331 (output_data): Initialize branch_probs and last_line_num.
4332 Eliminate "%lf" formatting, use "%ld" for longs.
4334 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
4336 * mips16.S: New file.
4338 * libgcc2.c (varargs): Handle mips16.
4340 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
4342 * stmt.c (expand_end_case): Likewise.
4343 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
4344 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
4345 * rs6000.h, sh.h, tahoe.h, v850.h, vax.h: Likewise.
4347 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4349 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
4350 the build directory.
4351 (libobjc.a): Update dependency list.
4352 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
4354 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
4355 (objc.mostlyclean): Remove runtime-info.h.
4357 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
4359 * tree.c (build_range_type): Allow creation of ranges with no maximum.
4360 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
4361 * dwarf2out.c (add_subscript_info): Likewise.
4362 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
4363 * sdbout.c (plain_type_1): Likewise.
4364 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
4366 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
4369 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4371 * mips.c (fatal): Remove declaration.
4373 1997-12-18 Mark Mitchell <mmitchell@usa.net>
4375 * integrate.c (get_label_from_map): New function.
4376 (expand_inline_function): Use it. Initialize the label_map to
4377 NULL_RTX instead of gen_label_rtx.
4378 (copy_rtx_and_substitute): Use get_label_from_map.
4379 * integrate.h (get_label_from_map): New function.
4380 (set_label_from_map): New macro.
4381 * unroll.c (unroll_loop): Use them.
4382 (copy_loop_body): Ditto.
4384 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
4386 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
4387 (INIT_TARGET_OPTABS): Define.
4388 * mips/ecoff.h: Include gofast.h before mips.h.
4389 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
4390 * mips/elf64.h: Likewise.
4391 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
4393 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
4395 * except.c: Remove register_exception_table{,_p}.
4397 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
4399 * unroll.c (calculate_giv_inc): Handle constant increment found in
4400 a MEM with an appropriate REG_EQUAL note.
4402 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
4404 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
4405 frame pointer in the prologue.
4407 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
4409 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
4410 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
4412 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
4414 * config/m68k/m68k.c (output_function_prologue): Typecast
4415 dwarf2out_cfi_label to (char *).
4416 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
4418 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
4420 * sparc.md (jump): Don't use the annul bit around an empty loop.
4421 Patch from Kevin.Kelly@East.Sun.COM.
4423 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
4425 * jump.c: (jump_optimize): Don't use the return register as a
4426 source1 of a conditional move.
4428 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
4430 * sparc.c (DF_MODES): Or the mask not the bit number.
4431 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
4433 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
4435 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
4437 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
4439 * fixincludes (size_t): Add support for Motorola's stdlib.h
4440 which fails to provide a definition for size_t.
4441 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
4442 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
4443 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
4445 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
4446 prevent unresolved externals in libio.
4447 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
4449 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
4451 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
4452 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
4453 (LIB_SPEC): Updated for glibc 2.
4455 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
4457 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
4458 * ginclude/varargs.h: Likewise.
4460 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
4462 * version.c: Bump for snapshot.
4464 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
4466 * frame.h (__register_frame, __register_frame_table,
4467 __deregister_frame): New.
4468 * frame.c (__register_frame, __register_frame_table,
4469 __deregister_frame): New.
4470 * frame.c (__deregister_frame_info): Return void *.
4471 * frame.h (__deregister_frame_info): Ditto.
4472 * collect2.c (__deregister_frame_info): Ditto.
4474 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
4476 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
4478 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
4480 * alpha.c (alpha_cpu_name): New variable.
4481 (alpha_mlat_string): Likewise.
4482 (alpha_memory_latency): Likewise.
4483 (override_options): Handle -mmemory-latency.
4484 (alpha_adjust_cost): Adjust load cost for latency.
4485 * alpha.h (TARGET_OPTIONS): Add meory-latency.
4486 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
4487 TARGET_CIX into account.
4488 (MEMORY_MOVE_COST): Define in terms of memory_latency.
4489 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
4491 * alpha.h (ASM_COMMENT_START): New macro.
4493 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
4495 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
4496 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
4498 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
4499 SUBREG_REG if the word count is unchanged.
4500 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
4501 subregs of identical word size for push_reload.
4503 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
4505 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
4506 if all we're doing is dealing with -Wreturn-type.
4508 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
4510 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
4511 Use and 255 instead of zapnot 1, since it schedules better.
4513 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
4515 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
4518 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
4520 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
4521 dependency we delete. Properly update prev for multiple consecutive
4523 (priority): Skip deleted dependence.
4525 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
4527 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
4529 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
4531 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
4532 determining when a new basic block starts.
4534 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
4536 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
4537 * pa.md (iorsi3): Add missing args to *_operand calls.
4539 * except.c (call_get_eh_context): Don't mess with sequences.
4540 (emit_eh_context): Include the call in the sequence here.
4542 1997-12-11 Paul Eggert <eggert@twinsun.com>
4544 * collect2.c (write_c_file_glob): Allocate initial frame object
4545 in static storage and pass its address.
4547 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
4549 * except.c (call_get_eh_context): Don't take a parm.
4550 Put the call at the top of the function.
4551 (emit_eh_context): Adjust.
4552 (get_eh_context): Replace with former use_eh_context.
4553 (get_eh_context_once, get_saved_pc_ref): Remove.
4554 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
4556 * integrate.c (expand_inline_function): Adjust.
4557 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
4559 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
4561 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
4562 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
4564 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
4566 * fixincludes (strlen,strspn,strcspn return value): Handle different
4568 (hypot): Provide a fake for hypot which is broken on
4569 m88k-motorola-sysv3.
4571 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
4573 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
4574 tree_code_name from pointers to arrays.
4575 * tree.c: Remove standard_tree_code_* variables, no longer used.
4576 * print-tree.c: Remove declaration of tree_code_name.
4578 * cp/lex.c (init_lex): Update for tree_code_* changes.
4579 * objc/objc-act.c (init_objc): Likewise.
4581 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
4584 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
4586 * config.sub: Add support for BeOS target.
4587 * configure.in: Likewise.
4588 * ginclude/stdarg.h: Likewise.
4589 * ginclude/stddef.h: Likewise.
4590 * ginclude/varargs.h: Likewise.
4591 * rs6000/beos.h: New file for BeOS.
4592 * rs6000/t-beos: Likewise.
4593 * rs6000/x-beos: Likewise.
4594 * rs6000/xm-beos.h: Likewise.
4595 * toplev.c (get_run_time): Just return 0 on BeOS.
4597 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
4598 Toon Moene (toon@moene.indiv.nluug.nl)
4600 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
4601 old and broken Sun3 assemblers. Newer versions handle large
4602 offsets correctly as does the GNU assembler.
4604 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4606 * objc/objc-act.c (lang_report_error_function): Disable.
4607 * objc/objc-parse.y: Include "output.h".
4608 (yyerror): Remove redundant decl.
4609 (yyprint): Fix prototype.
4610 (apply_args_register_offset): Remove redundant decl.
4611 (get_file_function_name): Likewise.
4613 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
4615 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
4617 (find_basic_blocks_1): Likewise.
4619 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
4621 * except.c (use_eh_context): Don't copy_rtx a REG.
4622 (emit_throw): Lose old unwinder support.
4623 (expand_internal_throw): Likewise.
4624 * libgcc2.c (struct eh_context): Likewise.
4625 (new_eh_context): Likewise.
4626 (__get_eh_info): Lose redundant cast.
4627 (__get_dynamic_handler_chain): Likewise.
4628 (__get_saved_pc): Lose.
4629 Lose all old unwinder support code.
4631 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
4633 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
4635 * integrate.c (expand_inline_function): If the inline fn uses eh
4636 context, make sure that the current fn has one.
4637 * toplev.c (rest_of_compilation): Call emit_eh_context.
4638 * except.c (use_eh_context): New fn.
4639 (get_eh_context_once): New fn.
4640 (call_get_eh_context): New fn.
4641 (emit_eh_context): New fn.
4642 (get_eh_context): Call either get_eh_context_once or
4643 call_get_eh_context, depending on what we have.
4644 (get_dynamic_handler_chain): Call get_eh_context_once.
4645 * except.h: Prototypes for fns above.
4646 * optabs.c (get_eh_context_libfunc): Removed.
4647 (init_optabs): Don't initialize it.
4648 * expr.h (get_eh_context_libfunc): Removed.
4649 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
4650 * config/pa/pa.h (CPP_SPEC): Support for -threads.
4651 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
4652 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
4653 New multilib for -threads.
4654 * config/sparc/t-sol2: Added multilibs for -threads and
4655 made -pthreads alias to it.
4656 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
4657 Added -threads and -pthreads options.
4658 * libgcc-thr.h: New file.
4659 * libgcc2.c: (__get_cpp_eh_context): Removed.
4660 (struct cpp_eh_context): Removed.
4661 (struct eh_context): Replaced cpp_eh_context with generic language
4663 (__get_eh_info): New function.
4664 (__throw): Check eh_context::info.
4666 * libgcc2.c: Include libgcc-thr.h.
4667 (new_eh_context, __get_eh_context,
4668 eh_pthread_initialize, eh_context_initialize, eh_context_static,
4669 eh_context_specific, eh_context_free): New functions.
4670 (get_eh_context, eh_context_key): New variables.
4671 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
4672 get_eh_context to get the context.
4673 (longjmp): Move the declaration inside
4674 #ifdef DONT_USE_BUILTIN_SETJMP.
4675 * frame.c: Include libgcc-thr.h.
4676 (object_mutex): Mutex to protect the object list.
4677 (find_fde, __register_frame, __register_frame_table,
4678 __deregister_frame): Hold the lock while accessing objects.
4679 * except.h (get_eh_context): Declare.
4680 * except.c (current_function_ehc): Define.
4681 (current_function_dhc, current_function_dcc): Removed.
4682 (get_eh_context): New function.
4683 (get_dynamic_handler_chain): Use get_eh_context.
4684 (get_saved_pc_ref): Ditto.
4685 (get_dynamic_cleanup_chain): Removed references to
4686 current_function_dcc.
4687 (save_eh_status, restore_eh_status): Save and restore
4688 current_function_ehc instead.
4689 * optabs.c (get_eh_context_libfunc): New variable.
4690 (init_optabs): Initialize it.
4691 * expr.h: Declare get_eh_context_libfunc.
4692 * function.h (struct function): Replaced dhc and dcc with ehc.
4693 * except.c (get_saved_pc_ref): New functions.
4694 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
4695 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
4697 (end_eh_unwinder): Likewise.
4698 (init_eh): Remove initialization of eh_saved_pc.
4699 * optabs.c (get_saved_pc_libfunc): New variable.
4700 (init_optabs): Initialize it.
4701 * expr.h: Declare get_saved_pc_libfunc.
4702 * except.h (eh_saved_pc_rtx): Deleted.
4703 (get_saved_pc_ref): Declared.
4705 From Scott Snyder <snyder@d0sgif.fnal.gov>:
4706 * libgcc2.c (__get_saved_pc): New.
4707 (__eh_type, __eh_pc): Deleted.
4708 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
4709 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
4712 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
4714 * sparc/sol2.h: Use 64 bit multiply and divide functions in
4715 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
4718 * rtl.h (global_rtl): New variable, replacing separate variables for
4720 (const_int_rtx): Now array of rtx_def, not rtx.
4721 * emit-rtl.c: Update for new rtl data structures.
4722 * genattrtab.c: Define global_rtl.
4724 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
4726 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
4729 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
4731 * crtstuff.c (__do_global_ctors): Fix typo.
4733 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
4735 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
4736 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
4738 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
4740 * rs6000.h (FUNCTION_ARG_PADDING): Define.
4741 * rs6000.c (function_arg_padding): New function.
4743 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
4745 * m68k.c: Include tree.h only once.
4747 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4749 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
4751 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
4753 * Partially cleaned up prototyping code from HJ.
4754 * tree.h: Add many prototypes.
4755 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
4756 All references changed.
4757 * rtl.h: Protect from multiple inclusions. Add many prototypes.
4759 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
4761 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
4762 string functions like strlen.
4764 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
4766 * configure.in: Check for functions getrlimit and setrlimit.
4767 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
4768 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
4770 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
4772 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
4774 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
4776 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
4779 * alpha.c (override_options): Don't know about scheduling for EV6.
4780 * alpha.md (ev5 function units): Don't overload as ev6.
4782 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
4783 * alpha.md (define_attr type): Add mvi.
4784 (ev5_e0): Define sceduling parameters for it.
4785 (TARGET_MAX insns): Type is mvi not shift.
4787 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
4789 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
4791 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4793 * cstamp-h, auto-config.h: Delete.
4795 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
4797 * version.c: Bump for snapshot.
4799 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
4801 * cccp.c: Fix typo brought over in merge.
4803 * Merge in changes from gcc-2.8.
4805 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
4807 * m68k.c: Include tree.h for dwarf2out_cfi_label.
4809 * gcc.c (process_command): Do not take address of function fatal when
4810 calling lang_specific_driver.
4812 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
4814 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
4815 doesn't work with it yet, so set it to 0.
4816 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
4818 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
4820 * cse.c (cse_insn): Check for invalid entries when taking references.
4822 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4824 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
4825 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
4826 * toplev.c (rest_of_compilation): Pass it. Remove code to
4827 save / clear / restore flag_unroll_{,all_}loops.
4829 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
4831 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
4833 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
4835 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
4837 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
4839 * except.c (get_dynamic_handler_chain): Only make the call once per
4842 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
4844 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4846 * sh.c (final_prescan_insn): Use local label prefix
4847 when emitting .uses pseudo-ops.
4849 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
4851 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
4852 * except.c: Lose outer_context_label_stack.
4853 (expand_eh_region_end): Rethrow from outer_context here.
4854 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
4855 (expand_internal_throw): Take no args.
4856 (expand_internal_throw_indirect): Lose.
4857 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
4858 (expand_start_all_catch): Start a rethrow region.
4859 (expand_end_all_catch): End it.
4860 (expand_rethrow): New fn.
4861 * except.h: Reflect above changes.
4862 * flow.c: Revert change of Nov 27.
4864 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
4866 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
4868 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
4870 * except.c (expand_fixup_region_end): New fn.
4871 (expand_fixup_region_start): Likewise.
4872 (expand_eh_region_start_tree): Store cleanup into finalization here.
4873 * stmt.c (expand_cleanups): Use them to protect fixups.
4875 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
4877 * mips/mips.md (muldi3_r4000): Broaden the output template
4878 and attribute assignments to handle three operand dmult;
4879 rename to muldi3_internal2.
4880 (muldi3): Call the new muldi3_internal2 for R4000, and
4881 any GENERATE_MULT3 chip.
4883 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
4885 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
4887 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
4889 * unroll.c (find_splittable_givs): Remove last change. Handle givs
4890 with a dest_reg that was created by loop.
4892 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
4894 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
4896 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
4898 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
4900 * configure.in: Fix NCR entries.
4902 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
4904 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
4905 nested exceptions correctly.
4907 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
4908 that was created by loop.
4910 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
4912 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
4914 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
4916 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
4918 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
4919 (print_operand): Use SMALL_DATA_REG for the register involved in
4920 small data relocations.
4921 (print_operand_address): Ditto.
4923 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
4924 -dynamic linker is not used.
4926 * rs6000.md (call insns): For local calls, use @local suffix under
4927 System V. Don't use @plt under Solaris.
4929 * rs6000.c (output_function_profiler): Put label address in r0, and
4930 store LR in 4(sp) for System V/eabi.
4932 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
4933 byte boundary, and maintain stack backchain.
4935 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
4937 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
4938 fix_truncsfdi2): Change *.
4940 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
4942 * toplev.c (main): Complain about -gdwarfn.
4944 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
4946 * dwarfout.c (output_type): If finalizing, write out nested types
4947 of types we've already written.
4949 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
4951 (patches originally from Geoffrey Keating)
4952 * rs6000.c (function_arg): Excess floating point arguments don't
4953 go into GPR registers after exhausting FP registers under the
4955 (function_arg_partial_nregs): Ditto.
4957 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
4960 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
4962 * integrate.c (output_inline_function): Just unset DECL_INLINE.
4964 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
4966 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
4969 * libgcc2.c (__throw): Initialize HANDLER.
4971 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
4973 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
4974 fix_truncsfdi2): Change *X to ?*X.
4976 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
4978 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
4980 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
4982 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
4984 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
4986 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
4988 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
4990 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
4991 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
4994 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
4996 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
4997 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
4998 gas and not using the new HP assembler.
5000 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
5002 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
5003 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
5005 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
5007 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
5008 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
5011 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
5013 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
5015 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
5017 * except.h: Add outer_context_label_stack.
5018 * except.c: Likewise.
5019 (expand_start_all_catch): Push the outer_context for the try block
5020 onto outer_context_label_stack.
5021 (expand_end_all_catch): Use it and pop it.
5023 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
5025 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
5027 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
5029 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
5031 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
5033 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
5034 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
5036 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
5038 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
5039 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
5040 __builtin_delete, and __builtin_vec_delete.
5042 * except.c (output_exception_table): Don't bother with
5045 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
5047 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
5048 is an in/out operand.
5049 (zero extended variants of stwm/stwm patterns): Similarly.
5051 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
5053 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
5055 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
5057 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
5058 (output_call_frame_info): Emit a \n after using it.
5060 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
5062 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
5064 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
5066 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
5067 (ASM_OUTPUT_DWARF_VALUE4): New macro.
5068 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
5070 (output_call_frame_info): Do not output forward label differences
5071 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
5072 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
5074 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5076 * sh.md (attribute "type"): Add nil.
5077 (movsi_ie): y/y alternative is type nil.
5078 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
5080 (movsf_ie+1): Delete.
5082 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
5084 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
5085 large_int, emit two insns instead of one splitable insn.
5086 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
5087 from cfa_temp_value, use cfa_offset. Add assert checking that
5090 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
5092 * cccp.c (deps_output): Properly quote file names for make.
5094 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
5096 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
5098 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
5100 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
5102 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
5104 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
5106 (cse_end_of_basic_block): Similarly.
5108 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
5110 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
5111 (SELECT_RTX_SECTION): Define.
5112 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
5114 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
5116 * Makefile.in (compare, compare-lean): Define $stage for each
5118 (gnucompare, gnucompare-lean): Likewise.
5120 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
5122 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
5124 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
5125 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
5127 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
5129 * dwarfout.c (byte_size_attribute): Add local var upper_bound
5130 and add case to handle STRING_TYPE.
5131 * dwarfout.c (output_string_type_die): Fix code to generate
5132 correct string length attribute for fixed length strings.
5133 Still needs support for varying length strings.
5135 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
5137 * toplev.c (get_run_time): Do something sensible for cygwin32.
5139 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
5141 * expr.c (expand_builtin_setjmp): Set
5142 current_function_has_nonlocal_label.
5143 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
5144 call-saved registers across calls.
5146 * alpha.md (exception_receiver): Remove.
5147 (nonlocal_goto_receiver_osf): New
5148 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
5149 (nonlocal_goto_receiver): New, select _osf or _vms.
5151 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
5152 keep them from being propogated to the object file.
5153 (alpha_write_linkage): Likewise.
5154 * alpha.md (call_vms): Likewise.
5155 (call_value_vms): Likewise.
5156 (unnamed osf call insns): Likewise.
5158 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
5159 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
5161 * alpha.c (call_operand): Any reg is valid for WinNT.
5162 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
5163 (anon nt calls): Add 'R' alternative.
5164 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
5165 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
5167 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
5169 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
5171 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
5172 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
5173 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
5175 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
5177 * reload1.c (new_spill_reg): Improve fixed or forbidden register
5178 spill error message.
5180 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5182 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
5183 use varargs.h. Wrap header with <>, not "".
5185 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
5187 * integrate.c (save_for_inline_copying): Add return value from
5190 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
5192 * fixincludes: Be a little more restrictive on what we will
5193 substitute to replace definitions of MAXINT for HPUX.
5195 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
5197 * dbxout.c (dbxout_symbol_location): Don't assume that variables
5198 whose address is the stack or argument pointers are indirect
5201 1997-11-13 Paul Eggert <eggert@twinsun.com>
5203 * cccp.c, cpplib.c (compare_defs):
5204 Don't complain about arg name respellings unless pedantic.
5205 * cpplib.c (compare_defs): Accept pfile as new arg.
5206 All callers changed.
5208 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5210 * fold-const.c (fold_truthop): Fix bug in last change.
5212 1997-11-13 Paul Eggert <eggert@twinsun.com>
5214 Fix some confusion with IEEE minus zero.
5216 * real.h (REAL_VALUES_IDENTICAL): New macro.
5218 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
5219 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
5221 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
5222 same tree structure as 0.0.
5224 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
5225 macro instead of doing it by hand.
5227 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
5229 * v850/lib1funcs.asm: Minor whitespace changes.
5230 * v850.c: Fix minor formatting problems in many places.
5231 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
5233 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
5235 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
5236 xplus1 when xplus0 is not a register.
5238 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
5240 * flow.c (find_basic_blocks): During marking phase, if we encounter
5241 an insn with a REG_LABEL note, make the target block live and
5242 create an edge from the insn to the target block. Do not make
5243 edges from all blocks to the target block.
5245 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
5247 * confiugre.in: Tweak NCR entries.
5248 * configure: Rebuilt.
5250 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
5252 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
5253 pick apart floating point values, instead of using CONST_DOUBLE_LOW
5254 and CONST_DOUBLE_HIGH.
5256 * rs6000.md (define_splits for DF constants): Use the appropriate
5257 REAL_VALUE_* interface to pick apart DF floating point constants in
5258 a machine independent fashion.
5260 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5262 * fold-const.c (fold_truthop): When changing a one-bit comparison
5263 against zero into a comparison against mask, do a proper sign
5266 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
5268 * except.c: Do not include "assert.h".
5269 (save_eh_status): Turn asserts into conditional aborts.
5270 (restore_eh_status, scan_region): Likewise.
5271 * dwarfout.c: Do not include "assert.h".
5272 (bit_offset_attribute): Turn asserts into conditional aborts.
5273 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
5274 (output_inlined_structure_type_die): Likewise.
5275 (output_inlined_union_type_die): Likewise
5276 (output_tagged_type_instantiation): Likewise.
5277 (dwarfout_file_scope_decl): Likewise.
5278 * dwarf2out.c: Do not include "assert.h"
5279 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
5280 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
5281 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
5282 (add_bit_size_attribute, scope_die_for): Likewise.
5283 (output_pending_types_for_scope): Likewise.
5284 (get_inlined_enumeration_type_die): Likewise.
5285 (get_inlined_structure_type_die): Likewise.
5286 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
5287 (gen_tagged_type_instantiation_die): Likewise.
5289 * flow.c (find_basic_blocks): Refine further to get a more correct
5290 cfg, especially in the presense of exception handling, computed
5291 gotos, and other non-trivial cases. Call abort if an inaccuracy
5292 is detected in the cfg.
5294 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5296 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
5298 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
5299 (skip_white_space): Use whitespace_cr.
5300 (check_newline): Handle whitespace more consistently.
5302 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
5304 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
5305 * i386/xm-cygwin32.h (POSIX): Define.
5307 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
5309 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
5310 is available elsewhere.
5312 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
5314 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
5315 what the instruction can handle.
5317 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
5319 * stmt.c (expand_decl_cleanup_no_eh): New fn.
5321 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
5323 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
5325 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
5326 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
5328 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
5330 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
5331 swap instruction order.
5333 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
5335 * fixinc.svr4 (__STDC__): Add another case.
5337 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5339 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
5340 addresses in the epilogue delay slot.
5342 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
5344 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
5345 in generated `specs' file.
5347 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
5349 * flags.h (flag_rerun_loop_opt): Declare.
5350 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
5351 * toplev.c (flag_rerum_loop_opt): Delete static.
5353 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5355 Bring over from FSF:
5357 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5359 * va-sh.h (__va_arg_sh1): Define.
5361 SH3E doesn't use any integer registers for subsequent arguments
5362 once a non-float value was passed in the stack.
5363 * sh.c (machine_dependent_reorg): If optimizing, put explicit
5364 alignment in front label for ADDR_DIFF_VEC.
5365 * sh.h (PASS_IN_REG_P): Fix SH3E case.
5366 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
5368 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5370 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
5373 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5375 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
5376 put an use_sfunc_addr before each sfunc.
5377 * sh.md (use_sfunc_addr, dummy_jump): New insns.
5378 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
5380 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5382 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
5384 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
5386 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
5389 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
5391 * alias.c (find_base_value): Only return the known base value for
5394 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
5396 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
5397 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
5399 (prologue_get_pc_and_set_got): New pattern.
5401 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
5403 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
5404 for SUBREG, just fall through.
5406 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
5408 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
5410 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
5412 * fixincludes: Fix "hypot" prototype in NeXT math.h.
5414 * Makefile.in (USE_ALLOCA): Always include alloca.o.
5415 (USE_HOST_ALLOCA): Likewise.
5417 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
5418 and LABEL_REFS fields.
5419 * rtl.h (LABEL_REFS): Update.
5421 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
5423 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
5424 sets i2dest. When calling distribute_notes for i3dest_killed, pass
5425 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
5428 * mips.md (insv, extzv, extv): Add change_address call.
5429 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
5431 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
5433 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
5435 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
5436 save_restore_insns if no FP and GP will be restored.
5438 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
5439 Convert CCmode to word_mode before calling GET_MODE_SIZE.
5441 * acconfig.h (HAVE_INTTYPES_H): Undef.
5442 * configure.in (inttypes.h): Check for conflicts between sys/types.h
5443 and inttypes.h, and verify that intmax_t is defined.
5444 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
5445 * config/mips/x-iris3: Likewise.
5447 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
5449 * alias.c (find_base_value): When copying arguments, return the
5450 tenative value for a hard register.
5452 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
5454 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
5455 (yylex): Record wide strings using target endianness, not host.
5457 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
5459 * mn10200.h (ASM_OUTPUT_BSS): Delete.
5460 (ASM_OUTPUT_ALIGNED_BSS): New macro
5461 * mn10300.h (ASM_OUTPUT_BSS): Delete.
5462 (ASM_OUTPUT_ALIGNED_BSS): New macro.
5463 * v850.h (ASM_OUTPUT_BSS): Delete.
5464 (ASM_OUTPUT_ALIGNED_BSS): New macro.
5466 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5468 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
5470 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
5472 * configure.in (sco5): Use cpio to install header files.
5474 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
5476 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
5478 * configure: Rebuild.
5480 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
5482 * i386/sco5.h: enable -gstabs once again.
5484 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
5486 * arm.c (output_move_double): Allocate 3 entries in otherops array.
5488 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
5490 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
5491 notes for sjlj exceptions too.
5492 (expand_eh_region_end): Similarly for EH_REGION_END notes.
5493 (exception_optimize): Optimize EH regions for sjlj exceptions too.
5494 * final.c (final_scan_insn): Don't output labels for EH REGION
5495 notes if doing sjlj exceptions.
5497 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
5499 * alias.c (init_alias_analysis): Handle -fno-alias-check when
5500 optimizing correctly.
5502 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
5503 or set current_function_calls_setjmp anymore.
5505 * flow.c (find_basic_blocks): If we delete the label for an
5506 exception handler, remove it from the EH label list and remove
5507 the EH_BEGIN/EH_END notes for that EH region.
5509 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
5511 * flow.c (find_basic_blocks): Generate correct flow control
5512 information when exception handling notes are present.
5514 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
5516 * dwarf2out.c (output_call_frame_info): Fix length argument
5517 to ASM_OUTPUT_ASCII.
5518 (output_die, output_pubnames, output_line_info): Likewise.
5520 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
5522 * version.c: Bump for snapshot.
5524 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
5525 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
5526 flag_debug_asm is on.
5527 (output_die, output_pubnames, output_line_info): Likewise.
5529 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
5530 and static_chain_rtx into the potential base values array if
5533 * alias.c (new_reg_base_value): New array of potential base values.
5534 (unique_id): Now file scoped static.
5535 (find_base_value, case REG): Return the value in reg_base_value
5536 array for the REG if it exists. Else, return the value from
5537 new_reg_base_value if copying args and REG is a hard register.
5538 (find_base_value, case PLUS): If either operand of the PLUS is
5539 a REG, try to get its base value. Handle base + index and
5541 (record_set): Use new_reg_base_value instead of reg_base_value.
5542 (init_alias_analysis): Allocate space for new_reg_base_value too.
5543 Rework code to iterate over the insns propagating base value
5544 information until nothing changes.
5546 * global.c (global_alloc): Free the conflict matrix after
5547 reload has finished.
5549 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
5551 * libgcc2.c (L_eh): Define __eh_pc.
5552 Replace __eh_type with generic pointer __eh_info.
5554 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
5556 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
5557 use copy_to_reg if address is not a general_operand.
5559 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5561 * profile.c (output_func_start_profiler): Clear flag_inline_functions
5562 for the duration of the call to rest_of_compilation.
5564 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
5566 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
5568 (sparc*-*-*): Recognize --with-cpu=v9.
5569 * sparc/elf.h: New file.
5570 * sparc/t-elf: New file.
5572 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
5574 * mn10300.c (const_8bit_operand): New function.
5575 (mask_ok_for_mem_btst): New funtion.
5576 * mn10300.md (btst patterns with mem operands): Use new functions
5577 to avoid creating btst instructions with invalid operands.
5579 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
5581 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
5582 are running on PowerPC Linux.
5584 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
5586 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
5587 if not previously defined.
5589 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
5591 * function.c (assign_parms): Correct mode of stack_parm if
5592 entry_parm underwent a mode conversion.
5594 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
5596 * global.c (global_alloc): Use xmalloc instead of alloca for
5597 CONFLICTS, since max_allocno * allocno_row_words alone can be more
5598 than 2.5Mb sometimes.
5600 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
5602 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
5603 DEST for the spill, adjust mode of SRC to compensate.
5605 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
5607 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
5608 since any_memory_operand() allows pseudos during reload.
5609 (reload_inhi, reload_outqi, reload_outhi): Likewise.
5611 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
5613 * m68k.md (btst patterns): Add 5200 support.
5615 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
5617 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
5618 optimizations, look inside dividend to determine if the expression
5619 can be simplified by using EXACT_DIV_EXPR.
5621 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
5624 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
5626 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
5628 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
5630 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
5632 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
5635 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
5637 * alpha.md (movqi, movhi): Make sure new insns created during reload
5638 won't need reloading themselves.
5639 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
5641 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
5643 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
5645 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
5647 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
5648 Patch from Klaus Kaempf <kkaempf@progis.de>.
5650 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
5652 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
5653 to an element in a constant string.
5655 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
5657 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
5658 bit PC-relative offset. The exception range table pointer is now in
5660 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
5661 (count_fdes, add_fdes, get_cie): Adjust.
5662 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
5665 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
5667 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
5669 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
5670 like stack_pointer_rtx.
5672 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
5674 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
5675 targets using "$@" to provide support for similar but not identical
5676 targets without having to duplicate code.
5677 (bootstrap4): New goal.
5679 * Makefile.in (compare, compare-lean, compare3): Combined to one
5680 ruleset determining actions to be performed via $@.
5681 (compare4, compare4-lean): New targets.
5682 (gnucompare, gnucompare3): Combined to one ruleset determining
5683 actions to be performed via $@. Also, note which files failed
5684 the comparison test in .bad_compare.
5685 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
5687 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
5689 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
5690 if the dividend is a multiple of the divisor.
5692 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
5694 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
5696 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
5699 * alias.c (true_dependence): Fix typo.
5701 * toplev.c (flag_rerun_loop_opt): New variable.
5702 (f_options): Handle -frerun-loop-opt.
5703 (rest_of_compilation): If -frerun-loop-opt, then run the loop
5705 (main): Enable -frerun-loop-opt by default for -O2 or greater.
5707 * loop.c (simplify_giv_expr): Adding two invariants results
5710 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
5712 * expr.c (get_inner_reference): Remove the array bias after
5713 converting the index to Pmode.
5715 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
5717 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
5718 (TARGET_MULT_BUG): Define.
5719 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
5720 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
5722 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
5724 * mn10200.c (indirect_memory_operand): Delete unused function.
5725 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
5726 * mn10200.md (bset, bclr insns): Handle output in a reg too.
5728 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
5730 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
5731 the callee's ldgp, we must do it ourselves, and we use the jsr tag
5732 for more than scheduling.
5734 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
5736 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
5738 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
5740 * mn10300.c (symbolic_operand, legitimize_address): New functions.
5741 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
5742 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
5744 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
5746 * version.c: Bump for snapshot.
5748 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5750 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
5753 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
5755 * toplev.c (flag_exceptions): Default value is 2.
5756 (compile_file): If flag_exceptions still has the value 2, then
5759 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
5760 (rs6000_save_machine_status): Save pic_offset_table_rtx.
5761 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
5763 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
5766 * rs6000.md (*movsi_got_internal_mem): New pattern.
5767 (*movsi_got_internal_mem splitter): New define_split.
5769 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
5771 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
5773 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
5775 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
5776 only need to save LR.
5778 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
5780 * mn10300.md (movqi, movhi): Avoid using address registers as
5781 destinations unless absolutely necessary.
5783 * mn10200.c (expand_prologue): Fix typo.
5785 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
5787 * mn10200.md (neghi2): Provide an alternative which works if
5788 the input and output register are the same.
5790 * mn10300.c (print_operand): Handle 'S'.
5791 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
5792 shift amount in last alternative
5794 * mn10300.c (expand_epilogue): Rework to handle register restores
5795 in "ret" and "retf" instructions correctly.
5797 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
5799 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
5800 extzv for memory operands.
5802 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
5803 redundant conditional moves to single operand.
5805 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
5807 * v850.h: Move define of __v850__ from CPP_PREDEFINES
5810 * xm-v850.h: Use __v850 rather than __v850__ to
5813 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
5815 * mips/mips.c (compute_frame_size): Not a leaf function if
5818 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
5820 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
5822 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
5824 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
5825 (DEFAULT_ARCH32_P): New macro.
5826 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
5827 (enum cmodel): Declare.
5828 (sparc_cmodel_string,sparc_cmodel): Declare.
5829 (SPARC_DEFAULT_CMODEL): Provide default.
5830 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
5831 (TARGET_FULLANY): Deleted.
5832 (TARGET_CM_MEDMID): New macro.
5833 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
5834 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
5835 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
5836 (CPP_SPEC): Rewrite.
5837 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
5838 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
5839 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
5840 (ASM_SPEC): Add %(asm_arch).
5841 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
5842 Rename asm_default to asm_cpu_default.
5843 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
5844 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
5845 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
5846 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
5847 (MASK_INT64,MASK_LONG64): Delete.
5848 (MASK_ARCH64): Renamed to MASK_64BIT.
5849 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
5850 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
5851 (TARGET_SWITCHES): Always provide 64 bit options.
5852 (ARCH64_SWITCHES): Delete.
5853 (TARGET_OPTIONS): New option -mcmodel=.
5854 (INT_TYPE_SIZE): Always 32.
5855 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
5856 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
5857 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
5858 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
5859 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
5861 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
5862 * sparc/linux.h: Likewise.
5863 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
5864 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
5865 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
5866 (SPARC_DEFAULT_CMODEL): Define.
5867 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
5868 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
5869 (LONG_DOUBLE_TYPE_SIZE): Define.
5870 (ASM_SPEC): Add %(asm_arch).
5871 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
5872 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
5873 (TARGET_CPU_DEFAULT): Add ultrasparc case.
5874 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
5875 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
5876 (SPARC_DEFAULT_CMODEL): Define.
5877 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
5878 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
5879 MASK_LONG64, MASK_MEDANY.
5880 (SPARC_DEFAULT_CMODEL): Define.
5881 (CPP_PREDEFINES): Delete.
5882 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
5883 (ASM_SPEC): Add %(asm_arch).
5884 (LONG_DOUBLE_TYPE_SIZE): Define.
5885 (DWARF2_DEBUGGING_INFO): Define.
5886 * sparc/splet.h (CPP_SPEC): Delete.
5887 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
5888 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
5889 (BLOCK_PROFILER): Likewise.
5890 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
5891 (sparc_override_options): Handle code model selection.
5892 (sparc_init_expanders): Renamed from sparc64_init_expanders.
5893 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
5894 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
5895 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
5896 (sethi_di_fullany): Delete.
5898 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
5899 Jeff Law <law@cygnus.com>
5900 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5902 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
5903 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
5904 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
5905 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
5906 * alpha/alpha.md (arg_home): Likewise.
5908 * alpha/alpha.c (vmskrunch): Delete
5909 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
5910 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
5911 truncate to 64 characters.
5913 * make-l2.com: Support openVMS/Alpha.
5915 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
5917 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5919 * longlong.h (count_leading_zeros): Add missing casts to USItype.
5921 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
5923 * i386/bsd386.h (ASM_COMMENT_START): Define.
5925 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
5927 * tree.c (restore_tree_status): Also free up temporary storage
5928 when we finish a toplevel function.
5929 (dump_tree_statistics): Print stats for backend obstacks.
5931 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
5933 * expr.c (use_group_regs): Don't call use_reg for MEMs.
5935 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
5937 * libgcc2.c (__throw): Don't copy the return address.
5938 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
5940 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
5941 * toplev.c (main): Initialize exceptions_via_longjmp.
5943 * tree.c: Add extra_inline_obstacks.
5944 (save_tree_status): Use it.
5945 (restore_tree_status): If this is a toplevel inline obstack and we
5946 didn't want to save anything on it, recycle it.
5947 (print_inline_obstack_statistics): New fn.
5948 * function.c (pop_function_context_from): Pass context to
5949 restore_tree_status.
5950 * obstack.h (obstack_empty_p): New macro.
5952 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
5954 * i386/freebsd.h (ASM_COMMENT_START): Fix.
5956 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
5958 * v850.c (ep_memory_offset): New function.
5959 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
5961 * v850.h (CONST_OK_FOR_*): Add and correct comments.
5962 (CONSTANT_ADDRESS_P): Add comment.
5963 (EXTRA_CONSTRAINT): Define 'U'.
5964 * v850.md: Add comments on bit field instructions.
5965 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
5966 (lshrsi3): Use N not J constraint.
5968 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
5970 * v850.c (reg_or_0_operand): Call register_operand.
5971 (reg_or_int5_operand): Likewise.
5972 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
5973 (TARGET_SWITCHES): Add "big-switch".
5974 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
5975 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
5976 (CASE_DROPS_THROUGH): Comment out.
5977 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
5978 * v850.md (cmpsi): Delete compare mode.
5979 (casesi): New pattern.
5981 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
5982 * v850.md (ashlsi3): Use SImode not QImode for shift count.
5983 (lshrsi3): Likewise.
5985 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
5986 unreachable switch statement after 'b' support. Remove "b" from
5987 strings for 'b' support.
5988 * v850.md (branch_normal, branch_invert): Change %b to b%b.
5990 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
5992 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
5993 empty line if @inhibit_libc@ is empty.
5995 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
5997 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
5998 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
5999 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
6000 (DWARF2_UNWIND_INFO): Let this track object file format.
6001 (EXTRA_SECTIONS): Add in_eh.
6002 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
6003 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
6005 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
6007 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
6008 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
6010 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
6011 (output_double_int): Output DI mode values correctly when
6012 HOST_BITS_PER_WIDE_INT is 64.
6013 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
6014 fmovd so it works if a quad float ends up in one of the upper 32
6016 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
6017 necessary for PIC support on sparc64.
6019 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
6021 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
6022 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
6023 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
6024 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
6025 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
6026 (SPARC_FP_ARG_FIRST): New macro.
6027 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
6028 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
6029 (NPARM_REGS): There are 32 fp argument registers now.
6030 (FUNCTION_ARG_REGNO_P): Likewise.
6031 (FIRST_PARM_OFFSET): Update to new v9 abi.
6032 (REG_PARM_STACK_SPACE): Define for arch64.
6033 (enum sparc_arg_class): Delete.
6034 (sparc_arg_count,sparc_n_named_args): Delete.
6035 (struct sparc_args): Redefine and use for arch32 as well as arch64.
6036 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
6037 (FUNCTION_ARG_ADVANCE): Rewrite.
6038 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
6039 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
6040 (FUNCTION_ARG_CALLEE_COPIES): Delete.
6041 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
6042 (STRICT_ARGUMENT_NAMING): Define.
6043 (doublemove_string): Declare.
6044 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
6045 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
6046 (doublemove_string): New function.
6047 (output_move_quad): Clean up some of the arch64 support.
6048 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
6049 Don't add 8 bytes of reserved space if arch64.
6050 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
6051 (init_cumulative_args): New function.
6052 (function_arg_slotno): New static function.
6053 (function_arg,function_arg_partial_nregs): New functions.
6054 (function_arg_{pass_by_reference,advance}): New functions.
6055 (function_arg_padding): New function.
6056 * ginclude/va-sparc.h: Rewrite v9 support.
6058 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
6060 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
6061 for hard regs to determine base and index registers.
6063 * reload.c (debug_reload_to_stream): New function. Specify stream
6064 into which to write debug info.
6065 (debug_reload): Modify to call debug_reload_to_stream with stderr.
6067 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
6069 * combine.c (can_combine_p): Don't combine with an asm whose
6070 output is a hard register.
6072 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
6074 * c-decl.c (start_struct): Ensure that structs with forward
6075 declarations are in fact packed when -fpack-struct is given.
6077 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
6078 we are packing a structure. This allows a structure with only
6079 bytes to be aligned on a byte boundary and have no padding on a
6082 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6084 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
6086 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
6088 * alpha.c (alpha_return_addr_rtx): New variable.
6089 (alpha_save_machine_status): New; save it.
6090 (alpha_restore_machine_status): New; restore it.
6091 (alpha_init_expanders): New; clear it.
6092 (alpha_return_addr): New; set it.
6093 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
6094 is overly conservative, so search the insns explicitly.
6095 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
6096 (alpha_sa_size [VMS && !VMS]): Likewise.
6097 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
6098 (INIT_EXPANDERS): New definition.
6100 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
6101 (output_prolog [!VMS]): Use them.
6103 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
6104 (alpha_does_function_need_gp): ... a new function. Refine the
6105 CALL_INSN test to just TYPE_JSR.
6106 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
6108 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
6110 * version.c: Bump for snapshot.
6112 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6114 * pa.c (move_operand): Respect -mdisable-indexing.
6115 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
6117 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
6119 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
6121 (umulsidi3,umulsi3_highpart): Ditto.
6122 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
6124 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
6126 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
6127 (alpha_handle_trap_shadows): ... a new function. Handle the entire
6128 function in one go. Emit RTL for trapb, instead of printf directly.
6129 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
6130 (trap_pending): Kill global variable.
6131 (output_epilog): Don't call final_prescan_insn.
6132 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
6133 * alpha.h (FINAL_PRESCAN_INSN): Remove.
6134 (MACHINE_DEPENENT_REORG): Define.
6135 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
6138 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
6140 Tune Haifa scheduler for Alpha:
6141 * alpha.h (ISSUE_RATE): Define.
6142 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
6143 EV4 adjustments to EV5.
6144 * alpha.md: Remove all scaling from function unit delays. Rework
6145 EV5 function units to match the CPU.
6146 (umuldi3_highpart): EV5 added the IMULH insn class.
6148 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
6150 * pa.c (following_call): Fail if the CALL_INSN is an indirect
6153 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
6155 * cplus-dem.c (demangle_signature): Don't look for return types on
6156 constructors. Handle member template constructors.
6158 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
6160 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
6161 * tree.h: Declare them.
6163 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
6165 * configure.in: Handle --with-newlib.
6166 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
6168 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
6170 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
6172 * config/ptx4.h: Fix typo.
6174 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
6176 * version.c: Bump for snapshot.
6178 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
6180 * aclocal.m4: Substitute INSTALL.
6181 * configure: Re-built.
6183 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
6185 * integrate.c (save_for_inline_copying): Avoid undefined pointer
6187 (expand_inline_function): Likewise.
6189 * dwarf2out.c (output_call_frame_info): Reinstate last change
6190 using flag_debug_asm check instead of flag_verbose_asm.
6192 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
6194 * dwarf2out.c (output_call_frame_info): Remove last change.
6196 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6198 * frame.c (__frame_state_for): Execute the FDE insns until the
6199 current pc value is strictly bigger than the target pc value.
6201 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
6203 * regclass.c (init_reg_modes): If we can't find a mode for the
6204 register, use the previous one.
6206 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
6208 * haifa-sched.c (print_block_visualization): Call fprintf directly,
6209 don't sprintf through an alloca'ed buffer.
6211 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
6213 * reload.c (decompose): Always initialize val.base.
6215 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
6217 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
6218 instead of aborting.
6219 * dwarf2out.c (output_call_frame_info): Call app_enable and
6220 app_disable to let GNU as accept the generated comments.
6222 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
6224 * tree.h (get_file_function_name): Add declaration.
6225 * dwarf2out.c (output_call_frame_info): No need to cast
6226 get_file_function_name call anymore.
6227 * profile.c (toplevel): Remove get_file_function_name
6229 * c-lang.c (finish_file): Ditto.
6231 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
6233 * Makefile.in (program_transform_name): Let autoconf substitute
6236 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
6238 * haifa-sched.c (schedule_block): If the first real insn in a
6239 block has any special notes attached to it, remove them.
6241 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
6243 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
6245 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
6247 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
6249 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
6251 * Makefile.in (check-g77): New test target.
6252 (CHECK-TARGETS): Add check-g77.
6254 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
6256 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
6258 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
6260 * flow.c (print_rtl_with_bb): Cast alloca return value for
6263 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
6265 * i386.h (RETURN_ADDR_RTX): New definition that works for
6266 __builtin_return_address(0) and -fomit-frame-pointer.
6268 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
6270 Bring over from FSF.
6271 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
6273 * mips.c (function_arg): Handle passing a struct
6274 containing a double in a DFmode register without the PARALLEL.
6276 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
6278 * pexecute.c: Use spawn if __CYGWIN32__.
6280 * pexecute.c: Include "config.h" first, as per autoconf manual
6281 (from Paul Eggert <eggert@twinsun.com>).
6283 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
6285 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
6286 optimisation for f/expr.o and f/stb.o.
6288 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
6290 * cse.c (this_insn_cc0_mode): Initialize.
6292 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
6294 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
6296 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
6298 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
6300 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
6301 that pair will dual-issue on the 21164 and plus+beq won't.
6302 (bne): Likewise for cmpeq+beq.
6304 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
6306 * except.c (find_exception_handler_labels): Correct argument to free.
6308 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
6310 * except.c (find_exception_handler_labels): Free LABELS when we're
6313 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
6315 * version.c: Bump for snapshot.
6317 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
6319 * flow.c (find_basic_blocks): Mark calls as potentially jumping
6322 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
6324 * configure.in: Substitute for "install" too.
6325 * configure: Rebuilt.
6327 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
6329 * Makefile.in (bootstrap-lean, compare-lean): New targets.
6331 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
6333 * alias.c (base_alias_check): Two symbols can conflict if they
6334 are accessed via AND.
6335 (memrefs_conflict_p): Likewise.
6337 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
6338 after flushing argument registers to the stack.
6340 * Makefile.in (mostlyclean): Remove .regmove files.
6342 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
6344 * libgcc2.c (__throw): Fix thinko.
6346 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
6348 * cplus-dem.c (demangle_template): Add new parameter. Handle new
6349 template-function mangling.
6350 (consume_count_with_underscores): New function.
6351 (demangle_signature): Handle new name-mangling scheme.
6353 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
6355 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
6358 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
6360 * frame.c: Remove last change.
6361 * dwarf2.h: Remove last change.
6362 * tree.h: Add declarations of DWARF2 unwind info support
6365 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
6367 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
6368 * tree.h (built_in_function): Likewise.
6369 * expr.c (expand_builtin): Likewise.
6370 * except.h: Likewise.
6371 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
6372 * libgcc2.c (copy_reg): New fn.
6375 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
6377 * c-typeck.c (build_binary_op): Warn about comparing signed vs
6378 unsigned if -W is specified and -Wno-sign-compare is not.
6379 * c-decl.c (warn_sign_compare): Initialize to -1.
6380 (c_decode_option): -Wall no longer implies -Wsign-compare.
6382 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6384 * frame.c: Include gansidecl.h for PROTO.
6385 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
6386 defined. Don't declare dwarf2out_cfi_label here.
6387 * dwarf2.h: Add declarations of DWARF2 unwind info support
6389 * m68k.c: Include dwarf2.h.
6390 (output_function_prologue): Add dwarf2 support.
6391 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
6392 (INCOMING_FRAME_SP_OFFSET): Likewise.
6394 * integrate.c (expand_inline_function): Make sure there is at
6395 least one insn that can be used as an insertion point.
6397 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
6399 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
6401 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
6403 * version.c: Bump for snapshot.
6405 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
6407 Bring over from FSF.
6409 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
6411 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
6412 (get_pc_via_rdpc): Renamed from get_pc_sp64.
6413 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
6415 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
6417 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
6418 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
6420 (sparc_align_{loops,jumps,funcs}_string): Declare.
6421 (sparc_align_{loops,jumps,funcs}): Declare.
6422 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
6423 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
6424 (STACK_BIAS): Define.
6425 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
6427 (SPARC_SETHI_P): New macro.
6428 (CONST_OK_FOR_LETTER_P): Use it.
6429 (ASM_OUTPUT_ALIGN_CODE): Define.
6430 (ASM_OUTPUT_LOOP_ALIGN): Define.
6431 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
6432 (sparc_align_{loops,jumps,funcs}): New globals.
6433 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
6435 (move_operand): Use SPARC_SETHI_P.
6436 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
6438 (arith11_double_operand): Likewise.
6439 (arith10_double_operand): Likewise.
6440 (finalize_pic): Finish sparc64 support.
6441 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
6442 64 bit constants if able.
6443 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
6444 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
6446 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
6447 (get_pc_sp32): Use for sparc64 as well.
6448 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
6449 (sethi_di_sp64_const): Likewise.
6450 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
6451 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
6452 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
6454 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
6456 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
6457 * sparc/linux.h (COMMENT_BEGIN): Likewise.
6458 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
6460 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
6462 Add sparc64 linux support.
6463 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
6464 to xm_file list on 32-bit sparc-linux.
6465 * sparc/xm-sp64.h: New file.
6466 * sparc/linux64.h: New file.
6467 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
6468 Don't include xm-sparc.h.
6469 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
6470 * glimits.h (LONG_MAX): Handle sparc64.
6472 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
6474 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
6475 * sparc.h (ASM_COMMENT_START): Define.
6476 * sparc.c (output_function_prologue): Use it.
6477 (sparc_flat_output_function_{epi,pro}logue): Likewise.
6479 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
6481 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
6482 use sparc.h's copies.
6483 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
6486 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6488 * sparc.c (dwarf2out_cfi_label): Add declaration.
6489 (save_regs, output_function_prologue): Remove cast for it.
6490 (sparc_flat_{save_restore,output_function_prologue): Likewise.
6491 ({save,restore}_regs): No longer inline.
6493 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6495 * fold-const.c (make_range): Correctly handle cases of converting
6496 from unsigned to signed type.
6498 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6500 * fold-const.c (merge_ranges): Make sure that if one range is subset
6501 of another, it will always be the second range. Correct (+,-) case to
6504 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
6506 * final.c (final_end_function): Also do dwarf2 thing if
6507 DWARF2_DEBUGGING_INFO.
6508 (final_start_function): Likewise.
6510 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
6512 * expmed.c (expand_divmod): If compute_mode is not the same as
6513 mode, handle the case where convert_modes() causes op1 to no
6514 longer be a CONST_INT.
6516 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
6517 note holding get_jump_flags() calculation to all JUMP_INSNs.
6518 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
6519 * rtl.c (reg_note_name): Add new note types.
6521 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
6523 * rtlanal.c (computed_jump_p): Fix typo in last change.
6525 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6527 * loop.c (indirect_jump_in_function_p): Return 0
6530 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
6532 * rs6000/xm-rs6000.h: Fix thinko in last change.
6533 * rs6000/xm-sysv4.h: Likewise.
6535 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
6537 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
6539 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
6541 * reg-stack.c (find_blocks): Fix thinko in last change.
6543 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6545 * m68k.c (output_function_prologue): Add dwarf2 support.
6547 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
6548 INCOMING_FRAME_SP_OFFSET): New definitions.
6550 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
6552 * combine.c (try_combine): Use NULL_RTX instead of '0' where
6553 appropriate in calls to gen_rtx().
6554 * cse.c (cse_main): Likewise.
6555 * emit-rtl.c (gen_label_rtx): Likewise.
6556 * expr.c (init_expr_once): Likewise.
6557 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
6558 sched_analyze, init_rgn_data_dependences,
6559 compute_block_backward_dependences): Likewise.
6560 * sched.c (schedule_insns): Likewise.
6561 * varasm.c (immed_double_const): Likewise.
6563 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
6564 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
6566 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
6568 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
6569 (MULTILIB_DEFAULTS): Define.
6570 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
6571 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
6572 (LIBGCC_SPEC): Likewise.
6573 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
6574 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
6575 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
6576 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
6577 (EXTRA_PARTS, TAROUTOPTS): Delete.
6578 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
6579 (MULTILIB_OPTIONS): Define.
6580 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
6581 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
6583 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
6585 * version.c: Bump for snapshot.
6587 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
6589 * loop.c (loop_number): Delete function. Change all references
6590 to use uid_loop_num array.
6591 * loop.h (loop_number): Delete declaration.
6592 * unroll.c (unroll_loop): Change "loop_number" references to
6593 use uid_loop_num instead.
6595 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
6597 (loop_unroll_iter): Remove unused variable and all references.
6598 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
6599 (insert_bct): Fix minor formatting problems.
6600 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
6601 (loop_unroll_iter): Removed unused decl.
6602 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
6603 Always record the unrolling factor.
6605 * cse.c (simplify_relational_operation): Set h0u just like h0s.
6606 Similarly for h1u and h1s.
6608 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
6609 (find_basic_blocks): Use computed_jump_p to determine if a
6610 particular JUMP_INSN is a computed jump.
6611 * reg-stack.c (find_blocks): Use computed_jump_p to determine
6612 if a particular JUMP_INSN is a computed jump.
6613 * rtlanal.c (jmp_uses_reg_or_mem): New function.
6614 (computed_jump_p): Likewise.
6615 * rtl.h (computed_jump_p): Declare.
6616 * genattrtab.c (pc_rtx): Define and initialize.
6617 * loop.c (loop_optimize): Always determine if the current
6618 function has a computed jump.
6619 (indirect_jump_in_function_p): Use computed_jump_p to determine
6620 if a particular JUMP_INSN is a computed jump.
6622 * loop.c (fix_bct_param): Delete unused function.
6623 (check_bct_param): Likewise.
6625 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
6627 * frame.c (__deregister_frame): Check properly for initialized object.
6629 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6631 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
6633 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6635 * jump.c (thread_jumps): check can_reverse_comparison_p before
6636 threading a reversed-condition jump.
6638 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
6639 * haifa-sched.c (update_flow_info): Likewise.
6641 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
6643 * Makefile.in (BOOT_CFLAGS): Use -O2.
6645 * configure.in (strtoul, bsearch): Have autoconf check for these
6647 * configure, config.in: Rebuilt.
6649 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
6650 * mips/mips.h (alloca): Likewise.
6651 * rs6000/xm-rs6000.h (alloca): Likewise.
6652 * rs6000/xm-sysv4.h: Likewise.
6654 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
6656 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
6657 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
6658 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
6660 * except.c (end_eh_unwinder): Subtract 1 from return address.
6661 * libgcc2.c (__throw): Likewise.
6662 (find_exception_handler): Don't change PC here. Compare end with >.
6664 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
6666 * v850.c (compute_register_save_size): Correct register
6668 * v850.md (save_interrupt, return_interrupt): Correct
6670 * v850/lib1funcs.asm (save_interrupt): Correct register number.
6671 (return_interrupt): Use stack pointer, not element pointer.
6673 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
6675 * configure.in, configure: Make sure to create the stage* and include
6676 symbolic links in each subdirectory.
6678 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
6680 * pa.md (reload_peepholes): Don't allow addresses with side
6681 effects for the memory operand.
6683 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
6685 * libgcc2.c (find_exception_handler): Subtract one from our PC when
6686 looking for a handler, to avoid hitting the beginning of the next
6689 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
6691 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
6693 * mips/abi64.h (LONG_MAX_SPEC): Define.
6694 * mips.h (LONG_MAX_SPEC): Define.
6695 (CPP_SPEC): Include long_max_spec.
6696 (EXTRA_SPECS): Include long_max_spec.
6698 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
6700 * v850.c (construct_save_jarl): Fix thinko in last change.
6702 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
6704 * version.c: Bump for snapshot.
6706 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
6708 * libgcc2.c (find_exception_handler): Not found is -1.
6710 * integrate.c (expand_inline_function): Move expand_start_bindings
6711 after expanding the arguments.
6713 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
6715 * expr.c (expand_expr): Remove previous incorrect change.
6716 If target and slot has no DECL_RTL, then call mark_addressable
6717 again for the slot after we give it RTL.
6719 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
6721 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
6722 again for the slot after we give it RTL.
6724 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
6726 * v850.c (register_is_ok_for_epilogue,
6727 pattern_is_ok_for_epilogue, construct_restore_jr,
6728 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
6730 * v850.h (pattern_is_ok_for_prologue,
6731 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
6734 * v850.md: Replace prologue and epilogue patterns with a
6735 match_parallel pattern.
6737 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
6739 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
6740 * configure.in: Use EGCS_PROG_INSTALL.
6742 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
6744 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
6745 extern inline function.
6747 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
6749 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
6750 (concat_loc_descriptor): New function.
6751 (loc_descriptor): Call it.
6752 (add_AT_location_description): Also elide the descriptor if both
6753 halves of a CONCAT are pseudos.
6754 (add_location_or_const_value_attribute): Recognize CONCAT too.
6756 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
6758 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
6760 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
6761 out-or-range reg_offset.
6762 (output_epilog): Likewise.
6764 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
6766 * cse.c (simplify_relational_operation): If MODE specifies a
6767 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
6768 is derived from the sign bit of the low word.
6770 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
6772 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
6774 * dwarf2.h: Add DW_CFA_GNU_args_size.
6775 * frame.c (execute_cfa_insn): Likewise.
6776 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
6777 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
6778 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
6779 insn, hand it off to dwarf2out_stack_adjust.
6780 (dwarf2out_begin_prologue): Initialize args_size.
6781 * frame.h (struct frame_state): Add args_size.
6782 * libgcc2.c (__throw): Use args_size.
6783 * final.c (final_scan_insn): If we push args, hand off all insns
6784 to dwarf2out_frame_debug.
6785 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
6787 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
6788 Handle epilogue restore of SP from FP.
6789 * emit-rtl.c (gen_sequence): Still generate a sequence if the
6790 lone insn has RTX_FRAME_RELATED_P set.
6792 * frame.c (extract_cie_info): Handle "e" augmentation.
6793 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
6794 absence of UNALIGNED_*_ASM_OP.
6795 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
6796 (output_call_frame_info): Use "e" instead of "z" for augmentation.
6797 Don't emit augmentation fields length.
6798 (dwarf2out_do_frame): Move outside of #ifdefs.
6799 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
6802 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
6803 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
6804 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
6805 * sparc/sun4gas.h: New file.
6806 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
6808 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
6809 __register_frame_table and __deregister_frame.
6811 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
6813 * except.c (find_exception_handler_labels): Use xmalloc instead of
6814 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
6817 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
6819 * Makefile.in: Various changes to build info files
6820 in the object tree rather than the source tree.
6822 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
6824 * fixinc.math: New file to fix math.h on some systems.
6825 * configure.in (freebsd, netbsd): Use fixinc.math on these
6827 * configure: Rebuilt.
6829 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
6831 * regmove.c (regmove_optimize): If we end up moving the
6832 original insn due to lifetime overlaps, make sure to move
6835 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
6837 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
6839 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
6841 * haifa-sched.c (add_branch_dependences): Make each insn in
6842 a SCHED_GROUP_P block explicitly depend on the previous insn.
6844 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
6846 * except.h: Prototype dwarf2 hooks.
6849 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
6851 * configure.in (native_prefix): Delete.
6852 (mips-dec-netbsd): Don't set prefix.
6853 (*linux*): Don't set prefix.
6855 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
6857 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
6858 defined. If not defined, include <sys/varargs.h> if
6859 HAVE_SYS_VARARGS_H is defined.
6860 * configure.in: Test for varargs.h and sys/varargs.h.
6861 * configure: Regenerate with autoconf.
6862 * config.in: Regenerate with autoheader.
6864 * cpplib.c (quote_string): Cast first arg of sprintf call
6865 from "unsigned char *" to "char *".
6866 (output_line_command): Ditto.
6867 (macroexpand): Ditto.
6868 (do_line): Cast atoi arg from "unsigned char *" to "char *".
6870 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
6872 * version.c: Bump for snapshot.
6874 * Makefile.in (compare): Exit with nonzero status if there
6875 are comparison failures. Note which files failed the
6876 comparison test in .bad_compare.
6878 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6880 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
6882 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
6884 * Makefile.in (LN, LN_S): New macros, use where appropriate.
6885 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
6886 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
6887 * configure: Regenerated.
6889 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
6891 * loop.c (strength_reduce): Fix typo.
6893 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
6895 * m88k/m88k.c (struct option): Rename to struct options.
6896 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
6897 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
6898 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
6899 __DOLPHIN__ or sysV88.
6901 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
6903 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
6906 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
6908 * config.sub: Accept 'amigados' for backward compatability.
6910 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6912 * Makefile.in (testsuite/site.exp): New target.
6913 (check-gcc, check-g++): Depend on testsuite/site.exp.
6914 Don't stop for failure.
6916 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
6918 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
6919 if DWARF2_UNWIND_INFO.
6921 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
6923 Add support for exception handling using DWARF 2 frame unwind info.
6924 Currently works on SPARC and MIPS, and almost on x86.
6926 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
6927 next_stack_level, in_reg_window): Helper fns.
6928 (__throw): Implement for DWARF2_UNWIND_INFO.
6930 * expr.c (expand_builtin): Handle builtins used by __throw.
6931 * tree.h (enum built_in_function): Add builtins used by __throw.
6932 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
6933 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
6934 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
6935 (expand_builtin_extract_return_addr): Likewise.
6936 (expand_builtin_frob_return_addr): Likewise.
6937 (expand_builtin_set_return_addr_reg): Likewise.
6938 (expand_builtin_eh_stub): Likewise.
6939 (expand_builtin_set_eh_regs): Likewise.
6940 (eh_regs): Choose two call-clobbered registers for passing back values.
6942 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
6943 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
6944 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
6945 (stmp-multilib): Likewise.
6946 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
6948 * except.c: #include "defaults.h".
6949 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
6950 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
6951 (register_exception_table_p): New fn.
6952 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
6953 (end_eh_unwinder): Likewise.
6955 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
6956 call __register_frame and __deregister_frame as needed.
6957 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
6958 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
6959 EH_FRAME_SECTION_ASM_OP.
6960 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
6961 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
6962 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
6964 * dwarf2out.c (output_call_frame_info): If no support for
6965 EXCEPTION_SECTION, mark the start of the frame info with a
6967 * collect2.c (frame_tables): New list.
6968 (is_ctor_dtor): Recognise frame entries.
6969 (scan_prog_file): Likewise.
6970 (main): Pass -fno-exceptions to sub-compile. Also do collection
6971 if there are any frame entries.
6972 (write_c_file_stat): Call __register_frame_table and
6973 __deregister_frame as needed.
6974 (write_c_file_glob): Likewise.
6976 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
6977 Also require unaligned reloc support.
6978 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
6979 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
6980 * sparc/sysv4.h: Not here.
6982 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
6983 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
6984 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
6986 * libgcc2.c (L_eh): Reorganize, moving code shared by different
6987 EH implementations to the top.
6988 (find_exception_handler): Split out. Start from 0. Compare against
6990 (__find_first_exception_table_match): Use it.
6991 * except.c (output_exception_table): Don't do anything if there's
6992 no table. Don't output a first entry of zeroes.
6993 (eh_outer_context): Adjust properly.
6994 (add_eh_table_entry): Use xrealloc.
6995 * toplev.c (compile_file): Just call output_exception_table.
6997 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
6999 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
7001 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
7003 * except.c (eh_outer_context): Do masking using expand_and.
7005 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
7007 Add port done awhile ago for the ARC cpu.
7008 * arc/arc.h: New file.
7009 * arc/arc.c: New file.
7010 * arc/arc.md: New file.
7011 * arc/initfini.c: New file.
7012 * arc/lib1funcs.asm: New file.
7013 * arc/t-arc: New file.
7014 * arc/xm-arc.h: New file.
7015 * ginclude/va-arc.h: New file.
7016 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
7017 * ginclude/varargs.h: Likewise.
7018 * Makefile.in (USER_H): Add va-arc.h.
7019 * configure.in (arc-*-elf*): Recognize.
7020 * longlong.h: Add ARC support.
7022 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
7024 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
7025 when clearing non-BLKmode data.
7027 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
7029 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
7030 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
7032 * xm-m88k.h (USG): Only define if it hasn't already been defined.
7034 * Makefile.in (risky-stage1): Delete gratutious whitespace.
7036 * Makefile.in (clean): Delete libgcc1-test.
7038 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
7040 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
7042 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
7045 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7047 * dwarf2out.c (output_call_frame_info): Call named_section.
7049 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
7051 * haifa-sched.c (print_value): Fix last change.
7053 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
7055 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
7058 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
7060 * mips.c (function_prologue): Set up the CFA when ABI_32.
7062 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
7063 for dwarf2 unwind info.
7064 (output_function_prologue, sparc_flat_output_function_prologue): Same.
7066 * final.c (final_end_function): Check dwarf2out_do_frame instead
7067 of DWARF2_DEBUG for dwarf2 unwind info.
7068 (final_scan_insn): Likewise.
7069 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
7072 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
7075 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
7077 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
7079 * v850.h (ASM_SPEC): Pass on target processor.
7080 (CPP_PREDEFINES): Only define if not already specified.
7081 (TARGET_VERSION): Only define if not already specified.
7082 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
7084 (EXTRA_SWITCHES): Extra entries in the switches array.
7085 (TARGET_DEFAULT): Set default target processor.
7087 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
7089 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
7090 cases, add %# and %/, and add : to make them into extended asms.
7092 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
7094 * alias.c (init_alias_analysis): Clean up incompatible pointer
7095 type warning in bzero.
7096 * regmove.c (regmove_optimize): Ditto.
7097 * haifa-sched.c (find_rgns): Ditto.
7099 * haifa-sched.c (print_value): Clean up ptr->int cast
7102 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
7104 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
7105 * install.texi (Configurations): Ditto.
7106 * config.sub: Ditto.
7108 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
7110 * Makefile.in (sdbout.o): Depend on insn-config.h.
7112 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
7114 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
7115 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
7117 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
7119 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
7120 prologue insn, only the first elt is significant.
7121 (output_call_frame_info): For exception handling, always use 4-byte
7122 fields as specified by the dwarf2 spec.
7123 Don't skip trivial FDEs.
7125 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
7127 * version.c: Bump for snapshot.
7129 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
7131 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
7132 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
7135 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
7137 * final.c (shorten_branches): During first pass, assume worst
7138 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
7140 * Makefile.in (distclean): Remove various things left around
7141 by running the testsuite.
7143 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
7145 * configure.in (out_file): Emit definition to config.status in order
7146 to have a defined value for configure.lang.
7147 * configure: Re-built.
7149 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
7151 * configure.in: Make symlink to as-new rather than as.new. Similarly
7153 * configure: Rebuilt.
7155 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
7157 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
7159 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
7161 * sparc/sparc.md: Add ultrasparc scheduling support.
7162 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
7164 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
7166 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
7167 as initial value for real_label_map.
7168 (copy_for_inline): Likewise.
7170 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7172 * sched.c (update_flow_info) When looking if to set found_split_dest
7173 or found_orig_dest, look at all parts of a PARALLEL.
7174 * haifa-sched.c (update_flow_info): Likewise.
7176 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
7178 * v850: New directory for v850 port.
7179 * v850/lib1funcs.asm: New file.
7180 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
7181 * ginclude/va-v850.h: New file.
7182 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
7183 * configure.in (mn10200-*-*): New target.
7184 * configure: Rebuilt.
7185 * config.sub: Handle v850-elf.
7186 * Makefile.in (USER_H): Add va-mn10200.h.
7187 * invoke.texi: Document v850 stuff.
7189 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
7191 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
7192 has integer TYPE_{MAX,MIN}_VALUE before using them.
7194 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
7195 __HPUX_ASM__ versions.
7197 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
7199 * install.sh: Delete duplicate install script.
7201 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
7203 * reg-stack.c (subst_stack_regs): Pop the stack register for a
7204 computed goto which sets the same stack register.
7206 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
7207 destination are both on the regstack.
7208 (subst_stack_regs_pat): Put the destination at the top of the regstack.
7210 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
7212 * mips.md (nonlocal_goto_receiver): Define.
7214 * profile.c (output_arc_profiler): Check next_insert_after for non
7215 NULL before deferencing it.
7217 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
7219 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
7221 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
7223 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
7225 * toplev.c (rest_of_compilation): For passes starting with
7226 flow_analysis, use print_rtl_with_bb instead of print_rtl.
7228 * print-rtl.c (print_rtl_single): Print a single rtl value to a
7231 * flow.c (print_rtl_with_bb): Print which insns start and end
7232 basic blocks. For the start of a basic block, also print the live
7235 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
7237 * toplev.c (main): Change #elif to #else/#ifdef
7239 * tlink.c: Include ctype.h.
7240 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
7242 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
7244 * bitmap.c: Conditionally include stdlib.h.
7245 (free): Provide a declaration if NEED_DECLARATION_FREE.
7247 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
7249 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
7251 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
7253 * profile.c (output_arc_profiler): Verify next_insert_after is an
7254 INSN before and after skipping a stack pop.
7256 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7258 * final.c (shorten_branches): Don't count the lengths of deleted
7261 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
7263 * version.c: Bump for snapshot.
7265 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
7267 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
7268 two bitmaps ANDed together.
7269 (bitmap_print): Declare.
7271 * bitmap.c (function_obstack): Don't declare any more.
7272 (bitmap_obstack): Obstack for allocating links from.
7273 (bitmap_obstack_init): New static to say whether to initialize
7275 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
7276 (bitmap_release_memory): Free all memory allocated from
7279 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
7280 EXECUTE_IF_AND_IN_BITMAP.
7282 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
7284 * alias.c (true_dependence): Address with AND can alias scalars.
7285 (anti_dependence, output_dependence): Likewise.
7287 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
7289 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
7291 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
7292 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
7293 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
7294 definitions. Use -qrtems instead of -mrtems.
7296 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
7298 * xm-sco5.h (sys_siglist): Define.
7299 (SYS_SIGLIST_DECLARED): Likewise.
7301 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
7303 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
7305 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
7307 * except.c (eh_outer_context): Expand masking operation using
7310 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
7312 * alpha.md (floatdisf2-1): New pattern.
7314 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
7316 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
7317 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
7318 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
7319 * gcc.texi: Note that if you define sys_siglist that you should
7320 also define SYS_SIGLIST_DECLARED.
7322 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
7323 are relative to the next instruction, not the current instruction.
7325 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
7327 * local-alloc.c (contains_replace_regs): New function.
7328 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
7329 verify that there is no existing REG_EQUIV note, and add a call to
7330 contains_place_regs.
7332 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7334 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
7335 (STARTFILE_SPEC): Always use crtbegin.o%s
7336 (ENDFILE_SPEC): Always use crtend.o%s.
7338 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
7340 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
7342 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
7343 SFmode for 64 bit hosts.
7345 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
7347 * fixincludes: Permits spaces between # and define. Discard C++
7348 comments in sys/pci.h on HP/UX 10.20.
7350 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
7352 * version.c: Bump for snapshot.
7354 * pa.c (restore_unscaled_index_insn_codes): New function.
7355 (record_unscaled_index_insn_codes): Likewise.
7356 (output_function_prologue): Call restore_unscaled_index_insn_codes.
7357 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
7358 (pa_reorg): Call record_unscaled_index_insn_codes.
7360 * haifa-sched.c (move_insn): Handle notes correctly for insns
7361 with SCHED_GROUP_P set.
7363 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7365 * alpha/xm-linux.h (USE_BFD): Undef before define.
7367 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
7369 * cse.c (cse_insn): Don't record BLKmode values.
7371 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
7373 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
7375 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
7377 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
7378 * collect2.c (sys_errlist): Likewise.
7379 * cpplib.c (sys_errlist): Likewise.
7380 * gcc.c (sys_errlist): Likewise.
7381 * protoize (sys_errlist): Likewise.
7382 * configure.in: Check for strerror.
7383 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
7384 * xm-gnu.h (HAVE_STRERROR): Likewise.
7385 * xm-linux.h (HAVE_STRERROR): Likewise.
7386 * xm-netbsd.h (HAVE_STRERROR): Likewise.
7387 * xm-bsd386.h (HAVE_STRERROR): Likewise.
7388 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
7389 * xm-dos.h (HAVE_STRERROR): Likewise.
7390 * xm-mingw32.h (HAVE_STRERROR): Likewise.
7391 * xm-pa.h (HAVE_STRERROR): Likewise.
7392 * xm-papro.h (HAVE_STRERROR): Likewise.
7393 * xm-sysv4.h (HAVE_STRERROR): Likewise.
7394 * configure, config.in: Rebuilt.
7396 * Makefile.in: Add several missing "else true" clauses.
7398 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
7399 * mips-tfile.c: Likewise.
7400 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
7401 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
7402 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
7403 * configure.in: Check for sys_siglist declaration.
7404 * configure, config.in: Rebuilt.
7406 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
7408 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
7409 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
7410 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
7411 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
7412 * rs6000/sysv4.h (extra_subtarget_switches): Added new
7413 macro EXTRA_SUBTARGET_SWITCHES.
7414 * configure.in (sh*-*-rtems*): New target.
7415 * sh/rtems.h: New file.
7416 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
7417 * configure: Rebuilt.
7419 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
7421 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
7423 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
7425 * rs6000.md: Make DF fused-add operations pay attention to
7428 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
7430 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
7432 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
7434 * pa.md (reload_peepholes): Make sure operand is a REG before
7435 examining REGNO. Allow general registers too.
7437 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
7439 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
7441 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
7443 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
7444 to reallocate abbrev_die_table.
7446 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
7448 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
7450 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7452 * Makefile.in (config.status): Depend on version.c
7454 * expr.h (insn_gen_function): Reenable prototype.
7456 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
7459 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
7461 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
7463 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
7465 * version.c: Bump for latest snapshot.
7467 * bc-optab.c: Conditionally include stdlib.h.
7468 (free): Provide a declaration if NEED_DECLARATION_FREE.
7469 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
7470 * rtl.h (free): Remove declaration.
7471 * tree.h (free): Remvoe declaration.
7473 * configure: Rebuilt.
7475 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
7477 * flags.h (flag_move_all_movables): Declare.
7478 (flag_reduce_all_givs): Likewise.
7479 * loop.c (move_movables): Handle flag_move_all_movables.
7480 (strength_reduce): Handle flag_reduce_all_givs.
7481 * toplev.c (flag_move_all_movables): Define.
7482 (flag_reduce_all_givs): Likewise.
7483 (f_options): Add -fmove-all-movables and -freduce-all-givs.
7484 * invoke.texi: Document new options, including alias stuff that
7485 wasn't included last time.
7487 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
7489 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
7492 * t-vxworks68: Ditto.
7493 * t-vxworks960: Ditto.
7496 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
7498 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
7499 if not already defined, and USE_C_ALLOCA not defined.
7501 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
7503 * config.guess: Replace with script that uses ../config.guess.
7505 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
7506 if USE_GNULIBC_1 is not defined.
7508 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
7510 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
7511 * config.guess: Recognize alpha-linux-gnulibc1.
7512 * configure.in (alpha-*-linux-gnulibc1): New target.
7513 (alpha-*-linux-gnu*): Don't build crtbegin/end.
7515 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
7517 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
7520 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
7522 * loop.c (combine_movables): Earlier insns don't match later ones.
7524 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7526 * config/linux.h (CC1_SPEC): Define it only if not defined.
7528 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
7531 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
7532 USE_GNULIBC_1 is not defined.
7534 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
7536 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
7537 as 1 if USE_GNULIBC_1 is not defined.
7539 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
7541 * reorg.c (dbr_schedule): Allow current_function_return_rtx
7542 to be something other than a REG.
7543 * function.c (expand_function_end): Fix current_function_return_rtx
7546 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
7547 * x-netbsd: Likewise
7548 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
7549 (INSTALL_HEADERS): Delete.
7550 * x-dguxbcs: Likewise.
7551 * x-hp3bsd44: Likewise
7554 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7556 * i386.md (pop): pop increments the stack pointer.
7557 (prologue_set_stack_ptr): New pattern.
7558 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
7561 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
7563 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
7564 address where an offsettable address is required.
7566 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
7568 * loop.c (check_final_value): Don't miss a biv increment in a
7571 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
7573 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
7574 TYPE_DECL_IS_STUB instead of DECL_NAME.
7576 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7578 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
7580 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
7582 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
7584 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
7586 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
7587 (find_post_sched_live): Likewise.
7589 * haifa-sched.c (schedule_block): Remove old code to get arguments
7590 from hard regs into pseudos early.
7592 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
7594 * version.c: Bump for new snapshot.
7596 * local-alloc.c (update_equiv_regs): All the target to reject
7597 promotion of some REG_EQUAL to REG_EQUIV notes.
7598 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
7600 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
7603 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
7604 store of the argument registers.
7606 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
7608 * fold-const.c (multiple_of_p): New function.
7609 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
7611 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
7613 * expr.h (insn_gen_function): Temporarily remove prototype.
7615 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
7617 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
7618 filenames. Use sed to extract base filename for install.
7620 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
7622 * unroll.c (find_splittable_givs): Only share if two givs have the
7623 same add and multiply values.
7625 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
7627 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
7628 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
7630 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
7632 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
7633 around branch tables.
7634 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
7635 and .end_brtab directives if TARGET_GAS.
7637 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
7639 * alias.c (true_dependence): Pass x_addr not x to varies.
7641 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
7642 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
7643 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
7645 * config.in, configure: Regenerate.
7647 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
7649 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
7651 (record_set): Handle LO_SUM like PLUS.
7652 (init_alias_analysis): When following chains of base addresses,
7653 do not stop on reaching a hard register.
7655 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
7657 * version.c: Bump for new snapshot.
7659 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
7661 * alpha.h (ARCH_ASM_FILE_START): Define.
7662 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
7663 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
7665 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
7667 * Makefile.in (install-common): Put gcov comment at start of line.
7669 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
7671 * alias.c (init_alias_analysis): When simplifying the reg_base_value
7672 array, simplify entries for hard registers too.
7674 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
7676 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
7679 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
7681 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
7682 block_stack before dereferencing it.
7684 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
7686 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
7688 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
7690 * cplus-dem.c: Add 'extern' to prepends_underscore.
7692 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
7694 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
7695 (get_issue_rate): Delete.
7696 * pa.h (ISSUE_RATE): Define.
7698 * configure.in: Turn on haifa by default for the PA.
7699 * configure: Rebuilt.
7700 * pa.c (override_options): Accept -mschedule=7200 option.
7701 (pa_adjust_cost): No longer need to scale costs for newer
7703 * pa.h (enum processor_type): Add PROCESSOR_7200.
7704 * pa.md: Revamp scheduling parameters to work better with
7705 haifa. Add scheduling parameters for the 7200.
7707 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
7709 (schedule_block): When adjusting basic_block_{head,end}, account
7710 for movement of SCHED_GROUP_P insns too.
7712 * haifa-sched.c (debug_dependencies): Fix thinko.
7714 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
7715 (site.exp, check, check-g++, check-gcc): New targets.
7717 * haifa-sched.c: Make lots of variables static.
7719 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7721 * expr.h, real.h: Finish prototyping.
7723 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
7725 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
7726 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
7727 * reload1.c: Undo bugfix from Aug 11.
7729 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
7731 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
7732 quotes around the name.
7733 * configure: Regenerate.
7735 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
7737 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
7739 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
7741 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
7742 to sub-makes to avoid building more passes than the user might have
7743 requested on the command line.
7745 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
7747 * configure.in: Expurgate `broken_install' (install is
7750 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
7753 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
7755 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
7756 functions and declarations.
7757 (analyze_loop_iterations): Use condjump_p.
7758 (insert_bct): Likewise. Use exact_log2.
7760 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
7762 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
7763 (schedule_region): Likewise.
7764 (schedule_insns): Likewise.
7766 * PROJECTS: Update with Haifa stuff.
7768 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
7770 * version.c: Change the version string to look like:
7771 egcs-2.90.00 970814 (gcc2-970802 experimental).
7773 * loop.c (is_conditional_branch): Make definition match declaration.
7775 * gcc.c: Take out experimental snapshot warning message.
7777 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
7779 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
7780 print out the names of the notes. Print out the name of the insn
7781 that is not a note, and not an {,CALL_,JUMP_}INSN.
7783 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
7785 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
7786 again for the slot after we give it RTL.
7788 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
7790 * configure.in (haifa configury): Fix typo.
7791 * configure: Regenerate.
7793 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
7795 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
7797 * gcc.info*: Rebuilt.
7799 * COPYING.g77, README.g77: New files.
7800 * real.c (ereal_unto_float, ereal_unto_double): New functions.
7801 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
7802 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
7804 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
7806 * Integrate Haifa instruction scheduler.
7807 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
7808 to sched with $(SCHED_CFLAGS.
7809 * configure.in: Handle --enable-haifa.
7810 * configure: Rebuilt.
7811 * flags.h: Add new flags for haifa instruction scheduler.
7812 * genattrtab.c (expand_units): For haifa, don't subtract one
7813 when computing blockage.
7814 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
7815 (flag_schedule_speculative): Ditto.
7816 (flag_schedule_speculative_load): Ditto.
7817 (flag_schedule_speculative_load_dangerous): Ditto.
7818 (flag_schedule_reverse_before_reload): Ditto.
7819 (flag_schedule_reverse_after_reload): Ditto.
7820 (flag_branch_on_count_reg): Ditto.
7821 (f_options): Add Haifa switches.
7822 (main): Turn off some Haifa options if appropriate macro is
7823 defined. Process Haifa switches.
7824 * unroll.c (iteration_info): No longer static, since Haifa
7826 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
7827 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
7828 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
7829 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
7830 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
7831 storage for the Haifa scheduler.
7832 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
7834 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
7835 are defined, call analyze_loop_iterations and insert_bct to use
7837 (record_giv): Refine test for jumps out of loops if HAIFA is
7839 (analyze_loop_iterations): New function to identify if we can use
7841 (insert_bct): Insert countdown loop.
7842 (instrument_loop_bct): Low level code to insert countdown loop.
7843 (loop_number): Calculate UID of loop.
7844 (indirect_jump_in_function_p): Return true if an indirect jump is
7846 (is_power_of_2): Return true if value is a power of 2.
7847 (is_conditional_branch): Return true if insn is a conditional
7849 (fix_bct_param): Process -fbct-{min,max}-N switches.
7850 (check_bct_param): Return true if loop should be instrumented.
7851 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
7852 (loop_optimize): Initialize.
7853 (get_condition_for_loop): Ditto.
7854 * loop.c (strength_reduce): Inside of code that uses #ifdef
7855 HAVE_decrement_and_branch_on_count code, test it to make sure the
7857 (instrument_loop_bct): Ditto.
7858 * haifa-sched.c: New file.
7861 * Integrate regmove pass.
7862 * Makefile.in (OBJS): Add regmove.o
7863 (regmove.o): Add dependencies.
7864 * flow.c (find_use_as_address): No longer static.
7865 * rtl.h (find_use_as_address): Declare.
7866 * toplev.c (regmove_dump, flag_regmove): Define.
7867 (f_options): Add -fregmove.
7868 (regmove_dump_file, regmove_time): Define.
7869 (fatal_insn): Close the regmove dump file.
7870 (compile_file): Initialize regmove_time; open/close the regmove dump
7871 file as needed. Print regmove time as needed.
7872 (rest_of_compilation): Run regmove pass if requested, dump
7873 RTL after regmove if requested.
7874 (main): If -O2 or more, turn on regmove. Handle dump switches.
7875 * regmove.c: New file.
7877 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
7879 * Integrate tlink patch from jason@cygnus.com
7880 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
7881 (process_command): Increment n_switches for them. Don't discard
7882 their args. Validate them.
7883 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
7885 (process_command): Set include_prefixes from COMPILER_PATH.
7886 (main): Set COLLECT_GCC_OPTIONS sooner.
7887 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
7888 * tlink.c, hash.c, hash.h: New files.
7889 * Makefile.in (USE_COLLECT2): Always use collect2.
7890 (collect2): Depend on and link in hash.o and tlink.o.
7891 (tlink.o, hash.o): Add dependencies.
7893 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
7895 * Integrate alias analysis changes from jfc@mit.edu
7896 * Makefile.in (OBJS): Add alias.o
7897 (alias.o): Add dependencies.
7898 * alias.c: New file.
7899 * sched.c: Remove alias analysis code. It lives in alias.c now.
7900 (sched_analyze_2): Add new arguments to true_dependence.
7901 (schedule_insns): Always call init_alias_analysis.
7902 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
7903 mark return value from such functions as a pointer and keep track of
7904 them for alias analysis. If a return value from a function is a
7905 pointer, mark it as such.
7906 * combine.c (distribute_notes): Handle REG_NOALIAS.
7907 * cse.c (struct write_data): Delete. No longer needed.
7908 (invalidate): Don't call set_nonvarying_address_components anymore.
7909 Use true_dependence to decide if an entry should be removed from
7911 (invalidate_memory): Remove WRITES argument, simplify appropriately.
7913 (note_mem_written): Similarly for WRITE_PTR argument.
7914 (invalidate_from_clobbers): Similarly for W argument.
7915 (invalidate_for_call): Remove memory elements from the hash table.
7916 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
7917 (cse_rtx_varies_p): New function. Derived from old
7918 cse_rtx_addr_varies_p.
7919 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
7920 Don't call note_mem_written anymore. Stack pushes invalidate the stack
7921 pointer if PUSH_ROUNDING is defined. No longer need to call
7922 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
7923 (skipped_writes_memory): Remove variable.
7924 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
7925 (invalidate_skipped_block): Simplify for new alias analysis code.
7926 (cse_set_around_loop): Likewise.
7927 (cse_main): Call init_alias_analysis.
7928 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
7929 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
7930 (f_options): Add new alias checking arguments.
7931 (main): Set flag_alias_check when optimizing.
7932 * local_alloc (validate_equiv_mem_from_store): Add new arguments
7934 (memref_referenced_p): Likewise.
7935 * loop.c (NUM_STORES): Increase to 30.
7936 (prescan_loop): Only non-constant calls set unknown_address_altered.
7937 (invariant_p): Add new arguments to true_dependence.
7938 (record_giv): Initialize unrolled and shared fields.
7939 (emit_iv_add_mult): Call record_base_value as needed.
7940 * loop.h (struct induction): Add unrolled and shared fields.
7941 * unroll.c (unroll_loop): Call record_base_value as needed.
7942 (copy_loop_body): Likewise.
7943 (final_biv_value): Likewise.
7944 (final_giv_value): Likewise.
7945 (find_splittable_regs): Likewise. Only create one new pseudo
7946 if we have multiple address GIVs that were combined with the same
7947 dst_reg GIV. Note when a new register is created due to unrolling.
7948 * rtl.c (reg_note_name): Add REG_NOALIAS.
7949 * rtl.h (enum reg_note): Similarly.
7950 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
7951 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
7952 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
7953 (true_dependence, read_dependence, anti_dependence): Likewise.
7954 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
7955 (mark_user_reg, mark_reg_pointer): Likewise.
7958 * Integrate reload bugfix from Wilon which enables the PA port
7960 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
7961 OPERAND_ADDRESS when computing how many registers an insn needs.
7962 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
7964 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
7966 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
7967 in reload_reg_use_in_op_addr do not reach the end.
7968 do not reach the end.
7969 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
7970 RELOAD_FOR_OPERAND_ADDRESS.
7972 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
7974 * egcs project officially starts.