1 Fri Apr 17 22:38:17 1998 Jeffrey A Law (law@cygnus.com)
3 * libgcc2.c (__floatdisf): Fix a couple typos.
5 Fri Apr 17 17:28:26 1998 Jim Wilson <wilson@cygnus.com>
7 * Makefile.in (mostlyclean): Delete *.mach and *.bp files.
9 Fri Apr 17 16:35:35 1998 Greg McGary <gkm@gnu.org>
11 * emit-rtl.c (gen_highpart): initialize `word' properly for pseudo.
13 Fri Apr 17 14:30:37 1998 John Carr <jfc@mit.edu>
15 * emit-rtl.c (operand_subword_force): If a register can not be
16 accessed by words, copy it to a pseudo register.
18 Fri Apr 17 14:30:37 1998 Jim Wilson <wilson@cygnus.com>
20 * rs6000/vxppc.h (CPP_SPEC): Add support for mrelocatable*.
22 Fri Apr 17 17:01:25 1998 Michael Meissner <meissner@cygnus.com>
24 * tree.h (mark_seen_cases): Delete declaration.
26 Fri Apr 17 13:32:20 1998 Jeffrey A Law (law@cygnus.com)
28 * stmt.c (mark_seen_cases): Make static and add prototype.
30 Fri Apr 17 11:21:43 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
32 * frame.c: Include stdlib.h and unistd.h to possibly get various
33 function prototypes. The fixproto script guarantees these header
34 files exist on the target system.
35 * libgcc2.c: Likewise.
37 * gthr-single.h (__gthread_mutex_lock, __gthread_mutex_trylock,
38 __gthread_mutex_unlock): Add __attribute__ ((__unused__)) to the
40 * libgcc2.c (__udiv_w_sdiv): Likewise.
42 Thu Apr 16 22:41:02 1998 Jeffrey A Law (law@cygnus.com)
44 * varasm.c (asm_output_bss): Add prototype.
45 (asm_output_aligned_bss): Likewise.
47 * unroll.c (verify_addresses): Add prototype.
49 * toplev.c: Add many prototypes. Too many to mention here.
51 * stmt.c (check_seenlabel): Add prototype.
53 * rtlanal.c (reg_set_p_1): Add prototype.
54 (reg_set_last_1): Likewise.
56 * reorg.c (find_dead_or_set_registers): Add prototype.
58 * regmove (try_auto_increment): Add prototype.
60 * reg-stack.c (pop_stack): Add prototype.
62 * recog.c (validate_replace_rtx_1): Add prototype.
63 (find_cosntant_term_loc): Likewise.
65 * loop.c (regs_patch_p): Add prototype.
66 (add_label_notes, count_nonfixed_reads): Likewise.
67 (find_single_use_in_loop): Likewise.
68 (express_from): Surround prototype with #ifdef.
69 (giv_sort): Similarly.
71 * jump.c (mark_modified_reg): Add prototype.
73 * haifa-sched.c (is_prisky): Add prototype.
74 (queue_to_ready): Likewise.
76 * genextract.c (gen_insn): Add prototype.
78 * genemit.c (max_operand_1): Add prototype.
79 (max_operand_vec, print_code, gen_exp, gen_insn): Likewise.
80 (gen_expand, gen_explit, output_add_clobbers): Likewise.
81 (output_init_mov_optab): Likewise.
83 * genattrtab.c (attr_hash_add_rtx): Add prototype.
84 (attr_hash_add_string, write_length_unit_log): Likewise.
86 * genattr.c (init_range): Add prototype.
88 * combine.c (sets_function_arg_p): Add prototype.
90 * expr.c (store_constructor_field): Add prototype.
91 (get_memory_usage_from_modifier): Likewise
93 * expmed.c (synth_mult): Add prototype.
94 (choose_multiplier, invert_mod2n): Likewise.
96 * except.c (push_eh_entry): Add prototype.
97 (pop_eh_entry, enqueue_eh_entry, dequeu_eh_entry): Likewise.
98 (call_get_eh_context, start_dynamic_cleanup): Likewise.
99 (start_dynamic_handler, can_throw): Likewise.
100 (output_exception_table_entry, scan_region): Likewise.
101 (eh_regs, set_insn_eh_region): Likewise.
103 * dwarfout.c (decl_class_context): Add prototype.
104 (output_inheritance_die, type_ok_for_scope): Likewise.
106 * c-lex.c (skip_white_space_on_line): Add prototype.
108 * alias.c (record_set): Add prototype.
109 (find_base_term, base_alias_check): Likewise.
111 * function.c (assign_outer_stack_local): Make static and add prototype.
113 * haifa-sched.c (build_control_flow): Accept raw data as inputs
114 instead of computing it locally. Callers changed.
115 (find_rgns): Several new arguments. Callers changed.
116 Generally clean up and comment better. Use dominators to
117 identify reducible loops. Convert some flag arrays to bitmaps.
118 Convert most of the code to work on pred/succ lists instead of
119 an edge table. Add comments for future improvements.
120 (schedule_insns): Allocate temporary tables for flow data, call
121 routines to compute flow data and pass it along to children as
123 (debug_control_flow): Delete. Use dump_bb_data instead.
125 * basic-block.h (compute_dominators): Declare.
127 * flow.c (dump_sbitmap, dump_sbitmap_vector): New debugging
129 * basic-block.h: Declare them.
131 Thu Apr 16 13:45:51 1998 Jim Wilson <wilson@cygnus.com>
133 * reg-stack.c (constrain_asm_operands): Set n_alternatives to zero if
136 Wed Apr 15 11:33:09 1998 Alexandre Petit-Bianco <apbianco@sendai.cygnus.com>
138 * tree.c (build_expr_wfl): Use NULL_TREE if the file name is NULL.
139 Propagate TREE_SIDE_EFFECTS and TREE_TYPE iff the encapsulated
140 node is non NULL. Cache last file name and file name identifier node.
142 1998-04-15 Mark Mitchell <mmitchell@usa.net>
144 * c-common.c (declare_hidden_char_array): Use TYPE_DOMAIN to get
145 the length of an array, not TREE_TYPE.
147 Wed Apr 15 15:31:34 1998 Jeffrey A Law (law@cygnus.com)
149 * flow.c (sbitmap_union_of_successors): New function.
150 * basic-block.h (sbitmap_union_of_successors): Declare it.
152 Wed Apr 15 12:38:03 1998 Jim Wilson <wilson@cygnus.com>
154 * configure.in (gnu_ld): Rename to gnu_ld_flag before main loop.
155 Set gnu_ld to gnu_ld_flag inside main loop.
158 Wed Apr 15 14:50:05 1998 Dave Brolley <brolley@cygnus.com>
160 * toplev.c (compile_file): Call init_parse using new interface.
161 (init_lex): Remove declaration.
163 * c-lex.c (init_parse): Now returns char* containing filename.
165 Wed Apr 15 12:37:10 1998 Jeffrey A Law (law@cygnus.com)
167 * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing if not optimizing.
169 Wed Apr 15 12:10:18 1998 Michael Meissner <meissner@cygnus.com>
171 * Makefile.in (gen{config,flags,codes,emit}): Link in host print-rtl.o.
172 (gen{extract,peep,opinit,output}): Ditto.
174 * gen{attr,codes,config,emit,output}.c (insn_attr_name): Provide a
175 global definition so print-rtl.o can be linked in.
176 * gen{peep,recog}.c (insn_attr_name): Ditto.
178 Tue Apr 14 07:30:57 1998 K. Richard Pixley <rich@kyoto.noir.com>
180 * fixincludes: discard empty C++ comments, as found in sys/time.h
183 Wed Apr 15 10:47:21 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
185 * config/m68k/m68k.md (adddi3, subdi3): Optimize for constant
188 Wed Apr 15 01:21:21 1998 Jeffrey A Law (law@cygnus.com)
190 * emit-rtl.c (operand_subword): Rework slightly to avoid
191 bogus warning from previous change.
193 Tue Apr 14 23:39:13 1998 Richard Henderson <rth@cygnus.com>
195 * alpha.md: Revert Oct 27 change, as it is superceeded by Kenner's
196 Nov 8 find_replacement change. Move decls of get_unaligned_address
199 Tue Apr 14 22:00:39 1998 John Carr <jfc@mit.edu>
201 * function.c (assign_parms): Initialize unsignedp before passing
202 its pointer to promote_mode.
204 * genattrtab.c (check_attr_test): Handle MATCH_INSN like MATCH_OPERAND.
205 (write_test_expr): Allow MATCH_INSN.
207 Tue Apr 14 21:57:57 1998 Paul Eggert <eggert@twinsun.com>
209 * install.texi: Update section on warnings that can be safely ignored.
211 Tue Apr 14 14:55:16 1998 Jim Wilson <wilson@cygnus.com>
213 * mips.md (reload_outdi): Change the scratch mode from DImode to
214 TImode. New variable scratch, used instead of operand[2] in template.
215 Add code for MIPS16 HILO_REGNUM case where output reg is not M16_REG_P.
217 Tue Apr 14 16:19:03 1998 Michael Meissner <meissner@cygnus.com>
219 * expr.c (MOVE_RATIO): Set to 3 if optimizing for space.
221 Tue Apr 14 11:31:28 1998 Krister Walfridsson <cato@df.lth.se>
223 * i386/bsd386.h (ASM_OUTPUT_ALIGN): Redefine.
225 Tue Apr 14 09:02:32 1998 Jeffrey A Law (law@cygnus.com)
227 * svr4.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
228 (ASM_FINISH_DECLARE_OBJECT): Likewise.
230 * Idea and part of the patch from HJ.
231 * Makefile.in: auto-host.h renamed from auto-config.h. All references
233 (distclean): Remove auto-build.h too.
234 * configure.in: Rename host autoconf generated file to auto-host.h.
235 If host != build, then run autoconf to generate auto-build.h for
236 the build machine and include it in build_xm_files.
237 Check for wait.h and sys/wait.h.
239 * combine.c (simplify_rtx, case TRUNCATE): Respect value of
240 TRULY_NOOP_TRUNCATION.
242 Mon Apr 13 11:31:49 1998 Jason Merrill <jason@yorick.cygnus.com>
244 * tree.h (BINFO_OFFSET_ZEROP): Use integer_zerop.
246 Sun Apr 12 20:55:32 1998 Catherine Moore <clm@cygnus.com>
248 * invoke.texi (ld options) Include memset requirements
249 for options -nodstdlib and -nodefaultlibs.
251 1998-04-12 Paul Eggert <eggert@twinsun.com>
253 This change is from an idea suggested by Arthur David Olson.
255 * c-common.c (decl_attributes, record_function_format,
256 check_format_info, init_function_format_info):
257 Add support for strftime format checking.
258 (enum format_type): New type.
259 (record_function_format): Now static, and takes value of type
260 enum format_type instead of int.
261 (time_char_table): New constant.
262 (struct function_format_info): format_type member renamed from is_scan.
263 (check_format_info): Use `warning' rather than sprintf followed by
264 `warning', to avoid mishandling `%' in warnings.
265 Change `pedwarn' to `warning', since these warnings do not necessarily
266 mean the program does not conform to the C Standard, as the code
267 need not be executed.
269 * c-tree.h (record_function_format): Remove decl; no longer extern.
271 * extend.texi: Add documentation for strftime format checking.
273 Sun Apr 12 20:23:03 1998 Jeffrey A Law (law@cygnus.com)
275 * mips/ecoffl.h: Do not include mips.h.
276 * mips/elf.h: Likewise.
278 * configure.in (mips-*-ecoff): Do not mention mips/mips.h in tm_files.
279 * mips/ecoff.h: Include "mips/mips.h".
281 Sat Apr 11 22:42:54 PDT 1998 Jeff Law (law@cygnus.com)
283 * version.c: Bump for snapshot.
285 Sat Apr 11 01:24:28 1998 Jeffrey A Law (law@cygnus.com)
287 * cse.c (count_reg_usage): Correctly handle REG_NONNEG notes.
288 (delete_trivially_dead_insns): Renamed from delete_dead_from_cse.
289 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns instead of delete_dead_from_cse. Also call delete_trivially_dead_insns
290 between loop optimization passes.
291 * rtl.h: Updated appropriately.
293 Fri Apr 10 22:28:32 1998 Jeffrey A Law (law@cygnus.com)
295 Reinstall this patch from Jason.
296 * function.c (push_function_context_to): Don't call init_emit.
298 Fri Apr 10 13:40:20 1998 Nick Clifton <nickc@cygnus.com>
300 * rtl.c (read_skip_spaces): Prevent infinite loops upon
301 encountering unterminated comments.
303 Fri Apr 10 10:43:41 1998 Jeffrey A Law (law@cygnus.com)
305 * emit-rtl.c (operand_subword): Properly handle CONST_INTs for
308 * configure.in: Handle --with-fast-fixincludes.
309 (fixincludes): If --with-fast-fixincludes, then use a different
310 fixincludes program by default.
311 * Makefile.in (fixinc.sh): New rule.
313 Fri Apr 10 00:36:31 1998 H.J. Lu (hjl@gnu.org)
315 * i386.md (movqi+1): Handle invalid QI register.
316 (movsf_push-1): Likewise.
318 Thu Apr 9 16:53:59 1998 Nick Clifton <nickc@cygnus.com>
320 * config/m32r/m32r.c: call_address_operand(): Only accept symbolic
322 symbolic_memort_operand(), call32_operand(), int8_operand(),
323 int16_operand(), uint24_operand(), reg_or_int8_operand(): Removed.
325 uint16_operand(): Made static.
327 Thu Apr 9 01:43:04 1998 Jeffrey A Law (law@cygnus.com)
329 * calls.c (expand_call): Fix typo.
331 Thu Apr 9 00:18:44 1998 Dave Brolley (brolley@cygnus.com)
333 * c-lex.c (finput): New global.
334 (init_parse): Always included. Handle !USE_CPPLIB using
335 code originally in compile_file.
336 (finish_parse): Update for CPPLIB.
337 * toplev.c (init_parse, finish_parse): Declare.
338 (finput): Delete variable. Now in front-ends.
339 (compile_file): Remove code which is now handled by init_parse
340 which is unconditionally called. Similarly for finish_parse.
342 Wed Apr 8 23:13:50 1998 Gavin Koch <gavin@cygnus.com>
344 * config/mips/r3900.h (ASM_OUTPUT_DEF,SUPPORTS_WEAK,
345 ASM_WEAKEN_LABEL): Add.
347 Wed Apr 8 18:21:30 1998 Richard Henderson <rth@cygnus.com>
349 * alpha/crtbegin.asm, alpha/crtend.asm, alpha/t-crtb: New files.
350 * configure.in (alpha-*-linux*): Use them.
352 Fri Apr 3 17:02:13 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
354 * tree.def (EXPR_WITH_FILE_LOCATION): New tree node definition.
355 * tree.h (EXPR_WFL_{NODE,FILENAME,FILENAME_NODE,LINENO,
356 COLNO,LINECOL,SET_LINECOL,EMIT_LINE_NOTE}): New macros.
357 (build_expr_wfl): New prototype declaration.
358 * tree.c (build_expr_wfl): New function, to build
359 EXPR_WITH_FILE_LOCATION nodes.
360 (copy_node): Don't zero TREE_CHAIN if copying a
361 EXPR_WITH_FILE_LOCATION node.
362 * print-tree.c (print_node): Handle EXPR_WITH_FILE_LOCATION.
363 * expr.c (expand_expr): Handle EXPR_WITH_FILE_LOCATION.
365 Wed Apr 8 12:51:19 1998 Jeffrey A Law (law@cygnus.com)
367 * configure.in (v850): Use t-v850.
368 (ix86-wrs-vxworks): Recognize 786 just like other x86 configurations.
370 * protoize.c (creat, read, write): Do not declare.
372 * jump.c (mark_jump_label): Record REG_LABEL notes for insns which
373 refer to the CODE_LABEL before a dispatch table.
375 * invoke.texi: Add ARC options.
377 * gcc.c (proces_command): Improve error message for -o with
380 * i386/x-cygwin32 (CLIB): Link in advapi32.
382 * alpha.h (ASM_IDENTIFY_GCC): Define to nothing.
383 (ASM_IDENTIFY_LANGUAGE): Likewise.
385 * i386.md (movqi recognizer): Don't perfom byte increment into
388 * configure.in (x86-dg-dgux): Run fixinc.dgux.
390 * i370.h: Fix typo in GEN_INT changes.
392 * bitmap.c (bitmap_element_allocate): Use "void" for arglist instead
393 of an empty arglist in prototype.
395 * Makefile.in: Remove bytecode crud that crept back in after the
398 1998-04-08 Brendan Kehoe <brendan@cygnus.com>
400 * c-lex.h (is_class_name): Fix arg type to be tree, not void.
401 (make_pointer_declarator, reinit_parse_for_function): Fix typo.
403 Wed Apr 8 06:16:45 1998 Richard Earnshaw (rearnsha@arm.com)
405 * arm.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
407 Wed Apr 8 00:44:18 1998 Bernd Schmidt (crux@pool.informatik.rwth-aachen.de>
409 * c-lex.c (is_class_name): Delete declaration.
410 (whitespace_cr): Make static and add prototype.
411 * c-lex.h (make_pointer_declarator, reinit_parse_for_function,
412 yylex, get_directive_line): Turn declarations into prototypes.
413 (position_after_whitespace, check_newline, yyerror,, is_class_name,
414 forget_protocol_qualifiers, remember_protocol_qualifiers): Add
416 * genattr.c (extend_range, write_upcase, gen_attr, write_units): Add
418 * gencodes.c (gen_insn): Add prototype.
419 * genconfig.c (walk_insn, gen_insn, gen_expand, gen_split,
420 gen_peephole): Add prototypes.
421 * genflags.c (num_operands, gen_proto, gen_nonproto, gen_insn): Add
423 * gengenrtl.c (type_from_format, accessor_from_format, special_rtx,
424 special_format, find_formats, gendecl, genmacro, gendef, genlegend,
425 genheader, gencode): Add prototypes.
426 * genopinit.c (gen_insn): Add prototype.
427 * genoutput.c (output_prologue, output_epilogue, scan_operands,
428 process_template, validate_insn_alternatives, gen_insn, gen_peephole,
429 gen_expand, gen_split, n_occurrences): Add prototypes.
430 * genpeep.c (gen_peephole): Add prototype.
431 * loop.c (find_and_verify_loops, mark_loop_jump, prescan_loop,
432 reg_in_basic_block_p, consec_sets_invariant_p, libcall_other_reg,
433 labels_in_range_p, count_loop_regs_set, note_addr_stored,
434 loop_reg_used_before_p, scan_loop, replace_call_address,
435 skip_consec_insns, libcall_benefit, ignore_some_movables,
436 force_movables, combine_movables, rtx_equal_for_loop_p, move_movables,
437 strength_reduce, valid_initial_value_p, find_mem_givs, record_biv,
438 check_final_value, record_giv, update_giv_derive, basic_induction_var,
439 simplify_giv_expr, general_induction_var, consec_sets_giv,
440 check_dbra_loop, express_from, combine_givs_p, combine_givs,
441 product_cheap_p, maybe_eliminate_biv, maybe_eliminate_biv_1,
442 last_use_this_basic_block, record_initial, update_reg_last_use,
443 iteration_info, analyze_loop_iterations, insert_bct,
444 instrument_loop_bct, indirect_jump_in_function_p): Turn declarations
447 Tue Apr 7 21:48:52 1998 Jeffrey A Law (law@cygnus.com)
449 * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
451 1998-04-07 Ken Raeburn <raeburn@cygnus.com>
453 * config/mips/mips.c (siginfo): Deleted.
454 (override_options): Don't install SIGINFO signal handler.
456 Tue Apr 7 11:58:04 1998 Jim Wilson <wilson@cygnus.com>
458 * loop.c (check_dbra_loop): When normalize comparison_val, add check
459 to verify it is non-negative.
461 Tue Apr 7 02:01:47 1998 Richard Henderson <rth@cygnus.com>
463 * alpha.c (alpha_expand_block_move): Correctly collect block offsets.
464 (alpha_expand_block_clear): Likewise.
466 Mon Apr 6 23:36:01 1998 Richard Henderson <rth@cygnus.com>
468 * tree.h (sizetype_tab): Fix previous change for K&R.
470 Mon Apr 6 22:23:29 PDT 1998 Jeff Law (law@cygnus.com)
472 * version.c: Bump for snapshot.
474 Mon Apr 6 23:16:10 1998 Richard Earnshaw (rearnsha@arm.com)
476 * configure.in (sparc-*-solaris2*): Add xm-siglist.h to xm_file.
477 Add USG and POSIX to xm_defines.
479 Mon Apr 6 21:49:57 1998 Bob Manson <manson@charmed.cygnus.com>
481 * gcc.c: Add linker spec.
482 (link_command_spec): Use %(linker) instead of ld.
483 (main): If collect2 is requested as the linker, see if it exists;
484 if not, use ld instead.
486 * Makefile.in (USE_COLLECT2): It's named collect2 now, not ld.
488 (install-collect2): Install as collect2, not ld.
490 * configure.in(will_use_collect2): It's named collect2 now.
492 * collect2: Remove checks to see if we were invoked recursively.
493 (collect_execute): Use _spawnvp under cygwin32.
495 Mon Apr 6 17:23:41 1998 Jim Wilson <wilson@cygnus.com>
497 * haifa-sched.c (build_control_flow): Set unreachable for block whose
498 only predecessor is itself.
500 Mon Apr 6 16:08:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
502 * c-parse.in: Include system.h, and remove stuff now made redundant.
505 * protoize.c: Likewise. Properly check for cpp stringification.
507 * Makefile.in (c-parse.o, cccp.o, cexp.o, protoize.o, unprotoize.o):
510 * objc/Make-lang.in (objc-parse.o): Likewise.
512 Mon Apr 6 14:59:58 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
514 * gansidecl.h: Check if compiler supports __attribute__. Provide
515 definitions for ATTRIBUTE_UNUSED and ATTRIBUTE_PRINTF using
516 __attribute__ when its available. Also provide definitions for
517 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2 and ATTRIBUTE_PRINTF_3 in
518 terms of ATTRIBUTE_PRINTF.
520 * genoutput.c (process_template): Use ATTRIBUTE_UNUSED in place
523 Mon Apr 6 07:17:52 1998 Catherine Moore <clm@cygnus.com>
525 * combine.c (can_combine_p): Include successor in volatile test.
527 Mon Apr 6 14:16:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
529 * sh.h (CASE_VECTOR_SHORTEN_MODE): Fix logic when to set
532 Mon Apr 6 02:03:29 1998 Jeffrey A Law (law@cygnus.com)
534 * objc/objc-act.c (encode_aggregate_within): Avoid GNU extensions
535 in prototype and definition.
537 Mon Apr 6 00:48:56 PDT 1998 Jeff Law (law@cygnus.com)
539 * version.c: Bump for snapshot.
541 Mon Apr 6 00:08:50 1998 Richard Henderson <rth@cygnus.com>
543 * alpha.c (alpha_expand_block_clear): Add missing offset arg to
544 alpha_expand_unaligned_store_words.
546 Sun Apr 5 21:31:24 1998 John Wehle (john@feith.com)
548 * i386.md (movsf_push, movsf_mem): Remove.
549 (movsf_push): Rename from movsf_push_nomove and move in front of
550 movsf. Use nonmemory_operand predicate and don't bother checking
552 (movsf_push_memory): New pattern.
553 (movsf): Don't bother checking for push_operand. If TARGET_MOVE and
554 both operands refer to memory then force operand[1] into a register.
555 (movsf_normal): Change to unnamed pattern.
556 Likewise for movdf, movxf, and friends.
558 Sun Apr 5 18:45:51 PDT 1998 Jeff Law (law@cygnus.com)
560 * version.c: Bump for snapshot.
562 Sun Apr 5 16:31:10 1998 Richard Henderson <rth@cygnus.com>
564 * configure.in (alpha-dec-osf*): Match osf1.3 correctly.
566 Sun Apr 5 16:53:37 1998 Don Bowman <don@pixsci.com>
568 * configure.in (mips-wrs-vxworks): New target.
570 Sat Apr 4 23:34:32 PST 1998 Jeff Law (law@cygnus.com)
572 * expmed.c (synth_mult): The value -1, has no zeros, so it can
573 never have the form ...011.
575 * version.c: Bump for snapshot.
577 Sat Apr 4 20:16:46 1998 Richard Henderson <rth@cygnus.com>
579 * i386.c (asm_output_function_prefix, load_pic_register):
580 Use ASM_GENERATE_INTERNAL_LABEL properly.
581 (output_pic_addr_const): Recognize %X to supress any PIC sym suffix.
582 (print_operand): Ignore it.
583 (load_pic_register): Use it for the got load call.
584 * i386.md (prologue_set_got, prologue_get_pc): Likewise.
585 (prologue_get_pc_and_set_got): Likewise.
586 * i386.h: Update print_operand docs.
588 Sat Apr 4 19:08:37 1998 Richard Henderson <rth@cygnus.com>
590 * i386.md (ffssi, ffshi): Rewrite as define_expands.
591 (ffssi_1, ffshi_1): New (unspec [] 5) support patterns.
592 * i386.c (notice_update_cc): Recognize unspec 5.
594 Sat Apr 4 18:07:16 1998 David Mosberger-Tang (davidm@mostang.com)
596 * alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Accept '(' for s/sv/svi.
597 * alpha.c (print_operand): Handle it.
598 * alpha.md (fix_truncsfdi2): Use it. Add earlyclobber pattern
600 (fix_truncdfdi2): Likewise.
602 Sat Apr 4 17:42:05 1998 Richard Henderson <rth@cygnus.com>
604 * tree.h (sizetype_tab[2], sbitsizetype, ubitsizetype): Merge all
605 of these into a single struct, with additional [us]sizetype entries.
606 * stor-layout.c (set_sizetype): Initialize [us]sizetype.
607 * fold-const.c (size_int_wide): Don't rely on sizetype_tab being
610 Sat Apr 4 17:04:41 1998 Richard Henderson <rth@cygnus.com>
612 * configure.in (alpha-*-linux-*): Undo tm_file changes from gcc2 merge.
614 Sat Apr 4 13:50:01 1998 Richard Henderson <rth@cygnus.com>
616 * haifa-sched.c (split_block_insns): Don't supress insn splitting
617 on subsequent passes.
619 * alpha.c (hard_fp_register_operand): New function.
620 * alpha.h (PREDICATE_CODES): Add it.
621 * alpha.md (extendsidi2): Kill bogus f<-f cvtql+cvtlq case. Add an
622 f<-m case and accompanying define_split.
623 (trapb): Use a unique unspec_volatile number.
625 Sat Apr 4 13:32:08 1998 Richard Henderson <rth@cygnus.com>
627 * configure.in (alpha-*-linux-gnu*): Undo Feb 3 change brought in
630 Sat Apr 4 10:23:41 1998 Jeffrey A Law (law@cygnus.com)
632 * Check in merge from gcc2. See ChangeLog.11 and ChangeLog.12
635 * haifa-sched.c: Mirror recent changes from gcc2.
637 Fri Apr 3 00:17:01 1998 Jeffrey A Law (law@cygnus.com)
639 * Makefile.in (insn*.o): Depend on system.h.
641 * pa.c (output_global_address): Initialize base.
642 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Initialize index.
644 1998-04-03 Mike Stump <mrs@wrs.com>
646 * gthr.h: Support systems that don't have weak, but have threads.
647 * configure.in (*wrs-vxworks*): Use VxWorks threads by default.
648 * gthr-vxworks.h: New file.
649 * objc/thr-vxworks.h: Dummy file from thr-single.c for now.
651 Thu Apr 2 18:00:52 1998 Jim Wilson <wilson@cygnus.com>
653 * i386.md (movqi+1): Change alternative 1 from *r/r to *r/*rn.
655 1998-04-02 Vladimir N. Makarov <vmakarov@cygnus.com>
657 * ginclude/va-i960.h (va_end): Change void * to void.
659 Thu Apr 2 13:51:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
661 * Makefile.in (choose-temp.o): Depend on system.h.
663 * choose-temp.c: Include system.h when IN_GCC.
665 Thu Apr 2 02:37:07 1998 Joern Rennecke (amylaar@cygnus.co.uk)
666 Richard Henderson <rth@cygnus.com>
668 * reload.c (find_reloads_address): Try LEGITIMIZE_RELOAD_ADDRESS.
669 (move_replacements): New function.
670 * reload.h: Prototype it.
672 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): New definition.
674 Thu Apr 2 01:01:34 1998 Richard Henderson <rth@cygnus.com>
676 * configure (alpha-*-linuxecoff, alpha-*-linux-gnulibc1):
679 * emit-rtl.c (gen_lowpart_common): Skip count by HARD_REGNO_NREGS.
680 (gen_highpart): Likewise.
681 * final.c (alter_subreg): Allow the target to hook by-mode subreg
682 hard register number changes.
684 Wed Apr 1 22:26:22 1998 Jeffrey A Law (law@cygnus.com)
686 * fold-const.c optimze_bit_field_compare): Initialize rnbitpos,
687 rnbitsize, rnmode and rinner.
688 (make_range): Initialize type.
689 (fold): Initialize arg0, arg1 and varop.
691 * function.c (instantiate_virtual_regs_1): Initialize offset, regnoi
693 (expand_function_start): Initialize last_ptr.
695 * stor-layout.c (layout_record): Initialize desired_align.
696 (get_best_mode): Initialize unit.
698 * tree.c (copy_node): Initialize length.
700 * c-lex.c (yylex): Initialize traditional_type, ansi_type and type.
702 * caller-save.c (insert_save_restore): Initialize pat, code and
705 * emit-rtl.c (push_to_sequence): Initialize top.
706 (push_topmost_sequence): Likewise.
708 * genattrtab.c (simplify_by_exploding): Initialize defval.
710 * profile.c (branch_prob): Initialize dest.
712 * rtl.h (note_stores): Remove duplicate prototype.
713 (GEN_INT): Re-instate cast of second arg to HOST_WIDE_INT.
715 * cplus-dem.c (gnu_special): Don't get confused by .<digits>
716 strings that are not actually lengths.
718 * genattrtab.c: Make generated file use system.h, instead of
719 including stdio.h, etc directly.
720 * genextract.c, genopinit.c, genoutput.c: Likewise.
721 * genpeep.c, genrecog.c: Likewise
723 * genoutput.c (process_template): Mark operands in the generated
724 function as potentially unused if compiling with GNU CC.
726 * i386/freebsd-elf.h (CPP_PREDEFINES): Update from FreeBSD folks.
728 * pa.md (reload peepholes): Remove unused variable "mode".
730 Wed Apr 1 17:06:19 1998 Nick Clifton <nickc@cygnus.com>
732 * config/arm/thumb.h: Add super interworking support.
733 * config/arm/thumb.c: Add super interworking support.
734 * config/arm/thumb.md: Add super interworking support.
735 * config/arm/lib1funcs.asm: Add interworking support.
736 * config/arm/lib1thumb.asm: Add super interworking support.
737 * config/arm/t-semi: Add interworking support.
738 * config/arm/t-thumb: Add interworking support.
739 * config/arm/README-interworking: New file.
741 Wed Apr 1 14:38:10 1998 Jim Wilson <wilson@cygnus.com>
743 * config/mips/iris6.h (MD_EXEC_PREFIX): Set to /usr/bin/.
744 (MD_STARTFILE_PREFIX): Unset.
746 1998-04-01 Mark Mitchell <mmitchell@usa.net>
748 * varasm.c (make_decl_rtl): Update the DECL_ASSEMBLER_NAME for a
749 entity in a local scope.
751 * fold-const.c (fold): Call truthvalue_conversion for values which
752 are folded to boolean type.
754 Wed Apr 1 06:09:53 1998 Jeffrey A Law (law@cygnus.com)
756 * 1750a.md, arm.c, clipper.c, clipper.md: Use GEN_INT consistently.
757 * convex.h, dsp16xx.c, fx80.md, gmicro.c, gmicro.md: Likewise.
758 * i370.h, i370.md, i860.c, i860.h, i860.md, i960.c: Likewise.
759 * i960.h, i960.md, m32r.md, m68k.md, m68kv4.h, m88k.c: Likewise.
760 * m88k.md, ns32k.c, ns32k.md, pdp11.c, pdp11.h, pdp11.md: Likewise.
761 * pyr.c, pyr.h, pyr.md, romp.c, romp.h, romp.md: Likewise.
762 * rs6000.md, sparc.c, sparc.h, sparc.md, spur.c, spur.md: Likewise.
763 * tahoe.md, vax.h, vax.md, we32k.c, we32k.h, we32k.md: Likewise.
766 Wed Apr 1 08:33:44 1998 Manfred Hollstein <manfred@s-direktnet.de>
768 * fixincludes (limits.h): Fix nested comments in Motorola's
769 limits.h and sys/limits.h.
771 Tue Mar 31 16:57:33 1998 Jim Wilson <wilson@cygnus.com>
773 * alpha.c (alpha_expand_unaligned_load): Use tgt instead of addr
774 as dest of expand_binop call.
776 * alpha.md (extzv): Correct check for valid operand[2] values.
778 * profile.c (branch_prob): Add code to recognize HPPA tablejump entry
781 * toplev.c (rest_of__compilation): Call init_recog_no_volatile at end.
783 Mon Mar 30 13:11:05 1998 Stan Cox <scox@cygnus.com>
785 * libgcc2.c: (__main, __do_global_dtors, __do_global_ctors):
786 For __CYGWIN32__ use the versions in winsup/dcrt0.cc.
788 * gcc.c, cccp.c, cpplib.c, collect2.c (GET_ENVIRONMENT): Added.
789 cygwin32 can override this to allow both unix and win32 style PATHs.
791 * i386/xm-cygwin32.h (GET_ENVIRONMENT): Defined to allow win32
792 style environment paths.
794 Mon Mar 30 14:43:20 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
796 * Makefile.in (cppalloc.o, cpperror.o, cppexp.o, cpphash.o,
797 cpplib.o, cppmain.o, fix-header.o, gcov.o, gen-protos.o,
798 gengenrtl.o, halfpic.o, hash.o, scan-decls.o, scan.o): Depend on
801 * cpphash.c: Include config.h.
802 * cppalloc.c: Include system.h. Add parameters to various
804 * cpperror.c: Likewise.
805 * cppexp.c: Likewise.
806 * cpphash.c: Likewise.
807 * cpplib.c: Likewise.
808 * cppmain.c: Likewise.
809 * fix-header.c: Likewise.
811 * gen-protos.c: Likewise.
812 * gengenrtl.c: Likewise.
813 * halfpic.c: Likewise.
815 * scan-decls.c: Likewise.
818 Mon Mar 30 11:06:45 1998 Jim Wilson <wilson@cygnus.com>
820 * README.gnat: Add lang_print_xnode definition.
822 Mon Mar 30 11:12:24 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
824 * config/m68k/m68k.c (standard_68881_constant_p): Don't use
825 fmovecr on the 68060.
827 Mon Mar 30 00:21:03 1998 Jeffrey A Law (law@cygnus.com)
829 * genemit.c (DONE): Rework so that it works in the true arm if
830 an if-else conditional.
833 Sun Mar 29 12:45:23 1998 Jeffrey A Law (law@cygnus.com)
835 * rs6000.c: Do not include stdioh or ctype.h anymore.
837 * Makefile.in (c-typeck.o): Delete on expr.h, insn-codes.h and
839 (stor-layout.o): Likewise.
840 * c-typeck.c: Include rtl.h and expr.h.
841 * stor-layout.c: Likewise.
843 * cpplib.c (cpp_file_line_for_message): Delete unused parameter.
845 (do_sccs): Wrap in an SCCS_DIRECTIVE ifdef.
846 * fix-header.c (cpp_file_line_for_message): Delete unused paramter.
849 * collect2.c (is_in_list): Wrap inside COLLECT_EXPORT_LIST ifdef.
851 * local-alloc.c (reg_classes_overlap_p): Delete dead function.
853 * tree.h (lang_print_xnode): Provide prototype.
855 Sat Mar 28 23:50:44 PST 1998 Jeff Law (law@cygnus.com)
857 * version.c: Bump for snapshot.
859 Sun Mar 29 00:42:21 1998 Jeffrey A Law (law@cygnus.com)
861 * objc/sendmsg.c (__objc_block_forward): Add braces for return
862 value if INVISIBLE_STRUCT_RETURN.
864 * pa.c (arith_double_operand): Fix parens.
866 * haifa-sched.c (print_pattern): Correct arg to sprintf.
868 * Makefile.in (libgcc1.null): Make return type for __foo void.
870 Sat Mar 28 14:37:20 1998 Jeffrey A Law (law@cygnus.com)
872 * pa.h: Add declarations for many functions defined in pa.c.
874 * genpeep.c (main): Remove unused variable 'i' from the generated
877 * genemit.c (gen_expand): Do not emit "_done" or "_fail" labels.
878 (gen_split): Likewise.
879 (main): Rework generated definitions of DONE and FAIL so that they
880 no longer use gotos. Avoids warnings about unused labels.
882 * integrate.c (copy_rtx_and_substitute): Rework to avoid need for
883 unused "junk" variable.
885 * genattrtab.c (write_complex_function): Add a default case in
886 generated switch statement to keep -W -Wall quiet.
888 Sat Mar 28 10:47:21 1998 Nick Clifton <nickc@cygnus.com>
890 * invoke.texi: Document more ARM and Thumb command line options.
892 * config/arm/xm-thumb.h: New file.
894 Sat Mar 28 01:37:33 1998 Craig Burley <burley@gnu.ai.mit.edu>
896 * stmt.c (expand_expr_stmt): Must generate code for
897 statements within an expression (gcc's `({ ... )}')
898 even if -fsyntax-only.
900 Sat Mar 28 01:06:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
901 Jeffrey A Law (law@cygnus.com)
903 * basic-block.h (basic_block_computed_jump_target): Declare.
904 * flags.h: (current_function_has_computed_jump): Declare.
905 * flow.c: (basic_block_computed_jump_target): Define.
906 (flow_analysis): Allocate it. Set current_function_has_computed_jump
908 (find_basic_blocks): Set current_function_has_computed_jump and
909 elements of basic_block_computed_jump_target to 1 as appropriate.
910 * function.c: (current_function_has_computed_jump): Define.
911 * global.c (global_conflicts): Don't allocate pseudos into stack regs
912 at the start of a block that is reachable by a computed jump.
913 * reg-stack.c (stack_reg_life_analysis): If must restart, do so
915 (subst_stack_regs): Undo change from Sep 4 1997.
916 (uses_reg_or_mem): Now unused, deleted.
917 * stupid.c (stupid_life_analysis): Compute
918 current_function_has_computed_jump.
919 (stupid_find_reg): Don't allocate stack regs if the function has a
921 * haifa-sched.c (is_cfg_nonregular): Delete code to determine if
922 the current function has a computed jump. Use the global value
925 Sat Mar 28 00:21:37 1998 Jeffrey A Law (law@cygnus.com)
927 * i386/freebsd.h (CPP_PREDEFINES): Remove __386BSD__.
928 (DWARF2_UNWIND_INFO): Define to zero.
930 Fri Mar 27 16:04:49 1998 Michael Meissner <meissner@cygnus.com>
932 * gcc.c (set_std_prefix): Add declaration.
933 (process_command): If GCC_EXEC_PREFIX is set, remove /lib/gcc-lib/
934 suffix, and update the standard prefix prefix.c uses.
936 * prefix.c (std_prefix): New global to hold default prefix value.
937 (get_key_value): Change to use std_prefix instead of PREFIX.
938 (translate_name): Ditto.
939 (update_path): Ditto.
940 (get_key_value): Release allocated scratch storage.
941 (set_std_prefix): New function to reset the standard prefix.
943 Fri Mar 27 18:08:21 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
945 * sh.c (find_barrier): Fix calculations for alignment increase.
947 Fri Mar 27 08:56:52 1998 Manfred Hollstein <manfred@s-direktnet.de>
949 * Makefile.in (stmp-fixinc): If we're actually fixing include
950 files, copy gcc's assert.h into the fixed include dir.
951 * fixincludes (assert.h): Avoid any attempts to fix a probably
952 broken system specific assert.h file.
953 * fixproto (stdlib.h): Make sure, it'll contain a definition of
956 Fri Mar 27 00:49:46 1998 Jeffrey A Law (law@cygnus.com)
958 * regclass.c (reg_scan_mark_refs): Be more selective about
959 when we mark a register with REGNO_POINTER_FLAG.
961 Thu Mar 26 23:00:11 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
963 reload inheritance improvement:
964 * reload1.c (reg_reloaded_contents, reg_reloaded_insn):
965 Change meaning: index is now hard reg number.
966 (reg_reloaded_valid, reg_reloaded_dead): New variables.
967 (reload_spill_index): Content is now a hard reg number.
968 (reload_as_needed): Change to fit new variable meaning.
969 (forget_old_reloads_1, allocate_reload_reg): Likewise.
970 (choose_reload_regs, emit_reload_insns): Likewise.
972 Thu Mar 26 18:34:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
974 * regclass.c (record_reg_classes): '?' increases cost by two.
976 * reload.c (find_reloads): Double previous costs. Output
977 reloads cost one unit extra.
979 * reload1.c (eliminate_regs): Delete LOAD_EXTENDED_OP code that
980 boiled down to && ! 0.
982 * reload.c (find_equiv_reg): Also consider a goal offset from the
983 frame pointer to be constant.
985 Thu Mar 26 17:34:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
987 * sh.h (OPTIMIZATION_OPTIONS): Define.
989 Thu Mar 26 00:19:47 1998 Richard Henderson <rth@cygnus.com>
991 * combine.c (make_compound_operation): Simplify (subreg (*_extend) 0).
993 Wed Mar 25 23:53:11 1998 Jeffrey A Law (law@cygnus.com)
995 * pa.c (pa_adjust_cost): Avoid redundant calls to get_attr_type.
997 Wed Mar 25 13:40:48 1998 Jim Wilson <wilson@cygnus.com>
999 * c-common.c (check_format_info): Initialize type, is_type. New local
1000 integral_format. Don't warn for 'L' when pedantic. Do warn for 'L'
1001 when pedantic if used with integral format specifier.
1003 Wed Mar 25 16:09:01 1998 Michael Meissner <meissner@cygnus.com>
1005 * rs6000.h (FUNCTION_ARG_PADDING): Cast result to be enum
1007 (function_arg_padding): Declare.
1009 * rs6000.c: Include system.h.
1010 (function_arg_padding): Change return type to int, cast enum's to
1013 (From Kaveh R. Ghazi <ghazi@caip.rutgers.edu>)
1014 * collect2.c (scan_prog_file): Add explicit braces to avoid
1017 * dbxout.c (dbxout_type_fields): Add braces around empty body in
1019 (dbxout_type): Likewise.
1021 * rs6000.c (rs6000_override_options): Change type of `i', `j' and
1022 `ptt_size' from int to size_t.
1023 (rs6000_file_start): Likewise for `i'.
1024 (rs6000_replace_regno): Add default case in enumeration switch.
1025 (output_epilog): Remove unused variable `i'.
1026 (rs6000_longcall_ref): Remove unused variables `len', `p', `reg1'
1029 * rs6000.h (ADDITIONAL_REGISTER_NAMES): Add missing braces around
1031 (get_issue_rate, non_logical_cint_operand): Add prototype.
1032 (rs6000_output_load_toc_table): Ditto.
1034 * rs6000.md (udivmodsi4): Add explicit braces to avoid ambiguous
1037 Wed Mar 25 10:05:19 1998 Nick Clifton <nickc@cygnus.com>
1039 * config/arm/thumb.c: New File. Support for ARM's Thumb
1041 * config/arm/thumb.h: New File. Thumb definitions.
1042 * config/arm/thumb.md: New File. Thumb machine description.
1043 * config/arm/tcoff.h: New File. Thumb COFF support.
1044 * config/arm/t-thumb: New File. Thumb makefile fragment.
1045 * config/arm/lib1thumb.asm: New File. Thumb libgcc support functions.
1047 * configure.in: Add Thumb-coff target.
1048 * configure: Add Thumb-coff target.
1049 * config.sub: Add Thumb-coff target.
1051 Wed Mar 25 10:30:32 1998 Jim Wilson <wilson@cygnus.com>
1053 * loop.c (scan_loop): Initialize move_insn_first to zero.
1055 Wed Mar 25 01:06:49 1998 Joel Sherrill (joel@OARcorp.com)
1057 * config/i386/go32-rtems.h: Defined TARGET_MEM_FUNCTIONS.
1058 * config/i386/rtems.h: Likewise.
1059 * config/i960/rtems.h: Likewise.
1060 * config/m68k/rtems.h: Likewise.
1061 * config/mips/rtems64.h: Likewise.
1062 * config/pa/rtems.h: Likewise.
1063 * config/rs6000/rtems.h: Likewise.
1064 * config/sh/rtems.h: Likewise.
1065 * config/sparc/rtems.h: Likewise.
1067 Wed Mar 25 00:57:26 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1069 * pa.c (emit_move_sequence): If in reload, call find_replacement.
1071 Tue Mar 24 10:44:11 1998 Nick Clifton <nickc@cygnus.com>
1073 * Makefile.in (gcov$(exeext)): Support .exe extension to gcov.
1075 * collect2.c (find_a_file): Add debugging.
1076 (find_a_file): Test for win32 style absolute paths if
1077 DIR_SERPARATOR is defined.
1078 (prefix_from_string): Add debugging.
1079 (main): Test for debug command line switch at start of program
1081 (main): Use GET_ENVIRONMENT rather than getenv().
1082 (prefix_from_env): Use GET_ENVIRONMENT.
1084 1998-03-24 Mark Mitchell <mmitchell@usa.net>
1086 * cplus-dem.c (optable): Add sizeof.
1087 (demangle_template_value_parm): New function containing code
1088 previously found in demangle_template.
1089 (demangle_integral_value): New function which handles complicated
1090 integral expressions.
1091 (demangle_template): Use them.
1093 Tue Mar 24 12:13:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1095 * Makefile.in (genconfig.o, genflags.o, gencodes.o, genemit.o,
1096 genopinit.o, genrecog.o, genextract.o, genpeep.o, genattr.o,
1097 genattrtab.o, genoutput.o): Depend on system.h.
1099 * genattr.c: Include system.h. Add arguments to various function
1100 prototypes. Remove redundant prototype of read_rtx().
1101 * genattrtab.c: Likewise.
1102 * gencodes.c: Likewise.
1103 * genconfig.c: Likewise.
1104 * genemit.c: Likewise.
1105 * genextract.c: Likewise.
1106 * genflags.c: Likewise.
1107 * genopinit.c: Likewise.
1108 * genoutput.c: Likewise.
1109 * genpeep.c: Likewise.
1110 * genrecog.c: Likewise.
1112 1998-03-24 Martin von Loewis <loewis@informatik.hu-berlin.de>
1114 * c-lang.c (lang_print_xnode): New function.
1115 * objc/objc-act.c (lang_print_xnode): Likewise.
1116 * print-tree.c (print_node): Call it
1118 Mon Mar 23 23:59:11 1998 H.J. Lu (hjl@gnu.org)
1120 * c-parse.in: Recognize protocol qualifiers in class
1121 definitions for objc.
1123 (yyerror): Remove redundant decl.
1124 (yyprint): Fix prototype.
1126 Mon Mar 23 23:49:47 1998 Jeffrey A Law (law@cygnus.com)
1128 * cse.c (rtx_cost): Only call CONST_COSTS if it is defined.
1130 * stmt.c (unroll_block_trees): Free block_vector if needed.
1132 Mon Mar 23 23:26:42 1998 Philippe De Muyter <phdm@macqel.be>
1134 * m68k/m68k.md (zero_extendqidi2, zero_extendhidi2): New patterns.
1135 (zero_extendsidi2): Avoid useless copy.
1136 (iordi_zext): New pattern.
1137 (iorsi_zexthi_ashl16): Pattern reworked to avoid "0" constraint for
1139 (iorsi_zext): New name for old unnamed pattern; indentation fixes.
1141 * m68k/m68k.md (ashldi_const): Allow shift count in range ]32,63].
1142 (ashldi3): Allow constant shift count in range ]32,63].
1143 (ashrdi_const, ashrid3, lshrdi_const, lshrdi3): Likewise.
1145 1998-03-22 Mark Mitchell <mmitchell@usa.net>
1147 * tree.h (IS_EXPR_CODE_CLASS): New macro.
1149 Mon Mar 23 23:18:48 1998 Jeffrey A Law (law@cygnus.com)
1151 * h8300.h (CONST_COSTS): Remove definition.
1152 (DEFAULT_RTX_COSTS): Define.
1154 Mon Mar 23 22:58:22 1998 Joel Sherrill (joel@OARcorp.com)
1156 * config/sh/rtems.h: Switched from ELF to COFF.
1158 Mon Mar 23 14:14:20 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1160 * freebsd.h (ASM_OUTPUT_ALIGN): Redefine.
1162 Sat Mar 21 23:52:56 PST 1998 Jeff Law (law@cygnus.com)
1164 * version.c: Bump for snapshot.
1166 Sun Mar 22 00:50:42 1998 Nick Clifton <nickc@cygnus.com>
1167 Geoff Noer <noer@cygnus.com>
1169 * Makefile.in: Various fixes for building cygwin32 native toolchains.
1171 * objc/Makefile.in: Various fixes for building cygwin32 native toolchains.
1172 * objc/Make-lang.in: Likewise.
1174 * config/i386/xm-cygwin32.h (PATH_SEPARATOR): Set to a semi-colon.
1176 Sun Mar 22 00:21:46 1998 R. Ganesan <rganesan@novell.com>
1178 * configure.in: Handle with-PACKAGE=no correctly
1180 Fri Mar 20 17:36:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1182 * Makefile.in (alias.o, bitmap.o, c-aux-info.o, c-common.o,
1183 c-decl.o, c-iterate.o, c-lang.o, c-lex.o, c-pragma.o, c-typeck.o,
1184 caller-save.o, calls.o, collect2.o, combine.o, cse.o, dbxout.o,
1185 dwarf2out.o, dwarfout.o, emit-rtl.o, except.o, explow.o, expmed.o,
1186 expr.o, final.o, flow.o, function.o, getpwd.o, global.o,
1187 integrate.o, jump.o, local-alloc.o, loop.o, optabs.o, pexecute.o,
1188 prefix.o, print-rtl.o, print-tree.o, profile.o, real.o, recog.o,
1189 reg-stack.o, regclass.o, regmove.o, reload.o, reload1.o, reorg.o,
1190 rtl.o, rtlanal.o, sdbout.o, stmt.o, stor-layout.o, stupid.o,
1191 tlink.o, toplev.o, tree.o, unroll.o, varasm.o, xcoffout.o): Depend
1194 * alias.c, bitmap.c, c-aux-info.c, c-common.c, c-decl.c,
1195 c-iterate.c, c-lang.c, c-lex.c, c-pragma.c, c-typeck.c,
1196 caller-save.c, calls.c, collect2.c, combine.c, cse.c, dbxout.c,
1197 dwarf2out.c, dwarfout.c, emit-rtl.c, except.c, explow.c, expmed.c,
1198 expr.c, final.c, flow.c, function.c, gcc.c, getpwd.c, global.c,
1199 integrate.c, jump.c, local-alloc.c, loop.c, optabs.c, pexecute.c,
1200 prefix.c, print-rtl.c, print-tree.c, profile.c, real.c, recog.c,
1201 reg-stack.c, regclass.c, regmove.c, reload.c, reload1.c, reorg.c,
1202 rtl.c, rtlanal.c, sched.c, sdbout.c, stmt.c, stor-layout.c,
1203 stupid.c, tlink.c, toplev.c, tree.c, unroll.c, varasm.c,
1204 xcoffout.c: Include system.h. Organize include ordering so
1205 that stdarg/varargs comes before other system headers. Remove
1206 spurious casts of functions assured of a prototype in system.h.
1208 Fri Mar 20 11:19:40 1998 Stan Cox <scox@equinox.cygnus.com>
1210 * reg-stack.c (pop_stack): Define. Pops any register on the
1211 regstack and adjusts regstack.
1212 (compare_for_stack_reg): Use pop_stack.
1214 Thu Mar 19 23:51:01 1998 Jeffrey A Law (law@cygnus.com)
1216 * configure.in (hppa1.0-hp-hpux10): Handle threads for this
1219 Thu Mar 19 20:30:31 1998 Philippe De Muyter <phdm@macqel.be>
1221 * libgcc2.c (exit): Do not call __bb_exit_func if HAVE_ATEXIT.
1223 * fold-const.c (fold): Replace sign-extension of a zero extended
1224 value by a single zero extension.
1226 Thu Mar 19 00:58:07 1998 Jason Merrill <jason@yorick.cygnus.com>
1228 * except.c (init_eh): Do nothing.
1229 (save_eh_status): Call init_eh_for_function, not init_eh.
1230 * function.c (push_function_context_to): Don't call init_emit.
1232 Thu Mar 19 13:39:52 1998 Michael Meissner <meissner@cygnus.com>
1234 * rs6000/sysv4.h (RELATIVE_PREFIX_NOT_LINKDIR): Undef for System V
1237 Thu Mar 19 10:10:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1239 * final.c (shorten_branches): Add parentheses around +/- in
1242 * flow.c (life_analysis): Wrap variable `i' in macro ELIMINABLE_REGS.
1244 Thu Mar 19 09:15:17 1998 Manfred Hollstein <manfred@s-direktnet.de>
1246 * regclass.c (memory_move_secondary_cost): Wrap uses of
1247 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS
1250 Thu Mar 19 09:06:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
1252 * config/m68k/m68k.md (addqi3): Fix typo gen_INT vs. GEN_INT.
1254 * flow.c (life_analysis): #include <sys/types.h> to make sure
1256 * cplus-dem.c (demangle_function_name): Likewise.
1258 Thu Mar 19 09:00:01 1998 Manfred Hollstein <manfred@s-direktnet.de>
1260 * final.c (insn_noperands): Change type to unsigned int.
1261 (final_scan_insn): Likewise for noperands;
1262 properly check operand number boundaries.
1264 Wed Mar 18 16:20:30 1998 Richard Henderson <rth@cygnus.com>
1266 * alpha.md (extzv): Don't reject register operands. Fix
1269 Wed Mar 18 16:14:23 1998 Richard Henderson <rth@cygnus.com>
1271 * dbxout.c (dbxout_function_end): Fix last change. The correct
1272 predicate is ASM_OUTPUT_SECTION_NAME.
1274 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
1276 * sh.md (ashlsi_c-1): Delete 3rd argument to gen_ashlsi_c.
1277 (ashlsi): Use match_dup 1 instead of match_operand 2.
1279 Wed Mar 18 13:46:07 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1281 * fold-const.c (operand_equal_for_comparison_p): See if equal
1282 when nop conversions are removed.
1284 Wed Mar 18 13:42:01 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1286 * expr.c (expand_expr, case COND_EXPR): If have conditional move,
1287 don't use ORIGINAL_TARGET unless REG.
1289 Wed Mar 18 16:53:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1291 * netbsd.h (ASM_OUTPUT_ALIGN): Redefine.
1293 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
1295 * loop.c (struct movable): New field move_insn_first.
1296 (scan_loop): In consec sets code, set it. Clear it otherwise.
1297 (move_movables): In consec sets code, use it. Copy REG_NOTES from
1298 p to i1 only if i1 does not have REG_NOTES. Delete obsolete ifdefed
1301 Wed Mar 18 09:52:56 1998 Richard Henderson <rth@cygnus.com>
1303 * rtl.c (read_rtx): Fall back on homebrew atoll if HOST_WIDE_INT
1304 is large, and the system doesn't provide atoll or atoq.
1307 * alpha/xm-vms.h (HAVE_ATOLL): Define.
1308 Reported by Klaus Kaempf <kkaempf@progis.de>.
1310 Wed Mar 18 09:56:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1312 * c-lang.c (finish_file): Wrap variable `void_list_node' with macro
1313 test !ASM_OUTPUT_CONSTRUCTOR || !ASM_OUTPUT_DESTRUCTOR.
1315 * calls.c (emit_call_1): Wrap variable `already_popped' with macro
1316 test !ACCUMULATE_OUTGOING_ARGS.
1318 * collect2.c (write_c_file_glob): Wrap function definition in
1319 macro test !LD_INIT_SWITCH.
1321 * combine.c (try_combine): Wrap variables `cc_use' and
1322 `compare_mode' in macro test EXTRA_CC_MODES.
1324 * cpplib.c (do_ident): Remove unused variable `len'.
1325 (skip_if_group): Remove unused variables `at_beg_of_line' and
1327 (cpp_get_token): Remove unused variable `dummy'.
1329 * dbxout.c (scope_labelno): Move static variable definition inside
1330 the one function scope where it is used.
1331 (dbxout_function_end): Wrap prototype and definition in
1332 macro test !NO_DBX_FUNCTION_END.
1334 * dwarf2out.c (add_subscript_info): Wrap variable `dimension_number'
1335 in macro test !MIPS_DEBUGGING_INFO.
1337 * expr.c (expand_builtin_setjmp): Move declaration of variable `i'
1338 into the scope where it is used. Wrap empty else-statement body
1341 * fix-header.c: Fix typo in comment.
1342 (inf_skip_spaces): Cast results of INF_UNGET to (void).
1343 (check_protection, main): Likewise.
1345 * flow.c (find_basic_blocks_1): Remove dangling comment text.
1347 * function.c (contains): Wrap prototype and definition in macro
1348 test HAVE_prologue || HAVE_epilogue.
1349 (fixup_var_refs_1): Remove unused variable `width'.
1351 * gen-protos.c (main): Remove unused variable `optr'.
1353 * haifa-sched.c (debug_control_flow): Remove unused variable `j'.
1355 * libgcc2.c (__udiv_w_sdiv): Provide dummy return value of 0.
1356 (__sjpopnthrow): Remove unused variable `jmpbuf'.
1357 (__throw): Remove unused variable `val'.
1359 * protoize.c: Check for a previously existing definition before
1360 defining *_OK macros.
1362 * scan-decls.c (scan_decls): Remove unused variable `old_written'.
1364 Tue Mar 17 00:45:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1366 * vax.h (ADDR_VEC_ALIGN): Define.
1368 Mon Mar 16 15:57:17 1998 Michael Meissner <meissner@cygnus.com>
1370 * gcc.c (default_arg): Don't wander off the end of allocated
1373 (From Geoffrey Keating <geoffk@ozemail.com.au>)
1374 * rs6000.c (small_data_operand): Ensure that any address
1375 referenced relative to the small data area is inside the SDA.
1377 Mon Mar 16 12:55:15 1998 Jim Wilson <wilson@cygnus.com>
1379 * config/m68k/netbsd.h (ASM_SPEC): Add %{m68060}.
1381 Mon Mar 16 15:50:20 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1383 * except.h (in_same_eh_region): New prototype.
1384 (free_insn_eh_region, init_insn_eh_region): New prototypes.
1385 * except.c (insn_eh_region, maximum_uid): New static variables.
1386 (set_insn_eh_region): New static function to set region numbers.
1387 (free_insn_eh_region): New function to free EH region table.
1388 (init_insn_eh_region): New function to initialize EH region table.
1389 (in_same_eh_region): New function used to determine if two rtl
1390 instructions are in the same exception region or not.
1391 * final.c (final): Initialize the table indicating which instructions
1392 belong in which exception region.
1393 * genpeep.c (main): Add "except.h" to include file list in generated
1395 * config/sparc/sparc.md: Add calls to 'in_same_eh_region' in 4
1396 peepholes involving calls and unconditional branches.
1398 Mon Mar 16 11:16:50 1998 Jim Wilson <wilson@cygnus.com>
1400 * README.gnat: New file.
1402 Mon Mar 16 11:14:20 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1404 * config/m68k/m68k.c: Include <stdlib.h> for atoi. Include
1405 "recog.h" for offsettable_memref_p.
1406 (legitimize_pic_address): Remove unused variable `offset'.
1407 (notice_update_cc): Change return type to void. Add default label
1409 (standard_68881_constant_p): Remove unused variable mode.
1410 (print_operand): Define local variable i only if SUPPORT_SUN_FPA.
1411 (const_int_cost): Explicitly declare as returning int.
1412 (output_dbcc_and_branch): Change return type to void.
1414 * config/m68k/linux.h, config/m68k/m68k.md, config/m68k/m68k.c,
1415 config/m68k/m68k.h: Replace gen_rtx (XXX, ...) with gen_rtx_XXX
1416 (...). Use GEN_INT instead of gen_rtx_CONST_INT.
1418 Sun Mar 15 22:30:44 PST 1998 Jeff Law (law@cygnus.com)
1420 * version.c: Bump for snapshot.
1422 Fri Mar 13 11:30:12 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1424 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Fix logic in range
1425 check for 'M' constraint.
1427 Thu Mar 12 14:47:14 1998 Jim Wilson <wilson@cygnus.com>
1429 * cccp.c (create_definition): If pedantic, call pedwarn for macro
1432 Thu Mar 12 13:43:25 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1434 * i386.c (ix86_logical_operator): New function.
1435 (split_di): Ensure that when a MEM is split, the resulting MEMs have
1437 * i386.md (anddi3, xordi3, iordi3): New patterns. Add a define_split
1440 Thu Mar 12 15:13:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1441 Richard Earnshaw <rearnsha@arm.com>
1442 Nick Clifton <nickc@cygnus.com>
1444 * tm.texi (DEFAULT_RTX_COSTS): Document new macro.
1446 * arm.h (DEFAULT_RTX_COSTS): Define instead of RTX_COSTS.
1448 * cse.c (rtx_cost): Provide a default case in an enumeration
1449 switch, and call DEFAULT_RTX_COSTS if it's defined.
1451 Thu Mar 12 10:02:38 1998 Manfred Hollstein <manfred@s-direktnet.de>
1453 * basic-block.h (compute_preds_succs): Change return type in
1455 * flow.c (compute_preds_succs): Likewise in function definition.
1457 * regmove.c (find_matches): Cast char used as array index to unsigned char
1460 Thu Mar 12 09:39:40 1998 Manfred Hollstein <manfred@s-direktnet.de>
1462 * i386.h (RTX_COSTS): Insert braces around nested if.
1463 (ADDITIONAL_REGISTER_NAMES): Insert braces around structured
1466 * gcc.c (default_compilers): Properly put brackets around array elements in
1469 * getopt.c (_getopt_internal): Add explicit braces around nested if;
1472 * reg-stack.c (record_asm_reg_life): Add explicit braces around nested if's.
1473 (record_reg_life_pat): Add explicit parens around && and || in expression.
1474 (stack_reg_life_analysis): Add parens around assignment used as expression.
1475 (convert_regs): Likewise.
1477 Thu Mar 12 09:25:29 1998 Manfred Hollstein <manfred@s-direktnet.de>
1479 * bitmap.c (bitmap_element_allocate): Remove unused parameter;
1480 change callers accordingly.
1482 * cplus-dem.c (arm_special): Remove unused parameter work in prototype
1483 and definition; change all callers accordingly.
1485 * except.c (init_eh): Avoid assignment of unused return value of
1486 build_pointer_type; cast it to void, instead, and remove unused
1489 * gcc.c (lang_specific_driver): Define prototype only #ifdef
1490 LANG_SPECIFIC_DRIVER.
1491 (temp_names): Define only #ifdef MKTEMP_EACH_FILE.
1493 * genoutput.c (output_epilogue): Initialize next_name to 0.
1495 * real.c (efrexp): #if 0 prototype and function definition.
1496 (eremain): Likewise.
1503 * reload.c (push_secondary_reload): Define prototype only
1504 #ifdef HAVE_SECONDARY_RELOADS.
1506 * varasm.c (assemble_static_space): Define rounded only
1507 #ifndef ASM_OUTPUT_ALIGNED_LOCAL.
1509 Thu Mar 12 09:11:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
1511 * i386.md (andsi): Add default case in enumeration switch.
1516 Thu Mar 12 08:37:02 1998 Manfred Hollstein <manfred@s-direktnet.de>
1518 * c-decl (finish_struct): Change type of min_align to unsigned.
1520 * cplus-dem.c (demangle_function_name): Change type of variable i to size_t;
1521 remove unused variable len.
1523 * dwarf2out.c (reg_save): Add explicit cast of -1 to unsigned and a
1524 comment indicating this is proper behaviour.
1525 (reg_loc_descriptor): Remove redundant comparison of unsigned variable
1527 (based_loc_descr): Likewise.
1529 * enquire.c (bitpattern): Change type of variable i to unsigned.
1531 * final.c (output_asm_insn): Don't cast insn_noperands to unsigned.
1533 * flow.c (life_analysis): Change type of variable i to size_t;
1534 remove unused variable insn.
1536 * gcc.c (translate_options): Change type of variables optlen, arglen and
1538 (input_filename_length): Change type to size_t.
1539 (do_spec_1): Change type of variable bufsize to size_t.
1540 (main): Change type of variables i and j to size_t;
1541 remove subblock local definition of variable i.
1542 (lookup_compiler): Change type of second argument to size_t;
1543 change type of variable i to size_t.
1545 * genemit.c (output_init_mov_optab): Change type of variable i to size_t.
1547 * genopinit.c (get_insn): Change type of variable pindex to size_t.
1549 * genrecog.c (add_to_sequence): Change type of variable i to size_t.
1551 * global.c (global_alloc): Change type of variable i to size_t.
1553 * regclass.c (init_reg_sets): Change type of variables i and j to unsigned.
1555 * stmt.c (expand_end_bindings): Change type of variable i to size_t.
1556 (expand_end_case): Change type of variable count to size_t.
1558 * toplev.c (main): Change type of variable j to size_t.
1559 (set_target_switch): Change type of variable j to size_t.
1560 (print_switch_values): Change type of variable j to size_t;
1561 remove unused variable flags.
1563 * varasm.c (assemble_variable): Change type of variable align to size_t.
1564 (const_hash_rtx): Change type of variable i to size_t.
1566 1998-03-11 Mark Mitchell <mmitchell@usa.net>
1568 * dbxout.c (dbxout_type_methods): Only treat TYPE_METHODS as a
1569 TREE_VEC if that's what it really is.
1571 Wed Mar 11 15:16:01 1998 Michael Meissner <meissner@cygnus.com>
1573 * {haifa-,}sched.c (rank_for_schedule): Only take void * arguments
1576 Wed Mar 11 12:05:20 1998 Teemu Torma <tot@trema.com>
1578 * gthr.h: Changed the comment about return values.
1579 * gthr-solaris.h (__gthread_once): Do not use errno; return the
1580 error number instead of -1.
1581 (__gthread_key_create): Any non-zero return value is an error.
1582 * libgcc2.c (eh_context_initialize): Check for non-zero return
1583 value from __gthread_once.
1584 Check that the value of get_eh_context was really changed.
1586 Wed Mar 11 18:26:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1588 * sh.h (LOOP_ALIGN): Only align when optimizing.
1589 * sh.c (find_barrier): Clear inc for CODE_LABELs.
1590 When not optimizing, calculate alignment for BARRIERs directly.
1592 Wed Mar 11 15:07:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1594 * final.c (shorten_branches): Remove conditionalizing on
1595 SHORTEN_WITH_ADJUST_INSN_LENGTH
1596 * sh.h, pa.h (SHORTEN_WITH_ADJUST_INSN_LENGTH): Remove.
1598 Wed Mar 11 02:37:41 1998 Jeffrey A Law (law@cygnus.com)
1600 * flow.c (find_basic_blocks_1): Keep the cfg accurate when removing
1601 an unconditional jump around deleted blocks.
1603 Mon Mar 9 12:02:23 1998 Jim Wilson <wilson@cygnus.com>
1605 * profile.c (branch_prob): If see computed goto, call fatal instead of
1608 * config/mips/sni-svr4.h (CPP_PREDEFINE): Add -DSNI and -Dsinix.
1610 * configure.in (alpha-dec-osf): Add default case for osf* to switch.
1611 Patch from Bruno Haible.
1613 * function.c (put_reg_into_stack): Copy MEM_IN_STRUCT_P from new.
1614 (assign_parms): Set aggregate if hide_last_arg and last_named.
1616 Mon Mar 9 19:57:56 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1618 * final.c (shorten_branches): Initialize insn_addresses.
1620 Mon Mar 9 14:10:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1622 * sh.h (MUST_PASS_IN_STACK): Define.
1624 Sun Mar 8 13:01:56 1998 Jeffrey A Law (law@cygnus.com)
1626 * final.c (shorten_branches): Fix minor logic error in
1627 ADDR_DIFF_VEC shortening support.
1629 Sun Mar 8 02:17:42 PST 1998 Jeff Law (law@cygnus.com)
1631 * version.c: Bump for snapshot.
1633 Sat Mar 7 00:54:15 1998 Jeffrey A Law (law@cygnus.com)
1635 * haifa-sched.c (is_cfg_nonregular): Change return type to
1636 an int. No longer compute "estimated" number of edges. Use
1637 computed_jump_p instead of duplicating the code. Fixup/add
1639 (build_control_flow): Returns a value indicating an irregularity
1640 in the cfg was detected. Count the number of edges in the cfg.
1641 allocate various edge tables.
1642 (find_rgns): No longer look for unreachable blocks.
1643 (schedule_insns): Do not allocate memory for edge tables here.
1644 Free memory for edge tables before returning. Do not perform
1645 cross block scheduling if build_control_flow returns nonzero.
1646 * flow.c (compute_preds_succs): More accurately determine when
1649 * basic-block.h (free_basic_block_vargs): Provide prototype.
1651 * cccp.c (main): Fix dumb mistakes in last change.
1653 Fri Mar 6 21:28:45 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1655 * rtl.h (addr_diff_vec_flags): New typedef.
1656 (union rtunion_def): New member rt_addr_diff_vec_flags.
1657 (ADDR_DIFF_VEC_FLAGS): New macro.
1659 * sh.c (output_branch): Fix offset overflow problems.
1661 * final.c (shorten_branches): Implement CASE_VECTOR_SHORTEN_MODE.
1662 (final_scan_insn): New argument BODY for ASM_OUTPUT_ADDR_DIFF_ELT.
1663 * rtl.def (ADDR_DIFF_VEC): Three new fields (min, max and flags).
1664 * stmt.c (expand_end_case): Supply new arguments to
1665 gen_rtx_ADDR_DIFF_VEC.
1666 * 1750a.h (ASM_OUTPUT_ADDR_DIFF_ELT): New argument BODY.
1667 * alpha.h, arc.h, clipper.h, convex.h : Likewise.
1668 * dsp16xx.h, elxsi.h, fx80.h, gmicro.h, h8300.h : Likewise.
1669 * i370.h, i386.h, i860.h, i960.h, m32r.h, m68k.h, m88k.h : Likewise.
1670 * mips.h, mn10200.h, mn10300.h, ns32k.h, pa.h, pyr.h : Likewise.
1671 * rs6000.h, sh.h, sparc.h, spur.h, tahoe.h, v850.h : Likewise.
1672 * vax.h, we32k.h, alpha/vms.h, arm/aof.h, arm/aout.h : Likewise.
1673 * i386/386bsd.h, i386/freebsd-elf.h : Likewise.
1674 * i386/freebsd.h, i386/linux.h : Likewise.
1675 * i386/netbsd.h, i386/osfrose.h, i386/ptx4-i.h, i386/sco5.h : Likewise.
1676 * i386/sysv4.h, m68k/3b1.h, m68k/dpx2.h, m68k/hp320.h : Likewise.
1677 * m68k/mot3300.h, m68k/sgs.h : Likewise.
1678 * m68k/tower-as.h, ns32k/encore.h, sparc/pbd.h : Likewise.
1679 * sh.h (INSN_ALIGN, INSN_LENGTH_ALIGNMENT): Define.
1680 (CASE_VECTOR_SHORTEN_MODE): Define.
1681 (short_cbranch_p, align_length, addr_diff_vec_adjust): Don't declare.
1682 (med_branch_p, braf_branch_p): Don't declare.
1683 (mdep_reorg_phase, barrier_align): Declare.
1684 (ADJUST_INSN_LENGTH): Remove alignment handling.
1685 * sh.c (uid_align, uid_align_max): Deleted.
1686 (max_uid_before_fixup_addr_diff_vecs, branch_offset): Deleted.
1687 (short_cbranch_p, med_branch_p, braf_branch_p, align_length): Deleted.
1688 (cache_align_p, fixup_aligns, addr_diff_vec_adjust): Deleted.
1689 (output_far_jump): Don't use braf_branch_p.
1690 (output_branchy_insn): Don't use branch_offset.
1691 (find_barrier): Remove checks for max_uid_before_fixup_addr_diff_vecs.
1692 Remove paired barrier stuff.
1693 Don't use cache_align_p.
1694 Take alignment insns into account.
1695 (fixup_addr_diff_vecs): Reduce to only fixing up the base label of
1697 (barrier_align, branch_dest): New function.
1698 (machine_dependent_reorg, split_branches): Remove infrastructure
1699 for branch shortening that is now provided in the backend.
1700 * sh.md (short_cbranch_p, med_branch_p, med_cbranch_p): New attributes.
1701 (braf_branch_p, braf_cbranch_p): Likewise.
1702 (attribute length): Use new attributes.
1703 (casesi_worker): Get mode and unsignednedd from ADDR_DIFF_VEC.
1704 (addr_diff_vec_adjust): Delete.
1705 (align_2): Now a define_expand.
1706 (align_log): Now length 0.
1708 Fri Mar 6 14:41:33 1998 Michael Meissner <meissner@cygnus.com>
1710 * m32r.md (right): Correctly check for length == 2, not 1.
1712 Fri Mar 6 14:00:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1714 * mips/mips.h: Prototype `machine_dependent_reorg'.
1715 (ASM_OUTPUT_ALIGN): Remove unused variable `mask'.
1717 Fri Mar 6 11:43:35 1998 Joern Rennecke (amylaar@cygnus.co.uk)
1719 * final.c (shorten_branches): Restore accidentally removed code.
1721 Fri Mar 6 11:00:49 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1723 * configure.in: Remove duplicate uses of AC_PROG_CC and
1726 Fri Mar 6 00:59:30 1998 Richard Henderson <rth@cygnus.com>
1728 * configure.in (target_cpu_default2): Correct typo for alphapca56.
1730 Thu Mar 5 23:24:50 1998 Jeffrey A Law (law@cygnus.com)
1731 Doug Evans (devans@cygnus.com)
1733 * haifa-sched.c (build_jmp_edges): Delete dead function.
1734 (build_control_flow): Use cfg routines from flow.c
1735 (schedule_insns): Remove debugging code accidentally checked
1738 * basic-block.h: Add external integer list structures, typdefs,
1739 accessor macros and function declarations. Simlarly for
1740 basic block pred/succ support and simple bitmap stuff.
1741 * flow.c: Add functions for integer list, basic block pred/succ
1742 support and simple bitmap support.
1743 (compute_dominators): New function to compute dominators and
1745 (find_basic_blocks): Split into two functions.
1746 (life_analysis): Likewise.
1747 (flow_analysis): Removed. Now handled by calling find_basic_blocks,
1748 the life_analysis from toplev.c
1749 * toplev.c (rest_of_compilation): Call find_basic_blocks, then
1750 life_analysis instead of flow_analysis.
1752 Thu Mar 5 23:06:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1754 * jump.c (jump_optimize): Call mark_jump_label also for deleted
1756 (mark_jump_label): Don't increment ref counts for deleted insns.
1758 Thu Mar 5 09:55:15 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1760 * mips/iris6.h (TARGET_DEFAULT): Parenthesize macro definition.
1762 * mips/mips.c: Include stdlib.h and unistd.h.
1763 (mips_asm_file_end): Add braces around empty body in an if-statement.
1764 (function_prologue): Wrap variable `fnname' in
1765 !FUNCTION_NAME_ALREADY_DECLARED. Correct format specifier in fprintf.
1766 (mips_select_rtx_section, mips_select_section): Declare as void.
1768 * mips/mips.h: Add prototypes for extern functions in mips.c.
1769 (FUNCTION_ARG_REGNO_P): Add parentheses around && within ||.
1770 (ENCODE_SECTION_INFO): Add braces around empty body in an
1773 * mips/mips.md (movdi): Add parentheses around && within ||.
1774 (movsf, movdf): Likewise.
1775 (branch_zero, branch_zero_di): Add default case in
1779 Thu Mar 5 02:45:48 1998 Richard Henderson <rth@cygnus.com>
1781 * alpha/alpha.h (TARGET_WINDOWS_NT, TARGET_OPEN_VMS): Just make them
1782 real constants, since they can't be changed.
1783 (TARGET_AS_CAN_SUBTRACT_LABELS): New.
1784 * alpha/alpha.md (builtin_setjmp_receiver): Use it.
1785 * alpha/osf.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
1786 * alpha/osf2or3.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
1787 * alpha/vms.h (TARGET_OPEN_VMS): New.
1788 * alpha/win-nt.h (TARGET_WINDOWS_NT): New.
1790 Thu Mar 5 02:41:27 1998 Richard Henderson <rth@cygnus.com>
1792 * reload.c (find_reloads): Always force (subreg (mem)) to be
1793 reloaded if WORD_REGISTER_OPERATIONS.
1795 Thu Mar 5 02:14:44 1998 Richard Henderson <rth@cygnus.com>
1797 * haifa-sched.c (free_list): Rename from free_pnd_lst.
1798 (free_pending_lists): Rename free_pnd_lst uses.
1799 (remove_dependence): Place expunged element on unused_insn_list.
1800 (alloc_INSN_LIST, alloc_EXPR_LIST): New. Change all callers of
1801 gen_rtx_*_LIST and alloc_rtx to use them.
1802 (compute_block_backward_dependences): Free the reg_last_* lists.
1804 Thu Mar 5 00:05:40 1998 Jeffrey A Law (law@cygnus.com)
1806 * cccp.c (main): Avoid undefined behavior when setting pend_includes
1809 Wed Mar 4 21:58:25 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
1811 * rs6000/linux.h: don't define DEFAULT_VTABLE_THUNKS to 1 if
1812 USE_GNULIBC_1 is defined
1813 * configure.in: add a new case powerpc-*-linux-gnulibc1 which
1814 includes the t-linux-gnulibc1 fragment
1816 Wed Mar 4 12:11:36 1998 Jim Wilson <wilson@cygnus.com>
1818 * mips.md (movdf_internal1a): Fix misplaced parenthesis in condition.
1820 Wed Mar 4 18:47:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1822 * final.c (final_scan_insn, case CODE_LABEL: Cleanup.
1824 Wed Mar 4 15:51:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1826 * final.c (shorten_branches): Tag the loop alignment onto the
1827 first label after NOTE_INSN_LOOP_BEG even if there is an
1830 Tue Mar 3 21:48:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1832 * final.c (insn_current_reference_address):
1833 Use SEQ instead of BRANCH as argument to align_fuzz, to get a
1834 proper alignment chain.
1836 * final.c (max_labelno): New static variable.
1837 (final_scan_insn): Check max_labelno before outputting an
1838 alignment for a label.
1839 (shorten_branches): Remove unused variable length_align.
1841 Tue Mar 3 14:27:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1843 * sparc.c (ultrasparc_adjust_cost): Add default case in
1846 * sparc.h: Add prototypes for extern functions defined in
1849 Tue Mar 3 10:00:11 1998 Nick Clifton <nickc@cygnus.com>
1851 * toplev.c: Only generate <name>.dbr file when dumping RTL if
1852 DEALY_SLOTS is defined.
1854 Tue Mar 3 07:36:37 1998 Manfred Hollstein <manfred@s-direktnet.de>
1856 * reorg.c (fill_eager_delay_slots): Add new argument delay_list
1857 in call to fill_slots_from_thread.
1859 Mon Mar 2 13:45:03 1998 Richard Henderson <rth@cygnus.com>
1861 * alpha/linux.h (CPP_PREDEFINES): Correct connecting whitespace
1862 to SUB_CPP_PREDEFINES. Reported by asun@saul4.u.washington.edu.
1864 Mon Mar 2 22:59:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1866 * final.c (insn_last_address, insn_current_align, uid_align):
1868 (in_align_chain, align_fuzz, align_shrink_fuzz): New functions.
1869 (insn_current_reference_address): Likewise.
1870 (shorten_branches, final_scan_insn): Implement LABEL_ALIGN,
1871 LABEL_ALIGN_AFTER_BARRIER and LOOP_ALIGN target macros.
1872 (label_to_alignment): New function.
1873 * genattrtab.c (write_test_expr): If one of LABEL_ALIGN,
1874 LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN is defined, call
1875 insn_current_reference_address instead of insn_current_address.
1876 (or_attr_value, write_length_unit_log): New functions.
1877 (main): Call write_length_unit_log.
1878 (write_const_num_delay_slots): Output extra '\n'.
1879 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE):
1881 (LOOP_ALIGN, ALIGN_LABEL_AFTER_BARRIER).
1882 * i386.h, i386/osfrose.h, i386/svr3dbx.h, m68k.h, sparc.h: Likewise.
1883 * arc.h, m32r.h (ASM_OUTPUT_LOOP_ALIGN): replace with:
1885 * i960.h, m88k.h: (ASM_OUTPUT_ALIGN_CODE): Replace with:
1886 (LABEL_ALIGN_AFTER_BARRIER).
1887 * ns32k/encore.h, ns32k/merlin.h, ns32k.h, ns32k/sequent.h: Likewise.
1888 * ns32k/tek6000.h: Likewise.
1889 * i386/gas.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Delete.
1890 * i386.md (casesi+1): Use ASM_OUTPUT_ALIGN instead of
1891 ASM_OUTPUT_ALIGN_CODE.
1893 Mon Mar 2 01:05:50 PST 1998 Jeff Law (law@cygnus.com)
1895 * version.c: Bump for snapshot.
1897 Mon Mar 2 00:52:18 PST 1998 Jeff Law (law@cygnus.com)
1899 * version.c: Bump for snapshot.
1901 Sun Mar 1 18:25:49 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
1903 * reorg.c (fill_slots_from_thread): Don't steal delay list from target
1904 if condition code of jump conflicts with opposite_needed.
1906 * reorg.c (fill_slots_from_thread): Mark resources referenced in
1907 opposite_needed thread. Return delay_list even when cannot get
1908 any more delay insns from end of subroutine.
1910 Sun Mar 1 18:26:21 1998 Ken Rose (rose@acm.org)
1912 * reorg.c (fill_slots_from_thread): New parameter, delay_list.
1913 All callers changed.
1915 Sun Mar 1 18:25:37 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1917 * frame.c (start_fde_sort, fde_split, heapsort, fde_merge,
1918 end_fde_sort): New functions for fast sorting of an FDE array.
1919 (fde_insert): Simplified.
1920 (add_fdes): Change argument list.
1921 (frame_init): Use the new functions.
1923 Sun Mar 1 18:06:21 1998 Jeffrey A Law (law@cygnus.com)
1925 * ginclude/va-ppc.h (va_arg): Fix typo in long long support.
1927 * i386.c (reg_mentioned_in_mem): Fix dangling else statement.
1929 * fold-const.c (fold_range_test): Always return a value.
1931 Sun Mar 1 17:57:34 1998 Mumit Khan <khan@xraylith.wisc.edu>
1933 * config/i386/winnt.c (i386_pe_unique_section): Put read-only
1934 data in the text section unless READONLY_DATA_SECTION is defined.
1936 Sun Mar 1 17:48:46 1998 Jeffrey A Law (law@cygnus.com)
1938 * c-parse.in (undeclared variable error): Tweak error message to
1941 Sun Mar 1 10:22:36 PST 1998 Jeff Law (law@cygnus.com)
1943 * version.c: Bump for snapshot.
1945 1998-02-28 Mark Mitchell <mmitchell@usa.net>
1947 * final.c (final_scan_insn): Undo overzealous removal of `set'.
1949 Sat Feb 28 07:54:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1951 * pa.h (CONST_COSTS): When checking the CONST_DOUBLE enumerated
1952 case, add parentheses to specify the proper order of precedence in
1956 * c-aux-info.c: Include string.h/strings.h.
1958 * pa.c: Include stdlib.h.
1959 (pa_combine_instructions): Prototype the function.
1960 (pa_can_combine_p, forward_branch_p, shadd_constant_p): Likewise.
1961 (reloc_needed): Add default case for enumeration switch.
1962 (remove_useless_addtr_insns): Remove unused variable `all'.
1963 (hppa_expand_prologue): Add explicit braces to avoid
1965 (output_function_epilogue): Remove unused variable `i'.
1966 (output_millicode_call): Remove unused variable `link'.
1967 (shadd_constant_p, forward_branch_p): Make the function static.
1968 (following_call): Explicitly declare to return int.
1969 (pa_reorg): Declare as void.
1970 (pa_combine_instructions): Declare as static void. Add
1971 parentheses around && within ||.
1973 * pa.h: Add prototypes for pa_reorg, symbolic_operand,
1974 following_call, function_label_operand, lhs_lshift_cint_operand
1977 * pa.md: Add parentheses around && within ||.
1979 * cppalloc.c: Include stdlib.h.
1981 * cpperror.c (cpp_print_containing_files): Remove unused variable
1982 `i'. Fix format specifier in fprintf.
1984 * cse.c (cse_around_loop): Add explicit braces to avoid
1986 (delete_dead_from_cse): Wrap variable `tem' in macro HAVE_cc0.
1988 * expr.c (expand_expr): Add parentheses around && within ||.
1990 * final.c (app_enable): Replace fprintf with fputs where there are
1991 no format specifiers and no trailing argument after the string.
1992 Eg, when printing ASM_APP_ON/ASM_APP_OFF.
1993 (app_disable): Likewise.
1994 (final_end_function): Likewise.
1995 (final_scan_insn): Likewise. Remove unused variable `set'.
1996 (profile_function): Wrap empty if-statement body in {} brackets.
1998 * function.c: Include stdlib.h.
1999 (pad_below): Wrap prototype and definition in ARGS_GROW_DOWNWARD.
2000 (reposition_prologue_and_epilogue_notes): Add parentheses
2001 around assignment used as truth value.
2003 * integrate.c (expand_inline_function): Wrap variable
2004 `cc0_insn' in macro HAVE_cc0.
2006 * jump.c (jump_optimize): Wrap variable `q' in macro
2007 HAVE_cc0. Remove unused variable `prev1'.
2009 * libgcc2.c (__bb_exit_trace_func): Add parentheses around &&
2010 within ||. Fix format specifier in fprintf.
2011 (__bb_init_prg): Add parentheses around assignment used as
2014 * local-alloc.c: Include stdlib.h.
2015 (requires_inout): Add parentheses around assignment used
2018 * loop.c (analyze_loop_iterations): Wrap prototype and definition
2019 in macro HAVE_decrement_and_branch_on_count.
2020 (insert_bct, instrument_loop_bct): Likewise.
2021 (move_movables): Add parentheses around assignment used as
2023 (consec_sets_invariant_p): Likewise.
2024 (maybe_eliminate_biv_1): Wrap variable `new' in macro HAVE_cc0.
2026 * objc/objc-act.c: Include stdlib.h.
2027 (lookup_method_in_protocol_list): Wrap empty else-statement body
2029 (lookup_protocol_in_reflist): Likewise.
2030 (objc_add_static_instance): Remove unused variables `decl_expr'
2032 (get_objc_string_decl): Remove unused variable `decl'.
2033 (generate_static_references): Remove unused variables `idecl' and
2035 (check_protocols): Wrap empty else-statement body in braces.
2037 * protoize.c: Include stdlib.h.
2038 (substr): Add parentheses around assignment used as truth value.
2039 (abspath): Likewise.
2040 (shortpath): Likewise.
2042 * regmove.c (fixup_match_1): Add parentheses around assignment
2043 used as truth value.
2045 * reload.c (push_secondary_reload): Remove unused variable `i'.
2046 (find_reloads): Add parentheses around assignment used as truth
2049 * reload1.c: Include stdlib.h.
2051 * rtl.h: Correct typo in prototype of offsettable_memref_p.
2053 * stmt.c (add_case_node): Add parentheses around assignment used
2055 (case_tree2list): Likewise.
2057 * tree.c (valid_machine_attribute): Wrap variable `decl_attr_list'
2058 in macro VALID_MACHINE_DECL_ATTRIBUTE. Wrap variable
2059 `type_attr_list' in macro VALID_MACHINE_TYPE_ATTRIBUTE.
2060 (merge_attributes): Add explicit braces to avoid ambiguous
2063 * unroll.c (copy_loop_body): Wrap variable `cc0_insn' in
2066 * varasm.c: Include stdlib.h.
2069 * system.h: Remove sys/stat.h.
2070 * gcc.c: Add sys/stat.h.
2072 * genattr.c: Wrap prototype of `free' in NEED_DECLARATION_FREE.
2073 * genattrtab.c: Likewise.
2074 * genconfig.c: Likewise.
2075 * genemit.c: Likewise.
2076 * genextract.c: Likewise.
2077 * genflags.c: Likewise.
2078 * genopinit.c: Likewise.
2079 * genoutput.c: Likewise.
2080 * genpeep.c: Likewise.
2081 * genrecog.c: Likewise.
2082 * tlink.c: Likewise. Also wrap `getenv' in NEED_DECLARATION_GETENV.
2084 Fri Feb 27 11:02:47 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2086 * invoke.texi: Use @itemx for a secondary item in a @table.
2088 * config/m68k/m68k.md (movsf+1): Optimize moving a CONST_DOUBLE
2091 Thu Feb 26 00:13:21 1998 Ian Lance Taylor <ian@cygnus.com>
2093 * choose-temp.c: Fix handling of sys/file.h to work in libiberty.
2095 Wed Feb 25 23:40:54 1998 Jeffrey A Law (law@cygnus.com)
2097 * i386.c (struct machine_function): Add new fields for PIC stuff.
2098 (save_386_machine_status): Fix argument to xmalloc. Save pic_label_rtx
2100 (restore_386_machine_status): Corresponding changes.
2101 (clear_386_stack_locals): Also clear pic_label_rtx and pic_label_name.
2103 Wed Feb 25 01:31:40 1998 Jeffrey A Law (law@cygnus.com)
2105 * c-parse.y (undeclared variable error): Tweak error message
2108 Tue Feb 24 23:54:07 1998 Richard Henderson <rth@cygnus.com>
2110 * flags.h (g_switch_value, g_switch_set): Declare.
2111 * alpha.c (override_options): Set g_switch_value=8 if not set.
2112 * alpha/elf.h (CC1_SPEC): New.
2114 (LINK_SPEC): Pass along the -G value we were given.
2115 (LOCAL_ASM_OP): Remove.
2116 (ASM_OUTPUT_ALIGNED_LOCAL): Output to .bss or .sbss by size.
2117 (MAX_OFILE_ALIGNMENT): New.
2118 (BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP): New.
2119 (EXTRA_SECTIONS): Add sbss and sdata.
2120 (SECTION_FUNCTION_TEMPLATE): New.
2121 (EXTRA_SECTION_FUNCTIONS): Use it.
2122 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
2123 (SELECT_SECTION): Use sdata when small enough.
2124 * alpha/linux.h (ASM_SPEC): Remove.
2127 Mon Feb 23 15:09:18 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2128 * config.sub (sco5): Fix typo.
2130 Mon Feb 23 18:19:31 1998 Manfred Hollstein <manfred@s-direktnet.de>
2132 * config/t-linux (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Add macros and
2134 * config/t-linux-aout (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Likewise.
2135 * config/alpha/t-linux: Remove file.
2136 * config/sparc/t-linux: Remove file.
2137 * config/m68k/t-linux (LIBGCC1, CROSS_LIBGCC1): Remove.
2138 * config/m68k/t-linux-aout (LIBGCC1, CROSS_LIBGCC1): Likewise.
2139 * configure.in (alpha*-*-linux-gnulibc1*): Use t-linux instead of alpha/t-linux
2141 (alpha*-*-linux-gnu*): Likewise.
2142 (sparc-*-linux-gnulibc1*): Use t-linux instead of sparc/t-linux for tmake_file.
2143 (sparc-*-linux-gnu*): Likewise.
2145 Mon Feb 23 10:47:39 1998 Robert Lipe <robertl@dgii.com>
2146 * collect2.c (ldd_file_name): Bracket declaration with same
2148 (full_real_ld_suffix): Deleted. Variable was calloced and
2149 written into, but never read.
2151 1998-02-23 Mike Stump <mrs@wrs.com>
2153 * configure.in: Add support for i386-wrs-vxworks configuration.
2154 * i386/vxi386.h: New file.
2156 Sun Feb 22 21:16:51 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2158 * tree.c (contains_placeholder_p): Ensure function always returns
2160 * sparc.md (movdi_sp64_insn): Add default case in enumeration switch.
2161 (movsf_const_insn, movdf_const_insn, movtf_const_insn): Likewise.
2163 Sun Feb 22 20:58:19 1998 Jeffrey A Law (law@cygnus.com)
2165 * vms.h (SELECT_SECTION): Use TREE_CODE_CLASS correctly.
2167 1998-02-22 Paul Eggert <eggert@twinsun.com>
2169 * config/sparc/sol2-sld.h (LINKER_DOES_NOT_WORK_WITH_DWARF2):
2170 Define this new symbol.
2171 (DWARF2_DEBUGGING_INFO, DWARF_DEBUGGING_INFO): Do not #undef.
2172 * toplev.c (main): Do not default to DWARF2_DEBUG with -ggdb if
2173 LINKER_DOES_NOT_WORK_WITH_DWARF2 is defined.
2175 Sun Feb 22 20:07:32 1998 Jim Wilson <wilson@cygnus.com>
2177 * iris5.h (DWARF2_UNWIND_INFO): Define to 0.
2178 * iris5gas.h (DWARF2_UNWIND_INFO): Define to 1.
2180 Sun Feb 22 15:29:48 1998 Richard Henderson <rth@cygnus.com>
2182 * objc/Object.m (-error): Call objc_verror with our va_list.
2184 Sun Feb 22 09:45:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2186 * collect2.c (scan_prog_file): Completely cover uses of variable
2187 `exports' with macro COLLECT_EXPORT_LIST.
2189 Sat Feb 21 20:36:23 1998 Jeff Law (law@cygnus.com)
2191 * version.c: Bump for snapshot.
2193 Fri Feb 20 16:22:13 1998 Michael Meissner <meissner@cygnus.com>
2195 * sched.c (schedule_block): Remove code to get arguments from hard
2196 regs into pseudos early. Same as Aug 25, 1997 change to
2199 1998-02-20 Jason Merrill <jason@yorick.cygnus.com>
2201 * collect2.c (main): Still handle !do_collecting for non-AIX targets.
2203 1998-02-16 Mark Mitchell <mmitchell@usa.net>
2205 * toplev.c (rest_of_compilation): Do not defer the output of a
2208 Fri Feb 20 10:39:47 1998 Michael Tiemann <michael@impact.tiemann.org>
2210 * ginclude/va-mips.h (va_arg): Remove trailing space after '\'
2211 continuation character (line 243).
2213 Fri Feb 20 12:10:26 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2215 * genrecog.c (main): Remove duplicated sentence in emitted comment.
2217 Thu Feb 19 22:36:53 1998 Andrey Slepuhin <pooh@msu.net>
2218 David Edelsohn <edelsohn@mhpcc.edu>
2220 * collect2.c (XCOFF_SCAN_LIBS): Remove.
2221 (export_flag): New variable.
2222 (export_file): #ifdef COLLECT_EXPORT_LIST.
2223 (import_file, exports, imports, undefined): New variables.
2224 (libs, cmdline_lib_dirs, libpath_lib_dirs, libpath, libexts): Same.
2225 (dump_list, dump_prefix_list, is_in_list): New functions.
2226 (write_export_file): $ifdef COLLECT_EXPORT_LIST.
2227 (write_import_file, resolve_lib_name): New functions.
2228 (use_import_list, ignore_library): Same.
2229 (collect_exit): maybe_unlink import_file and #ifdef.
2231 (main): New variable importf, #ifdef exportf. Move parsing of
2232 -shared before general argument parsing. Resolve AIX library
2233 paths and import libgcc.a symbols. Treat .so shared libraries the
2234 same as objects and .a libraries. Create alias for object_lst and
2235 increment it instead of original pointer. Scan AIX libraries as
2236 objects earlier instead of using scan_libraries. Perform AIX
2237 tlink later to resolve templates instead of forking ld.
2238 (GCC_OK_SYMBOL): Ensure symbol not in undef section.
2239 (GCC_UNDEF_SYMBOL): New macro.
2240 (scan_prog_file): Loop for members of AIX libraries. Handle
2241 export/import of ctors/dtors.
2242 (aix_std_libs): New variable.
2243 (scan_libraries, XCOFF): Delete.
2245 Thu Feb 19 22:36:52 1998 Robert Lipe <robertl@dgii.com>
2247 * collect2.c (full_real_ld_suffix): #ifdef CROSS_COMPILE.
2249 1998-02-19 Mike Stump <mrs@wrs.com>
2251 * Makefile.in: Use $tooldir for sys-include to match toplevel
2254 Thu Feb 19 01:32:37 1998 Jeffrey A Law (law@cygnus.com)
2255 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2257 * emit-rtl.c (gen_lowpart_common): Suppress last change if __complex__.
2259 * emit-rtl.c (hard-reg-set.h): Include.
2260 (get_lowpart_common): Don't make new REG for hard reg in a
2261 class that cannot change size.
2262 * Makefile.in (emit-rtl.o): Depend on hard-reg-set.h.
2264 * combine.c: Revert previous patch.
2266 1998-02-19 Paul Eggert <eggert@twinsun.com>
2268 * config/sparc/sol2-sld.h: New file.
2269 * configure.in (sparc-*-solaris2*): Use it when using the
2272 Thu Feb 19 00:46:59 1998 Jeffrey A Law (law@cygnus.com)
2274 * loop.c (force_movables): Fix typo.
2276 Thu Feb 19 08:26:30 1998 Manfred Hollstein <manfred@s-direktnet.de>
2278 * m88k.h: Change file pattern to match reality.
2280 Wed Feb 18 23:19:52 1998 Jeffrey A Law (law@cygnus.com)
2282 * varasm.c (output_constant_pool): Fix dumb thinko in last
2285 * pa.h (ASM_OUTPUT_FUNCTION_PREFIX): Correctly translate from
2286 a function name to a section name.
2288 1998-02-18 Doug Evans <devans@cygnus.com>
2290 * tree.h (merge_machine_{type,decl}_attributes): Declare.
2291 (split_specs_attrs, strip_attrs): Add prototypes.
2292 * tree.c (merge_machine_{type,decl}_attributes): New functions.
2293 * c-decl.c (duplicate_decls): Call merge_machine_decl_attributes.
2294 Update olddecl's attributes too.
2295 * c-common.c (strip_attrs): New function.
2296 * c-typeck.c (common_type): Call merge_machine_type_attributes.
2297 * varasm.c (make_function_rtl): New target macro REDO_SECTION_INFO_P.
2298 (make_decl_rtl): Likewise.
2300 1998-02-18 Jim Wilson <wilson@cygnus.com>
2302 * c-decl.c (shadow_tag_warned): Call split_specs_attrs.
2304 Wed Feb 18 09:09:50 1998 Jeffrey A Law (law@cygnus.com)
2306 Remove this change until we can fix it correctly.
2307 * collect2.c: Bracket declaration of 'exportf' and
2308 'full_real_ld_suffix'.
2310 Wed Feb 18 08:44:25 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
2312 * Makefile.in (STAGESTUFF): Add genrtl.c, genrtl.h and gengenrtl.
2314 Tue Feb 17 23:30:20 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
2316 * c-common.c (c_expand_start_cond, c_expand_end_cond,
2317 c_expand_start_else): Don't warn about non-ambiguous else even if
2320 Tue Feb 17 23:56:50 1998 Robert Lipe <robertl@dgii.com>
2322 * sco5.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT,
2323 ASM_OUTPUT_LONG_DOUBLE): Delete. Use the ones from i386.h
2326 Tue Feb 17 22:56:14 1998 Richard Henderson <rth@cygnus.com>
2328 * combine.c (simplify_rtx): Obey CLASS_CANNOT_CHANGE_SIZE when
2329 simplifying a subreg of a hard reg.
2330 (expand_compound_operation): Likewise.
2331 (force_to_mode): Likewise.
2333 Tue Feb 17 22:37:22 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2335 * fold-const.c: Include "system.h" to get stdlib.h and stdio.h.
2336 (lshift_double): Add parentheses around + or - inside shift.
2337 (rshift_double): Likewise.
2338 (size_int_wide): Explicitly set type of `bit_p' to `int'.
2340 * Makefile.in (fold-const.o): Depend on system.h.
2342 * Makefile.in (gcc.o): Depend on system.h, in accordance with last
2345 * haifa-sched.c: Include "system.h" to get <stdlib.h> and <stdio.h>.
2346 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
2347 (sched_note_set): Remove unused parameter `b', all callers changed.
2348 (schedule_block): Likewise for `rgn'.
2349 (split_hard_reg_notes): Likewise for `orig_insn'.
2350 (check_live): Likewise for `trg'.
2351 (update_live): Likewise.
2352 (check_live_1): Explcitly declare variable `i' as int.
2353 (update_live_1): Likewise.
2354 (insn_issue_delay): Remove unused variable `link'.
2355 (sched_analyze_2): Add default case in enumeration switch.
2356 (schedule_insns): Remove unused variable `i'.
2358 * Makefile.in ($(SCHED_PREFIX)sched.o): Depend on system.h.
2360 Tue Feb 17 22:31:04 1998 Jeffrey A Law (law@cygnus.com)
2362 * loop.c (rtx_equal_for_loop_p): Add some braces to disambiguate
2363 a dangling else clause.
2365 Tue Feb 17 21:28:12 1998 Gavin Koch <gavin@cygnus.com>
2367 * mips/mips.h (CAN_ELIMINATE): Don't eliminate the frame
2368 pointer for the stack pointer in MIPS16 and 64BIT.
2370 Tue Feb 17 21:17:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2372 * rtl.h (force_line_numbers, restore_line_number_status): Declare.
2373 * emit-rtl.c (force_line_numbers, restore_line_number_status):
2375 * stmt.c (struct nesting): Replace seenlabel with line_number_status.
2376 (expand_start_case): Adjust to this change.
2377 (check_seenlabel): New function.
2378 (pushcase, pushcase_range, expand_endcase): Use it.
2380 Tue Feb 17 10:14:32 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2382 * i386.md (adddi3): Add =!r,0,0,X alternative.
2384 Mon Feb 16 16:13:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
2386 * rs6000.h (MY_ISCOFF): Add numeric value of U803XTOCMAGIC.
2387 * x-aix31 (INSTALL): Delete.
2389 Mon Feb 16 09:24:32 1998 Gavin Koch <gavin@cygnus.com>
2391 * mips/mips.c (mips_expand_epilogue): Update tsize_rtx if
2392 tsize changes to something other than zero.
2394 Mon Feb 16 09:11:48 1998 Gavin Koch <gavin@cygnus.com>
2396 * ginclude/va-mips.h: Replace casts of pointers to int with
2397 casts of pointers to __PTRDIFF_TYPE__.
2399 Mon Feb 16 08:17:14 1998 John Carr <jfc@mit.edu>
2401 * loop.c (strength_reduce, record_biv, record_giv): Use
2402 HOST_WIDE_INT_PRINT_DEC to print CONST_INT values.
2404 1998-02-16 Jason Merrill <jason@yorick.cygnus.com>
2406 * tree.c (first_rtl_op): New fn.
2407 (unsave_expr_now): Use it.
2408 * print-tree.c (print_node): Likewise.
2409 * tree.c (has_cleanups): New fn.
2410 * fold-const.c (fold, case CLEANUP_POINT_EXPR): Use it. Be more
2411 conservative about pushing the cleanup point down.
2412 * tree.h: Declare them.
2414 Sun Feb 15 23:28:44 1998 Jeffrey A Law (law@cygnus.com)
2416 * toplev.c (flag_schedule_reverse_before_reload): Delete variable.
2417 (flag_schedule_reverse_after_reload): Likewise.
2418 (f_options): Remove reverse scheduling support.
2419 * flags.h (flag_schedule_reverse_before_reload): Delete declaration.
2420 (flag_schedule_reverse_after_reload): Likewise.
2421 * haifa-sched.c (rank_for_schedule): Remove support for reverse
2424 Sun Feb 15 21:33:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2426 * gcc.c: Get system includes, prototypes and macros via "system.h"
2427 instead of doing it manually. Change all calls of the ctype
2428 macros to custom versions defined in "system.h".
2430 * system.h: Fix return type of bcmp prototype from `void' to `int'.
2431 Make bcopy, bcmp and bzero prototypes explicitly `extern'.
2432 Add a prototype for getenv.
2434 Sun Feb 15 17:05:41 1998 Jim Wilson <wilson@cygnus.com>
2436 * mips/mips.h (INITIAL_ELIMINATION_OFFSET): Readd Jun 6 change.
2438 Sun Feb 15 15:23:15 1998 John Carr <jfc@mit.edu>
2440 * alias.c: Include <stdlib.h> and <string.h>.
2441 (init_alias_analysis): Pass NULL_RTX instead of 0 to record_set.
2443 Sat Feb 14 11:23:09 PST 1998 Jeff Law (law@cygnus.com)
2445 * version.c: Bump for snapshot.
2447 Sat Feb 14 05:08:21 1998 Richard Earnshaw (rearnsha@arm.com)
2449 * arm.md (movsfcc): Also validate operands[3] when compiling hard
2451 (movdfcc): Only accept fpu_add_operand for operands[3].
2453 * arm/t-semi (STMP_FIXPROTO): Define to nothing.
2454 * arm/t-semiaof (STMP_FIXPROTO): Likewise.
2456 Sat Feb 14 02:02:41 1998 Jeffrey A Law (law@cygnus.com)
2458 * varasm.c (output_constant_pool): Bring back 'done' label inside
2459 an appropriate #ifdef.
2461 * bitmap.c (bitmap_element_allocate): Wrap variable 'i' in an
2463 (bitmap_copy, bitmap_operation): Likewise.
2464 * combine.c (combinable_i3pat): Similarly for 'src'.
2465 * function.c (fixup_var_refs_1): Similarly for 'outerdest'.
2466 (locate_and_pad_parm): Similarly for 'reg_parm_stack_space'.
2467 * regclass.c (copy_cost): Similarly for 'secondary_class'.
2468 * reload.c (make_memloc): Simliarly for 'i'.
2469 (find_reloads_address_1): Similarly for 'link'.
2470 * reload1.c (reload): Similarly for 'previous_frame_pointer_needed'.
2471 (emit_reload_insns): Similarly for 'second_reloadreg'.
2472 * unroll.c (iteration_info): Similarly for 'v'.
2474 * caller-save.c (insert_save_restore): Remove unused variable 'i'.
2475 * calls.c (expand_call): Similarly for 'i'.
2476 (emit_library_call, emit_library_call_value): Similarly for 'mode'.
2477 * fold-const.c (strip_compund_expr): Similarly for 'type'.
2478 * function.c (fixup_var_refs_1): Similarly for 'width'.
2479 (fixup_memory_subreg): Similarly for 'saved'.
2480 (locate_and_pad_parm): Similarly for 'boundary_in_bytes.'
2481 (setjmp_protect): Similarly for 'sub'.
2482 (thread_prologue_and_epilogue_insns): Similarly for 'insn'.
2483 * loop.c (record_giv): Similarly for 'p'.
2484 (combine_givs): Similarly for 'temp_iv'.
2485 (indirect_jump_in_function_p): Similarly for 'is_indirect_jump'.
2486 * recog.c (validate_replace_rtx_1): Similarly for 'width'.
2487 * tree.c (get_set_constructor_bytes): Similarly for 'vals'.
2488 * unroll.c (unroll_loop): Similarly for 'copy'.
2489 (iteration_info): Similarly for 'b'.
2490 * varasm.c (assemble_string): Similarly for 'i'.
2491 * i386.h (LEGITIMIZE_ADDRESS): Similarly for 'orig_x'.
2493 1998-02-13 Martin von Loewis <loewis@informatik.hu-berlin.de>
2495 * c-lang.c (lang_print_xnode): New function.
2496 * objc/objc-act.c (lang_print_xnode): Likewise.
2497 * print-tree.c (print_node): Call it
2499 Fri Feb 13 14:38:34 1998 Jim Wilson <wilson@cygnus.com>
2501 * dwarf2out.c (decl_scope_node): New type.
2502 (decl_scope_table): Change type to use it.
2503 (decl_scope_table_allocated, decl_scope_depth): Change type to int.
2504 (push_decl_scope): Use new type. New locals containing_scope, i.
2505 Add code to handle setting previous field.
2506 (scope_die_for): Change type of local i to int. Add code to use
2508 (dwarf2out_init): Use new type.
2510 1998-02-13 Jason Merrill <jason@yorick.cygnus.com>
2512 * except.c (emit_throw): Lose throw_used.
2514 Fri Feb 13 20:36:05 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2516 * sched.c (update_flow_info, REG_WAS_0): Ignore if setting insn
2518 * haifa-sched.c (update_flow_info, REG_WAS_0): Likewise.
2520 Fri Feb 13 12:18:40 1998 Jeffrey A Law (law@cygnus.com)
2522 * genextract.c (main): Fix typo.
2524 Fri Feb 13 08:41:49 1998 Robert Lipe <robertl@dgii.com>
2526 * c-lang.c (finish_file): Bracket declaration of static_ctors,
2529 * calls.c (expand_call): Bracket declaration of 'rtx_before_call',
2530 'old_stack_arg_under_construction'
2531 (emit_library_call): Bracket declaration of 'upper_bound',
2532 'lower_bound', 'i', 'reg_parm_stack_space'
2533 (emit_library_call_value): Likewise.
2536 * collect2.c: include <unistd.h> when appropriate.
2537 Bracket declaration of 'exportf' and 'full_real_ld_suffix'.
2539 * emit-rtl.c (prev_cc0_setter): Remove unused variable 'link'.
2541 * explow.c (plus_constant_for_output_wide): Remove unused variable
2543 (memory_address): Remove unused variable 'orig_x'.
2545 * genattrtab.c (make_canonical): Remove unreferenced label 'cond:'.
2546 (write_const_num_delay_slots): Remove unused variable 'i'.
2548 * genopinit.c (main): Remove unused variables 'dummy', 'insn_ptr'.
2549 (gen_insn): Remove unused variable 'obstack_ptr'.
2551 * libgcc2.c (__bb_exit_func): Remove unused variables 'ret',
2553 (__bb_exit_trace_func): Remove unused variable 'e'.
2555 * optabs.c (expand_binop): remove unused variables 'lhs', 'rhs',
2557 (expand_unop): Remove unused variable 'funexp'.
2558 (expand_complex_abs): Remove unused variable 'funexp'.
2559 (init_optabs): Bracket declaration of 'j'.
2560 (init_complex_libfuncs): Deleted. Dead static function.
2562 * profile.c (branch_prob): Remove unused variables 'insn', 'dest'.
2564 * reg-stack.c: Fix typo in proto for 'get_asm_operand_lengths'
2565 (reg_to_stack): 'initialized', 'before_function_beg'
2566 explictly type as ints instead of defaulting.
2567 (emit_swap_insn): Remove unused variable 'i2'.
2568 (compare_for_stack_reg): Remove unused variable 'src_note'.
2570 * rtlanal.c (computed_jump_p): Remove unused variable 'computed_jump'.
2572 * sched.c (actual_hazard): Bracket declaration of 'this_cost'.
2574 * stmt.c (add_case_node): Add parens for assignment used as truth.
2575 (all_cases_count): Remove unused variable 'count_high'.
2576 (mark_seen_cases): Remove unused variable 'i'.
2577 (check_for_full_enumeration_handling): Remove unused variable 't'.
2578 Bracket declaration of 'all_values', 'l'.
2580 * tlink.c: Include <stdlib.h>, <unistd.h>, <string.h>/<strings.h>.
2582 * varasm.c (assemble_string): Remove unused variable 'i'.
2583 (immed_double_const): Remove unused variable 'in_current_obstack'.
2584 (immed_real_const_1): Likewise.
2585 (output_constant_pool): Remove unreferenced label 'done'.
2586 (output_constant): Remove unused variable 'x'.
2588 * i386/i386.h (ENCODE_SECTION_INFO): TREE_PUBLIC is an int, not
2591 * i386/sco5.h (ASM_OUTPUT_ASCII): Add parens for assignment used
2594 Fri Feb 13 10:21:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2596 * combine.c (can_combine_p): Handle USEs in PARALLELs.
2598 Fri Feb 13 01:34:14 1998 H.J. Lu (hjl@gnu.org)
2600 * config/linux.h (LIB_SPEC): Add -lc for -shared if
2601 USE_GNULIBC_1 is not defined.
2602 * config/sparc/linux.h; Ditto.
2604 * config/sparc/linux64.h (LIB_SPEC): Add -lc for -shared.
2606 * config/alpha/linux-elf.h (LIB_SPEC): New. Defined if
2607 USE_GNULIBC_1 is not defined.
2609 Fri Feb 13 01:29:29 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
2611 * rs6000/sysv4.h (ENDFILE_SPEC): add missing %(endfile_linux)
2614 Fri Feb 13 01:23:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2616 * system.h: New file to get common systems includes and various
2617 definitions and declarations based on autoconf macros.
2619 Fri Feb 13 00:46:19 1998 Jeffrey A Law (law@cygnus.com)
2621 * cccp.c (new_include_prefix): Correctly handle -I./.
2623 Thu Feb 12 20:16:35 1998 Michael Meissner <meissner@cygnus.com>
2625 * rs6000.md: Replace gen_rtx (CONST_INT,...) with GEN_INT.
2627 Thu Feb 12 16:45:17 1998 Robert Lipe <robertl@dgii.com>
2629 * expr.c (expand_assignment): Correct typo exposed by -Wall.
2630 offset should have been a truth value, not an assignment.
2632 Thu Feb 12 15:26:50 1998 Jeffrey A Law (law@cygnus.com)
2634 * cse.c (delete_dead_from_cse): If a libcall produces a constant
2635 result and that result can be substituted into SET_SRC of the
2636 insn with the REG_RETVAL note, then perform the substitution
2637 and delete the libcall.
2639 Thu Feb 12 14:04:09 1998 Gavin Koch <gavin@cygnus.com>
2641 * mips.md (trucndihi2,truncdiqi2): Change these to support
2644 Thu Feb 12 11:34:55 1998 Gavin Koch <gavin@cygnus.com>
2646 * mips/mips.c (movdi_operand): Direct referances to symbols
2647 that arn't mips16 consts in mips16 mode arn't valid operands.
2649 * mips/mips.c (mips_move_2words): Add gprel handling.
2651 Thu Feb 12 11:18:37 1998 Gavin Koch <gavin@cygnus.com>
2653 * mips.md (extendsidi2): Allow extension to/from a non-mips16
2656 Thu Feb 12 00:04:16 1998 Marc Lehmann <pcg@goof.com>
2658 * i386.c: Conditionally include <stdlib.h>, <string.h>, and
2661 Wed Feb 11 11:43:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2663 * Makefile.in (WARN_CFLAGS): New variable.
2664 (bootstrap, bootstrap2, bootstrap3, bootstrap4): Use it.
2666 1998-02-11 Mark Mitchell <mmitchell@usa.net>
2668 * config/i386/i386.c (reg_mentioned_in_mem): Don't abort when
2669 falling through default case in switch.
2670 (i386_aligned_p): Likewise.
2672 Wed Feb 11 12:59:56 1998 Lee Iverson <leei@Canada.AI.SRI.COM>
2674 * mips/mips.h (mips_abi_string): Correct typo in comment.
2676 Wed Feb 11 08:29:56 1998 Gavin Koch <gavin@cygnus.com>
2678 * mips/mips.md (movdi): These PLUS's need to be Pmode.
2680 Wed Feb 11 01:47:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2682 * Makefile.in (dwarf2out.o, emit-rtl.o, jump.o, cse.o, unroll.o,
2683 reorg.o, regmove.o): Depend on insn-codes.h, it gets included
2684 indirectly via expr.h.
2686 Wed Feb 11 01:44:13 1998 Richard Henderson <rth@cygnus.com>
2688 * stor-layout.c (layout_type): Do upper - lower in the native type,
2689 so as to properly handle negative indices.
2691 Wed Feb 11 01:35:55 1998 Robert Lipe <robertl@dgii.com>
2693 * except.c (start_dynamic_cleanup): Remove unused variable 'dhc'.
2694 (expand_eh_region_start_tree): Remove unused variable 'note'.
2695 (exception_optimize): Remove unused variable 'regions'.
2696 (expand_builtin_eh_stub): Remove unused variable 'temp'.
2697 (copy_eh_entry): Deleted. Dead function.
2699 * expr.c (move_block_to_reg) Bracket declaration of 'pat' and
2700 'last' with same #if HAVE_load_multiple as use of it.
2701 (move_block_from_reg): Likewise.
2702 (emit_move_insn_1): Remove unused variable 'insns'.
2703 (store_constructor): Bracket declaration of startb, endb with
2704 #if TARGET_MEMFUNCTIONS. Remove unused variables 'set_word_size'
2705 'target', and 'xtarget'.
2706 (expand_builtin_setjmp): Remove unused variables 'op0',
2707 'next_arg_reg', 'old_inhibit_defer_pop'.
2708 (expand_builtin): Remove unused variable 'offset'.
2709 (do_store_flag): Remove unused variables 'pattern', 'jump_pat'.
2710 (emit_queue): Add parens for assignment used as conditional.
2711 (expand_expr): case TARGET_EXPR: Remove unused variable 'temp'.
2713 Wed Feb 11 01:30:49 1998 Marc Lehmann <pcg@goof.com>
2715 * i386.c: Added include for recog.h.
2716 (override_options): Removed unused variable p. Initialized regno to
2718 (order_regs_for_local_alloc): Initialized regno to avoid warning.
2719 (legitimize_address): Likewise for 'other'.
2720 (i386_aligned_reg_p): Added default case with abort ().
2721 (print_operand): Likewise.
2722 (reg_mentioned_in_mem): Likewise.
2723 (ix86_expand_binary_operator): Removed unused variables i & insn.
2724 (ix86_expand_unary_operator): Removed unused variable insn.
2725 (output_fp_cc0_set): Removed unused variable unordered_label.
2727 Wed Feb 11 01:23:03 1998 John F. Carr <jfc@mit.edu>
2729 * i386.c, i386.h, i386.md: Change gen_rtx (X, ...) to gen_rtx_X (...).
2730 Use GEN_INT instead of gen_rtx (CONST_INT). Make printf arguments
2731 and format string match.
2733 Wed Feb 11 01:17:39 1998 Jeffrey A Law (law@cygnus.com)
2735 * flow.c (life_analysis): Do not conside the stack pointer live at
2736 the end of a function if the fucntio ncalls alloca.
2737 (mark_used_regs): Similarly.
2739 1998-02-10 John F Carr <jfc@mit.edu>
2741 * config/sparc/sparc.md (movdi_v8plus): Output stx on alternative
2742 1, fzero on alternative 8.
2744 Tue Feb 10 09:02:19 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2746 * rs6000.c (setup_incoming_varargs): Always set rs6000_sysv_varargs_p.
2748 Tue Feb 10 03:35:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2750 * reload.c (find_reloads_toplev): Handle arbitrary non-paradoxical
2751 SUBREGs of CONST_INTs.
2753 Mon Feb 9 17:52:36 1998 John Carr <jfc@mit.edu>
2755 * mips.c (print_operand, function_prologue): Make printf format
2756 match argument type.
2758 Mon Feb 9 02:37:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2760 * alpha.c (alpha_return_addr): Remove unused variable `first'.
2761 (alpha_ra_ever_killed): Remove unused variables `ra' and `i'.
2762 (output_epilog): Remove unused variable `frame_size_from_reg_save'.
2764 Sun Feb 8 14:56:03 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2766 * loop.c (strength_reduce): When placing increment for auto-inc
2767 case, do comparison in loop order.
2769 Sun Feb 8 13:21:38 1998 John Carr <jfc@mit.edu>
2771 * bitmap.c (bitmap_debug_file): HOST_PTR_PRINTF converts a pointer,
2772 not a HOST_WIDE_INT.
2774 * calls.c (expand_call): Change test of expand_inline_function
2775 return value to stop compiler warning.
2777 * genattrtab.c (RTL_HASH): Cast pointer to long, not HOST_WIDE_INT.
2779 Sun Feb 8 12:04:24 1998 Jim Wilson (wilson@cygnus.com)
2780 Jeff Law (law@cygnus.com)
2782 * regmove.c: Fix various minor formatting problems.
2783 (optimize_reg_copy_1): Stop search at CALL_INSNs if flag_exceptions
2784 is true. Make end of basic block tests consistent through regmove.c.
2785 (optimize_reg_copy_2, optimize_reg_copy_3): Likewise.
2786 (fixup_match_2, fixup_match_1, regmove_optimize): Likewise.
2788 Sun Feb 8 01:49:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2790 * gansidecl.h: Check for a conflicting macro definition before
2791 attempting to prototype bcopy, bcmp or bzero.
2793 Sun Feb 8 00:09:59 1998 Jeffrey A Law (law@cygnus.com)
2795 * expr.c (clear_pending_stack_adjust): Handle case where a function
2796 calls alloca, but the user has specified -fomit-fframe-pointer.
2798 * function.c (assign_parms): Fix typo in last change.
2800 Sat Feb 7 23:54:29 1998 Robert Lipe <robertl@dgii.com>
2802 * gcc.c: Include <strings.h>/<string.h>, <stdlib.h>, <unistd.h>,
2804 (free_path_suffix): Remove unreferenced static function.
2805 (process_command): Remove unused variable temp.
2806 (default_arg): Remove unused variable i.
2807 (do_spec_1): Add parens for assignment used as truth value.
2809 (validate_all_switches): Likewise.
2810 (main): Remove unused variables i, first_time>
2812 * c-common.c: Include <stdlib.h> and <string.h>/<strings.h>.
2814 * calls.c (expand_call): Remove unused variables funtree,
2815 n_regs, and tmpmode.
2817 * dbxout.c, except.c: Include <string.h>/<strings.h>.
2819 * explow.c: (plus_constant_for_output_wide) Removed unused
2820 variable all_constant.
2822 * c-decl.c, genattr.c, genattrtab.c, getconfig.c, genemit.c
2823 genextract.c, genflags.c, genopinit.c genoutput.c, genpeep.c,
2824 genrecog.c, global.c, integrate.c , stupid.c : Include
2827 * genextract.c: (walk_rtx) Remove unused variable link.
2829 * genrecog.c: (concat) Remove unreferenced static function.
2831 * prefix.c: Include <string.h>/<strings.h>, <stdlib.h>
2833 * stmt.c: Include <stdlib.h>.
2834 (expand_asm_operands): Remove unused variable val1.
2835 (expand_return): Remove unused variable block.
2836 (pushcase): Remove unused variables l and n.
2837 (pushcaserange): Likewise.
2839 * unroll.c (unroll_loop): Remove unused variable temp.
2841 Sat Feb 7 23:46:09 1998 Greg McGary <gkm@gnu.org>
2843 * c-decl.c (pushdecl): Set DECL_ORIGINAL_TYPE once only.
2845 Sat Feb 7 15:11:28 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2847 * aclocal.m4 (GCC_FUNC_PRINTF_PTR): New macro to test the printf
2848 functions for whether they support the %p format specifier.
2849 * acconfig.h (HOST_PTR_PRINTF): Insert stub for autoconf.
2850 * configure.in (GCC_FUNC_PRINTF_PTR): Use it.
2851 * configure, config.in: Rebuild.
2853 Fri Feb 6 14:20:16 1998 Jim Wilson <wilson@cygnus.com>
2855 * function.c (assign_parms): New variable named_arg, with value
2856 depending on STRICT_ARGUMENT_NAMING. Use instead of ! last_named.
2858 Fri Feb 6 14:34:28 1998 Gavin Koch <gavin@cygnus.com>
2860 * mips/t-r3900: New - same as t-ecoff but eliminate
2861 multilibs: mips1 and mips3.
2862 * configure.in (tx39*): Use new mips/t-r3900.
2863 * configure: Rebuild.
2864 * mips/r3900.h (MULTILIB_DEFAULTS): Eliminate mips1.
2866 1998-02-06 Jason Merrill <jason@yorick.cygnus.com>
2868 * dwarf2out.c: Add old_args_size.
2869 (dwarf2out_args_size): Use it.
2870 (dwarf2out_begin_prologue): Initialize it.
2871 (dwarf2out_stack_adjust): If !asynchronous_exceptions, save up
2872 pushed args until we see a call.
2873 * final.c (final_scan_insn): Hand CALL_INSNs off to the dwarf2 code
2874 before outputting them.
2876 1998-02-06 Kriang Lerdsuwanakij <lerdsuwa@scf.usc.edu>
2878 * cplus-dem.c (demangle_template_template_parm): New function.
2879 (demangle_template): Handle template template parameters.
2881 1998-02-02 Mark Mitchell <mmitchell@usa.net>
2883 * calls.c (expand_call): Don't confuse member functions named
2884 realloc, setjmp, and so forth with the standard library
2885 functions of the same names.
2887 Thu Feb 5 21:59:49 1998 Jeffrey A Law (law@cygnus.com)
2889 * stmt.c (expand_asm_operands): Correctly identify asm statements
2892 Thu Feb 5 21:56:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
2894 * c-common.c (decl_attributes): Flag unrecognized attribute
2895 functions as warnings instead of as errors.
2897 1998-02-05 Marc Lehmann <pcg@goof.com>
2899 * integrate.c (INTEGRATE_THRESHOLD): Inline only small functions
2900 when -Os is specified.
2901 * toplev.c (main): Don't disable flag_inline_functions anymore when
2904 Fri Feb 6 00:27:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2906 * regmove.c: Update.
2907 * flags.h (flag_regmove): Declare.
2908 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Don't declare.
2909 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2):
2910 Moved into regmove; changed caller.
2911 * toplev.c (rest_of_compilation): Call regmove_optimize also for
2912 expensive_optimizations.
2914 Thu Feb 5 13:38:42 PST 1998 Jeff Law (law@cygnus.com)
2916 * version.c: Bump for snapshot.
2918 Thu Feb 5 01:45:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2919 Undo this change (the problem was actually in reload):
2920 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2922 * sh.md (movqi_i+1): New peephole.
2924 Tue Feb 3 01:11:12 1998 Jeffrey A Law (law@cygnus.com)
2926 * jump.c (jump_optimize): Lose calls to modified_in_p they are
2927 not needed anymore due to changes elsewhere in jump.c.
2929 * jump.c (jump_optimize): Fix first arg to modified_in_p in
2932 Mon Feb 2 19:18:14 1998 Richard Henderson <rth@cygnus.com>
2934 * expr.c (expand_builtin_setjmp): Accept two new arguments for
2935 the labels to branch to on first and subsequent executions. Don't
2936 play with __dummy. Rename `setjmp' insn to `builtin_setjmp_setup',
2937 and provide it with the jmp_buf. Use only one of
2938 `builtin_setjmp_receiver' or `nonlocal_goto_receiver',
2939 and provide the former with the target label.
2940 (expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp.
2941 (expand_builtin) [BUILTIN_LONGJMP]: Split out to ...
2942 (expand_builtin_longjmp): ... here. Recognize a `builtin_longjmp'
2943 insn to replace all of the normal nonlocal_goto code. Don't play
2944 with __dummy. Correct arguments to nonlocal_goto.
2945 * expr.h (expand_builtin_setjmp): Update prototype.
2946 * except.c (start_dynamic_handler): When using builtin_setjmp,
2947 generate more accurate flow information.
2949 * alpha.md (nonlocal_goto_receiver_osf): Delete.
2950 (nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver.
2951 (builtin_longjmp, builtin_setjmp_receiver): New.
2952 * sparc.md (update_return): Disambiguate unspec number.
2953 (nonlocal_goto): Rearrange arguments to match caller in except.c.
2954 (builtin_setjmp_setup): Rename from setjmp. Match and ignore the
2956 * mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove.
2957 (builtin_setjmp_setup*, builtin_longjmp): New.
2959 Mon Feb 2 16:43:10 1998 John Carr <jfc@mit.edu>
2961 * mips.md: Change gen_rtx (CONST_INT) to GEN_INT.
2963 Mon Feb 2 13:06:47 1998 Jim Wilson <wilson@cygnus.com>
2965 * vmsconfig.com: Remove bytecode references.
2967 1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2969 * dwarf2out.c (dwarf2out_frame_init): Undo last change, so that
2970 -fno-sjlj-exceptions works for a target that defines
2971 DWARF2_UNWIND_INFO as zero.
2973 * regmove.c (fixup_match_1): Undo last change which removed some
2974 "useless" code, and add a comment explaining this.
2976 Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com)
2978 * mips.c (mips_expand_prologue): Change uses of TARGET_64BIT
2981 Mon Feb 2 10:38:41 1998 Klaus Kaempf <kkaempf@progis.de>
2983 * makefile.vms: Remove bytecode references.
2984 Create genrtl files.
2986 Mon Feb 2 02:08:04 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
2988 * jump.c (jump_optimize): Allow conditional loading of floating point
2989 constants and constants from memory. Reinstalled modified_in_p tests.
2991 Mon Feb 2 01:38:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2993 * loop.c (get_condition): Handle sign-extended constants.
2995 Mon Feb 2 01:22:46 1998 Hans-Peter Nilsson <hp@axis.se>
2997 * expr.c (emit_push_insn): Add code to use movstrti if present.
2999 * expr.c (emit_push_insn): Use same max-move-amount for movstrhi
3000 and movstrqi as in emit_block_move ().
3002 Mon Feb 2 00:09:52 1998 Toon Moene <toon@moene.indiv.nluug.nl>
3004 * config/m68k/x-next: Remove /NextDeveloper/Headers from
3005 the directories to fixinclude - /usr/include is a link
3006 to it and hence its contents are fixed by default.
3008 Sun Feb 1 14:15:33 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
3010 * rs6000/linux.h: define JUMP_TABLES_IN_TEXT_SECTION
3012 Sun Feb 1 13:01:15 1998 Klaus Kaempf <kkaempf@progis.de>
3014 * cccp.c (main): Predefine __VMS_VER on VMS.
3016 Sun Feb 1 12:39:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3018 * expr.c (get_inner_reference): Use sbitsizetype for type sizes.
3019 * fold-const.c (size_int): Replace with
3021 (make_bit_field_ref): Use bitsize_int for bit position.
3022 * stor-layout.c (sizetype): Delete.
3023 (sizetype_tab, sbitsizetype, ubitsizetype): Declare.
3024 (layout_record, layout_union, layout_type):
3025 Use bitsize_int for bit size.
3026 (set_sizetype): New function.
3027 (make_signed_type, make_unsigned_type): Use it.
3028 * c-decl.c (init_decl_processing): Likewise.
3029 * tree.h (size_int): Don't delcare, #define.
3030 (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
3031 (set_sizetype): Declare.
3032 (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
3034 * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
3035 Convert result to sizetype.
3036 (really_start_incremental_init, push_init_level):
3037 Set type of constructor_bit_index to sbitsizetype.
3038 (push_init_level): Use unsigned arithmetic to determine padding.
3039 (output_init_element): Likewise.
3041 Sun Feb 1 03:32:07 1998 Jeffrey A Law (law@cygnus.com)
3043 * combine.c (simplify_shift_const): Fix typo in last change.
3045 Sun Feb 1 02:50:46 1998 John Carr <jfc@mit.edu>
3047 * combine.c (simplify_shift_const): (lshiftrt (truncate (lshiftrt)))
3048 is (truncate (lshiftrt)).
3050 Sun Feb 1 01:06:53 1998 Richard Henderson <rth@cygnus.com>
3052 * alpha.c (alpha_expand_unaligned_load): Use expand_binop properly.
3053 Make sure result winds up in TGT.
3054 (alpha_expand_unaligned_store): Use expand_binop properly. Allow
3055 src to be other than DImode.
3056 (alpha_expand_unaligned_load_words): Tidy. Take an offset argument.
3057 (alpha_expand_unaligned_store_words): Likewise.
3058 (alpha_expand_block_move): Use REGNO_POINTER_ALIGN. Restructure so
3059 that source and destination are separately optimized for alignment.
3060 (alpha_expand_block_clear): Use REGNO_POINTER_ALIGN.
3062 Sun Feb 1 01:55:09 1998 Jeffrey A Law (law@cygnus.com)
3064 * mips.md (adddi3_internal_2): Be consistent with adddi3 expander
3065 with handling of -32768.
3067 Sun Feb 1 01:48:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3069 * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a
3070 shell variable argument instead of only hard coded functions.
3071 (GCC_NEED_DECLARATIONS): New macro to accept multiple functions.
3073 * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one
3074 call. Collapse multiple calls to GCC_NEED_DECLARATION into one
3075 call to GCC_NEED_DECLARATIONS (new macro.) Check if we need
3076 declarations for bcopy, bcmp and bzero.
3078 * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations.
3080 * gansidecl.h: If we have bcopy but don't declare it, then do so.
3081 Likewise for bcmp and bzero. Only define macros for bcopy, bcmp,
3082 bzero, index and rindex if they aren't already present.
3084 Sat Jan 31 11:26:58 1998 Jeffrey A Law (law@cygnus.com)
3086 * toplev.c (close_dump_file): Wrap function prototype for
3087 argument "func" in PROTO.
3088 (dump_rtl): Likewise.
3090 Fri Jan 30 22:30:39 1998 John Carr <jfc@mit.edu>
3092 * sparc.c (sparc_override_options): Make v8plus and ultrasparc set
3094 (output_function_epilogue): Omit epilogue if nothing drops through.
3095 (output_move_double): Supress int ldd usage on ultrasparc and v9.
3096 (registers_ok_for_ldd_peep): Likewise.
3097 (print_operand): Supress b,a on ultrasparc. Let Y accept a constant.
3098 (ultrasparc_adjust_cost): New function.
3099 (sparc_issue_rate): New function.
3100 * sparc.h (MASK_VIS, TARGET_VIS): New
3101 (MASK_V8PLUS, TARGET_V8PLUS): New.
3102 (TARGET_HARD_MUL32, TARGET_HARD_MUL): New.
3103 (TARGET_SWITCHES): Add vis and v8plus.
3104 (REG_CLASS_FROM_LETTER): Accept d and b for VIS.
3105 (REGISTER_MOVE_COST): FP<->INT move cost 12 for ultrasparc.
3106 (RTX_COSTS): Use TARGET_HARD_MUL
3107 (ADJUST_COST): Call ultrasparc_adjust_cost.
3109 * sparc.md (attr type): Add sload, fpmove, fpcmove. Adjust users
3110 of load & fp appropritely.
3111 (supersparc function units): Adjust for Haifa.
3112 (ultrasparc function units): Likewise.
3113 (get_pc_via_rdpc): All v9, not just arch64.
3114 (movdi_v8plus, movdi_v8plus+1): New.
3115 (adddi3_sp32+1): New.
3116 (subdi3_sp32+1): New.
3117 (movsi_insn, movsf_const_insn, movdf_const_insn): Know VIS.
3118 (addsi3, subsi3, anddi3_sp32, andsi3, and_not_di_sp32): Likewise.
3119 (and_not_si, iordi3_sp32, iorsi3, or_not_di_sp32, or_not_si): Likewise.
3120 (xorsi3_sp32, xorsi3, xor_not_di_sp32, xor_not_si): Likewise.
3121 (one_cmpldi2_sp32, one_cmplsi2): Likewise.
3122 (ldd peepholes): Suppress for v9.
3123 (return_adddi): Kill redundant test. Arg1 may be arith_operand.
3124 (return_subsi): Revmove.
3126 Fri Jan 30 18:30:03 1998 John F Carr <jfc@mit.edu>
3128 * mips.c (save_restore_insns): Set RTX_UNCHANGING_P in register
3129 save/restore MEM rtl.
3131 Fri Jan 30 09:08:16 1998 Jeffrey A Law (law@cygnus.com)
3133 * configure.in: Check for declaration of abort.
3134 * acconfig.h: Corresponding changes.
3135 * toplev.c: Use NEED_DECLARATION_ABORT to determine if abort should
3138 Thu Jan 29 20:26:12 1998 Jeffrey A Law (law@cygnus.com)
3140 * genattrtab.c (optimize): Define in case PRESERVE_DEATH_INFO_REGNO_P
3143 Thu Jan 29 09:27:56 PST 1998 Jeff Law (law@cygnus.com)
3145 * version.c: Bump for snapshot.
3147 Thu Jan 29 10:12:27 1998 Jeffrey A Law (law@cygnus.com)
3149 * configure.in: Check for atoq and atoll.
3150 * rtl.c (read_rtx): Use HAVE_ATOLL and HAVE_ATOQ to select the
3151 proper routine for converting ascii into long long values.
3153 Thu Jan 29 01:28:14 1998 Klaus Kaempf <kkaempf@progis.de>
3155 * cccp.c (SYS$SEARCH, SYS$PARSE): Write as upper-case.
3157 * vmsconfig.com: Remove bytecode references.
3159 * alpha/vms.h (PREFIX): Define.
3161 * alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Remove.
3163 * am-alpha.h: Don't include alloca for OPEN_VMS.
3165 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define.
3167 * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define.
3168 (GCC_INCLUDE_DIR): Define
3170 * make-cc.com, make-cccp.com, make-cc1.com: Removed.
3171 * makefile.vms: New file.
3173 * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha.
3175 * alpha.c (output_prolog): Output '.name' directive
3176 for minimal traceback information.
3178 * alpha.c (output_prolog): Don't prepend entry point symbols
3179 with '$' on OPEN_VMS.
3181 Thu Jan 29 00:25:35 1998 David S. Miller <davem@tanya.rutgers.edu>
3182 Jeffrey A Law (law@cygnus.com)
3184 * rtl.c (read_rtx): Use atol/atoq based upon disposition of
3187 * genattrtab.c (write_test_expr): Use HOST_WIDE_INT_PRINT_DEC
3189 * genemit.c (gen_exp): Likewise.
3190 * genpeep.c (match_rtx): Likewise.
3191 * genrecog.c (write_tree_1): Likewise.
3193 * c-lex.c (yyprint): Use proper format string based upon
3194 disposition of HOST_BITS_PER_WIDE_INT.
3195 (yylex): Put casts in right place for args to build_int_2.
3197 Thu Jan 29 00:24:29 1998 Jeffrey A Law (law@cygnus.com)
3199 * combine.c: Fix typos in Jan27 changes.
3201 Thu Jan 29 00:07:49 1998 Ollivier Robert <roberto@keltia.freenix.fr>
3203 * i386/freebsd.h (LIB_SPEC): Correctly handle -shared, -p and friends.
3204 (LINK_SPEC): Likewise.
3205 (STARTFILE_SPEC): Likewise.
3207 1998-01-28 Mike Stump <mrs@wrs.com>
3209 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
3211 * genattrtab.c (reload_completed): Define.
3213 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete
3216 Wed Jan 28 20:11:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3218 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
3219 SUBREG_REG if the word count is unchanged, also in the input reload
3220 case. Disable non-applicable sanity checks.
3222 Wed Jan 28 20:08:26 1998 Jeffrey A Law (law@cygnus.com)
3224 * config/t-svr4 (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
3226 Wed Jan 28 20:04:43 1998 Ian Lance Taylor <ian@cygnus.com>
3228 * i386/t-cygwin32 (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
3230 Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com>
3232 * dbxout.c (dbxout_type): For a RECORD_TYPE, check that TYPE_BINFO
3233 is a TREE_VEC before trying to use it for baseclasses.
3234 (Chill uses the same field for a different purpose.)
3236 * toplev.c (strip_off_ending): Generalize to endings up to 5 chars.
3238 Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi>
3240 * config.sub: More accurate determination of HP processor types.
3242 Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3244 * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
3245 prototype for `handle_sysv_pragma', and make it static. Add
3246 parentheses around assignment used as truth value.
3248 * combine.c (combine_instructions): Protect variable `prev' with
3250 (can_combine_p): Protect variable `link' with AUTO_INC_DEC.
3251 (extract_left_shift): Add parentheses around operand of &.
3252 (merge_outer_ops): Avoid an empty body in an else-statement.
3253 (gen_rtx_combine): Remove unused variable `i'.
3255 * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
3256 function monstartup `void'. Likewise for internal_mcount. Add
3257 `static void' prototype for moncontrol. Reconcile sprintf format
3260 * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
3261 Make return type of function_arg_slotno explicitly `int'.
3262 (reg_unused_after): Add parentheses around assignment used as
3264 (save_regs): Add explicit braces to avoid ambiguous `else'.
3265 (function_arg_slotno): Add parentheses around && within ||.
3266 (function_arg_pass_by_reference): Likewise.
3267 (sparc_flat_output_function_prologue): Reconcile fprintf format
3270 * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
3271 assignment used as truth value.
3273 * cplus-dem.c: Include <stdlib.h>.
3274 (demangle_signature): Avoid an empty body in an else-statement.
3275 (do_type): Remove unused variable `lvl'.
3277 * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
3278 Include <string.h>/<strings.h>.
3279 (cpp_lex): Remove unused variable `namelen'.
3280 (cpp_lex): Explicitly declare `num_chars' as an int.
3282 * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
3283 <unistd.h> instead. Explicitly declare is_system_include
3285 (make_assertion): Remove unused variable `kt'.
3286 (cpp_expand_to_buffer): Hide variable `obuf'.
3287 (output_line_command): Remove unused variables, `line_end',
3288 `line_cmd_buf' and `len'.
3289 (macarg): Remove unused variable `arg_start'.
3290 (special_symbol): Remove unused variable `i'. Add parentheses
3291 around assignment used as truth value.
3292 (do_include): Remove unused variables `pcfname' and `retried',
3293 hide `pcf' and `pcfbuflimit'.
3294 (do_line): Remove unused variable `i'.
3295 (finclude): Hide variable `missing_newline'.
3296 (cpp_handle_options): Remove unused variable `j'.
3297 (read_token_list): Remove unused variable `eofp'.
3298 (cpp_error_with_line): Remove unused variable `i'.
3299 (cpp_warning_with_line): Likewise.
3300 (cpp_pedwarn_with_line): Explicitly declare `column' as int.
3301 (cpp_error_from_errno): Remove unused variable `i'.
3303 * cse.c (invalidate): Add parentheses around assignment used as
3305 (find_best_addr): Move declaration of variable `our_cost' inside
3306 the conditional macro where its used.
3307 (fold_rtx): Avoid an empty body in an if-statement.
3308 (cse_insn): Wrap variables `this_insn_cc0_mode' and
3309 `this_insn_cc0' in macro HAVE_cc0.
3311 * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
3312 (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
3313 (output_uleb128): Likewise.
3314 (output_sleb128): Likewise.
3315 (output_cfi): Likewise.
3316 (output_call_frame_info): Remove unused variables `j', `fde_size'
3318 (comp_unit_has_inlines): Hide declaration as per rest of file.
3319 (size_of_line_prolog): Correct typo in prototype.
3320 (add_arange): Likewise.
3321 (output_aranges): Likewise.
3322 (add_name_and_src_coords_attributes): Likewise.
3323 (gen_array_type_die): Likewise.
3324 (gen_inlined_subroutine_die): Likewise.
3325 (equate_decl_number_to_die): Remove unused variable `i'.
3326 (print_die): Reconcile format vs. args in fprintf's.
3327 (print_dwarf_line_table): Likewise.
3328 (output_die): Likewise.
3329 (output_line_info): Likewise.
3330 (add_subscript_info): Avoid an empty body in an else-statement.
3331 (gen_subprogram_die): Remove unused variable `fp_loc'.
3333 * dwarfout.c: Explicitly declare `next_pubname_number' as int.
3334 Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
3335 macro. Protect `src_coords_attribute' prototype with
3336 DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
3337 prototype as in the rest of the file. Likewise for
3338 `output_pointer_type_die' and `output_reference_type_die'. Remove
3339 prototype for `type_of_for_scope'.
3340 (output_unsigned_leb128): Reconcile format vs. args in fprintf.
3341 (type_attribute): Add explicit braces to avoid ambiguous `else'.
3343 * final.c: Include <stdlib.h> and <string.h>/<strings.h>.
3344 (shorten_branches): Protect declaration of tmp_length with
3345 SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
3346 (profile_function): Protect declaration of `sval' and `cxt'
3347 variables with appropriate macros.
3348 (final_scan_insn): Likewise for `note' variable. Add explicit
3349 braces to avoid empty body in an if-statement.
3350 (output_asm_insn): Move variable `i' inside macro conditional
3351 where it is used. Add parentheses around assignment used as truth
3353 (asm_fprintf) Likewise, likewise.
3355 * fix-header.c (main): Remove unused variable `done'. Protect
3356 declaration of `i' with FIXPROTO_IGNORE_LIST.
3358 * pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
3360 * print-rtl.c (print_inline_rtx): Explicitly declare the parameter
3363 * profile.c: Include <string.h>/<strings.h>.
3364 (instrument_arcs): Remove unused variables `note', `inverted',
3365 `zero' and `neg_one'.
3366 (branch_prob): Avoid empty body in an if-statement.
3368 * regclass.c: Include <stdlib.h>.
3369 (reg_alternate_class): Explicitly declare parameter `regno'.
3371 * regmove.c (regmove_optimize): Remove unused variable `p'. Add
3372 parentheses around assignment used as truth value.
3373 (find_matches): Remove unused variables `output_operand' and
3375 (fixup_match_1): Remove statement with no effect: "if (0) ;".
3377 * scan.c (sstring_append): Explicitly declare `count' as int.
3378 (scan_string): Explicitly declare parameter `init' as int.
3380 * sched.c: Include <stdlib.h>.
3381 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
3382 (rank_for_schedule): Add parentheses around assignment used as
3384 (schedule_block): Likewise.
3385 (regno_use_in): Likewise.
3386 (schedule_insns): Remove unused variable `i'.
3388 * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
3389 (v_message_with_decl): Remove unused variable `n'.
3390 (botch): Explicitly declare parameter `s' as char *.
3391 (main): Add parentheses around assignment used as truth value.
3393 * tree.c (make_node): Protect the variable `kind' with the
3394 GATHER_STATISTICS macro.
3395 (real_value_from_int_cst): Move variable `e' inside conditional
3396 macro area where it is used.
3397 (tree_last): Add parentheses around assignment used as truth value.
3398 (build1): Protect the variable `kind' with the GATHER_STATISTICS
3400 (print_obstack_statistics): Reconcile format vs. args in fprintf.
3401 Protect variables `i', `total_nodes', and `total_bytes' with the
3402 GATHER_STATISTICS macro.
3404 Tue Jan 27 23:01:55 1998 Mike Stump (mrs@wrs.com)
3406 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add
3407 some comments regarding use of dead_or_set_p.
3409 Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com>
3411 * fixincludes: Tweak fix for struct exception in math.h
3413 Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com)
3415 * mips/mips.c (mips_expand_prologue,mips_expand_epilogue):
3416 Change mode of registers used to add/sub from
3417 hard_frame_pointer_rtx from word_mode to Pmode.
3419 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
3421 * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use
3422 asm_output_aligned_bss() instead of asm_output_bss().
3424 * toplev.c (rest_of_compilation): Replace references to
3425 stack_reg_dump_file and dbr_sched_dump_file with references to
3428 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
3430 * tlink.c (scan_linker_output): Call fclose() for opened files.
3432 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
3434 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
3435 compiling with -fpic -- we want to be able to override symbols
3437 (alpha_expand_block_move): Fix thinko in last change.
3439 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
3440 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
3441 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
3443 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
3445 * alpha.md (abssf, absdf): Revert last change.
3447 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
3449 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
3450 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
3452 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
3454 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
3455 a CONST_INT into SFmode.
3457 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
3459 * flags.h: New flag (optimize_size).
3460 * toplev.c (main): Parse -Os option and set optimize_space
3462 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
3463 __OPTIMIZE_SIZE__ when compiling with -Os.
3464 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
3465 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
3466 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
3468 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
3470 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
3472 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
3473 stuff only if MCT_TEXT is #define'd.
3475 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
3477 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
3480 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
3482 * toplev.c: Add -dM command line option to dump RTL after the
3483 machine dependent reorganisation pass, if there is one.
3484 Reorganise RTL dump code, so that only one file handle is
3487 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
3489 * except.c (check_exception_handler_labels): Disable warning when
3492 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
3494 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
3496 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3498 * c-decl.c (grokdeclarator): Get parameter tags from
3499 last_function_parm_tags.
3500 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
3501 traversing the parameter types.
3502 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
3504 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
3506 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
3508 (get_shift_alg): Fix typo.
3510 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
3512 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
3514 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
3516 * toplev.c (get_run_time): Make sure each case gets its variables.
3518 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
3520 * configure.in (build_xm_file): Add auto-config.h if host=build.
3521 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
3522 (build_xm_file_list): Likewise.
3523 * configure: Rebuild.
3525 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
3527 * recog.c (validate_replace_rtx_1): Only perform substitutions
3528 of arguments to commutative and comparison operators once.
3530 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3532 * sparc.c (output_cbranch): Add default case in
3535 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
3536 (emit_delay_sequence): Eliminate unused parameter, all callers
3538 (fill_simple_delay_slots): Likewise.
3539 (fill_slots_from_thread): Likewise.
3540 (fill_eager_delay_slots): Likewise.
3541 (mark_referenced_resources): Add default case in enumeration switch.
3542 (mark_set_resources): Likewise.
3543 (rare_destination): Likewise.
3544 (mostly_true_jump): Likewise.
3545 (find_dead_or_set_registers): Likewise.
3546 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
3547 (update_reg_unused_notes): Remove unused variable `p'.
3548 (mark_target_live_regs): Remove unused variables `next' and
3550 (fill_simple_delay_slots): Remove unused variable `j'.
3551 (fill_slots_from_thread): Add parentheses around assignment used
3553 (dbr_schedule): Likewise.
3555 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
3556 (objc.stage2, objc.stage3, objc.stage4): Likewise.
3558 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
3560 * cse.c (simplify_ternary_operation): Don't try to simplify
3561 IF_THEN_ELSE expressions (created by combine) that don't use
3562 relational operators.
3564 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
3566 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
3569 * crtstuff.c (init_dummy): Keep the epilogue in the init
3570 section for non-ELF systems.
3572 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3574 * sh.md (movqi_i+1): New peephole.
3576 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
3578 * Makefile.in: Remove remaining bytecode stuff.
3579 * emit-rtl.c, expr.c: Likewise.
3581 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
3583 * toplev.c (lang_options): Add unknown-pragma options.
3585 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
3587 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
3588 special (and incomplete) handling for Chill arrays.
3590 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
3592 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
3595 Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com)
3597 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
3599 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
3601 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
3602 .frame directive instead of FRAME_POINTER_REGNUM.
3604 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
3606 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
3607 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
3608 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
3609 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
3610 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
3611 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
3612 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
3613 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
3615 * longlong.h: Replace __mc68332__ with __mcpu32__.
3617 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
3619 * version.c: Bump for snapshot.
3621 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
3623 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
3624 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
3625 * reload1.c (eliminate_regs): Likewise.
3627 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
3629 * regmove.c (find_matches): Initialize matches->earlyclobber too.
3631 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
3633 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
3634 (negsf2, negdf2): Use proper subtract in IEEE mode.
3636 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
3638 * Makefile.in: Remove more bytecode stuff.
3639 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
3640 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
3641 * f/install.texi, objc/Make-lang.in: Likewise.
3643 * Makefile.in: Remove all bytecode support.
3644 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
3645 * emit-rtl.c: Remove all bytecode support.
3646 * expr.c, expr.h function.c, integrate.c: Likewise.
3647 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
3648 * tree.h, varasm.c: Likewise.
3649 * config/m68k/m68k.h: Likewise.
3650 * bi-*, bc-*, bytecode*: Delete bytecode related files.
3651 * modemap.def: Likewise.
3653 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
3655 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
3656 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
3658 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
3660 * i386.md (push): Prohibit symbolic constants if flag_pic.
3661 (movsi+1): Likewise for move to non-register.
3663 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
3665 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
3666 (print_operand): Handle 0xffffffff on 32 bit host.
3668 * configure.in (thread_file): Rename uses before main loop to
3669 target_thread_file. Initialize to empty in main loop. Set thread_file
3670 to target_thread_file after main loop if not set.
3671 * configure: Rebuild.
3673 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
3674 (add_values_to_cover): Revert last change (which had no ChangeLog
3676 (simplify_with_current_value_aux): Handle CONST_INT.
3678 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3680 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
3682 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
3684 * configure.in: Add cpp stringify test.
3685 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
3686 * gengenrtl.c: Use it.
3687 * configure, config.in: Rebuild.
3689 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3691 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
3693 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
3695 * configure.in: Find declaration for sbrk.
3696 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
3697 * config.in, configure: Rebuild.
3698 * mips-tfile.c: Properly protect declaration of sbrk and free.
3699 * toplev.c: Properly protect declaration of sbrk.
3701 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
3703 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
3705 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
3707 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
3709 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
3711 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
3713 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
3715 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
3716 constant offset computations from objects with known alignment in
3717 the presence of STACK_BIAS.
3719 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
3721 (const_hash): Hash val is unsigned long.
3722 (SYMHASH): Likewise.
3724 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
3726 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
3727 char pointer, not HOST_WIDE_INT.
3728 (print_node): Likewise. Also hash is unsigned long not
3731 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
3733 * explow.c (optimize_save_area_alloca): New function for targets
3734 where SETJMP_VIA_SAVE_AREA is true.
3735 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
3736 compute the amount of stack space needed should we find later that
3737 setjmp is never called by this function, stuff rtl for this inside
3738 a REG_NOTE of the final SET of stack_pointer_rtx.
3739 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
3740 current_function_calls_alloca, call optimize_save_area_alloca.
3742 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
3744 * i386.md: Remove redundant integer push patterns.
3745 Don't bother checking for TARGET_PUSH_MEMORY when
3746 pushing constants or registers.
3748 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
3749 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
3751 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
3752 (pwait): New function for mingw32.
3754 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
3755 pipe support is broken for now.
3757 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
3759 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
3760 between frame_pointer_rtx, hard_frame_pointer_rtx, and
3761 arg_pointer_rtx is respected in initialization.
3762 (init_emit_once): Use gen_rtx_raw_REG() to create
3763 return_address_pointer_rtx.
3765 * reorg.c: #include "expr.h" for rtx prototypes.
3766 * Makefile.in (reorg.o): Depend on expr.h
3768 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
3770 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
3771 local_prefix to sub-make invocations.
3773 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
3775 * objc-parse.c: Recognize protocol qualifiers in class definitions.
3777 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
3781 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
3782 * configure.in: Check for atol.
3783 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
3785 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
3787 * loop.c (find_and_verify_loops): When attempting to move insns from
3788 inside the loop outside the loop, create a BARRIER if no suitable
3791 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
3792 favor of an equivalent change from gcc-2.8.
3794 * i386/x-sco5 (CC): Remove trailing whitespace.
3796 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3798 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
3799 (accessor_from_format): Likewise.
3800 (xmalloc): New function for use when linking with alloca.o.
3802 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
3804 * frame.c (find_fde): Correct FDE's upper bound.
3806 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
3808 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
3810 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
3812 * calls.c (expand_call): Move #ifdef code out of macro argument
3814 (emit_library_call, emit_library_call_value): Likewise.
3816 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
3818 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
3820 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
3822 * version.c: Bump for snapshot.
3824 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
3826 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
3827 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
3828 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
3829 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
3830 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
3831 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
3832 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
3833 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
3834 * unroll.c, varasm.c: Likewise.
3835 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
3837 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
3839 * mips.h: Fix some type-o's from a previous change.
3841 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
3843 * loop.c (check_dbra_loop): Make sure initial value is a
3844 CONST_INT before trying to normalize it.
3846 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
3848 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
3850 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
3852 * cppexp.c: Include gansidecl.h
3854 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
3856 * svr4.h (LINK_SPEC): Never specify -h.
3857 * ptx4.h (LINK_SPEC): Likewise.
3858 * rs6000/sysv4.h (LINK_SPEC): Likewise.
3859 * sparc/sol2.h (LINK_SPEC): Likewise.
3861 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
3863 * c-typeck.c (comptypes): Exit early on NULL input.
3865 * haifa-sched.c (schedule_insns): Correctly remove inter-block
3866 dependencies after reload.
3868 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
3870 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
3872 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
3874 * alpha/vms.h (DIR_SEPARATOR): define
3876 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
3878 * Makefile.in (stamp-proto): Remove.
3879 (protoize.o, unprotoize.o): Straightforward compile.
3880 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
3882 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
3884 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
3885 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
3887 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
3889 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
3890 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
3891 * sparc/netbsd.h, vax/netbsd.h: Likewise.
3893 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
3895 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
3897 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
3899 * configure.in (target_cpu_default, target_cpu_default2): Use double
3900 quotes around them when testing their value.
3901 * configure: Rebuilt.
3903 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
3905 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
3907 (gendef): Call obstack_alloc_rtx.
3909 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
3911 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
3914 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
3916 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
3917 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
3918 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
3920 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
3922 * mips.md (return_internal): Change mode from SImode to VOIDmode.
3924 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
3926 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
3929 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
3931 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
3932 suffix from operand 3.
3934 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3935 Jeffrey A Law (law@cygnus.com)
3937 * regmove.c: New implementation of regmove pass.
3938 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
3939 decls, make them have external linkage. Return a value from
3940 optimize_reg_copy_1.
3941 * reload.h (count_occurrences): Add decl.
3942 * reload1.c (count_occurrences): Delete decl, make it have external
3944 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
3946 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
3948 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
3949 if it is not defined.
3951 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
3953 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
3954 * emit-rtl.c (gen_rtx): Move special code to ...
3955 (gen_rtx_CONST_INT): New function.
3956 (gen_rtx_REG): New function.
3957 (*): Update all calls to gen_rtx.
3958 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
3959 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
3960 (GEN_INT): Call gen_rtx_CONST_INT.
3961 * gengenrtl.c: New file.
3963 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
3965 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
3966 (base_alias_check): If no base found for address call canon_rtx and
3969 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
3971 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
3972 arguments for mips16.
3973 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
3974 Don't lose if tsize is zero after handling large stack for mips16.
3975 * mips.md (return): For trivial return, return address is in $31.
3977 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
3979 * mips/mips16.S: Various changes to make it work with -msingle-float
3982 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
3983 Ian Lance Taylor <ian@cygnus.com>
3984 Jeff Law <law@cygnus.com>
3986 * mips.c, mips.h, mips.md: First cut at merging in mips16
3987 support. Major modifications throughout all three files.
3989 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
3991 * configure.in: Make gthr-default.h a forwarding header instead of
3994 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3996 * gcov-io.h: Include sys/types.h to ensure we get size_t.
3998 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
4000 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
4001 Jeffrey A Law (law@cygnus.com)
4003 * crtstuff.c (__frame_dummy): New function for irix6.
4004 (__do_global_ctors): Call __frame_dummy for irix6.
4005 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
4007 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
4009 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
4011 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
4013 * c-decl.c (init_decl_processing): Provide proper fallback symbol
4014 for __builtin_memset.
4015 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
4016 not INTEGER_CST. Assert arg 3 is a constant.
4018 * alpha.c (mode_width_operand): Accept 64-bit modes.
4019 (mode_mask_operand): Likewise.
4020 (print_operand): Likewise for 'M' and 'U' codes.
4021 (alpha_expand_unaligned_load): New function.
4022 (alpha_expand_unaligned_store): Likewise.
4023 (alpha_expand_unaligned_load_words): Likewise.
4024 (alpha_expand_unaligned_store_words): Likewise.
4025 (alpha_expand_block_move): Likewise.
4026 (alpha_expand_block_clear): Likewise.
4027 * alpha.h (MOVE_RATIO): New define.
4028 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
4029 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
4031 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
4032 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
4034 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
4036 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
4037 * configure: Update.
4039 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
4041 * emit-rtl.c (operand_subword): Correctly handle extracting a word
4042 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
4044 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
4047 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
4049 * configure.in: Set and subsitute host_exeext. Use it when creating
4050 the assembler and linker symlinks.
4051 * configure: Rebuild.
4052 * Makefile.in (exeext): Set to @host_exeext@.
4053 (build_exeext): New variable, set to @build_exeext@.
4054 (FLAGS_TO_PASS): Pass down build_exeext.
4055 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
4058 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
4060 * mn10200.md (addsi3, subsi3): Fix thinkos.
4062 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
4064 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
4065 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
4066 unix always, since we want to be able to thunk to functions in a
4067 shared library from an application.
4069 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
4071 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
4072 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
4074 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
4076 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
4077 offset's mode is not ptr_mode, convert it.
4079 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
4081 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
4082 compiling if it was already defined.
4084 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
4086 * flow.c (find_basic_blocks): Don't create a new basic block
4087 for calls in a LIBCALL block.
4089 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
4091 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
4093 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
4095 * cse.c (rtx_cost): Remove conflicting default case.
4097 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
4099 * configure.in: Move default enabling of Haifa out of for loop.
4100 * configure: Rebuild.
4102 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
4104 * version.c: Bump for snapshot.
4106 1997-12-25 Teemu Torma <tot@trema.com>
4108 * Makefile.in (GTHREAD_FLAGS): New var.
4109 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
4110 (distclean): Remove gthr-default.h.
4112 * configure.in: Accept dce as a thread package.
4113 Check for thread.h and pthread.h.
4114 Link gthr-default.h to appropriate thread file and set
4116 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
4117 include multilib definitions from pa/t-dce-thr.
4118 (sparc-*-solaris2*): Enable threads by default, if thread.h or
4119 pthread.h is found, preferring posix threads over solaris ones.
4121 * config/pa/t-dce-thr: New file.
4122 * config/pa/t-pa: Removed multilibs.
4123 * config/sparc/t-sol2: Ditto.
4126 * gthr-single.h: New file.
4127 * gthr-posix.h: New file.
4128 * gthr-solaris.h: New file.
4129 * gthr-dce.h: New file.
4130 * libgcc-thr.h: Removed.
4131 * objc/thr-dce.c: New file copied from thr-decosf1.c.
4133 * frame.c: Include gthr.h instead of libgcc-thr.h.
4134 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
4135 (eh_context_initialize): If __gthread_once fails, use static eh
4137 (eh_context_free): Call __gthread_key_dtor.
4139 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
4141 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
4143 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
4145 * cse.c (max_insn_uid): New variable.
4146 (cse_around_loop): Use max_insn_uid.
4147 (cse_main): Set max_insn_uid.
4149 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
4150 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
4151 -mlong64, and -mgp{32,64} options.
4152 * mips.c (mips_abi): Change type to int.
4153 * mips.h (enum mips_abi_type): Delete.
4154 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
4155 (mips_abi): Change type to int.
4157 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
4159 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
4160 optimization is now always enabled.
4162 * calls.c (expand_call): Recognize C++ operator new as malloc-like
4165 * alias.c (memrefs_conflict_p): Eliminate tests now done by
4167 (*_dependence): Call canon_rtx before base_alias_check.
4168 (init_alias_once): New function to precompute set of registers which
4169 can hold Pmode function arguments.
4171 * rtl.h: Declare init_alias_once.
4173 * toplev.c (compile_file): Call init_alias_once.
4175 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
4177 * tree.c (restore_tree_status): Do not dereference a null pointer.
4179 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
4181 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
4182 RLIMIT_STACK. This maintains consistency with the recent, similar
4183 patch to cccp.c and toplev.c.
4185 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
4187 * genattrtab.c (expand_units): For large nr opclasses, expand
4188 function_units_used with ORX to prevent blowups. Tag with FFS.
4189 (num_unit_opclasses): New variable.
4190 (gen_unit): Update it.
4191 (enum operator): Add ORX_OP.
4192 (operate_exp): Treat ORX as or, except don't expand across an if.
4193 Reuse number rtx's after operating on them.
4194 (check_attr_value): Accept IOR, AND, & FFS.
4195 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
4196 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
4197 (write_expr_attr_cache, write_toplevel_expr): New functions.
4198 (write_attr_get): Handle FFS-tagged expressions.
4199 (make_canonical): Don't expand const attributes.
4200 (convert_const_symbol_ref): Dike out.
4201 (evaluate_eq_attr): Handle SYMBOL_REF.
4202 (main): Don't emit get_attr_foo for const attributes.
4204 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
4205 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
4206 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
4207 * alpha.md: Redo all of the scheduling, adding EV6 support, and
4208 combining function units where possible.
4209 (attr "type"): Split loads, stores, cmov into int/fp. Combine
4210 multiplies and divides. Add EV6 sqrt, ftoi, itof.
4211 (attr "opsize"): New attribute.
4212 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
4213 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
4214 to control register allocation.
4215 (movsi2-1, movdi2-1): Likewise.
4217 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
4219 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
4220 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
4221 Move OSF/1 specific defines out.
4222 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
4223 Move Linux specific defines out.
4224 (LINK_SPEC): Genericize.
4225 (ASM_FILE_START): Emit .arch if using more than the base insn set.
4226 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
4227 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
4228 (HANDLE_SYSV_PRAGMA): Define.
4229 * alpha/osf.h: New file.
4230 * alpha/linux.h: Split. Retain file-format independant defines.
4231 Import Linux bits from elf.h.
4232 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
4233 (FUNCTION_PROFILER): _mcount takes its address in $28.
4234 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
4235 * alpha/linux-ecoff.h: New file.
4236 * alpha/linux-elf.h: New file.
4237 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
4238 * alpha/win-nt.h (TARGET_DEFAULT): Define.
4239 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
4240 Add new headers as appropriate.
4242 * configure.in (alpha*): Enable Haifa by default.
4243 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
4244 * configure: Rebuild.
4246 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
4248 * Makefile.in (clean): Remove the stages with their objects here ...
4249 (distclean): ... instead of here.
4251 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4253 * cse.c (rtx_cost): Add default case in enumeration switch.
4254 * fix-header.c (recognized_macro): Likewise.
4255 (recognized_extern): Likewise.
4256 (write_rbrac): Likewise.
4257 * objc/objc-act.c (encode_aggregate): Likewise.
4258 (gen_declarator): Likewise.
4259 (gen_declspecs): Likewise.
4261 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
4263 * haifa-sched.c (create_reg_dead_note): Detect and handle another
4264 case where we kill more regs after sched than were killed before
4266 * sched.c (create_reg_dead_note): Similarly.
4268 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
4270 * c-pragma.c: Include flags.h.
4272 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
4274 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
4275 about system headers.
4276 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
4277 and also to resolve symbols in prefix.c.
4279 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
4280 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
4281 when the definitions in auto-config.h is not visible.
4282 (HAVE_BZERO): Likewise.
4283 (HAVE_BCMP): Likewise.
4284 (HAVE_RINDEX): Likewise.
4285 (HAVE_INDEX): Likewise.
4287 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
4289 * pa.c (emit_move_sequence): Handle a function label source
4292 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
4294 * c-pragma.c (handle_pragma_token): Generate warning messages
4295 about unknown pragmas if warn_unknown_pragmas is set.
4297 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
4298 line option to set variable: warn_unknown_pragmas.
4300 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
4302 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
4304 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
4306 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
4308 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
4309 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
4310 generate more fine grained floating point emulation libraries.
4311 * config/fp-bit.c: Add protecting #ifdef to all functions so
4312 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
4313 then compile all suitable functions.
4314 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
4315 underscores to avoid namespace pollution.
4316 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
4318 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
4322 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4323 Jeff Law <law@cygnus.com>
4325 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
4327 * c-decl.c (finish_decl): Use parentheses around && within ||.
4328 * rtl.c: Include stdlib.h.
4329 (read_skip_spaces): Add parentheses around assignments used as
4331 (read_rtx): Initialize list_rtx.
4332 * cppexp.c (parse_number): Use || when operands are truth values.
4333 * alias.c (find_base_value): Add default case.
4334 (memrefs_conflict): Likewise.
4335 * combine.c (sets_function_arg_p): Likewise.
4336 * genemit.c (gen_exp): Likewise.
4337 * local-alloc.c (contains_replace_regs): Likewise.
4338 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
4339 * fold-const.c (fold_convert): Use "&&" for truth values.
4340 (fold): Add default case.
4341 * sdbout.c (sdbout_field_types): Fix typo in declaration.
4342 (sdbout_one_type): Add default case.
4343 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
4344 (some_operand): Add default case.
4345 (input_operand): Likewise.
4346 (signed_comparison_operator): Likewise.
4347 (divmod_operator): Likewise.
4348 (alpha_set_memflags_1): Likewise.
4349 * reload1.c (reload_cse_simplify_operands): Ensure function
4350 always returns a value.
4351 * scan-decls.c (scan_decls): Likewise.
4352 * c-lex.c (skip_white_space): Fix typo in declaraion.
4353 * c-typeck.c (comp_target_types): Add parentheses around assignment
4354 used as truth value.
4355 (print_spelling): Likewise.
4356 (constructor_implicit, constructor_result): Remove unused variables.
4357 * collect2.c (scan_library): Protect prototype with
4358 #ifdef SCAN_LIBRARIES.
4359 * emit-rtl.c (find_line_note): Fix typo in declaration.
4360 * final.c (asm_insn_count): Protect prototype with
4361 #ifdef HAVE_ATTR_length.
4362 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
4363 (try_pre_increment_1, try_pre_increment): Likewise.
4364 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
4365 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
4366 * gcov-io.h (__store_long, __write_long, __read_long): Fix
4367 unsigned/signed comparisons.
4368 * gcov.c (read_files): Remove unused "first_type" variable.
4369 (scan _for_source_files): Initialize s_ptr.
4370 (function_summary): Eliminate "%lf" formatting, use %ld for
4372 (output_data): Initialize branch_probs and last_line_num.
4373 Eliminate "%lf" formatting, use "%ld" for longs.
4375 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
4377 * mips16.S: New file.
4379 * libgcc2.c (varargs): Handle mips16.
4381 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
4383 * stmt.c (expand_end_case): Likewise.
4384 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
4385 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
4386 * rs6000.h, sh.h, tahoe.h, v850.h, vax.h: Likewise.
4388 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4390 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
4391 the build directory.
4392 (libobjc.a): Update dependency list.
4393 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
4395 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
4396 (objc.mostlyclean): Remove runtime-info.h.
4398 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
4400 * tree.c (build_range_type): Allow creation of ranges with no maximum.
4401 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
4402 * dwarf2out.c (add_subscript_info): Likewise.
4403 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
4404 * sdbout.c (plain_type_1): Likewise.
4405 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
4407 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
4410 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4412 * mips.c (fatal): Remove declaration.
4414 1997-12-18 Mark Mitchell <mmitchell@usa.net>
4416 * integrate.c (get_label_from_map): New function.
4417 (expand_inline_function): Use it. Initialize the label_map to
4418 NULL_RTX instead of gen_label_rtx.
4419 (copy_rtx_and_substitute): Use get_label_from_map.
4420 * integrate.h (get_label_from_map): New function.
4421 (set_label_from_map): New macro.
4422 * unroll.c (unroll_loop): Use them.
4423 (copy_loop_body): Ditto.
4425 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
4427 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
4428 (INIT_TARGET_OPTABS): Define.
4429 * mips/ecoff.h: Include gofast.h before mips.h.
4430 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
4431 * mips/elf64.h: Likewise.
4432 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
4434 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
4436 * except.c: Remove register_exception_table{,_p}.
4438 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
4440 * unroll.c (calculate_giv_inc): Handle constant increment found in
4441 a MEM with an appropriate REG_EQUAL note.
4443 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
4445 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
4446 frame pointer in the prologue.
4448 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
4450 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
4451 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
4453 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
4455 * config/m68k/m68k.c (output_function_prologue): Typecast
4456 dwarf2out_cfi_label to (char *).
4457 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
4459 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
4461 * sparc.md (jump): Don't use the annul bit around an empty loop.
4462 Patch from Kevin.Kelly@East.Sun.COM.
4464 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
4466 * jump.c: (jump_optimize): Don't use the return register as a
4467 source1 of a conditional move.
4469 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
4471 * sparc.c (DF_MODES): Or the mask not the bit number.
4472 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
4474 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
4476 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
4478 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
4480 * fixincludes (size_t): Add support for Motorola's stdlib.h
4481 which fails to provide a definition for size_t.
4482 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
4483 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
4484 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
4486 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
4487 prevent unresolved externals in libio.
4488 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
4490 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
4492 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
4493 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
4494 (LIB_SPEC): Updated for glibc 2.
4496 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
4498 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
4499 * ginclude/varargs.h: Likewise.
4501 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
4503 * version.c: Bump for snapshot.
4505 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
4507 * frame.h (__register_frame, __register_frame_table,
4508 __deregister_frame): New.
4509 * frame.c (__register_frame, __register_frame_table,
4510 __deregister_frame): New.
4511 * frame.c (__deregister_frame_info): Return void *.
4512 * frame.h (__deregister_frame_info): Ditto.
4513 * collect2.c (__deregister_frame_info): Ditto.
4515 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
4517 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
4519 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
4521 * alpha.c (alpha_cpu_name): New variable.
4522 (alpha_mlat_string): Likewise.
4523 (alpha_memory_latency): Likewise.
4524 (override_options): Handle -mmemory-latency.
4525 (alpha_adjust_cost): Adjust load cost for latency.
4526 * alpha.h (TARGET_OPTIONS): Add meory-latency.
4527 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
4528 TARGET_CIX into account.
4529 (MEMORY_MOVE_COST): Define in terms of memory_latency.
4530 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
4532 * alpha.h (ASM_COMMENT_START): New macro.
4534 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
4536 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
4537 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
4539 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
4540 SUBREG_REG if the word count is unchanged.
4541 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
4542 subregs of identical word size for push_reload.
4544 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
4546 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
4547 if all we're doing is dealing with -Wreturn-type.
4549 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
4551 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
4552 Use and 255 instead of zapnot 1, since it schedules better.
4554 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
4556 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
4559 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
4561 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
4562 dependency we delete. Properly update prev for multiple consecutive
4564 (priority): Skip deleted dependence.
4566 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
4568 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
4570 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
4572 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
4573 determining when a new basic block starts.
4575 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
4577 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
4578 * pa.md (iorsi3): Add missing args to *_operand calls.
4580 * except.c (call_get_eh_context): Don't mess with sequences.
4581 (emit_eh_context): Include the call in the sequence here.
4583 1997-12-11 Paul Eggert <eggert@twinsun.com>
4585 * collect2.c (write_c_file_glob): Allocate initial frame object
4586 in static storage and pass its address.
4588 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
4590 * except.c (call_get_eh_context): Don't take a parm.
4591 Put the call at the top of the function.
4592 (emit_eh_context): Adjust.
4593 (get_eh_context): Replace with former use_eh_context.
4594 (get_eh_context_once, get_saved_pc_ref): Remove.
4595 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
4597 * integrate.c (expand_inline_function): Adjust.
4598 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
4600 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
4602 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
4603 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
4605 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
4607 * fixincludes (strlen,strspn,strcspn return value): Handle different
4609 (hypot): Provide a fake for hypot which is broken on
4610 m88k-motorola-sysv3.
4612 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
4614 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
4615 tree_code_name from pointers to arrays.
4616 * tree.c: Remove standard_tree_code_* variables, no longer used.
4617 * print-tree.c: Remove declaration of tree_code_name.
4619 * cp/lex.c (init_lex): Update for tree_code_* changes.
4620 * objc/objc-act.c (init_objc): Likewise.
4622 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
4625 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
4627 * config.sub: Add support for BeOS target.
4628 * configure.in: Likewise.
4629 * ginclude/stdarg.h: Likewise.
4630 * ginclude/stddef.h: Likewise.
4631 * ginclude/varargs.h: Likewise.
4632 * rs6000/beos.h: New file for BeOS.
4633 * rs6000/t-beos: Likewise.
4634 * rs6000/x-beos: Likewise.
4635 * rs6000/xm-beos.h: Likewise.
4636 * toplev.c (get_run_time): Just return 0 on BeOS.
4638 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
4639 Toon Moene (toon@moene.indiv.nluug.nl)
4641 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
4642 old and broken Sun3 assemblers. Newer versions handle large
4643 offsets correctly as does the GNU assembler.
4645 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4647 * objc/objc-act.c (lang_report_error_function): Disable.
4648 * objc/objc-parse.y: Include "output.h".
4649 (yyerror): Remove redundant decl.
4650 (yyprint): Fix prototype.
4651 (apply_args_register_offset): Remove redundant decl.
4652 (get_file_function_name): Likewise.
4654 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
4656 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
4658 (find_basic_blocks_1): Likewise.
4660 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
4662 * except.c (use_eh_context): Don't copy_rtx a REG.
4663 (emit_throw): Lose old unwinder support.
4664 (expand_internal_throw): Likewise.
4665 * libgcc2.c (struct eh_context): Likewise.
4666 (new_eh_context): Likewise.
4667 (__get_eh_info): Lose redundant cast.
4668 (__get_dynamic_handler_chain): Likewise.
4669 (__get_saved_pc): Lose.
4670 Lose all old unwinder support code.
4672 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
4674 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
4676 * integrate.c (expand_inline_function): If the inline fn uses eh
4677 context, make sure that the current fn has one.
4678 * toplev.c (rest_of_compilation): Call emit_eh_context.
4679 * except.c (use_eh_context): New fn.
4680 (get_eh_context_once): New fn.
4681 (call_get_eh_context): New fn.
4682 (emit_eh_context): New fn.
4683 (get_eh_context): Call either get_eh_context_once or
4684 call_get_eh_context, depending on what we have.
4685 (get_dynamic_handler_chain): Call get_eh_context_once.
4686 * except.h: Prototypes for fns above.
4687 * optabs.c (get_eh_context_libfunc): Removed.
4688 (init_optabs): Don't initialize it.
4689 * expr.h (get_eh_context_libfunc): Removed.
4690 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
4691 * config/pa/pa.h (CPP_SPEC): Support for -threads.
4692 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
4693 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
4694 New multilib for -threads.
4695 * config/sparc/t-sol2: Added multilibs for -threads and
4696 made -pthreads alias to it.
4697 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
4698 Added -threads and -pthreads options.
4699 * libgcc-thr.h: New file.
4700 * libgcc2.c: (__get_cpp_eh_context): Removed.
4701 (struct cpp_eh_context): Removed.
4702 (struct eh_context): Replaced cpp_eh_context with generic language
4704 (__get_eh_info): New function.
4705 (__throw): Check eh_context::info.
4707 * libgcc2.c: Include libgcc-thr.h.
4708 (new_eh_context, __get_eh_context,
4709 eh_pthread_initialize, eh_context_initialize, eh_context_static,
4710 eh_context_specific, eh_context_free): New functions.
4711 (get_eh_context, eh_context_key): New variables.
4712 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
4713 get_eh_context to get the context.
4714 (longjmp): Move the declaration inside
4715 #ifdef DONT_USE_BUILTIN_SETJMP.
4716 * frame.c: Include libgcc-thr.h.
4717 (object_mutex): Mutex to protect the object list.
4718 (find_fde, __register_frame, __register_frame_table,
4719 __deregister_frame): Hold the lock while accessing objects.
4720 * except.h (get_eh_context): Declare.
4721 * except.c (current_function_ehc): Define.
4722 (current_function_dhc, current_function_dcc): Removed.
4723 (get_eh_context): New function.
4724 (get_dynamic_handler_chain): Use get_eh_context.
4725 (get_saved_pc_ref): Ditto.
4726 (get_dynamic_cleanup_chain): Removed references to
4727 current_function_dcc.
4728 (save_eh_status, restore_eh_status): Save and restore
4729 current_function_ehc instead.
4730 * optabs.c (get_eh_context_libfunc): New variable.
4731 (init_optabs): Initialize it.
4732 * expr.h: Declare get_eh_context_libfunc.
4733 * function.h (struct function): Replaced dhc and dcc with ehc.
4734 * except.c (get_saved_pc_ref): New functions.
4735 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
4736 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
4738 (end_eh_unwinder): Likewise.
4739 (init_eh): Remove initialization of eh_saved_pc.
4740 * optabs.c (get_saved_pc_libfunc): New variable.
4741 (init_optabs): Initialize it.
4742 * expr.h: Declare get_saved_pc_libfunc.
4743 * except.h (eh_saved_pc_rtx): Deleted.
4744 (get_saved_pc_ref): Declared.
4746 From Scott Snyder <snyder@d0sgif.fnal.gov>:
4747 * libgcc2.c (__get_saved_pc): New.
4748 (__eh_type, __eh_pc): Deleted.
4749 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
4750 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
4753 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
4755 * sparc/sol2.h: Use 64 bit multiply and divide functions in
4756 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
4759 * rtl.h (global_rtl): New variable, replacing separate variables for
4761 (const_int_rtx): Now array of rtx_def, not rtx.
4762 * emit-rtl.c: Update for new rtl data structures.
4763 * genattrtab.c: Define global_rtl.
4765 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
4767 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
4770 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
4772 * crtstuff.c (__do_global_ctors): Fix typo.
4774 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
4776 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
4777 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
4779 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
4781 * rs6000.h (FUNCTION_ARG_PADDING): Define.
4782 * rs6000.c (function_arg_padding): New function.
4784 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
4786 * m68k.c: Include tree.h only once.
4788 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4790 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
4792 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
4794 * Partially cleaned up prototyping code from HJ.
4795 * tree.h: Add many prototypes.
4796 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
4797 All references changed.
4798 * rtl.h: Protect from multiple inclusions. Add many prototypes.
4800 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
4802 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
4803 string functions like strlen.
4805 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
4807 * configure.in: Check for functions getrlimit and setrlimit.
4808 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
4809 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
4811 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
4813 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
4815 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
4817 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
4820 * alpha.c (override_options): Don't know about scheduling for EV6.
4821 * alpha.md (ev5 function units): Don't overload as ev6.
4823 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
4824 * alpha.md (define_attr type): Add mvi.
4825 (ev5_e0): Define sceduling parameters for it.
4826 (TARGET_MAX insns): Type is mvi not shift.
4828 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
4830 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
4832 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4834 * cstamp-h, auto-config.h: Delete.
4836 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
4838 * version.c: Bump for snapshot.
4840 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
4842 * cccp.c: Fix typo brought over in merge.
4844 * Merge in changes from gcc-2.8.
4846 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
4848 * m68k.c: Include tree.h for dwarf2out_cfi_label.
4850 * gcc.c (process_command): Do not take address of function fatal when
4851 calling lang_specific_driver.
4853 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
4855 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
4856 doesn't work with it yet, so set it to 0.
4857 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
4859 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
4861 * cse.c (cse_insn): Check for invalid entries when taking references.
4863 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4865 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
4866 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
4867 * toplev.c (rest_of_compilation): Pass it. Remove code to
4868 save / clear / restore flag_unroll_{,all_}loops.
4870 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
4872 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
4874 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
4876 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
4878 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
4880 * except.c (get_dynamic_handler_chain): Only make the call once per
4883 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
4885 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4887 * sh.c (final_prescan_insn): Use local label prefix
4888 when emitting .uses pseudo-ops.
4890 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
4892 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
4893 * except.c: Lose outer_context_label_stack.
4894 (expand_eh_region_end): Rethrow from outer_context here.
4895 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
4896 (expand_internal_throw): Take no args.
4897 (expand_internal_throw_indirect): Lose.
4898 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
4899 (expand_start_all_catch): Start a rethrow region.
4900 (expand_end_all_catch): End it.
4901 (expand_rethrow): New fn.
4902 * except.h: Reflect above changes.
4903 * flow.c: Revert change of Nov 27.
4905 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
4907 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
4909 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
4911 * except.c (expand_fixup_region_end): New fn.
4912 (expand_fixup_region_start): Likewise.
4913 (expand_eh_region_start_tree): Store cleanup into finalization here.
4914 * stmt.c (expand_cleanups): Use them to protect fixups.
4916 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
4918 * mips/mips.md (muldi3_r4000): Broaden the output template
4919 and attribute assignments to handle three operand dmult;
4920 rename to muldi3_internal2.
4921 (muldi3): Call the new muldi3_internal2 for R4000, and
4922 any GENERATE_MULT3 chip.
4924 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
4926 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
4928 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
4930 * unroll.c (find_splittable_givs): Remove last change. Handle givs
4931 with a dest_reg that was created by loop.
4933 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
4935 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
4937 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
4939 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
4941 * configure.in: Fix NCR entries.
4943 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
4945 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
4946 nested exceptions correctly.
4948 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
4949 that was created by loop.
4951 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
4953 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
4955 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
4957 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
4959 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
4960 (print_operand): Use SMALL_DATA_REG for the register involved in
4961 small data relocations.
4962 (print_operand_address): Ditto.
4964 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
4965 -dynamic linker is not used.
4967 * rs6000.md (call insns): For local calls, use @local suffix under
4968 System V. Don't use @plt under Solaris.
4970 * rs6000.c (output_function_profiler): Put label address in r0, and
4971 store LR in 4(sp) for System V/eabi.
4973 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
4974 byte boundary, and maintain stack backchain.
4976 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
4978 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
4979 fix_truncsfdi2): Change *.
4981 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
4983 * toplev.c (main): Complain about -gdwarfn.
4985 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
4987 * dwarfout.c (output_type): If finalizing, write out nested types
4988 of types we've already written.
4990 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
4992 (patches originally from Geoffrey Keating)
4993 * rs6000.c (function_arg): Excess floating point arguments don't
4994 go into GPR registers after exhausting FP registers under the
4996 (function_arg_partial_nregs): Ditto.
4998 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
5001 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
5003 * integrate.c (output_inline_function): Just unset DECL_INLINE.
5005 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
5007 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
5010 * libgcc2.c (__throw): Initialize HANDLER.
5012 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
5014 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
5015 fix_truncsfdi2): Change *X to ?*X.
5017 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
5019 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
5021 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
5023 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
5025 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
5027 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
5029 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
5031 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
5032 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
5035 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
5037 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
5038 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
5039 gas and not using the new HP assembler.
5041 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
5043 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
5044 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
5046 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
5048 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
5049 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
5052 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
5054 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
5056 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
5058 * except.h: Add outer_context_label_stack.
5059 * except.c: Likewise.
5060 (expand_start_all_catch): Push the outer_context for the try block
5061 onto outer_context_label_stack.
5062 (expand_end_all_catch): Use it and pop it.
5064 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
5066 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
5068 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
5070 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
5072 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
5074 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
5075 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
5077 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
5079 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
5080 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
5081 __builtin_delete, and __builtin_vec_delete.
5083 * except.c (output_exception_table): Don't bother with
5086 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
5088 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
5089 is an in/out operand.
5090 (zero extended variants of stwm/stwm patterns): Similarly.
5092 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
5094 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
5096 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
5098 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
5099 (output_call_frame_info): Emit a \n after using it.
5101 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
5103 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
5105 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
5107 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
5108 (ASM_OUTPUT_DWARF_VALUE4): New macro.
5109 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
5111 (output_call_frame_info): Do not output forward label differences
5112 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
5113 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
5115 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5117 * sh.md (attribute "type"): Add nil.
5118 (movsi_ie): y/y alternative is type nil.
5119 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
5121 (movsf_ie+1): Delete.
5123 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
5125 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
5126 large_int, emit two insns instead of one splitable insn.
5127 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
5128 from cfa_temp_value, use cfa_offset. Add assert checking that
5131 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
5133 * cccp.c (deps_output): Properly quote file names for make.
5135 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
5137 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
5139 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
5141 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
5143 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
5145 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
5147 (cse_end_of_basic_block): Similarly.
5149 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
5151 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
5152 (SELECT_RTX_SECTION): Define.
5153 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
5155 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
5157 * Makefile.in (compare, compare-lean): Define $stage for each
5159 (gnucompare, gnucompare-lean): Likewise.
5161 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
5163 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
5165 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
5166 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
5168 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
5170 * dwarfout.c (byte_size_attribute): Add local var upper_bound
5171 and add case to handle STRING_TYPE.
5172 * dwarfout.c (output_string_type_die): Fix code to generate
5173 correct string length attribute for fixed length strings.
5174 Still needs support for varying length strings.
5176 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
5178 * toplev.c (get_run_time): Do something sensible for cygwin32.
5180 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
5182 * expr.c (expand_builtin_setjmp): Set
5183 current_function_has_nonlocal_label.
5184 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
5185 call-saved registers across calls.
5187 * alpha.md (exception_receiver): Remove.
5188 (nonlocal_goto_receiver_osf): New
5189 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
5190 (nonlocal_goto_receiver): New, select _osf or _vms.
5192 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
5193 keep them from being propogated to the object file.
5194 (alpha_write_linkage): Likewise.
5195 * alpha.md (call_vms): Likewise.
5196 (call_value_vms): Likewise.
5197 (unnamed osf call insns): Likewise.
5199 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
5200 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
5202 * alpha.c (call_operand): Any reg is valid for WinNT.
5203 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
5204 (anon nt calls): Add 'R' alternative.
5205 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
5206 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
5208 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
5210 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
5212 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
5213 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
5214 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
5216 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
5218 * reload1.c (new_spill_reg): Improve fixed or forbidden register
5219 spill error message.
5221 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5223 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
5224 use varargs.h. Wrap header with <>, not "".
5226 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
5228 * integrate.c (save_for_inline_copying): Add return value from
5231 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
5233 * fixincludes: Be a little more restrictive on what we will
5234 substitute to replace definitions of MAXINT for HPUX.
5236 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
5238 * dbxout.c (dbxout_symbol_location): Don't assume that variables
5239 whose address is the stack or argument pointers are indirect
5242 1997-11-13 Paul Eggert <eggert@twinsun.com>
5244 * cccp.c, cpplib.c (compare_defs):
5245 Don't complain about arg name respellings unless pedantic.
5246 * cpplib.c (compare_defs): Accept pfile as new arg.
5247 All callers changed.
5249 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5251 * fold-const.c (fold_truthop): Fix bug in last change.
5253 1997-11-13 Paul Eggert <eggert@twinsun.com>
5255 Fix some confusion with IEEE minus zero.
5257 * real.h (REAL_VALUES_IDENTICAL): New macro.
5259 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
5260 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
5262 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
5263 same tree structure as 0.0.
5265 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
5266 macro instead of doing it by hand.
5268 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
5270 * v850/lib1funcs.asm: Minor whitespace changes.
5271 * v850.c: Fix minor formatting problems in many places.
5272 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
5274 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
5276 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
5277 xplus1 when xplus0 is not a register.
5279 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
5281 * flow.c (find_basic_blocks): During marking phase, if we encounter
5282 an insn with a REG_LABEL note, make the target block live and
5283 create an edge from the insn to the target block. Do not make
5284 edges from all blocks to the target block.
5286 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
5288 * confiugre.in: Tweak NCR entries.
5289 * configure: Rebuilt.
5291 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
5293 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
5294 pick apart floating point values, instead of using CONST_DOUBLE_LOW
5295 and CONST_DOUBLE_HIGH.
5297 * rs6000.md (define_splits for DF constants): Use the appropriate
5298 REAL_VALUE_* interface to pick apart DF floating point constants in
5299 a machine independent fashion.
5301 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5303 * fold-const.c (fold_truthop): When changing a one-bit comparison
5304 against zero into a comparison against mask, do a proper sign
5307 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
5309 * except.c: Do not include "assert.h".
5310 (save_eh_status): Turn asserts into conditional aborts.
5311 (restore_eh_status, scan_region): Likewise.
5312 * dwarfout.c: Do not include "assert.h".
5313 (bit_offset_attribute): Turn asserts into conditional aborts.
5314 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
5315 (output_inlined_structure_type_die): Likewise.
5316 (output_inlined_union_type_die): Likewise
5317 (output_tagged_type_instantiation): Likewise.
5318 (dwarfout_file_scope_decl): Likewise.
5319 * dwarf2out.c: Do not include "assert.h"
5320 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
5321 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
5322 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
5323 (add_bit_size_attribute, scope_die_for): Likewise.
5324 (output_pending_types_for_scope): Likewise.
5325 (get_inlined_enumeration_type_die): Likewise.
5326 (get_inlined_structure_type_die): Likewise.
5327 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
5328 (gen_tagged_type_instantiation_die): Likewise.
5330 * flow.c (find_basic_blocks): Refine further to get a more correct
5331 cfg, especially in the presense of exception handling, computed
5332 gotos, and other non-trivial cases. Call abort if an inaccuracy
5333 is detected in the cfg.
5335 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5337 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
5339 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
5340 (skip_white_space): Use whitespace_cr.
5341 (check_newline): Handle whitespace more consistently.
5343 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
5345 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
5346 * i386/xm-cygwin32.h (POSIX): Define.
5348 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
5350 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
5351 is available elsewhere.
5353 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
5355 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
5356 what the instruction can handle.
5358 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
5360 * stmt.c (expand_decl_cleanup_no_eh): New fn.
5362 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
5364 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
5366 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
5367 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
5369 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
5371 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
5372 swap instruction order.
5374 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
5376 * fixinc.svr4 (__STDC__): Add another case.
5378 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5380 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
5381 addresses in the epilogue delay slot.
5383 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
5385 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
5386 in generated `specs' file.
5388 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
5390 * flags.h (flag_rerun_loop_opt): Declare.
5391 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
5392 * toplev.c (flag_rerum_loop_opt): Delete static.
5394 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5396 Bring over from FSF:
5398 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5400 * va-sh.h (__va_arg_sh1): Define.
5402 SH3E doesn't use any integer registers for subsequent arguments
5403 once a non-float value was passed in the stack.
5404 * sh.c (machine_dependent_reorg): If optimizing, put explicit
5405 alignment in front label for ADDR_DIFF_VEC.
5406 * sh.h (PASS_IN_REG_P): Fix SH3E case.
5407 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
5409 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5411 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
5414 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5416 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
5417 put an use_sfunc_addr before each sfunc.
5418 * sh.md (use_sfunc_addr, dummy_jump): New insns.
5419 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
5421 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5423 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
5425 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
5427 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
5430 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
5432 * alias.c (find_base_value): Only return the known base value for
5435 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
5437 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
5438 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
5440 (prologue_get_pc_and_set_got): New pattern.
5442 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
5444 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
5445 for SUBREG, just fall through.
5447 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
5449 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
5451 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
5453 * fixincludes: Fix "hypot" prototype in NeXT math.h.
5455 * Makefile.in (USE_ALLOCA): Always include alloca.o.
5456 (USE_HOST_ALLOCA): Likewise.
5458 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
5459 and LABEL_REFS fields.
5460 * rtl.h (LABEL_REFS): Update.
5462 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
5464 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
5465 sets i2dest. When calling distribute_notes for i3dest_killed, pass
5466 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
5469 * mips.md (insv, extzv, extv): Add change_address call.
5470 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
5472 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
5474 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
5476 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
5477 save_restore_insns if no FP and GP will be restored.
5479 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
5480 Convert CCmode to word_mode before calling GET_MODE_SIZE.
5482 * acconfig.h (HAVE_INTTYPES_H): Undef.
5483 * configure.in (inttypes.h): Check for conflicts between sys/types.h
5484 and inttypes.h, and verify that intmax_t is defined.
5485 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
5486 * config/mips/x-iris3: Likewise.
5488 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
5490 * alias.c (find_base_value): When copying arguments, return the
5491 tenative value for a hard register.
5493 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
5495 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
5496 (yylex): Record wide strings using target endianness, not host.
5498 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
5500 * mn10200.h (ASM_OUTPUT_BSS): Delete.
5501 (ASM_OUTPUT_ALIGNED_BSS): New macro
5502 * mn10300.h (ASM_OUTPUT_BSS): Delete.
5503 (ASM_OUTPUT_ALIGNED_BSS): New macro.
5504 * v850.h (ASM_OUTPUT_BSS): Delete.
5505 (ASM_OUTPUT_ALIGNED_BSS): New macro.
5507 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5509 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
5511 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
5513 * configure.in (sco5): Use cpio to install header files.
5515 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
5517 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
5519 * configure: Rebuild.
5521 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
5523 * i386/sco5.h: enable -gstabs once again.
5525 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
5527 * arm.c (output_move_double): Allocate 3 entries in otherops array.
5529 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
5531 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
5532 notes for sjlj exceptions too.
5533 (expand_eh_region_end): Similarly for EH_REGION_END notes.
5534 (exception_optimize): Optimize EH regions for sjlj exceptions too.
5535 * final.c (final_scan_insn): Don't output labels for EH REGION
5536 notes if doing sjlj exceptions.
5538 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
5540 * alias.c (init_alias_analysis): Handle -fno-alias-check when
5541 optimizing correctly.
5543 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
5544 or set current_function_calls_setjmp anymore.
5546 * flow.c (find_basic_blocks): If we delete the label for an
5547 exception handler, remove it from the EH label list and remove
5548 the EH_BEGIN/EH_END notes for that EH region.
5550 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
5552 * flow.c (find_basic_blocks): Generate correct flow control
5553 information when exception handling notes are present.
5555 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
5557 * dwarf2out.c (output_call_frame_info): Fix length argument
5558 to ASM_OUTPUT_ASCII.
5559 (output_die, output_pubnames, output_line_info): Likewise.
5561 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
5563 * version.c: Bump for snapshot.
5565 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
5566 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
5567 flag_debug_asm is on.
5568 (output_die, output_pubnames, output_line_info): Likewise.
5570 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
5571 and static_chain_rtx into the potential base values array if
5574 * alias.c (new_reg_base_value): New array of potential base values.
5575 (unique_id): Now file scoped static.
5576 (find_base_value, case REG): Return the value in reg_base_value
5577 array for the REG if it exists. Else, return the value from
5578 new_reg_base_value if copying args and REG is a hard register.
5579 (find_base_value, case PLUS): If either operand of the PLUS is
5580 a REG, try to get its base value. Handle base + index and
5582 (record_set): Use new_reg_base_value instead of reg_base_value.
5583 (init_alias_analysis): Allocate space for new_reg_base_value too.
5584 Rework code to iterate over the insns propagating base value
5585 information until nothing changes.
5587 * global.c (global_alloc): Free the conflict matrix after
5588 reload has finished.
5590 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
5592 * libgcc2.c (L_eh): Define __eh_pc.
5593 Replace __eh_type with generic pointer __eh_info.
5595 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
5597 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
5598 use copy_to_reg if address is not a general_operand.
5600 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5602 * profile.c (output_func_start_profiler): Clear flag_inline_functions
5603 for the duration of the call to rest_of_compilation.
5605 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
5607 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
5609 (sparc*-*-*): Recognize --with-cpu=v9.
5610 * sparc/elf.h: New file.
5611 * sparc/t-elf: New file.
5613 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
5615 * mn10300.c (const_8bit_operand): New function.
5616 (mask_ok_for_mem_btst): New funtion.
5617 * mn10300.md (btst patterns with mem operands): Use new functions
5618 to avoid creating btst instructions with invalid operands.
5620 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
5622 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
5623 are running on PowerPC Linux.
5625 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
5627 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
5628 if not previously defined.
5630 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
5632 * function.c (assign_parms): Correct mode of stack_parm if
5633 entry_parm underwent a mode conversion.
5635 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
5637 * global.c (global_alloc): Use xmalloc instead of alloca for
5638 CONFLICTS, since max_allocno * allocno_row_words alone can be more
5639 than 2.5Mb sometimes.
5641 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
5643 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
5644 DEST for the spill, adjust mode of SRC to compensate.
5646 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
5648 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
5649 since any_memory_operand() allows pseudos during reload.
5650 (reload_inhi, reload_outqi, reload_outhi): Likewise.
5652 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
5654 * m68k.md (btst patterns): Add 5200 support.
5656 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
5658 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
5659 optimizations, look inside dividend to determine if the expression
5660 can be simplified by using EXACT_DIV_EXPR.
5662 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
5665 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
5667 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
5669 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
5671 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
5673 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
5676 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
5678 * alpha.md (movqi, movhi): Make sure new insns created during reload
5679 won't need reloading themselves.
5680 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
5682 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
5684 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
5686 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
5688 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
5689 Patch from Klaus Kaempf <kkaempf@progis.de>.
5691 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
5693 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
5694 to an element in a constant string.
5696 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
5698 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
5699 bit PC-relative offset. The exception range table pointer is now in
5701 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
5702 (count_fdes, add_fdes, get_cie): Adjust.
5703 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
5706 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
5708 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
5710 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
5711 like stack_pointer_rtx.
5713 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
5715 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
5716 targets using "$@" to provide support for similar but not identical
5717 targets without having to duplicate code.
5718 (bootstrap4): New goal.
5720 * Makefile.in (compare, compare-lean, compare3): Combined to one
5721 ruleset determining actions to be performed via $@.
5722 (compare4, compare4-lean): New targets.
5723 (gnucompare, gnucompare3): Combined to one ruleset determining
5724 actions to be performed via $@. Also, note which files failed
5725 the comparison test in .bad_compare.
5726 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
5728 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
5730 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
5731 if the dividend is a multiple of the divisor.
5733 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
5735 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
5737 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
5740 * alias.c (true_dependence): Fix typo.
5742 * toplev.c (flag_rerun_loop_opt): New variable.
5743 (f_options): Handle -frerun-loop-opt.
5744 (rest_of_compilation): If -frerun-loop-opt, then run the loop
5746 (main): Enable -frerun-loop-opt by default for -O2 or greater.
5748 * loop.c (simplify_giv_expr): Adding two invariants results
5751 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
5753 * expr.c (get_inner_reference): Remove the array bias after
5754 converting the index to Pmode.
5756 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
5758 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
5759 (TARGET_MULT_BUG): Define.
5760 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
5761 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
5763 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
5765 * mn10200.c (indirect_memory_operand): Delete unused function.
5766 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
5767 * mn10200.md (bset, bclr insns): Handle output in a reg too.
5769 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
5771 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
5772 the callee's ldgp, we must do it ourselves, and we use the jsr tag
5773 for more than scheduling.
5775 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
5777 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
5779 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
5781 * mn10300.c (symbolic_operand, legitimize_address): New functions.
5782 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
5783 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
5785 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
5787 * version.c: Bump for snapshot.
5789 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5791 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
5794 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
5796 * toplev.c (flag_exceptions): Default value is 2.
5797 (compile_file): If flag_exceptions still has the value 2, then
5800 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
5801 (rs6000_save_machine_status): Save pic_offset_table_rtx.
5802 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
5804 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
5807 * rs6000.md (*movsi_got_internal_mem): New pattern.
5808 (*movsi_got_internal_mem splitter): New define_split.
5810 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
5812 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
5814 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
5816 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
5817 only need to save LR.
5819 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
5821 * mn10300.md (movqi, movhi): Avoid using address registers as
5822 destinations unless absolutely necessary.
5824 * mn10200.c (expand_prologue): Fix typo.
5826 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
5828 * mn10200.md (neghi2): Provide an alternative which works if
5829 the input and output register are the same.
5831 * mn10300.c (print_operand): Handle 'S'.
5832 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
5833 shift amount in last alternative
5835 * mn10300.c (expand_epilogue): Rework to handle register restores
5836 in "ret" and "retf" instructions correctly.
5838 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
5840 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
5841 extzv for memory operands.
5843 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
5844 redundant conditional moves to single operand.
5846 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
5848 * v850.h: Move define of __v850__ from CPP_PREDEFINES
5851 * xm-v850.h: Use __v850 rather than __v850__ to
5854 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
5856 * mips/mips.c (compute_frame_size): Not a leaf function if
5859 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
5861 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
5863 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
5865 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
5866 (DEFAULT_ARCH32_P): New macro.
5867 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
5868 (enum cmodel): Declare.
5869 (sparc_cmodel_string,sparc_cmodel): Declare.
5870 (SPARC_DEFAULT_CMODEL): Provide default.
5871 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
5872 (TARGET_FULLANY): Deleted.
5873 (TARGET_CM_MEDMID): New macro.
5874 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
5875 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
5876 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
5877 (CPP_SPEC): Rewrite.
5878 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
5879 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
5880 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
5881 (ASM_SPEC): Add %(asm_arch).
5882 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
5883 Rename asm_default to asm_cpu_default.
5884 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
5885 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
5886 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
5887 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
5888 (MASK_INT64,MASK_LONG64): Delete.
5889 (MASK_ARCH64): Renamed to MASK_64BIT.
5890 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
5891 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
5892 (TARGET_SWITCHES): Always provide 64 bit options.
5893 (ARCH64_SWITCHES): Delete.
5894 (TARGET_OPTIONS): New option -mcmodel=.
5895 (INT_TYPE_SIZE): Always 32.
5896 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
5897 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
5898 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
5899 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
5900 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
5902 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
5903 * sparc/linux.h: Likewise.
5904 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
5905 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
5906 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
5907 (SPARC_DEFAULT_CMODEL): Define.
5908 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
5909 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
5910 (LONG_DOUBLE_TYPE_SIZE): Define.
5911 (ASM_SPEC): Add %(asm_arch).
5912 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
5913 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
5914 (TARGET_CPU_DEFAULT): Add ultrasparc case.
5915 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
5916 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
5917 (SPARC_DEFAULT_CMODEL): Define.
5918 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
5919 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
5920 MASK_LONG64, MASK_MEDANY.
5921 (SPARC_DEFAULT_CMODEL): Define.
5922 (CPP_PREDEFINES): Delete.
5923 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
5924 (ASM_SPEC): Add %(asm_arch).
5925 (LONG_DOUBLE_TYPE_SIZE): Define.
5926 (DWARF2_DEBUGGING_INFO): Define.
5927 * sparc/splet.h (CPP_SPEC): Delete.
5928 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
5929 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
5930 (BLOCK_PROFILER): Likewise.
5931 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
5932 (sparc_override_options): Handle code model selection.
5933 (sparc_init_expanders): Renamed from sparc64_init_expanders.
5934 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
5935 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
5936 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
5937 (sethi_di_fullany): Delete.
5939 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
5940 Jeff Law <law@cygnus.com>
5941 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5943 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
5944 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
5945 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
5946 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
5947 * alpha/alpha.md (arg_home): Likewise.
5949 * alpha/alpha.c (vmskrunch): Delete
5950 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
5951 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
5952 truncate to 64 characters.
5954 * make-l2.com: Support openVMS/Alpha.
5956 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
5958 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5960 * longlong.h (count_leading_zeros): Add missing casts to USItype.
5962 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
5964 * i386/bsd386.h (ASM_COMMENT_START): Define.
5966 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
5968 * tree.c (restore_tree_status): Also free up temporary storage
5969 when we finish a toplevel function.
5970 (dump_tree_statistics): Print stats for backend obstacks.
5972 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
5974 * expr.c (use_group_regs): Don't call use_reg for MEMs.
5976 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
5978 * libgcc2.c (__throw): Don't copy the return address.
5979 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
5981 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
5982 * toplev.c (main): Initialize exceptions_via_longjmp.
5984 * tree.c: Add extra_inline_obstacks.
5985 (save_tree_status): Use it.
5986 (restore_tree_status): If this is a toplevel inline obstack and we
5987 didn't want to save anything on it, recycle it.
5988 (print_inline_obstack_statistics): New fn.
5989 * function.c (pop_function_context_from): Pass context to
5990 restore_tree_status.
5991 * obstack.h (obstack_empty_p): New macro.
5993 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
5995 * i386/freebsd.h (ASM_COMMENT_START): Fix.
5997 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
5999 * v850.c (ep_memory_offset): New function.
6000 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
6002 * v850.h (CONST_OK_FOR_*): Add and correct comments.
6003 (CONSTANT_ADDRESS_P): Add comment.
6004 (EXTRA_CONSTRAINT): Define 'U'.
6005 * v850.md: Add comments on bit field instructions.
6006 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
6007 (lshrsi3): Use N not J constraint.
6009 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
6011 * v850.c (reg_or_0_operand): Call register_operand.
6012 (reg_or_int5_operand): Likewise.
6013 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
6014 (TARGET_SWITCHES): Add "big-switch".
6015 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
6016 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
6017 (CASE_DROPS_THROUGH): Comment out.
6018 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
6019 * v850.md (cmpsi): Delete compare mode.
6020 (casesi): New pattern.
6022 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
6023 * v850.md (ashlsi3): Use SImode not QImode for shift count.
6024 (lshrsi3): Likewise.
6026 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
6027 unreachable switch statement after 'b' support. Remove "b" from
6028 strings for 'b' support.
6029 * v850.md (branch_normal, branch_invert): Change %b to b%b.
6031 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
6033 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
6034 empty line if @inhibit_libc@ is empty.
6036 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
6038 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
6039 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
6040 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
6041 (DWARF2_UNWIND_INFO): Let this track object file format.
6042 (EXTRA_SECTIONS): Add in_eh.
6043 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
6044 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
6046 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
6048 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
6049 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
6051 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
6052 (output_double_int): Output DI mode values correctly when
6053 HOST_BITS_PER_WIDE_INT is 64.
6054 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
6055 fmovd so it works if a quad float ends up in one of the upper 32
6057 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
6058 necessary for PIC support on sparc64.
6060 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
6062 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
6063 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
6064 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
6065 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
6066 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
6067 (SPARC_FP_ARG_FIRST): New macro.
6068 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
6069 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
6070 (NPARM_REGS): There are 32 fp argument registers now.
6071 (FUNCTION_ARG_REGNO_P): Likewise.
6072 (FIRST_PARM_OFFSET): Update to new v9 abi.
6073 (REG_PARM_STACK_SPACE): Define for arch64.
6074 (enum sparc_arg_class): Delete.
6075 (sparc_arg_count,sparc_n_named_args): Delete.
6076 (struct sparc_args): Redefine and use for arch32 as well as arch64.
6077 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
6078 (FUNCTION_ARG_ADVANCE): Rewrite.
6079 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
6080 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
6081 (FUNCTION_ARG_CALLEE_COPIES): Delete.
6082 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
6083 (STRICT_ARGUMENT_NAMING): Define.
6084 (doublemove_string): Declare.
6085 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
6086 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
6087 (doublemove_string): New function.
6088 (output_move_quad): Clean up some of the arch64 support.
6089 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
6090 Don't add 8 bytes of reserved space if arch64.
6091 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
6092 (init_cumulative_args): New function.
6093 (function_arg_slotno): New static function.
6094 (function_arg,function_arg_partial_nregs): New functions.
6095 (function_arg_{pass_by_reference,advance}): New functions.
6096 (function_arg_padding): New function.
6097 * ginclude/va-sparc.h: Rewrite v9 support.
6099 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
6101 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
6102 for hard regs to determine base and index registers.
6104 * reload.c (debug_reload_to_stream): New function. Specify stream
6105 into which to write debug info.
6106 (debug_reload): Modify to call debug_reload_to_stream with stderr.
6108 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
6110 * combine.c (can_combine_p): Don't combine with an asm whose
6111 output is a hard register.
6113 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
6115 * c-decl.c (start_struct): Ensure that structs with forward
6116 declarations are in fact packed when -fpack-struct is given.
6118 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
6119 we are packing a structure. This allows a structure with only
6120 bytes to be aligned on a byte boundary and have no padding on a
6123 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6125 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
6127 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
6129 * alpha.c (alpha_return_addr_rtx): New variable.
6130 (alpha_save_machine_status): New; save it.
6131 (alpha_restore_machine_status): New; restore it.
6132 (alpha_init_expanders): New; clear it.
6133 (alpha_return_addr): New; set it.
6134 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
6135 is overly conservative, so search the insns explicitly.
6136 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
6137 (alpha_sa_size [VMS && !VMS]): Likewise.
6138 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
6139 (INIT_EXPANDERS): New definition.
6141 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
6142 (output_prolog [!VMS]): Use them.
6144 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
6145 (alpha_does_function_need_gp): ... a new function. Refine the
6146 CALL_INSN test to just TYPE_JSR.
6147 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
6149 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
6151 * version.c: Bump for snapshot.
6153 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6155 * pa.c (move_operand): Respect -mdisable-indexing.
6156 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
6158 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
6160 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
6162 (umulsidi3,umulsi3_highpart): Ditto.
6163 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
6165 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
6167 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
6168 (alpha_handle_trap_shadows): ... a new function. Handle the entire
6169 function in one go. Emit RTL for trapb, instead of printf directly.
6170 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
6171 (trap_pending): Kill global variable.
6172 (output_epilog): Don't call final_prescan_insn.
6173 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
6174 * alpha.h (FINAL_PRESCAN_INSN): Remove.
6175 (MACHINE_DEPENENT_REORG): Define.
6176 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
6179 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
6181 Tune Haifa scheduler for Alpha:
6182 * alpha.h (ISSUE_RATE): Define.
6183 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
6184 EV4 adjustments to EV5.
6185 * alpha.md: Remove all scaling from function unit delays. Rework
6186 EV5 function units to match the CPU.
6187 (umuldi3_highpart): EV5 added the IMULH insn class.
6189 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
6191 * pa.c (following_call): Fail if the CALL_INSN is an indirect
6194 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
6196 * cplus-dem.c (demangle_signature): Don't look for return types on
6197 constructors. Handle member template constructors.
6199 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
6201 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
6202 * tree.h: Declare them.
6204 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
6206 * configure.in: Handle --with-newlib.
6207 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
6209 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
6211 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
6213 * config/ptx4.h: Fix typo.
6215 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
6217 * version.c: Bump for snapshot.
6219 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
6221 * aclocal.m4: Substitute INSTALL.
6222 * configure: Re-built.
6224 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
6226 * integrate.c (save_for_inline_copying): Avoid undefined pointer
6228 (expand_inline_function): Likewise.
6230 * dwarf2out.c (output_call_frame_info): Reinstate last change
6231 using flag_debug_asm check instead of flag_verbose_asm.
6233 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
6235 * dwarf2out.c (output_call_frame_info): Remove last change.
6237 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6239 * frame.c (__frame_state_for): Execute the FDE insns until the
6240 current pc value is strictly bigger than the target pc value.
6242 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
6244 * regclass.c (init_reg_modes): If we can't find a mode for the
6245 register, use the previous one.
6247 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
6249 * haifa-sched.c (print_block_visualization): Call fprintf directly,
6250 don't sprintf through an alloca'ed buffer.
6252 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
6254 * reload.c (decompose): Always initialize val.base.
6256 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
6258 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
6259 instead of aborting.
6260 * dwarf2out.c (output_call_frame_info): Call app_enable and
6261 app_disable to let GNU as accept the generated comments.
6263 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
6265 * tree.h (get_file_function_name): Add declaration.
6266 * dwarf2out.c (output_call_frame_info): No need to cast
6267 get_file_function_name call anymore.
6268 * profile.c (toplevel): Remove get_file_function_name
6270 * c-lang.c (finish_file): Ditto.
6272 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
6274 * Makefile.in (program_transform_name): Let autoconf substitute
6277 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
6279 * haifa-sched.c (schedule_block): If the first real insn in a
6280 block has any special notes attached to it, remove them.
6282 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
6284 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
6286 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
6288 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
6290 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
6292 * Makefile.in (check-g77): New test target.
6293 (CHECK-TARGETS): Add check-g77.
6295 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
6297 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
6299 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
6301 * flow.c (print_rtl_with_bb): Cast alloca return value for
6304 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
6306 * i386.h (RETURN_ADDR_RTX): New definition that works for
6307 __builtin_return_address(0) and -fomit-frame-pointer.
6309 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
6311 Bring over from FSF.
6312 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
6314 * mips.c (function_arg): Handle passing a struct
6315 containing a double in a DFmode register without the PARALLEL.
6317 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
6319 * pexecute.c: Use spawn if __CYGWIN32__.
6321 * pexecute.c: Include "config.h" first, as per autoconf manual
6322 (from Paul Eggert <eggert@twinsun.com>).
6324 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
6326 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
6327 optimisation for f/expr.o and f/stb.o.
6329 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
6331 * cse.c (this_insn_cc0_mode): Initialize.
6333 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
6335 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
6337 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
6339 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
6341 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
6342 that pair will dual-issue on the 21164 and plus+beq won't.
6343 (bne): Likewise for cmpeq+beq.
6345 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
6347 * except.c (find_exception_handler_labels): Correct argument to free.
6349 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
6351 * except.c (find_exception_handler_labels): Free LABELS when we're
6354 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
6356 * version.c: Bump for snapshot.
6358 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
6360 * flow.c (find_basic_blocks): Mark calls as potentially jumping
6363 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
6365 * configure.in: Substitute for "install" too.
6366 * configure: Rebuilt.
6368 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
6370 * Makefile.in (bootstrap-lean, compare-lean): New targets.
6372 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
6374 * alias.c (base_alias_check): Two symbols can conflict if they
6375 are accessed via AND.
6376 (memrefs_conflict_p): Likewise.
6378 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
6379 after flushing argument registers to the stack.
6381 * Makefile.in (mostlyclean): Remove .regmove files.
6383 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
6385 * libgcc2.c (__throw): Fix thinko.
6387 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
6389 * cplus-dem.c (demangle_template): Add new parameter. Handle new
6390 template-function mangling.
6391 (consume_count_with_underscores): New function.
6392 (demangle_signature): Handle new name-mangling scheme.
6394 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
6396 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
6399 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
6401 * frame.c: Remove last change.
6402 * dwarf2.h: Remove last change.
6403 * tree.h: Add declarations of DWARF2 unwind info support
6406 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
6408 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
6409 * tree.h (built_in_function): Likewise.
6410 * expr.c (expand_builtin): Likewise.
6411 * except.h: Likewise.
6412 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
6413 * libgcc2.c (copy_reg): New fn.
6416 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
6418 * c-typeck.c (build_binary_op): Warn about comparing signed vs
6419 unsigned if -W is specified and -Wno-sign-compare is not.
6420 * c-decl.c (warn_sign_compare): Initialize to -1.
6421 (c_decode_option): -Wall no longer implies -Wsign-compare.
6423 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6425 * frame.c: Include gansidecl.h for PROTO.
6426 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
6427 defined. Don't declare dwarf2out_cfi_label here.
6428 * dwarf2.h: Add declarations of DWARF2 unwind info support
6430 * m68k.c: Include dwarf2.h.
6431 (output_function_prologue): Add dwarf2 support.
6432 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
6433 (INCOMING_FRAME_SP_OFFSET): Likewise.
6435 * integrate.c (expand_inline_function): Make sure there is at
6436 least one insn that can be used as an insertion point.
6438 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
6440 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
6442 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
6444 * version.c: Bump for snapshot.
6446 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
6448 Bring over from FSF.
6450 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
6452 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
6453 (get_pc_via_rdpc): Renamed from get_pc_sp64.
6454 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
6456 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
6458 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
6459 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
6461 (sparc_align_{loops,jumps,funcs}_string): Declare.
6462 (sparc_align_{loops,jumps,funcs}): Declare.
6463 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
6464 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
6465 (STACK_BIAS): Define.
6466 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
6468 (SPARC_SETHI_P): New macro.
6469 (CONST_OK_FOR_LETTER_P): Use it.
6470 (ASM_OUTPUT_ALIGN_CODE): Define.
6471 (ASM_OUTPUT_LOOP_ALIGN): Define.
6472 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
6473 (sparc_align_{loops,jumps,funcs}): New globals.
6474 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
6476 (move_operand): Use SPARC_SETHI_P.
6477 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
6479 (arith11_double_operand): Likewise.
6480 (arith10_double_operand): Likewise.
6481 (finalize_pic): Finish sparc64 support.
6482 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
6483 64 bit constants if able.
6484 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
6485 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
6487 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
6488 (get_pc_sp32): Use for sparc64 as well.
6489 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
6490 (sethi_di_sp64_const): Likewise.
6491 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
6492 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
6493 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
6495 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
6497 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
6498 * sparc/linux.h (COMMENT_BEGIN): Likewise.
6499 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
6501 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
6503 Add sparc64 linux support.
6504 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
6505 to xm_file list on 32-bit sparc-linux.
6506 * sparc/xm-sp64.h: New file.
6507 * sparc/linux64.h: New file.
6508 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
6509 Don't include xm-sparc.h.
6510 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
6511 * glimits.h (LONG_MAX): Handle sparc64.
6513 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
6515 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
6516 * sparc.h (ASM_COMMENT_START): Define.
6517 * sparc.c (output_function_prologue): Use it.
6518 (sparc_flat_output_function_{epi,pro}logue): Likewise.
6520 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
6522 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
6523 use sparc.h's copies.
6524 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
6527 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6529 * sparc.c (dwarf2out_cfi_label): Add declaration.
6530 (save_regs, output_function_prologue): Remove cast for it.
6531 (sparc_flat_{save_restore,output_function_prologue): Likewise.
6532 ({save,restore}_regs): No longer inline.
6534 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6536 * fold-const.c (make_range): Correctly handle cases of converting
6537 from unsigned to signed type.
6539 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6541 * fold-const.c (merge_ranges): Make sure that if one range is subset
6542 of another, it will always be the second range. Correct (+,-) case to
6545 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
6547 * final.c (final_end_function): Also do dwarf2 thing if
6548 DWARF2_DEBUGGING_INFO.
6549 (final_start_function): Likewise.
6551 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
6553 * expmed.c (expand_divmod): If compute_mode is not the same as
6554 mode, handle the case where convert_modes() causes op1 to no
6555 longer be a CONST_INT.
6557 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
6558 note holding get_jump_flags() calculation to all JUMP_INSNs.
6559 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
6560 * rtl.c (reg_note_name): Add new note types.
6562 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
6564 * rtlanal.c (computed_jump_p): Fix typo in last change.
6566 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6568 * loop.c (indirect_jump_in_function_p): Return 0
6571 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
6573 * rs6000/xm-rs6000.h: Fix thinko in last change.
6574 * rs6000/xm-sysv4.h: Likewise.
6576 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
6578 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
6580 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
6582 * reg-stack.c (find_blocks): Fix thinko in last change.
6584 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6586 * m68k.c (output_function_prologue): Add dwarf2 support.
6588 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
6589 INCOMING_FRAME_SP_OFFSET): New definitions.
6591 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
6593 * combine.c (try_combine): Use NULL_RTX instead of '0' where
6594 appropriate in calls to gen_rtx().
6595 * cse.c (cse_main): Likewise.
6596 * emit-rtl.c (gen_label_rtx): Likewise.
6597 * expr.c (init_expr_once): Likewise.
6598 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
6599 sched_analyze, init_rgn_data_dependences,
6600 compute_block_backward_dependences): Likewise.
6601 * sched.c (schedule_insns): Likewise.
6602 * varasm.c (immed_double_const): Likewise.
6604 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
6605 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
6607 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
6609 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
6610 (MULTILIB_DEFAULTS): Define.
6611 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
6612 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
6613 (LIBGCC_SPEC): Likewise.
6614 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
6615 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
6616 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
6617 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
6618 (EXTRA_PARTS, TAROUTOPTS): Delete.
6619 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
6620 (MULTILIB_OPTIONS): Define.
6621 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
6622 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
6624 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
6626 * version.c: Bump for snapshot.
6628 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
6630 * loop.c (loop_number): Delete function. Change all references
6631 to use uid_loop_num array.
6632 * loop.h (loop_number): Delete declaration.
6633 * unroll.c (unroll_loop): Change "loop_number" references to
6634 use uid_loop_num instead.
6636 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
6638 (loop_unroll_iter): Remove unused variable and all references.
6639 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
6640 (insert_bct): Fix minor formatting problems.
6641 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
6642 (loop_unroll_iter): Removed unused decl.
6643 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
6644 Always record the unrolling factor.
6646 * cse.c (simplify_relational_operation): Set h0u just like h0s.
6647 Similarly for h1u and h1s.
6649 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
6650 (find_basic_blocks): Use computed_jump_p to determine if a
6651 particular JUMP_INSN is a computed jump.
6652 * reg-stack.c (find_blocks): Use computed_jump_p to determine
6653 if a particular JUMP_INSN is a computed jump.
6654 * rtlanal.c (jmp_uses_reg_or_mem): New function.
6655 (computed_jump_p): Likewise.
6656 * rtl.h (computed_jump_p): Declare.
6657 * genattrtab.c (pc_rtx): Define and initialize.
6658 * loop.c (loop_optimize): Always determine if the current
6659 function has a computed jump.
6660 (indirect_jump_in_function_p): Use computed_jump_p to determine
6661 if a particular JUMP_INSN is a computed jump.
6663 * loop.c (fix_bct_param): Delete unused function.
6664 (check_bct_param): Likewise.
6666 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
6668 * frame.c (__deregister_frame): Check properly for initialized object.
6670 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6672 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
6674 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6676 * jump.c (thread_jumps): check can_reverse_comparison_p before
6677 threading a reversed-condition jump.
6679 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
6680 * haifa-sched.c (update_flow_info): Likewise.
6682 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
6684 * Makefile.in (BOOT_CFLAGS): Use -O2.
6686 * configure.in (strtoul, bsearch): Have autoconf check for these
6688 * configure, config.in: Rebuilt.
6690 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
6691 * mips/mips.h (alloca): Likewise.
6692 * rs6000/xm-rs6000.h (alloca): Likewise.
6693 * rs6000/xm-sysv4.h: Likewise.
6695 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
6697 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
6698 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
6699 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
6701 * except.c (end_eh_unwinder): Subtract 1 from return address.
6702 * libgcc2.c (__throw): Likewise.
6703 (find_exception_handler): Don't change PC here. Compare end with >.
6705 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
6707 * v850.c (compute_register_save_size): Correct register
6709 * v850.md (save_interrupt, return_interrupt): Correct
6711 * v850/lib1funcs.asm (save_interrupt): Correct register number.
6712 (return_interrupt): Use stack pointer, not element pointer.
6714 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
6716 * configure.in, configure: Make sure to create the stage* and include
6717 symbolic links in each subdirectory.
6719 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
6721 * pa.md (reload_peepholes): Don't allow addresses with side
6722 effects for the memory operand.
6724 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
6726 * libgcc2.c (find_exception_handler): Subtract one from our PC when
6727 looking for a handler, to avoid hitting the beginning of the next
6730 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
6732 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
6734 * mips/abi64.h (LONG_MAX_SPEC): Define.
6735 * mips.h (LONG_MAX_SPEC): Define.
6736 (CPP_SPEC): Include long_max_spec.
6737 (EXTRA_SPECS): Include long_max_spec.
6739 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
6741 * v850.c (construct_save_jarl): Fix thinko in last change.
6743 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
6745 * version.c: Bump for snapshot.
6747 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
6749 * libgcc2.c (find_exception_handler): Not found is -1.
6751 * integrate.c (expand_inline_function): Move expand_start_bindings
6752 after expanding the arguments.
6754 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
6756 * expr.c (expand_expr): Remove previous incorrect change.
6757 If target and slot has no DECL_RTL, then call mark_addressable
6758 again for the slot after we give it RTL.
6760 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
6762 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
6763 again for the slot after we give it RTL.
6765 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
6767 * v850.c (register_is_ok_for_epilogue,
6768 pattern_is_ok_for_epilogue, construct_restore_jr,
6769 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
6771 * v850.h (pattern_is_ok_for_prologue,
6772 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
6775 * v850.md: Replace prologue and epilogue patterns with a
6776 match_parallel pattern.
6778 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
6780 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
6781 * configure.in: Use EGCS_PROG_INSTALL.
6783 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
6785 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
6786 extern inline function.
6788 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
6790 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
6791 (concat_loc_descriptor): New function.
6792 (loc_descriptor): Call it.
6793 (add_AT_location_description): Also elide the descriptor if both
6794 halves of a CONCAT are pseudos.
6795 (add_location_or_const_value_attribute): Recognize CONCAT too.
6797 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
6799 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
6801 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
6802 out-or-range reg_offset.
6803 (output_epilog): Likewise.
6805 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
6807 * cse.c (simplify_relational_operation): If MODE specifies a
6808 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
6809 is derived from the sign bit of the low word.
6811 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
6813 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
6815 * dwarf2.h: Add DW_CFA_GNU_args_size.
6816 * frame.c (execute_cfa_insn): Likewise.
6817 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
6818 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
6819 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
6820 insn, hand it off to dwarf2out_stack_adjust.
6821 (dwarf2out_begin_prologue): Initialize args_size.
6822 * frame.h (struct frame_state): Add args_size.
6823 * libgcc2.c (__throw): Use args_size.
6824 * final.c (final_scan_insn): If we push args, hand off all insns
6825 to dwarf2out_frame_debug.
6826 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
6828 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
6829 Handle epilogue restore of SP from FP.
6830 * emit-rtl.c (gen_sequence): Still generate a sequence if the
6831 lone insn has RTX_FRAME_RELATED_P set.
6833 * frame.c (extract_cie_info): Handle "e" augmentation.
6834 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
6835 absence of UNALIGNED_*_ASM_OP.
6836 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
6837 (output_call_frame_info): Use "e" instead of "z" for augmentation.
6838 Don't emit augmentation fields length.
6839 (dwarf2out_do_frame): Move outside of #ifdefs.
6840 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
6843 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
6844 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
6845 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
6846 * sparc/sun4gas.h: New file.
6847 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
6849 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
6850 __register_frame_table and __deregister_frame.
6852 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
6854 * except.c (find_exception_handler_labels): Use xmalloc instead of
6855 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
6858 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
6860 * Makefile.in: Various changes to build info files
6861 in the object tree rather than the source tree.
6863 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
6865 * fixinc.math: New file to fix math.h on some systems.
6866 * configure.in (freebsd, netbsd): Use fixinc.math on these
6868 * configure: Rebuilt.
6870 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
6872 * regmove.c (regmove_optimize): If we end up moving the
6873 original insn due to lifetime overlaps, make sure to move
6876 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
6878 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
6880 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
6882 * haifa-sched.c (add_branch_dependences): Make each insn in
6883 a SCHED_GROUP_P block explicitly depend on the previous insn.
6885 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
6887 * except.h: Prototype dwarf2 hooks.
6890 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
6892 * configure.in (native_prefix): Delete.
6893 (mips-dec-netbsd): Don't set prefix.
6894 (*linux*): Don't set prefix.
6896 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
6898 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
6899 defined. If not defined, include <sys/varargs.h> if
6900 HAVE_SYS_VARARGS_H is defined.
6901 * configure.in: Test for varargs.h and sys/varargs.h.
6902 * configure: Regenerate with autoconf.
6903 * config.in: Regenerate with autoheader.
6905 * cpplib.c (quote_string): Cast first arg of sprintf call
6906 from "unsigned char *" to "char *".
6907 (output_line_command): Ditto.
6908 (macroexpand): Ditto.
6909 (do_line): Cast atoi arg from "unsigned char *" to "char *".
6911 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
6913 * version.c: Bump for snapshot.
6915 * Makefile.in (compare): Exit with nonzero status if there
6916 are comparison failures. Note which files failed the
6917 comparison test in .bad_compare.
6919 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6921 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
6923 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
6925 * Makefile.in (LN, LN_S): New macros, use where appropriate.
6926 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
6927 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
6928 * configure: Regenerated.
6930 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
6932 * loop.c (strength_reduce): Fix typo.
6934 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
6936 * m88k/m88k.c (struct option): Rename to struct options.
6937 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
6938 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
6939 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
6940 __DOLPHIN__ or sysV88.
6942 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
6944 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
6947 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
6949 * config.sub: Accept 'amigados' for backward compatability.
6951 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6953 * Makefile.in (testsuite/site.exp): New target.
6954 (check-gcc, check-g++): Depend on testsuite/site.exp.
6955 Don't stop for failure.
6957 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
6959 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
6960 if DWARF2_UNWIND_INFO.
6962 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
6964 Add support for exception handling using DWARF 2 frame unwind info.
6965 Currently works on SPARC and MIPS, and almost on x86.
6967 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
6968 next_stack_level, in_reg_window): Helper fns.
6969 (__throw): Implement for DWARF2_UNWIND_INFO.
6971 * expr.c (expand_builtin): Handle builtins used by __throw.
6972 * tree.h (enum built_in_function): Add builtins used by __throw.
6973 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
6974 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
6975 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
6976 (expand_builtin_extract_return_addr): Likewise.
6977 (expand_builtin_frob_return_addr): Likewise.
6978 (expand_builtin_set_return_addr_reg): Likewise.
6979 (expand_builtin_eh_stub): Likewise.
6980 (expand_builtin_set_eh_regs): Likewise.
6981 (eh_regs): Choose two call-clobbered registers for passing back values.
6983 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
6984 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
6985 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
6986 (stmp-multilib): Likewise.
6987 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
6989 * except.c: #include "defaults.h".
6990 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
6991 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
6992 (register_exception_table_p): New fn.
6993 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
6994 (end_eh_unwinder): Likewise.
6996 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
6997 call __register_frame and __deregister_frame as needed.
6998 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
6999 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
7000 EH_FRAME_SECTION_ASM_OP.
7001 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
7002 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
7003 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
7005 * dwarf2out.c (output_call_frame_info): If no support for
7006 EXCEPTION_SECTION, mark the start of the frame info with a
7008 * collect2.c (frame_tables): New list.
7009 (is_ctor_dtor): Recognise frame entries.
7010 (scan_prog_file): Likewise.
7011 (main): Pass -fno-exceptions to sub-compile. Also do collection
7012 if there are any frame entries.
7013 (write_c_file_stat): Call __register_frame_table and
7014 __deregister_frame as needed.
7015 (write_c_file_glob): Likewise.
7017 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
7018 Also require unaligned reloc support.
7019 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
7020 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
7021 * sparc/sysv4.h: Not here.
7023 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
7024 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
7025 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
7027 * libgcc2.c (L_eh): Reorganize, moving code shared by different
7028 EH implementations to the top.
7029 (find_exception_handler): Split out. Start from 0. Compare against
7031 (__find_first_exception_table_match): Use it.
7032 * except.c (output_exception_table): Don't do anything if there's
7033 no table. Don't output a first entry of zeroes.
7034 (eh_outer_context): Adjust properly.
7035 (add_eh_table_entry): Use xrealloc.
7036 * toplev.c (compile_file): Just call output_exception_table.
7038 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
7040 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
7042 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
7044 * except.c (eh_outer_context): Do masking using expand_and.
7046 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
7048 Add port done awhile ago for the ARC cpu.
7049 * arc/arc.h: New file.
7050 * arc/arc.c: New file.
7051 * arc/arc.md: New file.
7052 * arc/initfini.c: New file.
7053 * arc/lib1funcs.asm: New file.
7054 * arc/t-arc: New file.
7055 * arc/xm-arc.h: New file.
7056 * ginclude/va-arc.h: New file.
7057 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
7058 * ginclude/varargs.h: Likewise.
7059 * Makefile.in (USER_H): Add va-arc.h.
7060 * configure.in (arc-*-elf*): Recognize.
7061 * longlong.h: Add ARC support.
7063 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
7065 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
7066 when clearing non-BLKmode data.
7068 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
7070 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
7071 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
7073 * xm-m88k.h (USG): Only define if it hasn't already been defined.
7075 * Makefile.in (risky-stage1): Delete gratutious whitespace.
7077 * Makefile.in (clean): Delete libgcc1-test.
7079 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
7081 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
7083 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
7086 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7088 * dwarf2out.c (output_call_frame_info): Call named_section.
7090 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
7092 * haifa-sched.c (print_value): Fix last change.
7094 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
7096 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
7099 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
7101 * mips.c (function_prologue): Set up the CFA when ABI_32.
7103 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
7104 for dwarf2 unwind info.
7105 (output_function_prologue, sparc_flat_output_function_prologue): Same.
7107 * final.c (final_end_function): Check dwarf2out_do_frame instead
7108 of DWARF2_DEBUG for dwarf2 unwind info.
7109 (final_scan_insn): Likewise.
7110 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
7113 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
7116 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
7118 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
7120 * v850.h (ASM_SPEC): Pass on target processor.
7121 (CPP_PREDEFINES): Only define if not already specified.
7122 (TARGET_VERSION): Only define if not already specified.
7123 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
7125 (EXTRA_SWITCHES): Extra entries in the switches array.
7126 (TARGET_DEFAULT): Set default target processor.
7128 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
7130 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
7131 cases, add %# and %/, and add : to make them into extended asms.
7133 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
7135 * alias.c (init_alias_analysis): Clean up incompatible pointer
7136 type warning in bzero.
7137 * regmove.c (regmove_optimize): Ditto.
7138 * haifa-sched.c (find_rgns): Ditto.
7140 * haifa-sched.c (print_value): Clean up ptr->int cast
7143 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
7145 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
7146 * install.texi (Configurations): Ditto.
7147 * config.sub: Ditto.
7149 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
7151 * Makefile.in (sdbout.o): Depend on insn-config.h.
7153 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
7155 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
7156 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
7158 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
7160 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
7161 prologue insn, only the first elt is significant.
7162 (output_call_frame_info): For exception handling, always use 4-byte
7163 fields as specified by the dwarf2 spec.
7164 Don't skip trivial FDEs.
7166 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
7168 * version.c: Bump for snapshot.
7170 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
7172 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
7173 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
7176 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
7178 * final.c (shorten_branches): During first pass, assume worst
7179 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
7181 * Makefile.in (distclean): Remove various things left around
7182 by running the testsuite.
7184 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
7186 * configure.in (out_file): Emit definition to config.status in order
7187 to have a defined value for configure.lang.
7188 * configure: Re-built.
7190 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
7192 * configure.in: Make symlink to as-new rather than as.new. Similarly
7194 * configure: Rebuilt.
7196 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
7198 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
7200 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
7202 * sparc/sparc.md: Add ultrasparc scheduling support.
7203 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
7205 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
7207 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
7208 as initial value for real_label_map.
7209 (copy_for_inline): Likewise.
7211 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7213 * sched.c (update_flow_info) When looking if to set found_split_dest
7214 or found_orig_dest, look at all parts of a PARALLEL.
7215 * haifa-sched.c (update_flow_info): Likewise.
7217 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
7219 * v850: New directory for v850 port.
7220 * v850/lib1funcs.asm: New file.
7221 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
7222 * ginclude/va-v850.h: New file.
7223 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
7224 * configure.in (mn10200-*-*): New target.
7225 * configure: Rebuilt.
7226 * config.sub: Handle v850-elf.
7227 * Makefile.in (USER_H): Add va-mn10200.h.
7228 * invoke.texi: Document v850 stuff.
7230 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
7232 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
7233 has integer TYPE_{MAX,MIN}_VALUE before using them.
7235 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
7236 __HPUX_ASM__ versions.
7238 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
7240 * install.sh: Delete duplicate install script.
7242 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
7244 * reg-stack.c (subst_stack_regs): Pop the stack register for a
7245 computed goto which sets the same stack register.
7247 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
7248 destination are both on the regstack.
7249 (subst_stack_regs_pat): Put the destination at the top of the regstack.
7251 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
7253 * mips.md (nonlocal_goto_receiver): Define.
7255 * profile.c (output_arc_profiler): Check next_insert_after for non
7256 NULL before deferencing it.
7258 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
7260 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
7262 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
7264 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
7266 * toplev.c (rest_of_compilation): For passes starting with
7267 flow_analysis, use print_rtl_with_bb instead of print_rtl.
7269 * print-rtl.c (print_rtl_single): Print a single rtl value to a
7272 * flow.c (print_rtl_with_bb): Print which insns start and end
7273 basic blocks. For the start of a basic block, also print the live
7276 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
7278 * toplev.c (main): Change #elif to #else/#ifdef
7280 * tlink.c: Include ctype.h.
7281 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
7283 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
7285 * bitmap.c: Conditionally include stdlib.h.
7286 (free): Provide a declaration if NEED_DECLARATION_FREE.
7288 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
7290 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
7292 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
7294 * profile.c (output_arc_profiler): Verify next_insert_after is an
7295 INSN before and after skipping a stack pop.
7297 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7299 * final.c (shorten_branches): Don't count the lengths of deleted
7302 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
7304 * version.c: Bump for snapshot.
7306 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
7308 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
7309 two bitmaps ANDed together.
7310 (bitmap_print): Declare.
7312 * bitmap.c (function_obstack): Don't declare any more.
7313 (bitmap_obstack): Obstack for allocating links from.
7314 (bitmap_obstack_init): New static to say whether to initialize
7316 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
7317 (bitmap_release_memory): Free all memory allocated from
7320 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
7321 EXECUTE_IF_AND_IN_BITMAP.
7323 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
7325 * alias.c (true_dependence): Address with AND can alias scalars.
7326 (anti_dependence, output_dependence): Likewise.
7328 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
7330 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
7332 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
7333 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
7334 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
7335 definitions. Use -qrtems instead of -mrtems.
7337 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
7339 * xm-sco5.h (sys_siglist): Define.
7340 (SYS_SIGLIST_DECLARED): Likewise.
7342 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
7344 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
7346 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
7348 * except.c (eh_outer_context): Expand masking operation using
7351 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
7353 * alpha.md (floatdisf2-1): New pattern.
7355 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
7357 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
7358 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
7359 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
7360 * gcc.texi: Note that if you define sys_siglist that you should
7361 also define SYS_SIGLIST_DECLARED.
7363 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
7364 are relative to the next instruction, not the current instruction.
7366 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
7368 * local-alloc.c (contains_replace_regs): New function.
7369 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
7370 verify that there is no existing REG_EQUIV note, and add a call to
7371 contains_place_regs.
7373 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7375 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
7376 (STARTFILE_SPEC): Always use crtbegin.o%s
7377 (ENDFILE_SPEC): Always use crtend.o%s.
7379 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
7381 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
7383 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
7384 SFmode for 64 bit hosts.
7386 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
7388 * fixincludes: Permits spaces between # and define. Discard C++
7389 comments in sys/pci.h on HP/UX 10.20.
7391 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
7393 * version.c: Bump for snapshot.
7395 * pa.c (restore_unscaled_index_insn_codes): New function.
7396 (record_unscaled_index_insn_codes): Likewise.
7397 (output_function_prologue): Call restore_unscaled_index_insn_codes.
7398 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
7399 (pa_reorg): Call record_unscaled_index_insn_codes.
7401 * haifa-sched.c (move_insn): Handle notes correctly for insns
7402 with SCHED_GROUP_P set.
7404 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7406 * alpha/xm-linux.h (USE_BFD): Undef before define.
7408 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
7410 * cse.c (cse_insn): Don't record BLKmode values.
7412 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
7414 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
7416 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
7418 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
7419 * collect2.c (sys_errlist): Likewise.
7420 * cpplib.c (sys_errlist): Likewise.
7421 * gcc.c (sys_errlist): Likewise.
7422 * protoize (sys_errlist): Likewise.
7423 * configure.in: Check for strerror.
7424 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
7425 * xm-gnu.h (HAVE_STRERROR): Likewise.
7426 * xm-linux.h (HAVE_STRERROR): Likewise.
7427 * xm-netbsd.h (HAVE_STRERROR): Likewise.
7428 * xm-bsd386.h (HAVE_STRERROR): Likewise.
7429 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
7430 * xm-dos.h (HAVE_STRERROR): Likewise.
7431 * xm-mingw32.h (HAVE_STRERROR): Likewise.
7432 * xm-pa.h (HAVE_STRERROR): Likewise.
7433 * xm-papro.h (HAVE_STRERROR): Likewise.
7434 * xm-sysv4.h (HAVE_STRERROR): Likewise.
7435 * configure, config.in: Rebuilt.
7437 * Makefile.in: Add several missing "else true" clauses.
7439 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
7440 * mips-tfile.c: Likewise.
7441 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
7442 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
7443 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
7444 * configure.in: Check for sys_siglist declaration.
7445 * configure, config.in: Rebuilt.
7447 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
7449 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
7450 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
7451 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
7452 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
7453 * rs6000/sysv4.h (extra_subtarget_switches): Added new
7454 macro EXTRA_SUBTARGET_SWITCHES.
7455 * configure.in (sh*-*-rtems*): New target.
7456 * sh/rtems.h: New file.
7457 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
7458 * configure: Rebuilt.
7460 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
7462 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
7464 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
7466 * rs6000.md: Make DF fused-add operations pay attention to
7469 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
7471 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
7473 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
7475 * pa.md (reload_peepholes): Make sure operand is a REG before
7476 examining REGNO. Allow general registers too.
7478 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
7480 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
7482 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
7484 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
7485 to reallocate abbrev_die_table.
7487 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
7489 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
7491 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7493 * Makefile.in (config.status): Depend on version.c
7495 * expr.h (insn_gen_function): Reenable prototype.
7497 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
7500 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
7502 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
7504 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
7506 * version.c: Bump for latest snapshot.
7508 * bc-optab.c: Conditionally include stdlib.h.
7509 (free): Provide a declaration if NEED_DECLARATION_FREE.
7510 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
7511 * rtl.h (free): Remove declaration.
7512 * tree.h (free): Remvoe declaration.
7514 * configure: Rebuilt.
7516 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
7518 * flags.h (flag_move_all_movables): Declare.
7519 (flag_reduce_all_givs): Likewise.
7520 * loop.c (move_movables): Handle flag_move_all_movables.
7521 (strength_reduce): Handle flag_reduce_all_givs.
7522 * toplev.c (flag_move_all_movables): Define.
7523 (flag_reduce_all_givs): Likewise.
7524 (f_options): Add -fmove-all-movables and -freduce-all-givs.
7525 * invoke.texi: Document new options, including alias stuff that
7526 wasn't included last time.
7528 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
7530 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
7533 * t-vxworks68: Ditto.
7534 * t-vxworks960: Ditto.
7537 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
7539 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
7540 if not already defined, and USE_C_ALLOCA not defined.
7542 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
7544 * config.guess: Replace with script that uses ../config.guess.
7546 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
7547 if USE_GNULIBC_1 is not defined.
7549 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
7551 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
7552 * config.guess: Recognize alpha-linux-gnulibc1.
7553 * configure.in (alpha-*-linux-gnulibc1): New target.
7554 (alpha-*-linux-gnu*): Don't build crtbegin/end.
7556 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
7558 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
7561 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
7563 * loop.c (combine_movables): Earlier insns don't match later ones.
7565 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7567 * config/linux.h (CC1_SPEC): Define it only if not defined.
7569 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
7572 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
7573 USE_GNULIBC_1 is not defined.
7575 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
7577 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
7578 as 1 if USE_GNULIBC_1 is not defined.
7580 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
7582 * reorg.c (dbr_schedule): Allow current_function_return_rtx
7583 to be something other than a REG.
7584 * function.c (expand_function_end): Fix current_function_return_rtx
7587 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
7588 * x-netbsd: Likewise
7589 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
7590 (INSTALL_HEADERS): Delete.
7591 * x-dguxbcs: Likewise.
7592 * x-hp3bsd44: Likewise
7595 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7597 * i386.md (pop): pop increments the stack pointer.
7598 (prologue_set_stack_ptr): New pattern.
7599 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
7602 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
7604 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
7605 address where an offsettable address is required.
7607 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
7609 * loop.c (check_final_value): Don't miss a biv increment in a
7612 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
7614 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
7615 TYPE_DECL_IS_STUB instead of DECL_NAME.
7617 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7619 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
7621 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
7623 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
7625 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
7627 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
7628 (find_post_sched_live): Likewise.
7630 * haifa-sched.c (schedule_block): Remove old code to get arguments
7631 from hard regs into pseudos early.
7633 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
7635 * version.c: Bump for new snapshot.
7637 * local-alloc.c (update_equiv_regs): All the target to reject
7638 promotion of some REG_EQUAL to REG_EQUIV notes.
7639 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
7641 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
7644 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
7645 store of the argument registers.
7647 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
7649 * fold-const.c (multiple_of_p): New function.
7650 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
7652 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
7654 * expr.h (insn_gen_function): Temporarily remove prototype.
7656 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
7658 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
7659 filenames. Use sed to extract base filename for install.
7661 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
7663 * unroll.c (find_splittable_givs): Only share if two givs have the
7664 same add and multiply values.
7666 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
7668 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
7669 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
7671 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
7673 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
7674 around branch tables.
7675 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
7676 and .end_brtab directives if TARGET_GAS.
7678 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
7680 * alias.c (true_dependence): Pass x_addr not x to varies.
7682 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
7683 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
7684 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
7686 * config.in, configure: Regenerate.
7688 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
7690 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
7692 (record_set): Handle LO_SUM like PLUS.
7693 (init_alias_analysis): When following chains of base addresses,
7694 do not stop on reaching a hard register.
7696 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
7698 * version.c: Bump for new snapshot.
7700 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
7702 * alpha.h (ARCH_ASM_FILE_START): Define.
7703 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
7704 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
7706 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
7708 * Makefile.in (install-common): Put gcov comment at start of line.
7710 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
7712 * alias.c (init_alias_analysis): When simplifying the reg_base_value
7713 array, simplify entries for hard registers too.
7715 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
7717 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
7720 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
7722 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
7723 block_stack before dereferencing it.
7725 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
7727 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
7729 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
7731 * cplus-dem.c: Add 'extern' to prepends_underscore.
7733 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
7735 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
7736 (get_issue_rate): Delete.
7737 * pa.h (ISSUE_RATE): Define.
7739 * configure.in: Turn on haifa by default for the PA.
7740 * configure: Rebuilt.
7741 * pa.c (override_options): Accept -mschedule=7200 option.
7742 (pa_adjust_cost): No longer need to scale costs for newer
7744 * pa.h (enum processor_type): Add PROCESSOR_7200.
7745 * pa.md: Revamp scheduling parameters to work better with
7746 haifa. Add scheduling parameters for the 7200.
7748 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
7750 (schedule_block): When adjusting basic_block_{head,end}, account
7751 for movement of SCHED_GROUP_P insns too.
7753 * haifa-sched.c (debug_dependencies): Fix thinko.
7755 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
7756 (site.exp, check, check-g++, check-gcc): New targets.
7758 * haifa-sched.c: Make lots of variables static.
7760 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7762 * expr.h, real.h: Finish prototyping.
7764 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
7766 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
7767 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
7768 * reload1.c: Undo bugfix from Aug 11.
7770 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
7772 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
7773 quotes around the name.
7774 * configure: Regenerate.
7776 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
7778 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
7780 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
7782 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
7783 to sub-makes to avoid building more passes than the user might have
7784 requested on the command line.
7786 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
7788 * configure.in: Expurgate `broken_install' (install is
7791 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
7794 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
7796 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
7797 functions and declarations.
7798 (analyze_loop_iterations): Use condjump_p.
7799 (insert_bct): Likewise. Use exact_log2.
7801 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
7803 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
7804 (schedule_region): Likewise.
7805 (schedule_insns): Likewise.
7807 * PROJECTS: Update with Haifa stuff.
7809 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
7811 * version.c: Change the version string to look like:
7812 egcs-2.90.00 970814 (gcc2-970802 experimental).
7814 * loop.c (is_conditional_branch): Make definition match declaration.
7816 * gcc.c: Take out experimental snapshot warning message.
7818 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
7820 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
7821 print out the names of the notes. Print out the name of the insn
7822 that is not a note, and not an {,CALL_,JUMP_}INSN.
7824 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
7826 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
7827 again for the slot after we give it RTL.
7829 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
7831 * configure.in (haifa configury): Fix typo.
7832 * configure: Regenerate.
7834 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
7836 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
7838 * gcc.info*: Rebuilt.
7840 * COPYING.g77, README.g77: New files.
7841 * real.c (ereal_unto_float, ereal_unto_double): New functions.
7842 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
7843 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
7845 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
7847 * Integrate Haifa instruction scheduler.
7848 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
7849 to sched with $(SCHED_CFLAGS.
7850 * configure.in: Handle --enable-haifa.
7851 * configure: Rebuilt.
7852 * flags.h: Add new flags for haifa instruction scheduler.
7853 * genattrtab.c (expand_units): For haifa, don't subtract one
7854 when computing blockage.
7855 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
7856 (flag_schedule_speculative): Ditto.
7857 (flag_schedule_speculative_load): Ditto.
7858 (flag_schedule_speculative_load_dangerous): Ditto.
7859 (flag_schedule_reverse_before_reload): Ditto.
7860 (flag_schedule_reverse_after_reload): Ditto.
7861 (flag_branch_on_count_reg): Ditto.
7862 (f_options): Add Haifa switches.
7863 (main): Turn off some Haifa options if appropriate macro is
7864 defined. Process Haifa switches.
7865 * unroll.c (iteration_info): No longer static, since Haifa
7867 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
7868 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
7869 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
7870 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
7871 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
7872 storage for the Haifa scheduler.
7873 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
7875 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
7876 are defined, call analyze_loop_iterations and insert_bct to use
7878 (record_giv): Refine test for jumps out of loops if HAIFA is
7880 (analyze_loop_iterations): New function to identify if we can use
7882 (insert_bct): Insert countdown loop.
7883 (instrument_loop_bct): Low level code to insert countdown loop.
7884 (loop_number): Calculate UID of loop.
7885 (indirect_jump_in_function_p): Return true if an indirect jump is
7887 (is_power_of_2): Return true if value is a power of 2.
7888 (is_conditional_branch): Return true if insn is a conditional
7890 (fix_bct_param): Process -fbct-{min,max}-N switches.
7891 (check_bct_param): Return true if loop should be instrumented.
7892 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
7893 (loop_optimize): Initialize.
7894 (get_condition_for_loop): Ditto.
7895 * loop.c (strength_reduce): Inside of code that uses #ifdef
7896 HAVE_decrement_and_branch_on_count code, test it to make sure the
7898 (instrument_loop_bct): Ditto.
7899 * haifa-sched.c: New file.
7902 * Integrate regmove pass.
7903 * Makefile.in (OBJS): Add regmove.o
7904 (regmove.o): Add dependencies.
7905 * flow.c (find_use_as_address): No longer static.
7906 * rtl.h (find_use_as_address): Declare.
7907 * toplev.c (regmove_dump, flag_regmove): Define.
7908 (f_options): Add -fregmove.
7909 (regmove_dump_file, regmove_time): Define.
7910 (fatal_insn): Close the regmove dump file.
7911 (compile_file): Initialize regmove_time; open/close the regmove dump
7912 file as needed. Print regmove time as needed.
7913 (rest_of_compilation): Run regmove pass if requested, dump
7914 RTL after regmove if requested.
7915 (main): If -O2 or more, turn on regmove. Handle dump switches.
7916 * regmove.c: New file.
7918 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
7920 * Integrate tlink patch from jason@cygnus.com
7921 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
7922 (process_command): Increment n_switches for them. Don't discard
7923 their args. Validate them.
7924 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
7926 (process_command): Set include_prefixes from COMPILER_PATH.
7927 (main): Set COLLECT_GCC_OPTIONS sooner.
7928 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
7929 * tlink.c, hash.c, hash.h: New files.
7930 * Makefile.in (USE_COLLECT2): Always use collect2.
7931 (collect2): Depend on and link in hash.o and tlink.o.
7932 (tlink.o, hash.o): Add dependencies.
7934 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
7936 * Integrate alias analysis changes from jfc@mit.edu
7937 * Makefile.in (OBJS): Add alias.o
7938 (alias.o): Add dependencies.
7939 * alias.c: New file.
7940 * sched.c: Remove alias analysis code. It lives in alias.c now.
7941 (sched_analyze_2): Add new arguments to true_dependence.
7942 (schedule_insns): Always call init_alias_analysis.
7943 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
7944 mark return value from such functions as a pointer and keep track of
7945 them for alias analysis. If a return value from a function is a
7946 pointer, mark it as such.
7947 * combine.c (distribute_notes): Handle REG_NOALIAS.
7948 * cse.c (struct write_data): Delete. No longer needed.
7949 (invalidate): Don't call set_nonvarying_address_components anymore.
7950 Use true_dependence to decide if an entry should be removed from
7952 (invalidate_memory): Remove WRITES argument, simplify appropriately.
7954 (note_mem_written): Similarly for WRITE_PTR argument.
7955 (invalidate_from_clobbers): Similarly for W argument.
7956 (invalidate_for_call): Remove memory elements from the hash table.
7957 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
7958 (cse_rtx_varies_p): New function. Derived from old
7959 cse_rtx_addr_varies_p.
7960 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
7961 Don't call note_mem_written anymore. Stack pushes invalidate the stack
7962 pointer if PUSH_ROUNDING is defined. No longer need to call
7963 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
7964 (skipped_writes_memory): Remove variable.
7965 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
7966 (invalidate_skipped_block): Simplify for new alias analysis code.
7967 (cse_set_around_loop): Likewise.
7968 (cse_main): Call init_alias_analysis.
7969 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
7970 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
7971 (f_options): Add new alias checking arguments.
7972 (main): Set flag_alias_check when optimizing.
7973 * local_alloc (validate_equiv_mem_from_store): Add new arguments
7975 (memref_referenced_p): Likewise.
7976 * loop.c (NUM_STORES): Increase to 30.
7977 (prescan_loop): Only non-constant calls set unknown_address_altered.
7978 (invariant_p): Add new arguments to true_dependence.
7979 (record_giv): Initialize unrolled and shared fields.
7980 (emit_iv_add_mult): Call record_base_value as needed.
7981 * loop.h (struct induction): Add unrolled and shared fields.
7982 * unroll.c (unroll_loop): Call record_base_value as needed.
7983 (copy_loop_body): Likewise.
7984 (final_biv_value): Likewise.
7985 (final_giv_value): Likewise.
7986 (find_splittable_regs): Likewise. Only create one new pseudo
7987 if we have multiple address GIVs that were combined with the same
7988 dst_reg GIV. Note when a new register is created due to unrolling.
7989 * rtl.c (reg_note_name): Add REG_NOALIAS.
7990 * rtl.h (enum reg_note): Similarly.
7991 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
7992 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
7993 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
7994 (true_dependence, read_dependence, anti_dependence): Likewise.
7995 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
7996 (mark_user_reg, mark_reg_pointer): Likewise.
7999 * Integrate reload bugfix from Wilon which enables the PA port
8001 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
8002 OPERAND_ADDRESS when computing how many registers an insn needs.
8003 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
8005 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
8007 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
8008 in reload_reg_use_in_op_addr do not reach the end.
8009 do not reach the end.
8010 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
8011 RELOAD_FOR_OPERAND_ADDRESS.
8013 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
8015 * egcs project officially starts.