1 Thu Apr 16 13:45:51 1998 Jim Wilson <wilson@cygnus.com>
3 * reg-stack.c (constrain_asm_operands): Set n_alternatives to zero if
6 Wed Apr 15 11:33:09 1998 Alexandre Petit-Bianco <apbianco@sendai.cygnus.com>
8 * tree.c (build_expr_wfl): Use NULL_TREE if the file name is NULL.
9 Propagate TREE_SIDE_EFFECTS and TREE_TYPE iff the encapsulated
10 node is non NULL. Cache last file name and file name identifier node.
12 1998-04-15 Mark Mitchell <mmitchell@usa.net>
14 * c-common.c (declare_hidden_char_array): Use TYPE_DOMAIN to get
15 the length of an array, not TREE_TYPE.
17 Wed Apr 15 15:31:34 1998 Jeffrey A Law (law@cygnus.com)
19 * flow.c (sbitmap_union_of_successors): New function.
20 * basic-block.h (sbitmap_union_of_successors): Declare it.
22 Wed Apr 15 12:38:03 1998 Jim Wilson <wilson@cygnus.com>
24 * configure.in (gnu_ld): Rename to gnu_ld_flag before main loop.
25 Set gnu_ld to gnu_ld_flag inside main loop.
28 Wed Apr 15 14:50:05 1998 Dave Brolley <brolley@cygnus.com>
30 * toplev.c (compile_file): Call init_parse using new interface.
31 (init_lex): Remove declaration.
33 * c-lex.c (init_parse): Now returns char* containing filename.
35 Wed Apr 15 12:37:10 1998 Jeffrey A Law (law@cygnus.com)
37 * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing if not optimizing.
39 Wed Apr 15 12:10:18 1998 Michael Meissner <meissner@cygnus.com>
41 * Makefile.in (gen{config,flags,codes,emit}): Link in host print-rtl.o.
42 (gen{extract,peep,opinit,output}): Ditto.
44 * gen{attr,codes,config,emit,output}.c (insn_attr_name): Provide a
45 global definition so print-rtl.o can be linked in.
46 * gen{peep,recog}.c (insn_attr_name): Ditto.
48 Tue Apr 14 07:30:57 1998 K. Richard Pixley <rich@kyoto.noir.com>
50 * fixincludes: discard empty C++ comments, as found in sys/time.h
53 Wed Apr 15 10:47:21 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
55 * config/m68k/m68k.md (adddi3, subdi3): Optimize for constant
58 Wed Apr 15 01:21:21 1998 Jeffrey A Law (law@cygnus.com)
60 * emit-rtl.c (operand_subword): Rework slightly to avoid
61 bogus warning from previous change.
63 Tue Apr 14 23:39:13 1998 Richard Henderson <rth@cygnus.com>
65 * alpha.md: Revert Oct 27 change, as it is superceeded by Kenner's
66 Nov 8 find_replacement change. Move decls of get_unaligned_address
69 Tue Apr 14 22:00:39 1998 John Carr <jfc@mit.edu>
71 * function.c (assign_parms): Initialize unsignedp before passing
72 its pointer to promote_mode.
74 * genattrtab.c (check_attr_test): Handle MATCH_INSN like MATCH_OPERAND.
75 (write_test_expr): Allow MATCH_INSN.
77 Tue Apr 14 21:57:57 1998 Paul Eggert <eggert@twinsun.com>
79 * install.texi: Update section on warnings that can be safely ignored.
81 Tue Apr 14 14:55:16 1998 Jim Wilson <wilson@cygnus.com>
83 * mips.md (reload_outdi): Change the scratch mode from DImode to
84 TImode. New variable scratch, used instead of operand[2] in template.
85 Add code for MIPS16 HILO_REGNUM case where output reg is not M16_REG_P.
87 Tue Apr 14 16:19:03 1998 Michael Meissner <meissner@cygnus.com>
89 * expr.c (MOVE_RATIO): Set to 3 if optimizing for space.
91 Tue Apr 14 11:31:28 1998 Krister Walfridsson <cato@df.lth.se>
93 * i386/bsd386.h (ASM_OUTPUT_ALIGN): Redefine.
95 Tue Apr 14 09:02:32 1998 Jeffrey A Law (law@cygnus.com)
97 * svr4.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
98 (ASM_FINISH_DECLARE_OBJECT): Likewise.
100 * Idea and part of the patch from HJ.
101 * Makefile.in: auto-host.h renamed from auto-config.h. All references
103 (distclean): Remove auto-build.h too.
104 * configure.in: Rename host autoconf generated file to auto-host.h.
105 If host != build, then run autoconf to generate auto-build.h for
106 the build machine and include it in build_xm_files.
107 Check for wait.h and sys/wait.h.
109 * combine.c (simplify_rtx, case TRUNCATE): Respect value of
110 TRULY_NOOP_TRUNCATION.
112 Mon Apr 13 11:31:49 1998 Jason Merrill <jason@yorick.cygnus.com>
114 * tree.h (BINFO_OFFSET_ZEROP): Use integer_zerop.
116 Sun Apr 12 20:55:32 1998 Catherine Moore <clm@cygnus.com>
118 * invoke.texi (ld options) Include memset requirements
119 for options -nodstdlib and -nodefaultlibs.
121 1998-04-12 Paul Eggert <eggert@twinsun.com>
123 This change is from an idea suggested by Arthur David Olson.
125 * c-common.c (decl_attributes, record_function_format,
126 check_format_info, init_function_format_info):
127 Add support for strftime format checking.
128 (enum format_type): New type.
129 (record_function_format): Now static, and takes value of type
130 enum format_type instead of int.
131 (time_char_table): New constant.
132 (struct function_format_info): format_type member renamed from is_scan.
133 (check_format_info): Use `warning' rather than sprintf followed by
134 `warning', to avoid mishandling `%' in warnings.
135 Change `pedwarn' to `warning', since these warnings do not necessarily
136 mean the program does not conform to the C Standard, as the code
137 need not be executed.
139 * c-tree.h (record_function_format): Remove decl; no longer extern.
141 * extend.texi: Add documentation for strftime format checking.
143 Sun Apr 12 20:23:03 1998 Jeffrey A Law (law@cygnus.com)
145 * mips/ecoffl.h: Do not include mips.h.
146 * mips/elf.h: Likewise.
148 * configure.in (mips-*-ecoff): Do not mention mips/mips.h in tm_files.
149 * mips/ecoff.h: Include "mips/mips.h".
151 Sat Apr 11 22:42:54 PDT 1998 Jeff Law (law@cygnus.com)
153 * version.c: Bump for snapshot.
155 Sat Apr 11 01:24:28 1998 Jeffrey A Law (law@cygnus.com)
157 * cse.c (count_reg_usage): Correctly handle REG_NONNEG notes.
158 (delete_trivially_dead_insns): Renamed from delete_dead_from_cse.
159 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns instead of delete_dead_from_cse. Also call delete_trivially_dead_insns
160 between loop optimization passes.
161 * rtl.h: Updated appropriately.
163 Fri Apr 10 22:28:32 1998 Jeffrey A Law (law@cygnus.com)
165 Reinstall this patch from Jason.
166 * function.c (push_function_context_to): Don't call init_emit.
168 Fri Apr 10 13:40:20 1998 Nick Clifton <nickc@cygnus.com>
170 * rtl.c (read_skip_spaces): Prevent infinite loops upon
171 encountering unterminated comments.
173 Fri Apr 10 10:43:41 1998 Jeffrey A Law (law@cygnus.com)
175 * emit-rtl.c (operand_subword): Properly handle CONST_INTs for
178 * configure.in: Handle --with-fast-fixincludes.
179 (fixincludes): If --with-fast-fixincludes, then use a different
180 fixincludes program by default.
181 * Makefile.in (fixinc.sh): New rule.
183 Fri Apr 10 00:36:31 1998 H.J. Lu (hjl@gnu.org)
185 * i386.md (movqi+1): Handle invalid QI register.
186 (movsf_push-1): Likewise.
188 Thu Apr 9 16:53:59 1998 Nick Clifton <nickc@cygnus.com>
190 * config/m32r/m32r.c: call_address_operand(): Only accept symbolic
192 symbolic_memort_operand(), call32_operand(), int8_operand(),
193 int16_operand(), uint24_operand(), reg_or_int8_operand(): Removed.
195 uint16_operand(): Made static.
197 Thu Apr 9 01:43:04 1998 Jeffrey A Law (law@cygnus.com)
199 * calls.c (expand_call): Fix typo.
201 Thu Apr 9 00:18:44 1998 Dave Brolley (brolley@cygnus.com)
203 * c-lex.c (finput): New global.
204 (init_parse): Always included. Handle !USE_CPPLIB using
205 code originally in compile_file.
206 (finish_parse): Update for CPPLIB.
207 * toplev.c (init_parse, finish_parse): Declare.
208 (finput): Delete variable. Now in front-ends.
209 (compile_file): Remove code which is now handled by init_parse
210 which is unconditionally called. Similarly for finish_parse.
212 Wed Apr 8 23:13:50 1998 Gavin Koch <gavin@cygnus.com>
214 * config/mips/r3900.h (ASM_OUTPUT_DEF,SUPPORTS_WEAK,
215 ASM_WEAKEN_LABEL): Add.
217 Wed Apr 8 18:21:30 1998 Richard Henderson <rth@cygnus.com>
219 * alpha/crtbegin.asm, alpha/crtend.asm, alpha/t-crtb: New files.
220 * configure.in (alpha-*-linux*): Use them.
222 Fri Apr 3 17:02:13 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
224 * tree.def (EXPR_WITH_FILE_LOCATION): New tree node definition.
225 * tree.h (EXPR_WFL_{NODE,FILENAME,FILENAME_NODE,LINENO,
226 COLNO,LINECOL,SET_LINECOL,EMIT_LINE_NOTE}): New macros.
227 (build_expr_wfl): New prototype declaration.
228 * tree.c (build_expr_wfl): New function, to build
229 EXPR_WITH_FILE_LOCATION nodes.
230 (copy_node): Don't zero TREE_CHAIN if copying a
231 EXPR_WITH_FILE_LOCATION node.
232 * print-tree.c (print_node): Handle EXPR_WITH_FILE_LOCATION.
233 * expr.c (expand_expr): Handle EXPR_WITH_FILE_LOCATION.
235 Wed Apr 8 12:51:19 1998 Jeffrey A Law (law@cygnus.com)
237 * configure.in (v850): Use t-v850.
238 (ix86-wrs-vxworks): Recognize 786 just like other x86 configurations.
240 * protoize.c (creat, read, write): Do not declare.
242 * jump.c (mark_jump_label): Record REG_LABEL notes for insns which
243 refer to the CODE_LABEL before a dispatch table.
245 * invoke.texi: Add ARC options.
247 * gcc.c (proces_command): Improve error message for -o with
250 * i386/x-cygwin32 (CLIB): Link in advapi32.
252 * alpha.h (ASM_IDENTIFY_GCC): Define to nothing.
253 (ASM_IDENTIFY_LANGUAGE): Likewise.
255 * i386.md (movqi recognizer): Don't perfom byte increment into
258 * configure.in (x86-dg-dgux): Run fixinc.dgux.
260 * i370.h: Fix typo in GEN_INT changes.
262 * bitmap.c (bitmap_element_allocate): Use "void" for arglist instead
263 of an empty arglist in prototype.
265 * Makefile.in: Remove bytecode crud that crept back in after the
268 1998-04-08 Brendan Kehoe <brendan@cygnus.com>
270 * c-lex.h (is_class_name): Fix arg type to be tree, not void.
271 (make_pointer_declarator, reinit_parse_for_function): Fix typo.
273 Wed Apr 8 06:16:45 1998 Richard Earnshaw (rearnsha@arm.com)
275 * arm.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
277 Wed Apr 8 00:44:18 1998 Bernd Schmidt (crux@pool.informatik.rwth-aachen.de>
279 * c-lex.c (is_class_name): Delete declaration.
280 (whitespace_cr): Make static and add prototype.
281 * c-lex.h (make_pointer_declarator, reinit_parse_for_function,
282 yylex, get_directive_line): Turn declarations into prototypes.
283 (position_after_whitespace, check_newline, yyerror,, is_class_name,
284 forget_protocol_qualifiers, remember_protocol_qualifiers): Add
286 * genattr.c (extend_range, write_upcase, gen_attr, write_units): Add
288 * gencodes.c (gen_insn): Add prototype.
289 * genconfig.c (walk_insn, gen_insn, gen_expand, gen_split,
290 gen_peephole): Add prototypes.
291 * genflags.c (num_operands, gen_proto, gen_nonproto, gen_insn): Add
293 * gengenrtl.c (type_from_format, accessor_from_format, special_rtx,
294 special_format, find_formats, gendecl, genmacro, gendef, genlegend,
295 genheader, gencode): Add prototypes.
296 * genopinit.c (gen_insn): Add prototype.
297 * genoutput.c (output_prologue, output_epilogue, scan_operands,
298 process_template, validate_insn_alternatives, gen_insn, gen_peephole,
299 gen_expand, gen_split, n_occurrences): Add prototypes.
300 * genpeep.c (gen_peephole): Add prototype.
301 * loop.c (find_and_verify_loops, mark_loop_jump, prescan_loop,
302 reg_in_basic_block_p, consec_sets_invariant_p, libcall_other_reg,
303 labels_in_range_p, count_loop_regs_set, note_addr_stored,
304 loop_reg_used_before_p, scan_loop, replace_call_address,
305 skip_consec_insns, libcall_benefit, ignore_some_movables,
306 force_movables, combine_movables, rtx_equal_for_loop_p, move_movables,
307 strength_reduce, valid_initial_value_p, find_mem_givs, record_biv,
308 check_final_value, record_giv, update_giv_derive, basic_induction_var,
309 simplify_giv_expr, general_induction_var, consec_sets_giv,
310 check_dbra_loop, express_from, combine_givs_p, combine_givs,
311 product_cheap_p, maybe_eliminate_biv, maybe_eliminate_biv_1,
312 last_use_this_basic_block, record_initial, update_reg_last_use,
313 iteration_info, analyze_loop_iterations, insert_bct,
314 instrument_loop_bct, indirect_jump_in_function_p): Turn declarations
317 Tue Apr 7 21:48:52 1998 Jeffrey A Law (law@cygnus.com)
319 * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
321 1998-04-07 Ken Raeburn <raeburn@cygnus.com>
323 * config/mips/mips.c (siginfo): Deleted.
324 (override_options): Don't install SIGINFO signal handler.
326 Tue Apr 7 11:58:04 1998 Jim Wilson <wilson@cygnus.com>
328 * loop.c (check_dbra_loop): When normalize comparison_val, add check
329 to verify it is non-negative.
331 Tue Apr 7 02:01:47 1998 Richard Henderson <rth@cygnus.com>
333 * alpha.c (alpha_expand_block_move): Correctly collect block offsets.
334 (alpha_expand_block_clear): Likewise.
336 Mon Apr 6 23:36:01 1998 Richard Henderson <rth@cygnus.com>
338 * tree.h (sizetype_tab): Fix previous change for K&R.
340 Mon Apr 6 22:23:29 PDT 1998 Jeff Law (law@cygnus.com)
342 * version.c: Bump for snapshot.
344 Mon Apr 6 23:16:10 1998 Richard Earnshaw (rearnsha@arm.com)
346 * configure.in (sparc-*-solaris2*): Add xm-siglist.h to xm_file.
347 Add USG and POSIX to xm_defines.
349 Mon Apr 6 21:49:57 1998 Bob Manson <manson@charmed.cygnus.com>
351 * gcc.c: Add linker spec.
352 (link_command_spec): Use %(linker) instead of ld.
353 (main): If collect2 is requested as the linker, see if it exists;
354 if not, use ld instead.
356 * Makefile.in (USE_COLLECT2): It's named collect2 now, not ld.
358 (install-collect2): Install as collect2, not ld.
360 * configure.in(will_use_collect2): It's named collect2 now.
362 * collect2: Remove checks to see if we were invoked recursively.
363 (collect_execute): Use _spawnvp under cygwin32.
365 Mon Apr 6 17:23:41 1998 Jim Wilson <wilson@cygnus.com>
367 * haifa-sched.c (build_control_flow): Set unreachable for block whose
368 only predecessor is itself.
370 Mon Apr 6 16:08:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
372 * c-parse.in: Include system.h, and remove stuff now made redundant.
375 * protoize.c: Likewise. Properly check for cpp stringification.
377 * Makefile.in (c-parse.o, cccp.o, cexp.o, protoize.o, unprotoize.o):
380 * objc/Make-lang.in (objc-parse.o): Likewise.
382 Mon Apr 6 14:59:58 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
384 * gansidecl.h: Check if compiler supports __attribute__. Provide
385 definitions for ATTRIBUTE_UNUSED and ATTRIBUTE_PRINTF using
386 __attribute__ when its available. Also provide definitions for
387 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2 and ATTRIBUTE_PRINTF_3 in
388 terms of ATTRIBUTE_PRINTF.
390 * genoutput.c (process_template): Use ATTRIBUTE_UNUSED in place
393 Mon Apr 6 07:17:52 1998 Catherine Moore <clm@cygnus.com>
395 * combine.c (can_combine_p): Include successor in volatile test.
397 Mon Apr 6 14:16:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
399 * sh.h (CASE_VECTOR_SHORTEN_MODE): Fix logic when to set
402 Mon Apr 6 02:03:29 1998 Jeffrey A Law (law@cygnus.com)
404 * objc/objc-act.c (encode_aggregate_within): Avoid GNU extensions
405 in prototype and definition.
407 Mon Apr 6 00:48:56 PDT 1998 Jeff Law (law@cygnus.com)
409 * version.c: Bump for snapshot.
411 Mon Apr 6 00:08:50 1998 Richard Henderson <rth@cygnus.com>
413 * alpha.c (alpha_expand_block_clear): Add missing offset arg to
414 alpha_expand_unaligned_store_words.
416 Sun Apr 5 21:31:24 1998 John Wehle (john@feith.com)
418 * i386.md (movsf_push, movsf_mem): Remove.
419 (movsf_push): Rename from movsf_push_nomove and move in front of
420 movsf. Use nonmemory_operand predicate and don't bother checking
422 (movsf_push_memory): New pattern.
423 (movsf): Don't bother checking for push_operand. If TARGET_MOVE and
424 both operands refer to memory then force operand[1] into a register.
425 (movsf_normal): Change to unnamed pattern.
426 Likewise for movdf, movxf, and friends.
428 Sun Apr 5 18:45:51 PDT 1998 Jeff Law (law@cygnus.com)
430 * version.c: Bump for snapshot.
432 Sun Apr 5 16:31:10 1998 Richard Henderson <rth@cygnus.com>
434 * configure.in (alpha-dec-osf*): Match osf1.3 correctly.
436 Sun Apr 5 16:53:37 1998 Don Bowman <don@pixsci.com>
438 * configure.in (mips-wrs-vxworks): New target.
440 Sat Apr 4 23:34:32 PST 1998 Jeff Law (law@cygnus.com)
442 * expmed.c (synth_mult): The value -1, has no zeros, so it can
443 never have the form ...011.
445 * version.c: Bump for snapshot.
447 Sat Apr 4 20:16:46 1998 Richard Henderson <rth@cygnus.com>
449 * i386.c (asm_output_function_prefix, load_pic_register):
450 Use ASM_GENERATE_INTERNAL_LABEL properly.
451 (output_pic_addr_const): Recognize %X to supress any PIC sym suffix.
452 (print_operand): Ignore it.
453 (load_pic_register): Use it for the got load call.
454 * i386.md (prologue_set_got, prologue_get_pc): Likewise.
455 (prologue_get_pc_and_set_got): Likewise.
456 * i386.h: Update print_operand docs.
458 Sat Apr 4 19:08:37 1998 Richard Henderson <rth@cygnus.com>
460 * i386.md (ffssi, ffshi): Rewrite as define_expands.
461 (ffssi_1, ffshi_1): New (unspec [] 5) support patterns.
462 * i386.c (notice_update_cc): Recognize unspec 5.
464 Sat Apr 4 18:07:16 1998 David Mosberger-Tang (davidm@mostang.com)
466 * alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Accept '(' for s/sv/svi.
467 * alpha.c (print_operand): Handle it.
468 * alpha.md (fix_truncsfdi2): Use it. Add earlyclobber pattern
470 (fix_truncdfdi2): Likewise.
472 Sat Apr 4 17:42:05 1998 Richard Henderson <rth@cygnus.com>
474 * tree.h (sizetype_tab[2], sbitsizetype, ubitsizetype): Merge all
475 of these into a single struct, with additional [us]sizetype entries.
476 * stor-layout.c (set_sizetype): Initialize [us]sizetype.
477 * fold-const.c (size_int_wide): Don't rely on sizetype_tab being
480 Sat Apr 4 17:04:41 1998 Richard Henderson <rth@cygnus.com>
482 * configure.in (alpha-*-linux-*): Undo tm_file changes from gcc2 merge.
484 Sat Apr 4 13:50:01 1998 Richard Henderson <rth@cygnus.com>
486 * haifa-sched.c (split_block_insns): Don't supress insn splitting
487 on subsequent passes.
489 * alpha.c (hard_fp_register_operand): New function.
490 * alpha.h (PREDICATE_CODES): Add it.
491 * alpha.md (extendsidi2): Kill bogus f<-f cvtql+cvtlq case. Add an
492 f<-m case and accompanying define_split.
493 (trapb): Use a unique unspec_volatile number.
495 Sat Apr 4 13:32:08 1998 Richard Henderson <rth@cygnus.com>
497 * configure.in (alpha-*-linux-gnu*): Undo Feb 3 change brought in
500 Sat Apr 4 10:23:41 1998 Jeffrey A Law (law@cygnus.com)
502 * Check in merge from gcc2. See ChangeLog.11 and ChangeLog.12
505 * haifa-sched.c: Mirror recent changes from gcc2.
507 Fri Apr 3 00:17:01 1998 Jeffrey A Law (law@cygnus.com)
509 * Makefile.in (insn*.o): Depend on system.h.
511 * pa.c (output_global_address): Initialize base.
512 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Initialize index.
514 1998-04-03 Mike Stump <mrs@wrs.com>
516 * gthr.h: Support systems that don't have weak, but have threads.
517 * configure.in (*wrs-vxworks*): Use VxWorks threads by default.
518 * gthr-vxworks.h: New file.
519 * objc/thr-vxworks.h: Dummy file from thr-single.c for now.
521 Thu Apr 2 18:00:52 1998 Jim Wilson <wilson@cygnus.com>
523 * i386.md (movqi+1): Change alternative 1 from *r/r to *r/*rn.
525 1998-04-02 Vladimir N. Makarov <vmakarov@cygnus.com>
527 * ginclude/va-i960.h (va_end): Change void * to void.
529 Thu Apr 2 13:51:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
531 * Makefile.in (choose-temp.o): Depend on system.h.
533 * choose-temp.c: Include system.h when IN_GCC.
535 Thu Apr 2 02:37:07 1998 Joern Rennecke (amylaar@cygnus.co.uk)
536 Richard Henderson <rth@cygnus.com>
538 * reload.c (find_reloads_address): Try LEGITIMIZE_RELOAD_ADDRESS.
539 (move_replacements): New function.
540 * reload.h: Prototype it.
542 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): New definition.
544 Thu Apr 2 01:01:34 1998 Richard Henderson <rth@cygnus.com>
546 * configure (alpha-*-linuxecoff, alpha-*-linux-gnulibc1):
549 * emit-rtl.c (gen_lowpart_common): Skip count by HARD_REGNO_NREGS.
550 (gen_highpart): Likewise.
551 * final.c (alter_subreg): Allow the target to hook by-mode subreg
552 hard register number changes.
554 Wed Apr 1 22:26:22 1998 Jeffrey A Law (law@cygnus.com)
556 * fold-const.c optimze_bit_field_compare): Initialize rnbitpos,
557 rnbitsize, rnmode and rinner.
558 (make_range): Initialize type.
559 (fold): Initialize arg0, arg1 and varop.
561 * function.c (instantiate_virtual_regs_1): Initialize offset, regnoi
563 (expand_function_start): Initialize last_ptr.
565 * stor-layout.c (layout_record): Initialize desired_align.
566 (get_best_mode): Initialize unit.
568 * tree.c (copy_node): Initialize length.
570 * c-lex.c (yylex): Initialize traditional_type, ansi_type and type.
572 * caller-save.c (insert_save_restore): Initialize pat, code and
575 * emit-rtl.c (push_to_sequence): Initialize top.
576 (push_topmost_sequence): Likewise.
578 * genattrtab.c (simplify_by_exploding): Initialize defval.
580 * profile.c (branch_prob): Initialize dest.
582 * rtl.h (note_stores): Remove duplicate prototype.
583 (GEN_INT): Re-instate cast of second arg to HOST_WIDE_INT.
585 * cplus-dem.c (gnu_special): Don't get confused by .<digits>
586 strings that are not actually lengths.
588 * genattrtab.c: Make generated file use system.h, instead of
589 including stdio.h, etc directly.
590 * genextract.c, genopinit.c, genoutput.c: Likewise.
591 * genpeep.c, genrecog.c: Likewise
593 * genoutput.c (process_template): Mark operands in the generated
594 function as potentially unused if compiling with GNU CC.
596 * i386/freebsd-elf.h (CPP_PREDEFINES): Update from FreeBSD folks.
598 * pa.md (reload peepholes): Remove unused variable "mode".
600 Wed Apr 1 17:06:19 1998 Nick Clifton <nickc@cygnus.com>
602 * config/arm/thumb.h: Add super interworking support.
603 * config/arm/thumb.c: Add super interworking support.
604 * config/arm/thumb.md: Add super interworking support.
605 * config/arm/lib1funcs.asm: Add interworking support.
606 * config/arm/lib1thumb.asm: Add super interworking support.
607 * config/arm/t-semi: Add interworking support.
608 * config/arm/t-thumb: Add interworking support.
609 * config/arm/README-interworking: New file.
611 Wed Apr 1 14:38:10 1998 Jim Wilson <wilson@cygnus.com>
613 * config/mips/iris6.h (MD_EXEC_PREFIX): Set to /usr/bin/.
614 (MD_STARTFILE_PREFIX): Unset.
616 1998-04-01 Mark Mitchell <mmitchell@usa.net>
618 * varasm.c (make_decl_rtl): Update the DECL_ASSEMBLER_NAME for a
619 entity in a local scope.
621 * fold-const.c (fold): Call truthvalue_conversion for values which
622 are folded to boolean type.
624 Wed Apr 1 06:09:53 1998 Jeffrey A Law (law@cygnus.com)
626 * 1750a.md, arm.c, clipper.c, clipper.md: Use GEN_INT consistently.
627 * convex.h, dsp16xx.c, fx80.md, gmicro.c, gmicro.md: Likewise.
628 * i370.h, i370.md, i860.c, i860.h, i860.md, i960.c: Likewise.
629 * i960.h, i960.md, m32r.md, m68k.md, m68kv4.h, m88k.c: Likewise.
630 * m88k.md, ns32k.c, ns32k.md, pdp11.c, pdp11.h, pdp11.md: Likewise.
631 * pyr.c, pyr.h, pyr.md, romp.c, romp.h, romp.md: Likewise.
632 * rs6000.md, sparc.c, sparc.h, sparc.md, spur.c, spur.md: Likewise.
633 * tahoe.md, vax.h, vax.md, we32k.c, we32k.h, we32k.md: Likewise.
636 Wed Apr 1 08:33:44 1998 Manfred Hollstein <manfred@s-direktnet.de>
638 * fixincludes (limits.h): Fix nested comments in Motorola's
639 limits.h and sys/limits.h.
641 Tue Mar 31 16:57:33 1998 Jim Wilson <wilson@cygnus.com>
643 * alpha.c (alpha_expand_unaligned_load): Use tgt instead of addr
644 as dest of expand_binop call.
646 * alpha.md (extzv): Correct check for valid operand[2] values.
648 * profile.c (branch_prob): Add code to recognize HPPA tablejump entry
651 * toplev.c (rest_of__compilation): Call init_recog_no_volatile at end.
653 Mon Mar 30 13:11:05 1998 Stan Cox <scox@cygnus.com>
655 * libgcc2.c: (__main, __do_global_dtors, __do_global_ctors):
656 For __CYGWIN32__ use the versions in winsup/dcrt0.cc.
658 * gcc.c, cccp.c, cpplib.c, collect2.c (GET_ENVIRONMENT): Added.
659 cygwin32 can override this to allow both unix and win32 style PATHs.
661 * i386/xm-cygwin32.h (GET_ENVIRONMENT): Defined to allow win32
662 style environment paths.
664 Mon Mar 30 14:43:20 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
666 * Makefile.in (cppalloc.o, cpperror.o, cppexp.o, cpphash.o,
667 cpplib.o, cppmain.o, fix-header.o, gcov.o, gen-protos.o,
668 gengenrtl.o, halfpic.o, hash.o, scan-decls.o, scan.o): Depend on
671 * cpphash.c: Include config.h.
672 * cppalloc.c: Include system.h. Add parameters to various
674 * cpperror.c: Likewise.
675 * cppexp.c: Likewise.
676 * cpphash.c: Likewise.
677 * cpplib.c: Likewise.
678 * cppmain.c: Likewise.
679 * fix-header.c: Likewise.
681 * gen-protos.c: Likewise.
682 * gengenrtl.c: Likewise.
683 * halfpic.c: Likewise.
685 * scan-decls.c: Likewise.
688 Mon Mar 30 11:06:45 1998 Jim Wilson <wilson@cygnus.com>
690 * README.gnat: Add lang_print_xnode definition.
692 Mon Mar 30 11:12:24 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
694 * config/m68k/m68k.c (standard_68881_constant_p): Don't use
695 fmovecr on the 68060.
697 Mon Mar 30 00:21:03 1998 Jeffrey A Law (law@cygnus.com)
699 * genemit.c (DONE): Rework so that it works in the true arm if
700 an if-else conditional.
703 Sun Mar 29 12:45:23 1998 Jeffrey A Law (law@cygnus.com)
705 * rs6000.c: Do not include stdioh or ctype.h anymore.
707 * Makefile.in (c-typeck.o): Delete on expr.h, insn-codes.h and
709 (stor-layout.o): Likewise.
710 * c-typeck.c: Include rtl.h and expr.h.
711 * stor-layout.c: Likewise.
713 * cpplib.c (cpp_file_line_for_message): Delete unused parameter.
715 (do_sccs): Wrap in an SCCS_DIRECTIVE ifdef.
716 * fix-header.c (cpp_file_line_for_message): Delete unused paramter.
719 * collect2.c (is_in_list): Wrap inside COLLECT_EXPORT_LIST ifdef.
721 * local-alloc.c (reg_classes_overlap_p): Delete dead function.
723 * tree.h (lang_print_xnode): Provide prototype.
725 Sat Mar 28 23:50:44 PST 1998 Jeff Law (law@cygnus.com)
727 * version.c: Bump for snapshot.
729 Sun Mar 29 00:42:21 1998 Jeffrey A Law (law@cygnus.com)
731 * objc/sendmsg.c (__objc_block_forward): Add braces for return
732 value if INVISIBLE_STRUCT_RETURN.
734 * pa.c (arith_double_operand): Fix parens.
736 * haifa-sched.c (print_pattern): Correct arg to sprintf.
738 * Makefile.in (libgcc1.null): Make return type for __foo void.
740 Sat Mar 28 14:37:20 1998 Jeffrey A Law (law@cygnus.com)
742 * pa.h: Add declarations for many functions defined in pa.c.
744 * genpeep.c (main): Remove unused variable 'i' from the generated
747 * genemit.c (gen_expand): Do not emit "_done" or "_fail" labels.
748 (gen_split): Likewise.
749 (main): Rework generated definitions of DONE and FAIL so that they
750 no longer use gotos. Avoids warnings about unused labels.
752 * integrate.c (copy_rtx_and_substitute): Rework to avoid need for
753 unused "junk" variable.
755 * genattrtab.c (write_complex_function): Add a default case in
756 generated switch statement to keep -W -Wall quiet.
758 Sat Mar 28 10:47:21 1998 Nick Clifton <nickc@cygnus.com>
760 * invoke.texi: Document more ARM and Thumb command line options.
762 * config/arm/xm-thumb.h: New file.
764 Sat Mar 28 01:37:33 1998 Craig Burley <burley@gnu.ai.mit.edu>
766 * stmt.c (expand_expr_stmt): Must generate code for
767 statements within an expression (gcc's `({ ... )}')
768 even if -fsyntax-only.
770 Sat Mar 28 01:06:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
771 Jeffrey A Law (law@cygnus.com)
773 * basic-block.h (basic_block_computed_jump_target): Declare.
774 * flags.h: (current_function_has_computed_jump): Declare.
775 * flow.c: (basic_block_computed_jump_target): Define.
776 (flow_analysis): Allocate it. Set current_function_has_computed_jump
778 (find_basic_blocks): Set current_function_has_computed_jump and
779 elements of basic_block_computed_jump_target to 1 as appropriate.
780 * function.c: (current_function_has_computed_jump): Define.
781 * global.c (global_conflicts): Don't allocate pseudos into stack regs
782 at the start of a block that is reachable by a computed jump.
783 * reg-stack.c (stack_reg_life_analysis): If must restart, do so
785 (subst_stack_regs): Undo change from Sep 4 1997.
786 (uses_reg_or_mem): Now unused, deleted.
787 * stupid.c (stupid_life_analysis): Compute
788 current_function_has_computed_jump.
789 (stupid_find_reg): Don't allocate stack regs if the function has a
791 * haifa-sched.c (is_cfg_nonregular): Delete code to determine if
792 the current function has a computed jump. Use the global value
795 Sat Mar 28 00:21:37 1998 Jeffrey A Law (law@cygnus.com)
797 * i386/freebsd.h (CPP_PREDEFINES): Remove __386BSD__.
798 (DWARF2_UNWIND_INFO): Define to zero.
800 Fri Mar 27 16:04:49 1998 Michael Meissner <meissner@cygnus.com>
802 * gcc.c (set_std_prefix): Add declaration.
803 (process_command): If GCC_EXEC_PREFIX is set, remove /lib/gcc-lib/
804 suffix, and update the standard prefix prefix.c uses.
806 * prefix.c (std_prefix): New global to hold default prefix value.
807 (get_key_value): Change to use std_prefix instead of PREFIX.
808 (translate_name): Ditto.
809 (update_path): Ditto.
810 (get_key_value): Release allocated scratch storage.
811 (set_std_prefix): New function to reset the standard prefix.
813 Fri Mar 27 18:08:21 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
815 * sh.c (find_barrier): Fix calculations for alignment increase.
817 Fri Mar 27 08:56:52 1998 Manfred Hollstein <manfred@s-direktnet.de>
819 * Makefile.in (stmp-fixinc): If we're actually fixing include
820 files, copy gcc's assert.h into the fixed include dir.
821 * fixincludes (assert.h): Avoid any attempts to fix a probably
822 broken system specific assert.h file.
823 * fixproto (stdlib.h): Make sure, it'll contain a definition of
826 Fri Mar 27 00:49:46 1998 Jeffrey A Law (law@cygnus.com)
828 * regclass.c (reg_scan_mark_refs): Be more selective about
829 when we mark a register with REGNO_POINTER_FLAG.
831 Thu Mar 26 23:00:11 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
833 reload inheritance improvement:
834 * reload1.c (reg_reloaded_contents, reg_reloaded_insn):
835 Change meaning: index is now hard reg number.
836 (reg_reloaded_valid, reg_reloaded_dead): New variables.
837 (reload_spill_index): Content is now a hard reg number.
838 (reload_as_needed): Change to fit new variable meaning.
839 (forget_old_reloads_1, allocate_reload_reg): Likewise.
840 (choose_reload_regs, emit_reload_insns): Likewise.
842 Thu Mar 26 18:34:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
844 * regclass.c (record_reg_classes): '?' increases cost by two.
846 * reload.c (find_reloads): Double previous costs. Output
847 reloads cost one unit extra.
849 * reload1.c (eliminate_regs): Delete LOAD_EXTENDED_OP code that
850 boiled down to && ! 0.
852 * reload.c (find_equiv_reg): Also consider a goal offset from the
853 frame pointer to be constant.
855 Thu Mar 26 17:34:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
857 * sh.h (OPTIMIZATION_OPTIONS): Define.
859 Thu Mar 26 00:19:47 1998 Richard Henderson <rth@cygnus.com>
861 * combine.c (make_compound_operation): Simplify (subreg (*_extend) 0).
863 Wed Mar 25 23:53:11 1998 Jeffrey A Law (law@cygnus.com)
865 * pa.c (pa_adjust_cost): Avoid redundant calls to get_attr_type.
867 Wed Mar 25 13:40:48 1998 Jim Wilson <wilson@cygnus.com>
869 * c-common.c (check_format_info): Initialize type, is_type. New local
870 integral_format. Don't warn for 'L' when pedantic. Do warn for 'L'
871 when pedantic if used with integral format specifier.
873 Wed Mar 25 16:09:01 1998 Michael Meissner <meissner@cygnus.com>
875 * rs6000.h (FUNCTION_ARG_PADDING): Cast result to be enum
877 (function_arg_padding): Declare.
879 * rs6000.c: Include system.h.
880 (function_arg_padding): Change return type to int, cast enum's to
883 (From Kaveh R. Ghazi <ghazi@caip.rutgers.edu>)
884 * collect2.c (scan_prog_file): Add explicit braces to avoid
887 * dbxout.c (dbxout_type_fields): Add braces around empty body in
889 (dbxout_type): Likewise.
891 * rs6000.c (rs6000_override_options): Change type of `i', `j' and
892 `ptt_size' from int to size_t.
893 (rs6000_file_start): Likewise for `i'.
894 (rs6000_replace_regno): Add default case in enumeration switch.
895 (output_epilog): Remove unused variable `i'.
896 (rs6000_longcall_ref): Remove unused variables `len', `p', `reg1'
899 * rs6000.h (ADDITIONAL_REGISTER_NAMES): Add missing braces around
901 (get_issue_rate, non_logical_cint_operand): Add prototype.
902 (rs6000_output_load_toc_table): Ditto.
904 * rs6000.md (udivmodsi4): Add explicit braces to avoid ambiguous
907 Wed Mar 25 10:05:19 1998 Nick Clifton <nickc@cygnus.com>
909 * config/arm/thumb.c: New File. Support for ARM's Thumb
911 * config/arm/thumb.h: New File. Thumb definitions.
912 * config/arm/thumb.md: New File. Thumb machine description.
913 * config/arm/tcoff.h: New File. Thumb COFF support.
914 * config/arm/t-thumb: New File. Thumb makefile fragment.
915 * config/arm/lib1thumb.asm: New File. Thumb libgcc support functions.
917 * configure.in: Add Thumb-coff target.
918 * configure: Add Thumb-coff target.
919 * config.sub: Add Thumb-coff target.
921 Wed Mar 25 10:30:32 1998 Jim Wilson <wilson@cygnus.com>
923 * loop.c (scan_loop): Initialize move_insn_first to zero.
925 Wed Mar 25 01:06:49 1998 Joel Sherrill (joel@OARcorp.com)
927 * config/i386/go32-rtems.h: Defined TARGET_MEM_FUNCTIONS.
928 * config/i386/rtems.h: Likewise.
929 * config/i960/rtems.h: Likewise.
930 * config/m68k/rtems.h: Likewise.
931 * config/mips/rtems64.h: Likewise.
932 * config/pa/rtems.h: Likewise.
933 * config/rs6000/rtems.h: Likewise.
934 * config/sh/rtems.h: Likewise.
935 * config/sparc/rtems.h: Likewise.
937 Wed Mar 25 00:57:26 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
939 * pa.c (emit_move_sequence): If in reload, call find_replacement.
941 Tue Mar 24 10:44:11 1998 Nick Clifton <nickc@cygnus.com>
943 * Makefile.in (gcov$(exeext)): Support .exe extension to gcov.
945 * collect2.c (find_a_file): Add debugging.
946 (find_a_file): Test for win32 style absolute paths if
947 DIR_SERPARATOR is defined.
948 (prefix_from_string): Add debugging.
949 (main): Test for debug command line switch at start of program
951 (main): Use GET_ENVIRONMENT rather than getenv().
952 (prefix_from_env): Use GET_ENVIRONMENT.
954 1998-03-24 Mark Mitchell <mmitchell@usa.net>
956 * cplus-dem.c (optable): Add sizeof.
957 (demangle_template_value_parm): New function containing code
958 previously found in demangle_template.
959 (demangle_integral_value): New function which handles complicated
960 integral expressions.
961 (demangle_template): Use them.
963 Tue Mar 24 12:13:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
965 * Makefile.in (genconfig.o, genflags.o, gencodes.o, genemit.o,
966 genopinit.o, genrecog.o, genextract.o, genpeep.o, genattr.o,
967 genattrtab.o, genoutput.o): Depend on system.h.
969 * genattr.c: Include system.h. Add arguments to various function
970 prototypes. Remove redundant prototype of read_rtx().
971 * genattrtab.c: Likewise.
972 * gencodes.c: Likewise.
973 * genconfig.c: Likewise.
974 * genemit.c: Likewise.
975 * genextract.c: Likewise.
976 * genflags.c: Likewise.
977 * genopinit.c: Likewise.
978 * genoutput.c: Likewise.
979 * genpeep.c: Likewise.
980 * genrecog.c: Likewise.
982 1998-03-24 Martin von Loewis <loewis@informatik.hu-berlin.de>
984 * c-lang.c (lang_print_xnode): New function.
985 * objc/objc-act.c (lang_print_xnode): Likewise.
986 * print-tree.c (print_node): Call it
988 Mon Mar 23 23:59:11 1998 H.J. Lu (hjl@gnu.org)
990 * c-parse.in: Recognize protocol qualifiers in class
991 definitions for objc.
993 (yyerror): Remove redundant decl.
994 (yyprint): Fix prototype.
996 Mon Mar 23 23:49:47 1998 Jeffrey A Law (law@cygnus.com)
998 * cse.c (rtx_cost): Only call CONST_COSTS if it is defined.
1000 * stmt.c (unroll_block_trees): Free block_vector if needed.
1002 Mon Mar 23 23:26:42 1998 Philippe De Muyter <phdm@macqel.be>
1004 * m68k/m68k.md (zero_extendqidi2, zero_extendhidi2): New patterns.
1005 (zero_extendsidi2): Avoid useless copy.
1006 (iordi_zext): New pattern.
1007 (iorsi_zexthi_ashl16): Pattern reworked to avoid "0" constraint for
1009 (iorsi_zext): New name for old unnamed pattern; indentation fixes.
1011 * m68k/m68k.md (ashldi_const): Allow shift count in range ]32,63].
1012 (ashldi3): Allow constant shift count in range ]32,63].
1013 (ashrdi_const, ashrid3, lshrdi_const, lshrdi3): Likewise.
1015 1998-03-22 Mark Mitchell <mmitchell@usa.net>
1017 * tree.h (IS_EXPR_CODE_CLASS): New macro.
1019 Mon Mar 23 23:18:48 1998 Jeffrey A Law (law@cygnus.com)
1021 * h8300.h (CONST_COSTS): Remove definition.
1022 (DEFAULT_RTX_COSTS): Define.
1024 Mon Mar 23 22:58:22 1998 Joel Sherrill (joel@OARcorp.com)
1026 * config/sh/rtems.h: Switched from ELF to COFF.
1028 Mon Mar 23 14:14:20 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1030 * freebsd.h (ASM_OUTPUT_ALIGN): Redefine.
1032 Sat Mar 21 23:52:56 PST 1998 Jeff Law (law@cygnus.com)
1034 * version.c: Bump for snapshot.
1036 Sun Mar 22 00:50:42 1998 Nick Clifton <nickc@cygnus.com>
1037 Geoff Noer <noer@cygnus.com>
1039 * Makefile.in: Various fixes for building cygwin32 native toolchains.
1041 * objc/Makefile.in: Various fixes for building cygwin32 native toolchains.
1042 * objc/Make-lang.in: Likewise.
1044 * config/i386/xm-cygwin32.h (PATH_SEPARATOR): Set to a semi-colon.
1046 Sun Mar 22 00:21:46 1998 R. Ganesan <rganesan@novell.com>
1048 * configure.in: Handle with-PACKAGE=no correctly
1050 Fri Mar 20 17:36:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1052 * Makefile.in (alias.o, bitmap.o, c-aux-info.o, c-common.o,
1053 c-decl.o, c-iterate.o, c-lang.o, c-lex.o, c-pragma.o, c-typeck.o,
1054 caller-save.o, calls.o, collect2.o, combine.o, cse.o, dbxout.o,
1055 dwarf2out.o, dwarfout.o, emit-rtl.o, except.o, explow.o, expmed.o,
1056 expr.o, final.o, flow.o, function.o, getpwd.o, global.o,
1057 integrate.o, jump.o, local-alloc.o, loop.o, optabs.o, pexecute.o,
1058 prefix.o, print-rtl.o, print-tree.o, profile.o, real.o, recog.o,
1059 reg-stack.o, regclass.o, regmove.o, reload.o, reload1.o, reorg.o,
1060 rtl.o, rtlanal.o, sdbout.o, stmt.o, stor-layout.o, stupid.o,
1061 tlink.o, toplev.o, tree.o, unroll.o, varasm.o, xcoffout.o): Depend
1064 * alias.c, bitmap.c, c-aux-info.c, c-common.c, c-decl.c,
1065 c-iterate.c, c-lang.c, c-lex.c, c-pragma.c, c-typeck.c,
1066 caller-save.c, calls.c, collect2.c, combine.c, cse.c, dbxout.c,
1067 dwarf2out.c, dwarfout.c, emit-rtl.c, except.c, explow.c, expmed.c,
1068 expr.c, final.c, flow.c, function.c, gcc.c, getpwd.c, global.c,
1069 integrate.c, jump.c, local-alloc.c, loop.c, optabs.c, pexecute.c,
1070 prefix.c, print-rtl.c, print-tree.c, profile.c, real.c, recog.c,
1071 reg-stack.c, regclass.c, regmove.c, reload.c, reload1.c, reorg.c,
1072 rtl.c, rtlanal.c, sched.c, sdbout.c, stmt.c, stor-layout.c,
1073 stupid.c, tlink.c, toplev.c, tree.c, unroll.c, varasm.c,
1074 xcoffout.c: Include system.h. Organize include ordering so
1075 that stdarg/varargs comes before other system headers. Remove
1076 spurious casts of functions assured of a prototype in system.h.
1078 Fri Mar 20 11:19:40 1998 Stan Cox <scox@equinox.cygnus.com>
1080 * reg-stack.c (pop_stack): Define. Pops any register on the
1081 regstack and adjusts regstack.
1082 (compare_for_stack_reg): Use pop_stack.
1084 Thu Mar 19 23:51:01 1998 Jeffrey A Law (law@cygnus.com)
1086 * configure.in (hppa1.0-hp-hpux10): Handle threads for this
1089 Thu Mar 19 20:30:31 1998 Philippe De Muyter <phdm@macqel.be>
1091 * libgcc2.c (exit): Do not call __bb_exit_func if HAVE_ATEXIT.
1093 * fold-const.c (fold): Replace sign-extension of a zero extended
1094 value by a single zero extension.
1096 Thu Mar 19 00:58:07 1998 Jason Merrill <jason@yorick.cygnus.com>
1098 * except.c (init_eh): Do nothing.
1099 (save_eh_status): Call init_eh_for_function, not init_eh.
1100 * function.c (push_function_context_to): Don't call init_emit.
1102 Thu Mar 19 13:39:52 1998 Michael Meissner <meissner@cygnus.com>
1104 * rs6000/sysv4.h (RELATIVE_PREFIX_NOT_LINKDIR): Undef for System V
1107 Thu Mar 19 10:10:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1109 * final.c (shorten_branches): Add parentheses around +/- in
1112 * flow.c (life_analysis): Wrap variable `i' in macro ELIMINABLE_REGS.
1114 Thu Mar 19 09:15:17 1998 Manfred Hollstein <manfred@s-direktnet.de>
1116 * regclass.c (memory_move_secondary_cost): Wrap uses of
1117 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS
1120 Thu Mar 19 09:06:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
1122 * config/m68k/m68k.md (addqi3): Fix typo gen_INT vs. GEN_INT.
1124 * flow.c (life_analysis): #include <sys/types.h> to make sure
1126 * cplus-dem.c (demangle_function_name): Likewise.
1128 Thu Mar 19 09:00:01 1998 Manfred Hollstein <manfred@s-direktnet.de>
1130 * final.c (insn_noperands): Change type to unsigned int.
1131 (final_scan_insn): Likewise for noperands;
1132 properly check operand number boundaries.
1134 Wed Mar 18 16:20:30 1998 Richard Henderson <rth@cygnus.com>
1136 * alpha.md (extzv): Don't reject register operands. Fix
1139 Wed Mar 18 16:14:23 1998 Richard Henderson <rth@cygnus.com>
1141 * dbxout.c (dbxout_function_end): Fix last change. The correct
1142 predicate is ASM_OUTPUT_SECTION_NAME.
1144 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
1146 * sh.md (ashlsi_c-1): Delete 3rd argument to gen_ashlsi_c.
1147 (ashlsi): Use match_dup 1 instead of match_operand 2.
1149 Wed Mar 18 13:46:07 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1151 * fold-const.c (operand_equal_for_comparison_p): See if equal
1152 when nop conversions are removed.
1154 Wed Mar 18 13:42:01 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1156 * expr.c (expand_expr, case COND_EXPR): If have conditional move,
1157 don't use ORIGINAL_TARGET unless REG.
1159 Wed Mar 18 16:53:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1161 * netbsd.h (ASM_OUTPUT_ALIGN): Redefine.
1163 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
1165 * loop.c (struct movable): New field move_insn_first.
1166 (scan_loop): In consec sets code, set it. Clear it otherwise.
1167 (move_movables): In consec sets code, use it. Copy REG_NOTES from
1168 p to i1 only if i1 does not have REG_NOTES. Delete obsolete ifdefed
1171 Wed Mar 18 09:52:56 1998 Richard Henderson <rth@cygnus.com>
1173 * rtl.c (read_rtx): Fall back on homebrew atoll if HOST_WIDE_INT
1174 is large, and the system doesn't provide atoll or atoq.
1177 * alpha/xm-vms.h (HAVE_ATOLL): Define.
1178 Reported by Klaus Kaempf <kkaempf@progis.de>.
1180 Wed Mar 18 09:56:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1182 * c-lang.c (finish_file): Wrap variable `void_list_node' with macro
1183 test !ASM_OUTPUT_CONSTRUCTOR || !ASM_OUTPUT_DESTRUCTOR.
1185 * calls.c (emit_call_1): Wrap variable `already_popped' with macro
1186 test !ACCUMULATE_OUTGOING_ARGS.
1188 * collect2.c (write_c_file_glob): Wrap function definition in
1189 macro test !LD_INIT_SWITCH.
1191 * combine.c (try_combine): Wrap variables `cc_use' and
1192 `compare_mode' in macro test EXTRA_CC_MODES.
1194 * cpplib.c (do_ident): Remove unused variable `len'.
1195 (skip_if_group): Remove unused variables `at_beg_of_line' and
1197 (cpp_get_token): Remove unused variable `dummy'.
1199 * dbxout.c (scope_labelno): Move static variable definition inside
1200 the one function scope where it is used.
1201 (dbxout_function_end): Wrap prototype and definition in
1202 macro test !NO_DBX_FUNCTION_END.
1204 * dwarf2out.c (add_subscript_info): Wrap variable `dimension_number'
1205 in macro test !MIPS_DEBUGGING_INFO.
1207 * expr.c (expand_builtin_setjmp): Move declaration of variable `i'
1208 into the scope where it is used. Wrap empty else-statement body
1211 * fix-header.c: Fix typo in comment.
1212 (inf_skip_spaces): Cast results of INF_UNGET to (void).
1213 (check_protection, main): Likewise.
1215 * flow.c (find_basic_blocks_1): Remove dangling comment text.
1217 * function.c (contains): Wrap prototype and definition in macro
1218 test HAVE_prologue || HAVE_epilogue.
1219 (fixup_var_refs_1): Remove unused variable `width'.
1221 * gen-protos.c (main): Remove unused variable `optr'.
1223 * haifa-sched.c (debug_control_flow): Remove unused variable `j'.
1225 * libgcc2.c (__udiv_w_sdiv): Provide dummy return value of 0.
1226 (__sjpopnthrow): Remove unused variable `jmpbuf'.
1227 (__throw): Remove unused variable `val'.
1229 * protoize.c: Check for a previously existing definition before
1230 defining *_OK macros.
1232 * scan-decls.c (scan_decls): Remove unused variable `old_written'.
1234 Tue Mar 17 00:45:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1236 * vax.h (ADDR_VEC_ALIGN): Define.
1238 Mon Mar 16 15:57:17 1998 Michael Meissner <meissner@cygnus.com>
1240 * gcc.c (default_arg): Don't wander off the end of allocated
1243 (From Geoffrey Keating <geoffk@ozemail.com.au>)
1244 * rs6000.c (small_data_operand): Ensure that any address
1245 referenced relative to the small data area is inside the SDA.
1247 Mon Mar 16 12:55:15 1998 Jim Wilson <wilson@cygnus.com>
1249 * config/m68k/netbsd.h (ASM_SPEC): Add %{m68060}.
1251 Mon Mar 16 15:50:20 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1253 * except.h (in_same_eh_region): New prototype.
1254 (free_insn_eh_region, init_insn_eh_region): New prototypes.
1255 * except.c (insn_eh_region, maximum_uid): New static variables.
1256 (set_insn_eh_region): New static function to set region numbers.
1257 (free_insn_eh_region): New function to free EH region table.
1258 (init_insn_eh_region): New function to initialize EH region table.
1259 (in_same_eh_region): New function used to determine if two rtl
1260 instructions are in the same exception region or not.
1261 * final.c (final): Initialize the table indicating which instructions
1262 belong in which exception region.
1263 * genpeep.c (main): Add "except.h" to include file list in generated
1265 * config/sparc/sparc.md: Add calls to 'in_same_eh_region' in 4
1266 peepholes involving calls and unconditional branches.
1268 Mon Mar 16 11:16:50 1998 Jim Wilson <wilson@cygnus.com>
1270 * README.gnat: New file.
1272 Mon Mar 16 11:14:20 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1274 * config/m68k/m68k.c: Include <stdlib.h> for atoi. Include
1275 "recog.h" for offsettable_memref_p.
1276 (legitimize_pic_address): Remove unused variable `offset'.
1277 (notice_update_cc): Change return type to void. Add default label
1279 (standard_68881_constant_p): Remove unused variable mode.
1280 (print_operand): Define local variable i only if SUPPORT_SUN_FPA.
1281 (const_int_cost): Explicitly declare as returning int.
1282 (output_dbcc_and_branch): Change return type to void.
1284 * config/m68k/linux.h, config/m68k/m68k.md, config/m68k/m68k.c,
1285 config/m68k/m68k.h: Replace gen_rtx (XXX, ...) with gen_rtx_XXX
1286 (...). Use GEN_INT instead of gen_rtx_CONST_INT.
1288 Sun Mar 15 22:30:44 PST 1998 Jeff Law (law@cygnus.com)
1290 * version.c: Bump for snapshot.
1292 Fri Mar 13 11:30:12 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1294 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Fix logic in range
1295 check for 'M' constraint.
1297 Thu Mar 12 14:47:14 1998 Jim Wilson <wilson@cygnus.com>
1299 * cccp.c (create_definition): If pedantic, call pedwarn for macro
1302 Thu Mar 12 13:43:25 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1304 * i386.c (ix86_logical_operator): New function.
1305 (split_di): Ensure that when a MEM is split, the resulting MEMs have
1307 * i386.md (anddi3, xordi3, iordi3): New patterns. Add a define_split
1310 Thu Mar 12 15:13:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1311 Richard Earnshaw <rearnsha@arm.com>
1312 Nick Clifton <nickc@cygnus.com>
1314 * tm.texi (DEFAULT_RTX_COSTS): Document new macro.
1316 * arm.h (DEFAULT_RTX_COSTS): Define instead of RTX_COSTS.
1318 * cse.c (rtx_cost): Provide a default case in an enumeration
1319 switch, and call DEFAULT_RTX_COSTS if it's defined.
1321 Thu Mar 12 10:02:38 1998 Manfred Hollstein <manfred@s-direktnet.de>
1323 * basic-block.h (compute_preds_succs): Change return type in
1325 * flow.c (compute_preds_succs): Likewise in function definition.
1327 * regmove.c (find_matches): Cast char used as array index to unsigned char
1330 Thu Mar 12 09:39:40 1998 Manfred Hollstein <manfred@s-direktnet.de>
1332 * i386.h (RTX_COSTS): Insert braces around nested if.
1333 (ADDITIONAL_REGISTER_NAMES): Insert braces around structured
1336 * gcc.c (default_compilers): Properly put brackets around array elements in
1339 * getopt.c (_getopt_internal): Add explicit braces around nested if;
1342 * reg-stack.c (record_asm_reg_life): Add explicit braces around nested if's.
1343 (record_reg_life_pat): Add explicit parens around && and || in expression.
1344 (stack_reg_life_analysis): Add parens around assignment used as expression.
1345 (convert_regs): Likewise.
1347 Thu Mar 12 09:25:29 1998 Manfred Hollstein <manfred@s-direktnet.de>
1349 * bitmap.c (bitmap_element_allocate): Remove unused parameter;
1350 change callers accordingly.
1352 * cplus-dem.c (arm_special): Remove unused parameter work in prototype
1353 and definition; change all callers accordingly.
1355 * except.c (init_eh): Avoid assignment of unused return value of
1356 build_pointer_type; cast it to void, instead, and remove unused
1359 * gcc.c (lang_specific_driver): Define prototype only #ifdef
1360 LANG_SPECIFIC_DRIVER.
1361 (temp_names): Define only #ifdef MKTEMP_EACH_FILE.
1363 * genoutput.c (output_epilogue): Initialize next_name to 0.
1365 * real.c (efrexp): #if 0 prototype and function definition.
1366 (eremain): Likewise.
1373 * reload.c (push_secondary_reload): Define prototype only
1374 #ifdef HAVE_SECONDARY_RELOADS.
1376 * varasm.c (assemble_static_space): Define rounded only
1377 #ifndef ASM_OUTPUT_ALIGNED_LOCAL.
1379 Thu Mar 12 09:11:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
1381 * i386.md (andsi): Add default case in enumeration switch.
1386 Thu Mar 12 08:37:02 1998 Manfred Hollstein <manfred@s-direktnet.de>
1388 * c-decl (finish_struct): Change type of min_align to unsigned.
1390 * cplus-dem.c (demangle_function_name): Change type of variable i to size_t;
1391 remove unused variable len.
1393 * dwarf2out.c (reg_save): Add explicit cast of -1 to unsigned and a
1394 comment indicating this is proper behaviour.
1395 (reg_loc_descriptor): Remove redundant comparison of unsigned variable
1397 (based_loc_descr): Likewise.
1399 * enquire.c (bitpattern): Change type of variable i to unsigned.
1401 * final.c (output_asm_insn): Don't cast insn_noperands to unsigned.
1403 * flow.c (life_analysis): Change type of variable i to size_t;
1404 remove unused variable insn.
1406 * gcc.c (translate_options): Change type of variables optlen, arglen and
1408 (input_filename_length): Change type to size_t.
1409 (do_spec_1): Change type of variable bufsize to size_t.
1410 (main): Change type of variables i and j to size_t;
1411 remove subblock local definition of variable i.
1412 (lookup_compiler): Change type of second argument to size_t;
1413 change type of variable i to size_t.
1415 * genemit.c (output_init_mov_optab): Change type of variable i to size_t.
1417 * genopinit.c (get_insn): Change type of variable pindex to size_t.
1419 * genrecog.c (add_to_sequence): Change type of variable i to size_t.
1421 * global.c (global_alloc): Change type of variable i to size_t.
1423 * regclass.c (init_reg_sets): Change type of variables i and j to unsigned.
1425 * stmt.c (expand_end_bindings): Change type of variable i to size_t.
1426 (expand_end_case): Change type of variable count to size_t.
1428 * toplev.c (main): Change type of variable j to size_t.
1429 (set_target_switch): Change type of variable j to size_t.
1430 (print_switch_values): Change type of variable j to size_t;
1431 remove unused variable flags.
1433 * varasm.c (assemble_variable): Change type of variable align to size_t.
1434 (const_hash_rtx): Change type of variable i to size_t.
1436 1998-03-11 Mark Mitchell <mmitchell@usa.net>
1438 * dbxout.c (dbxout_type_methods): Only treat TYPE_METHODS as a
1439 TREE_VEC if that's what it really is.
1441 Wed Mar 11 15:16:01 1998 Michael Meissner <meissner@cygnus.com>
1443 * {haifa-,}sched.c (rank_for_schedule): Only take void * arguments
1446 Wed Mar 11 12:05:20 1998 Teemu Torma <tot@trema.com>
1448 * gthr.h: Changed the comment about return values.
1449 * gthr-solaris.h (__gthread_once): Do not use errno; return the
1450 error number instead of -1.
1451 (__gthread_key_create): Any non-zero return value is an error.
1452 * libgcc2.c (eh_context_initialize): Check for non-zero return
1453 value from __gthread_once.
1454 Check that the value of get_eh_context was really changed.
1456 Wed Mar 11 18:26:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1458 * sh.h (LOOP_ALIGN): Only align when optimizing.
1459 * sh.c (find_barrier): Clear inc for CODE_LABELs.
1460 When not optimizing, calculate alignment for BARRIERs directly.
1462 Wed Mar 11 15:07:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1464 * final.c (shorten_branches): Remove conditionalizing on
1465 SHORTEN_WITH_ADJUST_INSN_LENGTH
1466 * sh.h, pa.h (SHORTEN_WITH_ADJUST_INSN_LENGTH): Remove.
1468 Wed Mar 11 02:37:41 1998 Jeffrey A Law (law@cygnus.com)
1470 * flow.c (find_basic_blocks_1): Keep the cfg accurate when removing
1471 an unconditional jump around deleted blocks.
1473 Mon Mar 9 12:02:23 1998 Jim Wilson <wilson@cygnus.com>
1475 * profile.c (branch_prob): If see computed goto, call fatal instead of
1478 * config/mips/sni-svr4.h (CPP_PREDEFINE): Add -DSNI and -Dsinix.
1480 * configure.in (alpha-dec-osf): Add default case for osf* to switch.
1481 Patch from Bruno Haible.
1483 * function.c (put_reg_into_stack): Copy MEM_IN_STRUCT_P from new.
1484 (assign_parms): Set aggregate if hide_last_arg and last_named.
1486 Mon Mar 9 19:57:56 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1488 * final.c (shorten_branches): Initialize insn_addresses.
1490 Mon Mar 9 14:10:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1492 * sh.h (MUST_PASS_IN_STACK): Define.
1494 Sun Mar 8 13:01:56 1998 Jeffrey A Law (law@cygnus.com)
1496 * final.c (shorten_branches): Fix minor logic error in
1497 ADDR_DIFF_VEC shortening support.
1499 Sun Mar 8 02:17:42 PST 1998 Jeff Law (law@cygnus.com)
1501 * version.c: Bump for snapshot.
1503 Sat Mar 7 00:54:15 1998 Jeffrey A Law (law@cygnus.com)
1505 * haifa-sched.c (is_cfg_nonregular): Change return type to
1506 an int. No longer compute "estimated" number of edges. Use
1507 computed_jump_p instead of duplicating the code. Fixup/add
1509 (build_control_flow): Returns a value indicating an irregularity
1510 in the cfg was detected. Count the number of edges in the cfg.
1511 allocate various edge tables.
1512 (find_rgns): No longer look for unreachable blocks.
1513 (schedule_insns): Do not allocate memory for edge tables here.
1514 Free memory for edge tables before returning. Do not perform
1515 cross block scheduling if build_control_flow returns nonzero.
1516 * flow.c (compute_preds_succs): More accurately determine when
1519 * basic-block.h (free_basic_block_vargs): Provide prototype.
1521 * cccp.c (main): Fix dumb mistakes in last change.
1523 Fri Mar 6 21:28:45 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1525 * rtl.h (addr_diff_vec_flags): New typedef.
1526 (union rtunion_def): New member rt_addr_diff_vec_flags.
1527 (ADDR_DIFF_VEC_FLAGS): New macro.
1529 * sh.c (output_branch): Fix offset overflow problems.
1531 * final.c (shorten_branches): Implement CASE_VECTOR_SHORTEN_MODE.
1532 (final_scan_insn): New argument BODY for ASM_OUTPUT_ADDR_DIFF_ELT.
1533 * rtl.def (ADDR_DIFF_VEC): Three new fields (min, max and flags).
1534 * stmt.c (expand_end_case): Supply new arguments to
1535 gen_rtx_ADDR_DIFF_VEC.
1536 * 1750a.h (ASM_OUTPUT_ADDR_DIFF_ELT): New argument BODY.
1537 * alpha.h, arc.h, clipper.h, convex.h : Likewise.
1538 * dsp16xx.h, elxsi.h, fx80.h, gmicro.h, h8300.h : Likewise.
1539 * i370.h, i386.h, i860.h, i960.h, m32r.h, m68k.h, m88k.h : Likewise.
1540 * mips.h, mn10200.h, mn10300.h, ns32k.h, pa.h, pyr.h : Likewise.
1541 * rs6000.h, sh.h, sparc.h, spur.h, tahoe.h, v850.h : Likewise.
1542 * vax.h, we32k.h, alpha/vms.h, arm/aof.h, arm/aout.h : Likewise.
1543 * i386/386bsd.h, i386/freebsd-elf.h : Likewise.
1544 * i386/freebsd.h, i386/linux.h : Likewise.
1545 * i386/netbsd.h, i386/osfrose.h, i386/ptx4-i.h, i386/sco5.h : Likewise.
1546 * i386/sysv4.h, m68k/3b1.h, m68k/dpx2.h, m68k/hp320.h : Likewise.
1547 * m68k/mot3300.h, m68k/sgs.h : Likewise.
1548 * m68k/tower-as.h, ns32k/encore.h, sparc/pbd.h : Likewise.
1549 * sh.h (INSN_ALIGN, INSN_LENGTH_ALIGNMENT): Define.
1550 (CASE_VECTOR_SHORTEN_MODE): Define.
1551 (short_cbranch_p, align_length, addr_diff_vec_adjust): Don't declare.
1552 (med_branch_p, braf_branch_p): Don't declare.
1553 (mdep_reorg_phase, barrier_align): Declare.
1554 (ADJUST_INSN_LENGTH): Remove alignment handling.
1555 * sh.c (uid_align, uid_align_max): Deleted.
1556 (max_uid_before_fixup_addr_diff_vecs, branch_offset): Deleted.
1557 (short_cbranch_p, med_branch_p, braf_branch_p, align_length): Deleted.
1558 (cache_align_p, fixup_aligns, addr_diff_vec_adjust): Deleted.
1559 (output_far_jump): Don't use braf_branch_p.
1560 (output_branchy_insn): Don't use branch_offset.
1561 (find_barrier): Remove checks for max_uid_before_fixup_addr_diff_vecs.
1562 Remove paired barrier stuff.
1563 Don't use cache_align_p.
1564 Take alignment insns into account.
1565 (fixup_addr_diff_vecs): Reduce to only fixing up the base label of
1567 (barrier_align, branch_dest): New function.
1568 (machine_dependent_reorg, split_branches): Remove infrastructure
1569 for branch shortening that is now provided in the backend.
1570 * sh.md (short_cbranch_p, med_branch_p, med_cbranch_p): New attributes.
1571 (braf_branch_p, braf_cbranch_p): Likewise.
1572 (attribute length): Use new attributes.
1573 (casesi_worker): Get mode and unsignednedd from ADDR_DIFF_VEC.
1574 (addr_diff_vec_adjust): Delete.
1575 (align_2): Now a define_expand.
1576 (align_log): Now length 0.
1578 Fri Mar 6 14:41:33 1998 Michael Meissner <meissner@cygnus.com>
1580 * m32r.md (right): Correctly check for length == 2, not 1.
1582 Fri Mar 6 14:00:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1584 * mips/mips.h: Prototype `machine_dependent_reorg'.
1585 (ASM_OUTPUT_ALIGN): Remove unused variable `mask'.
1587 Fri Mar 6 11:43:35 1998 Joern Rennecke (amylaar@cygnus.co.uk)
1589 * final.c (shorten_branches): Restore accidentally removed code.
1591 Fri Mar 6 11:00:49 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1593 * configure.in: Remove duplicate uses of AC_PROG_CC and
1596 Fri Mar 6 00:59:30 1998 Richard Henderson <rth@cygnus.com>
1598 * configure.in (target_cpu_default2): Correct typo for alphapca56.
1600 Thu Mar 5 23:24:50 1998 Jeffrey A Law (law@cygnus.com)
1601 Doug Evans (devans@cygnus.com)
1603 * haifa-sched.c (build_jmp_edges): Delete dead function.
1604 (build_control_flow): Use cfg routines from flow.c
1605 (schedule_insns): Remove debugging code accidentally checked
1608 * basic-block.h: Add external integer list structures, typdefs,
1609 accessor macros and function declarations. Simlarly for
1610 basic block pred/succ support and simple bitmap stuff.
1611 * flow.c: Add functions for integer list, basic block pred/succ
1612 support and simple bitmap support.
1613 (compute_dominators): New function to compute dominators and
1615 (find_basic_blocks): Split into two functions.
1616 (life_analysis): Likewise.
1617 (flow_analysis): Removed. Now handled by calling find_basic_blocks,
1618 the life_analysis from toplev.c
1619 * toplev.c (rest_of_compilation): Call find_basic_blocks, then
1620 life_analysis instead of flow_analysis.
1622 Thu Mar 5 23:06:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1624 * jump.c (jump_optimize): Call mark_jump_label also for deleted
1626 (mark_jump_label): Don't increment ref counts for deleted insns.
1628 Thu Mar 5 09:55:15 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1630 * mips/iris6.h (TARGET_DEFAULT): Parenthesize macro definition.
1632 * mips/mips.c: Include stdlib.h and unistd.h.
1633 (mips_asm_file_end): Add braces around empty body in an if-statement.
1634 (function_prologue): Wrap variable `fnname' in
1635 !FUNCTION_NAME_ALREADY_DECLARED. Correct format specifier in fprintf.
1636 (mips_select_rtx_section, mips_select_section): Declare as void.
1638 * mips/mips.h: Add prototypes for extern functions in mips.c.
1639 (FUNCTION_ARG_REGNO_P): Add parentheses around && within ||.
1640 (ENCODE_SECTION_INFO): Add braces around empty body in an
1643 * mips/mips.md (movdi): Add parentheses around && within ||.
1644 (movsf, movdf): Likewise.
1645 (branch_zero, branch_zero_di): Add default case in
1649 Thu Mar 5 02:45:48 1998 Richard Henderson <rth@cygnus.com>
1651 * alpha/alpha.h (TARGET_WINDOWS_NT, TARGET_OPEN_VMS): Just make them
1652 real constants, since they can't be changed.
1653 (TARGET_AS_CAN_SUBTRACT_LABELS): New.
1654 * alpha/alpha.md (builtin_setjmp_receiver): Use it.
1655 * alpha/osf.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
1656 * alpha/osf2or3.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
1657 * alpha/vms.h (TARGET_OPEN_VMS): New.
1658 * alpha/win-nt.h (TARGET_WINDOWS_NT): New.
1660 Thu Mar 5 02:41:27 1998 Richard Henderson <rth@cygnus.com>
1662 * reload.c (find_reloads): Always force (subreg (mem)) to be
1663 reloaded if WORD_REGISTER_OPERATIONS.
1665 Thu Mar 5 02:14:44 1998 Richard Henderson <rth@cygnus.com>
1667 * haifa-sched.c (free_list): Rename from free_pnd_lst.
1668 (free_pending_lists): Rename free_pnd_lst uses.
1669 (remove_dependence): Place expunged element on unused_insn_list.
1670 (alloc_INSN_LIST, alloc_EXPR_LIST): New. Change all callers of
1671 gen_rtx_*_LIST and alloc_rtx to use them.
1672 (compute_block_backward_dependences): Free the reg_last_* lists.
1674 Thu Mar 5 00:05:40 1998 Jeffrey A Law (law@cygnus.com)
1676 * cccp.c (main): Avoid undefined behavior when setting pend_includes
1679 Wed Mar 4 21:58:25 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
1681 * rs6000/linux.h: don't define DEFAULT_VTABLE_THUNKS to 1 if
1682 USE_GNULIBC_1 is defined
1683 * configure.in: add a new case powerpc-*-linux-gnulibc1 which
1684 includes the t-linux-gnulibc1 fragment
1686 Wed Mar 4 12:11:36 1998 Jim Wilson <wilson@cygnus.com>
1688 * mips.md (movdf_internal1a): Fix misplaced parenthesis in condition.
1690 Wed Mar 4 18:47:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1692 * final.c (final_scan_insn, case CODE_LABEL: Cleanup.
1694 Wed Mar 4 15:51:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1696 * final.c (shorten_branches): Tag the loop alignment onto the
1697 first label after NOTE_INSN_LOOP_BEG even if there is an
1700 Tue Mar 3 21:48:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1702 * final.c (insn_current_reference_address):
1703 Use SEQ instead of BRANCH as argument to align_fuzz, to get a
1704 proper alignment chain.
1706 * final.c (max_labelno): New static variable.
1707 (final_scan_insn): Check max_labelno before outputting an
1708 alignment for a label.
1709 (shorten_branches): Remove unused variable length_align.
1711 Tue Mar 3 14:27:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1713 * sparc.c (ultrasparc_adjust_cost): Add default case in
1716 * sparc.h: Add prototypes for extern functions defined in
1719 Tue Mar 3 10:00:11 1998 Nick Clifton <nickc@cygnus.com>
1721 * toplev.c: Only generate <name>.dbr file when dumping RTL if
1722 DEALY_SLOTS is defined.
1724 Tue Mar 3 07:36:37 1998 Manfred Hollstein <manfred@s-direktnet.de>
1726 * reorg.c (fill_eager_delay_slots): Add new argument delay_list
1727 in call to fill_slots_from_thread.
1729 Mon Mar 2 13:45:03 1998 Richard Henderson <rth@cygnus.com>
1731 * alpha/linux.h (CPP_PREDEFINES): Correct connecting whitespace
1732 to SUB_CPP_PREDEFINES. Reported by asun@saul4.u.washington.edu.
1734 Mon Mar 2 22:59:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1736 * final.c (insn_last_address, insn_current_align, uid_align):
1738 (in_align_chain, align_fuzz, align_shrink_fuzz): New functions.
1739 (insn_current_reference_address): Likewise.
1740 (shorten_branches, final_scan_insn): Implement LABEL_ALIGN,
1741 LABEL_ALIGN_AFTER_BARRIER and LOOP_ALIGN target macros.
1742 (label_to_alignment): New function.
1743 * genattrtab.c (write_test_expr): If one of LABEL_ALIGN,
1744 LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN is defined, call
1745 insn_current_reference_address instead of insn_current_address.
1746 (or_attr_value, write_length_unit_log): New functions.
1747 (main): Call write_length_unit_log.
1748 (write_const_num_delay_slots): Output extra '\n'.
1749 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE):
1751 (LOOP_ALIGN, ALIGN_LABEL_AFTER_BARRIER).
1752 * i386.h, i386/osfrose.h, i386/svr3dbx.h, m68k.h, sparc.h: Likewise.
1753 * arc.h, m32r.h (ASM_OUTPUT_LOOP_ALIGN): replace with:
1755 * i960.h, m88k.h: (ASM_OUTPUT_ALIGN_CODE): Replace with:
1756 (LABEL_ALIGN_AFTER_BARRIER).
1757 * ns32k/encore.h, ns32k/merlin.h, ns32k.h, ns32k/sequent.h: Likewise.
1758 * ns32k/tek6000.h: Likewise.
1759 * i386/gas.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Delete.
1760 * i386.md (casesi+1): Use ASM_OUTPUT_ALIGN instead of
1761 ASM_OUTPUT_ALIGN_CODE.
1763 Mon Mar 2 01:05:50 PST 1998 Jeff Law (law@cygnus.com)
1765 * version.c: Bump for snapshot.
1767 Mon Mar 2 00:52:18 PST 1998 Jeff Law (law@cygnus.com)
1769 * version.c: Bump for snapshot.
1771 Sun Mar 1 18:25:49 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
1773 * reorg.c (fill_slots_from_thread): Don't steal delay list from target
1774 if condition code of jump conflicts with opposite_needed.
1776 * reorg.c (fill_slots_from_thread): Mark resources referenced in
1777 opposite_needed thread. Return delay_list even when cannot get
1778 any more delay insns from end of subroutine.
1780 Sun Mar 1 18:26:21 1998 Ken Rose (rose@acm.org)
1782 * reorg.c (fill_slots_from_thread): New parameter, delay_list.
1783 All callers changed.
1785 Sun Mar 1 18:25:37 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1787 * frame.c (start_fde_sort, fde_split, heapsort, fde_merge,
1788 end_fde_sort): New functions for fast sorting of an FDE array.
1789 (fde_insert): Simplified.
1790 (add_fdes): Change argument list.
1791 (frame_init): Use the new functions.
1793 Sun Mar 1 18:06:21 1998 Jeffrey A Law (law@cygnus.com)
1795 * ginclude/va-ppc.h (va_arg): Fix typo in long long support.
1797 * i386.c (reg_mentioned_in_mem): Fix dangling else statement.
1799 * fold-const.c (fold_range_test): Always return a value.
1801 Sun Mar 1 17:57:34 1998 Mumit Khan <khan@xraylith.wisc.edu>
1803 * config/i386/winnt.c (i386_pe_unique_section): Put read-only
1804 data in the text section unless READONLY_DATA_SECTION is defined.
1806 Sun Mar 1 17:48:46 1998 Jeffrey A Law (law@cygnus.com)
1808 * c-parse.in (undeclared variable error): Tweak error message to
1811 Sun Mar 1 10:22:36 PST 1998 Jeff Law (law@cygnus.com)
1813 * version.c: Bump for snapshot.
1815 1998-02-28 Mark Mitchell <mmitchell@usa.net>
1817 * final.c (final_scan_insn): Undo overzealous removal of `set'.
1819 Sat Feb 28 07:54:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1821 * pa.h (CONST_COSTS): When checking the CONST_DOUBLE enumerated
1822 case, add parentheses to specify the proper order of precedence in
1826 * c-aux-info.c: Include string.h/strings.h.
1828 * pa.c: Include stdlib.h.
1829 (pa_combine_instructions): Prototype the function.
1830 (pa_can_combine_p, forward_branch_p, shadd_constant_p): Likewise.
1831 (reloc_needed): Add default case for enumeration switch.
1832 (remove_useless_addtr_insns): Remove unused variable `all'.
1833 (hppa_expand_prologue): Add explicit braces to avoid
1835 (output_function_epilogue): Remove unused variable `i'.
1836 (output_millicode_call): Remove unused variable `link'.
1837 (shadd_constant_p, forward_branch_p): Make the function static.
1838 (following_call): Explicitly declare to return int.
1839 (pa_reorg): Declare as void.
1840 (pa_combine_instructions): Declare as static void. Add
1841 parentheses around && within ||.
1843 * pa.h: Add prototypes for pa_reorg, symbolic_operand,
1844 following_call, function_label_operand, lhs_lshift_cint_operand
1847 * pa.md: Add parentheses around && within ||.
1849 * cppalloc.c: Include stdlib.h.
1851 * cpperror.c (cpp_print_containing_files): Remove unused variable
1852 `i'. Fix format specifier in fprintf.
1854 * cse.c (cse_around_loop): Add explicit braces to avoid
1856 (delete_dead_from_cse): Wrap variable `tem' in macro HAVE_cc0.
1858 * expr.c (expand_expr): Add parentheses around && within ||.
1860 * final.c (app_enable): Replace fprintf with fputs where there are
1861 no format specifiers and no trailing argument after the string.
1862 Eg, when printing ASM_APP_ON/ASM_APP_OFF.
1863 (app_disable): Likewise.
1864 (final_end_function): Likewise.
1865 (final_scan_insn): Likewise. Remove unused variable `set'.
1866 (profile_function): Wrap empty if-statement body in {} brackets.
1868 * function.c: Include stdlib.h.
1869 (pad_below): Wrap prototype and definition in ARGS_GROW_DOWNWARD.
1870 (reposition_prologue_and_epilogue_notes): Add parentheses
1871 around assignment used as truth value.
1873 * integrate.c (expand_inline_function): Wrap variable
1874 `cc0_insn' in macro HAVE_cc0.
1876 * jump.c (jump_optimize): Wrap variable `q' in macro
1877 HAVE_cc0. Remove unused variable `prev1'.
1879 * libgcc2.c (__bb_exit_trace_func): Add parentheses around &&
1880 within ||. Fix format specifier in fprintf.
1881 (__bb_init_prg): Add parentheses around assignment used as
1884 * local-alloc.c: Include stdlib.h.
1885 (requires_inout): Add parentheses around assignment used
1888 * loop.c (analyze_loop_iterations): Wrap prototype and definition
1889 in macro HAVE_decrement_and_branch_on_count.
1890 (insert_bct, instrument_loop_bct): Likewise.
1891 (move_movables): Add parentheses around assignment used as
1893 (consec_sets_invariant_p): Likewise.
1894 (maybe_eliminate_biv_1): Wrap variable `new' in macro HAVE_cc0.
1896 * objc/objc-act.c: Include stdlib.h.
1897 (lookup_method_in_protocol_list): Wrap empty else-statement body
1899 (lookup_protocol_in_reflist): Likewise.
1900 (objc_add_static_instance): Remove unused variables `decl_expr'
1902 (get_objc_string_decl): Remove unused variable `decl'.
1903 (generate_static_references): Remove unused variables `idecl' and
1905 (check_protocols): Wrap empty else-statement body in braces.
1907 * protoize.c: Include stdlib.h.
1908 (substr): Add parentheses around assignment used as truth value.
1909 (abspath): Likewise.
1910 (shortpath): Likewise.
1912 * regmove.c (fixup_match_1): Add parentheses around assignment
1913 used as truth value.
1915 * reload.c (push_secondary_reload): Remove unused variable `i'.
1916 (find_reloads): Add parentheses around assignment used as truth
1919 * reload1.c: Include stdlib.h.
1921 * rtl.h: Correct typo in prototype of offsettable_memref_p.
1923 * stmt.c (add_case_node): Add parentheses around assignment used
1925 (case_tree2list): Likewise.
1927 * tree.c (valid_machine_attribute): Wrap variable `decl_attr_list'
1928 in macro VALID_MACHINE_DECL_ATTRIBUTE. Wrap variable
1929 `type_attr_list' in macro VALID_MACHINE_TYPE_ATTRIBUTE.
1930 (merge_attributes): Add explicit braces to avoid ambiguous
1933 * unroll.c (copy_loop_body): Wrap variable `cc0_insn' in
1936 * varasm.c: Include stdlib.h.
1939 * system.h: Remove sys/stat.h.
1940 * gcc.c: Add sys/stat.h.
1942 * genattr.c: Wrap prototype of `free' in NEED_DECLARATION_FREE.
1943 * genattrtab.c: Likewise.
1944 * genconfig.c: Likewise.
1945 * genemit.c: Likewise.
1946 * genextract.c: Likewise.
1947 * genflags.c: Likewise.
1948 * genopinit.c: Likewise.
1949 * genoutput.c: Likewise.
1950 * genpeep.c: Likewise.
1951 * genrecog.c: Likewise.
1952 * tlink.c: Likewise. Also wrap `getenv' in NEED_DECLARATION_GETENV.
1954 Fri Feb 27 11:02:47 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1956 * invoke.texi: Use @itemx for a secondary item in a @table.
1958 * config/m68k/m68k.md (movsf+1): Optimize moving a CONST_DOUBLE
1961 Thu Feb 26 00:13:21 1998 Ian Lance Taylor <ian@cygnus.com>
1963 * choose-temp.c: Fix handling of sys/file.h to work in libiberty.
1965 Wed Feb 25 23:40:54 1998 Jeffrey A Law (law@cygnus.com)
1967 * i386.c (struct machine_function): Add new fields for PIC stuff.
1968 (save_386_machine_status): Fix argument to xmalloc. Save pic_label_rtx
1970 (restore_386_machine_status): Corresponding changes.
1971 (clear_386_stack_locals): Also clear pic_label_rtx and pic_label_name.
1973 Wed Feb 25 01:31:40 1998 Jeffrey A Law (law@cygnus.com)
1975 * c-parse.y (undeclared variable error): Tweak error message
1978 Tue Feb 24 23:54:07 1998 Richard Henderson <rth@cygnus.com>
1980 * flags.h (g_switch_value, g_switch_set): Declare.
1981 * alpha.c (override_options): Set g_switch_value=8 if not set.
1982 * alpha/elf.h (CC1_SPEC): New.
1984 (LINK_SPEC): Pass along the -G value we were given.
1985 (LOCAL_ASM_OP): Remove.
1986 (ASM_OUTPUT_ALIGNED_LOCAL): Output to .bss or .sbss by size.
1987 (MAX_OFILE_ALIGNMENT): New.
1988 (BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP): New.
1989 (EXTRA_SECTIONS): Add sbss and sdata.
1990 (SECTION_FUNCTION_TEMPLATE): New.
1991 (EXTRA_SECTION_FUNCTIONS): Use it.
1992 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
1993 (SELECT_SECTION): Use sdata when small enough.
1994 * alpha/linux.h (ASM_SPEC): Remove.
1997 Mon Feb 23 15:09:18 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1998 * config.sub (sco5): Fix typo.
2000 Mon Feb 23 18:19:31 1998 Manfred Hollstein <manfred@s-direktnet.de>
2002 * config/t-linux (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Add macros and
2004 * config/t-linux-aout (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Likewise.
2005 * config/alpha/t-linux: Remove file.
2006 * config/sparc/t-linux: Remove file.
2007 * config/m68k/t-linux (LIBGCC1, CROSS_LIBGCC1): Remove.
2008 * config/m68k/t-linux-aout (LIBGCC1, CROSS_LIBGCC1): Likewise.
2009 * configure.in (alpha*-*-linux-gnulibc1*): Use t-linux instead of alpha/t-linux
2011 (alpha*-*-linux-gnu*): Likewise.
2012 (sparc-*-linux-gnulibc1*): Use t-linux instead of sparc/t-linux for tmake_file.
2013 (sparc-*-linux-gnu*): Likewise.
2015 Mon Feb 23 10:47:39 1998 Robert Lipe <robertl@dgii.com>
2016 * collect2.c (ldd_file_name): Bracket declaration with same
2018 (full_real_ld_suffix): Deleted. Variable was calloced and
2019 written into, but never read.
2021 1998-02-23 Mike Stump <mrs@wrs.com>
2023 * configure.in: Add support for i386-wrs-vxworks configuration.
2024 * i386/vxi386.h: New file.
2026 Sun Feb 22 21:16:51 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2028 * tree.c (contains_placeholder_p): Ensure function always returns
2030 * sparc.md (movdi_sp64_insn): Add default case in enumeration switch.
2031 (movsf_const_insn, movdf_const_insn, movtf_const_insn): Likewise.
2033 Sun Feb 22 20:58:19 1998 Jeffrey A Law (law@cygnus.com)
2035 * vms.h (SELECT_SECTION): Use TREE_CODE_CLASS correctly.
2037 1998-02-22 Paul Eggert <eggert@twinsun.com>
2039 * config/sparc/sol2-sld.h (LINKER_DOES_NOT_WORK_WITH_DWARF2):
2040 Define this new symbol.
2041 (DWARF2_DEBUGGING_INFO, DWARF_DEBUGGING_INFO): Do not #undef.
2042 * toplev.c (main): Do not default to DWARF2_DEBUG with -ggdb if
2043 LINKER_DOES_NOT_WORK_WITH_DWARF2 is defined.
2045 Sun Feb 22 20:07:32 1998 Jim Wilson <wilson@cygnus.com>
2047 * iris5.h (DWARF2_UNWIND_INFO): Define to 0.
2048 * iris5gas.h (DWARF2_UNWIND_INFO): Define to 1.
2050 Sun Feb 22 15:29:48 1998 Richard Henderson <rth@cygnus.com>
2052 * objc/Object.m (-error): Call objc_verror with our va_list.
2054 Sun Feb 22 09:45:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2056 * collect2.c (scan_prog_file): Completely cover uses of variable
2057 `exports' with macro COLLECT_EXPORT_LIST.
2059 Sat Feb 21 20:36:23 1998 Jeff Law (law@cygnus.com)
2061 * version.c: Bump for snapshot.
2063 Fri Feb 20 16:22:13 1998 Michael Meissner <meissner@cygnus.com>
2065 * sched.c (schedule_block): Remove code to get arguments from hard
2066 regs into pseudos early. Same as Aug 25, 1997 change to
2069 1998-02-20 Jason Merrill <jason@yorick.cygnus.com>
2071 * collect2.c (main): Still handle !do_collecting for non-AIX targets.
2073 1998-02-16 Mark Mitchell <mmitchell@usa.net>
2075 * toplev.c (rest_of_compilation): Do not defer the output of a
2078 Fri Feb 20 10:39:47 1998 Michael Tiemann <michael@impact.tiemann.org>
2080 * ginclude/va-mips.h (va_arg): Remove trailing space after '\'
2081 continuation character (line 243).
2083 Fri Feb 20 12:10:26 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2085 * genrecog.c (main): Remove duplicated sentence in emitted comment.
2087 Thu Feb 19 22:36:53 1998 Andrey Slepuhin <pooh@msu.net>
2088 David Edelsohn <edelsohn@mhpcc.edu>
2090 * collect2.c (XCOFF_SCAN_LIBS): Remove.
2091 (export_flag): New variable.
2092 (export_file): #ifdef COLLECT_EXPORT_LIST.
2093 (import_file, exports, imports, undefined): New variables.
2094 (libs, cmdline_lib_dirs, libpath_lib_dirs, libpath, libexts): Same.
2095 (dump_list, dump_prefix_list, is_in_list): New functions.
2096 (write_export_file): $ifdef COLLECT_EXPORT_LIST.
2097 (write_import_file, resolve_lib_name): New functions.
2098 (use_import_list, ignore_library): Same.
2099 (collect_exit): maybe_unlink import_file and #ifdef.
2101 (main): New variable importf, #ifdef exportf. Move parsing of
2102 -shared before general argument parsing. Resolve AIX library
2103 paths and import libgcc.a symbols. Treat .so shared libraries the
2104 same as objects and .a libraries. Create alias for object_lst and
2105 increment it instead of original pointer. Scan AIX libraries as
2106 objects earlier instead of using scan_libraries. Perform AIX
2107 tlink later to resolve templates instead of forking ld.
2108 (GCC_OK_SYMBOL): Ensure symbol not in undef section.
2109 (GCC_UNDEF_SYMBOL): New macro.
2110 (scan_prog_file): Loop for members of AIX libraries. Handle
2111 export/import of ctors/dtors.
2112 (aix_std_libs): New variable.
2113 (scan_libraries, XCOFF): Delete.
2115 Thu Feb 19 22:36:52 1998 Robert Lipe <robertl@dgii.com>
2117 * collect2.c (full_real_ld_suffix): #ifdef CROSS_COMPILE.
2119 1998-02-19 Mike Stump <mrs@wrs.com>
2121 * Makefile.in: Use $tooldir for sys-include to match toplevel
2124 Thu Feb 19 01:32:37 1998 Jeffrey A Law (law@cygnus.com)
2125 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2127 * emit-rtl.c (gen_lowpart_common): Suppress last change if __complex__.
2129 * emit-rtl.c (hard-reg-set.h): Include.
2130 (get_lowpart_common): Don't make new REG for hard reg in a
2131 class that cannot change size.
2132 * Makefile.in (emit-rtl.o): Depend on hard-reg-set.h.
2134 * combine.c: Revert previous patch.
2136 1998-02-19 Paul Eggert <eggert@twinsun.com>
2138 * config/sparc/sol2-sld.h: New file.
2139 * configure.in (sparc-*-solaris2*): Use it when using the
2142 Thu Feb 19 00:46:59 1998 Jeffrey A Law (law@cygnus.com)
2144 * loop.c (force_movables): Fix typo.
2146 Thu Feb 19 08:26:30 1998 Manfred Hollstein <manfred@s-direktnet.de>
2148 * m88k.h: Change file pattern to match reality.
2150 Wed Feb 18 23:19:52 1998 Jeffrey A Law (law@cygnus.com)
2152 * varasm.c (output_constant_pool): Fix dumb thinko in last
2155 * pa.h (ASM_OUTPUT_FUNCTION_PREFIX): Correctly translate from
2156 a function name to a section name.
2158 1998-02-18 Doug Evans <devans@cygnus.com>
2160 * tree.h (merge_machine_{type,decl}_attributes): Declare.
2161 (split_specs_attrs, strip_attrs): Add prototypes.
2162 * tree.c (merge_machine_{type,decl}_attributes): New functions.
2163 * c-decl.c (duplicate_decls): Call merge_machine_decl_attributes.
2164 Update olddecl's attributes too.
2165 * c-common.c (strip_attrs): New function.
2166 * c-typeck.c (common_type): Call merge_machine_type_attributes.
2167 * varasm.c (make_function_rtl): New target macro REDO_SECTION_INFO_P.
2168 (make_decl_rtl): Likewise.
2170 1998-02-18 Jim Wilson <wilson@cygnus.com>
2172 * c-decl.c (shadow_tag_warned): Call split_specs_attrs.
2174 Wed Feb 18 09:09:50 1998 Jeffrey A Law (law@cygnus.com)
2176 Remove this change until we can fix it correctly.
2177 * collect2.c: Bracket declaration of 'exportf' and
2178 'full_real_ld_suffix'.
2180 Wed Feb 18 08:44:25 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
2182 * Makefile.in (STAGESTUFF): Add genrtl.c, genrtl.h and gengenrtl.
2184 Tue Feb 17 23:30:20 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
2186 * c-common.c (c_expand_start_cond, c_expand_end_cond,
2187 c_expand_start_else): Don't warn about non-ambiguous else even if
2190 Tue Feb 17 23:56:50 1998 Robert Lipe <robertl@dgii.com>
2192 * sco5.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT,
2193 ASM_OUTPUT_LONG_DOUBLE): Delete. Use the ones from i386.h
2196 Tue Feb 17 22:56:14 1998 Richard Henderson <rth@cygnus.com>
2198 * combine.c (simplify_rtx): Obey CLASS_CANNOT_CHANGE_SIZE when
2199 simplifying a subreg of a hard reg.
2200 (expand_compound_operation): Likewise.
2201 (force_to_mode): Likewise.
2203 Tue Feb 17 22:37:22 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2205 * fold-const.c: Include "system.h" to get stdlib.h and stdio.h.
2206 (lshift_double): Add parentheses around + or - inside shift.
2207 (rshift_double): Likewise.
2208 (size_int_wide): Explicitly set type of `bit_p' to `int'.
2210 * Makefile.in (fold-const.o): Depend on system.h.
2212 * Makefile.in (gcc.o): Depend on system.h, in accordance with last
2215 * haifa-sched.c: Include "system.h" to get <stdlib.h> and <stdio.h>.
2216 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
2217 (sched_note_set): Remove unused parameter `b', all callers changed.
2218 (schedule_block): Likewise for `rgn'.
2219 (split_hard_reg_notes): Likewise for `orig_insn'.
2220 (check_live): Likewise for `trg'.
2221 (update_live): Likewise.
2222 (check_live_1): Explcitly declare variable `i' as int.
2223 (update_live_1): Likewise.
2224 (insn_issue_delay): Remove unused variable `link'.
2225 (sched_analyze_2): Add default case in enumeration switch.
2226 (schedule_insns): Remove unused variable `i'.
2228 * Makefile.in ($(SCHED_PREFIX)sched.o): Depend on system.h.
2230 Tue Feb 17 22:31:04 1998 Jeffrey A Law (law@cygnus.com)
2232 * loop.c (rtx_equal_for_loop_p): Add some braces to disambiguate
2233 a dangling else clause.
2235 Tue Feb 17 21:28:12 1998 Gavin Koch <gavin@cygnus.com>
2237 * mips/mips.h (CAN_ELIMINATE): Don't eliminate the frame
2238 pointer for the stack pointer in MIPS16 and 64BIT.
2240 Tue Feb 17 21:17:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2242 * rtl.h (force_line_numbers, restore_line_number_status): Declare.
2243 * emit-rtl.c (force_line_numbers, restore_line_number_status):
2245 * stmt.c (struct nesting): Replace seenlabel with line_number_status.
2246 (expand_start_case): Adjust to this change.
2247 (check_seenlabel): New function.
2248 (pushcase, pushcase_range, expand_endcase): Use it.
2250 Tue Feb 17 10:14:32 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2252 * i386.md (adddi3): Add =!r,0,0,X alternative.
2254 Mon Feb 16 16:13:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
2256 * rs6000.h (MY_ISCOFF): Add numeric value of U803XTOCMAGIC.
2257 * x-aix31 (INSTALL): Delete.
2259 Mon Feb 16 09:24:32 1998 Gavin Koch <gavin@cygnus.com>
2261 * mips/mips.c (mips_expand_epilogue): Update tsize_rtx if
2262 tsize changes to something other than zero.
2264 Mon Feb 16 09:11:48 1998 Gavin Koch <gavin@cygnus.com>
2266 * ginclude/va-mips.h: Replace casts of pointers to int with
2267 casts of pointers to __PTRDIFF_TYPE__.
2269 Mon Feb 16 08:17:14 1998 John Carr <jfc@mit.edu>
2271 * loop.c (strength_reduce, record_biv, record_giv): Use
2272 HOST_WIDE_INT_PRINT_DEC to print CONST_INT values.
2274 1998-02-16 Jason Merrill <jason@yorick.cygnus.com>
2276 * tree.c (first_rtl_op): New fn.
2277 (unsave_expr_now): Use it.
2278 * print-tree.c (print_node): Likewise.
2279 * tree.c (has_cleanups): New fn.
2280 * fold-const.c (fold, case CLEANUP_POINT_EXPR): Use it. Be more
2281 conservative about pushing the cleanup point down.
2282 * tree.h: Declare them.
2284 Sun Feb 15 23:28:44 1998 Jeffrey A Law (law@cygnus.com)
2286 * toplev.c (flag_schedule_reverse_before_reload): Delete variable.
2287 (flag_schedule_reverse_after_reload): Likewise.
2288 (f_options): Remove reverse scheduling support.
2289 * flags.h (flag_schedule_reverse_before_reload): Delete declaration.
2290 (flag_schedule_reverse_after_reload): Likewise.
2291 * haifa-sched.c (rank_for_schedule): Remove support for reverse
2294 Sun Feb 15 21:33:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2296 * gcc.c: Get system includes, prototypes and macros via "system.h"
2297 instead of doing it manually. Change all calls of the ctype
2298 macros to custom versions defined in "system.h".
2300 * system.h: Fix return type of bcmp prototype from `void' to `int'.
2301 Make bcopy, bcmp and bzero prototypes explicitly `extern'.
2302 Add a prototype for getenv.
2304 Sun Feb 15 17:05:41 1998 Jim Wilson <wilson@cygnus.com>
2306 * mips/mips.h (INITIAL_ELIMINATION_OFFSET): Readd Jun 6 change.
2308 Sun Feb 15 15:23:15 1998 John Carr <jfc@mit.edu>
2310 * alias.c: Include <stdlib.h> and <string.h>.
2311 (init_alias_analysis): Pass NULL_RTX instead of 0 to record_set.
2313 Sat Feb 14 11:23:09 PST 1998 Jeff Law (law@cygnus.com)
2315 * version.c: Bump for snapshot.
2317 Sat Feb 14 05:08:21 1998 Richard Earnshaw (rearnsha@arm.com)
2319 * arm.md (movsfcc): Also validate operands[3] when compiling hard
2321 (movdfcc): Only accept fpu_add_operand for operands[3].
2323 * arm/t-semi (STMP_FIXPROTO): Define to nothing.
2324 * arm/t-semiaof (STMP_FIXPROTO): Likewise.
2326 Sat Feb 14 02:02:41 1998 Jeffrey A Law (law@cygnus.com)
2328 * varasm.c (output_constant_pool): Bring back 'done' label inside
2329 an appropriate #ifdef.
2331 * bitmap.c (bitmap_element_allocate): Wrap variable 'i' in an
2333 (bitmap_copy, bitmap_operation): Likewise.
2334 * combine.c (combinable_i3pat): Similarly for 'src'.
2335 * function.c (fixup_var_refs_1): Similarly for 'outerdest'.
2336 (locate_and_pad_parm): Similarly for 'reg_parm_stack_space'.
2337 * regclass.c (copy_cost): Similarly for 'secondary_class'.
2338 * reload.c (make_memloc): Simliarly for 'i'.
2339 (find_reloads_address_1): Similarly for 'link'.
2340 * reload1.c (reload): Similarly for 'previous_frame_pointer_needed'.
2341 (emit_reload_insns): Similarly for 'second_reloadreg'.
2342 * unroll.c (iteration_info): Similarly for 'v'.
2344 * caller-save.c (insert_save_restore): Remove unused variable 'i'.
2345 * calls.c (expand_call): Similarly for 'i'.
2346 (emit_library_call, emit_library_call_value): Similarly for 'mode'.
2347 * fold-const.c (strip_compund_expr): Similarly for 'type'.
2348 * function.c (fixup_var_refs_1): Similarly for 'width'.
2349 (fixup_memory_subreg): Similarly for 'saved'.
2350 (locate_and_pad_parm): Similarly for 'boundary_in_bytes.'
2351 (setjmp_protect): Similarly for 'sub'.
2352 (thread_prologue_and_epilogue_insns): Similarly for 'insn'.
2353 * loop.c (record_giv): Similarly for 'p'.
2354 (combine_givs): Similarly for 'temp_iv'.
2355 (indirect_jump_in_function_p): Similarly for 'is_indirect_jump'.
2356 * recog.c (validate_replace_rtx_1): Similarly for 'width'.
2357 * tree.c (get_set_constructor_bytes): Similarly for 'vals'.
2358 * unroll.c (unroll_loop): Similarly for 'copy'.
2359 (iteration_info): Similarly for 'b'.
2360 * varasm.c (assemble_string): Similarly for 'i'.
2361 * i386.h (LEGITIMIZE_ADDRESS): Similarly for 'orig_x'.
2363 1998-02-13 Martin von Loewis <loewis@informatik.hu-berlin.de>
2365 * c-lang.c (lang_print_xnode): New function.
2366 * objc/objc-act.c (lang_print_xnode): Likewise.
2367 * print-tree.c (print_node): Call it
2369 Fri Feb 13 14:38:34 1998 Jim Wilson <wilson@cygnus.com>
2371 * dwarf2out.c (decl_scope_node): New type.
2372 (decl_scope_table): Change type to use it.
2373 (decl_scope_table_allocated, decl_scope_depth): Change type to int.
2374 (push_decl_scope): Use new type. New locals containing_scope, i.
2375 Add code to handle setting previous field.
2376 (scope_die_for): Change type of local i to int. Add code to use
2378 (dwarf2out_init): Use new type.
2380 1998-02-13 Jason Merrill <jason@yorick.cygnus.com>
2382 * except.c (emit_throw): Lose throw_used.
2384 Fri Feb 13 20:36:05 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2386 * sched.c (update_flow_info, REG_WAS_0): Ignore if setting insn
2388 * haifa-sched.c (update_flow_info, REG_WAS_0): Likewise.
2390 Fri Feb 13 12:18:40 1998 Jeffrey A Law (law@cygnus.com)
2392 * genextract.c (main): Fix typo.
2394 Fri Feb 13 08:41:49 1998 Robert Lipe <robertl@dgii.com>
2396 * c-lang.c (finish_file): Bracket declaration of static_ctors,
2399 * calls.c (expand_call): Bracket declaration of 'rtx_before_call',
2400 'old_stack_arg_under_construction'
2401 (emit_library_call): Bracket declaration of 'upper_bound',
2402 'lower_bound', 'i', 'reg_parm_stack_space'
2403 (emit_library_call_value): Likewise.
2406 * collect2.c: include <unistd.h> when appropriate.
2407 Bracket declaration of 'exportf' and 'full_real_ld_suffix'.
2409 * emit-rtl.c (prev_cc0_setter): Remove unused variable 'link'.
2411 * explow.c (plus_constant_for_output_wide): Remove unused variable
2413 (memory_address): Remove unused variable 'orig_x'.
2415 * genattrtab.c (make_canonical): Remove unreferenced label 'cond:'.
2416 (write_const_num_delay_slots): Remove unused variable 'i'.
2418 * genopinit.c (main): Remove unused variables 'dummy', 'insn_ptr'.
2419 (gen_insn): Remove unused variable 'obstack_ptr'.
2421 * libgcc2.c (__bb_exit_func): Remove unused variables 'ret',
2423 (__bb_exit_trace_func): Remove unused variable 'e'.
2425 * optabs.c (expand_binop): remove unused variables 'lhs', 'rhs',
2427 (expand_unop): Remove unused variable 'funexp'.
2428 (expand_complex_abs): Remove unused variable 'funexp'.
2429 (init_optabs): Bracket declaration of 'j'.
2430 (init_complex_libfuncs): Deleted. Dead static function.
2432 * profile.c (branch_prob): Remove unused variables 'insn', 'dest'.
2434 * reg-stack.c: Fix typo in proto for 'get_asm_operand_lengths'
2435 (reg_to_stack): 'initialized', 'before_function_beg'
2436 explictly type as ints instead of defaulting.
2437 (emit_swap_insn): Remove unused variable 'i2'.
2438 (compare_for_stack_reg): Remove unused variable 'src_note'.
2440 * rtlanal.c (computed_jump_p): Remove unused variable 'computed_jump'.
2442 * sched.c (actual_hazard): Bracket declaration of 'this_cost'.
2444 * stmt.c (add_case_node): Add parens for assignment used as truth.
2445 (all_cases_count): Remove unused variable 'count_high'.
2446 (mark_seen_cases): Remove unused variable 'i'.
2447 (check_for_full_enumeration_handling): Remove unused variable 't'.
2448 Bracket declaration of 'all_values', 'l'.
2450 * tlink.c: Include <stdlib.h>, <unistd.h>, <string.h>/<strings.h>.
2452 * varasm.c (assemble_string): Remove unused variable 'i'.
2453 (immed_double_const): Remove unused variable 'in_current_obstack'.
2454 (immed_real_const_1): Likewise.
2455 (output_constant_pool): Remove unreferenced label 'done'.
2456 (output_constant): Remove unused variable 'x'.
2458 * i386/i386.h (ENCODE_SECTION_INFO): TREE_PUBLIC is an int, not
2461 * i386/sco5.h (ASM_OUTPUT_ASCII): Add parens for assignment used
2464 Fri Feb 13 10:21:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2466 * combine.c (can_combine_p): Handle USEs in PARALLELs.
2468 Fri Feb 13 01:34:14 1998 H.J. Lu (hjl@gnu.org)
2470 * config/linux.h (LIB_SPEC): Add -lc for -shared if
2471 USE_GNULIBC_1 is not defined.
2472 * config/sparc/linux.h; Ditto.
2474 * config/sparc/linux64.h (LIB_SPEC): Add -lc for -shared.
2476 * config/alpha/linux-elf.h (LIB_SPEC): New. Defined if
2477 USE_GNULIBC_1 is not defined.
2479 Fri Feb 13 01:29:29 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
2481 * rs6000/sysv4.h (ENDFILE_SPEC): add missing %(endfile_linux)
2484 Fri Feb 13 01:23:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2486 * system.h: New file to get common systems includes and various
2487 definitions and declarations based on autoconf macros.
2489 Fri Feb 13 00:46:19 1998 Jeffrey A Law (law@cygnus.com)
2491 * cccp.c (new_include_prefix): Correctly handle -I./.
2493 Thu Feb 12 20:16:35 1998 Michael Meissner <meissner@cygnus.com>
2495 * rs6000.md: Replace gen_rtx (CONST_INT,...) with GEN_INT.
2497 Thu Feb 12 16:45:17 1998 Robert Lipe <robertl@dgii.com>
2499 * expr.c (expand_assignment): Correct typo exposed by -Wall.
2500 offset should have been a truth value, not an assignment.
2502 Thu Feb 12 15:26:50 1998 Jeffrey A Law (law@cygnus.com)
2504 * cse.c (delete_dead_from_cse): If a libcall produces a constant
2505 result and that result can be substituted into SET_SRC of the
2506 insn with the REG_RETVAL note, then perform the substitution
2507 and delete the libcall.
2509 Thu Feb 12 14:04:09 1998 Gavin Koch <gavin@cygnus.com>
2511 * mips.md (trucndihi2,truncdiqi2): Change these to support
2514 Thu Feb 12 11:34:55 1998 Gavin Koch <gavin@cygnus.com>
2516 * mips/mips.c (movdi_operand): Direct referances to symbols
2517 that arn't mips16 consts in mips16 mode arn't valid operands.
2519 * mips/mips.c (mips_move_2words): Add gprel handling.
2521 Thu Feb 12 11:18:37 1998 Gavin Koch <gavin@cygnus.com>
2523 * mips.md (extendsidi2): Allow extension to/from a non-mips16
2526 Thu Feb 12 00:04:16 1998 Marc Lehmann <pcg@goof.com>
2528 * i386.c: Conditionally include <stdlib.h>, <string.h>, and
2531 Wed Feb 11 11:43:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2533 * Makefile.in (WARN_CFLAGS): New variable.
2534 (bootstrap, bootstrap2, bootstrap3, bootstrap4): Use it.
2536 1998-02-11 Mark Mitchell <mmitchell@usa.net>
2538 * config/i386/i386.c (reg_mentioned_in_mem): Don't abort when
2539 falling through default case in switch.
2540 (i386_aligned_p): Likewise.
2542 Wed Feb 11 12:59:56 1998 Lee Iverson <leei@Canada.AI.SRI.COM>
2544 * mips/mips.h (mips_abi_string): Correct typo in comment.
2546 Wed Feb 11 08:29:56 1998 Gavin Koch <gavin@cygnus.com>
2548 * mips/mips.md (movdi): These PLUS's need to be Pmode.
2550 Wed Feb 11 01:47:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2552 * Makefile.in (dwarf2out.o, emit-rtl.o, jump.o, cse.o, unroll.o,
2553 reorg.o, regmove.o): Depend on insn-codes.h, it gets included
2554 indirectly via expr.h.
2556 Wed Feb 11 01:44:13 1998 Richard Henderson <rth@cygnus.com>
2558 * stor-layout.c (layout_type): Do upper - lower in the native type,
2559 so as to properly handle negative indices.
2561 Wed Feb 11 01:35:55 1998 Robert Lipe <robertl@dgii.com>
2563 * except.c (start_dynamic_cleanup): Remove unused variable 'dhc'.
2564 (expand_eh_region_start_tree): Remove unused variable 'note'.
2565 (exception_optimize): Remove unused variable 'regions'.
2566 (expand_builtin_eh_stub): Remove unused variable 'temp'.
2567 (copy_eh_entry): Deleted. Dead function.
2569 * expr.c (move_block_to_reg) Bracket declaration of 'pat' and
2570 'last' with same #if HAVE_load_multiple as use of it.
2571 (move_block_from_reg): Likewise.
2572 (emit_move_insn_1): Remove unused variable 'insns'.
2573 (store_constructor): Bracket declaration of startb, endb with
2574 #if TARGET_MEMFUNCTIONS. Remove unused variables 'set_word_size'
2575 'target', and 'xtarget'.
2576 (expand_builtin_setjmp): Remove unused variables 'op0',
2577 'next_arg_reg', 'old_inhibit_defer_pop'.
2578 (expand_builtin): Remove unused variable 'offset'.
2579 (do_store_flag): Remove unused variables 'pattern', 'jump_pat'.
2580 (emit_queue): Add parens for assignment used as conditional.
2581 (expand_expr): case TARGET_EXPR: Remove unused variable 'temp'.
2583 Wed Feb 11 01:30:49 1998 Marc Lehmann <pcg@goof.com>
2585 * i386.c: Added include for recog.h.
2586 (override_options): Removed unused variable p. Initialized regno to
2588 (order_regs_for_local_alloc): Initialized regno to avoid warning.
2589 (legitimize_address): Likewise for 'other'.
2590 (i386_aligned_reg_p): Added default case with abort ().
2591 (print_operand): Likewise.
2592 (reg_mentioned_in_mem): Likewise.
2593 (ix86_expand_binary_operator): Removed unused variables i & insn.
2594 (ix86_expand_unary_operator): Removed unused variable insn.
2595 (output_fp_cc0_set): Removed unused variable unordered_label.
2597 Wed Feb 11 01:23:03 1998 John F. Carr <jfc@mit.edu>
2599 * i386.c, i386.h, i386.md: Change gen_rtx (X, ...) to gen_rtx_X (...).
2600 Use GEN_INT instead of gen_rtx (CONST_INT). Make printf arguments
2601 and format string match.
2603 Wed Feb 11 01:17:39 1998 Jeffrey A Law (law@cygnus.com)
2605 * flow.c (life_analysis): Do not conside the stack pointer live at
2606 the end of a function if the fucntio ncalls alloca.
2607 (mark_used_regs): Similarly.
2609 1998-02-10 John F Carr <jfc@mit.edu>
2611 * config/sparc/sparc.md (movdi_v8plus): Output stx on alternative
2612 1, fzero on alternative 8.
2614 Tue Feb 10 09:02:19 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2616 * rs6000.c (setup_incoming_varargs): Always set rs6000_sysv_varargs_p.
2618 Tue Feb 10 03:35:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2620 * reload.c (find_reloads_toplev): Handle arbitrary non-paradoxical
2621 SUBREGs of CONST_INTs.
2623 Mon Feb 9 17:52:36 1998 John Carr <jfc@mit.edu>
2625 * mips.c (print_operand, function_prologue): Make printf format
2626 match argument type.
2628 Mon Feb 9 02:37:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2630 * alpha.c (alpha_return_addr): Remove unused variable `first'.
2631 (alpha_ra_ever_killed): Remove unused variables `ra' and `i'.
2632 (output_epilog): Remove unused variable `frame_size_from_reg_save'.
2634 Sun Feb 8 14:56:03 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2636 * loop.c (strength_reduce): When placing increment for auto-inc
2637 case, do comparison in loop order.
2639 Sun Feb 8 13:21:38 1998 John Carr <jfc@mit.edu>
2641 * bitmap.c (bitmap_debug_file): HOST_PTR_PRINTF converts a pointer,
2642 not a HOST_WIDE_INT.
2644 * calls.c (expand_call): Change test of expand_inline_function
2645 return value to stop compiler warning.
2647 * genattrtab.c (RTL_HASH): Cast pointer to long, not HOST_WIDE_INT.
2649 Sun Feb 8 12:04:24 1998 Jim Wilson (wilson@cygnus.com)
2650 Jeff Law (law@cygnus.com)
2652 * regmove.c: Fix various minor formatting problems.
2653 (optimize_reg_copy_1): Stop search at CALL_INSNs if flag_exceptions
2654 is true. Make end of basic block tests consistent through regmove.c.
2655 (optimize_reg_copy_2, optimize_reg_copy_3): Likewise.
2656 (fixup_match_2, fixup_match_1, regmove_optimize): Likewise.
2658 Sun Feb 8 01:49:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2660 * gansidecl.h: Check for a conflicting macro definition before
2661 attempting to prototype bcopy, bcmp or bzero.
2663 Sun Feb 8 00:09:59 1998 Jeffrey A Law (law@cygnus.com)
2665 * expr.c (clear_pending_stack_adjust): Handle case where a function
2666 calls alloca, but the user has specified -fomit-fframe-pointer.
2668 * function.c (assign_parms): Fix typo in last change.
2670 Sat Feb 7 23:54:29 1998 Robert Lipe <robertl@dgii.com>
2672 * gcc.c: Include <strings.h>/<string.h>, <stdlib.h>, <unistd.h>,
2674 (free_path_suffix): Remove unreferenced static function.
2675 (process_command): Remove unused variable temp.
2676 (default_arg): Remove unused variable i.
2677 (do_spec_1): Add parens for assignment used as truth value.
2679 (validate_all_switches): Likewise.
2680 (main): Remove unused variables i, first_time>
2682 * c-common.c: Include <stdlib.h> and <string.h>/<strings.h>.
2684 * calls.c (expand_call): Remove unused variables funtree,
2685 n_regs, and tmpmode.
2687 * dbxout.c, except.c: Include <string.h>/<strings.h>.
2689 * explow.c: (plus_constant_for_output_wide) Removed unused
2690 variable all_constant.
2692 * c-decl.c, genattr.c, genattrtab.c, getconfig.c, genemit.c
2693 genextract.c, genflags.c, genopinit.c genoutput.c, genpeep.c,
2694 genrecog.c, global.c, integrate.c , stupid.c : Include
2697 * genextract.c: (walk_rtx) Remove unused variable link.
2699 * genrecog.c: (concat) Remove unreferenced static function.
2701 * prefix.c: Include <string.h>/<strings.h>, <stdlib.h>
2703 * stmt.c: Include <stdlib.h>.
2704 (expand_asm_operands): Remove unused variable val1.
2705 (expand_return): Remove unused variable block.
2706 (pushcase): Remove unused variables l and n.
2707 (pushcaserange): Likewise.
2709 * unroll.c (unroll_loop): Remove unused variable temp.
2711 Sat Feb 7 23:46:09 1998 Greg McGary <gkm@gnu.org>
2713 * c-decl.c (pushdecl): Set DECL_ORIGINAL_TYPE once only.
2715 Sat Feb 7 15:11:28 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2717 * aclocal.m4 (GCC_FUNC_PRINTF_PTR): New macro to test the printf
2718 functions for whether they support the %p format specifier.
2719 * acconfig.h (HOST_PTR_PRINTF): Insert stub for autoconf.
2720 * configure.in (GCC_FUNC_PRINTF_PTR): Use it.
2721 * configure, config.in: Rebuild.
2723 Fri Feb 6 14:20:16 1998 Jim Wilson <wilson@cygnus.com>
2725 * function.c (assign_parms): New variable named_arg, with value
2726 depending on STRICT_ARGUMENT_NAMING. Use instead of ! last_named.
2728 Fri Feb 6 14:34:28 1998 Gavin Koch <gavin@cygnus.com>
2730 * mips/t-r3900: New - same as t-ecoff but eliminate
2731 multilibs: mips1 and mips3.
2732 * configure.in (tx39*): Use new mips/t-r3900.
2733 * configure: Rebuild.
2734 * mips/r3900.h (MULTILIB_DEFAULTS): Eliminate mips1.
2736 1998-02-06 Jason Merrill <jason@yorick.cygnus.com>
2738 * dwarf2out.c: Add old_args_size.
2739 (dwarf2out_args_size): Use it.
2740 (dwarf2out_begin_prologue): Initialize it.
2741 (dwarf2out_stack_adjust): If !asynchronous_exceptions, save up
2742 pushed args until we see a call.
2743 * final.c (final_scan_insn): Hand CALL_INSNs off to the dwarf2 code
2744 before outputting them.
2746 1998-02-06 Kriang Lerdsuwanakij <lerdsuwa@scf.usc.edu>
2748 * cplus-dem.c (demangle_template_template_parm): New function.
2749 (demangle_template): Handle template template parameters.
2751 1998-02-02 Mark Mitchell <mmitchell@usa.net>
2753 * calls.c (expand_call): Don't confuse member functions named
2754 realloc, setjmp, and so forth with the standard library
2755 functions of the same names.
2757 Thu Feb 5 21:59:49 1998 Jeffrey A Law (law@cygnus.com)
2759 * stmt.c (expand_asm_operands): Correctly identify asm statements
2762 Thu Feb 5 21:56:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
2764 * c-common.c (decl_attributes): Flag unrecognized attribute
2765 functions as warnings instead of as errors.
2767 1998-02-05 Marc Lehmann <pcg@goof.com>
2769 * integrate.c (INTEGRATE_THRESHOLD): Inline only small functions
2770 when -Os is specified.
2771 * toplev.c (main): Don't disable flag_inline_functions anymore when
2774 Fri Feb 6 00:27:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2776 * regmove.c: Update.
2777 * flags.h (flag_regmove): Declare.
2778 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Don't declare.
2779 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2):
2780 Moved into regmove; changed caller.
2781 * toplev.c (rest_of_compilation): Call regmove_optimize also for
2782 expensive_optimizations.
2784 Thu Feb 5 13:38:42 PST 1998 Jeff Law (law@cygnus.com)
2786 * version.c: Bump for snapshot.
2788 Thu Feb 5 01:45:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2789 Undo this change (the problem was actually in reload):
2790 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2792 * sh.md (movqi_i+1): New peephole.
2794 Tue Feb 3 01:11:12 1998 Jeffrey A Law (law@cygnus.com)
2796 * jump.c (jump_optimize): Lose calls to modified_in_p they are
2797 not needed anymore due to changes elsewhere in jump.c.
2799 * jump.c (jump_optimize): Fix first arg to modified_in_p in
2802 Mon Feb 2 19:18:14 1998 Richard Henderson <rth@cygnus.com>
2804 * expr.c (expand_builtin_setjmp): Accept two new arguments for
2805 the labels to branch to on first and subsequent executions. Don't
2806 play with __dummy. Rename `setjmp' insn to `builtin_setjmp_setup',
2807 and provide it with the jmp_buf. Use only one of
2808 `builtin_setjmp_receiver' or `nonlocal_goto_receiver',
2809 and provide the former with the target label.
2810 (expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp.
2811 (expand_builtin) [BUILTIN_LONGJMP]: Split out to ...
2812 (expand_builtin_longjmp): ... here. Recognize a `builtin_longjmp'
2813 insn to replace all of the normal nonlocal_goto code. Don't play
2814 with __dummy. Correct arguments to nonlocal_goto.
2815 * expr.h (expand_builtin_setjmp): Update prototype.
2816 * except.c (start_dynamic_handler): When using builtin_setjmp,
2817 generate more accurate flow information.
2819 * alpha.md (nonlocal_goto_receiver_osf): Delete.
2820 (nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver.
2821 (builtin_longjmp, builtin_setjmp_receiver): New.
2822 * sparc.md (update_return): Disambiguate unspec number.
2823 (nonlocal_goto): Rearrange arguments to match caller in except.c.
2824 (builtin_setjmp_setup): Rename from setjmp. Match and ignore the
2826 * mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove.
2827 (builtin_setjmp_setup*, builtin_longjmp): New.
2829 Mon Feb 2 16:43:10 1998 John Carr <jfc@mit.edu>
2831 * mips.md: Change gen_rtx (CONST_INT) to GEN_INT.
2833 Mon Feb 2 13:06:47 1998 Jim Wilson <wilson@cygnus.com>
2835 * vmsconfig.com: Remove bytecode references.
2837 1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2839 * dwarf2out.c (dwarf2out_frame_init): Undo last change, so that
2840 -fno-sjlj-exceptions works for a target that defines
2841 DWARF2_UNWIND_INFO as zero.
2843 * regmove.c (fixup_match_1): Undo last change which removed some
2844 "useless" code, and add a comment explaining this.
2846 Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com)
2848 * mips.c (mips_expand_prologue): Change uses of TARGET_64BIT
2851 Mon Feb 2 10:38:41 1998 Klaus Kaempf <kkaempf@progis.de>
2853 * makefile.vms: Remove bytecode references.
2854 Create genrtl files.
2856 Mon Feb 2 02:08:04 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
2858 * jump.c (jump_optimize): Allow conditional loading of floating point
2859 constants and constants from memory. Reinstalled modified_in_p tests.
2861 Mon Feb 2 01:38:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2863 * loop.c (get_condition): Handle sign-extended constants.
2865 Mon Feb 2 01:22:46 1998 Hans-Peter Nilsson <hp@axis.se>
2867 * expr.c (emit_push_insn): Add code to use movstrti if present.
2869 * expr.c (emit_push_insn): Use same max-move-amount for movstrhi
2870 and movstrqi as in emit_block_move ().
2872 Mon Feb 2 00:09:52 1998 Toon Moene <toon@moene.indiv.nluug.nl>
2874 * config/m68k/x-next: Remove /NextDeveloper/Headers from
2875 the directories to fixinclude - /usr/include is a link
2876 to it and hence its contents are fixed by default.
2878 Sun Feb 1 14:15:33 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
2880 * rs6000/linux.h: define JUMP_TABLES_IN_TEXT_SECTION
2882 Sun Feb 1 13:01:15 1998 Klaus Kaempf <kkaempf@progis.de>
2884 * cccp.c (main): Predefine __VMS_VER on VMS.
2886 Sun Feb 1 12:39:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2888 * expr.c (get_inner_reference): Use sbitsizetype for type sizes.
2889 * fold-const.c (size_int): Replace with
2891 (make_bit_field_ref): Use bitsize_int for bit position.
2892 * stor-layout.c (sizetype): Delete.
2893 (sizetype_tab, sbitsizetype, ubitsizetype): Declare.
2894 (layout_record, layout_union, layout_type):
2895 Use bitsize_int for bit size.
2896 (set_sizetype): New function.
2897 (make_signed_type, make_unsigned_type): Use it.
2898 * c-decl.c (init_decl_processing): Likewise.
2899 * tree.h (size_int): Don't delcare, #define.
2900 (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
2901 (set_sizetype): Declare.
2902 (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
2904 * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
2905 Convert result to sizetype.
2906 (really_start_incremental_init, push_init_level):
2907 Set type of constructor_bit_index to sbitsizetype.
2908 (push_init_level): Use unsigned arithmetic to determine padding.
2909 (output_init_element): Likewise.
2911 Sun Feb 1 03:32:07 1998 Jeffrey A Law (law@cygnus.com)
2913 * combine.c (simplify_shift_const): Fix typo in last change.
2915 Sun Feb 1 02:50:46 1998 John Carr <jfc@mit.edu>
2917 * combine.c (simplify_shift_const): (lshiftrt (truncate (lshiftrt)))
2918 is (truncate (lshiftrt)).
2920 Sun Feb 1 01:06:53 1998 Richard Henderson <rth@cygnus.com>
2922 * alpha.c (alpha_expand_unaligned_load): Use expand_binop properly.
2923 Make sure result winds up in TGT.
2924 (alpha_expand_unaligned_store): Use expand_binop properly. Allow
2925 src to be other than DImode.
2926 (alpha_expand_unaligned_load_words): Tidy. Take an offset argument.
2927 (alpha_expand_unaligned_store_words): Likewise.
2928 (alpha_expand_block_move): Use REGNO_POINTER_ALIGN. Restructure so
2929 that source and destination are separately optimized for alignment.
2930 (alpha_expand_block_clear): Use REGNO_POINTER_ALIGN.
2932 Sun Feb 1 01:55:09 1998 Jeffrey A Law (law@cygnus.com)
2934 * mips.md (adddi3_internal_2): Be consistent with adddi3 expander
2935 with handling of -32768.
2937 Sun Feb 1 01:48:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2939 * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a
2940 shell variable argument instead of only hard coded functions.
2941 (GCC_NEED_DECLARATIONS): New macro to accept multiple functions.
2943 * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one
2944 call. Collapse multiple calls to GCC_NEED_DECLARATION into one
2945 call to GCC_NEED_DECLARATIONS (new macro.) Check if we need
2946 declarations for bcopy, bcmp and bzero.
2948 * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations.
2950 * gansidecl.h: If we have bcopy but don't declare it, then do so.
2951 Likewise for bcmp and bzero. Only define macros for bcopy, bcmp,
2952 bzero, index and rindex if they aren't already present.
2954 Sat Jan 31 11:26:58 1998 Jeffrey A Law (law@cygnus.com)
2956 * toplev.c (close_dump_file): Wrap function prototype for
2957 argument "func" in PROTO.
2958 (dump_rtl): Likewise.
2960 Fri Jan 30 22:30:39 1998 John Carr <jfc@mit.edu>
2962 * sparc.c (sparc_override_options): Make v8plus and ultrasparc set
2964 (output_function_epilogue): Omit epilogue if nothing drops through.
2965 (output_move_double): Supress int ldd usage on ultrasparc and v9.
2966 (registers_ok_for_ldd_peep): Likewise.
2967 (print_operand): Supress b,a on ultrasparc. Let Y accept a constant.
2968 (ultrasparc_adjust_cost): New function.
2969 (sparc_issue_rate): New function.
2970 * sparc.h (MASK_VIS, TARGET_VIS): New
2971 (MASK_V8PLUS, TARGET_V8PLUS): New.
2972 (TARGET_HARD_MUL32, TARGET_HARD_MUL): New.
2973 (TARGET_SWITCHES): Add vis and v8plus.
2974 (REG_CLASS_FROM_LETTER): Accept d and b for VIS.
2975 (REGISTER_MOVE_COST): FP<->INT move cost 12 for ultrasparc.
2976 (RTX_COSTS): Use TARGET_HARD_MUL
2977 (ADJUST_COST): Call ultrasparc_adjust_cost.
2979 * sparc.md (attr type): Add sload, fpmove, fpcmove. Adjust users
2980 of load & fp appropritely.
2981 (supersparc function units): Adjust for Haifa.
2982 (ultrasparc function units): Likewise.
2983 (get_pc_via_rdpc): All v9, not just arch64.
2984 (movdi_v8plus, movdi_v8plus+1): New.
2985 (adddi3_sp32+1): New.
2986 (subdi3_sp32+1): New.
2987 (movsi_insn, movsf_const_insn, movdf_const_insn): Know VIS.
2988 (addsi3, subsi3, anddi3_sp32, andsi3, and_not_di_sp32): Likewise.
2989 (and_not_si, iordi3_sp32, iorsi3, or_not_di_sp32, or_not_si): Likewise.
2990 (xorsi3_sp32, xorsi3, xor_not_di_sp32, xor_not_si): Likewise.
2991 (one_cmpldi2_sp32, one_cmplsi2): Likewise.
2992 (ldd peepholes): Suppress for v9.
2993 (return_adddi): Kill redundant test. Arg1 may be arith_operand.
2994 (return_subsi): Revmove.
2996 Fri Jan 30 18:30:03 1998 John F Carr <jfc@mit.edu>
2998 * mips.c (save_restore_insns): Set RTX_UNCHANGING_P in register
2999 save/restore MEM rtl.
3001 Fri Jan 30 09:08:16 1998 Jeffrey A Law (law@cygnus.com)
3003 * configure.in: Check for declaration of abort.
3004 * acconfig.h: Corresponding changes.
3005 * toplev.c: Use NEED_DECLARATION_ABORT to determine if abort should
3008 Thu Jan 29 20:26:12 1998 Jeffrey A Law (law@cygnus.com)
3010 * genattrtab.c (optimize): Define in case PRESERVE_DEATH_INFO_REGNO_P
3013 Thu Jan 29 09:27:56 PST 1998 Jeff Law (law@cygnus.com)
3015 * version.c: Bump for snapshot.
3017 Thu Jan 29 10:12:27 1998 Jeffrey A Law (law@cygnus.com)
3019 * configure.in: Check for atoq and atoll.
3020 * rtl.c (read_rtx): Use HAVE_ATOLL and HAVE_ATOQ to select the
3021 proper routine for converting ascii into long long values.
3023 Thu Jan 29 01:28:14 1998 Klaus Kaempf <kkaempf@progis.de>
3025 * cccp.c (SYS$SEARCH, SYS$PARSE): Write as upper-case.
3027 * vmsconfig.com: Remove bytecode references.
3029 * alpha/vms.h (PREFIX): Define.
3031 * alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Remove.
3033 * am-alpha.h: Don't include alloca for OPEN_VMS.
3035 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define.
3037 * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define.
3038 (GCC_INCLUDE_DIR): Define
3040 * make-cc.com, make-cccp.com, make-cc1.com: Removed.
3041 * makefile.vms: New file.
3043 * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha.
3045 * alpha.c (output_prolog): Output '.name' directive
3046 for minimal traceback information.
3048 * alpha.c (output_prolog): Don't prepend entry point symbols
3049 with '$' on OPEN_VMS.
3051 Thu Jan 29 00:25:35 1998 David S. Miller <davem@tanya.rutgers.edu>
3052 Jeffrey A Law (law@cygnus.com)
3054 * rtl.c (read_rtx): Use atol/atoq based upon disposition of
3057 * genattrtab.c (write_test_expr): Use HOST_WIDE_INT_PRINT_DEC
3059 * genemit.c (gen_exp): Likewise.
3060 * genpeep.c (match_rtx): Likewise.
3061 * genrecog.c (write_tree_1): Likewise.
3063 * c-lex.c (yyprint): Use proper format string based upon
3064 disposition of HOST_BITS_PER_WIDE_INT.
3065 (yylex): Put casts in right place for args to build_int_2.
3067 Thu Jan 29 00:24:29 1998 Jeffrey A Law (law@cygnus.com)
3069 * combine.c: Fix typos in Jan27 changes.
3071 Thu Jan 29 00:07:49 1998 Ollivier Robert <roberto@keltia.freenix.fr>
3073 * i386/freebsd.h (LIB_SPEC): Correctly handle -shared, -p and friends.
3074 (LINK_SPEC): Likewise.
3075 (STARTFILE_SPEC): Likewise.
3077 1998-01-28 Mike Stump <mrs@wrs.com>
3079 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
3081 * genattrtab.c (reload_completed): Define.
3083 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete
3086 Wed Jan 28 20:11:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3088 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
3089 SUBREG_REG if the word count is unchanged, also in the input reload
3090 case. Disable non-applicable sanity checks.
3092 Wed Jan 28 20:08:26 1998 Jeffrey A Law (law@cygnus.com)
3094 * config/t-svr4 (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
3096 Wed Jan 28 20:04:43 1998 Ian Lance Taylor <ian@cygnus.com>
3098 * i386/t-cygwin32 (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
3100 Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com>
3102 * dbxout.c (dbxout_type): For a RECORD_TYPE, check that TYPE_BINFO
3103 is a TREE_VEC before trying to use it for baseclasses.
3104 (Chill uses the same field for a different purpose.)
3106 * toplev.c (strip_off_ending): Generalize to endings up to 5 chars.
3108 Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi>
3110 * config.sub: More accurate determination of HP processor types.
3112 Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3114 * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
3115 prototype for `handle_sysv_pragma', and make it static. Add
3116 parentheses around assignment used as truth value.
3118 * combine.c (combine_instructions): Protect variable `prev' with
3120 (can_combine_p): Protect variable `link' with AUTO_INC_DEC.
3121 (extract_left_shift): Add parentheses around operand of &.
3122 (merge_outer_ops): Avoid an empty body in an else-statement.
3123 (gen_rtx_combine): Remove unused variable `i'.
3125 * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
3126 function monstartup `void'. Likewise for internal_mcount. Add
3127 `static void' prototype for moncontrol. Reconcile sprintf format
3130 * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
3131 Make return type of function_arg_slotno explicitly `int'.
3132 (reg_unused_after): Add parentheses around assignment used as
3134 (save_regs): Add explicit braces to avoid ambiguous `else'.
3135 (function_arg_slotno): Add parentheses around && within ||.
3136 (function_arg_pass_by_reference): Likewise.
3137 (sparc_flat_output_function_prologue): Reconcile fprintf format
3140 * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
3141 assignment used as truth value.
3143 * cplus-dem.c: Include <stdlib.h>.
3144 (demangle_signature): Avoid an empty body in an else-statement.
3145 (do_type): Remove unused variable `lvl'.
3147 * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
3148 Include <string.h>/<strings.h>.
3149 (cpp_lex): Remove unused variable `namelen'.
3150 (cpp_lex): Explicitly declare `num_chars' as an int.
3152 * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
3153 <unistd.h> instead. Explicitly declare is_system_include
3155 (make_assertion): Remove unused variable `kt'.
3156 (cpp_expand_to_buffer): Hide variable `obuf'.
3157 (output_line_command): Remove unused variables, `line_end',
3158 `line_cmd_buf' and `len'.
3159 (macarg): Remove unused variable `arg_start'.
3160 (special_symbol): Remove unused variable `i'. Add parentheses
3161 around assignment used as truth value.
3162 (do_include): Remove unused variables `pcfname' and `retried',
3163 hide `pcf' and `pcfbuflimit'.
3164 (do_line): Remove unused variable `i'.
3165 (finclude): Hide variable `missing_newline'.
3166 (cpp_handle_options): Remove unused variable `j'.
3167 (read_token_list): Remove unused variable `eofp'.
3168 (cpp_error_with_line): Remove unused variable `i'.
3169 (cpp_warning_with_line): Likewise.
3170 (cpp_pedwarn_with_line): Explicitly declare `column' as int.
3171 (cpp_error_from_errno): Remove unused variable `i'.
3173 * cse.c (invalidate): Add parentheses around assignment used as
3175 (find_best_addr): Move declaration of variable `our_cost' inside
3176 the conditional macro where its used.
3177 (fold_rtx): Avoid an empty body in an if-statement.
3178 (cse_insn): Wrap variables `this_insn_cc0_mode' and
3179 `this_insn_cc0' in macro HAVE_cc0.
3181 * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
3182 (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
3183 (output_uleb128): Likewise.
3184 (output_sleb128): Likewise.
3185 (output_cfi): Likewise.
3186 (output_call_frame_info): Remove unused variables `j', `fde_size'
3188 (comp_unit_has_inlines): Hide declaration as per rest of file.
3189 (size_of_line_prolog): Correct typo in prototype.
3190 (add_arange): Likewise.
3191 (output_aranges): Likewise.
3192 (add_name_and_src_coords_attributes): Likewise.
3193 (gen_array_type_die): Likewise.
3194 (gen_inlined_subroutine_die): Likewise.
3195 (equate_decl_number_to_die): Remove unused variable `i'.
3196 (print_die): Reconcile format vs. args in fprintf's.
3197 (print_dwarf_line_table): Likewise.
3198 (output_die): Likewise.
3199 (output_line_info): Likewise.
3200 (add_subscript_info): Avoid an empty body in an else-statement.
3201 (gen_subprogram_die): Remove unused variable `fp_loc'.
3203 * dwarfout.c: Explicitly declare `next_pubname_number' as int.
3204 Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
3205 macro. Protect `src_coords_attribute' prototype with
3206 DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
3207 prototype as in the rest of the file. Likewise for
3208 `output_pointer_type_die' and `output_reference_type_die'. Remove
3209 prototype for `type_of_for_scope'.
3210 (output_unsigned_leb128): Reconcile format vs. args in fprintf.
3211 (type_attribute): Add explicit braces to avoid ambiguous `else'.
3213 * final.c: Include <stdlib.h> and <string.h>/<strings.h>.
3214 (shorten_branches): Protect declaration of tmp_length with
3215 SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
3216 (profile_function): Protect declaration of `sval' and `cxt'
3217 variables with appropriate macros.
3218 (final_scan_insn): Likewise for `note' variable. Add explicit
3219 braces to avoid empty body in an if-statement.
3220 (output_asm_insn): Move variable `i' inside macro conditional
3221 where it is used. Add parentheses around assignment used as truth
3223 (asm_fprintf) Likewise, likewise.
3225 * fix-header.c (main): Remove unused variable `done'. Protect
3226 declaration of `i' with FIXPROTO_IGNORE_LIST.
3228 * pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
3230 * print-rtl.c (print_inline_rtx): Explicitly declare the parameter
3233 * profile.c: Include <string.h>/<strings.h>.
3234 (instrument_arcs): Remove unused variables `note', `inverted',
3235 `zero' and `neg_one'.
3236 (branch_prob): Avoid empty body in an if-statement.
3238 * regclass.c: Include <stdlib.h>.
3239 (reg_alternate_class): Explicitly declare parameter `regno'.
3241 * regmove.c (regmove_optimize): Remove unused variable `p'. Add
3242 parentheses around assignment used as truth value.
3243 (find_matches): Remove unused variables `output_operand' and
3245 (fixup_match_1): Remove statement with no effect: "if (0) ;".
3247 * scan.c (sstring_append): Explicitly declare `count' as int.
3248 (scan_string): Explicitly declare parameter `init' as int.
3250 * sched.c: Include <stdlib.h>.
3251 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
3252 (rank_for_schedule): Add parentheses around assignment used as
3254 (schedule_block): Likewise.
3255 (regno_use_in): Likewise.
3256 (schedule_insns): Remove unused variable `i'.
3258 * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
3259 (v_message_with_decl): Remove unused variable `n'.
3260 (botch): Explicitly declare parameter `s' as char *.
3261 (main): Add parentheses around assignment used as truth value.
3263 * tree.c (make_node): Protect the variable `kind' with the
3264 GATHER_STATISTICS macro.
3265 (real_value_from_int_cst): Move variable `e' inside conditional
3266 macro area where it is used.
3267 (tree_last): Add parentheses around assignment used as truth value.
3268 (build1): Protect the variable `kind' with the GATHER_STATISTICS
3270 (print_obstack_statistics): Reconcile format vs. args in fprintf.
3271 Protect variables `i', `total_nodes', and `total_bytes' with the
3272 GATHER_STATISTICS macro.
3274 Tue Jan 27 23:01:55 1998 Mike Stump (mrs@wrs.com)
3276 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add
3277 some comments regarding use of dead_or_set_p.
3279 Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com>
3281 * fixincludes: Tweak fix for struct exception in math.h
3283 Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com)
3285 * mips/mips.c (mips_expand_prologue,mips_expand_epilogue):
3286 Change mode of registers used to add/sub from
3287 hard_frame_pointer_rtx from word_mode to Pmode.
3289 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
3291 * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use
3292 asm_output_aligned_bss() instead of asm_output_bss().
3294 * toplev.c (rest_of_compilation): Replace references to
3295 stack_reg_dump_file and dbr_sched_dump_file with references to
3298 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
3300 * tlink.c (scan_linker_output): Call fclose() for opened files.
3302 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
3304 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
3305 compiling with -fpic -- we want to be able to override symbols
3307 (alpha_expand_block_move): Fix thinko in last change.
3309 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
3310 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
3311 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
3313 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
3315 * alpha.md (abssf, absdf): Revert last change.
3317 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
3319 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
3320 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
3322 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
3324 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
3325 a CONST_INT into SFmode.
3327 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
3329 * flags.h: New flag (optimize_size).
3330 * toplev.c (main): Parse -Os option and set optimize_space
3332 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
3333 __OPTIMIZE_SIZE__ when compiling with -Os.
3334 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
3335 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
3336 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
3338 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
3340 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
3342 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
3343 stuff only if MCT_TEXT is #define'd.
3345 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
3347 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
3350 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
3352 * toplev.c: Add -dM command line option to dump RTL after the
3353 machine dependent reorganisation pass, if there is one.
3354 Reorganise RTL dump code, so that only one file handle is
3357 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
3359 * except.c (check_exception_handler_labels): Disable warning when
3362 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
3364 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
3366 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3368 * c-decl.c (grokdeclarator): Get parameter tags from
3369 last_function_parm_tags.
3370 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
3371 traversing the parameter types.
3372 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
3374 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
3376 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
3378 (get_shift_alg): Fix typo.
3380 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
3382 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
3384 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
3386 * toplev.c (get_run_time): Make sure each case gets its variables.
3388 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
3390 * configure.in (build_xm_file): Add auto-config.h if host=build.
3391 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
3392 (build_xm_file_list): Likewise.
3393 * configure: Rebuild.
3395 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
3397 * recog.c (validate_replace_rtx_1): Only perform substitutions
3398 of arguments to commutative and comparison operators once.
3400 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3402 * sparc.c (output_cbranch): Add default case in
3405 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
3406 (emit_delay_sequence): Eliminate unused parameter, all callers
3408 (fill_simple_delay_slots): Likewise.
3409 (fill_slots_from_thread): Likewise.
3410 (fill_eager_delay_slots): Likewise.
3411 (mark_referenced_resources): Add default case in enumeration switch.
3412 (mark_set_resources): Likewise.
3413 (rare_destination): Likewise.
3414 (mostly_true_jump): Likewise.
3415 (find_dead_or_set_registers): Likewise.
3416 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
3417 (update_reg_unused_notes): Remove unused variable `p'.
3418 (mark_target_live_regs): Remove unused variables `next' and
3420 (fill_simple_delay_slots): Remove unused variable `j'.
3421 (fill_slots_from_thread): Add parentheses around assignment used
3423 (dbr_schedule): Likewise.
3425 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
3426 (objc.stage2, objc.stage3, objc.stage4): Likewise.
3428 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
3430 * cse.c (simplify_ternary_operation): Don't try to simplify
3431 IF_THEN_ELSE expressions (created by combine) that don't use
3432 relational operators.
3434 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
3436 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
3439 * crtstuff.c (init_dummy): Keep the epilogue in the init
3440 section for non-ELF systems.
3442 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3444 * sh.md (movqi_i+1): New peephole.
3446 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
3448 * Makefile.in: Remove remaining bytecode stuff.
3449 * emit-rtl.c, expr.c: Likewise.
3451 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
3453 * toplev.c (lang_options): Add unknown-pragma options.
3455 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
3457 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
3458 special (and incomplete) handling for Chill arrays.
3460 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
3462 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
3465 Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com)
3467 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
3469 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
3471 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
3472 .frame directive instead of FRAME_POINTER_REGNUM.
3474 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
3476 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
3477 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
3478 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
3479 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
3480 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
3481 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
3482 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
3483 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
3485 * longlong.h: Replace __mc68332__ with __mcpu32__.
3487 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
3489 * version.c: Bump for snapshot.
3491 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
3493 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
3494 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
3495 * reload1.c (eliminate_regs): Likewise.
3497 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
3499 * regmove.c (find_matches): Initialize matches->earlyclobber too.
3501 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
3503 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
3504 (negsf2, negdf2): Use proper subtract in IEEE mode.
3506 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
3508 * Makefile.in: Remove more bytecode stuff.
3509 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
3510 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
3511 * f/install.texi, objc/Make-lang.in: Likewise.
3513 * Makefile.in: Remove all bytecode support.
3514 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
3515 * emit-rtl.c: Remove all bytecode support.
3516 * expr.c, expr.h function.c, integrate.c: Likewise.
3517 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
3518 * tree.h, varasm.c: Likewise.
3519 * config/m68k/m68k.h: Likewise.
3520 * bi-*, bc-*, bytecode*: Delete bytecode related files.
3521 * modemap.def: Likewise.
3523 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
3525 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
3526 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
3528 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
3530 * i386.md (push): Prohibit symbolic constants if flag_pic.
3531 (movsi+1): Likewise for move to non-register.
3533 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
3535 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
3536 (print_operand): Handle 0xffffffff on 32 bit host.
3538 * configure.in (thread_file): Rename uses before main loop to
3539 target_thread_file. Initialize to empty in main loop. Set thread_file
3540 to target_thread_file after main loop if not set.
3541 * configure: Rebuild.
3543 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
3544 (add_values_to_cover): Revert last change (which had no ChangeLog
3546 (simplify_with_current_value_aux): Handle CONST_INT.
3548 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3550 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
3552 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
3554 * configure.in: Add cpp stringify test.
3555 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
3556 * gengenrtl.c: Use it.
3557 * configure, config.in: Rebuild.
3559 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3561 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
3563 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
3565 * configure.in: Find declaration for sbrk.
3566 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
3567 * config.in, configure: Rebuild.
3568 * mips-tfile.c: Properly protect declaration of sbrk and free.
3569 * toplev.c: Properly protect declaration of sbrk.
3571 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
3573 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
3575 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
3577 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
3579 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
3581 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
3583 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
3585 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
3586 constant offset computations from objects with known alignment in
3587 the presence of STACK_BIAS.
3589 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
3591 (const_hash): Hash val is unsigned long.
3592 (SYMHASH): Likewise.
3594 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
3596 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
3597 char pointer, not HOST_WIDE_INT.
3598 (print_node): Likewise. Also hash is unsigned long not
3601 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
3603 * explow.c (optimize_save_area_alloca): New function for targets
3604 where SETJMP_VIA_SAVE_AREA is true.
3605 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
3606 compute the amount of stack space needed should we find later that
3607 setjmp is never called by this function, stuff rtl for this inside
3608 a REG_NOTE of the final SET of stack_pointer_rtx.
3609 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
3610 current_function_calls_alloca, call optimize_save_area_alloca.
3612 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
3614 * i386.md: Remove redundant integer push patterns.
3615 Don't bother checking for TARGET_PUSH_MEMORY when
3616 pushing constants or registers.
3618 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
3619 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
3621 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
3622 (pwait): New function for mingw32.
3624 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
3625 pipe support is broken for now.
3627 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
3629 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
3630 between frame_pointer_rtx, hard_frame_pointer_rtx, and
3631 arg_pointer_rtx is respected in initialization.
3632 (init_emit_once): Use gen_rtx_raw_REG() to create
3633 return_address_pointer_rtx.
3635 * reorg.c: #include "expr.h" for rtx prototypes.
3636 * Makefile.in (reorg.o): Depend on expr.h
3638 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
3640 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
3641 local_prefix to sub-make invocations.
3643 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
3645 * objc-parse.c: Recognize protocol qualifiers in class definitions.
3647 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
3651 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
3652 * configure.in: Check for atol.
3653 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
3655 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
3657 * loop.c (find_and_verify_loops): When attempting to move insns from
3658 inside the loop outside the loop, create a BARRIER if no suitable
3661 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
3662 favor of an equivalent change from gcc-2.8.
3664 * i386/x-sco5 (CC): Remove trailing whitespace.
3666 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3668 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
3669 (accessor_from_format): Likewise.
3670 (xmalloc): New function for use when linking with alloca.o.
3672 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
3674 * frame.c (find_fde): Correct FDE's upper bound.
3676 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
3678 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
3680 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
3682 * calls.c (expand_call): Move #ifdef code out of macro argument
3684 (emit_library_call, emit_library_call_value): Likewise.
3686 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
3688 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
3690 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
3692 * version.c: Bump for snapshot.
3694 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
3696 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
3697 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
3698 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
3699 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
3700 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
3701 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
3702 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
3703 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
3704 * unroll.c, varasm.c: Likewise.
3705 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
3707 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
3709 * mips.h: Fix some type-o's from a previous change.
3711 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
3713 * loop.c (check_dbra_loop): Make sure initial value is a
3714 CONST_INT before trying to normalize it.
3716 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
3718 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
3720 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
3722 * cppexp.c: Include gansidecl.h
3724 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
3726 * svr4.h (LINK_SPEC): Never specify -h.
3727 * ptx4.h (LINK_SPEC): Likewise.
3728 * rs6000/sysv4.h (LINK_SPEC): Likewise.
3729 * sparc/sol2.h (LINK_SPEC): Likewise.
3731 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
3733 * c-typeck.c (comptypes): Exit early on NULL input.
3735 * haifa-sched.c (schedule_insns): Correctly remove inter-block
3736 dependencies after reload.
3738 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
3740 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
3742 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
3744 * alpha/vms.h (DIR_SEPARATOR): define
3746 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
3748 * Makefile.in (stamp-proto): Remove.
3749 (protoize.o, unprotoize.o): Straightforward compile.
3750 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
3752 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
3754 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
3755 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
3757 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
3759 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
3760 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
3761 * sparc/netbsd.h, vax/netbsd.h: Likewise.
3763 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
3765 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
3767 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
3769 * configure.in (target_cpu_default, target_cpu_default2): Use double
3770 quotes around them when testing their value.
3771 * configure: Rebuilt.
3773 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
3775 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
3777 (gendef): Call obstack_alloc_rtx.
3779 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
3781 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
3784 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
3786 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
3787 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
3788 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
3790 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
3792 * mips.md (return_internal): Change mode from SImode to VOIDmode.
3794 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
3796 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
3799 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
3801 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
3802 suffix from operand 3.
3804 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3805 Jeffrey A Law (law@cygnus.com)
3807 * regmove.c: New implementation of regmove pass.
3808 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
3809 decls, make them have external linkage. Return a value from
3810 optimize_reg_copy_1.
3811 * reload.h (count_occurrences): Add decl.
3812 * reload1.c (count_occurrences): Delete decl, make it have external
3814 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
3816 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
3818 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
3819 if it is not defined.
3821 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
3823 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
3824 * emit-rtl.c (gen_rtx): Move special code to ...
3825 (gen_rtx_CONST_INT): New function.
3826 (gen_rtx_REG): New function.
3827 (*): Update all calls to gen_rtx.
3828 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
3829 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
3830 (GEN_INT): Call gen_rtx_CONST_INT.
3831 * gengenrtl.c: New file.
3833 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
3835 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
3836 (base_alias_check): If no base found for address call canon_rtx and
3839 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
3841 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
3842 arguments for mips16.
3843 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
3844 Don't lose if tsize is zero after handling large stack for mips16.
3845 * mips.md (return): For trivial return, return address is in $31.
3847 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
3849 * mips/mips16.S: Various changes to make it work with -msingle-float
3852 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
3853 Ian Lance Taylor <ian@cygnus.com>
3854 Jeff Law <law@cygnus.com>
3856 * mips.c, mips.h, mips.md: First cut at merging in mips16
3857 support. Major modifications throughout all three files.
3859 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
3861 * configure.in: Make gthr-default.h a forwarding header instead of
3864 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3866 * gcov-io.h: Include sys/types.h to ensure we get size_t.
3868 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
3870 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
3871 Jeffrey A Law (law@cygnus.com)
3873 * crtstuff.c (__frame_dummy): New function for irix6.
3874 (__do_global_ctors): Call __frame_dummy for irix6.
3875 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
3877 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
3879 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
3881 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
3883 * c-decl.c (init_decl_processing): Provide proper fallback symbol
3884 for __builtin_memset.
3885 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
3886 not INTEGER_CST. Assert arg 3 is a constant.
3888 * alpha.c (mode_width_operand): Accept 64-bit modes.
3889 (mode_mask_operand): Likewise.
3890 (print_operand): Likewise for 'M' and 'U' codes.
3891 (alpha_expand_unaligned_load): New function.
3892 (alpha_expand_unaligned_store): Likewise.
3893 (alpha_expand_unaligned_load_words): Likewise.
3894 (alpha_expand_unaligned_store_words): Likewise.
3895 (alpha_expand_block_move): Likewise.
3896 (alpha_expand_block_clear): Likewise.
3897 * alpha.h (MOVE_RATIO): New define.
3898 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
3899 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
3901 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
3902 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
3904 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
3906 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
3907 * configure: Update.
3909 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
3911 * emit-rtl.c (operand_subword): Correctly handle extracting a word
3912 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
3914 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
3917 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
3919 * configure.in: Set and subsitute host_exeext. Use it when creating
3920 the assembler and linker symlinks.
3921 * configure: Rebuild.
3922 * Makefile.in (exeext): Set to @host_exeext@.
3923 (build_exeext): New variable, set to @build_exeext@.
3924 (FLAGS_TO_PASS): Pass down build_exeext.
3925 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
3928 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
3930 * mn10200.md (addsi3, subsi3): Fix thinkos.
3932 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
3934 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
3935 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
3936 unix always, since we want to be able to thunk to functions in a
3937 shared library from an application.
3939 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
3941 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
3942 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
3944 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
3946 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
3947 offset's mode is not ptr_mode, convert it.
3949 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
3951 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
3952 compiling if it was already defined.
3954 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
3956 * flow.c (find_basic_blocks): Don't create a new basic block
3957 for calls in a LIBCALL block.
3959 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
3961 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
3963 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
3965 * cse.c (rtx_cost): Remove conflicting default case.
3967 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
3969 * configure.in: Move default enabling of Haifa out of for loop.
3970 * configure: Rebuild.
3972 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
3974 * version.c: Bump for snapshot.
3976 1997-12-25 Teemu Torma <tot@trema.com>
3978 * Makefile.in (GTHREAD_FLAGS): New var.
3979 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
3980 (distclean): Remove gthr-default.h.
3982 * configure.in: Accept dce as a thread package.
3983 Check for thread.h and pthread.h.
3984 Link gthr-default.h to appropriate thread file and set
3986 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
3987 include multilib definitions from pa/t-dce-thr.
3988 (sparc-*-solaris2*): Enable threads by default, if thread.h or
3989 pthread.h is found, preferring posix threads over solaris ones.
3991 * config/pa/t-dce-thr: New file.
3992 * config/pa/t-pa: Removed multilibs.
3993 * config/sparc/t-sol2: Ditto.
3996 * gthr-single.h: New file.
3997 * gthr-posix.h: New file.
3998 * gthr-solaris.h: New file.
3999 * gthr-dce.h: New file.
4000 * libgcc-thr.h: Removed.
4001 * objc/thr-dce.c: New file copied from thr-decosf1.c.
4003 * frame.c: Include gthr.h instead of libgcc-thr.h.
4004 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
4005 (eh_context_initialize): If __gthread_once fails, use static eh
4007 (eh_context_free): Call __gthread_key_dtor.
4009 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
4011 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
4013 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
4015 * cse.c (max_insn_uid): New variable.
4016 (cse_around_loop): Use max_insn_uid.
4017 (cse_main): Set max_insn_uid.
4019 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
4020 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
4021 -mlong64, and -mgp{32,64} options.
4022 * mips.c (mips_abi): Change type to int.
4023 * mips.h (enum mips_abi_type): Delete.
4024 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
4025 (mips_abi): Change type to int.
4027 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
4029 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
4030 optimization is now always enabled.
4032 * calls.c (expand_call): Recognize C++ operator new as malloc-like
4035 * alias.c (memrefs_conflict_p): Eliminate tests now done by
4037 (*_dependence): Call canon_rtx before base_alias_check.
4038 (init_alias_once): New function to precompute set of registers which
4039 can hold Pmode function arguments.
4041 * rtl.h: Declare init_alias_once.
4043 * toplev.c (compile_file): Call init_alias_once.
4045 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
4047 * tree.c (restore_tree_status): Do not dereference a null pointer.
4049 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
4051 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
4052 RLIMIT_STACK. This maintains consistency with the recent, similar
4053 patch to cccp.c and toplev.c.
4055 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
4057 * genattrtab.c (expand_units): For large nr opclasses, expand
4058 function_units_used with ORX to prevent blowups. Tag with FFS.
4059 (num_unit_opclasses): New variable.
4060 (gen_unit): Update it.
4061 (enum operator): Add ORX_OP.
4062 (operate_exp): Treat ORX as or, except don't expand across an if.
4063 Reuse number rtx's after operating on them.
4064 (check_attr_value): Accept IOR, AND, & FFS.
4065 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
4066 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
4067 (write_expr_attr_cache, write_toplevel_expr): New functions.
4068 (write_attr_get): Handle FFS-tagged expressions.
4069 (make_canonical): Don't expand const attributes.
4070 (convert_const_symbol_ref): Dike out.
4071 (evaluate_eq_attr): Handle SYMBOL_REF.
4072 (main): Don't emit get_attr_foo for const attributes.
4074 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
4075 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
4076 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
4077 * alpha.md: Redo all of the scheduling, adding EV6 support, and
4078 combining function units where possible.
4079 (attr "type"): Split loads, stores, cmov into int/fp. Combine
4080 multiplies and divides. Add EV6 sqrt, ftoi, itof.
4081 (attr "opsize"): New attribute.
4082 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
4083 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
4084 to control register allocation.
4085 (movsi2-1, movdi2-1): Likewise.
4087 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
4089 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
4090 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
4091 Move OSF/1 specific defines out.
4092 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
4093 Move Linux specific defines out.
4094 (LINK_SPEC): Genericize.
4095 (ASM_FILE_START): Emit .arch if using more than the base insn set.
4096 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
4097 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
4098 (HANDLE_SYSV_PRAGMA): Define.
4099 * alpha/osf.h: New file.
4100 * alpha/linux.h: Split. Retain file-format independant defines.
4101 Import Linux bits from elf.h.
4102 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
4103 (FUNCTION_PROFILER): _mcount takes its address in $28.
4104 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
4105 * alpha/linux-ecoff.h: New file.
4106 * alpha/linux-elf.h: New file.
4107 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
4108 * alpha/win-nt.h (TARGET_DEFAULT): Define.
4109 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
4110 Add new headers as appropriate.
4112 * configure.in (alpha*): Enable Haifa by default.
4113 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
4114 * configure: Rebuild.
4116 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
4118 * Makefile.in (clean): Remove the stages with their objects here ...
4119 (distclean): ... instead of here.
4121 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4123 * cse.c (rtx_cost): Add default case in enumeration switch.
4124 * fix-header.c (recognized_macro): Likewise.
4125 (recognized_extern): Likewise.
4126 (write_rbrac): Likewise.
4127 * objc/objc-act.c (encode_aggregate): Likewise.
4128 (gen_declarator): Likewise.
4129 (gen_declspecs): Likewise.
4131 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
4133 * haifa-sched.c (create_reg_dead_note): Detect and handle another
4134 case where we kill more regs after sched than were killed before
4136 * sched.c (create_reg_dead_note): Similarly.
4138 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
4140 * c-pragma.c: Include flags.h.
4142 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
4144 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
4145 about system headers.
4146 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
4147 and also to resolve symbols in prefix.c.
4149 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
4150 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
4151 when the definitions in auto-config.h is not visible.
4152 (HAVE_BZERO): Likewise.
4153 (HAVE_BCMP): Likewise.
4154 (HAVE_RINDEX): Likewise.
4155 (HAVE_INDEX): Likewise.
4157 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
4159 * pa.c (emit_move_sequence): Handle a function label source
4162 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
4164 * c-pragma.c (handle_pragma_token): Generate warning messages
4165 about unknown pragmas if warn_unknown_pragmas is set.
4167 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
4168 line option to set variable: warn_unknown_pragmas.
4170 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
4172 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
4174 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
4176 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
4178 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
4179 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
4180 generate more fine grained floating point emulation libraries.
4181 * config/fp-bit.c: Add protecting #ifdef to all functions so
4182 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
4183 then compile all suitable functions.
4184 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
4185 underscores to avoid namespace pollution.
4186 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
4188 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
4192 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4193 Jeff Law <law@cygnus.com>
4195 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
4197 * c-decl.c (finish_decl): Use parentheses around && within ||.
4198 * rtl.c: Include stdlib.h.
4199 (read_skip_spaces): Add parentheses around assignments used as
4201 (read_rtx): Initialize list_rtx.
4202 * cppexp.c (parse_number): Use || when operands are truth values.
4203 * alias.c (find_base_value): Add default case.
4204 (memrefs_conflict): Likewise.
4205 * combine.c (sets_function_arg_p): Likewise.
4206 * genemit.c (gen_exp): Likewise.
4207 * local-alloc.c (contains_replace_regs): Likewise.
4208 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
4209 * fold-const.c (fold_convert): Use "&&" for truth values.
4210 (fold): Add default case.
4211 * sdbout.c (sdbout_field_types): Fix typo in declaration.
4212 (sdbout_one_type): Add default case.
4213 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
4214 (some_operand): Add default case.
4215 (input_operand): Likewise.
4216 (signed_comparison_operator): Likewise.
4217 (divmod_operator): Likewise.
4218 (alpha_set_memflags_1): Likewise.
4219 * reload1.c (reload_cse_simplify_operands): Ensure function
4220 always returns a value.
4221 * scan-decls.c (scan_decls): Likewise.
4222 * c-lex.c (skip_white_space): Fix typo in declaraion.
4223 * c-typeck.c (comp_target_types): Add parentheses around assignment
4224 used as truth value.
4225 (print_spelling): Likewise.
4226 (constructor_implicit, constructor_result): Remove unused variables.
4227 * collect2.c (scan_library): Protect prototype with
4228 #ifdef SCAN_LIBRARIES.
4229 * emit-rtl.c (find_line_note): Fix typo in declaration.
4230 * final.c (asm_insn_count): Protect prototype with
4231 #ifdef HAVE_ATTR_length.
4232 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
4233 (try_pre_increment_1, try_pre_increment): Likewise.
4234 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
4235 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
4236 * gcov-io.h (__store_long, __write_long, __read_long): Fix
4237 unsigned/signed comparisons.
4238 * gcov.c (read_files): Remove unused "first_type" variable.
4239 (scan _for_source_files): Initialize s_ptr.
4240 (function_summary): Eliminate "%lf" formatting, use %ld for
4242 (output_data): Initialize branch_probs and last_line_num.
4243 Eliminate "%lf" formatting, use "%ld" for longs.
4245 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
4247 * mips16.S: New file.
4249 * libgcc2.c (varargs): Handle mips16.
4251 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
4253 * stmt.c (expand_end_case): Likewise.
4254 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
4255 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
4256 * rs6000.h, sh.h, tahoe.h, v850.h, vax.h: Likewise.
4258 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4260 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
4261 the build directory.
4262 (libobjc.a): Update dependency list.
4263 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
4265 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
4266 (objc.mostlyclean): Remove runtime-info.h.
4268 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
4270 * tree.c (build_range_type): Allow creation of ranges with no maximum.
4271 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
4272 * dwarf2out.c (add_subscript_info): Likewise.
4273 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
4274 * sdbout.c (plain_type_1): Likewise.
4275 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
4277 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
4280 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4282 * mips.c (fatal): Remove declaration.
4284 1997-12-18 Mark Mitchell <mmitchell@usa.net>
4286 * integrate.c (get_label_from_map): New function.
4287 (expand_inline_function): Use it. Initialize the label_map to
4288 NULL_RTX instead of gen_label_rtx.
4289 (copy_rtx_and_substitute): Use get_label_from_map.
4290 * integrate.h (get_label_from_map): New function.
4291 (set_label_from_map): New macro.
4292 * unroll.c (unroll_loop): Use them.
4293 (copy_loop_body): Ditto.
4295 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
4297 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
4298 (INIT_TARGET_OPTABS): Define.
4299 * mips/ecoff.h: Include gofast.h before mips.h.
4300 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
4301 * mips/elf64.h: Likewise.
4302 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
4304 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
4306 * except.c: Remove register_exception_table{,_p}.
4308 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
4310 * unroll.c (calculate_giv_inc): Handle constant increment found in
4311 a MEM with an appropriate REG_EQUAL note.
4313 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
4315 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
4316 frame pointer in the prologue.
4318 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
4320 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
4321 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
4323 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
4325 * config/m68k/m68k.c (output_function_prologue): Typecast
4326 dwarf2out_cfi_label to (char *).
4327 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
4329 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
4331 * sparc.md (jump): Don't use the annul bit around an empty loop.
4332 Patch from Kevin.Kelly@East.Sun.COM.
4334 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
4336 * jump.c: (jump_optimize): Don't use the return register as a
4337 source1 of a conditional move.
4339 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
4341 * sparc.c (DF_MODES): Or the mask not the bit number.
4342 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
4344 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
4346 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
4348 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
4350 * fixincludes (size_t): Add support for Motorola's stdlib.h
4351 which fails to provide a definition for size_t.
4352 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
4353 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
4354 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
4356 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
4357 prevent unresolved externals in libio.
4358 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
4360 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
4362 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
4363 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
4364 (LIB_SPEC): Updated for glibc 2.
4366 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
4368 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
4369 * ginclude/varargs.h: Likewise.
4371 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
4373 * version.c: Bump for snapshot.
4375 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
4377 * frame.h (__register_frame, __register_frame_table,
4378 __deregister_frame): New.
4379 * frame.c (__register_frame, __register_frame_table,
4380 __deregister_frame): New.
4381 * frame.c (__deregister_frame_info): Return void *.
4382 * frame.h (__deregister_frame_info): Ditto.
4383 * collect2.c (__deregister_frame_info): Ditto.
4385 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
4387 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
4389 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
4391 * alpha.c (alpha_cpu_name): New variable.
4392 (alpha_mlat_string): Likewise.
4393 (alpha_memory_latency): Likewise.
4394 (override_options): Handle -mmemory-latency.
4395 (alpha_adjust_cost): Adjust load cost for latency.
4396 * alpha.h (TARGET_OPTIONS): Add meory-latency.
4397 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
4398 TARGET_CIX into account.
4399 (MEMORY_MOVE_COST): Define in terms of memory_latency.
4400 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
4402 * alpha.h (ASM_COMMENT_START): New macro.
4404 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
4406 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
4407 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
4409 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
4410 SUBREG_REG if the word count is unchanged.
4411 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
4412 subregs of identical word size for push_reload.
4414 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
4416 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
4417 if all we're doing is dealing with -Wreturn-type.
4419 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
4421 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
4422 Use and 255 instead of zapnot 1, since it schedules better.
4424 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
4426 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
4429 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
4431 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
4432 dependency we delete. Properly update prev for multiple consecutive
4434 (priority): Skip deleted dependence.
4436 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
4438 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
4440 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
4442 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
4443 determining when a new basic block starts.
4445 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
4447 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
4448 * pa.md (iorsi3): Add missing args to *_operand calls.
4450 * except.c (call_get_eh_context): Don't mess with sequences.
4451 (emit_eh_context): Include the call in the sequence here.
4453 1997-12-11 Paul Eggert <eggert@twinsun.com>
4455 * collect2.c (write_c_file_glob): Allocate initial frame object
4456 in static storage and pass its address.
4458 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
4460 * except.c (call_get_eh_context): Don't take a parm.
4461 Put the call at the top of the function.
4462 (emit_eh_context): Adjust.
4463 (get_eh_context): Replace with former use_eh_context.
4464 (get_eh_context_once, get_saved_pc_ref): Remove.
4465 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
4467 * integrate.c (expand_inline_function): Adjust.
4468 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
4470 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
4472 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
4473 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
4475 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
4477 * fixincludes (strlen,strspn,strcspn return value): Handle different
4479 (hypot): Provide a fake for hypot which is broken on
4480 m88k-motorola-sysv3.
4482 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
4484 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
4485 tree_code_name from pointers to arrays.
4486 * tree.c: Remove standard_tree_code_* variables, no longer used.
4487 * print-tree.c: Remove declaration of tree_code_name.
4489 * cp/lex.c (init_lex): Update for tree_code_* changes.
4490 * objc/objc-act.c (init_objc): Likewise.
4492 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
4495 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
4497 * config.sub: Add support for BeOS target.
4498 * configure.in: Likewise.
4499 * ginclude/stdarg.h: Likewise.
4500 * ginclude/stddef.h: Likewise.
4501 * ginclude/varargs.h: Likewise.
4502 * rs6000/beos.h: New file for BeOS.
4503 * rs6000/t-beos: Likewise.
4504 * rs6000/x-beos: Likewise.
4505 * rs6000/xm-beos.h: Likewise.
4506 * toplev.c (get_run_time): Just return 0 on BeOS.
4508 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
4509 Toon Moene (toon@moene.indiv.nluug.nl)
4511 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
4512 old and broken Sun3 assemblers. Newer versions handle large
4513 offsets correctly as does the GNU assembler.
4515 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4517 * objc/objc-act.c (lang_report_error_function): Disable.
4518 * objc/objc-parse.y: Include "output.h".
4519 (yyerror): Remove redundant decl.
4520 (yyprint): Fix prototype.
4521 (apply_args_register_offset): Remove redundant decl.
4522 (get_file_function_name): Likewise.
4524 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
4526 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
4528 (find_basic_blocks_1): Likewise.
4530 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
4532 * except.c (use_eh_context): Don't copy_rtx a REG.
4533 (emit_throw): Lose old unwinder support.
4534 (expand_internal_throw): Likewise.
4535 * libgcc2.c (struct eh_context): Likewise.
4536 (new_eh_context): Likewise.
4537 (__get_eh_info): Lose redundant cast.
4538 (__get_dynamic_handler_chain): Likewise.
4539 (__get_saved_pc): Lose.
4540 Lose all old unwinder support code.
4542 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
4544 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
4546 * integrate.c (expand_inline_function): If the inline fn uses eh
4547 context, make sure that the current fn has one.
4548 * toplev.c (rest_of_compilation): Call emit_eh_context.
4549 * except.c (use_eh_context): New fn.
4550 (get_eh_context_once): New fn.
4551 (call_get_eh_context): New fn.
4552 (emit_eh_context): New fn.
4553 (get_eh_context): Call either get_eh_context_once or
4554 call_get_eh_context, depending on what we have.
4555 (get_dynamic_handler_chain): Call get_eh_context_once.
4556 * except.h: Prototypes for fns above.
4557 * optabs.c (get_eh_context_libfunc): Removed.
4558 (init_optabs): Don't initialize it.
4559 * expr.h (get_eh_context_libfunc): Removed.
4560 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
4561 * config/pa/pa.h (CPP_SPEC): Support for -threads.
4562 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
4563 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
4564 New multilib for -threads.
4565 * config/sparc/t-sol2: Added multilibs for -threads and
4566 made -pthreads alias to it.
4567 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
4568 Added -threads and -pthreads options.
4569 * libgcc-thr.h: New file.
4570 * libgcc2.c: (__get_cpp_eh_context): Removed.
4571 (struct cpp_eh_context): Removed.
4572 (struct eh_context): Replaced cpp_eh_context with generic language
4574 (__get_eh_info): New function.
4575 (__throw): Check eh_context::info.
4577 * libgcc2.c: Include libgcc-thr.h.
4578 (new_eh_context, __get_eh_context,
4579 eh_pthread_initialize, eh_context_initialize, eh_context_static,
4580 eh_context_specific, eh_context_free): New functions.
4581 (get_eh_context, eh_context_key): New variables.
4582 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
4583 get_eh_context to get the context.
4584 (longjmp): Move the declaration inside
4585 #ifdef DONT_USE_BUILTIN_SETJMP.
4586 * frame.c: Include libgcc-thr.h.
4587 (object_mutex): Mutex to protect the object list.
4588 (find_fde, __register_frame, __register_frame_table,
4589 __deregister_frame): Hold the lock while accessing objects.
4590 * except.h (get_eh_context): Declare.
4591 * except.c (current_function_ehc): Define.
4592 (current_function_dhc, current_function_dcc): Removed.
4593 (get_eh_context): New function.
4594 (get_dynamic_handler_chain): Use get_eh_context.
4595 (get_saved_pc_ref): Ditto.
4596 (get_dynamic_cleanup_chain): Removed references to
4597 current_function_dcc.
4598 (save_eh_status, restore_eh_status): Save and restore
4599 current_function_ehc instead.
4600 * optabs.c (get_eh_context_libfunc): New variable.
4601 (init_optabs): Initialize it.
4602 * expr.h: Declare get_eh_context_libfunc.
4603 * function.h (struct function): Replaced dhc and dcc with ehc.
4604 * except.c (get_saved_pc_ref): New functions.
4605 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
4606 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
4608 (end_eh_unwinder): Likewise.
4609 (init_eh): Remove initialization of eh_saved_pc.
4610 * optabs.c (get_saved_pc_libfunc): New variable.
4611 (init_optabs): Initialize it.
4612 * expr.h: Declare get_saved_pc_libfunc.
4613 * except.h (eh_saved_pc_rtx): Deleted.
4614 (get_saved_pc_ref): Declared.
4616 From Scott Snyder <snyder@d0sgif.fnal.gov>:
4617 * libgcc2.c (__get_saved_pc): New.
4618 (__eh_type, __eh_pc): Deleted.
4619 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
4620 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
4623 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
4625 * sparc/sol2.h: Use 64 bit multiply and divide functions in
4626 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
4629 * rtl.h (global_rtl): New variable, replacing separate variables for
4631 (const_int_rtx): Now array of rtx_def, not rtx.
4632 * emit-rtl.c: Update for new rtl data structures.
4633 * genattrtab.c: Define global_rtl.
4635 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
4637 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
4640 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
4642 * crtstuff.c (__do_global_ctors): Fix typo.
4644 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
4646 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
4647 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
4649 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
4651 * rs6000.h (FUNCTION_ARG_PADDING): Define.
4652 * rs6000.c (function_arg_padding): New function.
4654 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
4656 * m68k.c: Include tree.h only once.
4658 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4660 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
4662 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
4664 * Partially cleaned up prototyping code from HJ.
4665 * tree.h: Add many prototypes.
4666 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
4667 All references changed.
4668 * rtl.h: Protect from multiple inclusions. Add many prototypes.
4670 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
4672 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
4673 string functions like strlen.
4675 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
4677 * configure.in: Check for functions getrlimit and setrlimit.
4678 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
4679 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
4681 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
4683 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
4685 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
4687 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
4690 * alpha.c (override_options): Don't know about scheduling for EV6.
4691 * alpha.md (ev5 function units): Don't overload as ev6.
4693 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
4694 * alpha.md (define_attr type): Add mvi.
4695 (ev5_e0): Define sceduling parameters for it.
4696 (TARGET_MAX insns): Type is mvi not shift.
4698 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
4700 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
4702 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4704 * cstamp-h, auto-config.h: Delete.
4706 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
4708 * version.c: Bump for snapshot.
4710 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
4712 * cccp.c: Fix typo brought over in merge.
4714 * Merge in changes from gcc-2.8.
4716 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
4718 * m68k.c: Include tree.h for dwarf2out_cfi_label.
4720 * gcc.c (process_command): Do not take address of function fatal when
4721 calling lang_specific_driver.
4723 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
4725 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
4726 doesn't work with it yet, so set it to 0.
4727 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
4729 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
4731 * cse.c (cse_insn): Check for invalid entries when taking references.
4733 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4735 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
4736 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
4737 * toplev.c (rest_of_compilation): Pass it. Remove code to
4738 save / clear / restore flag_unroll_{,all_}loops.
4740 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
4742 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
4744 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
4746 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
4748 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
4750 * except.c (get_dynamic_handler_chain): Only make the call once per
4753 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
4755 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4757 * sh.c (final_prescan_insn): Use local label prefix
4758 when emitting .uses pseudo-ops.
4760 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
4762 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
4763 * except.c: Lose outer_context_label_stack.
4764 (expand_eh_region_end): Rethrow from outer_context here.
4765 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
4766 (expand_internal_throw): Take no args.
4767 (expand_internal_throw_indirect): Lose.
4768 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
4769 (expand_start_all_catch): Start a rethrow region.
4770 (expand_end_all_catch): End it.
4771 (expand_rethrow): New fn.
4772 * except.h: Reflect above changes.
4773 * flow.c: Revert change of Nov 27.
4775 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
4777 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
4779 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
4781 * except.c (expand_fixup_region_end): New fn.
4782 (expand_fixup_region_start): Likewise.
4783 (expand_eh_region_start_tree): Store cleanup into finalization here.
4784 * stmt.c (expand_cleanups): Use them to protect fixups.
4786 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
4788 * mips/mips.md (muldi3_r4000): Broaden the output template
4789 and attribute assignments to handle three operand dmult;
4790 rename to muldi3_internal2.
4791 (muldi3): Call the new muldi3_internal2 for R4000, and
4792 any GENERATE_MULT3 chip.
4794 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
4796 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
4798 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
4800 * unroll.c (find_splittable_givs): Remove last change. Handle givs
4801 with a dest_reg that was created by loop.
4803 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
4805 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
4807 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
4809 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
4811 * configure.in: Fix NCR entries.
4813 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
4815 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
4816 nested exceptions correctly.
4818 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
4819 that was created by loop.
4821 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
4823 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
4825 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
4827 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
4829 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
4830 (print_operand): Use SMALL_DATA_REG for the register involved in
4831 small data relocations.
4832 (print_operand_address): Ditto.
4834 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
4835 -dynamic linker is not used.
4837 * rs6000.md (call insns): For local calls, use @local suffix under
4838 System V. Don't use @plt under Solaris.
4840 * rs6000.c (output_function_profiler): Put label address in r0, and
4841 store LR in 4(sp) for System V/eabi.
4843 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
4844 byte boundary, and maintain stack backchain.
4846 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
4848 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
4849 fix_truncsfdi2): Change *.
4851 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
4853 * toplev.c (main): Complain about -gdwarfn.
4855 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
4857 * dwarfout.c (output_type): If finalizing, write out nested types
4858 of types we've already written.
4860 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
4862 (patches originally from Geoffrey Keating)
4863 * rs6000.c (function_arg): Excess floating point arguments don't
4864 go into GPR registers after exhausting FP registers under the
4866 (function_arg_partial_nregs): Ditto.
4868 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
4871 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
4873 * integrate.c (output_inline_function): Just unset DECL_INLINE.
4875 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
4877 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
4880 * libgcc2.c (__throw): Initialize HANDLER.
4882 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
4884 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
4885 fix_truncsfdi2): Change *X to ?*X.
4887 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
4889 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
4891 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
4893 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
4895 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
4897 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
4899 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
4901 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
4902 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
4905 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
4907 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
4908 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
4909 gas and not using the new HP assembler.
4911 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
4913 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
4914 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
4916 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
4918 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
4919 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
4922 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
4924 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
4926 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
4928 * except.h: Add outer_context_label_stack.
4929 * except.c: Likewise.
4930 (expand_start_all_catch): Push the outer_context for the try block
4931 onto outer_context_label_stack.
4932 (expand_end_all_catch): Use it and pop it.
4934 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
4936 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
4938 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
4940 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
4942 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
4944 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
4945 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
4947 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
4949 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
4950 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
4951 __builtin_delete, and __builtin_vec_delete.
4953 * except.c (output_exception_table): Don't bother with
4956 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
4958 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
4959 is an in/out operand.
4960 (zero extended variants of stwm/stwm patterns): Similarly.
4962 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
4964 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
4966 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
4968 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
4969 (output_call_frame_info): Emit a \n after using it.
4971 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
4973 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
4975 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
4977 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
4978 (ASM_OUTPUT_DWARF_VALUE4): New macro.
4979 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
4981 (output_call_frame_info): Do not output forward label differences
4982 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
4983 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
4985 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4987 * sh.md (attribute "type"): Add nil.
4988 (movsi_ie): y/y alternative is type nil.
4989 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
4991 (movsf_ie+1): Delete.
4993 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
4995 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
4996 large_int, emit two insns instead of one splitable insn.
4997 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
4998 from cfa_temp_value, use cfa_offset. Add assert checking that
5001 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
5003 * cccp.c (deps_output): Properly quote file names for make.
5005 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
5007 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
5009 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
5011 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
5013 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
5015 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
5017 (cse_end_of_basic_block): Similarly.
5019 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
5021 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
5022 (SELECT_RTX_SECTION): Define.
5023 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
5025 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
5027 * Makefile.in (compare, compare-lean): Define $stage for each
5029 (gnucompare, gnucompare-lean): Likewise.
5031 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
5033 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
5035 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
5036 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
5038 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
5040 * dwarfout.c (byte_size_attribute): Add local var upper_bound
5041 and add case to handle STRING_TYPE.
5042 * dwarfout.c (output_string_type_die): Fix code to generate
5043 correct string length attribute for fixed length strings.
5044 Still needs support for varying length strings.
5046 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
5048 * toplev.c (get_run_time): Do something sensible for cygwin32.
5050 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
5052 * expr.c (expand_builtin_setjmp): Set
5053 current_function_has_nonlocal_label.
5054 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
5055 call-saved registers across calls.
5057 * alpha.md (exception_receiver): Remove.
5058 (nonlocal_goto_receiver_osf): New
5059 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
5060 (nonlocal_goto_receiver): New, select _osf or _vms.
5062 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
5063 keep them from being propogated to the object file.
5064 (alpha_write_linkage): Likewise.
5065 * alpha.md (call_vms): Likewise.
5066 (call_value_vms): Likewise.
5067 (unnamed osf call insns): Likewise.
5069 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
5070 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
5072 * alpha.c (call_operand): Any reg is valid for WinNT.
5073 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
5074 (anon nt calls): Add 'R' alternative.
5075 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
5076 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
5078 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
5080 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
5082 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
5083 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
5084 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
5086 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
5088 * reload1.c (new_spill_reg): Improve fixed or forbidden register
5089 spill error message.
5091 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5093 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
5094 use varargs.h. Wrap header with <>, not "".
5096 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
5098 * integrate.c (save_for_inline_copying): Add return value from
5101 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
5103 * fixincludes: Be a little more restrictive on what we will
5104 substitute to replace definitions of MAXINT for HPUX.
5106 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
5108 * dbxout.c (dbxout_symbol_location): Don't assume that variables
5109 whose address is the stack or argument pointers are indirect
5112 1997-11-13 Paul Eggert <eggert@twinsun.com>
5114 * cccp.c, cpplib.c (compare_defs):
5115 Don't complain about arg name respellings unless pedantic.
5116 * cpplib.c (compare_defs): Accept pfile as new arg.
5117 All callers changed.
5119 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5121 * fold-const.c (fold_truthop): Fix bug in last change.
5123 1997-11-13 Paul Eggert <eggert@twinsun.com>
5125 Fix some confusion with IEEE minus zero.
5127 * real.h (REAL_VALUES_IDENTICAL): New macro.
5129 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
5130 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
5132 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
5133 same tree structure as 0.0.
5135 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
5136 macro instead of doing it by hand.
5138 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
5140 * v850/lib1funcs.asm: Minor whitespace changes.
5141 * v850.c: Fix minor formatting problems in many places.
5142 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
5144 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
5146 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
5147 xplus1 when xplus0 is not a register.
5149 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
5151 * flow.c (find_basic_blocks): During marking phase, if we encounter
5152 an insn with a REG_LABEL note, make the target block live and
5153 create an edge from the insn to the target block. Do not make
5154 edges from all blocks to the target block.
5156 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
5158 * confiugre.in: Tweak NCR entries.
5159 * configure: Rebuilt.
5161 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
5163 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
5164 pick apart floating point values, instead of using CONST_DOUBLE_LOW
5165 and CONST_DOUBLE_HIGH.
5167 * rs6000.md (define_splits for DF constants): Use the appropriate
5168 REAL_VALUE_* interface to pick apart DF floating point constants in
5169 a machine independent fashion.
5171 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5173 * fold-const.c (fold_truthop): When changing a one-bit comparison
5174 against zero into a comparison against mask, do a proper sign
5177 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
5179 * except.c: Do not include "assert.h".
5180 (save_eh_status): Turn asserts into conditional aborts.
5181 (restore_eh_status, scan_region): Likewise.
5182 * dwarfout.c: Do not include "assert.h".
5183 (bit_offset_attribute): Turn asserts into conditional aborts.
5184 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
5185 (output_inlined_structure_type_die): Likewise.
5186 (output_inlined_union_type_die): Likewise
5187 (output_tagged_type_instantiation): Likewise.
5188 (dwarfout_file_scope_decl): Likewise.
5189 * dwarf2out.c: Do not include "assert.h"
5190 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
5191 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
5192 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
5193 (add_bit_size_attribute, scope_die_for): Likewise.
5194 (output_pending_types_for_scope): Likewise.
5195 (get_inlined_enumeration_type_die): Likewise.
5196 (get_inlined_structure_type_die): Likewise.
5197 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
5198 (gen_tagged_type_instantiation_die): Likewise.
5200 * flow.c (find_basic_blocks): Refine further to get a more correct
5201 cfg, especially in the presense of exception handling, computed
5202 gotos, and other non-trivial cases. Call abort if an inaccuracy
5203 is detected in the cfg.
5205 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5207 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
5209 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
5210 (skip_white_space): Use whitespace_cr.
5211 (check_newline): Handle whitespace more consistently.
5213 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
5215 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
5216 * i386/xm-cygwin32.h (POSIX): Define.
5218 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
5220 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
5221 is available elsewhere.
5223 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
5225 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
5226 what the instruction can handle.
5228 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
5230 * stmt.c (expand_decl_cleanup_no_eh): New fn.
5232 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
5234 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
5236 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
5237 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
5239 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
5241 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
5242 swap instruction order.
5244 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
5246 * fixinc.svr4 (__STDC__): Add another case.
5248 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5250 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
5251 addresses in the epilogue delay slot.
5253 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
5255 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
5256 in generated `specs' file.
5258 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
5260 * flags.h (flag_rerun_loop_opt): Declare.
5261 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
5262 * toplev.c (flag_rerum_loop_opt): Delete static.
5264 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5266 Bring over from FSF:
5268 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5270 * va-sh.h (__va_arg_sh1): Define.
5272 SH3E doesn't use any integer registers for subsequent arguments
5273 once a non-float value was passed in the stack.
5274 * sh.c (machine_dependent_reorg): If optimizing, put explicit
5275 alignment in front label for ADDR_DIFF_VEC.
5276 * sh.h (PASS_IN_REG_P): Fix SH3E case.
5277 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
5279 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5281 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
5284 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5286 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
5287 put an use_sfunc_addr before each sfunc.
5288 * sh.md (use_sfunc_addr, dummy_jump): New insns.
5289 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
5291 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5293 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
5295 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
5297 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
5300 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
5302 * alias.c (find_base_value): Only return the known base value for
5305 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
5307 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
5308 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
5310 (prologue_get_pc_and_set_got): New pattern.
5312 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
5314 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
5315 for SUBREG, just fall through.
5317 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
5319 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
5321 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
5323 * fixincludes: Fix "hypot" prototype in NeXT math.h.
5325 * Makefile.in (USE_ALLOCA): Always include alloca.o.
5326 (USE_HOST_ALLOCA): Likewise.
5328 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
5329 and LABEL_REFS fields.
5330 * rtl.h (LABEL_REFS): Update.
5332 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
5334 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
5335 sets i2dest. When calling distribute_notes for i3dest_killed, pass
5336 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
5339 * mips.md (insv, extzv, extv): Add change_address call.
5340 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
5342 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
5344 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
5346 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
5347 save_restore_insns if no FP and GP will be restored.
5349 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
5350 Convert CCmode to word_mode before calling GET_MODE_SIZE.
5352 * acconfig.h (HAVE_INTTYPES_H): Undef.
5353 * configure.in (inttypes.h): Check for conflicts between sys/types.h
5354 and inttypes.h, and verify that intmax_t is defined.
5355 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
5356 * config/mips/x-iris3: Likewise.
5358 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
5360 * alias.c (find_base_value): When copying arguments, return the
5361 tenative value for a hard register.
5363 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
5365 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
5366 (yylex): Record wide strings using target endianness, not host.
5368 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
5370 * mn10200.h (ASM_OUTPUT_BSS): Delete.
5371 (ASM_OUTPUT_ALIGNED_BSS): New macro
5372 * mn10300.h (ASM_OUTPUT_BSS): Delete.
5373 (ASM_OUTPUT_ALIGNED_BSS): New macro.
5374 * v850.h (ASM_OUTPUT_BSS): Delete.
5375 (ASM_OUTPUT_ALIGNED_BSS): New macro.
5377 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5379 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
5381 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
5383 * configure.in (sco5): Use cpio to install header files.
5385 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
5387 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
5389 * configure: Rebuild.
5391 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
5393 * i386/sco5.h: enable -gstabs once again.
5395 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
5397 * arm.c (output_move_double): Allocate 3 entries in otherops array.
5399 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
5401 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
5402 notes for sjlj exceptions too.
5403 (expand_eh_region_end): Similarly for EH_REGION_END notes.
5404 (exception_optimize): Optimize EH regions for sjlj exceptions too.
5405 * final.c (final_scan_insn): Don't output labels for EH REGION
5406 notes if doing sjlj exceptions.
5408 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
5410 * alias.c (init_alias_analysis): Handle -fno-alias-check when
5411 optimizing correctly.
5413 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
5414 or set current_function_calls_setjmp anymore.
5416 * flow.c (find_basic_blocks): If we delete the label for an
5417 exception handler, remove it from the EH label list and remove
5418 the EH_BEGIN/EH_END notes for that EH region.
5420 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
5422 * flow.c (find_basic_blocks): Generate correct flow control
5423 information when exception handling notes are present.
5425 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
5427 * dwarf2out.c (output_call_frame_info): Fix length argument
5428 to ASM_OUTPUT_ASCII.
5429 (output_die, output_pubnames, output_line_info): Likewise.
5431 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
5433 * version.c: Bump for snapshot.
5435 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
5436 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
5437 flag_debug_asm is on.
5438 (output_die, output_pubnames, output_line_info): Likewise.
5440 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
5441 and static_chain_rtx into the potential base values array if
5444 * alias.c (new_reg_base_value): New array of potential base values.
5445 (unique_id): Now file scoped static.
5446 (find_base_value, case REG): Return the value in reg_base_value
5447 array for the REG if it exists. Else, return the value from
5448 new_reg_base_value if copying args and REG is a hard register.
5449 (find_base_value, case PLUS): If either operand of the PLUS is
5450 a REG, try to get its base value. Handle base + index and
5452 (record_set): Use new_reg_base_value instead of reg_base_value.
5453 (init_alias_analysis): Allocate space for new_reg_base_value too.
5454 Rework code to iterate over the insns propagating base value
5455 information until nothing changes.
5457 * global.c (global_alloc): Free the conflict matrix after
5458 reload has finished.
5460 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
5462 * libgcc2.c (L_eh): Define __eh_pc.
5463 Replace __eh_type with generic pointer __eh_info.
5465 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
5467 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
5468 use copy_to_reg if address is not a general_operand.
5470 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5472 * profile.c (output_func_start_profiler): Clear flag_inline_functions
5473 for the duration of the call to rest_of_compilation.
5475 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
5477 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
5479 (sparc*-*-*): Recognize --with-cpu=v9.
5480 * sparc/elf.h: New file.
5481 * sparc/t-elf: New file.
5483 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
5485 * mn10300.c (const_8bit_operand): New function.
5486 (mask_ok_for_mem_btst): New funtion.
5487 * mn10300.md (btst patterns with mem operands): Use new functions
5488 to avoid creating btst instructions with invalid operands.
5490 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
5492 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
5493 are running on PowerPC Linux.
5495 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
5497 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
5498 if not previously defined.
5500 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
5502 * function.c (assign_parms): Correct mode of stack_parm if
5503 entry_parm underwent a mode conversion.
5505 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
5507 * global.c (global_alloc): Use xmalloc instead of alloca for
5508 CONFLICTS, since max_allocno * allocno_row_words alone can be more
5509 than 2.5Mb sometimes.
5511 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
5513 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
5514 DEST for the spill, adjust mode of SRC to compensate.
5516 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
5518 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
5519 since any_memory_operand() allows pseudos during reload.
5520 (reload_inhi, reload_outqi, reload_outhi): Likewise.
5522 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
5524 * m68k.md (btst patterns): Add 5200 support.
5526 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
5528 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
5529 optimizations, look inside dividend to determine if the expression
5530 can be simplified by using EXACT_DIV_EXPR.
5532 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
5535 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
5537 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
5539 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
5541 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
5543 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
5546 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
5548 * alpha.md (movqi, movhi): Make sure new insns created during reload
5549 won't need reloading themselves.
5550 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
5552 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
5554 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
5556 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
5558 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
5559 Patch from Klaus Kaempf <kkaempf@progis.de>.
5561 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
5563 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
5564 to an element in a constant string.
5566 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
5568 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
5569 bit PC-relative offset. The exception range table pointer is now in
5571 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
5572 (count_fdes, add_fdes, get_cie): Adjust.
5573 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
5576 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
5578 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
5580 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
5581 like stack_pointer_rtx.
5583 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
5585 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
5586 targets using "$@" to provide support for similar but not identical
5587 targets without having to duplicate code.
5588 (bootstrap4): New goal.
5590 * Makefile.in (compare, compare-lean, compare3): Combined to one
5591 ruleset determining actions to be performed via $@.
5592 (compare4, compare4-lean): New targets.
5593 (gnucompare, gnucompare3): Combined to one ruleset determining
5594 actions to be performed via $@. Also, note which files failed
5595 the comparison test in .bad_compare.
5596 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
5598 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
5600 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
5601 if the dividend is a multiple of the divisor.
5603 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
5605 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
5607 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
5610 * alias.c (true_dependence): Fix typo.
5612 * toplev.c (flag_rerun_loop_opt): New variable.
5613 (f_options): Handle -frerun-loop-opt.
5614 (rest_of_compilation): If -frerun-loop-opt, then run the loop
5616 (main): Enable -frerun-loop-opt by default for -O2 or greater.
5618 * loop.c (simplify_giv_expr): Adding two invariants results
5621 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
5623 * expr.c (get_inner_reference): Remove the array bias after
5624 converting the index to Pmode.
5626 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
5628 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
5629 (TARGET_MULT_BUG): Define.
5630 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
5631 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
5633 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
5635 * mn10200.c (indirect_memory_operand): Delete unused function.
5636 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
5637 * mn10200.md (bset, bclr insns): Handle output in a reg too.
5639 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
5641 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
5642 the callee's ldgp, we must do it ourselves, and we use the jsr tag
5643 for more than scheduling.
5645 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
5647 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
5649 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
5651 * mn10300.c (symbolic_operand, legitimize_address): New functions.
5652 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
5653 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
5655 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
5657 * version.c: Bump for snapshot.
5659 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5661 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
5664 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
5666 * toplev.c (flag_exceptions): Default value is 2.
5667 (compile_file): If flag_exceptions still has the value 2, then
5670 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
5671 (rs6000_save_machine_status): Save pic_offset_table_rtx.
5672 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
5674 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
5677 * rs6000.md (*movsi_got_internal_mem): New pattern.
5678 (*movsi_got_internal_mem splitter): New define_split.
5680 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
5682 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
5684 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
5686 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
5687 only need to save LR.
5689 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
5691 * mn10300.md (movqi, movhi): Avoid using address registers as
5692 destinations unless absolutely necessary.
5694 * mn10200.c (expand_prologue): Fix typo.
5696 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
5698 * mn10200.md (neghi2): Provide an alternative which works if
5699 the input and output register are the same.
5701 * mn10300.c (print_operand): Handle 'S'.
5702 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
5703 shift amount in last alternative
5705 * mn10300.c (expand_epilogue): Rework to handle register restores
5706 in "ret" and "retf" instructions correctly.
5708 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
5710 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
5711 extzv for memory operands.
5713 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
5714 redundant conditional moves to single operand.
5716 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
5718 * v850.h: Move define of __v850__ from CPP_PREDEFINES
5721 * xm-v850.h: Use __v850 rather than __v850__ to
5724 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
5726 * mips/mips.c (compute_frame_size): Not a leaf function if
5729 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
5731 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
5733 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
5735 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
5736 (DEFAULT_ARCH32_P): New macro.
5737 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
5738 (enum cmodel): Declare.
5739 (sparc_cmodel_string,sparc_cmodel): Declare.
5740 (SPARC_DEFAULT_CMODEL): Provide default.
5741 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
5742 (TARGET_FULLANY): Deleted.
5743 (TARGET_CM_MEDMID): New macro.
5744 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
5745 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
5746 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
5747 (CPP_SPEC): Rewrite.
5748 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
5749 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
5750 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
5751 (ASM_SPEC): Add %(asm_arch).
5752 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
5753 Rename asm_default to asm_cpu_default.
5754 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
5755 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
5756 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
5757 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
5758 (MASK_INT64,MASK_LONG64): Delete.
5759 (MASK_ARCH64): Renamed to MASK_64BIT.
5760 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
5761 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
5762 (TARGET_SWITCHES): Always provide 64 bit options.
5763 (ARCH64_SWITCHES): Delete.
5764 (TARGET_OPTIONS): New option -mcmodel=.
5765 (INT_TYPE_SIZE): Always 32.
5766 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
5767 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
5768 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
5769 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
5770 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
5772 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
5773 * sparc/linux.h: Likewise.
5774 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
5775 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
5776 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
5777 (SPARC_DEFAULT_CMODEL): Define.
5778 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
5779 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
5780 (LONG_DOUBLE_TYPE_SIZE): Define.
5781 (ASM_SPEC): Add %(asm_arch).
5782 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
5783 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
5784 (TARGET_CPU_DEFAULT): Add ultrasparc case.
5785 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
5786 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
5787 (SPARC_DEFAULT_CMODEL): Define.
5788 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
5789 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
5790 MASK_LONG64, MASK_MEDANY.
5791 (SPARC_DEFAULT_CMODEL): Define.
5792 (CPP_PREDEFINES): Delete.
5793 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
5794 (ASM_SPEC): Add %(asm_arch).
5795 (LONG_DOUBLE_TYPE_SIZE): Define.
5796 (DWARF2_DEBUGGING_INFO): Define.
5797 * sparc/splet.h (CPP_SPEC): Delete.
5798 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
5799 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
5800 (BLOCK_PROFILER): Likewise.
5801 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
5802 (sparc_override_options): Handle code model selection.
5803 (sparc_init_expanders): Renamed from sparc64_init_expanders.
5804 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
5805 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
5806 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
5807 (sethi_di_fullany): Delete.
5809 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
5810 Jeff Law <law@cygnus.com>
5811 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5813 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
5814 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
5815 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
5816 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
5817 * alpha/alpha.md (arg_home): Likewise.
5819 * alpha/alpha.c (vmskrunch): Delete
5820 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
5821 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
5822 truncate to 64 characters.
5824 * make-l2.com: Support openVMS/Alpha.
5826 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
5828 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5830 * longlong.h (count_leading_zeros): Add missing casts to USItype.
5832 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
5834 * i386/bsd386.h (ASM_COMMENT_START): Define.
5836 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
5838 * tree.c (restore_tree_status): Also free up temporary storage
5839 when we finish a toplevel function.
5840 (dump_tree_statistics): Print stats for backend obstacks.
5842 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
5844 * expr.c (use_group_regs): Don't call use_reg for MEMs.
5846 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
5848 * libgcc2.c (__throw): Don't copy the return address.
5849 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
5851 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
5852 * toplev.c (main): Initialize exceptions_via_longjmp.
5854 * tree.c: Add extra_inline_obstacks.
5855 (save_tree_status): Use it.
5856 (restore_tree_status): If this is a toplevel inline obstack and we
5857 didn't want to save anything on it, recycle it.
5858 (print_inline_obstack_statistics): New fn.
5859 * function.c (pop_function_context_from): Pass context to
5860 restore_tree_status.
5861 * obstack.h (obstack_empty_p): New macro.
5863 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
5865 * i386/freebsd.h (ASM_COMMENT_START): Fix.
5867 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
5869 * v850.c (ep_memory_offset): New function.
5870 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
5872 * v850.h (CONST_OK_FOR_*): Add and correct comments.
5873 (CONSTANT_ADDRESS_P): Add comment.
5874 (EXTRA_CONSTRAINT): Define 'U'.
5875 * v850.md: Add comments on bit field instructions.
5876 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
5877 (lshrsi3): Use N not J constraint.
5879 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
5881 * v850.c (reg_or_0_operand): Call register_operand.
5882 (reg_or_int5_operand): Likewise.
5883 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
5884 (TARGET_SWITCHES): Add "big-switch".
5885 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
5886 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
5887 (CASE_DROPS_THROUGH): Comment out.
5888 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
5889 * v850.md (cmpsi): Delete compare mode.
5890 (casesi): New pattern.
5892 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
5893 * v850.md (ashlsi3): Use SImode not QImode for shift count.
5894 (lshrsi3): Likewise.
5896 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
5897 unreachable switch statement after 'b' support. Remove "b" from
5898 strings for 'b' support.
5899 * v850.md (branch_normal, branch_invert): Change %b to b%b.
5901 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
5903 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
5904 empty line if @inhibit_libc@ is empty.
5906 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
5908 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
5909 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
5910 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
5911 (DWARF2_UNWIND_INFO): Let this track object file format.
5912 (EXTRA_SECTIONS): Add in_eh.
5913 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
5914 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
5916 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
5918 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
5919 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
5921 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
5922 (output_double_int): Output DI mode values correctly when
5923 HOST_BITS_PER_WIDE_INT is 64.
5924 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
5925 fmovd so it works if a quad float ends up in one of the upper 32
5927 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
5928 necessary for PIC support on sparc64.
5930 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
5932 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
5933 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
5934 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
5935 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
5936 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
5937 (SPARC_FP_ARG_FIRST): New macro.
5938 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
5939 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
5940 (NPARM_REGS): There are 32 fp argument registers now.
5941 (FUNCTION_ARG_REGNO_P): Likewise.
5942 (FIRST_PARM_OFFSET): Update to new v9 abi.
5943 (REG_PARM_STACK_SPACE): Define for arch64.
5944 (enum sparc_arg_class): Delete.
5945 (sparc_arg_count,sparc_n_named_args): Delete.
5946 (struct sparc_args): Redefine and use for arch32 as well as arch64.
5947 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
5948 (FUNCTION_ARG_ADVANCE): Rewrite.
5949 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
5950 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
5951 (FUNCTION_ARG_CALLEE_COPIES): Delete.
5952 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
5953 (STRICT_ARGUMENT_NAMING): Define.
5954 (doublemove_string): Declare.
5955 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
5956 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
5957 (doublemove_string): New function.
5958 (output_move_quad): Clean up some of the arch64 support.
5959 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
5960 Don't add 8 bytes of reserved space if arch64.
5961 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
5962 (init_cumulative_args): New function.
5963 (function_arg_slotno): New static function.
5964 (function_arg,function_arg_partial_nregs): New functions.
5965 (function_arg_{pass_by_reference,advance}): New functions.
5966 (function_arg_padding): New function.
5967 * ginclude/va-sparc.h: Rewrite v9 support.
5969 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
5971 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
5972 for hard regs to determine base and index registers.
5974 * reload.c (debug_reload_to_stream): New function. Specify stream
5975 into which to write debug info.
5976 (debug_reload): Modify to call debug_reload_to_stream with stderr.
5978 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
5980 * combine.c (can_combine_p): Don't combine with an asm whose
5981 output is a hard register.
5983 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
5985 * c-decl.c (start_struct): Ensure that structs with forward
5986 declarations are in fact packed when -fpack-struct is given.
5988 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
5989 we are packing a structure. This allows a structure with only
5990 bytes to be aligned on a byte boundary and have no padding on a
5993 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5995 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
5997 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
5999 * alpha.c (alpha_return_addr_rtx): New variable.
6000 (alpha_save_machine_status): New; save it.
6001 (alpha_restore_machine_status): New; restore it.
6002 (alpha_init_expanders): New; clear it.
6003 (alpha_return_addr): New; set it.
6004 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
6005 is overly conservative, so search the insns explicitly.
6006 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
6007 (alpha_sa_size [VMS && !VMS]): Likewise.
6008 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
6009 (INIT_EXPANDERS): New definition.
6011 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
6012 (output_prolog [!VMS]): Use them.
6014 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
6015 (alpha_does_function_need_gp): ... a new function. Refine the
6016 CALL_INSN test to just TYPE_JSR.
6017 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
6019 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
6021 * version.c: Bump for snapshot.
6023 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6025 * pa.c (move_operand): Respect -mdisable-indexing.
6026 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
6028 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
6030 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
6032 (umulsidi3,umulsi3_highpart): Ditto.
6033 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
6035 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
6037 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
6038 (alpha_handle_trap_shadows): ... a new function. Handle the entire
6039 function in one go. Emit RTL for trapb, instead of printf directly.
6040 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
6041 (trap_pending): Kill global variable.
6042 (output_epilog): Don't call final_prescan_insn.
6043 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
6044 * alpha.h (FINAL_PRESCAN_INSN): Remove.
6045 (MACHINE_DEPENENT_REORG): Define.
6046 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
6049 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
6051 Tune Haifa scheduler for Alpha:
6052 * alpha.h (ISSUE_RATE): Define.
6053 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
6054 EV4 adjustments to EV5.
6055 * alpha.md: Remove all scaling from function unit delays. Rework
6056 EV5 function units to match the CPU.
6057 (umuldi3_highpart): EV5 added the IMULH insn class.
6059 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
6061 * pa.c (following_call): Fail if the CALL_INSN is an indirect
6064 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
6066 * cplus-dem.c (demangle_signature): Don't look for return types on
6067 constructors. Handle member template constructors.
6069 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
6071 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
6072 * tree.h: Declare them.
6074 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
6076 * configure.in: Handle --with-newlib.
6077 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
6079 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
6081 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
6083 * config/ptx4.h: Fix typo.
6085 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
6087 * version.c: Bump for snapshot.
6089 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
6091 * aclocal.m4: Substitute INSTALL.
6092 * configure: Re-built.
6094 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
6096 * integrate.c (save_for_inline_copying): Avoid undefined pointer
6098 (expand_inline_function): Likewise.
6100 * dwarf2out.c (output_call_frame_info): Reinstate last change
6101 using flag_debug_asm check instead of flag_verbose_asm.
6103 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
6105 * dwarf2out.c (output_call_frame_info): Remove last change.
6107 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6109 * frame.c (__frame_state_for): Execute the FDE insns until the
6110 current pc value is strictly bigger than the target pc value.
6112 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
6114 * regclass.c (init_reg_modes): If we can't find a mode for the
6115 register, use the previous one.
6117 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
6119 * haifa-sched.c (print_block_visualization): Call fprintf directly,
6120 don't sprintf through an alloca'ed buffer.
6122 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
6124 * reload.c (decompose): Always initialize val.base.
6126 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
6128 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
6129 instead of aborting.
6130 * dwarf2out.c (output_call_frame_info): Call app_enable and
6131 app_disable to let GNU as accept the generated comments.
6133 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
6135 * tree.h (get_file_function_name): Add declaration.
6136 * dwarf2out.c (output_call_frame_info): No need to cast
6137 get_file_function_name call anymore.
6138 * profile.c (toplevel): Remove get_file_function_name
6140 * c-lang.c (finish_file): Ditto.
6142 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
6144 * Makefile.in (program_transform_name): Let autoconf substitute
6147 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
6149 * haifa-sched.c (schedule_block): If the first real insn in a
6150 block has any special notes attached to it, remove them.
6152 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
6154 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
6156 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
6158 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
6160 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
6162 * Makefile.in (check-g77): New test target.
6163 (CHECK-TARGETS): Add check-g77.
6165 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
6167 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
6169 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
6171 * flow.c (print_rtl_with_bb): Cast alloca return value for
6174 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
6176 * i386.h (RETURN_ADDR_RTX): New definition that works for
6177 __builtin_return_address(0) and -fomit-frame-pointer.
6179 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
6181 Bring over from FSF.
6182 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
6184 * mips.c (function_arg): Handle passing a struct
6185 containing a double in a DFmode register without the PARALLEL.
6187 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
6189 * pexecute.c: Use spawn if __CYGWIN32__.
6191 * pexecute.c: Include "config.h" first, as per autoconf manual
6192 (from Paul Eggert <eggert@twinsun.com>).
6194 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
6196 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
6197 optimisation for f/expr.o and f/stb.o.
6199 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
6201 * cse.c (this_insn_cc0_mode): Initialize.
6203 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
6205 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
6207 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
6209 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
6211 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
6212 that pair will dual-issue on the 21164 and plus+beq won't.
6213 (bne): Likewise for cmpeq+beq.
6215 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
6217 * except.c (find_exception_handler_labels): Correct argument to free.
6219 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
6221 * except.c (find_exception_handler_labels): Free LABELS when we're
6224 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
6226 * version.c: Bump for snapshot.
6228 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
6230 * flow.c (find_basic_blocks): Mark calls as potentially jumping
6233 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
6235 * configure.in: Substitute for "install" too.
6236 * configure: Rebuilt.
6238 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
6240 * Makefile.in (bootstrap-lean, compare-lean): New targets.
6242 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
6244 * alias.c (base_alias_check): Two symbols can conflict if they
6245 are accessed via AND.
6246 (memrefs_conflict_p): Likewise.
6248 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
6249 after flushing argument registers to the stack.
6251 * Makefile.in (mostlyclean): Remove .regmove files.
6253 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
6255 * libgcc2.c (__throw): Fix thinko.
6257 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
6259 * cplus-dem.c (demangle_template): Add new parameter. Handle new
6260 template-function mangling.
6261 (consume_count_with_underscores): New function.
6262 (demangle_signature): Handle new name-mangling scheme.
6264 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
6266 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
6269 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
6271 * frame.c: Remove last change.
6272 * dwarf2.h: Remove last change.
6273 * tree.h: Add declarations of DWARF2 unwind info support
6276 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
6278 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
6279 * tree.h (built_in_function): Likewise.
6280 * expr.c (expand_builtin): Likewise.
6281 * except.h: Likewise.
6282 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
6283 * libgcc2.c (copy_reg): New fn.
6286 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
6288 * c-typeck.c (build_binary_op): Warn about comparing signed vs
6289 unsigned if -W is specified and -Wno-sign-compare is not.
6290 * c-decl.c (warn_sign_compare): Initialize to -1.
6291 (c_decode_option): -Wall no longer implies -Wsign-compare.
6293 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6295 * frame.c: Include gansidecl.h for PROTO.
6296 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
6297 defined. Don't declare dwarf2out_cfi_label here.
6298 * dwarf2.h: Add declarations of DWARF2 unwind info support
6300 * m68k.c: Include dwarf2.h.
6301 (output_function_prologue): Add dwarf2 support.
6302 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
6303 (INCOMING_FRAME_SP_OFFSET): Likewise.
6305 * integrate.c (expand_inline_function): Make sure there is at
6306 least one insn that can be used as an insertion point.
6308 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
6310 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
6312 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
6314 * version.c: Bump for snapshot.
6316 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
6318 Bring over from FSF.
6320 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
6322 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
6323 (get_pc_via_rdpc): Renamed from get_pc_sp64.
6324 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
6326 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
6328 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
6329 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
6331 (sparc_align_{loops,jumps,funcs}_string): Declare.
6332 (sparc_align_{loops,jumps,funcs}): Declare.
6333 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
6334 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
6335 (STACK_BIAS): Define.
6336 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
6338 (SPARC_SETHI_P): New macro.
6339 (CONST_OK_FOR_LETTER_P): Use it.
6340 (ASM_OUTPUT_ALIGN_CODE): Define.
6341 (ASM_OUTPUT_LOOP_ALIGN): Define.
6342 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
6343 (sparc_align_{loops,jumps,funcs}): New globals.
6344 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
6346 (move_operand): Use SPARC_SETHI_P.
6347 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
6349 (arith11_double_operand): Likewise.
6350 (arith10_double_operand): Likewise.
6351 (finalize_pic): Finish sparc64 support.
6352 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
6353 64 bit constants if able.
6354 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
6355 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
6357 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
6358 (get_pc_sp32): Use for sparc64 as well.
6359 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
6360 (sethi_di_sp64_const): Likewise.
6361 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
6362 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
6363 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
6365 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
6367 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
6368 * sparc/linux.h (COMMENT_BEGIN): Likewise.
6369 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
6371 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
6373 Add sparc64 linux support.
6374 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
6375 to xm_file list on 32-bit sparc-linux.
6376 * sparc/xm-sp64.h: New file.
6377 * sparc/linux64.h: New file.
6378 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
6379 Don't include xm-sparc.h.
6380 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
6381 * glimits.h (LONG_MAX): Handle sparc64.
6383 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
6385 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
6386 * sparc.h (ASM_COMMENT_START): Define.
6387 * sparc.c (output_function_prologue): Use it.
6388 (sparc_flat_output_function_{epi,pro}logue): Likewise.
6390 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
6392 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
6393 use sparc.h's copies.
6394 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
6397 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6399 * sparc.c (dwarf2out_cfi_label): Add declaration.
6400 (save_regs, output_function_prologue): Remove cast for it.
6401 (sparc_flat_{save_restore,output_function_prologue): Likewise.
6402 ({save,restore}_regs): No longer inline.
6404 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6406 * fold-const.c (make_range): Correctly handle cases of converting
6407 from unsigned to signed type.
6409 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6411 * fold-const.c (merge_ranges): Make sure that if one range is subset
6412 of another, it will always be the second range. Correct (+,-) case to
6415 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
6417 * final.c (final_end_function): Also do dwarf2 thing if
6418 DWARF2_DEBUGGING_INFO.
6419 (final_start_function): Likewise.
6421 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
6423 * expmed.c (expand_divmod): If compute_mode is not the same as
6424 mode, handle the case where convert_modes() causes op1 to no
6425 longer be a CONST_INT.
6427 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
6428 note holding get_jump_flags() calculation to all JUMP_INSNs.
6429 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
6430 * rtl.c (reg_note_name): Add new note types.
6432 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
6434 * rtlanal.c (computed_jump_p): Fix typo in last change.
6436 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6438 * loop.c (indirect_jump_in_function_p): Return 0
6441 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
6443 * rs6000/xm-rs6000.h: Fix thinko in last change.
6444 * rs6000/xm-sysv4.h: Likewise.
6446 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
6448 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
6450 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
6452 * reg-stack.c (find_blocks): Fix thinko in last change.
6454 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6456 * m68k.c (output_function_prologue): Add dwarf2 support.
6458 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
6459 INCOMING_FRAME_SP_OFFSET): New definitions.
6461 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
6463 * combine.c (try_combine): Use NULL_RTX instead of '0' where
6464 appropriate in calls to gen_rtx().
6465 * cse.c (cse_main): Likewise.
6466 * emit-rtl.c (gen_label_rtx): Likewise.
6467 * expr.c (init_expr_once): Likewise.
6468 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
6469 sched_analyze, init_rgn_data_dependences,
6470 compute_block_backward_dependences): Likewise.
6471 * sched.c (schedule_insns): Likewise.
6472 * varasm.c (immed_double_const): Likewise.
6474 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
6475 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
6477 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
6479 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
6480 (MULTILIB_DEFAULTS): Define.
6481 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
6482 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
6483 (LIBGCC_SPEC): Likewise.
6484 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
6485 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
6486 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
6487 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
6488 (EXTRA_PARTS, TAROUTOPTS): Delete.
6489 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
6490 (MULTILIB_OPTIONS): Define.
6491 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
6492 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
6494 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
6496 * version.c: Bump for snapshot.
6498 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
6500 * loop.c (loop_number): Delete function. Change all references
6501 to use uid_loop_num array.
6502 * loop.h (loop_number): Delete declaration.
6503 * unroll.c (unroll_loop): Change "loop_number" references to
6504 use uid_loop_num instead.
6506 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
6508 (loop_unroll_iter): Remove unused variable and all references.
6509 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
6510 (insert_bct): Fix minor formatting problems.
6511 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
6512 (loop_unroll_iter): Removed unused decl.
6513 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
6514 Always record the unrolling factor.
6516 * cse.c (simplify_relational_operation): Set h0u just like h0s.
6517 Similarly for h1u and h1s.
6519 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
6520 (find_basic_blocks): Use computed_jump_p to determine if a
6521 particular JUMP_INSN is a computed jump.
6522 * reg-stack.c (find_blocks): Use computed_jump_p to determine
6523 if a particular JUMP_INSN is a computed jump.
6524 * rtlanal.c (jmp_uses_reg_or_mem): New function.
6525 (computed_jump_p): Likewise.
6526 * rtl.h (computed_jump_p): Declare.
6527 * genattrtab.c (pc_rtx): Define and initialize.
6528 * loop.c (loop_optimize): Always determine if the current
6529 function has a computed jump.
6530 (indirect_jump_in_function_p): Use computed_jump_p to determine
6531 if a particular JUMP_INSN is a computed jump.
6533 * loop.c (fix_bct_param): Delete unused function.
6534 (check_bct_param): Likewise.
6536 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
6538 * frame.c (__deregister_frame): Check properly for initialized object.
6540 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6542 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
6544 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6546 * jump.c (thread_jumps): check can_reverse_comparison_p before
6547 threading a reversed-condition jump.
6549 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
6550 * haifa-sched.c (update_flow_info): Likewise.
6552 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
6554 * Makefile.in (BOOT_CFLAGS): Use -O2.
6556 * configure.in (strtoul, bsearch): Have autoconf check for these
6558 * configure, config.in: Rebuilt.
6560 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
6561 * mips/mips.h (alloca): Likewise.
6562 * rs6000/xm-rs6000.h (alloca): Likewise.
6563 * rs6000/xm-sysv4.h: Likewise.
6565 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
6567 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
6568 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
6569 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
6571 * except.c (end_eh_unwinder): Subtract 1 from return address.
6572 * libgcc2.c (__throw): Likewise.
6573 (find_exception_handler): Don't change PC here. Compare end with >.
6575 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
6577 * v850.c (compute_register_save_size): Correct register
6579 * v850.md (save_interrupt, return_interrupt): Correct
6581 * v850/lib1funcs.asm (save_interrupt): Correct register number.
6582 (return_interrupt): Use stack pointer, not element pointer.
6584 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
6586 * configure.in, configure: Make sure to create the stage* and include
6587 symbolic links in each subdirectory.
6589 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
6591 * pa.md (reload_peepholes): Don't allow addresses with side
6592 effects for the memory operand.
6594 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
6596 * libgcc2.c (find_exception_handler): Subtract one from our PC when
6597 looking for a handler, to avoid hitting the beginning of the next
6600 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
6602 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
6604 * mips/abi64.h (LONG_MAX_SPEC): Define.
6605 * mips.h (LONG_MAX_SPEC): Define.
6606 (CPP_SPEC): Include long_max_spec.
6607 (EXTRA_SPECS): Include long_max_spec.
6609 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
6611 * v850.c (construct_save_jarl): Fix thinko in last change.
6613 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
6615 * version.c: Bump for snapshot.
6617 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
6619 * libgcc2.c (find_exception_handler): Not found is -1.
6621 * integrate.c (expand_inline_function): Move expand_start_bindings
6622 after expanding the arguments.
6624 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
6626 * expr.c (expand_expr): Remove previous incorrect change.
6627 If target and slot has no DECL_RTL, then call mark_addressable
6628 again for the slot after we give it RTL.
6630 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
6632 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
6633 again for the slot after we give it RTL.
6635 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
6637 * v850.c (register_is_ok_for_epilogue,
6638 pattern_is_ok_for_epilogue, construct_restore_jr,
6639 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
6641 * v850.h (pattern_is_ok_for_prologue,
6642 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
6645 * v850.md: Replace prologue and epilogue patterns with a
6646 match_parallel pattern.
6648 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
6650 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
6651 * configure.in: Use EGCS_PROG_INSTALL.
6653 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
6655 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
6656 extern inline function.
6658 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
6660 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
6661 (concat_loc_descriptor): New function.
6662 (loc_descriptor): Call it.
6663 (add_AT_location_description): Also elide the descriptor if both
6664 halves of a CONCAT are pseudos.
6665 (add_location_or_const_value_attribute): Recognize CONCAT too.
6667 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
6669 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
6671 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
6672 out-or-range reg_offset.
6673 (output_epilog): Likewise.
6675 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
6677 * cse.c (simplify_relational_operation): If MODE specifies a
6678 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
6679 is derived from the sign bit of the low word.
6681 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
6683 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
6685 * dwarf2.h: Add DW_CFA_GNU_args_size.
6686 * frame.c (execute_cfa_insn): Likewise.
6687 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
6688 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
6689 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
6690 insn, hand it off to dwarf2out_stack_adjust.
6691 (dwarf2out_begin_prologue): Initialize args_size.
6692 * frame.h (struct frame_state): Add args_size.
6693 * libgcc2.c (__throw): Use args_size.
6694 * final.c (final_scan_insn): If we push args, hand off all insns
6695 to dwarf2out_frame_debug.
6696 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
6698 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
6699 Handle epilogue restore of SP from FP.
6700 * emit-rtl.c (gen_sequence): Still generate a sequence if the
6701 lone insn has RTX_FRAME_RELATED_P set.
6703 * frame.c (extract_cie_info): Handle "e" augmentation.
6704 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
6705 absence of UNALIGNED_*_ASM_OP.
6706 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
6707 (output_call_frame_info): Use "e" instead of "z" for augmentation.
6708 Don't emit augmentation fields length.
6709 (dwarf2out_do_frame): Move outside of #ifdefs.
6710 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
6713 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
6714 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
6715 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
6716 * sparc/sun4gas.h: New file.
6717 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
6719 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
6720 __register_frame_table and __deregister_frame.
6722 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
6724 * except.c (find_exception_handler_labels): Use xmalloc instead of
6725 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
6728 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
6730 * Makefile.in: Various changes to build info files
6731 in the object tree rather than the source tree.
6733 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
6735 * fixinc.math: New file to fix math.h on some systems.
6736 * configure.in (freebsd, netbsd): Use fixinc.math on these
6738 * configure: Rebuilt.
6740 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
6742 * regmove.c (regmove_optimize): If we end up moving the
6743 original insn due to lifetime overlaps, make sure to move
6746 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
6748 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
6750 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
6752 * haifa-sched.c (add_branch_dependences): Make each insn in
6753 a SCHED_GROUP_P block explicitly depend on the previous insn.
6755 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
6757 * except.h: Prototype dwarf2 hooks.
6760 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
6762 * configure.in (native_prefix): Delete.
6763 (mips-dec-netbsd): Don't set prefix.
6764 (*linux*): Don't set prefix.
6766 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
6768 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
6769 defined. If not defined, include <sys/varargs.h> if
6770 HAVE_SYS_VARARGS_H is defined.
6771 * configure.in: Test for varargs.h and sys/varargs.h.
6772 * configure: Regenerate with autoconf.
6773 * config.in: Regenerate with autoheader.
6775 * cpplib.c (quote_string): Cast first arg of sprintf call
6776 from "unsigned char *" to "char *".
6777 (output_line_command): Ditto.
6778 (macroexpand): Ditto.
6779 (do_line): Cast atoi arg from "unsigned char *" to "char *".
6781 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
6783 * version.c: Bump for snapshot.
6785 * Makefile.in (compare): Exit with nonzero status if there
6786 are comparison failures. Note which files failed the
6787 comparison test in .bad_compare.
6789 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6791 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
6793 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
6795 * Makefile.in (LN, LN_S): New macros, use where appropriate.
6796 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
6797 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
6798 * configure: Regenerated.
6800 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
6802 * loop.c (strength_reduce): Fix typo.
6804 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
6806 * m88k/m88k.c (struct option): Rename to struct options.
6807 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
6808 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
6809 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
6810 __DOLPHIN__ or sysV88.
6812 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
6814 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
6817 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
6819 * config.sub: Accept 'amigados' for backward compatability.
6821 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6823 * Makefile.in (testsuite/site.exp): New target.
6824 (check-gcc, check-g++): Depend on testsuite/site.exp.
6825 Don't stop for failure.
6827 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
6829 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
6830 if DWARF2_UNWIND_INFO.
6832 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
6834 Add support for exception handling using DWARF 2 frame unwind info.
6835 Currently works on SPARC and MIPS, and almost on x86.
6837 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
6838 next_stack_level, in_reg_window): Helper fns.
6839 (__throw): Implement for DWARF2_UNWIND_INFO.
6841 * expr.c (expand_builtin): Handle builtins used by __throw.
6842 * tree.h (enum built_in_function): Add builtins used by __throw.
6843 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
6844 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
6845 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
6846 (expand_builtin_extract_return_addr): Likewise.
6847 (expand_builtin_frob_return_addr): Likewise.
6848 (expand_builtin_set_return_addr_reg): Likewise.
6849 (expand_builtin_eh_stub): Likewise.
6850 (expand_builtin_set_eh_regs): Likewise.
6851 (eh_regs): Choose two call-clobbered registers for passing back values.
6853 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
6854 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
6855 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
6856 (stmp-multilib): Likewise.
6857 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
6859 * except.c: #include "defaults.h".
6860 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
6861 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
6862 (register_exception_table_p): New fn.
6863 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
6864 (end_eh_unwinder): Likewise.
6866 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
6867 call __register_frame and __deregister_frame as needed.
6868 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
6869 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
6870 EH_FRAME_SECTION_ASM_OP.
6871 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
6872 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
6873 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
6875 * dwarf2out.c (output_call_frame_info): If no support for
6876 EXCEPTION_SECTION, mark the start of the frame info with a
6878 * collect2.c (frame_tables): New list.
6879 (is_ctor_dtor): Recognise frame entries.
6880 (scan_prog_file): Likewise.
6881 (main): Pass -fno-exceptions to sub-compile. Also do collection
6882 if there are any frame entries.
6883 (write_c_file_stat): Call __register_frame_table and
6884 __deregister_frame as needed.
6885 (write_c_file_glob): Likewise.
6887 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
6888 Also require unaligned reloc support.
6889 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
6890 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
6891 * sparc/sysv4.h: Not here.
6893 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
6894 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
6895 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
6897 * libgcc2.c (L_eh): Reorganize, moving code shared by different
6898 EH implementations to the top.
6899 (find_exception_handler): Split out. Start from 0. Compare against
6901 (__find_first_exception_table_match): Use it.
6902 * except.c (output_exception_table): Don't do anything if there's
6903 no table. Don't output a first entry of zeroes.
6904 (eh_outer_context): Adjust properly.
6905 (add_eh_table_entry): Use xrealloc.
6906 * toplev.c (compile_file): Just call output_exception_table.
6908 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
6910 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
6912 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
6914 * except.c (eh_outer_context): Do masking using expand_and.
6916 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
6918 Add port done awhile ago for the ARC cpu.
6919 * arc/arc.h: New file.
6920 * arc/arc.c: New file.
6921 * arc/arc.md: New file.
6922 * arc/initfini.c: New file.
6923 * arc/lib1funcs.asm: New file.
6924 * arc/t-arc: New file.
6925 * arc/xm-arc.h: New file.
6926 * ginclude/va-arc.h: New file.
6927 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
6928 * ginclude/varargs.h: Likewise.
6929 * Makefile.in (USER_H): Add va-arc.h.
6930 * configure.in (arc-*-elf*): Recognize.
6931 * longlong.h: Add ARC support.
6933 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
6935 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
6936 when clearing non-BLKmode data.
6938 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
6940 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
6941 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
6943 * xm-m88k.h (USG): Only define if it hasn't already been defined.
6945 * Makefile.in (risky-stage1): Delete gratutious whitespace.
6947 * Makefile.in (clean): Delete libgcc1-test.
6949 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
6951 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
6953 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
6956 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6958 * dwarf2out.c (output_call_frame_info): Call named_section.
6960 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
6962 * haifa-sched.c (print_value): Fix last change.
6964 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
6966 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
6969 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
6971 * mips.c (function_prologue): Set up the CFA when ABI_32.
6973 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
6974 for dwarf2 unwind info.
6975 (output_function_prologue, sparc_flat_output_function_prologue): Same.
6977 * final.c (final_end_function): Check dwarf2out_do_frame instead
6978 of DWARF2_DEBUG for dwarf2 unwind info.
6979 (final_scan_insn): Likewise.
6980 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
6983 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
6986 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
6988 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
6990 * v850.h (ASM_SPEC): Pass on target processor.
6991 (CPP_PREDEFINES): Only define if not already specified.
6992 (TARGET_VERSION): Only define if not already specified.
6993 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
6995 (EXTRA_SWITCHES): Extra entries in the switches array.
6996 (TARGET_DEFAULT): Set default target processor.
6998 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
7000 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
7001 cases, add %# and %/, and add : to make them into extended asms.
7003 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
7005 * alias.c (init_alias_analysis): Clean up incompatible pointer
7006 type warning in bzero.
7007 * regmove.c (regmove_optimize): Ditto.
7008 * haifa-sched.c (find_rgns): Ditto.
7010 * haifa-sched.c (print_value): Clean up ptr->int cast
7013 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
7015 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
7016 * install.texi (Configurations): Ditto.
7017 * config.sub: Ditto.
7019 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
7021 * Makefile.in (sdbout.o): Depend on insn-config.h.
7023 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
7025 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
7026 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
7028 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
7030 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
7031 prologue insn, only the first elt is significant.
7032 (output_call_frame_info): For exception handling, always use 4-byte
7033 fields as specified by the dwarf2 spec.
7034 Don't skip trivial FDEs.
7036 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
7038 * version.c: Bump for snapshot.
7040 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
7042 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
7043 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
7046 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
7048 * final.c (shorten_branches): During first pass, assume worst
7049 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
7051 * Makefile.in (distclean): Remove various things left around
7052 by running the testsuite.
7054 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
7056 * configure.in (out_file): Emit definition to config.status in order
7057 to have a defined value for configure.lang.
7058 * configure: Re-built.
7060 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
7062 * configure.in: Make symlink to as-new rather than as.new. Similarly
7064 * configure: Rebuilt.
7066 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
7068 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
7070 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
7072 * sparc/sparc.md: Add ultrasparc scheduling support.
7073 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
7075 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
7077 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
7078 as initial value for real_label_map.
7079 (copy_for_inline): Likewise.
7081 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7083 * sched.c (update_flow_info) When looking if to set found_split_dest
7084 or found_orig_dest, look at all parts of a PARALLEL.
7085 * haifa-sched.c (update_flow_info): Likewise.
7087 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
7089 * v850: New directory for v850 port.
7090 * v850/lib1funcs.asm: New file.
7091 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
7092 * ginclude/va-v850.h: New file.
7093 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
7094 * configure.in (mn10200-*-*): New target.
7095 * configure: Rebuilt.
7096 * config.sub: Handle v850-elf.
7097 * Makefile.in (USER_H): Add va-mn10200.h.
7098 * invoke.texi: Document v850 stuff.
7100 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
7102 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
7103 has integer TYPE_{MAX,MIN}_VALUE before using them.
7105 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
7106 __HPUX_ASM__ versions.
7108 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
7110 * install.sh: Delete duplicate install script.
7112 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
7114 * reg-stack.c (subst_stack_regs): Pop the stack register for a
7115 computed goto which sets the same stack register.
7117 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
7118 destination are both on the regstack.
7119 (subst_stack_regs_pat): Put the destination at the top of the regstack.
7121 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
7123 * mips.md (nonlocal_goto_receiver): Define.
7125 * profile.c (output_arc_profiler): Check next_insert_after for non
7126 NULL before deferencing it.
7128 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
7130 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
7132 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
7134 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
7136 * toplev.c (rest_of_compilation): For passes starting with
7137 flow_analysis, use print_rtl_with_bb instead of print_rtl.
7139 * print-rtl.c (print_rtl_single): Print a single rtl value to a
7142 * flow.c (print_rtl_with_bb): Print which insns start and end
7143 basic blocks. For the start of a basic block, also print the live
7146 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
7148 * toplev.c (main): Change #elif to #else/#ifdef
7150 * tlink.c: Include ctype.h.
7151 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
7153 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
7155 * bitmap.c: Conditionally include stdlib.h.
7156 (free): Provide a declaration if NEED_DECLARATION_FREE.
7158 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
7160 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
7162 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
7164 * profile.c (output_arc_profiler): Verify next_insert_after is an
7165 INSN before and after skipping a stack pop.
7167 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7169 * final.c (shorten_branches): Don't count the lengths of deleted
7172 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
7174 * version.c: Bump for snapshot.
7176 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
7178 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
7179 two bitmaps ANDed together.
7180 (bitmap_print): Declare.
7182 * bitmap.c (function_obstack): Don't declare any more.
7183 (bitmap_obstack): Obstack for allocating links from.
7184 (bitmap_obstack_init): New static to say whether to initialize
7186 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
7187 (bitmap_release_memory): Free all memory allocated from
7190 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
7191 EXECUTE_IF_AND_IN_BITMAP.
7193 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
7195 * alias.c (true_dependence): Address with AND can alias scalars.
7196 (anti_dependence, output_dependence): Likewise.
7198 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
7200 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
7202 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
7203 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
7204 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
7205 definitions. Use -qrtems instead of -mrtems.
7207 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
7209 * xm-sco5.h (sys_siglist): Define.
7210 (SYS_SIGLIST_DECLARED): Likewise.
7212 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
7214 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
7216 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
7218 * except.c (eh_outer_context): Expand masking operation using
7221 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
7223 * alpha.md (floatdisf2-1): New pattern.
7225 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
7227 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
7228 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
7229 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
7230 * gcc.texi: Note that if you define sys_siglist that you should
7231 also define SYS_SIGLIST_DECLARED.
7233 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
7234 are relative to the next instruction, not the current instruction.
7236 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
7238 * local-alloc.c (contains_replace_regs): New function.
7239 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
7240 verify that there is no existing REG_EQUIV note, and add a call to
7241 contains_place_regs.
7243 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7245 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
7246 (STARTFILE_SPEC): Always use crtbegin.o%s
7247 (ENDFILE_SPEC): Always use crtend.o%s.
7249 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
7251 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
7253 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
7254 SFmode for 64 bit hosts.
7256 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
7258 * fixincludes: Permits spaces between # and define. Discard C++
7259 comments in sys/pci.h on HP/UX 10.20.
7261 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
7263 * version.c: Bump for snapshot.
7265 * pa.c (restore_unscaled_index_insn_codes): New function.
7266 (record_unscaled_index_insn_codes): Likewise.
7267 (output_function_prologue): Call restore_unscaled_index_insn_codes.
7268 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
7269 (pa_reorg): Call record_unscaled_index_insn_codes.
7271 * haifa-sched.c (move_insn): Handle notes correctly for insns
7272 with SCHED_GROUP_P set.
7274 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7276 * alpha/xm-linux.h (USE_BFD): Undef before define.
7278 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
7280 * cse.c (cse_insn): Don't record BLKmode values.
7282 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
7284 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
7286 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
7288 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
7289 * collect2.c (sys_errlist): Likewise.
7290 * cpplib.c (sys_errlist): Likewise.
7291 * gcc.c (sys_errlist): Likewise.
7292 * protoize (sys_errlist): Likewise.
7293 * configure.in: Check for strerror.
7294 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
7295 * xm-gnu.h (HAVE_STRERROR): Likewise.
7296 * xm-linux.h (HAVE_STRERROR): Likewise.
7297 * xm-netbsd.h (HAVE_STRERROR): Likewise.
7298 * xm-bsd386.h (HAVE_STRERROR): Likewise.
7299 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
7300 * xm-dos.h (HAVE_STRERROR): Likewise.
7301 * xm-mingw32.h (HAVE_STRERROR): Likewise.
7302 * xm-pa.h (HAVE_STRERROR): Likewise.
7303 * xm-papro.h (HAVE_STRERROR): Likewise.
7304 * xm-sysv4.h (HAVE_STRERROR): Likewise.
7305 * configure, config.in: Rebuilt.
7307 * Makefile.in: Add several missing "else true" clauses.
7309 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
7310 * mips-tfile.c: Likewise.
7311 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
7312 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
7313 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
7314 * configure.in: Check for sys_siglist declaration.
7315 * configure, config.in: Rebuilt.
7317 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
7319 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
7320 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
7321 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
7322 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
7323 * rs6000/sysv4.h (extra_subtarget_switches): Added new
7324 macro EXTRA_SUBTARGET_SWITCHES.
7325 * configure.in (sh*-*-rtems*): New target.
7326 * sh/rtems.h: New file.
7327 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
7328 * configure: Rebuilt.
7330 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
7332 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
7334 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
7336 * rs6000.md: Make DF fused-add operations pay attention to
7339 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
7341 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
7343 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
7345 * pa.md (reload_peepholes): Make sure operand is a REG before
7346 examining REGNO. Allow general registers too.
7348 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
7350 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
7352 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
7354 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
7355 to reallocate abbrev_die_table.
7357 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
7359 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
7361 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7363 * Makefile.in (config.status): Depend on version.c
7365 * expr.h (insn_gen_function): Reenable prototype.
7367 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
7370 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
7372 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
7374 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
7376 * version.c: Bump for latest snapshot.
7378 * bc-optab.c: Conditionally include stdlib.h.
7379 (free): Provide a declaration if NEED_DECLARATION_FREE.
7380 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
7381 * rtl.h (free): Remove declaration.
7382 * tree.h (free): Remvoe declaration.
7384 * configure: Rebuilt.
7386 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
7388 * flags.h (flag_move_all_movables): Declare.
7389 (flag_reduce_all_givs): Likewise.
7390 * loop.c (move_movables): Handle flag_move_all_movables.
7391 (strength_reduce): Handle flag_reduce_all_givs.
7392 * toplev.c (flag_move_all_movables): Define.
7393 (flag_reduce_all_givs): Likewise.
7394 (f_options): Add -fmove-all-movables and -freduce-all-givs.
7395 * invoke.texi: Document new options, including alias stuff that
7396 wasn't included last time.
7398 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
7400 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
7403 * t-vxworks68: Ditto.
7404 * t-vxworks960: Ditto.
7407 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
7409 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
7410 if not already defined, and USE_C_ALLOCA not defined.
7412 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
7414 * config.guess: Replace with script that uses ../config.guess.
7416 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
7417 if USE_GNULIBC_1 is not defined.
7419 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
7421 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
7422 * config.guess: Recognize alpha-linux-gnulibc1.
7423 * configure.in (alpha-*-linux-gnulibc1): New target.
7424 (alpha-*-linux-gnu*): Don't build crtbegin/end.
7426 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
7428 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
7431 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
7433 * loop.c (combine_movables): Earlier insns don't match later ones.
7435 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7437 * config/linux.h (CC1_SPEC): Define it only if not defined.
7439 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
7442 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
7443 USE_GNULIBC_1 is not defined.
7445 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
7447 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
7448 as 1 if USE_GNULIBC_1 is not defined.
7450 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
7452 * reorg.c (dbr_schedule): Allow current_function_return_rtx
7453 to be something other than a REG.
7454 * function.c (expand_function_end): Fix current_function_return_rtx
7457 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
7458 * x-netbsd: Likewise
7459 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
7460 (INSTALL_HEADERS): Delete.
7461 * x-dguxbcs: Likewise.
7462 * x-hp3bsd44: Likewise
7465 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7467 * i386.md (pop): pop increments the stack pointer.
7468 (prologue_set_stack_ptr): New pattern.
7469 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
7472 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
7474 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
7475 address where an offsettable address is required.
7477 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
7479 * loop.c (check_final_value): Don't miss a biv increment in a
7482 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
7484 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
7485 TYPE_DECL_IS_STUB instead of DECL_NAME.
7487 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7489 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
7491 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
7493 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
7495 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
7497 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
7498 (find_post_sched_live): Likewise.
7500 * haifa-sched.c (schedule_block): Remove old code to get arguments
7501 from hard regs into pseudos early.
7503 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
7505 * version.c: Bump for new snapshot.
7507 * local-alloc.c (update_equiv_regs): All the target to reject
7508 promotion of some REG_EQUAL to REG_EQUIV notes.
7509 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
7511 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
7514 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
7515 store of the argument registers.
7517 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
7519 * fold-const.c (multiple_of_p): New function.
7520 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
7522 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
7524 * expr.h (insn_gen_function): Temporarily remove prototype.
7526 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
7528 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
7529 filenames. Use sed to extract base filename for install.
7531 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
7533 * unroll.c (find_splittable_givs): Only share if two givs have the
7534 same add and multiply values.
7536 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
7538 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
7539 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
7541 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
7543 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
7544 around branch tables.
7545 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
7546 and .end_brtab directives if TARGET_GAS.
7548 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
7550 * alias.c (true_dependence): Pass x_addr not x to varies.
7552 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
7553 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
7554 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
7556 * config.in, configure: Regenerate.
7558 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
7560 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
7562 (record_set): Handle LO_SUM like PLUS.
7563 (init_alias_analysis): When following chains of base addresses,
7564 do not stop on reaching a hard register.
7566 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
7568 * version.c: Bump for new snapshot.
7570 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
7572 * alpha.h (ARCH_ASM_FILE_START): Define.
7573 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
7574 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
7576 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
7578 * Makefile.in (install-common): Put gcov comment at start of line.
7580 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
7582 * alias.c (init_alias_analysis): When simplifying the reg_base_value
7583 array, simplify entries for hard registers too.
7585 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
7587 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
7590 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
7592 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
7593 block_stack before dereferencing it.
7595 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
7597 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
7599 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
7601 * cplus-dem.c: Add 'extern' to prepends_underscore.
7603 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
7605 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
7606 (get_issue_rate): Delete.
7607 * pa.h (ISSUE_RATE): Define.
7609 * configure.in: Turn on haifa by default for the PA.
7610 * configure: Rebuilt.
7611 * pa.c (override_options): Accept -mschedule=7200 option.
7612 (pa_adjust_cost): No longer need to scale costs for newer
7614 * pa.h (enum processor_type): Add PROCESSOR_7200.
7615 * pa.md: Revamp scheduling parameters to work better with
7616 haifa. Add scheduling parameters for the 7200.
7618 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
7620 (schedule_block): When adjusting basic_block_{head,end}, account
7621 for movement of SCHED_GROUP_P insns too.
7623 * haifa-sched.c (debug_dependencies): Fix thinko.
7625 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
7626 (site.exp, check, check-g++, check-gcc): New targets.
7628 * haifa-sched.c: Make lots of variables static.
7630 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7632 * expr.h, real.h: Finish prototyping.
7634 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
7636 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
7637 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
7638 * reload1.c: Undo bugfix from Aug 11.
7640 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
7642 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
7643 quotes around the name.
7644 * configure: Regenerate.
7646 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
7648 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
7650 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
7652 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
7653 to sub-makes to avoid building more passes than the user might have
7654 requested on the command line.
7656 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
7658 * configure.in: Expurgate `broken_install' (install is
7661 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
7664 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
7666 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
7667 functions and declarations.
7668 (analyze_loop_iterations): Use condjump_p.
7669 (insert_bct): Likewise. Use exact_log2.
7671 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
7673 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
7674 (schedule_region): Likewise.
7675 (schedule_insns): Likewise.
7677 * PROJECTS: Update with Haifa stuff.
7679 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
7681 * version.c: Change the version string to look like:
7682 egcs-2.90.00 970814 (gcc2-970802 experimental).
7684 * loop.c (is_conditional_branch): Make definition match declaration.
7686 * gcc.c: Take out experimental snapshot warning message.
7688 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
7690 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
7691 print out the names of the notes. Print out the name of the insn
7692 that is not a note, and not an {,CALL_,JUMP_}INSN.
7694 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
7696 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
7697 again for the slot after we give it RTL.
7699 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
7701 * configure.in (haifa configury): Fix typo.
7702 * configure: Regenerate.
7704 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
7706 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
7708 * gcc.info*: Rebuilt.
7710 * COPYING.g77, README.g77: New files.
7711 * real.c (ereal_unto_float, ereal_unto_double): New functions.
7712 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
7713 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
7715 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
7717 * Integrate Haifa instruction scheduler.
7718 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
7719 to sched with $(SCHED_CFLAGS.
7720 * configure.in: Handle --enable-haifa.
7721 * configure: Rebuilt.
7722 * flags.h: Add new flags for haifa instruction scheduler.
7723 * genattrtab.c (expand_units): For haifa, don't subtract one
7724 when computing blockage.
7725 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
7726 (flag_schedule_speculative): Ditto.
7727 (flag_schedule_speculative_load): Ditto.
7728 (flag_schedule_speculative_load_dangerous): Ditto.
7729 (flag_schedule_reverse_before_reload): Ditto.
7730 (flag_schedule_reverse_after_reload): Ditto.
7731 (flag_branch_on_count_reg): Ditto.
7732 (f_options): Add Haifa switches.
7733 (main): Turn off some Haifa options if appropriate macro is
7734 defined. Process Haifa switches.
7735 * unroll.c (iteration_info): No longer static, since Haifa
7737 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
7738 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
7739 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
7740 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
7741 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
7742 storage for the Haifa scheduler.
7743 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
7745 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
7746 are defined, call analyze_loop_iterations and insert_bct to use
7748 (record_giv): Refine test for jumps out of loops if HAIFA is
7750 (analyze_loop_iterations): New function to identify if we can use
7752 (insert_bct): Insert countdown loop.
7753 (instrument_loop_bct): Low level code to insert countdown loop.
7754 (loop_number): Calculate UID of loop.
7755 (indirect_jump_in_function_p): Return true if an indirect jump is
7757 (is_power_of_2): Return true if value is a power of 2.
7758 (is_conditional_branch): Return true if insn is a conditional
7760 (fix_bct_param): Process -fbct-{min,max}-N switches.
7761 (check_bct_param): Return true if loop should be instrumented.
7762 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
7763 (loop_optimize): Initialize.
7764 (get_condition_for_loop): Ditto.
7765 * loop.c (strength_reduce): Inside of code that uses #ifdef
7766 HAVE_decrement_and_branch_on_count code, test it to make sure the
7768 (instrument_loop_bct): Ditto.
7769 * haifa-sched.c: New file.
7772 * Integrate regmove pass.
7773 * Makefile.in (OBJS): Add regmove.o
7774 (regmove.o): Add dependencies.
7775 * flow.c (find_use_as_address): No longer static.
7776 * rtl.h (find_use_as_address): Declare.
7777 * toplev.c (regmove_dump, flag_regmove): Define.
7778 (f_options): Add -fregmove.
7779 (regmove_dump_file, regmove_time): Define.
7780 (fatal_insn): Close the regmove dump file.
7781 (compile_file): Initialize regmove_time; open/close the regmove dump
7782 file as needed. Print regmove time as needed.
7783 (rest_of_compilation): Run regmove pass if requested, dump
7784 RTL after regmove if requested.
7785 (main): If -O2 or more, turn on regmove. Handle dump switches.
7786 * regmove.c: New file.
7788 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
7790 * Integrate tlink patch from jason@cygnus.com
7791 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
7792 (process_command): Increment n_switches for them. Don't discard
7793 their args. Validate them.
7794 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
7796 (process_command): Set include_prefixes from COMPILER_PATH.
7797 (main): Set COLLECT_GCC_OPTIONS sooner.
7798 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
7799 * tlink.c, hash.c, hash.h: New files.
7800 * Makefile.in (USE_COLLECT2): Always use collect2.
7801 (collect2): Depend on and link in hash.o and tlink.o.
7802 (tlink.o, hash.o): Add dependencies.
7804 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
7806 * Integrate alias analysis changes from jfc@mit.edu
7807 * Makefile.in (OBJS): Add alias.o
7808 (alias.o): Add dependencies.
7809 * alias.c: New file.
7810 * sched.c: Remove alias analysis code. It lives in alias.c now.
7811 (sched_analyze_2): Add new arguments to true_dependence.
7812 (schedule_insns): Always call init_alias_analysis.
7813 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
7814 mark return value from such functions as a pointer and keep track of
7815 them for alias analysis. If a return value from a function is a
7816 pointer, mark it as such.
7817 * combine.c (distribute_notes): Handle REG_NOALIAS.
7818 * cse.c (struct write_data): Delete. No longer needed.
7819 (invalidate): Don't call set_nonvarying_address_components anymore.
7820 Use true_dependence to decide if an entry should be removed from
7822 (invalidate_memory): Remove WRITES argument, simplify appropriately.
7824 (note_mem_written): Similarly for WRITE_PTR argument.
7825 (invalidate_from_clobbers): Similarly for W argument.
7826 (invalidate_for_call): Remove memory elements from the hash table.
7827 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
7828 (cse_rtx_varies_p): New function. Derived from old
7829 cse_rtx_addr_varies_p.
7830 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
7831 Don't call note_mem_written anymore. Stack pushes invalidate the stack
7832 pointer if PUSH_ROUNDING is defined. No longer need to call
7833 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
7834 (skipped_writes_memory): Remove variable.
7835 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
7836 (invalidate_skipped_block): Simplify for new alias analysis code.
7837 (cse_set_around_loop): Likewise.
7838 (cse_main): Call init_alias_analysis.
7839 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
7840 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
7841 (f_options): Add new alias checking arguments.
7842 (main): Set flag_alias_check when optimizing.
7843 * local_alloc (validate_equiv_mem_from_store): Add new arguments
7845 (memref_referenced_p): Likewise.
7846 * loop.c (NUM_STORES): Increase to 30.
7847 (prescan_loop): Only non-constant calls set unknown_address_altered.
7848 (invariant_p): Add new arguments to true_dependence.
7849 (record_giv): Initialize unrolled and shared fields.
7850 (emit_iv_add_mult): Call record_base_value as needed.
7851 * loop.h (struct induction): Add unrolled and shared fields.
7852 * unroll.c (unroll_loop): Call record_base_value as needed.
7853 (copy_loop_body): Likewise.
7854 (final_biv_value): Likewise.
7855 (final_giv_value): Likewise.
7856 (find_splittable_regs): Likewise. Only create one new pseudo
7857 if we have multiple address GIVs that were combined with the same
7858 dst_reg GIV. Note when a new register is created due to unrolling.
7859 * rtl.c (reg_note_name): Add REG_NOALIAS.
7860 * rtl.h (enum reg_note): Similarly.
7861 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
7862 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
7863 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
7864 (true_dependence, read_dependence, anti_dependence): Likewise.
7865 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
7866 (mark_user_reg, mark_reg_pointer): Likewise.
7869 * Integrate reload bugfix from Wilon which enables the PA port
7871 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
7872 OPERAND_ADDRESS when computing how many registers an insn needs.
7873 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
7875 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
7877 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
7878 in reload_reg_use_in_op_addr do not reach the end.
7879 do not reach the end.
7880 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
7881 RELOAD_FOR_OPERAND_ADDRESS.
7883 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
7885 * egcs project officially starts.