1 Thu Apr 16 22:41:02 1998 Jeffrey A Law (law@cygnus.com)
3 * c-lex.c (skip_white_space_on_line): Add prototype.
5 * alias.c (record_set): Add prototype.
6 (find_base_term, base_alias_check): Likewise.
8 * function.c (assign_outer_stack_local): Make static and add prototype.
10 * haifa-sched.c (build_control_flow): Accept raw data as inputs
11 instead of computing it locally. Callers changed.
12 (find_rgns): Several new arguments. Callers changed.
13 Generally clean up and comment better. Use dominators to
14 identify reducible loops. Convert some flag arrays to bitmaps.
15 Convert most of the code to work on pred/succ lists instead of
16 an edge table. Add comments for future improvements.
17 (schedule_insns): Allocate temporary tables for flow data, call
18 routines to compute flow data and pass it along to children as
20 (debug_control_flow): Delete. Use dump_bb_data instead.
22 * basic-block.h (compute_dominators): Declare.
24 * flow.c (dump_sbitmap, dump_sbitmap_vector): New debugging
26 * basic-block.h: Declare them.
28 Thu Apr 16 13:45:51 1998 Jim Wilson <wilson@cygnus.com>
30 * reg-stack.c (constrain_asm_operands): Set n_alternatives to zero if
33 Wed Apr 15 11:33:09 1998 Alexandre Petit-Bianco <apbianco@sendai.cygnus.com>
35 * tree.c (build_expr_wfl): Use NULL_TREE if the file name is NULL.
36 Propagate TREE_SIDE_EFFECTS and TREE_TYPE iff the encapsulated
37 node is non NULL. Cache last file name and file name identifier node.
39 1998-04-15 Mark Mitchell <mmitchell@usa.net>
41 * c-common.c (declare_hidden_char_array): Use TYPE_DOMAIN to get
42 the length of an array, not TREE_TYPE.
44 Wed Apr 15 15:31:34 1998 Jeffrey A Law (law@cygnus.com)
46 * flow.c (sbitmap_union_of_successors): New function.
47 * basic-block.h (sbitmap_union_of_successors): Declare it.
49 Wed Apr 15 12:38:03 1998 Jim Wilson <wilson@cygnus.com>
51 * configure.in (gnu_ld): Rename to gnu_ld_flag before main loop.
52 Set gnu_ld to gnu_ld_flag inside main loop.
55 Wed Apr 15 14:50:05 1998 Dave Brolley <brolley@cygnus.com>
57 * toplev.c (compile_file): Call init_parse using new interface.
58 (init_lex): Remove declaration.
60 * c-lex.c (init_parse): Now returns char* containing filename.
62 Wed Apr 15 12:37:10 1998 Jeffrey A Law (law@cygnus.com)
64 * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing if not optimizing.
66 Wed Apr 15 12:10:18 1998 Michael Meissner <meissner@cygnus.com>
68 * Makefile.in (gen{config,flags,codes,emit}): Link in host print-rtl.o.
69 (gen{extract,peep,opinit,output}): Ditto.
71 * gen{attr,codes,config,emit,output}.c (insn_attr_name): Provide a
72 global definition so print-rtl.o can be linked in.
73 * gen{peep,recog}.c (insn_attr_name): Ditto.
75 Tue Apr 14 07:30:57 1998 K. Richard Pixley <rich@kyoto.noir.com>
77 * fixincludes: discard empty C++ comments, as found in sys/time.h
80 Wed Apr 15 10:47:21 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
82 * config/m68k/m68k.md (adddi3, subdi3): Optimize for constant
85 Wed Apr 15 01:21:21 1998 Jeffrey A Law (law@cygnus.com)
87 * emit-rtl.c (operand_subword): Rework slightly to avoid
88 bogus warning from previous change.
90 Tue Apr 14 23:39:13 1998 Richard Henderson <rth@cygnus.com>
92 * alpha.md: Revert Oct 27 change, as it is superceeded by Kenner's
93 Nov 8 find_replacement change. Move decls of get_unaligned_address
96 Tue Apr 14 22:00:39 1998 John Carr <jfc@mit.edu>
98 * function.c (assign_parms): Initialize unsignedp before passing
99 its pointer to promote_mode.
101 * genattrtab.c (check_attr_test): Handle MATCH_INSN like MATCH_OPERAND.
102 (write_test_expr): Allow MATCH_INSN.
104 Tue Apr 14 21:57:57 1998 Paul Eggert <eggert@twinsun.com>
106 * install.texi: Update section on warnings that can be safely ignored.
108 Tue Apr 14 14:55:16 1998 Jim Wilson <wilson@cygnus.com>
110 * mips.md (reload_outdi): Change the scratch mode from DImode to
111 TImode. New variable scratch, used instead of operand[2] in template.
112 Add code for MIPS16 HILO_REGNUM case where output reg is not M16_REG_P.
114 Tue Apr 14 16:19:03 1998 Michael Meissner <meissner@cygnus.com>
116 * expr.c (MOVE_RATIO): Set to 3 if optimizing for space.
118 Tue Apr 14 11:31:28 1998 Krister Walfridsson <cato@df.lth.se>
120 * i386/bsd386.h (ASM_OUTPUT_ALIGN): Redefine.
122 Tue Apr 14 09:02:32 1998 Jeffrey A Law (law@cygnus.com)
124 * svr4.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
125 (ASM_FINISH_DECLARE_OBJECT): Likewise.
127 * Idea and part of the patch from HJ.
128 * Makefile.in: auto-host.h renamed from auto-config.h. All references
130 (distclean): Remove auto-build.h too.
131 * configure.in: Rename host autoconf generated file to auto-host.h.
132 If host != build, then run autoconf to generate auto-build.h for
133 the build machine and include it in build_xm_files.
134 Check for wait.h and sys/wait.h.
136 * combine.c (simplify_rtx, case TRUNCATE): Respect value of
137 TRULY_NOOP_TRUNCATION.
139 Mon Apr 13 11:31:49 1998 Jason Merrill <jason@yorick.cygnus.com>
141 * tree.h (BINFO_OFFSET_ZEROP): Use integer_zerop.
143 Sun Apr 12 20:55:32 1998 Catherine Moore <clm@cygnus.com>
145 * invoke.texi (ld options) Include memset requirements
146 for options -nodstdlib and -nodefaultlibs.
148 1998-04-12 Paul Eggert <eggert@twinsun.com>
150 This change is from an idea suggested by Arthur David Olson.
152 * c-common.c (decl_attributes, record_function_format,
153 check_format_info, init_function_format_info):
154 Add support for strftime format checking.
155 (enum format_type): New type.
156 (record_function_format): Now static, and takes value of type
157 enum format_type instead of int.
158 (time_char_table): New constant.
159 (struct function_format_info): format_type member renamed from is_scan.
160 (check_format_info): Use `warning' rather than sprintf followed by
161 `warning', to avoid mishandling `%' in warnings.
162 Change `pedwarn' to `warning', since these warnings do not necessarily
163 mean the program does not conform to the C Standard, as the code
164 need not be executed.
166 * c-tree.h (record_function_format): Remove decl; no longer extern.
168 * extend.texi: Add documentation for strftime format checking.
170 Sun Apr 12 20:23:03 1998 Jeffrey A Law (law@cygnus.com)
172 * mips/ecoffl.h: Do not include mips.h.
173 * mips/elf.h: Likewise.
175 * configure.in (mips-*-ecoff): Do not mention mips/mips.h in tm_files.
176 * mips/ecoff.h: Include "mips/mips.h".
178 Sat Apr 11 22:42:54 PDT 1998 Jeff Law (law@cygnus.com)
180 * version.c: Bump for snapshot.
182 Sat Apr 11 01:24:28 1998 Jeffrey A Law (law@cygnus.com)
184 * cse.c (count_reg_usage): Correctly handle REG_NONNEG notes.
185 (delete_trivially_dead_insns): Renamed from delete_dead_from_cse.
186 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns instead of delete_dead_from_cse. Also call delete_trivially_dead_insns
187 between loop optimization passes.
188 * rtl.h: Updated appropriately.
190 Fri Apr 10 22:28:32 1998 Jeffrey A Law (law@cygnus.com)
192 Reinstall this patch from Jason.
193 * function.c (push_function_context_to): Don't call init_emit.
195 Fri Apr 10 13:40:20 1998 Nick Clifton <nickc@cygnus.com>
197 * rtl.c (read_skip_spaces): Prevent infinite loops upon
198 encountering unterminated comments.
200 Fri Apr 10 10:43:41 1998 Jeffrey A Law (law@cygnus.com)
202 * emit-rtl.c (operand_subword): Properly handle CONST_INTs for
205 * configure.in: Handle --with-fast-fixincludes.
206 (fixincludes): If --with-fast-fixincludes, then use a different
207 fixincludes program by default.
208 * Makefile.in (fixinc.sh): New rule.
210 Fri Apr 10 00:36:31 1998 H.J. Lu (hjl@gnu.org)
212 * i386.md (movqi+1): Handle invalid QI register.
213 (movsf_push-1): Likewise.
215 Thu Apr 9 16:53:59 1998 Nick Clifton <nickc@cygnus.com>
217 * config/m32r/m32r.c: call_address_operand(): Only accept symbolic
219 symbolic_memort_operand(), call32_operand(), int8_operand(),
220 int16_operand(), uint24_operand(), reg_or_int8_operand(): Removed.
222 uint16_operand(): Made static.
224 Thu Apr 9 01:43:04 1998 Jeffrey A Law (law@cygnus.com)
226 * calls.c (expand_call): Fix typo.
228 Thu Apr 9 00:18:44 1998 Dave Brolley (brolley@cygnus.com)
230 * c-lex.c (finput): New global.
231 (init_parse): Always included. Handle !USE_CPPLIB using
232 code originally in compile_file.
233 (finish_parse): Update for CPPLIB.
234 * toplev.c (init_parse, finish_parse): Declare.
235 (finput): Delete variable. Now in front-ends.
236 (compile_file): Remove code which is now handled by init_parse
237 which is unconditionally called. Similarly for finish_parse.
239 Wed Apr 8 23:13:50 1998 Gavin Koch <gavin@cygnus.com>
241 * config/mips/r3900.h (ASM_OUTPUT_DEF,SUPPORTS_WEAK,
242 ASM_WEAKEN_LABEL): Add.
244 Wed Apr 8 18:21:30 1998 Richard Henderson <rth@cygnus.com>
246 * alpha/crtbegin.asm, alpha/crtend.asm, alpha/t-crtb: New files.
247 * configure.in (alpha-*-linux*): Use them.
249 Fri Apr 3 17:02:13 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
251 * tree.def (EXPR_WITH_FILE_LOCATION): New tree node definition.
252 * tree.h (EXPR_WFL_{NODE,FILENAME,FILENAME_NODE,LINENO,
253 COLNO,LINECOL,SET_LINECOL,EMIT_LINE_NOTE}): New macros.
254 (build_expr_wfl): New prototype declaration.
255 * tree.c (build_expr_wfl): New function, to build
256 EXPR_WITH_FILE_LOCATION nodes.
257 (copy_node): Don't zero TREE_CHAIN if copying a
258 EXPR_WITH_FILE_LOCATION node.
259 * print-tree.c (print_node): Handle EXPR_WITH_FILE_LOCATION.
260 * expr.c (expand_expr): Handle EXPR_WITH_FILE_LOCATION.
262 Wed Apr 8 12:51:19 1998 Jeffrey A Law (law@cygnus.com)
264 * configure.in (v850): Use t-v850.
265 (ix86-wrs-vxworks): Recognize 786 just like other x86 configurations.
267 * protoize.c (creat, read, write): Do not declare.
269 * jump.c (mark_jump_label): Record REG_LABEL notes for insns which
270 refer to the CODE_LABEL before a dispatch table.
272 * invoke.texi: Add ARC options.
274 * gcc.c (proces_command): Improve error message for -o with
277 * i386/x-cygwin32 (CLIB): Link in advapi32.
279 * alpha.h (ASM_IDENTIFY_GCC): Define to nothing.
280 (ASM_IDENTIFY_LANGUAGE): Likewise.
282 * i386.md (movqi recognizer): Don't perfom byte increment into
285 * configure.in (x86-dg-dgux): Run fixinc.dgux.
287 * i370.h: Fix typo in GEN_INT changes.
289 * bitmap.c (bitmap_element_allocate): Use "void" for arglist instead
290 of an empty arglist in prototype.
292 * Makefile.in: Remove bytecode crud that crept back in after the
295 1998-04-08 Brendan Kehoe <brendan@cygnus.com>
297 * c-lex.h (is_class_name): Fix arg type to be tree, not void.
298 (make_pointer_declarator, reinit_parse_for_function): Fix typo.
300 Wed Apr 8 06:16:45 1998 Richard Earnshaw (rearnsha@arm.com)
302 * arm.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
304 Wed Apr 8 00:44:18 1998 Bernd Schmidt (crux@pool.informatik.rwth-aachen.de>
306 * c-lex.c (is_class_name): Delete declaration.
307 (whitespace_cr): Make static and add prototype.
308 * c-lex.h (make_pointer_declarator, reinit_parse_for_function,
309 yylex, get_directive_line): Turn declarations into prototypes.
310 (position_after_whitespace, check_newline, yyerror,, is_class_name,
311 forget_protocol_qualifiers, remember_protocol_qualifiers): Add
313 * genattr.c (extend_range, write_upcase, gen_attr, write_units): Add
315 * gencodes.c (gen_insn): Add prototype.
316 * genconfig.c (walk_insn, gen_insn, gen_expand, gen_split,
317 gen_peephole): Add prototypes.
318 * genflags.c (num_operands, gen_proto, gen_nonproto, gen_insn): Add
320 * gengenrtl.c (type_from_format, accessor_from_format, special_rtx,
321 special_format, find_formats, gendecl, genmacro, gendef, genlegend,
322 genheader, gencode): Add prototypes.
323 * genopinit.c (gen_insn): Add prototype.
324 * genoutput.c (output_prologue, output_epilogue, scan_operands,
325 process_template, validate_insn_alternatives, gen_insn, gen_peephole,
326 gen_expand, gen_split, n_occurrences): Add prototypes.
327 * genpeep.c (gen_peephole): Add prototype.
328 * loop.c (find_and_verify_loops, mark_loop_jump, prescan_loop,
329 reg_in_basic_block_p, consec_sets_invariant_p, libcall_other_reg,
330 labels_in_range_p, count_loop_regs_set, note_addr_stored,
331 loop_reg_used_before_p, scan_loop, replace_call_address,
332 skip_consec_insns, libcall_benefit, ignore_some_movables,
333 force_movables, combine_movables, rtx_equal_for_loop_p, move_movables,
334 strength_reduce, valid_initial_value_p, find_mem_givs, record_biv,
335 check_final_value, record_giv, update_giv_derive, basic_induction_var,
336 simplify_giv_expr, general_induction_var, consec_sets_giv,
337 check_dbra_loop, express_from, combine_givs_p, combine_givs,
338 product_cheap_p, maybe_eliminate_biv, maybe_eliminate_biv_1,
339 last_use_this_basic_block, record_initial, update_reg_last_use,
340 iteration_info, analyze_loop_iterations, insert_bct,
341 instrument_loop_bct, indirect_jump_in_function_p): Turn declarations
344 Tue Apr 7 21:48:52 1998 Jeffrey A Law (law@cygnus.com)
346 * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
348 1998-04-07 Ken Raeburn <raeburn@cygnus.com>
350 * config/mips/mips.c (siginfo): Deleted.
351 (override_options): Don't install SIGINFO signal handler.
353 Tue Apr 7 11:58:04 1998 Jim Wilson <wilson@cygnus.com>
355 * loop.c (check_dbra_loop): When normalize comparison_val, add check
356 to verify it is non-negative.
358 Tue Apr 7 02:01:47 1998 Richard Henderson <rth@cygnus.com>
360 * alpha.c (alpha_expand_block_move): Correctly collect block offsets.
361 (alpha_expand_block_clear): Likewise.
363 Mon Apr 6 23:36:01 1998 Richard Henderson <rth@cygnus.com>
365 * tree.h (sizetype_tab): Fix previous change for K&R.
367 Mon Apr 6 22:23:29 PDT 1998 Jeff Law (law@cygnus.com)
369 * version.c: Bump for snapshot.
371 Mon Apr 6 23:16:10 1998 Richard Earnshaw (rearnsha@arm.com)
373 * configure.in (sparc-*-solaris2*): Add xm-siglist.h to xm_file.
374 Add USG and POSIX to xm_defines.
376 Mon Apr 6 21:49:57 1998 Bob Manson <manson@charmed.cygnus.com>
378 * gcc.c: Add linker spec.
379 (link_command_spec): Use %(linker) instead of ld.
380 (main): If collect2 is requested as the linker, see if it exists;
381 if not, use ld instead.
383 * Makefile.in (USE_COLLECT2): It's named collect2 now, not ld.
385 (install-collect2): Install as collect2, not ld.
387 * configure.in(will_use_collect2): It's named collect2 now.
389 * collect2: Remove checks to see if we were invoked recursively.
390 (collect_execute): Use _spawnvp under cygwin32.
392 Mon Apr 6 17:23:41 1998 Jim Wilson <wilson@cygnus.com>
394 * haifa-sched.c (build_control_flow): Set unreachable for block whose
395 only predecessor is itself.
397 Mon Apr 6 16:08:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
399 * c-parse.in: Include system.h, and remove stuff now made redundant.
402 * protoize.c: Likewise. Properly check for cpp stringification.
404 * Makefile.in (c-parse.o, cccp.o, cexp.o, protoize.o, unprotoize.o):
407 * objc/Make-lang.in (objc-parse.o): Likewise.
409 Mon Apr 6 14:59:58 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
411 * gansidecl.h: Check if compiler supports __attribute__. Provide
412 definitions for ATTRIBUTE_UNUSED and ATTRIBUTE_PRINTF using
413 __attribute__ when its available. Also provide definitions for
414 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2 and ATTRIBUTE_PRINTF_3 in
415 terms of ATTRIBUTE_PRINTF.
417 * genoutput.c (process_template): Use ATTRIBUTE_UNUSED in place
420 Mon Apr 6 07:17:52 1998 Catherine Moore <clm@cygnus.com>
422 * combine.c (can_combine_p): Include successor in volatile test.
424 Mon Apr 6 14:16:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
426 * sh.h (CASE_VECTOR_SHORTEN_MODE): Fix logic when to set
429 Mon Apr 6 02:03:29 1998 Jeffrey A Law (law@cygnus.com)
431 * objc/objc-act.c (encode_aggregate_within): Avoid GNU extensions
432 in prototype and definition.
434 Mon Apr 6 00:48:56 PDT 1998 Jeff Law (law@cygnus.com)
436 * version.c: Bump for snapshot.
438 Mon Apr 6 00:08:50 1998 Richard Henderson <rth@cygnus.com>
440 * alpha.c (alpha_expand_block_clear): Add missing offset arg to
441 alpha_expand_unaligned_store_words.
443 Sun Apr 5 21:31:24 1998 John Wehle (john@feith.com)
445 * i386.md (movsf_push, movsf_mem): Remove.
446 (movsf_push): Rename from movsf_push_nomove and move in front of
447 movsf. Use nonmemory_operand predicate and don't bother checking
449 (movsf_push_memory): New pattern.
450 (movsf): Don't bother checking for push_operand. If TARGET_MOVE and
451 both operands refer to memory then force operand[1] into a register.
452 (movsf_normal): Change to unnamed pattern.
453 Likewise for movdf, movxf, and friends.
455 Sun Apr 5 18:45:51 PDT 1998 Jeff Law (law@cygnus.com)
457 * version.c: Bump for snapshot.
459 Sun Apr 5 16:31:10 1998 Richard Henderson <rth@cygnus.com>
461 * configure.in (alpha-dec-osf*): Match osf1.3 correctly.
463 Sun Apr 5 16:53:37 1998 Don Bowman <don@pixsci.com>
465 * configure.in (mips-wrs-vxworks): New target.
467 Sat Apr 4 23:34:32 PST 1998 Jeff Law (law@cygnus.com)
469 * expmed.c (synth_mult): The value -1, has no zeros, so it can
470 never have the form ...011.
472 * version.c: Bump for snapshot.
474 Sat Apr 4 20:16:46 1998 Richard Henderson <rth@cygnus.com>
476 * i386.c (asm_output_function_prefix, load_pic_register):
477 Use ASM_GENERATE_INTERNAL_LABEL properly.
478 (output_pic_addr_const): Recognize %X to supress any PIC sym suffix.
479 (print_operand): Ignore it.
480 (load_pic_register): Use it for the got load call.
481 * i386.md (prologue_set_got, prologue_get_pc): Likewise.
482 (prologue_get_pc_and_set_got): Likewise.
483 * i386.h: Update print_operand docs.
485 Sat Apr 4 19:08:37 1998 Richard Henderson <rth@cygnus.com>
487 * i386.md (ffssi, ffshi): Rewrite as define_expands.
488 (ffssi_1, ffshi_1): New (unspec [] 5) support patterns.
489 * i386.c (notice_update_cc): Recognize unspec 5.
491 Sat Apr 4 18:07:16 1998 David Mosberger-Tang (davidm@mostang.com)
493 * alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Accept '(' for s/sv/svi.
494 * alpha.c (print_operand): Handle it.
495 * alpha.md (fix_truncsfdi2): Use it. Add earlyclobber pattern
497 (fix_truncdfdi2): Likewise.
499 Sat Apr 4 17:42:05 1998 Richard Henderson <rth@cygnus.com>
501 * tree.h (sizetype_tab[2], sbitsizetype, ubitsizetype): Merge all
502 of these into a single struct, with additional [us]sizetype entries.
503 * stor-layout.c (set_sizetype): Initialize [us]sizetype.
504 * fold-const.c (size_int_wide): Don't rely on sizetype_tab being
507 Sat Apr 4 17:04:41 1998 Richard Henderson <rth@cygnus.com>
509 * configure.in (alpha-*-linux-*): Undo tm_file changes from gcc2 merge.
511 Sat Apr 4 13:50:01 1998 Richard Henderson <rth@cygnus.com>
513 * haifa-sched.c (split_block_insns): Don't supress insn splitting
514 on subsequent passes.
516 * alpha.c (hard_fp_register_operand): New function.
517 * alpha.h (PREDICATE_CODES): Add it.
518 * alpha.md (extendsidi2): Kill bogus f<-f cvtql+cvtlq case. Add an
519 f<-m case and accompanying define_split.
520 (trapb): Use a unique unspec_volatile number.
522 Sat Apr 4 13:32:08 1998 Richard Henderson <rth@cygnus.com>
524 * configure.in (alpha-*-linux-gnu*): Undo Feb 3 change brought in
527 Sat Apr 4 10:23:41 1998 Jeffrey A Law (law@cygnus.com)
529 * Check in merge from gcc2. See ChangeLog.11 and ChangeLog.12
532 * haifa-sched.c: Mirror recent changes from gcc2.
534 Fri Apr 3 00:17:01 1998 Jeffrey A Law (law@cygnus.com)
536 * Makefile.in (insn*.o): Depend on system.h.
538 * pa.c (output_global_address): Initialize base.
539 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Initialize index.
541 1998-04-03 Mike Stump <mrs@wrs.com>
543 * gthr.h: Support systems that don't have weak, but have threads.
544 * configure.in (*wrs-vxworks*): Use VxWorks threads by default.
545 * gthr-vxworks.h: New file.
546 * objc/thr-vxworks.h: Dummy file from thr-single.c for now.
548 Thu Apr 2 18:00:52 1998 Jim Wilson <wilson@cygnus.com>
550 * i386.md (movqi+1): Change alternative 1 from *r/r to *r/*rn.
552 1998-04-02 Vladimir N. Makarov <vmakarov@cygnus.com>
554 * ginclude/va-i960.h (va_end): Change void * to void.
556 Thu Apr 2 13:51:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
558 * Makefile.in (choose-temp.o): Depend on system.h.
560 * choose-temp.c: Include system.h when IN_GCC.
562 Thu Apr 2 02:37:07 1998 Joern Rennecke (amylaar@cygnus.co.uk)
563 Richard Henderson <rth@cygnus.com>
565 * reload.c (find_reloads_address): Try LEGITIMIZE_RELOAD_ADDRESS.
566 (move_replacements): New function.
567 * reload.h: Prototype it.
569 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): New definition.
571 Thu Apr 2 01:01:34 1998 Richard Henderson <rth@cygnus.com>
573 * configure (alpha-*-linuxecoff, alpha-*-linux-gnulibc1):
576 * emit-rtl.c (gen_lowpart_common): Skip count by HARD_REGNO_NREGS.
577 (gen_highpart): Likewise.
578 * final.c (alter_subreg): Allow the target to hook by-mode subreg
579 hard register number changes.
581 Wed Apr 1 22:26:22 1998 Jeffrey A Law (law@cygnus.com)
583 * fold-const.c optimze_bit_field_compare): Initialize rnbitpos,
584 rnbitsize, rnmode and rinner.
585 (make_range): Initialize type.
586 (fold): Initialize arg0, arg1 and varop.
588 * function.c (instantiate_virtual_regs_1): Initialize offset, regnoi
590 (expand_function_start): Initialize last_ptr.
592 * stor-layout.c (layout_record): Initialize desired_align.
593 (get_best_mode): Initialize unit.
595 * tree.c (copy_node): Initialize length.
597 * c-lex.c (yylex): Initialize traditional_type, ansi_type and type.
599 * caller-save.c (insert_save_restore): Initialize pat, code and
602 * emit-rtl.c (push_to_sequence): Initialize top.
603 (push_topmost_sequence): Likewise.
605 * genattrtab.c (simplify_by_exploding): Initialize defval.
607 * profile.c (branch_prob): Initialize dest.
609 * rtl.h (note_stores): Remove duplicate prototype.
610 (GEN_INT): Re-instate cast of second arg to HOST_WIDE_INT.
612 * cplus-dem.c (gnu_special): Don't get confused by .<digits>
613 strings that are not actually lengths.
615 * genattrtab.c: Make generated file use system.h, instead of
616 including stdio.h, etc directly.
617 * genextract.c, genopinit.c, genoutput.c: Likewise.
618 * genpeep.c, genrecog.c: Likewise
620 * genoutput.c (process_template): Mark operands in the generated
621 function as potentially unused if compiling with GNU CC.
623 * i386/freebsd-elf.h (CPP_PREDEFINES): Update from FreeBSD folks.
625 * pa.md (reload peepholes): Remove unused variable "mode".
627 Wed Apr 1 17:06:19 1998 Nick Clifton <nickc@cygnus.com>
629 * config/arm/thumb.h: Add super interworking support.
630 * config/arm/thumb.c: Add super interworking support.
631 * config/arm/thumb.md: Add super interworking support.
632 * config/arm/lib1funcs.asm: Add interworking support.
633 * config/arm/lib1thumb.asm: Add super interworking support.
634 * config/arm/t-semi: Add interworking support.
635 * config/arm/t-thumb: Add interworking support.
636 * config/arm/README-interworking: New file.
638 Wed Apr 1 14:38:10 1998 Jim Wilson <wilson@cygnus.com>
640 * config/mips/iris6.h (MD_EXEC_PREFIX): Set to /usr/bin/.
641 (MD_STARTFILE_PREFIX): Unset.
643 1998-04-01 Mark Mitchell <mmitchell@usa.net>
645 * varasm.c (make_decl_rtl): Update the DECL_ASSEMBLER_NAME for a
646 entity in a local scope.
648 * fold-const.c (fold): Call truthvalue_conversion for values which
649 are folded to boolean type.
651 Wed Apr 1 06:09:53 1998 Jeffrey A Law (law@cygnus.com)
653 * 1750a.md, arm.c, clipper.c, clipper.md: Use GEN_INT consistently.
654 * convex.h, dsp16xx.c, fx80.md, gmicro.c, gmicro.md: Likewise.
655 * i370.h, i370.md, i860.c, i860.h, i860.md, i960.c: Likewise.
656 * i960.h, i960.md, m32r.md, m68k.md, m68kv4.h, m88k.c: Likewise.
657 * m88k.md, ns32k.c, ns32k.md, pdp11.c, pdp11.h, pdp11.md: Likewise.
658 * pyr.c, pyr.h, pyr.md, romp.c, romp.h, romp.md: Likewise.
659 * rs6000.md, sparc.c, sparc.h, sparc.md, spur.c, spur.md: Likewise.
660 * tahoe.md, vax.h, vax.md, we32k.c, we32k.h, we32k.md: Likewise.
663 Wed Apr 1 08:33:44 1998 Manfred Hollstein <manfred@s-direktnet.de>
665 * fixincludes (limits.h): Fix nested comments in Motorola's
666 limits.h and sys/limits.h.
668 Tue Mar 31 16:57:33 1998 Jim Wilson <wilson@cygnus.com>
670 * alpha.c (alpha_expand_unaligned_load): Use tgt instead of addr
671 as dest of expand_binop call.
673 * alpha.md (extzv): Correct check for valid operand[2] values.
675 * profile.c (branch_prob): Add code to recognize HPPA tablejump entry
678 * toplev.c (rest_of__compilation): Call init_recog_no_volatile at end.
680 Mon Mar 30 13:11:05 1998 Stan Cox <scox@cygnus.com>
682 * libgcc2.c: (__main, __do_global_dtors, __do_global_ctors):
683 For __CYGWIN32__ use the versions in winsup/dcrt0.cc.
685 * gcc.c, cccp.c, cpplib.c, collect2.c (GET_ENVIRONMENT): Added.
686 cygwin32 can override this to allow both unix and win32 style PATHs.
688 * i386/xm-cygwin32.h (GET_ENVIRONMENT): Defined to allow win32
689 style environment paths.
691 Mon Mar 30 14:43:20 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
693 * Makefile.in (cppalloc.o, cpperror.o, cppexp.o, cpphash.o,
694 cpplib.o, cppmain.o, fix-header.o, gcov.o, gen-protos.o,
695 gengenrtl.o, halfpic.o, hash.o, scan-decls.o, scan.o): Depend on
698 * cpphash.c: Include config.h.
699 * cppalloc.c: Include system.h. Add parameters to various
701 * cpperror.c: Likewise.
702 * cppexp.c: Likewise.
703 * cpphash.c: Likewise.
704 * cpplib.c: Likewise.
705 * cppmain.c: Likewise.
706 * fix-header.c: Likewise.
708 * gen-protos.c: Likewise.
709 * gengenrtl.c: Likewise.
710 * halfpic.c: Likewise.
712 * scan-decls.c: Likewise.
715 Mon Mar 30 11:06:45 1998 Jim Wilson <wilson@cygnus.com>
717 * README.gnat: Add lang_print_xnode definition.
719 Mon Mar 30 11:12:24 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
721 * config/m68k/m68k.c (standard_68881_constant_p): Don't use
722 fmovecr on the 68060.
724 Mon Mar 30 00:21:03 1998 Jeffrey A Law (law@cygnus.com)
726 * genemit.c (DONE): Rework so that it works in the true arm if
727 an if-else conditional.
730 Sun Mar 29 12:45:23 1998 Jeffrey A Law (law@cygnus.com)
732 * rs6000.c: Do not include stdioh or ctype.h anymore.
734 * Makefile.in (c-typeck.o): Delete on expr.h, insn-codes.h and
736 (stor-layout.o): Likewise.
737 * c-typeck.c: Include rtl.h and expr.h.
738 * stor-layout.c: Likewise.
740 * cpplib.c (cpp_file_line_for_message): Delete unused parameter.
742 (do_sccs): Wrap in an SCCS_DIRECTIVE ifdef.
743 * fix-header.c (cpp_file_line_for_message): Delete unused paramter.
746 * collect2.c (is_in_list): Wrap inside COLLECT_EXPORT_LIST ifdef.
748 * local-alloc.c (reg_classes_overlap_p): Delete dead function.
750 * tree.h (lang_print_xnode): Provide prototype.
752 Sat Mar 28 23:50:44 PST 1998 Jeff Law (law@cygnus.com)
754 * version.c: Bump for snapshot.
756 Sun Mar 29 00:42:21 1998 Jeffrey A Law (law@cygnus.com)
758 * objc/sendmsg.c (__objc_block_forward): Add braces for return
759 value if INVISIBLE_STRUCT_RETURN.
761 * pa.c (arith_double_operand): Fix parens.
763 * haifa-sched.c (print_pattern): Correct arg to sprintf.
765 * Makefile.in (libgcc1.null): Make return type for __foo void.
767 Sat Mar 28 14:37:20 1998 Jeffrey A Law (law@cygnus.com)
769 * pa.h: Add declarations for many functions defined in pa.c.
771 * genpeep.c (main): Remove unused variable 'i' from the generated
774 * genemit.c (gen_expand): Do not emit "_done" or "_fail" labels.
775 (gen_split): Likewise.
776 (main): Rework generated definitions of DONE and FAIL so that they
777 no longer use gotos. Avoids warnings about unused labels.
779 * integrate.c (copy_rtx_and_substitute): Rework to avoid need for
780 unused "junk" variable.
782 * genattrtab.c (write_complex_function): Add a default case in
783 generated switch statement to keep -W -Wall quiet.
785 Sat Mar 28 10:47:21 1998 Nick Clifton <nickc@cygnus.com>
787 * invoke.texi: Document more ARM and Thumb command line options.
789 * config/arm/xm-thumb.h: New file.
791 Sat Mar 28 01:37:33 1998 Craig Burley <burley@gnu.ai.mit.edu>
793 * stmt.c (expand_expr_stmt): Must generate code for
794 statements within an expression (gcc's `({ ... )}')
795 even if -fsyntax-only.
797 Sat Mar 28 01:06:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
798 Jeffrey A Law (law@cygnus.com)
800 * basic-block.h (basic_block_computed_jump_target): Declare.
801 * flags.h: (current_function_has_computed_jump): Declare.
802 * flow.c: (basic_block_computed_jump_target): Define.
803 (flow_analysis): Allocate it. Set current_function_has_computed_jump
805 (find_basic_blocks): Set current_function_has_computed_jump and
806 elements of basic_block_computed_jump_target to 1 as appropriate.
807 * function.c: (current_function_has_computed_jump): Define.
808 * global.c (global_conflicts): Don't allocate pseudos into stack regs
809 at the start of a block that is reachable by a computed jump.
810 * reg-stack.c (stack_reg_life_analysis): If must restart, do so
812 (subst_stack_regs): Undo change from Sep 4 1997.
813 (uses_reg_or_mem): Now unused, deleted.
814 * stupid.c (stupid_life_analysis): Compute
815 current_function_has_computed_jump.
816 (stupid_find_reg): Don't allocate stack regs if the function has a
818 * haifa-sched.c (is_cfg_nonregular): Delete code to determine if
819 the current function has a computed jump. Use the global value
822 Sat Mar 28 00:21:37 1998 Jeffrey A Law (law@cygnus.com)
824 * i386/freebsd.h (CPP_PREDEFINES): Remove __386BSD__.
825 (DWARF2_UNWIND_INFO): Define to zero.
827 Fri Mar 27 16:04:49 1998 Michael Meissner <meissner@cygnus.com>
829 * gcc.c (set_std_prefix): Add declaration.
830 (process_command): If GCC_EXEC_PREFIX is set, remove /lib/gcc-lib/
831 suffix, and update the standard prefix prefix.c uses.
833 * prefix.c (std_prefix): New global to hold default prefix value.
834 (get_key_value): Change to use std_prefix instead of PREFIX.
835 (translate_name): Ditto.
836 (update_path): Ditto.
837 (get_key_value): Release allocated scratch storage.
838 (set_std_prefix): New function to reset the standard prefix.
840 Fri Mar 27 18:08:21 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
842 * sh.c (find_barrier): Fix calculations for alignment increase.
844 Fri Mar 27 08:56:52 1998 Manfred Hollstein <manfred@s-direktnet.de>
846 * Makefile.in (stmp-fixinc): If we're actually fixing include
847 files, copy gcc's assert.h into the fixed include dir.
848 * fixincludes (assert.h): Avoid any attempts to fix a probably
849 broken system specific assert.h file.
850 * fixproto (stdlib.h): Make sure, it'll contain a definition of
853 Fri Mar 27 00:49:46 1998 Jeffrey A Law (law@cygnus.com)
855 * regclass.c (reg_scan_mark_refs): Be more selective about
856 when we mark a register with REGNO_POINTER_FLAG.
858 Thu Mar 26 23:00:11 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
860 reload inheritance improvement:
861 * reload1.c (reg_reloaded_contents, reg_reloaded_insn):
862 Change meaning: index is now hard reg number.
863 (reg_reloaded_valid, reg_reloaded_dead): New variables.
864 (reload_spill_index): Content is now a hard reg number.
865 (reload_as_needed): Change to fit new variable meaning.
866 (forget_old_reloads_1, allocate_reload_reg): Likewise.
867 (choose_reload_regs, emit_reload_insns): Likewise.
869 Thu Mar 26 18:34:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
871 * regclass.c (record_reg_classes): '?' increases cost by two.
873 * reload.c (find_reloads): Double previous costs. Output
874 reloads cost one unit extra.
876 * reload1.c (eliminate_regs): Delete LOAD_EXTENDED_OP code that
877 boiled down to && ! 0.
879 * reload.c (find_equiv_reg): Also consider a goal offset from the
880 frame pointer to be constant.
882 Thu Mar 26 17:34:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
884 * sh.h (OPTIMIZATION_OPTIONS): Define.
886 Thu Mar 26 00:19:47 1998 Richard Henderson <rth@cygnus.com>
888 * combine.c (make_compound_operation): Simplify (subreg (*_extend) 0).
890 Wed Mar 25 23:53:11 1998 Jeffrey A Law (law@cygnus.com)
892 * pa.c (pa_adjust_cost): Avoid redundant calls to get_attr_type.
894 Wed Mar 25 13:40:48 1998 Jim Wilson <wilson@cygnus.com>
896 * c-common.c (check_format_info): Initialize type, is_type. New local
897 integral_format. Don't warn for 'L' when pedantic. Do warn for 'L'
898 when pedantic if used with integral format specifier.
900 Wed Mar 25 16:09:01 1998 Michael Meissner <meissner@cygnus.com>
902 * rs6000.h (FUNCTION_ARG_PADDING): Cast result to be enum
904 (function_arg_padding): Declare.
906 * rs6000.c: Include system.h.
907 (function_arg_padding): Change return type to int, cast enum's to
910 (From Kaveh R. Ghazi <ghazi@caip.rutgers.edu>)
911 * collect2.c (scan_prog_file): Add explicit braces to avoid
914 * dbxout.c (dbxout_type_fields): Add braces around empty body in
916 (dbxout_type): Likewise.
918 * rs6000.c (rs6000_override_options): Change type of `i', `j' and
919 `ptt_size' from int to size_t.
920 (rs6000_file_start): Likewise for `i'.
921 (rs6000_replace_regno): Add default case in enumeration switch.
922 (output_epilog): Remove unused variable `i'.
923 (rs6000_longcall_ref): Remove unused variables `len', `p', `reg1'
926 * rs6000.h (ADDITIONAL_REGISTER_NAMES): Add missing braces around
928 (get_issue_rate, non_logical_cint_operand): Add prototype.
929 (rs6000_output_load_toc_table): Ditto.
931 * rs6000.md (udivmodsi4): Add explicit braces to avoid ambiguous
934 Wed Mar 25 10:05:19 1998 Nick Clifton <nickc@cygnus.com>
936 * config/arm/thumb.c: New File. Support for ARM's Thumb
938 * config/arm/thumb.h: New File. Thumb definitions.
939 * config/arm/thumb.md: New File. Thumb machine description.
940 * config/arm/tcoff.h: New File. Thumb COFF support.
941 * config/arm/t-thumb: New File. Thumb makefile fragment.
942 * config/arm/lib1thumb.asm: New File. Thumb libgcc support functions.
944 * configure.in: Add Thumb-coff target.
945 * configure: Add Thumb-coff target.
946 * config.sub: Add Thumb-coff target.
948 Wed Mar 25 10:30:32 1998 Jim Wilson <wilson@cygnus.com>
950 * loop.c (scan_loop): Initialize move_insn_first to zero.
952 Wed Mar 25 01:06:49 1998 Joel Sherrill (joel@OARcorp.com)
954 * config/i386/go32-rtems.h: Defined TARGET_MEM_FUNCTIONS.
955 * config/i386/rtems.h: Likewise.
956 * config/i960/rtems.h: Likewise.
957 * config/m68k/rtems.h: Likewise.
958 * config/mips/rtems64.h: Likewise.
959 * config/pa/rtems.h: Likewise.
960 * config/rs6000/rtems.h: Likewise.
961 * config/sh/rtems.h: Likewise.
962 * config/sparc/rtems.h: Likewise.
964 Wed Mar 25 00:57:26 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
966 * pa.c (emit_move_sequence): If in reload, call find_replacement.
968 Tue Mar 24 10:44:11 1998 Nick Clifton <nickc@cygnus.com>
970 * Makefile.in (gcov$(exeext)): Support .exe extension to gcov.
972 * collect2.c (find_a_file): Add debugging.
973 (find_a_file): Test for win32 style absolute paths if
974 DIR_SERPARATOR is defined.
975 (prefix_from_string): Add debugging.
976 (main): Test for debug command line switch at start of program
978 (main): Use GET_ENVIRONMENT rather than getenv().
979 (prefix_from_env): Use GET_ENVIRONMENT.
981 1998-03-24 Mark Mitchell <mmitchell@usa.net>
983 * cplus-dem.c (optable): Add sizeof.
984 (demangle_template_value_parm): New function containing code
985 previously found in demangle_template.
986 (demangle_integral_value): New function which handles complicated
987 integral expressions.
988 (demangle_template): Use them.
990 Tue Mar 24 12:13:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
992 * Makefile.in (genconfig.o, genflags.o, gencodes.o, genemit.o,
993 genopinit.o, genrecog.o, genextract.o, genpeep.o, genattr.o,
994 genattrtab.o, genoutput.o): Depend on system.h.
996 * genattr.c: Include system.h. Add arguments to various function
997 prototypes. Remove redundant prototype of read_rtx().
998 * genattrtab.c: Likewise.
999 * gencodes.c: Likewise.
1000 * genconfig.c: Likewise.
1001 * genemit.c: Likewise.
1002 * genextract.c: Likewise.
1003 * genflags.c: Likewise.
1004 * genopinit.c: Likewise.
1005 * genoutput.c: Likewise.
1006 * genpeep.c: Likewise.
1007 * genrecog.c: Likewise.
1009 1998-03-24 Martin von Loewis <loewis@informatik.hu-berlin.de>
1011 * c-lang.c (lang_print_xnode): New function.
1012 * objc/objc-act.c (lang_print_xnode): Likewise.
1013 * print-tree.c (print_node): Call it
1015 Mon Mar 23 23:59:11 1998 H.J. Lu (hjl@gnu.org)
1017 * c-parse.in: Recognize protocol qualifiers in class
1018 definitions for objc.
1020 (yyerror): Remove redundant decl.
1021 (yyprint): Fix prototype.
1023 Mon Mar 23 23:49:47 1998 Jeffrey A Law (law@cygnus.com)
1025 * cse.c (rtx_cost): Only call CONST_COSTS if it is defined.
1027 * stmt.c (unroll_block_trees): Free block_vector if needed.
1029 Mon Mar 23 23:26:42 1998 Philippe De Muyter <phdm@macqel.be>
1031 * m68k/m68k.md (zero_extendqidi2, zero_extendhidi2): New patterns.
1032 (zero_extendsidi2): Avoid useless copy.
1033 (iordi_zext): New pattern.
1034 (iorsi_zexthi_ashl16): Pattern reworked to avoid "0" constraint for
1036 (iorsi_zext): New name for old unnamed pattern; indentation fixes.
1038 * m68k/m68k.md (ashldi_const): Allow shift count in range ]32,63].
1039 (ashldi3): Allow constant shift count in range ]32,63].
1040 (ashrdi_const, ashrid3, lshrdi_const, lshrdi3): Likewise.
1042 1998-03-22 Mark Mitchell <mmitchell@usa.net>
1044 * tree.h (IS_EXPR_CODE_CLASS): New macro.
1046 Mon Mar 23 23:18:48 1998 Jeffrey A Law (law@cygnus.com)
1048 * h8300.h (CONST_COSTS): Remove definition.
1049 (DEFAULT_RTX_COSTS): Define.
1051 Mon Mar 23 22:58:22 1998 Joel Sherrill (joel@OARcorp.com)
1053 * config/sh/rtems.h: Switched from ELF to COFF.
1055 Mon Mar 23 14:14:20 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1057 * freebsd.h (ASM_OUTPUT_ALIGN): Redefine.
1059 Sat Mar 21 23:52:56 PST 1998 Jeff Law (law@cygnus.com)
1061 * version.c: Bump for snapshot.
1063 Sun Mar 22 00:50:42 1998 Nick Clifton <nickc@cygnus.com>
1064 Geoff Noer <noer@cygnus.com>
1066 * Makefile.in: Various fixes for building cygwin32 native toolchains.
1068 * objc/Makefile.in: Various fixes for building cygwin32 native toolchains.
1069 * objc/Make-lang.in: Likewise.
1071 * config/i386/xm-cygwin32.h (PATH_SEPARATOR): Set to a semi-colon.
1073 Sun Mar 22 00:21:46 1998 R. Ganesan <rganesan@novell.com>
1075 * configure.in: Handle with-PACKAGE=no correctly
1077 Fri Mar 20 17:36:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1079 * Makefile.in (alias.o, bitmap.o, c-aux-info.o, c-common.o,
1080 c-decl.o, c-iterate.o, c-lang.o, c-lex.o, c-pragma.o, c-typeck.o,
1081 caller-save.o, calls.o, collect2.o, combine.o, cse.o, dbxout.o,
1082 dwarf2out.o, dwarfout.o, emit-rtl.o, except.o, explow.o, expmed.o,
1083 expr.o, final.o, flow.o, function.o, getpwd.o, global.o,
1084 integrate.o, jump.o, local-alloc.o, loop.o, optabs.o, pexecute.o,
1085 prefix.o, print-rtl.o, print-tree.o, profile.o, real.o, recog.o,
1086 reg-stack.o, regclass.o, regmove.o, reload.o, reload1.o, reorg.o,
1087 rtl.o, rtlanal.o, sdbout.o, stmt.o, stor-layout.o, stupid.o,
1088 tlink.o, toplev.o, tree.o, unroll.o, varasm.o, xcoffout.o): Depend
1091 * alias.c, bitmap.c, c-aux-info.c, c-common.c, c-decl.c,
1092 c-iterate.c, c-lang.c, c-lex.c, c-pragma.c, c-typeck.c,
1093 caller-save.c, calls.c, collect2.c, combine.c, cse.c, dbxout.c,
1094 dwarf2out.c, dwarfout.c, emit-rtl.c, except.c, explow.c, expmed.c,
1095 expr.c, final.c, flow.c, function.c, gcc.c, getpwd.c, global.c,
1096 integrate.c, jump.c, local-alloc.c, loop.c, optabs.c, pexecute.c,
1097 prefix.c, print-rtl.c, print-tree.c, profile.c, real.c, recog.c,
1098 reg-stack.c, regclass.c, regmove.c, reload.c, reload1.c, reorg.c,
1099 rtl.c, rtlanal.c, sched.c, sdbout.c, stmt.c, stor-layout.c,
1100 stupid.c, tlink.c, toplev.c, tree.c, unroll.c, varasm.c,
1101 xcoffout.c: Include system.h. Organize include ordering so
1102 that stdarg/varargs comes before other system headers. Remove
1103 spurious casts of functions assured of a prototype in system.h.
1105 Fri Mar 20 11:19:40 1998 Stan Cox <scox@equinox.cygnus.com>
1107 * reg-stack.c (pop_stack): Define. Pops any register on the
1108 regstack and adjusts regstack.
1109 (compare_for_stack_reg): Use pop_stack.
1111 Thu Mar 19 23:51:01 1998 Jeffrey A Law (law@cygnus.com)
1113 * configure.in (hppa1.0-hp-hpux10): Handle threads for this
1116 Thu Mar 19 20:30:31 1998 Philippe De Muyter <phdm@macqel.be>
1118 * libgcc2.c (exit): Do not call __bb_exit_func if HAVE_ATEXIT.
1120 * fold-const.c (fold): Replace sign-extension of a zero extended
1121 value by a single zero extension.
1123 Thu Mar 19 00:58:07 1998 Jason Merrill <jason@yorick.cygnus.com>
1125 * except.c (init_eh): Do nothing.
1126 (save_eh_status): Call init_eh_for_function, not init_eh.
1127 * function.c (push_function_context_to): Don't call init_emit.
1129 Thu Mar 19 13:39:52 1998 Michael Meissner <meissner@cygnus.com>
1131 * rs6000/sysv4.h (RELATIVE_PREFIX_NOT_LINKDIR): Undef for System V
1134 Thu Mar 19 10:10:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1136 * final.c (shorten_branches): Add parentheses around +/- in
1139 * flow.c (life_analysis): Wrap variable `i' in macro ELIMINABLE_REGS.
1141 Thu Mar 19 09:15:17 1998 Manfred Hollstein <manfred@s-direktnet.de>
1143 * regclass.c (memory_move_secondary_cost): Wrap uses of
1144 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS
1147 Thu Mar 19 09:06:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
1149 * config/m68k/m68k.md (addqi3): Fix typo gen_INT vs. GEN_INT.
1151 * flow.c (life_analysis): #include <sys/types.h> to make sure
1153 * cplus-dem.c (demangle_function_name): Likewise.
1155 Thu Mar 19 09:00:01 1998 Manfred Hollstein <manfred@s-direktnet.de>
1157 * final.c (insn_noperands): Change type to unsigned int.
1158 (final_scan_insn): Likewise for noperands;
1159 properly check operand number boundaries.
1161 Wed Mar 18 16:20:30 1998 Richard Henderson <rth@cygnus.com>
1163 * alpha.md (extzv): Don't reject register operands. Fix
1166 Wed Mar 18 16:14:23 1998 Richard Henderson <rth@cygnus.com>
1168 * dbxout.c (dbxout_function_end): Fix last change. The correct
1169 predicate is ASM_OUTPUT_SECTION_NAME.
1171 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
1173 * sh.md (ashlsi_c-1): Delete 3rd argument to gen_ashlsi_c.
1174 (ashlsi): Use match_dup 1 instead of match_operand 2.
1176 Wed Mar 18 13:46:07 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1178 * fold-const.c (operand_equal_for_comparison_p): See if equal
1179 when nop conversions are removed.
1181 Wed Mar 18 13:42:01 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1183 * expr.c (expand_expr, case COND_EXPR): If have conditional move,
1184 don't use ORIGINAL_TARGET unless REG.
1186 Wed Mar 18 16:53:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1188 * netbsd.h (ASM_OUTPUT_ALIGN): Redefine.
1190 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
1192 * loop.c (struct movable): New field move_insn_first.
1193 (scan_loop): In consec sets code, set it. Clear it otherwise.
1194 (move_movables): In consec sets code, use it. Copy REG_NOTES from
1195 p to i1 only if i1 does not have REG_NOTES. Delete obsolete ifdefed
1198 Wed Mar 18 09:52:56 1998 Richard Henderson <rth@cygnus.com>
1200 * rtl.c (read_rtx): Fall back on homebrew atoll if HOST_WIDE_INT
1201 is large, and the system doesn't provide atoll or atoq.
1204 * alpha/xm-vms.h (HAVE_ATOLL): Define.
1205 Reported by Klaus Kaempf <kkaempf@progis.de>.
1207 Wed Mar 18 09:56:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1209 * c-lang.c (finish_file): Wrap variable `void_list_node' with macro
1210 test !ASM_OUTPUT_CONSTRUCTOR || !ASM_OUTPUT_DESTRUCTOR.
1212 * calls.c (emit_call_1): Wrap variable `already_popped' with macro
1213 test !ACCUMULATE_OUTGOING_ARGS.
1215 * collect2.c (write_c_file_glob): Wrap function definition in
1216 macro test !LD_INIT_SWITCH.
1218 * combine.c (try_combine): Wrap variables `cc_use' and
1219 `compare_mode' in macro test EXTRA_CC_MODES.
1221 * cpplib.c (do_ident): Remove unused variable `len'.
1222 (skip_if_group): Remove unused variables `at_beg_of_line' and
1224 (cpp_get_token): Remove unused variable `dummy'.
1226 * dbxout.c (scope_labelno): Move static variable definition inside
1227 the one function scope where it is used.
1228 (dbxout_function_end): Wrap prototype and definition in
1229 macro test !NO_DBX_FUNCTION_END.
1231 * dwarf2out.c (add_subscript_info): Wrap variable `dimension_number'
1232 in macro test !MIPS_DEBUGGING_INFO.
1234 * expr.c (expand_builtin_setjmp): Move declaration of variable `i'
1235 into the scope where it is used. Wrap empty else-statement body
1238 * fix-header.c: Fix typo in comment.
1239 (inf_skip_spaces): Cast results of INF_UNGET to (void).
1240 (check_protection, main): Likewise.
1242 * flow.c (find_basic_blocks_1): Remove dangling comment text.
1244 * function.c (contains): Wrap prototype and definition in macro
1245 test HAVE_prologue || HAVE_epilogue.
1246 (fixup_var_refs_1): Remove unused variable `width'.
1248 * gen-protos.c (main): Remove unused variable `optr'.
1250 * haifa-sched.c (debug_control_flow): Remove unused variable `j'.
1252 * libgcc2.c (__udiv_w_sdiv): Provide dummy return value of 0.
1253 (__sjpopnthrow): Remove unused variable `jmpbuf'.
1254 (__throw): Remove unused variable `val'.
1256 * protoize.c: Check for a previously existing definition before
1257 defining *_OK macros.
1259 * scan-decls.c (scan_decls): Remove unused variable `old_written'.
1261 Tue Mar 17 00:45:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1263 * vax.h (ADDR_VEC_ALIGN): Define.
1265 Mon Mar 16 15:57:17 1998 Michael Meissner <meissner@cygnus.com>
1267 * gcc.c (default_arg): Don't wander off the end of allocated
1270 (From Geoffrey Keating <geoffk@ozemail.com.au>)
1271 * rs6000.c (small_data_operand): Ensure that any address
1272 referenced relative to the small data area is inside the SDA.
1274 Mon Mar 16 12:55:15 1998 Jim Wilson <wilson@cygnus.com>
1276 * config/m68k/netbsd.h (ASM_SPEC): Add %{m68060}.
1278 Mon Mar 16 15:50:20 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1280 * except.h (in_same_eh_region): New prototype.
1281 (free_insn_eh_region, init_insn_eh_region): New prototypes.
1282 * except.c (insn_eh_region, maximum_uid): New static variables.
1283 (set_insn_eh_region): New static function to set region numbers.
1284 (free_insn_eh_region): New function to free EH region table.
1285 (init_insn_eh_region): New function to initialize EH region table.
1286 (in_same_eh_region): New function used to determine if two rtl
1287 instructions are in the same exception region or not.
1288 * final.c (final): Initialize the table indicating which instructions
1289 belong in which exception region.
1290 * genpeep.c (main): Add "except.h" to include file list in generated
1292 * config/sparc/sparc.md: Add calls to 'in_same_eh_region' in 4
1293 peepholes involving calls and unconditional branches.
1295 Mon Mar 16 11:16:50 1998 Jim Wilson <wilson@cygnus.com>
1297 * README.gnat: New file.
1299 Mon Mar 16 11:14:20 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1301 * config/m68k/m68k.c: Include <stdlib.h> for atoi. Include
1302 "recog.h" for offsettable_memref_p.
1303 (legitimize_pic_address): Remove unused variable `offset'.
1304 (notice_update_cc): Change return type to void. Add default label
1306 (standard_68881_constant_p): Remove unused variable mode.
1307 (print_operand): Define local variable i only if SUPPORT_SUN_FPA.
1308 (const_int_cost): Explicitly declare as returning int.
1309 (output_dbcc_and_branch): Change return type to void.
1311 * config/m68k/linux.h, config/m68k/m68k.md, config/m68k/m68k.c,
1312 config/m68k/m68k.h: Replace gen_rtx (XXX, ...) with gen_rtx_XXX
1313 (...). Use GEN_INT instead of gen_rtx_CONST_INT.
1315 Sun Mar 15 22:30:44 PST 1998 Jeff Law (law@cygnus.com)
1317 * version.c: Bump for snapshot.
1319 Fri Mar 13 11:30:12 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1321 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Fix logic in range
1322 check for 'M' constraint.
1324 Thu Mar 12 14:47:14 1998 Jim Wilson <wilson@cygnus.com>
1326 * cccp.c (create_definition): If pedantic, call pedwarn for macro
1329 Thu Mar 12 13:43:25 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1331 * i386.c (ix86_logical_operator): New function.
1332 (split_di): Ensure that when a MEM is split, the resulting MEMs have
1334 * i386.md (anddi3, xordi3, iordi3): New patterns. Add a define_split
1337 Thu Mar 12 15:13:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1338 Richard Earnshaw <rearnsha@arm.com>
1339 Nick Clifton <nickc@cygnus.com>
1341 * tm.texi (DEFAULT_RTX_COSTS): Document new macro.
1343 * arm.h (DEFAULT_RTX_COSTS): Define instead of RTX_COSTS.
1345 * cse.c (rtx_cost): Provide a default case in an enumeration
1346 switch, and call DEFAULT_RTX_COSTS if it's defined.
1348 Thu Mar 12 10:02:38 1998 Manfred Hollstein <manfred@s-direktnet.de>
1350 * basic-block.h (compute_preds_succs): Change return type in
1352 * flow.c (compute_preds_succs): Likewise in function definition.
1354 * regmove.c (find_matches): Cast char used as array index to unsigned char
1357 Thu Mar 12 09:39:40 1998 Manfred Hollstein <manfred@s-direktnet.de>
1359 * i386.h (RTX_COSTS): Insert braces around nested if.
1360 (ADDITIONAL_REGISTER_NAMES): Insert braces around structured
1363 * gcc.c (default_compilers): Properly put brackets around array elements in
1366 * getopt.c (_getopt_internal): Add explicit braces around nested if;
1369 * reg-stack.c (record_asm_reg_life): Add explicit braces around nested if's.
1370 (record_reg_life_pat): Add explicit parens around && and || in expression.
1371 (stack_reg_life_analysis): Add parens around assignment used as expression.
1372 (convert_regs): Likewise.
1374 Thu Mar 12 09:25:29 1998 Manfred Hollstein <manfred@s-direktnet.de>
1376 * bitmap.c (bitmap_element_allocate): Remove unused parameter;
1377 change callers accordingly.
1379 * cplus-dem.c (arm_special): Remove unused parameter work in prototype
1380 and definition; change all callers accordingly.
1382 * except.c (init_eh): Avoid assignment of unused return value of
1383 build_pointer_type; cast it to void, instead, and remove unused
1386 * gcc.c (lang_specific_driver): Define prototype only #ifdef
1387 LANG_SPECIFIC_DRIVER.
1388 (temp_names): Define only #ifdef MKTEMP_EACH_FILE.
1390 * genoutput.c (output_epilogue): Initialize next_name to 0.
1392 * real.c (efrexp): #if 0 prototype and function definition.
1393 (eremain): Likewise.
1400 * reload.c (push_secondary_reload): Define prototype only
1401 #ifdef HAVE_SECONDARY_RELOADS.
1403 * varasm.c (assemble_static_space): Define rounded only
1404 #ifndef ASM_OUTPUT_ALIGNED_LOCAL.
1406 Thu Mar 12 09:11:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
1408 * i386.md (andsi): Add default case in enumeration switch.
1413 Thu Mar 12 08:37:02 1998 Manfred Hollstein <manfred@s-direktnet.de>
1415 * c-decl (finish_struct): Change type of min_align to unsigned.
1417 * cplus-dem.c (demangle_function_name): Change type of variable i to size_t;
1418 remove unused variable len.
1420 * dwarf2out.c (reg_save): Add explicit cast of -1 to unsigned and a
1421 comment indicating this is proper behaviour.
1422 (reg_loc_descriptor): Remove redundant comparison of unsigned variable
1424 (based_loc_descr): Likewise.
1426 * enquire.c (bitpattern): Change type of variable i to unsigned.
1428 * final.c (output_asm_insn): Don't cast insn_noperands to unsigned.
1430 * flow.c (life_analysis): Change type of variable i to size_t;
1431 remove unused variable insn.
1433 * gcc.c (translate_options): Change type of variables optlen, arglen and
1435 (input_filename_length): Change type to size_t.
1436 (do_spec_1): Change type of variable bufsize to size_t.
1437 (main): Change type of variables i and j to size_t;
1438 remove subblock local definition of variable i.
1439 (lookup_compiler): Change type of second argument to size_t;
1440 change type of variable i to size_t.
1442 * genemit.c (output_init_mov_optab): Change type of variable i to size_t.
1444 * genopinit.c (get_insn): Change type of variable pindex to size_t.
1446 * genrecog.c (add_to_sequence): Change type of variable i to size_t.
1448 * global.c (global_alloc): Change type of variable i to size_t.
1450 * regclass.c (init_reg_sets): Change type of variables i and j to unsigned.
1452 * stmt.c (expand_end_bindings): Change type of variable i to size_t.
1453 (expand_end_case): Change type of variable count to size_t.
1455 * toplev.c (main): Change type of variable j to size_t.
1456 (set_target_switch): Change type of variable j to size_t.
1457 (print_switch_values): Change type of variable j to size_t;
1458 remove unused variable flags.
1460 * varasm.c (assemble_variable): Change type of variable align to size_t.
1461 (const_hash_rtx): Change type of variable i to size_t.
1463 1998-03-11 Mark Mitchell <mmitchell@usa.net>
1465 * dbxout.c (dbxout_type_methods): Only treat TYPE_METHODS as a
1466 TREE_VEC if that's what it really is.
1468 Wed Mar 11 15:16:01 1998 Michael Meissner <meissner@cygnus.com>
1470 * {haifa-,}sched.c (rank_for_schedule): Only take void * arguments
1473 Wed Mar 11 12:05:20 1998 Teemu Torma <tot@trema.com>
1475 * gthr.h: Changed the comment about return values.
1476 * gthr-solaris.h (__gthread_once): Do not use errno; return the
1477 error number instead of -1.
1478 (__gthread_key_create): Any non-zero return value is an error.
1479 * libgcc2.c (eh_context_initialize): Check for non-zero return
1480 value from __gthread_once.
1481 Check that the value of get_eh_context was really changed.
1483 Wed Mar 11 18:26:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1485 * sh.h (LOOP_ALIGN): Only align when optimizing.
1486 * sh.c (find_barrier): Clear inc for CODE_LABELs.
1487 When not optimizing, calculate alignment for BARRIERs directly.
1489 Wed Mar 11 15:07:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1491 * final.c (shorten_branches): Remove conditionalizing on
1492 SHORTEN_WITH_ADJUST_INSN_LENGTH
1493 * sh.h, pa.h (SHORTEN_WITH_ADJUST_INSN_LENGTH): Remove.
1495 Wed Mar 11 02:37:41 1998 Jeffrey A Law (law@cygnus.com)
1497 * flow.c (find_basic_blocks_1): Keep the cfg accurate when removing
1498 an unconditional jump around deleted blocks.
1500 Mon Mar 9 12:02:23 1998 Jim Wilson <wilson@cygnus.com>
1502 * profile.c (branch_prob): If see computed goto, call fatal instead of
1505 * config/mips/sni-svr4.h (CPP_PREDEFINE): Add -DSNI and -Dsinix.
1507 * configure.in (alpha-dec-osf): Add default case for osf* to switch.
1508 Patch from Bruno Haible.
1510 * function.c (put_reg_into_stack): Copy MEM_IN_STRUCT_P from new.
1511 (assign_parms): Set aggregate if hide_last_arg and last_named.
1513 Mon Mar 9 19:57:56 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1515 * final.c (shorten_branches): Initialize insn_addresses.
1517 Mon Mar 9 14:10:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1519 * sh.h (MUST_PASS_IN_STACK): Define.
1521 Sun Mar 8 13:01:56 1998 Jeffrey A Law (law@cygnus.com)
1523 * final.c (shorten_branches): Fix minor logic error in
1524 ADDR_DIFF_VEC shortening support.
1526 Sun Mar 8 02:17:42 PST 1998 Jeff Law (law@cygnus.com)
1528 * version.c: Bump for snapshot.
1530 Sat Mar 7 00:54:15 1998 Jeffrey A Law (law@cygnus.com)
1532 * haifa-sched.c (is_cfg_nonregular): Change return type to
1533 an int. No longer compute "estimated" number of edges. Use
1534 computed_jump_p instead of duplicating the code. Fixup/add
1536 (build_control_flow): Returns a value indicating an irregularity
1537 in the cfg was detected. Count the number of edges in the cfg.
1538 allocate various edge tables.
1539 (find_rgns): No longer look for unreachable blocks.
1540 (schedule_insns): Do not allocate memory for edge tables here.
1541 Free memory for edge tables before returning. Do not perform
1542 cross block scheduling if build_control_flow returns nonzero.
1543 * flow.c (compute_preds_succs): More accurately determine when
1546 * basic-block.h (free_basic_block_vargs): Provide prototype.
1548 * cccp.c (main): Fix dumb mistakes in last change.
1550 Fri Mar 6 21:28:45 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1552 * rtl.h (addr_diff_vec_flags): New typedef.
1553 (union rtunion_def): New member rt_addr_diff_vec_flags.
1554 (ADDR_DIFF_VEC_FLAGS): New macro.
1556 * sh.c (output_branch): Fix offset overflow problems.
1558 * final.c (shorten_branches): Implement CASE_VECTOR_SHORTEN_MODE.
1559 (final_scan_insn): New argument BODY for ASM_OUTPUT_ADDR_DIFF_ELT.
1560 * rtl.def (ADDR_DIFF_VEC): Three new fields (min, max and flags).
1561 * stmt.c (expand_end_case): Supply new arguments to
1562 gen_rtx_ADDR_DIFF_VEC.
1563 * 1750a.h (ASM_OUTPUT_ADDR_DIFF_ELT): New argument BODY.
1564 * alpha.h, arc.h, clipper.h, convex.h : Likewise.
1565 * dsp16xx.h, elxsi.h, fx80.h, gmicro.h, h8300.h : Likewise.
1566 * i370.h, i386.h, i860.h, i960.h, m32r.h, m68k.h, m88k.h : Likewise.
1567 * mips.h, mn10200.h, mn10300.h, ns32k.h, pa.h, pyr.h : Likewise.
1568 * rs6000.h, sh.h, sparc.h, spur.h, tahoe.h, v850.h : Likewise.
1569 * vax.h, we32k.h, alpha/vms.h, arm/aof.h, arm/aout.h : Likewise.
1570 * i386/386bsd.h, i386/freebsd-elf.h : Likewise.
1571 * i386/freebsd.h, i386/linux.h : Likewise.
1572 * i386/netbsd.h, i386/osfrose.h, i386/ptx4-i.h, i386/sco5.h : Likewise.
1573 * i386/sysv4.h, m68k/3b1.h, m68k/dpx2.h, m68k/hp320.h : Likewise.
1574 * m68k/mot3300.h, m68k/sgs.h : Likewise.
1575 * m68k/tower-as.h, ns32k/encore.h, sparc/pbd.h : Likewise.
1576 * sh.h (INSN_ALIGN, INSN_LENGTH_ALIGNMENT): Define.
1577 (CASE_VECTOR_SHORTEN_MODE): Define.
1578 (short_cbranch_p, align_length, addr_diff_vec_adjust): Don't declare.
1579 (med_branch_p, braf_branch_p): Don't declare.
1580 (mdep_reorg_phase, barrier_align): Declare.
1581 (ADJUST_INSN_LENGTH): Remove alignment handling.
1582 * sh.c (uid_align, uid_align_max): Deleted.
1583 (max_uid_before_fixup_addr_diff_vecs, branch_offset): Deleted.
1584 (short_cbranch_p, med_branch_p, braf_branch_p, align_length): Deleted.
1585 (cache_align_p, fixup_aligns, addr_diff_vec_adjust): Deleted.
1586 (output_far_jump): Don't use braf_branch_p.
1587 (output_branchy_insn): Don't use branch_offset.
1588 (find_barrier): Remove checks for max_uid_before_fixup_addr_diff_vecs.
1589 Remove paired barrier stuff.
1590 Don't use cache_align_p.
1591 Take alignment insns into account.
1592 (fixup_addr_diff_vecs): Reduce to only fixing up the base label of
1594 (barrier_align, branch_dest): New function.
1595 (machine_dependent_reorg, split_branches): Remove infrastructure
1596 for branch shortening that is now provided in the backend.
1597 * sh.md (short_cbranch_p, med_branch_p, med_cbranch_p): New attributes.
1598 (braf_branch_p, braf_cbranch_p): Likewise.
1599 (attribute length): Use new attributes.
1600 (casesi_worker): Get mode and unsignednedd from ADDR_DIFF_VEC.
1601 (addr_diff_vec_adjust): Delete.
1602 (align_2): Now a define_expand.
1603 (align_log): Now length 0.
1605 Fri Mar 6 14:41:33 1998 Michael Meissner <meissner@cygnus.com>
1607 * m32r.md (right): Correctly check for length == 2, not 1.
1609 Fri Mar 6 14:00:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1611 * mips/mips.h: Prototype `machine_dependent_reorg'.
1612 (ASM_OUTPUT_ALIGN): Remove unused variable `mask'.
1614 Fri Mar 6 11:43:35 1998 Joern Rennecke (amylaar@cygnus.co.uk)
1616 * final.c (shorten_branches): Restore accidentally removed code.
1618 Fri Mar 6 11:00:49 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1620 * configure.in: Remove duplicate uses of AC_PROG_CC and
1623 Fri Mar 6 00:59:30 1998 Richard Henderson <rth@cygnus.com>
1625 * configure.in (target_cpu_default2): Correct typo for alphapca56.
1627 Thu Mar 5 23:24:50 1998 Jeffrey A Law (law@cygnus.com)
1628 Doug Evans (devans@cygnus.com)
1630 * haifa-sched.c (build_jmp_edges): Delete dead function.
1631 (build_control_flow): Use cfg routines from flow.c
1632 (schedule_insns): Remove debugging code accidentally checked
1635 * basic-block.h: Add external integer list structures, typdefs,
1636 accessor macros and function declarations. Simlarly for
1637 basic block pred/succ support and simple bitmap stuff.
1638 * flow.c: Add functions for integer list, basic block pred/succ
1639 support and simple bitmap support.
1640 (compute_dominators): New function to compute dominators and
1642 (find_basic_blocks): Split into two functions.
1643 (life_analysis): Likewise.
1644 (flow_analysis): Removed. Now handled by calling find_basic_blocks,
1645 the life_analysis from toplev.c
1646 * toplev.c (rest_of_compilation): Call find_basic_blocks, then
1647 life_analysis instead of flow_analysis.
1649 Thu Mar 5 23:06:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1651 * jump.c (jump_optimize): Call mark_jump_label also for deleted
1653 (mark_jump_label): Don't increment ref counts for deleted insns.
1655 Thu Mar 5 09:55:15 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1657 * mips/iris6.h (TARGET_DEFAULT): Parenthesize macro definition.
1659 * mips/mips.c: Include stdlib.h and unistd.h.
1660 (mips_asm_file_end): Add braces around empty body in an if-statement.
1661 (function_prologue): Wrap variable `fnname' in
1662 !FUNCTION_NAME_ALREADY_DECLARED. Correct format specifier in fprintf.
1663 (mips_select_rtx_section, mips_select_section): Declare as void.
1665 * mips/mips.h: Add prototypes for extern functions in mips.c.
1666 (FUNCTION_ARG_REGNO_P): Add parentheses around && within ||.
1667 (ENCODE_SECTION_INFO): Add braces around empty body in an
1670 * mips/mips.md (movdi): Add parentheses around && within ||.
1671 (movsf, movdf): Likewise.
1672 (branch_zero, branch_zero_di): Add default case in
1676 Thu Mar 5 02:45:48 1998 Richard Henderson <rth@cygnus.com>
1678 * alpha/alpha.h (TARGET_WINDOWS_NT, TARGET_OPEN_VMS): Just make them
1679 real constants, since they can't be changed.
1680 (TARGET_AS_CAN_SUBTRACT_LABELS): New.
1681 * alpha/alpha.md (builtin_setjmp_receiver): Use it.
1682 * alpha/osf.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
1683 * alpha/osf2or3.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
1684 * alpha/vms.h (TARGET_OPEN_VMS): New.
1685 * alpha/win-nt.h (TARGET_WINDOWS_NT): New.
1687 Thu Mar 5 02:41:27 1998 Richard Henderson <rth@cygnus.com>
1689 * reload.c (find_reloads): Always force (subreg (mem)) to be
1690 reloaded if WORD_REGISTER_OPERATIONS.
1692 Thu Mar 5 02:14:44 1998 Richard Henderson <rth@cygnus.com>
1694 * haifa-sched.c (free_list): Rename from free_pnd_lst.
1695 (free_pending_lists): Rename free_pnd_lst uses.
1696 (remove_dependence): Place expunged element on unused_insn_list.
1697 (alloc_INSN_LIST, alloc_EXPR_LIST): New. Change all callers of
1698 gen_rtx_*_LIST and alloc_rtx to use them.
1699 (compute_block_backward_dependences): Free the reg_last_* lists.
1701 Thu Mar 5 00:05:40 1998 Jeffrey A Law (law@cygnus.com)
1703 * cccp.c (main): Avoid undefined behavior when setting pend_includes
1706 Wed Mar 4 21:58:25 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
1708 * rs6000/linux.h: don't define DEFAULT_VTABLE_THUNKS to 1 if
1709 USE_GNULIBC_1 is defined
1710 * configure.in: add a new case powerpc-*-linux-gnulibc1 which
1711 includes the t-linux-gnulibc1 fragment
1713 Wed Mar 4 12:11:36 1998 Jim Wilson <wilson@cygnus.com>
1715 * mips.md (movdf_internal1a): Fix misplaced parenthesis in condition.
1717 Wed Mar 4 18:47:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1719 * final.c (final_scan_insn, case CODE_LABEL: Cleanup.
1721 Wed Mar 4 15:51:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1723 * final.c (shorten_branches): Tag the loop alignment onto the
1724 first label after NOTE_INSN_LOOP_BEG even if there is an
1727 Tue Mar 3 21:48:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1729 * final.c (insn_current_reference_address):
1730 Use SEQ instead of BRANCH as argument to align_fuzz, to get a
1731 proper alignment chain.
1733 * final.c (max_labelno): New static variable.
1734 (final_scan_insn): Check max_labelno before outputting an
1735 alignment for a label.
1736 (shorten_branches): Remove unused variable length_align.
1738 Tue Mar 3 14:27:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1740 * sparc.c (ultrasparc_adjust_cost): Add default case in
1743 * sparc.h: Add prototypes for extern functions defined in
1746 Tue Mar 3 10:00:11 1998 Nick Clifton <nickc@cygnus.com>
1748 * toplev.c: Only generate <name>.dbr file when dumping RTL if
1749 DEALY_SLOTS is defined.
1751 Tue Mar 3 07:36:37 1998 Manfred Hollstein <manfred@s-direktnet.de>
1753 * reorg.c (fill_eager_delay_slots): Add new argument delay_list
1754 in call to fill_slots_from_thread.
1756 Mon Mar 2 13:45:03 1998 Richard Henderson <rth@cygnus.com>
1758 * alpha/linux.h (CPP_PREDEFINES): Correct connecting whitespace
1759 to SUB_CPP_PREDEFINES. Reported by asun@saul4.u.washington.edu.
1761 Mon Mar 2 22:59:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1763 * final.c (insn_last_address, insn_current_align, uid_align):
1765 (in_align_chain, align_fuzz, align_shrink_fuzz): New functions.
1766 (insn_current_reference_address): Likewise.
1767 (shorten_branches, final_scan_insn): Implement LABEL_ALIGN,
1768 LABEL_ALIGN_AFTER_BARRIER and LOOP_ALIGN target macros.
1769 (label_to_alignment): New function.
1770 * genattrtab.c (write_test_expr): If one of LABEL_ALIGN,
1771 LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN is defined, call
1772 insn_current_reference_address instead of insn_current_address.
1773 (or_attr_value, write_length_unit_log): New functions.
1774 (main): Call write_length_unit_log.
1775 (write_const_num_delay_slots): Output extra '\n'.
1776 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE):
1778 (LOOP_ALIGN, ALIGN_LABEL_AFTER_BARRIER).
1779 * i386.h, i386/osfrose.h, i386/svr3dbx.h, m68k.h, sparc.h: Likewise.
1780 * arc.h, m32r.h (ASM_OUTPUT_LOOP_ALIGN): replace with:
1782 * i960.h, m88k.h: (ASM_OUTPUT_ALIGN_CODE): Replace with:
1783 (LABEL_ALIGN_AFTER_BARRIER).
1784 * ns32k/encore.h, ns32k/merlin.h, ns32k.h, ns32k/sequent.h: Likewise.
1785 * ns32k/tek6000.h: Likewise.
1786 * i386/gas.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Delete.
1787 * i386.md (casesi+1): Use ASM_OUTPUT_ALIGN instead of
1788 ASM_OUTPUT_ALIGN_CODE.
1790 Mon Mar 2 01:05:50 PST 1998 Jeff Law (law@cygnus.com)
1792 * version.c: Bump for snapshot.
1794 Mon Mar 2 00:52:18 PST 1998 Jeff Law (law@cygnus.com)
1796 * version.c: Bump for snapshot.
1798 Sun Mar 1 18:25:49 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
1800 * reorg.c (fill_slots_from_thread): Don't steal delay list from target
1801 if condition code of jump conflicts with opposite_needed.
1803 * reorg.c (fill_slots_from_thread): Mark resources referenced in
1804 opposite_needed thread. Return delay_list even when cannot get
1805 any more delay insns from end of subroutine.
1807 Sun Mar 1 18:26:21 1998 Ken Rose (rose@acm.org)
1809 * reorg.c (fill_slots_from_thread): New parameter, delay_list.
1810 All callers changed.
1812 Sun Mar 1 18:25:37 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1814 * frame.c (start_fde_sort, fde_split, heapsort, fde_merge,
1815 end_fde_sort): New functions for fast sorting of an FDE array.
1816 (fde_insert): Simplified.
1817 (add_fdes): Change argument list.
1818 (frame_init): Use the new functions.
1820 Sun Mar 1 18:06:21 1998 Jeffrey A Law (law@cygnus.com)
1822 * ginclude/va-ppc.h (va_arg): Fix typo in long long support.
1824 * i386.c (reg_mentioned_in_mem): Fix dangling else statement.
1826 * fold-const.c (fold_range_test): Always return a value.
1828 Sun Mar 1 17:57:34 1998 Mumit Khan <khan@xraylith.wisc.edu>
1830 * config/i386/winnt.c (i386_pe_unique_section): Put read-only
1831 data in the text section unless READONLY_DATA_SECTION is defined.
1833 Sun Mar 1 17:48:46 1998 Jeffrey A Law (law@cygnus.com)
1835 * c-parse.in (undeclared variable error): Tweak error message to
1838 Sun Mar 1 10:22:36 PST 1998 Jeff Law (law@cygnus.com)
1840 * version.c: Bump for snapshot.
1842 1998-02-28 Mark Mitchell <mmitchell@usa.net>
1844 * final.c (final_scan_insn): Undo overzealous removal of `set'.
1846 Sat Feb 28 07:54:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1848 * pa.h (CONST_COSTS): When checking the CONST_DOUBLE enumerated
1849 case, add parentheses to specify the proper order of precedence in
1853 * c-aux-info.c: Include string.h/strings.h.
1855 * pa.c: Include stdlib.h.
1856 (pa_combine_instructions): Prototype the function.
1857 (pa_can_combine_p, forward_branch_p, shadd_constant_p): Likewise.
1858 (reloc_needed): Add default case for enumeration switch.
1859 (remove_useless_addtr_insns): Remove unused variable `all'.
1860 (hppa_expand_prologue): Add explicit braces to avoid
1862 (output_function_epilogue): Remove unused variable `i'.
1863 (output_millicode_call): Remove unused variable `link'.
1864 (shadd_constant_p, forward_branch_p): Make the function static.
1865 (following_call): Explicitly declare to return int.
1866 (pa_reorg): Declare as void.
1867 (pa_combine_instructions): Declare as static void. Add
1868 parentheses around && within ||.
1870 * pa.h: Add prototypes for pa_reorg, symbolic_operand,
1871 following_call, function_label_operand, lhs_lshift_cint_operand
1874 * pa.md: Add parentheses around && within ||.
1876 * cppalloc.c: Include stdlib.h.
1878 * cpperror.c (cpp_print_containing_files): Remove unused variable
1879 `i'. Fix format specifier in fprintf.
1881 * cse.c (cse_around_loop): Add explicit braces to avoid
1883 (delete_dead_from_cse): Wrap variable `tem' in macro HAVE_cc0.
1885 * expr.c (expand_expr): Add parentheses around && within ||.
1887 * final.c (app_enable): Replace fprintf with fputs where there are
1888 no format specifiers and no trailing argument after the string.
1889 Eg, when printing ASM_APP_ON/ASM_APP_OFF.
1890 (app_disable): Likewise.
1891 (final_end_function): Likewise.
1892 (final_scan_insn): Likewise. Remove unused variable `set'.
1893 (profile_function): Wrap empty if-statement body in {} brackets.
1895 * function.c: Include stdlib.h.
1896 (pad_below): Wrap prototype and definition in ARGS_GROW_DOWNWARD.
1897 (reposition_prologue_and_epilogue_notes): Add parentheses
1898 around assignment used as truth value.
1900 * integrate.c (expand_inline_function): Wrap variable
1901 `cc0_insn' in macro HAVE_cc0.
1903 * jump.c (jump_optimize): Wrap variable `q' in macro
1904 HAVE_cc0. Remove unused variable `prev1'.
1906 * libgcc2.c (__bb_exit_trace_func): Add parentheses around &&
1907 within ||. Fix format specifier in fprintf.
1908 (__bb_init_prg): Add parentheses around assignment used as
1911 * local-alloc.c: Include stdlib.h.
1912 (requires_inout): Add parentheses around assignment used
1915 * loop.c (analyze_loop_iterations): Wrap prototype and definition
1916 in macro HAVE_decrement_and_branch_on_count.
1917 (insert_bct, instrument_loop_bct): Likewise.
1918 (move_movables): Add parentheses around assignment used as
1920 (consec_sets_invariant_p): Likewise.
1921 (maybe_eliminate_biv_1): Wrap variable `new' in macro HAVE_cc0.
1923 * objc/objc-act.c: Include stdlib.h.
1924 (lookup_method_in_protocol_list): Wrap empty else-statement body
1926 (lookup_protocol_in_reflist): Likewise.
1927 (objc_add_static_instance): Remove unused variables `decl_expr'
1929 (get_objc_string_decl): Remove unused variable `decl'.
1930 (generate_static_references): Remove unused variables `idecl' and
1932 (check_protocols): Wrap empty else-statement body in braces.
1934 * protoize.c: Include stdlib.h.
1935 (substr): Add parentheses around assignment used as truth value.
1936 (abspath): Likewise.
1937 (shortpath): Likewise.
1939 * regmove.c (fixup_match_1): Add parentheses around assignment
1940 used as truth value.
1942 * reload.c (push_secondary_reload): Remove unused variable `i'.
1943 (find_reloads): Add parentheses around assignment used as truth
1946 * reload1.c: Include stdlib.h.
1948 * rtl.h: Correct typo in prototype of offsettable_memref_p.
1950 * stmt.c (add_case_node): Add parentheses around assignment used
1952 (case_tree2list): Likewise.
1954 * tree.c (valid_machine_attribute): Wrap variable `decl_attr_list'
1955 in macro VALID_MACHINE_DECL_ATTRIBUTE. Wrap variable
1956 `type_attr_list' in macro VALID_MACHINE_TYPE_ATTRIBUTE.
1957 (merge_attributes): Add explicit braces to avoid ambiguous
1960 * unroll.c (copy_loop_body): Wrap variable `cc0_insn' in
1963 * varasm.c: Include stdlib.h.
1966 * system.h: Remove sys/stat.h.
1967 * gcc.c: Add sys/stat.h.
1969 * genattr.c: Wrap prototype of `free' in NEED_DECLARATION_FREE.
1970 * genattrtab.c: Likewise.
1971 * genconfig.c: Likewise.
1972 * genemit.c: Likewise.
1973 * genextract.c: Likewise.
1974 * genflags.c: Likewise.
1975 * genopinit.c: Likewise.
1976 * genoutput.c: Likewise.
1977 * genpeep.c: Likewise.
1978 * genrecog.c: Likewise.
1979 * tlink.c: Likewise. Also wrap `getenv' in NEED_DECLARATION_GETENV.
1981 Fri Feb 27 11:02:47 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1983 * invoke.texi: Use @itemx for a secondary item in a @table.
1985 * config/m68k/m68k.md (movsf+1): Optimize moving a CONST_DOUBLE
1988 Thu Feb 26 00:13:21 1998 Ian Lance Taylor <ian@cygnus.com>
1990 * choose-temp.c: Fix handling of sys/file.h to work in libiberty.
1992 Wed Feb 25 23:40:54 1998 Jeffrey A Law (law@cygnus.com)
1994 * i386.c (struct machine_function): Add new fields for PIC stuff.
1995 (save_386_machine_status): Fix argument to xmalloc. Save pic_label_rtx
1997 (restore_386_machine_status): Corresponding changes.
1998 (clear_386_stack_locals): Also clear pic_label_rtx and pic_label_name.
2000 Wed Feb 25 01:31:40 1998 Jeffrey A Law (law@cygnus.com)
2002 * c-parse.y (undeclared variable error): Tweak error message
2005 Tue Feb 24 23:54:07 1998 Richard Henderson <rth@cygnus.com>
2007 * flags.h (g_switch_value, g_switch_set): Declare.
2008 * alpha.c (override_options): Set g_switch_value=8 if not set.
2009 * alpha/elf.h (CC1_SPEC): New.
2011 (LINK_SPEC): Pass along the -G value we were given.
2012 (LOCAL_ASM_OP): Remove.
2013 (ASM_OUTPUT_ALIGNED_LOCAL): Output to .bss or .sbss by size.
2014 (MAX_OFILE_ALIGNMENT): New.
2015 (BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP): New.
2016 (EXTRA_SECTIONS): Add sbss and sdata.
2017 (SECTION_FUNCTION_TEMPLATE): New.
2018 (EXTRA_SECTION_FUNCTIONS): Use it.
2019 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
2020 (SELECT_SECTION): Use sdata when small enough.
2021 * alpha/linux.h (ASM_SPEC): Remove.
2024 Mon Feb 23 15:09:18 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2025 * config.sub (sco5): Fix typo.
2027 Mon Feb 23 18:19:31 1998 Manfred Hollstein <manfred@s-direktnet.de>
2029 * config/t-linux (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Add macros and
2031 * config/t-linux-aout (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Likewise.
2032 * config/alpha/t-linux: Remove file.
2033 * config/sparc/t-linux: Remove file.
2034 * config/m68k/t-linux (LIBGCC1, CROSS_LIBGCC1): Remove.
2035 * config/m68k/t-linux-aout (LIBGCC1, CROSS_LIBGCC1): Likewise.
2036 * configure.in (alpha*-*-linux-gnulibc1*): Use t-linux instead of alpha/t-linux
2038 (alpha*-*-linux-gnu*): Likewise.
2039 (sparc-*-linux-gnulibc1*): Use t-linux instead of sparc/t-linux for tmake_file.
2040 (sparc-*-linux-gnu*): Likewise.
2042 Mon Feb 23 10:47:39 1998 Robert Lipe <robertl@dgii.com>
2043 * collect2.c (ldd_file_name): Bracket declaration with same
2045 (full_real_ld_suffix): Deleted. Variable was calloced and
2046 written into, but never read.
2048 1998-02-23 Mike Stump <mrs@wrs.com>
2050 * configure.in: Add support for i386-wrs-vxworks configuration.
2051 * i386/vxi386.h: New file.
2053 Sun Feb 22 21:16:51 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2055 * tree.c (contains_placeholder_p): Ensure function always returns
2057 * sparc.md (movdi_sp64_insn): Add default case in enumeration switch.
2058 (movsf_const_insn, movdf_const_insn, movtf_const_insn): Likewise.
2060 Sun Feb 22 20:58:19 1998 Jeffrey A Law (law@cygnus.com)
2062 * vms.h (SELECT_SECTION): Use TREE_CODE_CLASS correctly.
2064 1998-02-22 Paul Eggert <eggert@twinsun.com>
2066 * config/sparc/sol2-sld.h (LINKER_DOES_NOT_WORK_WITH_DWARF2):
2067 Define this new symbol.
2068 (DWARF2_DEBUGGING_INFO, DWARF_DEBUGGING_INFO): Do not #undef.
2069 * toplev.c (main): Do not default to DWARF2_DEBUG with -ggdb if
2070 LINKER_DOES_NOT_WORK_WITH_DWARF2 is defined.
2072 Sun Feb 22 20:07:32 1998 Jim Wilson <wilson@cygnus.com>
2074 * iris5.h (DWARF2_UNWIND_INFO): Define to 0.
2075 * iris5gas.h (DWARF2_UNWIND_INFO): Define to 1.
2077 Sun Feb 22 15:29:48 1998 Richard Henderson <rth@cygnus.com>
2079 * objc/Object.m (-error): Call objc_verror with our va_list.
2081 Sun Feb 22 09:45:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2083 * collect2.c (scan_prog_file): Completely cover uses of variable
2084 `exports' with macro COLLECT_EXPORT_LIST.
2086 Sat Feb 21 20:36:23 1998 Jeff Law (law@cygnus.com)
2088 * version.c: Bump for snapshot.
2090 Fri Feb 20 16:22:13 1998 Michael Meissner <meissner@cygnus.com>
2092 * sched.c (schedule_block): Remove code to get arguments from hard
2093 regs into pseudos early. Same as Aug 25, 1997 change to
2096 1998-02-20 Jason Merrill <jason@yorick.cygnus.com>
2098 * collect2.c (main): Still handle !do_collecting for non-AIX targets.
2100 1998-02-16 Mark Mitchell <mmitchell@usa.net>
2102 * toplev.c (rest_of_compilation): Do not defer the output of a
2105 Fri Feb 20 10:39:47 1998 Michael Tiemann <michael@impact.tiemann.org>
2107 * ginclude/va-mips.h (va_arg): Remove trailing space after '\'
2108 continuation character (line 243).
2110 Fri Feb 20 12:10:26 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2112 * genrecog.c (main): Remove duplicated sentence in emitted comment.
2114 Thu Feb 19 22:36:53 1998 Andrey Slepuhin <pooh@msu.net>
2115 David Edelsohn <edelsohn@mhpcc.edu>
2117 * collect2.c (XCOFF_SCAN_LIBS): Remove.
2118 (export_flag): New variable.
2119 (export_file): #ifdef COLLECT_EXPORT_LIST.
2120 (import_file, exports, imports, undefined): New variables.
2121 (libs, cmdline_lib_dirs, libpath_lib_dirs, libpath, libexts): Same.
2122 (dump_list, dump_prefix_list, is_in_list): New functions.
2123 (write_export_file): $ifdef COLLECT_EXPORT_LIST.
2124 (write_import_file, resolve_lib_name): New functions.
2125 (use_import_list, ignore_library): Same.
2126 (collect_exit): maybe_unlink import_file and #ifdef.
2128 (main): New variable importf, #ifdef exportf. Move parsing of
2129 -shared before general argument parsing. Resolve AIX library
2130 paths and import libgcc.a symbols. Treat .so shared libraries the
2131 same as objects and .a libraries. Create alias for object_lst and
2132 increment it instead of original pointer. Scan AIX libraries as
2133 objects earlier instead of using scan_libraries. Perform AIX
2134 tlink later to resolve templates instead of forking ld.
2135 (GCC_OK_SYMBOL): Ensure symbol not in undef section.
2136 (GCC_UNDEF_SYMBOL): New macro.
2137 (scan_prog_file): Loop for members of AIX libraries. Handle
2138 export/import of ctors/dtors.
2139 (aix_std_libs): New variable.
2140 (scan_libraries, XCOFF): Delete.
2142 Thu Feb 19 22:36:52 1998 Robert Lipe <robertl@dgii.com>
2144 * collect2.c (full_real_ld_suffix): #ifdef CROSS_COMPILE.
2146 1998-02-19 Mike Stump <mrs@wrs.com>
2148 * Makefile.in: Use $tooldir for sys-include to match toplevel
2151 Thu Feb 19 01:32:37 1998 Jeffrey A Law (law@cygnus.com)
2152 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2154 * emit-rtl.c (gen_lowpart_common): Suppress last change if __complex__.
2156 * emit-rtl.c (hard-reg-set.h): Include.
2157 (get_lowpart_common): Don't make new REG for hard reg in a
2158 class that cannot change size.
2159 * Makefile.in (emit-rtl.o): Depend on hard-reg-set.h.
2161 * combine.c: Revert previous patch.
2163 1998-02-19 Paul Eggert <eggert@twinsun.com>
2165 * config/sparc/sol2-sld.h: New file.
2166 * configure.in (sparc-*-solaris2*): Use it when using the
2169 Thu Feb 19 00:46:59 1998 Jeffrey A Law (law@cygnus.com)
2171 * loop.c (force_movables): Fix typo.
2173 Thu Feb 19 08:26:30 1998 Manfred Hollstein <manfred@s-direktnet.de>
2175 * m88k.h: Change file pattern to match reality.
2177 Wed Feb 18 23:19:52 1998 Jeffrey A Law (law@cygnus.com)
2179 * varasm.c (output_constant_pool): Fix dumb thinko in last
2182 * pa.h (ASM_OUTPUT_FUNCTION_PREFIX): Correctly translate from
2183 a function name to a section name.
2185 1998-02-18 Doug Evans <devans@cygnus.com>
2187 * tree.h (merge_machine_{type,decl}_attributes): Declare.
2188 (split_specs_attrs, strip_attrs): Add prototypes.
2189 * tree.c (merge_machine_{type,decl}_attributes): New functions.
2190 * c-decl.c (duplicate_decls): Call merge_machine_decl_attributes.
2191 Update olddecl's attributes too.
2192 * c-common.c (strip_attrs): New function.
2193 * c-typeck.c (common_type): Call merge_machine_type_attributes.
2194 * varasm.c (make_function_rtl): New target macro REDO_SECTION_INFO_P.
2195 (make_decl_rtl): Likewise.
2197 1998-02-18 Jim Wilson <wilson@cygnus.com>
2199 * c-decl.c (shadow_tag_warned): Call split_specs_attrs.
2201 Wed Feb 18 09:09:50 1998 Jeffrey A Law (law@cygnus.com)
2203 Remove this change until we can fix it correctly.
2204 * collect2.c: Bracket declaration of 'exportf' and
2205 'full_real_ld_suffix'.
2207 Wed Feb 18 08:44:25 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
2209 * Makefile.in (STAGESTUFF): Add genrtl.c, genrtl.h and gengenrtl.
2211 Tue Feb 17 23:30:20 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
2213 * c-common.c (c_expand_start_cond, c_expand_end_cond,
2214 c_expand_start_else): Don't warn about non-ambiguous else even if
2217 Tue Feb 17 23:56:50 1998 Robert Lipe <robertl@dgii.com>
2219 * sco5.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT,
2220 ASM_OUTPUT_LONG_DOUBLE): Delete. Use the ones from i386.h
2223 Tue Feb 17 22:56:14 1998 Richard Henderson <rth@cygnus.com>
2225 * combine.c (simplify_rtx): Obey CLASS_CANNOT_CHANGE_SIZE when
2226 simplifying a subreg of a hard reg.
2227 (expand_compound_operation): Likewise.
2228 (force_to_mode): Likewise.
2230 Tue Feb 17 22:37:22 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2232 * fold-const.c: Include "system.h" to get stdlib.h and stdio.h.
2233 (lshift_double): Add parentheses around + or - inside shift.
2234 (rshift_double): Likewise.
2235 (size_int_wide): Explicitly set type of `bit_p' to `int'.
2237 * Makefile.in (fold-const.o): Depend on system.h.
2239 * Makefile.in (gcc.o): Depend on system.h, in accordance with last
2242 * haifa-sched.c: Include "system.h" to get <stdlib.h> and <stdio.h>.
2243 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
2244 (sched_note_set): Remove unused parameter `b', all callers changed.
2245 (schedule_block): Likewise for `rgn'.
2246 (split_hard_reg_notes): Likewise for `orig_insn'.
2247 (check_live): Likewise for `trg'.
2248 (update_live): Likewise.
2249 (check_live_1): Explcitly declare variable `i' as int.
2250 (update_live_1): Likewise.
2251 (insn_issue_delay): Remove unused variable `link'.
2252 (sched_analyze_2): Add default case in enumeration switch.
2253 (schedule_insns): Remove unused variable `i'.
2255 * Makefile.in ($(SCHED_PREFIX)sched.o): Depend on system.h.
2257 Tue Feb 17 22:31:04 1998 Jeffrey A Law (law@cygnus.com)
2259 * loop.c (rtx_equal_for_loop_p): Add some braces to disambiguate
2260 a dangling else clause.
2262 Tue Feb 17 21:28:12 1998 Gavin Koch <gavin@cygnus.com>
2264 * mips/mips.h (CAN_ELIMINATE): Don't eliminate the frame
2265 pointer for the stack pointer in MIPS16 and 64BIT.
2267 Tue Feb 17 21:17:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2269 * rtl.h (force_line_numbers, restore_line_number_status): Declare.
2270 * emit-rtl.c (force_line_numbers, restore_line_number_status):
2272 * stmt.c (struct nesting): Replace seenlabel with line_number_status.
2273 (expand_start_case): Adjust to this change.
2274 (check_seenlabel): New function.
2275 (pushcase, pushcase_range, expand_endcase): Use it.
2277 Tue Feb 17 10:14:32 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2279 * i386.md (adddi3): Add =!r,0,0,X alternative.
2281 Mon Feb 16 16:13:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
2283 * rs6000.h (MY_ISCOFF): Add numeric value of U803XTOCMAGIC.
2284 * x-aix31 (INSTALL): Delete.
2286 Mon Feb 16 09:24:32 1998 Gavin Koch <gavin@cygnus.com>
2288 * mips/mips.c (mips_expand_epilogue): Update tsize_rtx if
2289 tsize changes to something other than zero.
2291 Mon Feb 16 09:11:48 1998 Gavin Koch <gavin@cygnus.com>
2293 * ginclude/va-mips.h: Replace casts of pointers to int with
2294 casts of pointers to __PTRDIFF_TYPE__.
2296 Mon Feb 16 08:17:14 1998 John Carr <jfc@mit.edu>
2298 * loop.c (strength_reduce, record_biv, record_giv): Use
2299 HOST_WIDE_INT_PRINT_DEC to print CONST_INT values.
2301 1998-02-16 Jason Merrill <jason@yorick.cygnus.com>
2303 * tree.c (first_rtl_op): New fn.
2304 (unsave_expr_now): Use it.
2305 * print-tree.c (print_node): Likewise.
2306 * tree.c (has_cleanups): New fn.
2307 * fold-const.c (fold, case CLEANUP_POINT_EXPR): Use it. Be more
2308 conservative about pushing the cleanup point down.
2309 * tree.h: Declare them.
2311 Sun Feb 15 23:28:44 1998 Jeffrey A Law (law@cygnus.com)
2313 * toplev.c (flag_schedule_reverse_before_reload): Delete variable.
2314 (flag_schedule_reverse_after_reload): Likewise.
2315 (f_options): Remove reverse scheduling support.
2316 * flags.h (flag_schedule_reverse_before_reload): Delete declaration.
2317 (flag_schedule_reverse_after_reload): Likewise.
2318 * haifa-sched.c (rank_for_schedule): Remove support for reverse
2321 Sun Feb 15 21:33:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2323 * gcc.c: Get system includes, prototypes and macros via "system.h"
2324 instead of doing it manually. Change all calls of the ctype
2325 macros to custom versions defined in "system.h".
2327 * system.h: Fix return type of bcmp prototype from `void' to `int'.
2328 Make bcopy, bcmp and bzero prototypes explicitly `extern'.
2329 Add a prototype for getenv.
2331 Sun Feb 15 17:05:41 1998 Jim Wilson <wilson@cygnus.com>
2333 * mips/mips.h (INITIAL_ELIMINATION_OFFSET): Readd Jun 6 change.
2335 Sun Feb 15 15:23:15 1998 John Carr <jfc@mit.edu>
2337 * alias.c: Include <stdlib.h> and <string.h>.
2338 (init_alias_analysis): Pass NULL_RTX instead of 0 to record_set.
2340 Sat Feb 14 11:23:09 PST 1998 Jeff Law (law@cygnus.com)
2342 * version.c: Bump for snapshot.
2344 Sat Feb 14 05:08:21 1998 Richard Earnshaw (rearnsha@arm.com)
2346 * arm.md (movsfcc): Also validate operands[3] when compiling hard
2348 (movdfcc): Only accept fpu_add_operand for operands[3].
2350 * arm/t-semi (STMP_FIXPROTO): Define to nothing.
2351 * arm/t-semiaof (STMP_FIXPROTO): Likewise.
2353 Sat Feb 14 02:02:41 1998 Jeffrey A Law (law@cygnus.com)
2355 * varasm.c (output_constant_pool): Bring back 'done' label inside
2356 an appropriate #ifdef.
2358 * bitmap.c (bitmap_element_allocate): Wrap variable 'i' in an
2360 (bitmap_copy, bitmap_operation): Likewise.
2361 * combine.c (combinable_i3pat): Similarly for 'src'.
2362 * function.c (fixup_var_refs_1): Similarly for 'outerdest'.
2363 (locate_and_pad_parm): Similarly for 'reg_parm_stack_space'.
2364 * regclass.c (copy_cost): Similarly for 'secondary_class'.
2365 * reload.c (make_memloc): Simliarly for 'i'.
2366 (find_reloads_address_1): Similarly for 'link'.
2367 * reload1.c (reload): Similarly for 'previous_frame_pointer_needed'.
2368 (emit_reload_insns): Similarly for 'second_reloadreg'.
2369 * unroll.c (iteration_info): Similarly for 'v'.
2371 * caller-save.c (insert_save_restore): Remove unused variable 'i'.
2372 * calls.c (expand_call): Similarly for 'i'.
2373 (emit_library_call, emit_library_call_value): Similarly for 'mode'.
2374 * fold-const.c (strip_compund_expr): Similarly for 'type'.
2375 * function.c (fixup_var_refs_1): Similarly for 'width'.
2376 (fixup_memory_subreg): Similarly for 'saved'.
2377 (locate_and_pad_parm): Similarly for 'boundary_in_bytes.'
2378 (setjmp_protect): Similarly for 'sub'.
2379 (thread_prologue_and_epilogue_insns): Similarly for 'insn'.
2380 * loop.c (record_giv): Similarly for 'p'.
2381 (combine_givs): Similarly for 'temp_iv'.
2382 (indirect_jump_in_function_p): Similarly for 'is_indirect_jump'.
2383 * recog.c (validate_replace_rtx_1): Similarly for 'width'.
2384 * tree.c (get_set_constructor_bytes): Similarly for 'vals'.
2385 * unroll.c (unroll_loop): Similarly for 'copy'.
2386 (iteration_info): Similarly for 'b'.
2387 * varasm.c (assemble_string): Similarly for 'i'.
2388 * i386.h (LEGITIMIZE_ADDRESS): Similarly for 'orig_x'.
2390 1998-02-13 Martin von Loewis <loewis@informatik.hu-berlin.de>
2392 * c-lang.c (lang_print_xnode): New function.
2393 * objc/objc-act.c (lang_print_xnode): Likewise.
2394 * print-tree.c (print_node): Call it
2396 Fri Feb 13 14:38:34 1998 Jim Wilson <wilson@cygnus.com>
2398 * dwarf2out.c (decl_scope_node): New type.
2399 (decl_scope_table): Change type to use it.
2400 (decl_scope_table_allocated, decl_scope_depth): Change type to int.
2401 (push_decl_scope): Use new type. New locals containing_scope, i.
2402 Add code to handle setting previous field.
2403 (scope_die_for): Change type of local i to int. Add code to use
2405 (dwarf2out_init): Use new type.
2407 1998-02-13 Jason Merrill <jason@yorick.cygnus.com>
2409 * except.c (emit_throw): Lose throw_used.
2411 Fri Feb 13 20:36:05 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2413 * sched.c (update_flow_info, REG_WAS_0): Ignore if setting insn
2415 * haifa-sched.c (update_flow_info, REG_WAS_0): Likewise.
2417 Fri Feb 13 12:18:40 1998 Jeffrey A Law (law@cygnus.com)
2419 * genextract.c (main): Fix typo.
2421 Fri Feb 13 08:41:49 1998 Robert Lipe <robertl@dgii.com>
2423 * c-lang.c (finish_file): Bracket declaration of static_ctors,
2426 * calls.c (expand_call): Bracket declaration of 'rtx_before_call',
2427 'old_stack_arg_under_construction'
2428 (emit_library_call): Bracket declaration of 'upper_bound',
2429 'lower_bound', 'i', 'reg_parm_stack_space'
2430 (emit_library_call_value): Likewise.
2433 * collect2.c: include <unistd.h> when appropriate.
2434 Bracket declaration of 'exportf' and 'full_real_ld_suffix'.
2436 * emit-rtl.c (prev_cc0_setter): Remove unused variable 'link'.
2438 * explow.c (plus_constant_for_output_wide): Remove unused variable
2440 (memory_address): Remove unused variable 'orig_x'.
2442 * genattrtab.c (make_canonical): Remove unreferenced label 'cond:'.
2443 (write_const_num_delay_slots): Remove unused variable 'i'.
2445 * genopinit.c (main): Remove unused variables 'dummy', 'insn_ptr'.
2446 (gen_insn): Remove unused variable 'obstack_ptr'.
2448 * libgcc2.c (__bb_exit_func): Remove unused variables 'ret',
2450 (__bb_exit_trace_func): Remove unused variable 'e'.
2452 * optabs.c (expand_binop): remove unused variables 'lhs', 'rhs',
2454 (expand_unop): Remove unused variable 'funexp'.
2455 (expand_complex_abs): Remove unused variable 'funexp'.
2456 (init_optabs): Bracket declaration of 'j'.
2457 (init_complex_libfuncs): Deleted. Dead static function.
2459 * profile.c (branch_prob): Remove unused variables 'insn', 'dest'.
2461 * reg-stack.c: Fix typo in proto for 'get_asm_operand_lengths'
2462 (reg_to_stack): 'initialized', 'before_function_beg'
2463 explictly type as ints instead of defaulting.
2464 (emit_swap_insn): Remove unused variable 'i2'.
2465 (compare_for_stack_reg): Remove unused variable 'src_note'.
2467 * rtlanal.c (computed_jump_p): Remove unused variable 'computed_jump'.
2469 * sched.c (actual_hazard): Bracket declaration of 'this_cost'.
2471 * stmt.c (add_case_node): Add parens for assignment used as truth.
2472 (all_cases_count): Remove unused variable 'count_high'.
2473 (mark_seen_cases): Remove unused variable 'i'.
2474 (check_for_full_enumeration_handling): Remove unused variable 't'.
2475 Bracket declaration of 'all_values', 'l'.
2477 * tlink.c: Include <stdlib.h>, <unistd.h>, <string.h>/<strings.h>.
2479 * varasm.c (assemble_string): Remove unused variable 'i'.
2480 (immed_double_const): Remove unused variable 'in_current_obstack'.
2481 (immed_real_const_1): Likewise.
2482 (output_constant_pool): Remove unreferenced label 'done'.
2483 (output_constant): Remove unused variable 'x'.
2485 * i386/i386.h (ENCODE_SECTION_INFO): TREE_PUBLIC is an int, not
2488 * i386/sco5.h (ASM_OUTPUT_ASCII): Add parens for assignment used
2491 Fri Feb 13 10:21:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2493 * combine.c (can_combine_p): Handle USEs in PARALLELs.
2495 Fri Feb 13 01:34:14 1998 H.J. Lu (hjl@gnu.org)
2497 * config/linux.h (LIB_SPEC): Add -lc for -shared if
2498 USE_GNULIBC_1 is not defined.
2499 * config/sparc/linux.h; Ditto.
2501 * config/sparc/linux64.h (LIB_SPEC): Add -lc for -shared.
2503 * config/alpha/linux-elf.h (LIB_SPEC): New. Defined if
2504 USE_GNULIBC_1 is not defined.
2506 Fri Feb 13 01:29:29 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
2508 * rs6000/sysv4.h (ENDFILE_SPEC): add missing %(endfile_linux)
2511 Fri Feb 13 01:23:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2513 * system.h: New file to get common systems includes and various
2514 definitions and declarations based on autoconf macros.
2516 Fri Feb 13 00:46:19 1998 Jeffrey A Law (law@cygnus.com)
2518 * cccp.c (new_include_prefix): Correctly handle -I./.
2520 Thu Feb 12 20:16:35 1998 Michael Meissner <meissner@cygnus.com>
2522 * rs6000.md: Replace gen_rtx (CONST_INT,...) with GEN_INT.
2524 Thu Feb 12 16:45:17 1998 Robert Lipe <robertl@dgii.com>
2526 * expr.c (expand_assignment): Correct typo exposed by -Wall.
2527 offset should have been a truth value, not an assignment.
2529 Thu Feb 12 15:26:50 1998 Jeffrey A Law (law@cygnus.com)
2531 * cse.c (delete_dead_from_cse): If a libcall produces a constant
2532 result and that result can be substituted into SET_SRC of the
2533 insn with the REG_RETVAL note, then perform the substitution
2534 and delete the libcall.
2536 Thu Feb 12 14:04:09 1998 Gavin Koch <gavin@cygnus.com>
2538 * mips.md (trucndihi2,truncdiqi2): Change these to support
2541 Thu Feb 12 11:34:55 1998 Gavin Koch <gavin@cygnus.com>
2543 * mips/mips.c (movdi_operand): Direct referances to symbols
2544 that arn't mips16 consts in mips16 mode arn't valid operands.
2546 * mips/mips.c (mips_move_2words): Add gprel handling.
2548 Thu Feb 12 11:18:37 1998 Gavin Koch <gavin@cygnus.com>
2550 * mips.md (extendsidi2): Allow extension to/from a non-mips16
2553 Thu Feb 12 00:04:16 1998 Marc Lehmann <pcg@goof.com>
2555 * i386.c: Conditionally include <stdlib.h>, <string.h>, and
2558 Wed Feb 11 11:43:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2560 * Makefile.in (WARN_CFLAGS): New variable.
2561 (bootstrap, bootstrap2, bootstrap3, bootstrap4): Use it.
2563 1998-02-11 Mark Mitchell <mmitchell@usa.net>
2565 * config/i386/i386.c (reg_mentioned_in_mem): Don't abort when
2566 falling through default case in switch.
2567 (i386_aligned_p): Likewise.
2569 Wed Feb 11 12:59:56 1998 Lee Iverson <leei@Canada.AI.SRI.COM>
2571 * mips/mips.h (mips_abi_string): Correct typo in comment.
2573 Wed Feb 11 08:29:56 1998 Gavin Koch <gavin@cygnus.com>
2575 * mips/mips.md (movdi): These PLUS's need to be Pmode.
2577 Wed Feb 11 01:47:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2579 * Makefile.in (dwarf2out.o, emit-rtl.o, jump.o, cse.o, unroll.o,
2580 reorg.o, regmove.o): Depend on insn-codes.h, it gets included
2581 indirectly via expr.h.
2583 Wed Feb 11 01:44:13 1998 Richard Henderson <rth@cygnus.com>
2585 * stor-layout.c (layout_type): Do upper - lower in the native type,
2586 so as to properly handle negative indices.
2588 Wed Feb 11 01:35:55 1998 Robert Lipe <robertl@dgii.com>
2590 * except.c (start_dynamic_cleanup): Remove unused variable 'dhc'.
2591 (expand_eh_region_start_tree): Remove unused variable 'note'.
2592 (exception_optimize): Remove unused variable 'regions'.
2593 (expand_builtin_eh_stub): Remove unused variable 'temp'.
2594 (copy_eh_entry): Deleted. Dead function.
2596 * expr.c (move_block_to_reg) Bracket declaration of 'pat' and
2597 'last' with same #if HAVE_load_multiple as use of it.
2598 (move_block_from_reg): Likewise.
2599 (emit_move_insn_1): Remove unused variable 'insns'.
2600 (store_constructor): Bracket declaration of startb, endb with
2601 #if TARGET_MEMFUNCTIONS. Remove unused variables 'set_word_size'
2602 'target', and 'xtarget'.
2603 (expand_builtin_setjmp): Remove unused variables 'op0',
2604 'next_arg_reg', 'old_inhibit_defer_pop'.
2605 (expand_builtin): Remove unused variable 'offset'.
2606 (do_store_flag): Remove unused variables 'pattern', 'jump_pat'.
2607 (emit_queue): Add parens for assignment used as conditional.
2608 (expand_expr): case TARGET_EXPR: Remove unused variable 'temp'.
2610 Wed Feb 11 01:30:49 1998 Marc Lehmann <pcg@goof.com>
2612 * i386.c: Added include for recog.h.
2613 (override_options): Removed unused variable p. Initialized regno to
2615 (order_regs_for_local_alloc): Initialized regno to avoid warning.
2616 (legitimize_address): Likewise for 'other'.
2617 (i386_aligned_reg_p): Added default case with abort ().
2618 (print_operand): Likewise.
2619 (reg_mentioned_in_mem): Likewise.
2620 (ix86_expand_binary_operator): Removed unused variables i & insn.
2621 (ix86_expand_unary_operator): Removed unused variable insn.
2622 (output_fp_cc0_set): Removed unused variable unordered_label.
2624 Wed Feb 11 01:23:03 1998 John F. Carr <jfc@mit.edu>
2626 * i386.c, i386.h, i386.md: Change gen_rtx (X, ...) to gen_rtx_X (...).
2627 Use GEN_INT instead of gen_rtx (CONST_INT). Make printf arguments
2628 and format string match.
2630 Wed Feb 11 01:17:39 1998 Jeffrey A Law (law@cygnus.com)
2632 * flow.c (life_analysis): Do not conside the stack pointer live at
2633 the end of a function if the fucntio ncalls alloca.
2634 (mark_used_regs): Similarly.
2636 1998-02-10 John F Carr <jfc@mit.edu>
2638 * config/sparc/sparc.md (movdi_v8plus): Output stx on alternative
2639 1, fzero on alternative 8.
2641 Tue Feb 10 09:02:19 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2643 * rs6000.c (setup_incoming_varargs): Always set rs6000_sysv_varargs_p.
2645 Tue Feb 10 03:35:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2647 * reload.c (find_reloads_toplev): Handle arbitrary non-paradoxical
2648 SUBREGs of CONST_INTs.
2650 Mon Feb 9 17:52:36 1998 John Carr <jfc@mit.edu>
2652 * mips.c (print_operand, function_prologue): Make printf format
2653 match argument type.
2655 Mon Feb 9 02:37:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2657 * alpha.c (alpha_return_addr): Remove unused variable `first'.
2658 (alpha_ra_ever_killed): Remove unused variables `ra' and `i'.
2659 (output_epilog): Remove unused variable `frame_size_from_reg_save'.
2661 Sun Feb 8 14:56:03 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2663 * loop.c (strength_reduce): When placing increment for auto-inc
2664 case, do comparison in loop order.
2666 Sun Feb 8 13:21:38 1998 John Carr <jfc@mit.edu>
2668 * bitmap.c (bitmap_debug_file): HOST_PTR_PRINTF converts a pointer,
2669 not a HOST_WIDE_INT.
2671 * calls.c (expand_call): Change test of expand_inline_function
2672 return value to stop compiler warning.
2674 * genattrtab.c (RTL_HASH): Cast pointer to long, not HOST_WIDE_INT.
2676 Sun Feb 8 12:04:24 1998 Jim Wilson (wilson@cygnus.com)
2677 Jeff Law (law@cygnus.com)
2679 * regmove.c: Fix various minor formatting problems.
2680 (optimize_reg_copy_1): Stop search at CALL_INSNs if flag_exceptions
2681 is true. Make end of basic block tests consistent through regmove.c.
2682 (optimize_reg_copy_2, optimize_reg_copy_3): Likewise.
2683 (fixup_match_2, fixup_match_1, regmove_optimize): Likewise.
2685 Sun Feb 8 01:49:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2687 * gansidecl.h: Check for a conflicting macro definition before
2688 attempting to prototype bcopy, bcmp or bzero.
2690 Sun Feb 8 00:09:59 1998 Jeffrey A Law (law@cygnus.com)
2692 * expr.c (clear_pending_stack_adjust): Handle case where a function
2693 calls alloca, but the user has specified -fomit-fframe-pointer.
2695 * function.c (assign_parms): Fix typo in last change.
2697 Sat Feb 7 23:54:29 1998 Robert Lipe <robertl@dgii.com>
2699 * gcc.c: Include <strings.h>/<string.h>, <stdlib.h>, <unistd.h>,
2701 (free_path_suffix): Remove unreferenced static function.
2702 (process_command): Remove unused variable temp.
2703 (default_arg): Remove unused variable i.
2704 (do_spec_1): Add parens for assignment used as truth value.
2706 (validate_all_switches): Likewise.
2707 (main): Remove unused variables i, first_time>
2709 * c-common.c: Include <stdlib.h> and <string.h>/<strings.h>.
2711 * calls.c (expand_call): Remove unused variables funtree,
2712 n_regs, and tmpmode.
2714 * dbxout.c, except.c: Include <string.h>/<strings.h>.
2716 * explow.c: (plus_constant_for_output_wide) Removed unused
2717 variable all_constant.
2719 * c-decl.c, genattr.c, genattrtab.c, getconfig.c, genemit.c
2720 genextract.c, genflags.c, genopinit.c genoutput.c, genpeep.c,
2721 genrecog.c, global.c, integrate.c , stupid.c : Include
2724 * genextract.c: (walk_rtx) Remove unused variable link.
2726 * genrecog.c: (concat) Remove unreferenced static function.
2728 * prefix.c: Include <string.h>/<strings.h>, <stdlib.h>
2730 * stmt.c: Include <stdlib.h>.
2731 (expand_asm_operands): Remove unused variable val1.
2732 (expand_return): Remove unused variable block.
2733 (pushcase): Remove unused variables l and n.
2734 (pushcaserange): Likewise.
2736 * unroll.c (unroll_loop): Remove unused variable temp.
2738 Sat Feb 7 23:46:09 1998 Greg McGary <gkm@gnu.org>
2740 * c-decl.c (pushdecl): Set DECL_ORIGINAL_TYPE once only.
2742 Sat Feb 7 15:11:28 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2744 * aclocal.m4 (GCC_FUNC_PRINTF_PTR): New macro to test the printf
2745 functions for whether they support the %p format specifier.
2746 * acconfig.h (HOST_PTR_PRINTF): Insert stub for autoconf.
2747 * configure.in (GCC_FUNC_PRINTF_PTR): Use it.
2748 * configure, config.in: Rebuild.
2750 Fri Feb 6 14:20:16 1998 Jim Wilson <wilson@cygnus.com>
2752 * function.c (assign_parms): New variable named_arg, with value
2753 depending on STRICT_ARGUMENT_NAMING. Use instead of ! last_named.
2755 Fri Feb 6 14:34:28 1998 Gavin Koch <gavin@cygnus.com>
2757 * mips/t-r3900: New - same as t-ecoff but eliminate
2758 multilibs: mips1 and mips3.
2759 * configure.in (tx39*): Use new mips/t-r3900.
2760 * configure: Rebuild.
2761 * mips/r3900.h (MULTILIB_DEFAULTS): Eliminate mips1.
2763 1998-02-06 Jason Merrill <jason@yorick.cygnus.com>
2765 * dwarf2out.c: Add old_args_size.
2766 (dwarf2out_args_size): Use it.
2767 (dwarf2out_begin_prologue): Initialize it.
2768 (dwarf2out_stack_adjust): If !asynchronous_exceptions, save up
2769 pushed args until we see a call.
2770 * final.c (final_scan_insn): Hand CALL_INSNs off to the dwarf2 code
2771 before outputting them.
2773 1998-02-06 Kriang Lerdsuwanakij <lerdsuwa@scf.usc.edu>
2775 * cplus-dem.c (demangle_template_template_parm): New function.
2776 (demangle_template): Handle template template parameters.
2778 1998-02-02 Mark Mitchell <mmitchell@usa.net>
2780 * calls.c (expand_call): Don't confuse member functions named
2781 realloc, setjmp, and so forth with the standard library
2782 functions of the same names.
2784 Thu Feb 5 21:59:49 1998 Jeffrey A Law (law@cygnus.com)
2786 * stmt.c (expand_asm_operands): Correctly identify asm statements
2789 Thu Feb 5 21:56:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
2791 * c-common.c (decl_attributes): Flag unrecognized attribute
2792 functions as warnings instead of as errors.
2794 1998-02-05 Marc Lehmann <pcg@goof.com>
2796 * integrate.c (INTEGRATE_THRESHOLD): Inline only small functions
2797 when -Os is specified.
2798 * toplev.c (main): Don't disable flag_inline_functions anymore when
2801 Fri Feb 6 00:27:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2803 * regmove.c: Update.
2804 * flags.h (flag_regmove): Declare.
2805 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Don't declare.
2806 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2):
2807 Moved into regmove; changed caller.
2808 * toplev.c (rest_of_compilation): Call regmove_optimize also for
2809 expensive_optimizations.
2811 Thu Feb 5 13:38:42 PST 1998 Jeff Law (law@cygnus.com)
2813 * version.c: Bump for snapshot.
2815 Thu Feb 5 01:45:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2816 Undo this change (the problem was actually in reload):
2817 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2819 * sh.md (movqi_i+1): New peephole.
2821 Tue Feb 3 01:11:12 1998 Jeffrey A Law (law@cygnus.com)
2823 * jump.c (jump_optimize): Lose calls to modified_in_p they are
2824 not needed anymore due to changes elsewhere in jump.c.
2826 * jump.c (jump_optimize): Fix first arg to modified_in_p in
2829 Mon Feb 2 19:18:14 1998 Richard Henderson <rth@cygnus.com>
2831 * expr.c (expand_builtin_setjmp): Accept two new arguments for
2832 the labels to branch to on first and subsequent executions. Don't
2833 play with __dummy. Rename `setjmp' insn to `builtin_setjmp_setup',
2834 and provide it with the jmp_buf. Use only one of
2835 `builtin_setjmp_receiver' or `nonlocal_goto_receiver',
2836 and provide the former with the target label.
2837 (expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp.
2838 (expand_builtin) [BUILTIN_LONGJMP]: Split out to ...
2839 (expand_builtin_longjmp): ... here. Recognize a `builtin_longjmp'
2840 insn to replace all of the normal nonlocal_goto code. Don't play
2841 with __dummy. Correct arguments to nonlocal_goto.
2842 * expr.h (expand_builtin_setjmp): Update prototype.
2843 * except.c (start_dynamic_handler): When using builtin_setjmp,
2844 generate more accurate flow information.
2846 * alpha.md (nonlocal_goto_receiver_osf): Delete.
2847 (nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver.
2848 (builtin_longjmp, builtin_setjmp_receiver): New.
2849 * sparc.md (update_return): Disambiguate unspec number.
2850 (nonlocal_goto): Rearrange arguments to match caller in except.c.
2851 (builtin_setjmp_setup): Rename from setjmp. Match and ignore the
2853 * mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove.
2854 (builtin_setjmp_setup*, builtin_longjmp): New.
2856 Mon Feb 2 16:43:10 1998 John Carr <jfc@mit.edu>
2858 * mips.md: Change gen_rtx (CONST_INT) to GEN_INT.
2860 Mon Feb 2 13:06:47 1998 Jim Wilson <wilson@cygnus.com>
2862 * vmsconfig.com: Remove bytecode references.
2864 1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2866 * dwarf2out.c (dwarf2out_frame_init): Undo last change, so that
2867 -fno-sjlj-exceptions works for a target that defines
2868 DWARF2_UNWIND_INFO as zero.
2870 * regmove.c (fixup_match_1): Undo last change which removed some
2871 "useless" code, and add a comment explaining this.
2873 Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com)
2875 * mips.c (mips_expand_prologue): Change uses of TARGET_64BIT
2878 Mon Feb 2 10:38:41 1998 Klaus Kaempf <kkaempf@progis.de>
2880 * makefile.vms: Remove bytecode references.
2881 Create genrtl files.
2883 Mon Feb 2 02:08:04 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
2885 * jump.c (jump_optimize): Allow conditional loading of floating point
2886 constants and constants from memory. Reinstalled modified_in_p tests.
2888 Mon Feb 2 01:38:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2890 * loop.c (get_condition): Handle sign-extended constants.
2892 Mon Feb 2 01:22:46 1998 Hans-Peter Nilsson <hp@axis.se>
2894 * expr.c (emit_push_insn): Add code to use movstrti if present.
2896 * expr.c (emit_push_insn): Use same max-move-amount for movstrhi
2897 and movstrqi as in emit_block_move ().
2899 Mon Feb 2 00:09:52 1998 Toon Moene <toon@moene.indiv.nluug.nl>
2901 * config/m68k/x-next: Remove /NextDeveloper/Headers from
2902 the directories to fixinclude - /usr/include is a link
2903 to it and hence its contents are fixed by default.
2905 Sun Feb 1 14:15:33 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
2907 * rs6000/linux.h: define JUMP_TABLES_IN_TEXT_SECTION
2909 Sun Feb 1 13:01:15 1998 Klaus Kaempf <kkaempf@progis.de>
2911 * cccp.c (main): Predefine __VMS_VER on VMS.
2913 Sun Feb 1 12:39:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2915 * expr.c (get_inner_reference): Use sbitsizetype for type sizes.
2916 * fold-const.c (size_int): Replace with
2918 (make_bit_field_ref): Use bitsize_int for bit position.
2919 * stor-layout.c (sizetype): Delete.
2920 (sizetype_tab, sbitsizetype, ubitsizetype): Declare.
2921 (layout_record, layout_union, layout_type):
2922 Use bitsize_int for bit size.
2923 (set_sizetype): New function.
2924 (make_signed_type, make_unsigned_type): Use it.
2925 * c-decl.c (init_decl_processing): Likewise.
2926 * tree.h (size_int): Don't delcare, #define.
2927 (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
2928 (set_sizetype): Declare.
2929 (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
2931 * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
2932 Convert result to sizetype.
2933 (really_start_incremental_init, push_init_level):
2934 Set type of constructor_bit_index to sbitsizetype.
2935 (push_init_level): Use unsigned arithmetic to determine padding.
2936 (output_init_element): Likewise.
2938 Sun Feb 1 03:32:07 1998 Jeffrey A Law (law@cygnus.com)
2940 * combine.c (simplify_shift_const): Fix typo in last change.
2942 Sun Feb 1 02:50:46 1998 John Carr <jfc@mit.edu>
2944 * combine.c (simplify_shift_const): (lshiftrt (truncate (lshiftrt)))
2945 is (truncate (lshiftrt)).
2947 Sun Feb 1 01:06:53 1998 Richard Henderson <rth@cygnus.com>
2949 * alpha.c (alpha_expand_unaligned_load): Use expand_binop properly.
2950 Make sure result winds up in TGT.
2951 (alpha_expand_unaligned_store): Use expand_binop properly. Allow
2952 src to be other than DImode.
2953 (alpha_expand_unaligned_load_words): Tidy. Take an offset argument.
2954 (alpha_expand_unaligned_store_words): Likewise.
2955 (alpha_expand_block_move): Use REGNO_POINTER_ALIGN. Restructure so
2956 that source and destination are separately optimized for alignment.
2957 (alpha_expand_block_clear): Use REGNO_POINTER_ALIGN.
2959 Sun Feb 1 01:55:09 1998 Jeffrey A Law (law@cygnus.com)
2961 * mips.md (adddi3_internal_2): Be consistent with adddi3 expander
2962 with handling of -32768.
2964 Sun Feb 1 01:48:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2966 * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a
2967 shell variable argument instead of only hard coded functions.
2968 (GCC_NEED_DECLARATIONS): New macro to accept multiple functions.
2970 * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one
2971 call. Collapse multiple calls to GCC_NEED_DECLARATION into one
2972 call to GCC_NEED_DECLARATIONS (new macro.) Check if we need
2973 declarations for bcopy, bcmp and bzero.
2975 * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations.
2977 * gansidecl.h: If we have bcopy but don't declare it, then do so.
2978 Likewise for bcmp and bzero. Only define macros for bcopy, bcmp,
2979 bzero, index and rindex if they aren't already present.
2981 Sat Jan 31 11:26:58 1998 Jeffrey A Law (law@cygnus.com)
2983 * toplev.c (close_dump_file): Wrap function prototype for
2984 argument "func" in PROTO.
2985 (dump_rtl): Likewise.
2987 Fri Jan 30 22:30:39 1998 John Carr <jfc@mit.edu>
2989 * sparc.c (sparc_override_options): Make v8plus and ultrasparc set
2991 (output_function_epilogue): Omit epilogue if nothing drops through.
2992 (output_move_double): Supress int ldd usage on ultrasparc and v9.
2993 (registers_ok_for_ldd_peep): Likewise.
2994 (print_operand): Supress b,a on ultrasparc. Let Y accept a constant.
2995 (ultrasparc_adjust_cost): New function.
2996 (sparc_issue_rate): New function.
2997 * sparc.h (MASK_VIS, TARGET_VIS): New
2998 (MASK_V8PLUS, TARGET_V8PLUS): New.
2999 (TARGET_HARD_MUL32, TARGET_HARD_MUL): New.
3000 (TARGET_SWITCHES): Add vis and v8plus.
3001 (REG_CLASS_FROM_LETTER): Accept d and b for VIS.
3002 (REGISTER_MOVE_COST): FP<->INT move cost 12 for ultrasparc.
3003 (RTX_COSTS): Use TARGET_HARD_MUL
3004 (ADJUST_COST): Call ultrasparc_adjust_cost.
3006 * sparc.md (attr type): Add sload, fpmove, fpcmove. Adjust users
3007 of load & fp appropritely.
3008 (supersparc function units): Adjust for Haifa.
3009 (ultrasparc function units): Likewise.
3010 (get_pc_via_rdpc): All v9, not just arch64.
3011 (movdi_v8plus, movdi_v8plus+1): New.
3012 (adddi3_sp32+1): New.
3013 (subdi3_sp32+1): New.
3014 (movsi_insn, movsf_const_insn, movdf_const_insn): Know VIS.
3015 (addsi3, subsi3, anddi3_sp32, andsi3, and_not_di_sp32): Likewise.
3016 (and_not_si, iordi3_sp32, iorsi3, or_not_di_sp32, or_not_si): Likewise.
3017 (xorsi3_sp32, xorsi3, xor_not_di_sp32, xor_not_si): Likewise.
3018 (one_cmpldi2_sp32, one_cmplsi2): Likewise.
3019 (ldd peepholes): Suppress for v9.
3020 (return_adddi): Kill redundant test. Arg1 may be arith_operand.
3021 (return_subsi): Revmove.
3023 Fri Jan 30 18:30:03 1998 John F Carr <jfc@mit.edu>
3025 * mips.c (save_restore_insns): Set RTX_UNCHANGING_P in register
3026 save/restore MEM rtl.
3028 Fri Jan 30 09:08:16 1998 Jeffrey A Law (law@cygnus.com)
3030 * configure.in: Check for declaration of abort.
3031 * acconfig.h: Corresponding changes.
3032 * toplev.c: Use NEED_DECLARATION_ABORT to determine if abort should
3035 Thu Jan 29 20:26:12 1998 Jeffrey A Law (law@cygnus.com)
3037 * genattrtab.c (optimize): Define in case PRESERVE_DEATH_INFO_REGNO_P
3040 Thu Jan 29 09:27:56 PST 1998 Jeff Law (law@cygnus.com)
3042 * version.c: Bump for snapshot.
3044 Thu Jan 29 10:12:27 1998 Jeffrey A Law (law@cygnus.com)
3046 * configure.in: Check for atoq and atoll.
3047 * rtl.c (read_rtx): Use HAVE_ATOLL and HAVE_ATOQ to select the
3048 proper routine for converting ascii into long long values.
3050 Thu Jan 29 01:28:14 1998 Klaus Kaempf <kkaempf@progis.de>
3052 * cccp.c (SYS$SEARCH, SYS$PARSE): Write as upper-case.
3054 * vmsconfig.com: Remove bytecode references.
3056 * alpha/vms.h (PREFIX): Define.
3058 * alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Remove.
3060 * am-alpha.h: Don't include alloca for OPEN_VMS.
3062 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define.
3064 * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define.
3065 (GCC_INCLUDE_DIR): Define
3067 * make-cc.com, make-cccp.com, make-cc1.com: Removed.
3068 * makefile.vms: New file.
3070 * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha.
3072 * alpha.c (output_prolog): Output '.name' directive
3073 for minimal traceback information.
3075 * alpha.c (output_prolog): Don't prepend entry point symbols
3076 with '$' on OPEN_VMS.
3078 Thu Jan 29 00:25:35 1998 David S. Miller <davem@tanya.rutgers.edu>
3079 Jeffrey A Law (law@cygnus.com)
3081 * rtl.c (read_rtx): Use atol/atoq based upon disposition of
3084 * genattrtab.c (write_test_expr): Use HOST_WIDE_INT_PRINT_DEC
3086 * genemit.c (gen_exp): Likewise.
3087 * genpeep.c (match_rtx): Likewise.
3088 * genrecog.c (write_tree_1): Likewise.
3090 * c-lex.c (yyprint): Use proper format string based upon
3091 disposition of HOST_BITS_PER_WIDE_INT.
3092 (yylex): Put casts in right place for args to build_int_2.
3094 Thu Jan 29 00:24:29 1998 Jeffrey A Law (law@cygnus.com)
3096 * combine.c: Fix typos in Jan27 changes.
3098 Thu Jan 29 00:07:49 1998 Ollivier Robert <roberto@keltia.freenix.fr>
3100 * i386/freebsd.h (LIB_SPEC): Correctly handle -shared, -p and friends.
3101 (LINK_SPEC): Likewise.
3102 (STARTFILE_SPEC): Likewise.
3104 1998-01-28 Mike Stump <mrs@wrs.com>
3106 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
3108 * genattrtab.c (reload_completed): Define.
3110 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete
3113 Wed Jan 28 20:11:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3115 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
3116 SUBREG_REG if the word count is unchanged, also in the input reload
3117 case. Disable non-applicable sanity checks.
3119 Wed Jan 28 20:08:26 1998 Jeffrey A Law (law@cygnus.com)
3121 * config/t-svr4 (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
3123 Wed Jan 28 20:04:43 1998 Ian Lance Taylor <ian@cygnus.com>
3125 * i386/t-cygwin32 (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
3127 Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com>
3129 * dbxout.c (dbxout_type): For a RECORD_TYPE, check that TYPE_BINFO
3130 is a TREE_VEC before trying to use it for baseclasses.
3131 (Chill uses the same field for a different purpose.)
3133 * toplev.c (strip_off_ending): Generalize to endings up to 5 chars.
3135 Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi>
3137 * config.sub: More accurate determination of HP processor types.
3139 Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3141 * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
3142 prototype for `handle_sysv_pragma', and make it static. Add
3143 parentheses around assignment used as truth value.
3145 * combine.c (combine_instructions): Protect variable `prev' with
3147 (can_combine_p): Protect variable `link' with AUTO_INC_DEC.
3148 (extract_left_shift): Add parentheses around operand of &.
3149 (merge_outer_ops): Avoid an empty body in an else-statement.
3150 (gen_rtx_combine): Remove unused variable `i'.
3152 * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
3153 function monstartup `void'. Likewise for internal_mcount. Add
3154 `static void' prototype for moncontrol. Reconcile sprintf format
3157 * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
3158 Make return type of function_arg_slotno explicitly `int'.
3159 (reg_unused_after): Add parentheses around assignment used as
3161 (save_regs): Add explicit braces to avoid ambiguous `else'.
3162 (function_arg_slotno): Add parentheses around && within ||.
3163 (function_arg_pass_by_reference): Likewise.
3164 (sparc_flat_output_function_prologue): Reconcile fprintf format
3167 * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
3168 assignment used as truth value.
3170 * cplus-dem.c: Include <stdlib.h>.
3171 (demangle_signature): Avoid an empty body in an else-statement.
3172 (do_type): Remove unused variable `lvl'.
3174 * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
3175 Include <string.h>/<strings.h>.
3176 (cpp_lex): Remove unused variable `namelen'.
3177 (cpp_lex): Explicitly declare `num_chars' as an int.
3179 * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
3180 <unistd.h> instead. Explicitly declare is_system_include
3182 (make_assertion): Remove unused variable `kt'.
3183 (cpp_expand_to_buffer): Hide variable `obuf'.
3184 (output_line_command): Remove unused variables, `line_end',
3185 `line_cmd_buf' and `len'.
3186 (macarg): Remove unused variable `arg_start'.
3187 (special_symbol): Remove unused variable `i'. Add parentheses
3188 around assignment used as truth value.
3189 (do_include): Remove unused variables `pcfname' and `retried',
3190 hide `pcf' and `pcfbuflimit'.
3191 (do_line): Remove unused variable `i'.
3192 (finclude): Hide variable `missing_newline'.
3193 (cpp_handle_options): Remove unused variable `j'.
3194 (read_token_list): Remove unused variable `eofp'.
3195 (cpp_error_with_line): Remove unused variable `i'.
3196 (cpp_warning_with_line): Likewise.
3197 (cpp_pedwarn_with_line): Explicitly declare `column' as int.
3198 (cpp_error_from_errno): Remove unused variable `i'.
3200 * cse.c (invalidate): Add parentheses around assignment used as
3202 (find_best_addr): Move declaration of variable `our_cost' inside
3203 the conditional macro where its used.
3204 (fold_rtx): Avoid an empty body in an if-statement.
3205 (cse_insn): Wrap variables `this_insn_cc0_mode' and
3206 `this_insn_cc0' in macro HAVE_cc0.
3208 * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
3209 (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
3210 (output_uleb128): Likewise.
3211 (output_sleb128): Likewise.
3212 (output_cfi): Likewise.
3213 (output_call_frame_info): Remove unused variables `j', `fde_size'
3215 (comp_unit_has_inlines): Hide declaration as per rest of file.
3216 (size_of_line_prolog): Correct typo in prototype.
3217 (add_arange): Likewise.
3218 (output_aranges): Likewise.
3219 (add_name_and_src_coords_attributes): Likewise.
3220 (gen_array_type_die): Likewise.
3221 (gen_inlined_subroutine_die): Likewise.
3222 (equate_decl_number_to_die): Remove unused variable `i'.
3223 (print_die): Reconcile format vs. args in fprintf's.
3224 (print_dwarf_line_table): Likewise.
3225 (output_die): Likewise.
3226 (output_line_info): Likewise.
3227 (add_subscript_info): Avoid an empty body in an else-statement.
3228 (gen_subprogram_die): Remove unused variable `fp_loc'.
3230 * dwarfout.c: Explicitly declare `next_pubname_number' as int.
3231 Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
3232 macro. Protect `src_coords_attribute' prototype with
3233 DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
3234 prototype as in the rest of the file. Likewise for
3235 `output_pointer_type_die' and `output_reference_type_die'. Remove
3236 prototype for `type_of_for_scope'.
3237 (output_unsigned_leb128): Reconcile format vs. args in fprintf.
3238 (type_attribute): Add explicit braces to avoid ambiguous `else'.
3240 * final.c: Include <stdlib.h> and <string.h>/<strings.h>.
3241 (shorten_branches): Protect declaration of tmp_length with
3242 SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
3243 (profile_function): Protect declaration of `sval' and `cxt'
3244 variables with appropriate macros.
3245 (final_scan_insn): Likewise for `note' variable. Add explicit
3246 braces to avoid empty body in an if-statement.
3247 (output_asm_insn): Move variable `i' inside macro conditional
3248 where it is used. Add parentheses around assignment used as truth
3250 (asm_fprintf) Likewise, likewise.
3252 * fix-header.c (main): Remove unused variable `done'. Protect
3253 declaration of `i' with FIXPROTO_IGNORE_LIST.
3255 * pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
3257 * print-rtl.c (print_inline_rtx): Explicitly declare the parameter
3260 * profile.c: Include <string.h>/<strings.h>.
3261 (instrument_arcs): Remove unused variables `note', `inverted',
3262 `zero' and `neg_one'.
3263 (branch_prob): Avoid empty body in an if-statement.
3265 * regclass.c: Include <stdlib.h>.
3266 (reg_alternate_class): Explicitly declare parameter `regno'.
3268 * regmove.c (regmove_optimize): Remove unused variable `p'. Add
3269 parentheses around assignment used as truth value.
3270 (find_matches): Remove unused variables `output_operand' and
3272 (fixup_match_1): Remove statement with no effect: "if (0) ;".
3274 * scan.c (sstring_append): Explicitly declare `count' as int.
3275 (scan_string): Explicitly declare parameter `init' as int.
3277 * sched.c: Include <stdlib.h>.
3278 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
3279 (rank_for_schedule): Add parentheses around assignment used as
3281 (schedule_block): Likewise.
3282 (regno_use_in): Likewise.
3283 (schedule_insns): Remove unused variable `i'.
3285 * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
3286 (v_message_with_decl): Remove unused variable `n'.
3287 (botch): Explicitly declare parameter `s' as char *.
3288 (main): Add parentheses around assignment used as truth value.
3290 * tree.c (make_node): Protect the variable `kind' with the
3291 GATHER_STATISTICS macro.
3292 (real_value_from_int_cst): Move variable `e' inside conditional
3293 macro area where it is used.
3294 (tree_last): Add parentheses around assignment used as truth value.
3295 (build1): Protect the variable `kind' with the GATHER_STATISTICS
3297 (print_obstack_statistics): Reconcile format vs. args in fprintf.
3298 Protect variables `i', `total_nodes', and `total_bytes' with the
3299 GATHER_STATISTICS macro.
3301 Tue Jan 27 23:01:55 1998 Mike Stump (mrs@wrs.com)
3303 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add
3304 some comments regarding use of dead_or_set_p.
3306 Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com>
3308 * fixincludes: Tweak fix for struct exception in math.h
3310 Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com)
3312 * mips/mips.c (mips_expand_prologue,mips_expand_epilogue):
3313 Change mode of registers used to add/sub from
3314 hard_frame_pointer_rtx from word_mode to Pmode.
3316 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
3318 * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use
3319 asm_output_aligned_bss() instead of asm_output_bss().
3321 * toplev.c (rest_of_compilation): Replace references to
3322 stack_reg_dump_file and dbr_sched_dump_file with references to
3325 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
3327 * tlink.c (scan_linker_output): Call fclose() for opened files.
3329 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
3331 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
3332 compiling with -fpic -- we want to be able to override symbols
3334 (alpha_expand_block_move): Fix thinko in last change.
3336 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
3337 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
3338 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
3340 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
3342 * alpha.md (abssf, absdf): Revert last change.
3344 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
3346 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
3347 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
3349 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
3351 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
3352 a CONST_INT into SFmode.
3354 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
3356 * flags.h: New flag (optimize_size).
3357 * toplev.c (main): Parse -Os option and set optimize_space
3359 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
3360 __OPTIMIZE_SIZE__ when compiling with -Os.
3361 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
3362 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
3363 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
3365 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
3367 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
3369 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
3370 stuff only if MCT_TEXT is #define'd.
3372 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
3374 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
3377 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
3379 * toplev.c: Add -dM command line option to dump RTL after the
3380 machine dependent reorganisation pass, if there is one.
3381 Reorganise RTL dump code, so that only one file handle is
3384 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
3386 * except.c (check_exception_handler_labels): Disable warning when
3389 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
3391 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
3393 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3395 * c-decl.c (grokdeclarator): Get parameter tags from
3396 last_function_parm_tags.
3397 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
3398 traversing the parameter types.
3399 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
3401 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
3403 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
3405 (get_shift_alg): Fix typo.
3407 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
3409 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
3411 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
3413 * toplev.c (get_run_time): Make sure each case gets its variables.
3415 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
3417 * configure.in (build_xm_file): Add auto-config.h if host=build.
3418 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
3419 (build_xm_file_list): Likewise.
3420 * configure: Rebuild.
3422 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
3424 * recog.c (validate_replace_rtx_1): Only perform substitutions
3425 of arguments to commutative and comparison operators once.
3427 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3429 * sparc.c (output_cbranch): Add default case in
3432 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
3433 (emit_delay_sequence): Eliminate unused parameter, all callers
3435 (fill_simple_delay_slots): Likewise.
3436 (fill_slots_from_thread): Likewise.
3437 (fill_eager_delay_slots): Likewise.
3438 (mark_referenced_resources): Add default case in enumeration switch.
3439 (mark_set_resources): Likewise.
3440 (rare_destination): Likewise.
3441 (mostly_true_jump): Likewise.
3442 (find_dead_or_set_registers): Likewise.
3443 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
3444 (update_reg_unused_notes): Remove unused variable `p'.
3445 (mark_target_live_regs): Remove unused variables `next' and
3447 (fill_simple_delay_slots): Remove unused variable `j'.
3448 (fill_slots_from_thread): Add parentheses around assignment used
3450 (dbr_schedule): Likewise.
3452 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
3453 (objc.stage2, objc.stage3, objc.stage4): Likewise.
3455 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
3457 * cse.c (simplify_ternary_operation): Don't try to simplify
3458 IF_THEN_ELSE expressions (created by combine) that don't use
3459 relational operators.
3461 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
3463 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
3466 * crtstuff.c (init_dummy): Keep the epilogue in the init
3467 section for non-ELF systems.
3469 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3471 * sh.md (movqi_i+1): New peephole.
3473 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
3475 * Makefile.in: Remove remaining bytecode stuff.
3476 * emit-rtl.c, expr.c: Likewise.
3478 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
3480 * toplev.c (lang_options): Add unknown-pragma options.
3482 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
3484 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
3485 special (and incomplete) handling for Chill arrays.
3487 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
3489 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
3492 Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com)
3494 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
3496 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
3498 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
3499 .frame directive instead of FRAME_POINTER_REGNUM.
3501 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
3503 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
3504 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
3505 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
3506 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
3507 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
3508 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
3509 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
3510 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
3512 * longlong.h: Replace __mc68332__ with __mcpu32__.
3514 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
3516 * version.c: Bump for snapshot.
3518 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
3520 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
3521 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
3522 * reload1.c (eliminate_regs): Likewise.
3524 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
3526 * regmove.c (find_matches): Initialize matches->earlyclobber too.
3528 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
3530 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
3531 (negsf2, negdf2): Use proper subtract in IEEE mode.
3533 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
3535 * Makefile.in: Remove more bytecode stuff.
3536 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
3537 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
3538 * f/install.texi, objc/Make-lang.in: Likewise.
3540 * Makefile.in: Remove all bytecode support.
3541 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
3542 * emit-rtl.c: Remove all bytecode support.
3543 * expr.c, expr.h function.c, integrate.c: Likewise.
3544 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
3545 * tree.h, varasm.c: Likewise.
3546 * config/m68k/m68k.h: Likewise.
3547 * bi-*, bc-*, bytecode*: Delete bytecode related files.
3548 * modemap.def: Likewise.
3550 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
3552 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
3553 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
3555 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
3557 * i386.md (push): Prohibit symbolic constants if flag_pic.
3558 (movsi+1): Likewise for move to non-register.
3560 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
3562 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
3563 (print_operand): Handle 0xffffffff on 32 bit host.
3565 * configure.in (thread_file): Rename uses before main loop to
3566 target_thread_file. Initialize to empty in main loop. Set thread_file
3567 to target_thread_file after main loop if not set.
3568 * configure: Rebuild.
3570 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
3571 (add_values_to_cover): Revert last change (which had no ChangeLog
3573 (simplify_with_current_value_aux): Handle CONST_INT.
3575 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3577 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
3579 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
3581 * configure.in: Add cpp stringify test.
3582 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
3583 * gengenrtl.c: Use it.
3584 * configure, config.in: Rebuild.
3586 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3588 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
3590 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
3592 * configure.in: Find declaration for sbrk.
3593 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
3594 * config.in, configure: Rebuild.
3595 * mips-tfile.c: Properly protect declaration of sbrk and free.
3596 * toplev.c: Properly protect declaration of sbrk.
3598 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
3600 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
3602 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
3604 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
3606 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
3608 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
3610 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
3612 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
3613 constant offset computations from objects with known alignment in
3614 the presence of STACK_BIAS.
3616 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
3618 (const_hash): Hash val is unsigned long.
3619 (SYMHASH): Likewise.
3621 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
3623 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
3624 char pointer, not HOST_WIDE_INT.
3625 (print_node): Likewise. Also hash is unsigned long not
3628 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
3630 * explow.c (optimize_save_area_alloca): New function for targets
3631 where SETJMP_VIA_SAVE_AREA is true.
3632 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
3633 compute the amount of stack space needed should we find later that
3634 setjmp is never called by this function, stuff rtl for this inside
3635 a REG_NOTE of the final SET of stack_pointer_rtx.
3636 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
3637 current_function_calls_alloca, call optimize_save_area_alloca.
3639 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
3641 * i386.md: Remove redundant integer push patterns.
3642 Don't bother checking for TARGET_PUSH_MEMORY when
3643 pushing constants or registers.
3645 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
3646 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
3648 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
3649 (pwait): New function for mingw32.
3651 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
3652 pipe support is broken for now.
3654 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
3656 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
3657 between frame_pointer_rtx, hard_frame_pointer_rtx, and
3658 arg_pointer_rtx is respected in initialization.
3659 (init_emit_once): Use gen_rtx_raw_REG() to create
3660 return_address_pointer_rtx.
3662 * reorg.c: #include "expr.h" for rtx prototypes.
3663 * Makefile.in (reorg.o): Depend on expr.h
3665 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
3667 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
3668 local_prefix to sub-make invocations.
3670 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
3672 * objc-parse.c: Recognize protocol qualifiers in class definitions.
3674 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
3678 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
3679 * configure.in: Check for atol.
3680 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
3682 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
3684 * loop.c (find_and_verify_loops): When attempting to move insns from
3685 inside the loop outside the loop, create a BARRIER if no suitable
3688 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
3689 favor of an equivalent change from gcc-2.8.
3691 * i386/x-sco5 (CC): Remove trailing whitespace.
3693 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3695 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
3696 (accessor_from_format): Likewise.
3697 (xmalloc): New function for use when linking with alloca.o.
3699 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
3701 * frame.c (find_fde): Correct FDE's upper bound.
3703 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
3705 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
3707 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
3709 * calls.c (expand_call): Move #ifdef code out of macro argument
3711 (emit_library_call, emit_library_call_value): Likewise.
3713 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
3715 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
3717 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
3719 * version.c: Bump for snapshot.
3721 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
3723 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
3724 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
3725 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
3726 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
3727 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
3728 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
3729 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
3730 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
3731 * unroll.c, varasm.c: Likewise.
3732 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
3734 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
3736 * mips.h: Fix some type-o's from a previous change.
3738 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
3740 * loop.c (check_dbra_loop): Make sure initial value is a
3741 CONST_INT before trying to normalize it.
3743 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
3745 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
3747 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
3749 * cppexp.c: Include gansidecl.h
3751 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
3753 * svr4.h (LINK_SPEC): Never specify -h.
3754 * ptx4.h (LINK_SPEC): Likewise.
3755 * rs6000/sysv4.h (LINK_SPEC): Likewise.
3756 * sparc/sol2.h (LINK_SPEC): Likewise.
3758 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
3760 * c-typeck.c (comptypes): Exit early on NULL input.
3762 * haifa-sched.c (schedule_insns): Correctly remove inter-block
3763 dependencies after reload.
3765 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
3767 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
3769 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
3771 * alpha/vms.h (DIR_SEPARATOR): define
3773 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
3775 * Makefile.in (stamp-proto): Remove.
3776 (protoize.o, unprotoize.o): Straightforward compile.
3777 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
3779 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
3781 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
3782 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
3784 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
3786 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
3787 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
3788 * sparc/netbsd.h, vax/netbsd.h: Likewise.
3790 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
3792 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
3794 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
3796 * configure.in (target_cpu_default, target_cpu_default2): Use double
3797 quotes around them when testing their value.
3798 * configure: Rebuilt.
3800 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
3802 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
3804 (gendef): Call obstack_alloc_rtx.
3806 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
3808 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
3811 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
3813 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
3814 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
3815 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
3817 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
3819 * mips.md (return_internal): Change mode from SImode to VOIDmode.
3821 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
3823 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
3826 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
3828 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
3829 suffix from operand 3.
3831 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3832 Jeffrey A Law (law@cygnus.com)
3834 * regmove.c: New implementation of regmove pass.
3835 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
3836 decls, make them have external linkage. Return a value from
3837 optimize_reg_copy_1.
3838 * reload.h (count_occurrences): Add decl.
3839 * reload1.c (count_occurrences): Delete decl, make it have external
3841 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
3843 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
3845 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
3846 if it is not defined.
3848 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
3850 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
3851 * emit-rtl.c (gen_rtx): Move special code to ...
3852 (gen_rtx_CONST_INT): New function.
3853 (gen_rtx_REG): New function.
3854 (*): Update all calls to gen_rtx.
3855 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
3856 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
3857 (GEN_INT): Call gen_rtx_CONST_INT.
3858 * gengenrtl.c: New file.
3860 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
3862 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
3863 (base_alias_check): If no base found for address call canon_rtx and
3866 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
3868 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
3869 arguments for mips16.
3870 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
3871 Don't lose if tsize is zero after handling large stack for mips16.
3872 * mips.md (return): For trivial return, return address is in $31.
3874 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
3876 * mips/mips16.S: Various changes to make it work with -msingle-float
3879 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
3880 Ian Lance Taylor <ian@cygnus.com>
3881 Jeff Law <law@cygnus.com>
3883 * mips.c, mips.h, mips.md: First cut at merging in mips16
3884 support. Major modifications throughout all three files.
3886 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
3888 * configure.in: Make gthr-default.h a forwarding header instead of
3891 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3893 * gcov-io.h: Include sys/types.h to ensure we get size_t.
3895 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
3897 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
3898 Jeffrey A Law (law@cygnus.com)
3900 * crtstuff.c (__frame_dummy): New function for irix6.
3901 (__do_global_ctors): Call __frame_dummy for irix6.
3902 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
3904 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
3906 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
3908 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
3910 * c-decl.c (init_decl_processing): Provide proper fallback symbol
3911 for __builtin_memset.
3912 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
3913 not INTEGER_CST. Assert arg 3 is a constant.
3915 * alpha.c (mode_width_operand): Accept 64-bit modes.
3916 (mode_mask_operand): Likewise.
3917 (print_operand): Likewise for 'M' and 'U' codes.
3918 (alpha_expand_unaligned_load): New function.
3919 (alpha_expand_unaligned_store): Likewise.
3920 (alpha_expand_unaligned_load_words): Likewise.
3921 (alpha_expand_unaligned_store_words): Likewise.
3922 (alpha_expand_block_move): Likewise.
3923 (alpha_expand_block_clear): Likewise.
3924 * alpha.h (MOVE_RATIO): New define.
3925 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
3926 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
3928 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
3929 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
3931 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
3933 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
3934 * configure: Update.
3936 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
3938 * emit-rtl.c (operand_subword): Correctly handle extracting a word
3939 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
3941 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
3944 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
3946 * configure.in: Set and subsitute host_exeext. Use it when creating
3947 the assembler and linker symlinks.
3948 * configure: Rebuild.
3949 * Makefile.in (exeext): Set to @host_exeext@.
3950 (build_exeext): New variable, set to @build_exeext@.
3951 (FLAGS_TO_PASS): Pass down build_exeext.
3952 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
3955 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
3957 * mn10200.md (addsi3, subsi3): Fix thinkos.
3959 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
3961 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
3962 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
3963 unix always, since we want to be able to thunk to functions in a
3964 shared library from an application.
3966 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
3968 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
3969 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
3971 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
3973 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
3974 offset's mode is not ptr_mode, convert it.
3976 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
3978 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
3979 compiling if it was already defined.
3981 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
3983 * flow.c (find_basic_blocks): Don't create a new basic block
3984 for calls in a LIBCALL block.
3986 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
3988 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
3990 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
3992 * cse.c (rtx_cost): Remove conflicting default case.
3994 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
3996 * configure.in: Move default enabling of Haifa out of for loop.
3997 * configure: Rebuild.
3999 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
4001 * version.c: Bump for snapshot.
4003 1997-12-25 Teemu Torma <tot@trema.com>
4005 * Makefile.in (GTHREAD_FLAGS): New var.
4006 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
4007 (distclean): Remove gthr-default.h.
4009 * configure.in: Accept dce as a thread package.
4010 Check for thread.h and pthread.h.
4011 Link gthr-default.h to appropriate thread file and set
4013 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
4014 include multilib definitions from pa/t-dce-thr.
4015 (sparc-*-solaris2*): Enable threads by default, if thread.h or
4016 pthread.h is found, preferring posix threads over solaris ones.
4018 * config/pa/t-dce-thr: New file.
4019 * config/pa/t-pa: Removed multilibs.
4020 * config/sparc/t-sol2: Ditto.
4023 * gthr-single.h: New file.
4024 * gthr-posix.h: New file.
4025 * gthr-solaris.h: New file.
4026 * gthr-dce.h: New file.
4027 * libgcc-thr.h: Removed.
4028 * objc/thr-dce.c: New file copied from thr-decosf1.c.
4030 * frame.c: Include gthr.h instead of libgcc-thr.h.
4031 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
4032 (eh_context_initialize): If __gthread_once fails, use static eh
4034 (eh_context_free): Call __gthread_key_dtor.
4036 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
4038 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
4040 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
4042 * cse.c (max_insn_uid): New variable.
4043 (cse_around_loop): Use max_insn_uid.
4044 (cse_main): Set max_insn_uid.
4046 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
4047 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
4048 -mlong64, and -mgp{32,64} options.
4049 * mips.c (mips_abi): Change type to int.
4050 * mips.h (enum mips_abi_type): Delete.
4051 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
4052 (mips_abi): Change type to int.
4054 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
4056 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
4057 optimization is now always enabled.
4059 * calls.c (expand_call): Recognize C++ operator new as malloc-like
4062 * alias.c (memrefs_conflict_p): Eliminate tests now done by
4064 (*_dependence): Call canon_rtx before base_alias_check.
4065 (init_alias_once): New function to precompute set of registers which
4066 can hold Pmode function arguments.
4068 * rtl.h: Declare init_alias_once.
4070 * toplev.c (compile_file): Call init_alias_once.
4072 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
4074 * tree.c (restore_tree_status): Do not dereference a null pointer.
4076 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
4078 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
4079 RLIMIT_STACK. This maintains consistency with the recent, similar
4080 patch to cccp.c and toplev.c.
4082 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
4084 * genattrtab.c (expand_units): For large nr opclasses, expand
4085 function_units_used with ORX to prevent blowups. Tag with FFS.
4086 (num_unit_opclasses): New variable.
4087 (gen_unit): Update it.
4088 (enum operator): Add ORX_OP.
4089 (operate_exp): Treat ORX as or, except don't expand across an if.
4090 Reuse number rtx's after operating on them.
4091 (check_attr_value): Accept IOR, AND, & FFS.
4092 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
4093 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
4094 (write_expr_attr_cache, write_toplevel_expr): New functions.
4095 (write_attr_get): Handle FFS-tagged expressions.
4096 (make_canonical): Don't expand const attributes.
4097 (convert_const_symbol_ref): Dike out.
4098 (evaluate_eq_attr): Handle SYMBOL_REF.
4099 (main): Don't emit get_attr_foo for const attributes.
4101 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
4102 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
4103 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
4104 * alpha.md: Redo all of the scheduling, adding EV6 support, and
4105 combining function units where possible.
4106 (attr "type"): Split loads, stores, cmov into int/fp. Combine
4107 multiplies and divides. Add EV6 sqrt, ftoi, itof.
4108 (attr "opsize"): New attribute.
4109 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
4110 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
4111 to control register allocation.
4112 (movsi2-1, movdi2-1): Likewise.
4114 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
4116 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
4117 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
4118 Move OSF/1 specific defines out.
4119 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
4120 Move Linux specific defines out.
4121 (LINK_SPEC): Genericize.
4122 (ASM_FILE_START): Emit .arch if using more than the base insn set.
4123 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
4124 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
4125 (HANDLE_SYSV_PRAGMA): Define.
4126 * alpha/osf.h: New file.
4127 * alpha/linux.h: Split. Retain file-format independant defines.
4128 Import Linux bits from elf.h.
4129 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
4130 (FUNCTION_PROFILER): _mcount takes its address in $28.
4131 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
4132 * alpha/linux-ecoff.h: New file.
4133 * alpha/linux-elf.h: New file.
4134 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
4135 * alpha/win-nt.h (TARGET_DEFAULT): Define.
4136 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
4137 Add new headers as appropriate.
4139 * configure.in (alpha*): Enable Haifa by default.
4140 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
4141 * configure: Rebuild.
4143 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
4145 * Makefile.in (clean): Remove the stages with their objects here ...
4146 (distclean): ... instead of here.
4148 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4150 * cse.c (rtx_cost): Add default case in enumeration switch.
4151 * fix-header.c (recognized_macro): Likewise.
4152 (recognized_extern): Likewise.
4153 (write_rbrac): Likewise.
4154 * objc/objc-act.c (encode_aggregate): Likewise.
4155 (gen_declarator): Likewise.
4156 (gen_declspecs): Likewise.
4158 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
4160 * haifa-sched.c (create_reg_dead_note): Detect and handle another
4161 case where we kill more regs after sched than were killed before
4163 * sched.c (create_reg_dead_note): Similarly.
4165 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
4167 * c-pragma.c: Include flags.h.
4169 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
4171 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
4172 about system headers.
4173 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
4174 and also to resolve symbols in prefix.c.
4176 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
4177 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
4178 when the definitions in auto-config.h is not visible.
4179 (HAVE_BZERO): Likewise.
4180 (HAVE_BCMP): Likewise.
4181 (HAVE_RINDEX): Likewise.
4182 (HAVE_INDEX): Likewise.
4184 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
4186 * pa.c (emit_move_sequence): Handle a function label source
4189 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
4191 * c-pragma.c (handle_pragma_token): Generate warning messages
4192 about unknown pragmas if warn_unknown_pragmas is set.
4194 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
4195 line option to set variable: warn_unknown_pragmas.
4197 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
4199 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
4201 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
4203 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
4205 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
4206 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
4207 generate more fine grained floating point emulation libraries.
4208 * config/fp-bit.c: Add protecting #ifdef to all functions so
4209 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
4210 then compile all suitable functions.
4211 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
4212 underscores to avoid namespace pollution.
4213 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
4215 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
4219 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4220 Jeff Law <law@cygnus.com>
4222 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
4224 * c-decl.c (finish_decl): Use parentheses around && within ||.
4225 * rtl.c: Include stdlib.h.
4226 (read_skip_spaces): Add parentheses around assignments used as
4228 (read_rtx): Initialize list_rtx.
4229 * cppexp.c (parse_number): Use || when operands are truth values.
4230 * alias.c (find_base_value): Add default case.
4231 (memrefs_conflict): Likewise.
4232 * combine.c (sets_function_arg_p): Likewise.
4233 * genemit.c (gen_exp): Likewise.
4234 * local-alloc.c (contains_replace_regs): Likewise.
4235 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
4236 * fold-const.c (fold_convert): Use "&&" for truth values.
4237 (fold): Add default case.
4238 * sdbout.c (sdbout_field_types): Fix typo in declaration.
4239 (sdbout_one_type): Add default case.
4240 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
4241 (some_operand): Add default case.
4242 (input_operand): Likewise.
4243 (signed_comparison_operator): Likewise.
4244 (divmod_operator): Likewise.
4245 (alpha_set_memflags_1): Likewise.
4246 * reload1.c (reload_cse_simplify_operands): Ensure function
4247 always returns a value.
4248 * scan-decls.c (scan_decls): Likewise.
4249 * c-lex.c (skip_white_space): Fix typo in declaraion.
4250 * c-typeck.c (comp_target_types): Add parentheses around assignment
4251 used as truth value.
4252 (print_spelling): Likewise.
4253 (constructor_implicit, constructor_result): Remove unused variables.
4254 * collect2.c (scan_library): Protect prototype with
4255 #ifdef SCAN_LIBRARIES.
4256 * emit-rtl.c (find_line_note): Fix typo in declaration.
4257 * final.c (asm_insn_count): Protect prototype with
4258 #ifdef HAVE_ATTR_length.
4259 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
4260 (try_pre_increment_1, try_pre_increment): Likewise.
4261 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
4262 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
4263 * gcov-io.h (__store_long, __write_long, __read_long): Fix
4264 unsigned/signed comparisons.
4265 * gcov.c (read_files): Remove unused "first_type" variable.
4266 (scan _for_source_files): Initialize s_ptr.
4267 (function_summary): Eliminate "%lf" formatting, use %ld for
4269 (output_data): Initialize branch_probs and last_line_num.
4270 Eliminate "%lf" formatting, use "%ld" for longs.
4272 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
4274 * mips16.S: New file.
4276 * libgcc2.c (varargs): Handle mips16.
4278 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
4280 * stmt.c (expand_end_case): Likewise.
4281 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
4282 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
4283 * rs6000.h, sh.h, tahoe.h, v850.h, vax.h: Likewise.
4285 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4287 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
4288 the build directory.
4289 (libobjc.a): Update dependency list.
4290 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
4292 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
4293 (objc.mostlyclean): Remove runtime-info.h.
4295 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
4297 * tree.c (build_range_type): Allow creation of ranges with no maximum.
4298 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
4299 * dwarf2out.c (add_subscript_info): Likewise.
4300 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
4301 * sdbout.c (plain_type_1): Likewise.
4302 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
4304 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
4307 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4309 * mips.c (fatal): Remove declaration.
4311 1997-12-18 Mark Mitchell <mmitchell@usa.net>
4313 * integrate.c (get_label_from_map): New function.
4314 (expand_inline_function): Use it. Initialize the label_map to
4315 NULL_RTX instead of gen_label_rtx.
4316 (copy_rtx_and_substitute): Use get_label_from_map.
4317 * integrate.h (get_label_from_map): New function.
4318 (set_label_from_map): New macro.
4319 * unroll.c (unroll_loop): Use them.
4320 (copy_loop_body): Ditto.
4322 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
4324 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
4325 (INIT_TARGET_OPTABS): Define.
4326 * mips/ecoff.h: Include gofast.h before mips.h.
4327 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
4328 * mips/elf64.h: Likewise.
4329 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
4331 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
4333 * except.c: Remove register_exception_table{,_p}.
4335 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
4337 * unroll.c (calculate_giv_inc): Handle constant increment found in
4338 a MEM with an appropriate REG_EQUAL note.
4340 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
4342 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
4343 frame pointer in the prologue.
4345 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
4347 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
4348 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
4350 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
4352 * config/m68k/m68k.c (output_function_prologue): Typecast
4353 dwarf2out_cfi_label to (char *).
4354 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
4356 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
4358 * sparc.md (jump): Don't use the annul bit around an empty loop.
4359 Patch from Kevin.Kelly@East.Sun.COM.
4361 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
4363 * jump.c: (jump_optimize): Don't use the return register as a
4364 source1 of a conditional move.
4366 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
4368 * sparc.c (DF_MODES): Or the mask not the bit number.
4369 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
4371 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
4373 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
4375 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
4377 * fixincludes (size_t): Add support for Motorola's stdlib.h
4378 which fails to provide a definition for size_t.
4379 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
4380 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
4381 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
4383 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
4384 prevent unresolved externals in libio.
4385 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
4387 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
4389 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
4390 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
4391 (LIB_SPEC): Updated for glibc 2.
4393 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
4395 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
4396 * ginclude/varargs.h: Likewise.
4398 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
4400 * version.c: Bump for snapshot.
4402 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
4404 * frame.h (__register_frame, __register_frame_table,
4405 __deregister_frame): New.
4406 * frame.c (__register_frame, __register_frame_table,
4407 __deregister_frame): New.
4408 * frame.c (__deregister_frame_info): Return void *.
4409 * frame.h (__deregister_frame_info): Ditto.
4410 * collect2.c (__deregister_frame_info): Ditto.
4412 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
4414 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
4416 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
4418 * alpha.c (alpha_cpu_name): New variable.
4419 (alpha_mlat_string): Likewise.
4420 (alpha_memory_latency): Likewise.
4421 (override_options): Handle -mmemory-latency.
4422 (alpha_adjust_cost): Adjust load cost for latency.
4423 * alpha.h (TARGET_OPTIONS): Add meory-latency.
4424 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
4425 TARGET_CIX into account.
4426 (MEMORY_MOVE_COST): Define in terms of memory_latency.
4427 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
4429 * alpha.h (ASM_COMMENT_START): New macro.
4431 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
4433 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
4434 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
4436 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
4437 SUBREG_REG if the word count is unchanged.
4438 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
4439 subregs of identical word size for push_reload.
4441 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
4443 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
4444 if all we're doing is dealing with -Wreturn-type.
4446 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
4448 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
4449 Use and 255 instead of zapnot 1, since it schedules better.
4451 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
4453 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
4456 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
4458 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
4459 dependency we delete. Properly update prev for multiple consecutive
4461 (priority): Skip deleted dependence.
4463 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
4465 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
4467 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
4469 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
4470 determining when a new basic block starts.
4472 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
4474 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
4475 * pa.md (iorsi3): Add missing args to *_operand calls.
4477 * except.c (call_get_eh_context): Don't mess with sequences.
4478 (emit_eh_context): Include the call in the sequence here.
4480 1997-12-11 Paul Eggert <eggert@twinsun.com>
4482 * collect2.c (write_c_file_glob): Allocate initial frame object
4483 in static storage and pass its address.
4485 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
4487 * except.c (call_get_eh_context): Don't take a parm.
4488 Put the call at the top of the function.
4489 (emit_eh_context): Adjust.
4490 (get_eh_context): Replace with former use_eh_context.
4491 (get_eh_context_once, get_saved_pc_ref): Remove.
4492 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
4494 * integrate.c (expand_inline_function): Adjust.
4495 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
4497 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
4499 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
4500 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
4502 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
4504 * fixincludes (strlen,strspn,strcspn return value): Handle different
4506 (hypot): Provide a fake for hypot which is broken on
4507 m88k-motorola-sysv3.
4509 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
4511 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
4512 tree_code_name from pointers to arrays.
4513 * tree.c: Remove standard_tree_code_* variables, no longer used.
4514 * print-tree.c: Remove declaration of tree_code_name.
4516 * cp/lex.c (init_lex): Update for tree_code_* changes.
4517 * objc/objc-act.c (init_objc): Likewise.
4519 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
4522 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
4524 * config.sub: Add support for BeOS target.
4525 * configure.in: Likewise.
4526 * ginclude/stdarg.h: Likewise.
4527 * ginclude/stddef.h: Likewise.
4528 * ginclude/varargs.h: Likewise.
4529 * rs6000/beos.h: New file for BeOS.
4530 * rs6000/t-beos: Likewise.
4531 * rs6000/x-beos: Likewise.
4532 * rs6000/xm-beos.h: Likewise.
4533 * toplev.c (get_run_time): Just return 0 on BeOS.
4535 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
4536 Toon Moene (toon@moene.indiv.nluug.nl)
4538 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
4539 old and broken Sun3 assemblers. Newer versions handle large
4540 offsets correctly as does the GNU assembler.
4542 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4544 * objc/objc-act.c (lang_report_error_function): Disable.
4545 * objc/objc-parse.y: Include "output.h".
4546 (yyerror): Remove redundant decl.
4547 (yyprint): Fix prototype.
4548 (apply_args_register_offset): Remove redundant decl.
4549 (get_file_function_name): Likewise.
4551 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
4553 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
4555 (find_basic_blocks_1): Likewise.
4557 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
4559 * except.c (use_eh_context): Don't copy_rtx a REG.
4560 (emit_throw): Lose old unwinder support.
4561 (expand_internal_throw): Likewise.
4562 * libgcc2.c (struct eh_context): Likewise.
4563 (new_eh_context): Likewise.
4564 (__get_eh_info): Lose redundant cast.
4565 (__get_dynamic_handler_chain): Likewise.
4566 (__get_saved_pc): Lose.
4567 Lose all old unwinder support code.
4569 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
4571 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
4573 * integrate.c (expand_inline_function): If the inline fn uses eh
4574 context, make sure that the current fn has one.
4575 * toplev.c (rest_of_compilation): Call emit_eh_context.
4576 * except.c (use_eh_context): New fn.
4577 (get_eh_context_once): New fn.
4578 (call_get_eh_context): New fn.
4579 (emit_eh_context): New fn.
4580 (get_eh_context): Call either get_eh_context_once or
4581 call_get_eh_context, depending on what we have.
4582 (get_dynamic_handler_chain): Call get_eh_context_once.
4583 * except.h: Prototypes for fns above.
4584 * optabs.c (get_eh_context_libfunc): Removed.
4585 (init_optabs): Don't initialize it.
4586 * expr.h (get_eh_context_libfunc): Removed.
4587 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
4588 * config/pa/pa.h (CPP_SPEC): Support for -threads.
4589 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
4590 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
4591 New multilib for -threads.
4592 * config/sparc/t-sol2: Added multilibs for -threads and
4593 made -pthreads alias to it.
4594 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
4595 Added -threads and -pthreads options.
4596 * libgcc-thr.h: New file.
4597 * libgcc2.c: (__get_cpp_eh_context): Removed.
4598 (struct cpp_eh_context): Removed.
4599 (struct eh_context): Replaced cpp_eh_context with generic language
4601 (__get_eh_info): New function.
4602 (__throw): Check eh_context::info.
4604 * libgcc2.c: Include libgcc-thr.h.
4605 (new_eh_context, __get_eh_context,
4606 eh_pthread_initialize, eh_context_initialize, eh_context_static,
4607 eh_context_specific, eh_context_free): New functions.
4608 (get_eh_context, eh_context_key): New variables.
4609 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
4610 get_eh_context to get the context.
4611 (longjmp): Move the declaration inside
4612 #ifdef DONT_USE_BUILTIN_SETJMP.
4613 * frame.c: Include libgcc-thr.h.
4614 (object_mutex): Mutex to protect the object list.
4615 (find_fde, __register_frame, __register_frame_table,
4616 __deregister_frame): Hold the lock while accessing objects.
4617 * except.h (get_eh_context): Declare.
4618 * except.c (current_function_ehc): Define.
4619 (current_function_dhc, current_function_dcc): Removed.
4620 (get_eh_context): New function.
4621 (get_dynamic_handler_chain): Use get_eh_context.
4622 (get_saved_pc_ref): Ditto.
4623 (get_dynamic_cleanup_chain): Removed references to
4624 current_function_dcc.
4625 (save_eh_status, restore_eh_status): Save and restore
4626 current_function_ehc instead.
4627 * optabs.c (get_eh_context_libfunc): New variable.
4628 (init_optabs): Initialize it.
4629 * expr.h: Declare get_eh_context_libfunc.
4630 * function.h (struct function): Replaced dhc and dcc with ehc.
4631 * except.c (get_saved_pc_ref): New functions.
4632 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
4633 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
4635 (end_eh_unwinder): Likewise.
4636 (init_eh): Remove initialization of eh_saved_pc.
4637 * optabs.c (get_saved_pc_libfunc): New variable.
4638 (init_optabs): Initialize it.
4639 * expr.h: Declare get_saved_pc_libfunc.
4640 * except.h (eh_saved_pc_rtx): Deleted.
4641 (get_saved_pc_ref): Declared.
4643 From Scott Snyder <snyder@d0sgif.fnal.gov>:
4644 * libgcc2.c (__get_saved_pc): New.
4645 (__eh_type, __eh_pc): Deleted.
4646 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
4647 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
4650 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
4652 * sparc/sol2.h: Use 64 bit multiply and divide functions in
4653 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
4656 * rtl.h (global_rtl): New variable, replacing separate variables for
4658 (const_int_rtx): Now array of rtx_def, not rtx.
4659 * emit-rtl.c: Update for new rtl data structures.
4660 * genattrtab.c: Define global_rtl.
4662 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
4664 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
4667 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
4669 * crtstuff.c (__do_global_ctors): Fix typo.
4671 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
4673 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
4674 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
4676 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
4678 * rs6000.h (FUNCTION_ARG_PADDING): Define.
4679 * rs6000.c (function_arg_padding): New function.
4681 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
4683 * m68k.c: Include tree.h only once.
4685 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4687 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
4689 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
4691 * Partially cleaned up prototyping code from HJ.
4692 * tree.h: Add many prototypes.
4693 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
4694 All references changed.
4695 * rtl.h: Protect from multiple inclusions. Add many prototypes.
4697 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
4699 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
4700 string functions like strlen.
4702 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
4704 * configure.in: Check for functions getrlimit and setrlimit.
4705 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
4706 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
4708 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
4710 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
4712 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
4714 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
4717 * alpha.c (override_options): Don't know about scheduling for EV6.
4718 * alpha.md (ev5 function units): Don't overload as ev6.
4720 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
4721 * alpha.md (define_attr type): Add mvi.
4722 (ev5_e0): Define sceduling parameters for it.
4723 (TARGET_MAX insns): Type is mvi not shift.
4725 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
4727 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
4729 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4731 * cstamp-h, auto-config.h: Delete.
4733 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
4735 * version.c: Bump for snapshot.
4737 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
4739 * cccp.c: Fix typo brought over in merge.
4741 * Merge in changes from gcc-2.8.
4743 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
4745 * m68k.c: Include tree.h for dwarf2out_cfi_label.
4747 * gcc.c (process_command): Do not take address of function fatal when
4748 calling lang_specific_driver.
4750 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
4752 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
4753 doesn't work with it yet, so set it to 0.
4754 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
4756 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
4758 * cse.c (cse_insn): Check for invalid entries when taking references.
4760 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4762 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
4763 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
4764 * toplev.c (rest_of_compilation): Pass it. Remove code to
4765 save / clear / restore flag_unroll_{,all_}loops.
4767 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
4769 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
4771 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
4773 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
4775 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
4777 * except.c (get_dynamic_handler_chain): Only make the call once per
4780 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
4782 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4784 * sh.c (final_prescan_insn): Use local label prefix
4785 when emitting .uses pseudo-ops.
4787 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
4789 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
4790 * except.c: Lose outer_context_label_stack.
4791 (expand_eh_region_end): Rethrow from outer_context here.
4792 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
4793 (expand_internal_throw): Take no args.
4794 (expand_internal_throw_indirect): Lose.
4795 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
4796 (expand_start_all_catch): Start a rethrow region.
4797 (expand_end_all_catch): End it.
4798 (expand_rethrow): New fn.
4799 * except.h: Reflect above changes.
4800 * flow.c: Revert change of Nov 27.
4802 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
4804 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
4806 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
4808 * except.c (expand_fixup_region_end): New fn.
4809 (expand_fixup_region_start): Likewise.
4810 (expand_eh_region_start_tree): Store cleanup into finalization here.
4811 * stmt.c (expand_cleanups): Use them to protect fixups.
4813 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
4815 * mips/mips.md (muldi3_r4000): Broaden the output template
4816 and attribute assignments to handle three operand dmult;
4817 rename to muldi3_internal2.
4818 (muldi3): Call the new muldi3_internal2 for R4000, and
4819 any GENERATE_MULT3 chip.
4821 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
4823 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
4825 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
4827 * unroll.c (find_splittable_givs): Remove last change. Handle givs
4828 with a dest_reg that was created by loop.
4830 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
4832 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
4834 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
4836 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
4838 * configure.in: Fix NCR entries.
4840 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
4842 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
4843 nested exceptions correctly.
4845 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
4846 that was created by loop.
4848 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
4850 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
4852 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
4854 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
4856 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
4857 (print_operand): Use SMALL_DATA_REG for the register involved in
4858 small data relocations.
4859 (print_operand_address): Ditto.
4861 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
4862 -dynamic linker is not used.
4864 * rs6000.md (call insns): For local calls, use @local suffix under
4865 System V. Don't use @plt under Solaris.
4867 * rs6000.c (output_function_profiler): Put label address in r0, and
4868 store LR in 4(sp) for System V/eabi.
4870 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
4871 byte boundary, and maintain stack backchain.
4873 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
4875 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
4876 fix_truncsfdi2): Change *.
4878 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
4880 * toplev.c (main): Complain about -gdwarfn.
4882 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
4884 * dwarfout.c (output_type): If finalizing, write out nested types
4885 of types we've already written.
4887 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
4889 (patches originally from Geoffrey Keating)
4890 * rs6000.c (function_arg): Excess floating point arguments don't
4891 go into GPR registers after exhausting FP registers under the
4893 (function_arg_partial_nregs): Ditto.
4895 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
4898 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
4900 * integrate.c (output_inline_function): Just unset DECL_INLINE.
4902 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
4904 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
4907 * libgcc2.c (__throw): Initialize HANDLER.
4909 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
4911 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
4912 fix_truncsfdi2): Change *X to ?*X.
4914 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
4916 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
4918 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
4920 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
4922 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
4924 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
4926 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
4928 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
4929 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
4932 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
4934 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
4935 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
4936 gas and not using the new HP assembler.
4938 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
4940 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
4941 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
4943 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
4945 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
4946 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
4949 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
4951 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
4953 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
4955 * except.h: Add outer_context_label_stack.
4956 * except.c: Likewise.
4957 (expand_start_all_catch): Push the outer_context for the try block
4958 onto outer_context_label_stack.
4959 (expand_end_all_catch): Use it and pop it.
4961 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
4963 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
4965 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
4967 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
4969 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
4971 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
4972 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
4974 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
4976 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
4977 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
4978 __builtin_delete, and __builtin_vec_delete.
4980 * except.c (output_exception_table): Don't bother with
4983 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
4985 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
4986 is an in/out operand.
4987 (zero extended variants of stwm/stwm patterns): Similarly.
4989 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
4991 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
4993 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
4995 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
4996 (output_call_frame_info): Emit a \n after using it.
4998 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
5000 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
5002 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
5004 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
5005 (ASM_OUTPUT_DWARF_VALUE4): New macro.
5006 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
5008 (output_call_frame_info): Do not output forward label differences
5009 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
5010 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
5012 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5014 * sh.md (attribute "type"): Add nil.
5015 (movsi_ie): y/y alternative is type nil.
5016 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
5018 (movsf_ie+1): Delete.
5020 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
5022 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
5023 large_int, emit two insns instead of one splitable insn.
5024 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
5025 from cfa_temp_value, use cfa_offset. Add assert checking that
5028 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
5030 * cccp.c (deps_output): Properly quote file names for make.
5032 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
5034 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
5036 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
5038 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
5040 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
5042 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
5044 (cse_end_of_basic_block): Similarly.
5046 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
5048 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
5049 (SELECT_RTX_SECTION): Define.
5050 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
5052 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
5054 * Makefile.in (compare, compare-lean): Define $stage for each
5056 (gnucompare, gnucompare-lean): Likewise.
5058 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
5060 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
5062 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
5063 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
5065 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
5067 * dwarfout.c (byte_size_attribute): Add local var upper_bound
5068 and add case to handle STRING_TYPE.
5069 * dwarfout.c (output_string_type_die): Fix code to generate
5070 correct string length attribute for fixed length strings.
5071 Still needs support for varying length strings.
5073 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
5075 * toplev.c (get_run_time): Do something sensible for cygwin32.
5077 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
5079 * expr.c (expand_builtin_setjmp): Set
5080 current_function_has_nonlocal_label.
5081 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
5082 call-saved registers across calls.
5084 * alpha.md (exception_receiver): Remove.
5085 (nonlocal_goto_receiver_osf): New
5086 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
5087 (nonlocal_goto_receiver): New, select _osf or _vms.
5089 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
5090 keep them from being propogated to the object file.
5091 (alpha_write_linkage): Likewise.
5092 * alpha.md (call_vms): Likewise.
5093 (call_value_vms): Likewise.
5094 (unnamed osf call insns): Likewise.
5096 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
5097 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
5099 * alpha.c (call_operand): Any reg is valid for WinNT.
5100 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
5101 (anon nt calls): Add 'R' alternative.
5102 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
5103 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
5105 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
5107 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
5109 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
5110 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
5111 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
5113 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
5115 * reload1.c (new_spill_reg): Improve fixed or forbidden register
5116 spill error message.
5118 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5120 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
5121 use varargs.h. Wrap header with <>, not "".
5123 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
5125 * integrate.c (save_for_inline_copying): Add return value from
5128 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
5130 * fixincludes: Be a little more restrictive on what we will
5131 substitute to replace definitions of MAXINT for HPUX.
5133 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
5135 * dbxout.c (dbxout_symbol_location): Don't assume that variables
5136 whose address is the stack or argument pointers are indirect
5139 1997-11-13 Paul Eggert <eggert@twinsun.com>
5141 * cccp.c, cpplib.c (compare_defs):
5142 Don't complain about arg name respellings unless pedantic.
5143 * cpplib.c (compare_defs): Accept pfile as new arg.
5144 All callers changed.
5146 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5148 * fold-const.c (fold_truthop): Fix bug in last change.
5150 1997-11-13 Paul Eggert <eggert@twinsun.com>
5152 Fix some confusion with IEEE minus zero.
5154 * real.h (REAL_VALUES_IDENTICAL): New macro.
5156 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
5157 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
5159 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
5160 same tree structure as 0.0.
5162 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
5163 macro instead of doing it by hand.
5165 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
5167 * v850/lib1funcs.asm: Minor whitespace changes.
5168 * v850.c: Fix minor formatting problems in many places.
5169 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
5171 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
5173 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
5174 xplus1 when xplus0 is not a register.
5176 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
5178 * flow.c (find_basic_blocks): During marking phase, if we encounter
5179 an insn with a REG_LABEL note, make the target block live and
5180 create an edge from the insn to the target block. Do not make
5181 edges from all blocks to the target block.
5183 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
5185 * confiugre.in: Tweak NCR entries.
5186 * configure: Rebuilt.
5188 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
5190 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
5191 pick apart floating point values, instead of using CONST_DOUBLE_LOW
5192 and CONST_DOUBLE_HIGH.
5194 * rs6000.md (define_splits for DF constants): Use the appropriate
5195 REAL_VALUE_* interface to pick apart DF floating point constants in
5196 a machine independent fashion.
5198 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5200 * fold-const.c (fold_truthop): When changing a one-bit comparison
5201 against zero into a comparison against mask, do a proper sign
5204 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
5206 * except.c: Do not include "assert.h".
5207 (save_eh_status): Turn asserts into conditional aborts.
5208 (restore_eh_status, scan_region): Likewise.
5209 * dwarfout.c: Do not include "assert.h".
5210 (bit_offset_attribute): Turn asserts into conditional aborts.
5211 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
5212 (output_inlined_structure_type_die): Likewise.
5213 (output_inlined_union_type_die): Likewise
5214 (output_tagged_type_instantiation): Likewise.
5215 (dwarfout_file_scope_decl): Likewise.
5216 * dwarf2out.c: Do not include "assert.h"
5217 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
5218 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
5219 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
5220 (add_bit_size_attribute, scope_die_for): Likewise.
5221 (output_pending_types_for_scope): Likewise.
5222 (get_inlined_enumeration_type_die): Likewise.
5223 (get_inlined_structure_type_die): Likewise.
5224 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
5225 (gen_tagged_type_instantiation_die): Likewise.
5227 * flow.c (find_basic_blocks): Refine further to get a more correct
5228 cfg, especially in the presense of exception handling, computed
5229 gotos, and other non-trivial cases. Call abort if an inaccuracy
5230 is detected in the cfg.
5232 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5234 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
5236 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
5237 (skip_white_space): Use whitespace_cr.
5238 (check_newline): Handle whitespace more consistently.
5240 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
5242 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
5243 * i386/xm-cygwin32.h (POSIX): Define.
5245 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
5247 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
5248 is available elsewhere.
5250 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
5252 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
5253 what the instruction can handle.
5255 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
5257 * stmt.c (expand_decl_cleanup_no_eh): New fn.
5259 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
5261 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
5263 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
5264 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
5266 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
5268 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
5269 swap instruction order.
5271 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
5273 * fixinc.svr4 (__STDC__): Add another case.
5275 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5277 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
5278 addresses in the epilogue delay slot.
5280 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
5282 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
5283 in generated `specs' file.
5285 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
5287 * flags.h (flag_rerun_loop_opt): Declare.
5288 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
5289 * toplev.c (flag_rerum_loop_opt): Delete static.
5291 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5293 Bring over from FSF:
5295 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5297 * va-sh.h (__va_arg_sh1): Define.
5299 SH3E doesn't use any integer registers for subsequent arguments
5300 once a non-float value was passed in the stack.
5301 * sh.c (machine_dependent_reorg): If optimizing, put explicit
5302 alignment in front label for ADDR_DIFF_VEC.
5303 * sh.h (PASS_IN_REG_P): Fix SH3E case.
5304 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
5306 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5308 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
5311 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5313 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
5314 put an use_sfunc_addr before each sfunc.
5315 * sh.md (use_sfunc_addr, dummy_jump): New insns.
5316 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
5318 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5320 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
5322 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
5324 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
5327 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
5329 * alias.c (find_base_value): Only return the known base value for
5332 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
5334 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
5335 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
5337 (prologue_get_pc_and_set_got): New pattern.
5339 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
5341 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
5342 for SUBREG, just fall through.
5344 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
5346 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
5348 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
5350 * fixincludes: Fix "hypot" prototype in NeXT math.h.
5352 * Makefile.in (USE_ALLOCA): Always include alloca.o.
5353 (USE_HOST_ALLOCA): Likewise.
5355 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
5356 and LABEL_REFS fields.
5357 * rtl.h (LABEL_REFS): Update.
5359 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
5361 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
5362 sets i2dest. When calling distribute_notes for i3dest_killed, pass
5363 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
5366 * mips.md (insv, extzv, extv): Add change_address call.
5367 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
5369 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
5371 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
5373 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
5374 save_restore_insns if no FP and GP will be restored.
5376 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
5377 Convert CCmode to word_mode before calling GET_MODE_SIZE.
5379 * acconfig.h (HAVE_INTTYPES_H): Undef.
5380 * configure.in (inttypes.h): Check for conflicts between sys/types.h
5381 and inttypes.h, and verify that intmax_t is defined.
5382 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
5383 * config/mips/x-iris3: Likewise.
5385 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
5387 * alias.c (find_base_value): When copying arguments, return the
5388 tenative value for a hard register.
5390 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
5392 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
5393 (yylex): Record wide strings using target endianness, not host.
5395 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
5397 * mn10200.h (ASM_OUTPUT_BSS): Delete.
5398 (ASM_OUTPUT_ALIGNED_BSS): New macro
5399 * mn10300.h (ASM_OUTPUT_BSS): Delete.
5400 (ASM_OUTPUT_ALIGNED_BSS): New macro.
5401 * v850.h (ASM_OUTPUT_BSS): Delete.
5402 (ASM_OUTPUT_ALIGNED_BSS): New macro.
5404 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5406 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
5408 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
5410 * configure.in (sco5): Use cpio to install header files.
5412 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
5414 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
5416 * configure: Rebuild.
5418 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
5420 * i386/sco5.h: enable -gstabs once again.
5422 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
5424 * arm.c (output_move_double): Allocate 3 entries in otherops array.
5426 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
5428 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
5429 notes for sjlj exceptions too.
5430 (expand_eh_region_end): Similarly for EH_REGION_END notes.
5431 (exception_optimize): Optimize EH regions for sjlj exceptions too.
5432 * final.c (final_scan_insn): Don't output labels for EH REGION
5433 notes if doing sjlj exceptions.
5435 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
5437 * alias.c (init_alias_analysis): Handle -fno-alias-check when
5438 optimizing correctly.
5440 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
5441 or set current_function_calls_setjmp anymore.
5443 * flow.c (find_basic_blocks): If we delete the label for an
5444 exception handler, remove it from the EH label list and remove
5445 the EH_BEGIN/EH_END notes for that EH region.
5447 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
5449 * flow.c (find_basic_blocks): Generate correct flow control
5450 information when exception handling notes are present.
5452 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
5454 * dwarf2out.c (output_call_frame_info): Fix length argument
5455 to ASM_OUTPUT_ASCII.
5456 (output_die, output_pubnames, output_line_info): Likewise.
5458 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
5460 * version.c: Bump for snapshot.
5462 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
5463 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
5464 flag_debug_asm is on.
5465 (output_die, output_pubnames, output_line_info): Likewise.
5467 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
5468 and static_chain_rtx into the potential base values array if
5471 * alias.c (new_reg_base_value): New array of potential base values.
5472 (unique_id): Now file scoped static.
5473 (find_base_value, case REG): Return the value in reg_base_value
5474 array for the REG if it exists. Else, return the value from
5475 new_reg_base_value if copying args and REG is a hard register.
5476 (find_base_value, case PLUS): If either operand of the PLUS is
5477 a REG, try to get its base value. Handle base + index and
5479 (record_set): Use new_reg_base_value instead of reg_base_value.
5480 (init_alias_analysis): Allocate space for new_reg_base_value too.
5481 Rework code to iterate over the insns propagating base value
5482 information until nothing changes.
5484 * global.c (global_alloc): Free the conflict matrix after
5485 reload has finished.
5487 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
5489 * libgcc2.c (L_eh): Define __eh_pc.
5490 Replace __eh_type with generic pointer __eh_info.
5492 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
5494 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
5495 use copy_to_reg if address is not a general_operand.
5497 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5499 * profile.c (output_func_start_profiler): Clear flag_inline_functions
5500 for the duration of the call to rest_of_compilation.
5502 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
5504 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
5506 (sparc*-*-*): Recognize --with-cpu=v9.
5507 * sparc/elf.h: New file.
5508 * sparc/t-elf: New file.
5510 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
5512 * mn10300.c (const_8bit_operand): New function.
5513 (mask_ok_for_mem_btst): New funtion.
5514 * mn10300.md (btst patterns with mem operands): Use new functions
5515 to avoid creating btst instructions with invalid operands.
5517 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
5519 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
5520 are running on PowerPC Linux.
5522 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
5524 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
5525 if not previously defined.
5527 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
5529 * function.c (assign_parms): Correct mode of stack_parm if
5530 entry_parm underwent a mode conversion.
5532 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
5534 * global.c (global_alloc): Use xmalloc instead of alloca for
5535 CONFLICTS, since max_allocno * allocno_row_words alone can be more
5536 than 2.5Mb sometimes.
5538 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
5540 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
5541 DEST for the spill, adjust mode of SRC to compensate.
5543 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
5545 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
5546 since any_memory_operand() allows pseudos during reload.
5547 (reload_inhi, reload_outqi, reload_outhi): Likewise.
5549 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
5551 * m68k.md (btst patterns): Add 5200 support.
5553 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
5555 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
5556 optimizations, look inside dividend to determine if the expression
5557 can be simplified by using EXACT_DIV_EXPR.
5559 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
5562 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
5564 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
5566 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
5568 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
5570 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
5573 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
5575 * alpha.md (movqi, movhi): Make sure new insns created during reload
5576 won't need reloading themselves.
5577 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
5579 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
5581 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
5583 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
5585 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
5586 Patch from Klaus Kaempf <kkaempf@progis.de>.
5588 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
5590 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
5591 to an element in a constant string.
5593 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
5595 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
5596 bit PC-relative offset. The exception range table pointer is now in
5598 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
5599 (count_fdes, add_fdes, get_cie): Adjust.
5600 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
5603 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
5605 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
5607 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
5608 like stack_pointer_rtx.
5610 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
5612 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
5613 targets using "$@" to provide support for similar but not identical
5614 targets without having to duplicate code.
5615 (bootstrap4): New goal.
5617 * Makefile.in (compare, compare-lean, compare3): Combined to one
5618 ruleset determining actions to be performed via $@.
5619 (compare4, compare4-lean): New targets.
5620 (gnucompare, gnucompare3): Combined to one ruleset determining
5621 actions to be performed via $@. Also, note which files failed
5622 the comparison test in .bad_compare.
5623 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
5625 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
5627 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
5628 if the dividend is a multiple of the divisor.
5630 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
5632 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
5634 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
5637 * alias.c (true_dependence): Fix typo.
5639 * toplev.c (flag_rerun_loop_opt): New variable.
5640 (f_options): Handle -frerun-loop-opt.
5641 (rest_of_compilation): If -frerun-loop-opt, then run the loop
5643 (main): Enable -frerun-loop-opt by default for -O2 or greater.
5645 * loop.c (simplify_giv_expr): Adding two invariants results
5648 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
5650 * expr.c (get_inner_reference): Remove the array bias after
5651 converting the index to Pmode.
5653 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
5655 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
5656 (TARGET_MULT_BUG): Define.
5657 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
5658 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
5660 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
5662 * mn10200.c (indirect_memory_operand): Delete unused function.
5663 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
5664 * mn10200.md (bset, bclr insns): Handle output in a reg too.
5666 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
5668 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
5669 the callee's ldgp, we must do it ourselves, and we use the jsr tag
5670 for more than scheduling.
5672 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
5674 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
5676 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
5678 * mn10300.c (symbolic_operand, legitimize_address): New functions.
5679 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
5680 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
5682 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
5684 * version.c: Bump for snapshot.
5686 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5688 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
5691 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
5693 * toplev.c (flag_exceptions): Default value is 2.
5694 (compile_file): If flag_exceptions still has the value 2, then
5697 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
5698 (rs6000_save_machine_status): Save pic_offset_table_rtx.
5699 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
5701 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
5704 * rs6000.md (*movsi_got_internal_mem): New pattern.
5705 (*movsi_got_internal_mem splitter): New define_split.
5707 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
5709 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
5711 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
5713 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
5714 only need to save LR.
5716 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
5718 * mn10300.md (movqi, movhi): Avoid using address registers as
5719 destinations unless absolutely necessary.
5721 * mn10200.c (expand_prologue): Fix typo.
5723 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
5725 * mn10200.md (neghi2): Provide an alternative which works if
5726 the input and output register are the same.
5728 * mn10300.c (print_operand): Handle 'S'.
5729 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
5730 shift amount in last alternative
5732 * mn10300.c (expand_epilogue): Rework to handle register restores
5733 in "ret" and "retf" instructions correctly.
5735 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
5737 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
5738 extzv for memory operands.
5740 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
5741 redundant conditional moves to single operand.
5743 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
5745 * v850.h: Move define of __v850__ from CPP_PREDEFINES
5748 * xm-v850.h: Use __v850 rather than __v850__ to
5751 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
5753 * mips/mips.c (compute_frame_size): Not a leaf function if
5756 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
5758 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
5760 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
5762 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
5763 (DEFAULT_ARCH32_P): New macro.
5764 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
5765 (enum cmodel): Declare.
5766 (sparc_cmodel_string,sparc_cmodel): Declare.
5767 (SPARC_DEFAULT_CMODEL): Provide default.
5768 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
5769 (TARGET_FULLANY): Deleted.
5770 (TARGET_CM_MEDMID): New macro.
5771 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
5772 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
5773 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
5774 (CPP_SPEC): Rewrite.
5775 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
5776 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
5777 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
5778 (ASM_SPEC): Add %(asm_arch).
5779 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
5780 Rename asm_default to asm_cpu_default.
5781 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
5782 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
5783 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
5784 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
5785 (MASK_INT64,MASK_LONG64): Delete.
5786 (MASK_ARCH64): Renamed to MASK_64BIT.
5787 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
5788 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
5789 (TARGET_SWITCHES): Always provide 64 bit options.
5790 (ARCH64_SWITCHES): Delete.
5791 (TARGET_OPTIONS): New option -mcmodel=.
5792 (INT_TYPE_SIZE): Always 32.
5793 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
5794 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
5795 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
5796 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
5797 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
5799 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
5800 * sparc/linux.h: Likewise.
5801 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
5802 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
5803 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
5804 (SPARC_DEFAULT_CMODEL): Define.
5805 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
5806 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
5807 (LONG_DOUBLE_TYPE_SIZE): Define.
5808 (ASM_SPEC): Add %(asm_arch).
5809 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
5810 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
5811 (TARGET_CPU_DEFAULT): Add ultrasparc case.
5812 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
5813 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
5814 (SPARC_DEFAULT_CMODEL): Define.
5815 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
5816 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
5817 MASK_LONG64, MASK_MEDANY.
5818 (SPARC_DEFAULT_CMODEL): Define.
5819 (CPP_PREDEFINES): Delete.
5820 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
5821 (ASM_SPEC): Add %(asm_arch).
5822 (LONG_DOUBLE_TYPE_SIZE): Define.
5823 (DWARF2_DEBUGGING_INFO): Define.
5824 * sparc/splet.h (CPP_SPEC): Delete.
5825 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
5826 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
5827 (BLOCK_PROFILER): Likewise.
5828 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
5829 (sparc_override_options): Handle code model selection.
5830 (sparc_init_expanders): Renamed from sparc64_init_expanders.
5831 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
5832 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
5833 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
5834 (sethi_di_fullany): Delete.
5836 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
5837 Jeff Law <law@cygnus.com>
5838 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5840 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
5841 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
5842 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
5843 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
5844 * alpha/alpha.md (arg_home): Likewise.
5846 * alpha/alpha.c (vmskrunch): Delete
5847 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
5848 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
5849 truncate to 64 characters.
5851 * make-l2.com: Support openVMS/Alpha.
5853 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
5855 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5857 * longlong.h (count_leading_zeros): Add missing casts to USItype.
5859 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
5861 * i386/bsd386.h (ASM_COMMENT_START): Define.
5863 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
5865 * tree.c (restore_tree_status): Also free up temporary storage
5866 when we finish a toplevel function.
5867 (dump_tree_statistics): Print stats for backend obstacks.
5869 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
5871 * expr.c (use_group_regs): Don't call use_reg for MEMs.
5873 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
5875 * libgcc2.c (__throw): Don't copy the return address.
5876 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
5878 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
5879 * toplev.c (main): Initialize exceptions_via_longjmp.
5881 * tree.c: Add extra_inline_obstacks.
5882 (save_tree_status): Use it.
5883 (restore_tree_status): If this is a toplevel inline obstack and we
5884 didn't want to save anything on it, recycle it.
5885 (print_inline_obstack_statistics): New fn.
5886 * function.c (pop_function_context_from): Pass context to
5887 restore_tree_status.
5888 * obstack.h (obstack_empty_p): New macro.
5890 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
5892 * i386/freebsd.h (ASM_COMMENT_START): Fix.
5894 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
5896 * v850.c (ep_memory_offset): New function.
5897 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
5899 * v850.h (CONST_OK_FOR_*): Add and correct comments.
5900 (CONSTANT_ADDRESS_P): Add comment.
5901 (EXTRA_CONSTRAINT): Define 'U'.
5902 * v850.md: Add comments on bit field instructions.
5903 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
5904 (lshrsi3): Use N not J constraint.
5906 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
5908 * v850.c (reg_or_0_operand): Call register_operand.
5909 (reg_or_int5_operand): Likewise.
5910 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
5911 (TARGET_SWITCHES): Add "big-switch".
5912 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
5913 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
5914 (CASE_DROPS_THROUGH): Comment out.
5915 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
5916 * v850.md (cmpsi): Delete compare mode.
5917 (casesi): New pattern.
5919 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
5920 * v850.md (ashlsi3): Use SImode not QImode for shift count.
5921 (lshrsi3): Likewise.
5923 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
5924 unreachable switch statement after 'b' support. Remove "b" from
5925 strings for 'b' support.
5926 * v850.md (branch_normal, branch_invert): Change %b to b%b.
5928 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
5930 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
5931 empty line if @inhibit_libc@ is empty.
5933 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
5935 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
5936 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
5937 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
5938 (DWARF2_UNWIND_INFO): Let this track object file format.
5939 (EXTRA_SECTIONS): Add in_eh.
5940 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
5941 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
5943 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
5945 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
5946 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
5948 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
5949 (output_double_int): Output DI mode values correctly when
5950 HOST_BITS_PER_WIDE_INT is 64.
5951 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
5952 fmovd so it works if a quad float ends up in one of the upper 32
5954 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
5955 necessary for PIC support on sparc64.
5957 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
5959 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
5960 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
5961 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
5962 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
5963 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
5964 (SPARC_FP_ARG_FIRST): New macro.
5965 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
5966 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
5967 (NPARM_REGS): There are 32 fp argument registers now.
5968 (FUNCTION_ARG_REGNO_P): Likewise.
5969 (FIRST_PARM_OFFSET): Update to new v9 abi.
5970 (REG_PARM_STACK_SPACE): Define for arch64.
5971 (enum sparc_arg_class): Delete.
5972 (sparc_arg_count,sparc_n_named_args): Delete.
5973 (struct sparc_args): Redefine and use for arch32 as well as arch64.
5974 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
5975 (FUNCTION_ARG_ADVANCE): Rewrite.
5976 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
5977 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
5978 (FUNCTION_ARG_CALLEE_COPIES): Delete.
5979 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
5980 (STRICT_ARGUMENT_NAMING): Define.
5981 (doublemove_string): Declare.
5982 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
5983 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
5984 (doublemove_string): New function.
5985 (output_move_quad): Clean up some of the arch64 support.
5986 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
5987 Don't add 8 bytes of reserved space if arch64.
5988 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
5989 (init_cumulative_args): New function.
5990 (function_arg_slotno): New static function.
5991 (function_arg,function_arg_partial_nregs): New functions.
5992 (function_arg_{pass_by_reference,advance}): New functions.
5993 (function_arg_padding): New function.
5994 * ginclude/va-sparc.h: Rewrite v9 support.
5996 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
5998 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
5999 for hard regs to determine base and index registers.
6001 * reload.c (debug_reload_to_stream): New function. Specify stream
6002 into which to write debug info.
6003 (debug_reload): Modify to call debug_reload_to_stream with stderr.
6005 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
6007 * combine.c (can_combine_p): Don't combine with an asm whose
6008 output is a hard register.
6010 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
6012 * c-decl.c (start_struct): Ensure that structs with forward
6013 declarations are in fact packed when -fpack-struct is given.
6015 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
6016 we are packing a structure. This allows a structure with only
6017 bytes to be aligned on a byte boundary and have no padding on a
6020 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6022 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
6024 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
6026 * alpha.c (alpha_return_addr_rtx): New variable.
6027 (alpha_save_machine_status): New; save it.
6028 (alpha_restore_machine_status): New; restore it.
6029 (alpha_init_expanders): New; clear it.
6030 (alpha_return_addr): New; set it.
6031 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
6032 is overly conservative, so search the insns explicitly.
6033 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
6034 (alpha_sa_size [VMS && !VMS]): Likewise.
6035 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
6036 (INIT_EXPANDERS): New definition.
6038 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
6039 (output_prolog [!VMS]): Use them.
6041 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
6042 (alpha_does_function_need_gp): ... a new function. Refine the
6043 CALL_INSN test to just TYPE_JSR.
6044 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
6046 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
6048 * version.c: Bump for snapshot.
6050 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6052 * pa.c (move_operand): Respect -mdisable-indexing.
6053 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
6055 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
6057 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
6059 (umulsidi3,umulsi3_highpart): Ditto.
6060 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
6062 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
6064 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
6065 (alpha_handle_trap_shadows): ... a new function. Handle the entire
6066 function in one go. Emit RTL for trapb, instead of printf directly.
6067 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
6068 (trap_pending): Kill global variable.
6069 (output_epilog): Don't call final_prescan_insn.
6070 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
6071 * alpha.h (FINAL_PRESCAN_INSN): Remove.
6072 (MACHINE_DEPENENT_REORG): Define.
6073 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
6076 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
6078 Tune Haifa scheduler for Alpha:
6079 * alpha.h (ISSUE_RATE): Define.
6080 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
6081 EV4 adjustments to EV5.
6082 * alpha.md: Remove all scaling from function unit delays. Rework
6083 EV5 function units to match the CPU.
6084 (umuldi3_highpart): EV5 added the IMULH insn class.
6086 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
6088 * pa.c (following_call): Fail if the CALL_INSN is an indirect
6091 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
6093 * cplus-dem.c (demangle_signature): Don't look for return types on
6094 constructors. Handle member template constructors.
6096 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
6098 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
6099 * tree.h: Declare them.
6101 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
6103 * configure.in: Handle --with-newlib.
6104 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
6106 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
6108 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
6110 * config/ptx4.h: Fix typo.
6112 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
6114 * version.c: Bump for snapshot.
6116 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
6118 * aclocal.m4: Substitute INSTALL.
6119 * configure: Re-built.
6121 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
6123 * integrate.c (save_for_inline_copying): Avoid undefined pointer
6125 (expand_inline_function): Likewise.
6127 * dwarf2out.c (output_call_frame_info): Reinstate last change
6128 using flag_debug_asm check instead of flag_verbose_asm.
6130 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
6132 * dwarf2out.c (output_call_frame_info): Remove last change.
6134 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6136 * frame.c (__frame_state_for): Execute the FDE insns until the
6137 current pc value is strictly bigger than the target pc value.
6139 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
6141 * regclass.c (init_reg_modes): If we can't find a mode for the
6142 register, use the previous one.
6144 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
6146 * haifa-sched.c (print_block_visualization): Call fprintf directly,
6147 don't sprintf through an alloca'ed buffer.
6149 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
6151 * reload.c (decompose): Always initialize val.base.
6153 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
6155 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
6156 instead of aborting.
6157 * dwarf2out.c (output_call_frame_info): Call app_enable and
6158 app_disable to let GNU as accept the generated comments.
6160 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
6162 * tree.h (get_file_function_name): Add declaration.
6163 * dwarf2out.c (output_call_frame_info): No need to cast
6164 get_file_function_name call anymore.
6165 * profile.c (toplevel): Remove get_file_function_name
6167 * c-lang.c (finish_file): Ditto.
6169 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
6171 * Makefile.in (program_transform_name): Let autoconf substitute
6174 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
6176 * haifa-sched.c (schedule_block): If the first real insn in a
6177 block has any special notes attached to it, remove them.
6179 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
6181 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
6183 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
6185 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
6187 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
6189 * Makefile.in (check-g77): New test target.
6190 (CHECK-TARGETS): Add check-g77.
6192 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
6194 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
6196 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
6198 * flow.c (print_rtl_with_bb): Cast alloca return value for
6201 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
6203 * i386.h (RETURN_ADDR_RTX): New definition that works for
6204 __builtin_return_address(0) and -fomit-frame-pointer.
6206 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
6208 Bring over from FSF.
6209 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
6211 * mips.c (function_arg): Handle passing a struct
6212 containing a double in a DFmode register without the PARALLEL.
6214 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
6216 * pexecute.c: Use spawn if __CYGWIN32__.
6218 * pexecute.c: Include "config.h" first, as per autoconf manual
6219 (from Paul Eggert <eggert@twinsun.com>).
6221 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
6223 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
6224 optimisation for f/expr.o and f/stb.o.
6226 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
6228 * cse.c (this_insn_cc0_mode): Initialize.
6230 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
6232 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
6234 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
6236 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
6238 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
6239 that pair will dual-issue on the 21164 and plus+beq won't.
6240 (bne): Likewise for cmpeq+beq.
6242 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
6244 * except.c (find_exception_handler_labels): Correct argument to free.
6246 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
6248 * except.c (find_exception_handler_labels): Free LABELS when we're
6251 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
6253 * version.c: Bump for snapshot.
6255 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
6257 * flow.c (find_basic_blocks): Mark calls as potentially jumping
6260 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
6262 * configure.in: Substitute for "install" too.
6263 * configure: Rebuilt.
6265 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
6267 * Makefile.in (bootstrap-lean, compare-lean): New targets.
6269 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
6271 * alias.c (base_alias_check): Two symbols can conflict if they
6272 are accessed via AND.
6273 (memrefs_conflict_p): Likewise.
6275 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
6276 after flushing argument registers to the stack.
6278 * Makefile.in (mostlyclean): Remove .regmove files.
6280 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
6282 * libgcc2.c (__throw): Fix thinko.
6284 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
6286 * cplus-dem.c (demangle_template): Add new parameter. Handle new
6287 template-function mangling.
6288 (consume_count_with_underscores): New function.
6289 (demangle_signature): Handle new name-mangling scheme.
6291 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
6293 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
6296 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
6298 * frame.c: Remove last change.
6299 * dwarf2.h: Remove last change.
6300 * tree.h: Add declarations of DWARF2 unwind info support
6303 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
6305 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
6306 * tree.h (built_in_function): Likewise.
6307 * expr.c (expand_builtin): Likewise.
6308 * except.h: Likewise.
6309 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
6310 * libgcc2.c (copy_reg): New fn.
6313 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
6315 * c-typeck.c (build_binary_op): Warn about comparing signed vs
6316 unsigned if -W is specified and -Wno-sign-compare is not.
6317 * c-decl.c (warn_sign_compare): Initialize to -1.
6318 (c_decode_option): -Wall no longer implies -Wsign-compare.
6320 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6322 * frame.c: Include gansidecl.h for PROTO.
6323 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
6324 defined. Don't declare dwarf2out_cfi_label here.
6325 * dwarf2.h: Add declarations of DWARF2 unwind info support
6327 * m68k.c: Include dwarf2.h.
6328 (output_function_prologue): Add dwarf2 support.
6329 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
6330 (INCOMING_FRAME_SP_OFFSET): Likewise.
6332 * integrate.c (expand_inline_function): Make sure there is at
6333 least one insn that can be used as an insertion point.
6335 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
6337 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
6339 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
6341 * version.c: Bump for snapshot.
6343 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
6345 Bring over from FSF.
6347 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
6349 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
6350 (get_pc_via_rdpc): Renamed from get_pc_sp64.
6351 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
6353 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
6355 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
6356 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
6358 (sparc_align_{loops,jumps,funcs}_string): Declare.
6359 (sparc_align_{loops,jumps,funcs}): Declare.
6360 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
6361 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
6362 (STACK_BIAS): Define.
6363 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
6365 (SPARC_SETHI_P): New macro.
6366 (CONST_OK_FOR_LETTER_P): Use it.
6367 (ASM_OUTPUT_ALIGN_CODE): Define.
6368 (ASM_OUTPUT_LOOP_ALIGN): Define.
6369 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
6370 (sparc_align_{loops,jumps,funcs}): New globals.
6371 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
6373 (move_operand): Use SPARC_SETHI_P.
6374 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
6376 (arith11_double_operand): Likewise.
6377 (arith10_double_operand): Likewise.
6378 (finalize_pic): Finish sparc64 support.
6379 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
6380 64 bit constants if able.
6381 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
6382 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
6384 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
6385 (get_pc_sp32): Use for sparc64 as well.
6386 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
6387 (sethi_di_sp64_const): Likewise.
6388 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
6389 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
6390 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
6392 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
6394 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
6395 * sparc/linux.h (COMMENT_BEGIN): Likewise.
6396 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
6398 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
6400 Add sparc64 linux support.
6401 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
6402 to xm_file list on 32-bit sparc-linux.
6403 * sparc/xm-sp64.h: New file.
6404 * sparc/linux64.h: New file.
6405 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
6406 Don't include xm-sparc.h.
6407 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
6408 * glimits.h (LONG_MAX): Handle sparc64.
6410 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
6412 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
6413 * sparc.h (ASM_COMMENT_START): Define.
6414 * sparc.c (output_function_prologue): Use it.
6415 (sparc_flat_output_function_{epi,pro}logue): Likewise.
6417 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
6419 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
6420 use sparc.h's copies.
6421 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
6424 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6426 * sparc.c (dwarf2out_cfi_label): Add declaration.
6427 (save_regs, output_function_prologue): Remove cast for it.
6428 (sparc_flat_{save_restore,output_function_prologue): Likewise.
6429 ({save,restore}_regs): No longer inline.
6431 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6433 * fold-const.c (make_range): Correctly handle cases of converting
6434 from unsigned to signed type.
6436 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6438 * fold-const.c (merge_ranges): Make sure that if one range is subset
6439 of another, it will always be the second range. Correct (+,-) case to
6442 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
6444 * final.c (final_end_function): Also do dwarf2 thing if
6445 DWARF2_DEBUGGING_INFO.
6446 (final_start_function): Likewise.
6448 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
6450 * expmed.c (expand_divmod): If compute_mode is not the same as
6451 mode, handle the case where convert_modes() causes op1 to no
6452 longer be a CONST_INT.
6454 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
6455 note holding get_jump_flags() calculation to all JUMP_INSNs.
6456 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
6457 * rtl.c (reg_note_name): Add new note types.
6459 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
6461 * rtlanal.c (computed_jump_p): Fix typo in last change.
6463 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6465 * loop.c (indirect_jump_in_function_p): Return 0
6468 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
6470 * rs6000/xm-rs6000.h: Fix thinko in last change.
6471 * rs6000/xm-sysv4.h: Likewise.
6473 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
6475 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
6477 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
6479 * reg-stack.c (find_blocks): Fix thinko in last change.
6481 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6483 * m68k.c (output_function_prologue): Add dwarf2 support.
6485 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
6486 INCOMING_FRAME_SP_OFFSET): New definitions.
6488 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
6490 * combine.c (try_combine): Use NULL_RTX instead of '0' where
6491 appropriate in calls to gen_rtx().
6492 * cse.c (cse_main): Likewise.
6493 * emit-rtl.c (gen_label_rtx): Likewise.
6494 * expr.c (init_expr_once): Likewise.
6495 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
6496 sched_analyze, init_rgn_data_dependences,
6497 compute_block_backward_dependences): Likewise.
6498 * sched.c (schedule_insns): Likewise.
6499 * varasm.c (immed_double_const): Likewise.
6501 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
6502 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
6504 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
6506 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
6507 (MULTILIB_DEFAULTS): Define.
6508 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
6509 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
6510 (LIBGCC_SPEC): Likewise.
6511 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
6512 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
6513 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
6514 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
6515 (EXTRA_PARTS, TAROUTOPTS): Delete.
6516 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
6517 (MULTILIB_OPTIONS): Define.
6518 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
6519 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
6521 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
6523 * version.c: Bump for snapshot.
6525 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
6527 * loop.c (loop_number): Delete function. Change all references
6528 to use uid_loop_num array.
6529 * loop.h (loop_number): Delete declaration.
6530 * unroll.c (unroll_loop): Change "loop_number" references to
6531 use uid_loop_num instead.
6533 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
6535 (loop_unroll_iter): Remove unused variable and all references.
6536 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
6537 (insert_bct): Fix minor formatting problems.
6538 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
6539 (loop_unroll_iter): Removed unused decl.
6540 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
6541 Always record the unrolling factor.
6543 * cse.c (simplify_relational_operation): Set h0u just like h0s.
6544 Similarly for h1u and h1s.
6546 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
6547 (find_basic_blocks): Use computed_jump_p to determine if a
6548 particular JUMP_INSN is a computed jump.
6549 * reg-stack.c (find_blocks): Use computed_jump_p to determine
6550 if a particular JUMP_INSN is a computed jump.
6551 * rtlanal.c (jmp_uses_reg_or_mem): New function.
6552 (computed_jump_p): Likewise.
6553 * rtl.h (computed_jump_p): Declare.
6554 * genattrtab.c (pc_rtx): Define and initialize.
6555 * loop.c (loop_optimize): Always determine if the current
6556 function has a computed jump.
6557 (indirect_jump_in_function_p): Use computed_jump_p to determine
6558 if a particular JUMP_INSN is a computed jump.
6560 * loop.c (fix_bct_param): Delete unused function.
6561 (check_bct_param): Likewise.
6563 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
6565 * frame.c (__deregister_frame): Check properly for initialized object.
6567 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6569 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
6571 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6573 * jump.c (thread_jumps): check can_reverse_comparison_p before
6574 threading a reversed-condition jump.
6576 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
6577 * haifa-sched.c (update_flow_info): Likewise.
6579 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
6581 * Makefile.in (BOOT_CFLAGS): Use -O2.
6583 * configure.in (strtoul, bsearch): Have autoconf check for these
6585 * configure, config.in: Rebuilt.
6587 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
6588 * mips/mips.h (alloca): Likewise.
6589 * rs6000/xm-rs6000.h (alloca): Likewise.
6590 * rs6000/xm-sysv4.h: Likewise.
6592 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
6594 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
6595 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
6596 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
6598 * except.c (end_eh_unwinder): Subtract 1 from return address.
6599 * libgcc2.c (__throw): Likewise.
6600 (find_exception_handler): Don't change PC here. Compare end with >.
6602 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
6604 * v850.c (compute_register_save_size): Correct register
6606 * v850.md (save_interrupt, return_interrupt): Correct
6608 * v850/lib1funcs.asm (save_interrupt): Correct register number.
6609 (return_interrupt): Use stack pointer, not element pointer.
6611 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
6613 * configure.in, configure: Make sure to create the stage* and include
6614 symbolic links in each subdirectory.
6616 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
6618 * pa.md (reload_peepholes): Don't allow addresses with side
6619 effects for the memory operand.
6621 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
6623 * libgcc2.c (find_exception_handler): Subtract one from our PC when
6624 looking for a handler, to avoid hitting the beginning of the next
6627 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
6629 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
6631 * mips/abi64.h (LONG_MAX_SPEC): Define.
6632 * mips.h (LONG_MAX_SPEC): Define.
6633 (CPP_SPEC): Include long_max_spec.
6634 (EXTRA_SPECS): Include long_max_spec.
6636 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
6638 * v850.c (construct_save_jarl): Fix thinko in last change.
6640 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
6642 * version.c: Bump for snapshot.
6644 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
6646 * libgcc2.c (find_exception_handler): Not found is -1.
6648 * integrate.c (expand_inline_function): Move expand_start_bindings
6649 after expanding the arguments.
6651 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
6653 * expr.c (expand_expr): Remove previous incorrect change.
6654 If target and slot has no DECL_RTL, then call mark_addressable
6655 again for the slot after we give it RTL.
6657 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
6659 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
6660 again for the slot after we give it RTL.
6662 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
6664 * v850.c (register_is_ok_for_epilogue,
6665 pattern_is_ok_for_epilogue, construct_restore_jr,
6666 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
6668 * v850.h (pattern_is_ok_for_prologue,
6669 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
6672 * v850.md: Replace prologue and epilogue patterns with a
6673 match_parallel pattern.
6675 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
6677 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
6678 * configure.in: Use EGCS_PROG_INSTALL.
6680 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
6682 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
6683 extern inline function.
6685 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
6687 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
6688 (concat_loc_descriptor): New function.
6689 (loc_descriptor): Call it.
6690 (add_AT_location_description): Also elide the descriptor if both
6691 halves of a CONCAT are pseudos.
6692 (add_location_or_const_value_attribute): Recognize CONCAT too.
6694 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
6696 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
6698 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
6699 out-or-range reg_offset.
6700 (output_epilog): Likewise.
6702 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
6704 * cse.c (simplify_relational_operation): If MODE specifies a
6705 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
6706 is derived from the sign bit of the low word.
6708 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
6710 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
6712 * dwarf2.h: Add DW_CFA_GNU_args_size.
6713 * frame.c (execute_cfa_insn): Likewise.
6714 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
6715 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
6716 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
6717 insn, hand it off to dwarf2out_stack_adjust.
6718 (dwarf2out_begin_prologue): Initialize args_size.
6719 * frame.h (struct frame_state): Add args_size.
6720 * libgcc2.c (__throw): Use args_size.
6721 * final.c (final_scan_insn): If we push args, hand off all insns
6722 to dwarf2out_frame_debug.
6723 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
6725 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
6726 Handle epilogue restore of SP from FP.
6727 * emit-rtl.c (gen_sequence): Still generate a sequence if the
6728 lone insn has RTX_FRAME_RELATED_P set.
6730 * frame.c (extract_cie_info): Handle "e" augmentation.
6731 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
6732 absence of UNALIGNED_*_ASM_OP.
6733 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
6734 (output_call_frame_info): Use "e" instead of "z" for augmentation.
6735 Don't emit augmentation fields length.
6736 (dwarf2out_do_frame): Move outside of #ifdefs.
6737 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
6740 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
6741 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
6742 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
6743 * sparc/sun4gas.h: New file.
6744 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
6746 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
6747 __register_frame_table and __deregister_frame.
6749 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
6751 * except.c (find_exception_handler_labels): Use xmalloc instead of
6752 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
6755 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
6757 * Makefile.in: Various changes to build info files
6758 in the object tree rather than the source tree.
6760 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
6762 * fixinc.math: New file to fix math.h on some systems.
6763 * configure.in (freebsd, netbsd): Use fixinc.math on these
6765 * configure: Rebuilt.
6767 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
6769 * regmove.c (regmove_optimize): If we end up moving the
6770 original insn due to lifetime overlaps, make sure to move
6773 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
6775 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
6777 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
6779 * haifa-sched.c (add_branch_dependences): Make each insn in
6780 a SCHED_GROUP_P block explicitly depend on the previous insn.
6782 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
6784 * except.h: Prototype dwarf2 hooks.
6787 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
6789 * configure.in (native_prefix): Delete.
6790 (mips-dec-netbsd): Don't set prefix.
6791 (*linux*): Don't set prefix.
6793 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
6795 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
6796 defined. If not defined, include <sys/varargs.h> if
6797 HAVE_SYS_VARARGS_H is defined.
6798 * configure.in: Test for varargs.h and sys/varargs.h.
6799 * configure: Regenerate with autoconf.
6800 * config.in: Regenerate with autoheader.
6802 * cpplib.c (quote_string): Cast first arg of sprintf call
6803 from "unsigned char *" to "char *".
6804 (output_line_command): Ditto.
6805 (macroexpand): Ditto.
6806 (do_line): Cast atoi arg from "unsigned char *" to "char *".
6808 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
6810 * version.c: Bump for snapshot.
6812 * Makefile.in (compare): Exit with nonzero status if there
6813 are comparison failures. Note which files failed the
6814 comparison test in .bad_compare.
6816 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6818 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
6820 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
6822 * Makefile.in (LN, LN_S): New macros, use where appropriate.
6823 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
6824 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
6825 * configure: Regenerated.
6827 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
6829 * loop.c (strength_reduce): Fix typo.
6831 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
6833 * m88k/m88k.c (struct option): Rename to struct options.
6834 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
6835 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
6836 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
6837 __DOLPHIN__ or sysV88.
6839 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
6841 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
6844 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
6846 * config.sub: Accept 'amigados' for backward compatability.
6848 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6850 * Makefile.in (testsuite/site.exp): New target.
6851 (check-gcc, check-g++): Depend on testsuite/site.exp.
6852 Don't stop for failure.
6854 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
6856 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
6857 if DWARF2_UNWIND_INFO.
6859 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
6861 Add support for exception handling using DWARF 2 frame unwind info.
6862 Currently works on SPARC and MIPS, and almost on x86.
6864 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
6865 next_stack_level, in_reg_window): Helper fns.
6866 (__throw): Implement for DWARF2_UNWIND_INFO.
6868 * expr.c (expand_builtin): Handle builtins used by __throw.
6869 * tree.h (enum built_in_function): Add builtins used by __throw.
6870 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
6871 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
6872 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
6873 (expand_builtin_extract_return_addr): Likewise.
6874 (expand_builtin_frob_return_addr): Likewise.
6875 (expand_builtin_set_return_addr_reg): Likewise.
6876 (expand_builtin_eh_stub): Likewise.
6877 (expand_builtin_set_eh_regs): Likewise.
6878 (eh_regs): Choose two call-clobbered registers for passing back values.
6880 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
6881 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
6882 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
6883 (stmp-multilib): Likewise.
6884 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
6886 * except.c: #include "defaults.h".
6887 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
6888 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
6889 (register_exception_table_p): New fn.
6890 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
6891 (end_eh_unwinder): Likewise.
6893 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
6894 call __register_frame and __deregister_frame as needed.
6895 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
6896 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
6897 EH_FRAME_SECTION_ASM_OP.
6898 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
6899 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
6900 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
6902 * dwarf2out.c (output_call_frame_info): If no support for
6903 EXCEPTION_SECTION, mark the start of the frame info with a
6905 * collect2.c (frame_tables): New list.
6906 (is_ctor_dtor): Recognise frame entries.
6907 (scan_prog_file): Likewise.
6908 (main): Pass -fno-exceptions to sub-compile. Also do collection
6909 if there are any frame entries.
6910 (write_c_file_stat): Call __register_frame_table and
6911 __deregister_frame as needed.
6912 (write_c_file_glob): Likewise.
6914 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
6915 Also require unaligned reloc support.
6916 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
6917 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
6918 * sparc/sysv4.h: Not here.
6920 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
6921 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
6922 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
6924 * libgcc2.c (L_eh): Reorganize, moving code shared by different
6925 EH implementations to the top.
6926 (find_exception_handler): Split out. Start from 0. Compare against
6928 (__find_first_exception_table_match): Use it.
6929 * except.c (output_exception_table): Don't do anything if there's
6930 no table. Don't output a first entry of zeroes.
6931 (eh_outer_context): Adjust properly.
6932 (add_eh_table_entry): Use xrealloc.
6933 * toplev.c (compile_file): Just call output_exception_table.
6935 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
6937 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
6939 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
6941 * except.c (eh_outer_context): Do masking using expand_and.
6943 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
6945 Add port done awhile ago for the ARC cpu.
6946 * arc/arc.h: New file.
6947 * arc/arc.c: New file.
6948 * arc/arc.md: New file.
6949 * arc/initfini.c: New file.
6950 * arc/lib1funcs.asm: New file.
6951 * arc/t-arc: New file.
6952 * arc/xm-arc.h: New file.
6953 * ginclude/va-arc.h: New file.
6954 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
6955 * ginclude/varargs.h: Likewise.
6956 * Makefile.in (USER_H): Add va-arc.h.
6957 * configure.in (arc-*-elf*): Recognize.
6958 * longlong.h: Add ARC support.
6960 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
6962 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
6963 when clearing non-BLKmode data.
6965 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
6967 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
6968 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
6970 * xm-m88k.h (USG): Only define if it hasn't already been defined.
6972 * Makefile.in (risky-stage1): Delete gratutious whitespace.
6974 * Makefile.in (clean): Delete libgcc1-test.
6976 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
6978 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
6980 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
6983 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6985 * dwarf2out.c (output_call_frame_info): Call named_section.
6987 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
6989 * haifa-sched.c (print_value): Fix last change.
6991 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
6993 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
6996 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
6998 * mips.c (function_prologue): Set up the CFA when ABI_32.
7000 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
7001 for dwarf2 unwind info.
7002 (output_function_prologue, sparc_flat_output_function_prologue): Same.
7004 * final.c (final_end_function): Check dwarf2out_do_frame instead
7005 of DWARF2_DEBUG for dwarf2 unwind info.
7006 (final_scan_insn): Likewise.
7007 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
7010 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
7013 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
7015 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
7017 * v850.h (ASM_SPEC): Pass on target processor.
7018 (CPP_PREDEFINES): Only define if not already specified.
7019 (TARGET_VERSION): Only define if not already specified.
7020 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
7022 (EXTRA_SWITCHES): Extra entries in the switches array.
7023 (TARGET_DEFAULT): Set default target processor.
7025 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
7027 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
7028 cases, add %# and %/, and add : to make them into extended asms.
7030 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
7032 * alias.c (init_alias_analysis): Clean up incompatible pointer
7033 type warning in bzero.
7034 * regmove.c (regmove_optimize): Ditto.
7035 * haifa-sched.c (find_rgns): Ditto.
7037 * haifa-sched.c (print_value): Clean up ptr->int cast
7040 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
7042 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
7043 * install.texi (Configurations): Ditto.
7044 * config.sub: Ditto.
7046 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
7048 * Makefile.in (sdbout.o): Depend on insn-config.h.
7050 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
7052 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
7053 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
7055 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
7057 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
7058 prologue insn, only the first elt is significant.
7059 (output_call_frame_info): For exception handling, always use 4-byte
7060 fields as specified by the dwarf2 spec.
7061 Don't skip trivial FDEs.
7063 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
7065 * version.c: Bump for snapshot.
7067 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
7069 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
7070 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
7073 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
7075 * final.c (shorten_branches): During first pass, assume worst
7076 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
7078 * Makefile.in (distclean): Remove various things left around
7079 by running the testsuite.
7081 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
7083 * configure.in (out_file): Emit definition to config.status in order
7084 to have a defined value for configure.lang.
7085 * configure: Re-built.
7087 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
7089 * configure.in: Make symlink to as-new rather than as.new. Similarly
7091 * configure: Rebuilt.
7093 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
7095 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
7097 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
7099 * sparc/sparc.md: Add ultrasparc scheduling support.
7100 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
7102 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
7104 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
7105 as initial value for real_label_map.
7106 (copy_for_inline): Likewise.
7108 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7110 * sched.c (update_flow_info) When looking if to set found_split_dest
7111 or found_orig_dest, look at all parts of a PARALLEL.
7112 * haifa-sched.c (update_flow_info): Likewise.
7114 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
7116 * v850: New directory for v850 port.
7117 * v850/lib1funcs.asm: New file.
7118 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
7119 * ginclude/va-v850.h: New file.
7120 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
7121 * configure.in (mn10200-*-*): New target.
7122 * configure: Rebuilt.
7123 * config.sub: Handle v850-elf.
7124 * Makefile.in (USER_H): Add va-mn10200.h.
7125 * invoke.texi: Document v850 stuff.
7127 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
7129 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
7130 has integer TYPE_{MAX,MIN}_VALUE before using them.
7132 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
7133 __HPUX_ASM__ versions.
7135 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
7137 * install.sh: Delete duplicate install script.
7139 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
7141 * reg-stack.c (subst_stack_regs): Pop the stack register for a
7142 computed goto which sets the same stack register.
7144 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
7145 destination are both on the regstack.
7146 (subst_stack_regs_pat): Put the destination at the top of the regstack.
7148 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
7150 * mips.md (nonlocal_goto_receiver): Define.
7152 * profile.c (output_arc_profiler): Check next_insert_after for non
7153 NULL before deferencing it.
7155 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
7157 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
7159 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
7161 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
7163 * toplev.c (rest_of_compilation): For passes starting with
7164 flow_analysis, use print_rtl_with_bb instead of print_rtl.
7166 * print-rtl.c (print_rtl_single): Print a single rtl value to a
7169 * flow.c (print_rtl_with_bb): Print which insns start and end
7170 basic blocks. For the start of a basic block, also print the live
7173 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
7175 * toplev.c (main): Change #elif to #else/#ifdef
7177 * tlink.c: Include ctype.h.
7178 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
7180 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
7182 * bitmap.c: Conditionally include stdlib.h.
7183 (free): Provide a declaration if NEED_DECLARATION_FREE.
7185 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
7187 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
7189 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
7191 * profile.c (output_arc_profiler): Verify next_insert_after is an
7192 INSN before and after skipping a stack pop.
7194 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7196 * final.c (shorten_branches): Don't count the lengths of deleted
7199 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
7201 * version.c: Bump for snapshot.
7203 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
7205 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
7206 two bitmaps ANDed together.
7207 (bitmap_print): Declare.
7209 * bitmap.c (function_obstack): Don't declare any more.
7210 (bitmap_obstack): Obstack for allocating links from.
7211 (bitmap_obstack_init): New static to say whether to initialize
7213 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
7214 (bitmap_release_memory): Free all memory allocated from
7217 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
7218 EXECUTE_IF_AND_IN_BITMAP.
7220 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
7222 * alias.c (true_dependence): Address with AND can alias scalars.
7223 (anti_dependence, output_dependence): Likewise.
7225 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
7227 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
7229 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
7230 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
7231 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
7232 definitions. Use -qrtems instead of -mrtems.
7234 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
7236 * xm-sco5.h (sys_siglist): Define.
7237 (SYS_SIGLIST_DECLARED): Likewise.
7239 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
7241 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
7243 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
7245 * except.c (eh_outer_context): Expand masking operation using
7248 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
7250 * alpha.md (floatdisf2-1): New pattern.
7252 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
7254 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
7255 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
7256 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
7257 * gcc.texi: Note that if you define sys_siglist that you should
7258 also define SYS_SIGLIST_DECLARED.
7260 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
7261 are relative to the next instruction, not the current instruction.
7263 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
7265 * local-alloc.c (contains_replace_regs): New function.
7266 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
7267 verify that there is no existing REG_EQUIV note, and add a call to
7268 contains_place_regs.
7270 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7272 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
7273 (STARTFILE_SPEC): Always use crtbegin.o%s
7274 (ENDFILE_SPEC): Always use crtend.o%s.
7276 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
7278 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
7280 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
7281 SFmode for 64 bit hosts.
7283 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
7285 * fixincludes: Permits spaces between # and define. Discard C++
7286 comments in sys/pci.h on HP/UX 10.20.
7288 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
7290 * version.c: Bump for snapshot.
7292 * pa.c (restore_unscaled_index_insn_codes): New function.
7293 (record_unscaled_index_insn_codes): Likewise.
7294 (output_function_prologue): Call restore_unscaled_index_insn_codes.
7295 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
7296 (pa_reorg): Call record_unscaled_index_insn_codes.
7298 * haifa-sched.c (move_insn): Handle notes correctly for insns
7299 with SCHED_GROUP_P set.
7301 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7303 * alpha/xm-linux.h (USE_BFD): Undef before define.
7305 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
7307 * cse.c (cse_insn): Don't record BLKmode values.
7309 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
7311 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
7313 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
7315 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
7316 * collect2.c (sys_errlist): Likewise.
7317 * cpplib.c (sys_errlist): Likewise.
7318 * gcc.c (sys_errlist): Likewise.
7319 * protoize (sys_errlist): Likewise.
7320 * configure.in: Check for strerror.
7321 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
7322 * xm-gnu.h (HAVE_STRERROR): Likewise.
7323 * xm-linux.h (HAVE_STRERROR): Likewise.
7324 * xm-netbsd.h (HAVE_STRERROR): Likewise.
7325 * xm-bsd386.h (HAVE_STRERROR): Likewise.
7326 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
7327 * xm-dos.h (HAVE_STRERROR): Likewise.
7328 * xm-mingw32.h (HAVE_STRERROR): Likewise.
7329 * xm-pa.h (HAVE_STRERROR): Likewise.
7330 * xm-papro.h (HAVE_STRERROR): Likewise.
7331 * xm-sysv4.h (HAVE_STRERROR): Likewise.
7332 * configure, config.in: Rebuilt.
7334 * Makefile.in: Add several missing "else true" clauses.
7336 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
7337 * mips-tfile.c: Likewise.
7338 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
7339 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
7340 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
7341 * configure.in: Check for sys_siglist declaration.
7342 * configure, config.in: Rebuilt.
7344 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
7346 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
7347 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
7348 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
7349 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
7350 * rs6000/sysv4.h (extra_subtarget_switches): Added new
7351 macro EXTRA_SUBTARGET_SWITCHES.
7352 * configure.in (sh*-*-rtems*): New target.
7353 * sh/rtems.h: New file.
7354 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
7355 * configure: Rebuilt.
7357 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
7359 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
7361 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
7363 * rs6000.md: Make DF fused-add operations pay attention to
7366 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
7368 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
7370 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
7372 * pa.md (reload_peepholes): Make sure operand is a REG before
7373 examining REGNO. Allow general registers too.
7375 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
7377 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
7379 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
7381 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
7382 to reallocate abbrev_die_table.
7384 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
7386 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
7388 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7390 * Makefile.in (config.status): Depend on version.c
7392 * expr.h (insn_gen_function): Reenable prototype.
7394 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
7397 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
7399 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
7401 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
7403 * version.c: Bump for latest snapshot.
7405 * bc-optab.c: Conditionally include stdlib.h.
7406 (free): Provide a declaration if NEED_DECLARATION_FREE.
7407 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
7408 * rtl.h (free): Remove declaration.
7409 * tree.h (free): Remvoe declaration.
7411 * configure: Rebuilt.
7413 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
7415 * flags.h (flag_move_all_movables): Declare.
7416 (flag_reduce_all_givs): Likewise.
7417 * loop.c (move_movables): Handle flag_move_all_movables.
7418 (strength_reduce): Handle flag_reduce_all_givs.
7419 * toplev.c (flag_move_all_movables): Define.
7420 (flag_reduce_all_givs): Likewise.
7421 (f_options): Add -fmove-all-movables and -freduce-all-givs.
7422 * invoke.texi: Document new options, including alias stuff that
7423 wasn't included last time.
7425 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
7427 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
7430 * t-vxworks68: Ditto.
7431 * t-vxworks960: Ditto.
7434 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
7436 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
7437 if not already defined, and USE_C_ALLOCA not defined.
7439 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
7441 * config.guess: Replace with script that uses ../config.guess.
7443 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
7444 if USE_GNULIBC_1 is not defined.
7446 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
7448 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
7449 * config.guess: Recognize alpha-linux-gnulibc1.
7450 * configure.in (alpha-*-linux-gnulibc1): New target.
7451 (alpha-*-linux-gnu*): Don't build crtbegin/end.
7453 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
7455 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
7458 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
7460 * loop.c (combine_movables): Earlier insns don't match later ones.
7462 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7464 * config/linux.h (CC1_SPEC): Define it only if not defined.
7466 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
7469 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
7470 USE_GNULIBC_1 is not defined.
7472 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
7474 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
7475 as 1 if USE_GNULIBC_1 is not defined.
7477 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
7479 * reorg.c (dbr_schedule): Allow current_function_return_rtx
7480 to be something other than a REG.
7481 * function.c (expand_function_end): Fix current_function_return_rtx
7484 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
7485 * x-netbsd: Likewise
7486 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
7487 (INSTALL_HEADERS): Delete.
7488 * x-dguxbcs: Likewise.
7489 * x-hp3bsd44: Likewise
7492 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7494 * i386.md (pop): pop increments the stack pointer.
7495 (prologue_set_stack_ptr): New pattern.
7496 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
7499 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
7501 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
7502 address where an offsettable address is required.
7504 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
7506 * loop.c (check_final_value): Don't miss a biv increment in a
7509 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
7511 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
7512 TYPE_DECL_IS_STUB instead of DECL_NAME.
7514 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7516 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
7518 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
7520 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
7522 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
7524 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
7525 (find_post_sched_live): Likewise.
7527 * haifa-sched.c (schedule_block): Remove old code to get arguments
7528 from hard regs into pseudos early.
7530 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
7532 * version.c: Bump for new snapshot.
7534 * local-alloc.c (update_equiv_regs): All the target to reject
7535 promotion of some REG_EQUAL to REG_EQUIV notes.
7536 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
7538 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
7541 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
7542 store of the argument registers.
7544 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
7546 * fold-const.c (multiple_of_p): New function.
7547 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
7549 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
7551 * expr.h (insn_gen_function): Temporarily remove prototype.
7553 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
7555 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
7556 filenames. Use sed to extract base filename for install.
7558 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
7560 * unroll.c (find_splittable_givs): Only share if two givs have the
7561 same add and multiply values.
7563 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
7565 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
7566 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
7568 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
7570 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
7571 around branch tables.
7572 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
7573 and .end_brtab directives if TARGET_GAS.
7575 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
7577 * alias.c (true_dependence): Pass x_addr not x to varies.
7579 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
7580 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
7581 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
7583 * config.in, configure: Regenerate.
7585 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
7587 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
7589 (record_set): Handle LO_SUM like PLUS.
7590 (init_alias_analysis): When following chains of base addresses,
7591 do not stop on reaching a hard register.
7593 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
7595 * version.c: Bump for new snapshot.
7597 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
7599 * alpha.h (ARCH_ASM_FILE_START): Define.
7600 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
7601 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
7603 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
7605 * Makefile.in (install-common): Put gcov comment at start of line.
7607 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
7609 * alias.c (init_alias_analysis): When simplifying the reg_base_value
7610 array, simplify entries for hard registers too.
7612 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
7614 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
7617 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
7619 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
7620 block_stack before dereferencing it.
7622 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
7624 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
7626 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
7628 * cplus-dem.c: Add 'extern' to prepends_underscore.
7630 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
7632 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
7633 (get_issue_rate): Delete.
7634 * pa.h (ISSUE_RATE): Define.
7636 * configure.in: Turn on haifa by default for the PA.
7637 * configure: Rebuilt.
7638 * pa.c (override_options): Accept -mschedule=7200 option.
7639 (pa_adjust_cost): No longer need to scale costs for newer
7641 * pa.h (enum processor_type): Add PROCESSOR_7200.
7642 * pa.md: Revamp scheduling parameters to work better with
7643 haifa. Add scheduling parameters for the 7200.
7645 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
7647 (schedule_block): When adjusting basic_block_{head,end}, account
7648 for movement of SCHED_GROUP_P insns too.
7650 * haifa-sched.c (debug_dependencies): Fix thinko.
7652 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
7653 (site.exp, check, check-g++, check-gcc): New targets.
7655 * haifa-sched.c: Make lots of variables static.
7657 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7659 * expr.h, real.h: Finish prototyping.
7661 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
7663 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
7664 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
7665 * reload1.c: Undo bugfix from Aug 11.
7667 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
7669 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
7670 quotes around the name.
7671 * configure: Regenerate.
7673 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
7675 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
7677 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
7679 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
7680 to sub-makes to avoid building more passes than the user might have
7681 requested on the command line.
7683 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
7685 * configure.in: Expurgate `broken_install' (install is
7688 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
7691 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
7693 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
7694 functions and declarations.
7695 (analyze_loop_iterations): Use condjump_p.
7696 (insert_bct): Likewise. Use exact_log2.
7698 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
7700 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
7701 (schedule_region): Likewise.
7702 (schedule_insns): Likewise.
7704 * PROJECTS: Update with Haifa stuff.
7706 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
7708 * version.c: Change the version string to look like:
7709 egcs-2.90.00 970814 (gcc2-970802 experimental).
7711 * loop.c (is_conditional_branch): Make definition match declaration.
7713 * gcc.c: Take out experimental snapshot warning message.
7715 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
7717 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
7718 print out the names of the notes. Print out the name of the insn
7719 that is not a note, and not an {,CALL_,JUMP_}INSN.
7721 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
7723 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
7724 again for the slot after we give it RTL.
7726 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
7728 * configure.in (haifa configury): Fix typo.
7729 * configure: Regenerate.
7731 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
7733 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
7735 * gcc.info*: Rebuilt.
7737 * COPYING.g77, README.g77: New files.
7738 * real.c (ereal_unto_float, ereal_unto_double): New functions.
7739 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
7740 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
7742 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
7744 * Integrate Haifa instruction scheduler.
7745 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
7746 to sched with $(SCHED_CFLAGS.
7747 * configure.in: Handle --enable-haifa.
7748 * configure: Rebuilt.
7749 * flags.h: Add new flags for haifa instruction scheduler.
7750 * genattrtab.c (expand_units): For haifa, don't subtract one
7751 when computing blockage.
7752 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
7753 (flag_schedule_speculative): Ditto.
7754 (flag_schedule_speculative_load): Ditto.
7755 (flag_schedule_speculative_load_dangerous): Ditto.
7756 (flag_schedule_reverse_before_reload): Ditto.
7757 (flag_schedule_reverse_after_reload): Ditto.
7758 (flag_branch_on_count_reg): Ditto.
7759 (f_options): Add Haifa switches.
7760 (main): Turn off some Haifa options if appropriate macro is
7761 defined. Process Haifa switches.
7762 * unroll.c (iteration_info): No longer static, since Haifa
7764 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
7765 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
7766 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
7767 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
7768 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
7769 storage for the Haifa scheduler.
7770 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
7772 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
7773 are defined, call analyze_loop_iterations and insert_bct to use
7775 (record_giv): Refine test for jumps out of loops if HAIFA is
7777 (analyze_loop_iterations): New function to identify if we can use
7779 (insert_bct): Insert countdown loop.
7780 (instrument_loop_bct): Low level code to insert countdown loop.
7781 (loop_number): Calculate UID of loop.
7782 (indirect_jump_in_function_p): Return true if an indirect jump is
7784 (is_power_of_2): Return true if value is a power of 2.
7785 (is_conditional_branch): Return true if insn is a conditional
7787 (fix_bct_param): Process -fbct-{min,max}-N switches.
7788 (check_bct_param): Return true if loop should be instrumented.
7789 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
7790 (loop_optimize): Initialize.
7791 (get_condition_for_loop): Ditto.
7792 * loop.c (strength_reduce): Inside of code that uses #ifdef
7793 HAVE_decrement_and_branch_on_count code, test it to make sure the
7795 (instrument_loop_bct): Ditto.
7796 * haifa-sched.c: New file.
7799 * Integrate regmove pass.
7800 * Makefile.in (OBJS): Add regmove.o
7801 (regmove.o): Add dependencies.
7802 * flow.c (find_use_as_address): No longer static.
7803 * rtl.h (find_use_as_address): Declare.
7804 * toplev.c (regmove_dump, flag_regmove): Define.
7805 (f_options): Add -fregmove.
7806 (regmove_dump_file, regmove_time): Define.
7807 (fatal_insn): Close the regmove dump file.
7808 (compile_file): Initialize regmove_time; open/close the regmove dump
7809 file as needed. Print regmove time as needed.
7810 (rest_of_compilation): Run regmove pass if requested, dump
7811 RTL after regmove if requested.
7812 (main): If -O2 or more, turn on regmove. Handle dump switches.
7813 * regmove.c: New file.
7815 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
7817 * Integrate tlink patch from jason@cygnus.com
7818 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
7819 (process_command): Increment n_switches for them. Don't discard
7820 their args. Validate them.
7821 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
7823 (process_command): Set include_prefixes from COMPILER_PATH.
7824 (main): Set COLLECT_GCC_OPTIONS sooner.
7825 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
7826 * tlink.c, hash.c, hash.h: New files.
7827 * Makefile.in (USE_COLLECT2): Always use collect2.
7828 (collect2): Depend on and link in hash.o and tlink.o.
7829 (tlink.o, hash.o): Add dependencies.
7831 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
7833 * Integrate alias analysis changes from jfc@mit.edu
7834 * Makefile.in (OBJS): Add alias.o
7835 (alias.o): Add dependencies.
7836 * alias.c: New file.
7837 * sched.c: Remove alias analysis code. It lives in alias.c now.
7838 (sched_analyze_2): Add new arguments to true_dependence.
7839 (schedule_insns): Always call init_alias_analysis.
7840 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
7841 mark return value from such functions as a pointer and keep track of
7842 them for alias analysis. If a return value from a function is a
7843 pointer, mark it as such.
7844 * combine.c (distribute_notes): Handle REG_NOALIAS.
7845 * cse.c (struct write_data): Delete. No longer needed.
7846 (invalidate): Don't call set_nonvarying_address_components anymore.
7847 Use true_dependence to decide if an entry should be removed from
7849 (invalidate_memory): Remove WRITES argument, simplify appropriately.
7851 (note_mem_written): Similarly for WRITE_PTR argument.
7852 (invalidate_from_clobbers): Similarly for W argument.
7853 (invalidate_for_call): Remove memory elements from the hash table.
7854 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
7855 (cse_rtx_varies_p): New function. Derived from old
7856 cse_rtx_addr_varies_p.
7857 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
7858 Don't call note_mem_written anymore. Stack pushes invalidate the stack
7859 pointer if PUSH_ROUNDING is defined. No longer need to call
7860 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
7861 (skipped_writes_memory): Remove variable.
7862 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
7863 (invalidate_skipped_block): Simplify for new alias analysis code.
7864 (cse_set_around_loop): Likewise.
7865 (cse_main): Call init_alias_analysis.
7866 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
7867 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
7868 (f_options): Add new alias checking arguments.
7869 (main): Set flag_alias_check when optimizing.
7870 * local_alloc (validate_equiv_mem_from_store): Add new arguments
7872 (memref_referenced_p): Likewise.
7873 * loop.c (NUM_STORES): Increase to 30.
7874 (prescan_loop): Only non-constant calls set unknown_address_altered.
7875 (invariant_p): Add new arguments to true_dependence.
7876 (record_giv): Initialize unrolled and shared fields.
7877 (emit_iv_add_mult): Call record_base_value as needed.
7878 * loop.h (struct induction): Add unrolled and shared fields.
7879 * unroll.c (unroll_loop): Call record_base_value as needed.
7880 (copy_loop_body): Likewise.
7881 (final_biv_value): Likewise.
7882 (final_giv_value): Likewise.
7883 (find_splittable_regs): Likewise. Only create one new pseudo
7884 if we have multiple address GIVs that were combined with the same
7885 dst_reg GIV. Note when a new register is created due to unrolling.
7886 * rtl.c (reg_note_name): Add REG_NOALIAS.
7887 * rtl.h (enum reg_note): Similarly.
7888 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
7889 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
7890 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
7891 (true_dependence, read_dependence, anti_dependence): Likewise.
7892 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
7893 (mark_user_reg, mark_reg_pointer): Likewise.
7896 * Integrate reload bugfix from Wilon which enables the PA port
7898 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
7899 OPERAND_ADDRESS when computing how many registers an insn needs.
7900 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
7902 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
7904 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
7905 in reload_reg_use_in_op_addr do not reach the end.
7906 do not reach the end.
7907 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
7908 RELOAD_FOR_OPERAND_ADDRESS.
7910 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
7912 * egcs project officially starts.