1 Mon Apr 20 22:37:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3 * final.c (shorten_branches, init_insn_lengths): Move code
4 to free label_align, uid_shuid, insn_lengths, insn_addresses
5 and uid_align from the former function into the latter one;
6 Add code to clear these variables.
7 * sh.h (label_align): Remove declaration.
9 Mon Apr 20 14:48:29 1998 Michael Meissner <meissner@cygnus.com>
11 * gcc.c (lang_specific_driver): Declare prototype properly so
12 fatal can be passed to it without error.
14 * configure.in (AC_CHECK_FUNCS): Check for strchr and strrchr.
15 * configure: Regenerate.
16 * config.in: Add #undef's for strchr and strrchr.
18 * protoize.c (toplevel): If we have rindex, but not strrchr, map
20 (file_could_be_converted): Use strrchr, not rindex since rindex is
21 not defined on Linux systems when _POSIX_SOURCE is defined.
22 (file_normally_convertible): Ditto.
23 (process_aux_info_file): Ditto.
26 * rs6000.md (mov{sf,df} define_splits): When splitting a move of
27 a constant to an integer register, don't split the insns that do
28 the simple AND and OR operations, rather just split each word, and
29 let the normal movsi define split handle it further.
31 Mon Apr 20 18:19:40 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
33 * sh.c (find_barrier): Fix bug in ADDR_DIFF_VEC handling.
34 (split_branches): Call init_insn_lengths.
36 Mon Apr 20 07:37:49 1998 Michael Meissner <meissner@cygnus.com>
38 * i386.c: Include expr.h to get the change_address prototype
41 Mon Apr 20 01:00:05 1998 H.J. Lu (hjl@gnu.org)
43 * reg-stack.c (subst_asm_stack_regs): Change to return the last
44 new insn generated by this function.
45 (subst_stack_regs): Likewise.
46 (convert_regs): Record the last newly generated insn and use
47 it for change_stack () instead of INSN.
49 Sun Apr 19 15:41:24 1998 Manfred Hollstein <manfred@s-direktnet.de>
51 * fix-header.c (enum special_file): Undefine enumerators if they
52 are already defined by include files.
53 * fixproto (rel_source_file in unistd.h stdlib.h): Prefix file protection
54 macro with '__' to not pollute user namespace.
56 Sun Apr 19 02:42:06 1998 Richard Henderson <rth@cygnus.com>
58 * haifa-sched.c (queue_to_ready): Fix typo in prototype.
60 Sat Apr 18 23:52:35 PDT 1998 Jeff Law (law@cygnus.com)
62 * version.c: Bump for snapshot.
64 Sat Apr 18 18:30:22 1998 Jim Wilson <wilson@cygnus.com>
66 * i386.md (fix_truncsfdi2+[123]): Add + to operand 1 constraints.
68 * i386.h (CPP_CPU_DEFAULT): Renamed to CPP_CPU_DEFAULT_SPEC.
69 Add missing -Dpentium* options.
70 (CPP_CPU_SPEC): Delete redundant definition. Include cpp_cpu_default
71 instead of CPP_CPU_DEFAULT.
72 (EXTRA_SPECS): Add entry for cpp_cpu_default.
74 Sat Apr 18 19:06:59 1998 David Edelsohn <edelsohn@mhpcc.edu>
76 * rs6000.md (floatsidf2_loadaddr): rs6000_fpmem_offset will be
77 negative in a stackless frame.
78 * rs6000.c (rs6000_stack_info): Don't include fixed-size link area
79 in stackless frame size. Support 64-bit stackless frame size.
80 Combine fpmem offset calculations and don't add total_size to
81 offset if not pushing a stack frame.
83 Sat Apr 18 15:41:16 1998 Jim Wilson <wilson@cygnus.com>
85 * regmove.c (fixup_match_1): In three places, in flag_exceptions
88 Sat Apr 18 15:30:49 1998 Jim Wilson <wilson@cygnus.com>
90 * gcc.c (lang_specific_driver): Add new parm type to prototype.
91 (added_libraries): New file scope static variable.
92 (process_command): Initialize added_libraries. Pass it to
94 (main): Use added_libraries in check for no input files.
96 Sat Apr 18 01:23:11 1998 John Carr <jfc@mit.edu>
98 * sparc.c, sparc.h, sparc.md, sol2.h: Many changes related to V9
99 code generation. Use 64 bit instructions in 32 bit mode when
100 possible. Use V9 return instruction. UltraSPARC optimizations.
102 * sparc.h: Change gen_rtx (CODE to gen_rtx_CODE (.
104 Fri Apr 17 22:38:17 1998 Jeffrey A Law (law@cygnus.com)
106 * global.c (global_alloc): Don't pass HARD_CONST (0) to find_reg,
107 just pass zero. That will work regardless of the size of HARD_REG_SET.
109 * libgcc2.c (__floatdisf): Fix a couple typos.
111 Fri Apr 17 17:28:26 1998 Jim Wilson <wilson@cygnus.com>
113 * Makefile.in (mostlyclean): Delete *.mach and *.bp files.
115 Fri Apr 17 16:35:35 1998 Greg McGary <gkm@gnu.org>
117 * emit-rtl.c (gen_highpart): initialize `word' properly for pseudo.
119 Fri Apr 17 14:30:37 1998 John Carr <jfc@mit.edu>
121 * emit-rtl.c (operand_subword_force): If a register can not be
122 accessed by words, copy it to a pseudo register.
124 Fri Apr 17 14:30:37 1998 Jim Wilson <wilson@cygnus.com>
126 * rs6000/vxppc.h (CPP_SPEC): Add support for mrelocatable*.
128 Fri Apr 17 17:01:25 1998 Michael Meissner <meissner@cygnus.com>
130 * tree.h (mark_seen_cases): Delete declaration.
132 Fri Apr 17 13:32:20 1998 Jeffrey A Law (law@cygnus.com)
134 * stmt.c (mark_seen_cases): Make static and add prototype.
136 Fri Apr 17 11:21:43 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
138 * frame.c: Include stdlib.h and unistd.h to possibly get various
139 function prototypes. The fixproto script guarantees these header
140 files exist on the target system.
141 * libgcc2.c: Likewise.
143 * gthr-single.h (__gthread_mutex_lock, __gthread_mutex_trylock,
144 __gthread_mutex_unlock): Add __attribute__ ((__unused__)) to the
146 * libgcc2.c (__udiv_w_sdiv): Likewise.
148 Thu Apr 16 22:41:02 1998 Jeffrey A Law (law@cygnus.com)
150 * varasm.c (asm_output_bss): Add prototype.
151 (asm_output_aligned_bss): Likewise.
153 * unroll.c (verify_addresses): Add prototype.
155 * toplev.c: Add many prototypes. Too many to mention here.
157 * stmt.c (check_seenlabel): Add prototype.
159 * rtlanal.c (reg_set_p_1): Add prototype.
160 (reg_set_last_1): Likewise.
162 * reorg.c (find_dead_or_set_registers): Add prototype.
164 * regmove (try_auto_increment): Add prototype.
166 * reg-stack.c (pop_stack): Add prototype.
168 * recog.c (validate_replace_rtx_1): Add prototype.
169 (find_cosntant_term_loc): Likewise.
171 * loop.c (regs_patch_p): Add prototype.
172 (add_label_notes, count_nonfixed_reads): Likewise.
173 (find_single_use_in_loop): Likewise.
174 (express_from): Surround prototype with #ifdef.
175 (giv_sort): Similarly.
177 * jump.c (mark_modified_reg): Add prototype.
179 * haifa-sched.c (is_prisky): Add prototype.
180 (queue_to_ready): Likewise.
182 * genextract.c (gen_insn): Add prototype.
184 * genemit.c (max_operand_1): Add prototype.
185 (max_operand_vec, print_code, gen_exp, gen_insn): Likewise.
186 (gen_expand, gen_explit, output_add_clobbers): Likewise.
187 (output_init_mov_optab): Likewise.
189 * genattrtab.c (attr_hash_add_rtx): Add prototype.
190 (attr_hash_add_string, write_length_unit_log): Likewise.
192 * genattr.c (init_range): Add prototype.
194 * combine.c (sets_function_arg_p): Add prototype.
196 * expr.c (store_constructor_field): Add prototype.
197 (get_memory_usage_from_modifier): Likewise
199 * expmed.c (synth_mult): Add prototype.
200 (choose_multiplier, invert_mod2n): Likewise.
202 * except.c (push_eh_entry): Add prototype.
203 (pop_eh_entry, enqueue_eh_entry, dequeu_eh_entry): Likewise.
204 (call_get_eh_context, start_dynamic_cleanup): Likewise.
205 (start_dynamic_handler, can_throw): Likewise.
206 (output_exception_table_entry, scan_region): Likewise.
207 (eh_regs, set_insn_eh_region): Likewise.
209 * dwarfout.c (decl_class_context): Add prototype.
210 (output_inheritance_die, type_ok_for_scope): Likewise.
212 * c-lex.c (skip_white_space_on_line): Add prototype.
214 * alias.c (record_set): Add prototype.
215 (find_base_term, base_alias_check): Likewise.
217 * function.c (assign_outer_stack_local): Make static and add prototype.
219 * haifa-sched.c (build_control_flow): Accept raw data as inputs
220 instead of computing it locally. Callers changed.
221 (find_rgns): Several new arguments. Callers changed.
222 Generally clean up and comment better. Use dominators to
223 identify reducible loops. Convert some flag arrays to bitmaps.
224 Convert most of the code to work on pred/succ lists instead of
225 an edge table. Add comments for future improvements.
226 (schedule_insns): Allocate temporary tables for flow data, call
227 routines to compute flow data and pass it along to children as
229 (debug_control_flow): Delete. Use dump_bb_data instead.
231 * basic-block.h (compute_dominators): Declare.
233 * flow.c (dump_sbitmap, dump_sbitmap_vector): New debugging
235 * basic-block.h: Declare them.
237 Thu Apr 16 13:45:51 1998 Jim Wilson <wilson@cygnus.com>
239 * reg-stack.c (constrain_asm_operands): Set n_alternatives to zero if
242 Wed Apr 15 11:33:09 1998 Alexandre Petit-Bianco <apbianco@sendai.cygnus.com>
244 * tree.c (build_expr_wfl): Use NULL_TREE if the file name is NULL.
245 Propagate TREE_SIDE_EFFECTS and TREE_TYPE iff the encapsulated
246 node is non NULL. Cache last file name and file name identifier node.
248 1998-04-15 Mark Mitchell <mmitchell@usa.net>
250 * c-common.c (declare_hidden_char_array): Use TYPE_DOMAIN to get
251 the length of an array, not TREE_TYPE.
253 Wed Apr 15 15:31:34 1998 Jeffrey A Law (law@cygnus.com)
255 * flow.c (sbitmap_union_of_successors): New function.
256 * basic-block.h (sbitmap_union_of_successors): Declare it.
258 Wed Apr 15 12:38:03 1998 Jim Wilson <wilson@cygnus.com>
260 * configure.in (gnu_ld): Rename to gnu_ld_flag before main loop.
261 Set gnu_ld to gnu_ld_flag inside main loop.
264 Wed Apr 15 14:50:05 1998 Dave Brolley <brolley@cygnus.com>
266 * toplev.c (compile_file): Call init_parse using new interface.
267 (init_lex): Remove declaration.
269 * c-lex.c (init_parse): Now returns char* containing filename.
271 Wed Apr 15 12:37:10 1998 Jeffrey A Law (law@cygnus.com)
273 * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing if not optimizing.
275 Wed Apr 15 12:10:18 1998 Michael Meissner <meissner@cygnus.com>
277 * Makefile.in (gen{config,flags,codes,emit}): Link in host print-rtl.o.
278 (gen{extract,peep,opinit,output}): Ditto.
280 * gen{attr,codes,config,emit,output}.c (insn_attr_name): Provide a
281 global definition so print-rtl.o can be linked in.
282 * gen{peep,recog}.c (insn_attr_name): Ditto.
284 Tue Apr 14 07:30:57 1998 K. Richard Pixley <rich@kyoto.noir.com>
286 * fixincludes: discard empty C++ comments, as found in sys/time.h
289 Wed Apr 15 10:47:21 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
291 * config/m68k/m68k.md (adddi3, subdi3): Optimize for constant
294 Wed Apr 15 01:21:21 1998 Jeffrey A Law (law@cygnus.com)
296 * emit-rtl.c (operand_subword): Rework slightly to avoid
297 bogus warning from previous change.
299 Tue Apr 14 23:39:13 1998 Richard Henderson <rth@cygnus.com>
301 * alpha.md: Revert Oct 27 change, as it is superceeded by Kenner's
302 Nov 8 find_replacement change. Move decls of get_unaligned_address
305 Tue Apr 14 22:00:39 1998 John Carr <jfc@mit.edu>
307 * function.c (assign_parms): Initialize unsignedp before passing
308 its pointer to promote_mode.
310 * genattrtab.c (check_attr_test): Handle MATCH_INSN like MATCH_OPERAND.
311 (write_test_expr): Allow MATCH_INSN.
313 Tue Apr 14 21:57:57 1998 Paul Eggert <eggert@twinsun.com>
315 * install.texi: Update section on warnings that can be safely ignored.
317 Tue Apr 14 14:55:16 1998 Jim Wilson <wilson@cygnus.com>
319 * mips.md (reload_outdi): Change the scratch mode from DImode to
320 TImode. New variable scratch, used instead of operand[2] in template.
321 Add code for MIPS16 HILO_REGNUM case where output reg is not M16_REG_P.
323 Tue Apr 14 16:19:03 1998 Michael Meissner <meissner@cygnus.com>
325 * expr.c (MOVE_RATIO): Set to 3 if optimizing for space.
327 Tue Apr 14 11:31:28 1998 Krister Walfridsson <cato@df.lth.se>
329 * i386/bsd386.h (ASM_OUTPUT_ALIGN): Redefine.
331 Tue Apr 14 09:02:32 1998 Jeffrey A Law (law@cygnus.com)
333 * svr4.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
334 (ASM_FINISH_DECLARE_OBJECT): Likewise.
336 * Idea and part of the patch from HJ.
337 * Makefile.in: auto-host.h renamed from auto-config.h. All references
339 (distclean): Remove auto-build.h too.
340 * configure.in: Rename host autoconf generated file to auto-host.h.
341 If host != build, then run autoconf to generate auto-build.h for
342 the build machine and include it in build_xm_files.
343 Check for wait.h and sys/wait.h.
345 * combine.c (simplify_rtx, case TRUNCATE): Respect value of
346 TRULY_NOOP_TRUNCATION.
348 Mon Apr 13 11:31:49 1998 Jason Merrill <jason@yorick.cygnus.com>
350 * tree.h (BINFO_OFFSET_ZEROP): Use integer_zerop.
352 Sun Apr 12 20:55:32 1998 Catherine Moore <clm@cygnus.com>
354 * invoke.texi (ld options) Include memset requirements
355 for options -nodstdlib and -nodefaultlibs.
357 1998-04-12 Paul Eggert <eggert@twinsun.com>
359 This change is from an idea suggested by Arthur David Olson.
361 * c-common.c (decl_attributes, record_function_format,
362 check_format_info, init_function_format_info):
363 Add support for strftime format checking.
364 (enum format_type): New type.
365 (record_function_format): Now static, and takes value of type
366 enum format_type instead of int.
367 (time_char_table): New constant.
368 (struct function_format_info): format_type member renamed from is_scan.
369 (check_format_info): Use `warning' rather than sprintf followed by
370 `warning', to avoid mishandling `%' in warnings.
371 Change `pedwarn' to `warning', since these warnings do not necessarily
372 mean the program does not conform to the C Standard, as the code
373 need not be executed.
375 * c-tree.h (record_function_format): Remove decl; no longer extern.
377 * extend.texi: Add documentation for strftime format checking.
379 Sun Apr 12 20:23:03 1998 Jeffrey A Law (law@cygnus.com)
381 * mips/ecoffl.h: Do not include mips.h.
382 * mips/elf.h: Likewise.
384 * configure.in (mips-*-ecoff): Do not mention mips/mips.h in tm_files.
385 * mips/ecoff.h: Include "mips/mips.h".
387 Sat Apr 11 22:42:54 PDT 1998 Jeff Law (law@cygnus.com)
389 * version.c: Bump for snapshot.
391 Sat Apr 11 01:24:28 1998 Jeffrey A Law (law@cygnus.com)
393 * cse.c (count_reg_usage): Correctly handle REG_NONNEG notes.
394 (delete_trivially_dead_insns): Renamed from delete_dead_from_cse.
395 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns instead of delete_dead_from_cse. Also call delete_trivially_dead_insns
396 between loop optimization passes.
397 * rtl.h: Updated appropriately.
399 Fri Apr 10 22:28:32 1998 Jeffrey A Law (law@cygnus.com)
401 Reinstall this patch from Jason.
402 * function.c (push_function_context_to): Don't call init_emit.
404 Fri Apr 10 13:40:20 1998 Nick Clifton <nickc@cygnus.com>
406 * rtl.c (read_skip_spaces): Prevent infinite loops upon
407 encountering unterminated comments.
409 Fri Apr 10 10:43:41 1998 Jeffrey A Law (law@cygnus.com)
411 * emit-rtl.c (operand_subword): Properly handle CONST_INTs for
414 * configure.in: Handle --with-fast-fixincludes.
415 (fixincludes): If --with-fast-fixincludes, then use a different
416 fixincludes program by default.
417 * Makefile.in (fixinc.sh): New rule.
419 Fri Apr 10 00:36:31 1998 H.J. Lu (hjl@gnu.org)
421 * i386.md (movqi+1): Handle invalid QI register.
422 (movsf_push-1): Likewise.
424 Thu Apr 9 16:53:59 1998 Nick Clifton <nickc@cygnus.com>
426 * config/m32r/m32r.c: call_address_operand(): Only accept symbolic
428 symbolic_memort_operand(), call32_operand(), int8_operand(),
429 int16_operand(), uint24_operand(), reg_or_int8_operand(): Removed.
431 uint16_operand(): Made static.
433 Thu Apr 9 01:43:04 1998 Jeffrey A Law (law@cygnus.com)
435 * calls.c (expand_call): Fix typo.
437 Thu Apr 9 00:18:44 1998 Dave Brolley (brolley@cygnus.com)
439 * c-lex.c (finput): New global.
440 (init_parse): Always included. Handle !USE_CPPLIB using
441 code originally in compile_file.
442 (finish_parse): Update for CPPLIB.
443 * toplev.c (init_parse, finish_parse): Declare.
444 (finput): Delete variable. Now in front-ends.
445 (compile_file): Remove code which is now handled by init_parse
446 which is unconditionally called. Similarly for finish_parse.
448 Wed Apr 8 23:13:50 1998 Gavin Koch <gavin@cygnus.com>
450 * config/mips/r3900.h (ASM_OUTPUT_DEF,SUPPORTS_WEAK,
451 ASM_WEAKEN_LABEL): Add.
453 Wed Apr 8 18:21:30 1998 Richard Henderson <rth@cygnus.com>
455 * alpha/crtbegin.asm, alpha/crtend.asm, alpha/t-crtb: New files.
456 * configure.in (alpha-*-linux*): Use them.
458 Fri Apr 3 17:02:13 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
460 * tree.def (EXPR_WITH_FILE_LOCATION): New tree node definition.
461 * tree.h (EXPR_WFL_{NODE,FILENAME,FILENAME_NODE,LINENO,
462 COLNO,LINECOL,SET_LINECOL,EMIT_LINE_NOTE}): New macros.
463 (build_expr_wfl): New prototype declaration.
464 * tree.c (build_expr_wfl): New function, to build
465 EXPR_WITH_FILE_LOCATION nodes.
466 (copy_node): Don't zero TREE_CHAIN if copying a
467 EXPR_WITH_FILE_LOCATION node.
468 * print-tree.c (print_node): Handle EXPR_WITH_FILE_LOCATION.
469 * expr.c (expand_expr): Handle EXPR_WITH_FILE_LOCATION.
471 Wed Apr 8 12:51:19 1998 Jeffrey A Law (law@cygnus.com)
473 * configure.in (v850): Use t-v850.
474 (ix86-wrs-vxworks): Recognize 786 just like other x86 configurations.
476 * protoize.c (creat, read, write): Do not declare.
478 * jump.c (mark_jump_label): Record REG_LABEL notes for insns which
479 refer to the CODE_LABEL before a dispatch table.
481 * invoke.texi: Add ARC options.
483 * gcc.c (proces_command): Improve error message for -o with
486 * i386/x-cygwin32 (CLIB): Link in advapi32.
488 * alpha.h (ASM_IDENTIFY_GCC): Define to nothing.
489 (ASM_IDENTIFY_LANGUAGE): Likewise.
491 * i386.md (movqi recognizer): Don't perfom byte increment into
494 * configure.in (x86-dg-dgux): Run fixinc.dgux.
496 * i370.h: Fix typo in GEN_INT changes.
498 * bitmap.c (bitmap_element_allocate): Use "void" for arglist instead
499 of an empty arglist in prototype.
501 * Makefile.in: Remove bytecode crud that crept back in after the
504 1998-04-08 Brendan Kehoe <brendan@cygnus.com>
506 * c-lex.h (is_class_name): Fix arg type to be tree, not void.
507 (make_pointer_declarator, reinit_parse_for_function): Fix typo.
509 Wed Apr 8 06:16:45 1998 Richard Earnshaw (rearnsha@arm.com)
511 * arm.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
513 Wed Apr 8 00:44:18 1998 Bernd Schmidt (crux@pool.informatik.rwth-aachen.de>
515 * c-lex.c (is_class_name): Delete declaration.
516 (whitespace_cr): Make static and add prototype.
517 * c-lex.h (make_pointer_declarator, reinit_parse_for_function,
518 yylex, get_directive_line): Turn declarations into prototypes.
519 (position_after_whitespace, check_newline, yyerror,, is_class_name,
520 forget_protocol_qualifiers, remember_protocol_qualifiers): Add
522 * genattr.c (extend_range, write_upcase, gen_attr, write_units): Add
524 * gencodes.c (gen_insn): Add prototype.
525 * genconfig.c (walk_insn, gen_insn, gen_expand, gen_split,
526 gen_peephole): Add prototypes.
527 * genflags.c (num_operands, gen_proto, gen_nonproto, gen_insn): Add
529 * gengenrtl.c (type_from_format, accessor_from_format, special_rtx,
530 special_format, find_formats, gendecl, genmacro, gendef, genlegend,
531 genheader, gencode): Add prototypes.
532 * genopinit.c (gen_insn): Add prototype.
533 * genoutput.c (output_prologue, output_epilogue, scan_operands,
534 process_template, validate_insn_alternatives, gen_insn, gen_peephole,
535 gen_expand, gen_split, n_occurrences): Add prototypes.
536 * genpeep.c (gen_peephole): Add prototype.
537 * loop.c (find_and_verify_loops, mark_loop_jump, prescan_loop,
538 reg_in_basic_block_p, consec_sets_invariant_p, libcall_other_reg,
539 labels_in_range_p, count_loop_regs_set, note_addr_stored,
540 loop_reg_used_before_p, scan_loop, replace_call_address,
541 skip_consec_insns, libcall_benefit, ignore_some_movables,
542 force_movables, combine_movables, rtx_equal_for_loop_p, move_movables,
543 strength_reduce, valid_initial_value_p, find_mem_givs, record_biv,
544 check_final_value, record_giv, update_giv_derive, basic_induction_var,
545 simplify_giv_expr, general_induction_var, consec_sets_giv,
546 check_dbra_loop, express_from, combine_givs_p, combine_givs,
547 product_cheap_p, maybe_eliminate_biv, maybe_eliminate_biv_1,
548 last_use_this_basic_block, record_initial, update_reg_last_use,
549 iteration_info, analyze_loop_iterations, insert_bct,
550 instrument_loop_bct, indirect_jump_in_function_p): Turn declarations
553 Tue Apr 7 21:48:52 1998 Jeffrey A Law (law@cygnus.com)
555 * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
557 1998-04-07 Ken Raeburn <raeburn@cygnus.com>
559 * config/mips/mips.c (siginfo): Deleted.
560 (override_options): Don't install SIGINFO signal handler.
562 Tue Apr 7 11:58:04 1998 Jim Wilson <wilson@cygnus.com>
564 * loop.c (check_dbra_loop): When normalize comparison_val, add check
565 to verify it is non-negative.
567 Tue Apr 7 02:01:47 1998 Richard Henderson <rth@cygnus.com>
569 * alpha.c (alpha_expand_block_move): Correctly collect block offsets.
570 (alpha_expand_block_clear): Likewise.
572 Mon Apr 6 23:36:01 1998 Richard Henderson <rth@cygnus.com>
574 * tree.h (sizetype_tab): Fix previous change for K&R.
576 Mon Apr 6 22:23:29 PDT 1998 Jeff Law (law@cygnus.com)
578 * version.c: Bump for snapshot.
580 Mon Apr 6 23:16:10 1998 Richard Earnshaw (rearnsha@arm.com)
582 * configure.in (sparc-*-solaris2*): Add xm-siglist.h to xm_file.
583 Add USG and POSIX to xm_defines.
585 Mon Apr 6 21:49:57 1998 Bob Manson <manson@charmed.cygnus.com>
587 * gcc.c: Add linker spec.
588 (link_command_spec): Use %(linker) instead of ld.
589 (main): If collect2 is requested as the linker, see if it exists;
590 if not, use ld instead.
592 * Makefile.in (USE_COLLECT2): It's named collect2 now, not ld.
594 (install-collect2): Install as collect2, not ld.
596 * configure.in(will_use_collect2): It's named collect2 now.
598 * collect2: Remove checks to see if we were invoked recursively.
599 (collect_execute): Use _spawnvp under cygwin32.
601 Mon Apr 6 17:23:41 1998 Jim Wilson <wilson@cygnus.com>
603 * haifa-sched.c (build_control_flow): Set unreachable for block whose
604 only predecessor is itself.
606 Mon Apr 6 16:08:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
608 * c-parse.in: Include system.h, and remove stuff now made redundant.
611 * protoize.c: Likewise. Properly check for cpp stringification.
613 * Makefile.in (c-parse.o, cccp.o, cexp.o, protoize.o, unprotoize.o):
616 * objc/Make-lang.in (objc-parse.o): Likewise.
618 Mon Apr 6 14:59:58 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
620 * gansidecl.h: Check if compiler supports __attribute__. Provide
621 definitions for ATTRIBUTE_UNUSED and ATTRIBUTE_PRINTF using
622 __attribute__ when its available. Also provide definitions for
623 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2 and ATTRIBUTE_PRINTF_3 in
624 terms of ATTRIBUTE_PRINTF.
626 * genoutput.c (process_template): Use ATTRIBUTE_UNUSED in place
629 Mon Apr 6 07:17:52 1998 Catherine Moore <clm@cygnus.com>
631 * combine.c (can_combine_p): Include successor in volatile test.
633 Mon Apr 6 14:16:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
635 * sh.h (CASE_VECTOR_SHORTEN_MODE): Fix logic when to set
638 Mon Apr 6 02:03:29 1998 Jeffrey A Law (law@cygnus.com)
640 * objc/objc-act.c (encode_aggregate_within): Avoid GNU extensions
641 in prototype and definition.
643 Mon Apr 6 00:48:56 PDT 1998 Jeff Law (law@cygnus.com)
645 * version.c: Bump for snapshot.
647 Mon Apr 6 00:08:50 1998 Richard Henderson <rth@cygnus.com>
649 * alpha.c (alpha_expand_block_clear): Add missing offset arg to
650 alpha_expand_unaligned_store_words.
652 Sun Apr 5 21:31:24 1998 John Wehle (john@feith.com)
654 * i386.md (movsf_push, movsf_mem): Remove.
655 (movsf_push): Rename from movsf_push_nomove and move in front of
656 movsf. Use nonmemory_operand predicate and don't bother checking
658 (movsf_push_memory): New pattern.
659 (movsf): Don't bother checking for push_operand. If TARGET_MOVE and
660 both operands refer to memory then force operand[1] into a register.
661 (movsf_normal): Change to unnamed pattern.
662 Likewise for movdf, movxf, and friends.
664 Sun Apr 5 18:45:51 PDT 1998 Jeff Law (law@cygnus.com)
666 * version.c: Bump for snapshot.
668 Sun Apr 5 16:31:10 1998 Richard Henderson <rth@cygnus.com>
670 * configure.in (alpha-dec-osf*): Match osf1.3 correctly.
672 Sun Apr 5 16:53:37 1998 Don Bowman <don@pixsci.com>
674 * configure.in (mips-wrs-vxworks): New target.
676 Sat Apr 4 23:34:32 PST 1998 Jeff Law (law@cygnus.com)
678 * expmed.c (synth_mult): The value -1, has no zeros, so it can
679 never have the form ...011.
681 * version.c: Bump for snapshot.
683 Sat Apr 4 20:16:46 1998 Richard Henderson <rth@cygnus.com>
685 * i386.c (asm_output_function_prefix, load_pic_register):
686 Use ASM_GENERATE_INTERNAL_LABEL properly.
687 (output_pic_addr_const): Recognize %X to supress any PIC sym suffix.
688 (print_operand): Ignore it.
689 (load_pic_register): Use it for the got load call.
690 * i386.md (prologue_set_got, prologue_get_pc): Likewise.
691 (prologue_get_pc_and_set_got): Likewise.
692 * i386.h: Update print_operand docs.
694 Sat Apr 4 19:08:37 1998 Richard Henderson <rth@cygnus.com>
696 * i386.md (ffssi, ffshi): Rewrite as define_expands.
697 (ffssi_1, ffshi_1): New (unspec [] 5) support patterns.
698 * i386.c (notice_update_cc): Recognize unspec 5.
700 Sat Apr 4 18:07:16 1998 David Mosberger-Tang (davidm@mostang.com)
702 * alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Accept '(' for s/sv/svi.
703 * alpha.c (print_operand): Handle it.
704 * alpha.md (fix_truncsfdi2): Use it. Add earlyclobber pattern
706 (fix_truncdfdi2): Likewise.
708 Sat Apr 4 17:42:05 1998 Richard Henderson <rth@cygnus.com>
710 * tree.h (sizetype_tab[2], sbitsizetype, ubitsizetype): Merge all
711 of these into a single struct, with additional [us]sizetype entries.
712 * stor-layout.c (set_sizetype): Initialize [us]sizetype.
713 * fold-const.c (size_int_wide): Don't rely on sizetype_tab being
716 Sat Apr 4 17:04:41 1998 Richard Henderson <rth@cygnus.com>
718 * configure.in (alpha-*-linux-*): Undo tm_file changes from gcc2 merge.
720 Sat Apr 4 13:50:01 1998 Richard Henderson <rth@cygnus.com>
722 * haifa-sched.c (split_block_insns): Don't supress insn splitting
723 on subsequent passes.
725 * alpha.c (hard_fp_register_operand): New function.
726 * alpha.h (PREDICATE_CODES): Add it.
727 * alpha.md (extendsidi2): Kill bogus f<-f cvtql+cvtlq case. Add an
728 f<-m case and accompanying define_split.
729 (trapb): Use a unique unspec_volatile number.
731 Sat Apr 4 13:32:08 1998 Richard Henderson <rth@cygnus.com>
733 * configure.in (alpha-*-linux-gnu*): Undo Feb 3 change brought in
736 Sat Apr 4 10:23:41 1998 Jeffrey A Law (law@cygnus.com)
738 * Check in merge from gcc2. See ChangeLog.11 and ChangeLog.12
741 * haifa-sched.c: Mirror recent changes from gcc2.
743 Fri Apr 3 00:17:01 1998 Jeffrey A Law (law@cygnus.com)
745 * Makefile.in (insn*.o): Depend on system.h.
747 * pa.c (output_global_address): Initialize base.
748 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Initialize index.
750 1998-04-03 Mike Stump <mrs@wrs.com>
752 * gthr.h: Support systems that don't have weak, but have threads.
753 * configure.in (*wrs-vxworks*): Use VxWorks threads by default.
754 * gthr-vxworks.h: New file.
755 * objc/thr-vxworks.h: Dummy file from thr-single.c for now.
757 Thu Apr 2 18:00:52 1998 Jim Wilson <wilson@cygnus.com>
759 * i386.md (movqi+1): Change alternative 1 from *r/r to *r/*rn.
761 1998-04-02 Vladimir N. Makarov <vmakarov@cygnus.com>
763 * ginclude/va-i960.h (va_end): Change void * to void.
765 Thu Apr 2 13:51:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
767 * Makefile.in (choose-temp.o): Depend on system.h.
769 * choose-temp.c: Include system.h when IN_GCC.
771 Thu Apr 2 02:37:07 1998 Joern Rennecke (amylaar@cygnus.co.uk)
772 Richard Henderson <rth@cygnus.com>
774 * reload.c (find_reloads_address): Try LEGITIMIZE_RELOAD_ADDRESS.
775 (move_replacements): New function.
776 * reload.h: Prototype it.
778 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): New definition.
780 Thu Apr 2 01:01:34 1998 Richard Henderson <rth@cygnus.com>
782 * configure (alpha-*-linuxecoff, alpha-*-linux-gnulibc1):
785 * emit-rtl.c (gen_lowpart_common): Skip count by HARD_REGNO_NREGS.
786 (gen_highpart): Likewise.
787 * final.c (alter_subreg): Allow the target to hook by-mode subreg
788 hard register number changes.
790 Wed Apr 1 22:26:22 1998 Jeffrey A Law (law@cygnus.com)
792 * fold-const.c optimze_bit_field_compare): Initialize rnbitpos,
793 rnbitsize, rnmode and rinner.
794 (make_range): Initialize type.
795 (fold): Initialize arg0, arg1 and varop.
797 * function.c (instantiate_virtual_regs_1): Initialize offset, regnoi
799 (expand_function_start): Initialize last_ptr.
801 * stor-layout.c (layout_record): Initialize desired_align.
802 (get_best_mode): Initialize unit.
804 * tree.c (copy_node): Initialize length.
806 * c-lex.c (yylex): Initialize traditional_type, ansi_type and type.
808 * caller-save.c (insert_save_restore): Initialize pat, code and
811 * emit-rtl.c (push_to_sequence): Initialize top.
812 (push_topmost_sequence): Likewise.
814 * genattrtab.c (simplify_by_exploding): Initialize defval.
816 * profile.c (branch_prob): Initialize dest.
818 * rtl.h (note_stores): Remove duplicate prototype.
819 (GEN_INT): Re-instate cast of second arg to HOST_WIDE_INT.
821 * cplus-dem.c (gnu_special): Don't get confused by .<digits>
822 strings that are not actually lengths.
824 * genattrtab.c: Make generated file use system.h, instead of
825 including stdio.h, etc directly.
826 * genextract.c, genopinit.c, genoutput.c: Likewise.
827 * genpeep.c, genrecog.c: Likewise
829 * genoutput.c (process_template): Mark operands in the generated
830 function as potentially unused if compiling with GNU CC.
832 * i386/freebsd-elf.h (CPP_PREDEFINES): Update from FreeBSD folks.
834 * pa.md (reload peepholes): Remove unused variable "mode".
836 Wed Apr 1 17:06:19 1998 Nick Clifton <nickc@cygnus.com>
838 * config/arm/thumb.h: Add super interworking support.
839 * config/arm/thumb.c: Add super interworking support.
840 * config/arm/thumb.md: Add super interworking support.
841 * config/arm/lib1funcs.asm: Add interworking support.
842 * config/arm/lib1thumb.asm: Add super interworking support.
843 * config/arm/t-semi: Add interworking support.
844 * config/arm/t-thumb: Add interworking support.
845 * config/arm/README-interworking: New file.
847 Wed Apr 1 14:38:10 1998 Jim Wilson <wilson@cygnus.com>
849 * config/mips/iris6.h (MD_EXEC_PREFIX): Set to /usr/bin/.
850 (MD_STARTFILE_PREFIX): Unset.
852 1998-04-01 Mark Mitchell <mmitchell@usa.net>
854 * varasm.c (make_decl_rtl): Update the DECL_ASSEMBLER_NAME for a
855 entity in a local scope.
857 * fold-const.c (fold): Call truthvalue_conversion for values which
858 are folded to boolean type.
860 Wed Apr 1 06:09:53 1998 Jeffrey A Law (law@cygnus.com)
862 * 1750a.md, arm.c, clipper.c, clipper.md: Use GEN_INT consistently.
863 * convex.h, dsp16xx.c, fx80.md, gmicro.c, gmicro.md: Likewise.
864 * i370.h, i370.md, i860.c, i860.h, i860.md, i960.c: Likewise.
865 * i960.h, i960.md, m32r.md, m68k.md, m68kv4.h, m88k.c: Likewise.
866 * m88k.md, ns32k.c, ns32k.md, pdp11.c, pdp11.h, pdp11.md: Likewise.
867 * pyr.c, pyr.h, pyr.md, romp.c, romp.h, romp.md: Likewise.
868 * rs6000.md, sparc.c, sparc.h, sparc.md, spur.c, spur.md: Likewise.
869 * tahoe.md, vax.h, vax.md, we32k.c, we32k.h, we32k.md: Likewise.
872 Wed Apr 1 08:33:44 1998 Manfred Hollstein <manfred@s-direktnet.de>
874 * fixincludes (limits.h): Fix nested comments in Motorola's
875 limits.h and sys/limits.h.
877 Tue Mar 31 16:57:33 1998 Jim Wilson <wilson@cygnus.com>
879 * alpha.c (alpha_expand_unaligned_load): Use tgt instead of addr
880 as dest of expand_binop call.
882 * alpha.md (extzv): Correct check for valid operand[2] values.
884 * profile.c (branch_prob): Add code to recognize HPPA tablejump entry
887 * toplev.c (rest_of__compilation): Call init_recog_no_volatile at end.
889 Mon Mar 30 13:11:05 1998 Stan Cox <scox@cygnus.com>
891 * libgcc2.c: (__main, __do_global_dtors, __do_global_ctors):
892 For __CYGWIN32__ use the versions in winsup/dcrt0.cc.
894 * gcc.c, cccp.c, cpplib.c, collect2.c (GET_ENVIRONMENT): Added.
895 cygwin32 can override this to allow both unix and win32 style PATHs.
897 * i386/xm-cygwin32.h (GET_ENVIRONMENT): Defined to allow win32
898 style environment paths.
900 Mon Mar 30 14:43:20 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
902 * Makefile.in (cppalloc.o, cpperror.o, cppexp.o, cpphash.o,
903 cpplib.o, cppmain.o, fix-header.o, gcov.o, gen-protos.o,
904 gengenrtl.o, halfpic.o, hash.o, scan-decls.o, scan.o): Depend on
907 * cpphash.c: Include config.h.
908 * cppalloc.c: Include system.h. Add parameters to various
910 * cpperror.c: Likewise.
911 * cppexp.c: Likewise.
912 * cpphash.c: Likewise.
913 * cpplib.c: Likewise.
914 * cppmain.c: Likewise.
915 * fix-header.c: Likewise.
917 * gen-protos.c: Likewise.
918 * gengenrtl.c: Likewise.
919 * halfpic.c: Likewise.
921 * scan-decls.c: Likewise.
924 Mon Mar 30 11:06:45 1998 Jim Wilson <wilson@cygnus.com>
926 * README.gnat: Add lang_print_xnode definition.
928 Mon Mar 30 11:12:24 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
930 * config/m68k/m68k.c (standard_68881_constant_p): Don't use
931 fmovecr on the 68060.
933 Mon Mar 30 00:21:03 1998 Jeffrey A Law (law@cygnus.com)
935 * genemit.c (DONE): Rework so that it works in the true arm if
936 an if-else conditional.
939 Sun Mar 29 12:45:23 1998 Jeffrey A Law (law@cygnus.com)
941 * rs6000.c: Do not include stdioh or ctype.h anymore.
943 * Makefile.in (c-typeck.o): Delete on expr.h, insn-codes.h and
945 (stor-layout.o): Likewise.
946 * c-typeck.c: Include rtl.h and expr.h.
947 * stor-layout.c: Likewise.
949 * cpplib.c (cpp_file_line_for_message): Delete unused parameter.
951 (do_sccs): Wrap in an SCCS_DIRECTIVE ifdef.
952 * fix-header.c (cpp_file_line_for_message): Delete unused paramter.
955 * collect2.c (is_in_list): Wrap inside COLLECT_EXPORT_LIST ifdef.
957 * local-alloc.c (reg_classes_overlap_p): Delete dead function.
959 * tree.h (lang_print_xnode): Provide prototype.
961 Sat Mar 28 23:50:44 PST 1998 Jeff Law (law@cygnus.com)
963 * version.c: Bump for snapshot.
965 Sun Mar 29 00:42:21 1998 Jeffrey A Law (law@cygnus.com)
967 * objc/sendmsg.c (__objc_block_forward): Add braces for return
968 value if INVISIBLE_STRUCT_RETURN.
970 * pa.c (arith_double_operand): Fix parens.
972 * haifa-sched.c (print_pattern): Correct arg to sprintf.
974 * Makefile.in (libgcc1.null): Make return type for __foo void.
976 Sat Mar 28 14:37:20 1998 Jeffrey A Law (law@cygnus.com)
978 * pa.h: Add declarations for many functions defined in pa.c.
980 * genpeep.c (main): Remove unused variable 'i' from the generated
983 * genemit.c (gen_expand): Do not emit "_done" or "_fail" labels.
984 (gen_split): Likewise.
985 (main): Rework generated definitions of DONE and FAIL so that they
986 no longer use gotos. Avoids warnings about unused labels.
988 * integrate.c (copy_rtx_and_substitute): Rework to avoid need for
989 unused "junk" variable.
991 * genattrtab.c (write_complex_function): Add a default case in
992 generated switch statement to keep -W -Wall quiet.
994 Sat Mar 28 10:47:21 1998 Nick Clifton <nickc@cygnus.com>
996 * invoke.texi: Document more ARM and Thumb command line options.
998 * config/arm/xm-thumb.h: New file.
1000 Sat Mar 28 01:37:33 1998 Craig Burley <burley@gnu.ai.mit.edu>
1002 * stmt.c (expand_expr_stmt): Must generate code for
1003 statements within an expression (gcc's `({ ... )}')
1004 even if -fsyntax-only.
1006 Sat Mar 28 01:06:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1007 Jeffrey A Law (law@cygnus.com)
1009 * basic-block.h (basic_block_computed_jump_target): Declare.
1010 * flags.h: (current_function_has_computed_jump): Declare.
1011 * flow.c: (basic_block_computed_jump_target): Define.
1012 (flow_analysis): Allocate it. Set current_function_has_computed_jump
1014 (find_basic_blocks): Set current_function_has_computed_jump and
1015 elements of basic_block_computed_jump_target to 1 as appropriate.
1016 * function.c: (current_function_has_computed_jump): Define.
1017 * global.c (global_conflicts): Don't allocate pseudos into stack regs
1018 at the start of a block that is reachable by a computed jump.
1019 * reg-stack.c (stack_reg_life_analysis): If must restart, do so
1021 (subst_stack_regs): Undo change from Sep 4 1997.
1022 (uses_reg_or_mem): Now unused, deleted.
1023 * stupid.c (stupid_life_analysis): Compute
1024 current_function_has_computed_jump.
1025 (stupid_find_reg): Don't allocate stack regs if the function has a
1027 * haifa-sched.c (is_cfg_nonregular): Delete code to determine if
1028 the current function has a computed jump. Use the global value
1031 Sat Mar 28 00:21:37 1998 Jeffrey A Law (law@cygnus.com)
1033 * i386/freebsd.h (CPP_PREDEFINES): Remove __386BSD__.
1034 (DWARF2_UNWIND_INFO): Define to zero.
1036 Fri Mar 27 16:04:49 1998 Michael Meissner <meissner@cygnus.com>
1038 * gcc.c (set_std_prefix): Add declaration.
1039 (process_command): If GCC_EXEC_PREFIX is set, remove /lib/gcc-lib/
1040 suffix, and update the standard prefix prefix.c uses.
1042 * prefix.c (std_prefix): New global to hold default prefix value.
1043 (get_key_value): Change to use std_prefix instead of PREFIX.
1044 (translate_name): Ditto.
1045 (update_path): Ditto.
1046 (get_key_value): Release allocated scratch storage.
1047 (set_std_prefix): New function to reset the standard prefix.
1049 Fri Mar 27 18:08:21 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1051 * sh.c (find_barrier): Fix calculations for alignment increase.
1053 Fri Mar 27 08:56:52 1998 Manfred Hollstein <manfred@s-direktnet.de>
1055 * Makefile.in (stmp-fixinc): If we're actually fixing include
1056 files, copy gcc's assert.h into the fixed include dir.
1057 * fixincludes (assert.h): Avoid any attempts to fix a probably
1058 broken system specific assert.h file.
1059 * fixproto (stdlib.h): Make sure, it'll contain a definition of
1062 Fri Mar 27 00:49:46 1998 Jeffrey A Law (law@cygnus.com)
1064 * regclass.c (reg_scan_mark_refs): Be more selective about
1065 when we mark a register with REGNO_POINTER_FLAG.
1067 Thu Mar 26 23:00:11 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1069 reload inheritance improvement:
1070 * reload1.c (reg_reloaded_contents, reg_reloaded_insn):
1071 Change meaning: index is now hard reg number.
1072 (reg_reloaded_valid, reg_reloaded_dead): New variables.
1073 (reload_spill_index): Content is now a hard reg number.
1074 (reload_as_needed): Change to fit new variable meaning.
1075 (forget_old_reloads_1, allocate_reload_reg): Likewise.
1076 (choose_reload_regs, emit_reload_insns): Likewise.
1078 Thu Mar 26 18:34:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1080 * regclass.c (record_reg_classes): '?' increases cost by two.
1082 * reload.c (find_reloads): Double previous costs. Output
1083 reloads cost one unit extra.
1085 * reload1.c (eliminate_regs): Delete LOAD_EXTENDED_OP code that
1086 boiled down to && ! 0.
1088 * reload.c (find_equiv_reg): Also consider a goal offset from the
1089 frame pointer to be constant.
1091 Thu Mar 26 17:34:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1093 * sh.h (OPTIMIZATION_OPTIONS): Define.
1095 Thu Mar 26 00:19:47 1998 Richard Henderson <rth@cygnus.com>
1097 * combine.c (make_compound_operation): Simplify (subreg (*_extend) 0).
1099 Wed Mar 25 23:53:11 1998 Jeffrey A Law (law@cygnus.com)
1101 * pa.c (pa_adjust_cost): Avoid redundant calls to get_attr_type.
1103 Wed Mar 25 13:40:48 1998 Jim Wilson <wilson@cygnus.com>
1105 * c-common.c (check_format_info): Initialize type, is_type. New local
1106 integral_format. Don't warn for 'L' when pedantic. Do warn for 'L'
1107 when pedantic if used with integral format specifier.
1109 Wed Mar 25 16:09:01 1998 Michael Meissner <meissner@cygnus.com>
1111 * rs6000.h (FUNCTION_ARG_PADDING): Cast result to be enum
1113 (function_arg_padding): Declare.
1115 * rs6000.c: Include system.h.
1116 (function_arg_padding): Change return type to int, cast enum's to
1119 (From Kaveh R. Ghazi <ghazi@caip.rutgers.edu>)
1120 * collect2.c (scan_prog_file): Add explicit braces to avoid
1123 * dbxout.c (dbxout_type_fields): Add braces around empty body in
1125 (dbxout_type): Likewise.
1127 * rs6000.c (rs6000_override_options): Change type of `i', `j' and
1128 `ptt_size' from int to size_t.
1129 (rs6000_file_start): Likewise for `i'.
1130 (rs6000_replace_regno): Add default case in enumeration switch.
1131 (output_epilog): Remove unused variable `i'.
1132 (rs6000_longcall_ref): Remove unused variables `len', `p', `reg1'
1135 * rs6000.h (ADDITIONAL_REGISTER_NAMES): Add missing braces around
1137 (get_issue_rate, non_logical_cint_operand): Add prototype.
1138 (rs6000_output_load_toc_table): Ditto.
1140 * rs6000.md (udivmodsi4): Add explicit braces to avoid ambiguous
1143 Wed Mar 25 10:05:19 1998 Nick Clifton <nickc@cygnus.com>
1145 * config/arm/thumb.c: New File. Support for ARM's Thumb
1147 * config/arm/thumb.h: New File. Thumb definitions.
1148 * config/arm/thumb.md: New File. Thumb machine description.
1149 * config/arm/tcoff.h: New File. Thumb COFF support.
1150 * config/arm/t-thumb: New File. Thumb makefile fragment.
1151 * config/arm/lib1thumb.asm: New File. Thumb libgcc support functions.
1153 * configure.in: Add Thumb-coff target.
1154 * configure: Add Thumb-coff target.
1155 * config.sub: Add Thumb-coff target.
1157 Wed Mar 25 10:30:32 1998 Jim Wilson <wilson@cygnus.com>
1159 * loop.c (scan_loop): Initialize move_insn_first to zero.
1161 Wed Mar 25 01:06:49 1998 Joel Sherrill (joel@OARcorp.com)
1163 * config/i386/go32-rtems.h: Defined TARGET_MEM_FUNCTIONS.
1164 * config/i386/rtems.h: Likewise.
1165 * config/i960/rtems.h: Likewise.
1166 * config/m68k/rtems.h: Likewise.
1167 * config/mips/rtems64.h: Likewise.
1168 * config/pa/rtems.h: Likewise.
1169 * config/rs6000/rtems.h: Likewise.
1170 * config/sh/rtems.h: Likewise.
1171 * config/sparc/rtems.h: Likewise.
1173 Wed Mar 25 00:57:26 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1175 * pa.c (emit_move_sequence): If in reload, call find_replacement.
1177 Tue Mar 24 10:44:11 1998 Nick Clifton <nickc@cygnus.com>
1179 * Makefile.in (gcov$(exeext)): Support .exe extension to gcov.
1181 * collect2.c (find_a_file): Add debugging.
1182 (find_a_file): Test for win32 style absolute paths if
1183 DIR_SERPARATOR is defined.
1184 (prefix_from_string): Add debugging.
1185 (main): Test for debug command line switch at start of program
1187 (main): Use GET_ENVIRONMENT rather than getenv().
1188 (prefix_from_env): Use GET_ENVIRONMENT.
1190 1998-03-24 Mark Mitchell <mmitchell@usa.net>
1192 * cplus-dem.c (optable): Add sizeof.
1193 (demangle_template_value_parm): New function containing code
1194 previously found in demangle_template.
1195 (demangle_integral_value): New function which handles complicated
1196 integral expressions.
1197 (demangle_template): Use them.
1199 Tue Mar 24 12:13:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1201 * Makefile.in (genconfig.o, genflags.o, gencodes.o, genemit.o,
1202 genopinit.o, genrecog.o, genextract.o, genpeep.o, genattr.o,
1203 genattrtab.o, genoutput.o): Depend on system.h.
1205 * genattr.c: Include system.h. Add arguments to various function
1206 prototypes. Remove redundant prototype of read_rtx().
1207 * genattrtab.c: Likewise.
1208 * gencodes.c: Likewise.
1209 * genconfig.c: Likewise.
1210 * genemit.c: Likewise.
1211 * genextract.c: Likewise.
1212 * genflags.c: Likewise.
1213 * genopinit.c: Likewise.
1214 * genoutput.c: Likewise.
1215 * genpeep.c: Likewise.
1216 * genrecog.c: Likewise.
1218 1998-03-24 Martin von Loewis <loewis@informatik.hu-berlin.de>
1220 * c-lang.c (lang_print_xnode): New function.
1221 * objc/objc-act.c (lang_print_xnode): Likewise.
1222 * print-tree.c (print_node): Call it
1224 Mon Mar 23 23:59:11 1998 H.J. Lu (hjl@gnu.org)
1226 * c-parse.in: Recognize protocol qualifiers in class
1227 definitions for objc.
1229 (yyerror): Remove redundant decl.
1230 (yyprint): Fix prototype.
1232 Mon Mar 23 23:49:47 1998 Jeffrey A Law (law@cygnus.com)
1234 * cse.c (rtx_cost): Only call CONST_COSTS if it is defined.
1236 * stmt.c (unroll_block_trees): Free block_vector if needed.
1238 Mon Mar 23 23:26:42 1998 Philippe De Muyter <phdm@macqel.be>
1240 * m68k/m68k.md (zero_extendqidi2, zero_extendhidi2): New patterns.
1241 (zero_extendsidi2): Avoid useless copy.
1242 (iordi_zext): New pattern.
1243 (iorsi_zexthi_ashl16): Pattern reworked to avoid "0" constraint for
1245 (iorsi_zext): New name for old unnamed pattern; indentation fixes.
1247 * m68k/m68k.md (ashldi_const): Allow shift count in range ]32,63].
1248 (ashldi3): Allow constant shift count in range ]32,63].
1249 (ashrdi_const, ashrid3, lshrdi_const, lshrdi3): Likewise.
1251 1998-03-22 Mark Mitchell <mmitchell@usa.net>
1253 * tree.h (IS_EXPR_CODE_CLASS): New macro.
1255 Mon Mar 23 23:18:48 1998 Jeffrey A Law (law@cygnus.com)
1257 * h8300.h (CONST_COSTS): Remove definition.
1258 (DEFAULT_RTX_COSTS): Define.
1260 Mon Mar 23 22:58:22 1998 Joel Sherrill (joel@OARcorp.com)
1262 * config/sh/rtems.h: Switched from ELF to COFF.
1264 Mon Mar 23 14:14:20 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1266 * freebsd.h (ASM_OUTPUT_ALIGN): Redefine.
1268 Sat Mar 21 23:52:56 PST 1998 Jeff Law (law@cygnus.com)
1270 * version.c: Bump for snapshot.
1272 Sun Mar 22 00:50:42 1998 Nick Clifton <nickc@cygnus.com>
1273 Geoff Noer <noer@cygnus.com>
1275 * Makefile.in: Various fixes for building cygwin32 native toolchains.
1277 * objc/Makefile.in: Various fixes for building cygwin32 native toolchains.
1278 * objc/Make-lang.in: Likewise.
1280 * config/i386/xm-cygwin32.h (PATH_SEPARATOR): Set to a semi-colon.
1282 Sun Mar 22 00:21:46 1998 R. Ganesan <rganesan@novell.com>
1284 * configure.in: Handle with-PACKAGE=no correctly
1286 Fri Mar 20 17:36:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1288 * Makefile.in (alias.o, bitmap.o, c-aux-info.o, c-common.o,
1289 c-decl.o, c-iterate.o, c-lang.o, c-lex.o, c-pragma.o, c-typeck.o,
1290 caller-save.o, calls.o, collect2.o, combine.o, cse.o, dbxout.o,
1291 dwarf2out.o, dwarfout.o, emit-rtl.o, except.o, explow.o, expmed.o,
1292 expr.o, final.o, flow.o, function.o, getpwd.o, global.o,
1293 integrate.o, jump.o, local-alloc.o, loop.o, optabs.o, pexecute.o,
1294 prefix.o, print-rtl.o, print-tree.o, profile.o, real.o, recog.o,
1295 reg-stack.o, regclass.o, regmove.o, reload.o, reload1.o, reorg.o,
1296 rtl.o, rtlanal.o, sdbout.o, stmt.o, stor-layout.o, stupid.o,
1297 tlink.o, toplev.o, tree.o, unroll.o, varasm.o, xcoffout.o): Depend
1300 * alias.c, bitmap.c, c-aux-info.c, c-common.c, c-decl.c,
1301 c-iterate.c, c-lang.c, c-lex.c, c-pragma.c, c-typeck.c,
1302 caller-save.c, calls.c, collect2.c, combine.c, cse.c, dbxout.c,
1303 dwarf2out.c, dwarfout.c, emit-rtl.c, except.c, explow.c, expmed.c,
1304 expr.c, final.c, flow.c, function.c, gcc.c, getpwd.c, global.c,
1305 integrate.c, jump.c, local-alloc.c, loop.c, optabs.c, pexecute.c,
1306 prefix.c, print-rtl.c, print-tree.c, profile.c, real.c, recog.c,
1307 reg-stack.c, regclass.c, regmove.c, reload.c, reload1.c, reorg.c,
1308 rtl.c, rtlanal.c, sched.c, sdbout.c, stmt.c, stor-layout.c,
1309 stupid.c, tlink.c, toplev.c, tree.c, unroll.c, varasm.c,
1310 xcoffout.c: Include system.h. Organize include ordering so
1311 that stdarg/varargs comes before other system headers. Remove
1312 spurious casts of functions assured of a prototype in system.h.
1314 Fri Mar 20 11:19:40 1998 Stan Cox <scox@equinox.cygnus.com>
1316 * reg-stack.c (pop_stack): Define. Pops any register on the
1317 regstack and adjusts regstack.
1318 (compare_for_stack_reg): Use pop_stack.
1320 Thu Mar 19 23:51:01 1998 Jeffrey A Law (law@cygnus.com)
1322 * configure.in (hppa1.0-hp-hpux10): Handle threads for this
1325 Thu Mar 19 20:30:31 1998 Philippe De Muyter <phdm@macqel.be>
1327 * libgcc2.c (exit): Do not call __bb_exit_func if HAVE_ATEXIT.
1329 * fold-const.c (fold): Replace sign-extension of a zero extended
1330 value by a single zero extension.
1332 Thu Mar 19 00:58:07 1998 Jason Merrill <jason@yorick.cygnus.com>
1334 * except.c (init_eh): Do nothing.
1335 (save_eh_status): Call init_eh_for_function, not init_eh.
1336 * function.c (push_function_context_to): Don't call init_emit.
1338 Thu Mar 19 13:39:52 1998 Michael Meissner <meissner@cygnus.com>
1340 * rs6000/sysv4.h (RELATIVE_PREFIX_NOT_LINKDIR): Undef for System V
1343 Thu Mar 19 10:10:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1345 * final.c (shorten_branches): Add parentheses around +/- in
1348 * flow.c (life_analysis): Wrap variable `i' in macro ELIMINABLE_REGS.
1350 Thu Mar 19 09:15:17 1998 Manfred Hollstein <manfred@s-direktnet.de>
1352 * regclass.c (memory_move_secondary_cost): Wrap uses of
1353 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS
1356 Thu Mar 19 09:06:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
1358 * config/m68k/m68k.md (addqi3): Fix typo gen_INT vs. GEN_INT.
1360 * flow.c (life_analysis): #include <sys/types.h> to make sure
1362 * cplus-dem.c (demangle_function_name): Likewise.
1364 Thu Mar 19 09:00:01 1998 Manfred Hollstein <manfred@s-direktnet.de>
1366 * final.c (insn_noperands): Change type to unsigned int.
1367 (final_scan_insn): Likewise for noperands;
1368 properly check operand number boundaries.
1370 Wed Mar 18 16:20:30 1998 Richard Henderson <rth@cygnus.com>
1372 * alpha.md (extzv): Don't reject register operands. Fix
1375 Wed Mar 18 16:14:23 1998 Richard Henderson <rth@cygnus.com>
1377 * dbxout.c (dbxout_function_end): Fix last change. The correct
1378 predicate is ASM_OUTPUT_SECTION_NAME.
1380 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
1382 * sh.md (ashlsi_c-1): Delete 3rd argument to gen_ashlsi_c.
1383 (ashlsi): Use match_dup 1 instead of match_operand 2.
1385 Wed Mar 18 13:46:07 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1387 * fold-const.c (operand_equal_for_comparison_p): See if equal
1388 when nop conversions are removed.
1390 Wed Mar 18 13:42:01 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1392 * expr.c (expand_expr, case COND_EXPR): If have conditional move,
1393 don't use ORIGINAL_TARGET unless REG.
1395 Wed Mar 18 16:53:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1397 * netbsd.h (ASM_OUTPUT_ALIGN): Redefine.
1399 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
1401 * loop.c (struct movable): New field move_insn_first.
1402 (scan_loop): In consec sets code, set it. Clear it otherwise.
1403 (move_movables): In consec sets code, use it. Copy REG_NOTES from
1404 p to i1 only if i1 does not have REG_NOTES. Delete obsolete ifdefed
1407 Wed Mar 18 09:52:56 1998 Richard Henderson <rth@cygnus.com>
1409 * rtl.c (read_rtx): Fall back on homebrew atoll if HOST_WIDE_INT
1410 is large, and the system doesn't provide atoll or atoq.
1413 * alpha/xm-vms.h (HAVE_ATOLL): Define.
1414 Reported by Klaus Kaempf <kkaempf@progis.de>.
1416 Wed Mar 18 09:56:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1418 * c-lang.c (finish_file): Wrap variable `void_list_node' with macro
1419 test !ASM_OUTPUT_CONSTRUCTOR || !ASM_OUTPUT_DESTRUCTOR.
1421 * calls.c (emit_call_1): Wrap variable `already_popped' with macro
1422 test !ACCUMULATE_OUTGOING_ARGS.
1424 * collect2.c (write_c_file_glob): Wrap function definition in
1425 macro test !LD_INIT_SWITCH.
1427 * combine.c (try_combine): Wrap variables `cc_use' and
1428 `compare_mode' in macro test EXTRA_CC_MODES.
1430 * cpplib.c (do_ident): Remove unused variable `len'.
1431 (skip_if_group): Remove unused variables `at_beg_of_line' and
1433 (cpp_get_token): Remove unused variable `dummy'.
1435 * dbxout.c (scope_labelno): Move static variable definition inside
1436 the one function scope where it is used.
1437 (dbxout_function_end): Wrap prototype and definition in
1438 macro test !NO_DBX_FUNCTION_END.
1440 * dwarf2out.c (add_subscript_info): Wrap variable `dimension_number'
1441 in macro test !MIPS_DEBUGGING_INFO.
1443 * expr.c (expand_builtin_setjmp): Move declaration of variable `i'
1444 into the scope where it is used. Wrap empty else-statement body
1447 * fix-header.c: Fix typo in comment.
1448 (inf_skip_spaces): Cast results of INF_UNGET to (void).
1449 (check_protection, main): Likewise.
1451 * flow.c (find_basic_blocks_1): Remove dangling comment text.
1453 * function.c (contains): Wrap prototype and definition in macro
1454 test HAVE_prologue || HAVE_epilogue.
1455 (fixup_var_refs_1): Remove unused variable `width'.
1457 * gen-protos.c (main): Remove unused variable `optr'.
1459 * haifa-sched.c (debug_control_flow): Remove unused variable `j'.
1461 * libgcc2.c (__udiv_w_sdiv): Provide dummy return value of 0.
1462 (__sjpopnthrow): Remove unused variable `jmpbuf'.
1463 (__throw): Remove unused variable `val'.
1465 * protoize.c: Check for a previously existing definition before
1466 defining *_OK macros.
1468 * scan-decls.c (scan_decls): Remove unused variable `old_written'.
1470 Tue Mar 17 00:45:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1472 * vax.h (ADDR_VEC_ALIGN): Define.
1474 Mon Mar 16 15:57:17 1998 Michael Meissner <meissner@cygnus.com>
1476 * gcc.c (default_arg): Don't wander off the end of allocated
1479 (From Geoffrey Keating <geoffk@ozemail.com.au>)
1480 * rs6000.c (small_data_operand): Ensure that any address
1481 referenced relative to the small data area is inside the SDA.
1483 Mon Mar 16 12:55:15 1998 Jim Wilson <wilson@cygnus.com>
1485 * config/m68k/netbsd.h (ASM_SPEC): Add %{m68060}.
1487 Mon Mar 16 15:50:20 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1489 * except.h (in_same_eh_region): New prototype.
1490 (free_insn_eh_region, init_insn_eh_region): New prototypes.
1491 * except.c (insn_eh_region, maximum_uid): New static variables.
1492 (set_insn_eh_region): New static function to set region numbers.
1493 (free_insn_eh_region): New function to free EH region table.
1494 (init_insn_eh_region): New function to initialize EH region table.
1495 (in_same_eh_region): New function used to determine if two rtl
1496 instructions are in the same exception region or not.
1497 * final.c (final): Initialize the table indicating which instructions
1498 belong in which exception region.
1499 * genpeep.c (main): Add "except.h" to include file list in generated
1501 * config/sparc/sparc.md: Add calls to 'in_same_eh_region' in 4
1502 peepholes involving calls and unconditional branches.
1504 Mon Mar 16 11:16:50 1998 Jim Wilson <wilson@cygnus.com>
1506 * README.gnat: New file.
1508 Mon Mar 16 11:14:20 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1510 * config/m68k/m68k.c: Include <stdlib.h> for atoi. Include
1511 "recog.h" for offsettable_memref_p.
1512 (legitimize_pic_address): Remove unused variable `offset'.
1513 (notice_update_cc): Change return type to void. Add default label
1515 (standard_68881_constant_p): Remove unused variable mode.
1516 (print_operand): Define local variable i only if SUPPORT_SUN_FPA.
1517 (const_int_cost): Explicitly declare as returning int.
1518 (output_dbcc_and_branch): Change return type to void.
1520 * config/m68k/linux.h, config/m68k/m68k.md, config/m68k/m68k.c,
1521 config/m68k/m68k.h: Replace gen_rtx (XXX, ...) with gen_rtx_XXX
1522 (...). Use GEN_INT instead of gen_rtx_CONST_INT.
1524 Sun Mar 15 22:30:44 PST 1998 Jeff Law (law@cygnus.com)
1526 * version.c: Bump for snapshot.
1528 Fri Mar 13 11:30:12 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1530 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Fix logic in range
1531 check for 'M' constraint.
1533 Thu Mar 12 14:47:14 1998 Jim Wilson <wilson@cygnus.com>
1535 * cccp.c (create_definition): If pedantic, call pedwarn for macro
1538 Thu Mar 12 13:43:25 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1540 * i386.c (ix86_logical_operator): New function.
1541 (split_di): Ensure that when a MEM is split, the resulting MEMs have
1543 * i386.md (anddi3, xordi3, iordi3): New patterns. Add a define_split
1546 Thu Mar 12 15:13:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1547 Richard Earnshaw <rearnsha@arm.com>
1548 Nick Clifton <nickc@cygnus.com>
1550 * tm.texi (DEFAULT_RTX_COSTS): Document new macro.
1552 * arm.h (DEFAULT_RTX_COSTS): Define instead of RTX_COSTS.
1554 * cse.c (rtx_cost): Provide a default case in an enumeration
1555 switch, and call DEFAULT_RTX_COSTS if it's defined.
1557 Thu Mar 12 10:02:38 1998 Manfred Hollstein <manfred@s-direktnet.de>
1559 * basic-block.h (compute_preds_succs): Change return type in
1561 * flow.c (compute_preds_succs): Likewise in function definition.
1563 * regmove.c (find_matches): Cast char used as array index to unsigned char
1566 Thu Mar 12 09:39:40 1998 Manfred Hollstein <manfred@s-direktnet.de>
1568 * i386.h (RTX_COSTS): Insert braces around nested if.
1569 (ADDITIONAL_REGISTER_NAMES): Insert braces around structured
1572 * gcc.c (default_compilers): Properly put brackets around array elements in
1575 * getopt.c (_getopt_internal): Add explicit braces around nested if;
1578 * reg-stack.c (record_asm_reg_life): Add explicit braces around nested if's.
1579 (record_reg_life_pat): Add explicit parens around && and || in expression.
1580 (stack_reg_life_analysis): Add parens around assignment used as expression.
1581 (convert_regs): Likewise.
1583 Thu Mar 12 09:25:29 1998 Manfred Hollstein <manfred@s-direktnet.de>
1585 * bitmap.c (bitmap_element_allocate): Remove unused parameter;
1586 change callers accordingly.
1588 * cplus-dem.c (arm_special): Remove unused parameter work in prototype
1589 and definition; change all callers accordingly.
1591 * except.c (init_eh): Avoid assignment of unused return value of
1592 build_pointer_type; cast it to void, instead, and remove unused
1595 * gcc.c (lang_specific_driver): Define prototype only #ifdef
1596 LANG_SPECIFIC_DRIVER.
1597 (temp_names): Define only #ifdef MKTEMP_EACH_FILE.
1599 * genoutput.c (output_epilogue): Initialize next_name to 0.
1601 * real.c (efrexp): #if 0 prototype and function definition.
1602 (eremain): Likewise.
1609 * reload.c (push_secondary_reload): Define prototype only
1610 #ifdef HAVE_SECONDARY_RELOADS.
1612 * varasm.c (assemble_static_space): Define rounded only
1613 #ifndef ASM_OUTPUT_ALIGNED_LOCAL.
1615 Thu Mar 12 09:11:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
1617 * i386.md (andsi): Add default case in enumeration switch.
1622 Thu Mar 12 08:37:02 1998 Manfred Hollstein <manfred@s-direktnet.de>
1624 * c-decl (finish_struct): Change type of min_align to unsigned.
1626 * cplus-dem.c (demangle_function_name): Change type of variable i to size_t;
1627 remove unused variable len.
1629 * dwarf2out.c (reg_save): Add explicit cast of -1 to unsigned and a
1630 comment indicating this is proper behaviour.
1631 (reg_loc_descriptor): Remove redundant comparison of unsigned variable
1633 (based_loc_descr): Likewise.
1635 * enquire.c (bitpattern): Change type of variable i to unsigned.
1637 * final.c (output_asm_insn): Don't cast insn_noperands to unsigned.
1639 * flow.c (life_analysis): Change type of variable i to size_t;
1640 remove unused variable insn.
1642 * gcc.c (translate_options): Change type of variables optlen, arglen and
1644 (input_filename_length): Change type to size_t.
1645 (do_spec_1): Change type of variable bufsize to size_t.
1646 (main): Change type of variables i and j to size_t;
1647 remove subblock local definition of variable i.
1648 (lookup_compiler): Change type of second argument to size_t;
1649 change type of variable i to size_t.
1651 * genemit.c (output_init_mov_optab): Change type of variable i to size_t.
1653 * genopinit.c (get_insn): Change type of variable pindex to size_t.
1655 * genrecog.c (add_to_sequence): Change type of variable i to size_t.
1657 * global.c (global_alloc): Change type of variable i to size_t.
1659 * regclass.c (init_reg_sets): Change type of variables i and j to unsigned.
1661 * stmt.c (expand_end_bindings): Change type of variable i to size_t.
1662 (expand_end_case): Change type of variable count to size_t.
1664 * toplev.c (main): Change type of variable j to size_t.
1665 (set_target_switch): Change type of variable j to size_t.
1666 (print_switch_values): Change type of variable j to size_t;
1667 remove unused variable flags.
1669 * varasm.c (assemble_variable): Change type of variable align to size_t.
1670 (const_hash_rtx): Change type of variable i to size_t.
1672 1998-03-11 Mark Mitchell <mmitchell@usa.net>
1674 * dbxout.c (dbxout_type_methods): Only treat TYPE_METHODS as a
1675 TREE_VEC if that's what it really is.
1677 Wed Mar 11 15:16:01 1998 Michael Meissner <meissner@cygnus.com>
1679 * {haifa-,}sched.c (rank_for_schedule): Only take void * arguments
1682 Wed Mar 11 12:05:20 1998 Teemu Torma <tot@trema.com>
1684 * gthr.h: Changed the comment about return values.
1685 * gthr-solaris.h (__gthread_once): Do not use errno; return the
1686 error number instead of -1.
1687 (__gthread_key_create): Any non-zero return value is an error.
1688 * libgcc2.c (eh_context_initialize): Check for non-zero return
1689 value from __gthread_once.
1690 Check that the value of get_eh_context was really changed.
1692 Wed Mar 11 18:26:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1694 * sh.h (LOOP_ALIGN): Only align when optimizing.
1695 * sh.c (find_barrier): Clear inc for CODE_LABELs.
1696 When not optimizing, calculate alignment for BARRIERs directly.
1698 Wed Mar 11 15:07:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1700 * final.c (shorten_branches): Remove conditionalizing on
1701 SHORTEN_WITH_ADJUST_INSN_LENGTH
1702 * sh.h, pa.h (SHORTEN_WITH_ADJUST_INSN_LENGTH): Remove.
1704 Wed Mar 11 02:37:41 1998 Jeffrey A Law (law@cygnus.com)
1706 * flow.c (find_basic_blocks_1): Keep the cfg accurate when removing
1707 an unconditional jump around deleted blocks.
1709 Mon Mar 9 12:02:23 1998 Jim Wilson <wilson@cygnus.com>
1711 * profile.c (branch_prob): If see computed goto, call fatal instead of
1714 * config/mips/sni-svr4.h (CPP_PREDEFINE): Add -DSNI and -Dsinix.
1716 * configure.in (alpha-dec-osf): Add default case for osf* to switch.
1717 Patch from Bruno Haible.
1719 * function.c (put_reg_into_stack): Copy MEM_IN_STRUCT_P from new.
1720 (assign_parms): Set aggregate if hide_last_arg and last_named.
1722 Mon Mar 9 19:57:56 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1724 * final.c (shorten_branches): Initialize insn_addresses.
1726 Mon Mar 9 14:10:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1728 * sh.h (MUST_PASS_IN_STACK): Define.
1730 Sun Mar 8 13:01:56 1998 Jeffrey A Law (law@cygnus.com)
1732 * final.c (shorten_branches): Fix minor logic error in
1733 ADDR_DIFF_VEC shortening support.
1735 Sun Mar 8 02:17:42 PST 1998 Jeff Law (law@cygnus.com)
1737 * version.c: Bump for snapshot.
1739 Sat Mar 7 00:54:15 1998 Jeffrey A Law (law@cygnus.com)
1741 * haifa-sched.c (is_cfg_nonregular): Change return type to
1742 an int. No longer compute "estimated" number of edges. Use
1743 computed_jump_p instead of duplicating the code. Fixup/add
1745 (build_control_flow): Returns a value indicating an irregularity
1746 in the cfg was detected. Count the number of edges in the cfg.
1747 allocate various edge tables.
1748 (find_rgns): No longer look for unreachable blocks.
1749 (schedule_insns): Do not allocate memory for edge tables here.
1750 Free memory for edge tables before returning. Do not perform
1751 cross block scheduling if build_control_flow returns nonzero.
1752 * flow.c (compute_preds_succs): More accurately determine when
1755 * basic-block.h (free_basic_block_vargs): Provide prototype.
1757 * cccp.c (main): Fix dumb mistakes in last change.
1759 Fri Mar 6 21:28:45 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1761 * rtl.h (addr_diff_vec_flags): New typedef.
1762 (union rtunion_def): New member rt_addr_diff_vec_flags.
1763 (ADDR_DIFF_VEC_FLAGS): New macro.
1765 * sh.c (output_branch): Fix offset overflow problems.
1767 * final.c (shorten_branches): Implement CASE_VECTOR_SHORTEN_MODE.
1768 (final_scan_insn): New argument BODY for ASM_OUTPUT_ADDR_DIFF_ELT.
1769 * rtl.def (ADDR_DIFF_VEC): Three new fields (min, max and flags).
1770 * stmt.c (expand_end_case): Supply new arguments to
1771 gen_rtx_ADDR_DIFF_VEC.
1772 * 1750a.h (ASM_OUTPUT_ADDR_DIFF_ELT): New argument BODY.
1773 * alpha.h, arc.h, clipper.h, convex.h : Likewise.
1774 * dsp16xx.h, elxsi.h, fx80.h, gmicro.h, h8300.h : Likewise.
1775 * i370.h, i386.h, i860.h, i960.h, m32r.h, m68k.h, m88k.h : Likewise.
1776 * mips.h, mn10200.h, mn10300.h, ns32k.h, pa.h, pyr.h : Likewise.
1777 * rs6000.h, sh.h, sparc.h, spur.h, tahoe.h, v850.h : Likewise.
1778 * vax.h, we32k.h, alpha/vms.h, arm/aof.h, arm/aout.h : Likewise.
1779 * i386/386bsd.h, i386/freebsd-elf.h : Likewise.
1780 * i386/freebsd.h, i386/linux.h : Likewise.
1781 * i386/netbsd.h, i386/osfrose.h, i386/ptx4-i.h, i386/sco5.h : Likewise.
1782 * i386/sysv4.h, m68k/3b1.h, m68k/dpx2.h, m68k/hp320.h : Likewise.
1783 * m68k/mot3300.h, m68k/sgs.h : Likewise.
1784 * m68k/tower-as.h, ns32k/encore.h, sparc/pbd.h : Likewise.
1785 * sh.h (INSN_ALIGN, INSN_LENGTH_ALIGNMENT): Define.
1786 (CASE_VECTOR_SHORTEN_MODE): Define.
1787 (short_cbranch_p, align_length, addr_diff_vec_adjust): Don't declare.
1788 (med_branch_p, braf_branch_p): Don't declare.
1789 (mdep_reorg_phase, barrier_align): Declare.
1790 (ADJUST_INSN_LENGTH): Remove alignment handling.
1791 * sh.c (uid_align, uid_align_max): Deleted.
1792 (max_uid_before_fixup_addr_diff_vecs, branch_offset): Deleted.
1793 (short_cbranch_p, med_branch_p, braf_branch_p, align_length): Deleted.
1794 (cache_align_p, fixup_aligns, addr_diff_vec_adjust): Deleted.
1795 (output_far_jump): Don't use braf_branch_p.
1796 (output_branchy_insn): Don't use branch_offset.
1797 (find_barrier): Remove checks for max_uid_before_fixup_addr_diff_vecs.
1798 Remove paired barrier stuff.
1799 Don't use cache_align_p.
1800 Take alignment insns into account.
1801 (fixup_addr_diff_vecs): Reduce to only fixing up the base label of
1803 (barrier_align, branch_dest): New function.
1804 (machine_dependent_reorg, split_branches): Remove infrastructure
1805 for branch shortening that is now provided in the backend.
1806 * sh.md (short_cbranch_p, med_branch_p, med_cbranch_p): New attributes.
1807 (braf_branch_p, braf_cbranch_p): Likewise.
1808 (attribute length): Use new attributes.
1809 (casesi_worker): Get mode and unsignednedd from ADDR_DIFF_VEC.
1810 (addr_diff_vec_adjust): Delete.
1811 (align_2): Now a define_expand.
1812 (align_log): Now length 0.
1814 Fri Mar 6 14:41:33 1998 Michael Meissner <meissner@cygnus.com>
1816 * m32r.md (right): Correctly check for length == 2, not 1.
1818 Fri Mar 6 14:00:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1820 * mips/mips.h: Prototype `machine_dependent_reorg'.
1821 (ASM_OUTPUT_ALIGN): Remove unused variable `mask'.
1823 Fri Mar 6 11:43:35 1998 Joern Rennecke (amylaar@cygnus.co.uk)
1825 * final.c (shorten_branches): Restore accidentally removed code.
1827 Fri Mar 6 11:00:49 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1829 * configure.in: Remove duplicate uses of AC_PROG_CC and
1832 Fri Mar 6 00:59:30 1998 Richard Henderson <rth@cygnus.com>
1834 * configure.in (target_cpu_default2): Correct typo for alphapca56.
1836 Thu Mar 5 23:24:50 1998 Jeffrey A Law (law@cygnus.com)
1837 Doug Evans (devans@cygnus.com)
1839 * haifa-sched.c (build_jmp_edges): Delete dead function.
1840 (build_control_flow): Use cfg routines from flow.c
1841 (schedule_insns): Remove debugging code accidentally checked
1844 * basic-block.h: Add external integer list structures, typdefs,
1845 accessor macros and function declarations. Simlarly for
1846 basic block pred/succ support and simple bitmap stuff.
1847 * flow.c: Add functions for integer list, basic block pred/succ
1848 support and simple bitmap support.
1849 (compute_dominators): New function to compute dominators and
1851 (find_basic_blocks): Split into two functions.
1852 (life_analysis): Likewise.
1853 (flow_analysis): Removed. Now handled by calling find_basic_blocks,
1854 the life_analysis from toplev.c
1855 * toplev.c (rest_of_compilation): Call find_basic_blocks, then
1856 life_analysis instead of flow_analysis.
1858 Thu Mar 5 23:06:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1860 * jump.c (jump_optimize): Call mark_jump_label also for deleted
1862 (mark_jump_label): Don't increment ref counts for deleted insns.
1864 Thu Mar 5 09:55:15 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1866 * mips/iris6.h (TARGET_DEFAULT): Parenthesize macro definition.
1868 * mips/mips.c: Include stdlib.h and unistd.h.
1869 (mips_asm_file_end): Add braces around empty body in an if-statement.
1870 (function_prologue): Wrap variable `fnname' in
1871 !FUNCTION_NAME_ALREADY_DECLARED. Correct format specifier in fprintf.
1872 (mips_select_rtx_section, mips_select_section): Declare as void.
1874 * mips/mips.h: Add prototypes for extern functions in mips.c.
1875 (FUNCTION_ARG_REGNO_P): Add parentheses around && within ||.
1876 (ENCODE_SECTION_INFO): Add braces around empty body in an
1879 * mips/mips.md (movdi): Add parentheses around && within ||.
1880 (movsf, movdf): Likewise.
1881 (branch_zero, branch_zero_di): Add default case in
1885 Thu Mar 5 02:45:48 1998 Richard Henderson <rth@cygnus.com>
1887 * alpha/alpha.h (TARGET_WINDOWS_NT, TARGET_OPEN_VMS): Just make them
1888 real constants, since they can't be changed.
1889 (TARGET_AS_CAN_SUBTRACT_LABELS): New.
1890 * alpha/alpha.md (builtin_setjmp_receiver): Use it.
1891 * alpha/osf.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
1892 * alpha/osf2or3.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
1893 * alpha/vms.h (TARGET_OPEN_VMS): New.
1894 * alpha/win-nt.h (TARGET_WINDOWS_NT): New.
1896 Thu Mar 5 02:41:27 1998 Richard Henderson <rth@cygnus.com>
1898 * reload.c (find_reloads): Always force (subreg (mem)) to be
1899 reloaded if WORD_REGISTER_OPERATIONS.
1901 Thu Mar 5 02:14:44 1998 Richard Henderson <rth@cygnus.com>
1903 * haifa-sched.c (free_list): Rename from free_pnd_lst.
1904 (free_pending_lists): Rename free_pnd_lst uses.
1905 (remove_dependence): Place expunged element on unused_insn_list.
1906 (alloc_INSN_LIST, alloc_EXPR_LIST): New. Change all callers of
1907 gen_rtx_*_LIST and alloc_rtx to use them.
1908 (compute_block_backward_dependences): Free the reg_last_* lists.
1910 Thu Mar 5 00:05:40 1998 Jeffrey A Law (law@cygnus.com)
1912 * cccp.c (main): Avoid undefined behavior when setting pend_includes
1915 Wed Mar 4 21:58:25 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
1917 * rs6000/linux.h: don't define DEFAULT_VTABLE_THUNKS to 1 if
1918 USE_GNULIBC_1 is defined
1919 * configure.in: add a new case powerpc-*-linux-gnulibc1 which
1920 includes the t-linux-gnulibc1 fragment
1922 Wed Mar 4 12:11:36 1998 Jim Wilson <wilson@cygnus.com>
1924 * mips.md (movdf_internal1a): Fix misplaced parenthesis in condition.
1926 Wed Mar 4 18:47:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1928 * final.c (final_scan_insn, case CODE_LABEL: Cleanup.
1930 Wed Mar 4 15:51:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1932 * final.c (shorten_branches): Tag the loop alignment onto the
1933 first label after NOTE_INSN_LOOP_BEG even if there is an
1936 Tue Mar 3 21:48:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1938 * final.c (insn_current_reference_address):
1939 Use SEQ instead of BRANCH as argument to align_fuzz, to get a
1940 proper alignment chain.
1942 * final.c (max_labelno): New static variable.
1943 (final_scan_insn): Check max_labelno before outputting an
1944 alignment for a label.
1945 (shorten_branches): Remove unused variable length_align.
1947 Tue Mar 3 14:27:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1949 * sparc.c (ultrasparc_adjust_cost): Add default case in
1952 * sparc.h: Add prototypes for extern functions defined in
1955 Tue Mar 3 10:00:11 1998 Nick Clifton <nickc@cygnus.com>
1957 * toplev.c: Only generate <name>.dbr file when dumping RTL if
1958 DEALY_SLOTS is defined.
1960 Tue Mar 3 07:36:37 1998 Manfred Hollstein <manfred@s-direktnet.de>
1962 * reorg.c (fill_eager_delay_slots): Add new argument delay_list
1963 in call to fill_slots_from_thread.
1965 Mon Mar 2 13:45:03 1998 Richard Henderson <rth@cygnus.com>
1967 * alpha/linux.h (CPP_PREDEFINES): Correct connecting whitespace
1968 to SUB_CPP_PREDEFINES. Reported by asun@saul4.u.washington.edu.
1970 Mon Mar 2 22:59:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1972 * final.c (insn_last_address, insn_current_align, uid_align):
1974 (in_align_chain, align_fuzz, align_shrink_fuzz): New functions.
1975 (insn_current_reference_address): Likewise.
1976 (shorten_branches, final_scan_insn): Implement LABEL_ALIGN,
1977 LABEL_ALIGN_AFTER_BARRIER and LOOP_ALIGN target macros.
1978 (label_to_alignment): New function.
1979 * genattrtab.c (write_test_expr): If one of LABEL_ALIGN,
1980 LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN is defined, call
1981 insn_current_reference_address instead of insn_current_address.
1982 (or_attr_value, write_length_unit_log): New functions.
1983 (main): Call write_length_unit_log.
1984 (write_const_num_delay_slots): Output extra '\n'.
1985 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE):
1987 (LOOP_ALIGN, ALIGN_LABEL_AFTER_BARRIER).
1988 * i386.h, i386/osfrose.h, i386/svr3dbx.h, m68k.h, sparc.h: Likewise.
1989 * arc.h, m32r.h (ASM_OUTPUT_LOOP_ALIGN): replace with:
1991 * i960.h, m88k.h: (ASM_OUTPUT_ALIGN_CODE): Replace with:
1992 (LABEL_ALIGN_AFTER_BARRIER).
1993 * ns32k/encore.h, ns32k/merlin.h, ns32k.h, ns32k/sequent.h: Likewise.
1994 * ns32k/tek6000.h: Likewise.
1995 * i386/gas.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Delete.
1996 * i386.md (casesi+1): Use ASM_OUTPUT_ALIGN instead of
1997 ASM_OUTPUT_ALIGN_CODE.
1999 Mon Mar 2 01:05:50 PST 1998 Jeff Law (law@cygnus.com)
2001 * version.c: Bump for snapshot.
2003 Mon Mar 2 00:52:18 PST 1998 Jeff Law (law@cygnus.com)
2005 * version.c: Bump for snapshot.
2007 Sun Mar 1 18:25:49 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
2009 * reorg.c (fill_slots_from_thread): Don't steal delay list from target
2010 if condition code of jump conflicts with opposite_needed.
2012 * reorg.c (fill_slots_from_thread): Mark resources referenced in
2013 opposite_needed thread. Return delay_list even when cannot get
2014 any more delay insns from end of subroutine.
2016 Sun Mar 1 18:26:21 1998 Ken Rose (rose@acm.org)
2018 * reorg.c (fill_slots_from_thread): New parameter, delay_list.
2019 All callers changed.
2021 Sun Mar 1 18:25:37 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2023 * frame.c (start_fde_sort, fde_split, heapsort, fde_merge,
2024 end_fde_sort): New functions for fast sorting of an FDE array.
2025 (fde_insert): Simplified.
2026 (add_fdes): Change argument list.
2027 (frame_init): Use the new functions.
2029 Sun Mar 1 18:06:21 1998 Jeffrey A Law (law@cygnus.com)
2031 * ginclude/va-ppc.h (va_arg): Fix typo in long long support.
2033 * i386.c (reg_mentioned_in_mem): Fix dangling else statement.
2035 * fold-const.c (fold_range_test): Always return a value.
2037 Sun Mar 1 17:57:34 1998 Mumit Khan <khan@xraylith.wisc.edu>
2039 * config/i386/winnt.c (i386_pe_unique_section): Put read-only
2040 data in the text section unless READONLY_DATA_SECTION is defined.
2042 Sun Mar 1 17:48:46 1998 Jeffrey A Law (law@cygnus.com)
2044 * c-parse.in (undeclared variable error): Tweak error message to
2047 Sun Mar 1 10:22:36 PST 1998 Jeff Law (law@cygnus.com)
2049 * version.c: Bump for snapshot.
2051 1998-02-28 Mark Mitchell <mmitchell@usa.net>
2053 * final.c (final_scan_insn): Undo overzealous removal of `set'.
2055 Sat Feb 28 07:54:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2057 * pa.h (CONST_COSTS): When checking the CONST_DOUBLE enumerated
2058 case, add parentheses to specify the proper order of precedence in
2062 * c-aux-info.c: Include string.h/strings.h.
2064 * pa.c: Include stdlib.h.
2065 (pa_combine_instructions): Prototype the function.
2066 (pa_can_combine_p, forward_branch_p, shadd_constant_p): Likewise.
2067 (reloc_needed): Add default case for enumeration switch.
2068 (remove_useless_addtr_insns): Remove unused variable `all'.
2069 (hppa_expand_prologue): Add explicit braces to avoid
2071 (output_function_epilogue): Remove unused variable `i'.
2072 (output_millicode_call): Remove unused variable `link'.
2073 (shadd_constant_p, forward_branch_p): Make the function static.
2074 (following_call): Explicitly declare to return int.
2075 (pa_reorg): Declare as void.
2076 (pa_combine_instructions): Declare as static void. Add
2077 parentheses around && within ||.
2079 * pa.h: Add prototypes for pa_reorg, symbolic_operand,
2080 following_call, function_label_operand, lhs_lshift_cint_operand
2083 * pa.md: Add parentheses around && within ||.
2085 * cppalloc.c: Include stdlib.h.
2087 * cpperror.c (cpp_print_containing_files): Remove unused variable
2088 `i'. Fix format specifier in fprintf.
2090 * cse.c (cse_around_loop): Add explicit braces to avoid
2092 (delete_dead_from_cse): Wrap variable `tem' in macro HAVE_cc0.
2094 * expr.c (expand_expr): Add parentheses around && within ||.
2096 * final.c (app_enable): Replace fprintf with fputs where there are
2097 no format specifiers and no trailing argument after the string.
2098 Eg, when printing ASM_APP_ON/ASM_APP_OFF.
2099 (app_disable): Likewise.
2100 (final_end_function): Likewise.
2101 (final_scan_insn): Likewise. Remove unused variable `set'.
2102 (profile_function): Wrap empty if-statement body in {} brackets.
2104 * function.c: Include stdlib.h.
2105 (pad_below): Wrap prototype and definition in ARGS_GROW_DOWNWARD.
2106 (reposition_prologue_and_epilogue_notes): Add parentheses
2107 around assignment used as truth value.
2109 * integrate.c (expand_inline_function): Wrap variable
2110 `cc0_insn' in macro HAVE_cc0.
2112 * jump.c (jump_optimize): Wrap variable `q' in macro
2113 HAVE_cc0. Remove unused variable `prev1'.
2115 * libgcc2.c (__bb_exit_trace_func): Add parentheses around &&
2116 within ||. Fix format specifier in fprintf.
2117 (__bb_init_prg): Add parentheses around assignment used as
2120 * local-alloc.c: Include stdlib.h.
2121 (requires_inout): Add parentheses around assignment used
2124 * loop.c (analyze_loop_iterations): Wrap prototype and definition
2125 in macro HAVE_decrement_and_branch_on_count.
2126 (insert_bct, instrument_loop_bct): Likewise.
2127 (move_movables): Add parentheses around assignment used as
2129 (consec_sets_invariant_p): Likewise.
2130 (maybe_eliminate_biv_1): Wrap variable `new' in macro HAVE_cc0.
2132 * objc/objc-act.c: Include stdlib.h.
2133 (lookup_method_in_protocol_list): Wrap empty else-statement body
2135 (lookup_protocol_in_reflist): Likewise.
2136 (objc_add_static_instance): Remove unused variables `decl_expr'
2138 (get_objc_string_decl): Remove unused variable `decl'.
2139 (generate_static_references): Remove unused variables `idecl' and
2141 (check_protocols): Wrap empty else-statement body in braces.
2143 * protoize.c: Include stdlib.h.
2144 (substr): Add parentheses around assignment used as truth value.
2145 (abspath): Likewise.
2146 (shortpath): Likewise.
2148 * regmove.c (fixup_match_1): Add parentheses around assignment
2149 used as truth value.
2151 * reload.c (push_secondary_reload): Remove unused variable `i'.
2152 (find_reloads): Add parentheses around assignment used as truth
2155 * reload1.c: Include stdlib.h.
2157 * rtl.h: Correct typo in prototype of offsettable_memref_p.
2159 * stmt.c (add_case_node): Add parentheses around assignment used
2161 (case_tree2list): Likewise.
2163 * tree.c (valid_machine_attribute): Wrap variable `decl_attr_list'
2164 in macro VALID_MACHINE_DECL_ATTRIBUTE. Wrap variable
2165 `type_attr_list' in macro VALID_MACHINE_TYPE_ATTRIBUTE.
2166 (merge_attributes): Add explicit braces to avoid ambiguous
2169 * unroll.c (copy_loop_body): Wrap variable `cc0_insn' in
2172 * varasm.c: Include stdlib.h.
2175 * system.h: Remove sys/stat.h.
2176 * gcc.c: Add sys/stat.h.
2178 * genattr.c: Wrap prototype of `free' in NEED_DECLARATION_FREE.
2179 * genattrtab.c: Likewise.
2180 * genconfig.c: Likewise.
2181 * genemit.c: Likewise.
2182 * genextract.c: Likewise.
2183 * genflags.c: Likewise.
2184 * genopinit.c: Likewise.
2185 * genoutput.c: Likewise.
2186 * genpeep.c: Likewise.
2187 * genrecog.c: Likewise.
2188 * tlink.c: Likewise. Also wrap `getenv' in NEED_DECLARATION_GETENV.
2190 Fri Feb 27 11:02:47 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2192 * invoke.texi: Use @itemx for a secondary item in a @table.
2194 * config/m68k/m68k.md (movsf+1): Optimize moving a CONST_DOUBLE
2197 Thu Feb 26 00:13:21 1998 Ian Lance Taylor <ian@cygnus.com>
2199 * choose-temp.c: Fix handling of sys/file.h to work in libiberty.
2201 Wed Feb 25 23:40:54 1998 Jeffrey A Law (law@cygnus.com)
2203 * i386.c (struct machine_function): Add new fields for PIC stuff.
2204 (save_386_machine_status): Fix argument to xmalloc. Save pic_label_rtx
2206 (restore_386_machine_status): Corresponding changes.
2207 (clear_386_stack_locals): Also clear pic_label_rtx and pic_label_name.
2209 Wed Feb 25 01:31:40 1998 Jeffrey A Law (law@cygnus.com)
2211 * c-parse.y (undeclared variable error): Tweak error message
2214 Tue Feb 24 23:54:07 1998 Richard Henderson <rth@cygnus.com>
2216 * flags.h (g_switch_value, g_switch_set): Declare.
2217 * alpha.c (override_options): Set g_switch_value=8 if not set.
2218 * alpha/elf.h (CC1_SPEC): New.
2220 (LINK_SPEC): Pass along the -G value we were given.
2221 (LOCAL_ASM_OP): Remove.
2222 (ASM_OUTPUT_ALIGNED_LOCAL): Output to .bss or .sbss by size.
2223 (MAX_OFILE_ALIGNMENT): New.
2224 (BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP): New.
2225 (EXTRA_SECTIONS): Add sbss and sdata.
2226 (SECTION_FUNCTION_TEMPLATE): New.
2227 (EXTRA_SECTION_FUNCTIONS): Use it.
2228 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
2229 (SELECT_SECTION): Use sdata when small enough.
2230 * alpha/linux.h (ASM_SPEC): Remove.
2233 Mon Feb 23 15:09:18 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2234 * config.sub (sco5): Fix typo.
2236 Mon Feb 23 18:19:31 1998 Manfred Hollstein <manfred@s-direktnet.de>
2238 * config/t-linux (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Add macros and
2240 * config/t-linux-aout (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Likewise.
2241 * config/alpha/t-linux: Remove file.
2242 * config/sparc/t-linux: Remove file.
2243 * config/m68k/t-linux (LIBGCC1, CROSS_LIBGCC1): Remove.
2244 * config/m68k/t-linux-aout (LIBGCC1, CROSS_LIBGCC1): Likewise.
2245 * configure.in (alpha*-*-linux-gnulibc1*): Use t-linux instead of alpha/t-linux
2247 (alpha*-*-linux-gnu*): Likewise.
2248 (sparc-*-linux-gnulibc1*): Use t-linux instead of sparc/t-linux for tmake_file.
2249 (sparc-*-linux-gnu*): Likewise.
2251 Mon Feb 23 10:47:39 1998 Robert Lipe <robertl@dgii.com>
2252 * collect2.c (ldd_file_name): Bracket declaration with same
2254 (full_real_ld_suffix): Deleted. Variable was calloced and
2255 written into, but never read.
2257 1998-02-23 Mike Stump <mrs@wrs.com>
2259 * configure.in: Add support for i386-wrs-vxworks configuration.
2260 * i386/vxi386.h: New file.
2262 Sun Feb 22 21:16:51 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2264 * tree.c (contains_placeholder_p): Ensure function always returns
2266 * sparc.md (movdi_sp64_insn): Add default case in enumeration switch.
2267 (movsf_const_insn, movdf_const_insn, movtf_const_insn): Likewise.
2269 Sun Feb 22 20:58:19 1998 Jeffrey A Law (law@cygnus.com)
2271 * vms.h (SELECT_SECTION): Use TREE_CODE_CLASS correctly.
2273 1998-02-22 Paul Eggert <eggert@twinsun.com>
2275 * config/sparc/sol2-sld.h (LINKER_DOES_NOT_WORK_WITH_DWARF2):
2276 Define this new symbol.
2277 (DWARF2_DEBUGGING_INFO, DWARF_DEBUGGING_INFO): Do not #undef.
2278 * toplev.c (main): Do not default to DWARF2_DEBUG with -ggdb if
2279 LINKER_DOES_NOT_WORK_WITH_DWARF2 is defined.
2281 Sun Feb 22 20:07:32 1998 Jim Wilson <wilson@cygnus.com>
2283 * iris5.h (DWARF2_UNWIND_INFO): Define to 0.
2284 * iris5gas.h (DWARF2_UNWIND_INFO): Define to 1.
2286 Sun Feb 22 15:29:48 1998 Richard Henderson <rth@cygnus.com>
2288 * objc/Object.m (-error): Call objc_verror with our va_list.
2290 Sun Feb 22 09:45:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2292 * collect2.c (scan_prog_file): Completely cover uses of variable
2293 `exports' with macro COLLECT_EXPORT_LIST.
2295 Sat Feb 21 20:36:23 1998 Jeff Law (law@cygnus.com)
2297 * version.c: Bump for snapshot.
2299 Fri Feb 20 16:22:13 1998 Michael Meissner <meissner@cygnus.com>
2301 * sched.c (schedule_block): Remove code to get arguments from hard
2302 regs into pseudos early. Same as Aug 25, 1997 change to
2305 1998-02-20 Jason Merrill <jason@yorick.cygnus.com>
2307 * collect2.c (main): Still handle !do_collecting for non-AIX targets.
2309 1998-02-16 Mark Mitchell <mmitchell@usa.net>
2311 * toplev.c (rest_of_compilation): Do not defer the output of a
2314 Fri Feb 20 10:39:47 1998 Michael Tiemann <michael@impact.tiemann.org>
2316 * ginclude/va-mips.h (va_arg): Remove trailing space after '\'
2317 continuation character (line 243).
2319 Fri Feb 20 12:10:26 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2321 * genrecog.c (main): Remove duplicated sentence in emitted comment.
2323 Thu Feb 19 22:36:53 1998 Andrey Slepuhin <pooh@msu.net>
2324 David Edelsohn <edelsohn@mhpcc.edu>
2326 * collect2.c (XCOFF_SCAN_LIBS): Remove.
2327 (export_flag): New variable.
2328 (export_file): #ifdef COLLECT_EXPORT_LIST.
2329 (import_file, exports, imports, undefined): New variables.
2330 (libs, cmdline_lib_dirs, libpath_lib_dirs, libpath, libexts): Same.
2331 (dump_list, dump_prefix_list, is_in_list): New functions.
2332 (write_export_file): $ifdef COLLECT_EXPORT_LIST.
2333 (write_import_file, resolve_lib_name): New functions.
2334 (use_import_list, ignore_library): Same.
2335 (collect_exit): maybe_unlink import_file and #ifdef.
2337 (main): New variable importf, #ifdef exportf. Move parsing of
2338 -shared before general argument parsing. Resolve AIX library
2339 paths and import libgcc.a symbols. Treat .so shared libraries the
2340 same as objects and .a libraries. Create alias for object_lst and
2341 increment it instead of original pointer. Scan AIX libraries as
2342 objects earlier instead of using scan_libraries. Perform AIX
2343 tlink later to resolve templates instead of forking ld.
2344 (GCC_OK_SYMBOL): Ensure symbol not in undef section.
2345 (GCC_UNDEF_SYMBOL): New macro.
2346 (scan_prog_file): Loop for members of AIX libraries. Handle
2347 export/import of ctors/dtors.
2348 (aix_std_libs): New variable.
2349 (scan_libraries, XCOFF): Delete.
2351 Thu Feb 19 22:36:52 1998 Robert Lipe <robertl@dgii.com>
2353 * collect2.c (full_real_ld_suffix): #ifdef CROSS_COMPILE.
2355 1998-02-19 Mike Stump <mrs@wrs.com>
2357 * Makefile.in: Use $tooldir for sys-include to match toplevel
2360 Thu Feb 19 01:32:37 1998 Jeffrey A Law (law@cygnus.com)
2361 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2363 * emit-rtl.c (gen_lowpart_common): Suppress last change if __complex__.
2365 * emit-rtl.c (hard-reg-set.h): Include.
2366 (get_lowpart_common): Don't make new REG for hard reg in a
2367 class that cannot change size.
2368 * Makefile.in (emit-rtl.o): Depend on hard-reg-set.h.
2370 * combine.c: Revert previous patch.
2372 1998-02-19 Paul Eggert <eggert@twinsun.com>
2374 * config/sparc/sol2-sld.h: New file.
2375 * configure.in (sparc-*-solaris2*): Use it when using the
2378 Thu Feb 19 00:46:59 1998 Jeffrey A Law (law@cygnus.com)
2380 * loop.c (force_movables): Fix typo.
2382 Thu Feb 19 08:26:30 1998 Manfred Hollstein <manfred@s-direktnet.de>
2384 * m88k.h: Change file pattern to match reality.
2386 Wed Feb 18 23:19:52 1998 Jeffrey A Law (law@cygnus.com)
2388 * varasm.c (output_constant_pool): Fix dumb thinko in last
2391 * pa.h (ASM_OUTPUT_FUNCTION_PREFIX): Correctly translate from
2392 a function name to a section name.
2394 1998-02-18 Doug Evans <devans@cygnus.com>
2396 * tree.h (merge_machine_{type,decl}_attributes): Declare.
2397 (split_specs_attrs, strip_attrs): Add prototypes.
2398 * tree.c (merge_machine_{type,decl}_attributes): New functions.
2399 * c-decl.c (duplicate_decls): Call merge_machine_decl_attributes.
2400 Update olddecl's attributes too.
2401 * c-common.c (strip_attrs): New function.
2402 * c-typeck.c (common_type): Call merge_machine_type_attributes.
2403 * varasm.c (make_function_rtl): New target macro REDO_SECTION_INFO_P.
2404 (make_decl_rtl): Likewise.
2406 1998-02-18 Jim Wilson <wilson@cygnus.com>
2408 * c-decl.c (shadow_tag_warned): Call split_specs_attrs.
2410 Wed Feb 18 09:09:50 1998 Jeffrey A Law (law@cygnus.com)
2412 Remove this change until we can fix it correctly.
2413 * collect2.c: Bracket declaration of 'exportf' and
2414 'full_real_ld_suffix'.
2416 Wed Feb 18 08:44:25 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
2418 * Makefile.in (STAGESTUFF): Add genrtl.c, genrtl.h and gengenrtl.
2420 Tue Feb 17 23:30:20 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
2422 * c-common.c (c_expand_start_cond, c_expand_end_cond,
2423 c_expand_start_else): Don't warn about non-ambiguous else even if
2426 Tue Feb 17 23:56:50 1998 Robert Lipe <robertl@dgii.com>
2428 * sco5.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT,
2429 ASM_OUTPUT_LONG_DOUBLE): Delete. Use the ones from i386.h
2432 Tue Feb 17 22:56:14 1998 Richard Henderson <rth@cygnus.com>
2434 * combine.c (simplify_rtx): Obey CLASS_CANNOT_CHANGE_SIZE when
2435 simplifying a subreg of a hard reg.
2436 (expand_compound_operation): Likewise.
2437 (force_to_mode): Likewise.
2439 Tue Feb 17 22:37:22 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2441 * fold-const.c: Include "system.h" to get stdlib.h and stdio.h.
2442 (lshift_double): Add parentheses around + or - inside shift.
2443 (rshift_double): Likewise.
2444 (size_int_wide): Explicitly set type of `bit_p' to `int'.
2446 * Makefile.in (fold-const.o): Depend on system.h.
2448 * Makefile.in (gcc.o): Depend on system.h, in accordance with last
2451 * haifa-sched.c: Include "system.h" to get <stdlib.h> and <stdio.h>.
2452 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
2453 (sched_note_set): Remove unused parameter `b', all callers changed.
2454 (schedule_block): Likewise for `rgn'.
2455 (split_hard_reg_notes): Likewise for `orig_insn'.
2456 (check_live): Likewise for `trg'.
2457 (update_live): Likewise.
2458 (check_live_1): Explcitly declare variable `i' as int.
2459 (update_live_1): Likewise.
2460 (insn_issue_delay): Remove unused variable `link'.
2461 (sched_analyze_2): Add default case in enumeration switch.
2462 (schedule_insns): Remove unused variable `i'.
2464 * Makefile.in ($(SCHED_PREFIX)sched.o): Depend on system.h.
2466 Tue Feb 17 22:31:04 1998 Jeffrey A Law (law@cygnus.com)
2468 * loop.c (rtx_equal_for_loop_p): Add some braces to disambiguate
2469 a dangling else clause.
2471 Tue Feb 17 21:28:12 1998 Gavin Koch <gavin@cygnus.com>
2473 * mips/mips.h (CAN_ELIMINATE): Don't eliminate the frame
2474 pointer for the stack pointer in MIPS16 and 64BIT.
2476 Tue Feb 17 21:17:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2478 * rtl.h (force_line_numbers, restore_line_number_status): Declare.
2479 * emit-rtl.c (force_line_numbers, restore_line_number_status):
2481 * stmt.c (struct nesting): Replace seenlabel with line_number_status.
2482 (expand_start_case): Adjust to this change.
2483 (check_seenlabel): New function.
2484 (pushcase, pushcase_range, expand_endcase): Use it.
2486 Tue Feb 17 10:14:32 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2488 * i386.md (adddi3): Add =!r,0,0,X alternative.
2490 Mon Feb 16 16:13:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
2492 * rs6000.h (MY_ISCOFF): Add numeric value of U803XTOCMAGIC.
2493 * x-aix31 (INSTALL): Delete.
2495 Mon Feb 16 09:24:32 1998 Gavin Koch <gavin@cygnus.com>
2497 * mips/mips.c (mips_expand_epilogue): Update tsize_rtx if
2498 tsize changes to something other than zero.
2500 Mon Feb 16 09:11:48 1998 Gavin Koch <gavin@cygnus.com>
2502 * ginclude/va-mips.h: Replace casts of pointers to int with
2503 casts of pointers to __PTRDIFF_TYPE__.
2505 Mon Feb 16 08:17:14 1998 John Carr <jfc@mit.edu>
2507 * loop.c (strength_reduce, record_biv, record_giv): Use
2508 HOST_WIDE_INT_PRINT_DEC to print CONST_INT values.
2510 1998-02-16 Jason Merrill <jason@yorick.cygnus.com>
2512 * tree.c (first_rtl_op): New fn.
2513 (unsave_expr_now): Use it.
2514 * print-tree.c (print_node): Likewise.
2515 * tree.c (has_cleanups): New fn.
2516 * fold-const.c (fold, case CLEANUP_POINT_EXPR): Use it. Be more
2517 conservative about pushing the cleanup point down.
2518 * tree.h: Declare them.
2520 Sun Feb 15 23:28:44 1998 Jeffrey A Law (law@cygnus.com)
2522 * toplev.c (flag_schedule_reverse_before_reload): Delete variable.
2523 (flag_schedule_reverse_after_reload): Likewise.
2524 (f_options): Remove reverse scheduling support.
2525 * flags.h (flag_schedule_reverse_before_reload): Delete declaration.
2526 (flag_schedule_reverse_after_reload): Likewise.
2527 * haifa-sched.c (rank_for_schedule): Remove support for reverse
2530 Sun Feb 15 21:33:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2532 * gcc.c: Get system includes, prototypes and macros via "system.h"
2533 instead of doing it manually. Change all calls of the ctype
2534 macros to custom versions defined in "system.h".
2536 * system.h: Fix return type of bcmp prototype from `void' to `int'.
2537 Make bcopy, bcmp and bzero prototypes explicitly `extern'.
2538 Add a prototype for getenv.
2540 Sun Feb 15 17:05:41 1998 Jim Wilson <wilson@cygnus.com>
2542 * mips/mips.h (INITIAL_ELIMINATION_OFFSET): Readd Jun 6 change.
2544 Sun Feb 15 15:23:15 1998 John Carr <jfc@mit.edu>
2546 * alias.c: Include <stdlib.h> and <string.h>.
2547 (init_alias_analysis): Pass NULL_RTX instead of 0 to record_set.
2549 Sat Feb 14 11:23:09 PST 1998 Jeff Law (law@cygnus.com)
2551 * version.c: Bump for snapshot.
2553 Sat Feb 14 05:08:21 1998 Richard Earnshaw (rearnsha@arm.com)
2555 * arm.md (movsfcc): Also validate operands[3] when compiling hard
2557 (movdfcc): Only accept fpu_add_operand for operands[3].
2559 * arm/t-semi (STMP_FIXPROTO): Define to nothing.
2560 * arm/t-semiaof (STMP_FIXPROTO): Likewise.
2562 Sat Feb 14 02:02:41 1998 Jeffrey A Law (law@cygnus.com)
2564 * varasm.c (output_constant_pool): Bring back 'done' label inside
2565 an appropriate #ifdef.
2567 * bitmap.c (bitmap_element_allocate): Wrap variable 'i' in an
2569 (bitmap_copy, bitmap_operation): Likewise.
2570 * combine.c (combinable_i3pat): Similarly for 'src'.
2571 * function.c (fixup_var_refs_1): Similarly for 'outerdest'.
2572 (locate_and_pad_parm): Similarly for 'reg_parm_stack_space'.
2573 * regclass.c (copy_cost): Similarly for 'secondary_class'.
2574 * reload.c (make_memloc): Simliarly for 'i'.
2575 (find_reloads_address_1): Similarly for 'link'.
2576 * reload1.c (reload): Similarly for 'previous_frame_pointer_needed'.
2577 (emit_reload_insns): Similarly for 'second_reloadreg'.
2578 * unroll.c (iteration_info): Similarly for 'v'.
2580 * caller-save.c (insert_save_restore): Remove unused variable 'i'.
2581 * calls.c (expand_call): Similarly for 'i'.
2582 (emit_library_call, emit_library_call_value): Similarly for 'mode'.
2583 * fold-const.c (strip_compund_expr): Similarly for 'type'.
2584 * function.c (fixup_var_refs_1): Similarly for 'width'.
2585 (fixup_memory_subreg): Similarly for 'saved'.
2586 (locate_and_pad_parm): Similarly for 'boundary_in_bytes.'
2587 (setjmp_protect): Similarly for 'sub'.
2588 (thread_prologue_and_epilogue_insns): Similarly for 'insn'.
2589 * loop.c (record_giv): Similarly for 'p'.
2590 (combine_givs): Similarly for 'temp_iv'.
2591 (indirect_jump_in_function_p): Similarly for 'is_indirect_jump'.
2592 * recog.c (validate_replace_rtx_1): Similarly for 'width'.
2593 * tree.c (get_set_constructor_bytes): Similarly for 'vals'.
2594 * unroll.c (unroll_loop): Similarly for 'copy'.
2595 (iteration_info): Similarly for 'b'.
2596 * varasm.c (assemble_string): Similarly for 'i'.
2597 * i386.h (LEGITIMIZE_ADDRESS): Similarly for 'orig_x'.
2599 1998-02-13 Martin von Loewis <loewis@informatik.hu-berlin.de>
2601 * c-lang.c (lang_print_xnode): New function.
2602 * objc/objc-act.c (lang_print_xnode): Likewise.
2603 * print-tree.c (print_node): Call it
2605 Fri Feb 13 14:38:34 1998 Jim Wilson <wilson@cygnus.com>
2607 * dwarf2out.c (decl_scope_node): New type.
2608 (decl_scope_table): Change type to use it.
2609 (decl_scope_table_allocated, decl_scope_depth): Change type to int.
2610 (push_decl_scope): Use new type. New locals containing_scope, i.
2611 Add code to handle setting previous field.
2612 (scope_die_for): Change type of local i to int. Add code to use
2614 (dwarf2out_init): Use new type.
2616 1998-02-13 Jason Merrill <jason@yorick.cygnus.com>
2618 * except.c (emit_throw): Lose throw_used.
2620 Fri Feb 13 20:36:05 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2622 * sched.c (update_flow_info, REG_WAS_0): Ignore if setting insn
2624 * haifa-sched.c (update_flow_info, REG_WAS_0): Likewise.
2626 Fri Feb 13 12:18:40 1998 Jeffrey A Law (law@cygnus.com)
2628 * genextract.c (main): Fix typo.
2630 Fri Feb 13 08:41:49 1998 Robert Lipe <robertl@dgii.com>
2632 * c-lang.c (finish_file): Bracket declaration of static_ctors,
2635 * calls.c (expand_call): Bracket declaration of 'rtx_before_call',
2636 'old_stack_arg_under_construction'
2637 (emit_library_call): Bracket declaration of 'upper_bound',
2638 'lower_bound', 'i', 'reg_parm_stack_space'
2639 (emit_library_call_value): Likewise.
2642 * collect2.c: include <unistd.h> when appropriate.
2643 Bracket declaration of 'exportf' and 'full_real_ld_suffix'.
2645 * emit-rtl.c (prev_cc0_setter): Remove unused variable 'link'.
2647 * explow.c (plus_constant_for_output_wide): Remove unused variable
2649 (memory_address): Remove unused variable 'orig_x'.
2651 * genattrtab.c (make_canonical): Remove unreferenced label 'cond:'.
2652 (write_const_num_delay_slots): Remove unused variable 'i'.
2654 * genopinit.c (main): Remove unused variables 'dummy', 'insn_ptr'.
2655 (gen_insn): Remove unused variable 'obstack_ptr'.
2657 * libgcc2.c (__bb_exit_func): Remove unused variables 'ret',
2659 (__bb_exit_trace_func): Remove unused variable 'e'.
2661 * optabs.c (expand_binop): remove unused variables 'lhs', 'rhs',
2663 (expand_unop): Remove unused variable 'funexp'.
2664 (expand_complex_abs): Remove unused variable 'funexp'.
2665 (init_optabs): Bracket declaration of 'j'.
2666 (init_complex_libfuncs): Deleted. Dead static function.
2668 * profile.c (branch_prob): Remove unused variables 'insn', 'dest'.
2670 * reg-stack.c: Fix typo in proto for 'get_asm_operand_lengths'
2671 (reg_to_stack): 'initialized', 'before_function_beg'
2672 explictly type as ints instead of defaulting.
2673 (emit_swap_insn): Remove unused variable 'i2'.
2674 (compare_for_stack_reg): Remove unused variable 'src_note'.
2676 * rtlanal.c (computed_jump_p): Remove unused variable 'computed_jump'.
2678 * sched.c (actual_hazard): Bracket declaration of 'this_cost'.
2680 * stmt.c (add_case_node): Add parens for assignment used as truth.
2681 (all_cases_count): Remove unused variable 'count_high'.
2682 (mark_seen_cases): Remove unused variable 'i'.
2683 (check_for_full_enumeration_handling): Remove unused variable 't'.
2684 Bracket declaration of 'all_values', 'l'.
2686 * tlink.c: Include <stdlib.h>, <unistd.h>, <string.h>/<strings.h>.
2688 * varasm.c (assemble_string): Remove unused variable 'i'.
2689 (immed_double_const): Remove unused variable 'in_current_obstack'.
2690 (immed_real_const_1): Likewise.
2691 (output_constant_pool): Remove unreferenced label 'done'.
2692 (output_constant): Remove unused variable 'x'.
2694 * i386/i386.h (ENCODE_SECTION_INFO): TREE_PUBLIC is an int, not
2697 * i386/sco5.h (ASM_OUTPUT_ASCII): Add parens for assignment used
2700 Fri Feb 13 10:21:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2702 * combine.c (can_combine_p): Handle USEs in PARALLELs.
2704 Fri Feb 13 01:34:14 1998 H.J. Lu (hjl@gnu.org)
2706 * config/linux.h (LIB_SPEC): Add -lc for -shared if
2707 USE_GNULIBC_1 is not defined.
2708 * config/sparc/linux.h; Ditto.
2710 * config/sparc/linux64.h (LIB_SPEC): Add -lc for -shared.
2712 * config/alpha/linux-elf.h (LIB_SPEC): New. Defined if
2713 USE_GNULIBC_1 is not defined.
2715 Fri Feb 13 01:29:29 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
2717 * rs6000/sysv4.h (ENDFILE_SPEC): add missing %(endfile_linux)
2720 Fri Feb 13 01:23:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2722 * system.h: New file to get common systems includes and various
2723 definitions and declarations based on autoconf macros.
2725 Fri Feb 13 00:46:19 1998 Jeffrey A Law (law@cygnus.com)
2727 * cccp.c (new_include_prefix): Correctly handle -I./.
2729 Thu Feb 12 20:16:35 1998 Michael Meissner <meissner@cygnus.com>
2731 * rs6000.md: Replace gen_rtx (CONST_INT,...) with GEN_INT.
2733 Thu Feb 12 16:45:17 1998 Robert Lipe <robertl@dgii.com>
2735 * expr.c (expand_assignment): Correct typo exposed by -Wall.
2736 offset should have been a truth value, not an assignment.
2738 Thu Feb 12 15:26:50 1998 Jeffrey A Law (law@cygnus.com)
2740 * cse.c (delete_dead_from_cse): If a libcall produces a constant
2741 result and that result can be substituted into SET_SRC of the
2742 insn with the REG_RETVAL note, then perform the substitution
2743 and delete the libcall.
2745 Thu Feb 12 14:04:09 1998 Gavin Koch <gavin@cygnus.com>
2747 * mips.md (trucndihi2,truncdiqi2): Change these to support
2750 Thu Feb 12 11:34:55 1998 Gavin Koch <gavin@cygnus.com>
2752 * mips/mips.c (movdi_operand): Direct referances to symbols
2753 that arn't mips16 consts in mips16 mode arn't valid operands.
2755 * mips/mips.c (mips_move_2words): Add gprel handling.
2757 Thu Feb 12 11:18:37 1998 Gavin Koch <gavin@cygnus.com>
2759 * mips.md (extendsidi2): Allow extension to/from a non-mips16
2762 Thu Feb 12 00:04:16 1998 Marc Lehmann <pcg@goof.com>
2764 * i386.c: Conditionally include <stdlib.h>, <string.h>, and
2767 Wed Feb 11 11:43:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2769 * Makefile.in (WARN_CFLAGS): New variable.
2770 (bootstrap, bootstrap2, bootstrap3, bootstrap4): Use it.
2772 1998-02-11 Mark Mitchell <mmitchell@usa.net>
2774 * config/i386/i386.c (reg_mentioned_in_mem): Don't abort when
2775 falling through default case in switch.
2776 (i386_aligned_p): Likewise.
2778 Wed Feb 11 12:59:56 1998 Lee Iverson <leei@Canada.AI.SRI.COM>
2780 * mips/mips.h (mips_abi_string): Correct typo in comment.
2782 Wed Feb 11 08:29:56 1998 Gavin Koch <gavin@cygnus.com>
2784 * mips/mips.md (movdi): These PLUS's need to be Pmode.
2786 Wed Feb 11 01:47:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2788 * Makefile.in (dwarf2out.o, emit-rtl.o, jump.o, cse.o, unroll.o,
2789 reorg.o, regmove.o): Depend on insn-codes.h, it gets included
2790 indirectly via expr.h.
2792 Wed Feb 11 01:44:13 1998 Richard Henderson <rth@cygnus.com>
2794 * stor-layout.c (layout_type): Do upper - lower in the native type,
2795 so as to properly handle negative indices.
2797 Wed Feb 11 01:35:55 1998 Robert Lipe <robertl@dgii.com>
2799 * except.c (start_dynamic_cleanup): Remove unused variable 'dhc'.
2800 (expand_eh_region_start_tree): Remove unused variable 'note'.
2801 (exception_optimize): Remove unused variable 'regions'.
2802 (expand_builtin_eh_stub): Remove unused variable 'temp'.
2803 (copy_eh_entry): Deleted. Dead function.
2805 * expr.c (move_block_to_reg) Bracket declaration of 'pat' and
2806 'last' with same #if HAVE_load_multiple as use of it.
2807 (move_block_from_reg): Likewise.
2808 (emit_move_insn_1): Remove unused variable 'insns'.
2809 (store_constructor): Bracket declaration of startb, endb with
2810 #if TARGET_MEMFUNCTIONS. Remove unused variables 'set_word_size'
2811 'target', and 'xtarget'.
2812 (expand_builtin_setjmp): Remove unused variables 'op0',
2813 'next_arg_reg', 'old_inhibit_defer_pop'.
2814 (expand_builtin): Remove unused variable 'offset'.
2815 (do_store_flag): Remove unused variables 'pattern', 'jump_pat'.
2816 (emit_queue): Add parens for assignment used as conditional.
2817 (expand_expr): case TARGET_EXPR: Remove unused variable 'temp'.
2819 Wed Feb 11 01:30:49 1998 Marc Lehmann <pcg@goof.com>
2821 * i386.c: Added include for recog.h.
2822 (override_options): Removed unused variable p. Initialized regno to
2824 (order_regs_for_local_alloc): Initialized regno to avoid warning.
2825 (legitimize_address): Likewise for 'other'.
2826 (i386_aligned_reg_p): Added default case with abort ().
2827 (print_operand): Likewise.
2828 (reg_mentioned_in_mem): Likewise.
2829 (ix86_expand_binary_operator): Removed unused variables i & insn.
2830 (ix86_expand_unary_operator): Removed unused variable insn.
2831 (output_fp_cc0_set): Removed unused variable unordered_label.
2833 Wed Feb 11 01:23:03 1998 John F. Carr <jfc@mit.edu>
2835 * i386.c, i386.h, i386.md: Change gen_rtx (X, ...) to gen_rtx_X (...).
2836 Use GEN_INT instead of gen_rtx (CONST_INT). Make printf arguments
2837 and format string match.
2839 Wed Feb 11 01:17:39 1998 Jeffrey A Law (law@cygnus.com)
2841 * flow.c (life_analysis): Do not conside the stack pointer live at
2842 the end of a function if the fucntio ncalls alloca.
2843 (mark_used_regs): Similarly.
2845 1998-02-10 John F Carr <jfc@mit.edu>
2847 * config/sparc/sparc.md (movdi_v8plus): Output stx on alternative
2848 1, fzero on alternative 8.
2850 Tue Feb 10 09:02:19 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2852 * rs6000.c (setup_incoming_varargs): Always set rs6000_sysv_varargs_p.
2854 Tue Feb 10 03:35:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2856 * reload.c (find_reloads_toplev): Handle arbitrary non-paradoxical
2857 SUBREGs of CONST_INTs.
2859 Mon Feb 9 17:52:36 1998 John Carr <jfc@mit.edu>
2861 * mips.c (print_operand, function_prologue): Make printf format
2862 match argument type.
2864 Mon Feb 9 02:37:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2866 * alpha.c (alpha_return_addr): Remove unused variable `first'.
2867 (alpha_ra_ever_killed): Remove unused variables `ra' and `i'.
2868 (output_epilog): Remove unused variable `frame_size_from_reg_save'.
2870 Sun Feb 8 14:56:03 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2872 * loop.c (strength_reduce): When placing increment for auto-inc
2873 case, do comparison in loop order.
2875 Sun Feb 8 13:21:38 1998 John Carr <jfc@mit.edu>
2877 * bitmap.c (bitmap_debug_file): HOST_PTR_PRINTF converts a pointer,
2878 not a HOST_WIDE_INT.
2880 * calls.c (expand_call): Change test of expand_inline_function
2881 return value to stop compiler warning.
2883 * genattrtab.c (RTL_HASH): Cast pointer to long, not HOST_WIDE_INT.
2885 Sun Feb 8 12:04:24 1998 Jim Wilson (wilson@cygnus.com)
2886 Jeff Law (law@cygnus.com)
2888 * regmove.c: Fix various minor formatting problems.
2889 (optimize_reg_copy_1): Stop search at CALL_INSNs if flag_exceptions
2890 is true. Make end of basic block tests consistent through regmove.c.
2891 (optimize_reg_copy_2, optimize_reg_copy_3): Likewise.
2892 (fixup_match_2, fixup_match_1, regmove_optimize): Likewise.
2894 Sun Feb 8 01:49:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2896 * gansidecl.h: Check for a conflicting macro definition before
2897 attempting to prototype bcopy, bcmp or bzero.
2899 Sun Feb 8 00:09:59 1998 Jeffrey A Law (law@cygnus.com)
2901 * expr.c (clear_pending_stack_adjust): Handle case where a function
2902 calls alloca, but the user has specified -fomit-fframe-pointer.
2904 * function.c (assign_parms): Fix typo in last change.
2906 Sat Feb 7 23:54:29 1998 Robert Lipe <robertl@dgii.com>
2908 * gcc.c: Include <strings.h>/<string.h>, <stdlib.h>, <unistd.h>,
2910 (free_path_suffix): Remove unreferenced static function.
2911 (process_command): Remove unused variable temp.
2912 (default_arg): Remove unused variable i.
2913 (do_spec_1): Add parens for assignment used as truth value.
2915 (validate_all_switches): Likewise.
2916 (main): Remove unused variables i, first_time>
2918 * c-common.c: Include <stdlib.h> and <string.h>/<strings.h>.
2920 * calls.c (expand_call): Remove unused variables funtree,
2921 n_regs, and tmpmode.
2923 * dbxout.c, except.c: Include <string.h>/<strings.h>.
2925 * explow.c: (plus_constant_for_output_wide) Removed unused
2926 variable all_constant.
2928 * c-decl.c, genattr.c, genattrtab.c, getconfig.c, genemit.c
2929 genextract.c, genflags.c, genopinit.c genoutput.c, genpeep.c,
2930 genrecog.c, global.c, integrate.c , stupid.c : Include
2933 * genextract.c: (walk_rtx) Remove unused variable link.
2935 * genrecog.c: (concat) Remove unreferenced static function.
2937 * prefix.c: Include <string.h>/<strings.h>, <stdlib.h>
2939 * stmt.c: Include <stdlib.h>.
2940 (expand_asm_operands): Remove unused variable val1.
2941 (expand_return): Remove unused variable block.
2942 (pushcase): Remove unused variables l and n.
2943 (pushcaserange): Likewise.
2945 * unroll.c (unroll_loop): Remove unused variable temp.
2947 Sat Feb 7 23:46:09 1998 Greg McGary <gkm@gnu.org>
2949 * c-decl.c (pushdecl): Set DECL_ORIGINAL_TYPE once only.
2951 Sat Feb 7 15:11:28 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2953 * aclocal.m4 (GCC_FUNC_PRINTF_PTR): New macro to test the printf
2954 functions for whether they support the %p format specifier.
2955 * acconfig.h (HOST_PTR_PRINTF): Insert stub for autoconf.
2956 * configure.in (GCC_FUNC_PRINTF_PTR): Use it.
2957 * configure, config.in: Rebuild.
2959 Fri Feb 6 14:20:16 1998 Jim Wilson <wilson@cygnus.com>
2961 * function.c (assign_parms): New variable named_arg, with value
2962 depending on STRICT_ARGUMENT_NAMING. Use instead of ! last_named.
2964 Fri Feb 6 14:34:28 1998 Gavin Koch <gavin@cygnus.com>
2966 * mips/t-r3900: New - same as t-ecoff but eliminate
2967 multilibs: mips1 and mips3.
2968 * configure.in (tx39*): Use new mips/t-r3900.
2969 * configure: Rebuild.
2970 * mips/r3900.h (MULTILIB_DEFAULTS): Eliminate mips1.
2972 1998-02-06 Jason Merrill <jason@yorick.cygnus.com>
2974 * dwarf2out.c: Add old_args_size.
2975 (dwarf2out_args_size): Use it.
2976 (dwarf2out_begin_prologue): Initialize it.
2977 (dwarf2out_stack_adjust): If !asynchronous_exceptions, save up
2978 pushed args until we see a call.
2979 * final.c (final_scan_insn): Hand CALL_INSNs off to the dwarf2 code
2980 before outputting them.
2982 1998-02-06 Kriang Lerdsuwanakij <lerdsuwa@scf.usc.edu>
2984 * cplus-dem.c (demangle_template_template_parm): New function.
2985 (demangle_template): Handle template template parameters.
2987 1998-02-02 Mark Mitchell <mmitchell@usa.net>
2989 * calls.c (expand_call): Don't confuse member functions named
2990 realloc, setjmp, and so forth with the standard library
2991 functions of the same names.
2993 Thu Feb 5 21:59:49 1998 Jeffrey A Law (law@cygnus.com)
2995 * stmt.c (expand_asm_operands): Correctly identify asm statements
2998 Thu Feb 5 21:56:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
3000 * c-common.c (decl_attributes): Flag unrecognized attribute
3001 functions as warnings instead of as errors.
3003 1998-02-05 Marc Lehmann <pcg@goof.com>
3005 * integrate.c (INTEGRATE_THRESHOLD): Inline only small functions
3006 when -Os is specified.
3007 * toplev.c (main): Don't disable flag_inline_functions anymore when
3010 Fri Feb 6 00:27:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3012 * regmove.c: Update.
3013 * flags.h (flag_regmove): Declare.
3014 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Don't declare.
3015 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2):
3016 Moved into regmove; changed caller.
3017 * toplev.c (rest_of_compilation): Call regmove_optimize also for
3018 expensive_optimizations.
3020 Thu Feb 5 13:38:42 PST 1998 Jeff Law (law@cygnus.com)
3022 * version.c: Bump for snapshot.
3024 Thu Feb 5 01:45:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3025 Undo this change (the problem was actually in reload):
3026 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3028 * sh.md (movqi_i+1): New peephole.
3030 Tue Feb 3 01:11:12 1998 Jeffrey A Law (law@cygnus.com)
3032 * jump.c (jump_optimize): Lose calls to modified_in_p they are
3033 not needed anymore due to changes elsewhere in jump.c.
3035 * jump.c (jump_optimize): Fix first arg to modified_in_p in
3038 Mon Feb 2 19:18:14 1998 Richard Henderson <rth@cygnus.com>
3040 * expr.c (expand_builtin_setjmp): Accept two new arguments for
3041 the labels to branch to on first and subsequent executions. Don't
3042 play with __dummy. Rename `setjmp' insn to `builtin_setjmp_setup',
3043 and provide it with the jmp_buf. Use only one of
3044 `builtin_setjmp_receiver' or `nonlocal_goto_receiver',
3045 and provide the former with the target label.
3046 (expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp.
3047 (expand_builtin) [BUILTIN_LONGJMP]: Split out to ...
3048 (expand_builtin_longjmp): ... here. Recognize a `builtin_longjmp'
3049 insn to replace all of the normal nonlocal_goto code. Don't play
3050 with __dummy. Correct arguments to nonlocal_goto.
3051 * expr.h (expand_builtin_setjmp): Update prototype.
3052 * except.c (start_dynamic_handler): When using builtin_setjmp,
3053 generate more accurate flow information.
3055 * alpha.md (nonlocal_goto_receiver_osf): Delete.
3056 (nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver.
3057 (builtin_longjmp, builtin_setjmp_receiver): New.
3058 * sparc.md (update_return): Disambiguate unspec number.
3059 (nonlocal_goto): Rearrange arguments to match caller in except.c.
3060 (builtin_setjmp_setup): Rename from setjmp. Match and ignore the
3062 * mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove.
3063 (builtin_setjmp_setup*, builtin_longjmp): New.
3065 Mon Feb 2 16:43:10 1998 John Carr <jfc@mit.edu>
3067 * mips.md: Change gen_rtx (CONST_INT) to GEN_INT.
3069 Mon Feb 2 13:06:47 1998 Jim Wilson <wilson@cygnus.com>
3071 * vmsconfig.com: Remove bytecode references.
3073 1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3075 * dwarf2out.c (dwarf2out_frame_init): Undo last change, so that
3076 -fno-sjlj-exceptions works for a target that defines
3077 DWARF2_UNWIND_INFO as zero.
3079 * regmove.c (fixup_match_1): Undo last change which removed some
3080 "useless" code, and add a comment explaining this.
3082 Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com)
3084 * mips.c (mips_expand_prologue): Change uses of TARGET_64BIT
3087 Mon Feb 2 10:38:41 1998 Klaus Kaempf <kkaempf@progis.de>
3089 * makefile.vms: Remove bytecode references.
3090 Create genrtl files.
3092 Mon Feb 2 02:08:04 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
3094 * jump.c (jump_optimize): Allow conditional loading of floating point
3095 constants and constants from memory. Reinstalled modified_in_p tests.
3097 Mon Feb 2 01:38:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3099 * loop.c (get_condition): Handle sign-extended constants.
3101 Mon Feb 2 01:22:46 1998 Hans-Peter Nilsson <hp@axis.se>
3103 * expr.c (emit_push_insn): Add code to use movstrti if present.
3105 * expr.c (emit_push_insn): Use same max-move-amount for movstrhi
3106 and movstrqi as in emit_block_move ().
3108 Mon Feb 2 00:09:52 1998 Toon Moene <toon@moene.indiv.nluug.nl>
3110 * config/m68k/x-next: Remove /NextDeveloper/Headers from
3111 the directories to fixinclude - /usr/include is a link
3112 to it and hence its contents are fixed by default.
3114 Sun Feb 1 14:15:33 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
3116 * rs6000/linux.h: define JUMP_TABLES_IN_TEXT_SECTION
3118 Sun Feb 1 13:01:15 1998 Klaus Kaempf <kkaempf@progis.de>
3120 * cccp.c (main): Predefine __VMS_VER on VMS.
3122 Sun Feb 1 12:39:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3124 * expr.c (get_inner_reference): Use sbitsizetype for type sizes.
3125 * fold-const.c (size_int): Replace with
3127 (make_bit_field_ref): Use bitsize_int for bit position.
3128 * stor-layout.c (sizetype): Delete.
3129 (sizetype_tab, sbitsizetype, ubitsizetype): Declare.
3130 (layout_record, layout_union, layout_type):
3131 Use bitsize_int for bit size.
3132 (set_sizetype): New function.
3133 (make_signed_type, make_unsigned_type): Use it.
3134 * c-decl.c (init_decl_processing): Likewise.
3135 * tree.h (size_int): Don't delcare, #define.
3136 (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
3137 (set_sizetype): Declare.
3138 (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
3140 * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
3141 Convert result to sizetype.
3142 (really_start_incremental_init, push_init_level):
3143 Set type of constructor_bit_index to sbitsizetype.
3144 (push_init_level): Use unsigned arithmetic to determine padding.
3145 (output_init_element): Likewise.
3147 Sun Feb 1 03:32:07 1998 Jeffrey A Law (law@cygnus.com)
3149 * combine.c (simplify_shift_const): Fix typo in last change.
3151 Sun Feb 1 02:50:46 1998 John Carr <jfc@mit.edu>
3153 * combine.c (simplify_shift_const): (lshiftrt (truncate (lshiftrt)))
3154 is (truncate (lshiftrt)).
3156 Sun Feb 1 01:06:53 1998 Richard Henderson <rth@cygnus.com>
3158 * alpha.c (alpha_expand_unaligned_load): Use expand_binop properly.
3159 Make sure result winds up in TGT.
3160 (alpha_expand_unaligned_store): Use expand_binop properly. Allow
3161 src to be other than DImode.
3162 (alpha_expand_unaligned_load_words): Tidy. Take an offset argument.
3163 (alpha_expand_unaligned_store_words): Likewise.
3164 (alpha_expand_block_move): Use REGNO_POINTER_ALIGN. Restructure so
3165 that source and destination are separately optimized for alignment.
3166 (alpha_expand_block_clear): Use REGNO_POINTER_ALIGN.
3168 Sun Feb 1 01:55:09 1998 Jeffrey A Law (law@cygnus.com)
3170 * mips.md (adddi3_internal_2): Be consistent with adddi3 expander
3171 with handling of -32768.
3173 Sun Feb 1 01:48:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3175 * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a
3176 shell variable argument instead of only hard coded functions.
3177 (GCC_NEED_DECLARATIONS): New macro to accept multiple functions.
3179 * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one
3180 call. Collapse multiple calls to GCC_NEED_DECLARATION into one
3181 call to GCC_NEED_DECLARATIONS (new macro.) Check if we need
3182 declarations for bcopy, bcmp and bzero.
3184 * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations.
3186 * gansidecl.h: If we have bcopy but don't declare it, then do so.
3187 Likewise for bcmp and bzero. Only define macros for bcopy, bcmp,
3188 bzero, index and rindex if they aren't already present.
3190 Sat Jan 31 11:26:58 1998 Jeffrey A Law (law@cygnus.com)
3192 * toplev.c (close_dump_file): Wrap function prototype for
3193 argument "func" in PROTO.
3194 (dump_rtl): Likewise.
3196 Fri Jan 30 22:30:39 1998 John Carr <jfc@mit.edu>
3198 * sparc.c (sparc_override_options): Make v8plus and ultrasparc set
3200 (output_function_epilogue): Omit epilogue if nothing drops through.
3201 (output_move_double): Supress int ldd usage on ultrasparc and v9.
3202 (registers_ok_for_ldd_peep): Likewise.
3203 (print_operand): Supress b,a on ultrasparc. Let Y accept a constant.
3204 (ultrasparc_adjust_cost): New function.
3205 (sparc_issue_rate): New function.
3206 * sparc.h (MASK_VIS, TARGET_VIS): New
3207 (MASK_V8PLUS, TARGET_V8PLUS): New.
3208 (TARGET_HARD_MUL32, TARGET_HARD_MUL): New.
3209 (TARGET_SWITCHES): Add vis and v8plus.
3210 (REG_CLASS_FROM_LETTER): Accept d and b for VIS.
3211 (REGISTER_MOVE_COST): FP<->INT move cost 12 for ultrasparc.
3212 (RTX_COSTS): Use TARGET_HARD_MUL
3213 (ADJUST_COST): Call ultrasparc_adjust_cost.
3215 * sparc.md (attr type): Add sload, fpmove, fpcmove. Adjust users
3216 of load & fp appropritely.
3217 (supersparc function units): Adjust for Haifa.
3218 (ultrasparc function units): Likewise.
3219 (get_pc_via_rdpc): All v9, not just arch64.
3220 (movdi_v8plus, movdi_v8plus+1): New.
3221 (adddi3_sp32+1): New.
3222 (subdi3_sp32+1): New.
3223 (movsi_insn, movsf_const_insn, movdf_const_insn): Know VIS.
3224 (addsi3, subsi3, anddi3_sp32, andsi3, and_not_di_sp32): Likewise.
3225 (and_not_si, iordi3_sp32, iorsi3, or_not_di_sp32, or_not_si): Likewise.
3226 (xorsi3_sp32, xorsi3, xor_not_di_sp32, xor_not_si): Likewise.
3227 (one_cmpldi2_sp32, one_cmplsi2): Likewise.
3228 (ldd peepholes): Suppress for v9.
3229 (return_adddi): Kill redundant test. Arg1 may be arith_operand.
3230 (return_subsi): Revmove.
3232 Fri Jan 30 18:30:03 1998 John F Carr <jfc@mit.edu>
3234 * mips.c (save_restore_insns): Set RTX_UNCHANGING_P in register
3235 save/restore MEM rtl.
3237 Fri Jan 30 09:08:16 1998 Jeffrey A Law (law@cygnus.com)
3239 * configure.in: Check for declaration of abort.
3240 * acconfig.h: Corresponding changes.
3241 * toplev.c: Use NEED_DECLARATION_ABORT to determine if abort should
3244 Thu Jan 29 20:26:12 1998 Jeffrey A Law (law@cygnus.com)
3246 * genattrtab.c (optimize): Define in case PRESERVE_DEATH_INFO_REGNO_P
3249 Thu Jan 29 09:27:56 PST 1998 Jeff Law (law@cygnus.com)
3251 * version.c: Bump for snapshot.
3253 Thu Jan 29 10:12:27 1998 Jeffrey A Law (law@cygnus.com)
3255 * configure.in: Check for atoq and atoll.
3256 * rtl.c (read_rtx): Use HAVE_ATOLL and HAVE_ATOQ to select the
3257 proper routine for converting ascii into long long values.
3259 Thu Jan 29 01:28:14 1998 Klaus Kaempf <kkaempf@progis.de>
3261 * cccp.c (SYS$SEARCH, SYS$PARSE): Write as upper-case.
3263 * vmsconfig.com: Remove bytecode references.
3265 * alpha/vms.h (PREFIX): Define.
3267 * alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Remove.
3269 * am-alpha.h: Don't include alloca for OPEN_VMS.
3271 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define.
3273 * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define.
3274 (GCC_INCLUDE_DIR): Define
3276 * make-cc.com, make-cccp.com, make-cc1.com: Removed.
3277 * makefile.vms: New file.
3279 * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha.
3281 * alpha.c (output_prolog): Output '.name' directive
3282 for minimal traceback information.
3284 * alpha.c (output_prolog): Don't prepend entry point symbols
3285 with '$' on OPEN_VMS.
3287 Thu Jan 29 00:25:35 1998 David S. Miller <davem@tanya.rutgers.edu>
3288 Jeffrey A Law (law@cygnus.com)
3290 * rtl.c (read_rtx): Use atol/atoq based upon disposition of
3293 * genattrtab.c (write_test_expr): Use HOST_WIDE_INT_PRINT_DEC
3295 * genemit.c (gen_exp): Likewise.
3296 * genpeep.c (match_rtx): Likewise.
3297 * genrecog.c (write_tree_1): Likewise.
3299 * c-lex.c (yyprint): Use proper format string based upon
3300 disposition of HOST_BITS_PER_WIDE_INT.
3301 (yylex): Put casts in right place for args to build_int_2.
3303 Thu Jan 29 00:24:29 1998 Jeffrey A Law (law@cygnus.com)
3305 * combine.c: Fix typos in Jan27 changes.
3307 Thu Jan 29 00:07:49 1998 Ollivier Robert <roberto@keltia.freenix.fr>
3309 * i386/freebsd.h (LIB_SPEC): Correctly handle -shared, -p and friends.
3310 (LINK_SPEC): Likewise.
3311 (STARTFILE_SPEC): Likewise.
3313 1998-01-28 Mike Stump <mrs@wrs.com>
3315 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
3317 * genattrtab.c (reload_completed): Define.
3319 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete
3322 Wed Jan 28 20:11:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3324 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
3325 SUBREG_REG if the word count is unchanged, also in the input reload
3326 case. Disable non-applicable sanity checks.
3328 Wed Jan 28 20:08:26 1998 Jeffrey A Law (law@cygnus.com)
3330 * config/t-svr4 (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
3332 Wed Jan 28 20:04:43 1998 Ian Lance Taylor <ian@cygnus.com>
3334 * i386/t-cygwin32 (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
3336 Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com>
3338 * dbxout.c (dbxout_type): For a RECORD_TYPE, check that TYPE_BINFO
3339 is a TREE_VEC before trying to use it for baseclasses.
3340 (Chill uses the same field for a different purpose.)
3342 * toplev.c (strip_off_ending): Generalize to endings up to 5 chars.
3344 Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi>
3346 * config.sub: More accurate determination of HP processor types.
3348 Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3350 * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
3351 prototype for `handle_sysv_pragma', and make it static. Add
3352 parentheses around assignment used as truth value.
3354 * combine.c (combine_instructions): Protect variable `prev' with
3356 (can_combine_p): Protect variable `link' with AUTO_INC_DEC.
3357 (extract_left_shift): Add parentheses around operand of &.
3358 (merge_outer_ops): Avoid an empty body in an else-statement.
3359 (gen_rtx_combine): Remove unused variable `i'.
3361 * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
3362 function monstartup `void'. Likewise for internal_mcount. Add
3363 `static void' prototype for moncontrol. Reconcile sprintf format
3366 * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
3367 Make return type of function_arg_slotno explicitly `int'.
3368 (reg_unused_after): Add parentheses around assignment used as
3370 (save_regs): Add explicit braces to avoid ambiguous `else'.
3371 (function_arg_slotno): Add parentheses around && within ||.
3372 (function_arg_pass_by_reference): Likewise.
3373 (sparc_flat_output_function_prologue): Reconcile fprintf format
3376 * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
3377 assignment used as truth value.
3379 * cplus-dem.c: Include <stdlib.h>.
3380 (demangle_signature): Avoid an empty body in an else-statement.
3381 (do_type): Remove unused variable `lvl'.
3383 * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
3384 Include <string.h>/<strings.h>.
3385 (cpp_lex): Remove unused variable `namelen'.
3386 (cpp_lex): Explicitly declare `num_chars' as an int.
3388 * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
3389 <unistd.h> instead. Explicitly declare is_system_include
3391 (make_assertion): Remove unused variable `kt'.
3392 (cpp_expand_to_buffer): Hide variable `obuf'.
3393 (output_line_command): Remove unused variables, `line_end',
3394 `line_cmd_buf' and `len'.
3395 (macarg): Remove unused variable `arg_start'.
3396 (special_symbol): Remove unused variable `i'. Add parentheses
3397 around assignment used as truth value.
3398 (do_include): Remove unused variables `pcfname' and `retried',
3399 hide `pcf' and `pcfbuflimit'.
3400 (do_line): Remove unused variable `i'.
3401 (finclude): Hide variable `missing_newline'.
3402 (cpp_handle_options): Remove unused variable `j'.
3403 (read_token_list): Remove unused variable `eofp'.
3404 (cpp_error_with_line): Remove unused variable `i'.
3405 (cpp_warning_with_line): Likewise.
3406 (cpp_pedwarn_with_line): Explicitly declare `column' as int.
3407 (cpp_error_from_errno): Remove unused variable `i'.
3409 * cse.c (invalidate): Add parentheses around assignment used as
3411 (find_best_addr): Move declaration of variable `our_cost' inside
3412 the conditional macro where its used.
3413 (fold_rtx): Avoid an empty body in an if-statement.
3414 (cse_insn): Wrap variables `this_insn_cc0_mode' and
3415 `this_insn_cc0' in macro HAVE_cc0.
3417 * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
3418 (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
3419 (output_uleb128): Likewise.
3420 (output_sleb128): Likewise.
3421 (output_cfi): Likewise.
3422 (output_call_frame_info): Remove unused variables `j', `fde_size'
3424 (comp_unit_has_inlines): Hide declaration as per rest of file.
3425 (size_of_line_prolog): Correct typo in prototype.
3426 (add_arange): Likewise.
3427 (output_aranges): Likewise.
3428 (add_name_and_src_coords_attributes): Likewise.
3429 (gen_array_type_die): Likewise.
3430 (gen_inlined_subroutine_die): Likewise.
3431 (equate_decl_number_to_die): Remove unused variable `i'.
3432 (print_die): Reconcile format vs. args in fprintf's.
3433 (print_dwarf_line_table): Likewise.
3434 (output_die): Likewise.
3435 (output_line_info): Likewise.
3436 (add_subscript_info): Avoid an empty body in an else-statement.
3437 (gen_subprogram_die): Remove unused variable `fp_loc'.
3439 * dwarfout.c: Explicitly declare `next_pubname_number' as int.
3440 Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
3441 macro. Protect `src_coords_attribute' prototype with
3442 DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
3443 prototype as in the rest of the file. Likewise for
3444 `output_pointer_type_die' and `output_reference_type_die'. Remove
3445 prototype for `type_of_for_scope'.
3446 (output_unsigned_leb128): Reconcile format vs. args in fprintf.
3447 (type_attribute): Add explicit braces to avoid ambiguous `else'.
3449 * final.c: Include <stdlib.h> and <string.h>/<strings.h>.
3450 (shorten_branches): Protect declaration of tmp_length with
3451 SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
3452 (profile_function): Protect declaration of `sval' and `cxt'
3453 variables with appropriate macros.
3454 (final_scan_insn): Likewise for `note' variable. Add explicit
3455 braces to avoid empty body in an if-statement.
3456 (output_asm_insn): Move variable `i' inside macro conditional
3457 where it is used. Add parentheses around assignment used as truth
3459 (asm_fprintf) Likewise, likewise.
3461 * fix-header.c (main): Remove unused variable `done'. Protect
3462 declaration of `i' with FIXPROTO_IGNORE_LIST.
3464 * pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
3466 * print-rtl.c (print_inline_rtx): Explicitly declare the parameter
3469 * profile.c: Include <string.h>/<strings.h>.
3470 (instrument_arcs): Remove unused variables `note', `inverted',
3471 `zero' and `neg_one'.
3472 (branch_prob): Avoid empty body in an if-statement.
3474 * regclass.c: Include <stdlib.h>.
3475 (reg_alternate_class): Explicitly declare parameter `regno'.
3477 * regmove.c (regmove_optimize): Remove unused variable `p'. Add
3478 parentheses around assignment used as truth value.
3479 (find_matches): Remove unused variables `output_operand' and
3481 (fixup_match_1): Remove statement with no effect: "if (0) ;".
3483 * scan.c (sstring_append): Explicitly declare `count' as int.
3484 (scan_string): Explicitly declare parameter `init' as int.
3486 * sched.c: Include <stdlib.h>.
3487 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
3488 (rank_for_schedule): Add parentheses around assignment used as
3490 (schedule_block): Likewise.
3491 (regno_use_in): Likewise.
3492 (schedule_insns): Remove unused variable `i'.
3494 * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
3495 (v_message_with_decl): Remove unused variable `n'.
3496 (botch): Explicitly declare parameter `s' as char *.
3497 (main): Add parentheses around assignment used as truth value.
3499 * tree.c (make_node): Protect the variable `kind' with the
3500 GATHER_STATISTICS macro.
3501 (real_value_from_int_cst): Move variable `e' inside conditional
3502 macro area where it is used.
3503 (tree_last): Add parentheses around assignment used as truth value.
3504 (build1): Protect the variable `kind' with the GATHER_STATISTICS
3506 (print_obstack_statistics): Reconcile format vs. args in fprintf.
3507 Protect variables `i', `total_nodes', and `total_bytes' with the
3508 GATHER_STATISTICS macro.
3510 Tue Jan 27 23:01:55 1998 Mike Stump (mrs@wrs.com)
3512 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add
3513 some comments regarding use of dead_or_set_p.
3515 Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com>
3517 * fixincludes: Tweak fix for struct exception in math.h
3519 Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com)
3521 * mips/mips.c (mips_expand_prologue,mips_expand_epilogue):
3522 Change mode of registers used to add/sub from
3523 hard_frame_pointer_rtx from word_mode to Pmode.
3525 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
3527 * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use
3528 asm_output_aligned_bss() instead of asm_output_bss().
3530 * toplev.c (rest_of_compilation): Replace references to
3531 stack_reg_dump_file and dbr_sched_dump_file with references to
3534 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
3536 * tlink.c (scan_linker_output): Call fclose() for opened files.
3538 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
3540 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
3541 compiling with -fpic -- we want to be able to override symbols
3543 (alpha_expand_block_move): Fix thinko in last change.
3545 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
3546 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
3547 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
3549 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
3551 * alpha.md (abssf, absdf): Revert last change.
3553 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
3555 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
3556 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
3558 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
3560 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
3561 a CONST_INT into SFmode.
3563 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
3565 * flags.h: New flag (optimize_size).
3566 * toplev.c (main): Parse -Os option and set optimize_space
3568 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
3569 __OPTIMIZE_SIZE__ when compiling with -Os.
3570 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
3571 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
3572 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
3574 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
3576 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
3578 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
3579 stuff only if MCT_TEXT is #define'd.
3581 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
3583 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
3586 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
3588 * toplev.c: Add -dM command line option to dump RTL after the
3589 machine dependent reorganisation pass, if there is one.
3590 Reorganise RTL dump code, so that only one file handle is
3593 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
3595 * except.c (check_exception_handler_labels): Disable warning when
3598 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
3600 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
3602 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3604 * c-decl.c (grokdeclarator): Get parameter tags from
3605 last_function_parm_tags.
3606 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
3607 traversing the parameter types.
3608 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
3610 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
3612 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
3614 (get_shift_alg): Fix typo.
3616 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
3618 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
3620 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
3622 * toplev.c (get_run_time): Make sure each case gets its variables.
3624 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
3626 * configure.in (build_xm_file): Add auto-config.h if host=build.
3627 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
3628 (build_xm_file_list): Likewise.
3629 * configure: Rebuild.
3631 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
3633 * recog.c (validate_replace_rtx_1): Only perform substitutions
3634 of arguments to commutative and comparison operators once.
3636 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3638 * sparc.c (output_cbranch): Add default case in
3641 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
3642 (emit_delay_sequence): Eliminate unused parameter, all callers
3644 (fill_simple_delay_slots): Likewise.
3645 (fill_slots_from_thread): Likewise.
3646 (fill_eager_delay_slots): Likewise.
3647 (mark_referenced_resources): Add default case in enumeration switch.
3648 (mark_set_resources): Likewise.
3649 (rare_destination): Likewise.
3650 (mostly_true_jump): Likewise.
3651 (find_dead_or_set_registers): Likewise.
3652 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
3653 (update_reg_unused_notes): Remove unused variable `p'.
3654 (mark_target_live_regs): Remove unused variables `next' and
3656 (fill_simple_delay_slots): Remove unused variable `j'.
3657 (fill_slots_from_thread): Add parentheses around assignment used
3659 (dbr_schedule): Likewise.
3661 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
3662 (objc.stage2, objc.stage3, objc.stage4): Likewise.
3664 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
3666 * cse.c (simplify_ternary_operation): Don't try to simplify
3667 IF_THEN_ELSE expressions (created by combine) that don't use
3668 relational operators.
3670 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
3672 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
3675 * crtstuff.c (init_dummy): Keep the epilogue in the init
3676 section for non-ELF systems.
3678 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3680 * sh.md (movqi_i+1): New peephole.
3682 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
3684 * Makefile.in: Remove remaining bytecode stuff.
3685 * emit-rtl.c, expr.c: Likewise.
3687 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
3689 * toplev.c (lang_options): Add unknown-pragma options.
3691 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
3693 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
3694 special (and incomplete) handling for Chill arrays.
3696 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
3698 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
3701 Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com)
3703 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
3705 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
3707 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
3708 .frame directive instead of FRAME_POINTER_REGNUM.
3710 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
3712 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
3713 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
3714 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
3715 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
3716 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
3717 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
3718 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
3719 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
3721 * longlong.h: Replace __mc68332__ with __mcpu32__.
3723 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
3725 * version.c: Bump for snapshot.
3727 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
3729 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
3730 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
3731 * reload1.c (eliminate_regs): Likewise.
3733 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
3735 * regmove.c (find_matches): Initialize matches->earlyclobber too.
3737 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
3739 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
3740 (negsf2, negdf2): Use proper subtract in IEEE mode.
3742 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
3744 * Makefile.in: Remove more bytecode stuff.
3745 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
3746 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
3747 * f/install.texi, objc/Make-lang.in: Likewise.
3749 * Makefile.in: Remove all bytecode support.
3750 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
3751 * emit-rtl.c: Remove all bytecode support.
3752 * expr.c, expr.h function.c, integrate.c: Likewise.
3753 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
3754 * tree.h, varasm.c: Likewise.
3755 * config/m68k/m68k.h: Likewise.
3756 * bi-*, bc-*, bytecode*: Delete bytecode related files.
3757 * modemap.def: Likewise.
3759 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
3761 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
3762 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
3764 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
3766 * i386.md (push): Prohibit symbolic constants if flag_pic.
3767 (movsi+1): Likewise for move to non-register.
3769 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
3771 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
3772 (print_operand): Handle 0xffffffff on 32 bit host.
3774 * configure.in (thread_file): Rename uses before main loop to
3775 target_thread_file. Initialize to empty in main loop. Set thread_file
3776 to target_thread_file after main loop if not set.
3777 * configure: Rebuild.
3779 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
3780 (add_values_to_cover): Revert last change (which had no ChangeLog
3782 (simplify_with_current_value_aux): Handle CONST_INT.
3784 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3786 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
3788 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
3790 * configure.in: Add cpp stringify test.
3791 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
3792 * gengenrtl.c: Use it.
3793 * configure, config.in: Rebuild.
3795 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3797 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
3799 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
3801 * configure.in: Find declaration for sbrk.
3802 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
3803 * config.in, configure: Rebuild.
3804 * mips-tfile.c: Properly protect declaration of sbrk and free.
3805 * toplev.c: Properly protect declaration of sbrk.
3807 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
3809 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
3811 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
3813 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
3815 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
3817 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
3819 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
3821 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
3822 constant offset computations from objects with known alignment in
3823 the presence of STACK_BIAS.
3825 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
3827 (const_hash): Hash val is unsigned long.
3828 (SYMHASH): Likewise.
3830 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
3832 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
3833 char pointer, not HOST_WIDE_INT.
3834 (print_node): Likewise. Also hash is unsigned long not
3837 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
3839 * explow.c (optimize_save_area_alloca): New function for targets
3840 where SETJMP_VIA_SAVE_AREA is true.
3841 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
3842 compute the amount of stack space needed should we find later that
3843 setjmp is never called by this function, stuff rtl for this inside
3844 a REG_NOTE of the final SET of stack_pointer_rtx.
3845 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
3846 current_function_calls_alloca, call optimize_save_area_alloca.
3848 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
3850 * i386.md: Remove redundant integer push patterns.
3851 Don't bother checking for TARGET_PUSH_MEMORY when
3852 pushing constants or registers.
3854 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
3855 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
3857 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
3858 (pwait): New function for mingw32.
3860 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
3861 pipe support is broken for now.
3863 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
3865 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
3866 between frame_pointer_rtx, hard_frame_pointer_rtx, and
3867 arg_pointer_rtx is respected in initialization.
3868 (init_emit_once): Use gen_rtx_raw_REG() to create
3869 return_address_pointer_rtx.
3871 * reorg.c: #include "expr.h" for rtx prototypes.
3872 * Makefile.in (reorg.o): Depend on expr.h
3874 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
3876 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
3877 local_prefix to sub-make invocations.
3879 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
3881 * objc-parse.c: Recognize protocol qualifiers in class definitions.
3883 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
3887 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
3888 * configure.in: Check for atol.
3889 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
3891 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
3893 * loop.c (find_and_verify_loops): When attempting to move insns from
3894 inside the loop outside the loop, create a BARRIER if no suitable
3897 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
3898 favor of an equivalent change from gcc-2.8.
3900 * i386/x-sco5 (CC): Remove trailing whitespace.
3902 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3904 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
3905 (accessor_from_format): Likewise.
3906 (xmalloc): New function for use when linking with alloca.o.
3908 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
3910 * frame.c (find_fde): Correct FDE's upper bound.
3912 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
3914 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
3916 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
3918 * calls.c (expand_call): Move #ifdef code out of macro argument
3920 (emit_library_call, emit_library_call_value): Likewise.
3922 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
3924 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
3926 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
3928 * version.c: Bump for snapshot.
3930 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
3932 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
3933 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
3934 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
3935 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
3936 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
3937 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
3938 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
3939 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
3940 * unroll.c, varasm.c: Likewise.
3941 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
3943 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
3945 * mips.h: Fix some type-o's from a previous change.
3947 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
3949 * loop.c (check_dbra_loop): Make sure initial value is a
3950 CONST_INT before trying to normalize it.
3952 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
3954 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
3956 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
3958 * cppexp.c: Include gansidecl.h
3960 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
3962 * svr4.h (LINK_SPEC): Never specify -h.
3963 * ptx4.h (LINK_SPEC): Likewise.
3964 * rs6000/sysv4.h (LINK_SPEC): Likewise.
3965 * sparc/sol2.h (LINK_SPEC): Likewise.
3967 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
3969 * c-typeck.c (comptypes): Exit early on NULL input.
3971 * haifa-sched.c (schedule_insns): Correctly remove inter-block
3972 dependencies after reload.
3974 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
3976 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
3978 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
3980 * alpha/vms.h (DIR_SEPARATOR): define
3982 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
3984 * Makefile.in (stamp-proto): Remove.
3985 (protoize.o, unprotoize.o): Straightforward compile.
3986 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
3988 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
3990 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
3991 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
3993 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
3995 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
3996 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
3997 * sparc/netbsd.h, vax/netbsd.h: Likewise.
3999 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
4001 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
4003 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
4005 * configure.in (target_cpu_default, target_cpu_default2): Use double
4006 quotes around them when testing their value.
4007 * configure: Rebuilt.
4009 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
4011 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
4013 (gendef): Call obstack_alloc_rtx.
4015 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
4017 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
4020 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
4022 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
4023 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
4024 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
4026 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
4028 * mips.md (return_internal): Change mode from SImode to VOIDmode.
4030 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
4032 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
4035 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
4037 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
4038 suffix from operand 3.
4040 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4041 Jeffrey A Law (law@cygnus.com)
4043 * regmove.c: New implementation of regmove pass.
4044 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
4045 decls, make them have external linkage. Return a value from
4046 optimize_reg_copy_1.
4047 * reload.h (count_occurrences): Add decl.
4048 * reload1.c (count_occurrences): Delete decl, make it have external
4050 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
4052 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
4054 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
4055 if it is not defined.
4057 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
4059 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
4060 * emit-rtl.c (gen_rtx): Move special code to ...
4061 (gen_rtx_CONST_INT): New function.
4062 (gen_rtx_REG): New function.
4063 (*): Update all calls to gen_rtx.
4064 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
4065 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
4066 (GEN_INT): Call gen_rtx_CONST_INT.
4067 * gengenrtl.c: New file.
4069 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
4071 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
4072 (base_alias_check): If no base found for address call canon_rtx and
4075 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
4077 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
4078 arguments for mips16.
4079 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
4080 Don't lose if tsize is zero after handling large stack for mips16.
4081 * mips.md (return): For trivial return, return address is in $31.
4083 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
4085 * mips/mips16.S: Various changes to make it work with -msingle-float
4088 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
4089 Ian Lance Taylor <ian@cygnus.com>
4090 Jeff Law <law@cygnus.com>
4092 * mips.c, mips.h, mips.md: First cut at merging in mips16
4093 support. Major modifications throughout all three files.
4095 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
4097 * configure.in: Make gthr-default.h a forwarding header instead of
4100 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4102 * gcov-io.h: Include sys/types.h to ensure we get size_t.
4104 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
4106 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
4107 Jeffrey A Law (law@cygnus.com)
4109 * crtstuff.c (__frame_dummy): New function for irix6.
4110 (__do_global_ctors): Call __frame_dummy for irix6.
4111 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
4113 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
4115 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
4117 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
4119 * c-decl.c (init_decl_processing): Provide proper fallback symbol
4120 for __builtin_memset.
4121 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
4122 not INTEGER_CST. Assert arg 3 is a constant.
4124 * alpha.c (mode_width_operand): Accept 64-bit modes.
4125 (mode_mask_operand): Likewise.
4126 (print_operand): Likewise for 'M' and 'U' codes.
4127 (alpha_expand_unaligned_load): New function.
4128 (alpha_expand_unaligned_store): Likewise.
4129 (alpha_expand_unaligned_load_words): Likewise.
4130 (alpha_expand_unaligned_store_words): Likewise.
4131 (alpha_expand_block_move): Likewise.
4132 (alpha_expand_block_clear): Likewise.
4133 * alpha.h (MOVE_RATIO): New define.
4134 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
4135 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
4137 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
4138 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
4140 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
4142 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
4143 * configure: Update.
4145 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
4147 * emit-rtl.c (operand_subword): Correctly handle extracting a word
4148 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
4150 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
4153 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
4155 * configure.in: Set and subsitute host_exeext. Use it when creating
4156 the assembler and linker symlinks.
4157 * configure: Rebuild.
4158 * Makefile.in (exeext): Set to @host_exeext@.
4159 (build_exeext): New variable, set to @build_exeext@.
4160 (FLAGS_TO_PASS): Pass down build_exeext.
4161 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
4164 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
4166 * mn10200.md (addsi3, subsi3): Fix thinkos.
4168 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
4170 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
4171 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
4172 unix always, since we want to be able to thunk to functions in a
4173 shared library from an application.
4175 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
4177 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
4178 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
4180 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
4182 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
4183 offset's mode is not ptr_mode, convert it.
4185 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
4187 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
4188 compiling if it was already defined.
4190 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
4192 * flow.c (find_basic_blocks): Don't create a new basic block
4193 for calls in a LIBCALL block.
4195 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
4197 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
4199 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
4201 * cse.c (rtx_cost): Remove conflicting default case.
4203 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
4205 * configure.in: Move default enabling of Haifa out of for loop.
4206 * configure: Rebuild.
4208 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
4210 * version.c: Bump for snapshot.
4212 1997-12-25 Teemu Torma <tot@trema.com>
4214 * Makefile.in (GTHREAD_FLAGS): New var.
4215 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
4216 (distclean): Remove gthr-default.h.
4218 * configure.in: Accept dce as a thread package.
4219 Check for thread.h and pthread.h.
4220 Link gthr-default.h to appropriate thread file and set
4222 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
4223 include multilib definitions from pa/t-dce-thr.
4224 (sparc-*-solaris2*): Enable threads by default, if thread.h or
4225 pthread.h is found, preferring posix threads over solaris ones.
4227 * config/pa/t-dce-thr: New file.
4228 * config/pa/t-pa: Removed multilibs.
4229 * config/sparc/t-sol2: Ditto.
4232 * gthr-single.h: New file.
4233 * gthr-posix.h: New file.
4234 * gthr-solaris.h: New file.
4235 * gthr-dce.h: New file.
4236 * libgcc-thr.h: Removed.
4237 * objc/thr-dce.c: New file copied from thr-decosf1.c.
4239 * frame.c: Include gthr.h instead of libgcc-thr.h.
4240 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
4241 (eh_context_initialize): If __gthread_once fails, use static eh
4243 (eh_context_free): Call __gthread_key_dtor.
4245 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
4247 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
4249 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
4251 * cse.c (max_insn_uid): New variable.
4252 (cse_around_loop): Use max_insn_uid.
4253 (cse_main): Set max_insn_uid.
4255 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
4256 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
4257 -mlong64, and -mgp{32,64} options.
4258 * mips.c (mips_abi): Change type to int.
4259 * mips.h (enum mips_abi_type): Delete.
4260 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
4261 (mips_abi): Change type to int.
4263 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
4265 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
4266 optimization is now always enabled.
4268 * calls.c (expand_call): Recognize C++ operator new as malloc-like
4271 * alias.c (memrefs_conflict_p): Eliminate tests now done by
4273 (*_dependence): Call canon_rtx before base_alias_check.
4274 (init_alias_once): New function to precompute set of registers which
4275 can hold Pmode function arguments.
4277 * rtl.h: Declare init_alias_once.
4279 * toplev.c (compile_file): Call init_alias_once.
4281 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
4283 * tree.c (restore_tree_status): Do not dereference a null pointer.
4285 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
4287 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
4288 RLIMIT_STACK. This maintains consistency with the recent, similar
4289 patch to cccp.c and toplev.c.
4291 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
4293 * genattrtab.c (expand_units): For large nr opclasses, expand
4294 function_units_used with ORX to prevent blowups. Tag with FFS.
4295 (num_unit_opclasses): New variable.
4296 (gen_unit): Update it.
4297 (enum operator): Add ORX_OP.
4298 (operate_exp): Treat ORX as or, except don't expand across an if.
4299 Reuse number rtx's after operating on them.
4300 (check_attr_value): Accept IOR, AND, & FFS.
4301 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
4302 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
4303 (write_expr_attr_cache, write_toplevel_expr): New functions.
4304 (write_attr_get): Handle FFS-tagged expressions.
4305 (make_canonical): Don't expand const attributes.
4306 (convert_const_symbol_ref): Dike out.
4307 (evaluate_eq_attr): Handle SYMBOL_REF.
4308 (main): Don't emit get_attr_foo for const attributes.
4310 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
4311 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
4312 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
4313 * alpha.md: Redo all of the scheduling, adding EV6 support, and
4314 combining function units where possible.
4315 (attr "type"): Split loads, stores, cmov into int/fp. Combine
4316 multiplies and divides. Add EV6 sqrt, ftoi, itof.
4317 (attr "opsize"): New attribute.
4318 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
4319 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
4320 to control register allocation.
4321 (movsi2-1, movdi2-1): Likewise.
4323 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
4325 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
4326 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
4327 Move OSF/1 specific defines out.
4328 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
4329 Move Linux specific defines out.
4330 (LINK_SPEC): Genericize.
4331 (ASM_FILE_START): Emit .arch if using more than the base insn set.
4332 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
4333 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
4334 (HANDLE_SYSV_PRAGMA): Define.
4335 * alpha/osf.h: New file.
4336 * alpha/linux.h: Split. Retain file-format independant defines.
4337 Import Linux bits from elf.h.
4338 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
4339 (FUNCTION_PROFILER): _mcount takes its address in $28.
4340 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
4341 * alpha/linux-ecoff.h: New file.
4342 * alpha/linux-elf.h: New file.
4343 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
4344 * alpha/win-nt.h (TARGET_DEFAULT): Define.
4345 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
4346 Add new headers as appropriate.
4348 * configure.in (alpha*): Enable Haifa by default.
4349 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
4350 * configure: Rebuild.
4352 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
4354 * Makefile.in (clean): Remove the stages with their objects here ...
4355 (distclean): ... instead of here.
4357 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4359 * cse.c (rtx_cost): Add default case in enumeration switch.
4360 * fix-header.c (recognized_macro): Likewise.
4361 (recognized_extern): Likewise.
4362 (write_rbrac): Likewise.
4363 * objc/objc-act.c (encode_aggregate): Likewise.
4364 (gen_declarator): Likewise.
4365 (gen_declspecs): Likewise.
4367 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
4369 * haifa-sched.c (create_reg_dead_note): Detect and handle another
4370 case where we kill more regs after sched than were killed before
4372 * sched.c (create_reg_dead_note): Similarly.
4374 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
4376 * c-pragma.c: Include flags.h.
4378 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
4380 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
4381 about system headers.
4382 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
4383 and also to resolve symbols in prefix.c.
4385 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
4386 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
4387 when the definitions in auto-config.h is not visible.
4388 (HAVE_BZERO): Likewise.
4389 (HAVE_BCMP): Likewise.
4390 (HAVE_RINDEX): Likewise.
4391 (HAVE_INDEX): Likewise.
4393 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
4395 * pa.c (emit_move_sequence): Handle a function label source
4398 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
4400 * c-pragma.c (handle_pragma_token): Generate warning messages
4401 about unknown pragmas if warn_unknown_pragmas is set.
4403 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
4404 line option to set variable: warn_unknown_pragmas.
4406 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
4408 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
4410 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
4412 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
4414 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
4415 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
4416 generate more fine grained floating point emulation libraries.
4417 * config/fp-bit.c: Add protecting #ifdef to all functions so
4418 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
4419 then compile all suitable functions.
4420 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
4421 underscores to avoid namespace pollution.
4422 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
4424 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
4428 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4429 Jeff Law <law@cygnus.com>
4431 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
4433 * c-decl.c (finish_decl): Use parentheses around && within ||.
4434 * rtl.c: Include stdlib.h.
4435 (read_skip_spaces): Add parentheses around assignments used as
4437 (read_rtx): Initialize list_rtx.
4438 * cppexp.c (parse_number): Use || when operands are truth values.
4439 * alias.c (find_base_value): Add default case.
4440 (memrefs_conflict): Likewise.
4441 * combine.c (sets_function_arg_p): Likewise.
4442 * genemit.c (gen_exp): Likewise.
4443 * local-alloc.c (contains_replace_regs): Likewise.
4444 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
4445 * fold-const.c (fold_convert): Use "&&" for truth values.
4446 (fold): Add default case.
4447 * sdbout.c (sdbout_field_types): Fix typo in declaration.
4448 (sdbout_one_type): Add default case.
4449 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
4450 (some_operand): Add default case.
4451 (input_operand): Likewise.
4452 (signed_comparison_operator): Likewise.
4453 (divmod_operator): Likewise.
4454 (alpha_set_memflags_1): Likewise.
4455 * reload1.c (reload_cse_simplify_operands): Ensure function
4456 always returns a value.
4457 * scan-decls.c (scan_decls): Likewise.
4458 * c-lex.c (skip_white_space): Fix typo in declaraion.
4459 * c-typeck.c (comp_target_types): Add parentheses around assignment
4460 used as truth value.
4461 (print_spelling): Likewise.
4462 (constructor_implicit, constructor_result): Remove unused variables.
4463 * collect2.c (scan_library): Protect prototype with
4464 #ifdef SCAN_LIBRARIES.
4465 * emit-rtl.c (find_line_note): Fix typo in declaration.
4466 * final.c (asm_insn_count): Protect prototype with
4467 #ifdef HAVE_ATTR_length.
4468 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
4469 (try_pre_increment_1, try_pre_increment): Likewise.
4470 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
4471 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
4472 * gcov-io.h (__store_long, __write_long, __read_long): Fix
4473 unsigned/signed comparisons.
4474 * gcov.c (read_files): Remove unused "first_type" variable.
4475 (scan _for_source_files): Initialize s_ptr.
4476 (function_summary): Eliminate "%lf" formatting, use %ld for
4478 (output_data): Initialize branch_probs and last_line_num.
4479 Eliminate "%lf" formatting, use "%ld" for longs.
4481 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
4483 * mips16.S: New file.
4485 * libgcc2.c (varargs): Handle mips16.
4487 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
4489 * stmt.c (expand_end_case): Likewise.
4490 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
4491 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
4492 * rs6000.h, sh.h, tahoe.h, v850.h, vax.h: Likewise.
4494 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4496 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
4497 the build directory.
4498 (libobjc.a): Update dependency list.
4499 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
4501 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
4502 (objc.mostlyclean): Remove runtime-info.h.
4504 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
4506 * tree.c (build_range_type): Allow creation of ranges with no maximum.
4507 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
4508 * dwarf2out.c (add_subscript_info): Likewise.
4509 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
4510 * sdbout.c (plain_type_1): Likewise.
4511 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
4513 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
4516 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4518 * mips.c (fatal): Remove declaration.
4520 1997-12-18 Mark Mitchell <mmitchell@usa.net>
4522 * integrate.c (get_label_from_map): New function.
4523 (expand_inline_function): Use it. Initialize the label_map to
4524 NULL_RTX instead of gen_label_rtx.
4525 (copy_rtx_and_substitute): Use get_label_from_map.
4526 * integrate.h (get_label_from_map): New function.
4527 (set_label_from_map): New macro.
4528 * unroll.c (unroll_loop): Use them.
4529 (copy_loop_body): Ditto.
4531 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
4533 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
4534 (INIT_TARGET_OPTABS): Define.
4535 * mips/ecoff.h: Include gofast.h before mips.h.
4536 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
4537 * mips/elf64.h: Likewise.
4538 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
4540 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
4542 * except.c: Remove register_exception_table{,_p}.
4544 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
4546 * unroll.c (calculate_giv_inc): Handle constant increment found in
4547 a MEM with an appropriate REG_EQUAL note.
4549 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
4551 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
4552 frame pointer in the prologue.
4554 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
4556 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
4557 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
4559 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
4561 * config/m68k/m68k.c (output_function_prologue): Typecast
4562 dwarf2out_cfi_label to (char *).
4563 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
4565 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
4567 * sparc.md (jump): Don't use the annul bit around an empty loop.
4568 Patch from Kevin.Kelly@East.Sun.COM.
4570 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
4572 * jump.c: (jump_optimize): Don't use the return register as a
4573 source1 of a conditional move.
4575 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
4577 * sparc.c (DF_MODES): Or the mask not the bit number.
4578 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
4580 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
4582 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
4584 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
4586 * fixincludes (size_t): Add support for Motorola's stdlib.h
4587 which fails to provide a definition for size_t.
4588 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
4589 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
4590 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
4592 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
4593 prevent unresolved externals in libio.
4594 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
4596 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
4598 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
4599 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
4600 (LIB_SPEC): Updated for glibc 2.
4602 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
4604 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
4605 * ginclude/varargs.h: Likewise.
4607 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
4609 * version.c: Bump for snapshot.
4611 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
4613 * frame.h (__register_frame, __register_frame_table,
4614 __deregister_frame): New.
4615 * frame.c (__register_frame, __register_frame_table,
4616 __deregister_frame): New.
4617 * frame.c (__deregister_frame_info): Return void *.
4618 * frame.h (__deregister_frame_info): Ditto.
4619 * collect2.c (__deregister_frame_info): Ditto.
4621 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
4623 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
4625 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
4627 * alpha.c (alpha_cpu_name): New variable.
4628 (alpha_mlat_string): Likewise.
4629 (alpha_memory_latency): Likewise.
4630 (override_options): Handle -mmemory-latency.
4631 (alpha_adjust_cost): Adjust load cost for latency.
4632 * alpha.h (TARGET_OPTIONS): Add meory-latency.
4633 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
4634 TARGET_CIX into account.
4635 (MEMORY_MOVE_COST): Define in terms of memory_latency.
4636 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
4638 * alpha.h (ASM_COMMENT_START): New macro.
4640 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
4642 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
4643 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
4645 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
4646 SUBREG_REG if the word count is unchanged.
4647 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
4648 subregs of identical word size for push_reload.
4650 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
4652 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
4653 if all we're doing is dealing with -Wreturn-type.
4655 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
4657 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
4658 Use and 255 instead of zapnot 1, since it schedules better.
4660 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
4662 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
4665 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
4667 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
4668 dependency we delete. Properly update prev for multiple consecutive
4670 (priority): Skip deleted dependence.
4672 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
4674 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
4676 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
4678 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
4679 determining when a new basic block starts.
4681 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
4683 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
4684 * pa.md (iorsi3): Add missing args to *_operand calls.
4686 * except.c (call_get_eh_context): Don't mess with sequences.
4687 (emit_eh_context): Include the call in the sequence here.
4689 1997-12-11 Paul Eggert <eggert@twinsun.com>
4691 * collect2.c (write_c_file_glob): Allocate initial frame object
4692 in static storage and pass its address.
4694 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
4696 * except.c (call_get_eh_context): Don't take a parm.
4697 Put the call at the top of the function.
4698 (emit_eh_context): Adjust.
4699 (get_eh_context): Replace with former use_eh_context.
4700 (get_eh_context_once, get_saved_pc_ref): Remove.
4701 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
4703 * integrate.c (expand_inline_function): Adjust.
4704 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
4706 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
4708 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
4709 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
4711 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
4713 * fixincludes (strlen,strspn,strcspn return value): Handle different
4715 (hypot): Provide a fake for hypot which is broken on
4716 m88k-motorola-sysv3.
4718 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
4720 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
4721 tree_code_name from pointers to arrays.
4722 * tree.c: Remove standard_tree_code_* variables, no longer used.
4723 * print-tree.c: Remove declaration of tree_code_name.
4725 * cp/lex.c (init_lex): Update for tree_code_* changes.
4726 * objc/objc-act.c (init_objc): Likewise.
4728 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
4731 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
4733 * config.sub: Add support for BeOS target.
4734 * configure.in: Likewise.
4735 * ginclude/stdarg.h: Likewise.
4736 * ginclude/stddef.h: Likewise.
4737 * ginclude/varargs.h: Likewise.
4738 * rs6000/beos.h: New file for BeOS.
4739 * rs6000/t-beos: Likewise.
4740 * rs6000/x-beos: Likewise.
4741 * rs6000/xm-beos.h: Likewise.
4742 * toplev.c (get_run_time): Just return 0 on BeOS.
4744 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
4745 Toon Moene (toon@moene.indiv.nluug.nl)
4747 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
4748 old and broken Sun3 assemblers. Newer versions handle large
4749 offsets correctly as does the GNU assembler.
4751 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4753 * objc/objc-act.c (lang_report_error_function): Disable.
4754 * objc/objc-parse.y: Include "output.h".
4755 (yyerror): Remove redundant decl.
4756 (yyprint): Fix prototype.
4757 (apply_args_register_offset): Remove redundant decl.
4758 (get_file_function_name): Likewise.
4760 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
4762 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
4764 (find_basic_blocks_1): Likewise.
4766 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
4768 * except.c (use_eh_context): Don't copy_rtx a REG.
4769 (emit_throw): Lose old unwinder support.
4770 (expand_internal_throw): Likewise.
4771 * libgcc2.c (struct eh_context): Likewise.
4772 (new_eh_context): Likewise.
4773 (__get_eh_info): Lose redundant cast.
4774 (__get_dynamic_handler_chain): Likewise.
4775 (__get_saved_pc): Lose.
4776 Lose all old unwinder support code.
4778 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
4780 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
4782 * integrate.c (expand_inline_function): If the inline fn uses eh
4783 context, make sure that the current fn has one.
4784 * toplev.c (rest_of_compilation): Call emit_eh_context.
4785 * except.c (use_eh_context): New fn.
4786 (get_eh_context_once): New fn.
4787 (call_get_eh_context): New fn.
4788 (emit_eh_context): New fn.
4789 (get_eh_context): Call either get_eh_context_once or
4790 call_get_eh_context, depending on what we have.
4791 (get_dynamic_handler_chain): Call get_eh_context_once.
4792 * except.h: Prototypes for fns above.
4793 * optabs.c (get_eh_context_libfunc): Removed.
4794 (init_optabs): Don't initialize it.
4795 * expr.h (get_eh_context_libfunc): Removed.
4796 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
4797 * config/pa/pa.h (CPP_SPEC): Support for -threads.
4798 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
4799 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
4800 New multilib for -threads.
4801 * config/sparc/t-sol2: Added multilibs for -threads and
4802 made -pthreads alias to it.
4803 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
4804 Added -threads and -pthreads options.
4805 * libgcc-thr.h: New file.
4806 * libgcc2.c: (__get_cpp_eh_context): Removed.
4807 (struct cpp_eh_context): Removed.
4808 (struct eh_context): Replaced cpp_eh_context with generic language
4810 (__get_eh_info): New function.
4811 (__throw): Check eh_context::info.
4813 * libgcc2.c: Include libgcc-thr.h.
4814 (new_eh_context, __get_eh_context,
4815 eh_pthread_initialize, eh_context_initialize, eh_context_static,
4816 eh_context_specific, eh_context_free): New functions.
4817 (get_eh_context, eh_context_key): New variables.
4818 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
4819 get_eh_context to get the context.
4820 (longjmp): Move the declaration inside
4821 #ifdef DONT_USE_BUILTIN_SETJMP.
4822 * frame.c: Include libgcc-thr.h.
4823 (object_mutex): Mutex to protect the object list.
4824 (find_fde, __register_frame, __register_frame_table,
4825 __deregister_frame): Hold the lock while accessing objects.
4826 * except.h (get_eh_context): Declare.
4827 * except.c (current_function_ehc): Define.
4828 (current_function_dhc, current_function_dcc): Removed.
4829 (get_eh_context): New function.
4830 (get_dynamic_handler_chain): Use get_eh_context.
4831 (get_saved_pc_ref): Ditto.
4832 (get_dynamic_cleanup_chain): Removed references to
4833 current_function_dcc.
4834 (save_eh_status, restore_eh_status): Save and restore
4835 current_function_ehc instead.
4836 * optabs.c (get_eh_context_libfunc): New variable.
4837 (init_optabs): Initialize it.
4838 * expr.h: Declare get_eh_context_libfunc.
4839 * function.h (struct function): Replaced dhc and dcc with ehc.
4840 * except.c (get_saved_pc_ref): New functions.
4841 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
4842 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
4844 (end_eh_unwinder): Likewise.
4845 (init_eh): Remove initialization of eh_saved_pc.
4846 * optabs.c (get_saved_pc_libfunc): New variable.
4847 (init_optabs): Initialize it.
4848 * expr.h: Declare get_saved_pc_libfunc.
4849 * except.h (eh_saved_pc_rtx): Deleted.
4850 (get_saved_pc_ref): Declared.
4852 From Scott Snyder <snyder@d0sgif.fnal.gov>:
4853 * libgcc2.c (__get_saved_pc): New.
4854 (__eh_type, __eh_pc): Deleted.
4855 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
4856 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
4859 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
4861 * sparc/sol2.h: Use 64 bit multiply and divide functions in
4862 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
4865 * rtl.h (global_rtl): New variable, replacing separate variables for
4867 (const_int_rtx): Now array of rtx_def, not rtx.
4868 * emit-rtl.c: Update for new rtl data structures.
4869 * genattrtab.c: Define global_rtl.
4871 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
4873 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
4876 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
4878 * crtstuff.c (__do_global_ctors): Fix typo.
4880 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
4882 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
4883 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
4885 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
4887 * rs6000.h (FUNCTION_ARG_PADDING): Define.
4888 * rs6000.c (function_arg_padding): New function.
4890 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
4892 * m68k.c: Include tree.h only once.
4894 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4896 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
4898 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
4900 * Partially cleaned up prototyping code from HJ.
4901 * tree.h: Add many prototypes.
4902 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
4903 All references changed.
4904 * rtl.h: Protect from multiple inclusions. Add many prototypes.
4906 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
4908 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
4909 string functions like strlen.
4911 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
4913 * configure.in: Check for functions getrlimit and setrlimit.
4914 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
4915 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
4917 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
4919 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
4921 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
4923 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
4926 * alpha.c (override_options): Don't know about scheduling for EV6.
4927 * alpha.md (ev5 function units): Don't overload as ev6.
4929 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
4930 * alpha.md (define_attr type): Add mvi.
4931 (ev5_e0): Define sceduling parameters for it.
4932 (TARGET_MAX insns): Type is mvi not shift.
4934 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
4936 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
4938 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4940 * cstamp-h, auto-config.h: Delete.
4942 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
4944 * version.c: Bump for snapshot.
4946 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
4948 * cccp.c: Fix typo brought over in merge.
4950 * Merge in changes from gcc-2.8.
4952 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
4954 * m68k.c: Include tree.h for dwarf2out_cfi_label.
4956 * gcc.c (process_command): Do not take address of function fatal when
4957 calling lang_specific_driver.
4959 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
4961 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
4962 doesn't work with it yet, so set it to 0.
4963 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
4965 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
4967 * cse.c (cse_insn): Check for invalid entries when taking references.
4969 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4971 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
4972 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
4973 * toplev.c (rest_of_compilation): Pass it. Remove code to
4974 save / clear / restore flag_unroll_{,all_}loops.
4976 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
4978 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
4980 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
4982 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
4984 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
4986 * except.c (get_dynamic_handler_chain): Only make the call once per
4989 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
4991 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4993 * sh.c (final_prescan_insn): Use local label prefix
4994 when emitting .uses pseudo-ops.
4996 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
4998 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
4999 * except.c: Lose outer_context_label_stack.
5000 (expand_eh_region_end): Rethrow from outer_context here.
5001 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
5002 (expand_internal_throw): Take no args.
5003 (expand_internal_throw_indirect): Lose.
5004 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
5005 (expand_start_all_catch): Start a rethrow region.
5006 (expand_end_all_catch): End it.
5007 (expand_rethrow): New fn.
5008 * except.h: Reflect above changes.
5009 * flow.c: Revert change of Nov 27.
5011 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
5013 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
5015 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
5017 * except.c (expand_fixup_region_end): New fn.
5018 (expand_fixup_region_start): Likewise.
5019 (expand_eh_region_start_tree): Store cleanup into finalization here.
5020 * stmt.c (expand_cleanups): Use them to protect fixups.
5022 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
5024 * mips/mips.md (muldi3_r4000): Broaden the output template
5025 and attribute assignments to handle three operand dmult;
5026 rename to muldi3_internal2.
5027 (muldi3): Call the new muldi3_internal2 for R4000, and
5028 any GENERATE_MULT3 chip.
5030 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
5032 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
5034 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
5036 * unroll.c (find_splittable_givs): Remove last change. Handle givs
5037 with a dest_reg that was created by loop.
5039 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
5041 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
5043 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
5045 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
5047 * configure.in: Fix NCR entries.
5049 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
5051 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
5052 nested exceptions correctly.
5054 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
5055 that was created by loop.
5057 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
5059 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
5061 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
5063 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
5065 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
5066 (print_operand): Use SMALL_DATA_REG for the register involved in
5067 small data relocations.
5068 (print_operand_address): Ditto.
5070 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
5071 -dynamic linker is not used.
5073 * rs6000.md (call insns): For local calls, use @local suffix under
5074 System V. Don't use @plt under Solaris.
5076 * rs6000.c (output_function_profiler): Put label address in r0, and
5077 store LR in 4(sp) for System V/eabi.
5079 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
5080 byte boundary, and maintain stack backchain.
5082 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
5084 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
5085 fix_truncsfdi2): Change *.
5087 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
5089 * toplev.c (main): Complain about -gdwarfn.
5091 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
5093 * dwarfout.c (output_type): If finalizing, write out nested types
5094 of types we've already written.
5096 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
5098 (patches originally from Geoffrey Keating)
5099 * rs6000.c (function_arg): Excess floating point arguments don't
5100 go into GPR registers after exhausting FP registers under the
5102 (function_arg_partial_nregs): Ditto.
5104 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
5107 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
5109 * integrate.c (output_inline_function): Just unset DECL_INLINE.
5111 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
5113 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
5116 * libgcc2.c (__throw): Initialize HANDLER.
5118 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
5120 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
5121 fix_truncsfdi2): Change *X to ?*X.
5123 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
5125 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
5127 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
5129 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
5131 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
5133 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
5135 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
5137 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
5138 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
5141 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
5143 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
5144 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
5145 gas and not using the new HP assembler.
5147 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
5149 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
5150 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
5152 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
5154 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
5155 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
5158 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
5160 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
5162 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
5164 * except.h: Add outer_context_label_stack.
5165 * except.c: Likewise.
5166 (expand_start_all_catch): Push the outer_context for the try block
5167 onto outer_context_label_stack.
5168 (expand_end_all_catch): Use it and pop it.
5170 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
5172 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
5174 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
5176 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
5178 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
5180 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
5181 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
5183 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
5185 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
5186 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
5187 __builtin_delete, and __builtin_vec_delete.
5189 * except.c (output_exception_table): Don't bother with
5192 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
5194 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
5195 is an in/out operand.
5196 (zero extended variants of stwm/stwm patterns): Similarly.
5198 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
5200 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
5202 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
5204 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
5205 (output_call_frame_info): Emit a \n after using it.
5207 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
5209 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
5211 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
5213 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
5214 (ASM_OUTPUT_DWARF_VALUE4): New macro.
5215 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
5217 (output_call_frame_info): Do not output forward label differences
5218 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
5219 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
5221 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5223 * sh.md (attribute "type"): Add nil.
5224 (movsi_ie): y/y alternative is type nil.
5225 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
5227 (movsf_ie+1): Delete.
5229 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
5231 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
5232 large_int, emit two insns instead of one splitable insn.
5233 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
5234 from cfa_temp_value, use cfa_offset. Add assert checking that
5237 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
5239 * cccp.c (deps_output): Properly quote file names for make.
5241 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
5243 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
5245 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
5247 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
5249 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
5251 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
5253 (cse_end_of_basic_block): Similarly.
5255 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
5257 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
5258 (SELECT_RTX_SECTION): Define.
5259 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
5261 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
5263 * Makefile.in (compare, compare-lean): Define $stage for each
5265 (gnucompare, gnucompare-lean): Likewise.
5267 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
5269 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
5271 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
5272 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
5274 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
5276 * dwarfout.c (byte_size_attribute): Add local var upper_bound
5277 and add case to handle STRING_TYPE.
5278 * dwarfout.c (output_string_type_die): Fix code to generate
5279 correct string length attribute for fixed length strings.
5280 Still needs support for varying length strings.
5282 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
5284 * toplev.c (get_run_time): Do something sensible for cygwin32.
5286 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
5288 * expr.c (expand_builtin_setjmp): Set
5289 current_function_has_nonlocal_label.
5290 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
5291 call-saved registers across calls.
5293 * alpha.md (exception_receiver): Remove.
5294 (nonlocal_goto_receiver_osf): New
5295 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
5296 (nonlocal_goto_receiver): New, select _osf or _vms.
5298 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
5299 keep them from being propogated to the object file.
5300 (alpha_write_linkage): Likewise.
5301 * alpha.md (call_vms): Likewise.
5302 (call_value_vms): Likewise.
5303 (unnamed osf call insns): Likewise.
5305 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
5306 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
5308 * alpha.c (call_operand): Any reg is valid for WinNT.
5309 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
5310 (anon nt calls): Add 'R' alternative.
5311 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
5312 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
5314 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
5316 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
5318 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
5319 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
5320 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
5322 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
5324 * reload1.c (new_spill_reg): Improve fixed or forbidden register
5325 spill error message.
5327 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5329 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
5330 use varargs.h. Wrap header with <>, not "".
5332 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
5334 * integrate.c (save_for_inline_copying): Add return value from
5337 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
5339 * fixincludes: Be a little more restrictive on what we will
5340 substitute to replace definitions of MAXINT for HPUX.
5342 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
5344 * dbxout.c (dbxout_symbol_location): Don't assume that variables
5345 whose address is the stack or argument pointers are indirect
5348 1997-11-13 Paul Eggert <eggert@twinsun.com>
5350 * cccp.c, cpplib.c (compare_defs):
5351 Don't complain about arg name respellings unless pedantic.
5352 * cpplib.c (compare_defs): Accept pfile as new arg.
5353 All callers changed.
5355 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5357 * fold-const.c (fold_truthop): Fix bug in last change.
5359 1997-11-13 Paul Eggert <eggert@twinsun.com>
5361 Fix some confusion with IEEE minus zero.
5363 * real.h (REAL_VALUES_IDENTICAL): New macro.
5365 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
5366 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
5368 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
5369 same tree structure as 0.0.
5371 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
5372 macro instead of doing it by hand.
5374 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
5376 * v850/lib1funcs.asm: Minor whitespace changes.
5377 * v850.c: Fix minor formatting problems in many places.
5378 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
5380 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
5382 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
5383 xplus1 when xplus0 is not a register.
5385 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
5387 * flow.c (find_basic_blocks): During marking phase, if we encounter
5388 an insn with a REG_LABEL note, make the target block live and
5389 create an edge from the insn to the target block. Do not make
5390 edges from all blocks to the target block.
5392 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
5394 * confiugre.in: Tweak NCR entries.
5395 * configure: Rebuilt.
5397 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
5399 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
5400 pick apart floating point values, instead of using CONST_DOUBLE_LOW
5401 and CONST_DOUBLE_HIGH.
5403 * rs6000.md (define_splits for DF constants): Use the appropriate
5404 REAL_VALUE_* interface to pick apart DF floating point constants in
5405 a machine independent fashion.
5407 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5409 * fold-const.c (fold_truthop): When changing a one-bit comparison
5410 against zero into a comparison against mask, do a proper sign
5413 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
5415 * except.c: Do not include "assert.h".
5416 (save_eh_status): Turn asserts into conditional aborts.
5417 (restore_eh_status, scan_region): Likewise.
5418 * dwarfout.c: Do not include "assert.h".
5419 (bit_offset_attribute): Turn asserts into conditional aborts.
5420 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
5421 (output_inlined_structure_type_die): Likewise.
5422 (output_inlined_union_type_die): Likewise
5423 (output_tagged_type_instantiation): Likewise.
5424 (dwarfout_file_scope_decl): Likewise.
5425 * dwarf2out.c: Do not include "assert.h"
5426 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
5427 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
5428 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
5429 (add_bit_size_attribute, scope_die_for): Likewise.
5430 (output_pending_types_for_scope): Likewise.
5431 (get_inlined_enumeration_type_die): Likewise.
5432 (get_inlined_structure_type_die): Likewise.
5433 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
5434 (gen_tagged_type_instantiation_die): Likewise.
5436 * flow.c (find_basic_blocks): Refine further to get a more correct
5437 cfg, especially in the presense of exception handling, computed
5438 gotos, and other non-trivial cases. Call abort if an inaccuracy
5439 is detected in the cfg.
5441 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5443 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
5445 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
5446 (skip_white_space): Use whitespace_cr.
5447 (check_newline): Handle whitespace more consistently.
5449 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
5451 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
5452 * i386/xm-cygwin32.h (POSIX): Define.
5454 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
5456 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
5457 is available elsewhere.
5459 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
5461 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
5462 what the instruction can handle.
5464 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
5466 * stmt.c (expand_decl_cleanup_no_eh): New fn.
5468 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
5470 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
5472 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
5473 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
5475 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
5477 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
5478 swap instruction order.
5480 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
5482 * fixinc.svr4 (__STDC__): Add another case.
5484 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5486 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
5487 addresses in the epilogue delay slot.
5489 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
5491 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
5492 in generated `specs' file.
5494 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
5496 * flags.h (flag_rerun_loop_opt): Declare.
5497 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
5498 * toplev.c (flag_rerum_loop_opt): Delete static.
5500 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5502 Bring over from FSF:
5504 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5506 * va-sh.h (__va_arg_sh1): Define.
5508 SH3E doesn't use any integer registers for subsequent arguments
5509 once a non-float value was passed in the stack.
5510 * sh.c (machine_dependent_reorg): If optimizing, put explicit
5511 alignment in front label for ADDR_DIFF_VEC.
5512 * sh.h (PASS_IN_REG_P): Fix SH3E case.
5513 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
5515 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5517 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
5520 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5522 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
5523 put an use_sfunc_addr before each sfunc.
5524 * sh.md (use_sfunc_addr, dummy_jump): New insns.
5525 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
5527 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5529 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
5531 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
5533 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
5536 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
5538 * alias.c (find_base_value): Only return the known base value for
5541 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
5543 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
5544 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
5546 (prologue_get_pc_and_set_got): New pattern.
5548 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
5550 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
5551 for SUBREG, just fall through.
5553 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
5555 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
5557 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
5559 * fixincludes: Fix "hypot" prototype in NeXT math.h.
5561 * Makefile.in (USE_ALLOCA): Always include alloca.o.
5562 (USE_HOST_ALLOCA): Likewise.
5564 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
5565 and LABEL_REFS fields.
5566 * rtl.h (LABEL_REFS): Update.
5568 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
5570 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
5571 sets i2dest. When calling distribute_notes for i3dest_killed, pass
5572 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
5575 * mips.md (insv, extzv, extv): Add change_address call.
5576 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
5578 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
5580 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
5582 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
5583 save_restore_insns if no FP and GP will be restored.
5585 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
5586 Convert CCmode to word_mode before calling GET_MODE_SIZE.
5588 * acconfig.h (HAVE_INTTYPES_H): Undef.
5589 * configure.in (inttypes.h): Check for conflicts between sys/types.h
5590 and inttypes.h, and verify that intmax_t is defined.
5591 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
5592 * config/mips/x-iris3: Likewise.
5594 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
5596 * alias.c (find_base_value): When copying arguments, return the
5597 tenative value for a hard register.
5599 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
5601 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
5602 (yylex): Record wide strings using target endianness, not host.
5604 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
5606 * mn10200.h (ASM_OUTPUT_BSS): Delete.
5607 (ASM_OUTPUT_ALIGNED_BSS): New macro
5608 * mn10300.h (ASM_OUTPUT_BSS): Delete.
5609 (ASM_OUTPUT_ALIGNED_BSS): New macro.
5610 * v850.h (ASM_OUTPUT_BSS): Delete.
5611 (ASM_OUTPUT_ALIGNED_BSS): New macro.
5613 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5615 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
5617 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
5619 * configure.in (sco5): Use cpio to install header files.
5621 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
5623 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
5625 * configure: Rebuild.
5627 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
5629 * i386/sco5.h: enable -gstabs once again.
5631 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
5633 * arm.c (output_move_double): Allocate 3 entries in otherops array.
5635 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
5637 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
5638 notes for sjlj exceptions too.
5639 (expand_eh_region_end): Similarly for EH_REGION_END notes.
5640 (exception_optimize): Optimize EH regions for sjlj exceptions too.
5641 * final.c (final_scan_insn): Don't output labels for EH REGION
5642 notes if doing sjlj exceptions.
5644 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
5646 * alias.c (init_alias_analysis): Handle -fno-alias-check when
5647 optimizing correctly.
5649 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
5650 or set current_function_calls_setjmp anymore.
5652 * flow.c (find_basic_blocks): If we delete the label for an
5653 exception handler, remove it from the EH label list and remove
5654 the EH_BEGIN/EH_END notes for that EH region.
5656 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
5658 * flow.c (find_basic_blocks): Generate correct flow control
5659 information when exception handling notes are present.
5661 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
5663 * dwarf2out.c (output_call_frame_info): Fix length argument
5664 to ASM_OUTPUT_ASCII.
5665 (output_die, output_pubnames, output_line_info): Likewise.
5667 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
5669 * version.c: Bump for snapshot.
5671 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
5672 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
5673 flag_debug_asm is on.
5674 (output_die, output_pubnames, output_line_info): Likewise.
5676 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
5677 and static_chain_rtx into the potential base values array if
5680 * alias.c (new_reg_base_value): New array of potential base values.
5681 (unique_id): Now file scoped static.
5682 (find_base_value, case REG): Return the value in reg_base_value
5683 array for the REG if it exists. Else, return the value from
5684 new_reg_base_value if copying args and REG is a hard register.
5685 (find_base_value, case PLUS): If either operand of the PLUS is
5686 a REG, try to get its base value. Handle base + index and
5688 (record_set): Use new_reg_base_value instead of reg_base_value.
5689 (init_alias_analysis): Allocate space for new_reg_base_value too.
5690 Rework code to iterate over the insns propagating base value
5691 information until nothing changes.
5693 * global.c (global_alloc): Free the conflict matrix after
5694 reload has finished.
5696 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
5698 * libgcc2.c (L_eh): Define __eh_pc.
5699 Replace __eh_type with generic pointer __eh_info.
5701 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
5703 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
5704 use copy_to_reg if address is not a general_operand.
5706 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5708 * profile.c (output_func_start_profiler): Clear flag_inline_functions
5709 for the duration of the call to rest_of_compilation.
5711 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
5713 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
5715 (sparc*-*-*): Recognize --with-cpu=v9.
5716 * sparc/elf.h: New file.
5717 * sparc/t-elf: New file.
5719 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
5721 * mn10300.c (const_8bit_operand): New function.
5722 (mask_ok_for_mem_btst): New funtion.
5723 * mn10300.md (btst patterns with mem operands): Use new functions
5724 to avoid creating btst instructions with invalid operands.
5726 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
5728 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
5729 are running on PowerPC Linux.
5731 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
5733 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
5734 if not previously defined.
5736 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
5738 * function.c (assign_parms): Correct mode of stack_parm if
5739 entry_parm underwent a mode conversion.
5741 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
5743 * global.c (global_alloc): Use xmalloc instead of alloca for
5744 CONFLICTS, since max_allocno * allocno_row_words alone can be more
5745 than 2.5Mb sometimes.
5747 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
5749 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
5750 DEST for the spill, adjust mode of SRC to compensate.
5752 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
5754 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
5755 since any_memory_operand() allows pseudos during reload.
5756 (reload_inhi, reload_outqi, reload_outhi): Likewise.
5758 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
5760 * m68k.md (btst patterns): Add 5200 support.
5762 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
5764 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
5765 optimizations, look inside dividend to determine if the expression
5766 can be simplified by using EXACT_DIV_EXPR.
5768 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
5771 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
5773 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
5775 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
5777 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
5779 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
5782 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
5784 * alpha.md (movqi, movhi): Make sure new insns created during reload
5785 won't need reloading themselves.
5786 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
5788 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
5790 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
5792 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
5794 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
5795 Patch from Klaus Kaempf <kkaempf@progis.de>.
5797 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
5799 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
5800 to an element in a constant string.
5802 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
5804 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
5805 bit PC-relative offset. The exception range table pointer is now in
5807 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
5808 (count_fdes, add_fdes, get_cie): Adjust.
5809 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
5812 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
5814 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
5816 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
5817 like stack_pointer_rtx.
5819 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
5821 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
5822 targets using "$@" to provide support for similar but not identical
5823 targets without having to duplicate code.
5824 (bootstrap4): New goal.
5826 * Makefile.in (compare, compare-lean, compare3): Combined to one
5827 ruleset determining actions to be performed via $@.
5828 (compare4, compare4-lean): New targets.
5829 (gnucompare, gnucompare3): Combined to one ruleset determining
5830 actions to be performed via $@. Also, note which files failed
5831 the comparison test in .bad_compare.
5832 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
5834 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
5836 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
5837 if the dividend is a multiple of the divisor.
5839 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
5841 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
5843 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
5846 * alias.c (true_dependence): Fix typo.
5848 * toplev.c (flag_rerun_loop_opt): New variable.
5849 (f_options): Handle -frerun-loop-opt.
5850 (rest_of_compilation): If -frerun-loop-opt, then run the loop
5852 (main): Enable -frerun-loop-opt by default for -O2 or greater.
5854 * loop.c (simplify_giv_expr): Adding two invariants results
5857 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
5859 * expr.c (get_inner_reference): Remove the array bias after
5860 converting the index to Pmode.
5862 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
5864 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
5865 (TARGET_MULT_BUG): Define.
5866 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
5867 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
5869 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
5871 * mn10200.c (indirect_memory_operand): Delete unused function.
5872 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
5873 * mn10200.md (bset, bclr insns): Handle output in a reg too.
5875 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
5877 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
5878 the callee's ldgp, we must do it ourselves, and we use the jsr tag
5879 for more than scheduling.
5881 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
5883 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
5885 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
5887 * mn10300.c (symbolic_operand, legitimize_address): New functions.
5888 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
5889 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
5891 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
5893 * version.c: Bump for snapshot.
5895 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5897 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
5900 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
5902 * toplev.c (flag_exceptions): Default value is 2.
5903 (compile_file): If flag_exceptions still has the value 2, then
5906 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
5907 (rs6000_save_machine_status): Save pic_offset_table_rtx.
5908 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
5910 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
5913 * rs6000.md (*movsi_got_internal_mem): New pattern.
5914 (*movsi_got_internal_mem splitter): New define_split.
5916 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
5918 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
5920 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
5922 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
5923 only need to save LR.
5925 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
5927 * mn10300.md (movqi, movhi): Avoid using address registers as
5928 destinations unless absolutely necessary.
5930 * mn10200.c (expand_prologue): Fix typo.
5932 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
5934 * mn10200.md (neghi2): Provide an alternative which works if
5935 the input and output register are the same.
5937 * mn10300.c (print_operand): Handle 'S'.
5938 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
5939 shift amount in last alternative
5941 * mn10300.c (expand_epilogue): Rework to handle register restores
5942 in "ret" and "retf" instructions correctly.
5944 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
5946 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
5947 extzv for memory operands.
5949 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
5950 redundant conditional moves to single operand.
5952 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
5954 * v850.h: Move define of __v850__ from CPP_PREDEFINES
5957 * xm-v850.h: Use __v850 rather than __v850__ to
5960 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
5962 * mips/mips.c (compute_frame_size): Not a leaf function if
5965 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
5967 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
5969 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
5971 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
5972 (DEFAULT_ARCH32_P): New macro.
5973 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
5974 (enum cmodel): Declare.
5975 (sparc_cmodel_string,sparc_cmodel): Declare.
5976 (SPARC_DEFAULT_CMODEL): Provide default.
5977 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
5978 (TARGET_FULLANY): Deleted.
5979 (TARGET_CM_MEDMID): New macro.
5980 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
5981 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
5982 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
5983 (CPP_SPEC): Rewrite.
5984 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
5985 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
5986 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
5987 (ASM_SPEC): Add %(asm_arch).
5988 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
5989 Rename asm_default to asm_cpu_default.
5990 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
5991 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
5992 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
5993 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
5994 (MASK_INT64,MASK_LONG64): Delete.
5995 (MASK_ARCH64): Renamed to MASK_64BIT.
5996 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
5997 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
5998 (TARGET_SWITCHES): Always provide 64 bit options.
5999 (ARCH64_SWITCHES): Delete.
6000 (TARGET_OPTIONS): New option -mcmodel=.
6001 (INT_TYPE_SIZE): Always 32.
6002 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
6003 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
6004 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
6005 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
6006 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
6008 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
6009 * sparc/linux.h: Likewise.
6010 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
6011 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
6012 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
6013 (SPARC_DEFAULT_CMODEL): Define.
6014 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
6015 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
6016 (LONG_DOUBLE_TYPE_SIZE): Define.
6017 (ASM_SPEC): Add %(asm_arch).
6018 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
6019 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
6020 (TARGET_CPU_DEFAULT): Add ultrasparc case.
6021 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
6022 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
6023 (SPARC_DEFAULT_CMODEL): Define.
6024 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
6025 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
6026 MASK_LONG64, MASK_MEDANY.
6027 (SPARC_DEFAULT_CMODEL): Define.
6028 (CPP_PREDEFINES): Delete.
6029 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
6030 (ASM_SPEC): Add %(asm_arch).
6031 (LONG_DOUBLE_TYPE_SIZE): Define.
6032 (DWARF2_DEBUGGING_INFO): Define.
6033 * sparc/splet.h (CPP_SPEC): Delete.
6034 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
6035 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
6036 (BLOCK_PROFILER): Likewise.
6037 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
6038 (sparc_override_options): Handle code model selection.
6039 (sparc_init_expanders): Renamed from sparc64_init_expanders.
6040 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
6041 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
6042 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
6043 (sethi_di_fullany): Delete.
6045 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
6046 Jeff Law <law@cygnus.com>
6047 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6049 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
6050 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
6051 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
6052 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
6053 * alpha/alpha.md (arg_home): Likewise.
6055 * alpha/alpha.c (vmskrunch): Delete
6056 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
6057 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
6058 truncate to 64 characters.
6060 * make-l2.com: Support openVMS/Alpha.
6062 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
6064 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6066 * longlong.h (count_leading_zeros): Add missing casts to USItype.
6068 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
6070 * i386/bsd386.h (ASM_COMMENT_START): Define.
6072 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
6074 * tree.c (restore_tree_status): Also free up temporary storage
6075 when we finish a toplevel function.
6076 (dump_tree_statistics): Print stats for backend obstacks.
6078 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
6080 * expr.c (use_group_regs): Don't call use_reg for MEMs.
6082 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
6084 * libgcc2.c (__throw): Don't copy the return address.
6085 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
6087 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
6088 * toplev.c (main): Initialize exceptions_via_longjmp.
6090 * tree.c: Add extra_inline_obstacks.
6091 (save_tree_status): Use it.
6092 (restore_tree_status): If this is a toplevel inline obstack and we
6093 didn't want to save anything on it, recycle it.
6094 (print_inline_obstack_statistics): New fn.
6095 * function.c (pop_function_context_from): Pass context to
6096 restore_tree_status.
6097 * obstack.h (obstack_empty_p): New macro.
6099 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
6101 * i386/freebsd.h (ASM_COMMENT_START): Fix.
6103 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
6105 * v850.c (ep_memory_offset): New function.
6106 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
6108 * v850.h (CONST_OK_FOR_*): Add and correct comments.
6109 (CONSTANT_ADDRESS_P): Add comment.
6110 (EXTRA_CONSTRAINT): Define 'U'.
6111 * v850.md: Add comments on bit field instructions.
6112 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
6113 (lshrsi3): Use N not J constraint.
6115 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
6117 * v850.c (reg_or_0_operand): Call register_operand.
6118 (reg_or_int5_operand): Likewise.
6119 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
6120 (TARGET_SWITCHES): Add "big-switch".
6121 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
6122 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
6123 (CASE_DROPS_THROUGH): Comment out.
6124 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
6125 * v850.md (cmpsi): Delete compare mode.
6126 (casesi): New pattern.
6128 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
6129 * v850.md (ashlsi3): Use SImode not QImode for shift count.
6130 (lshrsi3): Likewise.
6132 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
6133 unreachable switch statement after 'b' support. Remove "b" from
6134 strings for 'b' support.
6135 * v850.md (branch_normal, branch_invert): Change %b to b%b.
6137 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
6139 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
6140 empty line if @inhibit_libc@ is empty.
6142 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
6144 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
6145 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
6146 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
6147 (DWARF2_UNWIND_INFO): Let this track object file format.
6148 (EXTRA_SECTIONS): Add in_eh.
6149 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
6150 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
6152 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
6154 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
6155 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
6157 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
6158 (output_double_int): Output DI mode values correctly when
6159 HOST_BITS_PER_WIDE_INT is 64.
6160 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
6161 fmovd so it works if a quad float ends up in one of the upper 32
6163 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
6164 necessary for PIC support on sparc64.
6166 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
6168 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
6169 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
6170 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
6171 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
6172 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
6173 (SPARC_FP_ARG_FIRST): New macro.
6174 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
6175 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
6176 (NPARM_REGS): There are 32 fp argument registers now.
6177 (FUNCTION_ARG_REGNO_P): Likewise.
6178 (FIRST_PARM_OFFSET): Update to new v9 abi.
6179 (REG_PARM_STACK_SPACE): Define for arch64.
6180 (enum sparc_arg_class): Delete.
6181 (sparc_arg_count,sparc_n_named_args): Delete.
6182 (struct sparc_args): Redefine and use for arch32 as well as arch64.
6183 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
6184 (FUNCTION_ARG_ADVANCE): Rewrite.
6185 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
6186 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
6187 (FUNCTION_ARG_CALLEE_COPIES): Delete.
6188 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
6189 (STRICT_ARGUMENT_NAMING): Define.
6190 (doublemove_string): Declare.
6191 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
6192 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
6193 (doublemove_string): New function.
6194 (output_move_quad): Clean up some of the arch64 support.
6195 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
6196 Don't add 8 bytes of reserved space if arch64.
6197 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
6198 (init_cumulative_args): New function.
6199 (function_arg_slotno): New static function.
6200 (function_arg,function_arg_partial_nregs): New functions.
6201 (function_arg_{pass_by_reference,advance}): New functions.
6202 (function_arg_padding): New function.
6203 * ginclude/va-sparc.h: Rewrite v9 support.
6205 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
6207 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
6208 for hard regs to determine base and index registers.
6210 * reload.c (debug_reload_to_stream): New function. Specify stream
6211 into which to write debug info.
6212 (debug_reload): Modify to call debug_reload_to_stream with stderr.
6214 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
6216 * combine.c (can_combine_p): Don't combine with an asm whose
6217 output is a hard register.
6219 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
6221 * c-decl.c (start_struct): Ensure that structs with forward
6222 declarations are in fact packed when -fpack-struct is given.
6224 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
6225 we are packing a structure. This allows a structure with only
6226 bytes to be aligned on a byte boundary and have no padding on a
6229 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6231 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
6233 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
6235 * alpha.c (alpha_return_addr_rtx): New variable.
6236 (alpha_save_machine_status): New; save it.
6237 (alpha_restore_machine_status): New; restore it.
6238 (alpha_init_expanders): New; clear it.
6239 (alpha_return_addr): New; set it.
6240 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
6241 is overly conservative, so search the insns explicitly.
6242 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
6243 (alpha_sa_size [VMS && !VMS]): Likewise.
6244 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
6245 (INIT_EXPANDERS): New definition.
6247 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
6248 (output_prolog [!VMS]): Use them.
6250 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
6251 (alpha_does_function_need_gp): ... a new function. Refine the
6252 CALL_INSN test to just TYPE_JSR.
6253 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
6255 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
6257 * version.c: Bump for snapshot.
6259 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6261 * pa.c (move_operand): Respect -mdisable-indexing.
6262 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
6264 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
6266 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
6268 (umulsidi3,umulsi3_highpart): Ditto.
6269 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
6271 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
6273 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
6274 (alpha_handle_trap_shadows): ... a new function. Handle the entire
6275 function in one go. Emit RTL for trapb, instead of printf directly.
6276 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
6277 (trap_pending): Kill global variable.
6278 (output_epilog): Don't call final_prescan_insn.
6279 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
6280 * alpha.h (FINAL_PRESCAN_INSN): Remove.
6281 (MACHINE_DEPENENT_REORG): Define.
6282 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
6285 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
6287 Tune Haifa scheduler for Alpha:
6288 * alpha.h (ISSUE_RATE): Define.
6289 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
6290 EV4 adjustments to EV5.
6291 * alpha.md: Remove all scaling from function unit delays. Rework
6292 EV5 function units to match the CPU.
6293 (umuldi3_highpart): EV5 added the IMULH insn class.
6295 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
6297 * pa.c (following_call): Fail if the CALL_INSN is an indirect
6300 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
6302 * cplus-dem.c (demangle_signature): Don't look for return types on
6303 constructors. Handle member template constructors.
6305 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
6307 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
6308 * tree.h: Declare them.
6310 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
6312 * configure.in: Handle --with-newlib.
6313 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
6315 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
6317 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
6319 * config/ptx4.h: Fix typo.
6321 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
6323 * version.c: Bump for snapshot.
6325 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
6327 * aclocal.m4: Substitute INSTALL.
6328 * configure: Re-built.
6330 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
6332 * integrate.c (save_for_inline_copying): Avoid undefined pointer
6334 (expand_inline_function): Likewise.
6336 * dwarf2out.c (output_call_frame_info): Reinstate last change
6337 using flag_debug_asm check instead of flag_verbose_asm.
6339 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
6341 * dwarf2out.c (output_call_frame_info): Remove last change.
6343 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6345 * frame.c (__frame_state_for): Execute the FDE insns until the
6346 current pc value is strictly bigger than the target pc value.
6348 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
6350 * regclass.c (init_reg_modes): If we can't find a mode for the
6351 register, use the previous one.
6353 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
6355 * haifa-sched.c (print_block_visualization): Call fprintf directly,
6356 don't sprintf through an alloca'ed buffer.
6358 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
6360 * reload.c (decompose): Always initialize val.base.
6362 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
6364 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
6365 instead of aborting.
6366 * dwarf2out.c (output_call_frame_info): Call app_enable and
6367 app_disable to let GNU as accept the generated comments.
6369 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
6371 * tree.h (get_file_function_name): Add declaration.
6372 * dwarf2out.c (output_call_frame_info): No need to cast
6373 get_file_function_name call anymore.
6374 * profile.c (toplevel): Remove get_file_function_name
6376 * c-lang.c (finish_file): Ditto.
6378 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
6380 * Makefile.in (program_transform_name): Let autoconf substitute
6383 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
6385 * haifa-sched.c (schedule_block): If the first real insn in a
6386 block has any special notes attached to it, remove them.
6388 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
6390 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
6392 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
6394 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
6396 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
6398 * Makefile.in (check-g77): New test target.
6399 (CHECK-TARGETS): Add check-g77.
6401 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
6403 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
6405 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
6407 * flow.c (print_rtl_with_bb): Cast alloca return value for
6410 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
6412 * i386.h (RETURN_ADDR_RTX): New definition that works for
6413 __builtin_return_address(0) and -fomit-frame-pointer.
6415 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
6417 Bring over from FSF.
6418 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
6420 * mips.c (function_arg): Handle passing a struct
6421 containing a double in a DFmode register without the PARALLEL.
6423 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
6425 * pexecute.c: Use spawn if __CYGWIN32__.
6427 * pexecute.c: Include "config.h" first, as per autoconf manual
6428 (from Paul Eggert <eggert@twinsun.com>).
6430 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
6432 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
6433 optimisation for f/expr.o and f/stb.o.
6435 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
6437 * cse.c (this_insn_cc0_mode): Initialize.
6439 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
6441 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
6443 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
6445 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
6447 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
6448 that pair will dual-issue on the 21164 and plus+beq won't.
6449 (bne): Likewise for cmpeq+beq.
6451 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
6453 * except.c (find_exception_handler_labels): Correct argument to free.
6455 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
6457 * except.c (find_exception_handler_labels): Free LABELS when we're
6460 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
6462 * version.c: Bump for snapshot.
6464 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
6466 * flow.c (find_basic_blocks): Mark calls as potentially jumping
6469 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
6471 * configure.in: Substitute for "install" too.
6472 * configure: Rebuilt.
6474 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
6476 * Makefile.in (bootstrap-lean, compare-lean): New targets.
6478 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
6480 * alias.c (base_alias_check): Two symbols can conflict if they
6481 are accessed via AND.
6482 (memrefs_conflict_p): Likewise.
6484 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
6485 after flushing argument registers to the stack.
6487 * Makefile.in (mostlyclean): Remove .regmove files.
6489 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
6491 * libgcc2.c (__throw): Fix thinko.
6493 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
6495 * cplus-dem.c (demangle_template): Add new parameter. Handle new
6496 template-function mangling.
6497 (consume_count_with_underscores): New function.
6498 (demangle_signature): Handle new name-mangling scheme.
6500 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
6502 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
6505 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
6507 * frame.c: Remove last change.
6508 * dwarf2.h: Remove last change.
6509 * tree.h: Add declarations of DWARF2 unwind info support
6512 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
6514 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
6515 * tree.h (built_in_function): Likewise.
6516 * expr.c (expand_builtin): Likewise.
6517 * except.h: Likewise.
6518 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
6519 * libgcc2.c (copy_reg): New fn.
6522 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
6524 * c-typeck.c (build_binary_op): Warn about comparing signed vs
6525 unsigned if -W is specified and -Wno-sign-compare is not.
6526 * c-decl.c (warn_sign_compare): Initialize to -1.
6527 (c_decode_option): -Wall no longer implies -Wsign-compare.
6529 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6531 * frame.c: Include gansidecl.h for PROTO.
6532 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
6533 defined. Don't declare dwarf2out_cfi_label here.
6534 * dwarf2.h: Add declarations of DWARF2 unwind info support
6536 * m68k.c: Include dwarf2.h.
6537 (output_function_prologue): Add dwarf2 support.
6538 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
6539 (INCOMING_FRAME_SP_OFFSET): Likewise.
6541 * integrate.c (expand_inline_function): Make sure there is at
6542 least one insn that can be used as an insertion point.
6544 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
6546 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
6548 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
6550 * version.c: Bump for snapshot.
6552 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
6554 Bring over from FSF.
6556 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
6558 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
6559 (get_pc_via_rdpc): Renamed from get_pc_sp64.
6560 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
6562 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
6564 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
6565 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
6567 (sparc_align_{loops,jumps,funcs}_string): Declare.
6568 (sparc_align_{loops,jumps,funcs}): Declare.
6569 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
6570 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
6571 (STACK_BIAS): Define.
6572 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
6574 (SPARC_SETHI_P): New macro.
6575 (CONST_OK_FOR_LETTER_P): Use it.
6576 (ASM_OUTPUT_ALIGN_CODE): Define.
6577 (ASM_OUTPUT_LOOP_ALIGN): Define.
6578 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
6579 (sparc_align_{loops,jumps,funcs}): New globals.
6580 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
6582 (move_operand): Use SPARC_SETHI_P.
6583 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
6585 (arith11_double_operand): Likewise.
6586 (arith10_double_operand): Likewise.
6587 (finalize_pic): Finish sparc64 support.
6588 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
6589 64 bit constants if able.
6590 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
6591 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
6593 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
6594 (get_pc_sp32): Use for sparc64 as well.
6595 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
6596 (sethi_di_sp64_const): Likewise.
6597 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
6598 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
6599 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
6601 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
6603 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
6604 * sparc/linux.h (COMMENT_BEGIN): Likewise.
6605 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
6607 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
6609 Add sparc64 linux support.
6610 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
6611 to xm_file list on 32-bit sparc-linux.
6612 * sparc/xm-sp64.h: New file.
6613 * sparc/linux64.h: New file.
6614 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
6615 Don't include xm-sparc.h.
6616 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
6617 * glimits.h (LONG_MAX): Handle sparc64.
6619 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
6621 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
6622 * sparc.h (ASM_COMMENT_START): Define.
6623 * sparc.c (output_function_prologue): Use it.
6624 (sparc_flat_output_function_{epi,pro}logue): Likewise.
6626 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
6628 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
6629 use sparc.h's copies.
6630 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
6633 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6635 * sparc.c (dwarf2out_cfi_label): Add declaration.
6636 (save_regs, output_function_prologue): Remove cast for it.
6637 (sparc_flat_{save_restore,output_function_prologue): Likewise.
6638 ({save,restore}_regs): No longer inline.
6640 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6642 * fold-const.c (make_range): Correctly handle cases of converting
6643 from unsigned to signed type.
6645 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6647 * fold-const.c (merge_ranges): Make sure that if one range is subset
6648 of another, it will always be the second range. Correct (+,-) case to
6651 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
6653 * final.c (final_end_function): Also do dwarf2 thing if
6654 DWARF2_DEBUGGING_INFO.
6655 (final_start_function): Likewise.
6657 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
6659 * expmed.c (expand_divmod): If compute_mode is not the same as
6660 mode, handle the case where convert_modes() causes op1 to no
6661 longer be a CONST_INT.
6663 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
6664 note holding get_jump_flags() calculation to all JUMP_INSNs.
6665 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
6666 * rtl.c (reg_note_name): Add new note types.
6668 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
6670 * rtlanal.c (computed_jump_p): Fix typo in last change.
6672 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6674 * loop.c (indirect_jump_in_function_p): Return 0
6677 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
6679 * rs6000/xm-rs6000.h: Fix thinko in last change.
6680 * rs6000/xm-sysv4.h: Likewise.
6682 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
6684 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
6686 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
6688 * reg-stack.c (find_blocks): Fix thinko in last change.
6690 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6692 * m68k.c (output_function_prologue): Add dwarf2 support.
6694 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
6695 INCOMING_FRAME_SP_OFFSET): New definitions.
6697 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
6699 * combine.c (try_combine): Use NULL_RTX instead of '0' where
6700 appropriate in calls to gen_rtx().
6701 * cse.c (cse_main): Likewise.
6702 * emit-rtl.c (gen_label_rtx): Likewise.
6703 * expr.c (init_expr_once): Likewise.
6704 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
6705 sched_analyze, init_rgn_data_dependences,
6706 compute_block_backward_dependences): Likewise.
6707 * sched.c (schedule_insns): Likewise.
6708 * varasm.c (immed_double_const): Likewise.
6710 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
6711 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
6713 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
6715 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
6716 (MULTILIB_DEFAULTS): Define.
6717 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
6718 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
6719 (LIBGCC_SPEC): Likewise.
6720 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
6721 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
6722 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
6723 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
6724 (EXTRA_PARTS, TAROUTOPTS): Delete.
6725 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
6726 (MULTILIB_OPTIONS): Define.
6727 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
6728 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
6730 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
6732 * version.c: Bump for snapshot.
6734 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
6736 * loop.c (loop_number): Delete function. Change all references
6737 to use uid_loop_num array.
6738 * loop.h (loop_number): Delete declaration.
6739 * unroll.c (unroll_loop): Change "loop_number" references to
6740 use uid_loop_num instead.
6742 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
6744 (loop_unroll_iter): Remove unused variable and all references.
6745 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
6746 (insert_bct): Fix minor formatting problems.
6747 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
6748 (loop_unroll_iter): Removed unused decl.
6749 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
6750 Always record the unrolling factor.
6752 * cse.c (simplify_relational_operation): Set h0u just like h0s.
6753 Similarly for h1u and h1s.
6755 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
6756 (find_basic_blocks): Use computed_jump_p to determine if a
6757 particular JUMP_INSN is a computed jump.
6758 * reg-stack.c (find_blocks): Use computed_jump_p to determine
6759 if a particular JUMP_INSN is a computed jump.
6760 * rtlanal.c (jmp_uses_reg_or_mem): New function.
6761 (computed_jump_p): Likewise.
6762 * rtl.h (computed_jump_p): Declare.
6763 * genattrtab.c (pc_rtx): Define and initialize.
6764 * loop.c (loop_optimize): Always determine if the current
6765 function has a computed jump.
6766 (indirect_jump_in_function_p): Use computed_jump_p to determine
6767 if a particular JUMP_INSN is a computed jump.
6769 * loop.c (fix_bct_param): Delete unused function.
6770 (check_bct_param): Likewise.
6772 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
6774 * frame.c (__deregister_frame): Check properly for initialized object.
6776 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6778 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
6780 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6782 * jump.c (thread_jumps): check can_reverse_comparison_p before
6783 threading a reversed-condition jump.
6785 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
6786 * haifa-sched.c (update_flow_info): Likewise.
6788 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
6790 * Makefile.in (BOOT_CFLAGS): Use -O2.
6792 * configure.in (strtoul, bsearch): Have autoconf check for these
6794 * configure, config.in: Rebuilt.
6796 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
6797 * mips/mips.h (alloca): Likewise.
6798 * rs6000/xm-rs6000.h (alloca): Likewise.
6799 * rs6000/xm-sysv4.h: Likewise.
6801 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
6803 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
6804 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
6805 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
6807 * except.c (end_eh_unwinder): Subtract 1 from return address.
6808 * libgcc2.c (__throw): Likewise.
6809 (find_exception_handler): Don't change PC here. Compare end with >.
6811 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
6813 * v850.c (compute_register_save_size): Correct register
6815 * v850.md (save_interrupt, return_interrupt): Correct
6817 * v850/lib1funcs.asm (save_interrupt): Correct register number.
6818 (return_interrupt): Use stack pointer, not element pointer.
6820 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
6822 * configure.in, configure: Make sure to create the stage* and include
6823 symbolic links in each subdirectory.
6825 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
6827 * pa.md (reload_peepholes): Don't allow addresses with side
6828 effects for the memory operand.
6830 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
6832 * libgcc2.c (find_exception_handler): Subtract one from our PC when
6833 looking for a handler, to avoid hitting the beginning of the next
6836 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
6838 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
6840 * mips/abi64.h (LONG_MAX_SPEC): Define.
6841 * mips.h (LONG_MAX_SPEC): Define.
6842 (CPP_SPEC): Include long_max_spec.
6843 (EXTRA_SPECS): Include long_max_spec.
6845 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
6847 * v850.c (construct_save_jarl): Fix thinko in last change.
6849 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
6851 * version.c: Bump for snapshot.
6853 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
6855 * libgcc2.c (find_exception_handler): Not found is -1.
6857 * integrate.c (expand_inline_function): Move expand_start_bindings
6858 after expanding the arguments.
6860 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
6862 * expr.c (expand_expr): Remove previous incorrect change.
6863 If target and slot has no DECL_RTL, then call mark_addressable
6864 again for the slot after we give it RTL.
6866 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
6868 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
6869 again for the slot after we give it RTL.
6871 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
6873 * v850.c (register_is_ok_for_epilogue,
6874 pattern_is_ok_for_epilogue, construct_restore_jr,
6875 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
6877 * v850.h (pattern_is_ok_for_prologue,
6878 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
6881 * v850.md: Replace prologue and epilogue patterns with a
6882 match_parallel pattern.
6884 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
6886 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
6887 * configure.in: Use EGCS_PROG_INSTALL.
6889 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
6891 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
6892 extern inline function.
6894 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
6896 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
6897 (concat_loc_descriptor): New function.
6898 (loc_descriptor): Call it.
6899 (add_AT_location_description): Also elide the descriptor if both
6900 halves of a CONCAT are pseudos.
6901 (add_location_or_const_value_attribute): Recognize CONCAT too.
6903 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
6905 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
6907 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
6908 out-or-range reg_offset.
6909 (output_epilog): Likewise.
6911 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
6913 * cse.c (simplify_relational_operation): If MODE specifies a
6914 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
6915 is derived from the sign bit of the low word.
6917 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
6919 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
6921 * dwarf2.h: Add DW_CFA_GNU_args_size.
6922 * frame.c (execute_cfa_insn): Likewise.
6923 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
6924 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
6925 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
6926 insn, hand it off to dwarf2out_stack_adjust.
6927 (dwarf2out_begin_prologue): Initialize args_size.
6928 * frame.h (struct frame_state): Add args_size.
6929 * libgcc2.c (__throw): Use args_size.
6930 * final.c (final_scan_insn): If we push args, hand off all insns
6931 to dwarf2out_frame_debug.
6932 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
6934 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
6935 Handle epilogue restore of SP from FP.
6936 * emit-rtl.c (gen_sequence): Still generate a sequence if the
6937 lone insn has RTX_FRAME_RELATED_P set.
6939 * frame.c (extract_cie_info): Handle "e" augmentation.
6940 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
6941 absence of UNALIGNED_*_ASM_OP.
6942 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
6943 (output_call_frame_info): Use "e" instead of "z" for augmentation.
6944 Don't emit augmentation fields length.
6945 (dwarf2out_do_frame): Move outside of #ifdefs.
6946 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
6949 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
6950 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
6951 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
6952 * sparc/sun4gas.h: New file.
6953 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
6955 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
6956 __register_frame_table and __deregister_frame.
6958 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
6960 * except.c (find_exception_handler_labels): Use xmalloc instead of
6961 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
6964 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
6966 * Makefile.in: Various changes to build info files
6967 in the object tree rather than the source tree.
6969 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
6971 * fixinc.math: New file to fix math.h on some systems.
6972 * configure.in (freebsd, netbsd): Use fixinc.math on these
6974 * configure: Rebuilt.
6976 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
6978 * regmove.c (regmove_optimize): If we end up moving the
6979 original insn due to lifetime overlaps, make sure to move
6982 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
6984 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
6986 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
6988 * haifa-sched.c (add_branch_dependences): Make each insn in
6989 a SCHED_GROUP_P block explicitly depend on the previous insn.
6991 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
6993 * except.h: Prototype dwarf2 hooks.
6996 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
6998 * configure.in (native_prefix): Delete.
6999 (mips-dec-netbsd): Don't set prefix.
7000 (*linux*): Don't set prefix.
7002 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
7004 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
7005 defined. If not defined, include <sys/varargs.h> if
7006 HAVE_SYS_VARARGS_H is defined.
7007 * configure.in: Test for varargs.h and sys/varargs.h.
7008 * configure: Regenerate with autoconf.
7009 * config.in: Regenerate with autoheader.
7011 * cpplib.c (quote_string): Cast first arg of sprintf call
7012 from "unsigned char *" to "char *".
7013 (output_line_command): Ditto.
7014 (macroexpand): Ditto.
7015 (do_line): Cast atoi arg from "unsigned char *" to "char *".
7017 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
7019 * version.c: Bump for snapshot.
7021 * Makefile.in (compare): Exit with nonzero status if there
7022 are comparison failures. Note which files failed the
7023 comparison test in .bad_compare.
7025 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7027 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
7029 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
7031 * Makefile.in (LN, LN_S): New macros, use where appropriate.
7032 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
7033 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
7034 * configure: Regenerated.
7036 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
7038 * loop.c (strength_reduce): Fix typo.
7040 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
7042 * m88k/m88k.c (struct option): Rename to struct options.
7043 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
7044 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
7045 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
7046 __DOLPHIN__ or sysV88.
7048 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
7050 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
7053 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
7055 * config.sub: Accept 'amigados' for backward compatability.
7057 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7059 * Makefile.in (testsuite/site.exp): New target.
7060 (check-gcc, check-g++): Depend on testsuite/site.exp.
7061 Don't stop for failure.
7063 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
7065 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
7066 if DWARF2_UNWIND_INFO.
7068 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
7070 Add support for exception handling using DWARF 2 frame unwind info.
7071 Currently works on SPARC and MIPS, and almost on x86.
7073 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
7074 next_stack_level, in_reg_window): Helper fns.
7075 (__throw): Implement for DWARF2_UNWIND_INFO.
7077 * expr.c (expand_builtin): Handle builtins used by __throw.
7078 * tree.h (enum built_in_function): Add builtins used by __throw.
7079 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
7080 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
7081 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
7082 (expand_builtin_extract_return_addr): Likewise.
7083 (expand_builtin_frob_return_addr): Likewise.
7084 (expand_builtin_set_return_addr_reg): Likewise.
7085 (expand_builtin_eh_stub): Likewise.
7086 (expand_builtin_set_eh_regs): Likewise.
7087 (eh_regs): Choose two call-clobbered registers for passing back values.
7089 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
7090 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
7091 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
7092 (stmp-multilib): Likewise.
7093 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
7095 * except.c: #include "defaults.h".
7096 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
7097 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
7098 (register_exception_table_p): New fn.
7099 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
7100 (end_eh_unwinder): Likewise.
7102 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
7103 call __register_frame and __deregister_frame as needed.
7104 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
7105 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
7106 EH_FRAME_SECTION_ASM_OP.
7107 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
7108 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
7109 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
7111 * dwarf2out.c (output_call_frame_info): If no support for
7112 EXCEPTION_SECTION, mark the start of the frame info with a
7114 * collect2.c (frame_tables): New list.
7115 (is_ctor_dtor): Recognise frame entries.
7116 (scan_prog_file): Likewise.
7117 (main): Pass -fno-exceptions to sub-compile. Also do collection
7118 if there are any frame entries.
7119 (write_c_file_stat): Call __register_frame_table and
7120 __deregister_frame as needed.
7121 (write_c_file_glob): Likewise.
7123 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
7124 Also require unaligned reloc support.
7125 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
7126 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
7127 * sparc/sysv4.h: Not here.
7129 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
7130 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
7131 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
7133 * libgcc2.c (L_eh): Reorganize, moving code shared by different
7134 EH implementations to the top.
7135 (find_exception_handler): Split out. Start from 0. Compare against
7137 (__find_first_exception_table_match): Use it.
7138 * except.c (output_exception_table): Don't do anything if there's
7139 no table. Don't output a first entry of zeroes.
7140 (eh_outer_context): Adjust properly.
7141 (add_eh_table_entry): Use xrealloc.
7142 * toplev.c (compile_file): Just call output_exception_table.
7144 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
7146 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
7148 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
7150 * except.c (eh_outer_context): Do masking using expand_and.
7152 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
7154 Add port done awhile ago for the ARC cpu.
7155 * arc/arc.h: New file.
7156 * arc/arc.c: New file.
7157 * arc/arc.md: New file.
7158 * arc/initfini.c: New file.
7159 * arc/lib1funcs.asm: New file.
7160 * arc/t-arc: New file.
7161 * arc/xm-arc.h: New file.
7162 * ginclude/va-arc.h: New file.
7163 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
7164 * ginclude/varargs.h: Likewise.
7165 * Makefile.in (USER_H): Add va-arc.h.
7166 * configure.in (arc-*-elf*): Recognize.
7167 * longlong.h: Add ARC support.
7169 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
7171 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
7172 when clearing non-BLKmode data.
7174 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
7176 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
7177 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
7179 * xm-m88k.h (USG): Only define if it hasn't already been defined.
7181 * Makefile.in (risky-stage1): Delete gratutious whitespace.
7183 * Makefile.in (clean): Delete libgcc1-test.
7185 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
7187 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
7189 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
7192 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7194 * dwarf2out.c (output_call_frame_info): Call named_section.
7196 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
7198 * haifa-sched.c (print_value): Fix last change.
7200 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
7202 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
7205 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
7207 * mips.c (function_prologue): Set up the CFA when ABI_32.
7209 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
7210 for dwarf2 unwind info.
7211 (output_function_prologue, sparc_flat_output_function_prologue): Same.
7213 * final.c (final_end_function): Check dwarf2out_do_frame instead
7214 of DWARF2_DEBUG for dwarf2 unwind info.
7215 (final_scan_insn): Likewise.
7216 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
7219 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
7222 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
7224 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
7226 * v850.h (ASM_SPEC): Pass on target processor.
7227 (CPP_PREDEFINES): Only define if not already specified.
7228 (TARGET_VERSION): Only define if not already specified.
7229 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
7231 (EXTRA_SWITCHES): Extra entries in the switches array.
7232 (TARGET_DEFAULT): Set default target processor.
7234 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
7236 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
7237 cases, add %# and %/, and add : to make them into extended asms.
7239 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
7241 * alias.c (init_alias_analysis): Clean up incompatible pointer
7242 type warning in bzero.
7243 * regmove.c (regmove_optimize): Ditto.
7244 * haifa-sched.c (find_rgns): Ditto.
7246 * haifa-sched.c (print_value): Clean up ptr->int cast
7249 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
7251 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
7252 * install.texi (Configurations): Ditto.
7253 * config.sub: Ditto.
7255 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
7257 * Makefile.in (sdbout.o): Depend on insn-config.h.
7259 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
7261 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
7262 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
7264 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
7266 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
7267 prologue insn, only the first elt is significant.
7268 (output_call_frame_info): For exception handling, always use 4-byte
7269 fields as specified by the dwarf2 spec.
7270 Don't skip trivial FDEs.
7272 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
7274 * version.c: Bump for snapshot.
7276 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
7278 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
7279 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
7282 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
7284 * final.c (shorten_branches): During first pass, assume worst
7285 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
7287 * Makefile.in (distclean): Remove various things left around
7288 by running the testsuite.
7290 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
7292 * configure.in (out_file): Emit definition to config.status in order
7293 to have a defined value for configure.lang.
7294 * configure: Re-built.
7296 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
7298 * configure.in: Make symlink to as-new rather than as.new. Similarly
7300 * configure: Rebuilt.
7302 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
7304 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
7306 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
7308 * sparc/sparc.md: Add ultrasparc scheduling support.
7309 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
7311 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
7313 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
7314 as initial value for real_label_map.
7315 (copy_for_inline): Likewise.
7317 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7319 * sched.c (update_flow_info) When looking if to set found_split_dest
7320 or found_orig_dest, look at all parts of a PARALLEL.
7321 * haifa-sched.c (update_flow_info): Likewise.
7323 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
7325 * v850: New directory for v850 port.
7326 * v850/lib1funcs.asm: New file.
7327 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
7328 * ginclude/va-v850.h: New file.
7329 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
7330 * configure.in (mn10200-*-*): New target.
7331 * configure: Rebuilt.
7332 * config.sub: Handle v850-elf.
7333 * Makefile.in (USER_H): Add va-mn10200.h.
7334 * invoke.texi: Document v850 stuff.
7336 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
7338 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
7339 has integer TYPE_{MAX,MIN}_VALUE before using them.
7341 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
7342 __HPUX_ASM__ versions.
7344 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
7346 * install.sh: Delete duplicate install script.
7348 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
7350 * reg-stack.c (subst_stack_regs): Pop the stack register for a
7351 computed goto which sets the same stack register.
7353 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
7354 destination are both on the regstack.
7355 (subst_stack_regs_pat): Put the destination at the top of the regstack.
7357 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
7359 * mips.md (nonlocal_goto_receiver): Define.
7361 * profile.c (output_arc_profiler): Check next_insert_after for non
7362 NULL before deferencing it.
7364 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
7366 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
7368 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
7370 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
7372 * toplev.c (rest_of_compilation): For passes starting with
7373 flow_analysis, use print_rtl_with_bb instead of print_rtl.
7375 * print-rtl.c (print_rtl_single): Print a single rtl value to a
7378 * flow.c (print_rtl_with_bb): Print which insns start and end
7379 basic blocks. For the start of a basic block, also print the live
7382 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
7384 * toplev.c (main): Change #elif to #else/#ifdef
7386 * tlink.c: Include ctype.h.
7387 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
7389 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
7391 * bitmap.c: Conditionally include stdlib.h.
7392 (free): Provide a declaration if NEED_DECLARATION_FREE.
7394 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
7396 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
7398 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
7400 * profile.c (output_arc_profiler): Verify next_insert_after is an
7401 INSN before and after skipping a stack pop.
7403 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7405 * final.c (shorten_branches): Don't count the lengths of deleted
7408 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
7410 * version.c: Bump for snapshot.
7412 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
7414 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
7415 two bitmaps ANDed together.
7416 (bitmap_print): Declare.
7418 * bitmap.c (function_obstack): Don't declare any more.
7419 (bitmap_obstack): Obstack for allocating links from.
7420 (bitmap_obstack_init): New static to say whether to initialize
7422 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
7423 (bitmap_release_memory): Free all memory allocated from
7426 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
7427 EXECUTE_IF_AND_IN_BITMAP.
7429 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
7431 * alias.c (true_dependence): Address with AND can alias scalars.
7432 (anti_dependence, output_dependence): Likewise.
7434 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
7436 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
7438 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
7439 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
7440 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
7441 definitions. Use -qrtems instead of -mrtems.
7443 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
7445 * xm-sco5.h (sys_siglist): Define.
7446 (SYS_SIGLIST_DECLARED): Likewise.
7448 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
7450 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
7452 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
7454 * except.c (eh_outer_context): Expand masking operation using
7457 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
7459 * alpha.md (floatdisf2-1): New pattern.
7461 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
7463 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
7464 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
7465 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
7466 * gcc.texi: Note that if you define sys_siglist that you should
7467 also define SYS_SIGLIST_DECLARED.
7469 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
7470 are relative to the next instruction, not the current instruction.
7472 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
7474 * local-alloc.c (contains_replace_regs): New function.
7475 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
7476 verify that there is no existing REG_EQUIV note, and add a call to
7477 contains_place_regs.
7479 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7481 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
7482 (STARTFILE_SPEC): Always use crtbegin.o%s
7483 (ENDFILE_SPEC): Always use crtend.o%s.
7485 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
7487 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
7489 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
7490 SFmode for 64 bit hosts.
7492 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
7494 * fixincludes: Permits spaces between # and define. Discard C++
7495 comments in sys/pci.h on HP/UX 10.20.
7497 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
7499 * version.c: Bump for snapshot.
7501 * pa.c (restore_unscaled_index_insn_codes): New function.
7502 (record_unscaled_index_insn_codes): Likewise.
7503 (output_function_prologue): Call restore_unscaled_index_insn_codes.
7504 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
7505 (pa_reorg): Call record_unscaled_index_insn_codes.
7507 * haifa-sched.c (move_insn): Handle notes correctly for insns
7508 with SCHED_GROUP_P set.
7510 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7512 * alpha/xm-linux.h (USE_BFD): Undef before define.
7514 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
7516 * cse.c (cse_insn): Don't record BLKmode values.
7518 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
7520 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
7522 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
7524 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
7525 * collect2.c (sys_errlist): Likewise.
7526 * cpplib.c (sys_errlist): Likewise.
7527 * gcc.c (sys_errlist): Likewise.
7528 * protoize (sys_errlist): Likewise.
7529 * configure.in: Check for strerror.
7530 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
7531 * xm-gnu.h (HAVE_STRERROR): Likewise.
7532 * xm-linux.h (HAVE_STRERROR): Likewise.
7533 * xm-netbsd.h (HAVE_STRERROR): Likewise.
7534 * xm-bsd386.h (HAVE_STRERROR): Likewise.
7535 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
7536 * xm-dos.h (HAVE_STRERROR): Likewise.
7537 * xm-mingw32.h (HAVE_STRERROR): Likewise.
7538 * xm-pa.h (HAVE_STRERROR): Likewise.
7539 * xm-papro.h (HAVE_STRERROR): Likewise.
7540 * xm-sysv4.h (HAVE_STRERROR): Likewise.
7541 * configure, config.in: Rebuilt.
7543 * Makefile.in: Add several missing "else true" clauses.
7545 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
7546 * mips-tfile.c: Likewise.
7547 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
7548 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
7549 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
7550 * configure.in: Check for sys_siglist declaration.
7551 * configure, config.in: Rebuilt.
7553 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
7555 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
7556 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
7557 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
7558 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
7559 * rs6000/sysv4.h (extra_subtarget_switches): Added new
7560 macro EXTRA_SUBTARGET_SWITCHES.
7561 * configure.in (sh*-*-rtems*): New target.
7562 * sh/rtems.h: New file.
7563 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
7564 * configure: Rebuilt.
7566 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
7568 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
7570 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
7572 * rs6000.md: Make DF fused-add operations pay attention to
7575 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
7577 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
7579 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
7581 * pa.md (reload_peepholes): Make sure operand is a REG before
7582 examining REGNO. Allow general registers too.
7584 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
7586 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
7588 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
7590 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
7591 to reallocate abbrev_die_table.
7593 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
7595 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
7597 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7599 * Makefile.in (config.status): Depend on version.c
7601 * expr.h (insn_gen_function): Reenable prototype.
7603 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
7606 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
7608 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
7610 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
7612 * version.c: Bump for latest snapshot.
7614 * bc-optab.c: Conditionally include stdlib.h.
7615 (free): Provide a declaration if NEED_DECLARATION_FREE.
7616 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
7617 * rtl.h (free): Remove declaration.
7618 * tree.h (free): Remvoe declaration.
7620 * configure: Rebuilt.
7622 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
7624 * flags.h (flag_move_all_movables): Declare.
7625 (flag_reduce_all_givs): Likewise.
7626 * loop.c (move_movables): Handle flag_move_all_movables.
7627 (strength_reduce): Handle flag_reduce_all_givs.
7628 * toplev.c (flag_move_all_movables): Define.
7629 (flag_reduce_all_givs): Likewise.
7630 (f_options): Add -fmove-all-movables and -freduce-all-givs.
7631 * invoke.texi: Document new options, including alias stuff that
7632 wasn't included last time.
7634 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
7636 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
7639 * t-vxworks68: Ditto.
7640 * t-vxworks960: Ditto.
7643 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
7645 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
7646 if not already defined, and USE_C_ALLOCA not defined.
7648 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
7650 * config.guess: Replace with script that uses ../config.guess.
7652 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
7653 if USE_GNULIBC_1 is not defined.
7655 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
7657 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
7658 * config.guess: Recognize alpha-linux-gnulibc1.
7659 * configure.in (alpha-*-linux-gnulibc1): New target.
7660 (alpha-*-linux-gnu*): Don't build crtbegin/end.
7662 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
7664 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
7667 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
7669 * loop.c (combine_movables): Earlier insns don't match later ones.
7671 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7673 * config/linux.h (CC1_SPEC): Define it only if not defined.
7675 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
7678 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
7679 USE_GNULIBC_1 is not defined.
7681 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
7683 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
7684 as 1 if USE_GNULIBC_1 is not defined.
7686 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
7688 * reorg.c (dbr_schedule): Allow current_function_return_rtx
7689 to be something other than a REG.
7690 * function.c (expand_function_end): Fix current_function_return_rtx
7693 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
7694 * x-netbsd: Likewise
7695 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
7696 (INSTALL_HEADERS): Delete.
7697 * x-dguxbcs: Likewise.
7698 * x-hp3bsd44: Likewise
7701 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7703 * i386.md (pop): pop increments the stack pointer.
7704 (prologue_set_stack_ptr): New pattern.
7705 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
7708 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
7710 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
7711 address where an offsettable address is required.
7713 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
7715 * loop.c (check_final_value): Don't miss a biv increment in a
7718 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
7720 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
7721 TYPE_DECL_IS_STUB instead of DECL_NAME.
7723 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7725 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
7727 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
7729 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
7731 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
7733 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
7734 (find_post_sched_live): Likewise.
7736 * haifa-sched.c (schedule_block): Remove old code to get arguments
7737 from hard regs into pseudos early.
7739 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
7741 * version.c: Bump for new snapshot.
7743 * local-alloc.c (update_equiv_regs): All the target to reject
7744 promotion of some REG_EQUAL to REG_EQUIV notes.
7745 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
7747 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
7750 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
7751 store of the argument registers.
7753 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
7755 * fold-const.c (multiple_of_p): New function.
7756 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
7758 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
7760 * expr.h (insn_gen_function): Temporarily remove prototype.
7762 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
7764 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
7765 filenames. Use sed to extract base filename for install.
7767 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
7769 * unroll.c (find_splittable_givs): Only share if two givs have the
7770 same add and multiply values.
7772 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
7774 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
7775 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
7777 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
7779 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
7780 around branch tables.
7781 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
7782 and .end_brtab directives if TARGET_GAS.
7784 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
7786 * alias.c (true_dependence): Pass x_addr not x to varies.
7788 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
7789 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
7790 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
7792 * config.in, configure: Regenerate.
7794 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
7796 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
7798 (record_set): Handle LO_SUM like PLUS.
7799 (init_alias_analysis): When following chains of base addresses,
7800 do not stop on reaching a hard register.
7802 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
7804 * version.c: Bump for new snapshot.
7806 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
7808 * alpha.h (ARCH_ASM_FILE_START): Define.
7809 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
7810 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
7812 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
7814 * Makefile.in (install-common): Put gcov comment at start of line.
7816 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
7818 * alias.c (init_alias_analysis): When simplifying the reg_base_value
7819 array, simplify entries for hard registers too.
7821 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
7823 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
7826 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
7828 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
7829 block_stack before dereferencing it.
7831 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
7833 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
7835 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
7837 * cplus-dem.c: Add 'extern' to prepends_underscore.
7839 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
7841 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
7842 (get_issue_rate): Delete.
7843 * pa.h (ISSUE_RATE): Define.
7845 * configure.in: Turn on haifa by default for the PA.
7846 * configure: Rebuilt.
7847 * pa.c (override_options): Accept -mschedule=7200 option.
7848 (pa_adjust_cost): No longer need to scale costs for newer
7850 * pa.h (enum processor_type): Add PROCESSOR_7200.
7851 * pa.md: Revamp scheduling parameters to work better with
7852 haifa. Add scheduling parameters for the 7200.
7854 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
7856 (schedule_block): When adjusting basic_block_{head,end}, account
7857 for movement of SCHED_GROUP_P insns too.
7859 * haifa-sched.c (debug_dependencies): Fix thinko.
7861 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
7862 (site.exp, check, check-g++, check-gcc): New targets.
7864 * haifa-sched.c: Make lots of variables static.
7866 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7868 * expr.h, real.h: Finish prototyping.
7870 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
7872 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
7873 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
7874 * reload1.c: Undo bugfix from Aug 11.
7876 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
7878 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
7879 quotes around the name.
7880 * configure: Regenerate.
7882 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
7884 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
7886 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
7888 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
7889 to sub-makes to avoid building more passes than the user might have
7890 requested on the command line.
7892 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
7894 * configure.in: Expurgate `broken_install' (install is
7897 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
7900 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
7902 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
7903 functions and declarations.
7904 (analyze_loop_iterations): Use condjump_p.
7905 (insert_bct): Likewise. Use exact_log2.
7907 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
7909 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
7910 (schedule_region): Likewise.
7911 (schedule_insns): Likewise.
7913 * PROJECTS: Update with Haifa stuff.
7915 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
7917 * version.c: Change the version string to look like:
7918 egcs-2.90.00 970814 (gcc2-970802 experimental).
7920 * loop.c (is_conditional_branch): Make definition match declaration.
7922 * gcc.c: Take out experimental snapshot warning message.
7924 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
7926 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
7927 print out the names of the notes. Print out the name of the insn
7928 that is not a note, and not an {,CALL_,JUMP_}INSN.
7930 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
7932 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
7933 again for the slot after we give it RTL.
7935 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
7937 * configure.in (haifa configury): Fix typo.
7938 * configure: Regenerate.
7940 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
7942 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
7944 * gcc.info*: Rebuilt.
7946 * COPYING.g77, README.g77: New files.
7947 * real.c (ereal_unto_float, ereal_unto_double): New functions.
7948 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
7949 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
7951 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
7953 * Integrate Haifa instruction scheduler.
7954 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
7955 to sched with $(SCHED_CFLAGS.
7956 * configure.in: Handle --enable-haifa.
7957 * configure: Rebuilt.
7958 * flags.h: Add new flags for haifa instruction scheduler.
7959 * genattrtab.c (expand_units): For haifa, don't subtract one
7960 when computing blockage.
7961 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
7962 (flag_schedule_speculative): Ditto.
7963 (flag_schedule_speculative_load): Ditto.
7964 (flag_schedule_speculative_load_dangerous): Ditto.
7965 (flag_schedule_reverse_before_reload): Ditto.
7966 (flag_schedule_reverse_after_reload): Ditto.
7967 (flag_branch_on_count_reg): Ditto.
7968 (f_options): Add Haifa switches.
7969 (main): Turn off some Haifa options if appropriate macro is
7970 defined. Process Haifa switches.
7971 * unroll.c (iteration_info): No longer static, since Haifa
7973 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
7974 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
7975 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
7976 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
7977 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
7978 storage for the Haifa scheduler.
7979 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
7981 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
7982 are defined, call analyze_loop_iterations and insert_bct to use
7984 (record_giv): Refine test for jumps out of loops if HAIFA is
7986 (analyze_loop_iterations): New function to identify if we can use
7988 (insert_bct): Insert countdown loop.
7989 (instrument_loop_bct): Low level code to insert countdown loop.
7990 (loop_number): Calculate UID of loop.
7991 (indirect_jump_in_function_p): Return true if an indirect jump is
7993 (is_power_of_2): Return true if value is a power of 2.
7994 (is_conditional_branch): Return true if insn is a conditional
7996 (fix_bct_param): Process -fbct-{min,max}-N switches.
7997 (check_bct_param): Return true if loop should be instrumented.
7998 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
7999 (loop_optimize): Initialize.
8000 (get_condition_for_loop): Ditto.
8001 * loop.c (strength_reduce): Inside of code that uses #ifdef
8002 HAVE_decrement_and_branch_on_count code, test it to make sure the
8004 (instrument_loop_bct): Ditto.
8005 * haifa-sched.c: New file.
8008 * Integrate regmove pass.
8009 * Makefile.in (OBJS): Add regmove.o
8010 (regmove.o): Add dependencies.
8011 * flow.c (find_use_as_address): No longer static.
8012 * rtl.h (find_use_as_address): Declare.
8013 * toplev.c (regmove_dump, flag_regmove): Define.
8014 (f_options): Add -fregmove.
8015 (regmove_dump_file, regmove_time): Define.
8016 (fatal_insn): Close the regmove dump file.
8017 (compile_file): Initialize regmove_time; open/close the regmove dump
8018 file as needed. Print regmove time as needed.
8019 (rest_of_compilation): Run regmove pass if requested, dump
8020 RTL after regmove if requested.
8021 (main): If -O2 or more, turn on regmove. Handle dump switches.
8022 * regmove.c: New file.
8024 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
8026 * Integrate tlink patch from jason@cygnus.com
8027 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
8028 (process_command): Increment n_switches for them. Don't discard
8029 their args. Validate them.
8030 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
8032 (process_command): Set include_prefixes from COMPILER_PATH.
8033 (main): Set COLLECT_GCC_OPTIONS sooner.
8034 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
8035 * tlink.c, hash.c, hash.h: New files.
8036 * Makefile.in (USE_COLLECT2): Always use collect2.
8037 (collect2): Depend on and link in hash.o and tlink.o.
8038 (tlink.o, hash.o): Add dependencies.
8040 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
8042 * Integrate alias analysis changes from jfc@mit.edu
8043 * Makefile.in (OBJS): Add alias.o
8044 (alias.o): Add dependencies.
8045 * alias.c: New file.
8046 * sched.c: Remove alias analysis code. It lives in alias.c now.
8047 (sched_analyze_2): Add new arguments to true_dependence.
8048 (schedule_insns): Always call init_alias_analysis.
8049 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
8050 mark return value from such functions as a pointer and keep track of
8051 them for alias analysis. If a return value from a function is a
8052 pointer, mark it as such.
8053 * combine.c (distribute_notes): Handle REG_NOALIAS.
8054 * cse.c (struct write_data): Delete. No longer needed.
8055 (invalidate): Don't call set_nonvarying_address_components anymore.
8056 Use true_dependence to decide if an entry should be removed from
8058 (invalidate_memory): Remove WRITES argument, simplify appropriately.
8060 (note_mem_written): Similarly for WRITE_PTR argument.
8061 (invalidate_from_clobbers): Similarly for W argument.
8062 (invalidate_for_call): Remove memory elements from the hash table.
8063 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
8064 (cse_rtx_varies_p): New function. Derived from old
8065 cse_rtx_addr_varies_p.
8066 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
8067 Don't call note_mem_written anymore. Stack pushes invalidate the stack
8068 pointer if PUSH_ROUNDING is defined. No longer need to call
8069 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
8070 (skipped_writes_memory): Remove variable.
8071 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
8072 (invalidate_skipped_block): Simplify for new alias analysis code.
8073 (cse_set_around_loop): Likewise.
8074 (cse_main): Call init_alias_analysis.
8075 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
8076 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
8077 (f_options): Add new alias checking arguments.
8078 (main): Set flag_alias_check when optimizing.
8079 * local_alloc (validate_equiv_mem_from_store): Add new arguments
8081 (memref_referenced_p): Likewise.
8082 * loop.c (NUM_STORES): Increase to 30.
8083 (prescan_loop): Only non-constant calls set unknown_address_altered.
8084 (invariant_p): Add new arguments to true_dependence.
8085 (record_giv): Initialize unrolled and shared fields.
8086 (emit_iv_add_mult): Call record_base_value as needed.
8087 * loop.h (struct induction): Add unrolled and shared fields.
8088 * unroll.c (unroll_loop): Call record_base_value as needed.
8089 (copy_loop_body): Likewise.
8090 (final_biv_value): Likewise.
8091 (final_giv_value): Likewise.
8092 (find_splittable_regs): Likewise. Only create one new pseudo
8093 if we have multiple address GIVs that were combined with the same
8094 dst_reg GIV. Note when a new register is created due to unrolling.
8095 * rtl.c (reg_note_name): Add REG_NOALIAS.
8096 * rtl.h (enum reg_note): Similarly.
8097 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
8098 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
8099 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
8100 (true_dependence, read_dependence, anti_dependence): Likewise.
8101 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
8102 (mark_user_reg, mark_reg_pointer): Likewise.
8105 * Integrate reload bugfix from Wilon which enables the PA port
8107 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
8108 OPERAND_ADDRESS when computing how many registers an insn needs.
8109 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
8111 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
8113 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
8114 in reload_reg_use_in_op_addr do not reach the end.
8115 do not reach the end.
8116 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
8117 RELOAD_FOR_OPERAND_ADDRESS.
8119 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
8121 * egcs project officially starts.