1 Mon Apr 20 15:04:14 1998 John Wehle (john@feith.com)
3 * i386.md (movsf_push, movdf_push, movxf_push): Allow memory
4 operands during and after reload.
6 Mon Apr 20 22:37:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8 * final.c (shorten_branches, init_insn_lengths): Move code
9 to free label_align, uid_shuid, insn_lengths, insn_addresses
10 and uid_align from the former function into the latter one;
11 Add code to clear these variables.
12 * sh.h (label_align): Remove declaration.
14 Mon Apr 20 14:48:29 1998 Michael Meissner <meissner@cygnus.com>
16 * gcc.c (lang_specific_driver): Declare prototype properly so
17 fatal can be passed to it without error.
19 * configure.in (AC_CHECK_FUNCS): Check for strchr and strrchr.
20 * configure: Regenerate.
21 * config.in: Add #undef's for strchr and strrchr.
23 * protoize.c (toplevel): If we have rindex, but not strrchr, map
25 (file_could_be_converted): Use strrchr, not rindex since rindex is
26 not defined on Linux systems when _POSIX_SOURCE is defined.
27 (file_normally_convertible): Ditto.
28 (process_aux_info_file): Ditto.
31 * rs6000.md (mov{sf,df} define_splits): When splitting a move of
32 a constant to an integer register, don't split the insns that do
33 the simple AND and OR operations, rather just split each word, and
34 let the normal movsi define split handle it further.
36 Mon Apr 20 18:19:40 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
38 * sh.c (find_barrier): Fix bug in ADDR_DIFF_VEC handling.
39 (split_branches): Call init_insn_lengths.
41 Mon Apr 20 07:37:49 1998 Michael Meissner <meissner@cygnus.com>
43 * i386.c: Include expr.h to get the change_address prototype
46 Mon Apr 20 01:00:05 1998 H.J. Lu (hjl@gnu.org)
48 * reg-stack.c (subst_asm_stack_regs): Change to return the last
49 new insn generated by this function.
50 (subst_stack_regs): Likewise.
51 (convert_regs): Record the last newly generated insn and use
52 it for change_stack () instead of INSN.
54 Sun Apr 19 15:41:24 1998 Manfred Hollstein <manfred@s-direktnet.de>
56 * fix-header.c (enum special_file): Undefine enumerators if they
57 are already defined by include files.
58 * fixproto (rel_source_file in unistd.h stdlib.h): Prefix file protection
59 macro with '__' to not pollute user namespace.
61 Sun Apr 19 02:42:06 1998 Richard Henderson <rth@cygnus.com>
63 * haifa-sched.c (queue_to_ready): Fix typo in prototype.
65 Sat Apr 18 23:52:35 PDT 1998 Jeff Law (law@cygnus.com)
67 * version.c: Bump for snapshot.
69 Sat Apr 18 18:30:22 1998 Jim Wilson <wilson@cygnus.com>
71 * i386.md (fix_truncsfdi2+[123]): Add + to operand 1 constraints.
73 * i386.h (CPP_CPU_DEFAULT): Renamed to CPP_CPU_DEFAULT_SPEC.
74 Add missing -Dpentium* options.
75 (CPP_CPU_SPEC): Delete redundant definition. Include cpp_cpu_default
76 instead of CPP_CPU_DEFAULT.
77 (EXTRA_SPECS): Add entry for cpp_cpu_default.
79 Sat Apr 18 19:06:59 1998 David Edelsohn <edelsohn@mhpcc.edu>
81 * rs6000.md (floatsidf2_loadaddr): rs6000_fpmem_offset will be
82 negative in a stackless frame.
83 * rs6000.c (rs6000_stack_info): Don't include fixed-size link area
84 in stackless frame size. Support 64-bit stackless frame size.
85 Combine fpmem offset calculations and don't add total_size to
86 offset if not pushing a stack frame.
88 Sat Apr 18 15:41:16 1998 Jim Wilson <wilson@cygnus.com>
90 * regmove.c (fixup_match_1): In three places, in flag_exceptions
93 Sat Apr 18 15:30:49 1998 Jim Wilson <wilson@cygnus.com>
95 * gcc.c (lang_specific_driver): Add new parm type to prototype.
96 (added_libraries): New file scope static variable.
97 (process_command): Initialize added_libraries. Pass it to
99 (main): Use added_libraries in check for no input files.
101 Sat Apr 18 01:23:11 1998 John Carr <jfc@mit.edu>
103 * sparc.c, sparc.h, sparc.md, sol2.h: Many changes related to V9
104 code generation. Use 64 bit instructions in 32 bit mode when
105 possible. Use V9 return instruction. UltraSPARC optimizations.
107 * sparc.h: Change gen_rtx (CODE to gen_rtx_CODE (.
109 Fri Apr 17 22:38:17 1998 Jeffrey A Law (law@cygnus.com)
111 * global.c (global_alloc): Don't pass HARD_CONST (0) to find_reg,
112 just pass zero. That will work regardless of the size of HARD_REG_SET.
114 * libgcc2.c (__floatdisf): Fix a couple typos.
116 Fri Apr 17 17:28:26 1998 Jim Wilson <wilson@cygnus.com>
118 * Makefile.in (mostlyclean): Delete *.mach and *.bp files.
120 Fri Apr 17 16:35:35 1998 Greg McGary <gkm@gnu.org>
122 * emit-rtl.c (gen_highpart): initialize `word' properly for pseudo.
124 Fri Apr 17 14:30:37 1998 John Carr <jfc@mit.edu>
126 * emit-rtl.c (operand_subword_force): If a register can not be
127 accessed by words, copy it to a pseudo register.
129 Fri Apr 17 14:30:37 1998 Jim Wilson <wilson@cygnus.com>
131 * rs6000/vxppc.h (CPP_SPEC): Add support for mrelocatable*.
133 Fri Apr 17 17:01:25 1998 Michael Meissner <meissner@cygnus.com>
135 * tree.h (mark_seen_cases): Delete declaration.
137 Fri Apr 17 13:32:20 1998 Jeffrey A Law (law@cygnus.com)
139 * stmt.c (mark_seen_cases): Make static and add prototype.
141 Fri Apr 17 11:21:43 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
143 * frame.c: Include stdlib.h and unistd.h to possibly get various
144 function prototypes. The fixproto script guarantees these header
145 files exist on the target system.
146 * libgcc2.c: Likewise.
148 * gthr-single.h (__gthread_mutex_lock, __gthread_mutex_trylock,
149 __gthread_mutex_unlock): Add __attribute__ ((__unused__)) to the
151 * libgcc2.c (__udiv_w_sdiv): Likewise.
153 Thu Apr 16 22:41:02 1998 Jeffrey A Law (law@cygnus.com)
155 * varasm.c (asm_output_bss): Add prototype.
156 (asm_output_aligned_bss): Likewise.
158 * unroll.c (verify_addresses): Add prototype.
160 * toplev.c: Add many prototypes. Too many to mention here.
162 * stmt.c (check_seenlabel): Add prototype.
164 * rtlanal.c (reg_set_p_1): Add prototype.
165 (reg_set_last_1): Likewise.
167 * reorg.c (find_dead_or_set_registers): Add prototype.
169 * regmove (try_auto_increment): Add prototype.
171 * reg-stack.c (pop_stack): Add prototype.
173 * recog.c (validate_replace_rtx_1): Add prototype.
174 (find_cosntant_term_loc): Likewise.
176 * loop.c (regs_patch_p): Add prototype.
177 (add_label_notes, count_nonfixed_reads): Likewise.
178 (find_single_use_in_loop): Likewise.
179 (express_from): Surround prototype with #ifdef.
180 (giv_sort): Similarly.
182 * jump.c (mark_modified_reg): Add prototype.
184 * haifa-sched.c (is_prisky): Add prototype.
185 (queue_to_ready): Likewise.
187 * genextract.c (gen_insn): Add prototype.
189 * genemit.c (max_operand_1): Add prototype.
190 (max_operand_vec, print_code, gen_exp, gen_insn): Likewise.
191 (gen_expand, gen_explit, output_add_clobbers): Likewise.
192 (output_init_mov_optab): Likewise.
194 * genattrtab.c (attr_hash_add_rtx): Add prototype.
195 (attr_hash_add_string, write_length_unit_log): Likewise.
197 * genattr.c (init_range): Add prototype.
199 * combine.c (sets_function_arg_p): Add prototype.
201 * expr.c (store_constructor_field): Add prototype.
202 (get_memory_usage_from_modifier): Likewise
204 * expmed.c (synth_mult): Add prototype.
205 (choose_multiplier, invert_mod2n): Likewise.
207 * except.c (push_eh_entry): Add prototype.
208 (pop_eh_entry, enqueue_eh_entry, dequeu_eh_entry): Likewise.
209 (call_get_eh_context, start_dynamic_cleanup): Likewise.
210 (start_dynamic_handler, can_throw): Likewise.
211 (output_exception_table_entry, scan_region): Likewise.
212 (eh_regs, set_insn_eh_region): Likewise.
214 * dwarfout.c (decl_class_context): Add prototype.
215 (output_inheritance_die, type_ok_for_scope): Likewise.
217 * c-lex.c (skip_white_space_on_line): Add prototype.
219 * alias.c (record_set): Add prototype.
220 (find_base_term, base_alias_check): Likewise.
222 * function.c (assign_outer_stack_local): Make static and add prototype.
224 * haifa-sched.c (build_control_flow): Accept raw data as inputs
225 instead of computing it locally. Callers changed.
226 (find_rgns): Several new arguments. Callers changed.
227 Generally clean up and comment better. Use dominators to
228 identify reducible loops. Convert some flag arrays to bitmaps.
229 Convert most of the code to work on pred/succ lists instead of
230 an edge table. Add comments for future improvements.
231 (schedule_insns): Allocate temporary tables for flow data, call
232 routines to compute flow data and pass it along to children as
234 (debug_control_flow): Delete. Use dump_bb_data instead.
236 * basic-block.h (compute_dominators): Declare.
238 * flow.c (dump_sbitmap, dump_sbitmap_vector): New debugging
240 * basic-block.h: Declare them.
242 Thu Apr 16 13:45:51 1998 Jim Wilson <wilson@cygnus.com>
244 * reg-stack.c (constrain_asm_operands): Set n_alternatives to zero if
247 Wed Apr 15 11:33:09 1998 Alexandre Petit-Bianco <apbianco@sendai.cygnus.com>
249 * tree.c (build_expr_wfl): Use NULL_TREE if the file name is NULL.
250 Propagate TREE_SIDE_EFFECTS and TREE_TYPE iff the encapsulated
251 node is non NULL. Cache last file name and file name identifier node.
253 1998-04-15 Mark Mitchell <mmitchell@usa.net>
255 * c-common.c (declare_hidden_char_array): Use TYPE_DOMAIN to get
256 the length of an array, not TREE_TYPE.
258 Wed Apr 15 15:31:34 1998 Jeffrey A Law (law@cygnus.com)
260 * flow.c (sbitmap_union_of_successors): New function.
261 * basic-block.h (sbitmap_union_of_successors): Declare it.
263 Wed Apr 15 12:38:03 1998 Jim Wilson <wilson@cygnus.com>
265 * configure.in (gnu_ld): Rename to gnu_ld_flag before main loop.
266 Set gnu_ld to gnu_ld_flag inside main loop.
269 Wed Apr 15 14:50:05 1998 Dave Brolley <brolley@cygnus.com>
271 * toplev.c (compile_file): Call init_parse using new interface.
272 (init_lex): Remove declaration.
274 * c-lex.c (init_parse): Now returns char* containing filename.
276 Wed Apr 15 12:37:10 1998 Jeffrey A Law (law@cygnus.com)
278 * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing if not optimizing.
280 Wed Apr 15 12:10:18 1998 Michael Meissner <meissner@cygnus.com>
282 * Makefile.in (gen{config,flags,codes,emit}): Link in host print-rtl.o.
283 (gen{extract,peep,opinit,output}): Ditto.
285 * gen{attr,codes,config,emit,output}.c (insn_attr_name): Provide a
286 global definition so print-rtl.o can be linked in.
287 * gen{peep,recog}.c (insn_attr_name): Ditto.
289 Tue Apr 14 07:30:57 1998 K. Richard Pixley <rich@kyoto.noir.com>
291 * fixincludes: discard empty C++ comments, as found in sys/time.h
294 Wed Apr 15 10:47:21 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
296 * config/m68k/m68k.md (adddi3, subdi3): Optimize for constant
299 Wed Apr 15 01:21:21 1998 Jeffrey A Law (law@cygnus.com)
301 * emit-rtl.c (operand_subword): Rework slightly to avoid
302 bogus warning from previous change.
304 Tue Apr 14 23:39:13 1998 Richard Henderson <rth@cygnus.com>
306 * alpha.md: Revert Oct 27 change, as it is superceeded by Kenner's
307 Nov 8 find_replacement change. Move decls of get_unaligned_address
310 Tue Apr 14 22:00:39 1998 John Carr <jfc@mit.edu>
312 * function.c (assign_parms): Initialize unsignedp before passing
313 its pointer to promote_mode.
315 * genattrtab.c (check_attr_test): Handle MATCH_INSN like MATCH_OPERAND.
316 (write_test_expr): Allow MATCH_INSN.
318 Tue Apr 14 21:57:57 1998 Paul Eggert <eggert@twinsun.com>
320 * install.texi: Update section on warnings that can be safely ignored.
322 Tue Apr 14 14:55:16 1998 Jim Wilson <wilson@cygnus.com>
324 * mips.md (reload_outdi): Change the scratch mode from DImode to
325 TImode. New variable scratch, used instead of operand[2] in template.
326 Add code for MIPS16 HILO_REGNUM case where output reg is not M16_REG_P.
328 Tue Apr 14 16:19:03 1998 Michael Meissner <meissner@cygnus.com>
330 * expr.c (MOVE_RATIO): Set to 3 if optimizing for space.
332 Tue Apr 14 11:31:28 1998 Krister Walfridsson <cato@df.lth.se>
334 * i386/bsd386.h (ASM_OUTPUT_ALIGN): Redefine.
336 Tue Apr 14 09:02:32 1998 Jeffrey A Law (law@cygnus.com)
338 * svr4.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
339 (ASM_FINISH_DECLARE_OBJECT): Likewise.
341 * Idea and part of the patch from HJ.
342 * Makefile.in: auto-host.h renamed from auto-config.h. All references
344 (distclean): Remove auto-build.h too.
345 * configure.in: Rename host autoconf generated file to auto-host.h.
346 If host != build, then run autoconf to generate auto-build.h for
347 the build machine and include it in build_xm_files.
348 Check for wait.h and sys/wait.h.
350 * combine.c (simplify_rtx, case TRUNCATE): Respect value of
351 TRULY_NOOP_TRUNCATION.
353 Mon Apr 13 11:31:49 1998 Jason Merrill <jason@yorick.cygnus.com>
355 * tree.h (BINFO_OFFSET_ZEROP): Use integer_zerop.
357 Sun Apr 12 20:55:32 1998 Catherine Moore <clm@cygnus.com>
359 * invoke.texi (ld options) Include memset requirements
360 for options -nodstdlib and -nodefaultlibs.
362 1998-04-12 Paul Eggert <eggert@twinsun.com>
364 This change is from an idea suggested by Arthur David Olson.
366 * c-common.c (decl_attributes, record_function_format,
367 check_format_info, init_function_format_info):
368 Add support for strftime format checking.
369 (enum format_type): New type.
370 (record_function_format): Now static, and takes value of type
371 enum format_type instead of int.
372 (time_char_table): New constant.
373 (struct function_format_info): format_type member renamed from is_scan.
374 (check_format_info): Use `warning' rather than sprintf followed by
375 `warning', to avoid mishandling `%' in warnings.
376 Change `pedwarn' to `warning', since these warnings do not necessarily
377 mean the program does not conform to the C Standard, as the code
378 need not be executed.
380 * c-tree.h (record_function_format): Remove decl; no longer extern.
382 * extend.texi: Add documentation for strftime format checking.
384 Sun Apr 12 20:23:03 1998 Jeffrey A Law (law@cygnus.com)
386 * mips/ecoffl.h: Do not include mips.h.
387 * mips/elf.h: Likewise.
389 * configure.in (mips-*-ecoff): Do not mention mips/mips.h in tm_files.
390 * mips/ecoff.h: Include "mips/mips.h".
392 Sat Apr 11 22:42:54 PDT 1998 Jeff Law (law@cygnus.com)
394 * version.c: Bump for snapshot.
396 Sat Apr 11 01:24:28 1998 Jeffrey A Law (law@cygnus.com)
398 * cse.c (count_reg_usage): Correctly handle REG_NONNEG notes.
399 (delete_trivially_dead_insns): Renamed from delete_dead_from_cse.
400 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns instead of delete_dead_from_cse. Also call delete_trivially_dead_insns
401 between loop optimization passes.
402 * rtl.h: Updated appropriately.
404 Fri Apr 10 22:28:32 1998 Jeffrey A Law (law@cygnus.com)
406 Reinstall this patch from Jason.
407 * function.c (push_function_context_to): Don't call init_emit.
409 Fri Apr 10 13:40:20 1998 Nick Clifton <nickc@cygnus.com>
411 * rtl.c (read_skip_spaces): Prevent infinite loops upon
412 encountering unterminated comments.
414 Fri Apr 10 10:43:41 1998 Jeffrey A Law (law@cygnus.com)
416 * emit-rtl.c (operand_subword): Properly handle CONST_INTs for
419 * configure.in: Handle --with-fast-fixincludes.
420 (fixincludes): If --with-fast-fixincludes, then use a different
421 fixincludes program by default.
422 * Makefile.in (fixinc.sh): New rule.
424 Fri Apr 10 00:36:31 1998 H.J. Lu (hjl@gnu.org)
426 * i386.md (movqi+1): Handle invalid QI register.
427 (movsf_push-1): Likewise.
429 Thu Apr 9 16:53:59 1998 Nick Clifton <nickc@cygnus.com>
431 * config/m32r/m32r.c: call_address_operand(): Only accept symbolic
433 symbolic_memort_operand(), call32_operand(), int8_operand(),
434 int16_operand(), uint24_operand(), reg_or_int8_operand(): Removed.
436 uint16_operand(): Made static.
438 Thu Apr 9 01:43:04 1998 Jeffrey A Law (law@cygnus.com)
440 * calls.c (expand_call): Fix typo.
442 Thu Apr 9 00:18:44 1998 Dave Brolley (brolley@cygnus.com)
444 * c-lex.c (finput): New global.
445 (init_parse): Always included. Handle !USE_CPPLIB using
446 code originally in compile_file.
447 (finish_parse): Update for CPPLIB.
448 * toplev.c (init_parse, finish_parse): Declare.
449 (finput): Delete variable. Now in front-ends.
450 (compile_file): Remove code which is now handled by init_parse
451 which is unconditionally called. Similarly for finish_parse.
453 Wed Apr 8 23:13:50 1998 Gavin Koch <gavin@cygnus.com>
455 * config/mips/r3900.h (ASM_OUTPUT_DEF,SUPPORTS_WEAK,
456 ASM_WEAKEN_LABEL): Add.
458 Wed Apr 8 18:21:30 1998 Richard Henderson <rth@cygnus.com>
460 * alpha/crtbegin.asm, alpha/crtend.asm, alpha/t-crtb: New files.
461 * configure.in (alpha-*-linux*): Use them.
463 Fri Apr 3 17:02:13 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
465 * tree.def (EXPR_WITH_FILE_LOCATION): New tree node definition.
466 * tree.h (EXPR_WFL_{NODE,FILENAME,FILENAME_NODE,LINENO,
467 COLNO,LINECOL,SET_LINECOL,EMIT_LINE_NOTE}): New macros.
468 (build_expr_wfl): New prototype declaration.
469 * tree.c (build_expr_wfl): New function, to build
470 EXPR_WITH_FILE_LOCATION nodes.
471 (copy_node): Don't zero TREE_CHAIN if copying a
472 EXPR_WITH_FILE_LOCATION node.
473 * print-tree.c (print_node): Handle EXPR_WITH_FILE_LOCATION.
474 * expr.c (expand_expr): Handle EXPR_WITH_FILE_LOCATION.
476 Wed Apr 8 12:51:19 1998 Jeffrey A Law (law@cygnus.com)
478 * configure.in (v850): Use t-v850.
479 (ix86-wrs-vxworks): Recognize 786 just like other x86 configurations.
481 * protoize.c (creat, read, write): Do not declare.
483 * jump.c (mark_jump_label): Record REG_LABEL notes for insns which
484 refer to the CODE_LABEL before a dispatch table.
486 * invoke.texi: Add ARC options.
488 * gcc.c (proces_command): Improve error message for -o with
491 * i386/x-cygwin32 (CLIB): Link in advapi32.
493 * alpha.h (ASM_IDENTIFY_GCC): Define to nothing.
494 (ASM_IDENTIFY_LANGUAGE): Likewise.
496 * i386.md (movqi recognizer): Don't perfom byte increment into
499 * configure.in (x86-dg-dgux): Run fixinc.dgux.
501 * i370.h: Fix typo in GEN_INT changes.
503 * bitmap.c (bitmap_element_allocate): Use "void" for arglist instead
504 of an empty arglist in prototype.
506 * Makefile.in: Remove bytecode crud that crept back in after the
509 1998-04-08 Brendan Kehoe <brendan@cygnus.com>
511 * c-lex.h (is_class_name): Fix arg type to be tree, not void.
512 (make_pointer_declarator, reinit_parse_for_function): Fix typo.
514 Wed Apr 8 06:16:45 1998 Richard Earnshaw (rearnsha@arm.com)
516 * arm.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
518 Wed Apr 8 00:44:18 1998 Bernd Schmidt (crux@pool.informatik.rwth-aachen.de>
520 * c-lex.c (is_class_name): Delete declaration.
521 (whitespace_cr): Make static and add prototype.
522 * c-lex.h (make_pointer_declarator, reinit_parse_for_function,
523 yylex, get_directive_line): Turn declarations into prototypes.
524 (position_after_whitespace, check_newline, yyerror,, is_class_name,
525 forget_protocol_qualifiers, remember_protocol_qualifiers): Add
527 * genattr.c (extend_range, write_upcase, gen_attr, write_units): Add
529 * gencodes.c (gen_insn): Add prototype.
530 * genconfig.c (walk_insn, gen_insn, gen_expand, gen_split,
531 gen_peephole): Add prototypes.
532 * genflags.c (num_operands, gen_proto, gen_nonproto, gen_insn): Add
534 * gengenrtl.c (type_from_format, accessor_from_format, special_rtx,
535 special_format, find_formats, gendecl, genmacro, gendef, genlegend,
536 genheader, gencode): Add prototypes.
537 * genopinit.c (gen_insn): Add prototype.
538 * genoutput.c (output_prologue, output_epilogue, scan_operands,
539 process_template, validate_insn_alternatives, gen_insn, gen_peephole,
540 gen_expand, gen_split, n_occurrences): Add prototypes.
541 * genpeep.c (gen_peephole): Add prototype.
542 * loop.c (find_and_verify_loops, mark_loop_jump, prescan_loop,
543 reg_in_basic_block_p, consec_sets_invariant_p, libcall_other_reg,
544 labels_in_range_p, count_loop_regs_set, note_addr_stored,
545 loop_reg_used_before_p, scan_loop, replace_call_address,
546 skip_consec_insns, libcall_benefit, ignore_some_movables,
547 force_movables, combine_movables, rtx_equal_for_loop_p, move_movables,
548 strength_reduce, valid_initial_value_p, find_mem_givs, record_biv,
549 check_final_value, record_giv, update_giv_derive, basic_induction_var,
550 simplify_giv_expr, general_induction_var, consec_sets_giv,
551 check_dbra_loop, express_from, combine_givs_p, combine_givs,
552 product_cheap_p, maybe_eliminate_biv, maybe_eliminate_biv_1,
553 last_use_this_basic_block, record_initial, update_reg_last_use,
554 iteration_info, analyze_loop_iterations, insert_bct,
555 instrument_loop_bct, indirect_jump_in_function_p): Turn declarations
558 Tue Apr 7 21:48:52 1998 Jeffrey A Law (law@cygnus.com)
560 * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
562 1998-04-07 Ken Raeburn <raeburn@cygnus.com>
564 * config/mips/mips.c (siginfo): Deleted.
565 (override_options): Don't install SIGINFO signal handler.
567 Tue Apr 7 11:58:04 1998 Jim Wilson <wilson@cygnus.com>
569 * loop.c (check_dbra_loop): When normalize comparison_val, add check
570 to verify it is non-negative.
572 Tue Apr 7 02:01:47 1998 Richard Henderson <rth@cygnus.com>
574 * alpha.c (alpha_expand_block_move): Correctly collect block offsets.
575 (alpha_expand_block_clear): Likewise.
577 Mon Apr 6 23:36:01 1998 Richard Henderson <rth@cygnus.com>
579 * tree.h (sizetype_tab): Fix previous change for K&R.
581 Mon Apr 6 22:23:29 PDT 1998 Jeff Law (law@cygnus.com)
583 * version.c: Bump for snapshot.
585 Mon Apr 6 23:16:10 1998 Richard Earnshaw (rearnsha@arm.com)
587 * configure.in (sparc-*-solaris2*): Add xm-siglist.h to xm_file.
588 Add USG and POSIX to xm_defines.
590 Mon Apr 6 21:49:57 1998 Bob Manson <manson@charmed.cygnus.com>
592 * gcc.c: Add linker spec.
593 (link_command_spec): Use %(linker) instead of ld.
594 (main): If collect2 is requested as the linker, see if it exists;
595 if not, use ld instead.
597 * Makefile.in (USE_COLLECT2): It's named collect2 now, not ld.
599 (install-collect2): Install as collect2, not ld.
601 * configure.in(will_use_collect2): It's named collect2 now.
603 * collect2: Remove checks to see if we were invoked recursively.
604 (collect_execute): Use _spawnvp under cygwin32.
606 Mon Apr 6 17:23:41 1998 Jim Wilson <wilson@cygnus.com>
608 * haifa-sched.c (build_control_flow): Set unreachable for block whose
609 only predecessor is itself.
611 Mon Apr 6 16:08:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
613 * c-parse.in: Include system.h, and remove stuff now made redundant.
616 * protoize.c: Likewise. Properly check for cpp stringification.
618 * Makefile.in (c-parse.o, cccp.o, cexp.o, protoize.o, unprotoize.o):
621 * objc/Make-lang.in (objc-parse.o): Likewise.
623 Mon Apr 6 14:59:58 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
625 * gansidecl.h: Check if compiler supports __attribute__. Provide
626 definitions for ATTRIBUTE_UNUSED and ATTRIBUTE_PRINTF using
627 __attribute__ when its available. Also provide definitions for
628 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2 and ATTRIBUTE_PRINTF_3 in
629 terms of ATTRIBUTE_PRINTF.
631 * genoutput.c (process_template): Use ATTRIBUTE_UNUSED in place
634 Mon Apr 6 07:17:52 1998 Catherine Moore <clm@cygnus.com>
636 * combine.c (can_combine_p): Include successor in volatile test.
638 Mon Apr 6 14:16:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
640 * sh.h (CASE_VECTOR_SHORTEN_MODE): Fix logic when to set
643 Mon Apr 6 02:03:29 1998 Jeffrey A Law (law@cygnus.com)
645 * objc/objc-act.c (encode_aggregate_within): Avoid GNU extensions
646 in prototype and definition.
648 Mon Apr 6 00:48:56 PDT 1998 Jeff Law (law@cygnus.com)
650 * version.c: Bump for snapshot.
652 Mon Apr 6 00:08:50 1998 Richard Henderson <rth@cygnus.com>
654 * alpha.c (alpha_expand_block_clear): Add missing offset arg to
655 alpha_expand_unaligned_store_words.
657 Sun Apr 5 21:31:24 1998 John Wehle (john@feith.com)
659 * i386.md (movsf_push, movsf_mem): Remove.
660 (movsf_push): Rename from movsf_push_nomove and move in front of
661 movsf. Use nonmemory_operand predicate and don't bother checking
663 (movsf_push_memory): New pattern.
664 (movsf): Don't bother checking for push_operand. If TARGET_MOVE and
665 both operands refer to memory then force operand[1] into a register.
666 (movsf_normal): Change to unnamed pattern.
667 Likewise for movdf, movxf, and friends.
669 Sun Apr 5 18:45:51 PDT 1998 Jeff Law (law@cygnus.com)
671 * version.c: Bump for snapshot.
673 Sun Apr 5 16:31:10 1998 Richard Henderson <rth@cygnus.com>
675 * configure.in (alpha-dec-osf*): Match osf1.3 correctly.
677 Sun Apr 5 16:53:37 1998 Don Bowman <don@pixsci.com>
679 * configure.in (mips-wrs-vxworks): New target.
681 Sat Apr 4 23:34:32 PST 1998 Jeff Law (law@cygnus.com)
683 * expmed.c (synth_mult): The value -1, has no zeros, so it can
684 never have the form ...011.
686 * version.c: Bump for snapshot.
688 Sat Apr 4 20:16:46 1998 Richard Henderson <rth@cygnus.com>
690 * i386.c (asm_output_function_prefix, load_pic_register):
691 Use ASM_GENERATE_INTERNAL_LABEL properly.
692 (output_pic_addr_const): Recognize %X to supress any PIC sym suffix.
693 (print_operand): Ignore it.
694 (load_pic_register): Use it for the got load call.
695 * i386.md (prologue_set_got, prologue_get_pc): Likewise.
696 (prologue_get_pc_and_set_got): Likewise.
697 * i386.h: Update print_operand docs.
699 Sat Apr 4 19:08:37 1998 Richard Henderson <rth@cygnus.com>
701 * i386.md (ffssi, ffshi): Rewrite as define_expands.
702 (ffssi_1, ffshi_1): New (unspec [] 5) support patterns.
703 * i386.c (notice_update_cc): Recognize unspec 5.
705 Sat Apr 4 18:07:16 1998 David Mosberger-Tang (davidm@mostang.com)
707 * alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Accept '(' for s/sv/svi.
708 * alpha.c (print_operand): Handle it.
709 * alpha.md (fix_truncsfdi2): Use it. Add earlyclobber pattern
711 (fix_truncdfdi2): Likewise.
713 Sat Apr 4 17:42:05 1998 Richard Henderson <rth@cygnus.com>
715 * tree.h (sizetype_tab[2], sbitsizetype, ubitsizetype): Merge all
716 of these into a single struct, with additional [us]sizetype entries.
717 * stor-layout.c (set_sizetype): Initialize [us]sizetype.
718 * fold-const.c (size_int_wide): Don't rely on sizetype_tab being
721 Sat Apr 4 17:04:41 1998 Richard Henderson <rth@cygnus.com>
723 * configure.in (alpha-*-linux-*): Undo tm_file changes from gcc2 merge.
725 Sat Apr 4 13:50:01 1998 Richard Henderson <rth@cygnus.com>
727 * haifa-sched.c (split_block_insns): Don't supress insn splitting
728 on subsequent passes.
730 * alpha.c (hard_fp_register_operand): New function.
731 * alpha.h (PREDICATE_CODES): Add it.
732 * alpha.md (extendsidi2): Kill bogus f<-f cvtql+cvtlq case. Add an
733 f<-m case and accompanying define_split.
734 (trapb): Use a unique unspec_volatile number.
736 Sat Apr 4 13:32:08 1998 Richard Henderson <rth@cygnus.com>
738 * configure.in (alpha-*-linux-gnu*): Undo Feb 3 change brought in
741 Sat Apr 4 10:23:41 1998 Jeffrey A Law (law@cygnus.com)
743 * Check in merge from gcc2. See ChangeLog.11 and ChangeLog.12
746 * haifa-sched.c: Mirror recent changes from gcc2.
748 Fri Apr 3 00:17:01 1998 Jeffrey A Law (law@cygnus.com)
750 * Makefile.in (insn*.o): Depend on system.h.
752 * pa.c (output_global_address): Initialize base.
753 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Initialize index.
755 1998-04-03 Mike Stump <mrs@wrs.com>
757 * gthr.h: Support systems that don't have weak, but have threads.
758 * configure.in (*wrs-vxworks*): Use VxWorks threads by default.
759 * gthr-vxworks.h: New file.
760 * objc/thr-vxworks.h: Dummy file from thr-single.c for now.
762 Thu Apr 2 18:00:52 1998 Jim Wilson <wilson@cygnus.com>
764 * i386.md (movqi+1): Change alternative 1 from *r/r to *r/*rn.
766 1998-04-02 Vladimir N. Makarov <vmakarov@cygnus.com>
768 * ginclude/va-i960.h (va_end): Change void * to void.
770 Thu Apr 2 13:51:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
772 * Makefile.in (choose-temp.o): Depend on system.h.
774 * choose-temp.c: Include system.h when IN_GCC.
776 Thu Apr 2 02:37:07 1998 Joern Rennecke (amylaar@cygnus.co.uk)
777 Richard Henderson <rth@cygnus.com>
779 * reload.c (find_reloads_address): Try LEGITIMIZE_RELOAD_ADDRESS.
780 (move_replacements): New function.
781 * reload.h: Prototype it.
783 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): New definition.
785 Thu Apr 2 01:01:34 1998 Richard Henderson <rth@cygnus.com>
787 * configure (alpha-*-linuxecoff, alpha-*-linux-gnulibc1):
790 * emit-rtl.c (gen_lowpart_common): Skip count by HARD_REGNO_NREGS.
791 (gen_highpart): Likewise.
792 * final.c (alter_subreg): Allow the target to hook by-mode subreg
793 hard register number changes.
795 Wed Apr 1 22:26:22 1998 Jeffrey A Law (law@cygnus.com)
797 * fold-const.c optimze_bit_field_compare): Initialize rnbitpos,
798 rnbitsize, rnmode and rinner.
799 (make_range): Initialize type.
800 (fold): Initialize arg0, arg1 and varop.
802 * function.c (instantiate_virtual_regs_1): Initialize offset, regnoi
804 (expand_function_start): Initialize last_ptr.
806 * stor-layout.c (layout_record): Initialize desired_align.
807 (get_best_mode): Initialize unit.
809 * tree.c (copy_node): Initialize length.
811 * c-lex.c (yylex): Initialize traditional_type, ansi_type and type.
813 * caller-save.c (insert_save_restore): Initialize pat, code and
816 * emit-rtl.c (push_to_sequence): Initialize top.
817 (push_topmost_sequence): Likewise.
819 * genattrtab.c (simplify_by_exploding): Initialize defval.
821 * profile.c (branch_prob): Initialize dest.
823 * rtl.h (note_stores): Remove duplicate prototype.
824 (GEN_INT): Re-instate cast of second arg to HOST_WIDE_INT.
826 * cplus-dem.c (gnu_special): Don't get confused by .<digits>
827 strings that are not actually lengths.
829 * genattrtab.c: Make generated file use system.h, instead of
830 including stdio.h, etc directly.
831 * genextract.c, genopinit.c, genoutput.c: Likewise.
832 * genpeep.c, genrecog.c: Likewise
834 * genoutput.c (process_template): Mark operands in the generated
835 function as potentially unused if compiling with GNU CC.
837 * i386/freebsd-elf.h (CPP_PREDEFINES): Update from FreeBSD folks.
839 * pa.md (reload peepholes): Remove unused variable "mode".
841 Wed Apr 1 17:06:19 1998 Nick Clifton <nickc@cygnus.com>
843 * config/arm/thumb.h: Add super interworking support.
844 * config/arm/thumb.c: Add super interworking support.
845 * config/arm/thumb.md: Add super interworking support.
846 * config/arm/lib1funcs.asm: Add interworking support.
847 * config/arm/lib1thumb.asm: Add super interworking support.
848 * config/arm/t-semi: Add interworking support.
849 * config/arm/t-thumb: Add interworking support.
850 * config/arm/README-interworking: New file.
852 Wed Apr 1 14:38:10 1998 Jim Wilson <wilson@cygnus.com>
854 * config/mips/iris6.h (MD_EXEC_PREFIX): Set to /usr/bin/.
855 (MD_STARTFILE_PREFIX): Unset.
857 1998-04-01 Mark Mitchell <mmitchell@usa.net>
859 * varasm.c (make_decl_rtl): Update the DECL_ASSEMBLER_NAME for a
860 entity in a local scope.
862 * fold-const.c (fold): Call truthvalue_conversion for values which
863 are folded to boolean type.
865 Wed Apr 1 06:09:53 1998 Jeffrey A Law (law@cygnus.com)
867 * 1750a.md, arm.c, clipper.c, clipper.md: Use GEN_INT consistently.
868 * convex.h, dsp16xx.c, fx80.md, gmicro.c, gmicro.md: Likewise.
869 * i370.h, i370.md, i860.c, i860.h, i860.md, i960.c: Likewise.
870 * i960.h, i960.md, m32r.md, m68k.md, m68kv4.h, m88k.c: Likewise.
871 * m88k.md, ns32k.c, ns32k.md, pdp11.c, pdp11.h, pdp11.md: Likewise.
872 * pyr.c, pyr.h, pyr.md, romp.c, romp.h, romp.md: Likewise.
873 * rs6000.md, sparc.c, sparc.h, sparc.md, spur.c, spur.md: Likewise.
874 * tahoe.md, vax.h, vax.md, we32k.c, we32k.h, we32k.md: Likewise.
877 Wed Apr 1 08:33:44 1998 Manfred Hollstein <manfred@s-direktnet.de>
879 * fixincludes (limits.h): Fix nested comments in Motorola's
880 limits.h and sys/limits.h.
882 Tue Mar 31 16:57:33 1998 Jim Wilson <wilson@cygnus.com>
884 * alpha.c (alpha_expand_unaligned_load): Use tgt instead of addr
885 as dest of expand_binop call.
887 * alpha.md (extzv): Correct check for valid operand[2] values.
889 * profile.c (branch_prob): Add code to recognize HPPA tablejump entry
892 * toplev.c (rest_of__compilation): Call init_recog_no_volatile at end.
894 Mon Mar 30 13:11:05 1998 Stan Cox <scox@cygnus.com>
896 * libgcc2.c: (__main, __do_global_dtors, __do_global_ctors):
897 For __CYGWIN32__ use the versions in winsup/dcrt0.cc.
899 * gcc.c, cccp.c, cpplib.c, collect2.c (GET_ENVIRONMENT): Added.
900 cygwin32 can override this to allow both unix and win32 style PATHs.
902 * i386/xm-cygwin32.h (GET_ENVIRONMENT): Defined to allow win32
903 style environment paths.
905 Mon Mar 30 14:43:20 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
907 * Makefile.in (cppalloc.o, cpperror.o, cppexp.o, cpphash.o,
908 cpplib.o, cppmain.o, fix-header.o, gcov.o, gen-protos.o,
909 gengenrtl.o, halfpic.o, hash.o, scan-decls.o, scan.o): Depend on
912 * cpphash.c: Include config.h.
913 * cppalloc.c: Include system.h. Add parameters to various
915 * cpperror.c: Likewise.
916 * cppexp.c: Likewise.
917 * cpphash.c: Likewise.
918 * cpplib.c: Likewise.
919 * cppmain.c: Likewise.
920 * fix-header.c: Likewise.
922 * gen-protos.c: Likewise.
923 * gengenrtl.c: Likewise.
924 * halfpic.c: Likewise.
926 * scan-decls.c: Likewise.
929 Mon Mar 30 11:06:45 1998 Jim Wilson <wilson@cygnus.com>
931 * README.gnat: Add lang_print_xnode definition.
933 Mon Mar 30 11:12:24 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
935 * config/m68k/m68k.c (standard_68881_constant_p): Don't use
936 fmovecr on the 68060.
938 Mon Mar 30 00:21:03 1998 Jeffrey A Law (law@cygnus.com)
940 * genemit.c (DONE): Rework so that it works in the true arm if
941 an if-else conditional.
944 Sun Mar 29 12:45:23 1998 Jeffrey A Law (law@cygnus.com)
946 * rs6000.c: Do not include stdioh or ctype.h anymore.
948 * Makefile.in (c-typeck.o): Delete on expr.h, insn-codes.h and
950 (stor-layout.o): Likewise.
951 * c-typeck.c: Include rtl.h and expr.h.
952 * stor-layout.c: Likewise.
954 * cpplib.c (cpp_file_line_for_message): Delete unused parameter.
956 (do_sccs): Wrap in an SCCS_DIRECTIVE ifdef.
957 * fix-header.c (cpp_file_line_for_message): Delete unused paramter.
960 * collect2.c (is_in_list): Wrap inside COLLECT_EXPORT_LIST ifdef.
962 * local-alloc.c (reg_classes_overlap_p): Delete dead function.
964 * tree.h (lang_print_xnode): Provide prototype.
966 Sat Mar 28 23:50:44 PST 1998 Jeff Law (law@cygnus.com)
968 * version.c: Bump for snapshot.
970 Sun Mar 29 00:42:21 1998 Jeffrey A Law (law@cygnus.com)
972 * objc/sendmsg.c (__objc_block_forward): Add braces for return
973 value if INVISIBLE_STRUCT_RETURN.
975 * pa.c (arith_double_operand): Fix parens.
977 * haifa-sched.c (print_pattern): Correct arg to sprintf.
979 * Makefile.in (libgcc1.null): Make return type for __foo void.
981 Sat Mar 28 14:37:20 1998 Jeffrey A Law (law@cygnus.com)
983 * pa.h: Add declarations for many functions defined in pa.c.
985 * genpeep.c (main): Remove unused variable 'i' from the generated
988 * genemit.c (gen_expand): Do not emit "_done" or "_fail" labels.
989 (gen_split): Likewise.
990 (main): Rework generated definitions of DONE and FAIL so that they
991 no longer use gotos. Avoids warnings about unused labels.
993 * integrate.c (copy_rtx_and_substitute): Rework to avoid need for
994 unused "junk" variable.
996 * genattrtab.c (write_complex_function): Add a default case in
997 generated switch statement to keep -W -Wall quiet.
999 Sat Mar 28 10:47:21 1998 Nick Clifton <nickc@cygnus.com>
1001 * invoke.texi: Document more ARM and Thumb command line options.
1003 * config/arm/xm-thumb.h: New file.
1005 Sat Mar 28 01:37:33 1998 Craig Burley <burley@gnu.ai.mit.edu>
1007 * stmt.c (expand_expr_stmt): Must generate code for
1008 statements within an expression (gcc's `({ ... )}')
1009 even if -fsyntax-only.
1011 Sat Mar 28 01:06:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1012 Jeffrey A Law (law@cygnus.com)
1014 * basic-block.h (basic_block_computed_jump_target): Declare.
1015 * flags.h: (current_function_has_computed_jump): Declare.
1016 * flow.c: (basic_block_computed_jump_target): Define.
1017 (flow_analysis): Allocate it. Set current_function_has_computed_jump
1019 (find_basic_blocks): Set current_function_has_computed_jump and
1020 elements of basic_block_computed_jump_target to 1 as appropriate.
1021 * function.c: (current_function_has_computed_jump): Define.
1022 * global.c (global_conflicts): Don't allocate pseudos into stack regs
1023 at the start of a block that is reachable by a computed jump.
1024 * reg-stack.c (stack_reg_life_analysis): If must restart, do so
1026 (subst_stack_regs): Undo change from Sep 4 1997.
1027 (uses_reg_or_mem): Now unused, deleted.
1028 * stupid.c (stupid_life_analysis): Compute
1029 current_function_has_computed_jump.
1030 (stupid_find_reg): Don't allocate stack regs if the function has a
1032 * haifa-sched.c (is_cfg_nonregular): Delete code to determine if
1033 the current function has a computed jump. Use the global value
1036 Sat Mar 28 00:21:37 1998 Jeffrey A Law (law@cygnus.com)
1038 * i386/freebsd.h (CPP_PREDEFINES): Remove __386BSD__.
1039 (DWARF2_UNWIND_INFO): Define to zero.
1041 Fri Mar 27 16:04:49 1998 Michael Meissner <meissner@cygnus.com>
1043 * gcc.c (set_std_prefix): Add declaration.
1044 (process_command): If GCC_EXEC_PREFIX is set, remove /lib/gcc-lib/
1045 suffix, and update the standard prefix prefix.c uses.
1047 * prefix.c (std_prefix): New global to hold default prefix value.
1048 (get_key_value): Change to use std_prefix instead of PREFIX.
1049 (translate_name): Ditto.
1050 (update_path): Ditto.
1051 (get_key_value): Release allocated scratch storage.
1052 (set_std_prefix): New function to reset the standard prefix.
1054 Fri Mar 27 18:08:21 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1056 * sh.c (find_barrier): Fix calculations for alignment increase.
1058 Fri Mar 27 08:56:52 1998 Manfred Hollstein <manfred@s-direktnet.de>
1060 * Makefile.in (stmp-fixinc): If we're actually fixing include
1061 files, copy gcc's assert.h into the fixed include dir.
1062 * fixincludes (assert.h): Avoid any attempts to fix a probably
1063 broken system specific assert.h file.
1064 * fixproto (stdlib.h): Make sure, it'll contain a definition of
1067 Fri Mar 27 00:49:46 1998 Jeffrey A Law (law@cygnus.com)
1069 * regclass.c (reg_scan_mark_refs): Be more selective about
1070 when we mark a register with REGNO_POINTER_FLAG.
1072 Thu Mar 26 23:00:11 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1074 reload inheritance improvement:
1075 * reload1.c (reg_reloaded_contents, reg_reloaded_insn):
1076 Change meaning: index is now hard reg number.
1077 (reg_reloaded_valid, reg_reloaded_dead): New variables.
1078 (reload_spill_index): Content is now a hard reg number.
1079 (reload_as_needed): Change to fit new variable meaning.
1080 (forget_old_reloads_1, allocate_reload_reg): Likewise.
1081 (choose_reload_regs, emit_reload_insns): Likewise.
1083 Thu Mar 26 18:34:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1085 * regclass.c (record_reg_classes): '?' increases cost by two.
1087 * reload.c (find_reloads): Double previous costs. Output
1088 reloads cost one unit extra.
1090 * reload1.c (eliminate_regs): Delete LOAD_EXTENDED_OP code that
1091 boiled down to && ! 0.
1093 * reload.c (find_equiv_reg): Also consider a goal offset from the
1094 frame pointer to be constant.
1096 Thu Mar 26 17:34:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1098 * sh.h (OPTIMIZATION_OPTIONS): Define.
1100 Thu Mar 26 00:19:47 1998 Richard Henderson <rth@cygnus.com>
1102 * combine.c (make_compound_operation): Simplify (subreg (*_extend) 0).
1104 Wed Mar 25 23:53:11 1998 Jeffrey A Law (law@cygnus.com)
1106 * pa.c (pa_adjust_cost): Avoid redundant calls to get_attr_type.
1108 Wed Mar 25 13:40:48 1998 Jim Wilson <wilson@cygnus.com>
1110 * c-common.c (check_format_info): Initialize type, is_type. New local
1111 integral_format. Don't warn for 'L' when pedantic. Do warn for 'L'
1112 when pedantic if used with integral format specifier.
1114 Wed Mar 25 16:09:01 1998 Michael Meissner <meissner@cygnus.com>
1116 * rs6000.h (FUNCTION_ARG_PADDING): Cast result to be enum
1118 (function_arg_padding): Declare.
1120 * rs6000.c: Include system.h.
1121 (function_arg_padding): Change return type to int, cast enum's to
1124 (From Kaveh R. Ghazi <ghazi@caip.rutgers.edu>)
1125 * collect2.c (scan_prog_file): Add explicit braces to avoid
1128 * dbxout.c (dbxout_type_fields): Add braces around empty body in
1130 (dbxout_type): Likewise.
1132 * rs6000.c (rs6000_override_options): Change type of `i', `j' and
1133 `ptt_size' from int to size_t.
1134 (rs6000_file_start): Likewise for `i'.
1135 (rs6000_replace_regno): Add default case in enumeration switch.
1136 (output_epilog): Remove unused variable `i'.
1137 (rs6000_longcall_ref): Remove unused variables `len', `p', `reg1'
1140 * rs6000.h (ADDITIONAL_REGISTER_NAMES): Add missing braces around
1142 (get_issue_rate, non_logical_cint_operand): Add prototype.
1143 (rs6000_output_load_toc_table): Ditto.
1145 * rs6000.md (udivmodsi4): Add explicit braces to avoid ambiguous
1148 Wed Mar 25 10:05:19 1998 Nick Clifton <nickc@cygnus.com>
1150 * config/arm/thumb.c: New File. Support for ARM's Thumb
1152 * config/arm/thumb.h: New File. Thumb definitions.
1153 * config/arm/thumb.md: New File. Thumb machine description.
1154 * config/arm/tcoff.h: New File. Thumb COFF support.
1155 * config/arm/t-thumb: New File. Thumb makefile fragment.
1156 * config/arm/lib1thumb.asm: New File. Thumb libgcc support functions.
1158 * configure.in: Add Thumb-coff target.
1159 * configure: Add Thumb-coff target.
1160 * config.sub: Add Thumb-coff target.
1162 Wed Mar 25 10:30:32 1998 Jim Wilson <wilson@cygnus.com>
1164 * loop.c (scan_loop): Initialize move_insn_first to zero.
1166 Wed Mar 25 01:06:49 1998 Joel Sherrill (joel@OARcorp.com)
1168 * config/i386/go32-rtems.h: Defined TARGET_MEM_FUNCTIONS.
1169 * config/i386/rtems.h: Likewise.
1170 * config/i960/rtems.h: Likewise.
1171 * config/m68k/rtems.h: Likewise.
1172 * config/mips/rtems64.h: Likewise.
1173 * config/pa/rtems.h: Likewise.
1174 * config/rs6000/rtems.h: Likewise.
1175 * config/sh/rtems.h: Likewise.
1176 * config/sparc/rtems.h: Likewise.
1178 Wed Mar 25 00:57:26 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1180 * pa.c (emit_move_sequence): If in reload, call find_replacement.
1182 Tue Mar 24 10:44:11 1998 Nick Clifton <nickc@cygnus.com>
1184 * Makefile.in (gcov$(exeext)): Support .exe extension to gcov.
1186 * collect2.c (find_a_file): Add debugging.
1187 (find_a_file): Test for win32 style absolute paths if
1188 DIR_SERPARATOR is defined.
1189 (prefix_from_string): Add debugging.
1190 (main): Test for debug command line switch at start of program
1192 (main): Use GET_ENVIRONMENT rather than getenv().
1193 (prefix_from_env): Use GET_ENVIRONMENT.
1195 1998-03-24 Mark Mitchell <mmitchell@usa.net>
1197 * cplus-dem.c (optable): Add sizeof.
1198 (demangle_template_value_parm): New function containing code
1199 previously found in demangle_template.
1200 (demangle_integral_value): New function which handles complicated
1201 integral expressions.
1202 (demangle_template): Use them.
1204 Tue Mar 24 12:13:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1206 * Makefile.in (genconfig.o, genflags.o, gencodes.o, genemit.o,
1207 genopinit.o, genrecog.o, genextract.o, genpeep.o, genattr.o,
1208 genattrtab.o, genoutput.o): Depend on system.h.
1210 * genattr.c: Include system.h. Add arguments to various function
1211 prototypes. Remove redundant prototype of read_rtx().
1212 * genattrtab.c: Likewise.
1213 * gencodes.c: Likewise.
1214 * genconfig.c: Likewise.
1215 * genemit.c: Likewise.
1216 * genextract.c: Likewise.
1217 * genflags.c: Likewise.
1218 * genopinit.c: Likewise.
1219 * genoutput.c: Likewise.
1220 * genpeep.c: Likewise.
1221 * genrecog.c: Likewise.
1223 1998-03-24 Martin von Loewis <loewis@informatik.hu-berlin.de>
1225 * c-lang.c (lang_print_xnode): New function.
1226 * objc/objc-act.c (lang_print_xnode): Likewise.
1227 * print-tree.c (print_node): Call it
1229 Mon Mar 23 23:59:11 1998 H.J. Lu (hjl@gnu.org)
1231 * c-parse.in: Recognize protocol qualifiers in class
1232 definitions for objc.
1234 (yyerror): Remove redundant decl.
1235 (yyprint): Fix prototype.
1237 Mon Mar 23 23:49:47 1998 Jeffrey A Law (law@cygnus.com)
1239 * cse.c (rtx_cost): Only call CONST_COSTS if it is defined.
1241 * stmt.c (unroll_block_trees): Free block_vector if needed.
1243 Mon Mar 23 23:26:42 1998 Philippe De Muyter <phdm@macqel.be>
1245 * m68k/m68k.md (zero_extendqidi2, zero_extendhidi2): New patterns.
1246 (zero_extendsidi2): Avoid useless copy.
1247 (iordi_zext): New pattern.
1248 (iorsi_zexthi_ashl16): Pattern reworked to avoid "0" constraint for
1250 (iorsi_zext): New name for old unnamed pattern; indentation fixes.
1252 * m68k/m68k.md (ashldi_const): Allow shift count in range ]32,63].
1253 (ashldi3): Allow constant shift count in range ]32,63].
1254 (ashrdi_const, ashrid3, lshrdi_const, lshrdi3): Likewise.
1256 1998-03-22 Mark Mitchell <mmitchell@usa.net>
1258 * tree.h (IS_EXPR_CODE_CLASS): New macro.
1260 Mon Mar 23 23:18:48 1998 Jeffrey A Law (law@cygnus.com)
1262 * h8300.h (CONST_COSTS): Remove definition.
1263 (DEFAULT_RTX_COSTS): Define.
1265 Mon Mar 23 22:58:22 1998 Joel Sherrill (joel@OARcorp.com)
1267 * config/sh/rtems.h: Switched from ELF to COFF.
1269 Mon Mar 23 14:14:20 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1271 * freebsd.h (ASM_OUTPUT_ALIGN): Redefine.
1273 Sat Mar 21 23:52:56 PST 1998 Jeff Law (law@cygnus.com)
1275 * version.c: Bump for snapshot.
1277 Sun Mar 22 00:50:42 1998 Nick Clifton <nickc@cygnus.com>
1278 Geoff Noer <noer@cygnus.com>
1280 * Makefile.in: Various fixes for building cygwin32 native toolchains.
1282 * objc/Makefile.in: Various fixes for building cygwin32 native toolchains.
1283 * objc/Make-lang.in: Likewise.
1285 * config/i386/xm-cygwin32.h (PATH_SEPARATOR): Set to a semi-colon.
1287 Sun Mar 22 00:21:46 1998 R. Ganesan <rganesan@novell.com>
1289 * configure.in: Handle with-PACKAGE=no correctly
1291 Fri Mar 20 17:36:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1293 * Makefile.in (alias.o, bitmap.o, c-aux-info.o, c-common.o,
1294 c-decl.o, c-iterate.o, c-lang.o, c-lex.o, c-pragma.o, c-typeck.o,
1295 caller-save.o, calls.o, collect2.o, combine.o, cse.o, dbxout.o,
1296 dwarf2out.o, dwarfout.o, emit-rtl.o, except.o, explow.o, expmed.o,
1297 expr.o, final.o, flow.o, function.o, getpwd.o, global.o,
1298 integrate.o, jump.o, local-alloc.o, loop.o, optabs.o, pexecute.o,
1299 prefix.o, print-rtl.o, print-tree.o, profile.o, real.o, recog.o,
1300 reg-stack.o, regclass.o, regmove.o, reload.o, reload1.o, reorg.o,
1301 rtl.o, rtlanal.o, sdbout.o, stmt.o, stor-layout.o, stupid.o,
1302 tlink.o, toplev.o, tree.o, unroll.o, varasm.o, xcoffout.o): Depend
1305 * alias.c, bitmap.c, c-aux-info.c, c-common.c, c-decl.c,
1306 c-iterate.c, c-lang.c, c-lex.c, c-pragma.c, c-typeck.c,
1307 caller-save.c, calls.c, collect2.c, combine.c, cse.c, dbxout.c,
1308 dwarf2out.c, dwarfout.c, emit-rtl.c, except.c, explow.c, expmed.c,
1309 expr.c, final.c, flow.c, function.c, gcc.c, getpwd.c, global.c,
1310 integrate.c, jump.c, local-alloc.c, loop.c, optabs.c, pexecute.c,
1311 prefix.c, print-rtl.c, print-tree.c, profile.c, real.c, recog.c,
1312 reg-stack.c, regclass.c, regmove.c, reload.c, reload1.c, reorg.c,
1313 rtl.c, rtlanal.c, sched.c, sdbout.c, stmt.c, stor-layout.c,
1314 stupid.c, tlink.c, toplev.c, tree.c, unroll.c, varasm.c,
1315 xcoffout.c: Include system.h. Organize include ordering so
1316 that stdarg/varargs comes before other system headers. Remove
1317 spurious casts of functions assured of a prototype in system.h.
1319 Fri Mar 20 11:19:40 1998 Stan Cox <scox@equinox.cygnus.com>
1321 * reg-stack.c (pop_stack): Define. Pops any register on the
1322 regstack and adjusts regstack.
1323 (compare_for_stack_reg): Use pop_stack.
1325 Thu Mar 19 23:51:01 1998 Jeffrey A Law (law@cygnus.com)
1327 * configure.in (hppa1.0-hp-hpux10): Handle threads for this
1330 Thu Mar 19 20:30:31 1998 Philippe De Muyter <phdm@macqel.be>
1332 * libgcc2.c (exit): Do not call __bb_exit_func if HAVE_ATEXIT.
1334 * fold-const.c (fold): Replace sign-extension of a zero extended
1335 value by a single zero extension.
1337 Thu Mar 19 00:58:07 1998 Jason Merrill <jason@yorick.cygnus.com>
1339 * except.c (init_eh): Do nothing.
1340 (save_eh_status): Call init_eh_for_function, not init_eh.
1341 * function.c (push_function_context_to): Don't call init_emit.
1343 Thu Mar 19 13:39:52 1998 Michael Meissner <meissner@cygnus.com>
1345 * rs6000/sysv4.h (RELATIVE_PREFIX_NOT_LINKDIR): Undef for System V
1348 Thu Mar 19 10:10:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1350 * final.c (shorten_branches): Add parentheses around +/- in
1353 * flow.c (life_analysis): Wrap variable `i' in macro ELIMINABLE_REGS.
1355 Thu Mar 19 09:15:17 1998 Manfred Hollstein <manfred@s-direktnet.de>
1357 * regclass.c (memory_move_secondary_cost): Wrap uses of
1358 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS
1361 Thu Mar 19 09:06:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
1363 * config/m68k/m68k.md (addqi3): Fix typo gen_INT vs. GEN_INT.
1365 * flow.c (life_analysis): #include <sys/types.h> to make sure
1367 * cplus-dem.c (demangle_function_name): Likewise.
1369 Thu Mar 19 09:00:01 1998 Manfred Hollstein <manfred@s-direktnet.de>
1371 * final.c (insn_noperands): Change type to unsigned int.
1372 (final_scan_insn): Likewise for noperands;
1373 properly check operand number boundaries.
1375 Wed Mar 18 16:20:30 1998 Richard Henderson <rth@cygnus.com>
1377 * alpha.md (extzv): Don't reject register operands. Fix
1380 Wed Mar 18 16:14:23 1998 Richard Henderson <rth@cygnus.com>
1382 * dbxout.c (dbxout_function_end): Fix last change. The correct
1383 predicate is ASM_OUTPUT_SECTION_NAME.
1385 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
1387 * sh.md (ashlsi_c-1): Delete 3rd argument to gen_ashlsi_c.
1388 (ashlsi): Use match_dup 1 instead of match_operand 2.
1390 Wed Mar 18 13:46:07 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1392 * fold-const.c (operand_equal_for_comparison_p): See if equal
1393 when nop conversions are removed.
1395 Wed Mar 18 13:42:01 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1397 * expr.c (expand_expr, case COND_EXPR): If have conditional move,
1398 don't use ORIGINAL_TARGET unless REG.
1400 Wed Mar 18 16:53:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1402 * netbsd.h (ASM_OUTPUT_ALIGN): Redefine.
1404 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
1406 * loop.c (struct movable): New field move_insn_first.
1407 (scan_loop): In consec sets code, set it. Clear it otherwise.
1408 (move_movables): In consec sets code, use it. Copy REG_NOTES from
1409 p to i1 only if i1 does not have REG_NOTES. Delete obsolete ifdefed
1412 Wed Mar 18 09:52:56 1998 Richard Henderson <rth@cygnus.com>
1414 * rtl.c (read_rtx): Fall back on homebrew atoll if HOST_WIDE_INT
1415 is large, and the system doesn't provide atoll or atoq.
1418 * alpha/xm-vms.h (HAVE_ATOLL): Define.
1419 Reported by Klaus Kaempf <kkaempf@progis.de>.
1421 Wed Mar 18 09:56:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1423 * c-lang.c (finish_file): Wrap variable `void_list_node' with macro
1424 test !ASM_OUTPUT_CONSTRUCTOR || !ASM_OUTPUT_DESTRUCTOR.
1426 * calls.c (emit_call_1): Wrap variable `already_popped' with macro
1427 test !ACCUMULATE_OUTGOING_ARGS.
1429 * collect2.c (write_c_file_glob): Wrap function definition in
1430 macro test !LD_INIT_SWITCH.
1432 * combine.c (try_combine): Wrap variables `cc_use' and
1433 `compare_mode' in macro test EXTRA_CC_MODES.
1435 * cpplib.c (do_ident): Remove unused variable `len'.
1436 (skip_if_group): Remove unused variables `at_beg_of_line' and
1438 (cpp_get_token): Remove unused variable `dummy'.
1440 * dbxout.c (scope_labelno): Move static variable definition inside
1441 the one function scope where it is used.
1442 (dbxout_function_end): Wrap prototype and definition in
1443 macro test !NO_DBX_FUNCTION_END.
1445 * dwarf2out.c (add_subscript_info): Wrap variable `dimension_number'
1446 in macro test !MIPS_DEBUGGING_INFO.
1448 * expr.c (expand_builtin_setjmp): Move declaration of variable `i'
1449 into the scope where it is used. Wrap empty else-statement body
1452 * fix-header.c: Fix typo in comment.
1453 (inf_skip_spaces): Cast results of INF_UNGET to (void).
1454 (check_protection, main): Likewise.
1456 * flow.c (find_basic_blocks_1): Remove dangling comment text.
1458 * function.c (contains): Wrap prototype and definition in macro
1459 test HAVE_prologue || HAVE_epilogue.
1460 (fixup_var_refs_1): Remove unused variable `width'.
1462 * gen-protos.c (main): Remove unused variable `optr'.
1464 * haifa-sched.c (debug_control_flow): Remove unused variable `j'.
1466 * libgcc2.c (__udiv_w_sdiv): Provide dummy return value of 0.
1467 (__sjpopnthrow): Remove unused variable `jmpbuf'.
1468 (__throw): Remove unused variable `val'.
1470 * protoize.c: Check for a previously existing definition before
1471 defining *_OK macros.
1473 * scan-decls.c (scan_decls): Remove unused variable `old_written'.
1475 Tue Mar 17 00:45:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1477 * vax.h (ADDR_VEC_ALIGN): Define.
1479 Mon Mar 16 15:57:17 1998 Michael Meissner <meissner@cygnus.com>
1481 * gcc.c (default_arg): Don't wander off the end of allocated
1484 (From Geoffrey Keating <geoffk@ozemail.com.au>)
1485 * rs6000.c (small_data_operand): Ensure that any address
1486 referenced relative to the small data area is inside the SDA.
1488 Mon Mar 16 12:55:15 1998 Jim Wilson <wilson@cygnus.com>
1490 * config/m68k/netbsd.h (ASM_SPEC): Add %{m68060}.
1492 Mon Mar 16 15:50:20 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1494 * except.h (in_same_eh_region): New prototype.
1495 (free_insn_eh_region, init_insn_eh_region): New prototypes.
1496 * except.c (insn_eh_region, maximum_uid): New static variables.
1497 (set_insn_eh_region): New static function to set region numbers.
1498 (free_insn_eh_region): New function to free EH region table.
1499 (init_insn_eh_region): New function to initialize EH region table.
1500 (in_same_eh_region): New function used to determine if two rtl
1501 instructions are in the same exception region or not.
1502 * final.c (final): Initialize the table indicating which instructions
1503 belong in which exception region.
1504 * genpeep.c (main): Add "except.h" to include file list in generated
1506 * config/sparc/sparc.md: Add calls to 'in_same_eh_region' in 4
1507 peepholes involving calls and unconditional branches.
1509 Mon Mar 16 11:16:50 1998 Jim Wilson <wilson@cygnus.com>
1511 * README.gnat: New file.
1513 Mon Mar 16 11:14:20 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1515 * config/m68k/m68k.c: Include <stdlib.h> for atoi. Include
1516 "recog.h" for offsettable_memref_p.
1517 (legitimize_pic_address): Remove unused variable `offset'.
1518 (notice_update_cc): Change return type to void. Add default label
1520 (standard_68881_constant_p): Remove unused variable mode.
1521 (print_operand): Define local variable i only if SUPPORT_SUN_FPA.
1522 (const_int_cost): Explicitly declare as returning int.
1523 (output_dbcc_and_branch): Change return type to void.
1525 * config/m68k/linux.h, config/m68k/m68k.md, config/m68k/m68k.c,
1526 config/m68k/m68k.h: Replace gen_rtx (XXX, ...) with gen_rtx_XXX
1527 (...). Use GEN_INT instead of gen_rtx_CONST_INT.
1529 Sun Mar 15 22:30:44 PST 1998 Jeff Law (law@cygnus.com)
1531 * version.c: Bump for snapshot.
1533 Fri Mar 13 11:30:12 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1535 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Fix logic in range
1536 check for 'M' constraint.
1538 Thu Mar 12 14:47:14 1998 Jim Wilson <wilson@cygnus.com>
1540 * cccp.c (create_definition): If pedantic, call pedwarn for macro
1543 Thu Mar 12 13:43:25 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1545 * i386.c (ix86_logical_operator): New function.
1546 (split_di): Ensure that when a MEM is split, the resulting MEMs have
1548 * i386.md (anddi3, xordi3, iordi3): New patterns. Add a define_split
1551 Thu Mar 12 15:13:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1552 Richard Earnshaw <rearnsha@arm.com>
1553 Nick Clifton <nickc@cygnus.com>
1555 * tm.texi (DEFAULT_RTX_COSTS): Document new macro.
1557 * arm.h (DEFAULT_RTX_COSTS): Define instead of RTX_COSTS.
1559 * cse.c (rtx_cost): Provide a default case in an enumeration
1560 switch, and call DEFAULT_RTX_COSTS if it's defined.
1562 Thu Mar 12 10:02:38 1998 Manfred Hollstein <manfred@s-direktnet.de>
1564 * basic-block.h (compute_preds_succs): Change return type in
1566 * flow.c (compute_preds_succs): Likewise in function definition.
1568 * regmove.c (find_matches): Cast char used as array index to unsigned char
1571 Thu Mar 12 09:39:40 1998 Manfred Hollstein <manfred@s-direktnet.de>
1573 * i386.h (RTX_COSTS): Insert braces around nested if.
1574 (ADDITIONAL_REGISTER_NAMES): Insert braces around structured
1577 * gcc.c (default_compilers): Properly put brackets around array elements in
1580 * getopt.c (_getopt_internal): Add explicit braces around nested if;
1583 * reg-stack.c (record_asm_reg_life): Add explicit braces around nested if's.
1584 (record_reg_life_pat): Add explicit parens around && and || in expression.
1585 (stack_reg_life_analysis): Add parens around assignment used as expression.
1586 (convert_regs): Likewise.
1588 Thu Mar 12 09:25:29 1998 Manfred Hollstein <manfred@s-direktnet.de>
1590 * bitmap.c (bitmap_element_allocate): Remove unused parameter;
1591 change callers accordingly.
1593 * cplus-dem.c (arm_special): Remove unused parameter work in prototype
1594 and definition; change all callers accordingly.
1596 * except.c (init_eh): Avoid assignment of unused return value of
1597 build_pointer_type; cast it to void, instead, and remove unused
1600 * gcc.c (lang_specific_driver): Define prototype only #ifdef
1601 LANG_SPECIFIC_DRIVER.
1602 (temp_names): Define only #ifdef MKTEMP_EACH_FILE.
1604 * genoutput.c (output_epilogue): Initialize next_name to 0.
1606 * real.c (efrexp): #if 0 prototype and function definition.
1607 (eremain): Likewise.
1614 * reload.c (push_secondary_reload): Define prototype only
1615 #ifdef HAVE_SECONDARY_RELOADS.
1617 * varasm.c (assemble_static_space): Define rounded only
1618 #ifndef ASM_OUTPUT_ALIGNED_LOCAL.
1620 Thu Mar 12 09:11:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
1622 * i386.md (andsi): Add default case in enumeration switch.
1627 Thu Mar 12 08:37:02 1998 Manfred Hollstein <manfred@s-direktnet.de>
1629 * c-decl (finish_struct): Change type of min_align to unsigned.
1631 * cplus-dem.c (demangle_function_name): Change type of variable i to size_t;
1632 remove unused variable len.
1634 * dwarf2out.c (reg_save): Add explicit cast of -1 to unsigned and a
1635 comment indicating this is proper behaviour.
1636 (reg_loc_descriptor): Remove redundant comparison of unsigned variable
1638 (based_loc_descr): Likewise.
1640 * enquire.c (bitpattern): Change type of variable i to unsigned.
1642 * final.c (output_asm_insn): Don't cast insn_noperands to unsigned.
1644 * flow.c (life_analysis): Change type of variable i to size_t;
1645 remove unused variable insn.
1647 * gcc.c (translate_options): Change type of variables optlen, arglen and
1649 (input_filename_length): Change type to size_t.
1650 (do_spec_1): Change type of variable bufsize to size_t.
1651 (main): Change type of variables i and j to size_t;
1652 remove subblock local definition of variable i.
1653 (lookup_compiler): Change type of second argument to size_t;
1654 change type of variable i to size_t.
1656 * genemit.c (output_init_mov_optab): Change type of variable i to size_t.
1658 * genopinit.c (get_insn): Change type of variable pindex to size_t.
1660 * genrecog.c (add_to_sequence): Change type of variable i to size_t.
1662 * global.c (global_alloc): Change type of variable i to size_t.
1664 * regclass.c (init_reg_sets): Change type of variables i and j to unsigned.
1666 * stmt.c (expand_end_bindings): Change type of variable i to size_t.
1667 (expand_end_case): Change type of variable count to size_t.
1669 * toplev.c (main): Change type of variable j to size_t.
1670 (set_target_switch): Change type of variable j to size_t.
1671 (print_switch_values): Change type of variable j to size_t;
1672 remove unused variable flags.
1674 * varasm.c (assemble_variable): Change type of variable align to size_t.
1675 (const_hash_rtx): Change type of variable i to size_t.
1677 1998-03-11 Mark Mitchell <mmitchell@usa.net>
1679 * dbxout.c (dbxout_type_methods): Only treat TYPE_METHODS as a
1680 TREE_VEC if that's what it really is.
1682 Wed Mar 11 15:16:01 1998 Michael Meissner <meissner@cygnus.com>
1684 * {haifa-,}sched.c (rank_for_schedule): Only take void * arguments
1687 Wed Mar 11 12:05:20 1998 Teemu Torma <tot@trema.com>
1689 * gthr.h: Changed the comment about return values.
1690 * gthr-solaris.h (__gthread_once): Do not use errno; return the
1691 error number instead of -1.
1692 (__gthread_key_create): Any non-zero return value is an error.
1693 * libgcc2.c (eh_context_initialize): Check for non-zero return
1694 value from __gthread_once.
1695 Check that the value of get_eh_context was really changed.
1697 Wed Mar 11 18:26:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1699 * sh.h (LOOP_ALIGN): Only align when optimizing.
1700 * sh.c (find_barrier): Clear inc for CODE_LABELs.
1701 When not optimizing, calculate alignment for BARRIERs directly.
1703 Wed Mar 11 15:07:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1705 * final.c (shorten_branches): Remove conditionalizing on
1706 SHORTEN_WITH_ADJUST_INSN_LENGTH
1707 * sh.h, pa.h (SHORTEN_WITH_ADJUST_INSN_LENGTH): Remove.
1709 Wed Mar 11 02:37:41 1998 Jeffrey A Law (law@cygnus.com)
1711 * flow.c (find_basic_blocks_1): Keep the cfg accurate when removing
1712 an unconditional jump around deleted blocks.
1714 Mon Mar 9 12:02:23 1998 Jim Wilson <wilson@cygnus.com>
1716 * profile.c (branch_prob): If see computed goto, call fatal instead of
1719 * config/mips/sni-svr4.h (CPP_PREDEFINE): Add -DSNI and -Dsinix.
1721 * configure.in (alpha-dec-osf): Add default case for osf* to switch.
1722 Patch from Bruno Haible.
1724 * function.c (put_reg_into_stack): Copy MEM_IN_STRUCT_P from new.
1725 (assign_parms): Set aggregate if hide_last_arg and last_named.
1727 Mon Mar 9 19:57:56 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1729 * final.c (shorten_branches): Initialize insn_addresses.
1731 Mon Mar 9 14:10:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1733 * sh.h (MUST_PASS_IN_STACK): Define.
1735 Sun Mar 8 13:01:56 1998 Jeffrey A Law (law@cygnus.com)
1737 * final.c (shorten_branches): Fix minor logic error in
1738 ADDR_DIFF_VEC shortening support.
1740 Sun Mar 8 02:17:42 PST 1998 Jeff Law (law@cygnus.com)
1742 * version.c: Bump for snapshot.
1744 Sat Mar 7 00:54:15 1998 Jeffrey A Law (law@cygnus.com)
1746 * haifa-sched.c (is_cfg_nonregular): Change return type to
1747 an int. No longer compute "estimated" number of edges. Use
1748 computed_jump_p instead of duplicating the code. Fixup/add
1750 (build_control_flow): Returns a value indicating an irregularity
1751 in the cfg was detected. Count the number of edges in the cfg.
1752 allocate various edge tables.
1753 (find_rgns): No longer look for unreachable blocks.
1754 (schedule_insns): Do not allocate memory for edge tables here.
1755 Free memory for edge tables before returning. Do not perform
1756 cross block scheduling if build_control_flow returns nonzero.
1757 * flow.c (compute_preds_succs): More accurately determine when
1760 * basic-block.h (free_basic_block_vargs): Provide prototype.
1762 * cccp.c (main): Fix dumb mistakes in last change.
1764 Fri Mar 6 21:28:45 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1766 * rtl.h (addr_diff_vec_flags): New typedef.
1767 (union rtunion_def): New member rt_addr_diff_vec_flags.
1768 (ADDR_DIFF_VEC_FLAGS): New macro.
1770 * sh.c (output_branch): Fix offset overflow problems.
1772 * final.c (shorten_branches): Implement CASE_VECTOR_SHORTEN_MODE.
1773 (final_scan_insn): New argument BODY for ASM_OUTPUT_ADDR_DIFF_ELT.
1774 * rtl.def (ADDR_DIFF_VEC): Three new fields (min, max and flags).
1775 * stmt.c (expand_end_case): Supply new arguments to
1776 gen_rtx_ADDR_DIFF_VEC.
1777 * 1750a.h (ASM_OUTPUT_ADDR_DIFF_ELT): New argument BODY.
1778 * alpha.h, arc.h, clipper.h, convex.h : Likewise.
1779 * dsp16xx.h, elxsi.h, fx80.h, gmicro.h, h8300.h : Likewise.
1780 * i370.h, i386.h, i860.h, i960.h, m32r.h, m68k.h, m88k.h : Likewise.
1781 * mips.h, mn10200.h, mn10300.h, ns32k.h, pa.h, pyr.h : Likewise.
1782 * rs6000.h, sh.h, sparc.h, spur.h, tahoe.h, v850.h : Likewise.
1783 * vax.h, we32k.h, alpha/vms.h, arm/aof.h, arm/aout.h : Likewise.
1784 * i386/386bsd.h, i386/freebsd-elf.h : Likewise.
1785 * i386/freebsd.h, i386/linux.h : Likewise.
1786 * i386/netbsd.h, i386/osfrose.h, i386/ptx4-i.h, i386/sco5.h : Likewise.
1787 * i386/sysv4.h, m68k/3b1.h, m68k/dpx2.h, m68k/hp320.h : Likewise.
1788 * m68k/mot3300.h, m68k/sgs.h : Likewise.
1789 * m68k/tower-as.h, ns32k/encore.h, sparc/pbd.h : Likewise.
1790 * sh.h (INSN_ALIGN, INSN_LENGTH_ALIGNMENT): Define.
1791 (CASE_VECTOR_SHORTEN_MODE): Define.
1792 (short_cbranch_p, align_length, addr_diff_vec_adjust): Don't declare.
1793 (med_branch_p, braf_branch_p): Don't declare.
1794 (mdep_reorg_phase, barrier_align): Declare.
1795 (ADJUST_INSN_LENGTH): Remove alignment handling.
1796 * sh.c (uid_align, uid_align_max): Deleted.
1797 (max_uid_before_fixup_addr_diff_vecs, branch_offset): Deleted.
1798 (short_cbranch_p, med_branch_p, braf_branch_p, align_length): Deleted.
1799 (cache_align_p, fixup_aligns, addr_diff_vec_adjust): Deleted.
1800 (output_far_jump): Don't use braf_branch_p.
1801 (output_branchy_insn): Don't use branch_offset.
1802 (find_barrier): Remove checks for max_uid_before_fixup_addr_diff_vecs.
1803 Remove paired barrier stuff.
1804 Don't use cache_align_p.
1805 Take alignment insns into account.
1806 (fixup_addr_diff_vecs): Reduce to only fixing up the base label of
1808 (barrier_align, branch_dest): New function.
1809 (machine_dependent_reorg, split_branches): Remove infrastructure
1810 for branch shortening that is now provided in the backend.
1811 * sh.md (short_cbranch_p, med_branch_p, med_cbranch_p): New attributes.
1812 (braf_branch_p, braf_cbranch_p): Likewise.
1813 (attribute length): Use new attributes.
1814 (casesi_worker): Get mode and unsignednedd from ADDR_DIFF_VEC.
1815 (addr_diff_vec_adjust): Delete.
1816 (align_2): Now a define_expand.
1817 (align_log): Now length 0.
1819 Fri Mar 6 14:41:33 1998 Michael Meissner <meissner@cygnus.com>
1821 * m32r.md (right): Correctly check for length == 2, not 1.
1823 Fri Mar 6 14:00:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1825 * mips/mips.h: Prototype `machine_dependent_reorg'.
1826 (ASM_OUTPUT_ALIGN): Remove unused variable `mask'.
1828 Fri Mar 6 11:43:35 1998 Joern Rennecke (amylaar@cygnus.co.uk)
1830 * final.c (shorten_branches): Restore accidentally removed code.
1832 Fri Mar 6 11:00:49 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1834 * configure.in: Remove duplicate uses of AC_PROG_CC and
1837 Fri Mar 6 00:59:30 1998 Richard Henderson <rth@cygnus.com>
1839 * configure.in (target_cpu_default2): Correct typo for alphapca56.
1841 Thu Mar 5 23:24:50 1998 Jeffrey A Law (law@cygnus.com)
1842 Doug Evans (devans@cygnus.com)
1844 * haifa-sched.c (build_jmp_edges): Delete dead function.
1845 (build_control_flow): Use cfg routines from flow.c
1846 (schedule_insns): Remove debugging code accidentally checked
1849 * basic-block.h: Add external integer list structures, typdefs,
1850 accessor macros and function declarations. Simlarly for
1851 basic block pred/succ support and simple bitmap stuff.
1852 * flow.c: Add functions for integer list, basic block pred/succ
1853 support and simple bitmap support.
1854 (compute_dominators): New function to compute dominators and
1856 (find_basic_blocks): Split into two functions.
1857 (life_analysis): Likewise.
1858 (flow_analysis): Removed. Now handled by calling find_basic_blocks,
1859 the life_analysis from toplev.c
1860 * toplev.c (rest_of_compilation): Call find_basic_blocks, then
1861 life_analysis instead of flow_analysis.
1863 Thu Mar 5 23:06:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1865 * jump.c (jump_optimize): Call mark_jump_label also for deleted
1867 (mark_jump_label): Don't increment ref counts for deleted insns.
1869 Thu Mar 5 09:55:15 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1871 * mips/iris6.h (TARGET_DEFAULT): Parenthesize macro definition.
1873 * mips/mips.c: Include stdlib.h and unistd.h.
1874 (mips_asm_file_end): Add braces around empty body in an if-statement.
1875 (function_prologue): Wrap variable `fnname' in
1876 !FUNCTION_NAME_ALREADY_DECLARED. Correct format specifier in fprintf.
1877 (mips_select_rtx_section, mips_select_section): Declare as void.
1879 * mips/mips.h: Add prototypes for extern functions in mips.c.
1880 (FUNCTION_ARG_REGNO_P): Add parentheses around && within ||.
1881 (ENCODE_SECTION_INFO): Add braces around empty body in an
1884 * mips/mips.md (movdi): Add parentheses around && within ||.
1885 (movsf, movdf): Likewise.
1886 (branch_zero, branch_zero_di): Add default case in
1890 Thu Mar 5 02:45:48 1998 Richard Henderson <rth@cygnus.com>
1892 * alpha/alpha.h (TARGET_WINDOWS_NT, TARGET_OPEN_VMS): Just make them
1893 real constants, since they can't be changed.
1894 (TARGET_AS_CAN_SUBTRACT_LABELS): New.
1895 * alpha/alpha.md (builtin_setjmp_receiver): Use it.
1896 * alpha/osf.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
1897 * alpha/osf2or3.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
1898 * alpha/vms.h (TARGET_OPEN_VMS): New.
1899 * alpha/win-nt.h (TARGET_WINDOWS_NT): New.
1901 Thu Mar 5 02:41:27 1998 Richard Henderson <rth@cygnus.com>
1903 * reload.c (find_reloads): Always force (subreg (mem)) to be
1904 reloaded if WORD_REGISTER_OPERATIONS.
1906 Thu Mar 5 02:14:44 1998 Richard Henderson <rth@cygnus.com>
1908 * haifa-sched.c (free_list): Rename from free_pnd_lst.
1909 (free_pending_lists): Rename free_pnd_lst uses.
1910 (remove_dependence): Place expunged element on unused_insn_list.
1911 (alloc_INSN_LIST, alloc_EXPR_LIST): New. Change all callers of
1912 gen_rtx_*_LIST and alloc_rtx to use them.
1913 (compute_block_backward_dependences): Free the reg_last_* lists.
1915 Thu Mar 5 00:05:40 1998 Jeffrey A Law (law@cygnus.com)
1917 * cccp.c (main): Avoid undefined behavior when setting pend_includes
1920 Wed Mar 4 21:58:25 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
1922 * rs6000/linux.h: don't define DEFAULT_VTABLE_THUNKS to 1 if
1923 USE_GNULIBC_1 is defined
1924 * configure.in: add a new case powerpc-*-linux-gnulibc1 which
1925 includes the t-linux-gnulibc1 fragment
1927 Wed Mar 4 12:11:36 1998 Jim Wilson <wilson@cygnus.com>
1929 * mips.md (movdf_internal1a): Fix misplaced parenthesis in condition.
1931 Wed Mar 4 18:47:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1933 * final.c (final_scan_insn, case CODE_LABEL: Cleanup.
1935 Wed Mar 4 15:51:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1937 * final.c (shorten_branches): Tag the loop alignment onto the
1938 first label after NOTE_INSN_LOOP_BEG even if there is an
1941 Tue Mar 3 21:48:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1943 * final.c (insn_current_reference_address):
1944 Use SEQ instead of BRANCH as argument to align_fuzz, to get a
1945 proper alignment chain.
1947 * final.c (max_labelno): New static variable.
1948 (final_scan_insn): Check max_labelno before outputting an
1949 alignment for a label.
1950 (shorten_branches): Remove unused variable length_align.
1952 Tue Mar 3 14:27:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1954 * sparc.c (ultrasparc_adjust_cost): Add default case in
1957 * sparc.h: Add prototypes for extern functions defined in
1960 Tue Mar 3 10:00:11 1998 Nick Clifton <nickc@cygnus.com>
1962 * toplev.c: Only generate <name>.dbr file when dumping RTL if
1963 DEALY_SLOTS is defined.
1965 Tue Mar 3 07:36:37 1998 Manfred Hollstein <manfred@s-direktnet.de>
1967 * reorg.c (fill_eager_delay_slots): Add new argument delay_list
1968 in call to fill_slots_from_thread.
1970 Mon Mar 2 13:45:03 1998 Richard Henderson <rth@cygnus.com>
1972 * alpha/linux.h (CPP_PREDEFINES): Correct connecting whitespace
1973 to SUB_CPP_PREDEFINES. Reported by asun@saul4.u.washington.edu.
1975 Mon Mar 2 22:59:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1977 * final.c (insn_last_address, insn_current_align, uid_align):
1979 (in_align_chain, align_fuzz, align_shrink_fuzz): New functions.
1980 (insn_current_reference_address): Likewise.
1981 (shorten_branches, final_scan_insn): Implement LABEL_ALIGN,
1982 LABEL_ALIGN_AFTER_BARRIER and LOOP_ALIGN target macros.
1983 (label_to_alignment): New function.
1984 * genattrtab.c (write_test_expr): If one of LABEL_ALIGN,
1985 LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN is defined, call
1986 insn_current_reference_address instead of insn_current_address.
1987 (or_attr_value, write_length_unit_log): New functions.
1988 (main): Call write_length_unit_log.
1989 (write_const_num_delay_slots): Output extra '\n'.
1990 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE):
1992 (LOOP_ALIGN, ALIGN_LABEL_AFTER_BARRIER).
1993 * i386.h, i386/osfrose.h, i386/svr3dbx.h, m68k.h, sparc.h: Likewise.
1994 * arc.h, m32r.h (ASM_OUTPUT_LOOP_ALIGN): replace with:
1996 * i960.h, m88k.h: (ASM_OUTPUT_ALIGN_CODE): Replace with:
1997 (LABEL_ALIGN_AFTER_BARRIER).
1998 * ns32k/encore.h, ns32k/merlin.h, ns32k.h, ns32k/sequent.h: Likewise.
1999 * ns32k/tek6000.h: Likewise.
2000 * i386/gas.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Delete.
2001 * i386.md (casesi+1): Use ASM_OUTPUT_ALIGN instead of
2002 ASM_OUTPUT_ALIGN_CODE.
2004 Mon Mar 2 01:05:50 PST 1998 Jeff Law (law@cygnus.com)
2006 * version.c: Bump for snapshot.
2008 Mon Mar 2 00:52:18 PST 1998 Jeff Law (law@cygnus.com)
2010 * version.c: Bump for snapshot.
2012 Sun Mar 1 18:25:49 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
2014 * reorg.c (fill_slots_from_thread): Don't steal delay list from target
2015 if condition code of jump conflicts with opposite_needed.
2017 * reorg.c (fill_slots_from_thread): Mark resources referenced in
2018 opposite_needed thread. Return delay_list even when cannot get
2019 any more delay insns from end of subroutine.
2021 Sun Mar 1 18:26:21 1998 Ken Rose (rose@acm.org)
2023 * reorg.c (fill_slots_from_thread): New parameter, delay_list.
2024 All callers changed.
2026 Sun Mar 1 18:25:37 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2028 * frame.c (start_fde_sort, fde_split, heapsort, fde_merge,
2029 end_fde_sort): New functions for fast sorting of an FDE array.
2030 (fde_insert): Simplified.
2031 (add_fdes): Change argument list.
2032 (frame_init): Use the new functions.
2034 Sun Mar 1 18:06:21 1998 Jeffrey A Law (law@cygnus.com)
2036 * ginclude/va-ppc.h (va_arg): Fix typo in long long support.
2038 * i386.c (reg_mentioned_in_mem): Fix dangling else statement.
2040 * fold-const.c (fold_range_test): Always return a value.
2042 Sun Mar 1 17:57:34 1998 Mumit Khan <khan@xraylith.wisc.edu>
2044 * config/i386/winnt.c (i386_pe_unique_section): Put read-only
2045 data in the text section unless READONLY_DATA_SECTION is defined.
2047 Sun Mar 1 17:48:46 1998 Jeffrey A Law (law@cygnus.com)
2049 * c-parse.in (undeclared variable error): Tweak error message to
2052 Sun Mar 1 10:22:36 PST 1998 Jeff Law (law@cygnus.com)
2054 * version.c: Bump for snapshot.
2056 1998-02-28 Mark Mitchell <mmitchell@usa.net>
2058 * final.c (final_scan_insn): Undo overzealous removal of `set'.
2060 Sat Feb 28 07:54:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2062 * pa.h (CONST_COSTS): When checking the CONST_DOUBLE enumerated
2063 case, add parentheses to specify the proper order of precedence in
2067 * c-aux-info.c: Include string.h/strings.h.
2069 * pa.c: Include stdlib.h.
2070 (pa_combine_instructions): Prototype the function.
2071 (pa_can_combine_p, forward_branch_p, shadd_constant_p): Likewise.
2072 (reloc_needed): Add default case for enumeration switch.
2073 (remove_useless_addtr_insns): Remove unused variable `all'.
2074 (hppa_expand_prologue): Add explicit braces to avoid
2076 (output_function_epilogue): Remove unused variable `i'.
2077 (output_millicode_call): Remove unused variable `link'.
2078 (shadd_constant_p, forward_branch_p): Make the function static.
2079 (following_call): Explicitly declare to return int.
2080 (pa_reorg): Declare as void.
2081 (pa_combine_instructions): Declare as static void. Add
2082 parentheses around && within ||.
2084 * pa.h: Add prototypes for pa_reorg, symbolic_operand,
2085 following_call, function_label_operand, lhs_lshift_cint_operand
2088 * pa.md: Add parentheses around && within ||.
2090 * cppalloc.c: Include stdlib.h.
2092 * cpperror.c (cpp_print_containing_files): Remove unused variable
2093 `i'. Fix format specifier in fprintf.
2095 * cse.c (cse_around_loop): Add explicit braces to avoid
2097 (delete_dead_from_cse): Wrap variable `tem' in macro HAVE_cc0.
2099 * expr.c (expand_expr): Add parentheses around && within ||.
2101 * final.c (app_enable): Replace fprintf with fputs where there are
2102 no format specifiers and no trailing argument after the string.
2103 Eg, when printing ASM_APP_ON/ASM_APP_OFF.
2104 (app_disable): Likewise.
2105 (final_end_function): Likewise.
2106 (final_scan_insn): Likewise. Remove unused variable `set'.
2107 (profile_function): Wrap empty if-statement body in {} brackets.
2109 * function.c: Include stdlib.h.
2110 (pad_below): Wrap prototype and definition in ARGS_GROW_DOWNWARD.
2111 (reposition_prologue_and_epilogue_notes): Add parentheses
2112 around assignment used as truth value.
2114 * integrate.c (expand_inline_function): Wrap variable
2115 `cc0_insn' in macro HAVE_cc0.
2117 * jump.c (jump_optimize): Wrap variable `q' in macro
2118 HAVE_cc0. Remove unused variable `prev1'.
2120 * libgcc2.c (__bb_exit_trace_func): Add parentheses around &&
2121 within ||. Fix format specifier in fprintf.
2122 (__bb_init_prg): Add parentheses around assignment used as
2125 * local-alloc.c: Include stdlib.h.
2126 (requires_inout): Add parentheses around assignment used
2129 * loop.c (analyze_loop_iterations): Wrap prototype and definition
2130 in macro HAVE_decrement_and_branch_on_count.
2131 (insert_bct, instrument_loop_bct): Likewise.
2132 (move_movables): Add parentheses around assignment used as
2134 (consec_sets_invariant_p): Likewise.
2135 (maybe_eliminate_biv_1): Wrap variable `new' in macro HAVE_cc0.
2137 * objc/objc-act.c: Include stdlib.h.
2138 (lookup_method_in_protocol_list): Wrap empty else-statement body
2140 (lookup_protocol_in_reflist): Likewise.
2141 (objc_add_static_instance): Remove unused variables `decl_expr'
2143 (get_objc_string_decl): Remove unused variable `decl'.
2144 (generate_static_references): Remove unused variables `idecl' and
2146 (check_protocols): Wrap empty else-statement body in braces.
2148 * protoize.c: Include stdlib.h.
2149 (substr): Add parentheses around assignment used as truth value.
2150 (abspath): Likewise.
2151 (shortpath): Likewise.
2153 * regmove.c (fixup_match_1): Add parentheses around assignment
2154 used as truth value.
2156 * reload.c (push_secondary_reload): Remove unused variable `i'.
2157 (find_reloads): Add parentheses around assignment used as truth
2160 * reload1.c: Include stdlib.h.
2162 * rtl.h: Correct typo in prototype of offsettable_memref_p.
2164 * stmt.c (add_case_node): Add parentheses around assignment used
2166 (case_tree2list): Likewise.
2168 * tree.c (valid_machine_attribute): Wrap variable `decl_attr_list'
2169 in macro VALID_MACHINE_DECL_ATTRIBUTE. Wrap variable
2170 `type_attr_list' in macro VALID_MACHINE_TYPE_ATTRIBUTE.
2171 (merge_attributes): Add explicit braces to avoid ambiguous
2174 * unroll.c (copy_loop_body): Wrap variable `cc0_insn' in
2177 * varasm.c: Include stdlib.h.
2180 * system.h: Remove sys/stat.h.
2181 * gcc.c: Add sys/stat.h.
2183 * genattr.c: Wrap prototype of `free' in NEED_DECLARATION_FREE.
2184 * genattrtab.c: Likewise.
2185 * genconfig.c: Likewise.
2186 * genemit.c: Likewise.
2187 * genextract.c: Likewise.
2188 * genflags.c: Likewise.
2189 * genopinit.c: Likewise.
2190 * genoutput.c: Likewise.
2191 * genpeep.c: Likewise.
2192 * genrecog.c: Likewise.
2193 * tlink.c: Likewise. Also wrap `getenv' in NEED_DECLARATION_GETENV.
2195 Fri Feb 27 11:02:47 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2197 * invoke.texi: Use @itemx for a secondary item in a @table.
2199 * config/m68k/m68k.md (movsf+1): Optimize moving a CONST_DOUBLE
2202 Thu Feb 26 00:13:21 1998 Ian Lance Taylor <ian@cygnus.com>
2204 * choose-temp.c: Fix handling of sys/file.h to work in libiberty.
2206 Wed Feb 25 23:40:54 1998 Jeffrey A Law (law@cygnus.com)
2208 * i386.c (struct machine_function): Add new fields for PIC stuff.
2209 (save_386_machine_status): Fix argument to xmalloc. Save pic_label_rtx
2211 (restore_386_machine_status): Corresponding changes.
2212 (clear_386_stack_locals): Also clear pic_label_rtx and pic_label_name.
2214 Wed Feb 25 01:31:40 1998 Jeffrey A Law (law@cygnus.com)
2216 * c-parse.y (undeclared variable error): Tweak error message
2219 Tue Feb 24 23:54:07 1998 Richard Henderson <rth@cygnus.com>
2221 * flags.h (g_switch_value, g_switch_set): Declare.
2222 * alpha.c (override_options): Set g_switch_value=8 if not set.
2223 * alpha/elf.h (CC1_SPEC): New.
2225 (LINK_SPEC): Pass along the -G value we were given.
2226 (LOCAL_ASM_OP): Remove.
2227 (ASM_OUTPUT_ALIGNED_LOCAL): Output to .bss or .sbss by size.
2228 (MAX_OFILE_ALIGNMENT): New.
2229 (BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP): New.
2230 (EXTRA_SECTIONS): Add sbss and sdata.
2231 (SECTION_FUNCTION_TEMPLATE): New.
2232 (EXTRA_SECTION_FUNCTIONS): Use it.
2233 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
2234 (SELECT_SECTION): Use sdata when small enough.
2235 * alpha/linux.h (ASM_SPEC): Remove.
2238 Mon Feb 23 15:09:18 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2239 * config.sub (sco5): Fix typo.
2241 Mon Feb 23 18:19:31 1998 Manfred Hollstein <manfred@s-direktnet.de>
2243 * config/t-linux (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Add macros and
2245 * config/t-linux-aout (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Likewise.
2246 * config/alpha/t-linux: Remove file.
2247 * config/sparc/t-linux: Remove file.
2248 * config/m68k/t-linux (LIBGCC1, CROSS_LIBGCC1): Remove.
2249 * config/m68k/t-linux-aout (LIBGCC1, CROSS_LIBGCC1): Likewise.
2250 * configure.in (alpha*-*-linux-gnulibc1*): Use t-linux instead of alpha/t-linux
2252 (alpha*-*-linux-gnu*): Likewise.
2253 (sparc-*-linux-gnulibc1*): Use t-linux instead of sparc/t-linux for tmake_file.
2254 (sparc-*-linux-gnu*): Likewise.
2256 Mon Feb 23 10:47:39 1998 Robert Lipe <robertl@dgii.com>
2257 * collect2.c (ldd_file_name): Bracket declaration with same
2259 (full_real_ld_suffix): Deleted. Variable was calloced and
2260 written into, but never read.
2262 1998-02-23 Mike Stump <mrs@wrs.com>
2264 * configure.in: Add support for i386-wrs-vxworks configuration.
2265 * i386/vxi386.h: New file.
2267 Sun Feb 22 21:16:51 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2269 * tree.c (contains_placeholder_p): Ensure function always returns
2271 * sparc.md (movdi_sp64_insn): Add default case in enumeration switch.
2272 (movsf_const_insn, movdf_const_insn, movtf_const_insn): Likewise.
2274 Sun Feb 22 20:58:19 1998 Jeffrey A Law (law@cygnus.com)
2276 * vms.h (SELECT_SECTION): Use TREE_CODE_CLASS correctly.
2278 1998-02-22 Paul Eggert <eggert@twinsun.com>
2280 * config/sparc/sol2-sld.h (LINKER_DOES_NOT_WORK_WITH_DWARF2):
2281 Define this new symbol.
2282 (DWARF2_DEBUGGING_INFO, DWARF_DEBUGGING_INFO): Do not #undef.
2283 * toplev.c (main): Do not default to DWARF2_DEBUG with -ggdb if
2284 LINKER_DOES_NOT_WORK_WITH_DWARF2 is defined.
2286 Sun Feb 22 20:07:32 1998 Jim Wilson <wilson@cygnus.com>
2288 * iris5.h (DWARF2_UNWIND_INFO): Define to 0.
2289 * iris5gas.h (DWARF2_UNWIND_INFO): Define to 1.
2291 Sun Feb 22 15:29:48 1998 Richard Henderson <rth@cygnus.com>
2293 * objc/Object.m (-error): Call objc_verror with our va_list.
2295 Sun Feb 22 09:45:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2297 * collect2.c (scan_prog_file): Completely cover uses of variable
2298 `exports' with macro COLLECT_EXPORT_LIST.
2300 Sat Feb 21 20:36:23 1998 Jeff Law (law@cygnus.com)
2302 * version.c: Bump for snapshot.
2304 Fri Feb 20 16:22:13 1998 Michael Meissner <meissner@cygnus.com>
2306 * sched.c (schedule_block): Remove code to get arguments from hard
2307 regs into pseudos early. Same as Aug 25, 1997 change to
2310 1998-02-20 Jason Merrill <jason@yorick.cygnus.com>
2312 * collect2.c (main): Still handle !do_collecting for non-AIX targets.
2314 1998-02-16 Mark Mitchell <mmitchell@usa.net>
2316 * toplev.c (rest_of_compilation): Do not defer the output of a
2319 Fri Feb 20 10:39:47 1998 Michael Tiemann <michael@impact.tiemann.org>
2321 * ginclude/va-mips.h (va_arg): Remove trailing space after '\'
2322 continuation character (line 243).
2324 Fri Feb 20 12:10:26 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2326 * genrecog.c (main): Remove duplicated sentence in emitted comment.
2328 Thu Feb 19 22:36:53 1998 Andrey Slepuhin <pooh@msu.net>
2329 David Edelsohn <edelsohn@mhpcc.edu>
2331 * collect2.c (XCOFF_SCAN_LIBS): Remove.
2332 (export_flag): New variable.
2333 (export_file): #ifdef COLLECT_EXPORT_LIST.
2334 (import_file, exports, imports, undefined): New variables.
2335 (libs, cmdline_lib_dirs, libpath_lib_dirs, libpath, libexts): Same.
2336 (dump_list, dump_prefix_list, is_in_list): New functions.
2337 (write_export_file): $ifdef COLLECT_EXPORT_LIST.
2338 (write_import_file, resolve_lib_name): New functions.
2339 (use_import_list, ignore_library): Same.
2340 (collect_exit): maybe_unlink import_file and #ifdef.
2342 (main): New variable importf, #ifdef exportf. Move parsing of
2343 -shared before general argument parsing. Resolve AIX library
2344 paths and import libgcc.a symbols. Treat .so shared libraries the
2345 same as objects and .a libraries. Create alias for object_lst and
2346 increment it instead of original pointer. Scan AIX libraries as
2347 objects earlier instead of using scan_libraries. Perform AIX
2348 tlink later to resolve templates instead of forking ld.
2349 (GCC_OK_SYMBOL): Ensure symbol not in undef section.
2350 (GCC_UNDEF_SYMBOL): New macro.
2351 (scan_prog_file): Loop for members of AIX libraries. Handle
2352 export/import of ctors/dtors.
2353 (aix_std_libs): New variable.
2354 (scan_libraries, XCOFF): Delete.
2356 Thu Feb 19 22:36:52 1998 Robert Lipe <robertl@dgii.com>
2358 * collect2.c (full_real_ld_suffix): #ifdef CROSS_COMPILE.
2360 1998-02-19 Mike Stump <mrs@wrs.com>
2362 * Makefile.in: Use $tooldir for sys-include to match toplevel
2365 Thu Feb 19 01:32:37 1998 Jeffrey A Law (law@cygnus.com)
2366 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2368 * emit-rtl.c (gen_lowpart_common): Suppress last change if __complex__.
2370 * emit-rtl.c (hard-reg-set.h): Include.
2371 (get_lowpart_common): Don't make new REG for hard reg in a
2372 class that cannot change size.
2373 * Makefile.in (emit-rtl.o): Depend on hard-reg-set.h.
2375 * combine.c: Revert previous patch.
2377 1998-02-19 Paul Eggert <eggert@twinsun.com>
2379 * config/sparc/sol2-sld.h: New file.
2380 * configure.in (sparc-*-solaris2*): Use it when using the
2383 Thu Feb 19 00:46:59 1998 Jeffrey A Law (law@cygnus.com)
2385 * loop.c (force_movables): Fix typo.
2387 Thu Feb 19 08:26:30 1998 Manfred Hollstein <manfred@s-direktnet.de>
2389 * m88k.h: Change file pattern to match reality.
2391 Wed Feb 18 23:19:52 1998 Jeffrey A Law (law@cygnus.com)
2393 * varasm.c (output_constant_pool): Fix dumb thinko in last
2396 * pa.h (ASM_OUTPUT_FUNCTION_PREFIX): Correctly translate from
2397 a function name to a section name.
2399 1998-02-18 Doug Evans <devans@cygnus.com>
2401 * tree.h (merge_machine_{type,decl}_attributes): Declare.
2402 (split_specs_attrs, strip_attrs): Add prototypes.
2403 * tree.c (merge_machine_{type,decl}_attributes): New functions.
2404 * c-decl.c (duplicate_decls): Call merge_machine_decl_attributes.
2405 Update olddecl's attributes too.
2406 * c-common.c (strip_attrs): New function.
2407 * c-typeck.c (common_type): Call merge_machine_type_attributes.
2408 * varasm.c (make_function_rtl): New target macro REDO_SECTION_INFO_P.
2409 (make_decl_rtl): Likewise.
2411 1998-02-18 Jim Wilson <wilson@cygnus.com>
2413 * c-decl.c (shadow_tag_warned): Call split_specs_attrs.
2415 Wed Feb 18 09:09:50 1998 Jeffrey A Law (law@cygnus.com)
2417 Remove this change until we can fix it correctly.
2418 * collect2.c: Bracket declaration of 'exportf' and
2419 'full_real_ld_suffix'.
2421 Wed Feb 18 08:44:25 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
2423 * Makefile.in (STAGESTUFF): Add genrtl.c, genrtl.h and gengenrtl.
2425 Tue Feb 17 23:30:20 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
2427 * c-common.c (c_expand_start_cond, c_expand_end_cond,
2428 c_expand_start_else): Don't warn about non-ambiguous else even if
2431 Tue Feb 17 23:56:50 1998 Robert Lipe <robertl@dgii.com>
2433 * sco5.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT,
2434 ASM_OUTPUT_LONG_DOUBLE): Delete. Use the ones from i386.h
2437 Tue Feb 17 22:56:14 1998 Richard Henderson <rth@cygnus.com>
2439 * combine.c (simplify_rtx): Obey CLASS_CANNOT_CHANGE_SIZE when
2440 simplifying a subreg of a hard reg.
2441 (expand_compound_operation): Likewise.
2442 (force_to_mode): Likewise.
2444 Tue Feb 17 22:37:22 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2446 * fold-const.c: Include "system.h" to get stdlib.h and stdio.h.
2447 (lshift_double): Add parentheses around + or - inside shift.
2448 (rshift_double): Likewise.
2449 (size_int_wide): Explicitly set type of `bit_p' to `int'.
2451 * Makefile.in (fold-const.o): Depend on system.h.
2453 * Makefile.in (gcc.o): Depend on system.h, in accordance with last
2456 * haifa-sched.c: Include "system.h" to get <stdlib.h> and <stdio.h>.
2457 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
2458 (sched_note_set): Remove unused parameter `b', all callers changed.
2459 (schedule_block): Likewise for `rgn'.
2460 (split_hard_reg_notes): Likewise for `orig_insn'.
2461 (check_live): Likewise for `trg'.
2462 (update_live): Likewise.
2463 (check_live_1): Explcitly declare variable `i' as int.
2464 (update_live_1): Likewise.
2465 (insn_issue_delay): Remove unused variable `link'.
2466 (sched_analyze_2): Add default case in enumeration switch.
2467 (schedule_insns): Remove unused variable `i'.
2469 * Makefile.in ($(SCHED_PREFIX)sched.o): Depend on system.h.
2471 Tue Feb 17 22:31:04 1998 Jeffrey A Law (law@cygnus.com)
2473 * loop.c (rtx_equal_for_loop_p): Add some braces to disambiguate
2474 a dangling else clause.
2476 Tue Feb 17 21:28:12 1998 Gavin Koch <gavin@cygnus.com>
2478 * mips/mips.h (CAN_ELIMINATE): Don't eliminate the frame
2479 pointer for the stack pointer in MIPS16 and 64BIT.
2481 Tue Feb 17 21:17:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2483 * rtl.h (force_line_numbers, restore_line_number_status): Declare.
2484 * emit-rtl.c (force_line_numbers, restore_line_number_status):
2486 * stmt.c (struct nesting): Replace seenlabel with line_number_status.
2487 (expand_start_case): Adjust to this change.
2488 (check_seenlabel): New function.
2489 (pushcase, pushcase_range, expand_endcase): Use it.
2491 Tue Feb 17 10:14:32 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2493 * i386.md (adddi3): Add =!r,0,0,X alternative.
2495 Mon Feb 16 16:13:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
2497 * rs6000.h (MY_ISCOFF): Add numeric value of U803XTOCMAGIC.
2498 * x-aix31 (INSTALL): Delete.
2500 Mon Feb 16 09:24:32 1998 Gavin Koch <gavin@cygnus.com>
2502 * mips/mips.c (mips_expand_epilogue): Update tsize_rtx if
2503 tsize changes to something other than zero.
2505 Mon Feb 16 09:11:48 1998 Gavin Koch <gavin@cygnus.com>
2507 * ginclude/va-mips.h: Replace casts of pointers to int with
2508 casts of pointers to __PTRDIFF_TYPE__.
2510 Mon Feb 16 08:17:14 1998 John Carr <jfc@mit.edu>
2512 * loop.c (strength_reduce, record_biv, record_giv): Use
2513 HOST_WIDE_INT_PRINT_DEC to print CONST_INT values.
2515 1998-02-16 Jason Merrill <jason@yorick.cygnus.com>
2517 * tree.c (first_rtl_op): New fn.
2518 (unsave_expr_now): Use it.
2519 * print-tree.c (print_node): Likewise.
2520 * tree.c (has_cleanups): New fn.
2521 * fold-const.c (fold, case CLEANUP_POINT_EXPR): Use it. Be more
2522 conservative about pushing the cleanup point down.
2523 * tree.h: Declare them.
2525 Sun Feb 15 23:28:44 1998 Jeffrey A Law (law@cygnus.com)
2527 * toplev.c (flag_schedule_reverse_before_reload): Delete variable.
2528 (flag_schedule_reverse_after_reload): Likewise.
2529 (f_options): Remove reverse scheduling support.
2530 * flags.h (flag_schedule_reverse_before_reload): Delete declaration.
2531 (flag_schedule_reverse_after_reload): Likewise.
2532 * haifa-sched.c (rank_for_schedule): Remove support for reverse
2535 Sun Feb 15 21:33:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2537 * gcc.c: Get system includes, prototypes and macros via "system.h"
2538 instead of doing it manually. Change all calls of the ctype
2539 macros to custom versions defined in "system.h".
2541 * system.h: Fix return type of bcmp prototype from `void' to `int'.
2542 Make bcopy, bcmp and bzero prototypes explicitly `extern'.
2543 Add a prototype for getenv.
2545 Sun Feb 15 17:05:41 1998 Jim Wilson <wilson@cygnus.com>
2547 * mips/mips.h (INITIAL_ELIMINATION_OFFSET): Readd Jun 6 change.
2549 Sun Feb 15 15:23:15 1998 John Carr <jfc@mit.edu>
2551 * alias.c: Include <stdlib.h> and <string.h>.
2552 (init_alias_analysis): Pass NULL_RTX instead of 0 to record_set.
2554 Sat Feb 14 11:23:09 PST 1998 Jeff Law (law@cygnus.com)
2556 * version.c: Bump for snapshot.
2558 Sat Feb 14 05:08:21 1998 Richard Earnshaw (rearnsha@arm.com)
2560 * arm.md (movsfcc): Also validate operands[3] when compiling hard
2562 (movdfcc): Only accept fpu_add_operand for operands[3].
2564 * arm/t-semi (STMP_FIXPROTO): Define to nothing.
2565 * arm/t-semiaof (STMP_FIXPROTO): Likewise.
2567 Sat Feb 14 02:02:41 1998 Jeffrey A Law (law@cygnus.com)
2569 * varasm.c (output_constant_pool): Bring back 'done' label inside
2570 an appropriate #ifdef.
2572 * bitmap.c (bitmap_element_allocate): Wrap variable 'i' in an
2574 (bitmap_copy, bitmap_operation): Likewise.
2575 * combine.c (combinable_i3pat): Similarly for 'src'.
2576 * function.c (fixup_var_refs_1): Similarly for 'outerdest'.
2577 (locate_and_pad_parm): Similarly for 'reg_parm_stack_space'.
2578 * regclass.c (copy_cost): Similarly for 'secondary_class'.
2579 * reload.c (make_memloc): Simliarly for 'i'.
2580 (find_reloads_address_1): Similarly for 'link'.
2581 * reload1.c (reload): Similarly for 'previous_frame_pointer_needed'.
2582 (emit_reload_insns): Similarly for 'second_reloadreg'.
2583 * unroll.c (iteration_info): Similarly for 'v'.
2585 * caller-save.c (insert_save_restore): Remove unused variable 'i'.
2586 * calls.c (expand_call): Similarly for 'i'.
2587 (emit_library_call, emit_library_call_value): Similarly for 'mode'.
2588 * fold-const.c (strip_compund_expr): Similarly for 'type'.
2589 * function.c (fixup_var_refs_1): Similarly for 'width'.
2590 (fixup_memory_subreg): Similarly for 'saved'.
2591 (locate_and_pad_parm): Similarly for 'boundary_in_bytes.'
2592 (setjmp_protect): Similarly for 'sub'.
2593 (thread_prologue_and_epilogue_insns): Similarly for 'insn'.
2594 * loop.c (record_giv): Similarly for 'p'.
2595 (combine_givs): Similarly for 'temp_iv'.
2596 (indirect_jump_in_function_p): Similarly for 'is_indirect_jump'.
2597 * recog.c (validate_replace_rtx_1): Similarly for 'width'.
2598 * tree.c (get_set_constructor_bytes): Similarly for 'vals'.
2599 * unroll.c (unroll_loop): Similarly for 'copy'.
2600 (iteration_info): Similarly for 'b'.
2601 * varasm.c (assemble_string): Similarly for 'i'.
2602 * i386.h (LEGITIMIZE_ADDRESS): Similarly for 'orig_x'.
2604 1998-02-13 Martin von Loewis <loewis@informatik.hu-berlin.de>
2606 * c-lang.c (lang_print_xnode): New function.
2607 * objc/objc-act.c (lang_print_xnode): Likewise.
2608 * print-tree.c (print_node): Call it
2610 Fri Feb 13 14:38:34 1998 Jim Wilson <wilson@cygnus.com>
2612 * dwarf2out.c (decl_scope_node): New type.
2613 (decl_scope_table): Change type to use it.
2614 (decl_scope_table_allocated, decl_scope_depth): Change type to int.
2615 (push_decl_scope): Use new type. New locals containing_scope, i.
2616 Add code to handle setting previous field.
2617 (scope_die_for): Change type of local i to int. Add code to use
2619 (dwarf2out_init): Use new type.
2621 1998-02-13 Jason Merrill <jason@yorick.cygnus.com>
2623 * except.c (emit_throw): Lose throw_used.
2625 Fri Feb 13 20:36:05 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2627 * sched.c (update_flow_info, REG_WAS_0): Ignore if setting insn
2629 * haifa-sched.c (update_flow_info, REG_WAS_0): Likewise.
2631 Fri Feb 13 12:18:40 1998 Jeffrey A Law (law@cygnus.com)
2633 * genextract.c (main): Fix typo.
2635 Fri Feb 13 08:41:49 1998 Robert Lipe <robertl@dgii.com>
2637 * c-lang.c (finish_file): Bracket declaration of static_ctors,
2640 * calls.c (expand_call): Bracket declaration of 'rtx_before_call',
2641 'old_stack_arg_under_construction'
2642 (emit_library_call): Bracket declaration of 'upper_bound',
2643 'lower_bound', 'i', 'reg_parm_stack_space'
2644 (emit_library_call_value): Likewise.
2647 * collect2.c: include <unistd.h> when appropriate.
2648 Bracket declaration of 'exportf' and 'full_real_ld_suffix'.
2650 * emit-rtl.c (prev_cc0_setter): Remove unused variable 'link'.
2652 * explow.c (plus_constant_for_output_wide): Remove unused variable
2654 (memory_address): Remove unused variable 'orig_x'.
2656 * genattrtab.c (make_canonical): Remove unreferenced label 'cond:'.
2657 (write_const_num_delay_slots): Remove unused variable 'i'.
2659 * genopinit.c (main): Remove unused variables 'dummy', 'insn_ptr'.
2660 (gen_insn): Remove unused variable 'obstack_ptr'.
2662 * libgcc2.c (__bb_exit_func): Remove unused variables 'ret',
2664 (__bb_exit_trace_func): Remove unused variable 'e'.
2666 * optabs.c (expand_binop): remove unused variables 'lhs', 'rhs',
2668 (expand_unop): Remove unused variable 'funexp'.
2669 (expand_complex_abs): Remove unused variable 'funexp'.
2670 (init_optabs): Bracket declaration of 'j'.
2671 (init_complex_libfuncs): Deleted. Dead static function.
2673 * profile.c (branch_prob): Remove unused variables 'insn', 'dest'.
2675 * reg-stack.c: Fix typo in proto for 'get_asm_operand_lengths'
2676 (reg_to_stack): 'initialized', 'before_function_beg'
2677 explictly type as ints instead of defaulting.
2678 (emit_swap_insn): Remove unused variable 'i2'.
2679 (compare_for_stack_reg): Remove unused variable 'src_note'.
2681 * rtlanal.c (computed_jump_p): Remove unused variable 'computed_jump'.
2683 * sched.c (actual_hazard): Bracket declaration of 'this_cost'.
2685 * stmt.c (add_case_node): Add parens for assignment used as truth.
2686 (all_cases_count): Remove unused variable 'count_high'.
2687 (mark_seen_cases): Remove unused variable 'i'.
2688 (check_for_full_enumeration_handling): Remove unused variable 't'.
2689 Bracket declaration of 'all_values', 'l'.
2691 * tlink.c: Include <stdlib.h>, <unistd.h>, <string.h>/<strings.h>.
2693 * varasm.c (assemble_string): Remove unused variable 'i'.
2694 (immed_double_const): Remove unused variable 'in_current_obstack'.
2695 (immed_real_const_1): Likewise.
2696 (output_constant_pool): Remove unreferenced label 'done'.
2697 (output_constant): Remove unused variable 'x'.
2699 * i386/i386.h (ENCODE_SECTION_INFO): TREE_PUBLIC is an int, not
2702 * i386/sco5.h (ASM_OUTPUT_ASCII): Add parens for assignment used
2705 Fri Feb 13 10:21:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2707 * combine.c (can_combine_p): Handle USEs in PARALLELs.
2709 Fri Feb 13 01:34:14 1998 H.J. Lu (hjl@gnu.org)
2711 * config/linux.h (LIB_SPEC): Add -lc for -shared if
2712 USE_GNULIBC_1 is not defined.
2713 * config/sparc/linux.h; Ditto.
2715 * config/sparc/linux64.h (LIB_SPEC): Add -lc for -shared.
2717 * config/alpha/linux-elf.h (LIB_SPEC): New. Defined if
2718 USE_GNULIBC_1 is not defined.
2720 Fri Feb 13 01:29:29 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
2722 * rs6000/sysv4.h (ENDFILE_SPEC): add missing %(endfile_linux)
2725 Fri Feb 13 01:23:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2727 * system.h: New file to get common systems includes and various
2728 definitions and declarations based on autoconf macros.
2730 Fri Feb 13 00:46:19 1998 Jeffrey A Law (law@cygnus.com)
2732 * cccp.c (new_include_prefix): Correctly handle -I./.
2734 Thu Feb 12 20:16:35 1998 Michael Meissner <meissner@cygnus.com>
2736 * rs6000.md: Replace gen_rtx (CONST_INT,...) with GEN_INT.
2738 Thu Feb 12 16:45:17 1998 Robert Lipe <robertl@dgii.com>
2740 * expr.c (expand_assignment): Correct typo exposed by -Wall.
2741 offset should have been a truth value, not an assignment.
2743 Thu Feb 12 15:26:50 1998 Jeffrey A Law (law@cygnus.com)
2745 * cse.c (delete_dead_from_cse): If a libcall produces a constant
2746 result and that result can be substituted into SET_SRC of the
2747 insn with the REG_RETVAL note, then perform the substitution
2748 and delete the libcall.
2750 Thu Feb 12 14:04:09 1998 Gavin Koch <gavin@cygnus.com>
2752 * mips.md (trucndihi2,truncdiqi2): Change these to support
2755 Thu Feb 12 11:34:55 1998 Gavin Koch <gavin@cygnus.com>
2757 * mips/mips.c (movdi_operand): Direct referances to symbols
2758 that arn't mips16 consts in mips16 mode arn't valid operands.
2760 * mips/mips.c (mips_move_2words): Add gprel handling.
2762 Thu Feb 12 11:18:37 1998 Gavin Koch <gavin@cygnus.com>
2764 * mips.md (extendsidi2): Allow extension to/from a non-mips16
2767 Thu Feb 12 00:04:16 1998 Marc Lehmann <pcg@goof.com>
2769 * i386.c: Conditionally include <stdlib.h>, <string.h>, and
2772 Wed Feb 11 11:43:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2774 * Makefile.in (WARN_CFLAGS): New variable.
2775 (bootstrap, bootstrap2, bootstrap3, bootstrap4): Use it.
2777 1998-02-11 Mark Mitchell <mmitchell@usa.net>
2779 * config/i386/i386.c (reg_mentioned_in_mem): Don't abort when
2780 falling through default case in switch.
2781 (i386_aligned_p): Likewise.
2783 Wed Feb 11 12:59:56 1998 Lee Iverson <leei@Canada.AI.SRI.COM>
2785 * mips/mips.h (mips_abi_string): Correct typo in comment.
2787 Wed Feb 11 08:29:56 1998 Gavin Koch <gavin@cygnus.com>
2789 * mips/mips.md (movdi): These PLUS's need to be Pmode.
2791 Wed Feb 11 01:47:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2793 * Makefile.in (dwarf2out.o, emit-rtl.o, jump.o, cse.o, unroll.o,
2794 reorg.o, regmove.o): Depend on insn-codes.h, it gets included
2795 indirectly via expr.h.
2797 Wed Feb 11 01:44:13 1998 Richard Henderson <rth@cygnus.com>
2799 * stor-layout.c (layout_type): Do upper - lower in the native type,
2800 so as to properly handle negative indices.
2802 Wed Feb 11 01:35:55 1998 Robert Lipe <robertl@dgii.com>
2804 * except.c (start_dynamic_cleanup): Remove unused variable 'dhc'.
2805 (expand_eh_region_start_tree): Remove unused variable 'note'.
2806 (exception_optimize): Remove unused variable 'regions'.
2807 (expand_builtin_eh_stub): Remove unused variable 'temp'.
2808 (copy_eh_entry): Deleted. Dead function.
2810 * expr.c (move_block_to_reg) Bracket declaration of 'pat' and
2811 'last' with same #if HAVE_load_multiple as use of it.
2812 (move_block_from_reg): Likewise.
2813 (emit_move_insn_1): Remove unused variable 'insns'.
2814 (store_constructor): Bracket declaration of startb, endb with
2815 #if TARGET_MEMFUNCTIONS. Remove unused variables 'set_word_size'
2816 'target', and 'xtarget'.
2817 (expand_builtin_setjmp): Remove unused variables 'op0',
2818 'next_arg_reg', 'old_inhibit_defer_pop'.
2819 (expand_builtin): Remove unused variable 'offset'.
2820 (do_store_flag): Remove unused variables 'pattern', 'jump_pat'.
2821 (emit_queue): Add parens for assignment used as conditional.
2822 (expand_expr): case TARGET_EXPR: Remove unused variable 'temp'.
2824 Wed Feb 11 01:30:49 1998 Marc Lehmann <pcg@goof.com>
2826 * i386.c: Added include for recog.h.
2827 (override_options): Removed unused variable p. Initialized regno to
2829 (order_regs_for_local_alloc): Initialized regno to avoid warning.
2830 (legitimize_address): Likewise for 'other'.
2831 (i386_aligned_reg_p): Added default case with abort ().
2832 (print_operand): Likewise.
2833 (reg_mentioned_in_mem): Likewise.
2834 (ix86_expand_binary_operator): Removed unused variables i & insn.
2835 (ix86_expand_unary_operator): Removed unused variable insn.
2836 (output_fp_cc0_set): Removed unused variable unordered_label.
2838 Wed Feb 11 01:23:03 1998 John F. Carr <jfc@mit.edu>
2840 * i386.c, i386.h, i386.md: Change gen_rtx (X, ...) to gen_rtx_X (...).
2841 Use GEN_INT instead of gen_rtx (CONST_INT). Make printf arguments
2842 and format string match.
2844 Wed Feb 11 01:17:39 1998 Jeffrey A Law (law@cygnus.com)
2846 * flow.c (life_analysis): Do not conside the stack pointer live at
2847 the end of a function if the fucntio ncalls alloca.
2848 (mark_used_regs): Similarly.
2850 1998-02-10 John F Carr <jfc@mit.edu>
2852 * config/sparc/sparc.md (movdi_v8plus): Output stx on alternative
2853 1, fzero on alternative 8.
2855 Tue Feb 10 09:02:19 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2857 * rs6000.c (setup_incoming_varargs): Always set rs6000_sysv_varargs_p.
2859 Tue Feb 10 03:35:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2861 * reload.c (find_reloads_toplev): Handle arbitrary non-paradoxical
2862 SUBREGs of CONST_INTs.
2864 Mon Feb 9 17:52:36 1998 John Carr <jfc@mit.edu>
2866 * mips.c (print_operand, function_prologue): Make printf format
2867 match argument type.
2869 Mon Feb 9 02:37:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2871 * alpha.c (alpha_return_addr): Remove unused variable `first'.
2872 (alpha_ra_ever_killed): Remove unused variables `ra' and `i'.
2873 (output_epilog): Remove unused variable `frame_size_from_reg_save'.
2875 Sun Feb 8 14:56:03 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2877 * loop.c (strength_reduce): When placing increment for auto-inc
2878 case, do comparison in loop order.
2880 Sun Feb 8 13:21:38 1998 John Carr <jfc@mit.edu>
2882 * bitmap.c (bitmap_debug_file): HOST_PTR_PRINTF converts a pointer,
2883 not a HOST_WIDE_INT.
2885 * calls.c (expand_call): Change test of expand_inline_function
2886 return value to stop compiler warning.
2888 * genattrtab.c (RTL_HASH): Cast pointer to long, not HOST_WIDE_INT.
2890 Sun Feb 8 12:04:24 1998 Jim Wilson (wilson@cygnus.com)
2891 Jeff Law (law@cygnus.com)
2893 * regmove.c: Fix various minor formatting problems.
2894 (optimize_reg_copy_1): Stop search at CALL_INSNs if flag_exceptions
2895 is true. Make end of basic block tests consistent through regmove.c.
2896 (optimize_reg_copy_2, optimize_reg_copy_3): Likewise.
2897 (fixup_match_2, fixup_match_1, regmove_optimize): Likewise.
2899 Sun Feb 8 01:49:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2901 * gansidecl.h: Check for a conflicting macro definition before
2902 attempting to prototype bcopy, bcmp or bzero.
2904 Sun Feb 8 00:09:59 1998 Jeffrey A Law (law@cygnus.com)
2906 * expr.c (clear_pending_stack_adjust): Handle case where a function
2907 calls alloca, but the user has specified -fomit-fframe-pointer.
2909 * function.c (assign_parms): Fix typo in last change.
2911 Sat Feb 7 23:54:29 1998 Robert Lipe <robertl@dgii.com>
2913 * gcc.c: Include <strings.h>/<string.h>, <stdlib.h>, <unistd.h>,
2915 (free_path_suffix): Remove unreferenced static function.
2916 (process_command): Remove unused variable temp.
2917 (default_arg): Remove unused variable i.
2918 (do_spec_1): Add parens for assignment used as truth value.
2920 (validate_all_switches): Likewise.
2921 (main): Remove unused variables i, first_time>
2923 * c-common.c: Include <stdlib.h> and <string.h>/<strings.h>.
2925 * calls.c (expand_call): Remove unused variables funtree,
2926 n_regs, and tmpmode.
2928 * dbxout.c, except.c: Include <string.h>/<strings.h>.
2930 * explow.c: (plus_constant_for_output_wide) Removed unused
2931 variable all_constant.
2933 * c-decl.c, genattr.c, genattrtab.c, getconfig.c, genemit.c
2934 genextract.c, genflags.c, genopinit.c genoutput.c, genpeep.c,
2935 genrecog.c, global.c, integrate.c , stupid.c : Include
2938 * genextract.c: (walk_rtx) Remove unused variable link.
2940 * genrecog.c: (concat) Remove unreferenced static function.
2942 * prefix.c: Include <string.h>/<strings.h>, <stdlib.h>
2944 * stmt.c: Include <stdlib.h>.
2945 (expand_asm_operands): Remove unused variable val1.
2946 (expand_return): Remove unused variable block.
2947 (pushcase): Remove unused variables l and n.
2948 (pushcaserange): Likewise.
2950 * unroll.c (unroll_loop): Remove unused variable temp.
2952 Sat Feb 7 23:46:09 1998 Greg McGary <gkm@gnu.org>
2954 * c-decl.c (pushdecl): Set DECL_ORIGINAL_TYPE once only.
2956 Sat Feb 7 15:11:28 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2958 * aclocal.m4 (GCC_FUNC_PRINTF_PTR): New macro to test the printf
2959 functions for whether they support the %p format specifier.
2960 * acconfig.h (HOST_PTR_PRINTF): Insert stub for autoconf.
2961 * configure.in (GCC_FUNC_PRINTF_PTR): Use it.
2962 * configure, config.in: Rebuild.
2964 Fri Feb 6 14:20:16 1998 Jim Wilson <wilson@cygnus.com>
2966 * function.c (assign_parms): New variable named_arg, with value
2967 depending on STRICT_ARGUMENT_NAMING. Use instead of ! last_named.
2969 Fri Feb 6 14:34:28 1998 Gavin Koch <gavin@cygnus.com>
2971 * mips/t-r3900: New - same as t-ecoff but eliminate
2972 multilibs: mips1 and mips3.
2973 * configure.in (tx39*): Use new mips/t-r3900.
2974 * configure: Rebuild.
2975 * mips/r3900.h (MULTILIB_DEFAULTS): Eliminate mips1.
2977 1998-02-06 Jason Merrill <jason@yorick.cygnus.com>
2979 * dwarf2out.c: Add old_args_size.
2980 (dwarf2out_args_size): Use it.
2981 (dwarf2out_begin_prologue): Initialize it.
2982 (dwarf2out_stack_adjust): If !asynchronous_exceptions, save up
2983 pushed args until we see a call.
2984 * final.c (final_scan_insn): Hand CALL_INSNs off to the dwarf2 code
2985 before outputting them.
2987 1998-02-06 Kriang Lerdsuwanakij <lerdsuwa@scf.usc.edu>
2989 * cplus-dem.c (demangle_template_template_parm): New function.
2990 (demangle_template): Handle template template parameters.
2992 1998-02-02 Mark Mitchell <mmitchell@usa.net>
2994 * calls.c (expand_call): Don't confuse member functions named
2995 realloc, setjmp, and so forth with the standard library
2996 functions of the same names.
2998 Thu Feb 5 21:59:49 1998 Jeffrey A Law (law@cygnus.com)
3000 * stmt.c (expand_asm_operands): Correctly identify asm statements
3003 Thu Feb 5 21:56:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
3005 * c-common.c (decl_attributes): Flag unrecognized attribute
3006 functions as warnings instead of as errors.
3008 1998-02-05 Marc Lehmann <pcg@goof.com>
3010 * integrate.c (INTEGRATE_THRESHOLD): Inline only small functions
3011 when -Os is specified.
3012 * toplev.c (main): Don't disable flag_inline_functions anymore when
3015 Fri Feb 6 00:27:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3017 * regmove.c: Update.
3018 * flags.h (flag_regmove): Declare.
3019 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Don't declare.
3020 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2):
3021 Moved into regmove; changed caller.
3022 * toplev.c (rest_of_compilation): Call regmove_optimize also for
3023 expensive_optimizations.
3025 Thu Feb 5 13:38:42 PST 1998 Jeff Law (law@cygnus.com)
3027 * version.c: Bump for snapshot.
3029 Thu Feb 5 01:45:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3030 Undo this change (the problem was actually in reload):
3031 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3033 * sh.md (movqi_i+1): New peephole.
3035 Tue Feb 3 01:11:12 1998 Jeffrey A Law (law@cygnus.com)
3037 * jump.c (jump_optimize): Lose calls to modified_in_p they are
3038 not needed anymore due to changes elsewhere in jump.c.
3040 * jump.c (jump_optimize): Fix first arg to modified_in_p in
3043 Mon Feb 2 19:18:14 1998 Richard Henderson <rth@cygnus.com>
3045 * expr.c (expand_builtin_setjmp): Accept two new arguments for
3046 the labels to branch to on first and subsequent executions. Don't
3047 play with __dummy. Rename `setjmp' insn to `builtin_setjmp_setup',
3048 and provide it with the jmp_buf. Use only one of
3049 `builtin_setjmp_receiver' or `nonlocal_goto_receiver',
3050 and provide the former with the target label.
3051 (expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp.
3052 (expand_builtin) [BUILTIN_LONGJMP]: Split out to ...
3053 (expand_builtin_longjmp): ... here. Recognize a `builtin_longjmp'
3054 insn to replace all of the normal nonlocal_goto code. Don't play
3055 with __dummy. Correct arguments to nonlocal_goto.
3056 * expr.h (expand_builtin_setjmp): Update prototype.
3057 * except.c (start_dynamic_handler): When using builtin_setjmp,
3058 generate more accurate flow information.
3060 * alpha.md (nonlocal_goto_receiver_osf): Delete.
3061 (nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver.
3062 (builtin_longjmp, builtin_setjmp_receiver): New.
3063 * sparc.md (update_return): Disambiguate unspec number.
3064 (nonlocal_goto): Rearrange arguments to match caller in except.c.
3065 (builtin_setjmp_setup): Rename from setjmp. Match and ignore the
3067 * mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove.
3068 (builtin_setjmp_setup*, builtin_longjmp): New.
3070 Mon Feb 2 16:43:10 1998 John Carr <jfc@mit.edu>
3072 * mips.md: Change gen_rtx (CONST_INT) to GEN_INT.
3074 Mon Feb 2 13:06:47 1998 Jim Wilson <wilson@cygnus.com>
3076 * vmsconfig.com: Remove bytecode references.
3078 1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3080 * dwarf2out.c (dwarf2out_frame_init): Undo last change, so that
3081 -fno-sjlj-exceptions works for a target that defines
3082 DWARF2_UNWIND_INFO as zero.
3084 * regmove.c (fixup_match_1): Undo last change which removed some
3085 "useless" code, and add a comment explaining this.
3087 Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com)
3089 * mips.c (mips_expand_prologue): Change uses of TARGET_64BIT
3092 Mon Feb 2 10:38:41 1998 Klaus Kaempf <kkaempf@progis.de>
3094 * makefile.vms: Remove bytecode references.
3095 Create genrtl files.
3097 Mon Feb 2 02:08:04 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
3099 * jump.c (jump_optimize): Allow conditional loading of floating point
3100 constants and constants from memory. Reinstalled modified_in_p tests.
3102 Mon Feb 2 01:38:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3104 * loop.c (get_condition): Handle sign-extended constants.
3106 Mon Feb 2 01:22:46 1998 Hans-Peter Nilsson <hp@axis.se>
3108 * expr.c (emit_push_insn): Add code to use movstrti if present.
3110 * expr.c (emit_push_insn): Use same max-move-amount for movstrhi
3111 and movstrqi as in emit_block_move ().
3113 Mon Feb 2 00:09:52 1998 Toon Moene <toon@moene.indiv.nluug.nl>
3115 * config/m68k/x-next: Remove /NextDeveloper/Headers from
3116 the directories to fixinclude - /usr/include is a link
3117 to it and hence its contents are fixed by default.
3119 Sun Feb 1 14:15:33 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
3121 * rs6000/linux.h: define JUMP_TABLES_IN_TEXT_SECTION
3123 Sun Feb 1 13:01:15 1998 Klaus Kaempf <kkaempf@progis.de>
3125 * cccp.c (main): Predefine __VMS_VER on VMS.
3127 Sun Feb 1 12:39:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3129 * expr.c (get_inner_reference): Use sbitsizetype for type sizes.
3130 * fold-const.c (size_int): Replace with
3132 (make_bit_field_ref): Use bitsize_int for bit position.
3133 * stor-layout.c (sizetype): Delete.
3134 (sizetype_tab, sbitsizetype, ubitsizetype): Declare.
3135 (layout_record, layout_union, layout_type):
3136 Use bitsize_int for bit size.
3137 (set_sizetype): New function.
3138 (make_signed_type, make_unsigned_type): Use it.
3139 * c-decl.c (init_decl_processing): Likewise.
3140 * tree.h (size_int): Don't delcare, #define.
3141 (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
3142 (set_sizetype): Declare.
3143 (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
3145 * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
3146 Convert result to sizetype.
3147 (really_start_incremental_init, push_init_level):
3148 Set type of constructor_bit_index to sbitsizetype.
3149 (push_init_level): Use unsigned arithmetic to determine padding.
3150 (output_init_element): Likewise.
3152 Sun Feb 1 03:32:07 1998 Jeffrey A Law (law@cygnus.com)
3154 * combine.c (simplify_shift_const): Fix typo in last change.
3156 Sun Feb 1 02:50:46 1998 John Carr <jfc@mit.edu>
3158 * combine.c (simplify_shift_const): (lshiftrt (truncate (lshiftrt)))
3159 is (truncate (lshiftrt)).
3161 Sun Feb 1 01:06:53 1998 Richard Henderson <rth@cygnus.com>
3163 * alpha.c (alpha_expand_unaligned_load): Use expand_binop properly.
3164 Make sure result winds up in TGT.
3165 (alpha_expand_unaligned_store): Use expand_binop properly. Allow
3166 src to be other than DImode.
3167 (alpha_expand_unaligned_load_words): Tidy. Take an offset argument.
3168 (alpha_expand_unaligned_store_words): Likewise.
3169 (alpha_expand_block_move): Use REGNO_POINTER_ALIGN. Restructure so
3170 that source and destination are separately optimized for alignment.
3171 (alpha_expand_block_clear): Use REGNO_POINTER_ALIGN.
3173 Sun Feb 1 01:55:09 1998 Jeffrey A Law (law@cygnus.com)
3175 * mips.md (adddi3_internal_2): Be consistent with adddi3 expander
3176 with handling of -32768.
3178 Sun Feb 1 01:48:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3180 * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a
3181 shell variable argument instead of only hard coded functions.
3182 (GCC_NEED_DECLARATIONS): New macro to accept multiple functions.
3184 * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one
3185 call. Collapse multiple calls to GCC_NEED_DECLARATION into one
3186 call to GCC_NEED_DECLARATIONS (new macro.) Check if we need
3187 declarations for bcopy, bcmp and bzero.
3189 * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations.
3191 * gansidecl.h: If we have bcopy but don't declare it, then do so.
3192 Likewise for bcmp and bzero. Only define macros for bcopy, bcmp,
3193 bzero, index and rindex if they aren't already present.
3195 Sat Jan 31 11:26:58 1998 Jeffrey A Law (law@cygnus.com)
3197 * toplev.c (close_dump_file): Wrap function prototype for
3198 argument "func" in PROTO.
3199 (dump_rtl): Likewise.
3201 Fri Jan 30 22:30:39 1998 John Carr <jfc@mit.edu>
3203 * sparc.c (sparc_override_options): Make v8plus and ultrasparc set
3205 (output_function_epilogue): Omit epilogue if nothing drops through.
3206 (output_move_double): Supress int ldd usage on ultrasparc and v9.
3207 (registers_ok_for_ldd_peep): Likewise.
3208 (print_operand): Supress b,a on ultrasparc. Let Y accept a constant.
3209 (ultrasparc_adjust_cost): New function.
3210 (sparc_issue_rate): New function.
3211 * sparc.h (MASK_VIS, TARGET_VIS): New
3212 (MASK_V8PLUS, TARGET_V8PLUS): New.
3213 (TARGET_HARD_MUL32, TARGET_HARD_MUL): New.
3214 (TARGET_SWITCHES): Add vis and v8plus.
3215 (REG_CLASS_FROM_LETTER): Accept d and b for VIS.
3216 (REGISTER_MOVE_COST): FP<->INT move cost 12 for ultrasparc.
3217 (RTX_COSTS): Use TARGET_HARD_MUL
3218 (ADJUST_COST): Call ultrasparc_adjust_cost.
3220 * sparc.md (attr type): Add sload, fpmove, fpcmove. Adjust users
3221 of load & fp appropritely.
3222 (supersparc function units): Adjust for Haifa.
3223 (ultrasparc function units): Likewise.
3224 (get_pc_via_rdpc): All v9, not just arch64.
3225 (movdi_v8plus, movdi_v8plus+1): New.
3226 (adddi3_sp32+1): New.
3227 (subdi3_sp32+1): New.
3228 (movsi_insn, movsf_const_insn, movdf_const_insn): Know VIS.
3229 (addsi3, subsi3, anddi3_sp32, andsi3, and_not_di_sp32): Likewise.
3230 (and_not_si, iordi3_sp32, iorsi3, or_not_di_sp32, or_not_si): Likewise.
3231 (xorsi3_sp32, xorsi3, xor_not_di_sp32, xor_not_si): Likewise.
3232 (one_cmpldi2_sp32, one_cmplsi2): Likewise.
3233 (ldd peepholes): Suppress for v9.
3234 (return_adddi): Kill redundant test. Arg1 may be arith_operand.
3235 (return_subsi): Revmove.
3237 Fri Jan 30 18:30:03 1998 John F Carr <jfc@mit.edu>
3239 * mips.c (save_restore_insns): Set RTX_UNCHANGING_P in register
3240 save/restore MEM rtl.
3242 Fri Jan 30 09:08:16 1998 Jeffrey A Law (law@cygnus.com)
3244 * configure.in: Check for declaration of abort.
3245 * acconfig.h: Corresponding changes.
3246 * toplev.c: Use NEED_DECLARATION_ABORT to determine if abort should
3249 Thu Jan 29 20:26:12 1998 Jeffrey A Law (law@cygnus.com)
3251 * genattrtab.c (optimize): Define in case PRESERVE_DEATH_INFO_REGNO_P
3254 Thu Jan 29 09:27:56 PST 1998 Jeff Law (law@cygnus.com)
3256 * version.c: Bump for snapshot.
3258 Thu Jan 29 10:12:27 1998 Jeffrey A Law (law@cygnus.com)
3260 * configure.in: Check for atoq and atoll.
3261 * rtl.c (read_rtx): Use HAVE_ATOLL and HAVE_ATOQ to select the
3262 proper routine for converting ascii into long long values.
3264 Thu Jan 29 01:28:14 1998 Klaus Kaempf <kkaempf@progis.de>
3266 * cccp.c (SYS$SEARCH, SYS$PARSE): Write as upper-case.
3268 * vmsconfig.com: Remove bytecode references.
3270 * alpha/vms.h (PREFIX): Define.
3272 * alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Remove.
3274 * am-alpha.h: Don't include alloca for OPEN_VMS.
3276 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define.
3278 * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define.
3279 (GCC_INCLUDE_DIR): Define
3281 * make-cc.com, make-cccp.com, make-cc1.com: Removed.
3282 * makefile.vms: New file.
3284 * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha.
3286 * alpha.c (output_prolog): Output '.name' directive
3287 for minimal traceback information.
3289 * alpha.c (output_prolog): Don't prepend entry point symbols
3290 with '$' on OPEN_VMS.
3292 Thu Jan 29 00:25:35 1998 David S. Miller <davem@tanya.rutgers.edu>
3293 Jeffrey A Law (law@cygnus.com)
3295 * rtl.c (read_rtx): Use atol/atoq based upon disposition of
3298 * genattrtab.c (write_test_expr): Use HOST_WIDE_INT_PRINT_DEC
3300 * genemit.c (gen_exp): Likewise.
3301 * genpeep.c (match_rtx): Likewise.
3302 * genrecog.c (write_tree_1): Likewise.
3304 * c-lex.c (yyprint): Use proper format string based upon
3305 disposition of HOST_BITS_PER_WIDE_INT.
3306 (yylex): Put casts in right place for args to build_int_2.
3308 Thu Jan 29 00:24:29 1998 Jeffrey A Law (law@cygnus.com)
3310 * combine.c: Fix typos in Jan27 changes.
3312 Thu Jan 29 00:07:49 1998 Ollivier Robert <roberto@keltia.freenix.fr>
3314 * i386/freebsd.h (LIB_SPEC): Correctly handle -shared, -p and friends.
3315 (LINK_SPEC): Likewise.
3316 (STARTFILE_SPEC): Likewise.
3318 1998-01-28 Mike Stump <mrs@wrs.com>
3320 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
3322 * genattrtab.c (reload_completed): Define.
3324 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete
3327 Wed Jan 28 20:11:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3329 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
3330 SUBREG_REG if the word count is unchanged, also in the input reload
3331 case. Disable non-applicable sanity checks.
3333 Wed Jan 28 20:08:26 1998 Jeffrey A Law (law@cygnus.com)
3335 * config/t-svr4 (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
3337 Wed Jan 28 20:04:43 1998 Ian Lance Taylor <ian@cygnus.com>
3339 * i386/t-cygwin32 (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
3341 Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com>
3343 * dbxout.c (dbxout_type): For a RECORD_TYPE, check that TYPE_BINFO
3344 is a TREE_VEC before trying to use it for baseclasses.
3345 (Chill uses the same field for a different purpose.)
3347 * toplev.c (strip_off_ending): Generalize to endings up to 5 chars.
3349 Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi>
3351 * config.sub: More accurate determination of HP processor types.
3353 Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3355 * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
3356 prototype for `handle_sysv_pragma', and make it static. Add
3357 parentheses around assignment used as truth value.
3359 * combine.c (combine_instructions): Protect variable `prev' with
3361 (can_combine_p): Protect variable `link' with AUTO_INC_DEC.
3362 (extract_left_shift): Add parentheses around operand of &.
3363 (merge_outer_ops): Avoid an empty body in an else-statement.
3364 (gen_rtx_combine): Remove unused variable `i'.
3366 * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
3367 function monstartup `void'. Likewise for internal_mcount. Add
3368 `static void' prototype for moncontrol. Reconcile sprintf format
3371 * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
3372 Make return type of function_arg_slotno explicitly `int'.
3373 (reg_unused_after): Add parentheses around assignment used as
3375 (save_regs): Add explicit braces to avoid ambiguous `else'.
3376 (function_arg_slotno): Add parentheses around && within ||.
3377 (function_arg_pass_by_reference): Likewise.
3378 (sparc_flat_output_function_prologue): Reconcile fprintf format
3381 * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
3382 assignment used as truth value.
3384 * cplus-dem.c: Include <stdlib.h>.
3385 (demangle_signature): Avoid an empty body in an else-statement.
3386 (do_type): Remove unused variable `lvl'.
3388 * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
3389 Include <string.h>/<strings.h>.
3390 (cpp_lex): Remove unused variable `namelen'.
3391 (cpp_lex): Explicitly declare `num_chars' as an int.
3393 * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
3394 <unistd.h> instead. Explicitly declare is_system_include
3396 (make_assertion): Remove unused variable `kt'.
3397 (cpp_expand_to_buffer): Hide variable `obuf'.
3398 (output_line_command): Remove unused variables, `line_end',
3399 `line_cmd_buf' and `len'.
3400 (macarg): Remove unused variable `arg_start'.
3401 (special_symbol): Remove unused variable `i'. Add parentheses
3402 around assignment used as truth value.
3403 (do_include): Remove unused variables `pcfname' and `retried',
3404 hide `pcf' and `pcfbuflimit'.
3405 (do_line): Remove unused variable `i'.
3406 (finclude): Hide variable `missing_newline'.
3407 (cpp_handle_options): Remove unused variable `j'.
3408 (read_token_list): Remove unused variable `eofp'.
3409 (cpp_error_with_line): Remove unused variable `i'.
3410 (cpp_warning_with_line): Likewise.
3411 (cpp_pedwarn_with_line): Explicitly declare `column' as int.
3412 (cpp_error_from_errno): Remove unused variable `i'.
3414 * cse.c (invalidate): Add parentheses around assignment used as
3416 (find_best_addr): Move declaration of variable `our_cost' inside
3417 the conditional macro where its used.
3418 (fold_rtx): Avoid an empty body in an if-statement.
3419 (cse_insn): Wrap variables `this_insn_cc0_mode' and
3420 `this_insn_cc0' in macro HAVE_cc0.
3422 * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
3423 (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
3424 (output_uleb128): Likewise.
3425 (output_sleb128): Likewise.
3426 (output_cfi): Likewise.
3427 (output_call_frame_info): Remove unused variables `j', `fde_size'
3429 (comp_unit_has_inlines): Hide declaration as per rest of file.
3430 (size_of_line_prolog): Correct typo in prototype.
3431 (add_arange): Likewise.
3432 (output_aranges): Likewise.
3433 (add_name_and_src_coords_attributes): Likewise.
3434 (gen_array_type_die): Likewise.
3435 (gen_inlined_subroutine_die): Likewise.
3436 (equate_decl_number_to_die): Remove unused variable `i'.
3437 (print_die): Reconcile format vs. args in fprintf's.
3438 (print_dwarf_line_table): Likewise.
3439 (output_die): Likewise.
3440 (output_line_info): Likewise.
3441 (add_subscript_info): Avoid an empty body in an else-statement.
3442 (gen_subprogram_die): Remove unused variable `fp_loc'.
3444 * dwarfout.c: Explicitly declare `next_pubname_number' as int.
3445 Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
3446 macro. Protect `src_coords_attribute' prototype with
3447 DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
3448 prototype as in the rest of the file. Likewise for
3449 `output_pointer_type_die' and `output_reference_type_die'. Remove
3450 prototype for `type_of_for_scope'.
3451 (output_unsigned_leb128): Reconcile format vs. args in fprintf.
3452 (type_attribute): Add explicit braces to avoid ambiguous `else'.
3454 * final.c: Include <stdlib.h> and <string.h>/<strings.h>.
3455 (shorten_branches): Protect declaration of tmp_length with
3456 SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
3457 (profile_function): Protect declaration of `sval' and `cxt'
3458 variables with appropriate macros.
3459 (final_scan_insn): Likewise for `note' variable. Add explicit
3460 braces to avoid empty body in an if-statement.
3461 (output_asm_insn): Move variable `i' inside macro conditional
3462 where it is used. Add parentheses around assignment used as truth
3464 (asm_fprintf) Likewise, likewise.
3466 * fix-header.c (main): Remove unused variable `done'. Protect
3467 declaration of `i' with FIXPROTO_IGNORE_LIST.
3469 * pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
3471 * print-rtl.c (print_inline_rtx): Explicitly declare the parameter
3474 * profile.c: Include <string.h>/<strings.h>.
3475 (instrument_arcs): Remove unused variables `note', `inverted',
3476 `zero' and `neg_one'.
3477 (branch_prob): Avoid empty body in an if-statement.
3479 * regclass.c: Include <stdlib.h>.
3480 (reg_alternate_class): Explicitly declare parameter `regno'.
3482 * regmove.c (regmove_optimize): Remove unused variable `p'. Add
3483 parentheses around assignment used as truth value.
3484 (find_matches): Remove unused variables `output_operand' and
3486 (fixup_match_1): Remove statement with no effect: "if (0) ;".
3488 * scan.c (sstring_append): Explicitly declare `count' as int.
3489 (scan_string): Explicitly declare parameter `init' as int.
3491 * sched.c: Include <stdlib.h>.
3492 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
3493 (rank_for_schedule): Add parentheses around assignment used as
3495 (schedule_block): Likewise.
3496 (regno_use_in): Likewise.
3497 (schedule_insns): Remove unused variable `i'.
3499 * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
3500 (v_message_with_decl): Remove unused variable `n'.
3501 (botch): Explicitly declare parameter `s' as char *.
3502 (main): Add parentheses around assignment used as truth value.
3504 * tree.c (make_node): Protect the variable `kind' with the
3505 GATHER_STATISTICS macro.
3506 (real_value_from_int_cst): Move variable `e' inside conditional
3507 macro area where it is used.
3508 (tree_last): Add parentheses around assignment used as truth value.
3509 (build1): Protect the variable `kind' with the GATHER_STATISTICS
3511 (print_obstack_statistics): Reconcile format vs. args in fprintf.
3512 Protect variables `i', `total_nodes', and `total_bytes' with the
3513 GATHER_STATISTICS macro.
3515 Tue Jan 27 23:01:55 1998 Mike Stump (mrs@wrs.com)
3517 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add
3518 some comments regarding use of dead_or_set_p.
3520 Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com>
3522 * fixincludes: Tweak fix for struct exception in math.h
3524 Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com)
3526 * mips/mips.c (mips_expand_prologue,mips_expand_epilogue):
3527 Change mode of registers used to add/sub from
3528 hard_frame_pointer_rtx from word_mode to Pmode.
3530 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
3532 * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use
3533 asm_output_aligned_bss() instead of asm_output_bss().
3535 * toplev.c (rest_of_compilation): Replace references to
3536 stack_reg_dump_file and dbr_sched_dump_file with references to
3539 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
3541 * tlink.c (scan_linker_output): Call fclose() for opened files.
3543 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
3545 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
3546 compiling with -fpic -- we want to be able to override symbols
3548 (alpha_expand_block_move): Fix thinko in last change.
3550 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
3551 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
3552 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
3554 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
3556 * alpha.md (abssf, absdf): Revert last change.
3558 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
3560 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
3561 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
3563 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
3565 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
3566 a CONST_INT into SFmode.
3568 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
3570 * flags.h: New flag (optimize_size).
3571 * toplev.c (main): Parse -Os option and set optimize_space
3573 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
3574 __OPTIMIZE_SIZE__ when compiling with -Os.
3575 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
3576 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
3577 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
3579 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
3581 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
3583 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
3584 stuff only if MCT_TEXT is #define'd.
3586 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
3588 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
3591 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
3593 * toplev.c: Add -dM command line option to dump RTL after the
3594 machine dependent reorganisation pass, if there is one.
3595 Reorganise RTL dump code, so that only one file handle is
3598 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
3600 * except.c (check_exception_handler_labels): Disable warning when
3603 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
3605 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
3607 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3609 * c-decl.c (grokdeclarator): Get parameter tags from
3610 last_function_parm_tags.
3611 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
3612 traversing the parameter types.
3613 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
3615 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
3617 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
3619 (get_shift_alg): Fix typo.
3621 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
3623 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
3625 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
3627 * toplev.c (get_run_time): Make sure each case gets its variables.
3629 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
3631 * configure.in (build_xm_file): Add auto-config.h if host=build.
3632 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
3633 (build_xm_file_list): Likewise.
3634 * configure: Rebuild.
3636 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
3638 * recog.c (validate_replace_rtx_1): Only perform substitutions
3639 of arguments to commutative and comparison operators once.
3641 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3643 * sparc.c (output_cbranch): Add default case in
3646 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
3647 (emit_delay_sequence): Eliminate unused parameter, all callers
3649 (fill_simple_delay_slots): Likewise.
3650 (fill_slots_from_thread): Likewise.
3651 (fill_eager_delay_slots): Likewise.
3652 (mark_referenced_resources): Add default case in enumeration switch.
3653 (mark_set_resources): Likewise.
3654 (rare_destination): Likewise.
3655 (mostly_true_jump): Likewise.
3656 (find_dead_or_set_registers): Likewise.
3657 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
3658 (update_reg_unused_notes): Remove unused variable `p'.
3659 (mark_target_live_regs): Remove unused variables `next' and
3661 (fill_simple_delay_slots): Remove unused variable `j'.
3662 (fill_slots_from_thread): Add parentheses around assignment used
3664 (dbr_schedule): Likewise.
3666 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
3667 (objc.stage2, objc.stage3, objc.stage4): Likewise.
3669 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
3671 * cse.c (simplify_ternary_operation): Don't try to simplify
3672 IF_THEN_ELSE expressions (created by combine) that don't use
3673 relational operators.
3675 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
3677 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
3680 * crtstuff.c (init_dummy): Keep the epilogue in the init
3681 section for non-ELF systems.
3683 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3685 * sh.md (movqi_i+1): New peephole.
3687 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
3689 * Makefile.in: Remove remaining bytecode stuff.
3690 * emit-rtl.c, expr.c: Likewise.
3692 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
3694 * toplev.c (lang_options): Add unknown-pragma options.
3696 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
3698 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
3699 special (and incomplete) handling for Chill arrays.
3701 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
3703 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
3706 Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com)
3708 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
3710 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
3712 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
3713 .frame directive instead of FRAME_POINTER_REGNUM.
3715 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
3717 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
3718 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
3719 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
3720 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
3721 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
3722 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
3723 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
3724 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
3726 * longlong.h: Replace __mc68332__ with __mcpu32__.
3728 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
3730 * version.c: Bump for snapshot.
3732 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
3734 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
3735 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
3736 * reload1.c (eliminate_regs): Likewise.
3738 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
3740 * regmove.c (find_matches): Initialize matches->earlyclobber too.
3742 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
3744 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
3745 (negsf2, negdf2): Use proper subtract in IEEE mode.
3747 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
3749 * Makefile.in: Remove more bytecode stuff.
3750 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
3751 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
3752 * f/install.texi, objc/Make-lang.in: Likewise.
3754 * Makefile.in: Remove all bytecode support.
3755 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
3756 * emit-rtl.c: Remove all bytecode support.
3757 * expr.c, expr.h function.c, integrate.c: Likewise.
3758 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
3759 * tree.h, varasm.c: Likewise.
3760 * config/m68k/m68k.h: Likewise.
3761 * bi-*, bc-*, bytecode*: Delete bytecode related files.
3762 * modemap.def: Likewise.
3764 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
3766 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
3767 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
3769 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
3771 * i386.md (push): Prohibit symbolic constants if flag_pic.
3772 (movsi+1): Likewise for move to non-register.
3774 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
3776 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
3777 (print_operand): Handle 0xffffffff on 32 bit host.
3779 * configure.in (thread_file): Rename uses before main loop to
3780 target_thread_file. Initialize to empty in main loop. Set thread_file
3781 to target_thread_file after main loop if not set.
3782 * configure: Rebuild.
3784 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
3785 (add_values_to_cover): Revert last change (which had no ChangeLog
3787 (simplify_with_current_value_aux): Handle CONST_INT.
3789 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3791 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
3793 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
3795 * configure.in: Add cpp stringify test.
3796 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
3797 * gengenrtl.c: Use it.
3798 * configure, config.in: Rebuild.
3800 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3802 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
3804 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
3806 * configure.in: Find declaration for sbrk.
3807 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
3808 * config.in, configure: Rebuild.
3809 * mips-tfile.c: Properly protect declaration of sbrk and free.
3810 * toplev.c: Properly protect declaration of sbrk.
3812 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
3814 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
3816 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
3818 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
3820 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
3822 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
3824 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
3826 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
3827 constant offset computations from objects with known alignment in
3828 the presence of STACK_BIAS.
3830 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
3832 (const_hash): Hash val is unsigned long.
3833 (SYMHASH): Likewise.
3835 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
3837 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
3838 char pointer, not HOST_WIDE_INT.
3839 (print_node): Likewise. Also hash is unsigned long not
3842 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
3844 * explow.c (optimize_save_area_alloca): New function for targets
3845 where SETJMP_VIA_SAVE_AREA is true.
3846 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
3847 compute the amount of stack space needed should we find later that
3848 setjmp is never called by this function, stuff rtl for this inside
3849 a REG_NOTE of the final SET of stack_pointer_rtx.
3850 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
3851 current_function_calls_alloca, call optimize_save_area_alloca.
3853 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
3855 * i386.md: Remove redundant integer push patterns.
3856 Don't bother checking for TARGET_PUSH_MEMORY when
3857 pushing constants or registers.
3859 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
3860 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
3862 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
3863 (pwait): New function for mingw32.
3865 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
3866 pipe support is broken for now.
3868 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
3870 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
3871 between frame_pointer_rtx, hard_frame_pointer_rtx, and
3872 arg_pointer_rtx is respected in initialization.
3873 (init_emit_once): Use gen_rtx_raw_REG() to create
3874 return_address_pointer_rtx.
3876 * reorg.c: #include "expr.h" for rtx prototypes.
3877 * Makefile.in (reorg.o): Depend on expr.h
3879 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
3881 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
3882 local_prefix to sub-make invocations.
3884 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
3886 * objc-parse.c: Recognize protocol qualifiers in class definitions.
3888 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
3892 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
3893 * configure.in: Check for atol.
3894 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
3896 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
3898 * loop.c (find_and_verify_loops): When attempting to move insns from
3899 inside the loop outside the loop, create a BARRIER if no suitable
3902 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
3903 favor of an equivalent change from gcc-2.8.
3905 * i386/x-sco5 (CC): Remove trailing whitespace.
3907 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3909 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
3910 (accessor_from_format): Likewise.
3911 (xmalloc): New function for use when linking with alloca.o.
3913 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
3915 * frame.c (find_fde): Correct FDE's upper bound.
3917 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
3919 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
3921 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
3923 * calls.c (expand_call): Move #ifdef code out of macro argument
3925 (emit_library_call, emit_library_call_value): Likewise.
3927 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
3929 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
3931 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
3933 * version.c: Bump for snapshot.
3935 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
3937 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
3938 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
3939 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
3940 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
3941 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
3942 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
3943 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
3944 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
3945 * unroll.c, varasm.c: Likewise.
3946 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
3948 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
3950 * mips.h: Fix some type-o's from a previous change.
3952 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
3954 * loop.c (check_dbra_loop): Make sure initial value is a
3955 CONST_INT before trying to normalize it.
3957 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
3959 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
3961 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
3963 * cppexp.c: Include gansidecl.h
3965 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
3967 * svr4.h (LINK_SPEC): Never specify -h.
3968 * ptx4.h (LINK_SPEC): Likewise.
3969 * rs6000/sysv4.h (LINK_SPEC): Likewise.
3970 * sparc/sol2.h (LINK_SPEC): Likewise.
3972 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
3974 * c-typeck.c (comptypes): Exit early on NULL input.
3976 * haifa-sched.c (schedule_insns): Correctly remove inter-block
3977 dependencies after reload.
3979 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
3981 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
3983 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
3985 * alpha/vms.h (DIR_SEPARATOR): define
3987 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
3989 * Makefile.in (stamp-proto): Remove.
3990 (protoize.o, unprotoize.o): Straightforward compile.
3991 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
3993 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
3995 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
3996 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
3998 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
4000 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
4001 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
4002 * sparc/netbsd.h, vax/netbsd.h: Likewise.
4004 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
4006 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
4008 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
4010 * configure.in (target_cpu_default, target_cpu_default2): Use double
4011 quotes around them when testing their value.
4012 * configure: Rebuilt.
4014 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
4016 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
4018 (gendef): Call obstack_alloc_rtx.
4020 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
4022 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
4025 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
4027 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
4028 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
4029 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
4031 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
4033 * mips.md (return_internal): Change mode from SImode to VOIDmode.
4035 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
4037 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
4040 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
4042 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
4043 suffix from operand 3.
4045 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4046 Jeffrey A Law (law@cygnus.com)
4048 * regmove.c: New implementation of regmove pass.
4049 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
4050 decls, make them have external linkage. Return a value from
4051 optimize_reg_copy_1.
4052 * reload.h (count_occurrences): Add decl.
4053 * reload1.c (count_occurrences): Delete decl, make it have external
4055 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
4057 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
4059 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
4060 if it is not defined.
4062 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
4064 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
4065 * emit-rtl.c (gen_rtx): Move special code to ...
4066 (gen_rtx_CONST_INT): New function.
4067 (gen_rtx_REG): New function.
4068 (*): Update all calls to gen_rtx.
4069 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
4070 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
4071 (GEN_INT): Call gen_rtx_CONST_INT.
4072 * gengenrtl.c: New file.
4074 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
4076 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
4077 (base_alias_check): If no base found for address call canon_rtx and
4080 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
4082 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
4083 arguments for mips16.
4084 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
4085 Don't lose if tsize is zero after handling large stack for mips16.
4086 * mips.md (return): For trivial return, return address is in $31.
4088 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
4090 * mips/mips16.S: Various changes to make it work with -msingle-float
4093 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
4094 Ian Lance Taylor <ian@cygnus.com>
4095 Jeff Law <law@cygnus.com>
4097 * mips.c, mips.h, mips.md: First cut at merging in mips16
4098 support. Major modifications throughout all three files.
4100 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
4102 * configure.in: Make gthr-default.h a forwarding header instead of
4105 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4107 * gcov-io.h: Include sys/types.h to ensure we get size_t.
4109 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
4111 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
4112 Jeffrey A Law (law@cygnus.com)
4114 * crtstuff.c (__frame_dummy): New function for irix6.
4115 (__do_global_ctors): Call __frame_dummy for irix6.
4116 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
4118 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
4120 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
4122 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
4124 * c-decl.c (init_decl_processing): Provide proper fallback symbol
4125 for __builtin_memset.
4126 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
4127 not INTEGER_CST. Assert arg 3 is a constant.
4129 * alpha.c (mode_width_operand): Accept 64-bit modes.
4130 (mode_mask_operand): Likewise.
4131 (print_operand): Likewise for 'M' and 'U' codes.
4132 (alpha_expand_unaligned_load): New function.
4133 (alpha_expand_unaligned_store): Likewise.
4134 (alpha_expand_unaligned_load_words): Likewise.
4135 (alpha_expand_unaligned_store_words): Likewise.
4136 (alpha_expand_block_move): Likewise.
4137 (alpha_expand_block_clear): Likewise.
4138 * alpha.h (MOVE_RATIO): New define.
4139 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
4140 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
4142 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
4143 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
4145 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
4147 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
4148 * configure: Update.
4150 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
4152 * emit-rtl.c (operand_subword): Correctly handle extracting a word
4153 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
4155 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
4158 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
4160 * configure.in: Set and subsitute host_exeext. Use it when creating
4161 the assembler and linker symlinks.
4162 * configure: Rebuild.
4163 * Makefile.in (exeext): Set to @host_exeext@.
4164 (build_exeext): New variable, set to @build_exeext@.
4165 (FLAGS_TO_PASS): Pass down build_exeext.
4166 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
4169 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
4171 * mn10200.md (addsi3, subsi3): Fix thinkos.
4173 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
4175 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
4176 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
4177 unix always, since we want to be able to thunk to functions in a
4178 shared library from an application.
4180 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
4182 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
4183 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
4185 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
4187 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
4188 offset's mode is not ptr_mode, convert it.
4190 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
4192 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
4193 compiling if it was already defined.
4195 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
4197 * flow.c (find_basic_blocks): Don't create a new basic block
4198 for calls in a LIBCALL block.
4200 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
4202 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
4204 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
4206 * cse.c (rtx_cost): Remove conflicting default case.
4208 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
4210 * configure.in: Move default enabling of Haifa out of for loop.
4211 * configure: Rebuild.
4213 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
4215 * version.c: Bump for snapshot.
4217 1997-12-25 Teemu Torma <tot@trema.com>
4219 * Makefile.in (GTHREAD_FLAGS): New var.
4220 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
4221 (distclean): Remove gthr-default.h.
4223 * configure.in: Accept dce as a thread package.
4224 Check for thread.h and pthread.h.
4225 Link gthr-default.h to appropriate thread file and set
4227 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
4228 include multilib definitions from pa/t-dce-thr.
4229 (sparc-*-solaris2*): Enable threads by default, if thread.h or
4230 pthread.h is found, preferring posix threads over solaris ones.
4232 * config/pa/t-dce-thr: New file.
4233 * config/pa/t-pa: Removed multilibs.
4234 * config/sparc/t-sol2: Ditto.
4237 * gthr-single.h: New file.
4238 * gthr-posix.h: New file.
4239 * gthr-solaris.h: New file.
4240 * gthr-dce.h: New file.
4241 * libgcc-thr.h: Removed.
4242 * objc/thr-dce.c: New file copied from thr-decosf1.c.
4244 * frame.c: Include gthr.h instead of libgcc-thr.h.
4245 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
4246 (eh_context_initialize): If __gthread_once fails, use static eh
4248 (eh_context_free): Call __gthread_key_dtor.
4250 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
4252 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
4254 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
4256 * cse.c (max_insn_uid): New variable.
4257 (cse_around_loop): Use max_insn_uid.
4258 (cse_main): Set max_insn_uid.
4260 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
4261 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
4262 -mlong64, and -mgp{32,64} options.
4263 * mips.c (mips_abi): Change type to int.
4264 * mips.h (enum mips_abi_type): Delete.
4265 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
4266 (mips_abi): Change type to int.
4268 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
4270 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
4271 optimization is now always enabled.
4273 * calls.c (expand_call): Recognize C++ operator new as malloc-like
4276 * alias.c (memrefs_conflict_p): Eliminate tests now done by
4278 (*_dependence): Call canon_rtx before base_alias_check.
4279 (init_alias_once): New function to precompute set of registers which
4280 can hold Pmode function arguments.
4282 * rtl.h: Declare init_alias_once.
4284 * toplev.c (compile_file): Call init_alias_once.
4286 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
4288 * tree.c (restore_tree_status): Do not dereference a null pointer.
4290 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
4292 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
4293 RLIMIT_STACK. This maintains consistency with the recent, similar
4294 patch to cccp.c and toplev.c.
4296 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
4298 * genattrtab.c (expand_units): For large nr opclasses, expand
4299 function_units_used with ORX to prevent blowups. Tag with FFS.
4300 (num_unit_opclasses): New variable.
4301 (gen_unit): Update it.
4302 (enum operator): Add ORX_OP.
4303 (operate_exp): Treat ORX as or, except don't expand across an if.
4304 Reuse number rtx's after operating on them.
4305 (check_attr_value): Accept IOR, AND, & FFS.
4306 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
4307 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
4308 (write_expr_attr_cache, write_toplevel_expr): New functions.
4309 (write_attr_get): Handle FFS-tagged expressions.
4310 (make_canonical): Don't expand const attributes.
4311 (convert_const_symbol_ref): Dike out.
4312 (evaluate_eq_attr): Handle SYMBOL_REF.
4313 (main): Don't emit get_attr_foo for const attributes.
4315 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
4316 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
4317 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
4318 * alpha.md: Redo all of the scheduling, adding EV6 support, and
4319 combining function units where possible.
4320 (attr "type"): Split loads, stores, cmov into int/fp. Combine
4321 multiplies and divides. Add EV6 sqrt, ftoi, itof.
4322 (attr "opsize"): New attribute.
4323 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
4324 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
4325 to control register allocation.
4326 (movsi2-1, movdi2-1): Likewise.
4328 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
4330 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
4331 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
4332 Move OSF/1 specific defines out.
4333 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
4334 Move Linux specific defines out.
4335 (LINK_SPEC): Genericize.
4336 (ASM_FILE_START): Emit .arch if using more than the base insn set.
4337 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
4338 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
4339 (HANDLE_SYSV_PRAGMA): Define.
4340 * alpha/osf.h: New file.
4341 * alpha/linux.h: Split. Retain file-format independant defines.
4342 Import Linux bits from elf.h.
4343 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
4344 (FUNCTION_PROFILER): _mcount takes its address in $28.
4345 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
4346 * alpha/linux-ecoff.h: New file.
4347 * alpha/linux-elf.h: New file.
4348 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
4349 * alpha/win-nt.h (TARGET_DEFAULT): Define.
4350 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
4351 Add new headers as appropriate.
4353 * configure.in (alpha*): Enable Haifa by default.
4354 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
4355 * configure: Rebuild.
4357 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
4359 * Makefile.in (clean): Remove the stages with their objects here ...
4360 (distclean): ... instead of here.
4362 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4364 * cse.c (rtx_cost): Add default case in enumeration switch.
4365 * fix-header.c (recognized_macro): Likewise.
4366 (recognized_extern): Likewise.
4367 (write_rbrac): Likewise.
4368 * objc/objc-act.c (encode_aggregate): Likewise.
4369 (gen_declarator): Likewise.
4370 (gen_declspecs): Likewise.
4372 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
4374 * haifa-sched.c (create_reg_dead_note): Detect and handle another
4375 case where we kill more regs after sched than were killed before
4377 * sched.c (create_reg_dead_note): Similarly.
4379 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
4381 * c-pragma.c: Include flags.h.
4383 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
4385 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
4386 about system headers.
4387 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
4388 and also to resolve symbols in prefix.c.
4390 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
4391 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
4392 when the definitions in auto-config.h is not visible.
4393 (HAVE_BZERO): Likewise.
4394 (HAVE_BCMP): Likewise.
4395 (HAVE_RINDEX): Likewise.
4396 (HAVE_INDEX): Likewise.
4398 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
4400 * pa.c (emit_move_sequence): Handle a function label source
4403 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
4405 * c-pragma.c (handle_pragma_token): Generate warning messages
4406 about unknown pragmas if warn_unknown_pragmas is set.
4408 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
4409 line option to set variable: warn_unknown_pragmas.
4411 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
4413 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
4415 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
4417 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
4419 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
4420 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
4421 generate more fine grained floating point emulation libraries.
4422 * config/fp-bit.c: Add protecting #ifdef to all functions so
4423 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
4424 then compile all suitable functions.
4425 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
4426 underscores to avoid namespace pollution.
4427 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
4429 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
4433 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4434 Jeff Law <law@cygnus.com>
4436 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
4438 * c-decl.c (finish_decl): Use parentheses around && within ||.
4439 * rtl.c: Include stdlib.h.
4440 (read_skip_spaces): Add parentheses around assignments used as
4442 (read_rtx): Initialize list_rtx.
4443 * cppexp.c (parse_number): Use || when operands are truth values.
4444 * alias.c (find_base_value): Add default case.
4445 (memrefs_conflict): Likewise.
4446 * combine.c (sets_function_arg_p): Likewise.
4447 * genemit.c (gen_exp): Likewise.
4448 * local-alloc.c (contains_replace_regs): Likewise.
4449 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
4450 * fold-const.c (fold_convert): Use "&&" for truth values.
4451 (fold): Add default case.
4452 * sdbout.c (sdbout_field_types): Fix typo in declaration.
4453 (sdbout_one_type): Add default case.
4454 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
4455 (some_operand): Add default case.
4456 (input_operand): Likewise.
4457 (signed_comparison_operator): Likewise.
4458 (divmod_operator): Likewise.
4459 (alpha_set_memflags_1): Likewise.
4460 * reload1.c (reload_cse_simplify_operands): Ensure function
4461 always returns a value.
4462 * scan-decls.c (scan_decls): Likewise.
4463 * c-lex.c (skip_white_space): Fix typo in declaraion.
4464 * c-typeck.c (comp_target_types): Add parentheses around assignment
4465 used as truth value.
4466 (print_spelling): Likewise.
4467 (constructor_implicit, constructor_result): Remove unused variables.
4468 * collect2.c (scan_library): Protect prototype with
4469 #ifdef SCAN_LIBRARIES.
4470 * emit-rtl.c (find_line_note): Fix typo in declaration.
4471 * final.c (asm_insn_count): Protect prototype with
4472 #ifdef HAVE_ATTR_length.
4473 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
4474 (try_pre_increment_1, try_pre_increment): Likewise.
4475 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
4476 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
4477 * gcov-io.h (__store_long, __write_long, __read_long): Fix
4478 unsigned/signed comparisons.
4479 * gcov.c (read_files): Remove unused "first_type" variable.
4480 (scan _for_source_files): Initialize s_ptr.
4481 (function_summary): Eliminate "%lf" formatting, use %ld for
4483 (output_data): Initialize branch_probs and last_line_num.
4484 Eliminate "%lf" formatting, use "%ld" for longs.
4486 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
4488 * mips16.S: New file.
4490 * libgcc2.c (varargs): Handle mips16.
4492 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
4494 * stmt.c (expand_end_case): Likewise.
4495 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
4496 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
4497 * rs6000.h, sh.h, tahoe.h, v850.h, vax.h: Likewise.
4499 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4501 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
4502 the build directory.
4503 (libobjc.a): Update dependency list.
4504 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
4506 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
4507 (objc.mostlyclean): Remove runtime-info.h.
4509 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
4511 * tree.c (build_range_type): Allow creation of ranges with no maximum.
4512 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
4513 * dwarf2out.c (add_subscript_info): Likewise.
4514 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
4515 * sdbout.c (plain_type_1): Likewise.
4516 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
4518 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
4521 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4523 * mips.c (fatal): Remove declaration.
4525 1997-12-18 Mark Mitchell <mmitchell@usa.net>
4527 * integrate.c (get_label_from_map): New function.
4528 (expand_inline_function): Use it. Initialize the label_map to
4529 NULL_RTX instead of gen_label_rtx.
4530 (copy_rtx_and_substitute): Use get_label_from_map.
4531 * integrate.h (get_label_from_map): New function.
4532 (set_label_from_map): New macro.
4533 * unroll.c (unroll_loop): Use them.
4534 (copy_loop_body): Ditto.
4536 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
4538 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
4539 (INIT_TARGET_OPTABS): Define.
4540 * mips/ecoff.h: Include gofast.h before mips.h.
4541 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
4542 * mips/elf64.h: Likewise.
4543 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
4545 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
4547 * except.c: Remove register_exception_table{,_p}.
4549 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
4551 * unroll.c (calculate_giv_inc): Handle constant increment found in
4552 a MEM with an appropriate REG_EQUAL note.
4554 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
4556 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
4557 frame pointer in the prologue.
4559 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
4561 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
4562 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
4564 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
4566 * config/m68k/m68k.c (output_function_prologue): Typecast
4567 dwarf2out_cfi_label to (char *).
4568 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
4570 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
4572 * sparc.md (jump): Don't use the annul bit around an empty loop.
4573 Patch from Kevin.Kelly@East.Sun.COM.
4575 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
4577 * jump.c: (jump_optimize): Don't use the return register as a
4578 source1 of a conditional move.
4580 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
4582 * sparc.c (DF_MODES): Or the mask not the bit number.
4583 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
4585 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
4587 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
4589 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
4591 * fixincludes (size_t): Add support for Motorola's stdlib.h
4592 which fails to provide a definition for size_t.
4593 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
4594 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
4595 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
4597 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
4598 prevent unresolved externals in libio.
4599 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
4601 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
4603 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
4604 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
4605 (LIB_SPEC): Updated for glibc 2.
4607 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
4609 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
4610 * ginclude/varargs.h: Likewise.
4612 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
4614 * version.c: Bump for snapshot.
4616 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
4618 * frame.h (__register_frame, __register_frame_table,
4619 __deregister_frame): New.
4620 * frame.c (__register_frame, __register_frame_table,
4621 __deregister_frame): New.
4622 * frame.c (__deregister_frame_info): Return void *.
4623 * frame.h (__deregister_frame_info): Ditto.
4624 * collect2.c (__deregister_frame_info): Ditto.
4626 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
4628 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
4630 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
4632 * alpha.c (alpha_cpu_name): New variable.
4633 (alpha_mlat_string): Likewise.
4634 (alpha_memory_latency): Likewise.
4635 (override_options): Handle -mmemory-latency.
4636 (alpha_adjust_cost): Adjust load cost for latency.
4637 * alpha.h (TARGET_OPTIONS): Add meory-latency.
4638 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
4639 TARGET_CIX into account.
4640 (MEMORY_MOVE_COST): Define in terms of memory_latency.
4641 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
4643 * alpha.h (ASM_COMMENT_START): New macro.
4645 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
4647 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
4648 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
4650 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
4651 SUBREG_REG if the word count is unchanged.
4652 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
4653 subregs of identical word size for push_reload.
4655 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
4657 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
4658 if all we're doing is dealing with -Wreturn-type.
4660 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
4662 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
4663 Use and 255 instead of zapnot 1, since it schedules better.
4665 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
4667 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
4670 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
4672 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
4673 dependency we delete. Properly update prev for multiple consecutive
4675 (priority): Skip deleted dependence.
4677 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
4679 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
4681 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
4683 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
4684 determining when a new basic block starts.
4686 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
4688 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
4689 * pa.md (iorsi3): Add missing args to *_operand calls.
4691 * except.c (call_get_eh_context): Don't mess with sequences.
4692 (emit_eh_context): Include the call in the sequence here.
4694 1997-12-11 Paul Eggert <eggert@twinsun.com>
4696 * collect2.c (write_c_file_glob): Allocate initial frame object
4697 in static storage and pass its address.
4699 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
4701 * except.c (call_get_eh_context): Don't take a parm.
4702 Put the call at the top of the function.
4703 (emit_eh_context): Adjust.
4704 (get_eh_context): Replace with former use_eh_context.
4705 (get_eh_context_once, get_saved_pc_ref): Remove.
4706 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
4708 * integrate.c (expand_inline_function): Adjust.
4709 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
4711 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
4713 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
4714 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
4716 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
4718 * fixincludes (strlen,strspn,strcspn return value): Handle different
4720 (hypot): Provide a fake for hypot which is broken on
4721 m88k-motorola-sysv3.
4723 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
4725 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
4726 tree_code_name from pointers to arrays.
4727 * tree.c: Remove standard_tree_code_* variables, no longer used.
4728 * print-tree.c: Remove declaration of tree_code_name.
4730 * cp/lex.c (init_lex): Update for tree_code_* changes.
4731 * objc/objc-act.c (init_objc): Likewise.
4733 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
4736 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
4738 * config.sub: Add support for BeOS target.
4739 * configure.in: Likewise.
4740 * ginclude/stdarg.h: Likewise.
4741 * ginclude/stddef.h: Likewise.
4742 * ginclude/varargs.h: Likewise.
4743 * rs6000/beos.h: New file for BeOS.
4744 * rs6000/t-beos: Likewise.
4745 * rs6000/x-beos: Likewise.
4746 * rs6000/xm-beos.h: Likewise.
4747 * toplev.c (get_run_time): Just return 0 on BeOS.
4749 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
4750 Toon Moene (toon@moene.indiv.nluug.nl)
4752 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
4753 old and broken Sun3 assemblers. Newer versions handle large
4754 offsets correctly as does the GNU assembler.
4756 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4758 * objc/objc-act.c (lang_report_error_function): Disable.
4759 * objc/objc-parse.y: Include "output.h".
4760 (yyerror): Remove redundant decl.
4761 (yyprint): Fix prototype.
4762 (apply_args_register_offset): Remove redundant decl.
4763 (get_file_function_name): Likewise.
4765 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
4767 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
4769 (find_basic_blocks_1): Likewise.
4771 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
4773 * except.c (use_eh_context): Don't copy_rtx a REG.
4774 (emit_throw): Lose old unwinder support.
4775 (expand_internal_throw): Likewise.
4776 * libgcc2.c (struct eh_context): Likewise.
4777 (new_eh_context): Likewise.
4778 (__get_eh_info): Lose redundant cast.
4779 (__get_dynamic_handler_chain): Likewise.
4780 (__get_saved_pc): Lose.
4781 Lose all old unwinder support code.
4783 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
4785 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
4787 * integrate.c (expand_inline_function): If the inline fn uses eh
4788 context, make sure that the current fn has one.
4789 * toplev.c (rest_of_compilation): Call emit_eh_context.
4790 * except.c (use_eh_context): New fn.
4791 (get_eh_context_once): New fn.
4792 (call_get_eh_context): New fn.
4793 (emit_eh_context): New fn.
4794 (get_eh_context): Call either get_eh_context_once or
4795 call_get_eh_context, depending on what we have.
4796 (get_dynamic_handler_chain): Call get_eh_context_once.
4797 * except.h: Prototypes for fns above.
4798 * optabs.c (get_eh_context_libfunc): Removed.
4799 (init_optabs): Don't initialize it.
4800 * expr.h (get_eh_context_libfunc): Removed.
4801 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
4802 * config/pa/pa.h (CPP_SPEC): Support for -threads.
4803 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
4804 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
4805 New multilib for -threads.
4806 * config/sparc/t-sol2: Added multilibs for -threads and
4807 made -pthreads alias to it.
4808 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
4809 Added -threads and -pthreads options.
4810 * libgcc-thr.h: New file.
4811 * libgcc2.c: (__get_cpp_eh_context): Removed.
4812 (struct cpp_eh_context): Removed.
4813 (struct eh_context): Replaced cpp_eh_context with generic language
4815 (__get_eh_info): New function.
4816 (__throw): Check eh_context::info.
4818 * libgcc2.c: Include libgcc-thr.h.
4819 (new_eh_context, __get_eh_context,
4820 eh_pthread_initialize, eh_context_initialize, eh_context_static,
4821 eh_context_specific, eh_context_free): New functions.
4822 (get_eh_context, eh_context_key): New variables.
4823 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
4824 get_eh_context to get the context.
4825 (longjmp): Move the declaration inside
4826 #ifdef DONT_USE_BUILTIN_SETJMP.
4827 * frame.c: Include libgcc-thr.h.
4828 (object_mutex): Mutex to protect the object list.
4829 (find_fde, __register_frame, __register_frame_table,
4830 __deregister_frame): Hold the lock while accessing objects.
4831 * except.h (get_eh_context): Declare.
4832 * except.c (current_function_ehc): Define.
4833 (current_function_dhc, current_function_dcc): Removed.
4834 (get_eh_context): New function.
4835 (get_dynamic_handler_chain): Use get_eh_context.
4836 (get_saved_pc_ref): Ditto.
4837 (get_dynamic_cleanup_chain): Removed references to
4838 current_function_dcc.
4839 (save_eh_status, restore_eh_status): Save and restore
4840 current_function_ehc instead.
4841 * optabs.c (get_eh_context_libfunc): New variable.
4842 (init_optabs): Initialize it.
4843 * expr.h: Declare get_eh_context_libfunc.
4844 * function.h (struct function): Replaced dhc and dcc with ehc.
4845 * except.c (get_saved_pc_ref): New functions.
4846 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
4847 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
4849 (end_eh_unwinder): Likewise.
4850 (init_eh): Remove initialization of eh_saved_pc.
4851 * optabs.c (get_saved_pc_libfunc): New variable.
4852 (init_optabs): Initialize it.
4853 * expr.h: Declare get_saved_pc_libfunc.
4854 * except.h (eh_saved_pc_rtx): Deleted.
4855 (get_saved_pc_ref): Declared.
4857 From Scott Snyder <snyder@d0sgif.fnal.gov>:
4858 * libgcc2.c (__get_saved_pc): New.
4859 (__eh_type, __eh_pc): Deleted.
4860 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
4861 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
4864 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
4866 * sparc/sol2.h: Use 64 bit multiply and divide functions in
4867 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
4870 * rtl.h (global_rtl): New variable, replacing separate variables for
4872 (const_int_rtx): Now array of rtx_def, not rtx.
4873 * emit-rtl.c: Update for new rtl data structures.
4874 * genattrtab.c: Define global_rtl.
4876 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
4878 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
4881 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
4883 * crtstuff.c (__do_global_ctors): Fix typo.
4885 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
4887 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
4888 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
4890 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
4892 * rs6000.h (FUNCTION_ARG_PADDING): Define.
4893 * rs6000.c (function_arg_padding): New function.
4895 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
4897 * m68k.c: Include tree.h only once.
4899 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4901 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
4903 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
4905 * Partially cleaned up prototyping code from HJ.
4906 * tree.h: Add many prototypes.
4907 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
4908 All references changed.
4909 * rtl.h: Protect from multiple inclusions. Add many prototypes.
4911 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
4913 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
4914 string functions like strlen.
4916 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
4918 * configure.in: Check for functions getrlimit and setrlimit.
4919 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
4920 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
4922 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
4924 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
4926 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
4928 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
4931 * alpha.c (override_options): Don't know about scheduling for EV6.
4932 * alpha.md (ev5 function units): Don't overload as ev6.
4934 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
4935 * alpha.md (define_attr type): Add mvi.
4936 (ev5_e0): Define sceduling parameters for it.
4937 (TARGET_MAX insns): Type is mvi not shift.
4939 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
4941 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
4943 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4945 * cstamp-h, auto-config.h: Delete.
4947 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
4949 * version.c: Bump for snapshot.
4951 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
4953 * cccp.c: Fix typo brought over in merge.
4955 * Merge in changes from gcc-2.8.
4957 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
4959 * m68k.c: Include tree.h for dwarf2out_cfi_label.
4961 * gcc.c (process_command): Do not take address of function fatal when
4962 calling lang_specific_driver.
4964 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
4966 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
4967 doesn't work with it yet, so set it to 0.
4968 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
4970 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
4972 * cse.c (cse_insn): Check for invalid entries when taking references.
4974 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4976 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
4977 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
4978 * toplev.c (rest_of_compilation): Pass it. Remove code to
4979 save / clear / restore flag_unroll_{,all_}loops.
4981 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
4983 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
4985 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
4987 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
4989 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
4991 * except.c (get_dynamic_handler_chain): Only make the call once per
4994 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
4996 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4998 * sh.c (final_prescan_insn): Use local label prefix
4999 when emitting .uses pseudo-ops.
5001 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
5003 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
5004 * except.c: Lose outer_context_label_stack.
5005 (expand_eh_region_end): Rethrow from outer_context here.
5006 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
5007 (expand_internal_throw): Take no args.
5008 (expand_internal_throw_indirect): Lose.
5009 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
5010 (expand_start_all_catch): Start a rethrow region.
5011 (expand_end_all_catch): End it.
5012 (expand_rethrow): New fn.
5013 * except.h: Reflect above changes.
5014 * flow.c: Revert change of Nov 27.
5016 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
5018 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
5020 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
5022 * except.c (expand_fixup_region_end): New fn.
5023 (expand_fixup_region_start): Likewise.
5024 (expand_eh_region_start_tree): Store cleanup into finalization here.
5025 * stmt.c (expand_cleanups): Use them to protect fixups.
5027 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
5029 * mips/mips.md (muldi3_r4000): Broaden the output template
5030 and attribute assignments to handle three operand dmult;
5031 rename to muldi3_internal2.
5032 (muldi3): Call the new muldi3_internal2 for R4000, and
5033 any GENERATE_MULT3 chip.
5035 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
5037 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
5039 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
5041 * unroll.c (find_splittable_givs): Remove last change. Handle givs
5042 with a dest_reg that was created by loop.
5044 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
5046 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
5048 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
5050 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
5052 * configure.in: Fix NCR entries.
5054 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
5056 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
5057 nested exceptions correctly.
5059 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
5060 that was created by loop.
5062 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
5064 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
5066 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
5068 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
5070 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
5071 (print_operand): Use SMALL_DATA_REG for the register involved in
5072 small data relocations.
5073 (print_operand_address): Ditto.
5075 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
5076 -dynamic linker is not used.
5078 * rs6000.md (call insns): For local calls, use @local suffix under
5079 System V. Don't use @plt under Solaris.
5081 * rs6000.c (output_function_profiler): Put label address in r0, and
5082 store LR in 4(sp) for System V/eabi.
5084 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
5085 byte boundary, and maintain stack backchain.
5087 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
5089 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
5090 fix_truncsfdi2): Change *.
5092 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
5094 * toplev.c (main): Complain about -gdwarfn.
5096 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
5098 * dwarfout.c (output_type): If finalizing, write out nested types
5099 of types we've already written.
5101 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
5103 (patches originally from Geoffrey Keating)
5104 * rs6000.c (function_arg): Excess floating point arguments don't
5105 go into GPR registers after exhausting FP registers under the
5107 (function_arg_partial_nregs): Ditto.
5109 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
5112 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
5114 * integrate.c (output_inline_function): Just unset DECL_INLINE.
5116 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
5118 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
5121 * libgcc2.c (__throw): Initialize HANDLER.
5123 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
5125 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
5126 fix_truncsfdi2): Change *X to ?*X.
5128 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
5130 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
5132 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
5134 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
5136 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
5138 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
5140 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
5142 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
5143 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
5146 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
5148 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
5149 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
5150 gas and not using the new HP assembler.
5152 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
5154 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
5155 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
5157 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
5159 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
5160 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
5163 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
5165 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
5167 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
5169 * except.h: Add outer_context_label_stack.
5170 * except.c: Likewise.
5171 (expand_start_all_catch): Push the outer_context for the try block
5172 onto outer_context_label_stack.
5173 (expand_end_all_catch): Use it and pop it.
5175 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
5177 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
5179 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
5181 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
5183 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
5185 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
5186 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
5188 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
5190 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
5191 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
5192 __builtin_delete, and __builtin_vec_delete.
5194 * except.c (output_exception_table): Don't bother with
5197 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
5199 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
5200 is an in/out operand.
5201 (zero extended variants of stwm/stwm patterns): Similarly.
5203 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
5205 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
5207 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
5209 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
5210 (output_call_frame_info): Emit a \n after using it.
5212 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
5214 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
5216 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
5218 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
5219 (ASM_OUTPUT_DWARF_VALUE4): New macro.
5220 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
5222 (output_call_frame_info): Do not output forward label differences
5223 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
5224 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
5226 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5228 * sh.md (attribute "type"): Add nil.
5229 (movsi_ie): y/y alternative is type nil.
5230 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
5232 (movsf_ie+1): Delete.
5234 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
5236 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
5237 large_int, emit two insns instead of one splitable insn.
5238 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
5239 from cfa_temp_value, use cfa_offset. Add assert checking that
5242 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
5244 * cccp.c (deps_output): Properly quote file names for make.
5246 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
5248 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
5250 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
5252 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
5254 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
5256 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
5258 (cse_end_of_basic_block): Similarly.
5260 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
5262 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
5263 (SELECT_RTX_SECTION): Define.
5264 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
5266 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
5268 * Makefile.in (compare, compare-lean): Define $stage for each
5270 (gnucompare, gnucompare-lean): Likewise.
5272 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
5274 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
5276 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
5277 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
5279 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
5281 * dwarfout.c (byte_size_attribute): Add local var upper_bound
5282 and add case to handle STRING_TYPE.
5283 * dwarfout.c (output_string_type_die): Fix code to generate
5284 correct string length attribute for fixed length strings.
5285 Still needs support for varying length strings.
5287 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
5289 * toplev.c (get_run_time): Do something sensible for cygwin32.
5291 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
5293 * expr.c (expand_builtin_setjmp): Set
5294 current_function_has_nonlocal_label.
5295 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
5296 call-saved registers across calls.
5298 * alpha.md (exception_receiver): Remove.
5299 (nonlocal_goto_receiver_osf): New
5300 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
5301 (nonlocal_goto_receiver): New, select _osf or _vms.
5303 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
5304 keep them from being propogated to the object file.
5305 (alpha_write_linkage): Likewise.
5306 * alpha.md (call_vms): Likewise.
5307 (call_value_vms): Likewise.
5308 (unnamed osf call insns): Likewise.
5310 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
5311 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
5313 * alpha.c (call_operand): Any reg is valid for WinNT.
5314 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
5315 (anon nt calls): Add 'R' alternative.
5316 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
5317 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
5319 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
5321 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
5323 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
5324 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
5325 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
5327 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
5329 * reload1.c (new_spill_reg): Improve fixed or forbidden register
5330 spill error message.
5332 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5334 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
5335 use varargs.h. Wrap header with <>, not "".
5337 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
5339 * integrate.c (save_for_inline_copying): Add return value from
5342 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
5344 * fixincludes: Be a little more restrictive on what we will
5345 substitute to replace definitions of MAXINT for HPUX.
5347 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
5349 * dbxout.c (dbxout_symbol_location): Don't assume that variables
5350 whose address is the stack or argument pointers are indirect
5353 1997-11-13 Paul Eggert <eggert@twinsun.com>
5355 * cccp.c, cpplib.c (compare_defs):
5356 Don't complain about arg name respellings unless pedantic.
5357 * cpplib.c (compare_defs): Accept pfile as new arg.
5358 All callers changed.
5360 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5362 * fold-const.c (fold_truthop): Fix bug in last change.
5364 1997-11-13 Paul Eggert <eggert@twinsun.com>
5366 Fix some confusion with IEEE minus zero.
5368 * real.h (REAL_VALUES_IDENTICAL): New macro.
5370 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
5371 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
5373 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
5374 same tree structure as 0.0.
5376 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
5377 macro instead of doing it by hand.
5379 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
5381 * v850/lib1funcs.asm: Minor whitespace changes.
5382 * v850.c: Fix minor formatting problems in many places.
5383 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
5385 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
5387 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
5388 xplus1 when xplus0 is not a register.
5390 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
5392 * flow.c (find_basic_blocks): During marking phase, if we encounter
5393 an insn with a REG_LABEL note, make the target block live and
5394 create an edge from the insn to the target block. Do not make
5395 edges from all blocks to the target block.
5397 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
5399 * confiugre.in: Tweak NCR entries.
5400 * configure: Rebuilt.
5402 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
5404 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
5405 pick apart floating point values, instead of using CONST_DOUBLE_LOW
5406 and CONST_DOUBLE_HIGH.
5408 * rs6000.md (define_splits for DF constants): Use the appropriate
5409 REAL_VALUE_* interface to pick apart DF floating point constants in
5410 a machine independent fashion.
5412 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5414 * fold-const.c (fold_truthop): When changing a one-bit comparison
5415 against zero into a comparison against mask, do a proper sign
5418 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
5420 * except.c: Do not include "assert.h".
5421 (save_eh_status): Turn asserts into conditional aborts.
5422 (restore_eh_status, scan_region): Likewise.
5423 * dwarfout.c: Do not include "assert.h".
5424 (bit_offset_attribute): Turn asserts into conditional aborts.
5425 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
5426 (output_inlined_structure_type_die): Likewise.
5427 (output_inlined_union_type_die): Likewise
5428 (output_tagged_type_instantiation): Likewise.
5429 (dwarfout_file_scope_decl): Likewise.
5430 * dwarf2out.c: Do not include "assert.h"
5431 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
5432 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
5433 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
5434 (add_bit_size_attribute, scope_die_for): Likewise.
5435 (output_pending_types_for_scope): Likewise.
5436 (get_inlined_enumeration_type_die): Likewise.
5437 (get_inlined_structure_type_die): Likewise.
5438 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
5439 (gen_tagged_type_instantiation_die): Likewise.
5441 * flow.c (find_basic_blocks): Refine further to get a more correct
5442 cfg, especially in the presense of exception handling, computed
5443 gotos, and other non-trivial cases. Call abort if an inaccuracy
5444 is detected in the cfg.
5446 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5448 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
5450 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
5451 (skip_white_space): Use whitespace_cr.
5452 (check_newline): Handle whitespace more consistently.
5454 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
5456 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
5457 * i386/xm-cygwin32.h (POSIX): Define.
5459 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
5461 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
5462 is available elsewhere.
5464 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
5466 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
5467 what the instruction can handle.
5469 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
5471 * stmt.c (expand_decl_cleanup_no_eh): New fn.
5473 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
5475 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
5477 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
5478 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
5480 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
5482 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
5483 swap instruction order.
5485 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
5487 * fixinc.svr4 (__STDC__): Add another case.
5489 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5491 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
5492 addresses in the epilogue delay slot.
5494 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
5496 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
5497 in generated `specs' file.
5499 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
5501 * flags.h (flag_rerun_loop_opt): Declare.
5502 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
5503 * toplev.c (flag_rerum_loop_opt): Delete static.
5505 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5507 Bring over from FSF:
5509 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5511 * va-sh.h (__va_arg_sh1): Define.
5513 SH3E doesn't use any integer registers for subsequent arguments
5514 once a non-float value was passed in the stack.
5515 * sh.c (machine_dependent_reorg): If optimizing, put explicit
5516 alignment in front label for ADDR_DIFF_VEC.
5517 * sh.h (PASS_IN_REG_P): Fix SH3E case.
5518 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
5520 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5522 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
5525 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5527 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
5528 put an use_sfunc_addr before each sfunc.
5529 * sh.md (use_sfunc_addr, dummy_jump): New insns.
5530 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
5532 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5534 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
5536 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
5538 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
5541 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
5543 * alias.c (find_base_value): Only return the known base value for
5546 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
5548 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
5549 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
5551 (prologue_get_pc_and_set_got): New pattern.
5553 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
5555 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
5556 for SUBREG, just fall through.
5558 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
5560 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
5562 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
5564 * fixincludes: Fix "hypot" prototype in NeXT math.h.
5566 * Makefile.in (USE_ALLOCA): Always include alloca.o.
5567 (USE_HOST_ALLOCA): Likewise.
5569 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
5570 and LABEL_REFS fields.
5571 * rtl.h (LABEL_REFS): Update.
5573 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
5575 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
5576 sets i2dest. When calling distribute_notes for i3dest_killed, pass
5577 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
5580 * mips.md (insv, extzv, extv): Add change_address call.
5581 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
5583 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
5585 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
5587 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
5588 save_restore_insns if no FP and GP will be restored.
5590 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
5591 Convert CCmode to word_mode before calling GET_MODE_SIZE.
5593 * acconfig.h (HAVE_INTTYPES_H): Undef.
5594 * configure.in (inttypes.h): Check for conflicts between sys/types.h
5595 and inttypes.h, and verify that intmax_t is defined.
5596 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
5597 * config/mips/x-iris3: Likewise.
5599 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
5601 * alias.c (find_base_value): When copying arguments, return the
5602 tenative value for a hard register.
5604 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
5606 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
5607 (yylex): Record wide strings using target endianness, not host.
5609 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
5611 * mn10200.h (ASM_OUTPUT_BSS): Delete.
5612 (ASM_OUTPUT_ALIGNED_BSS): New macro
5613 * mn10300.h (ASM_OUTPUT_BSS): Delete.
5614 (ASM_OUTPUT_ALIGNED_BSS): New macro.
5615 * v850.h (ASM_OUTPUT_BSS): Delete.
5616 (ASM_OUTPUT_ALIGNED_BSS): New macro.
5618 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5620 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
5622 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
5624 * configure.in (sco5): Use cpio to install header files.
5626 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
5628 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
5630 * configure: Rebuild.
5632 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
5634 * i386/sco5.h: enable -gstabs once again.
5636 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
5638 * arm.c (output_move_double): Allocate 3 entries in otherops array.
5640 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
5642 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
5643 notes for sjlj exceptions too.
5644 (expand_eh_region_end): Similarly for EH_REGION_END notes.
5645 (exception_optimize): Optimize EH regions for sjlj exceptions too.
5646 * final.c (final_scan_insn): Don't output labels for EH REGION
5647 notes if doing sjlj exceptions.
5649 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
5651 * alias.c (init_alias_analysis): Handle -fno-alias-check when
5652 optimizing correctly.
5654 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
5655 or set current_function_calls_setjmp anymore.
5657 * flow.c (find_basic_blocks): If we delete the label for an
5658 exception handler, remove it from the EH label list and remove
5659 the EH_BEGIN/EH_END notes for that EH region.
5661 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
5663 * flow.c (find_basic_blocks): Generate correct flow control
5664 information when exception handling notes are present.
5666 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
5668 * dwarf2out.c (output_call_frame_info): Fix length argument
5669 to ASM_OUTPUT_ASCII.
5670 (output_die, output_pubnames, output_line_info): Likewise.
5672 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
5674 * version.c: Bump for snapshot.
5676 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
5677 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
5678 flag_debug_asm is on.
5679 (output_die, output_pubnames, output_line_info): Likewise.
5681 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
5682 and static_chain_rtx into the potential base values array if
5685 * alias.c (new_reg_base_value): New array of potential base values.
5686 (unique_id): Now file scoped static.
5687 (find_base_value, case REG): Return the value in reg_base_value
5688 array for the REG if it exists. Else, return the value from
5689 new_reg_base_value if copying args and REG is a hard register.
5690 (find_base_value, case PLUS): If either operand of the PLUS is
5691 a REG, try to get its base value. Handle base + index and
5693 (record_set): Use new_reg_base_value instead of reg_base_value.
5694 (init_alias_analysis): Allocate space for new_reg_base_value too.
5695 Rework code to iterate over the insns propagating base value
5696 information until nothing changes.
5698 * global.c (global_alloc): Free the conflict matrix after
5699 reload has finished.
5701 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
5703 * libgcc2.c (L_eh): Define __eh_pc.
5704 Replace __eh_type with generic pointer __eh_info.
5706 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
5708 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
5709 use copy_to_reg if address is not a general_operand.
5711 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5713 * profile.c (output_func_start_profiler): Clear flag_inline_functions
5714 for the duration of the call to rest_of_compilation.
5716 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
5718 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
5720 (sparc*-*-*): Recognize --with-cpu=v9.
5721 * sparc/elf.h: New file.
5722 * sparc/t-elf: New file.
5724 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
5726 * mn10300.c (const_8bit_operand): New function.
5727 (mask_ok_for_mem_btst): New funtion.
5728 * mn10300.md (btst patterns with mem operands): Use new functions
5729 to avoid creating btst instructions with invalid operands.
5731 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
5733 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
5734 are running on PowerPC Linux.
5736 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
5738 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
5739 if not previously defined.
5741 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
5743 * function.c (assign_parms): Correct mode of stack_parm if
5744 entry_parm underwent a mode conversion.
5746 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
5748 * global.c (global_alloc): Use xmalloc instead of alloca for
5749 CONFLICTS, since max_allocno * allocno_row_words alone can be more
5750 than 2.5Mb sometimes.
5752 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
5754 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
5755 DEST for the spill, adjust mode of SRC to compensate.
5757 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
5759 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
5760 since any_memory_operand() allows pseudos during reload.
5761 (reload_inhi, reload_outqi, reload_outhi): Likewise.
5763 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
5765 * m68k.md (btst patterns): Add 5200 support.
5767 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
5769 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
5770 optimizations, look inside dividend to determine if the expression
5771 can be simplified by using EXACT_DIV_EXPR.
5773 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
5776 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
5778 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
5780 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
5782 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
5784 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
5787 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
5789 * alpha.md (movqi, movhi): Make sure new insns created during reload
5790 won't need reloading themselves.
5791 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
5793 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
5795 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
5797 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
5799 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
5800 Patch from Klaus Kaempf <kkaempf@progis.de>.
5802 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
5804 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
5805 to an element in a constant string.
5807 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
5809 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
5810 bit PC-relative offset. The exception range table pointer is now in
5812 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
5813 (count_fdes, add_fdes, get_cie): Adjust.
5814 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
5817 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
5819 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
5821 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
5822 like stack_pointer_rtx.
5824 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
5826 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
5827 targets using "$@" to provide support for similar but not identical
5828 targets without having to duplicate code.
5829 (bootstrap4): New goal.
5831 * Makefile.in (compare, compare-lean, compare3): Combined to one
5832 ruleset determining actions to be performed via $@.
5833 (compare4, compare4-lean): New targets.
5834 (gnucompare, gnucompare3): Combined to one ruleset determining
5835 actions to be performed via $@. Also, note which files failed
5836 the comparison test in .bad_compare.
5837 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
5839 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
5841 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
5842 if the dividend is a multiple of the divisor.
5844 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
5846 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
5848 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
5851 * alias.c (true_dependence): Fix typo.
5853 * toplev.c (flag_rerun_loop_opt): New variable.
5854 (f_options): Handle -frerun-loop-opt.
5855 (rest_of_compilation): If -frerun-loop-opt, then run the loop
5857 (main): Enable -frerun-loop-opt by default for -O2 or greater.
5859 * loop.c (simplify_giv_expr): Adding two invariants results
5862 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
5864 * expr.c (get_inner_reference): Remove the array bias after
5865 converting the index to Pmode.
5867 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
5869 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
5870 (TARGET_MULT_BUG): Define.
5871 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
5872 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
5874 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
5876 * mn10200.c (indirect_memory_operand): Delete unused function.
5877 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
5878 * mn10200.md (bset, bclr insns): Handle output in a reg too.
5880 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
5882 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
5883 the callee's ldgp, we must do it ourselves, and we use the jsr tag
5884 for more than scheduling.
5886 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
5888 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
5890 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
5892 * mn10300.c (symbolic_operand, legitimize_address): New functions.
5893 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
5894 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
5896 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
5898 * version.c: Bump for snapshot.
5900 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5902 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
5905 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
5907 * toplev.c (flag_exceptions): Default value is 2.
5908 (compile_file): If flag_exceptions still has the value 2, then
5911 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
5912 (rs6000_save_machine_status): Save pic_offset_table_rtx.
5913 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
5915 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
5918 * rs6000.md (*movsi_got_internal_mem): New pattern.
5919 (*movsi_got_internal_mem splitter): New define_split.
5921 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
5923 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
5925 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
5927 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
5928 only need to save LR.
5930 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
5932 * mn10300.md (movqi, movhi): Avoid using address registers as
5933 destinations unless absolutely necessary.
5935 * mn10200.c (expand_prologue): Fix typo.
5937 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
5939 * mn10200.md (neghi2): Provide an alternative which works if
5940 the input and output register are the same.
5942 * mn10300.c (print_operand): Handle 'S'.
5943 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
5944 shift amount in last alternative
5946 * mn10300.c (expand_epilogue): Rework to handle register restores
5947 in "ret" and "retf" instructions correctly.
5949 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
5951 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
5952 extzv for memory operands.
5954 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
5955 redundant conditional moves to single operand.
5957 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
5959 * v850.h: Move define of __v850__ from CPP_PREDEFINES
5962 * xm-v850.h: Use __v850 rather than __v850__ to
5965 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
5967 * mips/mips.c (compute_frame_size): Not a leaf function if
5970 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
5972 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
5974 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
5976 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
5977 (DEFAULT_ARCH32_P): New macro.
5978 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
5979 (enum cmodel): Declare.
5980 (sparc_cmodel_string,sparc_cmodel): Declare.
5981 (SPARC_DEFAULT_CMODEL): Provide default.
5982 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
5983 (TARGET_FULLANY): Deleted.
5984 (TARGET_CM_MEDMID): New macro.
5985 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
5986 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
5987 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
5988 (CPP_SPEC): Rewrite.
5989 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
5990 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
5991 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
5992 (ASM_SPEC): Add %(asm_arch).
5993 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
5994 Rename asm_default to asm_cpu_default.
5995 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
5996 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
5997 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
5998 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
5999 (MASK_INT64,MASK_LONG64): Delete.
6000 (MASK_ARCH64): Renamed to MASK_64BIT.
6001 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
6002 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
6003 (TARGET_SWITCHES): Always provide 64 bit options.
6004 (ARCH64_SWITCHES): Delete.
6005 (TARGET_OPTIONS): New option -mcmodel=.
6006 (INT_TYPE_SIZE): Always 32.
6007 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
6008 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
6009 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
6010 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
6011 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
6013 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
6014 * sparc/linux.h: Likewise.
6015 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
6016 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
6017 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
6018 (SPARC_DEFAULT_CMODEL): Define.
6019 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
6020 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
6021 (LONG_DOUBLE_TYPE_SIZE): Define.
6022 (ASM_SPEC): Add %(asm_arch).
6023 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
6024 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
6025 (TARGET_CPU_DEFAULT): Add ultrasparc case.
6026 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
6027 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
6028 (SPARC_DEFAULT_CMODEL): Define.
6029 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
6030 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
6031 MASK_LONG64, MASK_MEDANY.
6032 (SPARC_DEFAULT_CMODEL): Define.
6033 (CPP_PREDEFINES): Delete.
6034 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
6035 (ASM_SPEC): Add %(asm_arch).
6036 (LONG_DOUBLE_TYPE_SIZE): Define.
6037 (DWARF2_DEBUGGING_INFO): Define.
6038 * sparc/splet.h (CPP_SPEC): Delete.
6039 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
6040 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
6041 (BLOCK_PROFILER): Likewise.
6042 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
6043 (sparc_override_options): Handle code model selection.
6044 (sparc_init_expanders): Renamed from sparc64_init_expanders.
6045 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
6046 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
6047 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
6048 (sethi_di_fullany): Delete.
6050 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
6051 Jeff Law <law@cygnus.com>
6052 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6054 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
6055 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
6056 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
6057 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
6058 * alpha/alpha.md (arg_home): Likewise.
6060 * alpha/alpha.c (vmskrunch): Delete
6061 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
6062 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
6063 truncate to 64 characters.
6065 * make-l2.com: Support openVMS/Alpha.
6067 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
6069 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6071 * longlong.h (count_leading_zeros): Add missing casts to USItype.
6073 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
6075 * i386/bsd386.h (ASM_COMMENT_START): Define.
6077 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
6079 * tree.c (restore_tree_status): Also free up temporary storage
6080 when we finish a toplevel function.
6081 (dump_tree_statistics): Print stats for backend obstacks.
6083 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
6085 * expr.c (use_group_regs): Don't call use_reg for MEMs.
6087 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
6089 * libgcc2.c (__throw): Don't copy the return address.
6090 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
6092 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
6093 * toplev.c (main): Initialize exceptions_via_longjmp.
6095 * tree.c: Add extra_inline_obstacks.
6096 (save_tree_status): Use it.
6097 (restore_tree_status): If this is a toplevel inline obstack and we
6098 didn't want to save anything on it, recycle it.
6099 (print_inline_obstack_statistics): New fn.
6100 * function.c (pop_function_context_from): Pass context to
6101 restore_tree_status.
6102 * obstack.h (obstack_empty_p): New macro.
6104 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
6106 * i386/freebsd.h (ASM_COMMENT_START): Fix.
6108 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
6110 * v850.c (ep_memory_offset): New function.
6111 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
6113 * v850.h (CONST_OK_FOR_*): Add and correct comments.
6114 (CONSTANT_ADDRESS_P): Add comment.
6115 (EXTRA_CONSTRAINT): Define 'U'.
6116 * v850.md: Add comments on bit field instructions.
6117 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
6118 (lshrsi3): Use N not J constraint.
6120 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
6122 * v850.c (reg_or_0_operand): Call register_operand.
6123 (reg_or_int5_operand): Likewise.
6124 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
6125 (TARGET_SWITCHES): Add "big-switch".
6126 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
6127 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
6128 (CASE_DROPS_THROUGH): Comment out.
6129 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
6130 * v850.md (cmpsi): Delete compare mode.
6131 (casesi): New pattern.
6133 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
6134 * v850.md (ashlsi3): Use SImode not QImode for shift count.
6135 (lshrsi3): Likewise.
6137 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
6138 unreachable switch statement after 'b' support. Remove "b" from
6139 strings for 'b' support.
6140 * v850.md (branch_normal, branch_invert): Change %b to b%b.
6142 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
6144 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
6145 empty line if @inhibit_libc@ is empty.
6147 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
6149 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
6150 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
6151 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
6152 (DWARF2_UNWIND_INFO): Let this track object file format.
6153 (EXTRA_SECTIONS): Add in_eh.
6154 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
6155 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
6157 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
6159 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
6160 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
6162 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
6163 (output_double_int): Output DI mode values correctly when
6164 HOST_BITS_PER_WIDE_INT is 64.
6165 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
6166 fmovd so it works if a quad float ends up in one of the upper 32
6168 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
6169 necessary for PIC support on sparc64.
6171 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
6173 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
6174 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
6175 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
6176 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
6177 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
6178 (SPARC_FP_ARG_FIRST): New macro.
6179 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
6180 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
6181 (NPARM_REGS): There are 32 fp argument registers now.
6182 (FUNCTION_ARG_REGNO_P): Likewise.
6183 (FIRST_PARM_OFFSET): Update to new v9 abi.
6184 (REG_PARM_STACK_SPACE): Define for arch64.
6185 (enum sparc_arg_class): Delete.
6186 (sparc_arg_count,sparc_n_named_args): Delete.
6187 (struct sparc_args): Redefine and use for arch32 as well as arch64.
6188 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
6189 (FUNCTION_ARG_ADVANCE): Rewrite.
6190 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
6191 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
6192 (FUNCTION_ARG_CALLEE_COPIES): Delete.
6193 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
6194 (STRICT_ARGUMENT_NAMING): Define.
6195 (doublemove_string): Declare.
6196 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
6197 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
6198 (doublemove_string): New function.
6199 (output_move_quad): Clean up some of the arch64 support.
6200 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
6201 Don't add 8 bytes of reserved space if arch64.
6202 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
6203 (init_cumulative_args): New function.
6204 (function_arg_slotno): New static function.
6205 (function_arg,function_arg_partial_nregs): New functions.
6206 (function_arg_{pass_by_reference,advance}): New functions.
6207 (function_arg_padding): New function.
6208 * ginclude/va-sparc.h: Rewrite v9 support.
6210 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
6212 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
6213 for hard regs to determine base and index registers.
6215 * reload.c (debug_reload_to_stream): New function. Specify stream
6216 into which to write debug info.
6217 (debug_reload): Modify to call debug_reload_to_stream with stderr.
6219 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
6221 * combine.c (can_combine_p): Don't combine with an asm whose
6222 output is a hard register.
6224 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
6226 * c-decl.c (start_struct): Ensure that structs with forward
6227 declarations are in fact packed when -fpack-struct is given.
6229 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
6230 we are packing a structure. This allows a structure with only
6231 bytes to be aligned on a byte boundary and have no padding on a
6234 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6236 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
6238 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
6240 * alpha.c (alpha_return_addr_rtx): New variable.
6241 (alpha_save_machine_status): New; save it.
6242 (alpha_restore_machine_status): New; restore it.
6243 (alpha_init_expanders): New; clear it.
6244 (alpha_return_addr): New; set it.
6245 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
6246 is overly conservative, so search the insns explicitly.
6247 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
6248 (alpha_sa_size [VMS && !VMS]): Likewise.
6249 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
6250 (INIT_EXPANDERS): New definition.
6252 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
6253 (output_prolog [!VMS]): Use them.
6255 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
6256 (alpha_does_function_need_gp): ... a new function. Refine the
6257 CALL_INSN test to just TYPE_JSR.
6258 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
6260 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
6262 * version.c: Bump for snapshot.
6264 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6266 * pa.c (move_operand): Respect -mdisable-indexing.
6267 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
6269 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
6271 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
6273 (umulsidi3,umulsi3_highpart): Ditto.
6274 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
6276 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
6278 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
6279 (alpha_handle_trap_shadows): ... a new function. Handle the entire
6280 function in one go. Emit RTL for trapb, instead of printf directly.
6281 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
6282 (trap_pending): Kill global variable.
6283 (output_epilog): Don't call final_prescan_insn.
6284 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
6285 * alpha.h (FINAL_PRESCAN_INSN): Remove.
6286 (MACHINE_DEPENENT_REORG): Define.
6287 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
6290 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
6292 Tune Haifa scheduler for Alpha:
6293 * alpha.h (ISSUE_RATE): Define.
6294 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
6295 EV4 adjustments to EV5.
6296 * alpha.md: Remove all scaling from function unit delays. Rework
6297 EV5 function units to match the CPU.
6298 (umuldi3_highpart): EV5 added the IMULH insn class.
6300 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
6302 * pa.c (following_call): Fail if the CALL_INSN is an indirect
6305 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
6307 * cplus-dem.c (demangle_signature): Don't look for return types on
6308 constructors. Handle member template constructors.
6310 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
6312 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
6313 * tree.h: Declare them.
6315 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
6317 * configure.in: Handle --with-newlib.
6318 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
6320 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
6322 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
6324 * config/ptx4.h: Fix typo.
6326 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
6328 * version.c: Bump for snapshot.
6330 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
6332 * aclocal.m4: Substitute INSTALL.
6333 * configure: Re-built.
6335 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
6337 * integrate.c (save_for_inline_copying): Avoid undefined pointer
6339 (expand_inline_function): Likewise.
6341 * dwarf2out.c (output_call_frame_info): Reinstate last change
6342 using flag_debug_asm check instead of flag_verbose_asm.
6344 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
6346 * dwarf2out.c (output_call_frame_info): Remove last change.
6348 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6350 * frame.c (__frame_state_for): Execute the FDE insns until the
6351 current pc value is strictly bigger than the target pc value.
6353 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
6355 * regclass.c (init_reg_modes): If we can't find a mode for the
6356 register, use the previous one.
6358 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
6360 * haifa-sched.c (print_block_visualization): Call fprintf directly,
6361 don't sprintf through an alloca'ed buffer.
6363 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
6365 * reload.c (decompose): Always initialize val.base.
6367 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
6369 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
6370 instead of aborting.
6371 * dwarf2out.c (output_call_frame_info): Call app_enable and
6372 app_disable to let GNU as accept the generated comments.
6374 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
6376 * tree.h (get_file_function_name): Add declaration.
6377 * dwarf2out.c (output_call_frame_info): No need to cast
6378 get_file_function_name call anymore.
6379 * profile.c (toplevel): Remove get_file_function_name
6381 * c-lang.c (finish_file): Ditto.
6383 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
6385 * Makefile.in (program_transform_name): Let autoconf substitute
6388 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
6390 * haifa-sched.c (schedule_block): If the first real insn in a
6391 block has any special notes attached to it, remove them.
6393 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
6395 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
6397 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
6399 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
6401 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
6403 * Makefile.in (check-g77): New test target.
6404 (CHECK-TARGETS): Add check-g77.
6406 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
6408 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
6410 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
6412 * flow.c (print_rtl_with_bb): Cast alloca return value for
6415 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
6417 * i386.h (RETURN_ADDR_RTX): New definition that works for
6418 __builtin_return_address(0) and -fomit-frame-pointer.
6420 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
6422 Bring over from FSF.
6423 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
6425 * mips.c (function_arg): Handle passing a struct
6426 containing a double in a DFmode register without the PARALLEL.
6428 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
6430 * pexecute.c: Use spawn if __CYGWIN32__.
6432 * pexecute.c: Include "config.h" first, as per autoconf manual
6433 (from Paul Eggert <eggert@twinsun.com>).
6435 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
6437 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
6438 optimisation for f/expr.o and f/stb.o.
6440 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
6442 * cse.c (this_insn_cc0_mode): Initialize.
6444 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
6446 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
6448 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
6450 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
6452 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
6453 that pair will dual-issue on the 21164 and plus+beq won't.
6454 (bne): Likewise for cmpeq+beq.
6456 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
6458 * except.c (find_exception_handler_labels): Correct argument to free.
6460 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
6462 * except.c (find_exception_handler_labels): Free LABELS when we're
6465 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
6467 * version.c: Bump for snapshot.
6469 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
6471 * flow.c (find_basic_blocks): Mark calls as potentially jumping
6474 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
6476 * configure.in: Substitute for "install" too.
6477 * configure: Rebuilt.
6479 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
6481 * Makefile.in (bootstrap-lean, compare-lean): New targets.
6483 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
6485 * alias.c (base_alias_check): Two symbols can conflict if they
6486 are accessed via AND.
6487 (memrefs_conflict_p): Likewise.
6489 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
6490 after flushing argument registers to the stack.
6492 * Makefile.in (mostlyclean): Remove .regmove files.
6494 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
6496 * libgcc2.c (__throw): Fix thinko.
6498 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
6500 * cplus-dem.c (demangle_template): Add new parameter. Handle new
6501 template-function mangling.
6502 (consume_count_with_underscores): New function.
6503 (demangle_signature): Handle new name-mangling scheme.
6505 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
6507 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
6510 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
6512 * frame.c: Remove last change.
6513 * dwarf2.h: Remove last change.
6514 * tree.h: Add declarations of DWARF2 unwind info support
6517 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
6519 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
6520 * tree.h (built_in_function): Likewise.
6521 * expr.c (expand_builtin): Likewise.
6522 * except.h: Likewise.
6523 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
6524 * libgcc2.c (copy_reg): New fn.
6527 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
6529 * c-typeck.c (build_binary_op): Warn about comparing signed vs
6530 unsigned if -W is specified and -Wno-sign-compare is not.
6531 * c-decl.c (warn_sign_compare): Initialize to -1.
6532 (c_decode_option): -Wall no longer implies -Wsign-compare.
6534 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6536 * frame.c: Include gansidecl.h for PROTO.
6537 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
6538 defined. Don't declare dwarf2out_cfi_label here.
6539 * dwarf2.h: Add declarations of DWARF2 unwind info support
6541 * m68k.c: Include dwarf2.h.
6542 (output_function_prologue): Add dwarf2 support.
6543 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
6544 (INCOMING_FRAME_SP_OFFSET): Likewise.
6546 * integrate.c (expand_inline_function): Make sure there is at
6547 least one insn that can be used as an insertion point.
6549 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
6551 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
6553 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
6555 * version.c: Bump for snapshot.
6557 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
6559 Bring over from FSF.
6561 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
6563 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
6564 (get_pc_via_rdpc): Renamed from get_pc_sp64.
6565 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
6567 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
6569 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
6570 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
6572 (sparc_align_{loops,jumps,funcs}_string): Declare.
6573 (sparc_align_{loops,jumps,funcs}): Declare.
6574 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
6575 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
6576 (STACK_BIAS): Define.
6577 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
6579 (SPARC_SETHI_P): New macro.
6580 (CONST_OK_FOR_LETTER_P): Use it.
6581 (ASM_OUTPUT_ALIGN_CODE): Define.
6582 (ASM_OUTPUT_LOOP_ALIGN): Define.
6583 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
6584 (sparc_align_{loops,jumps,funcs}): New globals.
6585 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
6587 (move_operand): Use SPARC_SETHI_P.
6588 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
6590 (arith11_double_operand): Likewise.
6591 (arith10_double_operand): Likewise.
6592 (finalize_pic): Finish sparc64 support.
6593 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
6594 64 bit constants if able.
6595 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
6596 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
6598 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
6599 (get_pc_sp32): Use for sparc64 as well.
6600 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
6601 (sethi_di_sp64_const): Likewise.
6602 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
6603 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
6604 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
6606 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
6608 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
6609 * sparc/linux.h (COMMENT_BEGIN): Likewise.
6610 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
6612 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
6614 Add sparc64 linux support.
6615 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
6616 to xm_file list on 32-bit sparc-linux.
6617 * sparc/xm-sp64.h: New file.
6618 * sparc/linux64.h: New file.
6619 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
6620 Don't include xm-sparc.h.
6621 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
6622 * glimits.h (LONG_MAX): Handle sparc64.
6624 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
6626 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
6627 * sparc.h (ASM_COMMENT_START): Define.
6628 * sparc.c (output_function_prologue): Use it.
6629 (sparc_flat_output_function_{epi,pro}logue): Likewise.
6631 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
6633 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
6634 use sparc.h's copies.
6635 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
6638 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6640 * sparc.c (dwarf2out_cfi_label): Add declaration.
6641 (save_regs, output_function_prologue): Remove cast for it.
6642 (sparc_flat_{save_restore,output_function_prologue): Likewise.
6643 ({save,restore}_regs): No longer inline.
6645 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6647 * fold-const.c (make_range): Correctly handle cases of converting
6648 from unsigned to signed type.
6650 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6652 * fold-const.c (merge_ranges): Make sure that if one range is subset
6653 of another, it will always be the second range. Correct (+,-) case to
6656 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
6658 * final.c (final_end_function): Also do dwarf2 thing if
6659 DWARF2_DEBUGGING_INFO.
6660 (final_start_function): Likewise.
6662 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
6664 * expmed.c (expand_divmod): If compute_mode is not the same as
6665 mode, handle the case where convert_modes() causes op1 to no
6666 longer be a CONST_INT.
6668 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
6669 note holding get_jump_flags() calculation to all JUMP_INSNs.
6670 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
6671 * rtl.c (reg_note_name): Add new note types.
6673 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
6675 * rtlanal.c (computed_jump_p): Fix typo in last change.
6677 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6679 * loop.c (indirect_jump_in_function_p): Return 0
6682 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
6684 * rs6000/xm-rs6000.h: Fix thinko in last change.
6685 * rs6000/xm-sysv4.h: Likewise.
6687 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
6689 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
6691 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
6693 * reg-stack.c (find_blocks): Fix thinko in last change.
6695 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6697 * m68k.c (output_function_prologue): Add dwarf2 support.
6699 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
6700 INCOMING_FRAME_SP_OFFSET): New definitions.
6702 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
6704 * combine.c (try_combine): Use NULL_RTX instead of '0' where
6705 appropriate in calls to gen_rtx().
6706 * cse.c (cse_main): Likewise.
6707 * emit-rtl.c (gen_label_rtx): Likewise.
6708 * expr.c (init_expr_once): Likewise.
6709 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
6710 sched_analyze, init_rgn_data_dependences,
6711 compute_block_backward_dependences): Likewise.
6712 * sched.c (schedule_insns): Likewise.
6713 * varasm.c (immed_double_const): Likewise.
6715 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
6716 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
6718 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
6720 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
6721 (MULTILIB_DEFAULTS): Define.
6722 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
6723 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
6724 (LIBGCC_SPEC): Likewise.
6725 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
6726 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
6727 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
6728 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
6729 (EXTRA_PARTS, TAROUTOPTS): Delete.
6730 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
6731 (MULTILIB_OPTIONS): Define.
6732 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
6733 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
6735 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
6737 * version.c: Bump for snapshot.
6739 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
6741 * loop.c (loop_number): Delete function. Change all references
6742 to use uid_loop_num array.
6743 * loop.h (loop_number): Delete declaration.
6744 * unroll.c (unroll_loop): Change "loop_number" references to
6745 use uid_loop_num instead.
6747 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
6749 (loop_unroll_iter): Remove unused variable and all references.
6750 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
6751 (insert_bct): Fix minor formatting problems.
6752 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
6753 (loop_unroll_iter): Removed unused decl.
6754 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
6755 Always record the unrolling factor.
6757 * cse.c (simplify_relational_operation): Set h0u just like h0s.
6758 Similarly for h1u and h1s.
6760 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
6761 (find_basic_blocks): Use computed_jump_p to determine if a
6762 particular JUMP_INSN is a computed jump.
6763 * reg-stack.c (find_blocks): Use computed_jump_p to determine
6764 if a particular JUMP_INSN is a computed jump.
6765 * rtlanal.c (jmp_uses_reg_or_mem): New function.
6766 (computed_jump_p): Likewise.
6767 * rtl.h (computed_jump_p): Declare.
6768 * genattrtab.c (pc_rtx): Define and initialize.
6769 * loop.c (loop_optimize): Always determine if the current
6770 function has a computed jump.
6771 (indirect_jump_in_function_p): Use computed_jump_p to determine
6772 if a particular JUMP_INSN is a computed jump.
6774 * loop.c (fix_bct_param): Delete unused function.
6775 (check_bct_param): Likewise.
6777 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
6779 * frame.c (__deregister_frame): Check properly for initialized object.
6781 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6783 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
6785 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6787 * jump.c (thread_jumps): check can_reverse_comparison_p before
6788 threading a reversed-condition jump.
6790 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
6791 * haifa-sched.c (update_flow_info): Likewise.
6793 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
6795 * Makefile.in (BOOT_CFLAGS): Use -O2.
6797 * configure.in (strtoul, bsearch): Have autoconf check for these
6799 * configure, config.in: Rebuilt.
6801 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
6802 * mips/mips.h (alloca): Likewise.
6803 * rs6000/xm-rs6000.h (alloca): Likewise.
6804 * rs6000/xm-sysv4.h: Likewise.
6806 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
6808 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
6809 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
6810 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
6812 * except.c (end_eh_unwinder): Subtract 1 from return address.
6813 * libgcc2.c (__throw): Likewise.
6814 (find_exception_handler): Don't change PC here. Compare end with >.
6816 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
6818 * v850.c (compute_register_save_size): Correct register
6820 * v850.md (save_interrupt, return_interrupt): Correct
6822 * v850/lib1funcs.asm (save_interrupt): Correct register number.
6823 (return_interrupt): Use stack pointer, not element pointer.
6825 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
6827 * configure.in, configure: Make sure to create the stage* and include
6828 symbolic links in each subdirectory.
6830 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
6832 * pa.md (reload_peepholes): Don't allow addresses with side
6833 effects for the memory operand.
6835 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
6837 * libgcc2.c (find_exception_handler): Subtract one from our PC when
6838 looking for a handler, to avoid hitting the beginning of the next
6841 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
6843 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
6845 * mips/abi64.h (LONG_MAX_SPEC): Define.
6846 * mips.h (LONG_MAX_SPEC): Define.
6847 (CPP_SPEC): Include long_max_spec.
6848 (EXTRA_SPECS): Include long_max_spec.
6850 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
6852 * v850.c (construct_save_jarl): Fix thinko in last change.
6854 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
6856 * version.c: Bump for snapshot.
6858 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
6860 * libgcc2.c (find_exception_handler): Not found is -1.
6862 * integrate.c (expand_inline_function): Move expand_start_bindings
6863 after expanding the arguments.
6865 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
6867 * expr.c (expand_expr): Remove previous incorrect change.
6868 If target and slot has no DECL_RTL, then call mark_addressable
6869 again for the slot after we give it RTL.
6871 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
6873 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
6874 again for the slot after we give it RTL.
6876 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
6878 * v850.c (register_is_ok_for_epilogue,
6879 pattern_is_ok_for_epilogue, construct_restore_jr,
6880 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
6882 * v850.h (pattern_is_ok_for_prologue,
6883 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
6886 * v850.md: Replace prologue and epilogue patterns with a
6887 match_parallel pattern.
6889 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
6891 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
6892 * configure.in: Use EGCS_PROG_INSTALL.
6894 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
6896 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
6897 extern inline function.
6899 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
6901 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
6902 (concat_loc_descriptor): New function.
6903 (loc_descriptor): Call it.
6904 (add_AT_location_description): Also elide the descriptor if both
6905 halves of a CONCAT are pseudos.
6906 (add_location_or_const_value_attribute): Recognize CONCAT too.
6908 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
6910 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
6912 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
6913 out-or-range reg_offset.
6914 (output_epilog): Likewise.
6916 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
6918 * cse.c (simplify_relational_operation): If MODE specifies a
6919 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
6920 is derived from the sign bit of the low word.
6922 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
6924 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
6926 * dwarf2.h: Add DW_CFA_GNU_args_size.
6927 * frame.c (execute_cfa_insn): Likewise.
6928 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
6929 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
6930 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
6931 insn, hand it off to dwarf2out_stack_adjust.
6932 (dwarf2out_begin_prologue): Initialize args_size.
6933 * frame.h (struct frame_state): Add args_size.
6934 * libgcc2.c (__throw): Use args_size.
6935 * final.c (final_scan_insn): If we push args, hand off all insns
6936 to dwarf2out_frame_debug.
6937 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
6939 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
6940 Handle epilogue restore of SP from FP.
6941 * emit-rtl.c (gen_sequence): Still generate a sequence if the
6942 lone insn has RTX_FRAME_RELATED_P set.
6944 * frame.c (extract_cie_info): Handle "e" augmentation.
6945 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
6946 absence of UNALIGNED_*_ASM_OP.
6947 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
6948 (output_call_frame_info): Use "e" instead of "z" for augmentation.
6949 Don't emit augmentation fields length.
6950 (dwarf2out_do_frame): Move outside of #ifdefs.
6951 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
6954 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
6955 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
6956 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
6957 * sparc/sun4gas.h: New file.
6958 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
6960 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
6961 __register_frame_table and __deregister_frame.
6963 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
6965 * except.c (find_exception_handler_labels): Use xmalloc instead of
6966 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
6969 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
6971 * Makefile.in: Various changes to build info files
6972 in the object tree rather than the source tree.
6974 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
6976 * fixinc.math: New file to fix math.h on some systems.
6977 * configure.in (freebsd, netbsd): Use fixinc.math on these
6979 * configure: Rebuilt.
6981 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
6983 * regmove.c (regmove_optimize): If we end up moving the
6984 original insn due to lifetime overlaps, make sure to move
6987 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
6989 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
6991 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
6993 * haifa-sched.c (add_branch_dependences): Make each insn in
6994 a SCHED_GROUP_P block explicitly depend on the previous insn.
6996 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
6998 * except.h: Prototype dwarf2 hooks.
7001 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
7003 * configure.in (native_prefix): Delete.
7004 (mips-dec-netbsd): Don't set prefix.
7005 (*linux*): Don't set prefix.
7007 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
7009 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
7010 defined. If not defined, include <sys/varargs.h> if
7011 HAVE_SYS_VARARGS_H is defined.
7012 * configure.in: Test for varargs.h and sys/varargs.h.
7013 * configure: Regenerate with autoconf.
7014 * config.in: Regenerate with autoheader.
7016 * cpplib.c (quote_string): Cast first arg of sprintf call
7017 from "unsigned char *" to "char *".
7018 (output_line_command): Ditto.
7019 (macroexpand): Ditto.
7020 (do_line): Cast atoi arg from "unsigned char *" to "char *".
7022 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
7024 * version.c: Bump for snapshot.
7026 * Makefile.in (compare): Exit with nonzero status if there
7027 are comparison failures. Note which files failed the
7028 comparison test in .bad_compare.
7030 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7032 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
7034 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
7036 * Makefile.in (LN, LN_S): New macros, use where appropriate.
7037 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
7038 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
7039 * configure: Regenerated.
7041 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
7043 * loop.c (strength_reduce): Fix typo.
7045 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
7047 * m88k/m88k.c (struct option): Rename to struct options.
7048 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
7049 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
7050 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
7051 __DOLPHIN__ or sysV88.
7053 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
7055 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
7058 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
7060 * config.sub: Accept 'amigados' for backward compatability.
7062 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7064 * Makefile.in (testsuite/site.exp): New target.
7065 (check-gcc, check-g++): Depend on testsuite/site.exp.
7066 Don't stop for failure.
7068 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
7070 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
7071 if DWARF2_UNWIND_INFO.
7073 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
7075 Add support for exception handling using DWARF 2 frame unwind info.
7076 Currently works on SPARC and MIPS, and almost on x86.
7078 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
7079 next_stack_level, in_reg_window): Helper fns.
7080 (__throw): Implement for DWARF2_UNWIND_INFO.
7082 * expr.c (expand_builtin): Handle builtins used by __throw.
7083 * tree.h (enum built_in_function): Add builtins used by __throw.
7084 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
7085 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
7086 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
7087 (expand_builtin_extract_return_addr): Likewise.
7088 (expand_builtin_frob_return_addr): Likewise.
7089 (expand_builtin_set_return_addr_reg): Likewise.
7090 (expand_builtin_eh_stub): Likewise.
7091 (expand_builtin_set_eh_regs): Likewise.
7092 (eh_regs): Choose two call-clobbered registers for passing back values.
7094 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
7095 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
7096 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
7097 (stmp-multilib): Likewise.
7098 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
7100 * except.c: #include "defaults.h".
7101 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
7102 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
7103 (register_exception_table_p): New fn.
7104 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
7105 (end_eh_unwinder): Likewise.
7107 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
7108 call __register_frame and __deregister_frame as needed.
7109 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
7110 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
7111 EH_FRAME_SECTION_ASM_OP.
7112 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
7113 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
7114 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
7116 * dwarf2out.c (output_call_frame_info): If no support for
7117 EXCEPTION_SECTION, mark the start of the frame info with a
7119 * collect2.c (frame_tables): New list.
7120 (is_ctor_dtor): Recognise frame entries.
7121 (scan_prog_file): Likewise.
7122 (main): Pass -fno-exceptions to sub-compile. Also do collection
7123 if there are any frame entries.
7124 (write_c_file_stat): Call __register_frame_table and
7125 __deregister_frame as needed.
7126 (write_c_file_glob): Likewise.
7128 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
7129 Also require unaligned reloc support.
7130 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
7131 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
7132 * sparc/sysv4.h: Not here.
7134 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
7135 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
7136 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
7138 * libgcc2.c (L_eh): Reorganize, moving code shared by different
7139 EH implementations to the top.
7140 (find_exception_handler): Split out. Start from 0. Compare against
7142 (__find_first_exception_table_match): Use it.
7143 * except.c (output_exception_table): Don't do anything if there's
7144 no table. Don't output a first entry of zeroes.
7145 (eh_outer_context): Adjust properly.
7146 (add_eh_table_entry): Use xrealloc.
7147 * toplev.c (compile_file): Just call output_exception_table.
7149 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
7151 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
7153 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
7155 * except.c (eh_outer_context): Do masking using expand_and.
7157 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
7159 Add port done awhile ago for the ARC cpu.
7160 * arc/arc.h: New file.
7161 * arc/arc.c: New file.
7162 * arc/arc.md: New file.
7163 * arc/initfini.c: New file.
7164 * arc/lib1funcs.asm: New file.
7165 * arc/t-arc: New file.
7166 * arc/xm-arc.h: New file.
7167 * ginclude/va-arc.h: New file.
7168 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
7169 * ginclude/varargs.h: Likewise.
7170 * Makefile.in (USER_H): Add va-arc.h.
7171 * configure.in (arc-*-elf*): Recognize.
7172 * longlong.h: Add ARC support.
7174 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
7176 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
7177 when clearing non-BLKmode data.
7179 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
7181 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
7182 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
7184 * xm-m88k.h (USG): Only define if it hasn't already been defined.
7186 * Makefile.in (risky-stage1): Delete gratutious whitespace.
7188 * Makefile.in (clean): Delete libgcc1-test.
7190 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
7192 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
7194 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
7197 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7199 * dwarf2out.c (output_call_frame_info): Call named_section.
7201 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
7203 * haifa-sched.c (print_value): Fix last change.
7205 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
7207 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
7210 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
7212 * mips.c (function_prologue): Set up the CFA when ABI_32.
7214 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
7215 for dwarf2 unwind info.
7216 (output_function_prologue, sparc_flat_output_function_prologue): Same.
7218 * final.c (final_end_function): Check dwarf2out_do_frame instead
7219 of DWARF2_DEBUG for dwarf2 unwind info.
7220 (final_scan_insn): Likewise.
7221 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
7224 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
7227 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
7229 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
7231 * v850.h (ASM_SPEC): Pass on target processor.
7232 (CPP_PREDEFINES): Only define if not already specified.
7233 (TARGET_VERSION): Only define if not already specified.
7234 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
7236 (EXTRA_SWITCHES): Extra entries in the switches array.
7237 (TARGET_DEFAULT): Set default target processor.
7239 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
7241 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
7242 cases, add %# and %/, and add : to make them into extended asms.
7244 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
7246 * alias.c (init_alias_analysis): Clean up incompatible pointer
7247 type warning in bzero.
7248 * regmove.c (regmove_optimize): Ditto.
7249 * haifa-sched.c (find_rgns): Ditto.
7251 * haifa-sched.c (print_value): Clean up ptr->int cast
7254 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
7256 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
7257 * install.texi (Configurations): Ditto.
7258 * config.sub: Ditto.
7260 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
7262 * Makefile.in (sdbout.o): Depend on insn-config.h.
7264 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
7266 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
7267 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
7269 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
7271 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
7272 prologue insn, only the first elt is significant.
7273 (output_call_frame_info): For exception handling, always use 4-byte
7274 fields as specified by the dwarf2 spec.
7275 Don't skip trivial FDEs.
7277 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
7279 * version.c: Bump for snapshot.
7281 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
7283 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
7284 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
7287 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
7289 * final.c (shorten_branches): During first pass, assume worst
7290 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
7292 * Makefile.in (distclean): Remove various things left around
7293 by running the testsuite.
7295 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
7297 * configure.in (out_file): Emit definition to config.status in order
7298 to have a defined value for configure.lang.
7299 * configure: Re-built.
7301 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
7303 * configure.in: Make symlink to as-new rather than as.new. Similarly
7305 * configure: Rebuilt.
7307 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
7309 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
7311 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
7313 * sparc/sparc.md: Add ultrasparc scheduling support.
7314 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
7316 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
7318 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
7319 as initial value for real_label_map.
7320 (copy_for_inline): Likewise.
7322 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7324 * sched.c (update_flow_info) When looking if to set found_split_dest
7325 or found_orig_dest, look at all parts of a PARALLEL.
7326 * haifa-sched.c (update_flow_info): Likewise.
7328 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
7330 * v850: New directory for v850 port.
7331 * v850/lib1funcs.asm: New file.
7332 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
7333 * ginclude/va-v850.h: New file.
7334 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
7335 * configure.in (mn10200-*-*): New target.
7336 * configure: Rebuilt.
7337 * config.sub: Handle v850-elf.
7338 * Makefile.in (USER_H): Add va-mn10200.h.
7339 * invoke.texi: Document v850 stuff.
7341 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
7343 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
7344 has integer TYPE_{MAX,MIN}_VALUE before using them.
7346 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
7347 __HPUX_ASM__ versions.
7349 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
7351 * install.sh: Delete duplicate install script.
7353 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
7355 * reg-stack.c (subst_stack_regs): Pop the stack register for a
7356 computed goto which sets the same stack register.
7358 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
7359 destination are both on the regstack.
7360 (subst_stack_regs_pat): Put the destination at the top of the regstack.
7362 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
7364 * mips.md (nonlocal_goto_receiver): Define.
7366 * profile.c (output_arc_profiler): Check next_insert_after for non
7367 NULL before deferencing it.
7369 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
7371 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
7373 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
7375 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
7377 * toplev.c (rest_of_compilation): For passes starting with
7378 flow_analysis, use print_rtl_with_bb instead of print_rtl.
7380 * print-rtl.c (print_rtl_single): Print a single rtl value to a
7383 * flow.c (print_rtl_with_bb): Print which insns start and end
7384 basic blocks. For the start of a basic block, also print the live
7387 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
7389 * toplev.c (main): Change #elif to #else/#ifdef
7391 * tlink.c: Include ctype.h.
7392 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
7394 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
7396 * bitmap.c: Conditionally include stdlib.h.
7397 (free): Provide a declaration if NEED_DECLARATION_FREE.
7399 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
7401 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
7403 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
7405 * profile.c (output_arc_profiler): Verify next_insert_after is an
7406 INSN before and after skipping a stack pop.
7408 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7410 * final.c (shorten_branches): Don't count the lengths of deleted
7413 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
7415 * version.c: Bump for snapshot.
7417 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
7419 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
7420 two bitmaps ANDed together.
7421 (bitmap_print): Declare.
7423 * bitmap.c (function_obstack): Don't declare any more.
7424 (bitmap_obstack): Obstack for allocating links from.
7425 (bitmap_obstack_init): New static to say whether to initialize
7427 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
7428 (bitmap_release_memory): Free all memory allocated from
7431 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
7432 EXECUTE_IF_AND_IN_BITMAP.
7434 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
7436 * alias.c (true_dependence): Address with AND can alias scalars.
7437 (anti_dependence, output_dependence): Likewise.
7439 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
7441 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
7443 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
7444 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
7445 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
7446 definitions. Use -qrtems instead of -mrtems.
7448 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
7450 * xm-sco5.h (sys_siglist): Define.
7451 (SYS_SIGLIST_DECLARED): Likewise.
7453 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
7455 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
7457 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
7459 * except.c (eh_outer_context): Expand masking operation using
7462 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
7464 * alpha.md (floatdisf2-1): New pattern.
7466 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
7468 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
7469 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
7470 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
7471 * gcc.texi: Note that if you define sys_siglist that you should
7472 also define SYS_SIGLIST_DECLARED.
7474 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
7475 are relative to the next instruction, not the current instruction.
7477 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
7479 * local-alloc.c (contains_replace_regs): New function.
7480 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
7481 verify that there is no existing REG_EQUIV note, and add a call to
7482 contains_place_regs.
7484 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7486 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
7487 (STARTFILE_SPEC): Always use crtbegin.o%s
7488 (ENDFILE_SPEC): Always use crtend.o%s.
7490 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
7492 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
7494 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
7495 SFmode for 64 bit hosts.
7497 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
7499 * fixincludes: Permits spaces between # and define. Discard C++
7500 comments in sys/pci.h on HP/UX 10.20.
7502 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
7504 * version.c: Bump for snapshot.
7506 * pa.c (restore_unscaled_index_insn_codes): New function.
7507 (record_unscaled_index_insn_codes): Likewise.
7508 (output_function_prologue): Call restore_unscaled_index_insn_codes.
7509 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
7510 (pa_reorg): Call record_unscaled_index_insn_codes.
7512 * haifa-sched.c (move_insn): Handle notes correctly for insns
7513 with SCHED_GROUP_P set.
7515 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7517 * alpha/xm-linux.h (USE_BFD): Undef before define.
7519 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
7521 * cse.c (cse_insn): Don't record BLKmode values.
7523 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
7525 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
7527 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
7529 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
7530 * collect2.c (sys_errlist): Likewise.
7531 * cpplib.c (sys_errlist): Likewise.
7532 * gcc.c (sys_errlist): Likewise.
7533 * protoize (sys_errlist): Likewise.
7534 * configure.in: Check for strerror.
7535 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
7536 * xm-gnu.h (HAVE_STRERROR): Likewise.
7537 * xm-linux.h (HAVE_STRERROR): Likewise.
7538 * xm-netbsd.h (HAVE_STRERROR): Likewise.
7539 * xm-bsd386.h (HAVE_STRERROR): Likewise.
7540 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
7541 * xm-dos.h (HAVE_STRERROR): Likewise.
7542 * xm-mingw32.h (HAVE_STRERROR): Likewise.
7543 * xm-pa.h (HAVE_STRERROR): Likewise.
7544 * xm-papro.h (HAVE_STRERROR): Likewise.
7545 * xm-sysv4.h (HAVE_STRERROR): Likewise.
7546 * configure, config.in: Rebuilt.
7548 * Makefile.in: Add several missing "else true" clauses.
7550 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
7551 * mips-tfile.c: Likewise.
7552 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
7553 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
7554 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
7555 * configure.in: Check for sys_siglist declaration.
7556 * configure, config.in: Rebuilt.
7558 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
7560 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
7561 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
7562 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
7563 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
7564 * rs6000/sysv4.h (extra_subtarget_switches): Added new
7565 macro EXTRA_SUBTARGET_SWITCHES.
7566 * configure.in (sh*-*-rtems*): New target.
7567 * sh/rtems.h: New file.
7568 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
7569 * configure: Rebuilt.
7571 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
7573 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
7575 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
7577 * rs6000.md: Make DF fused-add operations pay attention to
7580 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
7582 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
7584 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
7586 * pa.md (reload_peepholes): Make sure operand is a REG before
7587 examining REGNO. Allow general registers too.
7589 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
7591 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
7593 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
7595 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
7596 to reallocate abbrev_die_table.
7598 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
7600 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
7602 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7604 * Makefile.in (config.status): Depend on version.c
7606 * expr.h (insn_gen_function): Reenable prototype.
7608 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
7611 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
7613 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
7615 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
7617 * version.c: Bump for latest snapshot.
7619 * bc-optab.c: Conditionally include stdlib.h.
7620 (free): Provide a declaration if NEED_DECLARATION_FREE.
7621 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
7622 * rtl.h (free): Remove declaration.
7623 * tree.h (free): Remvoe declaration.
7625 * configure: Rebuilt.
7627 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
7629 * flags.h (flag_move_all_movables): Declare.
7630 (flag_reduce_all_givs): Likewise.
7631 * loop.c (move_movables): Handle flag_move_all_movables.
7632 (strength_reduce): Handle flag_reduce_all_givs.
7633 * toplev.c (flag_move_all_movables): Define.
7634 (flag_reduce_all_givs): Likewise.
7635 (f_options): Add -fmove-all-movables and -freduce-all-givs.
7636 * invoke.texi: Document new options, including alias stuff that
7637 wasn't included last time.
7639 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
7641 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
7644 * t-vxworks68: Ditto.
7645 * t-vxworks960: Ditto.
7648 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
7650 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
7651 if not already defined, and USE_C_ALLOCA not defined.
7653 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
7655 * config.guess: Replace with script that uses ../config.guess.
7657 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
7658 if USE_GNULIBC_1 is not defined.
7660 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
7662 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
7663 * config.guess: Recognize alpha-linux-gnulibc1.
7664 * configure.in (alpha-*-linux-gnulibc1): New target.
7665 (alpha-*-linux-gnu*): Don't build crtbegin/end.
7667 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
7669 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
7672 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
7674 * loop.c (combine_movables): Earlier insns don't match later ones.
7676 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7678 * config/linux.h (CC1_SPEC): Define it only if not defined.
7680 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
7683 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
7684 USE_GNULIBC_1 is not defined.
7686 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
7688 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
7689 as 1 if USE_GNULIBC_1 is not defined.
7691 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
7693 * reorg.c (dbr_schedule): Allow current_function_return_rtx
7694 to be something other than a REG.
7695 * function.c (expand_function_end): Fix current_function_return_rtx
7698 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
7699 * x-netbsd: Likewise
7700 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
7701 (INSTALL_HEADERS): Delete.
7702 * x-dguxbcs: Likewise.
7703 * x-hp3bsd44: Likewise
7706 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7708 * i386.md (pop): pop increments the stack pointer.
7709 (prologue_set_stack_ptr): New pattern.
7710 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
7713 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
7715 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
7716 address where an offsettable address is required.
7718 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
7720 * loop.c (check_final_value): Don't miss a biv increment in a
7723 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
7725 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
7726 TYPE_DECL_IS_STUB instead of DECL_NAME.
7728 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7730 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
7732 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
7734 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
7736 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
7738 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
7739 (find_post_sched_live): Likewise.
7741 * haifa-sched.c (schedule_block): Remove old code to get arguments
7742 from hard regs into pseudos early.
7744 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
7746 * version.c: Bump for new snapshot.
7748 * local-alloc.c (update_equiv_regs): All the target to reject
7749 promotion of some REG_EQUAL to REG_EQUIV notes.
7750 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
7752 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
7755 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
7756 store of the argument registers.
7758 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
7760 * fold-const.c (multiple_of_p): New function.
7761 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
7763 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
7765 * expr.h (insn_gen_function): Temporarily remove prototype.
7767 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
7769 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
7770 filenames. Use sed to extract base filename for install.
7772 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
7774 * unroll.c (find_splittable_givs): Only share if two givs have the
7775 same add and multiply values.
7777 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
7779 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
7780 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
7782 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
7784 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
7785 around branch tables.
7786 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
7787 and .end_brtab directives if TARGET_GAS.
7789 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
7791 * alias.c (true_dependence): Pass x_addr not x to varies.
7793 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
7794 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
7795 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
7797 * config.in, configure: Regenerate.
7799 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
7801 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
7803 (record_set): Handle LO_SUM like PLUS.
7804 (init_alias_analysis): When following chains of base addresses,
7805 do not stop on reaching a hard register.
7807 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
7809 * version.c: Bump for new snapshot.
7811 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
7813 * alpha.h (ARCH_ASM_FILE_START): Define.
7814 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
7815 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
7817 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
7819 * Makefile.in (install-common): Put gcov comment at start of line.
7821 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
7823 * alias.c (init_alias_analysis): When simplifying the reg_base_value
7824 array, simplify entries for hard registers too.
7826 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
7828 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
7831 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
7833 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
7834 block_stack before dereferencing it.
7836 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
7838 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
7840 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
7842 * cplus-dem.c: Add 'extern' to prepends_underscore.
7844 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
7846 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
7847 (get_issue_rate): Delete.
7848 * pa.h (ISSUE_RATE): Define.
7850 * configure.in: Turn on haifa by default for the PA.
7851 * configure: Rebuilt.
7852 * pa.c (override_options): Accept -mschedule=7200 option.
7853 (pa_adjust_cost): No longer need to scale costs for newer
7855 * pa.h (enum processor_type): Add PROCESSOR_7200.
7856 * pa.md: Revamp scheduling parameters to work better with
7857 haifa. Add scheduling parameters for the 7200.
7859 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
7861 (schedule_block): When adjusting basic_block_{head,end}, account
7862 for movement of SCHED_GROUP_P insns too.
7864 * haifa-sched.c (debug_dependencies): Fix thinko.
7866 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
7867 (site.exp, check, check-g++, check-gcc): New targets.
7869 * haifa-sched.c: Make lots of variables static.
7871 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7873 * expr.h, real.h: Finish prototyping.
7875 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
7877 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
7878 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
7879 * reload1.c: Undo bugfix from Aug 11.
7881 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
7883 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
7884 quotes around the name.
7885 * configure: Regenerate.
7887 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
7889 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
7891 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
7893 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
7894 to sub-makes to avoid building more passes than the user might have
7895 requested on the command line.
7897 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
7899 * configure.in: Expurgate `broken_install' (install is
7902 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
7905 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
7907 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
7908 functions and declarations.
7909 (analyze_loop_iterations): Use condjump_p.
7910 (insert_bct): Likewise. Use exact_log2.
7912 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
7914 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
7915 (schedule_region): Likewise.
7916 (schedule_insns): Likewise.
7918 * PROJECTS: Update with Haifa stuff.
7920 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
7922 * version.c: Change the version string to look like:
7923 egcs-2.90.00 970814 (gcc2-970802 experimental).
7925 * loop.c (is_conditional_branch): Make definition match declaration.
7927 * gcc.c: Take out experimental snapshot warning message.
7929 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
7931 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
7932 print out the names of the notes. Print out the name of the insn
7933 that is not a note, and not an {,CALL_,JUMP_}INSN.
7935 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
7937 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
7938 again for the slot after we give it RTL.
7940 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
7942 * configure.in (haifa configury): Fix typo.
7943 * configure: Regenerate.
7945 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
7947 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
7949 * gcc.info*: Rebuilt.
7951 * COPYING.g77, README.g77: New files.
7952 * real.c (ereal_unto_float, ereal_unto_double): New functions.
7953 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
7954 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
7956 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
7958 * Integrate Haifa instruction scheduler.
7959 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
7960 to sched with $(SCHED_CFLAGS.
7961 * configure.in: Handle --enable-haifa.
7962 * configure: Rebuilt.
7963 * flags.h: Add new flags for haifa instruction scheduler.
7964 * genattrtab.c (expand_units): For haifa, don't subtract one
7965 when computing blockage.
7966 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
7967 (flag_schedule_speculative): Ditto.
7968 (flag_schedule_speculative_load): Ditto.
7969 (flag_schedule_speculative_load_dangerous): Ditto.
7970 (flag_schedule_reverse_before_reload): Ditto.
7971 (flag_schedule_reverse_after_reload): Ditto.
7972 (flag_branch_on_count_reg): Ditto.
7973 (f_options): Add Haifa switches.
7974 (main): Turn off some Haifa options if appropriate macro is
7975 defined. Process Haifa switches.
7976 * unroll.c (iteration_info): No longer static, since Haifa
7978 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
7979 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
7980 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
7981 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
7982 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
7983 storage for the Haifa scheduler.
7984 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
7986 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
7987 are defined, call analyze_loop_iterations and insert_bct to use
7989 (record_giv): Refine test for jumps out of loops if HAIFA is
7991 (analyze_loop_iterations): New function to identify if we can use
7993 (insert_bct): Insert countdown loop.
7994 (instrument_loop_bct): Low level code to insert countdown loop.
7995 (loop_number): Calculate UID of loop.
7996 (indirect_jump_in_function_p): Return true if an indirect jump is
7998 (is_power_of_2): Return true if value is a power of 2.
7999 (is_conditional_branch): Return true if insn is a conditional
8001 (fix_bct_param): Process -fbct-{min,max}-N switches.
8002 (check_bct_param): Return true if loop should be instrumented.
8003 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
8004 (loop_optimize): Initialize.
8005 (get_condition_for_loop): Ditto.
8006 * loop.c (strength_reduce): Inside of code that uses #ifdef
8007 HAVE_decrement_and_branch_on_count code, test it to make sure the
8009 (instrument_loop_bct): Ditto.
8010 * haifa-sched.c: New file.
8013 * Integrate regmove pass.
8014 * Makefile.in (OBJS): Add regmove.o
8015 (regmove.o): Add dependencies.
8016 * flow.c (find_use_as_address): No longer static.
8017 * rtl.h (find_use_as_address): Declare.
8018 * toplev.c (regmove_dump, flag_regmove): Define.
8019 (f_options): Add -fregmove.
8020 (regmove_dump_file, regmove_time): Define.
8021 (fatal_insn): Close the regmove dump file.
8022 (compile_file): Initialize regmove_time; open/close the regmove dump
8023 file as needed. Print regmove time as needed.
8024 (rest_of_compilation): Run regmove pass if requested, dump
8025 RTL after regmove if requested.
8026 (main): If -O2 or more, turn on regmove. Handle dump switches.
8027 * regmove.c: New file.
8029 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
8031 * Integrate tlink patch from jason@cygnus.com
8032 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
8033 (process_command): Increment n_switches for them. Don't discard
8034 their args. Validate them.
8035 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
8037 (process_command): Set include_prefixes from COMPILER_PATH.
8038 (main): Set COLLECT_GCC_OPTIONS sooner.
8039 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
8040 * tlink.c, hash.c, hash.h: New files.
8041 * Makefile.in (USE_COLLECT2): Always use collect2.
8042 (collect2): Depend on and link in hash.o and tlink.o.
8043 (tlink.o, hash.o): Add dependencies.
8045 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
8047 * Integrate alias analysis changes from jfc@mit.edu
8048 * Makefile.in (OBJS): Add alias.o
8049 (alias.o): Add dependencies.
8050 * alias.c: New file.
8051 * sched.c: Remove alias analysis code. It lives in alias.c now.
8052 (sched_analyze_2): Add new arguments to true_dependence.
8053 (schedule_insns): Always call init_alias_analysis.
8054 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
8055 mark return value from such functions as a pointer and keep track of
8056 them for alias analysis. If a return value from a function is a
8057 pointer, mark it as such.
8058 * combine.c (distribute_notes): Handle REG_NOALIAS.
8059 * cse.c (struct write_data): Delete. No longer needed.
8060 (invalidate): Don't call set_nonvarying_address_components anymore.
8061 Use true_dependence to decide if an entry should be removed from
8063 (invalidate_memory): Remove WRITES argument, simplify appropriately.
8065 (note_mem_written): Similarly for WRITE_PTR argument.
8066 (invalidate_from_clobbers): Similarly for W argument.
8067 (invalidate_for_call): Remove memory elements from the hash table.
8068 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
8069 (cse_rtx_varies_p): New function. Derived from old
8070 cse_rtx_addr_varies_p.
8071 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
8072 Don't call note_mem_written anymore. Stack pushes invalidate the stack
8073 pointer if PUSH_ROUNDING is defined. No longer need to call
8074 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
8075 (skipped_writes_memory): Remove variable.
8076 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
8077 (invalidate_skipped_block): Simplify for new alias analysis code.
8078 (cse_set_around_loop): Likewise.
8079 (cse_main): Call init_alias_analysis.
8080 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
8081 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
8082 (f_options): Add new alias checking arguments.
8083 (main): Set flag_alias_check when optimizing.
8084 * local_alloc (validate_equiv_mem_from_store): Add new arguments
8086 (memref_referenced_p): Likewise.
8087 * loop.c (NUM_STORES): Increase to 30.
8088 (prescan_loop): Only non-constant calls set unknown_address_altered.
8089 (invariant_p): Add new arguments to true_dependence.
8090 (record_giv): Initialize unrolled and shared fields.
8091 (emit_iv_add_mult): Call record_base_value as needed.
8092 * loop.h (struct induction): Add unrolled and shared fields.
8093 * unroll.c (unroll_loop): Call record_base_value as needed.
8094 (copy_loop_body): Likewise.
8095 (final_biv_value): Likewise.
8096 (final_giv_value): Likewise.
8097 (find_splittable_regs): Likewise. Only create one new pseudo
8098 if we have multiple address GIVs that were combined with the same
8099 dst_reg GIV. Note when a new register is created due to unrolling.
8100 * rtl.c (reg_note_name): Add REG_NOALIAS.
8101 * rtl.h (enum reg_note): Similarly.
8102 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
8103 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
8104 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
8105 (true_dependence, read_dependence, anti_dependence): Likewise.
8106 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
8107 (mark_user_reg, mark_reg_pointer): Likewise.
8110 * Integrate reload bugfix from Wilon which enables the PA port
8112 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
8113 OPERAND_ADDRESS when computing how many registers an insn needs.
8114 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
8116 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
8118 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
8119 in reload_reg_use_in_op_addr do not reach the end.
8120 do not reach the end.
8121 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
8122 RELOAD_FOR_OPERAND_ADDRESS.
8124 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
8126 * egcs project officially starts.