1 Tue Apr 21 09:43:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 * objc/sendmsg.c: Define gen_rtx_MEM() to 1, as is already done
6 Tue Apr 21 02:15:36 1998 Richard Henderson <rth@cygnus.com>
8 * sparc.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Rewrite
9 to not be so gross, and to properly function with PIC.
11 Mon Apr 20 20:44:25 1998 Jim Wilson <wilson@cygnus.com>
13 * frame.c (heapsort): Rename to frame_heapsort.
15 * gcc.c (do_spec_1, case '['): Move flag out of loop and initialize it.
17 Mon Apr 20 12:43:09 1998 Doug Evans <devans@canuck.cygnus.com>
19 * flow.c (sbitmap_vector_alloc): Ensure sbitmaps properly aligned.
21 Mon Apr 20 15:04:14 1998 John Wehle (john@feith.com)
23 * i386.md (movsf_push, movdf_push, movxf_push): Allow memory
24 operands during and after reload.
26 Mon Apr 20 22:37:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
28 * final.c (shorten_branches, init_insn_lengths): Move code
29 to free label_align, uid_shuid, insn_lengths, insn_addresses
30 and uid_align from the former function into the latter one;
31 Add code to clear these variables.
32 * sh.h (label_align): Remove declaration.
34 Mon Apr 20 14:48:29 1998 Michael Meissner <meissner@cygnus.com>
36 * gcc.c (lang_specific_driver): Declare prototype properly so
37 fatal can be passed to it without error.
39 * configure.in (AC_CHECK_FUNCS): Check for strchr and strrchr.
40 * configure: Regenerate.
41 * config.in: Add #undef's for strchr and strrchr.
43 * protoize.c (toplevel): If we have rindex, but not strrchr, map
45 (file_could_be_converted): Use strrchr, not rindex since rindex is
46 not defined on Linux systems when _POSIX_SOURCE is defined.
47 (file_normally_convertible): Ditto.
48 (process_aux_info_file): Ditto.
51 * rs6000.md (mov{sf,df} define_splits): When splitting a move of
52 a constant to an integer register, don't split the insns that do
53 the simple AND and OR operations, rather just split each word, and
54 let the normal movsi define split handle it further.
56 Mon Apr 20 18:19:40 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
58 * sh.c (find_barrier): Fix bug in ADDR_DIFF_VEC handling.
59 (split_branches): Call init_insn_lengths.
61 Mon Apr 20 07:37:49 1998 Michael Meissner <meissner@cygnus.com>
63 * i386.c: Include expr.h to get the change_address prototype
66 Mon Apr 20 01:00:05 1998 H.J. Lu (hjl@gnu.org)
68 * reg-stack.c (subst_asm_stack_regs): Change to return the last
69 new insn generated by this function.
70 (subst_stack_regs): Likewise.
71 (convert_regs): Record the last newly generated insn and use
72 it for change_stack () instead of INSN.
74 Sun Apr 19 15:41:24 1998 Manfred Hollstein <manfred@s-direktnet.de>
76 * fix-header.c (enum special_file): Undefine enumerators if they
77 are already defined by include files.
78 * fixproto (rel_source_file in unistd.h stdlib.h): Prefix file protection
79 macro with '__' to not pollute user namespace.
81 Sun Apr 19 02:42:06 1998 Richard Henderson <rth@cygnus.com>
83 * haifa-sched.c (queue_to_ready): Fix typo in prototype.
85 Sat Apr 18 23:52:35 PDT 1998 Jeff Law (law@cygnus.com)
87 * version.c: Bump for snapshot.
89 Sat Apr 18 18:30:22 1998 Jim Wilson <wilson@cygnus.com>
91 * i386.md (fix_truncsfdi2+[123]): Add + to operand 1 constraints.
93 * i386.h (CPP_CPU_DEFAULT): Renamed to CPP_CPU_DEFAULT_SPEC.
94 Add missing -Dpentium* options.
95 (CPP_CPU_SPEC): Delete redundant definition. Include cpp_cpu_default
96 instead of CPP_CPU_DEFAULT.
97 (EXTRA_SPECS): Add entry for cpp_cpu_default.
99 Sat Apr 18 19:06:59 1998 David Edelsohn <edelsohn@mhpcc.edu>
101 * rs6000.md (floatsidf2_loadaddr): rs6000_fpmem_offset will be
102 negative in a stackless frame.
103 * rs6000.c (rs6000_stack_info): Don't include fixed-size link area
104 in stackless frame size. Support 64-bit stackless frame size.
105 Combine fpmem offset calculations and don't add total_size to
106 offset if not pushing a stack frame.
108 Sat Apr 18 15:41:16 1998 Jim Wilson <wilson@cygnus.com>
110 * regmove.c (fixup_match_1): In three places, in flag_exceptions
111 check, change p to q.
113 Sat Apr 18 15:30:49 1998 Jim Wilson <wilson@cygnus.com>
115 * gcc.c (lang_specific_driver): Add new parm type to prototype.
116 (added_libraries): New file scope static variable.
117 (process_command): Initialize added_libraries. Pass it to
118 lang_specific_driver.
119 (main): Use added_libraries in check for no input files.
121 Sat Apr 18 01:23:11 1998 John Carr <jfc@mit.edu>
123 * sparc.c, sparc.h, sparc.md, sol2.h: Many changes related to V9
124 code generation. Use 64 bit instructions in 32 bit mode when
125 possible. Use V9 return instruction. UltraSPARC optimizations.
127 * sparc.h: Change gen_rtx (CODE to gen_rtx_CODE (.
129 Fri Apr 17 22:38:17 1998 Jeffrey A Law (law@cygnus.com)
131 * global.c (global_alloc): Don't pass HARD_CONST (0) to find_reg,
132 just pass zero. That will work regardless of the size of HARD_REG_SET.
134 * libgcc2.c (__floatdisf): Fix a couple typos.
136 Fri Apr 17 17:28:26 1998 Jim Wilson <wilson@cygnus.com>
138 * Makefile.in (mostlyclean): Delete *.mach and *.bp files.
140 Fri Apr 17 16:35:35 1998 Greg McGary <gkm@gnu.org>
142 * emit-rtl.c (gen_highpart): initialize `word' properly for pseudo.
144 Fri Apr 17 14:30:37 1998 John Carr <jfc@mit.edu>
146 * emit-rtl.c (operand_subword_force): If a register can not be
147 accessed by words, copy it to a pseudo register.
149 Fri Apr 17 14:30:37 1998 Jim Wilson <wilson@cygnus.com>
151 * rs6000/vxppc.h (CPP_SPEC): Add support for mrelocatable*.
153 Fri Apr 17 17:01:25 1998 Michael Meissner <meissner@cygnus.com>
155 * tree.h (mark_seen_cases): Delete declaration.
157 Fri Apr 17 13:32:20 1998 Jeffrey A Law (law@cygnus.com)
159 * stmt.c (mark_seen_cases): Make static and add prototype.
161 Fri Apr 17 11:21:43 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
163 * frame.c: Include stdlib.h and unistd.h to possibly get various
164 function prototypes. The fixproto script guarantees these header
165 files exist on the target system.
166 * libgcc2.c: Likewise.
168 * gthr-single.h (__gthread_mutex_lock, __gthread_mutex_trylock,
169 __gthread_mutex_unlock): Add __attribute__ ((__unused__)) to the
171 * libgcc2.c (__udiv_w_sdiv): Likewise.
173 Thu Apr 16 22:41:02 1998 Jeffrey A Law (law@cygnus.com)
175 * varasm.c (asm_output_bss): Add prototype.
176 (asm_output_aligned_bss): Likewise.
178 * unroll.c (verify_addresses): Add prototype.
180 * toplev.c: Add many prototypes. Too many to mention here.
182 * stmt.c (check_seenlabel): Add prototype.
184 * rtlanal.c (reg_set_p_1): Add prototype.
185 (reg_set_last_1): Likewise.
187 * reorg.c (find_dead_or_set_registers): Add prototype.
189 * regmove (try_auto_increment): Add prototype.
191 * reg-stack.c (pop_stack): Add prototype.
193 * recog.c (validate_replace_rtx_1): Add prototype.
194 (find_cosntant_term_loc): Likewise.
196 * loop.c (regs_patch_p): Add prototype.
197 (add_label_notes, count_nonfixed_reads): Likewise.
198 (find_single_use_in_loop): Likewise.
199 (express_from): Surround prototype with #ifdef.
200 (giv_sort): Similarly.
202 * jump.c (mark_modified_reg): Add prototype.
204 * haifa-sched.c (is_prisky): Add prototype.
205 (queue_to_ready): Likewise.
207 * genextract.c (gen_insn): Add prototype.
209 * genemit.c (max_operand_1): Add prototype.
210 (max_operand_vec, print_code, gen_exp, gen_insn): Likewise.
211 (gen_expand, gen_explit, output_add_clobbers): Likewise.
212 (output_init_mov_optab): Likewise.
214 * genattrtab.c (attr_hash_add_rtx): Add prototype.
215 (attr_hash_add_string, write_length_unit_log): Likewise.
217 * genattr.c (init_range): Add prototype.
219 * combine.c (sets_function_arg_p): Add prototype.
221 * expr.c (store_constructor_field): Add prototype.
222 (get_memory_usage_from_modifier): Likewise
224 * expmed.c (synth_mult): Add prototype.
225 (choose_multiplier, invert_mod2n): Likewise.
227 * except.c (push_eh_entry): Add prototype.
228 (pop_eh_entry, enqueue_eh_entry, dequeu_eh_entry): Likewise.
229 (call_get_eh_context, start_dynamic_cleanup): Likewise.
230 (start_dynamic_handler, can_throw): Likewise.
231 (output_exception_table_entry, scan_region): Likewise.
232 (eh_regs, set_insn_eh_region): Likewise.
234 * dwarfout.c (decl_class_context): Add prototype.
235 (output_inheritance_die, type_ok_for_scope): Likewise.
237 * c-lex.c (skip_white_space_on_line): Add prototype.
239 * alias.c (record_set): Add prototype.
240 (find_base_term, base_alias_check): Likewise.
242 * function.c (assign_outer_stack_local): Make static and add prototype.
244 * haifa-sched.c (build_control_flow): Accept raw data as inputs
245 instead of computing it locally. Callers changed.
246 (find_rgns): Several new arguments. Callers changed.
247 Generally clean up and comment better. Use dominators to
248 identify reducible loops. Convert some flag arrays to bitmaps.
249 Convert most of the code to work on pred/succ lists instead of
250 an edge table. Add comments for future improvements.
251 (schedule_insns): Allocate temporary tables for flow data, call
252 routines to compute flow data and pass it along to children as
254 (debug_control_flow): Delete. Use dump_bb_data instead.
256 * basic-block.h (compute_dominators): Declare.
258 * flow.c (dump_sbitmap, dump_sbitmap_vector): New debugging
260 * basic-block.h: Declare them.
262 Thu Apr 16 13:45:51 1998 Jim Wilson <wilson@cygnus.com>
264 * reg-stack.c (constrain_asm_operands): Set n_alternatives to zero if
267 Wed Apr 15 11:33:09 1998 Alexandre Petit-Bianco <apbianco@sendai.cygnus.com>
269 * tree.c (build_expr_wfl): Use NULL_TREE if the file name is NULL.
270 Propagate TREE_SIDE_EFFECTS and TREE_TYPE iff the encapsulated
271 node is non NULL. Cache last file name and file name identifier node.
273 1998-04-15 Mark Mitchell <mmitchell@usa.net>
275 * c-common.c (declare_hidden_char_array): Use TYPE_DOMAIN to get
276 the length of an array, not TREE_TYPE.
278 Wed Apr 15 15:31:34 1998 Jeffrey A Law (law@cygnus.com)
280 * flow.c (sbitmap_union_of_successors): New function.
281 * basic-block.h (sbitmap_union_of_successors): Declare it.
283 Wed Apr 15 12:38:03 1998 Jim Wilson <wilson@cygnus.com>
285 * configure.in (gnu_ld): Rename to gnu_ld_flag before main loop.
286 Set gnu_ld to gnu_ld_flag inside main loop.
289 Wed Apr 15 14:50:05 1998 Dave Brolley <brolley@cygnus.com>
291 * toplev.c (compile_file): Call init_parse using new interface.
292 (init_lex): Remove declaration.
294 * c-lex.c (init_parse): Now returns char* containing filename.
296 Wed Apr 15 12:37:10 1998 Jeffrey A Law (law@cygnus.com)
298 * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing if not optimizing.
300 Wed Apr 15 12:10:18 1998 Michael Meissner <meissner@cygnus.com>
302 * Makefile.in (gen{config,flags,codes,emit}): Link in host print-rtl.o.
303 (gen{extract,peep,opinit,output}): Ditto.
305 * gen{attr,codes,config,emit,output}.c (insn_attr_name): Provide a
306 global definition so print-rtl.o can be linked in.
307 * gen{peep,recog}.c (insn_attr_name): Ditto.
309 Tue Apr 14 07:30:57 1998 K. Richard Pixley <rich@kyoto.noir.com>
311 * fixincludes: discard empty C++ comments, as found in sys/time.h
314 Wed Apr 15 10:47:21 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
316 * config/m68k/m68k.md (adddi3, subdi3): Optimize for constant
319 Wed Apr 15 01:21:21 1998 Jeffrey A Law (law@cygnus.com)
321 * emit-rtl.c (operand_subword): Rework slightly to avoid
322 bogus warning from previous change.
324 Tue Apr 14 23:39:13 1998 Richard Henderson <rth@cygnus.com>
326 * alpha.md: Revert Oct 27 change, as it is superceeded by Kenner's
327 Nov 8 find_replacement change. Move decls of get_unaligned_address
330 Tue Apr 14 22:00:39 1998 John Carr <jfc@mit.edu>
332 * function.c (assign_parms): Initialize unsignedp before passing
333 its pointer to promote_mode.
335 * genattrtab.c (check_attr_test): Handle MATCH_INSN like MATCH_OPERAND.
336 (write_test_expr): Allow MATCH_INSN.
338 Tue Apr 14 21:57:57 1998 Paul Eggert <eggert@twinsun.com>
340 * install.texi: Update section on warnings that can be safely ignored.
342 Tue Apr 14 14:55:16 1998 Jim Wilson <wilson@cygnus.com>
344 * mips.md (reload_outdi): Change the scratch mode from DImode to
345 TImode. New variable scratch, used instead of operand[2] in template.
346 Add code for MIPS16 HILO_REGNUM case where output reg is not M16_REG_P.
348 Tue Apr 14 16:19:03 1998 Michael Meissner <meissner@cygnus.com>
350 * expr.c (MOVE_RATIO): Set to 3 if optimizing for space.
352 Tue Apr 14 11:31:28 1998 Krister Walfridsson <cato@df.lth.se>
354 * i386/bsd386.h (ASM_OUTPUT_ALIGN): Redefine.
356 Tue Apr 14 09:02:32 1998 Jeffrey A Law (law@cygnus.com)
358 * svr4.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
359 (ASM_FINISH_DECLARE_OBJECT): Likewise.
361 * Idea and part of the patch from HJ.
362 * Makefile.in: auto-host.h renamed from auto-config.h. All references
364 (distclean): Remove auto-build.h too.
365 * configure.in: Rename host autoconf generated file to auto-host.h.
366 If host != build, then run autoconf to generate auto-build.h for
367 the build machine and include it in build_xm_files.
368 Check for wait.h and sys/wait.h.
370 * combine.c (simplify_rtx, case TRUNCATE): Respect value of
371 TRULY_NOOP_TRUNCATION.
373 Mon Apr 13 11:31:49 1998 Jason Merrill <jason@yorick.cygnus.com>
375 * tree.h (BINFO_OFFSET_ZEROP): Use integer_zerop.
377 Sun Apr 12 20:55:32 1998 Catherine Moore <clm@cygnus.com>
379 * invoke.texi (ld options) Include memset requirements
380 for options -nodstdlib and -nodefaultlibs.
382 1998-04-12 Paul Eggert <eggert@twinsun.com>
384 This change is from an idea suggested by Arthur David Olson.
386 * c-common.c (decl_attributes, record_function_format,
387 check_format_info, init_function_format_info):
388 Add support for strftime format checking.
389 (enum format_type): New type.
390 (record_function_format): Now static, and takes value of type
391 enum format_type instead of int.
392 (time_char_table): New constant.
393 (struct function_format_info): format_type member renamed from is_scan.
394 (check_format_info): Use `warning' rather than sprintf followed by
395 `warning', to avoid mishandling `%' in warnings.
396 Change `pedwarn' to `warning', since these warnings do not necessarily
397 mean the program does not conform to the C Standard, as the code
398 need not be executed.
400 * c-tree.h (record_function_format): Remove decl; no longer extern.
402 * extend.texi: Add documentation for strftime format checking.
404 Sun Apr 12 20:23:03 1998 Jeffrey A Law (law@cygnus.com)
406 * mips/ecoffl.h: Do not include mips.h.
407 * mips/elf.h: Likewise.
409 * configure.in (mips-*-ecoff): Do not mention mips/mips.h in tm_files.
410 * mips/ecoff.h: Include "mips/mips.h".
412 Sat Apr 11 22:42:54 PDT 1998 Jeff Law (law@cygnus.com)
414 * version.c: Bump for snapshot.
416 Sat Apr 11 01:24:28 1998 Jeffrey A Law (law@cygnus.com)
418 * cse.c (count_reg_usage): Correctly handle REG_NONNEG notes.
419 (delete_trivially_dead_insns): Renamed from delete_dead_from_cse.
420 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns instead of delete_dead_from_cse. Also call delete_trivially_dead_insns
421 between loop optimization passes.
422 * rtl.h: Updated appropriately.
424 Fri Apr 10 22:28:32 1998 Jeffrey A Law (law@cygnus.com)
426 Reinstall this patch from Jason.
427 * function.c (push_function_context_to): Don't call init_emit.
429 Fri Apr 10 13:40:20 1998 Nick Clifton <nickc@cygnus.com>
431 * rtl.c (read_skip_spaces): Prevent infinite loops upon
432 encountering unterminated comments.
434 Fri Apr 10 10:43:41 1998 Jeffrey A Law (law@cygnus.com)
436 * emit-rtl.c (operand_subword): Properly handle CONST_INTs for
439 * configure.in: Handle --with-fast-fixincludes.
440 (fixincludes): If --with-fast-fixincludes, then use a different
441 fixincludes program by default.
442 * Makefile.in (fixinc.sh): New rule.
444 Fri Apr 10 00:36:31 1998 H.J. Lu (hjl@gnu.org)
446 * i386.md (movqi+1): Handle invalid QI register.
447 (movsf_push-1): Likewise.
449 Thu Apr 9 16:53:59 1998 Nick Clifton <nickc@cygnus.com>
451 * config/m32r/m32r.c: call_address_operand(): Only accept symbolic
453 symbolic_memort_operand(), call32_operand(), int8_operand(),
454 int16_operand(), uint24_operand(), reg_or_int8_operand(): Removed.
456 uint16_operand(): Made static.
458 Thu Apr 9 01:43:04 1998 Jeffrey A Law (law@cygnus.com)
460 * calls.c (expand_call): Fix typo.
462 Thu Apr 9 00:18:44 1998 Dave Brolley (brolley@cygnus.com)
464 * c-lex.c (finput): New global.
465 (init_parse): Always included. Handle !USE_CPPLIB using
466 code originally in compile_file.
467 (finish_parse): Update for CPPLIB.
468 * toplev.c (init_parse, finish_parse): Declare.
469 (finput): Delete variable. Now in front-ends.
470 (compile_file): Remove code which is now handled by init_parse
471 which is unconditionally called. Similarly for finish_parse.
473 Wed Apr 8 23:13:50 1998 Gavin Koch <gavin@cygnus.com>
475 * config/mips/r3900.h (ASM_OUTPUT_DEF,SUPPORTS_WEAK,
476 ASM_WEAKEN_LABEL): Add.
478 Wed Apr 8 18:21:30 1998 Richard Henderson <rth@cygnus.com>
480 * alpha/crtbegin.asm, alpha/crtend.asm, alpha/t-crtb: New files.
481 * configure.in (alpha-*-linux*): Use them.
483 Fri Apr 3 17:02:13 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
485 * tree.def (EXPR_WITH_FILE_LOCATION): New tree node definition.
486 * tree.h (EXPR_WFL_{NODE,FILENAME,FILENAME_NODE,LINENO,
487 COLNO,LINECOL,SET_LINECOL,EMIT_LINE_NOTE}): New macros.
488 (build_expr_wfl): New prototype declaration.
489 * tree.c (build_expr_wfl): New function, to build
490 EXPR_WITH_FILE_LOCATION nodes.
491 (copy_node): Don't zero TREE_CHAIN if copying a
492 EXPR_WITH_FILE_LOCATION node.
493 * print-tree.c (print_node): Handle EXPR_WITH_FILE_LOCATION.
494 * expr.c (expand_expr): Handle EXPR_WITH_FILE_LOCATION.
496 Wed Apr 8 12:51:19 1998 Jeffrey A Law (law@cygnus.com)
498 * configure.in (v850): Use t-v850.
499 (ix86-wrs-vxworks): Recognize 786 just like other x86 configurations.
501 * protoize.c (creat, read, write): Do not declare.
503 * jump.c (mark_jump_label): Record REG_LABEL notes for insns which
504 refer to the CODE_LABEL before a dispatch table.
506 * invoke.texi: Add ARC options.
508 * gcc.c (proces_command): Improve error message for -o with
511 * i386/x-cygwin32 (CLIB): Link in advapi32.
513 * alpha.h (ASM_IDENTIFY_GCC): Define to nothing.
514 (ASM_IDENTIFY_LANGUAGE): Likewise.
516 * i386.md (movqi recognizer): Don't perfom byte increment into
519 * configure.in (x86-dg-dgux): Run fixinc.dgux.
521 * i370.h: Fix typo in GEN_INT changes.
523 * bitmap.c (bitmap_element_allocate): Use "void" for arglist instead
524 of an empty arglist in prototype.
526 * Makefile.in: Remove bytecode crud that crept back in after the
529 1998-04-08 Brendan Kehoe <brendan@cygnus.com>
531 * c-lex.h (is_class_name): Fix arg type to be tree, not void.
532 (make_pointer_declarator, reinit_parse_for_function): Fix typo.
534 Wed Apr 8 06:16:45 1998 Richard Earnshaw (rearnsha@arm.com)
536 * arm.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
538 Wed Apr 8 00:44:18 1998 Bernd Schmidt (crux@pool.informatik.rwth-aachen.de>
540 * c-lex.c (is_class_name): Delete declaration.
541 (whitespace_cr): Make static and add prototype.
542 * c-lex.h (make_pointer_declarator, reinit_parse_for_function,
543 yylex, get_directive_line): Turn declarations into prototypes.
544 (position_after_whitespace, check_newline, yyerror,, is_class_name,
545 forget_protocol_qualifiers, remember_protocol_qualifiers): Add
547 * genattr.c (extend_range, write_upcase, gen_attr, write_units): Add
549 * gencodes.c (gen_insn): Add prototype.
550 * genconfig.c (walk_insn, gen_insn, gen_expand, gen_split,
551 gen_peephole): Add prototypes.
552 * genflags.c (num_operands, gen_proto, gen_nonproto, gen_insn): Add
554 * gengenrtl.c (type_from_format, accessor_from_format, special_rtx,
555 special_format, find_formats, gendecl, genmacro, gendef, genlegend,
556 genheader, gencode): Add prototypes.
557 * genopinit.c (gen_insn): Add prototype.
558 * genoutput.c (output_prologue, output_epilogue, scan_operands,
559 process_template, validate_insn_alternatives, gen_insn, gen_peephole,
560 gen_expand, gen_split, n_occurrences): Add prototypes.
561 * genpeep.c (gen_peephole): Add prototype.
562 * loop.c (find_and_verify_loops, mark_loop_jump, prescan_loop,
563 reg_in_basic_block_p, consec_sets_invariant_p, libcall_other_reg,
564 labels_in_range_p, count_loop_regs_set, note_addr_stored,
565 loop_reg_used_before_p, scan_loop, replace_call_address,
566 skip_consec_insns, libcall_benefit, ignore_some_movables,
567 force_movables, combine_movables, rtx_equal_for_loop_p, move_movables,
568 strength_reduce, valid_initial_value_p, find_mem_givs, record_biv,
569 check_final_value, record_giv, update_giv_derive, basic_induction_var,
570 simplify_giv_expr, general_induction_var, consec_sets_giv,
571 check_dbra_loop, express_from, combine_givs_p, combine_givs,
572 product_cheap_p, maybe_eliminate_biv, maybe_eliminate_biv_1,
573 last_use_this_basic_block, record_initial, update_reg_last_use,
574 iteration_info, analyze_loop_iterations, insert_bct,
575 instrument_loop_bct, indirect_jump_in_function_p): Turn declarations
578 Tue Apr 7 21:48:52 1998 Jeffrey A Law (law@cygnus.com)
580 * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
582 1998-04-07 Ken Raeburn <raeburn@cygnus.com>
584 * config/mips/mips.c (siginfo): Deleted.
585 (override_options): Don't install SIGINFO signal handler.
587 Tue Apr 7 11:58:04 1998 Jim Wilson <wilson@cygnus.com>
589 * loop.c (check_dbra_loop): When normalize comparison_val, add check
590 to verify it is non-negative.
592 Tue Apr 7 02:01:47 1998 Richard Henderson <rth@cygnus.com>
594 * alpha.c (alpha_expand_block_move): Correctly collect block offsets.
595 (alpha_expand_block_clear): Likewise.
597 Mon Apr 6 23:36:01 1998 Richard Henderson <rth@cygnus.com>
599 * tree.h (sizetype_tab): Fix previous change for K&R.
601 Mon Apr 6 22:23:29 PDT 1998 Jeff Law (law@cygnus.com)
603 * version.c: Bump for snapshot.
605 Mon Apr 6 23:16:10 1998 Richard Earnshaw (rearnsha@arm.com)
607 * configure.in (sparc-*-solaris2*): Add xm-siglist.h to xm_file.
608 Add USG and POSIX to xm_defines.
610 Mon Apr 6 21:49:57 1998 Bob Manson <manson@charmed.cygnus.com>
612 * gcc.c: Add linker spec.
613 (link_command_spec): Use %(linker) instead of ld.
614 (main): If collect2 is requested as the linker, see if it exists;
615 if not, use ld instead.
617 * Makefile.in (USE_COLLECT2): It's named collect2 now, not ld.
619 (install-collect2): Install as collect2, not ld.
621 * configure.in(will_use_collect2): It's named collect2 now.
623 * collect2: Remove checks to see if we were invoked recursively.
624 (collect_execute): Use _spawnvp under cygwin32.
626 Mon Apr 6 17:23:41 1998 Jim Wilson <wilson@cygnus.com>
628 * haifa-sched.c (build_control_flow): Set unreachable for block whose
629 only predecessor is itself.
631 Mon Apr 6 16:08:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
633 * c-parse.in: Include system.h, and remove stuff now made redundant.
636 * protoize.c: Likewise. Properly check for cpp stringification.
638 * Makefile.in (c-parse.o, cccp.o, cexp.o, protoize.o, unprotoize.o):
641 * objc/Make-lang.in (objc-parse.o): Likewise.
643 Mon Apr 6 14:59:58 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
645 * gansidecl.h: Check if compiler supports __attribute__. Provide
646 definitions for ATTRIBUTE_UNUSED and ATTRIBUTE_PRINTF using
647 __attribute__ when its available. Also provide definitions for
648 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2 and ATTRIBUTE_PRINTF_3 in
649 terms of ATTRIBUTE_PRINTF.
651 * genoutput.c (process_template): Use ATTRIBUTE_UNUSED in place
654 Mon Apr 6 07:17:52 1998 Catherine Moore <clm@cygnus.com>
656 * combine.c (can_combine_p): Include successor in volatile test.
658 Mon Apr 6 14:16:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
660 * sh.h (CASE_VECTOR_SHORTEN_MODE): Fix logic when to set
663 Mon Apr 6 02:03:29 1998 Jeffrey A Law (law@cygnus.com)
665 * objc/objc-act.c (encode_aggregate_within): Avoid GNU extensions
666 in prototype and definition.
668 Mon Apr 6 00:48:56 PDT 1998 Jeff Law (law@cygnus.com)
670 * version.c: Bump for snapshot.
672 Mon Apr 6 00:08:50 1998 Richard Henderson <rth@cygnus.com>
674 * alpha.c (alpha_expand_block_clear): Add missing offset arg to
675 alpha_expand_unaligned_store_words.
677 Sun Apr 5 21:31:24 1998 John Wehle (john@feith.com)
679 * i386.md (movsf_push, movsf_mem): Remove.
680 (movsf_push): Rename from movsf_push_nomove and move in front of
681 movsf. Use nonmemory_operand predicate and don't bother checking
683 (movsf_push_memory): New pattern.
684 (movsf): Don't bother checking for push_operand. If TARGET_MOVE and
685 both operands refer to memory then force operand[1] into a register.
686 (movsf_normal): Change to unnamed pattern.
687 Likewise for movdf, movxf, and friends.
689 Sun Apr 5 18:45:51 PDT 1998 Jeff Law (law@cygnus.com)
691 * version.c: Bump for snapshot.
693 Sun Apr 5 16:31:10 1998 Richard Henderson <rth@cygnus.com>
695 * configure.in (alpha-dec-osf*): Match osf1.3 correctly.
697 Sun Apr 5 16:53:37 1998 Don Bowman <don@pixsci.com>
699 * configure.in (mips-wrs-vxworks): New target.
701 Sat Apr 4 23:34:32 PST 1998 Jeff Law (law@cygnus.com)
703 * expmed.c (synth_mult): The value -1, has no zeros, so it can
704 never have the form ...011.
706 * version.c: Bump for snapshot.
708 Sat Apr 4 20:16:46 1998 Richard Henderson <rth@cygnus.com>
710 * i386.c (asm_output_function_prefix, load_pic_register):
711 Use ASM_GENERATE_INTERNAL_LABEL properly.
712 (output_pic_addr_const): Recognize %X to supress any PIC sym suffix.
713 (print_operand): Ignore it.
714 (load_pic_register): Use it for the got load call.
715 * i386.md (prologue_set_got, prologue_get_pc): Likewise.
716 (prologue_get_pc_and_set_got): Likewise.
717 * i386.h: Update print_operand docs.
719 Sat Apr 4 19:08:37 1998 Richard Henderson <rth@cygnus.com>
721 * i386.md (ffssi, ffshi): Rewrite as define_expands.
722 (ffssi_1, ffshi_1): New (unspec [] 5) support patterns.
723 * i386.c (notice_update_cc): Recognize unspec 5.
725 Sat Apr 4 18:07:16 1998 David Mosberger-Tang (davidm@mostang.com)
727 * alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Accept '(' for s/sv/svi.
728 * alpha.c (print_operand): Handle it.
729 * alpha.md (fix_truncsfdi2): Use it. Add earlyclobber pattern
731 (fix_truncdfdi2): Likewise.
733 Sat Apr 4 17:42:05 1998 Richard Henderson <rth@cygnus.com>
735 * tree.h (sizetype_tab[2], sbitsizetype, ubitsizetype): Merge all
736 of these into a single struct, with additional [us]sizetype entries.
737 * stor-layout.c (set_sizetype): Initialize [us]sizetype.
738 * fold-const.c (size_int_wide): Don't rely on sizetype_tab being
741 Sat Apr 4 17:04:41 1998 Richard Henderson <rth@cygnus.com>
743 * configure.in (alpha-*-linux-*): Undo tm_file changes from gcc2 merge.
745 Sat Apr 4 13:50:01 1998 Richard Henderson <rth@cygnus.com>
747 * haifa-sched.c (split_block_insns): Don't supress insn splitting
748 on subsequent passes.
750 * alpha.c (hard_fp_register_operand): New function.
751 * alpha.h (PREDICATE_CODES): Add it.
752 * alpha.md (extendsidi2): Kill bogus f<-f cvtql+cvtlq case. Add an
753 f<-m case and accompanying define_split.
754 (trapb): Use a unique unspec_volatile number.
756 Sat Apr 4 13:32:08 1998 Richard Henderson <rth@cygnus.com>
758 * configure.in (alpha-*-linux-gnu*): Undo Feb 3 change brought in
761 Sat Apr 4 10:23:41 1998 Jeffrey A Law (law@cygnus.com)
763 * Check in merge from gcc2. See ChangeLog.11 and ChangeLog.12
766 * haifa-sched.c: Mirror recent changes from gcc2.
768 Fri Apr 3 00:17:01 1998 Jeffrey A Law (law@cygnus.com)
770 * Makefile.in (insn*.o): Depend on system.h.
772 * pa.c (output_global_address): Initialize base.
773 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Initialize index.
775 1998-04-03 Mike Stump <mrs@wrs.com>
777 * gthr.h: Support systems that don't have weak, but have threads.
778 * configure.in (*wrs-vxworks*): Use VxWorks threads by default.
779 * gthr-vxworks.h: New file.
780 * objc/thr-vxworks.h: Dummy file from thr-single.c for now.
782 Thu Apr 2 18:00:52 1998 Jim Wilson <wilson@cygnus.com>
784 * i386.md (movqi+1): Change alternative 1 from *r/r to *r/*rn.
786 1998-04-02 Vladimir N. Makarov <vmakarov@cygnus.com>
788 * ginclude/va-i960.h (va_end): Change void * to void.
790 Thu Apr 2 13:51:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
792 * Makefile.in (choose-temp.o): Depend on system.h.
794 * choose-temp.c: Include system.h when IN_GCC.
796 Thu Apr 2 02:37:07 1998 Joern Rennecke (amylaar@cygnus.co.uk)
797 Richard Henderson <rth@cygnus.com>
799 * reload.c (find_reloads_address): Try LEGITIMIZE_RELOAD_ADDRESS.
800 (move_replacements): New function.
801 * reload.h: Prototype it.
803 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): New definition.
805 Thu Apr 2 01:01:34 1998 Richard Henderson <rth@cygnus.com>
807 * configure (alpha-*-linuxecoff, alpha-*-linux-gnulibc1):
810 * emit-rtl.c (gen_lowpart_common): Skip count by HARD_REGNO_NREGS.
811 (gen_highpart): Likewise.
812 * final.c (alter_subreg): Allow the target to hook by-mode subreg
813 hard register number changes.
815 Wed Apr 1 22:26:22 1998 Jeffrey A Law (law@cygnus.com)
817 * fold-const.c optimze_bit_field_compare): Initialize rnbitpos,
818 rnbitsize, rnmode and rinner.
819 (make_range): Initialize type.
820 (fold): Initialize arg0, arg1 and varop.
822 * function.c (instantiate_virtual_regs_1): Initialize offset, regnoi
824 (expand_function_start): Initialize last_ptr.
826 * stor-layout.c (layout_record): Initialize desired_align.
827 (get_best_mode): Initialize unit.
829 * tree.c (copy_node): Initialize length.
831 * c-lex.c (yylex): Initialize traditional_type, ansi_type and type.
833 * caller-save.c (insert_save_restore): Initialize pat, code and
836 * emit-rtl.c (push_to_sequence): Initialize top.
837 (push_topmost_sequence): Likewise.
839 * genattrtab.c (simplify_by_exploding): Initialize defval.
841 * profile.c (branch_prob): Initialize dest.
843 * rtl.h (note_stores): Remove duplicate prototype.
844 (GEN_INT): Re-instate cast of second arg to HOST_WIDE_INT.
846 * cplus-dem.c (gnu_special): Don't get confused by .<digits>
847 strings that are not actually lengths.
849 * genattrtab.c: Make generated file use system.h, instead of
850 including stdio.h, etc directly.
851 * genextract.c, genopinit.c, genoutput.c: Likewise.
852 * genpeep.c, genrecog.c: Likewise
854 * genoutput.c (process_template): Mark operands in the generated
855 function as potentially unused if compiling with GNU CC.
857 * i386/freebsd-elf.h (CPP_PREDEFINES): Update from FreeBSD folks.
859 * pa.md (reload peepholes): Remove unused variable "mode".
861 Wed Apr 1 17:06:19 1998 Nick Clifton <nickc@cygnus.com>
863 * config/arm/thumb.h: Add super interworking support.
864 * config/arm/thumb.c: Add super interworking support.
865 * config/arm/thumb.md: Add super interworking support.
866 * config/arm/lib1funcs.asm: Add interworking support.
867 * config/arm/lib1thumb.asm: Add super interworking support.
868 * config/arm/t-semi: Add interworking support.
869 * config/arm/t-thumb: Add interworking support.
870 * config/arm/README-interworking: New file.
872 Wed Apr 1 14:38:10 1998 Jim Wilson <wilson@cygnus.com>
874 * config/mips/iris6.h (MD_EXEC_PREFIX): Set to /usr/bin/.
875 (MD_STARTFILE_PREFIX): Unset.
877 1998-04-01 Mark Mitchell <mmitchell@usa.net>
879 * varasm.c (make_decl_rtl): Update the DECL_ASSEMBLER_NAME for a
880 entity in a local scope.
882 * fold-const.c (fold): Call truthvalue_conversion for values which
883 are folded to boolean type.
885 Wed Apr 1 06:09:53 1998 Jeffrey A Law (law@cygnus.com)
887 * 1750a.md, arm.c, clipper.c, clipper.md: Use GEN_INT consistently.
888 * convex.h, dsp16xx.c, fx80.md, gmicro.c, gmicro.md: Likewise.
889 * i370.h, i370.md, i860.c, i860.h, i860.md, i960.c: Likewise.
890 * i960.h, i960.md, m32r.md, m68k.md, m68kv4.h, m88k.c: Likewise.
891 * m88k.md, ns32k.c, ns32k.md, pdp11.c, pdp11.h, pdp11.md: Likewise.
892 * pyr.c, pyr.h, pyr.md, romp.c, romp.h, romp.md: Likewise.
893 * rs6000.md, sparc.c, sparc.h, sparc.md, spur.c, spur.md: Likewise.
894 * tahoe.md, vax.h, vax.md, we32k.c, we32k.h, we32k.md: Likewise.
897 Wed Apr 1 08:33:44 1998 Manfred Hollstein <manfred@s-direktnet.de>
899 * fixincludes (limits.h): Fix nested comments in Motorola's
900 limits.h and sys/limits.h.
902 Tue Mar 31 16:57:33 1998 Jim Wilson <wilson@cygnus.com>
904 * alpha.c (alpha_expand_unaligned_load): Use tgt instead of addr
905 as dest of expand_binop call.
907 * alpha.md (extzv): Correct check for valid operand[2] values.
909 * profile.c (branch_prob): Add code to recognize HPPA tablejump entry
912 * toplev.c (rest_of__compilation): Call init_recog_no_volatile at end.
914 Mon Mar 30 13:11:05 1998 Stan Cox <scox@cygnus.com>
916 * libgcc2.c: (__main, __do_global_dtors, __do_global_ctors):
917 For __CYGWIN32__ use the versions in winsup/dcrt0.cc.
919 * gcc.c, cccp.c, cpplib.c, collect2.c (GET_ENVIRONMENT): Added.
920 cygwin32 can override this to allow both unix and win32 style PATHs.
922 * i386/xm-cygwin32.h (GET_ENVIRONMENT): Defined to allow win32
923 style environment paths.
925 Mon Mar 30 14:43:20 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
927 * Makefile.in (cppalloc.o, cpperror.o, cppexp.o, cpphash.o,
928 cpplib.o, cppmain.o, fix-header.o, gcov.o, gen-protos.o,
929 gengenrtl.o, halfpic.o, hash.o, scan-decls.o, scan.o): Depend on
932 * cpphash.c: Include config.h.
933 * cppalloc.c: Include system.h. Add parameters to various
935 * cpperror.c: Likewise.
936 * cppexp.c: Likewise.
937 * cpphash.c: Likewise.
938 * cpplib.c: Likewise.
939 * cppmain.c: Likewise.
940 * fix-header.c: Likewise.
942 * gen-protos.c: Likewise.
943 * gengenrtl.c: Likewise.
944 * halfpic.c: Likewise.
946 * scan-decls.c: Likewise.
949 Mon Mar 30 11:06:45 1998 Jim Wilson <wilson@cygnus.com>
951 * README.gnat: Add lang_print_xnode definition.
953 Mon Mar 30 11:12:24 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
955 * config/m68k/m68k.c (standard_68881_constant_p): Don't use
956 fmovecr on the 68060.
958 Mon Mar 30 00:21:03 1998 Jeffrey A Law (law@cygnus.com)
960 * genemit.c (DONE): Rework so that it works in the true arm if
961 an if-else conditional.
964 Sun Mar 29 12:45:23 1998 Jeffrey A Law (law@cygnus.com)
966 * rs6000.c: Do not include stdioh or ctype.h anymore.
968 * Makefile.in (c-typeck.o): Delete on expr.h, insn-codes.h and
970 (stor-layout.o): Likewise.
971 * c-typeck.c: Include rtl.h and expr.h.
972 * stor-layout.c: Likewise.
974 * cpplib.c (cpp_file_line_for_message): Delete unused parameter.
976 (do_sccs): Wrap in an SCCS_DIRECTIVE ifdef.
977 * fix-header.c (cpp_file_line_for_message): Delete unused paramter.
980 * collect2.c (is_in_list): Wrap inside COLLECT_EXPORT_LIST ifdef.
982 * local-alloc.c (reg_classes_overlap_p): Delete dead function.
984 * tree.h (lang_print_xnode): Provide prototype.
986 Sat Mar 28 23:50:44 PST 1998 Jeff Law (law@cygnus.com)
988 * version.c: Bump for snapshot.
990 Sun Mar 29 00:42:21 1998 Jeffrey A Law (law@cygnus.com)
992 * objc/sendmsg.c (__objc_block_forward): Add braces for return
993 value if INVISIBLE_STRUCT_RETURN.
995 * pa.c (arith_double_operand): Fix parens.
997 * haifa-sched.c (print_pattern): Correct arg to sprintf.
999 * Makefile.in (libgcc1.null): Make return type for __foo void.
1001 Sat Mar 28 14:37:20 1998 Jeffrey A Law (law@cygnus.com)
1003 * pa.h: Add declarations for many functions defined in pa.c.
1005 * genpeep.c (main): Remove unused variable 'i' from the generated
1008 * genemit.c (gen_expand): Do not emit "_done" or "_fail" labels.
1009 (gen_split): Likewise.
1010 (main): Rework generated definitions of DONE and FAIL so that they
1011 no longer use gotos. Avoids warnings about unused labels.
1013 * integrate.c (copy_rtx_and_substitute): Rework to avoid need for
1014 unused "junk" variable.
1016 * genattrtab.c (write_complex_function): Add a default case in
1017 generated switch statement to keep -W -Wall quiet.
1019 Sat Mar 28 10:47:21 1998 Nick Clifton <nickc@cygnus.com>
1021 * invoke.texi: Document more ARM and Thumb command line options.
1023 * config/arm/xm-thumb.h: New file.
1025 Sat Mar 28 01:37:33 1998 Craig Burley <burley@gnu.ai.mit.edu>
1027 * stmt.c (expand_expr_stmt): Must generate code for
1028 statements within an expression (gcc's `({ ... )}')
1029 even if -fsyntax-only.
1031 Sat Mar 28 01:06:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1032 Jeffrey A Law (law@cygnus.com)
1034 * basic-block.h (basic_block_computed_jump_target): Declare.
1035 * flags.h: (current_function_has_computed_jump): Declare.
1036 * flow.c: (basic_block_computed_jump_target): Define.
1037 (flow_analysis): Allocate it. Set current_function_has_computed_jump
1039 (find_basic_blocks): Set current_function_has_computed_jump and
1040 elements of basic_block_computed_jump_target to 1 as appropriate.
1041 * function.c: (current_function_has_computed_jump): Define.
1042 * global.c (global_conflicts): Don't allocate pseudos into stack regs
1043 at the start of a block that is reachable by a computed jump.
1044 * reg-stack.c (stack_reg_life_analysis): If must restart, do so
1046 (subst_stack_regs): Undo change from Sep 4 1997.
1047 (uses_reg_or_mem): Now unused, deleted.
1048 * stupid.c (stupid_life_analysis): Compute
1049 current_function_has_computed_jump.
1050 (stupid_find_reg): Don't allocate stack regs if the function has a
1052 * haifa-sched.c (is_cfg_nonregular): Delete code to determine if
1053 the current function has a computed jump. Use the global value
1056 Sat Mar 28 00:21:37 1998 Jeffrey A Law (law@cygnus.com)
1058 * i386/freebsd.h (CPP_PREDEFINES): Remove __386BSD__.
1059 (DWARF2_UNWIND_INFO): Define to zero.
1061 Fri Mar 27 16:04:49 1998 Michael Meissner <meissner@cygnus.com>
1063 * gcc.c (set_std_prefix): Add declaration.
1064 (process_command): If GCC_EXEC_PREFIX is set, remove /lib/gcc-lib/
1065 suffix, and update the standard prefix prefix.c uses.
1067 * prefix.c (std_prefix): New global to hold default prefix value.
1068 (get_key_value): Change to use std_prefix instead of PREFIX.
1069 (translate_name): Ditto.
1070 (update_path): Ditto.
1071 (get_key_value): Release allocated scratch storage.
1072 (set_std_prefix): New function to reset the standard prefix.
1074 Fri Mar 27 18:08:21 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1076 * sh.c (find_barrier): Fix calculations for alignment increase.
1078 Fri Mar 27 08:56:52 1998 Manfred Hollstein <manfred@s-direktnet.de>
1080 * Makefile.in (stmp-fixinc): If we're actually fixing include
1081 files, copy gcc's assert.h into the fixed include dir.
1082 * fixincludes (assert.h): Avoid any attempts to fix a probably
1083 broken system specific assert.h file.
1084 * fixproto (stdlib.h): Make sure, it'll contain a definition of
1087 Fri Mar 27 00:49:46 1998 Jeffrey A Law (law@cygnus.com)
1089 * regclass.c (reg_scan_mark_refs): Be more selective about
1090 when we mark a register with REGNO_POINTER_FLAG.
1092 Thu Mar 26 23:00:11 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1094 reload inheritance improvement:
1095 * reload1.c (reg_reloaded_contents, reg_reloaded_insn):
1096 Change meaning: index is now hard reg number.
1097 (reg_reloaded_valid, reg_reloaded_dead): New variables.
1098 (reload_spill_index): Content is now a hard reg number.
1099 (reload_as_needed): Change to fit new variable meaning.
1100 (forget_old_reloads_1, allocate_reload_reg): Likewise.
1101 (choose_reload_regs, emit_reload_insns): Likewise.
1103 Thu Mar 26 18:34:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1105 * regclass.c (record_reg_classes): '?' increases cost by two.
1107 * reload.c (find_reloads): Double previous costs. Output
1108 reloads cost one unit extra.
1110 * reload1.c (eliminate_regs): Delete LOAD_EXTENDED_OP code that
1111 boiled down to && ! 0.
1113 * reload.c (find_equiv_reg): Also consider a goal offset from the
1114 frame pointer to be constant.
1116 Thu Mar 26 17:34:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1118 * sh.h (OPTIMIZATION_OPTIONS): Define.
1120 Thu Mar 26 00:19:47 1998 Richard Henderson <rth@cygnus.com>
1122 * combine.c (make_compound_operation): Simplify (subreg (*_extend) 0).
1124 Wed Mar 25 23:53:11 1998 Jeffrey A Law (law@cygnus.com)
1126 * pa.c (pa_adjust_cost): Avoid redundant calls to get_attr_type.
1128 Wed Mar 25 13:40:48 1998 Jim Wilson <wilson@cygnus.com>
1130 * c-common.c (check_format_info): Initialize type, is_type. New local
1131 integral_format. Don't warn for 'L' when pedantic. Do warn for 'L'
1132 when pedantic if used with integral format specifier.
1134 Wed Mar 25 16:09:01 1998 Michael Meissner <meissner@cygnus.com>
1136 * rs6000.h (FUNCTION_ARG_PADDING): Cast result to be enum
1138 (function_arg_padding): Declare.
1140 * rs6000.c: Include system.h.
1141 (function_arg_padding): Change return type to int, cast enum's to
1144 (From Kaveh R. Ghazi <ghazi@caip.rutgers.edu>)
1145 * collect2.c (scan_prog_file): Add explicit braces to avoid
1148 * dbxout.c (dbxout_type_fields): Add braces around empty body in
1150 (dbxout_type): Likewise.
1152 * rs6000.c (rs6000_override_options): Change type of `i', `j' and
1153 `ptt_size' from int to size_t.
1154 (rs6000_file_start): Likewise for `i'.
1155 (rs6000_replace_regno): Add default case in enumeration switch.
1156 (output_epilog): Remove unused variable `i'.
1157 (rs6000_longcall_ref): Remove unused variables `len', `p', `reg1'
1160 * rs6000.h (ADDITIONAL_REGISTER_NAMES): Add missing braces around
1162 (get_issue_rate, non_logical_cint_operand): Add prototype.
1163 (rs6000_output_load_toc_table): Ditto.
1165 * rs6000.md (udivmodsi4): Add explicit braces to avoid ambiguous
1168 Wed Mar 25 10:05:19 1998 Nick Clifton <nickc@cygnus.com>
1170 * config/arm/thumb.c: New File. Support for ARM's Thumb
1172 * config/arm/thumb.h: New File. Thumb definitions.
1173 * config/arm/thumb.md: New File. Thumb machine description.
1174 * config/arm/tcoff.h: New File. Thumb COFF support.
1175 * config/arm/t-thumb: New File. Thumb makefile fragment.
1176 * config/arm/lib1thumb.asm: New File. Thumb libgcc support functions.
1178 * configure.in: Add Thumb-coff target.
1179 * configure: Add Thumb-coff target.
1180 * config.sub: Add Thumb-coff target.
1182 Wed Mar 25 10:30:32 1998 Jim Wilson <wilson@cygnus.com>
1184 * loop.c (scan_loop): Initialize move_insn_first to zero.
1186 Wed Mar 25 01:06:49 1998 Joel Sherrill (joel@OARcorp.com)
1188 * config/i386/go32-rtems.h: Defined TARGET_MEM_FUNCTIONS.
1189 * config/i386/rtems.h: Likewise.
1190 * config/i960/rtems.h: Likewise.
1191 * config/m68k/rtems.h: Likewise.
1192 * config/mips/rtems64.h: Likewise.
1193 * config/pa/rtems.h: Likewise.
1194 * config/rs6000/rtems.h: Likewise.
1195 * config/sh/rtems.h: Likewise.
1196 * config/sparc/rtems.h: Likewise.
1198 Wed Mar 25 00:57:26 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1200 * pa.c (emit_move_sequence): If in reload, call find_replacement.
1202 Tue Mar 24 10:44:11 1998 Nick Clifton <nickc@cygnus.com>
1204 * Makefile.in (gcov$(exeext)): Support .exe extension to gcov.
1206 * collect2.c (find_a_file): Add debugging.
1207 (find_a_file): Test for win32 style absolute paths if
1208 DIR_SERPARATOR is defined.
1209 (prefix_from_string): Add debugging.
1210 (main): Test for debug command line switch at start of program
1212 (main): Use GET_ENVIRONMENT rather than getenv().
1213 (prefix_from_env): Use GET_ENVIRONMENT.
1215 1998-03-24 Mark Mitchell <mmitchell@usa.net>
1217 * cplus-dem.c (optable): Add sizeof.
1218 (demangle_template_value_parm): New function containing code
1219 previously found in demangle_template.
1220 (demangle_integral_value): New function which handles complicated
1221 integral expressions.
1222 (demangle_template): Use them.
1224 Tue Mar 24 12:13:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1226 * Makefile.in (genconfig.o, genflags.o, gencodes.o, genemit.o,
1227 genopinit.o, genrecog.o, genextract.o, genpeep.o, genattr.o,
1228 genattrtab.o, genoutput.o): Depend on system.h.
1230 * genattr.c: Include system.h. Add arguments to various function
1231 prototypes. Remove redundant prototype of read_rtx().
1232 * genattrtab.c: Likewise.
1233 * gencodes.c: Likewise.
1234 * genconfig.c: Likewise.
1235 * genemit.c: Likewise.
1236 * genextract.c: Likewise.
1237 * genflags.c: Likewise.
1238 * genopinit.c: Likewise.
1239 * genoutput.c: Likewise.
1240 * genpeep.c: Likewise.
1241 * genrecog.c: Likewise.
1243 1998-03-24 Martin von Loewis <loewis@informatik.hu-berlin.de>
1245 * c-lang.c (lang_print_xnode): New function.
1246 * objc/objc-act.c (lang_print_xnode): Likewise.
1247 * print-tree.c (print_node): Call it
1249 Mon Mar 23 23:59:11 1998 H.J. Lu (hjl@gnu.org)
1251 * c-parse.in: Recognize protocol qualifiers in class
1252 definitions for objc.
1254 (yyerror): Remove redundant decl.
1255 (yyprint): Fix prototype.
1257 Mon Mar 23 23:49:47 1998 Jeffrey A Law (law@cygnus.com)
1259 * cse.c (rtx_cost): Only call CONST_COSTS if it is defined.
1261 * stmt.c (unroll_block_trees): Free block_vector if needed.
1263 Mon Mar 23 23:26:42 1998 Philippe De Muyter <phdm@macqel.be>
1265 * m68k/m68k.md (zero_extendqidi2, zero_extendhidi2): New patterns.
1266 (zero_extendsidi2): Avoid useless copy.
1267 (iordi_zext): New pattern.
1268 (iorsi_zexthi_ashl16): Pattern reworked to avoid "0" constraint for
1270 (iorsi_zext): New name for old unnamed pattern; indentation fixes.
1272 * m68k/m68k.md (ashldi_const): Allow shift count in range ]32,63].
1273 (ashldi3): Allow constant shift count in range ]32,63].
1274 (ashrdi_const, ashrid3, lshrdi_const, lshrdi3): Likewise.
1276 1998-03-22 Mark Mitchell <mmitchell@usa.net>
1278 * tree.h (IS_EXPR_CODE_CLASS): New macro.
1280 Mon Mar 23 23:18:48 1998 Jeffrey A Law (law@cygnus.com)
1282 * h8300.h (CONST_COSTS): Remove definition.
1283 (DEFAULT_RTX_COSTS): Define.
1285 Mon Mar 23 22:58:22 1998 Joel Sherrill (joel@OARcorp.com)
1287 * config/sh/rtems.h: Switched from ELF to COFF.
1289 Mon Mar 23 14:14:20 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1291 * freebsd.h (ASM_OUTPUT_ALIGN): Redefine.
1293 Sat Mar 21 23:52:56 PST 1998 Jeff Law (law@cygnus.com)
1295 * version.c: Bump for snapshot.
1297 Sun Mar 22 00:50:42 1998 Nick Clifton <nickc@cygnus.com>
1298 Geoff Noer <noer@cygnus.com>
1300 * Makefile.in: Various fixes for building cygwin32 native toolchains.
1302 * objc/Makefile.in: Various fixes for building cygwin32 native toolchains.
1303 * objc/Make-lang.in: Likewise.
1305 * config/i386/xm-cygwin32.h (PATH_SEPARATOR): Set to a semi-colon.
1307 Sun Mar 22 00:21:46 1998 R. Ganesan <rganesan@novell.com>
1309 * configure.in: Handle with-PACKAGE=no correctly
1311 Fri Mar 20 17:36:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1313 * Makefile.in (alias.o, bitmap.o, c-aux-info.o, c-common.o,
1314 c-decl.o, c-iterate.o, c-lang.o, c-lex.o, c-pragma.o, c-typeck.o,
1315 caller-save.o, calls.o, collect2.o, combine.o, cse.o, dbxout.o,
1316 dwarf2out.o, dwarfout.o, emit-rtl.o, except.o, explow.o, expmed.o,
1317 expr.o, final.o, flow.o, function.o, getpwd.o, global.o,
1318 integrate.o, jump.o, local-alloc.o, loop.o, optabs.o, pexecute.o,
1319 prefix.o, print-rtl.o, print-tree.o, profile.o, real.o, recog.o,
1320 reg-stack.o, regclass.o, regmove.o, reload.o, reload1.o, reorg.o,
1321 rtl.o, rtlanal.o, sdbout.o, stmt.o, stor-layout.o, stupid.o,
1322 tlink.o, toplev.o, tree.o, unroll.o, varasm.o, xcoffout.o): Depend
1325 * alias.c, bitmap.c, c-aux-info.c, c-common.c, c-decl.c,
1326 c-iterate.c, c-lang.c, c-lex.c, c-pragma.c, c-typeck.c,
1327 caller-save.c, calls.c, collect2.c, combine.c, cse.c, dbxout.c,
1328 dwarf2out.c, dwarfout.c, emit-rtl.c, except.c, explow.c, expmed.c,
1329 expr.c, final.c, flow.c, function.c, gcc.c, getpwd.c, global.c,
1330 integrate.c, jump.c, local-alloc.c, loop.c, optabs.c, pexecute.c,
1331 prefix.c, print-rtl.c, print-tree.c, profile.c, real.c, recog.c,
1332 reg-stack.c, regclass.c, regmove.c, reload.c, reload1.c, reorg.c,
1333 rtl.c, rtlanal.c, sched.c, sdbout.c, stmt.c, stor-layout.c,
1334 stupid.c, tlink.c, toplev.c, tree.c, unroll.c, varasm.c,
1335 xcoffout.c: Include system.h. Organize include ordering so
1336 that stdarg/varargs comes before other system headers. Remove
1337 spurious casts of functions assured of a prototype in system.h.
1339 Fri Mar 20 11:19:40 1998 Stan Cox <scox@equinox.cygnus.com>
1341 * reg-stack.c (pop_stack): Define. Pops any register on the
1342 regstack and adjusts regstack.
1343 (compare_for_stack_reg): Use pop_stack.
1345 Thu Mar 19 23:51:01 1998 Jeffrey A Law (law@cygnus.com)
1347 * configure.in (hppa1.0-hp-hpux10): Handle threads for this
1350 Thu Mar 19 20:30:31 1998 Philippe De Muyter <phdm@macqel.be>
1352 * libgcc2.c (exit): Do not call __bb_exit_func if HAVE_ATEXIT.
1354 * fold-const.c (fold): Replace sign-extension of a zero extended
1355 value by a single zero extension.
1357 Thu Mar 19 00:58:07 1998 Jason Merrill <jason@yorick.cygnus.com>
1359 * except.c (init_eh): Do nothing.
1360 (save_eh_status): Call init_eh_for_function, not init_eh.
1361 * function.c (push_function_context_to): Don't call init_emit.
1363 Thu Mar 19 13:39:52 1998 Michael Meissner <meissner@cygnus.com>
1365 * rs6000/sysv4.h (RELATIVE_PREFIX_NOT_LINKDIR): Undef for System V
1368 Thu Mar 19 10:10:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1370 * final.c (shorten_branches): Add parentheses around +/- in
1373 * flow.c (life_analysis): Wrap variable `i' in macro ELIMINABLE_REGS.
1375 Thu Mar 19 09:15:17 1998 Manfred Hollstein <manfred@s-direktnet.de>
1377 * regclass.c (memory_move_secondary_cost): Wrap uses of
1378 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS
1381 Thu Mar 19 09:06:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
1383 * config/m68k/m68k.md (addqi3): Fix typo gen_INT vs. GEN_INT.
1385 * flow.c (life_analysis): #include <sys/types.h> to make sure
1387 * cplus-dem.c (demangle_function_name): Likewise.
1389 Thu Mar 19 09:00:01 1998 Manfred Hollstein <manfred@s-direktnet.de>
1391 * final.c (insn_noperands): Change type to unsigned int.
1392 (final_scan_insn): Likewise for noperands;
1393 properly check operand number boundaries.
1395 Wed Mar 18 16:20:30 1998 Richard Henderson <rth@cygnus.com>
1397 * alpha.md (extzv): Don't reject register operands. Fix
1400 Wed Mar 18 16:14:23 1998 Richard Henderson <rth@cygnus.com>
1402 * dbxout.c (dbxout_function_end): Fix last change. The correct
1403 predicate is ASM_OUTPUT_SECTION_NAME.
1405 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
1407 * sh.md (ashlsi_c-1): Delete 3rd argument to gen_ashlsi_c.
1408 (ashlsi): Use match_dup 1 instead of match_operand 2.
1410 Wed Mar 18 13:46:07 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1412 * fold-const.c (operand_equal_for_comparison_p): See if equal
1413 when nop conversions are removed.
1415 Wed Mar 18 13:42:01 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1417 * expr.c (expand_expr, case COND_EXPR): If have conditional move,
1418 don't use ORIGINAL_TARGET unless REG.
1420 Wed Mar 18 16:53:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1422 * netbsd.h (ASM_OUTPUT_ALIGN): Redefine.
1424 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
1426 * loop.c (struct movable): New field move_insn_first.
1427 (scan_loop): In consec sets code, set it. Clear it otherwise.
1428 (move_movables): In consec sets code, use it. Copy REG_NOTES from
1429 p to i1 only if i1 does not have REG_NOTES. Delete obsolete ifdefed
1432 Wed Mar 18 09:52:56 1998 Richard Henderson <rth@cygnus.com>
1434 * rtl.c (read_rtx): Fall back on homebrew atoll if HOST_WIDE_INT
1435 is large, and the system doesn't provide atoll or atoq.
1438 * alpha/xm-vms.h (HAVE_ATOLL): Define.
1439 Reported by Klaus Kaempf <kkaempf@progis.de>.
1441 Wed Mar 18 09:56:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1443 * c-lang.c (finish_file): Wrap variable `void_list_node' with macro
1444 test !ASM_OUTPUT_CONSTRUCTOR || !ASM_OUTPUT_DESTRUCTOR.
1446 * calls.c (emit_call_1): Wrap variable `already_popped' with macro
1447 test !ACCUMULATE_OUTGOING_ARGS.
1449 * collect2.c (write_c_file_glob): Wrap function definition in
1450 macro test !LD_INIT_SWITCH.
1452 * combine.c (try_combine): Wrap variables `cc_use' and
1453 `compare_mode' in macro test EXTRA_CC_MODES.
1455 * cpplib.c (do_ident): Remove unused variable `len'.
1456 (skip_if_group): Remove unused variables `at_beg_of_line' and
1458 (cpp_get_token): Remove unused variable `dummy'.
1460 * dbxout.c (scope_labelno): Move static variable definition inside
1461 the one function scope where it is used.
1462 (dbxout_function_end): Wrap prototype and definition in
1463 macro test !NO_DBX_FUNCTION_END.
1465 * dwarf2out.c (add_subscript_info): Wrap variable `dimension_number'
1466 in macro test !MIPS_DEBUGGING_INFO.
1468 * expr.c (expand_builtin_setjmp): Move declaration of variable `i'
1469 into the scope where it is used. Wrap empty else-statement body
1472 * fix-header.c: Fix typo in comment.
1473 (inf_skip_spaces): Cast results of INF_UNGET to (void).
1474 (check_protection, main): Likewise.
1476 * flow.c (find_basic_blocks_1): Remove dangling comment text.
1478 * function.c (contains): Wrap prototype and definition in macro
1479 test HAVE_prologue || HAVE_epilogue.
1480 (fixup_var_refs_1): Remove unused variable `width'.
1482 * gen-protos.c (main): Remove unused variable `optr'.
1484 * haifa-sched.c (debug_control_flow): Remove unused variable `j'.
1486 * libgcc2.c (__udiv_w_sdiv): Provide dummy return value of 0.
1487 (__sjpopnthrow): Remove unused variable `jmpbuf'.
1488 (__throw): Remove unused variable `val'.
1490 * protoize.c: Check for a previously existing definition before
1491 defining *_OK macros.
1493 * scan-decls.c (scan_decls): Remove unused variable `old_written'.
1495 Tue Mar 17 00:45:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1497 * vax.h (ADDR_VEC_ALIGN): Define.
1499 Mon Mar 16 15:57:17 1998 Michael Meissner <meissner@cygnus.com>
1501 * gcc.c (default_arg): Don't wander off the end of allocated
1504 (From Geoffrey Keating <geoffk@ozemail.com.au>)
1505 * rs6000.c (small_data_operand): Ensure that any address
1506 referenced relative to the small data area is inside the SDA.
1508 Mon Mar 16 12:55:15 1998 Jim Wilson <wilson@cygnus.com>
1510 * config/m68k/netbsd.h (ASM_SPEC): Add %{m68060}.
1512 Mon Mar 16 15:50:20 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1514 * except.h (in_same_eh_region): New prototype.
1515 (free_insn_eh_region, init_insn_eh_region): New prototypes.
1516 * except.c (insn_eh_region, maximum_uid): New static variables.
1517 (set_insn_eh_region): New static function to set region numbers.
1518 (free_insn_eh_region): New function to free EH region table.
1519 (init_insn_eh_region): New function to initialize EH region table.
1520 (in_same_eh_region): New function used to determine if two rtl
1521 instructions are in the same exception region or not.
1522 * final.c (final): Initialize the table indicating which instructions
1523 belong in which exception region.
1524 * genpeep.c (main): Add "except.h" to include file list in generated
1526 * config/sparc/sparc.md: Add calls to 'in_same_eh_region' in 4
1527 peepholes involving calls and unconditional branches.
1529 Mon Mar 16 11:16:50 1998 Jim Wilson <wilson@cygnus.com>
1531 * README.gnat: New file.
1533 Mon Mar 16 11:14:20 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1535 * config/m68k/m68k.c: Include <stdlib.h> for atoi. Include
1536 "recog.h" for offsettable_memref_p.
1537 (legitimize_pic_address): Remove unused variable `offset'.
1538 (notice_update_cc): Change return type to void. Add default label
1540 (standard_68881_constant_p): Remove unused variable mode.
1541 (print_operand): Define local variable i only if SUPPORT_SUN_FPA.
1542 (const_int_cost): Explicitly declare as returning int.
1543 (output_dbcc_and_branch): Change return type to void.
1545 * config/m68k/linux.h, config/m68k/m68k.md, config/m68k/m68k.c,
1546 config/m68k/m68k.h: Replace gen_rtx (XXX, ...) with gen_rtx_XXX
1547 (...). Use GEN_INT instead of gen_rtx_CONST_INT.
1549 Sun Mar 15 22:30:44 PST 1998 Jeff Law (law@cygnus.com)
1551 * version.c: Bump for snapshot.
1553 Fri Mar 13 11:30:12 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1555 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Fix logic in range
1556 check for 'M' constraint.
1558 Thu Mar 12 14:47:14 1998 Jim Wilson <wilson@cygnus.com>
1560 * cccp.c (create_definition): If pedantic, call pedwarn for macro
1563 Thu Mar 12 13:43:25 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1565 * i386.c (ix86_logical_operator): New function.
1566 (split_di): Ensure that when a MEM is split, the resulting MEMs have
1568 * i386.md (anddi3, xordi3, iordi3): New patterns. Add a define_split
1571 Thu Mar 12 15:13:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1572 Richard Earnshaw <rearnsha@arm.com>
1573 Nick Clifton <nickc@cygnus.com>
1575 * tm.texi (DEFAULT_RTX_COSTS): Document new macro.
1577 * arm.h (DEFAULT_RTX_COSTS): Define instead of RTX_COSTS.
1579 * cse.c (rtx_cost): Provide a default case in an enumeration
1580 switch, and call DEFAULT_RTX_COSTS if it's defined.
1582 Thu Mar 12 10:02:38 1998 Manfred Hollstein <manfred@s-direktnet.de>
1584 * basic-block.h (compute_preds_succs): Change return type in
1586 * flow.c (compute_preds_succs): Likewise in function definition.
1588 * regmove.c (find_matches): Cast char used as array index to unsigned char
1591 Thu Mar 12 09:39:40 1998 Manfred Hollstein <manfred@s-direktnet.de>
1593 * i386.h (RTX_COSTS): Insert braces around nested if.
1594 (ADDITIONAL_REGISTER_NAMES): Insert braces around structured
1597 * gcc.c (default_compilers): Properly put brackets around array elements in
1600 * getopt.c (_getopt_internal): Add explicit braces around nested if;
1603 * reg-stack.c (record_asm_reg_life): Add explicit braces around nested if's.
1604 (record_reg_life_pat): Add explicit parens around && and || in expression.
1605 (stack_reg_life_analysis): Add parens around assignment used as expression.
1606 (convert_regs): Likewise.
1608 Thu Mar 12 09:25:29 1998 Manfred Hollstein <manfred@s-direktnet.de>
1610 * bitmap.c (bitmap_element_allocate): Remove unused parameter;
1611 change callers accordingly.
1613 * cplus-dem.c (arm_special): Remove unused parameter work in prototype
1614 and definition; change all callers accordingly.
1616 * except.c (init_eh): Avoid assignment of unused return value of
1617 build_pointer_type; cast it to void, instead, and remove unused
1620 * gcc.c (lang_specific_driver): Define prototype only #ifdef
1621 LANG_SPECIFIC_DRIVER.
1622 (temp_names): Define only #ifdef MKTEMP_EACH_FILE.
1624 * genoutput.c (output_epilogue): Initialize next_name to 0.
1626 * real.c (efrexp): #if 0 prototype and function definition.
1627 (eremain): Likewise.
1634 * reload.c (push_secondary_reload): Define prototype only
1635 #ifdef HAVE_SECONDARY_RELOADS.
1637 * varasm.c (assemble_static_space): Define rounded only
1638 #ifndef ASM_OUTPUT_ALIGNED_LOCAL.
1640 Thu Mar 12 09:11:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
1642 * i386.md (andsi): Add default case in enumeration switch.
1647 Thu Mar 12 08:37:02 1998 Manfred Hollstein <manfred@s-direktnet.de>
1649 * c-decl (finish_struct): Change type of min_align to unsigned.
1651 * cplus-dem.c (demangle_function_name): Change type of variable i to size_t;
1652 remove unused variable len.
1654 * dwarf2out.c (reg_save): Add explicit cast of -1 to unsigned and a
1655 comment indicating this is proper behaviour.
1656 (reg_loc_descriptor): Remove redundant comparison of unsigned variable
1658 (based_loc_descr): Likewise.
1660 * enquire.c (bitpattern): Change type of variable i to unsigned.
1662 * final.c (output_asm_insn): Don't cast insn_noperands to unsigned.
1664 * flow.c (life_analysis): Change type of variable i to size_t;
1665 remove unused variable insn.
1667 * gcc.c (translate_options): Change type of variables optlen, arglen and
1669 (input_filename_length): Change type to size_t.
1670 (do_spec_1): Change type of variable bufsize to size_t.
1671 (main): Change type of variables i and j to size_t;
1672 remove subblock local definition of variable i.
1673 (lookup_compiler): Change type of second argument to size_t;
1674 change type of variable i to size_t.
1676 * genemit.c (output_init_mov_optab): Change type of variable i to size_t.
1678 * genopinit.c (get_insn): Change type of variable pindex to size_t.
1680 * genrecog.c (add_to_sequence): Change type of variable i to size_t.
1682 * global.c (global_alloc): Change type of variable i to size_t.
1684 * regclass.c (init_reg_sets): Change type of variables i and j to unsigned.
1686 * stmt.c (expand_end_bindings): Change type of variable i to size_t.
1687 (expand_end_case): Change type of variable count to size_t.
1689 * toplev.c (main): Change type of variable j to size_t.
1690 (set_target_switch): Change type of variable j to size_t.
1691 (print_switch_values): Change type of variable j to size_t;
1692 remove unused variable flags.
1694 * varasm.c (assemble_variable): Change type of variable align to size_t.
1695 (const_hash_rtx): Change type of variable i to size_t.
1697 1998-03-11 Mark Mitchell <mmitchell@usa.net>
1699 * dbxout.c (dbxout_type_methods): Only treat TYPE_METHODS as a
1700 TREE_VEC if that's what it really is.
1702 Wed Mar 11 15:16:01 1998 Michael Meissner <meissner@cygnus.com>
1704 * {haifa-,}sched.c (rank_for_schedule): Only take void * arguments
1707 Wed Mar 11 12:05:20 1998 Teemu Torma <tot@trema.com>
1709 * gthr.h: Changed the comment about return values.
1710 * gthr-solaris.h (__gthread_once): Do not use errno; return the
1711 error number instead of -1.
1712 (__gthread_key_create): Any non-zero return value is an error.
1713 * libgcc2.c (eh_context_initialize): Check for non-zero return
1714 value from __gthread_once.
1715 Check that the value of get_eh_context was really changed.
1717 Wed Mar 11 18:26:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1719 * sh.h (LOOP_ALIGN): Only align when optimizing.
1720 * sh.c (find_barrier): Clear inc for CODE_LABELs.
1721 When not optimizing, calculate alignment for BARRIERs directly.
1723 Wed Mar 11 15:07:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1725 * final.c (shorten_branches): Remove conditionalizing on
1726 SHORTEN_WITH_ADJUST_INSN_LENGTH
1727 * sh.h, pa.h (SHORTEN_WITH_ADJUST_INSN_LENGTH): Remove.
1729 Wed Mar 11 02:37:41 1998 Jeffrey A Law (law@cygnus.com)
1731 * flow.c (find_basic_blocks_1): Keep the cfg accurate when removing
1732 an unconditional jump around deleted blocks.
1734 Mon Mar 9 12:02:23 1998 Jim Wilson <wilson@cygnus.com>
1736 * profile.c (branch_prob): If see computed goto, call fatal instead of
1739 * config/mips/sni-svr4.h (CPP_PREDEFINE): Add -DSNI and -Dsinix.
1741 * configure.in (alpha-dec-osf): Add default case for osf* to switch.
1742 Patch from Bruno Haible.
1744 * function.c (put_reg_into_stack): Copy MEM_IN_STRUCT_P from new.
1745 (assign_parms): Set aggregate if hide_last_arg and last_named.
1747 Mon Mar 9 19:57:56 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1749 * final.c (shorten_branches): Initialize insn_addresses.
1751 Mon Mar 9 14:10:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1753 * sh.h (MUST_PASS_IN_STACK): Define.
1755 Sun Mar 8 13:01:56 1998 Jeffrey A Law (law@cygnus.com)
1757 * final.c (shorten_branches): Fix minor logic error in
1758 ADDR_DIFF_VEC shortening support.
1760 Sun Mar 8 02:17:42 PST 1998 Jeff Law (law@cygnus.com)
1762 * version.c: Bump for snapshot.
1764 Sat Mar 7 00:54:15 1998 Jeffrey A Law (law@cygnus.com)
1766 * haifa-sched.c (is_cfg_nonregular): Change return type to
1767 an int. No longer compute "estimated" number of edges. Use
1768 computed_jump_p instead of duplicating the code. Fixup/add
1770 (build_control_flow): Returns a value indicating an irregularity
1771 in the cfg was detected. Count the number of edges in the cfg.
1772 allocate various edge tables.
1773 (find_rgns): No longer look for unreachable blocks.
1774 (schedule_insns): Do not allocate memory for edge tables here.
1775 Free memory for edge tables before returning. Do not perform
1776 cross block scheduling if build_control_flow returns nonzero.
1777 * flow.c (compute_preds_succs): More accurately determine when
1780 * basic-block.h (free_basic_block_vargs): Provide prototype.
1782 * cccp.c (main): Fix dumb mistakes in last change.
1784 Fri Mar 6 21:28:45 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1786 * rtl.h (addr_diff_vec_flags): New typedef.
1787 (union rtunion_def): New member rt_addr_diff_vec_flags.
1788 (ADDR_DIFF_VEC_FLAGS): New macro.
1790 * sh.c (output_branch): Fix offset overflow problems.
1792 * final.c (shorten_branches): Implement CASE_VECTOR_SHORTEN_MODE.
1793 (final_scan_insn): New argument BODY for ASM_OUTPUT_ADDR_DIFF_ELT.
1794 * rtl.def (ADDR_DIFF_VEC): Three new fields (min, max and flags).
1795 * stmt.c (expand_end_case): Supply new arguments to
1796 gen_rtx_ADDR_DIFF_VEC.
1797 * 1750a.h (ASM_OUTPUT_ADDR_DIFF_ELT): New argument BODY.
1798 * alpha.h, arc.h, clipper.h, convex.h : Likewise.
1799 * dsp16xx.h, elxsi.h, fx80.h, gmicro.h, h8300.h : Likewise.
1800 * i370.h, i386.h, i860.h, i960.h, m32r.h, m68k.h, m88k.h : Likewise.
1801 * mips.h, mn10200.h, mn10300.h, ns32k.h, pa.h, pyr.h : Likewise.
1802 * rs6000.h, sh.h, sparc.h, spur.h, tahoe.h, v850.h : Likewise.
1803 * vax.h, we32k.h, alpha/vms.h, arm/aof.h, arm/aout.h : Likewise.
1804 * i386/386bsd.h, i386/freebsd-elf.h : Likewise.
1805 * i386/freebsd.h, i386/linux.h : Likewise.
1806 * i386/netbsd.h, i386/osfrose.h, i386/ptx4-i.h, i386/sco5.h : Likewise.
1807 * i386/sysv4.h, m68k/3b1.h, m68k/dpx2.h, m68k/hp320.h : Likewise.
1808 * m68k/mot3300.h, m68k/sgs.h : Likewise.
1809 * m68k/tower-as.h, ns32k/encore.h, sparc/pbd.h : Likewise.
1810 * sh.h (INSN_ALIGN, INSN_LENGTH_ALIGNMENT): Define.
1811 (CASE_VECTOR_SHORTEN_MODE): Define.
1812 (short_cbranch_p, align_length, addr_diff_vec_adjust): Don't declare.
1813 (med_branch_p, braf_branch_p): Don't declare.
1814 (mdep_reorg_phase, barrier_align): Declare.
1815 (ADJUST_INSN_LENGTH): Remove alignment handling.
1816 * sh.c (uid_align, uid_align_max): Deleted.
1817 (max_uid_before_fixup_addr_diff_vecs, branch_offset): Deleted.
1818 (short_cbranch_p, med_branch_p, braf_branch_p, align_length): Deleted.
1819 (cache_align_p, fixup_aligns, addr_diff_vec_adjust): Deleted.
1820 (output_far_jump): Don't use braf_branch_p.
1821 (output_branchy_insn): Don't use branch_offset.
1822 (find_barrier): Remove checks for max_uid_before_fixup_addr_diff_vecs.
1823 Remove paired barrier stuff.
1824 Don't use cache_align_p.
1825 Take alignment insns into account.
1826 (fixup_addr_diff_vecs): Reduce to only fixing up the base label of
1828 (barrier_align, branch_dest): New function.
1829 (machine_dependent_reorg, split_branches): Remove infrastructure
1830 for branch shortening that is now provided in the backend.
1831 * sh.md (short_cbranch_p, med_branch_p, med_cbranch_p): New attributes.
1832 (braf_branch_p, braf_cbranch_p): Likewise.
1833 (attribute length): Use new attributes.
1834 (casesi_worker): Get mode and unsignednedd from ADDR_DIFF_VEC.
1835 (addr_diff_vec_adjust): Delete.
1836 (align_2): Now a define_expand.
1837 (align_log): Now length 0.
1839 Fri Mar 6 14:41:33 1998 Michael Meissner <meissner@cygnus.com>
1841 * m32r.md (right): Correctly check for length == 2, not 1.
1843 Fri Mar 6 14:00:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1845 * mips/mips.h: Prototype `machine_dependent_reorg'.
1846 (ASM_OUTPUT_ALIGN): Remove unused variable `mask'.
1848 Fri Mar 6 11:43:35 1998 Joern Rennecke (amylaar@cygnus.co.uk)
1850 * final.c (shorten_branches): Restore accidentally removed code.
1852 Fri Mar 6 11:00:49 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1854 * configure.in: Remove duplicate uses of AC_PROG_CC and
1857 Fri Mar 6 00:59:30 1998 Richard Henderson <rth@cygnus.com>
1859 * configure.in (target_cpu_default2): Correct typo for alphapca56.
1861 Thu Mar 5 23:24:50 1998 Jeffrey A Law (law@cygnus.com)
1862 Doug Evans (devans@cygnus.com)
1864 * haifa-sched.c (build_jmp_edges): Delete dead function.
1865 (build_control_flow): Use cfg routines from flow.c
1866 (schedule_insns): Remove debugging code accidentally checked
1869 * basic-block.h: Add external integer list structures, typdefs,
1870 accessor macros and function declarations. Simlarly for
1871 basic block pred/succ support and simple bitmap stuff.
1872 * flow.c: Add functions for integer list, basic block pred/succ
1873 support and simple bitmap support.
1874 (compute_dominators): New function to compute dominators and
1876 (find_basic_blocks): Split into two functions.
1877 (life_analysis): Likewise.
1878 (flow_analysis): Removed. Now handled by calling find_basic_blocks,
1879 the life_analysis from toplev.c
1880 * toplev.c (rest_of_compilation): Call find_basic_blocks, then
1881 life_analysis instead of flow_analysis.
1883 Thu Mar 5 23:06:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1885 * jump.c (jump_optimize): Call mark_jump_label also for deleted
1887 (mark_jump_label): Don't increment ref counts for deleted insns.
1889 Thu Mar 5 09:55:15 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1891 * mips/iris6.h (TARGET_DEFAULT): Parenthesize macro definition.
1893 * mips/mips.c: Include stdlib.h and unistd.h.
1894 (mips_asm_file_end): Add braces around empty body in an if-statement.
1895 (function_prologue): Wrap variable `fnname' in
1896 !FUNCTION_NAME_ALREADY_DECLARED. Correct format specifier in fprintf.
1897 (mips_select_rtx_section, mips_select_section): Declare as void.
1899 * mips/mips.h: Add prototypes for extern functions in mips.c.
1900 (FUNCTION_ARG_REGNO_P): Add parentheses around && within ||.
1901 (ENCODE_SECTION_INFO): Add braces around empty body in an
1904 * mips/mips.md (movdi): Add parentheses around && within ||.
1905 (movsf, movdf): Likewise.
1906 (branch_zero, branch_zero_di): Add default case in
1910 Thu Mar 5 02:45:48 1998 Richard Henderson <rth@cygnus.com>
1912 * alpha/alpha.h (TARGET_WINDOWS_NT, TARGET_OPEN_VMS): Just make them
1913 real constants, since they can't be changed.
1914 (TARGET_AS_CAN_SUBTRACT_LABELS): New.
1915 * alpha/alpha.md (builtin_setjmp_receiver): Use it.
1916 * alpha/osf.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
1917 * alpha/osf2or3.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
1918 * alpha/vms.h (TARGET_OPEN_VMS): New.
1919 * alpha/win-nt.h (TARGET_WINDOWS_NT): New.
1921 Thu Mar 5 02:41:27 1998 Richard Henderson <rth@cygnus.com>
1923 * reload.c (find_reloads): Always force (subreg (mem)) to be
1924 reloaded if WORD_REGISTER_OPERATIONS.
1926 Thu Mar 5 02:14:44 1998 Richard Henderson <rth@cygnus.com>
1928 * haifa-sched.c (free_list): Rename from free_pnd_lst.
1929 (free_pending_lists): Rename free_pnd_lst uses.
1930 (remove_dependence): Place expunged element on unused_insn_list.
1931 (alloc_INSN_LIST, alloc_EXPR_LIST): New. Change all callers of
1932 gen_rtx_*_LIST and alloc_rtx to use them.
1933 (compute_block_backward_dependences): Free the reg_last_* lists.
1935 Thu Mar 5 00:05:40 1998 Jeffrey A Law (law@cygnus.com)
1937 * cccp.c (main): Avoid undefined behavior when setting pend_includes
1940 Wed Mar 4 21:58:25 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
1942 * rs6000/linux.h: don't define DEFAULT_VTABLE_THUNKS to 1 if
1943 USE_GNULIBC_1 is defined
1944 * configure.in: add a new case powerpc-*-linux-gnulibc1 which
1945 includes the t-linux-gnulibc1 fragment
1947 Wed Mar 4 12:11:36 1998 Jim Wilson <wilson@cygnus.com>
1949 * mips.md (movdf_internal1a): Fix misplaced parenthesis in condition.
1951 Wed Mar 4 18:47:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1953 * final.c (final_scan_insn, case CODE_LABEL: Cleanup.
1955 Wed Mar 4 15:51:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1957 * final.c (shorten_branches): Tag the loop alignment onto the
1958 first label after NOTE_INSN_LOOP_BEG even if there is an
1961 Tue Mar 3 21:48:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1963 * final.c (insn_current_reference_address):
1964 Use SEQ instead of BRANCH as argument to align_fuzz, to get a
1965 proper alignment chain.
1967 * final.c (max_labelno): New static variable.
1968 (final_scan_insn): Check max_labelno before outputting an
1969 alignment for a label.
1970 (shorten_branches): Remove unused variable length_align.
1972 Tue Mar 3 14:27:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1974 * sparc.c (ultrasparc_adjust_cost): Add default case in
1977 * sparc.h: Add prototypes for extern functions defined in
1980 Tue Mar 3 10:00:11 1998 Nick Clifton <nickc@cygnus.com>
1982 * toplev.c: Only generate <name>.dbr file when dumping RTL if
1983 DEALY_SLOTS is defined.
1985 Tue Mar 3 07:36:37 1998 Manfred Hollstein <manfred@s-direktnet.de>
1987 * reorg.c (fill_eager_delay_slots): Add new argument delay_list
1988 in call to fill_slots_from_thread.
1990 Mon Mar 2 13:45:03 1998 Richard Henderson <rth@cygnus.com>
1992 * alpha/linux.h (CPP_PREDEFINES): Correct connecting whitespace
1993 to SUB_CPP_PREDEFINES. Reported by asun@saul4.u.washington.edu.
1995 Mon Mar 2 22:59:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1997 * final.c (insn_last_address, insn_current_align, uid_align):
1999 (in_align_chain, align_fuzz, align_shrink_fuzz): New functions.
2000 (insn_current_reference_address): Likewise.
2001 (shorten_branches, final_scan_insn): Implement LABEL_ALIGN,
2002 LABEL_ALIGN_AFTER_BARRIER and LOOP_ALIGN target macros.
2003 (label_to_alignment): New function.
2004 * genattrtab.c (write_test_expr): If one of LABEL_ALIGN,
2005 LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN is defined, call
2006 insn_current_reference_address instead of insn_current_address.
2007 (or_attr_value, write_length_unit_log): New functions.
2008 (main): Call write_length_unit_log.
2009 (write_const_num_delay_slots): Output extra '\n'.
2010 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE):
2012 (LOOP_ALIGN, ALIGN_LABEL_AFTER_BARRIER).
2013 * i386.h, i386/osfrose.h, i386/svr3dbx.h, m68k.h, sparc.h: Likewise.
2014 * arc.h, m32r.h (ASM_OUTPUT_LOOP_ALIGN): replace with:
2016 * i960.h, m88k.h: (ASM_OUTPUT_ALIGN_CODE): Replace with:
2017 (LABEL_ALIGN_AFTER_BARRIER).
2018 * ns32k/encore.h, ns32k/merlin.h, ns32k.h, ns32k/sequent.h: Likewise.
2019 * ns32k/tek6000.h: Likewise.
2020 * i386/gas.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Delete.
2021 * i386.md (casesi+1): Use ASM_OUTPUT_ALIGN instead of
2022 ASM_OUTPUT_ALIGN_CODE.
2024 Mon Mar 2 01:05:50 PST 1998 Jeff Law (law@cygnus.com)
2026 * version.c: Bump for snapshot.
2028 Mon Mar 2 00:52:18 PST 1998 Jeff Law (law@cygnus.com)
2030 * version.c: Bump for snapshot.
2032 Sun Mar 1 18:25:49 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
2034 * reorg.c (fill_slots_from_thread): Don't steal delay list from target
2035 if condition code of jump conflicts with opposite_needed.
2037 * reorg.c (fill_slots_from_thread): Mark resources referenced in
2038 opposite_needed thread. Return delay_list even when cannot get
2039 any more delay insns from end of subroutine.
2041 Sun Mar 1 18:26:21 1998 Ken Rose (rose@acm.org)
2043 * reorg.c (fill_slots_from_thread): New parameter, delay_list.
2044 All callers changed.
2046 Sun Mar 1 18:25:37 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2048 * frame.c (start_fde_sort, fde_split, heapsort, fde_merge,
2049 end_fde_sort): New functions for fast sorting of an FDE array.
2050 (fde_insert): Simplified.
2051 (add_fdes): Change argument list.
2052 (frame_init): Use the new functions.
2054 Sun Mar 1 18:06:21 1998 Jeffrey A Law (law@cygnus.com)
2056 * ginclude/va-ppc.h (va_arg): Fix typo in long long support.
2058 * i386.c (reg_mentioned_in_mem): Fix dangling else statement.
2060 * fold-const.c (fold_range_test): Always return a value.
2062 Sun Mar 1 17:57:34 1998 Mumit Khan <khan@xraylith.wisc.edu>
2064 * config/i386/winnt.c (i386_pe_unique_section): Put read-only
2065 data in the text section unless READONLY_DATA_SECTION is defined.
2067 Sun Mar 1 17:48:46 1998 Jeffrey A Law (law@cygnus.com)
2069 * c-parse.in (undeclared variable error): Tweak error message to
2072 Sun Mar 1 10:22:36 PST 1998 Jeff Law (law@cygnus.com)
2074 * version.c: Bump for snapshot.
2076 1998-02-28 Mark Mitchell <mmitchell@usa.net>
2078 * final.c (final_scan_insn): Undo overzealous removal of `set'.
2080 Sat Feb 28 07:54:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2082 * pa.h (CONST_COSTS): When checking the CONST_DOUBLE enumerated
2083 case, add parentheses to specify the proper order of precedence in
2087 * c-aux-info.c: Include string.h/strings.h.
2089 * pa.c: Include stdlib.h.
2090 (pa_combine_instructions): Prototype the function.
2091 (pa_can_combine_p, forward_branch_p, shadd_constant_p): Likewise.
2092 (reloc_needed): Add default case for enumeration switch.
2093 (remove_useless_addtr_insns): Remove unused variable `all'.
2094 (hppa_expand_prologue): Add explicit braces to avoid
2096 (output_function_epilogue): Remove unused variable `i'.
2097 (output_millicode_call): Remove unused variable `link'.
2098 (shadd_constant_p, forward_branch_p): Make the function static.
2099 (following_call): Explicitly declare to return int.
2100 (pa_reorg): Declare as void.
2101 (pa_combine_instructions): Declare as static void. Add
2102 parentheses around && within ||.
2104 * pa.h: Add prototypes for pa_reorg, symbolic_operand,
2105 following_call, function_label_operand, lhs_lshift_cint_operand
2108 * pa.md: Add parentheses around && within ||.
2110 * cppalloc.c: Include stdlib.h.
2112 * cpperror.c (cpp_print_containing_files): Remove unused variable
2113 `i'. Fix format specifier in fprintf.
2115 * cse.c (cse_around_loop): Add explicit braces to avoid
2117 (delete_dead_from_cse): Wrap variable `tem' in macro HAVE_cc0.
2119 * expr.c (expand_expr): Add parentheses around && within ||.
2121 * final.c (app_enable): Replace fprintf with fputs where there are
2122 no format specifiers and no trailing argument after the string.
2123 Eg, when printing ASM_APP_ON/ASM_APP_OFF.
2124 (app_disable): Likewise.
2125 (final_end_function): Likewise.
2126 (final_scan_insn): Likewise. Remove unused variable `set'.
2127 (profile_function): Wrap empty if-statement body in {} brackets.
2129 * function.c: Include stdlib.h.
2130 (pad_below): Wrap prototype and definition in ARGS_GROW_DOWNWARD.
2131 (reposition_prologue_and_epilogue_notes): Add parentheses
2132 around assignment used as truth value.
2134 * integrate.c (expand_inline_function): Wrap variable
2135 `cc0_insn' in macro HAVE_cc0.
2137 * jump.c (jump_optimize): Wrap variable `q' in macro
2138 HAVE_cc0. Remove unused variable `prev1'.
2140 * libgcc2.c (__bb_exit_trace_func): Add parentheses around &&
2141 within ||. Fix format specifier in fprintf.
2142 (__bb_init_prg): Add parentheses around assignment used as
2145 * local-alloc.c: Include stdlib.h.
2146 (requires_inout): Add parentheses around assignment used
2149 * loop.c (analyze_loop_iterations): Wrap prototype and definition
2150 in macro HAVE_decrement_and_branch_on_count.
2151 (insert_bct, instrument_loop_bct): Likewise.
2152 (move_movables): Add parentheses around assignment used as
2154 (consec_sets_invariant_p): Likewise.
2155 (maybe_eliminate_biv_1): Wrap variable `new' in macro HAVE_cc0.
2157 * objc/objc-act.c: Include stdlib.h.
2158 (lookup_method_in_protocol_list): Wrap empty else-statement body
2160 (lookup_protocol_in_reflist): Likewise.
2161 (objc_add_static_instance): Remove unused variables `decl_expr'
2163 (get_objc_string_decl): Remove unused variable `decl'.
2164 (generate_static_references): Remove unused variables `idecl' and
2166 (check_protocols): Wrap empty else-statement body in braces.
2168 * protoize.c: Include stdlib.h.
2169 (substr): Add parentheses around assignment used as truth value.
2170 (abspath): Likewise.
2171 (shortpath): Likewise.
2173 * regmove.c (fixup_match_1): Add parentheses around assignment
2174 used as truth value.
2176 * reload.c (push_secondary_reload): Remove unused variable `i'.
2177 (find_reloads): Add parentheses around assignment used as truth
2180 * reload1.c: Include stdlib.h.
2182 * rtl.h: Correct typo in prototype of offsettable_memref_p.
2184 * stmt.c (add_case_node): Add parentheses around assignment used
2186 (case_tree2list): Likewise.
2188 * tree.c (valid_machine_attribute): Wrap variable `decl_attr_list'
2189 in macro VALID_MACHINE_DECL_ATTRIBUTE. Wrap variable
2190 `type_attr_list' in macro VALID_MACHINE_TYPE_ATTRIBUTE.
2191 (merge_attributes): Add explicit braces to avoid ambiguous
2194 * unroll.c (copy_loop_body): Wrap variable `cc0_insn' in
2197 * varasm.c: Include stdlib.h.
2200 * system.h: Remove sys/stat.h.
2201 * gcc.c: Add sys/stat.h.
2203 * genattr.c: Wrap prototype of `free' in NEED_DECLARATION_FREE.
2204 * genattrtab.c: Likewise.
2205 * genconfig.c: Likewise.
2206 * genemit.c: Likewise.
2207 * genextract.c: Likewise.
2208 * genflags.c: Likewise.
2209 * genopinit.c: Likewise.
2210 * genoutput.c: Likewise.
2211 * genpeep.c: Likewise.
2212 * genrecog.c: Likewise.
2213 * tlink.c: Likewise. Also wrap `getenv' in NEED_DECLARATION_GETENV.
2215 Fri Feb 27 11:02:47 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2217 * invoke.texi: Use @itemx for a secondary item in a @table.
2219 * config/m68k/m68k.md (movsf+1): Optimize moving a CONST_DOUBLE
2222 Thu Feb 26 00:13:21 1998 Ian Lance Taylor <ian@cygnus.com>
2224 * choose-temp.c: Fix handling of sys/file.h to work in libiberty.
2226 Wed Feb 25 23:40:54 1998 Jeffrey A Law (law@cygnus.com)
2228 * i386.c (struct machine_function): Add new fields for PIC stuff.
2229 (save_386_machine_status): Fix argument to xmalloc. Save pic_label_rtx
2231 (restore_386_machine_status): Corresponding changes.
2232 (clear_386_stack_locals): Also clear pic_label_rtx and pic_label_name.
2234 Wed Feb 25 01:31:40 1998 Jeffrey A Law (law@cygnus.com)
2236 * c-parse.y (undeclared variable error): Tweak error message
2239 Tue Feb 24 23:54:07 1998 Richard Henderson <rth@cygnus.com>
2241 * flags.h (g_switch_value, g_switch_set): Declare.
2242 * alpha.c (override_options): Set g_switch_value=8 if not set.
2243 * alpha/elf.h (CC1_SPEC): New.
2245 (LINK_SPEC): Pass along the -G value we were given.
2246 (LOCAL_ASM_OP): Remove.
2247 (ASM_OUTPUT_ALIGNED_LOCAL): Output to .bss or .sbss by size.
2248 (MAX_OFILE_ALIGNMENT): New.
2249 (BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP): New.
2250 (EXTRA_SECTIONS): Add sbss and sdata.
2251 (SECTION_FUNCTION_TEMPLATE): New.
2252 (EXTRA_SECTION_FUNCTIONS): Use it.
2253 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
2254 (SELECT_SECTION): Use sdata when small enough.
2255 * alpha/linux.h (ASM_SPEC): Remove.
2258 Mon Feb 23 15:09:18 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2259 * config.sub (sco5): Fix typo.
2261 Mon Feb 23 18:19:31 1998 Manfred Hollstein <manfred@s-direktnet.de>
2263 * config/t-linux (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Add macros and
2265 * config/t-linux-aout (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Likewise.
2266 * config/alpha/t-linux: Remove file.
2267 * config/sparc/t-linux: Remove file.
2268 * config/m68k/t-linux (LIBGCC1, CROSS_LIBGCC1): Remove.
2269 * config/m68k/t-linux-aout (LIBGCC1, CROSS_LIBGCC1): Likewise.
2270 * configure.in (alpha*-*-linux-gnulibc1*): Use t-linux instead of alpha/t-linux
2272 (alpha*-*-linux-gnu*): Likewise.
2273 (sparc-*-linux-gnulibc1*): Use t-linux instead of sparc/t-linux for tmake_file.
2274 (sparc-*-linux-gnu*): Likewise.
2276 Mon Feb 23 10:47:39 1998 Robert Lipe <robertl@dgii.com>
2277 * collect2.c (ldd_file_name): Bracket declaration with same
2279 (full_real_ld_suffix): Deleted. Variable was calloced and
2280 written into, but never read.
2282 1998-02-23 Mike Stump <mrs@wrs.com>
2284 * configure.in: Add support for i386-wrs-vxworks configuration.
2285 * i386/vxi386.h: New file.
2287 Sun Feb 22 21:16:51 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2289 * tree.c (contains_placeholder_p): Ensure function always returns
2291 * sparc.md (movdi_sp64_insn): Add default case in enumeration switch.
2292 (movsf_const_insn, movdf_const_insn, movtf_const_insn): Likewise.
2294 Sun Feb 22 20:58:19 1998 Jeffrey A Law (law@cygnus.com)
2296 * vms.h (SELECT_SECTION): Use TREE_CODE_CLASS correctly.
2298 1998-02-22 Paul Eggert <eggert@twinsun.com>
2300 * config/sparc/sol2-sld.h (LINKER_DOES_NOT_WORK_WITH_DWARF2):
2301 Define this new symbol.
2302 (DWARF2_DEBUGGING_INFO, DWARF_DEBUGGING_INFO): Do not #undef.
2303 * toplev.c (main): Do not default to DWARF2_DEBUG with -ggdb if
2304 LINKER_DOES_NOT_WORK_WITH_DWARF2 is defined.
2306 Sun Feb 22 20:07:32 1998 Jim Wilson <wilson@cygnus.com>
2308 * iris5.h (DWARF2_UNWIND_INFO): Define to 0.
2309 * iris5gas.h (DWARF2_UNWIND_INFO): Define to 1.
2311 Sun Feb 22 15:29:48 1998 Richard Henderson <rth@cygnus.com>
2313 * objc/Object.m (-error): Call objc_verror with our va_list.
2315 Sun Feb 22 09:45:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2317 * collect2.c (scan_prog_file): Completely cover uses of variable
2318 `exports' with macro COLLECT_EXPORT_LIST.
2320 Sat Feb 21 20:36:23 1998 Jeff Law (law@cygnus.com)
2322 * version.c: Bump for snapshot.
2324 Fri Feb 20 16:22:13 1998 Michael Meissner <meissner@cygnus.com>
2326 * sched.c (schedule_block): Remove code to get arguments from hard
2327 regs into pseudos early. Same as Aug 25, 1997 change to
2330 1998-02-20 Jason Merrill <jason@yorick.cygnus.com>
2332 * collect2.c (main): Still handle !do_collecting for non-AIX targets.
2334 1998-02-16 Mark Mitchell <mmitchell@usa.net>
2336 * toplev.c (rest_of_compilation): Do not defer the output of a
2339 Fri Feb 20 10:39:47 1998 Michael Tiemann <michael@impact.tiemann.org>
2341 * ginclude/va-mips.h (va_arg): Remove trailing space after '\'
2342 continuation character (line 243).
2344 Fri Feb 20 12:10:26 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2346 * genrecog.c (main): Remove duplicated sentence in emitted comment.
2348 Thu Feb 19 22:36:53 1998 Andrey Slepuhin <pooh@msu.net>
2349 David Edelsohn <edelsohn@mhpcc.edu>
2351 * collect2.c (XCOFF_SCAN_LIBS): Remove.
2352 (export_flag): New variable.
2353 (export_file): #ifdef COLLECT_EXPORT_LIST.
2354 (import_file, exports, imports, undefined): New variables.
2355 (libs, cmdline_lib_dirs, libpath_lib_dirs, libpath, libexts): Same.
2356 (dump_list, dump_prefix_list, is_in_list): New functions.
2357 (write_export_file): $ifdef COLLECT_EXPORT_LIST.
2358 (write_import_file, resolve_lib_name): New functions.
2359 (use_import_list, ignore_library): Same.
2360 (collect_exit): maybe_unlink import_file and #ifdef.
2362 (main): New variable importf, #ifdef exportf. Move parsing of
2363 -shared before general argument parsing. Resolve AIX library
2364 paths and import libgcc.a symbols. Treat .so shared libraries the
2365 same as objects and .a libraries. Create alias for object_lst and
2366 increment it instead of original pointer. Scan AIX libraries as
2367 objects earlier instead of using scan_libraries. Perform AIX
2368 tlink later to resolve templates instead of forking ld.
2369 (GCC_OK_SYMBOL): Ensure symbol not in undef section.
2370 (GCC_UNDEF_SYMBOL): New macro.
2371 (scan_prog_file): Loop for members of AIX libraries. Handle
2372 export/import of ctors/dtors.
2373 (aix_std_libs): New variable.
2374 (scan_libraries, XCOFF): Delete.
2376 Thu Feb 19 22:36:52 1998 Robert Lipe <robertl@dgii.com>
2378 * collect2.c (full_real_ld_suffix): #ifdef CROSS_COMPILE.
2380 1998-02-19 Mike Stump <mrs@wrs.com>
2382 * Makefile.in: Use $tooldir for sys-include to match toplevel
2385 Thu Feb 19 01:32:37 1998 Jeffrey A Law (law@cygnus.com)
2386 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2388 * emit-rtl.c (gen_lowpart_common): Suppress last change if __complex__.
2390 * emit-rtl.c (hard-reg-set.h): Include.
2391 (get_lowpart_common): Don't make new REG for hard reg in a
2392 class that cannot change size.
2393 * Makefile.in (emit-rtl.o): Depend on hard-reg-set.h.
2395 * combine.c: Revert previous patch.
2397 1998-02-19 Paul Eggert <eggert@twinsun.com>
2399 * config/sparc/sol2-sld.h: New file.
2400 * configure.in (sparc-*-solaris2*): Use it when using the
2403 Thu Feb 19 00:46:59 1998 Jeffrey A Law (law@cygnus.com)
2405 * loop.c (force_movables): Fix typo.
2407 Thu Feb 19 08:26:30 1998 Manfred Hollstein <manfred@s-direktnet.de>
2409 * m88k.h: Change file pattern to match reality.
2411 Wed Feb 18 23:19:52 1998 Jeffrey A Law (law@cygnus.com)
2413 * varasm.c (output_constant_pool): Fix dumb thinko in last
2416 * pa.h (ASM_OUTPUT_FUNCTION_PREFIX): Correctly translate from
2417 a function name to a section name.
2419 1998-02-18 Doug Evans <devans@cygnus.com>
2421 * tree.h (merge_machine_{type,decl}_attributes): Declare.
2422 (split_specs_attrs, strip_attrs): Add prototypes.
2423 * tree.c (merge_machine_{type,decl}_attributes): New functions.
2424 * c-decl.c (duplicate_decls): Call merge_machine_decl_attributes.
2425 Update olddecl's attributes too.
2426 * c-common.c (strip_attrs): New function.
2427 * c-typeck.c (common_type): Call merge_machine_type_attributes.
2428 * varasm.c (make_function_rtl): New target macro REDO_SECTION_INFO_P.
2429 (make_decl_rtl): Likewise.
2431 1998-02-18 Jim Wilson <wilson@cygnus.com>
2433 * c-decl.c (shadow_tag_warned): Call split_specs_attrs.
2435 Wed Feb 18 09:09:50 1998 Jeffrey A Law (law@cygnus.com)
2437 Remove this change until we can fix it correctly.
2438 * collect2.c: Bracket declaration of 'exportf' and
2439 'full_real_ld_suffix'.
2441 Wed Feb 18 08:44:25 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
2443 * Makefile.in (STAGESTUFF): Add genrtl.c, genrtl.h and gengenrtl.
2445 Tue Feb 17 23:30:20 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
2447 * c-common.c (c_expand_start_cond, c_expand_end_cond,
2448 c_expand_start_else): Don't warn about non-ambiguous else even if
2451 Tue Feb 17 23:56:50 1998 Robert Lipe <robertl@dgii.com>
2453 * sco5.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT,
2454 ASM_OUTPUT_LONG_DOUBLE): Delete. Use the ones from i386.h
2457 Tue Feb 17 22:56:14 1998 Richard Henderson <rth@cygnus.com>
2459 * combine.c (simplify_rtx): Obey CLASS_CANNOT_CHANGE_SIZE when
2460 simplifying a subreg of a hard reg.
2461 (expand_compound_operation): Likewise.
2462 (force_to_mode): Likewise.
2464 Tue Feb 17 22:37:22 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2466 * fold-const.c: Include "system.h" to get stdlib.h and stdio.h.
2467 (lshift_double): Add parentheses around + or - inside shift.
2468 (rshift_double): Likewise.
2469 (size_int_wide): Explicitly set type of `bit_p' to `int'.
2471 * Makefile.in (fold-const.o): Depend on system.h.
2473 * Makefile.in (gcc.o): Depend on system.h, in accordance with last
2476 * haifa-sched.c: Include "system.h" to get <stdlib.h> and <stdio.h>.
2477 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
2478 (sched_note_set): Remove unused parameter `b', all callers changed.
2479 (schedule_block): Likewise for `rgn'.
2480 (split_hard_reg_notes): Likewise for `orig_insn'.
2481 (check_live): Likewise for `trg'.
2482 (update_live): Likewise.
2483 (check_live_1): Explcitly declare variable `i' as int.
2484 (update_live_1): Likewise.
2485 (insn_issue_delay): Remove unused variable `link'.
2486 (sched_analyze_2): Add default case in enumeration switch.
2487 (schedule_insns): Remove unused variable `i'.
2489 * Makefile.in ($(SCHED_PREFIX)sched.o): Depend on system.h.
2491 Tue Feb 17 22:31:04 1998 Jeffrey A Law (law@cygnus.com)
2493 * loop.c (rtx_equal_for_loop_p): Add some braces to disambiguate
2494 a dangling else clause.
2496 Tue Feb 17 21:28:12 1998 Gavin Koch <gavin@cygnus.com>
2498 * mips/mips.h (CAN_ELIMINATE): Don't eliminate the frame
2499 pointer for the stack pointer in MIPS16 and 64BIT.
2501 Tue Feb 17 21:17:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2503 * rtl.h (force_line_numbers, restore_line_number_status): Declare.
2504 * emit-rtl.c (force_line_numbers, restore_line_number_status):
2506 * stmt.c (struct nesting): Replace seenlabel with line_number_status.
2507 (expand_start_case): Adjust to this change.
2508 (check_seenlabel): New function.
2509 (pushcase, pushcase_range, expand_endcase): Use it.
2511 Tue Feb 17 10:14:32 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2513 * i386.md (adddi3): Add =!r,0,0,X alternative.
2515 Mon Feb 16 16:13:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
2517 * rs6000.h (MY_ISCOFF): Add numeric value of U803XTOCMAGIC.
2518 * x-aix31 (INSTALL): Delete.
2520 Mon Feb 16 09:24:32 1998 Gavin Koch <gavin@cygnus.com>
2522 * mips/mips.c (mips_expand_epilogue): Update tsize_rtx if
2523 tsize changes to something other than zero.
2525 Mon Feb 16 09:11:48 1998 Gavin Koch <gavin@cygnus.com>
2527 * ginclude/va-mips.h: Replace casts of pointers to int with
2528 casts of pointers to __PTRDIFF_TYPE__.
2530 Mon Feb 16 08:17:14 1998 John Carr <jfc@mit.edu>
2532 * loop.c (strength_reduce, record_biv, record_giv): Use
2533 HOST_WIDE_INT_PRINT_DEC to print CONST_INT values.
2535 1998-02-16 Jason Merrill <jason@yorick.cygnus.com>
2537 * tree.c (first_rtl_op): New fn.
2538 (unsave_expr_now): Use it.
2539 * print-tree.c (print_node): Likewise.
2540 * tree.c (has_cleanups): New fn.
2541 * fold-const.c (fold, case CLEANUP_POINT_EXPR): Use it. Be more
2542 conservative about pushing the cleanup point down.
2543 * tree.h: Declare them.
2545 Sun Feb 15 23:28:44 1998 Jeffrey A Law (law@cygnus.com)
2547 * toplev.c (flag_schedule_reverse_before_reload): Delete variable.
2548 (flag_schedule_reverse_after_reload): Likewise.
2549 (f_options): Remove reverse scheduling support.
2550 * flags.h (flag_schedule_reverse_before_reload): Delete declaration.
2551 (flag_schedule_reverse_after_reload): Likewise.
2552 * haifa-sched.c (rank_for_schedule): Remove support for reverse
2555 Sun Feb 15 21:33:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2557 * gcc.c: Get system includes, prototypes and macros via "system.h"
2558 instead of doing it manually. Change all calls of the ctype
2559 macros to custom versions defined in "system.h".
2561 * system.h: Fix return type of bcmp prototype from `void' to `int'.
2562 Make bcopy, bcmp and bzero prototypes explicitly `extern'.
2563 Add a prototype for getenv.
2565 Sun Feb 15 17:05:41 1998 Jim Wilson <wilson@cygnus.com>
2567 * mips/mips.h (INITIAL_ELIMINATION_OFFSET): Readd Jun 6 change.
2569 Sun Feb 15 15:23:15 1998 John Carr <jfc@mit.edu>
2571 * alias.c: Include <stdlib.h> and <string.h>.
2572 (init_alias_analysis): Pass NULL_RTX instead of 0 to record_set.
2574 Sat Feb 14 11:23:09 PST 1998 Jeff Law (law@cygnus.com)
2576 * version.c: Bump for snapshot.
2578 Sat Feb 14 05:08:21 1998 Richard Earnshaw (rearnsha@arm.com)
2580 * arm.md (movsfcc): Also validate operands[3] when compiling hard
2582 (movdfcc): Only accept fpu_add_operand for operands[3].
2584 * arm/t-semi (STMP_FIXPROTO): Define to nothing.
2585 * arm/t-semiaof (STMP_FIXPROTO): Likewise.
2587 Sat Feb 14 02:02:41 1998 Jeffrey A Law (law@cygnus.com)
2589 * varasm.c (output_constant_pool): Bring back 'done' label inside
2590 an appropriate #ifdef.
2592 * bitmap.c (bitmap_element_allocate): Wrap variable 'i' in an
2594 (bitmap_copy, bitmap_operation): Likewise.
2595 * combine.c (combinable_i3pat): Similarly for 'src'.
2596 * function.c (fixup_var_refs_1): Similarly for 'outerdest'.
2597 (locate_and_pad_parm): Similarly for 'reg_parm_stack_space'.
2598 * regclass.c (copy_cost): Similarly for 'secondary_class'.
2599 * reload.c (make_memloc): Simliarly for 'i'.
2600 (find_reloads_address_1): Similarly for 'link'.
2601 * reload1.c (reload): Similarly for 'previous_frame_pointer_needed'.
2602 (emit_reload_insns): Similarly for 'second_reloadreg'.
2603 * unroll.c (iteration_info): Similarly for 'v'.
2605 * caller-save.c (insert_save_restore): Remove unused variable 'i'.
2606 * calls.c (expand_call): Similarly for 'i'.
2607 (emit_library_call, emit_library_call_value): Similarly for 'mode'.
2608 * fold-const.c (strip_compund_expr): Similarly for 'type'.
2609 * function.c (fixup_var_refs_1): Similarly for 'width'.
2610 (fixup_memory_subreg): Similarly for 'saved'.
2611 (locate_and_pad_parm): Similarly for 'boundary_in_bytes.'
2612 (setjmp_protect): Similarly for 'sub'.
2613 (thread_prologue_and_epilogue_insns): Similarly for 'insn'.
2614 * loop.c (record_giv): Similarly for 'p'.
2615 (combine_givs): Similarly for 'temp_iv'.
2616 (indirect_jump_in_function_p): Similarly for 'is_indirect_jump'.
2617 * recog.c (validate_replace_rtx_1): Similarly for 'width'.
2618 * tree.c (get_set_constructor_bytes): Similarly for 'vals'.
2619 * unroll.c (unroll_loop): Similarly for 'copy'.
2620 (iteration_info): Similarly for 'b'.
2621 * varasm.c (assemble_string): Similarly for 'i'.
2622 * i386.h (LEGITIMIZE_ADDRESS): Similarly for 'orig_x'.
2624 1998-02-13 Martin von Loewis <loewis@informatik.hu-berlin.de>
2626 * c-lang.c (lang_print_xnode): New function.
2627 * objc/objc-act.c (lang_print_xnode): Likewise.
2628 * print-tree.c (print_node): Call it
2630 Fri Feb 13 14:38:34 1998 Jim Wilson <wilson@cygnus.com>
2632 * dwarf2out.c (decl_scope_node): New type.
2633 (decl_scope_table): Change type to use it.
2634 (decl_scope_table_allocated, decl_scope_depth): Change type to int.
2635 (push_decl_scope): Use new type. New locals containing_scope, i.
2636 Add code to handle setting previous field.
2637 (scope_die_for): Change type of local i to int. Add code to use
2639 (dwarf2out_init): Use new type.
2641 1998-02-13 Jason Merrill <jason@yorick.cygnus.com>
2643 * except.c (emit_throw): Lose throw_used.
2645 Fri Feb 13 20:36:05 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2647 * sched.c (update_flow_info, REG_WAS_0): Ignore if setting insn
2649 * haifa-sched.c (update_flow_info, REG_WAS_0): Likewise.
2651 Fri Feb 13 12:18:40 1998 Jeffrey A Law (law@cygnus.com)
2653 * genextract.c (main): Fix typo.
2655 Fri Feb 13 08:41:49 1998 Robert Lipe <robertl@dgii.com>
2657 * c-lang.c (finish_file): Bracket declaration of static_ctors,
2660 * calls.c (expand_call): Bracket declaration of 'rtx_before_call',
2661 'old_stack_arg_under_construction'
2662 (emit_library_call): Bracket declaration of 'upper_bound',
2663 'lower_bound', 'i', 'reg_parm_stack_space'
2664 (emit_library_call_value): Likewise.
2667 * collect2.c: include <unistd.h> when appropriate.
2668 Bracket declaration of 'exportf' and 'full_real_ld_suffix'.
2670 * emit-rtl.c (prev_cc0_setter): Remove unused variable 'link'.
2672 * explow.c (plus_constant_for_output_wide): Remove unused variable
2674 (memory_address): Remove unused variable 'orig_x'.
2676 * genattrtab.c (make_canonical): Remove unreferenced label 'cond:'.
2677 (write_const_num_delay_slots): Remove unused variable 'i'.
2679 * genopinit.c (main): Remove unused variables 'dummy', 'insn_ptr'.
2680 (gen_insn): Remove unused variable 'obstack_ptr'.
2682 * libgcc2.c (__bb_exit_func): Remove unused variables 'ret',
2684 (__bb_exit_trace_func): Remove unused variable 'e'.
2686 * optabs.c (expand_binop): remove unused variables 'lhs', 'rhs',
2688 (expand_unop): Remove unused variable 'funexp'.
2689 (expand_complex_abs): Remove unused variable 'funexp'.
2690 (init_optabs): Bracket declaration of 'j'.
2691 (init_complex_libfuncs): Deleted. Dead static function.
2693 * profile.c (branch_prob): Remove unused variables 'insn', 'dest'.
2695 * reg-stack.c: Fix typo in proto for 'get_asm_operand_lengths'
2696 (reg_to_stack): 'initialized', 'before_function_beg'
2697 explictly type as ints instead of defaulting.
2698 (emit_swap_insn): Remove unused variable 'i2'.
2699 (compare_for_stack_reg): Remove unused variable 'src_note'.
2701 * rtlanal.c (computed_jump_p): Remove unused variable 'computed_jump'.
2703 * sched.c (actual_hazard): Bracket declaration of 'this_cost'.
2705 * stmt.c (add_case_node): Add parens for assignment used as truth.
2706 (all_cases_count): Remove unused variable 'count_high'.
2707 (mark_seen_cases): Remove unused variable 'i'.
2708 (check_for_full_enumeration_handling): Remove unused variable 't'.
2709 Bracket declaration of 'all_values', 'l'.
2711 * tlink.c: Include <stdlib.h>, <unistd.h>, <string.h>/<strings.h>.
2713 * varasm.c (assemble_string): Remove unused variable 'i'.
2714 (immed_double_const): Remove unused variable 'in_current_obstack'.
2715 (immed_real_const_1): Likewise.
2716 (output_constant_pool): Remove unreferenced label 'done'.
2717 (output_constant): Remove unused variable 'x'.
2719 * i386/i386.h (ENCODE_SECTION_INFO): TREE_PUBLIC is an int, not
2722 * i386/sco5.h (ASM_OUTPUT_ASCII): Add parens for assignment used
2725 Fri Feb 13 10:21:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2727 * combine.c (can_combine_p): Handle USEs in PARALLELs.
2729 Fri Feb 13 01:34:14 1998 H.J. Lu (hjl@gnu.org)
2731 * config/linux.h (LIB_SPEC): Add -lc for -shared if
2732 USE_GNULIBC_1 is not defined.
2733 * config/sparc/linux.h; Ditto.
2735 * config/sparc/linux64.h (LIB_SPEC): Add -lc for -shared.
2737 * config/alpha/linux-elf.h (LIB_SPEC): New. Defined if
2738 USE_GNULIBC_1 is not defined.
2740 Fri Feb 13 01:29:29 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
2742 * rs6000/sysv4.h (ENDFILE_SPEC): add missing %(endfile_linux)
2745 Fri Feb 13 01:23:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2747 * system.h: New file to get common systems includes and various
2748 definitions and declarations based on autoconf macros.
2750 Fri Feb 13 00:46:19 1998 Jeffrey A Law (law@cygnus.com)
2752 * cccp.c (new_include_prefix): Correctly handle -I./.
2754 Thu Feb 12 20:16:35 1998 Michael Meissner <meissner@cygnus.com>
2756 * rs6000.md: Replace gen_rtx (CONST_INT,...) with GEN_INT.
2758 Thu Feb 12 16:45:17 1998 Robert Lipe <robertl@dgii.com>
2760 * expr.c (expand_assignment): Correct typo exposed by -Wall.
2761 offset should have been a truth value, not an assignment.
2763 Thu Feb 12 15:26:50 1998 Jeffrey A Law (law@cygnus.com)
2765 * cse.c (delete_dead_from_cse): If a libcall produces a constant
2766 result and that result can be substituted into SET_SRC of the
2767 insn with the REG_RETVAL note, then perform the substitution
2768 and delete the libcall.
2770 Thu Feb 12 14:04:09 1998 Gavin Koch <gavin@cygnus.com>
2772 * mips.md (trucndihi2,truncdiqi2): Change these to support
2775 Thu Feb 12 11:34:55 1998 Gavin Koch <gavin@cygnus.com>
2777 * mips/mips.c (movdi_operand): Direct referances to symbols
2778 that arn't mips16 consts in mips16 mode arn't valid operands.
2780 * mips/mips.c (mips_move_2words): Add gprel handling.
2782 Thu Feb 12 11:18:37 1998 Gavin Koch <gavin@cygnus.com>
2784 * mips.md (extendsidi2): Allow extension to/from a non-mips16
2787 Thu Feb 12 00:04:16 1998 Marc Lehmann <pcg@goof.com>
2789 * i386.c: Conditionally include <stdlib.h>, <string.h>, and
2792 Wed Feb 11 11:43:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2794 * Makefile.in (WARN_CFLAGS): New variable.
2795 (bootstrap, bootstrap2, bootstrap3, bootstrap4): Use it.
2797 1998-02-11 Mark Mitchell <mmitchell@usa.net>
2799 * config/i386/i386.c (reg_mentioned_in_mem): Don't abort when
2800 falling through default case in switch.
2801 (i386_aligned_p): Likewise.
2803 Wed Feb 11 12:59:56 1998 Lee Iverson <leei@Canada.AI.SRI.COM>
2805 * mips/mips.h (mips_abi_string): Correct typo in comment.
2807 Wed Feb 11 08:29:56 1998 Gavin Koch <gavin@cygnus.com>
2809 * mips/mips.md (movdi): These PLUS's need to be Pmode.
2811 Wed Feb 11 01:47:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2813 * Makefile.in (dwarf2out.o, emit-rtl.o, jump.o, cse.o, unroll.o,
2814 reorg.o, regmove.o): Depend on insn-codes.h, it gets included
2815 indirectly via expr.h.
2817 Wed Feb 11 01:44:13 1998 Richard Henderson <rth@cygnus.com>
2819 * stor-layout.c (layout_type): Do upper - lower in the native type,
2820 so as to properly handle negative indices.
2822 Wed Feb 11 01:35:55 1998 Robert Lipe <robertl@dgii.com>
2824 * except.c (start_dynamic_cleanup): Remove unused variable 'dhc'.
2825 (expand_eh_region_start_tree): Remove unused variable 'note'.
2826 (exception_optimize): Remove unused variable 'regions'.
2827 (expand_builtin_eh_stub): Remove unused variable 'temp'.
2828 (copy_eh_entry): Deleted. Dead function.
2830 * expr.c (move_block_to_reg) Bracket declaration of 'pat' and
2831 'last' with same #if HAVE_load_multiple as use of it.
2832 (move_block_from_reg): Likewise.
2833 (emit_move_insn_1): Remove unused variable 'insns'.
2834 (store_constructor): Bracket declaration of startb, endb with
2835 #if TARGET_MEMFUNCTIONS. Remove unused variables 'set_word_size'
2836 'target', and 'xtarget'.
2837 (expand_builtin_setjmp): Remove unused variables 'op0',
2838 'next_arg_reg', 'old_inhibit_defer_pop'.
2839 (expand_builtin): Remove unused variable 'offset'.
2840 (do_store_flag): Remove unused variables 'pattern', 'jump_pat'.
2841 (emit_queue): Add parens for assignment used as conditional.
2842 (expand_expr): case TARGET_EXPR: Remove unused variable 'temp'.
2844 Wed Feb 11 01:30:49 1998 Marc Lehmann <pcg@goof.com>
2846 * i386.c: Added include for recog.h.
2847 (override_options): Removed unused variable p. Initialized regno to
2849 (order_regs_for_local_alloc): Initialized regno to avoid warning.
2850 (legitimize_address): Likewise for 'other'.
2851 (i386_aligned_reg_p): Added default case with abort ().
2852 (print_operand): Likewise.
2853 (reg_mentioned_in_mem): Likewise.
2854 (ix86_expand_binary_operator): Removed unused variables i & insn.
2855 (ix86_expand_unary_operator): Removed unused variable insn.
2856 (output_fp_cc0_set): Removed unused variable unordered_label.
2858 Wed Feb 11 01:23:03 1998 John F. Carr <jfc@mit.edu>
2860 * i386.c, i386.h, i386.md: Change gen_rtx (X, ...) to gen_rtx_X (...).
2861 Use GEN_INT instead of gen_rtx (CONST_INT). Make printf arguments
2862 and format string match.
2864 Wed Feb 11 01:17:39 1998 Jeffrey A Law (law@cygnus.com)
2866 * flow.c (life_analysis): Do not conside the stack pointer live at
2867 the end of a function if the fucntio ncalls alloca.
2868 (mark_used_regs): Similarly.
2870 1998-02-10 John F Carr <jfc@mit.edu>
2872 * config/sparc/sparc.md (movdi_v8plus): Output stx on alternative
2873 1, fzero on alternative 8.
2875 Tue Feb 10 09:02:19 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2877 * rs6000.c (setup_incoming_varargs): Always set rs6000_sysv_varargs_p.
2879 Tue Feb 10 03:35:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2881 * reload.c (find_reloads_toplev): Handle arbitrary non-paradoxical
2882 SUBREGs of CONST_INTs.
2884 Mon Feb 9 17:52:36 1998 John Carr <jfc@mit.edu>
2886 * mips.c (print_operand, function_prologue): Make printf format
2887 match argument type.
2889 Mon Feb 9 02:37:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2891 * alpha.c (alpha_return_addr): Remove unused variable `first'.
2892 (alpha_ra_ever_killed): Remove unused variables `ra' and `i'.
2893 (output_epilog): Remove unused variable `frame_size_from_reg_save'.
2895 Sun Feb 8 14:56:03 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2897 * loop.c (strength_reduce): When placing increment for auto-inc
2898 case, do comparison in loop order.
2900 Sun Feb 8 13:21:38 1998 John Carr <jfc@mit.edu>
2902 * bitmap.c (bitmap_debug_file): HOST_PTR_PRINTF converts a pointer,
2903 not a HOST_WIDE_INT.
2905 * calls.c (expand_call): Change test of expand_inline_function
2906 return value to stop compiler warning.
2908 * genattrtab.c (RTL_HASH): Cast pointer to long, not HOST_WIDE_INT.
2910 Sun Feb 8 12:04:24 1998 Jim Wilson (wilson@cygnus.com)
2911 Jeff Law (law@cygnus.com)
2913 * regmove.c: Fix various minor formatting problems.
2914 (optimize_reg_copy_1): Stop search at CALL_INSNs if flag_exceptions
2915 is true. Make end of basic block tests consistent through regmove.c.
2916 (optimize_reg_copy_2, optimize_reg_copy_3): Likewise.
2917 (fixup_match_2, fixup_match_1, regmove_optimize): Likewise.
2919 Sun Feb 8 01:49:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2921 * gansidecl.h: Check for a conflicting macro definition before
2922 attempting to prototype bcopy, bcmp or bzero.
2924 Sun Feb 8 00:09:59 1998 Jeffrey A Law (law@cygnus.com)
2926 * expr.c (clear_pending_stack_adjust): Handle case where a function
2927 calls alloca, but the user has specified -fomit-fframe-pointer.
2929 * function.c (assign_parms): Fix typo in last change.
2931 Sat Feb 7 23:54:29 1998 Robert Lipe <robertl@dgii.com>
2933 * gcc.c: Include <strings.h>/<string.h>, <stdlib.h>, <unistd.h>,
2935 (free_path_suffix): Remove unreferenced static function.
2936 (process_command): Remove unused variable temp.
2937 (default_arg): Remove unused variable i.
2938 (do_spec_1): Add parens for assignment used as truth value.
2940 (validate_all_switches): Likewise.
2941 (main): Remove unused variables i, first_time>
2943 * c-common.c: Include <stdlib.h> and <string.h>/<strings.h>.
2945 * calls.c (expand_call): Remove unused variables funtree,
2946 n_regs, and tmpmode.
2948 * dbxout.c, except.c: Include <string.h>/<strings.h>.
2950 * explow.c: (plus_constant_for_output_wide) Removed unused
2951 variable all_constant.
2953 * c-decl.c, genattr.c, genattrtab.c, getconfig.c, genemit.c
2954 genextract.c, genflags.c, genopinit.c genoutput.c, genpeep.c,
2955 genrecog.c, global.c, integrate.c , stupid.c : Include
2958 * genextract.c: (walk_rtx) Remove unused variable link.
2960 * genrecog.c: (concat) Remove unreferenced static function.
2962 * prefix.c: Include <string.h>/<strings.h>, <stdlib.h>
2964 * stmt.c: Include <stdlib.h>.
2965 (expand_asm_operands): Remove unused variable val1.
2966 (expand_return): Remove unused variable block.
2967 (pushcase): Remove unused variables l and n.
2968 (pushcaserange): Likewise.
2970 * unroll.c (unroll_loop): Remove unused variable temp.
2972 Sat Feb 7 23:46:09 1998 Greg McGary <gkm@gnu.org>
2974 * c-decl.c (pushdecl): Set DECL_ORIGINAL_TYPE once only.
2976 Sat Feb 7 15:11:28 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2978 * aclocal.m4 (GCC_FUNC_PRINTF_PTR): New macro to test the printf
2979 functions for whether they support the %p format specifier.
2980 * acconfig.h (HOST_PTR_PRINTF): Insert stub for autoconf.
2981 * configure.in (GCC_FUNC_PRINTF_PTR): Use it.
2982 * configure, config.in: Rebuild.
2984 Fri Feb 6 14:20:16 1998 Jim Wilson <wilson@cygnus.com>
2986 * function.c (assign_parms): New variable named_arg, with value
2987 depending on STRICT_ARGUMENT_NAMING. Use instead of ! last_named.
2989 Fri Feb 6 14:34:28 1998 Gavin Koch <gavin@cygnus.com>
2991 * mips/t-r3900: New - same as t-ecoff but eliminate
2992 multilibs: mips1 and mips3.
2993 * configure.in (tx39*): Use new mips/t-r3900.
2994 * configure: Rebuild.
2995 * mips/r3900.h (MULTILIB_DEFAULTS): Eliminate mips1.
2997 1998-02-06 Jason Merrill <jason@yorick.cygnus.com>
2999 * dwarf2out.c: Add old_args_size.
3000 (dwarf2out_args_size): Use it.
3001 (dwarf2out_begin_prologue): Initialize it.
3002 (dwarf2out_stack_adjust): If !asynchronous_exceptions, save up
3003 pushed args until we see a call.
3004 * final.c (final_scan_insn): Hand CALL_INSNs off to the dwarf2 code
3005 before outputting them.
3007 1998-02-06 Kriang Lerdsuwanakij <lerdsuwa@scf.usc.edu>
3009 * cplus-dem.c (demangle_template_template_parm): New function.
3010 (demangle_template): Handle template template parameters.
3012 1998-02-02 Mark Mitchell <mmitchell@usa.net>
3014 * calls.c (expand_call): Don't confuse member functions named
3015 realloc, setjmp, and so forth with the standard library
3016 functions of the same names.
3018 Thu Feb 5 21:59:49 1998 Jeffrey A Law (law@cygnus.com)
3020 * stmt.c (expand_asm_operands): Correctly identify asm statements
3023 Thu Feb 5 21:56:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
3025 * c-common.c (decl_attributes): Flag unrecognized attribute
3026 functions as warnings instead of as errors.
3028 1998-02-05 Marc Lehmann <pcg@goof.com>
3030 * integrate.c (INTEGRATE_THRESHOLD): Inline only small functions
3031 when -Os is specified.
3032 * toplev.c (main): Don't disable flag_inline_functions anymore when
3035 Fri Feb 6 00:27:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3037 * regmove.c: Update.
3038 * flags.h (flag_regmove): Declare.
3039 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Don't declare.
3040 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2):
3041 Moved into regmove; changed caller.
3042 * toplev.c (rest_of_compilation): Call regmove_optimize also for
3043 expensive_optimizations.
3045 Thu Feb 5 13:38:42 PST 1998 Jeff Law (law@cygnus.com)
3047 * version.c: Bump for snapshot.
3049 Thu Feb 5 01:45:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3050 Undo this change (the problem was actually in reload):
3051 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3053 * sh.md (movqi_i+1): New peephole.
3055 Tue Feb 3 01:11:12 1998 Jeffrey A Law (law@cygnus.com)
3057 * jump.c (jump_optimize): Lose calls to modified_in_p they are
3058 not needed anymore due to changes elsewhere in jump.c.
3060 * jump.c (jump_optimize): Fix first arg to modified_in_p in
3063 Mon Feb 2 19:18:14 1998 Richard Henderson <rth@cygnus.com>
3065 * expr.c (expand_builtin_setjmp): Accept two new arguments for
3066 the labels to branch to on first and subsequent executions. Don't
3067 play with __dummy. Rename `setjmp' insn to `builtin_setjmp_setup',
3068 and provide it with the jmp_buf. Use only one of
3069 `builtin_setjmp_receiver' or `nonlocal_goto_receiver',
3070 and provide the former with the target label.
3071 (expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp.
3072 (expand_builtin) [BUILTIN_LONGJMP]: Split out to ...
3073 (expand_builtin_longjmp): ... here. Recognize a `builtin_longjmp'
3074 insn to replace all of the normal nonlocal_goto code. Don't play
3075 with __dummy. Correct arguments to nonlocal_goto.
3076 * expr.h (expand_builtin_setjmp): Update prototype.
3077 * except.c (start_dynamic_handler): When using builtin_setjmp,
3078 generate more accurate flow information.
3080 * alpha.md (nonlocal_goto_receiver_osf): Delete.
3081 (nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver.
3082 (builtin_longjmp, builtin_setjmp_receiver): New.
3083 * sparc.md (update_return): Disambiguate unspec number.
3084 (nonlocal_goto): Rearrange arguments to match caller in except.c.
3085 (builtin_setjmp_setup): Rename from setjmp. Match and ignore the
3087 * mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove.
3088 (builtin_setjmp_setup*, builtin_longjmp): New.
3090 Mon Feb 2 16:43:10 1998 John Carr <jfc@mit.edu>
3092 * mips.md: Change gen_rtx (CONST_INT) to GEN_INT.
3094 Mon Feb 2 13:06:47 1998 Jim Wilson <wilson@cygnus.com>
3096 * vmsconfig.com: Remove bytecode references.
3098 1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3100 * dwarf2out.c (dwarf2out_frame_init): Undo last change, so that
3101 -fno-sjlj-exceptions works for a target that defines
3102 DWARF2_UNWIND_INFO as zero.
3104 * regmove.c (fixup_match_1): Undo last change which removed some
3105 "useless" code, and add a comment explaining this.
3107 Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com)
3109 * mips.c (mips_expand_prologue): Change uses of TARGET_64BIT
3112 Mon Feb 2 10:38:41 1998 Klaus Kaempf <kkaempf@progis.de>
3114 * makefile.vms: Remove bytecode references.
3115 Create genrtl files.
3117 Mon Feb 2 02:08:04 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
3119 * jump.c (jump_optimize): Allow conditional loading of floating point
3120 constants and constants from memory. Reinstalled modified_in_p tests.
3122 Mon Feb 2 01:38:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3124 * loop.c (get_condition): Handle sign-extended constants.
3126 Mon Feb 2 01:22:46 1998 Hans-Peter Nilsson <hp@axis.se>
3128 * expr.c (emit_push_insn): Add code to use movstrti if present.
3130 * expr.c (emit_push_insn): Use same max-move-amount for movstrhi
3131 and movstrqi as in emit_block_move ().
3133 Mon Feb 2 00:09:52 1998 Toon Moene <toon@moene.indiv.nluug.nl>
3135 * config/m68k/x-next: Remove /NextDeveloper/Headers from
3136 the directories to fixinclude - /usr/include is a link
3137 to it and hence its contents are fixed by default.
3139 Sun Feb 1 14:15:33 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
3141 * rs6000/linux.h: define JUMP_TABLES_IN_TEXT_SECTION
3143 Sun Feb 1 13:01:15 1998 Klaus Kaempf <kkaempf@progis.de>
3145 * cccp.c (main): Predefine __VMS_VER on VMS.
3147 Sun Feb 1 12:39:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3149 * expr.c (get_inner_reference): Use sbitsizetype for type sizes.
3150 * fold-const.c (size_int): Replace with
3152 (make_bit_field_ref): Use bitsize_int for bit position.
3153 * stor-layout.c (sizetype): Delete.
3154 (sizetype_tab, sbitsizetype, ubitsizetype): Declare.
3155 (layout_record, layout_union, layout_type):
3156 Use bitsize_int for bit size.
3157 (set_sizetype): New function.
3158 (make_signed_type, make_unsigned_type): Use it.
3159 * c-decl.c (init_decl_processing): Likewise.
3160 * tree.h (size_int): Don't delcare, #define.
3161 (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
3162 (set_sizetype): Declare.
3163 (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
3165 * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
3166 Convert result to sizetype.
3167 (really_start_incremental_init, push_init_level):
3168 Set type of constructor_bit_index to sbitsizetype.
3169 (push_init_level): Use unsigned arithmetic to determine padding.
3170 (output_init_element): Likewise.
3172 Sun Feb 1 03:32:07 1998 Jeffrey A Law (law@cygnus.com)
3174 * combine.c (simplify_shift_const): Fix typo in last change.
3176 Sun Feb 1 02:50:46 1998 John Carr <jfc@mit.edu>
3178 * combine.c (simplify_shift_const): (lshiftrt (truncate (lshiftrt)))
3179 is (truncate (lshiftrt)).
3181 Sun Feb 1 01:06:53 1998 Richard Henderson <rth@cygnus.com>
3183 * alpha.c (alpha_expand_unaligned_load): Use expand_binop properly.
3184 Make sure result winds up in TGT.
3185 (alpha_expand_unaligned_store): Use expand_binop properly. Allow
3186 src to be other than DImode.
3187 (alpha_expand_unaligned_load_words): Tidy. Take an offset argument.
3188 (alpha_expand_unaligned_store_words): Likewise.
3189 (alpha_expand_block_move): Use REGNO_POINTER_ALIGN. Restructure so
3190 that source and destination are separately optimized for alignment.
3191 (alpha_expand_block_clear): Use REGNO_POINTER_ALIGN.
3193 Sun Feb 1 01:55:09 1998 Jeffrey A Law (law@cygnus.com)
3195 * mips.md (adddi3_internal_2): Be consistent with adddi3 expander
3196 with handling of -32768.
3198 Sun Feb 1 01:48:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3200 * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a
3201 shell variable argument instead of only hard coded functions.
3202 (GCC_NEED_DECLARATIONS): New macro to accept multiple functions.
3204 * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one
3205 call. Collapse multiple calls to GCC_NEED_DECLARATION into one
3206 call to GCC_NEED_DECLARATIONS (new macro.) Check if we need
3207 declarations for bcopy, bcmp and bzero.
3209 * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations.
3211 * gansidecl.h: If we have bcopy but don't declare it, then do so.
3212 Likewise for bcmp and bzero. Only define macros for bcopy, bcmp,
3213 bzero, index and rindex if they aren't already present.
3215 Sat Jan 31 11:26:58 1998 Jeffrey A Law (law@cygnus.com)
3217 * toplev.c (close_dump_file): Wrap function prototype for
3218 argument "func" in PROTO.
3219 (dump_rtl): Likewise.
3221 Fri Jan 30 22:30:39 1998 John Carr <jfc@mit.edu>
3223 * sparc.c (sparc_override_options): Make v8plus and ultrasparc set
3225 (output_function_epilogue): Omit epilogue if nothing drops through.
3226 (output_move_double): Supress int ldd usage on ultrasparc and v9.
3227 (registers_ok_for_ldd_peep): Likewise.
3228 (print_operand): Supress b,a on ultrasparc. Let Y accept a constant.
3229 (ultrasparc_adjust_cost): New function.
3230 (sparc_issue_rate): New function.
3231 * sparc.h (MASK_VIS, TARGET_VIS): New
3232 (MASK_V8PLUS, TARGET_V8PLUS): New.
3233 (TARGET_HARD_MUL32, TARGET_HARD_MUL): New.
3234 (TARGET_SWITCHES): Add vis and v8plus.
3235 (REG_CLASS_FROM_LETTER): Accept d and b for VIS.
3236 (REGISTER_MOVE_COST): FP<->INT move cost 12 for ultrasparc.
3237 (RTX_COSTS): Use TARGET_HARD_MUL
3238 (ADJUST_COST): Call ultrasparc_adjust_cost.
3240 * sparc.md (attr type): Add sload, fpmove, fpcmove. Adjust users
3241 of load & fp appropritely.
3242 (supersparc function units): Adjust for Haifa.
3243 (ultrasparc function units): Likewise.
3244 (get_pc_via_rdpc): All v9, not just arch64.
3245 (movdi_v8plus, movdi_v8plus+1): New.
3246 (adddi3_sp32+1): New.
3247 (subdi3_sp32+1): New.
3248 (movsi_insn, movsf_const_insn, movdf_const_insn): Know VIS.
3249 (addsi3, subsi3, anddi3_sp32, andsi3, and_not_di_sp32): Likewise.
3250 (and_not_si, iordi3_sp32, iorsi3, or_not_di_sp32, or_not_si): Likewise.
3251 (xorsi3_sp32, xorsi3, xor_not_di_sp32, xor_not_si): Likewise.
3252 (one_cmpldi2_sp32, one_cmplsi2): Likewise.
3253 (ldd peepholes): Suppress for v9.
3254 (return_adddi): Kill redundant test. Arg1 may be arith_operand.
3255 (return_subsi): Revmove.
3257 Fri Jan 30 18:30:03 1998 John F Carr <jfc@mit.edu>
3259 * mips.c (save_restore_insns): Set RTX_UNCHANGING_P in register
3260 save/restore MEM rtl.
3262 Fri Jan 30 09:08:16 1998 Jeffrey A Law (law@cygnus.com)
3264 * configure.in: Check for declaration of abort.
3265 * acconfig.h: Corresponding changes.
3266 * toplev.c: Use NEED_DECLARATION_ABORT to determine if abort should
3269 Thu Jan 29 20:26:12 1998 Jeffrey A Law (law@cygnus.com)
3271 * genattrtab.c (optimize): Define in case PRESERVE_DEATH_INFO_REGNO_P
3274 Thu Jan 29 09:27:56 PST 1998 Jeff Law (law@cygnus.com)
3276 * version.c: Bump for snapshot.
3278 Thu Jan 29 10:12:27 1998 Jeffrey A Law (law@cygnus.com)
3280 * configure.in: Check for atoq and atoll.
3281 * rtl.c (read_rtx): Use HAVE_ATOLL and HAVE_ATOQ to select the
3282 proper routine for converting ascii into long long values.
3284 Thu Jan 29 01:28:14 1998 Klaus Kaempf <kkaempf@progis.de>
3286 * cccp.c (SYS$SEARCH, SYS$PARSE): Write as upper-case.
3288 * vmsconfig.com: Remove bytecode references.
3290 * alpha/vms.h (PREFIX): Define.
3292 * alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Remove.
3294 * am-alpha.h: Don't include alloca for OPEN_VMS.
3296 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define.
3298 * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define.
3299 (GCC_INCLUDE_DIR): Define
3301 * make-cc.com, make-cccp.com, make-cc1.com: Removed.
3302 * makefile.vms: New file.
3304 * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha.
3306 * alpha.c (output_prolog): Output '.name' directive
3307 for minimal traceback information.
3309 * alpha.c (output_prolog): Don't prepend entry point symbols
3310 with '$' on OPEN_VMS.
3312 Thu Jan 29 00:25:35 1998 David S. Miller <davem@tanya.rutgers.edu>
3313 Jeffrey A Law (law@cygnus.com)
3315 * rtl.c (read_rtx): Use atol/atoq based upon disposition of
3318 * genattrtab.c (write_test_expr): Use HOST_WIDE_INT_PRINT_DEC
3320 * genemit.c (gen_exp): Likewise.
3321 * genpeep.c (match_rtx): Likewise.
3322 * genrecog.c (write_tree_1): Likewise.
3324 * c-lex.c (yyprint): Use proper format string based upon
3325 disposition of HOST_BITS_PER_WIDE_INT.
3326 (yylex): Put casts in right place for args to build_int_2.
3328 Thu Jan 29 00:24:29 1998 Jeffrey A Law (law@cygnus.com)
3330 * combine.c: Fix typos in Jan27 changes.
3332 Thu Jan 29 00:07:49 1998 Ollivier Robert <roberto@keltia.freenix.fr>
3334 * i386/freebsd.h (LIB_SPEC): Correctly handle -shared, -p and friends.
3335 (LINK_SPEC): Likewise.
3336 (STARTFILE_SPEC): Likewise.
3338 1998-01-28 Mike Stump <mrs@wrs.com>
3340 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
3342 * genattrtab.c (reload_completed): Define.
3344 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete
3347 Wed Jan 28 20:11:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3349 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
3350 SUBREG_REG if the word count is unchanged, also in the input reload
3351 case. Disable non-applicable sanity checks.
3353 Wed Jan 28 20:08:26 1998 Jeffrey A Law (law@cygnus.com)
3355 * config/t-svr4 (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
3357 Wed Jan 28 20:04:43 1998 Ian Lance Taylor <ian@cygnus.com>
3359 * i386/t-cygwin32 (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
3361 Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com>
3363 * dbxout.c (dbxout_type): For a RECORD_TYPE, check that TYPE_BINFO
3364 is a TREE_VEC before trying to use it for baseclasses.
3365 (Chill uses the same field for a different purpose.)
3367 * toplev.c (strip_off_ending): Generalize to endings up to 5 chars.
3369 Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi>
3371 * config.sub: More accurate determination of HP processor types.
3373 Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3375 * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
3376 prototype for `handle_sysv_pragma', and make it static. Add
3377 parentheses around assignment used as truth value.
3379 * combine.c (combine_instructions): Protect variable `prev' with
3381 (can_combine_p): Protect variable `link' with AUTO_INC_DEC.
3382 (extract_left_shift): Add parentheses around operand of &.
3383 (merge_outer_ops): Avoid an empty body in an else-statement.
3384 (gen_rtx_combine): Remove unused variable `i'.
3386 * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
3387 function monstartup `void'. Likewise for internal_mcount. Add
3388 `static void' prototype for moncontrol. Reconcile sprintf format
3391 * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
3392 Make return type of function_arg_slotno explicitly `int'.
3393 (reg_unused_after): Add parentheses around assignment used as
3395 (save_regs): Add explicit braces to avoid ambiguous `else'.
3396 (function_arg_slotno): Add parentheses around && within ||.
3397 (function_arg_pass_by_reference): Likewise.
3398 (sparc_flat_output_function_prologue): Reconcile fprintf format
3401 * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
3402 assignment used as truth value.
3404 * cplus-dem.c: Include <stdlib.h>.
3405 (demangle_signature): Avoid an empty body in an else-statement.
3406 (do_type): Remove unused variable `lvl'.
3408 * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
3409 Include <string.h>/<strings.h>.
3410 (cpp_lex): Remove unused variable `namelen'.
3411 (cpp_lex): Explicitly declare `num_chars' as an int.
3413 * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
3414 <unistd.h> instead. Explicitly declare is_system_include
3416 (make_assertion): Remove unused variable `kt'.
3417 (cpp_expand_to_buffer): Hide variable `obuf'.
3418 (output_line_command): Remove unused variables, `line_end',
3419 `line_cmd_buf' and `len'.
3420 (macarg): Remove unused variable `arg_start'.
3421 (special_symbol): Remove unused variable `i'. Add parentheses
3422 around assignment used as truth value.
3423 (do_include): Remove unused variables `pcfname' and `retried',
3424 hide `pcf' and `pcfbuflimit'.
3425 (do_line): Remove unused variable `i'.
3426 (finclude): Hide variable `missing_newline'.
3427 (cpp_handle_options): Remove unused variable `j'.
3428 (read_token_list): Remove unused variable `eofp'.
3429 (cpp_error_with_line): Remove unused variable `i'.
3430 (cpp_warning_with_line): Likewise.
3431 (cpp_pedwarn_with_line): Explicitly declare `column' as int.
3432 (cpp_error_from_errno): Remove unused variable `i'.
3434 * cse.c (invalidate): Add parentheses around assignment used as
3436 (find_best_addr): Move declaration of variable `our_cost' inside
3437 the conditional macro where its used.
3438 (fold_rtx): Avoid an empty body in an if-statement.
3439 (cse_insn): Wrap variables `this_insn_cc0_mode' and
3440 `this_insn_cc0' in macro HAVE_cc0.
3442 * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
3443 (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
3444 (output_uleb128): Likewise.
3445 (output_sleb128): Likewise.
3446 (output_cfi): Likewise.
3447 (output_call_frame_info): Remove unused variables `j', `fde_size'
3449 (comp_unit_has_inlines): Hide declaration as per rest of file.
3450 (size_of_line_prolog): Correct typo in prototype.
3451 (add_arange): Likewise.
3452 (output_aranges): Likewise.
3453 (add_name_and_src_coords_attributes): Likewise.
3454 (gen_array_type_die): Likewise.
3455 (gen_inlined_subroutine_die): Likewise.
3456 (equate_decl_number_to_die): Remove unused variable `i'.
3457 (print_die): Reconcile format vs. args in fprintf's.
3458 (print_dwarf_line_table): Likewise.
3459 (output_die): Likewise.
3460 (output_line_info): Likewise.
3461 (add_subscript_info): Avoid an empty body in an else-statement.
3462 (gen_subprogram_die): Remove unused variable `fp_loc'.
3464 * dwarfout.c: Explicitly declare `next_pubname_number' as int.
3465 Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
3466 macro. Protect `src_coords_attribute' prototype with
3467 DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
3468 prototype as in the rest of the file. Likewise for
3469 `output_pointer_type_die' and `output_reference_type_die'. Remove
3470 prototype for `type_of_for_scope'.
3471 (output_unsigned_leb128): Reconcile format vs. args in fprintf.
3472 (type_attribute): Add explicit braces to avoid ambiguous `else'.
3474 * final.c: Include <stdlib.h> and <string.h>/<strings.h>.
3475 (shorten_branches): Protect declaration of tmp_length with
3476 SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
3477 (profile_function): Protect declaration of `sval' and `cxt'
3478 variables with appropriate macros.
3479 (final_scan_insn): Likewise for `note' variable. Add explicit
3480 braces to avoid empty body in an if-statement.
3481 (output_asm_insn): Move variable `i' inside macro conditional
3482 where it is used. Add parentheses around assignment used as truth
3484 (asm_fprintf) Likewise, likewise.
3486 * fix-header.c (main): Remove unused variable `done'. Protect
3487 declaration of `i' with FIXPROTO_IGNORE_LIST.
3489 * pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
3491 * print-rtl.c (print_inline_rtx): Explicitly declare the parameter
3494 * profile.c: Include <string.h>/<strings.h>.
3495 (instrument_arcs): Remove unused variables `note', `inverted',
3496 `zero' and `neg_one'.
3497 (branch_prob): Avoid empty body in an if-statement.
3499 * regclass.c: Include <stdlib.h>.
3500 (reg_alternate_class): Explicitly declare parameter `regno'.
3502 * regmove.c (regmove_optimize): Remove unused variable `p'. Add
3503 parentheses around assignment used as truth value.
3504 (find_matches): Remove unused variables `output_operand' and
3506 (fixup_match_1): Remove statement with no effect: "if (0) ;".
3508 * scan.c (sstring_append): Explicitly declare `count' as int.
3509 (scan_string): Explicitly declare parameter `init' as int.
3511 * sched.c: Include <stdlib.h>.
3512 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
3513 (rank_for_schedule): Add parentheses around assignment used as
3515 (schedule_block): Likewise.
3516 (regno_use_in): Likewise.
3517 (schedule_insns): Remove unused variable `i'.
3519 * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
3520 (v_message_with_decl): Remove unused variable `n'.
3521 (botch): Explicitly declare parameter `s' as char *.
3522 (main): Add parentheses around assignment used as truth value.
3524 * tree.c (make_node): Protect the variable `kind' with the
3525 GATHER_STATISTICS macro.
3526 (real_value_from_int_cst): Move variable `e' inside conditional
3527 macro area where it is used.
3528 (tree_last): Add parentheses around assignment used as truth value.
3529 (build1): Protect the variable `kind' with the GATHER_STATISTICS
3531 (print_obstack_statistics): Reconcile format vs. args in fprintf.
3532 Protect variables `i', `total_nodes', and `total_bytes' with the
3533 GATHER_STATISTICS macro.
3535 Tue Jan 27 23:01:55 1998 Mike Stump (mrs@wrs.com)
3537 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add
3538 some comments regarding use of dead_or_set_p.
3540 Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com>
3542 * fixincludes: Tweak fix for struct exception in math.h
3544 Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com)
3546 * mips/mips.c (mips_expand_prologue,mips_expand_epilogue):
3547 Change mode of registers used to add/sub from
3548 hard_frame_pointer_rtx from word_mode to Pmode.
3550 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
3552 * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use
3553 asm_output_aligned_bss() instead of asm_output_bss().
3555 * toplev.c (rest_of_compilation): Replace references to
3556 stack_reg_dump_file and dbr_sched_dump_file with references to
3559 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
3561 * tlink.c (scan_linker_output): Call fclose() for opened files.
3563 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
3565 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
3566 compiling with -fpic -- we want to be able to override symbols
3568 (alpha_expand_block_move): Fix thinko in last change.
3570 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
3571 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
3572 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
3574 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
3576 * alpha.md (abssf, absdf): Revert last change.
3578 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
3580 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
3581 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
3583 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
3585 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
3586 a CONST_INT into SFmode.
3588 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
3590 * flags.h: New flag (optimize_size).
3591 * toplev.c (main): Parse -Os option and set optimize_space
3593 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
3594 __OPTIMIZE_SIZE__ when compiling with -Os.
3595 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
3596 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
3597 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
3599 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
3601 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
3603 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
3604 stuff only if MCT_TEXT is #define'd.
3606 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
3608 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
3611 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
3613 * toplev.c: Add -dM command line option to dump RTL after the
3614 machine dependent reorganisation pass, if there is one.
3615 Reorganise RTL dump code, so that only one file handle is
3618 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
3620 * except.c (check_exception_handler_labels): Disable warning when
3623 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
3625 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
3627 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3629 * c-decl.c (grokdeclarator): Get parameter tags from
3630 last_function_parm_tags.
3631 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
3632 traversing the parameter types.
3633 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
3635 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
3637 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
3639 (get_shift_alg): Fix typo.
3641 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
3643 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
3645 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
3647 * toplev.c (get_run_time): Make sure each case gets its variables.
3649 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
3651 * configure.in (build_xm_file): Add auto-config.h if host=build.
3652 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
3653 (build_xm_file_list): Likewise.
3654 * configure: Rebuild.
3656 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
3658 * recog.c (validate_replace_rtx_1): Only perform substitutions
3659 of arguments to commutative and comparison operators once.
3661 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3663 * sparc.c (output_cbranch): Add default case in
3666 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
3667 (emit_delay_sequence): Eliminate unused parameter, all callers
3669 (fill_simple_delay_slots): Likewise.
3670 (fill_slots_from_thread): Likewise.
3671 (fill_eager_delay_slots): Likewise.
3672 (mark_referenced_resources): Add default case in enumeration switch.
3673 (mark_set_resources): Likewise.
3674 (rare_destination): Likewise.
3675 (mostly_true_jump): Likewise.
3676 (find_dead_or_set_registers): Likewise.
3677 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
3678 (update_reg_unused_notes): Remove unused variable `p'.
3679 (mark_target_live_regs): Remove unused variables `next' and
3681 (fill_simple_delay_slots): Remove unused variable `j'.
3682 (fill_slots_from_thread): Add parentheses around assignment used
3684 (dbr_schedule): Likewise.
3686 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
3687 (objc.stage2, objc.stage3, objc.stage4): Likewise.
3689 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
3691 * cse.c (simplify_ternary_operation): Don't try to simplify
3692 IF_THEN_ELSE expressions (created by combine) that don't use
3693 relational operators.
3695 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
3697 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
3700 * crtstuff.c (init_dummy): Keep the epilogue in the init
3701 section for non-ELF systems.
3703 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3705 * sh.md (movqi_i+1): New peephole.
3707 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
3709 * Makefile.in: Remove remaining bytecode stuff.
3710 * emit-rtl.c, expr.c: Likewise.
3712 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
3714 * toplev.c (lang_options): Add unknown-pragma options.
3716 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
3718 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
3719 special (and incomplete) handling for Chill arrays.
3721 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
3723 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
3726 Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com)
3728 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
3730 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
3732 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
3733 .frame directive instead of FRAME_POINTER_REGNUM.
3735 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
3737 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
3738 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
3739 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
3740 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
3741 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
3742 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
3743 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
3744 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
3746 * longlong.h: Replace __mc68332__ with __mcpu32__.
3748 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
3750 * version.c: Bump for snapshot.
3752 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
3754 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
3755 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
3756 * reload1.c (eliminate_regs): Likewise.
3758 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
3760 * regmove.c (find_matches): Initialize matches->earlyclobber too.
3762 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
3764 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
3765 (negsf2, negdf2): Use proper subtract in IEEE mode.
3767 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
3769 * Makefile.in: Remove more bytecode stuff.
3770 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
3771 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
3772 * f/install.texi, objc/Make-lang.in: Likewise.
3774 * Makefile.in: Remove all bytecode support.
3775 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
3776 * emit-rtl.c: Remove all bytecode support.
3777 * expr.c, expr.h function.c, integrate.c: Likewise.
3778 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
3779 * tree.h, varasm.c: Likewise.
3780 * config/m68k/m68k.h: Likewise.
3781 * bi-*, bc-*, bytecode*: Delete bytecode related files.
3782 * modemap.def: Likewise.
3784 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
3786 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
3787 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
3789 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
3791 * i386.md (push): Prohibit symbolic constants if flag_pic.
3792 (movsi+1): Likewise for move to non-register.
3794 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
3796 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
3797 (print_operand): Handle 0xffffffff on 32 bit host.
3799 * configure.in (thread_file): Rename uses before main loop to
3800 target_thread_file. Initialize to empty in main loop. Set thread_file
3801 to target_thread_file after main loop if not set.
3802 * configure: Rebuild.
3804 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
3805 (add_values_to_cover): Revert last change (which had no ChangeLog
3807 (simplify_with_current_value_aux): Handle CONST_INT.
3809 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3811 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
3813 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
3815 * configure.in: Add cpp stringify test.
3816 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
3817 * gengenrtl.c: Use it.
3818 * configure, config.in: Rebuild.
3820 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3822 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
3824 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
3826 * configure.in: Find declaration for sbrk.
3827 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
3828 * config.in, configure: Rebuild.
3829 * mips-tfile.c: Properly protect declaration of sbrk and free.
3830 * toplev.c: Properly protect declaration of sbrk.
3832 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
3834 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
3836 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
3838 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
3840 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
3842 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
3844 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
3846 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
3847 constant offset computations from objects with known alignment in
3848 the presence of STACK_BIAS.
3850 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
3852 (const_hash): Hash val is unsigned long.
3853 (SYMHASH): Likewise.
3855 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
3857 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
3858 char pointer, not HOST_WIDE_INT.
3859 (print_node): Likewise. Also hash is unsigned long not
3862 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
3864 * explow.c (optimize_save_area_alloca): New function for targets
3865 where SETJMP_VIA_SAVE_AREA is true.
3866 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
3867 compute the amount of stack space needed should we find later that
3868 setjmp is never called by this function, stuff rtl for this inside
3869 a REG_NOTE of the final SET of stack_pointer_rtx.
3870 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
3871 current_function_calls_alloca, call optimize_save_area_alloca.
3873 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
3875 * i386.md: Remove redundant integer push patterns.
3876 Don't bother checking for TARGET_PUSH_MEMORY when
3877 pushing constants or registers.
3879 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
3880 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
3882 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
3883 (pwait): New function for mingw32.
3885 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
3886 pipe support is broken for now.
3888 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
3890 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
3891 between frame_pointer_rtx, hard_frame_pointer_rtx, and
3892 arg_pointer_rtx is respected in initialization.
3893 (init_emit_once): Use gen_rtx_raw_REG() to create
3894 return_address_pointer_rtx.
3896 * reorg.c: #include "expr.h" for rtx prototypes.
3897 * Makefile.in (reorg.o): Depend on expr.h
3899 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
3901 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
3902 local_prefix to sub-make invocations.
3904 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
3906 * objc-parse.c: Recognize protocol qualifiers in class definitions.
3908 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
3912 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
3913 * configure.in: Check for atol.
3914 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
3916 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
3918 * loop.c (find_and_verify_loops): When attempting to move insns from
3919 inside the loop outside the loop, create a BARRIER if no suitable
3922 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
3923 favor of an equivalent change from gcc-2.8.
3925 * i386/x-sco5 (CC): Remove trailing whitespace.
3927 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3929 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
3930 (accessor_from_format): Likewise.
3931 (xmalloc): New function for use when linking with alloca.o.
3933 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
3935 * frame.c (find_fde): Correct FDE's upper bound.
3937 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
3939 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
3941 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
3943 * calls.c (expand_call): Move #ifdef code out of macro argument
3945 (emit_library_call, emit_library_call_value): Likewise.
3947 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
3949 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
3951 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
3953 * version.c: Bump for snapshot.
3955 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
3957 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
3958 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
3959 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
3960 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
3961 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
3962 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
3963 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
3964 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
3965 * unroll.c, varasm.c: Likewise.
3966 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
3968 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
3970 * mips.h: Fix some type-o's from a previous change.
3972 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
3974 * loop.c (check_dbra_loop): Make sure initial value is a
3975 CONST_INT before trying to normalize it.
3977 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
3979 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
3981 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
3983 * cppexp.c: Include gansidecl.h
3985 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
3987 * svr4.h (LINK_SPEC): Never specify -h.
3988 * ptx4.h (LINK_SPEC): Likewise.
3989 * rs6000/sysv4.h (LINK_SPEC): Likewise.
3990 * sparc/sol2.h (LINK_SPEC): Likewise.
3992 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
3994 * c-typeck.c (comptypes): Exit early on NULL input.
3996 * haifa-sched.c (schedule_insns): Correctly remove inter-block
3997 dependencies after reload.
3999 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
4001 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
4003 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
4005 * alpha/vms.h (DIR_SEPARATOR): define
4007 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
4009 * Makefile.in (stamp-proto): Remove.
4010 (protoize.o, unprotoize.o): Straightforward compile.
4011 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
4013 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
4015 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
4016 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
4018 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
4020 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
4021 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
4022 * sparc/netbsd.h, vax/netbsd.h: Likewise.
4024 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
4026 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
4028 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
4030 * configure.in (target_cpu_default, target_cpu_default2): Use double
4031 quotes around them when testing their value.
4032 * configure: Rebuilt.
4034 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
4036 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
4038 (gendef): Call obstack_alloc_rtx.
4040 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
4042 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
4045 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
4047 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
4048 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
4049 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
4051 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
4053 * mips.md (return_internal): Change mode from SImode to VOIDmode.
4055 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
4057 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
4060 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
4062 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
4063 suffix from operand 3.
4065 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4066 Jeffrey A Law (law@cygnus.com)
4068 * regmove.c: New implementation of regmove pass.
4069 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
4070 decls, make them have external linkage. Return a value from
4071 optimize_reg_copy_1.
4072 * reload.h (count_occurrences): Add decl.
4073 * reload1.c (count_occurrences): Delete decl, make it have external
4075 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
4077 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
4079 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
4080 if it is not defined.
4082 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
4084 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
4085 * emit-rtl.c (gen_rtx): Move special code to ...
4086 (gen_rtx_CONST_INT): New function.
4087 (gen_rtx_REG): New function.
4088 (*): Update all calls to gen_rtx.
4089 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
4090 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
4091 (GEN_INT): Call gen_rtx_CONST_INT.
4092 * gengenrtl.c: New file.
4094 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
4096 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
4097 (base_alias_check): If no base found for address call canon_rtx and
4100 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
4102 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
4103 arguments for mips16.
4104 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
4105 Don't lose if tsize is zero after handling large stack for mips16.
4106 * mips.md (return): For trivial return, return address is in $31.
4108 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
4110 * mips/mips16.S: Various changes to make it work with -msingle-float
4113 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
4114 Ian Lance Taylor <ian@cygnus.com>
4115 Jeff Law <law@cygnus.com>
4117 * mips.c, mips.h, mips.md: First cut at merging in mips16
4118 support. Major modifications throughout all three files.
4120 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
4122 * configure.in: Make gthr-default.h a forwarding header instead of
4125 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4127 * gcov-io.h: Include sys/types.h to ensure we get size_t.
4129 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
4131 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
4132 Jeffrey A Law (law@cygnus.com)
4134 * crtstuff.c (__frame_dummy): New function for irix6.
4135 (__do_global_ctors): Call __frame_dummy for irix6.
4136 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
4138 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
4140 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
4142 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
4144 * c-decl.c (init_decl_processing): Provide proper fallback symbol
4145 for __builtin_memset.
4146 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
4147 not INTEGER_CST. Assert arg 3 is a constant.
4149 * alpha.c (mode_width_operand): Accept 64-bit modes.
4150 (mode_mask_operand): Likewise.
4151 (print_operand): Likewise for 'M' and 'U' codes.
4152 (alpha_expand_unaligned_load): New function.
4153 (alpha_expand_unaligned_store): Likewise.
4154 (alpha_expand_unaligned_load_words): Likewise.
4155 (alpha_expand_unaligned_store_words): Likewise.
4156 (alpha_expand_block_move): Likewise.
4157 (alpha_expand_block_clear): Likewise.
4158 * alpha.h (MOVE_RATIO): New define.
4159 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
4160 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
4162 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
4163 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
4165 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
4167 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
4168 * configure: Update.
4170 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
4172 * emit-rtl.c (operand_subword): Correctly handle extracting a word
4173 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
4175 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
4178 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
4180 * configure.in: Set and subsitute host_exeext. Use it when creating
4181 the assembler and linker symlinks.
4182 * configure: Rebuild.
4183 * Makefile.in (exeext): Set to @host_exeext@.
4184 (build_exeext): New variable, set to @build_exeext@.
4185 (FLAGS_TO_PASS): Pass down build_exeext.
4186 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
4189 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
4191 * mn10200.md (addsi3, subsi3): Fix thinkos.
4193 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
4195 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
4196 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
4197 unix always, since we want to be able to thunk to functions in a
4198 shared library from an application.
4200 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
4202 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
4203 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
4205 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
4207 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
4208 offset's mode is not ptr_mode, convert it.
4210 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
4212 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
4213 compiling if it was already defined.
4215 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
4217 * flow.c (find_basic_blocks): Don't create a new basic block
4218 for calls in a LIBCALL block.
4220 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
4222 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
4224 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
4226 * cse.c (rtx_cost): Remove conflicting default case.
4228 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
4230 * configure.in: Move default enabling of Haifa out of for loop.
4231 * configure: Rebuild.
4233 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
4235 * version.c: Bump for snapshot.
4237 1997-12-25 Teemu Torma <tot@trema.com>
4239 * Makefile.in (GTHREAD_FLAGS): New var.
4240 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
4241 (distclean): Remove gthr-default.h.
4243 * configure.in: Accept dce as a thread package.
4244 Check for thread.h and pthread.h.
4245 Link gthr-default.h to appropriate thread file and set
4247 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
4248 include multilib definitions from pa/t-dce-thr.
4249 (sparc-*-solaris2*): Enable threads by default, if thread.h or
4250 pthread.h is found, preferring posix threads over solaris ones.
4252 * config/pa/t-dce-thr: New file.
4253 * config/pa/t-pa: Removed multilibs.
4254 * config/sparc/t-sol2: Ditto.
4257 * gthr-single.h: New file.
4258 * gthr-posix.h: New file.
4259 * gthr-solaris.h: New file.
4260 * gthr-dce.h: New file.
4261 * libgcc-thr.h: Removed.
4262 * objc/thr-dce.c: New file copied from thr-decosf1.c.
4264 * frame.c: Include gthr.h instead of libgcc-thr.h.
4265 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
4266 (eh_context_initialize): If __gthread_once fails, use static eh
4268 (eh_context_free): Call __gthread_key_dtor.
4270 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
4272 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
4274 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
4276 * cse.c (max_insn_uid): New variable.
4277 (cse_around_loop): Use max_insn_uid.
4278 (cse_main): Set max_insn_uid.
4280 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
4281 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
4282 -mlong64, and -mgp{32,64} options.
4283 * mips.c (mips_abi): Change type to int.
4284 * mips.h (enum mips_abi_type): Delete.
4285 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
4286 (mips_abi): Change type to int.
4288 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
4290 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
4291 optimization is now always enabled.
4293 * calls.c (expand_call): Recognize C++ operator new as malloc-like
4296 * alias.c (memrefs_conflict_p): Eliminate tests now done by
4298 (*_dependence): Call canon_rtx before base_alias_check.
4299 (init_alias_once): New function to precompute set of registers which
4300 can hold Pmode function arguments.
4302 * rtl.h: Declare init_alias_once.
4304 * toplev.c (compile_file): Call init_alias_once.
4306 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
4308 * tree.c (restore_tree_status): Do not dereference a null pointer.
4310 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
4312 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
4313 RLIMIT_STACK. This maintains consistency with the recent, similar
4314 patch to cccp.c and toplev.c.
4316 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
4318 * genattrtab.c (expand_units): For large nr opclasses, expand
4319 function_units_used with ORX to prevent blowups. Tag with FFS.
4320 (num_unit_opclasses): New variable.
4321 (gen_unit): Update it.
4322 (enum operator): Add ORX_OP.
4323 (operate_exp): Treat ORX as or, except don't expand across an if.
4324 Reuse number rtx's after operating on them.
4325 (check_attr_value): Accept IOR, AND, & FFS.
4326 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
4327 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
4328 (write_expr_attr_cache, write_toplevel_expr): New functions.
4329 (write_attr_get): Handle FFS-tagged expressions.
4330 (make_canonical): Don't expand const attributes.
4331 (convert_const_symbol_ref): Dike out.
4332 (evaluate_eq_attr): Handle SYMBOL_REF.
4333 (main): Don't emit get_attr_foo for const attributes.
4335 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
4336 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
4337 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
4338 * alpha.md: Redo all of the scheduling, adding EV6 support, and
4339 combining function units where possible.
4340 (attr "type"): Split loads, stores, cmov into int/fp. Combine
4341 multiplies and divides. Add EV6 sqrt, ftoi, itof.
4342 (attr "opsize"): New attribute.
4343 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
4344 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
4345 to control register allocation.
4346 (movsi2-1, movdi2-1): Likewise.
4348 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
4350 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
4351 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
4352 Move OSF/1 specific defines out.
4353 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
4354 Move Linux specific defines out.
4355 (LINK_SPEC): Genericize.
4356 (ASM_FILE_START): Emit .arch if using more than the base insn set.
4357 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
4358 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
4359 (HANDLE_SYSV_PRAGMA): Define.
4360 * alpha/osf.h: New file.
4361 * alpha/linux.h: Split. Retain file-format independant defines.
4362 Import Linux bits from elf.h.
4363 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
4364 (FUNCTION_PROFILER): _mcount takes its address in $28.
4365 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
4366 * alpha/linux-ecoff.h: New file.
4367 * alpha/linux-elf.h: New file.
4368 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
4369 * alpha/win-nt.h (TARGET_DEFAULT): Define.
4370 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
4371 Add new headers as appropriate.
4373 * configure.in (alpha*): Enable Haifa by default.
4374 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
4375 * configure: Rebuild.
4377 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
4379 * Makefile.in (clean): Remove the stages with their objects here ...
4380 (distclean): ... instead of here.
4382 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4384 * cse.c (rtx_cost): Add default case in enumeration switch.
4385 * fix-header.c (recognized_macro): Likewise.
4386 (recognized_extern): Likewise.
4387 (write_rbrac): Likewise.
4388 * objc/objc-act.c (encode_aggregate): Likewise.
4389 (gen_declarator): Likewise.
4390 (gen_declspecs): Likewise.
4392 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
4394 * haifa-sched.c (create_reg_dead_note): Detect and handle another
4395 case where we kill more regs after sched than were killed before
4397 * sched.c (create_reg_dead_note): Similarly.
4399 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
4401 * c-pragma.c: Include flags.h.
4403 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
4405 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
4406 about system headers.
4407 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
4408 and also to resolve symbols in prefix.c.
4410 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
4411 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
4412 when the definitions in auto-config.h is not visible.
4413 (HAVE_BZERO): Likewise.
4414 (HAVE_BCMP): Likewise.
4415 (HAVE_RINDEX): Likewise.
4416 (HAVE_INDEX): Likewise.
4418 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
4420 * pa.c (emit_move_sequence): Handle a function label source
4423 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
4425 * c-pragma.c (handle_pragma_token): Generate warning messages
4426 about unknown pragmas if warn_unknown_pragmas is set.
4428 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
4429 line option to set variable: warn_unknown_pragmas.
4431 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
4433 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
4435 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
4437 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
4439 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
4440 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
4441 generate more fine grained floating point emulation libraries.
4442 * config/fp-bit.c: Add protecting #ifdef to all functions so
4443 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
4444 then compile all suitable functions.
4445 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
4446 underscores to avoid namespace pollution.
4447 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
4449 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
4453 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4454 Jeff Law <law@cygnus.com>
4456 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
4458 * c-decl.c (finish_decl): Use parentheses around && within ||.
4459 * rtl.c: Include stdlib.h.
4460 (read_skip_spaces): Add parentheses around assignments used as
4462 (read_rtx): Initialize list_rtx.
4463 * cppexp.c (parse_number): Use || when operands are truth values.
4464 * alias.c (find_base_value): Add default case.
4465 (memrefs_conflict): Likewise.
4466 * combine.c (sets_function_arg_p): Likewise.
4467 * genemit.c (gen_exp): Likewise.
4468 * local-alloc.c (contains_replace_regs): Likewise.
4469 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
4470 * fold-const.c (fold_convert): Use "&&" for truth values.
4471 (fold): Add default case.
4472 * sdbout.c (sdbout_field_types): Fix typo in declaration.
4473 (sdbout_one_type): Add default case.
4474 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
4475 (some_operand): Add default case.
4476 (input_operand): Likewise.
4477 (signed_comparison_operator): Likewise.
4478 (divmod_operator): Likewise.
4479 (alpha_set_memflags_1): Likewise.
4480 * reload1.c (reload_cse_simplify_operands): Ensure function
4481 always returns a value.
4482 * scan-decls.c (scan_decls): Likewise.
4483 * c-lex.c (skip_white_space): Fix typo in declaraion.
4484 * c-typeck.c (comp_target_types): Add parentheses around assignment
4485 used as truth value.
4486 (print_spelling): Likewise.
4487 (constructor_implicit, constructor_result): Remove unused variables.
4488 * collect2.c (scan_library): Protect prototype with
4489 #ifdef SCAN_LIBRARIES.
4490 * emit-rtl.c (find_line_note): Fix typo in declaration.
4491 * final.c (asm_insn_count): Protect prototype with
4492 #ifdef HAVE_ATTR_length.
4493 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
4494 (try_pre_increment_1, try_pre_increment): Likewise.
4495 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
4496 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
4497 * gcov-io.h (__store_long, __write_long, __read_long): Fix
4498 unsigned/signed comparisons.
4499 * gcov.c (read_files): Remove unused "first_type" variable.
4500 (scan _for_source_files): Initialize s_ptr.
4501 (function_summary): Eliminate "%lf" formatting, use %ld for
4503 (output_data): Initialize branch_probs and last_line_num.
4504 Eliminate "%lf" formatting, use "%ld" for longs.
4506 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
4508 * mips16.S: New file.
4510 * libgcc2.c (varargs): Handle mips16.
4512 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
4514 * stmt.c (expand_end_case): Likewise.
4515 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
4516 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
4517 * rs6000.h, sh.h, tahoe.h, v850.h, vax.h: Likewise.
4519 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4521 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
4522 the build directory.
4523 (libobjc.a): Update dependency list.
4524 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
4526 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
4527 (objc.mostlyclean): Remove runtime-info.h.
4529 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
4531 * tree.c (build_range_type): Allow creation of ranges with no maximum.
4532 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
4533 * dwarf2out.c (add_subscript_info): Likewise.
4534 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
4535 * sdbout.c (plain_type_1): Likewise.
4536 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
4538 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
4541 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4543 * mips.c (fatal): Remove declaration.
4545 1997-12-18 Mark Mitchell <mmitchell@usa.net>
4547 * integrate.c (get_label_from_map): New function.
4548 (expand_inline_function): Use it. Initialize the label_map to
4549 NULL_RTX instead of gen_label_rtx.
4550 (copy_rtx_and_substitute): Use get_label_from_map.
4551 * integrate.h (get_label_from_map): New function.
4552 (set_label_from_map): New macro.
4553 * unroll.c (unroll_loop): Use them.
4554 (copy_loop_body): Ditto.
4556 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
4558 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
4559 (INIT_TARGET_OPTABS): Define.
4560 * mips/ecoff.h: Include gofast.h before mips.h.
4561 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
4562 * mips/elf64.h: Likewise.
4563 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
4565 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
4567 * except.c: Remove register_exception_table{,_p}.
4569 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
4571 * unroll.c (calculate_giv_inc): Handle constant increment found in
4572 a MEM with an appropriate REG_EQUAL note.
4574 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
4576 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
4577 frame pointer in the prologue.
4579 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
4581 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
4582 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
4584 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
4586 * config/m68k/m68k.c (output_function_prologue): Typecast
4587 dwarf2out_cfi_label to (char *).
4588 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
4590 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
4592 * sparc.md (jump): Don't use the annul bit around an empty loop.
4593 Patch from Kevin.Kelly@East.Sun.COM.
4595 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
4597 * jump.c: (jump_optimize): Don't use the return register as a
4598 source1 of a conditional move.
4600 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
4602 * sparc.c (DF_MODES): Or the mask not the bit number.
4603 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
4605 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
4607 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
4609 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
4611 * fixincludes (size_t): Add support for Motorola's stdlib.h
4612 which fails to provide a definition for size_t.
4613 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
4614 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
4615 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
4617 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
4618 prevent unresolved externals in libio.
4619 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
4621 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
4623 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
4624 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
4625 (LIB_SPEC): Updated for glibc 2.
4627 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
4629 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
4630 * ginclude/varargs.h: Likewise.
4632 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
4634 * version.c: Bump for snapshot.
4636 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
4638 * frame.h (__register_frame, __register_frame_table,
4639 __deregister_frame): New.
4640 * frame.c (__register_frame, __register_frame_table,
4641 __deregister_frame): New.
4642 * frame.c (__deregister_frame_info): Return void *.
4643 * frame.h (__deregister_frame_info): Ditto.
4644 * collect2.c (__deregister_frame_info): Ditto.
4646 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
4648 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
4650 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
4652 * alpha.c (alpha_cpu_name): New variable.
4653 (alpha_mlat_string): Likewise.
4654 (alpha_memory_latency): Likewise.
4655 (override_options): Handle -mmemory-latency.
4656 (alpha_adjust_cost): Adjust load cost for latency.
4657 * alpha.h (TARGET_OPTIONS): Add meory-latency.
4658 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
4659 TARGET_CIX into account.
4660 (MEMORY_MOVE_COST): Define in terms of memory_latency.
4661 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
4663 * alpha.h (ASM_COMMENT_START): New macro.
4665 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
4667 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
4668 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
4670 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
4671 SUBREG_REG if the word count is unchanged.
4672 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
4673 subregs of identical word size for push_reload.
4675 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
4677 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
4678 if all we're doing is dealing with -Wreturn-type.
4680 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
4682 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
4683 Use and 255 instead of zapnot 1, since it schedules better.
4685 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
4687 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
4690 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
4692 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
4693 dependency we delete. Properly update prev for multiple consecutive
4695 (priority): Skip deleted dependence.
4697 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
4699 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
4701 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
4703 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
4704 determining when a new basic block starts.
4706 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
4708 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
4709 * pa.md (iorsi3): Add missing args to *_operand calls.
4711 * except.c (call_get_eh_context): Don't mess with sequences.
4712 (emit_eh_context): Include the call in the sequence here.
4714 1997-12-11 Paul Eggert <eggert@twinsun.com>
4716 * collect2.c (write_c_file_glob): Allocate initial frame object
4717 in static storage and pass its address.
4719 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
4721 * except.c (call_get_eh_context): Don't take a parm.
4722 Put the call at the top of the function.
4723 (emit_eh_context): Adjust.
4724 (get_eh_context): Replace with former use_eh_context.
4725 (get_eh_context_once, get_saved_pc_ref): Remove.
4726 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
4728 * integrate.c (expand_inline_function): Adjust.
4729 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
4731 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
4733 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
4734 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
4736 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
4738 * fixincludes (strlen,strspn,strcspn return value): Handle different
4740 (hypot): Provide a fake for hypot which is broken on
4741 m88k-motorola-sysv3.
4743 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
4745 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
4746 tree_code_name from pointers to arrays.
4747 * tree.c: Remove standard_tree_code_* variables, no longer used.
4748 * print-tree.c: Remove declaration of tree_code_name.
4750 * cp/lex.c (init_lex): Update for tree_code_* changes.
4751 * objc/objc-act.c (init_objc): Likewise.
4753 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
4756 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
4758 * config.sub: Add support for BeOS target.
4759 * configure.in: Likewise.
4760 * ginclude/stdarg.h: Likewise.
4761 * ginclude/stddef.h: Likewise.
4762 * ginclude/varargs.h: Likewise.
4763 * rs6000/beos.h: New file for BeOS.
4764 * rs6000/t-beos: Likewise.
4765 * rs6000/x-beos: Likewise.
4766 * rs6000/xm-beos.h: Likewise.
4767 * toplev.c (get_run_time): Just return 0 on BeOS.
4769 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
4770 Toon Moene (toon@moene.indiv.nluug.nl)
4772 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
4773 old and broken Sun3 assemblers. Newer versions handle large
4774 offsets correctly as does the GNU assembler.
4776 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4778 * objc/objc-act.c (lang_report_error_function): Disable.
4779 * objc/objc-parse.y: Include "output.h".
4780 (yyerror): Remove redundant decl.
4781 (yyprint): Fix prototype.
4782 (apply_args_register_offset): Remove redundant decl.
4783 (get_file_function_name): Likewise.
4785 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
4787 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
4789 (find_basic_blocks_1): Likewise.
4791 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
4793 * except.c (use_eh_context): Don't copy_rtx a REG.
4794 (emit_throw): Lose old unwinder support.
4795 (expand_internal_throw): Likewise.
4796 * libgcc2.c (struct eh_context): Likewise.
4797 (new_eh_context): Likewise.
4798 (__get_eh_info): Lose redundant cast.
4799 (__get_dynamic_handler_chain): Likewise.
4800 (__get_saved_pc): Lose.
4801 Lose all old unwinder support code.
4803 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
4805 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
4807 * integrate.c (expand_inline_function): If the inline fn uses eh
4808 context, make sure that the current fn has one.
4809 * toplev.c (rest_of_compilation): Call emit_eh_context.
4810 * except.c (use_eh_context): New fn.
4811 (get_eh_context_once): New fn.
4812 (call_get_eh_context): New fn.
4813 (emit_eh_context): New fn.
4814 (get_eh_context): Call either get_eh_context_once or
4815 call_get_eh_context, depending on what we have.
4816 (get_dynamic_handler_chain): Call get_eh_context_once.
4817 * except.h: Prototypes for fns above.
4818 * optabs.c (get_eh_context_libfunc): Removed.
4819 (init_optabs): Don't initialize it.
4820 * expr.h (get_eh_context_libfunc): Removed.
4821 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
4822 * config/pa/pa.h (CPP_SPEC): Support for -threads.
4823 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
4824 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
4825 New multilib for -threads.
4826 * config/sparc/t-sol2: Added multilibs for -threads and
4827 made -pthreads alias to it.
4828 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
4829 Added -threads and -pthreads options.
4830 * libgcc-thr.h: New file.
4831 * libgcc2.c: (__get_cpp_eh_context): Removed.
4832 (struct cpp_eh_context): Removed.
4833 (struct eh_context): Replaced cpp_eh_context with generic language
4835 (__get_eh_info): New function.
4836 (__throw): Check eh_context::info.
4838 * libgcc2.c: Include libgcc-thr.h.
4839 (new_eh_context, __get_eh_context,
4840 eh_pthread_initialize, eh_context_initialize, eh_context_static,
4841 eh_context_specific, eh_context_free): New functions.
4842 (get_eh_context, eh_context_key): New variables.
4843 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
4844 get_eh_context to get the context.
4845 (longjmp): Move the declaration inside
4846 #ifdef DONT_USE_BUILTIN_SETJMP.
4847 * frame.c: Include libgcc-thr.h.
4848 (object_mutex): Mutex to protect the object list.
4849 (find_fde, __register_frame, __register_frame_table,
4850 __deregister_frame): Hold the lock while accessing objects.
4851 * except.h (get_eh_context): Declare.
4852 * except.c (current_function_ehc): Define.
4853 (current_function_dhc, current_function_dcc): Removed.
4854 (get_eh_context): New function.
4855 (get_dynamic_handler_chain): Use get_eh_context.
4856 (get_saved_pc_ref): Ditto.
4857 (get_dynamic_cleanup_chain): Removed references to
4858 current_function_dcc.
4859 (save_eh_status, restore_eh_status): Save and restore
4860 current_function_ehc instead.
4861 * optabs.c (get_eh_context_libfunc): New variable.
4862 (init_optabs): Initialize it.
4863 * expr.h: Declare get_eh_context_libfunc.
4864 * function.h (struct function): Replaced dhc and dcc with ehc.
4865 * except.c (get_saved_pc_ref): New functions.
4866 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
4867 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
4869 (end_eh_unwinder): Likewise.
4870 (init_eh): Remove initialization of eh_saved_pc.
4871 * optabs.c (get_saved_pc_libfunc): New variable.
4872 (init_optabs): Initialize it.
4873 * expr.h: Declare get_saved_pc_libfunc.
4874 * except.h (eh_saved_pc_rtx): Deleted.
4875 (get_saved_pc_ref): Declared.
4877 From Scott Snyder <snyder@d0sgif.fnal.gov>:
4878 * libgcc2.c (__get_saved_pc): New.
4879 (__eh_type, __eh_pc): Deleted.
4880 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
4881 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
4884 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
4886 * sparc/sol2.h: Use 64 bit multiply and divide functions in
4887 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
4890 * rtl.h (global_rtl): New variable, replacing separate variables for
4892 (const_int_rtx): Now array of rtx_def, not rtx.
4893 * emit-rtl.c: Update for new rtl data structures.
4894 * genattrtab.c: Define global_rtl.
4896 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
4898 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
4901 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
4903 * crtstuff.c (__do_global_ctors): Fix typo.
4905 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
4907 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
4908 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
4910 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
4912 * rs6000.h (FUNCTION_ARG_PADDING): Define.
4913 * rs6000.c (function_arg_padding): New function.
4915 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
4917 * m68k.c: Include tree.h only once.
4919 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4921 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
4923 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
4925 * Partially cleaned up prototyping code from HJ.
4926 * tree.h: Add many prototypes.
4927 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
4928 All references changed.
4929 * rtl.h: Protect from multiple inclusions. Add many prototypes.
4931 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
4933 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
4934 string functions like strlen.
4936 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
4938 * configure.in: Check for functions getrlimit and setrlimit.
4939 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
4940 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
4942 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
4944 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
4946 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
4948 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
4951 * alpha.c (override_options): Don't know about scheduling for EV6.
4952 * alpha.md (ev5 function units): Don't overload as ev6.
4954 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
4955 * alpha.md (define_attr type): Add mvi.
4956 (ev5_e0): Define sceduling parameters for it.
4957 (TARGET_MAX insns): Type is mvi not shift.
4959 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
4961 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
4963 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4965 * cstamp-h, auto-config.h: Delete.
4967 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
4969 * version.c: Bump for snapshot.
4971 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
4973 * cccp.c: Fix typo brought over in merge.
4975 * Merge in changes from gcc-2.8.
4977 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
4979 * m68k.c: Include tree.h for dwarf2out_cfi_label.
4981 * gcc.c (process_command): Do not take address of function fatal when
4982 calling lang_specific_driver.
4984 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
4986 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
4987 doesn't work with it yet, so set it to 0.
4988 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
4990 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
4992 * cse.c (cse_insn): Check for invalid entries when taking references.
4994 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4996 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
4997 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
4998 * toplev.c (rest_of_compilation): Pass it. Remove code to
4999 save / clear / restore flag_unroll_{,all_}loops.
5001 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
5003 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
5005 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
5007 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
5009 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
5011 * except.c (get_dynamic_handler_chain): Only make the call once per
5014 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
5016 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5018 * sh.c (final_prescan_insn): Use local label prefix
5019 when emitting .uses pseudo-ops.
5021 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
5023 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
5024 * except.c: Lose outer_context_label_stack.
5025 (expand_eh_region_end): Rethrow from outer_context here.
5026 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
5027 (expand_internal_throw): Take no args.
5028 (expand_internal_throw_indirect): Lose.
5029 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
5030 (expand_start_all_catch): Start a rethrow region.
5031 (expand_end_all_catch): End it.
5032 (expand_rethrow): New fn.
5033 * except.h: Reflect above changes.
5034 * flow.c: Revert change of Nov 27.
5036 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
5038 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
5040 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
5042 * except.c (expand_fixup_region_end): New fn.
5043 (expand_fixup_region_start): Likewise.
5044 (expand_eh_region_start_tree): Store cleanup into finalization here.
5045 * stmt.c (expand_cleanups): Use them to protect fixups.
5047 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
5049 * mips/mips.md (muldi3_r4000): Broaden the output template
5050 and attribute assignments to handle three operand dmult;
5051 rename to muldi3_internal2.
5052 (muldi3): Call the new muldi3_internal2 for R4000, and
5053 any GENERATE_MULT3 chip.
5055 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
5057 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
5059 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
5061 * unroll.c (find_splittable_givs): Remove last change. Handle givs
5062 with a dest_reg that was created by loop.
5064 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
5066 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
5068 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
5070 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
5072 * configure.in: Fix NCR entries.
5074 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
5076 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
5077 nested exceptions correctly.
5079 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
5080 that was created by loop.
5082 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
5084 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
5086 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
5088 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
5090 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
5091 (print_operand): Use SMALL_DATA_REG for the register involved in
5092 small data relocations.
5093 (print_operand_address): Ditto.
5095 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
5096 -dynamic linker is not used.
5098 * rs6000.md (call insns): For local calls, use @local suffix under
5099 System V. Don't use @plt under Solaris.
5101 * rs6000.c (output_function_profiler): Put label address in r0, and
5102 store LR in 4(sp) for System V/eabi.
5104 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
5105 byte boundary, and maintain stack backchain.
5107 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
5109 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
5110 fix_truncsfdi2): Change *.
5112 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
5114 * toplev.c (main): Complain about -gdwarfn.
5116 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
5118 * dwarfout.c (output_type): If finalizing, write out nested types
5119 of types we've already written.
5121 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
5123 (patches originally from Geoffrey Keating)
5124 * rs6000.c (function_arg): Excess floating point arguments don't
5125 go into GPR registers after exhausting FP registers under the
5127 (function_arg_partial_nregs): Ditto.
5129 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
5132 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
5134 * integrate.c (output_inline_function): Just unset DECL_INLINE.
5136 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
5138 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
5141 * libgcc2.c (__throw): Initialize HANDLER.
5143 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
5145 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
5146 fix_truncsfdi2): Change *X to ?*X.
5148 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
5150 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
5152 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
5154 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
5156 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
5158 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
5160 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
5162 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
5163 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
5166 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
5168 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
5169 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
5170 gas and not using the new HP assembler.
5172 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
5174 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
5175 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
5177 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
5179 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
5180 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
5183 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
5185 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
5187 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
5189 * except.h: Add outer_context_label_stack.
5190 * except.c: Likewise.
5191 (expand_start_all_catch): Push the outer_context for the try block
5192 onto outer_context_label_stack.
5193 (expand_end_all_catch): Use it and pop it.
5195 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
5197 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
5199 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
5201 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
5203 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
5205 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
5206 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
5208 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
5210 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
5211 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
5212 __builtin_delete, and __builtin_vec_delete.
5214 * except.c (output_exception_table): Don't bother with
5217 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
5219 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
5220 is an in/out operand.
5221 (zero extended variants of stwm/stwm patterns): Similarly.
5223 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
5225 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
5227 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
5229 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
5230 (output_call_frame_info): Emit a \n after using it.
5232 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
5234 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
5236 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
5238 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
5239 (ASM_OUTPUT_DWARF_VALUE4): New macro.
5240 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
5242 (output_call_frame_info): Do not output forward label differences
5243 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
5244 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
5246 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5248 * sh.md (attribute "type"): Add nil.
5249 (movsi_ie): y/y alternative is type nil.
5250 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
5252 (movsf_ie+1): Delete.
5254 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
5256 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
5257 large_int, emit two insns instead of one splitable insn.
5258 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
5259 from cfa_temp_value, use cfa_offset. Add assert checking that
5262 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
5264 * cccp.c (deps_output): Properly quote file names for make.
5266 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
5268 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
5270 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
5272 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
5274 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
5276 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
5278 (cse_end_of_basic_block): Similarly.
5280 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
5282 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
5283 (SELECT_RTX_SECTION): Define.
5284 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
5286 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
5288 * Makefile.in (compare, compare-lean): Define $stage for each
5290 (gnucompare, gnucompare-lean): Likewise.
5292 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
5294 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
5296 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
5297 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
5299 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
5301 * dwarfout.c (byte_size_attribute): Add local var upper_bound
5302 and add case to handle STRING_TYPE.
5303 * dwarfout.c (output_string_type_die): Fix code to generate
5304 correct string length attribute for fixed length strings.
5305 Still needs support for varying length strings.
5307 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
5309 * toplev.c (get_run_time): Do something sensible for cygwin32.
5311 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
5313 * expr.c (expand_builtin_setjmp): Set
5314 current_function_has_nonlocal_label.
5315 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
5316 call-saved registers across calls.
5318 * alpha.md (exception_receiver): Remove.
5319 (nonlocal_goto_receiver_osf): New
5320 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
5321 (nonlocal_goto_receiver): New, select _osf or _vms.
5323 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
5324 keep them from being propogated to the object file.
5325 (alpha_write_linkage): Likewise.
5326 * alpha.md (call_vms): Likewise.
5327 (call_value_vms): Likewise.
5328 (unnamed osf call insns): Likewise.
5330 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
5331 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
5333 * alpha.c (call_operand): Any reg is valid for WinNT.
5334 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
5335 (anon nt calls): Add 'R' alternative.
5336 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
5337 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
5339 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
5341 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
5343 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
5344 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
5345 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
5347 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
5349 * reload1.c (new_spill_reg): Improve fixed or forbidden register
5350 spill error message.
5352 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5354 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
5355 use varargs.h. Wrap header with <>, not "".
5357 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
5359 * integrate.c (save_for_inline_copying): Add return value from
5362 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
5364 * fixincludes: Be a little more restrictive on what we will
5365 substitute to replace definitions of MAXINT for HPUX.
5367 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
5369 * dbxout.c (dbxout_symbol_location): Don't assume that variables
5370 whose address is the stack or argument pointers are indirect
5373 1997-11-13 Paul Eggert <eggert@twinsun.com>
5375 * cccp.c, cpplib.c (compare_defs):
5376 Don't complain about arg name respellings unless pedantic.
5377 * cpplib.c (compare_defs): Accept pfile as new arg.
5378 All callers changed.
5380 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5382 * fold-const.c (fold_truthop): Fix bug in last change.
5384 1997-11-13 Paul Eggert <eggert@twinsun.com>
5386 Fix some confusion with IEEE minus zero.
5388 * real.h (REAL_VALUES_IDENTICAL): New macro.
5390 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
5391 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
5393 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
5394 same tree structure as 0.0.
5396 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
5397 macro instead of doing it by hand.
5399 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
5401 * v850/lib1funcs.asm: Minor whitespace changes.
5402 * v850.c: Fix minor formatting problems in many places.
5403 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
5405 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
5407 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
5408 xplus1 when xplus0 is not a register.
5410 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
5412 * flow.c (find_basic_blocks): During marking phase, if we encounter
5413 an insn with a REG_LABEL note, make the target block live and
5414 create an edge from the insn to the target block. Do not make
5415 edges from all blocks to the target block.
5417 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
5419 * confiugre.in: Tweak NCR entries.
5420 * configure: Rebuilt.
5422 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
5424 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
5425 pick apart floating point values, instead of using CONST_DOUBLE_LOW
5426 and CONST_DOUBLE_HIGH.
5428 * rs6000.md (define_splits for DF constants): Use the appropriate
5429 REAL_VALUE_* interface to pick apart DF floating point constants in
5430 a machine independent fashion.
5432 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5434 * fold-const.c (fold_truthop): When changing a one-bit comparison
5435 against zero into a comparison against mask, do a proper sign
5438 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
5440 * except.c: Do not include "assert.h".
5441 (save_eh_status): Turn asserts into conditional aborts.
5442 (restore_eh_status, scan_region): Likewise.
5443 * dwarfout.c: Do not include "assert.h".
5444 (bit_offset_attribute): Turn asserts into conditional aborts.
5445 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
5446 (output_inlined_structure_type_die): Likewise.
5447 (output_inlined_union_type_die): Likewise
5448 (output_tagged_type_instantiation): Likewise.
5449 (dwarfout_file_scope_decl): Likewise.
5450 * dwarf2out.c: Do not include "assert.h"
5451 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
5452 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
5453 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
5454 (add_bit_size_attribute, scope_die_for): Likewise.
5455 (output_pending_types_for_scope): Likewise.
5456 (get_inlined_enumeration_type_die): Likewise.
5457 (get_inlined_structure_type_die): Likewise.
5458 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
5459 (gen_tagged_type_instantiation_die): Likewise.
5461 * flow.c (find_basic_blocks): Refine further to get a more correct
5462 cfg, especially in the presense of exception handling, computed
5463 gotos, and other non-trivial cases. Call abort if an inaccuracy
5464 is detected in the cfg.
5466 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5468 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
5470 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
5471 (skip_white_space): Use whitespace_cr.
5472 (check_newline): Handle whitespace more consistently.
5474 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
5476 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
5477 * i386/xm-cygwin32.h (POSIX): Define.
5479 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
5481 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
5482 is available elsewhere.
5484 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
5486 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
5487 what the instruction can handle.
5489 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
5491 * stmt.c (expand_decl_cleanup_no_eh): New fn.
5493 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
5495 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
5497 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
5498 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
5500 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
5502 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
5503 swap instruction order.
5505 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
5507 * fixinc.svr4 (__STDC__): Add another case.
5509 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5511 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
5512 addresses in the epilogue delay slot.
5514 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
5516 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
5517 in generated `specs' file.
5519 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
5521 * flags.h (flag_rerun_loop_opt): Declare.
5522 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
5523 * toplev.c (flag_rerum_loop_opt): Delete static.
5525 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5527 Bring over from FSF:
5529 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5531 * va-sh.h (__va_arg_sh1): Define.
5533 SH3E doesn't use any integer registers for subsequent arguments
5534 once a non-float value was passed in the stack.
5535 * sh.c (machine_dependent_reorg): If optimizing, put explicit
5536 alignment in front label for ADDR_DIFF_VEC.
5537 * sh.h (PASS_IN_REG_P): Fix SH3E case.
5538 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
5540 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5542 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
5545 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5547 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
5548 put an use_sfunc_addr before each sfunc.
5549 * sh.md (use_sfunc_addr, dummy_jump): New insns.
5550 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
5552 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5554 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
5556 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
5558 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
5561 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
5563 * alias.c (find_base_value): Only return the known base value for
5566 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
5568 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
5569 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
5571 (prologue_get_pc_and_set_got): New pattern.
5573 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
5575 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
5576 for SUBREG, just fall through.
5578 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
5580 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
5582 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
5584 * fixincludes: Fix "hypot" prototype in NeXT math.h.
5586 * Makefile.in (USE_ALLOCA): Always include alloca.o.
5587 (USE_HOST_ALLOCA): Likewise.
5589 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
5590 and LABEL_REFS fields.
5591 * rtl.h (LABEL_REFS): Update.
5593 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
5595 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
5596 sets i2dest. When calling distribute_notes for i3dest_killed, pass
5597 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
5600 * mips.md (insv, extzv, extv): Add change_address call.
5601 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
5603 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
5605 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
5607 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
5608 save_restore_insns if no FP and GP will be restored.
5610 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
5611 Convert CCmode to word_mode before calling GET_MODE_SIZE.
5613 * acconfig.h (HAVE_INTTYPES_H): Undef.
5614 * configure.in (inttypes.h): Check for conflicts between sys/types.h
5615 and inttypes.h, and verify that intmax_t is defined.
5616 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
5617 * config/mips/x-iris3: Likewise.
5619 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
5621 * alias.c (find_base_value): When copying arguments, return the
5622 tenative value for a hard register.
5624 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
5626 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
5627 (yylex): Record wide strings using target endianness, not host.
5629 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
5631 * mn10200.h (ASM_OUTPUT_BSS): Delete.
5632 (ASM_OUTPUT_ALIGNED_BSS): New macro
5633 * mn10300.h (ASM_OUTPUT_BSS): Delete.
5634 (ASM_OUTPUT_ALIGNED_BSS): New macro.
5635 * v850.h (ASM_OUTPUT_BSS): Delete.
5636 (ASM_OUTPUT_ALIGNED_BSS): New macro.
5638 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5640 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
5642 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
5644 * configure.in (sco5): Use cpio to install header files.
5646 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
5648 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
5650 * configure: Rebuild.
5652 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
5654 * i386/sco5.h: enable -gstabs once again.
5656 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
5658 * arm.c (output_move_double): Allocate 3 entries in otherops array.
5660 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
5662 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
5663 notes for sjlj exceptions too.
5664 (expand_eh_region_end): Similarly for EH_REGION_END notes.
5665 (exception_optimize): Optimize EH regions for sjlj exceptions too.
5666 * final.c (final_scan_insn): Don't output labels for EH REGION
5667 notes if doing sjlj exceptions.
5669 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
5671 * alias.c (init_alias_analysis): Handle -fno-alias-check when
5672 optimizing correctly.
5674 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
5675 or set current_function_calls_setjmp anymore.
5677 * flow.c (find_basic_blocks): If we delete the label for an
5678 exception handler, remove it from the EH label list and remove
5679 the EH_BEGIN/EH_END notes for that EH region.
5681 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
5683 * flow.c (find_basic_blocks): Generate correct flow control
5684 information when exception handling notes are present.
5686 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
5688 * dwarf2out.c (output_call_frame_info): Fix length argument
5689 to ASM_OUTPUT_ASCII.
5690 (output_die, output_pubnames, output_line_info): Likewise.
5692 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
5694 * version.c: Bump for snapshot.
5696 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
5697 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
5698 flag_debug_asm is on.
5699 (output_die, output_pubnames, output_line_info): Likewise.
5701 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
5702 and static_chain_rtx into the potential base values array if
5705 * alias.c (new_reg_base_value): New array of potential base values.
5706 (unique_id): Now file scoped static.
5707 (find_base_value, case REG): Return the value in reg_base_value
5708 array for the REG if it exists. Else, return the value from
5709 new_reg_base_value if copying args and REG is a hard register.
5710 (find_base_value, case PLUS): If either operand of the PLUS is
5711 a REG, try to get its base value. Handle base + index and
5713 (record_set): Use new_reg_base_value instead of reg_base_value.
5714 (init_alias_analysis): Allocate space for new_reg_base_value too.
5715 Rework code to iterate over the insns propagating base value
5716 information until nothing changes.
5718 * global.c (global_alloc): Free the conflict matrix after
5719 reload has finished.
5721 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
5723 * libgcc2.c (L_eh): Define __eh_pc.
5724 Replace __eh_type with generic pointer __eh_info.
5726 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
5728 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
5729 use copy_to_reg if address is not a general_operand.
5731 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5733 * profile.c (output_func_start_profiler): Clear flag_inline_functions
5734 for the duration of the call to rest_of_compilation.
5736 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
5738 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
5740 (sparc*-*-*): Recognize --with-cpu=v9.
5741 * sparc/elf.h: New file.
5742 * sparc/t-elf: New file.
5744 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
5746 * mn10300.c (const_8bit_operand): New function.
5747 (mask_ok_for_mem_btst): New funtion.
5748 * mn10300.md (btst patterns with mem operands): Use new functions
5749 to avoid creating btst instructions with invalid operands.
5751 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
5753 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
5754 are running on PowerPC Linux.
5756 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
5758 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
5759 if not previously defined.
5761 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
5763 * function.c (assign_parms): Correct mode of stack_parm if
5764 entry_parm underwent a mode conversion.
5766 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
5768 * global.c (global_alloc): Use xmalloc instead of alloca for
5769 CONFLICTS, since max_allocno * allocno_row_words alone can be more
5770 than 2.5Mb sometimes.
5772 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
5774 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
5775 DEST for the spill, adjust mode of SRC to compensate.
5777 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
5779 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
5780 since any_memory_operand() allows pseudos during reload.
5781 (reload_inhi, reload_outqi, reload_outhi): Likewise.
5783 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
5785 * m68k.md (btst patterns): Add 5200 support.
5787 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
5789 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
5790 optimizations, look inside dividend to determine if the expression
5791 can be simplified by using EXACT_DIV_EXPR.
5793 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
5796 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
5798 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
5800 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
5802 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
5804 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
5807 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
5809 * alpha.md (movqi, movhi): Make sure new insns created during reload
5810 won't need reloading themselves.
5811 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
5813 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
5815 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
5817 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
5819 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
5820 Patch from Klaus Kaempf <kkaempf@progis.de>.
5822 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
5824 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
5825 to an element in a constant string.
5827 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
5829 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
5830 bit PC-relative offset. The exception range table pointer is now in
5832 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
5833 (count_fdes, add_fdes, get_cie): Adjust.
5834 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
5837 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
5839 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
5841 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
5842 like stack_pointer_rtx.
5844 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
5846 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
5847 targets using "$@" to provide support for similar but not identical
5848 targets without having to duplicate code.
5849 (bootstrap4): New goal.
5851 * Makefile.in (compare, compare-lean, compare3): Combined to one
5852 ruleset determining actions to be performed via $@.
5853 (compare4, compare4-lean): New targets.
5854 (gnucompare, gnucompare3): Combined to one ruleset determining
5855 actions to be performed via $@. Also, note which files failed
5856 the comparison test in .bad_compare.
5857 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
5859 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
5861 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
5862 if the dividend is a multiple of the divisor.
5864 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
5866 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
5868 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
5871 * alias.c (true_dependence): Fix typo.
5873 * toplev.c (flag_rerun_loop_opt): New variable.
5874 (f_options): Handle -frerun-loop-opt.
5875 (rest_of_compilation): If -frerun-loop-opt, then run the loop
5877 (main): Enable -frerun-loop-opt by default for -O2 or greater.
5879 * loop.c (simplify_giv_expr): Adding two invariants results
5882 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
5884 * expr.c (get_inner_reference): Remove the array bias after
5885 converting the index to Pmode.
5887 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
5889 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
5890 (TARGET_MULT_BUG): Define.
5891 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
5892 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
5894 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
5896 * mn10200.c (indirect_memory_operand): Delete unused function.
5897 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
5898 * mn10200.md (bset, bclr insns): Handle output in a reg too.
5900 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
5902 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
5903 the callee's ldgp, we must do it ourselves, and we use the jsr tag
5904 for more than scheduling.
5906 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
5908 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
5910 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
5912 * mn10300.c (symbolic_operand, legitimize_address): New functions.
5913 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
5914 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
5916 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
5918 * version.c: Bump for snapshot.
5920 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5922 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
5925 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
5927 * toplev.c (flag_exceptions): Default value is 2.
5928 (compile_file): If flag_exceptions still has the value 2, then
5931 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
5932 (rs6000_save_machine_status): Save pic_offset_table_rtx.
5933 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
5935 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
5938 * rs6000.md (*movsi_got_internal_mem): New pattern.
5939 (*movsi_got_internal_mem splitter): New define_split.
5941 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
5943 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
5945 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
5947 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
5948 only need to save LR.
5950 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
5952 * mn10300.md (movqi, movhi): Avoid using address registers as
5953 destinations unless absolutely necessary.
5955 * mn10200.c (expand_prologue): Fix typo.
5957 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
5959 * mn10200.md (neghi2): Provide an alternative which works if
5960 the input and output register are the same.
5962 * mn10300.c (print_operand): Handle 'S'.
5963 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
5964 shift amount in last alternative
5966 * mn10300.c (expand_epilogue): Rework to handle register restores
5967 in "ret" and "retf" instructions correctly.
5969 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
5971 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
5972 extzv for memory operands.
5974 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
5975 redundant conditional moves to single operand.
5977 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
5979 * v850.h: Move define of __v850__ from CPP_PREDEFINES
5982 * xm-v850.h: Use __v850 rather than __v850__ to
5985 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
5987 * mips/mips.c (compute_frame_size): Not a leaf function if
5990 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
5992 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
5994 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
5996 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
5997 (DEFAULT_ARCH32_P): New macro.
5998 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
5999 (enum cmodel): Declare.
6000 (sparc_cmodel_string,sparc_cmodel): Declare.
6001 (SPARC_DEFAULT_CMODEL): Provide default.
6002 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
6003 (TARGET_FULLANY): Deleted.
6004 (TARGET_CM_MEDMID): New macro.
6005 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
6006 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
6007 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
6008 (CPP_SPEC): Rewrite.
6009 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
6010 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
6011 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
6012 (ASM_SPEC): Add %(asm_arch).
6013 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
6014 Rename asm_default to asm_cpu_default.
6015 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
6016 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
6017 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
6018 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
6019 (MASK_INT64,MASK_LONG64): Delete.
6020 (MASK_ARCH64): Renamed to MASK_64BIT.
6021 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
6022 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
6023 (TARGET_SWITCHES): Always provide 64 bit options.
6024 (ARCH64_SWITCHES): Delete.
6025 (TARGET_OPTIONS): New option -mcmodel=.
6026 (INT_TYPE_SIZE): Always 32.
6027 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
6028 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
6029 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
6030 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
6031 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
6033 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
6034 * sparc/linux.h: Likewise.
6035 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
6036 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
6037 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
6038 (SPARC_DEFAULT_CMODEL): Define.
6039 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
6040 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
6041 (LONG_DOUBLE_TYPE_SIZE): Define.
6042 (ASM_SPEC): Add %(asm_arch).
6043 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
6044 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
6045 (TARGET_CPU_DEFAULT): Add ultrasparc case.
6046 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
6047 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
6048 (SPARC_DEFAULT_CMODEL): Define.
6049 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
6050 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
6051 MASK_LONG64, MASK_MEDANY.
6052 (SPARC_DEFAULT_CMODEL): Define.
6053 (CPP_PREDEFINES): Delete.
6054 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
6055 (ASM_SPEC): Add %(asm_arch).
6056 (LONG_DOUBLE_TYPE_SIZE): Define.
6057 (DWARF2_DEBUGGING_INFO): Define.
6058 * sparc/splet.h (CPP_SPEC): Delete.
6059 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
6060 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
6061 (BLOCK_PROFILER): Likewise.
6062 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
6063 (sparc_override_options): Handle code model selection.
6064 (sparc_init_expanders): Renamed from sparc64_init_expanders.
6065 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
6066 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
6067 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
6068 (sethi_di_fullany): Delete.
6070 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
6071 Jeff Law <law@cygnus.com>
6072 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6074 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
6075 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
6076 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
6077 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
6078 * alpha/alpha.md (arg_home): Likewise.
6080 * alpha/alpha.c (vmskrunch): Delete
6081 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
6082 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
6083 truncate to 64 characters.
6085 * make-l2.com: Support openVMS/Alpha.
6087 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
6089 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6091 * longlong.h (count_leading_zeros): Add missing casts to USItype.
6093 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
6095 * i386/bsd386.h (ASM_COMMENT_START): Define.
6097 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
6099 * tree.c (restore_tree_status): Also free up temporary storage
6100 when we finish a toplevel function.
6101 (dump_tree_statistics): Print stats for backend obstacks.
6103 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
6105 * expr.c (use_group_regs): Don't call use_reg for MEMs.
6107 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
6109 * libgcc2.c (__throw): Don't copy the return address.
6110 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
6112 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
6113 * toplev.c (main): Initialize exceptions_via_longjmp.
6115 * tree.c: Add extra_inline_obstacks.
6116 (save_tree_status): Use it.
6117 (restore_tree_status): If this is a toplevel inline obstack and we
6118 didn't want to save anything on it, recycle it.
6119 (print_inline_obstack_statistics): New fn.
6120 * function.c (pop_function_context_from): Pass context to
6121 restore_tree_status.
6122 * obstack.h (obstack_empty_p): New macro.
6124 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
6126 * i386/freebsd.h (ASM_COMMENT_START): Fix.
6128 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
6130 * v850.c (ep_memory_offset): New function.
6131 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
6133 * v850.h (CONST_OK_FOR_*): Add and correct comments.
6134 (CONSTANT_ADDRESS_P): Add comment.
6135 (EXTRA_CONSTRAINT): Define 'U'.
6136 * v850.md: Add comments on bit field instructions.
6137 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
6138 (lshrsi3): Use N not J constraint.
6140 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
6142 * v850.c (reg_or_0_operand): Call register_operand.
6143 (reg_or_int5_operand): Likewise.
6144 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
6145 (TARGET_SWITCHES): Add "big-switch".
6146 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
6147 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
6148 (CASE_DROPS_THROUGH): Comment out.
6149 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
6150 * v850.md (cmpsi): Delete compare mode.
6151 (casesi): New pattern.
6153 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
6154 * v850.md (ashlsi3): Use SImode not QImode for shift count.
6155 (lshrsi3): Likewise.
6157 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
6158 unreachable switch statement after 'b' support. Remove "b" from
6159 strings for 'b' support.
6160 * v850.md (branch_normal, branch_invert): Change %b to b%b.
6162 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
6164 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
6165 empty line if @inhibit_libc@ is empty.
6167 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
6169 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
6170 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
6171 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
6172 (DWARF2_UNWIND_INFO): Let this track object file format.
6173 (EXTRA_SECTIONS): Add in_eh.
6174 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
6175 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
6177 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
6179 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
6180 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
6182 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
6183 (output_double_int): Output DI mode values correctly when
6184 HOST_BITS_PER_WIDE_INT is 64.
6185 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
6186 fmovd so it works if a quad float ends up in one of the upper 32
6188 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
6189 necessary for PIC support on sparc64.
6191 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
6193 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
6194 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
6195 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
6196 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
6197 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
6198 (SPARC_FP_ARG_FIRST): New macro.
6199 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
6200 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
6201 (NPARM_REGS): There are 32 fp argument registers now.
6202 (FUNCTION_ARG_REGNO_P): Likewise.
6203 (FIRST_PARM_OFFSET): Update to new v9 abi.
6204 (REG_PARM_STACK_SPACE): Define for arch64.
6205 (enum sparc_arg_class): Delete.
6206 (sparc_arg_count,sparc_n_named_args): Delete.
6207 (struct sparc_args): Redefine and use for arch32 as well as arch64.
6208 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
6209 (FUNCTION_ARG_ADVANCE): Rewrite.
6210 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
6211 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
6212 (FUNCTION_ARG_CALLEE_COPIES): Delete.
6213 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
6214 (STRICT_ARGUMENT_NAMING): Define.
6215 (doublemove_string): Declare.
6216 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
6217 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
6218 (doublemove_string): New function.
6219 (output_move_quad): Clean up some of the arch64 support.
6220 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
6221 Don't add 8 bytes of reserved space if arch64.
6222 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
6223 (init_cumulative_args): New function.
6224 (function_arg_slotno): New static function.
6225 (function_arg,function_arg_partial_nregs): New functions.
6226 (function_arg_{pass_by_reference,advance}): New functions.
6227 (function_arg_padding): New function.
6228 * ginclude/va-sparc.h: Rewrite v9 support.
6230 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
6232 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
6233 for hard regs to determine base and index registers.
6235 * reload.c (debug_reload_to_stream): New function. Specify stream
6236 into which to write debug info.
6237 (debug_reload): Modify to call debug_reload_to_stream with stderr.
6239 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
6241 * combine.c (can_combine_p): Don't combine with an asm whose
6242 output is a hard register.
6244 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
6246 * c-decl.c (start_struct): Ensure that structs with forward
6247 declarations are in fact packed when -fpack-struct is given.
6249 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
6250 we are packing a structure. This allows a structure with only
6251 bytes to be aligned on a byte boundary and have no padding on a
6254 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6256 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
6258 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
6260 * alpha.c (alpha_return_addr_rtx): New variable.
6261 (alpha_save_machine_status): New; save it.
6262 (alpha_restore_machine_status): New; restore it.
6263 (alpha_init_expanders): New; clear it.
6264 (alpha_return_addr): New; set it.
6265 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
6266 is overly conservative, so search the insns explicitly.
6267 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
6268 (alpha_sa_size [VMS && !VMS]): Likewise.
6269 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
6270 (INIT_EXPANDERS): New definition.
6272 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
6273 (output_prolog [!VMS]): Use them.
6275 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
6276 (alpha_does_function_need_gp): ... a new function. Refine the
6277 CALL_INSN test to just TYPE_JSR.
6278 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
6280 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
6282 * version.c: Bump for snapshot.
6284 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6286 * pa.c (move_operand): Respect -mdisable-indexing.
6287 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
6289 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
6291 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
6293 (umulsidi3,umulsi3_highpart): Ditto.
6294 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
6296 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
6298 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
6299 (alpha_handle_trap_shadows): ... a new function. Handle the entire
6300 function in one go. Emit RTL for trapb, instead of printf directly.
6301 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
6302 (trap_pending): Kill global variable.
6303 (output_epilog): Don't call final_prescan_insn.
6304 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
6305 * alpha.h (FINAL_PRESCAN_INSN): Remove.
6306 (MACHINE_DEPENENT_REORG): Define.
6307 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
6310 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
6312 Tune Haifa scheduler for Alpha:
6313 * alpha.h (ISSUE_RATE): Define.
6314 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
6315 EV4 adjustments to EV5.
6316 * alpha.md: Remove all scaling from function unit delays. Rework
6317 EV5 function units to match the CPU.
6318 (umuldi3_highpart): EV5 added the IMULH insn class.
6320 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
6322 * pa.c (following_call): Fail if the CALL_INSN is an indirect
6325 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
6327 * cplus-dem.c (demangle_signature): Don't look for return types on
6328 constructors. Handle member template constructors.
6330 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
6332 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
6333 * tree.h: Declare them.
6335 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
6337 * configure.in: Handle --with-newlib.
6338 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
6340 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
6342 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
6344 * config/ptx4.h: Fix typo.
6346 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
6348 * version.c: Bump for snapshot.
6350 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
6352 * aclocal.m4: Substitute INSTALL.
6353 * configure: Re-built.
6355 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
6357 * integrate.c (save_for_inline_copying): Avoid undefined pointer
6359 (expand_inline_function): Likewise.
6361 * dwarf2out.c (output_call_frame_info): Reinstate last change
6362 using flag_debug_asm check instead of flag_verbose_asm.
6364 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
6366 * dwarf2out.c (output_call_frame_info): Remove last change.
6368 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6370 * frame.c (__frame_state_for): Execute the FDE insns until the
6371 current pc value is strictly bigger than the target pc value.
6373 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
6375 * regclass.c (init_reg_modes): If we can't find a mode for the
6376 register, use the previous one.
6378 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
6380 * haifa-sched.c (print_block_visualization): Call fprintf directly,
6381 don't sprintf through an alloca'ed buffer.
6383 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
6385 * reload.c (decompose): Always initialize val.base.
6387 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
6389 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
6390 instead of aborting.
6391 * dwarf2out.c (output_call_frame_info): Call app_enable and
6392 app_disable to let GNU as accept the generated comments.
6394 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
6396 * tree.h (get_file_function_name): Add declaration.
6397 * dwarf2out.c (output_call_frame_info): No need to cast
6398 get_file_function_name call anymore.
6399 * profile.c (toplevel): Remove get_file_function_name
6401 * c-lang.c (finish_file): Ditto.
6403 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
6405 * Makefile.in (program_transform_name): Let autoconf substitute
6408 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
6410 * haifa-sched.c (schedule_block): If the first real insn in a
6411 block has any special notes attached to it, remove them.
6413 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
6415 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
6417 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
6419 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
6421 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
6423 * Makefile.in (check-g77): New test target.
6424 (CHECK-TARGETS): Add check-g77.
6426 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
6428 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
6430 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
6432 * flow.c (print_rtl_with_bb): Cast alloca return value for
6435 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
6437 * i386.h (RETURN_ADDR_RTX): New definition that works for
6438 __builtin_return_address(0) and -fomit-frame-pointer.
6440 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
6442 Bring over from FSF.
6443 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
6445 * mips.c (function_arg): Handle passing a struct
6446 containing a double in a DFmode register without the PARALLEL.
6448 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
6450 * pexecute.c: Use spawn if __CYGWIN32__.
6452 * pexecute.c: Include "config.h" first, as per autoconf manual
6453 (from Paul Eggert <eggert@twinsun.com>).
6455 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
6457 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
6458 optimisation for f/expr.o and f/stb.o.
6460 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
6462 * cse.c (this_insn_cc0_mode): Initialize.
6464 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
6466 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
6468 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
6470 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
6472 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
6473 that pair will dual-issue on the 21164 and plus+beq won't.
6474 (bne): Likewise for cmpeq+beq.
6476 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
6478 * except.c (find_exception_handler_labels): Correct argument to free.
6480 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
6482 * except.c (find_exception_handler_labels): Free LABELS when we're
6485 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
6487 * version.c: Bump for snapshot.
6489 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
6491 * flow.c (find_basic_blocks): Mark calls as potentially jumping
6494 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
6496 * configure.in: Substitute for "install" too.
6497 * configure: Rebuilt.
6499 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
6501 * Makefile.in (bootstrap-lean, compare-lean): New targets.
6503 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
6505 * alias.c (base_alias_check): Two symbols can conflict if they
6506 are accessed via AND.
6507 (memrefs_conflict_p): Likewise.
6509 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
6510 after flushing argument registers to the stack.
6512 * Makefile.in (mostlyclean): Remove .regmove files.
6514 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
6516 * libgcc2.c (__throw): Fix thinko.
6518 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
6520 * cplus-dem.c (demangle_template): Add new parameter. Handle new
6521 template-function mangling.
6522 (consume_count_with_underscores): New function.
6523 (demangle_signature): Handle new name-mangling scheme.
6525 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
6527 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
6530 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
6532 * frame.c: Remove last change.
6533 * dwarf2.h: Remove last change.
6534 * tree.h: Add declarations of DWARF2 unwind info support
6537 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
6539 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
6540 * tree.h (built_in_function): Likewise.
6541 * expr.c (expand_builtin): Likewise.
6542 * except.h: Likewise.
6543 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
6544 * libgcc2.c (copy_reg): New fn.
6547 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
6549 * c-typeck.c (build_binary_op): Warn about comparing signed vs
6550 unsigned if -W is specified and -Wno-sign-compare is not.
6551 * c-decl.c (warn_sign_compare): Initialize to -1.
6552 (c_decode_option): -Wall no longer implies -Wsign-compare.
6554 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6556 * frame.c: Include gansidecl.h for PROTO.
6557 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
6558 defined. Don't declare dwarf2out_cfi_label here.
6559 * dwarf2.h: Add declarations of DWARF2 unwind info support
6561 * m68k.c: Include dwarf2.h.
6562 (output_function_prologue): Add dwarf2 support.
6563 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
6564 (INCOMING_FRAME_SP_OFFSET): Likewise.
6566 * integrate.c (expand_inline_function): Make sure there is at
6567 least one insn that can be used as an insertion point.
6569 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
6571 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
6573 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
6575 * version.c: Bump for snapshot.
6577 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
6579 Bring over from FSF.
6581 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
6583 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
6584 (get_pc_via_rdpc): Renamed from get_pc_sp64.
6585 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
6587 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
6589 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
6590 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
6592 (sparc_align_{loops,jumps,funcs}_string): Declare.
6593 (sparc_align_{loops,jumps,funcs}): Declare.
6594 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
6595 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
6596 (STACK_BIAS): Define.
6597 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
6599 (SPARC_SETHI_P): New macro.
6600 (CONST_OK_FOR_LETTER_P): Use it.
6601 (ASM_OUTPUT_ALIGN_CODE): Define.
6602 (ASM_OUTPUT_LOOP_ALIGN): Define.
6603 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
6604 (sparc_align_{loops,jumps,funcs}): New globals.
6605 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
6607 (move_operand): Use SPARC_SETHI_P.
6608 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
6610 (arith11_double_operand): Likewise.
6611 (arith10_double_operand): Likewise.
6612 (finalize_pic): Finish sparc64 support.
6613 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
6614 64 bit constants if able.
6615 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
6616 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
6618 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
6619 (get_pc_sp32): Use for sparc64 as well.
6620 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
6621 (sethi_di_sp64_const): Likewise.
6622 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
6623 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
6624 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
6626 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
6628 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
6629 * sparc/linux.h (COMMENT_BEGIN): Likewise.
6630 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
6632 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
6634 Add sparc64 linux support.
6635 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
6636 to xm_file list on 32-bit sparc-linux.
6637 * sparc/xm-sp64.h: New file.
6638 * sparc/linux64.h: New file.
6639 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
6640 Don't include xm-sparc.h.
6641 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
6642 * glimits.h (LONG_MAX): Handle sparc64.
6644 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
6646 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
6647 * sparc.h (ASM_COMMENT_START): Define.
6648 * sparc.c (output_function_prologue): Use it.
6649 (sparc_flat_output_function_{epi,pro}logue): Likewise.
6651 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
6653 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
6654 use sparc.h's copies.
6655 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
6658 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6660 * sparc.c (dwarf2out_cfi_label): Add declaration.
6661 (save_regs, output_function_prologue): Remove cast for it.
6662 (sparc_flat_{save_restore,output_function_prologue): Likewise.
6663 ({save,restore}_regs): No longer inline.
6665 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6667 * fold-const.c (make_range): Correctly handle cases of converting
6668 from unsigned to signed type.
6670 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6672 * fold-const.c (merge_ranges): Make sure that if one range is subset
6673 of another, it will always be the second range. Correct (+,-) case to
6676 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
6678 * final.c (final_end_function): Also do dwarf2 thing if
6679 DWARF2_DEBUGGING_INFO.
6680 (final_start_function): Likewise.
6682 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
6684 * expmed.c (expand_divmod): If compute_mode is not the same as
6685 mode, handle the case where convert_modes() causes op1 to no
6686 longer be a CONST_INT.
6688 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
6689 note holding get_jump_flags() calculation to all JUMP_INSNs.
6690 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
6691 * rtl.c (reg_note_name): Add new note types.
6693 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
6695 * rtlanal.c (computed_jump_p): Fix typo in last change.
6697 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6699 * loop.c (indirect_jump_in_function_p): Return 0
6702 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
6704 * rs6000/xm-rs6000.h: Fix thinko in last change.
6705 * rs6000/xm-sysv4.h: Likewise.
6707 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
6709 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
6711 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
6713 * reg-stack.c (find_blocks): Fix thinko in last change.
6715 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6717 * m68k.c (output_function_prologue): Add dwarf2 support.
6719 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
6720 INCOMING_FRAME_SP_OFFSET): New definitions.
6722 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
6724 * combine.c (try_combine): Use NULL_RTX instead of '0' where
6725 appropriate in calls to gen_rtx().
6726 * cse.c (cse_main): Likewise.
6727 * emit-rtl.c (gen_label_rtx): Likewise.
6728 * expr.c (init_expr_once): Likewise.
6729 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
6730 sched_analyze, init_rgn_data_dependences,
6731 compute_block_backward_dependences): Likewise.
6732 * sched.c (schedule_insns): Likewise.
6733 * varasm.c (immed_double_const): Likewise.
6735 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
6736 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
6738 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
6740 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
6741 (MULTILIB_DEFAULTS): Define.
6742 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
6743 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
6744 (LIBGCC_SPEC): Likewise.
6745 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
6746 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
6747 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
6748 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
6749 (EXTRA_PARTS, TAROUTOPTS): Delete.
6750 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
6751 (MULTILIB_OPTIONS): Define.
6752 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
6753 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
6755 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
6757 * version.c: Bump for snapshot.
6759 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
6761 * loop.c (loop_number): Delete function. Change all references
6762 to use uid_loop_num array.
6763 * loop.h (loop_number): Delete declaration.
6764 * unroll.c (unroll_loop): Change "loop_number" references to
6765 use uid_loop_num instead.
6767 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
6769 (loop_unroll_iter): Remove unused variable and all references.
6770 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
6771 (insert_bct): Fix minor formatting problems.
6772 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
6773 (loop_unroll_iter): Removed unused decl.
6774 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
6775 Always record the unrolling factor.
6777 * cse.c (simplify_relational_operation): Set h0u just like h0s.
6778 Similarly for h1u and h1s.
6780 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
6781 (find_basic_blocks): Use computed_jump_p to determine if a
6782 particular JUMP_INSN is a computed jump.
6783 * reg-stack.c (find_blocks): Use computed_jump_p to determine
6784 if a particular JUMP_INSN is a computed jump.
6785 * rtlanal.c (jmp_uses_reg_or_mem): New function.
6786 (computed_jump_p): Likewise.
6787 * rtl.h (computed_jump_p): Declare.
6788 * genattrtab.c (pc_rtx): Define and initialize.
6789 * loop.c (loop_optimize): Always determine if the current
6790 function has a computed jump.
6791 (indirect_jump_in_function_p): Use computed_jump_p to determine
6792 if a particular JUMP_INSN is a computed jump.
6794 * loop.c (fix_bct_param): Delete unused function.
6795 (check_bct_param): Likewise.
6797 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
6799 * frame.c (__deregister_frame): Check properly for initialized object.
6801 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6803 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
6805 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6807 * jump.c (thread_jumps): check can_reverse_comparison_p before
6808 threading a reversed-condition jump.
6810 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
6811 * haifa-sched.c (update_flow_info): Likewise.
6813 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
6815 * Makefile.in (BOOT_CFLAGS): Use -O2.
6817 * configure.in (strtoul, bsearch): Have autoconf check for these
6819 * configure, config.in: Rebuilt.
6821 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
6822 * mips/mips.h (alloca): Likewise.
6823 * rs6000/xm-rs6000.h (alloca): Likewise.
6824 * rs6000/xm-sysv4.h: Likewise.
6826 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
6828 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
6829 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
6830 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
6832 * except.c (end_eh_unwinder): Subtract 1 from return address.
6833 * libgcc2.c (__throw): Likewise.
6834 (find_exception_handler): Don't change PC here. Compare end with >.
6836 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
6838 * v850.c (compute_register_save_size): Correct register
6840 * v850.md (save_interrupt, return_interrupt): Correct
6842 * v850/lib1funcs.asm (save_interrupt): Correct register number.
6843 (return_interrupt): Use stack pointer, not element pointer.
6845 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
6847 * configure.in, configure: Make sure to create the stage* and include
6848 symbolic links in each subdirectory.
6850 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
6852 * pa.md (reload_peepholes): Don't allow addresses with side
6853 effects for the memory operand.
6855 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
6857 * libgcc2.c (find_exception_handler): Subtract one from our PC when
6858 looking for a handler, to avoid hitting the beginning of the next
6861 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
6863 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
6865 * mips/abi64.h (LONG_MAX_SPEC): Define.
6866 * mips.h (LONG_MAX_SPEC): Define.
6867 (CPP_SPEC): Include long_max_spec.
6868 (EXTRA_SPECS): Include long_max_spec.
6870 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
6872 * v850.c (construct_save_jarl): Fix thinko in last change.
6874 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
6876 * version.c: Bump for snapshot.
6878 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
6880 * libgcc2.c (find_exception_handler): Not found is -1.
6882 * integrate.c (expand_inline_function): Move expand_start_bindings
6883 after expanding the arguments.
6885 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
6887 * expr.c (expand_expr): Remove previous incorrect change.
6888 If target and slot has no DECL_RTL, then call mark_addressable
6889 again for the slot after we give it RTL.
6891 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
6893 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
6894 again for the slot after we give it RTL.
6896 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
6898 * v850.c (register_is_ok_for_epilogue,
6899 pattern_is_ok_for_epilogue, construct_restore_jr,
6900 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
6902 * v850.h (pattern_is_ok_for_prologue,
6903 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
6906 * v850.md: Replace prologue and epilogue patterns with a
6907 match_parallel pattern.
6909 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
6911 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
6912 * configure.in: Use EGCS_PROG_INSTALL.
6914 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
6916 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
6917 extern inline function.
6919 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
6921 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
6922 (concat_loc_descriptor): New function.
6923 (loc_descriptor): Call it.
6924 (add_AT_location_description): Also elide the descriptor if both
6925 halves of a CONCAT are pseudos.
6926 (add_location_or_const_value_attribute): Recognize CONCAT too.
6928 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
6930 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
6932 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
6933 out-or-range reg_offset.
6934 (output_epilog): Likewise.
6936 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
6938 * cse.c (simplify_relational_operation): If MODE specifies a
6939 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
6940 is derived from the sign bit of the low word.
6942 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
6944 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
6946 * dwarf2.h: Add DW_CFA_GNU_args_size.
6947 * frame.c (execute_cfa_insn): Likewise.
6948 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
6949 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
6950 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
6951 insn, hand it off to dwarf2out_stack_adjust.
6952 (dwarf2out_begin_prologue): Initialize args_size.
6953 * frame.h (struct frame_state): Add args_size.
6954 * libgcc2.c (__throw): Use args_size.
6955 * final.c (final_scan_insn): If we push args, hand off all insns
6956 to dwarf2out_frame_debug.
6957 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
6959 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
6960 Handle epilogue restore of SP from FP.
6961 * emit-rtl.c (gen_sequence): Still generate a sequence if the
6962 lone insn has RTX_FRAME_RELATED_P set.
6964 * frame.c (extract_cie_info): Handle "e" augmentation.
6965 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
6966 absence of UNALIGNED_*_ASM_OP.
6967 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
6968 (output_call_frame_info): Use "e" instead of "z" for augmentation.
6969 Don't emit augmentation fields length.
6970 (dwarf2out_do_frame): Move outside of #ifdefs.
6971 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
6974 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
6975 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
6976 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
6977 * sparc/sun4gas.h: New file.
6978 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
6980 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
6981 __register_frame_table and __deregister_frame.
6983 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
6985 * except.c (find_exception_handler_labels): Use xmalloc instead of
6986 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
6989 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
6991 * Makefile.in: Various changes to build info files
6992 in the object tree rather than the source tree.
6994 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
6996 * fixinc.math: New file to fix math.h on some systems.
6997 * configure.in (freebsd, netbsd): Use fixinc.math on these
6999 * configure: Rebuilt.
7001 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
7003 * regmove.c (regmove_optimize): If we end up moving the
7004 original insn due to lifetime overlaps, make sure to move
7007 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
7009 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
7011 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
7013 * haifa-sched.c (add_branch_dependences): Make each insn in
7014 a SCHED_GROUP_P block explicitly depend on the previous insn.
7016 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
7018 * except.h: Prototype dwarf2 hooks.
7021 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
7023 * configure.in (native_prefix): Delete.
7024 (mips-dec-netbsd): Don't set prefix.
7025 (*linux*): Don't set prefix.
7027 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
7029 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
7030 defined. If not defined, include <sys/varargs.h> if
7031 HAVE_SYS_VARARGS_H is defined.
7032 * configure.in: Test for varargs.h and sys/varargs.h.
7033 * configure: Regenerate with autoconf.
7034 * config.in: Regenerate with autoheader.
7036 * cpplib.c (quote_string): Cast first arg of sprintf call
7037 from "unsigned char *" to "char *".
7038 (output_line_command): Ditto.
7039 (macroexpand): Ditto.
7040 (do_line): Cast atoi arg from "unsigned char *" to "char *".
7042 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
7044 * version.c: Bump for snapshot.
7046 * Makefile.in (compare): Exit with nonzero status if there
7047 are comparison failures. Note which files failed the
7048 comparison test in .bad_compare.
7050 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7052 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
7054 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
7056 * Makefile.in (LN, LN_S): New macros, use where appropriate.
7057 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
7058 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
7059 * configure: Regenerated.
7061 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
7063 * loop.c (strength_reduce): Fix typo.
7065 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
7067 * m88k/m88k.c (struct option): Rename to struct options.
7068 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
7069 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
7070 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
7071 __DOLPHIN__ or sysV88.
7073 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
7075 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
7078 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
7080 * config.sub: Accept 'amigados' for backward compatability.
7082 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7084 * Makefile.in (testsuite/site.exp): New target.
7085 (check-gcc, check-g++): Depend on testsuite/site.exp.
7086 Don't stop for failure.
7088 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
7090 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
7091 if DWARF2_UNWIND_INFO.
7093 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
7095 Add support for exception handling using DWARF 2 frame unwind info.
7096 Currently works on SPARC and MIPS, and almost on x86.
7098 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
7099 next_stack_level, in_reg_window): Helper fns.
7100 (__throw): Implement for DWARF2_UNWIND_INFO.
7102 * expr.c (expand_builtin): Handle builtins used by __throw.
7103 * tree.h (enum built_in_function): Add builtins used by __throw.
7104 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
7105 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
7106 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
7107 (expand_builtin_extract_return_addr): Likewise.
7108 (expand_builtin_frob_return_addr): Likewise.
7109 (expand_builtin_set_return_addr_reg): Likewise.
7110 (expand_builtin_eh_stub): Likewise.
7111 (expand_builtin_set_eh_regs): Likewise.
7112 (eh_regs): Choose two call-clobbered registers for passing back values.
7114 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
7115 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
7116 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
7117 (stmp-multilib): Likewise.
7118 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
7120 * except.c: #include "defaults.h".
7121 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
7122 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
7123 (register_exception_table_p): New fn.
7124 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
7125 (end_eh_unwinder): Likewise.
7127 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
7128 call __register_frame and __deregister_frame as needed.
7129 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
7130 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
7131 EH_FRAME_SECTION_ASM_OP.
7132 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
7133 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
7134 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
7136 * dwarf2out.c (output_call_frame_info): If no support for
7137 EXCEPTION_SECTION, mark the start of the frame info with a
7139 * collect2.c (frame_tables): New list.
7140 (is_ctor_dtor): Recognise frame entries.
7141 (scan_prog_file): Likewise.
7142 (main): Pass -fno-exceptions to sub-compile. Also do collection
7143 if there are any frame entries.
7144 (write_c_file_stat): Call __register_frame_table and
7145 __deregister_frame as needed.
7146 (write_c_file_glob): Likewise.
7148 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
7149 Also require unaligned reloc support.
7150 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
7151 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
7152 * sparc/sysv4.h: Not here.
7154 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
7155 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
7156 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
7158 * libgcc2.c (L_eh): Reorganize, moving code shared by different
7159 EH implementations to the top.
7160 (find_exception_handler): Split out. Start from 0. Compare against
7162 (__find_first_exception_table_match): Use it.
7163 * except.c (output_exception_table): Don't do anything if there's
7164 no table. Don't output a first entry of zeroes.
7165 (eh_outer_context): Adjust properly.
7166 (add_eh_table_entry): Use xrealloc.
7167 * toplev.c (compile_file): Just call output_exception_table.
7169 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
7171 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
7173 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
7175 * except.c (eh_outer_context): Do masking using expand_and.
7177 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
7179 Add port done awhile ago for the ARC cpu.
7180 * arc/arc.h: New file.
7181 * arc/arc.c: New file.
7182 * arc/arc.md: New file.
7183 * arc/initfini.c: New file.
7184 * arc/lib1funcs.asm: New file.
7185 * arc/t-arc: New file.
7186 * arc/xm-arc.h: New file.
7187 * ginclude/va-arc.h: New file.
7188 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
7189 * ginclude/varargs.h: Likewise.
7190 * Makefile.in (USER_H): Add va-arc.h.
7191 * configure.in (arc-*-elf*): Recognize.
7192 * longlong.h: Add ARC support.
7194 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
7196 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
7197 when clearing non-BLKmode data.
7199 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
7201 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
7202 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
7204 * xm-m88k.h (USG): Only define if it hasn't already been defined.
7206 * Makefile.in (risky-stage1): Delete gratutious whitespace.
7208 * Makefile.in (clean): Delete libgcc1-test.
7210 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
7212 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
7214 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
7217 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7219 * dwarf2out.c (output_call_frame_info): Call named_section.
7221 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
7223 * haifa-sched.c (print_value): Fix last change.
7225 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
7227 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
7230 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
7232 * mips.c (function_prologue): Set up the CFA when ABI_32.
7234 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
7235 for dwarf2 unwind info.
7236 (output_function_prologue, sparc_flat_output_function_prologue): Same.
7238 * final.c (final_end_function): Check dwarf2out_do_frame instead
7239 of DWARF2_DEBUG for dwarf2 unwind info.
7240 (final_scan_insn): Likewise.
7241 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
7244 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
7247 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
7249 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
7251 * v850.h (ASM_SPEC): Pass on target processor.
7252 (CPP_PREDEFINES): Only define if not already specified.
7253 (TARGET_VERSION): Only define if not already specified.
7254 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
7256 (EXTRA_SWITCHES): Extra entries in the switches array.
7257 (TARGET_DEFAULT): Set default target processor.
7259 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
7261 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
7262 cases, add %# and %/, and add : to make them into extended asms.
7264 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
7266 * alias.c (init_alias_analysis): Clean up incompatible pointer
7267 type warning in bzero.
7268 * regmove.c (regmove_optimize): Ditto.
7269 * haifa-sched.c (find_rgns): Ditto.
7271 * haifa-sched.c (print_value): Clean up ptr->int cast
7274 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
7276 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
7277 * install.texi (Configurations): Ditto.
7278 * config.sub: Ditto.
7280 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
7282 * Makefile.in (sdbout.o): Depend on insn-config.h.
7284 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
7286 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
7287 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
7289 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
7291 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
7292 prologue insn, only the first elt is significant.
7293 (output_call_frame_info): For exception handling, always use 4-byte
7294 fields as specified by the dwarf2 spec.
7295 Don't skip trivial FDEs.
7297 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
7299 * version.c: Bump for snapshot.
7301 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
7303 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
7304 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
7307 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
7309 * final.c (shorten_branches): During first pass, assume worst
7310 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
7312 * Makefile.in (distclean): Remove various things left around
7313 by running the testsuite.
7315 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
7317 * configure.in (out_file): Emit definition to config.status in order
7318 to have a defined value for configure.lang.
7319 * configure: Re-built.
7321 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
7323 * configure.in: Make symlink to as-new rather than as.new. Similarly
7325 * configure: Rebuilt.
7327 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
7329 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
7331 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
7333 * sparc/sparc.md: Add ultrasparc scheduling support.
7334 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
7336 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
7338 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
7339 as initial value for real_label_map.
7340 (copy_for_inline): Likewise.
7342 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7344 * sched.c (update_flow_info) When looking if to set found_split_dest
7345 or found_orig_dest, look at all parts of a PARALLEL.
7346 * haifa-sched.c (update_flow_info): Likewise.
7348 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
7350 * v850: New directory for v850 port.
7351 * v850/lib1funcs.asm: New file.
7352 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
7353 * ginclude/va-v850.h: New file.
7354 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
7355 * configure.in (mn10200-*-*): New target.
7356 * configure: Rebuilt.
7357 * config.sub: Handle v850-elf.
7358 * Makefile.in (USER_H): Add va-mn10200.h.
7359 * invoke.texi: Document v850 stuff.
7361 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
7363 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
7364 has integer TYPE_{MAX,MIN}_VALUE before using them.
7366 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
7367 __HPUX_ASM__ versions.
7369 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
7371 * install.sh: Delete duplicate install script.
7373 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
7375 * reg-stack.c (subst_stack_regs): Pop the stack register for a
7376 computed goto which sets the same stack register.
7378 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
7379 destination are both on the regstack.
7380 (subst_stack_regs_pat): Put the destination at the top of the regstack.
7382 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
7384 * mips.md (nonlocal_goto_receiver): Define.
7386 * profile.c (output_arc_profiler): Check next_insert_after for non
7387 NULL before deferencing it.
7389 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
7391 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
7393 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
7395 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
7397 * toplev.c (rest_of_compilation): For passes starting with
7398 flow_analysis, use print_rtl_with_bb instead of print_rtl.
7400 * print-rtl.c (print_rtl_single): Print a single rtl value to a
7403 * flow.c (print_rtl_with_bb): Print which insns start and end
7404 basic blocks. For the start of a basic block, also print the live
7407 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
7409 * toplev.c (main): Change #elif to #else/#ifdef
7411 * tlink.c: Include ctype.h.
7412 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
7414 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
7416 * bitmap.c: Conditionally include stdlib.h.
7417 (free): Provide a declaration if NEED_DECLARATION_FREE.
7419 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
7421 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
7423 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
7425 * profile.c (output_arc_profiler): Verify next_insert_after is an
7426 INSN before and after skipping a stack pop.
7428 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7430 * final.c (shorten_branches): Don't count the lengths of deleted
7433 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
7435 * version.c: Bump for snapshot.
7437 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
7439 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
7440 two bitmaps ANDed together.
7441 (bitmap_print): Declare.
7443 * bitmap.c (function_obstack): Don't declare any more.
7444 (bitmap_obstack): Obstack for allocating links from.
7445 (bitmap_obstack_init): New static to say whether to initialize
7447 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
7448 (bitmap_release_memory): Free all memory allocated from
7451 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
7452 EXECUTE_IF_AND_IN_BITMAP.
7454 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
7456 * alias.c (true_dependence): Address with AND can alias scalars.
7457 (anti_dependence, output_dependence): Likewise.
7459 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
7461 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
7463 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
7464 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
7465 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
7466 definitions. Use -qrtems instead of -mrtems.
7468 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
7470 * xm-sco5.h (sys_siglist): Define.
7471 (SYS_SIGLIST_DECLARED): Likewise.
7473 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
7475 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
7477 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
7479 * except.c (eh_outer_context): Expand masking operation using
7482 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
7484 * alpha.md (floatdisf2-1): New pattern.
7486 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
7488 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
7489 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
7490 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
7491 * gcc.texi: Note that if you define sys_siglist that you should
7492 also define SYS_SIGLIST_DECLARED.
7494 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
7495 are relative to the next instruction, not the current instruction.
7497 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
7499 * local-alloc.c (contains_replace_regs): New function.
7500 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
7501 verify that there is no existing REG_EQUIV note, and add a call to
7502 contains_place_regs.
7504 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7506 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
7507 (STARTFILE_SPEC): Always use crtbegin.o%s
7508 (ENDFILE_SPEC): Always use crtend.o%s.
7510 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
7512 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
7514 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
7515 SFmode for 64 bit hosts.
7517 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
7519 * fixincludes: Permits spaces between # and define. Discard C++
7520 comments in sys/pci.h on HP/UX 10.20.
7522 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
7524 * version.c: Bump for snapshot.
7526 * pa.c (restore_unscaled_index_insn_codes): New function.
7527 (record_unscaled_index_insn_codes): Likewise.
7528 (output_function_prologue): Call restore_unscaled_index_insn_codes.
7529 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
7530 (pa_reorg): Call record_unscaled_index_insn_codes.
7532 * haifa-sched.c (move_insn): Handle notes correctly for insns
7533 with SCHED_GROUP_P set.
7535 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7537 * alpha/xm-linux.h (USE_BFD): Undef before define.
7539 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
7541 * cse.c (cse_insn): Don't record BLKmode values.
7543 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
7545 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
7547 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
7549 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
7550 * collect2.c (sys_errlist): Likewise.
7551 * cpplib.c (sys_errlist): Likewise.
7552 * gcc.c (sys_errlist): Likewise.
7553 * protoize (sys_errlist): Likewise.
7554 * configure.in: Check for strerror.
7555 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
7556 * xm-gnu.h (HAVE_STRERROR): Likewise.
7557 * xm-linux.h (HAVE_STRERROR): Likewise.
7558 * xm-netbsd.h (HAVE_STRERROR): Likewise.
7559 * xm-bsd386.h (HAVE_STRERROR): Likewise.
7560 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
7561 * xm-dos.h (HAVE_STRERROR): Likewise.
7562 * xm-mingw32.h (HAVE_STRERROR): Likewise.
7563 * xm-pa.h (HAVE_STRERROR): Likewise.
7564 * xm-papro.h (HAVE_STRERROR): Likewise.
7565 * xm-sysv4.h (HAVE_STRERROR): Likewise.
7566 * configure, config.in: Rebuilt.
7568 * Makefile.in: Add several missing "else true" clauses.
7570 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
7571 * mips-tfile.c: Likewise.
7572 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
7573 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
7574 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
7575 * configure.in: Check for sys_siglist declaration.
7576 * configure, config.in: Rebuilt.
7578 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
7580 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
7581 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
7582 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
7583 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
7584 * rs6000/sysv4.h (extra_subtarget_switches): Added new
7585 macro EXTRA_SUBTARGET_SWITCHES.
7586 * configure.in (sh*-*-rtems*): New target.
7587 * sh/rtems.h: New file.
7588 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
7589 * configure: Rebuilt.
7591 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
7593 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
7595 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
7597 * rs6000.md: Make DF fused-add operations pay attention to
7600 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
7602 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
7604 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
7606 * pa.md (reload_peepholes): Make sure operand is a REG before
7607 examining REGNO. Allow general registers too.
7609 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
7611 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
7613 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
7615 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
7616 to reallocate abbrev_die_table.
7618 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
7620 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
7622 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7624 * Makefile.in (config.status): Depend on version.c
7626 * expr.h (insn_gen_function): Reenable prototype.
7628 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
7631 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
7633 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
7635 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
7637 * version.c: Bump for latest snapshot.
7639 * bc-optab.c: Conditionally include stdlib.h.
7640 (free): Provide a declaration if NEED_DECLARATION_FREE.
7641 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
7642 * rtl.h (free): Remove declaration.
7643 * tree.h (free): Remvoe declaration.
7645 * configure: Rebuilt.
7647 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
7649 * flags.h (flag_move_all_movables): Declare.
7650 (flag_reduce_all_givs): Likewise.
7651 * loop.c (move_movables): Handle flag_move_all_movables.
7652 (strength_reduce): Handle flag_reduce_all_givs.
7653 * toplev.c (flag_move_all_movables): Define.
7654 (flag_reduce_all_givs): Likewise.
7655 (f_options): Add -fmove-all-movables and -freduce-all-givs.
7656 * invoke.texi: Document new options, including alias stuff that
7657 wasn't included last time.
7659 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
7661 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
7664 * t-vxworks68: Ditto.
7665 * t-vxworks960: Ditto.
7668 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
7670 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
7671 if not already defined, and USE_C_ALLOCA not defined.
7673 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
7675 * config.guess: Replace with script that uses ../config.guess.
7677 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
7678 if USE_GNULIBC_1 is not defined.
7680 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
7682 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
7683 * config.guess: Recognize alpha-linux-gnulibc1.
7684 * configure.in (alpha-*-linux-gnulibc1): New target.
7685 (alpha-*-linux-gnu*): Don't build crtbegin/end.
7687 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
7689 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
7692 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
7694 * loop.c (combine_movables): Earlier insns don't match later ones.
7696 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7698 * config/linux.h (CC1_SPEC): Define it only if not defined.
7700 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
7703 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
7704 USE_GNULIBC_1 is not defined.
7706 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
7708 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
7709 as 1 if USE_GNULIBC_1 is not defined.
7711 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
7713 * reorg.c (dbr_schedule): Allow current_function_return_rtx
7714 to be something other than a REG.
7715 * function.c (expand_function_end): Fix current_function_return_rtx
7718 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
7719 * x-netbsd: Likewise
7720 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
7721 (INSTALL_HEADERS): Delete.
7722 * x-dguxbcs: Likewise.
7723 * x-hp3bsd44: Likewise
7726 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7728 * i386.md (pop): pop increments the stack pointer.
7729 (prologue_set_stack_ptr): New pattern.
7730 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
7733 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
7735 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
7736 address where an offsettable address is required.
7738 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
7740 * loop.c (check_final_value): Don't miss a biv increment in a
7743 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
7745 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
7746 TYPE_DECL_IS_STUB instead of DECL_NAME.
7748 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7750 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
7752 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
7754 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
7756 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
7758 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
7759 (find_post_sched_live): Likewise.
7761 * haifa-sched.c (schedule_block): Remove old code to get arguments
7762 from hard regs into pseudos early.
7764 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
7766 * version.c: Bump for new snapshot.
7768 * local-alloc.c (update_equiv_regs): All the target to reject
7769 promotion of some REG_EQUAL to REG_EQUIV notes.
7770 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
7772 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
7775 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
7776 store of the argument registers.
7778 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
7780 * fold-const.c (multiple_of_p): New function.
7781 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
7783 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
7785 * expr.h (insn_gen_function): Temporarily remove prototype.
7787 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
7789 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
7790 filenames. Use sed to extract base filename for install.
7792 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
7794 * unroll.c (find_splittable_givs): Only share if two givs have the
7795 same add and multiply values.
7797 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
7799 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
7800 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
7802 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
7804 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
7805 around branch tables.
7806 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
7807 and .end_brtab directives if TARGET_GAS.
7809 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
7811 * alias.c (true_dependence): Pass x_addr not x to varies.
7813 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
7814 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
7815 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
7817 * config.in, configure: Regenerate.
7819 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
7821 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
7823 (record_set): Handle LO_SUM like PLUS.
7824 (init_alias_analysis): When following chains of base addresses,
7825 do not stop on reaching a hard register.
7827 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
7829 * version.c: Bump for new snapshot.
7831 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
7833 * alpha.h (ARCH_ASM_FILE_START): Define.
7834 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
7835 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
7837 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
7839 * Makefile.in (install-common): Put gcov comment at start of line.
7841 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
7843 * alias.c (init_alias_analysis): When simplifying the reg_base_value
7844 array, simplify entries for hard registers too.
7846 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
7848 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
7851 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
7853 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
7854 block_stack before dereferencing it.
7856 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
7858 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
7860 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
7862 * cplus-dem.c: Add 'extern' to prepends_underscore.
7864 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
7866 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
7867 (get_issue_rate): Delete.
7868 * pa.h (ISSUE_RATE): Define.
7870 * configure.in: Turn on haifa by default for the PA.
7871 * configure: Rebuilt.
7872 * pa.c (override_options): Accept -mschedule=7200 option.
7873 (pa_adjust_cost): No longer need to scale costs for newer
7875 * pa.h (enum processor_type): Add PROCESSOR_7200.
7876 * pa.md: Revamp scheduling parameters to work better with
7877 haifa. Add scheduling parameters for the 7200.
7879 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
7881 (schedule_block): When adjusting basic_block_{head,end}, account
7882 for movement of SCHED_GROUP_P insns too.
7884 * haifa-sched.c (debug_dependencies): Fix thinko.
7886 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
7887 (site.exp, check, check-g++, check-gcc): New targets.
7889 * haifa-sched.c: Make lots of variables static.
7891 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7893 * expr.h, real.h: Finish prototyping.
7895 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
7897 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
7898 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
7899 * reload1.c: Undo bugfix from Aug 11.
7901 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
7903 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
7904 quotes around the name.
7905 * configure: Regenerate.
7907 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
7909 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
7911 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
7913 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
7914 to sub-makes to avoid building more passes than the user might have
7915 requested on the command line.
7917 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
7919 * configure.in: Expurgate `broken_install' (install is
7922 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
7925 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
7927 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
7928 functions and declarations.
7929 (analyze_loop_iterations): Use condjump_p.
7930 (insert_bct): Likewise. Use exact_log2.
7932 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
7934 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
7935 (schedule_region): Likewise.
7936 (schedule_insns): Likewise.
7938 * PROJECTS: Update with Haifa stuff.
7940 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
7942 * version.c: Change the version string to look like:
7943 egcs-2.90.00 970814 (gcc2-970802 experimental).
7945 * loop.c (is_conditional_branch): Make definition match declaration.
7947 * gcc.c: Take out experimental snapshot warning message.
7949 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
7951 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
7952 print out the names of the notes. Print out the name of the insn
7953 that is not a note, and not an {,CALL_,JUMP_}INSN.
7955 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
7957 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
7958 again for the slot after we give it RTL.
7960 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
7962 * configure.in (haifa configury): Fix typo.
7963 * configure: Regenerate.
7965 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
7967 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
7969 * gcc.info*: Rebuilt.
7971 * COPYING.g77, README.g77: New files.
7972 * real.c (ereal_unto_float, ereal_unto_double): New functions.
7973 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
7974 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
7976 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
7978 * Integrate Haifa instruction scheduler.
7979 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
7980 to sched with $(SCHED_CFLAGS.
7981 * configure.in: Handle --enable-haifa.
7982 * configure: Rebuilt.
7983 * flags.h: Add new flags for haifa instruction scheduler.
7984 * genattrtab.c (expand_units): For haifa, don't subtract one
7985 when computing blockage.
7986 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
7987 (flag_schedule_speculative): Ditto.
7988 (flag_schedule_speculative_load): Ditto.
7989 (flag_schedule_speculative_load_dangerous): Ditto.
7990 (flag_schedule_reverse_before_reload): Ditto.
7991 (flag_schedule_reverse_after_reload): Ditto.
7992 (flag_branch_on_count_reg): Ditto.
7993 (f_options): Add Haifa switches.
7994 (main): Turn off some Haifa options if appropriate macro is
7995 defined. Process Haifa switches.
7996 * unroll.c (iteration_info): No longer static, since Haifa
7998 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
7999 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
8000 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
8001 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
8002 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
8003 storage for the Haifa scheduler.
8004 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
8006 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
8007 are defined, call analyze_loop_iterations and insert_bct to use
8009 (record_giv): Refine test for jumps out of loops if HAIFA is
8011 (analyze_loop_iterations): New function to identify if we can use
8013 (insert_bct): Insert countdown loop.
8014 (instrument_loop_bct): Low level code to insert countdown loop.
8015 (loop_number): Calculate UID of loop.
8016 (indirect_jump_in_function_p): Return true if an indirect jump is
8018 (is_power_of_2): Return true if value is a power of 2.
8019 (is_conditional_branch): Return true if insn is a conditional
8021 (fix_bct_param): Process -fbct-{min,max}-N switches.
8022 (check_bct_param): Return true if loop should be instrumented.
8023 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
8024 (loop_optimize): Initialize.
8025 (get_condition_for_loop): Ditto.
8026 * loop.c (strength_reduce): Inside of code that uses #ifdef
8027 HAVE_decrement_and_branch_on_count code, test it to make sure the
8029 (instrument_loop_bct): Ditto.
8030 * haifa-sched.c: New file.
8033 * Integrate regmove pass.
8034 * Makefile.in (OBJS): Add regmove.o
8035 (regmove.o): Add dependencies.
8036 * flow.c (find_use_as_address): No longer static.
8037 * rtl.h (find_use_as_address): Declare.
8038 * toplev.c (regmove_dump, flag_regmove): Define.
8039 (f_options): Add -fregmove.
8040 (regmove_dump_file, regmove_time): Define.
8041 (fatal_insn): Close the regmove dump file.
8042 (compile_file): Initialize regmove_time; open/close the regmove dump
8043 file as needed. Print regmove time as needed.
8044 (rest_of_compilation): Run regmove pass if requested, dump
8045 RTL after regmove if requested.
8046 (main): If -O2 or more, turn on regmove. Handle dump switches.
8047 * regmove.c: New file.
8049 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
8051 * Integrate tlink patch from jason@cygnus.com
8052 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
8053 (process_command): Increment n_switches for them. Don't discard
8054 their args. Validate them.
8055 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
8057 (process_command): Set include_prefixes from COMPILER_PATH.
8058 (main): Set COLLECT_GCC_OPTIONS sooner.
8059 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
8060 * tlink.c, hash.c, hash.h: New files.
8061 * Makefile.in (USE_COLLECT2): Always use collect2.
8062 (collect2): Depend on and link in hash.o and tlink.o.
8063 (tlink.o, hash.o): Add dependencies.
8065 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
8067 * Integrate alias analysis changes from jfc@mit.edu
8068 * Makefile.in (OBJS): Add alias.o
8069 (alias.o): Add dependencies.
8070 * alias.c: New file.
8071 * sched.c: Remove alias analysis code. It lives in alias.c now.
8072 (sched_analyze_2): Add new arguments to true_dependence.
8073 (schedule_insns): Always call init_alias_analysis.
8074 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
8075 mark return value from such functions as a pointer and keep track of
8076 them for alias analysis. If a return value from a function is a
8077 pointer, mark it as such.
8078 * combine.c (distribute_notes): Handle REG_NOALIAS.
8079 * cse.c (struct write_data): Delete. No longer needed.
8080 (invalidate): Don't call set_nonvarying_address_components anymore.
8081 Use true_dependence to decide if an entry should be removed from
8083 (invalidate_memory): Remove WRITES argument, simplify appropriately.
8085 (note_mem_written): Similarly for WRITE_PTR argument.
8086 (invalidate_from_clobbers): Similarly for W argument.
8087 (invalidate_for_call): Remove memory elements from the hash table.
8088 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
8089 (cse_rtx_varies_p): New function. Derived from old
8090 cse_rtx_addr_varies_p.
8091 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
8092 Don't call note_mem_written anymore. Stack pushes invalidate the stack
8093 pointer if PUSH_ROUNDING is defined. No longer need to call
8094 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
8095 (skipped_writes_memory): Remove variable.
8096 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
8097 (invalidate_skipped_block): Simplify for new alias analysis code.
8098 (cse_set_around_loop): Likewise.
8099 (cse_main): Call init_alias_analysis.
8100 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
8101 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
8102 (f_options): Add new alias checking arguments.
8103 (main): Set flag_alias_check when optimizing.
8104 * local_alloc (validate_equiv_mem_from_store): Add new arguments
8106 (memref_referenced_p): Likewise.
8107 * loop.c (NUM_STORES): Increase to 30.
8108 (prescan_loop): Only non-constant calls set unknown_address_altered.
8109 (invariant_p): Add new arguments to true_dependence.
8110 (record_giv): Initialize unrolled and shared fields.
8111 (emit_iv_add_mult): Call record_base_value as needed.
8112 * loop.h (struct induction): Add unrolled and shared fields.
8113 * unroll.c (unroll_loop): Call record_base_value as needed.
8114 (copy_loop_body): Likewise.
8115 (final_biv_value): Likewise.
8116 (final_giv_value): Likewise.
8117 (find_splittable_regs): Likewise. Only create one new pseudo
8118 if we have multiple address GIVs that were combined with the same
8119 dst_reg GIV. Note when a new register is created due to unrolling.
8120 * rtl.c (reg_note_name): Add REG_NOALIAS.
8121 * rtl.h (enum reg_note): Similarly.
8122 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
8123 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
8124 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
8125 (true_dependence, read_dependence, anti_dependence): Likewise.
8126 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
8127 (mark_user_reg, mark_reg_pointer): Likewise.
8130 * Integrate reload bugfix from Wilon which enables the PA port
8132 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
8133 OPERAND_ADDRESS when computing how many registers an insn needs.
8134 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
8136 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
8138 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
8139 in reload_reg_use_in_op_addr do not reach the end.
8140 do not reach the end.
8141 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
8142 RELOAD_FOR_OPERAND_ADDRESS.
8144 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
8146 * egcs project officially starts.