1 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
3 * Makefile.in (compare, gnucompare): Add missing else true clauses.
5 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
7 * alpha.md (builtin_longjmp): Add missing "DONE".
9 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
11 * gcc.c (execute): Enable -pipe with win32.
13 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
15 * config/arm/t-arm-elf: Add multiplib option for leading
18 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
19 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
21 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
22 than variable 'reload_address_base_reg_class'. [Note this
23 change is unrelated to the others in this patch].
25 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
28 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
30 * alias.c (record_alias_subset): Remove ignored `&'.
31 (init_alias_once): Likewise.
33 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
35 * config/mips/mips.c (mips_asm_file_end): Cast the result of
36 fwrite to `int' when comparing against one.
38 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
39 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
41 * cse.c (rehash_using_reg): Change type of variable `i' to
44 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
47 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
49 * final.c (final_scan_insn): Likewise for variable `i'.
50 (output_asm_insn): Cast a char to unsigned char when used as an
53 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
56 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
58 * recog.c (preprocess_constraints): Cast a char to unsigned char
59 when used as an array index.
61 * regmove.c (find_matches): Likewise.
63 * reload1.c (calculate_needs): Add default case in switch.
64 (eliminate_regs_in_insn): Initialize variable `offset'.
65 (set_offsets_for_label): Change type of variable `i' to unsigned.
66 (reload_as_needed): Wrap variable `i' in macro check on
67 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
69 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
70 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
71 when comparing against one.
73 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
74 unsigned when comparing against one. Likewise for
76 (layout_record): Cast record_align to int when comparing against a
78 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
81 * tree.c (get_identifier): Cast variable `len' to unsigned when
82 comparing against one.
83 (maybe_get_identifier): Likewise
85 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
87 * toplev.c (rest_of_compilation): Do not set reload_completed.
88 * reload1.c (reload): Set reload_completed before calling
89 cleanup_subreg_operands.
91 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
93 * reload1.c (emit_reload_insns): Check `set' not null before use.
95 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
97 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
100 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
102 * halfpic.c (half_pic_encode): Delete redundant code.
104 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
106 * toplev.c (main): Delete handling of -dM as a preprocessor
109 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
111 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
112 -dI, which are handled by the preprocessor.
114 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
116 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
117 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
119 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
121 * version.c: Bump for snapshot.
123 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
125 * version.c: Bump for snapshot.
127 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
129 * version.c: Bump for snapshot.
131 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
133 * genattr.c (fatal): Qualify a char* with the `const' keyword.
135 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
136 write_unit_name, write_eligible_delay, expand_units,
137 make_length_attrs, write_attr_case, find_attr,
138 make_internal_attr): Likewise.
139 * gencheck.c (tree_codes): Likewise.
140 * gencodes.c (fatal): Likewise.
141 * genconfig.c (fatal): Likewise.
142 * genemit.c (fatal): Likewise.
143 * genextract.c (fatal, walk_rtx, copystr): Likewise.
144 * genflags.c (fatal): Likewise.
145 * genopinit.c (fatal, optabs, gen_insn): Likewise.
146 * genoutput.c (fatal, error, predicates): Likewise.
147 * genpeep.c (fatal): Likewise.
148 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
149 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
151 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
153 * configure.in (with-fast-fixincludes): Fix whitespace.
154 * configure: Rebuilt.
156 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
157 asm() etc. function declarations in __DECC.
159 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
161 * expr.c (emit_move_insn_1): Only emit a clobber if the target
162 is a pseudo register.
164 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
166 * gcse.c: Include expr.h in order to get the prototype for
167 get_condition() which is used in delete_null_pointer_checks().
169 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
171 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
173 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
175 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
176 (ALL_CFLAGS): Delete SCHED_CFLAGS.
178 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
180 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
183 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
185 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
186 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
187 optimizations from the combiner.
189 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
191 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
193 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
195 * toplev.c (main): Disable optimize_size if a specific
196 optimization level is requested. Always set optimization
197 level to 2 if -Os is specified.
199 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
201 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
203 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
204 initialize it using fname.
206 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
208 * cpplib.c (do_include): Treat #include_next in the
209 primary source file as #include plus warning. Treat
210 #include_next in a file included by absolute path as an
211 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
213 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
215 * cccp.c: Don't define MIN/MAX anymore.
216 * cpplib.c: Likewise.
217 * machmode.h: Likewise.
218 * system.h: Provide definitions for MIN/MAX.
220 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
222 * fix-header.c: Don't define xstrdup here.
224 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
226 * loop.c (consec_sets_giv): New argument last_consec_insn.
227 (strength_reduce): Provide / use it.
229 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
231 * loop.h (loop_info): New field 'vtop'.
232 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
233 scanning loop for vtop.
234 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
235 (loop_iterations): Use them to determine if loop has a constant
236 number of iterations. Set loop_info->vtop. Don't subtract
237 common reg term from initial_value and final_value if have a
240 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
242 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
244 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
246 * mn10200.md (abssf2, negsf2): New expanders.
248 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
250 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
252 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
253 replaced by a CONCAT whoes components do not have the same
254 mode as the original SUBREG, use a new SUBREG to restore the
257 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
258 multiword complex values.
260 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
262 * cppalloc.c: Add xstrdup here.
263 * cpplib.h: Remove savestring prototype.
264 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
266 * cppfiles.c: s/savestring/xstrdup/ throughout.
268 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
270 * cpplib.c: Make all directive handlers read their own
272 (struct directive): Remove last two arguments from FUNC
273 member prototype. Remove `command_reads_line' member
275 (directive_table): Remove initializations of
276 command_reads_line flag. Pretty-print.
277 (eval_if_expression, do_define, do_line, do_include,
278 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
279 do_else, do_elif, do_sccs, do_assert, do_unassert,
280 do_warning): Take only two args.
282 (cpp_define): Call do_define with two args and the text to
283 define stuffed into a buffer.
284 (make_assertion): Call do_assert with two args.
285 (handle_directive): Call do_line with two args. Call
286 kt->func with two args. Remove command_reads_line
288 (do_define, do_undef, do_error, do_warning, do_pragma,
289 do_sccs): Read the rest of the line here.
290 (do_ident): Gobble rest of line, as cccp does.
291 (cpp_undef): New function.
292 (cpp_start_read): Call cpp_undef instead of do_undef.
294 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
296 * cpphash.h (union hash_value): Remove `keydef' member, add a
297 `struct hashnode *aschain' member for #assert.
299 * cpplib.c (struct tokenlist_list, struct
300 assertion_hashnode): Delete structure definitions.
301 (assertion_install, assertion_lookup, delete_assertion,
302 check_assertion, compare_token_lists, reverse_token_list,
303 read_token_list, free_token_list): Delete functions.
304 (parse_assertion): New function.
305 (cpp_cleanup): Don't destroy the assertion_hashtable.
307 (do_assert): Gut and rewrite. #assert foo (bar) places
308 entries for `#foo' and `#foo(bar)' in the macro hash table,
309 type T_ASSERT. The value union's `aschain' member is used
310 to chain all answers for a given predicate together.
311 (do_unassert): Also rewritten. Take an un-asserted
312 answer off the chain from its predicate and call
313 delete_macro on the hashnode, or walk a predicate chain
314 calling delete_macro on all the entries.
315 (cpp_read_check_assertion): Simply call parse_assertion to
316 get the canonical assertion name, and look that up in the
319 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
322 * cpphash.c (install): Use bcopy instead of an explicit loop
323 to copy the macro name.
325 * cppexp.c (cpp_lex): Convert the result of
326 cpp_read_check_assertion to a `struct operation' directly;
327 don't go through parse_number.
329 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
331 * loop.h (struct induction): Delete times_used member.
332 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
333 (n_times_used): Rename to n_times_set. Changed all users.
334 (scan_loop): Free reg_single_usage before strength reduction.
335 (record_giv, combine_givs): Remove handling of times_used member.
336 (combine_givs_used_once): Rename to:
337 (combine_givs_used_by_other) . Changed all callers.
339 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
341 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
342 instead of TREE_CODE_CLASS == 't'.
343 (gen_type_die): Likewise.
344 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
346 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
348 * real.c (endian): Disable last change unless
349 HOST_BITS_PER_WIDE_INT is greater than 32.
351 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
353 * output.h (force_data_section): New prototype.
354 * varasm.c (force_data_section): New function to force the
355 data section, regardless of what in_section thinks.
356 * dwarf2out.c (output_call_frame_info): Call force_data_section
357 since varasm may not realize we've changes sections.
359 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
361 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
362 after completeing reload.
364 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
365 deleted after reload.
367 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
369 * rtl.h (multiple_sets): Fix prototype.
370 * rtlanal.c (multiple_sets): Fix return type.
372 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
374 * version.c: Bump for snapshot.
376 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
378 * version.c: Bump for snapshot.
380 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
382 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
384 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
386 * rtl.h (recompute_reg_usage): Add second argument.
387 * flow.c (recompute_reg_usage): Likewise.
388 * toplev.c (rest_of_compilation): Supply second argument to
391 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
394 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
396 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
397 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
398 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
401 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
403 * rtlanal.c (multiple_sets): New function.
404 * rtl.h (multiple_sets): Declare it.
405 * local-alloc.c (wipe_dead_reg): Use it.
406 * global.c (global_conflicts): Likewise.
408 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
410 * global.c (record_conflicts): Don't use an array of shorts to
411 store an array of ints.
412 (global_conflicts): Likewise.
414 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
416 * alpha.c (alpha_expand_block_move): mode_for_size expects
417 bits, not bytes. Infer extra alignment from addressof.
419 1998-12-11 Michael Meissner <meissner@cygnus.com>
421 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
422 .sbss section, not .sdata.
424 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
426 * cccp.c: Do not #include <sys/stat.h> here; this is already done
428 * collect2.c: Likewise.
429 * cpplib.h: Likewise.
432 * getpwd.c: Likewise.
433 * protoize.c: Likewise.
434 * toplev.c: Likewise.
436 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
437 and don't try to define it here.
438 * Makefile.in (cppmain.o): Depend on machmode.h.
439 (cpplib.o): Likewise.
440 (cpperror.o): Likewise.
441 (cppexp.o): Likewise.
442 (cppfiles.o): Likewise.
443 (cpphash.o): Likewise.
444 (cppalloc.o): Likewise.
445 (fix-header.o): Likewise.
446 (scan-decls.o): Likewise.
448 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
450 * sh.c (print_operand): lookup interrupt_handler attribute instead
451 of relying on static variable.
452 * (calc_live_regs): Likewise.
453 * (sh_pragma_insert_attributes): Create interrupt_handler
454 attribute if a pragma was specified
455 * (sh_valid_machine_decl_attribute): Don't set static flag.
456 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
458 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
460 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
461 to determine if a register is live at a jump destination.
462 Everything is dead at a BARRIER.
464 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
466 * cse.c (simplify_unary_operation): Sign-extend constants when
467 they have the most significant bit set for the target.
468 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
470 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
471 HOST_WIDE_INT temporary before negating it.
472 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
474 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
476 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
479 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
481 * collect2.h: New header file for prototypes.
483 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
485 * collect2.c: Include collect2.h.
488 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
490 * flow.c: Update some comments.
492 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
494 * objc/objc-act.c (cpp_initialized): Removed.
495 (lang_init_options): Initialize cpplib.
496 (lang_decode_option): Move initialization of cpplib to
498 * c-lang.c: (parse_options,parse_in): Added.
499 (lang_init_options): Initialized cpplib here.
500 * c-decl.c (parse_options,cpp_initialized): Removed.
501 (c_decode_option): Move initialization of cpplib to
504 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
506 * reload1.c (reload_combine, reload_combine_note_store):
507 Make STORE_RUID always valid.
508 (reload_combine): Check if BASE is clobbered too early.
510 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
512 * reload.c (find_reloads): Display the insn that cannot be
515 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
517 * cccp.c (create_definition): Fix end of bufer logic.
519 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
521 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
522 pointer parameters changed to use the PARAMS() macro.
524 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
526 * except.h (struct handler_info): Add handler_number field.
527 * except.c (gen_exception_label): EH labels no longer need to be
528 on the permanent obstack.
529 (get_new_handler): Set the label number field.
530 (output_exception_table_entry): Regenerate handler label reference
531 from the label number field.
532 (init_eh): Remove a blank line.
533 * integrate.c (get_label_from_map): Labels no longer need to be
534 on the permanent obstack.
536 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
538 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
539 only when OUTER_CODE is SET.
541 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
543 * loop.c (strength_reduce): If scan_start points to the loop exit
544 test, be wary of subversive use of gotos inside expression statements.
545 Don't set maybe_multiple for a backward jump that does not
546 include the label under consideration into its range.
547 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
549 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
551 * explow.c (plus_constant_wide): Don't immediately return with
552 result of recursive call.
554 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
556 * eh-common.h (struct eh_context): Add table_index for rethrows.
558 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
559 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
560 processed when inlined or unrolled (ie duplicated in some way).
562 * rtl.c (reg_note_name): Add strings for new reg_note enums.
564 * expr.h (rethrow_libfunc): New library decl.
566 * optabs.c (rethrow_libfunc): Initialize.
568 * except.h (struct eh_entry): Add new field 'rethrow_label'.
569 (new_eh_region_entry): No longer exported from except.c.
570 (duplicate_handlers): Renamed to duplicate_eh_handlers and
572 (rethrow_symbol_map, rethrow_used): New exported functions.
573 (eh_region_from_symbol): New exported function.
575 * except.c (create_rethrow_ref): New function to create a single
576 SYMBOL_REF for a rethrow region.
577 (push_eh_entry): Initialize a rethrow ref.
578 (func_eh_entry): Add a rethrow_label field.
579 (new_eh_region_entry): Make static, and initialize the rethrow entry.
580 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
581 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
582 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
583 a region into an appropriate new symbol.
584 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
585 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
586 (end_catch_handler): Emit a barrier for new-exceptions since
587 control can never drop through the end of a catch block.
588 (expand_end_all_catch): new-exceptions never fall through a catch
590 (expand_rethrow): use __rethrow routine for new exceptions.
591 (output_exception_table_entry): Generate rethrow labels, if needed.
592 (output_exception_table): Generate start and end rethrow labels.
593 (init_eh): Create rethrow symbols for beginning and end of table.
594 (scan_region): Don't eliminate EH regions which are the targets of
597 * flow.c (make_edges): Add different edges for rethrow calls,
598 identified by having the REG_EH_RETHROW reg label.
599 (delete_unreachable_blocks): Don't delete regions markers which are
600 the target of a rethrow.
602 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
603 allow save_for_inline_copying to call duplicate_eh_handlers.
604 (save_for_inline_copying): Call duplicate_eh_handlers instead of
605 exposing internal details of exception regions.
606 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
607 (expand_inline_function_eh_labelmap): New callback routine to
608 allow expand_inline_function to call duplicate_eh_handlers.
609 (expand_inline_function): Call duplicate_eh_handlers instead of
610 exposing internal details of exception regions.
611 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
614 * libgcc2.c (find_exception_handler): Generalize to enable it to
615 pick up processing where it left off last time for a rethrow.
616 (__unwinding_cleanup): New function. debug hook which is called before
617 unwinding when __throw finds there is nothing but cleanups left.
618 (throw_helper): Common parts of __throw extracted out for reuse.
619 (__throw): Common parts moved to throw_helper.
620 (__rethrow): New function for performing rethrows.
622 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
624 * reload1.c (current_function_decl): Tweak declaration.
626 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
628 * c-decl.c (flag_isoc9x): Default off.
629 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
630 * cccp.c (print_help, main): Likewise.
631 * gcc.c (default_compilers): Update for -std=gnu*.
633 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
635 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
636 * demangle.h: Deleted.
638 * reload1.c (current_function_decl): Declare.
640 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
642 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
644 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
646 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
648 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
650 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
652 * configure: Rebuilt.
653 * system.h: If the *_unlocked functions are available use them
654 instead of the locked counterparts by defining macros.
655 * config.in: Regenerated.
657 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
659 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
660 wrong and should only be used for dump related things, not
661 debugging information, instead main_input_filename should be used.
662 Also, reuse output_file_directive if possible.
663 * i386/aix386ng.h (ASM_FILE_START): Likewise.
664 * i386/isc.h (ASM_FILE_START): Likewise.
665 * i386/win-nt.h (ASM_FILE_START): Likewise.
666 * i386/sun386.h (ASM_FILE_START): Likewise.
668 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
670 * configure.in (mips*-*-linux*): Handle big and little endian
672 * configure: Rebuilt.
674 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
676 * emit-rtl.c: Fix typo.
678 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
680 * reload1.c (eliminate_regs): Don't do anything, if we're not
683 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
685 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
687 * mips/mips.c (mips_select_section): Add comment.
689 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
691 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
692 characters in file names in #line to be consistent with #include
693 handling. We support escape prcessing in the # 1 "..." version of
694 the command. See also support in cp/lex.c.
695 (handle_directive): Likewise.
698 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
700 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
701 so it'll work on non-ASCII platforms. Always consider $ an
702 identifier character. Take no arguments.
703 (cpp_reader_init): Call initialize_char_syntax with no
705 (cpp_start_read): Don't call initialize_char_syntax again.
706 Clear is_idchar['$'] and is_idstart['$'] if not
707 opts->dollars_in_ident.
709 * cpplib.h (struct cpp_reader): Replace void *data element by
710 cpp_options *opts. Rearrange elements to make gdb printout
711 less annoying (put buffer stack at end).
712 (CPP_OPTIONS): Get rid of now-unnecessary cast.
714 * cppmain.c: s/data/opts/ when initializing cpp_reader
716 * c-decl.c: Likewise.
717 * objc/objc-act.c: Likewise.
718 * fix-header.c: Likewise.
720 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
722 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
723 with a struct file_name_list pointer.
724 (struct cpp_reader): Add pointer to chain of `actual
725 directory' include searchpath entries.
726 (struct file_name_list): Add *alloc pointer for the sake of
727 the actual-directory chain.
729 Move definition of HOST_WIDE_INT here.
730 (cpp_parse_escape): Change prototype to match changes in
733 * cppfiles.c (actual_directory): New function.
734 (finclude): Use it to initialize the buffer's actual_dir
736 (find_include_file): We don't need to fix up max_include_len
739 * cpplib.c (do_include): Don't allocate a file_name_list on
740 the fly for current directory "" includes, use the one that's
741 been preallocated in pfile->buffer->actual_dir. Hoist out
742 duplicate code from the search_start selection logic.
743 (cpp_reader_init): Initialize pfile->actual_dirs.
745 Remove definition of HOST_WIDE_INT. Change calls
746 to cpp_parse_escape to match changes in cppexp.c (note
747 hardcoded MASK, which is safe since this is the source
750 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
751 to handle wide character constants in #if directives. The
752 function now returns a HOST_WIDE_INT, and takes a third
753 argument which is a binary mask for all legal values (0x00ff
754 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
755 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
756 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
758 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
760 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
762 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
764 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
765 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
766 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
768 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
770 * final.c (output_asm_name): Use tabs to seperate comments from
773 Include instruction lengths (if defined) in output.
775 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
777 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
778 in the loop_info structure.
780 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
782 * configure.in: (arm*-*-ecos-elf): New target.
783 * configure: Regenerated.
784 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
785 * config/arm/ecos-elf.h: New file.
786 * config/arm/unknown-elf.h (TARGET_VERSION): Check
789 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
791 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
793 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
795 * version.c: Bump for snapshot.
797 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
799 * loop.c (check_dbra_loop): New argument loop_info. Update fields
802 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
804 * version.c: Bump for snapshot.
806 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
808 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
809 compressed reports are ok and preferred over URLs
811 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
813 * invoke.texi (Warning Options): Soften the tone of -pedantic
815 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
817 * print-rtl.c (print_rtx): Add prototype.
819 * unroll.c (iteration_info): Make it static.
821 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
823 * alias.c (memrefs_conflict_p): A second ANDed address
824 disables the aligned address optimization.
826 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
828 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
831 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
833 * i960.h (BOOL_TYPE_SIZE): Define.
835 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
837 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
838 from old valid_parallel_operands_4.
839 (valid_parallel_operands_4): Check that operands for 4 operand
840 parallel insns are valid, excluding load/store insns.
841 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
842 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
843 valid_parallel_load_store instead of valid_parallel_operands_4.
844 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
845 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
846 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
847 *notqi_movqi_clobber): Use valid_parallel_operands_4.
848 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
849 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
850 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
852 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
854 * config/c4x/c4x.c (iteration_info): Delete extern.
856 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
858 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
860 * final.c (cleanup_subreg_operands): Delete some unused code.
862 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
863 (struct insn_alternative): New structure definition.
864 (recog_op_alt): Declare variable.
865 (preprocess_constraints): Declare function.
866 * recog.c (recog_op_alt): New variable.
867 (extract_insn): Verify number of alternatives is in range.
868 (preprocess_constraints): New function.
869 * reg-stack.c: Include recog.h.
870 (constrain_asm_operands): Delete.
871 (get_asm_operand_lengths): Delete.
872 (get_asm_operand_n_inputs): New function.
873 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
874 N_OUTPUTS args. All callers changed.
875 Compute number of inputs and outputs here by calling
876 get_asm_operand_n_inputs.
877 Instead of constrain_asm_operands, call extract_insn,
878 constrain_operands and preprocess_constaints. Use information
879 computed by these functions throughout.
880 (record_reg_life): Delete code that is unused due to changes in
882 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
883 N_INPUTS and N_OUTPUTS args. All callers changed.
884 Similar changes as in record_asm_reg_life.
885 (subst_stack_regs): Move n_operands declaration into the if statement
887 Delete code that is unused due to changes in subst_asm_stack_regs.
888 * stmt.c (expand_asm_operands): Verify number of alternatives is in
890 * Makefile.in (reg-stack.o): Depend on recog.h.
892 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
894 * except.c (set_exception_version_code): Argument is an "int".
896 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
898 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
899 * configure: Rebuilt.
901 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
903 * configure.in (mipsel-*-linux*): New target.
904 * mips/linux.h: New file, based on other Linux targets.
906 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
908 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
909 runs in the context of the deleter, not the deletee, so we must
910 use taskVarGet to find the correct memory to free.
911 (__gthread_key_create): Initialize the task
912 variable subsystem so that the task variable is still active when
913 the delete hook is run.
915 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
917 * pdp11.h: Use optimize_size for space optimizations.
919 * pdp11.md: Likewise.
921 * pdp11.h (TARGET_40_PLUS): Fix typo.
923 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
925 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
928 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
930 * alias.c (addr_side_effect_eval): New function.
931 (memrefs_conflict_p): Use it.
932 * rtl.h (addr_side_effect_eval): Prototype it.
934 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
936 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
938 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
940 * reload.c (find_reloads): When force const to memory, put result
941 in substed_operand not *recog_operand_loc.
943 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
945 * c-lex.c: Fix indentation from last patch.
946 Remove trailing whitespace.
949 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
951 * flow.c (delete_block): Call set_last_insn after we have reset
952 NEXT_INSN (kept_tail).
954 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
956 * mips.md (trap_if): Use "$0" for the value zero.
958 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
959 Stephen L Moshier <moshier@world.std.com>
960 Richard Henderson <rth@cygnus.com>
962 * c-common.c (declare_function_name): Declare predefinied variable
965 * c-decl.c (flag_isoc9x): Set to 1 by default.
966 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
967 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
969 * c-parse.in: Allow constructors in ISO C 9x.
970 Rewrite designator list handling.
971 Allow [*] parameters.
972 Don't warn about comma at end of enum definition for ISO C 9x.
974 * cccp.c (c9x): New variable.
975 (rest_extension): New variable.
976 (print_help): Document new -std= option.
977 (main): Recognize -std= option. Set c9x appropriately.
978 (create_definition): Recognize ISO C 9x vararg macros.
980 * gcc.c (default_compilers): Adjust specs for -std options.
981 (option_map): Add --std.
982 (display_help): Document -std.
984 * toplev.c (documented_lang_options): Add -std and remove
987 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
988 or REAL_VALUE_HTOF based on base of the constants.
989 * fold-const.c (real_hex_to_f): New function. Replacement function
990 for hex FP conversion if REAL_ARITHMETIC is not defined.
991 * real.c (asctoeg): Add handling of hex FP constants.
992 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
995 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
997 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
998 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
999 expansion. Use hi/lo as destination register.
1001 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
1002 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
1003 Avoid as macro expansion. Use hi/lo as destination register.
1005 * mips.h (MASK_CHECK_RANGE_DIV): New.
1006 (MASK_NO_CHECK_ZERO_DIV): New.
1007 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
1008 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
1009 return address for leaf functions out of r31 to support
1010 builtin_return_address.
1012 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1014 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
1015 NEXT_INSN(x) to check insn x.
1017 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
1019 * flow.c (delete_block): Call set_last_insn if we end up deleting the
1020 last insn in the rtl chain.
1022 * reload1.c (reload): Do not set reload_completed or split insns
1024 * toplev.c (rest_of_compilation): Set reload_completed after
1025 reload returns. Split insns after reload_cse has run.
1027 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
1029 * final.c (final_scan_insn): Abort if block_depth falls below 0.
1031 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
1033 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
1035 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
1037 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
1038 use of user-label_prefix.
1040 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1042 * reload1.c (emit_reload_insns): Clear spill_reg_store
1043 when doing a new non-inherited reload from the same pseudo.
1045 * local-alloc.c (function_invariant_p): New function.
1046 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
1047 to decide if an equivalence should be recorded.
1048 * reload1.c (num_eliminable_invariants): New static variable.
1049 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
1050 to decide if an equivalence should be recorded.
1052 (calculate_needs_all_insns): Skip insns that only set an equivalence.
1053 Take num_eliminable_invariants into account when deciding
1054 if register elimination should be done.
1055 (reload_as_needed): Take num_eliminable_invariants into account
1056 when deciding if register elimination should be done.
1057 (eliminate_regs): Handle non-constant reg_equiv_constant.
1058 * rtl.h (function_invariant_p): Declare.
1060 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
1062 * version.c: Bump for snapshot.
1064 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
1066 * version.c: Bump for snapshot.
1068 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
1070 * except.c (add_new_handler): Complain about additional handlers
1071 after one that catches everything.
1073 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
1075 * configure.in (alpha*-*-netbsd): Fix typo.
1076 * configure: Rebuilt.
1078 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1080 * system.h: Include libiberty.h.
1082 * c-aux-info.c: Remove prototypes for concat/concat3. Change
1083 function `concat' from fixed parameters to variable parameters,
1084 as is done in libiberty. All callers of concat/concat3
1085 changed to use the new `concat' with variable args.
1087 * cccp.c: Remove things made redundant by libiberty.h and/or
1088 conform to libiberty standards.
1090 * collect2.c: Likewise.
1091 * config/1750a/1750a.h: Likewise.
1092 * cppalloc.c: Likewise.
1093 * cppexp.c: Likewise.
1094 * cppfiles.c: Likewise.
1095 * cpphash.c: Likewise.
1096 * cpplib.c: Likewise.
1097 * dyn-string.c: Likewise.
1098 * fix-header.c: Likewise.
1101 * genattr.c: Likewise.
1102 * genattrtab.c: Likewise.
1103 * gencheck.c: Likewise.
1104 * gencodes.c: Likewise.
1105 * genconfig.c: Likewise.
1106 * genemit.c: Likewise.
1107 * genextract.c: Likewise.
1108 * genflags.c: Likewise.
1109 * gengenrtl.c: Likewise.
1110 * genopinit.c: Likewise.
1111 * genoutput.c: Likewise.
1112 * genpeep.c: Likewise.
1113 * genrecog.c: Likewise.
1114 * getpwd.c: Likewise.
1115 * halfpic.c: Likewise.
1117 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
1118 in NEED_DECLARATION_* macros.
1120 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
1121 conform to libiberty standards.
1122 (fatal): Fix const-ification of variable `format' in
1123 !ANSI_PROTOTYPES case.
1125 * prefix.c: Remove things made redundant by libiberty.h and/or
1126 conform to libiberty standards.
1128 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
1129 conflicting with function `spaces' from libiberty.
1131 * profile.c: Remove things made redundant by libiberty.h and/or
1132 conform to libiberty standards.
1133 * protoize.c: Likewise.
1136 * tlink.c: Likewise.
1137 * toplev.c: Likewise.
1138 * toplev.h: Likewise.
1141 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1143 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
1145 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1147 * README.C4X: Updated URLs.
1148 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
1149 (valid_parallel_operands_5): Remove unused variable.
1151 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1153 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
1155 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
1157 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
1158 which can be configured.
1159 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
1160 (Makefile): Pass actual LANGUAGES through the environment when
1162 (cstamp-h): Likewise.
1163 (config.status): Likewise.
1165 * configure.in (enable_languages): Add new configuration parameter
1166 "--enable-languages=lang1,lang2,...".
1167 (${srcdir}/*/config-lang.in): Change handling to configure only
1168 those directories, that the user might have enabled; default to
1169 "all" existing languages.
1170 * configure: Regenerate.
1172 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
1174 * rtlanal.c (regs_set_between_p): New function.
1175 * rtl.h (regs_set_between_p): Prototype it.
1176 * jump.c (jump_optimize): Use it instead of modified_between_p
1177 in the Sep 2 change.
1179 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
1180 Matthias Pfaller <leo@dachau.marco.de>
1182 * invoke.texi (Option Summary, NS32K Options): add description
1183 of NS32K specific options.
1185 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
1186 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
1187 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
1188 negdf2, absdf2): Use l instead of f since the double class and
1189 float class are no longer the same.
1190 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
1191 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
1192 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
1193 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
1195 (cmpsi, cmphi, cmpqi): use general_operand instead of
1196 non_immediate_operand. Removes erroneous assumption that can't
1198 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
1199 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
1201 (movstrsi, movstrsi1, movstrsi2): completely new block move
1203 (...): Patterns to exploit multiply-add instructions.
1204 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
1205 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
1206 patterns to exploit extended divide insns.
1207 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
1210 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
1211 float return values as well as simple scalar floats.
1212 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
1213 support new flag to denote 32381 fpu.
1214 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
1215 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
1217 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1218 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
1219 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
1220 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
1221 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
1222 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
1223 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
1224 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
1225 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
1226 fpu registers and special register classes for new 32381
1227 instructions dotf and polyf.
1228 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
1230 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
1231 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
1233 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
1234 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
1235 (REGISTER_MOVE_COST): move code to register_move_cost function for
1236 ease of coding and debugging.
1237 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
1238 LONG_FLOAT_REGO is likely spilled but not caught by default
1240 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
1241 instead of hard coded numbers in range check.
1242 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
1243 (...): Add prototypes for functions in ns32k.c but disable because
1244 of problems when ns32k.h is included in machine independant files.
1246 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
1247 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
1248 hard_regno_mode_ok, secondary_reload_class,
1249 print_operand, print_operand_address): new register scheme to
1250 include 32381 fpu registers and special register classes for new
1251 32381 instructions dotf and polyf.
1252 (gen_indexed_expr): Make static to keep namespace clean.
1253 (check_reg): remove since never called.
1254 (move_tail, expand_block_move): helper functions for "movstrsi"
1256 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
1257 Increase cost of moves which go via memory.
1258 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
1259 (CPP_PREDEFINES): nolonger predefine "unix".
1261 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
1262 Remove erroneous %$. print_operand() can work out from the rtx is
1263 an immediate prefix is required.
1265 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
1266 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
1267 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
1269 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
1272 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
1273 Correct handling of pic operands.
1274 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
1275 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
1276 -mrtd calling convention.
1278 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
1280 * gcc.c (option_map): Recognize --output-class-directory.
1282 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1284 * loop.h (precondition_loop_p): Added new mode argument.
1285 * unroll.c (precondition_loop_p): Likewise.
1286 (approx_final_value): Function deleted and subsumed
1287 into loop_iterations.
1288 (loop_find_equiv_value): New function.
1289 (loop_iterations): Use loop_find_equiv_value to find increments
1290 too large to be immediate constants. Also use it to find terms
1291 common to initial and final iteration values that can be removed.
1293 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1295 * loop.h (struct loop_info): Define new structure.
1296 (precondition_loop_p): Added prototype.
1297 (unroll_loop): Added new argument loop_info to prototype.
1298 (final_biv_value, final_giv_value): Added new argument n_iterations
1300 * loop.c (strength_reduce): Declare new structure loop_iteration_info
1301 and new pointer loop_info.
1302 (loop_n_iterations): Replace global variable by element in
1303 loop_info structure.
1304 (check_final_value): New argument n_iterations.
1305 (insert_bct): New argument loop_info.
1306 (loop_unroll_factor): Replace global array by element in
1307 loop_info structure.
1308 (loop_optimize): Remove code to allocate and initialise
1309 loop_unroll_factor_array.
1310 * unroll.c (precondition_loop_p): No longer static since
1311 used by branch on count optimization.
1312 (precondition_loop_p, unroll_loop): New argument loop_info.
1313 (final_biv_value, final_giv_value, find_splittable_regs): New
1314 argument n_iterations.
1315 (loop_iteration_var, loop_initial_value, loop_increment,
1316 loop_final_value, loop_comparison_code, loop_unroll_factor):
1317 Replaced global variables by loop_info structure.
1318 (loop_unroll_factor): Replace global array by element in
1319 loop_info structure.
1321 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1323 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
1326 * unroll.c (precondition_loop_p): Return loop_initial_value
1327 for initial_value instead of loop_iteration_var.
1329 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1331 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
1332 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
1333 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
1334 to output the instruction sequences.
1336 (rptb_top): Provide alternatives to use any register or memory
1338 (rptb_end): Emit use of operands rather than assigning them
1339 explicitly to the RS and RE registers.
1341 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1343 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
1344 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
1345 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
1346 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
1347 c4x_merge_notes, c4x_parallel_process,
1348 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
1349 c4x_combine_parallel): Delete.
1351 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1353 * config/c4x/c4x.c: (c4x_override_options): For compatibility
1354 with old target options clear flag_branch_on_count_reg if
1355 -mno-rptb specified and set flag_argument_alias is -mno-aliases
1357 (c4x_output_cbranch): Handle a sequence of insns rather than a
1359 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
1360 has not been allocated as the loop counter.
1361 (c4x_address_conflict): Do not allow two volatile memory references.
1362 (valid_parallel_operands_4, valid_parallel_operands_5,
1363 valid_parallel_operands_6): Reject pattern if the register destination
1364 of the first set is used as part of an address in the second set.
1366 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1368 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
1369 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
1370 is no longer enabled if PARALLEL_MPY_FLAG set.
1371 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
1372 (REG_CLASS_CONTENTS): Add braces around initializers.
1373 (HAVE_MULTIPLE_PACK): Define.
1374 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
1375 REAL_VALUE_TO_DECIMAL.
1376 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
1377 REAL_VALUE_TO_DECIMAL.
1378 (ar0_reg_operand): Add prototype.
1379 (ar0_mem_operand): Likewise.
1380 (ar1_reg_operand): Likewise.
1381 (ar1_mem_operand): Likewise.
1382 (ar2_reg_operand): Likewise.
1383 (ar2_mem_operand): Likewise.
1384 (ar3_reg_operand): Likewise.
1385 (ar3_mem_operand): Likewise.
1386 (ar4_reg_operand): Likewise.
1387 (ar4_mem_operand): Likewise.
1388 (ar5_reg_operand): Likewise.
1389 (ar5_mem_operand): Likewise.
1390 (ar6_reg_operand): Likewise.
1391 (ar6_mem_operand): Likewise.
1392 (ar7_reg_operand): Likewise.
1393 (ar7_mem_operand): Likewise.
1394 (ir0_reg_operand): Likewise.
1395 (ir0_mem_operand): Likewise.
1396 (ir1_reg_operand): Likewise.
1397 (ir1_mem_operand): Likewise.
1398 (group1_reg_operand): Likewise.
1399 (group1_mem_operand): Likewise.
1400 (ir1_reg_operand): Likewise.
1401 (arx_reg_operand): Likewise.
1402 (not_rc_reg): Likewise.
1403 (not_modify_reg): Likewise.
1404 (c4x_group1_reg_operand): Remove prototype.
1405 (c4x_group1_mem_operand): Likewise.
1406 (c4x_arx_reg_operand): Likewise.
1408 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
1410 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
1411 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
1413 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1415 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
1418 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1420 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
1421 unless FMOVD_WORKS is defined.
1423 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1425 * regclass.c (init_reg_sets): Move code that calculates tables
1426 dependent on reg_class_contents from here...
1427 (init_reg_sets_1): To here.
1429 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1431 * cpplib.h: Delete struct import_file. Add ihash element to
1432 struct cpp_buffer. Delete dont_repeat_files and
1433 import_hash_table elements from cpp_reader; change
1434 all_include_files to a hash table. Delete all foobar_include
1435 / last_foobar_include elements from struct cpp_options; put
1436 back four such: quote_include, bracket_include,
1437 system_include, after_include. Redo struct file_name_list
1438 completely. Add new structure type include_hash. Add
1439 prototypes for merge_include_chains and include_hash. Change
1440 prototypes for finclude, find_include_file, and
1441 append_include_chain to match changes below.
1443 * cppfiles.c (simplify_pathname, include_hash,
1444 remap_filename, merge_include_chains): New functions.
1445 (add_import, lookup_import, open_include_file): Removed.
1446 (INO_T_EQ): Define this (copied from cccp.c).
1447 (hack_vms_include_specification): Remove all calls and #if 0
1448 out the definition. It was being called incorrectly and at
1449 the wrong times. Until a VMSie can look at this, it's better
1450 to not pretend to support it.
1451 (append_include_chain): Change calling convention; now takes
1452 only one directory at a time, and sets up the data structure
1454 (redundant_include_p): Rewritten - this is now used for all
1455 include redundancy, whether by #ifndef, #import, or #pragma
1456 once. Looks up things in the include hash table.
1457 (file_cleanup): Decrement pfile->system_include_depth here if
1459 (find_include_file): Calling convention changed; now passes
1460 around a struct include_hash instead of 3 separate parameters.
1461 Guts ripped out and replaced with new include_hash mechanism.
1462 (finclude): Calling convention changed as for
1463 find_include_file. Error exits pulled out-of-line. Reformat.
1464 (safe_read): Return a long, not an int.
1465 (deps_output): Don't recurse.
1467 * cpplib.c (is_system_include): Deleted.
1468 (path_include): Fix up call to append_include_chain.
1469 (do_include): Fix up calls to find_include_file and finclude.
1470 Clean up dependency output a bit. Shorten obnoxiously lengthy
1471 #import warning message. Don't decrement
1472 pfile->system_include_depth here.
1473 (do_pragma): Understand the include_hash structure. Reformat.
1474 (do_endif): Correct handling of control macros. Understand
1476 (cpp_start_read): Fix up calls to finclude. Call
1477 merge_include_chains.
1478 (cpp_handle_option): Fix up calls to append_include_chain.
1479 Understand the four partial include chains.
1480 (cpp_finish): Add debugging code (#if 0-ed out) for the
1482 (cpp_cleanup): Free the include_hash, not the import hash and
1483 the all_include and dont_repeat lists which no longer exist.
1485 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
1487 * toplev.c (no_new_pseudos): Define.
1488 (rest_of_compilation): Set no_new_pseudos as needed.
1489 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
1490 if no_new_pseudos is set.
1491 * rtl.h (no_new_pseudos): Declare it.
1492 * reload1.c (reload): Update comments.
1493 * md.texi: Corresponding changes.
1495 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1497 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
1498 (choose_reload_regs): Rename it here as well. When computing it,
1499 also merge in used hardregs.
1501 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1503 * gcc.c: Split out Objective-C specs to...
1504 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
1507 * c-lex.c (init_parse): Always initialize the filename global.
1508 * objc/objc-act.c (lang_init): Always call check_newline at
1511 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
1513 * reload1.c (reload): Remove unused variable.
1514 (reload_reg_free_for_value_p): Add missing parameter definition.
1516 * jump.c (jump_optimize): Remove unused variable.
1518 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
1520 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
1522 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
1524 * expr.c (move_by_pieces): Similarly.
1525 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
1526 * flow.c (find_auto_inc): Similarly.
1527 (try_pre_increment): Similarly.
1528 * loop.c (strength_reduce): Similarly.
1529 * regclass.c (auto_inc_dec_reg_p): Similarly.
1530 * regmove.c (try_auto_increment): Similarly.
1531 (fixup_match_1): Similarly.
1532 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
1533 (HAVE_PRE_DECREMENT): Similarly.
1534 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
1535 * Corresponding changes to all target header files.
1536 * tm.texi: Update docs for autoinc addressing modes.
1538 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
1540 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
1541 * configure: Rebuild.
1542 * config/elfos.h: New file.
1543 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
1544 config/m68k/t-m68kelf: New file.
1546 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
1548 * Makefile.in (HOST_AR): Define.
1549 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
1550 (libcpp.a): Use the host tools explicitly.
1551 (STAGESTUFF): Add libcpp.a.
1553 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
1555 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
1556 to source and destination registers.
1558 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
1560 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
1561 The strategy we now use is to pre allocate the top_elt along
1562 with the EH context so that each thread has its own top_elt.
1563 This is necessary as the dynmanic cleanup chain is used on the
1564 top element of the stack and each thread MUST have its own.
1565 (eh_context_static): Likewise.
1566 (new_eh_context): Likewise.
1567 (__sjthrow): Likewise.
1569 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
1571 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
1572 * i386.md (prologue_get_pc): Remove unused variable.
1574 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
1576 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
1578 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
1580 * Makefile.in (OBJS): Add graph.o
1581 (graph.o): New dependency list.
1582 * flags.h: Declare dump_for_graph and define graph_dump_types type.
1583 * print-rtl.c (dump_for_graph): Define new variable.
1584 (print_rtx): Rewrite to allow use in graph dumping functions.
1585 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
1586 finish_graph_dump_file.
1587 Define graph_dump_format.
1588 (compile_file): If graph dumping is enabled also clear these files.
1589 Finish graph dump files.
1590 (rest_of_compilation): Also dump graph information if enabled.
1591 (main): Recognize -dv to enabled VCG based graph dumping.
1592 * graph.c: New file. Graph dumping functions.
1594 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
1596 * configure.in: Look for <sys/stat.h>.
1597 * system.h: Include it before substitute S_ISREG definitions.
1599 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
1601 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
1602 * config/mips/iris6.h: Same.
1603 * config/mips/mips.md: Same.
1604 * config/mips/mips.c: Same; also add "-mabi=o64" option.
1605 * config/mips/mips.h: Same; also define ABI_O64.
1607 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1609 * configure.in: Use AC_PREREQ(2.12.1).
1611 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
1613 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
1614 * cpplib.c, gcc.c: Likewise.
1615 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
1617 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
1619 * local-alloc.c (local_alloc): Use malloc not alloca for
1620 reg_qty, reg_offset, ref_next_in_qty.
1622 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1624 * caller-save.c (insert_one_insn): Initialize the live_before and
1625 live_after register sets.
1629 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
1630 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
1631 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
1632 (fp_reg_names, assembler_dialect): New variables.
1633 (print_operand_address): Handle SUBREGs.
1634 (print_operand): Added 'o' case.
1635 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
1636 Name of FP registers depends on mode.
1637 (expand_block_move): Emit different code for SH4 hardware.
1638 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
1639 (from_compare): Likewise.
1640 (add_constant): New argument last_value. Changed all callers.
1641 (find_barrier): Don't try HImode load for FPUL_REG.
1642 (machine_dependent_reorg): Likewise.
1643 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
1644 (gen_far_branch): Emit a barrier after the new jump.
1645 (barrier_align): Don't trust instruction lengths before
1647 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
1648 Use auto-inc addressing for fp registers if doubles need to
1649 be loaded in two steps.
1650 Set sh_flag_remove_dead_before_cse.
1651 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
1652 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
1653 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
1654 Support for FIRST_XD_REG .. LAST_XD_REG.
1655 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
1656 (sh_expand_epilogue): Likewise.
1657 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
1658 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
1659 (arith_reg_operand): FPUL_REG is OK for SH4.
1660 (fp_arith_reg_operand, fp_extended_operand) New functions.
1661 (tertiary_reload_operand, fpscr_operand): Likewise.
1662 (commutative_float_operator, noncommutative_float_operator): Likewise.
1663 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
1664 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
1665 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
1666 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
1667 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
1668 (CONDITIONAL_REGISTER_USAGE): Likewise.
1669 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
1670 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
1671 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
1672 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
1673 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
1674 to -1 and sh_flag_remove_dead_before_cse to 1.
1675 (ASSEMBLER_DIALECT): Define to assembler_dialect.
1676 (assembler_dialect, fp_reg_names): Declare.
1677 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
1678 Hide names of registers that are not accessible.
1679 (CACHE_LOG): Take TARGET_CACHE32 into account.
1680 (LOOP_ALIGN): Take TARGET_HARWARD into account.
1681 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
1682 (FIRST_PSEUDO_REGISTER: Now 49.
1683 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
1684 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
1685 (HARD_REGNO_MODE_OK): Update.
1686 (enum reg_class): Add DF_REGS and FPSCR_REGS.
1687 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
1688 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
1689 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
1690 (NPARM_REGS): Eight floating point parameter registers on SH4.
1691 (BASE_RETURN_VALUE_REG): SH4 also passes double values
1692 in floating point registers.
1693 (GET_SH_ARG_CLASS) Likewise.
1694 Complex float types are also returned in float registers.
1695 (BASE_ARG_REG): Complex float types are also passes in float registers.
1696 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
1697 (LIBCALL_VALUE): Remove trailing semicolon.
1698 (ROUND_REG): Round when double precision value is passed in floating
1700 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
1701 passed on the stack.
1702 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
1703 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
1704 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
1705 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
1706 (MODE_DISP_OK_8): Not for SH4 DFmode.
1707 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
1708 Allow indexed addressing for PSImode after reload.
1709 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
1710 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
1711 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
1712 (DOUBLE_TYPE_SIZE): 64 for SH4.
1713 (RTX_COSTS): Add PLUS case.
1714 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
1715 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
1716 MAC_REGS, PR_REGS, DF_REGS.
1717 (REGISTER_NAMES): Use fp_reg_names.
1718 (enum processor_type): Add PROCESSOR_SH4.
1719 (sh_flag_remove_dead_before_cse): Declare.
1720 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
1721 (PREDICATE_CODES): Add binary_float_operator,
1722 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
1723 fpscr_operand, noncommutative_float_operator.
1724 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
1725 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
1726 * sh.md (attribute cpu): Add value sh4.
1727 (attrbutes fmovd, issues): Define.
1728 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
1729 (function units memory, int, mpy, fp): Make dependent on issue rate.
1730 (function units issue, single_issue, load_si, load): Define.
1731 (function units load_store, fdiv, gp_fpul): Define.
1732 (attribute hit_stack): Provide proper default.
1733 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
1734 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
1735 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
1736 (mulsi3_call): Now uses match_operand for function address.
1737 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
1739 (push, pop, push_e, pop_e): Now define_expands.
1740 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
1741 (movsi_ie): Added y/i alternative.
1742 (ic_invalidate_line_i, movdf_i4): New insns.
1743 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
1744 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
1745 (movdf): Add special code for SH4.
1746 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
1747 (call_valuei, calli, call_value): Likewise.
1748 (movsf): Emit no-op move.
1749 (mov_nop, movsi_y): New insns.
1750 (blt, sge): generalize to handle DFmode.
1751 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
1752 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
1753 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
1754 (fpu_switch0, fpu_switch1, movpsi): New expanders.
1755 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
1756 (toggle_sz): New insn.
1757 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
1758 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
1759 (macsf3): Make use of fpscr visible. Disable for SH4.
1760 (floatsisf2): Make use of fpscr visible.
1761 (floatsisf2_i4): New insn.
1762 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
1763 (ieee_ccmpeqsf_t): Likewise.
1764 (fix_truncsfsi2): Emit different code for SH4.
1765 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
1766 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
1767 (negsf2, sqrtsf2, abssf2): Now expanders.
1768 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
1769 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
1770 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
1771 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
1772 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
1773 (fix_truncdfsi2_i4_2+1): New splitters.
1774 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
1775 (extendsfdf2, truncdfsf2): New expanders.
1776 (truncdfsf2_i4): New insn.
1777 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
1778 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
1779 * float-sh.h: When testing for __SH3E__, also test for
1780 __SH4_SINGLE_ONLY__ .
1781 * va-sh.h (__va_freg): Define to float.
1782 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
1783 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
1784 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
1785 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
1787 (TARGET_SH4_P): Define.
1790 * sh.md (movdf_k, movsf_i): Tweak the condition so that
1791 init_expr_once is satisfied about the existence of load / store insns.
1793 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
1794 change m constraint in source operand to mr / mf .
1796 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
1798 * (__VA_REEF): Define.
1799 (__va_arg_sh1): Use it.
1801 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
1803 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
1805 * i386/dgux.c (struct option): Add new "description field".
1806 * m88k/m88k.c (struct option): Likewise.
1808 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
1810 * version.c: Bump for snapshot.
1812 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1814 * regmove.c (regmove_profitable_p): Use return value of find_matches
1817 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
1819 * version.c: Bump for snapshot.
1821 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
1823 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
1824 without reload having been called earlier.
1826 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
1828 (v850_reorg): Similarly.
1830 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
1832 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1834 * loop.c (move_movables): Start of libcall might be new loop start.
1836 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1838 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
1840 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1842 * function.c (nonlocal_goto_handler_slots): Renamed from
1843 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
1844 (push_function_context_to): Adjust for this change.
1845 (pop_function_context_from): Likewise.
1846 (init_function_start): Likewise.
1847 (expand_function_end): Likewise.
1848 * function.h (struct function): Likewise.
1849 * calls.c (expand_call): Likewise.
1850 * explow.c (allocate_dynamic_stack_space): Likewise.
1851 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
1852 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
1854 (expand_goto): When doing a nonlocal goto, find corresponding handler
1855 slot for it. Don't put the label address in the static chain register.
1856 (expand_end_bindings): Break out nonlocal goto handling code into
1857 three new functions.
1858 (expand_nl_handler_label, expand_nl_goto_receiver,
1859 expand_nl_goto_receivers): New static functions, broken out of
1860 expand_end_bindings and adapted to create one handler per nonlocal
1862 * function.c (delete_handlers): Delete insn if it references any of
1863 the nonlocal goto handler slots.
1864 * i960.md (nonlocal_goto): Comment out code that modifies
1866 * sparc.md (nonlocal_goto): Likewise.
1867 (goto_handler_and_restore_v9): Comment out.
1868 (goto_handler_and_restore_v9_sp64): Comment out.
1870 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1872 * expr.c (STACK_BYTES): Delete unused macro.
1873 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
1874 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1875 (expand_call): Likewise.
1876 (emit_library_call): Likewise.
1877 (emit_library_call_value): Likewise.
1878 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
1879 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1880 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
1881 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1882 (allocate_dynamic_stack_space): Likewise.
1883 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
1884 (STACK_BOUNDARY): Update description to reflect the new situation.
1886 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
1888 * reorg.c (relax_delay_slots): When optimizing for code size, if a
1889 return with a filled delay slot is followed by a return with an
1890 unfilled delay slot, delete the first return and reemit the insn
1891 that was previously in its delay slot.
1893 * i860.c (single_insn_src_p): Add missing parens.
1894 * ginclude/math-3300.h: Likewise.
1896 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
1898 * regclass.c (init_reg_sets_1): Add prototype.
1899 (init_reg_modes): Likewise.
1901 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
1903 * c-common.c: Change warning messages to say `comparison is
1904 always true' or `comparison is always false' instead of the
1905 confusing `is always 0', `is always 1'.
1907 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
1909 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
1910 break instead of return (which loses closing '>').
1912 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
1914 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
1915 standard 387 constants.
1917 * i386.md (jump): Explicitly set "memory" attribute.
1918 (indirect_jump, prologue_set_stack_ptr): Likewise.
1919 (prologue_get_pc_and_set_got, pop): Likewise.
1920 (allocate_stack_worder, blockage, return_internal): Likewise.
1921 (return_pop_internal, nop): Likewise.
1922 (epilogue_set_stack_ptr, leave): Likewise.
1924 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
1926 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
1928 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1930 * reload1.c (reload_reg_free_for_value_p):
1931 Early auto_inc reloads don't conflict with outputs.
1933 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1935 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
1936 Instead call AC_HEADER_SYS_WAIT.
1938 * collect2.c: Don't provide defaults for sys/wait.h macros.
1940 * protoize.c: Likewise. Also, don't include sys/wait.h.
1942 * system.h: Include sys/wait.h and provide macro defaults.
1944 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1946 * Makefile.in (mandir): Set to @mandir@.
1947 (man1dir): New variable to hold the former value of $(mandir).
1948 Replace all uses of $(mandir) by $(man1dir).
1950 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
1952 * reload.c (find_reloads_address_part): If have a CONST_INT, create
1953 a new one before passing it to force_const_mem.
1955 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
1956 find_reloads_address call.
1958 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1960 * expr.c (store_expr): Don't generate load-store pair
1961 if TEMP is identical (according to ==) with TARGET.
1963 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1965 * reload1.c (reload_reg_free_for_value_p): When considered reload
1966 has an output, matching inputs are not sufficient to avoid conflict.
1968 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
1970 * hash.h (hash_table_key): New type.
1971 (hash_entry): Change `string' field to generic `key'.
1972 (hash_table): Add `comp' and `hash' functions.
1973 (hash_table_init): Take them as input.
1974 (hash_table_init_n): Likewise.
1975 (hash_lookup): Modify for generic keys.
1976 (hash_newfunc): Likewise.
1977 (hash_traverse): Likewise.
1978 (string_hash): New function.
1979 (string_compare): Likewise.
1980 (string_copy): Likewise.
1981 * hash.c (hash_table_init_n): Modify for generic keys.
1982 (hash_table_init): Likewise.
1983 (hash_lookup): Likewise.
1984 (hash_newfunc): Likewise.
1985 (hash_traverse): Likewise.
1986 (string_hash): Split out from hash_lookup.
1987 (string_compare): New function.
1988 (string_copy): Split out from hash_lookup.
1989 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
1991 (symbol_hash_lookup): Likewise.
1992 (file_hash_newfunc): Likewise.
1993 (file_hash_lookup): Likewise.
1994 (demangled_hash_newfunc): Likewise.
1995 (demangled_hash_lookup): Likewise.
1996 (tlink_int): Likewise.
1997 (read_repo_file): Likewise.
1998 (recompile_files): Likewise.
1999 (demangle_new_symbols): Likewise.
2000 (scan_linker_output): Likewise.
2002 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2004 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
2006 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
2008 * rs6000.c (output_mi_thunk): Improve test for local branch.
2010 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2012 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
2014 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2016 * reload1.c (reload_reg_free_before_p): Delete.
2017 Changed all callers to use reload_reg_free_for_value_p instead.
2018 (reload_reg_free_for_value_p): Handle more reload types.
2019 A RELOAD_FOR_INPUT doesn't conflict with its
2020 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
2021 Add special case for OUT == const0_rtx.
2022 Added ignore_address_reloads argument. Changed all callers.
2024 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
2026 * toplev.c (compile_file): Don't pedwarn about undefined static
2027 functions just because we passed -Wunused.
2029 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2031 * function.c (purge_addressof_1): Unshare rtl created by
2034 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2036 * regmove.c (regmove_optimize): Don't do anything but
2037 optimize_reg_copy[123] when flag_regmove is not set.
2039 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
2041 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
2042 value in paradoxical SImode result, rather than truncating midpoint.
2044 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
2046 * alpha.c (reg_not_elim_operand): New.
2047 * alpha.h (PREDICATE_CODES): Add it.
2048 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
2049 for the multiplicand.
2051 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
2053 * rs6000.md (movsf): Remove explicit secondary-reload-like
2054 functionality. Only truncate SFmode store if in FPR.
2055 (movsf splitters): Combine const_double splitters.
2056 (movsf_hardfloat): Add GPR support.
2058 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
2060 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
2061 deprecate -mlive-g0 and -mbroken-saverestore.
2062 * t-splet (MULTILIB_OPTIONS): Likewise.
2064 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
2065 in a leaf function. Clarify total_size/extra_size relationship.
2067 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
2069 * i386/cygwin32.asm: Delete.
2070 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
2071 * i386/cygwin32.h: Delete.
2072 * i386/cygwin.h: New file, renamed from cygwin32.h.
2073 * i386/t-cygwin32: Delete.
2074 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
2075 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
2076 * i386/x-cygwin32: Delete.
2077 * i386/x-cygwin: New file, renamed from x-cygwin32.
2078 * i386/xm-cygwin32: Delete.
2079 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
2080 renamed cygwin_ funcs for path translations.
2081 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
2082 * i386/winnt.c: Remove "32" from comment about cygwin.
2083 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
2084 * rs6000/cygwin32.h: Delete.
2085 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
2086 -D__CYGWIN__ to CPP_PREDEFINES.
2087 * rs6000/x-cygwin32: Delete.
2088 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
2089 * rs6000/xm-cygwin32: Delete.
2090 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
2092 * configure.in: Check for cygwin* instead of cygwin32. Account
2093 for the rename of cygwin-related config files to lose the "32"s.
2094 * configure: Regenerate.
2096 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
2097 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
2099 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
2101 * Makefile.in (JAVAGC): New macro.
2102 * configure: Rebuilt.
2103 * configure.in: Recognize --enable-java-gc argument. Subst
2106 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2108 Handle equivalences that have been obscured by gcse:
2110 * reload1.c (reload): Handle equivalences set up in multiple places.
2111 * local-alloc.c (reg_equiv_init_insns): New variable.
2112 (no_equiv): New function.
2113 (update_equiv_regs): Handle equivalences set up in multiple places.
2114 Don't ignore an insn just because its destination is likely to be
2117 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
2119 * except.c (expand_eh_return): Readd force_operand call lost in
2122 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
2124 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
2126 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2128 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
2130 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2132 * regmove.c (regmove_optimize): Fix error in last change.
2134 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
2136 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
2137 offset in the .mask pseudo to compensate for frame pointer adjustments.
2138 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
2139 word swap arguments moved to/from FP registers.
2140 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
2142 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
2144 * version.c: Bump for snapshot.
2146 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
2148 * version.c: Bump for snapshot.
2150 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
2152 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
2153 times, then it can not be completely replaced.
2155 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
2157 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
2159 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2161 * gansidecl.h: Prepend a "G" to the macro wrapping this file
2162 (to distinguish it from the macro wrapping ansidecl.h.)
2163 Include libiberty's ansidecl.h. Remove all redundant definitions.
2164 Define the PROTO() style macros in terms of the PARAMS() ones.
2167 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
2168 __STDC__, when deciding whether to use ANSI variable args.
2169 (emit_library_call_value): Likewise.
2171 * cccp.c (error): Likewise.
2172 (warning): Likewise.
2173 (error_with_line): Likewise.
2174 (warning_with_line): Likewise.
2175 (pedwarn): Likewise.
2176 (pedwarn_with_line): Likewise.
2177 (pedwarn_with_file_and_line): Likewise.
2180 * cexp.y (error): Likewise.
2181 (pedwarn): Likewise.
2182 (warning): Likewise.
2184 * collect2.c (fatal_perror): Likewise.
2188 * combine.c (gen_rtx_combine): Likewise.
2190 * cpperror.c (cpp_message): Likewise.
2191 (cpp_fatal): Likewise.
2193 * cpplib.c (cpp_error): Likewise.
2194 (cpp_warning): Likewise.
2195 (cpp_pedwarn): Likewise.
2196 (cpp_error_with_line): Likewise.
2197 (cpp_warning_with_line): Likewise.
2198 (cpp_pedwarn_with_line): Likewise.
2199 (cpp_pedwarn_with_file_and_line): Likewise.
2201 * cpplib.h: Don't define PARAMS() macro.
2203 * demangle.h: Likewise.
2205 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
2206 when deciding whether to use ANSI variable args.
2208 * emit-rtl.c (gen_rtx): Likewise.
2209 (gen_rtvec): Likewise.
2211 * final.c (asm_fprintf): Likewise.
2213 * fix-header.c (cpp_message): Likewise.
2215 (cpp_fatal): Likewise.
2217 * gcc.c (concat): Likewise.
2221 * genattr.c (fatal): Likewise.
2223 * genattrtab.c (attr_rtx): Likewise.
2224 (attr_printf): Likewise.
2227 * gencodes.c (fatal): Likewise.
2229 * genconfig.c (fatal): Likewise.
2231 * genemit.c (fatal): Likewise.
2233 * genextract.c (fatal): Likewise.
2235 * genflags.c (fatal): Likewise.
2237 * genopinit.c (fatal): Likewise.
2239 * genoutput.c (fatal): Likewise.
2242 * genpeep.c (fatal): Likewise.
2244 * genrecog.c (fatal): Likewise.
2246 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
2247 deciding whether to declare `tree_node' and `rtx_def'.
2249 * hash.h: Don't define stuff we get from gansidecl.h.
2251 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
2252 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2253 whether to use ANSI variable args.
2256 * prefix.c (concat): Likewise.
2260 * system.h: Likewise.
2262 * toplev.c (error_with_file_and_line): Likewise.
2263 (error_with_decl): Likewise.
2264 (error_for_asm): Likewise.
2267 (warning_with_file_and_line): Likewise.
2268 (warning_with_decl): Likewise.
2269 (warning_for_asm): Likewise.
2270 (warning): Likewise.
2271 (pedwarn): Likewise.
2272 (pedwarn_with_decl): Likewise.
2273 (pedwarn_with_file_and_line): Likewise.
2275 (really_sorry): Likewise.
2277 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2278 whether to declare `tree_node' and `rtx_def'.
2280 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
2281 deciding whether to use ANSI variable args.
2282 (build_nt): Likewise.
2283 (build_parse_node): Likewise.
2285 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
2287 * version.c: Bump for snapshot.
2289 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2291 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
2293 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2295 * collect2.c (main, case 'b'): Use else if.
2297 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2299 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
2300 Arrange to include gansidecl.h in {ht}config.h & tm.h just
2301 before the config/ directory headers.
2302 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
2303 gansidecl.h in the list of dependencies.
2305 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
2306 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
2307 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
2308 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
2309 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
2310 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
2313 * cccp.c: Don't include gansidecl.h.
2315 * collect2.c: Likewise.
2316 * config/c4x/c4x.c: Likewise.
2317 * config/v850/v850.h: Likewise.
2318 * cppalloc.c: Likewise.
2319 * cpperror.c: Likewise.
2320 * cppexp.c: Likewise.
2321 * cppfiles.c: Likewise.
2322 * cpphash.c: Likewise.
2323 * cpplib.c: Likewise.
2324 * cppmain.c: Likewise.
2325 * cppulp.c: Likewise.
2326 * demangle.h: Likewise.
2327 * doprint.c: Likewise.
2328 * dyn-string.c: Likewise.
2329 * eh-common.h: Likewise.
2330 * fix-header.c: Likewise.
2331 * frame.c: Likewise.
2334 * gen-protos.c: Likewise.
2335 * gencheck.c: Likewise.
2336 * halfpic.h: Likewise.
2338 * machmode.h: Likewise.
2339 * mbchar.c: Likewise.
2340 * prefix.c: Likewise.
2341 * protoize.c: Likewise.
2342 * recog.h: Likewise.
2344 * scan-decls.c: Likewise.
2346 * varray.h: Likewise.
2348 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
2350 * i386.md (call_value_pop): If we're not popping anything,
2351 defer to call_value.
2352 (call_pop): Likewise defer to call.
2354 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
2356 * function.c (purge_addressof): Clear purge_addressof_replacements
2357 only after processing the whole function.
2359 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
2361 * reload1.c (reload): If we can not perform a particular elimination
2362 when we thought we could earlier, then we must always iterate through
2363 the loop at least one more time.
2365 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
2367 * alpha.c (add_operand): Simplify the CONST_INT match.
2368 (sext_add_operand): Correct typo in comparison by using
2369 CONST_OK_FOR_LETTER_P.
2370 * alpha.md (s?addq): Use sext_add_operand to allow the negative
2371 constant alternatives to be generated.
2372 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
2373 small constants, since the hw instructions do.
2375 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2377 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
2378 previous insn to store directly into our reload register, make sure
2379 that if the source of the previous insn is a reload register, its
2380 spill_reg_store and spill_reg_stored_to values are cleared.
2382 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
2384 * rs6000.md (floatunssidf2_internal splitter): Use base register
2385 operand, not hard-coded SP.
2387 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2389 * jump.c (calculate_can_reach_end): Fix thinko.
2391 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
2393 * reorg.c (fill_simple_delay_slots): Fix typo.
2395 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
2397 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
2399 * i386.md (extendsidi2): Use # in the output template.
2400 (extendsidi splitters): New splitters.
2402 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
2404 * configure.in: Use unknown-elf.h as tm_file for arm-elf
2406 * configure: Regenerate.
2408 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2410 * jump.c (init_label_info, delete_barrier_successors,
2411 mark_all_labels, delete_unreferenced_labels,
2412 delete_noop_moves, calculate_can_reach_end): New functions broken
2413 out of jump_optimize.
2414 (jump_optimize): Use them.
2416 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2418 * except.c (expand_fixup_region_end): Make sure outer context labels
2419 are not issued in an inner context during cleanups.
2421 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
2423 * alpha.md (addsi3, subsi3): No new temporaries once cse is
2426 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
2428 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
2429 to expose this midpoint to CSE.
2431 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2433 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
2435 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2437 * configure.in: Bring over gcc2 change of Nov 19 1997.
2439 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
2441 * toplev.c (output_lang_identify): Make definition dependent on
2442 ASM_IDENTIFY_LANGUAGE.
2444 * print-rtl.c (spaces): Make static.
2446 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
2448 * extend.texi: Clarify proper uses for register clobbers in asms.
2450 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2452 * recog.h (enum op_type): Define.
2453 (constrain_operands): Adjust prototype.
2454 (recog_op_type): Declare new variable.
2455 * recog.c (recog_op_type): New variable.
2456 (insn_invalid_p): Allow modifying an asm statement after reload.
2457 (extract_insn): Set up recog_op_type.
2458 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2459 Don't compute operand types, use recog_op_type.
2460 Use the information computed by extract_insn instead of the previous
2461 method of finding it by insn code number.
2462 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2463 * reorg.c (fill_slots_from_thread): Likewise.
2464 * reload1.c (reload_as_needed): Likewise.
2465 (gen_reload): Likewise.
2466 (inc_for_reload): Likewise.
2467 (reload_cse_simplify_operands): Likewise.
2468 Use the information computed by extract_insn instead of the previous
2469 method of finding it by insn code number.
2470 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
2472 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
2473 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
2474 Use the information computed by extract_insn instead of the previous
2475 method of finding it by insn code number.
2476 * regmove.c (find_matches): Likewise. Change meaning of the return
2477 value to be nonzero if the optimization can be performed, zero if
2478 not. All callers changed.
2479 Shorten some variable names to fix formatting problems.
2480 (regmove_optimize): Shorten some variable names to fix formatting
2482 Use the information computed by extract_insn instead of the previous
2483 method of finding it by insn code number.
2484 * regclass.c (scan_one_insn): Likewise.
2485 (record_reg_classes): Don't compute operand types, use recog_op_type.
2486 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
2487 recog_constraints instead.
2489 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
2491 * rtl.h (flow2_completed): Declare.
2492 * flow.c (flow2_completed): Definition.
2493 * toplev.c (rest_of_compilation): Set and clear flow2_completed
2496 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2498 * Makefile.in (libcpp.a): Ranlib libcpp.a
2500 * cppulp.c (user_label_prefix): Initialize.
2502 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
2504 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
2505 at a RETURN if current_function_sp_is_unchanging is set.
2507 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2509 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
2511 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
2513 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
2514 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
2515 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
2516 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
2517 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
2518 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
2520 (LIB_SPEC): Handle -mno-cyginw option.
2521 (LINK_SPEC): Handle -mdll.
2523 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2525 * reload.c (find_reloads): Fix test for usage by other reload
2526 to handle secondary reloads properly.
2528 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2530 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
2531 intermediate structure which has exactly the members provided by
2532 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
2533 static intermediate structure.
2535 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
2536 from the intermediate structure. Do the same analogous fix in
2537 the case where ELIMINABLE_REGS is not defined.
2539 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
2541 * pa.h (SELECT_SECTION): Fix thinko.
2543 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
2545 * dwarf2out.c (output_call_frame_info): Comments on last change.
2547 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
2549 * arm.c (add_constant): When taking the address of an item in the
2550 pool, get the mode of the item addressed.
2552 * arm.c (final_prescan_insn case INSN): If an insn doesn't
2553 contain a SET or a PARALLEL, don't consider it for conditional
2556 Restore ABI compatibility for NetBSD.
2557 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
2559 (RETURN_IN_MEMORY): Likewise.
2561 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
2563 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
2564 (m32r_output_block_move): Rewrite bytes < 4 handling.
2566 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2568 * configure.in: Call AC_FUNC_VFORK.
2570 * collect2.c: Define VFORK_STRING as a printable string for
2571 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
2572 defined, include vfork.h. If VMS is defined, define vfork()
2573 appropriately. Remove vfork check on USG, we're using autoconf.
2574 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
2575 checking locally what string to pass.
2576 (scan_prog_file): Likewise.
2577 (scan_libraries): Likewise.
2579 * gcc.c: Remove vfork check on USG, we're using autoconf.
2580 Besides, no calls to vfork/fork occur in this file.
2582 * protoize.c: Likewise.
2584 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2586 * configure.in (DEFAULT_LINKER): renamed from LD
2587 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
2588 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
2589 * configure: rebuilt
2591 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2593 * BUGS: fix the regexp for `more' to find the appropriate node.
2594 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
2596 * BUGS: added link to the WWW FAQ
2598 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
2600 * version.c: Bump for snapshot.
2602 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
2604 * From Christian Gafton:
2605 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
2606 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
2607 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
2609 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
2611 * c-common.c (c_get_alias_set): Allow all type-punning through
2612 unions. Don't get confused about the type of a bit-field, despite
2613 the antics of build_modify_expr.
2615 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
2617 * fixinc.sco: Paramaterize #include_next values.
2618 * fixinc/fixinc.sco: Likewise.
2620 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
2622 * toplev.c (rest_of_compilation): No longer set reload_completed.
2623 * reload1.c (reload): Set it here. Perform instruction splitting
2624 after reload has completed if we will be running the scheduler
2627 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
2629 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
2630 EH region if exceptions are enabled and we're performing cross
2632 (find_cross_jump): Exit loop if the insns are in different EH regions.
2634 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
2636 * dwarf2out.c (output_call_frame_info): Use
2637 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
2639 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2641 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
2642 * c-common.c (check_format_info): Don't check for the 'x'
2643 format character twice, instead check for 'x' and 'X'
2645 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
2647 * configure.in (assembler features): Also make gas is configured if
2648 we find it in the souce tree.
2650 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
2652 * i386.c (i386_comp_type_attributes): Compare whether the
2653 attributes are defined, not their tree nodes.
2655 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2657 * configure.in (gxx_include_dir): bitten by autoconf quoting
2659 * configure: rebuilt
2661 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2663 * configure.in: Ignore non-absolute value in $AS.
2665 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
2667 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
2669 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
2671 * configure.in (msdosdjgpp): Set exeext and target_alias.
2673 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2675 * flow.c (XNMALLOC): New macro.
2676 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
2678 (add_edge, add_edge_to_label): New static functions.
2679 (free_bb_memory): New function.
2680 (flow_delete_insn): Delete function.
2681 (basic_block_drops_in): Delete variable.
2682 (find_basic_blocks): Allocate and initialize basic_block_head,
2683 basic_block_succ. Don't allocate basic_block_drops_in.
2684 Call free_bb_memory at the beginning.
2685 (find_basic_blocks_1): Don't do multiple passes.
2686 Delete code to compute basic_block_drops_in.
2687 After calling make_edges, mark blocks reached by current block live.
2688 Update test for unreachable live blocks.
2689 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
2691 Simplify to call add_edge_to_label when a LABEL_REF is found.
2692 (make_edges): Simplify to call add_edge_to_label instead of
2693 mark_label_ref most of the time.
2694 Compute here whether control drops into the next block.
2695 (delete_unreachable_blocks): Return void. All callers changed.
2696 Delete unreachable blocks in reverse order.
2697 After deleting all unreachable blocks, renumber the remaining ones
2698 and update n_basic_blocks.
2699 (delete_block): Speed up deletion a bit.
2700 Don't set basic_block_drops_in for deleted blocks.
2701 (free_basic_block_vars): Don't free basic_block_drops_in.
2702 (life_analysis_1): Update to use new edge representation.
2703 (dump_flow_info): Delete code to print basic block info; call
2704 dump_bb_data instead.
2705 (compute_preds_succs): Delete code to recompute basic_block_drops_in
2706 and uid_block_number.
2707 Simply copy the previously computed cfg.
2708 (dump_bb_data): New arg LIVE_INFO. All callers changed.
2709 Print register lifetime information if LIVE_INFO is nonzero.
2710 * basic-block.h (dump_bb_data): Adjust prototype.
2711 * gcse.c (gcse_main): Update call to dump_bb_data.
2712 * rtl.h (free_bb_memory): Declare.
2713 * toplev.c (rest_of_compilation): Call free_bb_memory.
2715 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
2716 (update_eliminable_offsets): Don't compute it.
2717 (set_initial_elim_offsets): Don't initialize it.
2718 Break out some code into set_initial_label_offsets so the rest of
2719 this function can be called from reload_as_needed.
2720 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
2721 ELIMINABLE_REGS isn't.
2722 (set_initial_label_offsets): New function, broken out of
2723 set_initial_elim_offsets.
2724 (set_offsets_for_label): New function, broken out of set_label_offsets
2725 and reload_as_needed.
2726 (reload): Call the two new functions.
2727 (reload_as_needed): Call set_initial_elim_offsets instead of
2728 duplicating the code. Likewise for set_offsets_for_label.
2730 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
2731 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
2732 any hard reg, reg_reloaded_dead contains valid data.
2734 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
2736 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
2737 "stdcall" and "cdecl" attributes.
2739 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
2741 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
2742 handle deleted no-op moves of hard registers.
2743 * haifa-sched.c (update_flow_info): Likewise.
2745 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
2747 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
2748 of the sequences to reload the HILO register which do not actually
2751 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
2753 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
2755 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2757 * except.c (emit_eh_context): Make the EH context register stay alive
2758 at -O0 so stupid.c doesn't get confused.
2760 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2762 * emit-rtl.c (try_split): Do not try to split a BARRIER.
2764 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
2765 Jeffrey A Law (law@cygnus.com)
2767 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
2768 (zero_extendsidi2): Use # in output template and handle completely by
2770 (zero_extend splitters): New define_splits.
2771 (ashiftrt_32): New pattern.
2773 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2775 * tree.c (append_random_chars): New fn.
2776 (get_file_function_name_long): Use it.
2778 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
2780 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
2781 (LIBCPP_OBJS): New. Add cppulp.o.
2782 (cppmain, fix-header): Depend on and use libcpp.a.
2783 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
2784 of the individual object files.
2785 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
2788 * cccp.c (user_label_prefix): New.
2789 (main): Set it off -f*leading-underscore.
2790 (special_symbol): Use it.
2791 * cpplib.c (special_symbol): Likewise.
2792 (cpp_handle_option): Handle -f*leading-underscore.
2793 * cppulp.c: New file.
2795 * output.h (user_label_prefix): Declare it.
2796 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
2797 * toplev.c (f_options, main): Handle -f*leading-underscore.
2799 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
2800 referencing USER_LABEL_PREFIX directly.
2801 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
2802 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
2803 * final.c (asm_fprintf): Use user_label_prefix instead.
2804 * arm/thumb.c (thumb_print_operand): Likewise.
2806 * gcc.c (default_compilers): Pass -f*leading-underscore on to
2807 cpp wherever appropriate.
2809 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
2811 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
2812 specific compiler switches.
2814 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
2816 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
2819 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2821 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
2822 structure which has exactly the members provided by EXTRA_SPECS.
2823 Xmalloc() the real `extra_specs', and initialize it from this
2824 intermediate structure.
2826 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
2828 * mips.h (EXTRA_SPECS): Likewise.
2830 * sparc.h (EXTRA_SPECS): Likewise.
2832 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2834 * function.c (purge_addressof_1): Instead of aborting when a
2835 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
2836 work just put the ADDRESSOF on stack. Otherwise remember all such
2837 successfull replacements, so that exactly the same replacements
2838 can be made on the REG_NOTEs. Remove the special case for CALL
2840 (purge_addressof_replacements): New variable.
2841 (purge_addressof): Clear it at end.
2843 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2845 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
2846 (lang_init): Call check_newline always.
2847 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
2848 cpp_start_read, set yy_cur and yy_lim to read from
2849 parse_in.token_buffer, so that we'll see the first #line
2851 * cpplib.c (cpp_start_read): finclude the main input file
2852 before processing -include/-imacros. Process -imacros and
2853 -include separately, and handle -include by stacking a
2854 buffer for the file in question as if it'd been #included.
2855 * toplev.c (documented_lang_options) Recognize -H when
2858 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2860 * cpplib.c: Merge do_once into do_pragma. Break file handling
2861 code out of do_include.
2862 Move append_include_chain, deps_output,
2863 file_cleanup, redundant_include_p, import_hash,
2864 lookup_import, add_import, read_filename_string, read_name_map,
2865 open_include_file, finclude, safe_read to cppfiles.c.
2866 Move prototypes for deps_output, append_include_chain,
2867 finclude to cpplib.h. Move definition of struct
2868 file_name_list there also.
2870 * cppfiles.c: New file. Contains all the above functions
2871 broken out of cpplib.c; also hack_vms_include_specification
2872 from cccp.c and find_include_file, a new function broken out of
2875 * Makefile.in (cppmain): Depend on cppfiles.o.
2876 (fix-header): Likewise.
2877 (cppfiles.o): New target.
2878 * configure.in (--enable-c-cpplib): Add cppfiles.o to
2879 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
2881 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
2883 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
2884 if pending_types is non-zero.
2885 (dwarfout_finish): Verify pending_types is zero before finishing.
2887 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
2889 * expr.c (convert_move): Use shifts to perform the move if a
2890 suitable extend pattern cannot be found. Code written by
2891 Richard Henderson <rth@cygnus.com>.
2893 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2895 * regclass.c (renumber, regno_allocated): New static variables, moved
2896 out of allocate_reg_info.
2897 (allocate_reg_info): Move these two variables outside the function.
2898 Move code to free memory into new function free_reg_info.
2899 (free_reg_info): New function, broken out of allocate_reg_info.
2900 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
2901 * rtl.h (allocate_reg_info): Don't declare.
2902 (free_reg_info): Declare.
2904 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
2906 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
2908 * toplev.c (compile_file): Temporarily revert last change.
2910 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2912 * c-typeck.c (convert_for_assignment): Parenthesize.
2914 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2916 * reload1.c (delete_output_reload): Avoid ambigous else.
2918 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
2920 * toplev.c (compile_file): Call allocate_reg_info to free register
2922 * rtl.h (allocate_reg_info): Declare.
2924 * PROJECTS: Remove entry for local spilling.
2926 * final.c (cleanup_subreg_operands): New function.
2927 (final_scan_insn): Use it.
2928 (alter_subreg): Clear the "used" field when we turn a SUBREG into
2930 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
2931 operands when reload has finished.
2932 * reload.h (cleanup_subreg_operands): Declare..
2933 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
2934 reload. Handled in reload itself.
2936 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2938 * reload1.c (verify_initial_offsets): New function.
2939 (reload): Call it after reload_as_needed. Also verify that the frame
2940 size stays constant during reload_as_needed.
2941 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
2943 * reload.h (struct insn_chain): Add need_operand_change element.
2944 * reload1.c (new_insn_chain): Clear it.
2945 (calculate_needs_all_insns): Set it; don't overload need_reload.
2946 (reload_as_needed): Use it.
2948 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
2949 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
2950 and reload_address_index_reg_class.
2951 (find_reloads_address_1): Likewise.
2952 * reload.h (reload_address_base_reg_class,
2953 reload_address_index_reg_class): Don't declare.
2954 * reload1.c (reg_old_renumber, pseudo_previous_regs,
2955 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
2956 (used_spill_regs): Now static.
2957 (reload_address_base_reg_class, reload_address_index_reg_class,
2958 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
2959 basic_block_needs, max_needs, group_size, group_mode, max_groups,
2960 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
2963 (init_reload): Delete code to compute base/index reg classes.
2964 (reload): Delete variable J.
2965 Delete code to manage basic_block_needs.
2966 Don't compute regs_explicitly_used.
2967 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
2968 pseudo_previous_regs.
2969 Initialize bad_spill_regs_global.
2970 Don't call order_regs_for_reload here.
2971 Don't initialize spill_reg_order and n_spills.
2972 Don't forbid explicitly used regs to be used for spill regs.
2973 Change main loop to infinite loop, with explicit break statements.
2974 Make SOMETHING_CHANGED variable local to that loop.
2975 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
2976 max_groups_insn, max_nongroups_insn, group_size, group_mode.
2977 Make sure spilled_speudos is cleared before calling spill_hard_reg or
2979 Don't call dump_needs.
2980 Delete code to reset potential_reload_regs.
2981 Delete code to terminate loop conditional on the global needs variables
2982 showing no further needs.
2983 (calculate_needs_all_insns): Return void. All callers changed.
2984 Initialize somehing_needs_elimination here, not in reload.
2985 Delete avoid_return_reg kludge.
2986 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
2987 All callers changed.
2988 Initialize the group_mode and group_size elements of the arg CHAIN.
2989 Delete code to manage basic_block_needs.
2990 Operate on elements of CHAIN instead of global variables.
2991 Delete avoid_return_reg kludge.
2992 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
2993 All callers changed.
2994 Operate on elements of CHAIN instead of global variables.
2995 Delete special SMALL_REGISTER_CLASSES code.
2996 Delete spill_failure code; now in new_spill_reg.
2997 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
2998 All callers changed.
2999 Operate on elements of CHAIN instead of global variables.
3000 (maybe_mark_pseudo_spilled): New static function.
3001 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
3002 All callers changed.
3003 Operate on elements of CHAIN instead of global variables.
3004 Call order_regs_for_reload here, not in reload.
3005 Initialize spill_reg_order and n_spills.
3006 Simplify test whether an asm insn is involved.
3007 Delete spill_failure code; now in new_spill_reg.
3008 Call maybe_mark_pseudo_spilled for everything marked as live in
3009 CHAIN. Merge CHAIN's used_spill_regs into the global variable
3011 (dump_needs): Take CHAIN arg. No longer static, to prevent the
3012 compiler from optimizing this function (now unused) away.
3013 Operate on elements of CHAIN instead of global variables.
3014 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
3016 Operate on elements of CHAIN instead of global variables.
3017 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
3018 take CHAIN arg. All callers changed.
3019 Operate on elements of CHAIN instead of global variables.
3020 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
3021 CHAIN, NONGROUP args. Return void. All callers changed.
3022 Verify caller isn't trying to spill a pseudo.
3023 Simplify test for illegal reg, just use bad_spill_regs.
3024 Generate better error messages.
3025 Operate on elements of CHAIN instead of global variables.
3026 Mark spilled register in CHAIN's used_spill_regs element.
3027 Don't call spill_hard_reg.
3028 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
3029 Mark spilled hard regs in bad_spill_regs_global.
3030 Mark affected pseudos in spilled_pseudos, but don't spill them.
3031 (ior_hard_reg_set): New static function.
3032 (finish_spills): Return int. All callers changed.
3033 Compute spill_reg_order, n_spills and spill_regs here. Also update
3034 regs_ever_live for regs used as spills.
3035 For every pseudo in spilled_pseudos, spill it and mark the previous
3036 hard reg it had in pseudo_previous_regs. Compute which hard regs
3037 arseudo): New static function.
3038 (order_regs_for_reload): Take CHAIN arg. All callers changed.
3039 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
3040 hard registers explicitly used across the current insn into the set.
3041 Compute hard_reg_n_uses taking only pseudos live across this insn
3043 Tweak sorting of potential_reload_regs.
3044 (compare_spill_regs): Delete function.
3045 (reload_as_needed): Don't sort the spill_regs array, it's computed
3046 in proper order in finish_spills.
3047 Delete avoid_return_reg kludge.
3048 Delete code to manage basic_block_needs.
3049 (allocate_reload_reg): Minor speed/readability tweaks.
3050 Operate on elements of CHAIN instead of global variables.
3051 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
3052 Delete avoid_return_reg kludge.
3053 Initialize reload_reg_used from CHAIN's used_spill_regs element.
3054 Delete unused label FAIL.
3055 (reload_combine): Replce reload_address_index_reg_class with
3057 Don't use used_spill_regs to determine information about lifetime of
3060 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
3062 * toplev.c (display_help): Ignore empty target specific
3063 options, and if -W is also specified on the command line then
3064 display undocumented options.
3066 * config/arm/arm.c: Updated with changes in devo sources.
3067 * config/arm/arm.h: Updated with changes in devo sources.
3068 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
3069 * config/arm/lib1thumb.asm: Add ELF support.
3071 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
3073 * collect2.c (aix64_flag): New variable.
3074 (main, case 'b'): Parse it.
3075 (GCC_CHECK_HDR): object magic number must match mode.
3076 (scan_prog_file): Only check for shared object if valid header.
3077 Print debugging if header/mode mismatch.
3079 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
3081 Added support for arm-elf-linux configuration, submitted by Philip
3082 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
3083 code developed by Catherine Moore <clm@cygnus.com>. The following
3086 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
3089 * configure: Regenerated.
3091 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
3092 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
3093 definitions conditional on their not having been already defined.
3095 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
3096 and .type directives, and add "(PLT)" qualification to function
3099 * config/arm/linux.h: Deleted. This file is now superceeded by
3100 either linux-elf.h or linux-aout.h.
3102 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
3103 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
3105 Move definitions from old linux.h file here.
3107 * config/arm/elf.h: New file. Generic ARM/ELF support.
3109 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
3111 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
3113 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
3114 using the 26bit APCS.
3116 * config/arm/unknown-elf.h: New file. Support for OS'es other
3117 than Linux with ELF.
3119 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
3122 * config/arm/coff.h: Include aout.h for basic assembler macros.
3123 Add support for -mstructure_size_boundary=<n> command line option.
3125 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
3126 command line option. Make macro definitions conditional on their
3127 not having been already defined.
3129 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
3130 command line option.
3133 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
3135 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
3136 has been changed to not include a newline. Use this macro instead.
3137 (output_enumeral_list, const_value_attribute, name_attribute,
3138 comp_dir_attribute, prototyped_attribute, producer_attribute,
3139 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
3140 dwarfout_file_scope_decl, generate_new_sfname_entry,
3141 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
3142 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
3144 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
3146 * combine.c (subst): Process the inputs to a parallel asm_operands
3149 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
3151 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
3153 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
3155 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
3157 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
3159 * version.c: Bump for snapshot.
3161 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
3163 * stmt.c (expand_fixup): Set fixup->before_jump to a
3164 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
3166 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3168 * Makefile.in (recog.o): Depend on toplev.h.
3169 (insn-emit.o): Depend on recog.h.
3170 (insn-peep.o): Depend on recog.h and insn-config.h.
3172 * combine.c (simplify_set): Remove unused variable `scratches'.
3174 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
3175 and `idx' in macro conditional controlling their use.
3177 * genemit.c (main): Make the generated output file include
3178 recog.h. Don't have it declare `insn_operand_constraint', since
3179 we get it from recog.h.
3181 * genpeep.c (main): Make the generated output file include
3182 insn-config.h and recog.h.
3184 * recog.c: Include toplev.h.
3185 (extract_insn): Remove unused variable `p'.
3187 * regclass.c (fix_register): Add missing braces around initializer
3189 (allocate_reg_info): Move variable `i' into the scope where it is
3190 used. Change its type to `size_t'.
3192 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3194 * reload.c (push_reload): When merging reloads, make sure
3195 that reload_in_reg and reload_in are from the same reload in
3198 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
3200 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
3201 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3203 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
3205 * loop.c (loop_has_tablejump): New variable.
3206 (prescan_loop): Scan for it.
3207 (insert_bct): Replace explicit scan with use of it.
3208 * regclass.c (regclass): Restore loop variable j.
3209 (record_reg_classes): Deterine op_types modifiers and initialize
3210 classes[i] before matching constraints. Handle matching
3213 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
3215 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
3218 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3220 * mips.h (EXTRA_SPECS): Add missing initializers.
3222 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3224 * sparc.h (EXTRA_SPECS): Add missing initializers.
3225 (sparc_defer_case_vector): Provide a prototype.
3227 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
3228 comparing it to the result of a pointer subtraction.
3230 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3232 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
3233 the argument to (unsigned char).
3235 * alpha.h (EXTRA_SPECS): Add missing initializers.
3236 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
3239 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
3241 * flow.c (life_analysis_1): Enable "rescan" code after reload.
3242 (propagate_block): Delete dead code after reload.
3244 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
3245 back Oct 15, 1998 change.
3246 * haifa-sched.c (update_flow_info): Likewise.
3247 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
3249 * mn10200.md (truncated shift): Accept constant inputs too.
3251 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
3253 * machmode.h (mode_mask_array): No longer const.
3254 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
3256 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3258 * frame.c: Somewhat explain `FDE'.
3259 Suggested by Brendan Kehoe
3261 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
3263 * expr.c (pending_chain): Move up.
3264 (save_expr_status): Do save pending_chain.
3265 (restore_expr_status): And restore it.
3266 * function.h (struct function): Add pending_chain.
3268 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3270 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
3271 did not match the code.
3273 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3275 * regclass.c (regclass): Break out some code into new function
3276 scan_one_insn, and into regclass_init.
3277 (init_cost): New static variable, moved out of regclass.
3278 (regclass_init): Initialize it here, not in .
3279 (scan_one_insn): New static function, broken out of regclass.
3280 * recog.c (apply_change_group): Break out some code into new
3281 function insn_invalid_p.
3282 (insn_invalid_p): New static fn, broken out of apply_change_group.
3284 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
3286 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
3287 reg_reloaded_contents matches incremented pseudo.
3289 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
3291 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3293 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
3294 addressing modes with side effects. These are currently
3295 placeholders for the C4x target.
3297 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3299 * loop.c (express_from): Make sure that when generating a PLUS of
3300 a PLUS, any constant expression appears on the outermost PLUS.
3302 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
3304 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
3305 works if "$(srcdir)" != ".".
3307 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
3309 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
3310 existing SUBREG if we can, otherwise abort.
3312 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
3314 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
3315 `restrict' is applied to a non-pointer variable.
3317 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
3319 * invoke.texi: Document -flang-isoc9x.
3321 * Makefile.in (OBJS): Add splay-tree.o.
3322 (c-common.o): Depend on rtl.h.
3323 (splay-tree.o): List dependencies and provide build rule.
3325 * rtl.h (record_alias_subset): New function.
3326 * alias.c: Include splay-tree.h.
3327 (alias_set_entry): New type.
3328 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
3329 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
3330 (mems_in_disjoin_alias_sets_p): New function.
3331 (alias_set_compare): Likewise.
3332 (insert_subset_children): Likewise.
3333 (get_alias_set_entry): Likewise.
3335 * tree.h (TYPE_RESTRICT): New macro.
3336 (TYPE_UNQUALIFIED): New manifest constant.
3337 (TYPE_QUAL_CONST): Likewise
3338 (TYPE_QUAL_VOLATILE): Likewise.
3339 (TYPE_QUAL_RESTRICT): Likewise.
3340 (tree_type): Add restrict_flag. Reduce count of free bits.
3341 (DECL_POINTER_ALIAS_SET): New macro.
3342 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
3343 (tree_decl): Add pointer_alias_set.
3344 (build_qualified_type): New function.
3345 (build_type_variant): Define in terms of build_qualified_type.
3346 * tree.c (set_type_quals): New function.
3347 (make_node): Initializae DECL_POINTER_ALIAS_SET.
3348 (build_type_attribute_variant): Use build_qualified_type and
3350 (build_type_variant): Rename, and modify, to become...
3351 (build_qualified_type): New function.
3352 (build_complex_type): Use set_type_quals.
3354 * c-tree.h (C_TYPE_OBJECT_P): New macro.
3355 (C_TYPE_FUNCTION_P): Likewise.
3356 (C_TYPE_INCOMPLETE_P): Likewise.
3357 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
3358 (c_apply_type_quals_to_decl): New function.
3359 (c_build_qualified_type): New function.
3360 (c_build_type_variant): Define in terms of c_build_qualified_type.
3361 (flag_isoc9x): Declare.
3362 * c-typeck.c (qualify_type): Use c_build_qualified_type.
3363 (common_type): Change to use TYPE_QUALS.
3364 (comptypes): Likewise.
3365 (convert_for_assignment): Likewise.
3366 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
3367 * c-decl.c (flag_isoc9x): Define.
3368 (c_decode_option): Handle -flang-isoc9x.
3369 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
3370 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
3371 * c-lex.c (init_lex): Deal with restrict.
3372 (init_lex): Don't treat restrict as a reserved word in
3373 -traditional mode, or without -flang-isoc9x.
3374 * c-lex.h (rid): Add RID_RESTRICT.
3375 * c-parse.gperf (restrict, __restrict, __restrict__): Make
3376 equivalent to RID_RESTRICT.
3377 * c-parse.in (TYPE_QUAL): Update comment.
3378 * c-common.c: Include rtl.h.
3379 (c_find_base_decl): New function.
3380 (c_build_type_variant): Rename, and modify, to become ...
3381 (c_build_qualified_type): New function.
3382 (c_apply_type_quals_to_decl): Likewise.
3383 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
3384 a particular alias set for the reference.
3385 * toplev.c (documented_lang_options): Add -flang-isoc9x.
3387 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
3389 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
3390 command line switches.
3392 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
3394 * reload.c (loc_mentioned_in_p): Add missing braces to bind
3397 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
3399 * gcc.c (option_map): Added --classpath and --CLASSPATH.
3401 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
3403 * regclass.c (fix_register): Add error message.
3404 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
3407 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3409 * c-decl.c (warn_missing_noreturn): New global variable.
3410 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
3411 (finish_function): Implement missing noreturn warning.
3413 * c-tree.h (warn_missing_noreturn): Declare extern.
3415 * invoke.texi: Document new flags.
3417 * toplev.c (documented_lang_options): Add description.
3419 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3421 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
3422 loop optimization stable for the C4x.
3423 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
3424 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
3425 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
3427 (c4x_address_conflict): Be more paranoid when packing a volatile
3428 memref in a parallel load/store.
3430 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3432 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
3433 repeat_block_filler): Deleted.
3434 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
3435 Condition code not set if destination register from 'c' class.
3436 (*subbqi3_carry_clobber): Fix typo.
3438 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3440 * reorg.c (steal_delay_list_from_target) Check for insns that
3441 modify the condition codes and effect the direction of the jump
3444 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3446 * function.c (purge_addressof_1): Replace call to
3447 emit_insns_before() with emit_insn_before().
3449 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
3451 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
3453 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3455 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3457 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3459 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3460 clobbered across calls.
3462 * loop.c (scan_loop): Be more selective about what invariants are
3463 moved out of a loop.
3465 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
3467 * version.c: Bump for snapshot.
3469 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3471 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
3472 static eh_context structure.
3474 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3476 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
3478 (try_combine): Don't update max_scratch.
3479 * flow.c (max_scratch, num_scratch): Delete variables.
3480 (life_analysis_1): Don't initialize max_scratch.
3481 (propagate_block): Don't update max_scratch.
3482 (mark_set_1): Don't increment num_scratch.
3483 * regs.h (max_scratch): Delete declaration.
3485 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
3487 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
3488 is nonzero. This is temporary!
3490 * sched.c (update_flow_info): Handle death notes made invalid by
3491 instruction splitting. Partially reverts Oct 15, 1998 patch.
3492 * haifa-sched.c (update_flow_info): Likewise.
3494 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
3496 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
3497 if it has a nonzero DECL_INITIAL.
3499 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3501 * Makefile.in (flow.o): Depend on recog.h.
3503 * cpplib.h (directive_table): Add missing initializiers.
3504 (finclude): Change type of variable `bsize' to size_t.
3506 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
3508 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
3510 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
3511 `int' when comparing against one.
3512 (cpp_file_line_for_message): Mark parameter `pfile' with
3514 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
3516 * flow.c: Include recog.h.
3517 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
3519 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
3520 `f' with ATTRIBUTE_UNUSED.
3521 (reposition_prologue_and_epilogue_notes): Likewise.
3523 * genopinit.c (gen_insn): Cast argument of ctype functions to
3526 * haifa-sched.c: Include recog.h.
3527 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
3528 comparing against one.
3530 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
3532 * mips-tfile.c (parse_end): Cast the argument of ctype function to
3534 (parse_ent): Likewise.
3535 (parse_input): Likewise.
3537 * optabs.c (init_libfuncs): Likewise.
3539 * protoize.c (find_rightmost_formals_list): Likewise.
3541 * recog.h (const_double_operand): Fix typo in prototype.
3543 * tlink.c (scan_linker_output): Cast the argument of ctype
3544 function to `unsigned char'.
3546 * toplev.c (check_lang_option): Cast the result of `strlen' to
3547 `int' when comparing against one.
3549 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3551 * gcse.c (dump_cuid_table): Correct typo.
3553 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
3555 * toplev.c (display_help): Prepend '-m' to target specific
3557 (check_lang_option): Ignore text after end of first word of a
3558 language specific option.
3560 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3562 * reload1.c (reg_used_by_pseudo): New static variable.
3563 (choose_reload_regs): Initialize it.
3564 Use it instead of testing spill_reg_order to determine whether a
3565 pseudo is live in a hard register across the current insn.
3566 Fix a typo in a reference to reload_reg_rtx.
3568 * flow.c (propagate_block): Replace code that computes and uses
3569 regs_sometimes_live with simpler code that just walks the set of
3570 currently live registers.
3572 * Makefile.in (insn-extract.o): Fix dependencies.
3573 * genextract.c (main): Generate includes for insn-config.h and
3575 Delete generation of declarations which are now in recog.h.
3576 * genrecog.c (main): Delete generation of definitions which are
3578 * local-alloc.c (block_alloc): Use extract_insn and the variables
3579 it sets up instead of looking up values by insn_code.
3580 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
3581 recog_dup_num): Define here instead of generating the definition in
3583 (recog_n_operands, recog_n_dups, recog_n_alternatives,
3584 recog_operand_mode, recog_constraints, recog_operand_address_p):
3586 (extract_insn): New function.
3587 * recog.h (extract_insn): Declare function.
3588 (which_alternative, recog_n_operands, recog_n_dups,
3589 recog_n_alternatives, recog_operand_mode, recog_constraints,
3590 recog_operand_address_p): Declare variables.
3591 * regclass.c (n_occurrences): New static function.
3592 * reload.c (n_occurrences): Delete function.
3593 (find_reloads): Use extract_insn.
3594 * reload.h (n_occurrences): Delete declaration.
3596 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
3598 * reload1.c (reload_as_needed): Fix test for when to call
3599 update_eliminable_offsets.
3601 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3603 Fix consistency problems with reg_equiv_{mem,address};
3604 Improve reload inheritance;
3606 * reload.c (reload_out_reg): New variable.
3607 (loc_mentioned_in_p, remove_address_replacements): New functions.
3608 (remove_replacements): Deleted.
3609 (push_reload): Set reload_out_reg[i].
3610 When merging, also set reload_{in,out}_reg[i], and remove
3611 duplicate address reloads.
3612 (combine_reloads): Copy reload_out_reg[i].
3613 (find_reloads): Do make_memloc substitution also when
3614 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3616 Include *recog_operand_loc in commutativity operand changes.
3617 Generate optional output reloads.
3618 Delete reference to n_memlocs. Don't set *recog_operand_loc before
3619 processing operands. Call make_memloc in reg_equiv_address code.
3620 Set *recog_operand_loc only after processing operands, and only
3621 if replace is true. Return a value.
3622 When changing address reload types for operands that didn't get
3623 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
3624 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
3625 Don't emit USEs for pseudo SUBREGs when not replacing.
3626 (find_reloads_address): Do make_memloc substitution also when
3627 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3629 (find_reloads_toplev): Likewise.
3630 Call make_memloc in reg_equiv_address code.
3631 (debug_reload_to_stream): Add code to output reload_out_reg.
3632 (make_memloc): Delete local variable i, ifdefed out code, and
3633 references to memlocs and n_memlocs.
3634 (memlocs, n_memlocs): Delete.
3635 (push_secondary_reload): Clear reload_out_reg.
3636 (find_reloads_address_1): Provide memrefloc argument to all calls
3637 to find_reloads_address.
3638 In AUTO_INC code, handle non-directly addressable equivalences properly.
3639 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
3640 (find_reloads): Add return type.
3641 (remove_address_replacements, deallocate_reload_reg): Declare.
3642 * reload1.c (num_not_at_initial_offset): No longer static.
3643 (delete_address_reloads, delete_address_reloads_1): Likewise.
3644 (deallocate_reload_reg): New function.
3645 (spill_reg_stored_to): New array.
3646 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
3647 (eliminate_regs_in_insn): Move assignments of previous_offset and
3648 max_offset fields, and recalculation of num_not_at_initial_offset
3649 into new static function:
3650 (update_eliminable_offsets) .
3651 (reload_as_needed): Call update_eliminable_offsetss after calling
3653 Call forget_old_reloads_1 with contents of reloaded auto_inc
3654 expressions if the actual addressing can't be changed to match the
3656 (choose_reload_regs): For inheritance, replace
3657 reload_reg_free_before_p test with reload_reg_used_at_all test, and
3658 remove stand-alone reload_reg_used_at_all test.
3659 Use reload_out_reg to determine which reload regs have output reloads.
3660 Treat reload_override_in more similar to inherited reloads.
3661 Handle (subreg (reg... for inheritance.
3662 For flag_expensive_optimizations, add an extra pass to remove
3663 unnecessary reloads from known working inheritance.
3664 Delete obsolete code for pseudos replaced with MEMs.
3665 Handle inheritance from auto_inc expressions.
3666 (emit_reload_insns): If reload_in is a MEM, set OLD to
3668 Don't reload directly from oldequiv; if it's a pseudo with a
3669 stack slot, use reload_in[j].
3670 Check that reload_in_reg[j] is a MEM before replacing reload_in
3671 from reg_reloaded_contents.
3672 Include non-spill registers in reload inheritance processing.
3673 Also try to use reload_out_reg to set spill_reg_store /
3674 reg_last_reload_reg.
3675 In code to set new_spill_reg_store, use single_set to find out if
3676 there is a single set.
3677 Add code that allows to delete optional output reloads.
3678 Add code to allow deletion of output reloads that use no spill reg.
3679 At the end, set reload_override_in to oldequiv.
3680 Also call delete_output_reload if reload_out_reg is equal to old
3682 Add code to call delete_output_reload for stores with no matching load.
3683 Set / use spill_reg_stored_to.
3684 Handle case where secondary output reload uses a temporary, but
3685 actual store isn't found.
3686 When looking for a store of a value not loaded in order to call
3687 delete_output_reload, count_occurences should return 0 for no
3688 loads; but discount inherited input reloadill_reg_stored_to.
3689 Do checks for extra uses of REG. Changed all
3691 Use delete_address_reloads.
3692 (reload): Take return value of find_reloads into account.
3693 If a no-op set needs more than one reload, delete it.
3694 (reload_reg_free_before_p): RELOAD_FOR_INPUT
3695 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
3696 for the same operand.
3697 (clear_reload_reg_in_use): Check for other reloads that keep a
3699 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
3700 RELOAD_FOR_OPADDR_ADDR.
3701 Take into account when an address address reload is only needed
3702 for the address reload we are considering.
3703 (count_occurrences): Use rtx_equal_p for MEMs.
3704 (inc_for_reload): Return instruction that stores into RELOADREG.
3705 New argument two, IN, and rtx. Changed all callers.
3706 (calculate_needs_all_insns, reload_as_needed):
3707 Don't clear after_call for a CLOBBER.
3708 Keep track of how many hard registers need to be copied from
3709 after_call, and don't clear after_call before we have seen
3710 that much copies, or we see a different instruction.
3712 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
3714 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
3715 after reload has completed.
3717 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
3719 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
3720 a macro name and the next token with a single blank if that whitespace
3721 is in a macro buffer and the next token is not '('.
3723 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
3725 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
3727 (skip_if_group): Ditto.
3728 (skip_to_end_of_comment): Ditto.
3730 (discard_comments): Ditto.
3731 (change_newlines): Ditto.
3733 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
3735 * c-lex.c (yylex): Fix unaligned access of wchar_t.
3737 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
3739 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
3740 (TARGET_OPTIONS): Add --help documentation.
3742 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3744 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
3746 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
3748 * fixinc/* Moved in from ../contrib directory in preparation
3749 for integrating it into the normal build process. In particular,
3750 fixinc/Makefile.in must be config-ed into the build directory
3751 as fixinc/Makefile. Proposed patches to ./Makefile.in and
3752 ./configure.in will be "in the mail" momentarily.
3754 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
3756 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
3757 accidently walk into the free list. Comment how that can happen.
3758 (invalidate): Fix indentation.
3760 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3761 Jeffrey A Law (law@cygnus.com)
3763 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
3764 reload. Never perform rescans of the insn chain after reload.
3765 (propagate_block): Do not delete insn or create new autoinc addressing
3768 * jump.c (jump_optimize): Unconditionally use the code that was
3769 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
3770 * reload1.c (reload): When reloading is finished, delete all
3771 REG_DEAD and REG_UNUSED notes.
3772 (emit_reload_insns): Delete all code that was conditional on
3773 PRESERVE_DEATH_INFO_REGNO_P.
3774 (no_longer_dead_regs): Delete variable.
3775 (reload_cse_delete_death_notes): Delete function.
3776 (reload_cse_no_longer_dead): Delete function.
3777 (reload_cse_regs_1): Delete all code to handle deletion of death
3779 (reload_cse_noop_set_p): Likewise.
3780 (reload_cse_simplify_set): Likewise.
3781 (reload_cse_simplify_operands): Likewise.
3782 (reload_cse_move2add): Likewise.
3783 * reorg.c (used_spill_regs): Delete declaration.
3784 (max_label_num_after_reload): Delete declaration.
3785 (find_dead_or_set_registers): Don't assume that spill regs are
3786 dead at a CODE_LABEL.
3787 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
3789 * sched.c (sched_analyze_insn): Likewise.
3790 (update_flow_info): Likewise.
3791 * haifa-sched.c (sched_analyze_insn): Likewise.
3792 (update_flow_info): Likewise.
3793 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
3794 * toplev.c (max_label_num_after_reload): Delete variable.
3795 (rest_of_compilation): Don't set max_label_num_after_reload.
3796 Call life_analysis after reload_cse_regs if optimizing.
3797 * config/gmicro/gmicro.h: Delete comment referring to
3798 PRESERVE_DEATH_INFO_REGNO_P.
3799 * config/i386/i386.h: Likewise.
3800 * config/m88k/m88k.h: Likewise.
3801 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
3802 * config/sh/sh.h: Likewise.
3804 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
3806 * loop.c (strength_reduce): Restore marking bct_p as
3808 * rs6000.c (optimization_options): Change #ifdef HAIFA to
3809 HAVE_decrement_and_branch_on_count.
3810 (small_data_operand): Remove TARGET_ELF condition for marking
3811 parameters ATTRIBUTE_UNUSED.
3813 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
3815 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
3816 (SELECT_SECTION): Resync with svr4.h.
3818 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
3820 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
3823 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
3825 * c-pragma.c (handle_pragma_token): Test for null tree before
3826 dereferencing TREE_CODE.
3828 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3830 * config/c4x/c4x.c: Convert to use GEN_INT.
3831 (c4x_parallel_process): Rework to handle new repeat loop structure.
3833 * config/c4x/c4x.md: Convert to use GEN_INT.
3834 (rptb_end): Convert to use GE test. Replace uses with clobbers.
3835 (decrement_and_branch_on_count): Likewise.
3837 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
3838 loop.c has the desired functionality.
3839 (rc_reg_operand): New prototype.
3841 * config/c4x/t-c4x: Can now build all front ends.
3843 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
3845 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
3847 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
3849 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
3850 * config/t-rtems: Do not install assert.h -- use newlib's.
3852 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3854 * combine.c (combine_instructions): When finished, call init_recog.
3855 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
3857 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
3859 * toplev.c: If flag_syntax_only, don't open or write assembler file.
3861 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3863 * cppalloc.c (memory_full): Mark function prototype with
3866 * demangle.h (collect_exit): Likewise.
3868 * fix-header.c (v_fatal, fatal): Likewise.
3870 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
3873 * gcov.c (print_usage): Likewise.
3875 * genattr.c (fatal, fancy_abort): Likewise.
3877 * genattrtab.c (fatal, fancy_abort): Likewise.
3879 * gencodes.c (fatal, fancy_abort): Likewise.
3881 * genconfig.c (fatal, fancy_abort): Likewise.
3883 * genemit.c (fatal, fancy_abort): Likewise.
3885 * genextract.c (fatal, fancy_abort): Likewise.
3887 * genflags.c (fatal, fancy_abort): Likewise.
3889 * genopinit.c (fatal, fancy_abort): Likewise.
3891 * genoutput.c (fatal, fancy_abort): Likewise.
3893 * genpeep.c (fatal, fancy_abort): Likewise.
3895 * genrecog.c (fatal, fancy_abort): Likewise.
3897 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
3898 __sjpopnthrow, __throw): Likewise.
3900 * objc/objc-act.c (objc_fatal): Likewise.
3902 * protoize.c (usage, aux_info_corrupted,
3903 declare_source_confusing): Likewise.
3905 * rtl.c (dump_and_abort): Likewise.
3907 * rtl.h (sets_cc0_p): Likewise.
3909 * toplev.c (float_signal, pipe_closed): Likewise.
3911 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3913 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
3914 when generating the decision tree for the general case.
3916 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
3917 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
3919 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3921 * Makefile.in (sched.o): Depend on recog.h.
3923 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
3924 (unsigned) when comparing against one.
3925 (find_base_value): Likewise.
3926 (record_base_value): Cast variable `regno' to (unsigned) when
3927 comparing against one. Cast the result of REGNO() macro to
3928 (unsigned) when comparing against one.
3929 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
3931 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
3932 variable where an unsigned index is needed.
3934 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
3935 before comparing against one.
3937 * collect2.c: Add prototypes for functions `error', `fatal' and
3938 `fatal_perror'. Make these functions take variable arguments
3939 instead of faking it with a fixed number of args.
3940 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
3943 * combine.c (can_combine_p): Mark parameter `pred' with
3945 (find_split_point): Cast variable `src' to (unsigned
3946 HOST_WIDE_INT) when comparing against one.
3947 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
3948 (simplify_logical): Likewise.
3949 (force_to_mode): Cast result of INTVAL() macro to (unsigned
3950 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
3951 HOST_WIDE_INT) in shift.
3952 (simplify_and_const_int): Cast result of INTVAL() macro to
3953 `unsigned HOST_WIDE_INT' when comparing against one.
3954 (merge_outer_ops): Cast variable const0 to `unsigned
3955 HOST_WIDE_INT' when comparing against the result of
3956 GET_MODE_MASK() macro.
3957 (simplify_comparison): Likewise for variable `c0'. Cast variable
3958 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
3959 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
3960 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
3961 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
3962 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
3963 comparing against one.
3964 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
3966 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
3967 macro to `unsigned HOST_WIDE_INT' when comparing against one.
3968 (output_block_move): Cast `sizeof' expression to (int) when
3969 comparing against one.
3970 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
3972 (save_restore_insns): Cast `base_offset' to `long' to match format
3973 specifier in fprintf.
3975 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
3976 to `enum machine_mode'.
3978 * flow.c (life_analysis_1): Remove unused variable `insn'.
3980 * gcc.c (translate_options): Move variables `j' and `k' into the
3981 scope in which they are used. Change their types to `size_t'.
3982 (set_spec): Cast the argument of ctype macro to `unsigned char'.
3983 (read_specs): Likewise.
3984 (process_command): Cast `sizeof' to (int) when comparing against one.
3985 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
3986 (handle_braces): Cast both sides of `==' expression to `long' to
3987 ensure sign matching.
3988 (main): Cast variable `i' to `int' when comparing against one.
3990 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
3991 int to size_t. Cast variable `i' to size_t when comparing against
3994 * genattrtab.c (convert_set_attr_alternative): Remove unused
3995 parameter `insn_code'. All callers changed.
3996 (convert_set_attr): Likewise.
3998 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
3999 size_t when comparing against one. Likewise for variable `len'.
4001 * global.c (global_alloc): Cast variable `max_regno' to size_t
4002 when comparing against one. Likewise for variable `max_allocno'.
4004 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
4006 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
4007 `set' with ATTRIBUTE_UNUSED.
4008 (find_free_reg): Cast `sizeof' expression to (int) when comparing
4011 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
4012 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
4013 (get_condition): Cast variable `const_val' to `unsigned
4014 HOST_WIDE_INT' when comparing against one. Cast unsigned
4015 expression to HOST_WIDE_INT when comparing against one.
4016 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
4017 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
4018 `unsigned' when comparing against one.
4020 * protoize.c (is_id_char): Change type of parameter `ch' to
4022 (munge_compile_params): Cast argument of ctype macro to (const
4024 (process_aux_info_file): Cast variable `aux_info_size' to int when
4025 comparing against one.
4026 (forward_to_next_token_char): Cast argument of ctype macro to
4027 `const unsigned char'.
4028 (edit_formals_lists): Likewise.
4029 (find_rightmost_formals_list): Likewise.
4030 (add_local_decl): Likewise.
4031 (add_global_decls): Likewise.
4032 (edit_fn_definition): Likewise.
4033 (do_cleaning): Likewise.
4034 (scan_for_missed_items): Likewise.
4035 (edit_file): Cast variable `orig_size' to (int) when comparing
4037 (main): Cast argument of ctype macro to `const unsigned char'.
4039 * recog.c (const_int_operand): Mark parameter `mode' with
4042 * regclass.c (record_reg_classes): Change type of variable `c' to
4043 `unsigned char'. Cast `char' array index to `unsigned char'.
4045 * reload.c (push_secondary_reload): Cast argument to
4046 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
4048 * reload1.c (calculate_needs): Cast `char' array index to
4050 (set_label_offsets): Change type of variable `i' to unsigned int.
4051 Cast result of XVECLEN() macro to unsigned when comparing against
4053 (mark_not_eliminable): Change type of variable `i' to unsigned.
4054 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
4055 when comparing against one.
4056 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
4057 comparing against one.
4058 (choose_reload_regs): Hide unused label `fail'.
4059 (reload_cse_simplify_operands): Cast `char' array index to
4061 (reload_combine_note_store): Mark parameter `set' with
4062 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
4064 (reload_cse_move2add): Remove unused variable `src2'.
4066 * sched.c: Include recog.h.
4067 (sched_note_set): Remove unused parameter `b'. All callers
4069 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
4070 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
4071 when comparing against one.
4073 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
4074 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
4075 comparing against one.
4077 * unroll.c (precondition_loop_p): Remove unused parameter
4078 `loop_end'. All callers changed.
4080 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4082 * reload1.c (maybe_fix_stack_asms): New static function.
4085 * reload.h (compute_use_by_pseudos): Declare.
4087 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
4088 (something_needs_reloads): Delete variable.
4089 (finish_spills): New function.
4090 (compute_use_by_pseudos): New function.
4092 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
4093 Use the reload_insn_chain instead of walking the rtl directly.
4095 (reload): Allocate and free spilled_pseudos.
4096 Ensure that all calls of spill_hard_reg are followed by a call to
4098 Use the insns_need_reload list instead of something_needs_reloads
4099 to find out if reload_as_needed must be called.
4100 Clear unused_insn_chains at the end.
4102 (calculate_needs_all_insns): Lose FIRST parameter. All callers
4104 Delete code to keep track of current basic block.
4105 Walk reload_insn_chain instead of the rtl structure. Build the
4106 insns_need_reload chain.
4107 Remember which insns need reloading/elimination by setting the
4108 appropriate fields in struct insn_chain, not by putting modes on the
4111 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
4112 arg INSN. All callers changed.
4113 Delete declaration of struct needs.
4114 Don't set something_needs_reloads.
4115 Record insn needs in the CHAIN argument.
4117 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
4119 (reload_as_needed): Lose FIRST arg. All callers changed.
4120 Walk the reload_insn_chain instead of the rtx structure.
4121 Delete code to keep track of current basic block.
4122 Rename one of the NEXT variables to OLD_NEXT.
4124 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
4126 (choose_reload_regs): Likewise.
4128 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
4131 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
4132 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
4133 (hard_regs_live, hard_regs_need_restore): Delete variables.
4134 (n_regs_saved): Now static.
4135 (referenced_regs, this_insn_sets): New variables.
4137 (setup_save_areas): Restructure the code a bit.
4139 (restore_referenced_regs): Delete function.
4140 (mark_referenced_regs): New function, similar to the old
4141 restore_referenced_regs, but mark registers in referenced_regs.
4143 (clear_reg_live): Delete function.
4144 (mark_set_regs): Renamed from set_reg_live. All callers changed.
4145 Only mark registers in this_insn_sets.
4147 (save_call_clobbered_regs): Rework this function to walk the
4148 reload_insn_chain instead of using the list of instructions directly.
4149 Delete code to keep track of register lives, compute live regs on the
4150 fly from information in the chain.
4151 Instead of calling restore_referenced_regs, use mark_referenced_regs,
4152 then walk the set it computes and call insert_restore as appropriate.
4154 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
4156 Restructure the code a bit. Test hard_regs_saved instead of
4157 hard_regs_need_restore.
4158 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
4159 args. All callers changed.
4160 Restructure the code a bit. Use TO_SAVE to determine which regs to
4161 save instead of more complicated test.
4162 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
4164 Create a new insn_chain structure for the new insn and place it
4167 * rtl.texi: Update documentation to reflect that reload no longer
4168 puts modes on the insns.
4170 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4172 * function.c (purge_addressof_1): Force the first argument of a
4173 CALL insn to memory.
4175 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
4177 * rtl.h: Delete duplicate prototypes. Add some missing
4179 * rtlanal.c: (for_each_rtx): Formatting tweak.
4181 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4183 * real.c (emdnorm and etoasc): Disable round to even for c4x target
4184 to be compatible with TI compiler.
4186 * Makefile.in (USER_H): Add va-c4x.h to definition.
4188 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
4190 * function.c (purge_addressof_1): Fix typo in inequality: do
4191 bitfield optimization for equal mode sizes.
4192 * expmed.c (store_bit_field): Don't take subregs of subregs in
4193 the movstrict case. Tidy a potential problem in the multi-word case.
4194 (extract_bit_field): Likewise.
4196 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4198 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
4200 Compute max_uid_for_flow by calling get_max_uid after the scan.
4201 (find_basic_blocks_1): Don't emit NOPs here.
4203 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
4205 * alias.c (base_alias_check): Accept new args for the modes of the
4206 two references. Use them to determine if an AND can overlap. Update
4208 (memrefs_conflict_p): Assume sizes are aligned, and uses them
4209 to determine if an AND can overlap.
4211 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
4213 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
4214 check. Add comment to document problems with TARGET_SUN_FPA version
4216 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
4218 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4220 * Makefile.in (gencheck.o): Depend on gansidecl.h.
4222 * c-common.c (print_char_table): Add missing initializers.
4223 (scan_char_table): Likewise.
4224 (time_char_table): Likewise.
4226 * c-decl.c (c_decode_option): Mark parameter `argc' with
4228 (declare_parm_level): Mark parameter `definition_flag' with
4231 * c-lex.c (readescape): Use `(unsigned)1' in shift.
4232 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
4235 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
4237 (emit_call_1): Mark parameters `fndecl' and `funtype' with
4239 (expand_call): Cast result of MIN() to (unsigned int) when
4240 comparing against an unsigned value.
4242 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
4244 (make_definition): Remove unused parameter `op'. All callers
4246 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
4247 comparing against the result of pointer arithmetic.
4249 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
4250 when comparing against one.
4252 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
4253 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
4255 (output_die): Move variable `i' into the scope in which it is
4256 used. Change its type to `unsigned'.
4257 (output_die): Cast the result of `strlen' to (int) when passing it
4258 to ASM_OUTPUT_ASCII().
4259 (output_pubnames): Likewise.
4260 (output_line_info): Likewise.
4262 * emit-rtl.c (global_rtl): Add missing initializers.
4264 * explow.c (promote_mode): Mark parameter `for_call' with
4267 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
4268 `unsigned HOST_WIDE_INT' when comparing against one.
4269 (synth_mult): Change type of variable `cost' to int.
4270 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
4272 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
4273 when comparing against one.
4274 (get_inner_reference): Change variable `alignment' to unsigned.
4275 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
4276 int) when comparing against one.
4277 (expand_builtin_setjmp): Change type of variable `i' to size_t.
4279 * fold-const.c (div_and_round_double): Cast BASE to
4280 (HOST_WIDE_INT) when comparing against one.
4282 * gencheck.c: Include gansidecl.h.
4283 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
4285 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
4286 `tcode' with ATTRIBUTE_UNUSED.
4288 * real.c (edivm): Cast constant value to (unsigned long) in
4289 expression compared against an unsigned value.
4291 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
4292 comparing against one.
4293 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
4294 when comparing against one.
4296 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
4297 (unsigned int) when comparing against one. Likewise for
4299 (smallest_mode_for_size): Likewise.
4300 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
4301 (restore_storage_status): Likewise.
4303 * toplev.c (debug_args): Add missing initializer.
4304 (f_options): Spelling correction. Add missing initializers.
4305 (documented_lang_options): Likewise.
4306 (debug_end_source_file): Mark parameter `lineno' with
4309 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
4310 `decl' and `type' with ATTRIBUTE_UNUSED.
4312 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
4313 when comparing against one.
4314 (assemble_variable): Mark parameter `top_level' with
4316 (assemble_external_libcall): Mark parameter `fun' with
4318 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
4321 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
4323 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
4324 Replace use of r5 with use of r19.
4326 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
4328 * config/v850/v850.c (compute_register_save_size): Allow for the
4329 fact that helper functions save all registers, not just those used
4332 Replace constant 31 with macro LINK_POINTER_REGNUM.
4334 * config/v850/v850.md: Use 'indirect_operand' rather than
4335 'memory_operand' for bit test/set/clear patterns.
4337 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
4339 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
4340 * varasm.c (assemble_start_function et al): Don't call
4341 ASM_GLOBALIZE_LABEL for weak symbols.
4343 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
4345 * cse.c (equiv_constant): Check for NULL return from
4346 gen_lowpart_if_possible().
4348 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
4350 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
4352 * collect2.c (main): Pass -EL/-EB through to the compiler.
4354 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4356 * expr.c (push_block): Handle targets where the stack grows
4357 to higher addresses, but args grow to lower addresses and
4358 ACCUMULATE_OUTGOING_ARGS is not defined.
4360 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
4362 * config/v850/v850.c (print_operand): Extend meaning
4363 of 'c' operands to support .vtinherit.
4365 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4367 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
4368 Added ATTRIBUTE_UNUSED to unused function arguments.
4369 (rc_reg_operand): New predicate.
4370 (c4x_rptb_insert): New function.
4371 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
4372 (c4x_optimization_options): New function.
4374 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
4375 (decrement_and_branch_on_count): New pattern.
4376 (rptb_top): Modified pattern to work with BCT optimization.
4378 * config/c4x/c4x.h (RC_REG): New register class.
4379 (rc_reg_operand): Define prototype.
4380 (IS_RC_REG): New macro.
4381 (IS_RC_OR_PSEUDO_REG): New macro.
4382 (IS_RC_OR_PSEUDO_REGNO): New macro.
4383 (OPTIMIZATION_OPTIONS): Define.
4385 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
4387 * collect2.c (extract_init_priority): No priority is 65535.
4389 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4391 * Makefile.in (build_tooldir): new variable, same as old
4392 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
4393 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
4394 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
4396 * configure.in (gxx_include_dir): set default based on unlibsubdir
4397 * Makefile.in (tooldir): ditto
4398 (cccp.o, cpplib.o): use unlibsubdir implicitly through
4399 gxx_include_dir, includedir and tooldir
4400 (protoize.o, unprotoize.o): ditto
4402 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
4404 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
4406 * config/arm/thumb.c (thumb_override_options): Add warning about
4407 PIC code not being supported just yet.
4409 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
4411 * flow.c: Update comment.
4412 (notice_stack_pointer_modification): New static function.
4413 (record_volatile_insns): Use it.
4414 (mark_regs_live_at_end): Mark the stack pointer as alive
4415 at the end of the function if current_function_sp_is_unchanging
4417 (life_analysis_1): Set current_function_sp_is_unchanging.
4418 * function.c: Define it.
4419 (init_function_start): Initialize it.
4420 * output.h: Declare it.
4421 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
4422 the stack pointer as alive at the end of the function if
4423 current_function_sp_is_unchanging is set.
4424 * i386.c (ix86_epilogue): Optimize the restoring
4425 of the stack pointer.
4427 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
4429 * version.c: Bump for snapshot.
4431 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
4433 * c-pragma.c (handle_pragma_token): If passed a token instead
4434 of a tree, use that as the pack value.
4436 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
4438 * flow.c (find_basic_blocks_1): Fix prototype.
4440 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
4442 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
4443 (struct tree_decl): New fields no_check_memory_usage.
4444 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
4445 (init_attributes): Register it as a new attribute.
4446 (decl_attributes): Set flags on functions given that attribute.
4447 * c-decl.c (duplicate_decls): Merge new attribute.
4448 * expr.h (current_function_check_memory_usage): Declare new var.
4449 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
4450 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
4451 current_function_check_memory_usage.
4452 * function.h: Add field to struct function.
4453 * function.c (current_function_check_memory_usage): Define it.
4454 (push_function_context_to, pop_function_context_from): Save and
4456 (expand_function_start): Set it, based on global flag and function
4459 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4460 check non-automatic variables, to permit detection of writes to
4461 read-only locations in embedded systems without memory management.
4462 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4463 when emitting chkr_set_right_libfunc call, even if the argument is
4464 BLKmode or variable-sized; don't abort.
4466 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
4467 symbols in Pmode, not VOIDmode.
4469 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4471 * cppexp.c: When forcing unsigned comparisons, cast both sides
4474 * cpphash.h: Move static declaration of hashtab[]...
4475 * cpphash.c: ...here.
4477 * cpplib.c: Cast difference of two pointers to size_t before
4478 comparing it to size_t. Cast signed to unsigned
4479 before comparing to size_t. (FIXME: struct argdata should use
4480 unsigned buffer sizes.)
4481 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
4482 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
4483 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
4484 size_t before comparison.
4486 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
4488 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
4489 (find_basic_blocks_1): Similarly.
4490 * output.h (find_basic_blocks): Fix prototype.
4491 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
4492 find_basic_blocks anymore.
4494 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
4496 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
4497 (sbitmap_free, sbitmap_vector_free): New macros.
4498 * output.h (rtl_dump_file): Declare.
4500 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
4502 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
4504 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4506 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
4508 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
4509 (divide): Remove unused variable `tmp'.
4510 (si_to_float): Cast numeric constant to (SItype) before comparing
4513 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
4515 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
4516 * gcc.c (add_preprocessor_option): Correct typo when allocating
4517 memory, sizeof() argument had one too many `*'.
4518 (add_assembler_option): Likewise.
4519 (add_linker_option): Likewise.
4520 * gcov.c (output_data): Likewise.
4521 * local-alloc.c (memref_used_between_p): Likewise.
4522 (update_equiv_regs): Likewise.
4523 * loop.c (strength_reduce): Likewise.
4524 * reg-stack.c (record_asm_reg_life): Likewise.
4525 (subst_asm_stack_reg): Likewise.
4526 * reorg.c (dbr_schedule): Likewise.
4528 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4530 * flow.c (life_analysis_1): Break out some functions.
4531 (find_basic_blocks_1): Likewise. Also move some variables out and
4533 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
4534 new static var nonlocal_label_list with it.
4535 (active_eh_region, nested_eh_region, label_value_list,
4536 nonlocal_label_list): New static variables.
4537 (make_edges, delete_unreachable_blocks, delete_block): New static
4538 functions, broken out of find_basic_blocks_1.
4539 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
4540 noop_move_p): New static functions, broken out of life_analysis_1.
4542 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
4544 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
4545 Take extra care for op0 now possibly being a subreg.
4546 (extract_bit_field): Likewise.
4547 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
4548 the reg to memory if there is no equal sized integral mode.
4549 * stor-layout.c (int_mode_for_mode): New function.
4550 * machmode.h: Prototype it.
4552 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
4554 * global.c (build_insn_chain): Verify no real insns exist past the
4555 end of the last basic block, then exit the loop.
4557 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4559 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
4561 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
4563 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
4565 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
4567 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
4569 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
4571 * flow.c (find_basic_blocks): Correctly determine when a call
4572 is within an exception region.
4574 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
4576 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
4578 * cpplib.h: Protect from multiple inclusions.
4579 * cpplib.c: Fix minor formatting problems.
4581 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
4583 * jump.c (jump_optimize): Revert accidental patch.
4585 * Makefile.in (cpplib.o): Use unlibsubdir.
4587 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
4589 * loop.c (get_condition): Allow combine when either compare is
4592 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
4594 * version.c: Bump for snapshot.
4596 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
4598 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
4599 (init_lex): Initialize ridpointers[RID_BYREF].
4600 * c-lex.h (enum rid): Add RID_BYREF.
4601 * c-parse.gperf: Add RID_BYREF as a type qualifier.
4602 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
4603 (encode_type_qualifiers): Similarly
4604 * c-gperf.h: Rebuilt.
4606 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
4608 * c-common.c (type_for_mode): Only return TItype nodes when
4609 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4610 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
4611 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4612 (init_decl_processing): Only create TItype nodes when
4613 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4614 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
4615 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4617 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4619 * stmt.c (n_occurrences): New static function.
4620 (expand_asm_operands): Verify that all constrains match in the
4621 number of alternatives.
4622 Verify that '+' or '=' are at the beginning of an output constraint.
4623 Don't allow '&' for input operands.
4624 Verify that '%' isn't written for the last operand.
4625 * reload.c (find_reloads): Abort if an asm is found with invalid
4626 constraints; all possible problems ought to be checked for earlier.
4628 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4630 * flags.h (flag_branch_on_count_reg): Always declare
4631 * toplev.c (flag_branch_on_count_reg): Likewise.
4632 * toplev.c: Fix typos.
4634 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
4637 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
4639 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
4641 (find_basic_blocks_1): Add a nop to the end of a basic block when
4642 a trailing call insn does not have abnormal control flow.
4643 * gcse.c (pre_transpout): New variable.
4644 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
4645 (compute_pre_transpout): Calculate it.
4646 (compute_pre_ppinout): Use it to eliminate impossible placements
4647 due to abnormal control flow through calls.
4648 (compute_pre_data): Call compute_pre_transpout.
4650 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4652 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
4654 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
4656 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
4657 and matching define_insns): Tack on a `use' of the table label, so
4658 flow analysis will recognize a tablejump.
4660 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
4662 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
4663 always end basic blocks for abnormal edge reasons.
4665 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
4667 * config/i386/i386.h: Remove definition of
4668 HANDLE_PRAGMA_PACK_PUSH_POP.
4670 * config/i386/go32.h: Add definition of
4671 HANDLE_PRAGMA_PACK_PUSH_POP.
4673 * config/i386/win32.h: Add definition of
4674 HANDLE_PRAGMA_PACK_PUSH_POP.
4676 * config/i386/cygwin32.h: Add definition of
4677 HANDLE_PRAGMA_PACK_PUSH_POP.
4679 * c-pragma.c (insert_pack_attributes): Do not insert
4680 attributes unless #pragma pack(push,<n>) is in effect.
4682 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
4684 * expr.c (emit_group_store): Handle a PARALLEL destination.
4686 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
4688 * gcse.c (pre_insert_insn): When a call ends a bb, insert
4689 the new insns before the argument regs are loaded.
4691 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4693 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
4694 (c-parse.gperf): Update comments describing invocation flags.
4695 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
4697 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
4699 * reload1.c (reload): Call free before clobbering the memory
4700 locations or constants pointers.
4702 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4704 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
4705 for efficiency by checking whether we need to modify the current
4706 stack permission at all.
4707 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
4708 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
4709 __enable_execute_stack libcall here too if
4710 TRANSFER_FROM_TRAMPOLINE is defined.
4711 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
4714 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
4716 * Makefile.in (DRIVER_DEFINES): Remove last change.
4718 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4720 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
4721 insns we're going to copy.
4722 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
4724 * loop.c (count_one_set): Add prototype.
4726 * caller-save.c (restore_referenced_regs): Lose mode argument.
4727 (insert_save): Lose mode argument.
4728 (insert_restore): Lose mode argument.
4729 (insert_one_insn): Lose mode argument.
4730 (save_call_clobbered_regs): Lose mode argument.
4731 (setup_save_areas): Take no argument and return void. All callers
4733 Don't verify validity of memory addresses.
4734 * reload.h (setup_save_ares): Adjust prototype.
4735 (save_call_clobbered_regs): Likewise.
4736 * reload1.c (delete_caller_save_insns): New function.
4737 (caller_save_spill_class): Delete variable.
4738 (caller_save_group_size): Delete variable.
4739 (reload): Call setup_save_areas and save_call_clobbered_regs
4740 in the main loop, before calling calculate_needs_all_insns.
4741 Don't call save_call_clobbered_regs after the loop.
4742 Call delete_caller_save_insns at the end of an iteration if
4744 Delete code to manage caller_save_spill_class.
4745 Emit the final note before setting reload_first_uid.
4746 Simplify test that determines whether reload_as_needed gets run.
4747 (calculate_needs): Delete code to manage caller_save_spill_class.
4749 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
4751 * collect2.c (main): Initialize ld_file_name.
4753 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
4755 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
4756 check for flag_function_sections.
4758 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4760 * cse.c (insert_regs): Fix bug in Sep 24 change.
4762 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4764 * flags.h (flag_dump_unnumbered): Declare.
4765 * toplev.c (flag_dump_unnumbered): Don't declare.
4766 * print-rtl.c (flags.h): Include.
4767 (print_rtl_single): Add return value.
4768 * rtl.h (print_rtl_single): Update declaration.
4769 * flow.c (flag_dump_unnumbered): Don't declare.
4770 (print_rtl_with_bb): Use return value of print_rtl_single.
4772 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4774 * loop.c (count_one_set): New static function, broken out of
4776 (count_loop_regs_set): Call it.
4777 * global.c (mark_reg_store): Handle clobbers here by not calling
4779 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
4780 is in fact a clobber.
4781 * integrate.c (process_reg_param): New function, broken out of
4782 expand_inline_function.
4783 (expand_inline_function): Call it.
4786 * i386.md (addsidi3_1): Delete unused variable temp.
4787 (addsidi3_2): Likewise.
4788 (clstrstrsi): Delete unused variable addr1.
4790 * rtl.h: Don't declare any functions also declared in recog.h.
4792 * Makefile.in (stupid.o): Update dependencies.
4793 (global.o): Likewise.
4795 * global.c: Include reload.h
4796 (reg_becomes_live): New function.
4797 (reg_dies): New function.
4798 (build_insn_chain): New function.
4799 (global_alloc): Call build_insn_chain before calling reload.
4801 * reload.h (struct needs): New structure definition.
4802 (struct insn_chain): Likewise.
4803 (reload_insn_chain): Declare variable.
4804 (new_insn_chain): Declare function.
4807 * reload1.c (reload_startobj): New variable.
4808 (reload_insn_chain): New variable.
4809 (unused_insn_chains): New variable.
4810 (new_insn_chain): New function.
4811 (init_reload): Initialize reload_startobj, not reload_firstobj.
4812 (reload): Initialize reload_firstobj.
4813 Before returning, free everything on the reload_obstack.
4815 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
4816 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
4817 current_chain): New variables.
4818 (reg_where_born): Delete variable.
4819 (REG_WHERE_BORN): New macro.
4820 (find_clobbered_regs): New function.
4821 (stupid_life_analysis): Don't allocate/free reg_where_born.
4822 Allocate and free reg_where_born_exact, reg_where_born_clobber,
4823 reg_where_dead_chain.
4824 Use REG_WHERE_BORN instead of reg_where_born.
4825 While processing the insns, build the reload_insn_chain with
4826 information about register lifetimes.
4827 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
4828 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
4830 Compute and information about birth and death of pseudo registers in
4831 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
4832 Delete code to set elements of reg_where_born.
4834 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4836 * tree.def (GOTO_EXPR): Modified documentation.
4837 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
4840 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
4842 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
4843 loop_final_value, loop_comparison_code): No longer static.
4844 (unroll_loop): Delete loop_start_value update.
4845 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
4846 loop_final_value, loop_comparison_code): Extern.
4847 (loop_start_value): Delete extern.
4848 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
4849 loop_comparison_value, loop_comparison_code): Delete.
4850 (loop_optimize): Remove initialization for deleted variables.
4851 (strength_reduce): Delete analyze_loop_iterations call. Only call
4852 insert_bct if flag_branch_count_on_reg set.
4853 (analyze_loop_iterations): Delete.
4854 (insert_bct): Remove iteration count calculation. Move checks for
4855 viable BCT optimization to here. Obtain iteration count from
4856 loop_iterations and correct for unrolling. Check for enough
4857 iteration to be beneficial. Comment out runtime iteration count
4859 (insert_bct): Print iteration count in dump file. Remove
4860 loop_var_mode and use word_mode directly.
4862 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
4863 * rs6000.c (rs6000_override_options): Use it.
4864 (optimization_options): Enable use of flag_branch_on_count_reg.
4865 * rs6000.md (define_function_unit): Describe 604e.
4867 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4869 * loop.c (move_movables): Corrected threshold calculation for
4870 moved_once registers.
4872 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4874 * loop.c (combine_givs_p): Fix test for identical givs.
4876 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
4878 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
4879 call abort if the function is already defined.
4881 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
4883 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
4884 truncation is not a no-op.
4886 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
4888 * version.c: Bump for snapshot.
4890 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
4892 * version.c: Bump for snapshot.
4894 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
4896 * expmed.c (expand_divmod): Don't widen for computing remainder
4897 if we seem to have a divmod pattern for needed mode.
4899 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4901 * cpplib.c (macroexpand): Correct off-by-one error in handling
4904 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
4906 * combine.c (expand_field_assignment): Don't do bitwise operations
4907 on MODE_FLOAT; pun to MODE_INT if possible.
4909 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
4910 scott snyder <snyder@d0sgif.fnal.gov>
4912 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
4913 linker. Recognize mangled names in quotes.
4915 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4917 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
4918 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
4919 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
4920 (lshrsi3_extend, lshrsi3_extend2): Ditto.
4922 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4924 * function.c (purge_addressof_1): If trying to take a sub-word
4925 integral piece of a floating point mode, put it on the stack.
4927 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
4929 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
4931 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
4933 * PROJECTS: Remove template friends.
4935 * collect2.c (sort_ids): Remove unused variable.
4937 * tm.texi (MATH_LIBRARY): Document.
4938 (NEED_MATH_LIBRARY): Remove.
4940 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
4941 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
4943 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
4945 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
4946 last_end to 0x7fffffff.
4948 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4950 * function.c (purge_addressof_1): Do not perform endianness
4951 corrections on bitpos, who we call will do it for us.
4953 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
4955 * h8300.c (WORD_REG_USED): Fix typo.
4956 (initial_offset): Use WORD_REG_USED.
4958 * h8300.c (handle_pragma): Fix typo.
4960 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4962 * caller-save.c (insert_save_restore): Break this function up
4963 into new functions insert_restore, insert_save and insert_one_insn.
4964 All callers changed.
4965 (insert_restore): New function, mostly broken out of
4966 insert_save_restore.
4967 (insert_save): Likewise.
4968 (insert_one_insn): Likewise.
4969 (restore_referenced_regs): New argument BLOCK. All callers changed.
4970 (save_call_clobbered_regs): Don't keep track of basic block boundaries
4971 in this function, do it in insert_one_insn instead.
4973 * reload1.c (reload): Break out some more pieces into separate
4975 (dump_needs): New function, broken out of reload.
4976 (set_initial_elim_offsets): Likewise.
4977 (init_elim_table): Likewise.
4978 (update_eliminables): Likewise.
4980 * global.c (global_alloc): Delete code to manage the scratch_list.
4981 * local-alloc.c (qty_scratch_rtx): Delete.
4982 (scratch_block): Delete.
4983 (scratch_list): Delete.
4984 (scratch_list_length): Delete.
4985 (scratch_index): Delete.
4986 (alloc_qty_for_scratch): Delete.
4987 (local-alloc): Update initialization of max_qty.
4988 Delete code to manage the scratch list.
4989 Delete code to allocate/initialize qty_scratch_rtx.
4990 (block_alloc): Don't allocate quantities for scratches.
4991 Delete code to manage the scratch list.
4992 * regs.h (scratch_list): Delete declaration.
4993 (scratch_block): Delete declaration.
4994 (scratch_list_length): Delete declaration.
4995 * reload1.c (reload): Delete code to manage the scratch list.
4996 (spill_hard_reg): Likewise.
4997 (mark_scratch_live): Delete.
4999 * recog.c (alter_subreg): Delete declaration.
5001 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
5003 * Makefile.in (cccp.o): Fix typo in last patch.
5005 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5007 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
5008 * config/sh/lib1funcs.asm (___set_fpscr): Add.
5010 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
5012 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
5013 NULL_RTX as an argument.
5015 * Makefile.in (unlibsubdir): Define.
5016 (DRIVER_DEFINES): Use unlibsubdir.
5017 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
5018 (stmp-fixinc): Similarly.
5020 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5022 * regmove.c (regmove_optimize): Add variable old_max_uid.
5023 At the end of the function, update basic_block_end.
5025 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5027 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
5028 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
5031 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
5033 * config/arm/arm.c: Improve interworking support.
5035 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5037 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
5038 copied from reload_out[r] .
5040 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
5042 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
5043 with more than three size ranges.
5045 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
5047 * rtl.c (mode_name): Add a null string at the end of the array.
5048 (mode_wider_mode): Change type to unsigned char.
5049 (mode_mask_array): New variable.
5050 (init_rtl): Update for mode_wider_mode type change.
5052 * rtl.h (mode_wider_mode): Change type to unsigned char.
5053 (mode_mask_array): Declare.
5054 (GET_MODE_MASK): Use mode_mask_array.
5056 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
5058 * calls.c (expand_call) : Encapsulate code into
5059 copy_blkmode_from_reg.
5060 * expr.c (copy_blkmode_from_reg): New function.
5061 * expr.h (copy_blkmode_from_reg): New function.
5062 * integrate.c (function_cannot_inline_p): We can inline
5064 (expand_inline_function): Use copy_blkmode_from_reg
5065 if needed. Avoid creating BLKmode REGs.
5066 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
5069 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
5071 * config/v850/v850.c: Add function prototypes.
5072 Add support for v850 special data areas.
5074 * config/v850/v850.h: Add support for v850 special data areas.
5076 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
5077 HANDLE_PRAGMA_PACK_PUSH_POP.
5078 (push_alignment): New function: Cache an alignment requested
5079 by a #pragma pack(push,<n>).
5080 (pop_alignment): New function: Pop an alignment from the
5082 (insert_pack_attributes): New function: Generate __packed__
5083 and __aligned__ attributes for new decls whilst a #pragma pack
5085 (add_weak): New function: Cache a #pragma weak directive.
5086 (handle_pragma_token): Document calling conventions. Add
5087 support for #pragma pack(push,<n>) and #pragma pack (pop).
5089 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
5090 are defined enable HANDLE_PRAGMA_PACK.
5091 Move 'struct weak_syms' here (from varasm.c).
5092 Add pragma states for push and pop pragmas.
5094 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
5097 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
5098 HANDLE_GENERIC_PRAGMAS.
5100 * varasm.c: Move definition of 'struct weak_syms' into
5102 (handle_pragma_weak): Deleted.
5104 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5106 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5108 * c-decl.c (start_function): Add invocation of
5109 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
5111 * tm.texi: Remove description of non-existant macro
5112 SET_DEFAULT_SECTION_NAME.
5114 (HANDLE_SYSV_PRAGMA): Document.
5115 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
5117 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
5119 * config.sub: Recognize i[34567]86-pc-udk as new target.
5120 * configure.in: Likewise.
5121 * config/i386/t-udk: New file.
5122 * config/i386/udk.h: New file.
5124 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
5126 * reorg.c (check_annul_list_true_false): Remove unused variables.
5127 (steal_delay_list_from_target): Add missing "used_annul" variable.
5128 (try_merge_delay_insns): Close out half formed comment.
5130 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5132 * cpplib.c (macroexpand): If arg->raw_before or
5133 arg->raw_after, remove any no-reexpansion escape at the
5134 beginning of the pasted token. Correct handling of whitespace
5135 markers and no-reexpand markers at the end if arg->raw_after.
5137 * toplev.c (documented_lang_options): Recognize -include,
5138 -imacros, -iwithprefix, -iwithprefixbefore.
5139 * cpplib.c (cpp_start_read): Process -imacros and -include
5140 switches at the same time and in command-line order, after
5141 initializing the dependency-output code. Emit properly nested
5142 #line directives for them. Emit a #line for the main file
5143 before processing these switches, and don't do it again
5146 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
5148 * function.c (purge_addressof_1): Use bitfield manipulation
5149 routines to handle mem mode < reg mode.
5151 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5153 * reorg.c (try_merge_delay_insns): Account for resources referenced
5154 in each instruction in INSN's delay list before trying to eliminate
5155 useless instructions. Similarly when looking at a trial insn's delay
5158 * reorg.c (check_annul_list_true_false): New function.
5159 (steal_delay_list_from_{target,fallthrough}): Call it and also
5160 refine tests for when we may annul if already filled a slot.
5161 (fill_slots_from_thread): Likewise.
5162 (delete_from_delay_slot): Return newly-created thread.
5163 (try_merge_delay_isns): Use its new return value.
5165 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
5167 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
5168 used to compute a giv or as some other non-counting use.
5170 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5172 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
5173 * local-alloc.c (find_free_reg): Use it.
5174 * global.c (find_reg): Likewise.
5175 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
5177 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
5178 * caller-save.c (init_caller_save): Use it.
5179 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
5181 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5183 * configure.in: Add --enable-cpplib option which uses cpplib
5184 for cpp, but doesn't link cpplib into cc1. Make help text
5185 capitalization consistent.
5186 * configure: Rebuilt.
5188 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
5190 * function.c (gen_mem_addressof): If the address REG is
5191 REG_USERVAR_P make the new REG be so also.
5192 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
5193 in an attempt to clarify slightly.
5195 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
5197 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
5198 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
5200 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
5202 * toplev.c: Fix last patch.
5204 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
5206 * loop.c (get_condition): Fix typo in May 9 change.
5208 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5210 * invoke.texi (-fexceptions): Merge 2 different descriptions.
5212 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5214 * toplev.c (documented_lang_options): Spelling corrections.
5216 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5218 * configure.in: new flags --with-ld and --with-as, equivalent
5219 to setting LD and AS environment variables. Test whether
5220 specified arguments are GNU commands, and report them with
5221 checking messages. Use the specified AS for configure
5224 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
5226 * gcc.c (find_a_file): when looking for `as' and `ld', return
5227 the DEFAULT program if it exists
5228 * collect2.c (main): use DEFAULT_LINKER if it exists
5230 * gcc.c (find_a_file): the test for existence of a full
5231 pathname was reversed
5233 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
5235 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
5236 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
5238 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
5240 * tree.h (TYPE_BINFO): Document.
5242 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
5244 * i386-coff.h (dbxcoff.h): Added.
5246 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
5248 * toplev.c: fix bad patch around flag_data_sections.
5250 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
5252 * reload1.c (reload): Use reload_address_index_reg_class and
5253 reload_address_base_reg_class when setting
5254 caller_save_spill_class. (Patch generated by Jim Wilson:
5257 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
5259 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
5260 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
5261 * expr.c (store_field): Add alias_set parameter. Set the
5262 MEM_ALIAS_SET accordingly, if the target is a MEM.
5263 (expand_assignment): Use it.
5264 (store_constructor_field): Pass 0.
5265 (expand_expr): Likewise.
5267 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
5269 * flags.h: Add flag_data_sections.
5270 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
5271 (compile_file): Error if flag_data_sections not supported.
5272 * varasm.c (assemble_variable): Handle flag_data_sections.
5273 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
5274 * config/mips/elf.h: Likewise.
5275 * config/mips/elf64.h: Likewise.
5276 * invoke.texi: Describe -fdata-sections.
5278 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
5280 * invoke.texi (-ffloat-store): Clarify that this option
5281 does not affect intermediate results -- only variables.
5283 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
5285 * cpp.texi: Update for Fortran usage from Craig.
5287 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5289 * rs6000.c (function_arg_boundary): Revert accidental change on
5292 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
5294 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
5295 (output_mi_thunk): Declare.
5297 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
5298 (output_function_profiler): Use r12 for temp, instead of r11 so
5299 that we preserve the static chain register.
5301 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
5303 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
5305 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5307 * sh.c (gen_shl_sext): Fix case 5.
5309 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5311 * reload1.c (reload_combine): Re-add line that got accidentally lost.
5313 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5315 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
5316 accessing variables until they are initialized via va_arg().
5318 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5320 * reload1.c (reload_combine): Initialize set before using.
5322 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
5324 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
5327 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
5329 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
5330 operand3 with mask before using it. Patch provided by Jim Wilson.
5332 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5334 * config/sparc/sparc.c (function_value): Perform the equivalent of
5335 PROMOTE_MODE for ARCH64.
5336 (eligible_for_epilogue_delay): Allow DImode operations in delay
5337 slot of a return for ARCH64.
5339 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5341 * sh.md (sqrtsf2): Fix mode of sqrt.
5343 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5345 * reload1.c (choose_reload_regs): Also try inheritance when
5346 reload_in is a stack slot of a pseudo, even if we already got a
5349 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5351 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
5352 (reload_cse_regs): New function body: call reload_cse_regs_1,
5353 reload_combine, reload_cse_move2add.
5354 When doing expensive_optimizations, call reload_cse_regs_1 a
5355 second time after reload_cse_move2add.
5356 (reload_combine, reload_combine_note_store): New functions.
5357 (reload_combine_note_use): New function.
5358 (reload_cse_move2add, move2add_note_store): New functions.
5360 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5362 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
5363 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
5365 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
5366 more than 3 such reloads.
5368 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
5369 RELOAD_FOR_X_ADDR_ADDR reload.
5371 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5373 * expr.c (store_constructor): When initializing a field that is smaller
5374 than a word, at the start of a word, try to widen it to a full word.
5376 * cse.c (cse_insn): When we are about to change a register,
5377 remove any invalid references to it.
5379 (remove_invalid_subreg_refs): New function.
5380 (mention_regs): Special treatment for SUBREGs.
5381 (insert_regs): Don't strip SUBREG for call to mention_regs.
5382 Check if reg_tick needs to be bumped up before that call.
5383 (lookup_as_function): Try to match known word_mode constants when
5384 looking for a norrower constant.
5385 (canon_hash): Special treatment for SUBREGs.
5387 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5389 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
5390 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
5391 defined, emit libcall to __enable_execute_stack. Also fix opcodes
5392 and offsets in actual stack trampoline code so they match the
5393 commentary and actually work.
5395 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5397 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
5399 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
5400 tmake_file. Set extra_parts to needed crt objects.
5401 * configure: Rebuilt.
5402 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
5403 (TARGET_DEFAULT): Set if default is v9 or ultra.
5404 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
5405 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
5406 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
5407 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
5408 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
5409 (TARGET_VERSION): Define.
5410 (MULTILIB_DEFAULT): Define.
5411 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
5412 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
5413 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
5415 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
5416 * config/sparc/sparc.c (sparc_override_options): If arch and
5417 pointer size disagree, emit diagnostic and fix it up. If
5418 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
5419 V8PLUS in 64-bit mode.
5420 * config/sparc/t-linux64: New file.
5421 * config/sparc/t-sol2-64: New file.
5422 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
5423 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
5424 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
5425 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
5426 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
5427 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
5429 (STARTFILE_SPEC): Set approriately based upon those.
5430 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
5431 disposition of DEFAULT_ARCH32_P.
5432 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
5433 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
5434 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
5435 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
5436 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
5438 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
5440 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
5442 * rtl.h (init_virtual_regs): New function.
5443 * emit-rtl.c (init_virtual_regs): Define.
5444 (insn_emit): Use it.
5445 * integrate.c (save_for_inline_copying): Likewise.
5447 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
5449 * config/arm/thumb.h: The following patches were made by Jim Wilson:
5450 (enum reg_class): Add NONARG_LO_REGS support.
5451 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5452 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
5453 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
5454 completes. Re-enable HImode REG+OFFSET addresses.
5455 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5457 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5459 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5461 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5462 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5463 (alpha_align_insns): Properly calculate initial offset wrt max_align.
5465 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
5467 * arm.c (find_barrier): Revert change of Apr 23. Handle table
5468 jumps as a single entity, taking into account the size of the
5471 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5473 * tree.def (SWITCH_EXPR): New tree node definition.
5475 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
5477 * version.c: Bump for snapshot.
5479 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
5481 * version.c: Bump for snapshot.
5483 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
5485 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
5488 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
5490 * Revert this patch.
5491 * reload.c (find_reloads): Do not replace a pseudo with
5492 (MEM (reg_equiv_addr)) in the initializing insn for the
5495 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
5497 * final.c (final_scan_insn): Disable tracking CC across branches.
5499 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5501 * expr.h (eh_rtime_match_libfunc): New extern declaration.
5502 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
5503 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
5504 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
5505 NULL. Only include <stdio.h> if inhibit_libc is not defined.
5507 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
5509 * toplev.c (rest_of_compilation): Skip compiling anything with
5510 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
5512 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
5514 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
5515 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
5516 use in_libcall_block.
5517 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
5518 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
5521 Mon Sep 21 14:02:23 1998
5523 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
5524 typo in no-fancy-math-387 description.
5526 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
5528 * version.c: Bump for snapshot.
5530 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
5532 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
5534 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
5536 * i386.h: (TARGET_SWITCHES) Add description fields for flags
5537 documented in install.texi.
5538 (TARGET_OPTIONS) Likewise.
5540 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
5542 * version.c: Bump for snapshot.
5544 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
5546 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
5547 * cccp.c (main): Likewise.
5549 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
5550 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
5553 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
5555 * Makefile.in (LIBS): Link in libiberty.a.
5556 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
5558 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
5560 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
5561 it to update bb boundaries. Update caller.
5562 * function.c (reposition_prologue_and_epilogue_notes): Update
5563 bb boundaries wrt the moved note.
5565 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
5567 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
5569 * configure: Regenerate.
5571 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
5573 * alpha.c (alpha_sr_alias_set): New variable.
5574 (override_options): Set it.
5575 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
5576 (mode_mask_operand): Fix signed-unsigned comparision warning.
5577 (alpha_expand_block_move): Likewise.
5578 (print_operand): Likewise.
5579 (get_aligned_mem): Use change_address.
5580 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
5581 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
5582 (alphaev4_next_nop, alphaev5_next_nop): New functions.
5583 (alpha_align_insns): Remade from old alphaev5_align_insns
5584 to handle multiple processors.
5585 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
5586 * output.h (label_to_alignment): Prototype.
5588 * tree.c (new_alias_set): New function.
5589 * tree.h (new_alias_set): Declare it.
5590 * c-common.c (c_get_alias_set): Use it.
5592 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
5594 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
5595 to an ABS expr, convert an unsigned input to signed.
5597 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
5599 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
5601 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5603 * configure.in: Add support for c4x targets.
5604 * configure: Rebuilt.
5606 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
5608 * combine.c (distribute_notes): If an insn is a cc0 user, only
5609 delete it if we can also delete the cc0 setter.
5611 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
5613 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
5614 (invert_truthvalue): Enable truthvalue inversion for
5615 floating-point operands if -ffast-math.
5617 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
5619 * configure.in: Disable collect2 for nextstep. Instead use
5621 * configure: Rebuilt.
5622 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
5623 (ENDFILE_SPEC): Define.
5624 (OBJECT_FORMAT_MACHO): Define.
5625 (EH_FRAME_SECTION_ASM_OP): Define.
5626 * crtstuff.c: Handle MACHO.
5628 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
5630 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
5632 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
5634 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
5635 (_fpadd_parts): Get sign right for 0.
5637 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5639 * ginclude/varargs.h: Add support for C4x target.
5640 * ginclude/stdargs.h: Likewise.
5642 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
5644 * alpha.c (alpha_return_addr): SET should be VOIDmode.
5645 (alpha_emit_set_long_const): Rewrite to be callable from reload
5647 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
5648 * alpha.md (movdi): Likewise.
5650 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
5652 * arm.c (add_constant): New parameter address_only, change caller.
5653 Set it non-zero if taking the address of an item in the pool.
5654 (arm_reorg): Handle cases where we need the address of an item in
5657 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
5659 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
5660 memory addresses that are not in standard canonical form.
5662 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
5664 * README.C4X: New file with information about the c4x ports.
5665 * ginclude/va-c4x.h: New file for c4x varargs support.
5666 * config/c4x: New directory with c4x port files.
5668 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
5670 * reload.c (find_reloads): Do not replace a pseudo with
5671 (MEM (reg_equiv_addr)) in the initializing insn for the
5674 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
5676 * toplev.c (rest_of_compilation): Set bct_p on second call to
5678 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
5680 (strength_reduce): Only call analyze_loop_iterations and
5681 insert_bct if bct_p set.
5682 (check_dbra_loop): Fix typo.
5683 (insert_bct): Use word_mode instead of SImode.
5684 (instrument_loop_bct): Likewise. Do not delete iteration count
5685 condition code generation insn. Initialize iteration count before
5687 * rtl.h (loop_optimize): Update prototype.
5689 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
5690 not doubleword aligned.
5692 * rs6000.c (optimization_options): New function.
5693 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
5694 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
5695 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
5696 first; cr1 can be used for FP record condition insns.
5698 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
5700 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
5703 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
5706 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
5708 (block_move_call): New function: Call a library routine to copy a
5710 (m32r_expand_block_move): New function: Expand a "movstrsi"
5711 pattern into a sequence of insns.
5712 (m32r_output_block_move): New function: Expand a
5713 "movstrsi_internal" pattern into a sequence of assembler opcodes.
5714 (m32r_block_immediate_operand): New function: Return true if the
5715 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
5717 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5719 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
5721 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
5723 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5725 * regmove.c (copy_src_to_dest): Check that modes match.
5727 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
5729 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
5731 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
5733 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
5734 narrower than FLOAT_REGS.
5736 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5738 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
5740 * Makefile.in (old_gxx_include_dir): removed
5742 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
5744 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
5747 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
5748 (sh_handle_pragma): Change function arguments to match new
5749 specification for HANDLE_PRAGMA.
5751 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5753 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
5755 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
5756 When generating output, initialize missing struct member to zero.
5758 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5760 * regmove.c (copy_src_to_dest): Don't copy if that requires
5761 (a) new register(s).
5763 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5765 * global.c (reg_allocno): Now static.
5766 * reload1.c (reg_allocno): Delete declaration.
5767 (order_regs_for_reload): Take no arguments. Don't treat regs
5768 allocated by global differently than those allocated by local-alloc.
5770 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
5772 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
5773 condition, fix format strings.
5774 (output_function_epilogue): Likewise.
5776 * m68k/m68k.c: Don't include <stdlib.h> directly.
5778 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
5780 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
5781 mem_first_set, mem_last_set; because 0 can be a CUID.
5782 (oprs_unchanged_p): Use new definition.
5783 (record_last_reg_set_info): Likewise.
5784 (record_last_mem_set_info): Likewise.
5785 (compute_hash_table): Likewise.
5787 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
5789 * rs6000.c (output_epilogue): Handle Chill.
5791 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5792 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5794 * combine.c (make_extraction): If no mode is specified for
5795 an operand of insv, extv, or extzv, default it to word_mode.
5796 (simplify_comparison): Similarly.
5797 * expmed.c (store_bit_field): Similarly.
5798 (extract_bit_field): Similarly.
5799 * function.c (fixup_var_regs_1): Similarly.
5800 * recog.c (validate_replace_rtx_1): Similarly.
5801 * mips.md (extv, extzv, insv expanders): Default modes for most
5802 operands. Handle TARGET_64BIT.
5803 (movdi_uld, movdi_usd): New patterns.
5805 * pa.c (emit_move_sequence): Do not replace a pseudo with its
5806 equivalent memory location unless we have been provided a scratch
5807 register. Similarly do not call find_replacement unless a
5808 scratch register has been provided.
5810 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5812 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
5815 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
5817 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
5818 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
5819 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
5820 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
5821 * c-decl.c (init_decl_processing): Update accordingly.
5822 * expr.c (expand_builtin): Likewise.
5824 * rtl.h (global_rtl): Add cfa entry.
5825 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
5826 (LAST_VIRTUAL_REGISTER): Update.
5827 * emit-rtl.c (global_rtl): Add cfa entry.
5828 (init_emit): Initialize it.
5829 * function.c (cfa_offset): New.
5830 (instantiate_virtual_regs): Initialize it.
5831 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
5832 (expand_function_end): Call expand_eh_return.
5833 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
5835 * except.c (current_function_eh_stub_label): Kill.
5836 (current_function_eh_old_stub_label): Likwise; update all references.
5837 (expand_builtin_set_return_addr_reg): Kill.
5838 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
5839 (expand_builtin_set_eh_regs): Kill.
5840 (eh_regs): Produce a third reg for the actual handler address.
5841 (eh_return_context, eh_return_stack_adjust): New.
5842 (eh_return_handler, eh_return_stub_label): New.
5843 (init_eh_for_function): Initialize them.
5844 (expand_builtin_eh_return, expand_eh_return): New.
5845 * except.h: Update prototypes.
5846 * flow.c (find_basic_blocks_1): Update references to the stub label.
5847 * function.h (struct function): Kill stub label elements.
5849 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
5850 register number is one that would be in the previous window.
5851 Provide a dummy definition for non-windowed targets.
5852 (get_reg_addr): New function.
5853 (get_reg, put_reg, copy_reg): Use it.
5854 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
5855 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
5857 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
5858 (alpha_init_expanders): Initialize it.
5859 (alpha_expand_epilogue): Use it.
5860 * alpha.h: Declare it.
5861 * alpha.md (eh_epilogue): New.
5863 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
5864 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
5866 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
5868 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
5871 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5873 * except.h (struct eh_entry): Add false_label field.
5874 (end_catch_handler): Add prototype.
5875 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
5876 (start_catch_handler): When using old style exceptions, issue
5877 runtime typematch code before continuing with the handler.
5878 (end_catch_handler): New function, generates label after handler
5879 if needed by older style exceptions.
5880 (expand_start_all_catch): No need to check for new style exceptions.
5881 (output_exception_table_entry): Only output the first handler label
5882 for old style exceptions.
5883 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
5884 mechanism into one function, if a runtime matcher is provided.
5886 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5888 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
5890 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
5892 * integrate.c (copy_decl_list): Fix typo.
5894 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5896 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
5899 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
5901 * version.c: Bump for snapshot.
5903 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
5905 * version.c: Bump for snapshot.
5907 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
5909 * version.c: Bump for snapshot.
5911 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5913 * invoke.texi (C Dialect Options): Put back missing @end itemize.
5915 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5917 * configure.in: remove usage of `!' to negate the result of a
5918 command; some common shells do not support it
5920 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5922 * configure.in: in sparc9-sol2 config, use 'if test' not
5924 * configure: Rebuilt.
5926 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
5928 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
5929 (CPP_CPU_DEFAULT_SPEC): Likewise.
5930 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
5931 for arch64 libfuncs.
5933 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
5936 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5938 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
5940 * collect2.c: Don't declare `sys_siglist' here.
5941 (my_strsignal): Prototype and define new function. Use it in
5942 place of `sys_siglist' hacks.
5944 * mips_tfile.c: Likewise.
5946 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
5947 (GCC_NEED_DECLARATIONS): Likewise.
5949 * system.h (strsignal): Prototype it, if necessary.
5950 (sys_siglist): Declare it, if necessary.
5952 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5954 * loop.c (move_movables): While removing insn sequences, preserve
5955 the next pointer of the most recently deleted insn when we skip
5958 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
5960 * objc/config-lang.in: Do not output the name of the selected
5961 thread file when building the front-end. The Makefile for the
5962 runtime library will do this.
5964 * objc/Make-lang.in: Do not build the runtime library or install
5965 the Objective C header files. The Makefile for the runtime
5966 library will do this.
5968 * objc/Makefile.in (all.indirect): Only build the front-end.
5969 (compiler): Rename to `frontend'.
5970 (obj-runtime): Remove target.
5971 (copy-headers): Likewise.
5972 (clean): No need to remove `libobjc.a' any longer.
5974 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
5976 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
5977 supported with -mcpu=xxx.
5979 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5981 * flow.c (mark_set_1): Recognize multi-register structure return
5982 values in CALL insns.
5983 (mark_used_regs): Likewise.
5984 (count_reg_sets_1): Likewise.
5985 (count_reg_references): Likewise.
5986 * rtlanal.c (note_stores): Likewise.
5987 (reg_overlap_mentioned_p): Likewise.
5988 * haifa-sched.c (check_live_1): Likewise.
5989 (update_live_1): Likewise.
5990 (sched_analyze_1): Likewise.
5991 (sched_note_set): Likewise.
5992 (birthing_insn_p): Likewise.
5993 (attach_deaths): Likewise.
5995 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
5998 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
6000 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
6002 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6004 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
6006 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6008 * configure.in: Add check for GAS subsection -1 support.
6009 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
6010 * configure config.in: Rebuilt.
6011 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
6012 SImode is subsection -1 works, else use DImode.
6013 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
6014 subsection -1 works.
6015 * config/sparc/sparc.c (sparc_output_addr_vec,
6016 sparc_output_addr_diff_vec): Use them if defined.
6018 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
6020 * tree.h (DECL_ORIGIN): New macro.
6021 * integrate.c (copy_and_set_decl_abstract_origin): New function.
6022 (copy_decl_list): Use it.
6023 (integrate_parm_decls): Likewise.
6024 (integrate_decl_tree): Likewise.
6025 * dwarf2out.c (decl_ultimate_origin): Simplify.
6026 * dwarfout.c (decl_ultimate_origin): Likewise.
6027 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
6028 (pushdecl): Likewise.
6030 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
6032 * config/rs6000/rs6000.c (output_epilog): Add Java support.
6034 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
6036 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
6038 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
6040 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
6041 empty or has a single entry.
6043 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
6044 before calling reg_to_stack.
6046 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
6048 * alpha.c (alphaev5_insn_pipe): Abort on default case.
6049 (alphaev5_next_group): Swallow CLOBBERs and USEs.
6051 * c-tree.h (warn_long_long): Declare it.
6053 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
6055 * emit-rtl.c (gen_lowpart_common): Disable optimization of
6056 initialized float-int union if the value is a NaN.
6058 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
6060 * c-lex.c (real_yylex): Don't warn about long long constants if
6061 we're allowing long long
6063 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6065 * except.h (current_function_eh_stub_label): Declare.
6066 (current_function_eh_old_stub_label): Declare.
6067 * function.h (struct function): New members eh_stub_label and
6069 * except.c (current_function_eh_stub_label): New variable.
6070 (current_function_eh_old_stub_label): New variable.
6071 (init_eh_for_function): Clear them.
6072 (save_eh_status): Save them.
6073 (restore_eh_status): Restore them.
6074 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
6075 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
6076 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
6077 make an edge from the block that contains it to the block starting
6078 with the label if this label is one of the eh stub labels.
6079 If eh stub labels exist, show they are reachable from the last block
6082 * reload1.c (reload): Break out several subroutines and make some
6084 (calculate_needs_all_insns): New function, broken out of reload.
6085 (calculate_needs): Likewise.
6086 (find_reload_regs): Likewise.
6087 (find_group): Likewise.
6088 (find_tworeg_group): Likewise.
6089 (something_needs_reloads): New global variable, formerly in reload.
6090 (something_needs_elimination): Likewise.
6091 (caller_save_spill_class): Likewise.
6092 (caller_save_group_size): Likewise.
6093 (max_needs): Likewise.
6094 (group_size): Likewise.
6095 (max_groups): Likewise.
6096 (max_nongroups): Likewise.
6097 (group_mode): Likewise.
6098 (max_needs_insn): Likewise.
6099 (max_groups_insn): Likewise.
6100 (max_nongroups_insn): Likewise.
6101 (failure): Likewise.
6103 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
6105 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
6107 * loop.c (load_mems): Copy rtx for output mem.
6109 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
6111 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
6112 mips1 or mips2 either.
6114 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
6116 * pa.c (pa_reorg): New marking scheme for jumps inside switch
6118 (pa_adjust_insn_length): Update to work with new marking scheme
6119 for jumps inside switch tables.
6120 * pa.md (switch_jump): Remove pattern.
6121 (jump): Handle jumps inside jump tables.
6123 * Makefile.in (profile.o): Depend on insn-config.h
6125 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
6127 * iris6.h (DWARF2_UNWIND_INFO): Undef.
6129 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6131 Add preliminary native sparcv9 Solaris support.
6132 * configure.in: Recognize sparv9-*-solaris2*
6133 * configure: rebuilt
6134 * config.sub: Recognize sparcv9 just like sparc64.
6135 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
6136 config/sparc/sol2-cn.asm: Macroize so it can be shared between
6137 32-bit and 64-bit Solaris systems.
6138 * config/sparc/t-sol2: Assemble those with cpp.
6139 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
6140 (*TF*_LIBCALL): If ARCH64 use V9 names.
6141 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
6143 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6145 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
6146 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
6148 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
6150 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
6151 to Pmode if CASE_VECTOR_MODE is something else.
6153 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
6155 * prefix.c (update_path): Correctly handle cases where PATH is
6156 a substring of the builtin prefix, but specifies a different
6159 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
6161 * expr.c: Corrected comment about what MOVE_RATIO does.
6162 * config/alpha/alpha.h: Ditto.
6163 * config/1750a/1750a.h: Ditto.
6164 * config/clipper/clipper.h: Ditto.
6165 * config/i386/i386.h: Ditto.
6167 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
6169 * configure.in (m68k-next-nextstep3*): Use collect2.
6170 Similarly for x86 NeXT configurations.
6171 * configure: Rebuilt.
6173 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
6175 * configure.in: Don't assume srcdir is .../gcc
6176 * configure: Rebuilt.
6178 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
6180 * global.c: Update comments.
6181 (global_alloc): Assign allocation-numbers
6182 even for registers allocated by local_alloc in case
6183 they are later spilled and retry_global_alloc is called.
6184 (mark_reg_store, mark_reg_clobber,
6185 mark_reg_conflicts, mark_reg_death): Always record a
6186 conflict with a pseudo register even if it has been
6187 assigned to a hard register.
6188 (dump_conflicts): Don't list pseudo registers already assigned to
6189 a hard register as needing to be allocated, but do list their
6191 * local-alloc.c: Update comment.
6193 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
6195 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
6196 * configure: Rebuilt.
6198 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
6200 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
6202 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
6203 for all targets that set -msoft-float.
6205 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6207 * toplev.c (print_switch_values): Make static to match prototype.
6209 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
6211 * configure.in: If we are unable to find the "gnatbind" program,
6212 then do not configure the ada subdir.
6213 * configure: Rebuilt.
6215 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
6217 * version.c: Bump for snapshot.
6219 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
6221 * version.c: Bump for snapshot.
6223 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6225 * Makefile.in (toplev.o): Depend on $(EXPR_H).
6226 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
6228 * gansidecl.h: Define ATTRIBUTE_NORETURN.
6230 * genattrtab.c: Have insn-attrtab.c include toplev.h.
6232 * genextract.c: Have insn-extract.c include toplev.h.
6234 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
6236 * toplev.c: Include expr.h.
6237 (really_sorry, fancy_abort): Remove prototypes.
6238 (set_target_switch): Add argument in prototype.
6239 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
6240 (v_really_sorry): Likewise.
6241 (print_version, print_single_switch, print_switch_values): Make
6242 static and add prototype arguments.
6243 (decl_printable_name): Add prototype arguments.
6244 (lang_expand_expr_t): New typedef.
6245 (lang_expand_expr): Declare as a lang_expand_expr_t.
6246 (incomplete_decl_finalize_hook): Add prototype argument.
6247 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
6248 (botch): Likewise for variable `s'.
6249 (rest_of_type_compilation): Mark variables `type' and `toplev'
6250 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
6251 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
6252 (display_help): Make variable `i' an `unsigned long'.
6253 (main): Remove unused parameter `envp'.
6254 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
6255 Cast -1 when comparing it with a `size_t'.
6257 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
6258 prototype with ATTRIBUTE_NORETURN.
6259 (fatal_insn_not_found, fatal_insn, really_sorry,
6260 push_float_handler, pop_float_handler): Add prototypes.
6261 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
6262 (do_abort, botch): Add prototypes.
6264 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
6266 * final.c (final): If a label is reached only from a single jump,
6267 call NOTICE_UPDATE_CC on the jump and its predecessor before
6268 emitting the insn after the label.
6270 * i386.h: Add AMD K6 support.
6271 Change TARGET_* macros to use table lookup.
6272 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
6273 (ADJUST_COST): Change definition to call function in i386.c.
6274 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
6275 * i386.c: Add AMD K6 support.
6276 Add constants for feature tests used by TARGET_* macros.
6277 (split_di): If before reload, call gen_lowpart and gen_highpart.
6278 (x86_adjust_cost): New function.
6279 (put_jump_code): New function.
6280 (print_operand): New codes 'D' and 'd'.
6281 * i386.md: New insn types. New insn attribute "memory".
6282 Redefine scheduling parameters to use new types and add AMD K6
6283 support. Explicitly set type of most insns.
6284 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
6285 Pro and K6 prefer movl $1,reg to incl reg.
6286 (adddi3, subdi3): Set cc_status.
6287 (DImode shift patterns): Change label counters from HOST_WIDE_INT
6288 to int; x86 can't have more than 2^31 DImode shifts per file.
6289 (setcc): Combine all setcc patterns. Allow writing memory.
6290 Combine all jump patterns using match_operator.
6291 (*bzero): Name pattern. Emit mutliple stos instructions when that
6292 is faster than rep stos.
6293 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
6296 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
6298 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
6301 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
6303 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
6304 not whatever we're generating now.
6306 * alpha.c (set_frame_related_p, FRP): New.
6307 (alpha_expand_prologue): Mark frame related insns.
6308 (alpha_expand_epilogue): Likewise, but with a null FRP.
6309 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
6310 * alpha.md (exception_receiver): New.
6311 * alpha/crtbegin.asm (.eh_frame): New beginning.
6312 (__do_frame_setup, __do_frame_takedown): New.
6313 * alpha/crtend.asm (.eh_frame): New ending.
6314 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
6315 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
6316 (ASM_FILE_START): Don't emit .file for dwarf2.
6318 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
6319 * rtl.c (reg_note_name): Likewise.
6320 * rtl.texi (REG_NOTES): Likewise.
6321 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
6324 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
6326 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
6327 * i386.md (movsf, movdf, movxf): Validate memory address returned
6328 from force_const_mem. Kill useless REG_EQUAL setting code.
6330 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
6332 * m68k.md (zero_extendsidi2): Fix typo.
6334 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
6336 * configure.in: Removed references to the removed file
6337 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
6338 * arm*-*-netbsd* and ns32k-*-netbsd*.
6339 * config/i386/xm-netbsd.h: Removed unnecessary file.
6340 * config/m68k/xm-netbsd.h: Likewise.
6341 * config/sparc/xm-netbsd.h: Likewise.
6342 * config/mips/xm-netbsd.h: Likewise.
6344 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
6346 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
6347 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
6349 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
6350 for exact section attributions.
6352 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
6354 * i386/crtdll.h (CPP_PREDEFINES): Define.
6356 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
6358 * m68k.md (5200 movqi): Do not allow byte sized memory references
6360 * m68k.c (output_move_qimode): Do not use byte sized operations on
6363 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
6364 explicit rules for building. Similarly for alloca, vfprintf,
6365 choose-temp and mkstemp, getopt, getopt1, and obstack.
6366 (INCLUDES): Add $(srcdir)/../include.
6367 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
6368 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
6370 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
6372 * gcc.c (do_spec_1): [case 'o'] Account for
6373 lang_specific_extra_outfiles.
6374 (main): Correctly clear all slots in outfiles for
6375 lang_specific_extra_outfiles. Set input_file_number before
6376 calling lang_specific_pre_link.
6378 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
6380 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
6382 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6384 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
6386 (sparc_output_deferred_case_vectors): If no work to do, return.
6387 Fix thinko in Sept 1 change.
6389 1998-09-03 SL Baur <steve@altair.xemacs.org>
6391 * Makefile.in: add semicolon in BISON definition for portability.
6393 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6395 * config/nextstep.c (handle_pragma): Correct name of third
6398 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
6400 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
6401 * config/m32r/m32r.h: Make register 17 be fixed.
6402 * config/m32r/m32r.c: Use SImode for cc operations.
6404 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
6406 * invoke.texi (Warning Options): Add -Wnon-template-friend
6409 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
6411 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
6413 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
6415 * rs6000.md (movsf): Disable explicit secondary-reload-like
6416 functionality if TARGET_POWERPC64.
6417 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
6420 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
6422 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
6423 and term.h from fixinc.wrap.
6425 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6427 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
6428 safe to include both string.h and strings.h together.
6429 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
6430 which headers to search for function declarations. Continue to
6431 prefer string.h over strings.h when both are not acceptable.
6433 * acconfig.h (STRING_WITH_STRINGS): Add stub.
6435 * configure.in: Call GCC_HEADER_STRING.
6437 * system.h: Test STRING_WITH_STRINGS when deciding which headers
6438 to include. Continue to prefer string.h over strings.h when both
6441 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6443 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
6444 not assume top 32-bits of symbolic addresses are zero if
6447 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
6449 * ginclude/va-alpha.h: Protect entire second portion of the
6450 file against double inclusion.
6452 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
6454 Added support for the Boehm's garbage collector.
6455 * configure.in: Handle --enable-objc-gc.
6456 * configure: Rebuilt.
6457 * Makefile.in (CHECK_TARGETS): Add check-objc.
6458 (check-objc): New rule.
6459 * objc/Make-lang.in: Build a different Objective-C library that
6460 runs with the Boehm's collector.
6461 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6462 * objc/encoding.c: Correctly compute the size of compound types in
6463 the presence of bitfields. Skip the variable name of the type if
6464 any. Added support for long long.
6465 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
6466 (_F_GCINVISIBLE): New mask.
6467 * objc/gc.c: New file. Compute the type memory mask associated with
6468 a class based on the runtime information.
6469 * objc/misc.c: Added the hooks that use the Boehm's collector
6470 allocation functions.
6471 * objc/objc-act.c (build_class_template): Generate a new class
6472 member (gc_object_type) to hold the class' type memory mask.
6473 (build_shared_structure_initializer): Initialize the new member to
6475 (encode_complete_bitfield): New function. Generate the new
6477 (encode_field_decl): Generate the new encoding only for the GNU
6479 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
6481 (class_get_gc_object_type): New function to mark a pointer instance
6482 variable as a weak pointer.
6483 * objc/objc-features.texi: New file.
6484 * objc/objc.h (gc_object_type): New class member.
6485 * objc/objects.c (class_create_instance): Create a typed memory
6486 object when compiled with Boehm's collector support.
6487 * objc/sendmsg.c (__objc_init_install_dtable): Call
6488 __objc_send_initialize instead of setting the initialize flag.
6489 (__objc_send_initialize): Call __objc_generate_gc_type_description
6490 to generate the class type memory mask. Rewrite the code that
6491 sends the +initialize so that it is called only once (bug report
6492 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
6493 * testsuite/objc: New testsuite for Objective-C type encoding.
6494 * testsuite/lib/objc-torture.exp: New file.
6495 * testsuite/lib/objc.exp: New file.
6497 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
6499 * jump.c (jump_optimize): In if/then/else transformations, add
6500 another call to modified_between_p for the jump insn.
6502 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
6504 * fix-header.c (symlink): Treat like readlink.
6506 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6508 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
6511 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
6513 * config/nextstep.h: Update HANDLE_PRAGMA macro.
6514 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
6515 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
6517 * config/nextstep.c (handle_pragma): Take three arguments, as per
6518 the new HANDLE_PRAGMA macro specification.
6519 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
6520 per the new HANDLE_PRAGMA macro specification.
6521 * config/i960/i960.c (process_pragma): Take three arguments, as
6522 per the new HANDLE_PRAGMA macro specification.
6524 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
6526 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
6527 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
6528 if unknown pragmas are encountered.
6529 (handle_sysv_pragma): Interpret return code from
6530 handle_pragma_token (). Return success/failure indication rather
6531 than next unprocessed character.
6532 (pragma_getc): New function: retrieves characters from the
6533 input stream. Defined when HANDLE_PRAGMA is enabled.
6534 (pragma_ungetc): New function: replaces characters back into the
6535 input stream. Defined when HANDLE_PRAGMA is enabled.
6537 * c-pragma.c (handle_pragma_token): Return success/failure status
6540 * c-pragma.h: Change prototype of handle_pragma_token().
6542 * varasm.c: (handle_pragma_weak): Only create this function if
6543 HANDLE_PRAGMA_WEAK is defined.
6545 * c-common,c (decl_attributes): If defined call the expression
6546 contained within the INSERT_ATTRIBUTES macro before adding
6547 attributes to a decl.
6549 * tm.texi (HANDLE_PRAGMA): Document the new verion of
6550 HANDLE_PRAGMA, which takes three arguments.
6551 (INSERT_ATTRIBUTES): Document this new macro.
6553 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
6554 new INSERT_ATTRIBUTES macro.
6556 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6558 * config/sparc/sparc.md (movdf): Only generate special RTL for
6559 LABEL_REFs when PIC.
6560 (move_label_di): Remove
6561 (movdi_pic_label_ref, movdi_high_pic_label_ref,
6562 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
6563 references when PIC.
6564 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
6565 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
6566 output an .xword for all 64-bit cases.
6568 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6570 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
6571 alignment, use FUNCTION_BOUNDARY instead.
6572 (sparc_output_deferred_case_vectors): Likewise.
6574 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6576 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
6577 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
6579 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
6581 * alpha/va_list.h: New file.
6582 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
6584 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
6586 * NEWS: Add SCO Openserver and Unixware 7 notes.
6590 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
6592 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
6593 (record_constant_1): Handle RANGE_EXPR.
6595 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
6597 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
6598 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
6599 and NOTE_INSN_RANGE_END specially.
6600 (reemit_notes): Likewise.
6602 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6604 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
6605 (ultrasparc_sched_init): Remove unneeded &.
6607 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6609 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
6610 for m68020-60, to prevent the use of fintrz.
6612 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
6614 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
6616 * Makefile.in: Likewise.
6617 * configure: Regenerated.
6619 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
6621 * configure.in (gxx_include_dir): Changed to
6622 '${prefix}/include/g++'-${libstdcxx_interface}.
6623 * configure: Rebuilt.
6625 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
6627 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
6629 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
6630 *sequences* *below* which scalar moves will be used.
6632 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
6634 * collect2.c (mktemp): Delete unused declaration.
6636 * config/xm-netbsd.h: Remove unnecessary file.
6637 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
6638 file anymore, it is not needed.
6640 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
6642 * convert.c (convert_to_integer): Issue an error on conversions to
6645 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
6647 * Makefile.in: Add lang_tree_files and gencheck.h.
6648 * configure.in: Generate them.
6649 * gencheck.c: Include gencheck.h.
6651 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6653 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
6654 movdi_lo_sum_pic and movdi_high_pic and make visible.
6655 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
6656 emit these when Pmode is not SImode.
6657 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
6659 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
6661 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
6662 .linkonce directive after the first time.
6664 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
6666 * m68k.md (beq0_di): Generate correct (and more efficient) code when
6667 the clobbered operand overlaps with an input.
6668 (bne0_di): Similarly.
6670 * Makefile.in (INSTALL): Remove "--no-header" argument.
6672 * NEWS: Various updates.
6674 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6676 * config/sparc/sparc.c (arith_operand, const64_operand,
6677 const64_high_operand, arith_double_4096_operand): Mark mode as
6679 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
6681 (sparc_emit_set_const64): Remove unused variable i.
6682 (sparc_splitdi_legitimate): Likewise for addr_part.
6683 (ultra_code_from_mask): Likewise for mask.
6684 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
6685 reverse return values so it matches usage and comments.
6686 (ultra_flush_pipeline): Likewise.
6687 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
6688 this_type, and allow loads and stores of differing FP modes as
6689 they do not create a conflict.
6690 (ultra_find_type): Initialize fpmode to SFmode, fix
6691 parenthesization thinkos in large conditional.
6692 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
6693 Init free_slot_mask after ultra_cur_hist is reset, not before.
6694 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
6695 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
6696 use ultra_flush_pipeline instead, then re-init group pointer.
6697 Fix statement with no effect. If no progress made in, and no
6698 instructions scheduled at all, advance to new pipeline cycle else
6699 we get into an endless loop.
6700 (ultrasparc_adjust_cost): Remove previous arg.
6701 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
6703 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
6705 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
6706 code. Use reg_overlap_mentioned_p to detect when source and
6707 destination overlap.
6708 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
6710 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
6712 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
6713 COMPARISON_VAL, into invariant_p.
6715 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6717 * regmove.c (regclass_compatible_p): New function.
6718 (regmove_optimize): Use it.
6720 Use NREGS parameter insted of calling max_reg_num.
6722 (fixup_match_1): Don't use code = MINUS when later tieing with
6723 a hard register is likely.
6725 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6727 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
6728 COMPARISON_VAL was normalized.
6730 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
6732 * loop.c (check_dbra_loop): The loop ending comparison value
6733 must be an invariant or we can not reverse the loop.
6735 * loop.c (scan_loop): Count down from max_reg_num - 1 to
6736 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
6738 (load_mems_and_recount_loop_regs_set): Likewise.
6740 * i386.c (print_operand): Remove obsolete 'c' docs.
6742 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
6744 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
6745 * frame.c (init_object_mutex): New function.
6746 (init_object_mutex_once): Likewise.
6747 (find_fde): Call it.
6748 (__register_frame_info): Likewise.
6749 (__register_frame_info_table): Likewise.
6750 (__deregister_frame_info): Likewise.
6752 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
6754 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
6756 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6758 * loop.c (check_dbra_loop): Enable code for reversal
6759 of some loops without a known constant loop end.
6761 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
6763 * haifa-sched.c (last_clock_var): New.
6764 (schedule_block): Initialize it.
6765 (schedule_insn): Use it to fill insn modes with issue information.
6767 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
6768 Tag trapb and next insn with TImode.
6769 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
6770 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
6771 Invoke alphaev5_align_insns as appropriate.
6772 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
6773 (MD_SCHED_VARIABLE_ISSUE): New.
6774 * alpha.md (attr type): Add multi.
6775 (define_asm_attributes): New.
6776 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
6777 (arg_home): Likewise.
6778 (fnop, unop, realign): New.
6780 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
6782 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
6783 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
6785 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
6786 (rs6000-ibm-aix4.[12]*): Likewise.
6787 * configure: Regnerate.
6789 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
6791 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
6792 already contains the return address.
6794 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
6796 * calls.c (expand_call): Use bitfield instructions to extract/deposit
6797 word sized hunks when loading unaligned args into registers.
6799 * haifa-sched.c (sched_analyze_insn): Only create scheduling
6800 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
6802 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
6804 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6806 * loop.c (check_dbra_loop): Add some code that would allow reversal
6807 of some loops without a known constant loop end if it were enabled.
6809 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
6811 * mips.md (lshrsi3_internal2+2): Fix type-o.
6813 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6815 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
6816 correctly with regards to stdio.h.
6818 * calls.c: Remove stdarg.h/varargs.h.
6821 * combine.c: Likewise.
6822 * cpperror.c: Likewise.
6823 * cpplib.c: Likewise.
6824 * cpplib.h: Likewise.
6825 * doprint.c: Likewise.
6826 * emit-rtl.c: Likewise.
6827 * final.c: Likewise.
6828 * fix-header.c: Likewise.
6830 * genattr.c: Likewise.
6831 * genattrtab.c: Likewise.
6832 * gencodes.c: Likewise.
6833 * genconfig.c: Likewise.
6834 * genemit.c: Likewise.
6835 * genextract.c: Likewise.
6836 * genflags.c: Likewise.
6837 * genopinit.c: Likewise.
6838 * genoutput.c: Likewise.
6839 * genpeep.c: Likewise.
6840 * genrecog.c: Likewise.
6841 * mips-tfile.c: Likewise.
6842 * prefix.c: Likewise.
6843 * protoize.c: Likewise.
6844 * regmove.c: Likewise.
6845 * toplev.c: Likewise.
6848 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6850 * config/sparc/sparc.c (sparc_override_options): If not
6851 TARGET_FPU, turn off TARGET_VIS.
6852 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
6853 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
6854 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
6855 (movdi_insn_sp64): Add VIS fzero alternative.
6856 (clear_sf, clear_df): New VIS patterns.
6857 (movsf, movdf expanders): Allow fp_zero_operand flat out when
6859 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
6861 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
6863 * loop.c (n_times_set, n_times_used, may_not_optimize,
6864 reg_single_usage): Convert to varrays. All uses changed.
6865 (insert_loop_mem): Return a value.
6866 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
6867 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
6870 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
6873 * configure.in: Do not set thread_file to "irix" since no such
6876 * sparc.md (float abs/neg splits): Check reload_completed before
6877 calling alter_subreg.
6879 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6881 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
6883 * config/sparc/sparc.h: Declare it.
6884 * config/sparc/sparc.md (float abs/neg splits): Use it.
6885 (all other splits): Handle SUBREGs properly where necessary.
6886 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
6888 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
6890 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
6891 an insn on the unfilled_slots_list that has no delay slots.
6892 (fill_eager_delay_slots): Similarly.
6894 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
6896 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
6897 as an ordinary operand.
6899 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
6901 * tree.c (valid_machine_attribute): Don't apply attributes to both
6904 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
6906 * reload.c (operands_match_p): Handle rtvecs.
6908 * i386.c (legitimate_pic_address_disp_p): New.
6909 (legitimate_address_p): Use it.
6910 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
6911 Handle constant pool symbols just like statics.
6912 (emit_pic_move): Use Pmode not SImode for clarity.
6913 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
6914 [UNSPEC]: New, handling what we killed above.
6915 [PLUS]: Detect and abort on invalid symbol arithmetic.
6916 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
6918 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
6920 * alias.c: Include output.h.
6921 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
6922 different if we're in a varargs function.
6923 * Makefile.in (alias.o): Depend on output.h
6925 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6927 * sh.h (GIV_SORT_CRITERION): Delete.
6929 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
6931 * regclass.c (regclass): Use xmalloc/free instead of alloca.
6932 * stupid.c (stupid_life_analysis): Ditto.
6933 * reload1.c (reload): Ditto.
6935 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6937 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
6938 arith_double_4096_operand, arith_double_add_operand): New
6940 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
6941 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
6942 them to transform add/sub 4096 into add/sub -4096.
6944 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6946 * loop.c (scan_loop): Allocate some slop to handle pseudos
6947 generated by move_movables.
6948 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
6951 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
6953 * tree.def (DECL_RESULT): Correct documentation.
6955 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6957 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
6958 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
6959 conflicts will all RELOAD_FOR_OUTPUT reloads.
6961 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
6962 loads the function result, substitute with a USE.
6964 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6966 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
6967 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
6968 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
6969 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
6970 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
6971 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
6973 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
6974 'o' to 'm' for GPR variant constraints.
6976 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
6978 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
6980 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
6982 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
6983 when the source and destination overlap.
6985 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
6986 clash with global type.
6988 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
6990 * fixinc.irix: Add curses.h handling from fixinc.wrap.
6992 * c-common.c (combine_strings): Also set TREE_READONLY.
6993 Change warn_write_strings to flag_const_strings.
6994 * c-decl.c, c-tree.h: Likewise.
6996 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6998 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
6999 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
7000 sequence, use SET/IOR instead so CSE can see it.
7001 * config/sparc/sparc.md (movhi_const64_special,
7002 movsi_const64_special): New patterns necessitated by that change.
7003 (movhi_high): Remove.
7004 (movhi_lo_sum): Change to match an IOR.
7005 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
7006 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
7007 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
7008 (movdf splits): Allow when not V9 or when not ARCH64 and integer
7009 registers are involved.
7010 (snesi_zero_extend split): Remove reload_completed test.
7011 (unnamed plus and minus zero_extend sidi splits): Add it.
7013 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
7015 * extend.texi: Remove description of extension to explicit
7016 instantiation that is now endorsed by standard C++.
7018 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7020 * config/arc/arc.c (arc_initialize_pic): Remove.
7021 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
7022 nothing on any platform and is invoked by no-one, it does not even
7023 appear in the documentation.
7024 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
7025 * config/sparc/sparc.c (initialize_pic): Likewise.
7026 (find_addr_reg): Remove this as well, no longer referenced after
7029 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
7031 * recog.c (validate_replace_rtx_group): New function.
7032 * recog.h (validate_replace_rtx_group): Declare it.
7033 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
7034 the entire group of substitutions.
7036 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
7038 * loop.c (load_mems): Fix initializers.
7040 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7042 * config/sparc/sparc.md (TFmode splits): Handle destination
7043 registers being referenced in the address correctly.
7045 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
7046 TREE_UNSIGNED, when bitsize of type's mode is larger than
7047 HOST_BITS_PER_WIDE_INT.
7049 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7051 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
7052 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
7053 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
7055 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
7058 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
7060 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
7061 * h8300.h (TINY_DATA_NAME_P): Likewise.
7062 (STRIP_NAME_ENCODING): Handle '&'.
7064 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
7065 register (it could be accessed via an outer SUBREG).
7066 (REG_OK_FOR_BASE_P): Likewwise.
7067 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
7069 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
7072 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
7074 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7076 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
7077 must be offsettable so the splits can be made.
7079 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
7081 * config/i386/winnt.c: Include system.h, not stdio.h to get
7082 sys/param.h pulled in before rtl.h in case the system defines MIN
7085 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
7087 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
7089 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
7091 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
7093 * cpplib.c (cpp_define): Handle macros with parameters.
7095 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7097 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
7098 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
7099 and DImode 64-bit. Use llong for minimal-toc SFmode and
7100 SYMBOL_REF / LABEL_REF 64-bit.
7101 (output_function_profiler): Use llong for profiler label and ld to
7102 load 64-bit label address.
7104 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
7106 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
7109 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
7111 * version.c: Bump for snapshot.
7113 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
7115 * version.c: Bump for snapshot.
7117 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
7119 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
7121 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
7123 * tm.texi (Misc): Fix typo "teh".
7125 * tm.texi (PIC): Fix typo "PPIC".
7127 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
7128 effect when -O2 and higher.
7129 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
7131 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
7133 * regclass.c: Changed register set documentation to be consistent
7136 * final.c (final_start_function) Removed redundant test for
7139 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
7141 * rtl.h (rtx_function): New type.
7142 (for_each_rtx): New function.
7143 * rtlanal.c (for_each_rtx): Define it.
7145 * recog.c (change_t): New type.
7146 (change_objects, change_old_codes, change_locs, change_olds):
7148 (changes): New variable.
7149 (validate_change): Dynamically allocate room for more changes, if
7150 necessary. Uses changes array instead of change_objects, etc.
7151 (apply_change_group): Use changes array instead of
7152 change_objects, etc.
7154 * loop.c (loop_mem_info): New type.
7155 (loop_mems): New variable.
7156 (loop_mems_idx): Likewise.
7157 (looop_mems_allocated): Likewise.
7158 (scan_loop): Remove nregs parameter.
7159 (next_insn_in_loop): New function.
7160 (load_mems_and_recount_loop_regs_set): Likewise.
7161 (load_mems): Likewise.
7162 (insert_loop_mem): Likewise.
7163 (replace_loop_mem): Likewise.
7164 (replace_label): Likewise.
7165 (INSN_IN_RANGE_P): New macro.
7166 (loop_optimize): Don't pass max_reg_num() to scan_loop.
7167 (scan_loop): Remove nregs parameter, compute it after any new
7168 registers are created by load_mems. Use INSN_IN_RANGE_P and
7169 next_insn_in_loop rather than expanding them inline. Call
7170 load_mems to load memory into pseudos, if appropriate.
7171 (prescan_loop): Figure out whether or not there are jumps from the
7172 loop to targets other than the label immediately following the
7173 loop. Call insert_loop_mem to notice all the MEMs used in the
7174 loop, if it could be safe to pull MEMs into REGs for the duration
7176 (strength_reduce): Use next_insn_in_loop. Tweak comments.
7178 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
7180 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
7182 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7184 * config/sparc/sparc.c (finalize_pic): Check for the correct
7185 nonlocal_goto_receiver UNSPEC number.
7186 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
7187 making note of this dependency existing in sparc.c
7188 (negtf2_notv9 split): Give NEG SFmode.
7189 (negsf2): Fix insn output string.
7191 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
7193 * c-common.c (decl_attributes): Issue an error if the argument
7194 to alias is not a string.
7196 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
7198 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
7199 pending memory flush list.
7201 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
7203 (try_combine): Allow combining insns with REG_LIBCALL notes.
7205 * expr.c (emit_block_move): Do not call memcpy as a libcall
7206 instead build up a CALL_EXPR and call it like any other
7208 (clear_storage): Similarly for memset.
7210 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
7213 * Makefile.in (cplus-dem.o): Provide explicit rules for building
7216 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
7217 and REG_LIVE_LENGTH as successful substitutions are made.
7219 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7221 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
7222 statement after end of loop label.
7224 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7226 * config/sparc/sparc.c (ultra_types_avail): New variable.
7227 (ultra_build_types_avail): New function to record mask of insn
7228 types in ready list at this cycle.
7229 (ultrasparc_sched_reorder): Call it.
7230 (ultra_find_type): Use it to quicken the search. Also simplif
7231 dependency check, don't use rtx_equal_p because we know exactly
7232 what we are looking for.
7234 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
7236 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
7237 for architecture v4.
7239 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7241 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
7243 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
7244 movdf_const_intreg and helper splits): New patterns to move float
7245 constants into integer registers.
7246 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
7249 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
7252 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
7254 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
7256 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
7257 a BASE_REGS register is needed as an intermediate when copying
7258 a symbolic value into any register class other than BASE_REGS.
7260 * expr.c (move_by_pieces): No longer static. Remove prototype.
7261 * rtl.h (move_by_pieces): Add extern prototype.
7262 * mips.c (expand_block_move): Handle aligned straight line copy by
7263 calling move_by_pieces.
7265 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
7268 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
7270 * stmt.c (expand_end_loop): Tidy. Allow unconditional
7271 jumps out of the loop to be treated as part of the exit test.
7273 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7274 Jeff Law <law@cygnus.com>
7276 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
7277 * cplus-dem.c: Delete.
7279 * Makefile.in (fold-const.o): depend on $(RTL_H).
7281 * fold-const.c: Include rtl.h to get the prototype for
7282 `set_identifier_local_value'.
7284 * loop.c (express_from_1): Remove unused variable `tmp'.
7285 (combine_givs): cast the first argument of bzero to char *.
7287 * toplev.c (display_help): Remove unused variable `looking_for_start'.
7289 * c-decl.c (init_decl_processing): Remove unneeded &.
7291 * alpha.h (alpha_initialize_trampoline): Provide prototype.
7293 * except.c (set_exception_lang_code, set_exception_version_code):
7294 Change parameter from `short' to `int' to avoid using a gcc
7297 * except.h (set_exception_lang_code, set_exception_version_code):
7298 Likewise for prototypes.
7300 * flow.c (count_reg_references): Remove unused variables `regno'
7303 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
7305 * prefix.c (translate_name): Cast the result of `alloca'.
7307 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
7309 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7311 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
7313 (valid_dbcc_comparison_p): Mark mode argument as unused.
7314 (symbolic_operand): Likewise.
7315 (legitimize_pic_address): Likewise.
7316 (const_uint32_operand): Likewise.
7317 (const_sint32_operand): Likewise.
7318 * sched.c [!INSN_SCHEDULING]: Define only dummy function
7319 schedule_insns and comment out rest of file.
7321 * m68k.c (output_move_simode_const): Use subl to move a zero into an
7323 (output_move_[hq]imode): Likewise.
7325 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
7327 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
7328 * invoke.texi: Corresponding changes.
7330 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
7332 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
7334 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7336 * config/sparc/sparc.c (ultra_code_from_mask,
7337 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7338 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
7339 ultrasparc_sched_init, ultrasparc_variable_issue,
7340 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
7341 functions to describe UltraSPARC pipeline exactly to Haifa.
7342 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
7343 as there is nothing the scheduler can do about it. Indicate that
7344 REG_DEP_OUTPUT's collide. Fixup formatting.
7345 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
7346 divide costs on Ultra for DImode.
7347 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
7349 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
7350 ieuN and add call_no_delay_slot to type list.
7351 (cti function unit): New unit for branches on UltraSPARC.
7352 (subx/addx insns): Set type to misc.
7353 (sidi zero/sign extension insns on arch64): Set type to shift.
7354 (sign_extendhidi2_insn): Set type to sload.
7356 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
7358 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
7359 (output_epilog): Use if != 0 for offset.
7360 (rs6000_fatal_bad_address): Prepare for Intl.
7361 * rs6000.h (rs6000_fatal_bad_address): Declare.
7362 * rs6000.md (movsfcc, movdfcc): Use else if.
7363 (elf_high): Use {liu|lis}.
7364 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
7365 (movsi): Use rs6000_fatal_bad_address.
7367 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
7369 * reload.c (find_equiv_reg): Reject equivalences separated
7370 by a volatile instruction.
7372 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7374 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
7376 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
7378 * alpha.md (movsicc): Fix mode mismatch.
7380 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
7382 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
7384 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
7386 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7388 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
7389 write-only modifier from operand 1 constraint.
7391 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7393 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
7394 emitting a XOR of -1 at the end, emit a NOT instead for combine's
7396 (sparc_emit_set_const64): Likewise, also when computing trailing
7397 bits do not negate low_bits and make fast_int an int.
7399 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
7401 * loop.c (add_label_notes): Do not ignore references to labels
7402 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
7403 * gcse.c (add_label_notes): Similarly.
7405 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
7407 * m68k.md (adddi_dilshr32): One of the operands must be a register.
7408 (adddi_dishl32): Similarly.
7410 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
7412 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
7413 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
7414 * cse.c (cse_basic_block): Add parens to shut up warnings.
7416 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7418 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
7419 sparc_emit_set_const64_longway, const64_is_2insns,
7420 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
7421 in 64-bit constant formation.
7422 * config/sparc/sparc.md (snesi_zero_extend split): Generate
7423 rtl for addx not subx.
7424 (define_insn movdi_const64_special): Make available even when
7425 HOST_BITS_PER_WIDE_INT is not 64.
7426 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
7427 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
7428 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
7429 instances of operand 1 inside a QI subreg.
7430 (xordi3_sp64_dbl): Remove '%' constraint for op1.
7431 (one_cmpldi2_sp64): Fix output string.
7432 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
7434 (unnamed arch64 ashift DI): Truncate shift count if greater than
7437 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7439 * expr.c (store_expr): Don't optimize away load-store pair
7440 when either source or destination have a side effect.
7442 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
7444 * genrecog.c (add_to_sequence): Fatal error if the modes of the
7445 operands of SET are incompatible.
7447 * alpha.md: Fix max and min patterns so modes of SET operands match.
7449 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
7451 * configure.in: Avoid [[ by using test and changequote.
7452 * configure: Rebuild.
7454 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7456 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7458 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7459 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7460 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7461 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7462 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7463 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
7464 Fix mismatching modes in SET operands.
7465 (conditional move patterns): Fix formatting.
7466 (unnamed subx arch64 pattern): Remove duplicate insn.
7468 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7470 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7471 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
7472 (input_operand): Fixup test for what we accept for constant
7474 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
7476 (safe_constDI): Remove.
7477 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7478 gen_safe_XOR64): New functions.
7479 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
7480 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
7482 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
7483 available when HOST_BITS_PER_WIDE_INT is not 64.
7484 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
7485 move before movdi_insn_sp64 pattern.
7486 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
7487 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
7488 symbolic_operand as predicate for second operand.
7489 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
7490 expander): Give set VOIDmode.
7492 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
7494 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
7496 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
7498 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
7500 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
7502 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
7504 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
7506 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
7508 * install.texi: Various SCO OpenServer tweaks.
7510 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
7512 * reload1.c (eliminate_regs_in_insn): Handle another case when
7513 eliminating the frame pointer to the hard frame pointer. Add
7514 missing ep->to_rtx check to one existing case.
7516 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
7518 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7520 * tree.h: De-conditionalize init_priority code.
7522 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
7523 * collect2.c (NM_FLAGS): Change from -p to -n.
7525 * configure.in: Turn on collect2 for mipstx39-elf.
7526 Handle use_collect2=no properly.
7528 * c-common.c: De-conditionalize init_priority code.
7529 * collect2.c (extract_init_priority, sort_ids): New fns.
7530 (main): Call sort_ids.
7531 Move sequence_number to file scope.
7533 * configure.in: Handle --enable-init-priority.
7534 * c-common.c (attrs): Add A_INIT_PRIORITY.
7535 (init_attributes, decl_attributes): Likewise.
7536 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
7537 * tree.c (get_file_function_name_long): Split out...
7538 (get_file_function_name): ...from here.
7540 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
7542 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
7545 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
7547 * toplev.c (display_help): Add braces to shut up warnings.
7548 * tree.c (simple_cst_equal): Likewise.
7550 * fold-const.c (non_lvalue): Don't deal with null pointer
7552 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7554 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
7555 of any size to a pointer.
7557 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
7559 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
7561 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
7563 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
7564 which will be saved.
7565 * mn10300.md (prologue insn): Only save registers which need saving.
7566 (epilogue insn): Similarly.
7568 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
7571 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
7573 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
7574 VAR_DECL's in gp addressable sections.
7576 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
7578 * sparc.c: Change return <exp> to <exp>; return; in functions
7580 * sparc.md: Add empty semicolon statement after final label in
7583 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7585 * config/sparc/sparc.md (define_insn addx_extend): Rename to
7586 addx_extend_sp64, only allow when TARGET_ARCH64.
7587 (define_insn addx_extend_sp32 and split): Version that works when
7589 (define_insn subx_extend): Likewise.
7590 (define_split adddi3 and subdi3 with zero extension): Fixup and
7591 correct bugs when not TARGET_ARCH64.
7593 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
7595 * except.c (set_exception_lang_code, set_exception_version_code):
7596 Use prototype-style definition if __STDC__, to match declaration
7599 * genemit.c: Change FAIL and DONE macros not to use loops.
7601 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
7603 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
7604 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
7606 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
7608 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
7610 * README.g77: Update from Craig.
7612 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7614 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
7616 (safe_constDI sparc_emit_set_const64_quick1,
7617 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7618 analyze_64bit_constant, const64_is_2insns,
7619 create_simple_focus_bits): Fix some bugs when compiled on real
7621 (function_arg_record_value_3, function_arg_record_value_2,
7622 function_arg_record_value): Add fully prototyped forward decls.
7623 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
7624 to cmpsi_insn and use on both 64 and 32 bit targets.
7625 (define_insn cmpsi_insn_sp64): Remove.
7626 (define_expand zero_extendsidi2): Allow for 32-bit target too.
7627 (define_insn zero_extendsidi2_insn): Rename to
7628 zero_extendsidi2_insn_sp64.
7629 (define_insn zero_extendsidi2_insn_sp32): New pattern and
7630 assosciated forced split for it.
7632 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7634 * config/sparc/sparc.h: Declare them.
7635 (PREDICATE_CODES): Add them.
7636 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
7637 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
7639 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
7641 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
7642 in v9 case as the latter makes the Solaris assembler crash.
7644 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7646 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
7647 for TFmode when !v9. We require offsettable memory addresses.
7648 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
7649 DFmode register number conversions.
7650 * config/sparc/sparc.md (define_split DFmode moves): If register
7651 is a SUBREG do alter_subreg on it before using.
7652 (define_expand movtf): Fixup comment about alignment on v9.
7653 (define_split TFmode moves): Don't use gen_{high,low}part, create
7654 explicit SUBREGs instead.
7656 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
7658 * Makefile.in (mbchar.o): Depend on mbchar.c.
7660 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7661 Richard Henderson <rth@cygnus.com>
7663 Rewrite Sparc backend for better code generation and
7664 improved sparc64 support.
7665 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
7667 * config/sparc/sysv4.h: Likewise.
7668 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
7669 move_operand, v8plus_regcmp_op, emit_move_sequence,
7670 singlemove_string, doublemove_string, mem_aligned_8,
7671 output_move_double, output_move_quad, output_fp_move_double,
7672 move_quad_direction, output_fp_move_quad, output_scc_insn):
7674 (small_int_or_double): New predicate.
7675 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
7676 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
7677 old pic_{sethi,lo_sum}_si patterns.
7678 (mem_min_alignment): New generic function to replace
7679 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
7680 available and can test for arbitrary alignments. All callers
7682 (save_regs, restore_regs, build_big_number,
7683 output_function_prologue, output_cbranch, output_return,
7684 sparc_flat_save_restore, sparc_flat_output_function_prologue,
7685 sparc_flat_output_function_epilogue): Prettify
7687 (output_function_epilogue): Likewise and add code to output
7688 deferred case vectors.
7689 (output_v9branch): Likewise, add new arg INSN and use it to tack
7690 on branch prediction settings. All callers changed.
7691 (print_operand): Likewise and output %l44 for LO_SUMs when
7693 (sparc_splitdi_legitimate): New function to make sure DImode
7694 splits can be run properly when !arch64.
7695 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
7696 Reformat example code in comments.
7697 (set_extends): Remove UNSPEC/v8plus_clear_high case.
7698 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
7699 of deferred case vectors we need to output.
7700 (sparc_defer_case_vector): Record a case vector.
7701 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
7702 sparc_output_deferred_case_vectors): New functions to output them.
7703 (sparc_emit_set_const32): New function to form 32-bit constants in
7704 registers when that requires more than one instruction.
7705 (safe_constDI, sparc_emit_set_const64_quick1,
7706 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7707 analyze_64bit_constant, const64_is_2insns,
7708 create_simple_focus_bits, sparc_emit_set_const64): New functions
7709 which do the same for 64-bit constants when arch64.
7710 (sparc_emit_set_symbolic_const64): New function to emit address
7711 loading for all code models on v9.
7712 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
7713 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
7714 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
7715 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
7716 inaccuracies in comments, add symbolic and text_segment operands
7717 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
7718 GENERAL_REGS in these cases as a temp REG is needed to load these
7719 addresses into a register properly.
7720 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
7722 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
7723 quads are guarenteed to have 16-byte alignment.
7724 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
7725 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
7726 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
7727 deferred case vector implementation.
7728 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
7729 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
7730 Generate "internal label - label" instead of "label - 1b".
7731 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
7732 (PREDICATE_CODES): Remove sparc_operand, move_operand,
7733 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
7735 (doublemove_string, output_block_move, output_fp_move_double,
7736 output_fp_move_quad, output_move_double, output_move_quad,
7737 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
7738 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
7739 (sparc_emit_set_const32, sparc_emit_set_const64,
7740 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
7741 mem_min_alignment, small_int_or_double): Add externs.
7742 * config/sparc/sparc.md: Document the many uses of UNSPEC and
7743 UNSPEC_VOLATILE in this backend.
7744 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
7745 unary to types which execute in it.
7746 (define_function_unit ieu_shift): Rename to ieu0.
7747 (define_function_unit ieu1): New, executes compare, call, and
7748 uncond_branch type insns.
7749 (define_function_units for type fdivs, fdivd, fsqrt): These
7750 execute in the fpu multiply unit not the adder on UltraSparc.
7751 (define_expand cmpdi): Disallow TARGET_V8PLUS.
7752 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
7753 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
7754 allows the arith_double_operand predicate and rHI constraint when
7756 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
7757 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
7758 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
7759 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
7760 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
7761 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
7762 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
7763 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
7764 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
7765 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
7766 sign_extendqihi2_insn, sign_extendqisi2_insn,
7767 sign_extendqidi2_insn, sign_extendhidi2_insn,
7768 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
7769 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
7770 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
7771 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
7772 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
7773 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
7774 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
7775 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
7776 smulsi3_highpart_v8plus, unnamed subreg mult,
7777 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
7778 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
7779 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
7780 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
7781 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
7782 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
7783 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
7784 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
7785 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
7786 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
7787 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
7788 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
7789 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
7790 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
7791 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
7792 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
7793 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
7794 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
7795 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
7796 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
7797 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
7798 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
7799 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
7800 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
7801 call_address_untyped_struct_value_sp32,
7802 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
7803 call_value_symbolic_sp32, call_value_address_sp64,
7804 call_value_symbolic_sp64, branch_sp32, branch_sp64,
7805 flush_register_windows, goto_handler_and_restore,
7806 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
7807 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
7808 return_addsi, return_di, return_adddi, return_sf, all call+jump
7809 peepholes, trap, unnamed trap insns): Prettify output strings.
7810 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
7811 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
7812 Likewise and force + implement splits for integer cases.
7813 (define_insn return_sf_no_fpu): Likewise and allow to match when
7814 no-fpu because of our subreg SFmode splits.
7815 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
7816 zero_extendqidi2_insn, zero_extendhidi2_insn,
7817 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
7818 input_operand for second operand.
7819 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
7820 reg_or_0_operand for operand 2 so new splits can use it.
7821 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
7822 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
7824 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
7825 CONST_DOUBLEs for operand 2.
7826 (define_insn move_label_di): Likewise and label distance
7827 optimization because it no longer works with new deferred case
7828 vector scheme. To be revisited.
7829 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
7830 and allow reg_or_0_operand and J constraint for second operand.
7831 (define_insn jump): Set branch predict taken on V9.
7832 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
7833 new deferred case vector scheme.
7834 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
7835 (define_insn negdi2_sp32): Force + implement splits.
7836 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
7837 one_cmplsi2_not_liveg0 respectively, and create expander of original
7838 names which emit special rtl for TARGET_LIVE_G0.
7839 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
7840 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
7841 gen_compare_reg, FAIL instead.
7842 (define_insn sgtu, sleu): Likewise and check gen_s*() return
7843 values when trying to reverse condition codes, if they FAIL then
7845 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
7846 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
7847 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
7848 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
7849 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
7850 set output string to # to indicate they are mandatory splits.
7851 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
7852 pic_sethi_di, move_pic_label_si): Remove.
7853 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
7854 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
7856 (define_expand movsi_pic_label_ref, define_insn
7857 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
7858 expander and insns to handle PIC label references and deferred
7860 (define_insn get_pc_via_rdpc): Comment out as it is no longer
7862 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
7863 Rewrite to not use emit_move_sequence, make use of new constant
7864 formation code, and new splits for all multi-insn cases.
7865 (define_insn movqi_insn): Remove sethi case, it can never happen.
7866 Use reg_or_zero_operand instead of const0_rtx explicit test,
7867 use input_operand instead of move_operand for source, and use
7868 general_operand now for dest.
7869 (define_insn movhi_insn): Similar but leave sethi case.
7870 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
7871 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
7872 movhi_lo_sum respectively, prettify output string.
7873 (define_insn movsi_zero_liveg0): New pattern to put zero into a
7874 register when needed on TARGET_LIVE_G0.
7875 (define_insn movsi_insn): Use general_operand and input_operand
7876 for dest and src respectively. Simplify applicability test.
7877 Prettify output strings, and add clr alternative for J
7879 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
7880 deprecated std and reg-reg DI moves): Remove and...
7881 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
7882 implementation which uses forced splits for all non-single insn
7884 (define_split DI move cases on !arch64): New splits to handle all
7885 situations of 64-bit double register DImode on 32bit, and
7886 unaligned registers and memory addresses for all subtargets.
7887 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
7889 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
7890 input_operand for dest and src respectively, prettify output
7892 (define_insn movdf_insn, movdf_no_e_insn, store_df,
7893 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
7895 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
7896 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
7897 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
7898 movtf_no_e_insn_sp64) Replace with new
7899 implementation which uses forced splits for all non-single insn
7901 (define_split DF move cases): New splits in similar vein to DI
7903 (define_insn sethi_di_medlow, sethi_di_medium_pic,
7904 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
7905 movdi_sp64_insn): Remove old v9 code model and constant loading
7907 (define_insn pic_lo_sum_di, pic_sethi_di,
7908 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
7909 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
7910 embmedany_sethi, embmedany_losum, embmedany_brsum,
7911 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
7912 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
7913 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
7914 scheme, using unspecs, secondary reloads, and one to one sparc
7915 insn to rtl insn mapping for better scheduling and code gen.
7916 (define_expand reload_indi, reload_outdi): Reload helpers for
7917 MEDANY and EMBMEDANY symbol address loading cases which require a
7919 (define_expand movsicc): Remove v8plus_regcmp cases.
7920 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
7921 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
7922 cmp_diqi_trunc_set): New patterns used by some of the new scc
7924 (define_insn xordi3_sp64_dbl): New pattern used for constant
7925 formation when crossing from 32-bit targets.
7926 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
7928 (define_insn addx, subx): Make visible and prettify.
7929 (define_insn adddi3_insn_sp32): Likewise and force split.
7930 (define_insn addx_extend, subx_extend, unnamed): New patterns for
7931 64bit scc split usage.
7932 (define_insn unnamed plusDI zero_extend, unnamed minusDI
7933 zero_extend, subdi3): Force and implement splits.
7935 * final.c (final_scan_insn): Don't output labels if target
7936 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
7939 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
7940 don't forget to walk inside SEQUENCESs too as these are what the
7941 delay slot scheduler will create.
7943 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
7945 * alpha.md (extxl+1,+2): New patterns to work around
7948 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
7950 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
7951 caused bad assembly code to be generated.
7953 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
7955 * netbsd.h: Fix typo.
7957 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
7959 * config.sub: Fix typo.
7961 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
7963 * invoke.texi (Environment Variables): Typo: Change "ascpects"
7965 (Running Protoize): Typo: Change "ther" into "other".
7967 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
7969 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
7970 * m68k/netbsd.h: Likewise.
7971 * ns32k/netbsd.h: Likewise.
7972 * sparc/netbsd.h: Likewise.
7974 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
7976 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
7977 * ginclude/va-clipper.h (va_list): Likewise.
7979 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
7981 * rs6000.c (rs6000_override_options): If big endian and -Os, use
7982 load/store multiple instructions unless user overrides.
7984 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
7986 * ns32k/netbsd.h: Fix typo.
7988 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
7990 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
7991 labels with .debugsym if no parallel insns.
7993 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
7995 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
7996 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
7998 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
8000 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
8001 (AR_FOR_TARGET): Define.
8003 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
8005 * dyn-string.h: New file.
8006 * dyn-string.c: Likewise.
8007 * Makefile.in (OBJS): Add dyn-string.o.
8008 (dwarf2out.o): Add dyn-string.h dependency.
8009 (dyn-string.o): List dependencies.
8010 * dwarf2out.c: Include dyn-string.h.
8011 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
8012 (addr_const_to_string): Take a dyn_string_t, not a char* as a
8013 prototype. Use dyn_string_append rather than strcat, throughout.
8014 (addr_to_string): Use dyn_string_t.
8016 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
8018 Function entry/exit profiling instrumentation:
8019 * expr.h (profile_function_entry_libfunc,
8020 profile_function_exit_libfunc): Declare new variables.
8021 * optabs.c: Define them here.
8022 (init_optabs): Initialize them.
8023 * tree.h (struct tree_decl): New flag
8024 no_instrument_function_entry_exit.
8025 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
8026 * c-decl.c (duplicate_decls): Merge it.
8027 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
8028 (init_attributes): Use it for "no_instrument_function".
8029 (decl_attributes): Handle it, for functions that have not yet been
8030 compiled. Set decl flag.
8031 * flags.h (flag_instrument_function_entry_exit): Declare new
8033 * toplev.c (flag_instrument_function_entry_exit): Define it here.
8034 (f_options): New option "instrument-functions".
8035 * function.h (struct function): New field instrument_entry_exit.
8036 * function.c (current_function_instrument_entry_exit): New
8038 (push_function_context_to, pop_function_context_from): Save and
8040 (expand_function_start): Set current_ variable, maybe emit return
8041 label and entry profile call.
8042 (expand_function_end): Maybe emit exit profile call.
8044 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
8046 * i386.md (movqi): When optimizing a load of (const_int 1) into a
8047 NON_QI_REG_P, pretend the register is SImode.
8049 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
8051 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
8052 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
8053 manufacturer id for ns32k.
8054 * configure: Regenerated.
8055 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
8056 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
8057 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
8058 * config/m68k/netbsd.h: Same.
8059 * config/ns32k/netbsd.h: Same.
8060 * config/sparc/netbsd.h: Same.
8062 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
8064 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
8065 or UNROLL_COMPLETELY loop that starts with a jump to its
8068 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
8070 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
8071 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
8072 (print_operand, case 'B'): Don't fall through.
8073 (print_operand, case 'S'): Correct mask begin/end computation.
8074 Use HOST_BITS_PER_WIDE_INT.
8075 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
8076 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
8077 * rs6000/aix41.h (CPP_PREDEFINES): Same.
8078 * rs6000/aix43.h (CPP_PREDEFINES): Same.
8080 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
8082 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
8083 constraint from second alternative.
8085 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8087 * configure.in: Fix --without/--disable cases for local-prefix,
8088 gxx-include-dir and checking.
8090 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8092 * configure.in (enable_haifa): Set by default for sparc64 too.
8095 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8097 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
8098 * i386/winnt.c (associated_type): New fn.
8099 (i386_pe_valid_type_attribute_p): New fn.
8100 (i386_pe_check_vtable_importexport): Remove.
8101 (i386_pe_dllexport_p): Use associated_type.
8102 (i386_pe_dllimport_p): Likewise.
8104 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
8105 * i386.c (i386_valid_type_attribute_p): Also accept
8106 attributes for METHOD_TYPEs.
8108 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
8110 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
8112 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
8114 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
8116 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
8117 them from generating a new base name for each occurence of
8120 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
8122 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
8124 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
8128 * cplus-dem.c (type_kind_t): New type.
8129 (demangle_template_value_parm): Add type_kind_t parameter. Rely
8130 on this paramter, rather than demangling the type again.
8131 (demangle_integral_value): Pass tk_integral.
8132 (demangle_template_: Pass the value returned from do_type.
8133 (do_type): Return a type_kind_t. Pass tk_integral to
8134 demangle_template_value_parm for array bounds.
8135 (demangle_fund_type): Likewise.
8137 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
8139 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
8142 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
8144 * pa.c (move_operand): Accept CONSTANT_P_RTX.
8146 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
8148 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
8150 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
8153 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
8155 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
8156 (DEBUGGER_ARG_OFFSET): Likewise.
8158 * mn10300.md (movsf): Remove last change. Not needed.
8160 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
8162 * c-lex.c (yylex): Fix boundary conditions in character literal and
8163 string literal loops.
8165 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
8167 * longlong.h (count_leading_zeros): Sparclite scan instruction was
8168 being invoked incorrectly.
8170 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
8171 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
8173 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
8174 * configure.in: Added i[34567]86-*-win32
8175 * config.sub: Ditto.
8176 * configure: Rebuilt.
8178 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
8180 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
8181 the frame pointer and compiling PIC code and reload has not completed.
8183 * i386.c (output_to_reg): Add code to emulate non-popping DImode
8186 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
8188 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
8190 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8192 * Makefile.in (install-info): Only try to update the info
8193 directory file if it exists in the first place.
8195 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
8197 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
8199 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
8201 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
8202 CONST_DOUBLE source.
8204 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
8206 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
8207 strings as the insertion of USER_LABEL_PREFIX.
8208 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
8210 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
8213 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
8215 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
8216 already defined type.
8218 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
8220 * expr.c (check_max_integer_computation_mode): Allow conversions
8221 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
8222 (expand_expr): Likewise.
8224 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8226 * expr.c (expand_expr): Expand RETURN_EXPR.
8228 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
8230 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
8232 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
8234 * dwarf2out.c (output_aranges): Call stripattributes
8235 for TEXT_SECTION references.
8236 (output_line_info): Likewise.
8238 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8240 * profile.c (branch_prob): Call allocate_reg_info after outputting
8241 profile rtl in instrument_arcs.
8243 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
8245 * fixinc.irix (math.h): Install wrapper instead of copying.
8247 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8249 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
8250 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
8251 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
8252 lang_flag_0. Added documentation in the flag table.
8254 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
8256 * cccp.c (do_include): Fix vax c style include handling.
8258 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8260 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
8262 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
8264 * fold-const.c (non_lvalue): Don't deal with null pointer
8266 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8268 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
8270 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
8271 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
8272 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
8273 (u_short_cint_operand): Same.
8274 (reg_or_cint_operand): Same.
8275 (logical_operand): Same.
8276 (input_operand): Same.
8277 (reg_or_short_operand): Use u_short_cint_operand.
8279 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
8281 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
8282 but keep the insns and splits. Adjust so when the ultimate destination
8283 is memory, use cvtql.
8285 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
8287 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
8289 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
8291 * gcc.c (do_spec): Call "error" not "warning".
8293 * configure.in: Fix minor problems with gas feature detection code.
8294 * configure: Rebuilt.
8296 * gcc.c (do_spec): Issue a warning for '%[]' usage.
8299 * gcc.c: Delete %[spec] support.
8300 (do_spec_1, case '('): Likewise.
8301 (do_spec_1, case '['): Call error.
8303 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
8305 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
8306 (CPP_SUBTARGET_SPEC): Default to empty string.
8307 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
8308 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
8309 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
8310 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
8312 * alpha/linux.h (CPP_PREDEFINES): Tidy.
8313 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
8314 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
8315 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
8316 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
8317 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
8318 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
8319 * alpha/vxworks.h: Likewise.
8321 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
8323 * mips.md (reload_outsi): Added missing REGNO call.
8324 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
8326 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
8327 another match_operator and compare the codes.
8329 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
8331 * MIPS multiply pattern fixes:
8332 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8333 Add union classes for HI, LO, or HILO plus general registers.
8334 (GENERATE_MADD): Deleted.
8335 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
8336 Add TARGET_MAD to condition.
8337 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
8338 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
8339 "*d" for accumulator, to give preference to LO initially but not
8342 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
8344 * configure.in (enable_c_mbchar): New configure option.
8345 (extra_cpp_objs): Always available now.
8347 * cexp.y (mbchar.h): #include it.
8348 (yylex): Handle Multibyte characters in character literals.
8350 * cccp.c (mbchar.h): #include it.
8351 (main): Set character set based on LANG environment variable.
8352 (rescan): Handle multibyte characters in comments.
8353 (skip_if_group): See above.
8354 (validate_else): See above.
8355 (skip_to_end_of_comment): See above.
8356 (macarg1): See above.
8357 (discard_comments): See above.
8358 (rescan): Handle multibyte characters in string and character literals.
8359 (collect_expansion): See above.
8360 (skip_quoted_string): See above.
8361 (macroexpand): See above.
8362 (macarg1): See above.
8363 (discard_comments): See above.
8364 (change_newlines): See above.
8366 * c-lex.c (mbchar.h): #include it.
8367 (GET_ENVIRONMENT): New macro.
8368 (init_lex): Set character set based on LANG environment variable.
8369 (yylex): Handle multibyte characters in character literals.
8370 (yylex): Handle multibyte characters in string literals.
8372 * Makefile.in (mbchar.o): New target.
8373 (cccp$(exeext)): @extra_cpp_objs@ is always available.
8374 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
8376 * mbchar.[ch]: New files for multibyte character handling.
8378 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8380 * jump.c (jump_optimize): When simplifying noop moves and
8381 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
8382 the PUSHes to rewrite in second loop as we did in the first.
8384 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8386 * cplus-dem.c (demangle_nested_args): Make function definition
8387 static to match the prototype.
8389 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
8391 * alloca.c: Respect USE_C_ALLOCA.
8392 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
8393 * gengenrtl.c (xmalloc): Likewise.
8395 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
8397 * loop.h (struct induction): Add no_const_addval.
8398 * loop.c (the_movables, reg_address_cost): New variables.
8399 (init_loop): Init reg_address_cost.
8400 (loop_optimize): Call end_alias_analysis.
8401 (scan_loop): Init the_movables.
8402 (record_giv): Init induction->no_const_addval.
8403 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
8404 [REG]: Rearrange loop search test to catch more cases.
8405 (general_induction_var): Return success not benefit; take an extra
8406 argument for that. Change all callers.
8407 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
8408 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
8409 [default]: Search the_movables for additional combinations.
8410 (sge_plus_constant, sge_plus): New functions.
8411 (express_from_1): New function.
8412 (express_from): Always define. Rewrite using express_from_1.
8413 (combine_givs_p): Handle more cases. Ignore address cost.
8414 (cmp_combine_givs_stats): New function.
8415 (combine_givs_used_once, combine_givs_benefit_from): New functions.
8416 (combine_givs): Rewrite to do best-fit combination.
8418 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
8419 (fold): Do a complete (A*C)+(B*C) association check.
8421 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
8423 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
8425 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
8427 * mn10300.c (MODES_TIEABLE_P): Fix typo.
8429 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
8431 * tree.c (valid_machine_attribute): Only create a new type variant if
8432 there is a decl to use it.
8434 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
8436 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
8439 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
8441 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
8444 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
8446 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
8447 Simplify tests for clearing an address register.
8448 (expand_prologue): Corresponding changes.
8450 * mn10300.md (movXX patterns): Make sure the destination is an
8451 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
8452 (logical patterns): Split into expanders + patterns
8453 (zero and sign extension patterns): Similarly.
8454 (shift patterns): Similarly.
8456 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8458 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8459 for the sequence, recording base values.
8461 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8463 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
8465 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
8467 * gcc.c: Remove ANSI-C ism from --help code.
8469 * toplev.c: Support --help with USE_CPPLIB.
8471 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
8473 * configure.in: Rework gas feature code to work with symlink based
8476 * extend.texi: Clarify some issues related to local variables
8477 assigned to explicit registers.
8479 * mn10300.md (mulsi): Turn into expander + pattern.
8481 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
8484 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
8486 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
8488 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
8490 * version.c: Bump again to distinguish mainline tree from the
8493 See ChangeLog.0 for earlier changes.
8496 add-log-time-format: current-time-string