1 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
3 * toplev.c (rest_of_compilation): Do not set reload_completed.
4 * reload1.c (reload): Set reload_completed before calling
5 cleanup_subreg_operands.
7 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
9 * reload1.c (emit_reload_insns): Check `set' not null before use.
11 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
13 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
16 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
18 * halfpic.c (half_pic_encode): Delete redundant code.
20 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
22 * toplev.c (main): Delete handling of -dM as a preprocessor
25 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
27 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
28 -dI, which are handled by the preprocessor.
30 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
32 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
33 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
35 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
37 * version.c: Bump for snapshot.
39 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
41 * version.c: Bump for snapshot.
43 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
45 * version.c: Bump for snapshot.
47 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
49 * genattr.c (fatal): Qualify a char* with the `const' keyword.
51 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
52 write_unit_name, write_eligible_delay, expand_units,
53 make_length_attrs, write_attr_case, find_attr,
54 make_internal_attr): Likewise.
55 * gencheck.c (tree_codes): Likewise.
56 * gencodes.c (fatal): Likewise.
57 * genconfig.c (fatal): Likewise.
58 * genemit.c (fatal): Likewise.
59 * genextract.c (fatal, walk_rtx, copystr): Likewise.
60 * genflags.c (fatal): Likewise.
61 * genopinit.c (fatal, optabs, gen_insn): Likewise.
62 * genoutput.c (fatal, error, predicates): Likewise.
63 * genpeep.c (fatal): Likewise.
64 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
65 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
67 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
69 * configure.in (with-fast-fixincludes): Fix whitespace.
72 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
73 asm() etc. function declarations in __DECC.
75 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
77 * expr.c (emit_move_insn_1): Only emit a clobber if the target
80 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
82 * gcse.c: Include expr.h in order to get the prototype for
83 get_condition() which is used in delete_null_pointer_checks().
85 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
87 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
89 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
91 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
92 (ALL_CFLAGS): Delete SCHED_CFLAGS.
94 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
96 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
99 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
101 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
102 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
103 optimizations from the combiner.
105 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
107 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
109 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
111 * toplev.c (main): Disable optimize_size if a specific
112 optimization level is requested. Always set optimization
113 level to 2 if -Os is specified.
115 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
117 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
119 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
120 initialize it using fname.
122 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
124 * cpplib.c (do_include): Treat #include_next in the
125 primary source file as #include plus warning. Treat
126 #include_next in a file included by absolute path as an
127 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
129 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
131 * cccp.c: Don't define MIN/MAX anymore.
132 * cpplib.c: Likewise.
133 * machmode.h: Likewise.
134 * system.h: Provide definitions for MIN/MAX.
136 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
138 * fix-header.c: Don't define xstrdup here.
140 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
142 * loop.c (consec_sets_giv): New argument last_consec_insn.
143 (strength_reduce): Provide / use it.
145 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
147 * loop.h (loop_info): New field 'vtop'.
148 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
149 scanning loop for vtop.
150 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
151 (loop_iterations): Use them to determine if loop has a constant
152 number of iterations. Set loop_info->vtop. Don't subtract
153 common reg term from initial_value and final_value if have a
156 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
158 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
160 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
162 * mn10200.md (abssf2, negsf2): New expanders.
164 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
166 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
168 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
169 replaced by a CONCAT whoes components do not have the same
170 mode as the original SUBREG, use a new SUBREG to restore the
173 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
174 multiword complex values.
176 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
178 * cppalloc.c: Add xstrdup here.
179 * cpplib.h: Remove savestring prototype.
180 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
182 * cppfiles.c: s/savestring/xstrdup/ throughout.
184 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
186 * cpplib.c: Make all directive handlers read their own
188 (struct directive): Remove last two arguments from FUNC
189 member prototype. Remove `command_reads_line' member
191 (directive_table): Remove initializations of
192 command_reads_line flag. Pretty-print.
193 (eval_if_expression, do_define, do_line, do_include,
194 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
195 do_else, do_elif, do_sccs, do_assert, do_unassert,
196 do_warning): Take only two args.
198 (cpp_define): Call do_define with two args and the text to
199 define stuffed into a buffer.
200 (make_assertion): Call do_assert with two args.
201 (handle_directive): Call do_line with two args. Call
202 kt->func with two args. Remove command_reads_line
204 (do_define, do_undef, do_error, do_warning, do_pragma,
205 do_sccs): Read the rest of the line here.
206 (do_ident): Gobble rest of line, as cccp does.
207 (cpp_undef): New function.
208 (cpp_start_read): Call cpp_undef instead of do_undef.
210 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
212 * cpphash.h (union hash_value): Remove `keydef' member, add a
213 `struct hashnode *aschain' member for #assert.
215 * cpplib.c (struct tokenlist_list, struct
216 assertion_hashnode): Delete structure definitions.
217 (assertion_install, assertion_lookup, delete_assertion,
218 check_assertion, compare_token_lists, reverse_token_list,
219 read_token_list, free_token_list): Delete functions.
220 (parse_assertion): New function.
221 (cpp_cleanup): Don't destroy the assertion_hashtable.
223 (do_assert): Gut and rewrite. #assert foo (bar) places
224 entries for `#foo' and `#foo(bar)' in the macro hash table,
225 type T_ASSERT. The value union's `aschain' member is used
226 to chain all answers for a given predicate together.
227 (do_unassert): Also rewritten. Take an un-asserted
228 answer off the chain from its predicate and call
229 delete_macro on the hashnode, or walk a predicate chain
230 calling delete_macro on all the entries.
231 (cpp_read_check_assertion): Simply call parse_assertion to
232 get the canonical assertion name, and look that up in the
235 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
238 * cpphash.c (install): Use bcopy instead of an explicit loop
239 to copy the macro name.
241 * cppexp.c (cpp_lex): Convert the result of
242 cpp_read_check_assertion to a `struct operation' directly;
243 don't go through parse_number.
245 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
247 * loop.h (struct induction): Delete times_used member.
248 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
249 (n_times_used): Rename to n_times_set. Changed all users.
250 (scan_loop): Free reg_single_usage before strength reduction.
251 (record_giv, combine_givs): Remove handling of times_used member.
252 (combine_givs_used_once): Rename to:
253 (combine_givs_used_by_other) . Changed all callers.
255 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
257 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
258 instead of TREE_CODE_CLASS == 't'.
259 (gen_type_die): Likewise.
260 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
262 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
264 * real.c (endian): Disable last change unless
265 HOST_BITS_PER_WIDE_INT is greater than 32.
267 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
269 * output.h (force_data_section): New prototype.
270 * varasm.c (force_data_section): New function to force the
271 data section, regardless of what in_section thinks.
272 * dwarf2out.c (output_call_frame_info): Call force_data_section
273 since varasm may not realize we've changes sections.
275 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
277 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
278 after completeing reload.
280 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
281 deleted after reload.
283 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
285 * rtl.h (multiple_sets): Fix prototype.
286 * rtlanal.c (multiple_sets): Fix return type.
288 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
290 * version.c: Bump for snapshot.
292 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
294 * version.c: Bump for snapshot.
296 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
298 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
300 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
302 * rtl.h (recompute_reg_usage): Add second argument.
303 * flow.c (recompute_reg_usage): Likewise.
304 * toplev.c (rest_of_compilation): Supply second argument to
307 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
310 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
312 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
313 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
314 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
317 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
319 * rtlanal.c (multiple_sets): New function.
320 * rtl.h (multiple_sets): Declare it.
321 * local-alloc.c (wipe_dead_reg): Use it.
322 * global.c (global_conflicts): Likewise.
324 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
326 * global.c (record_conflicts): Don't use an array of shorts to
327 store an array of ints.
328 (global_conflicts): Likewise.
330 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
332 * alpha.c (alpha_expand_block_move): mode_for_size expects
333 bits, not bytes. Infer extra alignment from addressof.
335 1998-12-11 Michael Meissner <meissner@cygnus.com>
337 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
338 .sbss section, not .sdata.
340 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
342 * cccp.c: Do not #include <sys/stat.h> here; this is already done
344 * collect2.c: Likewise.
345 * cpplib.h: Likewise.
348 * getpwd.c: Likewise.
349 * protoize.c: Likewise.
350 * toplev.c: Likewise.
352 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
353 and don't try to define it here.
354 * Makefile.in (cppmain.o): Depend on machmode.h.
355 (cpplib.o): Likewise.
356 (cpperror.o): Likewise.
357 (cppexp.o): Likewise.
358 (cppfiles.o): Likewise.
359 (cpphash.o): Likewise.
360 (cppalloc.o): Likewise.
361 (fix-header.o): Likewise.
362 (scan-decls.o): Likewise.
364 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
366 * sh.c (print_operand): lookup interrupt_handler attribute instead
367 of relying on static variable.
368 * (calc_live_regs): Likewise.
369 * (sh_pragma_insert_attributes): Create interrupt_handler
370 attribute if a pragma was specified
371 * (sh_valid_machine_decl_attribute): Don't set static flag.
372 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
374 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
376 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
377 to determine if a register is live at a jump destination.
378 Everything is dead at a BARRIER.
380 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
382 * cse.c (simplify_unary_operation): Sign-extend constants when
383 they have the most significant bit set for the target.
384 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
386 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
387 HOST_WIDE_INT temporary before negating it.
388 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
390 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
392 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
395 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
397 * collect2.h: New header file for prototypes.
399 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
401 * collect2.c: Include collect2.h.
404 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
406 * flow.c: Update some comments.
408 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
410 * objc/objc-act.c (cpp_initialized): Removed.
411 (lang_init_options): Initialize cpplib.
412 (lang_decode_option): Move initialization of cpplib to
414 * c-lang.c: (parse_options,parse_in): Added.
415 (lang_init_options): Initialized cpplib here.
416 * c-decl.c (parse_options,cpp_initialized): Removed.
417 (c_decode_option): Move initialization of cpplib to
420 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
422 * reload1.c (reload_combine, reload_combine_note_store):
423 Make STORE_RUID always valid.
424 (reload_combine): Check if BASE is clobbered too early.
426 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
428 * reload.c (find_reloads): Display the insn that cannot be
431 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
433 * cccp.c (create_definition): Fix end of bufer logic.
435 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
437 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
438 pointer parameters changed to use the PARAMS() macro.
440 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
442 * except.h (struct handler_info): Add handler_number field.
443 * except.c (gen_exception_label): EH labels no longer need to be
444 on the permanent obstack.
445 (get_new_handler): Set the label number field.
446 (output_exception_table_entry): Regenerate handler label reference
447 from the label number field.
448 (init_eh): Remove a blank line.
449 * integrate.c (get_label_from_map): Labels no longer need to be
450 on the permanent obstack.
452 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
454 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
455 only when OUTER_CODE is SET.
457 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
459 * loop.c (strength_reduce): If scan_start points to the loop exit
460 test, be wary of subversive use of gotos inside expression statements.
461 Don't set maybe_multiple for a backward jump that does not
462 include the label under consideration into its range.
463 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
465 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
467 * explow.c (plus_constant_wide): Don't immediately return with
468 result of recursive call.
470 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
472 * eh-common.h (struct eh_context): Add table_index for rethrows.
474 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
475 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
476 processed when inlined or unrolled (ie duplicated in some way).
478 * rtl.c (reg_note_name): Add strings for new reg_note enums.
480 * expr.h (rethrow_libfunc): New library decl.
482 * optabs.c (rethrow_libfunc): Initialize.
484 * except.h (struct eh_entry): Add new field 'rethrow_label'.
485 (new_eh_region_entry): No longer exported from except.c.
486 (duplicate_handlers): Renamed to duplicate_eh_handlers and
488 (rethrow_symbol_map, rethrow_used): New exported functions.
489 (eh_region_from_symbol): New exported function.
491 * except.c (create_rethrow_ref): New function to create a single
492 SYMBOL_REF for a rethrow region.
493 (push_eh_entry): Initialize a rethrow ref.
494 (func_eh_entry): Add a rethrow_label field.
495 (new_eh_region_entry): Make static, and initialize the rethrow entry.
496 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
497 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
498 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
499 a region into an appropriate new symbol.
500 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
501 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
502 (end_catch_handler): Emit a barrier for new-exceptions since
503 control can never drop through the end of a catch block.
504 (expand_end_all_catch): new-exceptions never fall through a catch
506 (expand_rethrow): use __rethrow routine for new exceptions.
507 (output_exception_table_entry): Generate rethrow labels, if needed.
508 (output_exception_table): Generate start and end rethrow labels.
509 (init_eh): Create rethrow symbols for beginning and end of table.
510 (scan_region): Don't eliminate EH regions which are the targets of
513 * flow.c (make_edges): Add different edges for rethrow calls,
514 identified by having the REG_EH_RETHROW reg label.
515 (delete_unreachable_blocks): Don't delete regions markers which are
516 the target of a rethrow.
518 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
519 allow save_for_inline_copying to call duplicate_eh_handlers.
520 (save_for_inline_copying): Call duplicate_eh_handlers instead of
521 exposing internal details of exception regions.
522 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
523 (expand_inline_function_eh_labelmap): New callback routine to
524 allow expand_inline_function to call duplicate_eh_handlers.
525 (expand_inline_function): Call duplicate_eh_handlers instead of
526 exposing internal details of exception regions.
527 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
530 * libgcc2.c (find_exception_handler): Generalize to enable it to
531 pick up processing where it left off last time for a rethrow.
532 (__unwinding_cleanup): New function. debug hook which is called before
533 unwinding when __throw finds there is nothing but cleanups left.
534 (throw_helper): Common parts of __throw extracted out for reuse.
535 (__throw): Common parts moved to throw_helper.
536 (__rethrow): New function for performing rethrows.
538 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
540 * reload1.c (current_function_decl): Tweak declaration.
542 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
544 * c-decl.c (flag_isoc9x): Default off.
545 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
546 * cccp.c (print_help, main): Likewise.
547 * gcc.c (default_compilers): Update for -std=gnu*.
549 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
551 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
552 * demangle.h: Deleted.
554 * reload1.c (current_function_decl): Declare.
556 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
558 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
560 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
562 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
564 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
566 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
568 * configure: Rebuilt.
569 * system.h: If the *_unlocked functions are available use them
570 instead of the locked counterparts by defining macros.
571 * config.in: Regenerated.
573 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
575 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
576 wrong and should only be used for dump related things, not
577 debugging information, instead main_input_filename should be used.
578 Also, reuse output_file_directive if possible.
579 * i386/aix386ng.h (ASM_FILE_START): Likewise.
580 * i386/isc.h (ASM_FILE_START): Likewise.
581 * i386/win-nt.h (ASM_FILE_START): Likewise.
582 * i386/sun386.h (ASM_FILE_START): Likewise.
584 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
586 * configure.in (mips*-*-linux*): Handle big and little endian
588 * configure: Rebuilt.
590 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
592 * emit-rtl.c: Fix typo.
594 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
596 * reload1.c (eliminate_regs): Don't do anything, if we're not
599 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
601 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
603 * mips/mips.c (mips_select_section): Add comment.
605 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
607 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
608 characters in file names in #line to be consistent with #include
609 handling. We support escape prcessing in the # 1 "..." version of
610 the command. See also support in cp/lex.c.
611 (handle_directive): Likewise.
614 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
616 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
617 so it'll work on non-ASCII platforms. Always consider $ an
618 identifier character. Take no arguments.
619 (cpp_reader_init): Call initialize_char_syntax with no
621 (cpp_start_read): Don't call initialize_char_syntax again.
622 Clear is_idchar['$'] and is_idstart['$'] if not
623 opts->dollars_in_ident.
625 * cpplib.h (struct cpp_reader): Replace void *data element by
626 cpp_options *opts. Rearrange elements to make gdb printout
627 less annoying (put buffer stack at end).
628 (CPP_OPTIONS): Get rid of now-unnecessary cast.
630 * cppmain.c: s/data/opts/ when initializing cpp_reader
632 * c-decl.c: Likewise.
633 * objc/objc-act.c: Likewise.
634 * fix-header.c: Likewise.
636 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
638 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
639 with a struct file_name_list pointer.
640 (struct cpp_reader): Add pointer to chain of `actual
641 directory' include searchpath entries.
642 (struct file_name_list): Add *alloc pointer for the sake of
643 the actual-directory chain.
645 Move definition of HOST_WIDE_INT here.
646 (cpp_parse_escape): Change prototype to match changes in
649 * cppfiles.c (actual_directory): New function.
650 (finclude): Use it to initialize the buffer's actual_dir
652 (find_include_file): We don't need to fix up max_include_len
655 * cpplib.c (do_include): Don't allocate a file_name_list on
656 the fly for current directory "" includes, use the one that's
657 been preallocated in pfile->buffer->actual_dir. Hoist out
658 duplicate code from the search_start selection logic.
659 (cpp_reader_init): Initialize pfile->actual_dirs.
661 Remove definition of HOST_WIDE_INT. Change calls
662 to cpp_parse_escape to match changes in cppexp.c (note
663 hardcoded MASK, which is safe since this is the source
666 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
667 to handle wide character constants in #if directives. The
668 function now returns a HOST_WIDE_INT, and takes a third
669 argument which is a binary mask for all legal values (0x00ff
670 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
671 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
672 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
674 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
676 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
678 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
680 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
681 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
682 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
684 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
686 * final.c (output_asm_name): Use tabs to seperate comments from
689 Include instruction lengths (if defined) in output.
691 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
693 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
694 in the loop_info structure.
696 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
698 * configure.in: (arm*-*-ecos-elf): New target.
699 * configure: Regenerated.
700 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
701 * config/arm/ecos-elf.h: New file.
702 * config/arm/unknown-elf.h (TARGET_VERSION): Check
705 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
707 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
709 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
711 * version.c: Bump for snapshot.
713 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
715 * loop.c (check_dbra_loop): New argument loop_info. Update fields
718 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
720 * version.c: Bump for snapshot.
722 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
724 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
725 compressed reports are ok and preferred over URLs
727 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
729 * invoke.texi (Warning Options): Soften the tone of -pedantic
731 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
733 * print-rtl.c (print_rtx): Add prototype.
735 * unroll.c (iteration_info): Make it static.
737 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
739 * alias.c (memrefs_conflict_p): A second ANDed address
740 disables the aligned address optimization.
742 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
744 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
747 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
749 * i960.h (BOOL_TYPE_SIZE): Define.
751 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
753 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
754 from old valid_parallel_operands_4.
755 (valid_parallel_operands_4): Check that operands for 4 operand
756 parallel insns are valid, excluding load/store insns.
757 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
758 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
759 valid_parallel_load_store instead of valid_parallel_operands_4.
760 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
761 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
762 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
763 *notqi_movqi_clobber): Use valid_parallel_operands_4.
764 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
765 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
766 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
768 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
770 * config/c4x/c4x.c (iteration_info): Delete extern.
772 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
774 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
776 * final.c (cleanup_subreg_operands): Delete some unused code.
778 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
779 (struct insn_alternative): New structure definition.
780 (recog_op_alt): Declare variable.
781 (preprocess_constraints): Declare function.
782 * recog.c (recog_op_alt): New variable.
783 (extract_insn): Verify number of alternatives is in range.
784 (preprocess_constraints): New function.
785 * reg-stack.c: Include recog.h.
786 (constrain_asm_operands): Delete.
787 (get_asm_operand_lengths): Delete.
788 (get_asm_operand_n_inputs): New function.
789 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
790 N_OUTPUTS args. All callers changed.
791 Compute number of inputs and outputs here by calling
792 get_asm_operand_n_inputs.
793 Instead of constrain_asm_operands, call extract_insn,
794 constrain_operands and preprocess_constaints. Use information
795 computed by these functions throughout.
796 (record_reg_life): Delete code that is unused due to changes in
798 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
799 N_INPUTS and N_OUTPUTS args. All callers changed.
800 Similar changes as in record_asm_reg_life.
801 (subst_stack_regs): Move n_operands declaration into the if statement
803 Delete code that is unused due to changes in subst_asm_stack_regs.
804 * stmt.c (expand_asm_operands): Verify number of alternatives is in
806 * Makefile.in (reg-stack.o): Depend on recog.h.
808 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
810 * except.c (set_exception_version_code): Argument is an "int".
812 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
814 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
815 * configure: Rebuilt.
817 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
819 * configure.in (mipsel-*-linux*): New target.
820 * mips/linux.h: New file, based on other Linux targets.
822 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
824 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
825 runs in the context of the deleter, not the deletee, so we must
826 use taskVarGet to find the correct memory to free.
827 (__gthread_key_create): Initialize the task
828 variable subsystem so that the task variable is still active when
829 the delete hook is run.
831 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
833 * pdp11.h: Use optimize_size for space optimizations.
835 * pdp11.md: Likewise.
837 * pdp11.h (TARGET_40_PLUS): Fix typo.
839 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
841 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
844 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
846 * alias.c (addr_side_effect_eval): New function.
847 (memrefs_conflict_p): Use it.
848 * rtl.h (addr_side_effect_eval): Prototype it.
850 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
852 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
854 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
856 * reload.c (find_reloads): When force const to memory, put result
857 in substed_operand not *recog_operand_loc.
859 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
861 * c-lex.c: Fix indentation from last patch.
862 Remove trailing whitespace.
865 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
867 * flow.c (delete_block): Call set_last_insn after we have reset
868 NEXT_INSN (kept_tail).
870 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
872 * mips.md (trap_if): Use "$0" for the value zero.
874 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
875 Stephen L Moshier <moshier@world.std.com>
876 Richard Henderson <rth@cygnus.com>
878 * c-common.c (declare_function_name): Declare predefinied variable
881 * c-decl.c (flag_isoc9x): Set to 1 by default.
882 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
883 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
885 * c-parse.in: Allow constructors in ISO C 9x.
886 Rewrite designator list handling.
887 Allow [*] parameters.
888 Don't warn about comma at end of enum definition for ISO C 9x.
890 * cccp.c (c9x): New variable.
891 (rest_extension): New variable.
892 (print_help): Document new -std= option.
893 (main): Recognize -std= option. Set c9x appropriately.
894 (create_definition): Recognize ISO C 9x vararg macros.
896 * gcc.c (default_compilers): Adjust specs for -std options.
897 (option_map): Add --std.
898 (display_help): Document -std.
900 * toplev.c (documented_lang_options): Add -std and remove
903 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
904 or REAL_VALUE_HTOF based on base of the constants.
905 * fold-const.c (real_hex_to_f): New function. Replacement function
906 for hex FP conversion if REAL_ARITHMETIC is not defined.
907 * real.c (asctoeg): Add handling of hex FP constants.
908 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
911 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
913 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
914 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
915 expansion. Use hi/lo as destination register.
917 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
918 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
919 Avoid as macro expansion. Use hi/lo as destination register.
921 * mips.h (MASK_CHECK_RANGE_DIV): New.
922 (MASK_NO_CHECK_ZERO_DIV): New.
923 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
924 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
925 return address for leaf functions out of r31 to support
926 builtin_return_address.
928 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
930 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
931 NEXT_INSN(x) to check insn x.
933 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
935 * flow.c (delete_block): Call set_last_insn if we end up deleting the
936 last insn in the rtl chain.
938 * reload1.c (reload): Do not set reload_completed or split insns
940 * toplev.c (rest_of_compilation): Set reload_completed after
941 reload returns. Split insns after reload_cse has run.
943 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
945 * final.c (final_scan_insn): Abort if block_depth falls below 0.
947 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
949 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
951 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
953 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
954 use of user-label_prefix.
956 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
958 * reload1.c (emit_reload_insns): Clear spill_reg_store
959 when doing a new non-inherited reload from the same pseudo.
961 * local-alloc.c (function_invariant_p): New function.
962 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
963 to decide if an equivalence should be recorded.
964 * reload1.c (num_eliminable_invariants): New static variable.
965 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
966 to decide if an equivalence should be recorded.
968 (calculate_needs_all_insns): Skip insns that only set an equivalence.
969 Take num_eliminable_invariants into account when deciding
970 if register elimination should be done.
971 (reload_as_needed): Take num_eliminable_invariants into account
972 when deciding if register elimination should be done.
973 (eliminate_regs): Handle non-constant reg_equiv_constant.
974 * rtl.h (function_invariant_p): Declare.
976 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
978 * version.c: Bump for snapshot.
980 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
982 * version.c: Bump for snapshot.
984 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
986 * except.c (add_new_handler): Complain about additional handlers
987 after one that catches everything.
989 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
991 * configure.in (alpha*-*-netbsd): Fix typo.
992 * configure: Rebuilt.
994 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
996 * system.h: Include libiberty.h.
998 * c-aux-info.c: Remove prototypes for concat/concat3. Change
999 function `concat' from fixed parameters to variable parameters,
1000 as is done in libiberty. All callers of concat/concat3
1001 changed to use the new `concat' with variable args.
1003 * cccp.c: Remove things made redundant by libiberty.h and/or
1004 conform to libiberty standards.
1006 * collect2.c: Likewise.
1007 * config/1750a/1750a.h: Likewise.
1008 * cppalloc.c: Likewise.
1009 * cppexp.c: Likewise.
1010 * cppfiles.c: Likewise.
1011 * cpphash.c: Likewise.
1012 * cpplib.c: Likewise.
1013 * dyn-string.c: Likewise.
1014 * fix-header.c: Likewise.
1017 * genattr.c: Likewise.
1018 * genattrtab.c: Likewise.
1019 * gencheck.c: Likewise.
1020 * gencodes.c: Likewise.
1021 * genconfig.c: Likewise.
1022 * genemit.c: Likewise.
1023 * genextract.c: Likewise.
1024 * genflags.c: Likewise.
1025 * gengenrtl.c: Likewise.
1026 * genopinit.c: Likewise.
1027 * genoutput.c: Likewise.
1028 * genpeep.c: Likewise.
1029 * genrecog.c: Likewise.
1030 * getpwd.c: Likewise.
1031 * halfpic.c: Likewise.
1033 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
1034 in NEED_DECLARATION_* macros.
1036 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
1037 conform to libiberty standards.
1038 (fatal): Fix const-ification of variable `format' in
1039 !ANSI_PROTOTYPES case.
1041 * prefix.c: Remove things made redundant by libiberty.h and/or
1042 conform to libiberty standards.
1044 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
1045 conflicting with function `spaces' from libiberty.
1047 * profile.c: Remove things made redundant by libiberty.h and/or
1048 conform to libiberty standards.
1049 * protoize.c: Likewise.
1052 * tlink.c: Likewise.
1053 * toplev.c: Likewise.
1054 * toplev.h: Likewise.
1057 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1059 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
1061 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1063 * README.C4X: Updated URLs.
1064 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
1065 (valid_parallel_operands_5): Remove unused variable.
1067 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1069 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
1071 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
1073 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
1074 which can be configured.
1075 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
1076 (Makefile): Pass actual LANGUAGES through the environment when
1078 (cstamp-h): Likewise.
1079 (config.status): Likewise.
1081 * configure.in (enable_languages): Add new configuration parameter
1082 "--enable-languages=lang1,lang2,...".
1083 (${srcdir}/*/config-lang.in): Change handling to configure only
1084 those directories, that the user might have enabled; default to
1085 "all" existing languages.
1086 * configure: Regenerate.
1088 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
1090 * rtlanal.c (regs_set_between_p): New function.
1091 * rtl.h (regs_set_between_p): Prototype it.
1092 * jump.c (jump_optimize): Use it instead of modified_between_p
1093 in the Sep 2 change.
1095 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
1096 Matthias Pfaller <leo@dachau.marco.de>
1098 * invoke.texi (Option Summary, NS32K Options): add description
1099 of NS32K specific options.
1101 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
1102 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
1103 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
1104 negdf2, absdf2): Use l instead of f since the double class and
1105 float class are no longer the same.
1106 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
1107 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
1108 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
1109 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
1111 (cmpsi, cmphi, cmpqi): use general_operand instead of
1112 non_immediate_operand. Removes erroneous assumption that can't
1114 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
1115 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
1117 (movstrsi, movstrsi1, movstrsi2): completely new block move
1119 (...): Patterns to exploit multiply-add instructions.
1120 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
1121 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
1122 patterns to exploit extended divide insns.
1123 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
1126 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
1127 float return values as well as simple scalar floats.
1128 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
1129 support new flag to denote 32381 fpu.
1130 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
1131 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
1133 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1134 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
1135 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
1136 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
1137 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
1138 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
1139 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
1140 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
1141 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
1142 fpu registers and special register classes for new 32381
1143 instructions dotf and polyf.
1144 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
1146 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
1147 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
1149 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
1150 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
1151 (REGISTER_MOVE_COST): move code to register_move_cost function for
1152 ease of coding and debugging.
1153 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
1154 LONG_FLOAT_REGO is likely spilled but not caught by default
1156 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
1157 instead of hard coded numbers in range check.
1158 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
1159 (...): Add prototypes for functions in ns32k.c but disable because
1160 of problems when ns32k.h is included in machine independant files.
1162 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
1163 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
1164 hard_regno_mode_ok, secondary_reload_class,
1165 print_operand, print_operand_address): new register scheme to
1166 include 32381 fpu registers and special register classes for new
1167 32381 instructions dotf and polyf.
1168 (gen_indexed_expr): Make static to keep namespace clean.
1169 (check_reg): remove since never called.
1170 (move_tail, expand_block_move): helper functions for "movstrsi"
1172 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
1173 Increase cost of moves which go via memory.
1174 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
1175 (CPP_PREDEFINES): nolonger predefine "unix".
1177 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
1178 Remove erroneous %$. print_operand() can work out from the rtx is
1179 an immediate prefix is required.
1181 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
1182 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
1183 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
1185 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
1188 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
1189 Correct handling of pic operands.
1190 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
1191 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
1192 -mrtd calling convention.
1194 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
1196 * gcc.c (option_map): Recognize --output-class-directory.
1198 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1200 * loop.h (precondition_loop_p): Added new mode argument.
1201 * unroll.c (precondition_loop_p): Likewise.
1202 (approx_final_value): Function deleted and subsumed
1203 into loop_iterations.
1204 (loop_find_equiv_value): New function.
1205 (loop_iterations): Use loop_find_equiv_value to find increments
1206 too large to be immediate constants. Also use it to find terms
1207 common to initial and final iteration values that can be removed.
1209 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1211 * loop.h (struct loop_info): Define new structure.
1212 (precondition_loop_p): Added prototype.
1213 (unroll_loop): Added new argument loop_info to prototype.
1214 (final_biv_value, final_giv_value): Added new argument n_iterations
1216 * loop.c (strength_reduce): Declare new structure loop_iteration_info
1217 and new pointer loop_info.
1218 (loop_n_iterations): Replace global variable by element in
1219 loop_info structure.
1220 (check_final_value): New argument n_iterations.
1221 (insert_bct): New argument loop_info.
1222 (loop_unroll_factor): Replace global array by element in
1223 loop_info structure.
1224 (loop_optimize): Remove code to allocate and initialise
1225 loop_unroll_factor_array.
1226 * unroll.c (precondition_loop_p): No longer static since
1227 used by branch on count optimization.
1228 (precondition_loop_p, unroll_loop): New argument loop_info.
1229 (final_biv_value, final_giv_value, find_splittable_regs): New
1230 argument n_iterations.
1231 (loop_iteration_var, loop_initial_value, loop_increment,
1232 loop_final_value, loop_comparison_code, loop_unroll_factor):
1233 Replaced global variables by loop_info structure.
1234 (loop_unroll_factor): Replace global array by element in
1235 loop_info structure.
1237 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1239 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
1242 * unroll.c (precondition_loop_p): Return loop_initial_value
1243 for initial_value instead of loop_iteration_var.
1245 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1247 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
1248 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
1249 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
1250 to output the instruction sequences.
1252 (rptb_top): Provide alternatives to use any register or memory
1254 (rptb_end): Emit use of operands rather than assigning them
1255 explicitly to the RS and RE registers.
1257 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1259 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
1260 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
1261 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
1262 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
1263 c4x_merge_notes, c4x_parallel_process,
1264 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
1265 c4x_combine_parallel): Delete.
1267 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1269 * config/c4x/c4x.c: (c4x_override_options): For compatibility
1270 with old target options clear flag_branch_on_count_reg if
1271 -mno-rptb specified and set flag_argument_alias is -mno-aliases
1273 (c4x_output_cbranch): Handle a sequence of insns rather than a
1275 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
1276 has not been allocated as the loop counter.
1277 (c4x_address_conflict): Do not allow two volatile memory references.
1278 (valid_parallel_operands_4, valid_parallel_operands_5,
1279 valid_parallel_operands_6): Reject pattern if the register destination
1280 of the first set is used as part of an address in the second set.
1282 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1284 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
1285 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
1286 is no longer enabled if PARALLEL_MPY_FLAG set.
1287 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
1288 (REG_CLASS_CONTENTS): Add braces around initializers.
1289 (HAVE_MULTIPLE_PACK): Define.
1290 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
1291 REAL_VALUE_TO_DECIMAL.
1292 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
1293 REAL_VALUE_TO_DECIMAL.
1294 (ar0_reg_operand): Add prototype.
1295 (ar0_mem_operand): Likewise.
1296 (ar1_reg_operand): Likewise.
1297 (ar1_mem_operand): Likewise.
1298 (ar2_reg_operand): Likewise.
1299 (ar2_mem_operand): Likewise.
1300 (ar3_reg_operand): Likewise.
1301 (ar3_mem_operand): Likewise.
1302 (ar4_reg_operand): Likewise.
1303 (ar4_mem_operand): Likewise.
1304 (ar5_reg_operand): Likewise.
1305 (ar5_mem_operand): Likewise.
1306 (ar6_reg_operand): Likewise.
1307 (ar6_mem_operand): Likewise.
1308 (ar7_reg_operand): Likewise.
1309 (ar7_mem_operand): Likewise.
1310 (ir0_reg_operand): Likewise.
1311 (ir0_mem_operand): Likewise.
1312 (ir1_reg_operand): Likewise.
1313 (ir1_mem_operand): Likewise.
1314 (group1_reg_operand): Likewise.
1315 (group1_mem_operand): Likewise.
1316 (ir1_reg_operand): Likewise.
1317 (arx_reg_operand): Likewise.
1318 (not_rc_reg): Likewise.
1319 (not_modify_reg): Likewise.
1320 (c4x_group1_reg_operand): Remove prototype.
1321 (c4x_group1_mem_operand): Likewise.
1322 (c4x_arx_reg_operand): Likewise.
1324 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
1326 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
1327 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
1329 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1331 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
1334 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1336 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
1337 unless FMOVD_WORKS is defined.
1339 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1341 * regclass.c (init_reg_sets): Move code that calculates tables
1342 dependent on reg_class_contents from here...
1343 (init_reg_sets_1): To here.
1345 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1347 * cpplib.h: Delete struct import_file. Add ihash element to
1348 struct cpp_buffer. Delete dont_repeat_files and
1349 import_hash_table elements from cpp_reader; change
1350 all_include_files to a hash table. Delete all foobar_include
1351 / last_foobar_include elements from struct cpp_options; put
1352 back four such: quote_include, bracket_include,
1353 system_include, after_include. Redo struct file_name_list
1354 completely. Add new structure type include_hash. Add
1355 prototypes for merge_include_chains and include_hash. Change
1356 prototypes for finclude, find_include_file, and
1357 append_include_chain to match changes below.
1359 * cppfiles.c (simplify_pathname, include_hash,
1360 remap_filename, merge_include_chains): New functions.
1361 (add_import, lookup_import, open_include_file): Removed.
1362 (INO_T_EQ): Define this (copied from cccp.c).
1363 (hack_vms_include_specification): Remove all calls and #if 0
1364 out the definition. It was being called incorrectly and at
1365 the wrong times. Until a VMSie can look at this, it's better
1366 to not pretend to support it.
1367 (append_include_chain): Change calling convention; now takes
1368 only one directory at a time, and sets up the data structure
1370 (redundant_include_p): Rewritten - this is now used for all
1371 include redundancy, whether by #ifndef, #import, or #pragma
1372 once. Looks up things in the include hash table.
1373 (file_cleanup): Decrement pfile->system_include_depth here if
1375 (find_include_file): Calling convention changed; now passes
1376 around a struct include_hash instead of 3 separate parameters.
1377 Guts ripped out and replaced with new include_hash mechanism.
1378 (finclude): Calling convention changed as for
1379 find_include_file. Error exits pulled out-of-line. Reformat.
1380 (safe_read): Return a long, not an int.
1381 (deps_output): Don't recurse.
1383 * cpplib.c (is_system_include): Deleted.
1384 (path_include): Fix up call to append_include_chain.
1385 (do_include): Fix up calls to find_include_file and finclude.
1386 Clean up dependency output a bit. Shorten obnoxiously lengthy
1387 #import warning message. Don't decrement
1388 pfile->system_include_depth here.
1389 (do_pragma): Understand the include_hash structure. Reformat.
1390 (do_endif): Correct handling of control macros. Understand
1392 (cpp_start_read): Fix up calls to finclude. Call
1393 merge_include_chains.
1394 (cpp_handle_option): Fix up calls to append_include_chain.
1395 Understand the four partial include chains.
1396 (cpp_finish): Add debugging code (#if 0-ed out) for the
1398 (cpp_cleanup): Free the include_hash, not the import hash and
1399 the all_include and dont_repeat lists which no longer exist.
1401 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
1403 * toplev.c (no_new_pseudos): Define.
1404 (rest_of_compilation): Set no_new_pseudos as needed.
1405 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
1406 if no_new_pseudos is set.
1407 * rtl.h (no_new_pseudos): Declare it.
1408 * reload1.c (reload): Update comments.
1409 * md.texi: Corresponding changes.
1411 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1413 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
1414 (choose_reload_regs): Rename it here as well. When computing it,
1415 also merge in used hardregs.
1417 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1419 * gcc.c: Split out Objective-C specs to...
1420 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
1423 * c-lex.c (init_parse): Always initialize the filename global.
1424 * objc/objc-act.c (lang_init): Always call check_newline at
1427 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
1429 * reload1.c (reload): Remove unused variable.
1430 (reload_reg_free_for_value_p): Add missing parameter definition.
1432 * jump.c (jump_optimize): Remove unused variable.
1434 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
1436 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
1438 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
1440 * expr.c (move_by_pieces): Similarly.
1441 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
1442 * flow.c (find_auto_inc): Similarly.
1443 (try_pre_increment): Similarly.
1444 * loop.c (strength_reduce): Similarly.
1445 * regclass.c (auto_inc_dec_reg_p): Similarly.
1446 * regmove.c (try_auto_increment): Similarly.
1447 (fixup_match_1): Similarly.
1448 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
1449 (HAVE_PRE_DECREMENT): Similarly.
1450 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
1451 * Corresponding changes to all target header files.
1452 * tm.texi: Update docs for autoinc addressing modes.
1454 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
1456 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
1457 * configure: Rebuild.
1458 * config/elfos.h: New file.
1459 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
1460 config/m68k/t-m68kelf: New file.
1462 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
1464 * Makefile.in (HOST_AR): Define.
1465 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
1466 (libcpp.a): Use the host tools explicitly.
1467 (STAGESTUFF): Add libcpp.a.
1469 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
1471 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
1472 to source and destination registers.
1474 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
1476 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
1477 The strategy we now use is to pre allocate the top_elt along
1478 with the EH context so that each thread has its own top_elt.
1479 This is necessary as the dynmanic cleanup chain is used on the
1480 top element of the stack and each thread MUST have its own.
1481 (eh_context_static): Likewise.
1482 (new_eh_context): Likewise.
1483 (__sjthrow): Likewise.
1485 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
1487 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
1488 * i386.md (prologue_get_pc): Remove unused variable.
1490 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
1492 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
1494 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
1496 * Makefile.in (OBJS): Add graph.o
1497 (graph.o): New dependency list.
1498 * flags.h: Declare dump_for_graph and define graph_dump_types type.
1499 * print-rtl.c (dump_for_graph): Define new variable.
1500 (print_rtx): Rewrite to allow use in graph dumping functions.
1501 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
1502 finish_graph_dump_file.
1503 Define graph_dump_format.
1504 (compile_file): If graph dumping is enabled also clear these files.
1505 Finish graph dump files.
1506 (rest_of_compilation): Also dump graph information if enabled.
1507 (main): Recognize -dv to enabled VCG based graph dumping.
1508 * graph.c: New file. Graph dumping functions.
1510 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
1512 * configure.in: Look for <sys/stat.h>.
1513 * system.h: Include it before substitute S_ISREG definitions.
1515 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
1517 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
1518 * config/mips/iris6.h: Same.
1519 * config/mips/mips.md: Same.
1520 * config/mips/mips.c: Same; also add "-mabi=o64" option.
1521 * config/mips/mips.h: Same; also define ABI_O64.
1523 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1525 * configure.in: Use AC_PREREQ(2.12.1).
1527 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
1529 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
1530 * cpplib.c, gcc.c: Likewise.
1531 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
1533 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
1535 * local-alloc.c (local_alloc): Use malloc not alloca for
1536 reg_qty, reg_offset, ref_next_in_qty.
1538 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1540 * caller-save.c (insert_one_insn): Initialize the live_before and
1541 live_after register sets.
1545 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
1546 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
1547 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
1548 (fp_reg_names, assembler_dialect): New variables.
1549 (print_operand_address): Handle SUBREGs.
1550 (print_operand): Added 'o' case.
1551 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
1552 Name of FP registers depends on mode.
1553 (expand_block_move): Emit different code for SH4 hardware.
1554 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
1555 (from_compare): Likewise.
1556 (add_constant): New argument last_value. Changed all callers.
1557 (find_barrier): Don't try HImode load for FPUL_REG.
1558 (machine_dependent_reorg): Likewise.
1559 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
1560 (gen_far_branch): Emit a barrier after the new jump.
1561 (barrier_align): Don't trust instruction lengths before
1563 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
1564 Use auto-inc addressing for fp registers if doubles need to
1565 be loaded in two steps.
1566 Set sh_flag_remove_dead_before_cse.
1567 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
1568 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
1569 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
1570 Support for FIRST_XD_REG .. LAST_XD_REG.
1571 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
1572 (sh_expand_epilogue): Likewise.
1573 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
1574 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
1575 (arith_reg_operand): FPUL_REG is OK for SH4.
1576 (fp_arith_reg_operand, fp_extended_operand) New functions.
1577 (tertiary_reload_operand, fpscr_operand): Likewise.
1578 (commutative_float_operator, noncommutative_float_operator): Likewise.
1579 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
1580 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
1581 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
1582 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
1583 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
1584 (CONDITIONAL_REGISTER_USAGE): Likewise.
1585 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
1586 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
1587 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
1588 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
1589 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
1590 to -1 and sh_flag_remove_dead_before_cse to 1.
1591 (ASSEMBLER_DIALECT): Define to assembler_dialect.
1592 (assembler_dialect, fp_reg_names): Declare.
1593 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
1594 Hide names of registers that are not accessible.
1595 (CACHE_LOG): Take TARGET_CACHE32 into account.
1596 (LOOP_ALIGN): Take TARGET_HARWARD into account.
1597 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
1598 (FIRST_PSEUDO_REGISTER: Now 49.
1599 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
1600 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
1601 (HARD_REGNO_MODE_OK): Update.
1602 (enum reg_class): Add DF_REGS and FPSCR_REGS.
1603 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
1604 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
1605 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
1606 (NPARM_REGS): Eight floating point parameter registers on SH4.
1607 (BASE_RETURN_VALUE_REG): SH4 also passes double values
1608 in floating point registers.
1609 (GET_SH_ARG_CLASS) Likewise.
1610 Complex float types are also returned in float registers.
1611 (BASE_ARG_REG): Complex float types are also passes in float registers.
1612 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
1613 (LIBCALL_VALUE): Remove trailing semicolon.
1614 (ROUND_REG): Round when double precision value is passed in floating
1616 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
1617 passed on the stack.
1618 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
1619 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
1620 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
1621 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
1622 (MODE_DISP_OK_8): Not for SH4 DFmode.
1623 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
1624 Allow indexed addressing for PSImode after reload.
1625 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
1626 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
1627 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
1628 (DOUBLE_TYPE_SIZE): 64 for SH4.
1629 (RTX_COSTS): Add PLUS case.
1630 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
1631 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
1632 MAC_REGS, PR_REGS, DF_REGS.
1633 (REGISTER_NAMES): Use fp_reg_names.
1634 (enum processor_type): Add PROCESSOR_SH4.
1635 (sh_flag_remove_dead_before_cse): Declare.
1636 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
1637 (PREDICATE_CODES): Add binary_float_operator,
1638 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
1639 fpscr_operand, noncommutative_float_operator.
1640 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
1641 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
1642 * sh.md (attribute cpu): Add value sh4.
1643 (attrbutes fmovd, issues): Define.
1644 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
1645 (function units memory, int, mpy, fp): Make dependent on issue rate.
1646 (function units issue, single_issue, load_si, load): Define.
1647 (function units load_store, fdiv, gp_fpul): Define.
1648 (attribute hit_stack): Provide proper default.
1649 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
1650 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
1651 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
1652 (mulsi3_call): Now uses match_operand for function address.
1653 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
1655 (push, pop, push_e, pop_e): Now define_expands.
1656 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
1657 (movsi_ie): Added y/i alternative.
1658 (ic_invalidate_line_i, movdf_i4): New insns.
1659 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
1660 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
1661 (movdf): Add special code for SH4.
1662 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
1663 (call_valuei, calli, call_value): Likewise.
1664 (movsf): Emit no-op move.
1665 (mov_nop, movsi_y): New insns.
1666 (blt, sge): generalize to handle DFmode.
1667 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
1668 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
1669 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
1670 (fpu_switch0, fpu_switch1, movpsi): New expanders.
1671 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
1672 (toggle_sz): New insn.
1673 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
1674 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
1675 (macsf3): Make use of fpscr visible. Disable for SH4.
1676 (floatsisf2): Make use of fpscr visible.
1677 (floatsisf2_i4): New insn.
1678 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
1679 (ieee_ccmpeqsf_t): Likewise.
1680 (fix_truncsfsi2): Emit different code for SH4.
1681 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
1682 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
1683 (negsf2, sqrtsf2, abssf2): Now expanders.
1684 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
1685 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
1686 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
1687 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
1688 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
1689 (fix_truncdfsi2_i4_2+1): New splitters.
1690 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
1691 (extendsfdf2, truncdfsf2): New expanders.
1692 (truncdfsf2_i4): New insn.
1693 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
1694 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
1695 * float-sh.h: When testing for __SH3E__, also test for
1696 __SH4_SINGLE_ONLY__ .
1697 * va-sh.h (__va_freg): Define to float.
1698 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
1699 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
1700 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
1701 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
1703 (TARGET_SH4_P): Define.
1706 * sh.md (movdf_k, movsf_i): Tweak the condition so that
1707 init_expr_once is satisfied about the existence of load / store insns.
1709 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
1710 change m constraint in source operand to mr / mf .
1712 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
1714 * (__VA_REEF): Define.
1715 (__va_arg_sh1): Use it.
1717 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
1719 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
1721 * i386/dgux.c (struct option): Add new "description field".
1722 * m88k/m88k.c (struct option): Likewise.
1724 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
1726 * version.c: Bump for snapshot.
1728 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1730 * regmove.c (regmove_profitable_p): Use return value of find_matches
1733 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
1735 * version.c: Bump for snapshot.
1737 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
1739 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
1740 without reload having been called earlier.
1742 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
1744 (v850_reorg): Similarly.
1746 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
1748 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1750 * loop.c (move_movables): Start of libcall might be new loop start.
1752 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1754 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
1756 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1758 * function.c (nonlocal_goto_handler_slots): Renamed from
1759 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
1760 (push_function_context_to): Adjust for this change.
1761 (pop_function_context_from): Likewise.
1762 (init_function_start): Likewise.
1763 (expand_function_end): Likewise.
1764 * function.h (struct function): Likewise.
1765 * calls.c (expand_call): Likewise.
1766 * explow.c (allocate_dynamic_stack_space): Likewise.
1767 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
1768 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
1770 (expand_goto): When doing a nonlocal goto, find corresponding handler
1771 slot for it. Don't put the label address in the static chain register.
1772 (expand_end_bindings): Break out nonlocal goto handling code into
1773 three new functions.
1774 (expand_nl_handler_label, expand_nl_goto_receiver,
1775 expand_nl_goto_receivers): New static functions, broken out of
1776 expand_end_bindings and adapted to create one handler per nonlocal
1778 * function.c (delete_handlers): Delete insn if it references any of
1779 the nonlocal goto handler slots.
1780 * i960.md (nonlocal_goto): Comment out code that modifies
1782 * sparc.md (nonlocal_goto): Likewise.
1783 (goto_handler_and_restore_v9): Comment out.
1784 (goto_handler_and_restore_v9_sp64): Comment out.
1786 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1788 * expr.c (STACK_BYTES): Delete unused macro.
1789 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
1790 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1791 (expand_call): Likewise.
1792 (emit_library_call): Likewise.
1793 (emit_library_call_value): Likewise.
1794 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
1795 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1796 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
1797 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1798 (allocate_dynamic_stack_space): Likewise.
1799 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
1800 (STACK_BOUNDARY): Update description to reflect the new situation.
1802 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
1804 * reorg.c (relax_delay_slots): When optimizing for code size, if a
1805 return with a filled delay slot is followed by a return with an
1806 unfilled delay slot, delete the first return and reemit the insn
1807 that was previously in its delay slot.
1809 * i860.c (single_insn_src_p): Add missing parens.
1810 * ginclude/math-3300.h: Likewise.
1812 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
1814 * regclass.c (init_reg_sets_1): Add prototype.
1815 (init_reg_modes): Likewise.
1817 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
1819 * c-common.c: Change warning messages to say `comparison is
1820 always true' or `comparison is always false' instead of the
1821 confusing `is always 0', `is always 1'.
1823 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
1825 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
1826 break instead of return (which loses closing '>').
1828 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
1830 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
1831 standard 387 constants.
1833 * i386.md (jump): Explicitly set "memory" attribute.
1834 (indirect_jump, prologue_set_stack_ptr): Likewise.
1835 (prologue_get_pc_and_set_got, pop): Likewise.
1836 (allocate_stack_worder, blockage, return_internal): Likewise.
1837 (return_pop_internal, nop): Likewise.
1838 (epilogue_set_stack_ptr, leave): Likewise.
1840 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
1842 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
1844 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1846 * reload1.c (reload_reg_free_for_value_p):
1847 Early auto_inc reloads don't conflict with outputs.
1849 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1851 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
1852 Instead call AC_HEADER_SYS_WAIT.
1854 * collect2.c: Don't provide defaults for sys/wait.h macros.
1856 * protoize.c: Likewise. Also, don't include sys/wait.h.
1858 * system.h: Include sys/wait.h and provide macro defaults.
1860 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1862 * Makefile.in (mandir): Set to @mandir@.
1863 (man1dir): New variable to hold the former value of $(mandir).
1864 Replace all uses of $(mandir) by $(man1dir).
1866 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
1868 * reload.c (find_reloads_address_part): If have a CONST_INT, create
1869 a new one before passing it to force_const_mem.
1871 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
1872 find_reloads_address call.
1874 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1876 * expr.c (store_expr): Don't generate load-store pair
1877 if TEMP is identical (according to ==) with TARGET.
1879 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1881 * reload1.c (reload_reg_free_for_value_p): When considered reload
1882 has an output, matching inputs are not sufficient to avoid conflict.
1884 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
1886 * hash.h (hash_table_key): New type.
1887 (hash_entry): Change `string' field to generic `key'.
1888 (hash_table): Add `comp' and `hash' functions.
1889 (hash_table_init): Take them as input.
1890 (hash_table_init_n): Likewise.
1891 (hash_lookup): Modify for generic keys.
1892 (hash_newfunc): Likewise.
1893 (hash_traverse): Likewise.
1894 (string_hash): New function.
1895 (string_compare): Likewise.
1896 (string_copy): Likewise.
1897 * hash.c (hash_table_init_n): Modify for generic keys.
1898 (hash_table_init): Likewise.
1899 (hash_lookup): Likewise.
1900 (hash_newfunc): Likewise.
1901 (hash_traverse): Likewise.
1902 (string_hash): Split out from hash_lookup.
1903 (string_compare): New function.
1904 (string_copy): Split out from hash_lookup.
1905 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
1907 (symbol_hash_lookup): Likewise.
1908 (file_hash_newfunc): Likewise.
1909 (file_hash_lookup): Likewise.
1910 (demangled_hash_newfunc): Likewise.
1911 (demangled_hash_lookup): Likewise.
1912 (tlink_int): Likewise.
1913 (read_repo_file): Likewise.
1914 (recompile_files): Likewise.
1915 (demangle_new_symbols): Likewise.
1916 (scan_linker_output): Likewise.
1918 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1920 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
1922 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
1924 * rs6000.c (output_mi_thunk): Improve test for local branch.
1926 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1928 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
1930 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1932 * reload1.c (reload_reg_free_before_p): Delete.
1933 Changed all callers to use reload_reg_free_for_value_p instead.
1934 (reload_reg_free_for_value_p): Handle more reload types.
1935 A RELOAD_FOR_INPUT doesn't conflict with its
1936 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
1937 Add special case for OUT == const0_rtx.
1938 Added ignore_address_reloads argument. Changed all callers.
1940 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
1942 * toplev.c (compile_file): Don't pedwarn about undefined static
1943 functions just because we passed -Wunused.
1945 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1947 * function.c (purge_addressof_1): Unshare rtl created by
1950 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1952 * regmove.c (regmove_optimize): Don't do anything but
1953 optimize_reg_copy[123] when flag_regmove is not set.
1955 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
1957 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
1958 value in paradoxical SImode result, rather than truncating midpoint.
1960 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
1962 * alpha.c (reg_not_elim_operand): New.
1963 * alpha.h (PREDICATE_CODES): Add it.
1964 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
1965 for the multiplicand.
1967 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
1969 * rs6000.md (movsf): Remove explicit secondary-reload-like
1970 functionality. Only truncate SFmode store if in FPR.
1971 (movsf splitters): Combine const_double splitters.
1972 (movsf_hardfloat): Add GPR support.
1974 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
1976 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
1977 deprecate -mlive-g0 and -mbroken-saverestore.
1978 * t-splet (MULTILIB_OPTIONS): Likewise.
1980 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
1981 in a leaf function. Clarify total_size/extra_size relationship.
1983 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
1985 * i386/cygwin32.asm: Delete.
1986 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
1987 * i386/cygwin32.h: Delete.
1988 * i386/cygwin.h: New file, renamed from cygwin32.h.
1989 * i386/t-cygwin32: Delete.
1990 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
1991 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
1992 * i386/x-cygwin32: Delete.
1993 * i386/x-cygwin: New file, renamed from x-cygwin32.
1994 * i386/xm-cygwin32: Delete.
1995 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
1996 renamed cygwin_ funcs for path translations.
1997 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
1998 * i386/winnt.c: Remove "32" from comment about cygwin.
1999 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
2000 * rs6000/cygwin32.h: Delete.
2001 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
2002 -D__CYGWIN__ to CPP_PREDEFINES.
2003 * rs6000/x-cygwin32: Delete.
2004 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
2005 * rs6000/xm-cygwin32: Delete.
2006 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
2008 * configure.in: Check for cygwin* instead of cygwin32. Account
2009 for the rename of cygwin-related config files to lose the "32"s.
2010 * configure: Regenerate.
2012 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
2013 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
2015 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
2017 * Makefile.in (JAVAGC): New macro.
2018 * configure: Rebuilt.
2019 * configure.in: Recognize --enable-java-gc argument. Subst
2022 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2024 Handle equivalences that have been obscured by gcse:
2026 * reload1.c (reload): Handle equivalences set up in multiple places.
2027 * local-alloc.c (reg_equiv_init_insns): New variable.
2028 (no_equiv): New function.
2029 (update_equiv_regs): Handle equivalences set up in multiple places.
2030 Don't ignore an insn just because its destination is likely to be
2033 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
2035 * except.c (expand_eh_return): Readd force_operand call lost in
2038 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
2040 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
2042 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2044 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
2046 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2048 * regmove.c (regmove_optimize): Fix error in last change.
2050 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
2052 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
2053 offset in the .mask pseudo to compensate for frame pointer adjustments.
2054 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
2055 word swap arguments moved to/from FP registers.
2056 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
2058 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
2060 * version.c: Bump for snapshot.
2062 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
2064 * version.c: Bump for snapshot.
2066 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
2068 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
2069 times, then it can not be completely replaced.
2071 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
2073 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
2075 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2077 * gansidecl.h: Prepend a "G" to the macro wrapping this file
2078 (to distinguish it from the macro wrapping ansidecl.h.)
2079 Include libiberty's ansidecl.h. Remove all redundant definitions.
2080 Define the PROTO() style macros in terms of the PARAMS() ones.
2083 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
2084 __STDC__, when deciding whether to use ANSI variable args.
2085 (emit_library_call_value): Likewise.
2087 * cccp.c (error): Likewise.
2088 (warning): Likewise.
2089 (error_with_line): Likewise.
2090 (warning_with_line): Likewise.
2091 (pedwarn): Likewise.
2092 (pedwarn_with_line): Likewise.
2093 (pedwarn_with_file_and_line): Likewise.
2096 * cexp.y (error): Likewise.
2097 (pedwarn): Likewise.
2098 (warning): Likewise.
2100 * collect2.c (fatal_perror): Likewise.
2104 * combine.c (gen_rtx_combine): Likewise.
2106 * cpperror.c (cpp_message): Likewise.
2107 (cpp_fatal): Likewise.
2109 * cpplib.c (cpp_error): Likewise.
2110 (cpp_warning): Likewise.
2111 (cpp_pedwarn): Likewise.
2112 (cpp_error_with_line): Likewise.
2113 (cpp_warning_with_line): Likewise.
2114 (cpp_pedwarn_with_line): Likewise.
2115 (cpp_pedwarn_with_file_and_line): Likewise.
2117 * cpplib.h: Don't define PARAMS() macro.
2119 * demangle.h: Likewise.
2121 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
2122 when deciding whether to use ANSI variable args.
2124 * emit-rtl.c (gen_rtx): Likewise.
2125 (gen_rtvec): Likewise.
2127 * final.c (asm_fprintf): Likewise.
2129 * fix-header.c (cpp_message): Likewise.
2131 (cpp_fatal): Likewise.
2133 * gcc.c (concat): Likewise.
2137 * genattr.c (fatal): Likewise.
2139 * genattrtab.c (attr_rtx): Likewise.
2140 (attr_printf): Likewise.
2143 * gencodes.c (fatal): Likewise.
2145 * genconfig.c (fatal): Likewise.
2147 * genemit.c (fatal): Likewise.
2149 * genextract.c (fatal): Likewise.
2151 * genflags.c (fatal): Likewise.
2153 * genopinit.c (fatal): Likewise.
2155 * genoutput.c (fatal): Likewise.
2158 * genpeep.c (fatal): Likewise.
2160 * genrecog.c (fatal): Likewise.
2162 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
2163 deciding whether to declare `tree_node' and `rtx_def'.
2165 * hash.h: Don't define stuff we get from gansidecl.h.
2167 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
2168 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2169 whether to use ANSI variable args.
2172 * prefix.c (concat): Likewise.
2176 * system.h: Likewise.
2178 * toplev.c (error_with_file_and_line): Likewise.
2179 (error_with_decl): Likewise.
2180 (error_for_asm): Likewise.
2183 (warning_with_file_and_line): Likewise.
2184 (warning_with_decl): Likewise.
2185 (warning_for_asm): Likewise.
2186 (warning): Likewise.
2187 (pedwarn): Likewise.
2188 (pedwarn_with_decl): Likewise.
2189 (pedwarn_with_file_and_line): Likewise.
2191 (really_sorry): Likewise.
2193 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2194 whether to declare `tree_node' and `rtx_def'.
2196 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
2197 deciding whether to use ANSI variable args.
2198 (build_nt): Likewise.
2199 (build_parse_node): Likewise.
2201 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
2203 * version.c: Bump for snapshot.
2205 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2207 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
2209 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2211 * collect2.c (main, case 'b'): Use else if.
2213 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2215 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
2216 Arrange to include gansidecl.h in {ht}config.h & tm.h just
2217 before the config/ directory headers.
2218 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
2219 gansidecl.h in the list of dependencies.
2221 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
2222 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
2223 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
2224 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
2225 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
2226 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
2229 * cccp.c: Don't include gansidecl.h.
2231 * collect2.c: Likewise.
2232 * config/c4x/c4x.c: Likewise.
2233 * config/v850/v850.h: Likewise.
2234 * cppalloc.c: Likewise.
2235 * cpperror.c: Likewise.
2236 * cppexp.c: Likewise.
2237 * cppfiles.c: Likewise.
2238 * cpphash.c: Likewise.
2239 * cpplib.c: Likewise.
2240 * cppmain.c: Likewise.
2241 * cppulp.c: Likewise.
2242 * demangle.h: Likewise.
2243 * doprint.c: Likewise.
2244 * dyn-string.c: Likewise.
2245 * eh-common.h: Likewise.
2246 * fix-header.c: Likewise.
2247 * frame.c: Likewise.
2250 * gen-protos.c: Likewise.
2251 * gencheck.c: Likewise.
2252 * halfpic.h: Likewise.
2254 * machmode.h: Likewise.
2255 * mbchar.c: Likewise.
2256 * prefix.c: Likewise.
2257 * protoize.c: Likewise.
2258 * recog.h: Likewise.
2260 * scan-decls.c: Likewise.
2262 * varray.h: Likewise.
2264 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
2266 * i386.md (call_value_pop): If we're not popping anything,
2267 defer to call_value.
2268 (call_pop): Likewise defer to call.
2270 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
2272 * function.c (purge_addressof): Clear purge_addressof_replacements
2273 only after processing the whole function.
2275 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
2277 * reload1.c (reload): If we can not perform a particular elimination
2278 when we thought we could earlier, then we must always iterate through
2279 the loop at least one more time.
2281 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
2283 * alpha.c (add_operand): Simplify the CONST_INT match.
2284 (sext_add_operand): Correct typo in comparison by using
2285 CONST_OK_FOR_LETTER_P.
2286 * alpha.md (s?addq): Use sext_add_operand to allow the negative
2287 constant alternatives to be generated.
2288 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
2289 small constants, since the hw instructions do.
2291 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2293 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
2294 previous insn to store directly into our reload register, make sure
2295 that if the source of the previous insn is a reload register, its
2296 spill_reg_store and spill_reg_stored_to values are cleared.
2298 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
2300 * rs6000.md (floatunssidf2_internal splitter): Use base register
2301 operand, not hard-coded SP.
2303 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2305 * jump.c (calculate_can_reach_end): Fix thinko.
2307 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
2309 * reorg.c (fill_simple_delay_slots): Fix typo.
2311 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
2313 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
2315 * i386.md (extendsidi2): Use # in the output template.
2316 (extendsidi splitters): New splitters.
2318 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
2320 * configure.in: Use unknown-elf.h as tm_file for arm-elf
2322 * configure: Regenerate.
2324 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2326 * jump.c (init_label_info, delete_barrier_successors,
2327 mark_all_labels, delete_unreferenced_labels,
2328 delete_noop_moves, calculate_can_reach_end): New functions broken
2329 out of jump_optimize.
2330 (jump_optimize): Use them.
2332 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2334 * except.c (expand_fixup_region_end): Make sure outer context labels
2335 are not issued in an inner context during cleanups.
2337 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
2339 * alpha.md (addsi3, subsi3): No new temporaries once cse is
2342 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
2344 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
2345 to expose this midpoint to CSE.
2347 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2349 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
2351 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2353 * configure.in: Bring over gcc2 change of Nov 19 1997.
2355 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
2357 * toplev.c (output_lang_identify): Make definition dependent on
2358 ASM_IDENTIFY_LANGUAGE.
2360 * print-rtl.c (spaces): Make static.
2362 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
2364 * extend.texi: Clarify proper uses for register clobbers in asms.
2366 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2368 * recog.h (enum op_type): Define.
2369 (constrain_operands): Adjust prototype.
2370 (recog_op_type): Declare new variable.
2371 * recog.c (recog_op_type): New variable.
2372 (insn_invalid_p): Allow modifying an asm statement after reload.
2373 (extract_insn): Set up recog_op_type.
2374 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2375 Don't compute operand types, use recog_op_type.
2376 Use the information computed by extract_insn instead of the previous
2377 method of finding it by insn code number.
2378 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2379 * reorg.c (fill_slots_from_thread): Likewise.
2380 * reload1.c (reload_as_needed): Likewise.
2381 (gen_reload): Likewise.
2382 (inc_for_reload): Likewise.
2383 (reload_cse_simplify_operands): Likewise.
2384 Use the information computed by extract_insn instead of the previous
2385 method of finding it by insn code number.
2386 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
2388 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
2389 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
2390 Use the information computed by extract_insn instead of the previous
2391 method of finding it by insn code number.
2392 * regmove.c (find_matches): Likewise. Change meaning of the return
2393 value to be nonzero if the optimization can be performed, zero if
2394 not. All callers changed.
2395 Shorten some variable names to fix formatting problems.
2396 (regmove_optimize): Shorten some variable names to fix formatting
2398 Use the information computed by extract_insn instead of the previous
2399 method of finding it by insn code number.
2400 * regclass.c (scan_one_insn): Likewise.
2401 (record_reg_classes): Don't compute operand types, use recog_op_type.
2402 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
2403 recog_constraints instead.
2405 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
2407 * rtl.h (flow2_completed): Declare.
2408 * flow.c (flow2_completed): Definition.
2409 * toplev.c (rest_of_compilation): Set and clear flow2_completed
2412 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2414 * Makefile.in (libcpp.a): Ranlib libcpp.a
2416 * cppulp.c (user_label_prefix): Initialize.
2418 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
2420 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
2421 at a RETURN if current_function_sp_is_unchanging is set.
2423 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2425 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
2427 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
2429 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
2430 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
2431 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
2432 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
2433 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
2434 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
2436 (LIB_SPEC): Handle -mno-cyginw option.
2437 (LINK_SPEC): Handle -mdll.
2439 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2441 * reload.c (find_reloads): Fix test for usage by other reload
2442 to handle secondary reloads properly.
2444 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2446 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
2447 intermediate structure which has exactly the members provided by
2448 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
2449 static intermediate structure.
2451 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
2452 from the intermediate structure. Do the same analogous fix in
2453 the case where ELIMINABLE_REGS is not defined.
2455 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
2457 * pa.h (SELECT_SECTION): Fix thinko.
2459 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
2461 * dwarf2out.c (output_call_frame_info): Comments on last change.
2463 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
2465 * arm.c (add_constant): When taking the address of an item in the
2466 pool, get the mode of the item addressed.
2468 * arm.c (final_prescan_insn case INSN): If an insn doesn't
2469 contain a SET or a PARALLEL, don't consider it for conditional
2472 Restore ABI compatibility for NetBSD.
2473 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
2475 (RETURN_IN_MEMORY): Likewise.
2477 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
2479 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
2480 (m32r_output_block_move): Rewrite bytes < 4 handling.
2482 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2484 * configure.in: Call AC_FUNC_VFORK.
2486 * collect2.c: Define VFORK_STRING as a printable string for
2487 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
2488 defined, include vfork.h. If VMS is defined, define vfork()
2489 appropriately. Remove vfork check on USG, we're using autoconf.
2490 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
2491 checking locally what string to pass.
2492 (scan_prog_file): Likewise.
2493 (scan_libraries): Likewise.
2495 * gcc.c: Remove vfork check on USG, we're using autoconf.
2496 Besides, no calls to vfork/fork occur in this file.
2498 * protoize.c: Likewise.
2500 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2502 * configure.in (DEFAULT_LINKER): renamed from LD
2503 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
2504 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
2505 * configure: rebuilt
2507 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2509 * BUGS: fix the regexp for `more' to find the appropriate node.
2510 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
2512 * BUGS: added link to the WWW FAQ
2514 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
2516 * version.c: Bump for snapshot.
2518 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
2520 * From Christian Gafton:
2521 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
2522 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
2523 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
2525 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
2527 * c-common.c (c_get_alias_set): Allow all type-punning through
2528 unions. Don't get confused about the type of a bit-field, despite
2529 the antics of build_modify_expr.
2531 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
2533 * fixinc.sco: Paramaterize #include_next values.
2534 * fixinc/fixinc.sco: Likewise.
2536 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
2538 * toplev.c (rest_of_compilation): No longer set reload_completed.
2539 * reload1.c (reload): Set it here. Perform instruction splitting
2540 after reload has completed if we will be running the scheduler
2543 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
2545 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
2546 EH region if exceptions are enabled and we're performing cross
2548 (find_cross_jump): Exit loop if the insns are in different EH regions.
2550 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
2552 * dwarf2out.c (output_call_frame_info): Use
2553 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
2555 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2557 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
2558 * c-common.c (check_format_info): Don't check for the 'x'
2559 format character twice, instead check for 'x' and 'X'
2561 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
2563 * configure.in (assembler features): Also make gas is configured if
2564 we find it in the souce tree.
2566 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
2568 * i386.c (i386_comp_type_attributes): Compare whether the
2569 attributes are defined, not their tree nodes.
2571 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2573 * configure.in (gxx_include_dir): bitten by autoconf quoting
2575 * configure: rebuilt
2577 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2579 * configure.in: Ignore non-absolute value in $AS.
2581 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
2583 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
2585 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
2587 * configure.in (msdosdjgpp): Set exeext and target_alias.
2589 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2591 * flow.c (XNMALLOC): New macro.
2592 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
2594 (add_edge, add_edge_to_label): New static functions.
2595 (free_bb_memory): New function.
2596 (flow_delete_insn): Delete function.
2597 (basic_block_drops_in): Delete variable.
2598 (find_basic_blocks): Allocate and initialize basic_block_head,
2599 basic_block_succ. Don't allocate basic_block_drops_in.
2600 Call free_bb_memory at the beginning.
2601 (find_basic_blocks_1): Don't do multiple passes.
2602 Delete code to compute basic_block_drops_in.
2603 After calling make_edges, mark blocks reached by current block live.
2604 Update test for unreachable live blocks.
2605 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
2607 Simplify to call add_edge_to_label when a LABEL_REF is found.
2608 (make_edges): Simplify to call add_edge_to_label instead of
2609 mark_label_ref most of the time.
2610 Compute here whether control drops into the next block.
2611 (delete_unreachable_blocks): Return void. All callers changed.
2612 Delete unreachable blocks in reverse order.
2613 After deleting all unreachable blocks, renumber the remaining ones
2614 and update n_basic_blocks.
2615 (delete_block): Speed up deletion a bit.
2616 Don't set basic_block_drops_in for deleted blocks.
2617 (free_basic_block_vars): Don't free basic_block_drops_in.
2618 (life_analysis_1): Update to use new edge representation.
2619 (dump_flow_info): Delete code to print basic block info; call
2620 dump_bb_data instead.
2621 (compute_preds_succs): Delete code to recompute basic_block_drops_in
2622 and uid_block_number.
2623 Simply copy the previously computed cfg.
2624 (dump_bb_data): New arg LIVE_INFO. All callers changed.
2625 Print register lifetime information if LIVE_INFO is nonzero.
2626 * basic-block.h (dump_bb_data): Adjust prototype.
2627 * gcse.c (gcse_main): Update call to dump_bb_data.
2628 * rtl.h (free_bb_memory): Declare.
2629 * toplev.c (rest_of_compilation): Call free_bb_memory.
2631 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
2632 (update_eliminable_offsets): Don't compute it.
2633 (set_initial_elim_offsets): Don't initialize it.
2634 Break out some code into set_initial_label_offsets so the rest of
2635 this function can be called from reload_as_needed.
2636 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
2637 ELIMINABLE_REGS isn't.
2638 (set_initial_label_offsets): New function, broken out of
2639 set_initial_elim_offsets.
2640 (set_offsets_for_label): New function, broken out of set_label_offsets
2641 and reload_as_needed.
2642 (reload): Call the two new functions.
2643 (reload_as_needed): Call set_initial_elim_offsets instead of
2644 duplicating the code. Likewise for set_offsets_for_label.
2646 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
2647 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
2648 any hard reg, reg_reloaded_dead contains valid data.
2650 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
2652 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
2653 "stdcall" and "cdecl" attributes.
2655 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
2657 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
2658 handle deleted no-op moves of hard registers.
2659 * haifa-sched.c (update_flow_info): Likewise.
2661 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
2663 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
2664 of the sequences to reload the HILO register which do not actually
2667 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
2669 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
2671 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2673 * except.c (emit_eh_context): Make the EH context register stay alive
2674 at -O0 so stupid.c doesn't get confused.
2676 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2678 * emit-rtl.c (try_split): Do not try to split a BARRIER.
2680 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
2681 Jeffrey A Law (law@cygnus.com)
2683 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
2684 (zero_extendsidi2): Use # in output template and handle completely by
2686 (zero_extend splitters): New define_splits.
2687 (ashiftrt_32): New pattern.
2689 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2691 * tree.c (append_random_chars): New fn.
2692 (get_file_function_name_long): Use it.
2694 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
2696 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
2697 (LIBCPP_OBJS): New. Add cppulp.o.
2698 (cppmain, fix-header): Depend on and use libcpp.a.
2699 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
2700 of the individual object files.
2701 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
2704 * cccp.c (user_label_prefix): New.
2705 (main): Set it off -f*leading-underscore.
2706 (special_symbol): Use it.
2707 * cpplib.c (special_symbol): Likewise.
2708 (cpp_handle_option): Handle -f*leading-underscore.
2709 * cppulp.c: New file.
2711 * output.h (user_label_prefix): Declare it.
2712 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
2713 * toplev.c (f_options, main): Handle -f*leading-underscore.
2715 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
2716 referencing USER_LABEL_PREFIX directly.
2717 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
2718 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
2719 * final.c (asm_fprintf): Use user_label_prefix instead.
2720 * arm/thumb.c (thumb_print_operand): Likewise.
2722 * gcc.c (default_compilers): Pass -f*leading-underscore on to
2723 cpp wherever appropriate.
2725 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
2727 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
2728 specific compiler switches.
2730 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
2732 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
2735 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2737 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
2738 structure which has exactly the members provided by EXTRA_SPECS.
2739 Xmalloc() the real `extra_specs', and initialize it from this
2740 intermediate structure.
2742 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
2744 * mips.h (EXTRA_SPECS): Likewise.
2746 * sparc.h (EXTRA_SPECS): Likewise.
2748 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2750 * function.c (purge_addressof_1): Instead of aborting when a
2751 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
2752 work just put the ADDRESSOF on stack. Otherwise remember all such
2753 successfull replacements, so that exactly the same replacements
2754 can be made on the REG_NOTEs. Remove the special case for CALL
2756 (purge_addressof_replacements): New variable.
2757 (purge_addressof): Clear it at end.
2759 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2761 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
2762 (lang_init): Call check_newline always.
2763 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
2764 cpp_start_read, set yy_cur and yy_lim to read from
2765 parse_in.token_buffer, so that we'll see the first #line
2767 * cpplib.c (cpp_start_read): finclude the main input file
2768 before processing -include/-imacros. Process -imacros and
2769 -include separately, and handle -include by stacking a
2770 buffer for the file in question as if it'd been #included.
2771 * toplev.c (documented_lang_options) Recognize -H when
2774 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2776 * cpplib.c: Merge do_once into do_pragma. Break file handling
2777 code out of do_include.
2778 Move append_include_chain, deps_output,
2779 file_cleanup, redundant_include_p, import_hash,
2780 lookup_import, add_import, read_filename_string, read_name_map,
2781 open_include_file, finclude, safe_read to cppfiles.c.
2782 Move prototypes for deps_output, append_include_chain,
2783 finclude to cpplib.h. Move definition of struct
2784 file_name_list there also.
2786 * cppfiles.c: New file. Contains all the above functions
2787 broken out of cpplib.c; also hack_vms_include_specification
2788 from cccp.c and find_include_file, a new function broken out of
2791 * Makefile.in (cppmain): Depend on cppfiles.o.
2792 (fix-header): Likewise.
2793 (cppfiles.o): New target.
2794 * configure.in (--enable-c-cpplib): Add cppfiles.o to
2795 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
2797 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
2799 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
2800 if pending_types is non-zero.
2801 (dwarfout_finish): Verify pending_types is zero before finishing.
2803 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
2805 * expr.c (convert_move): Use shifts to perform the move if a
2806 suitable extend pattern cannot be found. Code written by
2807 Richard Henderson <rth@cygnus.com>.
2809 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2811 * regclass.c (renumber, regno_allocated): New static variables, moved
2812 out of allocate_reg_info.
2813 (allocate_reg_info): Move these two variables outside the function.
2814 Move code to free memory into new function free_reg_info.
2815 (free_reg_info): New function, broken out of allocate_reg_info.
2816 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
2817 * rtl.h (allocate_reg_info): Don't declare.
2818 (free_reg_info): Declare.
2820 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
2822 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
2824 * toplev.c (compile_file): Temporarily revert last change.
2826 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2828 * c-typeck.c (convert_for_assignment): Parenthesize.
2830 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2832 * reload1.c (delete_output_reload): Avoid ambigous else.
2834 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
2836 * toplev.c (compile_file): Call allocate_reg_info to free register
2838 * rtl.h (allocate_reg_info): Declare.
2840 * PROJECTS: Remove entry for local spilling.
2842 * final.c (cleanup_subreg_operands): New function.
2843 (final_scan_insn): Use it.
2844 (alter_subreg): Clear the "used" field when we turn a SUBREG into
2846 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
2847 operands when reload has finished.
2848 * reload.h (cleanup_subreg_operands): Declare..
2849 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
2850 reload. Handled in reload itself.
2852 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2854 * reload1.c (verify_initial_offsets): New function.
2855 (reload): Call it after reload_as_needed. Also verify that the frame
2856 size stays constant during reload_as_needed.
2857 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
2859 * reload.h (struct insn_chain): Add need_operand_change element.
2860 * reload1.c (new_insn_chain): Clear it.
2861 (calculate_needs_all_insns): Set it; don't overload need_reload.
2862 (reload_as_needed): Use it.
2864 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
2865 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
2866 and reload_address_index_reg_class.
2867 (find_reloads_address_1): Likewise.
2868 * reload.h (reload_address_base_reg_class,
2869 reload_address_index_reg_class): Don't declare.
2870 * reload1.c (reg_old_renumber, pseudo_previous_regs,
2871 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
2872 (used_spill_regs): Now static.
2873 (reload_address_base_reg_class, reload_address_index_reg_class,
2874 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
2875 basic_block_needs, max_needs, group_size, group_mode, max_groups,
2876 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
2879 (init_reload): Delete code to compute base/index reg classes.
2880 (reload): Delete variable J.
2881 Delete code to manage basic_block_needs.
2882 Don't compute regs_explicitly_used.
2883 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
2884 pseudo_previous_regs.
2885 Initialize bad_spill_regs_global.
2886 Don't call order_regs_for_reload here.
2887 Don't initialize spill_reg_order and n_spills.
2888 Don't forbid explicitly used regs to be used for spill regs.
2889 Change main loop to infinite loop, with explicit break statements.
2890 Make SOMETHING_CHANGED variable local to that loop.
2891 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
2892 max_groups_insn, max_nongroups_insn, group_size, group_mode.
2893 Make sure spilled_speudos is cleared before calling spill_hard_reg or
2895 Don't call dump_needs.
2896 Delete code to reset potential_reload_regs.
2897 Delete code to terminate loop conditional on the global needs variables
2898 showing no further needs.
2899 (calculate_needs_all_insns): Return void. All callers changed.
2900 Initialize somehing_needs_elimination here, not in reload.
2901 Delete avoid_return_reg kludge.
2902 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
2903 All callers changed.
2904 Initialize the group_mode and group_size elements of the arg CHAIN.
2905 Delete code to manage basic_block_needs.
2906 Operate on elements of CHAIN instead of global variables.
2907 Delete avoid_return_reg kludge.
2908 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
2909 All callers changed.
2910 Operate on elements of CHAIN instead of global variables.
2911 Delete special SMALL_REGISTER_CLASSES code.
2912 Delete spill_failure code; now in new_spill_reg.
2913 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
2914 All callers changed.
2915 Operate on elements of CHAIN instead of global variables.
2916 (maybe_mark_pseudo_spilled): New static function.
2917 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
2918 All callers changed.
2919 Operate on elements of CHAIN instead of global variables.
2920 Call order_regs_for_reload here, not in reload.
2921 Initialize spill_reg_order and n_spills.
2922 Simplify test whether an asm insn is involved.
2923 Delete spill_failure code; now in new_spill_reg.
2924 Call maybe_mark_pseudo_spilled for everything marked as live in
2925 CHAIN. Merge CHAIN's used_spill_regs into the global variable
2927 (dump_needs): Take CHAIN arg. No longer static, to prevent the
2928 compiler from optimizing this function (now unused) away.
2929 Operate on elements of CHAIN instead of global variables.
2930 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
2932 Operate on elements of CHAIN instead of global variables.
2933 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
2934 take CHAIN arg. All callers changed.
2935 Operate on elements of CHAIN instead of global variables.
2936 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
2937 CHAIN, NONGROUP args. Return void. All callers changed.
2938 Verify caller isn't trying to spill a pseudo.
2939 Simplify test for illegal reg, just use bad_spill_regs.
2940 Generate better error messages.
2941 Operate on elements of CHAIN instead of global variables.
2942 Mark spilled register in CHAIN's used_spill_regs element.
2943 Don't call spill_hard_reg.
2944 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
2945 Mark spilled hard regs in bad_spill_regs_global.
2946 Mark affected pseudos in spilled_pseudos, but don't spill them.
2947 (ior_hard_reg_set): New static function.
2948 (finish_spills): Return int. All callers changed.
2949 Compute spill_reg_order, n_spills and spill_regs here. Also update
2950 regs_ever_live for regs used as spills.
2951 For every pseudo in spilled_pseudos, spill it and mark the previous
2952 hard reg it had in pseudo_previous_regs. Compute which hard regs
2953 arseudo): New static function.
2954 (order_regs_for_reload): Take CHAIN arg. All callers changed.
2955 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
2956 hard registers explicitly used across the current insn into the set.
2957 Compute hard_reg_n_uses taking only pseudos live across this insn
2959 Tweak sorting of potential_reload_regs.
2960 (compare_spill_regs): Delete function.
2961 (reload_as_needed): Don't sort the spill_regs array, it's computed
2962 in proper order in finish_spills.
2963 Delete avoid_return_reg kludge.
2964 Delete code to manage basic_block_needs.
2965 (allocate_reload_reg): Minor speed/readability tweaks.
2966 Operate on elements of CHAIN instead of global variables.
2967 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
2968 Delete avoid_return_reg kludge.
2969 Initialize reload_reg_used from CHAIN's used_spill_regs element.
2970 Delete unused label FAIL.
2971 (reload_combine): Replce reload_address_index_reg_class with
2973 Don't use used_spill_regs to determine information about lifetime of
2976 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
2978 * toplev.c (display_help): Ignore empty target specific
2979 options, and if -W is also specified on the command line then
2980 display undocumented options.
2982 * config/arm/arm.c: Updated with changes in devo sources.
2983 * config/arm/arm.h: Updated with changes in devo sources.
2984 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
2985 * config/arm/lib1thumb.asm: Add ELF support.
2987 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
2989 * collect2.c (aix64_flag): New variable.
2990 (main, case 'b'): Parse it.
2991 (GCC_CHECK_HDR): object magic number must match mode.
2992 (scan_prog_file): Only check for shared object if valid header.
2993 Print debugging if header/mode mismatch.
2995 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
2997 Added support for arm-elf-linux configuration, submitted by Philip
2998 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
2999 code developed by Catherine Moore <clm@cygnus.com>. The following
3002 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
3005 * configure: Regenerated.
3007 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
3008 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
3009 definitions conditional on their not having been already defined.
3011 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
3012 and .type directives, and add "(PLT)" qualification to function
3015 * config/arm/linux.h: Deleted. This file is now superceeded by
3016 either linux-elf.h or linux-aout.h.
3018 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
3019 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
3021 Move definitions from old linux.h file here.
3023 * config/arm/elf.h: New file. Generic ARM/ELF support.
3025 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
3027 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
3029 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
3030 using the 26bit APCS.
3032 * config/arm/unknown-elf.h: New file. Support for OS'es other
3033 than Linux with ELF.
3035 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
3038 * config/arm/coff.h: Include aout.h for basic assembler macros.
3039 Add support for -mstructure_size_boundary=<n> command line option.
3041 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
3042 command line option. Make macro definitions conditional on their
3043 not having been already defined.
3045 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
3046 command line option.
3049 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
3051 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
3052 has been changed to not include a newline. Use this macro instead.
3053 (output_enumeral_list, const_value_attribute, name_attribute,
3054 comp_dir_attribute, prototyped_attribute, producer_attribute,
3055 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
3056 dwarfout_file_scope_decl, generate_new_sfname_entry,
3057 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
3058 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
3060 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
3062 * combine.c (subst): Process the inputs to a parallel asm_operands
3065 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
3067 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
3069 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
3071 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
3073 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
3075 * version.c: Bump for snapshot.
3077 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
3079 * stmt.c (expand_fixup): Set fixup->before_jump to a
3080 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
3082 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3084 * Makefile.in (recog.o): Depend on toplev.h.
3085 (insn-emit.o): Depend on recog.h.
3086 (insn-peep.o): Depend on recog.h and insn-config.h.
3088 * combine.c (simplify_set): Remove unused variable `scratches'.
3090 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
3091 and `idx' in macro conditional controlling their use.
3093 * genemit.c (main): Make the generated output file include
3094 recog.h. Don't have it declare `insn_operand_constraint', since
3095 we get it from recog.h.
3097 * genpeep.c (main): Make the generated output file include
3098 insn-config.h and recog.h.
3100 * recog.c: Include toplev.h.
3101 (extract_insn): Remove unused variable `p'.
3103 * regclass.c (fix_register): Add missing braces around initializer
3105 (allocate_reg_info): Move variable `i' into the scope where it is
3106 used. Change its type to `size_t'.
3108 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3110 * reload.c (push_reload): When merging reloads, make sure
3111 that reload_in_reg and reload_in are from the same reload in
3114 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
3116 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
3117 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3119 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
3121 * loop.c (loop_has_tablejump): New variable.
3122 (prescan_loop): Scan for it.
3123 (insert_bct): Replace explicit scan with use of it.
3124 * regclass.c (regclass): Restore loop variable j.
3125 (record_reg_classes): Deterine op_types modifiers and initialize
3126 classes[i] before matching constraints. Handle matching
3129 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
3131 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
3134 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3136 * mips.h (EXTRA_SPECS): Add missing initializers.
3138 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3140 * sparc.h (EXTRA_SPECS): Add missing initializers.
3141 (sparc_defer_case_vector): Provide a prototype.
3143 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
3144 comparing it to the result of a pointer subtraction.
3146 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3148 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
3149 the argument to (unsigned char).
3151 * alpha.h (EXTRA_SPECS): Add missing initializers.
3152 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
3155 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
3157 * flow.c (life_analysis_1): Enable "rescan" code after reload.
3158 (propagate_block): Delete dead code after reload.
3160 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
3161 back Oct 15, 1998 change.
3162 * haifa-sched.c (update_flow_info): Likewise.
3163 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
3165 * mn10200.md (truncated shift): Accept constant inputs too.
3167 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
3169 * machmode.h (mode_mask_array): No longer const.
3170 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
3172 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3174 * frame.c: Somewhat explain `FDE'.
3175 Suggested by Brendan Kehoe
3177 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
3179 * expr.c (pending_chain): Move up.
3180 (save_expr_status): Do save pending_chain.
3181 (restore_expr_status): And restore it.
3182 * function.h (struct function): Add pending_chain.
3184 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3186 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
3187 did not match the code.
3189 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3191 * regclass.c (regclass): Break out some code into new function
3192 scan_one_insn, and into regclass_init.
3193 (init_cost): New static variable, moved out of regclass.
3194 (regclass_init): Initialize it here, not in .
3195 (scan_one_insn): New static function, broken out of regclass.
3196 * recog.c (apply_change_group): Break out some code into new
3197 function insn_invalid_p.
3198 (insn_invalid_p): New static fn, broken out of apply_change_group.
3200 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
3202 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
3203 reg_reloaded_contents matches incremented pseudo.
3205 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
3207 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3209 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
3210 addressing modes with side effects. These are currently
3211 placeholders for the C4x target.
3213 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3215 * loop.c (express_from): Make sure that when generating a PLUS of
3216 a PLUS, any constant expression appears on the outermost PLUS.
3218 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
3220 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
3221 works if "$(srcdir)" != ".".
3223 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
3225 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
3226 existing SUBREG if we can, otherwise abort.
3228 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
3230 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
3231 `restrict' is applied to a non-pointer variable.
3233 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
3235 * invoke.texi: Document -flang-isoc9x.
3237 * Makefile.in (OBJS): Add splay-tree.o.
3238 (c-common.o): Depend on rtl.h.
3239 (splay-tree.o): List dependencies and provide build rule.
3241 * rtl.h (record_alias_subset): New function.
3242 * alias.c: Include splay-tree.h.
3243 (alias_set_entry): New type.
3244 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
3245 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
3246 (mems_in_disjoin_alias_sets_p): New function.
3247 (alias_set_compare): Likewise.
3248 (insert_subset_children): Likewise.
3249 (get_alias_set_entry): Likewise.
3251 * tree.h (TYPE_RESTRICT): New macro.
3252 (TYPE_UNQUALIFIED): New manifest constant.
3253 (TYPE_QUAL_CONST): Likewise
3254 (TYPE_QUAL_VOLATILE): Likewise.
3255 (TYPE_QUAL_RESTRICT): Likewise.
3256 (tree_type): Add restrict_flag. Reduce count of free bits.
3257 (DECL_POINTER_ALIAS_SET): New macro.
3258 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
3259 (tree_decl): Add pointer_alias_set.
3260 (build_qualified_type): New function.
3261 (build_type_variant): Define in terms of build_qualified_type.
3262 * tree.c (set_type_quals): New function.
3263 (make_node): Initializae DECL_POINTER_ALIAS_SET.
3264 (build_type_attribute_variant): Use build_qualified_type and
3266 (build_type_variant): Rename, and modify, to become...
3267 (build_qualified_type): New function.
3268 (build_complex_type): Use set_type_quals.
3270 * c-tree.h (C_TYPE_OBJECT_P): New macro.
3271 (C_TYPE_FUNCTION_P): Likewise.
3272 (C_TYPE_INCOMPLETE_P): Likewise.
3273 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
3274 (c_apply_type_quals_to_decl): New function.
3275 (c_build_qualified_type): New function.
3276 (c_build_type_variant): Define in terms of c_build_qualified_type.
3277 (flag_isoc9x): Declare.
3278 * c-typeck.c (qualify_type): Use c_build_qualified_type.
3279 (common_type): Change to use TYPE_QUALS.
3280 (comptypes): Likewise.
3281 (convert_for_assignment): Likewise.
3282 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
3283 * c-decl.c (flag_isoc9x): Define.
3284 (c_decode_option): Handle -flang-isoc9x.
3285 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
3286 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
3287 * c-lex.c (init_lex): Deal with restrict.
3288 (init_lex): Don't treat restrict as a reserved word in
3289 -traditional mode, or without -flang-isoc9x.
3290 * c-lex.h (rid): Add RID_RESTRICT.
3291 * c-parse.gperf (restrict, __restrict, __restrict__): Make
3292 equivalent to RID_RESTRICT.
3293 * c-parse.in (TYPE_QUAL): Update comment.
3294 * c-common.c: Include rtl.h.
3295 (c_find_base_decl): New function.
3296 (c_build_type_variant): Rename, and modify, to become ...
3297 (c_build_qualified_type): New function.
3298 (c_apply_type_quals_to_decl): Likewise.
3299 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
3300 a particular alias set for the reference.
3301 * toplev.c (documented_lang_options): Add -flang-isoc9x.
3303 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
3305 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
3306 command line switches.
3308 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
3310 * reload.c (loc_mentioned_in_p): Add missing braces to bind
3313 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
3315 * gcc.c (option_map): Added --classpath and --CLASSPATH.
3317 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
3319 * regclass.c (fix_register): Add error message.
3320 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
3323 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3325 * c-decl.c (warn_missing_noreturn): New global variable.
3326 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
3327 (finish_function): Implement missing noreturn warning.
3329 * c-tree.h (warn_missing_noreturn): Declare extern.
3331 * invoke.texi: Document new flags.
3333 * toplev.c (documented_lang_options): Add description.
3335 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3337 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
3338 loop optimization stable for the C4x.
3339 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
3340 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
3341 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
3343 (c4x_address_conflict): Be more paranoid when packing a volatile
3344 memref in a parallel load/store.
3346 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3348 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
3349 repeat_block_filler): Deleted.
3350 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
3351 Condition code not set if destination register from 'c' class.
3352 (*subbqi3_carry_clobber): Fix typo.
3354 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3356 * reorg.c (steal_delay_list_from_target) Check for insns that
3357 modify the condition codes and effect the direction of the jump
3360 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3362 * function.c (purge_addressof_1): Replace call to
3363 emit_insns_before() with emit_insn_before().
3365 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
3367 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
3369 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3371 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3373 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3375 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3376 clobbered across calls.
3378 * loop.c (scan_loop): Be more selective about what invariants are
3379 moved out of a loop.
3381 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
3383 * version.c: Bump for snapshot.
3385 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3387 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
3388 static eh_context structure.
3390 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3392 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
3394 (try_combine): Don't update max_scratch.
3395 * flow.c (max_scratch, num_scratch): Delete variables.
3396 (life_analysis_1): Don't initialize max_scratch.
3397 (propagate_block): Don't update max_scratch.
3398 (mark_set_1): Don't increment num_scratch.
3399 * regs.h (max_scratch): Delete declaration.
3401 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
3403 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
3404 is nonzero. This is temporary!
3406 * sched.c (update_flow_info): Handle death notes made invalid by
3407 instruction splitting. Partially reverts Oct 15, 1998 patch.
3408 * haifa-sched.c (update_flow_info): Likewise.
3410 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
3412 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
3413 if it has a nonzero DECL_INITIAL.
3415 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3417 * Makefile.in (flow.o): Depend on recog.h.
3419 * cpplib.h (directive_table): Add missing initializiers.
3420 (finclude): Change type of variable `bsize' to size_t.
3422 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
3424 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
3426 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
3427 `int' when comparing against one.
3428 (cpp_file_line_for_message): Mark parameter `pfile' with
3430 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
3432 * flow.c: Include recog.h.
3433 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
3435 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
3436 `f' with ATTRIBUTE_UNUSED.
3437 (reposition_prologue_and_epilogue_notes): Likewise.
3439 * genopinit.c (gen_insn): Cast argument of ctype functions to
3442 * haifa-sched.c: Include recog.h.
3443 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
3444 comparing against one.
3446 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
3448 * mips-tfile.c (parse_end): Cast the argument of ctype function to
3450 (parse_ent): Likewise.
3451 (parse_input): Likewise.
3453 * optabs.c (init_libfuncs): Likewise.
3455 * protoize.c (find_rightmost_formals_list): Likewise.
3457 * recog.h (const_double_operand): Fix typo in prototype.
3459 * tlink.c (scan_linker_output): Cast the argument of ctype
3460 function to `unsigned char'.
3462 * toplev.c (check_lang_option): Cast the result of `strlen' to
3463 `int' when comparing against one.
3465 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3467 * gcse.c (dump_cuid_table): Correct typo.
3469 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
3471 * toplev.c (display_help): Prepend '-m' to target specific
3473 (check_lang_option): Ignore text after end of first word of a
3474 language specific option.
3476 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3478 * reload1.c (reg_used_by_pseudo): New static variable.
3479 (choose_reload_regs): Initialize it.
3480 Use it instead of testing spill_reg_order to determine whether a
3481 pseudo is live in a hard register across the current insn.
3482 Fix a typo in a reference to reload_reg_rtx.
3484 * flow.c (propagate_block): Replace code that computes and uses
3485 regs_sometimes_live with simpler code that just walks the set of
3486 currently live registers.
3488 * Makefile.in (insn-extract.o): Fix dependencies.
3489 * genextract.c (main): Generate includes for insn-config.h and
3491 Delete generation of declarations which are now in recog.h.
3492 * genrecog.c (main): Delete generation of definitions which are
3494 * local-alloc.c (block_alloc): Use extract_insn and the variables
3495 it sets up instead of looking up values by insn_code.
3496 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
3497 recog_dup_num): Define here instead of generating the definition in
3499 (recog_n_operands, recog_n_dups, recog_n_alternatives,
3500 recog_operand_mode, recog_constraints, recog_operand_address_p):
3502 (extract_insn): New function.
3503 * recog.h (extract_insn): Declare function.
3504 (which_alternative, recog_n_operands, recog_n_dups,
3505 recog_n_alternatives, recog_operand_mode, recog_constraints,
3506 recog_operand_address_p): Declare variables.
3507 * regclass.c (n_occurrences): New static function.
3508 * reload.c (n_occurrences): Delete function.
3509 (find_reloads): Use extract_insn.
3510 * reload.h (n_occurrences): Delete declaration.
3512 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
3514 * reload1.c (reload_as_needed): Fix test for when to call
3515 update_eliminable_offsets.
3517 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3519 Fix consistency problems with reg_equiv_{mem,address};
3520 Improve reload inheritance;
3522 * reload.c (reload_out_reg): New variable.
3523 (loc_mentioned_in_p, remove_address_replacements): New functions.
3524 (remove_replacements): Deleted.
3525 (push_reload): Set reload_out_reg[i].
3526 When merging, also set reload_{in,out}_reg[i], and remove
3527 duplicate address reloads.
3528 (combine_reloads): Copy reload_out_reg[i].
3529 (find_reloads): Do make_memloc substitution also when
3530 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3532 Include *recog_operand_loc in commutativity operand changes.
3533 Generate optional output reloads.
3534 Delete reference to n_memlocs. Don't set *recog_operand_loc before
3535 processing operands. Call make_memloc in reg_equiv_address code.
3536 Set *recog_operand_loc only after processing operands, and only
3537 if replace is true. Return a value.
3538 When changing address reload types for operands that didn't get
3539 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
3540 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
3541 Don't emit USEs for pseudo SUBREGs when not replacing.
3542 (find_reloads_address): Do make_memloc substitution also when
3543 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3545 (find_reloads_toplev): Likewise.
3546 Call make_memloc in reg_equiv_address code.
3547 (debug_reload_to_stream): Add code to output reload_out_reg.
3548 (make_memloc): Delete local variable i, ifdefed out code, and
3549 references to memlocs and n_memlocs.
3550 (memlocs, n_memlocs): Delete.
3551 (push_secondary_reload): Clear reload_out_reg.
3552 (find_reloads_address_1): Provide memrefloc argument to all calls
3553 to find_reloads_address.
3554 In AUTO_INC code, handle non-directly addressable equivalences properly.
3555 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
3556 (find_reloads): Add return type.
3557 (remove_address_replacements, deallocate_reload_reg): Declare.
3558 * reload1.c (num_not_at_initial_offset): No longer static.
3559 (delete_address_reloads, delete_address_reloads_1): Likewise.
3560 (deallocate_reload_reg): New function.
3561 (spill_reg_stored_to): New array.
3562 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
3563 (eliminate_regs_in_insn): Move assignments of previous_offset and
3564 max_offset fields, and recalculation of num_not_at_initial_offset
3565 into new static function:
3566 (update_eliminable_offsets) .
3567 (reload_as_needed): Call update_eliminable_offsetss after calling
3569 Call forget_old_reloads_1 with contents of reloaded auto_inc
3570 expressions if the actual addressing can't be changed to match the
3572 (choose_reload_regs): For inheritance, replace
3573 reload_reg_free_before_p test with reload_reg_used_at_all test, and
3574 remove stand-alone reload_reg_used_at_all test.
3575 Use reload_out_reg to determine which reload regs have output reloads.
3576 Treat reload_override_in more similar to inherited reloads.
3577 Handle (subreg (reg... for inheritance.
3578 For flag_expensive_optimizations, add an extra pass to remove
3579 unnecessary reloads from known working inheritance.
3580 Delete obsolete code for pseudos replaced with MEMs.
3581 Handle inheritance from auto_inc expressions.
3582 (emit_reload_insns): If reload_in is a MEM, set OLD to
3584 Don't reload directly from oldequiv; if it's a pseudo with a
3585 stack slot, use reload_in[j].
3586 Check that reload_in_reg[j] is a MEM before replacing reload_in
3587 from reg_reloaded_contents.
3588 Include non-spill registers in reload inheritance processing.
3589 Also try to use reload_out_reg to set spill_reg_store /
3590 reg_last_reload_reg.
3591 In code to set new_spill_reg_store, use single_set to find out if
3592 there is a single set.
3593 Add code that allows to delete optional output reloads.
3594 Add code to allow deletion of output reloads that use no spill reg.
3595 At the end, set reload_override_in to oldequiv.
3596 Also call delete_output_reload if reload_out_reg is equal to old
3598 Add code to call delete_output_reload for stores with no matching load.
3599 Set / use spill_reg_stored_to.
3600 Handle case where secondary output reload uses a temporary, but
3601 actual store isn't found.
3602 When looking for a store of a value not loaded in order to call
3603 delete_output_reload, count_occurences should return 0 for no
3604 loads; but discount inherited input reloadill_reg_stored_to.
3605 Do checks for extra uses of REG. Changed all
3607 Use delete_address_reloads.
3608 (reload): Take return value of find_reloads into account.
3609 If a no-op set needs more than one reload, delete it.
3610 (reload_reg_free_before_p): RELOAD_FOR_INPUT
3611 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
3612 for the same operand.
3613 (clear_reload_reg_in_use): Check for other reloads that keep a
3615 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
3616 RELOAD_FOR_OPADDR_ADDR.
3617 Take into account when an address address reload is only needed
3618 for the address reload we are considering.
3619 (count_occurrences): Use rtx_equal_p for MEMs.
3620 (inc_for_reload): Return instruction that stores into RELOADREG.
3621 New argument two, IN, and rtx. Changed all callers.
3622 (calculate_needs_all_insns, reload_as_needed):
3623 Don't clear after_call for a CLOBBER.
3624 Keep track of how many hard registers need to be copied from
3625 after_call, and don't clear after_call before we have seen
3626 that much copies, or we see a different instruction.
3628 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
3630 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
3631 after reload has completed.
3633 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
3635 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
3636 a macro name and the next token with a single blank if that whitespace
3637 is in a macro buffer and the next token is not '('.
3639 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
3641 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
3643 (skip_if_group): Ditto.
3644 (skip_to_end_of_comment): Ditto.
3646 (discard_comments): Ditto.
3647 (change_newlines): Ditto.
3649 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
3651 * c-lex.c (yylex): Fix unaligned access of wchar_t.
3653 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
3655 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
3656 (TARGET_OPTIONS): Add --help documentation.
3658 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3660 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
3662 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
3664 * fixinc/* Moved in from ../contrib directory in preparation
3665 for integrating it into the normal build process. In particular,
3666 fixinc/Makefile.in must be config-ed into the build directory
3667 as fixinc/Makefile. Proposed patches to ./Makefile.in and
3668 ./configure.in will be "in the mail" momentarily.
3670 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
3672 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
3673 accidently walk into the free list. Comment how that can happen.
3674 (invalidate): Fix indentation.
3676 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3677 Jeffrey A Law (law@cygnus.com)
3679 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
3680 reload. Never perform rescans of the insn chain after reload.
3681 (propagate_block): Do not delete insn or create new autoinc addressing
3684 * jump.c (jump_optimize): Unconditionally use the code that was
3685 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
3686 * reload1.c (reload): When reloading is finished, delete all
3687 REG_DEAD and REG_UNUSED notes.
3688 (emit_reload_insns): Delete all code that was conditional on
3689 PRESERVE_DEATH_INFO_REGNO_P.
3690 (no_longer_dead_regs): Delete variable.
3691 (reload_cse_delete_death_notes): Delete function.
3692 (reload_cse_no_longer_dead): Delete function.
3693 (reload_cse_regs_1): Delete all code to handle deletion of death
3695 (reload_cse_noop_set_p): Likewise.
3696 (reload_cse_simplify_set): Likewise.
3697 (reload_cse_simplify_operands): Likewise.
3698 (reload_cse_move2add): Likewise.
3699 * reorg.c (used_spill_regs): Delete declaration.
3700 (max_label_num_after_reload): Delete declaration.
3701 (find_dead_or_set_registers): Don't assume that spill regs are
3702 dead at a CODE_LABEL.
3703 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
3705 * sched.c (sched_analyze_insn): Likewise.
3706 (update_flow_info): Likewise.
3707 * haifa-sched.c (sched_analyze_insn): Likewise.
3708 (update_flow_info): Likewise.
3709 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
3710 * toplev.c (max_label_num_after_reload): Delete variable.
3711 (rest_of_compilation): Don't set max_label_num_after_reload.
3712 Call life_analysis after reload_cse_regs if optimizing.
3713 * config/gmicro/gmicro.h: Delete comment referring to
3714 PRESERVE_DEATH_INFO_REGNO_P.
3715 * config/i386/i386.h: Likewise.
3716 * config/m88k/m88k.h: Likewise.
3717 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
3718 * config/sh/sh.h: Likewise.
3720 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
3722 * loop.c (strength_reduce): Restore marking bct_p as
3724 * rs6000.c (optimization_options): Change #ifdef HAIFA to
3725 HAVE_decrement_and_branch_on_count.
3726 (small_data_operand): Remove TARGET_ELF condition for marking
3727 parameters ATTRIBUTE_UNUSED.
3729 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
3731 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
3732 (SELECT_SECTION): Resync with svr4.h.
3734 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
3736 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
3739 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
3741 * c-pragma.c (handle_pragma_token): Test for null tree before
3742 dereferencing TREE_CODE.
3744 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3746 * config/c4x/c4x.c: Convert to use GEN_INT.
3747 (c4x_parallel_process): Rework to handle new repeat loop structure.
3749 * config/c4x/c4x.md: Convert to use GEN_INT.
3750 (rptb_end): Convert to use GE test. Replace uses with clobbers.
3751 (decrement_and_branch_on_count): Likewise.
3753 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
3754 loop.c has the desired functionality.
3755 (rc_reg_operand): New prototype.
3757 * config/c4x/t-c4x: Can now build all front ends.
3759 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
3761 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
3763 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
3765 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
3766 * config/t-rtems: Do not install assert.h -- use newlib's.
3768 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3770 * combine.c (combine_instructions): When finished, call init_recog.
3771 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
3773 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
3775 * toplev.c: If flag_syntax_only, don't open or write assembler file.
3777 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3779 * cppalloc.c (memory_full): Mark function prototype with
3782 * demangle.h (collect_exit): Likewise.
3784 * fix-header.c (v_fatal, fatal): Likewise.
3786 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
3789 * gcov.c (print_usage): Likewise.
3791 * genattr.c (fatal, fancy_abort): Likewise.
3793 * genattrtab.c (fatal, fancy_abort): Likewise.
3795 * gencodes.c (fatal, fancy_abort): Likewise.
3797 * genconfig.c (fatal, fancy_abort): Likewise.
3799 * genemit.c (fatal, fancy_abort): Likewise.
3801 * genextract.c (fatal, fancy_abort): Likewise.
3803 * genflags.c (fatal, fancy_abort): Likewise.
3805 * genopinit.c (fatal, fancy_abort): Likewise.
3807 * genoutput.c (fatal, fancy_abort): Likewise.
3809 * genpeep.c (fatal, fancy_abort): Likewise.
3811 * genrecog.c (fatal, fancy_abort): Likewise.
3813 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
3814 __sjpopnthrow, __throw): Likewise.
3816 * objc/objc-act.c (objc_fatal): Likewise.
3818 * protoize.c (usage, aux_info_corrupted,
3819 declare_source_confusing): Likewise.
3821 * rtl.c (dump_and_abort): Likewise.
3823 * rtl.h (sets_cc0_p): Likewise.
3825 * toplev.c (float_signal, pipe_closed): Likewise.
3827 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3829 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
3830 when generating the decision tree for the general case.
3832 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
3833 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
3835 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3837 * Makefile.in (sched.o): Depend on recog.h.
3839 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
3840 (unsigned) when comparing against one.
3841 (find_base_value): Likewise.
3842 (record_base_value): Cast variable `regno' to (unsigned) when
3843 comparing against one. Cast the result of REGNO() macro to
3844 (unsigned) when comparing against one.
3845 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
3847 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
3848 variable where an unsigned index is needed.
3850 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
3851 before comparing against one.
3853 * collect2.c: Add prototypes for functions `error', `fatal' and
3854 `fatal_perror'. Make these functions take variable arguments
3855 instead of faking it with a fixed number of args.
3856 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
3859 * combine.c (can_combine_p): Mark parameter `pred' with
3861 (find_split_point): Cast variable `src' to (unsigned
3862 HOST_WIDE_INT) when comparing against one.
3863 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
3864 (simplify_logical): Likewise.
3865 (force_to_mode): Cast result of INTVAL() macro to (unsigned
3866 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
3867 HOST_WIDE_INT) in shift.
3868 (simplify_and_const_int): Cast result of INTVAL() macro to
3869 `unsigned HOST_WIDE_INT' when comparing against one.
3870 (merge_outer_ops): Cast variable const0 to `unsigned
3871 HOST_WIDE_INT' when comparing against the result of
3872 GET_MODE_MASK() macro.
3873 (simplify_comparison): Likewise for variable `c0'. Cast variable
3874 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
3875 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
3876 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
3877 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
3878 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
3879 comparing against one.
3880 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
3882 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
3883 macro to `unsigned HOST_WIDE_INT' when comparing against one.
3884 (output_block_move): Cast `sizeof' expression to (int) when
3885 comparing against one.
3886 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
3888 (save_restore_insns): Cast `base_offset' to `long' to match format
3889 specifier in fprintf.
3891 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
3892 to `enum machine_mode'.
3894 * flow.c (life_analysis_1): Remove unused variable `insn'.
3896 * gcc.c (translate_options): Move variables `j' and `k' into the
3897 scope in which they are used. Change their types to `size_t'.
3898 (set_spec): Cast the argument of ctype macro to `unsigned char'.
3899 (read_specs): Likewise.
3900 (process_command): Cast `sizeof' to (int) when comparing against one.
3901 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
3902 (handle_braces): Cast both sides of `==' expression to `long' to
3903 ensure sign matching.
3904 (main): Cast variable `i' to `int' when comparing against one.
3906 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
3907 int to size_t. Cast variable `i' to size_t when comparing against
3910 * genattrtab.c (convert_set_attr_alternative): Remove unused
3911 parameter `insn_code'. All callers changed.
3912 (convert_set_attr): Likewise.
3914 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
3915 size_t when comparing against one. Likewise for variable `len'.
3917 * global.c (global_alloc): Cast variable `max_regno' to size_t
3918 when comparing against one. Likewise for variable `max_allocno'.
3920 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
3922 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
3923 `set' with ATTRIBUTE_UNUSED.
3924 (find_free_reg): Cast `sizeof' expression to (int) when comparing
3927 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
3928 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
3929 (get_condition): Cast variable `const_val' to `unsigned
3930 HOST_WIDE_INT' when comparing against one. Cast unsigned
3931 expression to HOST_WIDE_INT when comparing against one.
3932 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
3933 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
3934 `unsigned' when comparing against one.
3936 * protoize.c (is_id_char): Change type of parameter `ch' to
3938 (munge_compile_params): Cast argument of ctype macro to (const
3940 (process_aux_info_file): Cast variable `aux_info_size' to int when
3941 comparing against one.
3942 (forward_to_next_token_char): Cast argument of ctype macro to
3943 `const unsigned char'.
3944 (edit_formals_lists): Likewise.
3945 (find_rightmost_formals_list): Likewise.
3946 (add_local_decl): Likewise.
3947 (add_global_decls): Likewise.
3948 (edit_fn_definition): Likewise.
3949 (do_cleaning): Likewise.
3950 (scan_for_missed_items): Likewise.
3951 (edit_file): Cast variable `orig_size' to (int) when comparing
3953 (main): Cast argument of ctype macro to `const unsigned char'.
3955 * recog.c (const_int_operand): Mark parameter `mode' with
3958 * regclass.c (record_reg_classes): Change type of variable `c' to
3959 `unsigned char'. Cast `char' array index to `unsigned char'.
3961 * reload.c (push_secondary_reload): Cast argument to
3962 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
3964 * reload1.c (calculate_needs): Cast `char' array index to
3966 (set_label_offsets): Change type of variable `i' to unsigned int.
3967 Cast result of XVECLEN() macro to unsigned when comparing against
3969 (mark_not_eliminable): Change type of variable `i' to unsigned.
3970 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
3971 when comparing against one.
3972 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
3973 comparing against one.
3974 (choose_reload_regs): Hide unused label `fail'.
3975 (reload_cse_simplify_operands): Cast `char' array index to
3977 (reload_combine_note_store): Mark parameter `set' with
3978 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
3980 (reload_cse_move2add): Remove unused variable `src2'.
3982 * sched.c: Include recog.h.
3983 (sched_note_set): Remove unused parameter `b'. All callers
3985 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
3986 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
3987 when comparing against one.
3989 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
3990 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
3991 comparing against one.
3993 * unroll.c (precondition_loop_p): Remove unused parameter
3994 `loop_end'. All callers changed.
3996 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3998 * reload1.c (maybe_fix_stack_asms): New static function.
4001 * reload.h (compute_use_by_pseudos): Declare.
4003 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
4004 (something_needs_reloads): Delete variable.
4005 (finish_spills): New function.
4006 (compute_use_by_pseudos): New function.
4008 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
4009 Use the reload_insn_chain instead of walking the rtl directly.
4011 (reload): Allocate and free spilled_pseudos.
4012 Ensure that all calls of spill_hard_reg are followed by a call to
4014 Use the insns_need_reload list instead of something_needs_reloads
4015 to find out if reload_as_needed must be called.
4016 Clear unused_insn_chains at the end.
4018 (calculate_needs_all_insns): Lose FIRST parameter. All callers
4020 Delete code to keep track of current basic block.
4021 Walk reload_insn_chain instead of the rtl structure. Build the
4022 insns_need_reload chain.
4023 Remember which insns need reloading/elimination by setting the
4024 appropriate fields in struct insn_chain, not by putting modes on the
4027 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
4028 arg INSN. All callers changed.
4029 Delete declaration of struct needs.
4030 Don't set something_needs_reloads.
4031 Record insn needs in the CHAIN argument.
4033 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
4035 (reload_as_needed): Lose FIRST arg. All callers changed.
4036 Walk the reload_insn_chain instead of the rtx structure.
4037 Delete code to keep track of current basic block.
4038 Rename one of the NEXT variables to OLD_NEXT.
4040 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
4042 (choose_reload_regs): Likewise.
4044 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
4047 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
4048 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
4049 (hard_regs_live, hard_regs_need_restore): Delete variables.
4050 (n_regs_saved): Now static.
4051 (referenced_regs, this_insn_sets): New variables.
4053 (setup_save_areas): Restructure the code a bit.
4055 (restore_referenced_regs): Delete function.
4056 (mark_referenced_regs): New function, similar to the old
4057 restore_referenced_regs, but mark registers in referenced_regs.
4059 (clear_reg_live): Delete function.
4060 (mark_set_regs): Renamed from set_reg_live. All callers changed.
4061 Only mark registers in this_insn_sets.
4063 (save_call_clobbered_regs): Rework this function to walk the
4064 reload_insn_chain instead of using the list of instructions directly.
4065 Delete code to keep track of register lives, compute live regs on the
4066 fly from information in the chain.
4067 Instead of calling restore_referenced_regs, use mark_referenced_regs,
4068 then walk the set it computes and call insert_restore as appropriate.
4070 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
4072 Restructure the code a bit. Test hard_regs_saved instead of
4073 hard_regs_need_restore.
4074 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
4075 args. All callers changed.
4076 Restructure the code a bit. Use TO_SAVE to determine which regs to
4077 save instead of more complicated test.
4078 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
4080 Create a new insn_chain structure for the new insn and place it
4083 * rtl.texi: Update documentation to reflect that reload no longer
4084 puts modes on the insns.
4086 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4088 * function.c (purge_addressof_1): Force the first argument of a
4089 CALL insn to memory.
4091 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
4093 * rtl.h: Delete duplicate prototypes. Add some missing
4095 * rtlanal.c: (for_each_rtx): Formatting tweak.
4097 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4099 * real.c (emdnorm and etoasc): Disable round to even for c4x target
4100 to be compatible with TI compiler.
4102 * Makefile.in (USER_H): Add va-c4x.h to definition.
4104 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
4106 * function.c (purge_addressof_1): Fix typo in inequality: do
4107 bitfield optimization for equal mode sizes.
4108 * expmed.c (store_bit_field): Don't take subregs of subregs in
4109 the movstrict case. Tidy a potential problem in the multi-word case.
4110 (extract_bit_field): Likewise.
4112 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4114 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
4116 Compute max_uid_for_flow by calling get_max_uid after the scan.
4117 (find_basic_blocks_1): Don't emit NOPs here.
4119 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
4121 * alias.c (base_alias_check): Accept new args for the modes of the
4122 two references. Use them to determine if an AND can overlap. Update
4124 (memrefs_conflict_p): Assume sizes are aligned, and uses them
4125 to determine if an AND can overlap.
4127 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
4129 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
4130 check. Add comment to document problems with TARGET_SUN_FPA version
4132 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
4134 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4136 * Makefile.in (gencheck.o): Depend on gansidecl.h.
4138 * c-common.c (print_char_table): Add missing initializers.
4139 (scan_char_table): Likewise.
4140 (time_char_table): Likewise.
4142 * c-decl.c (c_decode_option): Mark parameter `argc' with
4144 (declare_parm_level): Mark parameter `definition_flag' with
4147 * c-lex.c (readescape): Use `(unsigned)1' in shift.
4148 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
4151 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
4153 (emit_call_1): Mark parameters `fndecl' and `funtype' with
4155 (expand_call): Cast result of MIN() to (unsigned int) when
4156 comparing against an unsigned value.
4158 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
4160 (make_definition): Remove unused parameter `op'. All callers
4162 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
4163 comparing against the result of pointer arithmetic.
4165 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
4166 when comparing against one.
4168 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
4169 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
4171 (output_die): Move variable `i' into the scope in which it is
4172 used. Change its type to `unsigned'.
4173 (output_die): Cast the result of `strlen' to (int) when passing it
4174 to ASM_OUTPUT_ASCII().
4175 (output_pubnames): Likewise.
4176 (output_line_info): Likewise.
4178 * emit-rtl.c (global_rtl): Add missing initializers.
4180 * explow.c (promote_mode): Mark parameter `for_call' with
4183 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
4184 `unsigned HOST_WIDE_INT' when comparing against one.
4185 (synth_mult): Change type of variable `cost' to int.
4186 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
4188 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
4189 when comparing against one.
4190 (get_inner_reference): Change variable `alignment' to unsigned.
4191 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
4192 int) when comparing against one.
4193 (expand_builtin_setjmp): Change type of variable `i' to size_t.
4195 * fold-const.c (div_and_round_double): Cast BASE to
4196 (HOST_WIDE_INT) when comparing against one.
4198 * gencheck.c: Include gansidecl.h.
4199 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
4201 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
4202 `tcode' with ATTRIBUTE_UNUSED.
4204 * real.c (edivm): Cast constant value to (unsigned long) in
4205 expression compared against an unsigned value.
4207 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
4208 comparing against one.
4209 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
4210 when comparing against one.
4212 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
4213 (unsigned int) when comparing against one. Likewise for
4215 (smallest_mode_for_size): Likewise.
4216 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
4217 (restore_storage_status): Likewise.
4219 * toplev.c (debug_args): Add missing initializer.
4220 (f_options): Spelling correction. Add missing initializers.
4221 (documented_lang_options): Likewise.
4222 (debug_end_source_file): Mark parameter `lineno' with
4225 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
4226 `decl' and `type' with ATTRIBUTE_UNUSED.
4228 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
4229 when comparing against one.
4230 (assemble_variable): Mark parameter `top_level' with
4232 (assemble_external_libcall): Mark parameter `fun' with
4234 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
4237 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
4239 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
4240 Replace use of r5 with use of r19.
4242 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
4244 * config/v850/v850.c (compute_register_save_size): Allow for the
4245 fact that helper functions save all registers, not just those used
4248 Replace constant 31 with macro LINK_POINTER_REGNUM.
4250 * config/v850/v850.md: Use 'indirect_operand' rather than
4251 'memory_operand' for bit test/set/clear patterns.
4253 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
4255 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
4256 * varasm.c (assemble_start_function et al): Don't call
4257 ASM_GLOBALIZE_LABEL for weak symbols.
4259 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
4261 * cse.c (equiv_constant): Check for NULL return from
4262 gen_lowpart_if_possible().
4264 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
4266 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
4268 * collect2.c (main): Pass -EL/-EB through to the compiler.
4270 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4272 * expr.c (push_block): Handle targets where the stack grows
4273 to higher addresses, but args grow to lower addresses and
4274 ACCUMULATE_OUTGOING_ARGS is not defined.
4276 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
4278 * config/v850/v850.c (print_operand): Extend meaning
4279 of 'c' operands to support .vtinherit.
4281 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4283 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
4284 Added ATTRIBUTE_UNUSED to unused function arguments.
4285 (rc_reg_operand): New predicate.
4286 (c4x_rptb_insert): New function.
4287 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
4288 (c4x_optimization_options): New function.
4290 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
4291 (decrement_and_branch_on_count): New pattern.
4292 (rptb_top): Modified pattern to work with BCT optimization.
4294 * config/c4x/c4x.h (RC_REG): New register class.
4295 (rc_reg_operand): Define prototype.
4296 (IS_RC_REG): New macro.
4297 (IS_RC_OR_PSEUDO_REG): New macro.
4298 (IS_RC_OR_PSEUDO_REGNO): New macro.
4299 (OPTIMIZATION_OPTIONS): Define.
4301 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
4303 * collect2.c (extract_init_priority): No priority is 65535.
4305 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4307 * Makefile.in (build_tooldir): new variable, same as old
4308 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
4309 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
4310 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
4312 * configure.in (gxx_include_dir): set default based on unlibsubdir
4313 * Makefile.in (tooldir): ditto
4314 (cccp.o, cpplib.o): use unlibsubdir implicitly through
4315 gxx_include_dir, includedir and tooldir
4316 (protoize.o, unprotoize.o): ditto
4318 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
4320 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
4322 * config/arm/thumb.c (thumb_override_options): Add warning about
4323 PIC code not being supported just yet.
4325 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
4327 * flow.c: Update comment.
4328 (notice_stack_pointer_modification): New static function.
4329 (record_volatile_insns): Use it.
4330 (mark_regs_live_at_end): Mark the stack pointer as alive
4331 at the end of the function if current_function_sp_is_unchanging
4333 (life_analysis_1): Set current_function_sp_is_unchanging.
4334 * function.c: Define it.
4335 (init_function_start): Initialize it.
4336 * output.h: Declare it.
4337 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
4338 the stack pointer as alive at the end of the function if
4339 current_function_sp_is_unchanging is set.
4340 * i386.c (ix86_epilogue): Optimize the restoring
4341 of the stack pointer.
4343 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
4345 * version.c: Bump for snapshot.
4347 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
4349 * c-pragma.c (handle_pragma_token): If passed a token instead
4350 of a tree, use that as the pack value.
4352 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
4354 * flow.c (find_basic_blocks_1): Fix prototype.
4356 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
4358 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
4359 (struct tree_decl): New fields no_check_memory_usage.
4360 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
4361 (init_attributes): Register it as a new attribute.
4362 (decl_attributes): Set flags on functions given that attribute.
4363 * c-decl.c (duplicate_decls): Merge new attribute.
4364 * expr.h (current_function_check_memory_usage): Declare new var.
4365 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
4366 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
4367 current_function_check_memory_usage.
4368 * function.h: Add field to struct function.
4369 * function.c (current_function_check_memory_usage): Define it.
4370 (push_function_context_to, pop_function_context_from): Save and
4372 (expand_function_start): Set it, based on global flag and function
4375 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4376 check non-automatic variables, to permit detection of writes to
4377 read-only locations in embedded systems without memory management.
4378 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4379 when emitting chkr_set_right_libfunc call, even if the argument is
4380 BLKmode or variable-sized; don't abort.
4382 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
4383 symbols in Pmode, not VOIDmode.
4385 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4387 * cppexp.c: When forcing unsigned comparisons, cast both sides
4390 * cpphash.h: Move static declaration of hashtab[]...
4391 * cpphash.c: ...here.
4393 * cpplib.c: Cast difference of two pointers to size_t before
4394 comparing it to size_t. Cast signed to unsigned
4395 before comparing to size_t. (FIXME: struct argdata should use
4396 unsigned buffer sizes.)
4397 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
4398 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
4399 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
4400 size_t before comparison.
4402 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
4404 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
4405 (find_basic_blocks_1): Similarly.
4406 * output.h (find_basic_blocks): Fix prototype.
4407 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
4408 find_basic_blocks anymore.
4410 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
4412 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
4413 (sbitmap_free, sbitmap_vector_free): New macros.
4414 * output.h (rtl_dump_file): Declare.
4416 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
4418 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
4420 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4422 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
4424 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
4425 (divide): Remove unused variable `tmp'.
4426 (si_to_float): Cast numeric constant to (SItype) before comparing
4429 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
4431 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
4432 * gcc.c (add_preprocessor_option): Correct typo when allocating
4433 memory, sizeof() argument had one too many `*'.
4434 (add_assembler_option): Likewise.
4435 (add_linker_option): Likewise.
4436 * gcov.c (output_data): Likewise.
4437 * local-alloc.c (memref_used_between_p): Likewise.
4438 (update_equiv_regs): Likewise.
4439 * loop.c (strength_reduce): Likewise.
4440 * reg-stack.c (record_asm_reg_life): Likewise.
4441 (subst_asm_stack_reg): Likewise.
4442 * reorg.c (dbr_schedule): Likewise.
4444 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4446 * flow.c (life_analysis_1): Break out some functions.
4447 (find_basic_blocks_1): Likewise. Also move some variables out and
4449 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
4450 new static var nonlocal_label_list with it.
4451 (active_eh_region, nested_eh_region, label_value_list,
4452 nonlocal_label_list): New static variables.
4453 (make_edges, delete_unreachable_blocks, delete_block): New static
4454 functions, broken out of find_basic_blocks_1.
4455 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
4456 noop_move_p): New static functions, broken out of life_analysis_1.
4458 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
4460 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
4461 Take extra care for op0 now possibly being a subreg.
4462 (extract_bit_field): Likewise.
4463 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
4464 the reg to memory if there is no equal sized integral mode.
4465 * stor-layout.c (int_mode_for_mode): New function.
4466 * machmode.h: Prototype it.
4468 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
4470 * global.c (build_insn_chain): Verify no real insns exist past the
4471 end of the last basic block, then exit the loop.
4473 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4475 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
4477 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
4479 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
4481 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
4483 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
4485 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
4487 * flow.c (find_basic_blocks): Correctly determine when a call
4488 is within an exception region.
4490 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
4492 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
4494 * cpplib.h: Protect from multiple inclusions.
4495 * cpplib.c: Fix minor formatting problems.
4497 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
4499 * jump.c (jump_optimize): Revert accidental patch.
4501 * Makefile.in (cpplib.o): Use unlibsubdir.
4503 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
4505 * loop.c (get_condition): Allow combine when either compare is
4508 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
4510 * version.c: Bump for snapshot.
4512 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
4514 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
4515 (init_lex): Initialize ridpointers[RID_BYREF].
4516 * c-lex.h (enum rid): Add RID_BYREF.
4517 * c-parse.gperf: Add RID_BYREF as a type qualifier.
4518 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
4519 (encode_type_qualifiers): Similarly
4520 * c-gperf.h: Rebuilt.
4522 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
4524 * c-common.c (type_for_mode): Only return TItype nodes when
4525 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4526 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
4527 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4528 (init_decl_processing): Only create TItype nodes when
4529 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4530 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
4531 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4533 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4535 * stmt.c (n_occurrences): New static function.
4536 (expand_asm_operands): Verify that all constrains match in the
4537 number of alternatives.
4538 Verify that '+' or '=' are at the beginning of an output constraint.
4539 Don't allow '&' for input operands.
4540 Verify that '%' isn't written for the last operand.
4541 * reload.c (find_reloads): Abort if an asm is found with invalid
4542 constraints; all possible problems ought to be checked for earlier.
4544 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4546 * flags.h (flag_branch_on_count_reg): Always declare
4547 * toplev.c (flag_branch_on_count_reg): Likewise.
4548 * toplev.c: Fix typos.
4550 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
4553 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
4555 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
4557 (find_basic_blocks_1): Add a nop to the end of a basic block when
4558 a trailing call insn does not have abnormal control flow.
4559 * gcse.c (pre_transpout): New variable.
4560 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
4561 (compute_pre_transpout): Calculate it.
4562 (compute_pre_ppinout): Use it to eliminate impossible placements
4563 due to abnormal control flow through calls.
4564 (compute_pre_data): Call compute_pre_transpout.
4566 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4568 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
4570 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
4572 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
4573 and matching define_insns): Tack on a `use' of the table label, so
4574 flow analysis will recognize a tablejump.
4576 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
4578 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
4579 always end basic blocks for abnormal edge reasons.
4581 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
4583 * config/i386/i386.h: Remove definition of
4584 HANDLE_PRAGMA_PACK_PUSH_POP.
4586 * config/i386/go32.h: Add definition of
4587 HANDLE_PRAGMA_PACK_PUSH_POP.
4589 * config/i386/win32.h: Add definition of
4590 HANDLE_PRAGMA_PACK_PUSH_POP.
4592 * config/i386/cygwin32.h: Add definition of
4593 HANDLE_PRAGMA_PACK_PUSH_POP.
4595 * c-pragma.c (insert_pack_attributes): Do not insert
4596 attributes unless #pragma pack(push,<n>) is in effect.
4598 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
4600 * expr.c (emit_group_store): Handle a PARALLEL destination.
4602 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
4604 * gcse.c (pre_insert_insn): When a call ends a bb, insert
4605 the new insns before the argument regs are loaded.
4607 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4609 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
4610 (c-parse.gperf): Update comments describing invocation flags.
4611 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
4613 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
4615 * reload1.c (reload): Call free before clobbering the memory
4616 locations or constants pointers.
4618 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4620 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
4621 for efficiency by checking whether we need to modify the current
4622 stack permission at all.
4623 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
4624 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
4625 __enable_execute_stack libcall here too if
4626 TRANSFER_FROM_TRAMPOLINE is defined.
4627 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
4630 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
4632 * Makefile.in (DRIVER_DEFINES): Remove last change.
4634 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4636 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
4637 insns we're going to copy.
4638 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
4640 * loop.c (count_one_set): Add prototype.
4642 * caller-save.c (restore_referenced_regs): Lose mode argument.
4643 (insert_save): Lose mode argument.
4644 (insert_restore): Lose mode argument.
4645 (insert_one_insn): Lose mode argument.
4646 (save_call_clobbered_regs): Lose mode argument.
4647 (setup_save_areas): Take no argument and return void. All callers
4649 Don't verify validity of memory addresses.
4650 * reload.h (setup_save_ares): Adjust prototype.
4651 (save_call_clobbered_regs): Likewise.
4652 * reload1.c (delete_caller_save_insns): New function.
4653 (caller_save_spill_class): Delete variable.
4654 (caller_save_group_size): Delete variable.
4655 (reload): Call setup_save_areas and save_call_clobbered_regs
4656 in the main loop, before calling calculate_needs_all_insns.
4657 Don't call save_call_clobbered_regs after the loop.
4658 Call delete_caller_save_insns at the end of an iteration if
4660 Delete code to manage caller_save_spill_class.
4661 Emit the final note before setting reload_first_uid.
4662 Simplify test that determines whether reload_as_needed gets run.
4663 (calculate_needs): Delete code to manage caller_save_spill_class.
4665 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
4667 * collect2.c (main): Initialize ld_file_name.
4669 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
4671 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
4672 check for flag_function_sections.
4674 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4676 * cse.c (insert_regs): Fix bug in Sep 24 change.
4678 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4680 * flags.h (flag_dump_unnumbered): Declare.
4681 * toplev.c (flag_dump_unnumbered): Don't declare.
4682 * print-rtl.c (flags.h): Include.
4683 (print_rtl_single): Add return value.
4684 * rtl.h (print_rtl_single): Update declaration.
4685 * flow.c (flag_dump_unnumbered): Don't declare.
4686 (print_rtl_with_bb): Use return value of print_rtl_single.
4688 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4690 * loop.c (count_one_set): New static function, broken out of
4692 (count_loop_regs_set): Call it.
4693 * global.c (mark_reg_store): Handle clobbers here by not calling
4695 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
4696 is in fact a clobber.
4697 * integrate.c (process_reg_param): New function, broken out of
4698 expand_inline_function.
4699 (expand_inline_function): Call it.
4702 * i386.md (addsidi3_1): Delete unused variable temp.
4703 (addsidi3_2): Likewise.
4704 (clstrstrsi): Delete unused variable addr1.
4706 * rtl.h: Don't declare any functions also declared in recog.h.
4708 * Makefile.in (stupid.o): Update dependencies.
4709 (global.o): Likewise.
4711 * global.c: Include reload.h
4712 (reg_becomes_live): New function.
4713 (reg_dies): New function.
4714 (build_insn_chain): New function.
4715 (global_alloc): Call build_insn_chain before calling reload.
4717 * reload.h (struct needs): New structure definition.
4718 (struct insn_chain): Likewise.
4719 (reload_insn_chain): Declare variable.
4720 (new_insn_chain): Declare function.
4723 * reload1.c (reload_startobj): New variable.
4724 (reload_insn_chain): New variable.
4725 (unused_insn_chains): New variable.
4726 (new_insn_chain): New function.
4727 (init_reload): Initialize reload_startobj, not reload_firstobj.
4728 (reload): Initialize reload_firstobj.
4729 Before returning, free everything on the reload_obstack.
4731 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
4732 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
4733 current_chain): New variables.
4734 (reg_where_born): Delete variable.
4735 (REG_WHERE_BORN): New macro.
4736 (find_clobbered_regs): New function.
4737 (stupid_life_analysis): Don't allocate/free reg_where_born.
4738 Allocate and free reg_where_born_exact, reg_where_born_clobber,
4739 reg_where_dead_chain.
4740 Use REG_WHERE_BORN instead of reg_where_born.
4741 While processing the insns, build the reload_insn_chain with
4742 information about register lifetimes.
4743 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
4744 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
4746 Compute and information about birth and death of pseudo registers in
4747 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
4748 Delete code to set elements of reg_where_born.
4750 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4752 * tree.def (GOTO_EXPR): Modified documentation.
4753 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
4756 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
4758 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
4759 loop_final_value, loop_comparison_code): No longer static.
4760 (unroll_loop): Delete loop_start_value update.
4761 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
4762 loop_final_value, loop_comparison_code): Extern.
4763 (loop_start_value): Delete extern.
4764 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
4765 loop_comparison_value, loop_comparison_code): Delete.
4766 (loop_optimize): Remove initialization for deleted variables.
4767 (strength_reduce): Delete analyze_loop_iterations call. Only call
4768 insert_bct if flag_branch_count_on_reg set.
4769 (analyze_loop_iterations): Delete.
4770 (insert_bct): Remove iteration count calculation. Move checks for
4771 viable BCT optimization to here. Obtain iteration count from
4772 loop_iterations and correct for unrolling. Check for enough
4773 iteration to be beneficial. Comment out runtime iteration count
4775 (insert_bct): Print iteration count in dump file. Remove
4776 loop_var_mode and use word_mode directly.
4778 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
4779 * rs6000.c (rs6000_override_options): Use it.
4780 (optimization_options): Enable use of flag_branch_on_count_reg.
4781 * rs6000.md (define_function_unit): Describe 604e.
4783 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4785 * loop.c (move_movables): Corrected threshold calculation for
4786 moved_once registers.
4788 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4790 * loop.c (combine_givs_p): Fix test for identical givs.
4792 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
4794 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
4795 call abort if the function is already defined.
4797 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
4799 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
4800 truncation is not a no-op.
4802 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
4804 * version.c: Bump for snapshot.
4806 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
4808 * version.c: Bump for snapshot.
4810 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
4812 * expmed.c (expand_divmod): Don't widen for computing remainder
4813 if we seem to have a divmod pattern for needed mode.
4815 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4817 * cpplib.c (macroexpand): Correct off-by-one error in handling
4820 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
4822 * combine.c (expand_field_assignment): Don't do bitwise operations
4823 on MODE_FLOAT; pun to MODE_INT if possible.
4825 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
4826 scott snyder <snyder@d0sgif.fnal.gov>
4828 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
4829 linker. Recognize mangled names in quotes.
4831 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4833 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
4834 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
4835 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
4836 (lshrsi3_extend, lshrsi3_extend2): Ditto.
4838 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4840 * function.c (purge_addressof_1): If trying to take a sub-word
4841 integral piece of a floating point mode, put it on the stack.
4843 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
4845 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
4847 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
4849 * PROJECTS: Remove template friends.
4851 * collect2.c (sort_ids): Remove unused variable.
4853 * tm.texi (MATH_LIBRARY): Document.
4854 (NEED_MATH_LIBRARY): Remove.
4856 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
4857 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
4859 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
4861 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
4862 last_end to 0x7fffffff.
4864 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4866 * function.c (purge_addressof_1): Do not perform endianness
4867 corrections on bitpos, who we call will do it for us.
4869 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
4871 * h8300.c (WORD_REG_USED): Fix typo.
4872 (initial_offset): Use WORD_REG_USED.
4874 * h8300.c (handle_pragma): Fix typo.
4876 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4878 * caller-save.c (insert_save_restore): Break this function up
4879 into new functions insert_restore, insert_save and insert_one_insn.
4880 All callers changed.
4881 (insert_restore): New function, mostly broken out of
4882 insert_save_restore.
4883 (insert_save): Likewise.
4884 (insert_one_insn): Likewise.
4885 (restore_referenced_regs): New argument BLOCK. All callers changed.
4886 (save_call_clobbered_regs): Don't keep track of basic block boundaries
4887 in this function, do it in insert_one_insn instead.
4889 * reload1.c (reload): Break out some more pieces into separate
4891 (dump_needs): New function, broken out of reload.
4892 (set_initial_elim_offsets): Likewise.
4893 (init_elim_table): Likewise.
4894 (update_eliminables): Likewise.
4896 * global.c (global_alloc): Delete code to manage the scratch_list.
4897 * local-alloc.c (qty_scratch_rtx): Delete.
4898 (scratch_block): Delete.
4899 (scratch_list): Delete.
4900 (scratch_list_length): Delete.
4901 (scratch_index): Delete.
4902 (alloc_qty_for_scratch): Delete.
4903 (local-alloc): Update initialization of max_qty.
4904 Delete code to manage the scratch list.
4905 Delete code to allocate/initialize qty_scratch_rtx.
4906 (block_alloc): Don't allocate quantities for scratches.
4907 Delete code to manage the scratch list.
4908 * regs.h (scratch_list): Delete declaration.
4909 (scratch_block): Delete declaration.
4910 (scratch_list_length): Delete declaration.
4911 * reload1.c (reload): Delete code to manage the scratch list.
4912 (spill_hard_reg): Likewise.
4913 (mark_scratch_live): Delete.
4915 * recog.c (alter_subreg): Delete declaration.
4917 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
4919 * Makefile.in (cccp.o): Fix typo in last patch.
4921 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4923 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
4924 * config/sh/lib1funcs.asm (___set_fpscr): Add.
4926 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
4928 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
4929 NULL_RTX as an argument.
4931 * Makefile.in (unlibsubdir): Define.
4932 (DRIVER_DEFINES): Use unlibsubdir.
4933 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
4934 (stmp-fixinc): Similarly.
4936 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4938 * regmove.c (regmove_optimize): Add variable old_max_uid.
4939 At the end of the function, update basic_block_end.
4941 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4943 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
4944 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
4947 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
4949 * config/arm/arm.c: Improve interworking support.
4951 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4953 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
4954 copied from reload_out[r] .
4956 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
4958 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
4959 with more than three size ranges.
4961 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
4963 * rtl.c (mode_name): Add a null string at the end of the array.
4964 (mode_wider_mode): Change type to unsigned char.
4965 (mode_mask_array): New variable.
4966 (init_rtl): Update for mode_wider_mode type change.
4968 * rtl.h (mode_wider_mode): Change type to unsigned char.
4969 (mode_mask_array): Declare.
4970 (GET_MODE_MASK): Use mode_mask_array.
4972 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
4974 * calls.c (expand_call) : Encapsulate code into
4975 copy_blkmode_from_reg.
4976 * expr.c (copy_blkmode_from_reg): New function.
4977 * expr.h (copy_blkmode_from_reg): New function.
4978 * integrate.c (function_cannot_inline_p): We can inline
4980 (expand_inline_function): Use copy_blkmode_from_reg
4981 if needed. Avoid creating BLKmode REGs.
4982 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
4985 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
4987 * config/v850/v850.c: Add function prototypes.
4988 Add support for v850 special data areas.
4990 * config/v850/v850.h: Add support for v850 special data areas.
4992 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
4993 HANDLE_PRAGMA_PACK_PUSH_POP.
4994 (push_alignment): New function: Cache an alignment requested
4995 by a #pragma pack(push,<n>).
4996 (pop_alignment): New function: Pop an alignment from the
4998 (insert_pack_attributes): New function: Generate __packed__
4999 and __aligned__ attributes for new decls whilst a #pragma pack
5001 (add_weak): New function: Cache a #pragma weak directive.
5002 (handle_pragma_token): Document calling conventions. Add
5003 support for #pragma pack(push,<n>) and #pragma pack (pop).
5005 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
5006 are defined enable HANDLE_PRAGMA_PACK.
5007 Move 'struct weak_syms' here (from varasm.c).
5008 Add pragma states for push and pop pragmas.
5010 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
5013 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
5014 HANDLE_GENERIC_PRAGMAS.
5016 * varasm.c: Move definition of 'struct weak_syms' into
5018 (handle_pragma_weak): Deleted.
5020 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5022 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5024 * c-decl.c (start_function): Add invocation of
5025 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
5027 * tm.texi: Remove description of non-existant macro
5028 SET_DEFAULT_SECTION_NAME.
5030 (HANDLE_SYSV_PRAGMA): Document.
5031 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
5033 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
5035 * config.sub: Recognize i[34567]86-pc-udk as new target.
5036 * configure.in: Likewise.
5037 * config/i386/t-udk: New file.
5038 * config/i386/udk.h: New file.
5040 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
5042 * reorg.c (check_annul_list_true_false): Remove unused variables.
5043 (steal_delay_list_from_target): Add missing "used_annul" variable.
5044 (try_merge_delay_insns): Close out half formed comment.
5046 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5048 * cpplib.c (macroexpand): If arg->raw_before or
5049 arg->raw_after, remove any no-reexpansion escape at the
5050 beginning of the pasted token. Correct handling of whitespace
5051 markers and no-reexpand markers at the end if arg->raw_after.
5053 * toplev.c (documented_lang_options): Recognize -include,
5054 -imacros, -iwithprefix, -iwithprefixbefore.
5055 * cpplib.c (cpp_start_read): Process -imacros and -include
5056 switches at the same time and in command-line order, after
5057 initializing the dependency-output code. Emit properly nested
5058 #line directives for them. Emit a #line for the main file
5059 before processing these switches, and don't do it again
5062 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
5064 * function.c (purge_addressof_1): Use bitfield manipulation
5065 routines to handle mem mode < reg mode.
5067 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5069 * reorg.c (try_merge_delay_insns): Account for resources referenced
5070 in each instruction in INSN's delay list before trying to eliminate
5071 useless instructions. Similarly when looking at a trial insn's delay
5074 * reorg.c (check_annul_list_true_false): New function.
5075 (steal_delay_list_from_{target,fallthrough}): Call it and also
5076 refine tests for when we may annul if already filled a slot.
5077 (fill_slots_from_thread): Likewise.
5078 (delete_from_delay_slot): Return newly-created thread.
5079 (try_merge_delay_isns): Use its new return value.
5081 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
5083 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
5084 used to compute a giv or as some other non-counting use.
5086 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5088 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
5089 * local-alloc.c (find_free_reg): Use it.
5090 * global.c (find_reg): Likewise.
5091 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
5093 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
5094 * caller-save.c (init_caller_save): Use it.
5095 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
5097 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5099 * configure.in: Add --enable-cpplib option which uses cpplib
5100 for cpp, but doesn't link cpplib into cc1. Make help text
5101 capitalization consistent.
5102 * configure: Rebuilt.
5104 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
5106 * function.c (gen_mem_addressof): If the address REG is
5107 REG_USERVAR_P make the new REG be so also.
5108 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
5109 in an attempt to clarify slightly.
5111 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
5113 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
5114 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
5116 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
5118 * toplev.c: Fix last patch.
5120 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
5122 * loop.c (get_condition): Fix typo in May 9 change.
5124 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5126 * invoke.texi (-fexceptions): Merge 2 different descriptions.
5128 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5130 * toplev.c (documented_lang_options): Spelling corrections.
5132 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5134 * configure.in: new flags --with-ld and --with-as, equivalent
5135 to setting LD and AS environment variables. Test whether
5136 specified arguments are GNU commands, and report them with
5137 checking messages. Use the specified AS for configure
5140 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
5142 * gcc.c (find_a_file): when looking for `as' and `ld', return
5143 the DEFAULT program if it exists
5144 * collect2.c (main): use DEFAULT_LINKER if it exists
5146 * gcc.c (find_a_file): the test for existence of a full
5147 pathname was reversed
5149 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
5151 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
5152 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
5154 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
5156 * tree.h (TYPE_BINFO): Document.
5158 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
5160 * i386-coff.h (dbxcoff.h): Added.
5162 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
5164 * toplev.c: fix bad patch around flag_data_sections.
5166 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
5168 * reload1.c (reload): Use reload_address_index_reg_class and
5169 reload_address_base_reg_class when setting
5170 caller_save_spill_class. (Patch generated by Jim Wilson:
5173 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
5175 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
5176 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
5177 * expr.c (store_field): Add alias_set parameter. Set the
5178 MEM_ALIAS_SET accordingly, if the target is a MEM.
5179 (expand_assignment): Use it.
5180 (store_constructor_field): Pass 0.
5181 (expand_expr): Likewise.
5183 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
5185 * flags.h: Add flag_data_sections.
5186 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
5187 (compile_file): Error if flag_data_sections not supported.
5188 * varasm.c (assemble_variable): Handle flag_data_sections.
5189 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
5190 * config/mips/elf.h: Likewise.
5191 * config/mips/elf64.h: Likewise.
5192 * invoke.texi: Describe -fdata-sections.
5194 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
5196 * invoke.texi (-ffloat-store): Clarify that this option
5197 does not affect intermediate results -- only variables.
5199 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
5201 * cpp.texi: Update for Fortran usage from Craig.
5203 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5205 * rs6000.c (function_arg_boundary): Revert accidental change on
5208 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
5210 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
5211 (output_mi_thunk): Declare.
5213 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
5214 (output_function_profiler): Use r12 for temp, instead of r11 so
5215 that we preserve the static chain register.
5217 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
5219 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
5221 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5223 * sh.c (gen_shl_sext): Fix case 5.
5225 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5227 * reload1.c (reload_combine): Re-add line that got accidentally lost.
5229 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5231 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
5232 accessing variables until they are initialized via va_arg().
5234 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5236 * reload1.c (reload_combine): Initialize set before using.
5238 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
5240 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
5243 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
5245 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
5246 operand3 with mask before using it. Patch provided by Jim Wilson.
5248 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5250 * config/sparc/sparc.c (function_value): Perform the equivalent of
5251 PROMOTE_MODE for ARCH64.
5252 (eligible_for_epilogue_delay): Allow DImode operations in delay
5253 slot of a return for ARCH64.
5255 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5257 * sh.md (sqrtsf2): Fix mode of sqrt.
5259 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5261 * reload1.c (choose_reload_regs): Also try inheritance when
5262 reload_in is a stack slot of a pseudo, even if we already got a
5265 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5267 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
5268 (reload_cse_regs): New function body: call reload_cse_regs_1,
5269 reload_combine, reload_cse_move2add.
5270 When doing expensive_optimizations, call reload_cse_regs_1 a
5271 second time after reload_cse_move2add.
5272 (reload_combine, reload_combine_note_store): New functions.
5273 (reload_combine_note_use): New function.
5274 (reload_cse_move2add, move2add_note_store): New functions.
5276 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5278 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
5279 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
5281 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
5282 more than 3 such reloads.
5284 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
5285 RELOAD_FOR_X_ADDR_ADDR reload.
5287 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5289 * expr.c (store_constructor): When initializing a field that is smaller
5290 than a word, at the start of a word, try to widen it to a full word.
5292 * cse.c (cse_insn): When we are about to change a register,
5293 remove any invalid references to it.
5295 (remove_invalid_subreg_refs): New function.
5296 (mention_regs): Special treatment for SUBREGs.
5297 (insert_regs): Don't strip SUBREG for call to mention_regs.
5298 Check if reg_tick needs to be bumped up before that call.
5299 (lookup_as_function): Try to match known word_mode constants when
5300 looking for a norrower constant.
5301 (canon_hash): Special treatment for SUBREGs.
5303 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5305 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
5306 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
5307 defined, emit libcall to __enable_execute_stack. Also fix opcodes
5308 and offsets in actual stack trampoline code so they match the
5309 commentary and actually work.
5311 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5313 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
5315 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
5316 tmake_file. Set extra_parts to needed crt objects.
5317 * configure: Rebuilt.
5318 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
5319 (TARGET_DEFAULT): Set if default is v9 or ultra.
5320 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
5321 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
5322 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
5323 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
5324 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
5325 (TARGET_VERSION): Define.
5326 (MULTILIB_DEFAULT): Define.
5327 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
5328 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
5329 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
5331 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
5332 * config/sparc/sparc.c (sparc_override_options): If arch and
5333 pointer size disagree, emit diagnostic and fix it up. If
5334 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
5335 V8PLUS in 64-bit mode.
5336 * config/sparc/t-linux64: New file.
5337 * config/sparc/t-sol2-64: New file.
5338 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
5339 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
5340 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
5341 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
5342 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
5343 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
5345 (STARTFILE_SPEC): Set approriately based upon those.
5346 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
5347 disposition of DEFAULT_ARCH32_P.
5348 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
5349 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
5350 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
5351 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
5352 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
5354 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
5356 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
5358 * rtl.h (init_virtual_regs): New function.
5359 * emit-rtl.c (init_virtual_regs): Define.
5360 (insn_emit): Use it.
5361 * integrate.c (save_for_inline_copying): Likewise.
5363 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
5365 * config/arm/thumb.h: The following patches were made by Jim Wilson:
5366 (enum reg_class): Add NONARG_LO_REGS support.
5367 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5368 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
5369 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
5370 completes. Re-enable HImode REG+OFFSET addresses.
5371 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5373 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5375 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5377 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5378 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5379 (alpha_align_insns): Properly calculate initial offset wrt max_align.
5381 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
5383 * arm.c (find_barrier): Revert change of Apr 23. Handle table
5384 jumps as a single entity, taking into account the size of the
5387 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5389 * tree.def (SWITCH_EXPR): New tree node definition.
5391 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
5393 * version.c: Bump for snapshot.
5395 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
5397 * version.c: Bump for snapshot.
5399 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
5401 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
5404 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
5406 * Revert this patch.
5407 * reload.c (find_reloads): Do not replace a pseudo with
5408 (MEM (reg_equiv_addr)) in the initializing insn for the
5411 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
5413 * final.c (final_scan_insn): Disable tracking CC across branches.
5415 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5417 * expr.h (eh_rtime_match_libfunc): New extern declaration.
5418 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
5419 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
5420 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
5421 NULL. Only include <stdio.h> if inhibit_libc is not defined.
5423 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
5425 * toplev.c (rest_of_compilation): Skip compiling anything with
5426 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
5428 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
5430 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
5431 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
5432 use in_libcall_block.
5433 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
5434 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
5437 Mon Sep 21 14:02:23 1998
5439 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
5440 typo in no-fancy-math-387 description.
5442 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
5444 * version.c: Bump for snapshot.
5446 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
5448 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
5450 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
5452 * i386.h: (TARGET_SWITCHES) Add description fields for flags
5453 documented in install.texi.
5454 (TARGET_OPTIONS) Likewise.
5456 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
5458 * version.c: Bump for snapshot.
5460 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
5462 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
5463 * cccp.c (main): Likewise.
5465 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
5466 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
5469 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
5471 * Makefile.in (LIBS): Link in libiberty.a.
5472 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
5474 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
5476 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
5477 it to update bb boundaries. Update caller.
5478 * function.c (reposition_prologue_and_epilogue_notes): Update
5479 bb boundaries wrt the moved note.
5481 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
5483 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
5485 * configure: Regenerate.
5487 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
5489 * alpha.c (alpha_sr_alias_set): New variable.
5490 (override_options): Set it.
5491 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
5492 (mode_mask_operand): Fix signed-unsigned comparision warning.
5493 (alpha_expand_block_move): Likewise.
5494 (print_operand): Likewise.
5495 (get_aligned_mem): Use change_address.
5496 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
5497 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
5498 (alphaev4_next_nop, alphaev5_next_nop): New functions.
5499 (alpha_align_insns): Remade from old alphaev5_align_insns
5500 to handle multiple processors.
5501 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
5502 * output.h (label_to_alignment): Prototype.
5504 * tree.c (new_alias_set): New function.
5505 * tree.h (new_alias_set): Declare it.
5506 * c-common.c (c_get_alias_set): Use it.
5508 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
5510 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
5511 to an ABS expr, convert an unsigned input to signed.
5513 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
5515 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
5517 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5519 * configure.in: Add support for c4x targets.
5520 * configure: Rebuilt.
5522 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
5524 * combine.c (distribute_notes): If an insn is a cc0 user, only
5525 delete it if we can also delete the cc0 setter.
5527 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
5529 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
5530 (invert_truthvalue): Enable truthvalue inversion for
5531 floating-point operands if -ffast-math.
5533 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
5535 * configure.in: Disable collect2 for nextstep. Instead use
5537 * configure: Rebuilt.
5538 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
5539 (ENDFILE_SPEC): Define.
5540 (OBJECT_FORMAT_MACHO): Define.
5541 (EH_FRAME_SECTION_ASM_OP): Define.
5542 * crtstuff.c: Handle MACHO.
5544 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
5546 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
5548 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
5550 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
5551 (_fpadd_parts): Get sign right for 0.
5553 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5555 * ginclude/varargs.h: Add support for C4x target.
5556 * ginclude/stdargs.h: Likewise.
5558 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
5560 * alpha.c (alpha_return_addr): SET should be VOIDmode.
5561 (alpha_emit_set_long_const): Rewrite to be callable from reload
5563 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
5564 * alpha.md (movdi): Likewise.
5566 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
5568 * arm.c (add_constant): New parameter address_only, change caller.
5569 Set it non-zero if taking the address of an item in the pool.
5570 (arm_reorg): Handle cases where we need the address of an item in
5573 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
5575 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
5576 memory addresses that are not in standard canonical form.
5578 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
5580 * README.C4X: New file with information about the c4x ports.
5581 * ginclude/va-c4x.h: New file for c4x varargs support.
5582 * config/c4x: New directory with c4x port files.
5584 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
5586 * reload.c (find_reloads): Do not replace a pseudo with
5587 (MEM (reg_equiv_addr)) in the initializing insn for the
5590 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
5592 * toplev.c (rest_of_compilation): Set bct_p on second call to
5594 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
5596 (strength_reduce): Only call analyze_loop_iterations and
5597 insert_bct if bct_p set.
5598 (check_dbra_loop): Fix typo.
5599 (insert_bct): Use word_mode instead of SImode.
5600 (instrument_loop_bct): Likewise. Do not delete iteration count
5601 condition code generation insn. Initialize iteration count before
5603 * rtl.h (loop_optimize): Update prototype.
5605 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
5606 not doubleword aligned.
5608 * rs6000.c (optimization_options): New function.
5609 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
5610 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
5611 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
5612 first; cr1 can be used for FP record condition insns.
5614 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
5616 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
5619 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
5622 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
5624 (block_move_call): New function: Call a library routine to copy a
5626 (m32r_expand_block_move): New function: Expand a "movstrsi"
5627 pattern into a sequence of insns.
5628 (m32r_output_block_move): New function: Expand a
5629 "movstrsi_internal" pattern into a sequence of assembler opcodes.
5630 (m32r_block_immediate_operand): New function: Return true if the
5631 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
5633 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5635 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
5637 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
5639 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5641 * regmove.c (copy_src_to_dest): Check that modes match.
5643 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
5645 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
5647 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
5649 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
5650 narrower than FLOAT_REGS.
5652 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5654 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
5656 * Makefile.in (old_gxx_include_dir): removed
5658 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
5660 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
5663 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
5664 (sh_handle_pragma): Change function arguments to match new
5665 specification for HANDLE_PRAGMA.
5667 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5669 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
5671 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
5672 When generating output, initialize missing struct member to zero.
5674 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5676 * regmove.c (copy_src_to_dest): Don't copy if that requires
5677 (a) new register(s).
5679 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5681 * global.c (reg_allocno): Now static.
5682 * reload1.c (reg_allocno): Delete declaration.
5683 (order_regs_for_reload): Take no arguments. Don't treat regs
5684 allocated by global differently than those allocated by local-alloc.
5686 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
5688 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
5689 condition, fix format strings.
5690 (output_function_epilogue): Likewise.
5692 * m68k/m68k.c: Don't include <stdlib.h> directly.
5694 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
5696 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
5697 mem_first_set, mem_last_set; because 0 can be a CUID.
5698 (oprs_unchanged_p): Use new definition.
5699 (record_last_reg_set_info): Likewise.
5700 (record_last_mem_set_info): Likewise.
5701 (compute_hash_table): Likewise.
5703 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
5705 * rs6000.c (output_epilogue): Handle Chill.
5707 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5708 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5710 * combine.c (make_extraction): If no mode is specified for
5711 an operand of insv, extv, or extzv, default it to word_mode.
5712 (simplify_comparison): Similarly.
5713 * expmed.c (store_bit_field): Similarly.
5714 (extract_bit_field): Similarly.
5715 * function.c (fixup_var_regs_1): Similarly.
5716 * recog.c (validate_replace_rtx_1): Similarly.
5717 * mips.md (extv, extzv, insv expanders): Default modes for most
5718 operands. Handle TARGET_64BIT.
5719 (movdi_uld, movdi_usd): New patterns.
5721 * pa.c (emit_move_sequence): Do not replace a pseudo with its
5722 equivalent memory location unless we have been provided a scratch
5723 register. Similarly do not call find_replacement unless a
5724 scratch register has been provided.
5726 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5728 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
5731 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
5733 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
5734 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
5735 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
5736 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
5737 * c-decl.c (init_decl_processing): Update accordingly.
5738 * expr.c (expand_builtin): Likewise.
5740 * rtl.h (global_rtl): Add cfa entry.
5741 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
5742 (LAST_VIRTUAL_REGISTER): Update.
5743 * emit-rtl.c (global_rtl): Add cfa entry.
5744 (init_emit): Initialize it.
5745 * function.c (cfa_offset): New.
5746 (instantiate_virtual_regs): Initialize it.
5747 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
5748 (expand_function_end): Call expand_eh_return.
5749 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
5751 * except.c (current_function_eh_stub_label): Kill.
5752 (current_function_eh_old_stub_label): Likwise; update all references.
5753 (expand_builtin_set_return_addr_reg): Kill.
5754 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
5755 (expand_builtin_set_eh_regs): Kill.
5756 (eh_regs): Produce a third reg for the actual handler address.
5757 (eh_return_context, eh_return_stack_adjust): New.
5758 (eh_return_handler, eh_return_stub_label): New.
5759 (init_eh_for_function): Initialize them.
5760 (expand_builtin_eh_return, expand_eh_return): New.
5761 * except.h: Update prototypes.
5762 * flow.c (find_basic_blocks_1): Update references to the stub label.
5763 * function.h (struct function): Kill stub label elements.
5765 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
5766 register number is one that would be in the previous window.
5767 Provide a dummy definition for non-windowed targets.
5768 (get_reg_addr): New function.
5769 (get_reg, put_reg, copy_reg): Use it.
5770 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
5771 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
5773 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
5774 (alpha_init_expanders): Initialize it.
5775 (alpha_expand_epilogue): Use it.
5776 * alpha.h: Declare it.
5777 * alpha.md (eh_epilogue): New.
5779 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
5780 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
5782 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
5784 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
5787 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5789 * except.h (struct eh_entry): Add false_label field.
5790 (end_catch_handler): Add prototype.
5791 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
5792 (start_catch_handler): When using old style exceptions, issue
5793 runtime typematch code before continuing with the handler.
5794 (end_catch_handler): New function, generates label after handler
5795 if needed by older style exceptions.
5796 (expand_start_all_catch): No need to check for new style exceptions.
5797 (output_exception_table_entry): Only output the first handler label
5798 for old style exceptions.
5799 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
5800 mechanism into one function, if a runtime matcher is provided.
5802 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5804 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
5806 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
5808 * integrate.c (copy_decl_list): Fix typo.
5810 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5812 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
5815 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
5817 * version.c: Bump for snapshot.
5819 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
5821 * version.c: Bump for snapshot.
5823 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
5825 * version.c: Bump for snapshot.
5827 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5829 * invoke.texi (C Dialect Options): Put back missing @end itemize.
5831 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5833 * configure.in: remove usage of `!' to negate the result of a
5834 command; some common shells do not support it
5836 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5838 * configure.in: in sparc9-sol2 config, use 'if test' not
5840 * configure: Rebuilt.
5842 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
5844 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
5845 (CPP_CPU_DEFAULT_SPEC): Likewise.
5846 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
5847 for arch64 libfuncs.
5849 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
5852 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5854 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
5856 * collect2.c: Don't declare `sys_siglist' here.
5857 (my_strsignal): Prototype and define new function. Use it in
5858 place of `sys_siglist' hacks.
5860 * mips_tfile.c: Likewise.
5862 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
5863 (GCC_NEED_DECLARATIONS): Likewise.
5865 * system.h (strsignal): Prototype it, if necessary.
5866 (sys_siglist): Declare it, if necessary.
5868 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5870 * loop.c (move_movables): While removing insn sequences, preserve
5871 the next pointer of the most recently deleted insn when we skip
5874 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
5876 * objc/config-lang.in: Do not output the name of the selected
5877 thread file when building the front-end. The Makefile for the
5878 runtime library will do this.
5880 * objc/Make-lang.in: Do not build the runtime library or install
5881 the Objective C header files. The Makefile for the runtime
5882 library will do this.
5884 * objc/Makefile.in (all.indirect): Only build the front-end.
5885 (compiler): Rename to `frontend'.
5886 (obj-runtime): Remove target.
5887 (copy-headers): Likewise.
5888 (clean): No need to remove `libobjc.a' any longer.
5890 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
5892 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
5893 supported with -mcpu=xxx.
5895 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5897 * flow.c (mark_set_1): Recognize multi-register structure return
5898 values in CALL insns.
5899 (mark_used_regs): Likewise.
5900 (count_reg_sets_1): Likewise.
5901 (count_reg_references): Likewise.
5902 * rtlanal.c (note_stores): Likewise.
5903 (reg_overlap_mentioned_p): Likewise.
5904 * haifa-sched.c (check_live_1): Likewise.
5905 (update_live_1): Likewise.
5906 (sched_analyze_1): Likewise.
5907 (sched_note_set): Likewise.
5908 (birthing_insn_p): Likewise.
5909 (attach_deaths): Likewise.
5911 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
5914 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
5916 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
5918 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5920 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
5922 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5924 * configure.in: Add check for GAS subsection -1 support.
5925 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
5926 * configure config.in: Rebuilt.
5927 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
5928 SImode is subsection -1 works, else use DImode.
5929 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
5930 subsection -1 works.
5931 * config/sparc/sparc.c (sparc_output_addr_vec,
5932 sparc_output_addr_diff_vec): Use them if defined.
5934 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
5936 * tree.h (DECL_ORIGIN): New macro.
5937 * integrate.c (copy_and_set_decl_abstract_origin): New function.
5938 (copy_decl_list): Use it.
5939 (integrate_parm_decls): Likewise.
5940 (integrate_decl_tree): Likewise.
5941 * dwarf2out.c (decl_ultimate_origin): Simplify.
5942 * dwarfout.c (decl_ultimate_origin): Likewise.
5943 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
5944 (pushdecl): Likewise.
5946 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
5948 * config/rs6000/rs6000.c (output_epilog): Add Java support.
5950 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
5952 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
5954 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
5956 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
5957 empty or has a single entry.
5959 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
5960 before calling reg_to_stack.
5962 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
5964 * alpha.c (alphaev5_insn_pipe): Abort on default case.
5965 (alphaev5_next_group): Swallow CLOBBERs and USEs.
5967 * c-tree.h (warn_long_long): Declare it.
5969 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
5971 * emit-rtl.c (gen_lowpart_common): Disable optimization of
5972 initialized float-int union if the value is a NaN.
5974 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
5976 * c-lex.c (real_yylex): Don't warn about long long constants if
5977 we're allowing long long
5979 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5981 * except.h (current_function_eh_stub_label): Declare.
5982 (current_function_eh_old_stub_label): Declare.
5983 * function.h (struct function): New members eh_stub_label and
5985 * except.c (current_function_eh_stub_label): New variable.
5986 (current_function_eh_old_stub_label): New variable.
5987 (init_eh_for_function): Clear them.
5988 (save_eh_status): Save them.
5989 (restore_eh_status): Restore them.
5990 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
5991 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
5992 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
5993 make an edge from the block that contains it to the block starting
5994 with the label if this label is one of the eh stub labels.
5995 If eh stub labels exist, show they are reachable from the last block
5998 * reload1.c (reload): Break out several subroutines and make some
6000 (calculate_needs_all_insns): New function, broken out of reload.
6001 (calculate_needs): Likewise.
6002 (find_reload_regs): Likewise.
6003 (find_group): Likewise.
6004 (find_tworeg_group): Likewise.
6005 (something_needs_reloads): New global variable, formerly in reload.
6006 (something_needs_elimination): Likewise.
6007 (caller_save_spill_class): Likewise.
6008 (caller_save_group_size): Likewise.
6009 (max_needs): Likewise.
6010 (group_size): Likewise.
6011 (max_groups): Likewise.
6012 (max_nongroups): Likewise.
6013 (group_mode): Likewise.
6014 (max_needs_insn): Likewise.
6015 (max_groups_insn): Likewise.
6016 (max_nongroups_insn): Likewise.
6017 (failure): Likewise.
6019 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
6021 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
6023 * loop.c (load_mems): Copy rtx for output mem.
6025 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
6027 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
6028 mips1 or mips2 either.
6030 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
6032 * pa.c (pa_reorg): New marking scheme for jumps inside switch
6034 (pa_adjust_insn_length): Update to work with new marking scheme
6035 for jumps inside switch tables.
6036 * pa.md (switch_jump): Remove pattern.
6037 (jump): Handle jumps inside jump tables.
6039 * Makefile.in (profile.o): Depend on insn-config.h
6041 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
6043 * iris6.h (DWARF2_UNWIND_INFO): Undef.
6045 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6047 Add preliminary native sparcv9 Solaris support.
6048 * configure.in: Recognize sparv9-*-solaris2*
6049 * configure: rebuilt
6050 * config.sub: Recognize sparcv9 just like sparc64.
6051 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
6052 config/sparc/sol2-cn.asm: Macroize so it can be shared between
6053 32-bit and 64-bit Solaris systems.
6054 * config/sparc/t-sol2: Assemble those with cpp.
6055 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
6056 (*TF*_LIBCALL): If ARCH64 use V9 names.
6057 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
6059 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6061 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
6062 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
6064 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
6066 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
6067 to Pmode if CASE_VECTOR_MODE is something else.
6069 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
6071 * prefix.c (update_path): Correctly handle cases where PATH is
6072 a substring of the builtin prefix, but specifies a different
6075 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
6077 * expr.c: Corrected comment about what MOVE_RATIO does.
6078 * config/alpha/alpha.h: Ditto.
6079 * config/1750a/1750a.h: Ditto.
6080 * config/clipper/clipper.h: Ditto.
6081 * config/i386/i386.h: Ditto.
6083 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
6085 * configure.in (m68k-next-nextstep3*): Use collect2.
6086 Similarly for x86 NeXT configurations.
6087 * configure: Rebuilt.
6089 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
6091 * configure.in: Don't assume srcdir is .../gcc
6092 * configure: Rebuilt.
6094 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
6096 * global.c: Update comments.
6097 (global_alloc): Assign allocation-numbers
6098 even for registers allocated by local_alloc in case
6099 they are later spilled and retry_global_alloc is called.
6100 (mark_reg_store, mark_reg_clobber,
6101 mark_reg_conflicts, mark_reg_death): Always record a
6102 conflict with a pseudo register even if it has been
6103 assigned to a hard register.
6104 (dump_conflicts): Don't list pseudo registers already assigned to
6105 a hard register as needing to be allocated, but do list their
6107 * local-alloc.c: Update comment.
6109 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
6111 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
6112 * configure: Rebuilt.
6114 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
6116 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
6118 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
6119 for all targets that set -msoft-float.
6121 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6123 * toplev.c (print_switch_values): Make static to match prototype.
6125 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
6127 * configure.in: If we are unable to find the "gnatbind" program,
6128 then do not configure the ada subdir.
6129 * configure: Rebuilt.
6131 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
6133 * version.c: Bump for snapshot.
6135 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
6137 * version.c: Bump for snapshot.
6139 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6141 * Makefile.in (toplev.o): Depend on $(EXPR_H).
6142 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
6144 * gansidecl.h: Define ATTRIBUTE_NORETURN.
6146 * genattrtab.c: Have insn-attrtab.c include toplev.h.
6148 * genextract.c: Have insn-extract.c include toplev.h.
6150 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
6152 * toplev.c: Include expr.h.
6153 (really_sorry, fancy_abort): Remove prototypes.
6154 (set_target_switch): Add argument in prototype.
6155 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
6156 (v_really_sorry): Likewise.
6157 (print_version, print_single_switch, print_switch_values): Make
6158 static and add prototype arguments.
6159 (decl_printable_name): Add prototype arguments.
6160 (lang_expand_expr_t): New typedef.
6161 (lang_expand_expr): Declare as a lang_expand_expr_t.
6162 (incomplete_decl_finalize_hook): Add prototype argument.
6163 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
6164 (botch): Likewise for variable `s'.
6165 (rest_of_type_compilation): Mark variables `type' and `toplev'
6166 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
6167 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
6168 (display_help): Make variable `i' an `unsigned long'.
6169 (main): Remove unused parameter `envp'.
6170 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
6171 Cast -1 when comparing it with a `size_t'.
6173 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
6174 prototype with ATTRIBUTE_NORETURN.
6175 (fatal_insn_not_found, fatal_insn, really_sorry,
6176 push_float_handler, pop_float_handler): Add prototypes.
6177 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
6178 (do_abort, botch): Add prototypes.
6180 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
6182 * final.c (final): If a label is reached only from a single jump,
6183 call NOTICE_UPDATE_CC on the jump and its predecessor before
6184 emitting the insn after the label.
6186 * i386.h: Add AMD K6 support.
6187 Change TARGET_* macros to use table lookup.
6188 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
6189 (ADJUST_COST): Change definition to call function in i386.c.
6190 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
6191 * i386.c: Add AMD K6 support.
6192 Add constants for feature tests used by TARGET_* macros.
6193 (split_di): If before reload, call gen_lowpart and gen_highpart.
6194 (x86_adjust_cost): New function.
6195 (put_jump_code): New function.
6196 (print_operand): New codes 'D' and 'd'.
6197 * i386.md: New insn types. New insn attribute "memory".
6198 Redefine scheduling parameters to use new types and add AMD K6
6199 support. Explicitly set type of most insns.
6200 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
6201 Pro and K6 prefer movl $1,reg to incl reg.
6202 (adddi3, subdi3): Set cc_status.
6203 (DImode shift patterns): Change label counters from HOST_WIDE_INT
6204 to int; x86 can't have more than 2^31 DImode shifts per file.
6205 (setcc): Combine all setcc patterns. Allow writing memory.
6206 Combine all jump patterns using match_operator.
6207 (*bzero): Name pattern. Emit mutliple stos instructions when that
6208 is faster than rep stos.
6209 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
6212 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
6214 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
6217 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
6219 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
6220 not whatever we're generating now.
6222 * alpha.c (set_frame_related_p, FRP): New.
6223 (alpha_expand_prologue): Mark frame related insns.
6224 (alpha_expand_epilogue): Likewise, but with a null FRP.
6225 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
6226 * alpha.md (exception_receiver): New.
6227 * alpha/crtbegin.asm (.eh_frame): New beginning.
6228 (__do_frame_setup, __do_frame_takedown): New.
6229 * alpha/crtend.asm (.eh_frame): New ending.
6230 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
6231 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
6232 (ASM_FILE_START): Don't emit .file for dwarf2.
6234 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
6235 * rtl.c (reg_note_name): Likewise.
6236 * rtl.texi (REG_NOTES): Likewise.
6237 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
6240 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
6242 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
6243 * i386.md (movsf, movdf, movxf): Validate memory address returned
6244 from force_const_mem. Kill useless REG_EQUAL setting code.
6246 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
6248 * m68k.md (zero_extendsidi2): Fix typo.
6250 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
6252 * configure.in: Removed references to the removed file
6253 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
6254 * arm*-*-netbsd* and ns32k-*-netbsd*.
6255 * config/i386/xm-netbsd.h: Removed unnecessary file.
6256 * config/m68k/xm-netbsd.h: Likewise.
6257 * config/sparc/xm-netbsd.h: Likewise.
6258 * config/mips/xm-netbsd.h: Likewise.
6260 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
6262 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
6263 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
6265 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
6266 for exact section attributions.
6268 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
6270 * i386/crtdll.h (CPP_PREDEFINES): Define.
6272 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
6274 * m68k.md (5200 movqi): Do not allow byte sized memory references
6276 * m68k.c (output_move_qimode): Do not use byte sized operations on
6279 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
6280 explicit rules for building. Similarly for alloca, vfprintf,
6281 choose-temp and mkstemp, getopt, getopt1, and obstack.
6282 (INCLUDES): Add $(srcdir)/../include.
6283 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
6284 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
6286 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
6288 * gcc.c (do_spec_1): [case 'o'] Account for
6289 lang_specific_extra_outfiles.
6290 (main): Correctly clear all slots in outfiles for
6291 lang_specific_extra_outfiles. Set input_file_number before
6292 calling lang_specific_pre_link.
6294 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
6296 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
6298 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6300 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
6302 (sparc_output_deferred_case_vectors): If no work to do, return.
6303 Fix thinko in Sept 1 change.
6305 1998-09-03 SL Baur <steve@altair.xemacs.org>
6307 * Makefile.in: add semicolon in BISON definition for portability.
6309 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6311 * config/nextstep.c (handle_pragma): Correct name of third
6314 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
6316 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
6317 * config/m32r/m32r.h: Make register 17 be fixed.
6318 * config/m32r/m32r.c: Use SImode for cc operations.
6320 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
6322 * invoke.texi (Warning Options): Add -Wnon-template-friend
6325 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
6327 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
6329 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
6331 * rs6000.md (movsf): Disable explicit secondary-reload-like
6332 functionality if TARGET_POWERPC64.
6333 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
6336 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
6338 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
6339 and term.h from fixinc.wrap.
6341 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6343 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
6344 safe to include both string.h and strings.h together.
6345 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
6346 which headers to search for function declarations. Continue to
6347 prefer string.h over strings.h when both are not acceptable.
6349 * acconfig.h (STRING_WITH_STRINGS): Add stub.
6351 * configure.in: Call GCC_HEADER_STRING.
6353 * system.h: Test STRING_WITH_STRINGS when deciding which headers
6354 to include. Continue to prefer string.h over strings.h when both
6357 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6359 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
6360 not assume top 32-bits of symbolic addresses are zero if
6363 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
6365 * ginclude/va-alpha.h: Protect entire second portion of the
6366 file against double inclusion.
6368 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
6370 Added support for the Boehm's garbage collector.
6371 * configure.in: Handle --enable-objc-gc.
6372 * configure: Rebuilt.
6373 * Makefile.in (CHECK_TARGETS): Add check-objc.
6374 (check-objc): New rule.
6375 * objc/Make-lang.in: Build a different Objective-C library that
6376 runs with the Boehm's collector.
6377 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6378 * objc/encoding.c: Correctly compute the size of compound types in
6379 the presence of bitfields. Skip the variable name of the type if
6380 any. Added support for long long.
6381 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
6382 (_F_GCINVISIBLE): New mask.
6383 * objc/gc.c: New file. Compute the type memory mask associated with
6384 a class based on the runtime information.
6385 * objc/misc.c: Added the hooks that use the Boehm's collector
6386 allocation functions.
6387 * objc/objc-act.c (build_class_template): Generate a new class
6388 member (gc_object_type) to hold the class' type memory mask.
6389 (build_shared_structure_initializer): Initialize the new member to
6391 (encode_complete_bitfield): New function. Generate the new
6393 (encode_field_decl): Generate the new encoding only for the GNU
6395 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
6397 (class_get_gc_object_type): New function to mark a pointer instance
6398 variable as a weak pointer.
6399 * objc/objc-features.texi: New file.
6400 * objc/objc.h (gc_object_type): New class member.
6401 * objc/objects.c (class_create_instance): Create a typed memory
6402 object when compiled with Boehm's collector support.
6403 * objc/sendmsg.c (__objc_init_install_dtable): Call
6404 __objc_send_initialize instead of setting the initialize flag.
6405 (__objc_send_initialize): Call __objc_generate_gc_type_description
6406 to generate the class type memory mask. Rewrite the code that
6407 sends the +initialize so that it is called only once (bug report
6408 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
6409 * testsuite/objc: New testsuite for Objective-C type encoding.
6410 * testsuite/lib/objc-torture.exp: New file.
6411 * testsuite/lib/objc.exp: New file.
6413 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
6415 * jump.c (jump_optimize): In if/then/else transformations, add
6416 another call to modified_between_p for the jump insn.
6418 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
6420 * fix-header.c (symlink): Treat like readlink.
6422 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6424 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
6427 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
6429 * config/nextstep.h: Update HANDLE_PRAGMA macro.
6430 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
6431 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
6433 * config/nextstep.c (handle_pragma): Take three arguments, as per
6434 the new HANDLE_PRAGMA macro specification.
6435 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
6436 per the new HANDLE_PRAGMA macro specification.
6437 * config/i960/i960.c (process_pragma): Take three arguments, as
6438 per the new HANDLE_PRAGMA macro specification.
6440 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
6442 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
6443 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
6444 if unknown pragmas are encountered.
6445 (handle_sysv_pragma): Interpret return code from
6446 handle_pragma_token (). Return success/failure indication rather
6447 than next unprocessed character.
6448 (pragma_getc): New function: retrieves characters from the
6449 input stream. Defined when HANDLE_PRAGMA is enabled.
6450 (pragma_ungetc): New function: replaces characters back into the
6451 input stream. Defined when HANDLE_PRAGMA is enabled.
6453 * c-pragma.c (handle_pragma_token): Return success/failure status
6456 * c-pragma.h: Change prototype of handle_pragma_token().
6458 * varasm.c: (handle_pragma_weak): Only create this function if
6459 HANDLE_PRAGMA_WEAK is defined.
6461 * c-common,c (decl_attributes): If defined call the expression
6462 contained within the INSERT_ATTRIBUTES macro before adding
6463 attributes to a decl.
6465 * tm.texi (HANDLE_PRAGMA): Document the new verion of
6466 HANDLE_PRAGMA, which takes three arguments.
6467 (INSERT_ATTRIBUTES): Document this new macro.
6469 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
6470 new INSERT_ATTRIBUTES macro.
6472 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6474 * config/sparc/sparc.md (movdf): Only generate special RTL for
6475 LABEL_REFs when PIC.
6476 (move_label_di): Remove
6477 (movdi_pic_label_ref, movdi_high_pic_label_ref,
6478 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
6479 references when PIC.
6480 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
6481 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
6482 output an .xword for all 64-bit cases.
6484 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6486 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
6487 alignment, use FUNCTION_BOUNDARY instead.
6488 (sparc_output_deferred_case_vectors): Likewise.
6490 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6492 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
6493 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
6495 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
6497 * alpha/va_list.h: New file.
6498 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
6500 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
6502 * NEWS: Add SCO Openserver and Unixware 7 notes.
6506 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
6508 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
6509 (record_constant_1): Handle RANGE_EXPR.
6511 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
6513 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
6514 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
6515 and NOTE_INSN_RANGE_END specially.
6516 (reemit_notes): Likewise.
6518 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6520 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
6521 (ultrasparc_sched_init): Remove unneeded &.
6523 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6525 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
6526 for m68020-60, to prevent the use of fintrz.
6528 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
6530 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
6532 * Makefile.in: Likewise.
6533 * configure: Regenerated.
6535 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
6537 * configure.in (gxx_include_dir): Changed to
6538 '${prefix}/include/g++'-${libstdcxx_interface}.
6539 * configure: Rebuilt.
6541 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
6543 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
6545 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
6546 *sequences* *below* which scalar moves will be used.
6548 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
6550 * collect2.c (mktemp): Delete unused declaration.
6552 * config/xm-netbsd.h: Remove unnecessary file.
6553 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
6554 file anymore, it is not needed.
6556 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
6558 * convert.c (convert_to_integer): Issue an error on conversions to
6561 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
6563 * Makefile.in: Add lang_tree_files and gencheck.h.
6564 * configure.in: Generate them.
6565 * gencheck.c: Include gencheck.h.
6567 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6569 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
6570 movdi_lo_sum_pic and movdi_high_pic and make visible.
6571 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
6572 emit these when Pmode is not SImode.
6573 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
6575 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
6577 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
6578 .linkonce directive after the first time.
6580 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
6582 * m68k.md (beq0_di): Generate correct (and more efficient) code when
6583 the clobbered operand overlaps with an input.
6584 (bne0_di): Similarly.
6586 * Makefile.in (INSTALL): Remove "--no-header" argument.
6588 * NEWS: Various updates.
6590 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6592 * config/sparc/sparc.c (arith_operand, const64_operand,
6593 const64_high_operand, arith_double_4096_operand): Mark mode as
6595 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
6597 (sparc_emit_set_const64): Remove unused variable i.
6598 (sparc_splitdi_legitimate): Likewise for addr_part.
6599 (ultra_code_from_mask): Likewise for mask.
6600 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
6601 reverse return values so it matches usage and comments.
6602 (ultra_flush_pipeline): Likewise.
6603 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
6604 this_type, and allow loads and stores of differing FP modes as
6605 they do not create a conflict.
6606 (ultra_find_type): Initialize fpmode to SFmode, fix
6607 parenthesization thinkos in large conditional.
6608 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
6609 Init free_slot_mask after ultra_cur_hist is reset, not before.
6610 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
6611 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
6612 use ultra_flush_pipeline instead, then re-init group pointer.
6613 Fix statement with no effect. If no progress made in, and no
6614 instructions scheduled at all, advance to new pipeline cycle else
6615 we get into an endless loop.
6616 (ultrasparc_adjust_cost): Remove previous arg.
6617 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
6619 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
6621 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
6622 code. Use reg_overlap_mentioned_p to detect when source and
6623 destination overlap.
6624 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
6626 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
6628 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
6629 COMPARISON_VAL, into invariant_p.
6631 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6633 * regmove.c (regclass_compatible_p): New function.
6634 (regmove_optimize): Use it.
6636 Use NREGS parameter insted of calling max_reg_num.
6638 (fixup_match_1): Don't use code = MINUS when later tieing with
6639 a hard register is likely.
6641 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6643 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
6644 COMPARISON_VAL was normalized.
6646 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
6648 * loop.c (check_dbra_loop): The loop ending comparison value
6649 must be an invariant or we can not reverse the loop.
6651 * loop.c (scan_loop): Count down from max_reg_num - 1 to
6652 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
6654 (load_mems_and_recount_loop_regs_set): Likewise.
6656 * i386.c (print_operand): Remove obsolete 'c' docs.
6658 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
6660 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
6661 * frame.c (init_object_mutex): New function.
6662 (init_object_mutex_once): Likewise.
6663 (find_fde): Call it.
6664 (__register_frame_info): Likewise.
6665 (__register_frame_info_table): Likewise.
6666 (__deregister_frame_info): Likewise.
6668 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
6670 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
6672 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6674 * loop.c (check_dbra_loop): Enable code for reversal
6675 of some loops without a known constant loop end.
6677 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
6679 * haifa-sched.c (last_clock_var): New.
6680 (schedule_block): Initialize it.
6681 (schedule_insn): Use it to fill insn modes with issue information.
6683 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
6684 Tag trapb and next insn with TImode.
6685 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
6686 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
6687 Invoke alphaev5_align_insns as appropriate.
6688 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
6689 (MD_SCHED_VARIABLE_ISSUE): New.
6690 * alpha.md (attr type): Add multi.
6691 (define_asm_attributes): New.
6692 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
6693 (arg_home): Likewise.
6694 (fnop, unop, realign): New.
6696 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
6698 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
6699 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
6701 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
6702 (rs6000-ibm-aix4.[12]*): Likewise.
6703 * configure: Regnerate.
6705 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
6707 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
6708 already contains the return address.
6710 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
6712 * calls.c (expand_call): Use bitfield instructions to extract/deposit
6713 word sized hunks when loading unaligned args into registers.
6715 * haifa-sched.c (sched_analyze_insn): Only create scheduling
6716 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
6718 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
6720 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6722 * loop.c (check_dbra_loop): Add some code that would allow reversal
6723 of some loops without a known constant loop end if it were enabled.
6725 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
6727 * mips.md (lshrsi3_internal2+2): Fix type-o.
6729 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6731 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
6732 correctly with regards to stdio.h.
6734 * calls.c: Remove stdarg.h/varargs.h.
6737 * combine.c: Likewise.
6738 * cpperror.c: Likewise.
6739 * cpplib.c: Likewise.
6740 * cpplib.h: Likewise.
6741 * doprint.c: Likewise.
6742 * emit-rtl.c: Likewise.
6743 * final.c: Likewise.
6744 * fix-header.c: Likewise.
6746 * genattr.c: Likewise.
6747 * genattrtab.c: Likewise.
6748 * gencodes.c: Likewise.
6749 * genconfig.c: Likewise.
6750 * genemit.c: Likewise.
6751 * genextract.c: Likewise.
6752 * genflags.c: Likewise.
6753 * genopinit.c: Likewise.
6754 * genoutput.c: Likewise.
6755 * genpeep.c: Likewise.
6756 * genrecog.c: Likewise.
6757 * mips-tfile.c: Likewise.
6758 * prefix.c: Likewise.
6759 * protoize.c: Likewise.
6760 * regmove.c: Likewise.
6761 * toplev.c: Likewise.
6764 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6766 * config/sparc/sparc.c (sparc_override_options): If not
6767 TARGET_FPU, turn off TARGET_VIS.
6768 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
6769 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
6770 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
6771 (movdi_insn_sp64): Add VIS fzero alternative.
6772 (clear_sf, clear_df): New VIS patterns.
6773 (movsf, movdf expanders): Allow fp_zero_operand flat out when
6775 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
6777 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
6779 * loop.c (n_times_set, n_times_used, may_not_optimize,
6780 reg_single_usage): Convert to varrays. All uses changed.
6781 (insert_loop_mem): Return a value.
6782 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
6783 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
6786 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
6789 * configure.in: Do not set thread_file to "irix" since no such
6792 * sparc.md (float abs/neg splits): Check reload_completed before
6793 calling alter_subreg.
6795 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6797 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
6799 * config/sparc/sparc.h: Declare it.
6800 * config/sparc/sparc.md (float abs/neg splits): Use it.
6801 (all other splits): Handle SUBREGs properly where necessary.
6802 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
6804 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
6806 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
6807 an insn on the unfilled_slots_list that has no delay slots.
6808 (fill_eager_delay_slots): Similarly.
6810 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
6812 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
6813 as an ordinary operand.
6815 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
6817 * tree.c (valid_machine_attribute): Don't apply attributes to both
6820 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
6822 * reload.c (operands_match_p): Handle rtvecs.
6824 * i386.c (legitimate_pic_address_disp_p): New.
6825 (legitimate_address_p): Use it.
6826 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
6827 Handle constant pool symbols just like statics.
6828 (emit_pic_move): Use Pmode not SImode for clarity.
6829 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
6830 [UNSPEC]: New, handling what we killed above.
6831 [PLUS]: Detect and abort on invalid symbol arithmetic.
6832 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
6834 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
6836 * alias.c: Include output.h.
6837 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
6838 different if we're in a varargs function.
6839 * Makefile.in (alias.o): Depend on output.h
6841 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6843 * sh.h (GIV_SORT_CRITERION): Delete.
6845 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
6847 * regclass.c (regclass): Use xmalloc/free instead of alloca.
6848 * stupid.c (stupid_life_analysis): Ditto.
6849 * reload1.c (reload): Ditto.
6851 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6853 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
6854 arith_double_4096_operand, arith_double_add_operand): New
6856 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
6857 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
6858 them to transform add/sub 4096 into add/sub -4096.
6860 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6862 * loop.c (scan_loop): Allocate some slop to handle pseudos
6863 generated by move_movables.
6864 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
6867 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
6869 * tree.def (DECL_RESULT): Correct documentation.
6871 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6873 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
6874 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
6875 conflicts will all RELOAD_FOR_OUTPUT reloads.
6877 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
6878 loads the function result, substitute with a USE.
6880 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6882 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
6883 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
6884 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
6885 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
6886 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
6887 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
6889 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
6890 'o' to 'm' for GPR variant constraints.
6892 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
6894 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
6896 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
6898 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
6899 when the source and destination overlap.
6901 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
6902 clash with global type.
6904 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
6906 * fixinc.irix: Add curses.h handling from fixinc.wrap.
6908 * c-common.c (combine_strings): Also set TREE_READONLY.
6909 Change warn_write_strings to flag_const_strings.
6910 * c-decl.c, c-tree.h: Likewise.
6912 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6914 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
6915 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
6916 sequence, use SET/IOR instead so CSE can see it.
6917 * config/sparc/sparc.md (movhi_const64_special,
6918 movsi_const64_special): New patterns necessitated by that change.
6919 (movhi_high): Remove.
6920 (movhi_lo_sum): Change to match an IOR.
6921 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
6922 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
6923 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
6924 (movdf splits): Allow when not V9 or when not ARCH64 and integer
6925 registers are involved.
6926 (snesi_zero_extend split): Remove reload_completed test.
6927 (unnamed plus and minus zero_extend sidi splits): Add it.
6929 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
6931 * extend.texi: Remove description of extension to explicit
6932 instantiation that is now endorsed by standard C++.
6934 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6936 * config/arc/arc.c (arc_initialize_pic): Remove.
6937 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
6938 nothing on any platform and is invoked by no-one, it does not even
6939 appear in the documentation.
6940 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
6941 * config/sparc/sparc.c (initialize_pic): Likewise.
6942 (find_addr_reg): Remove this as well, no longer referenced after
6945 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
6947 * recog.c (validate_replace_rtx_group): New function.
6948 * recog.h (validate_replace_rtx_group): Declare it.
6949 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
6950 the entire group of substitutions.
6952 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
6954 * loop.c (load_mems): Fix initializers.
6956 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6958 * config/sparc/sparc.md (TFmode splits): Handle destination
6959 registers being referenced in the address correctly.
6961 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
6962 TREE_UNSIGNED, when bitsize of type's mode is larger than
6963 HOST_BITS_PER_WIDE_INT.
6965 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6967 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
6968 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
6969 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
6971 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
6974 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
6976 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
6977 * h8300.h (TINY_DATA_NAME_P): Likewise.
6978 (STRIP_NAME_ENCODING): Handle '&'.
6980 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
6981 register (it could be accessed via an outer SUBREG).
6982 (REG_OK_FOR_BASE_P): Likewwise.
6983 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
6985 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
6988 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
6990 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6992 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
6993 must be offsettable so the splits can be made.
6995 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
6997 * config/i386/winnt.c: Include system.h, not stdio.h to get
6998 sys/param.h pulled in before rtl.h in case the system defines MIN
7001 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
7003 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
7005 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
7007 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
7009 * cpplib.c (cpp_define): Handle macros with parameters.
7011 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7013 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
7014 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
7015 and DImode 64-bit. Use llong for minimal-toc SFmode and
7016 SYMBOL_REF / LABEL_REF 64-bit.
7017 (output_function_profiler): Use llong for profiler label and ld to
7018 load 64-bit label address.
7020 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
7022 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
7025 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
7027 * version.c: Bump for snapshot.
7029 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
7031 * version.c: Bump for snapshot.
7033 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
7035 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
7037 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
7039 * tm.texi (Misc): Fix typo "teh".
7041 * tm.texi (PIC): Fix typo "PPIC".
7043 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
7044 effect when -O2 and higher.
7045 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
7047 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
7049 * regclass.c: Changed register set documentation to be consistent
7052 * final.c (final_start_function) Removed redundant test for
7055 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
7057 * rtl.h (rtx_function): New type.
7058 (for_each_rtx): New function.
7059 * rtlanal.c (for_each_rtx): Define it.
7061 * recog.c (change_t): New type.
7062 (change_objects, change_old_codes, change_locs, change_olds):
7064 (changes): New variable.
7065 (validate_change): Dynamically allocate room for more changes, if
7066 necessary. Uses changes array instead of change_objects, etc.
7067 (apply_change_group): Use changes array instead of
7068 change_objects, etc.
7070 * loop.c (loop_mem_info): New type.
7071 (loop_mems): New variable.
7072 (loop_mems_idx): Likewise.
7073 (looop_mems_allocated): Likewise.
7074 (scan_loop): Remove nregs parameter.
7075 (next_insn_in_loop): New function.
7076 (load_mems_and_recount_loop_regs_set): Likewise.
7077 (load_mems): Likewise.
7078 (insert_loop_mem): Likewise.
7079 (replace_loop_mem): Likewise.
7080 (replace_label): Likewise.
7081 (INSN_IN_RANGE_P): New macro.
7082 (loop_optimize): Don't pass max_reg_num() to scan_loop.
7083 (scan_loop): Remove nregs parameter, compute it after any new
7084 registers are created by load_mems. Use INSN_IN_RANGE_P and
7085 next_insn_in_loop rather than expanding them inline. Call
7086 load_mems to load memory into pseudos, if appropriate.
7087 (prescan_loop): Figure out whether or not there are jumps from the
7088 loop to targets other than the label immediately following the
7089 loop. Call insert_loop_mem to notice all the MEMs used in the
7090 loop, if it could be safe to pull MEMs into REGs for the duration
7092 (strength_reduce): Use next_insn_in_loop. Tweak comments.
7094 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
7096 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
7098 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7100 * config/sparc/sparc.c (finalize_pic): Check for the correct
7101 nonlocal_goto_receiver UNSPEC number.
7102 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
7103 making note of this dependency existing in sparc.c
7104 (negtf2_notv9 split): Give NEG SFmode.
7105 (negsf2): Fix insn output string.
7107 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
7109 * c-common.c (decl_attributes): Issue an error if the argument
7110 to alias is not a string.
7112 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
7114 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
7115 pending memory flush list.
7117 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
7119 (try_combine): Allow combining insns with REG_LIBCALL notes.
7121 * expr.c (emit_block_move): Do not call memcpy as a libcall
7122 instead build up a CALL_EXPR and call it like any other
7124 (clear_storage): Similarly for memset.
7126 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
7129 * Makefile.in (cplus-dem.o): Provide explicit rules for building
7132 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
7133 and REG_LIVE_LENGTH as successful substitutions are made.
7135 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7137 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
7138 statement after end of loop label.
7140 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7142 * config/sparc/sparc.c (ultra_types_avail): New variable.
7143 (ultra_build_types_avail): New function to record mask of insn
7144 types in ready list at this cycle.
7145 (ultrasparc_sched_reorder): Call it.
7146 (ultra_find_type): Use it to quicken the search. Also simplif
7147 dependency check, don't use rtx_equal_p because we know exactly
7148 what we are looking for.
7150 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
7152 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
7153 for architecture v4.
7155 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7157 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
7159 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
7160 movdf_const_intreg and helper splits): New patterns to move float
7161 constants into integer registers.
7162 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
7165 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
7168 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
7170 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
7172 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
7173 a BASE_REGS register is needed as an intermediate when copying
7174 a symbolic value into any register class other than BASE_REGS.
7176 * expr.c (move_by_pieces): No longer static. Remove prototype.
7177 * rtl.h (move_by_pieces): Add extern prototype.
7178 * mips.c (expand_block_move): Handle aligned straight line copy by
7179 calling move_by_pieces.
7181 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
7184 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
7186 * stmt.c (expand_end_loop): Tidy. Allow unconditional
7187 jumps out of the loop to be treated as part of the exit test.
7189 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7190 Jeff Law <law@cygnus.com>
7192 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
7193 * cplus-dem.c: Delete.
7195 * Makefile.in (fold-const.o): depend on $(RTL_H).
7197 * fold-const.c: Include rtl.h to get the prototype for
7198 `set_identifier_local_value'.
7200 * loop.c (express_from_1): Remove unused variable `tmp'.
7201 (combine_givs): cast the first argument of bzero to char *.
7203 * toplev.c (display_help): Remove unused variable `looking_for_start'.
7205 * c-decl.c (init_decl_processing): Remove unneeded &.
7207 * alpha.h (alpha_initialize_trampoline): Provide prototype.
7209 * except.c (set_exception_lang_code, set_exception_version_code):
7210 Change parameter from `short' to `int' to avoid using a gcc
7213 * except.h (set_exception_lang_code, set_exception_version_code):
7214 Likewise for prototypes.
7216 * flow.c (count_reg_references): Remove unused variables `regno'
7219 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
7221 * prefix.c (translate_name): Cast the result of `alloca'.
7223 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
7225 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7227 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
7229 (valid_dbcc_comparison_p): Mark mode argument as unused.
7230 (symbolic_operand): Likewise.
7231 (legitimize_pic_address): Likewise.
7232 (const_uint32_operand): Likewise.
7233 (const_sint32_operand): Likewise.
7234 * sched.c [!INSN_SCHEDULING]: Define only dummy function
7235 schedule_insns and comment out rest of file.
7237 * m68k.c (output_move_simode_const): Use subl to move a zero into an
7239 (output_move_[hq]imode): Likewise.
7241 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
7243 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
7244 * invoke.texi: Corresponding changes.
7246 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
7248 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
7250 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7252 * config/sparc/sparc.c (ultra_code_from_mask,
7253 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7254 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
7255 ultrasparc_sched_init, ultrasparc_variable_issue,
7256 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
7257 functions to describe UltraSPARC pipeline exactly to Haifa.
7258 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
7259 as there is nothing the scheduler can do about it. Indicate that
7260 REG_DEP_OUTPUT's collide. Fixup formatting.
7261 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
7262 divide costs on Ultra for DImode.
7263 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
7265 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
7266 ieuN and add call_no_delay_slot to type list.
7267 (cti function unit): New unit for branches on UltraSPARC.
7268 (subx/addx insns): Set type to misc.
7269 (sidi zero/sign extension insns on arch64): Set type to shift.
7270 (sign_extendhidi2_insn): Set type to sload.
7272 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
7274 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
7275 (output_epilog): Use if != 0 for offset.
7276 (rs6000_fatal_bad_address): Prepare for Intl.
7277 * rs6000.h (rs6000_fatal_bad_address): Declare.
7278 * rs6000.md (movsfcc, movdfcc): Use else if.
7279 (elf_high): Use {liu|lis}.
7280 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
7281 (movsi): Use rs6000_fatal_bad_address.
7283 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
7285 * reload.c (find_equiv_reg): Reject equivalences separated
7286 by a volatile instruction.
7288 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7290 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
7292 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
7294 * alpha.md (movsicc): Fix mode mismatch.
7296 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
7298 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
7300 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
7302 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7304 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
7305 write-only modifier from operand 1 constraint.
7307 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7309 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
7310 emitting a XOR of -1 at the end, emit a NOT instead for combine's
7312 (sparc_emit_set_const64): Likewise, also when computing trailing
7313 bits do not negate low_bits and make fast_int an int.
7315 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
7317 * loop.c (add_label_notes): Do not ignore references to labels
7318 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
7319 * gcse.c (add_label_notes): Similarly.
7321 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
7323 * m68k.md (adddi_dilshr32): One of the operands must be a register.
7324 (adddi_dishl32): Similarly.
7326 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
7328 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
7329 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
7330 * cse.c (cse_basic_block): Add parens to shut up warnings.
7332 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7334 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
7335 sparc_emit_set_const64_longway, const64_is_2insns,
7336 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
7337 in 64-bit constant formation.
7338 * config/sparc/sparc.md (snesi_zero_extend split): Generate
7339 rtl for addx not subx.
7340 (define_insn movdi_const64_special): Make available even when
7341 HOST_BITS_PER_WIDE_INT is not 64.
7342 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
7343 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
7344 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
7345 instances of operand 1 inside a QI subreg.
7346 (xordi3_sp64_dbl): Remove '%' constraint for op1.
7347 (one_cmpldi2_sp64): Fix output string.
7348 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
7350 (unnamed arch64 ashift DI): Truncate shift count if greater than
7353 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7355 * expr.c (store_expr): Don't optimize away load-store pair
7356 when either source or destination have a side effect.
7358 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
7360 * genrecog.c (add_to_sequence): Fatal error if the modes of the
7361 operands of SET are incompatible.
7363 * alpha.md: Fix max and min patterns so modes of SET operands match.
7365 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
7367 * configure.in: Avoid [[ by using test and changequote.
7368 * configure: Rebuild.
7370 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7372 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7374 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7375 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7376 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7377 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7378 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7379 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
7380 Fix mismatching modes in SET operands.
7381 (conditional move patterns): Fix formatting.
7382 (unnamed subx arch64 pattern): Remove duplicate insn.
7384 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7386 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7387 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
7388 (input_operand): Fixup test for what we accept for constant
7390 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
7392 (safe_constDI): Remove.
7393 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7394 gen_safe_XOR64): New functions.
7395 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
7396 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
7398 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
7399 available when HOST_BITS_PER_WIDE_INT is not 64.
7400 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
7401 move before movdi_insn_sp64 pattern.
7402 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
7403 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
7404 symbolic_operand as predicate for second operand.
7405 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
7406 expander): Give set VOIDmode.
7408 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
7410 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
7412 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
7414 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
7416 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
7418 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
7420 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
7422 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
7424 * install.texi: Various SCO OpenServer tweaks.
7426 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
7428 * reload1.c (eliminate_regs_in_insn): Handle another case when
7429 eliminating the frame pointer to the hard frame pointer. Add
7430 missing ep->to_rtx check to one existing case.
7432 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
7434 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7436 * tree.h: De-conditionalize init_priority code.
7438 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
7439 * collect2.c (NM_FLAGS): Change from -p to -n.
7441 * configure.in: Turn on collect2 for mipstx39-elf.
7442 Handle use_collect2=no properly.
7444 * c-common.c: De-conditionalize init_priority code.
7445 * collect2.c (extract_init_priority, sort_ids): New fns.
7446 (main): Call sort_ids.
7447 Move sequence_number to file scope.
7449 * configure.in: Handle --enable-init-priority.
7450 * c-common.c (attrs): Add A_INIT_PRIORITY.
7451 (init_attributes, decl_attributes): Likewise.
7452 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
7453 * tree.c (get_file_function_name_long): Split out...
7454 (get_file_function_name): ...from here.
7456 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
7458 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
7461 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
7463 * toplev.c (display_help): Add braces to shut up warnings.
7464 * tree.c (simple_cst_equal): Likewise.
7466 * fold-const.c (non_lvalue): Don't deal with null pointer
7468 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7470 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
7471 of any size to a pointer.
7473 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
7475 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
7477 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
7479 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
7480 which will be saved.
7481 * mn10300.md (prologue insn): Only save registers which need saving.
7482 (epilogue insn): Similarly.
7484 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
7487 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
7489 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
7490 VAR_DECL's in gp addressable sections.
7492 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
7494 * sparc.c: Change return <exp> to <exp>; return; in functions
7496 * sparc.md: Add empty semicolon statement after final label in
7499 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7501 * config/sparc/sparc.md (define_insn addx_extend): Rename to
7502 addx_extend_sp64, only allow when TARGET_ARCH64.
7503 (define_insn addx_extend_sp32 and split): Version that works when
7505 (define_insn subx_extend): Likewise.
7506 (define_split adddi3 and subdi3 with zero extension): Fixup and
7507 correct bugs when not TARGET_ARCH64.
7509 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
7511 * except.c (set_exception_lang_code, set_exception_version_code):
7512 Use prototype-style definition if __STDC__, to match declaration
7515 * genemit.c: Change FAIL and DONE macros not to use loops.
7517 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
7519 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
7520 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
7522 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
7524 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
7526 * README.g77: Update from Craig.
7528 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7530 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
7532 (safe_constDI sparc_emit_set_const64_quick1,
7533 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7534 analyze_64bit_constant, const64_is_2insns,
7535 create_simple_focus_bits): Fix some bugs when compiled on real
7537 (function_arg_record_value_3, function_arg_record_value_2,
7538 function_arg_record_value): Add fully prototyped forward decls.
7539 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
7540 to cmpsi_insn and use on both 64 and 32 bit targets.
7541 (define_insn cmpsi_insn_sp64): Remove.
7542 (define_expand zero_extendsidi2): Allow for 32-bit target too.
7543 (define_insn zero_extendsidi2_insn): Rename to
7544 zero_extendsidi2_insn_sp64.
7545 (define_insn zero_extendsidi2_insn_sp32): New pattern and
7546 assosciated forced split for it.
7548 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7550 * config/sparc/sparc.h: Declare them.
7551 (PREDICATE_CODES): Add them.
7552 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
7553 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
7555 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
7557 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
7558 in v9 case as the latter makes the Solaris assembler crash.
7560 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7562 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
7563 for TFmode when !v9. We require offsettable memory addresses.
7564 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
7565 DFmode register number conversions.
7566 * config/sparc/sparc.md (define_split DFmode moves): If register
7567 is a SUBREG do alter_subreg on it before using.
7568 (define_expand movtf): Fixup comment about alignment on v9.
7569 (define_split TFmode moves): Don't use gen_{high,low}part, create
7570 explicit SUBREGs instead.
7572 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
7574 * Makefile.in (mbchar.o): Depend on mbchar.c.
7576 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7577 Richard Henderson <rth@cygnus.com>
7579 Rewrite Sparc backend for better code generation and
7580 improved sparc64 support.
7581 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
7583 * config/sparc/sysv4.h: Likewise.
7584 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
7585 move_operand, v8plus_regcmp_op, emit_move_sequence,
7586 singlemove_string, doublemove_string, mem_aligned_8,
7587 output_move_double, output_move_quad, output_fp_move_double,
7588 move_quad_direction, output_fp_move_quad, output_scc_insn):
7590 (small_int_or_double): New predicate.
7591 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
7592 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
7593 old pic_{sethi,lo_sum}_si patterns.
7594 (mem_min_alignment): New generic function to replace
7595 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
7596 available and can test for arbitrary alignments. All callers
7598 (save_regs, restore_regs, build_big_number,
7599 output_function_prologue, output_cbranch, output_return,
7600 sparc_flat_save_restore, sparc_flat_output_function_prologue,
7601 sparc_flat_output_function_epilogue): Prettify
7603 (output_function_epilogue): Likewise and add code to output
7604 deferred case vectors.
7605 (output_v9branch): Likewise, add new arg INSN and use it to tack
7606 on branch prediction settings. All callers changed.
7607 (print_operand): Likewise and output %l44 for LO_SUMs when
7609 (sparc_splitdi_legitimate): New function to make sure DImode
7610 splits can be run properly when !arch64.
7611 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
7612 Reformat example code in comments.
7613 (set_extends): Remove UNSPEC/v8plus_clear_high case.
7614 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
7615 of deferred case vectors we need to output.
7616 (sparc_defer_case_vector): Record a case vector.
7617 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
7618 sparc_output_deferred_case_vectors): New functions to output them.
7619 (sparc_emit_set_const32): New function to form 32-bit constants in
7620 registers when that requires more than one instruction.
7621 (safe_constDI, sparc_emit_set_const64_quick1,
7622 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7623 analyze_64bit_constant, const64_is_2insns,
7624 create_simple_focus_bits, sparc_emit_set_const64): New functions
7625 which do the same for 64-bit constants when arch64.
7626 (sparc_emit_set_symbolic_const64): New function to emit address
7627 loading for all code models on v9.
7628 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
7629 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
7630 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
7631 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
7632 inaccuracies in comments, add symbolic and text_segment operands
7633 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
7634 GENERAL_REGS in these cases as a temp REG is needed to load these
7635 addresses into a register properly.
7636 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
7638 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
7639 quads are guarenteed to have 16-byte alignment.
7640 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
7641 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
7642 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
7643 deferred case vector implementation.
7644 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
7645 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
7646 Generate "internal label - label" instead of "label - 1b".
7647 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
7648 (PREDICATE_CODES): Remove sparc_operand, move_operand,
7649 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
7651 (doublemove_string, output_block_move, output_fp_move_double,
7652 output_fp_move_quad, output_move_double, output_move_quad,
7653 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
7654 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
7655 (sparc_emit_set_const32, sparc_emit_set_const64,
7656 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
7657 mem_min_alignment, small_int_or_double): Add externs.
7658 * config/sparc/sparc.md: Document the many uses of UNSPEC and
7659 UNSPEC_VOLATILE in this backend.
7660 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
7661 unary to types which execute in it.
7662 (define_function_unit ieu_shift): Rename to ieu0.
7663 (define_function_unit ieu1): New, executes compare, call, and
7664 uncond_branch type insns.
7665 (define_function_units for type fdivs, fdivd, fsqrt): These
7666 execute in the fpu multiply unit not the adder on UltraSparc.
7667 (define_expand cmpdi): Disallow TARGET_V8PLUS.
7668 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
7669 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
7670 allows the arith_double_operand predicate and rHI constraint when
7672 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
7673 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
7674 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
7675 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
7676 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
7677 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
7678 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
7679 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
7680 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
7681 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
7682 sign_extendqihi2_insn, sign_extendqisi2_insn,
7683 sign_extendqidi2_insn, sign_extendhidi2_insn,
7684 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
7685 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
7686 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
7687 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
7688 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
7689 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
7690 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
7691 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
7692 smulsi3_highpart_v8plus, unnamed subreg mult,
7693 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
7694 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
7695 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
7696 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
7697 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
7698 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
7699 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
7700 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
7701 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
7702 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
7703 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
7704 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
7705 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
7706 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
7707 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
7708 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
7709 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
7710 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
7711 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
7712 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
7713 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
7714 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
7715 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
7716 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
7717 call_address_untyped_struct_value_sp32,
7718 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
7719 call_value_symbolic_sp32, call_value_address_sp64,
7720 call_value_symbolic_sp64, branch_sp32, branch_sp64,
7721 flush_register_windows, goto_handler_and_restore,
7722 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
7723 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
7724 return_addsi, return_di, return_adddi, return_sf, all call+jump
7725 peepholes, trap, unnamed trap insns): Prettify output strings.
7726 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
7727 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
7728 Likewise and force + implement splits for integer cases.
7729 (define_insn return_sf_no_fpu): Likewise and allow to match when
7730 no-fpu because of our subreg SFmode splits.
7731 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
7732 zero_extendqidi2_insn, zero_extendhidi2_insn,
7733 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
7734 input_operand for second operand.
7735 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
7736 reg_or_0_operand for operand 2 so new splits can use it.
7737 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
7738 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
7740 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
7741 CONST_DOUBLEs for operand 2.
7742 (define_insn move_label_di): Likewise and label distance
7743 optimization because it no longer works with new deferred case
7744 vector scheme. To be revisited.
7745 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
7746 and allow reg_or_0_operand and J constraint for second operand.
7747 (define_insn jump): Set branch predict taken on V9.
7748 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
7749 new deferred case vector scheme.
7750 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
7751 (define_insn negdi2_sp32): Force + implement splits.
7752 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
7753 one_cmplsi2_not_liveg0 respectively, and create expander of original
7754 names which emit special rtl for TARGET_LIVE_G0.
7755 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
7756 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
7757 gen_compare_reg, FAIL instead.
7758 (define_insn sgtu, sleu): Likewise and check gen_s*() return
7759 values when trying to reverse condition codes, if they FAIL then
7761 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
7762 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
7763 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
7764 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
7765 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
7766 set output string to # to indicate they are mandatory splits.
7767 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
7768 pic_sethi_di, move_pic_label_si): Remove.
7769 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
7770 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
7772 (define_expand movsi_pic_label_ref, define_insn
7773 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
7774 expander and insns to handle PIC label references and deferred
7776 (define_insn get_pc_via_rdpc): Comment out as it is no longer
7778 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
7779 Rewrite to not use emit_move_sequence, make use of new constant
7780 formation code, and new splits for all multi-insn cases.
7781 (define_insn movqi_insn): Remove sethi case, it can never happen.
7782 Use reg_or_zero_operand instead of const0_rtx explicit test,
7783 use input_operand instead of move_operand for source, and use
7784 general_operand now for dest.
7785 (define_insn movhi_insn): Similar but leave sethi case.
7786 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
7787 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
7788 movhi_lo_sum respectively, prettify output string.
7789 (define_insn movsi_zero_liveg0): New pattern to put zero into a
7790 register when needed on TARGET_LIVE_G0.
7791 (define_insn movsi_insn): Use general_operand and input_operand
7792 for dest and src respectively. Simplify applicability test.
7793 Prettify output strings, and add clr alternative for J
7795 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
7796 deprecated std and reg-reg DI moves): Remove and...
7797 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
7798 implementation which uses forced splits for all non-single insn
7800 (define_split DI move cases on !arch64): New splits to handle all
7801 situations of 64-bit double register DImode on 32bit, and
7802 unaligned registers and memory addresses for all subtargets.
7803 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
7805 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
7806 input_operand for dest and src respectively, prettify output
7808 (define_insn movdf_insn, movdf_no_e_insn, store_df,
7809 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
7811 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
7812 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
7813 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
7814 movtf_no_e_insn_sp64) Replace with new
7815 implementation which uses forced splits for all non-single insn
7817 (define_split DF move cases): New splits in similar vein to DI
7819 (define_insn sethi_di_medlow, sethi_di_medium_pic,
7820 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
7821 movdi_sp64_insn): Remove old v9 code model and constant loading
7823 (define_insn pic_lo_sum_di, pic_sethi_di,
7824 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
7825 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
7826 embmedany_sethi, embmedany_losum, embmedany_brsum,
7827 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
7828 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
7829 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
7830 scheme, using unspecs, secondary reloads, and one to one sparc
7831 insn to rtl insn mapping for better scheduling and code gen.
7832 (define_expand reload_indi, reload_outdi): Reload helpers for
7833 MEDANY and EMBMEDANY symbol address loading cases which require a
7835 (define_expand movsicc): Remove v8plus_regcmp cases.
7836 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
7837 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
7838 cmp_diqi_trunc_set): New patterns used by some of the new scc
7840 (define_insn xordi3_sp64_dbl): New pattern used for constant
7841 formation when crossing from 32-bit targets.
7842 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
7844 (define_insn addx, subx): Make visible and prettify.
7845 (define_insn adddi3_insn_sp32): Likewise and force split.
7846 (define_insn addx_extend, subx_extend, unnamed): New patterns for
7847 64bit scc split usage.
7848 (define_insn unnamed plusDI zero_extend, unnamed minusDI
7849 zero_extend, subdi3): Force and implement splits.
7851 * final.c (final_scan_insn): Don't output labels if target
7852 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
7855 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
7856 don't forget to walk inside SEQUENCESs too as these are what the
7857 delay slot scheduler will create.
7859 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
7861 * alpha.md (extxl+1,+2): New patterns to work around
7864 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
7866 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
7867 caused bad assembly code to be generated.
7869 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
7871 * netbsd.h: Fix typo.
7873 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
7875 * config.sub: Fix typo.
7877 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
7879 * invoke.texi (Environment Variables): Typo: Change "ascpects"
7881 (Running Protoize): Typo: Change "ther" into "other".
7883 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
7885 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
7886 * m68k/netbsd.h: Likewise.
7887 * ns32k/netbsd.h: Likewise.
7888 * sparc/netbsd.h: Likewise.
7890 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
7892 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
7893 * ginclude/va-clipper.h (va_list): Likewise.
7895 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
7897 * rs6000.c (rs6000_override_options): If big endian and -Os, use
7898 load/store multiple instructions unless user overrides.
7900 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
7902 * ns32k/netbsd.h: Fix typo.
7904 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
7906 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
7907 labels with .debugsym if no parallel insns.
7909 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
7911 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
7912 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
7914 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
7916 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
7917 (AR_FOR_TARGET): Define.
7919 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
7921 * dyn-string.h: New file.
7922 * dyn-string.c: Likewise.
7923 * Makefile.in (OBJS): Add dyn-string.o.
7924 (dwarf2out.o): Add dyn-string.h dependency.
7925 (dyn-string.o): List dependencies.
7926 * dwarf2out.c: Include dyn-string.h.
7927 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
7928 (addr_const_to_string): Take a dyn_string_t, not a char* as a
7929 prototype. Use dyn_string_append rather than strcat, throughout.
7930 (addr_to_string): Use dyn_string_t.
7932 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
7934 Function entry/exit profiling instrumentation:
7935 * expr.h (profile_function_entry_libfunc,
7936 profile_function_exit_libfunc): Declare new variables.
7937 * optabs.c: Define them here.
7938 (init_optabs): Initialize them.
7939 * tree.h (struct tree_decl): New flag
7940 no_instrument_function_entry_exit.
7941 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
7942 * c-decl.c (duplicate_decls): Merge it.
7943 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
7944 (init_attributes): Use it for "no_instrument_function".
7945 (decl_attributes): Handle it, for functions that have not yet been
7946 compiled. Set decl flag.
7947 * flags.h (flag_instrument_function_entry_exit): Declare new
7949 * toplev.c (flag_instrument_function_entry_exit): Define it here.
7950 (f_options): New option "instrument-functions".
7951 * function.h (struct function): New field instrument_entry_exit.
7952 * function.c (current_function_instrument_entry_exit): New
7954 (push_function_context_to, pop_function_context_from): Save and
7956 (expand_function_start): Set current_ variable, maybe emit return
7957 label and entry profile call.
7958 (expand_function_end): Maybe emit exit profile call.
7960 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
7962 * i386.md (movqi): When optimizing a load of (const_int 1) into a
7963 NON_QI_REG_P, pretend the register is SImode.
7965 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
7967 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
7968 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
7969 manufacturer id for ns32k.
7970 * configure: Regenerated.
7971 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
7972 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
7973 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
7974 * config/m68k/netbsd.h: Same.
7975 * config/ns32k/netbsd.h: Same.
7976 * config/sparc/netbsd.h: Same.
7978 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
7980 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
7981 or UNROLL_COMPLETELY loop that starts with a jump to its
7984 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
7986 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
7987 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
7988 (print_operand, case 'B'): Don't fall through.
7989 (print_operand, case 'S'): Correct mask begin/end computation.
7990 Use HOST_BITS_PER_WIDE_INT.
7991 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
7992 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
7993 * rs6000/aix41.h (CPP_PREDEFINES): Same.
7994 * rs6000/aix43.h (CPP_PREDEFINES): Same.
7996 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
7998 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
7999 constraint from second alternative.
8001 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8003 * configure.in: Fix --without/--disable cases for local-prefix,
8004 gxx-include-dir and checking.
8006 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8008 * configure.in (enable_haifa): Set by default for sparc64 too.
8011 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8013 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
8014 * i386/winnt.c (associated_type): New fn.
8015 (i386_pe_valid_type_attribute_p): New fn.
8016 (i386_pe_check_vtable_importexport): Remove.
8017 (i386_pe_dllexport_p): Use associated_type.
8018 (i386_pe_dllimport_p): Likewise.
8020 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
8021 * i386.c (i386_valid_type_attribute_p): Also accept
8022 attributes for METHOD_TYPEs.
8024 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
8026 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
8028 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
8030 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
8032 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
8033 them from generating a new base name for each occurence of
8036 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
8038 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
8040 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
8044 * cplus-dem.c (type_kind_t): New type.
8045 (demangle_template_value_parm): Add type_kind_t parameter. Rely
8046 on this paramter, rather than demangling the type again.
8047 (demangle_integral_value): Pass tk_integral.
8048 (demangle_template_: Pass the value returned from do_type.
8049 (do_type): Return a type_kind_t. Pass tk_integral to
8050 demangle_template_value_parm for array bounds.
8051 (demangle_fund_type): Likewise.
8053 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
8055 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
8058 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
8060 * pa.c (move_operand): Accept CONSTANT_P_RTX.
8062 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
8064 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
8066 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
8069 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
8071 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
8072 (DEBUGGER_ARG_OFFSET): Likewise.
8074 * mn10300.md (movsf): Remove last change. Not needed.
8076 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
8078 * c-lex.c (yylex): Fix boundary conditions in character literal and
8079 string literal loops.
8081 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
8083 * longlong.h (count_leading_zeros): Sparclite scan instruction was
8084 being invoked incorrectly.
8086 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
8087 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
8089 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
8090 * configure.in: Added i[34567]86-*-win32
8091 * config.sub: Ditto.
8092 * configure: Rebuilt.
8094 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
8096 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
8097 the frame pointer and compiling PIC code and reload has not completed.
8099 * i386.c (output_to_reg): Add code to emulate non-popping DImode
8102 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
8104 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
8106 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8108 * Makefile.in (install-info): Only try to update the info
8109 directory file if it exists in the first place.
8111 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
8113 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
8115 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
8117 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
8118 CONST_DOUBLE source.
8120 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
8122 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
8123 strings as the insertion of USER_LABEL_PREFIX.
8124 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
8126 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
8129 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
8131 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
8132 already defined type.
8134 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
8136 * expr.c (check_max_integer_computation_mode): Allow conversions
8137 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
8138 (expand_expr): Likewise.
8140 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8142 * expr.c (expand_expr): Expand RETURN_EXPR.
8144 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
8146 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
8148 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
8150 * dwarf2out.c (output_aranges): Call stripattributes
8151 for TEXT_SECTION references.
8152 (output_line_info): Likewise.
8154 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8156 * profile.c (branch_prob): Call allocate_reg_info after outputting
8157 profile rtl in instrument_arcs.
8159 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
8161 * fixinc.irix (math.h): Install wrapper instead of copying.
8163 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8165 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
8166 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
8167 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
8168 lang_flag_0. Added documentation in the flag table.
8170 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
8172 * cccp.c (do_include): Fix vax c style include handling.
8174 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8176 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
8178 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
8180 * fold-const.c (non_lvalue): Don't deal with null pointer
8182 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8184 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
8186 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
8187 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
8188 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
8189 (u_short_cint_operand): Same.
8190 (reg_or_cint_operand): Same.
8191 (logical_operand): Same.
8192 (input_operand): Same.
8193 (reg_or_short_operand): Use u_short_cint_operand.
8195 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
8197 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
8198 but keep the insns and splits. Adjust so when the ultimate destination
8199 is memory, use cvtql.
8201 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
8203 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
8205 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
8207 * gcc.c (do_spec): Call "error" not "warning".
8209 * configure.in: Fix minor problems with gas feature detection code.
8210 * configure: Rebuilt.
8212 * gcc.c (do_spec): Issue a warning for '%[]' usage.
8215 * gcc.c: Delete %[spec] support.
8216 (do_spec_1, case '('): Likewise.
8217 (do_spec_1, case '['): Call error.
8219 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
8221 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
8222 (CPP_SUBTARGET_SPEC): Default to empty string.
8223 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
8224 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
8225 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
8226 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
8228 * alpha/linux.h (CPP_PREDEFINES): Tidy.
8229 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
8230 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
8231 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
8232 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
8233 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
8234 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
8235 * alpha/vxworks.h: Likewise.
8237 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
8239 * mips.md (reload_outsi): Added missing REGNO call.
8240 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
8242 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
8243 another match_operator and compare the codes.
8245 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
8247 * MIPS multiply pattern fixes:
8248 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8249 Add union classes for HI, LO, or HILO plus general registers.
8250 (GENERATE_MADD): Deleted.
8251 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
8252 Add TARGET_MAD to condition.
8253 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
8254 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
8255 "*d" for accumulator, to give preference to LO initially but not
8258 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
8260 * configure.in (enable_c_mbchar): New configure option.
8261 (extra_cpp_objs): Always available now.
8263 * cexp.y (mbchar.h): #include it.
8264 (yylex): Handle Multibyte characters in character literals.
8266 * cccp.c (mbchar.h): #include it.
8267 (main): Set character set based on LANG environment variable.
8268 (rescan): Handle multibyte characters in comments.
8269 (skip_if_group): See above.
8270 (validate_else): See above.
8271 (skip_to_end_of_comment): See above.
8272 (macarg1): See above.
8273 (discard_comments): See above.
8274 (rescan): Handle multibyte characters in string and character literals.
8275 (collect_expansion): See above.
8276 (skip_quoted_string): See above.
8277 (macroexpand): See above.
8278 (macarg1): See above.
8279 (discard_comments): See above.
8280 (change_newlines): See above.
8282 * c-lex.c (mbchar.h): #include it.
8283 (GET_ENVIRONMENT): New macro.
8284 (init_lex): Set character set based on LANG environment variable.
8285 (yylex): Handle multibyte characters in character literals.
8286 (yylex): Handle multibyte characters in string literals.
8288 * Makefile.in (mbchar.o): New target.
8289 (cccp$(exeext)): @extra_cpp_objs@ is always available.
8290 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
8292 * mbchar.[ch]: New files for multibyte character handling.
8294 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8296 * jump.c (jump_optimize): When simplifying noop moves and
8297 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
8298 the PUSHes to rewrite in second loop as we did in the first.
8300 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8302 * cplus-dem.c (demangle_nested_args): Make function definition
8303 static to match the prototype.
8305 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
8307 * alloca.c: Respect USE_C_ALLOCA.
8308 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
8309 * gengenrtl.c (xmalloc): Likewise.
8311 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
8313 * loop.h (struct induction): Add no_const_addval.
8314 * loop.c (the_movables, reg_address_cost): New variables.
8315 (init_loop): Init reg_address_cost.
8316 (loop_optimize): Call end_alias_analysis.
8317 (scan_loop): Init the_movables.
8318 (record_giv): Init induction->no_const_addval.
8319 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
8320 [REG]: Rearrange loop search test to catch more cases.
8321 (general_induction_var): Return success not benefit; take an extra
8322 argument for that. Change all callers.
8323 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
8324 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
8325 [default]: Search the_movables for additional combinations.
8326 (sge_plus_constant, sge_plus): New functions.
8327 (express_from_1): New function.
8328 (express_from): Always define. Rewrite using express_from_1.
8329 (combine_givs_p): Handle more cases. Ignore address cost.
8330 (cmp_combine_givs_stats): New function.
8331 (combine_givs_used_once, combine_givs_benefit_from): New functions.
8332 (combine_givs): Rewrite to do best-fit combination.
8334 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
8335 (fold): Do a complete (A*C)+(B*C) association check.
8337 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
8339 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
8341 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
8343 * mn10300.c (MODES_TIEABLE_P): Fix typo.
8345 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
8347 * tree.c (valid_machine_attribute): Only create a new type variant if
8348 there is a decl to use it.
8350 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
8352 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
8355 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
8357 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
8360 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
8362 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
8363 Simplify tests for clearing an address register.
8364 (expand_prologue): Corresponding changes.
8366 * mn10300.md (movXX patterns): Make sure the destination is an
8367 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
8368 (logical patterns): Split into expanders + patterns
8369 (zero and sign extension patterns): Similarly.
8370 (shift patterns): Similarly.
8372 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8374 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8375 for the sequence, recording base values.
8377 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8379 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
8381 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
8383 * gcc.c: Remove ANSI-C ism from --help code.
8385 * toplev.c: Support --help with USE_CPPLIB.
8387 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
8389 * configure.in: Rework gas feature code to work with symlink based
8392 * extend.texi: Clarify some issues related to local variables
8393 assigned to explicit registers.
8395 * mn10300.md (mulsi): Turn into expander + pattern.
8397 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
8400 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
8402 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
8404 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
8406 * version.c: Bump again to distinguish mainline tree from the
8409 See ChangeLog.0 for earlier changes.
8412 add-log-time-format: current-time-string