1 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
3 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
6 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
8 * halfpic.c (half_pic_encode): Delete redundant code.
10 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
12 * toplev.c (main): Delete handling of -dM as a preprocessor
15 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
17 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
18 -dI, which are handled by the preprocessor.
20 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
22 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
23 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
25 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
27 * version.c: Bump for snapshot.
29 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
31 * version.c: Bump for snapshot.
33 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
35 * version.c: Bump for snapshot.
37 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
39 * genattr.c (fatal): Qualify a char* with the `const' keyword.
41 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
42 write_unit_name, write_eligible_delay, expand_units,
43 make_length_attrs, write_attr_case, find_attr,
44 make_internal_attr): Likewise.
45 * gencheck.c (tree_codes): Likewise.
46 * gencodes.c (fatal): Likewise.
47 * genconfig.c (fatal): Likewise.
48 * genemit.c (fatal): Likewise.
49 * genextract.c (fatal, walk_rtx, copystr): Likewise.
50 * genflags.c (fatal): Likewise.
51 * genopinit.c (fatal, optabs, gen_insn): Likewise.
52 * genoutput.c (fatal, error, predicates): Likewise.
53 * genpeep.c (fatal): Likewise.
54 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
55 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
57 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
59 * configure.in (with-fast-fixincludes): Fix whitespace.
62 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
63 asm() etc. function declarations in __DECC.
65 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
67 * expr.c (emit_move_insn_1): Only emit a clobber if the target
70 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
72 * gcse.c: Include expr.h in order to get the prototype for
73 get_condition() which is used in delete_null_pointer_checks().
75 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
77 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
79 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
81 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
82 (ALL_CFLAGS): Delete SCHED_CFLAGS.
84 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
86 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
89 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
91 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
92 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
93 optimizations from the combiner.
95 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
97 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
99 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
101 * toplev.c (main): Disable optimize_size if a specific
102 optimization level is requested. Always set optimization
103 level to 2 if -Os is specified.
105 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
107 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
109 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
110 initialize it using fname.
112 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
114 * cpplib.c (do_include): Treat #include_next in the
115 primary source file as #include plus warning. Treat
116 #include_next in a file included by absolute path as an
117 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
119 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
121 * cccp.c: Don't define MIN/MAX anymore.
122 * cpplib.c: Likewise.
123 * machmode.h: Likewise.
124 * system.h: Provide definitions for MIN/MAX.
126 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
128 * fix-header.c: Don't define xstrdup here.
130 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
132 * loop.c (consec_sets_giv): New argument last_consec_insn.
133 (strength_reduce): Provide / use it.
135 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
137 * loop.h (loop_info): New field 'vtop'.
138 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
139 scanning loop for vtop.
140 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
141 (loop_iterations): Use them to determine if loop has a constant
142 number of iterations. Set loop_info->vtop. Don't subtract
143 common reg term from initial_value and final_value if have a
146 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
148 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
150 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
152 * mn10200.md (abssf2, negsf2): New expanders.
154 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
156 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
158 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
159 replaced by a CONCAT whoes components do not have the same
160 mode as the original SUBREG, use a new SUBREG to restore the
163 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
164 multiword complex values.
166 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
168 * cppalloc.c: Add xstrdup here.
169 * cpplib.h: Remove savestring prototype.
170 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
172 * cppfiles.c: s/savestring/xstrdup/ throughout.
174 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
176 * cpplib.c: Make all directive handlers read their own
178 (struct directive): Remove last two arguments from FUNC
179 member prototype. Remove `command_reads_line' member
181 (directive_table): Remove initializations of
182 command_reads_line flag. Pretty-print.
183 (eval_if_expression, do_define, do_line, do_include,
184 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
185 do_else, do_elif, do_sccs, do_assert, do_unassert,
186 do_warning): Take only two args.
188 (cpp_define): Call do_define with two args and the text to
189 define stuffed into a buffer.
190 (make_assertion): Call do_assert with two args.
191 (handle_directive): Call do_line with two args. Call
192 kt->func with two args. Remove command_reads_line
194 (do_define, do_undef, do_error, do_warning, do_pragma,
195 do_sccs): Read the rest of the line here.
196 (do_ident): Gobble rest of line, as cccp does.
197 (cpp_undef): New function.
198 (cpp_start_read): Call cpp_undef instead of do_undef.
200 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
202 * cpphash.h (union hash_value): Remove `keydef' member, add a
203 `struct hashnode *aschain' member for #assert.
205 * cpplib.c (struct tokenlist_list, struct
206 assertion_hashnode): Delete structure definitions.
207 (assertion_install, assertion_lookup, delete_assertion,
208 check_assertion, compare_token_lists, reverse_token_list,
209 read_token_list, free_token_list): Delete functions.
210 (parse_assertion): New function.
211 (cpp_cleanup): Don't destroy the assertion_hashtable.
213 (do_assert): Gut and rewrite. #assert foo (bar) places
214 entries for `#foo' and `#foo(bar)' in the macro hash table,
215 type T_ASSERT. The value union's `aschain' member is used
216 to chain all answers for a given predicate together.
217 (do_unassert): Also rewritten. Take an un-asserted
218 answer off the chain from its predicate and call
219 delete_macro on the hashnode, or walk a predicate chain
220 calling delete_macro on all the entries.
221 (cpp_read_check_assertion): Simply call parse_assertion to
222 get the canonical assertion name, and look that up in the
225 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
228 * cpphash.c (install): Use bcopy instead of an explicit loop
229 to copy the macro name.
231 * cppexp.c (cpp_lex): Convert the result of
232 cpp_read_check_assertion to a `struct operation' directly;
233 don't go through parse_number.
235 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
237 * loop.h (struct induction): Delete times_used member.
238 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
239 (n_times_used): Rename to n_times_set. Changed all users.
240 (scan_loop): Free reg_single_usage before strength reduction.
241 (record_giv, combine_givs): Remove handling of times_used member.
242 (combine_givs_used_once): Rename to:
243 (combine_givs_used_by_other) . Changed all callers.
245 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
247 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
248 instead of TREE_CODE_CLASS == 't'.
249 (gen_type_die): Likewise.
250 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
252 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
254 * real.c (endian): Disable last change unless
255 HOST_BITS_PER_WIDE_INT is greater than 32.
257 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
259 * output.h (force_data_section): New prototype.
260 * varasm.c (force_data_section): New function to force the
261 data section, regardless of what in_section thinks.
262 * dwarf2out.c (output_call_frame_info): Call force_data_section
263 since varasm may not realize we've changes sections.
265 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
267 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
268 after completeing reload.
270 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
271 deleted after reload.
273 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
275 * rtl.h (multiple_sets): Fix prototype.
276 * rtlanal.c (multiple_sets): Fix return type.
278 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
280 * version.c: Bump for snapshot.
282 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
284 * version.c: Bump for snapshot.
286 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
288 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
290 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
292 * rtl.h (recompute_reg_usage): Add second argument.
293 * flow.c (recompute_reg_usage): Likewise.
294 * toplev.c (rest_of_compilation): Supply second argument to
297 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
300 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
302 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
303 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
304 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
307 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
309 * rtlanal.c (multiple_sets): New function.
310 * rtl.h (multiple_sets): Declare it.
311 * local-alloc.c (wipe_dead_reg): Use it.
312 * global.c (global_conflicts): Likewise.
314 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
316 * global.c (record_conflicts): Don't use an array of shorts to
317 store an array of ints.
318 (global_conflicts): Likewise.
320 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
322 * alpha.c (alpha_expand_block_move): mode_for_size expects
323 bits, not bytes. Infer extra alignment from addressof.
325 1998-12-11 Michael Meissner <meissner@cygnus.com>
327 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
328 .sbss section, not .sdata.
330 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
332 * cccp.c: Do not #include <sys/stat.h> here; this is already done
334 * collect2.c: Likewise.
335 * cpplib.h: Likewise.
338 * getpwd.c: Likewise.
339 * protoize.c: Likewise.
340 * toplev.c: Likewise.
342 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
343 and don't try to define it here.
344 * Makefile.in (cppmain.o): Depend on machmode.h.
345 (cpplib.o): Likewise.
346 (cpperror.o): Likewise.
347 (cppexp.o): Likewise.
348 (cppfiles.o): Likewise.
349 (cpphash.o): Likewise.
350 (cppalloc.o): Likewise.
351 (fix-header.o): Likewise.
352 (scan-decls.o): Likewise.
354 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
356 * sh.c (print_operand): lookup interrupt_handler attribute instead
357 of relying on static variable.
358 * (calc_live_regs): Likewise.
359 * (sh_pragma_insert_attributes): Create interrupt_handler
360 attribute if a pragma was specified
361 * (sh_valid_machine_decl_attribute): Don't set static flag.
362 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
364 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
366 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
367 to determine if a register is live at a jump destination.
368 Everything is dead at a BARRIER.
370 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
372 * cse.c (simplify_unary_operation): Sign-extend constants when
373 they have the most significant bit set for the target.
374 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
376 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
377 HOST_WIDE_INT temporary before negating it.
378 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
380 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
382 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
385 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
387 * collect2.h: New header file for prototypes.
389 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
391 * collect2.c: Include collect2.h.
394 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
396 * flow.c: Update some comments.
398 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
400 * objc/objc-act.c (cpp_initialized): Removed.
401 (lang_init_options): Initialize cpplib.
402 (lang_decode_option): Move initialization of cpplib to
404 * c-lang.c: (parse_options,parse_in): Added.
405 (lang_init_options): Initialized cpplib here.
406 * c-decl.c (parse_options,cpp_initialized): Removed.
407 (c_decode_option): Move initialization of cpplib to
410 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
412 * reload1.c (reload_combine, reload_combine_note_store):
413 Make STORE_RUID always valid.
414 (reload_combine): Check if BASE is clobbered too early.
416 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
418 * reload.c (find_reloads): Display the insn that cannot be
421 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
423 * cccp.c (create_definition): Fix end of bufer logic.
425 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
427 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
428 pointer parameters changed to use the PARAMS() macro.
430 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
432 * except.h (struct handler_info): Add handler_number field.
433 * except.c (gen_exception_label): EH labels no longer need to be
434 on the permanent obstack.
435 (get_new_handler): Set the label number field.
436 (output_exception_table_entry): Regenerate handler label reference
437 from the label number field.
438 (init_eh): Remove a blank line.
439 * integrate.c (get_label_from_map): Labels no longer need to be
440 on the permanent obstack.
442 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
444 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
445 only when OUTER_CODE is SET.
447 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
449 * loop.c (strength_reduce): If scan_start points to the loop exit
450 test, be wary of subversive use of gotos inside expression statements.
451 Don't set maybe_multiple for a backward jump that does not
452 include the label under consideration into its range.
453 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
455 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
457 * explow.c (plus_constant_wide): Don't immediately return with
458 result of recursive call.
460 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
462 * eh-common.h (struct eh_context): Add table_index for rethrows.
464 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
465 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
466 processed when inlined or unrolled (ie duplicated in some way).
468 * rtl.c (reg_note_name): Add strings for new reg_note enums.
470 * expr.h (rethrow_libfunc): New library decl.
472 * optabs.c (rethrow_libfunc): Initialize.
474 * except.h (struct eh_entry): Add new field 'rethrow_label'.
475 (new_eh_region_entry): No longer exported from except.c.
476 (duplicate_handlers): Renamed to duplicate_eh_handlers and
478 (rethrow_symbol_map, rethrow_used): New exported functions.
479 (eh_region_from_symbol): New exported function.
481 * except.c (create_rethrow_ref): New function to create a single
482 SYMBOL_REF for a rethrow region.
483 (push_eh_entry): Initialize a rethrow ref.
484 (func_eh_entry): Add a rethrow_label field.
485 (new_eh_region_entry): Make static, and initialize the rethrow entry.
486 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
487 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
488 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
489 a region into an appropriate new symbol.
490 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
491 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
492 (end_catch_handler): Emit a barrier for new-exceptions since
493 control can never drop through the end of a catch block.
494 (expand_end_all_catch): new-exceptions never fall through a catch
496 (expand_rethrow): use __rethrow routine for new exceptions.
497 (output_exception_table_entry): Generate rethrow labels, if needed.
498 (output_exception_table): Generate start and end rethrow labels.
499 (init_eh): Create rethrow symbols for beginning and end of table.
500 (scan_region): Don't eliminate EH regions which are the targets of
503 * flow.c (make_edges): Add different edges for rethrow calls,
504 identified by having the REG_EH_RETHROW reg label.
505 (delete_unreachable_blocks): Don't delete regions markers which are
506 the target of a rethrow.
508 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
509 allow save_for_inline_copying to call duplicate_eh_handlers.
510 (save_for_inline_copying): Call duplicate_eh_handlers instead of
511 exposing internal details of exception regions.
512 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
513 (expand_inline_function_eh_labelmap): New callback routine to
514 allow expand_inline_function to call duplicate_eh_handlers.
515 (expand_inline_function): Call duplicate_eh_handlers instead of
516 exposing internal details of exception regions.
517 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
520 * libgcc2.c (find_exception_handler): Generalize to enable it to
521 pick up processing where it left off last time for a rethrow.
522 (__unwinding_cleanup): New function. debug hook which is called before
523 unwinding when __throw finds there is nothing but cleanups left.
524 (throw_helper): Common parts of __throw extracted out for reuse.
525 (__throw): Common parts moved to throw_helper.
526 (__rethrow): New function for performing rethrows.
528 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
530 * reload1.c (current_function_decl): Tweak declaration.
532 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
534 * c-decl.c (flag_isoc9x): Default off.
535 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
536 * cccp.c (print_help, main): Likewise.
537 * gcc.c (default_compilers): Update for -std=gnu*.
539 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
541 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
542 * demangle.h: Deleted.
544 * reload1.c (current_function_decl): Declare.
546 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
548 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
550 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
552 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
554 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
556 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
558 * configure: Rebuilt.
559 * system.h: If the *_unlocked functions are available use them
560 instead of the locked counterparts by defining macros.
561 * config.in: Regenerated.
563 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
565 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
566 wrong and should only be used for dump related things, not
567 debugging information, instead main_input_filename should be used.
568 Also, reuse output_file_directive if possible.
569 * i386/aix386ng.h (ASM_FILE_START): Likewise.
570 * i386/isc.h (ASM_FILE_START): Likewise.
571 * i386/win-nt.h (ASM_FILE_START): Likewise.
572 * i386/sun386.h (ASM_FILE_START): Likewise.
574 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
576 * configure.in (mips*-*-linux*): Handle big and little endian
578 * configure: Rebuilt.
580 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
582 * emit-rtl.c: Fix typo.
584 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
586 * reload1.c (eliminate_regs): Don't do anything, if we're not
589 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
591 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
593 * mips/mips.c (mips_select_section): Add comment.
595 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
597 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
598 characters in file names in #line to be consistent with #include
599 handling. We support escape prcessing in the # 1 "..." version of
600 the command. See also support in cp/lex.c.
601 (handle_directive): Likewise.
604 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
606 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
607 so it'll work on non-ASCII platforms. Always consider $ an
608 identifier character. Take no arguments.
609 (cpp_reader_init): Call initialize_char_syntax with no
611 (cpp_start_read): Don't call initialize_char_syntax again.
612 Clear is_idchar['$'] and is_idstart['$'] if not
613 opts->dollars_in_ident.
615 * cpplib.h (struct cpp_reader): Replace void *data element by
616 cpp_options *opts. Rearrange elements to make gdb printout
617 less annoying (put buffer stack at end).
618 (CPP_OPTIONS): Get rid of now-unnecessary cast.
620 * cppmain.c: s/data/opts/ when initializing cpp_reader
622 * c-decl.c: Likewise.
623 * objc/objc-act.c: Likewise.
624 * fix-header.c: Likewise.
626 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
628 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
629 with a struct file_name_list pointer.
630 (struct cpp_reader): Add pointer to chain of `actual
631 directory' include searchpath entries.
632 (struct file_name_list): Add *alloc pointer for the sake of
633 the actual-directory chain.
635 Move definition of HOST_WIDE_INT here.
636 (cpp_parse_escape): Change prototype to match changes in
639 * cppfiles.c (actual_directory): New function.
640 (finclude): Use it to initialize the buffer's actual_dir
642 (find_include_file): We don't need to fix up max_include_len
645 * cpplib.c (do_include): Don't allocate a file_name_list on
646 the fly for current directory "" includes, use the one that's
647 been preallocated in pfile->buffer->actual_dir. Hoist out
648 duplicate code from the search_start selection logic.
649 (cpp_reader_init): Initialize pfile->actual_dirs.
651 Remove definition of HOST_WIDE_INT. Change calls
652 to cpp_parse_escape to match changes in cppexp.c (note
653 hardcoded MASK, which is safe since this is the source
656 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
657 to handle wide character constants in #if directives. The
658 function now returns a HOST_WIDE_INT, and takes a third
659 argument which is a binary mask for all legal values (0x00ff
660 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
661 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
662 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
664 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
666 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
668 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
670 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
671 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
672 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
674 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
676 * final.c (output_asm_name): Use tabs to seperate comments from
679 Include instruction lengths (if defined) in output.
681 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
683 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
684 in the loop_info structure.
686 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
688 * configure.in: (arm*-*-ecos-elf): New target.
689 * configure: Regenerated.
690 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
691 * config/arm/ecos-elf.h: New file.
692 * config/arm/unknown-elf.h (TARGET_VERSION): Check
695 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
697 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
699 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
701 * version.c: Bump for snapshot.
703 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
705 * loop.c (check_dbra_loop): New argument loop_info. Update fields
708 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
710 * version.c: Bump for snapshot.
712 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
714 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
715 compressed reports are ok and preferred over URLs
717 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
719 * invoke.texi (Warning Options): Soften the tone of -pedantic
721 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
723 * print-rtl.c (print_rtx): Add prototype.
725 * unroll.c (iteration_info): Make it static.
727 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
729 * alias.c (memrefs_conflict_p): A second ANDed address
730 disables the aligned address optimization.
732 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
734 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
737 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
739 * i960.h (BOOL_TYPE_SIZE): Define.
741 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
743 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
744 from old valid_parallel_operands_4.
745 (valid_parallel_operands_4): Check that operands for 4 operand
746 parallel insns are valid, excluding load/store insns.
747 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
748 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
749 valid_parallel_load_store instead of valid_parallel_operands_4.
750 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
751 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
752 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
753 *notqi_movqi_clobber): Use valid_parallel_operands_4.
754 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
755 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
756 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
758 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
760 * config/c4x/c4x.c (iteration_info): Delete extern.
762 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
764 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
766 * final.c (cleanup_subreg_operands): Delete some unused code.
768 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
769 (struct insn_alternative): New structure definition.
770 (recog_op_alt): Declare variable.
771 (preprocess_constraints): Declare function.
772 * recog.c (recog_op_alt): New variable.
773 (extract_insn): Verify number of alternatives is in range.
774 (preprocess_constraints): New function.
775 * reg-stack.c: Include recog.h.
776 (constrain_asm_operands): Delete.
777 (get_asm_operand_lengths): Delete.
778 (get_asm_operand_n_inputs): New function.
779 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
780 N_OUTPUTS args. All callers changed.
781 Compute number of inputs and outputs here by calling
782 get_asm_operand_n_inputs.
783 Instead of constrain_asm_operands, call extract_insn,
784 constrain_operands and preprocess_constaints. Use information
785 computed by these functions throughout.
786 (record_reg_life): Delete code that is unused due to changes in
788 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
789 N_INPUTS and N_OUTPUTS args. All callers changed.
790 Similar changes as in record_asm_reg_life.
791 (subst_stack_regs): Move n_operands declaration into the if statement
793 Delete code that is unused due to changes in subst_asm_stack_regs.
794 * stmt.c (expand_asm_operands): Verify number of alternatives is in
796 * Makefile.in (reg-stack.o): Depend on recog.h.
798 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
800 * except.c (set_exception_version_code): Argument is an "int".
802 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
804 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
805 * configure: Rebuilt.
807 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
809 * configure.in (mipsel-*-linux*): New target.
810 * mips/linux.h: New file, based on other Linux targets.
812 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
814 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
815 runs in the context of the deleter, not the deletee, so we must
816 use taskVarGet to find the correct memory to free.
817 (__gthread_key_create): Initialize the task
818 variable subsystem so that the task variable is still active when
819 the delete hook is run.
821 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
823 * pdp11.h: Use optimize_size for space optimizations.
825 * pdp11.md: Likewise.
827 * pdp11.h (TARGET_40_PLUS): Fix typo.
829 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
831 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
834 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
836 * alias.c (addr_side_effect_eval): New function.
837 (memrefs_conflict_p): Use it.
838 * rtl.h (addr_side_effect_eval): Prototype it.
840 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
842 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
844 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
846 * reload.c (find_reloads): When force const to memory, put result
847 in substed_operand not *recog_operand_loc.
849 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
851 * c-lex.c: Fix indentation from last patch.
852 Remove trailing whitespace.
855 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
857 * flow.c (delete_block): Call set_last_insn after we have reset
858 NEXT_INSN (kept_tail).
860 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
862 * mips.md (trap_if): Use "$0" for the value zero.
864 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
865 Stephen L Moshier <moshier@world.std.com>
866 Richard Henderson <rth@cygnus.com>
868 * c-common.c (declare_function_name): Declare predefinied variable
871 * c-decl.c (flag_isoc9x): Set to 1 by default.
872 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
873 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
875 * c-parse.in: Allow constructors in ISO C 9x.
876 Rewrite designator list handling.
877 Allow [*] parameters.
878 Don't warn about comma at end of enum definition for ISO C 9x.
880 * cccp.c (c9x): New variable.
881 (rest_extension): New variable.
882 (print_help): Document new -std= option.
883 (main): Recognize -std= option. Set c9x appropriately.
884 (create_definition): Recognize ISO C 9x vararg macros.
886 * gcc.c (default_compilers): Adjust specs for -std options.
887 (option_map): Add --std.
888 (display_help): Document -std.
890 * toplev.c (documented_lang_options): Add -std and remove
893 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
894 or REAL_VALUE_HTOF based on base of the constants.
895 * fold-const.c (real_hex_to_f): New function. Replacement function
896 for hex FP conversion if REAL_ARITHMETIC is not defined.
897 * real.c (asctoeg): Add handling of hex FP constants.
898 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
901 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
903 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
904 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
905 expansion. Use hi/lo as destination register.
907 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
908 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
909 Avoid as macro expansion. Use hi/lo as destination register.
911 * mips.h (MASK_CHECK_RANGE_DIV): New.
912 (MASK_NO_CHECK_ZERO_DIV): New.
913 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
914 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
915 return address for leaf functions out of r31 to support
916 builtin_return_address.
918 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
920 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
921 NEXT_INSN(x) to check insn x.
923 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
925 * flow.c (delete_block): Call set_last_insn if we end up deleting the
926 last insn in the rtl chain.
928 * reload1.c (reload): Do not set reload_completed or split insns
930 * toplev.c (rest_of_compilation): Set reload_completed after
931 reload returns. Split insns after reload_cse has run.
933 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
935 * final.c (final_scan_insn): Abort if block_depth falls below 0.
937 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
939 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
941 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
943 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
944 use of user-label_prefix.
946 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
948 * reload1.c (emit_reload_insns): Clear spill_reg_store
949 when doing a new non-inherited reload from the same pseudo.
951 * local-alloc.c (function_invariant_p): New function.
952 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
953 to decide if an equivalence should be recorded.
954 * reload1.c (num_eliminable_invariants): New static variable.
955 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
956 to decide if an equivalence should be recorded.
958 (calculate_needs_all_insns): Skip insns that only set an equivalence.
959 Take num_eliminable_invariants into account when deciding
960 if register elimination should be done.
961 (reload_as_needed): Take num_eliminable_invariants into account
962 when deciding if register elimination should be done.
963 (eliminate_regs): Handle non-constant reg_equiv_constant.
964 * rtl.h (function_invariant_p): Declare.
966 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
968 * version.c: Bump for snapshot.
970 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
972 * version.c: Bump for snapshot.
974 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
976 * except.c (add_new_handler): Complain about additional handlers
977 after one that catches everything.
979 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
981 * configure.in (alpha*-*-netbsd): Fix typo.
982 * configure: Rebuilt.
984 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
986 * system.h: Include libiberty.h.
988 * c-aux-info.c: Remove prototypes for concat/concat3. Change
989 function `concat' from fixed parameters to variable parameters,
990 as is done in libiberty. All callers of concat/concat3
991 changed to use the new `concat' with variable args.
993 * cccp.c: Remove things made redundant by libiberty.h and/or
994 conform to libiberty standards.
996 * collect2.c: Likewise.
997 * config/1750a/1750a.h: Likewise.
998 * cppalloc.c: Likewise.
999 * cppexp.c: Likewise.
1000 * cppfiles.c: Likewise.
1001 * cpphash.c: Likewise.
1002 * cpplib.c: Likewise.
1003 * dyn-string.c: Likewise.
1004 * fix-header.c: Likewise.
1007 * genattr.c: Likewise.
1008 * genattrtab.c: Likewise.
1009 * gencheck.c: Likewise.
1010 * gencodes.c: Likewise.
1011 * genconfig.c: Likewise.
1012 * genemit.c: Likewise.
1013 * genextract.c: Likewise.
1014 * genflags.c: Likewise.
1015 * gengenrtl.c: Likewise.
1016 * genopinit.c: Likewise.
1017 * genoutput.c: Likewise.
1018 * genpeep.c: Likewise.
1019 * genrecog.c: Likewise.
1020 * getpwd.c: Likewise.
1021 * halfpic.c: Likewise.
1023 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
1024 in NEED_DECLARATION_* macros.
1026 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
1027 conform to libiberty standards.
1028 (fatal): Fix const-ification of variable `format' in
1029 !ANSI_PROTOTYPES case.
1031 * prefix.c: Remove things made redundant by libiberty.h and/or
1032 conform to libiberty standards.
1034 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
1035 conflicting with function `spaces' from libiberty.
1037 * profile.c: Remove things made redundant by libiberty.h and/or
1038 conform to libiberty standards.
1039 * protoize.c: Likewise.
1042 * tlink.c: Likewise.
1043 * toplev.c: Likewise.
1044 * toplev.h: Likewise.
1047 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1049 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
1051 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1053 * README.C4X: Updated URLs.
1054 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
1055 (valid_parallel_operands_5): Remove unused variable.
1057 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1059 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
1061 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
1063 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
1064 which can be configured.
1065 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
1066 (Makefile): Pass actual LANGUAGES through the environment when
1068 (cstamp-h): Likewise.
1069 (config.status): Likewise.
1071 * configure.in (enable_languages): Add new configuration parameter
1072 "--enable-languages=lang1,lang2,...".
1073 (${srcdir}/*/config-lang.in): Change handling to configure only
1074 those directories, that the user might have enabled; default to
1075 "all" existing languages.
1076 * configure: Regenerate.
1078 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
1080 * rtlanal.c (regs_set_between_p): New function.
1081 * rtl.h (regs_set_between_p): Prototype it.
1082 * jump.c (jump_optimize): Use it instead of modified_between_p
1083 in the Sep 2 change.
1085 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
1086 Matthias Pfaller <leo@dachau.marco.de>
1088 * invoke.texi (Option Summary, NS32K Options): add description
1089 of NS32K specific options.
1091 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
1092 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
1093 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
1094 negdf2, absdf2): Use l instead of f since the double class and
1095 float class are no longer the same.
1096 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
1097 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
1098 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
1099 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
1101 (cmpsi, cmphi, cmpqi): use general_operand instead of
1102 non_immediate_operand. Removes erroneous assumption that can't
1104 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
1105 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
1107 (movstrsi, movstrsi1, movstrsi2): completely new block move
1109 (...): Patterns to exploit multiply-add instructions.
1110 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
1111 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
1112 patterns to exploit extended divide insns.
1113 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
1116 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
1117 float return values as well as simple scalar floats.
1118 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
1119 support new flag to denote 32381 fpu.
1120 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
1121 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
1123 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1124 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
1125 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
1126 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
1127 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
1128 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
1129 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
1130 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
1131 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
1132 fpu registers and special register classes for new 32381
1133 instructions dotf and polyf.
1134 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
1136 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
1137 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
1139 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
1140 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
1141 (REGISTER_MOVE_COST): move code to register_move_cost function for
1142 ease of coding and debugging.
1143 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
1144 LONG_FLOAT_REGO is likely spilled but not caught by default
1146 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
1147 instead of hard coded numbers in range check.
1148 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
1149 (...): Add prototypes for functions in ns32k.c but disable because
1150 of problems when ns32k.h is included in machine independant files.
1152 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
1153 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
1154 hard_regno_mode_ok, secondary_reload_class,
1155 print_operand, print_operand_address): new register scheme to
1156 include 32381 fpu registers and special register classes for new
1157 32381 instructions dotf and polyf.
1158 (gen_indexed_expr): Make static to keep namespace clean.
1159 (check_reg): remove since never called.
1160 (move_tail, expand_block_move): helper functions for "movstrsi"
1162 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
1163 Increase cost of moves which go via memory.
1164 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
1165 (CPP_PREDEFINES): nolonger predefine "unix".
1167 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
1168 Remove erroneous %$. print_operand() can work out from the rtx is
1169 an immediate prefix is required.
1171 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
1172 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
1173 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
1175 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
1178 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
1179 Correct handling of pic operands.
1180 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
1181 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
1182 -mrtd calling convention.
1184 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
1186 * gcc.c (option_map): Recognize --output-class-directory.
1188 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1190 * loop.h (precondition_loop_p): Added new mode argument.
1191 * unroll.c (precondition_loop_p): Likewise.
1192 (approx_final_value): Function deleted and subsumed
1193 into loop_iterations.
1194 (loop_find_equiv_value): New function.
1195 (loop_iterations): Use loop_find_equiv_value to find increments
1196 too large to be immediate constants. Also use it to find terms
1197 common to initial and final iteration values that can be removed.
1199 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1201 * loop.h (struct loop_info): Define new structure.
1202 (precondition_loop_p): Added prototype.
1203 (unroll_loop): Added new argument loop_info to prototype.
1204 (final_biv_value, final_giv_value): Added new argument n_iterations
1206 * loop.c (strength_reduce): Declare new structure loop_iteration_info
1207 and new pointer loop_info.
1208 (loop_n_iterations): Replace global variable by element in
1209 loop_info structure.
1210 (check_final_value): New argument n_iterations.
1211 (insert_bct): New argument loop_info.
1212 (loop_unroll_factor): Replace global array by element in
1213 loop_info structure.
1214 (loop_optimize): Remove code to allocate and initialise
1215 loop_unroll_factor_array.
1216 * unroll.c (precondition_loop_p): No longer static since
1217 used by branch on count optimization.
1218 (precondition_loop_p, unroll_loop): New argument loop_info.
1219 (final_biv_value, final_giv_value, find_splittable_regs): New
1220 argument n_iterations.
1221 (loop_iteration_var, loop_initial_value, loop_increment,
1222 loop_final_value, loop_comparison_code, loop_unroll_factor):
1223 Replaced global variables by loop_info structure.
1224 (loop_unroll_factor): Replace global array by element in
1225 loop_info structure.
1227 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1229 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
1232 * unroll.c (precondition_loop_p): Return loop_initial_value
1233 for initial_value instead of loop_iteration_var.
1235 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1237 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
1238 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
1239 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
1240 to output the instruction sequences.
1242 (rptb_top): Provide alternatives to use any register or memory
1244 (rptb_end): Emit use of operands rather than assigning them
1245 explicitly to the RS and RE registers.
1247 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1249 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
1250 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
1251 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
1252 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
1253 c4x_merge_notes, c4x_parallel_process,
1254 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
1255 c4x_combine_parallel): Delete.
1257 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1259 * config/c4x/c4x.c: (c4x_override_options): For compatibility
1260 with old target options clear flag_branch_on_count_reg if
1261 -mno-rptb specified and set flag_argument_alias is -mno-aliases
1263 (c4x_output_cbranch): Handle a sequence of insns rather than a
1265 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
1266 has not been allocated as the loop counter.
1267 (c4x_address_conflict): Do not allow two volatile memory references.
1268 (valid_parallel_operands_4, valid_parallel_operands_5,
1269 valid_parallel_operands_6): Reject pattern if the register destination
1270 of the first set is used as part of an address in the second set.
1272 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1274 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
1275 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
1276 is no longer enabled if PARALLEL_MPY_FLAG set.
1277 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
1278 (REG_CLASS_CONTENTS): Add braces around initializers.
1279 (HAVE_MULTIPLE_PACK): Define.
1280 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
1281 REAL_VALUE_TO_DECIMAL.
1282 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
1283 REAL_VALUE_TO_DECIMAL.
1284 (ar0_reg_operand): Add prototype.
1285 (ar0_mem_operand): Likewise.
1286 (ar1_reg_operand): Likewise.
1287 (ar1_mem_operand): Likewise.
1288 (ar2_reg_operand): Likewise.
1289 (ar2_mem_operand): Likewise.
1290 (ar3_reg_operand): Likewise.
1291 (ar3_mem_operand): Likewise.
1292 (ar4_reg_operand): Likewise.
1293 (ar4_mem_operand): Likewise.
1294 (ar5_reg_operand): Likewise.
1295 (ar5_mem_operand): Likewise.
1296 (ar6_reg_operand): Likewise.
1297 (ar6_mem_operand): Likewise.
1298 (ar7_reg_operand): Likewise.
1299 (ar7_mem_operand): Likewise.
1300 (ir0_reg_operand): Likewise.
1301 (ir0_mem_operand): Likewise.
1302 (ir1_reg_operand): Likewise.
1303 (ir1_mem_operand): Likewise.
1304 (group1_reg_operand): Likewise.
1305 (group1_mem_operand): Likewise.
1306 (ir1_reg_operand): Likewise.
1307 (arx_reg_operand): Likewise.
1308 (not_rc_reg): Likewise.
1309 (not_modify_reg): Likewise.
1310 (c4x_group1_reg_operand): Remove prototype.
1311 (c4x_group1_mem_operand): Likewise.
1312 (c4x_arx_reg_operand): Likewise.
1314 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
1316 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
1317 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
1319 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1321 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
1324 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1326 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
1327 unless FMOVD_WORKS is defined.
1329 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1331 * regclass.c (init_reg_sets): Move code that calculates tables
1332 dependent on reg_class_contents from here...
1333 (init_reg_sets_1): To here.
1335 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1337 * cpplib.h: Delete struct import_file. Add ihash element to
1338 struct cpp_buffer. Delete dont_repeat_files and
1339 import_hash_table elements from cpp_reader; change
1340 all_include_files to a hash table. Delete all foobar_include
1341 / last_foobar_include elements from struct cpp_options; put
1342 back four such: quote_include, bracket_include,
1343 system_include, after_include. Redo struct file_name_list
1344 completely. Add new structure type include_hash. Add
1345 prototypes for merge_include_chains and include_hash. Change
1346 prototypes for finclude, find_include_file, and
1347 append_include_chain to match changes below.
1349 * cppfiles.c (simplify_pathname, include_hash,
1350 remap_filename, merge_include_chains): New functions.
1351 (add_import, lookup_import, open_include_file): Removed.
1352 (INO_T_EQ): Define this (copied from cccp.c).
1353 (hack_vms_include_specification): Remove all calls and #if 0
1354 out the definition. It was being called incorrectly and at
1355 the wrong times. Until a VMSie can look at this, it's better
1356 to not pretend to support it.
1357 (append_include_chain): Change calling convention; now takes
1358 only one directory at a time, and sets up the data structure
1360 (redundant_include_p): Rewritten - this is now used for all
1361 include redundancy, whether by #ifndef, #import, or #pragma
1362 once. Looks up things in the include hash table.
1363 (file_cleanup): Decrement pfile->system_include_depth here if
1365 (find_include_file): Calling convention changed; now passes
1366 around a struct include_hash instead of 3 separate parameters.
1367 Guts ripped out and replaced with new include_hash mechanism.
1368 (finclude): Calling convention changed as for
1369 find_include_file. Error exits pulled out-of-line. Reformat.
1370 (safe_read): Return a long, not an int.
1371 (deps_output): Don't recurse.
1373 * cpplib.c (is_system_include): Deleted.
1374 (path_include): Fix up call to append_include_chain.
1375 (do_include): Fix up calls to find_include_file and finclude.
1376 Clean up dependency output a bit. Shorten obnoxiously lengthy
1377 #import warning message. Don't decrement
1378 pfile->system_include_depth here.
1379 (do_pragma): Understand the include_hash structure. Reformat.
1380 (do_endif): Correct handling of control macros. Understand
1382 (cpp_start_read): Fix up calls to finclude. Call
1383 merge_include_chains.
1384 (cpp_handle_option): Fix up calls to append_include_chain.
1385 Understand the four partial include chains.
1386 (cpp_finish): Add debugging code (#if 0-ed out) for the
1388 (cpp_cleanup): Free the include_hash, not the import hash and
1389 the all_include and dont_repeat lists which no longer exist.
1391 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
1393 * toplev.c (no_new_pseudos): Define.
1394 (rest_of_compilation): Set no_new_pseudos as needed.
1395 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
1396 if no_new_pseudos is set.
1397 * rtl.h (no_new_pseudos): Declare it.
1398 * reload1.c (reload): Update comments.
1399 * md.texi: Corresponding changes.
1401 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1403 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
1404 (choose_reload_regs): Rename it here as well. When computing it,
1405 also merge in used hardregs.
1407 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1409 * gcc.c: Split out Objective-C specs to...
1410 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
1413 * c-lex.c (init_parse): Always initialize the filename global.
1414 * objc/objc-act.c (lang_init): Always call check_newline at
1417 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
1419 * reload1.c (reload): Remove unused variable.
1420 (reload_reg_free_for_value_p): Add missing parameter definition.
1422 * jump.c (jump_optimize): Remove unused variable.
1424 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
1426 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
1428 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
1430 * expr.c (move_by_pieces): Similarly.
1431 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
1432 * flow.c (find_auto_inc): Similarly.
1433 (try_pre_increment): Similarly.
1434 * loop.c (strength_reduce): Similarly.
1435 * regclass.c (auto_inc_dec_reg_p): Similarly.
1436 * regmove.c (try_auto_increment): Similarly.
1437 (fixup_match_1): Similarly.
1438 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
1439 (HAVE_PRE_DECREMENT): Similarly.
1440 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
1441 * Corresponding changes to all target header files.
1442 * tm.texi: Update docs for autoinc addressing modes.
1444 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
1446 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
1447 * configure: Rebuild.
1448 * config/elfos.h: New file.
1449 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
1450 config/m68k/t-m68kelf: New file.
1452 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
1454 * Makefile.in (HOST_AR): Define.
1455 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
1456 (libcpp.a): Use the host tools explicitly.
1457 (STAGESTUFF): Add libcpp.a.
1459 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
1461 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
1462 to source and destination registers.
1464 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
1466 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
1467 The strategy we now use is to pre allocate the top_elt along
1468 with the EH context so that each thread has its own top_elt.
1469 This is necessary as the dynmanic cleanup chain is used on the
1470 top element of the stack and each thread MUST have its own.
1471 (eh_context_static): Likewise.
1472 (new_eh_context): Likewise.
1473 (__sjthrow): Likewise.
1475 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
1477 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
1478 * i386.md (prologue_get_pc): Remove unused variable.
1480 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
1482 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
1484 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
1486 * Makefile.in (OBJS): Add graph.o
1487 (graph.o): New dependency list.
1488 * flags.h: Declare dump_for_graph and define graph_dump_types type.
1489 * print-rtl.c (dump_for_graph): Define new variable.
1490 (print_rtx): Rewrite to allow use in graph dumping functions.
1491 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
1492 finish_graph_dump_file.
1493 Define graph_dump_format.
1494 (compile_file): If graph dumping is enabled also clear these files.
1495 Finish graph dump files.
1496 (rest_of_compilation): Also dump graph information if enabled.
1497 (main): Recognize -dv to enabled VCG based graph dumping.
1498 * graph.c: New file. Graph dumping functions.
1500 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
1502 * configure.in: Look for <sys/stat.h>.
1503 * system.h: Include it before substitute S_ISREG definitions.
1505 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
1507 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
1508 * config/mips/iris6.h: Same.
1509 * config/mips/mips.md: Same.
1510 * config/mips/mips.c: Same; also add "-mabi=o64" option.
1511 * config/mips/mips.h: Same; also define ABI_O64.
1513 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1515 * configure.in: Use AC_PREREQ(2.12.1).
1517 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
1519 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
1520 * cpplib.c, gcc.c: Likewise.
1521 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
1523 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
1525 * local-alloc.c (local_alloc): Use malloc not alloca for
1526 reg_qty, reg_offset, ref_next_in_qty.
1528 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1530 * caller-save.c (insert_one_insn): Initialize the live_before and
1531 live_after register sets.
1535 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
1536 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
1537 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
1538 (fp_reg_names, assembler_dialect): New variables.
1539 (print_operand_address): Handle SUBREGs.
1540 (print_operand): Added 'o' case.
1541 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
1542 Name of FP registers depends on mode.
1543 (expand_block_move): Emit different code for SH4 hardware.
1544 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
1545 (from_compare): Likewise.
1546 (add_constant): New argument last_value. Changed all callers.
1547 (find_barrier): Don't try HImode load for FPUL_REG.
1548 (machine_dependent_reorg): Likewise.
1549 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
1550 (gen_far_branch): Emit a barrier after the new jump.
1551 (barrier_align): Don't trust instruction lengths before
1553 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
1554 Use auto-inc addressing for fp registers if doubles need to
1555 be loaded in two steps.
1556 Set sh_flag_remove_dead_before_cse.
1557 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
1558 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
1559 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
1560 Support for FIRST_XD_REG .. LAST_XD_REG.
1561 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
1562 (sh_expand_epilogue): Likewise.
1563 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
1564 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
1565 (arith_reg_operand): FPUL_REG is OK for SH4.
1566 (fp_arith_reg_operand, fp_extended_operand) New functions.
1567 (tertiary_reload_operand, fpscr_operand): Likewise.
1568 (commutative_float_operator, noncommutative_float_operator): Likewise.
1569 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
1570 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
1571 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
1572 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
1573 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
1574 (CONDITIONAL_REGISTER_USAGE): Likewise.
1575 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
1576 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
1577 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
1578 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
1579 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
1580 to -1 and sh_flag_remove_dead_before_cse to 1.
1581 (ASSEMBLER_DIALECT): Define to assembler_dialect.
1582 (assembler_dialect, fp_reg_names): Declare.
1583 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
1584 Hide names of registers that are not accessible.
1585 (CACHE_LOG): Take TARGET_CACHE32 into account.
1586 (LOOP_ALIGN): Take TARGET_HARWARD into account.
1587 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
1588 (FIRST_PSEUDO_REGISTER: Now 49.
1589 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
1590 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
1591 (HARD_REGNO_MODE_OK): Update.
1592 (enum reg_class): Add DF_REGS and FPSCR_REGS.
1593 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
1594 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
1595 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
1596 (NPARM_REGS): Eight floating point parameter registers on SH4.
1597 (BASE_RETURN_VALUE_REG): SH4 also passes double values
1598 in floating point registers.
1599 (GET_SH_ARG_CLASS) Likewise.
1600 Complex float types are also returned in float registers.
1601 (BASE_ARG_REG): Complex float types are also passes in float registers.
1602 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
1603 (LIBCALL_VALUE): Remove trailing semicolon.
1604 (ROUND_REG): Round when double precision value is passed in floating
1606 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
1607 passed on the stack.
1608 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
1609 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
1610 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
1611 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
1612 (MODE_DISP_OK_8): Not for SH4 DFmode.
1613 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
1614 Allow indexed addressing for PSImode after reload.
1615 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
1616 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
1617 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
1618 (DOUBLE_TYPE_SIZE): 64 for SH4.
1619 (RTX_COSTS): Add PLUS case.
1620 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
1621 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
1622 MAC_REGS, PR_REGS, DF_REGS.
1623 (REGISTER_NAMES): Use fp_reg_names.
1624 (enum processor_type): Add PROCESSOR_SH4.
1625 (sh_flag_remove_dead_before_cse): Declare.
1626 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
1627 (PREDICATE_CODES): Add binary_float_operator,
1628 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
1629 fpscr_operand, noncommutative_float_operator.
1630 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
1631 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
1632 * sh.md (attribute cpu): Add value sh4.
1633 (attrbutes fmovd, issues): Define.
1634 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
1635 (function units memory, int, mpy, fp): Make dependent on issue rate.
1636 (function units issue, single_issue, load_si, load): Define.
1637 (function units load_store, fdiv, gp_fpul): Define.
1638 (attribute hit_stack): Provide proper default.
1639 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
1640 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
1641 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
1642 (mulsi3_call): Now uses match_operand for function address.
1643 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
1645 (push, pop, push_e, pop_e): Now define_expands.
1646 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
1647 (movsi_ie): Added y/i alternative.
1648 (ic_invalidate_line_i, movdf_i4): New insns.
1649 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
1650 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
1651 (movdf): Add special code for SH4.
1652 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
1653 (call_valuei, calli, call_value): Likewise.
1654 (movsf): Emit no-op move.
1655 (mov_nop, movsi_y): New insns.
1656 (blt, sge): generalize to handle DFmode.
1657 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
1658 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
1659 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
1660 (fpu_switch0, fpu_switch1, movpsi): New expanders.
1661 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
1662 (toggle_sz): New insn.
1663 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
1664 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
1665 (macsf3): Make use of fpscr visible. Disable for SH4.
1666 (floatsisf2): Make use of fpscr visible.
1667 (floatsisf2_i4): New insn.
1668 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
1669 (ieee_ccmpeqsf_t): Likewise.
1670 (fix_truncsfsi2): Emit different code for SH4.
1671 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
1672 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
1673 (negsf2, sqrtsf2, abssf2): Now expanders.
1674 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
1675 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
1676 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
1677 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
1678 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
1679 (fix_truncdfsi2_i4_2+1): New splitters.
1680 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
1681 (extendsfdf2, truncdfsf2): New expanders.
1682 (truncdfsf2_i4): New insn.
1683 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
1684 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
1685 * float-sh.h: When testing for __SH3E__, also test for
1686 __SH4_SINGLE_ONLY__ .
1687 * va-sh.h (__va_freg): Define to float.
1688 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
1689 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
1690 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
1691 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
1693 (TARGET_SH4_P): Define.
1696 * sh.md (movdf_k, movsf_i): Tweak the condition so that
1697 init_expr_once is satisfied about the existence of load / store insns.
1699 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
1700 change m constraint in source operand to mr / mf .
1702 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
1704 * (__VA_REEF): Define.
1705 (__va_arg_sh1): Use it.
1707 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
1709 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
1711 * i386/dgux.c (struct option): Add new "description field".
1712 * m88k/m88k.c (struct option): Likewise.
1714 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
1716 * version.c: Bump for snapshot.
1718 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1720 * regmove.c (regmove_profitable_p): Use return value of find_matches
1723 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
1725 * version.c: Bump for snapshot.
1727 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
1729 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
1730 without reload having been called earlier.
1732 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
1734 (v850_reorg): Similarly.
1736 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
1738 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1740 * loop.c (move_movables): Start of libcall might be new loop start.
1742 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1744 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
1746 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1748 * function.c (nonlocal_goto_handler_slots): Renamed from
1749 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
1750 (push_function_context_to): Adjust for this change.
1751 (pop_function_context_from): Likewise.
1752 (init_function_start): Likewise.
1753 (expand_function_end): Likewise.
1754 * function.h (struct function): Likewise.
1755 * calls.c (expand_call): Likewise.
1756 * explow.c (allocate_dynamic_stack_space): Likewise.
1757 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
1758 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
1760 (expand_goto): When doing a nonlocal goto, find corresponding handler
1761 slot for it. Don't put the label address in the static chain register.
1762 (expand_end_bindings): Break out nonlocal goto handling code into
1763 three new functions.
1764 (expand_nl_handler_label, expand_nl_goto_receiver,
1765 expand_nl_goto_receivers): New static functions, broken out of
1766 expand_end_bindings and adapted to create one handler per nonlocal
1768 * function.c (delete_handlers): Delete insn if it references any of
1769 the nonlocal goto handler slots.
1770 * i960.md (nonlocal_goto): Comment out code that modifies
1772 * sparc.md (nonlocal_goto): Likewise.
1773 (goto_handler_and_restore_v9): Comment out.
1774 (goto_handler_and_restore_v9_sp64): Comment out.
1776 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1778 * expr.c (STACK_BYTES): Delete unused macro.
1779 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
1780 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1781 (expand_call): Likewise.
1782 (emit_library_call): Likewise.
1783 (emit_library_call_value): Likewise.
1784 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
1785 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1786 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
1787 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1788 (allocate_dynamic_stack_space): Likewise.
1789 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
1790 (STACK_BOUNDARY): Update description to reflect the new situation.
1792 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
1794 * reorg.c (relax_delay_slots): When optimizing for code size, if a
1795 return with a filled delay slot is followed by a return with an
1796 unfilled delay slot, delete the first return and reemit the insn
1797 that was previously in its delay slot.
1799 * i860.c (single_insn_src_p): Add missing parens.
1800 * ginclude/math-3300.h: Likewise.
1802 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
1804 * regclass.c (init_reg_sets_1): Add prototype.
1805 (init_reg_modes): Likewise.
1807 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
1809 * c-common.c: Change warning messages to say `comparison is
1810 always true' or `comparison is always false' instead of the
1811 confusing `is always 0', `is always 1'.
1813 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
1815 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
1816 break instead of return (which loses closing '>').
1818 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
1820 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
1821 standard 387 constants.
1823 * i386.md (jump): Explicitly set "memory" attribute.
1824 (indirect_jump, prologue_set_stack_ptr): Likewise.
1825 (prologue_get_pc_and_set_got, pop): Likewise.
1826 (allocate_stack_worder, blockage, return_internal): Likewise.
1827 (return_pop_internal, nop): Likewise.
1828 (epilogue_set_stack_ptr, leave): Likewise.
1830 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
1832 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
1834 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1836 * reload1.c (reload_reg_free_for_value_p):
1837 Early auto_inc reloads don't conflict with outputs.
1839 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1841 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
1842 Instead call AC_HEADER_SYS_WAIT.
1844 * collect2.c: Don't provide defaults for sys/wait.h macros.
1846 * protoize.c: Likewise. Also, don't include sys/wait.h.
1848 * system.h: Include sys/wait.h and provide macro defaults.
1850 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1852 * Makefile.in (mandir): Set to @mandir@.
1853 (man1dir): New variable to hold the former value of $(mandir).
1854 Replace all uses of $(mandir) by $(man1dir).
1856 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
1858 * reload.c (find_reloads_address_part): If have a CONST_INT, create
1859 a new one before passing it to force_const_mem.
1861 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
1862 find_reloads_address call.
1864 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1866 * expr.c (store_expr): Don't generate load-store pair
1867 if TEMP is identical (according to ==) with TARGET.
1869 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1871 * reload1.c (reload_reg_free_for_value_p): When considered reload
1872 has an output, matching inputs are not sufficient to avoid conflict.
1874 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
1876 * hash.h (hash_table_key): New type.
1877 (hash_entry): Change `string' field to generic `key'.
1878 (hash_table): Add `comp' and `hash' functions.
1879 (hash_table_init): Take them as input.
1880 (hash_table_init_n): Likewise.
1881 (hash_lookup): Modify for generic keys.
1882 (hash_newfunc): Likewise.
1883 (hash_traverse): Likewise.
1884 (string_hash): New function.
1885 (string_compare): Likewise.
1886 (string_copy): Likewise.
1887 * hash.c (hash_table_init_n): Modify for generic keys.
1888 (hash_table_init): Likewise.
1889 (hash_lookup): Likewise.
1890 (hash_newfunc): Likewise.
1891 (hash_traverse): Likewise.
1892 (string_hash): Split out from hash_lookup.
1893 (string_compare): New function.
1894 (string_copy): Split out from hash_lookup.
1895 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
1897 (symbol_hash_lookup): Likewise.
1898 (file_hash_newfunc): Likewise.
1899 (file_hash_lookup): Likewise.
1900 (demangled_hash_newfunc): Likewise.
1901 (demangled_hash_lookup): Likewise.
1902 (tlink_int): Likewise.
1903 (read_repo_file): Likewise.
1904 (recompile_files): Likewise.
1905 (demangle_new_symbols): Likewise.
1906 (scan_linker_output): Likewise.
1908 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1910 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
1912 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
1914 * rs6000.c (output_mi_thunk): Improve test for local branch.
1916 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1918 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
1920 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1922 * reload1.c (reload_reg_free_before_p): Delete.
1923 Changed all callers to use reload_reg_free_for_value_p instead.
1924 (reload_reg_free_for_value_p): Handle more reload types.
1925 A RELOAD_FOR_INPUT doesn't conflict with its
1926 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
1927 Add special case for OUT == const0_rtx.
1928 Added ignore_address_reloads argument. Changed all callers.
1930 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
1932 * toplev.c (compile_file): Don't pedwarn about undefined static
1933 functions just because we passed -Wunused.
1935 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1937 * function.c (purge_addressof_1): Unshare rtl created by
1940 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1942 * regmove.c (regmove_optimize): Don't do anything but
1943 optimize_reg_copy[123] when flag_regmove is not set.
1945 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
1947 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
1948 value in paradoxical SImode result, rather than truncating midpoint.
1950 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
1952 * alpha.c (reg_not_elim_operand): New.
1953 * alpha.h (PREDICATE_CODES): Add it.
1954 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
1955 for the multiplicand.
1957 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
1959 * rs6000.md (movsf): Remove explicit secondary-reload-like
1960 functionality. Only truncate SFmode store if in FPR.
1961 (movsf splitters): Combine const_double splitters.
1962 (movsf_hardfloat): Add GPR support.
1964 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
1966 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
1967 deprecate -mlive-g0 and -mbroken-saverestore.
1968 * t-splet (MULTILIB_OPTIONS): Likewise.
1970 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
1971 in a leaf function. Clarify total_size/extra_size relationship.
1973 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
1975 * i386/cygwin32.asm: Delete.
1976 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
1977 * i386/cygwin32.h: Delete.
1978 * i386/cygwin.h: New file, renamed from cygwin32.h.
1979 * i386/t-cygwin32: Delete.
1980 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
1981 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
1982 * i386/x-cygwin32: Delete.
1983 * i386/x-cygwin: New file, renamed from x-cygwin32.
1984 * i386/xm-cygwin32: Delete.
1985 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
1986 renamed cygwin_ funcs for path translations.
1987 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
1988 * i386/winnt.c: Remove "32" from comment about cygwin.
1989 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
1990 * rs6000/cygwin32.h: Delete.
1991 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
1992 -D__CYGWIN__ to CPP_PREDEFINES.
1993 * rs6000/x-cygwin32: Delete.
1994 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
1995 * rs6000/xm-cygwin32: Delete.
1996 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
1998 * configure.in: Check for cygwin* instead of cygwin32. Account
1999 for the rename of cygwin-related config files to lose the "32"s.
2000 * configure: Regenerate.
2002 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
2003 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
2005 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
2007 * Makefile.in (JAVAGC): New macro.
2008 * configure: Rebuilt.
2009 * configure.in: Recognize --enable-java-gc argument. Subst
2012 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2014 Handle equivalences that have been obscured by gcse:
2016 * reload1.c (reload): Handle equivalences set up in multiple places.
2017 * local-alloc.c (reg_equiv_init_insns): New variable.
2018 (no_equiv): New function.
2019 (update_equiv_regs): Handle equivalences set up in multiple places.
2020 Don't ignore an insn just because its destination is likely to be
2023 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
2025 * except.c (expand_eh_return): Readd force_operand call lost in
2028 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
2030 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
2032 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2034 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
2036 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2038 * regmove.c (regmove_optimize): Fix error in last change.
2040 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
2042 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
2043 offset in the .mask pseudo to compensate for frame pointer adjustments.
2044 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
2045 word swap arguments moved to/from FP registers.
2046 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
2048 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
2050 * version.c: Bump for snapshot.
2052 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
2054 * version.c: Bump for snapshot.
2056 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
2058 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
2059 times, then it can not be completely replaced.
2061 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
2063 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
2065 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2067 * gansidecl.h: Prepend a "G" to the macro wrapping this file
2068 (to distinguish it from the macro wrapping ansidecl.h.)
2069 Include libiberty's ansidecl.h. Remove all redundant definitions.
2070 Define the PROTO() style macros in terms of the PARAMS() ones.
2073 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
2074 __STDC__, when deciding whether to use ANSI variable args.
2075 (emit_library_call_value): Likewise.
2077 * cccp.c (error): Likewise.
2078 (warning): Likewise.
2079 (error_with_line): Likewise.
2080 (warning_with_line): Likewise.
2081 (pedwarn): Likewise.
2082 (pedwarn_with_line): Likewise.
2083 (pedwarn_with_file_and_line): Likewise.
2086 * cexp.y (error): Likewise.
2087 (pedwarn): Likewise.
2088 (warning): Likewise.
2090 * collect2.c (fatal_perror): Likewise.
2094 * combine.c (gen_rtx_combine): Likewise.
2096 * cpperror.c (cpp_message): Likewise.
2097 (cpp_fatal): Likewise.
2099 * cpplib.c (cpp_error): Likewise.
2100 (cpp_warning): Likewise.
2101 (cpp_pedwarn): Likewise.
2102 (cpp_error_with_line): Likewise.
2103 (cpp_warning_with_line): Likewise.
2104 (cpp_pedwarn_with_line): Likewise.
2105 (cpp_pedwarn_with_file_and_line): Likewise.
2107 * cpplib.h: Don't define PARAMS() macro.
2109 * demangle.h: Likewise.
2111 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
2112 when deciding whether to use ANSI variable args.
2114 * emit-rtl.c (gen_rtx): Likewise.
2115 (gen_rtvec): Likewise.
2117 * final.c (asm_fprintf): Likewise.
2119 * fix-header.c (cpp_message): Likewise.
2121 (cpp_fatal): Likewise.
2123 * gcc.c (concat): Likewise.
2127 * genattr.c (fatal): Likewise.
2129 * genattrtab.c (attr_rtx): Likewise.
2130 (attr_printf): Likewise.
2133 * gencodes.c (fatal): Likewise.
2135 * genconfig.c (fatal): Likewise.
2137 * genemit.c (fatal): Likewise.
2139 * genextract.c (fatal): Likewise.
2141 * genflags.c (fatal): Likewise.
2143 * genopinit.c (fatal): Likewise.
2145 * genoutput.c (fatal): Likewise.
2148 * genpeep.c (fatal): Likewise.
2150 * genrecog.c (fatal): Likewise.
2152 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
2153 deciding whether to declare `tree_node' and `rtx_def'.
2155 * hash.h: Don't define stuff we get from gansidecl.h.
2157 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
2158 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2159 whether to use ANSI variable args.
2162 * prefix.c (concat): Likewise.
2166 * system.h: Likewise.
2168 * toplev.c (error_with_file_and_line): Likewise.
2169 (error_with_decl): Likewise.
2170 (error_for_asm): Likewise.
2173 (warning_with_file_and_line): Likewise.
2174 (warning_with_decl): Likewise.
2175 (warning_for_asm): Likewise.
2176 (warning): Likewise.
2177 (pedwarn): Likewise.
2178 (pedwarn_with_decl): Likewise.
2179 (pedwarn_with_file_and_line): Likewise.
2181 (really_sorry): Likewise.
2183 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2184 whether to declare `tree_node' and `rtx_def'.
2186 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
2187 deciding whether to use ANSI variable args.
2188 (build_nt): Likewise.
2189 (build_parse_node): Likewise.
2191 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
2193 * version.c: Bump for snapshot.
2195 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2197 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
2199 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2201 * collect2.c (main, case 'b'): Use else if.
2203 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2205 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
2206 Arrange to include gansidecl.h in {ht}config.h & tm.h just
2207 before the config/ directory headers.
2208 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
2209 gansidecl.h in the list of dependencies.
2211 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
2212 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
2213 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
2214 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
2215 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
2216 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
2219 * cccp.c: Don't include gansidecl.h.
2221 * collect2.c: Likewise.
2222 * config/c4x/c4x.c: Likewise.
2223 * config/v850/v850.h: Likewise.
2224 * cppalloc.c: Likewise.
2225 * cpperror.c: Likewise.
2226 * cppexp.c: Likewise.
2227 * cppfiles.c: Likewise.
2228 * cpphash.c: Likewise.
2229 * cpplib.c: Likewise.
2230 * cppmain.c: Likewise.
2231 * cppulp.c: Likewise.
2232 * demangle.h: Likewise.
2233 * doprint.c: Likewise.
2234 * dyn-string.c: Likewise.
2235 * eh-common.h: Likewise.
2236 * fix-header.c: Likewise.
2237 * frame.c: Likewise.
2240 * gen-protos.c: Likewise.
2241 * gencheck.c: Likewise.
2242 * halfpic.h: Likewise.
2244 * machmode.h: Likewise.
2245 * mbchar.c: Likewise.
2246 * prefix.c: Likewise.
2247 * protoize.c: Likewise.
2248 * recog.h: Likewise.
2250 * scan-decls.c: Likewise.
2252 * varray.h: Likewise.
2254 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
2256 * i386.md (call_value_pop): If we're not popping anything,
2257 defer to call_value.
2258 (call_pop): Likewise defer to call.
2260 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
2262 * function.c (purge_addressof): Clear purge_addressof_replacements
2263 only after processing the whole function.
2265 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
2267 * reload1.c (reload): If we can not perform a particular elimination
2268 when we thought we could earlier, then we must always iterate through
2269 the loop at least one more time.
2271 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
2273 * alpha.c (add_operand): Simplify the CONST_INT match.
2274 (sext_add_operand): Correct typo in comparison by using
2275 CONST_OK_FOR_LETTER_P.
2276 * alpha.md (s?addq): Use sext_add_operand to allow the negative
2277 constant alternatives to be generated.
2278 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
2279 small constants, since the hw instructions do.
2281 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2283 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
2284 previous insn to store directly into our reload register, make sure
2285 that if the source of the previous insn is a reload register, its
2286 spill_reg_store and spill_reg_stored_to values are cleared.
2288 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
2290 * rs6000.md (floatunssidf2_internal splitter): Use base register
2291 operand, not hard-coded SP.
2293 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2295 * jump.c (calculate_can_reach_end): Fix thinko.
2297 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
2299 * reorg.c (fill_simple_delay_slots): Fix typo.
2301 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
2303 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
2305 * i386.md (extendsidi2): Use # in the output template.
2306 (extendsidi splitters): New splitters.
2308 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
2310 * configure.in: Use unknown-elf.h as tm_file for arm-elf
2312 * configure: Regenerate.
2314 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2316 * jump.c (init_label_info, delete_barrier_successors,
2317 mark_all_labels, delete_unreferenced_labels,
2318 delete_noop_moves, calculate_can_reach_end): New functions broken
2319 out of jump_optimize.
2320 (jump_optimize): Use them.
2322 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2324 * except.c (expand_fixup_region_end): Make sure outer context labels
2325 are not issued in an inner context during cleanups.
2327 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
2329 * alpha.md (addsi3, subsi3): No new temporaries once cse is
2332 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
2334 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
2335 to expose this midpoint to CSE.
2337 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2339 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
2341 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2343 * configure.in: Bring over gcc2 change of Nov 19 1997.
2345 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
2347 * toplev.c (output_lang_identify): Make definition dependent on
2348 ASM_IDENTIFY_LANGUAGE.
2350 * print-rtl.c (spaces): Make static.
2352 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
2354 * extend.texi: Clarify proper uses for register clobbers in asms.
2356 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2358 * recog.h (enum op_type): Define.
2359 (constrain_operands): Adjust prototype.
2360 (recog_op_type): Declare new variable.
2361 * recog.c (recog_op_type): New variable.
2362 (insn_invalid_p): Allow modifying an asm statement after reload.
2363 (extract_insn): Set up recog_op_type.
2364 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2365 Don't compute operand types, use recog_op_type.
2366 Use the information computed by extract_insn instead of the previous
2367 method of finding it by insn code number.
2368 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2369 * reorg.c (fill_slots_from_thread): Likewise.
2370 * reload1.c (reload_as_needed): Likewise.
2371 (gen_reload): Likewise.
2372 (inc_for_reload): Likewise.
2373 (reload_cse_simplify_operands): Likewise.
2374 Use the information computed by extract_insn instead of the previous
2375 method of finding it by insn code number.
2376 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
2378 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
2379 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
2380 Use the information computed by extract_insn instead of the previous
2381 method of finding it by insn code number.
2382 * regmove.c (find_matches): Likewise. Change meaning of the return
2383 value to be nonzero if the optimization can be performed, zero if
2384 not. All callers changed.
2385 Shorten some variable names to fix formatting problems.
2386 (regmove_optimize): Shorten some variable names to fix formatting
2388 Use the information computed by extract_insn instead of the previous
2389 method of finding it by insn code number.
2390 * regclass.c (scan_one_insn): Likewise.
2391 (record_reg_classes): Don't compute operand types, use recog_op_type.
2392 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
2393 recog_constraints instead.
2395 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
2397 * rtl.h (flow2_completed): Declare.
2398 * flow.c (flow2_completed): Definition.
2399 * toplev.c (rest_of_compilation): Set and clear flow2_completed
2402 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2404 * Makefile.in (libcpp.a): Ranlib libcpp.a
2406 * cppulp.c (user_label_prefix): Initialize.
2408 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
2410 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
2411 at a RETURN if current_function_sp_is_unchanging is set.
2413 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2415 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
2417 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
2419 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
2420 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
2421 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
2422 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
2423 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
2424 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
2426 (LIB_SPEC): Handle -mno-cyginw option.
2427 (LINK_SPEC): Handle -mdll.
2429 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2431 * reload.c (find_reloads): Fix test for usage by other reload
2432 to handle secondary reloads properly.
2434 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2436 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
2437 intermediate structure which has exactly the members provided by
2438 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
2439 static intermediate structure.
2441 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
2442 from the intermediate structure. Do the same analogous fix in
2443 the case where ELIMINABLE_REGS is not defined.
2445 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
2447 * pa.h (SELECT_SECTION): Fix thinko.
2449 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
2451 * dwarf2out.c (output_call_frame_info): Comments on last change.
2453 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
2455 * arm.c (add_constant): When taking the address of an item in the
2456 pool, get the mode of the item addressed.
2458 * arm.c (final_prescan_insn case INSN): If an insn doesn't
2459 contain a SET or a PARALLEL, don't consider it for conditional
2462 Restore ABI compatibility for NetBSD.
2463 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
2465 (RETURN_IN_MEMORY): Likewise.
2467 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
2469 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
2470 (m32r_output_block_move): Rewrite bytes < 4 handling.
2472 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2474 * configure.in: Call AC_FUNC_VFORK.
2476 * collect2.c: Define VFORK_STRING as a printable string for
2477 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
2478 defined, include vfork.h. If VMS is defined, define vfork()
2479 appropriately. Remove vfork check on USG, we're using autoconf.
2480 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
2481 checking locally what string to pass.
2482 (scan_prog_file): Likewise.
2483 (scan_libraries): Likewise.
2485 * gcc.c: Remove vfork check on USG, we're using autoconf.
2486 Besides, no calls to vfork/fork occur in this file.
2488 * protoize.c: Likewise.
2490 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2492 * configure.in (DEFAULT_LINKER): renamed from LD
2493 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
2494 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
2495 * configure: rebuilt
2497 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2499 * BUGS: fix the regexp for `more' to find the appropriate node.
2500 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
2502 * BUGS: added link to the WWW FAQ
2504 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
2506 * version.c: Bump for snapshot.
2508 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
2510 * From Christian Gafton:
2511 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
2512 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
2513 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
2515 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
2517 * c-common.c (c_get_alias_set): Allow all type-punning through
2518 unions. Don't get confused about the type of a bit-field, despite
2519 the antics of build_modify_expr.
2521 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
2523 * fixinc.sco: Paramaterize #include_next values.
2524 * fixinc/fixinc.sco: Likewise.
2526 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
2528 * toplev.c (rest_of_compilation): No longer set reload_completed.
2529 * reload1.c (reload): Set it here. Perform instruction splitting
2530 after reload has completed if we will be running the scheduler
2533 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
2535 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
2536 EH region if exceptions are enabled and we're performing cross
2538 (find_cross_jump): Exit loop if the insns are in different EH regions.
2540 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
2542 * dwarf2out.c (output_call_frame_info): Use
2543 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
2545 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2547 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
2548 * c-common.c (check_format_info): Don't check for the 'x'
2549 format character twice, instead check for 'x' and 'X'
2551 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
2553 * configure.in (assembler features): Also make gas is configured if
2554 we find it in the souce tree.
2556 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
2558 * i386.c (i386_comp_type_attributes): Compare whether the
2559 attributes are defined, not their tree nodes.
2561 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2563 * configure.in (gxx_include_dir): bitten by autoconf quoting
2565 * configure: rebuilt
2567 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2569 * configure.in: Ignore non-absolute value in $AS.
2571 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
2573 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
2575 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
2577 * configure.in (msdosdjgpp): Set exeext and target_alias.
2579 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2581 * flow.c (XNMALLOC): New macro.
2582 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
2584 (add_edge, add_edge_to_label): New static functions.
2585 (free_bb_memory): New function.
2586 (flow_delete_insn): Delete function.
2587 (basic_block_drops_in): Delete variable.
2588 (find_basic_blocks): Allocate and initialize basic_block_head,
2589 basic_block_succ. Don't allocate basic_block_drops_in.
2590 Call free_bb_memory at the beginning.
2591 (find_basic_blocks_1): Don't do multiple passes.
2592 Delete code to compute basic_block_drops_in.
2593 After calling make_edges, mark blocks reached by current block live.
2594 Update test for unreachable live blocks.
2595 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
2597 Simplify to call add_edge_to_label when a LABEL_REF is found.
2598 (make_edges): Simplify to call add_edge_to_label instead of
2599 mark_label_ref most of the time.
2600 Compute here whether control drops into the next block.
2601 (delete_unreachable_blocks): Return void. All callers changed.
2602 Delete unreachable blocks in reverse order.
2603 After deleting all unreachable blocks, renumber the remaining ones
2604 and update n_basic_blocks.
2605 (delete_block): Speed up deletion a bit.
2606 Don't set basic_block_drops_in for deleted blocks.
2607 (free_basic_block_vars): Don't free basic_block_drops_in.
2608 (life_analysis_1): Update to use new edge representation.
2609 (dump_flow_info): Delete code to print basic block info; call
2610 dump_bb_data instead.
2611 (compute_preds_succs): Delete code to recompute basic_block_drops_in
2612 and uid_block_number.
2613 Simply copy the previously computed cfg.
2614 (dump_bb_data): New arg LIVE_INFO. All callers changed.
2615 Print register lifetime information if LIVE_INFO is nonzero.
2616 * basic-block.h (dump_bb_data): Adjust prototype.
2617 * gcse.c (gcse_main): Update call to dump_bb_data.
2618 * rtl.h (free_bb_memory): Declare.
2619 * toplev.c (rest_of_compilation): Call free_bb_memory.
2621 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
2622 (update_eliminable_offsets): Don't compute it.
2623 (set_initial_elim_offsets): Don't initialize it.
2624 Break out some code into set_initial_label_offsets so the rest of
2625 this function can be called from reload_as_needed.
2626 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
2627 ELIMINABLE_REGS isn't.
2628 (set_initial_label_offsets): New function, broken out of
2629 set_initial_elim_offsets.
2630 (set_offsets_for_label): New function, broken out of set_label_offsets
2631 and reload_as_needed.
2632 (reload): Call the two new functions.
2633 (reload_as_needed): Call set_initial_elim_offsets instead of
2634 duplicating the code. Likewise for set_offsets_for_label.
2636 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
2637 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
2638 any hard reg, reg_reloaded_dead contains valid data.
2640 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
2642 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
2643 "stdcall" and "cdecl" attributes.
2645 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
2647 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
2648 handle deleted no-op moves of hard registers.
2649 * haifa-sched.c (update_flow_info): Likewise.
2651 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
2653 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
2654 of the sequences to reload the HILO register which do not actually
2657 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
2659 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
2661 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2663 * except.c (emit_eh_context): Make the EH context register stay alive
2664 at -O0 so stupid.c doesn't get confused.
2666 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2668 * emit-rtl.c (try_split): Do not try to split a BARRIER.
2670 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
2671 Jeffrey A Law (law@cygnus.com)
2673 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
2674 (zero_extendsidi2): Use # in output template and handle completely by
2676 (zero_extend splitters): New define_splits.
2677 (ashiftrt_32): New pattern.
2679 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2681 * tree.c (append_random_chars): New fn.
2682 (get_file_function_name_long): Use it.
2684 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
2686 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
2687 (LIBCPP_OBJS): New. Add cppulp.o.
2688 (cppmain, fix-header): Depend on and use libcpp.a.
2689 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
2690 of the individual object files.
2691 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
2694 * cccp.c (user_label_prefix): New.
2695 (main): Set it off -f*leading-underscore.
2696 (special_symbol): Use it.
2697 * cpplib.c (special_symbol): Likewise.
2698 (cpp_handle_option): Handle -f*leading-underscore.
2699 * cppulp.c: New file.
2701 * output.h (user_label_prefix): Declare it.
2702 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
2703 * toplev.c (f_options, main): Handle -f*leading-underscore.
2705 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
2706 referencing USER_LABEL_PREFIX directly.
2707 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
2708 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
2709 * final.c (asm_fprintf): Use user_label_prefix instead.
2710 * arm/thumb.c (thumb_print_operand): Likewise.
2712 * gcc.c (default_compilers): Pass -f*leading-underscore on to
2713 cpp wherever appropriate.
2715 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
2717 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
2718 specific compiler switches.
2720 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
2722 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
2725 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2727 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
2728 structure which has exactly the members provided by EXTRA_SPECS.
2729 Xmalloc() the real `extra_specs', and initialize it from this
2730 intermediate structure.
2732 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
2734 * mips.h (EXTRA_SPECS): Likewise.
2736 * sparc.h (EXTRA_SPECS): Likewise.
2738 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2740 * function.c (purge_addressof_1): Instead of aborting when a
2741 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
2742 work just put the ADDRESSOF on stack. Otherwise remember all such
2743 successfull replacements, so that exactly the same replacements
2744 can be made on the REG_NOTEs. Remove the special case for CALL
2746 (purge_addressof_replacements): New variable.
2747 (purge_addressof): Clear it at end.
2749 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2751 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
2752 (lang_init): Call check_newline always.
2753 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
2754 cpp_start_read, set yy_cur and yy_lim to read from
2755 parse_in.token_buffer, so that we'll see the first #line
2757 * cpplib.c (cpp_start_read): finclude the main input file
2758 before processing -include/-imacros. Process -imacros and
2759 -include separately, and handle -include by stacking a
2760 buffer for the file in question as if it'd been #included.
2761 * toplev.c (documented_lang_options) Recognize -H when
2764 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2766 * cpplib.c: Merge do_once into do_pragma. Break file handling
2767 code out of do_include.
2768 Move append_include_chain, deps_output,
2769 file_cleanup, redundant_include_p, import_hash,
2770 lookup_import, add_import, read_filename_string, read_name_map,
2771 open_include_file, finclude, safe_read to cppfiles.c.
2772 Move prototypes for deps_output, append_include_chain,
2773 finclude to cpplib.h. Move definition of struct
2774 file_name_list there also.
2776 * cppfiles.c: New file. Contains all the above functions
2777 broken out of cpplib.c; also hack_vms_include_specification
2778 from cccp.c and find_include_file, a new function broken out of
2781 * Makefile.in (cppmain): Depend on cppfiles.o.
2782 (fix-header): Likewise.
2783 (cppfiles.o): New target.
2784 * configure.in (--enable-c-cpplib): Add cppfiles.o to
2785 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
2787 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
2789 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
2790 if pending_types is non-zero.
2791 (dwarfout_finish): Verify pending_types is zero before finishing.
2793 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
2795 * expr.c (convert_move): Use shifts to perform the move if a
2796 suitable extend pattern cannot be found. Code written by
2797 Richard Henderson <rth@cygnus.com>.
2799 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2801 * regclass.c (renumber, regno_allocated): New static variables, moved
2802 out of allocate_reg_info.
2803 (allocate_reg_info): Move these two variables outside the function.
2804 Move code to free memory into new function free_reg_info.
2805 (free_reg_info): New function, broken out of allocate_reg_info.
2806 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
2807 * rtl.h (allocate_reg_info): Don't declare.
2808 (free_reg_info): Declare.
2810 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
2812 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
2814 * toplev.c (compile_file): Temporarily revert last change.
2816 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2818 * c-typeck.c (convert_for_assignment): Parenthesize.
2820 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2822 * reload1.c (delete_output_reload): Avoid ambigous else.
2824 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
2826 * toplev.c (compile_file): Call allocate_reg_info to free register
2828 * rtl.h (allocate_reg_info): Declare.
2830 * PROJECTS: Remove entry for local spilling.
2832 * final.c (cleanup_subreg_operands): New function.
2833 (final_scan_insn): Use it.
2834 (alter_subreg): Clear the "used" field when we turn a SUBREG into
2836 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
2837 operands when reload has finished.
2838 * reload.h (cleanup_subreg_operands): Declare..
2839 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
2840 reload. Handled in reload itself.
2842 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2844 * reload1.c (verify_initial_offsets): New function.
2845 (reload): Call it after reload_as_needed. Also verify that the frame
2846 size stays constant during reload_as_needed.
2847 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
2849 * reload.h (struct insn_chain): Add need_operand_change element.
2850 * reload1.c (new_insn_chain): Clear it.
2851 (calculate_needs_all_insns): Set it; don't overload need_reload.
2852 (reload_as_needed): Use it.
2854 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
2855 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
2856 and reload_address_index_reg_class.
2857 (find_reloads_address_1): Likewise.
2858 * reload.h (reload_address_base_reg_class,
2859 reload_address_index_reg_class): Don't declare.
2860 * reload1.c (reg_old_renumber, pseudo_previous_regs,
2861 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
2862 (used_spill_regs): Now static.
2863 (reload_address_base_reg_class, reload_address_index_reg_class,
2864 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
2865 basic_block_needs, max_needs, group_size, group_mode, max_groups,
2866 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
2869 (init_reload): Delete code to compute base/index reg classes.
2870 (reload): Delete variable J.
2871 Delete code to manage basic_block_needs.
2872 Don't compute regs_explicitly_used.
2873 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
2874 pseudo_previous_regs.
2875 Initialize bad_spill_regs_global.
2876 Don't call order_regs_for_reload here.
2877 Don't initialize spill_reg_order and n_spills.
2878 Don't forbid explicitly used regs to be used for spill regs.
2879 Change main loop to infinite loop, with explicit break statements.
2880 Make SOMETHING_CHANGED variable local to that loop.
2881 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
2882 max_groups_insn, max_nongroups_insn, group_size, group_mode.
2883 Make sure spilled_speudos is cleared before calling spill_hard_reg or
2885 Don't call dump_needs.
2886 Delete code to reset potential_reload_regs.
2887 Delete code to terminate loop conditional on the global needs variables
2888 showing no further needs.
2889 (calculate_needs_all_insns): Return void. All callers changed.
2890 Initialize somehing_needs_elimination here, not in reload.
2891 Delete avoid_return_reg kludge.
2892 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
2893 All callers changed.
2894 Initialize the group_mode and group_size elements of the arg CHAIN.
2895 Delete code to manage basic_block_needs.
2896 Operate on elements of CHAIN instead of global variables.
2897 Delete avoid_return_reg kludge.
2898 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
2899 All callers changed.
2900 Operate on elements of CHAIN instead of global variables.
2901 Delete special SMALL_REGISTER_CLASSES code.
2902 Delete spill_failure code; now in new_spill_reg.
2903 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
2904 All callers changed.
2905 Operate on elements of CHAIN instead of global variables.
2906 (maybe_mark_pseudo_spilled): New static function.
2907 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
2908 All callers changed.
2909 Operate on elements of CHAIN instead of global variables.
2910 Call order_regs_for_reload here, not in reload.
2911 Initialize spill_reg_order and n_spills.
2912 Simplify test whether an asm insn is involved.
2913 Delete spill_failure code; now in new_spill_reg.
2914 Call maybe_mark_pseudo_spilled for everything marked as live in
2915 CHAIN. Merge CHAIN's used_spill_regs into the global variable
2917 (dump_needs): Take CHAIN arg. No longer static, to prevent the
2918 compiler from optimizing this function (now unused) away.
2919 Operate on elements of CHAIN instead of global variables.
2920 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
2922 Operate on elements of CHAIN instead of global variables.
2923 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
2924 take CHAIN arg. All callers changed.
2925 Operate on elements of CHAIN instead of global variables.
2926 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
2927 CHAIN, NONGROUP args. Return void. All callers changed.
2928 Verify caller isn't trying to spill a pseudo.
2929 Simplify test for illegal reg, just use bad_spill_regs.
2930 Generate better error messages.
2931 Operate on elements of CHAIN instead of global variables.
2932 Mark spilled register in CHAIN's used_spill_regs element.
2933 Don't call spill_hard_reg.
2934 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
2935 Mark spilled hard regs in bad_spill_regs_global.
2936 Mark affected pseudos in spilled_pseudos, but don't spill them.
2937 (ior_hard_reg_set): New static function.
2938 (finish_spills): Return int. All callers changed.
2939 Compute spill_reg_order, n_spills and spill_regs here. Also update
2940 regs_ever_live for regs used as spills.
2941 For every pseudo in spilled_pseudos, spill it and mark the previous
2942 hard reg it had in pseudo_previous_regs. Compute which hard regs
2943 arseudo): New static function.
2944 (order_regs_for_reload): Take CHAIN arg. All callers changed.
2945 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
2946 hard registers explicitly used across the current insn into the set.
2947 Compute hard_reg_n_uses taking only pseudos live across this insn
2949 Tweak sorting of potential_reload_regs.
2950 (compare_spill_regs): Delete function.
2951 (reload_as_needed): Don't sort the spill_regs array, it's computed
2952 in proper order in finish_spills.
2953 Delete avoid_return_reg kludge.
2954 Delete code to manage basic_block_needs.
2955 (allocate_reload_reg): Minor speed/readability tweaks.
2956 Operate on elements of CHAIN instead of global variables.
2957 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
2958 Delete avoid_return_reg kludge.
2959 Initialize reload_reg_used from CHAIN's used_spill_regs element.
2960 Delete unused label FAIL.
2961 (reload_combine): Replce reload_address_index_reg_class with
2963 Don't use used_spill_regs to determine information about lifetime of
2966 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
2968 * toplev.c (display_help): Ignore empty target specific
2969 options, and if -W is also specified on the command line then
2970 display undocumented options.
2972 * config/arm/arm.c: Updated with changes in devo sources.
2973 * config/arm/arm.h: Updated with changes in devo sources.
2974 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
2975 * config/arm/lib1thumb.asm: Add ELF support.
2977 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
2979 * collect2.c (aix64_flag): New variable.
2980 (main, case 'b'): Parse it.
2981 (GCC_CHECK_HDR): object magic number must match mode.
2982 (scan_prog_file): Only check for shared object if valid header.
2983 Print debugging if header/mode mismatch.
2985 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
2987 Added support for arm-elf-linux configuration, submitted by Philip
2988 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
2989 code developed by Catherine Moore <clm@cygnus.com>. The following
2992 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
2995 * configure: Regenerated.
2997 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
2998 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
2999 definitions conditional on their not having been already defined.
3001 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
3002 and .type directives, and add "(PLT)" qualification to function
3005 * config/arm/linux.h: Deleted. This file is now superceeded by
3006 either linux-elf.h or linux-aout.h.
3008 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
3009 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
3011 Move definitions from old linux.h file here.
3013 * config/arm/elf.h: New file. Generic ARM/ELF support.
3015 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
3017 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
3019 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
3020 using the 26bit APCS.
3022 * config/arm/unknown-elf.h: New file. Support for OS'es other
3023 than Linux with ELF.
3025 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
3028 * config/arm/coff.h: Include aout.h for basic assembler macros.
3029 Add support for -mstructure_size_boundary=<n> command line option.
3031 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
3032 command line option. Make macro definitions conditional on their
3033 not having been already defined.
3035 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
3036 command line option.
3039 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
3041 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
3042 has been changed to not include a newline. Use this macro instead.
3043 (output_enumeral_list, const_value_attribute, name_attribute,
3044 comp_dir_attribute, prototyped_attribute, producer_attribute,
3045 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
3046 dwarfout_file_scope_decl, generate_new_sfname_entry,
3047 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
3048 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
3050 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
3052 * combine.c (subst): Process the inputs to a parallel asm_operands
3055 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
3057 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
3059 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
3061 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
3063 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
3065 * version.c: Bump for snapshot.
3067 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
3069 * stmt.c (expand_fixup): Set fixup->before_jump to a
3070 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
3072 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3074 * Makefile.in (recog.o): Depend on toplev.h.
3075 (insn-emit.o): Depend on recog.h.
3076 (insn-peep.o): Depend on recog.h and insn-config.h.
3078 * combine.c (simplify_set): Remove unused variable `scratches'.
3080 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
3081 and `idx' in macro conditional controlling their use.
3083 * genemit.c (main): Make the generated output file include
3084 recog.h. Don't have it declare `insn_operand_constraint', since
3085 we get it from recog.h.
3087 * genpeep.c (main): Make the generated output file include
3088 insn-config.h and recog.h.
3090 * recog.c: Include toplev.h.
3091 (extract_insn): Remove unused variable `p'.
3093 * regclass.c (fix_register): Add missing braces around initializer
3095 (allocate_reg_info): Move variable `i' into the scope where it is
3096 used. Change its type to `size_t'.
3098 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3100 * reload.c (push_reload): When merging reloads, make sure
3101 that reload_in_reg and reload_in are from the same reload in
3104 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
3106 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
3107 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3109 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
3111 * loop.c (loop_has_tablejump): New variable.
3112 (prescan_loop): Scan for it.
3113 (insert_bct): Replace explicit scan with use of it.
3114 * regclass.c (regclass): Restore loop variable j.
3115 (record_reg_classes): Deterine op_types modifiers and initialize
3116 classes[i] before matching constraints. Handle matching
3119 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
3121 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
3124 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3126 * mips.h (EXTRA_SPECS): Add missing initializers.
3128 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3130 * sparc.h (EXTRA_SPECS): Add missing initializers.
3131 (sparc_defer_case_vector): Provide a prototype.
3133 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
3134 comparing it to the result of a pointer subtraction.
3136 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3138 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
3139 the argument to (unsigned char).
3141 * alpha.h (EXTRA_SPECS): Add missing initializers.
3142 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
3145 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
3147 * flow.c (life_analysis_1): Enable "rescan" code after reload.
3148 (propagate_block): Delete dead code after reload.
3150 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
3151 back Oct 15, 1998 change.
3152 * haifa-sched.c (update_flow_info): Likewise.
3153 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
3155 * mn10200.md (truncated shift): Accept constant inputs too.
3157 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
3159 * machmode.h (mode_mask_array): No longer const.
3160 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
3162 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3164 * frame.c: Somewhat explain `FDE'.
3165 Suggested by Brendan Kehoe
3167 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
3169 * expr.c (pending_chain): Move up.
3170 (save_expr_status): Do save pending_chain.
3171 (restore_expr_status): And restore it.
3172 * function.h (struct function): Add pending_chain.
3174 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3176 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
3177 did not match the code.
3179 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3181 * regclass.c (regclass): Break out some code into new function
3182 scan_one_insn, and into regclass_init.
3183 (init_cost): New static variable, moved out of regclass.
3184 (regclass_init): Initialize it here, not in .
3185 (scan_one_insn): New static function, broken out of regclass.
3186 * recog.c (apply_change_group): Break out some code into new
3187 function insn_invalid_p.
3188 (insn_invalid_p): New static fn, broken out of apply_change_group.
3190 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
3192 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
3193 reg_reloaded_contents matches incremented pseudo.
3195 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
3197 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3199 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
3200 addressing modes with side effects. These are currently
3201 placeholders for the C4x target.
3203 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3205 * loop.c (express_from): Make sure that when generating a PLUS of
3206 a PLUS, any constant expression appears on the outermost PLUS.
3208 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
3210 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
3211 works if "$(srcdir)" != ".".
3213 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
3215 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
3216 existing SUBREG if we can, otherwise abort.
3218 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
3220 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
3221 `restrict' is applied to a non-pointer variable.
3223 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
3225 * invoke.texi: Document -flang-isoc9x.
3227 * Makefile.in (OBJS): Add splay-tree.o.
3228 (c-common.o): Depend on rtl.h.
3229 (splay-tree.o): List dependencies and provide build rule.
3231 * rtl.h (record_alias_subset): New function.
3232 * alias.c: Include splay-tree.h.
3233 (alias_set_entry): New type.
3234 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
3235 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
3236 (mems_in_disjoin_alias_sets_p): New function.
3237 (alias_set_compare): Likewise.
3238 (insert_subset_children): Likewise.
3239 (get_alias_set_entry): Likewise.
3241 * tree.h (TYPE_RESTRICT): New macro.
3242 (TYPE_UNQUALIFIED): New manifest constant.
3243 (TYPE_QUAL_CONST): Likewise
3244 (TYPE_QUAL_VOLATILE): Likewise.
3245 (TYPE_QUAL_RESTRICT): Likewise.
3246 (tree_type): Add restrict_flag. Reduce count of free bits.
3247 (DECL_POINTER_ALIAS_SET): New macro.
3248 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
3249 (tree_decl): Add pointer_alias_set.
3250 (build_qualified_type): New function.
3251 (build_type_variant): Define in terms of build_qualified_type.
3252 * tree.c (set_type_quals): New function.
3253 (make_node): Initializae DECL_POINTER_ALIAS_SET.
3254 (build_type_attribute_variant): Use build_qualified_type and
3256 (build_type_variant): Rename, and modify, to become...
3257 (build_qualified_type): New function.
3258 (build_complex_type): Use set_type_quals.
3260 * c-tree.h (C_TYPE_OBJECT_P): New macro.
3261 (C_TYPE_FUNCTION_P): Likewise.
3262 (C_TYPE_INCOMPLETE_P): Likewise.
3263 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
3264 (c_apply_type_quals_to_decl): New function.
3265 (c_build_qualified_type): New function.
3266 (c_build_type_variant): Define in terms of c_build_qualified_type.
3267 (flag_isoc9x): Declare.
3268 * c-typeck.c (qualify_type): Use c_build_qualified_type.
3269 (common_type): Change to use TYPE_QUALS.
3270 (comptypes): Likewise.
3271 (convert_for_assignment): Likewise.
3272 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
3273 * c-decl.c (flag_isoc9x): Define.
3274 (c_decode_option): Handle -flang-isoc9x.
3275 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
3276 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
3277 * c-lex.c (init_lex): Deal with restrict.
3278 (init_lex): Don't treat restrict as a reserved word in
3279 -traditional mode, or without -flang-isoc9x.
3280 * c-lex.h (rid): Add RID_RESTRICT.
3281 * c-parse.gperf (restrict, __restrict, __restrict__): Make
3282 equivalent to RID_RESTRICT.
3283 * c-parse.in (TYPE_QUAL): Update comment.
3284 * c-common.c: Include rtl.h.
3285 (c_find_base_decl): New function.
3286 (c_build_type_variant): Rename, and modify, to become ...
3287 (c_build_qualified_type): New function.
3288 (c_apply_type_quals_to_decl): Likewise.
3289 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
3290 a particular alias set for the reference.
3291 * toplev.c (documented_lang_options): Add -flang-isoc9x.
3293 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
3295 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
3296 command line switches.
3298 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
3300 * reload.c (loc_mentioned_in_p): Add missing braces to bind
3303 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
3305 * gcc.c (option_map): Added --classpath and --CLASSPATH.
3307 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
3309 * regclass.c (fix_register): Add error message.
3310 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
3313 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3315 * c-decl.c (warn_missing_noreturn): New global variable.
3316 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
3317 (finish_function): Implement missing noreturn warning.
3319 * c-tree.h (warn_missing_noreturn): Declare extern.
3321 * invoke.texi: Document new flags.
3323 * toplev.c (documented_lang_options): Add description.
3325 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3327 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
3328 loop optimization stable for the C4x.
3329 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
3330 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
3331 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
3333 (c4x_address_conflict): Be more paranoid when packing a volatile
3334 memref in a parallel load/store.
3336 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3338 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
3339 repeat_block_filler): Deleted.
3340 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
3341 Condition code not set if destination register from 'c' class.
3342 (*subbqi3_carry_clobber): Fix typo.
3344 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3346 * reorg.c (steal_delay_list_from_target) Check for insns that
3347 modify the condition codes and effect the direction of the jump
3350 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3352 * function.c (purge_addressof_1): Replace call to
3353 emit_insns_before() with emit_insn_before().
3355 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
3357 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
3359 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3361 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3363 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3365 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3366 clobbered across calls.
3368 * loop.c (scan_loop): Be more selective about what invariants are
3369 moved out of a loop.
3371 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
3373 * version.c: Bump for snapshot.
3375 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3377 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
3378 static eh_context structure.
3380 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3382 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
3384 (try_combine): Don't update max_scratch.
3385 * flow.c (max_scratch, num_scratch): Delete variables.
3386 (life_analysis_1): Don't initialize max_scratch.
3387 (propagate_block): Don't update max_scratch.
3388 (mark_set_1): Don't increment num_scratch.
3389 * regs.h (max_scratch): Delete declaration.
3391 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
3393 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
3394 is nonzero. This is temporary!
3396 * sched.c (update_flow_info): Handle death notes made invalid by
3397 instruction splitting. Partially reverts Oct 15, 1998 patch.
3398 * haifa-sched.c (update_flow_info): Likewise.
3400 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
3402 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
3403 if it has a nonzero DECL_INITIAL.
3405 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3407 * Makefile.in (flow.o): Depend on recog.h.
3409 * cpplib.h (directive_table): Add missing initializiers.
3410 (finclude): Change type of variable `bsize' to size_t.
3412 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
3414 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
3416 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
3417 `int' when comparing against one.
3418 (cpp_file_line_for_message): Mark parameter `pfile' with
3420 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
3422 * flow.c: Include recog.h.
3423 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
3425 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
3426 `f' with ATTRIBUTE_UNUSED.
3427 (reposition_prologue_and_epilogue_notes): Likewise.
3429 * genopinit.c (gen_insn): Cast argument of ctype functions to
3432 * haifa-sched.c: Include recog.h.
3433 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
3434 comparing against one.
3436 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
3438 * mips-tfile.c (parse_end): Cast the argument of ctype function to
3440 (parse_ent): Likewise.
3441 (parse_input): Likewise.
3443 * optabs.c (init_libfuncs): Likewise.
3445 * protoize.c (find_rightmost_formals_list): Likewise.
3447 * recog.h (const_double_operand): Fix typo in prototype.
3449 * tlink.c (scan_linker_output): Cast the argument of ctype
3450 function to `unsigned char'.
3452 * toplev.c (check_lang_option): Cast the result of `strlen' to
3453 `int' when comparing against one.
3455 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3457 * gcse.c (dump_cuid_table): Correct typo.
3459 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
3461 * toplev.c (display_help): Prepend '-m' to target specific
3463 (check_lang_option): Ignore text after end of first word of a
3464 language specific option.
3466 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3468 * reload1.c (reg_used_by_pseudo): New static variable.
3469 (choose_reload_regs): Initialize it.
3470 Use it instead of testing spill_reg_order to determine whether a
3471 pseudo is live in a hard register across the current insn.
3472 Fix a typo in a reference to reload_reg_rtx.
3474 * flow.c (propagate_block): Replace code that computes and uses
3475 regs_sometimes_live with simpler code that just walks the set of
3476 currently live registers.
3478 * Makefile.in (insn-extract.o): Fix dependencies.
3479 * genextract.c (main): Generate includes for insn-config.h and
3481 Delete generation of declarations which are now in recog.h.
3482 * genrecog.c (main): Delete generation of definitions which are
3484 * local-alloc.c (block_alloc): Use extract_insn and the variables
3485 it sets up instead of looking up values by insn_code.
3486 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
3487 recog_dup_num): Define here instead of generating the definition in
3489 (recog_n_operands, recog_n_dups, recog_n_alternatives,
3490 recog_operand_mode, recog_constraints, recog_operand_address_p):
3492 (extract_insn): New function.
3493 * recog.h (extract_insn): Declare function.
3494 (which_alternative, recog_n_operands, recog_n_dups,
3495 recog_n_alternatives, recog_operand_mode, recog_constraints,
3496 recog_operand_address_p): Declare variables.
3497 * regclass.c (n_occurrences): New static function.
3498 * reload.c (n_occurrences): Delete function.
3499 (find_reloads): Use extract_insn.
3500 * reload.h (n_occurrences): Delete declaration.
3502 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
3504 * reload1.c (reload_as_needed): Fix test for when to call
3505 update_eliminable_offsets.
3507 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3509 Fix consistency problems with reg_equiv_{mem,address};
3510 Improve reload inheritance;
3512 * reload.c (reload_out_reg): New variable.
3513 (loc_mentioned_in_p, remove_address_replacements): New functions.
3514 (remove_replacements): Deleted.
3515 (push_reload): Set reload_out_reg[i].
3516 When merging, also set reload_{in,out}_reg[i], and remove
3517 duplicate address reloads.
3518 (combine_reloads): Copy reload_out_reg[i].
3519 (find_reloads): Do make_memloc substitution also when
3520 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3522 Include *recog_operand_loc in commutativity operand changes.
3523 Generate optional output reloads.
3524 Delete reference to n_memlocs. Don't set *recog_operand_loc before
3525 processing operands. Call make_memloc in reg_equiv_address code.
3526 Set *recog_operand_loc only after processing operands, and only
3527 if replace is true. Return a value.
3528 When changing address reload types for operands that didn't get
3529 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
3530 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
3531 Don't emit USEs for pseudo SUBREGs when not replacing.
3532 (find_reloads_address): Do make_memloc substitution also when
3533 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3535 (find_reloads_toplev): Likewise.
3536 Call make_memloc in reg_equiv_address code.
3537 (debug_reload_to_stream): Add code to output reload_out_reg.
3538 (make_memloc): Delete local variable i, ifdefed out code, and
3539 references to memlocs and n_memlocs.
3540 (memlocs, n_memlocs): Delete.
3541 (push_secondary_reload): Clear reload_out_reg.
3542 (find_reloads_address_1): Provide memrefloc argument to all calls
3543 to find_reloads_address.
3544 In AUTO_INC code, handle non-directly addressable equivalences properly.
3545 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
3546 (find_reloads): Add return type.
3547 (remove_address_replacements, deallocate_reload_reg): Declare.
3548 * reload1.c (num_not_at_initial_offset): No longer static.
3549 (delete_address_reloads, delete_address_reloads_1): Likewise.
3550 (deallocate_reload_reg): New function.
3551 (spill_reg_stored_to): New array.
3552 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
3553 (eliminate_regs_in_insn): Move assignments of previous_offset and
3554 max_offset fields, and recalculation of num_not_at_initial_offset
3555 into new static function:
3556 (update_eliminable_offsets) .
3557 (reload_as_needed): Call update_eliminable_offsetss after calling
3559 Call forget_old_reloads_1 with contents of reloaded auto_inc
3560 expressions if the actual addressing can't be changed to match the
3562 (choose_reload_regs): For inheritance, replace
3563 reload_reg_free_before_p test with reload_reg_used_at_all test, and
3564 remove stand-alone reload_reg_used_at_all test.
3565 Use reload_out_reg to determine which reload regs have output reloads.
3566 Treat reload_override_in more similar to inherited reloads.
3567 Handle (subreg (reg... for inheritance.
3568 For flag_expensive_optimizations, add an extra pass to remove
3569 unnecessary reloads from known working inheritance.
3570 Delete obsolete code for pseudos replaced with MEMs.
3571 Handle inheritance from auto_inc expressions.
3572 (emit_reload_insns): If reload_in is a MEM, set OLD to
3574 Don't reload directly from oldequiv; if it's a pseudo with a
3575 stack slot, use reload_in[j].
3576 Check that reload_in_reg[j] is a MEM before replacing reload_in
3577 from reg_reloaded_contents.
3578 Include non-spill registers in reload inheritance processing.
3579 Also try to use reload_out_reg to set spill_reg_store /
3580 reg_last_reload_reg.
3581 In code to set new_spill_reg_store, use single_set to find out if
3582 there is a single set.
3583 Add code that allows to delete optional output reloads.
3584 Add code to allow deletion of output reloads that use no spill reg.
3585 At the end, set reload_override_in to oldequiv.
3586 Also call delete_output_reload if reload_out_reg is equal to old
3588 Add code to call delete_output_reload for stores with no matching load.
3589 Set / use spill_reg_stored_to.
3590 Handle case where secondary output reload uses a temporary, but
3591 actual store isn't found.
3592 When looking for a store of a value not loaded in order to call
3593 delete_output_reload, count_occurences should return 0 for no
3594 loads; but discount inherited input reloadill_reg_stored_to.
3595 Do checks for extra uses of REG. Changed all
3597 Use delete_address_reloads.
3598 (reload): Take return value of find_reloads into account.
3599 If a no-op set needs more than one reload, delete it.
3600 (reload_reg_free_before_p): RELOAD_FOR_INPUT
3601 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
3602 for the same operand.
3603 (clear_reload_reg_in_use): Check for other reloads that keep a
3605 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
3606 RELOAD_FOR_OPADDR_ADDR.
3607 Take into account when an address address reload is only needed
3608 for the address reload we are considering.
3609 (count_occurrences): Use rtx_equal_p for MEMs.
3610 (inc_for_reload): Return instruction that stores into RELOADREG.
3611 New argument two, IN, and rtx. Changed all callers.
3612 (calculate_needs_all_insns, reload_as_needed):
3613 Don't clear after_call for a CLOBBER.
3614 Keep track of how many hard registers need to be copied from
3615 after_call, and don't clear after_call before we have seen
3616 that much copies, or we see a different instruction.
3618 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
3620 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
3621 after reload has completed.
3623 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
3625 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
3626 a macro name and the next token with a single blank if that whitespace
3627 is in a macro buffer and the next token is not '('.
3629 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
3631 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
3633 (skip_if_group): Ditto.
3634 (skip_to_end_of_comment): Ditto.
3636 (discard_comments): Ditto.
3637 (change_newlines): Ditto.
3639 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
3641 * c-lex.c (yylex): Fix unaligned access of wchar_t.
3643 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
3645 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
3646 (TARGET_OPTIONS): Add --help documentation.
3648 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3650 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
3652 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
3654 * fixinc/* Moved in from ../contrib directory in preparation
3655 for integrating it into the normal build process. In particular,
3656 fixinc/Makefile.in must be config-ed into the build directory
3657 as fixinc/Makefile. Proposed patches to ./Makefile.in and
3658 ./configure.in will be "in the mail" momentarily.
3660 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
3662 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
3663 accidently walk into the free list. Comment how that can happen.
3664 (invalidate): Fix indentation.
3666 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3667 Jeffrey A Law (law@cygnus.com)
3669 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
3670 reload. Never perform rescans of the insn chain after reload.
3671 (propagate_block): Do not delete insn or create new autoinc addressing
3674 * jump.c (jump_optimize): Unconditionally use the code that was
3675 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
3676 * reload1.c (reload): When reloading is finished, delete all
3677 REG_DEAD and REG_UNUSED notes.
3678 (emit_reload_insns): Delete all code that was conditional on
3679 PRESERVE_DEATH_INFO_REGNO_P.
3680 (no_longer_dead_regs): Delete variable.
3681 (reload_cse_delete_death_notes): Delete function.
3682 (reload_cse_no_longer_dead): Delete function.
3683 (reload_cse_regs_1): Delete all code to handle deletion of death
3685 (reload_cse_noop_set_p): Likewise.
3686 (reload_cse_simplify_set): Likewise.
3687 (reload_cse_simplify_operands): Likewise.
3688 (reload_cse_move2add): Likewise.
3689 * reorg.c (used_spill_regs): Delete declaration.
3690 (max_label_num_after_reload): Delete declaration.
3691 (find_dead_or_set_registers): Don't assume that spill regs are
3692 dead at a CODE_LABEL.
3693 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
3695 * sched.c (sched_analyze_insn): Likewise.
3696 (update_flow_info): Likewise.
3697 * haifa-sched.c (sched_analyze_insn): Likewise.
3698 (update_flow_info): Likewise.
3699 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
3700 * toplev.c (max_label_num_after_reload): Delete variable.
3701 (rest_of_compilation): Don't set max_label_num_after_reload.
3702 Call life_analysis after reload_cse_regs if optimizing.
3703 * config/gmicro/gmicro.h: Delete comment referring to
3704 PRESERVE_DEATH_INFO_REGNO_P.
3705 * config/i386/i386.h: Likewise.
3706 * config/m88k/m88k.h: Likewise.
3707 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
3708 * config/sh/sh.h: Likewise.
3710 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
3712 * loop.c (strength_reduce): Restore marking bct_p as
3714 * rs6000.c (optimization_options): Change #ifdef HAIFA to
3715 HAVE_decrement_and_branch_on_count.
3716 (small_data_operand): Remove TARGET_ELF condition for marking
3717 parameters ATTRIBUTE_UNUSED.
3719 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
3721 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
3722 (SELECT_SECTION): Resync with svr4.h.
3724 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
3726 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
3729 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
3731 * c-pragma.c (handle_pragma_token): Test for null tree before
3732 dereferencing TREE_CODE.
3734 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3736 * config/c4x/c4x.c: Convert to use GEN_INT.
3737 (c4x_parallel_process): Rework to handle new repeat loop structure.
3739 * config/c4x/c4x.md: Convert to use GEN_INT.
3740 (rptb_end): Convert to use GE test. Replace uses with clobbers.
3741 (decrement_and_branch_on_count): Likewise.
3743 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
3744 loop.c has the desired functionality.
3745 (rc_reg_operand): New prototype.
3747 * config/c4x/t-c4x: Can now build all front ends.
3749 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
3751 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
3753 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
3755 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
3756 * config/t-rtems: Do not install assert.h -- use newlib's.
3758 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3760 * combine.c (combine_instructions): When finished, call init_recog.
3761 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
3763 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
3765 * toplev.c: If flag_syntax_only, don't open or write assembler file.
3767 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3769 * cppalloc.c (memory_full): Mark function prototype with
3772 * demangle.h (collect_exit): Likewise.
3774 * fix-header.c (v_fatal, fatal): Likewise.
3776 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
3779 * gcov.c (print_usage): Likewise.
3781 * genattr.c (fatal, fancy_abort): Likewise.
3783 * genattrtab.c (fatal, fancy_abort): Likewise.
3785 * gencodes.c (fatal, fancy_abort): Likewise.
3787 * genconfig.c (fatal, fancy_abort): Likewise.
3789 * genemit.c (fatal, fancy_abort): Likewise.
3791 * genextract.c (fatal, fancy_abort): Likewise.
3793 * genflags.c (fatal, fancy_abort): Likewise.
3795 * genopinit.c (fatal, fancy_abort): Likewise.
3797 * genoutput.c (fatal, fancy_abort): Likewise.
3799 * genpeep.c (fatal, fancy_abort): Likewise.
3801 * genrecog.c (fatal, fancy_abort): Likewise.
3803 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
3804 __sjpopnthrow, __throw): Likewise.
3806 * objc/objc-act.c (objc_fatal): Likewise.
3808 * protoize.c (usage, aux_info_corrupted,
3809 declare_source_confusing): Likewise.
3811 * rtl.c (dump_and_abort): Likewise.
3813 * rtl.h (sets_cc0_p): Likewise.
3815 * toplev.c (float_signal, pipe_closed): Likewise.
3817 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3819 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
3820 when generating the decision tree for the general case.
3822 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
3823 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
3825 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3827 * Makefile.in (sched.o): Depend on recog.h.
3829 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
3830 (unsigned) when comparing against one.
3831 (find_base_value): Likewise.
3832 (record_base_value): Cast variable `regno' to (unsigned) when
3833 comparing against one. Cast the result of REGNO() macro to
3834 (unsigned) when comparing against one.
3835 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
3837 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
3838 variable where an unsigned index is needed.
3840 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
3841 before comparing against one.
3843 * collect2.c: Add prototypes for functions `error', `fatal' and
3844 `fatal_perror'. Make these functions take variable arguments
3845 instead of faking it with a fixed number of args.
3846 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
3849 * combine.c (can_combine_p): Mark parameter `pred' with
3851 (find_split_point): Cast variable `src' to (unsigned
3852 HOST_WIDE_INT) when comparing against one.
3853 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
3854 (simplify_logical): Likewise.
3855 (force_to_mode): Cast result of INTVAL() macro to (unsigned
3856 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
3857 HOST_WIDE_INT) in shift.
3858 (simplify_and_const_int): Cast result of INTVAL() macro to
3859 `unsigned HOST_WIDE_INT' when comparing against one.
3860 (merge_outer_ops): Cast variable const0 to `unsigned
3861 HOST_WIDE_INT' when comparing against the result of
3862 GET_MODE_MASK() macro.
3863 (simplify_comparison): Likewise for variable `c0'. Cast variable
3864 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
3865 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
3866 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
3867 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
3868 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
3869 comparing against one.
3870 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
3872 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
3873 macro to `unsigned HOST_WIDE_INT' when comparing against one.
3874 (output_block_move): Cast `sizeof' expression to (int) when
3875 comparing against one.
3876 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
3878 (save_restore_insns): Cast `base_offset' to `long' to match format
3879 specifier in fprintf.
3881 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
3882 to `enum machine_mode'.
3884 * flow.c (life_analysis_1): Remove unused variable `insn'.
3886 * gcc.c (translate_options): Move variables `j' and `k' into the
3887 scope in which they are used. Change their types to `size_t'.
3888 (set_spec): Cast the argument of ctype macro to `unsigned char'.
3889 (read_specs): Likewise.
3890 (process_command): Cast `sizeof' to (int) when comparing against one.
3891 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
3892 (handle_braces): Cast both sides of `==' expression to `long' to
3893 ensure sign matching.
3894 (main): Cast variable `i' to `int' when comparing against one.
3896 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
3897 int to size_t. Cast variable `i' to size_t when comparing against
3900 * genattrtab.c (convert_set_attr_alternative): Remove unused
3901 parameter `insn_code'. All callers changed.
3902 (convert_set_attr): Likewise.
3904 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
3905 size_t when comparing against one. Likewise for variable `len'.
3907 * global.c (global_alloc): Cast variable `max_regno' to size_t
3908 when comparing against one. Likewise for variable `max_allocno'.
3910 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
3912 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
3913 `set' with ATTRIBUTE_UNUSED.
3914 (find_free_reg): Cast `sizeof' expression to (int) when comparing
3917 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
3918 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
3919 (get_condition): Cast variable `const_val' to `unsigned
3920 HOST_WIDE_INT' when comparing against one. Cast unsigned
3921 expression to HOST_WIDE_INT when comparing against one.
3922 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
3923 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
3924 `unsigned' when comparing against one.
3926 * protoize.c (is_id_char): Change type of parameter `ch' to
3928 (munge_compile_params): Cast argument of ctype macro to (const
3930 (process_aux_info_file): Cast variable `aux_info_size' to int when
3931 comparing against one.
3932 (forward_to_next_token_char): Cast argument of ctype macro to
3933 `const unsigned char'.
3934 (edit_formals_lists): Likewise.
3935 (find_rightmost_formals_list): Likewise.
3936 (add_local_decl): Likewise.
3937 (add_global_decls): Likewise.
3938 (edit_fn_definition): Likewise.
3939 (do_cleaning): Likewise.
3940 (scan_for_missed_items): Likewise.
3941 (edit_file): Cast variable `orig_size' to (int) when comparing
3943 (main): Cast argument of ctype macro to `const unsigned char'.
3945 * recog.c (const_int_operand): Mark parameter `mode' with
3948 * regclass.c (record_reg_classes): Change type of variable `c' to
3949 `unsigned char'. Cast `char' array index to `unsigned char'.
3951 * reload.c (push_secondary_reload): Cast argument to
3952 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
3954 * reload1.c (calculate_needs): Cast `char' array index to
3956 (set_label_offsets): Change type of variable `i' to unsigned int.
3957 Cast result of XVECLEN() macro to unsigned when comparing against
3959 (mark_not_eliminable): Change type of variable `i' to unsigned.
3960 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
3961 when comparing against one.
3962 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
3963 comparing against one.
3964 (choose_reload_regs): Hide unused label `fail'.
3965 (reload_cse_simplify_operands): Cast `char' array index to
3967 (reload_combine_note_store): Mark parameter `set' with
3968 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
3970 (reload_cse_move2add): Remove unused variable `src2'.
3972 * sched.c: Include recog.h.
3973 (sched_note_set): Remove unused parameter `b'. All callers
3975 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
3976 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
3977 when comparing against one.
3979 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
3980 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
3981 comparing against one.
3983 * unroll.c (precondition_loop_p): Remove unused parameter
3984 `loop_end'. All callers changed.
3986 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3988 * reload1.c (maybe_fix_stack_asms): New static function.
3991 * reload.h (compute_use_by_pseudos): Declare.
3993 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
3994 (something_needs_reloads): Delete variable.
3995 (finish_spills): New function.
3996 (compute_use_by_pseudos): New function.
3998 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
3999 Use the reload_insn_chain instead of walking the rtl directly.
4001 (reload): Allocate and free spilled_pseudos.
4002 Ensure that all calls of spill_hard_reg are followed by a call to
4004 Use the insns_need_reload list instead of something_needs_reloads
4005 to find out if reload_as_needed must be called.
4006 Clear unused_insn_chains at the end.
4008 (calculate_needs_all_insns): Lose FIRST parameter. All callers
4010 Delete code to keep track of current basic block.
4011 Walk reload_insn_chain instead of the rtl structure. Build the
4012 insns_need_reload chain.
4013 Remember which insns need reloading/elimination by setting the
4014 appropriate fields in struct insn_chain, not by putting modes on the
4017 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
4018 arg INSN. All callers changed.
4019 Delete declaration of struct needs.
4020 Don't set something_needs_reloads.
4021 Record insn needs in the CHAIN argument.
4023 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
4025 (reload_as_needed): Lose FIRST arg. All callers changed.
4026 Walk the reload_insn_chain instead of the rtx structure.
4027 Delete code to keep track of current basic block.
4028 Rename one of the NEXT variables to OLD_NEXT.
4030 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
4032 (choose_reload_regs): Likewise.
4034 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
4037 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
4038 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
4039 (hard_regs_live, hard_regs_need_restore): Delete variables.
4040 (n_regs_saved): Now static.
4041 (referenced_regs, this_insn_sets): New variables.
4043 (setup_save_areas): Restructure the code a bit.
4045 (restore_referenced_regs): Delete function.
4046 (mark_referenced_regs): New function, similar to the old
4047 restore_referenced_regs, but mark registers in referenced_regs.
4049 (clear_reg_live): Delete function.
4050 (mark_set_regs): Renamed from set_reg_live. All callers changed.
4051 Only mark registers in this_insn_sets.
4053 (save_call_clobbered_regs): Rework this function to walk the
4054 reload_insn_chain instead of using the list of instructions directly.
4055 Delete code to keep track of register lives, compute live regs on the
4056 fly from information in the chain.
4057 Instead of calling restore_referenced_regs, use mark_referenced_regs,
4058 then walk the set it computes and call insert_restore as appropriate.
4060 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
4062 Restructure the code a bit. Test hard_regs_saved instead of
4063 hard_regs_need_restore.
4064 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
4065 args. All callers changed.
4066 Restructure the code a bit. Use TO_SAVE to determine which regs to
4067 save instead of more complicated test.
4068 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
4070 Create a new insn_chain structure for the new insn and place it
4073 * rtl.texi: Update documentation to reflect that reload no longer
4074 puts modes on the insns.
4076 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4078 * function.c (purge_addressof_1): Force the first argument of a
4079 CALL insn to memory.
4081 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
4083 * rtl.h: Delete duplicate prototypes. Add some missing
4085 * rtlanal.c: (for_each_rtx): Formatting tweak.
4087 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4089 * real.c (emdnorm and etoasc): Disable round to even for c4x target
4090 to be compatible with TI compiler.
4092 * Makefile.in (USER_H): Add va-c4x.h to definition.
4094 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
4096 * function.c (purge_addressof_1): Fix typo in inequality: do
4097 bitfield optimization for equal mode sizes.
4098 * expmed.c (store_bit_field): Don't take subregs of subregs in
4099 the movstrict case. Tidy a potential problem in the multi-word case.
4100 (extract_bit_field): Likewise.
4102 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4104 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
4106 Compute max_uid_for_flow by calling get_max_uid after the scan.
4107 (find_basic_blocks_1): Don't emit NOPs here.
4109 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
4111 * alias.c (base_alias_check): Accept new args for the modes of the
4112 two references. Use them to determine if an AND can overlap. Update
4114 (memrefs_conflict_p): Assume sizes are aligned, and uses them
4115 to determine if an AND can overlap.
4117 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
4119 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
4120 check. Add comment to document problems with TARGET_SUN_FPA version
4122 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
4124 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4126 * Makefile.in (gencheck.o): Depend on gansidecl.h.
4128 * c-common.c (print_char_table): Add missing initializers.
4129 (scan_char_table): Likewise.
4130 (time_char_table): Likewise.
4132 * c-decl.c (c_decode_option): Mark parameter `argc' with
4134 (declare_parm_level): Mark parameter `definition_flag' with
4137 * c-lex.c (readescape): Use `(unsigned)1' in shift.
4138 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
4141 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
4143 (emit_call_1): Mark parameters `fndecl' and `funtype' with
4145 (expand_call): Cast result of MIN() to (unsigned int) when
4146 comparing against an unsigned value.
4148 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
4150 (make_definition): Remove unused parameter `op'. All callers
4152 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
4153 comparing against the result of pointer arithmetic.
4155 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
4156 when comparing against one.
4158 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
4159 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
4161 (output_die): Move variable `i' into the scope in which it is
4162 used. Change its type to `unsigned'.
4163 (output_die): Cast the result of `strlen' to (int) when passing it
4164 to ASM_OUTPUT_ASCII().
4165 (output_pubnames): Likewise.
4166 (output_line_info): Likewise.
4168 * emit-rtl.c (global_rtl): Add missing initializers.
4170 * explow.c (promote_mode): Mark parameter `for_call' with
4173 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
4174 `unsigned HOST_WIDE_INT' when comparing against one.
4175 (synth_mult): Change type of variable `cost' to int.
4176 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
4178 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
4179 when comparing against one.
4180 (get_inner_reference): Change variable `alignment' to unsigned.
4181 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
4182 int) when comparing against one.
4183 (expand_builtin_setjmp): Change type of variable `i' to size_t.
4185 * fold-const.c (div_and_round_double): Cast BASE to
4186 (HOST_WIDE_INT) when comparing against one.
4188 * gencheck.c: Include gansidecl.h.
4189 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
4191 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
4192 `tcode' with ATTRIBUTE_UNUSED.
4194 * real.c (edivm): Cast constant value to (unsigned long) in
4195 expression compared against an unsigned value.
4197 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
4198 comparing against one.
4199 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
4200 when comparing against one.
4202 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
4203 (unsigned int) when comparing against one. Likewise for
4205 (smallest_mode_for_size): Likewise.
4206 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
4207 (restore_storage_status): Likewise.
4209 * toplev.c (debug_args): Add missing initializer.
4210 (f_options): Spelling correction. Add missing initializers.
4211 (documented_lang_options): Likewise.
4212 (debug_end_source_file): Mark parameter `lineno' with
4215 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
4216 `decl' and `type' with ATTRIBUTE_UNUSED.
4218 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
4219 when comparing against one.
4220 (assemble_variable): Mark parameter `top_level' with
4222 (assemble_external_libcall): Mark parameter `fun' with
4224 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
4227 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
4229 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
4230 Replace use of r5 with use of r19.
4232 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
4234 * config/v850/v850.c (compute_register_save_size): Allow for the
4235 fact that helper functions save all registers, not just those used
4238 Replace constant 31 with macro LINK_POINTER_REGNUM.
4240 * config/v850/v850.md: Use 'indirect_operand' rather than
4241 'memory_operand' for bit test/set/clear patterns.
4243 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
4245 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
4246 * varasm.c (assemble_start_function et al): Don't call
4247 ASM_GLOBALIZE_LABEL for weak symbols.
4249 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
4251 * cse.c (equiv_constant): Check for NULL return from
4252 gen_lowpart_if_possible().
4254 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
4256 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
4258 * collect2.c (main): Pass -EL/-EB through to the compiler.
4260 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4262 * expr.c (push_block): Handle targets where the stack grows
4263 to higher addresses, but args grow to lower addresses and
4264 ACCUMULATE_OUTGOING_ARGS is not defined.
4266 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
4268 * config/v850/v850.c (print_operand): Extend meaning
4269 of 'c' operands to support .vtinherit.
4271 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4273 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
4274 Added ATTRIBUTE_UNUSED to unused function arguments.
4275 (rc_reg_operand): New predicate.
4276 (c4x_rptb_insert): New function.
4277 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
4278 (c4x_optimization_options): New function.
4280 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
4281 (decrement_and_branch_on_count): New pattern.
4282 (rptb_top): Modified pattern to work with BCT optimization.
4284 * config/c4x/c4x.h (RC_REG): New register class.
4285 (rc_reg_operand): Define prototype.
4286 (IS_RC_REG): New macro.
4287 (IS_RC_OR_PSEUDO_REG): New macro.
4288 (IS_RC_OR_PSEUDO_REGNO): New macro.
4289 (OPTIMIZATION_OPTIONS): Define.
4291 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
4293 * collect2.c (extract_init_priority): No priority is 65535.
4295 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4297 * Makefile.in (build_tooldir): new variable, same as old
4298 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
4299 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
4300 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
4302 * configure.in (gxx_include_dir): set default based on unlibsubdir
4303 * Makefile.in (tooldir): ditto
4304 (cccp.o, cpplib.o): use unlibsubdir implicitly through
4305 gxx_include_dir, includedir and tooldir
4306 (protoize.o, unprotoize.o): ditto
4308 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
4310 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
4312 * config/arm/thumb.c (thumb_override_options): Add warning about
4313 PIC code not being supported just yet.
4315 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
4317 * flow.c: Update comment.
4318 (notice_stack_pointer_modification): New static function.
4319 (record_volatile_insns): Use it.
4320 (mark_regs_live_at_end): Mark the stack pointer as alive
4321 at the end of the function if current_function_sp_is_unchanging
4323 (life_analysis_1): Set current_function_sp_is_unchanging.
4324 * function.c: Define it.
4325 (init_function_start): Initialize it.
4326 * output.h: Declare it.
4327 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
4328 the stack pointer as alive at the end of the function if
4329 current_function_sp_is_unchanging is set.
4330 * i386.c (ix86_epilogue): Optimize the restoring
4331 of the stack pointer.
4333 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
4335 * version.c: Bump for snapshot.
4337 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
4339 * c-pragma.c (handle_pragma_token): If passed a token instead
4340 of a tree, use that as the pack value.
4342 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
4344 * flow.c (find_basic_blocks_1): Fix prototype.
4346 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
4348 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
4349 (struct tree_decl): New fields no_check_memory_usage.
4350 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
4351 (init_attributes): Register it as a new attribute.
4352 (decl_attributes): Set flags on functions given that attribute.
4353 * c-decl.c (duplicate_decls): Merge new attribute.
4354 * expr.h (current_function_check_memory_usage): Declare new var.
4355 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
4356 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
4357 current_function_check_memory_usage.
4358 * function.h: Add field to struct function.
4359 * function.c (current_function_check_memory_usage): Define it.
4360 (push_function_context_to, pop_function_context_from): Save and
4362 (expand_function_start): Set it, based on global flag and function
4365 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4366 check non-automatic variables, to permit detection of writes to
4367 read-only locations in embedded systems without memory management.
4368 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4369 when emitting chkr_set_right_libfunc call, even if the argument is
4370 BLKmode or variable-sized; don't abort.
4372 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
4373 symbols in Pmode, not VOIDmode.
4375 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4377 * cppexp.c: When forcing unsigned comparisons, cast both sides
4380 * cpphash.h: Move static declaration of hashtab[]...
4381 * cpphash.c: ...here.
4383 * cpplib.c: Cast difference of two pointers to size_t before
4384 comparing it to size_t. Cast signed to unsigned
4385 before comparing to size_t. (FIXME: struct argdata should use
4386 unsigned buffer sizes.)
4387 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
4388 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
4389 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
4390 size_t before comparison.
4392 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
4394 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
4395 (find_basic_blocks_1): Similarly.
4396 * output.h (find_basic_blocks): Fix prototype.
4397 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
4398 find_basic_blocks anymore.
4400 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
4402 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
4403 (sbitmap_free, sbitmap_vector_free): New macros.
4404 * output.h (rtl_dump_file): Declare.
4406 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
4408 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
4410 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4412 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
4414 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
4415 (divide): Remove unused variable `tmp'.
4416 (si_to_float): Cast numeric constant to (SItype) before comparing
4419 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
4421 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
4422 * gcc.c (add_preprocessor_option): Correct typo when allocating
4423 memory, sizeof() argument had one too many `*'.
4424 (add_assembler_option): Likewise.
4425 (add_linker_option): Likewise.
4426 * gcov.c (output_data): Likewise.
4427 * local-alloc.c (memref_used_between_p): Likewise.
4428 (update_equiv_regs): Likewise.
4429 * loop.c (strength_reduce): Likewise.
4430 * reg-stack.c (record_asm_reg_life): Likewise.
4431 (subst_asm_stack_reg): Likewise.
4432 * reorg.c (dbr_schedule): Likewise.
4434 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4436 * flow.c (life_analysis_1): Break out some functions.
4437 (find_basic_blocks_1): Likewise. Also move some variables out and
4439 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
4440 new static var nonlocal_label_list with it.
4441 (active_eh_region, nested_eh_region, label_value_list,
4442 nonlocal_label_list): New static variables.
4443 (make_edges, delete_unreachable_blocks, delete_block): New static
4444 functions, broken out of find_basic_blocks_1.
4445 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
4446 noop_move_p): New static functions, broken out of life_analysis_1.
4448 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
4450 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
4451 Take extra care for op0 now possibly being a subreg.
4452 (extract_bit_field): Likewise.
4453 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
4454 the reg to memory if there is no equal sized integral mode.
4455 * stor-layout.c (int_mode_for_mode): New function.
4456 * machmode.h: Prototype it.
4458 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
4460 * global.c (build_insn_chain): Verify no real insns exist past the
4461 end of the last basic block, then exit the loop.
4463 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4465 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
4467 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
4469 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
4471 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
4473 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
4475 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
4477 * flow.c (find_basic_blocks): Correctly determine when a call
4478 is within an exception region.
4480 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
4482 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
4484 * cpplib.h: Protect from multiple inclusions.
4485 * cpplib.c: Fix minor formatting problems.
4487 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
4489 * jump.c (jump_optimize): Revert accidental patch.
4491 * Makefile.in (cpplib.o): Use unlibsubdir.
4493 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
4495 * loop.c (get_condition): Allow combine when either compare is
4498 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
4500 * version.c: Bump for snapshot.
4502 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
4504 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
4505 (init_lex): Initialize ridpointers[RID_BYREF].
4506 * c-lex.h (enum rid): Add RID_BYREF.
4507 * c-parse.gperf: Add RID_BYREF as a type qualifier.
4508 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
4509 (encode_type_qualifiers): Similarly
4510 * c-gperf.h: Rebuilt.
4512 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
4514 * c-common.c (type_for_mode): Only return TItype nodes when
4515 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4516 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
4517 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4518 (init_decl_processing): Only create TItype nodes when
4519 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4520 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
4521 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4523 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4525 * stmt.c (n_occurrences): New static function.
4526 (expand_asm_operands): Verify that all constrains match in the
4527 number of alternatives.
4528 Verify that '+' or '=' are at the beginning of an output constraint.
4529 Don't allow '&' for input operands.
4530 Verify that '%' isn't written for the last operand.
4531 * reload.c (find_reloads): Abort if an asm is found with invalid
4532 constraints; all possible problems ought to be checked for earlier.
4534 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4536 * flags.h (flag_branch_on_count_reg): Always declare
4537 * toplev.c (flag_branch_on_count_reg): Likewise.
4538 * toplev.c: Fix typos.
4540 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
4543 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
4545 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
4547 (find_basic_blocks_1): Add a nop to the end of a basic block when
4548 a trailing call insn does not have abnormal control flow.
4549 * gcse.c (pre_transpout): New variable.
4550 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
4551 (compute_pre_transpout): Calculate it.
4552 (compute_pre_ppinout): Use it to eliminate impossible placements
4553 due to abnormal control flow through calls.
4554 (compute_pre_data): Call compute_pre_transpout.
4556 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4558 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
4560 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
4562 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
4563 and matching define_insns): Tack on a `use' of the table label, so
4564 flow analysis will recognize a tablejump.
4566 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
4568 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
4569 always end basic blocks for abnormal edge reasons.
4571 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
4573 * config/i386/i386.h: Remove definition of
4574 HANDLE_PRAGMA_PACK_PUSH_POP.
4576 * config/i386/go32.h: Add definition of
4577 HANDLE_PRAGMA_PACK_PUSH_POP.
4579 * config/i386/win32.h: Add definition of
4580 HANDLE_PRAGMA_PACK_PUSH_POP.
4582 * config/i386/cygwin32.h: Add definition of
4583 HANDLE_PRAGMA_PACK_PUSH_POP.
4585 * c-pragma.c (insert_pack_attributes): Do not insert
4586 attributes unless #pragma pack(push,<n>) is in effect.
4588 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
4590 * expr.c (emit_group_store): Handle a PARALLEL destination.
4592 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
4594 * gcse.c (pre_insert_insn): When a call ends a bb, insert
4595 the new insns before the argument regs are loaded.
4597 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4599 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
4600 (c-parse.gperf): Update comments describing invocation flags.
4601 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
4603 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
4605 * reload1.c (reload): Call free before clobbering the memory
4606 locations or constants pointers.
4608 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4610 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
4611 for efficiency by checking whether we need to modify the current
4612 stack permission at all.
4613 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
4614 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
4615 __enable_execute_stack libcall here too if
4616 TRANSFER_FROM_TRAMPOLINE is defined.
4617 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
4620 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
4622 * Makefile.in (DRIVER_DEFINES): Remove last change.
4624 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4626 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
4627 insns we're going to copy.
4628 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
4630 * loop.c (count_one_set): Add prototype.
4632 * caller-save.c (restore_referenced_regs): Lose mode argument.
4633 (insert_save): Lose mode argument.
4634 (insert_restore): Lose mode argument.
4635 (insert_one_insn): Lose mode argument.
4636 (save_call_clobbered_regs): Lose mode argument.
4637 (setup_save_areas): Take no argument and return void. All callers
4639 Don't verify validity of memory addresses.
4640 * reload.h (setup_save_ares): Adjust prototype.
4641 (save_call_clobbered_regs): Likewise.
4642 * reload1.c (delete_caller_save_insns): New function.
4643 (caller_save_spill_class): Delete variable.
4644 (caller_save_group_size): Delete variable.
4645 (reload): Call setup_save_areas and save_call_clobbered_regs
4646 in the main loop, before calling calculate_needs_all_insns.
4647 Don't call save_call_clobbered_regs after the loop.
4648 Call delete_caller_save_insns at the end of an iteration if
4650 Delete code to manage caller_save_spill_class.
4651 Emit the final note before setting reload_first_uid.
4652 Simplify test that determines whether reload_as_needed gets run.
4653 (calculate_needs): Delete code to manage caller_save_spill_class.
4655 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
4657 * collect2.c (main): Initialize ld_file_name.
4659 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
4661 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
4662 check for flag_function_sections.
4664 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4666 * cse.c (insert_regs): Fix bug in Sep 24 change.
4668 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4670 * flags.h (flag_dump_unnumbered): Declare.
4671 * toplev.c (flag_dump_unnumbered): Don't declare.
4672 * print-rtl.c (flags.h): Include.
4673 (print_rtl_single): Add return value.
4674 * rtl.h (print_rtl_single): Update declaration.
4675 * flow.c (flag_dump_unnumbered): Don't declare.
4676 (print_rtl_with_bb): Use return value of print_rtl_single.
4678 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4680 * loop.c (count_one_set): New static function, broken out of
4682 (count_loop_regs_set): Call it.
4683 * global.c (mark_reg_store): Handle clobbers here by not calling
4685 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
4686 is in fact a clobber.
4687 * integrate.c (process_reg_param): New function, broken out of
4688 expand_inline_function.
4689 (expand_inline_function): Call it.
4692 * i386.md (addsidi3_1): Delete unused variable temp.
4693 (addsidi3_2): Likewise.
4694 (clstrstrsi): Delete unused variable addr1.
4696 * rtl.h: Don't declare any functions also declared in recog.h.
4698 * Makefile.in (stupid.o): Update dependencies.
4699 (global.o): Likewise.
4701 * global.c: Include reload.h
4702 (reg_becomes_live): New function.
4703 (reg_dies): New function.
4704 (build_insn_chain): New function.
4705 (global_alloc): Call build_insn_chain before calling reload.
4707 * reload.h (struct needs): New structure definition.
4708 (struct insn_chain): Likewise.
4709 (reload_insn_chain): Declare variable.
4710 (new_insn_chain): Declare function.
4713 * reload1.c (reload_startobj): New variable.
4714 (reload_insn_chain): New variable.
4715 (unused_insn_chains): New variable.
4716 (new_insn_chain): New function.
4717 (init_reload): Initialize reload_startobj, not reload_firstobj.
4718 (reload): Initialize reload_firstobj.
4719 Before returning, free everything on the reload_obstack.
4721 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
4722 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
4723 current_chain): New variables.
4724 (reg_where_born): Delete variable.
4725 (REG_WHERE_BORN): New macro.
4726 (find_clobbered_regs): New function.
4727 (stupid_life_analysis): Don't allocate/free reg_where_born.
4728 Allocate and free reg_where_born_exact, reg_where_born_clobber,
4729 reg_where_dead_chain.
4730 Use REG_WHERE_BORN instead of reg_where_born.
4731 While processing the insns, build the reload_insn_chain with
4732 information about register lifetimes.
4733 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
4734 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
4736 Compute and information about birth and death of pseudo registers in
4737 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
4738 Delete code to set elements of reg_where_born.
4740 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4742 * tree.def (GOTO_EXPR): Modified documentation.
4743 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
4746 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
4748 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
4749 loop_final_value, loop_comparison_code): No longer static.
4750 (unroll_loop): Delete loop_start_value update.
4751 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
4752 loop_final_value, loop_comparison_code): Extern.
4753 (loop_start_value): Delete extern.
4754 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
4755 loop_comparison_value, loop_comparison_code): Delete.
4756 (loop_optimize): Remove initialization for deleted variables.
4757 (strength_reduce): Delete analyze_loop_iterations call. Only call
4758 insert_bct if flag_branch_count_on_reg set.
4759 (analyze_loop_iterations): Delete.
4760 (insert_bct): Remove iteration count calculation. Move checks for
4761 viable BCT optimization to here. Obtain iteration count from
4762 loop_iterations and correct for unrolling. Check for enough
4763 iteration to be beneficial. Comment out runtime iteration count
4765 (insert_bct): Print iteration count in dump file. Remove
4766 loop_var_mode and use word_mode directly.
4768 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
4769 * rs6000.c (rs6000_override_options): Use it.
4770 (optimization_options): Enable use of flag_branch_on_count_reg.
4771 * rs6000.md (define_function_unit): Describe 604e.
4773 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4775 * loop.c (move_movables): Corrected threshold calculation for
4776 moved_once registers.
4778 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4780 * loop.c (combine_givs_p): Fix test for identical givs.
4782 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
4784 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
4785 call abort if the function is already defined.
4787 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
4789 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
4790 truncation is not a no-op.
4792 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
4794 * version.c: Bump for snapshot.
4796 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
4798 * version.c: Bump for snapshot.
4800 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
4802 * expmed.c (expand_divmod): Don't widen for computing remainder
4803 if we seem to have a divmod pattern for needed mode.
4805 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4807 * cpplib.c (macroexpand): Correct off-by-one error in handling
4810 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
4812 * combine.c (expand_field_assignment): Don't do bitwise operations
4813 on MODE_FLOAT; pun to MODE_INT if possible.
4815 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
4816 scott snyder <snyder@d0sgif.fnal.gov>
4818 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
4819 linker. Recognize mangled names in quotes.
4821 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4823 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
4824 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
4825 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
4826 (lshrsi3_extend, lshrsi3_extend2): Ditto.
4828 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4830 * function.c (purge_addressof_1): If trying to take a sub-word
4831 integral piece of a floating point mode, put it on the stack.
4833 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
4835 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
4837 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
4839 * PROJECTS: Remove template friends.
4841 * collect2.c (sort_ids): Remove unused variable.
4843 * tm.texi (MATH_LIBRARY): Document.
4844 (NEED_MATH_LIBRARY): Remove.
4846 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
4847 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
4849 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
4851 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
4852 last_end to 0x7fffffff.
4854 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4856 * function.c (purge_addressof_1): Do not perform endianness
4857 corrections on bitpos, who we call will do it for us.
4859 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
4861 * h8300.c (WORD_REG_USED): Fix typo.
4862 (initial_offset): Use WORD_REG_USED.
4864 * h8300.c (handle_pragma): Fix typo.
4866 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4868 * caller-save.c (insert_save_restore): Break this function up
4869 into new functions insert_restore, insert_save and insert_one_insn.
4870 All callers changed.
4871 (insert_restore): New function, mostly broken out of
4872 insert_save_restore.
4873 (insert_save): Likewise.
4874 (insert_one_insn): Likewise.
4875 (restore_referenced_regs): New argument BLOCK. All callers changed.
4876 (save_call_clobbered_regs): Don't keep track of basic block boundaries
4877 in this function, do it in insert_one_insn instead.
4879 * reload1.c (reload): Break out some more pieces into separate
4881 (dump_needs): New function, broken out of reload.
4882 (set_initial_elim_offsets): Likewise.
4883 (init_elim_table): Likewise.
4884 (update_eliminables): Likewise.
4886 * global.c (global_alloc): Delete code to manage the scratch_list.
4887 * local-alloc.c (qty_scratch_rtx): Delete.
4888 (scratch_block): Delete.
4889 (scratch_list): Delete.
4890 (scratch_list_length): Delete.
4891 (scratch_index): Delete.
4892 (alloc_qty_for_scratch): Delete.
4893 (local-alloc): Update initialization of max_qty.
4894 Delete code to manage the scratch list.
4895 Delete code to allocate/initialize qty_scratch_rtx.
4896 (block_alloc): Don't allocate quantities for scratches.
4897 Delete code to manage the scratch list.
4898 * regs.h (scratch_list): Delete declaration.
4899 (scratch_block): Delete declaration.
4900 (scratch_list_length): Delete declaration.
4901 * reload1.c (reload): Delete code to manage the scratch list.
4902 (spill_hard_reg): Likewise.
4903 (mark_scratch_live): Delete.
4905 * recog.c (alter_subreg): Delete declaration.
4907 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
4909 * Makefile.in (cccp.o): Fix typo in last patch.
4911 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4913 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
4914 * config/sh/lib1funcs.asm (___set_fpscr): Add.
4916 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
4918 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
4919 NULL_RTX as an argument.
4921 * Makefile.in (unlibsubdir): Define.
4922 (DRIVER_DEFINES): Use unlibsubdir.
4923 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
4924 (stmp-fixinc): Similarly.
4926 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4928 * regmove.c (regmove_optimize): Add variable old_max_uid.
4929 At the end of the function, update basic_block_end.
4931 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4933 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
4934 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
4937 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
4939 * config/arm/arm.c: Improve interworking support.
4941 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4943 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
4944 copied from reload_out[r] .
4946 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
4948 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
4949 with more than three size ranges.
4951 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
4953 * rtl.c (mode_name): Add a null string at the end of the array.
4954 (mode_wider_mode): Change type to unsigned char.
4955 (mode_mask_array): New variable.
4956 (init_rtl): Update for mode_wider_mode type change.
4958 * rtl.h (mode_wider_mode): Change type to unsigned char.
4959 (mode_mask_array): Declare.
4960 (GET_MODE_MASK): Use mode_mask_array.
4962 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
4964 * calls.c (expand_call) : Encapsulate code into
4965 copy_blkmode_from_reg.
4966 * expr.c (copy_blkmode_from_reg): New function.
4967 * expr.h (copy_blkmode_from_reg): New function.
4968 * integrate.c (function_cannot_inline_p): We can inline
4970 (expand_inline_function): Use copy_blkmode_from_reg
4971 if needed. Avoid creating BLKmode REGs.
4972 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
4975 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
4977 * config/v850/v850.c: Add function prototypes.
4978 Add support for v850 special data areas.
4980 * config/v850/v850.h: Add support for v850 special data areas.
4982 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
4983 HANDLE_PRAGMA_PACK_PUSH_POP.
4984 (push_alignment): New function: Cache an alignment requested
4985 by a #pragma pack(push,<n>).
4986 (pop_alignment): New function: Pop an alignment from the
4988 (insert_pack_attributes): New function: Generate __packed__
4989 and __aligned__ attributes for new decls whilst a #pragma pack
4991 (add_weak): New function: Cache a #pragma weak directive.
4992 (handle_pragma_token): Document calling conventions. Add
4993 support for #pragma pack(push,<n>) and #pragma pack (pop).
4995 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
4996 are defined enable HANDLE_PRAGMA_PACK.
4997 Move 'struct weak_syms' here (from varasm.c).
4998 Add pragma states for push and pop pragmas.
5000 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
5003 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
5004 HANDLE_GENERIC_PRAGMAS.
5006 * varasm.c: Move definition of 'struct weak_syms' into
5008 (handle_pragma_weak): Deleted.
5010 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5012 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5014 * c-decl.c (start_function): Add invocation of
5015 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
5017 * tm.texi: Remove description of non-existant macro
5018 SET_DEFAULT_SECTION_NAME.
5020 (HANDLE_SYSV_PRAGMA): Document.
5021 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
5023 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
5025 * config.sub: Recognize i[34567]86-pc-udk as new target.
5026 * configure.in: Likewise.
5027 * config/i386/t-udk: New file.
5028 * config/i386/udk.h: New file.
5030 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
5032 * reorg.c (check_annul_list_true_false): Remove unused variables.
5033 (steal_delay_list_from_target): Add missing "used_annul" variable.
5034 (try_merge_delay_insns): Close out half formed comment.
5036 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5038 * cpplib.c (macroexpand): If arg->raw_before or
5039 arg->raw_after, remove any no-reexpansion escape at the
5040 beginning of the pasted token. Correct handling of whitespace
5041 markers and no-reexpand markers at the end if arg->raw_after.
5043 * toplev.c (documented_lang_options): Recognize -include,
5044 -imacros, -iwithprefix, -iwithprefixbefore.
5045 * cpplib.c (cpp_start_read): Process -imacros and -include
5046 switches at the same time and in command-line order, after
5047 initializing the dependency-output code. Emit properly nested
5048 #line directives for them. Emit a #line for the main file
5049 before processing these switches, and don't do it again
5052 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
5054 * function.c (purge_addressof_1): Use bitfield manipulation
5055 routines to handle mem mode < reg mode.
5057 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5059 * reorg.c (try_merge_delay_insns): Account for resources referenced
5060 in each instruction in INSN's delay list before trying to eliminate
5061 useless instructions. Similarly when looking at a trial insn's delay
5064 * reorg.c (check_annul_list_true_false): New function.
5065 (steal_delay_list_from_{target,fallthrough}): Call it and also
5066 refine tests for when we may annul if already filled a slot.
5067 (fill_slots_from_thread): Likewise.
5068 (delete_from_delay_slot): Return newly-created thread.
5069 (try_merge_delay_isns): Use its new return value.
5071 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
5073 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
5074 used to compute a giv or as some other non-counting use.
5076 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5078 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
5079 * local-alloc.c (find_free_reg): Use it.
5080 * global.c (find_reg): Likewise.
5081 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
5083 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
5084 * caller-save.c (init_caller_save): Use it.
5085 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
5087 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5089 * configure.in: Add --enable-cpplib option which uses cpplib
5090 for cpp, but doesn't link cpplib into cc1. Make help text
5091 capitalization consistent.
5092 * configure: Rebuilt.
5094 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
5096 * function.c (gen_mem_addressof): If the address REG is
5097 REG_USERVAR_P make the new REG be so also.
5098 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
5099 in an attempt to clarify slightly.
5101 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
5103 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
5104 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
5106 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
5108 * toplev.c: Fix last patch.
5110 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
5112 * loop.c (get_condition): Fix typo in May 9 change.
5114 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5116 * invoke.texi (-fexceptions): Merge 2 different descriptions.
5118 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5120 * toplev.c (documented_lang_options): Spelling corrections.
5122 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5124 * configure.in: new flags --with-ld and --with-as, equivalent
5125 to setting LD and AS environment variables. Test whether
5126 specified arguments are GNU commands, and report them with
5127 checking messages. Use the specified AS for configure
5130 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
5132 * gcc.c (find_a_file): when looking for `as' and `ld', return
5133 the DEFAULT program if it exists
5134 * collect2.c (main): use DEFAULT_LINKER if it exists
5136 * gcc.c (find_a_file): the test for existence of a full
5137 pathname was reversed
5139 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
5141 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
5142 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
5144 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
5146 * tree.h (TYPE_BINFO): Document.
5148 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
5150 * i386-coff.h (dbxcoff.h): Added.
5152 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
5154 * toplev.c: fix bad patch around flag_data_sections.
5156 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
5158 * reload1.c (reload): Use reload_address_index_reg_class and
5159 reload_address_base_reg_class when setting
5160 caller_save_spill_class. (Patch generated by Jim Wilson:
5163 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
5165 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
5166 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
5167 * expr.c (store_field): Add alias_set parameter. Set the
5168 MEM_ALIAS_SET accordingly, if the target is a MEM.
5169 (expand_assignment): Use it.
5170 (store_constructor_field): Pass 0.
5171 (expand_expr): Likewise.
5173 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
5175 * flags.h: Add flag_data_sections.
5176 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
5177 (compile_file): Error if flag_data_sections not supported.
5178 * varasm.c (assemble_variable): Handle flag_data_sections.
5179 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
5180 * config/mips/elf.h: Likewise.
5181 * config/mips/elf64.h: Likewise.
5182 * invoke.texi: Describe -fdata-sections.
5184 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
5186 * invoke.texi (-ffloat-store): Clarify that this option
5187 does not affect intermediate results -- only variables.
5189 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
5191 * cpp.texi: Update for Fortran usage from Craig.
5193 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5195 * rs6000.c (function_arg_boundary): Revert accidental change on
5198 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
5200 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
5201 (output_mi_thunk): Declare.
5203 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
5204 (output_function_profiler): Use r12 for temp, instead of r11 so
5205 that we preserve the static chain register.
5207 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
5209 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
5211 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5213 * sh.c (gen_shl_sext): Fix case 5.
5215 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5217 * reload1.c (reload_combine): Re-add line that got accidentally lost.
5219 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5221 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
5222 accessing variables until they are initialized via va_arg().
5224 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5226 * reload1.c (reload_combine): Initialize set before using.
5228 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
5230 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
5233 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
5235 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
5236 operand3 with mask before using it. Patch provided by Jim Wilson.
5238 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5240 * config/sparc/sparc.c (function_value): Perform the equivalent of
5241 PROMOTE_MODE for ARCH64.
5242 (eligible_for_epilogue_delay): Allow DImode operations in delay
5243 slot of a return for ARCH64.
5245 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5247 * sh.md (sqrtsf2): Fix mode of sqrt.
5249 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5251 * reload1.c (choose_reload_regs): Also try inheritance when
5252 reload_in is a stack slot of a pseudo, even if we already got a
5255 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5257 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
5258 (reload_cse_regs): New function body: call reload_cse_regs_1,
5259 reload_combine, reload_cse_move2add.
5260 When doing expensive_optimizations, call reload_cse_regs_1 a
5261 second time after reload_cse_move2add.
5262 (reload_combine, reload_combine_note_store): New functions.
5263 (reload_combine_note_use): New function.
5264 (reload_cse_move2add, move2add_note_store): New functions.
5266 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5268 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
5269 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
5271 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
5272 more than 3 such reloads.
5274 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
5275 RELOAD_FOR_X_ADDR_ADDR reload.
5277 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5279 * expr.c (store_constructor): When initializing a field that is smaller
5280 than a word, at the start of a word, try to widen it to a full word.
5282 * cse.c (cse_insn): When we are about to change a register,
5283 remove any invalid references to it.
5285 (remove_invalid_subreg_refs): New function.
5286 (mention_regs): Special treatment for SUBREGs.
5287 (insert_regs): Don't strip SUBREG for call to mention_regs.
5288 Check if reg_tick needs to be bumped up before that call.
5289 (lookup_as_function): Try to match known word_mode constants when
5290 looking for a norrower constant.
5291 (canon_hash): Special treatment for SUBREGs.
5293 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5295 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
5296 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
5297 defined, emit libcall to __enable_execute_stack. Also fix opcodes
5298 and offsets in actual stack trampoline code so they match the
5299 commentary and actually work.
5301 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5303 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
5305 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
5306 tmake_file. Set extra_parts to needed crt objects.
5307 * configure: Rebuilt.
5308 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
5309 (TARGET_DEFAULT): Set if default is v9 or ultra.
5310 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
5311 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
5312 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
5313 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
5314 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
5315 (TARGET_VERSION): Define.
5316 (MULTILIB_DEFAULT): Define.
5317 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
5318 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
5319 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
5321 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
5322 * config/sparc/sparc.c (sparc_override_options): If arch and
5323 pointer size disagree, emit diagnostic and fix it up. If
5324 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
5325 V8PLUS in 64-bit mode.
5326 * config/sparc/t-linux64: New file.
5327 * config/sparc/t-sol2-64: New file.
5328 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
5329 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
5330 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
5331 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
5332 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
5333 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
5335 (STARTFILE_SPEC): Set approriately based upon those.
5336 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
5337 disposition of DEFAULT_ARCH32_P.
5338 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
5339 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
5340 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
5341 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
5342 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
5344 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
5346 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
5348 * rtl.h (init_virtual_regs): New function.
5349 * emit-rtl.c (init_virtual_regs): Define.
5350 (insn_emit): Use it.
5351 * integrate.c (save_for_inline_copying): Likewise.
5353 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
5355 * config/arm/thumb.h: The following patches were made by Jim Wilson:
5356 (enum reg_class): Add NONARG_LO_REGS support.
5357 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5358 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
5359 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
5360 completes. Re-enable HImode REG+OFFSET addresses.
5361 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5363 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5365 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5367 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5368 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5369 (alpha_align_insns): Properly calculate initial offset wrt max_align.
5371 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
5373 * arm.c (find_barrier): Revert change of Apr 23. Handle table
5374 jumps as a single entity, taking into account the size of the
5377 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5379 * tree.def (SWITCH_EXPR): New tree node definition.
5381 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
5383 * version.c: Bump for snapshot.
5385 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
5387 * version.c: Bump for snapshot.
5389 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
5391 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
5394 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
5396 * Revert this patch.
5397 * reload.c (find_reloads): Do not replace a pseudo with
5398 (MEM (reg_equiv_addr)) in the initializing insn for the
5401 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
5403 * final.c (final_scan_insn): Disable tracking CC across branches.
5405 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5407 * expr.h (eh_rtime_match_libfunc): New extern declaration.
5408 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
5409 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
5410 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
5411 NULL. Only include <stdio.h> if inhibit_libc is not defined.
5413 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
5415 * toplev.c (rest_of_compilation): Skip compiling anything with
5416 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
5418 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
5420 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
5421 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
5422 use in_libcall_block.
5423 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
5424 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
5427 Mon Sep 21 14:02:23 1998
5429 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
5430 typo in no-fancy-math-387 description.
5432 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
5434 * version.c: Bump for snapshot.
5436 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
5438 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
5440 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
5442 * i386.h: (TARGET_SWITCHES) Add description fields for flags
5443 documented in install.texi.
5444 (TARGET_OPTIONS) Likewise.
5446 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
5448 * version.c: Bump for snapshot.
5450 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
5452 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
5453 * cccp.c (main): Likewise.
5455 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
5456 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
5459 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
5461 * Makefile.in (LIBS): Link in libiberty.a.
5462 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
5464 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
5466 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
5467 it to update bb boundaries. Update caller.
5468 * function.c (reposition_prologue_and_epilogue_notes): Update
5469 bb boundaries wrt the moved note.
5471 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
5473 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
5475 * configure: Regenerate.
5477 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
5479 * alpha.c (alpha_sr_alias_set): New variable.
5480 (override_options): Set it.
5481 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
5482 (mode_mask_operand): Fix signed-unsigned comparision warning.
5483 (alpha_expand_block_move): Likewise.
5484 (print_operand): Likewise.
5485 (get_aligned_mem): Use change_address.
5486 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
5487 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
5488 (alphaev4_next_nop, alphaev5_next_nop): New functions.
5489 (alpha_align_insns): Remade from old alphaev5_align_insns
5490 to handle multiple processors.
5491 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
5492 * output.h (label_to_alignment): Prototype.
5494 * tree.c (new_alias_set): New function.
5495 * tree.h (new_alias_set): Declare it.
5496 * c-common.c (c_get_alias_set): Use it.
5498 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
5500 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
5501 to an ABS expr, convert an unsigned input to signed.
5503 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
5505 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
5507 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5509 * configure.in: Add support for c4x targets.
5510 * configure: Rebuilt.
5512 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
5514 * combine.c (distribute_notes): If an insn is a cc0 user, only
5515 delete it if we can also delete the cc0 setter.
5517 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
5519 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
5520 (invert_truthvalue): Enable truthvalue inversion for
5521 floating-point operands if -ffast-math.
5523 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
5525 * configure.in: Disable collect2 for nextstep. Instead use
5527 * configure: Rebuilt.
5528 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
5529 (ENDFILE_SPEC): Define.
5530 (OBJECT_FORMAT_MACHO): Define.
5531 (EH_FRAME_SECTION_ASM_OP): Define.
5532 * crtstuff.c: Handle MACHO.
5534 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
5536 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
5538 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
5540 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
5541 (_fpadd_parts): Get sign right for 0.
5543 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5545 * ginclude/varargs.h: Add support for C4x target.
5546 * ginclude/stdargs.h: Likewise.
5548 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
5550 * alpha.c (alpha_return_addr): SET should be VOIDmode.
5551 (alpha_emit_set_long_const): Rewrite to be callable from reload
5553 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
5554 * alpha.md (movdi): Likewise.
5556 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
5558 * arm.c (add_constant): New parameter address_only, change caller.
5559 Set it non-zero if taking the address of an item in the pool.
5560 (arm_reorg): Handle cases where we need the address of an item in
5563 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
5565 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
5566 memory addresses that are not in standard canonical form.
5568 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
5570 * README.C4X: New file with information about the c4x ports.
5571 * ginclude/va-c4x.h: New file for c4x varargs support.
5572 * config/c4x: New directory with c4x port files.
5574 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
5576 * reload.c (find_reloads): Do not replace a pseudo with
5577 (MEM (reg_equiv_addr)) in the initializing insn for the
5580 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
5582 * toplev.c (rest_of_compilation): Set bct_p on second call to
5584 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
5586 (strength_reduce): Only call analyze_loop_iterations and
5587 insert_bct if bct_p set.
5588 (check_dbra_loop): Fix typo.
5589 (insert_bct): Use word_mode instead of SImode.
5590 (instrument_loop_bct): Likewise. Do not delete iteration count
5591 condition code generation insn. Initialize iteration count before
5593 * rtl.h (loop_optimize): Update prototype.
5595 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
5596 not doubleword aligned.
5598 * rs6000.c (optimization_options): New function.
5599 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
5600 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
5601 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
5602 first; cr1 can be used for FP record condition insns.
5604 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
5606 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
5609 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
5612 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
5614 (block_move_call): New function: Call a library routine to copy a
5616 (m32r_expand_block_move): New function: Expand a "movstrsi"
5617 pattern into a sequence of insns.
5618 (m32r_output_block_move): New function: Expand a
5619 "movstrsi_internal" pattern into a sequence of assembler opcodes.
5620 (m32r_block_immediate_operand): New function: Return true if the
5621 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
5623 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5625 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
5627 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
5629 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5631 * regmove.c (copy_src_to_dest): Check that modes match.
5633 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
5635 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
5637 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
5639 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
5640 narrower than FLOAT_REGS.
5642 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5644 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
5646 * Makefile.in (old_gxx_include_dir): removed
5648 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
5650 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
5653 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
5654 (sh_handle_pragma): Change function arguments to match new
5655 specification for HANDLE_PRAGMA.
5657 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5659 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
5661 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
5662 When generating output, initialize missing struct member to zero.
5664 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5666 * regmove.c (copy_src_to_dest): Don't copy if that requires
5667 (a) new register(s).
5669 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5671 * global.c (reg_allocno): Now static.
5672 * reload1.c (reg_allocno): Delete declaration.
5673 (order_regs_for_reload): Take no arguments. Don't treat regs
5674 allocated by global differently than those allocated by local-alloc.
5676 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
5678 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
5679 condition, fix format strings.
5680 (output_function_epilogue): Likewise.
5682 * m68k/m68k.c: Don't include <stdlib.h> directly.
5684 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
5686 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
5687 mem_first_set, mem_last_set; because 0 can be a CUID.
5688 (oprs_unchanged_p): Use new definition.
5689 (record_last_reg_set_info): Likewise.
5690 (record_last_mem_set_info): Likewise.
5691 (compute_hash_table): Likewise.
5693 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
5695 * rs6000.c (output_epilogue): Handle Chill.
5697 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5698 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5700 * combine.c (make_extraction): If no mode is specified for
5701 an operand of insv, extv, or extzv, default it to word_mode.
5702 (simplify_comparison): Similarly.
5703 * expmed.c (store_bit_field): Similarly.
5704 (extract_bit_field): Similarly.
5705 * function.c (fixup_var_regs_1): Similarly.
5706 * recog.c (validate_replace_rtx_1): Similarly.
5707 * mips.md (extv, extzv, insv expanders): Default modes for most
5708 operands. Handle TARGET_64BIT.
5709 (movdi_uld, movdi_usd): New patterns.
5711 * pa.c (emit_move_sequence): Do not replace a pseudo with its
5712 equivalent memory location unless we have been provided a scratch
5713 register. Similarly do not call find_replacement unless a
5714 scratch register has been provided.
5716 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5718 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
5721 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
5723 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
5724 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
5725 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
5726 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
5727 * c-decl.c (init_decl_processing): Update accordingly.
5728 * expr.c (expand_builtin): Likewise.
5730 * rtl.h (global_rtl): Add cfa entry.
5731 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
5732 (LAST_VIRTUAL_REGISTER): Update.
5733 * emit-rtl.c (global_rtl): Add cfa entry.
5734 (init_emit): Initialize it.
5735 * function.c (cfa_offset): New.
5736 (instantiate_virtual_regs): Initialize it.
5737 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
5738 (expand_function_end): Call expand_eh_return.
5739 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
5741 * except.c (current_function_eh_stub_label): Kill.
5742 (current_function_eh_old_stub_label): Likwise; update all references.
5743 (expand_builtin_set_return_addr_reg): Kill.
5744 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
5745 (expand_builtin_set_eh_regs): Kill.
5746 (eh_regs): Produce a third reg for the actual handler address.
5747 (eh_return_context, eh_return_stack_adjust): New.
5748 (eh_return_handler, eh_return_stub_label): New.
5749 (init_eh_for_function): Initialize them.
5750 (expand_builtin_eh_return, expand_eh_return): New.
5751 * except.h: Update prototypes.
5752 * flow.c (find_basic_blocks_1): Update references to the stub label.
5753 * function.h (struct function): Kill stub label elements.
5755 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
5756 register number is one that would be in the previous window.
5757 Provide a dummy definition for non-windowed targets.
5758 (get_reg_addr): New function.
5759 (get_reg, put_reg, copy_reg): Use it.
5760 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
5761 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
5763 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
5764 (alpha_init_expanders): Initialize it.
5765 (alpha_expand_epilogue): Use it.
5766 * alpha.h: Declare it.
5767 * alpha.md (eh_epilogue): New.
5769 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
5770 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
5772 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
5774 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
5777 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5779 * except.h (struct eh_entry): Add false_label field.
5780 (end_catch_handler): Add prototype.
5781 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
5782 (start_catch_handler): When using old style exceptions, issue
5783 runtime typematch code before continuing with the handler.
5784 (end_catch_handler): New function, generates label after handler
5785 if needed by older style exceptions.
5786 (expand_start_all_catch): No need to check for new style exceptions.
5787 (output_exception_table_entry): Only output the first handler label
5788 for old style exceptions.
5789 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
5790 mechanism into one function, if a runtime matcher is provided.
5792 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5794 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
5796 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
5798 * integrate.c (copy_decl_list): Fix typo.
5800 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5802 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
5805 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
5807 * version.c: Bump for snapshot.
5809 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
5811 * version.c: Bump for snapshot.
5813 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
5815 * version.c: Bump for snapshot.
5817 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5819 * invoke.texi (C Dialect Options): Put back missing @end itemize.
5821 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5823 * configure.in: remove usage of `!' to negate the result of a
5824 command; some common shells do not support it
5826 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5828 * configure.in: in sparc9-sol2 config, use 'if test' not
5830 * configure: Rebuilt.
5832 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
5834 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
5835 (CPP_CPU_DEFAULT_SPEC): Likewise.
5836 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
5837 for arch64 libfuncs.
5839 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
5842 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5844 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
5846 * collect2.c: Don't declare `sys_siglist' here.
5847 (my_strsignal): Prototype and define new function. Use it in
5848 place of `sys_siglist' hacks.
5850 * mips_tfile.c: Likewise.
5852 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
5853 (GCC_NEED_DECLARATIONS): Likewise.
5855 * system.h (strsignal): Prototype it, if necessary.
5856 (sys_siglist): Declare it, if necessary.
5858 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5860 * loop.c (move_movables): While removing insn sequences, preserve
5861 the next pointer of the most recently deleted insn when we skip
5864 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
5866 * objc/config-lang.in: Do not output the name of the selected
5867 thread file when building the front-end. The Makefile for the
5868 runtime library will do this.
5870 * objc/Make-lang.in: Do not build the runtime library or install
5871 the Objective C header files. The Makefile for the runtime
5872 library will do this.
5874 * objc/Makefile.in (all.indirect): Only build the front-end.
5875 (compiler): Rename to `frontend'.
5876 (obj-runtime): Remove target.
5877 (copy-headers): Likewise.
5878 (clean): No need to remove `libobjc.a' any longer.
5880 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
5882 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
5883 supported with -mcpu=xxx.
5885 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5887 * flow.c (mark_set_1): Recognize multi-register structure return
5888 values in CALL insns.
5889 (mark_used_regs): Likewise.
5890 (count_reg_sets_1): Likewise.
5891 (count_reg_references): Likewise.
5892 * rtlanal.c (note_stores): Likewise.
5893 (reg_overlap_mentioned_p): Likewise.
5894 * haifa-sched.c (check_live_1): Likewise.
5895 (update_live_1): Likewise.
5896 (sched_analyze_1): Likewise.
5897 (sched_note_set): Likewise.
5898 (birthing_insn_p): Likewise.
5899 (attach_deaths): Likewise.
5901 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
5904 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
5906 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
5908 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5910 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
5912 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5914 * configure.in: Add check for GAS subsection -1 support.
5915 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
5916 * configure config.in: Rebuilt.
5917 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
5918 SImode is subsection -1 works, else use DImode.
5919 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
5920 subsection -1 works.
5921 * config/sparc/sparc.c (sparc_output_addr_vec,
5922 sparc_output_addr_diff_vec): Use them if defined.
5924 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
5926 * tree.h (DECL_ORIGIN): New macro.
5927 * integrate.c (copy_and_set_decl_abstract_origin): New function.
5928 (copy_decl_list): Use it.
5929 (integrate_parm_decls): Likewise.
5930 (integrate_decl_tree): Likewise.
5931 * dwarf2out.c (decl_ultimate_origin): Simplify.
5932 * dwarfout.c (decl_ultimate_origin): Likewise.
5933 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
5934 (pushdecl): Likewise.
5936 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
5938 * config/rs6000/rs6000.c (output_epilog): Add Java support.
5940 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
5942 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
5944 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
5946 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
5947 empty or has a single entry.
5949 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
5950 before calling reg_to_stack.
5952 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
5954 * alpha.c (alphaev5_insn_pipe): Abort on default case.
5955 (alphaev5_next_group): Swallow CLOBBERs and USEs.
5957 * c-tree.h (warn_long_long): Declare it.
5959 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
5961 * emit-rtl.c (gen_lowpart_common): Disable optimization of
5962 initialized float-int union if the value is a NaN.
5964 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
5966 * c-lex.c (real_yylex): Don't warn about long long constants if
5967 we're allowing long long
5969 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5971 * except.h (current_function_eh_stub_label): Declare.
5972 (current_function_eh_old_stub_label): Declare.
5973 * function.h (struct function): New members eh_stub_label and
5975 * except.c (current_function_eh_stub_label): New variable.
5976 (current_function_eh_old_stub_label): New variable.
5977 (init_eh_for_function): Clear them.
5978 (save_eh_status): Save them.
5979 (restore_eh_status): Restore them.
5980 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
5981 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
5982 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
5983 make an edge from the block that contains it to the block starting
5984 with the label if this label is one of the eh stub labels.
5985 If eh stub labels exist, show they are reachable from the last block
5988 * reload1.c (reload): Break out several subroutines and make some
5990 (calculate_needs_all_insns): New function, broken out of reload.
5991 (calculate_needs): Likewise.
5992 (find_reload_regs): Likewise.
5993 (find_group): Likewise.
5994 (find_tworeg_group): Likewise.
5995 (something_needs_reloads): New global variable, formerly in reload.
5996 (something_needs_elimination): Likewise.
5997 (caller_save_spill_class): Likewise.
5998 (caller_save_group_size): Likewise.
5999 (max_needs): Likewise.
6000 (group_size): Likewise.
6001 (max_groups): Likewise.
6002 (max_nongroups): Likewise.
6003 (group_mode): Likewise.
6004 (max_needs_insn): Likewise.
6005 (max_groups_insn): Likewise.
6006 (max_nongroups_insn): Likewise.
6007 (failure): Likewise.
6009 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
6011 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
6013 * loop.c (load_mems): Copy rtx for output mem.
6015 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
6017 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
6018 mips1 or mips2 either.
6020 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
6022 * pa.c (pa_reorg): New marking scheme for jumps inside switch
6024 (pa_adjust_insn_length): Update to work with new marking scheme
6025 for jumps inside switch tables.
6026 * pa.md (switch_jump): Remove pattern.
6027 (jump): Handle jumps inside jump tables.
6029 * Makefile.in (profile.o): Depend on insn-config.h
6031 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
6033 * iris6.h (DWARF2_UNWIND_INFO): Undef.
6035 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6037 Add preliminary native sparcv9 Solaris support.
6038 * configure.in: Recognize sparv9-*-solaris2*
6039 * configure: rebuilt
6040 * config.sub: Recognize sparcv9 just like sparc64.
6041 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
6042 config/sparc/sol2-cn.asm: Macroize so it can be shared between
6043 32-bit and 64-bit Solaris systems.
6044 * config/sparc/t-sol2: Assemble those with cpp.
6045 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
6046 (*TF*_LIBCALL): If ARCH64 use V9 names.
6047 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
6049 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6051 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
6052 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
6054 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
6056 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
6057 to Pmode if CASE_VECTOR_MODE is something else.
6059 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
6061 * prefix.c (update_path): Correctly handle cases where PATH is
6062 a substring of the builtin prefix, but specifies a different
6065 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
6067 * expr.c: Corrected comment about what MOVE_RATIO does.
6068 * config/alpha/alpha.h: Ditto.
6069 * config/1750a/1750a.h: Ditto.
6070 * config/clipper/clipper.h: Ditto.
6071 * config/i386/i386.h: Ditto.
6073 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
6075 * configure.in (m68k-next-nextstep3*): Use collect2.
6076 Similarly for x86 NeXT configurations.
6077 * configure: Rebuilt.
6079 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
6081 * configure.in: Don't assume srcdir is .../gcc
6082 * configure: Rebuilt.
6084 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
6086 * global.c: Update comments.
6087 (global_alloc): Assign allocation-numbers
6088 even for registers allocated by local_alloc in case
6089 they are later spilled and retry_global_alloc is called.
6090 (mark_reg_store, mark_reg_clobber,
6091 mark_reg_conflicts, mark_reg_death): Always record a
6092 conflict with a pseudo register even if it has been
6093 assigned to a hard register.
6094 (dump_conflicts): Don't list pseudo registers already assigned to
6095 a hard register as needing to be allocated, but do list their
6097 * local-alloc.c: Update comment.
6099 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
6101 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
6102 * configure: Rebuilt.
6104 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
6106 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
6108 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
6109 for all targets that set -msoft-float.
6111 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6113 * toplev.c (print_switch_values): Make static to match prototype.
6115 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
6117 * configure.in: If we are unable to find the "gnatbind" program,
6118 then do not configure the ada subdir.
6119 * configure: Rebuilt.
6121 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
6123 * version.c: Bump for snapshot.
6125 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
6127 * version.c: Bump for snapshot.
6129 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6131 * Makefile.in (toplev.o): Depend on $(EXPR_H).
6132 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
6134 * gansidecl.h: Define ATTRIBUTE_NORETURN.
6136 * genattrtab.c: Have insn-attrtab.c include toplev.h.
6138 * genextract.c: Have insn-extract.c include toplev.h.
6140 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
6142 * toplev.c: Include expr.h.
6143 (really_sorry, fancy_abort): Remove prototypes.
6144 (set_target_switch): Add argument in prototype.
6145 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
6146 (v_really_sorry): Likewise.
6147 (print_version, print_single_switch, print_switch_values): Make
6148 static and add prototype arguments.
6149 (decl_printable_name): Add prototype arguments.
6150 (lang_expand_expr_t): New typedef.
6151 (lang_expand_expr): Declare as a lang_expand_expr_t.
6152 (incomplete_decl_finalize_hook): Add prototype argument.
6153 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
6154 (botch): Likewise for variable `s'.
6155 (rest_of_type_compilation): Mark variables `type' and `toplev'
6156 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
6157 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
6158 (display_help): Make variable `i' an `unsigned long'.
6159 (main): Remove unused parameter `envp'.
6160 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
6161 Cast -1 when comparing it with a `size_t'.
6163 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
6164 prototype with ATTRIBUTE_NORETURN.
6165 (fatal_insn_not_found, fatal_insn, really_sorry,
6166 push_float_handler, pop_float_handler): Add prototypes.
6167 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
6168 (do_abort, botch): Add prototypes.
6170 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
6172 * final.c (final): If a label is reached only from a single jump,
6173 call NOTICE_UPDATE_CC on the jump and its predecessor before
6174 emitting the insn after the label.
6176 * i386.h: Add AMD K6 support.
6177 Change TARGET_* macros to use table lookup.
6178 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
6179 (ADJUST_COST): Change definition to call function in i386.c.
6180 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
6181 * i386.c: Add AMD K6 support.
6182 Add constants for feature tests used by TARGET_* macros.
6183 (split_di): If before reload, call gen_lowpart and gen_highpart.
6184 (x86_adjust_cost): New function.
6185 (put_jump_code): New function.
6186 (print_operand): New codes 'D' and 'd'.
6187 * i386.md: New insn types. New insn attribute "memory".
6188 Redefine scheduling parameters to use new types and add AMD K6
6189 support. Explicitly set type of most insns.
6190 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
6191 Pro and K6 prefer movl $1,reg to incl reg.
6192 (adddi3, subdi3): Set cc_status.
6193 (DImode shift patterns): Change label counters from HOST_WIDE_INT
6194 to int; x86 can't have more than 2^31 DImode shifts per file.
6195 (setcc): Combine all setcc patterns. Allow writing memory.
6196 Combine all jump patterns using match_operator.
6197 (*bzero): Name pattern. Emit mutliple stos instructions when that
6198 is faster than rep stos.
6199 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
6202 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
6204 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
6207 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
6209 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
6210 not whatever we're generating now.
6212 * alpha.c (set_frame_related_p, FRP): New.
6213 (alpha_expand_prologue): Mark frame related insns.
6214 (alpha_expand_epilogue): Likewise, but with a null FRP.
6215 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
6216 * alpha.md (exception_receiver): New.
6217 * alpha/crtbegin.asm (.eh_frame): New beginning.
6218 (__do_frame_setup, __do_frame_takedown): New.
6219 * alpha/crtend.asm (.eh_frame): New ending.
6220 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
6221 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
6222 (ASM_FILE_START): Don't emit .file for dwarf2.
6224 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
6225 * rtl.c (reg_note_name): Likewise.
6226 * rtl.texi (REG_NOTES): Likewise.
6227 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
6230 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
6232 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
6233 * i386.md (movsf, movdf, movxf): Validate memory address returned
6234 from force_const_mem. Kill useless REG_EQUAL setting code.
6236 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
6238 * m68k.md (zero_extendsidi2): Fix typo.
6240 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
6242 * configure.in: Removed references to the removed file
6243 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
6244 * arm*-*-netbsd* and ns32k-*-netbsd*.
6245 * config/i386/xm-netbsd.h: Removed unnecessary file.
6246 * config/m68k/xm-netbsd.h: Likewise.
6247 * config/sparc/xm-netbsd.h: Likewise.
6248 * config/mips/xm-netbsd.h: Likewise.
6250 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
6252 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
6253 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
6255 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
6256 for exact section attributions.
6258 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
6260 * i386/crtdll.h (CPP_PREDEFINES): Define.
6262 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
6264 * m68k.md (5200 movqi): Do not allow byte sized memory references
6266 * m68k.c (output_move_qimode): Do not use byte sized operations on
6269 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
6270 explicit rules for building. Similarly for alloca, vfprintf,
6271 choose-temp and mkstemp, getopt, getopt1, and obstack.
6272 (INCLUDES): Add $(srcdir)/../include.
6273 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
6274 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
6276 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
6278 * gcc.c (do_spec_1): [case 'o'] Account for
6279 lang_specific_extra_outfiles.
6280 (main): Correctly clear all slots in outfiles for
6281 lang_specific_extra_outfiles. Set input_file_number before
6282 calling lang_specific_pre_link.
6284 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
6286 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
6288 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6290 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
6292 (sparc_output_deferred_case_vectors): If no work to do, return.
6293 Fix thinko in Sept 1 change.
6295 1998-09-03 SL Baur <steve@altair.xemacs.org>
6297 * Makefile.in: add semicolon in BISON definition for portability.
6299 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6301 * config/nextstep.c (handle_pragma): Correct name of third
6304 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
6306 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
6307 * config/m32r/m32r.h: Make register 17 be fixed.
6308 * config/m32r/m32r.c: Use SImode for cc operations.
6310 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
6312 * invoke.texi (Warning Options): Add -Wnon-template-friend
6315 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
6317 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
6319 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
6321 * rs6000.md (movsf): Disable explicit secondary-reload-like
6322 functionality if TARGET_POWERPC64.
6323 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
6326 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
6328 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
6329 and term.h from fixinc.wrap.
6331 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6333 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
6334 safe to include both string.h and strings.h together.
6335 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
6336 which headers to search for function declarations. Continue to
6337 prefer string.h over strings.h when both are not acceptable.
6339 * acconfig.h (STRING_WITH_STRINGS): Add stub.
6341 * configure.in: Call GCC_HEADER_STRING.
6343 * system.h: Test STRING_WITH_STRINGS when deciding which headers
6344 to include. Continue to prefer string.h over strings.h when both
6347 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6349 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
6350 not assume top 32-bits of symbolic addresses are zero if
6353 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
6355 * ginclude/va-alpha.h: Protect entire second portion of the
6356 file against double inclusion.
6358 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
6360 Added support for the Boehm's garbage collector.
6361 * configure.in: Handle --enable-objc-gc.
6362 * configure: Rebuilt.
6363 * Makefile.in (CHECK_TARGETS): Add check-objc.
6364 (check-objc): New rule.
6365 * objc/Make-lang.in: Build a different Objective-C library that
6366 runs with the Boehm's collector.
6367 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6368 * objc/encoding.c: Correctly compute the size of compound types in
6369 the presence of bitfields. Skip the variable name of the type if
6370 any. Added support for long long.
6371 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
6372 (_F_GCINVISIBLE): New mask.
6373 * objc/gc.c: New file. Compute the type memory mask associated with
6374 a class based on the runtime information.
6375 * objc/misc.c: Added the hooks that use the Boehm's collector
6376 allocation functions.
6377 * objc/objc-act.c (build_class_template): Generate a new class
6378 member (gc_object_type) to hold the class' type memory mask.
6379 (build_shared_structure_initializer): Initialize the new member to
6381 (encode_complete_bitfield): New function. Generate the new
6383 (encode_field_decl): Generate the new encoding only for the GNU
6385 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
6387 (class_get_gc_object_type): New function to mark a pointer instance
6388 variable as a weak pointer.
6389 * objc/objc-features.texi: New file.
6390 * objc/objc.h (gc_object_type): New class member.
6391 * objc/objects.c (class_create_instance): Create a typed memory
6392 object when compiled with Boehm's collector support.
6393 * objc/sendmsg.c (__objc_init_install_dtable): Call
6394 __objc_send_initialize instead of setting the initialize flag.
6395 (__objc_send_initialize): Call __objc_generate_gc_type_description
6396 to generate the class type memory mask. Rewrite the code that
6397 sends the +initialize so that it is called only once (bug report
6398 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
6399 * testsuite/objc: New testsuite for Objective-C type encoding.
6400 * testsuite/lib/objc-torture.exp: New file.
6401 * testsuite/lib/objc.exp: New file.
6403 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
6405 * jump.c (jump_optimize): In if/then/else transformations, add
6406 another call to modified_between_p for the jump insn.
6408 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
6410 * fix-header.c (symlink): Treat like readlink.
6412 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6414 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
6417 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
6419 * config/nextstep.h: Update HANDLE_PRAGMA macro.
6420 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
6421 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
6423 * config/nextstep.c (handle_pragma): Take three arguments, as per
6424 the new HANDLE_PRAGMA macro specification.
6425 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
6426 per the new HANDLE_PRAGMA macro specification.
6427 * config/i960/i960.c (process_pragma): Take three arguments, as
6428 per the new HANDLE_PRAGMA macro specification.
6430 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
6432 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
6433 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
6434 if unknown pragmas are encountered.
6435 (handle_sysv_pragma): Interpret return code from
6436 handle_pragma_token (). Return success/failure indication rather
6437 than next unprocessed character.
6438 (pragma_getc): New function: retrieves characters from the
6439 input stream. Defined when HANDLE_PRAGMA is enabled.
6440 (pragma_ungetc): New function: replaces characters back into the
6441 input stream. Defined when HANDLE_PRAGMA is enabled.
6443 * c-pragma.c (handle_pragma_token): Return success/failure status
6446 * c-pragma.h: Change prototype of handle_pragma_token().
6448 * varasm.c: (handle_pragma_weak): Only create this function if
6449 HANDLE_PRAGMA_WEAK is defined.
6451 * c-common,c (decl_attributes): If defined call the expression
6452 contained within the INSERT_ATTRIBUTES macro before adding
6453 attributes to a decl.
6455 * tm.texi (HANDLE_PRAGMA): Document the new verion of
6456 HANDLE_PRAGMA, which takes three arguments.
6457 (INSERT_ATTRIBUTES): Document this new macro.
6459 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
6460 new INSERT_ATTRIBUTES macro.
6462 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6464 * config/sparc/sparc.md (movdf): Only generate special RTL for
6465 LABEL_REFs when PIC.
6466 (move_label_di): Remove
6467 (movdi_pic_label_ref, movdi_high_pic_label_ref,
6468 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
6469 references when PIC.
6470 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
6471 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
6472 output an .xword for all 64-bit cases.
6474 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6476 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
6477 alignment, use FUNCTION_BOUNDARY instead.
6478 (sparc_output_deferred_case_vectors): Likewise.
6480 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6482 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
6483 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
6485 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
6487 * alpha/va_list.h: New file.
6488 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
6490 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
6492 * NEWS: Add SCO Openserver and Unixware 7 notes.
6496 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
6498 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
6499 (record_constant_1): Handle RANGE_EXPR.
6501 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
6503 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
6504 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
6505 and NOTE_INSN_RANGE_END specially.
6506 (reemit_notes): Likewise.
6508 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6510 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
6511 (ultrasparc_sched_init): Remove unneeded &.
6513 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6515 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
6516 for m68020-60, to prevent the use of fintrz.
6518 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
6520 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
6522 * Makefile.in: Likewise.
6523 * configure: Regenerated.
6525 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
6527 * configure.in (gxx_include_dir): Changed to
6528 '${prefix}/include/g++'-${libstdcxx_interface}.
6529 * configure: Rebuilt.
6531 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
6533 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
6535 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
6536 *sequences* *below* which scalar moves will be used.
6538 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
6540 * collect2.c (mktemp): Delete unused declaration.
6542 * config/xm-netbsd.h: Remove unnecessary file.
6543 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
6544 file anymore, it is not needed.
6546 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
6548 * convert.c (convert_to_integer): Issue an error on conversions to
6551 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
6553 * Makefile.in: Add lang_tree_files and gencheck.h.
6554 * configure.in: Generate them.
6555 * gencheck.c: Include gencheck.h.
6557 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6559 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
6560 movdi_lo_sum_pic and movdi_high_pic and make visible.
6561 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
6562 emit these when Pmode is not SImode.
6563 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
6565 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
6567 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
6568 .linkonce directive after the first time.
6570 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
6572 * m68k.md (beq0_di): Generate correct (and more efficient) code when
6573 the clobbered operand overlaps with an input.
6574 (bne0_di): Similarly.
6576 * Makefile.in (INSTALL): Remove "--no-header" argument.
6578 * NEWS: Various updates.
6580 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6582 * config/sparc/sparc.c (arith_operand, const64_operand,
6583 const64_high_operand, arith_double_4096_operand): Mark mode as
6585 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
6587 (sparc_emit_set_const64): Remove unused variable i.
6588 (sparc_splitdi_legitimate): Likewise for addr_part.
6589 (ultra_code_from_mask): Likewise for mask.
6590 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
6591 reverse return values so it matches usage and comments.
6592 (ultra_flush_pipeline): Likewise.
6593 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
6594 this_type, and allow loads and stores of differing FP modes as
6595 they do not create a conflict.
6596 (ultra_find_type): Initialize fpmode to SFmode, fix
6597 parenthesization thinkos in large conditional.
6598 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
6599 Init free_slot_mask after ultra_cur_hist is reset, not before.
6600 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
6601 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
6602 use ultra_flush_pipeline instead, then re-init group pointer.
6603 Fix statement with no effect. If no progress made in, and no
6604 instructions scheduled at all, advance to new pipeline cycle else
6605 we get into an endless loop.
6606 (ultrasparc_adjust_cost): Remove previous arg.
6607 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
6609 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
6611 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
6612 code. Use reg_overlap_mentioned_p to detect when source and
6613 destination overlap.
6614 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
6616 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
6618 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
6619 COMPARISON_VAL, into invariant_p.
6621 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6623 * regmove.c (regclass_compatible_p): New function.
6624 (regmove_optimize): Use it.
6626 Use NREGS parameter insted of calling max_reg_num.
6628 (fixup_match_1): Don't use code = MINUS when later tieing with
6629 a hard register is likely.
6631 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6633 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
6634 COMPARISON_VAL was normalized.
6636 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
6638 * loop.c (check_dbra_loop): The loop ending comparison value
6639 must be an invariant or we can not reverse the loop.
6641 * loop.c (scan_loop): Count down from max_reg_num - 1 to
6642 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
6644 (load_mems_and_recount_loop_regs_set): Likewise.
6646 * i386.c (print_operand): Remove obsolete 'c' docs.
6648 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
6650 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
6651 * frame.c (init_object_mutex): New function.
6652 (init_object_mutex_once): Likewise.
6653 (find_fde): Call it.
6654 (__register_frame_info): Likewise.
6655 (__register_frame_info_table): Likewise.
6656 (__deregister_frame_info): Likewise.
6658 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
6660 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
6662 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6664 * loop.c (check_dbra_loop): Enable code for reversal
6665 of some loops without a known constant loop end.
6667 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
6669 * haifa-sched.c (last_clock_var): New.
6670 (schedule_block): Initialize it.
6671 (schedule_insn): Use it to fill insn modes with issue information.
6673 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
6674 Tag trapb and next insn with TImode.
6675 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
6676 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
6677 Invoke alphaev5_align_insns as appropriate.
6678 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
6679 (MD_SCHED_VARIABLE_ISSUE): New.
6680 * alpha.md (attr type): Add multi.
6681 (define_asm_attributes): New.
6682 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
6683 (arg_home): Likewise.
6684 (fnop, unop, realign): New.
6686 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
6688 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
6689 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
6691 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
6692 (rs6000-ibm-aix4.[12]*): Likewise.
6693 * configure: Regnerate.
6695 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
6697 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
6698 already contains the return address.
6700 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
6702 * calls.c (expand_call): Use bitfield instructions to extract/deposit
6703 word sized hunks when loading unaligned args into registers.
6705 * haifa-sched.c (sched_analyze_insn): Only create scheduling
6706 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
6708 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
6710 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6712 * loop.c (check_dbra_loop): Add some code that would allow reversal
6713 of some loops without a known constant loop end if it were enabled.
6715 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
6717 * mips.md (lshrsi3_internal2+2): Fix type-o.
6719 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6721 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
6722 correctly with regards to stdio.h.
6724 * calls.c: Remove stdarg.h/varargs.h.
6727 * combine.c: Likewise.
6728 * cpperror.c: Likewise.
6729 * cpplib.c: Likewise.
6730 * cpplib.h: Likewise.
6731 * doprint.c: Likewise.
6732 * emit-rtl.c: Likewise.
6733 * final.c: Likewise.
6734 * fix-header.c: Likewise.
6736 * genattr.c: Likewise.
6737 * genattrtab.c: Likewise.
6738 * gencodes.c: Likewise.
6739 * genconfig.c: Likewise.
6740 * genemit.c: Likewise.
6741 * genextract.c: Likewise.
6742 * genflags.c: Likewise.
6743 * genopinit.c: Likewise.
6744 * genoutput.c: Likewise.
6745 * genpeep.c: Likewise.
6746 * genrecog.c: Likewise.
6747 * mips-tfile.c: Likewise.
6748 * prefix.c: Likewise.
6749 * protoize.c: Likewise.
6750 * regmove.c: Likewise.
6751 * toplev.c: Likewise.
6754 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6756 * config/sparc/sparc.c (sparc_override_options): If not
6757 TARGET_FPU, turn off TARGET_VIS.
6758 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
6759 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
6760 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
6761 (movdi_insn_sp64): Add VIS fzero alternative.
6762 (clear_sf, clear_df): New VIS patterns.
6763 (movsf, movdf expanders): Allow fp_zero_operand flat out when
6765 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
6767 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
6769 * loop.c (n_times_set, n_times_used, may_not_optimize,
6770 reg_single_usage): Convert to varrays. All uses changed.
6771 (insert_loop_mem): Return a value.
6772 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
6773 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
6776 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
6779 * configure.in: Do not set thread_file to "irix" since no such
6782 * sparc.md (float abs/neg splits): Check reload_completed before
6783 calling alter_subreg.
6785 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6787 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
6789 * config/sparc/sparc.h: Declare it.
6790 * config/sparc/sparc.md (float abs/neg splits): Use it.
6791 (all other splits): Handle SUBREGs properly where necessary.
6792 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
6794 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
6796 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
6797 an insn on the unfilled_slots_list that has no delay slots.
6798 (fill_eager_delay_slots): Similarly.
6800 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
6802 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
6803 as an ordinary operand.
6805 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
6807 * tree.c (valid_machine_attribute): Don't apply attributes to both
6810 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
6812 * reload.c (operands_match_p): Handle rtvecs.
6814 * i386.c (legitimate_pic_address_disp_p): New.
6815 (legitimate_address_p): Use it.
6816 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
6817 Handle constant pool symbols just like statics.
6818 (emit_pic_move): Use Pmode not SImode for clarity.
6819 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
6820 [UNSPEC]: New, handling what we killed above.
6821 [PLUS]: Detect and abort on invalid symbol arithmetic.
6822 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
6824 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
6826 * alias.c: Include output.h.
6827 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
6828 different if we're in a varargs function.
6829 * Makefile.in (alias.o): Depend on output.h
6831 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6833 * sh.h (GIV_SORT_CRITERION): Delete.
6835 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
6837 * regclass.c (regclass): Use xmalloc/free instead of alloca.
6838 * stupid.c (stupid_life_analysis): Ditto.
6839 * reload1.c (reload): Ditto.
6841 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6843 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
6844 arith_double_4096_operand, arith_double_add_operand): New
6846 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
6847 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
6848 them to transform add/sub 4096 into add/sub -4096.
6850 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6852 * loop.c (scan_loop): Allocate some slop to handle pseudos
6853 generated by move_movables.
6854 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
6857 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
6859 * tree.def (DECL_RESULT): Correct documentation.
6861 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6863 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
6864 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
6865 conflicts will all RELOAD_FOR_OUTPUT reloads.
6867 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
6868 loads the function result, substitute with a USE.
6870 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6872 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
6873 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
6874 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
6875 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
6876 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
6877 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
6879 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
6880 'o' to 'm' for GPR variant constraints.
6882 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
6884 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
6886 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
6888 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
6889 when the source and destination overlap.
6891 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
6892 clash with global type.
6894 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
6896 * fixinc.irix: Add curses.h handling from fixinc.wrap.
6898 * c-common.c (combine_strings): Also set TREE_READONLY.
6899 Change warn_write_strings to flag_const_strings.
6900 * c-decl.c, c-tree.h: Likewise.
6902 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6904 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
6905 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
6906 sequence, use SET/IOR instead so CSE can see it.
6907 * config/sparc/sparc.md (movhi_const64_special,
6908 movsi_const64_special): New patterns necessitated by that change.
6909 (movhi_high): Remove.
6910 (movhi_lo_sum): Change to match an IOR.
6911 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
6912 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
6913 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
6914 (movdf splits): Allow when not V9 or when not ARCH64 and integer
6915 registers are involved.
6916 (snesi_zero_extend split): Remove reload_completed test.
6917 (unnamed plus and minus zero_extend sidi splits): Add it.
6919 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
6921 * extend.texi: Remove description of extension to explicit
6922 instantiation that is now endorsed by standard C++.
6924 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6926 * config/arc/arc.c (arc_initialize_pic): Remove.
6927 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
6928 nothing on any platform and is invoked by no-one, it does not even
6929 appear in the documentation.
6930 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
6931 * config/sparc/sparc.c (initialize_pic): Likewise.
6932 (find_addr_reg): Remove this as well, no longer referenced after
6935 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
6937 * recog.c (validate_replace_rtx_group): New function.
6938 * recog.h (validate_replace_rtx_group): Declare it.
6939 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
6940 the entire group of substitutions.
6942 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
6944 * loop.c (load_mems): Fix initializers.
6946 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6948 * config/sparc/sparc.md (TFmode splits): Handle destination
6949 registers being referenced in the address correctly.
6951 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
6952 TREE_UNSIGNED, when bitsize of type's mode is larger than
6953 HOST_BITS_PER_WIDE_INT.
6955 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6957 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
6958 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
6959 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
6961 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
6964 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
6966 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
6967 * h8300.h (TINY_DATA_NAME_P): Likewise.
6968 (STRIP_NAME_ENCODING): Handle '&'.
6970 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
6971 register (it could be accessed via an outer SUBREG).
6972 (REG_OK_FOR_BASE_P): Likewwise.
6973 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
6975 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
6978 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
6980 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6982 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
6983 must be offsettable so the splits can be made.
6985 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
6987 * config/i386/winnt.c: Include system.h, not stdio.h to get
6988 sys/param.h pulled in before rtl.h in case the system defines MIN
6991 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
6993 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
6995 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
6997 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
6999 * cpplib.c (cpp_define): Handle macros with parameters.
7001 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7003 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
7004 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
7005 and DImode 64-bit. Use llong for minimal-toc SFmode and
7006 SYMBOL_REF / LABEL_REF 64-bit.
7007 (output_function_profiler): Use llong for profiler label and ld to
7008 load 64-bit label address.
7010 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
7012 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
7015 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
7017 * version.c: Bump for snapshot.
7019 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
7021 * version.c: Bump for snapshot.
7023 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
7025 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
7027 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
7029 * tm.texi (Misc): Fix typo "teh".
7031 * tm.texi (PIC): Fix typo "PPIC".
7033 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
7034 effect when -O2 and higher.
7035 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
7037 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
7039 * regclass.c: Changed register set documentation to be consistent
7042 * final.c (final_start_function) Removed redundant test for
7045 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
7047 * rtl.h (rtx_function): New type.
7048 (for_each_rtx): New function.
7049 * rtlanal.c (for_each_rtx): Define it.
7051 * recog.c (change_t): New type.
7052 (change_objects, change_old_codes, change_locs, change_olds):
7054 (changes): New variable.
7055 (validate_change): Dynamically allocate room for more changes, if
7056 necessary. Uses changes array instead of change_objects, etc.
7057 (apply_change_group): Use changes array instead of
7058 change_objects, etc.
7060 * loop.c (loop_mem_info): New type.
7061 (loop_mems): New variable.
7062 (loop_mems_idx): Likewise.
7063 (looop_mems_allocated): Likewise.
7064 (scan_loop): Remove nregs parameter.
7065 (next_insn_in_loop): New function.
7066 (load_mems_and_recount_loop_regs_set): Likewise.
7067 (load_mems): Likewise.
7068 (insert_loop_mem): Likewise.
7069 (replace_loop_mem): Likewise.
7070 (replace_label): Likewise.
7071 (INSN_IN_RANGE_P): New macro.
7072 (loop_optimize): Don't pass max_reg_num() to scan_loop.
7073 (scan_loop): Remove nregs parameter, compute it after any new
7074 registers are created by load_mems. Use INSN_IN_RANGE_P and
7075 next_insn_in_loop rather than expanding them inline. Call
7076 load_mems to load memory into pseudos, if appropriate.
7077 (prescan_loop): Figure out whether or not there are jumps from the
7078 loop to targets other than the label immediately following the
7079 loop. Call insert_loop_mem to notice all the MEMs used in the
7080 loop, if it could be safe to pull MEMs into REGs for the duration
7082 (strength_reduce): Use next_insn_in_loop. Tweak comments.
7084 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
7086 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
7088 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7090 * config/sparc/sparc.c (finalize_pic): Check for the correct
7091 nonlocal_goto_receiver UNSPEC number.
7092 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
7093 making note of this dependency existing in sparc.c
7094 (negtf2_notv9 split): Give NEG SFmode.
7095 (negsf2): Fix insn output string.
7097 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
7099 * c-common.c (decl_attributes): Issue an error if the argument
7100 to alias is not a string.
7102 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
7104 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
7105 pending memory flush list.
7107 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
7109 (try_combine): Allow combining insns with REG_LIBCALL notes.
7111 * expr.c (emit_block_move): Do not call memcpy as a libcall
7112 instead build up a CALL_EXPR and call it like any other
7114 (clear_storage): Similarly for memset.
7116 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
7119 * Makefile.in (cplus-dem.o): Provide explicit rules for building
7122 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
7123 and REG_LIVE_LENGTH as successful substitutions are made.
7125 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7127 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
7128 statement after end of loop label.
7130 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7132 * config/sparc/sparc.c (ultra_types_avail): New variable.
7133 (ultra_build_types_avail): New function to record mask of insn
7134 types in ready list at this cycle.
7135 (ultrasparc_sched_reorder): Call it.
7136 (ultra_find_type): Use it to quicken the search. Also simplif
7137 dependency check, don't use rtx_equal_p because we know exactly
7138 what we are looking for.
7140 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
7142 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
7143 for architecture v4.
7145 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7147 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
7149 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
7150 movdf_const_intreg and helper splits): New patterns to move float
7151 constants into integer registers.
7152 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
7155 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
7158 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
7160 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
7162 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
7163 a BASE_REGS register is needed as an intermediate when copying
7164 a symbolic value into any register class other than BASE_REGS.
7166 * expr.c (move_by_pieces): No longer static. Remove prototype.
7167 * rtl.h (move_by_pieces): Add extern prototype.
7168 * mips.c (expand_block_move): Handle aligned straight line copy by
7169 calling move_by_pieces.
7171 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
7174 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
7176 * stmt.c (expand_end_loop): Tidy. Allow unconditional
7177 jumps out of the loop to be treated as part of the exit test.
7179 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7180 Jeff Law <law@cygnus.com>
7182 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
7183 * cplus-dem.c: Delete.
7185 * Makefile.in (fold-const.o): depend on $(RTL_H).
7187 * fold-const.c: Include rtl.h to get the prototype for
7188 `set_identifier_local_value'.
7190 * loop.c (express_from_1): Remove unused variable `tmp'.
7191 (combine_givs): cast the first argument of bzero to char *.
7193 * toplev.c (display_help): Remove unused variable `looking_for_start'.
7195 * c-decl.c (init_decl_processing): Remove unneeded &.
7197 * alpha.h (alpha_initialize_trampoline): Provide prototype.
7199 * except.c (set_exception_lang_code, set_exception_version_code):
7200 Change parameter from `short' to `int' to avoid using a gcc
7203 * except.h (set_exception_lang_code, set_exception_version_code):
7204 Likewise for prototypes.
7206 * flow.c (count_reg_references): Remove unused variables `regno'
7209 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
7211 * prefix.c (translate_name): Cast the result of `alloca'.
7213 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
7215 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7217 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
7219 (valid_dbcc_comparison_p): Mark mode argument as unused.
7220 (symbolic_operand): Likewise.
7221 (legitimize_pic_address): Likewise.
7222 (const_uint32_operand): Likewise.
7223 (const_sint32_operand): Likewise.
7224 * sched.c [!INSN_SCHEDULING]: Define only dummy function
7225 schedule_insns and comment out rest of file.
7227 * m68k.c (output_move_simode_const): Use subl to move a zero into an
7229 (output_move_[hq]imode): Likewise.
7231 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
7233 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
7234 * invoke.texi: Corresponding changes.
7236 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
7238 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
7240 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7242 * config/sparc/sparc.c (ultra_code_from_mask,
7243 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7244 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
7245 ultrasparc_sched_init, ultrasparc_variable_issue,
7246 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
7247 functions to describe UltraSPARC pipeline exactly to Haifa.
7248 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
7249 as there is nothing the scheduler can do about it. Indicate that
7250 REG_DEP_OUTPUT's collide. Fixup formatting.
7251 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
7252 divide costs on Ultra for DImode.
7253 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
7255 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
7256 ieuN and add call_no_delay_slot to type list.
7257 (cti function unit): New unit for branches on UltraSPARC.
7258 (subx/addx insns): Set type to misc.
7259 (sidi zero/sign extension insns on arch64): Set type to shift.
7260 (sign_extendhidi2_insn): Set type to sload.
7262 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
7264 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
7265 (output_epilog): Use if != 0 for offset.
7266 (rs6000_fatal_bad_address): Prepare for Intl.
7267 * rs6000.h (rs6000_fatal_bad_address): Declare.
7268 * rs6000.md (movsfcc, movdfcc): Use else if.
7269 (elf_high): Use {liu|lis}.
7270 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
7271 (movsi): Use rs6000_fatal_bad_address.
7273 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
7275 * reload.c (find_equiv_reg): Reject equivalences separated
7276 by a volatile instruction.
7278 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7280 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
7282 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
7284 * alpha.md (movsicc): Fix mode mismatch.
7286 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
7288 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
7290 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
7292 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7294 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
7295 write-only modifier from operand 1 constraint.
7297 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7299 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
7300 emitting a XOR of -1 at the end, emit a NOT instead for combine's
7302 (sparc_emit_set_const64): Likewise, also when computing trailing
7303 bits do not negate low_bits and make fast_int an int.
7305 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
7307 * loop.c (add_label_notes): Do not ignore references to labels
7308 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
7309 * gcse.c (add_label_notes): Similarly.
7311 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
7313 * m68k.md (adddi_dilshr32): One of the operands must be a register.
7314 (adddi_dishl32): Similarly.
7316 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
7318 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
7319 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
7320 * cse.c (cse_basic_block): Add parens to shut up warnings.
7322 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7324 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
7325 sparc_emit_set_const64_longway, const64_is_2insns,
7326 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
7327 in 64-bit constant formation.
7328 * config/sparc/sparc.md (snesi_zero_extend split): Generate
7329 rtl for addx not subx.
7330 (define_insn movdi_const64_special): Make available even when
7331 HOST_BITS_PER_WIDE_INT is not 64.
7332 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
7333 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
7334 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
7335 instances of operand 1 inside a QI subreg.
7336 (xordi3_sp64_dbl): Remove '%' constraint for op1.
7337 (one_cmpldi2_sp64): Fix output string.
7338 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
7340 (unnamed arch64 ashift DI): Truncate shift count if greater than
7343 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7345 * expr.c (store_expr): Don't optimize away load-store pair
7346 when either source or destination have a side effect.
7348 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
7350 * genrecog.c (add_to_sequence): Fatal error if the modes of the
7351 operands of SET are incompatible.
7353 * alpha.md: Fix max and min patterns so modes of SET operands match.
7355 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
7357 * configure.in: Avoid [[ by using test and changequote.
7358 * configure: Rebuild.
7360 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7362 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7364 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7365 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7366 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7367 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7368 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7369 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
7370 Fix mismatching modes in SET operands.
7371 (conditional move patterns): Fix formatting.
7372 (unnamed subx arch64 pattern): Remove duplicate insn.
7374 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7376 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7377 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
7378 (input_operand): Fixup test for what we accept for constant
7380 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
7382 (safe_constDI): Remove.
7383 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7384 gen_safe_XOR64): New functions.
7385 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
7386 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
7388 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
7389 available when HOST_BITS_PER_WIDE_INT is not 64.
7390 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
7391 move before movdi_insn_sp64 pattern.
7392 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
7393 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
7394 symbolic_operand as predicate for second operand.
7395 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
7396 expander): Give set VOIDmode.
7398 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
7400 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
7402 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
7404 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
7406 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
7408 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
7410 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
7412 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
7414 * install.texi: Various SCO OpenServer tweaks.
7416 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
7418 * reload1.c (eliminate_regs_in_insn): Handle another case when
7419 eliminating the frame pointer to the hard frame pointer. Add
7420 missing ep->to_rtx check to one existing case.
7422 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
7424 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7426 * tree.h: De-conditionalize init_priority code.
7428 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
7429 * collect2.c (NM_FLAGS): Change from -p to -n.
7431 * configure.in: Turn on collect2 for mipstx39-elf.
7432 Handle use_collect2=no properly.
7434 * c-common.c: De-conditionalize init_priority code.
7435 * collect2.c (extract_init_priority, sort_ids): New fns.
7436 (main): Call sort_ids.
7437 Move sequence_number to file scope.
7439 * configure.in: Handle --enable-init-priority.
7440 * c-common.c (attrs): Add A_INIT_PRIORITY.
7441 (init_attributes, decl_attributes): Likewise.
7442 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
7443 * tree.c (get_file_function_name_long): Split out...
7444 (get_file_function_name): ...from here.
7446 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
7448 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
7451 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
7453 * toplev.c (display_help): Add braces to shut up warnings.
7454 * tree.c (simple_cst_equal): Likewise.
7456 * fold-const.c (non_lvalue): Don't deal with null pointer
7458 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7460 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
7461 of any size to a pointer.
7463 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
7465 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
7467 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
7469 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
7470 which will be saved.
7471 * mn10300.md (prologue insn): Only save registers which need saving.
7472 (epilogue insn): Similarly.
7474 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
7477 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
7479 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
7480 VAR_DECL's in gp addressable sections.
7482 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
7484 * sparc.c: Change return <exp> to <exp>; return; in functions
7486 * sparc.md: Add empty semicolon statement after final label in
7489 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7491 * config/sparc/sparc.md (define_insn addx_extend): Rename to
7492 addx_extend_sp64, only allow when TARGET_ARCH64.
7493 (define_insn addx_extend_sp32 and split): Version that works when
7495 (define_insn subx_extend): Likewise.
7496 (define_split adddi3 and subdi3 with zero extension): Fixup and
7497 correct bugs when not TARGET_ARCH64.
7499 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
7501 * except.c (set_exception_lang_code, set_exception_version_code):
7502 Use prototype-style definition if __STDC__, to match declaration
7505 * genemit.c: Change FAIL and DONE macros not to use loops.
7507 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
7509 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
7510 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
7512 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
7514 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
7516 * README.g77: Update from Craig.
7518 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7520 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
7522 (safe_constDI sparc_emit_set_const64_quick1,
7523 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7524 analyze_64bit_constant, const64_is_2insns,
7525 create_simple_focus_bits): Fix some bugs when compiled on real
7527 (function_arg_record_value_3, function_arg_record_value_2,
7528 function_arg_record_value): Add fully prototyped forward decls.
7529 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
7530 to cmpsi_insn and use on both 64 and 32 bit targets.
7531 (define_insn cmpsi_insn_sp64): Remove.
7532 (define_expand zero_extendsidi2): Allow for 32-bit target too.
7533 (define_insn zero_extendsidi2_insn): Rename to
7534 zero_extendsidi2_insn_sp64.
7535 (define_insn zero_extendsidi2_insn_sp32): New pattern and
7536 assosciated forced split for it.
7538 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7540 * config/sparc/sparc.h: Declare them.
7541 (PREDICATE_CODES): Add them.
7542 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
7543 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
7545 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
7547 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
7548 in v9 case as the latter makes the Solaris assembler crash.
7550 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7552 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
7553 for TFmode when !v9. We require offsettable memory addresses.
7554 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
7555 DFmode register number conversions.
7556 * config/sparc/sparc.md (define_split DFmode moves): If register
7557 is a SUBREG do alter_subreg on it before using.
7558 (define_expand movtf): Fixup comment about alignment on v9.
7559 (define_split TFmode moves): Don't use gen_{high,low}part, create
7560 explicit SUBREGs instead.
7562 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
7564 * Makefile.in (mbchar.o): Depend on mbchar.c.
7566 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7567 Richard Henderson <rth@cygnus.com>
7569 Rewrite Sparc backend for better code generation and
7570 improved sparc64 support.
7571 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
7573 * config/sparc/sysv4.h: Likewise.
7574 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
7575 move_operand, v8plus_regcmp_op, emit_move_sequence,
7576 singlemove_string, doublemove_string, mem_aligned_8,
7577 output_move_double, output_move_quad, output_fp_move_double,
7578 move_quad_direction, output_fp_move_quad, output_scc_insn):
7580 (small_int_or_double): New predicate.
7581 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
7582 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
7583 old pic_{sethi,lo_sum}_si patterns.
7584 (mem_min_alignment): New generic function to replace
7585 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
7586 available and can test for arbitrary alignments. All callers
7588 (save_regs, restore_regs, build_big_number,
7589 output_function_prologue, output_cbranch, output_return,
7590 sparc_flat_save_restore, sparc_flat_output_function_prologue,
7591 sparc_flat_output_function_epilogue): Prettify
7593 (output_function_epilogue): Likewise and add code to output
7594 deferred case vectors.
7595 (output_v9branch): Likewise, add new arg INSN and use it to tack
7596 on branch prediction settings. All callers changed.
7597 (print_operand): Likewise and output %l44 for LO_SUMs when
7599 (sparc_splitdi_legitimate): New function to make sure DImode
7600 splits can be run properly when !arch64.
7601 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
7602 Reformat example code in comments.
7603 (set_extends): Remove UNSPEC/v8plus_clear_high case.
7604 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
7605 of deferred case vectors we need to output.
7606 (sparc_defer_case_vector): Record a case vector.
7607 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
7608 sparc_output_deferred_case_vectors): New functions to output them.
7609 (sparc_emit_set_const32): New function to form 32-bit constants in
7610 registers when that requires more than one instruction.
7611 (safe_constDI, sparc_emit_set_const64_quick1,
7612 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7613 analyze_64bit_constant, const64_is_2insns,
7614 create_simple_focus_bits, sparc_emit_set_const64): New functions
7615 which do the same for 64-bit constants when arch64.
7616 (sparc_emit_set_symbolic_const64): New function to emit address
7617 loading for all code models on v9.
7618 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
7619 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
7620 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
7621 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
7622 inaccuracies in comments, add symbolic and text_segment operands
7623 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
7624 GENERAL_REGS in these cases as a temp REG is needed to load these
7625 addresses into a register properly.
7626 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
7628 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
7629 quads are guarenteed to have 16-byte alignment.
7630 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
7631 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
7632 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
7633 deferred case vector implementation.
7634 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
7635 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
7636 Generate "internal label - label" instead of "label - 1b".
7637 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
7638 (PREDICATE_CODES): Remove sparc_operand, move_operand,
7639 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
7641 (doublemove_string, output_block_move, output_fp_move_double,
7642 output_fp_move_quad, output_move_double, output_move_quad,
7643 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
7644 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
7645 (sparc_emit_set_const32, sparc_emit_set_const64,
7646 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
7647 mem_min_alignment, small_int_or_double): Add externs.
7648 * config/sparc/sparc.md: Document the many uses of UNSPEC and
7649 UNSPEC_VOLATILE in this backend.
7650 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
7651 unary to types which execute in it.
7652 (define_function_unit ieu_shift): Rename to ieu0.
7653 (define_function_unit ieu1): New, executes compare, call, and
7654 uncond_branch type insns.
7655 (define_function_units for type fdivs, fdivd, fsqrt): These
7656 execute in the fpu multiply unit not the adder on UltraSparc.
7657 (define_expand cmpdi): Disallow TARGET_V8PLUS.
7658 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
7659 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
7660 allows the arith_double_operand predicate and rHI constraint when
7662 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
7663 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
7664 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
7665 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
7666 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
7667 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
7668 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
7669 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
7670 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
7671 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
7672 sign_extendqihi2_insn, sign_extendqisi2_insn,
7673 sign_extendqidi2_insn, sign_extendhidi2_insn,
7674 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
7675 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
7676 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
7677 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
7678 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
7679 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
7680 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
7681 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
7682 smulsi3_highpart_v8plus, unnamed subreg mult,
7683 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
7684 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
7685 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
7686 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
7687 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
7688 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
7689 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
7690 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
7691 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
7692 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
7693 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
7694 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
7695 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
7696 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
7697 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
7698 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
7699 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
7700 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
7701 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
7702 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
7703 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
7704 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
7705 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
7706 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
7707 call_address_untyped_struct_value_sp32,
7708 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
7709 call_value_symbolic_sp32, call_value_address_sp64,
7710 call_value_symbolic_sp64, branch_sp32, branch_sp64,
7711 flush_register_windows, goto_handler_and_restore,
7712 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
7713 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
7714 return_addsi, return_di, return_adddi, return_sf, all call+jump
7715 peepholes, trap, unnamed trap insns): Prettify output strings.
7716 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
7717 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
7718 Likewise and force + implement splits for integer cases.
7719 (define_insn return_sf_no_fpu): Likewise and allow to match when
7720 no-fpu because of our subreg SFmode splits.
7721 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
7722 zero_extendqidi2_insn, zero_extendhidi2_insn,
7723 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
7724 input_operand for second operand.
7725 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
7726 reg_or_0_operand for operand 2 so new splits can use it.
7727 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
7728 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
7730 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
7731 CONST_DOUBLEs for operand 2.
7732 (define_insn move_label_di): Likewise and label distance
7733 optimization because it no longer works with new deferred case
7734 vector scheme. To be revisited.
7735 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
7736 and allow reg_or_0_operand and J constraint for second operand.
7737 (define_insn jump): Set branch predict taken on V9.
7738 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
7739 new deferred case vector scheme.
7740 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
7741 (define_insn negdi2_sp32): Force + implement splits.
7742 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
7743 one_cmplsi2_not_liveg0 respectively, and create expander of original
7744 names which emit special rtl for TARGET_LIVE_G0.
7745 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
7746 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
7747 gen_compare_reg, FAIL instead.
7748 (define_insn sgtu, sleu): Likewise and check gen_s*() return
7749 values when trying to reverse condition codes, if they FAIL then
7751 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
7752 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
7753 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
7754 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
7755 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
7756 set output string to # to indicate they are mandatory splits.
7757 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
7758 pic_sethi_di, move_pic_label_si): Remove.
7759 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
7760 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
7762 (define_expand movsi_pic_label_ref, define_insn
7763 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
7764 expander and insns to handle PIC label references and deferred
7766 (define_insn get_pc_via_rdpc): Comment out as it is no longer
7768 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
7769 Rewrite to not use emit_move_sequence, make use of new constant
7770 formation code, and new splits for all multi-insn cases.
7771 (define_insn movqi_insn): Remove sethi case, it can never happen.
7772 Use reg_or_zero_operand instead of const0_rtx explicit test,
7773 use input_operand instead of move_operand for source, and use
7774 general_operand now for dest.
7775 (define_insn movhi_insn): Similar but leave sethi case.
7776 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
7777 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
7778 movhi_lo_sum respectively, prettify output string.
7779 (define_insn movsi_zero_liveg0): New pattern to put zero into a
7780 register when needed on TARGET_LIVE_G0.
7781 (define_insn movsi_insn): Use general_operand and input_operand
7782 for dest and src respectively. Simplify applicability test.
7783 Prettify output strings, and add clr alternative for J
7785 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
7786 deprecated std and reg-reg DI moves): Remove and...
7787 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
7788 implementation which uses forced splits for all non-single insn
7790 (define_split DI move cases on !arch64): New splits to handle all
7791 situations of 64-bit double register DImode on 32bit, and
7792 unaligned registers and memory addresses for all subtargets.
7793 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
7795 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
7796 input_operand for dest and src respectively, prettify output
7798 (define_insn movdf_insn, movdf_no_e_insn, store_df,
7799 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
7801 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
7802 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
7803 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
7804 movtf_no_e_insn_sp64) Replace with new
7805 implementation which uses forced splits for all non-single insn
7807 (define_split DF move cases): New splits in similar vein to DI
7809 (define_insn sethi_di_medlow, sethi_di_medium_pic,
7810 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
7811 movdi_sp64_insn): Remove old v9 code model and constant loading
7813 (define_insn pic_lo_sum_di, pic_sethi_di,
7814 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
7815 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
7816 embmedany_sethi, embmedany_losum, embmedany_brsum,
7817 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
7818 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
7819 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
7820 scheme, using unspecs, secondary reloads, and one to one sparc
7821 insn to rtl insn mapping for better scheduling and code gen.
7822 (define_expand reload_indi, reload_outdi): Reload helpers for
7823 MEDANY and EMBMEDANY symbol address loading cases which require a
7825 (define_expand movsicc): Remove v8plus_regcmp cases.
7826 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
7827 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
7828 cmp_diqi_trunc_set): New patterns used by some of the new scc
7830 (define_insn xordi3_sp64_dbl): New pattern used for constant
7831 formation when crossing from 32-bit targets.
7832 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
7834 (define_insn addx, subx): Make visible and prettify.
7835 (define_insn adddi3_insn_sp32): Likewise and force split.
7836 (define_insn addx_extend, subx_extend, unnamed): New patterns for
7837 64bit scc split usage.
7838 (define_insn unnamed plusDI zero_extend, unnamed minusDI
7839 zero_extend, subdi3): Force and implement splits.
7841 * final.c (final_scan_insn): Don't output labels if target
7842 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
7845 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
7846 don't forget to walk inside SEQUENCESs too as these are what the
7847 delay slot scheduler will create.
7849 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
7851 * alpha.md (extxl+1,+2): New patterns to work around
7854 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
7856 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
7857 caused bad assembly code to be generated.
7859 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
7861 * netbsd.h: Fix typo.
7863 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
7865 * config.sub: Fix typo.
7867 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
7869 * invoke.texi (Environment Variables): Typo: Change "ascpects"
7871 (Running Protoize): Typo: Change "ther" into "other".
7873 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
7875 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
7876 * m68k/netbsd.h: Likewise.
7877 * ns32k/netbsd.h: Likewise.
7878 * sparc/netbsd.h: Likewise.
7880 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
7882 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
7883 * ginclude/va-clipper.h (va_list): Likewise.
7885 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
7887 * rs6000.c (rs6000_override_options): If big endian and -Os, use
7888 load/store multiple instructions unless user overrides.
7890 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
7892 * ns32k/netbsd.h: Fix typo.
7894 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
7896 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
7897 labels with .debugsym if no parallel insns.
7899 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
7901 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
7902 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
7904 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
7906 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
7907 (AR_FOR_TARGET): Define.
7909 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
7911 * dyn-string.h: New file.
7912 * dyn-string.c: Likewise.
7913 * Makefile.in (OBJS): Add dyn-string.o.
7914 (dwarf2out.o): Add dyn-string.h dependency.
7915 (dyn-string.o): List dependencies.
7916 * dwarf2out.c: Include dyn-string.h.
7917 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
7918 (addr_const_to_string): Take a dyn_string_t, not a char* as a
7919 prototype. Use dyn_string_append rather than strcat, throughout.
7920 (addr_to_string): Use dyn_string_t.
7922 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
7924 Function entry/exit profiling instrumentation:
7925 * expr.h (profile_function_entry_libfunc,
7926 profile_function_exit_libfunc): Declare new variables.
7927 * optabs.c: Define them here.
7928 (init_optabs): Initialize them.
7929 * tree.h (struct tree_decl): New flag
7930 no_instrument_function_entry_exit.
7931 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
7932 * c-decl.c (duplicate_decls): Merge it.
7933 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
7934 (init_attributes): Use it for "no_instrument_function".
7935 (decl_attributes): Handle it, for functions that have not yet been
7936 compiled. Set decl flag.
7937 * flags.h (flag_instrument_function_entry_exit): Declare new
7939 * toplev.c (flag_instrument_function_entry_exit): Define it here.
7940 (f_options): New option "instrument-functions".
7941 * function.h (struct function): New field instrument_entry_exit.
7942 * function.c (current_function_instrument_entry_exit): New
7944 (push_function_context_to, pop_function_context_from): Save and
7946 (expand_function_start): Set current_ variable, maybe emit return
7947 label and entry profile call.
7948 (expand_function_end): Maybe emit exit profile call.
7950 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
7952 * i386.md (movqi): When optimizing a load of (const_int 1) into a
7953 NON_QI_REG_P, pretend the register is SImode.
7955 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
7957 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
7958 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
7959 manufacturer id for ns32k.
7960 * configure: Regenerated.
7961 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
7962 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
7963 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
7964 * config/m68k/netbsd.h: Same.
7965 * config/ns32k/netbsd.h: Same.
7966 * config/sparc/netbsd.h: Same.
7968 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
7970 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
7971 or UNROLL_COMPLETELY loop that starts with a jump to its
7974 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
7976 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
7977 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
7978 (print_operand, case 'B'): Don't fall through.
7979 (print_operand, case 'S'): Correct mask begin/end computation.
7980 Use HOST_BITS_PER_WIDE_INT.
7981 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
7982 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
7983 * rs6000/aix41.h (CPP_PREDEFINES): Same.
7984 * rs6000/aix43.h (CPP_PREDEFINES): Same.
7986 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
7988 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
7989 constraint from second alternative.
7991 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
7993 * configure.in: Fix --without/--disable cases for local-prefix,
7994 gxx-include-dir and checking.
7996 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7998 * configure.in (enable_haifa): Set by default for sparc64 too.
8001 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8003 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
8004 * i386/winnt.c (associated_type): New fn.
8005 (i386_pe_valid_type_attribute_p): New fn.
8006 (i386_pe_check_vtable_importexport): Remove.
8007 (i386_pe_dllexport_p): Use associated_type.
8008 (i386_pe_dllimport_p): Likewise.
8010 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
8011 * i386.c (i386_valid_type_attribute_p): Also accept
8012 attributes for METHOD_TYPEs.
8014 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
8016 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
8018 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
8020 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
8022 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
8023 them from generating a new base name for each occurence of
8026 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
8028 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
8030 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
8034 * cplus-dem.c (type_kind_t): New type.
8035 (demangle_template_value_parm): Add type_kind_t parameter. Rely
8036 on this paramter, rather than demangling the type again.
8037 (demangle_integral_value): Pass tk_integral.
8038 (demangle_template_: Pass the value returned from do_type.
8039 (do_type): Return a type_kind_t. Pass tk_integral to
8040 demangle_template_value_parm for array bounds.
8041 (demangle_fund_type): Likewise.
8043 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
8045 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
8048 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
8050 * pa.c (move_operand): Accept CONSTANT_P_RTX.
8052 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
8054 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
8056 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
8059 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
8061 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
8062 (DEBUGGER_ARG_OFFSET): Likewise.
8064 * mn10300.md (movsf): Remove last change. Not needed.
8066 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
8068 * c-lex.c (yylex): Fix boundary conditions in character literal and
8069 string literal loops.
8071 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
8073 * longlong.h (count_leading_zeros): Sparclite scan instruction was
8074 being invoked incorrectly.
8076 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
8077 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
8079 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
8080 * configure.in: Added i[34567]86-*-win32
8081 * config.sub: Ditto.
8082 * configure: Rebuilt.
8084 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
8086 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
8087 the frame pointer and compiling PIC code and reload has not completed.
8089 * i386.c (output_to_reg): Add code to emulate non-popping DImode
8092 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
8094 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
8096 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8098 * Makefile.in (install-info): Only try to update the info
8099 directory file if it exists in the first place.
8101 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
8103 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
8105 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
8107 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
8108 CONST_DOUBLE source.
8110 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
8112 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
8113 strings as the insertion of USER_LABEL_PREFIX.
8114 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
8116 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
8119 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
8121 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
8122 already defined type.
8124 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
8126 * expr.c (check_max_integer_computation_mode): Allow conversions
8127 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
8128 (expand_expr): Likewise.
8130 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8132 * expr.c (expand_expr): Expand RETURN_EXPR.
8134 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
8136 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
8138 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
8140 * dwarf2out.c (output_aranges): Call stripattributes
8141 for TEXT_SECTION references.
8142 (output_line_info): Likewise.
8144 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8146 * profile.c (branch_prob): Call allocate_reg_info after outputting
8147 profile rtl in instrument_arcs.
8149 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
8151 * fixinc.irix (math.h): Install wrapper instead of copying.
8153 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8155 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
8156 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
8157 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
8158 lang_flag_0. Added documentation in the flag table.
8160 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
8162 * cccp.c (do_include): Fix vax c style include handling.
8164 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8166 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
8168 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
8170 * fold-const.c (non_lvalue): Don't deal with null pointer
8172 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8174 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
8176 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
8177 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
8178 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
8179 (u_short_cint_operand): Same.
8180 (reg_or_cint_operand): Same.
8181 (logical_operand): Same.
8182 (input_operand): Same.
8183 (reg_or_short_operand): Use u_short_cint_operand.
8185 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
8187 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
8188 but keep the insns and splits. Adjust so when the ultimate destination
8189 is memory, use cvtql.
8191 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
8193 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
8195 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
8197 * gcc.c (do_spec): Call "error" not "warning".
8199 * configure.in: Fix minor problems with gas feature detection code.
8200 * configure: Rebuilt.
8202 * gcc.c (do_spec): Issue a warning for '%[]' usage.
8205 * gcc.c: Delete %[spec] support.
8206 (do_spec_1, case '('): Likewise.
8207 (do_spec_1, case '['): Call error.
8209 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
8211 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
8212 (CPP_SUBTARGET_SPEC): Default to empty string.
8213 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
8214 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
8215 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
8216 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
8218 * alpha/linux.h (CPP_PREDEFINES): Tidy.
8219 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
8220 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
8221 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
8222 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
8223 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
8224 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
8225 * alpha/vxworks.h: Likewise.
8227 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
8229 * mips.md (reload_outsi): Added missing REGNO call.
8230 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
8232 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
8233 another match_operator and compare the codes.
8235 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
8237 * MIPS multiply pattern fixes:
8238 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8239 Add union classes for HI, LO, or HILO plus general registers.
8240 (GENERATE_MADD): Deleted.
8241 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
8242 Add TARGET_MAD to condition.
8243 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
8244 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
8245 "*d" for accumulator, to give preference to LO initially but not
8248 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
8250 * configure.in (enable_c_mbchar): New configure option.
8251 (extra_cpp_objs): Always available now.
8253 * cexp.y (mbchar.h): #include it.
8254 (yylex): Handle Multibyte characters in character literals.
8256 * cccp.c (mbchar.h): #include it.
8257 (main): Set character set based on LANG environment variable.
8258 (rescan): Handle multibyte characters in comments.
8259 (skip_if_group): See above.
8260 (validate_else): See above.
8261 (skip_to_end_of_comment): See above.
8262 (macarg1): See above.
8263 (discard_comments): See above.
8264 (rescan): Handle multibyte characters in string and character literals.
8265 (collect_expansion): See above.
8266 (skip_quoted_string): See above.
8267 (macroexpand): See above.
8268 (macarg1): See above.
8269 (discard_comments): See above.
8270 (change_newlines): See above.
8272 * c-lex.c (mbchar.h): #include it.
8273 (GET_ENVIRONMENT): New macro.
8274 (init_lex): Set character set based on LANG environment variable.
8275 (yylex): Handle multibyte characters in character literals.
8276 (yylex): Handle multibyte characters in string literals.
8278 * Makefile.in (mbchar.o): New target.
8279 (cccp$(exeext)): @extra_cpp_objs@ is always available.
8280 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
8282 * mbchar.[ch]: New files for multibyte character handling.
8284 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8286 * jump.c (jump_optimize): When simplifying noop moves and
8287 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
8288 the PUSHes to rewrite in second loop as we did in the first.
8290 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8292 * cplus-dem.c (demangle_nested_args): Make function definition
8293 static to match the prototype.
8295 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
8297 * alloca.c: Respect USE_C_ALLOCA.
8298 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
8299 * gengenrtl.c (xmalloc): Likewise.
8301 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
8303 * loop.h (struct induction): Add no_const_addval.
8304 * loop.c (the_movables, reg_address_cost): New variables.
8305 (init_loop): Init reg_address_cost.
8306 (loop_optimize): Call end_alias_analysis.
8307 (scan_loop): Init the_movables.
8308 (record_giv): Init induction->no_const_addval.
8309 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
8310 [REG]: Rearrange loop search test to catch more cases.
8311 (general_induction_var): Return success not benefit; take an extra
8312 argument for that. Change all callers.
8313 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
8314 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
8315 [default]: Search the_movables for additional combinations.
8316 (sge_plus_constant, sge_plus): New functions.
8317 (express_from_1): New function.
8318 (express_from): Always define. Rewrite using express_from_1.
8319 (combine_givs_p): Handle more cases. Ignore address cost.
8320 (cmp_combine_givs_stats): New function.
8321 (combine_givs_used_once, combine_givs_benefit_from): New functions.
8322 (combine_givs): Rewrite to do best-fit combination.
8324 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
8325 (fold): Do a complete (A*C)+(B*C) association check.
8327 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
8329 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
8331 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
8333 * mn10300.c (MODES_TIEABLE_P): Fix typo.
8335 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
8337 * tree.c (valid_machine_attribute): Only create a new type variant if
8338 there is a decl to use it.
8340 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
8342 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
8345 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
8347 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
8350 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
8352 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
8353 Simplify tests for clearing an address register.
8354 (expand_prologue): Corresponding changes.
8356 * mn10300.md (movXX patterns): Make sure the destination is an
8357 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
8358 (logical patterns): Split into expanders + patterns
8359 (zero and sign extension patterns): Similarly.
8360 (shift patterns): Similarly.
8362 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8364 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8365 for the sequence, recording base values.
8367 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8369 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
8371 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
8373 * gcc.c: Remove ANSI-C ism from --help code.
8375 * toplev.c: Support --help with USE_CPPLIB.
8377 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
8379 * configure.in: Rework gas feature code to work with symlink based
8382 * extend.texi: Clarify some issues related to local variables
8383 assigned to explicit registers.
8385 * mn10300.md (mulsi): Turn into expander + pattern.
8387 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
8390 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
8392 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
8394 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
8396 * version.c: Bump again to distinguish mainline tree from the
8399 See ChangeLog.0 for earlier changes.
8402 add-log-time-format: current-time-string