1 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
3 * version.c: Bump for snapshot.
5 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
7 * gengenrtl.c (gencode): Always use bzero to clear memory instead
8 of dangerous casts and stores.
10 * Makefile.in (compare, gnucompare): Add missing else true clauses.
12 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
14 * alpha.md (builtin_longjmp): Add missing "DONE".
16 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
18 * gcc.c (execute): Enable -pipe with win32.
20 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
22 * config/arm/t-arm-elf: Add multiplib option for leading
25 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
26 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
28 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
29 than variable 'reload_address_base_reg_class'. [Note this
30 change is unrelated to the others in this patch].
32 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
35 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
37 * alias.c (record_alias_subset): Remove ignored `&'.
38 (init_alias_once): Likewise.
40 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
42 * config/mips/mips.c (mips_asm_file_end): Cast the result of
43 fwrite to `int' when comparing against one.
45 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
46 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
48 * cse.c (rehash_using_reg): Change type of variable `i' to
51 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
54 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
56 * final.c (final_scan_insn): Likewise for variable `i'.
57 (output_asm_insn): Cast a char to unsigned char when used as an
60 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
63 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
65 * recog.c (preprocess_constraints): Cast a char to unsigned char
66 when used as an array index.
68 * regmove.c (find_matches): Likewise.
70 * reload1.c (calculate_needs): Add default case in switch.
71 (eliminate_regs_in_insn): Initialize variable `offset'.
72 (set_offsets_for_label): Change type of variable `i' to unsigned.
73 (reload_as_needed): Wrap variable `i' in macro check on
74 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
76 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
77 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
78 when comparing against one.
80 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
81 unsigned when comparing against one. Likewise for
83 (layout_record): Cast record_align to int when comparing against a
85 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
88 * tree.c (get_identifier): Cast variable `len' to unsigned when
89 comparing against one.
90 (maybe_get_identifier): Likewise
92 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
94 * toplev.c (rest_of_compilation): Do not set reload_completed.
95 * reload1.c (reload): Set reload_completed before calling
96 cleanup_subreg_operands.
98 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
100 * reload1.c (emit_reload_insns): Check `set' not null before use.
102 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
104 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
107 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
109 * halfpic.c (half_pic_encode): Delete redundant code.
111 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
113 * toplev.c (main): Delete handling of -dM as a preprocessor
116 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
118 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
119 -dI, which are handled by the preprocessor.
121 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
123 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
124 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
126 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
128 * version.c: Bump for snapshot.
130 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
132 * version.c: Bump for snapshot.
134 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
136 * version.c: Bump for snapshot.
138 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
140 * genattr.c (fatal): Qualify a char* with the `const' keyword.
142 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
143 write_unit_name, write_eligible_delay, expand_units,
144 make_length_attrs, write_attr_case, find_attr,
145 make_internal_attr): Likewise.
146 * gencheck.c (tree_codes): Likewise.
147 * gencodes.c (fatal): Likewise.
148 * genconfig.c (fatal): Likewise.
149 * genemit.c (fatal): Likewise.
150 * genextract.c (fatal, walk_rtx, copystr): Likewise.
151 * genflags.c (fatal): Likewise.
152 * genopinit.c (fatal, optabs, gen_insn): Likewise.
153 * genoutput.c (fatal, error, predicates): Likewise.
154 * genpeep.c (fatal): Likewise.
155 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
156 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
158 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
160 * configure.in (with-fast-fixincludes): Fix whitespace.
161 * configure: Rebuilt.
163 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
164 asm() etc. function declarations in __DECC.
166 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
168 * expr.c (emit_move_insn_1): Only emit a clobber if the target
169 is a pseudo register.
171 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
173 * gcse.c: Include expr.h in order to get the prototype for
174 get_condition() which is used in delete_null_pointer_checks().
176 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
178 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
180 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
182 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
183 (ALL_CFLAGS): Delete SCHED_CFLAGS.
185 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
187 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
190 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
192 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
193 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
194 optimizations from the combiner.
196 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
198 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
200 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
202 * toplev.c (main): Disable optimize_size if a specific
203 optimization level is requested. Always set optimization
204 level to 2 if -Os is specified.
206 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
208 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
210 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
211 initialize it using fname.
213 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
215 * cpplib.c (do_include): Treat #include_next in the
216 primary source file as #include plus warning. Treat
217 #include_next in a file included by absolute path as an
218 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
220 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
222 * cccp.c: Don't define MIN/MAX anymore.
223 * cpplib.c: Likewise.
224 * machmode.h: Likewise.
225 * system.h: Provide definitions for MIN/MAX.
227 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
229 * fix-header.c: Don't define xstrdup here.
231 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
233 * loop.c (consec_sets_giv): New argument last_consec_insn.
234 (strength_reduce): Provide / use it.
236 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
238 * loop.h (loop_info): New field 'vtop'.
239 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
240 scanning loop for vtop.
241 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
242 (loop_iterations): Use them to determine if loop has a constant
243 number of iterations. Set loop_info->vtop. Don't subtract
244 common reg term from initial_value and final_value if have a
247 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
249 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
251 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
253 * mn10200.md (abssf2, negsf2): New expanders.
255 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
257 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
259 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
260 replaced by a CONCAT whoes components do not have the same
261 mode as the original SUBREG, use a new SUBREG to restore the
264 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
265 multiword complex values.
267 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
269 * cppalloc.c: Add xstrdup here.
270 * cpplib.h: Remove savestring prototype.
271 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
273 * cppfiles.c: s/savestring/xstrdup/ throughout.
275 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
277 * cpplib.c: Make all directive handlers read their own
279 (struct directive): Remove last two arguments from FUNC
280 member prototype. Remove `command_reads_line' member
282 (directive_table): Remove initializations of
283 command_reads_line flag. Pretty-print.
284 (eval_if_expression, do_define, do_line, do_include,
285 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
286 do_else, do_elif, do_sccs, do_assert, do_unassert,
287 do_warning): Take only two args.
289 (cpp_define): Call do_define with two args and the text to
290 define stuffed into a buffer.
291 (make_assertion): Call do_assert with two args.
292 (handle_directive): Call do_line with two args. Call
293 kt->func with two args. Remove command_reads_line
295 (do_define, do_undef, do_error, do_warning, do_pragma,
296 do_sccs): Read the rest of the line here.
297 (do_ident): Gobble rest of line, as cccp does.
298 (cpp_undef): New function.
299 (cpp_start_read): Call cpp_undef instead of do_undef.
301 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
303 * cpphash.h (union hash_value): Remove `keydef' member, add a
304 `struct hashnode *aschain' member for #assert.
306 * cpplib.c (struct tokenlist_list, struct
307 assertion_hashnode): Delete structure definitions.
308 (assertion_install, assertion_lookup, delete_assertion,
309 check_assertion, compare_token_lists, reverse_token_list,
310 read_token_list, free_token_list): Delete functions.
311 (parse_assertion): New function.
312 (cpp_cleanup): Don't destroy the assertion_hashtable.
314 (do_assert): Gut and rewrite. #assert foo (bar) places
315 entries for `#foo' and `#foo(bar)' in the macro hash table,
316 type T_ASSERT. The value union's `aschain' member is used
317 to chain all answers for a given predicate together.
318 (do_unassert): Also rewritten. Take an un-asserted
319 answer off the chain from its predicate and call
320 delete_macro on the hashnode, or walk a predicate chain
321 calling delete_macro on all the entries.
322 (cpp_read_check_assertion): Simply call parse_assertion to
323 get the canonical assertion name, and look that up in the
326 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
329 * cpphash.c (install): Use bcopy instead of an explicit loop
330 to copy the macro name.
332 * cppexp.c (cpp_lex): Convert the result of
333 cpp_read_check_assertion to a `struct operation' directly;
334 don't go through parse_number.
336 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
338 * loop.h (struct induction): Delete times_used member.
339 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
340 (n_times_used): Rename to n_times_set. Changed all users.
341 (scan_loop): Free reg_single_usage before strength reduction.
342 (record_giv, combine_givs): Remove handling of times_used member.
343 (combine_givs_used_once): Rename to:
344 (combine_givs_used_by_other) . Changed all callers.
346 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
348 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
349 instead of TREE_CODE_CLASS == 't'.
350 (gen_type_die): Likewise.
351 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
353 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
355 * real.c (endian): Disable last change unless
356 HOST_BITS_PER_WIDE_INT is greater than 32.
358 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
360 * output.h (force_data_section): New prototype.
361 * varasm.c (force_data_section): New function to force the
362 data section, regardless of what in_section thinks.
363 * dwarf2out.c (output_call_frame_info): Call force_data_section
364 since varasm may not realize we've changes sections.
366 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
368 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
369 after completeing reload.
371 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
372 deleted after reload.
374 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
376 * rtl.h (multiple_sets): Fix prototype.
377 * rtlanal.c (multiple_sets): Fix return type.
379 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
381 * version.c: Bump for snapshot.
383 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
385 * version.c: Bump for snapshot.
387 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
389 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
391 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
393 * rtl.h (recompute_reg_usage): Add second argument.
394 * flow.c (recompute_reg_usage): Likewise.
395 * toplev.c (rest_of_compilation): Supply second argument to
398 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
401 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
403 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
404 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
405 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
408 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
410 * rtlanal.c (multiple_sets): New function.
411 * rtl.h (multiple_sets): Declare it.
412 * local-alloc.c (wipe_dead_reg): Use it.
413 * global.c (global_conflicts): Likewise.
415 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
417 * global.c (record_conflicts): Don't use an array of shorts to
418 store an array of ints.
419 (global_conflicts): Likewise.
421 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
423 * alpha.c (alpha_expand_block_move): mode_for_size expects
424 bits, not bytes. Infer extra alignment from addressof.
426 1998-12-11 Michael Meissner <meissner@cygnus.com>
428 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
429 .sbss section, not .sdata.
431 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
433 * cccp.c: Do not #include <sys/stat.h> here; this is already done
435 * collect2.c: Likewise.
436 * cpplib.h: Likewise.
439 * getpwd.c: Likewise.
440 * protoize.c: Likewise.
441 * toplev.c: Likewise.
443 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
444 and don't try to define it here.
445 * Makefile.in (cppmain.o): Depend on machmode.h.
446 (cpplib.o): Likewise.
447 (cpperror.o): Likewise.
448 (cppexp.o): Likewise.
449 (cppfiles.o): Likewise.
450 (cpphash.o): Likewise.
451 (cppalloc.o): Likewise.
452 (fix-header.o): Likewise.
453 (scan-decls.o): Likewise.
455 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
457 * sh.c (print_operand): lookup interrupt_handler attribute instead
458 of relying on static variable.
459 * (calc_live_regs): Likewise.
460 * (sh_pragma_insert_attributes): Create interrupt_handler
461 attribute if a pragma was specified
462 * (sh_valid_machine_decl_attribute): Don't set static flag.
463 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
465 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
467 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
468 to determine if a register is live at a jump destination.
469 Everything is dead at a BARRIER.
471 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
473 * cse.c (simplify_unary_operation): Sign-extend constants when
474 they have the most significant bit set for the target.
475 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
477 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
478 HOST_WIDE_INT temporary before negating it.
479 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
481 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
483 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
486 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
488 * collect2.h: New header file for prototypes.
490 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
492 * collect2.c: Include collect2.h.
495 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
497 * flow.c: Update some comments.
499 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
501 * objc/objc-act.c (cpp_initialized): Removed.
502 (lang_init_options): Initialize cpplib.
503 (lang_decode_option): Move initialization of cpplib to
505 * c-lang.c: (parse_options,parse_in): Added.
506 (lang_init_options): Initialized cpplib here.
507 * c-decl.c (parse_options,cpp_initialized): Removed.
508 (c_decode_option): Move initialization of cpplib to
511 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
513 * reload1.c (reload_combine, reload_combine_note_store):
514 Make STORE_RUID always valid.
515 (reload_combine): Check if BASE is clobbered too early.
517 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
519 * reload.c (find_reloads): Display the insn that cannot be
522 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
524 * cccp.c (create_definition): Fix end of bufer logic.
526 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
528 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
529 pointer parameters changed to use the PARAMS() macro.
531 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
533 * except.h (struct handler_info): Add handler_number field.
534 * except.c (gen_exception_label): EH labels no longer need to be
535 on the permanent obstack.
536 (get_new_handler): Set the label number field.
537 (output_exception_table_entry): Regenerate handler label reference
538 from the label number field.
539 (init_eh): Remove a blank line.
540 * integrate.c (get_label_from_map): Labels no longer need to be
541 on the permanent obstack.
543 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
545 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
546 only when OUTER_CODE is SET.
548 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
550 * loop.c (strength_reduce): If scan_start points to the loop exit
551 test, be wary of subversive use of gotos inside expression statements.
552 Don't set maybe_multiple for a backward jump that does not
553 include the label under consideration into its range.
554 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
556 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
558 * explow.c (plus_constant_wide): Don't immediately return with
559 result of recursive call.
561 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
563 * eh-common.h (struct eh_context): Add table_index for rethrows.
565 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
566 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
567 processed when inlined or unrolled (ie duplicated in some way).
569 * rtl.c (reg_note_name): Add strings for new reg_note enums.
571 * expr.h (rethrow_libfunc): New library decl.
573 * optabs.c (rethrow_libfunc): Initialize.
575 * except.h (struct eh_entry): Add new field 'rethrow_label'.
576 (new_eh_region_entry): No longer exported from except.c.
577 (duplicate_handlers): Renamed to duplicate_eh_handlers and
579 (rethrow_symbol_map, rethrow_used): New exported functions.
580 (eh_region_from_symbol): New exported function.
582 * except.c (create_rethrow_ref): New function to create a single
583 SYMBOL_REF for a rethrow region.
584 (push_eh_entry): Initialize a rethrow ref.
585 (func_eh_entry): Add a rethrow_label field.
586 (new_eh_region_entry): Make static, and initialize the rethrow entry.
587 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
588 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
589 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
590 a region into an appropriate new symbol.
591 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
592 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
593 (end_catch_handler): Emit a barrier for new-exceptions since
594 control can never drop through the end of a catch block.
595 (expand_end_all_catch): new-exceptions never fall through a catch
597 (expand_rethrow): use __rethrow routine for new exceptions.
598 (output_exception_table_entry): Generate rethrow labels, if needed.
599 (output_exception_table): Generate start and end rethrow labels.
600 (init_eh): Create rethrow symbols for beginning and end of table.
601 (scan_region): Don't eliminate EH regions which are the targets of
604 * flow.c (make_edges): Add different edges for rethrow calls,
605 identified by having the REG_EH_RETHROW reg label.
606 (delete_unreachable_blocks): Don't delete regions markers which are
607 the target of a rethrow.
609 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
610 allow save_for_inline_copying to call duplicate_eh_handlers.
611 (save_for_inline_copying): Call duplicate_eh_handlers instead of
612 exposing internal details of exception regions.
613 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
614 (expand_inline_function_eh_labelmap): New callback routine to
615 allow expand_inline_function to call duplicate_eh_handlers.
616 (expand_inline_function): Call duplicate_eh_handlers instead of
617 exposing internal details of exception regions.
618 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
621 * libgcc2.c (find_exception_handler): Generalize to enable it to
622 pick up processing where it left off last time for a rethrow.
623 (__unwinding_cleanup): New function. debug hook which is called before
624 unwinding when __throw finds there is nothing but cleanups left.
625 (throw_helper): Common parts of __throw extracted out for reuse.
626 (__throw): Common parts moved to throw_helper.
627 (__rethrow): New function for performing rethrows.
629 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
631 * reload1.c (current_function_decl): Tweak declaration.
633 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
635 * c-decl.c (flag_isoc9x): Default off.
636 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
637 * cccp.c (print_help, main): Likewise.
638 * gcc.c (default_compilers): Update for -std=gnu*.
640 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
642 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
643 * demangle.h: Deleted.
645 * reload1.c (current_function_decl): Declare.
647 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
649 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
651 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
653 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
655 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
657 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
659 * configure: Rebuilt.
660 * system.h: If the *_unlocked functions are available use them
661 instead of the locked counterparts by defining macros.
662 * config.in: Regenerated.
664 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
666 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
667 wrong and should only be used for dump related things, not
668 debugging information, instead main_input_filename should be used.
669 Also, reuse output_file_directive if possible.
670 * i386/aix386ng.h (ASM_FILE_START): Likewise.
671 * i386/isc.h (ASM_FILE_START): Likewise.
672 * i386/win-nt.h (ASM_FILE_START): Likewise.
673 * i386/sun386.h (ASM_FILE_START): Likewise.
675 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
677 * configure.in (mips*-*-linux*): Handle big and little endian
679 * configure: Rebuilt.
681 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
683 * emit-rtl.c: Fix typo.
685 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
687 * reload1.c (eliminate_regs): Don't do anything, if we're not
690 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
692 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
694 * mips/mips.c (mips_select_section): Add comment.
696 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
698 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
699 characters in file names in #line to be consistent with #include
700 handling. We support escape prcessing in the # 1 "..." version of
701 the command. See also support in cp/lex.c.
702 (handle_directive): Likewise.
705 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
707 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
708 so it'll work on non-ASCII platforms. Always consider $ an
709 identifier character. Take no arguments.
710 (cpp_reader_init): Call initialize_char_syntax with no
712 (cpp_start_read): Don't call initialize_char_syntax again.
713 Clear is_idchar['$'] and is_idstart['$'] if not
714 opts->dollars_in_ident.
716 * cpplib.h (struct cpp_reader): Replace void *data element by
717 cpp_options *opts. Rearrange elements to make gdb printout
718 less annoying (put buffer stack at end).
719 (CPP_OPTIONS): Get rid of now-unnecessary cast.
721 * cppmain.c: s/data/opts/ when initializing cpp_reader
723 * c-decl.c: Likewise.
724 * objc/objc-act.c: Likewise.
725 * fix-header.c: Likewise.
727 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
729 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
730 with a struct file_name_list pointer.
731 (struct cpp_reader): Add pointer to chain of `actual
732 directory' include searchpath entries.
733 (struct file_name_list): Add *alloc pointer for the sake of
734 the actual-directory chain.
736 Move definition of HOST_WIDE_INT here.
737 (cpp_parse_escape): Change prototype to match changes in
740 * cppfiles.c (actual_directory): New function.
741 (finclude): Use it to initialize the buffer's actual_dir
743 (find_include_file): We don't need to fix up max_include_len
746 * cpplib.c (do_include): Don't allocate a file_name_list on
747 the fly for current directory "" includes, use the one that's
748 been preallocated in pfile->buffer->actual_dir. Hoist out
749 duplicate code from the search_start selection logic.
750 (cpp_reader_init): Initialize pfile->actual_dirs.
752 Remove definition of HOST_WIDE_INT. Change calls
753 to cpp_parse_escape to match changes in cppexp.c (note
754 hardcoded MASK, which is safe since this is the source
757 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
758 to handle wide character constants in #if directives. The
759 function now returns a HOST_WIDE_INT, and takes a third
760 argument which is a binary mask for all legal values (0x00ff
761 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
762 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
763 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
765 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
767 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
769 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
771 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
772 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
773 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
775 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
777 * final.c (output_asm_name): Use tabs to seperate comments from
780 Include instruction lengths (if defined) in output.
782 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
784 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
785 in the loop_info structure.
787 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
789 * configure.in: (arm*-*-ecos-elf): New target.
790 * configure: Regenerated.
791 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
792 * config/arm/ecos-elf.h: New file.
793 * config/arm/unknown-elf.h (TARGET_VERSION): Check
796 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
798 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
800 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
802 * version.c: Bump for snapshot.
804 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
806 * loop.c (check_dbra_loop): New argument loop_info. Update fields
809 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
811 * version.c: Bump for snapshot.
813 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
815 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
816 compressed reports are ok and preferred over URLs
818 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
820 * invoke.texi (Warning Options): Soften the tone of -pedantic
822 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
824 * print-rtl.c (print_rtx): Add prototype.
826 * unroll.c (iteration_info): Make it static.
828 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
830 * alias.c (memrefs_conflict_p): A second ANDed address
831 disables the aligned address optimization.
833 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
835 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
838 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
840 * i960.h (BOOL_TYPE_SIZE): Define.
842 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
844 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
845 from old valid_parallel_operands_4.
846 (valid_parallel_operands_4): Check that operands for 4 operand
847 parallel insns are valid, excluding load/store insns.
848 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
849 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
850 valid_parallel_load_store instead of valid_parallel_operands_4.
851 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
852 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
853 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
854 *notqi_movqi_clobber): Use valid_parallel_operands_4.
855 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
856 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
857 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
859 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
861 * config/c4x/c4x.c (iteration_info): Delete extern.
863 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
865 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
867 * final.c (cleanup_subreg_operands): Delete some unused code.
869 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
870 (struct insn_alternative): New structure definition.
871 (recog_op_alt): Declare variable.
872 (preprocess_constraints): Declare function.
873 * recog.c (recog_op_alt): New variable.
874 (extract_insn): Verify number of alternatives is in range.
875 (preprocess_constraints): New function.
876 * reg-stack.c: Include recog.h.
877 (constrain_asm_operands): Delete.
878 (get_asm_operand_lengths): Delete.
879 (get_asm_operand_n_inputs): New function.
880 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
881 N_OUTPUTS args. All callers changed.
882 Compute number of inputs and outputs here by calling
883 get_asm_operand_n_inputs.
884 Instead of constrain_asm_operands, call extract_insn,
885 constrain_operands and preprocess_constaints. Use information
886 computed by these functions throughout.
887 (record_reg_life): Delete code that is unused due to changes in
889 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
890 N_INPUTS and N_OUTPUTS args. All callers changed.
891 Similar changes as in record_asm_reg_life.
892 (subst_stack_regs): Move n_operands declaration into the if statement
894 Delete code that is unused due to changes in subst_asm_stack_regs.
895 * stmt.c (expand_asm_operands): Verify number of alternatives is in
897 * Makefile.in (reg-stack.o): Depend on recog.h.
899 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
901 * except.c (set_exception_version_code): Argument is an "int".
903 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
905 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
906 * configure: Rebuilt.
908 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
910 * configure.in (mipsel-*-linux*): New target.
911 * mips/linux.h: New file, based on other Linux targets.
913 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
915 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
916 runs in the context of the deleter, not the deletee, so we must
917 use taskVarGet to find the correct memory to free.
918 (__gthread_key_create): Initialize the task
919 variable subsystem so that the task variable is still active when
920 the delete hook is run.
922 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
924 * pdp11.h: Use optimize_size for space optimizations.
926 * pdp11.md: Likewise.
928 * pdp11.h (TARGET_40_PLUS): Fix typo.
930 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
932 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
935 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
937 * alias.c (addr_side_effect_eval): New function.
938 (memrefs_conflict_p): Use it.
939 * rtl.h (addr_side_effect_eval): Prototype it.
941 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
943 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
945 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
947 * reload.c (find_reloads): When force const to memory, put result
948 in substed_operand not *recog_operand_loc.
950 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
952 * c-lex.c: Fix indentation from last patch.
953 Remove trailing whitespace.
956 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
958 * flow.c (delete_block): Call set_last_insn after we have reset
959 NEXT_INSN (kept_tail).
961 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
963 * mips.md (trap_if): Use "$0" for the value zero.
965 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
966 Stephen L Moshier <moshier@world.std.com>
967 Richard Henderson <rth@cygnus.com>
969 * c-common.c (declare_function_name): Declare predefinied variable
972 * c-decl.c (flag_isoc9x): Set to 1 by default.
973 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
974 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
976 * c-parse.in: Allow constructors in ISO C 9x.
977 Rewrite designator list handling.
978 Allow [*] parameters.
979 Don't warn about comma at end of enum definition for ISO C 9x.
981 * cccp.c (c9x): New variable.
982 (rest_extension): New variable.
983 (print_help): Document new -std= option.
984 (main): Recognize -std= option. Set c9x appropriately.
985 (create_definition): Recognize ISO C 9x vararg macros.
987 * gcc.c (default_compilers): Adjust specs for -std options.
988 (option_map): Add --std.
989 (display_help): Document -std.
991 * toplev.c (documented_lang_options): Add -std and remove
994 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
995 or REAL_VALUE_HTOF based on base of the constants.
996 * fold-const.c (real_hex_to_f): New function. Replacement function
997 for hex FP conversion if REAL_ARITHMETIC is not defined.
998 * real.c (asctoeg): Add handling of hex FP constants.
999 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
1002 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
1004 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
1005 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
1006 expansion. Use hi/lo as destination register.
1008 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
1009 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
1010 Avoid as macro expansion. Use hi/lo as destination register.
1012 * mips.h (MASK_CHECK_RANGE_DIV): New.
1013 (MASK_NO_CHECK_ZERO_DIV): New.
1014 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
1015 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
1016 return address for leaf functions out of r31 to support
1017 builtin_return_address.
1019 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1021 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
1022 NEXT_INSN(x) to check insn x.
1024 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
1026 * flow.c (delete_block): Call set_last_insn if we end up deleting the
1027 last insn in the rtl chain.
1029 * reload1.c (reload): Do not set reload_completed or split insns
1031 * toplev.c (rest_of_compilation): Set reload_completed after
1032 reload returns. Split insns after reload_cse has run.
1034 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
1036 * final.c (final_scan_insn): Abort if block_depth falls below 0.
1038 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
1040 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
1042 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
1044 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
1045 use of user-label_prefix.
1047 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1049 * reload1.c (emit_reload_insns): Clear spill_reg_store
1050 when doing a new non-inherited reload from the same pseudo.
1052 * local-alloc.c (function_invariant_p): New function.
1053 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
1054 to decide if an equivalence should be recorded.
1055 * reload1.c (num_eliminable_invariants): New static variable.
1056 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
1057 to decide if an equivalence should be recorded.
1059 (calculate_needs_all_insns): Skip insns that only set an equivalence.
1060 Take num_eliminable_invariants into account when deciding
1061 if register elimination should be done.
1062 (reload_as_needed): Take num_eliminable_invariants into account
1063 when deciding if register elimination should be done.
1064 (eliminate_regs): Handle non-constant reg_equiv_constant.
1065 * rtl.h (function_invariant_p): Declare.
1067 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
1069 * version.c: Bump for snapshot.
1071 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
1073 * version.c: Bump for snapshot.
1075 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
1077 * except.c (add_new_handler): Complain about additional handlers
1078 after one that catches everything.
1080 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
1082 * configure.in (alpha*-*-netbsd): Fix typo.
1083 * configure: Rebuilt.
1085 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1087 * system.h: Include libiberty.h.
1089 * c-aux-info.c: Remove prototypes for concat/concat3. Change
1090 function `concat' from fixed parameters to variable parameters,
1091 as is done in libiberty. All callers of concat/concat3
1092 changed to use the new `concat' with variable args.
1094 * cccp.c: Remove things made redundant by libiberty.h and/or
1095 conform to libiberty standards.
1097 * collect2.c: Likewise.
1098 * config/1750a/1750a.h: Likewise.
1099 * cppalloc.c: Likewise.
1100 * cppexp.c: Likewise.
1101 * cppfiles.c: Likewise.
1102 * cpphash.c: Likewise.
1103 * cpplib.c: Likewise.
1104 * dyn-string.c: Likewise.
1105 * fix-header.c: Likewise.
1108 * genattr.c: Likewise.
1109 * genattrtab.c: Likewise.
1110 * gencheck.c: Likewise.
1111 * gencodes.c: Likewise.
1112 * genconfig.c: Likewise.
1113 * genemit.c: Likewise.
1114 * genextract.c: Likewise.
1115 * genflags.c: Likewise.
1116 * gengenrtl.c: Likewise.
1117 * genopinit.c: Likewise.
1118 * genoutput.c: Likewise.
1119 * genpeep.c: Likewise.
1120 * genrecog.c: Likewise.
1121 * getpwd.c: Likewise.
1122 * halfpic.c: Likewise.
1124 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
1125 in NEED_DECLARATION_* macros.
1127 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
1128 conform to libiberty standards.
1129 (fatal): Fix const-ification of variable `format' in
1130 !ANSI_PROTOTYPES case.
1132 * prefix.c: Remove things made redundant by libiberty.h and/or
1133 conform to libiberty standards.
1135 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
1136 conflicting with function `spaces' from libiberty.
1138 * profile.c: Remove things made redundant by libiberty.h and/or
1139 conform to libiberty standards.
1140 * protoize.c: Likewise.
1143 * tlink.c: Likewise.
1144 * toplev.c: Likewise.
1145 * toplev.h: Likewise.
1148 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1150 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
1152 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1154 * README.C4X: Updated URLs.
1155 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
1156 (valid_parallel_operands_5): Remove unused variable.
1158 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1160 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
1162 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
1164 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
1165 which can be configured.
1166 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
1167 (Makefile): Pass actual LANGUAGES through the environment when
1169 (cstamp-h): Likewise.
1170 (config.status): Likewise.
1172 * configure.in (enable_languages): Add new configuration parameter
1173 "--enable-languages=lang1,lang2,...".
1174 (${srcdir}/*/config-lang.in): Change handling to configure only
1175 those directories, that the user might have enabled; default to
1176 "all" existing languages.
1177 * configure: Regenerate.
1179 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
1181 * rtlanal.c (regs_set_between_p): New function.
1182 * rtl.h (regs_set_between_p): Prototype it.
1183 * jump.c (jump_optimize): Use it instead of modified_between_p
1184 in the Sep 2 change.
1186 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
1187 Matthias Pfaller <leo@dachau.marco.de>
1189 * invoke.texi (Option Summary, NS32K Options): add description
1190 of NS32K specific options.
1192 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
1193 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
1194 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
1195 negdf2, absdf2): Use l instead of f since the double class and
1196 float class are no longer the same.
1197 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
1198 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
1199 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
1200 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
1202 (cmpsi, cmphi, cmpqi): use general_operand instead of
1203 non_immediate_operand. Removes erroneous assumption that can't
1205 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
1206 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
1208 (movstrsi, movstrsi1, movstrsi2): completely new block move
1210 (...): Patterns to exploit multiply-add instructions.
1211 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
1212 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
1213 patterns to exploit extended divide insns.
1214 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
1217 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
1218 float return values as well as simple scalar floats.
1219 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
1220 support new flag to denote 32381 fpu.
1221 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
1222 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
1224 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1225 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
1226 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
1227 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
1228 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
1229 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
1230 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
1231 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
1232 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
1233 fpu registers and special register classes for new 32381
1234 instructions dotf and polyf.
1235 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
1237 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
1238 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
1240 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
1241 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
1242 (REGISTER_MOVE_COST): move code to register_move_cost function for
1243 ease of coding and debugging.
1244 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
1245 LONG_FLOAT_REGO is likely spilled but not caught by default
1247 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
1248 instead of hard coded numbers in range check.
1249 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
1250 (...): Add prototypes for functions in ns32k.c but disable because
1251 of problems when ns32k.h is included in machine independant files.
1253 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
1254 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
1255 hard_regno_mode_ok, secondary_reload_class,
1256 print_operand, print_operand_address): new register scheme to
1257 include 32381 fpu registers and special register classes for new
1258 32381 instructions dotf and polyf.
1259 (gen_indexed_expr): Make static to keep namespace clean.
1260 (check_reg): remove since never called.
1261 (move_tail, expand_block_move): helper functions for "movstrsi"
1263 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
1264 Increase cost of moves which go via memory.
1265 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
1266 (CPP_PREDEFINES): nolonger predefine "unix".
1268 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
1269 Remove erroneous %$. print_operand() can work out from the rtx is
1270 an immediate prefix is required.
1272 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
1273 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
1274 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
1276 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
1279 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
1280 Correct handling of pic operands.
1281 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
1282 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
1283 -mrtd calling convention.
1285 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
1287 * gcc.c (option_map): Recognize --output-class-directory.
1289 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1291 * loop.h (precondition_loop_p): Added new mode argument.
1292 * unroll.c (precondition_loop_p): Likewise.
1293 (approx_final_value): Function deleted and subsumed
1294 into loop_iterations.
1295 (loop_find_equiv_value): New function.
1296 (loop_iterations): Use loop_find_equiv_value to find increments
1297 too large to be immediate constants. Also use it to find terms
1298 common to initial and final iteration values that can be removed.
1300 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1302 * loop.h (struct loop_info): Define new structure.
1303 (precondition_loop_p): Added prototype.
1304 (unroll_loop): Added new argument loop_info to prototype.
1305 (final_biv_value, final_giv_value): Added new argument n_iterations
1307 * loop.c (strength_reduce): Declare new structure loop_iteration_info
1308 and new pointer loop_info.
1309 (loop_n_iterations): Replace global variable by element in
1310 loop_info structure.
1311 (check_final_value): New argument n_iterations.
1312 (insert_bct): New argument loop_info.
1313 (loop_unroll_factor): Replace global array by element in
1314 loop_info structure.
1315 (loop_optimize): Remove code to allocate and initialise
1316 loop_unroll_factor_array.
1317 * unroll.c (precondition_loop_p): No longer static since
1318 used by branch on count optimization.
1319 (precondition_loop_p, unroll_loop): New argument loop_info.
1320 (final_biv_value, final_giv_value, find_splittable_regs): New
1321 argument n_iterations.
1322 (loop_iteration_var, loop_initial_value, loop_increment,
1323 loop_final_value, loop_comparison_code, loop_unroll_factor):
1324 Replaced global variables by loop_info structure.
1325 (loop_unroll_factor): Replace global array by element in
1326 loop_info structure.
1328 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1330 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
1333 * unroll.c (precondition_loop_p): Return loop_initial_value
1334 for initial_value instead of loop_iteration_var.
1336 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1338 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
1339 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
1340 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
1341 to output the instruction sequences.
1343 (rptb_top): Provide alternatives to use any register or memory
1345 (rptb_end): Emit use of operands rather than assigning them
1346 explicitly to the RS and RE registers.
1348 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1350 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
1351 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
1352 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
1353 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
1354 c4x_merge_notes, c4x_parallel_process,
1355 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
1356 c4x_combine_parallel): Delete.
1358 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1360 * config/c4x/c4x.c: (c4x_override_options): For compatibility
1361 with old target options clear flag_branch_on_count_reg if
1362 -mno-rptb specified and set flag_argument_alias is -mno-aliases
1364 (c4x_output_cbranch): Handle a sequence of insns rather than a
1366 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
1367 has not been allocated as the loop counter.
1368 (c4x_address_conflict): Do not allow two volatile memory references.
1369 (valid_parallel_operands_4, valid_parallel_operands_5,
1370 valid_parallel_operands_6): Reject pattern if the register destination
1371 of the first set is used as part of an address in the second set.
1373 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1375 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
1376 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
1377 is no longer enabled if PARALLEL_MPY_FLAG set.
1378 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
1379 (REG_CLASS_CONTENTS): Add braces around initializers.
1380 (HAVE_MULTIPLE_PACK): Define.
1381 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
1382 REAL_VALUE_TO_DECIMAL.
1383 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
1384 REAL_VALUE_TO_DECIMAL.
1385 (ar0_reg_operand): Add prototype.
1386 (ar0_mem_operand): Likewise.
1387 (ar1_reg_operand): Likewise.
1388 (ar1_mem_operand): Likewise.
1389 (ar2_reg_operand): Likewise.
1390 (ar2_mem_operand): Likewise.
1391 (ar3_reg_operand): Likewise.
1392 (ar3_mem_operand): Likewise.
1393 (ar4_reg_operand): Likewise.
1394 (ar4_mem_operand): Likewise.
1395 (ar5_reg_operand): Likewise.
1396 (ar5_mem_operand): Likewise.
1397 (ar6_reg_operand): Likewise.
1398 (ar6_mem_operand): Likewise.
1399 (ar7_reg_operand): Likewise.
1400 (ar7_mem_operand): Likewise.
1401 (ir0_reg_operand): Likewise.
1402 (ir0_mem_operand): Likewise.
1403 (ir1_reg_operand): Likewise.
1404 (ir1_mem_operand): Likewise.
1405 (group1_reg_operand): Likewise.
1406 (group1_mem_operand): Likewise.
1407 (ir1_reg_operand): Likewise.
1408 (arx_reg_operand): Likewise.
1409 (not_rc_reg): Likewise.
1410 (not_modify_reg): Likewise.
1411 (c4x_group1_reg_operand): Remove prototype.
1412 (c4x_group1_mem_operand): Likewise.
1413 (c4x_arx_reg_operand): Likewise.
1415 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
1417 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
1418 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
1420 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1422 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
1425 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1427 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
1428 unless FMOVD_WORKS is defined.
1430 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1432 * regclass.c (init_reg_sets): Move code that calculates tables
1433 dependent on reg_class_contents from here...
1434 (init_reg_sets_1): To here.
1436 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1438 * cpplib.h: Delete struct import_file. Add ihash element to
1439 struct cpp_buffer. Delete dont_repeat_files and
1440 import_hash_table elements from cpp_reader; change
1441 all_include_files to a hash table. Delete all foobar_include
1442 / last_foobar_include elements from struct cpp_options; put
1443 back four such: quote_include, bracket_include,
1444 system_include, after_include. Redo struct file_name_list
1445 completely. Add new structure type include_hash. Add
1446 prototypes for merge_include_chains and include_hash. Change
1447 prototypes for finclude, find_include_file, and
1448 append_include_chain to match changes below.
1450 * cppfiles.c (simplify_pathname, include_hash,
1451 remap_filename, merge_include_chains): New functions.
1452 (add_import, lookup_import, open_include_file): Removed.
1453 (INO_T_EQ): Define this (copied from cccp.c).
1454 (hack_vms_include_specification): Remove all calls and #if 0
1455 out the definition. It was being called incorrectly and at
1456 the wrong times. Until a VMSie can look at this, it's better
1457 to not pretend to support it.
1458 (append_include_chain): Change calling convention; now takes
1459 only one directory at a time, and sets up the data structure
1461 (redundant_include_p): Rewritten - this is now used for all
1462 include redundancy, whether by #ifndef, #import, or #pragma
1463 once. Looks up things in the include hash table.
1464 (file_cleanup): Decrement pfile->system_include_depth here if
1466 (find_include_file): Calling convention changed; now passes
1467 around a struct include_hash instead of 3 separate parameters.
1468 Guts ripped out and replaced with new include_hash mechanism.
1469 (finclude): Calling convention changed as for
1470 find_include_file. Error exits pulled out-of-line. Reformat.
1471 (safe_read): Return a long, not an int.
1472 (deps_output): Don't recurse.
1474 * cpplib.c (is_system_include): Deleted.
1475 (path_include): Fix up call to append_include_chain.
1476 (do_include): Fix up calls to find_include_file and finclude.
1477 Clean up dependency output a bit. Shorten obnoxiously lengthy
1478 #import warning message. Don't decrement
1479 pfile->system_include_depth here.
1480 (do_pragma): Understand the include_hash structure. Reformat.
1481 (do_endif): Correct handling of control macros. Understand
1483 (cpp_start_read): Fix up calls to finclude. Call
1484 merge_include_chains.
1485 (cpp_handle_option): Fix up calls to append_include_chain.
1486 Understand the four partial include chains.
1487 (cpp_finish): Add debugging code (#if 0-ed out) for the
1489 (cpp_cleanup): Free the include_hash, not the import hash and
1490 the all_include and dont_repeat lists which no longer exist.
1492 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
1494 * toplev.c (no_new_pseudos): Define.
1495 (rest_of_compilation): Set no_new_pseudos as needed.
1496 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
1497 if no_new_pseudos is set.
1498 * rtl.h (no_new_pseudos): Declare it.
1499 * reload1.c (reload): Update comments.
1500 * md.texi: Corresponding changes.
1502 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1504 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
1505 (choose_reload_regs): Rename it here as well. When computing it,
1506 also merge in used hardregs.
1508 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1510 * gcc.c: Split out Objective-C specs to...
1511 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
1514 * c-lex.c (init_parse): Always initialize the filename global.
1515 * objc/objc-act.c (lang_init): Always call check_newline at
1518 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
1520 * reload1.c (reload): Remove unused variable.
1521 (reload_reg_free_for_value_p): Add missing parameter definition.
1523 * jump.c (jump_optimize): Remove unused variable.
1525 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
1527 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
1529 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
1531 * expr.c (move_by_pieces): Similarly.
1532 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
1533 * flow.c (find_auto_inc): Similarly.
1534 (try_pre_increment): Similarly.
1535 * loop.c (strength_reduce): Similarly.
1536 * regclass.c (auto_inc_dec_reg_p): Similarly.
1537 * regmove.c (try_auto_increment): Similarly.
1538 (fixup_match_1): Similarly.
1539 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
1540 (HAVE_PRE_DECREMENT): Similarly.
1541 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
1542 * Corresponding changes to all target header files.
1543 * tm.texi: Update docs for autoinc addressing modes.
1545 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
1547 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
1548 * configure: Rebuild.
1549 * config/elfos.h: New file.
1550 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
1551 config/m68k/t-m68kelf: New file.
1553 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
1555 * Makefile.in (HOST_AR): Define.
1556 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
1557 (libcpp.a): Use the host tools explicitly.
1558 (STAGESTUFF): Add libcpp.a.
1560 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
1562 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
1563 to source and destination registers.
1565 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
1567 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
1568 The strategy we now use is to pre allocate the top_elt along
1569 with the EH context so that each thread has its own top_elt.
1570 This is necessary as the dynmanic cleanup chain is used on the
1571 top element of the stack and each thread MUST have its own.
1572 (eh_context_static): Likewise.
1573 (new_eh_context): Likewise.
1574 (__sjthrow): Likewise.
1576 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
1578 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
1579 * i386.md (prologue_get_pc): Remove unused variable.
1581 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
1583 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
1585 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
1587 * Makefile.in (OBJS): Add graph.o
1588 (graph.o): New dependency list.
1589 * flags.h: Declare dump_for_graph and define graph_dump_types type.
1590 * print-rtl.c (dump_for_graph): Define new variable.
1591 (print_rtx): Rewrite to allow use in graph dumping functions.
1592 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
1593 finish_graph_dump_file.
1594 Define graph_dump_format.
1595 (compile_file): If graph dumping is enabled also clear these files.
1596 Finish graph dump files.
1597 (rest_of_compilation): Also dump graph information if enabled.
1598 (main): Recognize -dv to enabled VCG based graph dumping.
1599 * graph.c: New file. Graph dumping functions.
1601 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
1603 * configure.in: Look for <sys/stat.h>.
1604 * system.h: Include it before substitute S_ISREG definitions.
1606 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
1608 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
1609 * config/mips/iris6.h: Same.
1610 * config/mips/mips.md: Same.
1611 * config/mips/mips.c: Same; also add "-mabi=o64" option.
1612 * config/mips/mips.h: Same; also define ABI_O64.
1614 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1616 * configure.in: Use AC_PREREQ(2.12.1).
1618 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
1620 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
1621 * cpplib.c, gcc.c: Likewise.
1622 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
1624 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
1626 * local-alloc.c (local_alloc): Use malloc not alloca for
1627 reg_qty, reg_offset, ref_next_in_qty.
1629 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1631 * caller-save.c (insert_one_insn): Initialize the live_before and
1632 live_after register sets.
1636 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
1637 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
1638 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
1639 (fp_reg_names, assembler_dialect): New variables.
1640 (print_operand_address): Handle SUBREGs.
1641 (print_operand): Added 'o' case.
1642 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
1643 Name of FP registers depends on mode.
1644 (expand_block_move): Emit different code for SH4 hardware.
1645 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
1646 (from_compare): Likewise.
1647 (add_constant): New argument last_value. Changed all callers.
1648 (find_barrier): Don't try HImode load for FPUL_REG.
1649 (machine_dependent_reorg): Likewise.
1650 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
1651 (gen_far_branch): Emit a barrier after the new jump.
1652 (barrier_align): Don't trust instruction lengths before
1654 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
1655 Use auto-inc addressing for fp registers if doubles need to
1656 be loaded in two steps.
1657 Set sh_flag_remove_dead_before_cse.
1658 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
1659 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
1660 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
1661 Support for FIRST_XD_REG .. LAST_XD_REG.
1662 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
1663 (sh_expand_epilogue): Likewise.
1664 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
1665 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
1666 (arith_reg_operand): FPUL_REG is OK for SH4.
1667 (fp_arith_reg_operand, fp_extended_operand) New functions.
1668 (tertiary_reload_operand, fpscr_operand): Likewise.
1669 (commutative_float_operator, noncommutative_float_operator): Likewise.
1670 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
1671 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
1672 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
1673 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
1674 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
1675 (CONDITIONAL_REGISTER_USAGE): Likewise.
1676 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
1677 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
1678 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
1679 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
1680 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
1681 to -1 and sh_flag_remove_dead_before_cse to 1.
1682 (ASSEMBLER_DIALECT): Define to assembler_dialect.
1683 (assembler_dialect, fp_reg_names): Declare.
1684 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
1685 Hide names of registers that are not accessible.
1686 (CACHE_LOG): Take TARGET_CACHE32 into account.
1687 (LOOP_ALIGN): Take TARGET_HARWARD into account.
1688 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
1689 (FIRST_PSEUDO_REGISTER: Now 49.
1690 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
1691 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
1692 (HARD_REGNO_MODE_OK): Update.
1693 (enum reg_class): Add DF_REGS and FPSCR_REGS.
1694 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
1695 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
1696 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
1697 (NPARM_REGS): Eight floating point parameter registers on SH4.
1698 (BASE_RETURN_VALUE_REG): SH4 also passes double values
1699 in floating point registers.
1700 (GET_SH_ARG_CLASS) Likewise.
1701 Complex float types are also returned in float registers.
1702 (BASE_ARG_REG): Complex float types are also passes in float registers.
1703 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
1704 (LIBCALL_VALUE): Remove trailing semicolon.
1705 (ROUND_REG): Round when double precision value is passed in floating
1707 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
1708 passed on the stack.
1709 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
1710 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
1711 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
1712 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
1713 (MODE_DISP_OK_8): Not for SH4 DFmode.
1714 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
1715 Allow indexed addressing for PSImode after reload.
1716 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
1717 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
1718 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
1719 (DOUBLE_TYPE_SIZE): 64 for SH4.
1720 (RTX_COSTS): Add PLUS case.
1721 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
1722 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
1723 MAC_REGS, PR_REGS, DF_REGS.
1724 (REGISTER_NAMES): Use fp_reg_names.
1725 (enum processor_type): Add PROCESSOR_SH4.
1726 (sh_flag_remove_dead_before_cse): Declare.
1727 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
1728 (PREDICATE_CODES): Add binary_float_operator,
1729 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
1730 fpscr_operand, noncommutative_float_operator.
1731 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
1732 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
1733 * sh.md (attribute cpu): Add value sh4.
1734 (attrbutes fmovd, issues): Define.
1735 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
1736 (function units memory, int, mpy, fp): Make dependent on issue rate.
1737 (function units issue, single_issue, load_si, load): Define.
1738 (function units load_store, fdiv, gp_fpul): Define.
1739 (attribute hit_stack): Provide proper default.
1740 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
1741 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
1742 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
1743 (mulsi3_call): Now uses match_operand for function address.
1744 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
1746 (push, pop, push_e, pop_e): Now define_expands.
1747 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
1748 (movsi_ie): Added y/i alternative.
1749 (ic_invalidate_line_i, movdf_i4): New insns.
1750 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
1751 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
1752 (movdf): Add special code for SH4.
1753 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
1754 (call_valuei, calli, call_value): Likewise.
1755 (movsf): Emit no-op move.
1756 (mov_nop, movsi_y): New insns.
1757 (blt, sge): generalize to handle DFmode.
1758 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
1759 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
1760 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
1761 (fpu_switch0, fpu_switch1, movpsi): New expanders.
1762 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
1763 (toggle_sz): New insn.
1764 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
1765 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
1766 (macsf3): Make use of fpscr visible. Disable for SH4.
1767 (floatsisf2): Make use of fpscr visible.
1768 (floatsisf2_i4): New insn.
1769 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
1770 (ieee_ccmpeqsf_t): Likewise.
1771 (fix_truncsfsi2): Emit different code for SH4.
1772 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
1773 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
1774 (negsf2, sqrtsf2, abssf2): Now expanders.
1775 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
1776 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
1777 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
1778 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
1779 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
1780 (fix_truncdfsi2_i4_2+1): New splitters.
1781 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
1782 (extendsfdf2, truncdfsf2): New expanders.
1783 (truncdfsf2_i4): New insn.
1784 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
1785 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
1786 * float-sh.h: When testing for __SH3E__, also test for
1787 __SH4_SINGLE_ONLY__ .
1788 * va-sh.h (__va_freg): Define to float.
1789 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
1790 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
1791 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
1792 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
1794 (TARGET_SH4_P): Define.
1797 * sh.md (movdf_k, movsf_i): Tweak the condition so that
1798 init_expr_once is satisfied about the existence of load / store insns.
1800 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
1801 change m constraint in source operand to mr / mf .
1803 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
1805 * (__VA_REEF): Define.
1806 (__va_arg_sh1): Use it.
1808 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
1810 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
1812 * i386/dgux.c (struct option): Add new "description field".
1813 * m88k/m88k.c (struct option): Likewise.
1815 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
1817 * version.c: Bump for snapshot.
1819 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1821 * regmove.c (regmove_profitable_p): Use return value of find_matches
1824 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
1826 * version.c: Bump for snapshot.
1828 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
1830 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
1831 without reload having been called earlier.
1833 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
1835 (v850_reorg): Similarly.
1837 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
1839 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1841 * loop.c (move_movables): Start of libcall might be new loop start.
1843 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1845 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
1847 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1849 * function.c (nonlocal_goto_handler_slots): Renamed from
1850 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
1851 (push_function_context_to): Adjust for this change.
1852 (pop_function_context_from): Likewise.
1853 (init_function_start): Likewise.
1854 (expand_function_end): Likewise.
1855 * function.h (struct function): Likewise.
1856 * calls.c (expand_call): Likewise.
1857 * explow.c (allocate_dynamic_stack_space): Likewise.
1858 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
1859 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
1861 (expand_goto): When doing a nonlocal goto, find corresponding handler
1862 slot for it. Don't put the label address in the static chain register.
1863 (expand_end_bindings): Break out nonlocal goto handling code into
1864 three new functions.
1865 (expand_nl_handler_label, expand_nl_goto_receiver,
1866 expand_nl_goto_receivers): New static functions, broken out of
1867 expand_end_bindings and adapted to create one handler per nonlocal
1869 * function.c (delete_handlers): Delete insn if it references any of
1870 the nonlocal goto handler slots.
1871 * i960.md (nonlocal_goto): Comment out code that modifies
1873 * sparc.md (nonlocal_goto): Likewise.
1874 (goto_handler_and_restore_v9): Comment out.
1875 (goto_handler_and_restore_v9_sp64): Comment out.
1877 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1879 * expr.c (STACK_BYTES): Delete unused macro.
1880 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
1881 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1882 (expand_call): Likewise.
1883 (emit_library_call): Likewise.
1884 (emit_library_call_value): Likewise.
1885 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
1886 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1887 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
1888 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1889 (allocate_dynamic_stack_space): Likewise.
1890 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
1891 (STACK_BOUNDARY): Update description to reflect the new situation.
1893 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
1895 * reorg.c (relax_delay_slots): When optimizing for code size, if a
1896 return with a filled delay slot is followed by a return with an
1897 unfilled delay slot, delete the first return and reemit the insn
1898 that was previously in its delay slot.
1900 * i860.c (single_insn_src_p): Add missing parens.
1901 * ginclude/math-3300.h: Likewise.
1903 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
1905 * regclass.c (init_reg_sets_1): Add prototype.
1906 (init_reg_modes): Likewise.
1908 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
1910 * c-common.c: Change warning messages to say `comparison is
1911 always true' or `comparison is always false' instead of the
1912 confusing `is always 0', `is always 1'.
1914 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
1916 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
1917 break instead of return (which loses closing '>').
1919 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
1921 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
1922 standard 387 constants.
1924 * i386.md (jump): Explicitly set "memory" attribute.
1925 (indirect_jump, prologue_set_stack_ptr): Likewise.
1926 (prologue_get_pc_and_set_got, pop): Likewise.
1927 (allocate_stack_worder, blockage, return_internal): Likewise.
1928 (return_pop_internal, nop): Likewise.
1929 (epilogue_set_stack_ptr, leave): Likewise.
1931 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
1933 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
1935 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1937 * reload1.c (reload_reg_free_for_value_p):
1938 Early auto_inc reloads don't conflict with outputs.
1940 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1942 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
1943 Instead call AC_HEADER_SYS_WAIT.
1945 * collect2.c: Don't provide defaults for sys/wait.h macros.
1947 * protoize.c: Likewise. Also, don't include sys/wait.h.
1949 * system.h: Include sys/wait.h and provide macro defaults.
1951 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1953 * Makefile.in (mandir): Set to @mandir@.
1954 (man1dir): New variable to hold the former value of $(mandir).
1955 Replace all uses of $(mandir) by $(man1dir).
1957 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
1959 * reload.c (find_reloads_address_part): If have a CONST_INT, create
1960 a new one before passing it to force_const_mem.
1962 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
1963 find_reloads_address call.
1965 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1967 * expr.c (store_expr): Don't generate load-store pair
1968 if TEMP is identical (according to ==) with TARGET.
1970 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1972 * reload1.c (reload_reg_free_for_value_p): When considered reload
1973 has an output, matching inputs are not sufficient to avoid conflict.
1975 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
1977 * hash.h (hash_table_key): New type.
1978 (hash_entry): Change `string' field to generic `key'.
1979 (hash_table): Add `comp' and `hash' functions.
1980 (hash_table_init): Take them as input.
1981 (hash_table_init_n): Likewise.
1982 (hash_lookup): Modify for generic keys.
1983 (hash_newfunc): Likewise.
1984 (hash_traverse): Likewise.
1985 (string_hash): New function.
1986 (string_compare): Likewise.
1987 (string_copy): Likewise.
1988 * hash.c (hash_table_init_n): Modify for generic keys.
1989 (hash_table_init): Likewise.
1990 (hash_lookup): Likewise.
1991 (hash_newfunc): Likewise.
1992 (hash_traverse): Likewise.
1993 (string_hash): Split out from hash_lookup.
1994 (string_compare): New function.
1995 (string_copy): Split out from hash_lookup.
1996 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
1998 (symbol_hash_lookup): Likewise.
1999 (file_hash_newfunc): Likewise.
2000 (file_hash_lookup): Likewise.
2001 (demangled_hash_newfunc): Likewise.
2002 (demangled_hash_lookup): Likewise.
2003 (tlink_int): Likewise.
2004 (read_repo_file): Likewise.
2005 (recompile_files): Likewise.
2006 (demangle_new_symbols): Likewise.
2007 (scan_linker_output): Likewise.
2009 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2011 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
2013 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
2015 * rs6000.c (output_mi_thunk): Improve test for local branch.
2017 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2019 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
2021 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2023 * reload1.c (reload_reg_free_before_p): Delete.
2024 Changed all callers to use reload_reg_free_for_value_p instead.
2025 (reload_reg_free_for_value_p): Handle more reload types.
2026 A RELOAD_FOR_INPUT doesn't conflict with its
2027 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
2028 Add special case for OUT == const0_rtx.
2029 Added ignore_address_reloads argument. Changed all callers.
2031 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
2033 * toplev.c (compile_file): Don't pedwarn about undefined static
2034 functions just because we passed -Wunused.
2036 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2038 * function.c (purge_addressof_1): Unshare rtl created by
2041 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2043 * regmove.c (regmove_optimize): Don't do anything but
2044 optimize_reg_copy[123] when flag_regmove is not set.
2046 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
2048 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
2049 value in paradoxical SImode result, rather than truncating midpoint.
2051 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
2053 * alpha.c (reg_not_elim_operand): New.
2054 * alpha.h (PREDICATE_CODES): Add it.
2055 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
2056 for the multiplicand.
2058 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
2060 * rs6000.md (movsf): Remove explicit secondary-reload-like
2061 functionality. Only truncate SFmode store if in FPR.
2062 (movsf splitters): Combine const_double splitters.
2063 (movsf_hardfloat): Add GPR support.
2065 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
2067 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
2068 deprecate -mlive-g0 and -mbroken-saverestore.
2069 * t-splet (MULTILIB_OPTIONS): Likewise.
2071 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
2072 in a leaf function. Clarify total_size/extra_size relationship.
2074 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
2076 * i386/cygwin32.asm: Delete.
2077 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
2078 * i386/cygwin32.h: Delete.
2079 * i386/cygwin.h: New file, renamed from cygwin32.h.
2080 * i386/t-cygwin32: Delete.
2081 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
2082 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
2083 * i386/x-cygwin32: Delete.
2084 * i386/x-cygwin: New file, renamed from x-cygwin32.
2085 * i386/xm-cygwin32: Delete.
2086 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
2087 renamed cygwin_ funcs for path translations.
2088 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
2089 * i386/winnt.c: Remove "32" from comment about cygwin.
2090 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
2091 * rs6000/cygwin32.h: Delete.
2092 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
2093 -D__CYGWIN__ to CPP_PREDEFINES.
2094 * rs6000/x-cygwin32: Delete.
2095 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
2096 * rs6000/xm-cygwin32: Delete.
2097 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
2099 * configure.in: Check for cygwin* instead of cygwin32. Account
2100 for the rename of cygwin-related config files to lose the "32"s.
2101 * configure: Regenerate.
2103 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
2104 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
2106 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
2108 * Makefile.in (JAVAGC): New macro.
2109 * configure: Rebuilt.
2110 * configure.in: Recognize --enable-java-gc argument. Subst
2113 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2115 Handle equivalences that have been obscured by gcse:
2117 * reload1.c (reload): Handle equivalences set up in multiple places.
2118 * local-alloc.c (reg_equiv_init_insns): New variable.
2119 (no_equiv): New function.
2120 (update_equiv_regs): Handle equivalences set up in multiple places.
2121 Don't ignore an insn just because its destination is likely to be
2124 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
2126 * except.c (expand_eh_return): Readd force_operand call lost in
2129 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
2131 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
2133 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2135 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
2137 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2139 * regmove.c (regmove_optimize): Fix error in last change.
2141 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
2143 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
2144 offset in the .mask pseudo to compensate for frame pointer adjustments.
2145 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
2146 word swap arguments moved to/from FP registers.
2147 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
2149 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
2151 * version.c: Bump for snapshot.
2153 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
2155 * version.c: Bump for snapshot.
2157 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
2159 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
2160 times, then it can not be completely replaced.
2162 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
2164 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
2166 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2168 * gansidecl.h: Prepend a "G" to the macro wrapping this file
2169 (to distinguish it from the macro wrapping ansidecl.h.)
2170 Include libiberty's ansidecl.h. Remove all redundant definitions.
2171 Define the PROTO() style macros in terms of the PARAMS() ones.
2174 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
2175 __STDC__, when deciding whether to use ANSI variable args.
2176 (emit_library_call_value): Likewise.
2178 * cccp.c (error): Likewise.
2179 (warning): Likewise.
2180 (error_with_line): Likewise.
2181 (warning_with_line): Likewise.
2182 (pedwarn): Likewise.
2183 (pedwarn_with_line): Likewise.
2184 (pedwarn_with_file_and_line): Likewise.
2187 * cexp.y (error): Likewise.
2188 (pedwarn): Likewise.
2189 (warning): Likewise.
2191 * collect2.c (fatal_perror): Likewise.
2195 * combine.c (gen_rtx_combine): Likewise.
2197 * cpperror.c (cpp_message): Likewise.
2198 (cpp_fatal): Likewise.
2200 * cpplib.c (cpp_error): Likewise.
2201 (cpp_warning): Likewise.
2202 (cpp_pedwarn): Likewise.
2203 (cpp_error_with_line): Likewise.
2204 (cpp_warning_with_line): Likewise.
2205 (cpp_pedwarn_with_line): Likewise.
2206 (cpp_pedwarn_with_file_and_line): Likewise.
2208 * cpplib.h: Don't define PARAMS() macro.
2210 * demangle.h: Likewise.
2212 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
2213 when deciding whether to use ANSI variable args.
2215 * emit-rtl.c (gen_rtx): Likewise.
2216 (gen_rtvec): Likewise.
2218 * final.c (asm_fprintf): Likewise.
2220 * fix-header.c (cpp_message): Likewise.
2222 (cpp_fatal): Likewise.
2224 * gcc.c (concat): Likewise.
2228 * genattr.c (fatal): Likewise.
2230 * genattrtab.c (attr_rtx): Likewise.
2231 (attr_printf): Likewise.
2234 * gencodes.c (fatal): Likewise.
2236 * genconfig.c (fatal): Likewise.
2238 * genemit.c (fatal): Likewise.
2240 * genextract.c (fatal): Likewise.
2242 * genflags.c (fatal): Likewise.
2244 * genopinit.c (fatal): Likewise.
2246 * genoutput.c (fatal): Likewise.
2249 * genpeep.c (fatal): Likewise.
2251 * genrecog.c (fatal): Likewise.
2253 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
2254 deciding whether to declare `tree_node' and `rtx_def'.
2256 * hash.h: Don't define stuff we get from gansidecl.h.
2258 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
2259 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2260 whether to use ANSI variable args.
2263 * prefix.c (concat): Likewise.
2267 * system.h: Likewise.
2269 * toplev.c (error_with_file_and_line): Likewise.
2270 (error_with_decl): Likewise.
2271 (error_for_asm): Likewise.
2274 (warning_with_file_and_line): Likewise.
2275 (warning_with_decl): Likewise.
2276 (warning_for_asm): Likewise.
2277 (warning): Likewise.
2278 (pedwarn): Likewise.
2279 (pedwarn_with_decl): Likewise.
2280 (pedwarn_with_file_and_line): Likewise.
2282 (really_sorry): Likewise.
2284 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2285 whether to declare `tree_node' and `rtx_def'.
2287 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
2288 deciding whether to use ANSI variable args.
2289 (build_nt): Likewise.
2290 (build_parse_node): Likewise.
2292 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
2294 * version.c: Bump for snapshot.
2296 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2298 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
2300 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2302 * collect2.c (main, case 'b'): Use else if.
2304 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2306 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
2307 Arrange to include gansidecl.h in {ht}config.h & tm.h just
2308 before the config/ directory headers.
2309 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
2310 gansidecl.h in the list of dependencies.
2312 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
2313 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
2314 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
2315 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
2316 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
2317 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
2320 * cccp.c: Don't include gansidecl.h.
2322 * collect2.c: Likewise.
2323 * config/c4x/c4x.c: Likewise.
2324 * config/v850/v850.h: Likewise.
2325 * cppalloc.c: Likewise.
2326 * cpperror.c: Likewise.
2327 * cppexp.c: Likewise.
2328 * cppfiles.c: Likewise.
2329 * cpphash.c: Likewise.
2330 * cpplib.c: Likewise.
2331 * cppmain.c: Likewise.
2332 * cppulp.c: Likewise.
2333 * demangle.h: Likewise.
2334 * doprint.c: Likewise.
2335 * dyn-string.c: Likewise.
2336 * eh-common.h: Likewise.
2337 * fix-header.c: Likewise.
2338 * frame.c: Likewise.
2341 * gen-protos.c: Likewise.
2342 * gencheck.c: Likewise.
2343 * halfpic.h: Likewise.
2345 * machmode.h: Likewise.
2346 * mbchar.c: Likewise.
2347 * prefix.c: Likewise.
2348 * protoize.c: Likewise.
2349 * recog.h: Likewise.
2351 * scan-decls.c: Likewise.
2353 * varray.h: Likewise.
2355 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
2357 * i386.md (call_value_pop): If we're not popping anything,
2358 defer to call_value.
2359 (call_pop): Likewise defer to call.
2361 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
2363 * function.c (purge_addressof): Clear purge_addressof_replacements
2364 only after processing the whole function.
2366 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
2368 * reload1.c (reload): If we can not perform a particular elimination
2369 when we thought we could earlier, then we must always iterate through
2370 the loop at least one more time.
2372 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
2374 * alpha.c (add_operand): Simplify the CONST_INT match.
2375 (sext_add_operand): Correct typo in comparison by using
2376 CONST_OK_FOR_LETTER_P.
2377 * alpha.md (s?addq): Use sext_add_operand to allow the negative
2378 constant alternatives to be generated.
2379 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
2380 small constants, since the hw instructions do.
2382 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2384 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
2385 previous insn to store directly into our reload register, make sure
2386 that if the source of the previous insn is a reload register, its
2387 spill_reg_store and spill_reg_stored_to values are cleared.
2389 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
2391 * rs6000.md (floatunssidf2_internal splitter): Use base register
2392 operand, not hard-coded SP.
2394 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2396 * jump.c (calculate_can_reach_end): Fix thinko.
2398 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
2400 * reorg.c (fill_simple_delay_slots): Fix typo.
2402 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
2404 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
2406 * i386.md (extendsidi2): Use # in the output template.
2407 (extendsidi splitters): New splitters.
2409 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
2411 * configure.in: Use unknown-elf.h as tm_file for arm-elf
2413 * configure: Regenerate.
2415 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2417 * jump.c (init_label_info, delete_barrier_successors,
2418 mark_all_labels, delete_unreferenced_labels,
2419 delete_noop_moves, calculate_can_reach_end): New functions broken
2420 out of jump_optimize.
2421 (jump_optimize): Use them.
2423 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2425 * except.c (expand_fixup_region_end): Make sure outer context labels
2426 are not issued in an inner context during cleanups.
2428 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
2430 * alpha.md (addsi3, subsi3): No new temporaries once cse is
2433 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
2435 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
2436 to expose this midpoint to CSE.
2438 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2440 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
2442 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2444 * configure.in: Bring over gcc2 change of Nov 19 1997.
2446 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
2448 * toplev.c (output_lang_identify): Make definition dependent on
2449 ASM_IDENTIFY_LANGUAGE.
2451 * print-rtl.c (spaces): Make static.
2453 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
2455 * extend.texi: Clarify proper uses for register clobbers in asms.
2457 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2459 * recog.h (enum op_type): Define.
2460 (constrain_operands): Adjust prototype.
2461 (recog_op_type): Declare new variable.
2462 * recog.c (recog_op_type): New variable.
2463 (insn_invalid_p): Allow modifying an asm statement after reload.
2464 (extract_insn): Set up recog_op_type.
2465 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2466 Don't compute operand types, use recog_op_type.
2467 Use the information computed by extract_insn instead of the previous
2468 method of finding it by insn code number.
2469 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2470 * reorg.c (fill_slots_from_thread): Likewise.
2471 * reload1.c (reload_as_needed): Likewise.
2472 (gen_reload): Likewise.
2473 (inc_for_reload): Likewise.
2474 (reload_cse_simplify_operands): Likewise.
2475 Use the information computed by extract_insn instead of the previous
2476 method of finding it by insn code number.
2477 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
2479 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
2480 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
2481 Use the information computed by extract_insn instead of the previous
2482 method of finding it by insn code number.
2483 * regmove.c (find_matches): Likewise. Change meaning of the return
2484 value to be nonzero if the optimization can be performed, zero if
2485 not. All callers changed.
2486 Shorten some variable names to fix formatting problems.
2487 (regmove_optimize): Shorten some variable names to fix formatting
2489 Use the information computed by extract_insn instead of the previous
2490 method of finding it by insn code number.
2491 * regclass.c (scan_one_insn): Likewise.
2492 (record_reg_classes): Don't compute operand types, use recog_op_type.
2493 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
2494 recog_constraints instead.
2496 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
2498 * rtl.h (flow2_completed): Declare.
2499 * flow.c (flow2_completed): Definition.
2500 * toplev.c (rest_of_compilation): Set and clear flow2_completed
2503 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2505 * Makefile.in (libcpp.a): Ranlib libcpp.a
2507 * cppulp.c (user_label_prefix): Initialize.
2509 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
2511 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
2512 at a RETURN if current_function_sp_is_unchanging is set.
2514 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2516 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
2518 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
2520 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
2521 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
2522 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
2523 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
2524 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
2525 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
2527 (LIB_SPEC): Handle -mno-cyginw option.
2528 (LINK_SPEC): Handle -mdll.
2530 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2532 * reload.c (find_reloads): Fix test for usage by other reload
2533 to handle secondary reloads properly.
2535 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2537 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
2538 intermediate structure which has exactly the members provided by
2539 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
2540 static intermediate structure.
2542 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
2543 from the intermediate structure. Do the same analogous fix in
2544 the case where ELIMINABLE_REGS is not defined.
2546 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
2548 * pa.h (SELECT_SECTION): Fix thinko.
2550 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
2552 * dwarf2out.c (output_call_frame_info): Comments on last change.
2554 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
2556 * arm.c (add_constant): When taking the address of an item in the
2557 pool, get the mode of the item addressed.
2559 * arm.c (final_prescan_insn case INSN): If an insn doesn't
2560 contain a SET or a PARALLEL, don't consider it for conditional
2563 Restore ABI compatibility for NetBSD.
2564 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
2566 (RETURN_IN_MEMORY): Likewise.
2568 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
2570 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
2571 (m32r_output_block_move): Rewrite bytes < 4 handling.
2573 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2575 * configure.in: Call AC_FUNC_VFORK.
2577 * collect2.c: Define VFORK_STRING as a printable string for
2578 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
2579 defined, include vfork.h. If VMS is defined, define vfork()
2580 appropriately. Remove vfork check on USG, we're using autoconf.
2581 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
2582 checking locally what string to pass.
2583 (scan_prog_file): Likewise.
2584 (scan_libraries): Likewise.
2586 * gcc.c: Remove vfork check on USG, we're using autoconf.
2587 Besides, no calls to vfork/fork occur in this file.
2589 * protoize.c: Likewise.
2591 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2593 * configure.in (DEFAULT_LINKER): renamed from LD
2594 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
2595 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
2596 * configure: rebuilt
2598 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2600 * BUGS: fix the regexp for `more' to find the appropriate node.
2601 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
2603 * BUGS: added link to the WWW FAQ
2605 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
2607 * version.c: Bump for snapshot.
2609 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
2611 * From Christian Gafton:
2612 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
2613 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
2614 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
2616 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
2618 * c-common.c (c_get_alias_set): Allow all type-punning through
2619 unions. Don't get confused about the type of a bit-field, despite
2620 the antics of build_modify_expr.
2622 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
2624 * fixinc.sco: Paramaterize #include_next values.
2625 * fixinc/fixinc.sco: Likewise.
2627 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
2629 * toplev.c (rest_of_compilation): No longer set reload_completed.
2630 * reload1.c (reload): Set it here. Perform instruction splitting
2631 after reload has completed if we will be running the scheduler
2634 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
2636 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
2637 EH region if exceptions are enabled and we're performing cross
2639 (find_cross_jump): Exit loop if the insns are in different EH regions.
2641 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
2643 * dwarf2out.c (output_call_frame_info): Use
2644 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
2646 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2648 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
2649 * c-common.c (check_format_info): Don't check for the 'x'
2650 format character twice, instead check for 'x' and 'X'
2652 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
2654 * configure.in (assembler features): Also make gas is configured if
2655 we find it in the souce tree.
2657 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
2659 * i386.c (i386_comp_type_attributes): Compare whether the
2660 attributes are defined, not their tree nodes.
2662 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2664 * configure.in (gxx_include_dir): bitten by autoconf quoting
2666 * configure: rebuilt
2668 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2670 * configure.in: Ignore non-absolute value in $AS.
2672 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
2674 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
2676 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
2678 * configure.in (msdosdjgpp): Set exeext and target_alias.
2680 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2682 * flow.c (XNMALLOC): New macro.
2683 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
2685 (add_edge, add_edge_to_label): New static functions.
2686 (free_bb_memory): New function.
2687 (flow_delete_insn): Delete function.
2688 (basic_block_drops_in): Delete variable.
2689 (find_basic_blocks): Allocate and initialize basic_block_head,
2690 basic_block_succ. Don't allocate basic_block_drops_in.
2691 Call free_bb_memory at the beginning.
2692 (find_basic_blocks_1): Don't do multiple passes.
2693 Delete code to compute basic_block_drops_in.
2694 After calling make_edges, mark blocks reached by current block live.
2695 Update test for unreachable live blocks.
2696 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
2698 Simplify to call add_edge_to_label when a LABEL_REF is found.
2699 (make_edges): Simplify to call add_edge_to_label instead of
2700 mark_label_ref most of the time.
2701 Compute here whether control drops into the next block.
2702 (delete_unreachable_blocks): Return void. All callers changed.
2703 Delete unreachable blocks in reverse order.
2704 After deleting all unreachable blocks, renumber the remaining ones
2705 and update n_basic_blocks.
2706 (delete_block): Speed up deletion a bit.
2707 Don't set basic_block_drops_in for deleted blocks.
2708 (free_basic_block_vars): Don't free basic_block_drops_in.
2709 (life_analysis_1): Update to use new edge representation.
2710 (dump_flow_info): Delete code to print basic block info; call
2711 dump_bb_data instead.
2712 (compute_preds_succs): Delete code to recompute basic_block_drops_in
2713 and uid_block_number.
2714 Simply copy the previously computed cfg.
2715 (dump_bb_data): New arg LIVE_INFO. All callers changed.
2716 Print register lifetime information if LIVE_INFO is nonzero.
2717 * basic-block.h (dump_bb_data): Adjust prototype.
2718 * gcse.c (gcse_main): Update call to dump_bb_data.
2719 * rtl.h (free_bb_memory): Declare.
2720 * toplev.c (rest_of_compilation): Call free_bb_memory.
2722 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
2723 (update_eliminable_offsets): Don't compute it.
2724 (set_initial_elim_offsets): Don't initialize it.
2725 Break out some code into set_initial_label_offsets so the rest of
2726 this function can be called from reload_as_needed.
2727 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
2728 ELIMINABLE_REGS isn't.
2729 (set_initial_label_offsets): New function, broken out of
2730 set_initial_elim_offsets.
2731 (set_offsets_for_label): New function, broken out of set_label_offsets
2732 and reload_as_needed.
2733 (reload): Call the two new functions.
2734 (reload_as_needed): Call set_initial_elim_offsets instead of
2735 duplicating the code. Likewise for set_offsets_for_label.
2737 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
2738 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
2739 any hard reg, reg_reloaded_dead contains valid data.
2741 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
2743 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
2744 "stdcall" and "cdecl" attributes.
2746 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
2748 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
2749 handle deleted no-op moves of hard registers.
2750 * haifa-sched.c (update_flow_info): Likewise.
2752 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
2754 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
2755 of the sequences to reload the HILO register which do not actually
2758 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
2760 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
2762 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2764 * except.c (emit_eh_context): Make the EH context register stay alive
2765 at -O0 so stupid.c doesn't get confused.
2767 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2769 * emit-rtl.c (try_split): Do not try to split a BARRIER.
2771 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
2772 Jeffrey A Law (law@cygnus.com)
2774 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
2775 (zero_extendsidi2): Use # in output template and handle completely by
2777 (zero_extend splitters): New define_splits.
2778 (ashiftrt_32): New pattern.
2780 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2782 * tree.c (append_random_chars): New fn.
2783 (get_file_function_name_long): Use it.
2785 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
2787 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
2788 (LIBCPP_OBJS): New. Add cppulp.o.
2789 (cppmain, fix-header): Depend on and use libcpp.a.
2790 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
2791 of the individual object files.
2792 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
2795 * cccp.c (user_label_prefix): New.
2796 (main): Set it off -f*leading-underscore.
2797 (special_symbol): Use it.
2798 * cpplib.c (special_symbol): Likewise.
2799 (cpp_handle_option): Handle -f*leading-underscore.
2800 * cppulp.c: New file.
2802 * output.h (user_label_prefix): Declare it.
2803 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
2804 * toplev.c (f_options, main): Handle -f*leading-underscore.
2806 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
2807 referencing USER_LABEL_PREFIX directly.
2808 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
2809 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
2810 * final.c (asm_fprintf): Use user_label_prefix instead.
2811 * arm/thumb.c (thumb_print_operand): Likewise.
2813 * gcc.c (default_compilers): Pass -f*leading-underscore on to
2814 cpp wherever appropriate.
2816 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
2818 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
2819 specific compiler switches.
2821 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
2823 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
2826 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2828 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
2829 structure which has exactly the members provided by EXTRA_SPECS.
2830 Xmalloc() the real `extra_specs', and initialize it from this
2831 intermediate structure.
2833 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
2835 * mips.h (EXTRA_SPECS): Likewise.
2837 * sparc.h (EXTRA_SPECS): Likewise.
2839 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2841 * function.c (purge_addressof_1): Instead of aborting when a
2842 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
2843 work just put the ADDRESSOF on stack. Otherwise remember all such
2844 successfull replacements, so that exactly the same replacements
2845 can be made on the REG_NOTEs. Remove the special case for CALL
2847 (purge_addressof_replacements): New variable.
2848 (purge_addressof): Clear it at end.
2850 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2852 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
2853 (lang_init): Call check_newline always.
2854 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
2855 cpp_start_read, set yy_cur and yy_lim to read from
2856 parse_in.token_buffer, so that we'll see the first #line
2858 * cpplib.c (cpp_start_read): finclude the main input file
2859 before processing -include/-imacros. Process -imacros and
2860 -include separately, and handle -include by stacking a
2861 buffer for the file in question as if it'd been #included.
2862 * toplev.c (documented_lang_options) Recognize -H when
2865 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2867 * cpplib.c: Merge do_once into do_pragma. Break file handling
2868 code out of do_include.
2869 Move append_include_chain, deps_output,
2870 file_cleanup, redundant_include_p, import_hash,
2871 lookup_import, add_import, read_filename_string, read_name_map,
2872 open_include_file, finclude, safe_read to cppfiles.c.
2873 Move prototypes for deps_output, append_include_chain,
2874 finclude to cpplib.h. Move definition of struct
2875 file_name_list there also.
2877 * cppfiles.c: New file. Contains all the above functions
2878 broken out of cpplib.c; also hack_vms_include_specification
2879 from cccp.c and find_include_file, a new function broken out of
2882 * Makefile.in (cppmain): Depend on cppfiles.o.
2883 (fix-header): Likewise.
2884 (cppfiles.o): New target.
2885 * configure.in (--enable-c-cpplib): Add cppfiles.o to
2886 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
2888 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
2890 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
2891 if pending_types is non-zero.
2892 (dwarfout_finish): Verify pending_types is zero before finishing.
2894 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
2896 * expr.c (convert_move): Use shifts to perform the move if a
2897 suitable extend pattern cannot be found. Code written by
2898 Richard Henderson <rth@cygnus.com>.
2900 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2902 * regclass.c (renumber, regno_allocated): New static variables, moved
2903 out of allocate_reg_info.
2904 (allocate_reg_info): Move these two variables outside the function.
2905 Move code to free memory into new function free_reg_info.
2906 (free_reg_info): New function, broken out of allocate_reg_info.
2907 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
2908 * rtl.h (allocate_reg_info): Don't declare.
2909 (free_reg_info): Declare.
2911 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
2913 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
2915 * toplev.c (compile_file): Temporarily revert last change.
2917 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2919 * c-typeck.c (convert_for_assignment): Parenthesize.
2921 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2923 * reload1.c (delete_output_reload): Avoid ambigous else.
2925 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
2927 * toplev.c (compile_file): Call allocate_reg_info to free register
2929 * rtl.h (allocate_reg_info): Declare.
2931 * PROJECTS: Remove entry for local spilling.
2933 * final.c (cleanup_subreg_operands): New function.
2934 (final_scan_insn): Use it.
2935 (alter_subreg): Clear the "used" field when we turn a SUBREG into
2937 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
2938 operands when reload has finished.
2939 * reload.h (cleanup_subreg_operands): Declare..
2940 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
2941 reload. Handled in reload itself.
2943 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2945 * reload1.c (verify_initial_offsets): New function.
2946 (reload): Call it after reload_as_needed. Also verify that the frame
2947 size stays constant during reload_as_needed.
2948 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
2950 * reload.h (struct insn_chain): Add need_operand_change element.
2951 * reload1.c (new_insn_chain): Clear it.
2952 (calculate_needs_all_insns): Set it; don't overload need_reload.
2953 (reload_as_needed): Use it.
2955 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
2956 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
2957 and reload_address_index_reg_class.
2958 (find_reloads_address_1): Likewise.
2959 * reload.h (reload_address_base_reg_class,
2960 reload_address_index_reg_class): Don't declare.
2961 * reload1.c (reg_old_renumber, pseudo_previous_regs,
2962 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
2963 (used_spill_regs): Now static.
2964 (reload_address_base_reg_class, reload_address_index_reg_class,
2965 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
2966 basic_block_needs, max_needs, group_size, group_mode, max_groups,
2967 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
2970 (init_reload): Delete code to compute base/index reg classes.
2971 (reload): Delete variable J.
2972 Delete code to manage basic_block_needs.
2973 Don't compute regs_explicitly_used.
2974 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
2975 pseudo_previous_regs.
2976 Initialize bad_spill_regs_global.
2977 Don't call order_regs_for_reload here.
2978 Don't initialize spill_reg_order and n_spills.
2979 Don't forbid explicitly used regs to be used for spill regs.
2980 Change main loop to infinite loop, with explicit break statements.
2981 Make SOMETHING_CHANGED variable local to that loop.
2982 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
2983 max_groups_insn, max_nongroups_insn, group_size, group_mode.
2984 Make sure spilled_speudos is cleared before calling spill_hard_reg or
2986 Don't call dump_needs.
2987 Delete code to reset potential_reload_regs.
2988 Delete code to terminate loop conditional on the global needs variables
2989 showing no further needs.
2990 (calculate_needs_all_insns): Return void. All callers changed.
2991 Initialize somehing_needs_elimination here, not in reload.
2992 Delete avoid_return_reg kludge.
2993 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
2994 All callers changed.
2995 Initialize the group_mode and group_size elements of the arg CHAIN.
2996 Delete code to manage basic_block_needs.
2997 Operate on elements of CHAIN instead of global variables.
2998 Delete avoid_return_reg kludge.
2999 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
3000 All callers changed.
3001 Operate on elements of CHAIN instead of global variables.
3002 Delete special SMALL_REGISTER_CLASSES code.
3003 Delete spill_failure code; now in new_spill_reg.
3004 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
3005 All callers changed.
3006 Operate on elements of CHAIN instead of global variables.
3007 (maybe_mark_pseudo_spilled): New static function.
3008 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
3009 All callers changed.
3010 Operate on elements of CHAIN instead of global variables.
3011 Call order_regs_for_reload here, not in reload.
3012 Initialize spill_reg_order and n_spills.
3013 Simplify test whether an asm insn is involved.
3014 Delete spill_failure code; now in new_spill_reg.
3015 Call maybe_mark_pseudo_spilled for everything marked as live in
3016 CHAIN. Merge CHAIN's used_spill_regs into the global variable
3018 (dump_needs): Take CHAIN arg. No longer static, to prevent the
3019 compiler from optimizing this function (now unused) away.
3020 Operate on elements of CHAIN instead of global variables.
3021 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
3023 Operate on elements of CHAIN instead of global variables.
3024 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
3025 take CHAIN arg. All callers changed.
3026 Operate on elements of CHAIN instead of global variables.
3027 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
3028 CHAIN, NONGROUP args. Return void. All callers changed.
3029 Verify caller isn't trying to spill a pseudo.
3030 Simplify test for illegal reg, just use bad_spill_regs.
3031 Generate better error messages.
3032 Operate on elements of CHAIN instead of global variables.
3033 Mark spilled register in CHAIN's used_spill_regs element.
3034 Don't call spill_hard_reg.
3035 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
3036 Mark spilled hard regs in bad_spill_regs_global.
3037 Mark affected pseudos in spilled_pseudos, but don't spill them.
3038 (ior_hard_reg_set): New static function.
3039 (finish_spills): Return int. All callers changed.
3040 Compute spill_reg_order, n_spills and spill_regs here. Also update
3041 regs_ever_live for regs used as spills.
3042 For every pseudo in spilled_pseudos, spill it and mark the previous
3043 hard reg it had in pseudo_previous_regs. Compute which hard regs
3044 arseudo): New static function.
3045 (order_regs_for_reload): Take CHAIN arg. All callers changed.
3046 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
3047 hard registers explicitly used across the current insn into the set.
3048 Compute hard_reg_n_uses taking only pseudos live across this insn
3050 Tweak sorting of potential_reload_regs.
3051 (compare_spill_regs): Delete function.
3052 (reload_as_needed): Don't sort the spill_regs array, it's computed
3053 in proper order in finish_spills.
3054 Delete avoid_return_reg kludge.
3055 Delete code to manage basic_block_needs.
3056 (allocate_reload_reg): Minor speed/readability tweaks.
3057 Operate on elements of CHAIN instead of global variables.
3058 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
3059 Delete avoid_return_reg kludge.
3060 Initialize reload_reg_used from CHAIN's used_spill_regs element.
3061 Delete unused label FAIL.
3062 (reload_combine): Replce reload_address_index_reg_class with
3064 Don't use used_spill_regs to determine information about lifetime of
3067 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
3069 * toplev.c (display_help): Ignore empty target specific
3070 options, and if -W is also specified on the command line then
3071 display undocumented options.
3073 * config/arm/arm.c: Updated with changes in devo sources.
3074 * config/arm/arm.h: Updated with changes in devo sources.
3075 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
3076 * config/arm/lib1thumb.asm: Add ELF support.
3078 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
3080 * collect2.c (aix64_flag): New variable.
3081 (main, case 'b'): Parse it.
3082 (GCC_CHECK_HDR): object magic number must match mode.
3083 (scan_prog_file): Only check for shared object if valid header.
3084 Print debugging if header/mode mismatch.
3086 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
3088 Added support for arm-elf-linux configuration, submitted by Philip
3089 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
3090 code developed by Catherine Moore <clm@cygnus.com>. The following
3093 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
3096 * configure: Regenerated.
3098 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
3099 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
3100 definitions conditional on their not having been already defined.
3102 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
3103 and .type directives, and add "(PLT)" qualification to function
3106 * config/arm/linux.h: Deleted. This file is now superceeded by
3107 either linux-elf.h or linux-aout.h.
3109 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
3110 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
3112 Move definitions from old linux.h file here.
3114 * config/arm/elf.h: New file. Generic ARM/ELF support.
3116 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
3118 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
3120 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
3121 using the 26bit APCS.
3123 * config/arm/unknown-elf.h: New file. Support for OS'es other
3124 than Linux with ELF.
3126 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
3129 * config/arm/coff.h: Include aout.h for basic assembler macros.
3130 Add support for -mstructure_size_boundary=<n> command line option.
3132 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
3133 command line option. Make macro definitions conditional on their
3134 not having been already defined.
3136 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
3137 command line option.
3140 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
3142 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
3143 has been changed to not include a newline. Use this macro instead.
3144 (output_enumeral_list, const_value_attribute, name_attribute,
3145 comp_dir_attribute, prototyped_attribute, producer_attribute,
3146 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
3147 dwarfout_file_scope_decl, generate_new_sfname_entry,
3148 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
3149 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
3151 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
3153 * combine.c (subst): Process the inputs to a parallel asm_operands
3156 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
3158 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
3160 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
3162 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
3164 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
3166 * version.c: Bump for snapshot.
3168 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
3170 * stmt.c (expand_fixup): Set fixup->before_jump to a
3171 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
3173 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3175 * Makefile.in (recog.o): Depend on toplev.h.
3176 (insn-emit.o): Depend on recog.h.
3177 (insn-peep.o): Depend on recog.h and insn-config.h.
3179 * combine.c (simplify_set): Remove unused variable `scratches'.
3181 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
3182 and `idx' in macro conditional controlling their use.
3184 * genemit.c (main): Make the generated output file include
3185 recog.h. Don't have it declare `insn_operand_constraint', since
3186 we get it from recog.h.
3188 * genpeep.c (main): Make the generated output file include
3189 insn-config.h and recog.h.
3191 * recog.c: Include toplev.h.
3192 (extract_insn): Remove unused variable `p'.
3194 * regclass.c (fix_register): Add missing braces around initializer
3196 (allocate_reg_info): Move variable `i' into the scope where it is
3197 used. Change its type to `size_t'.
3199 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3201 * reload.c (push_reload): When merging reloads, make sure
3202 that reload_in_reg and reload_in are from the same reload in
3205 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
3207 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
3208 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3210 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
3212 * loop.c (loop_has_tablejump): New variable.
3213 (prescan_loop): Scan for it.
3214 (insert_bct): Replace explicit scan with use of it.
3215 * regclass.c (regclass): Restore loop variable j.
3216 (record_reg_classes): Deterine op_types modifiers and initialize
3217 classes[i] before matching constraints. Handle matching
3220 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
3222 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
3225 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3227 * mips.h (EXTRA_SPECS): Add missing initializers.
3229 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3231 * sparc.h (EXTRA_SPECS): Add missing initializers.
3232 (sparc_defer_case_vector): Provide a prototype.
3234 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
3235 comparing it to the result of a pointer subtraction.
3237 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3239 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
3240 the argument to (unsigned char).
3242 * alpha.h (EXTRA_SPECS): Add missing initializers.
3243 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
3246 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
3248 * flow.c (life_analysis_1): Enable "rescan" code after reload.
3249 (propagate_block): Delete dead code after reload.
3251 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
3252 back Oct 15, 1998 change.
3253 * haifa-sched.c (update_flow_info): Likewise.
3254 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
3256 * mn10200.md (truncated shift): Accept constant inputs too.
3258 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
3260 * machmode.h (mode_mask_array): No longer const.
3261 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
3263 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3265 * frame.c: Somewhat explain `FDE'.
3266 Suggested by Brendan Kehoe
3268 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
3270 * expr.c (pending_chain): Move up.
3271 (save_expr_status): Do save pending_chain.
3272 (restore_expr_status): And restore it.
3273 * function.h (struct function): Add pending_chain.
3275 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3277 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
3278 did not match the code.
3280 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3282 * regclass.c (regclass): Break out some code into new function
3283 scan_one_insn, and into regclass_init.
3284 (init_cost): New static variable, moved out of regclass.
3285 (regclass_init): Initialize it here, not in .
3286 (scan_one_insn): New static function, broken out of regclass.
3287 * recog.c (apply_change_group): Break out some code into new
3288 function insn_invalid_p.
3289 (insn_invalid_p): New static fn, broken out of apply_change_group.
3291 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
3293 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
3294 reg_reloaded_contents matches incremented pseudo.
3296 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
3298 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3300 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
3301 addressing modes with side effects. These are currently
3302 placeholders for the C4x target.
3304 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3306 * loop.c (express_from): Make sure that when generating a PLUS of
3307 a PLUS, any constant expression appears on the outermost PLUS.
3309 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
3311 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
3312 works if "$(srcdir)" != ".".
3314 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
3316 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
3317 existing SUBREG if we can, otherwise abort.
3319 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
3321 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
3322 `restrict' is applied to a non-pointer variable.
3324 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
3326 * invoke.texi: Document -flang-isoc9x.
3328 * Makefile.in (OBJS): Add splay-tree.o.
3329 (c-common.o): Depend on rtl.h.
3330 (splay-tree.o): List dependencies and provide build rule.
3332 * rtl.h (record_alias_subset): New function.
3333 * alias.c: Include splay-tree.h.
3334 (alias_set_entry): New type.
3335 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
3336 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
3337 (mems_in_disjoin_alias_sets_p): New function.
3338 (alias_set_compare): Likewise.
3339 (insert_subset_children): Likewise.
3340 (get_alias_set_entry): Likewise.
3342 * tree.h (TYPE_RESTRICT): New macro.
3343 (TYPE_UNQUALIFIED): New manifest constant.
3344 (TYPE_QUAL_CONST): Likewise
3345 (TYPE_QUAL_VOLATILE): Likewise.
3346 (TYPE_QUAL_RESTRICT): Likewise.
3347 (tree_type): Add restrict_flag. Reduce count of free bits.
3348 (DECL_POINTER_ALIAS_SET): New macro.
3349 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
3350 (tree_decl): Add pointer_alias_set.
3351 (build_qualified_type): New function.
3352 (build_type_variant): Define in terms of build_qualified_type.
3353 * tree.c (set_type_quals): New function.
3354 (make_node): Initializae DECL_POINTER_ALIAS_SET.
3355 (build_type_attribute_variant): Use build_qualified_type and
3357 (build_type_variant): Rename, and modify, to become...
3358 (build_qualified_type): New function.
3359 (build_complex_type): Use set_type_quals.
3361 * c-tree.h (C_TYPE_OBJECT_P): New macro.
3362 (C_TYPE_FUNCTION_P): Likewise.
3363 (C_TYPE_INCOMPLETE_P): Likewise.
3364 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
3365 (c_apply_type_quals_to_decl): New function.
3366 (c_build_qualified_type): New function.
3367 (c_build_type_variant): Define in terms of c_build_qualified_type.
3368 (flag_isoc9x): Declare.
3369 * c-typeck.c (qualify_type): Use c_build_qualified_type.
3370 (common_type): Change to use TYPE_QUALS.
3371 (comptypes): Likewise.
3372 (convert_for_assignment): Likewise.
3373 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
3374 * c-decl.c (flag_isoc9x): Define.
3375 (c_decode_option): Handle -flang-isoc9x.
3376 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
3377 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
3378 * c-lex.c (init_lex): Deal with restrict.
3379 (init_lex): Don't treat restrict as a reserved word in
3380 -traditional mode, or without -flang-isoc9x.
3381 * c-lex.h (rid): Add RID_RESTRICT.
3382 * c-parse.gperf (restrict, __restrict, __restrict__): Make
3383 equivalent to RID_RESTRICT.
3384 * c-parse.in (TYPE_QUAL): Update comment.
3385 * c-common.c: Include rtl.h.
3386 (c_find_base_decl): New function.
3387 (c_build_type_variant): Rename, and modify, to become ...
3388 (c_build_qualified_type): New function.
3389 (c_apply_type_quals_to_decl): Likewise.
3390 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
3391 a particular alias set for the reference.
3392 * toplev.c (documented_lang_options): Add -flang-isoc9x.
3394 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
3396 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
3397 command line switches.
3399 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
3401 * reload.c (loc_mentioned_in_p): Add missing braces to bind
3404 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
3406 * gcc.c (option_map): Added --classpath and --CLASSPATH.
3408 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
3410 * regclass.c (fix_register): Add error message.
3411 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
3414 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3416 * c-decl.c (warn_missing_noreturn): New global variable.
3417 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
3418 (finish_function): Implement missing noreturn warning.
3420 * c-tree.h (warn_missing_noreturn): Declare extern.
3422 * invoke.texi: Document new flags.
3424 * toplev.c (documented_lang_options): Add description.
3426 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3428 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
3429 loop optimization stable for the C4x.
3430 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
3431 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
3432 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
3434 (c4x_address_conflict): Be more paranoid when packing a volatile
3435 memref in a parallel load/store.
3437 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3439 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
3440 repeat_block_filler): Deleted.
3441 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
3442 Condition code not set if destination register from 'c' class.
3443 (*subbqi3_carry_clobber): Fix typo.
3445 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3447 * reorg.c (steal_delay_list_from_target) Check for insns that
3448 modify the condition codes and effect the direction of the jump
3451 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3453 * function.c (purge_addressof_1): Replace call to
3454 emit_insns_before() with emit_insn_before().
3456 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
3458 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
3460 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3462 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3464 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3466 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3467 clobbered across calls.
3469 * loop.c (scan_loop): Be more selective about what invariants are
3470 moved out of a loop.
3472 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
3474 * version.c: Bump for snapshot.
3476 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3478 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
3479 static eh_context structure.
3481 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3483 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
3485 (try_combine): Don't update max_scratch.
3486 * flow.c (max_scratch, num_scratch): Delete variables.
3487 (life_analysis_1): Don't initialize max_scratch.
3488 (propagate_block): Don't update max_scratch.
3489 (mark_set_1): Don't increment num_scratch.
3490 * regs.h (max_scratch): Delete declaration.
3492 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
3494 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
3495 is nonzero. This is temporary!
3497 * sched.c (update_flow_info): Handle death notes made invalid by
3498 instruction splitting. Partially reverts Oct 15, 1998 patch.
3499 * haifa-sched.c (update_flow_info): Likewise.
3501 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
3503 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
3504 if it has a nonzero DECL_INITIAL.
3506 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3508 * Makefile.in (flow.o): Depend on recog.h.
3510 * cpplib.h (directive_table): Add missing initializiers.
3511 (finclude): Change type of variable `bsize' to size_t.
3513 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
3515 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
3517 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
3518 `int' when comparing against one.
3519 (cpp_file_line_for_message): Mark parameter `pfile' with
3521 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
3523 * flow.c: Include recog.h.
3524 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
3526 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
3527 `f' with ATTRIBUTE_UNUSED.
3528 (reposition_prologue_and_epilogue_notes): Likewise.
3530 * genopinit.c (gen_insn): Cast argument of ctype functions to
3533 * haifa-sched.c: Include recog.h.
3534 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
3535 comparing against one.
3537 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
3539 * mips-tfile.c (parse_end): Cast the argument of ctype function to
3541 (parse_ent): Likewise.
3542 (parse_input): Likewise.
3544 * optabs.c (init_libfuncs): Likewise.
3546 * protoize.c (find_rightmost_formals_list): Likewise.
3548 * recog.h (const_double_operand): Fix typo in prototype.
3550 * tlink.c (scan_linker_output): Cast the argument of ctype
3551 function to `unsigned char'.
3553 * toplev.c (check_lang_option): Cast the result of `strlen' to
3554 `int' when comparing against one.
3556 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3558 * gcse.c (dump_cuid_table): Correct typo.
3560 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
3562 * toplev.c (display_help): Prepend '-m' to target specific
3564 (check_lang_option): Ignore text after end of first word of a
3565 language specific option.
3567 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3569 * reload1.c (reg_used_by_pseudo): New static variable.
3570 (choose_reload_regs): Initialize it.
3571 Use it instead of testing spill_reg_order to determine whether a
3572 pseudo is live in a hard register across the current insn.
3573 Fix a typo in a reference to reload_reg_rtx.
3575 * flow.c (propagate_block): Replace code that computes and uses
3576 regs_sometimes_live with simpler code that just walks the set of
3577 currently live registers.
3579 * Makefile.in (insn-extract.o): Fix dependencies.
3580 * genextract.c (main): Generate includes for insn-config.h and
3582 Delete generation of declarations which are now in recog.h.
3583 * genrecog.c (main): Delete generation of definitions which are
3585 * local-alloc.c (block_alloc): Use extract_insn and the variables
3586 it sets up instead of looking up values by insn_code.
3587 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
3588 recog_dup_num): Define here instead of generating the definition in
3590 (recog_n_operands, recog_n_dups, recog_n_alternatives,
3591 recog_operand_mode, recog_constraints, recog_operand_address_p):
3593 (extract_insn): New function.
3594 * recog.h (extract_insn): Declare function.
3595 (which_alternative, recog_n_operands, recog_n_dups,
3596 recog_n_alternatives, recog_operand_mode, recog_constraints,
3597 recog_operand_address_p): Declare variables.
3598 * regclass.c (n_occurrences): New static function.
3599 * reload.c (n_occurrences): Delete function.
3600 (find_reloads): Use extract_insn.
3601 * reload.h (n_occurrences): Delete declaration.
3603 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
3605 * reload1.c (reload_as_needed): Fix test for when to call
3606 update_eliminable_offsets.
3608 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3610 Fix consistency problems with reg_equiv_{mem,address};
3611 Improve reload inheritance;
3613 * reload.c (reload_out_reg): New variable.
3614 (loc_mentioned_in_p, remove_address_replacements): New functions.
3615 (remove_replacements): Deleted.
3616 (push_reload): Set reload_out_reg[i].
3617 When merging, also set reload_{in,out}_reg[i], and remove
3618 duplicate address reloads.
3619 (combine_reloads): Copy reload_out_reg[i].
3620 (find_reloads): Do make_memloc substitution also when
3621 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3623 Include *recog_operand_loc in commutativity operand changes.
3624 Generate optional output reloads.
3625 Delete reference to n_memlocs. Don't set *recog_operand_loc before
3626 processing operands. Call make_memloc in reg_equiv_address code.
3627 Set *recog_operand_loc only after processing operands, and only
3628 if replace is true. Return a value.
3629 When changing address reload types for operands that didn't get
3630 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
3631 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
3632 Don't emit USEs for pseudo SUBREGs when not replacing.
3633 (find_reloads_address): Do make_memloc substitution also when
3634 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3636 (find_reloads_toplev): Likewise.
3637 Call make_memloc in reg_equiv_address code.
3638 (debug_reload_to_stream): Add code to output reload_out_reg.
3639 (make_memloc): Delete local variable i, ifdefed out code, and
3640 references to memlocs and n_memlocs.
3641 (memlocs, n_memlocs): Delete.
3642 (push_secondary_reload): Clear reload_out_reg.
3643 (find_reloads_address_1): Provide memrefloc argument to all calls
3644 to find_reloads_address.
3645 In AUTO_INC code, handle non-directly addressable equivalences properly.
3646 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
3647 (find_reloads): Add return type.
3648 (remove_address_replacements, deallocate_reload_reg): Declare.
3649 * reload1.c (num_not_at_initial_offset): No longer static.
3650 (delete_address_reloads, delete_address_reloads_1): Likewise.
3651 (deallocate_reload_reg): New function.
3652 (spill_reg_stored_to): New array.
3653 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
3654 (eliminate_regs_in_insn): Move assignments of previous_offset and
3655 max_offset fields, and recalculation of num_not_at_initial_offset
3656 into new static function:
3657 (update_eliminable_offsets) .
3658 (reload_as_needed): Call update_eliminable_offsetss after calling
3660 Call forget_old_reloads_1 with contents of reloaded auto_inc
3661 expressions if the actual addressing can't be changed to match the
3663 (choose_reload_regs): For inheritance, replace
3664 reload_reg_free_before_p test with reload_reg_used_at_all test, and
3665 remove stand-alone reload_reg_used_at_all test.
3666 Use reload_out_reg to determine which reload regs have output reloads.
3667 Treat reload_override_in more similar to inherited reloads.
3668 Handle (subreg (reg... for inheritance.
3669 For flag_expensive_optimizations, add an extra pass to remove
3670 unnecessary reloads from known working inheritance.
3671 Delete obsolete code for pseudos replaced with MEMs.
3672 Handle inheritance from auto_inc expressions.
3673 (emit_reload_insns): If reload_in is a MEM, set OLD to
3675 Don't reload directly from oldequiv; if it's a pseudo with a
3676 stack slot, use reload_in[j].
3677 Check that reload_in_reg[j] is a MEM before replacing reload_in
3678 from reg_reloaded_contents.
3679 Include non-spill registers in reload inheritance processing.
3680 Also try to use reload_out_reg to set spill_reg_store /
3681 reg_last_reload_reg.
3682 In code to set new_spill_reg_store, use single_set to find out if
3683 there is a single set.
3684 Add code that allows to delete optional output reloads.
3685 Add code to allow deletion of output reloads that use no spill reg.
3686 At the end, set reload_override_in to oldequiv.
3687 Also call delete_output_reload if reload_out_reg is equal to old
3689 Add code to call delete_output_reload for stores with no matching load.
3690 Set / use spill_reg_stored_to.
3691 Handle case where secondary output reload uses a temporary, but
3692 actual store isn't found.
3693 When looking for a store of a value not loaded in order to call
3694 delete_output_reload, count_occurences should return 0 for no
3695 loads; but discount inherited input reloadill_reg_stored_to.
3696 Do checks for extra uses of REG. Changed all
3698 Use delete_address_reloads.
3699 (reload): Take return value of find_reloads into account.
3700 If a no-op set needs more than one reload, delete it.
3701 (reload_reg_free_before_p): RELOAD_FOR_INPUT
3702 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
3703 for the same operand.
3704 (clear_reload_reg_in_use): Check for other reloads that keep a
3706 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
3707 RELOAD_FOR_OPADDR_ADDR.
3708 Take into account when an address address reload is only needed
3709 for the address reload we are considering.
3710 (count_occurrences): Use rtx_equal_p for MEMs.
3711 (inc_for_reload): Return instruction that stores into RELOADREG.
3712 New argument two, IN, and rtx. Changed all callers.
3713 (calculate_needs_all_insns, reload_as_needed):
3714 Don't clear after_call for a CLOBBER.
3715 Keep track of how many hard registers need to be copied from
3716 after_call, and don't clear after_call before we have seen
3717 that much copies, or we see a different instruction.
3719 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
3721 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
3722 after reload has completed.
3724 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
3726 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
3727 a macro name and the next token with a single blank if that whitespace
3728 is in a macro buffer and the next token is not '('.
3730 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
3732 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
3734 (skip_if_group): Ditto.
3735 (skip_to_end_of_comment): Ditto.
3737 (discard_comments): Ditto.
3738 (change_newlines): Ditto.
3740 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
3742 * c-lex.c (yylex): Fix unaligned access of wchar_t.
3744 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
3746 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
3747 (TARGET_OPTIONS): Add --help documentation.
3749 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3751 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
3753 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
3755 * fixinc/* Moved in from ../contrib directory in preparation
3756 for integrating it into the normal build process. In particular,
3757 fixinc/Makefile.in must be config-ed into the build directory
3758 as fixinc/Makefile. Proposed patches to ./Makefile.in and
3759 ./configure.in will be "in the mail" momentarily.
3761 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
3763 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
3764 accidently walk into the free list. Comment how that can happen.
3765 (invalidate): Fix indentation.
3767 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3768 Jeffrey A Law (law@cygnus.com)
3770 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
3771 reload. Never perform rescans of the insn chain after reload.
3772 (propagate_block): Do not delete insn or create new autoinc addressing
3775 * jump.c (jump_optimize): Unconditionally use the code that was
3776 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
3777 * reload1.c (reload): When reloading is finished, delete all
3778 REG_DEAD and REG_UNUSED notes.
3779 (emit_reload_insns): Delete all code that was conditional on
3780 PRESERVE_DEATH_INFO_REGNO_P.
3781 (no_longer_dead_regs): Delete variable.
3782 (reload_cse_delete_death_notes): Delete function.
3783 (reload_cse_no_longer_dead): Delete function.
3784 (reload_cse_regs_1): Delete all code to handle deletion of death
3786 (reload_cse_noop_set_p): Likewise.
3787 (reload_cse_simplify_set): Likewise.
3788 (reload_cse_simplify_operands): Likewise.
3789 (reload_cse_move2add): Likewise.
3790 * reorg.c (used_spill_regs): Delete declaration.
3791 (max_label_num_after_reload): Delete declaration.
3792 (find_dead_or_set_registers): Don't assume that spill regs are
3793 dead at a CODE_LABEL.
3794 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
3796 * sched.c (sched_analyze_insn): Likewise.
3797 (update_flow_info): Likewise.
3798 * haifa-sched.c (sched_analyze_insn): Likewise.
3799 (update_flow_info): Likewise.
3800 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
3801 * toplev.c (max_label_num_after_reload): Delete variable.
3802 (rest_of_compilation): Don't set max_label_num_after_reload.
3803 Call life_analysis after reload_cse_regs if optimizing.
3804 * config/gmicro/gmicro.h: Delete comment referring to
3805 PRESERVE_DEATH_INFO_REGNO_P.
3806 * config/i386/i386.h: Likewise.
3807 * config/m88k/m88k.h: Likewise.
3808 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
3809 * config/sh/sh.h: Likewise.
3811 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
3813 * loop.c (strength_reduce): Restore marking bct_p as
3815 * rs6000.c (optimization_options): Change #ifdef HAIFA to
3816 HAVE_decrement_and_branch_on_count.
3817 (small_data_operand): Remove TARGET_ELF condition for marking
3818 parameters ATTRIBUTE_UNUSED.
3820 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
3822 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
3823 (SELECT_SECTION): Resync with svr4.h.
3825 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
3827 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
3830 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
3832 * c-pragma.c (handle_pragma_token): Test for null tree before
3833 dereferencing TREE_CODE.
3835 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3837 * config/c4x/c4x.c: Convert to use GEN_INT.
3838 (c4x_parallel_process): Rework to handle new repeat loop structure.
3840 * config/c4x/c4x.md: Convert to use GEN_INT.
3841 (rptb_end): Convert to use GE test. Replace uses with clobbers.
3842 (decrement_and_branch_on_count): Likewise.
3844 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
3845 loop.c has the desired functionality.
3846 (rc_reg_operand): New prototype.
3848 * config/c4x/t-c4x: Can now build all front ends.
3850 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
3852 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
3854 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
3856 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
3857 * config/t-rtems: Do not install assert.h -- use newlib's.
3859 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3861 * combine.c (combine_instructions): When finished, call init_recog.
3862 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
3864 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
3866 * toplev.c: If flag_syntax_only, don't open or write assembler file.
3868 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3870 * cppalloc.c (memory_full): Mark function prototype with
3873 * demangle.h (collect_exit): Likewise.
3875 * fix-header.c (v_fatal, fatal): Likewise.
3877 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
3880 * gcov.c (print_usage): Likewise.
3882 * genattr.c (fatal, fancy_abort): Likewise.
3884 * genattrtab.c (fatal, fancy_abort): Likewise.
3886 * gencodes.c (fatal, fancy_abort): Likewise.
3888 * genconfig.c (fatal, fancy_abort): Likewise.
3890 * genemit.c (fatal, fancy_abort): Likewise.
3892 * genextract.c (fatal, fancy_abort): Likewise.
3894 * genflags.c (fatal, fancy_abort): Likewise.
3896 * genopinit.c (fatal, fancy_abort): Likewise.
3898 * genoutput.c (fatal, fancy_abort): Likewise.
3900 * genpeep.c (fatal, fancy_abort): Likewise.
3902 * genrecog.c (fatal, fancy_abort): Likewise.
3904 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
3905 __sjpopnthrow, __throw): Likewise.
3907 * objc/objc-act.c (objc_fatal): Likewise.
3909 * protoize.c (usage, aux_info_corrupted,
3910 declare_source_confusing): Likewise.
3912 * rtl.c (dump_and_abort): Likewise.
3914 * rtl.h (sets_cc0_p): Likewise.
3916 * toplev.c (float_signal, pipe_closed): Likewise.
3918 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3920 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
3921 when generating the decision tree for the general case.
3923 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
3924 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
3926 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3928 * Makefile.in (sched.o): Depend on recog.h.
3930 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
3931 (unsigned) when comparing against one.
3932 (find_base_value): Likewise.
3933 (record_base_value): Cast variable `regno' to (unsigned) when
3934 comparing against one. Cast the result of REGNO() macro to
3935 (unsigned) when comparing against one.
3936 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
3938 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
3939 variable where an unsigned index is needed.
3941 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
3942 before comparing against one.
3944 * collect2.c: Add prototypes for functions `error', `fatal' and
3945 `fatal_perror'. Make these functions take variable arguments
3946 instead of faking it with a fixed number of args.
3947 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
3950 * combine.c (can_combine_p): Mark parameter `pred' with
3952 (find_split_point): Cast variable `src' to (unsigned
3953 HOST_WIDE_INT) when comparing against one.
3954 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
3955 (simplify_logical): Likewise.
3956 (force_to_mode): Cast result of INTVAL() macro to (unsigned
3957 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
3958 HOST_WIDE_INT) in shift.
3959 (simplify_and_const_int): Cast result of INTVAL() macro to
3960 `unsigned HOST_WIDE_INT' when comparing against one.
3961 (merge_outer_ops): Cast variable const0 to `unsigned
3962 HOST_WIDE_INT' when comparing against the result of
3963 GET_MODE_MASK() macro.
3964 (simplify_comparison): Likewise for variable `c0'. Cast variable
3965 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
3966 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
3967 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
3968 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
3969 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
3970 comparing against one.
3971 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
3973 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
3974 macro to `unsigned HOST_WIDE_INT' when comparing against one.
3975 (output_block_move): Cast `sizeof' expression to (int) when
3976 comparing against one.
3977 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
3979 (save_restore_insns): Cast `base_offset' to `long' to match format
3980 specifier in fprintf.
3982 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
3983 to `enum machine_mode'.
3985 * flow.c (life_analysis_1): Remove unused variable `insn'.
3987 * gcc.c (translate_options): Move variables `j' and `k' into the
3988 scope in which they are used. Change their types to `size_t'.
3989 (set_spec): Cast the argument of ctype macro to `unsigned char'.
3990 (read_specs): Likewise.
3991 (process_command): Cast `sizeof' to (int) when comparing against one.
3992 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
3993 (handle_braces): Cast both sides of `==' expression to `long' to
3994 ensure sign matching.
3995 (main): Cast variable `i' to `int' when comparing against one.
3997 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
3998 int to size_t. Cast variable `i' to size_t when comparing against
4001 * genattrtab.c (convert_set_attr_alternative): Remove unused
4002 parameter `insn_code'. All callers changed.
4003 (convert_set_attr): Likewise.
4005 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
4006 size_t when comparing against one. Likewise for variable `len'.
4008 * global.c (global_alloc): Cast variable `max_regno' to size_t
4009 when comparing against one. Likewise for variable `max_allocno'.
4011 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
4013 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
4014 `set' with ATTRIBUTE_UNUSED.
4015 (find_free_reg): Cast `sizeof' expression to (int) when comparing
4018 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
4019 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
4020 (get_condition): Cast variable `const_val' to `unsigned
4021 HOST_WIDE_INT' when comparing against one. Cast unsigned
4022 expression to HOST_WIDE_INT when comparing against one.
4023 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
4024 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
4025 `unsigned' when comparing against one.
4027 * protoize.c (is_id_char): Change type of parameter `ch' to
4029 (munge_compile_params): Cast argument of ctype macro to (const
4031 (process_aux_info_file): Cast variable `aux_info_size' to int when
4032 comparing against one.
4033 (forward_to_next_token_char): Cast argument of ctype macro to
4034 `const unsigned char'.
4035 (edit_formals_lists): Likewise.
4036 (find_rightmost_formals_list): Likewise.
4037 (add_local_decl): Likewise.
4038 (add_global_decls): Likewise.
4039 (edit_fn_definition): Likewise.
4040 (do_cleaning): Likewise.
4041 (scan_for_missed_items): Likewise.
4042 (edit_file): Cast variable `orig_size' to (int) when comparing
4044 (main): Cast argument of ctype macro to `const unsigned char'.
4046 * recog.c (const_int_operand): Mark parameter `mode' with
4049 * regclass.c (record_reg_classes): Change type of variable `c' to
4050 `unsigned char'. Cast `char' array index to `unsigned char'.
4052 * reload.c (push_secondary_reload): Cast argument to
4053 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
4055 * reload1.c (calculate_needs): Cast `char' array index to
4057 (set_label_offsets): Change type of variable `i' to unsigned int.
4058 Cast result of XVECLEN() macro to unsigned when comparing against
4060 (mark_not_eliminable): Change type of variable `i' to unsigned.
4061 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
4062 when comparing against one.
4063 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
4064 comparing against one.
4065 (choose_reload_regs): Hide unused label `fail'.
4066 (reload_cse_simplify_operands): Cast `char' array index to
4068 (reload_combine_note_store): Mark parameter `set' with
4069 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
4071 (reload_cse_move2add): Remove unused variable `src2'.
4073 * sched.c: Include recog.h.
4074 (sched_note_set): Remove unused parameter `b'. All callers
4076 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
4077 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
4078 when comparing against one.
4080 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
4081 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
4082 comparing against one.
4084 * unroll.c (precondition_loop_p): Remove unused parameter
4085 `loop_end'. All callers changed.
4087 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4089 * reload1.c (maybe_fix_stack_asms): New static function.
4092 * reload.h (compute_use_by_pseudos): Declare.
4094 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
4095 (something_needs_reloads): Delete variable.
4096 (finish_spills): New function.
4097 (compute_use_by_pseudos): New function.
4099 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
4100 Use the reload_insn_chain instead of walking the rtl directly.
4102 (reload): Allocate and free spilled_pseudos.
4103 Ensure that all calls of spill_hard_reg are followed by a call to
4105 Use the insns_need_reload list instead of something_needs_reloads
4106 to find out if reload_as_needed must be called.
4107 Clear unused_insn_chains at the end.
4109 (calculate_needs_all_insns): Lose FIRST parameter. All callers
4111 Delete code to keep track of current basic block.
4112 Walk reload_insn_chain instead of the rtl structure. Build the
4113 insns_need_reload chain.
4114 Remember which insns need reloading/elimination by setting the
4115 appropriate fields in struct insn_chain, not by putting modes on the
4118 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
4119 arg INSN. All callers changed.
4120 Delete declaration of struct needs.
4121 Don't set something_needs_reloads.
4122 Record insn needs in the CHAIN argument.
4124 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
4126 (reload_as_needed): Lose FIRST arg. All callers changed.
4127 Walk the reload_insn_chain instead of the rtx structure.
4128 Delete code to keep track of current basic block.
4129 Rename one of the NEXT variables to OLD_NEXT.
4131 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
4133 (choose_reload_regs): Likewise.
4135 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
4138 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
4139 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
4140 (hard_regs_live, hard_regs_need_restore): Delete variables.
4141 (n_regs_saved): Now static.
4142 (referenced_regs, this_insn_sets): New variables.
4144 (setup_save_areas): Restructure the code a bit.
4146 (restore_referenced_regs): Delete function.
4147 (mark_referenced_regs): New function, similar to the old
4148 restore_referenced_regs, but mark registers in referenced_regs.
4150 (clear_reg_live): Delete function.
4151 (mark_set_regs): Renamed from set_reg_live. All callers changed.
4152 Only mark registers in this_insn_sets.
4154 (save_call_clobbered_regs): Rework this function to walk the
4155 reload_insn_chain instead of using the list of instructions directly.
4156 Delete code to keep track of register lives, compute live regs on the
4157 fly from information in the chain.
4158 Instead of calling restore_referenced_regs, use mark_referenced_regs,
4159 then walk the set it computes and call insert_restore as appropriate.
4161 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
4163 Restructure the code a bit. Test hard_regs_saved instead of
4164 hard_regs_need_restore.
4165 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
4166 args. All callers changed.
4167 Restructure the code a bit. Use TO_SAVE to determine which regs to
4168 save instead of more complicated test.
4169 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
4171 Create a new insn_chain structure for the new insn and place it
4174 * rtl.texi: Update documentation to reflect that reload no longer
4175 puts modes on the insns.
4177 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4179 * function.c (purge_addressof_1): Force the first argument of a
4180 CALL insn to memory.
4182 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
4184 * rtl.h: Delete duplicate prototypes. Add some missing
4186 * rtlanal.c: (for_each_rtx): Formatting tweak.
4188 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4190 * real.c (emdnorm and etoasc): Disable round to even for c4x target
4191 to be compatible with TI compiler.
4193 * Makefile.in (USER_H): Add va-c4x.h to definition.
4195 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
4197 * function.c (purge_addressof_1): Fix typo in inequality: do
4198 bitfield optimization for equal mode sizes.
4199 * expmed.c (store_bit_field): Don't take subregs of subregs in
4200 the movstrict case. Tidy a potential problem in the multi-word case.
4201 (extract_bit_field): Likewise.
4203 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4205 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
4207 Compute max_uid_for_flow by calling get_max_uid after the scan.
4208 (find_basic_blocks_1): Don't emit NOPs here.
4210 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
4212 * alias.c (base_alias_check): Accept new args for the modes of the
4213 two references. Use them to determine if an AND can overlap. Update
4215 (memrefs_conflict_p): Assume sizes are aligned, and uses them
4216 to determine if an AND can overlap.
4218 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
4220 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
4221 check. Add comment to document problems with TARGET_SUN_FPA version
4223 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
4225 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4227 * Makefile.in (gencheck.o): Depend on gansidecl.h.
4229 * c-common.c (print_char_table): Add missing initializers.
4230 (scan_char_table): Likewise.
4231 (time_char_table): Likewise.
4233 * c-decl.c (c_decode_option): Mark parameter `argc' with
4235 (declare_parm_level): Mark parameter `definition_flag' with
4238 * c-lex.c (readescape): Use `(unsigned)1' in shift.
4239 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
4242 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
4244 (emit_call_1): Mark parameters `fndecl' and `funtype' with
4246 (expand_call): Cast result of MIN() to (unsigned int) when
4247 comparing against an unsigned value.
4249 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
4251 (make_definition): Remove unused parameter `op'. All callers
4253 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
4254 comparing against the result of pointer arithmetic.
4256 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
4257 when comparing against one.
4259 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
4260 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
4262 (output_die): Move variable `i' into the scope in which it is
4263 used. Change its type to `unsigned'.
4264 (output_die): Cast the result of `strlen' to (int) when passing it
4265 to ASM_OUTPUT_ASCII().
4266 (output_pubnames): Likewise.
4267 (output_line_info): Likewise.
4269 * emit-rtl.c (global_rtl): Add missing initializers.
4271 * explow.c (promote_mode): Mark parameter `for_call' with
4274 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
4275 `unsigned HOST_WIDE_INT' when comparing against one.
4276 (synth_mult): Change type of variable `cost' to int.
4277 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
4279 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
4280 when comparing against one.
4281 (get_inner_reference): Change variable `alignment' to unsigned.
4282 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
4283 int) when comparing against one.
4284 (expand_builtin_setjmp): Change type of variable `i' to size_t.
4286 * fold-const.c (div_and_round_double): Cast BASE to
4287 (HOST_WIDE_INT) when comparing against one.
4289 * gencheck.c: Include gansidecl.h.
4290 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
4292 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
4293 `tcode' with ATTRIBUTE_UNUSED.
4295 * real.c (edivm): Cast constant value to (unsigned long) in
4296 expression compared against an unsigned value.
4298 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
4299 comparing against one.
4300 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
4301 when comparing against one.
4303 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
4304 (unsigned int) when comparing against one. Likewise for
4306 (smallest_mode_for_size): Likewise.
4307 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
4308 (restore_storage_status): Likewise.
4310 * toplev.c (debug_args): Add missing initializer.
4311 (f_options): Spelling correction. Add missing initializers.
4312 (documented_lang_options): Likewise.
4313 (debug_end_source_file): Mark parameter `lineno' with
4316 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
4317 `decl' and `type' with ATTRIBUTE_UNUSED.
4319 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
4320 when comparing against one.
4321 (assemble_variable): Mark parameter `top_level' with
4323 (assemble_external_libcall): Mark parameter `fun' with
4325 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
4328 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
4330 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
4331 Replace use of r5 with use of r19.
4333 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
4335 * config/v850/v850.c (compute_register_save_size): Allow for the
4336 fact that helper functions save all registers, not just those used
4339 Replace constant 31 with macro LINK_POINTER_REGNUM.
4341 * config/v850/v850.md: Use 'indirect_operand' rather than
4342 'memory_operand' for bit test/set/clear patterns.
4344 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
4346 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
4347 * varasm.c (assemble_start_function et al): Don't call
4348 ASM_GLOBALIZE_LABEL for weak symbols.
4350 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
4352 * cse.c (equiv_constant): Check for NULL return from
4353 gen_lowpart_if_possible().
4355 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
4357 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
4359 * collect2.c (main): Pass -EL/-EB through to the compiler.
4361 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4363 * expr.c (push_block): Handle targets where the stack grows
4364 to higher addresses, but args grow to lower addresses and
4365 ACCUMULATE_OUTGOING_ARGS is not defined.
4367 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
4369 * config/v850/v850.c (print_operand): Extend meaning
4370 of 'c' operands to support .vtinherit.
4372 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4374 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
4375 Added ATTRIBUTE_UNUSED to unused function arguments.
4376 (rc_reg_operand): New predicate.
4377 (c4x_rptb_insert): New function.
4378 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
4379 (c4x_optimization_options): New function.
4381 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
4382 (decrement_and_branch_on_count): New pattern.
4383 (rptb_top): Modified pattern to work with BCT optimization.
4385 * config/c4x/c4x.h (RC_REG): New register class.
4386 (rc_reg_operand): Define prototype.
4387 (IS_RC_REG): New macro.
4388 (IS_RC_OR_PSEUDO_REG): New macro.
4389 (IS_RC_OR_PSEUDO_REGNO): New macro.
4390 (OPTIMIZATION_OPTIONS): Define.
4392 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
4394 * collect2.c (extract_init_priority): No priority is 65535.
4396 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4398 * Makefile.in (build_tooldir): new variable, same as old
4399 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
4400 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
4401 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
4403 * configure.in (gxx_include_dir): set default based on unlibsubdir
4404 * Makefile.in (tooldir): ditto
4405 (cccp.o, cpplib.o): use unlibsubdir implicitly through
4406 gxx_include_dir, includedir and tooldir
4407 (protoize.o, unprotoize.o): ditto
4409 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
4411 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
4413 * config/arm/thumb.c (thumb_override_options): Add warning about
4414 PIC code not being supported just yet.
4416 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
4418 * flow.c: Update comment.
4419 (notice_stack_pointer_modification): New static function.
4420 (record_volatile_insns): Use it.
4421 (mark_regs_live_at_end): Mark the stack pointer as alive
4422 at the end of the function if current_function_sp_is_unchanging
4424 (life_analysis_1): Set current_function_sp_is_unchanging.
4425 * function.c: Define it.
4426 (init_function_start): Initialize it.
4427 * output.h: Declare it.
4428 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
4429 the stack pointer as alive at the end of the function if
4430 current_function_sp_is_unchanging is set.
4431 * i386.c (ix86_epilogue): Optimize the restoring
4432 of the stack pointer.
4434 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
4436 * version.c: Bump for snapshot.
4438 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
4440 * c-pragma.c (handle_pragma_token): If passed a token instead
4441 of a tree, use that as the pack value.
4443 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
4445 * flow.c (find_basic_blocks_1): Fix prototype.
4447 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
4449 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
4450 (struct tree_decl): New fields no_check_memory_usage.
4451 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
4452 (init_attributes): Register it as a new attribute.
4453 (decl_attributes): Set flags on functions given that attribute.
4454 * c-decl.c (duplicate_decls): Merge new attribute.
4455 * expr.h (current_function_check_memory_usage): Declare new var.
4456 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
4457 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
4458 current_function_check_memory_usage.
4459 * function.h: Add field to struct function.
4460 * function.c (current_function_check_memory_usage): Define it.
4461 (push_function_context_to, pop_function_context_from): Save and
4463 (expand_function_start): Set it, based on global flag and function
4466 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4467 check non-automatic variables, to permit detection of writes to
4468 read-only locations in embedded systems without memory management.
4469 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4470 when emitting chkr_set_right_libfunc call, even if the argument is
4471 BLKmode or variable-sized; don't abort.
4473 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
4474 symbols in Pmode, not VOIDmode.
4476 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4478 * cppexp.c: When forcing unsigned comparisons, cast both sides
4481 * cpphash.h: Move static declaration of hashtab[]...
4482 * cpphash.c: ...here.
4484 * cpplib.c: Cast difference of two pointers to size_t before
4485 comparing it to size_t. Cast signed to unsigned
4486 before comparing to size_t. (FIXME: struct argdata should use
4487 unsigned buffer sizes.)
4488 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
4489 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
4490 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
4491 size_t before comparison.
4493 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
4495 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
4496 (find_basic_blocks_1): Similarly.
4497 * output.h (find_basic_blocks): Fix prototype.
4498 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
4499 find_basic_blocks anymore.
4501 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
4503 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
4504 (sbitmap_free, sbitmap_vector_free): New macros.
4505 * output.h (rtl_dump_file): Declare.
4507 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
4509 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
4511 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4513 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
4515 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
4516 (divide): Remove unused variable `tmp'.
4517 (si_to_float): Cast numeric constant to (SItype) before comparing
4520 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
4522 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
4523 * gcc.c (add_preprocessor_option): Correct typo when allocating
4524 memory, sizeof() argument had one too many `*'.
4525 (add_assembler_option): Likewise.
4526 (add_linker_option): Likewise.
4527 * gcov.c (output_data): Likewise.
4528 * local-alloc.c (memref_used_between_p): Likewise.
4529 (update_equiv_regs): Likewise.
4530 * loop.c (strength_reduce): Likewise.
4531 * reg-stack.c (record_asm_reg_life): Likewise.
4532 (subst_asm_stack_reg): Likewise.
4533 * reorg.c (dbr_schedule): Likewise.
4535 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4537 * flow.c (life_analysis_1): Break out some functions.
4538 (find_basic_blocks_1): Likewise. Also move some variables out and
4540 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
4541 new static var nonlocal_label_list with it.
4542 (active_eh_region, nested_eh_region, label_value_list,
4543 nonlocal_label_list): New static variables.
4544 (make_edges, delete_unreachable_blocks, delete_block): New static
4545 functions, broken out of find_basic_blocks_1.
4546 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
4547 noop_move_p): New static functions, broken out of life_analysis_1.
4549 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
4551 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
4552 Take extra care for op0 now possibly being a subreg.
4553 (extract_bit_field): Likewise.
4554 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
4555 the reg to memory if there is no equal sized integral mode.
4556 * stor-layout.c (int_mode_for_mode): New function.
4557 * machmode.h: Prototype it.
4559 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
4561 * global.c (build_insn_chain): Verify no real insns exist past the
4562 end of the last basic block, then exit the loop.
4564 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4566 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
4568 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
4570 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
4572 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
4574 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
4576 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
4578 * flow.c (find_basic_blocks): Correctly determine when a call
4579 is within an exception region.
4581 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
4583 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
4585 * cpplib.h: Protect from multiple inclusions.
4586 * cpplib.c: Fix minor formatting problems.
4588 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
4590 * jump.c (jump_optimize): Revert accidental patch.
4592 * Makefile.in (cpplib.o): Use unlibsubdir.
4594 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
4596 * loop.c (get_condition): Allow combine when either compare is
4599 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
4601 * version.c: Bump for snapshot.
4603 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
4605 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
4606 (init_lex): Initialize ridpointers[RID_BYREF].
4607 * c-lex.h (enum rid): Add RID_BYREF.
4608 * c-parse.gperf: Add RID_BYREF as a type qualifier.
4609 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
4610 (encode_type_qualifiers): Similarly
4611 * c-gperf.h: Rebuilt.
4613 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
4615 * c-common.c (type_for_mode): Only return TItype nodes when
4616 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4617 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
4618 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4619 (init_decl_processing): Only create TItype nodes when
4620 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4621 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
4622 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4624 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4626 * stmt.c (n_occurrences): New static function.
4627 (expand_asm_operands): Verify that all constrains match in the
4628 number of alternatives.
4629 Verify that '+' or '=' are at the beginning of an output constraint.
4630 Don't allow '&' for input operands.
4631 Verify that '%' isn't written for the last operand.
4632 * reload.c (find_reloads): Abort if an asm is found with invalid
4633 constraints; all possible problems ought to be checked for earlier.
4635 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4637 * flags.h (flag_branch_on_count_reg): Always declare
4638 * toplev.c (flag_branch_on_count_reg): Likewise.
4639 * toplev.c: Fix typos.
4641 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
4644 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
4646 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
4648 (find_basic_blocks_1): Add a nop to the end of a basic block when
4649 a trailing call insn does not have abnormal control flow.
4650 * gcse.c (pre_transpout): New variable.
4651 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
4652 (compute_pre_transpout): Calculate it.
4653 (compute_pre_ppinout): Use it to eliminate impossible placements
4654 due to abnormal control flow through calls.
4655 (compute_pre_data): Call compute_pre_transpout.
4657 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4659 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
4661 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
4663 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
4664 and matching define_insns): Tack on a `use' of the table label, so
4665 flow analysis will recognize a tablejump.
4667 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
4669 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
4670 always end basic blocks for abnormal edge reasons.
4672 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
4674 * config/i386/i386.h: Remove definition of
4675 HANDLE_PRAGMA_PACK_PUSH_POP.
4677 * config/i386/go32.h: Add definition of
4678 HANDLE_PRAGMA_PACK_PUSH_POP.
4680 * config/i386/win32.h: Add definition of
4681 HANDLE_PRAGMA_PACK_PUSH_POP.
4683 * config/i386/cygwin32.h: Add definition of
4684 HANDLE_PRAGMA_PACK_PUSH_POP.
4686 * c-pragma.c (insert_pack_attributes): Do not insert
4687 attributes unless #pragma pack(push,<n>) is in effect.
4689 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
4691 * expr.c (emit_group_store): Handle a PARALLEL destination.
4693 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
4695 * gcse.c (pre_insert_insn): When a call ends a bb, insert
4696 the new insns before the argument regs are loaded.
4698 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4700 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
4701 (c-parse.gperf): Update comments describing invocation flags.
4702 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
4704 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
4706 * reload1.c (reload): Call free before clobbering the memory
4707 locations or constants pointers.
4709 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4711 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
4712 for efficiency by checking whether we need to modify the current
4713 stack permission at all.
4714 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
4715 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
4716 __enable_execute_stack libcall here too if
4717 TRANSFER_FROM_TRAMPOLINE is defined.
4718 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
4721 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
4723 * Makefile.in (DRIVER_DEFINES): Remove last change.
4725 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4727 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
4728 insns we're going to copy.
4729 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
4731 * loop.c (count_one_set): Add prototype.
4733 * caller-save.c (restore_referenced_regs): Lose mode argument.
4734 (insert_save): Lose mode argument.
4735 (insert_restore): Lose mode argument.
4736 (insert_one_insn): Lose mode argument.
4737 (save_call_clobbered_regs): Lose mode argument.
4738 (setup_save_areas): Take no argument and return void. All callers
4740 Don't verify validity of memory addresses.
4741 * reload.h (setup_save_ares): Adjust prototype.
4742 (save_call_clobbered_regs): Likewise.
4743 * reload1.c (delete_caller_save_insns): New function.
4744 (caller_save_spill_class): Delete variable.
4745 (caller_save_group_size): Delete variable.
4746 (reload): Call setup_save_areas and save_call_clobbered_regs
4747 in the main loop, before calling calculate_needs_all_insns.
4748 Don't call save_call_clobbered_regs after the loop.
4749 Call delete_caller_save_insns at the end of an iteration if
4751 Delete code to manage caller_save_spill_class.
4752 Emit the final note before setting reload_first_uid.
4753 Simplify test that determines whether reload_as_needed gets run.
4754 (calculate_needs): Delete code to manage caller_save_spill_class.
4756 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
4758 * collect2.c (main): Initialize ld_file_name.
4760 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
4762 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
4763 check for flag_function_sections.
4765 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4767 * cse.c (insert_regs): Fix bug in Sep 24 change.
4769 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4771 * flags.h (flag_dump_unnumbered): Declare.
4772 * toplev.c (flag_dump_unnumbered): Don't declare.
4773 * print-rtl.c (flags.h): Include.
4774 (print_rtl_single): Add return value.
4775 * rtl.h (print_rtl_single): Update declaration.
4776 * flow.c (flag_dump_unnumbered): Don't declare.
4777 (print_rtl_with_bb): Use return value of print_rtl_single.
4779 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4781 * loop.c (count_one_set): New static function, broken out of
4783 (count_loop_regs_set): Call it.
4784 * global.c (mark_reg_store): Handle clobbers here by not calling
4786 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
4787 is in fact a clobber.
4788 * integrate.c (process_reg_param): New function, broken out of
4789 expand_inline_function.
4790 (expand_inline_function): Call it.
4793 * i386.md (addsidi3_1): Delete unused variable temp.
4794 (addsidi3_2): Likewise.
4795 (clstrstrsi): Delete unused variable addr1.
4797 * rtl.h: Don't declare any functions also declared in recog.h.
4799 * Makefile.in (stupid.o): Update dependencies.
4800 (global.o): Likewise.
4802 * global.c: Include reload.h
4803 (reg_becomes_live): New function.
4804 (reg_dies): New function.
4805 (build_insn_chain): New function.
4806 (global_alloc): Call build_insn_chain before calling reload.
4808 * reload.h (struct needs): New structure definition.
4809 (struct insn_chain): Likewise.
4810 (reload_insn_chain): Declare variable.
4811 (new_insn_chain): Declare function.
4814 * reload1.c (reload_startobj): New variable.
4815 (reload_insn_chain): New variable.
4816 (unused_insn_chains): New variable.
4817 (new_insn_chain): New function.
4818 (init_reload): Initialize reload_startobj, not reload_firstobj.
4819 (reload): Initialize reload_firstobj.
4820 Before returning, free everything on the reload_obstack.
4822 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
4823 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
4824 current_chain): New variables.
4825 (reg_where_born): Delete variable.
4826 (REG_WHERE_BORN): New macro.
4827 (find_clobbered_regs): New function.
4828 (stupid_life_analysis): Don't allocate/free reg_where_born.
4829 Allocate and free reg_where_born_exact, reg_where_born_clobber,
4830 reg_where_dead_chain.
4831 Use REG_WHERE_BORN instead of reg_where_born.
4832 While processing the insns, build the reload_insn_chain with
4833 information about register lifetimes.
4834 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
4835 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
4837 Compute and information about birth and death of pseudo registers in
4838 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
4839 Delete code to set elements of reg_where_born.
4841 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4843 * tree.def (GOTO_EXPR): Modified documentation.
4844 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
4847 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
4849 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
4850 loop_final_value, loop_comparison_code): No longer static.
4851 (unroll_loop): Delete loop_start_value update.
4852 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
4853 loop_final_value, loop_comparison_code): Extern.
4854 (loop_start_value): Delete extern.
4855 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
4856 loop_comparison_value, loop_comparison_code): Delete.
4857 (loop_optimize): Remove initialization for deleted variables.
4858 (strength_reduce): Delete analyze_loop_iterations call. Only call
4859 insert_bct if flag_branch_count_on_reg set.
4860 (analyze_loop_iterations): Delete.
4861 (insert_bct): Remove iteration count calculation. Move checks for
4862 viable BCT optimization to here. Obtain iteration count from
4863 loop_iterations and correct for unrolling. Check for enough
4864 iteration to be beneficial. Comment out runtime iteration count
4866 (insert_bct): Print iteration count in dump file. Remove
4867 loop_var_mode and use word_mode directly.
4869 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
4870 * rs6000.c (rs6000_override_options): Use it.
4871 (optimization_options): Enable use of flag_branch_on_count_reg.
4872 * rs6000.md (define_function_unit): Describe 604e.
4874 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4876 * loop.c (move_movables): Corrected threshold calculation for
4877 moved_once registers.
4879 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4881 * loop.c (combine_givs_p): Fix test for identical givs.
4883 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
4885 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
4886 call abort if the function is already defined.
4888 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
4890 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
4891 truncation is not a no-op.
4893 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
4895 * version.c: Bump for snapshot.
4897 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
4899 * version.c: Bump for snapshot.
4901 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
4903 * expmed.c (expand_divmod): Don't widen for computing remainder
4904 if we seem to have a divmod pattern for needed mode.
4906 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4908 * cpplib.c (macroexpand): Correct off-by-one error in handling
4911 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
4913 * combine.c (expand_field_assignment): Don't do bitwise operations
4914 on MODE_FLOAT; pun to MODE_INT if possible.
4916 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
4917 scott snyder <snyder@d0sgif.fnal.gov>
4919 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
4920 linker. Recognize mangled names in quotes.
4922 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4924 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
4925 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
4926 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
4927 (lshrsi3_extend, lshrsi3_extend2): Ditto.
4929 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4931 * function.c (purge_addressof_1): If trying to take a sub-word
4932 integral piece of a floating point mode, put it on the stack.
4934 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
4936 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
4938 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
4940 * PROJECTS: Remove template friends.
4942 * collect2.c (sort_ids): Remove unused variable.
4944 * tm.texi (MATH_LIBRARY): Document.
4945 (NEED_MATH_LIBRARY): Remove.
4947 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
4948 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
4950 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
4952 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
4953 last_end to 0x7fffffff.
4955 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4957 * function.c (purge_addressof_1): Do not perform endianness
4958 corrections on bitpos, who we call will do it for us.
4960 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
4962 * h8300.c (WORD_REG_USED): Fix typo.
4963 (initial_offset): Use WORD_REG_USED.
4965 * h8300.c (handle_pragma): Fix typo.
4967 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4969 * caller-save.c (insert_save_restore): Break this function up
4970 into new functions insert_restore, insert_save and insert_one_insn.
4971 All callers changed.
4972 (insert_restore): New function, mostly broken out of
4973 insert_save_restore.
4974 (insert_save): Likewise.
4975 (insert_one_insn): Likewise.
4976 (restore_referenced_regs): New argument BLOCK. All callers changed.
4977 (save_call_clobbered_regs): Don't keep track of basic block boundaries
4978 in this function, do it in insert_one_insn instead.
4980 * reload1.c (reload): Break out some more pieces into separate
4982 (dump_needs): New function, broken out of reload.
4983 (set_initial_elim_offsets): Likewise.
4984 (init_elim_table): Likewise.
4985 (update_eliminables): Likewise.
4987 * global.c (global_alloc): Delete code to manage the scratch_list.
4988 * local-alloc.c (qty_scratch_rtx): Delete.
4989 (scratch_block): Delete.
4990 (scratch_list): Delete.
4991 (scratch_list_length): Delete.
4992 (scratch_index): Delete.
4993 (alloc_qty_for_scratch): Delete.
4994 (local-alloc): Update initialization of max_qty.
4995 Delete code to manage the scratch list.
4996 Delete code to allocate/initialize qty_scratch_rtx.
4997 (block_alloc): Don't allocate quantities for scratches.
4998 Delete code to manage the scratch list.
4999 * regs.h (scratch_list): Delete declaration.
5000 (scratch_block): Delete declaration.
5001 (scratch_list_length): Delete declaration.
5002 * reload1.c (reload): Delete code to manage the scratch list.
5003 (spill_hard_reg): Likewise.
5004 (mark_scratch_live): Delete.
5006 * recog.c (alter_subreg): Delete declaration.
5008 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
5010 * Makefile.in (cccp.o): Fix typo in last patch.
5012 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5014 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
5015 * config/sh/lib1funcs.asm (___set_fpscr): Add.
5017 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
5019 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
5020 NULL_RTX as an argument.
5022 * Makefile.in (unlibsubdir): Define.
5023 (DRIVER_DEFINES): Use unlibsubdir.
5024 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
5025 (stmp-fixinc): Similarly.
5027 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5029 * regmove.c (regmove_optimize): Add variable old_max_uid.
5030 At the end of the function, update basic_block_end.
5032 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5034 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
5035 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
5038 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
5040 * config/arm/arm.c: Improve interworking support.
5042 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5044 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
5045 copied from reload_out[r] .
5047 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
5049 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
5050 with more than three size ranges.
5052 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
5054 * rtl.c (mode_name): Add a null string at the end of the array.
5055 (mode_wider_mode): Change type to unsigned char.
5056 (mode_mask_array): New variable.
5057 (init_rtl): Update for mode_wider_mode type change.
5059 * rtl.h (mode_wider_mode): Change type to unsigned char.
5060 (mode_mask_array): Declare.
5061 (GET_MODE_MASK): Use mode_mask_array.
5063 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
5065 * calls.c (expand_call) : Encapsulate code into
5066 copy_blkmode_from_reg.
5067 * expr.c (copy_blkmode_from_reg): New function.
5068 * expr.h (copy_blkmode_from_reg): New function.
5069 * integrate.c (function_cannot_inline_p): We can inline
5071 (expand_inline_function): Use copy_blkmode_from_reg
5072 if needed. Avoid creating BLKmode REGs.
5073 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
5076 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
5078 * config/v850/v850.c: Add function prototypes.
5079 Add support for v850 special data areas.
5081 * config/v850/v850.h: Add support for v850 special data areas.
5083 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
5084 HANDLE_PRAGMA_PACK_PUSH_POP.
5085 (push_alignment): New function: Cache an alignment requested
5086 by a #pragma pack(push,<n>).
5087 (pop_alignment): New function: Pop an alignment from the
5089 (insert_pack_attributes): New function: Generate __packed__
5090 and __aligned__ attributes for new decls whilst a #pragma pack
5092 (add_weak): New function: Cache a #pragma weak directive.
5093 (handle_pragma_token): Document calling conventions. Add
5094 support for #pragma pack(push,<n>) and #pragma pack (pop).
5096 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
5097 are defined enable HANDLE_PRAGMA_PACK.
5098 Move 'struct weak_syms' here (from varasm.c).
5099 Add pragma states for push and pop pragmas.
5101 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
5104 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
5105 HANDLE_GENERIC_PRAGMAS.
5107 * varasm.c: Move definition of 'struct weak_syms' into
5109 (handle_pragma_weak): Deleted.
5111 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5113 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5115 * c-decl.c (start_function): Add invocation of
5116 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
5118 * tm.texi: Remove description of non-existant macro
5119 SET_DEFAULT_SECTION_NAME.
5121 (HANDLE_SYSV_PRAGMA): Document.
5122 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
5124 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
5126 * config.sub: Recognize i[34567]86-pc-udk as new target.
5127 * configure.in: Likewise.
5128 * config/i386/t-udk: New file.
5129 * config/i386/udk.h: New file.
5131 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
5133 * reorg.c (check_annul_list_true_false): Remove unused variables.
5134 (steal_delay_list_from_target): Add missing "used_annul" variable.
5135 (try_merge_delay_insns): Close out half formed comment.
5137 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5139 * cpplib.c (macroexpand): If arg->raw_before or
5140 arg->raw_after, remove any no-reexpansion escape at the
5141 beginning of the pasted token. Correct handling of whitespace
5142 markers and no-reexpand markers at the end if arg->raw_after.
5144 * toplev.c (documented_lang_options): Recognize -include,
5145 -imacros, -iwithprefix, -iwithprefixbefore.
5146 * cpplib.c (cpp_start_read): Process -imacros and -include
5147 switches at the same time and in command-line order, after
5148 initializing the dependency-output code. Emit properly nested
5149 #line directives for them. Emit a #line for the main file
5150 before processing these switches, and don't do it again
5153 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
5155 * function.c (purge_addressof_1): Use bitfield manipulation
5156 routines to handle mem mode < reg mode.
5158 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5160 * reorg.c (try_merge_delay_insns): Account for resources referenced
5161 in each instruction in INSN's delay list before trying to eliminate
5162 useless instructions. Similarly when looking at a trial insn's delay
5165 * reorg.c (check_annul_list_true_false): New function.
5166 (steal_delay_list_from_{target,fallthrough}): Call it and also
5167 refine tests for when we may annul if already filled a slot.
5168 (fill_slots_from_thread): Likewise.
5169 (delete_from_delay_slot): Return newly-created thread.
5170 (try_merge_delay_isns): Use its new return value.
5172 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
5174 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
5175 used to compute a giv or as some other non-counting use.
5177 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5179 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
5180 * local-alloc.c (find_free_reg): Use it.
5181 * global.c (find_reg): Likewise.
5182 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
5184 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
5185 * caller-save.c (init_caller_save): Use it.
5186 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
5188 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5190 * configure.in: Add --enable-cpplib option which uses cpplib
5191 for cpp, but doesn't link cpplib into cc1. Make help text
5192 capitalization consistent.
5193 * configure: Rebuilt.
5195 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
5197 * function.c (gen_mem_addressof): If the address REG is
5198 REG_USERVAR_P make the new REG be so also.
5199 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
5200 in an attempt to clarify slightly.
5202 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
5204 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
5205 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
5207 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
5209 * toplev.c: Fix last patch.
5211 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
5213 * loop.c (get_condition): Fix typo in May 9 change.
5215 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5217 * invoke.texi (-fexceptions): Merge 2 different descriptions.
5219 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5221 * toplev.c (documented_lang_options): Spelling corrections.
5223 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5225 * configure.in: new flags --with-ld and --with-as, equivalent
5226 to setting LD and AS environment variables. Test whether
5227 specified arguments are GNU commands, and report them with
5228 checking messages. Use the specified AS for configure
5231 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
5233 * gcc.c (find_a_file): when looking for `as' and `ld', return
5234 the DEFAULT program if it exists
5235 * collect2.c (main): use DEFAULT_LINKER if it exists
5237 * gcc.c (find_a_file): the test for existence of a full
5238 pathname was reversed
5240 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
5242 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
5243 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
5245 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
5247 * tree.h (TYPE_BINFO): Document.
5249 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
5251 * i386-coff.h (dbxcoff.h): Added.
5253 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
5255 * toplev.c: fix bad patch around flag_data_sections.
5257 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
5259 * reload1.c (reload): Use reload_address_index_reg_class and
5260 reload_address_base_reg_class when setting
5261 caller_save_spill_class. (Patch generated by Jim Wilson:
5264 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
5266 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
5267 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
5268 * expr.c (store_field): Add alias_set parameter. Set the
5269 MEM_ALIAS_SET accordingly, if the target is a MEM.
5270 (expand_assignment): Use it.
5271 (store_constructor_field): Pass 0.
5272 (expand_expr): Likewise.
5274 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
5276 * flags.h: Add flag_data_sections.
5277 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
5278 (compile_file): Error if flag_data_sections not supported.
5279 * varasm.c (assemble_variable): Handle flag_data_sections.
5280 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
5281 * config/mips/elf.h: Likewise.
5282 * config/mips/elf64.h: Likewise.
5283 * invoke.texi: Describe -fdata-sections.
5285 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
5287 * invoke.texi (-ffloat-store): Clarify that this option
5288 does not affect intermediate results -- only variables.
5290 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
5292 * cpp.texi: Update for Fortran usage from Craig.
5294 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5296 * rs6000.c (function_arg_boundary): Revert accidental change on
5299 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
5301 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
5302 (output_mi_thunk): Declare.
5304 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
5305 (output_function_profiler): Use r12 for temp, instead of r11 so
5306 that we preserve the static chain register.
5308 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
5310 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
5312 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5314 * sh.c (gen_shl_sext): Fix case 5.
5316 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5318 * reload1.c (reload_combine): Re-add line that got accidentally lost.
5320 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5322 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
5323 accessing variables until they are initialized via va_arg().
5325 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5327 * reload1.c (reload_combine): Initialize set before using.
5329 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
5331 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
5334 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
5336 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
5337 operand3 with mask before using it. Patch provided by Jim Wilson.
5339 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5341 * config/sparc/sparc.c (function_value): Perform the equivalent of
5342 PROMOTE_MODE for ARCH64.
5343 (eligible_for_epilogue_delay): Allow DImode operations in delay
5344 slot of a return for ARCH64.
5346 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5348 * sh.md (sqrtsf2): Fix mode of sqrt.
5350 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5352 * reload1.c (choose_reload_regs): Also try inheritance when
5353 reload_in is a stack slot of a pseudo, even if we already got a
5356 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5358 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
5359 (reload_cse_regs): New function body: call reload_cse_regs_1,
5360 reload_combine, reload_cse_move2add.
5361 When doing expensive_optimizations, call reload_cse_regs_1 a
5362 second time after reload_cse_move2add.
5363 (reload_combine, reload_combine_note_store): New functions.
5364 (reload_combine_note_use): New function.
5365 (reload_cse_move2add, move2add_note_store): New functions.
5367 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5369 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
5370 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
5372 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
5373 more than 3 such reloads.
5375 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
5376 RELOAD_FOR_X_ADDR_ADDR reload.
5378 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5380 * expr.c (store_constructor): When initializing a field that is smaller
5381 than a word, at the start of a word, try to widen it to a full word.
5383 * cse.c (cse_insn): When we are about to change a register,
5384 remove any invalid references to it.
5386 (remove_invalid_subreg_refs): New function.
5387 (mention_regs): Special treatment for SUBREGs.
5388 (insert_regs): Don't strip SUBREG for call to mention_regs.
5389 Check if reg_tick needs to be bumped up before that call.
5390 (lookup_as_function): Try to match known word_mode constants when
5391 looking for a norrower constant.
5392 (canon_hash): Special treatment for SUBREGs.
5394 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5396 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
5397 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
5398 defined, emit libcall to __enable_execute_stack. Also fix opcodes
5399 and offsets in actual stack trampoline code so they match the
5400 commentary and actually work.
5402 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5404 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
5406 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
5407 tmake_file. Set extra_parts to needed crt objects.
5408 * configure: Rebuilt.
5409 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
5410 (TARGET_DEFAULT): Set if default is v9 or ultra.
5411 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
5412 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
5413 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
5414 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
5415 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
5416 (TARGET_VERSION): Define.
5417 (MULTILIB_DEFAULT): Define.
5418 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
5419 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
5420 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
5422 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
5423 * config/sparc/sparc.c (sparc_override_options): If arch and
5424 pointer size disagree, emit diagnostic and fix it up. If
5425 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
5426 V8PLUS in 64-bit mode.
5427 * config/sparc/t-linux64: New file.
5428 * config/sparc/t-sol2-64: New file.
5429 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
5430 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
5431 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
5432 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
5433 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
5434 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
5436 (STARTFILE_SPEC): Set approriately based upon those.
5437 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
5438 disposition of DEFAULT_ARCH32_P.
5439 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
5440 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
5441 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
5442 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
5443 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
5445 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
5447 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
5449 * rtl.h (init_virtual_regs): New function.
5450 * emit-rtl.c (init_virtual_regs): Define.
5451 (insn_emit): Use it.
5452 * integrate.c (save_for_inline_copying): Likewise.
5454 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
5456 * config/arm/thumb.h: The following patches were made by Jim Wilson:
5457 (enum reg_class): Add NONARG_LO_REGS support.
5458 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5459 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
5460 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
5461 completes. Re-enable HImode REG+OFFSET addresses.
5462 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5464 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5466 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5468 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5469 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5470 (alpha_align_insns): Properly calculate initial offset wrt max_align.
5472 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
5474 * arm.c (find_barrier): Revert change of Apr 23. Handle table
5475 jumps as a single entity, taking into account the size of the
5478 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5480 * tree.def (SWITCH_EXPR): New tree node definition.
5482 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
5484 * version.c: Bump for snapshot.
5486 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
5488 * version.c: Bump for snapshot.
5490 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
5492 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
5495 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
5497 * Revert this patch.
5498 * reload.c (find_reloads): Do not replace a pseudo with
5499 (MEM (reg_equiv_addr)) in the initializing insn for the
5502 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
5504 * final.c (final_scan_insn): Disable tracking CC across branches.
5506 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5508 * expr.h (eh_rtime_match_libfunc): New extern declaration.
5509 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
5510 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
5511 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
5512 NULL. Only include <stdio.h> if inhibit_libc is not defined.
5514 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
5516 * toplev.c (rest_of_compilation): Skip compiling anything with
5517 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
5519 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
5521 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
5522 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
5523 use in_libcall_block.
5524 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
5525 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
5528 Mon Sep 21 14:02:23 1998
5530 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
5531 typo in no-fancy-math-387 description.
5533 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
5535 * version.c: Bump for snapshot.
5537 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
5539 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
5541 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
5543 * i386.h: (TARGET_SWITCHES) Add description fields for flags
5544 documented in install.texi.
5545 (TARGET_OPTIONS) Likewise.
5547 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
5549 * version.c: Bump for snapshot.
5551 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
5553 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
5554 * cccp.c (main): Likewise.
5556 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
5557 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
5560 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
5562 * Makefile.in (LIBS): Link in libiberty.a.
5563 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
5565 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
5567 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
5568 it to update bb boundaries. Update caller.
5569 * function.c (reposition_prologue_and_epilogue_notes): Update
5570 bb boundaries wrt the moved note.
5572 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
5574 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
5576 * configure: Regenerate.
5578 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
5580 * alpha.c (alpha_sr_alias_set): New variable.
5581 (override_options): Set it.
5582 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
5583 (mode_mask_operand): Fix signed-unsigned comparision warning.
5584 (alpha_expand_block_move): Likewise.
5585 (print_operand): Likewise.
5586 (get_aligned_mem): Use change_address.
5587 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
5588 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
5589 (alphaev4_next_nop, alphaev5_next_nop): New functions.
5590 (alpha_align_insns): Remade from old alphaev5_align_insns
5591 to handle multiple processors.
5592 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
5593 * output.h (label_to_alignment): Prototype.
5595 * tree.c (new_alias_set): New function.
5596 * tree.h (new_alias_set): Declare it.
5597 * c-common.c (c_get_alias_set): Use it.
5599 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
5601 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
5602 to an ABS expr, convert an unsigned input to signed.
5604 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
5606 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
5608 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5610 * configure.in: Add support for c4x targets.
5611 * configure: Rebuilt.
5613 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
5615 * combine.c (distribute_notes): If an insn is a cc0 user, only
5616 delete it if we can also delete the cc0 setter.
5618 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
5620 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
5621 (invert_truthvalue): Enable truthvalue inversion for
5622 floating-point operands if -ffast-math.
5624 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
5626 * configure.in: Disable collect2 for nextstep. Instead use
5628 * configure: Rebuilt.
5629 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
5630 (ENDFILE_SPEC): Define.
5631 (OBJECT_FORMAT_MACHO): Define.
5632 (EH_FRAME_SECTION_ASM_OP): Define.
5633 * crtstuff.c: Handle MACHO.
5635 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
5637 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
5639 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
5641 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
5642 (_fpadd_parts): Get sign right for 0.
5644 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5646 * ginclude/varargs.h: Add support for C4x target.
5647 * ginclude/stdargs.h: Likewise.
5649 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
5651 * alpha.c (alpha_return_addr): SET should be VOIDmode.
5652 (alpha_emit_set_long_const): Rewrite to be callable from reload
5654 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
5655 * alpha.md (movdi): Likewise.
5657 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
5659 * arm.c (add_constant): New parameter address_only, change caller.
5660 Set it non-zero if taking the address of an item in the pool.
5661 (arm_reorg): Handle cases where we need the address of an item in
5664 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
5666 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
5667 memory addresses that are not in standard canonical form.
5669 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
5671 * README.C4X: New file with information about the c4x ports.
5672 * ginclude/va-c4x.h: New file for c4x varargs support.
5673 * config/c4x: New directory with c4x port files.
5675 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
5677 * reload.c (find_reloads): Do not replace a pseudo with
5678 (MEM (reg_equiv_addr)) in the initializing insn for the
5681 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
5683 * toplev.c (rest_of_compilation): Set bct_p on second call to
5685 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
5687 (strength_reduce): Only call analyze_loop_iterations and
5688 insert_bct if bct_p set.
5689 (check_dbra_loop): Fix typo.
5690 (insert_bct): Use word_mode instead of SImode.
5691 (instrument_loop_bct): Likewise. Do not delete iteration count
5692 condition code generation insn. Initialize iteration count before
5694 * rtl.h (loop_optimize): Update prototype.
5696 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
5697 not doubleword aligned.
5699 * rs6000.c (optimization_options): New function.
5700 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
5701 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
5702 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
5703 first; cr1 can be used for FP record condition insns.
5705 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
5707 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
5710 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
5713 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
5715 (block_move_call): New function: Call a library routine to copy a
5717 (m32r_expand_block_move): New function: Expand a "movstrsi"
5718 pattern into a sequence of insns.
5719 (m32r_output_block_move): New function: Expand a
5720 "movstrsi_internal" pattern into a sequence of assembler opcodes.
5721 (m32r_block_immediate_operand): New function: Return true if the
5722 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
5724 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5726 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
5728 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
5730 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5732 * regmove.c (copy_src_to_dest): Check that modes match.
5734 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
5736 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
5738 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
5740 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
5741 narrower than FLOAT_REGS.
5743 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5745 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
5747 * Makefile.in (old_gxx_include_dir): removed
5749 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
5751 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
5754 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
5755 (sh_handle_pragma): Change function arguments to match new
5756 specification for HANDLE_PRAGMA.
5758 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5760 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
5762 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
5763 When generating output, initialize missing struct member to zero.
5765 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5767 * regmove.c (copy_src_to_dest): Don't copy if that requires
5768 (a) new register(s).
5770 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5772 * global.c (reg_allocno): Now static.
5773 * reload1.c (reg_allocno): Delete declaration.
5774 (order_regs_for_reload): Take no arguments. Don't treat regs
5775 allocated by global differently than those allocated by local-alloc.
5777 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
5779 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
5780 condition, fix format strings.
5781 (output_function_epilogue): Likewise.
5783 * m68k/m68k.c: Don't include <stdlib.h> directly.
5785 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
5787 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
5788 mem_first_set, mem_last_set; because 0 can be a CUID.
5789 (oprs_unchanged_p): Use new definition.
5790 (record_last_reg_set_info): Likewise.
5791 (record_last_mem_set_info): Likewise.
5792 (compute_hash_table): Likewise.
5794 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
5796 * rs6000.c (output_epilogue): Handle Chill.
5798 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5799 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5801 * combine.c (make_extraction): If no mode is specified for
5802 an operand of insv, extv, or extzv, default it to word_mode.
5803 (simplify_comparison): Similarly.
5804 * expmed.c (store_bit_field): Similarly.
5805 (extract_bit_field): Similarly.
5806 * function.c (fixup_var_regs_1): Similarly.
5807 * recog.c (validate_replace_rtx_1): Similarly.
5808 * mips.md (extv, extzv, insv expanders): Default modes for most
5809 operands. Handle TARGET_64BIT.
5810 (movdi_uld, movdi_usd): New patterns.
5812 * pa.c (emit_move_sequence): Do not replace a pseudo with its
5813 equivalent memory location unless we have been provided a scratch
5814 register. Similarly do not call find_replacement unless a
5815 scratch register has been provided.
5817 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5819 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
5822 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
5824 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
5825 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
5826 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
5827 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
5828 * c-decl.c (init_decl_processing): Update accordingly.
5829 * expr.c (expand_builtin): Likewise.
5831 * rtl.h (global_rtl): Add cfa entry.
5832 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
5833 (LAST_VIRTUAL_REGISTER): Update.
5834 * emit-rtl.c (global_rtl): Add cfa entry.
5835 (init_emit): Initialize it.
5836 * function.c (cfa_offset): New.
5837 (instantiate_virtual_regs): Initialize it.
5838 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
5839 (expand_function_end): Call expand_eh_return.
5840 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
5842 * except.c (current_function_eh_stub_label): Kill.
5843 (current_function_eh_old_stub_label): Likwise; update all references.
5844 (expand_builtin_set_return_addr_reg): Kill.
5845 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
5846 (expand_builtin_set_eh_regs): Kill.
5847 (eh_regs): Produce a third reg for the actual handler address.
5848 (eh_return_context, eh_return_stack_adjust): New.
5849 (eh_return_handler, eh_return_stub_label): New.
5850 (init_eh_for_function): Initialize them.
5851 (expand_builtin_eh_return, expand_eh_return): New.
5852 * except.h: Update prototypes.
5853 * flow.c (find_basic_blocks_1): Update references to the stub label.
5854 * function.h (struct function): Kill stub label elements.
5856 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
5857 register number is one that would be in the previous window.
5858 Provide a dummy definition for non-windowed targets.
5859 (get_reg_addr): New function.
5860 (get_reg, put_reg, copy_reg): Use it.
5861 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
5862 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
5864 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
5865 (alpha_init_expanders): Initialize it.
5866 (alpha_expand_epilogue): Use it.
5867 * alpha.h: Declare it.
5868 * alpha.md (eh_epilogue): New.
5870 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
5871 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
5873 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
5875 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
5878 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5880 * except.h (struct eh_entry): Add false_label field.
5881 (end_catch_handler): Add prototype.
5882 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
5883 (start_catch_handler): When using old style exceptions, issue
5884 runtime typematch code before continuing with the handler.
5885 (end_catch_handler): New function, generates label after handler
5886 if needed by older style exceptions.
5887 (expand_start_all_catch): No need to check for new style exceptions.
5888 (output_exception_table_entry): Only output the first handler label
5889 for old style exceptions.
5890 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
5891 mechanism into one function, if a runtime matcher is provided.
5893 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5895 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
5897 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
5899 * integrate.c (copy_decl_list): Fix typo.
5901 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5903 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
5906 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
5908 * version.c: Bump for snapshot.
5910 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
5912 * version.c: Bump for snapshot.
5914 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
5916 * version.c: Bump for snapshot.
5918 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5920 * invoke.texi (C Dialect Options): Put back missing @end itemize.
5922 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5924 * configure.in: remove usage of `!' to negate the result of a
5925 command; some common shells do not support it
5927 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5929 * configure.in: in sparc9-sol2 config, use 'if test' not
5931 * configure: Rebuilt.
5933 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
5935 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
5936 (CPP_CPU_DEFAULT_SPEC): Likewise.
5937 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
5938 for arch64 libfuncs.
5940 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
5943 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5945 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
5947 * collect2.c: Don't declare `sys_siglist' here.
5948 (my_strsignal): Prototype and define new function. Use it in
5949 place of `sys_siglist' hacks.
5951 * mips_tfile.c: Likewise.
5953 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
5954 (GCC_NEED_DECLARATIONS): Likewise.
5956 * system.h (strsignal): Prototype it, if necessary.
5957 (sys_siglist): Declare it, if necessary.
5959 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5961 * loop.c (move_movables): While removing insn sequences, preserve
5962 the next pointer of the most recently deleted insn when we skip
5965 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
5967 * objc/config-lang.in: Do not output the name of the selected
5968 thread file when building the front-end. The Makefile for the
5969 runtime library will do this.
5971 * objc/Make-lang.in: Do not build the runtime library or install
5972 the Objective C header files. The Makefile for the runtime
5973 library will do this.
5975 * objc/Makefile.in (all.indirect): Only build the front-end.
5976 (compiler): Rename to `frontend'.
5977 (obj-runtime): Remove target.
5978 (copy-headers): Likewise.
5979 (clean): No need to remove `libobjc.a' any longer.
5981 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
5983 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
5984 supported with -mcpu=xxx.
5986 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5988 * flow.c (mark_set_1): Recognize multi-register structure return
5989 values in CALL insns.
5990 (mark_used_regs): Likewise.
5991 (count_reg_sets_1): Likewise.
5992 (count_reg_references): Likewise.
5993 * rtlanal.c (note_stores): Likewise.
5994 (reg_overlap_mentioned_p): Likewise.
5995 * haifa-sched.c (check_live_1): Likewise.
5996 (update_live_1): Likewise.
5997 (sched_analyze_1): Likewise.
5998 (sched_note_set): Likewise.
5999 (birthing_insn_p): Likewise.
6000 (attach_deaths): Likewise.
6002 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
6005 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
6007 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
6009 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6011 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
6013 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6015 * configure.in: Add check for GAS subsection -1 support.
6016 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
6017 * configure config.in: Rebuilt.
6018 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
6019 SImode is subsection -1 works, else use DImode.
6020 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
6021 subsection -1 works.
6022 * config/sparc/sparc.c (sparc_output_addr_vec,
6023 sparc_output_addr_diff_vec): Use them if defined.
6025 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
6027 * tree.h (DECL_ORIGIN): New macro.
6028 * integrate.c (copy_and_set_decl_abstract_origin): New function.
6029 (copy_decl_list): Use it.
6030 (integrate_parm_decls): Likewise.
6031 (integrate_decl_tree): Likewise.
6032 * dwarf2out.c (decl_ultimate_origin): Simplify.
6033 * dwarfout.c (decl_ultimate_origin): Likewise.
6034 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
6035 (pushdecl): Likewise.
6037 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
6039 * config/rs6000/rs6000.c (output_epilog): Add Java support.
6041 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
6043 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
6045 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
6047 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
6048 empty or has a single entry.
6050 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
6051 before calling reg_to_stack.
6053 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
6055 * alpha.c (alphaev5_insn_pipe): Abort on default case.
6056 (alphaev5_next_group): Swallow CLOBBERs and USEs.
6058 * c-tree.h (warn_long_long): Declare it.
6060 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
6062 * emit-rtl.c (gen_lowpart_common): Disable optimization of
6063 initialized float-int union if the value is a NaN.
6065 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
6067 * c-lex.c (real_yylex): Don't warn about long long constants if
6068 we're allowing long long
6070 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6072 * except.h (current_function_eh_stub_label): Declare.
6073 (current_function_eh_old_stub_label): Declare.
6074 * function.h (struct function): New members eh_stub_label and
6076 * except.c (current_function_eh_stub_label): New variable.
6077 (current_function_eh_old_stub_label): New variable.
6078 (init_eh_for_function): Clear them.
6079 (save_eh_status): Save them.
6080 (restore_eh_status): Restore them.
6081 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
6082 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
6083 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
6084 make an edge from the block that contains it to the block starting
6085 with the label if this label is one of the eh stub labels.
6086 If eh stub labels exist, show they are reachable from the last block
6089 * reload1.c (reload): Break out several subroutines and make some
6091 (calculate_needs_all_insns): New function, broken out of reload.
6092 (calculate_needs): Likewise.
6093 (find_reload_regs): Likewise.
6094 (find_group): Likewise.
6095 (find_tworeg_group): Likewise.
6096 (something_needs_reloads): New global variable, formerly in reload.
6097 (something_needs_elimination): Likewise.
6098 (caller_save_spill_class): Likewise.
6099 (caller_save_group_size): Likewise.
6100 (max_needs): Likewise.
6101 (group_size): Likewise.
6102 (max_groups): Likewise.
6103 (max_nongroups): Likewise.
6104 (group_mode): Likewise.
6105 (max_needs_insn): Likewise.
6106 (max_groups_insn): Likewise.
6107 (max_nongroups_insn): Likewise.
6108 (failure): Likewise.
6110 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
6112 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
6114 * loop.c (load_mems): Copy rtx for output mem.
6116 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
6118 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
6119 mips1 or mips2 either.
6121 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
6123 * pa.c (pa_reorg): New marking scheme for jumps inside switch
6125 (pa_adjust_insn_length): Update to work with new marking scheme
6126 for jumps inside switch tables.
6127 * pa.md (switch_jump): Remove pattern.
6128 (jump): Handle jumps inside jump tables.
6130 * Makefile.in (profile.o): Depend on insn-config.h
6132 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
6134 * iris6.h (DWARF2_UNWIND_INFO): Undef.
6136 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6138 Add preliminary native sparcv9 Solaris support.
6139 * configure.in: Recognize sparv9-*-solaris2*
6140 * configure: rebuilt
6141 * config.sub: Recognize sparcv9 just like sparc64.
6142 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
6143 config/sparc/sol2-cn.asm: Macroize so it can be shared between
6144 32-bit and 64-bit Solaris systems.
6145 * config/sparc/t-sol2: Assemble those with cpp.
6146 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
6147 (*TF*_LIBCALL): If ARCH64 use V9 names.
6148 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
6150 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6152 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
6153 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
6155 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
6157 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
6158 to Pmode if CASE_VECTOR_MODE is something else.
6160 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
6162 * prefix.c (update_path): Correctly handle cases where PATH is
6163 a substring of the builtin prefix, but specifies a different
6166 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
6168 * expr.c: Corrected comment about what MOVE_RATIO does.
6169 * config/alpha/alpha.h: Ditto.
6170 * config/1750a/1750a.h: Ditto.
6171 * config/clipper/clipper.h: Ditto.
6172 * config/i386/i386.h: Ditto.
6174 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
6176 * configure.in (m68k-next-nextstep3*): Use collect2.
6177 Similarly for x86 NeXT configurations.
6178 * configure: Rebuilt.
6180 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
6182 * configure.in: Don't assume srcdir is .../gcc
6183 * configure: Rebuilt.
6185 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
6187 * global.c: Update comments.
6188 (global_alloc): Assign allocation-numbers
6189 even for registers allocated by local_alloc in case
6190 they are later spilled and retry_global_alloc is called.
6191 (mark_reg_store, mark_reg_clobber,
6192 mark_reg_conflicts, mark_reg_death): Always record a
6193 conflict with a pseudo register even if it has been
6194 assigned to a hard register.
6195 (dump_conflicts): Don't list pseudo registers already assigned to
6196 a hard register as needing to be allocated, but do list their
6198 * local-alloc.c: Update comment.
6200 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
6202 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
6203 * configure: Rebuilt.
6205 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
6207 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
6209 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
6210 for all targets that set -msoft-float.
6212 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6214 * toplev.c (print_switch_values): Make static to match prototype.
6216 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
6218 * configure.in: If we are unable to find the "gnatbind" program,
6219 then do not configure the ada subdir.
6220 * configure: Rebuilt.
6222 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
6224 * version.c: Bump for snapshot.
6226 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
6228 * version.c: Bump for snapshot.
6230 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6232 * Makefile.in (toplev.o): Depend on $(EXPR_H).
6233 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
6235 * gansidecl.h: Define ATTRIBUTE_NORETURN.
6237 * genattrtab.c: Have insn-attrtab.c include toplev.h.
6239 * genextract.c: Have insn-extract.c include toplev.h.
6241 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
6243 * toplev.c: Include expr.h.
6244 (really_sorry, fancy_abort): Remove prototypes.
6245 (set_target_switch): Add argument in prototype.
6246 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
6247 (v_really_sorry): Likewise.
6248 (print_version, print_single_switch, print_switch_values): Make
6249 static and add prototype arguments.
6250 (decl_printable_name): Add prototype arguments.
6251 (lang_expand_expr_t): New typedef.
6252 (lang_expand_expr): Declare as a lang_expand_expr_t.
6253 (incomplete_decl_finalize_hook): Add prototype argument.
6254 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
6255 (botch): Likewise for variable `s'.
6256 (rest_of_type_compilation): Mark variables `type' and `toplev'
6257 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
6258 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
6259 (display_help): Make variable `i' an `unsigned long'.
6260 (main): Remove unused parameter `envp'.
6261 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
6262 Cast -1 when comparing it with a `size_t'.
6264 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
6265 prototype with ATTRIBUTE_NORETURN.
6266 (fatal_insn_not_found, fatal_insn, really_sorry,
6267 push_float_handler, pop_float_handler): Add prototypes.
6268 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
6269 (do_abort, botch): Add prototypes.
6271 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
6273 * final.c (final): If a label is reached only from a single jump,
6274 call NOTICE_UPDATE_CC on the jump and its predecessor before
6275 emitting the insn after the label.
6277 * i386.h: Add AMD K6 support.
6278 Change TARGET_* macros to use table lookup.
6279 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
6280 (ADJUST_COST): Change definition to call function in i386.c.
6281 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
6282 * i386.c: Add AMD K6 support.
6283 Add constants for feature tests used by TARGET_* macros.
6284 (split_di): If before reload, call gen_lowpart and gen_highpart.
6285 (x86_adjust_cost): New function.
6286 (put_jump_code): New function.
6287 (print_operand): New codes 'D' and 'd'.
6288 * i386.md: New insn types. New insn attribute "memory".
6289 Redefine scheduling parameters to use new types and add AMD K6
6290 support. Explicitly set type of most insns.
6291 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
6292 Pro and K6 prefer movl $1,reg to incl reg.
6293 (adddi3, subdi3): Set cc_status.
6294 (DImode shift patterns): Change label counters from HOST_WIDE_INT
6295 to int; x86 can't have more than 2^31 DImode shifts per file.
6296 (setcc): Combine all setcc patterns. Allow writing memory.
6297 Combine all jump patterns using match_operator.
6298 (*bzero): Name pattern. Emit mutliple stos instructions when that
6299 is faster than rep stos.
6300 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
6303 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
6305 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
6308 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
6310 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
6311 not whatever we're generating now.
6313 * alpha.c (set_frame_related_p, FRP): New.
6314 (alpha_expand_prologue): Mark frame related insns.
6315 (alpha_expand_epilogue): Likewise, but with a null FRP.
6316 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
6317 * alpha.md (exception_receiver): New.
6318 * alpha/crtbegin.asm (.eh_frame): New beginning.
6319 (__do_frame_setup, __do_frame_takedown): New.
6320 * alpha/crtend.asm (.eh_frame): New ending.
6321 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
6322 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
6323 (ASM_FILE_START): Don't emit .file for dwarf2.
6325 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
6326 * rtl.c (reg_note_name): Likewise.
6327 * rtl.texi (REG_NOTES): Likewise.
6328 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
6331 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
6333 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
6334 * i386.md (movsf, movdf, movxf): Validate memory address returned
6335 from force_const_mem. Kill useless REG_EQUAL setting code.
6337 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
6339 * m68k.md (zero_extendsidi2): Fix typo.
6341 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
6343 * configure.in: Removed references to the removed file
6344 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
6345 * arm*-*-netbsd* and ns32k-*-netbsd*.
6346 * config/i386/xm-netbsd.h: Removed unnecessary file.
6347 * config/m68k/xm-netbsd.h: Likewise.
6348 * config/sparc/xm-netbsd.h: Likewise.
6349 * config/mips/xm-netbsd.h: Likewise.
6351 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
6353 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
6354 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
6356 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
6357 for exact section attributions.
6359 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
6361 * i386/crtdll.h (CPP_PREDEFINES): Define.
6363 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
6365 * m68k.md (5200 movqi): Do not allow byte sized memory references
6367 * m68k.c (output_move_qimode): Do not use byte sized operations on
6370 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
6371 explicit rules for building. Similarly for alloca, vfprintf,
6372 choose-temp and mkstemp, getopt, getopt1, and obstack.
6373 (INCLUDES): Add $(srcdir)/../include.
6374 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
6375 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
6377 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
6379 * gcc.c (do_spec_1): [case 'o'] Account for
6380 lang_specific_extra_outfiles.
6381 (main): Correctly clear all slots in outfiles for
6382 lang_specific_extra_outfiles. Set input_file_number before
6383 calling lang_specific_pre_link.
6385 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
6387 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
6389 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6391 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
6393 (sparc_output_deferred_case_vectors): If no work to do, return.
6394 Fix thinko in Sept 1 change.
6396 1998-09-03 SL Baur <steve@altair.xemacs.org>
6398 * Makefile.in: add semicolon in BISON definition for portability.
6400 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6402 * config/nextstep.c (handle_pragma): Correct name of third
6405 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
6407 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
6408 * config/m32r/m32r.h: Make register 17 be fixed.
6409 * config/m32r/m32r.c: Use SImode for cc operations.
6411 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
6413 * invoke.texi (Warning Options): Add -Wnon-template-friend
6416 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
6418 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
6420 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
6422 * rs6000.md (movsf): Disable explicit secondary-reload-like
6423 functionality if TARGET_POWERPC64.
6424 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
6427 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
6429 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
6430 and term.h from fixinc.wrap.
6432 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6434 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
6435 safe to include both string.h and strings.h together.
6436 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
6437 which headers to search for function declarations. Continue to
6438 prefer string.h over strings.h when both are not acceptable.
6440 * acconfig.h (STRING_WITH_STRINGS): Add stub.
6442 * configure.in: Call GCC_HEADER_STRING.
6444 * system.h: Test STRING_WITH_STRINGS when deciding which headers
6445 to include. Continue to prefer string.h over strings.h when both
6448 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6450 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
6451 not assume top 32-bits of symbolic addresses are zero if
6454 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
6456 * ginclude/va-alpha.h: Protect entire second portion of the
6457 file against double inclusion.
6459 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
6461 Added support for the Boehm's garbage collector.
6462 * configure.in: Handle --enable-objc-gc.
6463 * configure: Rebuilt.
6464 * Makefile.in (CHECK_TARGETS): Add check-objc.
6465 (check-objc): New rule.
6466 * objc/Make-lang.in: Build a different Objective-C library that
6467 runs with the Boehm's collector.
6468 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6469 * objc/encoding.c: Correctly compute the size of compound types in
6470 the presence of bitfields. Skip the variable name of the type if
6471 any. Added support for long long.
6472 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
6473 (_F_GCINVISIBLE): New mask.
6474 * objc/gc.c: New file. Compute the type memory mask associated with
6475 a class based on the runtime information.
6476 * objc/misc.c: Added the hooks that use the Boehm's collector
6477 allocation functions.
6478 * objc/objc-act.c (build_class_template): Generate a new class
6479 member (gc_object_type) to hold the class' type memory mask.
6480 (build_shared_structure_initializer): Initialize the new member to
6482 (encode_complete_bitfield): New function. Generate the new
6484 (encode_field_decl): Generate the new encoding only for the GNU
6486 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
6488 (class_get_gc_object_type): New function to mark a pointer instance
6489 variable as a weak pointer.
6490 * objc/objc-features.texi: New file.
6491 * objc/objc.h (gc_object_type): New class member.
6492 * objc/objects.c (class_create_instance): Create a typed memory
6493 object when compiled with Boehm's collector support.
6494 * objc/sendmsg.c (__objc_init_install_dtable): Call
6495 __objc_send_initialize instead of setting the initialize flag.
6496 (__objc_send_initialize): Call __objc_generate_gc_type_description
6497 to generate the class type memory mask. Rewrite the code that
6498 sends the +initialize so that it is called only once (bug report
6499 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
6500 * testsuite/objc: New testsuite for Objective-C type encoding.
6501 * testsuite/lib/objc-torture.exp: New file.
6502 * testsuite/lib/objc.exp: New file.
6504 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
6506 * jump.c (jump_optimize): In if/then/else transformations, add
6507 another call to modified_between_p for the jump insn.
6509 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
6511 * fix-header.c (symlink): Treat like readlink.
6513 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6515 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
6518 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
6520 * config/nextstep.h: Update HANDLE_PRAGMA macro.
6521 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
6522 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
6524 * config/nextstep.c (handle_pragma): Take three arguments, as per
6525 the new HANDLE_PRAGMA macro specification.
6526 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
6527 per the new HANDLE_PRAGMA macro specification.
6528 * config/i960/i960.c (process_pragma): Take three arguments, as
6529 per the new HANDLE_PRAGMA macro specification.
6531 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
6533 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
6534 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
6535 if unknown pragmas are encountered.
6536 (handle_sysv_pragma): Interpret return code from
6537 handle_pragma_token (). Return success/failure indication rather
6538 than next unprocessed character.
6539 (pragma_getc): New function: retrieves characters from the
6540 input stream. Defined when HANDLE_PRAGMA is enabled.
6541 (pragma_ungetc): New function: replaces characters back into the
6542 input stream. Defined when HANDLE_PRAGMA is enabled.
6544 * c-pragma.c (handle_pragma_token): Return success/failure status
6547 * c-pragma.h: Change prototype of handle_pragma_token().
6549 * varasm.c: (handle_pragma_weak): Only create this function if
6550 HANDLE_PRAGMA_WEAK is defined.
6552 * c-common,c (decl_attributes): If defined call the expression
6553 contained within the INSERT_ATTRIBUTES macro before adding
6554 attributes to a decl.
6556 * tm.texi (HANDLE_PRAGMA): Document the new verion of
6557 HANDLE_PRAGMA, which takes three arguments.
6558 (INSERT_ATTRIBUTES): Document this new macro.
6560 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
6561 new INSERT_ATTRIBUTES macro.
6563 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6565 * config/sparc/sparc.md (movdf): Only generate special RTL for
6566 LABEL_REFs when PIC.
6567 (move_label_di): Remove
6568 (movdi_pic_label_ref, movdi_high_pic_label_ref,
6569 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
6570 references when PIC.
6571 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
6572 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
6573 output an .xword for all 64-bit cases.
6575 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6577 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
6578 alignment, use FUNCTION_BOUNDARY instead.
6579 (sparc_output_deferred_case_vectors): Likewise.
6581 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6583 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
6584 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
6586 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
6588 * alpha/va_list.h: New file.
6589 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
6591 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
6593 * NEWS: Add SCO Openserver and Unixware 7 notes.
6597 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
6599 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
6600 (record_constant_1): Handle RANGE_EXPR.
6602 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
6604 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
6605 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
6606 and NOTE_INSN_RANGE_END specially.
6607 (reemit_notes): Likewise.
6609 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6611 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
6612 (ultrasparc_sched_init): Remove unneeded &.
6614 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6616 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
6617 for m68020-60, to prevent the use of fintrz.
6619 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
6621 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
6623 * Makefile.in: Likewise.
6624 * configure: Regenerated.
6626 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
6628 * configure.in (gxx_include_dir): Changed to
6629 '${prefix}/include/g++'-${libstdcxx_interface}.
6630 * configure: Rebuilt.
6632 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
6634 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
6636 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
6637 *sequences* *below* which scalar moves will be used.
6639 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
6641 * collect2.c (mktemp): Delete unused declaration.
6643 * config/xm-netbsd.h: Remove unnecessary file.
6644 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
6645 file anymore, it is not needed.
6647 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
6649 * convert.c (convert_to_integer): Issue an error on conversions to
6652 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
6654 * Makefile.in: Add lang_tree_files and gencheck.h.
6655 * configure.in: Generate them.
6656 * gencheck.c: Include gencheck.h.
6658 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6660 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
6661 movdi_lo_sum_pic and movdi_high_pic and make visible.
6662 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
6663 emit these when Pmode is not SImode.
6664 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
6666 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
6668 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
6669 .linkonce directive after the first time.
6671 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
6673 * m68k.md (beq0_di): Generate correct (and more efficient) code when
6674 the clobbered operand overlaps with an input.
6675 (bne0_di): Similarly.
6677 * Makefile.in (INSTALL): Remove "--no-header" argument.
6679 * NEWS: Various updates.
6681 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6683 * config/sparc/sparc.c (arith_operand, const64_operand,
6684 const64_high_operand, arith_double_4096_operand): Mark mode as
6686 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
6688 (sparc_emit_set_const64): Remove unused variable i.
6689 (sparc_splitdi_legitimate): Likewise for addr_part.
6690 (ultra_code_from_mask): Likewise for mask.
6691 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
6692 reverse return values so it matches usage and comments.
6693 (ultra_flush_pipeline): Likewise.
6694 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
6695 this_type, and allow loads and stores of differing FP modes as
6696 they do not create a conflict.
6697 (ultra_find_type): Initialize fpmode to SFmode, fix
6698 parenthesization thinkos in large conditional.
6699 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
6700 Init free_slot_mask after ultra_cur_hist is reset, not before.
6701 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
6702 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
6703 use ultra_flush_pipeline instead, then re-init group pointer.
6704 Fix statement with no effect. If no progress made in, and no
6705 instructions scheduled at all, advance to new pipeline cycle else
6706 we get into an endless loop.
6707 (ultrasparc_adjust_cost): Remove previous arg.
6708 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
6710 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
6712 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
6713 code. Use reg_overlap_mentioned_p to detect when source and
6714 destination overlap.
6715 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
6717 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
6719 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
6720 COMPARISON_VAL, into invariant_p.
6722 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6724 * regmove.c (regclass_compatible_p): New function.
6725 (regmove_optimize): Use it.
6727 Use NREGS parameter insted of calling max_reg_num.
6729 (fixup_match_1): Don't use code = MINUS when later tieing with
6730 a hard register is likely.
6732 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6734 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
6735 COMPARISON_VAL was normalized.
6737 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
6739 * loop.c (check_dbra_loop): The loop ending comparison value
6740 must be an invariant or we can not reverse the loop.
6742 * loop.c (scan_loop): Count down from max_reg_num - 1 to
6743 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
6745 (load_mems_and_recount_loop_regs_set): Likewise.
6747 * i386.c (print_operand): Remove obsolete 'c' docs.
6749 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
6751 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
6752 * frame.c (init_object_mutex): New function.
6753 (init_object_mutex_once): Likewise.
6754 (find_fde): Call it.
6755 (__register_frame_info): Likewise.
6756 (__register_frame_info_table): Likewise.
6757 (__deregister_frame_info): Likewise.
6759 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
6761 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
6763 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6765 * loop.c (check_dbra_loop): Enable code for reversal
6766 of some loops without a known constant loop end.
6768 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
6770 * haifa-sched.c (last_clock_var): New.
6771 (schedule_block): Initialize it.
6772 (schedule_insn): Use it to fill insn modes with issue information.
6774 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
6775 Tag trapb and next insn with TImode.
6776 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
6777 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
6778 Invoke alphaev5_align_insns as appropriate.
6779 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
6780 (MD_SCHED_VARIABLE_ISSUE): New.
6781 * alpha.md (attr type): Add multi.
6782 (define_asm_attributes): New.
6783 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
6784 (arg_home): Likewise.
6785 (fnop, unop, realign): New.
6787 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
6789 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
6790 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
6792 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
6793 (rs6000-ibm-aix4.[12]*): Likewise.
6794 * configure: Regnerate.
6796 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
6798 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
6799 already contains the return address.
6801 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
6803 * calls.c (expand_call): Use bitfield instructions to extract/deposit
6804 word sized hunks when loading unaligned args into registers.
6806 * haifa-sched.c (sched_analyze_insn): Only create scheduling
6807 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
6809 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
6811 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6813 * loop.c (check_dbra_loop): Add some code that would allow reversal
6814 of some loops without a known constant loop end if it were enabled.
6816 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
6818 * mips.md (lshrsi3_internal2+2): Fix type-o.
6820 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6822 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
6823 correctly with regards to stdio.h.
6825 * calls.c: Remove stdarg.h/varargs.h.
6828 * combine.c: Likewise.
6829 * cpperror.c: Likewise.
6830 * cpplib.c: Likewise.
6831 * cpplib.h: Likewise.
6832 * doprint.c: Likewise.
6833 * emit-rtl.c: Likewise.
6834 * final.c: Likewise.
6835 * fix-header.c: Likewise.
6837 * genattr.c: Likewise.
6838 * genattrtab.c: Likewise.
6839 * gencodes.c: Likewise.
6840 * genconfig.c: Likewise.
6841 * genemit.c: Likewise.
6842 * genextract.c: Likewise.
6843 * genflags.c: Likewise.
6844 * genopinit.c: Likewise.
6845 * genoutput.c: Likewise.
6846 * genpeep.c: Likewise.
6847 * genrecog.c: Likewise.
6848 * mips-tfile.c: Likewise.
6849 * prefix.c: Likewise.
6850 * protoize.c: Likewise.
6851 * regmove.c: Likewise.
6852 * toplev.c: Likewise.
6855 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6857 * config/sparc/sparc.c (sparc_override_options): If not
6858 TARGET_FPU, turn off TARGET_VIS.
6859 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
6860 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
6861 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
6862 (movdi_insn_sp64): Add VIS fzero alternative.
6863 (clear_sf, clear_df): New VIS patterns.
6864 (movsf, movdf expanders): Allow fp_zero_operand flat out when
6866 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
6868 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
6870 * loop.c (n_times_set, n_times_used, may_not_optimize,
6871 reg_single_usage): Convert to varrays. All uses changed.
6872 (insert_loop_mem): Return a value.
6873 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
6874 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
6877 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
6880 * configure.in: Do not set thread_file to "irix" since no such
6883 * sparc.md (float abs/neg splits): Check reload_completed before
6884 calling alter_subreg.
6886 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6888 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
6890 * config/sparc/sparc.h: Declare it.
6891 * config/sparc/sparc.md (float abs/neg splits): Use it.
6892 (all other splits): Handle SUBREGs properly where necessary.
6893 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
6895 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
6897 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
6898 an insn on the unfilled_slots_list that has no delay slots.
6899 (fill_eager_delay_slots): Similarly.
6901 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
6903 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
6904 as an ordinary operand.
6906 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
6908 * tree.c (valid_machine_attribute): Don't apply attributes to both
6911 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
6913 * reload.c (operands_match_p): Handle rtvecs.
6915 * i386.c (legitimate_pic_address_disp_p): New.
6916 (legitimate_address_p): Use it.
6917 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
6918 Handle constant pool symbols just like statics.
6919 (emit_pic_move): Use Pmode not SImode for clarity.
6920 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
6921 [UNSPEC]: New, handling what we killed above.
6922 [PLUS]: Detect and abort on invalid symbol arithmetic.
6923 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
6925 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
6927 * alias.c: Include output.h.
6928 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
6929 different if we're in a varargs function.
6930 * Makefile.in (alias.o): Depend on output.h
6932 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6934 * sh.h (GIV_SORT_CRITERION): Delete.
6936 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
6938 * regclass.c (regclass): Use xmalloc/free instead of alloca.
6939 * stupid.c (stupid_life_analysis): Ditto.
6940 * reload1.c (reload): Ditto.
6942 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6944 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
6945 arith_double_4096_operand, arith_double_add_operand): New
6947 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
6948 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
6949 them to transform add/sub 4096 into add/sub -4096.
6951 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6953 * loop.c (scan_loop): Allocate some slop to handle pseudos
6954 generated by move_movables.
6955 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
6958 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
6960 * tree.def (DECL_RESULT): Correct documentation.
6962 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6964 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
6965 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
6966 conflicts will all RELOAD_FOR_OUTPUT reloads.
6968 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
6969 loads the function result, substitute with a USE.
6971 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6973 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
6974 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
6975 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
6976 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
6977 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
6978 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
6980 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
6981 'o' to 'm' for GPR variant constraints.
6983 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
6985 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
6987 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
6989 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
6990 when the source and destination overlap.
6992 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
6993 clash with global type.
6995 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
6997 * fixinc.irix: Add curses.h handling from fixinc.wrap.
6999 * c-common.c (combine_strings): Also set TREE_READONLY.
7000 Change warn_write_strings to flag_const_strings.
7001 * c-decl.c, c-tree.h: Likewise.
7003 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7005 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
7006 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
7007 sequence, use SET/IOR instead so CSE can see it.
7008 * config/sparc/sparc.md (movhi_const64_special,
7009 movsi_const64_special): New patterns necessitated by that change.
7010 (movhi_high): Remove.
7011 (movhi_lo_sum): Change to match an IOR.
7012 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
7013 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
7014 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
7015 (movdf splits): Allow when not V9 or when not ARCH64 and integer
7016 registers are involved.
7017 (snesi_zero_extend split): Remove reload_completed test.
7018 (unnamed plus and minus zero_extend sidi splits): Add it.
7020 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
7022 * extend.texi: Remove description of extension to explicit
7023 instantiation that is now endorsed by standard C++.
7025 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7027 * config/arc/arc.c (arc_initialize_pic): Remove.
7028 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
7029 nothing on any platform and is invoked by no-one, it does not even
7030 appear in the documentation.
7031 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
7032 * config/sparc/sparc.c (initialize_pic): Likewise.
7033 (find_addr_reg): Remove this as well, no longer referenced after
7036 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
7038 * recog.c (validate_replace_rtx_group): New function.
7039 * recog.h (validate_replace_rtx_group): Declare it.
7040 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
7041 the entire group of substitutions.
7043 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
7045 * loop.c (load_mems): Fix initializers.
7047 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7049 * config/sparc/sparc.md (TFmode splits): Handle destination
7050 registers being referenced in the address correctly.
7052 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
7053 TREE_UNSIGNED, when bitsize of type's mode is larger than
7054 HOST_BITS_PER_WIDE_INT.
7056 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7058 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
7059 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
7060 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
7062 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
7065 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
7067 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
7068 * h8300.h (TINY_DATA_NAME_P): Likewise.
7069 (STRIP_NAME_ENCODING): Handle '&'.
7071 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
7072 register (it could be accessed via an outer SUBREG).
7073 (REG_OK_FOR_BASE_P): Likewwise.
7074 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
7076 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
7079 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
7081 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7083 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
7084 must be offsettable so the splits can be made.
7086 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
7088 * config/i386/winnt.c: Include system.h, not stdio.h to get
7089 sys/param.h pulled in before rtl.h in case the system defines MIN
7092 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
7094 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
7096 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
7098 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
7100 * cpplib.c (cpp_define): Handle macros with parameters.
7102 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7104 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
7105 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
7106 and DImode 64-bit. Use llong for minimal-toc SFmode and
7107 SYMBOL_REF / LABEL_REF 64-bit.
7108 (output_function_profiler): Use llong for profiler label and ld to
7109 load 64-bit label address.
7111 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
7113 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
7116 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
7118 * version.c: Bump for snapshot.
7120 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
7122 * version.c: Bump for snapshot.
7124 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
7126 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
7128 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
7130 * tm.texi (Misc): Fix typo "teh".
7132 * tm.texi (PIC): Fix typo "PPIC".
7134 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
7135 effect when -O2 and higher.
7136 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
7138 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
7140 * regclass.c: Changed register set documentation to be consistent
7143 * final.c (final_start_function) Removed redundant test for
7146 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
7148 * rtl.h (rtx_function): New type.
7149 (for_each_rtx): New function.
7150 * rtlanal.c (for_each_rtx): Define it.
7152 * recog.c (change_t): New type.
7153 (change_objects, change_old_codes, change_locs, change_olds):
7155 (changes): New variable.
7156 (validate_change): Dynamically allocate room for more changes, if
7157 necessary. Uses changes array instead of change_objects, etc.
7158 (apply_change_group): Use changes array instead of
7159 change_objects, etc.
7161 * loop.c (loop_mem_info): New type.
7162 (loop_mems): New variable.
7163 (loop_mems_idx): Likewise.
7164 (looop_mems_allocated): Likewise.
7165 (scan_loop): Remove nregs parameter.
7166 (next_insn_in_loop): New function.
7167 (load_mems_and_recount_loop_regs_set): Likewise.
7168 (load_mems): Likewise.
7169 (insert_loop_mem): Likewise.
7170 (replace_loop_mem): Likewise.
7171 (replace_label): Likewise.
7172 (INSN_IN_RANGE_P): New macro.
7173 (loop_optimize): Don't pass max_reg_num() to scan_loop.
7174 (scan_loop): Remove nregs parameter, compute it after any new
7175 registers are created by load_mems. Use INSN_IN_RANGE_P and
7176 next_insn_in_loop rather than expanding them inline. Call
7177 load_mems to load memory into pseudos, if appropriate.
7178 (prescan_loop): Figure out whether or not there are jumps from the
7179 loop to targets other than the label immediately following the
7180 loop. Call insert_loop_mem to notice all the MEMs used in the
7181 loop, if it could be safe to pull MEMs into REGs for the duration
7183 (strength_reduce): Use next_insn_in_loop. Tweak comments.
7185 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
7187 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
7189 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7191 * config/sparc/sparc.c (finalize_pic): Check for the correct
7192 nonlocal_goto_receiver UNSPEC number.
7193 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
7194 making note of this dependency existing in sparc.c
7195 (negtf2_notv9 split): Give NEG SFmode.
7196 (negsf2): Fix insn output string.
7198 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
7200 * c-common.c (decl_attributes): Issue an error if the argument
7201 to alias is not a string.
7203 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
7205 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
7206 pending memory flush list.
7208 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
7210 (try_combine): Allow combining insns with REG_LIBCALL notes.
7212 * expr.c (emit_block_move): Do not call memcpy as a libcall
7213 instead build up a CALL_EXPR and call it like any other
7215 (clear_storage): Similarly for memset.
7217 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
7220 * Makefile.in (cplus-dem.o): Provide explicit rules for building
7223 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
7224 and REG_LIVE_LENGTH as successful substitutions are made.
7226 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7228 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
7229 statement after end of loop label.
7231 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7233 * config/sparc/sparc.c (ultra_types_avail): New variable.
7234 (ultra_build_types_avail): New function to record mask of insn
7235 types in ready list at this cycle.
7236 (ultrasparc_sched_reorder): Call it.
7237 (ultra_find_type): Use it to quicken the search. Also simplif
7238 dependency check, don't use rtx_equal_p because we know exactly
7239 what we are looking for.
7241 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
7243 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
7244 for architecture v4.
7246 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7248 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
7250 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
7251 movdf_const_intreg and helper splits): New patterns to move float
7252 constants into integer registers.
7253 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
7256 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
7259 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
7261 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
7263 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
7264 a BASE_REGS register is needed as an intermediate when copying
7265 a symbolic value into any register class other than BASE_REGS.
7267 * expr.c (move_by_pieces): No longer static. Remove prototype.
7268 * rtl.h (move_by_pieces): Add extern prototype.
7269 * mips.c (expand_block_move): Handle aligned straight line copy by
7270 calling move_by_pieces.
7272 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
7275 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
7277 * stmt.c (expand_end_loop): Tidy. Allow unconditional
7278 jumps out of the loop to be treated as part of the exit test.
7280 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7281 Jeff Law <law@cygnus.com>
7283 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
7284 * cplus-dem.c: Delete.
7286 * Makefile.in (fold-const.o): depend on $(RTL_H).
7288 * fold-const.c: Include rtl.h to get the prototype for
7289 `set_identifier_local_value'.
7291 * loop.c (express_from_1): Remove unused variable `tmp'.
7292 (combine_givs): cast the first argument of bzero to char *.
7294 * toplev.c (display_help): Remove unused variable `looking_for_start'.
7296 * c-decl.c (init_decl_processing): Remove unneeded &.
7298 * alpha.h (alpha_initialize_trampoline): Provide prototype.
7300 * except.c (set_exception_lang_code, set_exception_version_code):
7301 Change parameter from `short' to `int' to avoid using a gcc
7304 * except.h (set_exception_lang_code, set_exception_version_code):
7305 Likewise for prototypes.
7307 * flow.c (count_reg_references): Remove unused variables `regno'
7310 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
7312 * prefix.c (translate_name): Cast the result of `alloca'.
7314 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
7316 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7318 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
7320 (valid_dbcc_comparison_p): Mark mode argument as unused.
7321 (symbolic_operand): Likewise.
7322 (legitimize_pic_address): Likewise.
7323 (const_uint32_operand): Likewise.
7324 (const_sint32_operand): Likewise.
7325 * sched.c [!INSN_SCHEDULING]: Define only dummy function
7326 schedule_insns and comment out rest of file.
7328 * m68k.c (output_move_simode_const): Use subl to move a zero into an
7330 (output_move_[hq]imode): Likewise.
7332 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
7334 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
7335 * invoke.texi: Corresponding changes.
7337 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
7339 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
7341 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7343 * config/sparc/sparc.c (ultra_code_from_mask,
7344 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7345 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
7346 ultrasparc_sched_init, ultrasparc_variable_issue,
7347 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
7348 functions to describe UltraSPARC pipeline exactly to Haifa.
7349 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
7350 as there is nothing the scheduler can do about it. Indicate that
7351 REG_DEP_OUTPUT's collide. Fixup formatting.
7352 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
7353 divide costs on Ultra for DImode.
7354 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
7356 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
7357 ieuN and add call_no_delay_slot to type list.
7358 (cti function unit): New unit for branches on UltraSPARC.
7359 (subx/addx insns): Set type to misc.
7360 (sidi zero/sign extension insns on arch64): Set type to shift.
7361 (sign_extendhidi2_insn): Set type to sload.
7363 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
7365 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
7366 (output_epilog): Use if != 0 for offset.
7367 (rs6000_fatal_bad_address): Prepare for Intl.
7368 * rs6000.h (rs6000_fatal_bad_address): Declare.
7369 * rs6000.md (movsfcc, movdfcc): Use else if.
7370 (elf_high): Use {liu|lis}.
7371 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
7372 (movsi): Use rs6000_fatal_bad_address.
7374 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
7376 * reload.c (find_equiv_reg): Reject equivalences separated
7377 by a volatile instruction.
7379 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7381 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
7383 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
7385 * alpha.md (movsicc): Fix mode mismatch.
7387 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
7389 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
7391 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
7393 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7395 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
7396 write-only modifier from operand 1 constraint.
7398 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7400 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
7401 emitting a XOR of -1 at the end, emit a NOT instead for combine's
7403 (sparc_emit_set_const64): Likewise, also when computing trailing
7404 bits do not negate low_bits and make fast_int an int.
7406 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
7408 * loop.c (add_label_notes): Do not ignore references to labels
7409 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
7410 * gcse.c (add_label_notes): Similarly.
7412 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
7414 * m68k.md (adddi_dilshr32): One of the operands must be a register.
7415 (adddi_dishl32): Similarly.
7417 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
7419 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
7420 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
7421 * cse.c (cse_basic_block): Add parens to shut up warnings.
7423 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7425 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
7426 sparc_emit_set_const64_longway, const64_is_2insns,
7427 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
7428 in 64-bit constant formation.
7429 * config/sparc/sparc.md (snesi_zero_extend split): Generate
7430 rtl for addx not subx.
7431 (define_insn movdi_const64_special): Make available even when
7432 HOST_BITS_PER_WIDE_INT is not 64.
7433 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
7434 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
7435 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
7436 instances of operand 1 inside a QI subreg.
7437 (xordi3_sp64_dbl): Remove '%' constraint for op1.
7438 (one_cmpldi2_sp64): Fix output string.
7439 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
7441 (unnamed arch64 ashift DI): Truncate shift count if greater than
7444 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7446 * expr.c (store_expr): Don't optimize away load-store pair
7447 when either source or destination have a side effect.
7449 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
7451 * genrecog.c (add_to_sequence): Fatal error if the modes of the
7452 operands of SET are incompatible.
7454 * alpha.md: Fix max and min patterns so modes of SET operands match.
7456 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
7458 * configure.in: Avoid [[ by using test and changequote.
7459 * configure: Rebuild.
7461 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7463 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7465 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7466 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7467 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7468 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7469 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7470 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
7471 Fix mismatching modes in SET operands.
7472 (conditional move patterns): Fix formatting.
7473 (unnamed subx arch64 pattern): Remove duplicate insn.
7475 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7477 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7478 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
7479 (input_operand): Fixup test for what we accept for constant
7481 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
7483 (safe_constDI): Remove.
7484 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7485 gen_safe_XOR64): New functions.
7486 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
7487 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
7489 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
7490 available when HOST_BITS_PER_WIDE_INT is not 64.
7491 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
7492 move before movdi_insn_sp64 pattern.
7493 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
7494 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
7495 symbolic_operand as predicate for second operand.
7496 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
7497 expander): Give set VOIDmode.
7499 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
7501 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
7503 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
7505 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
7507 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
7509 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
7511 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
7513 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
7515 * install.texi: Various SCO OpenServer tweaks.
7517 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
7519 * reload1.c (eliminate_regs_in_insn): Handle another case when
7520 eliminating the frame pointer to the hard frame pointer. Add
7521 missing ep->to_rtx check to one existing case.
7523 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
7525 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7527 * tree.h: De-conditionalize init_priority code.
7529 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
7530 * collect2.c (NM_FLAGS): Change from -p to -n.
7532 * configure.in: Turn on collect2 for mipstx39-elf.
7533 Handle use_collect2=no properly.
7535 * c-common.c: De-conditionalize init_priority code.
7536 * collect2.c (extract_init_priority, sort_ids): New fns.
7537 (main): Call sort_ids.
7538 Move sequence_number to file scope.
7540 * configure.in: Handle --enable-init-priority.
7541 * c-common.c (attrs): Add A_INIT_PRIORITY.
7542 (init_attributes, decl_attributes): Likewise.
7543 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
7544 * tree.c (get_file_function_name_long): Split out...
7545 (get_file_function_name): ...from here.
7547 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
7549 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
7552 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
7554 * toplev.c (display_help): Add braces to shut up warnings.
7555 * tree.c (simple_cst_equal): Likewise.
7557 * fold-const.c (non_lvalue): Don't deal with null pointer
7559 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7561 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
7562 of any size to a pointer.
7564 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
7566 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
7568 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
7570 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
7571 which will be saved.
7572 * mn10300.md (prologue insn): Only save registers which need saving.
7573 (epilogue insn): Similarly.
7575 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
7578 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
7580 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
7581 VAR_DECL's in gp addressable sections.
7583 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
7585 * sparc.c: Change return <exp> to <exp>; return; in functions
7587 * sparc.md: Add empty semicolon statement after final label in
7590 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7592 * config/sparc/sparc.md (define_insn addx_extend): Rename to
7593 addx_extend_sp64, only allow when TARGET_ARCH64.
7594 (define_insn addx_extend_sp32 and split): Version that works when
7596 (define_insn subx_extend): Likewise.
7597 (define_split adddi3 and subdi3 with zero extension): Fixup and
7598 correct bugs when not TARGET_ARCH64.
7600 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
7602 * except.c (set_exception_lang_code, set_exception_version_code):
7603 Use prototype-style definition if __STDC__, to match declaration
7606 * genemit.c: Change FAIL and DONE macros not to use loops.
7608 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
7610 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
7611 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
7613 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
7615 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
7617 * README.g77: Update from Craig.
7619 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7621 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
7623 (safe_constDI sparc_emit_set_const64_quick1,
7624 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7625 analyze_64bit_constant, const64_is_2insns,
7626 create_simple_focus_bits): Fix some bugs when compiled on real
7628 (function_arg_record_value_3, function_arg_record_value_2,
7629 function_arg_record_value): Add fully prototyped forward decls.
7630 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
7631 to cmpsi_insn and use on both 64 and 32 bit targets.
7632 (define_insn cmpsi_insn_sp64): Remove.
7633 (define_expand zero_extendsidi2): Allow for 32-bit target too.
7634 (define_insn zero_extendsidi2_insn): Rename to
7635 zero_extendsidi2_insn_sp64.
7636 (define_insn zero_extendsidi2_insn_sp32): New pattern and
7637 assosciated forced split for it.
7639 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7641 * config/sparc/sparc.h: Declare them.
7642 (PREDICATE_CODES): Add them.
7643 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
7644 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
7646 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
7648 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
7649 in v9 case as the latter makes the Solaris assembler crash.
7651 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7653 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
7654 for TFmode when !v9. We require offsettable memory addresses.
7655 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
7656 DFmode register number conversions.
7657 * config/sparc/sparc.md (define_split DFmode moves): If register
7658 is a SUBREG do alter_subreg on it before using.
7659 (define_expand movtf): Fixup comment about alignment on v9.
7660 (define_split TFmode moves): Don't use gen_{high,low}part, create
7661 explicit SUBREGs instead.
7663 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
7665 * Makefile.in (mbchar.o): Depend on mbchar.c.
7667 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7668 Richard Henderson <rth@cygnus.com>
7670 Rewrite Sparc backend for better code generation and
7671 improved sparc64 support.
7672 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
7674 * config/sparc/sysv4.h: Likewise.
7675 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
7676 move_operand, v8plus_regcmp_op, emit_move_sequence,
7677 singlemove_string, doublemove_string, mem_aligned_8,
7678 output_move_double, output_move_quad, output_fp_move_double,
7679 move_quad_direction, output_fp_move_quad, output_scc_insn):
7681 (small_int_or_double): New predicate.
7682 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
7683 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
7684 old pic_{sethi,lo_sum}_si patterns.
7685 (mem_min_alignment): New generic function to replace
7686 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
7687 available and can test for arbitrary alignments. All callers
7689 (save_regs, restore_regs, build_big_number,
7690 output_function_prologue, output_cbranch, output_return,
7691 sparc_flat_save_restore, sparc_flat_output_function_prologue,
7692 sparc_flat_output_function_epilogue): Prettify
7694 (output_function_epilogue): Likewise and add code to output
7695 deferred case vectors.
7696 (output_v9branch): Likewise, add new arg INSN and use it to tack
7697 on branch prediction settings. All callers changed.
7698 (print_operand): Likewise and output %l44 for LO_SUMs when
7700 (sparc_splitdi_legitimate): New function to make sure DImode
7701 splits can be run properly when !arch64.
7702 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
7703 Reformat example code in comments.
7704 (set_extends): Remove UNSPEC/v8plus_clear_high case.
7705 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
7706 of deferred case vectors we need to output.
7707 (sparc_defer_case_vector): Record a case vector.
7708 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
7709 sparc_output_deferred_case_vectors): New functions to output them.
7710 (sparc_emit_set_const32): New function to form 32-bit constants in
7711 registers when that requires more than one instruction.
7712 (safe_constDI, sparc_emit_set_const64_quick1,
7713 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7714 analyze_64bit_constant, const64_is_2insns,
7715 create_simple_focus_bits, sparc_emit_set_const64): New functions
7716 which do the same for 64-bit constants when arch64.
7717 (sparc_emit_set_symbolic_const64): New function to emit address
7718 loading for all code models on v9.
7719 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
7720 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
7721 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
7722 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
7723 inaccuracies in comments, add symbolic and text_segment operands
7724 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
7725 GENERAL_REGS in these cases as a temp REG is needed to load these
7726 addresses into a register properly.
7727 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
7729 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
7730 quads are guarenteed to have 16-byte alignment.
7731 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
7732 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
7733 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
7734 deferred case vector implementation.
7735 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
7736 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
7737 Generate "internal label - label" instead of "label - 1b".
7738 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
7739 (PREDICATE_CODES): Remove sparc_operand, move_operand,
7740 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
7742 (doublemove_string, output_block_move, output_fp_move_double,
7743 output_fp_move_quad, output_move_double, output_move_quad,
7744 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
7745 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
7746 (sparc_emit_set_const32, sparc_emit_set_const64,
7747 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
7748 mem_min_alignment, small_int_or_double): Add externs.
7749 * config/sparc/sparc.md: Document the many uses of UNSPEC and
7750 UNSPEC_VOLATILE in this backend.
7751 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
7752 unary to types which execute in it.
7753 (define_function_unit ieu_shift): Rename to ieu0.
7754 (define_function_unit ieu1): New, executes compare, call, and
7755 uncond_branch type insns.
7756 (define_function_units for type fdivs, fdivd, fsqrt): These
7757 execute in the fpu multiply unit not the adder on UltraSparc.
7758 (define_expand cmpdi): Disallow TARGET_V8PLUS.
7759 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
7760 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
7761 allows the arith_double_operand predicate and rHI constraint when
7763 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
7764 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
7765 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
7766 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
7767 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
7768 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
7769 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
7770 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
7771 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
7772 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
7773 sign_extendqihi2_insn, sign_extendqisi2_insn,
7774 sign_extendqidi2_insn, sign_extendhidi2_insn,
7775 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
7776 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
7777 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
7778 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
7779 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
7780 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
7781 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
7782 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
7783 smulsi3_highpart_v8plus, unnamed subreg mult,
7784 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
7785 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
7786 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
7787 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
7788 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
7789 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
7790 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
7791 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
7792 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
7793 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
7794 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
7795 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
7796 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
7797 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
7798 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
7799 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
7800 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
7801 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
7802 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
7803 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
7804 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
7805 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
7806 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
7807 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
7808 call_address_untyped_struct_value_sp32,
7809 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
7810 call_value_symbolic_sp32, call_value_address_sp64,
7811 call_value_symbolic_sp64, branch_sp32, branch_sp64,
7812 flush_register_windows, goto_handler_and_restore,
7813 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
7814 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
7815 return_addsi, return_di, return_adddi, return_sf, all call+jump
7816 peepholes, trap, unnamed trap insns): Prettify output strings.
7817 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
7818 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
7819 Likewise and force + implement splits for integer cases.
7820 (define_insn return_sf_no_fpu): Likewise and allow to match when
7821 no-fpu because of our subreg SFmode splits.
7822 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
7823 zero_extendqidi2_insn, zero_extendhidi2_insn,
7824 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
7825 input_operand for second operand.
7826 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
7827 reg_or_0_operand for operand 2 so new splits can use it.
7828 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
7829 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
7831 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
7832 CONST_DOUBLEs for operand 2.
7833 (define_insn move_label_di): Likewise and label distance
7834 optimization because it no longer works with new deferred case
7835 vector scheme. To be revisited.
7836 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
7837 and allow reg_or_0_operand and J constraint for second operand.
7838 (define_insn jump): Set branch predict taken on V9.
7839 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
7840 new deferred case vector scheme.
7841 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
7842 (define_insn negdi2_sp32): Force + implement splits.
7843 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
7844 one_cmplsi2_not_liveg0 respectively, and create expander of original
7845 names which emit special rtl for TARGET_LIVE_G0.
7846 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
7847 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
7848 gen_compare_reg, FAIL instead.
7849 (define_insn sgtu, sleu): Likewise and check gen_s*() return
7850 values when trying to reverse condition codes, if they FAIL then
7852 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
7853 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
7854 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
7855 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
7856 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
7857 set output string to # to indicate they are mandatory splits.
7858 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
7859 pic_sethi_di, move_pic_label_si): Remove.
7860 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
7861 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
7863 (define_expand movsi_pic_label_ref, define_insn
7864 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
7865 expander and insns to handle PIC label references and deferred
7867 (define_insn get_pc_via_rdpc): Comment out as it is no longer
7869 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
7870 Rewrite to not use emit_move_sequence, make use of new constant
7871 formation code, and new splits for all multi-insn cases.
7872 (define_insn movqi_insn): Remove sethi case, it can never happen.
7873 Use reg_or_zero_operand instead of const0_rtx explicit test,
7874 use input_operand instead of move_operand for source, and use
7875 general_operand now for dest.
7876 (define_insn movhi_insn): Similar but leave sethi case.
7877 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
7878 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
7879 movhi_lo_sum respectively, prettify output string.
7880 (define_insn movsi_zero_liveg0): New pattern to put zero into a
7881 register when needed on TARGET_LIVE_G0.
7882 (define_insn movsi_insn): Use general_operand and input_operand
7883 for dest and src respectively. Simplify applicability test.
7884 Prettify output strings, and add clr alternative for J
7886 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
7887 deprecated std and reg-reg DI moves): Remove and...
7888 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
7889 implementation which uses forced splits for all non-single insn
7891 (define_split DI move cases on !arch64): New splits to handle all
7892 situations of 64-bit double register DImode on 32bit, and
7893 unaligned registers and memory addresses for all subtargets.
7894 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
7896 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
7897 input_operand for dest and src respectively, prettify output
7899 (define_insn movdf_insn, movdf_no_e_insn, store_df,
7900 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
7902 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
7903 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
7904 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
7905 movtf_no_e_insn_sp64) Replace with new
7906 implementation which uses forced splits for all non-single insn
7908 (define_split DF move cases): New splits in similar vein to DI
7910 (define_insn sethi_di_medlow, sethi_di_medium_pic,
7911 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
7912 movdi_sp64_insn): Remove old v9 code model and constant loading
7914 (define_insn pic_lo_sum_di, pic_sethi_di,
7915 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
7916 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
7917 embmedany_sethi, embmedany_losum, embmedany_brsum,
7918 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
7919 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
7920 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
7921 scheme, using unspecs, secondary reloads, and one to one sparc
7922 insn to rtl insn mapping for better scheduling and code gen.
7923 (define_expand reload_indi, reload_outdi): Reload helpers for
7924 MEDANY and EMBMEDANY symbol address loading cases which require a
7926 (define_expand movsicc): Remove v8plus_regcmp cases.
7927 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
7928 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
7929 cmp_diqi_trunc_set): New patterns used by some of the new scc
7931 (define_insn xordi3_sp64_dbl): New pattern used for constant
7932 formation when crossing from 32-bit targets.
7933 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
7935 (define_insn addx, subx): Make visible and prettify.
7936 (define_insn adddi3_insn_sp32): Likewise and force split.
7937 (define_insn addx_extend, subx_extend, unnamed): New patterns for
7938 64bit scc split usage.
7939 (define_insn unnamed plusDI zero_extend, unnamed minusDI
7940 zero_extend, subdi3): Force and implement splits.
7942 * final.c (final_scan_insn): Don't output labels if target
7943 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
7946 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
7947 don't forget to walk inside SEQUENCESs too as these are what the
7948 delay slot scheduler will create.
7950 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
7952 * alpha.md (extxl+1,+2): New patterns to work around
7955 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
7957 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
7958 caused bad assembly code to be generated.
7960 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
7962 * netbsd.h: Fix typo.
7964 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
7966 * config.sub: Fix typo.
7968 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
7970 * invoke.texi (Environment Variables): Typo: Change "ascpects"
7972 (Running Protoize): Typo: Change "ther" into "other".
7974 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
7976 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
7977 * m68k/netbsd.h: Likewise.
7978 * ns32k/netbsd.h: Likewise.
7979 * sparc/netbsd.h: Likewise.
7981 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
7983 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
7984 * ginclude/va-clipper.h (va_list): Likewise.
7986 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
7988 * rs6000.c (rs6000_override_options): If big endian and -Os, use
7989 load/store multiple instructions unless user overrides.
7991 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
7993 * ns32k/netbsd.h: Fix typo.
7995 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
7997 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
7998 labels with .debugsym if no parallel insns.
8000 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
8002 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
8003 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
8005 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
8007 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
8008 (AR_FOR_TARGET): Define.
8010 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
8012 * dyn-string.h: New file.
8013 * dyn-string.c: Likewise.
8014 * Makefile.in (OBJS): Add dyn-string.o.
8015 (dwarf2out.o): Add dyn-string.h dependency.
8016 (dyn-string.o): List dependencies.
8017 * dwarf2out.c: Include dyn-string.h.
8018 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
8019 (addr_const_to_string): Take a dyn_string_t, not a char* as a
8020 prototype. Use dyn_string_append rather than strcat, throughout.
8021 (addr_to_string): Use dyn_string_t.
8023 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
8025 Function entry/exit profiling instrumentation:
8026 * expr.h (profile_function_entry_libfunc,
8027 profile_function_exit_libfunc): Declare new variables.
8028 * optabs.c: Define them here.
8029 (init_optabs): Initialize them.
8030 * tree.h (struct tree_decl): New flag
8031 no_instrument_function_entry_exit.
8032 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
8033 * c-decl.c (duplicate_decls): Merge it.
8034 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
8035 (init_attributes): Use it for "no_instrument_function".
8036 (decl_attributes): Handle it, for functions that have not yet been
8037 compiled. Set decl flag.
8038 * flags.h (flag_instrument_function_entry_exit): Declare new
8040 * toplev.c (flag_instrument_function_entry_exit): Define it here.
8041 (f_options): New option "instrument-functions".
8042 * function.h (struct function): New field instrument_entry_exit.
8043 * function.c (current_function_instrument_entry_exit): New
8045 (push_function_context_to, pop_function_context_from): Save and
8047 (expand_function_start): Set current_ variable, maybe emit return
8048 label and entry profile call.
8049 (expand_function_end): Maybe emit exit profile call.
8051 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
8053 * i386.md (movqi): When optimizing a load of (const_int 1) into a
8054 NON_QI_REG_P, pretend the register is SImode.
8056 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
8058 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
8059 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
8060 manufacturer id for ns32k.
8061 * configure: Regenerated.
8062 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
8063 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
8064 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
8065 * config/m68k/netbsd.h: Same.
8066 * config/ns32k/netbsd.h: Same.
8067 * config/sparc/netbsd.h: Same.
8069 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
8071 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
8072 or UNROLL_COMPLETELY loop that starts with a jump to its
8075 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
8077 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
8078 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
8079 (print_operand, case 'B'): Don't fall through.
8080 (print_operand, case 'S'): Correct mask begin/end computation.
8081 Use HOST_BITS_PER_WIDE_INT.
8082 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
8083 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
8084 * rs6000/aix41.h (CPP_PREDEFINES): Same.
8085 * rs6000/aix43.h (CPP_PREDEFINES): Same.
8087 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
8089 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
8090 constraint from second alternative.
8092 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8094 * configure.in: Fix --without/--disable cases for local-prefix,
8095 gxx-include-dir and checking.
8097 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8099 * configure.in (enable_haifa): Set by default for sparc64 too.
8102 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8104 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
8105 * i386/winnt.c (associated_type): New fn.
8106 (i386_pe_valid_type_attribute_p): New fn.
8107 (i386_pe_check_vtable_importexport): Remove.
8108 (i386_pe_dllexport_p): Use associated_type.
8109 (i386_pe_dllimport_p): Likewise.
8111 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
8112 * i386.c (i386_valid_type_attribute_p): Also accept
8113 attributes for METHOD_TYPEs.
8115 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
8117 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
8119 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
8121 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
8123 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
8124 them from generating a new base name for each occurence of
8127 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
8129 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
8131 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
8135 * cplus-dem.c (type_kind_t): New type.
8136 (demangle_template_value_parm): Add type_kind_t parameter. Rely
8137 on this paramter, rather than demangling the type again.
8138 (demangle_integral_value): Pass tk_integral.
8139 (demangle_template_: Pass the value returned from do_type.
8140 (do_type): Return a type_kind_t. Pass tk_integral to
8141 demangle_template_value_parm for array bounds.
8142 (demangle_fund_type): Likewise.
8144 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
8146 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
8149 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
8151 * pa.c (move_operand): Accept CONSTANT_P_RTX.
8153 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
8155 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
8157 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
8160 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
8162 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
8163 (DEBUGGER_ARG_OFFSET): Likewise.
8165 * mn10300.md (movsf): Remove last change. Not needed.
8167 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
8169 * c-lex.c (yylex): Fix boundary conditions in character literal and
8170 string literal loops.
8172 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
8174 * longlong.h (count_leading_zeros): Sparclite scan instruction was
8175 being invoked incorrectly.
8177 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
8178 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
8180 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
8181 * configure.in: Added i[34567]86-*-win32
8182 * config.sub: Ditto.
8183 * configure: Rebuilt.
8185 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
8187 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
8188 the frame pointer and compiling PIC code and reload has not completed.
8190 * i386.c (output_to_reg): Add code to emulate non-popping DImode
8193 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
8195 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
8197 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8199 * Makefile.in (install-info): Only try to update the info
8200 directory file if it exists in the first place.
8202 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
8204 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
8206 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
8208 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
8209 CONST_DOUBLE source.
8211 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
8213 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
8214 strings as the insertion of USER_LABEL_PREFIX.
8215 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
8217 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
8220 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
8222 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
8223 already defined type.
8225 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
8227 * expr.c (check_max_integer_computation_mode): Allow conversions
8228 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
8229 (expand_expr): Likewise.
8231 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8233 * expr.c (expand_expr): Expand RETURN_EXPR.
8235 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
8237 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
8239 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
8241 * dwarf2out.c (output_aranges): Call stripattributes
8242 for TEXT_SECTION references.
8243 (output_line_info): Likewise.
8245 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8247 * profile.c (branch_prob): Call allocate_reg_info after outputting
8248 profile rtl in instrument_arcs.
8250 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
8252 * fixinc.irix (math.h): Install wrapper instead of copying.
8254 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8256 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
8257 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
8258 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
8259 lang_flag_0. Added documentation in the flag table.
8261 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
8263 * cccp.c (do_include): Fix vax c style include handling.
8265 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8267 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
8269 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
8271 * fold-const.c (non_lvalue): Don't deal with null pointer
8273 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8275 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
8277 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
8278 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
8279 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
8280 (u_short_cint_operand): Same.
8281 (reg_or_cint_operand): Same.
8282 (logical_operand): Same.
8283 (input_operand): Same.
8284 (reg_or_short_operand): Use u_short_cint_operand.
8286 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
8288 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
8289 but keep the insns and splits. Adjust so when the ultimate destination
8290 is memory, use cvtql.
8292 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
8294 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
8296 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
8298 * gcc.c (do_spec): Call "error" not "warning".
8300 * configure.in: Fix minor problems with gas feature detection code.
8301 * configure: Rebuilt.
8303 * gcc.c (do_spec): Issue a warning for '%[]' usage.
8306 * gcc.c: Delete %[spec] support.
8307 (do_spec_1, case '('): Likewise.
8308 (do_spec_1, case '['): Call error.
8310 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
8312 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
8313 (CPP_SUBTARGET_SPEC): Default to empty string.
8314 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
8315 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
8316 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
8317 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
8319 * alpha/linux.h (CPP_PREDEFINES): Tidy.
8320 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
8321 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
8322 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
8323 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
8324 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
8325 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
8326 * alpha/vxworks.h: Likewise.
8328 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
8330 * mips.md (reload_outsi): Added missing REGNO call.
8331 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
8333 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
8334 another match_operator and compare the codes.
8336 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
8338 * MIPS multiply pattern fixes:
8339 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8340 Add union classes for HI, LO, or HILO plus general registers.
8341 (GENERATE_MADD): Deleted.
8342 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
8343 Add TARGET_MAD to condition.
8344 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
8345 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
8346 "*d" for accumulator, to give preference to LO initially but not
8349 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
8351 * configure.in (enable_c_mbchar): New configure option.
8352 (extra_cpp_objs): Always available now.
8354 * cexp.y (mbchar.h): #include it.
8355 (yylex): Handle Multibyte characters in character literals.
8357 * cccp.c (mbchar.h): #include it.
8358 (main): Set character set based on LANG environment variable.
8359 (rescan): Handle multibyte characters in comments.
8360 (skip_if_group): See above.
8361 (validate_else): See above.
8362 (skip_to_end_of_comment): See above.
8363 (macarg1): See above.
8364 (discard_comments): See above.
8365 (rescan): Handle multibyte characters in string and character literals.
8366 (collect_expansion): See above.
8367 (skip_quoted_string): See above.
8368 (macroexpand): See above.
8369 (macarg1): See above.
8370 (discard_comments): See above.
8371 (change_newlines): See above.
8373 * c-lex.c (mbchar.h): #include it.
8374 (GET_ENVIRONMENT): New macro.
8375 (init_lex): Set character set based on LANG environment variable.
8376 (yylex): Handle multibyte characters in character literals.
8377 (yylex): Handle multibyte characters in string literals.
8379 * Makefile.in (mbchar.o): New target.
8380 (cccp$(exeext)): @extra_cpp_objs@ is always available.
8381 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
8383 * mbchar.[ch]: New files for multibyte character handling.
8385 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8387 * jump.c (jump_optimize): When simplifying noop moves and
8388 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
8389 the PUSHes to rewrite in second loop as we did in the first.
8391 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8393 * cplus-dem.c (demangle_nested_args): Make function definition
8394 static to match the prototype.
8396 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
8398 * alloca.c: Respect USE_C_ALLOCA.
8399 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
8400 * gengenrtl.c (xmalloc): Likewise.
8402 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
8404 * loop.h (struct induction): Add no_const_addval.
8405 * loop.c (the_movables, reg_address_cost): New variables.
8406 (init_loop): Init reg_address_cost.
8407 (loop_optimize): Call end_alias_analysis.
8408 (scan_loop): Init the_movables.
8409 (record_giv): Init induction->no_const_addval.
8410 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
8411 [REG]: Rearrange loop search test to catch more cases.
8412 (general_induction_var): Return success not benefit; take an extra
8413 argument for that. Change all callers.
8414 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
8415 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
8416 [default]: Search the_movables for additional combinations.
8417 (sge_plus_constant, sge_plus): New functions.
8418 (express_from_1): New function.
8419 (express_from): Always define. Rewrite using express_from_1.
8420 (combine_givs_p): Handle more cases. Ignore address cost.
8421 (cmp_combine_givs_stats): New function.
8422 (combine_givs_used_once, combine_givs_benefit_from): New functions.
8423 (combine_givs): Rewrite to do best-fit combination.
8425 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
8426 (fold): Do a complete (A*C)+(B*C) association check.
8428 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
8430 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
8432 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
8434 * mn10300.c (MODES_TIEABLE_P): Fix typo.
8436 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
8438 * tree.c (valid_machine_attribute): Only create a new type variant if
8439 there is a decl to use it.
8441 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
8443 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
8446 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
8448 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
8451 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
8453 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
8454 Simplify tests for clearing an address register.
8455 (expand_prologue): Corresponding changes.
8457 * mn10300.md (movXX patterns): Make sure the destination is an
8458 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
8459 (logical patterns): Split into expanders + patterns
8460 (zero and sign extension patterns): Similarly.
8461 (shift patterns): Similarly.
8463 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8465 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8466 for the sequence, recording base values.
8468 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8470 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
8472 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
8474 * gcc.c: Remove ANSI-C ism from --help code.
8476 * toplev.c: Support --help with USE_CPPLIB.
8478 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
8480 * configure.in: Rework gas feature code to work with symlink based
8483 * extend.texi: Clarify some issues related to local variables
8484 assigned to explicit registers.
8486 * mn10300.md (mulsi): Turn into expander + pattern.
8488 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
8491 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
8493 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
8495 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
8497 * version.c: Bump again to distinguish mainline tree from the
8500 See ChangeLog.0 for earlier changes.
8503 add-log-time-format: current-time-string
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