1 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
3 * config/arm/t-arm-elf: Add multiplib option for leading
6 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
7 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
9 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
10 than variable 'reload_address_base_reg_class'. [Note this
11 change is unrelated to the others in this patch].
13 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
16 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18 * alias.c (record_alias_subset): Remove ignored `&'.
19 (init_alias_once): Likewise.
21 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
23 * config/mips/mips.c (mips_asm_file_end): Cast the result of
24 fwrite to `int' when comparing against one.
26 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
27 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
29 * cse.c (rehash_using_reg): Change type of variable `i' to
32 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
35 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
37 * final.c (final_scan_insn): Likewise for variable `i'.
38 (output_asm_insn): Cast a char to unsigned char when used as an
41 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
44 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
46 * recog.c (preprocess_constraints): Cast a char to unsigned char
47 when used as an array index.
49 * regmove.c (find_matches): Likewise.
51 * reload1.c (calculate_needs): Add default case in switch.
52 (eliminate_regs_in_insn): Initialize variable `offset'.
53 (set_offsets_for_label): Change type of variable `i' to unsigned.
54 (reload_as_needed): Wrap variable `i' in macro check on
55 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
57 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
58 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
59 when comparing against one.
61 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
62 unsigned when comparing against one. Likewise for
64 (layout_record): Cast record_align to int when comparing against a
66 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
69 * tree.c (get_identifier): Cast variable `len' to unsigned when
70 comparing against one.
71 (maybe_get_identifier): Likewise
73 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
75 * toplev.c (rest_of_compilation): Do not set reload_completed.
76 * reload1.c (reload): Set reload_completed before calling
77 cleanup_subreg_operands.
79 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
81 * reload1.c (emit_reload_insns): Check `set' not null before use.
83 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
85 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
88 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
90 * halfpic.c (half_pic_encode): Delete redundant code.
92 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
94 * toplev.c (main): Delete handling of -dM as a preprocessor
97 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
99 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
100 -dI, which are handled by the preprocessor.
102 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
104 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
105 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
107 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
109 * version.c: Bump for snapshot.
111 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
113 * version.c: Bump for snapshot.
115 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
117 * version.c: Bump for snapshot.
119 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
121 * genattr.c (fatal): Qualify a char* with the `const' keyword.
123 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
124 write_unit_name, write_eligible_delay, expand_units,
125 make_length_attrs, write_attr_case, find_attr,
126 make_internal_attr): Likewise.
127 * gencheck.c (tree_codes): Likewise.
128 * gencodes.c (fatal): Likewise.
129 * genconfig.c (fatal): Likewise.
130 * genemit.c (fatal): Likewise.
131 * genextract.c (fatal, walk_rtx, copystr): Likewise.
132 * genflags.c (fatal): Likewise.
133 * genopinit.c (fatal, optabs, gen_insn): Likewise.
134 * genoutput.c (fatal, error, predicates): Likewise.
135 * genpeep.c (fatal): Likewise.
136 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
137 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
139 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
141 * configure.in (with-fast-fixincludes): Fix whitespace.
142 * configure: Rebuilt.
144 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
145 asm() etc. function declarations in __DECC.
147 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
149 * expr.c (emit_move_insn_1): Only emit a clobber if the target
150 is a pseudo register.
152 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
154 * gcse.c: Include expr.h in order to get the prototype for
155 get_condition() which is used in delete_null_pointer_checks().
157 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
159 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
161 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
163 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
164 (ALL_CFLAGS): Delete SCHED_CFLAGS.
166 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
168 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
171 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
173 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
174 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
175 optimizations from the combiner.
177 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
179 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
181 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
183 * toplev.c (main): Disable optimize_size if a specific
184 optimization level is requested. Always set optimization
185 level to 2 if -Os is specified.
187 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
189 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
191 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
192 initialize it using fname.
194 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
196 * cpplib.c (do_include): Treat #include_next in the
197 primary source file as #include plus warning. Treat
198 #include_next in a file included by absolute path as an
199 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
201 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
203 * cccp.c: Don't define MIN/MAX anymore.
204 * cpplib.c: Likewise.
205 * machmode.h: Likewise.
206 * system.h: Provide definitions for MIN/MAX.
208 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
210 * fix-header.c: Don't define xstrdup here.
212 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
214 * loop.c (consec_sets_giv): New argument last_consec_insn.
215 (strength_reduce): Provide / use it.
217 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
219 * loop.h (loop_info): New field 'vtop'.
220 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
221 scanning loop for vtop.
222 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
223 (loop_iterations): Use them to determine if loop has a constant
224 number of iterations. Set loop_info->vtop. Don't subtract
225 common reg term from initial_value and final_value if have a
228 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
230 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
232 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
234 * mn10200.md (abssf2, negsf2): New expanders.
236 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
238 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
240 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
241 replaced by a CONCAT whoes components do not have the same
242 mode as the original SUBREG, use a new SUBREG to restore the
245 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
246 multiword complex values.
248 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
250 * cppalloc.c: Add xstrdup here.
251 * cpplib.h: Remove savestring prototype.
252 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
254 * cppfiles.c: s/savestring/xstrdup/ throughout.
256 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
258 * cpplib.c: Make all directive handlers read their own
260 (struct directive): Remove last two arguments from FUNC
261 member prototype. Remove `command_reads_line' member
263 (directive_table): Remove initializations of
264 command_reads_line flag. Pretty-print.
265 (eval_if_expression, do_define, do_line, do_include,
266 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
267 do_else, do_elif, do_sccs, do_assert, do_unassert,
268 do_warning): Take only two args.
270 (cpp_define): Call do_define with two args and the text to
271 define stuffed into a buffer.
272 (make_assertion): Call do_assert with two args.
273 (handle_directive): Call do_line with two args. Call
274 kt->func with two args. Remove command_reads_line
276 (do_define, do_undef, do_error, do_warning, do_pragma,
277 do_sccs): Read the rest of the line here.
278 (do_ident): Gobble rest of line, as cccp does.
279 (cpp_undef): New function.
280 (cpp_start_read): Call cpp_undef instead of do_undef.
282 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
284 * cpphash.h (union hash_value): Remove `keydef' member, add a
285 `struct hashnode *aschain' member for #assert.
287 * cpplib.c (struct tokenlist_list, struct
288 assertion_hashnode): Delete structure definitions.
289 (assertion_install, assertion_lookup, delete_assertion,
290 check_assertion, compare_token_lists, reverse_token_list,
291 read_token_list, free_token_list): Delete functions.
292 (parse_assertion): New function.
293 (cpp_cleanup): Don't destroy the assertion_hashtable.
295 (do_assert): Gut and rewrite. #assert foo (bar) places
296 entries for `#foo' and `#foo(bar)' in the macro hash table,
297 type T_ASSERT. The value union's `aschain' member is used
298 to chain all answers for a given predicate together.
299 (do_unassert): Also rewritten. Take an un-asserted
300 answer off the chain from its predicate and call
301 delete_macro on the hashnode, or walk a predicate chain
302 calling delete_macro on all the entries.
303 (cpp_read_check_assertion): Simply call parse_assertion to
304 get the canonical assertion name, and look that up in the
307 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
310 * cpphash.c (install): Use bcopy instead of an explicit loop
311 to copy the macro name.
313 * cppexp.c (cpp_lex): Convert the result of
314 cpp_read_check_assertion to a `struct operation' directly;
315 don't go through parse_number.
317 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
319 * loop.h (struct induction): Delete times_used member.
320 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
321 (n_times_used): Rename to n_times_set. Changed all users.
322 (scan_loop): Free reg_single_usage before strength reduction.
323 (record_giv, combine_givs): Remove handling of times_used member.
324 (combine_givs_used_once): Rename to:
325 (combine_givs_used_by_other) . Changed all callers.
327 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
329 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
330 instead of TREE_CODE_CLASS == 't'.
331 (gen_type_die): Likewise.
332 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
334 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
336 * real.c (endian): Disable last change unless
337 HOST_BITS_PER_WIDE_INT is greater than 32.
339 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
341 * output.h (force_data_section): New prototype.
342 * varasm.c (force_data_section): New function to force the
343 data section, regardless of what in_section thinks.
344 * dwarf2out.c (output_call_frame_info): Call force_data_section
345 since varasm may not realize we've changes sections.
347 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
349 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
350 after completeing reload.
352 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
353 deleted after reload.
355 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
357 * rtl.h (multiple_sets): Fix prototype.
358 * rtlanal.c (multiple_sets): Fix return type.
360 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
362 * version.c: Bump for snapshot.
364 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
366 * version.c: Bump for snapshot.
368 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
370 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
372 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
374 * rtl.h (recompute_reg_usage): Add second argument.
375 * flow.c (recompute_reg_usage): Likewise.
376 * toplev.c (rest_of_compilation): Supply second argument to
379 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
382 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
384 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
385 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
386 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
389 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
391 * rtlanal.c (multiple_sets): New function.
392 * rtl.h (multiple_sets): Declare it.
393 * local-alloc.c (wipe_dead_reg): Use it.
394 * global.c (global_conflicts): Likewise.
396 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
398 * global.c (record_conflicts): Don't use an array of shorts to
399 store an array of ints.
400 (global_conflicts): Likewise.
402 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
404 * alpha.c (alpha_expand_block_move): mode_for_size expects
405 bits, not bytes. Infer extra alignment from addressof.
407 1998-12-11 Michael Meissner <meissner@cygnus.com>
409 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
410 .sbss section, not .sdata.
412 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
414 * cccp.c: Do not #include <sys/stat.h> here; this is already done
416 * collect2.c: Likewise.
417 * cpplib.h: Likewise.
420 * getpwd.c: Likewise.
421 * protoize.c: Likewise.
422 * toplev.c: Likewise.
424 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
425 and don't try to define it here.
426 * Makefile.in (cppmain.o): Depend on machmode.h.
427 (cpplib.o): Likewise.
428 (cpperror.o): Likewise.
429 (cppexp.o): Likewise.
430 (cppfiles.o): Likewise.
431 (cpphash.o): Likewise.
432 (cppalloc.o): Likewise.
433 (fix-header.o): Likewise.
434 (scan-decls.o): Likewise.
436 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
438 * sh.c (print_operand): lookup interrupt_handler attribute instead
439 of relying on static variable.
440 * (calc_live_regs): Likewise.
441 * (sh_pragma_insert_attributes): Create interrupt_handler
442 attribute if a pragma was specified
443 * (sh_valid_machine_decl_attribute): Don't set static flag.
444 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
446 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
448 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
449 to determine if a register is live at a jump destination.
450 Everything is dead at a BARRIER.
452 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
454 * cse.c (simplify_unary_operation): Sign-extend constants when
455 they have the most significant bit set for the target.
456 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
458 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
459 HOST_WIDE_INT temporary before negating it.
460 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
462 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
464 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
467 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
469 * collect2.h: New header file for prototypes.
471 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
473 * collect2.c: Include collect2.h.
476 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
478 * flow.c: Update some comments.
480 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
482 * objc/objc-act.c (cpp_initialized): Removed.
483 (lang_init_options): Initialize cpplib.
484 (lang_decode_option): Move initialization of cpplib to
486 * c-lang.c: (parse_options,parse_in): Added.
487 (lang_init_options): Initialized cpplib here.
488 * c-decl.c (parse_options,cpp_initialized): Removed.
489 (c_decode_option): Move initialization of cpplib to
492 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
494 * reload1.c (reload_combine, reload_combine_note_store):
495 Make STORE_RUID always valid.
496 (reload_combine): Check if BASE is clobbered too early.
498 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
500 * reload.c (find_reloads): Display the insn that cannot be
503 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
505 * cccp.c (create_definition): Fix end of bufer logic.
507 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
509 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
510 pointer parameters changed to use the PARAMS() macro.
512 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
514 * except.h (struct handler_info): Add handler_number field.
515 * except.c (gen_exception_label): EH labels no longer need to be
516 on the permanent obstack.
517 (get_new_handler): Set the label number field.
518 (output_exception_table_entry): Regenerate handler label reference
519 from the label number field.
520 (init_eh): Remove a blank line.
521 * integrate.c (get_label_from_map): Labels no longer need to be
522 on the permanent obstack.
524 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
526 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
527 only when OUTER_CODE is SET.
529 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
531 * loop.c (strength_reduce): If scan_start points to the loop exit
532 test, be wary of subversive use of gotos inside expression statements.
533 Don't set maybe_multiple for a backward jump that does not
534 include the label under consideration into its range.
535 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
537 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
539 * explow.c (plus_constant_wide): Don't immediately return with
540 result of recursive call.
542 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
544 * eh-common.h (struct eh_context): Add table_index for rethrows.
546 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
547 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
548 processed when inlined or unrolled (ie duplicated in some way).
550 * rtl.c (reg_note_name): Add strings for new reg_note enums.
552 * expr.h (rethrow_libfunc): New library decl.
554 * optabs.c (rethrow_libfunc): Initialize.
556 * except.h (struct eh_entry): Add new field 'rethrow_label'.
557 (new_eh_region_entry): No longer exported from except.c.
558 (duplicate_handlers): Renamed to duplicate_eh_handlers and
560 (rethrow_symbol_map, rethrow_used): New exported functions.
561 (eh_region_from_symbol): New exported function.
563 * except.c (create_rethrow_ref): New function to create a single
564 SYMBOL_REF for a rethrow region.
565 (push_eh_entry): Initialize a rethrow ref.
566 (func_eh_entry): Add a rethrow_label field.
567 (new_eh_region_entry): Make static, and initialize the rethrow entry.
568 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
569 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
570 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
571 a region into an appropriate new symbol.
572 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
573 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
574 (end_catch_handler): Emit a barrier for new-exceptions since
575 control can never drop through the end of a catch block.
576 (expand_end_all_catch): new-exceptions never fall through a catch
578 (expand_rethrow): use __rethrow routine for new exceptions.
579 (output_exception_table_entry): Generate rethrow labels, if needed.
580 (output_exception_table): Generate start and end rethrow labels.
581 (init_eh): Create rethrow symbols for beginning and end of table.
582 (scan_region): Don't eliminate EH regions which are the targets of
585 * flow.c (make_edges): Add different edges for rethrow calls,
586 identified by having the REG_EH_RETHROW reg label.
587 (delete_unreachable_blocks): Don't delete regions markers which are
588 the target of a rethrow.
590 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
591 allow save_for_inline_copying to call duplicate_eh_handlers.
592 (save_for_inline_copying): Call duplicate_eh_handlers instead of
593 exposing internal details of exception regions.
594 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
595 (expand_inline_function_eh_labelmap): New callback routine to
596 allow expand_inline_function to call duplicate_eh_handlers.
597 (expand_inline_function): Call duplicate_eh_handlers instead of
598 exposing internal details of exception regions.
599 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
602 * libgcc2.c (find_exception_handler): Generalize to enable it to
603 pick up processing where it left off last time for a rethrow.
604 (__unwinding_cleanup): New function. debug hook which is called before
605 unwinding when __throw finds there is nothing but cleanups left.
606 (throw_helper): Common parts of __throw extracted out for reuse.
607 (__throw): Common parts moved to throw_helper.
608 (__rethrow): New function for performing rethrows.
610 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
612 * reload1.c (current_function_decl): Tweak declaration.
614 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
616 * c-decl.c (flag_isoc9x): Default off.
617 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
618 * cccp.c (print_help, main): Likewise.
619 * gcc.c (default_compilers): Update for -std=gnu*.
621 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
623 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
624 * demangle.h: Deleted.
626 * reload1.c (current_function_decl): Declare.
628 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
630 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
632 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
634 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
636 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
638 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
640 * configure: Rebuilt.
641 * system.h: If the *_unlocked functions are available use them
642 instead of the locked counterparts by defining macros.
643 * config.in: Regenerated.
645 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
647 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
648 wrong and should only be used for dump related things, not
649 debugging information, instead main_input_filename should be used.
650 Also, reuse output_file_directive if possible.
651 * i386/aix386ng.h (ASM_FILE_START): Likewise.
652 * i386/isc.h (ASM_FILE_START): Likewise.
653 * i386/win-nt.h (ASM_FILE_START): Likewise.
654 * i386/sun386.h (ASM_FILE_START): Likewise.
656 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
658 * configure.in (mips*-*-linux*): Handle big and little endian
660 * configure: Rebuilt.
662 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
664 * emit-rtl.c: Fix typo.
666 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
668 * reload1.c (eliminate_regs): Don't do anything, if we're not
671 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
673 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
675 * mips/mips.c (mips_select_section): Add comment.
677 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
679 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
680 characters in file names in #line to be consistent with #include
681 handling. We support escape prcessing in the # 1 "..." version of
682 the command. See also support in cp/lex.c.
683 (handle_directive): Likewise.
686 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
688 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
689 so it'll work on non-ASCII platforms. Always consider $ an
690 identifier character. Take no arguments.
691 (cpp_reader_init): Call initialize_char_syntax with no
693 (cpp_start_read): Don't call initialize_char_syntax again.
694 Clear is_idchar['$'] and is_idstart['$'] if not
695 opts->dollars_in_ident.
697 * cpplib.h (struct cpp_reader): Replace void *data element by
698 cpp_options *opts. Rearrange elements to make gdb printout
699 less annoying (put buffer stack at end).
700 (CPP_OPTIONS): Get rid of now-unnecessary cast.
702 * cppmain.c: s/data/opts/ when initializing cpp_reader
704 * c-decl.c: Likewise.
705 * objc/objc-act.c: Likewise.
706 * fix-header.c: Likewise.
708 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
710 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
711 with a struct file_name_list pointer.
712 (struct cpp_reader): Add pointer to chain of `actual
713 directory' include searchpath entries.
714 (struct file_name_list): Add *alloc pointer for the sake of
715 the actual-directory chain.
717 Move definition of HOST_WIDE_INT here.
718 (cpp_parse_escape): Change prototype to match changes in
721 * cppfiles.c (actual_directory): New function.
722 (finclude): Use it to initialize the buffer's actual_dir
724 (find_include_file): We don't need to fix up max_include_len
727 * cpplib.c (do_include): Don't allocate a file_name_list on
728 the fly for current directory "" includes, use the one that's
729 been preallocated in pfile->buffer->actual_dir. Hoist out
730 duplicate code from the search_start selection logic.
731 (cpp_reader_init): Initialize pfile->actual_dirs.
733 Remove definition of HOST_WIDE_INT. Change calls
734 to cpp_parse_escape to match changes in cppexp.c (note
735 hardcoded MASK, which is safe since this is the source
738 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
739 to handle wide character constants in #if directives. The
740 function now returns a HOST_WIDE_INT, and takes a third
741 argument which is a binary mask for all legal values (0x00ff
742 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
743 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
744 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
746 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
748 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
750 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
752 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
753 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
754 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
756 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
758 * final.c (output_asm_name): Use tabs to seperate comments from
761 Include instruction lengths (if defined) in output.
763 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
765 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
766 in the loop_info structure.
768 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
770 * configure.in: (arm*-*-ecos-elf): New target.
771 * configure: Regenerated.
772 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
773 * config/arm/ecos-elf.h: New file.
774 * config/arm/unknown-elf.h (TARGET_VERSION): Check
777 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
779 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
781 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
783 * version.c: Bump for snapshot.
785 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
787 * loop.c (check_dbra_loop): New argument loop_info. Update fields
790 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
792 * version.c: Bump for snapshot.
794 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
796 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
797 compressed reports are ok and preferred over URLs
799 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
801 * invoke.texi (Warning Options): Soften the tone of -pedantic
803 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
805 * print-rtl.c (print_rtx): Add prototype.
807 * unroll.c (iteration_info): Make it static.
809 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
811 * alias.c (memrefs_conflict_p): A second ANDed address
812 disables the aligned address optimization.
814 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
816 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
819 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
821 * i960.h (BOOL_TYPE_SIZE): Define.
823 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
825 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
826 from old valid_parallel_operands_4.
827 (valid_parallel_operands_4): Check that operands for 4 operand
828 parallel insns are valid, excluding load/store insns.
829 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
830 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
831 valid_parallel_load_store instead of valid_parallel_operands_4.
832 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
833 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
834 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
835 *notqi_movqi_clobber): Use valid_parallel_operands_4.
836 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
837 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
838 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
840 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
842 * config/c4x/c4x.c (iteration_info): Delete extern.
844 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
846 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
848 * final.c (cleanup_subreg_operands): Delete some unused code.
850 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
851 (struct insn_alternative): New structure definition.
852 (recog_op_alt): Declare variable.
853 (preprocess_constraints): Declare function.
854 * recog.c (recog_op_alt): New variable.
855 (extract_insn): Verify number of alternatives is in range.
856 (preprocess_constraints): New function.
857 * reg-stack.c: Include recog.h.
858 (constrain_asm_operands): Delete.
859 (get_asm_operand_lengths): Delete.
860 (get_asm_operand_n_inputs): New function.
861 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
862 N_OUTPUTS args. All callers changed.
863 Compute number of inputs and outputs here by calling
864 get_asm_operand_n_inputs.
865 Instead of constrain_asm_operands, call extract_insn,
866 constrain_operands and preprocess_constaints. Use information
867 computed by these functions throughout.
868 (record_reg_life): Delete code that is unused due to changes in
870 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
871 N_INPUTS and N_OUTPUTS args. All callers changed.
872 Similar changes as in record_asm_reg_life.
873 (subst_stack_regs): Move n_operands declaration into the if statement
875 Delete code that is unused due to changes in subst_asm_stack_regs.
876 * stmt.c (expand_asm_operands): Verify number of alternatives is in
878 * Makefile.in (reg-stack.o): Depend on recog.h.
880 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
882 * except.c (set_exception_version_code): Argument is an "int".
884 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
886 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
887 * configure: Rebuilt.
889 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
891 * configure.in (mipsel-*-linux*): New target.
892 * mips/linux.h: New file, based on other Linux targets.
894 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
896 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
897 runs in the context of the deleter, not the deletee, so we must
898 use taskVarGet to find the correct memory to free.
899 (__gthread_key_create): Initialize the task
900 variable subsystem so that the task variable is still active when
901 the delete hook is run.
903 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
905 * pdp11.h: Use optimize_size for space optimizations.
907 * pdp11.md: Likewise.
909 * pdp11.h (TARGET_40_PLUS): Fix typo.
911 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
913 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
916 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
918 * alias.c (addr_side_effect_eval): New function.
919 (memrefs_conflict_p): Use it.
920 * rtl.h (addr_side_effect_eval): Prototype it.
922 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
924 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
926 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
928 * reload.c (find_reloads): When force const to memory, put result
929 in substed_operand not *recog_operand_loc.
931 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
933 * c-lex.c: Fix indentation from last patch.
934 Remove trailing whitespace.
937 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
939 * flow.c (delete_block): Call set_last_insn after we have reset
940 NEXT_INSN (kept_tail).
942 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
944 * mips.md (trap_if): Use "$0" for the value zero.
946 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
947 Stephen L Moshier <moshier@world.std.com>
948 Richard Henderson <rth@cygnus.com>
950 * c-common.c (declare_function_name): Declare predefinied variable
953 * c-decl.c (flag_isoc9x): Set to 1 by default.
954 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
955 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
957 * c-parse.in: Allow constructors in ISO C 9x.
958 Rewrite designator list handling.
959 Allow [*] parameters.
960 Don't warn about comma at end of enum definition for ISO C 9x.
962 * cccp.c (c9x): New variable.
963 (rest_extension): New variable.
964 (print_help): Document new -std= option.
965 (main): Recognize -std= option. Set c9x appropriately.
966 (create_definition): Recognize ISO C 9x vararg macros.
968 * gcc.c (default_compilers): Adjust specs for -std options.
969 (option_map): Add --std.
970 (display_help): Document -std.
972 * toplev.c (documented_lang_options): Add -std and remove
975 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
976 or REAL_VALUE_HTOF based on base of the constants.
977 * fold-const.c (real_hex_to_f): New function. Replacement function
978 for hex FP conversion if REAL_ARITHMETIC is not defined.
979 * real.c (asctoeg): Add handling of hex FP constants.
980 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
983 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
985 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
986 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
987 expansion. Use hi/lo as destination register.
989 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
990 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
991 Avoid as macro expansion. Use hi/lo as destination register.
993 * mips.h (MASK_CHECK_RANGE_DIV): New.
994 (MASK_NO_CHECK_ZERO_DIV): New.
995 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
996 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
997 return address for leaf functions out of r31 to support
998 builtin_return_address.
1000 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1002 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
1003 NEXT_INSN(x) to check insn x.
1005 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
1007 * flow.c (delete_block): Call set_last_insn if we end up deleting the
1008 last insn in the rtl chain.
1010 * reload1.c (reload): Do not set reload_completed or split insns
1012 * toplev.c (rest_of_compilation): Set reload_completed after
1013 reload returns. Split insns after reload_cse has run.
1015 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
1017 * final.c (final_scan_insn): Abort if block_depth falls below 0.
1019 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
1021 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
1023 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
1025 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
1026 use of user-label_prefix.
1028 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1030 * reload1.c (emit_reload_insns): Clear spill_reg_store
1031 when doing a new non-inherited reload from the same pseudo.
1033 * local-alloc.c (function_invariant_p): New function.
1034 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
1035 to decide if an equivalence should be recorded.
1036 * reload1.c (num_eliminable_invariants): New static variable.
1037 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
1038 to decide if an equivalence should be recorded.
1040 (calculate_needs_all_insns): Skip insns that only set an equivalence.
1041 Take num_eliminable_invariants into account when deciding
1042 if register elimination should be done.
1043 (reload_as_needed): Take num_eliminable_invariants into account
1044 when deciding if register elimination should be done.
1045 (eliminate_regs): Handle non-constant reg_equiv_constant.
1046 * rtl.h (function_invariant_p): Declare.
1048 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
1050 * version.c: Bump for snapshot.
1052 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
1054 * version.c: Bump for snapshot.
1056 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
1058 * except.c (add_new_handler): Complain about additional handlers
1059 after one that catches everything.
1061 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
1063 * configure.in (alpha*-*-netbsd): Fix typo.
1064 * configure: Rebuilt.
1066 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1068 * system.h: Include libiberty.h.
1070 * c-aux-info.c: Remove prototypes for concat/concat3. Change
1071 function `concat' from fixed parameters to variable parameters,
1072 as is done in libiberty. All callers of concat/concat3
1073 changed to use the new `concat' with variable args.
1075 * cccp.c: Remove things made redundant by libiberty.h and/or
1076 conform to libiberty standards.
1078 * collect2.c: Likewise.
1079 * config/1750a/1750a.h: Likewise.
1080 * cppalloc.c: Likewise.
1081 * cppexp.c: Likewise.
1082 * cppfiles.c: Likewise.
1083 * cpphash.c: Likewise.
1084 * cpplib.c: Likewise.
1085 * dyn-string.c: Likewise.
1086 * fix-header.c: Likewise.
1089 * genattr.c: Likewise.
1090 * genattrtab.c: Likewise.
1091 * gencheck.c: Likewise.
1092 * gencodes.c: Likewise.
1093 * genconfig.c: Likewise.
1094 * genemit.c: Likewise.
1095 * genextract.c: Likewise.
1096 * genflags.c: Likewise.
1097 * gengenrtl.c: Likewise.
1098 * genopinit.c: Likewise.
1099 * genoutput.c: Likewise.
1100 * genpeep.c: Likewise.
1101 * genrecog.c: Likewise.
1102 * getpwd.c: Likewise.
1103 * halfpic.c: Likewise.
1105 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
1106 in NEED_DECLARATION_* macros.
1108 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
1109 conform to libiberty standards.
1110 (fatal): Fix const-ification of variable `format' in
1111 !ANSI_PROTOTYPES case.
1113 * prefix.c: Remove things made redundant by libiberty.h and/or
1114 conform to libiberty standards.
1116 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
1117 conflicting with function `spaces' from libiberty.
1119 * profile.c: Remove things made redundant by libiberty.h and/or
1120 conform to libiberty standards.
1121 * protoize.c: Likewise.
1124 * tlink.c: Likewise.
1125 * toplev.c: Likewise.
1126 * toplev.h: Likewise.
1129 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1131 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
1133 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1135 * README.C4X: Updated URLs.
1136 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
1137 (valid_parallel_operands_5): Remove unused variable.
1139 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1141 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
1143 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
1145 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
1146 which can be configured.
1147 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
1148 (Makefile): Pass actual LANGUAGES through the environment when
1150 (cstamp-h): Likewise.
1151 (config.status): Likewise.
1153 * configure.in (enable_languages): Add new configuration parameter
1154 "--enable-languages=lang1,lang2,...".
1155 (${srcdir}/*/config-lang.in): Change handling to configure only
1156 those directories, that the user might have enabled; default to
1157 "all" existing languages.
1158 * configure: Regenerate.
1160 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
1162 * rtlanal.c (regs_set_between_p): New function.
1163 * rtl.h (regs_set_between_p): Prototype it.
1164 * jump.c (jump_optimize): Use it instead of modified_between_p
1165 in the Sep 2 change.
1167 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
1168 Matthias Pfaller <leo@dachau.marco.de>
1170 * invoke.texi (Option Summary, NS32K Options): add description
1171 of NS32K specific options.
1173 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
1174 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
1175 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
1176 negdf2, absdf2): Use l instead of f since the double class and
1177 float class are no longer the same.
1178 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
1179 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
1180 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
1181 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
1183 (cmpsi, cmphi, cmpqi): use general_operand instead of
1184 non_immediate_operand. Removes erroneous assumption that can't
1186 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
1187 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
1189 (movstrsi, movstrsi1, movstrsi2): completely new block move
1191 (...): Patterns to exploit multiply-add instructions.
1192 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
1193 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
1194 patterns to exploit extended divide insns.
1195 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
1198 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
1199 float return values as well as simple scalar floats.
1200 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
1201 support new flag to denote 32381 fpu.
1202 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
1203 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
1205 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1206 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
1207 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
1208 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
1209 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
1210 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
1211 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
1212 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
1213 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
1214 fpu registers and special register classes for new 32381
1215 instructions dotf and polyf.
1216 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
1218 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
1219 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
1221 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
1222 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
1223 (REGISTER_MOVE_COST): move code to register_move_cost function for
1224 ease of coding and debugging.
1225 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
1226 LONG_FLOAT_REGO is likely spilled but not caught by default
1228 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
1229 instead of hard coded numbers in range check.
1230 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
1231 (...): Add prototypes for functions in ns32k.c but disable because
1232 of problems when ns32k.h is included in machine independant files.
1234 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
1235 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
1236 hard_regno_mode_ok, secondary_reload_class,
1237 print_operand, print_operand_address): new register scheme to
1238 include 32381 fpu registers and special register classes for new
1239 32381 instructions dotf and polyf.
1240 (gen_indexed_expr): Make static to keep namespace clean.
1241 (check_reg): remove since never called.
1242 (move_tail, expand_block_move): helper functions for "movstrsi"
1244 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
1245 Increase cost of moves which go via memory.
1246 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
1247 (CPP_PREDEFINES): nolonger predefine "unix".
1249 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
1250 Remove erroneous %$. print_operand() can work out from the rtx is
1251 an immediate prefix is required.
1253 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
1254 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
1255 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
1257 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
1260 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
1261 Correct handling of pic operands.
1262 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
1263 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
1264 -mrtd calling convention.
1266 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
1268 * gcc.c (option_map): Recognize --output-class-directory.
1270 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1272 * loop.h (precondition_loop_p): Added new mode argument.
1273 * unroll.c (precondition_loop_p): Likewise.
1274 (approx_final_value): Function deleted and subsumed
1275 into loop_iterations.
1276 (loop_find_equiv_value): New function.
1277 (loop_iterations): Use loop_find_equiv_value to find increments
1278 too large to be immediate constants. Also use it to find terms
1279 common to initial and final iteration values that can be removed.
1281 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1283 * loop.h (struct loop_info): Define new structure.
1284 (precondition_loop_p): Added prototype.
1285 (unroll_loop): Added new argument loop_info to prototype.
1286 (final_biv_value, final_giv_value): Added new argument n_iterations
1288 * loop.c (strength_reduce): Declare new structure loop_iteration_info
1289 and new pointer loop_info.
1290 (loop_n_iterations): Replace global variable by element in
1291 loop_info structure.
1292 (check_final_value): New argument n_iterations.
1293 (insert_bct): New argument loop_info.
1294 (loop_unroll_factor): Replace global array by element in
1295 loop_info structure.
1296 (loop_optimize): Remove code to allocate and initialise
1297 loop_unroll_factor_array.
1298 * unroll.c (precondition_loop_p): No longer static since
1299 used by branch on count optimization.
1300 (precondition_loop_p, unroll_loop): New argument loop_info.
1301 (final_biv_value, final_giv_value, find_splittable_regs): New
1302 argument n_iterations.
1303 (loop_iteration_var, loop_initial_value, loop_increment,
1304 loop_final_value, loop_comparison_code, loop_unroll_factor):
1305 Replaced global variables by loop_info structure.
1306 (loop_unroll_factor): Replace global array by element in
1307 loop_info structure.
1309 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1311 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
1314 * unroll.c (precondition_loop_p): Return loop_initial_value
1315 for initial_value instead of loop_iteration_var.
1317 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1319 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
1320 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
1321 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
1322 to output the instruction sequences.
1324 (rptb_top): Provide alternatives to use any register or memory
1326 (rptb_end): Emit use of operands rather than assigning them
1327 explicitly to the RS and RE registers.
1329 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1331 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
1332 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
1333 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
1334 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
1335 c4x_merge_notes, c4x_parallel_process,
1336 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
1337 c4x_combine_parallel): Delete.
1339 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1341 * config/c4x/c4x.c: (c4x_override_options): For compatibility
1342 with old target options clear flag_branch_on_count_reg if
1343 -mno-rptb specified and set flag_argument_alias is -mno-aliases
1345 (c4x_output_cbranch): Handle a sequence of insns rather than a
1347 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
1348 has not been allocated as the loop counter.
1349 (c4x_address_conflict): Do not allow two volatile memory references.
1350 (valid_parallel_operands_4, valid_parallel_operands_5,
1351 valid_parallel_operands_6): Reject pattern if the register destination
1352 of the first set is used as part of an address in the second set.
1354 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1356 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
1357 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
1358 is no longer enabled if PARALLEL_MPY_FLAG set.
1359 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
1360 (REG_CLASS_CONTENTS): Add braces around initializers.
1361 (HAVE_MULTIPLE_PACK): Define.
1362 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
1363 REAL_VALUE_TO_DECIMAL.
1364 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
1365 REAL_VALUE_TO_DECIMAL.
1366 (ar0_reg_operand): Add prototype.
1367 (ar0_mem_operand): Likewise.
1368 (ar1_reg_operand): Likewise.
1369 (ar1_mem_operand): Likewise.
1370 (ar2_reg_operand): Likewise.
1371 (ar2_mem_operand): Likewise.
1372 (ar3_reg_operand): Likewise.
1373 (ar3_mem_operand): Likewise.
1374 (ar4_reg_operand): Likewise.
1375 (ar4_mem_operand): Likewise.
1376 (ar5_reg_operand): Likewise.
1377 (ar5_mem_operand): Likewise.
1378 (ar6_reg_operand): Likewise.
1379 (ar6_mem_operand): Likewise.
1380 (ar7_reg_operand): Likewise.
1381 (ar7_mem_operand): Likewise.
1382 (ir0_reg_operand): Likewise.
1383 (ir0_mem_operand): Likewise.
1384 (ir1_reg_operand): Likewise.
1385 (ir1_mem_operand): Likewise.
1386 (group1_reg_operand): Likewise.
1387 (group1_mem_operand): Likewise.
1388 (ir1_reg_operand): Likewise.
1389 (arx_reg_operand): Likewise.
1390 (not_rc_reg): Likewise.
1391 (not_modify_reg): Likewise.
1392 (c4x_group1_reg_operand): Remove prototype.
1393 (c4x_group1_mem_operand): Likewise.
1394 (c4x_arx_reg_operand): Likewise.
1396 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
1398 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
1399 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
1401 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1403 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
1406 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1408 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
1409 unless FMOVD_WORKS is defined.
1411 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1413 * regclass.c (init_reg_sets): Move code that calculates tables
1414 dependent on reg_class_contents from here...
1415 (init_reg_sets_1): To here.
1417 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1419 * cpplib.h: Delete struct import_file. Add ihash element to
1420 struct cpp_buffer. Delete dont_repeat_files and
1421 import_hash_table elements from cpp_reader; change
1422 all_include_files to a hash table. Delete all foobar_include
1423 / last_foobar_include elements from struct cpp_options; put
1424 back four such: quote_include, bracket_include,
1425 system_include, after_include. Redo struct file_name_list
1426 completely. Add new structure type include_hash. Add
1427 prototypes for merge_include_chains and include_hash. Change
1428 prototypes for finclude, find_include_file, and
1429 append_include_chain to match changes below.
1431 * cppfiles.c (simplify_pathname, include_hash,
1432 remap_filename, merge_include_chains): New functions.
1433 (add_import, lookup_import, open_include_file): Removed.
1434 (INO_T_EQ): Define this (copied from cccp.c).
1435 (hack_vms_include_specification): Remove all calls and #if 0
1436 out the definition. It was being called incorrectly and at
1437 the wrong times. Until a VMSie can look at this, it's better
1438 to not pretend to support it.
1439 (append_include_chain): Change calling convention; now takes
1440 only one directory at a time, and sets up the data structure
1442 (redundant_include_p): Rewritten - this is now used for all
1443 include redundancy, whether by #ifndef, #import, or #pragma
1444 once. Looks up things in the include hash table.
1445 (file_cleanup): Decrement pfile->system_include_depth here if
1447 (find_include_file): Calling convention changed; now passes
1448 around a struct include_hash instead of 3 separate parameters.
1449 Guts ripped out and replaced with new include_hash mechanism.
1450 (finclude): Calling convention changed as for
1451 find_include_file. Error exits pulled out-of-line. Reformat.
1452 (safe_read): Return a long, not an int.
1453 (deps_output): Don't recurse.
1455 * cpplib.c (is_system_include): Deleted.
1456 (path_include): Fix up call to append_include_chain.
1457 (do_include): Fix up calls to find_include_file and finclude.
1458 Clean up dependency output a bit. Shorten obnoxiously lengthy
1459 #import warning message. Don't decrement
1460 pfile->system_include_depth here.
1461 (do_pragma): Understand the include_hash structure. Reformat.
1462 (do_endif): Correct handling of control macros. Understand
1464 (cpp_start_read): Fix up calls to finclude. Call
1465 merge_include_chains.
1466 (cpp_handle_option): Fix up calls to append_include_chain.
1467 Understand the four partial include chains.
1468 (cpp_finish): Add debugging code (#if 0-ed out) for the
1470 (cpp_cleanup): Free the include_hash, not the import hash and
1471 the all_include and dont_repeat lists which no longer exist.
1473 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
1475 * toplev.c (no_new_pseudos): Define.
1476 (rest_of_compilation): Set no_new_pseudos as needed.
1477 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
1478 if no_new_pseudos is set.
1479 * rtl.h (no_new_pseudos): Declare it.
1480 * reload1.c (reload): Update comments.
1481 * md.texi: Corresponding changes.
1483 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1485 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
1486 (choose_reload_regs): Rename it here as well. When computing it,
1487 also merge in used hardregs.
1489 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1491 * gcc.c: Split out Objective-C specs to...
1492 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
1495 * c-lex.c (init_parse): Always initialize the filename global.
1496 * objc/objc-act.c (lang_init): Always call check_newline at
1499 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
1501 * reload1.c (reload): Remove unused variable.
1502 (reload_reg_free_for_value_p): Add missing parameter definition.
1504 * jump.c (jump_optimize): Remove unused variable.
1506 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
1508 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
1510 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
1512 * expr.c (move_by_pieces): Similarly.
1513 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
1514 * flow.c (find_auto_inc): Similarly.
1515 (try_pre_increment): Similarly.
1516 * loop.c (strength_reduce): Similarly.
1517 * regclass.c (auto_inc_dec_reg_p): Similarly.
1518 * regmove.c (try_auto_increment): Similarly.
1519 (fixup_match_1): Similarly.
1520 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
1521 (HAVE_PRE_DECREMENT): Similarly.
1522 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
1523 * Corresponding changes to all target header files.
1524 * tm.texi: Update docs for autoinc addressing modes.
1526 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
1528 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
1529 * configure: Rebuild.
1530 * config/elfos.h: New file.
1531 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
1532 config/m68k/t-m68kelf: New file.
1534 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
1536 * Makefile.in (HOST_AR): Define.
1537 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
1538 (libcpp.a): Use the host tools explicitly.
1539 (STAGESTUFF): Add libcpp.a.
1541 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
1543 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
1544 to source and destination registers.
1546 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
1548 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
1549 The strategy we now use is to pre allocate the top_elt along
1550 with the EH context so that each thread has its own top_elt.
1551 This is necessary as the dynmanic cleanup chain is used on the
1552 top element of the stack and each thread MUST have its own.
1553 (eh_context_static): Likewise.
1554 (new_eh_context): Likewise.
1555 (__sjthrow): Likewise.
1557 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
1559 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
1560 * i386.md (prologue_get_pc): Remove unused variable.
1562 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
1564 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
1566 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
1568 * Makefile.in (OBJS): Add graph.o
1569 (graph.o): New dependency list.
1570 * flags.h: Declare dump_for_graph and define graph_dump_types type.
1571 * print-rtl.c (dump_for_graph): Define new variable.
1572 (print_rtx): Rewrite to allow use in graph dumping functions.
1573 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
1574 finish_graph_dump_file.
1575 Define graph_dump_format.
1576 (compile_file): If graph dumping is enabled also clear these files.
1577 Finish graph dump files.
1578 (rest_of_compilation): Also dump graph information if enabled.
1579 (main): Recognize -dv to enabled VCG based graph dumping.
1580 * graph.c: New file. Graph dumping functions.
1582 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
1584 * configure.in: Look for <sys/stat.h>.
1585 * system.h: Include it before substitute S_ISREG definitions.
1587 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
1589 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
1590 * config/mips/iris6.h: Same.
1591 * config/mips/mips.md: Same.
1592 * config/mips/mips.c: Same; also add "-mabi=o64" option.
1593 * config/mips/mips.h: Same; also define ABI_O64.
1595 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1597 * configure.in: Use AC_PREREQ(2.12.1).
1599 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
1601 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
1602 * cpplib.c, gcc.c: Likewise.
1603 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
1605 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
1607 * local-alloc.c (local_alloc): Use malloc not alloca for
1608 reg_qty, reg_offset, ref_next_in_qty.
1610 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1612 * caller-save.c (insert_one_insn): Initialize the live_before and
1613 live_after register sets.
1617 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
1618 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
1619 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
1620 (fp_reg_names, assembler_dialect): New variables.
1621 (print_operand_address): Handle SUBREGs.
1622 (print_operand): Added 'o' case.
1623 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
1624 Name of FP registers depends on mode.
1625 (expand_block_move): Emit different code for SH4 hardware.
1626 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
1627 (from_compare): Likewise.
1628 (add_constant): New argument last_value. Changed all callers.
1629 (find_barrier): Don't try HImode load for FPUL_REG.
1630 (machine_dependent_reorg): Likewise.
1631 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
1632 (gen_far_branch): Emit a barrier after the new jump.
1633 (barrier_align): Don't trust instruction lengths before
1635 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
1636 Use auto-inc addressing for fp registers if doubles need to
1637 be loaded in two steps.
1638 Set sh_flag_remove_dead_before_cse.
1639 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
1640 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
1641 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
1642 Support for FIRST_XD_REG .. LAST_XD_REG.
1643 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
1644 (sh_expand_epilogue): Likewise.
1645 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
1646 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
1647 (arith_reg_operand): FPUL_REG is OK for SH4.
1648 (fp_arith_reg_operand, fp_extended_operand) New functions.
1649 (tertiary_reload_operand, fpscr_operand): Likewise.
1650 (commutative_float_operator, noncommutative_float_operator): Likewise.
1651 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
1652 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
1653 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
1654 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
1655 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
1656 (CONDITIONAL_REGISTER_USAGE): Likewise.
1657 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
1658 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
1659 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
1660 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
1661 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
1662 to -1 and sh_flag_remove_dead_before_cse to 1.
1663 (ASSEMBLER_DIALECT): Define to assembler_dialect.
1664 (assembler_dialect, fp_reg_names): Declare.
1665 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
1666 Hide names of registers that are not accessible.
1667 (CACHE_LOG): Take TARGET_CACHE32 into account.
1668 (LOOP_ALIGN): Take TARGET_HARWARD into account.
1669 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
1670 (FIRST_PSEUDO_REGISTER: Now 49.
1671 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
1672 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
1673 (HARD_REGNO_MODE_OK): Update.
1674 (enum reg_class): Add DF_REGS and FPSCR_REGS.
1675 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
1676 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
1677 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
1678 (NPARM_REGS): Eight floating point parameter registers on SH4.
1679 (BASE_RETURN_VALUE_REG): SH4 also passes double values
1680 in floating point registers.
1681 (GET_SH_ARG_CLASS) Likewise.
1682 Complex float types are also returned in float registers.
1683 (BASE_ARG_REG): Complex float types are also passes in float registers.
1684 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
1685 (LIBCALL_VALUE): Remove trailing semicolon.
1686 (ROUND_REG): Round when double precision value is passed in floating
1688 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
1689 passed on the stack.
1690 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
1691 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
1692 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
1693 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
1694 (MODE_DISP_OK_8): Not for SH4 DFmode.
1695 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
1696 Allow indexed addressing for PSImode after reload.
1697 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
1698 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
1699 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
1700 (DOUBLE_TYPE_SIZE): 64 for SH4.
1701 (RTX_COSTS): Add PLUS case.
1702 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
1703 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
1704 MAC_REGS, PR_REGS, DF_REGS.
1705 (REGISTER_NAMES): Use fp_reg_names.
1706 (enum processor_type): Add PROCESSOR_SH4.
1707 (sh_flag_remove_dead_before_cse): Declare.
1708 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
1709 (PREDICATE_CODES): Add binary_float_operator,
1710 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
1711 fpscr_operand, noncommutative_float_operator.
1712 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
1713 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
1714 * sh.md (attribute cpu): Add value sh4.
1715 (attrbutes fmovd, issues): Define.
1716 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
1717 (function units memory, int, mpy, fp): Make dependent on issue rate.
1718 (function units issue, single_issue, load_si, load): Define.
1719 (function units load_store, fdiv, gp_fpul): Define.
1720 (attribute hit_stack): Provide proper default.
1721 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
1722 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
1723 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
1724 (mulsi3_call): Now uses match_operand for function address.
1725 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
1727 (push, pop, push_e, pop_e): Now define_expands.
1728 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
1729 (movsi_ie): Added y/i alternative.
1730 (ic_invalidate_line_i, movdf_i4): New insns.
1731 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
1732 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
1733 (movdf): Add special code for SH4.
1734 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
1735 (call_valuei, calli, call_value): Likewise.
1736 (movsf): Emit no-op move.
1737 (mov_nop, movsi_y): New insns.
1738 (blt, sge): generalize to handle DFmode.
1739 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
1740 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
1741 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
1742 (fpu_switch0, fpu_switch1, movpsi): New expanders.
1743 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
1744 (toggle_sz): New insn.
1745 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
1746 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
1747 (macsf3): Make use of fpscr visible. Disable for SH4.
1748 (floatsisf2): Make use of fpscr visible.
1749 (floatsisf2_i4): New insn.
1750 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
1751 (ieee_ccmpeqsf_t): Likewise.
1752 (fix_truncsfsi2): Emit different code for SH4.
1753 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
1754 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
1755 (negsf2, sqrtsf2, abssf2): Now expanders.
1756 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
1757 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
1758 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
1759 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
1760 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
1761 (fix_truncdfsi2_i4_2+1): New splitters.
1762 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
1763 (extendsfdf2, truncdfsf2): New expanders.
1764 (truncdfsf2_i4): New insn.
1765 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
1766 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
1767 * float-sh.h: When testing for __SH3E__, also test for
1768 __SH4_SINGLE_ONLY__ .
1769 * va-sh.h (__va_freg): Define to float.
1770 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
1771 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
1772 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
1773 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
1775 (TARGET_SH4_P): Define.
1778 * sh.md (movdf_k, movsf_i): Tweak the condition so that
1779 init_expr_once is satisfied about the existence of load / store insns.
1781 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
1782 change m constraint in source operand to mr / mf .
1784 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
1786 * (__VA_REEF): Define.
1787 (__va_arg_sh1): Use it.
1789 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
1791 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
1793 * i386/dgux.c (struct option): Add new "description field".
1794 * m88k/m88k.c (struct option): Likewise.
1796 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
1798 * version.c: Bump for snapshot.
1800 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1802 * regmove.c (regmove_profitable_p): Use return value of find_matches
1805 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
1807 * version.c: Bump for snapshot.
1809 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
1811 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
1812 without reload having been called earlier.
1814 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
1816 (v850_reorg): Similarly.
1818 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
1820 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1822 * loop.c (move_movables): Start of libcall might be new loop start.
1824 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1826 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
1828 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1830 * function.c (nonlocal_goto_handler_slots): Renamed from
1831 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
1832 (push_function_context_to): Adjust for this change.
1833 (pop_function_context_from): Likewise.
1834 (init_function_start): Likewise.
1835 (expand_function_end): Likewise.
1836 * function.h (struct function): Likewise.
1837 * calls.c (expand_call): Likewise.
1838 * explow.c (allocate_dynamic_stack_space): Likewise.
1839 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
1840 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
1842 (expand_goto): When doing a nonlocal goto, find corresponding handler
1843 slot for it. Don't put the label address in the static chain register.
1844 (expand_end_bindings): Break out nonlocal goto handling code into
1845 three new functions.
1846 (expand_nl_handler_label, expand_nl_goto_receiver,
1847 expand_nl_goto_receivers): New static functions, broken out of
1848 expand_end_bindings and adapted to create one handler per nonlocal
1850 * function.c (delete_handlers): Delete insn if it references any of
1851 the nonlocal goto handler slots.
1852 * i960.md (nonlocal_goto): Comment out code that modifies
1854 * sparc.md (nonlocal_goto): Likewise.
1855 (goto_handler_and_restore_v9): Comment out.
1856 (goto_handler_and_restore_v9_sp64): Comment out.
1858 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1860 * expr.c (STACK_BYTES): Delete unused macro.
1861 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
1862 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1863 (expand_call): Likewise.
1864 (emit_library_call): Likewise.
1865 (emit_library_call_value): Likewise.
1866 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
1867 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1868 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
1869 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1870 (allocate_dynamic_stack_space): Likewise.
1871 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
1872 (STACK_BOUNDARY): Update description to reflect the new situation.
1874 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
1876 * reorg.c (relax_delay_slots): When optimizing for code size, if a
1877 return with a filled delay slot is followed by a return with an
1878 unfilled delay slot, delete the first return and reemit the insn
1879 that was previously in its delay slot.
1881 * i860.c (single_insn_src_p): Add missing parens.
1882 * ginclude/math-3300.h: Likewise.
1884 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
1886 * regclass.c (init_reg_sets_1): Add prototype.
1887 (init_reg_modes): Likewise.
1889 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
1891 * c-common.c: Change warning messages to say `comparison is
1892 always true' or `comparison is always false' instead of the
1893 confusing `is always 0', `is always 1'.
1895 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
1897 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
1898 break instead of return (which loses closing '>').
1900 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
1902 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
1903 standard 387 constants.
1905 * i386.md (jump): Explicitly set "memory" attribute.
1906 (indirect_jump, prologue_set_stack_ptr): Likewise.
1907 (prologue_get_pc_and_set_got, pop): Likewise.
1908 (allocate_stack_worder, blockage, return_internal): Likewise.
1909 (return_pop_internal, nop): Likewise.
1910 (epilogue_set_stack_ptr, leave): Likewise.
1912 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
1914 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
1916 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1918 * reload1.c (reload_reg_free_for_value_p):
1919 Early auto_inc reloads don't conflict with outputs.
1921 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1923 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
1924 Instead call AC_HEADER_SYS_WAIT.
1926 * collect2.c: Don't provide defaults for sys/wait.h macros.
1928 * protoize.c: Likewise. Also, don't include sys/wait.h.
1930 * system.h: Include sys/wait.h and provide macro defaults.
1932 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1934 * Makefile.in (mandir): Set to @mandir@.
1935 (man1dir): New variable to hold the former value of $(mandir).
1936 Replace all uses of $(mandir) by $(man1dir).
1938 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
1940 * reload.c (find_reloads_address_part): If have a CONST_INT, create
1941 a new one before passing it to force_const_mem.
1943 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
1944 find_reloads_address call.
1946 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1948 * expr.c (store_expr): Don't generate load-store pair
1949 if TEMP is identical (according to ==) with TARGET.
1951 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1953 * reload1.c (reload_reg_free_for_value_p): When considered reload
1954 has an output, matching inputs are not sufficient to avoid conflict.
1956 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
1958 * hash.h (hash_table_key): New type.
1959 (hash_entry): Change `string' field to generic `key'.
1960 (hash_table): Add `comp' and `hash' functions.
1961 (hash_table_init): Take them as input.
1962 (hash_table_init_n): Likewise.
1963 (hash_lookup): Modify for generic keys.
1964 (hash_newfunc): Likewise.
1965 (hash_traverse): Likewise.
1966 (string_hash): New function.
1967 (string_compare): Likewise.
1968 (string_copy): Likewise.
1969 * hash.c (hash_table_init_n): Modify for generic keys.
1970 (hash_table_init): Likewise.
1971 (hash_lookup): Likewise.
1972 (hash_newfunc): Likewise.
1973 (hash_traverse): Likewise.
1974 (string_hash): Split out from hash_lookup.
1975 (string_compare): New function.
1976 (string_copy): Split out from hash_lookup.
1977 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
1979 (symbol_hash_lookup): Likewise.
1980 (file_hash_newfunc): Likewise.
1981 (file_hash_lookup): Likewise.
1982 (demangled_hash_newfunc): Likewise.
1983 (demangled_hash_lookup): Likewise.
1984 (tlink_int): Likewise.
1985 (read_repo_file): Likewise.
1986 (recompile_files): Likewise.
1987 (demangle_new_symbols): Likewise.
1988 (scan_linker_output): Likewise.
1990 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1992 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
1994 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
1996 * rs6000.c (output_mi_thunk): Improve test for local branch.
1998 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2000 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
2002 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2004 * reload1.c (reload_reg_free_before_p): Delete.
2005 Changed all callers to use reload_reg_free_for_value_p instead.
2006 (reload_reg_free_for_value_p): Handle more reload types.
2007 A RELOAD_FOR_INPUT doesn't conflict with its
2008 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
2009 Add special case for OUT == const0_rtx.
2010 Added ignore_address_reloads argument. Changed all callers.
2012 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
2014 * toplev.c (compile_file): Don't pedwarn about undefined static
2015 functions just because we passed -Wunused.
2017 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2019 * function.c (purge_addressof_1): Unshare rtl created by
2022 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2024 * regmove.c (regmove_optimize): Don't do anything but
2025 optimize_reg_copy[123] when flag_regmove is not set.
2027 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
2029 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
2030 value in paradoxical SImode result, rather than truncating midpoint.
2032 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
2034 * alpha.c (reg_not_elim_operand): New.
2035 * alpha.h (PREDICATE_CODES): Add it.
2036 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
2037 for the multiplicand.
2039 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
2041 * rs6000.md (movsf): Remove explicit secondary-reload-like
2042 functionality. Only truncate SFmode store if in FPR.
2043 (movsf splitters): Combine const_double splitters.
2044 (movsf_hardfloat): Add GPR support.
2046 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
2048 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
2049 deprecate -mlive-g0 and -mbroken-saverestore.
2050 * t-splet (MULTILIB_OPTIONS): Likewise.
2052 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
2053 in a leaf function. Clarify total_size/extra_size relationship.
2055 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
2057 * i386/cygwin32.asm: Delete.
2058 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
2059 * i386/cygwin32.h: Delete.
2060 * i386/cygwin.h: New file, renamed from cygwin32.h.
2061 * i386/t-cygwin32: Delete.
2062 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
2063 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
2064 * i386/x-cygwin32: Delete.
2065 * i386/x-cygwin: New file, renamed from x-cygwin32.
2066 * i386/xm-cygwin32: Delete.
2067 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
2068 renamed cygwin_ funcs for path translations.
2069 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
2070 * i386/winnt.c: Remove "32" from comment about cygwin.
2071 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
2072 * rs6000/cygwin32.h: Delete.
2073 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
2074 -D__CYGWIN__ to CPP_PREDEFINES.
2075 * rs6000/x-cygwin32: Delete.
2076 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
2077 * rs6000/xm-cygwin32: Delete.
2078 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
2080 * configure.in: Check for cygwin* instead of cygwin32. Account
2081 for the rename of cygwin-related config files to lose the "32"s.
2082 * configure: Regenerate.
2084 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
2085 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
2087 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
2089 * Makefile.in (JAVAGC): New macro.
2090 * configure: Rebuilt.
2091 * configure.in: Recognize --enable-java-gc argument. Subst
2094 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2096 Handle equivalences that have been obscured by gcse:
2098 * reload1.c (reload): Handle equivalences set up in multiple places.
2099 * local-alloc.c (reg_equiv_init_insns): New variable.
2100 (no_equiv): New function.
2101 (update_equiv_regs): Handle equivalences set up in multiple places.
2102 Don't ignore an insn just because its destination is likely to be
2105 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
2107 * except.c (expand_eh_return): Readd force_operand call lost in
2110 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
2112 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
2114 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2116 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
2118 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2120 * regmove.c (regmove_optimize): Fix error in last change.
2122 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
2124 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
2125 offset in the .mask pseudo to compensate for frame pointer adjustments.
2126 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
2127 word swap arguments moved to/from FP registers.
2128 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
2130 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
2132 * version.c: Bump for snapshot.
2134 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
2136 * version.c: Bump for snapshot.
2138 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
2140 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
2141 times, then it can not be completely replaced.
2143 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
2145 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
2147 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2149 * gansidecl.h: Prepend a "G" to the macro wrapping this file
2150 (to distinguish it from the macro wrapping ansidecl.h.)
2151 Include libiberty's ansidecl.h. Remove all redundant definitions.
2152 Define the PROTO() style macros in terms of the PARAMS() ones.
2155 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
2156 __STDC__, when deciding whether to use ANSI variable args.
2157 (emit_library_call_value): Likewise.
2159 * cccp.c (error): Likewise.
2160 (warning): Likewise.
2161 (error_with_line): Likewise.
2162 (warning_with_line): Likewise.
2163 (pedwarn): Likewise.
2164 (pedwarn_with_line): Likewise.
2165 (pedwarn_with_file_and_line): Likewise.
2168 * cexp.y (error): Likewise.
2169 (pedwarn): Likewise.
2170 (warning): Likewise.
2172 * collect2.c (fatal_perror): Likewise.
2176 * combine.c (gen_rtx_combine): Likewise.
2178 * cpperror.c (cpp_message): Likewise.
2179 (cpp_fatal): Likewise.
2181 * cpplib.c (cpp_error): Likewise.
2182 (cpp_warning): Likewise.
2183 (cpp_pedwarn): Likewise.
2184 (cpp_error_with_line): Likewise.
2185 (cpp_warning_with_line): Likewise.
2186 (cpp_pedwarn_with_line): Likewise.
2187 (cpp_pedwarn_with_file_and_line): Likewise.
2189 * cpplib.h: Don't define PARAMS() macro.
2191 * demangle.h: Likewise.
2193 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
2194 when deciding whether to use ANSI variable args.
2196 * emit-rtl.c (gen_rtx): Likewise.
2197 (gen_rtvec): Likewise.
2199 * final.c (asm_fprintf): Likewise.
2201 * fix-header.c (cpp_message): Likewise.
2203 (cpp_fatal): Likewise.
2205 * gcc.c (concat): Likewise.
2209 * genattr.c (fatal): Likewise.
2211 * genattrtab.c (attr_rtx): Likewise.
2212 (attr_printf): Likewise.
2215 * gencodes.c (fatal): Likewise.
2217 * genconfig.c (fatal): Likewise.
2219 * genemit.c (fatal): Likewise.
2221 * genextract.c (fatal): Likewise.
2223 * genflags.c (fatal): Likewise.
2225 * genopinit.c (fatal): Likewise.
2227 * genoutput.c (fatal): Likewise.
2230 * genpeep.c (fatal): Likewise.
2232 * genrecog.c (fatal): Likewise.
2234 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
2235 deciding whether to declare `tree_node' and `rtx_def'.
2237 * hash.h: Don't define stuff we get from gansidecl.h.
2239 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
2240 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2241 whether to use ANSI variable args.
2244 * prefix.c (concat): Likewise.
2248 * system.h: Likewise.
2250 * toplev.c (error_with_file_and_line): Likewise.
2251 (error_with_decl): Likewise.
2252 (error_for_asm): Likewise.
2255 (warning_with_file_and_line): Likewise.
2256 (warning_with_decl): Likewise.
2257 (warning_for_asm): Likewise.
2258 (warning): Likewise.
2259 (pedwarn): Likewise.
2260 (pedwarn_with_decl): Likewise.
2261 (pedwarn_with_file_and_line): Likewise.
2263 (really_sorry): Likewise.
2265 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2266 whether to declare `tree_node' and `rtx_def'.
2268 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
2269 deciding whether to use ANSI variable args.
2270 (build_nt): Likewise.
2271 (build_parse_node): Likewise.
2273 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
2275 * version.c: Bump for snapshot.
2277 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2279 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
2281 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2283 * collect2.c (main, case 'b'): Use else if.
2285 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2287 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
2288 Arrange to include gansidecl.h in {ht}config.h & tm.h just
2289 before the config/ directory headers.
2290 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
2291 gansidecl.h in the list of dependencies.
2293 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
2294 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
2295 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
2296 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
2297 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
2298 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
2301 * cccp.c: Don't include gansidecl.h.
2303 * collect2.c: Likewise.
2304 * config/c4x/c4x.c: Likewise.
2305 * config/v850/v850.h: Likewise.
2306 * cppalloc.c: Likewise.
2307 * cpperror.c: Likewise.
2308 * cppexp.c: Likewise.
2309 * cppfiles.c: Likewise.
2310 * cpphash.c: Likewise.
2311 * cpplib.c: Likewise.
2312 * cppmain.c: Likewise.
2313 * cppulp.c: Likewise.
2314 * demangle.h: Likewise.
2315 * doprint.c: Likewise.
2316 * dyn-string.c: Likewise.
2317 * eh-common.h: Likewise.
2318 * fix-header.c: Likewise.
2319 * frame.c: Likewise.
2322 * gen-protos.c: Likewise.
2323 * gencheck.c: Likewise.
2324 * halfpic.h: Likewise.
2326 * machmode.h: Likewise.
2327 * mbchar.c: Likewise.
2328 * prefix.c: Likewise.
2329 * protoize.c: Likewise.
2330 * recog.h: Likewise.
2332 * scan-decls.c: Likewise.
2334 * varray.h: Likewise.
2336 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
2338 * i386.md (call_value_pop): If we're not popping anything,
2339 defer to call_value.
2340 (call_pop): Likewise defer to call.
2342 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
2344 * function.c (purge_addressof): Clear purge_addressof_replacements
2345 only after processing the whole function.
2347 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
2349 * reload1.c (reload): If we can not perform a particular elimination
2350 when we thought we could earlier, then we must always iterate through
2351 the loop at least one more time.
2353 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
2355 * alpha.c (add_operand): Simplify the CONST_INT match.
2356 (sext_add_operand): Correct typo in comparison by using
2357 CONST_OK_FOR_LETTER_P.
2358 * alpha.md (s?addq): Use sext_add_operand to allow the negative
2359 constant alternatives to be generated.
2360 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
2361 small constants, since the hw instructions do.
2363 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2365 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
2366 previous insn to store directly into our reload register, make sure
2367 that if the source of the previous insn is a reload register, its
2368 spill_reg_store and spill_reg_stored_to values are cleared.
2370 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
2372 * rs6000.md (floatunssidf2_internal splitter): Use base register
2373 operand, not hard-coded SP.
2375 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2377 * jump.c (calculate_can_reach_end): Fix thinko.
2379 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
2381 * reorg.c (fill_simple_delay_slots): Fix typo.
2383 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
2385 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
2387 * i386.md (extendsidi2): Use # in the output template.
2388 (extendsidi splitters): New splitters.
2390 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
2392 * configure.in: Use unknown-elf.h as tm_file for arm-elf
2394 * configure: Regenerate.
2396 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2398 * jump.c (init_label_info, delete_barrier_successors,
2399 mark_all_labels, delete_unreferenced_labels,
2400 delete_noop_moves, calculate_can_reach_end): New functions broken
2401 out of jump_optimize.
2402 (jump_optimize): Use them.
2404 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2406 * except.c (expand_fixup_region_end): Make sure outer context labels
2407 are not issued in an inner context during cleanups.
2409 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
2411 * alpha.md (addsi3, subsi3): No new temporaries once cse is
2414 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
2416 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
2417 to expose this midpoint to CSE.
2419 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2421 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
2423 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2425 * configure.in: Bring over gcc2 change of Nov 19 1997.
2427 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
2429 * toplev.c (output_lang_identify): Make definition dependent on
2430 ASM_IDENTIFY_LANGUAGE.
2432 * print-rtl.c (spaces): Make static.
2434 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
2436 * extend.texi: Clarify proper uses for register clobbers in asms.
2438 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2440 * recog.h (enum op_type): Define.
2441 (constrain_operands): Adjust prototype.
2442 (recog_op_type): Declare new variable.
2443 * recog.c (recog_op_type): New variable.
2444 (insn_invalid_p): Allow modifying an asm statement after reload.
2445 (extract_insn): Set up recog_op_type.
2446 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2447 Don't compute operand types, use recog_op_type.
2448 Use the information computed by extract_insn instead of the previous
2449 method of finding it by insn code number.
2450 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2451 * reorg.c (fill_slots_from_thread): Likewise.
2452 * reload1.c (reload_as_needed): Likewise.
2453 (gen_reload): Likewise.
2454 (inc_for_reload): Likewise.
2455 (reload_cse_simplify_operands): Likewise.
2456 Use the information computed by extract_insn instead of the previous
2457 method of finding it by insn code number.
2458 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
2460 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
2461 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
2462 Use the information computed by extract_insn instead of the previous
2463 method of finding it by insn code number.
2464 * regmove.c (find_matches): Likewise. Change meaning of the return
2465 value to be nonzero if the optimization can be performed, zero if
2466 not. All callers changed.
2467 Shorten some variable names to fix formatting problems.
2468 (regmove_optimize): Shorten some variable names to fix formatting
2470 Use the information computed by extract_insn instead of the previous
2471 method of finding it by insn code number.
2472 * regclass.c (scan_one_insn): Likewise.
2473 (record_reg_classes): Don't compute operand types, use recog_op_type.
2474 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
2475 recog_constraints instead.
2477 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
2479 * rtl.h (flow2_completed): Declare.
2480 * flow.c (flow2_completed): Definition.
2481 * toplev.c (rest_of_compilation): Set and clear flow2_completed
2484 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2486 * Makefile.in (libcpp.a): Ranlib libcpp.a
2488 * cppulp.c (user_label_prefix): Initialize.
2490 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
2492 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
2493 at a RETURN if current_function_sp_is_unchanging is set.
2495 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2497 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
2499 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
2501 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
2502 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
2503 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
2504 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
2505 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
2506 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
2508 (LIB_SPEC): Handle -mno-cyginw option.
2509 (LINK_SPEC): Handle -mdll.
2511 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2513 * reload.c (find_reloads): Fix test for usage by other reload
2514 to handle secondary reloads properly.
2516 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2518 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
2519 intermediate structure which has exactly the members provided by
2520 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
2521 static intermediate structure.
2523 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
2524 from the intermediate structure. Do the same analogous fix in
2525 the case where ELIMINABLE_REGS is not defined.
2527 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
2529 * pa.h (SELECT_SECTION): Fix thinko.
2531 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
2533 * dwarf2out.c (output_call_frame_info): Comments on last change.
2535 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
2537 * arm.c (add_constant): When taking the address of an item in the
2538 pool, get the mode of the item addressed.
2540 * arm.c (final_prescan_insn case INSN): If an insn doesn't
2541 contain a SET or a PARALLEL, don't consider it for conditional
2544 Restore ABI compatibility for NetBSD.
2545 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
2547 (RETURN_IN_MEMORY): Likewise.
2549 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
2551 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
2552 (m32r_output_block_move): Rewrite bytes < 4 handling.
2554 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2556 * configure.in: Call AC_FUNC_VFORK.
2558 * collect2.c: Define VFORK_STRING as a printable string for
2559 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
2560 defined, include vfork.h. If VMS is defined, define vfork()
2561 appropriately. Remove vfork check on USG, we're using autoconf.
2562 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
2563 checking locally what string to pass.
2564 (scan_prog_file): Likewise.
2565 (scan_libraries): Likewise.
2567 * gcc.c: Remove vfork check on USG, we're using autoconf.
2568 Besides, no calls to vfork/fork occur in this file.
2570 * protoize.c: Likewise.
2572 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2574 * configure.in (DEFAULT_LINKER): renamed from LD
2575 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
2576 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
2577 * configure: rebuilt
2579 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2581 * BUGS: fix the regexp for `more' to find the appropriate node.
2582 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
2584 * BUGS: added link to the WWW FAQ
2586 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
2588 * version.c: Bump for snapshot.
2590 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
2592 * From Christian Gafton:
2593 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
2594 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
2595 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
2597 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
2599 * c-common.c (c_get_alias_set): Allow all type-punning through
2600 unions. Don't get confused about the type of a bit-field, despite
2601 the antics of build_modify_expr.
2603 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
2605 * fixinc.sco: Paramaterize #include_next values.
2606 * fixinc/fixinc.sco: Likewise.
2608 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
2610 * toplev.c (rest_of_compilation): No longer set reload_completed.
2611 * reload1.c (reload): Set it here. Perform instruction splitting
2612 after reload has completed if we will be running the scheduler
2615 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
2617 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
2618 EH region if exceptions are enabled and we're performing cross
2620 (find_cross_jump): Exit loop if the insns are in different EH regions.
2622 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
2624 * dwarf2out.c (output_call_frame_info): Use
2625 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
2627 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2629 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
2630 * c-common.c (check_format_info): Don't check for the 'x'
2631 format character twice, instead check for 'x' and 'X'
2633 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
2635 * configure.in (assembler features): Also make gas is configured if
2636 we find it in the souce tree.
2638 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
2640 * i386.c (i386_comp_type_attributes): Compare whether the
2641 attributes are defined, not their tree nodes.
2643 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2645 * configure.in (gxx_include_dir): bitten by autoconf quoting
2647 * configure: rebuilt
2649 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2651 * configure.in: Ignore non-absolute value in $AS.
2653 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
2655 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
2657 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
2659 * configure.in (msdosdjgpp): Set exeext and target_alias.
2661 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2663 * flow.c (XNMALLOC): New macro.
2664 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
2666 (add_edge, add_edge_to_label): New static functions.
2667 (free_bb_memory): New function.
2668 (flow_delete_insn): Delete function.
2669 (basic_block_drops_in): Delete variable.
2670 (find_basic_blocks): Allocate and initialize basic_block_head,
2671 basic_block_succ. Don't allocate basic_block_drops_in.
2672 Call free_bb_memory at the beginning.
2673 (find_basic_blocks_1): Don't do multiple passes.
2674 Delete code to compute basic_block_drops_in.
2675 After calling make_edges, mark blocks reached by current block live.
2676 Update test for unreachable live blocks.
2677 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
2679 Simplify to call add_edge_to_label when a LABEL_REF is found.
2680 (make_edges): Simplify to call add_edge_to_label instead of
2681 mark_label_ref most of the time.
2682 Compute here whether control drops into the next block.
2683 (delete_unreachable_blocks): Return void. All callers changed.
2684 Delete unreachable blocks in reverse order.
2685 After deleting all unreachable blocks, renumber the remaining ones
2686 and update n_basic_blocks.
2687 (delete_block): Speed up deletion a bit.
2688 Don't set basic_block_drops_in for deleted blocks.
2689 (free_basic_block_vars): Don't free basic_block_drops_in.
2690 (life_analysis_1): Update to use new edge representation.
2691 (dump_flow_info): Delete code to print basic block info; call
2692 dump_bb_data instead.
2693 (compute_preds_succs): Delete code to recompute basic_block_drops_in
2694 and uid_block_number.
2695 Simply copy the previously computed cfg.
2696 (dump_bb_data): New arg LIVE_INFO. All callers changed.
2697 Print register lifetime information if LIVE_INFO is nonzero.
2698 * basic-block.h (dump_bb_data): Adjust prototype.
2699 * gcse.c (gcse_main): Update call to dump_bb_data.
2700 * rtl.h (free_bb_memory): Declare.
2701 * toplev.c (rest_of_compilation): Call free_bb_memory.
2703 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
2704 (update_eliminable_offsets): Don't compute it.
2705 (set_initial_elim_offsets): Don't initialize it.
2706 Break out some code into set_initial_label_offsets so the rest of
2707 this function can be called from reload_as_needed.
2708 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
2709 ELIMINABLE_REGS isn't.
2710 (set_initial_label_offsets): New function, broken out of
2711 set_initial_elim_offsets.
2712 (set_offsets_for_label): New function, broken out of set_label_offsets
2713 and reload_as_needed.
2714 (reload): Call the two new functions.
2715 (reload_as_needed): Call set_initial_elim_offsets instead of
2716 duplicating the code. Likewise for set_offsets_for_label.
2718 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
2719 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
2720 any hard reg, reg_reloaded_dead contains valid data.
2722 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
2724 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
2725 "stdcall" and "cdecl" attributes.
2727 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
2729 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
2730 handle deleted no-op moves of hard registers.
2731 * haifa-sched.c (update_flow_info): Likewise.
2733 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
2735 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
2736 of the sequences to reload the HILO register which do not actually
2739 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
2741 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
2743 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2745 * except.c (emit_eh_context): Make the EH context register stay alive
2746 at -O0 so stupid.c doesn't get confused.
2748 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2750 * emit-rtl.c (try_split): Do not try to split a BARRIER.
2752 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
2753 Jeffrey A Law (law@cygnus.com)
2755 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
2756 (zero_extendsidi2): Use # in output template and handle completely by
2758 (zero_extend splitters): New define_splits.
2759 (ashiftrt_32): New pattern.
2761 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2763 * tree.c (append_random_chars): New fn.
2764 (get_file_function_name_long): Use it.
2766 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
2768 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
2769 (LIBCPP_OBJS): New. Add cppulp.o.
2770 (cppmain, fix-header): Depend on and use libcpp.a.
2771 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
2772 of the individual object files.
2773 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
2776 * cccp.c (user_label_prefix): New.
2777 (main): Set it off -f*leading-underscore.
2778 (special_symbol): Use it.
2779 * cpplib.c (special_symbol): Likewise.
2780 (cpp_handle_option): Handle -f*leading-underscore.
2781 * cppulp.c: New file.
2783 * output.h (user_label_prefix): Declare it.
2784 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
2785 * toplev.c (f_options, main): Handle -f*leading-underscore.
2787 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
2788 referencing USER_LABEL_PREFIX directly.
2789 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
2790 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
2791 * final.c (asm_fprintf): Use user_label_prefix instead.
2792 * arm/thumb.c (thumb_print_operand): Likewise.
2794 * gcc.c (default_compilers): Pass -f*leading-underscore on to
2795 cpp wherever appropriate.
2797 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
2799 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
2800 specific compiler switches.
2802 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
2804 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
2807 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2809 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
2810 structure which has exactly the members provided by EXTRA_SPECS.
2811 Xmalloc() the real `extra_specs', and initialize it from this
2812 intermediate structure.
2814 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
2816 * mips.h (EXTRA_SPECS): Likewise.
2818 * sparc.h (EXTRA_SPECS): Likewise.
2820 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2822 * function.c (purge_addressof_1): Instead of aborting when a
2823 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
2824 work just put the ADDRESSOF on stack. Otherwise remember all such
2825 successfull replacements, so that exactly the same replacements
2826 can be made on the REG_NOTEs. Remove the special case for CALL
2828 (purge_addressof_replacements): New variable.
2829 (purge_addressof): Clear it at end.
2831 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2833 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
2834 (lang_init): Call check_newline always.
2835 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
2836 cpp_start_read, set yy_cur and yy_lim to read from
2837 parse_in.token_buffer, so that we'll see the first #line
2839 * cpplib.c (cpp_start_read): finclude the main input file
2840 before processing -include/-imacros. Process -imacros and
2841 -include separately, and handle -include by stacking a
2842 buffer for the file in question as if it'd been #included.
2843 * toplev.c (documented_lang_options) Recognize -H when
2846 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2848 * cpplib.c: Merge do_once into do_pragma. Break file handling
2849 code out of do_include.
2850 Move append_include_chain, deps_output,
2851 file_cleanup, redundant_include_p, import_hash,
2852 lookup_import, add_import, read_filename_string, read_name_map,
2853 open_include_file, finclude, safe_read to cppfiles.c.
2854 Move prototypes for deps_output, append_include_chain,
2855 finclude to cpplib.h. Move definition of struct
2856 file_name_list there also.
2858 * cppfiles.c: New file. Contains all the above functions
2859 broken out of cpplib.c; also hack_vms_include_specification
2860 from cccp.c and find_include_file, a new function broken out of
2863 * Makefile.in (cppmain): Depend on cppfiles.o.
2864 (fix-header): Likewise.
2865 (cppfiles.o): New target.
2866 * configure.in (--enable-c-cpplib): Add cppfiles.o to
2867 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
2869 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
2871 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
2872 if pending_types is non-zero.
2873 (dwarfout_finish): Verify pending_types is zero before finishing.
2875 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
2877 * expr.c (convert_move): Use shifts to perform the move if a
2878 suitable extend pattern cannot be found. Code written by
2879 Richard Henderson <rth@cygnus.com>.
2881 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2883 * regclass.c (renumber, regno_allocated): New static variables, moved
2884 out of allocate_reg_info.
2885 (allocate_reg_info): Move these two variables outside the function.
2886 Move code to free memory into new function free_reg_info.
2887 (free_reg_info): New function, broken out of allocate_reg_info.
2888 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
2889 * rtl.h (allocate_reg_info): Don't declare.
2890 (free_reg_info): Declare.
2892 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
2894 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
2896 * toplev.c (compile_file): Temporarily revert last change.
2898 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2900 * c-typeck.c (convert_for_assignment): Parenthesize.
2902 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2904 * reload1.c (delete_output_reload): Avoid ambigous else.
2906 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
2908 * toplev.c (compile_file): Call allocate_reg_info to free register
2910 * rtl.h (allocate_reg_info): Declare.
2912 * PROJECTS: Remove entry for local spilling.
2914 * final.c (cleanup_subreg_operands): New function.
2915 (final_scan_insn): Use it.
2916 (alter_subreg): Clear the "used" field when we turn a SUBREG into
2918 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
2919 operands when reload has finished.
2920 * reload.h (cleanup_subreg_operands): Declare..
2921 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
2922 reload. Handled in reload itself.
2924 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2926 * reload1.c (verify_initial_offsets): New function.
2927 (reload): Call it after reload_as_needed. Also verify that the frame
2928 size stays constant during reload_as_needed.
2929 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
2931 * reload.h (struct insn_chain): Add need_operand_change element.
2932 * reload1.c (new_insn_chain): Clear it.
2933 (calculate_needs_all_insns): Set it; don't overload need_reload.
2934 (reload_as_needed): Use it.
2936 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
2937 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
2938 and reload_address_index_reg_class.
2939 (find_reloads_address_1): Likewise.
2940 * reload.h (reload_address_base_reg_class,
2941 reload_address_index_reg_class): Don't declare.
2942 * reload1.c (reg_old_renumber, pseudo_previous_regs,
2943 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
2944 (used_spill_regs): Now static.
2945 (reload_address_base_reg_class, reload_address_index_reg_class,
2946 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
2947 basic_block_needs, max_needs, group_size, group_mode, max_groups,
2948 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
2951 (init_reload): Delete code to compute base/index reg classes.
2952 (reload): Delete variable J.
2953 Delete code to manage basic_block_needs.
2954 Don't compute regs_explicitly_used.
2955 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
2956 pseudo_previous_regs.
2957 Initialize bad_spill_regs_global.
2958 Don't call order_regs_for_reload here.
2959 Don't initialize spill_reg_order and n_spills.
2960 Don't forbid explicitly used regs to be used for spill regs.
2961 Change main loop to infinite loop, with explicit break statements.
2962 Make SOMETHING_CHANGED variable local to that loop.
2963 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
2964 max_groups_insn, max_nongroups_insn, group_size, group_mode.
2965 Make sure spilled_speudos is cleared before calling spill_hard_reg or
2967 Don't call dump_needs.
2968 Delete code to reset potential_reload_regs.
2969 Delete code to terminate loop conditional on the global needs variables
2970 showing no further needs.
2971 (calculate_needs_all_insns): Return void. All callers changed.
2972 Initialize somehing_needs_elimination here, not in reload.
2973 Delete avoid_return_reg kludge.
2974 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
2975 All callers changed.
2976 Initialize the group_mode and group_size elements of the arg CHAIN.
2977 Delete code to manage basic_block_needs.
2978 Operate on elements of CHAIN instead of global variables.
2979 Delete avoid_return_reg kludge.
2980 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
2981 All callers changed.
2982 Operate on elements of CHAIN instead of global variables.
2983 Delete special SMALL_REGISTER_CLASSES code.
2984 Delete spill_failure code; now in new_spill_reg.
2985 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
2986 All callers changed.
2987 Operate on elements of CHAIN instead of global variables.
2988 (maybe_mark_pseudo_spilled): New static function.
2989 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
2990 All callers changed.
2991 Operate on elements of CHAIN instead of global variables.
2992 Call order_regs_for_reload here, not in reload.
2993 Initialize spill_reg_order and n_spills.
2994 Simplify test whether an asm insn is involved.
2995 Delete spill_failure code; now in new_spill_reg.
2996 Call maybe_mark_pseudo_spilled for everything marked as live in
2997 CHAIN. Merge CHAIN's used_spill_regs into the global variable
2999 (dump_needs): Take CHAIN arg. No longer static, to prevent the
3000 compiler from optimizing this function (now unused) away.
3001 Operate on elements of CHAIN instead of global variables.
3002 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
3004 Operate on elements of CHAIN instead of global variables.
3005 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
3006 take CHAIN arg. All callers changed.
3007 Operate on elements of CHAIN instead of global variables.
3008 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
3009 CHAIN, NONGROUP args. Return void. All callers changed.
3010 Verify caller isn't trying to spill a pseudo.
3011 Simplify test for illegal reg, just use bad_spill_regs.
3012 Generate better error messages.
3013 Operate on elements of CHAIN instead of global variables.
3014 Mark spilled register in CHAIN's used_spill_regs element.
3015 Don't call spill_hard_reg.
3016 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
3017 Mark spilled hard regs in bad_spill_regs_global.
3018 Mark affected pseudos in spilled_pseudos, but don't spill them.
3019 (ior_hard_reg_set): New static function.
3020 (finish_spills): Return int. All callers changed.
3021 Compute spill_reg_order, n_spills and spill_regs here. Also update
3022 regs_ever_live for regs used as spills.
3023 For every pseudo in spilled_pseudos, spill it and mark the previous
3024 hard reg it had in pseudo_previous_regs. Compute which hard regs
3025 arseudo): New static function.
3026 (order_regs_for_reload): Take CHAIN arg. All callers changed.
3027 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
3028 hard registers explicitly used across the current insn into the set.
3029 Compute hard_reg_n_uses taking only pseudos live across this insn
3031 Tweak sorting of potential_reload_regs.
3032 (compare_spill_regs): Delete function.
3033 (reload_as_needed): Don't sort the spill_regs array, it's computed
3034 in proper order in finish_spills.
3035 Delete avoid_return_reg kludge.
3036 Delete code to manage basic_block_needs.
3037 (allocate_reload_reg): Minor speed/readability tweaks.
3038 Operate on elements of CHAIN instead of global variables.
3039 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
3040 Delete avoid_return_reg kludge.
3041 Initialize reload_reg_used from CHAIN's used_spill_regs element.
3042 Delete unused label FAIL.
3043 (reload_combine): Replce reload_address_index_reg_class with
3045 Don't use used_spill_regs to determine information about lifetime of
3048 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
3050 * toplev.c (display_help): Ignore empty target specific
3051 options, and if -W is also specified on the command line then
3052 display undocumented options.
3054 * config/arm/arm.c: Updated with changes in devo sources.
3055 * config/arm/arm.h: Updated with changes in devo sources.
3056 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
3057 * config/arm/lib1thumb.asm: Add ELF support.
3059 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
3061 * collect2.c (aix64_flag): New variable.
3062 (main, case 'b'): Parse it.
3063 (GCC_CHECK_HDR): object magic number must match mode.
3064 (scan_prog_file): Only check for shared object if valid header.
3065 Print debugging if header/mode mismatch.
3067 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
3069 Added support for arm-elf-linux configuration, submitted by Philip
3070 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
3071 code developed by Catherine Moore <clm@cygnus.com>. The following
3074 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
3077 * configure: Regenerated.
3079 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
3080 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
3081 definitions conditional on their not having been already defined.
3083 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
3084 and .type directives, and add "(PLT)" qualification to function
3087 * config/arm/linux.h: Deleted. This file is now superceeded by
3088 either linux-elf.h or linux-aout.h.
3090 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
3091 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
3093 Move definitions from old linux.h file here.
3095 * config/arm/elf.h: New file. Generic ARM/ELF support.
3097 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
3099 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
3101 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
3102 using the 26bit APCS.
3104 * config/arm/unknown-elf.h: New file. Support for OS'es other
3105 than Linux with ELF.
3107 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
3110 * config/arm/coff.h: Include aout.h for basic assembler macros.
3111 Add support for -mstructure_size_boundary=<n> command line option.
3113 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
3114 command line option. Make macro definitions conditional on their
3115 not having been already defined.
3117 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
3118 command line option.
3121 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
3123 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
3124 has been changed to not include a newline. Use this macro instead.
3125 (output_enumeral_list, const_value_attribute, name_attribute,
3126 comp_dir_attribute, prototyped_attribute, producer_attribute,
3127 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
3128 dwarfout_file_scope_decl, generate_new_sfname_entry,
3129 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
3130 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
3132 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
3134 * combine.c (subst): Process the inputs to a parallel asm_operands
3137 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
3139 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
3141 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
3143 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
3145 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
3147 * version.c: Bump for snapshot.
3149 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
3151 * stmt.c (expand_fixup): Set fixup->before_jump to a
3152 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
3154 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3156 * Makefile.in (recog.o): Depend on toplev.h.
3157 (insn-emit.o): Depend on recog.h.
3158 (insn-peep.o): Depend on recog.h and insn-config.h.
3160 * combine.c (simplify_set): Remove unused variable `scratches'.
3162 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
3163 and `idx' in macro conditional controlling their use.
3165 * genemit.c (main): Make the generated output file include
3166 recog.h. Don't have it declare `insn_operand_constraint', since
3167 we get it from recog.h.
3169 * genpeep.c (main): Make the generated output file include
3170 insn-config.h and recog.h.
3172 * recog.c: Include toplev.h.
3173 (extract_insn): Remove unused variable `p'.
3175 * regclass.c (fix_register): Add missing braces around initializer
3177 (allocate_reg_info): Move variable `i' into the scope where it is
3178 used. Change its type to `size_t'.
3180 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3182 * reload.c (push_reload): When merging reloads, make sure
3183 that reload_in_reg and reload_in are from the same reload in
3186 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
3188 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
3189 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3191 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
3193 * loop.c (loop_has_tablejump): New variable.
3194 (prescan_loop): Scan for it.
3195 (insert_bct): Replace explicit scan with use of it.
3196 * regclass.c (regclass): Restore loop variable j.
3197 (record_reg_classes): Deterine op_types modifiers and initialize
3198 classes[i] before matching constraints. Handle matching
3201 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
3203 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
3206 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3208 * mips.h (EXTRA_SPECS): Add missing initializers.
3210 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3212 * sparc.h (EXTRA_SPECS): Add missing initializers.
3213 (sparc_defer_case_vector): Provide a prototype.
3215 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
3216 comparing it to the result of a pointer subtraction.
3218 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3220 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
3221 the argument to (unsigned char).
3223 * alpha.h (EXTRA_SPECS): Add missing initializers.
3224 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
3227 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
3229 * flow.c (life_analysis_1): Enable "rescan" code after reload.
3230 (propagate_block): Delete dead code after reload.
3232 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
3233 back Oct 15, 1998 change.
3234 * haifa-sched.c (update_flow_info): Likewise.
3235 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
3237 * mn10200.md (truncated shift): Accept constant inputs too.
3239 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
3241 * machmode.h (mode_mask_array): No longer const.
3242 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
3244 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3246 * frame.c: Somewhat explain `FDE'.
3247 Suggested by Brendan Kehoe
3249 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
3251 * expr.c (pending_chain): Move up.
3252 (save_expr_status): Do save pending_chain.
3253 (restore_expr_status): And restore it.
3254 * function.h (struct function): Add pending_chain.
3256 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3258 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
3259 did not match the code.
3261 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3263 * regclass.c (regclass): Break out some code into new function
3264 scan_one_insn, and into regclass_init.
3265 (init_cost): New static variable, moved out of regclass.
3266 (regclass_init): Initialize it here, not in .
3267 (scan_one_insn): New static function, broken out of regclass.
3268 * recog.c (apply_change_group): Break out some code into new
3269 function insn_invalid_p.
3270 (insn_invalid_p): New static fn, broken out of apply_change_group.
3272 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
3274 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
3275 reg_reloaded_contents matches incremented pseudo.
3277 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
3279 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3281 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
3282 addressing modes with side effects. These are currently
3283 placeholders for the C4x target.
3285 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3287 * loop.c (express_from): Make sure that when generating a PLUS of
3288 a PLUS, any constant expression appears on the outermost PLUS.
3290 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
3292 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
3293 works if "$(srcdir)" != ".".
3295 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
3297 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
3298 existing SUBREG if we can, otherwise abort.
3300 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
3302 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
3303 `restrict' is applied to a non-pointer variable.
3305 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
3307 * invoke.texi: Document -flang-isoc9x.
3309 * Makefile.in (OBJS): Add splay-tree.o.
3310 (c-common.o): Depend on rtl.h.
3311 (splay-tree.o): List dependencies and provide build rule.
3313 * rtl.h (record_alias_subset): New function.
3314 * alias.c: Include splay-tree.h.
3315 (alias_set_entry): New type.
3316 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
3317 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
3318 (mems_in_disjoin_alias_sets_p): New function.
3319 (alias_set_compare): Likewise.
3320 (insert_subset_children): Likewise.
3321 (get_alias_set_entry): Likewise.
3323 * tree.h (TYPE_RESTRICT): New macro.
3324 (TYPE_UNQUALIFIED): New manifest constant.
3325 (TYPE_QUAL_CONST): Likewise
3326 (TYPE_QUAL_VOLATILE): Likewise.
3327 (TYPE_QUAL_RESTRICT): Likewise.
3328 (tree_type): Add restrict_flag. Reduce count of free bits.
3329 (DECL_POINTER_ALIAS_SET): New macro.
3330 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
3331 (tree_decl): Add pointer_alias_set.
3332 (build_qualified_type): New function.
3333 (build_type_variant): Define in terms of build_qualified_type.
3334 * tree.c (set_type_quals): New function.
3335 (make_node): Initializae DECL_POINTER_ALIAS_SET.
3336 (build_type_attribute_variant): Use build_qualified_type and
3338 (build_type_variant): Rename, and modify, to become...
3339 (build_qualified_type): New function.
3340 (build_complex_type): Use set_type_quals.
3342 * c-tree.h (C_TYPE_OBJECT_P): New macro.
3343 (C_TYPE_FUNCTION_P): Likewise.
3344 (C_TYPE_INCOMPLETE_P): Likewise.
3345 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
3346 (c_apply_type_quals_to_decl): New function.
3347 (c_build_qualified_type): New function.
3348 (c_build_type_variant): Define in terms of c_build_qualified_type.
3349 (flag_isoc9x): Declare.
3350 * c-typeck.c (qualify_type): Use c_build_qualified_type.
3351 (common_type): Change to use TYPE_QUALS.
3352 (comptypes): Likewise.
3353 (convert_for_assignment): Likewise.
3354 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
3355 * c-decl.c (flag_isoc9x): Define.
3356 (c_decode_option): Handle -flang-isoc9x.
3357 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
3358 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
3359 * c-lex.c (init_lex): Deal with restrict.
3360 (init_lex): Don't treat restrict as a reserved word in
3361 -traditional mode, or without -flang-isoc9x.
3362 * c-lex.h (rid): Add RID_RESTRICT.
3363 * c-parse.gperf (restrict, __restrict, __restrict__): Make
3364 equivalent to RID_RESTRICT.
3365 * c-parse.in (TYPE_QUAL): Update comment.
3366 * c-common.c: Include rtl.h.
3367 (c_find_base_decl): New function.
3368 (c_build_type_variant): Rename, and modify, to become ...
3369 (c_build_qualified_type): New function.
3370 (c_apply_type_quals_to_decl): Likewise.
3371 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
3372 a particular alias set for the reference.
3373 * toplev.c (documented_lang_options): Add -flang-isoc9x.
3375 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
3377 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
3378 command line switches.
3380 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
3382 * reload.c (loc_mentioned_in_p): Add missing braces to bind
3385 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
3387 * gcc.c (option_map): Added --classpath and --CLASSPATH.
3389 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
3391 * regclass.c (fix_register): Add error message.
3392 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
3395 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3397 * c-decl.c (warn_missing_noreturn): New global variable.
3398 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
3399 (finish_function): Implement missing noreturn warning.
3401 * c-tree.h (warn_missing_noreturn): Declare extern.
3403 * invoke.texi: Document new flags.
3405 * toplev.c (documented_lang_options): Add description.
3407 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3409 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
3410 loop optimization stable for the C4x.
3411 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
3412 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
3413 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
3415 (c4x_address_conflict): Be more paranoid when packing a volatile
3416 memref in a parallel load/store.
3418 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3420 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
3421 repeat_block_filler): Deleted.
3422 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
3423 Condition code not set if destination register from 'c' class.
3424 (*subbqi3_carry_clobber): Fix typo.
3426 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3428 * reorg.c (steal_delay_list_from_target) Check for insns that
3429 modify the condition codes and effect the direction of the jump
3432 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3434 * function.c (purge_addressof_1): Replace call to
3435 emit_insns_before() with emit_insn_before().
3437 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
3439 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
3441 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3443 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3445 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3447 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3448 clobbered across calls.
3450 * loop.c (scan_loop): Be more selective about what invariants are
3451 moved out of a loop.
3453 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
3455 * version.c: Bump for snapshot.
3457 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3459 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
3460 static eh_context structure.
3462 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3464 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
3466 (try_combine): Don't update max_scratch.
3467 * flow.c (max_scratch, num_scratch): Delete variables.
3468 (life_analysis_1): Don't initialize max_scratch.
3469 (propagate_block): Don't update max_scratch.
3470 (mark_set_1): Don't increment num_scratch.
3471 * regs.h (max_scratch): Delete declaration.
3473 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
3475 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
3476 is nonzero. This is temporary!
3478 * sched.c (update_flow_info): Handle death notes made invalid by
3479 instruction splitting. Partially reverts Oct 15, 1998 patch.
3480 * haifa-sched.c (update_flow_info): Likewise.
3482 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
3484 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
3485 if it has a nonzero DECL_INITIAL.
3487 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3489 * Makefile.in (flow.o): Depend on recog.h.
3491 * cpplib.h (directive_table): Add missing initializiers.
3492 (finclude): Change type of variable `bsize' to size_t.
3494 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
3496 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
3498 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
3499 `int' when comparing against one.
3500 (cpp_file_line_for_message): Mark parameter `pfile' with
3502 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
3504 * flow.c: Include recog.h.
3505 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
3507 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
3508 `f' with ATTRIBUTE_UNUSED.
3509 (reposition_prologue_and_epilogue_notes): Likewise.
3511 * genopinit.c (gen_insn): Cast argument of ctype functions to
3514 * haifa-sched.c: Include recog.h.
3515 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
3516 comparing against one.
3518 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
3520 * mips-tfile.c (parse_end): Cast the argument of ctype function to
3522 (parse_ent): Likewise.
3523 (parse_input): Likewise.
3525 * optabs.c (init_libfuncs): Likewise.
3527 * protoize.c (find_rightmost_formals_list): Likewise.
3529 * recog.h (const_double_operand): Fix typo in prototype.
3531 * tlink.c (scan_linker_output): Cast the argument of ctype
3532 function to `unsigned char'.
3534 * toplev.c (check_lang_option): Cast the result of `strlen' to
3535 `int' when comparing against one.
3537 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3539 * gcse.c (dump_cuid_table): Correct typo.
3541 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
3543 * toplev.c (display_help): Prepend '-m' to target specific
3545 (check_lang_option): Ignore text after end of first word of a
3546 language specific option.
3548 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3550 * reload1.c (reg_used_by_pseudo): New static variable.
3551 (choose_reload_regs): Initialize it.
3552 Use it instead of testing spill_reg_order to determine whether a
3553 pseudo is live in a hard register across the current insn.
3554 Fix a typo in a reference to reload_reg_rtx.
3556 * flow.c (propagate_block): Replace code that computes and uses
3557 regs_sometimes_live with simpler code that just walks the set of
3558 currently live registers.
3560 * Makefile.in (insn-extract.o): Fix dependencies.
3561 * genextract.c (main): Generate includes for insn-config.h and
3563 Delete generation of declarations which are now in recog.h.
3564 * genrecog.c (main): Delete generation of definitions which are
3566 * local-alloc.c (block_alloc): Use extract_insn and the variables
3567 it sets up instead of looking up values by insn_code.
3568 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
3569 recog_dup_num): Define here instead of generating the definition in
3571 (recog_n_operands, recog_n_dups, recog_n_alternatives,
3572 recog_operand_mode, recog_constraints, recog_operand_address_p):
3574 (extract_insn): New function.
3575 * recog.h (extract_insn): Declare function.
3576 (which_alternative, recog_n_operands, recog_n_dups,
3577 recog_n_alternatives, recog_operand_mode, recog_constraints,
3578 recog_operand_address_p): Declare variables.
3579 * regclass.c (n_occurrences): New static function.
3580 * reload.c (n_occurrences): Delete function.
3581 (find_reloads): Use extract_insn.
3582 * reload.h (n_occurrences): Delete declaration.
3584 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
3586 * reload1.c (reload_as_needed): Fix test for when to call
3587 update_eliminable_offsets.
3589 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3591 Fix consistency problems with reg_equiv_{mem,address};
3592 Improve reload inheritance;
3594 * reload.c (reload_out_reg): New variable.
3595 (loc_mentioned_in_p, remove_address_replacements): New functions.
3596 (remove_replacements): Deleted.
3597 (push_reload): Set reload_out_reg[i].
3598 When merging, also set reload_{in,out}_reg[i], and remove
3599 duplicate address reloads.
3600 (combine_reloads): Copy reload_out_reg[i].
3601 (find_reloads): Do make_memloc substitution also when
3602 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3604 Include *recog_operand_loc in commutativity operand changes.
3605 Generate optional output reloads.
3606 Delete reference to n_memlocs. Don't set *recog_operand_loc before
3607 processing operands. Call make_memloc in reg_equiv_address code.
3608 Set *recog_operand_loc only after processing operands, and only
3609 if replace is true. Return a value.
3610 When changing address reload types for operands that didn't get
3611 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
3612 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
3613 Don't emit USEs for pseudo SUBREGs when not replacing.
3614 (find_reloads_address): Do make_memloc substitution also when
3615 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3617 (find_reloads_toplev): Likewise.
3618 Call make_memloc in reg_equiv_address code.
3619 (debug_reload_to_stream): Add code to output reload_out_reg.
3620 (make_memloc): Delete local variable i, ifdefed out code, and
3621 references to memlocs and n_memlocs.
3622 (memlocs, n_memlocs): Delete.
3623 (push_secondary_reload): Clear reload_out_reg.
3624 (find_reloads_address_1): Provide memrefloc argument to all calls
3625 to find_reloads_address.
3626 In AUTO_INC code, handle non-directly addressable equivalences properly.
3627 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
3628 (find_reloads): Add return type.
3629 (remove_address_replacements, deallocate_reload_reg): Declare.
3630 * reload1.c (num_not_at_initial_offset): No longer static.
3631 (delete_address_reloads, delete_address_reloads_1): Likewise.
3632 (deallocate_reload_reg): New function.
3633 (spill_reg_stored_to): New array.
3634 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
3635 (eliminate_regs_in_insn): Move assignments of previous_offset and
3636 max_offset fields, and recalculation of num_not_at_initial_offset
3637 into new static function:
3638 (update_eliminable_offsets) .
3639 (reload_as_needed): Call update_eliminable_offsetss after calling
3641 Call forget_old_reloads_1 with contents of reloaded auto_inc
3642 expressions if the actual addressing can't be changed to match the
3644 (choose_reload_regs): For inheritance, replace
3645 reload_reg_free_before_p test with reload_reg_used_at_all test, and
3646 remove stand-alone reload_reg_used_at_all test.
3647 Use reload_out_reg to determine which reload regs have output reloads.
3648 Treat reload_override_in more similar to inherited reloads.
3649 Handle (subreg (reg... for inheritance.
3650 For flag_expensive_optimizations, add an extra pass to remove
3651 unnecessary reloads from known working inheritance.
3652 Delete obsolete code for pseudos replaced with MEMs.
3653 Handle inheritance from auto_inc expressions.
3654 (emit_reload_insns): If reload_in is a MEM, set OLD to
3656 Don't reload directly from oldequiv; if it's a pseudo with a
3657 stack slot, use reload_in[j].
3658 Check that reload_in_reg[j] is a MEM before replacing reload_in
3659 from reg_reloaded_contents.
3660 Include non-spill registers in reload inheritance processing.
3661 Also try to use reload_out_reg to set spill_reg_store /
3662 reg_last_reload_reg.
3663 In code to set new_spill_reg_store, use single_set to find out if
3664 there is a single set.
3665 Add code that allows to delete optional output reloads.
3666 Add code to allow deletion of output reloads that use no spill reg.
3667 At the end, set reload_override_in to oldequiv.
3668 Also call delete_output_reload if reload_out_reg is equal to old
3670 Add code to call delete_output_reload for stores with no matching load.
3671 Set / use spill_reg_stored_to.
3672 Handle case where secondary output reload uses a temporary, but
3673 actual store isn't found.
3674 When looking for a store of a value not loaded in order to call
3675 delete_output_reload, count_occurences should return 0 for no
3676 loads; but discount inherited input reloadill_reg_stored_to.
3677 Do checks for extra uses of REG. Changed all
3679 Use delete_address_reloads.
3680 (reload): Take return value of find_reloads into account.
3681 If a no-op set needs more than one reload, delete it.
3682 (reload_reg_free_before_p): RELOAD_FOR_INPUT
3683 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
3684 for the same operand.
3685 (clear_reload_reg_in_use): Check for other reloads that keep a
3687 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
3688 RELOAD_FOR_OPADDR_ADDR.
3689 Take into account when an address address reload is only needed
3690 for the address reload we are considering.
3691 (count_occurrences): Use rtx_equal_p for MEMs.
3692 (inc_for_reload): Return instruction that stores into RELOADREG.
3693 New argument two, IN, and rtx. Changed all callers.
3694 (calculate_needs_all_insns, reload_as_needed):
3695 Don't clear after_call for a CLOBBER.
3696 Keep track of how many hard registers need to be copied from
3697 after_call, and don't clear after_call before we have seen
3698 that much copies, or we see a different instruction.
3700 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
3702 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
3703 after reload has completed.
3705 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
3707 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
3708 a macro name and the next token with a single blank if that whitespace
3709 is in a macro buffer and the next token is not '('.
3711 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
3713 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
3715 (skip_if_group): Ditto.
3716 (skip_to_end_of_comment): Ditto.
3718 (discard_comments): Ditto.
3719 (change_newlines): Ditto.
3721 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
3723 * c-lex.c (yylex): Fix unaligned access of wchar_t.
3725 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
3727 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
3728 (TARGET_OPTIONS): Add --help documentation.
3730 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3732 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
3734 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
3736 * fixinc/* Moved in from ../contrib directory in preparation
3737 for integrating it into the normal build process. In particular,
3738 fixinc/Makefile.in must be config-ed into the build directory
3739 as fixinc/Makefile. Proposed patches to ./Makefile.in and
3740 ./configure.in will be "in the mail" momentarily.
3742 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
3744 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
3745 accidently walk into the free list. Comment how that can happen.
3746 (invalidate): Fix indentation.
3748 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3749 Jeffrey A Law (law@cygnus.com)
3751 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
3752 reload. Never perform rescans of the insn chain after reload.
3753 (propagate_block): Do not delete insn or create new autoinc addressing
3756 * jump.c (jump_optimize): Unconditionally use the code that was
3757 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
3758 * reload1.c (reload): When reloading is finished, delete all
3759 REG_DEAD and REG_UNUSED notes.
3760 (emit_reload_insns): Delete all code that was conditional on
3761 PRESERVE_DEATH_INFO_REGNO_P.
3762 (no_longer_dead_regs): Delete variable.
3763 (reload_cse_delete_death_notes): Delete function.
3764 (reload_cse_no_longer_dead): Delete function.
3765 (reload_cse_regs_1): Delete all code to handle deletion of death
3767 (reload_cse_noop_set_p): Likewise.
3768 (reload_cse_simplify_set): Likewise.
3769 (reload_cse_simplify_operands): Likewise.
3770 (reload_cse_move2add): Likewise.
3771 * reorg.c (used_spill_regs): Delete declaration.
3772 (max_label_num_after_reload): Delete declaration.
3773 (find_dead_or_set_registers): Don't assume that spill regs are
3774 dead at a CODE_LABEL.
3775 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
3777 * sched.c (sched_analyze_insn): Likewise.
3778 (update_flow_info): Likewise.
3779 * haifa-sched.c (sched_analyze_insn): Likewise.
3780 (update_flow_info): Likewise.
3781 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
3782 * toplev.c (max_label_num_after_reload): Delete variable.
3783 (rest_of_compilation): Don't set max_label_num_after_reload.
3784 Call life_analysis after reload_cse_regs if optimizing.
3785 * config/gmicro/gmicro.h: Delete comment referring to
3786 PRESERVE_DEATH_INFO_REGNO_P.
3787 * config/i386/i386.h: Likewise.
3788 * config/m88k/m88k.h: Likewise.
3789 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
3790 * config/sh/sh.h: Likewise.
3792 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
3794 * loop.c (strength_reduce): Restore marking bct_p as
3796 * rs6000.c (optimization_options): Change #ifdef HAIFA to
3797 HAVE_decrement_and_branch_on_count.
3798 (small_data_operand): Remove TARGET_ELF condition for marking
3799 parameters ATTRIBUTE_UNUSED.
3801 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
3803 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
3804 (SELECT_SECTION): Resync with svr4.h.
3806 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
3808 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
3811 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
3813 * c-pragma.c (handle_pragma_token): Test for null tree before
3814 dereferencing TREE_CODE.
3816 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3818 * config/c4x/c4x.c: Convert to use GEN_INT.
3819 (c4x_parallel_process): Rework to handle new repeat loop structure.
3821 * config/c4x/c4x.md: Convert to use GEN_INT.
3822 (rptb_end): Convert to use GE test. Replace uses with clobbers.
3823 (decrement_and_branch_on_count): Likewise.
3825 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
3826 loop.c has the desired functionality.
3827 (rc_reg_operand): New prototype.
3829 * config/c4x/t-c4x: Can now build all front ends.
3831 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
3833 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
3835 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
3837 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
3838 * config/t-rtems: Do not install assert.h -- use newlib's.
3840 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3842 * combine.c (combine_instructions): When finished, call init_recog.
3843 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
3845 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
3847 * toplev.c: If flag_syntax_only, don't open or write assembler file.
3849 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3851 * cppalloc.c (memory_full): Mark function prototype with
3854 * demangle.h (collect_exit): Likewise.
3856 * fix-header.c (v_fatal, fatal): Likewise.
3858 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
3861 * gcov.c (print_usage): Likewise.
3863 * genattr.c (fatal, fancy_abort): Likewise.
3865 * genattrtab.c (fatal, fancy_abort): Likewise.
3867 * gencodes.c (fatal, fancy_abort): Likewise.
3869 * genconfig.c (fatal, fancy_abort): Likewise.
3871 * genemit.c (fatal, fancy_abort): Likewise.
3873 * genextract.c (fatal, fancy_abort): Likewise.
3875 * genflags.c (fatal, fancy_abort): Likewise.
3877 * genopinit.c (fatal, fancy_abort): Likewise.
3879 * genoutput.c (fatal, fancy_abort): Likewise.
3881 * genpeep.c (fatal, fancy_abort): Likewise.
3883 * genrecog.c (fatal, fancy_abort): Likewise.
3885 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
3886 __sjpopnthrow, __throw): Likewise.
3888 * objc/objc-act.c (objc_fatal): Likewise.
3890 * protoize.c (usage, aux_info_corrupted,
3891 declare_source_confusing): Likewise.
3893 * rtl.c (dump_and_abort): Likewise.
3895 * rtl.h (sets_cc0_p): Likewise.
3897 * toplev.c (float_signal, pipe_closed): Likewise.
3899 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3901 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
3902 when generating the decision tree for the general case.
3904 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
3905 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
3907 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3909 * Makefile.in (sched.o): Depend on recog.h.
3911 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
3912 (unsigned) when comparing against one.
3913 (find_base_value): Likewise.
3914 (record_base_value): Cast variable `regno' to (unsigned) when
3915 comparing against one. Cast the result of REGNO() macro to
3916 (unsigned) when comparing against one.
3917 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
3919 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
3920 variable where an unsigned index is needed.
3922 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
3923 before comparing against one.
3925 * collect2.c: Add prototypes for functions `error', `fatal' and
3926 `fatal_perror'. Make these functions take variable arguments
3927 instead of faking it with a fixed number of args.
3928 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
3931 * combine.c (can_combine_p): Mark parameter `pred' with
3933 (find_split_point): Cast variable `src' to (unsigned
3934 HOST_WIDE_INT) when comparing against one.
3935 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
3936 (simplify_logical): Likewise.
3937 (force_to_mode): Cast result of INTVAL() macro to (unsigned
3938 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
3939 HOST_WIDE_INT) in shift.
3940 (simplify_and_const_int): Cast result of INTVAL() macro to
3941 `unsigned HOST_WIDE_INT' when comparing against one.
3942 (merge_outer_ops): Cast variable const0 to `unsigned
3943 HOST_WIDE_INT' when comparing against the result of
3944 GET_MODE_MASK() macro.
3945 (simplify_comparison): Likewise for variable `c0'. Cast variable
3946 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
3947 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
3948 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
3949 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
3950 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
3951 comparing against one.
3952 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
3954 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
3955 macro to `unsigned HOST_WIDE_INT' when comparing against one.
3956 (output_block_move): Cast `sizeof' expression to (int) when
3957 comparing against one.
3958 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
3960 (save_restore_insns): Cast `base_offset' to `long' to match format
3961 specifier in fprintf.
3963 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
3964 to `enum machine_mode'.
3966 * flow.c (life_analysis_1): Remove unused variable `insn'.
3968 * gcc.c (translate_options): Move variables `j' and `k' into the
3969 scope in which they are used. Change their types to `size_t'.
3970 (set_spec): Cast the argument of ctype macro to `unsigned char'.
3971 (read_specs): Likewise.
3972 (process_command): Cast `sizeof' to (int) when comparing against one.
3973 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
3974 (handle_braces): Cast both sides of `==' expression to `long' to
3975 ensure sign matching.
3976 (main): Cast variable `i' to `int' when comparing against one.
3978 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
3979 int to size_t. Cast variable `i' to size_t when comparing against
3982 * genattrtab.c (convert_set_attr_alternative): Remove unused
3983 parameter `insn_code'. All callers changed.
3984 (convert_set_attr): Likewise.
3986 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
3987 size_t when comparing against one. Likewise for variable `len'.
3989 * global.c (global_alloc): Cast variable `max_regno' to size_t
3990 when comparing against one. Likewise for variable `max_allocno'.
3992 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
3994 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
3995 `set' with ATTRIBUTE_UNUSED.
3996 (find_free_reg): Cast `sizeof' expression to (int) when comparing
3999 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
4000 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
4001 (get_condition): Cast variable `const_val' to `unsigned
4002 HOST_WIDE_INT' when comparing against one. Cast unsigned
4003 expression to HOST_WIDE_INT when comparing against one.
4004 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
4005 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
4006 `unsigned' when comparing against one.
4008 * protoize.c (is_id_char): Change type of parameter `ch' to
4010 (munge_compile_params): Cast argument of ctype macro to (const
4012 (process_aux_info_file): Cast variable `aux_info_size' to int when
4013 comparing against one.
4014 (forward_to_next_token_char): Cast argument of ctype macro to
4015 `const unsigned char'.
4016 (edit_formals_lists): Likewise.
4017 (find_rightmost_formals_list): Likewise.
4018 (add_local_decl): Likewise.
4019 (add_global_decls): Likewise.
4020 (edit_fn_definition): Likewise.
4021 (do_cleaning): Likewise.
4022 (scan_for_missed_items): Likewise.
4023 (edit_file): Cast variable `orig_size' to (int) when comparing
4025 (main): Cast argument of ctype macro to `const unsigned char'.
4027 * recog.c (const_int_operand): Mark parameter `mode' with
4030 * regclass.c (record_reg_classes): Change type of variable `c' to
4031 `unsigned char'. Cast `char' array index to `unsigned char'.
4033 * reload.c (push_secondary_reload): Cast argument to
4034 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
4036 * reload1.c (calculate_needs): Cast `char' array index to
4038 (set_label_offsets): Change type of variable `i' to unsigned int.
4039 Cast result of XVECLEN() macro to unsigned when comparing against
4041 (mark_not_eliminable): Change type of variable `i' to unsigned.
4042 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
4043 when comparing against one.
4044 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
4045 comparing against one.
4046 (choose_reload_regs): Hide unused label `fail'.
4047 (reload_cse_simplify_operands): Cast `char' array index to
4049 (reload_combine_note_store): Mark parameter `set' with
4050 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
4052 (reload_cse_move2add): Remove unused variable `src2'.
4054 * sched.c: Include recog.h.
4055 (sched_note_set): Remove unused parameter `b'. All callers
4057 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
4058 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
4059 when comparing against one.
4061 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
4062 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
4063 comparing against one.
4065 * unroll.c (precondition_loop_p): Remove unused parameter
4066 `loop_end'. All callers changed.
4068 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4070 * reload1.c (maybe_fix_stack_asms): New static function.
4073 * reload.h (compute_use_by_pseudos): Declare.
4075 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
4076 (something_needs_reloads): Delete variable.
4077 (finish_spills): New function.
4078 (compute_use_by_pseudos): New function.
4080 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
4081 Use the reload_insn_chain instead of walking the rtl directly.
4083 (reload): Allocate and free spilled_pseudos.
4084 Ensure that all calls of spill_hard_reg are followed by a call to
4086 Use the insns_need_reload list instead of something_needs_reloads
4087 to find out if reload_as_needed must be called.
4088 Clear unused_insn_chains at the end.
4090 (calculate_needs_all_insns): Lose FIRST parameter. All callers
4092 Delete code to keep track of current basic block.
4093 Walk reload_insn_chain instead of the rtl structure. Build the
4094 insns_need_reload chain.
4095 Remember which insns need reloading/elimination by setting the
4096 appropriate fields in struct insn_chain, not by putting modes on the
4099 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
4100 arg INSN. All callers changed.
4101 Delete declaration of struct needs.
4102 Don't set something_needs_reloads.
4103 Record insn needs in the CHAIN argument.
4105 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
4107 (reload_as_needed): Lose FIRST arg. All callers changed.
4108 Walk the reload_insn_chain instead of the rtx structure.
4109 Delete code to keep track of current basic block.
4110 Rename one of the NEXT variables to OLD_NEXT.
4112 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
4114 (choose_reload_regs): Likewise.
4116 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
4119 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
4120 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
4121 (hard_regs_live, hard_regs_need_restore): Delete variables.
4122 (n_regs_saved): Now static.
4123 (referenced_regs, this_insn_sets): New variables.
4125 (setup_save_areas): Restructure the code a bit.
4127 (restore_referenced_regs): Delete function.
4128 (mark_referenced_regs): New function, similar to the old
4129 restore_referenced_regs, but mark registers in referenced_regs.
4131 (clear_reg_live): Delete function.
4132 (mark_set_regs): Renamed from set_reg_live. All callers changed.
4133 Only mark registers in this_insn_sets.
4135 (save_call_clobbered_regs): Rework this function to walk the
4136 reload_insn_chain instead of using the list of instructions directly.
4137 Delete code to keep track of register lives, compute live regs on the
4138 fly from information in the chain.
4139 Instead of calling restore_referenced_regs, use mark_referenced_regs,
4140 then walk the set it computes and call insert_restore as appropriate.
4142 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
4144 Restructure the code a bit. Test hard_regs_saved instead of
4145 hard_regs_need_restore.
4146 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
4147 args. All callers changed.
4148 Restructure the code a bit. Use TO_SAVE to determine which regs to
4149 save instead of more complicated test.
4150 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
4152 Create a new insn_chain structure for the new insn and place it
4155 * rtl.texi: Update documentation to reflect that reload no longer
4156 puts modes on the insns.
4158 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4160 * function.c (purge_addressof_1): Force the first argument of a
4161 CALL insn to memory.
4163 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
4165 * rtl.h: Delete duplicate prototypes. Add some missing
4167 * rtlanal.c: (for_each_rtx): Formatting tweak.
4169 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4171 * real.c (emdnorm and etoasc): Disable round to even for c4x target
4172 to be compatible with TI compiler.
4174 * Makefile.in (USER_H): Add va-c4x.h to definition.
4176 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
4178 * function.c (purge_addressof_1): Fix typo in inequality: do
4179 bitfield optimization for equal mode sizes.
4180 * expmed.c (store_bit_field): Don't take subregs of subregs in
4181 the movstrict case. Tidy a potential problem in the multi-word case.
4182 (extract_bit_field): Likewise.
4184 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4186 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
4188 Compute max_uid_for_flow by calling get_max_uid after the scan.
4189 (find_basic_blocks_1): Don't emit NOPs here.
4191 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
4193 * alias.c (base_alias_check): Accept new args for the modes of the
4194 two references. Use them to determine if an AND can overlap. Update
4196 (memrefs_conflict_p): Assume sizes are aligned, and uses them
4197 to determine if an AND can overlap.
4199 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
4201 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
4202 check. Add comment to document problems with TARGET_SUN_FPA version
4204 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
4206 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4208 * Makefile.in (gencheck.o): Depend on gansidecl.h.
4210 * c-common.c (print_char_table): Add missing initializers.
4211 (scan_char_table): Likewise.
4212 (time_char_table): Likewise.
4214 * c-decl.c (c_decode_option): Mark parameter `argc' with
4216 (declare_parm_level): Mark parameter `definition_flag' with
4219 * c-lex.c (readescape): Use `(unsigned)1' in shift.
4220 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
4223 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
4225 (emit_call_1): Mark parameters `fndecl' and `funtype' with
4227 (expand_call): Cast result of MIN() to (unsigned int) when
4228 comparing against an unsigned value.
4230 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
4232 (make_definition): Remove unused parameter `op'. All callers
4234 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
4235 comparing against the result of pointer arithmetic.
4237 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
4238 when comparing against one.
4240 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
4241 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
4243 (output_die): Move variable `i' into the scope in which it is
4244 used. Change its type to `unsigned'.
4245 (output_die): Cast the result of `strlen' to (int) when passing it
4246 to ASM_OUTPUT_ASCII().
4247 (output_pubnames): Likewise.
4248 (output_line_info): Likewise.
4250 * emit-rtl.c (global_rtl): Add missing initializers.
4252 * explow.c (promote_mode): Mark parameter `for_call' with
4255 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
4256 `unsigned HOST_WIDE_INT' when comparing against one.
4257 (synth_mult): Change type of variable `cost' to int.
4258 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
4260 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
4261 when comparing against one.
4262 (get_inner_reference): Change variable `alignment' to unsigned.
4263 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
4264 int) when comparing against one.
4265 (expand_builtin_setjmp): Change type of variable `i' to size_t.
4267 * fold-const.c (div_and_round_double): Cast BASE to
4268 (HOST_WIDE_INT) when comparing against one.
4270 * gencheck.c: Include gansidecl.h.
4271 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
4273 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
4274 `tcode' with ATTRIBUTE_UNUSED.
4276 * real.c (edivm): Cast constant value to (unsigned long) in
4277 expression compared against an unsigned value.
4279 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
4280 comparing against one.
4281 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
4282 when comparing against one.
4284 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
4285 (unsigned int) when comparing against one. Likewise for
4287 (smallest_mode_for_size): Likewise.
4288 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
4289 (restore_storage_status): Likewise.
4291 * toplev.c (debug_args): Add missing initializer.
4292 (f_options): Spelling correction. Add missing initializers.
4293 (documented_lang_options): Likewise.
4294 (debug_end_source_file): Mark parameter `lineno' with
4297 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
4298 `decl' and `type' with ATTRIBUTE_UNUSED.
4300 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
4301 when comparing against one.
4302 (assemble_variable): Mark parameter `top_level' with
4304 (assemble_external_libcall): Mark parameter `fun' with
4306 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
4309 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
4311 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
4312 Replace use of r5 with use of r19.
4314 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
4316 * config/v850/v850.c (compute_register_save_size): Allow for the
4317 fact that helper functions save all registers, not just those used
4320 Replace constant 31 with macro LINK_POINTER_REGNUM.
4322 * config/v850/v850.md: Use 'indirect_operand' rather than
4323 'memory_operand' for bit test/set/clear patterns.
4325 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
4327 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
4328 * varasm.c (assemble_start_function et al): Don't call
4329 ASM_GLOBALIZE_LABEL for weak symbols.
4331 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
4333 * cse.c (equiv_constant): Check for NULL return from
4334 gen_lowpart_if_possible().
4336 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
4338 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
4340 * collect2.c (main): Pass -EL/-EB through to the compiler.
4342 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4344 * expr.c (push_block): Handle targets where the stack grows
4345 to higher addresses, but args grow to lower addresses and
4346 ACCUMULATE_OUTGOING_ARGS is not defined.
4348 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
4350 * config/v850/v850.c (print_operand): Extend meaning
4351 of 'c' operands to support .vtinherit.
4353 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4355 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
4356 Added ATTRIBUTE_UNUSED to unused function arguments.
4357 (rc_reg_operand): New predicate.
4358 (c4x_rptb_insert): New function.
4359 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
4360 (c4x_optimization_options): New function.
4362 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
4363 (decrement_and_branch_on_count): New pattern.
4364 (rptb_top): Modified pattern to work with BCT optimization.
4366 * config/c4x/c4x.h (RC_REG): New register class.
4367 (rc_reg_operand): Define prototype.
4368 (IS_RC_REG): New macro.
4369 (IS_RC_OR_PSEUDO_REG): New macro.
4370 (IS_RC_OR_PSEUDO_REGNO): New macro.
4371 (OPTIMIZATION_OPTIONS): Define.
4373 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
4375 * collect2.c (extract_init_priority): No priority is 65535.
4377 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4379 * Makefile.in (build_tooldir): new variable, same as old
4380 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
4381 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
4382 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
4384 * configure.in (gxx_include_dir): set default based on unlibsubdir
4385 * Makefile.in (tooldir): ditto
4386 (cccp.o, cpplib.o): use unlibsubdir implicitly through
4387 gxx_include_dir, includedir and tooldir
4388 (protoize.o, unprotoize.o): ditto
4390 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
4392 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
4394 * config/arm/thumb.c (thumb_override_options): Add warning about
4395 PIC code not being supported just yet.
4397 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
4399 * flow.c: Update comment.
4400 (notice_stack_pointer_modification): New static function.
4401 (record_volatile_insns): Use it.
4402 (mark_regs_live_at_end): Mark the stack pointer as alive
4403 at the end of the function if current_function_sp_is_unchanging
4405 (life_analysis_1): Set current_function_sp_is_unchanging.
4406 * function.c: Define it.
4407 (init_function_start): Initialize it.
4408 * output.h: Declare it.
4409 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
4410 the stack pointer as alive at the end of the function if
4411 current_function_sp_is_unchanging is set.
4412 * i386.c (ix86_epilogue): Optimize the restoring
4413 of the stack pointer.
4415 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
4417 * version.c: Bump for snapshot.
4419 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
4421 * c-pragma.c (handle_pragma_token): If passed a token instead
4422 of a tree, use that as the pack value.
4424 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
4426 * flow.c (find_basic_blocks_1): Fix prototype.
4428 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
4430 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
4431 (struct tree_decl): New fields no_check_memory_usage.
4432 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
4433 (init_attributes): Register it as a new attribute.
4434 (decl_attributes): Set flags on functions given that attribute.
4435 * c-decl.c (duplicate_decls): Merge new attribute.
4436 * expr.h (current_function_check_memory_usage): Declare new var.
4437 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
4438 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
4439 current_function_check_memory_usage.
4440 * function.h: Add field to struct function.
4441 * function.c (current_function_check_memory_usage): Define it.
4442 (push_function_context_to, pop_function_context_from): Save and
4444 (expand_function_start): Set it, based on global flag and function
4447 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4448 check non-automatic variables, to permit detection of writes to
4449 read-only locations in embedded systems without memory management.
4450 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4451 when emitting chkr_set_right_libfunc call, even if the argument is
4452 BLKmode or variable-sized; don't abort.
4454 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
4455 symbols in Pmode, not VOIDmode.
4457 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4459 * cppexp.c: When forcing unsigned comparisons, cast both sides
4462 * cpphash.h: Move static declaration of hashtab[]...
4463 * cpphash.c: ...here.
4465 * cpplib.c: Cast difference of two pointers to size_t before
4466 comparing it to size_t. Cast signed to unsigned
4467 before comparing to size_t. (FIXME: struct argdata should use
4468 unsigned buffer sizes.)
4469 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
4470 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
4471 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
4472 size_t before comparison.
4474 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
4476 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
4477 (find_basic_blocks_1): Similarly.
4478 * output.h (find_basic_blocks): Fix prototype.
4479 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
4480 find_basic_blocks anymore.
4482 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
4484 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
4485 (sbitmap_free, sbitmap_vector_free): New macros.
4486 * output.h (rtl_dump_file): Declare.
4488 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
4490 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
4492 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4494 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
4496 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
4497 (divide): Remove unused variable `tmp'.
4498 (si_to_float): Cast numeric constant to (SItype) before comparing
4501 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
4503 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
4504 * gcc.c (add_preprocessor_option): Correct typo when allocating
4505 memory, sizeof() argument had one too many `*'.
4506 (add_assembler_option): Likewise.
4507 (add_linker_option): Likewise.
4508 * gcov.c (output_data): Likewise.
4509 * local-alloc.c (memref_used_between_p): Likewise.
4510 (update_equiv_regs): Likewise.
4511 * loop.c (strength_reduce): Likewise.
4512 * reg-stack.c (record_asm_reg_life): Likewise.
4513 (subst_asm_stack_reg): Likewise.
4514 * reorg.c (dbr_schedule): Likewise.
4516 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4518 * flow.c (life_analysis_1): Break out some functions.
4519 (find_basic_blocks_1): Likewise. Also move some variables out and
4521 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
4522 new static var nonlocal_label_list with it.
4523 (active_eh_region, nested_eh_region, label_value_list,
4524 nonlocal_label_list): New static variables.
4525 (make_edges, delete_unreachable_blocks, delete_block): New static
4526 functions, broken out of find_basic_blocks_1.
4527 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
4528 noop_move_p): New static functions, broken out of life_analysis_1.
4530 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
4532 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
4533 Take extra care for op0 now possibly being a subreg.
4534 (extract_bit_field): Likewise.
4535 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
4536 the reg to memory if there is no equal sized integral mode.
4537 * stor-layout.c (int_mode_for_mode): New function.
4538 * machmode.h: Prototype it.
4540 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
4542 * global.c (build_insn_chain): Verify no real insns exist past the
4543 end of the last basic block, then exit the loop.
4545 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4547 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
4549 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
4551 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
4553 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
4555 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
4557 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
4559 * flow.c (find_basic_blocks): Correctly determine when a call
4560 is within an exception region.
4562 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
4564 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
4566 * cpplib.h: Protect from multiple inclusions.
4567 * cpplib.c: Fix minor formatting problems.
4569 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
4571 * jump.c (jump_optimize): Revert accidental patch.
4573 * Makefile.in (cpplib.o): Use unlibsubdir.
4575 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
4577 * loop.c (get_condition): Allow combine when either compare is
4580 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
4582 * version.c: Bump for snapshot.
4584 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
4586 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
4587 (init_lex): Initialize ridpointers[RID_BYREF].
4588 * c-lex.h (enum rid): Add RID_BYREF.
4589 * c-parse.gperf: Add RID_BYREF as a type qualifier.
4590 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
4591 (encode_type_qualifiers): Similarly
4592 * c-gperf.h: Rebuilt.
4594 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
4596 * c-common.c (type_for_mode): Only return TItype nodes when
4597 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4598 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
4599 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4600 (init_decl_processing): Only create TItype nodes when
4601 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4602 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
4603 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4605 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4607 * stmt.c (n_occurrences): New static function.
4608 (expand_asm_operands): Verify that all constrains match in the
4609 number of alternatives.
4610 Verify that '+' or '=' are at the beginning of an output constraint.
4611 Don't allow '&' for input operands.
4612 Verify that '%' isn't written for the last operand.
4613 * reload.c (find_reloads): Abort if an asm is found with invalid
4614 constraints; all possible problems ought to be checked for earlier.
4616 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4618 * flags.h (flag_branch_on_count_reg): Always declare
4619 * toplev.c (flag_branch_on_count_reg): Likewise.
4620 * toplev.c: Fix typos.
4622 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
4625 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
4627 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
4629 (find_basic_blocks_1): Add a nop to the end of a basic block when
4630 a trailing call insn does not have abnormal control flow.
4631 * gcse.c (pre_transpout): New variable.
4632 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
4633 (compute_pre_transpout): Calculate it.
4634 (compute_pre_ppinout): Use it to eliminate impossible placements
4635 due to abnormal control flow through calls.
4636 (compute_pre_data): Call compute_pre_transpout.
4638 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4640 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
4642 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
4644 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
4645 and matching define_insns): Tack on a `use' of the table label, so
4646 flow analysis will recognize a tablejump.
4648 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
4650 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
4651 always end basic blocks for abnormal edge reasons.
4653 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
4655 * config/i386/i386.h: Remove definition of
4656 HANDLE_PRAGMA_PACK_PUSH_POP.
4658 * config/i386/go32.h: Add definition of
4659 HANDLE_PRAGMA_PACK_PUSH_POP.
4661 * config/i386/win32.h: Add definition of
4662 HANDLE_PRAGMA_PACK_PUSH_POP.
4664 * config/i386/cygwin32.h: Add definition of
4665 HANDLE_PRAGMA_PACK_PUSH_POP.
4667 * c-pragma.c (insert_pack_attributes): Do not insert
4668 attributes unless #pragma pack(push,<n>) is in effect.
4670 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
4672 * expr.c (emit_group_store): Handle a PARALLEL destination.
4674 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
4676 * gcse.c (pre_insert_insn): When a call ends a bb, insert
4677 the new insns before the argument regs are loaded.
4679 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4681 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
4682 (c-parse.gperf): Update comments describing invocation flags.
4683 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
4685 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
4687 * reload1.c (reload): Call free before clobbering the memory
4688 locations or constants pointers.
4690 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4692 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
4693 for efficiency by checking whether we need to modify the current
4694 stack permission at all.
4695 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
4696 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
4697 __enable_execute_stack libcall here too if
4698 TRANSFER_FROM_TRAMPOLINE is defined.
4699 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
4702 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
4704 * Makefile.in (DRIVER_DEFINES): Remove last change.
4706 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4708 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
4709 insns we're going to copy.
4710 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
4712 * loop.c (count_one_set): Add prototype.
4714 * caller-save.c (restore_referenced_regs): Lose mode argument.
4715 (insert_save): Lose mode argument.
4716 (insert_restore): Lose mode argument.
4717 (insert_one_insn): Lose mode argument.
4718 (save_call_clobbered_regs): Lose mode argument.
4719 (setup_save_areas): Take no argument and return void. All callers
4721 Don't verify validity of memory addresses.
4722 * reload.h (setup_save_ares): Adjust prototype.
4723 (save_call_clobbered_regs): Likewise.
4724 * reload1.c (delete_caller_save_insns): New function.
4725 (caller_save_spill_class): Delete variable.
4726 (caller_save_group_size): Delete variable.
4727 (reload): Call setup_save_areas and save_call_clobbered_regs
4728 in the main loop, before calling calculate_needs_all_insns.
4729 Don't call save_call_clobbered_regs after the loop.
4730 Call delete_caller_save_insns at the end of an iteration if
4732 Delete code to manage caller_save_spill_class.
4733 Emit the final note before setting reload_first_uid.
4734 Simplify test that determines whether reload_as_needed gets run.
4735 (calculate_needs): Delete code to manage caller_save_spill_class.
4737 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
4739 * collect2.c (main): Initialize ld_file_name.
4741 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
4743 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
4744 check for flag_function_sections.
4746 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4748 * cse.c (insert_regs): Fix bug in Sep 24 change.
4750 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4752 * flags.h (flag_dump_unnumbered): Declare.
4753 * toplev.c (flag_dump_unnumbered): Don't declare.
4754 * print-rtl.c (flags.h): Include.
4755 (print_rtl_single): Add return value.
4756 * rtl.h (print_rtl_single): Update declaration.
4757 * flow.c (flag_dump_unnumbered): Don't declare.
4758 (print_rtl_with_bb): Use return value of print_rtl_single.
4760 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4762 * loop.c (count_one_set): New static function, broken out of
4764 (count_loop_regs_set): Call it.
4765 * global.c (mark_reg_store): Handle clobbers here by not calling
4767 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
4768 is in fact a clobber.
4769 * integrate.c (process_reg_param): New function, broken out of
4770 expand_inline_function.
4771 (expand_inline_function): Call it.
4774 * i386.md (addsidi3_1): Delete unused variable temp.
4775 (addsidi3_2): Likewise.
4776 (clstrstrsi): Delete unused variable addr1.
4778 * rtl.h: Don't declare any functions also declared in recog.h.
4780 * Makefile.in (stupid.o): Update dependencies.
4781 (global.o): Likewise.
4783 * global.c: Include reload.h
4784 (reg_becomes_live): New function.
4785 (reg_dies): New function.
4786 (build_insn_chain): New function.
4787 (global_alloc): Call build_insn_chain before calling reload.
4789 * reload.h (struct needs): New structure definition.
4790 (struct insn_chain): Likewise.
4791 (reload_insn_chain): Declare variable.
4792 (new_insn_chain): Declare function.
4795 * reload1.c (reload_startobj): New variable.
4796 (reload_insn_chain): New variable.
4797 (unused_insn_chains): New variable.
4798 (new_insn_chain): New function.
4799 (init_reload): Initialize reload_startobj, not reload_firstobj.
4800 (reload): Initialize reload_firstobj.
4801 Before returning, free everything on the reload_obstack.
4803 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
4804 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
4805 current_chain): New variables.
4806 (reg_where_born): Delete variable.
4807 (REG_WHERE_BORN): New macro.
4808 (find_clobbered_regs): New function.
4809 (stupid_life_analysis): Don't allocate/free reg_where_born.
4810 Allocate and free reg_where_born_exact, reg_where_born_clobber,
4811 reg_where_dead_chain.
4812 Use REG_WHERE_BORN instead of reg_where_born.
4813 While processing the insns, build the reload_insn_chain with
4814 information about register lifetimes.
4815 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
4816 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
4818 Compute and information about birth and death of pseudo registers in
4819 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
4820 Delete code to set elements of reg_where_born.
4822 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4824 * tree.def (GOTO_EXPR): Modified documentation.
4825 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
4828 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
4830 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
4831 loop_final_value, loop_comparison_code): No longer static.
4832 (unroll_loop): Delete loop_start_value update.
4833 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
4834 loop_final_value, loop_comparison_code): Extern.
4835 (loop_start_value): Delete extern.
4836 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
4837 loop_comparison_value, loop_comparison_code): Delete.
4838 (loop_optimize): Remove initialization for deleted variables.
4839 (strength_reduce): Delete analyze_loop_iterations call. Only call
4840 insert_bct if flag_branch_count_on_reg set.
4841 (analyze_loop_iterations): Delete.
4842 (insert_bct): Remove iteration count calculation. Move checks for
4843 viable BCT optimization to here. Obtain iteration count from
4844 loop_iterations and correct for unrolling. Check for enough
4845 iteration to be beneficial. Comment out runtime iteration count
4847 (insert_bct): Print iteration count in dump file. Remove
4848 loop_var_mode and use word_mode directly.
4850 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
4851 * rs6000.c (rs6000_override_options): Use it.
4852 (optimization_options): Enable use of flag_branch_on_count_reg.
4853 * rs6000.md (define_function_unit): Describe 604e.
4855 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4857 * loop.c (move_movables): Corrected threshold calculation for
4858 moved_once registers.
4860 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4862 * loop.c (combine_givs_p): Fix test for identical givs.
4864 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
4866 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
4867 call abort if the function is already defined.
4869 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
4871 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
4872 truncation is not a no-op.
4874 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
4876 * version.c: Bump for snapshot.
4878 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
4880 * version.c: Bump for snapshot.
4882 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
4884 * expmed.c (expand_divmod): Don't widen for computing remainder
4885 if we seem to have a divmod pattern for needed mode.
4887 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4889 * cpplib.c (macroexpand): Correct off-by-one error in handling
4892 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
4894 * combine.c (expand_field_assignment): Don't do bitwise operations
4895 on MODE_FLOAT; pun to MODE_INT if possible.
4897 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
4898 scott snyder <snyder@d0sgif.fnal.gov>
4900 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
4901 linker. Recognize mangled names in quotes.
4903 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4905 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
4906 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
4907 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
4908 (lshrsi3_extend, lshrsi3_extend2): Ditto.
4910 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4912 * function.c (purge_addressof_1): If trying to take a sub-word
4913 integral piece of a floating point mode, put it on the stack.
4915 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
4917 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
4919 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
4921 * PROJECTS: Remove template friends.
4923 * collect2.c (sort_ids): Remove unused variable.
4925 * tm.texi (MATH_LIBRARY): Document.
4926 (NEED_MATH_LIBRARY): Remove.
4928 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
4929 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
4931 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
4933 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
4934 last_end to 0x7fffffff.
4936 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4938 * function.c (purge_addressof_1): Do not perform endianness
4939 corrections on bitpos, who we call will do it for us.
4941 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
4943 * h8300.c (WORD_REG_USED): Fix typo.
4944 (initial_offset): Use WORD_REG_USED.
4946 * h8300.c (handle_pragma): Fix typo.
4948 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4950 * caller-save.c (insert_save_restore): Break this function up
4951 into new functions insert_restore, insert_save and insert_one_insn.
4952 All callers changed.
4953 (insert_restore): New function, mostly broken out of
4954 insert_save_restore.
4955 (insert_save): Likewise.
4956 (insert_one_insn): Likewise.
4957 (restore_referenced_regs): New argument BLOCK. All callers changed.
4958 (save_call_clobbered_regs): Don't keep track of basic block boundaries
4959 in this function, do it in insert_one_insn instead.
4961 * reload1.c (reload): Break out some more pieces into separate
4963 (dump_needs): New function, broken out of reload.
4964 (set_initial_elim_offsets): Likewise.
4965 (init_elim_table): Likewise.
4966 (update_eliminables): Likewise.
4968 * global.c (global_alloc): Delete code to manage the scratch_list.
4969 * local-alloc.c (qty_scratch_rtx): Delete.
4970 (scratch_block): Delete.
4971 (scratch_list): Delete.
4972 (scratch_list_length): Delete.
4973 (scratch_index): Delete.
4974 (alloc_qty_for_scratch): Delete.
4975 (local-alloc): Update initialization of max_qty.
4976 Delete code to manage the scratch list.
4977 Delete code to allocate/initialize qty_scratch_rtx.
4978 (block_alloc): Don't allocate quantities for scratches.
4979 Delete code to manage the scratch list.
4980 * regs.h (scratch_list): Delete declaration.
4981 (scratch_block): Delete declaration.
4982 (scratch_list_length): Delete declaration.
4983 * reload1.c (reload): Delete code to manage the scratch list.
4984 (spill_hard_reg): Likewise.
4985 (mark_scratch_live): Delete.
4987 * recog.c (alter_subreg): Delete declaration.
4989 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
4991 * Makefile.in (cccp.o): Fix typo in last patch.
4993 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4995 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
4996 * config/sh/lib1funcs.asm (___set_fpscr): Add.
4998 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
5000 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
5001 NULL_RTX as an argument.
5003 * Makefile.in (unlibsubdir): Define.
5004 (DRIVER_DEFINES): Use unlibsubdir.
5005 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
5006 (stmp-fixinc): Similarly.
5008 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5010 * regmove.c (regmove_optimize): Add variable old_max_uid.
5011 At the end of the function, update basic_block_end.
5013 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5015 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
5016 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
5019 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
5021 * config/arm/arm.c: Improve interworking support.
5023 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5025 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
5026 copied from reload_out[r] .
5028 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
5030 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
5031 with more than three size ranges.
5033 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
5035 * rtl.c (mode_name): Add a null string at the end of the array.
5036 (mode_wider_mode): Change type to unsigned char.
5037 (mode_mask_array): New variable.
5038 (init_rtl): Update for mode_wider_mode type change.
5040 * rtl.h (mode_wider_mode): Change type to unsigned char.
5041 (mode_mask_array): Declare.
5042 (GET_MODE_MASK): Use mode_mask_array.
5044 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
5046 * calls.c (expand_call) : Encapsulate code into
5047 copy_blkmode_from_reg.
5048 * expr.c (copy_blkmode_from_reg): New function.
5049 * expr.h (copy_blkmode_from_reg): New function.
5050 * integrate.c (function_cannot_inline_p): We can inline
5052 (expand_inline_function): Use copy_blkmode_from_reg
5053 if needed. Avoid creating BLKmode REGs.
5054 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
5057 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
5059 * config/v850/v850.c: Add function prototypes.
5060 Add support for v850 special data areas.
5062 * config/v850/v850.h: Add support for v850 special data areas.
5064 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
5065 HANDLE_PRAGMA_PACK_PUSH_POP.
5066 (push_alignment): New function: Cache an alignment requested
5067 by a #pragma pack(push,<n>).
5068 (pop_alignment): New function: Pop an alignment from the
5070 (insert_pack_attributes): New function: Generate __packed__
5071 and __aligned__ attributes for new decls whilst a #pragma pack
5073 (add_weak): New function: Cache a #pragma weak directive.
5074 (handle_pragma_token): Document calling conventions. Add
5075 support for #pragma pack(push,<n>) and #pragma pack (pop).
5077 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
5078 are defined enable HANDLE_PRAGMA_PACK.
5079 Move 'struct weak_syms' here (from varasm.c).
5080 Add pragma states for push and pop pragmas.
5082 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
5085 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
5086 HANDLE_GENERIC_PRAGMAS.
5088 * varasm.c: Move definition of 'struct weak_syms' into
5090 (handle_pragma_weak): Deleted.
5092 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5094 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5096 * c-decl.c (start_function): Add invocation of
5097 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
5099 * tm.texi: Remove description of non-existant macro
5100 SET_DEFAULT_SECTION_NAME.
5102 (HANDLE_SYSV_PRAGMA): Document.
5103 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
5105 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
5107 * config.sub: Recognize i[34567]86-pc-udk as new target.
5108 * configure.in: Likewise.
5109 * config/i386/t-udk: New file.
5110 * config/i386/udk.h: New file.
5112 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
5114 * reorg.c (check_annul_list_true_false): Remove unused variables.
5115 (steal_delay_list_from_target): Add missing "used_annul" variable.
5116 (try_merge_delay_insns): Close out half formed comment.
5118 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5120 * cpplib.c (macroexpand): If arg->raw_before or
5121 arg->raw_after, remove any no-reexpansion escape at the
5122 beginning of the pasted token. Correct handling of whitespace
5123 markers and no-reexpand markers at the end if arg->raw_after.
5125 * toplev.c (documented_lang_options): Recognize -include,
5126 -imacros, -iwithprefix, -iwithprefixbefore.
5127 * cpplib.c (cpp_start_read): Process -imacros and -include
5128 switches at the same time and in command-line order, after
5129 initializing the dependency-output code. Emit properly nested
5130 #line directives for them. Emit a #line for the main file
5131 before processing these switches, and don't do it again
5134 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
5136 * function.c (purge_addressof_1): Use bitfield manipulation
5137 routines to handle mem mode < reg mode.
5139 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5141 * reorg.c (try_merge_delay_insns): Account for resources referenced
5142 in each instruction in INSN's delay list before trying to eliminate
5143 useless instructions. Similarly when looking at a trial insn's delay
5146 * reorg.c (check_annul_list_true_false): New function.
5147 (steal_delay_list_from_{target,fallthrough}): Call it and also
5148 refine tests for when we may annul if already filled a slot.
5149 (fill_slots_from_thread): Likewise.
5150 (delete_from_delay_slot): Return newly-created thread.
5151 (try_merge_delay_isns): Use its new return value.
5153 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
5155 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
5156 used to compute a giv or as some other non-counting use.
5158 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5160 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
5161 * local-alloc.c (find_free_reg): Use it.
5162 * global.c (find_reg): Likewise.
5163 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
5165 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
5166 * caller-save.c (init_caller_save): Use it.
5167 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
5169 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5171 * configure.in: Add --enable-cpplib option which uses cpplib
5172 for cpp, but doesn't link cpplib into cc1. Make help text
5173 capitalization consistent.
5174 * configure: Rebuilt.
5176 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
5178 * function.c (gen_mem_addressof): If the address REG is
5179 REG_USERVAR_P make the new REG be so also.
5180 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
5181 in an attempt to clarify slightly.
5183 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
5185 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
5186 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
5188 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
5190 * toplev.c: Fix last patch.
5192 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
5194 * loop.c (get_condition): Fix typo in May 9 change.
5196 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5198 * invoke.texi (-fexceptions): Merge 2 different descriptions.
5200 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5202 * toplev.c (documented_lang_options): Spelling corrections.
5204 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5206 * configure.in: new flags --with-ld and --with-as, equivalent
5207 to setting LD and AS environment variables. Test whether
5208 specified arguments are GNU commands, and report them with
5209 checking messages. Use the specified AS for configure
5212 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
5214 * gcc.c (find_a_file): when looking for `as' and `ld', return
5215 the DEFAULT program if it exists
5216 * collect2.c (main): use DEFAULT_LINKER if it exists
5218 * gcc.c (find_a_file): the test for existence of a full
5219 pathname was reversed
5221 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
5223 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
5224 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
5226 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
5228 * tree.h (TYPE_BINFO): Document.
5230 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
5232 * i386-coff.h (dbxcoff.h): Added.
5234 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
5236 * toplev.c: fix bad patch around flag_data_sections.
5238 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
5240 * reload1.c (reload): Use reload_address_index_reg_class and
5241 reload_address_base_reg_class when setting
5242 caller_save_spill_class. (Patch generated by Jim Wilson:
5245 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
5247 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
5248 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
5249 * expr.c (store_field): Add alias_set parameter. Set the
5250 MEM_ALIAS_SET accordingly, if the target is a MEM.
5251 (expand_assignment): Use it.
5252 (store_constructor_field): Pass 0.
5253 (expand_expr): Likewise.
5255 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
5257 * flags.h: Add flag_data_sections.
5258 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
5259 (compile_file): Error if flag_data_sections not supported.
5260 * varasm.c (assemble_variable): Handle flag_data_sections.
5261 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
5262 * config/mips/elf.h: Likewise.
5263 * config/mips/elf64.h: Likewise.
5264 * invoke.texi: Describe -fdata-sections.
5266 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
5268 * invoke.texi (-ffloat-store): Clarify that this option
5269 does not affect intermediate results -- only variables.
5271 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
5273 * cpp.texi: Update for Fortran usage from Craig.
5275 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5277 * rs6000.c (function_arg_boundary): Revert accidental change on
5280 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
5282 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
5283 (output_mi_thunk): Declare.
5285 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
5286 (output_function_profiler): Use r12 for temp, instead of r11 so
5287 that we preserve the static chain register.
5289 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
5291 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
5293 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5295 * sh.c (gen_shl_sext): Fix case 5.
5297 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5299 * reload1.c (reload_combine): Re-add line that got accidentally lost.
5301 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5303 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
5304 accessing variables until they are initialized via va_arg().
5306 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5308 * reload1.c (reload_combine): Initialize set before using.
5310 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
5312 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
5315 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
5317 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
5318 operand3 with mask before using it. Patch provided by Jim Wilson.
5320 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5322 * config/sparc/sparc.c (function_value): Perform the equivalent of
5323 PROMOTE_MODE for ARCH64.
5324 (eligible_for_epilogue_delay): Allow DImode operations in delay
5325 slot of a return for ARCH64.
5327 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5329 * sh.md (sqrtsf2): Fix mode of sqrt.
5331 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5333 * reload1.c (choose_reload_regs): Also try inheritance when
5334 reload_in is a stack slot of a pseudo, even if we already got a
5337 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5339 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
5340 (reload_cse_regs): New function body: call reload_cse_regs_1,
5341 reload_combine, reload_cse_move2add.
5342 When doing expensive_optimizations, call reload_cse_regs_1 a
5343 second time after reload_cse_move2add.
5344 (reload_combine, reload_combine_note_store): New functions.
5345 (reload_combine_note_use): New function.
5346 (reload_cse_move2add, move2add_note_store): New functions.
5348 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5350 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
5351 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
5353 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
5354 more than 3 such reloads.
5356 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
5357 RELOAD_FOR_X_ADDR_ADDR reload.
5359 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5361 * expr.c (store_constructor): When initializing a field that is smaller
5362 than a word, at the start of a word, try to widen it to a full word.
5364 * cse.c (cse_insn): When we are about to change a register,
5365 remove any invalid references to it.
5367 (remove_invalid_subreg_refs): New function.
5368 (mention_regs): Special treatment for SUBREGs.
5369 (insert_regs): Don't strip SUBREG for call to mention_regs.
5370 Check if reg_tick needs to be bumped up before that call.
5371 (lookup_as_function): Try to match known word_mode constants when
5372 looking for a norrower constant.
5373 (canon_hash): Special treatment for SUBREGs.
5375 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5377 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
5378 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
5379 defined, emit libcall to __enable_execute_stack. Also fix opcodes
5380 and offsets in actual stack trampoline code so they match the
5381 commentary and actually work.
5383 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5385 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
5387 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
5388 tmake_file. Set extra_parts to needed crt objects.
5389 * configure: Rebuilt.
5390 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
5391 (TARGET_DEFAULT): Set if default is v9 or ultra.
5392 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
5393 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
5394 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
5395 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
5396 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
5397 (TARGET_VERSION): Define.
5398 (MULTILIB_DEFAULT): Define.
5399 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
5400 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
5401 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
5403 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
5404 * config/sparc/sparc.c (sparc_override_options): If arch and
5405 pointer size disagree, emit diagnostic and fix it up. If
5406 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
5407 V8PLUS in 64-bit mode.
5408 * config/sparc/t-linux64: New file.
5409 * config/sparc/t-sol2-64: New file.
5410 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
5411 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
5412 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
5413 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
5414 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
5415 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
5417 (STARTFILE_SPEC): Set approriately based upon those.
5418 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
5419 disposition of DEFAULT_ARCH32_P.
5420 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
5421 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
5422 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
5423 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
5424 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
5426 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
5428 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
5430 * rtl.h (init_virtual_regs): New function.
5431 * emit-rtl.c (init_virtual_regs): Define.
5432 (insn_emit): Use it.
5433 * integrate.c (save_for_inline_copying): Likewise.
5435 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
5437 * config/arm/thumb.h: The following patches were made by Jim Wilson:
5438 (enum reg_class): Add NONARG_LO_REGS support.
5439 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5440 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
5441 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
5442 completes. Re-enable HImode REG+OFFSET addresses.
5443 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5445 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5447 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5449 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5450 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5451 (alpha_align_insns): Properly calculate initial offset wrt max_align.
5453 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
5455 * arm.c (find_barrier): Revert change of Apr 23. Handle table
5456 jumps as a single entity, taking into account the size of the
5459 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5461 * tree.def (SWITCH_EXPR): New tree node definition.
5463 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
5465 * version.c: Bump for snapshot.
5467 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
5469 * version.c: Bump for snapshot.
5471 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
5473 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
5476 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
5478 * Revert this patch.
5479 * reload.c (find_reloads): Do not replace a pseudo with
5480 (MEM (reg_equiv_addr)) in the initializing insn for the
5483 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
5485 * final.c (final_scan_insn): Disable tracking CC across branches.
5487 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5489 * expr.h (eh_rtime_match_libfunc): New extern declaration.
5490 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
5491 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
5492 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
5493 NULL. Only include <stdio.h> if inhibit_libc is not defined.
5495 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
5497 * toplev.c (rest_of_compilation): Skip compiling anything with
5498 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
5500 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
5502 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
5503 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
5504 use in_libcall_block.
5505 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
5506 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
5509 Mon Sep 21 14:02:23 1998
5511 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
5512 typo in no-fancy-math-387 description.
5514 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
5516 * version.c: Bump for snapshot.
5518 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
5520 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
5522 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
5524 * i386.h: (TARGET_SWITCHES) Add description fields for flags
5525 documented in install.texi.
5526 (TARGET_OPTIONS) Likewise.
5528 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
5530 * version.c: Bump for snapshot.
5532 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
5534 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
5535 * cccp.c (main): Likewise.
5537 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
5538 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
5541 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
5543 * Makefile.in (LIBS): Link in libiberty.a.
5544 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
5546 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
5548 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
5549 it to update bb boundaries. Update caller.
5550 * function.c (reposition_prologue_and_epilogue_notes): Update
5551 bb boundaries wrt the moved note.
5553 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
5555 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
5557 * configure: Regenerate.
5559 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
5561 * alpha.c (alpha_sr_alias_set): New variable.
5562 (override_options): Set it.
5563 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
5564 (mode_mask_operand): Fix signed-unsigned comparision warning.
5565 (alpha_expand_block_move): Likewise.
5566 (print_operand): Likewise.
5567 (get_aligned_mem): Use change_address.
5568 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
5569 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
5570 (alphaev4_next_nop, alphaev5_next_nop): New functions.
5571 (alpha_align_insns): Remade from old alphaev5_align_insns
5572 to handle multiple processors.
5573 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
5574 * output.h (label_to_alignment): Prototype.
5576 * tree.c (new_alias_set): New function.
5577 * tree.h (new_alias_set): Declare it.
5578 * c-common.c (c_get_alias_set): Use it.
5580 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
5582 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
5583 to an ABS expr, convert an unsigned input to signed.
5585 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
5587 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
5589 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5591 * configure.in: Add support for c4x targets.
5592 * configure: Rebuilt.
5594 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
5596 * combine.c (distribute_notes): If an insn is a cc0 user, only
5597 delete it if we can also delete the cc0 setter.
5599 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
5601 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
5602 (invert_truthvalue): Enable truthvalue inversion for
5603 floating-point operands if -ffast-math.
5605 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
5607 * configure.in: Disable collect2 for nextstep. Instead use
5609 * configure: Rebuilt.
5610 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
5611 (ENDFILE_SPEC): Define.
5612 (OBJECT_FORMAT_MACHO): Define.
5613 (EH_FRAME_SECTION_ASM_OP): Define.
5614 * crtstuff.c: Handle MACHO.
5616 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
5618 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
5620 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
5622 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
5623 (_fpadd_parts): Get sign right for 0.
5625 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5627 * ginclude/varargs.h: Add support for C4x target.
5628 * ginclude/stdargs.h: Likewise.
5630 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
5632 * alpha.c (alpha_return_addr): SET should be VOIDmode.
5633 (alpha_emit_set_long_const): Rewrite to be callable from reload
5635 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
5636 * alpha.md (movdi): Likewise.
5638 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
5640 * arm.c (add_constant): New parameter address_only, change caller.
5641 Set it non-zero if taking the address of an item in the pool.
5642 (arm_reorg): Handle cases where we need the address of an item in
5645 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
5647 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
5648 memory addresses that are not in standard canonical form.
5650 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
5652 * README.C4X: New file with information about the c4x ports.
5653 * ginclude/va-c4x.h: New file for c4x varargs support.
5654 * config/c4x: New directory with c4x port files.
5656 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
5658 * reload.c (find_reloads): Do not replace a pseudo with
5659 (MEM (reg_equiv_addr)) in the initializing insn for the
5662 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
5664 * toplev.c (rest_of_compilation): Set bct_p on second call to
5666 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
5668 (strength_reduce): Only call analyze_loop_iterations and
5669 insert_bct if bct_p set.
5670 (check_dbra_loop): Fix typo.
5671 (insert_bct): Use word_mode instead of SImode.
5672 (instrument_loop_bct): Likewise. Do not delete iteration count
5673 condition code generation insn. Initialize iteration count before
5675 * rtl.h (loop_optimize): Update prototype.
5677 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
5678 not doubleword aligned.
5680 * rs6000.c (optimization_options): New function.
5681 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
5682 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
5683 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
5684 first; cr1 can be used for FP record condition insns.
5686 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
5688 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
5691 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
5694 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
5696 (block_move_call): New function: Call a library routine to copy a
5698 (m32r_expand_block_move): New function: Expand a "movstrsi"
5699 pattern into a sequence of insns.
5700 (m32r_output_block_move): New function: Expand a
5701 "movstrsi_internal" pattern into a sequence of assembler opcodes.
5702 (m32r_block_immediate_operand): New function: Return true if the
5703 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
5705 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5707 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
5709 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
5711 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5713 * regmove.c (copy_src_to_dest): Check that modes match.
5715 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
5717 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
5719 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
5721 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
5722 narrower than FLOAT_REGS.
5724 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5726 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
5728 * Makefile.in (old_gxx_include_dir): removed
5730 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
5732 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
5735 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
5736 (sh_handle_pragma): Change function arguments to match new
5737 specification for HANDLE_PRAGMA.
5739 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5741 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
5743 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
5744 When generating output, initialize missing struct member to zero.
5746 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5748 * regmove.c (copy_src_to_dest): Don't copy if that requires
5749 (a) new register(s).
5751 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5753 * global.c (reg_allocno): Now static.
5754 * reload1.c (reg_allocno): Delete declaration.
5755 (order_regs_for_reload): Take no arguments. Don't treat regs
5756 allocated by global differently than those allocated by local-alloc.
5758 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
5760 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
5761 condition, fix format strings.
5762 (output_function_epilogue): Likewise.
5764 * m68k/m68k.c: Don't include <stdlib.h> directly.
5766 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
5768 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
5769 mem_first_set, mem_last_set; because 0 can be a CUID.
5770 (oprs_unchanged_p): Use new definition.
5771 (record_last_reg_set_info): Likewise.
5772 (record_last_mem_set_info): Likewise.
5773 (compute_hash_table): Likewise.
5775 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
5777 * rs6000.c (output_epilogue): Handle Chill.
5779 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5780 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5782 * combine.c (make_extraction): If no mode is specified for
5783 an operand of insv, extv, or extzv, default it to word_mode.
5784 (simplify_comparison): Similarly.
5785 * expmed.c (store_bit_field): Similarly.
5786 (extract_bit_field): Similarly.
5787 * function.c (fixup_var_regs_1): Similarly.
5788 * recog.c (validate_replace_rtx_1): Similarly.
5789 * mips.md (extv, extzv, insv expanders): Default modes for most
5790 operands. Handle TARGET_64BIT.
5791 (movdi_uld, movdi_usd): New patterns.
5793 * pa.c (emit_move_sequence): Do not replace a pseudo with its
5794 equivalent memory location unless we have been provided a scratch
5795 register. Similarly do not call find_replacement unless a
5796 scratch register has been provided.
5798 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5800 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
5803 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
5805 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
5806 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
5807 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
5808 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
5809 * c-decl.c (init_decl_processing): Update accordingly.
5810 * expr.c (expand_builtin): Likewise.
5812 * rtl.h (global_rtl): Add cfa entry.
5813 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
5814 (LAST_VIRTUAL_REGISTER): Update.
5815 * emit-rtl.c (global_rtl): Add cfa entry.
5816 (init_emit): Initialize it.
5817 * function.c (cfa_offset): New.
5818 (instantiate_virtual_regs): Initialize it.
5819 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
5820 (expand_function_end): Call expand_eh_return.
5821 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
5823 * except.c (current_function_eh_stub_label): Kill.
5824 (current_function_eh_old_stub_label): Likwise; update all references.
5825 (expand_builtin_set_return_addr_reg): Kill.
5826 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
5827 (expand_builtin_set_eh_regs): Kill.
5828 (eh_regs): Produce a third reg for the actual handler address.
5829 (eh_return_context, eh_return_stack_adjust): New.
5830 (eh_return_handler, eh_return_stub_label): New.
5831 (init_eh_for_function): Initialize them.
5832 (expand_builtin_eh_return, expand_eh_return): New.
5833 * except.h: Update prototypes.
5834 * flow.c (find_basic_blocks_1): Update references to the stub label.
5835 * function.h (struct function): Kill stub label elements.
5837 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
5838 register number is one that would be in the previous window.
5839 Provide a dummy definition for non-windowed targets.
5840 (get_reg_addr): New function.
5841 (get_reg, put_reg, copy_reg): Use it.
5842 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
5843 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
5845 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
5846 (alpha_init_expanders): Initialize it.
5847 (alpha_expand_epilogue): Use it.
5848 * alpha.h: Declare it.
5849 * alpha.md (eh_epilogue): New.
5851 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
5852 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
5854 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
5856 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
5859 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5861 * except.h (struct eh_entry): Add false_label field.
5862 (end_catch_handler): Add prototype.
5863 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
5864 (start_catch_handler): When using old style exceptions, issue
5865 runtime typematch code before continuing with the handler.
5866 (end_catch_handler): New function, generates label after handler
5867 if needed by older style exceptions.
5868 (expand_start_all_catch): No need to check for new style exceptions.
5869 (output_exception_table_entry): Only output the first handler label
5870 for old style exceptions.
5871 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
5872 mechanism into one function, if a runtime matcher is provided.
5874 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5876 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
5878 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
5880 * integrate.c (copy_decl_list): Fix typo.
5882 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5884 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
5887 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
5889 * version.c: Bump for snapshot.
5891 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
5893 * version.c: Bump for snapshot.
5895 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
5897 * version.c: Bump for snapshot.
5899 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5901 * invoke.texi (C Dialect Options): Put back missing @end itemize.
5903 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5905 * configure.in: remove usage of `!' to negate the result of a
5906 command; some common shells do not support it
5908 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5910 * configure.in: in sparc9-sol2 config, use 'if test' not
5912 * configure: Rebuilt.
5914 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
5916 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
5917 (CPP_CPU_DEFAULT_SPEC): Likewise.
5918 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
5919 for arch64 libfuncs.
5921 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
5924 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5926 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
5928 * collect2.c: Don't declare `sys_siglist' here.
5929 (my_strsignal): Prototype and define new function. Use it in
5930 place of `sys_siglist' hacks.
5932 * mips_tfile.c: Likewise.
5934 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
5935 (GCC_NEED_DECLARATIONS): Likewise.
5937 * system.h (strsignal): Prototype it, if necessary.
5938 (sys_siglist): Declare it, if necessary.
5940 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5942 * loop.c (move_movables): While removing insn sequences, preserve
5943 the next pointer of the most recently deleted insn when we skip
5946 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
5948 * objc/config-lang.in: Do not output the name of the selected
5949 thread file when building the front-end. The Makefile for the
5950 runtime library will do this.
5952 * objc/Make-lang.in: Do not build the runtime library or install
5953 the Objective C header files. The Makefile for the runtime
5954 library will do this.
5956 * objc/Makefile.in (all.indirect): Only build the front-end.
5957 (compiler): Rename to `frontend'.
5958 (obj-runtime): Remove target.
5959 (copy-headers): Likewise.
5960 (clean): No need to remove `libobjc.a' any longer.
5962 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
5964 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
5965 supported with -mcpu=xxx.
5967 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5969 * flow.c (mark_set_1): Recognize multi-register structure return
5970 values in CALL insns.
5971 (mark_used_regs): Likewise.
5972 (count_reg_sets_1): Likewise.
5973 (count_reg_references): Likewise.
5974 * rtlanal.c (note_stores): Likewise.
5975 (reg_overlap_mentioned_p): Likewise.
5976 * haifa-sched.c (check_live_1): Likewise.
5977 (update_live_1): Likewise.
5978 (sched_analyze_1): Likewise.
5979 (sched_note_set): Likewise.
5980 (birthing_insn_p): Likewise.
5981 (attach_deaths): Likewise.
5983 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
5986 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
5988 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
5990 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5992 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
5994 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5996 * configure.in: Add check for GAS subsection -1 support.
5997 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
5998 * configure config.in: Rebuilt.
5999 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
6000 SImode is subsection -1 works, else use DImode.
6001 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
6002 subsection -1 works.
6003 * config/sparc/sparc.c (sparc_output_addr_vec,
6004 sparc_output_addr_diff_vec): Use them if defined.
6006 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
6008 * tree.h (DECL_ORIGIN): New macro.
6009 * integrate.c (copy_and_set_decl_abstract_origin): New function.
6010 (copy_decl_list): Use it.
6011 (integrate_parm_decls): Likewise.
6012 (integrate_decl_tree): Likewise.
6013 * dwarf2out.c (decl_ultimate_origin): Simplify.
6014 * dwarfout.c (decl_ultimate_origin): Likewise.
6015 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
6016 (pushdecl): Likewise.
6018 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
6020 * config/rs6000/rs6000.c (output_epilog): Add Java support.
6022 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
6024 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
6026 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
6028 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
6029 empty or has a single entry.
6031 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
6032 before calling reg_to_stack.
6034 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
6036 * alpha.c (alphaev5_insn_pipe): Abort on default case.
6037 (alphaev5_next_group): Swallow CLOBBERs and USEs.
6039 * c-tree.h (warn_long_long): Declare it.
6041 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
6043 * emit-rtl.c (gen_lowpart_common): Disable optimization of
6044 initialized float-int union if the value is a NaN.
6046 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
6048 * c-lex.c (real_yylex): Don't warn about long long constants if
6049 we're allowing long long
6051 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6053 * except.h (current_function_eh_stub_label): Declare.
6054 (current_function_eh_old_stub_label): Declare.
6055 * function.h (struct function): New members eh_stub_label and
6057 * except.c (current_function_eh_stub_label): New variable.
6058 (current_function_eh_old_stub_label): New variable.
6059 (init_eh_for_function): Clear them.
6060 (save_eh_status): Save them.
6061 (restore_eh_status): Restore them.
6062 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
6063 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
6064 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
6065 make an edge from the block that contains it to the block starting
6066 with the label if this label is one of the eh stub labels.
6067 If eh stub labels exist, show they are reachable from the last block
6070 * reload1.c (reload): Break out several subroutines and make some
6072 (calculate_needs_all_insns): New function, broken out of reload.
6073 (calculate_needs): Likewise.
6074 (find_reload_regs): Likewise.
6075 (find_group): Likewise.
6076 (find_tworeg_group): Likewise.
6077 (something_needs_reloads): New global variable, formerly in reload.
6078 (something_needs_elimination): Likewise.
6079 (caller_save_spill_class): Likewise.
6080 (caller_save_group_size): Likewise.
6081 (max_needs): Likewise.
6082 (group_size): Likewise.
6083 (max_groups): Likewise.
6084 (max_nongroups): Likewise.
6085 (group_mode): Likewise.
6086 (max_needs_insn): Likewise.
6087 (max_groups_insn): Likewise.
6088 (max_nongroups_insn): Likewise.
6089 (failure): Likewise.
6091 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
6093 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
6095 * loop.c (load_mems): Copy rtx for output mem.
6097 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
6099 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
6100 mips1 or mips2 either.
6102 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
6104 * pa.c (pa_reorg): New marking scheme for jumps inside switch
6106 (pa_adjust_insn_length): Update to work with new marking scheme
6107 for jumps inside switch tables.
6108 * pa.md (switch_jump): Remove pattern.
6109 (jump): Handle jumps inside jump tables.
6111 * Makefile.in (profile.o): Depend on insn-config.h
6113 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
6115 * iris6.h (DWARF2_UNWIND_INFO): Undef.
6117 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6119 Add preliminary native sparcv9 Solaris support.
6120 * configure.in: Recognize sparv9-*-solaris2*
6121 * configure: rebuilt
6122 * config.sub: Recognize sparcv9 just like sparc64.
6123 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
6124 config/sparc/sol2-cn.asm: Macroize so it can be shared between
6125 32-bit and 64-bit Solaris systems.
6126 * config/sparc/t-sol2: Assemble those with cpp.
6127 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
6128 (*TF*_LIBCALL): If ARCH64 use V9 names.
6129 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
6131 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6133 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
6134 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
6136 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
6138 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
6139 to Pmode if CASE_VECTOR_MODE is something else.
6141 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
6143 * prefix.c (update_path): Correctly handle cases where PATH is
6144 a substring of the builtin prefix, but specifies a different
6147 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
6149 * expr.c: Corrected comment about what MOVE_RATIO does.
6150 * config/alpha/alpha.h: Ditto.
6151 * config/1750a/1750a.h: Ditto.
6152 * config/clipper/clipper.h: Ditto.
6153 * config/i386/i386.h: Ditto.
6155 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
6157 * configure.in (m68k-next-nextstep3*): Use collect2.
6158 Similarly for x86 NeXT configurations.
6159 * configure: Rebuilt.
6161 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
6163 * configure.in: Don't assume srcdir is .../gcc
6164 * configure: Rebuilt.
6166 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
6168 * global.c: Update comments.
6169 (global_alloc): Assign allocation-numbers
6170 even for registers allocated by local_alloc in case
6171 they are later spilled and retry_global_alloc is called.
6172 (mark_reg_store, mark_reg_clobber,
6173 mark_reg_conflicts, mark_reg_death): Always record a
6174 conflict with a pseudo register even if it has been
6175 assigned to a hard register.
6176 (dump_conflicts): Don't list pseudo registers already assigned to
6177 a hard register as needing to be allocated, but do list their
6179 * local-alloc.c: Update comment.
6181 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
6183 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
6184 * configure: Rebuilt.
6186 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
6188 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
6190 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
6191 for all targets that set -msoft-float.
6193 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6195 * toplev.c (print_switch_values): Make static to match prototype.
6197 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
6199 * configure.in: If we are unable to find the "gnatbind" program,
6200 then do not configure the ada subdir.
6201 * configure: Rebuilt.
6203 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
6205 * version.c: Bump for snapshot.
6207 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
6209 * version.c: Bump for snapshot.
6211 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6213 * Makefile.in (toplev.o): Depend on $(EXPR_H).
6214 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
6216 * gansidecl.h: Define ATTRIBUTE_NORETURN.
6218 * genattrtab.c: Have insn-attrtab.c include toplev.h.
6220 * genextract.c: Have insn-extract.c include toplev.h.
6222 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
6224 * toplev.c: Include expr.h.
6225 (really_sorry, fancy_abort): Remove prototypes.
6226 (set_target_switch): Add argument in prototype.
6227 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
6228 (v_really_sorry): Likewise.
6229 (print_version, print_single_switch, print_switch_values): Make
6230 static and add prototype arguments.
6231 (decl_printable_name): Add prototype arguments.
6232 (lang_expand_expr_t): New typedef.
6233 (lang_expand_expr): Declare as a lang_expand_expr_t.
6234 (incomplete_decl_finalize_hook): Add prototype argument.
6235 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
6236 (botch): Likewise for variable `s'.
6237 (rest_of_type_compilation): Mark variables `type' and `toplev'
6238 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
6239 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
6240 (display_help): Make variable `i' an `unsigned long'.
6241 (main): Remove unused parameter `envp'.
6242 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
6243 Cast -1 when comparing it with a `size_t'.
6245 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
6246 prototype with ATTRIBUTE_NORETURN.
6247 (fatal_insn_not_found, fatal_insn, really_sorry,
6248 push_float_handler, pop_float_handler): Add prototypes.
6249 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
6250 (do_abort, botch): Add prototypes.
6252 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
6254 * final.c (final): If a label is reached only from a single jump,
6255 call NOTICE_UPDATE_CC on the jump and its predecessor before
6256 emitting the insn after the label.
6258 * i386.h: Add AMD K6 support.
6259 Change TARGET_* macros to use table lookup.
6260 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
6261 (ADJUST_COST): Change definition to call function in i386.c.
6262 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
6263 * i386.c: Add AMD K6 support.
6264 Add constants for feature tests used by TARGET_* macros.
6265 (split_di): If before reload, call gen_lowpart and gen_highpart.
6266 (x86_adjust_cost): New function.
6267 (put_jump_code): New function.
6268 (print_operand): New codes 'D' and 'd'.
6269 * i386.md: New insn types. New insn attribute "memory".
6270 Redefine scheduling parameters to use new types and add AMD K6
6271 support. Explicitly set type of most insns.
6272 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
6273 Pro and K6 prefer movl $1,reg to incl reg.
6274 (adddi3, subdi3): Set cc_status.
6275 (DImode shift patterns): Change label counters from HOST_WIDE_INT
6276 to int; x86 can't have more than 2^31 DImode shifts per file.
6277 (setcc): Combine all setcc patterns. Allow writing memory.
6278 Combine all jump patterns using match_operator.
6279 (*bzero): Name pattern. Emit mutliple stos instructions when that
6280 is faster than rep stos.
6281 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
6284 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
6286 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
6289 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
6291 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
6292 not whatever we're generating now.
6294 * alpha.c (set_frame_related_p, FRP): New.
6295 (alpha_expand_prologue): Mark frame related insns.
6296 (alpha_expand_epilogue): Likewise, but with a null FRP.
6297 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
6298 * alpha.md (exception_receiver): New.
6299 * alpha/crtbegin.asm (.eh_frame): New beginning.
6300 (__do_frame_setup, __do_frame_takedown): New.
6301 * alpha/crtend.asm (.eh_frame): New ending.
6302 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
6303 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
6304 (ASM_FILE_START): Don't emit .file for dwarf2.
6306 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
6307 * rtl.c (reg_note_name): Likewise.
6308 * rtl.texi (REG_NOTES): Likewise.
6309 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
6312 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
6314 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
6315 * i386.md (movsf, movdf, movxf): Validate memory address returned
6316 from force_const_mem. Kill useless REG_EQUAL setting code.
6318 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
6320 * m68k.md (zero_extendsidi2): Fix typo.
6322 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
6324 * configure.in: Removed references to the removed file
6325 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
6326 * arm*-*-netbsd* and ns32k-*-netbsd*.
6327 * config/i386/xm-netbsd.h: Removed unnecessary file.
6328 * config/m68k/xm-netbsd.h: Likewise.
6329 * config/sparc/xm-netbsd.h: Likewise.
6330 * config/mips/xm-netbsd.h: Likewise.
6332 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
6334 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
6335 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
6337 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
6338 for exact section attributions.
6340 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
6342 * i386/crtdll.h (CPP_PREDEFINES): Define.
6344 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
6346 * m68k.md (5200 movqi): Do not allow byte sized memory references
6348 * m68k.c (output_move_qimode): Do not use byte sized operations on
6351 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
6352 explicit rules for building. Similarly for alloca, vfprintf,
6353 choose-temp and mkstemp, getopt, getopt1, and obstack.
6354 (INCLUDES): Add $(srcdir)/../include.
6355 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
6356 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
6358 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
6360 * gcc.c (do_spec_1): [case 'o'] Account for
6361 lang_specific_extra_outfiles.
6362 (main): Correctly clear all slots in outfiles for
6363 lang_specific_extra_outfiles. Set input_file_number before
6364 calling lang_specific_pre_link.
6366 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
6368 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
6370 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6372 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
6374 (sparc_output_deferred_case_vectors): If no work to do, return.
6375 Fix thinko in Sept 1 change.
6377 1998-09-03 SL Baur <steve@altair.xemacs.org>
6379 * Makefile.in: add semicolon in BISON definition for portability.
6381 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6383 * config/nextstep.c (handle_pragma): Correct name of third
6386 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
6388 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
6389 * config/m32r/m32r.h: Make register 17 be fixed.
6390 * config/m32r/m32r.c: Use SImode for cc operations.
6392 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
6394 * invoke.texi (Warning Options): Add -Wnon-template-friend
6397 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
6399 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
6401 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
6403 * rs6000.md (movsf): Disable explicit secondary-reload-like
6404 functionality if TARGET_POWERPC64.
6405 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
6408 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
6410 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
6411 and term.h from fixinc.wrap.
6413 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6415 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
6416 safe to include both string.h and strings.h together.
6417 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
6418 which headers to search for function declarations. Continue to
6419 prefer string.h over strings.h when both are not acceptable.
6421 * acconfig.h (STRING_WITH_STRINGS): Add stub.
6423 * configure.in: Call GCC_HEADER_STRING.
6425 * system.h: Test STRING_WITH_STRINGS when deciding which headers
6426 to include. Continue to prefer string.h over strings.h when both
6429 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6431 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
6432 not assume top 32-bits of symbolic addresses are zero if
6435 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
6437 * ginclude/va-alpha.h: Protect entire second portion of the
6438 file against double inclusion.
6440 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
6442 Added support for the Boehm's garbage collector.
6443 * configure.in: Handle --enable-objc-gc.
6444 * configure: Rebuilt.
6445 * Makefile.in (CHECK_TARGETS): Add check-objc.
6446 (check-objc): New rule.
6447 * objc/Make-lang.in: Build a different Objective-C library that
6448 runs with the Boehm's collector.
6449 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6450 * objc/encoding.c: Correctly compute the size of compound types in
6451 the presence of bitfields. Skip the variable name of the type if
6452 any. Added support for long long.
6453 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
6454 (_F_GCINVISIBLE): New mask.
6455 * objc/gc.c: New file. Compute the type memory mask associated with
6456 a class based on the runtime information.
6457 * objc/misc.c: Added the hooks that use the Boehm's collector
6458 allocation functions.
6459 * objc/objc-act.c (build_class_template): Generate a new class
6460 member (gc_object_type) to hold the class' type memory mask.
6461 (build_shared_structure_initializer): Initialize the new member to
6463 (encode_complete_bitfield): New function. Generate the new
6465 (encode_field_decl): Generate the new encoding only for the GNU
6467 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
6469 (class_get_gc_object_type): New function to mark a pointer instance
6470 variable as a weak pointer.
6471 * objc/objc-features.texi: New file.
6472 * objc/objc.h (gc_object_type): New class member.
6473 * objc/objects.c (class_create_instance): Create a typed memory
6474 object when compiled with Boehm's collector support.
6475 * objc/sendmsg.c (__objc_init_install_dtable): Call
6476 __objc_send_initialize instead of setting the initialize flag.
6477 (__objc_send_initialize): Call __objc_generate_gc_type_description
6478 to generate the class type memory mask. Rewrite the code that
6479 sends the +initialize so that it is called only once (bug report
6480 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
6481 * testsuite/objc: New testsuite for Objective-C type encoding.
6482 * testsuite/lib/objc-torture.exp: New file.
6483 * testsuite/lib/objc.exp: New file.
6485 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
6487 * jump.c (jump_optimize): In if/then/else transformations, add
6488 another call to modified_between_p for the jump insn.
6490 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
6492 * fix-header.c (symlink): Treat like readlink.
6494 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6496 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
6499 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
6501 * config/nextstep.h: Update HANDLE_PRAGMA macro.
6502 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
6503 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
6505 * config/nextstep.c (handle_pragma): Take three arguments, as per
6506 the new HANDLE_PRAGMA macro specification.
6507 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
6508 per the new HANDLE_PRAGMA macro specification.
6509 * config/i960/i960.c (process_pragma): Take three arguments, as
6510 per the new HANDLE_PRAGMA macro specification.
6512 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
6514 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
6515 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
6516 if unknown pragmas are encountered.
6517 (handle_sysv_pragma): Interpret return code from
6518 handle_pragma_token (). Return success/failure indication rather
6519 than next unprocessed character.
6520 (pragma_getc): New function: retrieves characters from the
6521 input stream. Defined when HANDLE_PRAGMA is enabled.
6522 (pragma_ungetc): New function: replaces characters back into the
6523 input stream. Defined when HANDLE_PRAGMA is enabled.
6525 * c-pragma.c (handle_pragma_token): Return success/failure status
6528 * c-pragma.h: Change prototype of handle_pragma_token().
6530 * varasm.c: (handle_pragma_weak): Only create this function if
6531 HANDLE_PRAGMA_WEAK is defined.
6533 * c-common,c (decl_attributes): If defined call the expression
6534 contained within the INSERT_ATTRIBUTES macro before adding
6535 attributes to a decl.
6537 * tm.texi (HANDLE_PRAGMA): Document the new verion of
6538 HANDLE_PRAGMA, which takes three arguments.
6539 (INSERT_ATTRIBUTES): Document this new macro.
6541 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
6542 new INSERT_ATTRIBUTES macro.
6544 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6546 * config/sparc/sparc.md (movdf): Only generate special RTL for
6547 LABEL_REFs when PIC.
6548 (move_label_di): Remove
6549 (movdi_pic_label_ref, movdi_high_pic_label_ref,
6550 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
6551 references when PIC.
6552 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
6553 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
6554 output an .xword for all 64-bit cases.
6556 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6558 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
6559 alignment, use FUNCTION_BOUNDARY instead.
6560 (sparc_output_deferred_case_vectors): Likewise.
6562 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6564 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
6565 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
6567 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
6569 * alpha/va_list.h: New file.
6570 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
6572 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
6574 * NEWS: Add SCO Openserver and Unixware 7 notes.
6578 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
6580 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
6581 (record_constant_1): Handle RANGE_EXPR.
6583 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
6585 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
6586 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
6587 and NOTE_INSN_RANGE_END specially.
6588 (reemit_notes): Likewise.
6590 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6592 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
6593 (ultrasparc_sched_init): Remove unneeded &.
6595 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6597 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
6598 for m68020-60, to prevent the use of fintrz.
6600 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
6602 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
6604 * Makefile.in: Likewise.
6605 * configure: Regenerated.
6607 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
6609 * configure.in (gxx_include_dir): Changed to
6610 '${prefix}/include/g++'-${libstdcxx_interface}.
6611 * configure: Rebuilt.
6613 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
6615 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
6617 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
6618 *sequences* *below* which scalar moves will be used.
6620 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
6622 * collect2.c (mktemp): Delete unused declaration.
6624 * config/xm-netbsd.h: Remove unnecessary file.
6625 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
6626 file anymore, it is not needed.
6628 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
6630 * convert.c (convert_to_integer): Issue an error on conversions to
6633 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
6635 * Makefile.in: Add lang_tree_files and gencheck.h.
6636 * configure.in: Generate them.
6637 * gencheck.c: Include gencheck.h.
6639 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6641 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
6642 movdi_lo_sum_pic and movdi_high_pic and make visible.
6643 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
6644 emit these when Pmode is not SImode.
6645 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
6647 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
6649 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
6650 .linkonce directive after the first time.
6652 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
6654 * m68k.md (beq0_di): Generate correct (and more efficient) code when
6655 the clobbered operand overlaps with an input.
6656 (bne0_di): Similarly.
6658 * Makefile.in (INSTALL): Remove "--no-header" argument.
6660 * NEWS: Various updates.
6662 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6664 * config/sparc/sparc.c (arith_operand, const64_operand,
6665 const64_high_operand, arith_double_4096_operand): Mark mode as
6667 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
6669 (sparc_emit_set_const64): Remove unused variable i.
6670 (sparc_splitdi_legitimate): Likewise for addr_part.
6671 (ultra_code_from_mask): Likewise for mask.
6672 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
6673 reverse return values so it matches usage and comments.
6674 (ultra_flush_pipeline): Likewise.
6675 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
6676 this_type, and allow loads and stores of differing FP modes as
6677 they do not create a conflict.
6678 (ultra_find_type): Initialize fpmode to SFmode, fix
6679 parenthesization thinkos in large conditional.
6680 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
6681 Init free_slot_mask after ultra_cur_hist is reset, not before.
6682 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
6683 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
6684 use ultra_flush_pipeline instead, then re-init group pointer.
6685 Fix statement with no effect. If no progress made in, and no
6686 instructions scheduled at all, advance to new pipeline cycle else
6687 we get into an endless loop.
6688 (ultrasparc_adjust_cost): Remove previous arg.
6689 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
6691 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
6693 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
6694 code. Use reg_overlap_mentioned_p to detect when source and
6695 destination overlap.
6696 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
6698 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
6700 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
6701 COMPARISON_VAL, into invariant_p.
6703 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6705 * regmove.c (regclass_compatible_p): New function.
6706 (regmove_optimize): Use it.
6708 Use NREGS parameter insted of calling max_reg_num.
6710 (fixup_match_1): Don't use code = MINUS when later tieing with
6711 a hard register is likely.
6713 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6715 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
6716 COMPARISON_VAL was normalized.
6718 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
6720 * loop.c (check_dbra_loop): The loop ending comparison value
6721 must be an invariant or we can not reverse the loop.
6723 * loop.c (scan_loop): Count down from max_reg_num - 1 to
6724 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
6726 (load_mems_and_recount_loop_regs_set): Likewise.
6728 * i386.c (print_operand): Remove obsolete 'c' docs.
6730 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
6732 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
6733 * frame.c (init_object_mutex): New function.
6734 (init_object_mutex_once): Likewise.
6735 (find_fde): Call it.
6736 (__register_frame_info): Likewise.
6737 (__register_frame_info_table): Likewise.
6738 (__deregister_frame_info): Likewise.
6740 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
6742 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
6744 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6746 * loop.c (check_dbra_loop): Enable code for reversal
6747 of some loops without a known constant loop end.
6749 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
6751 * haifa-sched.c (last_clock_var): New.
6752 (schedule_block): Initialize it.
6753 (schedule_insn): Use it to fill insn modes with issue information.
6755 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
6756 Tag trapb and next insn with TImode.
6757 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
6758 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
6759 Invoke alphaev5_align_insns as appropriate.
6760 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
6761 (MD_SCHED_VARIABLE_ISSUE): New.
6762 * alpha.md (attr type): Add multi.
6763 (define_asm_attributes): New.
6764 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
6765 (arg_home): Likewise.
6766 (fnop, unop, realign): New.
6768 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
6770 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
6771 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
6773 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
6774 (rs6000-ibm-aix4.[12]*): Likewise.
6775 * configure: Regnerate.
6777 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
6779 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
6780 already contains the return address.
6782 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
6784 * calls.c (expand_call): Use bitfield instructions to extract/deposit
6785 word sized hunks when loading unaligned args into registers.
6787 * haifa-sched.c (sched_analyze_insn): Only create scheduling
6788 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
6790 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
6792 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6794 * loop.c (check_dbra_loop): Add some code that would allow reversal
6795 of some loops without a known constant loop end if it were enabled.
6797 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
6799 * mips.md (lshrsi3_internal2+2): Fix type-o.
6801 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6803 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
6804 correctly with regards to stdio.h.
6806 * calls.c: Remove stdarg.h/varargs.h.
6809 * combine.c: Likewise.
6810 * cpperror.c: Likewise.
6811 * cpplib.c: Likewise.
6812 * cpplib.h: Likewise.
6813 * doprint.c: Likewise.
6814 * emit-rtl.c: Likewise.
6815 * final.c: Likewise.
6816 * fix-header.c: Likewise.
6818 * genattr.c: Likewise.
6819 * genattrtab.c: Likewise.
6820 * gencodes.c: Likewise.
6821 * genconfig.c: Likewise.
6822 * genemit.c: Likewise.
6823 * genextract.c: Likewise.
6824 * genflags.c: Likewise.
6825 * genopinit.c: Likewise.
6826 * genoutput.c: Likewise.
6827 * genpeep.c: Likewise.
6828 * genrecog.c: Likewise.
6829 * mips-tfile.c: Likewise.
6830 * prefix.c: Likewise.
6831 * protoize.c: Likewise.
6832 * regmove.c: Likewise.
6833 * toplev.c: Likewise.
6836 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6838 * config/sparc/sparc.c (sparc_override_options): If not
6839 TARGET_FPU, turn off TARGET_VIS.
6840 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
6841 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
6842 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
6843 (movdi_insn_sp64): Add VIS fzero alternative.
6844 (clear_sf, clear_df): New VIS patterns.
6845 (movsf, movdf expanders): Allow fp_zero_operand flat out when
6847 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
6849 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
6851 * loop.c (n_times_set, n_times_used, may_not_optimize,
6852 reg_single_usage): Convert to varrays. All uses changed.
6853 (insert_loop_mem): Return a value.
6854 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
6855 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
6858 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
6861 * configure.in: Do not set thread_file to "irix" since no such
6864 * sparc.md (float abs/neg splits): Check reload_completed before
6865 calling alter_subreg.
6867 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6869 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
6871 * config/sparc/sparc.h: Declare it.
6872 * config/sparc/sparc.md (float abs/neg splits): Use it.
6873 (all other splits): Handle SUBREGs properly where necessary.
6874 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
6876 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
6878 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
6879 an insn on the unfilled_slots_list that has no delay slots.
6880 (fill_eager_delay_slots): Similarly.
6882 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
6884 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
6885 as an ordinary operand.
6887 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
6889 * tree.c (valid_machine_attribute): Don't apply attributes to both
6892 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
6894 * reload.c (operands_match_p): Handle rtvecs.
6896 * i386.c (legitimate_pic_address_disp_p): New.
6897 (legitimate_address_p): Use it.
6898 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
6899 Handle constant pool symbols just like statics.
6900 (emit_pic_move): Use Pmode not SImode for clarity.
6901 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
6902 [UNSPEC]: New, handling what we killed above.
6903 [PLUS]: Detect and abort on invalid symbol arithmetic.
6904 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
6906 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
6908 * alias.c: Include output.h.
6909 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
6910 different if we're in a varargs function.
6911 * Makefile.in (alias.o): Depend on output.h
6913 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6915 * sh.h (GIV_SORT_CRITERION): Delete.
6917 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
6919 * regclass.c (regclass): Use xmalloc/free instead of alloca.
6920 * stupid.c (stupid_life_analysis): Ditto.
6921 * reload1.c (reload): Ditto.
6923 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6925 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
6926 arith_double_4096_operand, arith_double_add_operand): New
6928 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
6929 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
6930 them to transform add/sub 4096 into add/sub -4096.
6932 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6934 * loop.c (scan_loop): Allocate some slop to handle pseudos
6935 generated by move_movables.
6936 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
6939 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
6941 * tree.def (DECL_RESULT): Correct documentation.
6943 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6945 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
6946 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
6947 conflicts will all RELOAD_FOR_OUTPUT reloads.
6949 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
6950 loads the function result, substitute with a USE.
6952 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6954 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
6955 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
6956 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
6957 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
6958 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
6959 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
6961 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
6962 'o' to 'm' for GPR variant constraints.
6964 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
6966 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
6968 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
6970 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
6971 when the source and destination overlap.
6973 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
6974 clash with global type.
6976 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
6978 * fixinc.irix: Add curses.h handling from fixinc.wrap.
6980 * c-common.c (combine_strings): Also set TREE_READONLY.
6981 Change warn_write_strings to flag_const_strings.
6982 * c-decl.c, c-tree.h: Likewise.
6984 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6986 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
6987 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
6988 sequence, use SET/IOR instead so CSE can see it.
6989 * config/sparc/sparc.md (movhi_const64_special,
6990 movsi_const64_special): New patterns necessitated by that change.
6991 (movhi_high): Remove.
6992 (movhi_lo_sum): Change to match an IOR.
6993 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
6994 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
6995 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
6996 (movdf splits): Allow when not V9 or when not ARCH64 and integer
6997 registers are involved.
6998 (snesi_zero_extend split): Remove reload_completed test.
6999 (unnamed plus and minus zero_extend sidi splits): Add it.
7001 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
7003 * extend.texi: Remove description of extension to explicit
7004 instantiation that is now endorsed by standard C++.
7006 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7008 * config/arc/arc.c (arc_initialize_pic): Remove.
7009 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
7010 nothing on any platform and is invoked by no-one, it does not even
7011 appear in the documentation.
7012 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
7013 * config/sparc/sparc.c (initialize_pic): Likewise.
7014 (find_addr_reg): Remove this as well, no longer referenced after
7017 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
7019 * recog.c (validate_replace_rtx_group): New function.
7020 * recog.h (validate_replace_rtx_group): Declare it.
7021 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
7022 the entire group of substitutions.
7024 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
7026 * loop.c (load_mems): Fix initializers.
7028 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7030 * config/sparc/sparc.md (TFmode splits): Handle destination
7031 registers being referenced in the address correctly.
7033 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
7034 TREE_UNSIGNED, when bitsize of type's mode is larger than
7035 HOST_BITS_PER_WIDE_INT.
7037 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7039 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
7040 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
7041 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
7043 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
7046 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
7048 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
7049 * h8300.h (TINY_DATA_NAME_P): Likewise.
7050 (STRIP_NAME_ENCODING): Handle '&'.
7052 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
7053 register (it could be accessed via an outer SUBREG).
7054 (REG_OK_FOR_BASE_P): Likewwise.
7055 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
7057 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
7060 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
7062 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7064 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
7065 must be offsettable so the splits can be made.
7067 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
7069 * config/i386/winnt.c: Include system.h, not stdio.h to get
7070 sys/param.h pulled in before rtl.h in case the system defines MIN
7073 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
7075 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
7077 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
7079 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
7081 * cpplib.c (cpp_define): Handle macros with parameters.
7083 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7085 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
7086 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
7087 and DImode 64-bit. Use llong for minimal-toc SFmode and
7088 SYMBOL_REF / LABEL_REF 64-bit.
7089 (output_function_profiler): Use llong for profiler label and ld to
7090 load 64-bit label address.
7092 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
7094 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
7097 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
7099 * version.c: Bump for snapshot.
7101 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
7103 * version.c: Bump for snapshot.
7105 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
7107 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
7109 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
7111 * tm.texi (Misc): Fix typo "teh".
7113 * tm.texi (PIC): Fix typo "PPIC".
7115 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
7116 effect when -O2 and higher.
7117 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
7119 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
7121 * regclass.c: Changed register set documentation to be consistent
7124 * final.c (final_start_function) Removed redundant test for
7127 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
7129 * rtl.h (rtx_function): New type.
7130 (for_each_rtx): New function.
7131 * rtlanal.c (for_each_rtx): Define it.
7133 * recog.c (change_t): New type.
7134 (change_objects, change_old_codes, change_locs, change_olds):
7136 (changes): New variable.
7137 (validate_change): Dynamically allocate room for more changes, if
7138 necessary. Uses changes array instead of change_objects, etc.
7139 (apply_change_group): Use changes array instead of
7140 change_objects, etc.
7142 * loop.c (loop_mem_info): New type.
7143 (loop_mems): New variable.
7144 (loop_mems_idx): Likewise.
7145 (looop_mems_allocated): Likewise.
7146 (scan_loop): Remove nregs parameter.
7147 (next_insn_in_loop): New function.
7148 (load_mems_and_recount_loop_regs_set): Likewise.
7149 (load_mems): Likewise.
7150 (insert_loop_mem): Likewise.
7151 (replace_loop_mem): Likewise.
7152 (replace_label): Likewise.
7153 (INSN_IN_RANGE_P): New macro.
7154 (loop_optimize): Don't pass max_reg_num() to scan_loop.
7155 (scan_loop): Remove nregs parameter, compute it after any new
7156 registers are created by load_mems. Use INSN_IN_RANGE_P and
7157 next_insn_in_loop rather than expanding them inline. Call
7158 load_mems to load memory into pseudos, if appropriate.
7159 (prescan_loop): Figure out whether or not there are jumps from the
7160 loop to targets other than the label immediately following the
7161 loop. Call insert_loop_mem to notice all the MEMs used in the
7162 loop, if it could be safe to pull MEMs into REGs for the duration
7164 (strength_reduce): Use next_insn_in_loop. Tweak comments.
7166 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
7168 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
7170 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7172 * config/sparc/sparc.c (finalize_pic): Check for the correct
7173 nonlocal_goto_receiver UNSPEC number.
7174 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
7175 making note of this dependency existing in sparc.c
7176 (negtf2_notv9 split): Give NEG SFmode.
7177 (negsf2): Fix insn output string.
7179 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
7181 * c-common.c (decl_attributes): Issue an error if the argument
7182 to alias is not a string.
7184 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
7186 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
7187 pending memory flush list.
7189 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
7191 (try_combine): Allow combining insns with REG_LIBCALL notes.
7193 * expr.c (emit_block_move): Do not call memcpy as a libcall
7194 instead build up a CALL_EXPR and call it like any other
7196 (clear_storage): Similarly for memset.
7198 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
7201 * Makefile.in (cplus-dem.o): Provide explicit rules for building
7204 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
7205 and REG_LIVE_LENGTH as successful substitutions are made.
7207 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7209 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
7210 statement after end of loop label.
7212 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7214 * config/sparc/sparc.c (ultra_types_avail): New variable.
7215 (ultra_build_types_avail): New function to record mask of insn
7216 types in ready list at this cycle.
7217 (ultrasparc_sched_reorder): Call it.
7218 (ultra_find_type): Use it to quicken the search. Also simplif
7219 dependency check, don't use rtx_equal_p because we know exactly
7220 what we are looking for.
7222 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
7224 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
7225 for architecture v4.
7227 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7229 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
7231 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
7232 movdf_const_intreg and helper splits): New patterns to move float
7233 constants into integer registers.
7234 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
7237 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
7240 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
7242 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
7244 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
7245 a BASE_REGS register is needed as an intermediate when copying
7246 a symbolic value into any register class other than BASE_REGS.
7248 * expr.c (move_by_pieces): No longer static. Remove prototype.
7249 * rtl.h (move_by_pieces): Add extern prototype.
7250 * mips.c (expand_block_move): Handle aligned straight line copy by
7251 calling move_by_pieces.
7253 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
7256 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
7258 * stmt.c (expand_end_loop): Tidy. Allow unconditional
7259 jumps out of the loop to be treated as part of the exit test.
7261 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7262 Jeff Law <law@cygnus.com>
7264 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
7265 * cplus-dem.c: Delete.
7267 * Makefile.in (fold-const.o): depend on $(RTL_H).
7269 * fold-const.c: Include rtl.h to get the prototype for
7270 `set_identifier_local_value'.
7272 * loop.c (express_from_1): Remove unused variable `tmp'.
7273 (combine_givs): cast the first argument of bzero to char *.
7275 * toplev.c (display_help): Remove unused variable `looking_for_start'.
7277 * c-decl.c (init_decl_processing): Remove unneeded &.
7279 * alpha.h (alpha_initialize_trampoline): Provide prototype.
7281 * except.c (set_exception_lang_code, set_exception_version_code):
7282 Change parameter from `short' to `int' to avoid using a gcc
7285 * except.h (set_exception_lang_code, set_exception_version_code):
7286 Likewise for prototypes.
7288 * flow.c (count_reg_references): Remove unused variables `regno'
7291 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
7293 * prefix.c (translate_name): Cast the result of `alloca'.
7295 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
7297 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7299 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
7301 (valid_dbcc_comparison_p): Mark mode argument as unused.
7302 (symbolic_operand): Likewise.
7303 (legitimize_pic_address): Likewise.
7304 (const_uint32_operand): Likewise.
7305 (const_sint32_operand): Likewise.
7306 * sched.c [!INSN_SCHEDULING]: Define only dummy function
7307 schedule_insns and comment out rest of file.
7309 * m68k.c (output_move_simode_const): Use subl to move a zero into an
7311 (output_move_[hq]imode): Likewise.
7313 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
7315 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
7316 * invoke.texi: Corresponding changes.
7318 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
7320 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
7322 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7324 * config/sparc/sparc.c (ultra_code_from_mask,
7325 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7326 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
7327 ultrasparc_sched_init, ultrasparc_variable_issue,
7328 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
7329 functions to describe UltraSPARC pipeline exactly to Haifa.
7330 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
7331 as there is nothing the scheduler can do about it. Indicate that
7332 REG_DEP_OUTPUT's collide. Fixup formatting.
7333 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
7334 divide costs on Ultra for DImode.
7335 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
7337 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
7338 ieuN and add call_no_delay_slot to type list.
7339 (cti function unit): New unit for branches on UltraSPARC.
7340 (subx/addx insns): Set type to misc.
7341 (sidi zero/sign extension insns on arch64): Set type to shift.
7342 (sign_extendhidi2_insn): Set type to sload.
7344 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
7346 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
7347 (output_epilog): Use if != 0 for offset.
7348 (rs6000_fatal_bad_address): Prepare for Intl.
7349 * rs6000.h (rs6000_fatal_bad_address): Declare.
7350 * rs6000.md (movsfcc, movdfcc): Use else if.
7351 (elf_high): Use {liu|lis}.
7352 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
7353 (movsi): Use rs6000_fatal_bad_address.
7355 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
7357 * reload.c (find_equiv_reg): Reject equivalences separated
7358 by a volatile instruction.
7360 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7362 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
7364 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
7366 * alpha.md (movsicc): Fix mode mismatch.
7368 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
7370 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
7372 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
7374 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7376 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
7377 write-only modifier from operand 1 constraint.
7379 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7381 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
7382 emitting a XOR of -1 at the end, emit a NOT instead for combine's
7384 (sparc_emit_set_const64): Likewise, also when computing trailing
7385 bits do not negate low_bits and make fast_int an int.
7387 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
7389 * loop.c (add_label_notes): Do not ignore references to labels
7390 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
7391 * gcse.c (add_label_notes): Similarly.
7393 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
7395 * m68k.md (adddi_dilshr32): One of the operands must be a register.
7396 (adddi_dishl32): Similarly.
7398 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
7400 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
7401 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
7402 * cse.c (cse_basic_block): Add parens to shut up warnings.
7404 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7406 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
7407 sparc_emit_set_const64_longway, const64_is_2insns,
7408 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
7409 in 64-bit constant formation.
7410 * config/sparc/sparc.md (snesi_zero_extend split): Generate
7411 rtl for addx not subx.
7412 (define_insn movdi_const64_special): Make available even when
7413 HOST_BITS_PER_WIDE_INT is not 64.
7414 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
7415 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
7416 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
7417 instances of operand 1 inside a QI subreg.
7418 (xordi3_sp64_dbl): Remove '%' constraint for op1.
7419 (one_cmpldi2_sp64): Fix output string.
7420 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
7422 (unnamed arch64 ashift DI): Truncate shift count if greater than
7425 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7427 * expr.c (store_expr): Don't optimize away load-store pair
7428 when either source or destination have a side effect.
7430 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
7432 * genrecog.c (add_to_sequence): Fatal error if the modes of the
7433 operands of SET are incompatible.
7435 * alpha.md: Fix max and min patterns so modes of SET operands match.
7437 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
7439 * configure.in: Avoid [[ by using test and changequote.
7440 * configure: Rebuild.
7442 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7444 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7446 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7447 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7448 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7449 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7450 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7451 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
7452 Fix mismatching modes in SET operands.
7453 (conditional move patterns): Fix formatting.
7454 (unnamed subx arch64 pattern): Remove duplicate insn.
7456 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7458 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7459 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
7460 (input_operand): Fixup test for what we accept for constant
7462 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
7464 (safe_constDI): Remove.
7465 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7466 gen_safe_XOR64): New functions.
7467 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
7468 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
7470 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
7471 available when HOST_BITS_PER_WIDE_INT is not 64.
7472 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
7473 move before movdi_insn_sp64 pattern.
7474 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
7475 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
7476 symbolic_operand as predicate for second operand.
7477 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
7478 expander): Give set VOIDmode.
7480 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
7482 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
7484 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
7486 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
7488 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
7490 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
7492 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
7494 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
7496 * install.texi: Various SCO OpenServer tweaks.
7498 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
7500 * reload1.c (eliminate_regs_in_insn): Handle another case when
7501 eliminating the frame pointer to the hard frame pointer. Add
7502 missing ep->to_rtx check to one existing case.
7504 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
7506 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7508 * tree.h: De-conditionalize init_priority code.
7510 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
7511 * collect2.c (NM_FLAGS): Change from -p to -n.
7513 * configure.in: Turn on collect2 for mipstx39-elf.
7514 Handle use_collect2=no properly.
7516 * c-common.c: De-conditionalize init_priority code.
7517 * collect2.c (extract_init_priority, sort_ids): New fns.
7518 (main): Call sort_ids.
7519 Move sequence_number to file scope.
7521 * configure.in: Handle --enable-init-priority.
7522 * c-common.c (attrs): Add A_INIT_PRIORITY.
7523 (init_attributes, decl_attributes): Likewise.
7524 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
7525 * tree.c (get_file_function_name_long): Split out...
7526 (get_file_function_name): ...from here.
7528 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
7530 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
7533 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
7535 * toplev.c (display_help): Add braces to shut up warnings.
7536 * tree.c (simple_cst_equal): Likewise.
7538 * fold-const.c (non_lvalue): Don't deal with null pointer
7540 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7542 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
7543 of any size to a pointer.
7545 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
7547 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
7549 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
7551 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
7552 which will be saved.
7553 * mn10300.md (prologue insn): Only save registers which need saving.
7554 (epilogue insn): Similarly.
7556 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
7559 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
7561 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
7562 VAR_DECL's in gp addressable sections.
7564 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
7566 * sparc.c: Change return <exp> to <exp>; return; in functions
7568 * sparc.md: Add empty semicolon statement after final label in
7571 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7573 * config/sparc/sparc.md (define_insn addx_extend): Rename to
7574 addx_extend_sp64, only allow when TARGET_ARCH64.
7575 (define_insn addx_extend_sp32 and split): Version that works when
7577 (define_insn subx_extend): Likewise.
7578 (define_split adddi3 and subdi3 with zero extension): Fixup and
7579 correct bugs when not TARGET_ARCH64.
7581 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
7583 * except.c (set_exception_lang_code, set_exception_version_code):
7584 Use prototype-style definition if __STDC__, to match declaration
7587 * genemit.c: Change FAIL and DONE macros not to use loops.
7589 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
7591 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
7592 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
7594 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
7596 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
7598 * README.g77: Update from Craig.
7600 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7602 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
7604 (safe_constDI sparc_emit_set_const64_quick1,
7605 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7606 analyze_64bit_constant, const64_is_2insns,
7607 create_simple_focus_bits): Fix some bugs when compiled on real
7609 (function_arg_record_value_3, function_arg_record_value_2,
7610 function_arg_record_value): Add fully prototyped forward decls.
7611 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
7612 to cmpsi_insn and use on both 64 and 32 bit targets.
7613 (define_insn cmpsi_insn_sp64): Remove.
7614 (define_expand zero_extendsidi2): Allow for 32-bit target too.
7615 (define_insn zero_extendsidi2_insn): Rename to
7616 zero_extendsidi2_insn_sp64.
7617 (define_insn zero_extendsidi2_insn_sp32): New pattern and
7618 assosciated forced split for it.
7620 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7622 * config/sparc/sparc.h: Declare them.
7623 (PREDICATE_CODES): Add them.
7624 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
7625 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
7627 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
7629 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
7630 in v9 case as the latter makes the Solaris assembler crash.
7632 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7634 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
7635 for TFmode when !v9. We require offsettable memory addresses.
7636 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
7637 DFmode register number conversions.
7638 * config/sparc/sparc.md (define_split DFmode moves): If register
7639 is a SUBREG do alter_subreg on it before using.
7640 (define_expand movtf): Fixup comment about alignment on v9.
7641 (define_split TFmode moves): Don't use gen_{high,low}part, create
7642 explicit SUBREGs instead.
7644 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
7646 * Makefile.in (mbchar.o): Depend on mbchar.c.
7648 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7649 Richard Henderson <rth@cygnus.com>
7651 Rewrite Sparc backend for better code generation and
7652 improved sparc64 support.
7653 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
7655 * config/sparc/sysv4.h: Likewise.
7656 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
7657 move_operand, v8plus_regcmp_op, emit_move_sequence,
7658 singlemove_string, doublemove_string, mem_aligned_8,
7659 output_move_double, output_move_quad, output_fp_move_double,
7660 move_quad_direction, output_fp_move_quad, output_scc_insn):
7662 (small_int_or_double): New predicate.
7663 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
7664 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
7665 old pic_{sethi,lo_sum}_si patterns.
7666 (mem_min_alignment): New generic function to replace
7667 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
7668 available and can test for arbitrary alignments. All callers
7670 (save_regs, restore_regs, build_big_number,
7671 output_function_prologue, output_cbranch, output_return,
7672 sparc_flat_save_restore, sparc_flat_output_function_prologue,
7673 sparc_flat_output_function_epilogue): Prettify
7675 (output_function_epilogue): Likewise and add code to output
7676 deferred case vectors.
7677 (output_v9branch): Likewise, add new arg INSN and use it to tack
7678 on branch prediction settings. All callers changed.
7679 (print_operand): Likewise and output %l44 for LO_SUMs when
7681 (sparc_splitdi_legitimate): New function to make sure DImode
7682 splits can be run properly when !arch64.
7683 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
7684 Reformat example code in comments.
7685 (set_extends): Remove UNSPEC/v8plus_clear_high case.
7686 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
7687 of deferred case vectors we need to output.
7688 (sparc_defer_case_vector): Record a case vector.
7689 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
7690 sparc_output_deferred_case_vectors): New functions to output them.
7691 (sparc_emit_set_const32): New function to form 32-bit constants in
7692 registers when that requires more than one instruction.
7693 (safe_constDI, sparc_emit_set_const64_quick1,
7694 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7695 analyze_64bit_constant, const64_is_2insns,
7696 create_simple_focus_bits, sparc_emit_set_const64): New functions
7697 which do the same for 64-bit constants when arch64.
7698 (sparc_emit_set_symbolic_const64): New function to emit address
7699 loading for all code models on v9.
7700 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
7701 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
7702 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
7703 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
7704 inaccuracies in comments, add symbolic and text_segment operands
7705 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
7706 GENERAL_REGS in these cases as a temp REG is needed to load these
7707 addresses into a register properly.
7708 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
7710 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
7711 quads are guarenteed to have 16-byte alignment.
7712 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
7713 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
7714 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
7715 deferred case vector implementation.
7716 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
7717 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
7718 Generate "internal label - label" instead of "label - 1b".
7719 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
7720 (PREDICATE_CODES): Remove sparc_operand, move_operand,
7721 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
7723 (doublemove_string, output_block_move, output_fp_move_double,
7724 output_fp_move_quad, output_move_double, output_move_quad,
7725 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
7726 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
7727 (sparc_emit_set_const32, sparc_emit_set_const64,
7728 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
7729 mem_min_alignment, small_int_or_double): Add externs.
7730 * config/sparc/sparc.md: Document the many uses of UNSPEC and
7731 UNSPEC_VOLATILE in this backend.
7732 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
7733 unary to types which execute in it.
7734 (define_function_unit ieu_shift): Rename to ieu0.
7735 (define_function_unit ieu1): New, executes compare, call, and
7736 uncond_branch type insns.
7737 (define_function_units for type fdivs, fdivd, fsqrt): These
7738 execute in the fpu multiply unit not the adder on UltraSparc.
7739 (define_expand cmpdi): Disallow TARGET_V8PLUS.
7740 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
7741 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
7742 allows the arith_double_operand predicate and rHI constraint when
7744 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
7745 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
7746 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
7747 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
7748 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
7749 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
7750 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
7751 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
7752 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
7753 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
7754 sign_extendqihi2_insn, sign_extendqisi2_insn,
7755 sign_extendqidi2_insn, sign_extendhidi2_insn,
7756 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
7757 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
7758 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
7759 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
7760 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
7761 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
7762 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
7763 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
7764 smulsi3_highpart_v8plus, unnamed subreg mult,
7765 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
7766 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
7767 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
7768 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
7769 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
7770 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
7771 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
7772 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
7773 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
7774 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
7775 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
7776 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
7777 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
7778 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
7779 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
7780 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
7781 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
7782 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
7783 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
7784 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
7785 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
7786 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
7787 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
7788 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
7789 call_address_untyped_struct_value_sp32,
7790 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
7791 call_value_symbolic_sp32, call_value_address_sp64,
7792 call_value_symbolic_sp64, branch_sp32, branch_sp64,
7793 flush_register_windows, goto_handler_and_restore,
7794 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
7795 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
7796 return_addsi, return_di, return_adddi, return_sf, all call+jump
7797 peepholes, trap, unnamed trap insns): Prettify output strings.
7798 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
7799 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
7800 Likewise and force + implement splits for integer cases.
7801 (define_insn return_sf_no_fpu): Likewise and allow to match when
7802 no-fpu because of our subreg SFmode splits.
7803 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
7804 zero_extendqidi2_insn, zero_extendhidi2_insn,
7805 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
7806 input_operand for second operand.
7807 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
7808 reg_or_0_operand for operand 2 so new splits can use it.
7809 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
7810 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
7812 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
7813 CONST_DOUBLEs for operand 2.
7814 (define_insn move_label_di): Likewise and label distance
7815 optimization because it no longer works with new deferred case
7816 vector scheme. To be revisited.
7817 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
7818 and allow reg_or_0_operand and J constraint for second operand.
7819 (define_insn jump): Set branch predict taken on V9.
7820 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
7821 new deferred case vector scheme.
7822 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
7823 (define_insn negdi2_sp32): Force + implement splits.
7824 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
7825 one_cmplsi2_not_liveg0 respectively, and create expander of original
7826 names which emit special rtl for TARGET_LIVE_G0.
7827 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
7828 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
7829 gen_compare_reg, FAIL instead.
7830 (define_insn sgtu, sleu): Likewise and check gen_s*() return
7831 values when trying to reverse condition codes, if they FAIL then
7833 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
7834 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
7835 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
7836 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
7837 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
7838 set output string to # to indicate they are mandatory splits.
7839 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
7840 pic_sethi_di, move_pic_label_si): Remove.
7841 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
7842 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
7844 (define_expand movsi_pic_label_ref, define_insn
7845 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
7846 expander and insns to handle PIC label references and deferred
7848 (define_insn get_pc_via_rdpc): Comment out as it is no longer
7850 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
7851 Rewrite to not use emit_move_sequence, make use of new constant
7852 formation code, and new splits for all multi-insn cases.
7853 (define_insn movqi_insn): Remove sethi case, it can never happen.
7854 Use reg_or_zero_operand instead of const0_rtx explicit test,
7855 use input_operand instead of move_operand for source, and use
7856 general_operand now for dest.
7857 (define_insn movhi_insn): Similar but leave sethi case.
7858 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
7859 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
7860 movhi_lo_sum respectively, prettify output string.
7861 (define_insn movsi_zero_liveg0): New pattern to put zero into a
7862 register when needed on TARGET_LIVE_G0.
7863 (define_insn movsi_insn): Use general_operand and input_operand
7864 for dest and src respectively. Simplify applicability test.
7865 Prettify output strings, and add clr alternative for J
7867 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
7868 deprecated std and reg-reg DI moves): Remove and...
7869 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
7870 implementation which uses forced splits for all non-single insn
7872 (define_split DI move cases on !arch64): New splits to handle all
7873 situations of 64-bit double register DImode on 32bit, and
7874 unaligned registers and memory addresses for all subtargets.
7875 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
7877 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
7878 input_operand for dest and src respectively, prettify output
7880 (define_insn movdf_insn, movdf_no_e_insn, store_df,
7881 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
7883 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
7884 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
7885 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
7886 movtf_no_e_insn_sp64) Replace with new
7887 implementation which uses forced splits for all non-single insn
7889 (define_split DF move cases): New splits in similar vein to DI
7891 (define_insn sethi_di_medlow, sethi_di_medium_pic,
7892 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
7893 movdi_sp64_insn): Remove old v9 code model and constant loading
7895 (define_insn pic_lo_sum_di, pic_sethi_di,
7896 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
7897 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
7898 embmedany_sethi, embmedany_losum, embmedany_brsum,
7899 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
7900 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
7901 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
7902 scheme, using unspecs, secondary reloads, and one to one sparc
7903 insn to rtl insn mapping for better scheduling and code gen.
7904 (define_expand reload_indi, reload_outdi): Reload helpers for
7905 MEDANY and EMBMEDANY symbol address loading cases which require a
7907 (define_expand movsicc): Remove v8plus_regcmp cases.
7908 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
7909 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
7910 cmp_diqi_trunc_set): New patterns used by some of the new scc
7912 (define_insn xordi3_sp64_dbl): New pattern used for constant
7913 formation when crossing from 32-bit targets.
7914 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
7916 (define_insn addx, subx): Make visible and prettify.
7917 (define_insn adddi3_insn_sp32): Likewise and force split.
7918 (define_insn addx_extend, subx_extend, unnamed): New patterns for
7919 64bit scc split usage.
7920 (define_insn unnamed plusDI zero_extend, unnamed minusDI
7921 zero_extend, subdi3): Force and implement splits.
7923 * final.c (final_scan_insn): Don't output labels if target
7924 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
7927 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
7928 don't forget to walk inside SEQUENCESs too as these are what the
7929 delay slot scheduler will create.
7931 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
7933 * alpha.md (extxl+1,+2): New patterns to work around
7936 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
7938 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
7939 caused bad assembly code to be generated.
7941 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
7943 * netbsd.h: Fix typo.
7945 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
7947 * config.sub: Fix typo.
7949 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
7951 * invoke.texi (Environment Variables): Typo: Change "ascpects"
7953 (Running Protoize): Typo: Change "ther" into "other".
7955 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
7957 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
7958 * m68k/netbsd.h: Likewise.
7959 * ns32k/netbsd.h: Likewise.
7960 * sparc/netbsd.h: Likewise.
7962 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
7964 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
7965 * ginclude/va-clipper.h (va_list): Likewise.
7967 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
7969 * rs6000.c (rs6000_override_options): If big endian and -Os, use
7970 load/store multiple instructions unless user overrides.
7972 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
7974 * ns32k/netbsd.h: Fix typo.
7976 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
7978 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
7979 labels with .debugsym if no parallel insns.
7981 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
7983 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
7984 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
7986 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
7988 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
7989 (AR_FOR_TARGET): Define.
7991 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
7993 * dyn-string.h: New file.
7994 * dyn-string.c: Likewise.
7995 * Makefile.in (OBJS): Add dyn-string.o.
7996 (dwarf2out.o): Add dyn-string.h dependency.
7997 (dyn-string.o): List dependencies.
7998 * dwarf2out.c: Include dyn-string.h.
7999 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
8000 (addr_const_to_string): Take a dyn_string_t, not a char* as a
8001 prototype. Use dyn_string_append rather than strcat, throughout.
8002 (addr_to_string): Use dyn_string_t.
8004 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
8006 Function entry/exit profiling instrumentation:
8007 * expr.h (profile_function_entry_libfunc,
8008 profile_function_exit_libfunc): Declare new variables.
8009 * optabs.c: Define them here.
8010 (init_optabs): Initialize them.
8011 * tree.h (struct tree_decl): New flag
8012 no_instrument_function_entry_exit.
8013 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
8014 * c-decl.c (duplicate_decls): Merge it.
8015 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
8016 (init_attributes): Use it for "no_instrument_function".
8017 (decl_attributes): Handle it, for functions that have not yet been
8018 compiled. Set decl flag.
8019 * flags.h (flag_instrument_function_entry_exit): Declare new
8021 * toplev.c (flag_instrument_function_entry_exit): Define it here.
8022 (f_options): New option "instrument-functions".
8023 * function.h (struct function): New field instrument_entry_exit.
8024 * function.c (current_function_instrument_entry_exit): New
8026 (push_function_context_to, pop_function_context_from): Save and
8028 (expand_function_start): Set current_ variable, maybe emit return
8029 label and entry profile call.
8030 (expand_function_end): Maybe emit exit profile call.
8032 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
8034 * i386.md (movqi): When optimizing a load of (const_int 1) into a
8035 NON_QI_REG_P, pretend the register is SImode.
8037 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
8039 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
8040 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
8041 manufacturer id for ns32k.
8042 * configure: Regenerated.
8043 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
8044 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
8045 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
8046 * config/m68k/netbsd.h: Same.
8047 * config/ns32k/netbsd.h: Same.
8048 * config/sparc/netbsd.h: Same.
8050 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
8052 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
8053 or UNROLL_COMPLETELY loop that starts with a jump to its
8056 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
8058 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
8059 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
8060 (print_operand, case 'B'): Don't fall through.
8061 (print_operand, case 'S'): Correct mask begin/end computation.
8062 Use HOST_BITS_PER_WIDE_INT.
8063 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
8064 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
8065 * rs6000/aix41.h (CPP_PREDEFINES): Same.
8066 * rs6000/aix43.h (CPP_PREDEFINES): Same.
8068 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
8070 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
8071 constraint from second alternative.
8073 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8075 * configure.in: Fix --without/--disable cases for local-prefix,
8076 gxx-include-dir and checking.
8078 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8080 * configure.in (enable_haifa): Set by default for sparc64 too.
8083 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8085 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
8086 * i386/winnt.c (associated_type): New fn.
8087 (i386_pe_valid_type_attribute_p): New fn.
8088 (i386_pe_check_vtable_importexport): Remove.
8089 (i386_pe_dllexport_p): Use associated_type.
8090 (i386_pe_dllimport_p): Likewise.
8092 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
8093 * i386.c (i386_valid_type_attribute_p): Also accept
8094 attributes for METHOD_TYPEs.
8096 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
8098 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
8100 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
8102 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
8104 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
8105 them from generating a new base name for each occurence of
8108 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
8110 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
8112 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
8116 * cplus-dem.c (type_kind_t): New type.
8117 (demangle_template_value_parm): Add type_kind_t parameter. Rely
8118 on this paramter, rather than demangling the type again.
8119 (demangle_integral_value): Pass tk_integral.
8120 (demangle_template_: Pass the value returned from do_type.
8121 (do_type): Return a type_kind_t. Pass tk_integral to
8122 demangle_template_value_parm for array bounds.
8123 (demangle_fund_type): Likewise.
8125 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
8127 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
8130 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
8132 * pa.c (move_operand): Accept CONSTANT_P_RTX.
8134 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
8136 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
8138 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
8141 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
8143 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
8144 (DEBUGGER_ARG_OFFSET): Likewise.
8146 * mn10300.md (movsf): Remove last change. Not needed.
8148 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
8150 * c-lex.c (yylex): Fix boundary conditions in character literal and
8151 string literal loops.
8153 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
8155 * longlong.h (count_leading_zeros): Sparclite scan instruction was
8156 being invoked incorrectly.
8158 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
8159 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
8161 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
8162 * configure.in: Added i[34567]86-*-win32
8163 * config.sub: Ditto.
8164 * configure: Rebuilt.
8166 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
8168 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
8169 the frame pointer and compiling PIC code and reload has not completed.
8171 * i386.c (output_to_reg): Add code to emulate non-popping DImode
8174 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
8176 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
8178 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8180 * Makefile.in (install-info): Only try to update the info
8181 directory file if it exists in the first place.
8183 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
8185 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
8187 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
8189 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
8190 CONST_DOUBLE source.
8192 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
8194 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
8195 strings as the insertion of USER_LABEL_PREFIX.
8196 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
8198 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
8201 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
8203 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
8204 already defined type.
8206 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
8208 * expr.c (check_max_integer_computation_mode): Allow conversions
8209 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
8210 (expand_expr): Likewise.
8212 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8214 * expr.c (expand_expr): Expand RETURN_EXPR.
8216 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
8218 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
8220 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
8222 * dwarf2out.c (output_aranges): Call stripattributes
8223 for TEXT_SECTION references.
8224 (output_line_info): Likewise.
8226 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8228 * profile.c (branch_prob): Call allocate_reg_info after outputting
8229 profile rtl in instrument_arcs.
8231 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
8233 * fixinc.irix (math.h): Install wrapper instead of copying.
8235 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8237 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
8238 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
8239 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
8240 lang_flag_0. Added documentation in the flag table.
8242 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
8244 * cccp.c (do_include): Fix vax c style include handling.
8246 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8248 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
8250 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
8252 * fold-const.c (non_lvalue): Don't deal with null pointer
8254 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8256 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
8258 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
8259 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
8260 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
8261 (u_short_cint_operand): Same.
8262 (reg_or_cint_operand): Same.
8263 (logical_operand): Same.
8264 (input_operand): Same.
8265 (reg_or_short_operand): Use u_short_cint_operand.
8267 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
8269 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
8270 but keep the insns and splits. Adjust so when the ultimate destination
8271 is memory, use cvtql.
8273 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
8275 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
8277 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
8279 * gcc.c (do_spec): Call "error" not "warning".
8281 * configure.in: Fix minor problems with gas feature detection code.
8282 * configure: Rebuilt.
8284 * gcc.c (do_spec): Issue a warning for '%[]' usage.
8287 * gcc.c: Delete %[spec] support.
8288 (do_spec_1, case '('): Likewise.
8289 (do_spec_1, case '['): Call error.
8291 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
8293 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
8294 (CPP_SUBTARGET_SPEC): Default to empty string.
8295 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
8296 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
8297 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
8298 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
8300 * alpha/linux.h (CPP_PREDEFINES): Tidy.
8301 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
8302 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
8303 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
8304 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
8305 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
8306 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
8307 * alpha/vxworks.h: Likewise.
8309 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
8311 * mips.md (reload_outsi): Added missing REGNO call.
8312 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
8314 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
8315 another match_operator and compare the codes.
8317 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
8319 * MIPS multiply pattern fixes:
8320 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8321 Add union classes for HI, LO, or HILO plus general registers.
8322 (GENERATE_MADD): Deleted.
8323 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
8324 Add TARGET_MAD to condition.
8325 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
8326 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
8327 "*d" for accumulator, to give preference to LO initially but not
8330 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
8332 * configure.in (enable_c_mbchar): New configure option.
8333 (extra_cpp_objs): Always available now.
8335 * cexp.y (mbchar.h): #include it.
8336 (yylex): Handle Multibyte characters in character literals.
8338 * cccp.c (mbchar.h): #include it.
8339 (main): Set character set based on LANG environment variable.
8340 (rescan): Handle multibyte characters in comments.
8341 (skip_if_group): See above.
8342 (validate_else): See above.
8343 (skip_to_end_of_comment): See above.
8344 (macarg1): See above.
8345 (discard_comments): See above.
8346 (rescan): Handle multibyte characters in string and character literals.
8347 (collect_expansion): See above.
8348 (skip_quoted_string): See above.
8349 (macroexpand): See above.
8350 (macarg1): See above.
8351 (discard_comments): See above.
8352 (change_newlines): See above.
8354 * c-lex.c (mbchar.h): #include it.
8355 (GET_ENVIRONMENT): New macro.
8356 (init_lex): Set character set based on LANG environment variable.
8357 (yylex): Handle multibyte characters in character literals.
8358 (yylex): Handle multibyte characters in string literals.
8360 * Makefile.in (mbchar.o): New target.
8361 (cccp$(exeext)): @extra_cpp_objs@ is always available.
8362 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
8364 * mbchar.[ch]: New files for multibyte character handling.
8366 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8368 * jump.c (jump_optimize): When simplifying noop moves and
8369 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
8370 the PUSHes to rewrite in second loop as we did in the first.
8372 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8374 * cplus-dem.c (demangle_nested_args): Make function definition
8375 static to match the prototype.
8377 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
8379 * alloca.c: Respect USE_C_ALLOCA.
8380 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
8381 * gengenrtl.c (xmalloc): Likewise.
8383 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
8385 * loop.h (struct induction): Add no_const_addval.
8386 * loop.c (the_movables, reg_address_cost): New variables.
8387 (init_loop): Init reg_address_cost.
8388 (loop_optimize): Call end_alias_analysis.
8389 (scan_loop): Init the_movables.
8390 (record_giv): Init induction->no_const_addval.
8391 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
8392 [REG]: Rearrange loop search test to catch more cases.
8393 (general_induction_var): Return success not benefit; take an extra
8394 argument for that. Change all callers.
8395 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
8396 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
8397 [default]: Search the_movables for additional combinations.
8398 (sge_plus_constant, sge_plus): New functions.
8399 (express_from_1): New function.
8400 (express_from): Always define. Rewrite using express_from_1.
8401 (combine_givs_p): Handle more cases. Ignore address cost.
8402 (cmp_combine_givs_stats): New function.
8403 (combine_givs_used_once, combine_givs_benefit_from): New functions.
8404 (combine_givs): Rewrite to do best-fit combination.
8406 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
8407 (fold): Do a complete (A*C)+(B*C) association check.
8409 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
8411 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
8413 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
8415 * mn10300.c (MODES_TIEABLE_P): Fix typo.
8417 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
8419 * tree.c (valid_machine_attribute): Only create a new type variant if
8420 there is a decl to use it.
8422 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
8424 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
8427 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
8429 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
8432 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
8434 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
8435 Simplify tests for clearing an address register.
8436 (expand_prologue): Corresponding changes.
8438 * mn10300.md (movXX patterns): Make sure the destination is an
8439 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
8440 (logical patterns): Split into expanders + patterns
8441 (zero and sign extension patterns): Similarly.
8442 (shift patterns): Similarly.
8444 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8446 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8447 for the sequence, recording base values.
8449 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8451 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
8453 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
8455 * gcc.c: Remove ANSI-C ism from --help code.
8457 * toplev.c: Support --help with USE_CPPLIB.
8459 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
8461 * configure.in: Rework gas feature code to work with symlink based
8464 * extend.texi: Clarify some issues related to local variables
8465 assigned to explicit registers.
8467 * mn10300.md (mulsi): Turn into expander + pattern.
8469 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
8472 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
8474 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
8476 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
8478 * version.c: Bump again to distinguish mainline tree from the
8481 See ChangeLog.0 for earlier changes.
8484 add-log-time-format: current-time-string