1 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
3 * cppalloc.c: Add xstrdup here.
4 * cpplib.h: Remove savestring prototype.
5 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
7 * cppfiles.c: s/savestring/xstrdup/ throughout.
9 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
11 * cpplib.c: Make all directive handlers read their own
13 (struct directive): Remove last two arguments from FUNC
14 member prototype. Remove `command_reads_line' member
16 (directive_table): Remove initializations of
17 command_reads_line flag. Pretty-print.
18 (eval_if_expression, do_define, do_line, do_include,
19 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
20 do_else, do_elif, do_sccs, do_assert, do_unassert,
21 do_warning): Take only two args.
23 (cpp_define): Call do_define with two args and the text to
24 define stuffed into a buffer.
25 (make_assertion): Call do_assert with two args.
26 (handle_directive): Call do_line with two args. Call
27 kt->func with two args. Remove command_reads_line
29 (do_define, do_undef, do_error, do_warning, do_pragma,
30 do_sccs): Read the rest of the line here.
31 (do_ident): Gobble rest of line, as cccp does.
32 (cpp_undef): New function.
33 (cpp_start_read): Call cpp_undef instead of do_undef.
35 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
37 * cpphash.h (union hash_value): Remove `keydef' member, add a
38 `struct hashnode *aschain' member for #assert.
40 * cpplib.c (struct tokenlist_list, struct
41 assertion_hashnode): Delete structure definitions.
42 (assertion_install, assertion_lookup, delete_assertion,
43 check_assertion, compare_token_lists, reverse_token_list,
44 read_token_list, free_token_list): Delete functions.
45 (parse_assertion): New function.
46 (cpp_cleanup): Don't destroy the assertion_hashtable.
48 (do_assert): Gut and rewrite. #assert foo (bar) places
49 entries for `#foo' and `#foo(bar)' in the macro hash table,
50 type T_ASSERT. The value union's `aschain' member is used
51 to chain all answers for a given predicate together.
52 (do_unassert): Also rewritten. Take an un-asserted
53 answer off the chain from its predicate and call
54 delete_macro on the hashnode, or walk a predicate chain
55 calling delete_macro on all the entries.
56 (cpp_read_check_assertion): Simply call parse_assertion to
57 get the canonical assertion name, and look that up in the
60 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
63 * cpphash.c (install): Use bcopy instead of an explicit loop
64 to copy the macro name.
66 * cppexp.c (cpp_lex): Convert the result of
67 cpp_read_check_assertion to a `struct operation' directly;
68 don't go through parse_number.
70 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
72 * loop.h (struct induction): Delete times_used member.
73 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
74 (n_times_used): Rename to n_times_set. Changed all users.
75 (scan_loop): Free reg_single_usage before strength reduction.
76 (record_giv, combine_givs): Remove handling of times_used member.
77 (combine_givs_used_once): Rename to:
78 (combine_givs_used_by_other) . Changed all callers.
80 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
82 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
83 instead of TREE_CODE_CLASS == 't'.
84 (gen_type_die): Likewise.
85 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
87 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
89 * real.c (endian): Disable last change unless
90 HOST_BITS_PER_WIDE_INT is greater than 32.
92 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
94 * output.h (force_data_section): New prototype.
95 * varasm.c (force_data_section): New function to force the
96 data section, regardless of what in_section thinks.
97 * dwarf2out.c (output_call_frame_info): Call force_data_section
98 since varasm may not realize we've changes sections.
100 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
102 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
103 after completeing reload.
105 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
106 deleted after reload.
108 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
110 * rtl.h (multiple_sets): Fix prototype.
111 * rtlanal.c (multiple_sets): Fix return type.
113 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
115 * version.c: Bump for snapshot.
117 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
119 * version.c: Bump for snapshot.
121 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
123 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
125 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
127 * rtl.h (recompute_reg_usage): Add second argument.
128 * flow.c (recompute_reg_usage): Likewise.
129 * toplev.c (rest_of_compilation): Supply second argument to
132 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
135 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
137 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
138 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
139 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
142 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
144 * rtlanal.c (multiple_sets): New function.
145 * rtl.h (multiple_sets): Declare it.
146 * local-alloc.c (wipe_dead_reg): Use it.
147 * global.c (global_conflicts): Likewise.
149 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
151 * global.c (record_conflicts): Don't use an array of shorts to
152 store an array of ints.
153 (global_conflicts): Likewise.
155 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
157 * alpha.c (alpha_expand_block_move): mode_for_size expects
158 bits, not bytes. Infer extra alignment from addressof.
160 1998-12-11 Michael Meissner <meissner@cygnus.com>
162 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
163 .sbss section, not .sdata.
165 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
167 * cccp.c: Do not #include <sys/stat.h> here; this is already done
169 * collect2.c: Likewise.
170 * cpplib.h: Likewise.
173 * getpwd.c: Likewise.
174 * protoize.c: Likewise.
175 * toplev.c: Likewise.
177 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
178 and don't try to define it here.
179 * Makefile.in (cppmain.o): Depend on machmode.h.
180 (cpplib.o): Likewise.
181 (cpperror.o): Likewise.
182 (cppexp.o): Likewise.
183 (cppfiles.o): Likewise.
184 (cpphash.o): Likewise.
185 (cppalloc.o): Likewise.
186 (fix-header.o): Likewise.
187 (scan-decls.o): Likewise.
189 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
191 * sh.c (print_operand): lookup interrupt_handler attribute instead
192 of relying on static variable.
193 * (calc_live_regs): Likewise.
194 * (sh_pragma_insert_attributes): Create interrupt_handler
195 attribute if a pragma was specified
196 * (sh_valid_machine_decl_attribute): Don't set static flag.
197 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
199 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
201 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
202 to determine if a register is live at a jump destination.
203 Everything is dead at a BARRIER.
205 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
207 * cse.c (simplify_unary_operation): Sign-extend constants when
208 they have the most significant bit set for the target.
209 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
211 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
212 HOST_WIDE_INT temporary before negating it.
213 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
215 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
217 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
220 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
222 * collect2.h: New header file for prototypes.
224 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
226 * collect2.c: Include collect2.h.
229 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
231 * flow.c: Update some comments.
233 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
235 * objc/objc-act.c (cpp_initialized): Removed.
236 (lang_init_options): Initialize cpplib.
237 (lang_decode_option): Move initialization of cpplib to
239 * c-lang.c: (parse_options,parse_in): Added.
240 (lang_init_options): Initialized cpplib here.
241 * c-decl.c (parse_options,cpp_initialized): Removed.
242 (c_decode_option): Move initialization of cpplib to
245 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
247 * reload1.c (reload_combine, reload_combine_note_store):
248 Make STORE_RUID always valid.
249 (reload_combine): Check if BASE is clobbered too early.
251 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
253 * reload.c (find_reloads): Display the insn that cannot be
256 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
258 * cccp.c (create_definition): Fix end of bufer logic.
260 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
262 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
263 pointer parameters changed to use the PARAMS() macro.
265 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
267 * except.h (struct handler_info): Add handler_number field.
268 * except.c (gen_exception_label): EH labels no longer need to be
269 on the permanent obstack.
270 (get_new_handler): Set the label number field.
271 (output_exception_table_entry): Regenerate handler label reference
272 from the label number field.
273 (init_eh): Remove a blank line.
274 * integrate.c (get_label_from_map): Labels no longer need to be
275 on the permanent obstack.
277 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
279 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
280 only when OUTER_CODE is SET.
282 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
284 * loop.c (strength_reduce): If scan_start points to the loop exit
285 test, be wary of subversive use of gotos inside expression statements.
286 Don't set maybe_multiple for a backward jump that does not
287 include the label under consideration into its range.
288 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
290 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
292 * explow.c (plus_constant_wide): Don't immediately return with
293 result of recursive call.
295 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
297 * eh-common.h (struct eh_context): Add table_index for rethrows.
299 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
300 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
301 processed when inlined or unrolled (ie duplicated in some way).
303 * rtl.c (reg_note_name): Add strings for new reg_note enums.
305 * expr.h (rethrow_libfunc): New library decl.
307 * optabs.c (rethrow_libfunc): Initialize.
309 * except.h (struct eh_entry): Add new field 'rethrow_label'.
310 (new_eh_region_entry): No longer exported from except.c.
311 (duplicate_handlers): Renamed to duplicate_eh_handlers and
313 (rethrow_symbol_map, rethrow_used): New exported functions.
314 (eh_region_from_symbol): New exported function.
316 * except.c (create_rethrow_ref): New function to create a single
317 SYMBOL_REF for a rethrow region.
318 (push_eh_entry): Initialize a rethrow ref.
319 (func_eh_entry): Add a rethrow_label field.
320 (new_eh_region_entry): Make static, and initialize the rethrow entry.
321 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
322 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
323 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
324 a region into an appropriate new symbol.
325 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
326 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
327 (end_catch_handler): Emit a barrier for new-exceptions since
328 control can never drop through the end of a catch block.
329 (expand_end_all_catch): new-exceptions never fall through a catch
331 (expand_rethrow): use __rethrow routine for new exceptions.
332 (output_exception_table_entry): Generate rethrow labels, if needed.
333 (output_exception_table): Generate start and end rethrow labels.
334 (init_eh): Create rethrow symbols for beginning and end of table.
335 (scan_region): Don't eliminate EH regions which are the targets of
338 * flow.c (make_edges): Add different edges for rethrow calls,
339 identified by having the REG_EH_RETHROW reg label.
340 (delete_unreachable_blocks): Don't delete regions markers which are
341 the target of a rethrow.
343 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
344 allow save_for_inline_copying to call duplicate_eh_handlers.
345 (save_for_inline_copying): Call duplicate_eh_handlers instead of
346 exposing internal details of exception regions.
347 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
348 (expand_inline_function_eh_labelmap): New callback routine to
349 allow expand_inline_function to call duplicate_eh_handlers.
350 (expand_inline_function): Call duplicate_eh_handlers instead of
351 exposing internal details of exception regions.
352 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
355 * libgcc2.c (find_exception_handler): Generalize to enable it to
356 pick up processing where it left off last time for a rethrow.
357 (__unwinding_cleanup): New function. debug hook which is called before
358 unwinding when __throw finds there is nothing but cleanups left.
359 (throw_helper): Common parts of __throw extracted out for reuse.
360 (__throw): Common parts moved to throw_helper.
361 (__rethrow): New function for performing rethrows.
363 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
365 * reload1.c (current_function_decl): Tweak declaration.
367 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
369 * c-decl.c (flag_isoc9x): Default off.
370 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
371 * cccp.c (print_help, main): Likewise.
372 * gcc.c (default_compilers): Update for -std=gnu*.
374 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
376 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
377 * demangle.h: Deleted.
379 * reload1.c (current_function_decl): Declare.
381 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
383 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
385 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
387 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
389 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
391 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
393 * configure: Rebuilt.
394 * system.h: If the *_unlocked functions are available use them
395 instead of the locked counterparts by defining macros.
396 * config.in: Regenerated.
398 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
400 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
401 wrong and should only be used for dump related things, not
402 debugging information, instead main_input_filename should be used.
403 Also, reuse output_file_directive if possible.
404 * i386/aix386ng.h (ASM_FILE_START): Likewise.
405 * i386/isc.h (ASM_FILE_START): Likewise.
406 * i386/win-nt.h (ASM_FILE_START): Likewise.
407 * i386/sun386.h (ASM_FILE_START): Likewise.
409 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
411 * configure.in (mips*-*-linux*): Handle big and little endian
413 * configure: Rebuilt.
415 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
417 * emit-rtl.c: Fix typo.
419 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
421 * reload1.c (eliminate_regs): Don't do anything, if we're not
424 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
426 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
428 * mips/mips.c (mips_select_section): Add comment.
430 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
432 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
433 characters in file names in #line to be consistent with #include
434 handling. We support escape prcessing in the # 1 "..." version of
435 the command. See also support in cp/lex.c.
436 (handle_directive): Likewise.
439 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
441 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
442 so it'll work on non-ASCII platforms. Always consider $ an
443 identifier character. Take no arguments.
444 (cpp_reader_init): Call initialize_char_syntax with no
446 (cpp_start_read): Don't call initialize_char_syntax again.
447 Clear is_idchar['$'] and is_idstart['$'] if not
448 opts->dollars_in_ident.
450 * cpplib.h (struct cpp_reader): Replace void *data element by
451 cpp_options *opts. Rearrange elements to make gdb printout
452 less annoying (put buffer stack at end).
453 (CPP_OPTIONS): Get rid of now-unnecessary cast.
455 * cppmain.c: s/data/opts/ when initializing cpp_reader
457 * c-decl.c: Likewise.
458 * objc/objc-act.c: Likewise.
459 * fix-header.c: Likewise.
461 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
463 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
464 with a struct file_name_list pointer.
465 (struct cpp_reader): Add pointer to chain of `actual
466 directory' include searchpath entries.
467 (struct file_name_list): Add *alloc pointer for the sake of
468 the actual-directory chain.
470 Move definition of HOST_WIDE_INT here.
471 (cpp_parse_escape): Change prototype to match changes in
474 * cppfiles.c (actual_directory): New function.
475 (finclude): Use it to initialize the buffer's actual_dir
477 (find_include_file): We don't need to fix up max_include_len
480 * cpplib.c (do_include): Don't allocate a file_name_list on
481 the fly for current directory "" includes, use the one that's
482 been preallocated in pfile->buffer->actual_dir. Hoist out
483 duplicate code from the search_start selection logic.
484 (cpp_reader_init): Initialize pfile->actual_dirs.
486 Remove definition of HOST_WIDE_INT. Change calls
487 to cpp_parse_escape to match changes in cppexp.c (note
488 hardcoded MASK, which is safe since this is the source
491 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
492 to handle wide character constants in #if directives. The
493 function now returns a HOST_WIDE_INT, and takes a third
494 argument which is a binary mask for all legal values (0x00ff
495 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
496 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
497 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
499 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
501 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
503 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
505 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
506 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
507 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
509 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
511 * final.c (output_asm_name): Use tabs to seperate comments from
514 Include instruction lengths (if defined) in output.
516 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
518 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
519 in the loop_info structure.
521 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
523 * configure.in: (arm*-*-ecos-elf): New target.
524 * configure: Regenerated.
525 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
526 * config/arm/ecos-elf.h: New file.
527 * config/arm/unknown-elf.h (TARGET_VERSION): Check
530 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
532 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
534 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
536 * version.c: Bump for snapshot.
538 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
540 * loop.c (check_dbra_loop): New argument loop_info. Update fields
543 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
545 * version.c: Bump for snapshot.
547 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
549 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
550 compressed reports are ok and preferred over URLs
552 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
554 * invoke.texi (Warning Options): Soften the tone of -pedantic
556 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
558 * print-rtl.c (print_rtx): Add prototype.
560 * unroll.c (iteration_info): Make it static.
562 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
564 * alias.c (memrefs_conflict_p): A second ANDed address
565 disables the aligned address optimization.
567 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
569 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
572 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
574 * i960.h (BOOL_TYPE_SIZE): Define.
576 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
578 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
579 from old valid_parallel_operands_4.
580 (valid_parallel_operands_4): Check that operands for 4 operand
581 parallel insns are valid, excluding load/store insns.
582 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
583 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
584 valid_parallel_load_store instead of valid_parallel_operands_4.
585 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
586 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
587 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
588 *notqi_movqi_clobber): Use valid_parallel_operands_4.
589 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
590 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
591 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
593 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
595 * config/c4x/c4x.c (iteration_info): Delete extern.
597 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
599 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
601 * final.c (cleanup_subreg_operands): Delete some unused code.
603 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
604 (struct insn_alternative): New structure definition.
605 (recog_op_alt): Declare variable.
606 (preprocess_constraints): Declare function.
607 * recog.c (recog_op_alt): New variable.
608 (extract_insn): Verify number of alternatives is in range.
609 (preprocess_constraints): New function.
610 * reg-stack.c: Include recog.h.
611 (constrain_asm_operands): Delete.
612 (get_asm_operand_lengths): Delete.
613 (get_asm_operand_n_inputs): New function.
614 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
615 N_OUTPUTS args. All callers changed.
616 Compute number of inputs and outputs here by calling
617 get_asm_operand_n_inputs.
618 Instead of constrain_asm_operands, call extract_insn,
619 constrain_operands and preprocess_constaints. Use information
620 computed by these functions throughout.
621 (record_reg_life): Delete code that is unused due to changes in
623 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
624 N_INPUTS and N_OUTPUTS args. All callers changed.
625 Similar changes as in record_asm_reg_life.
626 (subst_stack_regs): Move n_operands declaration into the if statement
628 Delete code that is unused due to changes in subst_asm_stack_regs.
629 * stmt.c (expand_asm_operands): Verify number of alternatives is in
631 * Makefile.in (reg-stack.o): Depend on recog.h.
633 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
635 * except.c (set_exception_version_code): Argument is an "int".
637 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
639 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
640 * configure: Rebuilt.
642 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
644 * configure.in (mipsel-*-linux*): New target.
645 * mips/linux.h: New file, based on other Linux targets.
647 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
649 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
650 runs in the context of the deleter, not the deletee, so we must
651 use taskVarGet to find the correct memory to free.
652 (__gthread_key_create): Initialize the task
653 variable subsystem so that the task variable is still active when
654 the delete hook is run.
656 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
658 * pdp11.h: Use optimize_size for space optimizations.
660 * pdp11.md: Likewise.
662 * pdp11.h (TARGET_40_PLUS): Fix typo.
664 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
666 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
669 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
671 * alias.c (addr_side_effect_eval): New function.
672 (memrefs_conflict_p): Use it.
673 * rtl.h (addr_side_effect_eval): Prototype it.
675 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
677 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
679 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
681 * reload.c (find_reloads): When force const to memory, put result
682 in substed_operand not *recog_operand_loc.
684 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
686 * c-lex.c: Fix indentation from last patch.
687 Remove trailing whitespace.
690 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
692 * flow.c (delete_block): Call set_last_insn after we have reset
693 NEXT_INSN (kept_tail).
695 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
697 * mips.md (trap_if): Use "$0" for the value zero.
699 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
700 Stephen L Moshier <moshier@world.std.com>
701 Richard Henderson <rth@cygnus.com>
703 * c-common.c (declare_function_name): Declare predefinied variable
706 * c-decl.c (flag_isoc9x): Set to 1 by default.
707 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
708 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
710 * c-parse.in: Allow constructors in ISO C 9x.
711 Rewrite designator list handling.
712 Allow [*] parameters.
713 Don't warn about comma at end of enum definition for ISO C 9x.
715 * cccp.c (c9x): New variable.
716 (rest_extension): New variable.
717 (print_help): Document new -std= option.
718 (main): Recognize -std= option. Set c9x appropriately.
719 (create_definition): Recognize ISO C 9x vararg macros.
721 * gcc.c (default_compilers): Adjust specs for -std options.
722 (option_map): Add --std.
723 (display_help): Document -std.
725 * toplev.c (documented_lang_options): Add -std and remove
728 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
729 or REAL_VALUE_HTOF based on base of the constants.
730 * fold-const.c (real_hex_to_f): New function. Replacement function
731 for hex FP conversion if REAL_ARITHMETIC is not defined.
732 * real.c (asctoeg): Add handling of hex FP constants.
733 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
736 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
738 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
739 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
740 expansion. Use hi/lo as destination register.
742 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
743 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
744 Avoid as macro expansion. Use hi/lo as destination register.
746 * mips.h (MASK_CHECK_RANGE_DIV): New.
747 (MASK_NO_CHECK_ZERO_DIV): New.
748 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
749 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
750 return address for leaf functions out of r31 to support
751 builtin_return_address.
753 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
755 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
756 NEXT_INSN(x) to check insn x.
758 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
760 * flow.c (delete_block): Call set_last_insn if we end up deleting the
761 last insn in the rtl chain.
763 * reload1.c (reload): Do not set reload_completed or split insns
765 * toplev.c (rest_of_compilation): Set reload_completed after
766 reload returns. Split insns after reload_cse has run.
768 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
770 * final.c (final_scan_insn): Abort if block_depth falls below 0.
772 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
774 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
776 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
778 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
779 use of user-label_prefix.
781 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
783 * reload1.c (emit_reload_insns): Clear spill_reg_store
784 when doing a new non-inherited reload from the same pseudo.
786 * local-alloc.c (function_invariant_p): New function.
787 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
788 to decide if an equivalence should be recorded.
789 * reload1.c (num_eliminable_invariants): New static variable.
790 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
791 to decide if an equivalence should be recorded.
793 (calculate_needs_all_insns): Skip insns that only set an equivalence.
794 Take num_eliminable_invariants into account when deciding
795 if register elimination should be done.
796 (reload_as_needed): Take num_eliminable_invariants into account
797 when deciding if register elimination should be done.
798 (eliminate_regs): Handle non-constant reg_equiv_constant.
799 * rtl.h (function_invariant_p): Declare.
801 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
803 * version.c: Bump for snapshot.
805 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
807 * version.c: Bump for snapshot.
809 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
811 * except.c (add_new_handler): Complain about additional handlers
812 after one that catches everything.
814 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
816 * configure.in (alpha*-*-netbsd): Fix typo.
817 * configure: Rebuilt.
819 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
821 * system.h: Include libiberty.h.
823 * c-aux-info.c: Remove prototypes for concat/concat3. Change
824 function `concat' from fixed parameters to variable parameters,
825 as is done in libiberty. All callers of concat/concat3
826 changed to use the new `concat' with variable args.
828 * cccp.c: Remove things made redundant by libiberty.h and/or
829 conform to libiberty standards.
831 * collect2.c: Likewise.
832 * config/1750a/1750a.h: Likewise.
833 * cppalloc.c: Likewise.
834 * cppexp.c: Likewise.
835 * cppfiles.c: Likewise.
836 * cpphash.c: Likewise.
837 * cpplib.c: Likewise.
838 * dyn-string.c: Likewise.
839 * fix-header.c: Likewise.
842 * genattr.c: Likewise.
843 * genattrtab.c: Likewise.
844 * gencheck.c: Likewise.
845 * gencodes.c: Likewise.
846 * genconfig.c: Likewise.
847 * genemit.c: Likewise.
848 * genextract.c: Likewise.
849 * genflags.c: Likewise.
850 * gengenrtl.c: Likewise.
851 * genopinit.c: Likewise.
852 * genoutput.c: Likewise.
853 * genpeep.c: Likewise.
854 * genrecog.c: Likewise.
855 * getpwd.c: Likewise.
856 * halfpic.c: Likewise.
858 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
859 in NEED_DECLARATION_* macros.
861 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
862 conform to libiberty standards.
863 (fatal): Fix const-ification of variable `format' in
864 !ANSI_PROTOTYPES case.
866 * prefix.c: Remove things made redundant by libiberty.h and/or
867 conform to libiberty standards.
869 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
870 conflicting with function `spaces' from libiberty.
872 * profile.c: Remove things made redundant by libiberty.h and/or
873 conform to libiberty standards.
874 * protoize.c: Likewise.
878 * toplev.c: Likewise.
879 * toplev.h: Likewise.
882 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
884 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
886 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
888 * README.C4X: Updated URLs.
889 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
890 (valid_parallel_operands_5): Remove unused variable.
892 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
894 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
896 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
898 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
899 which can be configured.
900 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
901 (Makefile): Pass actual LANGUAGES through the environment when
903 (cstamp-h): Likewise.
904 (config.status): Likewise.
906 * configure.in (enable_languages): Add new configuration parameter
907 "--enable-languages=lang1,lang2,...".
908 (${srcdir}/*/config-lang.in): Change handling to configure only
909 those directories, that the user might have enabled; default to
910 "all" existing languages.
911 * configure: Regenerate.
913 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
915 * rtlanal.c (regs_set_between_p): New function.
916 * rtl.h (regs_set_between_p): Prototype it.
917 * jump.c (jump_optimize): Use it instead of modified_between_p
920 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
921 Matthias Pfaller <leo@dachau.marco.de>
923 * invoke.texi (Option Summary, NS32K Options): add description
924 of NS32K specific options.
926 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
927 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
928 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
929 negdf2, absdf2): Use l instead of f since the double class and
930 float class are no longer the same.
931 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
932 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
933 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
934 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
936 (cmpsi, cmphi, cmpqi): use general_operand instead of
937 non_immediate_operand. Removes erroneous assumption that can't
939 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
940 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
942 (movstrsi, movstrsi1, movstrsi2): completely new block move
944 (...): Patterns to exploit multiply-add instructions.
945 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
946 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
947 patterns to exploit extended divide insns.
948 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
951 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
952 float return values as well as simple scalar floats.
953 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
954 support new flag to denote 32381 fpu.
955 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
956 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
958 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
959 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
960 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
961 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
962 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
963 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
964 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
965 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
966 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
967 fpu registers and special register classes for new 32381
968 instructions dotf and polyf.
969 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
971 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
972 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
974 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
975 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
976 (REGISTER_MOVE_COST): move code to register_move_cost function for
977 ease of coding and debugging.
978 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
979 LONG_FLOAT_REGO is likely spilled but not caught by default
981 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
982 instead of hard coded numbers in range check.
983 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
984 (...): Add prototypes for functions in ns32k.c but disable because
985 of problems when ns32k.h is included in machine independant files.
987 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
988 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
989 hard_regno_mode_ok, secondary_reload_class,
990 print_operand, print_operand_address): new register scheme to
991 include 32381 fpu registers and special register classes for new
992 32381 instructions dotf and polyf.
993 (gen_indexed_expr): Make static to keep namespace clean.
994 (check_reg): remove since never called.
995 (move_tail, expand_block_move): helper functions for "movstrsi"
997 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
998 Increase cost of moves which go via memory.
999 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
1000 (CPP_PREDEFINES): nolonger predefine "unix".
1002 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
1003 Remove erroneous %$. print_operand() can work out from the rtx is
1004 an immediate prefix is required.
1006 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
1007 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
1008 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
1010 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
1013 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
1014 Correct handling of pic operands.
1015 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
1016 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
1017 -mrtd calling convention.
1019 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
1021 * gcc.c (option_map): Recognize --output-class-directory.
1023 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1025 * loop.h (precondition_loop_p): Added new mode argument.
1026 * unroll.c (precondition_loop_p): Likewise.
1027 (approx_final_value): Function deleted and subsumed
1028 into loop_iterations.
1029 (loop_find_equiv_value): New function.
1030 (loop_iterations): Use loop_find_equiv_value to find increments
1031 too large to be immediate constants. Also use it to find terms
1032 common to initial and final iteration values that can be removed.
1034 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1036 * loop.h (struct loop_info): Define new structure.
1037 (precondition_loop_p): Added prototype.
1038 (unroll_loop): Added new argument loop_info to prototype.
1039 (final_biv_value, final_giv_value): Added new argument n_iterations
1041 * loop.c (strength_reduce): Declare new structure loop_iteration_info
1042 and new pointer loop_info.
1043 (loop_n_iterations): Replace global variable by element in
1044 loop_info structure.
1045 (check_final_value): New argument n_iterations.
1046 (insert_bct): New argument loop_info.
1047 (loop_unroll_factor): Replace global array by element in
1048 loop_info structure.
1049 (loop_optimize): Remove code to allocate and initialise
1050 loop_unroll_factor_array.
1051 * unroll.c (precondition_loop_p): No longer static since
1052 used by branch on count optimization.
1053 (precondition_loop_p, unroll_loop): New argument loop_info.
1054 (final_biv_value, final_giv_value, find_splittable_regs): New
1055 argument n_iterations.
1056 (loop_iteration_var, loop_initial_value, loop_increment,
1057 loop_final_value, loop_comparison_code, loop_unroll_factor):
1058 Replaced global variables by loop_info structure.
1059 (loop_unroll_factor): Replace global array by element in
1060 loop_info structure.
1062 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1064 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
1067 * unroll.c (precondition_loop_p): Return loop_initial_value
1068 for initial_value instead of loop_iteration_var.
1070 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1072 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
1073 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
1074 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
1075 to output the instruction sequences.
1077 (rptb_top): Provide alternatives to use any register or memory
1079 (rptb_end): Emit use of operands rather than assigning them
1080 explicitly to the RS and RE registers.
1082 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1084 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
1085 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
1086 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
1087 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
1088 c4x_merge_notes, c4x_parallel_process,
1089 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
1090 c4x_combine_parallel): Delete.
1092 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1094 * config/c4x/c4x.c: (c4x_override_options): For compatibility
1095 with old target options clear flag_branch_on_count_reg if
1096 -mno-rptb specified and set flag_argument_alias is -mno-aliases
1098 (c4x_output_cbranch): Handle a sequence of insns rather than a
1100 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
1101 has not been allocated as the loop counter.
1102 (c4x_address_conflict): Do not allow two volatile memory references.
1103 (valid_parallel_operands_4, valid_parallel_operands_5,
1104 valid_parallel_operands_6): Reject pattern if the register destination
1105 of the first set is used as part of an address in the second set.
1107 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1109 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
1110 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
1111 is no longer enabled if PARALLEL_MPY_FLAG set.
1112 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
1113 (REG_CLASS_CONTENTS): Add braces around initializers.
1114 (HAVE_MULTIPLE_PACK): Define.
1115 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
1116 REAL_VALUE_TO_DECIMAL.
1117 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
1118 REAL_VALUE_TO_DECIMAL.
1119 (ar0_reg_operand): Add prototype.
1120 (ar0_mem_operand): Likewise.
1121 (ar1_reg_operand): Likewise.
1122 (ar1_mem_operand): Likewise.
1123 (ar2_reg_operand): Likewise.
1124 (ar2_mem_operand): Likewise.
1125 (ar3_reg_operand): Likewise.
1126 (ar3_mem_operand): Likewise.
1127 (ar4_reg_operand): Likewise.
1128 (ar4_mem_operand): Likewise.
1129 (ar5_reg_operand): Likewise.
1130 (ar5_mem_operand): Likewise.
1131 (ar6_reg_operand): Likewise.
1132 (ar6_mem_operand): Likewise.
1133 (ar7_reg_operand): Likewise.
1134 (ar7_mem_operand): Likewise.
1135 (ir0_reg_operand): Likewise.
1136 (ir0_mem_operand): Likewise.
1137 (ir1_reg_operand): Likewise.
1138 (ir1_mem_operand): Likewise.
1139 (group1_reg_operand): Likewise.
1140 (group1_mem_operand): Likewise.
1141 (ir1_reg_operand): Likewise.
1142 (arx_reg_operand): Likewise.
1143 (not_rc_reg): Likewise.
1144 (not_modify_reg): Likewise.
1145 (c4x_group1_reg_operand): Remove prototype.
1146 (c4x_group1_mem_operand): Likewise.
1147 (c4x_arx_reg_operand): Likewise.
1149 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
1151 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
1152 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
1154 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1156 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
1159 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1161 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
1162 unless FMOVD_WORKS is defined.
1164 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1166 * regclass.c (init_reg_sets): Move code that calculates tables
1167 dependent on reg_class_contents from here...
1168 (init_reg_sets_1): To here.
1170 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1172 * cpplib.h: Delete struct import_file. Add ihash element to
1173 struct cpp_buffer. Delete dont_repeat_files and
1174 import_hash_table elements from cpp_reader; change
1175 all_include_files to a hash table. Delete all foobar_include
1176 / last_foobar_include elements from struct cpp_options; put
1177 back four such: quote_include, bracket_include,
1178 system_include, after_include. Redo struct file_name_list
1179 completely. Add new structure type include_hash. Add
1180 prototypes for merge_include_chains and include_hash. Change
1181 prototypes for finclude, find_include_file, and
1182 append_include_chain to match changes below.
1184 * cppfiles.c (simplify_pathname, include_hash,
1185 remap_filename, merge_include_chains): New functions.
1186 (add_import, lookup_import, open_include_file): Removed.
1187 (INO_T_EQ): Define this (copied from cccp.c).
1188 (hack_vms_include_specification): Remove all calls and #if 0
1189 out the definition. It was being called incorrectly and at
1190 the wrong times. Until a VMSie can look at this, it's better
1191 to not pretend to support it.
1192 (append_include_chain): Change calling convention; now takes
1193 only one directory at a time, and sets up the data structure
1195 (redundant_include_p): Rewritten - this is now used for all
1196 include redundancy, whether by #ifndef, #import, or #pragma
1197 once. Looks up things in the include hash table.
1198 (file_cleanup): Decrement pfile->system_include_depth here if
1200 (find_include_file): Calling convention changed; now passes
1201 around a struct include_hash instead of 3 separate parameters.
1202 Guts ripped out and replaced with new include_hash mechanism.
1203 (finclude): Calling convention changed as for
1204 find_include_file. Error exits pulled out-of-line. Reformat.
1205 (safe_read): Return a long, not an int.
1206 (deps_output): Don't recurse.
1208 * cpplib.c (is_system_include): Deleted.
1209 (path_include): Fix up call to append_include_chain.
1210 (do_include): Fix up calls to find_include_file and finclude.
1211 Clean up dependency output a bit. Shorten obnoxiously lengthy
1212 #import warning message. Don't decrement
1213 pfile->system_include_depth here.
1214 (do_pragma): Understand the include_hash structure. Reformat.
1215 (do_endif): Correct handling of control macros. Understand
1217 (cpp_start_read): Fix up calls to finclude. Call
1218 merge_include_chains.
1219 (cpp_handle_option): Fix up calls to append_include_chain.
1220 Understand the four partial include chains.
1221 (cpp_finish): Add debugging code (#if 0-ed out) for the
1223 (cpp_cleanup): Free the include_hash, not the import hash and
1224 the all_include and dont_repeat lists which no longer exist.
1226 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
1228 * toplev.c (no_new_pseudos): Define.
1229 (rest_of_compilation): Set no_new_pseudos as needed.
1230 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
1231 if no_new_pseudos is set.
1232 * rtl.h (no_new_pseudos): Declare it.
1233 * reload1.c (reload): Update comments.
1234 * md.texi: Corresponding changes.
1236 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1238 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
1239 (choose_reload_regs): Rename it here as well. When computing it,
1240 also merge in used hardregs.
1242 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1244 * gcc.c: Split out Objective-C specs to...
1245 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
1248 * c-lex.c (init_parse): Always initialize the filename global.
1249 * objc/objc-act.c (lang_init): Always call check_newline at
1252 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
1254 * reload1.c (reload): Remove unused variable.
1255 (reload_reg_free_for_value_p): Add missing parameter definition.
1257 * jump.c (jump_optimize): Remove unused variable.
1259 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
1261 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
1263 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
1265 * expr.c (move_by_pieces): Similarly.
1266 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
1267 * flow.c (find_auto_inc): Similarly.
1268 (try_pre_increment): Similarly.
1269 * loop.c (strength_reduce): Similarly.
1270 * regclass.c (auto_inc_dec_reg_p): Similarly.
1271 * regmove.c (try_auto_increment): Similarly.
1272 (fixup_match_1): Similarly.
1273 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
1274 (HAVE_PRE_DECREMENT): Similarly.
1275 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
1276 * Corresponding changes to all target header files.
1277 * tm.texi: Update docs for autoinc addressing modes.
1279 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
1281 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
1282 * configure: Rebuild.
1283 * config/elfos.h: New file.
1284 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
1285 config/m68k/t-m68kelf: New file.
1287 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
1289 * Makefile.in (HOST_AR): Define.
1290 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
1291 (libcpp.a): Use the host tools explicitly.
1292 (STAGESTUFF): Add libcpp.a.
1294 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
1296 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
1297 to source and destination registers.
1299 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
1301 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
1302 The strategy we now use is to pre allocate the top_elt along
1303 with the EH context so that each thread has its own top_elt.
1304 This is necessary as the dynmanic cleanup chain is used on the
1305 top element of the stack and each thread MUST have its own.
1306 (eh_context_static): Likewise.
1307 (new_eh_context): Likewise.
1308 (__sjthrow): Likewise.
1310 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
1312 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
1313 * i386.md (prologue_get_pc): Remove unused variable.
1315 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
1317 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
1319 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
1321 * Makefile.in (OBJS): Add graph.o
1322 (graph.o): New dependency list.
1323 * flags.h: Declare dump_for_graph and define graph_dump_types type.
1324 * print-rtl.c (dump_for_graph): Define new variable.
1325 (print_rtx): Rewrite to allow use in graph dumping functions.
1326 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
1327 finish_graph_dump_file.
1328 Define graph_dump_format.
1329 (compile_file): If graph dumping is enabled also clear these files.
1330 Finish graph dump files.
1331 (rest_of_compilation): Also dump graph information if enabled.
1332 (main): Recognize -dv to enabled VCG based graph dumping.
1333 * graph.c: New file. Graph dumping functions.
1335 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
1337 * configure.in: Look for <sys/stat.h>.
1338 * system.h: Include it before substitute S_ISREG definitions.
1340 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
1342 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
1343 * config/mips/iris6.h: Same.
1344 * config/mips/mips.md: Same.
1345 * config/mips/mips.c: Same; also add "-mabi=o64" option.
1346 * config/mips/mips.h: Same; also define ABI_O64.
1348 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1350 * configure.in: Use AC_PREREQ(2.12.1).
1352 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
1354 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
1355 * cpplib.c, gcc.c: Likewise.
1356 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
1358 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
1360 * local-alloc.c (local_alloc): Use malloc not alloca for
1361 reg_qty, reg_offset, ref_next_in_qty.
1363 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1365 * caller-save.c (insert_one_insn): Initialize the live_before and
1366 live_after register sets.
1370 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
1371 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
1372 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
1373 (fp_reg_names, assembler_dialect): New variables.
1374 (print_operand_address): Handle SUBREGs.
1375 (print_operand): Added 'o' case.
1376 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
1377 Name of FP registers depends on mode.
1378 (expand_block_move): Emit different code for SH4 hardware.
1379 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
1380 (from_compare): Likewise.
1381 (add_constant): New argument last_value. Changed all callers.
1382 (find_barrier): Don't try HImode load for FPUL_REG.
1383 (machine_dependent_reorg): Likewise.
1384 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
1385 (gen_far_branch): Emit a barrier after the new jump.
1386 (barrier_align): Don't trust instruction lengths before
1388 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
1389 Use auto-inc addressing for fp registers if doubles need to
1390 be loaded in two steps.
1391 Set sh_flag_remove_dead_before_cse.
1392 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
1393 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
1394 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
1395 Support for FIRST_XD_REG .. LAST_XD_REG.
1396 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
1397 (sh_expand_epilogue): Likewise.
1398 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
1399 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
1400 (arith_reg_operand): FPUL_REG is OK for SH4.
1401 (fp_arith_reg_operand, fp_extended_operand) New functions.
1402 (tertiary_reload_operand, fpscr_operand): Likewise.
1403 (commutative_float_operator, noncommutative_float_operator): Likewise.
1404 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
1405 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
1406 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
1407 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
1408 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
1409 (CONDITIONAL_REGISTER_USAGE): Likewise.
1410 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
1411 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
1412 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
1413 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
1414 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
1415 to -1 and sh_flag_remove_dead_before_cse to 1.
1416 (ASSEMBLER_DIALECT): Define to assembler_dialect.
1417 (assembler_dialect, fp_reg_names): Declare.
1418 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
1419 Hide names of registers that are not accessible.
1420 (CACHE_LOG): Take TARGET_CACHE32 into account.
1421 (LOOP_ALIGN): Take TARGET_HARWARD into account.
1422 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
1423 (FIRST_PSEUDO_REGISTER: Now 49.
1424 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
1425 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
1426 (HARD_REGNO_MODE_OK): Update.
1427 (enum reg_class): Add DF_REGS and FPSCR_REGS.
1428 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
1429 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
1430 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
1431 (NPARM_REGS): Eight floating point parameter registers on SH4.
1432 (BASE_RETURN_VALUE_REG): SH4 also passes double values
1433 in floating point registers.
1434 (GET_SH_ARG_CLASS) Likewise.
1435 Complex float types are also returned in float registers.
1436 (BASE_ARG_REG): Complex float types are also passes in float registers.
1437 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
1438 (LIBCALL_VALUE): Remove trailing semicolon.
1439 (ROUND_REG): Round when double precision value is passed in floating
1441 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
1442 passed on the stack.
1443 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
1444 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
1445 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
1446 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
1447 (MODE_DISP_OK_8): Not for SH4 DFmode.
1448 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
1449 Allow indexed addressing for PSImode after reload.
1450 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
1451 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
1452 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
1453 (DOUBLE_TYPE_SIZE): 64 for SH4.
1454 (RTX_COSTS): Add PLUS case.
1455 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
1456 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
1457 MAC_REGS, PR_REGS, DF_REGS.
1458 (REGISTER_NAMES): Use fp_reg_names.
1459 (enum processor_type): Add PROCESSOR_SH4.
1460 (sh_flag_remove_dead_before_cse): Declare.
1461 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
1462 (PREDICATE_CODES): Add binary_float_operator,
1463 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
1464 fpscr_operand, noncommutative_float_operator.
1465 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
1466 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
1467 * sh.md (attribute cpu): Add value sh4.
1468 (attrbutes fmovd, issues): Define.
1469 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
1470 (function units memory, int, mpy, fp): Make dependent on issue rate.
1471 (function units issue, single_issue, load_si, load): Define.
1472 (function units load_store, fdiv, gp_fpul): Define.
1473 (attribute hit_stack): Provide proper default.
1474 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
1475 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
1476 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
1477 (mulsi3_call): Now uses match_operand for function address.
1478 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
1480 (push, pop, push_e, pop_e): Now define_expands.
1481 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
1482 (movsi_ie): Added y/i alternative.
1483 (ic_invalidate_line_i, movdf_i4): New insns.
1484 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
1485 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
1486 (movdf): Add special code for SH4.
1487 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
1488 (call_valuei, calli, call_value): Likewise.
1489 (movsf): Emit no-op move.
1490 (mov_nop, movsi_y): New insns.
1491 (blt, sge): generalize to handle DFmode.
1492 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
1493 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
1494 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
1495 (fpu_switch0, fpu_switch1, movpsi): New expanders.
1496 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
1497 (toggle_sz): New insn.
1498 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
1499 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
1500 (macsf3): Make use of fpscr visible. Disable for SH4.
1501 (floatsisf2): Make use of fpscr visible.
1502 (floatsisf2_i4): New insn.
1503 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
1504 (ieee_ccmpeqsf_t): Likewise.
1505 (fix_truncsfsi2): Emit different code for SH4.
1506 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
1507 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
1508 (negsf2, sqrtsf2, abssf2): Now expanders.
1509 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
1510 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
1511 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
1512 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
1513 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
1514 (fix_truncdfsi2_i4_2+1): New splitters.
1515 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
1516 (extendsfdf2, truncdfsf2): New expanders.
1517 (truncdfsf2_i4): New insn.
1518 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
1519 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
1520 * float-sh.h: When testing for __SH3E__, also test for
1521 __SH4_SINGLE_ONLY__ .
1522 * va-sh.h (__va_freg): Define to float.
1523 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
1524 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
1525 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
1526 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
1528 (TARGET_SH4_P): Define.
1531 * sh.md (movdf_k, movsf_i): Tweak the condition so that
1532 init_expr_once is satisfied about the existence of load / store insns.
1534 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
1535 change m constraint in source operand to mr / mf .
1537 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
1539 * (__VA_REEF): Define.
1540 (__va_arg_sh1): Use it.
1542 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
1544 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
1546 * i386/dgux.c (struct option): Add new "description field".
1547 * m88k/m88k.c (struct option): Likewise.
1549 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
1551 * version.c: Bump for snapshot.
1553 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1555 * regmove.c (regmove_profitable_p): Use return value of find_matches
1558 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
1560 * version.c: Bump for snapshot.
1562 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
1564 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
1565 without reload having been called earlier.
1567 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
1569 (v850_reorg): Similarly.
1571 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
1573 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1575 * loop.c (move_movables): Start of libcall might be new loop start.
1577 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1579 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
1581 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1583 * function.c (nonlocal_goto_handler_slots): Renamed from
1584 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
1585 (push_function_context_to): Adjust for this change.
1586 (pop_function_context_from): Likewise.
1587 (init_function_start): Likewise.
1588 (expand_function_end): Likewise.
1589 * function.h (struct function): Likewise.
1590 * calls.c (expand_call): Likewise.
1591 * explow.c (allocate_dynamic_stack_space): Likewise.
1592 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
1593 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
1595 (expand_goto): When doing a nonlocal goto, find corresponding handler
1596 slot for it. Don't put the label address in the static chain register.
1597 (expand_end_bindings): Break out nonlocal goto handling code into
1598 three new functions.
1599 (expand_nl_handler_label, expand_nl_goto_receiver,
1600 expand_nl_goto_receivers): New static functions, broken out of
1601 expand_end_bindings and adapted to create one handler per nonlocal
1603 * function.c (delete_handlers): Delete insn if it references any of
1604 the nonlocal goto handler slots.
1605 * i960.md (nonlocal_goto): Comment out code that modifies
1607 * sparc.md (nonlocal_goto): Likewise.
1608 (goto_handler_and_restore_v9): Comment out.
1609 (goto_handler_and_restore_v9_sp64): Comment out.
1611 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1613 * expr.c (STACK_BYTES): Delete unused macro.
1614 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
1615 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1616 (expand_call): Likewise.
1617 (emit_library_call): Likewise.
1618 (emit_library_call_value): Likewise.
1619 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
1620 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1621 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
1622 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1623 (allocate_dynamic_stack_space): Likewise.
1624 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
1625 (STACK_BOUNDARY): Update description to reflect the new situation.
1627 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
1629 * reorg.c (relax_delay_slots): When optimizing for code size, if a
1630 return with a filled delay slot is followed by a return with an
1631 unfilled delay slot, delete the first return and reemit the insn
1632 that was previously in its delay slot.
1634 * i860.c (single_insn_src_p): Add missing parens.
1635 * ginclude/math-3300.h: Likewise.
1637 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
1639 * regclass.c (init_reg_sets_1): Add prototype.
1640 (init_reg_modes): Likewise.
1642 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
1644 * c-common.c: Change warning messages to say `comparison is
1645 always true' or `comparison is always false' instead of the
1646 confusing `is always 0', `is always 1'.
1648 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
1650 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
1651 break instead of return (which loses closing '>').
1653 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
1655 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
1656 standard 387 constants.
1658 * i386.md (jump): Explicitly set "memory" attribute.
1659 (indirect_jump, prologue_set_stack_ptr): Likewise.
1660 (prologue_get_pc_and_set_got, pop): Likewise.
1661 (allocate_stack_worder, blockage, return_internal): Likewise.
1662 (return_pop_internal, nop): Likewise.
1663 (epilogue_set_stack_ptr, leave): Likewise.
1665 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
1667 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
1669 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1671 * reload1.c (reload_reg_free_for_value_p):
1672 Early auto_inc reloads don't conflict with outputs.
1674 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1676 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
1677 Instead call AC_HEADER_SYS_WAIT.
1679 * collect2.c: Don't provide defaults for sys/wait.h macros.
1681 * protoize.c: Likewise. Also, don't include sys/wait.h.
1683 * system.h: Include sys/wait.h and provide macro defaults.
1685 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1687 * Makefile.in (mandir): Set to @mandir@.
1688 (man1dir): New variable to hold the former value of $(mandir).
1689 Replace all uses of $(mandir) by $(man1dir).
1691 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
1693 * reload.c (find_reloads_address_part): If have a CONST_INT, create
1694 a new one before passing it to force_const_mem.
1696 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
1697 find_reloads_address call.
1699 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1701 * expr.c (store_expr): Don't generate load-store pair
1702 if TEMP is identical (according to ==) with TARGET.
1704 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1706 * reload1.c (reload_reg_free_for_value_p): When considered reload
1707 has an output, matching inputs are not sufficient to avoid conflict.
1709 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
1711 * hash.h (hash_table_key): New type.
1712 (hash_entry): Change `string' field to generic `key'.
1713 (hash_table): Add `comp' and `hash' functions.
1714 (hash_table_init): Take them as input.
1715 (hash_table_init_n): Likewise.
1716 (hash_lookup): Modify for generic keys.
1717 (hash_newfunc): Likewise.
1718 (hash_traverse): Likewise.
1719 (string_hash): New function.
1720 (string_compare): Likewise.
1721 (string_copy): Likewise.
1722 * hash.c (hash_table_init_n): Modify for generic keys.
1723 (hash_table_init): Likewise.
1724 (hash_lookup): Likewise.
1725 (hash_newfunc): Likewise.
1726 (hash_traverse): Likewise.
1727 (string_hash): Split out from hash_lookup.
1728 (string_compare): New function.
1729 (string_copy): Split out from hash_lookup.
1730 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
1732 (symbol_hash_lookup): Likewise.
1733 (file_hash_newfunc): Likewise.
1734 (file_hash_lookup): Likewise.
1735 (demangled_hash_newfunc): Likewise.
1736 (demangled_hash_lookup): Likewise.
1737 (tlink_int): Likewise.
1738 (read_repo_file): Likewise.
1739 (recompile_files): Likewise.
1740 (demangle_new_symbols): Likewise.
1741 (scan_linker_output): Likewise.
1743 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1745 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
1747 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
1749 * rs6000.c (output_mi_thunk): Improve test for local branch.
1751 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1753 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
1755 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1757 * reload1.c (reload_reg_free_before_p): Delete.
1758 Changed all callers to use reload_reg_free_for_value_p instead.
1759 (reload_reg_free_for_value_p): Handle more reload types.
1760 A RELOAD_FOR_INPUT doesn't conflict with its
1761 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
1762 Add special case for OUT == const0_rtx.
1763 Added ignore_address_reloads argument. Changed all callers.
1765 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
1767 * toplev.c (compile_file): Don't pedwarn about undefined static
1768 functions just because we passed -Wunused.
1770 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1772 * function.c (purge_addressof_1): Unshare rtl created by
1775 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1777 * regmove.c (regmove_optimize): Don't do anything but
1778 optimize_reg_copy[123] when flag_regmove is not set.
1780 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
1782 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
1783 value in paradoxical SImode result, rather than truncating midpoint.
1785 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
1787 * alpha.c (reg_not_elim_operand): New.
1788 * alpha.h (PREDICATE_CODES): Add it.
1789 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
1790 for the multiplicand.
1792 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
1794 * rs6000.md (movsf): Remove explicit secondary-reload-like
1795 functionality. Only truncate SFmode store if in FPR.
1796 (movsf splitters): Combine const_double splitters.
1797 (movsf_hardfloat): Add GPR support.
1799 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
1801 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
1802 deprecate -mlive-g0 and -mbroken-saverestore.
1803 * t-splet (MULTILIB_OPTIONS): Likewise.
1805 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
1806 in a leaf function. Clarify total_size/extra_size relationship.
1808 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
1810 * i386/cygwin32.asm: Delete.
1811 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
1812 * i386/cygwin32.h: Delete.
1813 * i386/cygwin.h: New file, renamed from cygwin32.h.
1814 * i386/t-cygwin32: Delete.
1815 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
1816 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
1817 * i386/x-cygwin32: Delete.
1818 * i386/x-cygwin: New file, renamed from x-cygwin32.
1819 * i386/xm-cygwin32: Delete.
1820 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
1821 renamed cygwin_ funcs for path translations.
1822 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
1823 * i386/winnt.c: Remove "32" from comment about cygwin.
1824 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
1825 * rs6000/cygwin32.h: Delete.
1826 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
1827 -D__CYGWIN__ to CPP_PREDEFINES.
1828 * rs6000/x-cygwin32: Delete.
1829 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
1830 * rs6000/xm-cygwin32: Delete.
1831 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
1833 * configure.in: Check for cygwin* instead of cygwin32. Account
1834 for the rename of cygwin-related config files to lose the "32"s.
1835 * configure: Regenerate.
1837 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
1838 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
1840 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
1842 * Makefile.in (JAVAGC): New macro.
1843 * configure: Rebuilt.
1844 * configure.in: Recognize --enable-java-gc argument. Subst
1847 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1849 Handle equivalences that have been obscured by gcse:
1851 * reload1.c (reload): Handle equivalences set up in multiple places.
1852 * local-alloc.c (reg_equiv_init_insns): New variable.
1853 (no_equiv): New function.
1854 (update_equiv_regs): Handle equivalences set up in multiple places.
1855 Don't ignore an insn just because its destination is likely to be
1858 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
1860 * except.c (expand_eh_return): Readd force_operand call lost in
1863 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
1865 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
1867 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1869 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
1871 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1873 * regmove.c (regmove_optimize): Fix error in last change.
1875 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
1877 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
1878 offset in the .mask pseudo to compensate for frame pointer adjustments.
1879 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
1880 word swap arguments moved to/from FP registers.
1881 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
1883 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
1885 * version.c: Bump for snapshot.
1887 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
1889 * version.c: Bump for snapshot.
1891 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
1893 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
1894 times, then it can not be completely replaced.
1896 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
1898 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
1900 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1902 * gansidecl.h: Prepend a "G" to the macro wrapping this file
1903 (to distinguish it from the macro wrapping ansidecl.h.)
1904 Include libiberty's ansidecl.h. Remove all redundant definitions.
1905 Define the PROTO() style macros in terms of the PARAMS() ones.
1908 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
1909 __STDC__, when deciding whether to use ANSI variable args.
1910 (emit_library_call_value): Likewise.
1912 * cccp.c (error): Likewise.
1913 (warning): Likewise.
1914 (error_with_line): Likewise.
1915 (warning_with_line): Likewise.
1916 (pedwarn): Likewise.
1917 (pedwarn_with_line): Likewise.
1918 (pedwarn_with_file_and_line): Likewise.
1921 * cexp.y (error): Likewise.
1922 (pedwarn): Likewise.
1923 (warning): Likewise.
1925 * collect2.c (fatal_perror): Likewise.
1929 * combine.c (gen_rtx_combine): Likewise.
1931 * cpperror.c (cpp_message): Likewise.
1932 (cpp_fatal): Likewise.
1934 * cpplib.c (cpp_error): Likewise.
1935 (cpp_warning): Likewise.
1936 (cpp_pedwarn): Likewise.
1937 (cpp_error_with_line): Likewise.
1938 (cpp_warning_with_line): Likewise.
1939 (cpp_pedwarn_with_line): Likewise.
1940 (cpp_pedwarn_with_file_and_line): Likewise.
1942 * cpplib.h: Don't define PARAMS() macro.
1944 * demangle.h: Likewise.
1946 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
1947 when deciding whether to use ANSI variable args.
1949 * emit-rtl.c (gen_rtx): Likewise.
1950 (gen_rtvec): Likewise.
1952 * final.c (asm_fprintf): Likewise.
1954 * fix-header.c (cpp_message): Likewise.
1956 (cpp_fatal): Likewise.
1958 * gcc.c (concat): Likewise.
1962 * genattr.c (fatal): Likewise.
1964 * genattrtab.c (attr_rtx): Likewise.
1965 (attr_printf): Likewise.
1968 * gencodes.c (fatal): Likewise.
1970 * genconfig.c (fatal): Likewise.
1972 * genemit.c (fatal): Likewise.
1974 * genextract.c (fatal): Likewise.
1976 * genflags.c (fatal): Likewise.
1978 * genopinit.c (fatal): Likewise.
1980 * genoutput.c (fatal): Likewise.
1983 * genpeep.c (fatal): Likewise.
1985 * genrecog.c (fatal): Likewise.
1987 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
1988 deciding whether to declare `tree_node' and `rtx_def'.
1990 * hash.h: Don't define stuff we get from gansidecl.h.
1992 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
1993 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
1994 whether to use ANSI variable args.
1997 * prefix.c (concat): Likewise.
2001 * system.h: Likewise.
2003 * toplev.c (error_with_file_and_line): Likewise.
2004 (error_with_decl): Likewise.
2005 (error_for_asm): Likewise.
2008 (warning_with_file_and_line): Likewise.
2009 (warning_with_decl): Likewise.
2010 (warning_for_asm): Likewise.
2011 (warning): Likewise.
2012 (pedwarn): Likewise.
2013 (pedwarn_with_decl): Likewise.
2014 (pedwarn_with_file_and_line): Likewise.
2016 (really_sorry): Likewise.
2018 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2019 whether to declare `tree_node' and `rtx_def'.
2021 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
2022 deciding whether to use ANSI variable args.
2023 (build_nt): Likewise.
2024 (build_parse_node): Likewise.
2026 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
2028 * version.c: Bump for snapshot.
2030 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2032 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
2034 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2036 * collect2.c (main, case 'b'): Use else if.
2038 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2040 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
2041 Arrange to include gansidecl.h in {ht}config.h & tm.h just
2042 before the config/ directory headers.
2043 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
2044 gansidecl.h in the list of dependencies.
2046 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
2047 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
2048 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
2049 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
2050 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
2051 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
2054 * cccp.c: Don't include gansidecl.h.
2056 * collect2.c: Likewise.
2057 * config/c4x/c4x.c: Likewise.
2058 * config/v850/v850.h: Likewise.
2059 * cppalloc.c: Likewise.
2060 * cpperror.c: Likewise.
2061 * cppexp.c: Likewise.
2062 * cppfiles.c: Likewise.
2063 * cpphash.c: Likewise.
2064 * cpplib.c: Likewise.
2065 * cppmain.c: Likewise.
2066 * cppulp.c: Likewise.
2067 * demangle.h: Likewise.
2068 * doprint.c: Likewise.
2069 * dyn-string.c: Likewise.
2070 * eh-common.h: Likewise.
2071 * fix-header.c: Likewise.
2072 * frame.c: Likewise.
2075 * gen-protos.c: Likewise.
2076 * gencheck.c: Likewise.
2077 * halfpic.h: Likewise.
2079 * machmode.h: Likewise.
2080 * mbchar.c: Likewise.
2081 * prefix.c: Likewise.
2082 * protoize.c: Likewise.
2083 * recog.h: Likewise.
2085 * scan-decls.c: Likewise.
2087 * varray.h: Likewise.
2089 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
2091 * i386.md (call_value_pop): If we're not popping anything,
2092 defer to call_value.
2093 (call_pop): Likewise defer to call.
2095 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
2097 * function.c (purge_addressof): Clear purge_addressof_replacements
2098 only after processing the whole function.
2100 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
2102 * reload1.c (reload): If we can not perform a particular elimination
2103 when we thought we could earlier, then we must always iterate through
2104 the loop at least one more time.
2106 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
2108 * alpha.c (add_operand): Simplify the CONST_INT match.
2109 (sext_add_operand): Correct typo in comparison by using
2110 CONST_OK_FOR_LETTER_P.
2111 * alpha.md (s?addq): Use sext_add_operand to allow the negative
2112 constant alternatives to be generated.
2113 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
2114 small constants, since the hw instructions do.
2116 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2118 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
2119 previous insn to store directly into our reload register, make sure
2120 that if the source of the previous insn is a reload register, its
2121 spill_reg_store and spill_reg_stored_to values are cleared.
2123 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
2125 * rs6000.md (floatunssidf2_internal splitter): Use base register
2126 operand, not hard-coded SP.
2128 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2130 * jump.c (calculate_can_reach_end): Fix thinko.
2132 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
2134 * reorg.c (fill_simple_delay_slots): Fix typo.
2136 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
2138 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
2140 * i386.md (extendsidi2): Use # in the output template.
2141 (extendsidi splitters): New splitters.
2143 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
2145 * configure.in: Use unknown-elf.h as tm_file for arm-elf
2147 * configure: Regenerate.
2149 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2151 * jump.c (init_label_info, delete_barrier_successors,
2152 mark_all_labels, delete_unreferenced_labels,
2153 delete_noop_moves, calculate_can_reach_end): New functions broken
2154 out of jump_optimize.
2155 (jump_optimize): Use them.
2157 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2159 * except.c (expand_fixup_region_end): Make sure outer context labels
2160 are not issued in an inner context during cleanups.
2162 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
2164 * alpha.md (addsi3, subsi3): No new temporaries once cse is
2167 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
2169 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
2170 to expose this midpoint to CSE.
2172 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2174 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
2176 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2178 * configure.in: Bring over gcc2 change of Nov 19 1997.
2180 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
2182 * toplev.c (output_lang_identify): Make definition dependent on
2183 ASM_IDENTIFY_LANGUAGE.
2185 * print-rtl.c (spaces): Make static.
2187 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
2189 * extend.texi: Clarify proper uses for register clobbers in asms.
2191 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2193 * recog.h (enum op_type): Define.
2194 (constrain_operands): Adjust prototype.
2195 (recog_op_type): Declare new variable.
2196 * recog.c (recog_op_type): New variable.
2197 (insn_invalid_p): Allow modifying an asm statement after reload.
2198 (extract_insn): Set up recog_op_type.
2199 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2200 Don't compute operand types, use recog_op_type.
2201 Use the information computed by extract_insn instead of the previous
2202 method of finding it by insn code number.
2203 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2204 * reorg.c (fill_slots_from_thread): Likewise.
2205 * reload1.c (reload_as_needed): Likewise.
2206 (gen_reload): Likewise.
2207 (inc_for_reload): Likewise.
2208 (reload_cse_simplify_operands): Likewise.
2209 Use the information computed by extract_insn instead of the previous
2210 method of finding it by insn code number.
2211 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
2213 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
2214 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
2215 Use the information computed by extract_insn instead of the previous
2216 method of finding it by insn code number.
2217 * regmove.c (find_matches): Likewise. Change meaning of the return
2218 value to be nonzero if the optimization can be performed, zero if
2219 not. All callers changed.
2220 Shorten some variable names to fix formatting problems.
2221 (regmove_optimize): Shorten some variable names to fix formatting
2223 Use the information computed by extract_insn instead of the previous
2224 method of finding it by insn code number.
2225 * regclass.c (scan_one_insn): Likewise.
2226 (record_reg_classes): Don't compute operand types, use recog_op_type.
2227 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
2228 recog_constraints instead.
2230 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
2232 * rtl.h (flow2_completed): Declare.
2233 * flow.c (flow2_completed): Definition.
2234 * toplev.c (rest_of_compilation): Set and clear flow2_completed
2237 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2239 * Makefile.in (libcpp.a): Ranlib libcpp.a
2241 * cppulp.c (user_label_prefix): Initialize.
2243 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
2245 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
2246 at a RETURN if current_function_sp_is_unchanging is set.
2248 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2250 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
2252 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
2254 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
2255 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
2256 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
2257 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
2258 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
2259 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
2261 (LIB_SPEC): Handle -mno-cyginw option.
2262 (LINK_SPEC): Handle -mdll.
2264 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2266 * reload.c (find_reloads): Fix test for usage by other reload
2267 to handle secondary reloads properly.
2269 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2271 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
2272 intermediate structure which has exactly the members provided by
2273 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
2274 static intermediate structure.
2276 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
2277 from the intermediate structure. Do the same analogous fix in
2278 the case where ELIMINABLE_REGS is not defined.
2280 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
2282 * pa.h (SELECT_SECTION): Fix thinko.
2284 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
2286 * dwarf2out.c (output_call_frame_info): Comments on last change.
2288 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
2290 * arm.c (add_constant): When taking the address of an item in the
2291 pool, get the mode of the item addressed.
2293 * arm.c (final_prescan_insn case INSN): If an insn doesn't
2294 contain a SET or a PARALLEL, don't consider it for conditional
2297 Restore ABI compatibility for NetBSD.
2298 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
2300 (RETURN_IN_MEMORY): Likewise.
2302 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
2304 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
2305 (m32r_output_block_move): Rewrite bytes < 4 handling.
2307 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2309 * configure.in: Call AC_FUNC_VFORK.
2311 * collect2.c: Define VFORK_STRING as a printable string for
2312 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
2313 defined, include vfork.h. If VMS is defined, define vfork()
2314 appropriately. Remove vfork check on USG, we're using autoconf.
2315 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
2316 checking locally what string to pass.
2317 (scan_prog_file): Likewise.
2318 (scan_libraries): Likewise.
2320 * gcc.c: Remove vfork check on USG, we're using autoconf.
2321 Besides, no calls to vfork/fork occur in this file.
2323 * protoize.c: Likewise.
2325 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2327 * configure.in (DEFAULT_LINKER): renamed from LD
2328 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
2329 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
2330 * configure: rebuilt
2332 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2334 * BUGS: fix the regexp for `more' to find the appropriate node.
2335 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
2337 * BUGS: added link to the WWW FAQ
2339 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
2341 * version.c: Bump for snapshot.
2343 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
2345 * From Christian Gafton:
2346 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
2347 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
2348 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
2350 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
2352 * c-common.c (c_get_alias_set): Allow all type-punning through
2353 unions. Don't get confused about the type of a bit-field, despite
2354 the antics of build_modify_expr.
2356 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
2358 * fixinc.sco: Paramaterize #include_next values.
2359 * fixinc/fixinc.sco: Likewise.
2361 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
2363 * toplev.c (rest_of_compilation): No longer set reload_completed.
2364 * reload1.c (reload): Set it here. Perform instruction splitting
2365 after reload has completed if we will be running the scheduler
2368 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
2370 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
2371 EH region if exceptions are enabled and we're performing cross
2373 (find_cross_jump): Exit loop if the insns are in different EH regions.
2375 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
2377 * dwarf2out.c (output_call_frame_info): Use
2378 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
2380 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2382 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
2383 * c-common.c (check_format_info): Don't check for the 'x'
2384 format character twice, instead check for 'x' and 'X'
2386 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
2388 * configure.in (assembler features): Also make gas is configured if
2389 we find it in the souce tree.
2391 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
2393 * i386.c (i386_comp_type_attributes): Compare whether the
2394 attributes are defined, not their tree nodes.
2396 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2398 * configure.in (gxx_include_dir): bitten by autoconf quoting
2400 * configure: rebuilt
2402 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2404 * configure.in: Ignore non-absolute value in $AS.
2406 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
2408 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
2410 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
2412 * configure.in (msdosdjgpp): Set exeext and target_alias.
2414 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2416 * flow.c (XNMALLOC): New macro.
2417 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
2419 (add_edge, add_edge_to_label): New static functions.
2420 (free_bb_memory): New function.
2421 (flow_delete_insn): Delete function.
2422 (basic_block_drops_in): Delete variable.
2423 (find_basic_blocks): Allocate and initialize basic_block_head,
2424 basic_block_succ. Don't allocate basic_block_drops_in.
2425 Call free_bb_memory at the beginning.
2426 (find_basic_blocks_1): Don't do multiple passes.
2427 Delete code to compute basic_block_drops_in.
2428 After calling make_edges, mark blocks reached by current block live.
2429 Update test for unreachable live blocks.
2430 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
2432 Simplify to call add_edge_to_label when a LABEL_REF is found.
2433 (make_edges): Simplify to call add_edge_to_label instead of
2434 mark_label_ref most of the time.
2435 Compute here whether control drops into the next block.
2436 (delete_unreachable_blocks): Return void. All callers changed.
2437 Delete unreachable blocks in reverse order.
2438 After deleting all unreachable blocks, renumber the remaining ones
2439 and update n_basic_blocks.
2440 (delete_block): Speed up deletion a bit.
2441 Don't set basic_block_drops_in for deleted blocks.
2442 (free_basic_block_vars): Don't free basic_block_drops_in.
2443 (life_analysis_1): Update to use new edge representation.
2444 (dump_flow_info): Delete code to print basic block info; call
2445 dump_bb_data instead.
2446 (compute_preds_succs): Delete code to recompute basic_block_drops_in
2447 and uid_block_number.
2448 Simply copy the previously computed cfg.
2449 (dump_bb_data): New arg LIVE_INFO. All callers changed.
2450 Print register lifetime information if LIVE_INFO is nonzero.
2451 * basic-block.h (dump_bb_data): Adjust prototype.
2452 * gcse.c (gcse_main): Update call to dump_bb_data.
2453 * rtl.h (free_bb_memory): Declare.
2454 * toplev.c (rest_of_compilation): Call free_bb_memory.
2456 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
2457 (update_eliminable_offsets): Don't compute it.
2458 (set_initial_elim_offsets): Don't initialize it.
2459 Break out some code into set_initial_label_offsets so the rest of
2460 this function can be called from reload_as_needed.
2461 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
2462 ELIMINABLE_REGS isn't.
2463 (set_initial_label_offsets): New function, broken out of
2464 set_initial_elim_offsets.
2465 (set_offsets_for_label): New function, broken out of set_label_offsets
2466 and reload_as_needed.
2467 (reload): Call the two new functions.
2468 (reload_as_needed): Call set_initial_elim_offsets instead of
2469 duplicating the code. Likewise for set_offsets_for_label.
2471 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
2472 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
2473 any hard reg, reg_reloaded_dead contains valid data.
2475 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
2477 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
2478 "stdcall" and "cdecl" attributes.
2480 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
2482 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
2483 handle deleted no-op moves of hard registers.
2484 * haifa-sched.c (update_flow_info): Likewise.
2486 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
2488 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
2489 of the sequences to reload the HILO register which do not actually
2492 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
2494 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
2496 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2498 * except.c (emit_eh_context): Make the EH context register stay alive
2499 at -O0 so stupid.c doesn't get confused.
2501 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2503 * emit-rtl.c (try_split): Do not try to split a BARRIER.
2505 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
2506 Jeffrey A Law (law@cygnus.com)
2508 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
2509 (zero_extendsidi2): Use # in output template and handle completely by
2511 (zero_extend splitters): New define_splits.
2512 (ashiftrt_32): New pattern.
2514 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2516 * tree.c (append_random_chars): New fn.
2517 (get_file_function_name_long): Use it.
2519 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
2521 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
2522 (LIBCPP_OBJS): New. Add cppulp.o.
2523 (cppmain, fix-header): Depend on and use libcpp.a.
2524 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
2525 of the individual object files.
2526 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
2529 * cccp.c (user_label_prefix): New.
2530 (main): Set it off -f*leading-underscore.
2531 (special_symbol): Use it.
2532 * cpplib.c (special_symbol): Likewise.
2533 (cpp_handle_option): Handle -f*leading-underscore.
2534 * cppulp.c: New file.
2536 * output.h (user_label_prefix): Declare it.
2537 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
2538 * toplev.c (f_options, main): Handle -f*leading-underscore.
2540 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
2541 referencing USER_LABEL_PREFIX directly.
2542 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
2543 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
2544 * final.c (asm_fprintf): Use user_label_prefix instead.
2545 * arm/thumb.c (thumb_print_operand): Likewise.
2547 * gcc.c (default_compilers): Pass -f*leading-underscore on to
2548 cpp wherever appropriate.
2550 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
2552 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
2553 specific compiler switches.
2555 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
2557 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
2560 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2562 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
2563 structure which has exactly the members provided by EXTRA_SPECS.
2564 Xmalloc() the real `extra_specs', and initialize it from this
2565 intermediate structure.
2567 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
2569 * mips.h (EXTRA_SPECS): Likewise.
2571 * sparc.h (EXTRA_SPECS): Likewise.
2573 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2575 * function.c (purge_addressof_1): Instead of aborting when a
2576 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
2577 work just put the ADDRESSOF on stack. Otherwise remember all such
2578 successfull replacements, so that exactly the same replacements
2579 can be made on the REG_NOTEs. Remove the special case for CALL
2581 (purge_addressof_replacements): New variable.
2582 (purge_addressof): Clear it at end.
2584 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2586 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
2587 (lang_init): Call check_newline always.
2588 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
2589 cpp_start_read, set yy_cur and yy_lim to read from
2590 parse_in.token_buffer, so that we'll see the first #line
2592 * cpplib.c (cpp_start_read): finclude the main input file
2593 before processing -include/-imacros. Process -imacros and
2594 -include separately, and handle -include by stacking a
2595 buffer for the file in question as if it'd been #included.
2596 * toplev.c (documented_lang_options) Recognize -H when
2599 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2601 * cpplib.c: Merge do_once into do_pragma. Break file handling
2602 code out of do_include.
2603 Move append_include_chain, deps_output,
2604 file_cleanup, redundant_include_p, import_hash,
2605 lookup_import, add_import, read_filename_string, read_name_map,
2606 open_include_file, finclude, safe_read to cppfiles.c.
2607 Move prototypes for deps_output, append_include_chain,
2608 finclude to cpplib.h. Move definition of struct
2609 file_name_list there also.
2611 * cppfiles.c: New file. Contains all the above functions
2612 broken out of cpplib.c; also hack_vms_include_specification
2613 from cccp.c and find_include_file, a new function broken out of
2616 * Makefile.in (cppmain): Depend on cppfiles.o.
2617 (fix-header): Likewise.
2618 (cppfiles.o): New target.
2619 * configure.in (--enable-c-cpplib): Add cppfiles.o to
2620 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
2622 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
2624 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
2625 if pending_types is non-zero.
2626 (dwarfout_finish): Verify pending_types is zero before finishing.
2628 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
2630 * expr.c (convert_move): Use shifts to perform the move if a
2631 suitable extend pattern cannot be found. Code written by
2632 Richard Henderson <rth@cygnus.com>.
2634 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2636 * regclass.c (renumber, regno_allocated): New static variables, moved
2637 out of allocate_reg_info.
2638 (allocate_reg_info): Move these two variables outside the function.
2639 Move code to free memory into new function free_reg_info.
2640 (free_reg_info): New function, broken out of allocate_reg_info.
2641 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
2642 * rtl.h (allocate_reg_info): Don't declare.
2643 (free_reg_info): Declare.
2645 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
2647 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
2649 * toplev.c (compile_file): Temporarily revert last change.
2651 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2653 * c-typeck.c (convert_for_assignment): Parenthesize.
2655 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2657 * reload1.c (delete_output_reload): Avoid ambigous else.
2659 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
2661 * toplev.c (compile_file): Call allocate_reg_info to free register
2663 * rtl.h (allocate_reg_info): Declare.
2665 * PROJECTS: Remove entry for local spilling.
2667 * final.c (cleanup_subreg_operands): New function.
2668 (final_scan_insn): Use it.
2669 (alter_subreg): Clear the "used" field when we turn a SUBREG into
2671 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
2672 operands when reload has finished.
2673 * reload.h (cleanup_subreg_operands): Declare..
2674 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
2675 reload. Handled in reload itself.
2677 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2679 * reload1.c (verify_initial_offsets): New function.
2680 (reload): Call it after reload_as_needed. Also verify that the frame
2681 size stays constant during reload_as_needed.
2682 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
2684 * reload.h (struct insn_chain): Add need_operand_change element.
2685 * reload1.c (new_insn_chain): Clear it.
2686 (calculate_needs_all_insns): Set it; don't overload need_reload.
2687 (reload_as_needed): Use it.
2689 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
2690 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
2691 and reload_address_index_reg_class.
2692 (find_reloads_address_1): Likewise.
2693 * reload.h (reload_address_base_reg_class,
2694 reload_address_index_reg_class): Don't declare.
2695 * reload1.c (reg_old_renumber, pseudo_previous_regs,
2696 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
2697 (used_spill_regs): Now static.
2698 (reload_address_base_reg_class, reload_address_index_reg_class,
2699 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
2700 basic_block_needs, max_needs, group_size, group_mode, max_groups,
2701 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
2704 (init_reload): Delete code to compute base/index reg classes.
2705 (reload): Delete variable J.
2706 Delete code to manage basic_block_needs.
2707 Don't compute regs_explicitly_used.
2708 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
2709 pseudo_previous_regs.
2710 Initialize bad_spill_regs_global.
2711 Don't call order_regs_for_reload here.
2712 Don't initialize spill_reg_order and n_spills.
2713 Don't forbid explicitly used regs to be used for spill regs.
2714 Change main loop to infinite loop, with explicit break statements.
2715 Make SOMETHING_CHANGED variable local to that loop.
2716 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
2717 max_groups_insn, max_nongroups_insn, group_size, group_mode.
2718 Make sure spilled_speudos is cleared before calling spill_hard_reg or
2720 Don't call dump_needs.
2721 Delete code to reset potential_reload_regs.
2722 Delete code to terminate loop conditional on the global needs variables
2723 showing no further needs.
2724 (calculate_needs_all_insns): Return void. All callers changed.
2725 Initialize somehing_needs_elimination here, not in reload.
2726 Delete avoid_return_reg kludge.
2727 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
2728 All callers changed.
2729 Initialize the group_mode and group_size elements of the arg CHAIN.
2730 Delete code to manage basic_block_needs.
2731 Operate on elements of CHAIN instead of global variables.
2732 Delete avoid_return_reg kludge.
2733 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
2734 All callers changed.
2735 Operate on elements of CHAIN instead of global variables.
2736 Delete special SMALL_REGISTER_CLASSES code.
2737 Delete spill_failure code; now in new_spill_reg.
2738 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
2739 All callers changed.
2740 Operate on elements of CHAIN instead of global variables.
2741 (maybe_mark_pseudo_spilled): New static function.
2742 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
2743 All callers changed.
2744 Operate on elements of CHAIN instead of global variables.
2745 Call order_regs_for_reload here, not in reload.
2746 Initialize spill_reg_order and n_spills.
2747 Simplify test whether an asm insn is involved.
2748 Delete spill_failure code; now in new_spill_reg.
2749 Call maybe_mark_pseudo_spilled for everything marked as live in
2750 CHAIN. Merge CHAIN's used_spill_regs into the global variable
2752 (dump_needs): Take CHAIN arg. No longer static, to prevent the
2753 compiler from optimizing this function (now unused) away.
2754 Operate on elements of CHAIN instead of global variables.
2755 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
2757 Operate on elements of CHAIN instead of global variables.
2758 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
2759 take CHAIN arg. All callers changed.
2760 Operate on elements of CHAIN instead of global variables.
2761 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
2762 CHAIN, NONGROUP args. Return void. All callers changed.
2763 Verify caller isn't trying to spill a pseudo.
2764 Simplify test for illegal reg, just use bad_spill_regs.
2765 Generate better error messages.
2766 Operate on elements of CHAIN instead of global variables.
2767 Mark spilled register in CHAIN's used_spill_regs element.
2768 Don't call spill_hard_reg.
2769 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
2770 Mark spilled hard regs in bad_spill_regs_global.
2771 Mark affected pseudos in spilled_pseudos, but don't spill them.
2772 (ior_hard_reg_set): New static function.
2773 (finish_spills): Return int. All callers changed.
2774 Compute spill_reg_order, n_spills and spill_regs here. Also update
2775 regs_ever_live for regs used as spills.
2776 For every pseudo in spilled_pseudos, spill it and mark the previous
2777 hard reg it had in pseudo_previous_regs. Compute which hard regs
2778 arseudo): New static function.
2779 (order_regs_for_reload): Take CHAIN arg. All callers changed.
2780 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
2781 hard registers explicitly used across the current insn into the set.
2782 Compute hard_reg_n_uses taking only pseudos live across this insn
2784 Tweak sorting of potential_reload_regs.
2785 (compare_spill_regs): Delete function.
2786 (reload_as_needed): Don't sort the spill_regs array, it's computed
2787 in proper order in finish_spills.
2788 Delete avoid_return_reg kludge.
2789 Delete code to manage basic_block_needs.
2790 (allocate_reload_reg): Minor speed/readability tweaks.
2791 Operate on elements of CHAIN instead of global variables.
2792 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
2793 Delete avoid_return_reg kludge.
2794 Initialize reload_reg_used from CHAIN's used_spill_regs element.
2795 Delete unused label FAIL.
2796 (reload_combine): Replce reload_address_index_reg_class with
2798 Don't use used_spill_regs to determine information about lifetime of
2801 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
2803 * toplev.c (display_help): Ignore empty target specific
2804 options, and if -W is also specified on the command line then
2805 display undocumented options.
2807 * config/arm/arm.c: Updated with changes in devo sources.
2808 * config/arm/arm.h: Updated with changes in devo sources.
2809 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
2810 * config/arm/lib1thumb.asm: Add ELF support.
2812 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
2814 * collect2.c (aix64_flag): New variable.
2815 (main, case 'b'): Parse it.
2816 (GCC_CHECK_HDR): object magic number must match mode.
2817 (scan_prog_file): Only check for shared object if valid header.
2818 Print debugging if header/mode mismatch.
2820 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
2822 Added support for arm-elf-linux configuration, submitted by Philip
2823 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
2824 code developed by Catherine Moore <clm@cygnus.com>. The following
2827 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
2830 * configure: Regenerated.
2832 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
2833 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
2834 definitions conditional on their not having been already defined.
2836 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
2837 and .type directives, and add "(PLT)" qualification to function
2840 * config/arm/linux.h: Deleted. This file is now superceeded by
2841 either linux-elf.h or linux-aout.h.
2843 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
2844 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
2846 Move definitions from old linux.h file here.
2848 * config/arm/elf.h: New file. Generic ARM/ELF support.
2850 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
2852 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
2854 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
2855 using the 26bit APCS.
2857 * config/arm/unknown-elf.h: New file. Support for OS'es other
2858 than Linux with ELF.
2860 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
2863 * config/arm/coff.h: Include aout.h for basic assembler macros.
2864 Add support for -mstructure_size_boundary=<n> command line option.
2866 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
2867 command line option. Make macro definitions conditional on their
2868 not having been already defined.
2870 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
2871 command line option.
2874 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
2876 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
2877 has been changed to not include a newline. Use this macro instead.
2878 (output_enumeral_list, const_value_attribute, name_attribute,
2879 comp_dir_attribute, prototyped_attribute, producer_attribute,
2880 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
2881 dwarfout_file_scope_decl, generate_new_sfname_entry,
2882 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
2883 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
2885 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
2887 * combine.c (subst): Process the inputs to a parallel asm_operands
2890 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
2892 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
2894 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
2896 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
2898 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
2900 * version.c: Bump for snapshot.
2902 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
2904 * stmt.c (expand_fixup): Set fixup->before_jump to a
2905 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
2907 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2909 * Makefile.in (recog.o): Depend on toplev.h.
2910 (insn-emit.o): Depend on recog.h.
2911 (insn-peep.o): Depend on recog.h and insn-config.h.
2913 * combine.c (simplify_set): Remove unused variable `scratches'.
2915 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
2916 and `idx' in macro conditional controlling their use.
2918 * genemit.c (main): Make the generated output file include
2919 recog.h. Don't have it declare `insn_operand_constraint', since
2920 we get it from recog.h.
2922 * genpeep.c (main): Make the generated output file include
2923 insn-config.h and recog.h.
2925 * recog.c: Include toplev.h.
2926 (extract_insn): Remove unused variable `p'.
2928 * regclass.c (fix_register): Add missing braces around initializer
2930 (allocate_reg_info): Move variable `i' into the scope where it is
2931 used. Change its type to `size_t'.
2933 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2935 * reload.c (push_reload): When merging reloads, make sure
2936 that reload_in_reg and reload_in are from the same reload in
2939 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
2941 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
2942 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
2944 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
2946 * loop.c (loop_has_tablejump): New variable.
2947 (prescan_loop): Scan for it.
2948 (insert_bct): Replace explicit scan with use of it.
2949 * regclass.c (regclass): Restore loop variable j.
2950 (record_reg_classes): Deterine op_types modifiers and initialize
2951 classes[i] before matching constraints. Handle matching
2954 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
2956 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
2959 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2961 * mips.h (EXTRA_SPECS): Add missing initializers.
2963 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2965 * sparc.h (EXTRA_SPECS): Add missing initializers.
2966 (sparc_defer_case_vector): Provide a prototype.
2968 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
2969 comparing it to the result of a pointer subtraction.
2971 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2973 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
2974 the argument to (unsigned char).
2976 * alpha.h (EXTRA_SPECS): Add missing initializers.
2977 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
2980 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
2982 * flow.c (life_analysis_1): Enable "rescan" code after reload.
2983 (propagate_block): Delete dead code after reload.
2985 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
2986 back Oct 15, 1998 change.
2987 * haifa-sched.c (update_flow_info): Likewise.
2988 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
2990 * mn10200.md (truncated shift): Accept constant inputs too.
2992 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
2994 * machmode.h (mode_mask_array): No longer const.
2995 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
2997 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2999 * frame.c: Somewhat explain `FDE'.
3000 Suggested by Brendan Kehoe
3002 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
3004 * expr.c (pending_chain): Move up.
3005 (save_expr_status): Do save pending_chain.
3006 (restore_expr_status): And restore it.
3007 * function.h (struct function): Add pending_chain.
3009 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3011 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
3012 did not match the code.
3014 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3016 * regclass.c (regclass): Break out some code into new function
3017 scan_one_insn, and into regclass_init.
3018 (init_cost): New static variable, moved out of regclass.
3019 (regclass_init): Initialize it here, not in .
3020 (scan_one_insn): New static function, broken out of regclass.
3021 * recog.c (apply_change_group): Break out some code into new
3022 function insn_invalid_p.
3023 (insn_invalid_p): New static fn, broken out of apply_change_group.
3025 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
3027 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
3028 reg_reloaded_contents matches incremented pseudo.
3030 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
3032 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3034 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
3035 addressing modes with side effects. These are currently
3036 placeholders for the C4x target.
3038 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3040 * loop.c (express_from): Make sure that when generating a PLUS of
3041 a PLUS, any constant expression appears on the outermost PLUS.
3043 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
3045 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
3046 works if "$(srcdir)" != ".".
3048 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
3050 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
3051 existing SUBREG if we can, otherwise abort.
3053 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
3055 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
3056 `restrict' is applied to a non-pointer variable.
3058 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
3060 * invoke.texi: Document -flang-isoc9x.
3062 * Makefile.in (OBJS): Add splay-tree.o.
3063 (c-common.o): Depend on rtl.h.
3064 (splay-tree.o): List dependencies and provide build rule.
3066 * rtl.h (record_alias_subset): New function.
3067 * alias.c: Include splay-tree.h.
3068 (alias_set_entry): New type.
3069 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
3070 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
3071 (mems_in_disjoin_alias_sets_p): New function.
3072 (alias_set_compare): Likewise.
3073 (insert_subset_children): Likewise.
3074 (get_alias_set_entry): Likewise.
3076 * tree.h (TYPE_RESTRICT): New macro.
3077 (TYPE_UNQUALIFIED): New manifest constant.
3078 (TYPE_QUAL_CONST): Likewise
3079 (TYPE_QUAL_VOLATILE): Likewise.
3080 (TYPE_QUAL_RESTRICT): Likewise.
3081 (tree_type): Add restrict_flag. Reduce count of free bits.
3082 (DECL_POINTER_ALIAS_SET): New macro.
3083 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
3084 (tree_decl): Add pointer_alias_set.
3085 (build_qualified_type): New function.
3086 (build_type_variant): Define in terms of build_qualified_type.
3087 * tree.c (set_type_quals): New function.
3088 (make_node): Initializae DECL_POINTER_ALIAS_SET.
3089 (build_type_attribute_variant): Use build_qualified_type and
3091 (build_type_variant): Rename, and modify, to become...
3092 (build_qualified_type): New function.
3093 (build_complex_type): Use set_type_quals.
3095 * c-tree.h (C_TYPE_OBJECT_P): New macro.
3096 (C_TYPE_FUNCTION_P): Likewise.
3097 (C_TYPE_INCOMPLETE_P): Likewise.
3098 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
3099 (c_apply_type_quals_to_decl): New function.
3100 (c_build_qualified_type): New function.
3101 (c_build_type_variant): Define in terms of c_build_qualified_type.
3102 (flag_isoc9x): Declare.
3103 * c-typeck.c (qualify_type): Use c_build_qualified_type.
3104 (common_type): Change to use TYPE_QUALS.
3105 (comptypes): Likewise.
3106 (convert_for_assignment): Likewise.
3107 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
3108 * c-decl.c (flag_isoc9x): Define.
3109 (c_decode_option): Handle -flang-isoc9x.
3110 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
3111 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
3112 * c-lex.c (init_lex): Deal with restrict.
3113 (init_lex): Don't treat restrict as a reserved word in
3114 -traditional mode, or without -flang-isoc9x.
3115 * c-lex.h (rid): Add RID_RESTRICT.
3116 * c-parse.gperf (restrict, __restrict, __restrict__): Make
3117 equivalent to RID_RESTRICT.
3118 * c-parse.in (TYPE_QUAL): Update comment.
3119 * c-common.c: Include rtl.h.
3120 (c_find_base_decl): New function.
3121 (c_build_type_variant): Rename, and modify, to become ...
3122 (c_build_qualified_type): New function.
3123 (c_apply_type_quals_to_decl): Likewise.
3124 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
3125 a particular alias set for the reference.
3126 * toplev.c (documented_lang_options): Add -flang-isoc9x.
3128 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
3130 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
3131 command line switches.
3133 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
3135 * reload.c (loc_mentioned_in_p): Add missing braces to bind
3138 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
3140 * gcc.c (option_map): Added --classpath and --CLASSPATH.
3142 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
3144 * regclass.c (fix_register): Add error message.
3145 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
3148 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3150 * c-decl.c (warn_missing_noreturn): New global variable.
3151 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
3152 (finish_function): Implement missing noreturn warning.
3154 * c-tree.h (warn_missing_noreturn): Declare extern.
3156 * invoke.texi: Document new flags.
3158 * toplev.c (documented_lang_options): Add description.
3160 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3162 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
3163 loop optimization stable for the C4x.
3164 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
3165 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
3166 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
3168 (c4x_address_conflict): Be more paranoid when packing a volatile
3169 memref in a parallel load/store.
3171 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3173 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
3174 repeat_block_filler): Deleted.
3175 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
3176 Condition code not set if destination register from 'c' class.
3177 (*subbqi3_carry_clobber): Fix typo.
3179 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3181 * reorg.c (steal_delay_list_from_target) Check for insns that
3182 modify the condition codes and effect the direction of the jump
3185 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3187 * function.c (purge_addressof_1): Replace call to
3188 emit_insns_before() with emit_insn_before().
3190 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
3192 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
3194 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3196 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3198 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3200 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3201 clobbered across calls.
3203 * loop.c (scan_loop): Be more selective about what invariants are
3204 moved out of a loop.
3206 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
3208 * version.c: Bump for snapshot.
3210 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3212 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
3213 static eh_context structure.
3215 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3217 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
3219 (try_combine): Don't update max_scratch.
3220 * flow.c (max_scratch, num_scratch): Delete variables.
3221 (life_analysis_1): Don't initialize max_scratch.
3222 (propagate_block): Don't update max_scratch.
3223 (mark_set_1): Don't increment num_scratch.
3224 * regs.h (max_scratch): Delete declaration.
3226 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
3228 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
3229 is nonzero. This is temporary!
3231 * sched.c (update_flow_info): Handle death notes made invalid by
3232 instruction splitting. Partially reverts Oct 15, 1998 patch.
3233 * haifa-sched.c (update_flow_info): Likewise.
3235 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
3237 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
3238 if it has a nonzero DECL_INITIAL.
3240 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3242 * Makefile.in (flow.o): Depend on recog.h.
3244 * cpplib.h (directive_table): Add missing initializiers.
3245 (finclude): Change type of variable `bsize' to size_t.
3247 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
3249 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
3251 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
3252 `int' when comparing against one.
3253 (cpp_file_line_for_message): Mark parameter `pfile' with
3255 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
3257 * flow.c: Include recog.h.
3258 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
3260 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
3261 `f' with ATTRIBUTE_UNUSED.
3262 (reposition_prologue_and_epilogue_notes): Likewise.
3264 * genopinit.c (gen_insn): Cast argument of ctype functions to
3267 * haifa-sched.c: Include recog.h.
3268 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
3269 comparing against one.
3271 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
3273 * mips-tfile.c (parse_end): Cast the argument of ctype function to
3275 (parse_ent): Likewise.
3276 (parse_input): Likewise.
3278 * optabs.c (init_libfuncs): Likewise.
3280 * protoize.c (find_rightmost_formals_list): Likewise.
3282 * recog.h (const_double_operand): Fix typo in prototype.
3284 * tlink.c (scan_linker_output): Cast the argument of ctype
3285 function to `unsigned char'.
3287 * toplev.c (check_lang_option): Cast the result of `strlen' to
3288 `int' when comparing against one.
3290 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3292 * gcse.c (dump_cuid_table): Correct typo.
3294 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
3296 * toplev.c (display_help): Prepend '-m' to target specific
3298 (check_lang_option): Ignore text after end of first word of a
3299 language specific option.
3301 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3303 * reload1.c (reg_used_by_pseudo): New static variable.
3304 (choose_reload_regs): Initialize it.
3305 Use it instead of testing spill_reg_order to determine whether a
3306 pseudo is live in a hard register across the current insn.
3307 Fix a typo in a reference to reload_reg_rtx.
3309 * flow.c (propagate_block): Replace code that computes and uses
3310 regs_sometimes_live with simpler code that just walks the set of
3311 currently live registers.
3313 * Makefile.in (insn-extract.o): Fix dependencies.
3314 * genextract.c (main): Generate includes for insn-config.h and
3316 Delete generation of declarations which are now in recog.h.
3317 * genrecog.c (main): Delete generation of definitions which are
3319 * local-alloc.c (block_alloc): Use extract_insn and the variables
3320 it sets up instead of looking up values by insn_code.
3321 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
3322 recog_dup_num): Define here instead of generating the definition in
3324 (recog_n_operands, recog_n_dups, recog_n_alternatives,
3325 recog_operand_mode, recog_constraints, recog_operand_address_p):
3327 (extract_insn): New function.
3328 * recog.h (extract_insn): Declare function.
3329 (which_alternative, recog_n_operands, recog_n_dups,
3330 recog_n_alternatives, recog_operand_mode, recog_constraints,
3331 recog_operand_address_p): Declare variables.
3332 * regclass.c (n_occurrences): New static function.
3333 * reload.c (n_occurrences): Delete function.
3334 (find_reloads): Use extract_insn.
3335 * reload.h (n_occurrences): Delete declaration.
3337 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
3339 * reload1.c (reload_as_needed): Fix test for when to call
3340 update_eliminable_offsets.
3342 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3344 Fix consistency problems with reg_equiv_{mem,address};
3345 Improve reload inheritance;
3347 * reload.c (reload_out_reg): New variable.
3348 (loc_mentioned_in_p, remove_address_replacements): New functions.
3349 (remove_replacements): Deleted.
3350 (push_reload): Set reload_out_reg[i].
3351 When merging, also set reload_{in,out}_reg[i], and remove
3352 duplicate address reloads.
3353 (combine_reloads): Copy reload_out_reg[i].
3354 (find_reloads): Do make_memloc substitution also when
3355 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3357 Include *recog_operand_loc in commutativity operand changes.
3358 Generate optional output reloads.
3359 Delete reference to n_memlocs. Don't set *recog_operand_loc before
3360 processing operands. Call make_memloc in reg_equiv_address code.
3361 Set *recog_operand_loc only after processing operands, and only
3362 if replace is true. Return a value.
3363 When changing address reload types for operands that didn't get
3364 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
3365 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
3366 Don't emit USEs for pseudo SUBREGs when not replacing.
3367 (find_reloads_address): Do make_memloc substitution also when
3368 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3370 (find_reloads_toplev): Likewise.
3371 Call make_memloc in reg_equiv_address code.
3372 (debug_reload_to_stream): Add code to output reload_out_reg.
3373 (make_memloc): Delete local variable i, ifdefed out code, and
3374 references to memlocs and n_memlocs.
3375 (memlocs, n_memlocs): Delete.
3376 (push_secondary_reload): Clear reload_out_reg.
3377 (find_reloads_address_1): Provide memrefloc argument to all calls
3378 to find_reloads_address.
3379 In AUTO_INC code, handle non-directly addressable equivalences properly.
3380 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
3381 (find_reloads): Add return type.
3382 (remove_address_replacements, deallocate_reload_reg): Declare.
3383 * reload1.c (num_not_at_initial_offset): No longer static.
3384 (delete_address_reloads, delete_address_reloads_1): Likewise.
3385 (deallocate_reload_reg): New function.
3386 (spill_reg_stored_to): New array.
3387 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
3388 (eliminate_regs_in_insn): Move assignments of previous_offset and
3389 max_offset fields, and recalculation of num_not_at_initial_offset
3390 into new static function:
3391 (update_eliminable_offsets) .
3392 (reload_as_needed): Call update_eliminable_offsetss after calling
3394 Call forget_old_reloads_1 with contents of reloaded auto_inc
3395 expressions if the actual addressing can't be changed to match the
3397 (choose_reload_regs): For inheritance, replace
3398 reload_reg_free_before_p test with reload_reg_used_at_all test, and
3399 remove stand-alone reload_reg_used_at_all test.
3400 Use reload_out_reg to determine which reload regs have output reloads.
3401 Treat reload_override_in more similar to inherited reloads.
3402 Handle (subreg (reg... for inheritance.
3403 For flag_expensive_optimizations, add an extra pass to remove
3404 unnecessary reloads from known working inheritance.
3405 Delete obsolete code for pseudos replaced with MEMs.
3406 Handle inheritance from auto_inc expressions.
3407 (emit_reload_insns): If reload_in is a MEM, set OLD to
3409 Don't reload directly from oldequiv; if it's a pseudo with a
3410 stack slot, use reload_in[j].
3411 Check that reload_in_reg[j] is a MEM before replacing reload_in
3412 from reg_reloaded_contents.
3413 Include non-spill registers in reload inheritance processing.
3414 Also try to use reload_out_reg to set spill_reg_store /
3415 reg_last_reload_reg.
3416 In code to set new_spill_reg_store, use single_set to find out if
3417 there is a single set.
3418 Add code that allows to delete optional output reloads.
3419 Add code to allow deletion of output reloads that use no spill reg.
3420 At the end, set reload_override_in to oldequiv.
3421 Also call delete_output_reload if reload_out_reg is equal to old
3423 Add code to call delete_output_reload for stores with no matching load.
3424 Set / use spill_reg_stored_to.
3425 Handle case where secondary output reload uses a temporary, but
3426 actual store isn't found.
3427 When looking for a store of a value not loaded in order to call
3428 delete_output_reload, count_occurences should return 0 for no
3429 loads; but discount inherited input reloadill_reg_stored_to.
3430 Do checks for extra uses of REG. Changed all
3432 Use delete_address_reloads.
3433 (reload): Take return value of find_reloads into account.
3434 If a no-op set needs more than one reload, delete it.
3435 (reload_reg_free_before_p): RELOAD_FOR_INPUT
3436 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
3437 for the same operand.
3438 (clear_reload_reg_in_use): Check for other reloads that keep a
3440 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
3441 RELOAD_FOR_OPADDR_ADDR.
3442 Take into account when an address address reload is only needed
3443 for the address reload we are considering.
3444 (count_occurrences): Use rtx_equal_p for MEMs.
3445 (inc_for_reload): Return instruction that stores into RELOADREG.
3446 New argument two, IN, and rtx. Changed all callers.
3447 (calculate_needs_all_insns, reload_as_needed):
3448 Don't clear after_call for a CLOBBER.
3449 Keep track of how many hard registers need to be copied from
3450 after_call, and don't clear after_call before we have seen
3451 that much copies, or we see a different instruction.
3453 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
3455 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
3456 after reload has completed.
3458 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
3460 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
3461 a macro name and the next token with a single blank if that whitespace
3462 is in a macro buffer and the next token is not '('.
3464 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
3466 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
3468 (skip_if_group): Ditto.
3469 (skip_to_end_of_comment): Ditto.
3471 (discard_comments): Ditto.
3472 (change_newlines): Ditto.
3474 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
3476 * c-lex.c (yylex): Fix unaligned access of wchar_t.
3478 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
3480 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
3481 (TARGET_OPTIONS): Add --help documentation.
3483 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3485 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
3487 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
3489 * fixinc/* Moved in from ../contrib directory in preparation
3490 for integrating it into the normal build process. In particular,
3491 fixinc/Makefile.in must be config-ed into the build directory
3492 as fixinc/Makefile. Proposed patches to ./Makefile.in and
3493 ./configure.in will be "in the mail" momentarily.
3495 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
3497 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
3498 accidently walk into the free list. Comment how that can happen.
3499 (invalidate): Fix indentation.
3501 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3502 Jeffrey A Law (law@cygnus.com)
3504 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
3505 reload. Never perform rescans of the insn chain after reload.
3506 (propagate_block): Do not delete insn or create new autoinc addressing
3509 * jump.c (jump_optimize): Unconditionally use the code that was
3510 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
3511 * reload1.c (reload): When reloading is finished, delete all
3512 REG_DEAD and REG_UNUSED notes.
3513 (emit_reload_insns): Delete all code that was conditional on
3514 PRESERVE_DEATH_INFO_REGNO_P.
3515 (no_longer_dead_regs): Delete variable.
3516 (reload_cse_delete_death_notes): Delete function.
3517 (reload_cse_no_longer_dead): Delete function.
3518 (reload_cse_regs_1): Delete all code to handle deletion of death
3520 (reload_cse_noop_set_p): Likewise.
3521 (reload_cse_simplify_set): Likewise.
3522 (reload_cse_simplify_operands): Likewise.
3523 (reload_cse_move2add): Likewise.
3524 * reorg.c (used_spill_regs): Delete declaration.
3525 (max_label_num_after_reload): Delete declaration.
3526 (find_dead_or_set_registers): Don't assume that spill regs are
3527 dead at a CODE_LABEL.
3528 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
3530 * sched.c (sched_analyze_insn): Likewise.
3531 (update_flow_info): Likewise.
3532 * haifa-sched.c (sched_analyze_insn): Likewise.
3533 (update_flow_info): Likewise.
3534 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
3535 * toplev.c (max_label_num_after_reload): Delete variable.
3536 (rest_of_compilation): Don't set max_label_num_after_reload.
3537 Call life_analysis after reload_cse_regs if optimizing.
3538 * config/gmicro/gmicro.h: Delete comment referring to
3539 PRESERVE_DEATH_INFO_REGNO_P.
3540 * config/i386/i386.h: Likewise.
3541 * config/m88k/m88k.h: Likewise.
3542 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
3543 * config/sh/sh.h: Likewise.
3545 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
3547 * loop.c (strength_reduce): Restore marking bct_p as
3549 * rs6000.c (optimization_options): Change #ifdef HAIFA to
3550 HAVE_decrement_and_branch_on_count.
3551 (small_data_operand): Remove TARGET_ELF condition for marking
3552 parameters ATTRIBUTE_UNUSED.
3554 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
3556 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
3557 (SELECT_SECTION): Resync with svr4.h.
3559 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
3561 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
3564 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
3566 * c-pragma.c (handle_pragma_token): Test for null tree before
3567 dereferencing TREE_CODE.
3569 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3571 * config/c4x/c4x.c: Convert to use GEN_INT.
3572 (c4x_parallel_process): Rework to handle new repeat loop structure.
3574 * config/c4x/c4x.md: Convert to use GEN_INT.
3575 (rptb_end): Convert to use GE test. Replace uses with clobbers.
3576 (decrement_and_branch_on_count): Likewise.
3578 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
3579 loop.c has the desired functionality.
3580 (rc_reg_operand): New prototype.
3582 * config/c4x/t-c4x: Can now build all front ends.
3584 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
3586 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
3588 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
3590 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
3591 * config/t-rtems: Do not install assert.h -- use newlib's.
3593 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3595 * combine.c (combine_instructions): When finished, call init_recog.
3596 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
3598 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
3600 * toplev.c: If flag_syntax_only, don't open or write assembler file.
3602 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3604 * cppalloc.c (memory_full): Mark function prototype with
3607 * demangle.h (collect_exit): Likewise.
3609 * fix-header.c (v_fatal, fatal): Likewise.
3611 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
3614 * gcov.c (print_usage): Likewise.
3616 * genattr.c (fatal, fancy_abort): Likewise.
3618 * genattrtab.c (fatal, fancy_abort): Likewise.
3620 * gencodes.c (fatal, fancy_abort): Likewise.
3622 * genconfig.c (fatal, fancy_abort): Likewise.
3624 * genemit.c (fatal, fancy_abort): Likewise.
3626 * genextract.c (fatal, fancy_abort): Likewise.
3628 * genflags.c (fatal, fancy_abort): Likewise.
3630 * genopinit.c (fatal, fancy_abort): Likewise.
3632 * genoutput.c (fatal, fancy_abort): Likewise.
3634 * genpeep.c (fatal, fancy_abort): Likewise.
3636 * genrecog.c (fatal, fancy_abort): Likewise.
3638 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
3639 __sjpopnthrow, __throw): Likewise.
3641 * objc/objc-act.c (objc_fatal): Likewise.
3643 * protoize.c (usage, aux_info_corrupted,
3644 declare_source_confusing): Likewise.
3646 * rtl.c (dump_and_abort): Likewise.
3648 * rtl.h (sets_cc0_p): Likewise.
3650 * toplev.c (float_signal, pipe_closed): Likewise.
3652 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3654 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
3655 when generating the decision tree for the general case.
3657 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
3658 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
3660 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3662 * Makefile.in (sched.o): Depend on recog.h.
3664 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
3665 (unsigned) when comparing against one.
3666 (find_base_value): Likewise.
3667 (record_base_value): Cast variable `regno' to (unsigned) when
3668 comparing against one. Cast the result of REGNO() macro to
3669 (unsigned) when comparing against one.
3670 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
3672 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
3673 variable where an unsigned index is needed.
3675 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
3676 before comparing against one.
3678 * collect2.c: Add prototypes for functions `error', `fatal' and
3679 `fatal_perror'. Make these functions take variable arguments
3680 instead of faking it with a fixed number of args.
3681 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
3684 * combine.c (can_combine_p): Mark parameter `pred' with
3686 (find_split_point): Cast variable `src' to (unsigned
3687 HOST_WIDE_INT) when comparing against one.
3688 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
3689 (simplify_logical): Likewise.
3690 (force_to_mode): Cast result of INTVAL() macro to (unsigned
3691 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
3692 HOST_WIDE_INT) in shift.
3693 (simplify_and_const_int): Cast result of INTVAL() macro to
3694 `unsigned HOST_WIDE_INT' when comparing against one.
3695 (merge_outer_ops): Cast variable const0 to `unsigned
3696 HOST_WIDE_INT' when comparing against the result of
3697 GET_MODE_MASK() macro.
3698 (simplify_comparison): Likewise for variable `c0'. Cast variable
3699 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
3700 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
3701 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
3702 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
3703 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
3704 comparing against one.
3705 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
3707 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
3708 macro to `unsigned HOST_WIDE_INT' when comparing against one.
3709 (output_block_move): Cast `sizeof' expression to (int) when
3710 comparing against one.
3711 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
3713 (save_restore_insns): Cast `base_offset' to `long' to match format
3714 specifier in fprintf.
3716 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
3717 to `enum machine_mode'.
3719 * flow.c (life_analysis_1): Remove unused variable `insn'.
3721 * gcc.c (translate_options): Move variables `j' and `k' into the
3722 scope in which they are used. Change their types to `size_t'.
3723 (set_spec): Cast the argument of ctype macro to `unsigned char'.
3724 (read_specs): Likewise.
3725 (process_command): Cast `sizeof' to (int) when comparing against one.
3726 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
3727 (handle_braces): Cast both sides of `==' expression to `long' to
3728 ensure sign matching.
3729 (main): Cast variable `i' to `int' when comparing against one.
3731 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
3732 int to size_t. Cast variable `i' to size_t when comparing against
3735 * genattrtab.c (convert_set_attr_alternative): Remove unused
3736 parameter `insn_code'. All callers changed.
3737 (convert_set_attr): Likewise.
3739 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
3740 size_t when comparing against one. Likewise for variable `len'.
3742 * global.c (global_alloc): Cast variable `max_regno' to size_t
3743 when comparing against one. Likewise for variable `max_allocno'.
3745 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
3747 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
3748 `set' with ATTRIBUTE_UNUSED.
3749 (find_free_reg): Cast `sizeof' expression to (int) when comparing
3752 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
3753 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
3754 (get_condition): Cast variable `const_val' to `unsigned
3755 HOST_WIDE_INT' when comparing against one. Cast unsigned
3756 expression to HOST_WIDE_INT when comparing against one.
3757 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
3758 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
3759 `unsigned' when comparing against one.
3761 * protoize.c (is_id_char): Change type of parameter `ch' to
3763 (munge_compile_params): Cast argument of ctype macro to (const
3765 (process_aux_info_file): Cast variable `aux_info_size' to int when
3766 comparing against one.
3767 (forward_to_next_token_char): Cast argument of ctype macro to
3768 `const unsigned char'.
3769 (edit_formals_lists): Likewise.
3770 (find_rightmost_formals_list): Likewise.
3771 (add_local_decl): Likewise.
3772 (add_global_decls): Likewise.
3773 (edit_fn_definition): Likewise.
3774 (do_cleaning): Likewise.
3775 (scan_for_missed_items): Likewise.
3776 (edit_file): Cast variable `orig_size' to (int) when comparing
3778 (main): Cast argument of ctype macro to `const unsigned char'.
3780 * recog.c (const_int_operand): Mark parameter `mode' with
3783 * regclass.c (record_reg_classes): Change type of variable `c' to
3784 `unsigned char'. Cast `char' array index to `unsigned char'.
3786 * reload.c (push_secondary_reload): Cast argument to
3787 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
3789 * reload1.c (calculate_needs): Cast `char' array index to
3791 (set_label_offsets): Change type of variable `i' to unsigned int.
3792 Cast result of XVECLEN() macro to unsigned when comparing against
3794 (mark_not_eliminable): Change type of variable `i' to unsigned.
3795 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
3796 when comparing against one.
3797 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
3798 comparing against one.
3799 (choose_reload_regs): Hide unused label `fail'.
3800 (reload_cse_simplify_operands): Cast `char' array index to
3802 (reload_combine_note_store): Mark parameter `set' with
3803 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
3805 (reload_cse_move2add): Remove unused variable `src2'.
3807 * sched.c: Include recog.h.
3808 (sched_note_set): Remove unused parameter `b'. All callers
3810 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
3811 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
3812 when comparing against one.
3814 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
3815 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
3816 comparing against one.
3818 * unroll.c (precondition_loop_p): Remove unused parameter
3819 `loop_end'. All callers changed.
3821 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3823 * reload1.c (maybe_fix_stack_asms): New static function.
3826 * reload.h (compute_use_by_pseudos): Declare.
3828 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
3829 (something_needs_reloads): Delete variable.
3830 (finish_spills): New function.
3831 (compute_use_by_pseudos): New function.
3833 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
3834 Use the reload_insn_chain instead of walking the rtl directly.
3836 (reload): Allocate and free spilled_pseudos.
3837 Ensure that all calls of spill_hard_reg are followed by a call to
3839 Use the insns_need_reload list instead of something_needs_reloads
3840 to find out if reload_as_needed must be called.
3841 Clear unused_insn_chains at the end.
3843 (calculate_needs_all_insns): Lose FIRST parameter. All callers
3845 Delete code to keep track of current basic block.
3846 Walk reload_insn_chain instead of the rtl structure. Build the
3847 insns_need_reload chain.
3848 Remember which insns need reloading/elimination by setting the
3849 appropriate fields in struct insn_chain, not by putting modes on the
3852 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
3853 arg INSN. All callers changed.
3854 Delete declaration of struct needs.
3855 Don't set something_needs_reloads.
3856 Record insn needs in the CHAIN argument.
3858 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
3860 (reload_as_needed): Lose FIRST arg. All callers changed.
3861 Walk the reload_insn_chain instead of the rtx structure.
3862 Delete code to keep track of current basic block.
3863 Rename one of the NEXT variables to OLD_NEXT.
3865 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
3867 (choose_reload_regs): Likewise.
3869 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
3872 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
3873 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
3874 (hard_regs_live, hard_regs_need_restore): Delete variables.
3875 (n_regs_saved): Now static.
3876 (referenced_regs, this_insn_sets): New variables.
3878 (setup_save_areas): Restructure the code a bit.
3880 (restore_referenced_regs): Delete function.
3881 (mark_referenced_regs): New function, similar to the old
3882 restore_referenced_regs, but mark registers in referenced_regs.
3884 (clear_reg_live): Delete function.
3885 (mark_set_regs): Renamed from set_reg_live. All callers changed.
3886 Only mark registers in this_insn_sets.
3888 (save_call_clobbered_regs): Rework this function to walk the
3889 reload_insn_chain instead of using the list of instructions directly.
3890 Delete code to keep track of register lives, compute live regs on the
3891 fly from information in the chain.
3892 Instead of calling restore_referenced_regs, use mark_referenced_regs,
3893 then walk the set it computes and call insert_restore as appropriate.
3895 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
3897 Restructure the code a bit. Test hard_regs_saved instead of
3898 hard_regs_need_restore.
3899 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
3900 args. All callers changed.
3901 Restructure the code a bit. Use TO_SAVE to determine which regs to
3902 save instead of more complicated test.
3903 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
3905 Create a new insn_chain structure for the new insn and place it
3908 * rtl.texi: Update documentation to reflect that reload no longer
3909 puts modes on the insns.
3911 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3913 * function.c (purge_addressof_1): Force the first argument of a
3914 CALL insn to memory.
3916 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
3918 * rtl.h: Delete duplicate prototypes. Add some missing
3920 * rtlanal.c: (for_each_rtx): Formatting tweak.
3922 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3924 * real.c (emdnorm and etoasc): Disable round to even for c4x target
3925 to be compatible with TI compiler.
3927 * Makefile.in (USER_H): Add va-c4x.h to definition.
3929 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
3931 * function.c (purge_addressof_1): Fix typo in inequality: do
3932 bitfield optimization for equal mode sizes.
3933 * expmed.c (store_bit_field): Don't take subregs of subregs in
3934 the movstrict case. Tidy a potential problem in the multi-word case.
3935 (extract_bit_field): Likewise.
3937 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3939 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
3941 Compute max_uid_for_flow by calling get_max_uid after the scan.
3942 (find_basic_blocks_1): Don't emit NOPs here.
3944 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
3946 * alias.c (base_alias_check): Accept new args for the modes of the
3947 two references. Use them to determine if an AND can overlap. Update
3949 (memrefs_conflict_p): Assume sizes are aligned, and uses them
3950 to determine if an AND can overlap.
3952 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
3954 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
3955 check. Add comment to document problems with TARGET_SUN_FPA version
3957 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
3959 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3961 * Makefile.in (gencheck.o): Depend on gansidecl.h.
3963 * c-common.c (print_char_table): Add missing initializers.
3964 (scan_char_table): Likewise.
3965 (time_char_table): Likewise.
3967 * c-decl.c (c_decode_option): Mark parameter `argc' with
3969 (declare_parm_level): Mark parameter `definition_flag' with
3972 * c-lex.c (readescape): Use `(unsigned)1' in shift.
3973 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
3976 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
3978 (emit_call_1): Mark parameters `fndecl' and `funtype' with
3980 (expand_call): Cast result of MIN() to (unsigned int) when
3981 comparing against an unsigned value.
3983 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
3985 (make_definition): Remove unused parameter `op'. All callers
3987 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
3988 comparing against the result of pointer arithmetic.
3990 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
3991 when comparing against one.
3993 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
3994 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
3996 (output_die): Move variable `i' into the scope in which it is
3997 used. Change its type to `unsigned'.
3998 (output_die): Cast the result of `strlen' to (int) when passing it
3999 to ASM_OUTPUT_ASCII().
4000 (output_pubnames): Likewise.
4001 (output_line_info): Likewise.
4003 * emit-rtl.c (global_rtl): Add missing initializers.
4005 * explow.c (promote_mode): Mark parameter `for_call' with
4008 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
4009 `unsigned HOST_WIDE_INT' when comparing against one.
4010 (synth_mult): Change type of variable `cost' to int.
4011 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
4013 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
4014 when comparing against one.
4015 (get_inner_reference): Change variable `alignment' to unsigned.
4016 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
4017 int) when comparing against one.
4018 (expand_builtin_setjmp): Change type of variable `i' to size_t.
4020 * fold-const.c (div_and_round_double): Cast BASE to
4021 (HOST_WIDE_INT) when comparing against one.
4023 * gencheck.c: Include gansidecl.h.
4024 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
4026 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
4027 `tcode' with ATTRIBUTE_UNUSED.
4029 * real.c (edivm): Cast constant value to (unsigned long) in
4030 expression compared against an unsigned value.
4032 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
4033 comparing against one.
4034 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
4035 when comparing against one.
4037 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
4038 (unsigned int) when comparing against one. Likewise for
4040 (smallest_mode_for_size): Likewise.
4041 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
4042 (restore_storage_status): Likewise.
4044 * toplev.c (debug_args): Add missing initializer.
4045 (f_options): Spelling correction. Add missing initializers.
4046 (documented_lang_options): Likewise.
4047 (debug_end_source_file): Mark parameter `lineno' with
4050 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
4051 `decl' and `type' with ATTRIBUTE_UNUSED.
4053 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
4054 when comparing against one.
4055 (assemble_variable): Mark parameter `top_level' with
4057 (assemble_external_libcall): Mark parameter `fun' with
4059 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
4062 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
4064 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
4065 Replace use of r5 with use of r19.
4067 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
4069 * config/v850/v850.c (compute_register_save_size): Allow for the
4070 fact that helper functions save all registers, not just those used
4073 Replace constant 31 with macro LINK_POINTER_REGNUM.
4075 * config/v850/v850.md: Use 'indirect_operand' rather than
4076 'memory_operand' for bit test/set/clear patterns.
4078 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
4080 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
4081 * varasm.c (assemble_start_function et al): Don't call
4082 ASM_GLOBALIZE_LABEL for weak symbols.
4084 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
4086 * cse.c (equiv_constant): Check for NULL return from
4087 gen_lowpart_if_possible().
4089 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
4091 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
4093 * collect2.c (main): Pass -EL/-EB through to the compiler.
4095 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4097 * expr.c (push_block): Handle targets where the stack grows
4098 to higher addresses, but args grow to lower addresses and
4099 ACCUMULATE_OUTGOING_ARGS is not defined.
4101 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
4103 * config/v850/v850.c (print_operand): Extend meaning
4104 of 'c' operands to support .vtinherit.
4106 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4108 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
4109 Added ATTRIBUTE_UNUSED to unused function arguments.
4110 (rc_reg_operand): New predicate.
4111 (c4x_rptb_insert): New function.
4112 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
4113 (c4x_optimization_options): New function.
4115 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
4116 (decrement_and_branch_on_count): New pattern.
4117 (rptb_top): Modified pattern to work with BCT optimization.
4119 * config/c4x/c4x.h (RC_REG): New register class.
4120 (rc_reg_operand): Define prototype.
4121 (IS_RC_REG): New macro.
4122 (IS_RC_OR_PSEUDO_REG): New macro.
4123 (IS_RC_OR_PSEUDO_REGNO): New macro.
4124 (OPTIMIZATION_OPTIONS): Define.
4126 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
4128 * collect2.c (extract_init_priority): No priority is 65535.
4130 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4132 * Makefile.in (build_tooldir): new variable, same as old
4133 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
4134 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
4135 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
4137 * configure.in (gxx_include_dir): set default based on unlibsubdir
4138 * Makefile.in (tooldir): ditto
4139 (cccp.o, cpplib.o): use unlibsubdir implicitly through
4140 gxx_include_dir, includedir and tooldir
4141 (protoize.o, unprotoize.o): ditto
4143 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
4145 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
4147 * config/arm/thumb.c (thumb_override_options): Add warning about
4148 PIC code not being supported just yet.
4150 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
4152 * flow.c: Update comment.
4153 (notice_stack_pointer_modification): New static function.
4154 (record_volatile_insns): Use it.
4155 (mark_regs_live_at_end): Mark the stack pointer as alive
4156 at the end of the function if current_function_sp_is_unchanging
4158 (life_analysis_1): Set current_function_sp_is_unchanging.
4159 * function.c: Define it.
4160 (init_function_start): Initialize it.
4161 * output.h: Declare it.
4162 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
4163 the stack pointer as alive at the end of the function if
4164 current_function_sp_is_unchanging is set.
4165 * i386.c (ix86_epilogue): Optimize the restoring
4166 of the stack pointer.
4168 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
4170 * version.c: Bump for snapshot.
4172 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
4174 * c-pragma.c (handle_pragma_token): If passed a token instead
4175 of a tree, use that as the pack value.
4177 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
4179 * flow.c (find_basic_blocks_1): Fix prototype.
4181 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
4183 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
4184 (struct tree_decl): New fields no_check_memory_usage.
4185 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
4186 (init_attributes): Register it as a new attribute.
4187 (decl_attributes): Set flags on functions given that attribute.
4188 * c-decl.c (duplicate_decls): Merge new attribute.
4189 * expr.h (current_function_check_memory_usage): Declare new var.
4190 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
4191 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
4192 current_function_check_memory_usage.
4193 * function.h: Add field to struct function.
4194 * function.c (current_function_check_memory_usage): Define it.
4195 (push_function_context_to, pop_function_context_from): Save and
4197 (expand_function_start): Set it, based on global flag and function
4200 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4201 check non-automatic variables, to permit detection of writes to
4202 read-only locations in embedded systems without memory management.
4203 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4204 when emitting chkr_set_right_libfunc call, even if the argument is
4205 BLKmode or variable-sized; don't abort.
4207 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
4208 symbols in Pmode, not VOIDmode.
4210 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4212 * cppexp.c: When forcing unsigned comparisons, cast both sides
4215 * cpphash.h: Move static declaration of hashtab[]...
4216 * cpphash.c: ...here.
4218 * cpplib.c: Cast difference of two pointers to size_t before
4219 comparing it to size_t. Cast signed to unsigned
4220 before comparing to size_t. (FIXME: struct argdata should use
4221 unsigned buffer sizes.)
4222 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
4223 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
4224 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
4225 size_t before comparison.
4227 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
4229 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
4230 (find_basic_blocks_1): Similarly.
4231 * output.h (find_basic_blocks): Fix prototype.
4232 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
4233 find_basic_blocks anymore.
4235 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
4237 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
4238 (sbitmap_free, sbitmap_vector_free): New macros.
4239 * output.h (rtl_dump_file): Declare.
4241 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
4243 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
4245 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4247 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
4249 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
4250 (divide): Remove unused variable `tmp'.
4251 (si_to_float): Cast numeric constant to (SItype) before comparing
4254 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
4256 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
4257 * gcc.c (add_preprocessor_option): Correct typo when allocating
4258 memory, sizeof() argument had one too many `*'.
4259 (add_assembler_option): Likewise.
4260 (add_linker_option): Likewise.
4261 * gcov.c (output_data): Likewise.
4262 * local-alloc.c (memref_used_between_p): Likewise.
4263 (update_equiv_regs): Likewise.
4264 * loop.c (strength_reduce): Likewise.
4265 * reg-stack.c (record_asm_reg_life): Likewise.
4266 (subst_asm_stack_reg): Likewise.
4267 * reorg.c (dbr_schedule): Likewise.
4269 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4271 * flow.c (life_analysis_1): Break out some functions.
4272 (find_basic_blocks_1): Likewise. Also move some variables out and
4274 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
4275 new static var nonlocal_label_list with it.
4276 (active_eh_region, nested_eh_region, label_value_list,
4277 nonlocal_label_list): New static variables.
4278 (make_edges, delete_unreachable_blocks, delete_block): New static
4279 functions, broken out of find_basic_blocks_1.
4280 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
4281 noop_move_p): New static functions, broken out of life_analysis_1.
4283 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
4285 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
4286 Take extra care for op0 now possibly being a subreg.
4287 (extract_bit_field): Likewise.
4288 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
4289 the reg to memory if there is no equal sized integral mode.
4290 * stor-layout.c (int_mode_for_mode): New function.
4291 * machmode.h: Prototype it.
4293 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
4295 * global.c (build_insn_chain): Verify no real insns exist past the
4296 end of the last basic block, then exit the loop.
4298 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4300 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
4302 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
4304 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
4306 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
4308 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
4310 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
4312 * flow.c (find_basic_blocks): Correctly determine when a call
4313 is within an exception region.
4315 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
4317 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
4319 * cpplib.h: Protect from multiple inclusions.
4320 * cpplib.c: Fix minor formatting problems.
4322 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
4324 * jump.c (jump_optimize): Revert accidental patch.
4326 * Makefile.in (cpplib.o): Use unlibsubdir.
4328 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
4330 * loop.c (get_condition): Allow combine when either compare is
4333 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
4335 * version.c: Bump for snapshot.
4337 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
4339 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
4340 (init_lex): Initialize ridpointers[RID_BYREF].
4341 * c-lex.h (enum rid): Add RID_BYREF.
4342 * c-parse.gperf: Add RID_BYREF as a type qualifier.
4343 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
4344 (encode_type_qualifiers): Similarly
4345 * c-gperf.h: Rebuilt.
4347 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
4349 * c-common.c (type_for_mode): Only return TItype nodes when
4350 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4351 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
4352 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4353 (init_decl_processing): Only create TItype nodes when
4354 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4355 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
4356 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4358 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4360 * stmt.c (n_occurrences): New static function.
4361 (expand_asm_operands): Verify that all constrains match in the
4362 number of alternatives.
4363 Verify that '+' or '=' are at the beginning of an output constraint.
4364 Don't allow '&' for input operands.
4365 Verify that '%' isn't written for the last operand.
4366 * reload.c (find_reloads): Abort if an asm is found with invalid
4367 constraints; all possible problems ought to be checked for earlier.
4369 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4371 * flags.h (flag_branch_on_count_reg): Always declare
4372 * toplev.c (flag_branch_on_count_reg): Likewise.
4373 * toplev.c: Fix typos.
4375 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
4378 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
4380 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
4382 (find_basic_blocks_1): Add a nop to the end of a basic block when
4383 a trailing call insn does not have abnormal control flow.
4384 * gcse.c (pre_transpout): New variable.
4385 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
4386 (compute_pre_transpout): Calculate it.
4387 (compute_pre_ppinout): Use it to eliminate impossible placements
4388 due to abnormal control flow through calls.
4389 (compute_pre_data): Call compute_pre_transpout.
4391 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4393 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
4395 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
4397 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
4398 and matching define_insns): Tack on a `use' of the table label, so
4399 flow analysis will recognize a tablejump.
4401 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
4403 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
4404 always end basic blocks for abnormal edge reasons.
4406 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
4408 * config/i386/i386.h: Remove definition of
4409 HANDLE_PRAGMA_PACK_PUSH_POP.
4411 * config/i386/go32.h: Add definition of
4412 HANDLE_PRAGMA_PACK_PUSH_POP.
4414 * config/i386/win32.h: Add definition of
4415 HANDLE_PRAGMA_PACK_PUSH_POP.
4417 * config/i386/cygwin32.h: Add definition of
4418 HANDLE_PRAGMA_PACK_PUSH_POP.
4420 * c-pragma.c (insert_pack_attributes): Do not insert
4421 attributes unless #pragma pack(push,<n>) is in effect.
4423 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
4425 * expr.c (emit_group_store): Handle a PARALLEL destination.
4427 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
4429 * gcse.c (pre_insert_insn): When a call ends a bb, insert
4430 the new insns before the argument regs are loaded.
4432 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4434 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
4435 (c-parse.gperf): Update comments describing invocation flags.
4436 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
4438 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
4440 * reload1.c (reload): Call free before clobbering the memory
4441 locations or constants pointers.
4443 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4445 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
4446 for efficiency by checking whether we need to modify the current
4447 stack permission at all.
4448 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
4449 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
4450 __enable_execute_stack libcall here too if
4451 TRANSFER_FROM_TRAMPOLINE is defined.
4452 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
4455 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
4457 * Makefile.in (DRIVER_DEFINES): Remove last change.
4459 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4461 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
4462 insns we're going to copy.
4463 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
4465 * loop.c (count_one_set): Add prototype.
4467 * caller-save.c (restore_referenced_regs): Lose mode argument.
4468 (insert_save): Lose mode argument.
4469 (insert_restore): Lose mode argument.
4470 (insert_one_insn): Lose mode argument.
4471 (save_call_clobbered_regs): Lose mode argument.
4472 (setup_save_areas): Take no argument and return void. All callers
4474 Don't verify validity of memory addresses.
4475 * reload.h (setup_save_ares): Adjust prototype.
4476 (save_call_clobbered_regs): Likewise.
4477 * reload1.c (delete_caller_save_insns): New function.
4478 (caller_save_spill_class): Delete variable.
4479 (caller_save_group_size): Delete variable.
4480 (reload): Call setup_save_areas and save_call_clobbered_regs
4481 in the main loop, before calling calculate_needs_all_insns.
4482 Don't call save_call_clobbered_regs after the loop.
4483 Call delete_caller_save_insns at the end of an iteration if
4485 Delete code to manage caller_save_spill_class.
4486 Emit the final note before setting reload_first_uid.
4487 Simplify test that determines whether reload_as_needed gets run.
4488 (calculate_needs): Delete code to manage caller_save_spill_class.
4490 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
4492 * collect2.c (main): Initialize ld_file_name.
4494 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
4496 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
4497 check for flag_function_sections.
4499 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4501 * cse.c (insert_regs): Fix bug in Sep 24 change.
4503 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4505 * flags.h (flag_dump_unnumbered): Declare.
4506 * toplev.c (flag_dump_unnumbered): Don't declare.
4507 * print-rtl.c (flags.h): Include.
4508 (print_rtl_single): Add return value.
4509 * rtl.h (print_rtl_single): Update declaration.
4510 * flow.c (flag_dump_unnumbered): Don't declare.
4511 (print_rtl_with_bb): Use return value of print_rtl_single.
4513 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4515 * loop.c (count_one_set): New static function, broken out of
4517 (count_loop_regs_set): Call it.
4518 * global.c (mark_reg_store): Handle clobbers here by not calling
4520 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
4521 is in fact a clobber.
4522 * integrate.c (process_reg_param): New function, broken out of
4523 expand_inline_function.
4524 (expand_inline_function): Call it.
4527 * i386.md (addsidi3_1): Delete unused variable temp.
4528 (addsidi3_2): Likewise.
4529 (clstrstrsi): Delete unused variable addr1.
4531 * rtl.h: Don't declare any functions also declared in recog.h.
4533 * Makefile.in (stupid.o): Update dependencies.
4534 (global.o): Likewise.
4536 * global.c: Include reload.h
4537 (reg_becomes_live): New function.
4538 (reg_dies): New function.
4539 (build_insn_chain): New function.
4540 (global_alloc): Call build_insn_chain before calling reload.
4542 * reload.h (struct needs): New structure definition.
4543 (struct insn_chain): Likewise.
4544 (reload_insn_chain): Declare variable.
4545 (new_insn_chain): Declare function.
4548 * reload1.c (reload_startobj): New variable.
4549 (reload_insn_chain): New variable.
4550 (unused_insn_chains): New variable.
4551 (new_insn_chain): New function.
4552 (init_reload): Initialize reload_startobj, not reload_firstobj.
4553 (reload): Initialize reload_firstobj.
4554 Before returning, free everything on the reload_obstack.
4556 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
4557 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
4558 current_chain): New variables.
4559 (reg_where_born): Delete variable.
4560 (REG_WHERE_BORN): New macro.
4561 (find_clobbered_regs): New function.
4562 (stupid_life_analysis): Don't allocate/free reg_where_born.
4563 Allocate and free reg_where_born_exact, reg_where_born_clobber,
4564 reg_where_dead_chain.
4565 Use REG_WHERE_BORN instead of reg_where_born.
4566 While processing the insns, build the reload_insn_chain with
4567 information about register lifetimes.
4568 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
4569 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
4571 Compute and information about birth and death of pseudo registers in
4572 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
4573 Delete code to set elements of reg_where_born.
4575 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4577 * tree.def (GOTO_EXPR): Modified documentation.
4578 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
4581 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
4583 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
4584 loop_final_value, loop_comparison_code): No longer static.
4585 (unroll_loop): Delete loop_start_value update.
4586 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
4587 loop_final_value, loop_comparison_code): Extern.
4588 (loop_start_value): Delete extern.
4589 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
4590 loop_comparison_value, loop_comparison_code): Delete.
4591 (loop_optimize): Remove initialization for deleted variables.
4592 (strength_reduce): Delete analyze_loop_iterations call. Only call
4593 insert_bct if flag_branch_count_on_reg set.
4594 (analyze_loop_iterations): Delete.
4595 (insert_bct): Remove iteration count calculation. Move checks for
4596 viable BCT optimization to here. Obtain iteration count from
4597 loop_iterations and correct for unrolling. Check for enough
4598 iteration to be beneficial. Comment out runtime iteration count
4600 (insert_bct): Print iteration count in dump file. Remove
4601 loop_var_mode and use word_mode directly.
4603 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
4604 * rs6000.c (rs6000_override_options): Use it.
4605 (optimization_options): Enable use of flag_branch_on_count_reg.
4606 * rs6000.md (define_function_unit): Describe 604e.
4608 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4610 * loop.c (move_movables): Corrected threshold calculation for
4611 moved_once registers.
4613 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4615 * loop.c (combine_givs_p): Fix test for identical givs.
4617 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
4619 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
4620 call abort if the function is already defined.
4622 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
4624 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
4625 truncation is not a no-op.
4627 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
4629 * version.c: Bump for snapshot.
4631 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
4633 * version.c: Bump for snapshot.
4635 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
4637 * expmed.c (expand_divmod): Don't widen for computing remainder
4638 if we seem to have a divmod pattern for needed mode.
4640 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4642 * cpplib.c (macroexpand): Correct off-by-one error in handling
4645 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
4647 * combine.c (expand_field_assignment): Don't do bitwise operations
4648 on MODE_FLOAT; pun to MODE_INT if possible.
4650 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
4651 scott snyder <snyder@d0sgif.fnal.gov>
4653 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
4654 linker. Recognize mangled names in quotes.
4656 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4658 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
4659 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
4660 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
4661 (lshrsi3_extend, lshrsi3_extend2): Ditto.
4663 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4665 * function.c (purge_addressof_1): If trying to take a sub-word
4666 integral piece of a floating point mode, put it on the stack.
4668 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
4670 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
4672 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
4674 * PROJECTS: Remove template friends.
4676 * collect2.c (sort_ids): Remove unused variable.
4678 * tm.texi (MATH_LIBRARY): Document.
4679 (NEED_MATH_LIBRARY): Remove.
4681 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
4682 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
4684 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
4686 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
4687 last_end to 0x7fffffff.
4689 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4691 * function.c (purge_addressof_1): Do not perform endianness
4692 corrections on bitpos, who we call will do it for us.
4694 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
4696 * h8300.c (WORD_REG_USED): Fix typo.
4697 (initial_offset): Use WORD_REG_USED.
4699 * h8300.c (handle_pragma): Fix typo.
4701 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4703 * caller-save.c (insert_save_restore): Break this function up
4704 into new functions insert_restore, insert_save and insert_one_insn.
4705 All callers changed.
4706 (insert_restore): New function, mostly broken out of
4707 insert_save_restore.
4708 (insert_save): Likewise.
4709 (insert_one_insn): Likewise.
4710 (restore_referenced_regs): New argument BLOCK. All callers changed.
4711 (save_call_clobbered_regs): Don't keep track of basic block boundaries
4712 in this function, do it in insert_one_insn instead.
4714 * reload1.c (reload): Break out some more pieces into separate
4716 (dump_needs): New function, broken out of reload.
4717 (set_initial_elim_offsets): Likewise.
4718 (init_elim_table): Likewise.
4719 (update_eliminables): Likewise.
4721 * global.c (global_alloc): Delete code to manage the scratch_list.
4722 * local-alloc.c (qty_scratch_rtx): Delete.
4723 (scratch_block): Delete.
4724 (scratch_list): Delete.
4725 (scratch_list_length): Delete.
4726 (scratch_index): Delete.
4727 (alloc_qty_for_scratch): Delete.
4728 (local-alloc): Update initialization of max_qty.
4729 Delete code to manage the scratch list.
4730 Delete code to allocate/initialize qty_scratch_rtx.
4731 (block_alloc): Don't allocate quantities for scratches.
4732 Delete code to manage the scratch list.
4733 * regs.h (scratch_list): Delete declaration.
4734 (scratch_block): Delete declaration.
4735 (scratch_list_length): Delete declaration.
4736 * reload1.c (reload): Delete code to manage the scratch list.
4737 (spill_hard_reg): Likewise.
4738 (mark_scratch_live): Delete.
4740 * recog.c (alter_subreg): Delete declaration.
4742 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
4744 * Makefile.in (cccp.o): Fix typo in last patch.
4746 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4748 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
4749 * config/sh/lib1funcs.asm (___set_fpscr): Add.
4751 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
4753 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
4754 NULL_RTX as an argument.
4756 * Makefile.in (unlibsubdir): Define.
4757 (DRIVER_DEFINES): Use unlibsubdir.
4758 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
4759 (stmp-fixinc): Similarly.
4761 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4763 * regmove.c (regmove_optimize): Add variable old_max_uid.
4764 At the end of the function, update basic_block_end.
4766 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4768 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
4769 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
4772 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
4774 * config/arm/arm.c: Improve interworking support.
4776 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4778 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
4779 copied from reload_out[r] .
4781 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
4783 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
4784 with more than three size ranges.
4786 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
4788 * rtl.c (mode_name): Add a null string at the end of the array.
4789 (mode_wider_mode): Change type to unsigned char.
4790 (mode_mask_array): New variable.
4791 (init_rtl): Update for mode_wider_mode type change.
4793 * rtl.h (mode_wider_mode): Change type to unsigned char.
4794 (mode_mask_array): Declare.
4795 (GET_MODE_MASK): Use mode_mask_array.
4797 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
4799 * calls.c (expand_call) : Encapsulate code into
4800 copy_blkmode_from_reg.
4801 * expr.c (copy_blkmode_from_reg): New function.
4802 * expr.h (copy_blkmode_from_reg): New function.
4803 * integrate.c (function_cannot_inline_p): We can inline
4805 (expand_inline_function): Use copy_blkmode_from_reg
4806 if needed. Avoid creating BLKmode REGs.
4807 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
4810 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
4812 * config/v850/v850.c: Add function prototypes.
4813 Add support for v850 special data areas.
4815 * config/v850/v850.h: Add support for v850 special data areas.
4817 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
4818 HANDLE_PRAGMA_PACK_PUSH_POP.
4819 (push_alignment): New function: Cache an alignment requested
4820 by a #pragma pack(push,<n>).
4821 (pop_alignment): New function: Pop an alignment from the
4823 (insert_pack_attributes): New function: Generate __packed__
4824 and __aligned__ attributes for new decls whilst a #pragma pack
4826 (add_weak): New function: Cache a #pragma weak directive.
4827 (handle_pragma_token): Document calling conventions. Add
4828 support for #pragma pack(push,<n>) and #pragma pack (pop).
4830 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
4831 are defined enable HANDLE_PRAGMA_PACK.
4832 Move 'struct weak_syms' here (from varasm.c).
4833 Add pragma states for push and pop pragmas.
4835 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
4838 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
4839 HANDLE_GENERIC_PRAGMAS.
4841 * varasm.c: Move definition of 'struct weak_syms' into
4843 (handle_pragma_weak): Deleted.
4845 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
4847 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
4849 * c-decl.c (start_function): Add invocation of
4850 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
4852 * tm.texi: Remove description of non-existant macro
4853 SET_DEFAULT_SECTION_NAME.
4855 (HANDLE_SYSV_PRAGMA): Document.
4856 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
4858 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
4860 * config.sub: Recognize i[34567]86-pc-udk as new target.
4861 * configure.in: Likewise.
4862 * config/i386/t-udk: New file.
4863 * config/i386/udk.h: New file.
4865 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
4867 * reorg.c (check_annul_list_true_false): Remove unused variables.
4868 (steal_delay_list_from_target): Add missing "used_annul" variable.
4869 (try_merge_delay_insns): Close out half formed comment.
4871 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4873 * cpplib.c (macroexpand): If arg->raw_before or
4874 arg->raw_after, remove any no-reexpansion escape at the
4875 beginning of the pasted token. Correct handling of whitespace
4876 markers and no-reexpand markers at the end if arg->raw_after.
4878 * toplev.c (documented_lang_options): Recognize -include,
4879 -imacros, -iwithprefix, -iwithprefixbefore.
4880 * cpplib.c (cpp_start_read): Process -imacros and -include
4881 switches at the same time and in command-line order, after
4882 initializing the dependency-output code. Emit properly nested
4883 #line directives for them. Emit a #line for the main file
4884 before processing these switches, and don't do it again
4887 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
4889 * function.c (purge_addressof_1): Use bitfield manipulation
4890 routines to handle mem mode < reg mode.
4892 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4894 * reorg.c (try_merge_delay_insns): Account for resources referenced
4895 in each instruction in INSN's delay list before trying to eliminate
4896 useless instructions. Similarly when looking at a trial insn's delay
4899 * reorg.c (check_annul_list_true_false): New function.
4900 (steal_delay_list_from_{target,fallthrough}): Call it and also
4901 refine tests for when we may annul if already filled a slot.
4902 (fill_slots_from_thread): Likewise.
4903 (delete_from_delay_slot): Return newly-created thread.
4904 (try_merge_delay_isns): Use its new return value.
4906 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
4908 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
4909 used to compute a giv or as some other non-counting use.
4911 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4913 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
4914 * local-alloc.c (find_free_reg): Use it.
4915 * global.c (find_reg): Likewise.
4916 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
4918 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
4919 * caller-save.c (init_caller_save): Use it.
4920 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
4922 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4924 * configure.in: Add --enable-cpplib option which uses cpplib
4925 for cpp, but doesn't link cpplib into cc1. Make help text
4926 capitalization consistent.
4927 * configure: Rebuilt.
4929 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
4931 * function.c (gen_mem_addressof): If the address REG is
4932 REG_USERVAR_P make the new REG be so also.
4933 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
4934 in an attempt to clarify slightly.
4936 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
4938 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
4939 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
4941 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
4943 * toplev.c: Fix last patch.
4945 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
4947 * loop.c (get_condition): Fix typo in May 9 change.
4949 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
4951 * invoke.texi (-fexceptions): Merge 2 different descriptions.
4953 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4955 * toplev.c (documented_lang_options): Spelling corrections.
4957 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4959 * configure.in: new flags --with-ld and --with-as, equivalent
4960 to setting LD and AS environment variables. Test whether
4961 specified arguments are GNU commands, and report them with
4962 checking messages. Use the specified AS for configure
4965 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
4967 * gcc.c (find_a_file): when looking for `as' and `ld', return
4968 the DEFAULT program if it exists
4969 * collect2.c (main): use DEFAULT_LINKER if it exists
4971 * gcc.c (find_a_file): the test for existence of a full
4972 pathname was reversed
4974 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
4976 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
4977 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
4979 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
4981 * tree.h (TYPE_BINFO): Document.
4983 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
4985 * i386-coff.h (dbxcoff.h): Added.
4987 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
4989 * toplev.c: fix bad patch around flag_data_sections.
4991 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
4993 * reload1.c (reload): Use reload_address_index_reg_class and
4994 reload_address_base_reg_class when setting
4995 caller_save_spill_class. (Patch generated by Jim Wilson:
4998 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
5000 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
5001 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
5002 * expr.c (store_field): Add alias_set parameter. Set the
5003 MEM_ALIAS_SET accordingly, if the target is a MEM.
5004 (expand_assignment): Use it.
5005 (store_constructor_field): Pass 0.
5006 (expand_expr): Likewise.
5008 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
5010 * flags.h: Add flag_data_sections.
5011 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
5012 (compile_file): Error if flag_data_sections not supported.
5013 * varasm.c (assemble_variable): Handle flag_data_sections.
5014 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
5015 * config/mips/elf.h: Likewise.
5016 * config/mips/elf64.h: Likewise.
5017 * invoke.texi: Describe -fdata-sections.
5019 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
5021 * invoke.texi (-ffloat-store): Clarify that this option
5022 does not affect intermediate results -- only variables.
5024 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
5026 * cpp.texi: Update for Fortran usage from Craig.
5028 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5030 * rs6000.c (function_arg_boundary): Revert accidental change on
5033 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
5035 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
5036 (output_mi_thunk): Declare.
5038 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
5039 (output_function_profiler): Use r12 for temp, instead of r11 so
5040 that we preserve the static chain register.
5042 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
5044 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
5046 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5048 * sh.c (gen_shl_sext): Fix case 5.
5050 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5052 * reload1.c (reload_combine): Re-add line that got accidentally lost.
5054 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5056 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
5057 accessing variables until they are initialized via va_arg().
5059 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5061 * reload1.c (reload_combine): Initialize set before using.
5063 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
5065 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
5068 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
5070 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
5071 operand3 with mask before using it. Patch provided by Jim Wilson.
5073 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5075 * config/sparc/sparc.c (function_value): Perform the equivalent of
5076 PROMOTE_MODE for ARCH64.
5077 (eligible_for_epilogue_delay): Allow DImode operations in delay
5078 slot of a return for ARCH64.
5080 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5082 * sh.md (sqrtsf2): Fix mode of sqrt.
5084 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5086 * reload1.c (choose_reload_regs): Also try inheritance when
5087 reload_in is a stack slot of a pseudo, even if we already got a
5090 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5092 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
5093 (reload_cse_regs): New function body: call reload_cse_regs_1,
5094 reload_combine, reload_cse_move2add.
5095 When doing expensive_optimizations, call reload_cse_regs_1 a
5096 second time after reload_cse_move2add.
5097 (reload_combine, reload_combine_note_store): New functions.
5098 (reload_combine_note_use): New function.
5099 (reload_cse_move2add, move2add_note_store): New functions.
5101 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5103 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
5104 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
5106 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
5107 more than 3 such reloads.
5109 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
5110 RELOAD_FOR_X_ADDR_ADDR reload.
5112 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5114 * expr.c (store_constructor): When initializing a field that is smaller
5115 than a word, at the start of a word, try to widen it to a full word.
5117 * cse.c (cse_insn): When we are about to change a register,
5118 remove any invalid references to it.
5120 (remove_invalid_subreg_refs): New function.
5121 (mention_regs): Special treatment for SUBREGs.
5122 (insert_regs): Don't strip SUBREG for call to mention_regs.
5123 Check if reg_tick needs to be bumped up before that call.
5124 (lookup_as_function): Try to match known word_mode constants when
5125 looking for a norrower constant.
5126 (canon_hash): Special treatment for SUBREGs.
5128 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5130 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
5131 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
5132 defined, emit libcall to __enable_execute_stack. Also fix opcodes
5133 and offsets in actual stack trampoline code so they match the
5134 commentary and actually work.
5136 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5138 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
5140 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
5141 tmake_file. Set extra_parts to needed crt objects.
5142 * configure: Rebuilt.
5143 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
5144 (TARGET_DEFAULT): Set if default is v9 or ultra.
5145 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
5146 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
5147 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
5148 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
5149 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
5150 (TARGET_VERSION): Define.
5151 (MULTILIB_DEFAULT): Define.
5152 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
5153 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
5154 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
5156 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
5157 * config/sparc/sparc.c (sparc_override_options): If arch and
5158 pointer size disagree, emit diagnostic and fix it up. If
5159 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
5160 V8PLUS in 64-bit mode.
5161 * config/sparc/t-linux64: New file.
5162 * config/sparc/t-sol2-64: New file.
5163 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
5164 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
5165 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
5166 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
5167 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
5168 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
5170 (STARTFILE_SPEC): Set approriately based upon those.
5171 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
5172 disposition of DEFAULT_ARCH32_P.
5173 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
5174 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
5175 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
5176 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
5177 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
5179 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
5181 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
5183 * rtl.h (init_virtual_regs): New function.
5184 * emit-rtl.c (init_virtual_regs): Define.
5185 (insn_emit): Use it.
5186 * integrate.c (save_for_inline_copying): Likewise.
5188 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
5190 * config/arm/thumb.h: The following patches were made by Jim Wilson:
5191 (enum reg_class): Add NONARG_LO_REGS support.
5192 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5193 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
5194 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
5195 completes. Re-enable HImode REG+OFFSET addresses.
5196 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5198 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5200 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5202 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5203 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5204 (alpha_align_insns): Properly calculate initial offset wrt max_align.
5206 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
5208 * arm.c (find_barrier): Revert change of Apr 23. Handle table
5209 jumps as a single entity, taking into account the size of the
5212 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5214 * tree.def (SWITCH_EXPR): New tree node definition.
5216 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
5218 * version.c: Bump for snapshot.
5220 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
5222 * version.c: Bump for snapshot.
5224 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
5226 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
5229 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
5231 * Revert this patch.
5232 * reload.c (find_reloads): Do not replace a pseudo with
5233 (MEM (reg_equiv_addr)) in the initializing insn for the
5236 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
5238 * final.c (final_scan_insn): Disable tracking CC across branches.
5240 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5242 * expr.h (eh_rtime_match_libfunc): New extern declaration.
5243 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
5244 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
5245 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
5246 NULL. Only include <stdio.h> if inhibit_libc is not defined.
5248 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
5250 * toplev.c (rest_of_compilation): Skip compiling anything with
5251 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
5253 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
5255 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
5256 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
5257 use in_libcall_block.
5258 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
5259 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
5262 Mon Sep 21 14:02:23 1998
5264 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
5265 typo in no-fancy-math-387 description.
5267 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
5269 * version.c: Bump for snapshot.
5271 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
5273 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
5275 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
5277 * i386.h: (TARGET_SWITCHES) Add description fields for flags
5278 documented in install.texi.
5279 (TARGET_OPTIONS) Likewise.
5281 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
5283 * version.c: Bump for snapshot.
5285 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
5287 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
5288 * cccp.c (main): Likewise.
5290 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
5291 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
5294 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
5296 * Makefile.in (LIBS): Link in libiberty.a.
5297 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
5299 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
5301 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
5302 it to update bb boundaries. Update caller.
5303 * function.c (reposition_prologue_and_epilogue_notes): Update
5304 bb boundaries wrt the moved note.
5306 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
5308 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
5310 * configure: Regenerate.
5312 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
5314 * alpha.c (alpha_sr_alias_set): New variable.
5315 (override_options): Set it.
5316 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
5317 (mode_mask_operand): Fix signed-unsigned comparision warning.
5318 (alpha_expand_block_move): Likewise.
5319 (print_operand): Likewise.
5320 (get_aligned_mem): Use change_address.
5321 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
5322 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
5323 (alphaev4_next_nop, alphaev5_next_nop): New functions.
5324 (alpha_align_insns): Remade from old alphaev5_align_insns
5325 to handle multiple processors.
5326 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
5327 * output.h (label_to_alignment): Prototype.
5329 * tree.c (new_alias_set): New function.
5330 * tree.h (new_alias_set): Declare it.
5331 * c-common.c (c_get_alias_set): Use it.
5333 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
5335 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
5336 to an ABS expr, convert an unsigned input to signed.
5338 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
5340 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
5342 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5344 * configure.in: Add support for c4x targets.
5345 * configure: Rebuilt.
5347 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
5349 * combine.c (distribute_notes): If an insn is a cc0 user, only
5350 delete it if we can also delete the cc0 setter.
5352 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
5354 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
5355 (invert_truthvalue): Enable truthvalue inversion for
5356 floating-point operands if -ffast-math.
5358 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
5360 * configure.in: Disable collect2 for nextstep. Instead use
5362 * configure: Rebuilt.
5363 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
5364 (ENDFILE_SPEC): Define.
5365 (OBJECT_FORMAT_MACHO): Define.
5366 (EH_FRAME_SECTION_ASM_OP): Define.
5367 * crtstuff.c: Handle MACHO.
5369 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
5371 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
5373 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
5375 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
5376 (_fpadd_parts): Get sign right for 0.
5378 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5380 * ginclude/varargs.h: Add support for C4x target.
5381 * ginclude/stdargs.h: Likewise.
5383 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
5385 * alpha.c (alpha_return_addr): SET should be VOIDmode.
5386 (alpha_emit_set_long_const): Rewrite to be callable from reload
5388 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
5389 * alpha.md (movdi): Likewise.
5391 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
5393 * arm.c (add_constant): New parameter address_only, change caller.
5394 Set it non-zero if taking the address of an item in the pool.
5395 (arm_reorg): Handle cases where we need the address of an item in
5398 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
5400 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
5401 memory addresses that are not in standard canonical form.
5403 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
5405 * README.C4X: New file with information about the c4x ports.
5406 * ginclude/va-c4x.h: New file for c4x varargs support.
5407 * config/c4x: New directory with c4x port files.
5409 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
5411 * reload.c (find_reloads): Do not replace a pseudo with
5412 (MEM (reg_equiv_addr)) in the initializing insn for the
5415 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
5417 * toplev.c (rest_of_compilation): Set bct_p on second call to
5419 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
5421 (strength_reduce): Only call analyze_loop_iterations and
5422 insert_bct if bct_p set.
5423 (check_dbra_loop): Fix typo.
5424 (insert_bct): Use word_mode instead of SImode.
5425 (instrument_loop_bct): Likewise. Do not delete iteration count
5426 condition code generation insn. Initialize iteration count before
5428 * rtl.h (loop_optimize): Update prototype.
5430 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
5431 not doubleword aligned.
5433 * rs6000.c (optimization_options): New function.
5434 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
5435 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
5436 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
5437 first; cr1 can be used for FP record condition insns.
5439 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
5441 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
5444 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
5447 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
5449 (block_move_call): New function: Call a library routine to copy a
5451 (m32r_expand_block_move): New function: Expand a "movstrsi"
5452 pattern into a sequence of insns.
5453 (m32r_output_block_move): New function: Expand a
5454 "movstrsi_internal" pattern into a sequence of assembler opcodes.
5455 (m32r_block_immediate_operand): New function: Return true if the
5456 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
5458 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5460 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
5462 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
5464 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5466 * regmove.c (copy_src_to_dest): Check that modes match.
5468 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
5470 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
5472 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
5474 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
5475 narrower than FLOAT_REGS.
5477 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5479 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
5481 * Makefile.in (old_gxx_include_dir): removed
5483 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
5485 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
5488 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
5489 (sh_handle_pragma): Change function arguments to match new
5490 specification for HANDLE_PRAGMA.
5492 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5494 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
5496 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
5497 When generating output, initialize missing struct member to zero.
5499 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5501 * regmove.c (copy_src_to_dest): Don't copy if that requires
5502 (a) new register(s).
5504 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5506 * global.c (reg_allocno): Now static.
5507 * reload1.c (reg_allocno): Delete declaration.
5508 (order_regs_for_reload): Take no arguments. Don't treat regs
5509 allocated by global differently than those allocated by local-alloc.
5511 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
5513 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
5514 condition, fix format strings.
5515 (output_function_epilogue): Likewise.
5517 * m68k/m68k.c: Don't include <stdlib.h> directly.
5519 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
5521 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
5522 mem_first_set, mem_last_set; because 0 can be a CUID.
5523 (oprs_unchanged_p): Use new definition.
5524 (record_last_reg_set_info): Likewise.
5525 (record_last_mem_set_info): Likewise.
5526 (compute_hash_table): Likewise.
5528 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
5530 * rs6000.c (output_epilogue): Handle Chill.
5532 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5533 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5535 * combine.c (make_extraction): If no mode is specified for
5536 an operand of insv, extv, or extzv, default it to word_mode.
5537 (simplify_comparison): Similarly.
5538 * expmed.c (store_bit_field): Similarly.
5539 (extract_bit_field): Similarly.
5540 * function.c (fixup_var_regs_1): Similarly.
5541 * recog.c (validate_replace_rtx_1): Similarly.
5542 * mips.md (extv, extzv, insv expanders): Default modes for most
5543 operands. Handle TARGET_64BIT.
5544 (movdi_uld, movdi_usd): New patterns.
5546 * pa.c (emit_move_sequence): Do not replace a pseudo with its
5547 equivalent memory location unless we have been provided a scratch
5548 register. Similarly do not call find_replacement unless a
5549 scratch register has been provided.
5551 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5553 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
5556 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
5558 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
5559 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
5560 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
5561 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
5562 * c-decl.c (init_decl_processing): Update accordingly.
5563 * expr.c (expand_builtin): Likewise.
5565 * rtl.h (global_rtl): Add cfa entry.
5566 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
5567 (LAST_VIRTUAL_REGISTER): Update.
5568 * emit-rtl.c (global_rtl): Add cfa entry.
5569 (init_emit): Initialize it.
5570 * function.c (cfa_offset): New.
5571 (instantiate_virtual_regs): Initialize it.
5572 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
5573 (expand_function_end): Call expand_eh_return.
5574 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
5576 * except.c (current_function_eh_stub_label): Kill.
5577 (current_function_eh_old_stub_label): Likwise; update all references.
5578 (expand_builtin_set_return_addr_reg): Kill.
5579 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
5580 (expand_builtin_set_eh_regs): Kill.
5581 (eh_regs): Produce a third reg for the actual handler address.
5582 (eh_return_context, eh_return_stack_adjust): New.
5583 (eh_return_handler, eh_return_stub_label): New.
5584 (init_eh_for_function): Initialize them.
5585 (expand_builtin_eh_return, expand_eh_return): New.
5586 * except.h: Update prototypes.
5587 * flow.c (find_basic_blocks_1): Update references to the stub label.
5588 * function.h (struct function): Kill stub label elements.
5590 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
5591 register number is one that would be in the previous window.
5592 Provide a dummy definition for non-windowed targets.
5593 (get_reg_addr): New function.
5594 (get_reg, put_reg, copy_reg): Use it.
5595 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
5596 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
5598 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
5599 (alpha_init_expanders): Initialize it.
5600 (alpha_expand_epilogue): Use it.
5601 * alpha.h: Declare it.
5602 * alpha.md (eh_epilogue): New.
5604 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
5605 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
5607 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
5609 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
5612 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5614 * except.h (struct eh_entry): Add false_label field.
5615 (end_catch_handler): Add prototype.
5616 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
5617 (start_catch_handler): When using old style exceptions, issue
5618 runtime typematch code before continuing with the handler.
5619 (end_catch_handler): New function, generates label after handler
5620 if needed by older style exceptions.
5621 (expand_start_all_catch): No need to check for new style exceptions.
5622 (output_exception_table_entry): Only output the first handler label
5623 for old style exceptions.
5624 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
5625 mechanism into one function, if a runtime matcher is provided.
5627 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5629 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
5631 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
5633 * integrate.c (copy_decl_list): Fix typo.
5635 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5637 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
5640 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
5642 * version.c: Bump for snapshot.
5644 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
5646 * version.c: Bump for snapshot.
5648 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
5650 * version.c: Bump for snapshot.
5652 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5654 * invoke.texi (C Dialect Options): Put back missing @end itemize.
5656 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5658 * configure.in: remove usage of `!' to negate the result of a
5659 command; some common shells do not support it
5661 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5663 * configure.in: in sparc9-sol2 config, use 'if test' not
5665 * configure: Rebuilt.
5667 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
5669 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
5670 (CPP_CPU_DEFAULT_SPEC): Likewise.
5671 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
5672 for arch64 libfuncs.
5674 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
5677 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5679 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
5681 * collect2.c: Don't declare `sys_siglist' here.
5682 (my_strsignal): Prototype and define new function. Use it in
5683 place of `sys_siglist' hacks.
5685 * mips_tfile.c: Likewise.
5687 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
5688 (GCC_NEED_DECLARATIONS): Likewise.
5690 * system.h (strsignal): Prototype it, if necessary.
5691 (sys_siglist): Declare it, if necessary.
5693 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5695 * loop.c (move_movables): While removing insn sequences, preserve
5696 the next pointer of the most recently deleted insn when we skip
5699 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
5701 * objc/config-lang.in: Do not output the name of the selected
5702 thread file when building the front-end. The Makefile for the
5703 runtime library will do this.
5705 * objc/Make-lang.in: Do not build the runtime library or install
5706 the Objective C header files. The Makefile for the runtime
5707 library will do this.
5709 * objc/Makefile.in (all.indirect): Only build the front-end.
5710 (compiler): Rename to `frontend'.
5711 (obj-runtime): Remove target.
5712 (copy-headers): Likewise.
5713 (clean): No need to remove `libobjc.a' any longer.
5715 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
5717 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
5718 supported with -mcpu=xxx.
5720 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5722 * flow.c (mark_set_1): Recognize multi-register structure return
5723 values in CALL insns.
5724 (mark_used_regs): Likewise.
5725 (count_reg_sets_1): Likewise.
5726 (count_reg_references): Likewise.
5727 * rtlanal.c (note_stores): Likewise.
5728 (reg_overlap_mentioned_p): Likewise.
5729 * haifa-sched.c (check_live_1): Likewise.
5730 (update_live_1): Likewise.
5731 (sched_analyze_1): Likewise.
5732 (sched_note_set): Likewise.
5733 (birthing_insn_p): Likewise.
5734 (attach_deaths): Likewise.
5736 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
5739 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
5741 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
5743 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5745 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
5747 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5749 * configure.in: Add check for GAS subsection -1 support.
5750 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
5751 * configure config.in: Rebuilt.
5752 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
5753 SImode is subsection -1 works, else use DImode.
5754 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
5755 subsection -1 works.
5756 * config/sparc/sparc.c (sparc_output_addr_vec,
5757 sparc_output_addr_diff_vec): Use them if defined.
5759 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
5761 * tree.h (DECL_ORIGIN): New macro.
5762 * integrate.c (copy_and_set_decl_abstract_origin): New function.
5763 (copy_decl_list): Use it.
5764 (integrate_parm_decls): Likewise.
5765 (integrate_decl_tree): Likewise.
5766 * dwarf2out.c (decl_ultimate_origin): Simplify.
5767 * dwarfout.c (decl_ultimate_origin): Likewise.
5768 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
5769 (pushdecl): Likewise.
5771 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
5773 * config/rs6000/rs6000.c (output_epilog): Add Java support.
5775 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
5777 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
5779 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
5781 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
5782 empty or has a single entry.
5784 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
5785 before calling reg_to_stack.
5787 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
5789 * alpha.c (alphaev5_insn_pipe): Abort on default case.
5790 (alphaev5_next_group): Swallow CLOBBERs and USEs.
5792 * c-tree.h (warn_long_long): Declare it.
5794 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
5796 * emit-rtl.c (gen_lowpart_common): Disable optimization of
5797 initialized float-int union if the value is a NaN.
5799 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
5801 * c-lex.c (real_yylex): Don't warn about long long constants if
5802 we're allowing long long
5804 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5806 * except.h (current_function_eh_stub_label): Declare.
5807 (current_function_eh_old_stub_label): Declare.
5808 * function.h (struct function): New members eh_stub_label and
5810 * except.c (current_function_eh_stub_label): New variable.
5811 (current_function_eh_old_stub_label): New variable.
5812 (init_eh_for_function): Clear them.
5813 (save_eh_status): Save them.
5814 (restore_eh_status): Restore them.
5815 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
5816 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
5817 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
5818 make an edge from the block that contains it to the block starting
5819 with the label if this label is one of the eh stub labels.
5820 If eh stub labels exist, show they are reachable from the last block
5823 * reload1.c (reload): Break out several subroutines and make some
5825 (calculate_needs_all_insns): New function, broken out of reload.
5826 (calculate_needs): Likewise.
5827 (find_reload_regs): Likewise.
5828 (find_group): Likewise.
5829 (find_tworeg_group): Likewise.
5830 (something_needs_reloads): New global variable, formerly in reload.
5831 (something_needs_elimination): Likewise.
5832 (caller_save_spill_class): Likewise.
5833 (caller_save_group_size): Likewise.
5834 (max_needs): Likewise.
5835 (group_size): Likewise.
5836 (max_groups): Likewise.
5837 (max_nongroups): Likewise.
5838 (group_mode): Likewise.
5839 (max_needs_insn): Likewise.
5840 (max_groups_insn): Likewise.
5841 (max_nongroups_insn): Likewise.
5842 (failure): Likewise.
5844 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
5846 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
5848 * loop.c (load_mems): Copy rtx for output mem.
5850 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
5852 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
5853 mips1 or mips2 either.
5855 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
5857 * pa.c (pa_reorg): New marking scheme for jumps inside switch
5859 (pa_adjust_insn_length): Update to work with new marking scheme
5860 for jumps inside switch tables.
5861 * pa.md (switch_jump): Remove pattern.
5862 (jump): Handle jumps inside jump tables.
5864 * Makefile.in (profile.o): Depend on insn-config.h
5866 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
5868 * iris6.h (DWARF2_UNWIND_INFO): Undef.
5870 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5872 Add preliminary native sparcv9 Solaris support.
5873 * configure.in: Recognize sparv9-*-solaris2*
5874 * configure: rebuilt
5875 * config.sub: Recognize sparcv9 just like sparc64.
5876 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
5877 config/sparc/sol2-cn.asm: Macroize so it can be shared between
5878 32-bit and 64-bit Solaris systems.
5879 * config/sparc/t-sol2: Assemble those with cpp.
5880 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
5881 (*TF*_LIBCALL): If ARCH64 use V9 names.
5882 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
5884 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5886 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
5887 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
5889 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
5891 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
5892 to Pmode if CASE_VECTOR_MODE is something else.
5894 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
5896 * prefix.c (update_path): Correctly handle cases where PATH is
5897 a substring of the builtin prefix, but specifies a different
5900 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
5902 * expr.c: Corrected comment about what MOVE_RATIO does.
5903 * config/alpha/alpha.h: Ditto.
5904 * config/1750a/1750a.h: Ditto.
5905 * config/clipper/clipper.h: Ditto.
5906 * config/i386/i386.h: Ditto.
5908 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
5910 * configure.in (m68k-next-nextstep3*): Use collect2.
5911 Similarly for x86 NeXT configurations.
5912 * configure: Rebuilt.
5914 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
5916 * configure.in: Don't assume srcdir is .../gcc
5917 * configure: Rebuilt.
5919 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
5921 * global.c: Update comments.
5922 (global_alloc): Assign allocation-numbers
5923 even for registers allocated by local_alloc in case
5924 they are later spilled and retry_global_alloc is called.
5925 (mark_reg_store, mark_reg_clobber,
5926 mark_reg_conflicts, mark_reg_death): Always record a
5927 conflict with a pseudo register even if it has been
5928 assigned to a hard register.
5929 (dump_conflicts): Don't list pseudo registers already assigned to
5930 a hard register as needing to be allocated, but do list their
5932 * local-alloc.c: Update comment.
5934 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
5936 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
5937 * configure: Rebuilt.
5939 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
5941 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
5943 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
5944 for all targets that set -msoft-float.
5946 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5948 * toplev.c (print_switch_values): Make static to match prototype.
5950 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
5952 * configure.in: If we are unable to find the "gnatbind" program,
5953 then do not configure the ada subdir.
5954 * configure: Rebuilt.
5956 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
5958 * version.c: Bump for snapshot.
5960 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
5962 * version.c: Bump for snapshot.
5964 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5966 * Makefile.in (toplev.o): Depend on $(EXPR_H).
5967 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
5969 * gansidecl.h: Define ATTRIBUTE_NORETURN.
5971 * genattrtab.c: Have insn-attrtab.c include toplev.h.
5973 * genextract.c: Have insn-extract.c include toplev.h.
5975 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
5977 * toplev.c: Include expr.h.
5978 (really_sorry, fancy_abort): Remove prototypes.
5979 (set_target_switch): Add argument in prototype.
5980 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
5981 (v_really_sorry): Likewise.
5982 (print_version, print_single_switch, print_switch_values): Make
5983 static and add prototype arguments.
5984 (decl_printable_name): Add prototype arguments.
5985 (lang_expand_expr_t): New typedef.
5986 (lang_expand_expr): Declare as a lang_expand_expr_t.
5987 (incomplete_decl_finalize_hook): Add prototype argument.
5988 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
5989 (botch): Likewise for variable `s'.
5990 (rest_of_type_compilation): Mark variables `type' and `toplev'
5991 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
5992 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
5993 (display_help): Make variable `i' an `unsigned long'.
5994 (main): Remove unused parameter `envp'.
5995 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
5996 Cast -1 when comparing it with a `size_t'.
5998 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
5999 prototype with ATTRIBUTE_NORETURN.
6000 (fatal_insn_not_found, fatal_insn, really_sorry,
6001 push_float_handler, pop_float_handler): Add prototypes.
6002 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
6003 (do_abort, botch): Add prototypes.
6005 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
6007 * final.c (final): If a label is reached only from a single jump,
6008 call NOTICE_UPDATE_CC on the jump and its predecessor before
6009 emitting the insn after the label.
6011 * i386.h: Add AMD K6 support.
6012 Change TARGET_* macros to use table lookup.
6013 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
6014 (ADJUST_COST): Change definition to call function in i386.c.
6015 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
6016 * i386.c: Add AMD K6 support.
6017 Add constants for feature tests used by TARGET_* macros.
6018 (split_di): If before reload, call gen_lowpart and gen_highpart.
6019 (x86_adjust_cost): New function.
6020 (put_jump_code): New function.
6021 (print_operand): New codes 'D' and 'd'.
6022 * i386.md: New insn types. New insn attribute "memory".
6023 Redefine scheduling parameters to use new types and add AMD K6
6024 support. Explicitly set type of most insns.
6025 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
6026 Pro and K6 prefer movl $1,reg to incl reg.
6027 (adddi3, subdi3): Set cc_status.
6028 (DImode shift patterns): Change label counters from HOST_WIDE_INT
6029 to int; x86 can't have more than 2^31 DImode shifts per file.
6030 (setcc): Combine all setcc patterns. Allow writing memory.
6031 Combine all jump patterns using match_operator.
6032 (*bzero): Name pattern. Emit mutliple stos instructions when that
6033 is faster than rep stos.
6034 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
6037 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
6039 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
6042 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
6044 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
6045 not whatever we're generating now.
6047 * alpha.c (set_frame_related_p, FRP): New.
6048 (alpha_expand_prologue): Mark frame related insns.
6049 (alpha_expand_epilogue): Likewise, but with a null FRP.
6050 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
6051 * alpha.md (exception_receiver): New.
6052 * alpha/crtbegin.asm (.eh_frame): New beginning.
6053 (__do_frame_setup, __do_frame_takedown): New.
6054 * alpha/crtend.asm (.eh_frame): New ending.
6055 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
6056 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
6057 (ASM_FILE_START): Don't emit .file for dwarf2.
6059 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
6060 * rtl.c (reg_note_name): Likewise.
6061 * rtl.texi (REG_NOTES): Likewise.
6062 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
6065 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
6067 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
6068 * i386.md (movsf, movdf, movxf): Validate memory address returned
6069 from force_const_mem. Kill useless REG_EQUAL setting code.
6071 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
6073 * m68k.md (zero_extendsidi2): Fix typo.
6075 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
6077 * configure.in: Removed references to the removed file
6078 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
6079 * arm*-*-netbsd* and ns32k-*-netbsd*.
6080 * config/i386/xm-netbsd.h: Removed unnecessary file.
6081 * config/m68k/xm-netbsd.h: Likewise.
6082 * config/sparc/xm-netbsd.h: Likewise.
6083 * config/mips/xm-netbsd.h: Likewise.
6085 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
6087 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
6088 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
6090 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
6091 for exact section attributions.
6093 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
6095 * i386/crtdll.h (CPP_PREDEFINES): Define.
6097 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
6099 * m68k.md (5200 movqi): Do not allow byte sized memory references
6101 * m68k.c (output_move_qimode): Do not use byte sized operations on
6104 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
6105 explicit rules for building. Similarly for alloca, vfprintf,
6106 choose-temp and mkstemp, getopt, getopt1, and obstack.
6107 (INCLUDES): Add $(srcdir)/../include.
6108 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
6109 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
6111 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
6113 * gcc.c (do_spec_1): [case 'o'] Account for
6114 lang_specific_extra_outfiles.
6115 (main): Correctly clear all slots in outfiles for
6116 lang_specific_extra_outfiles. Set input_file_number before
6117 calling lang_specific_pre_link.
6119 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
6121 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
6123 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6125 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
6127 (sparc_output_deferred_case_vectors): If no work to do, return.
6128 Fix thinko in Sept 1 change.
6130 1998-09-03 SL Baur <steve@altair.xemacs.org>
6132 * Makefile.in: add semicolon in BISON definition for portability.
6134 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6136 * config/nextstep.c (handle_pragma): Correct name of third
6139 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
6141 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
6142 * config/m32r/m32r.h: Make register 17 be fixed.
6143 * config/m32r/m32r.c: Use SImode for cc operations.
6145 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
6147 * invoke.texi (Warning Options): Add -Wnon-template-friend
6150 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
6152 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
6154 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
6156 * rs6000.md (movsf): Disable explicit secondary-reload-like
6157 functionality if TARGET_POWERPC64.
6158 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
6161 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
6163 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
6164 and term.h from fixinc.wrap.
6166 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6168 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
6169 safe to include both string.h and strings.h together.
6170 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
6171 which headers to search for function declarations. Continue to
6172 prefer string.h over strings.h when both are not acceptable.
6174 * acconfig.h (STRING_WITH_STRINGS): Add stub.
6176 * configure.in: Call GCC_HEADER_STRING.
6178 * system.h: Test STRING_WITH_STRINGS when deciding which headers
6179 to include. Continue to prefer string.h over strings.h when both
6182 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6184 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
6185 not assume top 32-bits of symbolic addresses are zero if
6188 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
6190 * ginclude/va-alpha.h: Protect entire second portion of the
6191 file against double inclusion.
6193 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
6195 Added support for the Boehm's garbage collector.
6196 * configure.in: Handle --enable-objc-gc.
6197 * configure: Rebuilt.
6198 * Makefile.in (CHECK_TARGETS): Add check-objc.
6199 (check-objc): New rule.
6200 * objc/Make-lang.in: Build a different Objective-C library that
6201 runs with the Boehm's collector.
6202 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6203 * objc/encoding.c: Correctly compute the size of compound types in
6204 the presence of bitfields. Skip the variable name of the type if
6205 any. Added support for long long.
6206 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
6207 (_F_GCINVISIBLE): New mask.
6208 * objc/gc.c: New file. Compute the type memory mask associated with
6209 a class based on the runtime information.
6210 * objc/misc.c: Added the hooks that use the Boehm's collector
6211 allocation functions.
6212 * objc/objc-act.c (build_class_template): Generate a new class
6213 member (gc_object_type) to hold the class' type memory mask.
6214 (build_shared_structure_initializer): Initialize the new member to
6216 (encode_complete_bitfield): New function. Generate the new
6218 (encode_field_decl): Generate the new encoding only for the GNU
6220 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
6222 (class_get_gc_object_type): New function to mark a pointer instance
6223 variable as a weak pointer.
6224 * objc/objc-features.texi: New file.
6225 * objc/objc.h (gc_object_type): New class member.
6226 * objc/objects.c (class_create_instance): Create a typed memory
6227 object when compiled with Boehm's collector support.
6228 * objc/sendmsg.c (__objc_init_install_dtable): Call
6229 __objc_send_initialize instead of setting the initialize flag.
6230 (__objc_send_initialize): Call __objc_generate_gc_type_description
6231 to generate the class type memory mask. Rewrite the code that
6232 sends the +initialize so that it is called only once (bug report
6233 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
6234 * testsuite/objc: New testsuite for Objective-C type encoding.
6235 * testsuite/lib/objc-torture.exp: New file.
6236 * testsuite/lib/objc.exp: New file.
6238 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
6240 * jump.c (jump_optimize): In if/then/else transformations, add
6241 another call to modified_between_p for the jump insn.
6243 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
6245 * fix-header.c (symlink): Treat like readlink.
6247 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6249 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
6252 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
6254 * config/nextstep.h: Update HANDLE_PRAGMA macro.
6255 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
6256 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
6258 * config/nextstep.c (handle_pragma): Take three arguments, as per
6259 the new HANDLE_PRAGMA macro specification.
6260 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
6261 per the new HANDLE_PRAGMA macro specification.
6262 * config/i960/i960.c (process_pragma): Take three arguments, as
6263 per the new HANDLE_PRAGMA macro specification.
6265 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
6267 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
6268 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
6269 if unknown pragmas are encountered.
6270 (handle_sysv_pragma): Interpret return code from
6271 handle_pragma_token (). Return success/failure indication rather
6272 than next unprocessed character.
6273 (pragma_getc): New function: retrieves characters from the
6274 input stream. Defined when HANDLE_PRAGMA is enabled.
6275 (pragma_ungetc): New function: replaces characters back into the
6276 input stream. Defined when HANDLE_PRAGMA is enabled.
6278 * c-pragma.c (handle_pragma_token): Return success/failure status
6281 * c-pragma.h: Change prototype of handle_pragma_token().
6283 * varasm.c: (handle_pragma_weak): Only create this function if
6284 HANDLE_PRAGMA_WEAK is defined.
6286 * c-common,c (decl_attributes): If defined call the expression
6287 contained within the INSERT_ATTRIBUTES macro before adding
6288 attributes to a decl.
6290 * tm.texi (HANDLE_PRAGMA): Document the new verion of
6291 HANDLE_PRAGMA, which takes three arguments.
6292 (INSERT_ATTRIBUTES): Document this new macro.
6294 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
6295 new INSERT_ATTRIBUTES macro.
6297 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6299 * config/sparc/sparc.md (movdf): Only generate special RTL for
6300 LABEL_REFs when PIC.
6301 (move_label_di): Remove
6302 (movdi_pic_label_ref, movdi_high_pic_label_ref,
6303 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
6304 references when PIC.
6305 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
6306 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
6307 output an .xword for all 64-bit cases.
6309 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6311 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
6312 alignment, use FUNCTION_BOUNDARY instead.
6313 (sparc_output_deferred_case_vectors): Likewise.
6315 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6317 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
6318 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
6320 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
6322 * alpha/va_list.h: New file.
6323 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
6325 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
6327 * NEWS: Add SCO Openserver and Unixware 7 notes.
6331 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
6333 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
6334 (record_constant_1): Handle RANGE_EXPR.
6336 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
6338 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
6339 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
6340 and NOTE_INSN_RANGE_END specially.
6341 (reemit_notes): Likewise.
6343 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6345 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
6346 (ultrasparc_sched_init): Remove unneeded &.
6348 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6350 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
6351 for m68020-60, to prevent the use of fintrz.
6353 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
6355 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
6357 * Makefile.in: Likewise.
6358 * configure: Regenerated.
6360 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
6362 * configure.in (gxx_include_dir): Changed to
6363 '${prefix}/include/g++'-${libstdcxx_interface}.
6364 * configure: Rebuilt.
6366 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
6368 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
6370 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
6371 *sequences* *below* which scalar moves will be used.
6373 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
6375 * collect2.c (mktemp): Delete unused declaration.
6377 * config/xm-netbsd.h: Remove unnecessary file.
6378 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
6379 file anymore, it is not needed.
6381 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
6383 * convert.c (convert_to_integer): Issue an error on conversions to
6386 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
6388 * Makefile.in: Add lang_tree_files and gencheck.h.
6389 * configure.in: Generate them.
6390 * gencheck.c: Include gencheck.h.
6392 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6394 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
6395 movdi_lo_sum_pic and movdi_high_pic and make visible.
6396 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
6397 emit these when Pmode is not SImode.
6398 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
6400 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
6402 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
6403 .linkonce directive after the first time.
6405 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
6407 * m68k.md (beq0_di): Generate correct (and more efficient) code when
6408 the clobbered operand overlaps with an input.
6409 (bne0_di): Similarly.
6411 * Makefile.in (INSTALL): Remove "--no-header" argument.
6413 * NEWS: Various updates.
6415 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6417 * config/sparc/sparc.c (arith_operand, const64_operand,
6418 const64_high_operand, arith_double_4096_operand): Mark mode as
6420 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
6422 (sparc_emit_set_const64): Remove unused variable i.
6423 (sparc_splitdi_legitimate): Likewise for addr_part.
6424 (ultra_code_from_mask): Likewise for mask.
6425 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
6426 reverse return values so it matches usage and comments.
6427 (ultra_flush_pipeline): Likewise.
6428 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
6429 this_type, and allow loads and stores of differing FP modes as
6430 they do not create a conflict.
6431 (ultra_find_type): Initialize fpmode to SFmode, fix
6432 parenthesization thinkos in large conditional.
6433 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
6434 Init free_slot_mask after ultra_cur_hist is reset, not before.
6435 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
6436 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
6437 use ultra_flush_pipeline instead, then re-init group pointer.
6438 Fix statement with no effect. If no progress made in, and no
6439 instructions scheduled at all, advance to new pipeline cycle else
6440 we get into an endless loop.
6441 (ultrasparc_adjust_cost): Remove previous arg.
6442 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
6444 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
6446 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
6447 code. Use reg_overlap_mentioned_p to detect when source and
6448 destination overlap.
6449 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
6451 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
6453 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
6454 COMPARISON_VAL, into invariant_p.
6456 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6458 * regmove.c (regclass_compatible_p): New function.
6459 (regmove_optimize): Use it.
6461 Use NREGS parameter insted of calling max_reg_num.
6463 (fixup_match_1): Don't use code = MINUS when later tieing with
6464 a hard register is likely.
6466 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6468 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
6469 COMPARISON_VAL was normalized.
6471 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
6473 * loop.c (check_dbra_loop): The loop ending comparison value
6474 must be an invariant or we can not reverse the loop.
6476 * loop.c (scan_loop): Count down from max_reg_num - 1 to
6477 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
6479 (load_mems_and_recount_loop_regs_set): Likewise.
6481 * i386.c (print_operand): Remove obsolete 'c' docs.
6483 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
6485 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
6486 * frame.c (init_object_mutex): New function.
6487 (init_object_mutex_once): Likewise.
6488 (find_fde): Call it.
6489 (__register_frame_info): Likewise.
6490 (__register_frame_info_table): Likewise.
6491 (__deregister_frame_info): Likewise.
6493 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
6495 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
6497 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6499 * loop.c (check_dbra_loop): Enable code for reversal
6500 of some loops without a known constant loop end.
6502 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
6504 * haifa-sched.c (last_clock_var): New.
6505 (schedule_block): Initialize it.
6506 (schedule_insn): Use it to fill insn modes with issue information.
6508 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
6509 Tag trapb and next insn with TImode.
6510 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
6511 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
6512 Invoke alphaev5_align_insns as appropriate.
6513 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
6514 (MD_SCHED_VARIABLE_ISSUE): New.
6515 * alpha.md (attr type): Add multi.
6516 (define_asm_attributes): New.
6517 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
6518 (arg_home): Likewise.
6519 (fnop, unop, realign): New.
6521 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
6523 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
6524 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
6526 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
6527 (rs6000-ibm-aix4.[12]*): Likewise.
6528 * configure: Regnerate.
6530 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
6532 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
6533 already contains the return address.
6535 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
6537 * calls.c (expand_call): Use bitfield instructions to extract/deposit
6538 word sized hunks when loading unaligned args into registers.
6540 * haifa-sched.c (sched_analyze_insn): Only create scheduling
6541 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
6543 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
6545 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6547 * loop.c (check_dbra_loop): Add some code that would allow reversal
6548 of some loops without a known constant loop end if it were enabled.
6550 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
6552 * mips.md (lshrsi3_internal2+2): Fix type-o.
6554 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6556 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
6557 correctly with regards to stdio.h.
6559 * calls.c: Remove stdarg.h/varargs.h.
6562 * combine.c: Likewise.
6563 * cpperror.c: Likewise.
6564 * cpplib.c: Likewise.
6565 * cpplib.h: Likewise.
6566 * doprint.c: Likewise.
6567 * emit-rtl.c: Likewise.
6568 * final.c: Likewise.
6569 * fix-header.c: Likewise.
6571 * genattr.c: Likewise.
6572 * genattrtab.c: Likewise.
6573 * gencodes.c: Likewise.
6574 * genconfig.c: Likewise.
6575 * genemit.c: Likewise.
6576 * genextract.c: Likewise.
6577 * genflags.c: Likewise.
6578 * genopinit.c: Likewise.
6579 * genoutput.c: Likewise.
6580 * genpeep.c: Likewise.
6581 * genrecog.c: Likewise.
6582 * mips-tfile.c: Likewise.
6583 * prefix.c: Likewise.
6584 * protoize.c: Likewise.
6585 * regmove.c: Likewise.
6586 * toplev.c: Likewise.
6589 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6591 * config/sparc/sparc.c (sparc_override_options): If not
6592 TARGET_FPU, turn off TARGET_VIS.
6593 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
6594 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
6595 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
6596 (movdi_insn_sp64): Add VIS fzero alternative.
6597 (clear_sf, clear_df): New VIS patterns.
6598 (movsf, movdf expanders): Allow fp_zero_operand flat out when
6600 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
6602 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
6604 * loop.c (n_times_set, n_times_used, may_not_optimize,
6605 reg_single_usage): Convert to varrays. All uses changed.
6606 (insert_loop_mem): Return a value.
6607 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
6608 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
6611 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
6614 * configure.in: Do not set thread_file to "irix" since no such
6617 * sparc.md (float abs/neg splits): Check reload_completed before
6618 calling alter_subreg.
6620 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6622 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
6624 * config/sparc/sparc.h: Declare it.
6625 * config/sparc/sparc.md (float abs/neg splits): Use it.
6626 (all other splits): Handle SUBREGs properly where necessary.
6627 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
6629 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
6631 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
6632 an insn on the unfilled_slots_list that has no delay slots.
6633 (fill_eager_delay_slots): Similarly.
6635 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
6637 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
6638 as an ordinary operand.
6640 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
6642 * tree.c (valid_machine_attribute): Don't apply attributes to both
6645 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
6647 * reload.c (operands_match_p): Handle rtvecs.
6649 * i386.c (legitimate_pic_address_disp_p): New.
6650 (legitimate_address_p): Use it.
6651 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
6652 Handle constant pool symbols just like statics.
6653 (emit_pic_move): Use Pmode not SImode for clarity.
6654 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
6655 [UNSPEC]: New, handling what we killed above.
6656 [PLUS]: Detect and abort on invalid symbol arithmetic.
6657 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
6659 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
6661 * alias.c: Include output.h.
6662 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
6663 different if we're in a varargs function.
6664 * Makefile.in (alias.o): Depend on output.h
6666 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6668 * sh.h (GIV_SORT_CRITERION): Delete.
6670 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
6672 * regclass.c (regclass): Use xmalloc/free instead of alloca.
6673 * stupid.c (stupid_life_analysis): Ditto.
6674 * reload1.c (reload): Ditto.
6676 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6678 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
6679 arith_double_4096_operand, arith_double_add_operand): New
6681 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
6682 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
6683 them to transform add/sub 4096 into add/sub -4096.
6685 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6687 * loop.c (scan_loop): Allocate some slop to handle pseudos
6688 generated by move_movables.
6689 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
6692 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
6694 * tree.def (DECL_RESULT): Correct documentation.
6696 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6698 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
6699 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
6700 conflicts will all RELOAD_FOR_OUTPUT reloads.
6702 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
6703 loads the function result, substitute with a USE.
6705 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6707 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
6708 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
6709 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
6710 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
6711 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
6712 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
6714 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
6715 'o' to 'm' for GPR variant constraints.
6717 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
6719 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
6721 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
6723 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
6724 when the source and destination overlap.
6726 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
6727 clash with global type.
6729 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
6731 * fixinc.irix: Add curses.h handling from fixinc.wrap.
6733 * c-common.c (combine_strings): Also set TREE_READONLY.
6734 Change warn_write_strings to flag_const_strings.
6735 * c-decl.c, c-tree.h: Likewise.
6737 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6739 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
6740 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
6741 sequence, use SET/IOR instead so CSE can see it.
6742 * config/sparc/sparc.md (movhi_const64_special,
6743 movsi_const64_special): New patterns necessitated by that change.
6744 (movhi_high): Remove.
6745 (movhi_lo_sum): Change to match an IOR.
6746 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
6747 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
6748 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
6749 (movdf splits): Allow when not V9 or when not ARCH64 and integer
6750 registers are involved.
6751 (snesi_zero_extend split): Remove reload_completed test.
6752 (unnamed plus and minus zero_extend sidi splits): Add it.
6754 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
6756 * extend.texi: Remove description of extension to explicit
6757 instantiation that is now endorsed by standard C++.
6759 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6761 * config/arc/arc.c (arc_initialize_pic): Remove.
6762 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
6763 nothing on any platform and is invoked by no-one, it does not even
6764 appear in the documentation.
6765 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
6766 * config/sparc/sparc.c (initialize_pic): Likewise.
6767 (find_addr_reg): Remove this as well, no longer referenced after
6770 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
6772 * recog.c (validate_replace_rtx_group): New function.
6773 * recog.h (validate_replace_rtx_group): Declare it.
6774 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
6775 the entire group of substitutions.
6777 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
6779 * loop.c (load_mems): Fix initializers.
6781 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6783 * config/sparc/sparc.md (TFmode splits): Handle destination
6784 registers being referenced in the address correctly.
6786 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
6787 TREE_UNSIGNED, when bitsize of type's mode is larger than
6788 HOST_BITS_PER_WIDE_INT.
6790 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6792 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
6793 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
6794 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
6796 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
6799 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
6801 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
6802 * h8300.h (TINY_DATA_NAME_P): Likewise.
6803 (STRIP_NAME_ENCODING): Handle '&'.
6805 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
6806 register (it could be accessed via an outer SUBREG).
6807 (REG_OK_FOR_BASE_P): Likewwise.
6808 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
6810 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
6813 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
6815 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6817 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
6818 must be offsettable so the splits can be made.
6820 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
6822 * config/i386/winnt.c: Include system.h, not stdio.h to get
6823 sys/param.h pulled in before rtl.h in case the system defines MIN
6826 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
6828 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
6830 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
6832 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
6834 * cpplib.c (cpp_define): Handle macros with parameters.
6836 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6838 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
6839 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
6840 and DImode 64-bit. Use llong for minimal-toc SFmode and
6841 SYMBOL_REF / LABEL_REF 64-bit.
6842 (output_function_profiler): Use llong for profiler label and ld to
6843 load 64-bit label address.
6845 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
6847 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
6850 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
6852 * version.c: Bump for snapshot.
6854 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
6856 * version.c: Bump for snapshot.
6858 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
6860 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
6862 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
6864 * tm.texi (Misc): Fix typo "teh".
6866 * tm.texi (PIC): Fix typo "PPIC".
6868 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
6869 effect when -O2 and higher.
6870 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
6872 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
6874 * regclass.c: Changed register set documentation to be consistent
6877 * final.c (final_start_function) Removed redundant test for
6880 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
6882 * rtl.h (rtx_function): New type.
6883 (for_each_rtx): New function.
6884 * rtlanal.c (for_each_rtx): Define it.
6886 * recog.c (change_t): New type.
6887 (change_objects, change_old_codes, change_locs, change_olds):
6889 (changes): New variable.
6890 (validate_change): Dynamically allocate room for more changes, if
6891 necessary. Uses changes array instead of change_objects, etc.
6892 (apply_change_group): Use changes array instead of
6893 change_objects, etc.
6895 * loop.c (loop_mem_info): New type.
6896 (loop_mems): New variable.
6897 (loop_mems_idx): Likewise.
6898 (looop_mems_allocated): Likewise.
6899 (scan_loop): Remove nregs parameter.
6900 (next_insn_in_loop): New function.
6901 (load_mems_and_recount_loop_regs_set): Likewise.
6902 (load_mems): Likewise.
6903 (insert_loop_mem): Likewise.
6904 (replace_loop_mem): Likewise.
6905 (replace_label): Likewise.
6906 (INSN_IN_RANGE_P): New macro.
6907 (loop_optimize): Don't pass max_reg_num() to scan_loop.
6908 (scan_loop): Remove nregs parameter, compute it after any new
6909 registers are created by load_mems. Use INSN_IN_RANGE_P and
6910 next_insn_in_loop rather than expanding them inline. Call
6911 load_mems to load memory into pseudos, if appropriate.
6912 (prescan_loop): Figure out whether or not there are jumps from the
6913 loop to targets other than the label immediately following the
6914 loop. Call insert_loop_mem to notice all the MEMs used in the
6915 loop, if it could be safe to pull MEMs into REGs for the duration
6917 (strength_reduce): Use next_insn_in_loop. Tweak comments.
6919 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
6921 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
6923 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6925 * config/sparc/sparc.c (finalize_pic): Check for the correct
6926 nonlocal_goto_receiver UNSPEC number.
6927 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
6928 making note of this dependency existing in sparc.c
6929 (negtf2_notv9 split): Give NEG SFmode.
6930 (negsf2): Fix insn output string.
6932 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
6934 * c-common.c (decl_attributes): Issue an error if the argument
6935 to alias is not a string.
6937 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
6939 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
6940 pending memory flush list.
6942 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
6944 (try_combine): Allow combining insns with REG_LIBCALL notes.
6946 * expr.c (emit_block_move): Do not call memcpy as a libcall
6947 instead build up a CALL_EXPR and call it like any other
6949 (clear_storage): Similarly for memset.
6951 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
6954 * Makefile.in (cplus-dem.o): Provide explicit rules for building
6957 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
6958 and REG_LIVE_LENGTH as successful substitutions are made.
6960 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6962 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
6963 statement after end of loop label.
6965 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6967 * config/sparc/sparc.c (ultra_types_avail): New variable.
6968 (ultra_build_types_avail): New function to record mask of insn
6969 types in ready list at this cycle.
6970 (ultrasparc_sched_reorder): Call it.
6971 (ultra_find_type): Use it to quicken the search. Also simplif
6972 dependency check, don't use rtx_equal_p because we know exactly
6973 what we are looking for.
6975 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
6977 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
6978 for architecture v4.
6980 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6982 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
6984 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
6985 movdf_const_intreg and helper splits): New patterns to move float
6986 constants into integer registers.
6987 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
6990 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
6993 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
6995 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
6997 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
6998 a BASE_REGS register is needed as an intermediate when copying
6999 a symbolic value into any register class other than BASE_REGS.
7001 * expr.c (move_by_pieces): No longer static. Remove prototype.
7002 * rtl.h (move_by_pieces): Add extern prototype.
7003 * mips.c (expand_block_move): Handle aligned straight line copy by
7004 calling move_by_pieces.
7006 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
7009 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
7011 * stmt.c (expand_end_loop): Tidy. Allow unconditional
7012 jumps out of the loop to be treated as part of the exit test.
7014 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7015 Jeff Law <law@cygnus.com>
7017 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
7018 * cplus-dem.c: Delete.
7020 * Makefile.in (fold-const.o): depend on $(RTL_H).
7022 * fold-const.c: Include rtl.h to get the prototype for
7023 `set_identifier_local_value'.
7025 * loop.c (express_from_1): Remove unused variable `tmp'.
7026 (combine_givs): cast the first argument of bzero to char *.
7028 * toplev.c (display_help): Remove unused variable `looking_for_start'.
7030 * c-decl.c (init_decl_processing): Remove unneeded &.
7032 * alpha.h (alpha_initialize_trampoline): Provide prototype.
7034 * except.c (set_exception_lang_code, set_exception_version_code):
7035 Change parameter from `short' to `int' to avoid using a gcc
7038 * except.h (set_exception_lang_code, set_exception_version_code):
7039 Likewise for prototypes.
7041 * flow.c (count_reg_references): Remove unused variables `regno'
7044 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
7046 * prefix.c (translate_name): Cast the result of `alloca'.
7048 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
7050 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7052 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
7054 (valid_dbcc_comparison_p): Mark mode argument as unused.
7055 (symbolic_operand): Likewise.
7056 (legitimize_pic_address): Likewise.
7057 (const_uint32_operand): Likewise.
7058 (const_sint32_operand): Likewise.
7059 * sched.c [!INSN_SCHEDULING]: Define only dummy function
7060 schedule_insns and comment out rest of file.
7062 * m68k.c (output_move_simode_const): Use subl to move a zero into an
7064 (output_move_[hq]imode): Likewise.
7066 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
7068 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
7069 * invoke.texi: Corresponding changes.
7071 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
7073 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
7075 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7077 * config/sparc/sparc.c (ultra_code_from_mask,
7078 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7079 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
7080 ultrasparc_sched_init, ultrasparc_variable_issue,
7081 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
7082 functions to describe UltraSPARC pipeline exactly to Haifa.
7083 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
7084 as there is nothing the scheduler can do about it. Indicate that
7085 REG_DEP_OUTPUT's collide. Fixup formatting.
7086 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
7087 divide costs on Ultra for DImode.
7088 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
7090 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
7091 ieuN and add call_no_delay_slot to type list.
7092 (cti function unit): New unit for branches on UltraSPARC.
7093 (subx/addx insns): Set type to misc.
7094 (sidi zero/sign extension insns on arch64): Set type to shift.
7095 (sign_extendhidi2_insn): Set type to sload.
7097 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
7099 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
7100 (output_epilog): Use if != 0 for offset.
7101 (rs6000_fatal_bad_address): Prepare for Intl.
7102 * rs6000.h (rs6000_fatal_bad_address): Declare.
7103 * rs6000.md (movsfcc, movdfcc): Use else if.
7104 (elf_high): Use {liu|lis}.
7105 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
7106 (movsi): Use rs6000_fatal_bad_address.
7108 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
7110 * reload.c (find_equiv_reg): Reject equivalences separated
7111 by a volatile instruction.
7113 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7115 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
7117 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
7119 * alpha.md (movsicc): Fix mode mismatch.
7121 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
7123 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
7125 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
7127 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7129 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
7130 write-only modifier from operand 1 constraint.
7132 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7134 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
7135 emitting a XOR of -1 at the end, emit a NOT instead for combine's
7137 (sparc_emit_set_const64): Likewise, also when computing trailing
7138 bits do not negate low_bits and make fast_int an int.
7140 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
7142 * loop.c (add_label_notes): Do not ignore references to labels
7143 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
7144 * gcse.c (add_label_notes): Similarly.
7146 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
7148 * m68k.md (adddi_dilshr32): One of the operands must be a register.
7149 (adddi_dishl32): Similarly.
7151 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
7153 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
7154 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
7155 * cse.c (cse_basic_block): Add parens to shut up warnings.
7157 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7159 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
7160 sparc_emit_set_const64_longway, const64_is_2insns,
7161 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
7162 in 64-bit constant formation.
7163 * config/sparc/sparc.md (snesi_zero_extend split): Generate
7164 rtl for addx not subx.
7165 (define_insn movdi_const64_special): Make available even when
7166 HOST_BITS_PER_WIDE_INT is not 64.
7167 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
7168 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
7169 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
7170 instances of operand 1 inside a QI subreg.
7171 (xordi3_sp64_dbl): Remove '%' constraint for op1.
7172 (one_cmpldi2_sp64): Fix output string.
7173 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
7175 (unnamed arch64 ashift DI): Truncate shift count if greater than
7178 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7180 * expr.c (store_expr): Don't optimize away load-store pair
7181 when either source or destination have a side effect.
7183 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
7185 * genrecog.c (add_to_sequence): Fatal error if the modes of the
7186 operands of SET are incompatible.
7188 * alpha.md: Fix max and min patterns so modes of SET operands match.
7190 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
7192 * configure.in: Avoid [[ by using test and changequote.
7193 * configure: Rebuild.
7195 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7197 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7199 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7200 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7201 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7202 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7203 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7204 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
7205 Fix mismatching modes in SET operands.
7206 (conditional move patterns): Fix formatting.
7207 (unnamed subx arch64 pattern): Remove duplicate insn.
7209 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7211 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7212 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
7213 (input_operand): Fixup test for what we accept for constant
7215 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
7217 (safe_constDI): Remove.
7218 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7219 gen_safe_XOR64): New functions.
7220 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
7221 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
7223 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
7224 available when HOST_BITS_PER_WIDE_INT is not 64.
7225 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
7226 move before movdi_insn_sp64 pattern.
7227 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
7228 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
7229 symbolic_operand as predicate for second operand.
7230 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
7231 expander): Give set VOIDmode.
7233 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
7235 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
7237 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
7239 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
7241 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
7243 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
7245 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
7247 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
7249 * install.texi: Various SCO OpenServer tweaks.
7251 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
7253 * reload1.c (eliminate_regs_in_insn): Handle another case when
7254 eliminating the frame pointer to the hard frame pointer. Add
7255 missing ep->to_rtx check to one existing case.
7257 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
7259 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7261 * tree.h: De-conditionalize init_priority code.
7263 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
7264 * collect2.c (NM_FLAGS): Change from -p to -n.
7266 * configure.in: Turn on collect2 for mipstx39-elf.
7267 Handle use_collect2=no properly.
7269 * c-common.c: De-conditionalize init_priority code.
7270 * collect2.c (extract_init_priority, sort_ids): New fns.
7271 (main): Call sort_ids.
7272 Move sequence_number to file scope.
7274 * configure.in: Handle --enable-init-priority.
7275 * c-common.c (attrs): Add A_INIT_PRIORITY.
7276 (init_attributes, decl_attributes): Likewise.
7277 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
7278 * tree.c (get_file_function_name_long): Split out...
7279 (get_file_function_name): ...from here.
7281 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
7283 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
7286 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
7288 * toplev.c (display_help): Add braces to shut up warnings.
7289 * tree.c (simple_cst_equal): Likewise.
7291 * fold-const.c (non_lvalue): Don't deal with null pointer
7293 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7295 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
7296 of any size to a pointer.
7298 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
7300 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
7302 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
7304 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
7305 which will be saved.
7306 * mn10300.md (prologue insn): Only save registers which need saving.
7307 (epilogue insn): Similarly.
7309 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
7312 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
7314 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
7315 VAR_DECL's in gp addressable sections.
7317 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
7319 * sparc.c: Change return <exp> to <exp>; return; in functions
7321 * sparc.md: Add empty semicolon statement after final label in
7324 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7326 * config/sparc/sparc.md (define_insn addx_extend): Rename to
7327 addx_extend_sp64, only allow when TARGET_ARCH64.
7328 (define_insn addx_extend_sp32 and split): Version that works when
7330 (define_insn subx_extend): Likewise.
7331 (define_split adddi3 and subdi3 with zero extension): Fixup and
7332 correct bugs when not TARGET_ARCH64.
7334 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
7336 * except.c (set_exception_lang_code, set_exception_version_code):
7337 Use prototype-style definition if __STDC__, to match declaration
7340 * genemit.c: Change FAIL and DONE macros not to use loops.
7342 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
7344 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
7345 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
7347 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
7349 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
7351 * README.g77: Update from Craig.
7353 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7355 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
7357 (safe_constDI sparc_emit_set_const64_quick1,
7358 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7359 analyze_64bit_constant, const64_is_2insns,
7360 create_simple_focus_bits): Fix some bugs when compiled on real
7362 (function_arg_record_value_3, function_arg_record_value_2,
7363 function_arg_record_value): Add fully prototyped forward decls.
7364 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
7365 to cmpsi_insn and use on both 64 and 32 bit targets.
7366 (define_insn cmpsi_insn_sp64): Remove.
7367 (define_expand zero_extendsidi2): Allow for 32-bit target too.
7368 (define_insn zero_extendsidi2_insn): Rename to
7369 zero_extendsidi2_insn_sp64.
7370 (define_insn zero_extendsidi2_insn_sp32): New pattern and
7371 assosciated forced split for it.
7373 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7375 * config/sparc/sparc.h: Declare them.
7376 (PREDICATE_CODES): Add them.
7377 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
7378 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
7380 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
7382 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
7383 in v9 case as the latter makes the Solaris assembler crash.
7385 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7387 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
7388 for TFmode when !v9. We require offsettable memory addresses.
7389 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
7390 DFmode register number conversions.
7391 * config/sparc/sparc.md (define_split DFmode moves): If register
7392 is a SUBREG do alter_subreg on it before using.
7393 (define_expand movtf): Fixup comment about alignment on v9.
7394 (define_split TFmode moves): Don't use gen_{high,low}part, create
7395 explicit SUBREGs instead.
7397 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
7399 * Makefile.in (mbchar.o): Depend on mbchar.c.
7401 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7402 Richard Henderson <rth@cygnus.com>
7404 Rewrite Sparc backend for better code generation and
7405 improved sparc64 support.
7406 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
7408 * config/sparc/sysv4.h: Likewise.
7409 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
7410 move_operand, v8plus_regcmp_op, emit_move_sequence,
7411 singlemove_string, doublemove_string, mem_aligned_8,
7412 output_move_double, output_move_quad, output_fp_move_double,
7413 move_quad_direction, output_fp_move_quad, output_scc_insn):
7415 (small_int_or_double): New predicate.
7416 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
7417 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
7418 old pic_{sethi,lo_sum}_si patterns.
7419 (mem_min_alignment): New generic function to replace
7420 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
7421 available and can test for arbitrary alignments. All callers
7423 (save_regs, restore_regs, build_big_number,
7424 output_function_prologue, output_cbranch, output_return,
7425 sparc_flat_save_restore, sparc_flat_output_function_prologue,
7426 sparc_flat_output_function_epilogue): Prettify
7428 (output_function_epilogue): Likewise and add code to output
7429 deferred case vectors.
7430 (output_v9branch): Likewise, add new arg INSN and use it to tack
7431 on branch prediction settings. All callers changed.
7432 (print_operand): Likewise and output %l44 for LO_SUMs when
7434 (sparc_splitdi_legitimate): New function to make sure DImode
7435 splits can be run properly when !arch64.
7436 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
7437 Reformat example code in comments.
7438 (set_extends): Remove UNSPEC/v8plus_clear_high case.
7439 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
7440 of deferred case vectors we need to output.
7441 (sparc_defer_case_vector): Record a case vector.
7442 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
7443 sparc_output_deferred_case_vectors): New functions to output them.
7444 (sparc_emit_set_const32): New function to form 32-bit constants in
7445 registers when that requires more than one instruction.
7446 (safe_constDI, sparc_emit_set_const64_quick1,
7447 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7448 analyze_64bit_constant, const64_is_2insns,
7449 create_simple_focus_bits, sparc_emit_set_const64): New functions
7450 which do the same for 64-bit constants when arch64.
7451 (sparc_emit_set_symbolic_const64): New function to emit address
7452 loading for all code models on v9.
7453 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
7454 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
7455 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
7456 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
7457 inaccuracies in comments, add symbolic and text_segment operands
7458 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
7459 GENERAL_REGS in these cases as a temp REG is needed to load these
7460 addresses into a register properly.
7461 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
7463 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
7464 quads are guarenteed to have 16-byte alignment.
7465 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
7466 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
7467 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
7468 deferred case vector implementation.
7469 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
7470 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
7471 Generate "internal label - label" instead of "label - 1b".
7472 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
7473 (PREDICATE_CODES): Remove sparc_operand, move_operand,
7474 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
7476 (doublemove_string, output_block_move, output_fp_move_double,
7477 output_fp_move_quad, output_move_double, output_move_quad,
7478 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
7479 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
7480 (sparc_emit_set_const32, sparc_emit_set_const64,
7481 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
7482 mem_min_alignment, small_int_or_double): Add externs.
7483 * config/sparc/sparc.md: Document the many uses of UNSPEC and
7484 UNSPEC_VOLATILE in this backend.
7485 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
7486 unary to types which execute in it.
7487 (define_function_unit ieu_shift): Rename to ieu0.
7488 (define_function_unit ieu1): New, executes compare, call, and
7489 uncond_branch type insns.
7490 (define_function_units for type fdivs, fdivd, fsqrt): These
7491 execute in the fpu multiply unit not the adder on UltraSparc.
7492 (define_expand cmpdi): Disallow TARGET_V8PLUS.
7493 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
7494 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
7495 allows the arith_double_operand predicate and rHI constraint when
7497 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
7498 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
7499 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
7500 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
7501 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
7502 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
7503 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
7504 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
7505 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
7506 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
7507 sign_extendqihi2_insn, sign_extendqisi2_insn,
7508 sign_extendqidi2_insn, sign_extendhidi2_insn,
7509 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
7510 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
7511 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
7512 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
7513 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
7514 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
7515 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
7516 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
7517 smulsi3_highpart_v8plus, unnamed subreg mult,
7518 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
7519 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
7520 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
7521 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
7522 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
7523 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
7524 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
7525 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
7526 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
7527 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
7528 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
7529 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
7530 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
7531 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
7532 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
7533 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
7534 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
7535 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
7536 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
7537 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
7538 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
7539 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
7540 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
7541 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
7542 call_address_untyped_struct_value_sp32,
7543 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
7544 call_value_symbolic_sp32, call_value_address_sp64,
7545 call_value_symbolic_sp64, branch_sp32, branch_sp64,
7546 flush_register_windows, goto_handler_and_restore,
7547 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
7548 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
7549 return_addsi, return_di, return_adddi, return_sf, all call+jump
7550 peepholes, trap, unnamed trap insns): Prettify output strings.
7551 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
7552 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
7553 Likewise and force + implement splits for integer cases.
7554 (define_insn return_sf_no_fpu): Likewise and allow to match when
7555 no-fpu because of our subreg SFmode splits.
7556 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
7557 zero_extendqidi2_insn, zero_extendhidi2_insn,
7558 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
7559 input_operand for second operand.
7560 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
7561 reg_or_0_operand for operand 2 so new splits can use it.
7562 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
7563 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
7565 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
7566 CONST_DOUBLEs for operand 2.
7567 (define_insn move_label_di): Likewise and label distance
7568 optimization because it no longer works with new deferred case
7569 vector scheme. To be revisited.
7570 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
7571 and allow reg_or_0_operand and J constraint for second operand.
7572 (define_insn jump): Set branch predict taken on V9.
7573 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
7574 new deferred case vector scheme.
7575 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
7576 (define_insn negdi2_sp32): Force + implement splits.
7577 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
7578 one_cmplsi2_not_liveg0 respectively, and create expander of original
7579 names which emit special rtl for TARGET_LIVE_G0.
7580 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
7581 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
7582 gen_compare_reg, FAIL instead.
7583 (define_insn sgtu, sleu): Likewise and check gen_s*() return
7584 values when trying to reverse condition codes, if they FAIL then
7586 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
7587 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
7588 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
7589 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
7590 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
7591 set output string to # to indicate they are mandatory splits.
7592 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
7593 pic_sethi_di, move_pic_label_si): Remove.
7594 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
7595 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
7597 (define_expand movsi_pic_label_ref, define_insn
7598 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
7599 expander and insns to handle PIC label references and deferred
7601 (define_insn get_pc_via_rdpc): Comment out as it is no longer
7603 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
7604 Rewrite to not use emit_move_sequence, make use of new constant
7605 formation code, and new splits for all multi-insn cases.
7606 (define_insn movqi_insn): Remove sethi case, it can never happen.
7607 Use reg_or_zero_operand instead of const0_rtx explicit test,
7608 use input_operand instead of move_operand for source, and use
7609 general_operand now for dest.
7610 (define_insn movhi_insn): Similar but leave sethi case.
7611 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
7612 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
7613 movhi_lo_sum respectively, prettify output string.
7614 (define_insn movsi_zero_liveg0): New pattern to put zero into a
7615 register when needed on TARGET_LIVE_G0.
7616 (define_insn movsi_insn): Use general_operand and input_operand
7617 for dest and src respectively. Simplify applicability test.
7618 Prettify output strings, and add clr alternative for J
7620 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
7621 deprecated std and reg-reg DI moves): Remove and...
7622 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
7623 implementation which uses forced splits for all non-single insn
7625 (define_split DI move cases on !arch64): New splits to handle all
7626 situations of 64-bit double register DImode on 32bit, and
7627 unaligned registers and memory addresses for all subtargets.
7628 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
7630 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
7631 input_operand for dest and src respectively, prettify output
7633 (define_insn movdf_insn, movdf_no_e_insn, store_df,
7634 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
7636 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
7637 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
7638 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
7639 movtf_no_e_insn_sp64) Replace with new
7640 implementation which uses forced splits for all non-single insn
7642 (define_split DF move cases): New splits in similar vein to DI
7644 (define_insn sethi_di_medlow, sethi_di_medium_pic,
7645 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
7646 movdi_sp64_insn): Remove old v9 code model and constant loading
7648 (define_insn pic_lo_sum_di, pic_sethi_di,
7649 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
7650 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
7651 embmedany_sethi, embmedany_losum, embmedany_brsum,
7652 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
7653 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
7654 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
7655 scheme, using unspecs, secondary reloads, and one to one sparc
7656 insn to rtl insn mapping for better scheduling and code gen.
7657 (define_expand reload_indi, reload_outdi): Reload helpers for
7658 MEDANY and EMBMEDANY symbol address loading cases which require a
7660 (define_expand movsicc): Remove v8plus_regcmp cases.
7661 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
7662 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
7663 cmp_diqi_trunc_set): New patterns used by some of the new scc
7665 (define_insn xordi3_sp64_dbl): New pattern used for constant
7666 formation when crossing from 32-bit targets.
7667 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
7669 (define_insn addx, subx): Make visible and prettify.
7670 (define_insn adddi3_insn_sp32): Likewise and force split.
7671 (define_insn addx_extend, subx_extend, unnamed): New patterns for
7672 64bit scc split usage.
7673 (define_insn unnamed plusDI zero_extend, unnamed minusDI
7674 zero_extend, subdi3): Force and implement splits.
7676 * final.c (final_scan_insn): Don't output labels if target
7677 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
7680 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
7681 don't forget to walk inside SEQUENCESs too as these are what the
7682 delay slot scheduler will create.
7684 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
7686 * alpha.md (extxl+1,+2): New patterns to work around
7689 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
7691 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
7692 caused bad assembly code to be generated.
7694 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
7696 * netbsd.h: Fix typo.
7698 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
7700 * config.sub: Fix typo.
7702 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
7704 * invoke.texi (Environment Variables): Typo: Change "ascpects"
7706 (Running Protoize): Typo: Change "ther" into "other".
7708 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
7710 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
7711 * m68k/netbsd.h: Likewise.
7712 * ns32k/netbsd.h: Likewise.
7713 * sparc/netbsd.h: Likewise.
7715 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
7717 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
7718 * ginclude/va-clipper.h (va_list): Likewise.
7720 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
7722 * rs6000.c (rs6000_override_options): If big endian and -Os, use
7723 load/store multiple instructions unless user overrides.
7725 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
7727 * ns32k/netbsd.h: Fix typo.
7729 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
7731 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
7732 labels with .debugsym if no parallel insns.
7734 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
7736 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
7737 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
7739 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
7741 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
7742 (AR_FOR_TARGET): Define.
7744 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
7746 * dyn-string.h: New file.
7747 * dyn-string.c: Likewise.
7748 * Makefile.in (OBJS): Add dyn-string.o.
7749 (dwarf2out.o): Add dyn-string.h dependency.
7750 (dyn-string.o): List dependencies.
7751 * dwarf2out.c: Include dyn-string.h.
7752 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
7753 (addr_const_to_string): Take a dyn_string_t, not a char* as a
7754 prototype. Use dyn_string_append rather than strcat, throughout.
7755 (addr_to_string): Use dyn_string_t.
7757 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
7759 Function entry/exit profiling instrumentation:
7760 * expr.h (profile_function_entry_libfunc,
7761 profile_function_exit_libfunc): Declare new variables.
7762 * optabs.c: Define them here.
7763 (init_optabs): Initialize them.
7764 * tree.h (struct tree_decl): New flag
7765 no_instrument_function_entry_exit.
7766 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
7767 * c-decl.c (duplicate_decls): Merge it.
7768 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
7769 (init_attributes): Use it for "no_instrument_function".
7770 (decl_attributes): Handle it, for functions that have not yet been
7771 compiled. Set decl flag.
7772 * flags.h (flag_instrument_function_entry_exit): Declare new
7774 * toplev.c (flag_instrument_function_entry_exit): Define it here.
7775 (f_options): New option "instrument-functions".
7776 * function.h (struct function): New field instrument_entry_exit.
7777 * function.c (current_function_instrument_entry_exit): New
7779 (push_function_context_to, pop_function_context_from): Save and
7781 (expand_function_start): Set current_ variable, maybe emit return
7782 label and entry profile call.
7783 (expand_function_end): Maybe emit exit profile call.
7785 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
7787 * i386.md (movqi): When optimizing a load of (const_int 1) into a
7788 NON_QI_REG_P, pretend the register is SImode.
7790 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
7792 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
7793 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
7794 manufacturer id for ns32k.
7795 * configure: Regenerated.
7796 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
7797 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
7798 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
7799 * config/m68k/netbsd.h: Same.
7800 * config/ns32k/netbsd.h: Same.
7801 * config/sparc/netbsd.h: Same.
7803 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
7805 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
7806 or UNROLL_COMPLETELY loop that starts with a jump to its
7809 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
7811 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
7812 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
7813 (print_operand, case 'B'): Don't fall through.
7814 (print_operand, case 'S'): Correct mask begin/end computation.
7815 Use HOST_BITS_PER_WIDE_INT.
7816 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
7817 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
7818 * rs6000/aix41.h (CPP_PREDEFINES): Same.
7819 * rs6000/aix43.h (CPP_PREDEFINES): Same.
7821 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
7823 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
7824 constraint from second alternative.
7826 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
7828 * configure.in: Fix --without/--disable cases for local-prefix,
7829 gxx-include-dir and checking.
7831 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7833 * configure.in (enable_haifa): Set by default for sparc64 too.
7836 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
7838 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
7839 * i386/winnt.c (associated_type): New fn.
7840 (i386_pe_valid_type_attribute_p): New fn.
7841 (i386_pe_check_vtable_importexport): Remove.
7842 (i386_pe_dllexport_p): Use associated_type.
7843 (i386_pe_dllimport_p): Likewise.
7845 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
7846 * i386.c (i386_valid_type_attribute_p): Also accept
7847 attributes for METHOD_TYPEs.
7849 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
7851 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
7853 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
7855 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
7857 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
7858 them from generating a new base name for each occurence of
7861 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
7863 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
7865 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
7869 * cplus-dem.c (type_kind_t): New type.
7870 (demangle_template_value_parm): Add type_kind_t parameter. Rely
7871 on this paramter, rather than demangling the type again.
7872 (demangle_integral_value): Pass tk_integral.
7873 (demangle_template_: Pass the value returned from do_type.
7874 (do_type): Return a type_kind_t. Pass tk_integral to
7875 demangle_template_value_parm for array bounds.
7876 (demangle_fund_type): Likewise.
7878 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
7880 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
7883 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
7885 * pa.c (move_operand): Accept CONSTANT_P_RTX.
7887 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
7889 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
7891 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
7894 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
7896 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
7897 (DEBUGGER_ARG_OFFSET): Likewise.
7899 * mn10300.md (movsf): Remove last change. Not needed.
7901 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
7903 * c-lex.c (yylex): Fix boundary conditions in character literal and
7904 string literal loops.
7906 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
7908 * longlong.h (count_leading_zeros): Sparclite scan instruction was
7909 being invoked incorrectly.
7911 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
7912 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
7914 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
7915 * configure.in: Added i[34567]86-*-win32
7916 * config.sub: Ditto.
7917 * configure: Rebuilt.
7919 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
7921 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
7922 the frame pointer and compiling PIC code and reload has not completed.
7924 * i386.c (output_to_reg): Add code to emulate non-popping DImode
7927 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
7929 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
7931 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7933 * Makefile.in (install-info): Only try to update the info
7934 directory file if it exists in the first place.
7936 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
7938 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
7940 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
7942 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
7943 CONST_DOUBLE source.
7945 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
7947 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
7948 strings as the insertion of USER_LABEL_PREFIX.
7949 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
7951 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
7954 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
7956 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
7957 already defined type.
7959 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
7961 * expr.c (check_max_integer_computation_mode): Allow conversions
7962 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
7963 (expand_expr): Likewise.
7965 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7967 * expr.c (expand_expr): Expand RETURN_EXPR.
7969 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
7971 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
7973 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
7975 * dwarf2out.c (output_aranges): Call stripattributes
7976 for TEXT_SECTION references.
7977 (output_line_info): Likewise.
7979 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7981 * profile.c (branch_prob): Call allocate_reg_info after outputting
7982 profile rtl in instrument_arcs.
7984 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
7986 * fixinc.irix (math.h): Install wrapper instead of copying.
7988 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7990 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
7991 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
7992 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
7993 lang_flag_0. Added documentation in the flag table.
7995 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
7997 * cccp.c (do_include): Fix vax c style include handling.
7999 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8001 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
8003 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
8005 * fold-const.c (non_lvalue): Don't deal with null pointer
8007 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8009 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
8011 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
8012 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
8013 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
8014 (u_short_cint_operand): Same.
8015 (reg_or_cint_operand): Same.
8016 (logical_operand): Same.
8017 (input_operand): Same.
8018 (reg_or_short_operand): Use u_short_cint_operand.
8020 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
8022 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
8023 but keep the insns and splits. Adjust so when the ultimate destination
8024 is memory, use cvtql.
8026 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
8028 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
8030 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
8032 * gcc.c (do_spec): Call "error" not "warning".
8034 * configure.in: Fix minor problems with gas feature detection code.
8035 * configure: Rebuilt.
8037 * gcc.c (do_spec): Issue a warning for '%[]' usage.
8040 * gcc.c: Delete %[spec] support.
8041 (do_spec_1, case '('): Likewise.
8042 (do_spec_1, case '['): Call error.
8044 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
8046 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
8047 (CPP_SUBTARGET_SPEC): Default to empty string.
8048 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
8049 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
8050 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
8051 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
8053 * alpha/linux.h (CPP_PREDEFINES): Tidy.
8054 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
8055 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
8056 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
8057 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
8058 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
8059 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
8060 * alpha/vxworks.h: Likewise.
8062 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
8064 * mips.md (reload_outsi): Added missing REGNO call.
8065 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
8067 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
8068 another match_operator and compare the codes.
8070 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
8072 * MIPS multiply pattern fixes:
8073 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8074 Add union classes for HI, LO, or HILO plus general registers.
8075 (GENERATE_MADD): Deleted.
8076 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
8077 Add TARGET_MAD to condition.
8078 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
8079 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
8080 "*d" for accumulator, to give preference to LO initially but not
8083 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
8085 * configure.in (enable_c_mbchar): New configure option.
8086 (extra_cpp_objs): Always available now.
8088 * cexp.y (mbchar.h): #include it.
8089 (yylex): Handle Multibyte characters in character literals.
8091 * cccp.c (mbchar.h): #include it.
8092 (main): Set character set based on LANG environment variable.
8093 (rescan): Handle multibyte characters in comments.
8094 (skip_if_group): See above.
8095 (validate_else): See above.
8096 (skip_to_end_of_comment): See above.
8097 (macarg1): See above.
8098 (discard_comments): See above.
8099 (rescan): Handle multibyte characters in string and character literals.
8100 (collect_expansion): See above.
8101 (skip_quoted_string): See above.
8102 (macroexpand): See above.
8103 (macarg1): See above.
8104 (discard_comments): See above.
8105 (change_newlines): See above.
8107 * c-lex.c (mbchar.h): #include it.
8108 (GET_ENVIRONMENT): New macro.
8109 (init_lex): Set character set based on LANG environment variable.
8110 (yylex): Handle multibyte characters in character literals.
8111 (yylex): Handle multibyte characters in string literals.
8113 * Makefile.in (mbchar.o): New target.
8114 (cccp$(exeext)): @extra_cpp_objs@ is always available.
8115 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
8117 * mbchar.[ch]: New files for multibyte character handling.
8119 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8121 * jump.c (jump_optimize): When simplifying noop moves and
8122 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
8123 the PUSHes to rewrite in second loop as we did in the first.
8125 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8127 * cplus-dem.c (demangle_nested_args): Make function definition
8128 static to match the prototype.
8130 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
8132 * alloca.c: Respect USE_C_ALLOCA.
8133 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
8134 * gengenrtl.c (xmalloc): Likewise.
8136 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
8138 * loop.h (struct induction): Add no_const_addval.
8139 * loop.c (the_movables, reg_address_cost): New variables.
8140 (init_loop): Init reg_address_cost.
8141 (loop_optimize): Call end_alias_analysis.
8142 (scan_loop): Init the_movables.
8143 (record_giv): Init induction->no_const_addval.
8144 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
8145 [REG]: Rearrange loop search test to catch more cases.
8146 (general_induction_var): Return success not benefit; take an extra
8147 argument for that. Change all callers.
8148 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
8149 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
8150 [default]: Search the_movables for additional combinations.
8151 (sge_plus_constant, sge_plus): New functions.
8152 (express_from_1): New function.
8153 (express_from): Always define. Rewrite using express_from_1.
8154 (combine_givs_p): Handle more cases. Ignore address cost.
8155 (cmp_combine_givs_stats): New function.
8156 (combine_givs_used_once, combine_givs_benefit_from): New functions.
8157 (combine_givs): Rewrite to do best-fit combination.
8159 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
8160 (fold): Do a complete (A*C)+(B*C) association check.
8162 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
8164 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
8166 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
8168 * mn10300.c (MODES_TIEABLE_P): Fix typo.
8170 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
8172 * tree.c (valid_machine_attribute): Only create a new type variant if
8173 there is a decl to use it.
8175 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
8177 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
8180 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
8182 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
8185 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
8187 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
8188 Simplify tests for clearing an address register.
8189 (expand_prologue): Corresponding changes.
8191 * mn10300.md (movXX patterns): Make sure the destination is an
8192 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
8193 (logical patterns): Split into expanders + patterns
8194 (zero and sign extension patterns): Similarly.
8195 (shift patterns): Similarly.
8197 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8199 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8200 for the sequence, recording base values.
8202 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8204 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
8206 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
8208 * gcc.c: Remove ANSI-C ism from --help code.
8210 * toplev.c: Support --help with USE_CPPLIB.
8212 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
8214 * configure.in: Rework gas feature code to work with symlink based
8217 * extend.texi: Clarify some issues related to local variables
8218 assigned to explicit registers.
8220 * mn10300.md (mulsi): Turn into expander + pattern.
8222 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
8225 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
8227 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
8229 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
8231 * version.c: Bump again to distinguish mainline tree from the
8234 See ChangeLog.0 for earlier changes.
8237 add-log-time-format: current-time-string
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