1 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3 * loop.h (loop_info): New field 'vtop'.
4 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
5 scanning loop for vtop.
6 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
7 (loop_iterations): Use them to determine if loop has a constant
8 number of iterations. Set loop_info->vtop. Don't subtract
9 common reg term from initial_value and final_value if have a
12 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
14 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
16 * mn10200.md (abssf2, negsf2): New expanders.
18 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
20 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
22 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
23 replaced by a CONCAT whoes components do not have the same
24 mode as the original SUBREG, use a new SUBREG to restore the
27 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
28 multiword complex values.
30 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
32 * cppalloc.c: Add xstrdup here.
33 * cpplib.h: Remove savestring prototype.
34 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
36 * cppfiles.c: s/savestring/xstrdup/ throughout.
38 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
40 * cpplib.c: Make all directive handlers read their own
42 (struct directive): Remove last two arguments from FUNC
43 member prototype. Remove `command_reads_line' member
45 (directive_table): Remove initializations of
46 command_reads_line flag. Pretty-print.
47 (eval_if_expression, do_define, do_line, do_include,
48 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
49 do_else, do_elif, do_sccs, do_assert, do_unassert,
50 do_warning): Take only two args.
52 (cpp_define): Call do_define with two args and the text to
53 define stuffed into a buffer.
54 (make_assertion): Call do_assert with two args.
55 (handle_directive): Call do_line with two args. Call
56 kt->func with two args. Remove command_reads_line
58 (do_define, do_undef, do_error, do_warning, do_pragma,
59 do_sccs): Read the rest of the line here.
60 (do_ident): Gobble rest of line, as cccp does.
61 (cpp_undef): New function.
62 (cpp_start_read): Call cpp_undef instead of do_undef.
64 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
66 * cpphash.h (union hash_value): Remove `keydef' member, add a
67 `struct hashnode *aschain' member for #assert.
69 * cpplib.c (struct tokenlist_list, struct
70 assertion_hashnode): Delete structure definitions.
71 (assertion_install, assertion_lookup, delete_assertion,
72 check_assertion, compare_token_lists, reverse_token_list,
73 read_token_list, free_token_list): Delete functions.
74 (parse_assertion): New function.
75 (cpp_cleanup): Don't destroy the assertion_hashtable.
77 (do_assert): Gut and rewrite. #assert foo (bar) places
78 entries for `#foo' and `#foo(bar)' in the macro hash table,
79 type T_ASSERT. The value union's `aschain' member is used
80 to chain all answers for a given predicate together.
81 (do_unassert): Also rewritten. Take an un-asserted
82 answer off the chain from its predicate and call
83 delete_macro on the hashnode, or walk a predicate chain
84 calling delete_macro on all the entries.
85 (cpp_read_check_assertion): Simply call parse_assertion to
86 get the canonical assertion name, and look that up in the
89 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
92 * cpphash.c (install): Use bcopy instead of an explicit loop
93 to copy the macro name.
95 * cppexp.c (cpp_lex): Convert the result of
96 cpp_read_check_assertion to a `struct operation' directly;
97 don't go through parse_number.
99 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
101 * loop.h (struct induction): Delete times_used member.
102 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
103 (n_times_used): Rename to n_times_set. Changed all users.
104 (scan_loop): Free reg_single_usage before strength reduction.
105 (record_giv, combine_givs): Remove handling of times_used member.
106 (combine_givs_used_once): Rename to:
107 (combine_givs_used_by_other) . Changed all callers.
109 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
111 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
112 instead of TREE_CODE_CLASS == 't'.
113 (gen_type_die): Likewise.
114 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
116 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
118 * real.c (endian): Disable last change unless
119 HOST_BITS_PER_WIDE_INT is greater than 32.
121 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
123 * output.h (force_data_section): New prototype.
124 * varasm.c (force_data_section): New function to force the
125 data section, regardless of what in_section thinks.
126 * dwarf2out.c (output_call_frame_info): Call force_data_section
127 since varasm may not realize we've changes sections.
129 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
131 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
132 after completeing reload.
134 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
135 deleted after reload.
137 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
139 * rtl.h (multiple_sets): Fix prototype.
140 * rtlanal.c (multiple_sets): Fix return type.
142 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
144 * version.c: Bump for snapshot.
146 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
148 * version.c: Bump for snapshot.
150 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
152 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
154 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
156 * rtl.h (recompute_reg_usage): Add second argument.
157 * flow.c (recompute_reg_usage): Likewise.
158 * toplev.c (rest_of_compilation): Supply second argument to
161 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
164 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
166 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
167 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
168 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
171 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
173 * rtlanal.c (multiple_sets): New function.
174 * rtl.h (multiple_sets): Declare it.
175 * local-alloc.c (wipe_dead_reg): Use it.
176 * global.c (global_conflicts): Likewise.
178 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
180 * global.c (record_conflicts): Don't use an array of shorts to
181 store an array of ints.
182 (global_conflicts): Likewise.
184 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
186 * alpha.c (alpha_expand_block_move): mode_for_size expects
187 bits, not bytes. Infer extra alignment from addressof.
189 1998-12-11 Michael Meissner <meissner@cygnus.com>
191 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
192 .sbss section, not .sdata.
194 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
196 * cccp.c: Do not #include <sys/stat.h> here; this is already done
198 * collect2.c: Likewise.
199 * cpplib.h: Likewise.
202 * getpwd.c: Likewise.
203 * protoize.c: Likewise.
204 * toplev.c: Likewise.
206 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
207 and don't try to define it here.
208 * Makefile.in (cppmain.o): Depend on machmode.h.
209 (cpplib.o): Likewise.
210 (cpperror.o): Likewise.
211 (cppexp.o): Likewise.
212 (cppfiles.o): Likewise.
213 (cpphash.o): Likewise.
214 (cppalloc.o): Likewise.
215 (fix-header.o): Likewise.
216 (scan-decls.o): Likewise.
218 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
220 * sh.c (print_operand): lookup interrupt_handler attribute instead
221 of relying on static variable.
222 * (calc_live_regs): Likewise.
223 * (sh_pragma_insert_attributes): Create interrupt_handler
224 attribute if a pragma was specified
225 * (sh_valid_machine_decl_attribute): Don't set static flag.
226 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
228 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
230 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
231 to determine if a register is live at a jump destination.
232 Everything is dead at a BARRIER.
234 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
236 * cse.c (simplify_unary_operation): Sign-extend constants when
237 they have the most significant bit set for the target.
238 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
240 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
241 HOST_WIDE_INT temporary before negating it.
242 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
244 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
246 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
249 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
251 * collect2.h: New header file for prototypes.
253 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
255 * collect2.c: Include collect2.h.
258 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
260 * flow.c: Update some comments.
262 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
264 * objc/objc-act.c (cpp_initialized): Removed.
265 (lang_init_options): Initialize cpplib.
266 (lang_decode_option): Move initialization of cpplib to
268 * c-lang.c: (parse_options,parse_in): Added.
269 (lang_init_options): Initialized cpplib here.
270 * c-decl.c (parse_options,cpp_initialized): Removed.
271 (c_decode_option): Move initialization of cpplib to
274 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
276 * reload1.c (reload_combine, reload_combine_note_store):
277 Make STORE_RUID always valid.
278 (reload_combine): Check if BASE is clobbered too early.
280 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
282 * reload.c (find_reloads): Display the insn that cannot be
285 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
287 * cccp.c (create_definition): Fix end of bufer logic.
289 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
291 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
292 pointer parameters changed to use the PARAMS() macro.
294 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
296 * except.h (struct handler_info): Add handler_number field.
297 * except.c (gen_exception_label): EH labels no longer need to be
298 on the permanent obstack.
299 (get_new_handler): Set the label number field.
300 (output_exception_table_entry): Regenerate handler label reference
301 from the label number field.
302 (init_eh): Remove a blank line.
303 * integrate.c (get_label_from_map): Labels no longer need to be
304 on the permanent obstack.
306 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
308 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
309 only when OUTER_CODE is SET.
311 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
313 * loop.c (strength_reduce): If scan_start points to the loop exit
314 test, be wary of subversive use of gotos inside expression statements.
315 Don't set maybe_multiple for a backward jump that does not
316 include the label under consideration into its range.
317 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
319 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
321 * explow.c (plus_constant_wide): Don't immediately return with
322 result of recursive call.
324 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
326 * eh-common.h (struct eh_context): Add table_index for rethrows.
328 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
329 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
330 processed when inlined or unrolled (ie duplicated in some way).
332 * rtl.c (reg_note_name): Add strings for new reg_note enums.
334 * expr.h (rethrow_libfunc): New library decl.
336 * optabs.c (rethrow_libfunc): Initialize.
338 * except.h (struct eh_entry): Add new field 'rethrow_label'.
339 (new_eh_region_entry): No longer exported from except.c.
340 (duplicate_handlers): Renamed to duplicate_eh_handlers and
342 (rethrow_symbol_map, rethrow_used): New exported functions.
343 (eh_region_from_symbol): New exported function.
345 * except.c (create_rethrow_ref): New function to create a single
346 SYMBOL_REF for a rethrow region.
347 (push_eh_entry): Initialize a rethrow ref.
348 (func_eh_entry): Add a rethrow_label field.
349 (new_eh_region_entry): Make static, and initialize the rethrow entry.
350 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
351 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
352 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
353 a region into an appropriate new symbol.
354 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
355 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
356 (end_catch_handler): Emit a barrier for new-exceptions since
357 control can never drop through the end of a catch block.
358 (expand_end_all_catch): new-exceptions never fall through a catch
360 (expand_rethrow): use __rethrow routine for new exceptions.
361 (output_exception_table_entry): Generate rethrow labels, if needed.
362 (output_exception_table): Generate start and end rethrow labels.
363 (init_eh): Create rethrow symbols for beginning and end of table.
364 (scan_region): Don't eliminate EH regions which are the targets of
367 * flow.c (make_edges): Add different edges for rethrow calls,
368 identified by having the REG_EH_RETHROW reg label.
369 (delete_unreachable_blocks): Don't delete regions markers which are
370 the target of a rethrow.
372 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
373 allow save_for_inline_copying to call duplicate_eh_handlers.
374 (save_for_inline_copying): Call duplicate_eh_handlers instead of
375 exposing internal details of exception regions.
376 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
377 (expand_inline_function_eh_labelmap): New callback routine to
378 allow expand_inline_function to call duplicate_eh_handlers.
379 (expand_inline_function): Call duplicate_eh_handlers instead of
380 exposing internal details of exception regions.
381 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
384 * libgcc2.c (find_exception_handler): Generalize to enable it to
385 pick up processing where it left off last time for a rethrow.
386 (__unwinding_cleanup): New function. debug hook which is called before
387 unwinding when __throw finds there is nothing but cleanups left.
388 (throw_helper): Common parts of __throw extracted out for reuse.
389 (__throw): Common parts moved to throw_helper.
390 (__rethrow): New function for performing rethrows.
392 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
394 * reload1.c (current_function_decl): Tweak declaration.
396 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
398 * c-decl.c (flag_isoc9x): Default off.
399 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
400 * cccp.c (print_help, main): Likewise.
401 * gcc.c (default_compilers): Update for -std=gnu*.
403 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
405 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
406 * demangle.h: Deleted.
408 * reload1.c (current_function_decl): Declare.
410 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
412 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
414 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
416 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
418 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
420 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
422 * configure: Rebuilt.
423 * system.h: If the *_unlocked functions are available use them
424 instead of the locked counterparts by defining macros.
425 * config.in: Regenerated.
427 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
429 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
430 wrong and should only be used for dump related things, not
431 debugging information, instead main_input_filename should be used.
432 Also, reuse output_file_directive if possible.
433 * i386/aix386ng.h (ASM_FILE_START): Likewise.
434 * i386/isc.h (ASM_FILE_START): Likewise.
435 * i386/win-nt.h (ASM_FILE_START): Likewise.
436 * i386/sun386.h (ASM_FILE_START): Likewise.
438 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
440 * configure.in (mips*-*-linux*): Handle big and little endian
442 * configure: Rebuilt.
444 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
446 * emit-rtl.c: Fix typo.
448 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
450 * reload1.c (eliminate_regs): Don't do anything, if we're not
453 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
455 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
457 * mips/mips.c (mips_select_section): Add comment.
459 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
461 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
462 characters in file names in #line to be consistent with #include
463 handling. We support escape prcessing in the # 1 "..." version of
464 the command. See also support in cp/lex.c.
465 (handle_directive): Likewise.
468 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
470 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
471 so it'll work on non-ASCII platforms. Always consider $ an
472 identifier character. Take no arguments.
473 (cpp_reader_init): Call initialize_char_syntax with no
475 (cpp_start_read): Don't call initialize_char_syntax again.
476 Clear is_idchar['$'] and is_idstart['$'] if not
477 opts->dollars_in_ident.
479 * cpplib.h (struct cpp_reader): Replace void *data element by
480 cpp_options *opts. Rearrange elements to make gdb printout
481 less annoying (put buffer stack at end).
482 (CPP_OPTIONS): Get rid of now-unnecessary cast.
484 * cppmain.c: s/data/opts/ when initializing cpp_reader
486 * c-decl.c: Likewise.
487 * objc/objc-act.c: Likewise.
488 * fix-header.c: Likewise.
490 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
492 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
493 with a struct file_name_list pointer.
494 (struct cpp_reader): Add pointer to chain of `actual
495 directory' include searchpath entries.
496 (struct file_name_list): Add *alloc pointer for the sake of
497 the actual-directory chain.
499 Move definition of HOST_WIDE_INT here.
500 (cpp_parse_escape): Change prototype to match changes in
503 * cppfiles.c (actual_directory): New function.
504 (finclude): Use it to initialize the buffer's actual_dir
506 (find_include_file): We don't need to fix up max_include_len
509 * cpplib.c (do_include): Don't allocate a file_name_list on
510 the fly for current directory "" includes, use the one that's
511 been preallocated in pfile->buffer->actual_dir. Hoist out
512 duplicate code from the search_start selection logic.
513 (cpp_reader_init): Initialize pfile->actual_dirs.
515 Remove definition of HOST_WIDE_INT. Change calls
516 to cpp_parse_escape to match changes in cppexp.c (note
517 hardcoded MASK, which is safe since this is the source
520 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
521 to handle wide character constants in #if directives. The
522 function now returns a HOST_WIDE_INT, and takes a third
523 argument which is a binary mask for all legal values (0x00ff
524 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
525 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
526 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
528 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
530 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
532 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
534 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
535 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
536 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
538 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
540 * final.c (output_asm_name): Use tabs to seperate comments from
543 Include instruction lengths (if defined) in output.
545 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
547 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
548 in the loop_info structure.
550 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
552 * configure.in: (arm*-*-ecos-elf): New target.
553 * configure: Regenerated.
554 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
555 * config/arm/ecos-elf.h: New file.
556 * config/arm/unknown-elf.h (TARGET_VERSION): Check
559 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
561 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
563 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
565 * version.c: Bump for snapshot.
567 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
569 * loop.c (check_dbra_loop): New argument loop_info. Update fields
572 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
574 * version.c: Bump for snapshot.
576 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
578 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
579 compressed reports are ok and preferred over URLs
581 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
583 * invoke.texi (Warning Options): Soften the tone of -pedantic
585 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
587 * print-rtl.c (print_rtx): Add prototype.
589 * unroll.c (iteration_info): Make it static.
591 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
593 * alias.c (memrefs_conflict_p): A second ANDed address
594 disables the aligned address optimization.
596 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
598 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
601 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
603 * i960.h (BOOL_TYPE_SIZE): Define.
605 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
607 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
608 from old valid_parallel_operands_4.
609 (valid_parallel_operands_4): Check that operands for 4 operand
610 parallel insns are valid, excluding load/store insns.
611 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
612 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
613 valid_parallel_load_store instead of valid_parallel_operands_4.
614 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
615 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
616 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
617 *notqi_movqi_clobber): Use valid_parallel_operands_4.
618 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
619 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
620 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
622 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
624 * config/c4x/c4x.c (iteration_info): Delete extern.
626 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
628 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
630 * final.c (cleanup_subreg_operands): Delete some unused code.
632 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
633 (struct insn_alternative): New structure definition.
634 (recog_op_alt): Declare variable.
635 (preprocess_constraints): Declare function.
636 * recog.c (recog_op_alt): New variable.
637 (extract_insn): Verify number of alternatives is in range.
638 (preprocess_constraints): New function.
639 * reg-stack.c: Include recog.h.
640 (constrain_asm_operands): Delete.
641 (get_asm_operand_lengths): Delete.
642 (get_asm_operand_n_inputs): New function.
643 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
644 N_OUTPUTS args. All callers changed.
645 Compute number of inputs and outputs here by calling
646 get_asm_operand_n_inputs.
647 Instead of constrain_asm_operands, call extract_insn,
648 constrain_operands and preprocess_constaints. Use information
649 computed by these functions throughout.
650 (record_reg_life): Delete code that is unused due to changes in
652 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
653 N_INPUTS and N_OUTPUTS args. All callers changed.
654 Similar changes as in record_asm_reg_life.
655 (subst_stack_regs): Move n_operands declaration into the if statement
657 Delete code that is unused due to changes in subst_asm_stack_regs.
658 * stmt.c (expand_asm_operands): Verify number of alternatives is in
660 * Makefile.in (reg-stack.o): Depend on recog.h.
662 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
664 * except.c (set_exception_version_code): Argument is an "int".
666 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
668 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
669 * configure: Rebuilt.
671 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
673 * configure.in (mipsel-*-linux*): New target.
674 * mips/linux.h: New file, based on other Linux targets.
676 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
678 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
679 runs in the context of the deleter, not the deletee, so we must
680 use taskVarGet to find the correct memory to free.
681 (__gthread_key_create): Initialize the task
682 variable subsystem so that the task variable is still active when
683 the delete hook is run.
685 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
687 * pdp11.h: Use optimize_size for space optimizations.
689 * pdp11.md: Likewise.
691 * pdp11.h (TARGET_40_PLUS): Fix typo.
693 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
695 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
698 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
700 * alias.c (addr_side_effect_eval): New function.
701 (memrefs_conflict_p): Use it.
702 * rtl.h (addr_side_effect_eval): Prototype it.
704 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
706 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
708 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
710 * reload.c (find_reloads): When force const to memory, put result
711 in substed_operand not *recog_operand_loc.
713 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
715 * c-lex.c: Fix indentation from last patch.
716 Remove trailing whitespace.
719 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
721 * flow.c (delete_block): Call set_last_insn after we have reset
722 NEXT_INSN (kept_tail).
724 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
726 * mips.md (trap_if): Use "$0" for the value zero.
728 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
729 Stephen L Moshier <moshier@world.std.com>
730 Richard Henderson <rth@cygnus.com>
732 * c-common.c (declare_function_name): Declare predefinied variable
735 * c-decl.c (flag_isoc9x): Set to 1 by default.
736 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
737 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
739 * c-parse.in: Allow constructors in ISO C 9x.
740 Rewrite designator list handling.
741 Allow [*] parameters.
742 Don't warn about comma at end of enum definition for ISO C 9x.
744 * cccp.c (c9x): New variable.
745 (rest_extension): New variable.
746 (print_help): Document new -std= option.
747 (main): Recognize -std= option. Set c9x appropriately.
748 (create_definition): Recognize ISO C 9x vararg macros.
750 * gcc.c (default_compilers): Adjust specs for -std options.
751 (option_map): Add --std.
752 (display_help): Document -std.
754 * toplev.c (documented_lang_options): Add -std and remove
757 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
758 or REAL_VALUE_HTOF based on base of the constants.
759 * fold-const.c (real_hex_to_f): New function. Replacement function
760 for hex FP conversion if REAL_ARITHMETIC is not defined.
761 * real.c (asctoeg): Add handling of hex FP constants.
762 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
765 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
767 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
768 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
769 expansion. Use hi/lo as destination register.
771 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
772 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
773 Avoid as macro expansion. Use hi/lo as destination register.
775 * mips.h (MASK_CHECK_RANGE_DIV): New.
776 (MASK_NO_CHECK_ZERO_DIV): New.
777 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
778 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
779 return address for leaf functions out of r31 to support
780 builtin_return_address.
782 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
784 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
785 NEXT_INSN(x) to check insn x.
787 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
789 * flow.c (delete_block): Call set_last_insn if we end up deleting the
790 last insn in the rtl chain.
792 * reload1.c (reload): Do not set reload_completed or split insns
794 * toplev.c (rest_of_compilation): Set reload_completed after
795 reload returns. Split insns after reload_cse has run.
797 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
799 * final.c (final_scan_insn): Abort if block_depth falls below 0.
801 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
803 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
805 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
807 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
808 use of user-label_prefix.
810 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
812 * reload1.c (emit_reload_insns): Clear spill_reg_store
813 when doing a new non-inherited reload from the same pseudo.
815 * local-alloc.c (function_invariant_p): New function.
816 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
817 to decide if an equivalence should be recorded.
818 * reload1.c (num_eliminable_invariants): New static variable.
819 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
820 to decide if an equivalence should be recorded.
822 (calculate_needs_all_insns): Skip insns that only set an equivalence.
823 Take num_eliminable_invariants into account when deciding
824 if register elimination should be done.
825 (reload_as_needed): Take num_eliminable_invariants into account
826 when deciding if register elimination should be done.
827 (eliminate_regs): Handle non-constant reg_equiv_constant.
828 * rtl.h (function_invariant_p): Declare.
830 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
832 * version.c: Bump for snapshot.
834 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
836 * version.c: Bump for snapshot.
838 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
840 * except.c (add_new_handler): Complain about additional handlers
841 after one that catches everything.
843 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
845 * configure.in (alpha*-*-netbsd): Fix typo.
846 * configure: Rebuilt.
848 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
850 * system.h: Include libiberty.h.
852 * c-aux-info.c: Remove prototypes for concat/concat3. Change
853 function `concat' from fixed parameters to variable parameters,
854 as is done in libiberty. All callers of concat/concat3
855 changed to use the new `concat' with variable args.
857 * cccp.c: Remove things made redundant by libiberty.h and/or
858 conform to libiberty standards.
860 * collect2.c: Likewise.
861 * config/1750a/1750a.h: Likewise.
862 * cppalloc.c: Likewise.
863 * cppexp.c: Likewise.
864 * cppfiles.c: Likewise.
865 * cpphash.c: Likewise.
866 * cpplib.c: Likewise.
867 * dyn-string.c: Likewise.
868 * fix-header.c: Likewise.
871 * genattr.c: Likewise.
872 * genattrtab.c: Likewise.
873 * gencheck.c: Likewise.
874 * gencodes.c: Likewise.
875 * genconfig.c: Likewise.
876 * genemit.c: Likewise.
877 * genextract.c: Likewise.
878 * genflags.c: Likewise.
879 * gengenrtl.c: Likewise.
880 * genopinit.c: Likewise.
881 * genoutput.c: Likewise.
882 * genpeep.c: Likewise.
883 * genrecog.c: Likewise.
884 * getpwd.c: Likewise.
885 * halfpic.c: Likewise.
887 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
888 in NEED_DECLARATION_* macros.
890 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
891 conform to libiberty standards.
892 (fatal): Fix const-ification of variable `format' in
893 !ANSI_PROTOTYPES case.
895 * prefix.c: Remove things made redundant by libiberty.h and/or
896 conform to libiberty standards.
898 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
899 conflicting with function `spaces' from libiberty.
901 * profile.c: Remove things made redundant by libiberty.h and/or
902 conform to libiberty standards.
903 * protoize.c: Likewise.
907 * toplev.c: Likewise.
908 * toplev.h: Likewise.
911 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
913 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
915 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
917 * README.C4X: Updated URLs.
918 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
919 (valid_parallel_operands_5): Remove unused variable.
921 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
923 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
925 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
927 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
928 which can be configured.
929 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
930 (Makefile): Pass actual LANGUAGES through the environment when
932 (cstamp-h): Likewise.
933 (config.status): Likewise.
935 * configure.in (enable_languages): Add new configuration parameter
936 "--enable-languages=lang1,lang2,...".
937 (${srcdir}/*/config-lang.in): Change handling to configure only
938 those directories, that the user might have enabled; default to
939 "all" existing languages.
940 * configure: Regenerate.
942 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
944 * rtlanal.c (regs_set_between_p): New function.
945 * rtl.h (regs_set_between_p): Prototype it.
946 * jump.c (jump_optimize): Use it instead of modified_between_p
949 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
950 Matthias Pfaller <leo@dachau.marco.de>
952 * invoke.texi (Option Summary, NS32K Options): add description
953 of NS32K specific options.
955 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
956 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
957 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
958 negdf2, absdf2): Use l instead of f since the double class and
959 float class are no longer the same.
960 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
961 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
962 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
963 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
965 (cmpsi, cmphi, cmpqi): use general_operand instead of
966 non_immediate_operand. Removes erroneous assumption that can't
968 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
969 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
971 (movstrsi, movstrsi1, movstrsi2): completely new block move
973 (...): Patterns to exploit multiply-add instructions.
974 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
975 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
976 patterns to exploit extended divide insns.
977 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
980 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
981 float return values as well as simple scalar floats.
982 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
983 support new flag to denote 32381 fpu.
984 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
985 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
987 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
988 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
989 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
990 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
991 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
992 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
993 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
994 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
995 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
996 fpu registers and special register classes for new 32381
997 instructions dotf and polyf.
998 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
1000 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
1001 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
1003 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
1004 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
1005 (REGISTER_MOVE_COST): move code to register_move_cost function for
1006 ease of coding and debugging.
1007 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
1008 LONG_FLOAT_REGO is likely spilled but not caught by default
1010 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
1011 instead of hard coded numbers in range check.
1012 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
1013 (...): Add prototypes for functions in ns32k.c but disable because
1014 of problems when ns32k.h is included in machine independant files.
1016 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
1017 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
1018 hard_regno_mode_ok, secondary_reload_class,
1019 print_operand, print_operand_address): new register scheme to
1020 include 32381 fpu registers and special register classes for new
1021 32381 instructions dotf and polyf.
1022 (gen_indexed_expr): Make static to keep namespace clean.
1023 (check_reg): remove since never called.
1024 (move_tail, expand_block_move): helper functions for "movstrsi"
1026 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
1027 Increase cost of moves which go via memory.
1028 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
1029 (CPP_PREDEFINES): nolonger predefine "unix".
1031 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
1032 Remove erroneous %$. print_operand() can work out from the rtx is
1033 an immediate prefix is required.
1035 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
1036 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
1037 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
1039 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
1042 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
1043 Correct handling of pic operands.
1044 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
1045 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
1046 -mrtd calling convention.
1048 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
1050 * gcc.c (option_map): Recognize --output-class-directory.
1052 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1054 * loop.h (precondition_loop_p): Added new mode argument.
1055 * unroll.c (precondition_loop_p): Likewise.
1056 (approx_final_value): Function deleted and subsumed
1057 into loop_iterations.
1058 (loop_find_equiv_value): New function.
1059 (loop_iterations): Use loop_find_equiv_value to find increments
1060 too large to be immediate constants. Also use it to find terms
1061 common to initial and final iteration values that can be removed.
1063 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1065 * loop.h (struct loop_info): Define new structure.
1066 (precondition_loop_p): Added prototype.
1067 (unroll_loop): Added new argument loop_info to prototype.
1068 (final_biv_value, final_giv_value): Added new argument n_iterations
1070 * loop.c (strength_reduce): Declare new structure loop_iteration_info
1071 and new pointer loop_info.
1072 (loop_n_iterations): Replace global variable by element in
1073 loop_info structure.
1074 (check_final_value): New argument n_iterations.
1075 (insert_bct): New argument loop_info.
1076 (loop_unroll_factor): Replace global array by element in
1077 loop_info structure.
1078 (loop_optimize): Remove code to allocate and initialise
1079 loop_unroll_factor_array.
1080 * unroll.c (precondition_loop_p): No longer static since
1081 used by branch on count optimization.
1082 (precondition_loop_p, unroll_loop): New argument loop_info.
1083 (final_biv_value, final_giv_value, find_splittable_regs): New
1084 argument n_iterations.
1085 (loop_iteration_var, loop_initial_value, loop_increment,
1086 loop_final_value, loop_comparison_code, loop_unroll_factor):
1087 Replaced global variables by loop_info structure.
1088 (loop_unroll_factor): Replace global array by element in
1089 loop_info structure.
1091 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1093 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
1096 * unroll.c (precondition_loop_p): Return loop_initial_value
1097 for initial_value instead of loop_iteration_var.
1099 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1101 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
1102 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
1103 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
1104 to output the instruction sequences.
1106 (rptb_top): Provide alternatives to use any register or memory
1108 (rptb_end): Emit use of operands rather than assigning them
1109 explicitly to the RS and RE registers.
1111 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1113 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
1114 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
1115 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
1116 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
1117 c4x_merge_notes, c4x_parallel_process,
1118 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
1119 c4x_combine_parallel): Delete.
1121 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1123 * config/c4x/c4x.c: (c4x_override_options): For compatibility
1124 with old target options clear flag_branch_on_count_reg if
1125 -mno-rptb specified and set flag_argument_alias is -mno-aliases
1127 (c4x_output_cbranch): Handle a sequence of insns rather than a
1129 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
1130 has not been allocated as the loop counter.
1131 (c4x_address_conflict): Do not allow two volatile memory references.
1132 (valid_parallel_operands_4, valid_parallel_operands_5,
1133 valid_parallel_operands_6): Reject pattern if the register destination
1134 of the first set is used as part of an address in the second set.
1136 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1138 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
1139 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
1140 is no longer enabled if PARALLEL_MPY_FLAG set.
1141 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
1142 (REG_CLASS_CONTENTS): Add braces around initializers.
1143 (HAVE_MULTIPLE_PACK): Define.
1144 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
1145 REAL_VALUE_TO_DECIMAL.
1146 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
1147 REAL_VALUE_TO_DECIMAL.
1148 (ar0_reg_operand): Add prototype.
1149 (ar0_mem_operand): Likewise.
1150 (ar1_reg_operand): Likewise.
1151 (ar1_mem_operand): Likewise.
1152 (ar2_reg_operand): Likewise.
1153 (ar2_mem_operand): Likewise.
1154 (ar3_reg_operand): Likewise.
1155 (ar3_mem_operand): Likewise.
1156 (ar4_reg_operand): Likewise.
1157 (ar4_mem_operand): Likewise.
1158 (ar5_reg_operand): Likewise.
1159 (ar5_mem_operand): Likewise.
1160 (ar6_reg_operand): Likewise.
1161 (ar6_mem_operand): Likewise.
1162 (ar7_reg_operand): Likewise.
1163 (ar7_mem_operand): Likewise.
1164 (ir0_reg_operand): Likewise.
1165 (ir0_mem_operand): Likewise.
1166 (ir1_reg_operand): Likewise.
1167 (ir1_mem_operand): Likewise.
1168 (group1_reg_operand): Likewise.
1169 (group1_mem_operand): Likewise.
1170 (ir1_reg_operand): Likewise.
1171 (arx_reg_operand): Likewise.
1172 (not_rc_reg): Likewise.
1173 (not_modify_reg): Likewise.
1174 (c4x_group1_reg_operand): Remove prototype.
1175 (c4x_group1_mem_operand): Likewise.
1176 (c4x_arx_reg_operand): Likewise.
1178 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
1180 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
1181 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
1183 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1185 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
1188 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1190 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
1191 unless FMOVD_WORKS is defined.
1193 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1195 * regclass.c (init_reg_sets): Move code that calculates tables
1196 dependent on reg_class_contents from here...
1197 (init_reg_sets_1): To here.
1199 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1201 * cpplib.h: Delete struct import_file. Add ihash element to
1202 struct cpp_buffer. Delete dont_repeat_files and
1203 import_hash_table elements from cpp_reader; change
1204 all_include_files to a hash table. Delete all foobar_include
1205 / last_foobar_include elements from struct cpp_options; put
1206 back four such: quote_include, bracket_include,
1207 system_include, after_include. Redo struct file_name_list
1208 completely. Add new structure type include_hash. Add
1209 prototypes for merge_include_chains and include_hash. Change
1210 prototypes for finclude, find_include_file, and
1211 append_include_chain to match changes below.
1213 * cppfiles.c (simplify_pathname, include_hash,
1214 remap_filename, merge_include_chains): New functions.
1215 (add_import, lookup_import, open_include_file): Removed.
1216 (INO_T_EQ): Define this (copied from cccp.c).
1217 (hack_vms_include_specification): Remove all calls and #if 0
1218 out the definition. It was being called incorrectly and at
1219 the wrong times. Until a VMSie can look at this, it's better
1220 to not pretend to support it.
1221 (append_include_chain): Change calling convention; now takes
1222 only one directory at a time, and sets up the data structure
1224 (redundant_include_p): Rewritten - this is now used for all
1225 include redundancy, whether by #ifndef, #import, or #pragma
1226 once. Looks up things in the include hash table.
1227 (file_cleanup): Decrement pfile->system_include_depth here if
1229 (find_include_file): Calling convention changed; now passes
1230 around a struct include_hash instead of 3 separate parameters.
1231 Guts ripped out and replaced with new include_hash mechanism.
1232 (finclude): Calling convention changed as for
1233 find_include_file. Error exits pulled out-of-line. Reformat.
1234 (safe_read): Return a long, not an int.
1235 (deps_output): Don't recurse.
1237 * cpplib.c (is_system_include): Deleted.
1238 (path_include): Fix up call to append_include_chain.
1239 (do_include): Fix up calls to find_include_file and finclude.
1240 Clean up dependency output a bit. Shorten obnoxiously lengthy
1241 #import warning message. Don't decrement
1242 pfile->system_include_depth here.
1243 (do_pragma): Understand the include_hash structure. Reformat.
1244 (do_endif): Correct handling of control macros. Understand
1246 (cpp_start_read): Fix up calls to finclude. Call
1247 merge_include_chains.
1248 (cpp_handle_option): Fix up calls to append_include_chain.
1249 Understand the four partial include chains.
1250 (cpp_finish): Add debugging code (#if 0-ed out) for the
1252 (cpp_cleanup): Free the include_hash, not the import hash and
1253 the all_include and dont_repeat lists which no longer exist.
1255 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
1257 * toplev.c (no_new_pseudos): Define.
1258 (rest_of_compilation): Set no_new_pseudos as needed.
1259 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
1260 if no_new_pseudos is set.
1261 * rtl.h (no_new_pseudos): Declare it.
1262 * reload1.c (reload): Update comments.
1263 * md.texi: Corresponding changes.
1265 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1267 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
1268 (choose_reload_regs): Rename it here as well. When computing it,
1269 also merge in used hardregs.
1271 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1273 * gcc.c: Split out Objective-C specs to...
1274 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
1277 * c-lex.c (init_parse): Always initialize the filename global.
1278 * objc/objc-act.c (lang_init): Always call check_newline at
1281 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
1283 * reload1.c (reload): Remove unused variable.
1284 (reload_reg_free_for_value_p): Add missing parameter definition.
1286 * jump.c (jump_optimize): Remove unused variable.
1288 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
1290 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
1292 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
1294 * expr.c (move_by_pieces): Similarly.
1295 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
1296 * flow.c (find_auto_inc): Similarly.
1297 (try_pre_increment): Similarly.
1298 * loop.c (strength_reduce): Similarly.
1299 * regclass.c (auto_inc_dec_reg_p): Similarly.
1300 * regmove.c (try_auto_increment): Similarly.
1301 (fixup_match_1): Similarly.
1302 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
1303 (HAVE_PRE_DECREMENT): Similarly.
1304 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
1305 * Corresponding changes to all target header files.
1306 * tm.texi: Update docs for autoinc addressing modes.
1308 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
1310 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
1311 * configure: Rebuild.
1312 * config/elfos.h: New file.
1313 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
1314 config/m68k/t-m68kelf: New file.
1316 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
1318 * Makefile.in (HOST_AR): Define.
1319 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
1320 (libcpp.a): Use the host tools explicitly.
1321 (STAGESTUFF): Add libcpp.a.
1323 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
1325 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
1326 to source and destination registers.
1328 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
1330 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
1331 The strategy we now use is to pre allocate the top_elt along
1332 with the EH context so that each thread has its own top_elt.
1333 This is necessary as the dynmanic cleanup chain is used on the
1334 top element of the stack and each thread MUST have its own.
1335 (eh_context_static): Likewise.
1336 (new_eh_context): Likewise.
1337 (__sjthrow): Likewise.
1339 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
1341 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
1342 * i386.md (prologue_get_pc): Remove unused variable.
1344 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
1346 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
1348 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
1350 * Makefile.in (OBJS): Add graph.o
1351 (graph.o): New dependency list.
1352 * flags.h: Declare dump_for_graph and define graph_dump_types type.
1353 * print-rtl.c (dump_for_graph): Define new variable.
1354 (print_rtx): Rewrite to allow use in graph dumping functions.
1355 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
1356 finish_graph_dump_file.
1357 Define graph_dump_format.
1358 (compile_file): If graph dumping is enabled also clear these files.
1359 Finish graph dump files.
1360 (rest_of_compilation): Also dump graph information if enabled.
1361 (main): Recognize -dv to enabled VCG based graph dumping.
1362 * graph.c: New file. Graph dumping functions.
1364 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
1366 * configure.in: Look for <sys/stat.h>.
1367 * system.h: Include it before substitute S_ISREG definitions.
1369 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
1371 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
1372 * config/mips/iris6.h: Same.
1373 * config/mips/mips.md: Same.
1374 * config/mips/mips.c: Same; also add "-mabi=o64" option.
1375 * config/mips/mips.h: Same; also define ABI_O64.
1377 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1379 * configure.in: Use AC_PREREQ(2.12.1).
1381 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
1383 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
1384 * cpplib.c, gcc.c: Likewise.
1385 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
1387 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
1389 * local-alloc.c (local_alloc): Use malloc not alloca for
1390 reg_qty, reg_offset, ref_next_in_qty.
1392 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1394 * caller-save.c (insert_one_insn): Initialize the live_before and
1395 live_after register sets.
1399 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
1400 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
1401 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
1402 (fp_reg_names, assembler_dialect): New variables.
1403 (print_operand_address): Handle SUBREGs.
1404 (print_operand): Added 'o' case.
1405 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
1406 Name of FP registers depends on mode.
1407 (expand_block_move): Emit different code for SH4 hardware.
1408 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
1409 (from_compare): Likewise.
1410 (add_constant): New argument last_value. Changed all callers.
1411 (find_barrier): Don't try HImode load for FPUL_REG.
1412 (machine_dependent_reorg): Likewise.
1413 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
1414 (gen_far_branch): Emit a barrier after the new jump.
1415 (barrier_align): Don't trust instruction lengths before
1417 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
1418 Use auto-inc addressing for fp registers if doubles need to
1419 be loaded in two steps.
1420 Set sh_flag_remove_dead_before_cse.
1421 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
1422 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
1423 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
1424 Support for FIRST_XD_REG .. LAST_XD_REG.
1425 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
1426 (sh_expand_epilogue): Likewise.
1427 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
1428 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
1429 (arith_reg_operand): FPUL_REG is OK for SH4.
1430 (fp_arith_reg_operand, fp_extended_operand) New functions.
1431 (tertiary_reload_operand, fpscr_operand): Likewise.
1432 (commutative_float_operator, noncommutative_float_operator): Likewise.
1433 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
1434 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
1435 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
1436 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
1437 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
1438 (CONDITIONAL_REGISTER_USAGE): Likewise.
1439 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
1440 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
1441 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
1442 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
1443 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
1444 to -1 and sh_flag_remove_dead_before_cse to 1.
1445 (ASSEMBLER_DIALECT): Define to assembler_dialect.
1446 (assembler_dialect, fp_reg_names): Declare.
1447 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
1448 Hide names of registers that are not accessible.
1449 (CACHE_LOG): Take TARGET_CACHE32 into account.
1450 (LOOP_ALIGN): Take TARGET_HARWARD into account.
1451 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
1452 (FIRST_PSEUDO_REGISTER: Now 49.
1453 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
1454 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
1455 (HARD_REGNO_MODE_OK): Update.
1456 (enum reg_class): Add DF_REGS and FPSCR_REGS.
1457 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
1458 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
1459 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
1460 (NPARM_REGS): Eight floating point parameter registers on SH4.
1461 (BASE_RETURN_VALUE_REG): SH4 also passes double values
1462 in floating point registers.
1463 (GET_SH_ARG_CLASS) Likewise.
1464 Complex float types are also returned in float registers.
1465 (BASE_ARG_REG): Complex float types are also passes in float registers.
1466 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
1467 (LIBCALL_VALUE): Remove trailing semicolon.
1468 (ROUND_REG): Round when double precision value is passed in floating
1470 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
1471 passed on the stack.
1472 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
1473 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
1474 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
1475 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
1476 (MODE_DISP_OK_8): Not for SH4 DFmode.
1477 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
1478 Allow indexed addressing for PSImode after reload.
1479 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
1480 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
1481 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
1482 (DOUBLE_TYPE_SIZE): 64 for SH4.
1483 (RTX_COSTS): Add PLUS case.
1484 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
1485 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
1486 MAC_REGS, PR_REGS, DF_REGS.
1487 (REGISTER_NAMES): Use fp_reg_names.
1488 (enum processor_type): Add PROCESSOR_SH4.
1489 (sh_flag_remove_dead_before_cse): Declare.
1490 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
1491 (PREDICATE_CODES): Add binary_float_operator,
1492 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
1493 fpscr_operand, noncommutative_float_operator.
1494 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
1495 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
1496 * sh.md (attribute cpu): Add value sh4.
1497 (attrbutes fmovd, issues): Define.
1498 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
1499 (function units memory, int, mpy, fp): Make dependent on issue rate.
1500 (function units issue, single_issue, load_si, load): Define.
1501 (function units load_store, fdiv, gp_fpul): Define.
1502 (attribute hit_stack): Provide proper default.
1503 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
1504 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
1505 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
1506 (mulsi3_call): Now uses match_operand for function address.
1507 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
1509 (push, pop, push_e, pop_e): Now define_expands.
1510 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
1511 (movsi_ie): Added y/i alternative.
1512 (ic_invalidate_line_i, movdf_i4): New insns.
1513 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
1514 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
1515 (movdf): Add special code for SH4.
1516 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
1517 (call_valuei, calli, call_value): Likewise.
1518 (movsf): Emit no-op move.
1519 (mov_nop, movsi_y): New insns.
1520 (blt, sge): generalize to handle DFmode.
1521 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
1522 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
1523 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
1524 (fpu_switch0, fpu_switch1, movpsi): New expanders.
1525 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
1526 (toggle_sz): New insn.
1527 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
1528 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
1529 (macsf3): Make use of fpscr visible. Disable for SH4.
1530 (floatsisf2): Make use of fpscr visible.
1531 (floatsisf2_i4): New insn.
1532 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
1533 (ieee_ccmpeqsf_t): Likewise.
1534 (fix_truncsfsi2): Emit different code for SH4.
1535 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
1536 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
1537 (negsf2, sqrtsf2, abssf2): Now expanders.
1538 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
1539 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
1540 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
1541 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
1542 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
1543 (fix_truncdfsi2_i4_2+1): New splitters.
1544 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
1545 (extendsfdf2, truncdfsf2): New expanders.
1546 (truncdfsf2_i4): New insn.
1547 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
1548 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
1549 * float-sh.h: When testing for __SH3E__, also test for
1550 __SH4_SINGLE_ONLY__ .
1551 * va-sh.h (__va_freg): Define to float.
1552 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
1553 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
1554 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
1555 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
1557 (TARGET_SH4_P): Define.
1560 * sh.md (movdf_k, movsf_i): Tweak the condition so that
1561 init_expr_once is satisfied about the existence of load / store insns.
1563 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
1564 change m constraint in source operand to mr / mf .
1566 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
1568 * (__VA_REEF): Define.
1569 (__va_arg_sh1): Use it.
1571 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
1573 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
1575 * i386/dgux.c (struct option): Add new "description field".
1576 * m88k/m88k.c (struct option): Likewise.
1578 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
1580 * version.c: Bump for snapshot.
1582 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1584 * regmove.c (regmove_profitable_p): Use return value of find_matches
1587 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
1589 * version.c: Bump for snapshot.
1591 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
1593 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
1594 without reload having been called earlier.
1596 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
1598 (v850_reorg): Similarly.
1600 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
1602 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1604 * loop.c (move_movables): Start of libcall might be new loop start.
1606 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1608 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
1610 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1612 * function.c (nonlocal_goto_handler_slots): Renamed from
1613 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
1614 (push_function_context_to): Adjust for this change.
1615 (pop_function_context_from): Likewise.
1616 (init_function_start): Likewise.
1617 (expand_function_end): Likewise.
1618 * function.h (struct function): Likewise.
1619 * calls.c (expand_call): Likewise.
1620 * explow.c (allocate_dynamic_stack_space): Likewise.
1621 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
1622 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
1624 (expand_goto): When doing a nonlocal goto, find corresponding handler
1625 slot for it. Don't put the label address in the static chain register.
1626 (expand_end_bindings): Break out nonlocal goto handling code into
1627 three new functions.
1628 (expand_nl_handler_label, expand_nl_goto_receiver,
1629 expand_nl_goto_receivers): New static functions, broken out of
1630 expand_end_bindings and adapted to create one handler per nonlocal
1632 * function.c (delete_handlers): Delete insn if it references any of
1633 the nonlocal goto handler slots.
1634 * i960.md (nonlocal_goto): Comment out code that modifies
1636 * sparc.md (nonlocal_goto): Likewise.
1637 (goto_handler_and_restore_v9): Comment out.
1638 (goto_handler_and_restore_v9_sp64): Comment out.
1640 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1642 * expr.c (STACK_BYTES): Delete unused macro.
1643 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
1644 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1645 (expand_call): Likewise.
1646 (emit_library_call): Likewise.
1647 (emit_library_call_value): Likewise.
1648 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
1649 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1650 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
1651 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1652 (allocate_dynamic_stack_space): Likewise.
1653 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
1654 (STACK_BOUNDARY): Update description to reflect the new situation.
1656 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
1658 * reorg.c (relax_delay_slots): When optimizing for code size, if a
1659 return with a filled delay slot is followed by a return with an
1660 unfilled delay slot, delete the first return and reemit the insn
1661 that was previously in its delay slot.
1663 * i860.c (single_insn_src_p): Add missing parens.
1664 * ginclude/math-3300.h: Likewise.
1666 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
1668 * regclass.c (init_reg_sets_1): Add prototype.
1669 (init_reg_modes): Likewise.
1671 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
1673 * c-common.c: Change warning messages to say `comparison is
1674 always true' or `comparison is always false' instead of the
1675 confusing `is always 0', `is always 1'.
1677 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
1679 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
1680 break instead of return (which loses closing '>').
1682 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
1684 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
1685 standard 387 constants.
1687 * i386.md (jump): Explicitly set "memory" attribute.
1688 (indirect_jump, prologue_set_stack_ptr): Likewise.
1689 (prologue_get_pc_and_set_got, pop): Likewise.
1690 (allocate_stack_worder, blockage, return_internal): Likewise.
1691 (return_pop_internal, nop): Likewise.
1692 (epilogue_set_stack_ptr, leave): Likewise.
1694 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
1696 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
1698 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1700 * reload1.c (reload_reg_free_for_value_p):
1701 Early auto_inc reloads don't conflict with outputs.
1703 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1705 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
1706 Instead call AC_HEADER_SYS_WAIT.
1708 * collect2.c: Don't provide defaults for sys/wait.h macros.
1710 * protoize.c: Likewise. Also, don't include sys/wait.h.
1712 * system.h: Include sys/wait.h and provide macro defaults.
1714 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1716 * Makefile.in (mandir): Set to @mandir@.
1717 (man1dir): New variable to hold the former value of $(mandir).
1718 Replace all uses of $(mandir) by $(man1dir).
1720 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
1722 * reload.c (find_reloads_address_part): If have a CONST_INT, create
1723 a new one before passing it to force_const_mem.
1725 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
1726 find_reloads_address call.
1728 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1730 * expr.c (store_expr): Don't generate load-store pair
1731 if TEMP is identical (according to ==) with TARGET.
1733 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1735 * reload1.c (reload_reg_free_for_value_p): When considered reload
1736 has an output, matching inputs are not sufficient to avoid conflict.
1738 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
1740 * hash.h (hash_table_key): New type.
1741 (hash_entry): Change `string' field to generic `key'.
1742 (hash_table): Add `comp' and `hash' functions.
1743 (hash_table_init): Take them as input.
1744 (hash_table_init_n): Likewise.
1745 (hash_lookup): Modify for generic keys.
1746 (hash_newfunc): Likewise.
1747 (hash_traverse): Likewise.
1748 (string_hash): New function.
1749 (string_compare): Likewise.
1750 (string_copy): Likewise.
1751 * hash.c (hash_table_init_n): Modify for generic keys.
1752 (hash_table_init): Likewise.
1753 (hash_lookup): Likewise.
1754 (hash_newfunc): Likewise.
1755 (hash_traverse): Likewise.
1756 (string_hash): Split out from hash_lookup.
1757 (string_compare): New function.
1758 (string_copy): Split out from hash_lookup.
1759 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
1761 (symbol_hash_lookup): Likewise.
1762 (file_hash_newfunc): Likewise.
1763 (file_hash_lookup): Likewise.
1764 (demangled_hash_newfunc): Likewise.
1765 (demangled_hash_lookup): Likewise.
1766 (tlink_int): Likewise.
1767 (read_repo_file): Likewise.
1768 (recompile_files): Likewise.
1769 (demangle_new_symbols): Likewise.
1770 (scan_linker_output): Likewise.
1772 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1774 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
1776 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
1778 * rs6000.c (output_mi_thunk): Improve test for local branch.
1780 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1782 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
1784 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1786 * reload1.c (reload_reg_free_before_p): Delete.
1787 Changed all callers to use reload_reg_free_for_value_p instead.
1788 (reload_reg_free_for_value_p): Handle more reload types.
1789 A RELOAD_FOR_INPUT doesn't conflict with its
1790 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
1791 Add special case for OUT == const0_rtx.
1792 Added ignore_address_reloads argument. Changed all callers.
1794 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
1796 * toplev.c (compile_file): Don't pedwarn about undefined static
1797 functions just because we passed -Wunused.
1799 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1801 * function.c (purge_addressof_1): Unshare rtl created by
1804 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1806 * regmove.c (regmove_optimize): Don't do anything but
1807 optimize_reg_copy[123] when flag_regmove is not set.
1809 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
1811 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
1812 value in paradoxical SImode result, rather than truncating midpoint.
1814 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
1816 * alpha.c (reg_not_elim_operand): New.
1817 * alpha.h (PREDICATE_CODES): Add it.
1818 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
1819 for the multiplicand.
1821 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
1823 * rs6000.md (movsf): Remove explicit secondary-reload-like
1824 functionality. Only truncate SFmode store if in FPR.
1825 (movsf splitters): Combine const_double splitters.
1826 (movsf_hardfloat): Add GPR support.
1828 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
1830 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
1831 deprecate -mlive-g0 and -mbroken-saverestore.
1832 * t-splet (MULTILIB_OPTIONS): Likewise.
1834 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
1835 in a leaf function. Clarify total_size/extra_size relationship.
1837 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
1839 * i386/cygwin32.asm: Delete.
1840 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
1841 * i386/cygwin32.h: Delete.
1842 * i386/cygwin.h: New file, renamed from cygwin32.h.
1843 * i386/t-cygwin32: Delete.
1844 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
1845 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
1846 * i386/x-cygwin32: Delete.
1847 * i386/x-cygwin: New file, renamed from x-cygwin32.
1848 * i386/xm-cygwin32: Delete.
1849 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
1850 renamed cygwin_ funcs for path translations.
1851 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
1852 * i386/winnt.c: Remove "32" from comment about cygwin.
1853 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
1854 * rs6000/cygwin32.h: Delete.
1855 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
1856 -D__CYGWIN__ to CPP_PREDEFINES.
1857 * rs6000/x-cygwin32: Delete.
1858 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
1859 * rs6000/xm-cygwin32: Delete.
1860 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
1862 * configure.in: Check for cygwin* instead of cygwin32. Account
1863 for the rename of cygwin-related config files to lose the "32"s.
1864 * configure: Regenerate.
1866 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
1867 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
1869 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
1871 * Makefile.in (JAVAGC): New macro.
1872 * configure: Rebuilt.
1873 * configure.in: Recognize --enable-java-gc argument. Subst
1876 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1878 Handle equivalences that have been obscured by gcse:
1880 * reload1.c (reload): Handle equivalences set up in multiple places.
1881 * local-alloc.c (reg_equiv_init_insns): New variable.
1882 (no_equiv): New function.
1883 (update_equiv_regs): Handle equivalences set up in multiple places.
1884 Don't ignore an insn just because its destination is likely to be
1887 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
1889 * except.c (expand_eh_return): Readd force_operand call lost in
1892 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
1894 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
1896 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1898 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
1900 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1902 * regmove.c (regmove_optimize): Fix error in last change.
1904 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
1906 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
1907 offset in the .mask pseudo to compensate for frame pointer adjustments.
1908 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
1909 word swap arguments moved to/from FP registers.
1910 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
1912 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
1914 * version.c: Bump for snapshot.
1916 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
1918 * version.c: Bump for snapshot.
1920 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
1922 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
1923 times, then it can not be completely replaced.
1925 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
1927 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
1929 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1931 * gansidecl.h: Prepend a "G" to the macro wrapping this file
1932 (to distinguish it from the macro wrapping ansidecl.h.)
1933 Include libiberty's ansidecl.h. Remove all redundant definitions.
1934 Define the PROTO() style macros in terms of the PARAMS() ones.
1937 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
1938 __STDC__, when deciding whether to use ANSI variable args.
1939 (emit_library_call_value): Likewise.
1941 * cccp.c (error): Likewise.
1942 (warning): Likewise.
1943 (error_with_line): Likewise.
1944 (warning_with_line): Likewise.
1945 (pedwarn): Likewise.
1946 (pedwarn_with_line): Likewise.
1947 (pedwarn_with_file_and_line): Likewise.
1950 * cexp.y (error): Likewise.
1951 (pedwarn): Likewise.
1952 (warning): Likewise.
1954 * collect2.c (fatal_perror): Likewise.
1958 * combine.c (gen_rtx_combine): Likewise.
1960 * cpperror.c (cpp_message): Likewise.
1961 (cpp_fatal): Likewise.
1963 * cpplib.c (cpp_error): Likewise.
1964 (cpp_warning): Likewise.
1965 (cpp_pedwarn): Likewise.
1966 (cpp_error_with_line): Likewise.
1967 (cpp_warning_with_line): Likewise.
1968 (cpp_pedwarn_with_line): Likewise.
1969 (cpp_pedwarn_with_file_and_line): Likewise.
1971 * cpplib.h: Don't define PARAMS() macro.
1973 * demangle.h: Likewise.
1975 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
1976 when deciding whether to use ANSI variable args.
1978 * emit-rtl.c (gen_rtx): Likewise.
1979 (gen_rtvec): Likewise.
1981 * final.c (asm_fprintf): Likewise.
1983 * fix-header.c (cpp_message): Likewise.
1985 (cpp_fatal): Likewise.
1987 * gcc.c (concat): Likewise.
1991 * genattr.c (fatal): Likewise.
1993 * genattrtab.c (attr_rtx): Likewise.
1994 (attr_printf): Likewise.
1997 * gencodes.c (fatal): Likewise.
1999 * genconfig.c (fatal): Likewise.
2001 * genemit.c (fatal): Likewise.
2003 * genextract.c (fatal): Likewise.
2005 * genflags.c (fatal): Likewise.
2007 * genopinit.c (fatal): Likewise.
2009 * genoutput.c (fatal): Likewise.
2012 * genpeep.c (fatal): Likewise.
2014 * genrecog.c (fatal): Likewise.
2016 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
2017 deciding whether to declare `tree_node' and `rtx_def'.
2019 * hash.h: Don't define stuff we get from gansidecl.h.
2021 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
2022 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2023 whether to use ANSI variable args.
2026 * prefix.c (concat): Likewise.
2030 * system.h: Likewise.
2032 * toplev.c (error_with_file_and_line): Likewise.
2033 (error_with_decl): Likewise.
2034 (error_for_asm): Likewise.
2037 (warning_with_file_and_line): Likewise.
2038 (warning_with_decl): Likewise.
2039 (warning_for_asm): Likewise.
2040 (warning): Likewise.
2041 (pedwarn): Likewise.
2042 (pedwarn_with_decl): Likewise.
2043 (pedwarn_with_file_and_line): Likewise.
2045 (really_sorry): Likewise.
2047 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2048 whether to declare `tree_node' and `rtx_def'.
2050 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
2051 deciding whether to use ANSI variable args.
2052 (build_nt): Likewise.
2053 (build_parse_node): Likewise.
2055 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
2057 * version.c: Bump for snapshot.
2059 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2061 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
2063 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2065 * collect2.c (main, case 'b'): Use else if.
2067 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2069 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
2070 Arrange to include gansidecl.h in {ht}config.h & tm.h just
2071 before the config/ directory headers.
2072 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
2073 gansidecl.h in the list of dependencies.
2075 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
2076 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
2077 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
2078 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
2079 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
2080 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
2083 * cccp.c: Don't include gansidecl.h.
2085 * collect2.c: Likewise.
2086 * config/c4x/c4x.c: Likewise.
2087 * config/v850/v850.h: Likewise.
2088 * cppalloc.c: Likewise.
2089 * cpperror.c: Likewise.
2090 * cppexp.c: Likewise.
2091 * cppfiles.c: Likewise.
2092 * cpphash.c: Likewise.
2093 * cpplib.c: Likewise.
2094 * cppmain.c: Likewise.
2095 * cppulp.c: Likewise.
2096 * demangle.h: Likewise.
2097 * doprint.c: Likewise.
2098 * dyn-string.c: Likewise.
2099 * eh-common.h: Likewise.
2100 * fix-header.c: Likewise.
2101 * frame.c: Likewise.
2104 * gen-protos.c: Likewise.
2105 * gencheck.c: Likewise.
2106 * halfpic.h: Likewise.
2108 * machmode.h: Likewise.
2109 * mbchar.c: Likewise.
2110 * prefix.c: Likewise.
2111 * protoize.c: Likewise.
2112 * recog.h: Likewise.
2114 * scan-decls.c: Likewise.
2116 * varray.h: Likewise.
2118 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
2120 * i386.md (call_value_pop): If we're not popping anything,
2121 defer to call_value.
2122 (call_pop): Likewise defer to call.
2124 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
2126 * function.c (purge_addressof): Clear purge_addressof_replacements
2127 only after processing the whole function.
2129 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
2131 * reload1.c (reload): If we can not perform a particular elimination
2132 when we thought we could earlier, then we must always iterate through
2133 the loop at least one more time.
2135 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
2137 * alpha.c (add_operand): Simplify the CONST_INT match.
2138 (sext_add_operand): Correct typo in comparison by using
2139 CONST_OK_FOR_LETTER_P.
2140 * alpha.md (s?addq): Use sext_add_operand to allow the negative
2141 constant alternatives to be generated.
2142 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
2143 small constants, since the hw instructions do.
2145 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2147 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
2148 previous insn to store directly into our reload register, make sure
2149 that if the source of the previous insn is a reload register, its
2150 spill_reg_store and spill_reg_stored_to values are cleared.
2152 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
2154 * rs6000.md (floatunssidf2_internal splitter): Use base register
2155 operand, not hard-coded SP.
2157 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2159 * jump.c (calculate_can_reach_end): Fix thinko.
2161 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
2163 * reorg.c (fill_simple_delay_slots): Fix typo.
2165 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
2167 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
2169 * i386.md (extendsidi2): Use # in the output template.
2170 (extendsidi splitters): New splitters.
2172 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
2174 * configure.in: Use unknown-elf.h as tm_file for arm-elf
2176 * configure: Regenerate.
2178 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2180 * jump.c (init_label_info, delete_barrier_successors,
2181 mark_all_labels, delete_unreferenced_labels,
2182 delete_noop_moves, calculate_can_reach_end): New functions broken
2183 out of jump_optimize.
2184 (jump_optimize): Use them.
2186 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2188 * except.c (expand_fixup_region_end): Make sure outer context labels
2189 are not issued in an inner context during cleanups.
2191 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
2193 * alpha.md (addsi3, subsi3): No new temporaries once cse is
2196 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
2198 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
2199 to expose this midpoint to CSE.
2201 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2203 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
2205 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2207 * configure.in: Bring over gcc2 change of Nov 19 1997.
2209 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
2211 * toplev.c (output_lang_identify): Make definition dependent on
2212 ASM_IDENTIFY_LANGUAGE.
2214 * print-rtl.c (spaces): Make static.
2216 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
2218 * extend.texi: Clarify proper uses for register clobbers in asms.
2220 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2222 * recog.h (enum op_type): Define.
2223 (constrain_operands): Adjust prototype.
2224 (recog_op_type): Declare new variable.
2225 * recog.c (recog_op_type): New variable.
2226 (insn_invalid_p): Allow modifying an asm statement after reload.
2227 (extract_insn): Set up recog_op_type.
2228 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2229 Don't compute operand types, use recog_op_type.
2230 Use the information computed by extract_insn instead of the previous
2231 method of finding it by insn code number.
2232 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2233 * reorg.c (fill_slots_from_thread): Likewise.
2234 * reload1.c (reload_as_needed): Likewise.
2235 (gen_reload): Likewise.
2236 (inc_for_reload): Likewise.
2237 (reload_cse_simplify_operands): Likewise.
2238 Use the information computed by extract_insn instead of the previous
2239 method of finding it by insn code number.
2240 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
2242 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
2243 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
2244 Use the information computed by extract_insn instead of the previous
2245 method of finding it by insn code number.
2246 * regmove.c (find_matches): Likewise. Change meaning of the return
2247 value to be nonzero if the optimization can be performed, zero if
2248 not. All callers changed.
2249 Shorten some variable names to fix formatting problems.
2250 (regmove_optimize): Shorten some variable names to fix formatting
2252 Use the information computed by extract_insn instead of the previous
2253 method of finding it by insn code number.
2254 * regclass.c (scan_one_insn): Likewise.
2255 (record_reg_classes): Don't compute operand types, use recog_op_type.
2256 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
2257 recog_constraints instead.
2259 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
2261 * rtl.h (flow2_completed): Declare.
2262 * flow.c (flow2_completed): Definition.
2263 * toplev.c (rest_of_compilation): Set and clear flow2_completed
2266 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2268 * Makefile.in (libcpp.a): Ranlib libcpp.a
2270 * cppulp.c (user_label_prefix): Initialize.
2272 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
2274 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
2275 at a RETURN if current_function_sp_is_unchanging is set.
2277 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2279 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
2281 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
2283 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
2284 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
2285 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
2286 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
2287 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
2288 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
2290 (LIB_SPEC): Handle -mno-cyginw option.
2291 (LINK_SPEC): Handle -mdll.
2293 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2295 * reload.c (find_reloads): Fix test for usage by other reload
2296 to handle secondary reloads properly.
2298 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2300 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
2301 intermediate structure which has exactly the members provided by
2302 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
2303 static intermediate structure.
2305 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
2306 from the intermediate structure. Do the same analogous fix in
2307 the case where ELIMINABLE_REGS is not defined.
2309 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
2311 * pa.h (SELECT_SECTION): Fix thinko.
2313 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
2315 * dwarf2out.c (output_call_frame_info): Comments on last change.
2317 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
2319 * arm.c (add_constant): When taking the address of an item in the
2320 pool, get the mode of the item addressed.
2322 * arm.c (final_prescan_insn case INSN): If an insn doesn't
2323 contain a SET or a PARALLEL, don't consider it for conditional
2326 Restore ABI compatibility for NetBSD.
2327 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
2329 (RETURN_IN_MEMORY): Likewise.
2331 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
2333 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
2334 (m32r_output_block_move): Rewrite bytes < 4 handling.
2336 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2338 * configure.in: Call AC_FUNC_VFORK.
2340 * collect2.c: Define VFORK_STRING as a printable string for
2341 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
2342 defined, include vfork.h. If VMS is defined, define vfork()
2343 appropriately. Remove vfork check on USG, we're using autoconf.
2344 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
2345 checking locally what string to pass.
2346 (scan_prog_file): Likewise.
2347 (scan_libraries): Likewise.
2349 * gcc.c: Remove vfork check on USG, we're using autoconf.
2350 Besides, no calls to vfork/fork occur in this file.
2352 * protoize.c: Likewise.
2354 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2356 * configure.in (DEFAULT_LINKER): renamed from LD
2357 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
2358 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
2359 * configure: rebuilt
2361 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2363 * BUGS: fix the regexp for `more' to find the appropriate node.
2364 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
2366 * BUGS: added link to the WWW FAQ
2368 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
2370 * version.c: Bump for snapshot.
2372 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
2374 * From Christian Gafton:
2375 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
2376 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
2377 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
2379 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
2381 * c-common.c (c_get_alias_set): Allow all type-punning through
2382 unions. Don't get confused about the type of a bit-field, despite
2383 the antics of build_modify_expr.
2385 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
2387 * fixinc.sco: Paramaterize #include_next values.
2388 * fixinc/fixinc.sco: Likewise.
2390 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
2392 * toplev.c (rest_of_compilation): No longer set reload_completed.
2393 * reload1.c (reload): Set it here. Perform instruction splitting
2394 after reload has completed if we will be running the scheduler
2397 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
2399 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
2400 EH region if exceptions are enabled and we're performing cross
2402 (find_cross_jump): Exit loop if the insns are in different EH regions.
2404 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
2406 * dwarf2out.c (output_call_frame_info): Use
2407 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
2409 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2411 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
2412 * c-common.c (check_format_info): Don't check for the 'x'
2413 format character twice, instead check for 'x' and 'X'
2415 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
2417 * configure.in (assembler features): Also make gas is configured if
2418 we find it in the souce tree.
2420 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
2422 * i386.c (i386_comp_type_attributes): Compare whether the
2423 attributes are defined, not their tree nodes.
2425 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2427 * configure.in (gxx_include_dir): bitten by autoconf quoting
2429 * configure: rebuilt
2431 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2433 * configure.in: Ignore non-absolute value in $AS.
2435 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
2437 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
2439 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
2441 * configure.in (msdosdjgpp): Set exeext and target_alias.
2443 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2445 * flow.c (XNMALLOC): New macro.
2446 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
2448 (add_edge, add_edge_to_label): New static functions.
2449 (free_bb_memory): New function.
2450 (flow_delete_insn): Delete function.
2451 (basic_block_drops_in): Delete variable.
2452 (find_basic_blocks): Allocate and initialize basic_block_head,
2453 basic_block_succ. Don't allocate basic_block_drops_in.
2454 Call free_bb_memory at the beginning.
2455 (find_basic_blocks_1): Don't do multiple passes.
2456 Delete code to compute basic_block_drops_in.
2457 After calling make_edges, mark blocks reached by current block live.
2458 Update test for unreachable live blocks.
2459 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
2461 Simplify to call add_edge_to_label when a LABEL_REF is found.
2462 (make_edges): Simplify to call add_edge_to_label instead of
2463 mark_label_ref most of the time.
2464 Compute here whether control drops into the next block.
2465 (delete_unreachable_blocks): Return void. All callers changed.
2466 Delete unreachable blocks in reverse order.
2467 After deleting all unreachable blocks, renumber the remaining ones
2468 and update n_basic_blocks.
2469 (delete_block): Speed up deletion a bit.
2470 Don't set basic_block_drops_in for deleted blocks.
2471 (free_basic_block_vars): Don't free basic_block_drops_in.
2472 (life_analysis_1): Update to use new edge representation.
2473 (dump_flow_info): Delete code to print basic block info; call
2474 dump_bb_data instead.
2475 (compute_preds_succs): Delete code to recompute basic_block_drops_in
2476 and uid_block_number.
2477 Simply copy the previously computed cfg.
2478 (dump_bb_data): New arg LIVE_INFO. All callers changed.
2479 Print register lifetime information if LIVE_INFO is nonzero.
2480 * basic-block.h (dump_bb_data): Adjust prototype.
2481 * gcse.c (gcse_main): Update call to dump_bb_data.
2482 * rtl.h (free_bb_memory): Declare.
2483 * toplev.c (rest_of_compilation): Call free_bb_memory.
2485 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
2486 (update_eliminable_offsets): Don't compute it.
2487 (set_initial_elim_offsets): Don't initialize it.
2488 Break out some code into set_initial_label_offsets so the rest of
2489 this function can be called from reload_as_needed.
2490 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
2491 ELIMINABLE_REGS isn't.
2492 (set_initial_label_offsets): New function, broken out of
2493 set_initial_elim_offsets.
2494 (set_offsets_for_label): New function, broken out of set_label_offsets
2495 and reload_as_needed.
2496 (reload): Call the two new functions.
2497 (reload_as_needed): Call set_initial_elim_offsets instead of
2498 duplicating the code. Likewise for set_offsets_for_label.
2500 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
2501 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
2502 any hard reg, reg_reloaded_dead contains valid data.
2504 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
2506 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
2507 "stdcall" and "cdecl" attributes.
2509 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
2511 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
2512 handle deleted no-op moves of hard registers.
2513 * haifa-sched.c (update_flow_info): Likewise.
2515 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
2517 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
2518 of the sequences to reload the HILO register which do not actually
2521 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
2523 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
2525 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2527 * except.c (emit_eh_context): Make the EH context register stay alive
2528 at -O0 so stupid.c doesn't get confused.
2530 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2532 * emit-rtl.c (try_split): Do not try to split a BARRIER.
2534 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
2535 Jeffrey A Law (law@cygnus.com)
2537 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
2538 (zero_extendsidi2): Use # in output template and handle completely by
2540 (zero_extend splitters): New define_splits.
2541 (ashiftrt_32): New pattern.
2543 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2545 * tree.c (append_random_chars): New fn.
2546 (get_file_function_name_long): Use it.
2548 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
2550 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
2551 (LIBCPP_OBJS): New. Add cppulp.o.
2552 (cppmain, fix-header): Depend on and use libcpp.a.
2553 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
2554 of the individual object files.
2555 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
2558 * cccp.c (user_label_prefix): New.
2559 (main): Set it off -f*leading-underscore.
2560 (special_symbol): Use it.
2561 * cpplib.c (special_symbol): Likewise.
2562 (cpp_handle_option): Handle -f*leading-underscore.
2563 * cppulp.c: New file.
2565 * output.h (user_label_prefix): Declare it.
2566 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
2567 * toplev.c (f_options, main): Handle -f*leading-underscore.
2569 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
2570 referencing USER_LABEL_PREFIX directly.
2571 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
2572 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
2573 * final.c (asm_fprintf): Use user_label_prefix instead.
2574 * arm/thumb.c (thumb_print_operand): Likewise.
2576 * gcc.c (default_compilers): Pass -f*leading-underscore on to
2577 cpp wherever appropriate.
2579 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
2581 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
2582 specific compiler switches.
2584 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
2586 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
2589 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2591 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
2592 structure which has exactly the members provided by EXTRA_SPECS.
2593 Xmalloc() the real `extra_specs', and initialize it from this
2594 intermediate structure.
2596 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
2598 * mips.h (EXTRA_SPECS): Likewise.
2600 * sparc.h (EXTRA_SPECS): Likewise.
2602 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2604 * function.c (purge_addressof_1): Instead of aborting when a
2605 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
2606 work just put the ADDRESSOF on stack. Otherwise remember all such
2607 successfull replacements, so that exactly the same replacements
2608 can be made on the REG_NOTEs. Remove the special case for CALL
2610 (purge_addressof_replacements): New variable.
2611 (purge_addressof): Clear it at end.
2613 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2615 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
2616 (lang_init): Call check_newline always.
2617 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
2618 cpp_start_read, set yy_cur and yy_lim to read from
2619 parse_in.token_buffer, so that we'll see the first #line
2621 * cpplib.c (cpp_start_read): finclude the main input file
2622 before processing -include/-imacros. Process -imacros and
2623 -include separately, and handle -include by stacking a
2624 buffer for the file in question as if it'd been #included.
2625 * toplev.c (documented_lang_options) Recognize -H when
2628 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2630 * cpplib.c: Merge do_once into do_pragma. Break file handling
2631 code out of do_include.
2632 Move append_include_chain, deps_output,
2633 file_cleanup, redundant_include_p, import_hash,
2634 lookup_import, add_import, read_filename_string, read_name_map,
2635 open_include_file, finclude, safe_read to cppfiles.c.
2636 Move prototypes for deps_output, append_include_chain,
2637 finclude to cpplib.h. Move definition of struct
2638 file_name_list there also.
2640 * cppfiles.c: New file. Contains all the above functions
2641 broken out of cpplib.c; also hack_vms_include_specification
2642 from cccp.c and find_include_file, a new function broken out of
2645 * Makefile.in (cppmain): Depend on cppfiles.o.
2646 (fix-header): Likewise.
2647 (cppfiles.o): New target.
2648 * configure.in (--enable-c-cpplib): Add cppfiles.o to
2649 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
2651 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
2653 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
2654 if pending_types is non-zero.
2655 (dwarfout_finish): Verify pending_types is zero before finishing.
2657 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
2659 * expr.c (convert_move): Use shifts to perform the move if a
2660 suitable extend pattern cannot be found. Code written by
2661 Richard Henderson <rth@cygnus.com>.
2663 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2665 * regclass.c (renumber, regno_allocated): New static variables, moved
2666 out of allocate_reg_info.
2667 (allocate_reg_info): Move these two variables outside the function.
2668 Move code to free memory into new function free_reg_info.
2669 (free_reg_info): New function, broken out of allocate_reg_info.
2670 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
2671 * rtl.h (allocate_reg_info): Don't declare.
2672 (free_reg_info): Declare.
2674 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
2676 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
2678 * toplev.c (compile_file): Temporarily revert last change.
2680 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2682 * c-typeck.c (convert_for_assignment): Parenthesize.
2684 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2686 * reload1.c (delete_output_reload): Avoid ambigous else.
2688 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
2690 * toplev.c (compile_file): Call allocate_reg_info to free register
2692 * rtl.h (allocate_reg_info): Declare.
2694 * PROJECTS: Remove entry for local spilling.
2696 * final.c (cleanup_subreg_operands): New function.
2697 (final_scan_insn): Use it.
2698 (alter_subreg): Clear the "used" field when we turn a SUBREG into
2700 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
2701 operands when reload has finished.
2702 * reload.h (cleanup_subreg_operands): Declare..
2703 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
2704 reload. Handled in reload itself.
2706 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2708 * reload1.c (verify_initial_offsets): New function.
2709 (reload): Call it after reload_as_needed. Also verify that the frame
2710 size stays constant during reload_as_needed.
2711 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
2713 * reload.h (struct insn_chain): Add need_operand_change element.
2714 * reload1.c (new_insn_chain): Clear it.
2715 (calculate_needs_all_insns): Set it; don't overload need_reload.
2716 (reload_as_needed): Use it.
2718 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
2719 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
2720 and reload_address_index_reg_class.
2721 (find_reloads_address_1): Likewise.
2722 * reload.h (reload_address_base_reg_class,
2723 reload_address_index_reg_class): Don't declare.
2724 * reload1.c (reg_old_renumber, pseudo_previous_regs,
2725 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
2726 (used_spill_regs): Now static.
2727 (reload_address_base_reg_class, reload_address_index_reg_class,
2728 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
2729 basic_block_needs, max_needs, group_size, group_mode, max_groups,
2730 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
2733 (init_reload): Delete code to compute base/index reg classes.
2734 (reload): Delete variable J.
2735 Delete code to manage basic_block_needs.
2736 Don't compute regs_explicitly_used.
2737 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
2738 pseudo_previous_regs.
2739 Initialize bad_spill_regs_global.
2740 Don't call order_regs_for_reload here.
2741 Don't initialize spill_reg_order and n_spills.
2742 Don't forbid explicitly used regs to be used for spill regs.
2743 Change main loop to infinite loop, with explicit break statements.
2744 Make SOMETHING_CHANGED variable local to that loop.
2745 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
2746 max_groups_insn, max_nongroups_insn, group_size, group_mode.
2747 Make sure spilled_speudos is cleared before calling spill_hard_reg or
2749 Don't call dump_needs.
2750 Delete code to reset potential_reload_regs.
2751 Delete code to terminate loop conditional on the global needs variables
2752 showing no further needs.
2753 (calculate_needs_all_insns): Return void. All callers changed.
2754 Initialize somehing_needs_elimination here, not in reload.
2755 Delete avoid_return_reg kludge.
2756 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
2757 All callers changed.
2758 Initialize the group_mode and group_size elements of the arg CHAIN.
2759 Delete code to manage basic_block_needs.
2760 Operate on elements of CHAIN instead of global variables.
2761 Delete avoid_return_reg kludge.
2762 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
2763 All callers changed.
2764 Operate on elements of CHAIN instead of global variables.
2765 Delete special SMALL_REGISTER_CLASSES code.
2766 Delete spill_failure code; now in new_spill_reg.
2767 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
2768 All callers changed.
2769 Operate on elements of CHAIN instead of global variables.
2770 (maybe_mark_pseudo_spilled): New static function.
2771 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
2772 All callers changed.
2773 Operate on elements of CHAIN instead of global variables.
2774 Call order_regs_for_reload here, not in reload.
2775 Initialize spill_reg_order and n_spills.
2776 Simplify test whether an asm insn is involved.
2777 Delete spill_failure code; now in new_spill_reg.
2778 Call maybe_mark_pseudo_spilled for everything marked as live in
2779 CHAIN. Merge CHAIN's used_spill_regs into the global variable
2781 (dump_needs): Take CHAIN arg. No longer static, to prevent the
2782 compiler from optimizing this function (now unused) away.
2783 Operate on elements of CHAIN instead of global variables.
2784 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
2786 Operate on elements of CHAIN instead of global variables.
2787 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
2788 take CHAIN arg. All callers changed.
2789 Operate on elements of CHAIN instead of global variables.
2790 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
2791 CHAIN, NONGROUP args. Return void. All callers changed.
2792 Verify caller isn't trying to spill a pseudo.
2793 Simplify test for illegal reg, just use bad_spill_regs.
2794 Generate better error messages.
2795 Operate on elements of CHAIN instead of global variables.
2796 Mark spilled register in CHAIN's used_spill_regs element.
2797 Don't call spill_hard_reg.
2798 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
2799 Mark spilled hard regs in bad_spill_regs_global.
2800 Mark affected pseudos in spilled_pseudos, but don't spill them.
2801 (ior_hard_reg_set): New static function.
2802 (finish_spills): Return int. All callers changed.
2803 Compute spill_reg_order, n_spills and spill_regs here. Also update
2804 regs_ever_live for regs used as spills.
2805 For every pseudo in spilled_pseudos, spill it and mark the previous
2806 hard reg it had in pseudo_previous_regs. Compute which hard regs
2807 arseudo): New static function.
2808 (order_regs_for_reload): Take CHAIN arg. All callers changed.
2809 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
2810 hard registers explicitly used across the current insn into the set.
2811 Compute hard_reg_n_uses taking only pseudos live across this insn
2813 Tweak sorting of potential_reload_regs.
2814 (compare_spill_regs): Delete function.
2815 (reload_as_needed): Don't sort the spill_regs array, it's computed
2816 in proper order in finish_spills.
2817 Delete avoid_return_reg kludge.
2818 Delete code to manage basic_block_needs.
2819 (allocate_reload_reg): Minor speed/readability tweaks.
2820 Operate on elements of CHAIN instead of global variables.
2821 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
2822 Delete avoid_return_reg kludge.
2823 Initialize reload_reg_used from CHAIN's used_spill_regs element.
2824 Delete unused label FAIL.
2825 (reload_combine): Replce reload_address_index_reg_class with
2827 Don't use used_spill_regs to determine information about lifetime of
2830 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
2832 * toplev.c (display_help): Ignore empty target specific
2833 options, and if -W is also specified on the command line then
2834 display undocumented options.
2836 * config/arm/arm.c: Updated with changes in devo sources.
2837 * config/arm/arm.h: Updated with changes in devo sources.
2838 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
2839 * config/arm/lib1thumb.asm: Add ELF support.
2841 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
2843 * collect2.c (aix64_flag): New variable.
2844 (main, case 'b'): Parse it.
2845 (GCC_CHECK_HDR): object magic number must match mode.
2846 (scan_prog_file): Only check for shared object if valid header.
2847 Print debugging if header/mode mismatch.
2849 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
2851 Added support for arm-elf-linux configuration, submitted by Philip
2852 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
2853 code developed by Catherine Moore <clm@cygnus.com>. The following
2856 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
2859 * configure: Regenerated.
2861 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
2862 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
2863 definitions conditional on their not having been already defined.
2865 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
2866 and .type directives, and add "(PLT)" qualification to function
2869 * config/arm/linux.h: Deleted. This file is now superceeded by
2870 either linux-elf.h or linux-aout.h.
2872 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
2873 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
2875 Move definitions from old linux.h file here.
2877 * config/arm/elf.h: New file. Generic ARM/ELF support.
2879 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
2881 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
2883 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
2884 using the 26bit APCS.
2886 * config/arm/unknown-elf.h: New file. Support for OS'es other
2887 than Linux with ELF.
2889 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
2892 * config/arm/coff.h: Include aout.h for basic assembler macros.
2893 Add support for -mstructure_size_boundary=<n> command line option.
2895 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
2896 command line option. Make macro definitions conditional on their
2897 not having been already defined.
2899 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
2900 command line option.
2903 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
2905 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
2906 has been changed to not include a newline. Use this macro instead.
2907 (output_enumeral_list, const_value_attribute, name_attribute,
2908 comp_dir_attribute, prototyped_attribute, producer_attribute,
2909 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
2910 dwarfout_file_scope_decl, generate_new_sfname_entry,
2911 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
2912 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
2914 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
2916 * combine.c (subst): Process the inputs to a parallel asm_operands
2919 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
2921 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
2923 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
2925 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
2927 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
2929 * version.c: Bump for snapshot.
2931 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
2933 * stmt.c (expand_fixup): Set fixup->before_jump to a
2934 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
2936 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2938 * Makefile.in (recog.o): Depend on toplev.h.
2939 (insn-emit.o): Depend on recog.h.
2940 (insn-peep.o): Depend on recog.h and insn-config.h.
2942 * combine.c (simplify_set): Remove unused variable `scratches'.
2944 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
2945 and `idx' in macro conditional controlling their use.
2947 * genemit.c (main): Make the generated output file include
2948 recog.h. Don't have it declare `insn_operand_constraint', since
2949 we get it from recog.h.
2951 * genpeep.c (main): Make the generated output file include
2952 insn-config.h and recog.h.
2954 * recog.c: Include toplev.h.
2955 (extract_insn): Remove unused variable `p'.
2957 * regclass.c (fix_register): Add missing braces around initializer
2959 (allocate_reg_info): Move variable `i' into the scope where it is
2960 used. Change its type to `size_t'.
2962 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2964 * reload.c (push_reload): When merging reloads, make sure
2965 that reload_in_reg and reload_in are from the same reload in
2968 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
2970 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
2971 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
2973 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
2975 * loop.c (loop_has_tablejump): New variable.
2976 (prescan_loop): Scan for it.
2977 (insert_bct): Replace explicit scan with use of it.
2978 * regclass.c (regclass): Restore loop variable j.
2979 (record_reg_classes): Deterine op_types modifiers and initialize
2980 classes[i] before matching constraints. Handle matching
2983 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
2985 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
2988 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2990 * mips.h (EXTRA_SPECS): Add missing initializers.
2992 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2994 * sparc.h (EXTRA_SPECS): Add missing initializers.
2995 (sparc_defer_case_vector): Provide a prototype.
2997 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
2998 comparing it to the result of a pointer subtraction.
3000 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3002 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
3003 the argument to (unsigned char).
3005 * alpha.h (EXTRA_SPECS): Add missing initializers.
3006 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
3009 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
3011 * flow.c (life_analysis_1): Enable "rescan" code after reload.
3012 (propagate_block): Delete dead code after reload.
3014 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
3015 back Oct 15, 1998 change.
3016 * haifa-sched.c (update_flow_info): Likewise.
3017 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
3019 * mn10200.md (truncated shift): Accept constant inputs too.
3021 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
3023 * machmode.h (mode_mask_array): No longer const.
3024 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
3026 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3028 * frame.c: Somewhat explain `FDE'.
3029 Suggested by Brendan Kehoe
3031 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
3033 * expr.c (pending_chain): Move up.
3034 (save_expr_status): Do save pending_chain.
3035 (restore_expr_status): And restore it.
3036 * function.h (struct function): Add pending_chain.
3038 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3040 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
3041 did not match the code.
3043 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3045 * regclass.c (regclass): Break out some code into new function
3046 scan_one_insn, and into regclass_init.
3047 (init_cost): New static variable, moved out of regclass.
3048 (regclass_init): Initialize it here, not in .
3049 (scan_one_insn): New static function, broken out of regclass.
3050 * recog.c (apply_change_group): Break out some code into new
3051 function insn_invalid_p.
3052 (insn_invalid_p): New static fn, broken out of apply_change_group.
3054 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
3056 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
3057 reg_reloaded_contents matches incremented pseudo.
3059 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
3061 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3063 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
3064 addressing modes with side effects. These are currently
3065 placeholders for the C4x target.
3067 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3069 * loop.c (express_from): Make sure that when generating a PLUS of
3070 a PLUS, any constant expression appears on the outermost PLUS.
3072 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
3074 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
3075 works if "$(srcdir)" != ".".
3077 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
3079 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
3080 existing SUBREG if we can, otherwise abort.
3082 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
3084 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
3085 `restrict' is applied to a non-pointer variable.
3087 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
3089 * invoke.texi: Document -flang-isoc9x.
3091 * Makefile.in (OBJS): Add splay-tree.o.
3092 (c-common.o): Depend on rtl.h.
3093 (splay-tree.o): List dependencies and provide build rule.
3095 * rtl.h (record_alias_subset): New function.
3096 * alias.c: Include splay-tree.h.
3097 (alias_set_entry): New type.
3098 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
3099 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
3100 (mems_in_disjoin_alias_sets_p): New function.
3101 (alias_set_compare): Likewise.
3102 (insert_subset_children): Likewise.
3103 (get_alias_set_entry): Likewise.
3105 * tree.h (TYPE_RESTRICT): New macro.
3106 (TYPE_UNQUALIFIED): New manifest constant.
3107 (TYPE_QUAL_CONST): Likewise
3108 (TYPE_QUAL_VOLATILE): Likewise.
3109 (TYPE_QUAL_RESTRICT): Likewise.
3110 (tree_type): Add restrict_flag. Reduce count of free bits.
3111 (DECL_POINTER_ALIAS_SET): New macro.
3112 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
3113 (tree_decl): Add pointer_alias_set.
3114 (build_qualified_type): New function.
3115 (build_type_variant): Define in terms of build_qualified_type.
3116 * tree.c (set_type_quals): New function.
3117 (make_node): Initializae DECL_POINTER_ALIAS_SET.
3118 (build_type_attribute_variant): Use build_qualified_type and
3120 (build_type_variant): Rename, and modify, to become...
3121 (build_qualified_type): New function.
3122 (build_complex_type): Use set_type_quals.
3124 * c-tree.h (C_TYPE_OBJECT_P): New macro.
3125 (C_TYPE_FUNCTION_P): Likewise.
3126 (C_TYPE_INCOMPLETE_P): Likewise.
3127 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
3128 (c_apply_type_quals_to_decl): New function.
3129 (c_build_qualified_type): New function.
3130 (c_build_type_variant): Define in terms of c_build_qualified_type.
3131 (flag_isoc9x): Declare.
3132 * c-typeck.c (qualify_type): Use c_build_qualified_type.
3133 (common_type): Change to use TYPE_QUALS.
3134 (comptypes): Likewise.
3135 (convert_for_assignment): Likewise.
3136 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
3137 * c-decl.c (flag_isoc9x): Define.
3138 (c_decode_option): Handle -flang-isoc9x.
3139 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
3140 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
3141 * c-lex.c (init_lex): Deal with restrict.
3142 (init_lex): Don't treat restrict as a reserved word in
3143 -traditional mode, or without -flang-isoc9x.
3144 * c-lex.h (rid): Add RID_RESTRICT.
3145 * c-parse.gperf (restrict, __restrict, __restrict__): Make
3146 equivalent to RID_RESTRICT.
3147 * c-parse.in (TYPE_QUAL): Update comment.
3148 * c-common.c: Include rtl.h.
3149 (c_find_base_decl): New function.
3150 (c_build_type_variant): Rename, and modify, to become ...
3151 (c_build_qualified_type): New function.
3152 (c_apply_type_quals_to_decl): Likewise.
3153 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
3154 a particular alias set for the reference.
3155 * toplev.c (documented_lang_options): Add -flang-isoc9x.
3157 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
3159 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
3160 command line switches.
3162 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
3164 * reload.c (loc_mentioned_in_p): Add missing braces to bind
3167 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
3169 * gcc.c (option_map): Added --classpath and --CLASSPATH.
3171 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
3173 * regclass.c (fix_register): Add error message.
3174 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
3177 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3179 * c-decl.c (warn_missing_noreturn): New global variable.
3180 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
3181 (finish_function): Implement missing noreturn warning.
3183 * c-tree.h (warn_missing_noreturn): Declare extern.
3185 * invoke.texi: Document new flags.
3187 * toplev.c (documented_lang_options): Add description.
3189 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3191 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
3192 loop optimization stable for the C4x.
3193 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
3194 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
3195 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
3197 (c4x_address_conflict): Be more paranoid when packing a volatile
3198 memref in a parallel load/store.
3200 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3202 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
3203 repeat_block_filler): Deleted.
3204 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
3205 Condition code not set if destination register from 'c' class.
3206 (*subbqi3_carry_clobber): Fix typo.
3208 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3210 * reorg.c (steal_delay_list_from_target) Check for insns that
3211 modify the condition codes and effect the direction of the jump
3214 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3216 * function.c (purge_addressof_1): Replace call to
3217 emit_insns_before() with emit_insn_before().
3219 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
3221 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
3223 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3225 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3227 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3229 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3230 clobbered across calls.
3232 * loop.c (scan_loop): Be more selective about what invariants are
3233 moved out of a loop.
3235 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
3237 * version.c: Bump for snapshot.
3239 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3241 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
3242 static eh_context structure.
3244 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3246 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
3248 (try_combine): Don't update max_scratch.
3249 * flow.c (max_scratch, num_scratch): Delete variables.
3250 (life_analysis_1): Don't initialize max_scratch.
3251 (propagate_block): Don't update max_scratch.
3252 (mark_set_1): Don't increment num_scratch.
3253 * regs.h (max_scratch): Delete declaration.
3255 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
3257 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
3258 is nonzero. This is temporary!
3260 * sched.c (update_flow_info): Handle death notes made invalid by
3261 instruction splitting. Partially reverts Oct 15, 1998 patch.
3262 * haifa-sched.c (update_flow_info): Likewise.
3264 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
3266 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
3267 if it has a nonzero DECL_INITIAL.
3269 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3271 * Makefile.in (flow.o): Depend on recog.h.
3273 * cpplib.h (directive_table): Add missing initializiers.
3274 (finclude): Change type of variable `bsize' to size_t.
3276 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
3278 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
3280 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
3281 `int' when comparing against one.
3282 (cpp_file_line_for_message): Mark parameter `pfile' with
3284 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
3286 * flow.c: Include recog.h.
3287 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
3289 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
3290 `f' with ATTRIBUTE_UNUSED.
3291 (reposition_prologue_and_epilogue_notes): Likewise.
3293 * genopinit.c (gen_insn): Cast argument of ctype functions to
3296 * haifa-sched.c: Include recog.h.
3297 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
3298 comparing against one.
3300 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
3302 * mips-tfile.c (parse_end): Cast the argument of ctype function to
3304 (parse_ent): Likewise.
3305 (parse_input): Likewise.
3307 * optabs.c (init_libfuncs): Likewise.
3309 * protoize.c (find_rightmost_formals_list): Likewise.
3311 * recog.h (const_double_operand): Fix typo in prototype.
3313 * tlink.c (scan_linker_output): Cast the argument of ctype
3314 function to `unsigned char'.
3316 * toplev.c (check_lang_option): Cast the result of `strlen' to
3317 `int' when comparing against one.
3319 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3321 * gcse.c (dump_cuid_table): Correct typo.
3323 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
3325 * toplev.c (display_help): Prepend '-m' to target specific
3327 (check_lang_option): Ignore text after end of first word of a
3328 language specific option.
3330 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3332 * reload1.c (reg_used_by_pseudo): New static variable.
3333 (choose_reload_regs): Initialize it.
3334 Use it instead of testing spill_reg_order to determine whether a
3335 pseudo is live in a hard register across the current insn.
3336 Fix a typo in a reference to reload_reg_rtx.
3338 * flow.c (propagate_block): Replace code that computes and uses
3339 regs_sometimes_live with simpler code that just walks the set of
3340 currently live registers.
3342 * Makefile.in (insn-extract.o): Fix dependencies.
3343 * genextract.c (main): Generate includes for insn-config.h and
3345 Delete generation of declarations which are now in recog.h.
3346 * genrecog.c (main): Delete generation of definitions which are
3348 * local-alloc.c (block_alloc): Use extract_insn and the variables
3349 it sets up instead of looking up values by insn_code.
3350 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
3351 recog_dup_num): Define here instead of generating the definition in
3353 (recog_n_operands, recog_n_dups, recog_n_alternatives,
3354 recog_operand_mode, recog_constraints, recog_operand_address_p):
3356 (extract_insn): New function.
3357 * recog.h (extract_insn): Declare function.
3358 (which_alternative, recog_n_operands, recog_n_dups,
3359 recog_n_alternatives, recog_operand_mode, recog_constraints,
3360 recog_operand_address_p): Declare variables.
3361 * regclass.c (n_occurrences): New static function.
3362 * reload.c (n_occurrences): Delete function.
3363 (find_reloads): Use extract_insn.
3364 * reload.h (n_occurrences): Delete declaration.
3366 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
3368 * reload1.c (reload_as_needed): Fix test for when to call
3369 update_eliminable_offsets.
3371 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3373 Fix consistency problems with reg_equiv_{mem,address};
3374 Improve reload inheritance;
3376 * reload.c (reload_out_reg): New variable.
3377 (loc_mentioned_in_p, remove_address_replacements): New functions.
3378 (remove_replacements): Deleted.
3379 (push_reload): Set reload_out_reg[i].
3380 When merging, also set reload_{in,out}_reg[i], and remove
3381 duplicate address reloads.
3382 (combine_reloads): Copy reload_out_reg[i].
3383 (find_reloads): Do make_memloc substitution also when
3384 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3386 Include *recog_operand_loc in commutativity operand changes.
3387 Generate optional output reloads.
3388 Delete reference to n_memlocs. Don't set *recog_operand_loc before
3389 processing operands. Call make_memloc in reg_equiv_address code.
3390 Set *recog_operand_loc only after processing operands, and only
3391 if replace is true. Return a value.
3392 When changing address reload types for operands that didn't get
3393 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
3394 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
3395 Don't emit USEs for pseudo SUBREGs when not replacing.
3396 (find_reloads_address): Do make_memloc substitution also when
3397 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3399 (find_reloads_toplev): Likewise.
3400 Call make_memloc in reg_equiv_address code.
3401 (debug_reload_to_stream): Add code to output reload_out_reg.
3402 (make_memloc): Delete local variable i, ifdefed out code, and
3403 references to memlocs and n_memlocs.
3404 (memlocs, n_memlocs): Delete.
3405 (push_secondary_reload): Clear reload_out_reg.
3406 (find_reloads_address_1): Provide memrefloc argument to all calls
3407 to find_reloads_address.
3408 In AUTO_INC code, handle non-directly addressable equivalences properly.
3409 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
3410 (find_reloads): Add return type.
3411 (remove_address_replacements, deallocate_reload_reg): Declare.
3412 * reload1.c (num_not_at_initial_offset): No longer static.
3413 (delete_address_reloads, delete_address_reloads_1): Likewise.
3414 (deallocate_reload_reg): New function.
3415 (spill_reg_stored_to): New array.
3416 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
3417 (eliminate_regs_in_insn): Move assignments of previous_offset and
3418 max_offset fields, and recalculation of num_not_at_initial_offset
3419 into new static function:
3420 (update_eliminable_offsets) .
3421 (reload_as_needed): Call update_eliminable_offsetss after calling
3423 Call forget_old_reloads_1 with contents of reloaded auto_inc
3424 expressions if the actual addressing can't be changed to match the
3426 (choose_reload_regs): For inheritance, replace
3427 reload_reg_free_before_p test with reload_reg_used_at_all test, and
3428 remove stand-alone reload_reg_used_at_all test.
3429 Use reload_out_reg to determine which reload regs have output reloads.
3430 Treat reload_override_in more similar to inherited reloads.
3431 Handle (subreg (reg... for inheritance.
3432 For flag_expensive_optimizations, add an extra pass to remove
3433 unnecessary reloads from known working inheritance.
3434 Delete obsolete code for pseudos replaced with MEMs.
3435 Handle inheritance from auto_inc expressions.
3436 (emit_reload_insns): If reload_in is a MEM, set OLD to
3438 Don't reload directly from oldequiv; if it's a pseudo with a
3439 stack slot, use reload_in[j].
3440 Check that reload_in_reg[j] is a MEM before replacing reload_in
3441 from reg_reloaded_contents.
3442 Include non-spill registers in reload inheritance processing.
3443 Also try to use reload_out_reg to set spill_reg_store /
3444 reg_last_reload_reg.
3445 In code to set new_spill_reg_store, use single_set to find out if
3446 there is a single set.
3447 Add code that allows to delete optional output reloads.
3448 Add code to allow deletion of output reloads that use no spill reg.
3449 At the end, set reload_override_in to oldequiv.
3450 Also call delete_output_reload if reload_out_reg is equal to old
3452 Add code to call delete_output_reload for stores with no matching load.
3453 Set / use spill_reg_stored_to.
3454 Handle case where secondary output reload uses a temporary, but
3455 actual store isn't found.
3456 When looking for a store of a value not loaded in order to call
3457 delete_output_reload, count_occurences should return 0 for no
3458 loads; but discount inherited input reloadill_reg_stored_to.
3459 Do checks for extra uses of REG. Changed all
3461 Use delete_address_reloads.
3462 (reload): Take return value of find_reloads into account.
3463 If a no-op set needs more than one reload, delete it.
3464 (reload_reg_free_before_p): RELOAD_FOR_INPUT
3465 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
3466 for the same operand.
3467 (clear_reload_reg_in_use): Check for other reloads that keep a
3469 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
3470 RELOAD_FOR_OPADDR_ADDR.
3471 Take into account when an address address reload is only needed
3472 for the address reload we are considering.
3473 (count_occurrences): Use rtx_equal_p for MEMs.
3474 (inc_for_reload): Return instruction that stores into RELOADREG.
3475 New argument two, IN, and rtx. Changed all callers.
3476 (calculate_needs_all_insns, reload_as_needed):
3477 Don't clear after_call for a CLOBBER.
3478 Keep track of how many hard registers need to be copied from
3479 after_call, and don't clear after_call before we have seen
3480 that much copies, or we see a different instruction.
3482 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
3484 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
3485 after reload has completed.
3487 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
3489 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
3490 a macro name and the next token with a single blank if that whitespace
3491 is in a macro buffer and the next token is not '('.
3493 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
3495 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
3497 (skip_if_group): Ditto.
3498 (skip_to_end_of_comment): Ditto.
3500 (discard_comments): Ditto.
3501 (change_newlines): Ditto.
3503 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
3505 * c-lex.c (yylex): Fix unaligned access of wchar_t.
3507 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
3509 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
3510 (TARGET_OPTIONS): Add --help documentation.
3512 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3514 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
3516 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
3518 * fixinc/* Moved in from ../contrib directory in preparation
3519 for integrating it into the normal build process. In particular,
3520 fixinc/Makefile.in must be config-ed into the build directory
3521 as fixinc/Makefile. Proposed patches to ./Makefile.in and
3522 ./configure.in will be "in the mail" momentarily.
3524 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
3526 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
3527 accidently walk into the free list. Comment how that can happen.
3528 (invalidate): Fix indentation.
3530 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3531 Jeffrey A Law (law@cygnus.com)
3533 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
3534 reload. Never perform rescans of the insn chain after reload.
3535 (propagate_block): Do not delete insn or create new autoinc addressing
3538 * jump.c (jump_optimize): Unconditionally use the code that was
3539 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
3540 * reload1.c (reload): When reloading is finished, delete all
3541 REG_DEAD and REG_UNUSED notes.
3542 (emit_reload_insns): Delete all code that was conditional on
3543 PRESERVE_DEATH_INFO_REGNO_P.
3544 (no_longer_dead_regs): Delete variable.
3545 (reload_cse_delete_death_notes): Delete function.
3546 (reload_cse_no_longer_dead): Delete function.
3547 (reload_cse_regs_1): Delete all code to handle deletion of death
3549 (reload_cse_noop_set_p): Likewise.
3550 (reload_cse_simplify_set): Likewise.
3551 (reload_cse_simplify_operands): Likewise.
3552 (reload_cse_move2add): Likewise.
3553 * reorg.c (used_spill_regs): Delete declaration.
3554 (max_label_num_after_reload): Delete declaration.
3555 (find_dead_or_set_registers): Don't assume that spill regs are
3556 dead at a CODE_LABEL.
3557 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
3559 * sched.c (sched_analyze_insn): Likewise.
3560 (update_flow_info): Likewise.
3561 * haifa-sched.c (sched_analyze_insn): Likewise.
3562 (update_flow_info): Likewise.
3563 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
3564 * toplev.c (max_label_num_after_reload): Delete variable.
3565 (rest_of_compilation): Don't set max_label_num_after_reload.
3566 Call life_analysis after reload_cse_regs if optimizing.
3567 * config/gmicro/gmicro.h: Delete comment referring to
3568 PRESERVE_DEATH_INFO_REGNO_P.
3569 * config/i386/i386.h: Likewise.
3570 * config/m88k/m88k.h: Likewise.
3571 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
3572 * config/sh/sh.h: Likewise.
3574 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
3576 * loop.c (strength_reduce): Restore marking bct_p as
3578 * rs6000.c (optimization_options): Change #ifdef HAIFA to
3579 HAVE_decrement_and_branch_on_count.
3580 (small_data_operand): Remove TARGET_ELF condition for marking
3581 parameters ATTRIBUTE_UNUSED.
3583 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
3585 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
3586 (SELECT_SECTION): Resync with svr4.h.
3588 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
3590 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
3593 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
3595 * c-pragma.c (handle_pragma_token): Test for null tree before
3596 dereferencing TREE_CODE.
3598 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3600 * config/c4x/c4x.c: Convert to use GEN_INT.
3601 (c4x_parallel_process): Rework to handle new repeat loop structure.
3603 * config/c4x/c4x.md: Convert to use GEN_INT.
3604 (rptb_end): Convert to use GE test. Replace uses with clobbers.
3605 (decrement_and_branch_on_count): Likewise.
3607 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
3608 loop.c has the desired functionality.
3609 (rc_reg_operand): New prototype.
3611 * config/c4x/t-c4x: Can now build all front ends.
3613 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
3615 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
3617 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
3619 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
3620 * config/t-rtems: Do not install assert.h -- use newlib's.
3622 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3624 * combine.c (combine_instructions): When finished, call init_recog.
3625 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
3627 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
3629 * toplev.c: If flag_syntax_only, don't open or write assembler file.
3631 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3633 * cppalloc.c (memory_full): Mark function prototype with
3636 * demangle.h (collect_exit): Likewise.
3638 * fix-header.c (v_fatal, fatal): Likewise.
3640 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
3643 * gcov.c (print_usage): Likewise.
3645 * genattr.c (fatal, fancy_abort): Likewise.
3647 * genattrtab.c (fatal, fancy_abort): Likewise.
3649 * gencodes.c (fatal, fancy_abort): Likewise.
3651 * genconfig.c (fatal, fancy_abort): Likewise.
3653 * genemit.c (fatal, fancy_abort): Likewise.
3655 * genextract.c (fatal, fancy_abort): Likewise.
3657 * genflags.c (fatal, fancy_abort): Likewise.
3659 * genopinit.c (fatal, fancy_abort): Likewise.
3661 * genoutput.c (fatal, fancy_abort): Likewise.
3663 * genpeep.c (fatal, fancy_abort): Likewise.
3665 * genrecog.c (fatal, fancy_abort): Likewise.
3667 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
3668 __sjpopnthrow, __throw): Likewise.
3670 * objc/objc-act.c (objc_fatal): Likewise.
3672 * protoize.c (usage, aux_info_corrupted,
3673 declare_source_confusing): Likewise.
3675 * rtl.c (dump_and_abort): Likewise.
3677 * rtl.h (sets_cc0_p): Likewise.
3679 * toplev.c (float_signal, pipe_closed): Likewise.
3681 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3683 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
3684 when generating the decision tree for the general case.
3686 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
3687 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
3689 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3691 * Makefile.in (sched.o): Depend on recog.h.
3693 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
3694 (unsigned) when comparing against one.
3695 (find_base_value): Likewise.
3696 (record_base_value): Cast variable `regno' to (unsigned) when
3697 comparing against one. Cast the result of REGNO() macro to
3698 (unsigned) when comparing against one.
3699 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
3701 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
3702 variable where an unsigned index is needed.
3704 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
3705 before comparing against one.
3707 * collect2.c: Add prototypes for functions `error', `fatal' and
3708 `fatal_perror'. Make these functions take variable arguments
3709 instead of faking it with a fixed number of args.
3710 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
3713 * combine.c (can_combine_p): Mark parameter `pred' with
3715 (find_split_point): Cast variable `src' to (unsigned
3716 HOST_WIDE_INT) when comparing against one.
3717 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
3718 (simplify_logical): Likewise.
3719 (force_to_mode): Cast result of INTVAL() macro to (unsigned
3720 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
3721 HOST_WIDE_INT) in shift.
3722 (simplify_and_const_int): Cast result of INTVAL() macro to
3723 `unsigned HOST_WIDE_INT' when comparing against one.
3724 (merge_outer_ops): Cast variable const0 to `unsigned
3725 HOST_WIDE_INT' when comparing against the result of
3726 GET_MODE_MASK() macro.
3727 (simplify_comparison): Likewise for variable `c0'. Cast variable
3728 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
3729 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
3730 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
3731 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
3732 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
3733 comparing against one.
3734 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
3736 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
3737 macro to `unsigned HOST_WIDE_INT' when comparing against one.
3738 (output_block_move): Cast `sizeof' expression to (int) when
3739 comparing against one.
3740 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
3742 (save_restore_insns): Cast `base_offset' to `long' to match format
3743 specifier in fprintf.
3745 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
3746 to `enum machine_mode'.
3748 * flow.c (life_analysis_1): Remove unused variable `insn'.
3750 * gcc.c (translate_options): Move variables `j' and `k' into the
3751 scope in which they are used. Change their types to `size_t'.
3752 (set_spec): Cast the argument of ctype macro to `unsigned char'.
3753 (read_specs): Likewise.
3754 (process_command): Cast `sizeof' to (int) when comparing against one.
3755 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
3756 (handle_braces): Cast both sides of `==' expression to `long' to
3757 ensure sign matching.
3758 (main): Cast variable `i' to `int' when comparing against one.
3760 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
3761 int to size_t. Cast variable `i' to size_t when comparing against
3764 * genattrtab.c (convert_set_attr_alternative): Remove unused
3765 parameter `insn_code'. All callers changed.
3766 (convert_set_attr): Likewise.
3768 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
3769 size_t when comparing against one. Likewise for variable `len'.
3771 * global.c (global_alloc): Cast variable `max_regno' to size_t
3772 when comparing against one. Likewise for variable `max_allocno'.
3774 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
3776 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
3777 `set' with ATTRIBUTE_UNUSED.
3778 (find_free_reg): Cast `sizeof' expression to (int) when comparing
3781 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
3782 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
3783 (get_condition): Cast variable `const_val' to `unsigned
3784 HOST_WIDE_INT' when comparing against one. Cast unsigned
3785 expression to HOST_WIDE_INT when comparing against one.
3786 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
3787 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
3788 `unsigned' when comparing against one.
3790 * protoize.c (is_id_char): Change type of parameter `ch' to
3792 (munge_compile_params): Cast argument of ctype macro to (const
3794 (process_aux_info_file): Cast variable `aux_info_size' to int when
3795 comparing against one.
3796 (forward_to_next_token_char): Cast argument of ctype macro to
3797 `const unsigned char'.
3798 (edit_formals_lists): Likewise.
3799 (find_rightmost_formals_list): Likewise.
3800 (add_local_decl): Likewise.
3801 (add_global_decls): Likewise.
3802 (edit_fn_definition): Likewise.
3803 (do_cleaning): Likewise.
3804 (scan_for_missed_items): Likewise.
3805 (edit_file): Cast variable `orig_size' to (int) when comparing
3807 (main): Cast argument of ctype macro to `const unsigned char'.
3809 * recog.c (const_int_operand): Mark parameter `mode' with
3812 * regclass.c (record_reg_classes): Change type of variable `c' to
3813 `unsigned char'. Cast `char' array index to `unsigned char'.
3815 * reload.c (push_secondary_reload): Cast argument to
3816 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
3818 * reload1.c (calculate_needs): Cast `char' array index to
3820 (set_label_offsets): Change type of variable `i' to unsigned int.
3821 Cast result of XVECLEN() macro to unsigned when comparing against
3823 (mark_not_eliminable): Change type of variable `i' to unsigned.
3824 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
3825 when comparing against one.
3826 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
3827 comparing against one.
3828 (choose_reload_regs): Hide unused label `fail'.
3829 (reload_cse_simplify_operands): Cast `char' array index to
3831 (reload_combine_note_store): Mark parameter `set' with
3832 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
3834 (reload_cse_move2add): Remove unused variable `src2'.
3836 * sched.c: Include recog.h.
3837 (sched_note_set): Remove unused parameter `b'. All callers
3839 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
3840 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
3841 when comparing against one.
3843 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
3844 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
3845 comparing against one.
3847 * unroll.c (precondition_loop_p): Remove unused parameter
3848 `loop_end'. All callers changed.
3850 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3852 * reload1.c (maybe_fix_stack_asms): New static function.
3855 * reload.h (compute_use_by_pseudos): Declare.
3857 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
3858 (something_needs_reloads): Delete variable.
3859 (finish_spills): New function.
3860 (compute_use_by_pseudos): New function.
3862 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
3863 Use the reload_insn_chain instead of walking the rtl directly.
3865 (reload): Allocate and free spilled_pseudos.
3866 Ensure that all calls of spill_hard_reg are followed by a call to
3868 Use the insns_need_reload list instead of something_needs_reloads
3869 to find out if reload_as_needed must be called.
3870 Clear unused_insn_chains at the end.
3872 (calculate_needs_all_insns): Lose FIRST parameter. All callers
3874 Delete code to keep track of current basic block.
3875 Walk reload_insn_chain instead of the rtl structure. Build the
3876 insns_need_reload chain.
3877 Remember which insns need reloading/elimination by setting the
3878 appropriate fields in struct insn_chain, not by putting modes on the
3881 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
3882 arg INSN. All callers changed.
3883 Delete declaration of struct needs.
3884 Don't set something_needs_reloads.
3885 Record insn needs in the CHAIN argument.
3887 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
3889 (reload_as_needed): Lose FIRST arg. All callers changed.
3890 Walk the reload_insn_chain instead of the rtx structure.
3891 Delete code to keep track of current basic block.
3892 Rename one of the NEXT variables to OLD_NEXT.
3894 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
3896 (choose_reload_regs): Likewise.
3898 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
3901 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
3902 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
3903 (hard_regs_live, hard_regs_need_restore): Delete variables.
3904 (n_regs_saved): Now static.
3905 (referenced_regs, this_insn_sets): New variables.
3907 (setup_save_areas): Restructure the code a bit.
3909 (restore_referenced_regs): Delete function.
3910 (mark_referenced_regs): New function, similar to the old
3911 restore_referenced_regs, but mark registers in referenced_regs.
3913 (clear_reg_live): Delete function.
3914 (mark_set_regs): Renamed from set_reg_live. All callers changed.
3915 Only mark registers in this_insn_sets.
3917 (save_call_clobbered_regs): Rework this function to walk the
3918 reload_insn_chain instead of using the list of instructions directly.
3919 Delete code to keep track of register lives, compute live regs on the
3920 fly from information in the chain.
3921 Instead of calling restore_referenced_regs, use mark_referenced_regs,
3922 then walk the set it computes and call insert_restore as appropriate.
3924 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
3926 Restructure the code a bit. Test hard_regs_saved instead of
3927 hard_regs_need_restore.
3928 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
3929 args. All callers changed.
3930 Restructure the code a bit. Use TO_SAVE to determine which regs to
3931 save instead of more complicated test.
3932 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
3934 Create a new insn_chain structure for the new insn and place it
3937 * rtl.texi: Update documentation to reflect that reload no longer
3938 puts modes on the insns.
3940 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3942 * function.c (purge_addressof_1): Force the first argument of a
3943 CALL insn to memory.
3945 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
3947 * rtl.h: Delete duplicate prototypes. Add some missing
3949 * rtlanal.c: (for_each_rtx): Formatting tweak.
3951 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3953 * real.c (emdnorm and etoasc): Disable round to even for c4x target
3954 to be compatible with TI compiler.
3956 * Makefile.in (USER_H): Add va-c4x.h to definition.
3958 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
3960 * function.c (purge_addressof_1): Fix typo in inequality: do
3961 bitfield optimization for equal mode sizes.
3962 * expmed.c (store_bit_field): Don't take subregs of subregs in
3963 the movstrict case. Tidy a potential problem in the multi-word case.
3964 (extract_bit_field): Likewise.
3966 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3968 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
3970 Compute max_uid_for_flow by calling get_max_uid after the scan.
3971 (find_basic_blocks_1): Don't emit NOPs here.
3973 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
3975 * alias.c (base_alias_check): Accept new args for the modes of the
3976 two references. Use them to determine if an AND can overlap. Update
3978 (memrefs_conflict_p): Assume sizes are aligned, and uses them
3979 to determine if an AND can overlap.
3981 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
3983 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
3984 check. Add comment to document problems with TARGET_SUN_FPA version
3986 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
3988 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3990 * Makefile.in (gencheck.o): Depend on gansidecl.h.
3992 * c-common.c (print_char_table): Add missing initializers.
3993 (scan_char_table): Likewise.
3994 (time_char_table): Likewise.
3996 * c-decl.c (c_decode_option): Mark parameter `argc' with
3998 (declare_parm_level): Mark parameter `definition_flag' with
4001 * c-lex.c (readescape): Use `(unsigned)1' in shift.
4002 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
4005 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
4007 (emit_call_1): Mark parameters `fndecl' and `funtype' with
4009 (expand_call): Cast result of MIN() to (unsigned int) when
4010 comparing against an unsigned value.
4012 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
4014 (make_definition): Remove unused parameter `op'. All callers
4016 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
4017 comparing against the result of pointer arithmetic.
4019 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
4020 when comparing against one.
4022 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
4023 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
4025 (output_die): Move variable `i' into the scope in which it is
4026 used. Change its type to `unsigned'.
4027 (output_die): Cast the result of `strlen' to (int) when passing it
4028 to ASM_OUTPUT_ASCII().
4029 (output_pubnames): Likewise.
4030 (output_line_info): Likewise.
4032 * emit-rtl.c (global_rtl): Add missing initializers.
4034 * explow.c (promote_mode): Mark parameter `for_call' with
4037 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
4038 `unsigned HOST_WIDE_INT' when comparing against one.
4039 (synth_mult): Change type of variable `cost' to int.
4040 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
4042 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
4043 when comparing against one.
4044 (get_inner_reference): Change variable `alignment' to unsigned.
4045 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
4046 int) when comparing against one.
4047 (expand_builtin_setjmp): Change type of variable `i' to size_t.
4049 * fold-const.c (div_and_round_double): Cast BASE to
4050 (HOST_WIDE_INT) when comparing against one.
4052 * gencheck.c: Include gansidecl.h.
4053 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
4055 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
4056 `tcode' with ATTRIBUTE_UNUSED.
4058 * real.c (edivm): Cast constant value to (unsigned long) in
4059 expression compared against an unsigned value.
4061 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
4062 comparing against one.
4063 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
4064 when comparing against one.
4066 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
4067 (unsigned int) when comparing against one. Likewise for
4069 (smallest_mode_for_size): Likewise.
4070 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
4071 (restore_storage_status): Likewise.
4073 * toplev.c (debug_args): Add missing initializer.
4074 (f_options): Spelling correction. Add missing initializers.
4075 (documented_lang_options): Likewise.
4076 (debug_end_source_file): Mark parameter `lineno' with
4079 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
4080 `decl' and `type' with ATTRIBUTE_UNUSED.
4082 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
4083 when comparing against one.
4084 (assemble_variable): Mark parameter `top_level' with
4086 (assemble_external_libcall): Mark parameter `fun' with
4088 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
4091 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
4093 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
4094 Replace use of r5 with use of r19.
4096 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
4098 * config/v850/v850.c (compute_register_save_size): Allow for the
4099 fact that helper functions save all registers, not just those used
4102 Replace constant 31 with macro LINK_POINTER_REGNUM.
4104 * config/v850/v850.md: Use 'indirect_operand' rather than
4105 'memory_operand' for bit test/set/clear patterns.
4107 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
4109 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
4110 * varasm.c (assemble_start_function et al): Don't call
4111 ASM_GLOBALIZE_LABEL for weak symbols.
4113 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
4115 * cse.c (equiv_constant): Check for NULL return from
4116 gen_lowpart_if_possible().
4118 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
4120 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
4122 * collect2.c (main): Pass -EL/-EB through to the compiler.
4124 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4126 * expr.c (push_block): Handle targets where the stack grows
4127 to higher addresses, but args grow to lower addresses and
4128 ACCUMULATE_OUTGOING_ARGS is not defined.
4130 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
4132 * config/v850/v850.c (print_operand): Extend meaning
4133 of 'c' operands to support .vtinherit.
4135 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4137 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
4138 Added ATTRIBUTE_UNUSED to unused function arguments.
4139 (rc_reg_operand): New predicate.
4140 (c4x_rptb_insert): New function.
4141 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
4142 (c4x_optimization_options): New function.
4144 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
4145 (decrement_and_branch_on_count): New pattern.
4146 (rptb_top): Modified pattern to work with BCT optimization.
4148 * config/c4x/c4x.h (RC_REG): New register class.
4149 (rc_reg_operand): Define prototype.
4150 (IS_RC_REG): New macro.
4151 (IS_RC_OR_PSEUDO_REG): New macro.
4152 (IS_RC_OR_PSEUDO_REGNO): New macro.
4153 (OPTIMIZATION_OPTIONS): Define.
4155 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
4157 * collect2.c (extract_init_priority): No priority is 65535.
4159 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4161 * Makefile.in (build_tooldir): new variable, same as old
4162 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
4163 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
4164 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
4166 * configure.in (gxx_include_dir): set default based on unlibsubdir
4167 * Makefile.in (tooldir): ditto
4168 (cccp.o, cpplib.o): use unlibsubdir implicitly through
4169 gxx_include_dir, includedir and tooldir
4170 (protoize.o, unprotoize.o): ditto
4172 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
4174 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
4176 * config/arm/thumb.c (thumb_override_options): Add warning about
4177 PIC code not being supported just yet.
4179 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
4181 * flow.c: Update comment.
4182 (notice_stack_pointer_modification): New static function.
4183 (record_volatile_insns): Use it.
4184 (mark_regs_live_at_end): Mark the stack pointer as alive
4185 at the end of the function if current_function_sp_is_unchanging
4187 (life_analysis_1): Set current_function_sp_is_unchanging.
4188 * function.c: Define it.
4189 (init_function_start): Initialize it.
4190 * output.h: Declare it.
4191 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
4192 the stack pointer as alive at the end of the function if
4193 current_function_sp_is_unchanging is set.
4194 * i386.c (ix86_epilogue): Optimize the restoring
4195 of the stack pointer.
4197 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
4199 * version.c: Bump for snapshot.
4201 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
4203 * c-pragma.c (handle_pragma_token): If passed a token instead
4204 of a tree, use that as the pack value.
4206 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
4208 * flow.c (find_basic_blocks_1): Fix prototype.
4210 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
4212 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
4213 (struct tree_decl): New fields no_check_memory_usage.
4214 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
4215 (init_attributes): Register it as a new attribute.
4216 (decl_attributes): Set flags on functions given that attribute.
4217 * c-decl.c (duplicate_decls): Merge new attribute.
4218 * expr.h (current_function_check_memory_usage): Declare new var.
4219 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
4220 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
4221 current_function_check_memory_usage.
4222 * function.h: Add field to struct function.
4223 * function.c (current_function_check_memory_usage): Define it.
4224 (push_function_context_to, pop_function_context_from): Save and
4226 (expand_function_start): Set it, based on global flag and function
4229 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4230 check non-automatic variables, to permit detection of writes to
4231 read-only locations in embedded systems without memory management.
4232 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4233 when emitting chkr_set_right_libfunc call, even if the argument is
4234 BLKmode or variable-sized; don't abort.
4236 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
4237 symbols in Pmode, not VOIDmode.
4239 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4241 * cppexp.c: When forcing unsigned comparisons, cast both sides
4244 * cpphash.h: Move static declaration of hashtab[]...
4245 * cpphash.c: ...here.
4247 * cpplib.c: Cast difference of two pointers to size_t before
4248 comparing it to size_t. Cast signed to unsigned
4249 before comparing to size_t. (FIXME: struct argdata should use
4250 unsigned buffer sizes.)
4251 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
4252 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
4253 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
4254 size_t before comparison.
4256 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
4258 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
4259 (find_basic_blocks_1): Similarly.
4260 * output.h (find_basic_blocks): Fix prototype.
4261 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
4262 find_basic_blocks anymore.
4264 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
4266 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
4267 (sbitmap_free, sbitmap_vector_free): New macros.
4268 * output.h (rtl_dump_file): Declare.
4270 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
4272 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
4274 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4276 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
4278 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
4279 (divide): Remove unused variable `tmp'.
4280 (si_to_float): Cast numeric constant to (SItype) before comparing
4283 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
4285 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
4286 * gcc.c (add_preprocessor_option): Correct typo when allocating
4287 memory, sizeof() argument had one too many `*'.
4288 (add_assembler_option): Likewise.
4289 (add_linker_option): Likewise.
4290 * gcov.c (output_data): Likewise.
4291 * local-alloc.c (memref_used_between_p): Likewise.
4292 (update_equiv_regs): Likewise.
4293 * loop.c (strength_reduce): Likewise.
4294 * reg-stack.c (record_asm_reg_life): Likewise.
4295 (subst_asm_stack_reg): Likewise.
4296 * reorg.c (dbr_schedule): Likewise.
4298 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4300 * flow.c (life_analysis_1): Break out some functions.
4301 (find_basic_blocks_1): Likewise. Also move some variables out and
4303 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
4304 new static var nonlocal_label_list with it.
4305 (active_eh_region, nested_eh_region, label_value_list,
4306 nonlocal_label_list): New static variables.
4307 (make_edges, delete_unreachable_blocks, delete_block): New static
4308 functions, broken out of find_basic_blocks_1.
4309 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
4310 noop_move_p): New static functions, broken out of life_analysis_1.
4312 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
4314 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
4315 Take extra care for op0 now possibly being a subreg.
4316 (extract_bit_field): Likewise.
4317 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
4318 the reg to memory if there is no equal sized integral mode.
4319 * stor-layout.c (int_mode_for_mode): New function.
4320 * machmode.h: Prototype it.
4322 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
4324 * global.c (build_insn_chain): Verify no real insns exist past the
4325 end of the last basic block, then exit the loop.
4327 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4329 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
4331 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
4333 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
4335 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
4337 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
4339 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
4341 * flow.c (find_basic_blocks): Correctly determine when a call
4342 is within an exception region.
4344 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
4346 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
4348 * cpplib.h: Protect from multiple inclusions.
4349 * cpplib.c: Fix minor formatting problems.
4351 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
4353 * jump.c (jump_optimize): Revert accidental patch.
4355 * Makefile.in (cpplib.o): Use unlibsubdir.
4357 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
4359 * loop.c (get_condition): Allow combine when either compare is
4362 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
4364 * version.c: Bump for snapshot.
4366 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
4368 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
4369 (init_lex): Initialize ridpointers[RID_BYREF].
4370 * c-lex.h (enum rid): Add RID_BYREF.
4371 * c-parse.gperf: Add RID_BYREF as a type qualifier.
4372 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
4373 (encode_type_qualifiers): Similarly
4374 * c-gperf.h: Rebuilt.
4376 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
4378 * c-common.c (type_for_mode): Only return TItype nodes when
4379 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4380 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
4381 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4382 (init_decl_processing): Only create TItype nodes when
4383 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4384 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
4385 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4387 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4389 * stmt.c (n_occurrences): New static function.
4390 (expand_asm_operands): Verify that all constrains match in the
4391 number of alternatives.
4392 Verify that '+' or '=' are at the beginning of an output constraint.
4393 Don't allow '&' for input operands.
4394 Verify that '%' isn't written for the last operand.
4395 * reload.c (find_reloads): Abort if an asm is found with invalid
4396 constraints; all possible problems ought to be checked for earlier.
4398 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4400 * flags.h (flag_branch_on_count_reg): Always declare
4401 * toplev.c (flag_branch_on_count_reg): Likewise.
4402 * toplev.c: Fix typos.
4404 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
4407 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
4409 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
4411 (find_basic_blocks_1): Add a nop to the end of a basic block when
4412 a trailing call insn does not have abnormal control flow.
4413 * gcse.c (pre_transpout): New variable.
4414 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
4415 (compute_pre_transpout): Calculate it.
4416 (compute_pre_ppinout): Use it to eliminate impossible placements
4417 due to abnormal control flow through calls.
4418 (compute_pre_data): Call compute_pre_transpout.
4420 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4422 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
4424 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
4426 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
4427 and matching define_insns): Tack on a `use' of the table label, so
4428 flow analysis will recognize a tablejump.
4430 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
4432 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
4433 always end basic blocks for abnormal edge reasons.
4435 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
4437 * config/i386/i386.h: Remove definition of
4438 HANDLE_PRAGMA_PACK_PUSH_POP.
4440 * config/i386/go32.h: Add definition of
4441 HANDLE_PRAGMA_PACK_PUSH_POP.
4443 * config/i386/win32.h: Add definition of
4444 HANDLE_PRAGMA_PACK_PUSH_POP.
4446 * config/i386/cygwin32.h: Add definition of
4447 HANDLE_PRAGMA_PACK_PUSH_POP.
4449 * c-pragma.c (insert_pack_attributes): Do not insert
4450 attributes unless #pragma pack(push,<n>) is in effect.
4452 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
4454 * expr.c (emit_group_store): Handle a PARALLEL destination.
4456 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
4458 * gcse.c (pre_insert_insn): When a call ends a bb, insert
4459 the new insns before the argument regs are loaded.
4461 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4463 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
4464 (c-parse.gperf): Update comments describing invocation flags.
4465 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
4467 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
4469 * reload1.c (reload): Call free before clobbering the memory
4470 locations or constants pointers.
4472 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4474 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
4475 for efficiency by checking whether we need to modify the current
4476 stack permission at all.
4477 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
4478 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
4479 __enable_execute_stack libcall here too if
4480 TRANSFER_FROM_TRAMPOLINE is defined.
4481 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
4484 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
4486 * Makefile.in (DRIVER_DEFINES): Remove last change.
4488 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4490 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
4491 insns we're going to copy.
4492 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
4494 * loop.c (count_one_set): Add prototype.
4496 * caller-save.c (restore_referenced_regs): Lose mode argument.
4497 (insert_save): Lose mode argument.
4498 (insert_restore): Lose mode argument.
4499 (insert_one_insn): Lose mode argument.
4500 (save_call_clobbered_regs): Lose mode argument.
4501 (setup_save_areas): Take no argument and return void. All callers
4503 Don't verify validity of memory addresses.
4504 * reload.h (setup_save_ares): Adjust prototype.
4505 (save_call_clobbered_regs): Likewise.
4506 * reload1.c (delete_caller_save_insns): New function.
4507 (caller_save_spill_class): Delete variable.
4508 (caller_save_group_size): Delete variable.
4509 (reload): Call setup_save_areas and save_call_clobbered_regs
4510 in the main loop, before calling calculate_needs_all_insns.
4511 Don't call save_call_clobbered_regs after the loop.
4512 Call delete_caller_save_insns at the end of an iteration if
4514 Delete code to manage caller_save_spill_class.
4515 Emit the final note before setting reload_first_uid.
4516 Simplify test that determines whether reload_as_needed gets run.
4517 (calculate_needs): Delete code to manage caller_save_spill_class.
4519 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
4521 * collect2.c (main): Initialize ld_file_name.
4523 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
4525 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
4526 check for flag_function_sections.
4528 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4530 * cse.c (insert_regs): Fix bug in Sep 24 change.
4532 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4534 * flags.h (flag_dump_unnumbered): Declare.
4535 * toplev.c (flag_dump_unnumbered): Don't declare.
4536 * print-rtl.c (flags.h): Include.
4537 (print_rtl_single): Add return value.
4538 * rtl.h (print_rtl_single): Update declaration.
4539 * flow.c (flag_dump_unnumbered): Don't declare.
4540 (print_rtl_with_bb): Use return value of print_rtl_single.
4542 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4544 * loop.c (count_one_set): New static function, broken out of
4546 (count_loop_regs_set): Call it.
4547 * global.c (mark_reg_store): Handle clobbers here by not calling
4549 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
4550 is in fact a clobber.
4551 * integrate.c (process_reg_param): New function, broken out of
4552 expand_inline_function.
4553 (expand_inline_function): Call it.
4556 * i386.md (addsidi3_1): Delete unused variable temp.
4557 (addsidi3_2): Likewise.
4558 (clstrstrsi): Delete unused variable addr1.
4560 * rtl.h: Don't declare any functions also declared in recog.h.
4562 * Makefile.in (stupid.o): Update dependencies.
4563 (global.o): Likewise.
4565 * global.c: Include reload.h
4566 (reg_becomes_live): New function.
4567 (reg_dies): New function.
4568 (build_insn_chain): New function.
4569 (global_alloc): Call build_insn_chain before calling reload.
4571 * reload.h (struct needs): New structure definition.
4572 (struct insn_chain): Likewise.
4573 (reload_insn_chain): Declare variable.
4574 (new_insn_chain): Declare function.
4577 * reload1.c (reload_startobj): New variable.
4578 (reload_insn_chain): New variable.
4579 (unused_insn_chains): New variable.
4580 (new_insn_chain): New function.
4581 (init_reload): Initialize reload_startobj, not reload_firstobj.
4582 (reload): Initialize reload_firstobj.
4583 Before returning, free everything on the reload_obstack.
4585 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
4586 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
4587 current_chain): New variables.
4588 (reg_where_born): Delete variable.
4589 (REG_WHERE_BORN): New macro.
4590 (find_clobbered_regs): New function.
4591 (stupid_life_analysis): Don't allocate/free reg_where_born.
4592 Allocate and free reg_where_born_exact, reg_where_born_clobber,
4593 reg_where_dead_chain.
4594 Use REG_WHERE_BORN instead of reg_where_born.
4595 While processing the insns, build the reload_insn_chain with
4596 information about register lifetimes.
4597 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
4598 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
4600 Compute and information about birth and death of pseudo registers in
4601 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
4602 Delete code to set elements of reg_where_born.
4604 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4606 * tree.def (GOTO_EXPR): Modified documentation.
4607 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
4610 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
4612 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
4613 loop_final_value, loop_comparison_code): No longer static.
4614 (unroll_loop): Delete loop_start_value update.
4615 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
4616 loop_final_value, loop_comparison_code): Extern.
4617 (loop_start_value): Delete extern.
4618 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
4619 loop_comparison_value, loop_comparison_code): Delete.
4620 (loop_optimize): Remove initialization for deleted variables.
4621 (strength_reduce): Delete analyze_loop_iterations call. Only call
4622 insert_bct if flag_branch_count_on_reg set.
4623 (analyze_loop_iterations): Delete.
4624 (insert_bct): Remove iteration count calculation. Move checks for
4625 viable BCT optimization to here. Obtain iteration count from
4626 loop_iterations and correct for unrolling. Check for enough
4627 iteration to be beneficial. Comment out runtime iteration count
4629 (insert_bct): Print iteration count in dump file. Remove
4630 loop_var_mode and use word_mode directly.
4632 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
4633 * rs6000.c (rs6000_override_options): Use it.
4634 (optimization_options): Enable use of flag_branch_on_count_reg.
4635 * rs6000.md (define_function_unit): Describe 604e.
4637 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4639 * loop.c (move_movables): Corrected threshold calculation for
4640 moved_once registers.
4642 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4644 * loop.c (combine_givs_p): Fix test for identical givs.
4646 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
4648 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
4649 call abort if the function is already defined.
4651 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
4653 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
4654 truncation is not a no-op.
4656 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
4658 * version.c: Bump for snapshot.
4660 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
4662 * version.c: Bump for snapshot.
4664 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
4666 * expmed.c (expand_divmod): Don't widen for computing remainder
4667 if we seem to have a divmod pattern for needed mode.
4669 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4671 * cpplib.c (macroexpand): Correct off-by-one error in handling
4674 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
4676 * combine.c (expand_field_assignment): Don't do bitwise operations
4677 on MODE_FLOAT; pun to MODE_INT if possible.
4679 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
4680 scott snyder <snyder@d0sgif.fnal.gov>
4682 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
4683 linker. Recognize mangled names in quotes.
4685 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4687 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
4688 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
4689 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
4690 (lshrsi3_extend, lshrsi3_extend2): Ditto.
4692 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4694 * function.c (purge_addressof_1): If trying to take a sub-word
4695 integral piece of a floating point mode, put it on the stack.
4697 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
4699 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
4701 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
4703 * PROJECTS: Remove template friends.
4705 * collect2.c (sort_ids): Remove unused variable.
4707 * tm.texi (MATH_LIBRARY): Document.
4708 (NEED_MATH_LIBRARY): Remove.
4710 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
4711 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
4713 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
4715 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
4716 last_end to 0x7fffffff.
4718 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4720 * function.c (purge_addressof_1): Do not perform endianness
4721 corrections on bitpos, who we call will do it for us.
4723 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
4725 * h8300.c (WORD_REG_USED): Fix typo.
4726 (initial_offset): Use WORD_REG_USED.
4728 * h8300.c (handle_pragma): Fix typo.
4730 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4732 * caller-save.c (insert_save_restore): Break this function up
4733 into new functions insert_restore, insert_save and insert_one_insn.
4734 All callers changed.
4735 (insert_restore): New function, mostly broken out of
4736 insert_save_restore.
4737 (insert_save): Likewise.
4738 (insert_one_insn): Likewise.
4739 (restore_referenced_regs): New argument BLOCK. All callers changed.
4740 (save_call_clobbered_regs): Don't keep track of basic block boundaries
4741 in this function, do it in insert_one_insn instead.
4743 * reload1.c (reload): Break out some more pieces into separate
4745 (dump_needs): New function, broken out of reload.
4746 (set_initial_elim_offsets): Likewise.
4747 (init_elim_table): Likewise.
4748 (update_eliminables): Likewise.
4750 * global.c (global_alloc): Delete code to manage the scratch_list.
4751 * local-alloc.c (qty_scratch_rtx): Delete.
4752 (scratch_block): Delete.
4753 (scratch_list): Delete.
4754 (scratch_list_length): Delete.
4755 (scratch_index): Delete.
4756 (alloc_qty_for_scratch): Delete.
4757 (local-alloc): Update initialization of max_qty.
4758 Delete code to manage the scratch list.
4759 Delete code to allocate/initialize qty_scratch_rtx.
4760 (block_alloc): Don't allocate quantities for scratches.
4761 Delete code to manage the scratch list.
4762 * regs.h (scratch_list): Delete declaration.
4763 (scratch_block): Delete declaration.
4764 (scratch_list_length): Delete declaration.
4765 * reload1.c (reload): Delete code to manage the scratch list.
4766 (spill_hard_reg): Likewise.
4767 (mark_scratch_live): Delete.
4769 * recog.c (alter_subreg): Delete declaration.
4771 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
4773 * Makefile.in (cccp.o): Fix typo in last patch.
4775 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4777 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
4778 * config/sh/lib1funcs.asm (___set_fpscr): Add.
4780 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
4782 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
4783 NULL_RTX as an argument.
4785 * Makefile.in (unlibsubdir): Define.
4786 (DRIVER_DEFINES): Use unlibsubdir.
4787 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
4788 (stmp-fixinc): Similarly.
4790 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4792 * regmove.c (regmove_optimize): Add variable old_max_uid.
4793 At the end of the function, update basic_block_end.
4795 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4797 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
4798 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
4801 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
4803 * config/arm/arm.c: Improve interworking support.
4805 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4807 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
4808 copied from reload_out[r] .
4810 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
4812 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
4813 with more than three size ranges.
4815 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
4817 * rtl.c (mode_name): Add a null string at the end of the array.
4818 (mode_wider_mode): Change type to unsigned char.
4819 (mode_mask_array): New variable.
4820 (init_rtl): Update for mode_wider_mode type change.
4822 * rtl.h (mode_wider_mode): Change type to unsigned char.
4823 (mode_mask_array): Declare.
4824 (GET_MODE_MASK): Use mode_mask_array.
4826 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
4828 * calls.c (expand_call) : Encapsulate code into
4829 copy_blkmode_from_reg.
4830 * expr.c (copy_blkmode_from_reg): New function.
4831 * expr.h (copy_blkmode_from_reg): New function.
4832 * integrate.c (function_cannot_inline_p): We can inline
4834 (expand_inline_function): Use copy_blkmode_from_reg
4835 if needed. Avoid creating BLKmode REGs.
4836 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
4839 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
4841 * config/v850/v850.c: Add function prototypes.
4842 Add support for v850 special data areas.
4844 * config/v850/v850.h: Add support for v850 special data areas.
4846 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
4847 HANDLE_PRAGMA_PACK_PUSH_POP.
4848 (push_alignment): New function: Cache an alignment requested
4849 by a #pragma pack(push,<n>).
4850 (pop_alignment): New function: Pop an alignment from the
4852 (insert_pack_attributes): New function: Generate __packed__
4853 and __aligned__ attributes for new decls whilst a #pragma pack
4855 (add_weak): New function: Cache a #pragma weak directive.
4856 (handle_pragma_token): Document calling conventions. Add
4857 support for #pragma pack(push,<n>) and #pragma pack (pop).
4859 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
4860 are defined enable HANDLE_PRAGMA_PACK.
4861 Move 'struct weak_syms' here (from varasm.c).
4862 Add pragma states for push and pop pragmas.
4864 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
4867 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
4868 HANDLE_GENERIC_PRAGMAS.
4870 * varasm.c: Move definition of 'struct weak_syms' into
4872 (handle_pragma_weak): Deleted.
4874 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
4876 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
4878 * c-decl.c (start_function): Add invocation of
4879 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
4881 * tm.texi: Remove description of non-existant macro
4882 SET_DEFAULT_SECTION_NAME.
4884 (HANDLE_SYSV_PRAGMA): Document.
4885 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
4887 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
4889 * config.sub: Recognize i[34567]86-pc-udk as new target.
4890 * configure.in: Likewise.
4891 * config/i386/t-udk: New file.
4892 * config/i386/udk.h: New file.
4894 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
4896 * reorg.c (check_annul_list_true_false): Remove unused variables.
4897 (steal_delay_list_from_target): Add missing "used_annul" variable.
4898 (try_merge_delay_insns): Close out half formed comment.
4900 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4902 * cpplib.c (macroexpand): If arg->raw_before or
4903 arg->raw_after, remove any no-reexpansion escape at the
4904 beginning of the pasted token. Correct handling of whitespace
4905 markers and no-reexpand markers at the end if arg->raw_after.
4907 * toplev.c (documented_lang_options): Recognize -include,
4908 -imacros, -iwithprefix, -iwithprefixbefore.
4909 * cpplib.c (cpp_start_read): Process -imacros and -include
4910 switches at the same time and in command-line order, after
4911 initializing the dependency-output code. Emit properly nested
4912 #line directives for them. Emit a #line for the main file
4913 before processing these switches, and don't do it again
4916 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
4918 * function.c (purge_addressof_1): Use bitfield manipulation
4919 routines to handle mem mode < reg mode.
4921 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4923 * reorg.c (try_merge_delay_insns): Account for resources referenced
4924 in each instruction in INSN's delay list before trying to eliminate
4925 useless instructions. Similarly when looking at a trial insn's delay
4928 * reorg.c (check_annul_list_true_false): New function.
4929 (steal_delay_list_from_{target,fallthrough}): Call it and also
4930 refine tests for when we may annul if already filled a slot.
4931 (fill_slots_from_thread): Likewise.
4932 (delete_from_delay_slot): Return newly-created thread.
4933 (try_merge_delay_isns): Use its new return value.
4935 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
4937 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
4938 used to compute a giv or as some other non-counting use.
4940 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4942 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
4943 * local-alloc.c (find_free_reg): Use it.
4944 * global.c (find_reg): Likewise.
4945 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
4947 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
4948 * caller-save.c (init_caller_save): Use it.
4949 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
4951 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4953 * configure.in: Add --enable-cpplib option which uses cpplib
4954 for cpp, but doesn't link cpplib into cc1. Make help text
4955 capitalization consistent.
4956 * configure: Rebuilt.
4958 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
4960 * function.c (gen_mem_addressof): If the address REG is
4961 REG_USERVAR_P make the new REG be so also.
4962 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
4963 in an attempt to clarify slightly.
4965 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
4967 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
4968 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
4970 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
4972 * toplev.c: Fix last patch.
4974 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
4976 * loop.c (get_condition): Fix typo in May 9 change.
4978 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
4980 * invoke.texi (-fexceptions): Merge 2 different descriptions.
4982 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4984 * toplev.c (documented_lang_options): Spelling corrections.
4986 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4988 * configure.in: new flags --with-ld and --with-as, equivalent
4989 to setting LD and AS environment variables. Test whether
4990 specified arguments are GNU commands, and report them with
4991 checking messages. Use the specified AS for configure
4994 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
4996 * gcc.c (find_a_file): when looking for `as' and `ld', return
4997 the DEFAULT program if it exists
4998 * collect2.c (main): use DEFAULT_LINKER if it exists
5000 * gcc.c (find_a_file): the test for existence of a full
5001 pathname was reversed
5003 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
5005 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
5006 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
5008 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
5010 * tree.h (TYPE_BINFO): Document.
5012 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
5014 * i386-coff.h (dbxcoff.h): Added.
5016 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
5018 * toplev.c: fix bad patch around flag_data_sections.
5020 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
5022 * reload1.c (reload): Use reload_address_index_reg_class and
5023 reload_address_base_reg_class when setting
5024 caller_save_spill_class. (Patch generated by Jim Wilson:
5027 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
5029 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
5030 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
5031 * expr.c (store_field): Add alias_set parameter. Set the
5032 MEM_ALIAS_SET accordingly, if the target is a MEM.
5033 (expand_assignment): Use it.
5034 (store_constructor_field): Pass 0.
5035 (expand_expr): Likewise.
5037 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
5039 * flags.h: Add flag_data_sections.
5040 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
5041 (compile_file): Error if flag_data_sections not supported.
5042 * varasm.c (assemble_variable): Handle flag_data_sections.
5043 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
5044 * config/mips/elf.h: Likewise.
5045 * config/mips/elf64.h: Likewise.
5046 * invoke.texi: Describe -fdata-sections.
5048 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
5050 * invoke.texi (-ffloat-store): Clarify that this option
5051 does not affect intermediate results -- only variables.
5053 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
5055 * cpp.texi: Update for Fortran usage from Craig.
5057 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5059 * rs6000.c (function_arg_boundary): Revert accidental change on
5062 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
5064 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
5065 (output_mi_thunk): Declare.
5067 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
5068 (output_function_profiler): Use r12 for temp, instead of r11 so
5069 that we preserve the static chain register.
5071 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
5073 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
5075 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5077 * sh.c (gen_shl_sext): Fix case 5.
5079 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5081 * reload1.c (reload_combine): Re-add line that got accidentally lost.
5083 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5085 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
5086 accessing variables until they are initialized via va_arg().
5088 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5090 * reload1.c (reload_combine): Initialize set before using.
5092 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
5094 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
5097 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
5099 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
5100 operand3 with mask before using it. Patch provided by Jim Wilson.
5102 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5104 * config/sparc/sparc.c (function_value): Perform the equivalent of
5105 PROMOTE_MODE for ARCH64.
5106 (eligible_for_epilogue_delay): Allow DImode operations in delay
5107 slot of a return for ARCH64.
5109 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5111 * sh.md (sqrtsf2): Fix mode of sqrt.
5113 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5115 * reload1.c (choose_reload_regs): Also try inheritance when
5116 reload_in is a stack slot of a pseudo, even if we already got a
5119 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5121 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
5122 (reload_cse_regs): New function body: call reload_cse_regs_1,
5123 reload_combine, reload_cse_move2add.
5124 When doing expensive_optimizations, call reload_cse_regs_1 a
5125 second time after reload_cse_move2add.
5126 (reload_combine, reload_combine_note_store): New functions.
5127 (reload_combine_note_use): New function.
5128 (reload_cse_move2add, move2add_note_store): New functions.
5130 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5132 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
5133 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
5135 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
5136 more than 3 such reloads.
5138 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
5139 RELOAD_FOR_X_ADDR_ADDR reload.
5141 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5143 * expr.c (store_constructor): When initializing a field that is smaller
5144 than a word, at the start of a word, try to widen it to a full word.
5146 * cse.c (cse_insn): When we are about to change a register,
5147 remove any invalid references to it.
5149 (remove_invalid_subreg_refs): New function.
5150 (mention_regs): Special treatment for SUBREGs.
5151 (insert_regs): Don't strip SUBREG for call to mention_regs.
5152 Check if reg_tick needs to be bumped up before that call.
5153 (lookup_as_function): Try to match known word_mode constants when
5154 looking for a norrower constant.
5155 (canon_hash): Special treatment for SUBREGs.
5157 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5159 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
5160 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
5161 defined, emit libcall to __enable_execute_stack. Also fix opcodes
5162 and offsets in actual stack trampoline code so they match the
5163 commentary and actually work.
5165 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5167 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
5169 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
5170 tmake_file. Set extra_parts to needed crt objects.
5171 * configure: Rebuilt.
5172 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
5173 (TARGET_DEFAULT): Set if default is v9 or ultra.
5174 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
5175 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
5176 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
5177 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
5178 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
5179 (TARGET_VERSION): Define.
5180 (MULTILIB_DEFAULT): Define.
5181 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
5182 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
5183 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
5185 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
5186 * config/sparc/sparc.c (sparc_override_options): If arch and
5187 pointer size disagree, emit diagnostic and fix it up. If
5188 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
5189 V8PLUS in 64-bit mode.
5190 * config/sparc/t-linux64: New file.
5191 * config/sparc/t-sol2-64: New file.
5192 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
5193 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
5194 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
5195 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
5196 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
5197 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
5199 (STARTFILE_SPEC): Set approriately based upon those.
5200 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
5201 disposition of DEFAULT_ARCH32_P.
5202 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
5203 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
5204 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
5205 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
5206 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
5208 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
5210 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
5212 * rtl.h (init_virtual_regs): New function.
5213 * emit-rtl.c (init_virtual_regs): Define.
5214 (insn_emit): Use it.
5215 * integrate.c (save_for_inline_copying): Likewise.
5217 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
5219 * config/arm/thumb.h: The following patches were made by Jim Wilson:
5220 (enum reg_class): Add NONARG_LO_REGS support.
5221 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5222 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
5223 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
5224 completes. Re-enable HImode REG+OFFSET addresses.
5225 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5227 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5229 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5231 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5232 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5233 (alpha_align_insns): Properly calculate initial offset wrt max_align.
5235 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
5237 * arm.c (find_barrier): Revert change of Apr 23. Handle table
5238 jumps as a single entity, taking into account the size of the
5241 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5243 * tree.def (SWITCH_EXPR): New tree node definition.
5245 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
5247 * version.c: Bump for snapshot.
5249 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
5251 * version.c: Bump for snapshot.
5253 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
5255 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
5258 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
5260 * Revert this patch.
5261 * reload.c (find_reloads): Do not replace a pseudo with
5262 (MEM (reg_equiv_addr)) in the initializing insn for the
5265 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
5267 * final.c (final_scan_insn): Disable tracking CC across branches.
5269 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5271 * expr.h (eh_rtime_match_libfunc): New extern declaration.
5272 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
5273 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
5274 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
5275 NULL. Only include <stdio.h> if inhibit_libc is not defined.
5277 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
5279 * toplev.c (rest_of_compilation): Skip compiling anything with
5280 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
5282 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
5284 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
5285 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
5286 use in_libcall_block.
5287 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
5288 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
5291 Mon Sep 21 14:02:23 1998
5293 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
5294 typo in no-fancy-math-387 description.
5296 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
5298 * version.c: Bump for snapshot.
5300 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
5302 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
5304 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
5306 * i386.h: (TARGET_SWITCHES) Add description fields for flags
5307 documented in install.texi.
5308 (TARGET_OPTIONS) Likewise.
5310 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
5312 * version.c: Bump for snapshot.
5314 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
5316 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
5317 * cccp.c (main): Likewise.
5319 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
5320 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
5323 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
5325 * Makefile.in (LIBS): Link in libiberty.a.
5326 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
5328 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
5330 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
5331 it to update bb boundaries. Update caller.
5332 * function.c (reposition_prologue_and_epilogue_notes): Update
5333 bb boundaries wrt the moved note.
5335 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
5337 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
5339 * configure: Regenerate.
5341 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
5343 * alpha.c (alpha_sr_alias_set): New variable.
5344 (override_options): Set it.
5345 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
5346 (mode_mask_operand): Fix signed-unsigned comparision warning.
5347 (alpha_expand_block_move): Likewise.
5348 (print_operand): Likewise.
5349 (get_aligned_mem): Use change_address.
5350 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
5351 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
5352 (alphaev4_next_nop, alphaev5_next_nop): New functions.
5353 (alpha_align_insns): Remade from old alphaev5_align_insns
5354 to handle multiple processors.
5355 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
5356 * output.h (label_to_alignment): Prototype.
5358 * tree.c (new_alias_set): New function.
5359 * tree.h (new_alias_set): Declare it.
5360 * c-common.c (c_get_alias_set): Use it.
5362 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
5364 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
5365 to an ABS expr, convert an unsigned input to signed.
5367 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
5369 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
5371 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5373 * configure.in: Add support for c4x targets.
5374 * configure: Rebuilt.
5376 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
5378 * combine.c (distribute_notes): If an insn is a cc0 user, only
5379 delete it if we can also delete the cc0 setter.
5381 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
5383 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
5384 (invert_truthvalue): Enable truthvalue inversion for
5385 floating-point operands if -ffast-math.
5387 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
5389 * configure.in: Disable collect2 for nextstep. Instead use
5391 * configure: Rebuilt.
5392 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
5393 (ENDFILE_SPEC): Define.
5394 (OBJECT_FORMAT_MACHO): Define.
5395 (EH_FRAME_SECTION_ASM_OP): Define.
5396 * crtstuff.c: Handle MACHO.
5398 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
5400 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
5402 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
5404 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
5405 (_fpadd_parts): Get sign right for 0.
5407 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5409 * ginclude/varargs.h: Add support for C4x target.
5410 * ginclude/stdargs.h: Likewise.
5412 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
5414 * alpha.c (alpha_return_addr): SET should be VOIDmode.
5415 (alpha_emit_set_long_const): Rewrite to be callable from reload
5417 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
5418 * alpha.md (movdi): Likewise.
5420 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
5422 * arm.c (add_constant): New parameter address_only, change caller.
5423 Set it non-zero if taking the address of an item in the pool.
5424 (arm_reorg): Handle cases where we need the address of an item in
5427 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
5429 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
5430 memory addresses that are not in standard canonical form.
5432 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
5434 * README.C4X: New file with information about the c4x ports.
5435 * ginclude/va-c4x.h: New file for c4x varargs support.
5436 * config/c4x: New directory with c4x port files.
5438 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
5440 * reload.c (find_reloads): Do not replace a pseudo with
5441 (MEM (reg_equiv_addr)) in the initializing insn for the
5444 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
5446 * toplev.c (rest_of_compilation): Set bct_p on second call to
5448 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
5450 (strength_reduce): Only call analyze_loop_iterations and
5451 insert_bct if bct_p set.
5452 (check_dbra_loop): Fix typo.
5453 (insert_bct): Use word_mode instead of SImode.
5454 (instrument_loop_bct): Likewise. Do not delete iteration count
5455 condition code generation insn. Initialize iteration count before
5457 * rtl.h (loop_optimize): Update prototype.
5459 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
5460 not doubleword aligned.
5462 * rs6000.c (optimization_options): New function.
5463 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
5464 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
5465 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
5466 first; cr1 can be used for FP record condition insns.
5468 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
5470 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
5473 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
5476 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
5478 (block_move_call): New function: Call a library routine to copy a
5480 (m32r_expand_block_move): New function: Expand a "movstrsi"
5481 pattern into a sequence of insns.
5482 (m32r_output_block_move): New function: Expand a
5483 "movstrsi_internal" pattern into a sequence of assembler opcodes.
5484 (m32r_block_immediate_operand): New function: Return true if the
5485 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
5487 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5489 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
5491 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
5493 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5495 * regmove.c (copy_src_to_dest): Check that modes match.
5497 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
5499 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
5501 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
5503 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
5504 narrower than FLOAT_REGS.
5506 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5508 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
5510 * Makefile.in (old_gxx_include_dir): removed
5512 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
5514 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
5517 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
5518 (sh_handle_pragma): Change function arguments to match new
5519 specification for HANDLE_PRAGMA.
5521 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5523 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
5525 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
5526 When generating output, initialize missing struct member to zero.
5528 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5530 * regmove.c (copy_src_to_dest): Don't copy if that requires
5531 (a) new register(s).
5533 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5535 * global.c (reg_allocno): Now static.
5536 * reload1.c (reg_allocno): Delete declaration.
5537 (order_regs_for_reload): Take no arguments. Don't treat regs
5538 allocated by global differently than those allocated by local-alloc.
5540 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
5542 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
5543 condition, fix format strings.
5544 (output_function_epilogue): Likewise.
5546 * m68k/m68k.c: Don't include <stdlib.h> directly.
5548 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
5550 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
5551 mem_first_set, mem_last_set; because 0 can be a CUID.
5552 (oprs_unchanged_p): Use new definition.
5553 (record_last_reg_set_info): Likewise.
5554 (record_last_mem_set_info): Likewise.
5555 (compute_hash_table): Likewise.
5557 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
5559 * rs6000.c (output_epilogue): Handle Chill.
5561 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5562 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5564 * combine.c (make_extraction): If no mode is specified for
5565 an operand of insv, extv, or extzv, default it to word_mode.
5566 (simplify_comparison): Similarly.
5567 * expmed.c (store_bit_field): Similarly.
5568 (extract_bit_field): Similarly.
5569 * function.c (fixup_var_regs_1): Similarly.
5570 * recog.c (validate_replace_rtx_1): Similarly.
5571 * mips.md (extv, extzv, insv expanders): Default modes for most
5572 operands. Handle TARGET_64BIT.
5573 (movdi_uld, movdi_usd): New patterns.
5575 * pa.c (emit_move_sequence): Do not replace a pseudo with its
5576 equivalent memory location unless we have been provided a scratch
5577 register. Similarly do not call find_replacement unless a
5578 scratch register has been provided.
5580 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5582 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
5585 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
5587 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
5588 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
5589 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
5590 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
5591 * c-decl.c (init_decl_processing): Update accordingly.
5592 * expr.c (expand_builtin): Likewise.
5594 * rtl.h (global_rtl): Add cfa entry.
5595 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
5596 (LAST_VIRTUAL_REGISTER): Update.
5597 * emit-rtl.c (global_rtl): Add cfa entry.
5598 (init_emit): Initialize it.
5599 * function.c (cfa_offset): New.
5600 (instantiate_virtual_regs): Initialize it.
5601 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
5602 (expand_function_end): Call expand_eh_return.
5603 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
5605 * except.c (current_function_eh_stub_label): Kill.
5606 (current_function_eh_old_stub_label): Likwise; update all references.
5607 (expand_builtin_set_return_addr_reg): Kill.
5608 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
5609 (expand_builtin_set_eh_regs): Kill.
5610 (eh_regs): Produce a third reg for the actual handler address.
5611 (eh_return_context, eh_return_stack_adjust): New.
5612 (eh_return_handler, eh_return_stub_label): New.
5613 (init_eh_for_function): Initialize them.
5614 (expand_builtin_eh_return, expand_eh_return): New.
5615 * except.h: Update prototypes.
5616 * flow.c (find_basic_blocks_1): Update references to the stub label.
5617 * function.h (struct function): Kill stub label elements.
5619 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
5620 register number is one that would be in the previous window.
5621 Provide a dummy definition for non-windowed targets.
5622 (get_reg_addr): New function.
5623 (get_reg, put_reg, copy_reg): Use it.
5624 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
5625 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
5627 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
5628 (alpha_init_expanders): Initialize it.
5629 (alpha_expand_epilogue): Use it.
5630 * alpha.h: Declare it.
5631 * alpha.md (eh_epilogue): New.
5633 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
5634 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
5636 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
5638 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
5641 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5643 * except.h (struct eh_entry): Add false_label field.
5644 (end_catch_handler): Add prototype.
5645 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
5646 (start_catch_handler): When using old style exceptions, issue
5647 runtime typematch code before continuing with the handler.
5648 (end_catch_handler): New function, generates label after handler
5649 if needed by older style exceptions.
5650 (expand_start_all_catch): No need to check for new style exceptions.
5651 (output_exception_table_entry): Only output the first handler label
5652 for old style exceptions.
5653 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
5654 mechanism into one function, if a runtime matcher is provided.
5656 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5658 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
5660 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
5662 * integrate.c (copy_decl_list): Fix typo.
5664 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5666 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
5669 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
5671 * version.c: Bump for snapshot.
5673 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
5675 * version.c: Bump for snapshot.
5677 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
5679 * version.c: Bump for snapshot.
5681 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5683 * invoke.texi (C Dialect Options): Put back missing @end itemize.
5685 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5687 * configure.in: remove usage of `!' to negate the result of a
5688 command; some common shells do not support it
5690 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5692 * configure.in: in sparc9-sol2 config, use 'if test' not
5694 * configure: Rebuilt.
5696 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
5698 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
5699 (CPP_CPU_DEFAULT_SPEC): Likewise.
5700 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
5701 for arch64 libfuncs.
5703 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
5706 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5708 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
5710 * collect2.c: Don't declare `sys_siglist' here.
5711 (my_strsignal): Prototype and define new function. Use it in
5712 place of `sys_siglist' hacks.
5714 * mips_tfile.c: Likewise.
5716 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
5717 (GCC_NEED_DECLARATIONS): Likewise.
5719 * system.h (strsignal): Prototype it, if necessary.
5720 (sys_siglist): Declare it, if necessary.
5722 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5724 * loop.c (move_movables): While removing insn sequences, preserve
5725 the next pointer of the most recently deleted insn when we skip
5728 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
5730 * objc/config-lang.in: Do not output the name of the selected
5731 thread file when building the front-end. The Makefile for the
5732 runtime library will do this.
5734 * objc/Make-lang.in: Do not build the runtime library or install
5735 the Objective C header files. The Makefile for the runtime
5736 library will do this.
5738 * objc/Makefile.in (all.indirect): Only build the front-end.
5739 (compiler): Rename to `frontend'.
5740 (obj-runtime): Remove target.
5741 (copy-headers): Likewise.
5742 (clean): No need to remove `libobjc.a' any longer.
5744 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
5746 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
5747 supported with -mcpu=xxx.
5749 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5751 * flow.c (mark_set_1): Recognize multi-register structure return
5752 values in CALL insns.
5753 (mark_used_regs): Likewise.
5754 (count_reg_sets_1): Likewise.
5755 (count_reg_references): Likewise.
5756 * rtlanal.c (note_stores): Likewise.
5757 (reg_overlap_mentioned_p): Likewise.
5758 * haifa-sched.c (check_live_1): Likewise.
5759 (update_live_1): Likewise.
5760 (sched_analyze_1): Likewise.
5761 (sched_note_set): Likewise.
5762 (birthing_insn_p): Likewise.
5763 (attach_deaths): Likewise.
5765 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
5768 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
5770 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
5772 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5774 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
5776 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5778 * configure.in: Add check for GAS subsection -1 support.
5779 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
5780 * configure config.in: Rebuilt.
5781 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
5782 SImode is subsection -1 works, else use DImode.
5783 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
5784 subsection -1 works.
5785 * config/sparc/sparc.c (sparc_output_addr_vec,
5786 sparc_output_addr_diff_vec): Use them if defined.
5788 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
5790 * tree.h (DECL_ORIGIN): New macro.
5791 * integrate.c (copy_and_set_decl_abstract_origin): New function.
5792 (copy_decl_list): Use it.
5793 (integrate_parm_decls): Likewise.
5794 (integrate_decl_tree): Likewise.
5795 * dwarf2out.c (decl_ultimate_origin): Simplify.
5796 * dwarfout.c (decl_ultimate_origin): Likewise.
5797 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
5798 (pushdecl): Likewise.
5800 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
5802 * config/rs6000/rs6000.c (output_epilog): Add Java support.
5804 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
5806 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
5808 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
5810 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
5811 empty or has a single entry.
5813 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
5814 before calling reg_to_stack.
5816 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
5818 * alpha.c (alphaev5_insn_pipe): Abort on default case.
5819 (alphaev5_next_group): Swallow CLOBBERs and USEs.
5821 * c-tree.h (warn_long_long): Declare it.
5823 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
5825 * emit-rtl.c (gen_lowpart_common): Disable optimization of
5826 initialized float-int union if the value is a NaN.
5828 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
5830 * c-lex.c (real_yylex): Don't warn about long long constants if
5831 we're allowing long long
5833 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5835 * except.h (current_function_eh_stub_label): Declare.
5836 (current_function_eh_old_stub_label): Declare.
5837 * function.h (struct function): New members eh_stub_label and
5839 * except.c (current_function_eh_stub_label): New variable.
5840 (current_function_eh_old_stub_label): New variable.
5841 (init_eh_for_function): Clear them.
5842 (save_eh_status): Save them.
5843 (restore_eh_status): Restore them.
5844 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
5845 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
5846 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
5847 make an edge from the block that contains it to the block starting
5848 with the label if this label is one of the eh stub labels.
5849 If eh stub labels exist, show they are reachable from the last block
5852 * reload1.c (reload): Break out several subroutines and make some
5854 (calculate_needs_all_insns): New function, broken out of reload.
5855 (calculate_needs): Likewise.
5856 (find_reload_regs): Likewise.
5857 (find_group): Likewise.
5858 (find_tworeg_group): Likewise.
5859 (something_needs_reloads): New global variable, formerly in reload.
5860 (something_needs_elimination): Likewise.
5861 (caller_save_spill_class): Likewise.
5862 (caller_save_group_size): Likewise.
5863 (max_needs): Likewise.
5864 (group_size): Likewise.
5865 (max_groups): Likewise.
5866 (max_nongroups): Likewise.
5867 (group_mode): Likewise.
5868 (max_needs_insn): Likewise.
5869 (max_groups_insn): Likewise.
5870 (max_nongroups_insn): Likewise.
5871 (failure): Likewise.
5873 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
5875 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
5877 * loop.c (load_mems): Copy rtx for output mem.
5879 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
5881 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
5882 mips1 or mips2 either.
5884 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
5886 * pa.c (pa_reorg): New marking scheme for jumps inside switch
5888 (pa_adjust_insn_length): Update to work with new marking scheme
5889 for jumps inside switch tables.
5890 * pa.md (switch_jump): Remove pattern.
5891 (jump): Handle jumps inside jump tables.
5893 * Makefile.in (profile.o): Depend on insn-config.h
5895 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
5897 * iris6.h (DWARF2_UNWIND_INFO): Undef.
5899 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5901 Add preliminary native sparcv9 Solaris support.
5902 * configure.in: Recognize sparv9-*-solaris2*
5903 * configure: rebuilt
5904 * config.sub: Recognize sparcv9 just like sparc64.
5905 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
5906 config/sparc/sol2-cn.asm: Macroize so it can be shared between
5907 32-bit and 64-bit Solaris systems.
5908 * config/sparc/t-sol2: Assemble those with cpp.
5909 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
5910 (*TF*_LIBCALL): If ARCH64 use V9 names.
5911 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
5913 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5915 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
5916 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
5918 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
5920 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
5921 to Pmode if CASE_VECTOR_MODE is something else.
5923 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
5925 * prefix.c (update_path): Correctly handle cases where PATH is
5926 a substring of the builtin prefix, but specifies a different
5929 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
5931 * expr.c: Corrected comment about what MOVE_RATIO does.
5932 * config/alpha/alpha.h: Ditto.
5933 * config/1750a/1750a.h: Ditto.
5934 * config/clipper/clipper.h: Ditto.
5935 * config/i386/i386.h: Ditto.
5937 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
5939 * configure.in (m68k-next-nextstep3*): Use collect2.
5940 Similarly for x86 NeXT configurations.
5941 * configure: Rebuilt.
5943 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
5945 * configure.in: Don't assume srcdir is .../gcc
5946 * configure: Rebuilt.
5948 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
5950 * global.c: Update comments.
5951 (global_alloc): Assign allocation-numbers
5952 even for registers allocated by local_alloc in case
5953 they are later spilled and retry_global_alloc is called.
5954 (mark_reg_store, mark_reg_clobber,
5955 mark_reg_conflicts, mark_reg_death): Always record a
5956 conflict with a pseudo register even if it has been
5957 assigned to a hard register.
5958 (dump_conflicts): Don't list pseudo registers already assigned to
5959 a hard register as needing to be allocated, but do list their
5961 * local-alloc.c: Update comment.
5963 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
5965 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
5966 * configure: Rebuilt.
5968 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
5970 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
5972 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
5973 for all targets that set -msoft-float.
5975 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5977 * toplev.c (print_switch_values): Make static to match prototype.
5979 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
5981 * configure.in: If we are unable to find the "gnatbind" program,
5982 then do not configure the ada subdir.
5983 * configure: Rebuilt.
5985 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
5987 * version.c: Bump for snapshot.
5989 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
5991 * version.c: Bump for snapshot.
5993 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5995 * Makefile.in (toplev.o): Depend on $(EXPR_H).
5996 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
5998 * gansidecl.h: Define ATTRIBUTE_NORETURN.
6000 * genattrtab.c: Have insn-attrtab.c include toplev.h.
6002 * genextract.c: Have insn-extract.c include toplev.h.
6004 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
6006 * toplev.c: Include expr.h.
6007 (really_sorry, fancy_abort): Remove prototypes.
6008 (set_target_switch): Add argument in prototype.
6009 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
6010 (v_really_sorry): Likewise.
6011 (print_version, print_single_switch, print_switch_values): Make
6012 static and add prototype arguments.
6013 (decl_printable_name): Add prototype arguments.
6014 (lang_expand_expr_t): New typedef.
6015 (lang_expand_expr): Declare as a lang_expand_expr_t.
6016 (incomplete_decl_finalize_hook): Add prototype argument.
6017 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
6018 (botch): Likewise for variable `s'.
6019 (rest_of_type_compilation): Mark variables `type' and `toplev'
6020 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
6021 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
6022 (display_help): Make variable `i' an `unsigned long'.
6023 (main): Remove unused parameter `envp'.
6024 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
6025 Cast -1 when comparing it with a `size_t'.
6027 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
6028 prototype with ATTRIBUTE_NORETURN.
6029 (fatal_insn_not_found, fatal_insn, really_sorry,
6030 push_float_handler, pop_float_handler): Add prototypes.
6031 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
6032 (do_abort, botch): Add prototypes.
6034 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
6036 * final.c (final): If a label is reached only from a single jump,
6037 call NOTICE_UPDATE_CC on the jump and its predecessor before
6038 emitting the insn after the label.
6040 * i386.h: Add AMD K6 support.
6041 Change TARGET_* macros to use table lookup.
6042 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
6043 (ADJUST_COST): Change definition to call function in i386.c.
6044 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
6045 * i386.c: Add AMD K6 support.
6046 Add constants for feature tests used by TARGET_* macros.
6047 (split_di): If before reload, call gen_lowpart and gen_highpart.
6048 (x86_adjust_cost): New function.
6049 (put_jump_code): New function.
6050 (print_operand): New codes 'D' and 'd'.
6051 * i386.md: New insn types. New insn attribute "memory".
6052 Redefine scheduling parameters to use new types and add AMD K6
6053 support. Explicitly set type of most insns.
6054 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
6055 Pro and K6 prefer movl $1,reg to incl reg.
6056 (adddi3, subdi3): Set cc_status.
6057 (DImode shift patterns): Change label counters from HOST_WIDE_INT
6058 to int; x86 can't have more than 2^31 DImode shifts per file.
6059 (setcc): Combine all setcc patterns. Allow writing memory.
6060 Combine all jump patterns using match_operator.
6061 (*bzero): Name pattern. Emit mutliple stos instructions when that
6062 is faster than rep stos.
6063 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
6066 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
6068 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
6071 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
6073 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
6074 not whatever we're generating now.
6076 * alpha.c (set_frame_related_p, FRP): New.
6077 (alpha_expand_prologue): Mark frame related insns.
6078 (alpha_expand_epilogue): Likewise, but with a null FRP.
6079 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
6080 * alpha.md (exception_receiver): New.
6081 * alpha/crtbegin.asm (.eh_frame): New beginning.
6082 (__do_frame_setup, __do_frame_takedown): New.
6083 * alpha/crtend.asm (.eh_frame): New ending.
6084 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
6085 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
6086 (ASM_FILE_START): Don't emit .file for dwarf2.
6088 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
6089 * rtl.c (reg_note_name): Likewise.
6090 * rtl.texi (REG_NOTES): Likewise.
6091 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
6094 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
6096 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
6097 * i386.md (movsf, movdf, movxf): Validate memory address returned
6098 from force_const_mem. Kill useless REG_EQUAL setting code.
6100 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
6102 * m68k.md (zero_extendsidi2): Fix typo.
6104 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
6106 * configure.in: Removed references to the removed file
6107 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
6108 * arm*-*-netbsd* and ns32k-*-netbsd*.
6109 * config/i386/xm-netbsd.h: Removed unnecessary file.
6110 * config/m68k/xm-netbsd.h: Likewise.
6111 * config/sparc/xm-netbsd.h: Likewise.
6112 * config/mips/xm-netbsd.h: Likewise.
6114 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
6116 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
6117 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
6119 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
6120 for exact section attributions.
6122 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
6124 * i386/crtdll.h (CPP_PREDEFINES): Define.
6126 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
6128 * m68k.md (5200 movqi): Do not allow byte sized memory references
6130 * m68k.c (output_move_qimode): Do not use byte sized operations on
6133 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
6134 explicit rules for building. Similarly for alloca, vfprintf,
6135 choose-temp and mkstemp, getopt, getopt1, and obstack.
6136 (INCLUDES): Add $(srcdir)/../include.
6137 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
6138 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
6140 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
6142 * gcc.c (do_spec_1): [case 'o'] Account for
6143 lang_specific_extra_outfiles.
6144 (main): Correctly clear all slots in outfiles for
6145 lang_specific_extra_outfiles. Set input_file_number before
6146 calling lang_specific_pre_link.
6148 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
6150 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
6152 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6154 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
6156 (sparc_output_deferred_case_vectors): If no work to do, return.
6157 Fix thinko in Sept 1 change.
6159 1998-09-03 SL Baur <steve@altair.xemacs.org>
6161 * Makefile.in: add semicolon in BISON definition for portability.
6163 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6165 * config/nextstep.c (handle_pragma): Correct name of third
6168 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
6170 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
6171 * config/m32r/m32r.h: Make register 17 be fixed.
6172 * config/m32r/m32r.c: Use SImode for cc operations.
6174 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
6176 * invoke.texi (Warning Options): Add -Wnon-template-friend
6179 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
6181 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
6183 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
6185 * rs6000.md (movsf): Disable explicit secondary-reload-like
6186 functionality if TARGET_POWERPC64.
6187 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
6190 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
6192 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
6193 and term.h from fixinc.wrap.
6195 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6197 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
6198 safe to include both string.h and strings.h together.
6199 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
6200 which headers to search for function declarations. Continue to
6201 prefer string.h over strings.h when both are not acceptable.
6203 * acconfig.h (STRING_WITH_STRINGS): Add stub.
6205 * configure.in: Call GCC_HEADER_STRING.
6207 * system.h: Test STRING_WITH_STRINGS when deciding which headers
6208 to include. Continue to prefer string.h over strings.h when both
6211 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6213 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
6214 not assume top 32-bits of symbolic addresses are zero if
6217 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
6219 * ginclude/va-alpha.h: Protect entire second portion of the
6220 file against double inclusion.
6222 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
6224 Added support for the Boehm's garbage collector.
6225 * configure.in: Handle --enable-objc-gc.
6226 * configure: Rebuilt.
6227 * Makefile.in (CHECK_TARGETS): Add check-objc.
6228 (check-objc): New rule.
6229 * objc/Make-lang.in: Build a different Objective-C library that
6230 runs with the Boehm's collector.
6231 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6232 * objc/encoding.c: Correctly compute the size of compound types in
6233 the presence of bitfields. Skip the variable name of the type if
6234 any. Added support for long long.
6235 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
6236 (_F_GCINVISIBLE): New mask.
6237 * objc/gc.c: New file. Compute the type memory mask associated with
6238 a class based on the runtime information.
6239 * objc/misc.c: Added the hooks that use the Boehm's collector
6240 allocation functions.
6241 * objc/objc-act.c (build_class_template): Generate a new class
6242 member (gc_object_type) to hold the class' type memory mask.
6243 (build_shared_structure_initializer): Initialize the new member to
6245 (encode_complete_bitfield): New function. Generate the new
6247 (encode_field_decl): Generate the new encoding only for the GNU
6249 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
6251 (class_get_gc_object_type): New function to mark a pointer instance
6252 variable as a weak pointer.
6253 * objc/objc-features.texi: New file.
6254 * objc/objc.h (gc_object_type): New class member.
6255 * objc/objects.c (class_create_instance): Create a typed memory
6256 object when compiled with Boehm's collector support.
6257 * objc/sendmsg.c (__objc_init_install_dtable): Call
6258 __objc_send_initialize instead of setting the initialize flag.
6259 (__objc_send_initialize): Call __objc_generate_gc_type_description
6260 to generate the class type memory mask. Rewrite the code that
6261 sends the +initialize so that it is called only once (bug report
6262 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
6263 * testsuite/objc: New testsuite for Objective-C type encoding.
6264 * testsuite/lib/objc-torture.exp: New file.
6265 * testsuite/lib/objc.exp: New file.
6267 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
6269 * jump.c (jump_optimize): In if/then/else transformations, add
6270 another call to modified_between_p for the jump insn.
6272 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
6274 * fix-header.c (symlink): Treat like readlink.
6276 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6278 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
6281 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
6283 * config/nextstep.h: Update HANDLE_PRAGMA macro.
6284 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
6285 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
6287 * config/nextstep.c (handle_pragma): Take three arguments, as per
6288 the new HANDLE_PRAGMA macro specification.
6289 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
6290 per the new HANDLE_PRAGMA macro specification.
6291 * config/i960/i960.c (process_pragma): Take three arguments, as
6292 per the new HANDLE_PRAGMA macro specification.
6294 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
6296 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
6297 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
6298 if unknown pragmas are encountered.
6299 (handle_sysv_pragma): Interpret return code from
6300 handle_pragma_token (). Return success/failure indication rather
6301 than next unprocessed character.
6302 (pragma_getc): New function: retrieves characters from the
6303 input stream. Defined when HANDLE_PRAGMA is enabled.
6304 (pragma_ungetc): New function: replaces characters back into the
6305 input stream. Defined when HANDLE_PRAGMA is enabled.
6307 * c-pragma.c (handle_pragma_token): Return success/failure status
6310 * c-pragma.h: Change prototype of handle_pragma_token().
6312 * varasm.c: (handle_pragma_weak): Only create this function if
6313 HANDLE_PRAGMA_WEAK is defined.
6315 * c-common,c (decl_attributes): If defined call the expression
6316 contained within the INSERT_ATTRIBUTES macro before adding
6317 attributes to a decl.
6319 * tm.texi (HANDLE_PRAGMA): Document the new verion of
6320 HANDLE_PRAGMA, which takes three arguments.
6321 (INSERT_ATTRIBUTES): Document this new macro.
6323 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
6324 new INSERT_ATTRIBUTES macro.
6326 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6328 * config/sparc/sparc.md (movdf): Only generate special RTL for
6329 LABEL_REFs when PIC.
6330 (move_label_di): Remove
6331 (movdi_pic_label_ref, movdi_high_pic_label_ref,
6332 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
6333 references when PIC.
6334 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
6335 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
6336 output an .xword for all 64-bit cases.
6338 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6340 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
6341 alignment, use FUNCTION_BOUNDARY instead.
6342 (sparc_output_deferred_case_vectors): Likewise.
6344 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6346 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
6347 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
6349 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
6351 * alpha/va_list.h: New file.
6352 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
6354 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
6356 * NEWS: Add SCO Openserver and Unixware 7 notes.
6360 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
6362 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
6363 (record_constant_1): Handle RANGE_EXPR.
6365 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
6367 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
6368 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
6369 and NOTE_INSN_RANGE_END specially.
6370 (reemit_notes): Likewise.
6372 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6374 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
6375 (ultrasparc_sched_init): Remove unneeded &.
6377 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6379 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
6380 for m68020-60, to prevent the use of fintrz.
6382 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
6384 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
6386 * Makefile.in: Likewise.
6387 * configure: Regenerated.
6389 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
6391 * configure.in (gxx_include_dir): Changed to
6392 '${prefix}/include/g++'-${libstdcxx_interface}.
6393 * configure: Rebuilt.
6395 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
6397 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
6399 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
6400 *sequences* *below* which scalar moves will be used.
6402 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
6404 * collect2.c (mktemp): Delete unused declaration.
6406 * config/xm-netbsd.h: Remove unnecessary file.
6407 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
6408 file anymore, it is not needed.
6410 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
6412 * convert.c (convert_to_integer): Issue an error on conversions to
6415 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
6417 * Makefile.in: Add lang_tree_files and gencheck.h.
6418 * configure.in: Generate them.
6419 * gencheck.c: Include gencheck.h.
6421 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6423 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
6424 movdi_lo_sum_pic and movdi_high_pic and make visible.
6425 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
6426 emit these when Pmode is not SImode.
6427 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
6429 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
6431 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
6432 .linkonce directive after the first time.
6434 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
6436 * m68k.md (beq0_di): Generate correct (and more efficient) code when
6437 the clobbered operand overlaps with an input.
6438 (bne0_di): Similarly.
6440 * Makefile.in (INSTALL): Remove "--no-header" argument.
6442 * NEWS: Various updates.
6444 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6446 * config/sparc/sparc.c (arith_operand, const64_operand,
6447 const64_high_operand, arith_double_4096_operand): Mark mode as
6449 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
6451 (sparc_emit_set_const64): Remove unused variable i.
6452 (sparc_splitdi_legitimate): Likewise for addr_part.
6453 (ultra_code_from_mask): Likewise for mask.
6454 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
6455 reverse return values so it matches usage and comments.
6456 (ultra_flush_pipeline): Likewise.
6457 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
6458 this_type, and allow loads and stores of differing FP modes as
6459 they do not create a conflict.
6460 (ultra_find_type): Initialize fpmode to SFmode, fix
6461 parenthesization thinkos in large conditional.
6462 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
6463 Init free_slot_mask after ultra_cur_hist is reset, not before.
6464 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
6465 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
6466 use ultra_flush_pipeline instead, then re-init group pointer.
6467 Fix statement with no effect. If no progress made in, and no
6468 instructions scheduled at all, advance to new pipeline cycle else
6469 we get into an endless loop.
6470 (ultrasparc_adjust_cost): Remove previous arg.
6471 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
6473 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
6475 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
6476 code. Use reg_overlap_mentioned_p to detect when source and
6477 destination overlap.
6478 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
6480 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
6482 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
6483 COMPARISON_VAL, into invariant_p.
6485 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6487 * regmove.c (regclass_compatible_p): New function.
6488 (regmove_optimize): Use it.
6490 Use NREGS parameter insted of calling max_reg_num.
6492 (fixup_match_1): Don't use code = MINUS when later tieing with
6493 a hard register is likely.
6495 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6497 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
6498 COMPARISON_VAL was normalized.
6500 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
6502 * loop.c (check_dbra_loop): The loop ending comparison value
6503 must be an invariant or we can not reverse the loop.
6505 * loop.c (scan_loop): Count down from max_reg_num - 1 to
6506 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
6508 (load_mems_and_recount_loop_regs_set): Likewise.
6510 * i386.c (print_operand): Remove obsolete 'c' docs.
6512 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
6514 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
6515 * frame.c (init_object_mutex): New function.
6516 (init_object_mutex_once): Likewise.
6517 (find_fde): Call it.
6518 (__register_frame_info): Likewise.
6519 (__register_frame_info_table): Likewise.
6520 (__deregister_frame_info): Likewise.
6522 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
6524 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
6526 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6528 * loop.c (check_dbra_loop): Enable code for reversal
6529 of some loops without a known constant loop end.
6531 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
6533 * haifa-sched.c (last_clock_var): New.
6534 (schedule_block): Initialize it.
6535 (schedule_insn): Use it to fill insn modes with issue information.
6537 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
6538 Tag trapb and next insn with TImode.
6539 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
6540 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
6541 Invoke alphaev5_align_insns as appropriate.
6542 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
6543 (MD_SCHED_VARIABLE_ISSUE): New.
6544 * alpha.md (attr type): Add multi.
6545 (define_asm_attributes): New.
6546 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
6547 (arg_home): Likewise.
6548 (fnop, unop, realign): New.
6550 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
6552 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
6553 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
6555 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
6556 (rs6000-ibm-aix4.[12]*): Likewise.
6557 * configure: Regnerate.
6559 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
6561 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
6562 already contains the return address.
6564 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
6566 * calls.c (expand_call): Use bitfield instructions to extract/deposit
6567 word sized hunks when loading unaligned args into registers.
6569 * haifa-sched.c (sched_analyze_insn): Only create scheduling
6570 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
6572 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
6574 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6576 * loop.c (check_dbra_loop): Add some code that would allow reversal
6577 of some loops without a known constant loop end if it were enabled.
6579 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
6581 * mips.md (lshrsi3_internal2+2): Fix type-o.
6583 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6585 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
6586 correctly with regards to stdio.h.
6588 * calls.c: Remove stdarg.h/varargs.h.
6591 * combine.c: Likewise.
6592 * cpperror.c: Likewise.
6593 * cpplib.c: Likewise.
6594 * cpplib.h: Likewise.
6595 * doprint.c: Likewise.
6596 * emit-rtl.c: Likewise.
6597 * final.c: Likewise.
6598 * fix-header.c: Likewise.
6600 * genattr.c: Likewise.
6601 * genattrtab.c: Likewise.
6602 * gencodes.c: Likewise.
6603 * genconfig.c: Likewise.
6604 * genemit.c: Likewise.
6605 * genextract.c: Likewise.
6606 * genflags.c: Likewise.
6607 * genopinit.c: Likewise.
6608 * genoutput.c: Likewise.
6609 * genpeep.c: Likewise.
6610 * genrecog.c: Likewise.
6611 * mips-tfile.c: Likewise.
6612 * prefix.c: Likewise.
6613 * protoize.c: Likewise.
6614 * regmove.c: Likewise.
6615 * toplev.c: Likewise.
6618 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6620 * config/sparc/sparc.c (sparc_override_options): If not
6621 TARGET_FPU, turn off TARGET_VIS.
6622 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
6623 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
6624 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
6625 (movdi_insn_sp64): Add VIS fzero alternative.
6626 (clear_sf, clear_df): New VIS patterns.
6627 (movsf, movdf expanders): Allow fp_zero_operand flat out when
6629 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
6631 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
6633 * loop.c (n_times_set, n_times_used, may_not_optimize,
6634 reg_single_usage): Convert to varrays. All uses changed.
6635 (insert_loop_mem): Return a value.
6636 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
6637 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
6640 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
6643 * configure.in: Do not set thread_file to "irix" since no such
6646 * sparc.md (float abs/neg splits): Check reload_completed before
6647 calling alter_subreg.
6649 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6651 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
6653 * config/sparc/sparc.h: Declare it.
6654 * config/sparc/sparc.md (float abs/neg splits): Use it.
6655 (all other splits): Handle SUBREGs properly where necessary.
6656 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
6658 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
6660 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
6661 an insn on the unfilled_slots_list that has no delay slots.
6662 (fill_eager_delay_slots): Similarly.
6664 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
6666 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
6667 as an ordinary operand.
6669 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
6671 * tree.c (valid_machine_attribute): Don't apply attributes to both
6674 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
6676 * reload.c (operands_match_p): Handle rtvecs.
6678 * i386.c (legitimate_pic_address_disp_p): New.
6679 (legitimate_address_p): Use it.
6680 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
6681 Handle constant pool symbols just like statics.
6682 (emit_pic_move): Use Pmode not SImode for clarity.
6683 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
6684 [UNSPEC]: New, handling what we killed above.
6685 [PLUS]: Detect and abort on invalid symbol arithmetic.
6686 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
6688 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
6690 * alias.c: Include output.h.
6691 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
6692 different if we're in a varargs function.
6693 * Makefile.in (alias.o): Depend on output.h
6695 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6697 * sh.h (GIV_SORT_CRITERION): Delete.
6699 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
6701 * regclass.c (regclass): Use xmalloc/free instead of alloca.
6702 * stupid.c (stupid_life_analysis): Ditto.
6703 * reload1.c (reload): Ditto.
6705 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6707 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
6708 arith_double_4096_operand, arith_double_add_operand): New
6710 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
6711 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
6712 them to transform add/sub 4096 into add/sub -4096.
6714 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6716 * loop.c (scan_loop): Allocate some slop to handle pseudos
6717 generated by move_movables.
6718 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
6721 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
6723 * tree.def (DECL_RESULT): Correct documentation.
6725 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6727 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
6728 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
6729 conflicts will all RELOAD_FOR_OUTPUT reloads.
6731 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
6732 loads the function result, substitute with a USE.
6734 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6736 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
6737 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
6738 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
6739 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
6740 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
6741 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
6743 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
6744 'o' to 'm' for GPR variant constraints.
6746 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
6748 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
6750 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
6752 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
6753 when the source and destination overlap.
6755 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
6756 clash with global type.
6758 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
6760 * fixinc.irix: Add curses.h handling from fixinc.wrap.
6762 * c-common.c (combine_strings): Also set TREE_READONLY.
6763 Change warn_write_strings to flag_const_strings.
6764 * c-decl.c, c-tree.h: Likewise.
6766 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6768 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
6769 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
6770 sequence, use SET/IOR instead so CSE can see it.
6771 * config/sparc/sparc.md (movhi_const64_special,
6772 movsi_const64_special): New patterns necessitated by that change.
6773 (movhi_high): Remove.
6774 (movhi_lo_sum): Change to match an IOR.
6775 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
6776 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
6777 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
6778 (movdf splits): Allow when not V9 or when not ARCH64 and integer
6779 registers are involved.
6780 (snesi_zero_extend split): Remove reload_completed test.
6781 (unnamed plus and minus zero_extend sidi splits): Add it.
6783 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
6785 * extend.texi: Remove description of extension to explicit
6786 instantiation that is now endorsed by standard C++.
6788 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6790 * config/arc/arc.c (arc_initialize_pic): Remove.
6791 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
6792 nothing on any platform and is invoked by no-one, it does not even
6793 appear in the documentation.
6794 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
6795 * config/sparc/sparc.c (initialize_pic): Likewise.
6796 (find_addr_reg): Remove this as well, no longer referenced after
6799 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
6801 * recog.c (validate_replace_rtx_group): New function.
6802 * recog.h (validate_replace_rtx_group): Declare it.
6803 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
6804 the entire group of substitutions.
6806 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
6808 * loop.c (load_mems): Fix initializers.
6810 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6812 * config/sparc/sparc.md (TFmode splits): Handle destination
6813 registers being referenced in the address correctly.
6815 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
6816 TREE_UNSIGNED, when bitsize of type's mode is larger than
6817 HOST_BITS_PER_WIDE_INT.
6819 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6821 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
6822 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
6823 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
6825 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
6828 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
6830 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
6831 * h8300.h (TINY_DATA_NAME_P): Likewise.
6832 (STRIP_NAME_ENCODING): Handle '&'.
6834 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
6835 register (it could be accessed via an outer SUBREG).
6836 (REG_OK_FOR_BASE_P): Likewwise.
6837 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
6839 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
6842 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
6844 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6846 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
6847 must be offsettable so the splits can be made.
6849 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
6851 * config/i386/winnt.c: Include system.h, not stdio.h to get
6852 sys/param.h pulled in before rtl.h in case the system defines MIN
6855 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
6857 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
6859 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
6861 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
6863 * cpplib.c (cpp_define): Handle macros with parameters.
6865 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6867 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
6868 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
6869 and DImode 64-bit. Use llong for minimal-toc SFmode and
6870 SYMBOL_REF / LABEL_REF 64-bit.
6871 (output_function_profiler): Use llong for profiler label and ld to
6872 load 64-bit label address.
6874 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
6876 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
6879 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
6881 * version.c: Bump for snapshot.
6883 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
6885 * version.c: Bump for snapshot.
6887 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
6889 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
6891 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
6893 * tm.texi (Misc): Fix typo "teh".
6895 * tm.texi (PIC): Fix typo "PPIC".
6897 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
6898 effect when -O2 and higher.
6899 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
6901 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
6903 * regclass.c: Changed register set documentation to be consistent
6906 * final.c (final_start_function) Removed redundant test for
6909 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
6911 * rtl.h (rtx_function): New type.
6912 (for_each_rtx): New function.
6913 * rtlanal.c (for_each_rtx): Define it.
6915 * recog.c (change_t): New type.
6916 (change_objects, change_old_codes, change_locs, change_olds):
6918 (changes): New variable.
6919 (validate_change): Dynamically allocate room for more changes, if
6920 necessary. Uses changes array instead of change_objects, etc.
6921 (apply_change_group): Use changes array instead of
6922 change_objects, etc.
6924 * loop.c (loop_mem_info): New type.
6925 (loop_mems): New variable.
6926 (loop_mems_idx): Likewise.
6927 (looop_mems_allocated): Likewise.
6928 (scan_loop): Remove nregs parameter.
6929 (next_insn_in_loop): New function.
6930 (load_mems_and_recount_loop_regs_set): Likewise.
6931 (load_mems): Likewise.
6932 (insert_loop_mem): Likewise.
6933 (replace_loop_mem): Likewise.
6934 (replace_label): Likewise.
6935 (INSN_IN_RANGE_P): New macro.
6936 (loop_optimize): Don't pass max_reg_num() to scan_loop.
6937 (scan_loop): Remove nregs parameter, compute it after any new
6938 registers are created by load_mems. Use INSN_IN_RANGE_P and
6939 next_insn_in_loop rather than expanding them inline. Call
6940 load_mems to load memory into pseudos, if appropriate.
6941 (prescan_loop): Figure out whether or not there are jumps from the
6942 loop to targets other than the label immediately following the
6943 loop. Call insert_loop_mem to notice all the MEMs used in the
6944 loop, if it could be safe to pull MEMs into REGs for the duration
6946 (strength_reduce): Use next_insn_in_loop. Tweak comments.
6948 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
6950 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
6952 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6954 * config/sparc/sparc.c (finalize_pic): Check for the correct
6955 nonlocal_goto_receiver UNSPEC number.
6956 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
6957 making note of this dependency existing in sparc.c
6958 (negtf2_notv9 split): Give NEG SFmode.
6959 (negsf2): Fix insn output string.
6961 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
6963 * c-common.c (decl_attributes): Issue an error if the argument
6964 to alias is not a string.
6966 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
6968 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
6969 pending memory flush list.
6971 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
6973 (try_combine): Allow combining insns with REG_LIBCALL notes.
6975 * expr.c (emit_block_move): Do not call memcpy as a libcall
6976 instead build up a CALL_EXPR and call it like any other
6978 (clear_storage): Similarly for memset.
6980 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
6983 * Makefile.in (cplus-dem.o): Provide explicit rules for building
6986 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
6987 and REG_LIVE_LENGTH as successful substitutions are made.
6989 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6991 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
6992 statement after end of loop label.
6994 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6996 * config/sparc/sparc.c (ultra_types_avail): New variable.
6997 (ultra_build_types_avail): New function to record mask of insn
6998 types in ready list at this cycle.
6999 (ultrasparc_sched_reorder): Call it.
7000 (ultra_find_type): Use it to quicken the search. Also simplif
7001 dependency check, don't use rtx_equal_p because we know exactly
7002 what we are looking for.
7004 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
7006 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
7007 for architecture v4.
7009 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7011 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
7013 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
7014 movdf_const_intreg and helper splits): New patterns to move float
7015 constants into integer registers.
7016 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
7019 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
7022 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
7024 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
7026 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
7027 a BASE_REGS register is needed as an intermediate when copying
7028 a symbolic value into any register class other than BASE_REGS.
7030 * expr.c (move_by_pieces): No longer static. Remove prototype.
7031 * rtl.h (move_by_pieces): Add extern prototype.
7032 * mips.c (expand_block_move): Handle aligned straight line copy by
7033 calling move_by_pieces.
7035 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
7038 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
7040 * stmt.c (expand_end_loop): Tidy. Allow unconditional
7041 jumps out of the loop to be treated as part of the exit test.
7043 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7044 Jeff Law <law@cygnus.com>
7046 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
7047 * cplus-dem.c: Delete.
7049 * Makefile.in (fold-const.o): depend on $(RTL_H).
7051 * fold-const.c: Include rtl.h to get the prototype for
7052 `set_identifier_local_value'.
7054 * loop.c (express_from_1): Remove unused variable `tmp'.
7055 (combine_givs): cast the first argument of bzero to char *.
7057 * toplev.c (display_help): Remove unused variable `looking_for_start'.
7059 * c-decl.c (init_decl_processing): Remove unneeded &.
7061 * alpha.h (alpha_initialize_trampoline): Provide prototype.
7063 * except.c (set_exception_lang_code, set_exception_version_code):
7064 Change parameter from `short' to `int' to avoid using a gcc
7067 * except.h (set_exception_lang_code, set_exception_version_code):
7068 Likewise for prototypes.
7070 * flow.c (count_reg_references): Remove unused variables `regno'
7073 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
7075 * prefix.c (translate_name): Cast the result of `alloca'.
7077 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
7079 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7081 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
7083 (valid_dbcc_comparison_p): Mark mode argument as unused.
7084 (symbolic_operand): Likewise.
7085 (legitimize_pic_address): Likewise.
7086 (const_uint32_operand): Likewise.
7087 (const_sint32_operand): Likewise.
7088 * sched.c [!INSN_SCHEDULING]: Define only dummy function
7089 schedule_insns and comment out rest of file.
7091 * m68k.c (output_move_simode_const): Use subl to move a zero into an
7093 (output_move_[hq]imode): Likewise.
7095 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
7097 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
7098 * invoke.texi: Corresponding changes.
7100 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
7102 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
7104 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7106 * config/sparc/sparc.c (ultra_code_from_mask,
7107 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7108 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
7109 ultrasparc_sched_init, ultrasparc_variable_issue,
7110 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
7111 functions to describe UltraSPARC pipeline exactly to Haifa.
7112 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
7113 as there is nothing the scheduler can do about it. Indicate that
7114 REG_DEP_OUTPUT's collide. Fixup formatting.
7115 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
7116 divide costs on Ultra for DImode.
7117 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
7119 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
7120 ieuN and add call_no_delay_slot to type list.
7121 (cti function unit): New unit for branches on UltraSPARC.
7122 (subx/addx insns): Set type to misc.
7123 (sidi zero/sign extension insns on arch64): Set type to shift.
7124 (sign_extendhidi2_insn): Set type to sload.
7126 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
7128 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
7129 (output_epilog): Use if != 0 for offset.
7130 (rs6000_fatal_bad_address): Prepare for Intl.
7131 * rs6000.h (rs6000_fatal_bad_address): Declare.
7132 * rs6000.md (movsfcc, movdfcc): Use else if.
7133 (elf_high): Use {liu|lis}.
7134 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
7135 (movsi): Use rs6000_fatal_bad_address.
7137 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
7139 * reload.c (find_equiv_reg): Reject equivalences separated
7140 by a volatile instruction.
7142 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7144 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
7146 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
7148 * alpha.md (movsicc): Fix mode mismatch.
7150 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
7152 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
7154 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
7156 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7158 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
7159 write-only modifier from operand 1 constraint.
7161 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7163 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
7164 emitting a XOR of -1 at the end, emit a NOT instead for combine's
7166 (sparc_emit_set_const64): Likewise, also when computing trailing
7167 bits do not negate low_bits and make fast_int an int.
7169 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
7171 * loop.c (add_label_notes): Do not ignore references to labels
7172 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
7173 * gcse.c (add_label_notes): Similarly.
7175 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
7177 * m68k.md (adddi_dilshr32): One of the operands must be a register.
7178 (adddi_dishl32): Similarly.
7180 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
7182 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
7183 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
7184 * cse.c (cse_basic_block): Add parens to shut up warnings.
7186 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7188 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
7189 sparc_emit_set_const64_longway, const64_is_2insns,
7190 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
7191 in 64-bit constant formation.
7192 * config/sparc/sparc.md (snesi_zero_extend split): Generate
7193 rtl for addx not subx.
7194 (define_insn movdi_const64_special): Make available even when
7195 HOST_BITS_PER_WIDE_INT is not 64.
7196 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
7197 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
7198 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
7199 instances of operand 1 inside a QI subreg.
7200 (xordi3_sp64_dbl): Remove '%' constraint for op1.
7201 (one_cmpldi2_sp64): Fix output string.
7202 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
7204 (unnamed arch64 ashift DI): Truncate shift count if greater than
7207 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7209 * expr.c (store_expr): Don't optimize away load-store pair
7210 when either source or destination have a side effect.
7212 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
7214 * genrecog.c (add_to_sequence): Fatal error if the modes of the
7215 operands of SET are incompatible.
7217 * alpha.md: Fix max and min patterns so modes of SET operands match.
7219 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
7221 * configure.in: Avoid [[ by using test and changequote.
7222 * configure: Rebuild.
7224 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7226 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7228 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7229 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7230 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7231 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7232 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7233 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
7234 Fix mismatching modes in SET operands.
7235 (conditional move patterns): Fix formatting.
7236 (unnamed subx arch64 pattern): Remove duplicate insn.
7238 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7240 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7241 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
7242 (input_operand): Fixup test for what we accept for constant
7244 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
7246 (safe_constDI): Remove.
7247 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7248 gen_safe_XOR64): New functions.
7249 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
7250 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
7252 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
7253 available when HOST_BITS_PER_WIDE_INT is not 64.
7254 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
7255 move before movdi_insn_sp64 pattern.
7256 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
7257 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
7258 symbolic_operand as predicate for second operand.
7259 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
7260 expander): Give set VOIDmode.
7262 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
7264 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
7266 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
7268 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
7270 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
7272 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
7274 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
7276 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
7278 * install.texi: Various SCO OpenServer tweaks.
7280 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
7282 * reload1.c (eliminate_regs_in_insn): Handle another case when
7283 eliminating the frame pointer to the hard frame pointer. Add
7284 missing ep->to_rtx check to one existing case.
7286 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
7288 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7290 * tree.h: De-conditionalize init_priority code.
7292 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
7293 * collect2.c (NM_FLAGS): Change from -p to -n.
7295 * configure.in: Turn on collect2 for mipstx39-elf.
7296 Handle use_collect2=no properly.
7298 * c-common.c: De-conditionalize init_priority code.
7299 * collect2.c (extract_init_priority, sort_ids): New fns.
7300 (main): Call sort_ids.
7301 Move sequence_number to file scope.
7303 * configure.in: Handle --enable-init-priority.
7304 * c-common.c (attrs): Add A_INIT_PRIORITY.
7305 (init_attributes, decl_attributes): Likewise.
7306 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
7307 * tree.c (get_file_function_name_long): Split out...
7308 (get_file_function_name): ...from here.
7310 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
7312 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
7315 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
7317 * toplev.c (display_help): Add braces to shut up warnings.
7318 * tree.c (simple_cst_equal): Likewise.
7320 * fold-const.c (non_lvalue): Don't deal with null pointer
7322 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7324 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
7325 of any size to a pointer.
7327 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
7329 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
7331 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
7333 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
7334 which will be saved.
7335 * mn10300.md (prologue insn): Only save registers which need saving.
7336 (epilogue insn): Similarly.
7338 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
7341 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
7343 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
7344 VAR_DECL's in gp addressable sections.
7346 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
7348 * sparc.c: Change return <exp> to <exp>; return; in functions
7350 * sparc.md: Add empty semicolon statement after final label in
7353 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7355 * config/sparc/sparc.md (define_insn addx_extend): Rename to
7356 addx_extend_sp64, only allow when TARGET_ARCH64.
7357 (define_insn addx_extend_sp32 and split): Version that works when
7359 (define_insn subx_extend): Likewise.
7360 (define_split adddi3 and subdi3 with zero extension): Fixup and
7361 correct bugs when not TARGET_ARCH64.
7363 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
7365 * except.c (set_exception_lang_code, set_exception_version_code):
7366 Use prototype-style definition if __STDC__, to match declaration
7369 * genemit.c: Change FAIL and DONE macros not to use loops.
7371 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
7373 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
7374 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
7376 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
7378 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
7380 * README.g77: Update from Craig.
7382 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7384 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
7386 (safe_constDI sparc_emit_set_const64_quick1,
7387 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7388 analyze_64bit_constant, const64_is_2insns,
7389 create_simple_focus_bits): Fix some bugs when compiled on real
7391 (function_arg_record_value_3, function_arg_record_value_2,
7392 function_arg_record_value): Add fully prototyped forward decls.
7393 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
7394 to cmpsi_insn and use on both 64 and 32 bit targets.
7395 (define_insn cmpsi_insn_sp64): Remove.
7396 (define_expand zero_extendsidi2): Allow for 32-bit target too.
7397 (define_insn zero_extendsidi2_insn): Rename to
7398 zero_extendsidi2_insn_sp64.
7399 (define_insn zero_extendsidi2_insn_sp32): New pattern and
7400 assosciated forced split for it.
7402 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7404 * config/sparc/sparc.h: Declare them.
7405 (PREDICATE_CODES): Add them.
7406 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
7407 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
7409 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
7411 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
7412 in v9 case as the latter makes the Solaris assembler crash.
7414 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7416 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
7417 for TFmode when !v9. We require offsettable memory addresses.
7418 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
7419 DFmode register number conversions.
7420 * config/sparc/sparc.md (define_split DFmode moves): If register
7421 is a SUBREG do alter_subreg on it before using.
7422 (define_expand movtf): Fixup comment about alignment on v9.
7423 (define_split TFmode moves): Don't use gen_{high,low}part, create
7424 explicit SUBREGs instead.
7426 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
7428 * Makefile.in (mbchar.o): Depend on mbchar.c.
7430 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7431 Richard Henderson <rth@cygnus.com>
7433 Rewrite Sparc backend for better code generation and
7434 improved sparc64 support.
7435 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
7437 * config/sparc/sysv4.h: Likewise.
7438 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
7439 move_operand, v8plus_regcmp_op, emit_move_sequence,
7440 singlemove_string, doublemove_string, mem_aligned_8,
7441 output_move_double, output_move_quad, output_fp_move_double,
7442 move_quad_direction, output_fp_move_quad, output_scc_insn):
7444 (small_int_or_double): New predicate.
7445 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
7446 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
7447 old pic_{sethi,lo_sum}_si patterns.
7448 (mem_min_alignment): New generic function to replace
7449 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
7450 available and can test for arbitrary alignments. All callers
7452 (save_regs, restore_regs, build_big_number,
7453 output_function_prologue, output_cbranch, output_return,
7454 sparc_flat_save_restore, sparc_flat_output_function_prologue,
7455 sparc_flat_output_function_epilogue): Prettify
7457 (output_function_epilogue): Likewise and add code to output
7458 deferred case vectors.
7459 (output_v9branch): Likewise, add new arg INSN and use it to tack
7460 on branch prediction settings. All callers changed.
7461 (print_operand): Likewise and output %l44 for LO_SUMs when
7463 (sparc_splitdi_legitimate): New function to make sure DImode
7464 splits can be run properly when !arch64.
7465 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
7466 Reformat example code in comments.
7467 (set_extends): Remove UNSPEC/v8plus_clear_high case.
7468 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
7469 of deferred case vectors we need to output.
7470 (sparc_defer_case_vector): Record a case vector.
7471 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
7472 sparc_output_deferred_case_vectors): New functions to output them.
7473 (sparc_emit_set_const32): New function to form 32-bit constants in
7474 registers when that requires more than one instruction.
7475 (safe_constDI, sparc_emit_set_const64_quick1,
7476 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7477 analyze_64bit_constant, const64_is_2insns,
7478 create_simple_focus_bits, sparc_emit_set_const64): New functions
7479 which do the same for 64-bit constants when arch64.
7480 (sparc_emit_set_symbolic_const64): New function to emit address
7481 loading for all code models on v9.
7482 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
7483 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
7484 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
7485 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
7486 inaccuracies in comments, add symbolic and text_segment operands
7487 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
7488 GENERAL_REGS in these cases as a temp REG is needed to load these
7489 addresses into a register properly.
7490 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
7492 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
7493 quads are guarenteed to have 16-byte alignment.
7494 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
7495 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
7496 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
7497 deferred case vector implementation.
7498 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
7499 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
7500 Generate "internal label - label" instead of "label - 1b".
7501 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
7502 (PREDICATE_CODES): Remove sparc_operand, move_operand,
7503 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
7505 (doublemove_string, output_block_move, output_fp_move_double,
7506 output_fp_move_quad, output_move_double, output_move_quad,
7507 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
7508 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
7509 (sparc_emit_set_const32, sparc_emit_set_const64,
7510 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
7511 mem_min_alignment, small_int_or_double): Add externs.
7512 * config/sparc/sparc.md: Document the many uses of UNSPEC and
7513 UNSPEC_VOLATILE in this backend.
7514 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
7515 unary to types which execute in it.
7516 (define_function_unit ieu_shift): Rename to ieu0.
7517 (define_function_unit ieu1): New, executes compare, call, and
7518 uncond_branch type insns.
7519 (define_function_units for type fdivs, fdivd, fsqrt): These
7520 execute in the fpu multiply unit not the adder on UltraSparc.
7521 (define_expand cmpdi): Disallow TARGET_V8PLUS.
7522 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
7523 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
7524 allows the arith_double_operand predicate and rHI constraint when
7526 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
7527 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
7528 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
7529 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
7530 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
7531 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
7532 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
7533 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
7534 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
7535 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
7536 sign_extendqihi2_insn, sign_extendqisi2_insn,
7537 sign_extendqidi2_insn, sign_extendhidi2_insn,
7538 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
7539 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
7540 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
7541 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
7542 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
7543 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
7544 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
7545 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
7546 smulsi3_highpart_v8plus, unnamed subreg mult,
7547 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
7548 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
7549 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
7550 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
7551 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
7552 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
7553 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
7554 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
7555 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
7556 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
7557 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
7558 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
7559 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
7560 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
7561 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
7562 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
7563 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
7564 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
7565 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
7566 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
7567 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
7568 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
7569 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
7570 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
7571 call_address_untyped_struct_value_sp32,
7572 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
7573 call_value_symbolic_sp32, call_value_address_sp64,
7574 call_value_symbolic_sp64, branch_sp32, branch_sp64,
7575 flush_register_windows, goto_handler_and_restore,
7576 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
7577 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
7578 return_addsi, return_di, return_adddi, return_sf, all call+jump
7579 peepholes, trap, unnamed trap insns): Prettify output strings.
7580 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
7581 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
7582 Likewise and force + implement splits for integer cases.
7583 (define_insn return_sf_no_fpu): Likewise and allow to match when
7584 no-fpu because of our subreg SFmode splits.
7585 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
7586 zero_extendqidi2_insn, zero_extendhidi2_insn,
7587 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
7588 input_operand for second operand.
7589 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
7590 reg_or_0_operand for operand 2 so new splits can use it.
7591 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
7592 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
7594 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
7595 CONST_DOUBLEs for operand 2.
7596 (define_insn move_label_di): Likewise and label distance
7597 optimization because it no longer works with new deferred case
7598 vector scheme. To be revisited.
7599 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
7600 and allow reg_or_0_operand and J constraint for second operand.
7601 (define_insn jump): Set branch predict taken on V9.
7602 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
7603 new deferred case vector scheme.
7604 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
7605 (define_insn negdi2_sp32): Force + implement splits.
7606 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
7607 one_cmplsi2_not_liveg0 respectively, and create expander of original
7608 names which emit special rtl for TARGET_LIVE_G0.
7609 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
7610 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
7611 gen_compare_reg, FAIL instead.
7612 (define_insn sgtu, sleu): Likewise and check gen_s*() return
7613 values when trying to reverse condition codes, if they FAIL then
7615 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
7616 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
7617 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
7618 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
7619 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
7620 set output string to # to indicate they are mandatory splits.
7621 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
7622 pic_sethi_di, move_pic_label_si): Remove.
7623 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
7624 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
7626 (define_expand movsi_pic_label_ref, define_insn
7627 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
7628 expander and insns to handle PIC label references and deferred
7630 (define_insn get_pc_via_rdpc): Comment out as it is no longer
7632 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
7633 Rewrite to not use emit_move_sequence, make use of new constant
7634 formation code, and new splits for all multi-insn cases.
7635 (define_insn movqi_insn): Remove sethi case, it can never happen.
7636 Use reg_or_zero_operand instead of const0_rtx explicit test,
7637 use input_operand instead of move_operand for source, and use
7638 general_operand now for dest.
7639 (define_insn movhi_insn): Similar but leave sethi case.
7640 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
7641 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
7642 movhi_lo_sum respectively, prettify output string.
7643 (define_insn movsi_zero_liveg0): New pattern to put zero into a
7644 register when needed on TARGET_LIVE_G0.
7645 (define_insn movsi_insn): Use general_operand and input_operand
7646 for dest and src respectively. Simplify applicability test.
7647 Prettify output strings, and add clr alternative for J
7649 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
7650 deprecated std and reg-reg DI moves): Remove and...
7651 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
7652 implementation which uses forced splits for all non-single insn
7654 (define_split DI move cases on !arch64): New splits to handle all
7655 situations of 64-bit double register DImode on 32bit, and
7656 unaligned registers and memory addresses for all subtargets.
7657 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
7659 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
7660 input_operand for dest and src respectively, prettify output
7662 (define_insn movdf_insn, movdf_no_e_insn, store_df,
7663 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
7665 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
7666 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
7667 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
7668 movtf_no_e_insn_sp64) Replace with new
7669 implementation which uses forced splits for all non-single insn
7671 (define_split DF move cases): New splits in similar vein to DI
7673 (define_insn sethi_di_medlow, sethi_di_medium_pic,
7674 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
7675 movdi_sp64_insn): Remove old v9 code model and constant loading
7677 (define_insn pic_lo_sum_di, pic_sethi_di,
7678 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
7679 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
7680 embmedany_sethi, embmedany_losum, embmedany_brsum,
7681 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
7682 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
7683 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
7684 scheme, using unspecs, secondary reloads, and one to one sparc
7685 insn to rtl insn mapping for better scheduling and code gen.
7686 (define_expand reload_indi, reload_outdi): Reload helpers for
7687 MEDANY and EMBMEDANY symbol address loading cases which require a
7689 (define_expand movsicc): Remove v8plus_regcmp cases.
7690 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
7691 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
7692 cmp_diqi_trunc_set): New patterns used by some of the new scc
7694 (define_insn xordi3_sp64_dbl): New pattern used for constant
7695 formation when crossing from 32-bit targets.
7696 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
7698 (define_insn addx, subx): Make visible and prettify.
7699 (define_insn adddi3_insn_sp32): Likewise and force split.
7700 (define_insn addx_extend, subx_extend, unnamed): New patterns for
7701 64bit scc split usage.
7702 (define_insn unnamed plusDI zero_extend, unnamed minusDI
7703 zero_extend, subdi3): Force and implement splits.
7705 * final.c (final_scan_insn): Don't output labels if target
7706 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
7709 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
7710 don't forget to walk inside SEQUENCESs too as these are what the
7711 delay slot scheduler will create.
7713 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
7715 * alpha.md (extxl+1,+2): New patterns to work around
7718 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
7720 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
7721 caused bad assembly code to be generated.
7723 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
7725 * netbsd.h: Fix typo.
7727 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
7729 * config.sub: Fix typo.
7731 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
7733 * invoke.texi (Environment Variables): Typo: Change "ascpects"
7735 (Running Protoize): Typo: Change "ther" into "other".
7737 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
7739 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
7740 * m68k/netbsd.h: Likewise.
7741 * ns32k/netbsd.h: Likewise.
7742 * sparc/netbsd.h: Likewise.
7744 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
7746 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
7747 * ginclude/va-clipper.h (va_list): Likewise.
7749 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
7751 * rs6000.c (rs6000_override_options): If big endian and -Os, use
7752 load/store multiple instructions unless user overrides.
7754 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
7756 * ns32k/netbsd.h: Fix typo.
7758 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
7760 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
7761 labels with .debugsym if no parallel insns.
7763 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
7765 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
7766 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
7768 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
7770 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
7771 (AR_FOR_TARGET): Define.
7773 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
7775 * dyn-string.h: New file.
7776 * dyn-string.c: Likewise.
7777 * Makefile.in (OBJS): Add dyn-string.o.
7778 (dwarf2out.o): Add dyn-string.h dependency.
7779 (dyn-string.o): List dependencies.
7780 * dwarf2out.c: Include dyn-string.h.
7781 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
7782 (addr_const_to_string): Take a dyn_string_t, not a char* as a
7783 prototype. Use dyn_string_append rather than strcat, throughout.
7784 (addr_to_string): Use dyn_string_t.
7786 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
7788 Function entry/exit profiling instrumentation:
7789 * expr.h (profile_function_entry_libfunc,
7790 profile_function_exit_libfunc): Declare new variables.
7791 * optabs.c: Define them here.
7792 (init_optabs): Initialize them.
7793 * tree.h (struct tree_decl): New flag
7794 no_instrument_function_entry_exit.
7795 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
7796 * c-decl.c (duplicate_decls): Merge it.
7797 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
7798 (init_attributes): Use it for "no_instrument_function".
7799 (decl_attributes): Handle it, for functions that have not yet been
7800 compiled. Set decl flag.
7801 * flags.h (flag_instrument_function_entry_exit): Declare new
7803 * toplev.c (flag_instrument_function_entry_exit): Define it here.
7804 (f_options): New option "instrument-functions".
7805 * function.h (struct function): New field instrument_entry_exit.
7806 * function.c (current_function_instrument_entry_exit): New
7808 (push_function_context_to, pop_function_context_from): Save and
7810 (expand_function_start): Set current_ variable, maybe emit return
7811 label and entry profile call.
7812 (expand_function_end): Maybe emit exit profile call.
7814 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
7816 * i386.md (movqi): When optimizing a load of (const_int 1) into a
7817 NON_QI_REG_P, pretend the register is SImode.
7819 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
7821 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
7822 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
7823 manufacturer id for ns32k.
7824 * configure: Regenerated.
7825 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
7826 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
7827 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
7828 * config/m68k/netbsd.h: Same.
7829 * config/ns32k/netbsd.h: Same.
7830 * config/sparc/netbsd.h: Same.
7832 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
7834 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
7835 or UNROLL_COMPLETELY loop that starts with a jump to its
7838 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
7840 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
7841 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
7842 (print_operand, case 'B'): Don't fall through.
7843 (print_operand, case 'S'): Correct mask begin/end computation.
7844 Use HOST_BITS_PER_WIDE_INT.
7845 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
7846 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
7847 * rs6000/aix41.h (CPP_PREDEFINES): Same.
7848 * rs6000/aix43.h (CPP_PREDEFINES): Same.
7850 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
7852 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
7853 constraint from second alternative.
7855 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
7857 * configure.in: Fix --without/--disable cases for local-prefix,
7858 gxx-include-dir and checking.
7860 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7862 * configure.in (enable_haifa): Set by default for sparc64 too.
7865 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
7867 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
7868 * i386/winnt.c (associated_type): New fn.
7869 (i386_pe_valid_type_attribute_p): New fn.
7870 (i386_pe_check_vtable_importexport): Remove.
7871 (i386_pe_dllexport_p): Use associated_type.
7872 (i386_pe_dllimport_p): Likewise.
7874 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
7875 * i386.c (i386_valid_type_attribute_p): Also accept
7876 attributes for METHOD_TYPEs.
7878 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
7880 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
7882 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
7884 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
7886 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
7887 them from generating a new base name for each occurence of
7890 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
7892 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
7894 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
7898 * cplus-dem.c (type_kind_t): New type.
7899 (demangle_template_value_parm): Add type_kind_t parameter. Rely
7900 on this paramter, rather than demangling the type again.
7901 (demangle_integral_value): Pass tk_integral.
7902 (demangle_template_: Pass the value returned from do_type.
7903 (do_type): Return a type_kind_t. Pass tk_integral to
7904 demangle_template_value_parm for array bounds.
7905 (demangle_fund_type): Likewise.
7907 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
7909 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
7912 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
7914 * pa.c (move_operand): Accept CONSTANT_P_RTX.
7916 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
7918 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
7920 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
7923 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
7925 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
7926 (DEBUGGER_ARG_OFFSET): Likewise.
7928 * mn10300.md (movsf): Remove last change. Not needed.
7930 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
7932 * c-lex.c (yylex): Fix boundary conditions in character literal and
7933 string literal loops.
7935 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
7937 * longlong.h (count_leading_zeros): Sparclite scan instruction was
7938 being invoked incorrectly.
7940 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
7941 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
7943 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
7944 * configure.in: Added i[34567]86-*-win32
7945 * config.sub: Ditto.
7946 * configure: Rebuilt.
7948 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
7950 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
7951 the frame pointer and compiling PIC code and reload has not completed.
7953 * i386.c (output_to_reg): Add code to emulate non-popping DImode
7956 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
7958 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
7960 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7962 * Makefile.in (install-info): Only try to update the info
7963 directory file if it exists in the first place.
7965 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
7967 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
7969 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
7971 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
7972 CONST_DOUBLE source.
7974 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
7976 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
7977 strings as the insertion of USER_LABEL_PREFIX.
7978 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
7980 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
7983 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
7985 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
7986 already defined type.
7988 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
7990 * expr.c (check_max_integer_computation_mode): Allow conversions
7991 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
7992 (expand_expr): Likewise.
7994 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7996 * expr.c (expand_expr): Expand RETURN_EXPR.
7998 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
8000 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
8002 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
8004 * dwarf2out.c (output_aranges): Call stripattributes
8005 for TEXT_SECTION references.
8006 (output_line_info): Likewise.
8008 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8010 * profile.c (branch_prob): Call allocate_reg_info after outputting
8011 profile rtl in instrument_arcs.
8013 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
8015 * fixinc.irix (math.h): Install wrapper instead of copying.
8017 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8019 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
8020 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
8021 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
8022 lang_flag_0. Added documentation in the flag table.
8024 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
8026 * cccp.c (do_include): Fix vax c style include handling.
8028 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8030 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
8032 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
8034 * fold-const.c (non_lvalue): Don't deal with null pointer
8036 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8038 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
8040 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
8041 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
8042 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
8043 (u_short_cint_operand): Same.
8044 (reg_or_cint_operand): Same.
8045 (logical_operand): Same.
8046 (input_operand): Same.
8047 (reg_or_short_operand): Use u_short_cint_operand.
8049 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
8051 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
8052 but keep the insns and splits. Adjust so when the ultimate destination
8053 is memory, use cvtql.
8055 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
8057 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
8059 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
8061 * gcc.c (do_spec): Call "error" not "warning".
8063 * configure.in: Fix minor problems with gas feature detection code.
8064 * configure: Rebuilt.
8066 * gcc.c (do_spec): Issue a warning for '%[]' usage.
8069 * gcc.c: Delete %[spec] support.
8070 (do_spec_1, case '('): Likewise.
8071 (do_spec_1, case '['): Call error.
8073 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
8075 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
8076 (CPP_SUBTARGET_SPEC): Default to empty string.
8077 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
8078 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
8079 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
8080 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
8082 * alpha/linux.h (CPP_PREDEFINES): Tidy.
8083 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
8084 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
8085 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
8086 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
8087 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
8088 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
8089 * alpha/vxworks.h: Likewise.
8091 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
8093 * mips.md (reload_outsi): Added missing REGNO call.
8094 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
8096 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
8097 another match_operator and compare the codes.
8099 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
8101 * MIPS multiply pattern fixes:
8102 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8103 Add union classes for HI, LO, or HILO plus general registers.
8104 (GENERATE_MADD): Deleted.
8105 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
8106 Add TARGET_MAD to condition.
8107 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
8108 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
8109 "*d" for accumulator, to give preference to LO initially but not
8112 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
8114 * configure.in (enable_c_mbchar): New configure option.
8115 (extra_cpp_objs): Always available now.
8117 * cexp.y (mbchar.h): #include it.
8118 (yylex): Handle Multibyte characters in character literals.
8120 * cccp.c (mbchar.h): #include it.
8121 (main): Set character set based on LANG environment variable.
8122 (rescan): Handle multibyte characters in comments.
8123 (skip_if_group): See above.
8124 (validate_else): See above.
8125 (skip_to_end_of_comment): See above.
8126 (macarg1): See above.
8127 (discard_comments): See above.
8128 (rescan): Handle multibyte characters in string and character literals.
8129 (collect_expansion): See above.
8130 (skip_quoted_string): See above.
8131 (macroexpand): See above.
8132 (macarg1): See above.
8133 (discard_comments): See above.
8134 (change_newlines): See above.
8136 * c-lex.c (mbchar.h): #include it.
8137 (GET_ENVIRONMENT): New macro.
8138 (init_lex): Set character set based on LANG environment variable.
8139 (yylex): Handle multibyte characters in character literals.
8140 (yylex): Handle multibyte characters in string literals.
8142 * Makefile.in (mbchar.o): New target.
8143 (cccp$(exeext)): @extra_cpp_objs@ is always available.
8144 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
8146 * mbchar.[ch]: New files for multibyte character handling.
8148 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8150 * jump.c (jump_optimize): When simplifying noop moves and
8151 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
8152 the PUSHes to rewrite in second loop as we did in the first.
8154 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8156 * cplus-dem.c (demangle_nested_args): Make function definition
8157 static to match the prototype.
8159 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
8161 * alloca.c: Respect USE_C_ALLOCA.
8162 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
8163 * gengenrtl.c (xmalloc): Likewise.
8165 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
8167 * loop.h (struct induction): Add no_const_addval.
8168 * loop.c (the_movables, reg_address_cost): New variables.
8169 (init_loop): Init reg_address_cost.
8170 (loop_optimize): Call end_alias_analysis.
8171 (scan_loop): Init the_movables.
8172 (record_giv): Init induction->no_const_addval.
8173 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
8174 [REG]: Rearrange loop search test to catch more cases.
8175 (general_induction_var): Return success not benefit; take an extra
8176 argument for that. Change all callers.
8177 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
8178 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
8179 [default]: Search the_movables for additional combinations.
8180 (sge_plus_constant, sge_plus): New functions.
8181 (express_from_1): New function.
8182 (express_from): Always define. Rewrite using express_from_1.
8183 (combine_givs_p): Handle more cases. Ignore address cost.
8184 (cmp_combine_givs_stats): New function.
8185 (combine_givs_used_once, combine_givs_benefit_from): New functions.
8186 (combine_givs): Rewrite to do best-fit combination.
8188 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
8189 (fold): Do a complete (A*C)+(B*C) association check.
8191 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
8193 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
8195 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
8197 * mn10300.c (MODES_TIEABLE_P): Fix typo.
8199 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
8201 * tree.c (valid_machine_attribute): Only create a new type variant if
8202 there is a decl to use it.
8204 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
8206 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
8209 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
8211 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
8214 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
8216 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
8217 Simplify tests for clearing an address register.
8218 (expand_prologue): Corresponding changes.
8220 * mn10300.md (movXX patterns): Make sure the destination is an
8221 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
8222 (logical patterns): Split into expanders + patterns
8223 (zero and sign extension patterns): Similarly.
8224 (shift patterns): Similarly.
8226 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8228 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8229 for the sequence, recording base values.
8231 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8233 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
8235 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
8237 * gcc.c: Remove ANSI-C ism from --help code.
8239 * toplev.c: Support --help with USE_CPPLIB.
8241 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
8243 * configure.in: Rework gas feature code to work with symlink based
8246 * extend.texi: Clarify some issues related to local variables
8247 assigned to explicit registers.
8249 * mn10300.md (mulsi): Turn into expander + pattern.
8251 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
8254 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
8256 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
8258 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
8260 * version.c: Bump again to distinguish mainline tree from the
8263 See ChangeLog.0 for earlier changes.
8266 add-log-time-format: current-time-string
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