1 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 * cccp.c: Don't define MIN/MAX anymore.
5 * machmode.h: Likewise.
6 * system.h: Provide definitions for MIN/MAX.
8 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
10 * fix-header.c: Don't define xstrdup here.
12 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
14 * loop.c (consec_sets_giv): New argument last_consec_insn.
15 (strength_reduce): Provide / use it.
17 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19 * loop.h (loop_info): New field 'vtop'.
20 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
21 scanning loop for vtop.
22 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
23 (loop_iterations): Use them to determine if loop has a constant
24 number of iterations. Set loop_info->vtop. Don't subtract
25 common reg term from initial_value and final_value if have a
28 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
30 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
32 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
34 * mn10200.md (abssf2, negsf2): New expanders.
36 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
38 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
40 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
41 replaced by a CONCAT whoes components do not have the same
42 mode as the original SUBREG, use a new SUBREG to restore the
45 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
46 multiword complex values.
48 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
50 * cppalloc.c: Add xstrdup here.
51 * cpplib.h: Remove savestring prototype.
52 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
54 * cppfiles.c: s/savestring/xstrdup/ throughout.
56 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
58 * cpplib.c: Make all directive handlers read their own
60 (struct directive): Remove last two arguments from FUNC
61 member prototype. Remove `command_reads_line' member
63 (directive_table): Remove initializations of
64 command_reads_line flag. Pretty-print.
65 (eval_if_expression, do_define, do_line, do_include,
66 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
67 do_else, do_elif, do_sccs, do_assert, do_unassert,
68 do_warning): Take only two args.
70 (cpp_define): Call do_define with two args and the text to
71 define stuffed into a buffer.
72 (make_assertion): Call do_assert with two args.
73 (handle_directive): Call do_line with two args. Call
74 kt->func with two args. Remove command_reads_line
76 (do_define, do_undef, do_error, do_warning, do_pragma,
77 do_sccs): Read the rest of the line here.
78 (do_ident): Gobble rest of line, as cccp does.
79 (cpp_undef): New function.
80 (cpp_start_read): Call cpp_undef instead of do_undef.
82 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
84 * cpphash.h (union hash_value): Remove `keydef' member, add a
85 `struct hashnode *aschain' member for #assert.
87 * cpplib.c (struct tokenlist_list, struct
88 assertion_hashnode): Delete structure definitions.
89 (assertion_install, assertion_lookup, delete_assertion,
90 check_assertion, compare_token_lists, reverse_token_list,
91 read_token_list, free_token_list): Delete functions.
92 (parse_assertion): New function.
93 (cpp_cleanup): Don't destroy the assertion_hashtable.
95 (do_assert): Gut and rewrite. #assert foo (bar) places
96 entries for `#foo' and `#foo(bar)' in the macro hash table,
97 type T_ASSERT. The value union's `aschain' member is used
98 to chain all answers for a given predicate together.
99 (do_unassert): Also rewritten. Take an un-asserted
100 answer off the chain from its predicate and call
101 delete_macro on the hashnode, or walk a predicate chain
102 calling delete_macro on all the entries.
103 (cpp_read_check_assertion): Simply call parse_assertion to
104 get the canonical assertion name, and look that up in the
107 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
110 * cpphash.c (install): Use bcopy instead of an explicit loop
111 to copy the macro name.
113 * cppexp.c (cpp_lex): Convert the result of
114 cpp_read_check_assertion to a `struct operation' directly;
115 don't go through parse_number.
117 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
119 * loop.h (struct induction): Delete times_used member.
120 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
121 (n_times_used): Rename to n_times_set. Changed all users.
122 (scan_loop): Free reg_single_usage before strength reduction.
123 (record_giv, combine_givs): Remove handling of times_used member.
124 (combine_givs_used_once): Rename to:
125 (combine_givs_used_by_other) . Changed all callers.
127 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
129 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
130 instead of TREE_CODE_CLASS == 't'.
131 (gen_type_die): Likewise.
132 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
134 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
136 * real.c (endian): Disable last change unless
137 HOST_BITS_PER_WIDE_INT is greater than 32.
139 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
141 * output.h (force_data_section): New prototype.
142 * varasm.c (force_data_section): New function to force the
143 data section, regardless of what in_section thinks.
144 * dwarf2out.c (output_call_frame_info): Call force_data_section
145 since varasm may not realize we've changes sections.
147 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
149 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
150 after completeing reload.
152 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
153 deleted after reload.
155 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
157 * rtl.h (multiple_sets): Fix prototype.
158 * rtlanal.c (multiple_sets): Fix return type.
160 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
162 * version.c: Bump for snapshot.
164 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
166 * version.c: Bump for snapshot.
168 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
170 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
172 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
174 * rtl.h (recompute_reg_usage): Add second argument.
175 * flow.c (recompute_reg_usage): Likewise.
176 * toplev.c (rest_of_compilation): Supply second argument to
179 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
182 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
184 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
185 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
186 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
189 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
191 * rtlanal.c (multiple_sets): New function.
192 * rtl.h (multiple_sets): Declare it.
193 * local-alloc.c (wipe_dead_reg): Use it.
194 * global.c (global_conflicts): Likewise.
196 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
198 * global.c (record_conflicts): Don't use an array of shorts to
199 store an array of ints.
200 (global_conflicts): Likewise.
202 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
204 * alpha.c (alpha_expand_block_move): mode_for_size expects
205 bits, not bytes. Infer extra alignment from addressof.
207 1998-12-11 Michael Meissner <meissner@cygnus.com>
209 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
210 .sbss section, not .sdata.
212 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
214 * cccp.c: Do not #include <sys/stat.h> here; this is already done
216 * collect2.c: Likewise.
217 * cpplib.h: Likewise.
220 * getpwd.c: Likewise.
221 * protoize.c: Likewise.
222 * toplev.c: Likewise.
224 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
225 and don't try to define it here.
226 * Makefile.in (cppmain.o): Depend on machmode.h.
227 (cpplib.o): Likewise.
228 (cpperror.o): Likewise.
229 (cppexp.o): Likewise.
230 (cppfiles.o): Likewise.
231 (cpphash.o): Likewise.
232 (cppalloc.o): Likewise.
233 (fix-header.o): Likewise.
234 (scan-decls.o): Likewise.
236 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
238 * sh.c (print_operand): lookup interrupt_handler attribute instead
239 of relying on static variable.
240 * (calc_live_regs): Likewise.
241 * (sh_pragma_insert_attributes): Create interrupt_handler
242 attribute if a pragma was specified
243 * (sh_valid_machine_decl_attribute): Don't set static flag.
244 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
246 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
248 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
249 to determine if a register is live at a jump destination.
250 Everything is dead at a BARRIER.
252 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
254 * cse.c (simplify_unary_operation): Sign-extend constants when
255 they have the most significant bit set for the target.
256 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
258 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
259 HOST_WIDE_INT temporary before negating it.
260 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
262 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
264 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
267 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
269 * collect2.h: New header file for prototypes.
271 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
273 * collect2.c: Include collect2.h.
276 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
278 * flow.c: Update some comments.
280 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
282 * objc/objc-act.c (cpp_initialized): Removed.
283 (lang_init_options): Initialize cpplib.
284 (lang_decode_option): Move initialization of cpplib to
286 * c-lang.c: (parse_options,parse_in): Added.
287 (lang_init_options): Initialized cpplib here.
288 * c-decl.c (parse_options,cpp_initialized): Removed.
289 (c_decode_option): Move initialization of cpplib to
292 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
294 * reload1.c (reload_combine, reload_combine_note_store):
295 Make STORE_RUID always valid.
296 (reload_combine): Check if BASE is clobbered too early.
298 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
300 * reload.c (find_reloads): Display the insn that cannot be
303 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
305 * cccp.c (create_definition): Fix end of bufer logic.
307 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
309 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
310 pointer parameters changed to use the PARAMS() macro.
312 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
314 * except.h (struct handler_info): Add handler_number field.
315 * except.c (gen_exception_label): EH labels no longer need to be
316 on the permanent obstack.
317 (get_new_handler): Set the label number field.
318 (output_exception_table_entry): Regenerate handler label reference
319 from the label number field.
320 (init_eh): Remove a blank line.
321 * integrate.c (get_label_from_map): Labels no longer need to be
322 on the permanent obstack.
324 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
326 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
327 only when OUTER_CODE is SET.
329 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
331 * loop.c (strength_reduce): If scan_start points to the loop exit
332 test, be wary of subversive use of gotos inside expression statements.
333 Don't set maybe_multiple for a backward jump that does not
334 include the label under consideration into its range.
335 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
337 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
339 * explow.c (plus_constant_wide): Don't immediately return with
340 result of recursive call.
342 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
344 * eh-common.h (struct eh_context): Add table_index for rethrows.
346 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
347 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
348 processed when inlined or unrolled (ie duplicated in some way).
350 * rtl.c (reg_note_name): Add strings for new reg_note enums.
352 * expr.h (rethrow_libfunc): New library decl.
354 * optabs.c (rethrow_libfunc): Initialize.
356 * except.h (struct eh_entry): Add new field 'rethrow_label'.
357 (new_eh_region_entry): No longer exported from except.c.
358 (duplicate_handlers): Renamed to duplicate_eh_handlers and
360 (rethrow_symbol_map, rethrow_used): New exported functions.
361 (eh_region_from_symbol): New exported function.
363 * except.c (create_rethrow_ref): New function to create a single
364 SYMBOL_REF for a rethrow region.
365 (push_eh_entry): Initialize a rethrow ref.
366 (func_eh_entry): Add a rethrow_label field.
367 (new_eh_region_entry): Make static, and initialize the rethrow entry.
368 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
369 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
370 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
371 a region into an appropriate new symbol.
372 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
373 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
374 (end_catch_handler): Emit a barrier for new-exceptions since
375 control can never drop through the end of a catch block.
376 (expand_end_all_catch): new-exceptions never fall through a catch
378 (expand_rethrow): use __rethrow routine for new exceptions.
379 (output_exception_table_entry): Generate rethrow labels, if needed.
380 (output_exception_table): Generate start and end rethrow labels.
381 (init_eh): Create rethrow symbols for beginning and end of table.
382 (scan_region): Don't eliminate EH regions which are the targets of
385 * flow.c (make_edges): Add different edges for rethrow calls,
386 identified by having the REG_EH_RETHROW reg label.
387 (delete_unreachable_blocks): Don't delete regions markers which are
388 the target of a rethrow.
390 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
391 allow save_for_inline_copying to call duplicate_eh_handlers.
392 (save_for_inline_copying): Call duplicate_eh_handlers instead of
393 exposing internal details of exception regions.
394 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
395 (expand_inline_function_eh_labelmap): New callback routine to
396 allow expand_inline_function to call duplicate_eh_handlers.
397 (expand_inline_function): Call duplicate_eh_handlers instead of
398 exposing internal details of exception regions.
399 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
402 * libgcc2.c (find_exception_handler): Generalize to enable it to
403 pick up processing where it left off last time for a rethrow.
404 (__unwinding_cleanup): New function. debug hook which is called before
405 unwinding when __throw finds there is nothing but cleanups left.
406 (throw_helper): Common parts of __throw extracted out for reuse.
407 (__throw): Common parts moved to throw_helper.
408 (__rethrow): New function for performing rethrows.
410 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
412 * reload1.c (current_function_decl): Tweak declaration.
414 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
416 * c-decl.c (flag_isoc9x): Default off.
417 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
418 * cccp.c (print_help, main): Likewise.
419 * gcc.c (default_compilers): Update for -std=gnu*.
421 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
423 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
424 * demangle.h: Deleted.
426 * reload1.c (current_function_decl): Declare.
428 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
430 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
432 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
434 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
436 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
438 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
440 * configure: Rebuilt.
441 * system.h: If the *_unlocked functions are available use them
442 instead of the locked counterparts by defining macros.
443 * config.in: Regenerated.
445 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
447 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
448 wrong and should only be used for dump related things, not
449 debugging information, instead main_input_filename should be used.
450 Also, reuse output_file_directive if possible.
451 * i386/aix386ng.h (ASM_FILE_START): Likewise.
452 * i386/isc.h (ASM_FILE_START): Likewise.
453 * i386/win-nt.h (ASM_FILE_START): Likewise.
454 * i386/sun386.h (ASM_FILE_START): Likewise.
456 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
458 * configure.in (mips*-*-linux*): Handle big and little endian
460 * configure: Rebuilt.
462 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
464 * emit-rtl.c: Fix typo.
466 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
468 * reload1.c (eliminate_regs): Don't do anything, if we're not
471 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
473 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
475 * mips/mips.c (mips_select_section): Add comment.
477 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
479 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
480 characters in file names in #line to be consistent with #include
481 handling. We support escape prcessing in the # 1 "..." version of
482 the command. See also support in cp/lex.c.
483 (handle_directive): Likewise.
486 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
488 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
489 so it'll work on non-ASCII platforms. Always consider $ an
490 identifier character. Take no arguments.
491 (cpp_reader_init): Call initialize_char_syntax with no
493 (cpp_start_read): Don't call initialize_char_syntax again.
494 Clear is_idchar['$'] and is_idstart['$'] if not
495 opts->dollars_in_ident.
497 * cpplib.h (struct cpp_reader): Replace void *data element by
498 cpp_options *opts. Rearrange elements to make gdb printout
499 less annoying (put buffer stack at end).
500 (CPP_OPTIONS): Get rid of now-unnecessary cast.
502 * cppmain.c: s/data/opts/ when initializing cpp_reader
504 * c-decl.c: Likewise.
505 * objc/objc-act.c: Likewise.
506 * fix-header.c: Likewise.
508 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
510 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
511 with a struct file_name_list pointer.
512 (struct cpp_reader): Add pointer to chain of `actual
513 directory' include searchpath entries.
514 (struct file_name_list): Add *alloc pointer for the sake of
515 the actual-directory chain.
517 Move definition of HOST_WIDE_INT here.
518 (cpp_parse_escape): Change prototype to match changes in
521 * cppfiles.c (actual_directory): New function.
522 (finclude): Use it to initialize the buffer's actual_dir
524 (find_include_file): We don't need to fix up max_include_len
527 * cpplib.c (do_include): Don't allocate a file_name_list on
528 the fly for current directory "" includes, use the one that's
529 been preallocated in pfile->buffer->actual_dir. Hoist out
530 duplicate code from the search_start selection logic.
531 (cpp_reader_init): Initialize pfile->actual_dirs.
533 Remove definition of HOST_WIDE_INT. Change calls
534 to cpp_parse_escape to match changes in cppexp.c (note
535 hardcoded MASK, which is safe since this is the source
538 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
539 to handle wide character constants in #if directives. The
540 function now returns a HOST_WIDE_INT, and takes a third
541 argument which is a binary mask for all legal values (0x00ff
542 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
543 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
544 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
546 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
548 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
550 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
552 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
553 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
554 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
556 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
558 * final.c (output_asm_name): Use tabs to seperate comments from
561 Include instruction lengths (if defined) in output.
563 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
565 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
566 in the loop_info structure.
568 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
570 * configure.in: (arm*-*-ecos-elf): New target.
571 * configure: Regenerated.
572 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
573 * config/arm/ecos-elf.h: New file.
574 * config/arm/unknown-elf.h (TARGET_VERSION): Check
577 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
579 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
581 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
583 * version.c: Bump for snapshot.
585 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
587 * loop.c (check_dbra_loop): New argument loop_info. Update fields
590 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
592 * version.c: Bump for snapshot.
594 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
596 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
597 compressed reports are ok and preferred over URLs
599 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
601 * invoke.texi (Warning Options): Soften the tone of -pedantic
603 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
605 * print-rtl.c (print_rtx): Add prototype.
607 * unroll.c (iteration_info): Make it static.
609 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
611 * alias.c (memrefs_conflict_p): A second ANDed address
612 disables the aligned address optimization.
614 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
616 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
619 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
621 * i960.h (BOOL_TYPE_SIZE): Define.
623 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
625 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
626 from old valid_parallel_operands_4.
627 (valid_parallel_operands_4): Check that operands for 4 operand
628 parallel insns are valid, excluding load/store insns.
629 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
630 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
631 valid_parallel_load_store instead of valid_parallel_operands_4.
632 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
633 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
634 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
635 *notqi_movqi_clobber): Use valid_parallel_operands_4.
636 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
637 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
638 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
640 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
642 * config/c4x/c4x.c (iteration_info): Delete extern.
644 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
646 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
648 * final.c (cleanup_subreg_operands): Delete some unused code.
650 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
651 (struct insn_alternative): New structure definition.
652 (recog_op_alt): Declare variable.
653 (preprocess_constraints): Declare function.
654 * recog.c (recog_op_alt): New variable.
655 (extract_insn): Verify number of alternatives is in range.
656 (preprocess_constraints): New function.
657 * reg-stack.c: Include recog.h.
658 (constrain_asm_operands): Delete.
659 (get_asm_operand_lengths): Delete.
660 (get_asm_operand_n_inputs): New function.
661 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
662 N_OUTPUTS args. All callers changed.
663 Compute number of inputs and outputs here by calling
664 get_asm_operand_n_inputs.
665 Instead of constrain_asm_operands, call extract_insn,
666 constrain_operands and preprocess_constaints. Use information
667 computed by these functions throughout.
668 (record_reg_life): Delete code that is unused due to changes in
670 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
671 N_INPUTS and N_OUTPUTS args. All callers changed.
672 Similar changes as in record_asm_reg_life.
673 (subst_stack_regs): Move n_operands declaration into the if statement
675 Delete code that is unused due to changes in subst_asm_stack_regs.
676 * stmt.c (expand_asm_operands): Verify number of alternatives is in
678 * Makefile.in (reg-stack.o): Depend on recog.h.
680 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
682 * except.c (set_exception_version_code): Argument is an "int".
684 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
686 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
687 * configure: Rebuilt.
689 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
691 * configure.in (mipsel-*-linux*): New target.
692 * mips/linux.h: New file, based on other Linux targets.
694 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
696 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
697 runs in the context of the deleter, not the deletee, so we must
698 use taskVarGet to find the correct memory to free.
699 (__gthread_key_create): Initialize the task
700 variable subsystem so that the task variable is still active when
701 the delete hook is run.
703 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
705 * pdp11.h: Use optimize_size for space optimizations.
707 * pdp11.md: Likewise.
709 * pdp11.h (TARGET_40_PLUS): Fix typo.
711 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
713 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
716 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
718 * alias.c (addr_side_effect_eval): New function.
719 (memrefs_conflict_p): Use it.
720 * rtl.h (addr_side_effect_eval): Prototype it.
722 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
724 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
726 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
728 * reload.c (find_reloads): When force const to memory, put result
729 in substed_operand not *recog_operand_loc.
731 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
733 * c-lex.c: Fix indentation from last patch.
734 Remove trailing whitespace.
737 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
739 * flow.c (delete_block): Call set_last_insn after we have reset
740 NEXT_INSN (kept_tail).
742 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
744 * mips.md (trap_if): Use "$0" for the value zero.
746 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
747 Stephen L Moshier <moshier@world.std.com>
748 Richard Henderson <rth@cygnus.com>
750 * c-common.c (declare_function_name): Declare predefinied variable
753 * c-decl.c (flag_isoc9x): Set to 1 by default.
754 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
755 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
757 * c-parse.in: Allow constructors in ISO C 9x.
758 Rewrite designator list handling.
759 Allow [*] parameters.
760 Don't warn about comma at end of enum definition for ISO C 9x.
762 * cccp.c (c9x): New variable.
763 (rest_extension): New variable.
764 (print_help): Document new -std= option.
765 (main): Recognize -std= option. Set c9x appropriately.
766 (create_definition): Recognize ISO C 9x vararg macros.
768 * gcc.c (default_compilers): Adjust specs for -std options.
769 (option_map): Add --std.
770 (display_help): Document -std.
772 * toplev.c (documented_lang_options): Add -std and remove
775 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
776 or REAL_VALUE_HTOF based on base of the constants.
777 * fold-const.c (real_hex_to_f): New function. Replacement function
778 for hex FP conversion if REAL_ARITHMETIC is not defined.
779 * real.c (asctoeg): Add handling of hex FP constants.
780 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
783 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
785 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
786 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
787 expansion. Use hi/lo as destination register.
789 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
790 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
791 Avoid as macro expansion. Use hi/lo as destination register.
793 * mips.h (MASK_CHECK_RANGE_DIV): New.
794 (MASK_NO_CHECK_ZERO_DIV): New.
795 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
796 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
797 return address for leaf functions out of r31 to support
798 builtin_return_address.
800 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
802 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
803 NEXT_INSN(x) to check insn x.
805 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
807 * flow.c (delete_block): Call set_last_insn if we end up deleting the
808 last insn in the rtl chain.
810 * reload1.c (reload): Do not set reload_completed or split insns
812 * toplev.c (rest_of_compilation): Set reload_completed after
813 reload returns. Split insns after reload_cse has run.
815 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
817 * final.c (final_scan_insn): Abort if block_depth falls below 0.
819 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
821 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
823 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
825 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
826 use of user-label_prefix.
828 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
830 * reload1.c (emit_reload_insns): Clear spill_reg_store
831 when doing a new non-inherited reload from the same pseudo.
833 * local-alloc.c (function_invariant_p): New function.
834 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
835 to decide if an equivalence should be recorded.
836 * reload1.c (num_eliminable_invariants): New static variable.
837 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
838 to decide if an equivalence should be recorded.
840 (calculate_needs_all_insns): Skip insns that only set an equivalence.
841 Take num_eliminable_invariants into account when deciding
842 if register elimination should be done.
843 (reload_as_needed): Take num_eliminable_invariants into account
844 when deciding if register elimination should be done.
845 (eliminate_regs): Handle non-constant reg_equiv_constant.
846 * rtl.h (function_invariant_p): Declare.
848 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
850 * version.c: Bump for snapshot.
852 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
854 * version.c: Bump for snapshot.
856 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
858 * except.c (add_new_handler): Complain about additional handlers
859 after one that catches everything.
861 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
863 * configure.in (alpha*-*-netbsd): Fix typo.
864 * configure: Rebuilt.
866 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
868 * system.h: Include libiberty.h.
870 * c-aux-info.c: Remove prototypes for concat/concat3. Change
871 function `concat' from fixed parameters to variable parameters,
872 as is done in libiberty. All callers of concat/concat3
873 changed to use the new `concat' with variable args.
875 * cccp.c: Remove things made redundant by libiberty.h and/or
876 conform to libiberty standards.
878 * collect2.c: Likewise.
879 * config/1750a/1750a.h: Likewise.
880 * cppalloc.c: Likewise.
881 * cppexp.c: Likewise.
882 * cppfiles.c: Likewise.
883 * cpphash.c: Likewise.
884 * cpplib.c: Likewise.
885 * dyn-string.c: Likewise.
886 * fix-header.c: Likewise.
889 * genattr.c: Likewise.
890 * genattrtab.c: Likewise.
891 * gencheck.c: Likewise.
892 * gencodes.c: Likewise.
893 * genconfig.c: Likewise.
894 * genemit.c: Likewise.
895 * genextract.c: Likewise.
896 * genflags.c: Likewise.
897 * gengenrtl.c: Likewise.
898 * genopinit.c: Likewise.
899 * genoutput.c: Likewise.
900 * genpeep.c: Likewise.
901 * genrecog.c: Likewise.
902 * getpwd.c: Likewise.
903 * halfpic.c: Likewise.
905 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
906 in NEED_DECLARATION_* macros.
908 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
909 conform to libiberty standards.
910 (fatal): Fix const-ification of variable `format' in
911 !ANSI_PROTOTYPES case.
913 * prefix.c: Remove things made redundant by libiberty.h and/or
914 conform to libiberty standards.
916 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
917 conflicting with function `spaces' from libiberty.
919 * profile.c: Remove things made redundant by libiberty.h and/or
920 conform to libiberty standards.
921 * protoize.c: Likewise.
925 * toplev.c: Likewise.
926 * toplev.h: Likewise.
929 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
931 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
933 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
935 * README.C4X: Updated URLs.
936 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
937 (valid_parallel_operands_5): Remove unused variable.
939 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
941 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
943 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
945 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
946 which can be configured.
947 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
948 (Makefile): Pass actual LANGUAGES through the environment when
950 (cstamp-h): Likewise.
951 (config.status): Likewise.
953 * configure.in (enable_languages): Add new configuration parameter
954 "--enable-languages=lang1,lang2,...".
955 (${srcdir}/*/config-lang.in): Change handling to configure only
956 those directories, that the user might have enabled; default to
957 "all" existing languages.
958 * configure: Regenerate.
960 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
962 * rtlanal.c (regs_set_between_p): New function.
963 * rtl.h (regs_set_between_p): Prototype it.
964 * jump.c (jump_optimize): Use it instead of modified_between_p
967 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
968 Matthias Pfaller <leo@dachau.marco.de>
970 * invoke.texi (Option Summary, NS32K Options): add description
971 of NS32K specific options.
973 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
974 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
975 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
976 negdf2, absdf2): Use l instead of f since the double class and
977 float class are no longer the same.
978 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
979 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
980 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
981 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
983 (cmpsi, cmphi, cmpqi): use general_operand instead of
984 non_immediate_operand. Removes erroneous assumption that can't
986 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
987 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
989 (movstrsi, movstrsi1, movstrsi2): completely new block move
991 (...): Patterns to exploit multiply-add instructions.
992 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
993 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
994 patterns to exploit extended divide insns.
995 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
998 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
999 float return values as well as simple scalar floats.
1000 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
1001 support new flag to denote 32381 fpu.
1002 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
1003 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
1005 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1006 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
1007 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
1008 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
1009 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
1010 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
1011 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
1012 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
1013 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
1014 fpu registers and special register classes for new 32381
1015 instructions dotf and polyf.
1016 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
1018 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
1019 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
1021 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
1022 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
1023 (REGISTER_MOVE_COST): move code to register_move_cost function for
1024 ease of coding and debugging.
1025 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
1026 LONG_FLOAT_REGO is likely spilled but not caught by default
1028 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
1029 instead of hard coded numbers in range check.
1030 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
1031 (...): Add prototypes for functions in ns32k.c but disable because
1032 of problems when ns32k.h is included in machine independant files.
1034 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
1035 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
1036 hard_regno_mode_ok, secondary_reload_class,
1037 print_operand, print_operand_address): new register scheme to
1038 include 32381 fpu registers and special register classes for new
1039 32381 instructions dotf and polyf.
1040 (gen_indexed_expr): Make static to keep namespace clean.
1041 (check_reg): remove since never called.
1042 (move_tail, expand_block_move): helper functions for "movstrsi"
1044 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
1045 Increase cost of moves which go via memory.
1046 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
1047 (CPP_PREDEFINES): nolonger predefine "unix".
1049 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
1050 Remove erroneous %$. print_operand() can work out from the rtx is
1051 an immediate prefix is required.
1053 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
1054 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
1055 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
1057 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
1060 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
1061 Correct handling of pic operands.
1062 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
1063 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
1064 -mrtd calling convention.
1066 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
1068 * gcc.c (option_map): Recognize --output-class-directory.
1070 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1072 * loop.h (precondition_loop_p): Added new mode argument.
1073 * unroll.c (precondition_loop_p): Likewise.
1074 (approx_final_value): Function deleted and subsumed
1075 into loop_iterations.
1076 (loop_find_equiv_value): New function.
1077 (loop_iterations): Use loop_find_equiv_value to find increments
1078 too large to be immediate constants. Also use it to find terms
1079 common to initial and final iteration values that can be removed.
1081 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1083 * loop.h (struct loop_info): Define new structure.
1084 (precondition_loop_p): Added prototype.
1085 (unroll_loop): Added new argument loop_info to prototype.
1086 (final_biv_value, final_giv_value): Added new argument n_iterations
1088 * loop.c (strength_reduce): Declare new structure loop_iteration_info
1089 and new pointer loop_info.
1090 (loop_n_iterations): Replace global variable by element in
1091 loop_info structure.
1092 (check_final_value): New argument n_iterations.
1093 (insert_bct): New argument loop_info.
1094 (loop_unroll_factor): Replace global array by element in
1095 loop_info structure.
1096 (loop_optimize): Remove code to allocate and initialise
1097 loop_unroll_factor_array.
1098 * unroll.c (precondition_loop_p): No longer static since
1099 used by branch on count optimization.
1100 (precondition_loop_p, unroll_loop): New argument loop_info.
1101 (final_biv_value, final_giv_value, find_splittable_regs): New
1102 argument n_iterations.
1103 (loop_iteration_var, loop_initial_value, loop_increment,
1104 loop_final_value, loop_comparison_code, loop_unroll_factor):
1105 Replaced global variables by loop_info structure.
1106 (loop_unroll_factor): Replace global array by element in
1107 loop_info structure.
1109 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1111 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
1114 * unroll.c (precondition_loop_p): Return loop_initial_value
1115 for initial_value instead of loop_iteration_var.
1117 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1119 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
1120 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
1121 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
1122 to output the instruction sequences.
1124 (rptb_top): Provide alternatives to use any register or memory
1126 (rptb_end): Emit use of operands rather than assigning them
1127 explicitly to the RS and RE registers.
1129 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1131 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
1132 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
1133 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
1134 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
1135 c4x_merge_notes, c4x_parallel_process,
1136 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
1137 c4x_combine_parallel): Delete.
1139 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1141 * config/c4x/c4x.c: (c4x_override_options): For compatibility
1142 with old target options clear flag_branch_on_count_reg if
1143 -mno-rptb specified and set flag_argument_alias is -mno-aliases
1145 (c4x_output_cbranch): Handle a sequence of insns rather than a
1147 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
1148 has not been allocated as the loop counter.
1149 (c4x_address_conflict): Do not allow two volatile memory references.
1150 (valid_parallel_operands_4, valid_parallel_operands_5,
1151 valid_parallel_operands_6): Reject pattern if the register destination
1152 of the first set is used as part of an address in the second set.
1154 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1156 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
1157 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
1158 is no longer enabled if PARALLEL_MPY_FLAG set.
1159 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
1160 (REG_CLASS_CONTENTS): Add braces around initializers.
1161 (HAVE_MULTIPLE_PACK): Define.
1162 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
1163 REAL_VALUE_TO_DECIMAL.
1164 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
1165 REAL_VALUE_TO_DECIMAL.
1166 (ar0_reg_operand): Add prototype.
1167 (ar0_mem_operand): Likewise.
1168 (ar1_reg_operand): Likewise.
1169 (ar1_mem_operand): Likewise.
1170 (ar2_reg_operand): Likewise.
1171 (ar2_mem_operand): Likewise.
1172 (ar3_reg_operand): Likewise.
1173 (ar3_mem_operand): Likewise.
1174 (ar4_reg_operand): Likewise.
1175 (ar4_mem_operand): Likewise.
1176 (ar5_reg_operand): Likewise.
1177 (ar5_mem_operand): Likewise.
1178 (ar6_reg_operand): Likewise.
1179 (ar6_mem_operand): Likewise.
1180 (ar7_reg_operand): Likewise.
1181 (ar7_mem_operand): Likewise.
1182 (ir0_reg_operand): Likewise.
1183 (ir0_mem_operand): Likewise.
1184 (ir1_reg_operand): Likewise.
1185 (ir1_mem_operand): Likewise.
1186 (group1_reg_operand): Likewise.
1187 (group1_mem_operand): Likewise.
1188 (ir1_reg_operand): Likewise.
1189 (arx_reg_operand): Likewise.
1190 (not_rc_reg): Likewise.
1191 (not_modify_reg): Likewise.
1192 (c4x_group1_reg_operand): Remove prototype.
1193 (c4x_group1_mem_operand): Likewise.
1194 (c4x_arx_reg_operand): Likewise.
1196 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
1198 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
1199 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
1201 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1203 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
1206 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1208 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
1209 unless FMOVD_WORKS is defined.
1211 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1213 * regclass.c (init_reg_sets): Move code that calculates tables
1214 dependent on reg_class_contents from here...
1215 (init_reg_sets_1): To here.
1217 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1219 * cpplib.h: Delete struct import_file. Add ihash element to
1220 struct cpp_buffer. Delete dont_repeat_files and
1221 import_hash_table elements from cpp_reader; change
1222 all_include_files to a hash table. Delete all foobar_include
1223 / last_foobar_include elements from struct cpp_options; put
1224 back four such: quote_include, bracket_include,
1225 system_include, after_include. Redo struct file_name_list
1226 completely. Add new structure type include_hash. Add
1227 prototypes for merge_include_chains and include_hash. Change
1228 prototypes for finclude, find_include_file, and
1229 append_include_chain to match changes below.
1231 * cppfiles.c (simplify_pathname, include_hash,
1232 remap_filename, merge_include_chains): New functions.
1233 (add_import, lookup_import, open_include_file): Removed.
1234 (INO_T_EQ): Define this (copied from cccp.c).
1235 (hack_vms_include_specification): Remove all calls and #if 0
1236 out the definition. It was being called incorrectly and at
1237 the wrong times. Until a VMSie can look at this, it's better
1238 to not pretend to support it.
1239 (append_include_chain): Change calling convention; now takes
1240 only one directory at a time, and sets up the data structure
1242 (redundant_include_p): Rewritten - this is now used for all
1243 include redundancy, whether by #ifndef, #import, or #pragma
1244 once. Looks up things in the include hash table.
1245 (file_cleanup): Decrement pfile->system_include_depth here if
1247 (find_include_file): Calling convention changed; now passes
1248 around a struct include_hash instead of 3 separate parameters.
1249 Guts ripped out and replaced with new include_hash mechanism.
1250 (finclude): Calling convention changed as for
1251 find_include_file. Error exits pulled out-of-line. Reformat.
1252 (safe_read): Return a long, not an int.
1253 (deps_output): Don't recurse.
1255 * cpplib.c (is_system_include): Deleted.
1256 (path_include): Fix up call to append_include_chain.
1257 (do_include): Fix up calls to find_include_file and finclude.
1258 Clean up dependency output a bit. Shorten obnoxiously lengthy
1259 #import warning message. Don't decrement
1260 pfile->system_include_depth here.
1261 (do_pragma): Understand the include_hash structure. Reformat.
1262 (do_endif): Correct handling of control macros. Understand
1264 (cpp_start_read): Fix up calls to finclude. Call
1265 merge_include_chains.
1266 (cpp_handle_option): Fix up calls to append_include_chain.
1267 Understand the four partial include chains.
1268 (cpp_finish): Add debugging code (#if 0-ed out) for the
1270 (cpp_cleanup): Free the include_hash, not the import hash and
1271 the all_include and dont_repeat lists which no longer exist.
1273 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
1275 * toplev.c (no_new_pseudos): Define.
1276 (rest_of_compilation): Set no_new_pseudos as needed.
1277 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
1278 if no_new_pseudos is set.
1279 * rtl.h (no_new_pseudos): Declare it.
1280 * reload1.c (reload): Update comments.
1281 * md.texi: Corresponding changes.
1283 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1285 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
1286 (choose_reload_regs): Rename it here as well. When computing it,
1287 also merge in used hardregs.
1289 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1291 * gcc.c: Split out Objective-C specs to...
1292 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
1295 * c-lex.c (init_parse): Always initialize the filename global.
1296 * objc/objc-act.c (lang_init): Always call check_newline at
1299 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
1301 * reload1.c (reload): Remove unused variable.
1302 (reload_reg_free_for_value_p): Add missing parameter definition.
1304 * jump.c (jump_optimize): Remove unused variable.
1306 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
1308 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
1310 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
1312 * expr.c (move_by_pieces): Similarly.
1313 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
1314 * flow.c (find_auto_inc): Similarly.
1315 (try_pre_increment): Similarly.
1316 * loop.c (strength_reduce): Similarly.
1317 * regclass.c (auto_inc_dec_reg_p): Similarly.
1318 * regmove.c (try_auto_increment): Similarly.
1319 (fixup_match_1): Similarly.
1320 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
1321 (HAVE_PRE_DECREMENT): Similarly.
1322 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
1323 * Corresponding changes to all target header files.
1324 * tm.texi: Update docs for autoinc addressing modes.
1326 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
1328 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
1329 * configure: Rebuild.
1330 * config/elfos.h: New file.
1331 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
1332 config/m68k/t-m68kelf: New file.
1334 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
1336 * Makefile.in (HOST_AR): Define.
1337 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
1338 (libcpp.a): Use the host tools explicitly.
1339 (STAGESTUFF): Add libcpp.a.
1341 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
1343 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
1344 to source and destination registers.
1346 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
1348 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
1349 The strategy we now use is to pre allocate the top_elt along
1350 with the EH context so that each thread has its own top_elt.
1351 This is necessary as the dynmanic cleanup chain is used on the
1352 top element of the stack and each thread MUST have its own.
1353 (eh_context_static): Likewise.
1354 (new_eh_context): Likewise.
1355 (__sjthrow): Likewise.
1357 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
1359 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
1360 * i386.md (prologue_get_pc): Remove unused variable.
1362 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
1364 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
1366 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
1368 * Makefile.in (OBJS): Add graph.o
1369 (graph.o): New dependency list.
1370 * flags.h: Declare dump_for_graph and define graph_dump_types type.
1371 * print-rtl.c (dump_for_graph): Define new variable.
1372 (print_rtx): Rewrite to allow use in graph dumping functions.
1373 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
1374 finish_graph_dump_file.
1375 Define graph_dump_format.
1376 (compile_file): If graph dumping is enabled also clear these files.
1377 Finish graph dump files.
1378 (rest_of_compilation): Also dump graph information if enabled.
1379 (main): Recognize -dv to enabled VCG based graph dumping.
1380 * graph.c: New file. Graph dumping functions.
1382 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
1384 * configure.in: Look for <sys/stat.h>.
1385 * system.h: Include it before substitute S_ISREG definitions.
1387 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
1389 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
1390 * config/mips/iris6.h: Same.
1391 * config/mips/mips.md: Same.
1392 * config/mips/mips.c: Same; also add "-mabi=o64" option.
1393 * config/mips/mips.h: Same; also define ABI_O64.
1395 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1397 * configure.in: Use AC_PREREQ(2.12.1).
1399 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
1401 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
1402 * cpplib.c, gcc.c: Likewise.
1403 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
1405 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
1407 * local-alloc.c (local_alloc): Use malloc not alloca for
1408 reg_qty, reg_offset, ref_next_in_qty.
1410 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1412 * caller-save.c (insert_one_insn): Initialize the live_before and
1413 live_after register sets.
1417 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
1418 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
1419 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
1420 (fp_reg_names, assembler_dialect): New variables.
1421 (print_operand_address): Handle SUBREGs.
1422 (print_operand): Added 'o' case.
1423 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
1424 Name of FP registers depends on mode.
1425 (expand_block_move): Emit different code for SH4 hardware.
1426 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
1427 (from_compare): Likewise.
1428 (add_constant): New argument last_value. Changed all callers.
1429 (find_barrier): Don't try HImode load for FPUL_REG.
1430 (machine_dependent_reorg): Likewise.
1431 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
1432 (gen_far_branch): Emit a barrier after the new jump.
1433 (barrier_align): Don't trust instruction lengths before
1435 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
1436 Use auto-inc addressing for fp registers if doubles need to
1437 be loaded in two steps.
1438 Set sh_flag_remove_dead_before_cse.
1439 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
1440 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
1441 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
1442 Support for FIRST_XD_REG .. LAST_XD_REG.
1443 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
1444 (sh_expand_epilogue): Likewise.
1445 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
1446 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
1447 (arith_reg_operand): FPUL_REG is OK for SH4.
1448 (fp_arith_reg_operand, fp_extended_operand) New functions.
1449 (tertiary_reload_operand, fpscr_operand): Likewise.
1450 (commutative_float_operator, noncommutative_float_operator): Likewise.
1451 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
1452 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
1453 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
1454 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
1455 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
1456 (CONDITIONAL_REGISTER_USAGE): Likewise.
1457 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
1458 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
1459 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
1460 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
1461 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
1462 to -1 and sh_flag_remove_dead_before_cse to 1.
1463 (ASSEMBLER_DIALECT): Define to assembler_dialect.
1464 (assembler_dialect, fp_reg_names): Declare.
1465 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
1466 Hide names of registers that are not accessible.
1467 (CACHE_LOG): Take TARGET_CACHE32 into account.
1468 (LOOP_ALIGN): Take TARGET_HARWARD into account.
1469 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
1470 (FIRST_PSEUDO_REGISTER: Now 49.
1471 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
1472 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
1473 (HARD_REGNO_MODE_OK): Update.
1474 (enum reg_class): Add DF_REGS and FPSCR_REGS.
1475 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
1476 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
1477 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
1478 (NPARM_REGS): Eight floating point parameter registers on SH4.
1479 (BASE_RETURN_VALUE_REG): SH4 also passes double values
1480 in floating point registers.
1481 (GET_SH_ARG_CLASS) Likewise.
1482 Complex float types are also returned in float registers.
1483 (BASE_ARG_REG): Complex float types are also passes in float registers.
1484 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
1485 (LIBCALL_VALUE): Remove trailing semicolon.
1486 (ROUND_REG): Round when double precision value is passed in floating
1488 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
1489 passed on the stack.
1490 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
1491 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
1492 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
1493 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
1494 (MODE_DISP_OK_8): Not for SH4 DFmode.
1495 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
1496 Allow indexed addressing for PSImode after reload.
1497 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
1498 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
1499 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
1500 (DOUBLE_TYPE_SIZE): 64 for SH4.
1501 (RTX_COSTS): Add PLUS case.
1502 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
1503 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
1504 MAC_REGS, PR_REGS, DF_REGS.
1505 (REGISTER_NAMES): Use fp_reg_names.
1506 (enum processor_type): Add PROCESSOR_SH4.
1507 (sh_flag_remove_dead_before_cse): Declare.
1508 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
1509 (PREDICATE_CODES): Add binary_float_operator,
1510 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
1511 fpscr_operand, noncommutative_float_operator.
1512 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
1513 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
1514 * sh.md (attribute cpu): Add value sh4.
1515 (attrbutes fmovd, issues): Define.
1516 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
1517 (function units memory, int, mpy, fp): Make dependent on issue rate.
1518 (function units issue, single_issue, load_si, load): Define.
1519 (function units load_store, fdiv, gp_fpul): Define.
1520 (attribute hit_stack): Provide proper default.
1521 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
1522 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
1523 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
1524 (mulsi3_call): Now uses match_operand for function address.
1525 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
1527 (push, pop, push_e, pop_e): Now define_expands.
1528 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
1529 (movsi_ie): Added y/i alternative.
1530 (ic_invalidate_line_i, movdf_i4): New insns.
1531 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
1532 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
1533 (movdf): Add special code for SH4.
1534 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
1535 (call_valuei, calli, call_value): Likewise.
1536 (movsf): Emit no-op move.
1537 (mov_nop, movsi_y): New insns.
1538 (blt, sge): generalize to handle DFmode.
1539 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
1540 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
1541 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
1542 (fpu_switch0, fpu_switch1, movpsi): New expanders.
1543 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
1544 (toggle_sz): New insn.
1545 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
1546 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
1547 (macsf3): Make use of fpscr visible. Disable for SH4.
1548 (floatsisf2): Make use of fpscr visible.
1549 (floatsisf2_i4): New insn.
1550 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
1551 (ieee_ccmpeqsf_t): Likewise.
1552 (fix_truncsfsi2): Emit different code for SH4.
1553 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
1554 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
1555 (negsf2, sqrtsf2, abssf2): Now expanders.
1556 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
1557 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
1558 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
1559 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
1560 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
1561 (fix_truncdfsi2_i4_2+1): New splitters.
1562 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
1563 (extendsfdf2, truncdfsf2): New expanders.
1564 (truncdfsf2_i4): New insn.
1565 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
1566 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
1567 * float-sh.h: When testing for __SH3E__, also test for
1568 __SH4_SINGLE_ONLY__ .
1569 * va-sh.h (__va_freg): Define to float.
1570 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
1571 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
1572 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
1573 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
1575 (TARGET_SH4_P): Define.
1578 * sh.md (movdf_k, movsf_i): Tweak the condition so that
1579 init_expr_once is satisfied about the existence of load / store insns.
1581 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
1582 change m constraint in source operand to mr / mf .
1584 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
1586 * (__VA_REEF): Define.
1587 (__va_arg_sh1): Use it.
1589 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
1591 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
1593 * i386/dgux.c (struct option): Add new "description field".
1594 * m88k/m88k.c (struct option): Likewise.
1596 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
1598 * version.c: Bump for snapshot.
1600 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1602 * regmove.c (regmove_profitable_p): Use return value of find_matches
1605 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
1607 * version.c: Bump for snapshot.
1609 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
1611 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
1612 without reload having been called earlier.
1614 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
1616 (v850_reorg): Similarly.
1618 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
1620 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1622 * loop.c (move_movables): Start of libcall might be new loop start.
1624 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1626 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
1628 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1630 * function.c (nonlocal_goto_handler_slots): Renamed from
1631 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
1632 (push_function_context_to): Adjust for this change.
1633 (pop_function_context_from): Likewise.
1634 (init_function_start): Likewise.
1635 (expand_function_end): Likewise.
1636 * function.h (struct function): Likewise.
1637 * calls.c (expand_call): Likewise.
1638 * explow.c (allocate_dynamic_stack_space): Likewise.
1639 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
1640 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
1642 (expand_goto): When doing a nonlocal goto, find corresponding handler
1643 slot for it. Don't put the label address in the static chain register.
1644 (expand_end_bindings): Break out nonlocal goto handling code into
1645 three new functions.
1646 (expand_nl_handler_label, expand_nl_goto_receiver,
1647 expand_nl_goto_receivers): New static functions, broken out of
1648 expand_end_bindings and adapted to create one handler per nonlocal
1650 * function.c (delete_handlers): Delete insn if it references any of
1651 the nonlocal goto handler slots.
1652 * i960.md (nonlocal_goto): Comment out code that modifies
1654 * sparc.md (nonlocal_goto): Likewise.
1655 (goto_handler_and_restore_v9): Comment out.
1656 (goto_handler_and_restore_v9_sp64): Comment out.
1658 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1660 * expr.c (STACK_BYTES): Delete unused macro.
1661 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
1662 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1663 (expand_call): Likewise.
1664 (emit_library_call): Likewise.
1665 (emit_library_call_value): Likewise.
1666 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
1667 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1668 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
1669 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1670 (allocate_dynamic_stack_space): Likewise.
1671 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
1672 (STACK_BOUNDARY): Update description to reflect the new situation.
1674 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
1676 * reorg.c (relax_delay_slots): When optimizing for code size, if a
1677 return with a filled delay slot is followed by a return with an
1678 unfilled delay slot, delete the first return and reemit the insn
1679 that was previously in its delay slot.
1681 * i860.c (single_insn_src_p): Add missing parens.
1682 * ginclude/math-3300.h: Likewise.
1684 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
1686 * regclass.c (init_reg_sets_1): Add prototype.
1687 (init_reg_modes): Likewise.
1689 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
1691 * c-common.c: Change warning messages to say `comparison is
1692 always true' or `comparison is always false' instead of the
1693 confusing `is always 0', `is always 1'.
1695 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
1697 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
1698 break instead of return (which loses closing '>').
1700 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
1702 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
1703 standard 387 constants.
1705 * i386.md (jump): Explicitly set "memory" attribute.
1706 (indirect_jump, prologue_set_stack_ptr): Likewise.
1707 (prologue_get_pc_and_set_got, pop): Likewise.
1708 (allocate_stack_worder, blockage, return_internal): Likewise.
1709 (return_pop_internal, nop): Likewise.
1710 (epilogue_set_stack_ptr, leave): Likewise.
1712 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
1714 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
1716 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1718 * reload1.c (reload_reg_free_for_value_p):
1719 Early auto_inc reloads don't conflict with outputs.
1721 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1723 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
1724 Instead call AC_HEADER_SYS_WAIT.
1726 * collect2.c: Don't provide defaults for sys/wait.h macros.
1728 * protoize.c: Likewise. Also, don't include sys/wait.h.
1730 * system.h: Include sys/wait.h and provide macro defaults.
1732 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1734 * Makefile.in (mandir): Set to @mandir@.
1735 (man1dir): New variable to hold the former value of $(mandir).
1736 Replace all uses of $(mandir) by $(man1dir).
1738 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
1740 * reload.c (find_reloads_address_part): If have a CONST_INT, create
1741 a new one before passing it to force_const_mem.
1743 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
1744 find_reloads_address call.
1746 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1748 * expr.c (store_expr): Don't generate load-store pair
1749 if TEMP is identical (according to ==) with TARGET.
1751 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1753 * reload1.c (reload_reg_free_for_value_p): When considered reload
1754 has an output, matching inputs are not sufficient to avoid conflict.
1756 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
1758 * hash.h (hash_table_key): New type.
1759 (hash_entry): Change `string' field to generic `key'.
1760 (hash_table): Add `comp' and `hash' functions.
1761 (hash_table_init): Take them as input.
1762 (hash_table_init_n): Likewise.
1763 (hash_lookup): Modify for generic keys.
1764 (hash_newfunc): Likewise.
1765 (hash_traverse): Likewise.
1766 (string_hash): New function.
1767 (string_compare): Likewise.
1768 (string_copy): Likewise.
1769 * hash.c (hash_table_init_n): Modify for generic keys.
1770 (hash_table_init): Likewise.
1771 (hash_lookup): Likewise.
1772 (hash_newfunc): Likewise.
1773 (hash_traverse): Likewise.
1774 (string_hash): Split out from hash_lookup.
1775 (string_compare): New function.
1776 (string_copy): Split out from hash_lookup.
1777 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
1779 (symbol_hash_lookup): Likewise.
1780 (file_hash_newfunc): Likewise.
1781 (file_hash_lookup): Likewise.
1782 (demangled_hash_newfunc): Likewise.
1783 (demangled_hash_lookup): Likewise.
1784 (tlink_int): Likewise.
1785 (read_repo_file): Likewise.
1786 (recompile_files): Likewise.
1787 (demangle_new_symbols): Likewise.
1788 (scan_linker_output): Likewise.
1790 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1792 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
1794 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
1796 * rs6000.c (output_mi_thunk): Improve test for local branch.
1798 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1800 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
1802 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1804 * reload1.c (reload_reg_free_before_p): Delete.
1805 Changed all callers to use reload_reg_free_for_value_p instead.
1806 (reload_reg_free_for_value_p): Handle more reload types.
1807 A RELOAD_FOR_INPUT doesn't conflict with its
1808 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
1809 Add special case for OUT == const0_rtx.
1810 Added ignore_address_reloads argument. Changed all callers.
1812 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
1814 * toplev.c (compile_file): Don't pedwarn about undefined static
1815 functions just because we passed -Wunused.
1817 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1819 * function.c (purge_addressof_1): Unshare rtl created by
1822 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1824 * regmove.c (regmove_optimize): Don't do anything but
1825 optimize_reg_copy[123] when flag_regmove is not set.
1827 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
1829 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
1830 value in paradoxical SImode result, rather than truncating midpoint.
1832 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
1834 * alpha.c (reg_not_elim_operand): New.
1835 * alpha.h (PREDICATE_CODES): Add it.
1836 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
1837 for the multiplicand.
1839 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
1841 * rs6000.md (movsf): Remove explicit secondary-reload-like
1842 functionality. Only truncate SFmode store if in FPR.
1843 (movsf splitters): Combine const_double splitters.
1844 (movsf_hardfloat): Add GPR support.
1846 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
1848 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
1849 deprecate -mlive-g0 and -mbroken-saverestore.
1850 * t-splet (MULTILIB_OPTIONS): Likewise.
1852 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
1853 in a leaf function. Clarify total_size/extra_size relationship.
1855 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
1857 * i386/cygwin32.asm: Delete.
1858 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
1859 * i386/cygwin32.h: Delete.
1860 * i386/cygwin.h: New file, renamed from cygwin32.h.
1861 * i386/t-cygwin32: Delete.
1862 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
1863 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
1864 * i386/x-cygwin32: Delete.
1865 * i386/x-cygwin: New file, renamed from x-cygwin32.
1866 * i386/xm-cygwin32: Delete.
1867 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
1868 renamed cygwin_ funcs for path translations.
1869 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
1870 * i386/winnt.c: Remove "32" from comment about cygwin.
1871 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
1872 * rs6000/cygwin32.h: Delete.
1873 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
1874 -D__CYGWIN__ to CPP_PREDEFINES.
1875 * rs6000/x-cygwin32: Delete.
1876 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
1877 * rs6000/xm-cygwin32: Delete.
1878 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
1880 * configure.in: Check for cygwin* instead of cygwin32. Account
1881 for the rename of cygwin-related config files to lose the "32"s.
1882 * configure: Regenerate.
1884 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
1885 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
1887 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
1889 * Makefile.in (JAVAGC): New macro.
1890 * configure: Rebuilt.
1891 * configure.in: Recognize --enable-java-gc argument. Subst
1894 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1896 Handle equivalences that have been obscured by gcse:
1898 * reload1.c (reload): Handle equivalences set up in multiple places.
1899 * local-alloc.c (reg_equiv_init_insns): New variable.
1900 (no_equiv): New function.
1901 (update_equiv_regs): Handle equivalences set up in multiple places.
1902 Don't ignore an insn just because its destination is likely to be
1905 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
1907 * except.c (expand_eh_return): Readd force_operand call lost in
1910 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
1912 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
1914 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1916 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
1918 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1920 * regmove.c (regmove_optimize): Fix error in last change.
1922 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
1924 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
1925 offset in the .mask pseudo to compensate for frame pointer adjustments.
1926 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
1927 word swap arguments moved to/from FP registers.
1928 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
1930 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
1932 * version.c: Bump for snapshot.
1934 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
1936 * version.c: Bump for snapshot.
1938 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
1940 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
1941 times, then it can not be completely replaced.
1943 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
1945 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
1947 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1949 * gansidecl.h: Prepend a "G" to the macro wrapping this file
1950 (to distinguish it from the macro wrapping ansidecl.h.)
1951 Include libiberty's ansidecl.h. Remove all redundant definitions.
1952 Define the PROTO() style macros in terms of the PARAMS() ones.
1955 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
1956 __STDC__, when deciding whether to use ANSI variable args.
1957 (emit_library_call_value): Likewise.
1959 * cccp.c (error): Likewise.
1960 (warning): Likewise.
1961 (error_with_line): Likewise.
1962 (warning_with_line): Likewise.
1963 (pedwarn): Likewise.
1964 (pedwarn_with_line): Likewise.
1965 (pedwarn_with_file_and_line): Likewise.
1968 * cexp.y (error): Likewise.
1969 (pedwarn): Likewise.
1970 (warning): Likewise.
1972 * collect2.c (fatal_perror): Likewise.
1976 * combine.c (gen_rtx_combine): Likewise.
1978 * cpperror.c (cpp_message): Likewise.
1979 (cpp_fatal): Likewise.
1981 * cpplib.c (cpp_error): Likewise.
1982 (cpp_warning): Likewise.
1983 (cpp_pedwarn): Likewise.
1984 (cpp_error_with_line): Likewise.
1985 (cpp_warning_with_line): Likewise.
1986 (cpp_pedwarn_with_line): Likewise.
1987 (cpp_pedwarn_with_file_and_line): Likewise.
1989 * cpplib.h: Don't define PARAMS() macro.
1991 * demangle.h: Likewise.
1993 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
1994 when deciding whether to use ANSI variable args.
1996 * emit-rtl.c (gen_rtx): Likewise.
1997 (gen_rtvec): Likewise.
1999 * final.c (asm_fprintf): Likewise.
2001 * fix-header.c (cpp_message): Likewise.
2003 (cpp_fatal): Likewise.
2005 * gcc.c (concat): Likewise.
2009 * genattr.c (fatal): Likewise.
2011 * genattrtab.c (attr_rtx): Likewise.
2012 (attr_printf): Likewise.
2015 * gencodes.c (fatal): Likewise.
2017 * genconfig.c (fatal): Likewise.
2019 * genemit.c (fatal): Likewise.
2021 * genextract.c (fatal): Likewise.
2023 * genflags.c (fatal): Likewise.
2025 * genopinit.c (fatal): Likewise.
2027 * genoutput.c (fatal): Likewise.
2030 * genpeep.c (fatal): Likewise.
2032 * genrecog.c (fatal): Likewise.
2034 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
2035 deciding whether to declare `tree_node' and `rtx_def'.
2037 * hash.h: Don't define stuff we get from gansidecl.h.
2039 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
2040 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2041 whether to use ANSI variable args.
2044 * prefix.c (concat): Likewise.
2048 * system.h: Likewise.
2050 * toplev.c (error_with_file_and_line): Likewise.
2051 (error_with_decl): Likewise.
2052 (error_for_asm): Likewise.
2055 (warning_with_file_and_line): Likewise.
2056 (warning_with_decl): Likewise.
2057 (warning_for_asm): Likewise.
2058 (warning): Likewise.
2059 (pedwarn): Likewise.
2060 (pedwarn_with_decl): Likewise.
2061 (pedwarn_with_file_and_line): Likewise.
2063 (really_sorry): Likewise.
2065 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2066 whether to declare `tree_node' and `rtx_def'.
2068 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
2069 deciding whether to use ANSI variable args.
2070 (build_nt): Likewise.
2071 (build_parse_node): Likewise.
2073 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
2075 * version.c: Bump for snapshot.
2077 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2079 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
2081 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2083 * collect2.c (main, case 'b'): Use else if.
2085 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2087 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
2088 Arrange to include gansidecl.h in {ht}config.h & tm.h just
2089 before the config/ directory headers.
2090 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
2091 gansidecl.h in the list of dependencies.
2093 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
2094 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
2095 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
2096 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
2097 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
2098 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
2101 * cccp.c: Don't include gansidecl.h.
2103 * collect2.c: Likewise.
2104 * config/c4x/c4x.c: Likewise.
2105 * config/v850/v850.h: Likewise.
2106 * cppalloc.c: Likewise.
2107 * cpperror.c: Likewise.
2108 * cppexp.c: Likewise.
2109 * cppfiles.c: Likewise.
2110 * cpphash.c: Likewise.
2111 * cpplib.c: Likewise.
2112 * cppmain.c: Likewise.
2113 * cppulp.c: Likewise.
2114 * demangle.h: Likewise.
2115 * doprint.c: Likewise.
2116 * dyn-string.c: Likewise.
2117 * eh-common.h: Likewise.
2118 * fix-header.c: Likewise.
2119 * frame.c: Likewise.
2122 * gen-protos.c: Likewise.
2123 * gencheck.c: Likewise.
2124 * halfpic.h: Likewise.
2126 * machmode.h: Likewise.
2127 * mbchar.c: Likewise.
2128 * prefix.c: Likewise.
2129 * protoize.c: Likewise.
2130 * recog.h: Likewise.
2132 * scan-decls.c: Likewise.
2134 * varray.h: Likewise.
2136 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
2138 * i386.md (call_value_pop): If we're not popping anything,
2139 defer to call_value.
2140 (call_pop): Likewise defer to call.
2142 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
2144 * function.c (purge_addressof): Clear purge_addressof_replacements
2145 only after processing the whole function.
2147 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
2149 * reload1.c (reload): If we can not perform a particular elimination
2150 when we thought we could earlier, then we must always iterate through
2151 the loop at least one more time.
2153 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
2155 * alpha.c (add_operand): Simplify the CONST_INT match.
2156 (sext_add_operand): Correct typo in comparison by using
2157 CONST_OK_FOR_LETTER_P.
2158 * alpha.md (s?addq): Use sext_add_operand to allow the negative
2159 constant alternatives to be generated.
2160 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
2161 small constants, since the hw instructions do.
2163 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2165 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
2166 previous insn to store directly into our reload register, make sure
2167 that if the source of the previous insn is a reload register, its
2168 spill_reg_store and spill_reg_stored_to values are cleared.
2170 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
2172 * rs6000.md (floatunssidf2_internal splitter): Use base register
2173 operand, not hard-coded SP.
2175 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2177 * jump.c (calculate_can_reach_end): Fix thinko.
2179 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
2181 * reorg.c (fill_simple_delay_slots): Fix typo.
2183 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
2185 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
2187 * i386.md (extendsidi2): Use # in the output template.
2188 (extendsidi splitters): New splitters.
2190 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
2192 * configure.in: Use unknown-elf.h as tm_file for arm-elf
2194 * configure: Regenerate.
2196 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2198 * jump.c (init_label_info, delete_barrier_successors,
2199 mark_all_labels, delete_unreferenced_labels,
2200 delete_noop_moves, calculate_can_reach_end): New functions broken
2201 out of jump_optimize.
2202 (jump_optimize): Use them.
2204 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2206 * except.c (expand_fixup_region_end): Make sure outer context labels
2207 are not issued in an inner context during cleanups.
2209 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
2211 * alpha.md (addsi3, subsi3): No new temporaries once cse is
2214 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
2216 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
2217 to expose this midpoint to CSE.
2219 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2221 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
2223 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2225 * configure.in: Bring over gcc2 change of Nov 19 1997.
2227 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
2229 * toplev.c (output_lang_identify): Make definition dependent on
2230 ASM_IDENTIFY_LANGUAGE.
2232 * print-rtl.c (spaces): Make static.
2234 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
2236 * extend.texi: Clarify proper uses for register clobbers in asms.
2238 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2240 * recog.h (enum op_type): Define.
2241 (constrain_operands): Adjust prototype.
2242 (recog_op_type): Declare new variable.
2243 * recog.c (recog_op_type): New variable.
2244 (insn_invalid_p): Allow modifying an asm statement after reload.
2245 (extract_insn): Set up recog_op_type.
2246 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2247 Don't compute operand types, use recog_op_type.
2248 Use the information computed by extract_insn instead of the previous
2249 method of finding it by insn code number.
2250 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2251 * reorg.c (fill_slots_from_thread): Likewise.
2252 * reload1.c (reload_as_needed): Likewise.
2253 (gen_reload): Likewise.
2254 (inc_for_reload): Likewise.
2255 (reload_cse_simplify_operands): Likewise.
2256 Use the information computed by extract_insn instead of the previous
2257 method of finding it by insn code number.
2258 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
2260 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
2261 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
2262 Use the information computed by extract_insn instead of the previous
2263 method of finding it by insn code number.
2264 * regmove.c (find_matches): Likewise. Change meaning of the return
2265 value to be nonzero if the optimization can be performed, zero if
2266 not. All callers changed.
2267 Shorten some variable names to fix formatting problems.
2268 (regmove_optimize): Shorten some variable names to fix formatting
2270 Use the information computed by extract_insn instead of the previous
2271 method of finding it by insn code number.
2272 * regclass.c (scan_one_insn): Likewise.
2273 (record_reg_classes): Don't compute operand types, use recog_op_type.
2274 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
2275 recog_constraints instead.
2277 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
2279 * rtl.h (flow2_completed): Declare.
2280 * flow.c (flow2_completed): Definition.
2281 * toplev.c (rest_of_compilation): Set and clear flow2_completed
2284 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2286 * Makefile.in (libcpp.a): Ranlib libcpp.a
2288 * cppulp.c (user_label_prefix): Initialize.
2290 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
2292 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
2293 at a RETURN if current_function_sp_is_unchanging is set.
2295 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2297 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
2299 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
2301 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
2302 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
2303 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
2304 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
2305 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
2306 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
2308 (LIB_SPEC): Handle -mno-cyginw option.
2309 (LINK_SPEC): Handle -mdll.
2311 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2313 * reload.c (find_reloads): Fix test for usage by other reload
2314 to handle secondary reloads properly.
2316 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2318 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
2319 intermediate structure which has exactly the members provided by
2320 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
2321 static intermediate structure.
2323 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
2324 from the intermediate structure. Do the same analogous fix in
2325 the case where ELIMINABLE_REGS is not defined.
2327 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
2329 * pa.h (SELECT_SECTION): Fix thinko.
2331 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
2333 * dwarf2out.c (output_call_frame_info): Comments on last change.
2335 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
2337 * arm.c (add_constant): When taking the address of an item in the
2338 pool, get the mode of the item addressed.
2340 * arm.c (final_prescan_insn case INSN): If an insn doesn't
2341 contain a SET or a PARALLEL, don't consider it for conditional
2344 Restore ABI compatibility for NetBSD.
2345 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
2347 (RETURN_IN_MEMORY): Likewise.
2349 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
2351 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
2352 (m32r_output_block_move): Rewrite bytes < 4 handling.
2354 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2356 * configure.in: Call AC_FUNC_VFORK.
2358 * collect2.c: Define VFORK_STRING as a printable string for
2359 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
2360 defined, include vfork.h. If VMS is defined, define vfork()
2361 appropriately. Remove vfork check on USG, we're using autoconf.
2362 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
2363 checking locally what string to pass.
2364 (scan_prog_file): Likewise.
2365 (scan_libraries): Likewise.
2367 * gcc.c: Remove vfork check on USG, we're using autoconf.
2368 Besides, no calls to vfork/fork occur in this file.
2370 * protoize.c: Likewise.
2372 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2374 * configure.in (DEFAULT_LINKER): renamed from LD
2375 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
2376 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
2377 * configure: rebuilt
2379 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2381 * BUGS: fix the regexp for `more' to find the appropriate node.
2382 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
2384 * BUGS: added link to the WWW FAQ
2386 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
2388 * version.c: Bump for snapshot.
2390 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
2392 * From Christian Gafton:
2393 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
2394 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
2395 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
2397 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
2399 * c-common.c (c_get_alias_set): Allow all type-punning through
2400 unions. Don't get confused about the type of a bit-field, despite
2401 the antics of build_modify_expr.
2403 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
2405 * fixinc.sco: Paramaterize #include_next values.
2406 * fixinc/fixinc.sco: Likewise.
2408 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
2410 * toplev.c (rest_of_compilation): No longer set reload_completed.
2411 * reload1.c (reload): Set it here. Perform instruction splitting
2412 after reload has completed if we will be running the scheduler
2415 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
2417 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
2418 EH region if exceptions are enabled and we're performing cross
2420 (find_cross_jump): Exit loop if the insns are in different EH regions.
2422 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
2424 * dwarf2out.c (output_call_frame_info): Use
2425 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
2427 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2429 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
2430 * c-common.c (check_format_info): Don't check for the 'x'
2431 format character twice, instead check for 'x' and 'X'
2433 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
2435 * configure.in (assembler features): Also make gas is configured if
2436 we find it in the souce tree.
2438 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
2440 * i386.c (i386_comp_type_attributes): Compare whether the
2441 attributes are defined, not their tree nodes.
2443 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2445 * configure.in (gxx_include_dir): bitten by autoconf quoting
2447 * configure: rebuilt
2449 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2451 * configure.in: Ignore non-absolute value in $AS.
2453 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
2455 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
2457 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
2459 * configure.in (msdosdjgpp): Set exeext and target_alias.
2461 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2463 * flow.c (XNMALLOC): New macro.
2464 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
2466 (add_edge, add_edge_to_label): New static functions.
2467 (free_bb_memory): New function.
2468 (flow_delete_insn): Delete function.
2469 (basic_block_drops_in): Delete variable.
2470 (find_basic_blocks): Allocate and initialize basic_block_head,
2471 basic_block_succ. Don't allocate basic_block_drops_in.
2472 Call free_bb_memory at the beginning.
2473 (find_basic_blocks_1): Don't do multiple passes.
2474 Delete code to compute basic_block_drops_in.
2475 After calling make_edges, mark blocks reached by current block live.
2476 Update test for unreachable live blocks.
2477 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
2479 Simplify to call add_edge_to_label when a LABEL_REF is found.
2480 (make_edges): Simplify to call add_edge_to_label instead of
2481 mark_label_ref most of the time.
2482 Compute here whether control drops into the next block.
2483 (delete_unreachable_blocks): Return void. All callers changed.
2484 Delete unreachable blocks in reverse order.
2485 After deleting all unreachable blocks, renumber the remaining ones
2486 and update n_basic_blocks.
2487 (delete_block): Speed up deletion a bit.
2488 Don't set basic_block_drops_in for deleted blocks.
2489 (free_basic_block_vars): Don't free basic_block_drops_in.
2490 (life_analysis_1): Update to use new edge representation.
2491 (dump_flow_info): Delete code to print basic block info; call
2492 dump_bb_data instead.
2493 (compute_preds_succs): Delete code to recompute basic_block_drops_in
2494 and uid_block_number.
2495 Simply copy the previously computed cfg.
2496 (dump_bb_data): New arg LIVE_INFO. All callers changed.
2497 Print register lifetime information if LIVE_INFO is nonzero.
2498 * basic-block.h (dump_bb_data): Adjust prototype.
2499 * gcse.c (gcse_main): Update call to dump_bb_data.
2500 * rtl.h (free_bb_memory): Declare.
2501 * toplev.c (rest_of_compilation): Call free_bb_memory.
2503 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
2504 (update_eliminable_offsets): Don't compute it.
2505 (set_initial_elim_offsets): Don't initialize it.
2506 Break out some code into set_initial_label_offsets so the rest of
2507 this function can be called from reload_as_needed.
2508 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
2509 ELIMINABLE_REGS isn't.
2510 (set_initial_label_offsets): New function, broken out of
2511 set_initial_elim_offsets.
2512 (set_offsets_for_label): New function, broken out of set_label_offsets
2513 and reload_as_needed.
2514 (reload): Call the two new functions.
2515 (reload_as_needed): Call set_initial_elim_offsets instead of
2516 duplicating the code. Likewise for set_offsets_for_label.
2518 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
2519 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
2520 any hard reg, reg_reloaded_dead contains valid data.
2522 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
2524 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
2525 "stdcall" and "cdecl" attributes.
2527 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
2529 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
2530 handle deleted no-op moves of hard registers.
2531 * haifa-sched.c (update_flow_info): Likewise.
2533 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
2535 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
2536 of the sequences to reload the HILO register which do not actually
2539 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
2541 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
2543 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2545 * except.c (emit_eh_context): Make the EH context register stay alive
2546 at -O0 so stupid.c doesn't get confused.
2548 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2550 * emit-rtl.c (try_split): Do not try to split a BARRIER.
2552 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
2553 Jeffrey A Law (law@cygnus.com)
2555 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
2556 (zero_extendsidi2): Use # in output template and handle completely by
2558 (zero_extend splitters): New define_splits.
2559 (ashiftrt_32): New pattern.
2561 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2563 * tree.c (append_random_chars): New fn.
2564 (get_file_function_name_long): Use it.
2566 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
2568 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
2569 (LIBCPP_OBJS): New. Add cppulp.o.
2570 (cppmain, fix-header): Depend on and use libcpp.a.
2571 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
2572 of the individual object files.
2573 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
2576 * cccp.c (user_label_prefix): New.
2577 (main): Set it off -f*leading-underscore.
2578 (special_symbol): Use it.
2579 * cpplib.c (special_symbol): Likewise.
2580 (cpp_handle_option): Handle -f*leading-underscore.
2581 * cppulp.c: New file.
2583 * output.h (user_label_prefix): Declare it.
2584 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
2585 * toplev.c (f_options, main): Handle -f*leading-underscore.
2587 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
2588 referencing USER_LABEL_PREFIX directly.
2589 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
2590 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
2591 * final.c (asm_fprintf): Use user_label_prefix instead.
2592 * arm/thumb.c (thumb_print_operand): Likewise.
2594 * gcc.c (default_compilers): Pass -f*leading-underscore on to
2595 cpp wherever appropriate.
2597 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
2599 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
2600 specific compiler switches.
2602 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
2604 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
2607 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2609 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
2610 structure which has exactly the members provided by EXTRA_SPECS.
2611 Xmalloc() the real `extra_specs', and initialize it from this
2612 intermediate structure.
2614 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
2616 * mips.h (EXTRA_SPECS): Likewise.
2618 * sparc.h (EXTRA_SPECS): Likewise.
2620 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2622 * function.c (purge_addressof_1): Instead of aborting when a
2623 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
2624 work just put the ADDRESSOF on stack. Otherwise remember all such
2625 successfull replacements, so that exactly the same replacements
2626 can be made on the REG_NOTEs. Remove the special case for CALL
2628 (purge_addressof_replacements): New variable.
2629 (purge_addressof): Clear it at end.
2631 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2633 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
2634 (lang_init): Call check_newline always.
2635 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
2636 cpp_start_read, set yy_cur and yy_lim to read from
2637 parse_in.token_buffer, so that we'll see the first #line
2639 * cpplib.c (cpp_start_read): finclude the main input file
2640 before processing -include/-imacros. Process -imacros and
2641 -include separately, and handle -include by stacking a
2642 buffer for the file in question as if it'd been #included.
2643 * toplev.c (documented_lang_options) Recognize -H when
2646 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2648 * cpplib.c: Merge do_once into do_pragma. Break file handling
2649 code out of do_include.
2650 Move append_include_chain, deps_output,
2651 file_cleanup, redundant_include_p, import_hash,
2652 lookup_import, add_import, read_filename_string, read_name_map,
2653 open_include_file, finclude, safe_read to cppfiles.c.
2654 Move prototypes for deps_output, append_include_chain,
2655 finclude to cpplib.h. Move definition of struct
2656 file_name_list there also.
2658 * cppfiles.c: New file. Contains all the above functions
2659 broken out of cpplib.c; also hack_vms_include_specification
2660 from cccp.c and find_include_file, a new function broken out of
2663 * Makefile.in (cppmain): Depend on cppfiles.o.
2664 (fix-header): Likewise.
2665 (cppfiles.o): New target.
2666 * configure.in (--enable-c-cpplib): Add cppfiles.o to
2667 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
2669 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
2671 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
2672 if pending_types is non-zero.
2673 (dwarfout_finish): Verify pending_types is zero before finishing.
2675 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
2677 * expr.c (convert_move): Use shifts to perform the move if a
2678 suitable extend pattern cannot be found. Code written by
2679 Richard Henderson <rth@cygnus.com>.
2681 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2683 * regclass.c (renumber, regno_allocated): New static variables, moved
2684 out of allocate_reg_info.
2685 (allocate_reg_info): Move these two variables outside the function.
2686 Move code to free memory into new function free_reg_info.
2687 (free_reg_info): New function, broken out of allocate_reg_info.
2688 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
2689 * rtl.h (allocate_reg_info): Don't declare.
2690 (free_reg_info): Declare.
2692 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
2694 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
2696 * toplev.c (compile_file): Temporarily revert last change.
2698 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2700 * c-typeck.c (convert_for_assignment): Parenthesize.
2702 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2704 * reload1.c (delete_output_reload): Avoid ambigous else.
2706 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
2708 * toplev.c (compile_file): Call allocate_reg_info to free register
2710 * rtl.h (allocate_reg_info): Declare.
2712 * PROJECTS: Remove entry for local spilling.
2714 * final.c (cleanup_subreg_operands): New function.
2715 (final_scan_insn): Use it.
2716 (alter_subreg): Clear the "used" field when we turn a SUBREG into
2718 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
2719 operands when reload has finished.
2720 * reload.h (cleanup_subreg_operands): Declare..
2721 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
2722 reload. Handled in reload itself.
2724 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2726 * reload1.c (verify_initial_offsets): New function.
2727 (reload): Call it after reload_as_needed. Also verify that the frame
2728 size stays constant during reload_as_needed.
2729 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
2731 * reload.h (struct insn_chain): Add need_operand_change element.
2732 * reload1.c (new_insn_chain): Clear it.
2733 (calculate_needs_all_insns): Set it; don't overload need_reload.
2734 (reload_as_needed): Use it.
2736 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
2737 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
2738 and reload_address_index_reg_class.
2739 (find_reloads_address_1): Likewise.
2740 * reload.h (reload_address_base_reg_class,
2741 reload_address_index_reg_class): Don't declare.
2742 * reload1.c (reg_old_renumber, pseudo_previous_regs,
2743 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
2744 (used_spill_regs): Now static.
2745 (reload_address_base_reg_class, reload_address_index_reg_class,
2746 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
2747 basic_block_needs, max_needs, group_size, group_mode, max_groups,
2748 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
2751 (init_reload): Delete code to compute base/index reg classes.
2752 (reload): Delete variable J.
2753 Delete code to manage basic_block_needs.
2754 Don't compute regs_explicitly_used.
2755 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
2756 pseudo_previous_regs.
2757 Initialize bad_spill_regs_global.
2758 Don't call order_regs_for_reload here.
2759 Don't initialize spill_reg_order and n_spills.
2760 Don't forbid explicitly used regs to be used for spill regs.
2761 Change main loop to infinite loop, with explicit break statements.
2762 Make SOMETHING_CHANGED variable local to that loop.
2763 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
2764 max_groups_insn, max_nongroups_insn, group_size, group_mode.
2765 Make sure spilled_speudos is cleared before calling spill_hard_reg or
2767 Don't call dump_needs.
2768 Delete code to reset potential_reload_regs.
2769 Delete code to terminate loop conditional on the global needs variables
2770 showing no further needs.
2771 (calculate_needs_all_insns): Return void. All callers changed.
2772 Initialize somehing_needs_elimination here, not in reload.
2773 Delete avoid_return_reg kludge.
2774 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
2775 All callers changed.
2776 Initialize the group_mode and group_size elements of the arg CHAIN.
2777 Delete code to manage basic_block_needs.
2778 Operate on elements of CHAIN instead of global variables.
2779 Delete avoid_return_reg kludge.
2780 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
2781 All callers changed.
2782 Operate on elements of CHAIN instead of global variables.
2783 Delete special SMALL_REGISTER_CLASSES code.
2784 Delete spill_failure code; now in new_spill_reg.
2785 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
2786 All callers changed.
2787 Operate on elements of CHAIN instead of global variables.
2788 (maybe_mark_pseudo_spilled): New static function.
2789 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
2790 All callers changed.
2791 Operate on elements of CHAIN instead of global variables.
2792 Call order_regs_for_reload here, not in reload.
2793 Initialize spill_reg_order and n_spills.
2794 Simplify test whether an asm insn is involved.
2795 Delete spill_failure code; now in new_spill_reg.
2796 Call maybe_mark_pseudo_spilled for everything marked as live in
2797 CHAIN. Merge CHAIN's used_spill_regs into the global variable
2799 (dump_needs): Take CHAIN arg. No longer static, to prevent the
2800 compiler from optimizing this function (now unused) away.
2801 Operate on elements of CHAIN instead of global variables.
2802 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
2804 Operate on elements of CHAIN instead of global variables.
2805 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
2806 take CHAIN arg. All callers changed.
2807 Operate on elements of CHAIN instead of global variables.
2808 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
2809 CHAIN, NONGROUP args. Return void. All callers changed.
2810 Verify caller isn't trying to spill a pseudo.
2811 Simplify test for illegal reg, just use bad_spill_regs.
2812 Generate better error messages.
2813 Operate on elements of CHAIN instead of global variables.
2814 Mark spilled register in CHAIN's used_spill_regs element.
2815 Don't call spill_hard_reg.
2816 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
2817 Mark spilled hard regs in bad_spill_regs_global.
2818 Mark affected pseudos in spilled_pseudos, but don't spill them.
2819 (ior_hard_reg_set): New static function.
2820 (finish_spills): Return int. All callers changed.
2821 Compute spill_reg_order, n_spills and spill_regs here. Also update
2822 regs_ever_live for regs used as spills.
2823 For every pseudo in spilled_pseudos, spill it and mark the previous
2824 hard reg it had in pseudo_previous_regs. Compute which hard regs
2825 arseudo): New static function.
2826 (order_regs_for_reload): Take CHAIN arg. All callers changed.
2827 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
2828 hard registers explicitly used across the current insn into the set.
2829 Compute hard_reg_n_uses taking only pseudos live across this insn
2831 Tweak sorting of potential_reload_regs.
2832 (compare_spill_regs): Delete function.
2833 (reload_as_needed): Don't sort the spill_regs array, it's computed
2834 in proper order in finish_spills.
2835 Delete avoid_return_reg kludge.
2836 Delete code to manage basic_block_needs.
2837 (allocate_reload_reg): Minor speed/readability tweaks.
2838 Operate on elements of CHAIN instead of global variables.
2839 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
2840 Delete avoid_return_reg kludge.
2841 Initialize reload_reg_used from CHAIN's used_spill_regs element.
2842 Delete unused label FAIL.
2843 (reload_combine): Replce reload_address_index_reg_class with
2845 Don't use used_spill_regs to determine information about lifetime of
2848 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
2850 * toplev.c (display_help): Ignore empty target specific
2851 options, and if -W is also specified on the command line then
2852 display undocumented options.
2854 * config/arm/arm.c: Updated with changes in devo sources.
2855 * config/arm/arm.h: Updated with changes in devo sources.
2856 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
2857 * config/arm/lib1thumb.asm: Add ELF support.
2859 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
2861 * collect2.c (aix64_flag): New variable.
2862 (main, case 'b'): Parse it.
2863 (GCC_CHECK_HDR): object magic number must match mode.
2864 (scan_prog_file): Only check for shared object if valid header.
2865 Print debugging if header/mode mismatch.
2867 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
2869 Added support for arm-elf-linux configuration, submitted by Philip
2870 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
2871 code developed by Catherine Moore <clm@cygnus.com>. The following
2874 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
2877 * configure: Regenerated.
2879 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
2880 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
2881 definitions conditional on their not having been already defined.
2883 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
2884 and .type directives, and add "(PLT)" qualification to function
2887 * config/arm/linux.h: Deleted. This file is now superceeded by
2888 either linux-elf.h or linux-aout.h.
2890 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
2891 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
2893 Move definitions from old linux.h file here.
2895 * config/arm/elf.h: New file. Generic ARM/ELF support.
2897 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
2899 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
2901 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
2902 using the 26bit APCS.
2904 * config/arm/unknown-elf.h: New file. Support for OS'es other
2905 than Linux with ELF.
2907 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
2910 * config/arm/coff.h: Include aout.h for basic assembler macros.
2911 Add support for -mstructure_size_boundary=<n> command line option.
2913 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
2914 command line option. Make macro definitions conditional on their
2915 not having been already defined.
2917 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
2918 command line option.
2921 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
2923 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
2924 has been changed to not include a newline. Use this macro instead.
2925 (output_enumeral_list, const_value_attribute, name_attribute,
2926 comp_dir_attribute, prototyped_attribute, producer_attribute,
2927 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
2928 dwarfout_file_scope_decl, generate_new_sfname_entry,
2929 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
2930 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
2932 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
2934 * combine.c (subst): Process the inputs to a parallel asm_operands
2937 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
2939 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
2941 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
2943 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
2945 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
2947 * version.c: Bump for snapshot.
2949 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
2951 * stmt.c (expand_fixup): Set fixup->before_jump to a
2952 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
2954 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2956 * Makefile.in (recog.o): Depend on toplev.h.
2957 (insn-emit.o): Depend on recog.h.
2958 (insn-peep.o): Depend on recog.h and insn-config.h.
2960 * combine.c (simplify_set): Remove unused variable `scratches'.
2962 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
2963 and `idx' in macro conditional controlling their use.
2965 * genemit.c (main): Make the generated output file include
2966 recog.h. Don't have it declare `insn_operand_constraint', since
2967 we get it from recog.h.
2969 * genpeep.c (main): Make the generated output file include
2970 insn-config.h and recog.h.
2972 * recog.c: Include toplev.h.
2973 (extract_insn): Remove unused variable `p'.
2975 * regclass.c (fix_register): Add missing braces around initializer
2977 (allocate_reg_info): Move variable `i' into the scope where it is
2978 used. Change its type to `size_t'.
2980 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2982 * reload.c (push_reload): When merging reloads, make sure
2983 that reload_in_reg and reload_in are from the same reload in
2986 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
2988 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
2989 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
2991 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
2993 * loop.c (loop_has_tablejump): New variable.
2994 (prescan_loop): Scan for it.
2995 (insert_bct): Replace explicit scan with use of it.
2996 * regclass.c (regclass): Restore loop variable j.
2997 (record_reg_classes): Deterine op_types modifiers and initialize
2998 classes[i] before matching constraints. Handle matching
3001 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
3003 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
3006 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3008 * mips.h (EXTRA_SPECS): Add missing initializers.
3010 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3012 * sparc.h (EXTRA_SPECS): Add missing initializers.
3013 (sparc_defer_case_vector): Provide a prototype.
3015 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
3016 comparing it to the result of a pointer subtraction.
3018 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3020 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
3021 the argument to (unsigned char).
3023 * alpha.h (EXTRA_SPECS): Add missing initializers.
3024 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
3027 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
3029 * flow.c (life_analysis_1): Enable "rescan" code after reload.
3030 (propagate_block): Delete dead code after reload.
3032 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
3033 back Oct 15, 1998 change.
3034 * haifa-sched.c (update_flow_info): Likewise.
3035 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
3037 * mn10200.md (truncated shift): Accept constant inputs too.
3039 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
3041 * machmode.h (mode_mask_array): No longer const.
3042 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
3044 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3046 * frame.c: Somewhat explain `FDE'.
3047 Suggested by Brendan Kehoe
3049 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
3051 * expr.c (pending_chain): Move up.
3052 (save_expr_status): Do save pending_chain.
3053 (restore_expr_status): And restore it.
3054 * function.h (struct function): Add pending_chain.
3056 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3058 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
3059 did not match the code.
3061 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3063 * regclass.c (regclass): Break out some code into new function
3064 scan_one_insn, and into regclass_init.
3065 (init_cost): New static variable, moved out of regclass.
3066 (regclass_init): Initialize it here, not in .
3067 (scan_one_insn): New static function, broken out of regclass.
3068 * recog.c (apply_change_group): Break out some code into new
3069 function insn_invalid_p.
3070 (insn_invalid_p): New static fn, broken out of apply_change_group.
3072 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
3074 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
3075 reg_reloaded_contents matches incremented pseudo.
3077 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
3079 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3081 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
3082 addressing modes with side effects. These are currently
3083 placeholders for the C4x target.
3085 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3087 * loop.c (express_from): Make sure that when generating a PLUS of
3088 a PLUS, any constant expression appears on the outermost PLUS.
3090 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
3092 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
3093 works if "$(srcdir)" != ".".
3095 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
3097 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
3098 existing SUBREG if we can, otherwise abort.
3100 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
3102 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
3103 `restrict' is applied to a non-pointer variable.
3105 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
3107 * invoke.texi: Document -flang-isoc9x.
3109 * Makefile.in (OBJS): Add splay-tree.o.
3110 (c-common.o): Depend on rtl.h.
3111 (splay-tree.o): List dependencies and provide build rule.
3113 * rtl.h (record_alias_subset): New function.
3114 * alias.c: Include splay-tree.h.
3115 (alias_set_entry): New type.
3116 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
3117 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
3118 (mems_in_disjoin_alias_sets_p): New function.
3119 (alias_set_compare): Likewise.
3120 (insert_subset_children): Likewise.
3121 (get_alias_set_entry): Likewise.
3123 * tree.h (TYPE_RESTRICT): New macro.
3124 (TYPE_UNQUALIFIED): New manifest constant.
3125 (TYPE_QUAL_CONST): Likewise
3126 (TYPE_QUAL_VOLATILE): Likewise.
3127 (TYPE_QUAL_RESTRICT): Likewise.
3128 (tree_type): Add restrict_flag. Reduce count of free bits.
3129 (DECL_POINTER_ALIAS_SET): New macro.
3130 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
3131 (tree_decl): Add pointer_alias_set.
3132 (build_qualified_type): New function.
3133 (build_type_variant): Define in terms of build_qualified_type.
3134 * tree.c (set_type_quals): New function.
3135 (make_node): Initializae DECL_POINTER_ALIAS_SET.
3136 (build_type_attribute_variant): Use build_qualified_type and
3138 (build_type_variant): Rename, and modify, to become...
3139 (build_qualified_type): New function.
3140 (build_complex_type): Use set_type_quals.
3142 * c-tree.h (C_TYPE_OBJECT_P): New macro.
3143 (C_TYPE_FUNCTION_P): Likewise.
3144 (C_TYPE_INCOMPLETE_P): Likewise.
3145 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
3146 (c_apply_type_quals_to_decl): New function.
3147 (c_build_qualified_type): New function.
3148 (c_build_type_variant): Define in terms of c_build_qualified_type.
3149 (flag_isoc9x): Declare.
3150 * c-typeck.c (qualify_type): Use c_build_qualified_type.
3151 (common_type): Change to use TYPE_QUALS.
3152 (comptypes): Likewise.
3153 (convert_for_assignment): Likewise.
3154 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
3155 * c-decl.c (flag_isoc9x): Define.
3156 (c_decode_option): Handle -flang-isoc9x.
3157 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
3158 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
3159 * c-lex.c (init_lex): Deal with restrict.
3160 (init_lex): Don't treat restrict as a reserved word in
3161 -traditional mode, or without -flang-isoc9x.
3162 * c-lex.h (rid): Add RID_RESTRICT.
3163 * c-parse.gperf (restrict, __restrict, __restrict__): Make
3164 equivalent to RID_RESTRICT.
3165 * c-parse.in (TYPE_QUAL): Update comment.
3166 * c-common.c: Include rtl.h.
3167 (c_find_base_decl): New function.
3168 (c_build_type_variant): Rename, and modify, to become ...
3169 (c_build_qualified_type): New function.
3170 (c_apply_type_quals_to_decl): Likewise.
3171 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
3172 a particular alias set for the reference.
3173 * toplev.c (documented_lang_options): Add -flang-isoc9x.
3175 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
3177 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
3178 command line switches.
3180 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
3182 * reload.c (loc_mentioned_in_p): Add missing braces to bind
3185 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
3187 * gcc.c (option_map): Added --classpath and --CLASSPATH.
3189 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
3191 * regclass.c (fix_register): Add error message.
3192 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
3195 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3197 * c-decl.c (warn_missing_noreturn): New global variable.
3198 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
3199 (finish_function): Implement missing noreturn warning.
3201 * c-tree.h (warn_missing_noreturn): Declare extern.
3203 * invoke.texi: Document new flags.
3205 * toplev.c (documented_lang_options): Add description.
3207 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3209 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
3210 loop optimization stable for the C4x.
3211 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
3212 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
3213 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
3215 (c4x_address_conflict): Be more paranoid when packing a volatile
3216 memref in a parallel load/store.
3218 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3220 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
3221 repeat_block_filler): Deleted.
3222 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
3223 Condition code not set if destination register from 'c' class.
3224 (*subbqi3_carry_clobber): Fix typo.
3226 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3228 * reorg.c (steal_delay_list_from_target) Check for insns that
3229 modify the condition codes and effect the direction of the jump
3232 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3234 * function.c (purge_addressof_1): Replace call to
3235 emit_insns_before() with emit_insn_before().
3237 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
3239 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
3241 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3243 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3245 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3247 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3248 clobbered across calls.
3250 * loop.c (scan_loop): Be more selective about what invariants are
3251 moved out of a loop.
3253 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
3255 * version.c: Bump for snapshot.
3257 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3259 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
3260 static eh_context structure.
3262 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3264 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
3266 (try_combine): Don't update max_scratch.
3267 * flow.c (max_scratch, num_scratch): Delete variables.
3268 (life_analysis_1): Don't initialize max_scratch.
3269 (propagate_block): Don't update max_scratch.
3270 (mark_set_1): Don't increment num_scratch.
3271 * regs.h (max_scratch): Delete declaration.
3273 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
3275 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
3276 is nonzero. This is temporary!
3278 * sched.c (update_flow_info): Handle death notes made invalid by
3279 instruction splitting. Partially reverts Oct 15, 1998 patch.
3280 * haifa-sched.c (update_flow_info): Likewise.
3282 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
3284 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
3285 if it has a nonzero DECL_INITIAL.
3287 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3289 * Makefile.in (flow.o): Depend on recog.h.
3291 * cpplib.h (directive_table): Add missing initializiers.
3292 (finclude): Change type of variable `bsize' to size_t.
3294 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
3296 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
3298 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
3299 `int' when comparing against one.
3300 (cpp_file_line_for_message): Mark parameter `pfile' with
3302 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
3304 * flow.c: Include recog.h.
3305 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
3307 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
3308 `f' with ATTRIBUTE_UNUSED.
3309 (reposition_prologue_and_epilogue_notes): Likewise.
3311 * genopinit.c (gen_insn): Cast argument of ctype functions to
3314 * haifa-sched.c: Include recog.h.
3315 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
3316 comparing against one.
3318 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
3320 * mips-tfile.c (parse_end): Cast the argument of ctype function to
3322 (parse_ent): Likewise.
3323 (parse_input): Likewise.
3325 * optabs.c (init_libfuncs): Likewise.
3327 * protoize.c (find_rightmost_formals_list): Likewise.
3329 * recog.h (const_double_operand): Fix typo in prototype.
3331 * tlink.c (scan_linker_output): Cast the argument of ctype
3332 function to `unsigned char'.
3334 * toplev.c (check_lang_option): Cast the result of `strlen' to
3335 `int' when comparing against one.
3337 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3339 * gcse.c (dump_cuid_table): Correct typo.
3341 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
3343 * toplev.c (display_help): Prepend '-m' to target specific
3345 (check_lang_option): Ignore text after end of first word of a
3346 language specific option.
3348 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3350 * reload1.c (reg_used_by_pseudo): New static variable.
3351 (choose_reload_regs): Initialize it.
3352 Use it instead of testing spill_reg_order to determine whether a
3353 pseudo is live in a hard register across the current insn.
3354 Fix a typo in a reference to reload_reg_rtx.
3356 * flow.c (propagate_block): Replace code that computes and uses
3357 regs_sometimes_live with simpler code that just walks the set of
3358 currently live registers.
3360 * Makefile.in (insn-extract.o): Fix dependencies.
3361 * genextract.c (main): Generate includes for insn-config.h and
3363 Delete generation of declarations which are now in recog.h.
3364 * genrecog.c (main): Delete generation of definitions which are
3366 * local-alloc.c (block_alloc): Use extract_insn and the variables
3367 it sets up instead of looking up values by insn_code.
3368 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
3369 recog_dup_num): Define here instead of generating the definition in
3371 (recog_n_operands, recog_n_dups, recog_n_alternatives,
3372 recog_operand_mode, recog_constraints, recog_operand_address_p):
3374 (extract_insn): New function.
3375 * recog.h (extract_insn): Declare function.
3376 (which_alternative, recog_n_operands, recog_n_dups,
3377 recog_n_alternatives, recog_operand_mode, recog_constraints,
3378 recog_operand_address_p): Declare variables.
3379 * regclass.c (n_occurrences): New static function.
3380 * reload.c (n_occurrences): Delete function.
3381 (find_reloads): Use extract_insn.
3382 * reload.h (n_occurrences): Delete declaration.
3384 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
3386 * reload1.c (reload_as_needed): Fix test for when to call
3387 update_eliminable_offsets.
3389 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3391 Fix consistency problems with reg_equiv_{mem,address};
3392 Improve reload inheritance;
3394 * reload.c (reload_out_reg): New variable.
3395 (loc_mentioned_in_p, remove_address_replacements): New functions.
3396 (remove_replacements): Deleted.
3397 (push_reload): Set reload_out_reg[i].
3398 When merging, also set reload_{in,out}_reg[i], and remove
3399 duplicate address reloads.
3400 (combine_reloads): Copy reload_out_reg[i].
3401 (find_reloads): Do make_memloc substitution also when
3402 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3404 Include *recog_operand_loc in commutativity operand changes.
3405 Generate optional output reloads.
3406 Delete reference to n_memlocs. Don't set *recog_operand_loc before
3407 processing operands. Call make_memloc in reg_equiv_address code.
3408 Set *recog_operand_loc only after processing operands, and only
3409 if replace is true. Return a value.
3410 When changing address reload types for operands that didn't get
3411 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
3412 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
3413 Don't emit USEs for pseudo SUBREGs when not replacing.
3414 (find_reloads_address): Do make_memloc substitution also when
3415 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3417 (find_reloads_toplev): Likewise.
3418 Call make_memloc in reg_equiv_address code.
3419 (debug_reload_to_stream): Add code to output reload_out_reg.
3420 (make_memloc): Delete local variable i, ifdefed out code, and
3421 references to memlocs and n_memlocs.
3422 (memlocs, n_memlocs): Delete.
3423 (push_secondary_reload): Clear reload_out_reg.
3424 (find_reloads_address_1): Provide memrefloc argument to all calls
3425 to find_reloads_address.
3426 In AUTO_INC code, handle non-directly addressable equivalences properly.
3427 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
3428 (find_reloads): Add return type.
3429 (remove_address_replacements, deallocate_reload_reg): Declare.
3430 * reload1.c (num_not_at_initial_offset): No longer static.
3431 (delete_address_reloads, delete_address_reloads_1): Likewise.
3432 (deallocate_reload_reg): New function.
3433 (spill_reg_stored_to): New array.
3434 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
3435 (eliminate_regs_in_insn): Move assignments of previous_offset and
3436 max_offset fields, and recalculation of num_not_at_initial_offset
3437 into new static function:
3438 (update_eliminable_offsets) .
3439 (reload_as_needed): Call update_eliminable_offsetss after calling
3441 Call forget_old_reloads_1 with contents of reloaded auto_inc
3442 expressions if the actual addressing can't be changed to match the
3444 (choose_reload_regs): For inheritance, replace
3445 reload_reg_free_before_p test with reload_reg_used_at_all test, and
3446 remove stand-alone reload_reg_used_at_all test.
3447 Use reload_out_reg to determine which reload regs have output reloads.
3448 Treat reload_override_in more similar to inherited reloads.
3449 Handle (subreg (reg... for inheritance.
3450 For flag_expensive_optimizations, add an extra pass to remove
3451 unnecessary reloads from known working inheritance.
3452 Delete obsolete code for pseudos replaced with MEMs.
3453 Handle inheritance from auto_inc expressions.
3454 (emit_reload_insns): If reload_in is a MEM, set OLD to
3456 Don't reload directly from oldequiv; if it's a pseudo with a
3457 stack slot, use reload_in[j].
3458 Check that reload_in_reg[j] is a MEM before replacing reload_in
3459 from reg_reloaded_contents.
3460 Include non-spill registers in reload inheritance processing.
3461 Also try to use reload_out_reg to set spill_reg_store /
3462 reg_last_reload_reg.
3463 In code to set new_spill_reg_store, use single_set to find out if
3464 there is a single set.
3465 Add code that allows to delete optional output reloads.
3466 Add code to allow deletion of output reloads that use no spill reg.
3467 At the end, set reload_override_in to oldequiv.
3468 Also call delete_output_reload if reload_out_reg is equal to old
3470 Add code to call delete_output_reload for stores with no matching load.
3471 Set / use spill_reg_stored_to.
3472 Handle case where secondary output reload uses a temporary, but
3473 actual store isn't found.
3474 When looking for a store of a value not loaded in order to call
3475 delete_output_reload, count_occurences should return 0 for no
3476 loads; but discount inherited input reloadill_reg_stored_to.
3477 Do checks for extra uses of REG. Changed all
3479 Use delete_address_reloads.
3480 (reload): Take return value of find_reloads into account.
3481 If a no-op set needs more than one reload, delete it.
3482 (reload_reg_free_before_p): RELOAD_FOR_INPUT
3483 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
3484 for the same operand.
3485 (clear_reload_reg_in_use): Check for other reloads that keep a
3487 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
3488 RELOAD_FOR_OPADDR_ADDR.
3489 Take into account when an address address reload is only needed
3490 for the address reload we are considering.
3491 (count_occurrences): Use rtx_equal_p for MEMs.
3492 (inc_for_reload): Return instruction that stores into RELOADREG.
3493 New argument two, IN, and rtx. Changed all callers.
3494 (calculate_needs_all_insns, reload_as_needed):
3495 Don't clear after_call for a CLOBBER.
3496 Keep track of how many hard registers need to be copied from
3497 after_call, and don't clear after_call before we have seen
3498 that much copies, or we see a different instruction.
3500 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
3502 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
3503 after reload has completed.
3505 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
3507 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
3508 a macro name and the next token with a single blank if that whitespace
3509 is in a macro buffer and the next token is not '('.
3511 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
3513 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
3515 (skip_if_group): Ditto.
3516 (skip_to_end_of_comment): Ditto.
3518 (discard_comments): Ditto.
3519 (change_newlines): Ditto.
3521 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
3523 * c-lex.c (yylex): Fix unaligned access of wchar_t.
3525 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
3527 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
3528 (TARGET_OPTIONS): Add --help documentation.
3530 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3532 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
3534 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
3536 * fixinc/* Moved in from ../contrib directory in preparation
3537 for integrating it into the normal build process. In particular,
3538 fixinc/Makefile.in must be config-ed into the build directory
3539 as fixinc/Makefile. Proposed patches to ./Makefile.in and
3540 ./configure.in will be "in the mail" momentarily.
3542 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
3544 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
3545 accidently walk into the free list. Comment how that can happen.
3546 (invalidate): Fix indentation.
3548 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3549 Jeffrey A Law (law@cygnus.com)
3551 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
3552 reload. Never perform rescans of the insn chain after reload.
3553 (propagate_block): Do not delete insn or create new autoinc addressing
3556 * jump.c (jump_optimize): Unconditionally use the code that was
3557 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
3558 * reload1.c (reload): When reloading is finished, delete all
3559 REG_DEAD and REG_UNUSED notes.
3560 (emit_reload_insns): Delete all code that was conditional on
3561 PRESERVE_DEATH_INFO_REGNO_P.
3562 (no_longer_dead_regs): Delete variable.
3563 (reload_cse_delete_death_notes): Delete function.
3564 (reload_cse_no_longer_dead): Delete function.
3565 (reload_cse_regs_1): Delete all code to handle deletion of death
3567 (reload_cse_noop_set_p): Likewise.
3568 (reload_cse_simplify_set): Likewise.
3569 (reload_cse_simplify_operands): Likewise.
3570 (reload_cse_move2add): Likewise.
3571 * reorg.c (used_spill_regs): Delete declaration.
3572 (max_label_num_after_reload): Delete declaration.
3573 (find_dead_or_set_registers): Don't assume that spill regs are
3574 dead at a CODE_LABEL.
3575 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
3577 * sched.c (sched_analyze_insn): Likewise.
3578 (update_flow_info): Likewise.
3579 * haifa-sched.c (sched_analyze_insn): Likewise.
3580 (update_flow_info): Likewise.
3581 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
3582 * toplev.c (max_label_num_after_reload): Delete variable.
3583 (rest_of_compilation): Don't set max_label_num_after_reload.
3584 Call life_analysis after reload_cse_regs if optimizing.
3585 * config/gmicro/gmicro.h: Delete comment referring to
3586 PRESERVE_DEATH_INFO_REGNO_P.
3587 * config/i386/i386.h: Likewise.
3588 * config/m88k/m88k.h: Likewise.
3589 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
3590 * config/sh/sh.h: Likewise.
3592 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
3594 * loop.c (strength_reduce): Restore marking bct_p as
3596 * rs6000.c (optimization_options): Change #ifdef HAIFA to
3597 HAVE_decrement_and_branch_on_count.
3598 (small_data_operand): Remove TARGET_ELF condition for marking
3599 parameters ATTRIBUTE_UNUSED.
3601 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
3603 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
3604 (SELECT_SECTION): Resync with svr4.h.
3606 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
3608 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
3611 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
3613 * c-pragma.c (handle_pragma_token): Test for null tree before
3614 dereferencing TREE_CODE.
3616 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3618 * config/c4x/c4x.c: Convert to use GEN_INT.
3619 (c4x_parallel_process): Rework to handle new repeat loop structure.
3621 * config/c4x/c4x.md: Convert to use GEN_INT.
3622 (rptb_end): Convert to use GE test. Replace uses with clobbers.
3623 (decrement_and_branch_on_count): Likewise.
3625 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
3626 loop.c has the desired functionality.
3627 (rc_reg_operand): New prototype.
3629 * config/c4x/t-c4x: Can now build all front ends.
3631 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
3633 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
3635 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
3637 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
3638 * config/t-rtems: Do not install assert.h -- use newlib's.
3640 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3642 * combine.c (combine_instructions): When finished, call init_recog.
3643 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
3645 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
3647 * toplev.c: If flag_syntax_only, don't open or write assembler file.
3649 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3651 * cppalloc.c (memory_full): Mark function prototype with
3654 * demangle.h (collect_exit): Likewise.
3656 * fix-header.c (v_fatal, fatal): Likewise.
3658 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
3661 * gcov.c (print_usage): Likewise.
3663 * genattr.c (fatal, fancy_abort): Likewise.
3665 * genattrtab.c (fatal, fancy_abort): Likewise.
3667 * gencodes.c (fatal, fancy_abort): Likewise.
3669 * genconfig.c (fatal, fancy_abort): Likewise.
3671 * genemit.c (fatal, fancy_abort): Likewise.
3673 * genextract.c (fatal, fancy_abort): Likewise.
3675 * genflags.c (fatal, fancy_abort): Likewise.
3677 * genopinit.c (fatal, fancy_abort): Likewise.
3679 * genoutput.c (fatal, fancy_abort): Likewise.
3681 * genpeep.c (fatal, fancy_abort): Likewise.
3683 * genrecog.c (fatal, fancy_abort): Likewise.
3685 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
3686 __sjpopnthrow, __throw): Likewise.
3688 * objc/objc-act.c (objc_fatal): Likewise.
3690 * protoize.c (usage, aux_info_corrupted,
3691 declare_source_confusing): Likewise.
3693 * rtl.c (dump_and_abort): Likewise.
3695 * rtl.h (sets_cc0_p): Likewise.
3697 * toplev.c (float_signal, pipe_closed): Likewise.
3699 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3701 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
3702 when generating the decision tree for the general case.
3704 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
3705 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
3707 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3709 * Makefile.in (sched.o): Depend on recog.h.
3711 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
3712 (unsigned) when comparing against one.
3713 (find_base_value): Likewise.
3714 (record_base_value): Cast variable `regno' to (unsigned) when
3715 comparing against one. Cast the result of REGNO() macro to
3716 (unsigned) when comparing against one.
3717 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
3719 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
3720 variable where an unsigned index is needed.
3722 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
3723 before comparing against one.
3725 * collect2.c: Add prototypes for functions `error', `fatal' and
3726 `fatal_perror'. Make these functions take variable arguments
3727 instead of faking it with a fixed number of args.
3728 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
3731 * combine.c (can_combine_p): Mark parameter `pred' with
3733 (find_split_point): Cast variable `src' to (unsigned
3734 HOST_WIDE_INT) when comparing against one.
3735 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
3736 (simplify_logical): Likewise.
3737 (force_to_mode): Cast result of INTVAL() macro to (unsigned
3738 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
3739 HOST_WIDE_INT) in shift.
3740 (simplify_and_const_int): Cast result of INTVAL() macro to
3741 `unsigned HOST_WIDE_INT' when comparing against one.
3742 (merge_outer_ops): Cast variable const0 to `unsigned
3743 HOST_WIDE_INT' when comparing against the result of
3744 GET_MODE_MASK() macro.
3745 (simplify_comparison): Likewise for variable `c0'. Cast variable
3746 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
3747 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
3748 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
3749 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
3750 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
3751 comparing against one.
3752 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
3754 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
3755 macro to `unsigned HOST_WIDE_INT' when comparing against one.
3756 (output_block_move): Cast `sizeof' expression to (int) when
3757 comparing against one.
3758 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
3760 (save_restore_insns): Cast `base_offset' to `long' to match format
3761 specifier in fprintf.
3763 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
3764 to `enum machine_mode'.
3766 * flow.c (life_analysis_1): Remove unused variable `insn'.
3768 * gcc.c (translate_options): Move variables `j' and `k' into the
3769 scope in which they are used. Change their types to `size_t'.
3770 (set_spec): Cast the argument of ctype macro to `unsigned char'.
3771 (read_specs): Likewise.
3772 (process_command): Cast `sizeof' to (int) when comparing against one.
3773 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
3774 (handle_braces): Cast both sides of `==' expression to `long' to
3775 ensure sign matching.
3776 (main): Cast variable `i' to `int' when comparing against one.
3778 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
3779 int to size_t. Cast variable `i' to size_t when comparing against
3782 * genattrtab.c (convert_set_attr_alternative): Remove unused
3783 parameter `insn_code'. All callers changed.
3784 (convert_set_attr): Likewise.
3786 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
3787 size_t when comparing against one. Likewise for variable `len'.
3789 * global.c (global_alloc): Cast variable `max_regno' to size_t
3790 when comparing against one. Likewise for variable `max_allocno'.
3792 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
3794 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
3795 `set' with ATTRIBUTE_UNUSED.
3796 (find_free_reg): Cast `sizeof' expression to (int) when comparing
3799 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
3800 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
3801 (get_condition): Cast variable `const_val' to `unsigned
3802 HOST_WIDE_INT' when comparing against one. Cast unsigned
3803 expression to HOST_WIDE_INT when comparing against one.
3804 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
3805 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
3806 `unsigned' when comparing against one.
3808 * protoize.c (is_id_char): Change type of parameter `ch' to
3810 (munge_compile_params): Cast argument of ctype macro to (const
3812 (process_aux_info_file): Cast variable `aux_info_size' to int when
3813 comparing against one.
3814 (forward_to_next_token_char): Cast argument of ctype macro to
3815 `const unsigned char'.
3816 (edit_formals_lists): Likewise.
3817 (find_rightmost_formals_list): Likewise.
3818 (add_local_decl): Likewise.
3819 (add_global_decls): Likewise.
3820 (edit_fn_definition): Likewise.
3821 (do_cleaning): Likewise.
3822 (scan_for_missed_items): Likewise.
3823 (edit_file): Cast variable `orig_size' to (int) when comparing
3825 (main): Cast argument of ctype macro to `const unsigned char'.
3827 * recog.c (const_int_operand): Mark parameter `mode' with
3830 * regclass.c (record_reg_classes): Change type of variable `c' to
3831 `unsigned char'. Cast `char' array index to `unsigned char'.
3833 * reload.c (push_secondary_reload): Cast argument to
3834 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
3836 * reload1.c (calculate_needs): Cast `char' array index to
3838 (set_label_offsets): Change type of variable `i' to unsigned int.
3839 Cast result of XVECLEN() macro to unsigned when comparing against
3841 (mark_not_eliminable): Change type of variable `i' to unsigned.
3842 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
3843 when comparing against one.
3844 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
3845 comparing against one.
3846 (choose_reload_regs): Hide unused label `fail'.
3847 (reload_cse_simplify_operands): Cast `char' array index to
3849 (reload_combine_note_store): Mark parameter `set' with
3850 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
3852 (reload_cse_move2add): Remove unused variable `src2'.
3854 * sched.c: Include recog.h.
3855 (sched_note_set): Remove unused parameter `b'. All callers
3857 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
3858 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
3859 when comparing against one.
3861 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
3862 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
3863 comparing against one.
3865 * unroll.c (precondition_loop_p): Remove unused parameter
3866 `loop_end'. All callers changed.
3868 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3870 * reload1.c (maybe_fix_stack_asms): New static function.
3873 * reload.h (compute_use_by_pseudos): Declare.
3875 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
3876 (something_needs_reloads): Delete variable.
3877 (finish_spills): New function.
3878 (compute_use_by_pseudos): New function.
3880 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
3881 Use the reload_insn_chain instead of walking the rtl directly.
3883 (reload): Allocate and free spilled_pseudos.
3884 Ensure that all calls of spill_hard_reg are followed by a call to
3886 Use the insns_need_reload list instead of something_needs_reloads
3887 to find out if reload_as_needed must be called.
3888 Clear unused_insn_chains at the end.
3890 (calculate_needs_all_insns): Lose FIRST parameter. All callers
3892 Delete code to keep track of current basic block.
3893 Walk reload_insn_chain instead of the rtl structure. Build the
3894 insns_need_reload chain.
3895 Remember which insns need reloading/elimination by setting the
3896 appropriate fields in struct insn_chain, not by putting modes on the
3899 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
3900 arg INSN. All callers changed.
3901 Delete declaration of struct needs.
3902 Don't set something_needs_reloads.
3903 Record insn needs in the CHAIN argument.
3905 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
3907 (reload_as_needed): Lose FIRST arg. All callers changed.
3908 Walk the reload_insn_chain instead of the rtx structure.
3909 Delete code to keep track of current basic block.
3910 Rename one of the NEXT variables to OLD_NEXT.
3912 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
3914 (choose_reload_regs): Likewise.
3916 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
3919 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
3920 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
3921 (hard_regs_live, hard_regs_need_restore): Delete variables.
3922 (n_regs_saved): Now static.
3923 (referenced_regs, this_insn_sets): New variables.
3925 (setup_save_areas): Restructure the code a bit.
3927 (restore_referenced_regs): Delete function.
3928 (mark_referenced_regs): New function, similar to the old
3929 restore_referenced_regs, but mark registers in referenced_regs.
3931 (clear_reg_live): Delete function.
3932 (mark_set_regs): Renamed from set_reg_live. All callers changed.
3933 Only mark registers in this_insn_sets.
3935 (save_call_clobbered_regs): Rework this function to walk the
3936 reload_insn_chain instead of using the list of instructions directly.
3937 Delete code to keep track of register lives, compute live regs on the
3938 fly from information in the chain.
3939 Instead of calling restore_referenced_regs, use mark_referenced_regs,
3940 then walk the set it computes and call insert_restore as appropriate.
3942 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
3944 Restructure the code a bit. Test hard_regs_saved instead of
3945 hard_regs_need_restore.
3946 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
3947 args. All callers changed.
3948 Restructure the code a bit. Use TO_SAVE to determine which regs to
3949 save instead of more complicated test.
3950 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
3952 Create a new insn_chain structure for the new insn and place it
3955 * rtl.texi: Update documentation to reflect that reload no longer
3956 puts modes on the insns.
3958 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3960 * function.c (purge_addressof_1): Force the first argument of a
3961 CALL insn to memory.
3963 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
3965 * rtl.h: Delete duplicate prototypes. Add some missing
3967 * rtlanal.c: (for_each_rtx): Formatting tweak.
3969 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3971 * real.c (emdnorm and etoasc): Disable round to even for c4x target
3972 to be compatible with TI compiler.
3974 * Makefile.in (USER_H): Add va-c4x.h to definition.
3976 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
3978 * function.c (purge_addressof_1): Fix typo in inequality: do
3979 bitfield optimization for equal mode sizes.
3980 * expmed.c (store_bit_field): Don't take subregs of subregs in
3981 the movstrict case. Tidy a potential problem in the multi-word case.
3982 (extract_bit_field): Likewise.
3984 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3986 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
3988 Compute max_uid_for_flow by calling get_max_uid after the scan.
3989 (find_basic_blocks_1): Don't emit NOPs here.
3991 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
3993 * alias.c (base_alias_check): Accept new args for the modes of the
3994 two references. Use them to determine if an AND can overlap. Update
3996 (memrefs_conflict_p): Assume sizes are aligned, and uses them
3997 to determine if an AND can overlap.
3999 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
4001 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
4002 check. Add comment to document problems with TARGET_SUN_FPA version
4004 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
4006 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4008 * Makefile.in (gencheck.o): Depend on gansidecl.h.
4010 * c-common.c (print_char_table): Add missing initializers.
4011 (scan_char_table): Likewise.
4012 (time_char_table): Likewise.
4014 * c-decl.c (c_decode_option): Mark parameter `argc' with
4016 (declare_parm_level): Mark parameter `definition_flag' with
4019 * c-lex.c (readescape): Use `(unsigned)1' in shift.
4020 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
4023 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
4025 (emit_call_1): Mark parameters `fndecl' and `funtype' with
4027 (expand_call): Cast result of MIN() to (unsigned int) when
4028 comparing against an unsigned value.
4030 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
4032 (make_definition): Remove unused parameter `op'. All callers
4034 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
4035 comparing against the result of pointer arithmetic.
4037 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
4038 when comparing against one.
4040 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
4041 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
4043 (output_die): Move variable `i' into the scope in which it is
4044 used. Change its type to `unsigned'.
4045 (output_die): Cast the result of `strlen' to (int) when passing it
4046 to ASM_OUTPUT_ASCII().
4047 (output_pubnames): Likewise.
4048 (output_line_info): Likewise.
4050 * emit-rtl.c (global_rtl): Add missing initializers.
4052 * explow.c (promote_mode): Mark parameter `for_call' with
4055 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
4056 `unsigned HOST_WIDE_INT' when comparing against one.
4057 (synth_mult): Change type of variable `cost' to int.
4058 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
4060 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
4061 when comparing against one.
4062 (get_inner_reference): Change variable `alignment' to unsigned.
4063 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
4064 int) when comparing against one.
4065 (expand_builtin_setjmp): Change type of variable `i' to size_t.
4067 * fold-const.c (div_and_round_double): Cast BASE to
4068 (HOST_WIDE_INT) when comparing against one.
4070 * gencheck.c: Include gansidecl.h.
4071 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
4073 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
4074 `tcode' with ATTRIBUTE_UNUSED.
4076 * real.c (edivm): Cast constant value to (unsigned long) in
4077 expression compared against an unsigned value.
4079 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
4080 comparing against one.
4081 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
4082 when comparing against one.
4084 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
4085 (unsigned int) when comparing against one. Likewise for
4087 (smallest_mode_for_size): Likewise.
4088 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
4089 (restore_storage_status): Likewise.
4091 * toplev.c (debug_args): Add missing initializer.
4092 (f_options): Spelling correction. Add missing initializers.
4093 (documented_lang_options): Likewise.
4094 (debug_end_source_file): Mark parameter `lineno' with
4097 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
4098 `decl' and `type' with ATTRIBUTE_UNUSED.
4100 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
4101 when comparing against one.
4102 (assemble_variable): Mark parameter `top_level' with
4104 (assemble_external_libcall): Mark parameter `fun' with
4106 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
4109 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
4111 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
4112 Replace use of r5 with use of r19.
4114 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
4116 * config/v850/v850.c (compute_register_save_size): Allow for the
4117 fact that helper functions save all registers, not just those used
4120 Replace constant 31 with macro LINK_POINTER_REGNUM.
4122 * config/v850/v850.md: Use 'indirect_operand' rather than
4123 'memory_operand' for bit test/set/clear patterns.
4125 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
4127 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
4128 * varasm.c (assemble_start_function et al): Don't call
4129 ASM_GLOBALIZE_LABEL for weak symbols.
4131 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
4133 * cse.c (equiv_constant): Check for NULL return from
4134 gen_lowpart_if_possible().
4136 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
4138 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
4140 * collect2.c (main): Pass -EL/-EB through to the compiler.
4142 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4144 * expr.c (push_block): Handle targets where the stack grows
4145 to higher addresses, but args grow to lower addresses and
4146 ACCUMULATE_OUTGOING_ARGS is not defined.
4148 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
4150 * config/v850/v850.c (print_operand): Extend meaning
4151 of 'c' operands to support .vtinherit.
4153 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4155 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
4156 Added ATTRIBUTE_UNUSED to unused function arguments.
4157 (rc_reg_operand): New predicate.
4158 (c4x_rptb_insert): New function.
4159 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
4160 (c4x_optimization_options): New function.
4162 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
4163 (decrement_and_branch_on_count): New pattern.
4164 (rptb_top): Modified pattern to work with BCT optimization.
4166 * config/c4x/c4x.h (RC_REG): New register class.
4167 (rc_reg_operand): Define prototype.
4168 (IS_RC_REG): New macro.
4169 (IS_RC_OR_PSEUDO_REG): New macro.
4170 (IS_RC_OR_PSEUDO_REGNO): New macro.
4171 (OPTIMIZATION_OPTIONS): Define.
4173 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
4175 * collect2.c (extract_init_priority): No priority is 65535.
4177 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4179 * Makefile.in (build_tooldir): new variable, same as old
4180 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
4181 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
4182 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
4184 * configure.in (gxx_include_dir): set default based on unlibsubdir
4185 * Makefile.in (tooldir): ditto
4186 (cccp.o, cpplib.o): use unlibsubdir implicitly through
4187 gxx_include_dir, includedir and tooldir
4188 (protoize.o, unprotoize.o): ditto
4190 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
4192 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
4194 * config/arm/thumb.c (thumb_override_options): Add warning about
4195 PIC code not being supported just yet.
4197 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
4199 * flow.c: Update comment.
4200 (notice_stack_pointer_modification): New static function.
4201 (record_volatile_insns): Use it.
4202 (mark_regs_live_at_end): Mark the stack pointer as alive
4203 at the end of the function if current_function_sp_is_unchanging
4205 (life_analysis_1): Set current_function_sp_is_unchanging.
4206 * function.c: Define it.
4207 (init_function_start): Initialize it.
4208 * output.h: Declare it.
4209 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
4210 the stack pointer as alive at the end of the function if
4211 current_function_sp_is_unchanging is set.
4212 * i386.c (ix86_epilogue): Optimize the restoring
4213 of the stack pointer.
4215 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
4217 * version.c: Bump for snapshot.
4219 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
4221 * c-pragma.c (handle_pragma_token): If passed a token instead
4222 of a tree, use that as the pack value.
4224 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
4226 * flow.c (find_basic_blocks_1): Fix prototype.
4228 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
4230 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
4231 (struct tree_decl): New fields no_check_memory_usage.
4232 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
4233 (init_attributes): Register it as a new attribute.
4234 (decl_attributes): Set flags on functions given that attribute.
4235 * c-decl.c (duplicate_decls): Merge new attribute.
4236 * expr.h (current_function_check_memory_usage): Declare new var.
4237 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
4238 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
4239 current_function_check_memory_usage.
4240 * function.h: Add field to struct function.
4241 * function.c (current_function_check_memory_usage): Define it.
4242 (push_function_context_to, pop_function_context_from): Save and
4244 (expand_function_start): Set it, based on global flag and function
4247 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4248 check non-automatic variables, to permit detection of writes to
4249 read-only locations in embedded systems without memory management.
4250 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4251 when emitting chkr_set_right_libfunc call, even if the argument is
4252 BLKmode or variable-sized; don't abort.
4254 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
4255 symbols in Pmode, not VOIDmode.
4257 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4259 * cppexp.c: When forcing unsigned comparisons, cast both sides
4262 * cpphash.h: Move static declaration of hashtab[]...
4263 * cpphash.c: ...here.
4265 * cpplib.c: Cast difference of two pointers to size_t before
4266 comparing it to size_t. Cast signed to unsigned
4267 before comparing to size_t. (FIXME: struct argdata should use
4268 unsigned buffer sizes.)
4269 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
4270 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
4271 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
4272 size_t before comparison.
4274 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
4276 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
4277 (find_basic_blocks_1): Similarly.
4278 * output.h (find_basic_blocks): Fix prototype.
4279 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
4280 find_basic_blocks anymore.
4282 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
4284 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
4285 (sbitmap_free, sbitmap_vector_free): New macros.
4286 * output.h (rtl_dump_file): Declare.
4288 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
4290 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
4292 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4294 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
4296 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
4297 (divide): Remove unused variable `tmp'.
4298 (si_to_float): Cast numeric constant to (SItype) before comparing
4301 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
4303 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
4304 * gcc.c (add_preprocessor_option): Correct typo when allocating
4305 memory, sizeof() argument had one too many `*'.
4306 (add_assembler_option): Likewise.
4307 (add_linker_option): Likewise.
4308 * gcov.c (output_data): Likewise.
4309 * local-alloc.c (memref_used_between_p): Likewise.
4310 (update_equiv_regs): Likewise.
4311 * loop.c (strength_reduce): Likewise.
4312 * reg-stack.c (record_asm_reg_life): Likewise.
4313 (subst_asm_stack_reg): Likewise.
4314 * reorg.c (dbr_schedule): Likewise.
4316 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4318 * flow.c (life_analysis_1): Break out some functions.
4319 (find_basic_blocks_1): Likewise. Also move some variables out and
4321 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
4322 new static var nonlocal_label_list with it.
4323 (active_eh_region, nested_eh_region, label_value_list,
4324 nonlocal_label_list): New static variables.
4325 (make_edges, delete_unreachable_blocks, delete_block): New static
4326 functions, broken out of find_basic_blocks_1.
4327 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
4328 noop_move_p): New static functions, broken out of life_analysis_1.
4330 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
4332 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
4333 Take extra care for op0 now possibly being a subreg.
4334 (extract_bit_field): Likewise.
4335 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
4336 the reg to memory if there is no equal sized integral mode.
4337 * stor-layout.c (int_mode_for_mode): New function.
4338 * machmode.h: Prototype it.
4340 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
4342 * global.c (build_insn_chain): Verify no real insns exist past the
4343 end of the last basic block, then exit the loop.
4345 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4347 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
4349 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
4351 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
4353 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
4355 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
4357 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
4359 * flow.c (find_basic_blocks): Correctly determine when a call
4360 is within an exception region.
4362 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
4364 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
4366 * cpplib.h: Protect from multiple inclusions.
4367 * cpplib.c: Fix minor formatting problems.
4369 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
4371 * jump.c (jump_optimize): Revert accidental patch.
4373 * Makefile.in (cpplib.o): Use unlibsubdir.
4375 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
4377 * loop.c (get_condition): Allow combine when either compare is
4380 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
4382 * version.c: Bump for snapshot.
4384 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
4386 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
4387 (init_lex): Initialize ridpointers[RID_BYREF].
4388 * c-lex.h (enum rid): Add RID_BYREF.
4389 * c-parse.gperf: Add RID_BYREF as a type qualifier.
4390 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
4391 (encode_type_qualifiers): Similarly
4392 * c-gperf.h: Rebuilt.
4394 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
4396 * c-common.c (type_for_mode): Only return TItype nodes when
4397 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4398 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
4399 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4400 (init_decl_processing): Only create TItype nodes when
4401 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4402 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
4403 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4405 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4407 * stmt.c (n_occurrences): New static function.
4408 (expand_asm_operands): Verify that all constrains match in the
4409 number of alternatives.
4410 Verify that '+' or '=' are at the beginning of an output constraint.
4411 Don't allow '&' for input operands.
4412 Verify that '%' isn't written for the last operand.
4413 * reload.c (find_reloads): Abort if an asm is found with invalid
4414 constraints; all possible problems ought to be checked for earlier.
4416 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4418 * flags.h (flag_branch_on_count_reg): Always declare
4419 * toplev.c (flag_branch_on_count_reg): Likewise.
4420 * toplev.c: Fix typos.
4422 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
4425 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
4427 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
4429 (find_basic_blocks_1): Add a nop to the end of a basic block when
4430 a trailing call insn does not have abnormal control flow.
4431 * gcse.c (pre_transpout): New variable.
4432 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
4433 (compute_pre_transpout): Calculate it.
4434 (compute_pre_ppinout): Use it to eliminate impossible placements
4435 due to abnormal control flow through calls.
4436 (compute_pre_data): Call compute_pre_transpout.
4438 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4440 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
4442 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
4444 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
4445 and matching define_insns): Tack on a `use' of the table label, so
4446 flow analysis will recognize a tablejump.
4448 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
4450 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
4451 always end basic blocks for abnormal edge reasons.
4453 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
4455 * config/i386/i386.h: Remove definition of
4456 HANDLE_PRAGMA_PACK_PUSH_POP.
4458 * config/i386/go32.h: Add definition of
4459 HANDLE_PRAGMA_PACK_PUSH_POP.
4461 * config/i386/win32.h: Add definition of
4462 HANDLE_PRAGMA_PACK_PUSH_POP.
4464 * config/i386/cygwin32.h: Add definition of
4465 HANDLE_PRAGMA_PACK_PUSH_POP.
4467 * c-pragma.c (insert_pack_attributes): Do not insert
4468 attributes unless #pragma pack(push,<n>) is in effect.
4470 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
4472 * expr.c (emit_group_store): Handle a PARALLEL destination.
4474 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
4476 * gcse.c (pre_insert_insn): When a call ends a bb, insert
4477 the new insns before the argument regs are loaded.
4479 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4481 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
4482 (c-parse.gperf): Update comments describing invocation flags.
4483 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
4485 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
4487 * reload1.c (reload): Call free before clobbering the memory
4488 locations or constants pointers.
4490 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4492 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
4493 for efficiency by checking whether we need to modify the current
4494 stack permission at all.
4495 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
4496 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
4497 __enable_execute_stack libcall here too if
4498 TRANSFER_FROM_TRAMPOLINE is defined.
4499 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
4502 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
4504 * Makefile.in (DRIVER_DEFINES): Remove last change.
4506 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4508 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
4509 insns we're going to copy.
4510 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
4512 * loop.c (count_one_set): Add prototype.
4514 * caller-save.c (restore_referenced_regs): Lose mode argument.
4515 (insert_save): Lose mode argument.
4516 (insert_restore): Lose mode argument.
4517 (insert_one_insn): Lose mode argument.
4518 (save_call_clobbered_regs): Lose mode argument.
4519 (setup_save_areas): Take no argument and return void. All callers
4521 Don't verify validity of memory addresses.
4522 * reload.h (setup_save_ares): Adjust prototype.
4523 (save_call_clobbered_regs): Likewise.
4524 * reload1.c (delete_caller_save_insns): New function.
4525 (caller_save_spill_class): Delete variable.
4526 (caller_save_group_size): Delete variable.
4527 (reload): Call setup_save_areas and save_call_clobbered_regs
4528 in the main loop, before calling calculate_needs_all_insns.
4529 Don't call save_call_clobbered_regs after the loop.
4530 Call delete_caller_save_insns at the end of an iteration if
4532 Delete code to manage caller_save_spill_class.
4533 Emit the final note before setting reload_first_uid.
4534 Simplify test that determines whether reload_as_needed gets run.
4535 (calculate_needs): Delete code to manage caller_save_spill_class.
4537 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
4539 * collect2.c (main): Initialize ld_file_name.
4541 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
4543 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
4544 check for flag_function_sections.
4546 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4548 * cse.c (insert_regs): Fix bug in Sep 24 change.
4550 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4552 * flags.h (flag_dump_unnumbered): Declare.
4553 * toplev.c (flag_dump_unnumbered): Don't declare.
4554 * print-rtl.c (flags.h): Include.
4555 (print_rtl_single): Add return value.
4556 * rtl.h (print_rtl_single): Update declaration.
4557 * flow.c (flag_dump_unnumbered): Don't declare.
4558 (print_rtl_with_bb): Use return value of print_rtl_single.
4560 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4562 * loop.c (count_one_set): New static function, broken out of
4564 (count_loop_regs_set): Call it.
4565 * global.c (mark_reg_store): Handle clobbers here by not calling
4567 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
4568 is in fact a clobber.
4569 * integrate.c (process_reg_param): New function, broken out of
4570 expand_inline_function.
4571 (expand_inline_function): Call it.
4574 * i386.md (addsidi3_1): Delete unused variable temp.
4575 (addsidi3_2): Likewise.
4576 (clstrstrsi): Delete unused variable addr1.
4578 * rtl.h: Don't declare any functions also declared in recog.h.
4580 * Makefile.in (stupid.o): Update dependencies.
4581 (global.o): Likewise.
4583 * global.c: Include reload.h
4584 (reg_becomes_live): New function.
4585 (reg_dies): New function.
4586 (build_insn_chain): New function.
4587 (global_alloc): Call build_insn_chain before calling reload.
4589 * reload.h (struct needs): New structure definition.
4590 (struct insn_chain): Likewise.
4591 (reload_insn_chain): Declare variable.
4592 (new_insn_chain): Declare function.
4595 * reload1.c (reload_startobj): New variable.
4596 (reload_insn_chain): New variable.
4597 (unused_insn_chains): New variable.
4598 (new_insn_chain): New function.
4599 (init_reload): Initialize reload_startobj, not reload_firstobj.
4600 (reload): Initialize reload_firstobj.
4601 Before returning, free everything on the reload_obstack.
4603 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
4604 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
4605 current_chain): New variables.
4606 (reg_where_born): Delete variable.
4607 (REG_WHERE_BORN): New macro.
4608 (find_clobbered_regs): New function.
4609 (stupid_life_analysis): Don't allocate/free reg_where_born.
4610 Allocate and free reg_where_born_exact, reg_where_born_clobber,
4611 reg_where_dead_chain.
4612 Use REG_WHERE_BORN instead of reg_where_born.
4613 While processing the insns, build the reload_insn_chain with
4614 information about register lifetimes.
4615 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
4616 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
4618 Compute and information about birth and death of pseudo registers in
4619 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
4620 Delete code to set elements of reg_where_born.
4622 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4624 * tree.def (GOTO_EXPR): Modified documentation.
4625 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
4628 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
4630 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
4631 loop_final_value, loop_comparison_code): No longer static.
4632 (unroll_loop): Delete loop_start_value update.
4633 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
4634 loop_final_value, loop_comparison_code): Extern.
4635 (loop_start_value): Delete extern.
4636 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
4637 loop_comparison_value, loop_comparison_code): Delete.
4638 (loop_optimize): Remove initialization for deleted variables.
4639 (strength_reduce): Delete analyze_loop_iterations call. Only call
4640 insert_bct if flag_branch_count_on_reg set.
4641 (analyze_loop_iterations): Delete.
4642 (insert_bct): Remove iteration count calculation. Move checks for
4643 viable BCT optimization to here. Obtain iteration count from
4644 loop_iterations and correct for unrolling. Check for enough
4645 iteration to be beneficial. Comment out runtime iteration count
4647 (insert_bct): Print iteration count in dump file. Remove
4648 loop_var_mode and use word_mode directly.
4650 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
4651 * rs6000.c (rs6000_override_options): Use it.
4652 (optimization_options): Enable use of flag_branch_on_count_reg.
4653 * rs6000.md (define_function_unit): Describe 604e.
4655 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4657 * loop.c (move_movables): Corrected threshold calculation for
4658 moved_once registers.
4660 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4662 * loop.c (combine_givs_p): Fix test for identical givs.
4664 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
4666 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
4667 call abort if the function is already defined.
4669 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
4671 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
4672 truncation is not a no-op.
4674 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
4676 * version.c: Bump for snapshot.
4678 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
4680 * version.c: Bump for snapshot.
4682 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
4684 * expmed.c (expand_divmod): Don't widen for computing remainder
4685 if we seem to have a divmod pattern for needed mode.
4687 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4689 * cpplib.c (macroexpand): Correct off-by-one error in handling
4692 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
4694 * combine.c (expand_field_assignment): Don't do bitwise operations
4695 on MODE_FLOAT; pun to MODE_INT if possible.
4697 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
4698 scott snyder <snyder@d0sgif.fnal.gov>
4700 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
4701 linker. Recognize mangled names in quotes.
4703 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4705 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
4706 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
4707 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
4708 (lshrsi3_extend, lshrsi3_extend2): Ditto.
4710 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4712 * function.c (purge_addressof_1): If trying to take a sub-word
4713 integral piece of a floating point mode, put it on the stack.
4715 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
4717 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
4719 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
4721 * PROJECTS: Remove template friends.
4723 * collect2.c (sort_ids): Remove unused variable.
4725 * tm.texi (MATH_LIBRARY): Document.
4726 (NEED_MATH_LIBRARY): Remove.
4728 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
4729 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
4731 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
4733 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
4734 last_end to 0x7fffffff.
4736 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4738 * function.c (purge_addressof_1): Do not perform endianness
4739 corrections on bitpos, who we call will do it for us.
4741 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
4743 * h8300.c (WORD_REG_USED): Fix typo.
4744 (initial_offset): Use WORD_REG_USED.
4746 * h8300.c (handle_pragma): Fix typo.
4748 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4750 * caller-save.c (insert_save_restore): Break this function up
4751 into new functions insert_restore, insert_save and insert_one_insn.
4752 All callers changed.
4753 (insert_restore): New function, mostly broken out of
4754 insert_save_restore.
4755 (insert_save): Likewise.
4756 (insert_one_insn): Likewise.
4757 (restore_referenced_regs): New argument BLOCK. All callers changed.
4758 (save_call_clobbered_regs): Don't keep track of basic block boundaries
4759 in this function, do it in insert_one_insn instead.
4761 * reload1.c (reload): Break out some more pieces into separate
4763 (dump_needs): New function, broken out of reload.
4764 (set_initial_elim_offsets): Likewise.
4765 (init_elim_table): Likewise.
4766 (update_eliminables): Likewise.
4768 * global.c (global_alloc): Delete code to manage the scratch_list.
4769 * local-alloc.c (qty_scratch_rtx): Delete.
4770 (scratch_block): Delete.
4771 (scratch_list): Delete.
4772 (scratch_list_length): Delete.
4773 (scratch_index): Delete.
4774 (alloc_qty_for_scratch): Delete.
4775 (local-alloc): Update initialization of max_qty.
4776 Delete code to manage the scratch list.
4777 Delete code to allocate/initialize qty_scratch_rtx.
4778 (block_alloc): Don't allocate quantities for scratches.
4779 Delete code to manage the scratch list.
4780 * regs.h (scratch_list): Delete declaration.
4781 (scratch_block): Delete declaration.
4782 (scratch_list_length): Delete declaration.
4783 * reload1.c (reload): Delete code to manage the scratch list.
4784 (spill_hard_reg): Likewise.
4785 (mark_scratch_live): Delete.
4787 * recog.c (alter_subreg): Delete declaration.
4789 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
4791 * Makefile.in (cccp.o): Fix typo in last patch.
4793 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4795 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
4796 * config/sh/lib1funcs.asm (___set_fpscr): Add.
4798 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
4800 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
4801 NULL_RTX as an argument.
4803 * Makefile.in (unlibsubdir): Define.
4804 (DRIVER_DEFINES): Use unlibsubdir.
4805 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
4806 (stmp-fixinc): Similarly.
4808 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4810 * regmove.c (regmove_optimize): Add variable old_max_uid.
4811 At the end of the function, update basic_block_end.
4813 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4815 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
4816 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
4819 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
4821 * config/arm/arm.c: Improve interworking support.
4823 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4825 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
4826 copied from reload_out[r] .
4828 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
4830 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
4831 with more than three size ranges.
4833 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
4835 * rtl.c (mode_name): Add a null string at the end of the array.
4836 (mode_wider_mode): Change type to unsigned char.
4837 (mode_mask_array): New variable.
4838 (init_rtl): Update for mode_wider_mode type change.
4840 * rtl.h (mode_wider_mode): Change type to unsigned char.
4841 (mode_mask_array): Declare.
4842 (GET_MODE_MASK): Use mode_mask_array.
4844 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
4846 * calls.c (expand_call) : Encapsulate code into
4847 copy_blkmode_from_reg.
4848 * expr.c (copy_blkmode_from_reg): New function.
4849 * expr.h (copy_blkmode_from_reg): New function.
4850 * integrate.c (function_cannot_inline_p): We can inline
4852 (expand_inline_function): Use copy_blkmode_from_reg
4853 if needed. Avoid creating BLKmode REGs.
4854 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
4857 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
4859 * config/v850/v850.c: Add function prototypes.
4860 Add support for v850 special data areas.
4862 * config/v850/v850.h: Add support for v850 special data areas.
4864 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
4865 HANDLE_PRAGMA_PACK_PUSH_POP.
4866 (push_alignment): New function: Cache an alignment requested
4867 by a #pragma pack(push,<n>).
4868 (pop_alignment): New function: Pop an alignment from the
4870 (insert_pack_attributes): New function: Generate __packed__
4871 and __aligned__ attributes for new decls whilst a #pragma pack
4873 (add_weak): New function: Cache a #pragma weak directive.
4874 (handle_pragma_token): Document calling conventions. Add
4875 support for #pragma pack(push,<n>) and #pragma pack (pop).
4877 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
4878 are defined enable HANDLE_PRAGMA_PACK.
4879 Move 'struct weak_syms' here (from varasm.c).
4880 Add pragma states for push and pop pragmas.
4882 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
4885 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
4886 HANDLE_GENERIC_PRAGMAS.
4888 * varasm.c: Move definition of 'struct weak_syms' into
4890 (handle_pragma_weak): Deleted.
4892 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
4894 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
4896 * c-decl.c (start_function): Add invocation of
4897 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
4899 * tm.texi: Remove description of non-existant macro
4900 SET_DEFAULT_SECTION_NAME.
4902 (HANDLE_SYSV_PRAGMA): Document.
4903 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
4905 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
4907 * config.sub: Recognize i[34567]86-pc-udk as new target.
4908 * configure.in: Likewise.
4909 * config/i386/t-udk: New file.
4910 * config/i386/udk.h: New file.
4912 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
4914 * reorg.c (check_annul_list_true_false): Remove unused variables.
4915 (steal_delay_list_from_target): Add missing "used_annul" variable.
4916 (try_merge_delay_insns): Close out half formed comment.
4918 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4920 * cpplib.c (macroexpand): If arg->raw_before or
4921 arg->raw_after, remove any no-reexpansion escape at the
4922 beginning of the pasted token. Correct handling of whitespace
4923 markers and no-reexpand markers at the end if arg->raw_after.
4925 * toplev.c (documented_lang_options): Recognize -include,
4926 -imacros, -iwithprefix, -iwithprefixbefore.
4927 * cpplib.c (cpp_start_read): Process -imacros and -include
4928 switches at the same time and in command-line order, after
4929 initializing the dependency-output code. Emit properly nested
4930 #line directives for them. Emit a #line for the main file
4931 before processing these switches, and don't do it again
4934 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
4936 * function.c (purge_addressof_1): Use bitfield manipulation
4937 routines to handle mem mode < reg mode.
4939 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4941 * reorg.c (try_merge_delay_insns): Account for resources referenced
4942 in each instruction in INSN's delay list before trying to eliminate
4943 useless instructions. Similarly when looking at a trial insn's delay
4946 * reorg.c (check_annul_list_true_false): New function.
4947 (steal_delay_list_from_{target,fallthrough}): Call it and also
4948 refine tests for when we may annul if already filled a slot.
4949 (fill_slots_from_thread): Likewise.
4950 (delete_from_delay_slot): Return newly-created thread.
4951 (try_merge_delay_isns): Use its new return value.
4953 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
4955 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
4956 used to compute a giv or as some other non-counting use.
4958 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4960 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
4961 * local-alloc.c (find_free_reg): Use it.
4962 * global.c (find_reg): Likewise.
4963 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
4965 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
4966 * caller-save.c (init_caller_save): Use it.
4967 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
4969 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4971 * configure.in: Add --enable-cpplib option which uses cpplib
4972 for cpp, but doesn't link cpplib into cc1. Make help text
4973 capitalization consistent.
4974 * configure: Rebuilt.
4976 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
4978 * function.c (gen_mem_addressof): If the address REG is
4979 REG_USERVAR_P make the new REG be so also.
4980 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
4981 in an attempt to clarify slightly.
4983 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
4985 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
4986 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
4988 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
4990 * toplev.c: Fix last patch.
4992 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
4994 * loop.c (get_condition): Fix typo in May 9 change.
4996 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
4998 * invoke.texi (-fexceptions): Merge 2 different descriptions.
5000 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5002 * toplev.c (documented_lang_options): Spelling corrections.
5004 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5006 * configure.in: new flags --with-ld and --with-as, equivalent
5007 to setting LD and AS environment variables. Test whether
5008 specified arguments are GNU commands, and report them with
5009 checking messages. Use the specified AS for configure
5012 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
5014 * gcc.c (find_a_file): when looking for `as' and `ld', return
5015 the DEFAULT program if it exists
5016 * collect2.c (main): use DEFAULT_LINKER if it exists
5018 * gcc.c (find_a_file): the test for existence of a full
5019 pathname was reversed
5021 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
5023 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
5024 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
5026 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
5028 * tree.h (TYPE_BINFO): Document.
5030 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
5032 * i386-coff.h (dbxcoff.h): Added.
5034 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
5036 * toplev.c: fix bad patch around flag_data_sections.
5038 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
5040 * reload1.c (reload): Use reload_address_index_reg_class and
5041 reload_address_base_reg_class when setting
5042 caller_save_spill_class. (Patch generated by Jim Wilson:
5045 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
5047 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
5048 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
5049 * expr.c (store_field): Add alias_set parameter. Set the
5050 MEM_ALIAS_SET accordingly, if the target is a MEM.
5051 (expand_assignment): Use it.
5052 (store_constructor_field): Pass 0.
5053 (expand_expr): Likewise.
5055 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
5057 * flags.h: Add flag_data_sections.
5058 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
5059 (compile_file): Error if flag_data_sections not supported.
5060 * varasm.c (assemble_variable): Handle flag_data_sections.
5061 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
5062 * config/mips/elf.h: Likewise.
5063 * config/mips/elf64.h: Likewise.
5064 * invoke.texi: Describe -fdata-sections.
5066 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
5068 * invoke.texi (-ffloat-store): Clarify that this option
5069 does not affect intermediate results -- only variables.
5071 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
5073 * cpp.texi: Update for Fortran usage from Craig.
5075 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5077 * rs6000.c (function_arg_boundary): Revert accidental change on
5080 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
5082 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
5083 (output_mi_thunk): Declare.
5085 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
5086 (output_function_profiler): Use r12 for temp, instead of r11 so
5087 that we preserve the static chain register.
5089 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
5091 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
5093 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5095 * sh.c (gen_shl_sext): Fix case 5.
5097 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5099 * reload1.c (reload_combine): Re-add line that got accidentally lost.
5101 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5103 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
5104 accessing variables until they are initialized via va_arg().
5106 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5108 * reload1.c (reload_combine): Initialize set before using.
5110 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
5112 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
5115 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
5117 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
5118 operand3 with mask before using it. Patch provided by Jim Wilson.
5120 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5122 * config/sparc/sparc.c (function_value): Perform the equivalent of
5123 PROMOTE_MODE for ARCH64.
5124 (eligible_for_epilogue_delay): Allow DImode operations in delay
5125 slot of a return for ARCH64.
5127 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5129 * sh.md (sqrtsf2): Fix mode of sqrt.
5131 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5133 * reload1.c (choose_reload_regs): Also try inheritance when
5134 reload_in is a stack slot of a pseudo, even if we already got a
5137 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5139 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
5140 (reload_cse_regs): New function body: call reload_cse_regs_1,
5141 reload_combine, reload_cse_move2add.
5142 When doing expensive_optimizations, call reload_cse_regs_1 a
5143 second time after reload_cse_move2add.
5144 (reload_combine, reload_combine_note_store): New functions.
5145 (reload_combine_note_use): New function.
5146 (reload_cse_move2add, move2add_note_store): New functions.
5148 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5150 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
5151 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
5153 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
5154 more than 3 such reloads.
5156 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
5157 RELOAD_FOR_X_ADDR_ADDR reload.
5159 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5161 * expr.c (store_constructor): When initializing a field that is smaller
5162 than a word, at the start of a word, try to widen it to a full word.
5164 * cse.c (cse_insn): When we are about to change a register,
5165 remove any invalid references to it.
5167 (remove_invalid_subreg_refs): New function.
5168 (mention_regs): Special treatment for SUBREGs.
5169 (insert_regs): Don't strip SUBREG for call to mention_regs.
5170 Check if reg_tick needs to be bumped up before that call.
5171 (lookup_as_function): Try to match known word_mode constants when
5172 looking for a norrower constant.
5173 (canon_hash): Special treatment for SUBREGs.
5175 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5177 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
5178 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
5179 defined, emit libcall to __enable_execute_stack. Also fix opcodes
5180 and offsets in actual stack trampoline code so they match the
5181 commentary and actually work.
5183 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5185 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
5187 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
5188 tmake_file. Set extra_parts to needed crt objects.
5189 * configure: Rebuilt.
5190 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
5191 (TARGET_DEFAULT): Set if default is v9 or ultra.
5192 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
5193 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
5194 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
5195 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
5196 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
5197 (TARGET_VERSION): Define.
5198 (MULTILIB_DEFAULT): Define.
5199 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
5200 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
5201 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
5203 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
5204 * config/sparc/sparc.c (sparc_override_options): If arch and
5205 pointer size disagree, emit diagnostic and fix it up. If
5206 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
5207 V8PLUS in 64-bit mode.
5208 * config/sparc/t-linux64: New file.
5209 * config/sparc/t-sol2-64: New file.
5210 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
5211 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
5212 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
5213 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
5214 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
5215 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
5217 (STARTFILE_SPEC): Set approriately based upon those.
5218 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
5219 disposition of DEFAULT_ARCH32_P.
5220 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
5221 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
5222 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
5223 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
5224 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
5226 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
5228 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
5230 * rtl.h (init_virtual_regs): New function.
5231 * emit-rtl.c (init_virtual_regs): Define.
5232 (insn_emit): Use it.
5233 * integrate.c (save_for_inline_copying): Likewise.
5235 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
5237 * config/arm/thumb.h: The following patches were made by Jim Wilson:
5238 (enum reg_class): Add NONARG_LO_REGS support.
5239 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5240 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
5241 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
5242 completes. Re-enable HImode REG+OFFSET addresses.
5243 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5245 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5247 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5249 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5250 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5251 (alpha_align_insns): Properly calculate initial offset wrt max_align.
5253 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
5255 * arm.c (find_barrier): Revert change of Apr 23. Handle table
5256 jumps as a single entity, taking into account the size of the
5259 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5261 * tree.def (SWITCH_EXPR): New tree node definition.
5263 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
5265 * version.c: Bump for snapshot.
5267 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
5269 * version.c: Bump for snapshot.
5271 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
5273 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
5276 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
5278 * Revert this patch.
5279 * reload.c (find_reloads): Do not replace a pseudo with
5280 (MEM (reg_equiv_addr)) in the initializing insn for the
5283 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
5285 * final.c (final_scan_insn): Disable tracking CC across branches.
5287 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5289 * expr.h (eh_rtime_match_libfunc): New extern declaration.
5290 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
5291 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
5292 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
5293 NULL. Only include <stdio.h> if inhibit_libc is not defined.
5295 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
5297 * toplev.c (rest_of_compilation): Skip compiling anything with
5298 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
5300 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
5302 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
5303 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
5304 use in_libcall_block.
5305 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
5306 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
5309 Mon Sep 21 14:02:23 1998
5311 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
5312 typo in no-fancy-math-387 description.
5314 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
5316 * version.c: Bump for snapshot.
5318 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
5320 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
5322 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
5324 * i386.h: (TARGET_SWITCHES) Add description fields for flags
5325 documented in install.texi.
5326 (TARGET_OPTIONS) Likewise.
5328 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
5330 * version.c: Bump for snapshot.
5332 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
5334 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
5335 * cccp.c (main): Likewise.
5337 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
5338 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
5341 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
5343 * Makefile.in (LIBS): Link in libiberty.a.
5344 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
5346 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
5348 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
5349 it to update bb boundaries. Update caller.
5350 * function.c (reposition_prologue_and_epilogue_notes): Update
5351 bb boundaries wrt the moved note.
5353 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
5355 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
5357 * configure: Regenerate.
5359 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
5361 * alpha.c (alpha_sr_alias_set): New variable.
5362 (override_options): Set it.
5363 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
5364 (mode_mask_operand): Fix signed-unsigned comparision warning.
5365 (alpha_expand_block_move): Likewise.
5366 (print_operand): Likewise.
5367 (get_aligned_mem): Use change_address.
5368 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
5369 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
5370 (alphaev4_next_nop, alphaev5_next_nop): New functions.
5371 (alpha_align_insns): Remade from old alphaev5_align_insns
5372 to handle multiple processors.
5373 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
5374 * output.h (label_to_alignment): Prototype.
5376 * tree.c (new_alias_set): New function.
5377 * tree.h (new_alias_set): Declare it.
5378 * c-common.c (c_get_alias_set): Use it.
5380 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
5382 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
5383 to an ABS expr, convert an unsigned input to signed.
5385 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
5387 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
5389 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5391 * configure.in: Add support for c4x targets.
5392 * configure: Rebuilt.
5394 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
5396 * combine.c (distribute_notes): If an insn is a cc0 user, only
5397 delete it if we can also delete the cc0 setter.
5399 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
5401 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
5402 (invert_truthvalue): Enable truthvalue inversion for
5403 floating-point operands if -ffast-math.
5405 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
5407 * configure.in: Disable collect2 for nextstep. Instead use
5409 * configure: Rebuilt.
5410 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
5411 (ENDFILE_SPEC): Define.
5412 (OBJECT_FORMAT_MACHO): Define.
5413 (EH_FRAME_SECTION_ASM_OP): Define.
5414 * crtstuff.c: Handle MACHO.
5416 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
5418 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
5420 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
5422 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
5423 (_fpadd_parts): Get sign right for 0.
5425 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5427 * ginclude/varargs.h: Add support for C4x target.
5428 * ginclude/stdargs.h: Likewise.
5430 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
5432 * alpha.c (alpha_return_addr): SET should be VOIDmode.
5433 (alpha_emit_set_long_const): Rewrite to be callable from reload
5435 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
5436 * alpha.md (movdi): Likewise.
5438 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
5440 * arm.c (add_constant): New parameter address_only, change caller.
5441 Set it non-zero if taking the address of an item in the pool.
5442 (arm_reorg): Handle cases where we need the address of an item in
5445 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
5447 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
5448 memory addresses that are not in standard canonical form.
5450 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
5452 * README.C4X: New file with information about the c4x ports.
5453 * ginclude/va-c4x.h: New file for c4x varargs support.
5454 * config/c4x: New directory with c4x port files.
5456 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
5458 * reload.c (find_reloads): Do not replace a pseudo with
5459 (MEM (reg_equiv_addr)) in the initializing insn for the
5462 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
5464 * toplev.c (rest_of_compilation): Set bct_p on second call to
5466 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
5468 (strength_reduce): Only call analyze_loop_iterations and
5469 insert_bct if bct_p set.
5470 (check_dbra_loop): Fix typo.
5471 (insert_bct): Use word_mode instead of SImode.
5472 (instrument_loop_bct): Likewise. Do not delete iteration count
5473 condition code generation insn. Initialize iteration count before
5475 * rtl.h (loop_optimize): Update prototype.
5477 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
5478 not doubleword aligned.
5480 * rs6000.c (optimization_options): New function.
5481 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
5482 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
5483 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
5484 first; cr1 can be used for FP record condition insns.
5486 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
5488 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
5491 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
5494 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
5496 (block_move_call): New function: Call a library routine to copy a
5498 (m32r_expand_block_move): New function: Expand a "movstrsi"
5499 pattern into a sequence of insns.
5500 (m32r_output_block_move): New function: Expand a
5501 "movstrsi_internal" pattern into a sequence of assembler opcodes.
5502 (m32r_block_immediate_operand): New function: Return true if the
5503 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
5505 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5507 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
5509 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
5511 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5513 * regmove.c (copy_src_to_dest): Check that modes match.
5515 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
5517 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
5519 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
5521 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
5522 narrower than FLOAT_REGS.
5524 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5526 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
5528 * Makefile.in (old_gxx_include_dir): removed
5530 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
5532 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
5535 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
5536 (sh_handle_pragma): Change function arguments to match new
5537 specification for HANDLE_PRAGMA.
5539 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5541 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
5543 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
5544 When generating output, initialize missing struct member to zero.
5546 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5548 * regmove.c (copy_src_to_dest): Don't copy if that requires
5549 (a) new register(s).
5551 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5553 * global.c (reg_allocno): Now static.
5554 * reload1.c (reg_allocno): Delete declaration.
5555 (order_regs_for_reload): Take no arguments. Don't treat regs
5556 allocated by global differently than those allocated by local-alloc.
5558 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
5560 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
5561 condition, fix format strings.
5562 (output_function_epilogue): Likewise.
5564 * m68k/m68k.c: Don't include <stdlib.h> directly.
5566 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
5568 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
5569 mem_first_set, mem_last_set; because 0 can be a CUID.
5570 (oprs_unchanged_p): Use new definition.
5571 (record_last_reg_set_info): Likewise.
5572 (record_last_mem_set_info): Likewise.
5573 (compute_hash_table): Likewise.
5575 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
5577 * rs6000.c (output_epilogue): Handle Chill.
5579 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5580 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5582 * combine.c (make_extraction): If no mode is specified for
5583 an operand of insv, extv, or extzv, default it to word_mode.
5584 (simplify_comparison): Similarly.
5585 * expmed.c (store_bit_field): Similarly.
5586 (extract_bit_field): Similarly.
5587 * function.c (fixup_var_regs_1): Similarly.
5588 * recog.c (validate_replace_rtx_1): Similarly.
5589 * mips.md (extv, extzv, insv expanders): Default modes for most
5590 operands. Handle TARGET_64BIT.
5591 (movdi_uld, movdi_usd): New patterns.
5593 * pa.c (emit_move_sequence): Do not replace a pseudo with its
5594 equivalent memory location unless we have been provided a scratch
5595 register. Similarly do not call find_replacement unless a
5596 scratch register has been provided.
5598 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5600 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
5603 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
5605 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
5606 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
5607 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
5608 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
5609 * c-decl.c (init_decl_processing): Update accordingly.
5610 * expr.c (expand_builtin): Likewise.
5612 * rtl.h (global_rtl): Add cfa entry.
5613 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
5614 (LAST_VIRTUAL_REGISTER): Update.
5615 * emit-rtl.c (global_rtl): Add cfa entry.
5616 (init_emit): Initialize it.
5617 * function.c (cfa_offset): New.
5618 (instantiate_virtual_regs): Initialize it.
5619 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
5620 (expand_function_end): Call expand_eh_return.
5621 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
5623 * except.c (current_function_eh_stub_label): Kill.
5624 (current_function_eh_old_stub_label): Likwise; update all references.
5625 (expand_builtin_set_return_addr_reg): Kill.
5626 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
5627 (expand_builtin_set_eh_regs): Kill.
5628 (eh_regs): Produce a third reg for the actual handler address.
5629 (eh_return_context, eh_return_stack_adjust): New.
5630 (eh_return_handler, eh_return_stub_label): New.
5631 (init_eh_for_function): Initialize them.
5632 (expand_builtin_eh_return, expand_eh_return): New.
5633 * except.h: Update prototypes.
5634 * flow.c (find_basic_blocks_1): Update references to the stub label.
5635 * function.h (struct function): Kill stub label elements.
5637 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
5638 register number is one that would be in the previous window.
5639 Provide a dummy definition for non-windowed targets.
5640 (get_reg_addr): New function.
5641 (get_reg, put_reg, copy_reg): Use it.
5642 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
5643 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
5645 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
5646 (alpha_init_expanders): Initialize it.
5647 (alpha_expand_epilogue): Use it.
5648 * alpha.h: Declare it.
5649 * alpha.md (eh_epilogue): New.
5651 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
5652 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
5654 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
5656 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
5659 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5661 * except.h (struct eh_entry): Add false_label field.
5662 (end_catch_handler): Add prototype.
5663 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
5664 (start_catch_handler): When using old style exceptions, issue
5665 runtime typematch code before continuing with the handler.
5666 (end_catch_handler): New function, generates label after handler
5667 if needed by older style exceptions.
5668 (expand_start_all_catch): No need to check for new style exceptions.
5669 (output_exception_table_entry): Only output the first handler label
5670 for old style exceptions.
5671 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
5672 mechanism into one function, if a runtime matcher is provided.
5674 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5676 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
5678 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
5680 * integrate.c (copy_decl_list): Fix typo.
5682 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5684 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
5687 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
5689 * version.c: Bump for snapshot.
5691 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
5693 * version.c: Bump for snapshot.
5695 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
5697 * version.c: Bump for snapshot.
5699 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5701 * invoke.texi (C Dialect Options): Put back missing @end itemize.
5703 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5705 * configure.in: remove usage of `!' to negate the result of a
5706 command; some common shells do not support it
5708 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5710 * configure.in: in sparc9-sol2 config, use 'if test' not
5712 * configure: Rebuilt.
5714 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
5716 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
5717 (CPP_CPU_DEFAULT_SPEC): Likewise.
5718 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
5719 for arch64 libfuncs.
5721 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
5724 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5726 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
5728 * collect2.c: Don't declare `sys_siglist' here.
5729 (my_strsignal): Prototype and define new function. Use it in
5730 place of `sys_siglist' hacks.
5732 * mips_tfile.c: Likewise.
5734 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
5735 (GCC_NEED_DECLARATIONS): Likewise.
5737 * system.h (strsignal): Prototype it, if necessary.
5738 (sys_siglist): Declare it, if necessary.
5740 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5742 * loop.c (move_movables): While removing insn sequences, preserve
5743 the next pointer of the most recently deleted insn when we skip
5746 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
5748 * objc/config-lang.in: Do not output the name of the selected
5749 thread file when building the front-end. The Makefile for the
5750 runtime library will do this.
5752 * objc/Make-lang.in: Do not build the runtime library or install
5753 the Objective C header files. The Makefile for the runtime
5754 library will do this.
5756 * objc/Makefile.in (all.indirect): Only build the front-end.
5757 (compiler): Rename to `frontend'.
5758 (obj-runtime): Remove target.
5759 (copy-headers): Likewise.
5760 (clean): No need to remove `libobjc.a' any longer.
5762 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
5764 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
5765 supported with -mcpu=xxx.
5767 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5769 * flow.c (mark_set_1): Recognize multi-register structure return
5770 values in CALL insns.
5771 (mark_used_regs): Likewise.
5772 (count_reg_sets_1): Likewise.
5773 (count_reg_references): Likewise.
5774 * rtlanal.c (note_stores): Likewise.
5775 (reg_overlap_mentioned_p): Likewise.
5776 * haifa-sched.c (check_live_1): Likewise.
5777 (update_live_1): Likewise.
5778 (sched_analyze_1): Likewise.
5779 (sched_note_set): Likewise.
5780 (birthing_insn_p): Likewise.
5781 (attach_deaths): Likewise.
5783 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
5786 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
5788 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
5790 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5792 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
5794 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5796 * configure.in: Add check for GAS subsection -1 support.
5797 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
5798 * configure config.in: Rebuilt.
5799 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
5800 SImode is subsection -1 works, else use DImode.
5801 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
5802 subsection -1 works.
5803 * config/sparc/sparc.c (sparc_output_addr_vec,
5804 sparc_output_addr_diff_vec): Use them if defined.
5806 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
5808 * tree.h (DECL_ORIGIN): New macro.
5809 * integrate.c (copy_and_set_decl_abstract_origin): New function.
5810 (copy_decl_list): Use it.
5811 (integrate_parm_decls): Likewise.
5812 (integrate_decl_tree): Likewise.
5813 * dwarf2out.c (decl_ultimate_origin): Simplify.
5814 * dwarfout.c (decl_ultimate_origin): Likewise.
5815 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
5816 (pushdecl): Likewise.
5818 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
5820 * config/rs6000/rs6000.c (output_epilog): Add Java support.
5822 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
5824 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
5826 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
5828 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
5829 empty or has a single entry.
5831 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
5832 before calling reg_to_stack.
5834 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
5836 * alpha.c (alphaev5_insn_pipe): Abort on default case.
5837 (alphaev5_next_group): Swallow CLOBBERs and USEs.
5839 * c-tree.h (warn_long_long): Declare it.
5841 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
5843 * emit-rtl.c (gen_lowpart_common): Disable optimization of
5844 initialized float-int union if the value is a NaN.
5846 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
5848 * c-lex.c (real_yylex): Don't warn about long long constants if
5849 we're allowing long long
5851 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5853 * except.h (current_function_eh_stub_label): Declare.
5854 (current_function_eh_old_stub_label): Declare.
5855 * function.h (struct function): New members eh_stub_label and
5857 * except.c (current_function_eh_stub_label): New variable.
5858 (current_function_eh_old_stub_label): New variable.
5859 (init_eh_for_function): Clear them.
5860 (save_eh_status): Save them.
5861 (restore_eh_status): Restore them.
5862 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
5863 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
5864 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
5865 make an edge from the block that contains it to the block starting
5866 with the label if this label is one of the eh stub labels.
5867 If eh stub labels exist, show they are reachable from the last block
5870 * reload1.c (reload): Break out several subroutines and make some
5872 (calculate_needs_all_insns): New function, broken out of reload.
5873 (calculate_needs): Likewise.
5874 (find_reload_regs): Likewise.
5875 (find_group): Likewise.
5876 (find_tworeg_group): Likewise.
5877 (something_needs_reloads): New global variable, formerly in reload.
5878 (something_needs_elimination): Likewise.
5879 (caller_save_spill_class): Likewise.
5880 (caller_save_group_size): Likewise.
5881 (max_needs): Likewise.
5882 (group_size): Likewise.
5883 (max_groups): Likewise.
5884 (max_nongroups): Likewise.
5885 (group_mode): Likewise.
5886 (max_needs_insn): Likewise.
5887 (max_groups_insn): Likewise.
5888 (max_nongroups_insn): Likewise.
5889 (failure): Likewise.
5891 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
5893 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
5895 * loop.c (load_mems): Copy rtx for output mem.
5897 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
5899 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
5900 mips1 or mips2 either.
5902 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
5904 * pa.c (pa_reorg): New marking scheme for jumps inside switch
5906 (pa_adjust_insn_length): Update to work with new marking scheme
5907 for jumps inside switch tables.
5908 * pa.md (switch_jump): Remove pattern.
5909 (jump): Handle jumps inside jump tables.
5911 * Makefile.in (profile.o): Depend on insn-config.h
5913 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
5915 * iris6.h (DWARF2_UNWIND_INFO): Undef.
5917 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5919 Add preliminary native sparcv9 Solaris support.
5920 * configure.in: Recognize sparv9-*-solaris2*
5921 * configure: rebuilt
5922 * config.sub: Recognize sparcv9 just like sparc64.
5923 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
5924 config/sparc/sol2-cn.asm: Macroize so it can be shared between
5925 32-bit and 64-bit Solaris systems.
5926 * config/sparc/t-sol2: Assemble those with cpp.
5927 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
5928 (*TF*_LIBCALL): If ARCH64 use V9 names.
5929 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
5931 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5933 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
5934 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
5936 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
5938 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
5939 to Pmode if CASE_VECTOR_MODE is something else.
5941 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
5943 * prefix.c (update_path): Correctly handle cases where PATH is
5944 a substring of the builtin prefix, but specifies a different
5947 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
5949 * expr.c: Corrected comment about what MOVE_RATIO does.
5950 * config/alpha/alpha.h: Ditto.
5951 * config/1750a/1750a.h: Ditto.
5952 * config/clipper/clipper.h: Ditto.
5953 * config/i386/i386.h: Ditto.
5955 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
5957 * configure.in (m68k-next-nextstep3*): Use collect2.
5958 Similarly for x86 NeXT configurations.
5959 * configure: Rebuilt.
5961 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
5963 * configure.in: Don't assume srcdir is .../gcc
5964 * configure: Rebuilt.
5966 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
5968 * global.c: Update comments.
5969 (global_alloc): Assign allocation-numbers
5970 even for registers allocated by local_alloc in case
5971 they are later spilled and retry_global_alloc is called.
5972 (mark_reg_store, mark_reg_clobber,
5973 mark_reg_conflicts, mark_reg_death): Always record a
5974 conflict with a pseudo register even if it has been
5975 assigned to a hard register.
5976 (dump_conflicts): Don't list pseudo registers already assigned to
5977 a hard register as needing to be allocated, but do list their
5979 * local-alloc.c: Update comment.
5981 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
5983 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
5984 * configure: Rebuilt.
5986 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
5988 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
5990 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
5991 for all targets that set -msoft-float.
5993 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5995 * toplev.c (print_switch_values): Make static to match prototype.
5997 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
5999 * configure.in: If we are unable to find the "gnatbind" program,
6000 then do not configure the ada subdir.
6001 * configure: Rebuilt.
6003 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
6005 * version.c: Bump for snapshot.
6007 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
6009 * version.c: Bump for snapshot.
6011 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6013 * Makefile.in (toplev.o): Depend on $(EXPR_H).
6014 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
6016 * gansidecl.h: Define ATTRIBUTE_NORETURN.
6018 * genattrtab.c: Have insn-attrtab.c include toplev.h.
6020 * genextract.c: Have insn-extract.c include toplev.h.
6022 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
6024 * toplev.c: Include expr.h.
6025 (really_sorry, fancy_abort): Remove prototypes.
6026 (set_target_switch): Add argument in prototype.
6027 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
6028 (v_really_sorry): Likewise.
6029 (print_version, print_single_switch, print_switch_values): Make
6030 static and add prototype arguments.
6031 (decl_printable_name): Add prototype arguments.
6032 (lang_expand_expr_t): New typedef.
6033 (lang_expand_expr): Declare as a lang_expand_expr_t.
6034 (incomplete_decl_finalize_hook): Add prototype argument.
6035 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
6036 (botch): Likewise for variable `s'.
6037 (rest_of_type_compilation): Mark variables `type' and `toplev'
6038 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
6039 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
6040 (display_help): Make variable `i' an `unsigned long'.
6041 (main): Remove unused parameter `envp'.
6042 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
6043 Cast -1 when comparing it with a `size_t'.
6045 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
6046 prototype with ATTRIBUTE_NORETURN.
6047 (fatal_insn_not_found, fatal_insn, really_sorry,
6048 push_float_handler, pop_float_handler): Add prototypes.
6049 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
6050 (do_abort, botch): Add prototypes.
6052 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
6054 * final.c (final): If a label is reached only from a single jump,
6055 call NOTICE_UPDATE_CC on the jump and its predecessor before
6056 emitting the insn after the label.
6058 * i386.h: Add AMD K6 support.
6059 Change TARGET_* macros to use table lookup.
6060 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
6061 (ADJUST_COST): Change definition to call function in i386.c.
6062 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
6063 * i386.c: Add AMD K6 support.
6064 Add constants for feature tests used by TARGET_* macros.
6065 (split_di): If before reload, call gen_lowpart and gen_highpart.
6066 (x86_adjust_cost): New function.
6067 (put_jump_code): New function.
6068 (print_operand): New codes 'D' and 'd'.
6069 * i386.md: New insn types. New insn attribute "memory".
6070 Redefine scheduling parameters to use new types and add AMD K6
6071 support. Explicitly set type of most insns.
6072 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
6073 Pro and K6 prefer movl $1,reg to incl reg.
6074 (adddi3, subdi3): Set cc_status.
6075 (DImode shift patterns): Change label counters from HOST_WIDE_INT
6076 to int; x86 can't have more than 2^31 DImode shifts per file.
6077 (setcc): Combine all setcc patterns. Allow writing memory.
6078 Combine all jump patterns using match_operator.
6079 (*bzero): Name pattern. Emit mutliple stos instructions when that
6080 is faster than rep stos.
6081 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
6084 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
6086 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
6089 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
6091 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
6092 not whatever we're generating now.
6094 * alpha.c (set_frame_related_p, FRP): New.
6095 (alpha_expand_prologue): Mark frame related insns.
6096 (alpha_expand_epilogue): Likewise, but with a null FRP.
6097 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
6098 * alpha.md (exception_receiver): New.
6099 * alpha/crtbegin.asm (.eh_frame): New beginning.
6100 (__do_frame_setup, __do_frame_takedown): New.
6101 * alpha/crtend.asm (.eh_frame): New ending.
6102 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
6103 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
6104 (ASM_FILE_START): Don't emit .file for dwarf2.
6106 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
6107 * rtl.c (reg_note_name): Likewise.
6108 * rtl.texi (REG_NOTES): Likewise.
6109 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
6112 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
6114 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
6115 * i386.md (movsf, movdf, movxf): Validate memory address returned
6116 from force_const_mem. Kill useless REG_EQUAL setting code.
6118 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
6120 * m68k.md (zero_extendsidi2): Fix typo.
6122 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
6124 * configure.in: Removed references to the removed file
6125 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
6126 * arm*-*-netbsd* and ns32k-*-netbsd*.
6127 * config/i386/xm-netbsd.h: Removed unnecessary file.
6128 * config/m68k/xm-netbsd.h: Likewise.
6129 * config/sparc/xm-netbsd.h: Likewise.
6130 * config/mips/xm-netbsd.h: Likewise.
6132 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
6134 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
6135 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
6137 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
6138 for exact section attributions.
6140 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
6142 * i386/crtdll.h (CPP_PREDEFINES): Define.
6144 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
6146 * m68k.md (5200 movqi): Do not allow byte sized memory references
6148 * m68k.c (output_move_qimode): Do not use byte sized operations on
6151 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
6152 explicit rules for building. Similarly for alloca, vfprintf,
6153 choose-temp and mkstemp, getopt, getopt1, and obstack.
6154 (INCLUDES): Add $(srcdir)/../include.
6155 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
6156 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
6158 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
6160 * gcc.c (do_spec_1): [case 'o'] Account for
6161 lang_specific_extra_outfiles.
6162 (main): Correctly clear all slots in outfiles for
6163 lang_specific_extra_outfiles. Set input_file_number before
6164 calling lang_specific_pre_link.
6166 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
6168 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
6170 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6172 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
6174 (sparc_output_deferred_case_vectors): If no work to do, return.
6175 Fix thinko in Sept 1 change.
6177 1998-09-03 SL Baur <steve@altair.xemacs.org>
6179 * Makefile.in: add semicolon in BISON definition for portability.
6181 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6183 * config/nextstep.c (handle_pragma): Correct name of third
6186 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
6188 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
6189 * config/m32r/m32r.h: Make register 17 be fixed.
6190 * config/m32r/m32r.c: Use SImode for cc operations.
6192 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
6194 * invoke.texi (Warning Options): Add -Wnon-template-friend
6197 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
6199 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
6201 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
6203 * rs6000.md (movsf): Disable explicit secondary-reload-like
6204 functionality if TARGET_POWERPC64.
6205 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
6208 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
6210 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
6211 and term.h from fixinc.wrap.
6213 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6215 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
6216 safe to include both string.h and strings.h together.
6217 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
6218 which headers to search for function declarations. Continue to
6219 prefer string.h over strings.h when both are not acceptable.
6221 * acconfig.h (STRING_WITH_STRINGS): Add stub.
6223 * configure.in: Call GCC_HEADER_STRING.
6225 * system.h: Test STRING_WITH_STRINGS when deciding which headers
6226 to include. Continue to prefer string.h over strings.h when both
6229 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6231 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
6232 not assume top 32-bits of symbolic addresses are zero if
6235 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
6237 * ginclude/va-alpha.h: Protect entire second portion of the
6238 file against double inclusion.
6240 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
6242 Added support for the Boehm's garbage collector.
6243 * configure.in: Handle --enable-objc-gc.
6244 * configure: Rebuilt.
6245 * Makefile.in (CHECK_TARGETS): Add check-objc.
6246 (check-objc): New rule.
6247 * objc/Make-lang.in: Build a different Objective-C library that
6248 runs with the Boehm's collector.
6249 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6250 * objc/encoding.c: Correctly compute the size of compound types in
6251 the presence of bitfields. Skip the variable name of the type if
6252 any. Added support for long long.
6253 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
6254 (_F_GCINVISIBLE): New mask.
6255 * objc/gc.c: New file. Compute the type memory mask associated with
6256 a class based on the runtime information.
6257 * objc/misc.c: Added the hooks that use the Boehm's collector
6258 allocation functions.
6259 * objc/objc-act.c (build_class_template): Generate a new class
6260 member (gc_object_type) to hold the class' type memory mask.
6261 (build_shared_structure_initializer): Initialize the new member to
6263 (encode_complete_bitfield): New function. Generate the new
6265 (encode_field_decl): Generate the new encoding only for the GNU
6267 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
6269 (class_get_gc_object_type): New function to mark a pointer instance
6270 variable as a weak pointer.
6271 * objc/objc-features.texi: New file.
6272 * objc/objc.h (gc_object_type): New class member.
6273 * objc/objects.c (class_create_instance): Create a typed memory
6274 object when compiled with Boehm's collector support.
6275 * objc/sendmsg.c (__objc_init_install_dtable): Call
6276 __objc_send_initialize instead of setting the initialize flag.
6277 (__objc_send_initialize): Call __objc_generate_gc_type_description
6278 to generate the class type memory mask. Rewrite the code that
6279 sends the +initialize so that it is called only once (bug report
6280 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
6281 * testsuite/objc: New testsuite for Objective-C type encoding.
6282 * testsuite/lib/objc-torture.exp: New file.
6283 * testsuite/lib/objc.exp: New file.
6285 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
6287 * jump.c (jump_optimize): In if/then/else transformations, add
6288 another call to modified_between_p for the jump insn.
6290 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
6292 * fix-header.c (symlink): Treat like readlink.
6294 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6296 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
6299 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
6301 * config/nextstep.h: Update HANDLE_PRAGMA macro.
6302 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
6303 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
6305 * config/nextstep.c (handle_pragma): Take three arguments, as per
6306 the new HANDLE_PRAGMA macro specification.
6307 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
6308 per the new HANDLE_PRAGMA macro specification.
6309 * config/i960/i960.c (process_pragma): Take three arguments, as
6310 per the new HANDLE_PRAGMA macro specification.
6312 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
6314 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
6315 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
6316 if unknown pragmas are encountered.
6317 (handle_sysv_pragma): Interpret return code from
6318 handle_pragma_token (). Return success/failure indication rather
6319 than next unprocessed character.
6320 (pragma_getc): New function: retrieves characters from the
6321 input stream. Defined when HANDLE_PRAGMA is enabled.
6322 (pragma_ungetc): New function: replaces characters back into the
6323 input stream. Defined when HANDLE_PRAGMA is enabled.
6325 * c-pragma.c (handle_pragma_token): Return success/failure status
6328 * c-pragma.h: Change prototype of handle_pragma_token().
6330 * varasm.c: (handle_pragma_weak): Only create this function if
6331 HANDLE_PRAGMA_WEAK is defined.
6333 * c-common,c (decl_attributes): If defined call the expression
6334 contained within the INSERT_ATTRIBUTES macro before adding
6335 attributes to a decl.
6337 * tm.texi (HANDLE_PRAGMA): Document the new verion of
6338 HANDLE_PRAGMA, which takes three arguments.
6339 (INSERT_ATTRIBUTES): Document this new macro.
6341 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
6342 new INSERT_ATTRIBUTES macro.
6344 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6346 * config/sparc/sparc.md (movdf): Only generate special RTL for
6347 LABEL_REFs when PIC.
6348 (move_label_di): Remove
6349 (movdi_pic_label_ref, movdi_high_pic_label_ref,
6350 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
6351 references when PIC.
6352 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
6353 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
6354 output an .xword for all 64-bit cases.
6356 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6358 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
6359 alignment, use FUNCTION_BOUNDARY instead.
6360 (sparc_output_deferred_case_vectors): Likewise.
6362 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6364 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
6365 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
6367 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
6369 * alpha/va_list.h: New file.
6370 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
6372 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
6374 * NEWS: Add SCO Openserver and Unixware 7 notes.
6378 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
6380 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
6381 (record_constant_1): Handle RANGE_EXPR.
6383 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
6385 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
6386 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
6387 and NOTE_INSN_RANGE_END specially.
6388 (reemit_notes): Likewise.
6390 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6392 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
6393 (ultrasparc_sched_init): Remove unneeded &.
6395 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6397 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
6398 for m68020-60, to prevent the use of fintrz.
6400 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
6402 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
6404 * Makefile.in: Likewise.
6405 * configure: Regenerated.
6407 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
6409 * configure.in (gxx_include_dir): Changed to
6410 '${prefix}/include/g++'-${libstdcxx_interface}.
6411 * configure: Rebuilt.
6413 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
6415 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
6417 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
6418 *sequences* *below* which scalar moves will be used.
6420 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
6422 * collect2.c (mktemp): Delete unused declaration.
6424 * config/xm-netbsd.h: Remove unnecessary file.
6425 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
6426 file anymore, it is not needed.
6428 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
6430 * convert.c (convert_to_integer): Issue an error on conversions to
6433 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
6435 * Makefile.in: Add lang_tree_files and gencheck.h.
6436 * configure.in: Generate them.
6437 * gencheck.c: Include gencheck.h.
6439 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6441 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
6442 movdi_lo_sum_pic and movdi_high_pic and make visible.
6443 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
6444 emit these when Pmode is not SImode.
6445 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
6447 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
6449 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
6450 .linkonce directive after the first time.
6452 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
6454 * m68k.md (beq0_di): Generate correct (and more efficient) code when
6455 the clobbered operand overlaps with an input.
6456 (bne0_di): Similarly.
6458 * Makefile.in (INSTALL): Remove "--no-header" argument.
6460 * NEWS: Various updates.
6462 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6464 * config/sparc/sparc.c (arith_operand, const64_operand,
6465 const64_high_operand, arith_double_4096_operand): Mark mode as
6467 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
6469 (sparc_emit_set_const64): Remove unused variable i.
6470 (sparc_splitdi_legitimate): Likewise for addr_part.
6471 (ultra_code_from_mask): Likewise for mask.
6472 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
6473 reverse return values so it matches usage and comments.
6474 (ultra_flush_pipeline): Likewise.
6475 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
6476 this_type, and allow loads and stores of differing FP modes as
6477 they do not create a conflict.
6478 (ultra_find_type): Initialize fpmode to SFmode, fix
6479 parenthesization thinkos in large conditional.
6480 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
6481 Init free_slot_mask after ultra_cur_hist is reset, not before.
6482 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
6483 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
6484 use ultra_flush_pipeline instead, then re-init group pointer.
6485 Fix statement with no effect. If no progress made in, and no
6486 instructions scheduled at all, advance to new pipeline cycle else
6487 we get into an endless loop.
6488 (ultrasparc_adjust_cost): Remove previous arg.
6489 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
6491 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
6493 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
6494 code. Use reg_overlap_mentioned_p to detect when source and
6495 destination overlap.
6496 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
6498 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
6500 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
6501 COMPARISON_VAL, into invariant_p.
6503 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6505 * regmove.c (regclass_compatible_p): New function.
6506 (regmove_optimize): Use it.
6508 Use NREGS parameter insted of calling max_reg_num.
6510 (fixup_match_1): Don't use code = MINUS when later tieing with
6511 a hard register is likely.
6513 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6515 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
6516 COMPARISON_VAL was normalized.
6518 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
6520 * loop.c (check_dbra_loop): The loop ending comparison value
6521 must be an invariant or we can not reverse the loop.
6523 * loop.c (scan_loop): Count down from max_reg_num - 1 to
6524 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
6526 (load_mems_and_recount_loop_regs_set): Likewise.
6528 * i386.c (print_operand): Remove obsolete 'c' docs.
6530 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
6532 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
6533 * frame.c (init_object_mutex): New function.
6534 (init_object_mutex_once): Likewise.
6535 (find_fde): Call it.
6536 (__register_frame_info): Likewise.
6537 (__register_frame_info_table): Likewise.
6538 (__deregister_frame_info): Likewise.
6540 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
6542 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
6544 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6546 * loop.c (check_dbra_loop): Enable code for reversal
6547 of some loops without a known constant loop end.
6549 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
6551 * haifa-sched.c (last_clock_var): New.
6552 (schedule_block): Initialize it.
6553 (schedule_insn): Use it to fill insn modes with issue information.
6555 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
6556 Tag trapb and next insn with TImode.
6557 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
6558 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
6559 Invoke alphaev5_align_insns as appropriate.
6560 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
6561 (MD_SCHED_VARIABLE_ISSUE): New.
6562 * alpha.md (attr type): Add multi.
6563 (define_asm_attributes): New.
6564 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
6565 (arg_home): Likewise.
6566 (fnop, unop, realign): New.
6568 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
6570 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
6571 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
6573 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
6574 (rs6000-ibm-aix4.[12]*): Likewise.
6575 * configure: Regnerate.
6577 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
6579 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
6580 already contains the return address.
6582 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
6584 * calls.c (expand_call): Use bitfield instructions to extract/deposit
6585 word sized hunks when loading unaligned args into registers.
6587 * haifa-sched.c (sched_analyze_insn): Only create scheduling
6588 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
6590 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
6592 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6594 * loop.c (check_dbra_loop): Add some code that would allow reversal
6595 of some loops without a known constant loop end if it were enabled.
6597 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
6599 * mips.md (lshrsi3_internal2+2): Fix type-o.
6601 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6603 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
6604 correctly with regards to stdio.h.
6606 * calls.c: Remove stdarg.h/varargs.h.
6609 * combine.c: Likewise.
6610 * cpperror.c: Likewise.
6611 * cpplib.c: Likewise.
6612 * cpplib.h: Likewise.
6613 * doprint.c: Likewise.
6614 * emit-rtl.c: Likewise.
6615 * final.c: Likewise.
6616 * fix-header.c: Likewise.
6618 * genattr.c: Likewise.
6619 * genattrtab.c: Likewise.
6620 * gencodes.c: Likewise.
6621 * genconfig.c: Likewise.
6622 * genemit.c: Likewise.
6623 * genextract.c: Likewise.
6624 * genflags.c: Likewise.
6625 * genopinit.c: Likewise.
6626 * genoutput.c: Likewise.
6627 * genpeep.c: Likewise.
6628 * genrecog.c: Likewise.
6629 * mips-tfile.c: Likewise.
6630 * prefix.c: Likewise.
6631 * protoize.c: Likewise.
6632 * regmove.c: Likewise.
6633 * toplev.c: Likewise.
6636 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6638 * config/sparc/sparc.c (sparc_override_options): If not
6639 TARGET_FPU, turn off TARGET_VIS.
6640 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
6641 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
6642 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
6643 (movdi_insn_sp64): Add VIS fzero alternative.
6644 (clear_sf, clear_df): New VIS patterns.
6645 (movsf, movdf expanders): Allow fp_zero_operand flat out when
6647 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
6649 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
6651 * loop.c (n_times_set, n_times_used, may_not_optimize,
6652 reg_single_usage): Convert to varrays. All uses changed.
6653 (insert_loop_mem): Return a value.
6654 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
6655 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
6658 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
6661 * configure.in: Do not set thread_file to "irix" since no such
6664 * sparc.md (float abs/neg splits): Check reload_completed before
6665 calling alter_subreg.
6667 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6669 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
6671 * config/sparc/sparc.h: Declare it.
6672 * config/sparc/sparc.md (float abs/neg splits): Use it.
6673 (all other splits): Handle SUBREGs properly where necessary.
6674 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
6676 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
6678 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
6679 an insn on the unfilled_slots_list that has no delay slots.
6680 (fill_eager_delay_slots): Similarly.
6682 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
6684 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
6685 as an ordinary operand.
6687 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
6689 * tree.c (valid_machine_attribute): Don't apply attributes to both
6692 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
6694 * reload.c (operands_match_p): Handle rtvecs.
6696 * i386.c (legitimate_pic_address_disp_p): New.
6697 (legitimate_address_p): Use it.
6698 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
6699 Handle constant pool symbols just like statics.
6700 (emit_pic_move): Use Pmode not SImode for clarity.
6701 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
6702 [UNSPEC]: New, handling what we killed above.
6703 [PLUS]: Detect and abort on invalid symbol arithmetic.
6704 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
6706 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
6708 * alias.c: Include output.h.
6709 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
6710 different if we're in a varargs function.
6711 * Makefile.in (alias.o): Depend on output.h
6713 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6715 * sh.h (GIV_SORT_CRITERION): Delete.
6717 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
6719 * regclass.c (regclass): Use xmalloc/free instead of alloca.
6720 * stupid.c (stupid_life_analysis): Ditto.
6721 * reload1.c (reload): Ditto.
6723 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6725 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
6726 arith_double_4096_operand, arith_double_add_operand): New
6728 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
6729 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
6730 them to transform add/sub 4096 into add/sub -4096.
6732 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6734 * loop.c (scan_loop): Allocate some slop to handle pseudos
6735 generated by move_movables.
6736 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
6739 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
6741 * tree.def (DECL_RESULT): Correct documentation.
6743 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6745 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
6746 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
6747 conflicts will all RELOAD_FOR_OUTPUT reloads.
6749 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
6750 loads the function result, substitute with a USE.
6752 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6754 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
6755 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
6756 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
6757 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
6758 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
6759 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
6761 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
6762 'o' to 'm' for GPR variant constraints.
6764 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
6766 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
6768 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
6770 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
6771 when the source and destination overlap.
6773 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
6774 clash with global type.
6776 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
6778 * fixinc.irix: Add curses.h handling from fixinc.wrap.
6780 * c-common.c (combine_strings): Also set TREE_READONLY.
6781 Change warn_write_strings to flag_const_strings.
6782 * c-decl.c, c-tree.h: Likewise.
6784 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6786 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
6787 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
6788 sequence, use SET/IOR instead so CSE can see it.
6789 * config/sparc/sparc.md (movhi_const64_special,
6790 movsi_const64_special): New patterns necessitated by that change.
6791 (movhi_high): Remove.
6792 (movhi_lo_sum): Change to match an IOR.
6793 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
6794 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
6795 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
6796 (movdf splits): Allow when not V9 or when not ARCH64 and integer
6797 registers are involved.
6798 (snesi_zero_extend split): Remove reload_completed test.
6799 (unnamed plus and minus zero_extend sidi splits): Add it.
6801 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
6803 * extend.texi: Remove description of extension to explicit
6804 instantiation that is now endorsed by standard C++.
6806 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6808 * config/arc/arc.c (arc_initialize_pic): Remove.
6809 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
6810 nothing on any platform and is invoked by no-one, it does not even
6811 appear in the documentation.
6812 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
6813 * config/sparc/sparc.c (initialize_pic): Likewise.
6814 (find_addr_reg): Remove this as well, no longer referenced after
6817 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
6819 * recog.c (validate_replace_rtx_group): New function.
6820 * recog.h (validate_replace_rtx_group): Declare it.
6821 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
6822 the entire group of substitutions.
6824 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
6826 * loop.c (load_mems): Fix initializers.
6828 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6830 * config/sparc/sparc.md (TFmode splits): Handle destination
6831 registers being referenced in the address correctly.
6833 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
6834 TREE_UNSIGNED, when bitsize of type's mode is larger than
6835 HOST_BITS_PER_WIDE_INT.
6837 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6839 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
6840 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
6841 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
6843 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
6846 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
6848 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
6849 * h8300.h (TINY_DATA_NAME_P): Likewise.
6850 (STRIP_NAME_ENCODING): Handle '&'.
6852 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
6853 register (it could be accessed via an outer SUBREG).
6854 (REG_OK_FOR_BASE_P): Likewwise.
6855 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
6857 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
6860 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
6862 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6864 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
6865 must be offsettable so the splits can be made.
6867 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
6869 * config/i386/winnt.c: Include system.h, not stdio.h to get
6870 sys/param.h pulled in before rtl.h in case the system defines MIN
6873 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
6875 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
6877 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
6879 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
6881 * cpplib.c (cpp_define): Handle macros with parameters.
6883 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6885 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
6886 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
6887 and DImode 64-bit. Use llong for minimal-toc SFmode and
6888 SYMBOL_REF / LABEL_REF 64-bit.
6889 (output_function_profiler): Use llong for profiler label and ld to
6890 load 64-bit label address.
6892 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
6894 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
6897 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
6899 * version.c: Bump for snapshot.
6901 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
6903 * version.c: Bump for snapshot.
6905 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
6907 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
6909 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
6911 * tm.texi (Misc): Fix typo "teh".
6913 * tm.texi (PIC): Fix typo "PPIC".
6915 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
6916 effect when -O2 and higher.
6917 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
6919 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
6921 * regclass.c: Changed register set documentation to be consistent
6924 * final.c (final_start_function) Removed redundant test for
6927 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
6929 * rtl.h (rtx_function): New type.
6930 (for_each_rtx): New function.
6931 * rtlanal.c (for_each_rtx): Define it.
6933 * recog.c (change_t): New type.
6934 (change_objects, change_old_codes, change_locs, change_olds):
6936 (changes): New variable.
6937 (validate_change): Dynamically allocate room for more changes, if
6938 necessary. Uses changes array instead of change_objects, etc.
6939 (apply_change_group): Use changes array instead of
6940 change_objects, etc.
6942 * loop.c (loop_mem_info): New type.
6943 (loop_mems): New variable.
6944 (loop_mems_idx): Likewise.
6945 (looop_mems_allocated): Likewise.
6946 (scan_loop): Remove nregs parameter.
6947 (next_insn_in_loop): New function.
6948 (load_mems_and_recount_loop_regs_set): Likewise.
6949 (load_mems): Likewise.
6950 (insert_loop_mem): Likewise.
6951 (replace_loop_mem): Likewise.
6952 (replace_label): Likewise.
6953 (INSN_IN_RANGE_P): New macro.
6954 (loop_optimize): Don't pass max_reg_num() to scan_loop.
6955 (scan_loop): Remove nregs parameter, compute it after any new
6956 registers are created by load_mems. Use INSN_IN_RANGE_P and
6957 next_insn_in_loop rather than expanding them inline. Call
6958 load_mems to load memory into pseudos, if appropriate.
6959 (prescan_loop): Figure out whether or not there are jumps from the
6960 loop to targets other than the label immediately following the
6961 loop. Call insert_loop_mem to notice all the MEMs used in the
6962 loop, if it could be safe to pull MEMs into REGs for the duration
6964 (strength_reduce): Use next_insn_in_loop. Tweak comments.
6966 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
6968 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
6970 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6972 * config/sparc/sparc.c (finalize_pic): Check for the correct
6973 nonlocal_goto_receiver UNSPEC number.
6974 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
6975 making note of this dependency existing in sparc.c
6976 (negtf2_notv9 split): Give NEG SFmode.
6977 (negsf2): Fix insn output string.
6979 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
6981 * c-common.c (decl_attributes): Issue an error if the argument
6982 to alias is not a string.
6984 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
6986 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
6987 pending memory flush list.
6989 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
6991 (try_combine): Allow combining insns with REG_LIBCALL notes.
6993 * expr.c (emit_block_move): Do not call memcpy as a libcall
6994 instead build up a CALL_EXPR and call it like any other
6996 (clear_storage): Similarly for memset.
6998 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
7001 * Makefile.in (cplus-dem.o): Provide explicit rules for building
7004 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
7005 and REG_LIVE_LENGTH as successful substitutions are made.
7007 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7009 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
7010 statement after end of loop label.
7012 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7014 * config/sparc/sparc.c (ultra_types_avail): New variable.
7015 (ultra_build_types_avail): New function to record mask of insn
7016 types in ready list at this cycle.
7017 (ultrasparc_sched_reorder): Call it.
7018 (ultra_find_type): Use it to quicken the search. Also simplif
7019 dependency check, don't use rtx_equal_p because we know exactly
7020 what we are looking for.
7022 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
7024 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
7025 for architecture v4.
7027 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7029 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
7031 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
7032 movdf_const_intreg and helper splits): New patterns to move float
7033 constants into integer registers.
7034 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
7037 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
7040 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
7042 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
7044 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
7045 a BASE_REGS register is needed as an intermediate when copying
7046 a symbolic value into any register class other than BASE_REGS.
7048 * expr.c (move_by_pieces): No longer static. Remove prototype.
7049 * rtl.h (move_by_pieces): Add extern prototype.
7050 * mips.c (expand_block_move): Handle aligned straight line copy by
7051 calling move_by_pieces.
7053 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
7056 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
7058 * stmt.c (expand_end_loop): Tidy. Allow unconditional
7059 jumps out of the loop to be treated as part of the exit test.
7061 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7062 Jeff Law <law@cygnus.com>
7064 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
7065 * cplus-dem.c: Delete.
7067 * Makefile.in (fold-const.o): depend on $(RTL_H).
7069 * fold-const.c: Include rtl.h to get the prototype for
7070 `set_identifier_local_value'.
7072 * loop.c (express_from_1): Remove unused variable `tmp'.
7073 (combine_givs): cast the first argument of bzero to char *.
7075 * toplev.c (display_help): Remove unused variable `looking_for_start'.
7077 * c-decl.c (init_decl_processing): Remove unneeded &.
7079 * alpha.h (alpha_initialize_trampoline): Provide prototype.
7081 * except.c (set_exception_lang_code, set_exception_version_code):
7082 Change parameter from `short' to `int' to avoid using a gcc
7085 * except.h (set_exception_lang_code, set_exception_version_code):
7086 Likewise for prototypes.
7088 * flow.c (count_reg_references): Remove unused variables `regno'
7091 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
7093 * prefix.c (translate_name): Cast the result of `alloca'.
7095 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
7097 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7099 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
7101 (valid_dbcc_comparison_p): Mark mode argument as unused.
7102 (symbolic_operand): Likewise.
7103 (legitimize_pic_address): Likewise.
7104 (const_uint32_operand): Likewise.
7105 (const_sint32_operand): Likewise.
7106 * sched.c [!INSN_SCHEDULING]: Define only dummy function
7107 schedule_insns and comment out rest of file.
7109 * m68k.c (output_move_simode_const): Use subl to move a zero into an
7111 (output_move_[hq]imode): Likewise.
7113 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
7115 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
7116 * invoke.texi: Corresponding changes.
7118 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
7120 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
7122 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7124 * config/sparc/sparc.c (ultra_code_from_mask,
7125 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7126 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
7127 ultrasparc_sched_init, ultrasparc_variable_issue,
7128 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
7129 functions to describe UltraSPARC pipeline exactly to Haifa.
7130 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
7131 as there is nothing the scheduler can do about it. Indicate that
7132 REG_DEP_OUTPUT's collide. Fixup formatting.
7133 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
7134 divide costs on Ultra for DImode.
7135 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
7137 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
7138 ieuN and add call_no_delay_slot to type list.
7139 (cti function unit): New unit for branches on UltraSPARC.
7140 (subx/addx insns): Set type to misc.
7141 (sidi zero/sign extension insns on arch64): Set type to shift.
7142 (sign_extendhidi2_insn): Set type to sload.
7144 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
7146 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
7147 (output_epilog): Use if != 0 for offset.
7148 (rs6000_fatal_bad_address): Prepare for Intl.
7149 * rs6000.h (rs6000_fatal_bad_address): Declare.
7150 * rs6000.md (movsfcc, movdfcc): Use else if.
7151 (elf_high): Use {liu|lis}.
7152 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
7153 (movsi): Use rs6000_fatal_bad_address.
7155 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
7157 * reload.c (find_equiv_reg): Reject equivalences separated
7158 by a volatile instruction.
7160 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7162 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
7164 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
7166 * alpha.md (movsicc): Fix mode mismatch.
7168 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
7170 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
7172 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
7174 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7176 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
7177 write-only modifier from operand 1 constraint.
7179 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7181 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
7182 emitting a XOR of -1 at the end, emit a NOT instead for combine's
7184 (sparc_emit_set_const64): Likewise, also when computing trailing
7185 bits do not negate low_bits and make fast_int an int.
7187 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
7189 * loop.c (add_label_notes): Do not ignore references to labels
7190 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
7191 * gcse.c (add_label_notes): Similarly.
7193 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
7195 * m68k.md (adddi_dilshr32): One of the operands must be a register.
7196 (adddi_dishl32): Similarly.
7198 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
7200 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
7201 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
7202 * cse.c (cse_basic_block): Add parens to shut up warnings.
7204 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7206 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
7207 sparc_emit_set_const64_longway, const64_is_2insns,
7208 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
7209 in 64-bit constant formation.
7210 * config/sparc/sparc.md (snesi_zero_extend split): Generate
7211 rtl for addx not subx.
7212 (define_insn movdi_const64_special): Make available even when
7213 HOST_BITS_PER_WIDE_INT is not 64.
7214 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
7215 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
7216 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
7217 instances of operand 1 inside a QI subreg.
7218 (xordi3_sp64_dbl): Remove '%' constraint for op1.
7219 (one_cmpldi2_sp64): Fix output string.
7220 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
7222 (unnamed arch64 ashift DI): Truncate shift count if greater than
7225 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7227 * expr.c (store_expr): Don't optimize away load-store pair
7228 when either source or destination have a side effect.
7230 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
7232 * genrecog.c (add_to_sequence): Fatal error if the modes of the
7233 operands of SET are incompatible.
7235 * alpha.md: Fix max and min patterns so modes of SET operands match.
7237 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
7239 * configure.in: Avoid [[ by using test and changequote.
7240 * configure: Rebuild.
7242 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7244 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7246 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7247 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7248 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7249 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7250 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7251 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
7252 Fix mismatching modes in SET operands.
7253 (conditional move patterns): Fix formatting.
7254 (unnamed subx arch64 pattern): Remove duplicate insn.
7256 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7258 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7259 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
7260 (input_operand): Fixup test for what we accept for constant
7262 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
7264 (safe_constDI): Remove.
7265 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7266 gen_safe_XOR64): New functions.
7267 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
7268 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
7270 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
7271 available when HOST_BITS_PER_WIDE_INT is not 64.
7272 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
7273 move before movdi_insn_sp64 pattern.
7274 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
7275 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
7276 symbolic_operand as predicate for second operand.
7277 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
7278 expander): Give set VOIDmode.
7280 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
7282 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
7284 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
7286 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
7288 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
7290 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
7292 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
7294 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
7296 * install.texi: Various SCO OpenServer tweaks.
7298 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
7300 * reload1.c (eliminate_regs_in_insn): Handle another case when
7301 eliminating the frame pointer to the hard frame pointer. Add
7302 missing ep->to_rtx check to one existing case.
7304 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
7306 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7308 * tree.h: De-conditionalize init_priority code.
7310 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
7311 * collect2.c (NM_FLAGS): Change from -p to -n.
7313 * configure.in: Turn on collect2 for mipstx39-elf.
7314 Handle use_collect2=no properly.
7316 * c-common.c: De-conditionalize init_priority code.
7317 * collect2.c (extract_init_priority, sort_ids): New fns.
7318 (main): Call sort_ids.
7319 Move sequence_number to file scope.
7321 * configure.in: Handle --enable-init-priority.
7322 * c-common.c (attrs): Add A_INIT_PRIORITY.
7323 (init_attributes, decl_attributes): Likewise.
7324 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
7325 * tree.c (get_file_function_name_long): Split out...
7326 (get_file_function_name): ...from here.
7328 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
7330 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
7333 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
7335 * toplev.c (display_help): Add braces to shut up warnings.
7336 * tree.c (simple_cst_equal): Likewise.
7338 * fold-const.c (non_lvalue): Don't deal with null pointer
7340 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7342 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
7343 of any size to a pointer.
7345 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
7347 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
7349 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
7351 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
7352 which will be saved.
7353 * mn10300.md (prologue insn): Only save registers which need saving.
7354 (epilogue insn): Similarly.
7356 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
7359 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
7361 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
7362 VAR_DECL's in gp addressable sections.
7364 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
7366 * sparc.c: Change return <exp> to <exp>; return; in functions
7368 * sparc.md: Add empty semicolon statement after final label in
7371 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7373 * config/sparc/sparc.md (define_insn addx_extend): Rename to
7374 addx_extend_sp64, only allow when TARGET_ARCH64.
7375 (define_insn addx_extend_sp32 and split): Version that works when
7377 (define_insn subx_extend): Likewise.
7378 (define_split adddi3 and subdi3 with zero extension): Fixup and
7379 correct bugs when not TARGET_ARCH64.
7381 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
7383 * except.c (set_exception_lang_code, set_exception_version_code):
7384 Use prototype-style definition if __STDC__, to match declaration
7387 * genemit.c: Change FAIL and DONE macros not to use loops.
7389 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
7391 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
7392 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
7394 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
7396 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
7398 * README.g77: Update from Craig.
7400 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7402 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
7404 (safe_constDI sparc_emit_set_const64_quick1,
7405 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7406 analyze_64bit_constant, const64_is_2insns,
7407 create_simple_focus_bits): Fix some bugs when compiled on real
7409 (function_arg_record_value_3, function_arg_record_value_2,
7410 function_arg_record_value): Add fully prototyped forward decls.
7411 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
7412 to cmpsi_insn and use on both 64 and 32 bit targets.
7413 (define_insn cmpsi_insn_sp64): Remove.
7414 (define_expand zero_extendsidi2): Allow for 32-bit target too.
7415 (define_insn zero_extendsidi2_insn): Rename to
7416 zero_extendsidi2_insn_sp64.
7417 (define_insn zero_extendsidi2_insn_sp32): New pattern and
7418 assosciated forced split for it.
7420 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7422 * config/sparc/sparc.h: Declare them.
7423 (PREDICATE_CODES): Add them.
7424 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
7425 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
7427 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
7429 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
7430 in v9 case as the latter makes the Solaris assembler crash.
7432 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7434 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
7435 for TFmode when !v9. We require offsettable memory addresses.
7436 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
7437 DFmode register number conversions.
7438 * config/sparc/sparc.md (define_split DFmode moves): If register
7439 is a SUBREG do alter_subreg on it before using.
7440 (define_expand movtf): Fixup comment about alignment on v9.
7441 (define_split TFmode moves): Don't use gen_{high,low}part, create
7442 explicit SUBREGs instead.
7444 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
7446 * Makefile.in (mbchar.o): Depend on mbchar.c.
7448 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7449 Richard Henderson <rth@cygnus.com>
7451 Rewrite Sparc backend for better code generation and
7452 improved sparc64 support.
7453 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
7455 * config/sparc/sysv4.h: Likewise.
7456 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
7457 move_operand, v8plus_regcmp_op, emit_move_sequence,
7458 singlemove_string, doublemove_string, mem_aligned_8,
7459 output_move_double, output_move_quad, output_fp_move_double,
7460 move_quad_direction, output_fp_move_quad, output_scc_insn):
7462 (small_int_or_double): New predicate.
7463 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
7464 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
7465 old pic_{sethi,lo_sum}_si patterns.
7466 (mem_min_alignment): New generic function to replace
7467 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
7468 available and can test for arbitrary alignments. All callers
7470 (save_regs, restore_regs, build_big_number,
7471 output_function_prologue, output_cbranch, output_return,
7472 sparc_flat_save_restore, sparc_flat_output_function_prologue,
7473 sparc_flat_output_function_epilogue): Prettify
7475 (output_function_epilogue): Likewise and add code to output
7476 deferred case vectors.
7477 (output_v9branch): Likewise, add new arg INSN and use it to tack
7478 on branch prediction settings. All callers changed.
7479 (print_operand): Likewise and output %l44 for LO_SUMs when
7481 (sparc_splitdi_legitimate): New function to make sure DImode
7482 splits can be run properly when !arch64.
7483 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
7484 Reformat example code in comments.
7485 (set_extends): Remove UNSPEC/v8plus_clear_high case.
7486 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
7487 of deferred case vectors we need to output.
7488 (sparc_defer_case_vector): Record a case vector.
7489 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
7490 sparc_output_deferred_case_vectors): New functions to output them.
7491 (sparc_emit_set_const32): New function to form 32-bit constants in
7492 registers when that requires more than one instruction.
7493 (safe_constDI, sparc_emit_set_const64_quick1,
7494 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7495 analyze_64bit_constant, const64_is_2insns,
7496 create_simple_focus_bits, sparc_emit_set_const64): New functions
7497 which do the same for 64-bit constants when arch64.
7498 (sparc_emit_set_symbolic_const64): New function to emit address
7499 loading for all code models on v9.
7500 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
7501 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
7502 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
7503 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
7504 inaccuracies in comments, add symbolic and text_segment operands
7505 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
7506 GENERAL_REGS in these cases as a temp REG is needed to load these
7507 addresses into a register properly.
7508 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
7510 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
7511 quads are guarenteed to have 16-byte alignment.
7512 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
7513 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
7514 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
7515 deferred case vector implementation.
7516 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
7517 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
7518 Generate "internal label - label" instead of "label - 1b".
7519 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
7520 (PREDICATE_CODES): Remove sparc_operand, move_operand,
7521 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
7523 (doublemove_string, output_block_move, output_fp_move_double,
7524 output_fp_move_quad, output_move_double, output_move_quad,
7525 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
7526 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
7527 (sparc_emit_set_const32, sparc_emit_set_const64,
7528 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
7529 mem_min_alignment, small_int_or_double): Add externs.
7530 * config/sparc/sparc.md: Document the many uses of UNSPEC and
7531 UNSPEC_VOLATILE in this backend.
7532 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
7533 unary to types which execute in it.
7534 (define_function_unit ieu_shift): Rename to ieu0.
7535 (define_function_unit ieu1): New, executes compare, call, and
7536 uncond_branch type insns.
7537 (define_function_units for type fdivs, fdivd, fsqrt): These
7538 execute in the fpu multiply unit not the adder on UltraSparc.
7539 (define_expand cmpdi): Disallow TARGET_V8PLUS.
7540 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
7541 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
7542 allows the arith_double_operand predicate and rHI constraint when
7544 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
7545 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
7546 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
7547 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
7548 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
7549 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
7550 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
7551 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
7552 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
7553 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
7554 sign_extendqihi2_insn, sign_extendqisi2_insn,
7555 sign_extendqidi2_insn, sign_extendhidi2_insn,
7556 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
7557 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
7558 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
7559 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
7560 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
7561 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
7562 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
7563 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
7564 smulsi3_highpart_v8plus, unnamed subreg mult,
7565 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
7566 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
7567 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
7568 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
7569 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
7570 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
7571 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
7572 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
7573 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
7574 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
7575 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
7576 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
7577 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
7578 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
7579 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
7580 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
7581 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
7582 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
7583 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
7584 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
7585 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
7586 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
7587 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
7588 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
7589 call_address_untyped_struct_value_sp32,
7590 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
7591 call_value_symbolic_sp32, call_value_address_sp64,
7592 call_value_symbolic_sp64, branch_sp32, branch_sp64,
7593 flush_register_windows, goto_handler_and_restore,
7594 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
7595 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
7596 return_addsi, return_di, return_adddi, return_sf, all call+jump
7597 peepholes, trap, unnamed trap insns): Prettify output strings.
7598 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
7599 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
7600 Likewise and force + implement splits for integer cases.
7601 (define_insn return_sf_no_fpu): Likewise and allow to match when
7602 no-fpu because of our subreg SFmode splits.
7603 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
7604 zero_extendqidi2_insn, zero_extendhidi2_insn,
7605 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
7606 input_operand for second operand.
7607 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
7608 reg_or_0_operand for operand 2 so new splits can use it.
7609 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
7610 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
7612 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
7613 CONST_DOUBLEs for operand 2.
7614 (define_insn move_label_di): Likewise and label distance
7615 optimization because it no longer works with new deferred case
7616 vector scheme. To be revisited.
7617 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
7618 and allow reg_or_0_operand and J constraint for second operand.
7619 (define_insn jump): Set branch predict taken on V9.
7620 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
7621 new deferred case vector scheme.
7622 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
7623 (define_insn negdi2_sp32): Force + implement splits.
7624 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
7625 one_cmplsi2_not_liveg0 respectively, and create expander of original
7626 names which emit special rtl for TARGET_LIVE_G0.
7627 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
7628 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
7629 gen_compare_reg, FAIL instead.
7630 (define_insn sgtu, sleu): Likewise and check gen_s*() return
7631 values when trying to reverse condition codes, if they FAIL then
7633 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
7634 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
7635 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
7636 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
7637 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
7638 set output string to # to indicate they are mandatory splits.
7639 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
7640 pic_sethi_di, move_pic_label_si): Remove.
7641 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
7642 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
7644 (define_expand movsi_pic_label_ref, define_insn
7645 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
7646 expander and insns to handle PIC label references and deferred
7648 (define_insn get_pc_via_rdpc): Comment out as it is no longer
7650 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
7651 Rewrite to not use emit_move_sequence, make use of new constant
7652 formation code, and new splits for all multi-insn cases.
7653 (define_insn movqi_insn): Remove sethi case, it can never happen.
7654 Use reg_or_zero_operand instead of const0_rtx explicit test,
7655 use input_operand instead of move_operand for source, and use
7656 general_operand now for dest.
7657 (define_insn movhi_insn): Similar but leave sethi case.
7658 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
7659 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
7660 movhi_lo_sum respectively, prettify output string.
7661 (define_insn movsi_zero_liveg0): New pattern to put zero into a
7662 register when needed on TARGET_LIVE_G0.
7663 (define_insn movsi_insn): Use general_operand and input_operand
7664 for dest and src respectively. Simplify applicability test.
7665 Prettify output strings, and add clr alternative for J
7667 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
7668 deprecated std and reg-reg DI moves): Remove and...
7669 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
7670 implementation which uses forced splits for all non-single insn
7672 (define_split DI move cases on !arch64): New splits to handle all
7673 situations of 64-bit double register DImode on 32bit, and
7674 unaligned registers and memory addresses for all subtargets.
7675 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
7677 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
7678 input_operand for dest and src respectively, prettify output
7680 (define_insn movdf_insn, movdf_no_e_insn, store_df,
7681 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
7683 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
7684 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
7685 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
7686 movtf_no_e_insn_sp64) Replace with new
7687 implementation which uses forced splits for all non-single insn
7689 (define_split DF move cases): New splits in similar vein to DI
7691 (define_insn sethi_di_medlow, sethi_di_medium_pic,
7692 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
7693 movdi_sp64_insn): Remove old v9 code model and constant loading
7695 (define_insn pic_lo_sum_di, pic_sethi_di,
7696 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
7697 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
7698 embmedany_sethi, embmedany_losum, embmedany_brsum,
7699 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
7700 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
7701 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
7702 scheme, using unspecs, secondary reloads, and one to one sparc
7703 insn to rtl insn mapping for better scheduling and code gen.
7704 (define_expand reload_indi, reload_outdi): Reload helpers for
7705 MEDANY and EMBMEDANY symbol address loading cases which require a
7707 (define_expand movsicc): Remove v8plus_regcmp cases.
7708 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
7709 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
7710 cmp_diqi_trunc_set): New patterns used by some of the new scc
7712 (define_insn xordi3_sp64_dbl): New pattern used for constant
7713 formation when crossing from 32-bit targets.
7714 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
7716 (define_insn addx, subx): Make visible and prettify.
7717 (define_insn adddi3_insn_sp32): Likewise and force split.
7718 (define_insn addx_extend, subx_extend, unnamed): New patterns for
7719 64bit scc split usage.
7720 (define_insn unnamed plusDI zero_extend, unnamed minusDI
7721 zero_extend, subdi3): Force and implement splits.
7723 * final.c (final_scan_insn): Don't output labels if target
7724 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
7727 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
7728 don't forget to walk inside SEQUENCESs too as these are what the
7729 delay slot scheduler will create.
7731 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
7733 * alpha.md (extxl+1,+2): New patterns to work around
7736 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
7738 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
7739 caused bad assembly code to be generated.
7741 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
7743 * netbsd.h: Fix typo.
7745 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
7747 * config.sub: Fix typo.
7749 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
7751 * invoke.texi (Environment Variables): Typo: Change "ascpects"
7753 (Running Protoize): Typo: Change "ther" into "other".
7755 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
7757 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
7758 * m68k/netbsd.h: Likewise.
7759 * ns32k/netbsd.h: Likewise.
7760 * sparc/netbsd.h: Likewise.
7762 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
7764 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
7765 * ginclude/va-clipper.h (va_list): Likewise.
7767 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
7769 * rs6000.c (rs6000_override_options): If big endian and -Os, use
7770 load/store multiple instructions unless user overrides.
7772 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
7774 * ns32k/netbsd.h: Fix typo.
7776 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
7778 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
7779 labels with .debugsym if no parallel insns.
7781 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
7783 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
7784 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
7786 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
7788 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
7789 (AR_FOR_TARGET): Define.
7791 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
7793 * dyn-string.h: New file.
7794 * dyn-string.c: Likewise.
7795 * Makefile.in (OBJS): Add dyn-string.o.
7796 (dwarf2out.o): Add dyn-string.h dependency.
7797 (dyn-string.o): List dependencies.
7798 * dwarf2out.c: Include dyn-string.h.
7799 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
7800 (addr_const_to_string): Take a dyn_string_t, not a char* as a
7801 prototype. Use dyn_string_append rather than strcat, throughout.
7802 (addr_to_string): Use dyn_string_t.
7804 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
7806 Function entry/exit profiling instrumentation:
7807 * expr.h (profile_function_entry_libfunc,
7808 profile_function_exit_libfunc): Declare new variables.
7809 * optabs.c: Define them here.
7810 (init_optabs): Initialize them.
7811 * tree.h (struct tree_decl): New flag
7812 no_instrument_function_entry_exit.
7813 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
7814 * c-decl.c (duplicate_decls): Merge it.
7815 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
7816 (init_attributes): Use it for "no_instrument_function".
7817 (decl_attributes): Handle it, for functions that have not yet been
7818 compiled. Set decl flag.
7819 * flags.h (flag_instrument_function_entry_exit): Declare new
7821 * toplev.c (flag_instrument_function_entry_exit): Define it here.
7822 (f_options): New option "instrument-functions".
7823 * function.h (struct function): New field instrument_entry_exit.
7824 * function.c (current_function_instrument_entry_exit): New
7826 (push_function_context_to, pop_function_context_from): Save and
7828 (expand_function_start): Set current_ variable, maybe emit return
7829 label and entry profile call.
7830 (expand_function_end): Maybe emit exit profile call.
7832 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
7834 * i386.md (movqi): When optimizing a load of (const_int 1) into a
7835 NON_QI_REG_P, pretend the register is SImode.
7837 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
7839 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
7840 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
7841 manufacturer id for ns32k.
7842 * configure: Regenerated.
7843 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
7844 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
7845 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
7846 * config/m68k/netbsd.h: Same.
7847 * config/ns32k/netbsd.h: Same.
7848 * config/sparc/netbsd.h: Same.
7850 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
7852 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
7853 or UNROLL_COMPLETELY loop that starts with a jump to its
7856 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
7858 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
7859 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
7860 (print_operand, case 'B'): Don't fall through.
7861 (print_operand, case 'S'): Correct mask begin/end computation.
7862 Use HOST_BITS_PER_WIDE_INT.
7863 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
7864 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
7865 * rs6000/aix41.h (CPP_PREDEFINES): Same.
7866 * rs6000/aix43.h (CPP_PREDEFINES): Same.
7868 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
7870 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
7871 constraint from second alternative.
7873 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
7875 * configure.in: Fix --without/--disable cases for local-prefix,
7876 gxx-include-dir and checking.
7878 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7880 * configure.in (enable_haifa): Set by default for sparc64 too.
7883 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
7885 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
7886 * i386/winnt.c (associated_type): New fn.
7887 (i386_pe_valid_type_attribute_p): New fn.
7888 (i386_pe_check_vtable_importexport): Remove.
7889 (i386_pe_dllexport_p): Use associated_type.
7890 (i386_pe_dllimport_p): Likewise.
7892 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
7893 * i386.c (i386_valid_type_attribute_p): Also accept
7894 attributes for METHOD_TYPEs.
7896 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
7898 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
7900 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
7902 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
7904 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
7905 them from generating a new base name for each occurence of
7908 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
7910 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
7912 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
7916 * cplus-dem.c (type_kind_t): New type.
7917 (demangle_template_value_parm): Add type_kind_t parameter. Rely
7918 on this paramter, rather than demangling the type again.
7919 (demangle_integral_value): Pass tk_integral.
7920 (demangle_template_: Pass the value returned from do_type.
7921 (do_type): Return a type_kind_t. Pass tk_integral to
7922 demangle_template_value_parm for array bounds.
7923 (demangle_fund_type): Likewise.
7925 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
7927 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
7930 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
7932 * pa.c (move_operand): Accept CONSTANT_P_RTX.
7934 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
7936 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
7938 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
7941 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
7943 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
7944 (DEBUGGER_ARG_OFFSET): Likewise.
7946 * mn10300.md (movsf): Remove last change. Not needed.
7948 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
7950 * c-lex.c (yylex): Fix boundary conditions in character literal and
7951 string literal loops.
7953 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
7955 * longlong.h (count_leading_zeros): Sparclite scan instruction was
7956 being invoked incorrectly.
7958 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
7959 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
7961 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
7962 * configure.in: Added i[34567]86-*-win32
7963 * config.sub: Ditto.
7964 * configure: Rebuilt.
7966 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
7968 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
7969 the frame pointer and compiling PIC code and reload has not completed.
7971 * i386.c (output_to_reg): Add code to emulate non-popping DImode
7974 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
7976 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
7978 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7980 * Makefile.in (install-info): Only try to update the info
7981 directory file if it exists in the first place.
7983 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
7985 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
7987 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
7989 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
7990 CONST_DOUBLE source.
7992 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
7994 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
7995 strings as the insertion of USER_LABEL_PREFIX.
7996 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
7998 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
8001 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
8003 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
8004 already defined type.
8006 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
8008 * expr.c (check_max_integer_computation_mode): Allow conversions
8009 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
8010 (expand_expr): Likewise.
8012 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8014 * expr.c (expand_expr): Expand RETURN_EXPR.
8016 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
8018 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
8020 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
8022 * dwarf2out.c (output_aranges): Call stripattributes
8023 for TEXT_SECTION references.
8024 (output_line_info): Likewise.
8026 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8028 * profile.c (branch_prob): Call allocate_reg_info after outputting
8029 profile rtl in instrument_arcs.
8031 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
8033 * fixinc.irix (math.h): Install wrapper instead of copying.
8035 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8037 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
8038 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
8039 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
8040 lang_flag_0. Added documentation in the flag table.
8042 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
8044 * cccp.c (do_include): Fix vax c style include handling.
8046 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8048 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
8050 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
8052 * fold-const.c (non_lvalue): Don't deal with null pointer
8054 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8056 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
8058 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
8059 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
8060 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
8061 (u_short_cint_operand): Same.
8062 (reg_or_cint_operand): Same.
8063 (logical_operand): Same.
8064 (input_operand): Same.
8065 (reg_or_short_operand): Use u_short_cint_operand.
8067 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
8069 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
8070 but keep the insns and splits. Adjust so when the ultimate destination
8071 is memory, use cvtql.
8073 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
8075 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
8077 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
8079 * gcc.c (do_spec): Call "error" not "warning".
8081 * configure.in: Fix minor problems with gas feature detection code.
8082 * configure: Rebuilt.
8084 * gcc.c (do_spec): Issue a warning for '%[]' usage.
8087 * gcc.c: Delete %[spec] support.
8088 (do_spec_1, case '('): Likewise.
8089 (do_spec_1, case '['): Call error.
8091 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
8093 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
8094 (CPP_SUBTARGET_SPEC): Default to empty string.
8095 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
8096 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
8097 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
8098 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
8100 * alpha/linux.h (CPP_PREDEFINES): Tidy.
8101 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
8102 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
8103 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
8104 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
8105 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
8106 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
8107 * alpha/vxworks.h: Likewise.
8109 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
8111 * mips.md (reload_outsi): Added missing REGNO call.
8112 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
8114 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
8115 another match_operator and compare the codes.
8117 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
8119 * MIPS multiply pattern fixes:
8120 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8121 Add union classes for HI, LO, or HILO plus general registers.
8122 (GENERATE_MADD): Deleted.
8123 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
8124 Add TARGET_MAD to condition.
8125 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
8126 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
8127 "*d" for accumulator, to give preference to LO initially but not
8130 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
8132 * configure.in (enable_c_mbchar): New configure option.
8133 (extra_cpp_objs): Always available now.
8135 * cexp.y (mbchar.h): #include it.
8136 (yylex): Handle Multibyte characters in character literals.
8138 * cccp.c (mbchar.h): #include it.
8139 (main): Set character set based on LANG environment variable.
8140 (rescan): Handle multibyte characters in comments.
8141 (skip_if_group): See above.
8142 (validate_else): See above.
8143 (skip_to_end_of_comment): See above.
8144 (macarg1): See above.
8145 (discard_comments): See above.
8146 (rescan): Handle multibyte characters in string and character literals.
8147 (collect_expansion): See above.
8148 (skip_quoted_string): See above.
8149 (macroexpand): See above.
8150 (macarg1): See above.
8151 (discard_comments): See above.
8152 (change_newlines): See above.
8154 * c-lex.c (mbchar.h): #include it.
8155 (GET_ENVIRONMENT): New macro.
8156 (init_lex): Set character set based on LANG environment variable.
8157 (yylex): Handle multibyte characters in character literals.
8158 (yylex): Handle multibyte characters in string literals.
8160 * Makefile.in (mbchar.o): New target.
8161 (cccp$(exeext)): @extra_cpp_objs@ is always available.
8162 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
8164 * mbchar.[ch]: New files for multibyte character handling.
8166 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8168 * jump.c (jump_optimize): When simplifying noop moves and
8169 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
8170 the PUSHes to rewrite in second loop as we did in the first.
8172 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8174 * cplus-dem.c (demangle_nested_args): Make function definition
8175 static to match the prototype.
8177 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
8179 * alloca.c: Respect USE_C_ALLOCA.
8180 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
8181 * gengenrtl.c (xmalloc): Likewise.
8183 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
8185 * loop.h (struct induction): Add no_const_addval.
8186 * loop.c (the_movables, reg_address_cost): New variables.
8187 (init_loop): Init reg_address_cost.
8188 (loop_optimize): Call end_alias_analysis.
8189 (scan_loop): Init the_movables.
8190 (record_giv): Init induction->no_const_addval.
8191 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
8192 [REG]: Rearrange loop search test to catch more cases.
8193 (general_induction_var): Return success not benefit; take an extra
8194 argument for that. Change all callers.
8195 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
8196 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
8197 [default]: Search the_movables for additional combinations.
8198 (sge_plus_constant, sge_plus): New functions.
8199 (express_from_1): New function.
8200 (express_from): Always define. Rewrite using express_from_1.
8201 (combine_givs_p): Handle more cases. Ignore address cost.
8202 (cmp_combine_givs_stats): New function.
8203 (combine_givs_used_once, combine_givs_benefit_from): New functions.
8204 (combine_givs): Rewrite to do best-fit combination.
8206 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
8207 (fold): Do a complete (A*C)+(B*C) association check.
8209 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
8211 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
8213 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
8215 * mn10300.c (MODES_TIEABLE_P): Fix typo.
8217 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
8219 * tree.c (valid_machine_attribute): Only create a new type variant if
8220 there is a decl to use it.
8222 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
8224 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
8227 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
8229 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
8232 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
8234 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
8235 Simplify tests for clearing an address register.
8236 (expand_prologue): Corresponding changes.
8238 * mn10300.md (movXX patterns): Make sure the destination is an
8239 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
8240 (logical patterns): Split into expanders + patterns
8241 (zero and sign extension patterns): Similarly.
8242 (shift patterns): Similarly.
8244 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8246 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8247 for the sequence, recording base values.
8249 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8251 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
8253 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
8255 * gcc.c: Remove ANSI-C ism from --help code.
8257 * toplev.c: Support --help with USE_CPPLIB.
8259 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
8261 * configure.in: Rework gas feature code to work with symlink based
8264 * extend.texi: Clarify some issues related to local variables
8265 assigned to explicit registers.
8267 * mn10300.md (mulsi): Turn into expander + pattern.
8269 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
8272 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
8274 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
8276 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
8278 * version.c: Bump again to distinguish mainline tree from the
8281 See ChangeLog.0 for earlier changes.
8284 add-log-time-format: current-time-string
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