1 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
3 * cpplib.c: Make all directive handlers read their own
5 (struct directive): Remove last two arguments from FUNC
6 member prototype. Remove `command_reads_line' member
8 (directive_table): Remove initializations of
9 command_reads_line flag. Pretty-print.
10 (eval_if_expression, do_define, do_line, do_include,
11 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
12 do_else, do_elif, do_sccs, do_assert, do_unassert,
13 do_warning): Take only two args.
15 (cpp_define): Call do_define with two args and the text to
16 define stuffed into a buffer.
17 (make_assertion): Call do_assert with two args.
18 (handle_directive): Call do_line with two args. Call
19 kt->func with two args. Remove command_reads_line
21 (do_define, do_undef, do_error, do_warning, do_pragma,
22 do_sccs): Read the rest of the line here.
23 (do_ident): Gobble rest of line, as cccp does.
24 (cpp_undef): New function.
25 (cpp_start_read): Call cpp_undef instead of do_undef.
27 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
29 * cpphash.h (union hash_value): Remove `keydef' member, add a
30 `struct hashnode *aschain' member for #assert.
32 * cpplib.c (struct tokenlist_list, struct
33 assertion_hashnode): Delete structure definitions.
34 (assertion_install, assertion_lookup, delete_assertion,
35 check_assertion, compare_token_lists, reverse_token_list,
36 read_token_list, free_token_list): Delete functions.
37 (parse_assertion): New function.
38 (cpp_cleanup): Don't destroy the assertion_hashtable.
40 (do_assert): Gut and rewrite. #assert foo (bar) places
41 entries for `#foo' and `#foo(bar)' in the macro hash table,
42 type T_ASSERT. The value union's `aschain' member is used
43 to chain all answers for a given predicate together.
44 (do_unassert): Also rewritten. Take an un-asserted
45 answer off the chain from its predicate and call
46 delete_macro on the hashnode, or walk a predicate chain
47 calling delete_macro on all the entries.
48 (cpp_read_check_assertion): Simply call parse_assertion to
49 get the canonical assertion name, and look that up in the
52 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
55 * cpphash.c (install): Use bcopy instead of an explicit loop
56 to copy the macro name.
58 * cppexp.c (cpp_lex): Convert the result of
59 cpp_read_check_assertion to a `struct operation' directly;
60 don't go through parse_number.
62 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
64 * loop.h (struct induction): Delete times_used member.
65 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
66 (n_times_used): Rename to n_times_set. Changed all users.
67 (scan_loop): Free reg_single_usage before strength reduction.
68 (record_giv, combine_givs): Remove handling of times_used member.
69 (combine_givs_used_once): Rename to:
70 (combine_givs_used_by_other) . Changed all callers.
72 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
74 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
75 instead of TREE_CODE_CLASS == 't'.
76 (gen_type_die): Likewise.
77 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
79 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
81 * real.c (endian): Disable last change unless
82 HOST_BITS_PER_WIDE_INT is greater than 32.
84 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
86 * output.h (force_data_section): New prototype.
87 * varasm.c (force_data_section): New function to force the
88 data section, regardless of what in_section thinks.
89 * dwarf2out.c (output_call_frame_info): Call force_data_section
90 since varasm may not realize we've changes sections.
92 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
94 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
95 after completeing reload.
97 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
100 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
102 * rtl.h (multiple_sets): Fix prototype.
103 * rtlanal.c (multiple_sets): Fix return type.
105 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
107 * version.c: Bump for snapshot.
109 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
111 * version.c: Bump for snapshot.
113 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
115 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
117 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
119 * rtl.h (recompute_reg_usage): Add second argument.
120 * flow.c (recompute_reg_usage): Likewise.
121 * toplev.c (rest_of_compilation): Supply second argument to
124 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
127 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
129 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
130 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
131 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
134 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
136 * rtlanal.c (multiple_sets): New function.
137 * rtl.h (multiple_sets): Declare it.
138 * local-alloc.c (wipe_dead_reg): Use it.
139 * global.c (global_conflicts): Likewise.
141 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
143 * global.c (record_conflicts): Don't use an array of shorts to
144 store an array of ints.
145 (global_conflicts): Likewise.
147 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
149 * alpha.c (alpha_expand_block_move): mode_for_size expects
150 bits, not bytes. Infer extra alignment from addressof.
152 1998-12-11 Michael Meissner <meissner@cygnus.com>
154 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
155 .sbss section, not .sdata.
157 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
159 * cccp.c: Do not #include <sys/stat.h> here; this is already done
161 * collect2.c: Likewise.
162 * cpplib.h: Likewise.
165 * getpwd.c: Likewise.
166 * protoize.c: Likewise.
167 * toplev.c: Likewise.
169 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
170 and don't try to define it here.
171 * Makefile.in (cppmain.o): Depend on machmode.h.
172 (cpplib.o): Likewise.
173 (cpperror.o): Likewise.
174 (cppexp.o): Likewise.
175 (cppfiles.o): Likewise.
176 (cpphash.o): Likewise.
177 (cppalloc.o): Likewise.
178 (fix-header.o): Likewise.
179 (scan-decls.o): Likewise.
181 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
183 * sh.c (print_operand): lookup interrupt_handler attribute instead
184 of relying on static variable.
185 * (calc_live_regs): Likewise.
186 * (sh_pragma_insert_attributes): Create interrupt_handler
187 attribute if a pragma was specified
188 * (sh_valid_machine_decl_attribute): Don't set static flag.
189 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
191 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
193 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
194 to determine if a register is live at a jump destination.
195 Everything is dead at a BARRIER.
197 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
199 * cse.c (simplify_unary_operation): Sign-extend constants when
200 they have the most significant bit set for the target.
201 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
203 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
204 HOST_WIDE_INT temporary before negating it.
205 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
207 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
209 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
212 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
214 * collect2.h: New header file for prototypes.
216 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
218 * collect2.c: Include collect2.h.
221 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
223 * flow.c: Update some comments.
225 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
227 * objc/objc-act.c (cpp_initialized): Removed.
228 (lang_init_options): Initialize cpplib.
229 (lang_decode_option): Move initialization of cpplib to
231 * c-lang.c: (parse_options,parse_in): Added.
232 (lang_init_options): Initialized cpplib here.
233 * c-decl.c (parse_options,cpp_initialized): Removed.
234 (c_decode_option): Move initialization of cpplib to
237 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
239 * reload1.c (reload_combine, reload_combine_note_store):
240 Make STORE_RUID always valid.
241 (reload_combine): Check if BASE is clobbered too early.
243 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
245 * reload.c (find_reloads): Display the insn that cannot be
248 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
250 * cccp.c (create_definition): Fix end of bufer logic.
252 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
254 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
255 pointer parameters changed to use the PARAMS() macro.
257 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
259 * except.h (struct handler_info): Add handler_number field.
260 * except.c (gen_exception_label): EH labels no longer need to be
261 on the permanent obstack.
262 (get_new_handler): Set the label number field.
263 (output_exception_table_entry): Regenerate handler label reference
264 from the label number field.
265 (init_eh): Remove a blank line.
266 * integrate.c (get_label_from_map): Labels no longer need to be
267 on the permanent obstack.
269 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
271 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
272 only when OUTER_CODE is SET.
274 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
276 * loop.c (strength_reduce): If scan_start points to the loop exit
277 test, be wary of subversive use of gotos inside expression statements.
278 Don't set maybe_multiple for a backward jump that does not
279 include the label under consideration into its range.
280 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
282 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
284 * explow.c (plus_constant_wide): Don't immediately return with
285 result of recursive call.
287 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
289 * eh-common.h (struct eh_context): Add table_index for rethrows.
291 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
292 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
293 processed when inlined or unrolled (ie duplicated in some way).
295 * rtl.c (reg_note_name): Add strings for new reg_note enums.
297 * expr.h (rethrow_libfunc): New library decl.
299 * optabs.c (rethrow_libfunc): Initialize.
301 * except.h (struct eh_entry): Add new field 'rethrow_label'.
302 (new_eh_region_entry): No longer exported from except.c.
303 (duplicate_handlers): Renamed to duplicate_eh_handlers and
305 (rethrow_symbol_map, rethrow_used): New exported functions.
306 (eh_region_from_symbol): New exported function.
308 * except.c (create_rethrow_ref): New function to create a single
309 SYMBOL_REF for a rethrow region.
310 (push_eh_entry): Initialize a rethrow ref.
311 (func_eh_entry): Add a rethrow_label field.
312 (new_eh_region_entry): Make static, and initialize the rethrow entry.
313 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
314 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
315 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
316 a region into an appropriate new symbol.
317 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
318 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
319 (end_catch_handler): Emit a barrier for new-exceptions since
320 control can never drop through the end of a catch block.
321 (expand_end_all_catch): new-exceptions never fall through a catch
323 (expand_rethrow): use __rethrow routine for new exceptions.
324 (output_exception_table_entry): Generate rethrow labels, if needed.
325 (output_exception_table): Generate start and end rethrow labels.
326 (init_eh): Create rethrow symbols for beginning and end of table.
327 (scan_region): Don't eliminate EH regions which are the targets of
330 * flow.c (make_edges): Add different edges for rethrow calls,
331 identified by having the REG_EH_RETHROW reg label.
332 (delete_unreachable_blocks): Don't delete regions markers which are
333 the target of a rethrow.
335 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
336 allow save_for_inline_copying to call duplicate_eh_handlers.
337 (save_for_inline_copying): Call duplicate_eh_handlers instead of
338 exposing internal details of exception regions.
339 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
340 (expand_inline_function_eh_labelmap): New callback routine to
341 allow expand_inline_function to call duplicate_eh_handlers.
342 (expand_inline_function): Call duplicate_eh_handlers instead of
343 exposing internal details of exception regions.
344 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
347 * libgcc2.c (find_exception_handler): Generalize to enable it to
348 pick up processing where it left off last time for a rethrow.
349 (__unwinding_cleanup): New function. debug hook which is called before
350 unwinding when __throw finds there is nothing but cleanups left.
351 (throw_helper): Common parts of __throw extracted out for reuse.
352 (__throw): Common parts moved to throw_helper.
353 (__rethrow): New function for performing rethrows.
355 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
357 * reload1.c (current_function_decl): Tweak declaration.
359 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
361 * c-decl.c (flag_isoc9x): Default off.
362 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
363 * cccp.c (print_help, main): Likewise.
364 * gcc.c (default_compilers): Update for -std=gnu*.
366 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
368 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
369 * demangle.h: Deleted.
371 * reload1.c (current_function_decl): Declare.
373 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
375 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
377 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
379 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
381 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
383 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
385 * configure: Rebuilt.
386 * system.h: If the *_unlocked functions are available use them
387 instead of the locked counterparts by defining macros.
388 * config.in: Regenerated.
390 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
392 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
393 wrong and should only be used for dump related things, not
394 debugging information, instead main_input_filename should be used.
395 Also, reuse output_file_directive if possible.
396 * i386/aix386ng.h (ASM_FILE_START): Likewise.
397 * i386/isc.h (ASM_FILE_START): Likewise.
398 * i386/win-nt.h (ASM_FILE_START): Likewise.
399 * i386/sun386.h (ASM_FILE_START): Likewise.
401 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
403 * configure.in (mips*-*-linux*): Handle big and little endian
405 * configure: Rebuilt.
407 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
409 * emit-rtl.c: Fix typo.
411 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
413 * reload1.c (eliminate_regs): Don't do anything, if we're not
416 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
418 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
420 * mips/mips.c (mips_select_section): Add comment.
422 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
424 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
425 characters in file names in #line to be consistent with #include
426 handling. We support escape prcessing in the # 1 "..." version of
427 the command. See also support in cp/lex.c.
428 (handle_directive): Likewise.
431 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
433 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
434 so it'll work on non-ASCII platforms. Always consider $ an
435 identifier character. Take no arguments.
436 (cpp_reader_init): Call initialize_char_syntax with no
438 (cpp_start_read): Don't call initialize_char_syntax again.
439 Clear is_idchar['$'] and is_idstart['$'] if not
440 opts->dollars_in_ident.
442 * cpplib.h (struct cpp_reader): Replace void *data element by
443 cpp_options *opts. Rearrange elements to make gdb printout
444 less annoying (put buffer stack at end).
445 (CPP_OPTIONS): Get rid of now-unnecessary cast.
447 * cppmain.c: s/data/opts/ when initializing cpp_reader
449 * c-decl.c: Likewise.
450 * objc/objc-act.c: Likewise.
451 * fix-header.c: Likewise.
453 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
455 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
456 with a struct file_name_list pointer.
457 (struct cpp_reader): Add pointer to chain of `actual
458 directory' include searchpath entries.
459 (struct file_name_list): Add *alloc pointer for the sake of
460 the actual-directory chain.
462 Move definition of HOST_WIDE_INT here.
463 (cpp_parse_escape): Change prototype to match changes in
466 * cppfiles.c (actual_directory): New function.
467 (finclude): Use it to initialize the buffer's actual_dir
469 (find_include_file): We don't need to fix up max_include_len
472 * cpplib.c (do_include): Don't allocate a file_name_list on
473 the fly for current directory "" includes, use the one that's
474 been preallocated in pfile->buffer->actual_dir. Hoist out
475 duplicate code from the search_start selection logic.
476 (cpp_reader_init): Initialize pfile->actual_dirs.
478 Remove definition of HOST_WIDE_INT. Change calls
479 to cpp_parse_escape to match changes in cppexp.c (note
480 hardcoded MASK, which is safe since this is the source
483 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
484 to handle wide character constants in #if directives. The
485 function now returns a HOST_WIDE_INT, and takes a third
486 argument which is a binary mask for all legal values (0x00ff
487 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
488 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
489 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
491 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
493 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
495 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
497 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
498 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
499 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
501 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
503 * final.c (output_asm_name): Use tabs to seperate comments from
506 Include instruction lengths (if defined) in output.
508 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
510 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
511 in the loop_info structure.
513 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
515 * configure.in: (arm*-*-ecos-elf): New target.
516 * configure: Regenerated.
517 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
518 * config/arm/ecos-elf.h: New file.
519 * config/arm/unknown-elf.h (TARGET_VERSION): Check
522 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
524 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
526 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
528 * version.c: Bump for snapshot.
530 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
532 * loop.c (check_dbra_loop): New argument loop_info. Update fields
535 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
537 * version.c: Bump for snapshot.
539 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
541 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
542 compressed reports are ok and preferred over URLs
544 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
546 * invoke.texi (Warning Options): Soften the tone of -pedantic
548 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
550 * print-rtl.c (print_rtx): Add prototype.
552 * unroll.c (iteration_info): Make it static.
554 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
556 * alias.c (memrefs_conflict_p): A second ANDed address
557 disables the aligned address optimization.
559 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
561 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
564 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
566 * i960.h (BOOL_TYPE_SIZE): Define.
568 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
570 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
571 from old valid_parallel_operands_4.
572 (valid_parallel_operands_4): Check that operands for 4 operand
573 parallel insns are valid, excluding load/store insns.
574 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
575 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
576 valid_parallel_load_store instead of valid_parallel_operands_4.
577 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
578 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
579 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
580 *notqi_movqi_clobber): Use valid_parallel_operands_4.
581 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
582 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
583 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
585 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
587 * config/c4x/c4x.c (iteration_info): Delete extern.
589 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
591 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
593 * final.c (cleanup_subreg_operands): Delete some unused code.
595 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
596 (struct insn_alternative): New structure definition.
597 (recog_op_alt): Declare variable.
598 (preprocess_constraints): Declare function.
599 * recog.c (recog_op_alt): New variable.
600 (extract_insn): Verify number of alternatives is in range.
601 (preprocess_constraints): New function.
602 * reg-stack.c: Include recog.h.
603 (constrain_asm_operands): Delete.
604 (get_asm_operand_lengths): Delete.
605 (get_asm_operand_n_inputs): New function.
606 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
607 N_OUTPUTS args. All callers changed.
608 Compute number of inputs and outputs here by calling
609 get_asm_operand_n_inputs.
610 Instead of constrain_asm_operands, call extract_insn,
611 constrain_operands and preprocess_constaints. Use information
612 computed by these functions throughout.
613 (record_reg_life): Delete code that is unused due to changes in
615 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
616 N_INPUTS and N_OUTPUTS args. All callers changed.
617 Similar changes as in record_asm_reg_life.
618 (subst_stack_regs): Move n_operands declaration into the if statement
620 Delete code that is unused due to changes in subst_asm_stack_regs.
621 * stmt.c (expand_asm_operands): Verify number of alternatives is in
623 * Makefile.in (reg-stack.o): Depend on recog.h.
625 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
627 * except.c (set_exception_version_code): Argument is an "int".
629 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
631 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
632 * configure: Rebuilt.
634 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
636 * configure.in (mipsel-*-linux*): New target.
637 * mips/linux.h: New file, based on other Linux targets.
639 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
641 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
642 runs in the context of the deleter, not the deletee, so we must
643 use taskVarGet to find the correct memory to free.
644 (__gthread_key_create): Initialize the task
645 variable subsystem so that the task variable is still active when
646 the delete hook is run.
648 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
650 * pdp11.h: Use optimize_size for space optimizations.
652 * pdp11.md: Likewise.
654 * pdp11.h (TARGET_40_PLUS): Fix typo.
656 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
658 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
661 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
663 * alias.c (addr_side_effect_eval): New function.
664 (memrefs_conflict_p): Use it.
665 * rtl.h (addr_side_effect_eval): Prototype it.
667 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
669 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
671 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
673 * reload.c (find_reloads): When force const to memory, put result
674 in substed_operand not *recog_operand_loc.
676 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
678 * c-lex.c: Fix indentation from last patch.
679 Remove trailing whitespace.
682 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
684 * flow.c (delete_block): Call set_last_insn after we have reset
685 NEXT_INSN (kept_tail).
687 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
689 * mips.md (trap_if): Use "$0" for the value zero.
691 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
692 Stephen L Moshier <moshier@world.std.com>
693 Richard Henderson <rth@cygnus.com>
695 * c-common.c (declare_function_name): Declare predefinied variable
698 * c-decl.c (flag_isoc9x): Set to 1 by default.
699 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
700 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
702 * c-parse.in: Allow constructors in ISO C 9x.
703 Rewrite designator list handling.
704 Allow [*] parameters.
705 Don't warn about comma at end of enum definition for ISO C 9x.
707 * cccp.c (c9x): New variable.
708 (rest_extension): New variable.
709 (print_help): Document new -std= option.
710 (main): Recognize -std= option. Set c9x appropriately.
711 (create_definition): Recognize ISO C 9x vararg macros.
713 * gcc.c (default_compilers): Adjust specs for -std options.
714 (option_map): Add --std.
715 (display_help): Document -std.
717 * toplev.c (documented_lang_options): Add -std and remove
720 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
721 or REAL_VALUE_HTOF based on base of the constants.
722 * fold-const.c (real_hex_to_f): New function. Replacement function
723 for hex FP conversion if REAL_ARITHMETIC is not defined.
724 * real.c (asctoeg): Add handling of hex FP constants.
725 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
728 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
730 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
731 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
732 expansion. Use hi/lo as destination register.
734 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
735 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
736 Avoid as macro expansion. Use hi/lo as destination register.
738 * mips.h (MASK_CHECK_RANGE_DIV): New.
739 (MASK_NO_CHECK_ZERO_DIV): New.
740 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
741 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
742 return address for leaf functions out of r31 to support
743 builtin_return_address.
745 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
747 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
748 NEXT_INSN(x) to check insn x.
750 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
752 * flow.c (delete_block): Call set_last_insn if we end up deleting the
753 last insn in the rtl chain.
755 * reload1.c (reload): Do not set reload_completed or split insns
757 * toplev.c (rest_of_compilation): Set reload_completed after
758 reload returns. Split insns after reload_cse has run.
760 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
762 * final.c (final_scan_insn): Abort if block_depth falls below 0.
764 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
766 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
768 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
770 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
771 use of user-label_prefix.
773 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
775 * reload1.c (emit_reload_insns): Clear spill_reg_store
776 when doing a new non-inherited reload from the same pseudo.
778 * local-alloc.c (function_invariant_p): New function.
779 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
780 to decide if an equivalence should be recorded.
781 * reload1.c (num_eliminable_invariants): New static variable.
782 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
783 to decide if an equivalence should be recorded.
785 (calculate_needs_all_insns): Skip insns that only set an equivalence.
786 Take num_eliminable_invariants into account when deciding
787 if register elimination should be done.
788 (reload_as_needed): Take num_eliminable_invariants into account
789 when deciding if register elimination should be done.
790 (eliminate_regs): Handle non-constant reg_equiv_constant.
791 * rtl.h (function_invariant_p): Declare.
793 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
795 * version.c: Bump for snapshot.
797 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
799 * version.c: Bump for snapshot.
801 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
803 * except.c (add_new_handler): Complain about additional handlers
804 after one that catches everything.
806 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
808 * configure.in (alpha*-*-netbsd): Fix typo.
809 * configure: Rebuilt.
811 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
813 * system.h: Include libiberty.h.
815 * c-aux-info.c: Remove prototypes for concat/concat3. Change
816 function `concat' from fixed parameters to variable parameters,
817 as is done in libiberty. All callers of concat/concat3
818 changed to use the new `concat' with variable args.
820 * cccp.c: Remove things made redundant by libiberty.h and/or
821 conform to libiberty standards.
823 * collect2.c: Likewise.
824 * config/1750a/1750a.h: Likewise.
825 * cppalloc.c: Likewise.
826 * cppexp.c: Likewise.
827 * cppfiles.c: Likewise.
828 * cpphash.c: Likewise.
829 * cpplib.c: Likewise.
830 * dyn-string.c: Likewise.
831 * fix-header.c: Likewise.
834 * genattr.c: Likewise.
835 * genattrtab.c: Likewise.
836 * gencheck.c: Likewise.
837 * gencodes.c: Likewise.
838 * genconfig.c: Likewise.
839 * genemit.c: Likewise.
840 * genextract.c: Likewise.
841 * genflags.c: Likewise.
842 * gengenrtl.c: Likewise.
843 * genopinit.c: Likewise.
844 * genoutput.c: Likewise.
845 * genpeep.c: Likewise.
846 * genrecog.c: Likewise.
847 * getpwd.c: Likewise.
848 * halfpic.c: Likewise.
850 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
851 in NEED_DECLARATION_* macros.
853 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
854 conform to libiberty standards.
855 (fatal): Fix const-ification of variable `format' in
856 !ANSI_PROTOTYPES case.
858 * prefix.c: Remove things made redundant by libiberty.h and/or
859 conform to libiberty standards.
861 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
862 conflicting with function `spaces' from libiberty.
864 * profile.c: Remove things made redundant by libiberty.h and/or
865 conform to libiberty standards.
866 * protoize.c: Likewise.
870 * toplev.c: Likewise.
871 * toplev.h: Likewise.
874 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
876 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
878 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
880 * README.C4X: Updated URLs.
881 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
882 (valid_parallel_operands_5): Remove unused variable.
884 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
886 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
888 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
890 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
891 which can be configured.
892 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
893 (Makefile): Pass actual LANGUAGES through the environment when
895 (cstamp-h): Likewise.
896 (config.status): Likewise.
898 * configure.in (enable_languages): Add new configuration parameter
899 "--enable-languages=lang1,lang2,...".
900 (${srcdir}/*/config-lang.in): Change handling to configure only
901 those directories, that the user might have enabled; default to
902 "all" existing languages.
903 * configure: Regenerate.
905 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
907 * rtlanal.c (regs_set_between_p): New function.
908 * rtl.h (regs_set_between_p): Prototype it.
909 * jump.c (jump_optimize): Use it instead of modified_between_p
912 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
913 Matthias Pfaller <leo@dachau.marco.de>
915 * invoke.texi (Option Summary, NS32K Options): add description
916 of NS32K specific options.
918 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
919 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
920 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
921 negdf2, absdf2): Use l instead of f since the double class and
922 float class are no longer the same.
923 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
924 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
925 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
926 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
928 (cmpsi, cmphi, cmpqi): use general_operand instead of
929 non_immediate_operand. Removes erroneous assumption that can't
931 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
932 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
934 (movstrsi, movstrsi1, movstrsi2): completely new block move
936 (...): Patterns to exploit multiply-add instructions.
937 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
938 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
939 patterns to exploit extended divide insns.
940 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
943 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
944 float return values as well as simple scalar floats.
945 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
946 support new flag to denote 32381 fpu.
947 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
948 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
950 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
951 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
952 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
953 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
954 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
955 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
956 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
957 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
958 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
959 fpu registers and special register classes for new 32381
960 instructions dotf and polyf.
961 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
963 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
964 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
966 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
967 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
968 (REGISTER_MOVE_COST): move code to register_move_cost function for
969 ease of coding and debugging.
970 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
971 LONG_FLOAT_REGO is likely spilled but not caught by default
973 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
974 instead of hard coded numbers in range check.
975 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
976 (...): Add prototypes for functions in ns32k.c but disable because
977 of problems when ns32k.h is included in machine independant files.
979 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
980 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
981 hard_regno_mode_ok, secondary_reload_class,
982 print_operand, print_operand_address): new register scheme to
983 include 32381 fpu registers and special register classes for new
984 32381 instructions dotf and polyf.
985 (gen_indexed_expr): Make static to keep namespace clean.
986 (check_reg): remove since never called.
987 (move_tail, expand_block_move): helper functions for "movstrsi"
989 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
990 Increase cost of moves which go via memory.
991 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
992 (CPP_PREDEFINES): nolonger predefine "unix".
994 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
995 Remove erroneous %$. print_operand() can work out from the rtx is
996 an immediate prefix is required.
998 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
999 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
1000 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
1002 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
1005 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
1006 Correct handling of pic operands.
1007 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
1008 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
1009 -mrtd calling convention.
1011 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
1013 * gcc.c (option_map): Recognize --output-class-directory.
1015 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1017 * loop.h (precondition_loop_p): Added new mode argument.
1018 * unroll.c (precondition_loop_p): Likewise.
1019 (approx_final_value): Function deleted and subsumed
1020 into loop_iterations.
1021 (loop_find_equiv_value): New function.
1022 (loop_iterations): Use loop_find_equiv_value to find increments
1023 too large to be immediate constants. Also use it to find terms
1024 common to initial and final iteration values that can be removed.
1026 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1028 * loop.h (struct loop_info): Define new structure.
1029 (precondition_loop_p): Added prototype.
1030 (unroll_loop): Added new argument loop_info to prototype.
1031 (final_biv_value, final_giv_value): Added new argument n_iterations
1033 * loop.c (strength_reduce): Declare new structure loop_iteration_info
1034 and new pointer loop_info.
1035 (loop_n_iterations): Replace global variable by element in
1036 loop_info structure.
1037 (check_final_value): New argument n_iterations.
1038 (insert_bct): New argument loop_info.
1039 (loop_unroll_factor): Replace global array by element in
1040 loop_info structure.
1041 (loop_optimize): Remove code to allocate and initialise
1042 loop_unroll_factor_array.
1043 * unroll.c (precondition_loop_p): No longer static since
1044 used by branch on count optimization.
1045 (precondition_loop_p, unroll_loop): New argument loop_info.
1046 (final_biv_value, final_giv_value, find_splittable_regs): New
1047 argument n_iterations.
1048 (loop_iteration_var, loop_initial_value, loop_increment,
1049 loop_final_value, loop_comparison_code, loop_unroll_factor):
1050 Replaced global variables by loop_info structure.
1051 (loop_unroll_factor): Replace global array by element in
1052 loop_info structure.
1054 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1056 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
1059 * unroll.c (precondition_loop_p): Return loop_initial_value
1060 for initial_value instead of loop_iteration_var.
1062 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1064 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
1065 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
1066 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
1067 to output the instruction sequences.
1069 (rptb_top): Provide alternatives to use any register or memory
1071 (rptb_end): Emit use of operands rather than assigning them
1072 explicitly to the RS and RE registers.
1074 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1076 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
1077 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
1078 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
1079 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
1080 c4x_merge_notes, c4x_parallel_process,
1081 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
1082 c4x_combine_parallel): Delete.
1084 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1086 * config/c4x/c4x.c: (c4x_override_options): For compatibility
1087 with old target options clear flag_branch_on_count_reg if
1088 -mno-rptb specified and set flag_argument_alias is -mno-aliases
1090 (c4x_output_cbranch): Handle a sequence of insns rather than a
1092 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
1093 has not been allocated as the loop counter.
1094 (c4x_address_conflict): Do not allow two volatile memory references.
1095 (valid_parallel_operands_4, valid_parallel_operands_5,
1096 valid_parallel_operands_6): Reject pattern if the register destination
1097 of the first set is used as part of an address in the second set.
1099 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1101 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
1102 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
1103 is no longer enabled if PARALLEL_MPY_FLAG set.
1104 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
1105 (REG_CLASS_CONTENTS): Add braces around initializers.
1106 (HAVE_MULTIPLE_PACK): Define.
1107 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
1108 REAL_VALUE_TO_DECIMAL.
1109 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
1110 REAL_VALUE_TO_DECIMAL.
1111 (ar0_reg_operand): Add prototype.
1112 (ar0_mem_operand): Likewise.
1113 (ar1_reg_operand): Likewise.
1114 (ar1_mem_operand): Likewise.
1115 (ar2_reg_operand): Likewise.
1116 (ar2_mem_operand): Likewise.
1117 (ar3_reg_operand): Likewise.
1118 (ar3_mem_operand): Likewise.
1119 (ar4_reg_operand): Likewise.
1120 (ar4_mem_operand): Likewise.
1121 (ar5_reg_operand): Likewise.
1122 (ar5_mem_operand): Likewise.
1123 (ar6_reg_operand): Likewise.
1124 (ar6_mem_operand): Likewise.
1125 (ar7_reg_operand): Likewise.
1126 (ar7_mem_operand): Likewise.
1127 (ir0_reg_operand): Likewise.
1128 (ir0_mem_operand): Likewise.
1129 (ir1_reg_operand): Likewise.
1130 (ir1_mem_operand): Likewise.
1131 (group1_reg_operand): Likewise.
1132 (group1_mem_operand): Likewise.
1133 (ir1_reg_operand): Likewise.
1134 (arx_reg_operand): Likewise.
1135 (not_rc_reg): Likewise.
1136 (not_modify_reg): Likewise.
1137 (c4x_group1_reg_operand): Remove prototype.
1138 (c4x_group1_mem_operand): Likewise.
1139 (c4x_arx_reg_operand): Likewise.
1141 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
1143 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
1144 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
1146 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1148 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
1151 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1153 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
1154 unless FMOVD_WORKS is defined.
1156 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1158 * regclass.c (init_reg_sets): Move code that calculates tables
1159 dependent on reg_class_contents from here...
1160 (init_reg_sets_1): To here.
1162 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1164 * cpplib.h: Delete struct import_file. Add ihash element to
1165 struct cpp_buffer. Delete dont_repeat_files and
1166 import_hash_table elements from cpp_reader; change
1167 all_include_files to a hash table. Delete all foobar_include
1168 / last_foobar_include elements from struct cpp_options; put
1169 back four such: quote_include, bracket_include,
1170 system_include, after_include. Redo struct file_name_list
1171 completely. Add new structure type include_hash. Add
1172 prototypes for merge_include_chains and include_hash. Change
1173 prototypes for finclude, find_include_file, and
1174 append_include_chain to match changes below.
1176 * cppfiles.c (simplify_pathname, include_hash,
1177 remap_filename, merge_include_chains): New functions.
1178 (add_import, lookup_import, open_include_file): Removed.
1179 (INO_T_EQ): Define this (copied from cccp.c).
1180 (hack_vms_include_specification): Remove all calls and #if 0
1181 out the definition. It was being called incorrectly and at
1182 the wrong times. Until a VMSie can look at this, it's better
1183 to not pretend to support it.
1184 (append_include_chain): Change calling convention; now takes
1185 only one directory at a time, and sets up the data structure
1187 (redundant_include_p): Rewritten - this is now used for all
1188 include redundancy, whether by #ifndef, #import, or #pragma
1189 once. Looks up things in the include hash table.
1190 (file_cleanup): Decrement pfile->system_include_depth here if
1192 (find_include_file): Calling convention changed; now passes
1193 around a struct include_hash instead of 3 separate parameters.
1194 Guts ripped out and replaced with new include_hash mechanism.
1195 (finclude): Calling convention changed as for
1196 find_include_file. Error exits pulled out-of-line. Reformat.
1197 (safe_read): Return a long, not an int.
1198 (deps_output): Don't recurse.
1200 * cpplib.c (is_system_include): Deleted.
1201 (path_include): Fix up call to append_include_chain.
1202 (do_include): Fix up calls to find_include_file and finclude.
1203 Clean up dependency output a bit. Shorten obnoxiously lengthy
1204 #import warning message. Don't decrement
1205 pfile->system_include_depth here.
1206 (do_pragma): Understand the include_hash structure. Reformat.
1207 (do_endif): Correct handling of control macros. Understand
1209 (cpp_start_read): Fix up calls to finclude. Call
1210 merge_include_chains.
1211 (cpp_handle_option): Fix up calls to append_include_chain.
1212 Understand the four partial include chains.
1213 (cpp_finish): Add debugging code (#if 0-ed out) for the
1215 (cpp_cleanup): Free the include_hash, not the import hash and
1216 the all_include and dont_repeat lists which no longer exist.
1218 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
1220 * toplev.c (no_new_pseudos): Define.
1221 (rest_of_compilation): Set no_new_pseudos as needed.
1222 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
1223 if no_new_pseudos is set.
1224 * rtl.h (no_new_pseudos): Declare it.
1225 * reload1.c (reload): Update comments.
1226 * md.texi: Corresponding changes.
1228 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1230 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
1231 (choose_reload_regs): Rename it here as well. When computing it,
1232 also merge in used hardregs.
1234 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1236 * gcc.c: Split out Objective-C specs to...
1237 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
1240 * c-lex.c (init_parse): Always initialize the filename global.
1241 * objc/objc-act.c (lang_init): Always call check_newline at
1244 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
1246 * reload1.c (reload): Remove unused variable.
1247 (reload_reg_free_for_value_p): Add missing parameter definition.
1249 * jump.c (jump_optimize): Remove unused variable.
1251 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
1253 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
1255 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
1257 * expr.c (move_by_pieces): Similarly.
1258 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
1259 * flow.c (find_auto_inc): Similarly.
1260 (try_pre_increment): Similarly.
1261 * loop.c (strength_reduce): Similarly.
1262 * regclass.c (auto_inc_dec_reg_p): Similarly.
1263 * regmove.c (try_auto_increment): Similarly.
1264 (fixup_match_1): Similarly.
1265 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
1266 (HAVE_PRE_DECREMENT): Similarly.
1267 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
1268 * Corresponding changes to all target header files.
1269 * tm.texi: Update docs for autoinc addressing modes.
1271 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
1273 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
1274 * configure: Rebuild.
1275 * config/elfos.h: New file.
1276 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
1277 config/m68k/t-m68kelf: New file.
1279 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
1281 * Makefile.in (HOST_AR): Define.
1282 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
1283 (libcpp.a): Use the host tools explicitly.
1284 (STAGESTUFF): Add libcpp.a.
1286 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
1288 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
1289 to source and destination registers.
1291 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
1293 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
1294 The strategy we now use is to pre allocate the top_elt along
1295 with the EH context so that each thread has its own top_elt.
1296 This is necessary as the dynmanic cleanup chain is used on the
1297 top element of the stack and each thread MUST have its own.
1298 (eh_context_static): Likewise.
1299 (new_eh_context): Likewise.
1300 (__sjthrow): Likewise.
1302 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
1304 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
1305 * i386.md (prologue_get_pc): Remove unused variable.
1307 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
1309 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
1311 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
1313 * Makefile.in (OBJS): Add graph.o
1314 (graph.o): New dependency list.
1315 * flags.h: Declare dump_for_graph and define graph_dump_types type.
1316 * print-rtl.c (dump_for_graph): Define new variable.
1317 (print_rtx): Rewrite to allow use in graph dumping functions.
1318 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
1319 finish_graph_dump_file.
1320 Define graph_dump_format.
1321 (compile_file): If graph dumping is enabled also clear these files.
1322 Finish graph dump files.
1323 (rest_of_compilation): Also dump graph information if enabled.
1324 (main): Recognize -dv to enabled VCG based graph dumping.
1325 * graph.c: New file. Graph dumping functions.
1327 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
1329 * configure.in: Look for <sys/stat.h>.
1330 * system.h: Include it before substitute S_ISREG definitions.
1332 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
1334 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
1335 * config/mips/iris6.h: Same.
1336 * config/mips/mips.md: Same.
1337 * config/mips/mips.c: Same; also add "-mabi=o64" option.
1338 * config/mips/mips.h: Same; also define ABI_O64.
1340 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1342 * configure.in: Use AC_PREREQ(2.12.1).
1344 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
1346 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
1347 * cpplib.c, gcc.c: Likewise.
1348 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
1350 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
1352 * local-alloc.c (local_alloc): Use malloc not alloca for
1353 reg_qty, reg_offset, ref_next_in_qty.
1355 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1357 * caller-save.c (insert_one_insn): Initialize the live_before and
1358 live_after register sets.
1362 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
1363 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
1364 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
1365 (fp_reg_names, assembler_dialect): New variables.
1366 (print_operand_address): Handle SUBREGs.
1367 (print_operand): Added 'o' case.
1368 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
1369 Name of FP registers depends on mode.
1370 (expand_block_move): Emit different code for SH4 hardware.
1371 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
1372 (from_compare): Likewise.
1373 (add_constant): New argument last_value. Changed all callers.
1374 (find_barrier): Don't try HImode load for FPUL_REG.
1375 (machine_dependent_reorg): Likewise.
1376 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
1377 (gen_far_branch): Emit a barrier after the new jump.
1378 (barrier_align): Don't trust instruction lengths before
1380 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
1381 Use auto-inc addressing for fp registers if doubles need to
1382 be loaded in two steps.
1383 Set sh_flag_remove_dead_before_cse.
1384 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
1385 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
1386 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
1387 Support for FIRST_XD_REG .. LAST_XD_REG.
1388 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
1389 (sh_expand_epilogue): Likewise.
1390 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
1391 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
1392 (arith_reg_operand): FPUL_REG is OK for SH4.
1393 (fp_arith_reg_operand, fp_extended_operand) New functions.
1394 (tertiary_reload_operand, fpscr_operand): Likewise.
1395 (commutative_float_operator, noncommutative_float_operator): Likewise.
1396 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
1397 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
1398 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
1399 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
1400 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
1401 (CONDITIONAL_REGISTER_USAGE): Likewise.
1402 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
1403 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
1404 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
1405 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
1406 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
1407 to -1 and sh_flag_remove_dead_before_cse to 1.
1408 (ASSEMBLER_DIALECT): Define to assembler_dialect.
1409 (assembler_dialect, fp_reg_names): Declare.
1410 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
1411 Hide names of registers that are not accessible.
1412 (CACHE_LOG): Take TARGET_CACHE32 into account.
1413 (LOOP_ALIGN): Take TARGET_HARWARD into account.
1414 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
1415 (FIRST_PSEUDO_REGISTER: Now 49.
1416 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
1417 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
1418 (HARD_REGNO_MODE_OK): Update.
1419 (enum reg_class): Add DF_REGS and FPSCR_REGS.
1420 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
1421 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
1422 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
1423 (NPARM_REGS): Eight floating point parameter registers on SH4.
1424 (BASE_RETURN_VALUE_REG): SH4 also passes double values
1425 in floating point registers.
1426 (GET_SH_ARG_CLASS) Likewise.
1427 Complex float types are also returned in float registers.
1428 (BASE_ARG_REG): Complex float types are also passes in float registers.
1429 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
1430 (LIBCALL_VALUE): Remove trailing semicolon.
1431 (ROUND_REG): Round when double precision value is passed in floating
1433 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
1434 passed on the stack.
1435 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
1436 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
1437 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
1438 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
1439 (MODE_DISP_OK_8): Not for SH4 DFmode.
1440 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
1441 Allow indexed addressing for PSImode after reload.
1442 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
1443 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
1444 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
1445 (DOUBLE_TYPE_SIZE): 64 for SH4.
1446 (RTX_COSTS): Add PLUS case.
1447 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
1448 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
1449 MAC_REGS, PR_REGS, DF_REGS.
1450 (REGISTER_NAMES): Use fp_reg_names.
1451 (enum processor_type): Add PROCESSOR_SH4.
1452 (sh_flag_remove_dead_before_cse): Declare.
1453 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
1454 (PREDICATE_CODES): Add binary_float_operator,
1455 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
1456 fpscr_operand, noncommutative_float_operator.
1457 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
1458 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
1459 * sh.md (attribute cpu): Add value sh4.
1460 (attrbutes fmovd, issues): Define.
1461 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
1462 (function units memory, int, mpy, fp): Make dependent on issue rate.
1463 (function units issue, single_issue, load_si, load): Define.
1464 (function units load_store, fdiv, gp_fpul): Define.
1465 (attribute hit_stack): Provide proper default.
1466 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
1467 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
1468 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
1469 (mulsi3_call): Now uses match_operand for function address.
1470 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
1472 (push, pop, push_e, pop_e): Now define_expands.
1473 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
1474 (movsi_ie): Added y/i alternative.
1475 (ic_invalidate_line_i, movdf_i4): New insns.
1476 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
1477 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
1478 (movdf): Add special code for SH4.
1479 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
1480 (call_valuei, calli, call_value): Likewise.
1481 (movsf): Emit no-op move.
1482 (mov_nop, movsi_y): New insns.
1483 (blt, sge): generalize to handle DFmode.
1484 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
1485 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
1486 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
1487 (fpu_switch0, fpu_switch1, movpsi): New expanders.
1488 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
1489 (toggle_sz): New insn.
1490 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
1491 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
1492 (macsf3): Make use of fpscr visible. Disable for SH4.
1493 (floatsisf2): Make use of fpscr visible.
1494 (floatsisf2_i4): New insn.
1495 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
1496 (ieee_ccmpeqsf_t): Likewise.
1497 (fix_truncsfsi2): Emit different code for SH4.
1498 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
1499 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
1500 (negsf2, sqrtsf2, abssf2): Now expanders.
1501 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
1502 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
1503 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
1504 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
1505 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
1506 (fix_truncdfsi2_i4_2+1): New splitters.
1507 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
1508 (extendsfdf2, truncdfsf2): New expanders.
1509 (truncdfsf2_i4): New insn.
1510 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
1511 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
1512 * float-sh.h: When testing for __SH3E__, also test for
1513 __SH4_SINGLE_ONLY__ .
1514 * va-sh.h (__va_freg): Define to float.
1515 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
1516 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
1517 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
1518 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
1520 (TARGET_SH4_P): Define.
1523 * sh.md (movdf_k, movsf_i): Tweak the condition so that
1524 init_expr_once is satisfied about the existence of load / store insns.
1526 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
1527 change m constraint in source operand to mr / mf .
1529 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
1531 * (__VA_REEF): Define.
1532 (__va_arg_sh1): Use it.
1534 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
1536 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
1538 * i386/dgux.c (struct option): Add new "description field".
1539 * m88k/m88k.c (struct option): Likewise.
1541 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
1543 * version.c: Bump for snapshot.
1545 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1547 * regmove.c (regmove_profitable_p): Use return value of find_matches
1550 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
1552 * version.c: Bump for snapshot.
1554 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
1556 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
1557 without reload having been called earlier.
1559 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
1561 (v850_reorg): Similarly.
1563 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
1565 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1567 * loop.c (move_movables): Start of libcall might be new loop start.
1569 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1571 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
1573 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1575 * function.c (nonlocal_goto_handler_slots): Renamed from
1576 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
1577 (push_function_context_to): Adjust for this change.
1578 (pop_function_context_from): Likewise.
1579 (init_function_start): Likewise.
1580 (expand_function_end): Likewise.
1581 * function.h (struct function): Likewise.
1582 * calls.c (expand_call): Likewise.
1583 * explow.c (allocate_dynamic_stack_space): Likewise.
1584 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
1585 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
1587 (expand_goto): When doing a nonlocal goto, find corresponding handler
1588 slot for it. Don't put the label address in the static chain register.
1589 (expand_end_bindings): Break out nonlocal goto handling code into
1590 three new functions.
1591 (expand_nl_handler_label, expand_nl_goto_receiver,
1592 expand_nl_goto_receivers): New static functions, broken out of
1593 expand_end_bindings and adapted to create one handler per nonlocal
1595 * function.c (delete_handlers): Delete insn if it references any of
1596 the nonlocal goto handler slots.
1597 * i960.md (nonlocal_goto): Comment out code that modifies
1599 * sparc.md (nonlocal_goto): Likewise.
1600 (goto_handler_and_restore_v9): Comment out.
1601 (goto_handler_and_restore_v9_sp64): Comment out.
1603 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1605 * expr.c (STACK_BYTES): Delete unused macro.
1606 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
1607 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1608 (expand_call): Likewise.
1609 (emit_library_call): Likewise.
1610 (emit_library_call_value): Likewise.
1611 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
1612 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1613 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
1614 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1615 (allocate_dynamic_stack_space): Likewise.
1616 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
1617 (STACK_BOUNDARY): Update description to reflect the new situation.
1619 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
1621 * reorg.c (relax_delay_slots): When optimizing for code size, if a
1622 return with a filled delay slot is followed by a return with an
1623 unfilled delay slot, delete the first return and reemit the insn
1624 that was previously in its delay slot.
1626 * i860.c (single_insn_src_p): Add missing parens.
1627 * ginclude/math-3300.h: Likewise.
1629 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
1631 * regclass.c (init_reg_sets_1): Add prototype.
1632 (init_reg_modes): Likewise.
1634 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
1636 * c-common.c: Change warning messages to say `comparison is
1637 always true' or `comparison is always false' instead of the
1638 confusing `is always 0', `is always 1'.
1640 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
1642 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
1643 break instead of return (which loses closing '>').
1645 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
1647 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
1648 standard 387 constants.
1650 * i386.md (jump): Explicitly set "memory" attribute.
1651 (indirect_jump, prologue_set_stack_ptr): Likewise.
1652 (prologue_get_pc_and_set_got, pop): Likewise.
1653 (allocate_stack_worder, blockage, return_internal): Likewise.
1654 (return_pop_internal, nop): Likewise.
1655 (epilogue_set_stack_ptr, leave): Likewise.
1657 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
1659 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
1661 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1663 * reload1.c (reload_reg_free_for_value_p):
1664 Early auto_inc reloads don't conflict with outputs.
1666 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1668 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
1669 Instead call AC_HEADER_SYS_WAIT.
1671 * collect2.c: Don't provide defaults for sys/wait.h macros.
1673 * protoize.c: Likewise. Also, don't include sys/wait.h.
1675 * system.h: Include sys/wait.h and provide macro defaults.
1677 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1679 * Makefile.in (mandir): Set to @mandir@.
1680 (man1dir): New variable to hold the former value of $(mandir).
1681 Replace all uses of $(mandir) by $(man1dir).
1683 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
1685 * reload.c (find_reloads_address_part): If have a CONST_INT, create
1686 a new one before passing it to force_const_mem.
1688 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
1689 find_reloads_address call.
1691 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1693 * expr.c (store_expr): Don't generate load-store pair
1694 if TEMP is identical (according to ==) with TARGET.
1696 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1698 * reload1.c (reload_reg_free_for_value_p): When considered reload
1699 has an output, matching inputs are not sufficient to avoid conflict.
1701 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
1703 * hash.h (hash_table_key): New type.
1704 (hash_entry): Change `string' field to generic `key'.
1705 (hash_table): Add `comp' and `hash' functions.
1706 (hash_table_init): Take them as input.
1707 (hash_table_init_n): Likewise.
1708 (hash_lookup): Modify for generic keys.
1709 (hash_newfunc): Likewise.
1710 (hash_traverse): Likewise.
1711 (string_hash): New function.
1712 (string_compare): Likewise.
1713 (string_copy): Likewise.
1714 * hash.c (hash_table_init_n): Modify for generic keys.
1715 (hash_table_init): Likewise.
1716 (hash_lookup): Likewise.
1717 (hash_newfunc): Likewise.
1718 (hash_traverse): Likewise.
1719 (string_hash): Split out from hash_lookup.
1720 (string_compare): New function.
1721 (string_copy): Split out from hash_lookup.
1722 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
1724 (symbol_hash_lookup): Likewise.
1725 (file_hash_newfunc): Likewise.
1726 (file_hash_lookup): Likewise.
1727 (demangled_hash_newfunc): Likewise.
1728 (demangled_hash_lookup): Likewise.
1729 (tlink_int): Likewise.
1730 (read_repo_file): Likewise.
1731 (recompile_files): Likewise.
1732 (demangle_new_symbols): Likewise.
1733 (scan_linker_output): Likewise.
1735 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1737 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
1739 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
1741 * rs6000.c (output_mi_thunk): Improve test for local branch.
1743 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1745 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
1747 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1749 * reload1.c (reload_reg_free_before_p): Delete.
1750 Changed all callers to use reload_reg_free_for_value_p instead.
1751 (reload_reg_free_for_value_p): Handle more reload types.
1752 A RELOAD_FOR_INPUT doesn't conflict with its
1753 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
1754 Add special case for OUT == const0_rtx.
1755 Added ignore_address_reloads argument. Changed all callers.
1757 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
1759 * toplev.c (compile_file): Don't pedwarn about undefined static
1760 functions just because we passed -Wunused.
1762 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1764 * function.c (purge_addressof_1): Unshare rtl created by
1767 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1769 * regmove.c (regmove_optimize): Don't do anything but
1770 optimize_reg_copy[123] when flag_regmove is not set.
1772 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
1774 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
1775 value in paradoxical SImode result, rather than truncating midpoint.
1777 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
1779 * alpha.c (reg_not_elim_operand): New.
1780 * alpha.h (PREDICATE_CODES): Add it.
1781 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
1782 for the multiplicand.
1784 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
1786 * rs6000.md (movsf): Remove explicit secondary-reload-like
1787 functionality. Only truncate SFmode store if in FPR.
1788 (movsf splitters): Combine const_double splitters.
1789 (movsf_hardfloat): Add GPR support.
1791 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
1793 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
1794 deprecate -mlive-g0 and -mbroken-saverestore.
1795 * t-splet (MULTILIB_OPTIONS): Likewise.
1797 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
1798 in a leaf function. Clarify total_size/extra_size relationship.
1800 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
1802 * i386/cygwin32.asm: Delete.
1803 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
1804 * i386/cygwin32.h: Delete.
1805 * i386/cygwin.h: New file, renamed from cygwin32.h.
1806 * i386/t-cygwin32: Delete.
1807 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
1808 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
1809 * i386/x-cygwin32: Delete.
1810 * i386/x-cygwin: New file, renamed from x-cygwin32.
1811 * i386/xm-cygwin32: Delete.
1812 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
1813 renamed cygwin_ funcs for path translations.
1814 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
1815 * i386/winnt.c: Remove "32" from comment about cygwin.
1816 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
1817 * rs6000/cygwin32.h: Delete.
1818 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
1819 -D__CYGWIN__ to CPP_PREDEFINES.
1820 * rs6000/x-cygwin32: Delete.
1821 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
1822 * rs6000/xm-cygwin32: Delete.
1823 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
1825 * configure.in: Check for cygwin* instead of cygwin32. Account
1826 for the rename of cygwin-related config files to lose the "32"s.
1827 * configure: Regenerate.
1829 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
1830 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
1832 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
1834 * Makefile.in (JAVAGC): New macro.
1835 * configure: Rebuilt.
1836 * configure.in: Recognize --enable-java-gc argument. Subst
1839 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1841 Handle equivalences that have been obscured by gcse:
1843 * reload1.c (reload): Handle equivalences set up in multiple places.
1844 * local-alloc.c (reg_equiv_init_insns): New variable.
1845 (no_equiv): New function.
1846 (update_equiv_regs): Handle equivalences set up in multiple places.
1847 Don't ignore an insn just because its destination is likely to be
1850 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
1852 * except.c (expand_eh_return): Readd force_operand call lost in
1855 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
1857 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
1859 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1861 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
1863 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1865 * regmove.c (regmove_optimize): Fix error in last change.
1867 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
1869 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
1870 offset in the .mask pseudo to compensate for frame pointer adjustments.
1871 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
1872 word swap arguments moved to/from FP registers.
1873 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
1875 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
1877 * version.c: Bump for snapshot.
1879 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
1881 * version.c: Bump for snapshot.
1883 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
1885 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
1886 times, then it can not be completely replaced.
1888 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
1890 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
1892 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1894 * gansidecl.h: Prepend a "G" to the macro wrapping this file
1895 (to distinguish it from the macro wrapping ansidecl.h.)
1896 Include libiberty's ansidecl.h. Remove all redundant definitions.
1897 Define the PROTO() style macros in terms of the PARAMS() ones.
1900 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
1901 __STDC__, when deciding whether to use ANSI variable args.
1902 (emit_library_call_value): Likewise.
1904 * cccp.c (error): Likewise.
1905 (warning): Likewise.
1906 (error_with_line): Likewise.
1907 (warning_with_line): Likewise.
1908 (pedwarn): Likewise.
1909 (pedwarn_with_line): Likewise.
1910 (pedwarn_with_file_and_line): Likewise.
1913 * cexp.y (error): Likewise.
1914 (pedwarn): Likewise.
1915 (warning): Likewise.
1917 * collect2.c (fatal_perror): Likewise.
1921 * combine.c (gen_rtx_combine): Likewise.
1923 * cpperror.c (cpp_message): Likewise.
1924 (cpp_fatal): Likewise.
1926 * cpplib.c (cpp_error): Likewise.
1927 (cpp_warning): Likewise.
1928 (cpp_pedwarn): Likewise.
1929 (cpp_error_with_line): Likewise.
1930 (cpp_warning_with_line): Likewise.
1931 (cpp_pedwarn_with_line): Likewise.
1932 (cpp_pedwarn_with_file_and_line): Likewise.
1934 * cpplib.h: Don't define PARAMS() macro.
1936 * demangle.h: Likewise.
1938 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
1939 when deciding whether to use ANSI variable args.
1941 * emit-rtl.c (gen_rtx): Likewise.
1942 (gen_rtvec): Likewise.
1944 * final.c (asm_fprintf): Likewise.
1946 * fix-header.c (cpp_message): Likewise.
1948 (cpp_fatal): Likewise.
1950 * gcc.c (concat): Likewise.
1954 * genattr.c (fatal): Likewise.
1956 * genattrtab.c (attr_rtx): Likewise.
1957 (attr_printf): Likewise.
1960 * gencodes.c (fatal): Likewise.
1962 * genconfig.c (fatal): Likewise.
1964 * genemit.c (fatal): Likewise.
1966 * genextract.c (fatal): Likewise.
1968 * genflags.c (fatal): Likewise.
1970 * genopinit.c (fatal): Likewise.
1972 * genoutput.c (fatal): Likewise.
1975 * genpeep.c (fatal): Likewise.
1977 * genrecog.c (fatal): Likewise.
1979 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
1980 deciding whether to declare `tree_node' and `rtx_def'.
1982 * hash.h: Don't define stuff we get from gansidecl.h.
1984 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
1985 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
1986 whether to use ANSI variable args.
1989 * prefix.c (concat): Likewise.
1993 * system.h: Likewise.
1995 * toplev.c (error_with_file_and_line): Likewise.
1996 (error_with_decl): Likewise.
1997 (error_for_asm): Likewise.
2000 (warning_with_file_and_line): Likewise.
2001 (warning_with_decl): Likewise.
2002 (warning_for_asm): Likewise.
2003 (warning): Likewise.
2004 (pedwarn): Likewise.
2005 (pedwarn_with_decl): Likewise.
2006 (pedwarn_with_file_and_line): Likewise.
2008 (really_sorry): Likewise.
2010 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2011 whether to declare `tree_node' and `rtx_def'.
2013 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
2014 deciding whether to use ANSI variable args.
2015 (build_nt): Likewise.
2016 (build_parse_node): Likewise.
2018 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
2020 * version.c: Bump for snapshot.
2022 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2024 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
2026 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2028 * collect2.c (main, case 'b'): Use else if.
2030 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2032 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
2033 Arrange to include gansidecl.h in {ht}config.h & tm.h just
2034 before the config/ directory headers.
2035 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
2036 gansidecl.h in the list of dependencies.
2038 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
2039 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
2040 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
2041 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
2042 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
2043 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
2046 * cccp.c: Don't include gansidecl.h.
2048 * collect2.c: Likewise.
2049 * config/c4x/c4x.c: Likewise.
2050 * config/v850/v850.h: Likewise.
2051 * cppalloc.c: Likewise.
2052 * cpperror.c: Likewise.
2053 * cppexp.c: Likewise.
2054 * cppfiles.c: Likewise.
2055 * cpphash.c: Likewise.
2056 * cpplib.c: Likewise.
2057 * cppmain.c: Likewise.
2058 * cppulp.c: Likewise.
2059 * demangle.h: Likewise.
2060 * doprint.c: Likewise.
2061 * dyn-string.c: Likewise.
2062 * eh-common.h: Likewise.
2063 * fix-header.c: Likewise.
2064 * frame.c: Likewise.
2067 * gen-protos.c: Likewise.
2068 * gencheck.c: Likewise.
2069 * halfpic.h: Likewise.
2071 * machmode.h: Likewise.
2072 * mbchar.c: Likewise.
2073 * prefix.c: Likewise.
2074 * protoize.c: Likewise.
2075 * recog.h: Likewise.
2077 * scan-decls.c: Likewise.
2079 * varray.h: Likewise.
2081 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
2083 * i386.md (call_value_pop): If we're not popping anything,
2084 defer to call_value.
2085 (call_pop): Likewise defer to call.
2087 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
2089 * function.c (purge_addressof): Clear purge_addressof_replacements
2090 only after processing the whole function.
2092 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
2094 * reload1.c (reload): If we can not perform a particular elimination
2095 when we thought we could earlier, then we must always iterate through
2096 the loop at least one more time.
2098 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
2100 * alpha.c (add_operand): Simplify the CONST_INT match.
2101 (sext_add_operand): Correct typo in comparison by using
2102 CONST_OK_FOR_LETTER_P.
2103 * alpha.md (s?addq): Use sext_add_operand to allow the negative
2104 constant alternatives to be generated.
2105 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
2106 small constants, since the hw instructions do.
2108 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2110 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
2111 previous insn to store directly into our reload register, make sure
2112 that if the source of the previous insn is a reload register, its
2113 spill_reg_store and spill_reg_stored_to values are cleared.
2115 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
2117 * rs6000.md (floatunssidf2_internal splitter): Use base register
2118 operand, not hard-coded SP.
2120 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2122 * jump.c (calculate_can_reach_end): Fix thinko.
2124 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
2126 * reorg.c (fill_simple_delay_slots): Fix typo.
2128 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
2130 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
2132 * i386.md (extendsidi2): Use # in the output template.
2133 (extendsidi splitters): New splitters.
2135 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
2137 * configure.in: Use unknown-elf.h as tm_file for arm-elf
2139 * configure: Regenerate.
2141 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2143 * jump.c (init_label_info, delete_barrier_successors,
2144 mark_all_labels, delete_unreferenced_labels,
2145 delete_noop_moves, calculate_can_reach_end): New functions broken
2146 out of jump_optimize.
2147 (jump_optimize): Use them.
2149 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2151 * except.c (expand_fixup_region_end): Make sure outer context labels
2152 are not issued in an inner context during cleanups.
2154 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
2156 * alpha.md (addsi3, subsi3): No new temporaries once cse is
2159 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
2161 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
2162 to expose this midpoint to CSE.
2164 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2166 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
2168 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2170 * configure.in: Bring over gcc2 change of Nov 19 1997.
2172 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
2174 * toplev.c (output_lang_identify): Make definition dependent on
2175 ASM_IDENTIFY_LANGUAGE.
2177 * print-rtl.c (spaces): Make static.
2179 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
2181 * extend.texi: Clarify proper uses for register clobbers in asms.
2183 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2185 * recog.h (enum op_type): Define.
2186 (constrain_operands): Adjust prototype.
2187 (recog_op_type): Declare new variable.
2188 * recog.c (recog_op_type): New variable.
2189 (insn_invalid_p): Allow modifying an asm statement after reload.
2190 (extract_insn): Set up recog_op_type.
2191 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2192 Don't compute operand types, use recog_op_type.
2193 Use the information computed by extract_insn instead of the previous
2194 method of finding it by insn code number.
2195 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2196 * reorg.c (fill_slots_from_thread): Likewise.
2197 * reload1.c (reload_as_needed): Likewise.
2198 (gen_reload): Likewise.
2199 (inc_for_reload): Likewise.
2200 (reload_cse_simplify_operands): Likewise.
2201 Use the information computed by extract_insn instead of the previous
2202 method of finding it by insn code number.
2203 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
2205 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
2206 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
2207 Use the information computed by extract_insn instead of the previous
2208 method of finding it by insn code number.
2209 * regmove.c (find_matches): Likewise. Change meaning of the return
2210 value to be nonzero if the optimization can be performed, zero if
2211 not. All callers changed.
2212 Shorten some variable names to fix formatting problems.
2213 (regmove_optimize): Shorten some variable names to fix formatting
2215 Use the information computed by extract_insn instead of the previous
2216 method of finding it by insn code number.
2217 * regclass.c (scan_one_insn): Likewise.
2218 (record_reg_classes): Don't compute operand types, use recog_op_type.
2219 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
2220 recog_constraints instead.
2222 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
2224 * rtl.h (flow2_completed): Declare.
2225 * flow.c (flow2_completed): Definition.
2226 * toplev.c (rest_of_compilation): Set and clear flow2_completed
2229 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2231 * Makefile.in (libcpp.a): Ranlib libcpp.a
2233 * cppulp.c (user_label_prefix): Initialize.
2235 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
2237 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
2238 at a RETURN if current_function_sp_is_unchanging is set.
2240 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2242 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
2244 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
2246 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
2247 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
2248 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
2249 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
2250 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
2251 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
2253 (LIB_SPEC): Handle -mno-cyginw option.
2254 (LINK_SPEC): Handle -mdll.
2256 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2258 * reload.c (find_reloads): Fix test for usage by other reload
2259 to handle secondary reloads properly.
2261 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2263 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
2264 intermediate structure which has exactly the members provided by
2265 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
2266 static intermediate structure.
2268 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
2269 from the intermediate structure. Do the same analogous fix in
2270 the case where ELIMINABLE_REGS is not defined.
2272 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
2274 * pa.h (SELECT_SECTION): Fix thinko.
2276 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
2278 * dwarf2out.c (output_call_frame_info): Comments on last change.
2280 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
2282 * arm.c (add_constant): When taking the address of an item in the
2283 pool, get the mode of the item addressed.
2285 * arm.c (final_prescan_insn case INSN): If an insn doesn't
2286 contain a SET or a PARALLEL, don't consider it for conditional
2289 Restore ABI compatibility for NetBSD.
2290 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
2292 (RETURN_IN_MEMORY): Likewise.
2294 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
2296 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
2297 (m32r_output_block_move): Rewrite bytes < 4 handling.
2299 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2301 * configure.in: Call AC_FUNC_VFORK.
2303 * collect2.c: Define VFORK_STRING as a printable string for
2304 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
2305 defined, include vfork.h. If VMS is defined, define vfork()
2306 appropriately. Remove vfork check on USG, we're using autoconf.
2307 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
2308 checking locally what string to pass.
2309 (scan_prog_file): Likewise.
2310 (scan_libraries): Likewise.
2312 * gcc.c: Remove vfork check on USG, we're using autoconf.
2313 Besides, no calls to vfork/fork occur in this file.
2315 * protoize.c: Likewise.
2317 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2319 * configure.in (DEFAULT_LINKER): renamed from LD
2320 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
2321 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
2322 * configure: rebuilt
2324 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2326 * BUGS: fix the regexp for `more' to find the appropriate node.
2327 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
2329 * BUGS: added link to the WWW FAQ
2331 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
2333 * version.c: Bump for snapshot.
2335 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
2337 * From Christian Gafton:
2338 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
2339 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
2340 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
2342 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
2344 * c-common.c (c_get_alias_set): Allow all type-punning through
2345 unions. Don't get confused about the type of a bit-field, despite
2346 the antics of build_modify_expr.
2348 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
2350 * fixinc.sco: Paramaterize #include_next values.
2351 * fixinc/fixinc.sco: Likewise.
2353 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
2355 * toplev.c (rest_of_compilation): No longer set reload_completed.
2356 * reload1.c (reload): Set it here. Perform instruction splitting
2357 after reload has completed if we will be running the scheduler
2360 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
2362 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
2363 EH region if exceptions are enabled and we're performing cross
2365 (find_cross_jump): Exit loop if the insns are in different EH regions.
2367 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
2369 * dwarf2out.c (output_call_frame_info): Use
2370 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
2372 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2374 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
2375 * c-common.c (check_format_info): Don't check for the 'x'
2376 format character twice, instead check for 'x' and 'X'
2378 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
2380 * configure.in (assembler features): Also make gas is configured if
2381 we find it in the souce tree.
2383 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
2385 * i386.c (i386_comp_type_attributes): Compare whether the
2386 attributes are defined, not their tree nodes.
2388 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2390 * configure.in (gxx_include_dir): bitten by autoconf quoting
2392 * configure: rebuilt
2394 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2396 * configure.in: Ignore non-absolute value in $AS.
2398 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
2400 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
2402 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
2404 * configure.in (msdosdjgpp): Set exeext and target_alias.
2406 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2408 * flow.c (XNMALLOC): New macro.
2409 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
2411 (add_edge, add_edge_to_label): New static functions.
2412 (free_bb_memory): New function.
2413 (flow_delete_insn): Delete function.
2414 (basic_block_drops_in): Delete variable.
2415 (find_basic_blocks): Allocate and initialize basic_block_head,
2416 basic_block_succ. Don't allocate basic_block_drops_in.
2417 Call free_bb_memory at the beginning.
2418 (find_basic_blocks_1): Don't do multiple passes.
2419 Delete code to compute basic_block_drops_in.
2420 After calling make_edges, mark blocks reached by current block live.
2421 Update test for unreachable live blocks.
2422 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
2424 Simplify to call add_edge_to_label when a LABEL_REF is found.
2425 (make_edges): Simplify to call add_edge_to_label instead of
2426 mark_label_ref most of the time.
2427 Compute here whether control drops into the next block.
2428 (delete_unreachable_blocks): Return void. All callers changed.
2429 Delete unreachable blocks in reverse order.
2430 After deleting all unreachable blocks, renumber the remaining ones
2431 and update n_basic_blocks.
2432 (delete_block): Speed up deletion a bit.
2433 Don't set basic_block_drops_in for deleted blocks.
2434 (free_basic_block_vars): Don't free basic_block_drops_in.
2435 (life_analysis_1): Update to use new edge representation.
2436 (dump_flow_info): Delete code to print basic block info; call
2437 dump_bb_data instead.
2438 (compute_preds_succs): Delete code to recompute basic_block_drops_in
2439 and uid_block_number.
2440 Simply copy the previously computed cfg.
2441 (dump_bb_data): New arg LIVE_INFO. All callers changed.
2442 Print register lifetime information if LIVE_INFO is nonzero.
2443 * basic-block.h (dump_bb_data): Adjust prototype.
2444 * gcse.c (gcse_main): Update call to dump_bb_data.
2445 * rtl.h (free_bb_memory): Declare.
2446 * toplev.c (rest_of_compilation): Call free_bb_memory.
2448 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
2449 (update_eliminable_offsets): Don't compute it.
2450 (set_initial_elim_offsets): Don't initialize it.
2451 Break out some code into set_initial_label_offsets so the rest of
2452 this function can be called from reload_as_needed.
2453 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
2454 ELIMINABLE_REGS isn't.
2455 (set_initial_label_offsets): New function, broken out of
2456 set_initial_elim_offsets.
2457 (set_offsets_for_label): New function, broken out of set_label_offsets
2458 and reload_as_needed.
2459 (reload): Call the two new functions.
2460 (reload_as_needed): Call set_initial_elim_offsets instead of
2461 duplicating the code. Likewise for set_offsets_for_label.
2463 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
2464 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
2465 any hard reg, reg_reloaded_dead contains valid data.
2467 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
2469 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
2470 "stdcall" and "cdecl" attributes.
2472 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
2474 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
2475 handle deleted no-op moves of hard registers.
2476 * haifa-sched.c (update_flow_info): Likewise.
2478 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
2480 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
2481 of the sequences to reload the HILO register which do not actually
2484 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
2486 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
2488 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2490 * except.c (emit_eh_context): Make the EH context register stay alive
2491 at -O0 so stupid.c doesn't get confused.
2493 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2495 * emit-rtl.c (try_split): Do not try to split a BARRIER.
2497 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
2498 Jeffrey A Law (law@cygnus.com)
2500 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
2501 (zero_extendsidi2): Use # in output template and handle completely by
2503 (zero_extend splitters): New define_splits.
2504 (ashiftrt_32): New pattern.
2506 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2508 * tree.c (append_random_chars): New fn.
2509 (get_file_function_name_long): Use it.
2511 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
2513 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
2514 (LIBCPP_OBJS): New. Add cppulp.o.
2515 (cppmain, fix-header): Depend on and use libcpp.a.
2516 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
2517 of the individual object files.
2518 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
2521 * cccp.c (user_label_prefix): New.
2522 (main): Set it off -f*leading-underscore.
2523 (special_symbol): Use it.
2524 * cpplib.c (special_symbol): Likewise.
2525 (cpp_handle_option): Handle -f*leading-underscore.
2526 * cppulp.c: New file.
2528 * output.h (user_label_prefix): Declare it.
2529 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
2530 * toplev.c (f_options, main): Handle -f*leading-underscore.
2532 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
2533 referencing USER_LABEL_PREFIX directly.
2534 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
2535 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
2536 * final.c (asm_fprintf): Use user_label_prefix instead.
2537 * arm/thumb.c (thumb_print_operand): Likewise.
2539 * gcc.c (default_compilers): Pass -f*leading-underscore on to
2540 cpp wherever appropriate.
2542 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
2544 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
2545 specific compiler switches.
2547 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
2549 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
2552 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2554 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
2555 structure which has exactly the members provided by EXTRA_SPECS.
2556 Xmalloc() the real `extra_specs', and initialize it from this
2557 intermediate structure.
2559 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
2561 * mips.h (EXTRA_SPECS): Likewise.
2563 * sparc.h (EXTRA_SPECS): Likewise.
2565 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2567 * function.c (purge_addressof_1): Instead of aborting when a
2568 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
2569 work just put the ADDRESSOF on stack. Otherwise remember all such
2570 successfull replacements, so that exactly the same replacements
2571 can be made on the REG_NOTEs. Remove the special case for CALL
2573 (purge_addressof_replacements): New variable.
2574 (purge_addressof): Clear it at end.
2576 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2578 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
2579 (lang_init): Call check_newline always.
2580 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
2581 cpp_start_read, set yy_cur and yy_lim to read from
2582 parse_in.token_buffer, so that we'll see the first #line
2584 * cpplib.c (cpp_start_read): finclude the main input file
2585 before processing -include/-imacros. Process -imacros and
2586 -include separately, and handle -include by stacking a
2587 buffer for the file in question as if it'd been #included.
2588 * toplev.c (documented_lang_options) Recognize -H when
2591 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2593 * cpplib.c: Merge do_once into do_pragma. Break file handling
2594 code out of do_include.
2595 Move append_include_chain, deps_output,
2596 file_cleanup, redundant_include_p, import_hash,
2597 lookup_import, add_import, read_filename_string, read_name_map,
2598 open_include_file, finclude, safe_read to cppfiles.c.
2599 Move prototypes for deps_output, append_include_chain,
2600 finclude to cpplib.h. Move definition of struct
2601 file_name_list there also.
2603 * cppfiles.c: New file. Contains all the above functions
2604 broken out of cpplib.c; also hack_vms_include_specification
2605 from cccp.c and find_include_file, a new function broken out of
2608 * Makefile.in (cppmain): Depend on cppfiles.o.
2609 (fix-header): Likewise.
2610 (cppfiles.o): New target.
2611 * configure.in (--enable-c-cpplib): Add cppfiles.o to
2612 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
2614 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
2616 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
2617 if pending_types is non-zero.
2618 (dwarfout_finish): Verify pending_types is zero before finishing.
2620 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
2622 * expr.c (convert_move): Use shifts to perform the move if a
2623 suitable extend pattern cannot be found. Code written by
2624 Richard Henderson <rth@cygnus.com>.
2626 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2628 * regclass.c (renumber, regno_allocated): New static variables, moved
2629 out of allocate_reg_info.
2630 (allocate_reg_info): Move these two variables outside the function.
2631 Move code to free memory into new function free_reg_info.
2632 (free_reg_info): New function, broken out of allocate_reg_info.
2633 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
2634 * rtl.h (allocate_reg_info): Don't declare.
2635 (free_reg_info): Declare.
2637 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
2639 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
2641 * toplev.c (compile_file): Temporarily revert last change.
2643 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2645 * c-typeck.c (convert_for_assignment): Parenthesize.
2647 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2649 * reload1.c (delete_output_reload): Avoid ambigous else.
2651 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
2653 * toplev.c (compile_file): Call allocate_reg_info to free register
2655 * rtl.h (allocate_reg_info): Declare.
2657 * PROJECTS: Remove entry for local spilling.
2659 * final.c (cleanup_subreg_operands): New function.
2660 (final_scan_insn): Use it.
2661 (alter_subreg): Clear the "used" field when we turn a SUBREG into
2663 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
2664 operands when reload has finished.
2665 * reload.h (cleanup_subreg_operands): Declare..
2666 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
2667 reload. Handled in reload itself.
2669 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2671 * reload1.c (verify_initial_offsets): New function.
2672 (reload): Call it after reload_as_needed. Also verify that the frame
2673 size stays constant during reload_as_needed.
2674 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
2676 * reload.h (struct insn_chain): Add need_operand_change element.
2677 * reload1.c (new_insn_chain): Clear it.
2678 (calculate_needs_all_insns): Set it; don't overload need_reload.
2679 (reload_as_needed): Use it.
2681 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
2682 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
2683 and reload_address_index_reg_class.
2684 (find_reloads_address_1): Likewise.
2685 * reload.h (reload_address_base_reg_class,
2686 reload_address_index_reg_class): Don't declare.
2687 * reload1.c (reg_old_renumber, pseudo_previous_regs,
2688 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
2689 (used_spill_regs): Now static.
2690 (reload_address_base_reg_class, reload_address_index_reg_class,
2691 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
2692 basic_block_needs, max_needs, group_size, group_mode, max_groups,
2693 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
2696 (init_reload): Delete code to compute base/index reg classes.
2697 (reload): Delete variable J.
2698 Delete code to manage basic_block_needs.
2699 Don't compute regs_explicitly_used.
2700 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
2701 pseudo_previous_regs.
2702 Initialize bad_spill_regs_global.
2703 Don't call order_regs_for_reload here.
2704 Don't initialize spill_reg_order and n_spills.
2705 Don't forbid explicitly used regs to be used for spill regs.
2706 Change main loop to infinite loop, with explicit break statements.
2707 Make SOMETHING_CHANGED variable local to that loop.
2708 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
2709 max_groups_insn, max_nongroups_insn, group_size, group_mode.
2710 Make sure spilled_speudos is cleared before calling spill_hard_reg or
2712 Don't call dump_needs.
2713 Delete code to reset potential_reload_regs.
2714 Delete code to terminate loop conditional on the global needs variables
2715 showing no further needs.
2716 (calculate_needs_all_insns): Return void. All callers changed.
2717 Initialize somehing_needs_elimination here, not in reload.
2718 Delete avoid_return_reg kludge.
2719 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
2720 All callers changed.
2721 Initialize the group_mode and group_size elements of the arg CHAIN.
2722 Delete code to manage basic_block_needs.
2723 Operate on elements of CHAIN instead of global variables.
2724 Delete avoid_return_reg kludge.
2725 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
2726 All callers changed.
2727 Operate on elements of CHAIN instead of global variables.
2728 Delete special SMALL_REGISTER_CLASSES code.
2729 Delete spill_failure code; now in new_spill_reg.
2730 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
2731 All callers changed.
2732 Operate on elements of CHAIN instead of global variables.
2733 (maybe_mark_pseudo_spilled): New static function.
2734 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
2735 All callers changed.
2736 Operate on elements of CHAIN instead of global variables.
2737 Call order_regs_for_reload here, not in reload.
2738 Initialize spill_reg_order and n_spills.
2739 Simplify test whether an asm insn is involved.
2740 Delete spill_failure code; now in new_spill_reg.
2741 Call maybe_mark_pseudo_spilled for everything marked as live in
2742 CHAIN. Merge CHAIN's used_spill_regs into the global variable
2744 (dump_needs): Take CHAIN arg. No longer static, to prevent the
2745 compiler from optimizing this function (now unused) away.
2746 Operate on elements of CHAIN instead of global variables.
2747 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
2749 Operate on elements of CHAIN instead of global variables.
2750 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
2751 take CHAIN arg. All callers changed.
2752 Operate on elements of CHAIN instead of global variables.
2753 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
2754 CHAIN, NONGROUP args. Return void. All callers changed.
2755 Verify caller isn't trying to spill a pseudo.
2756 Simplify test for illegal reg, just use bad_spill_regs.
2757 Generate better error messages.
2758 Operate on elements of CHAIN instead of global variables.
2759 Mark spilled register in CHAIN's used_spill_regs element.
2760 Don't call spill_hard_reg.
2761 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
2762 Mark spilled hard regs in bad_spill_regs_global.
2763 Mark affected pseudos in spilled_pseudos, but don't spill them.
2764 (ior_hard_reg_set): New static function.
2765 (finish_spills): Return int. All callers changed.
2766 Compute spill_reg_order, n_spills and spill_regs here. Also update
2767 regs_ever_live for regs used as spills.
2768 For every pseudo in spilled_pseudos, spill it and mark the previous
2769 hard reg it had in pseudo_previous_regs. Compute which hard regs
2770 arseudo): New static function.
2771 (order_regs_for_reload): Take CHAIN arg. All callers changed.
2772 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
2773 hard registers explicitly used across the current insn into the set.
2774 Compute hard_reg_n_uses taking only pseudos live across this insn
2776 Tweak sorting of potential_reload_regs.
2777 (compare_spill_regs): Delete function.
2778 (reload_as_needed): Don't sort the spill_regs array, it's computed
2779 in proper order in finish_spills.
2780 Delete avoid_return_reg kludge.
2781 Delete code to manage basic_block_needs.
2782 (allocate_reload_reg): Minor speed/readability tweaks.
2783 Operate on elements of CHAIN instead of global variables.
2784 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
2785 Delete avoid_return_reg kludge.
2786 Initialize reload_reg_used from CHAIN's used_spill_regs element.
2787 Delete unused label FAIL.
2788 (reload_combine): Replce reload_address_index_reg_class with
2790 Don't use used_spill_regs to determine information about lifetime of
2793 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
2795 * toplev.c (display_help): Ignore empty target specific
2796 options, and if -W is also specified on the command line then
2797 display undocumented options.
2799 * config/arm/arm.c: Updated with changes in devo sources.
2800 * config/arm/arm.h: Updated with changes in devo sources.
2801 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
2802 * config/arm/lib1thumb.asm: Add ELF support.
2804 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
2806 * collect2.c (aix64_flag): New variable.
2807 (main, case 'b'): Parse it.
2808 (GCC_CHECK_HDR): object magic number must match mode.
2809 (scan_prog_file): Only check for shared object if valid header.
2810 Print debugging if header/mode mismatch.
2812 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
2814 Added support for arm-elf-linux configuration, submitted by Philip
2815 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
2816 code developed by Catherine Moore <clm@cygnus.com>. The following
2819 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
2822 * configure: Regenerated.
2824 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
2825 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
2826 definitions conditional on their not having been already defined.
2828 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
2829 and .type directives, and add "(PLT)" qualification to function
2832 * config/arm/linux.h: Deleted. This file is now superceeded by
2833 either linux-elf.h or linux-aout.h.
2835 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
2836 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
2838 Move definitions from old linux.h file here.
2840 * config/arm/elf.h: New file. Generic ARM/ELF support.
2842 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
2844 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
2846 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
2847 using the 26bit APCS.
2849 * config/arm/unknown-elf.h: New file. Support for OS'es other
2850 than Linux with ELF.
2852 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
2855 * config/arm/coff.h: Include aout.h for basic assembler macros.
2856 Add support for -mstructure_size_boundary=<n> command line option.
2858 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
2859 command line option. Make macro definitions conditional on their
2860 not having been already defined.
2862 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
2863 command line option.
2866 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
2868 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
2869 has been changed to not include a newline. Use this macro instead.
2870 (output_enumeral_list, const_value_attribute, name_attribute,
2871 comp_dir_attribute, prototyped_attribute, producer_attribute,
2872 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
2873 dwarfout_file_scope_decl, generate_new_sfname_entry,
2874 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
2875 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
2877 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
2879 * combine.c (subst): Process the inputs to a parallel asm_operands
2882 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
2884 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
2886 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
2888 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
2890 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
2892 * version.c: Bump for snapshot.
2894 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
2896 * stmt.c (expand_fixup): Set fixup->before_jump to a
2897 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
2899 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2901 * Makefile.in (recog.o): Depend on toplev.h.
2902 (insn-emit.o): Depend on recog.h.
2903 (insn-peep.o): Depend on recog.h and insn-config.h.
2905 * combine.c (simplify_set): Remove unused variable `scratches'.
2907 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
2908 and `idx' in macro conditional controlling their use.
2910 * genemit.c (main): Make the generated output file include
2911 recog.h. Don't have it declare `insn_operand_constraint', since
2912 we get it from recog.h.
2914 * genpeep.c (main): Make the generated output file include
2915 insn-config.h and recog.h.
2917 * recog.c: Include toplev.h.
2918 (extract_insn): Remove unused variable `p'.
2920 * regclass.c (fix_register): Add missing braces around initializer
2922 (allocate_reg_info): Move variable `i' into the scope where it is
2923 used. Change its type to `size_t'.
2925 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2927 * reload.c (push_reload): When merging reloads, make sure
2928 that reload_in_reg and reload_in are from the same reload in
2931 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
2933 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
2934 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
2936 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
2938 * loop.c (loop_has_tablejump): New variable.
2939 (prescan_loop): Scan for it.
2940 (insert_bct): Replace explicit scan with use of it.
2941 * regclass.c (regclass): Restore loop variable j.
2942 (record_reg_classes): Deterine op_types modifiers and initialize
2943 classes[i] before matching constraints. Handle matching
2946 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
2948 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
2951 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2953 * mips.h (EXTRA_SPECS): Add missing initializers.
2955 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2957 * sparc.h (EXTRA_SPECS): Add missing initializers.
2958 (sparc_defer_case_vector): Provide a prototype.
2960 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
2961 comparing it to the result of a pointer subtraction.
2963 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2965 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
2966 the argument to (unsigned char).
2968 * alpha.h (EXTRA_SPECS): Add missing initializers.
2969 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
2972 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
2974 * flow.c (life_analysis_1): Enable "rescan" code after reload.
2975 (propagate_block): Delete dead code after reload.
2977 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
2978 back Oct 15, 1998 change.
2979 * haifa-sched.c (update_flow_info): Likewise.
2980 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
2982 * mn10200.md (truncated shift): Accept constant inputs too.
2984 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
2986 * machmode.h (mode_mask_array): No longer const.
2987 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
2989 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2991 * frame.c: Somewhat explain `FDE'.
2992 Suggested by Brendan Kehoe
2994 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
2996 * expr.c (pending_chain): Move up.
2997 (save_expr_status): Do save pending_chain.
2998 (restore_expr_status): And restore it.
2999 * function.h (struct function): Add pending_chain.
3001 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3003 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
3004 did not match the code.
3006 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3008 * regclass.c (regclass): Break out some code into new function
3009 scan_one_insn, and into regclass_init.
3010 (init_cost): New static variable, moved out of regclass.
3011 (regclass_init): Initialize it here, not in .
3012 (scan_one_insn): New static function, broken out of regclass.
3013 * recog.c (apply_change_group): Break out some code into new
3014 function insn_invalid_p.
3015 (insn_invalid_p): New static fn, broken out of apply_change_group.
3017 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
3019 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
3020 reg_reloaded_contents matches incremented pseudo.
3022 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
3024 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3026 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
3027 addressing modes with side effects. These are currently
3028 placeholders for the C4x target.
3030 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3032 * loop.c (express_from): Make sure that when generating a PLUS of
3033 a PLUS, any constant expression appears on the outermost PLUS.
3035 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
3037 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
3038 works if "$(srcdir)" != ".".
3040 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
3042 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
3043 existing SUBREG if we can, otherwise abort.
3045 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
3047 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
3048 `restrict' is applied to a non-pointer variable.
3050 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
3052 * invoke.texi: Document -flang-isoc9x.
3054 * Makefile.in (OBJS): Add splay-tree.o.
3055 (c-common.o): Depend on rtl.h.
3056 (splay-tree.o): List dependencies and provide build rule.
3058 * rtl.h (record_alias_subset): New function.
3059 * alias.c: Include splay-tree.h.
3060 (alias_set_entry): New type.
3061 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
3062 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
3063 (mems_in_disjoin_alias_sets_p): New function.
3064 (alias_set_compare): Likewise.
3065 (insert_subset_children): Likewise.
3066 (get_alias_set_entry): Likewise.
3068 * tree.h (TYPE_RESTRICT): New macro.
3069 (TYPE_UNQUALIFIED): New manifest constant.
3070 (TYPE_QUAL_CONST): Likewise
3071 (TYPE_QUAL_VOLATILE): Likewise.
3072 (TYPE_QUAL_RESTRICT): Likewise.
3073 (tree_type): Add restrict_flag. Reduce count of free bits.
3074 (DECL_POINTER_ALIAS_SET): New macro.
3075 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
3076 (tree_decl): Add pointer_alias_set.
3077 (build_qualified_type): New function.
3078 (build_type_variant): Define in terms of build_qualified_type.
3079 * tree.c (set_type_quals): New function.
3080 (make_node): Initializae DECL_POINTER_ALIAS_SET.
3081 (build_type_attribute_variant): Use build_qualified_type and
3083 (build_type_variant): Rename, and modify, to become...
3084 (build_qualified_type): New function.
3085 (build_complex_type): Use set_type_quals.
3087 * c-tree.h (C_TYPE_OBJECT_P): New macro.
3088 (C_TYPE_FUNCTION_P): Likewise.
3089 (C_TYPE_INCOMPLETE_P): Likewise.
3090 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
3091 (c_apply_type_quals_to_decl): New function.
3092 (c_build_qualified_type): New function.
3093 (c_build_type_variant): Define in terms of c_build_qualified_type.
3094 (flag_isoc9x): Declare.
3095 * c-typeck.c (qualify_type): Use c_build_qualified_type.
3096 (common_type): Change to use TYPE_QUALS.
3097 (comptypes): Likewise.
3098 (convert_for_assignment): Likewise.
3099 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
3100 * c-decl.c (flag_isoc9x): Define.
3101 (c_decode_option): Handle -flang-isoc9x.
3102 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
3103 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
3104 * c-lex.c (init_lex): Deal with restrict.
3105 (init_lex): Don't treat restrict as a reserved word in
3106 -traditional mode, or without -flang-isoc9x.
3107 * c-lex.h (rid): Add RID_RESTRICT.
3108 * c-parse.gperf (restrict, __restrict, __restrict__): Make
3109 equivalent to RID_RESTRICT.
3110 * c-parse.in (TYPE_QUAL): Update comment.
3111 * c-common.c: Include rtl.h.
3112 (c_find_base_decl): New function.
3113 (c_build_type_variant): Rename, and modify, to become ...
3114 (c_build_qualified_type): New function.
3115 (c_apply_type_quals_to_decl): Likewise.
3116 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
3117 a particular alias set for the reference.
3118 * toplev.c (documented_lang_options): Add -flang-isoc9x.
3120 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
3122 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
3123 command line switches.
3125 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
3127 * reload.c (loc_mentioned_in_p): Add missing braces to bind
3130 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
3132 * gcc.c (option_map): Added --classpath and --CLASSPATH.
3134 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
3136 * regclass.c (fix_register): Add error message.
3137 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
3140 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3142 * c-decl.c (warn_missing_noreturn): New global variable.
3143 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
3144 (finish_function): Implement missing noreturn warning.
3146 * c-tree.h (warn_missing_noreturn): Declare extern.
3148 * invoke.texi: Document new flags.
3150 * toplev.c (documented_lang_options): Add description.
3152 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3154 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
3155 loop optimization stable for the C4x.
3156 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
3157 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
3158 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
3160 (c4x_address_conflict): Be more paranoid when packing a volatile
3161 memref in a parallel load/store.
3163 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3165 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
3166 repeat_block_filler): Deleted.
3167 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
3168 Condition code not set if destination register from 'c' class.
3169 (*subbqi3_carry_clobber): Fix typo.
3171 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3173 * reorg.c (steal_delay_list_from_target) Check for insns that
3174 modify the condition codes and effect the direction of the jump
3177 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3179 * function.c (purge_addressof_1): Replace call to
3180 emit_insns_before() with emit_insn_before().
3182 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
3184 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
3186 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3188 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3190 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3192 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3193 clobbered across calls.
3195 * loop.c (scan_loop): Be more selective about what invariants are
3196 moved out of a loop.
3198 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
3200 * version.c: Bump for snapshot.
3202 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3204 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
3205 static eh_context structure.
3207 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3209 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
3211 (try_combine): Don't update max_scratch.
3212 * flow.c (max_scratch, num_scratch): Delete variables.
3213 (life_analysis_1): Don't initialize max_scratch.
3214 (propagate_block): Don't update max_scratch.
3215 (mark_set_1): Don't increment num_scratch.
3216 * regs.h (max_scratch): Delete declaration.
3218 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
3220 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
3221 is nonzero. This is temporary!
3223 * sched.c (update_flow_info): Handle death notes made invalid by
3224 instruction splitting. Partially reverts Oct 15, 1998 patch.
3225 * haifa-sched.c (update_flow_info): Likewise.
3227 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
3229 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
3230 if it has a nonzero DECL_INITIAL.
3232 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3234 * Makefile.in (flow.o): Depend on recog.h.
3236 * cpplib.h (directive_table): Add missing initializiers.
3237 (finclude): Change type of variable `bsize' to size_t.
3239 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
3241 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
3243 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
3244 `int' when comparing against one.
3245 (cpp_file_line_for_message): Mark parameter `pfile' with
3247 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
3249 * flow.c: Include recog.h.
3250 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
3252 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
3253 `f' with ATTRIBUTE_UNUSED.
3254 (reposition_prologue_and_epilogue_notes): Likewise.
3256 * genopinit.c (gen_insn): Cast argument of ctype functions to
3259 * haifa-sched.c: Include recog.h.
3260 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
3261 comparing against one.
3263 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
3265 * mips-tfile.c (parse_end): Cast the argument of ctype function to
3267 (parse_ent): Likewise.
3268 (parse_input): Likewise.
3270 * optabs.c (init_libfuncs): Likewise.
3272 * protoize.c (find_rightmost_formals_list): Likewise.
3274 * recog.h (const_double_operand): Fix typo in prototype.
3276 * tlink.c (scan_linker_output): Cast the argument of ctype
3277 function to `unsigned char'.
3279 * toplev.c (check_lang_option): Cast the result of `strlen' to
3280 `int' when comparing against one.
3282 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3284 * gcse.c (dump_cuid_table): Correct typo.
3286 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
3288 * toplev.c (display_help): Prepend '-m' to target specific
3290 (check_lang_option): Ignore text after end of first word of a
3291 language specific option.
3293 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3295 * reload1.c (reg_used_by_pseudo): New static variable.
3296 (choose_reload_regs): Initialize it.
3297 Use it instead of testing spill_reg_order to determine whether a
3298 pseudo is live in a hard register across the current insn.
3299 Fix a typo in a reference to reload_reg_rtx.
3301 * flow.c (propagate_block): Replace code that computes and uses
3302 regs_sometimes_live with simpler code that just walks the set of
3303 currently live registers.
3305 * Makefile.in (insn-extract.o): Fix dependencies.
3306 * genextract.c (main): Generate includes for insn-config.h and
3308 Delete generation of declarations which are now in recog.h.
3309 * genrecog.c (main): Delete generation of definitions which are
3311 * local-alloc.c (block_alloc): Use extract_insn and the variables
3312 it sets up instead of looking up values by insn_code.
3313 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
3314 recog_dup_num): Define here instead of generating the definition in
3316 (recog_n_operands, recog_n_dups, recog_n_alternatives,
3317 recog_operand_mode, recog_constraints, recog_operand_address_p):
3319 (extract_insn): New function.
3320 * recog.h (extract_insn): Declare function.
3321 (which_alternative, recog_n_operands, recog_n_dups,
3322 recog_n_alternatives, recog_operand_mode, recog_constraints,
3323 recog_operand_address_p): Declare variables.
3324 * regclass.c (n_occurrences): New static function.
3325 * reload.c (n_occurrences): Delete function.
3326 (find_reloads): Use extract_insn.
3327 * reload.h (n_occurrences): Delete declaration.
3329 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
3331 * reload1.c (reload_as_needed): Fix test for when to call
3332 update_eliminable_offsets.
3334 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3336 Fix consistency problems with reg_equiv_{mem,address};
3337 Improve reload inheritance;
3339 * reload.c (reload_out_reg): New variable.
3340 (loc_mentioned_in_p, remove_address_replacements): New functions.
3341 (remove_replacements): Deleted.
3342 (push_reload): Set reload_out_reg[i].
3343 When merging, also set reload_{in,out}_reg[i], and remove
3344 duplicate address reloads.
3345 (combine_reloads): Copy reload_out_reg[i].
3346 (find_reloads): Do make_memloc substitution also when
3347 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3349 Include *recog_operand_loc in commutativity operand changes.
3350 Generate optional output reloads.
3351 Delete reference to n_memlocs. Don't set *recog_operand_loc before
3352 processing operands. Call make_memloc in reg_equiv_address code.
3353 Set *recog_operand_loc only after processing operands, and only
3354 if replace is true. Return a value.
3355 When changing address reload types for operands that didn't get
3356 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
3357 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
3358 Don't emit USEs for pseudo SUBREGs when not replacing.
3359 (find_reloads_address): Do make_memloc substitution also when
3360 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3362 (find_reloads_toplev): Likewise.
3363 Call make_memloc in reg_equiv_address code.
3364 (debug_reload_to_stream): Add code to output reload_out_reg.
3365 (make_memloc): Delete local variable i, ifdefed out code, and
3366 references to memlocs and n_memlocs.
3367 (memlocs, n_memlocs): Delete.
3368 (push_secondary_reload): Clear reload_out_reg.
3369 (find_reloads_address_1): Provide memrefloc argument to all calls
3370 to find_reloads_address.
3371 In AUTO_INC code, handle non-directly addressable equivalences properly.
3372 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
3373 (find_reloads): Add return type.
3374 (remove_address_replacements, deallocate_reload_reg): Declare.
3375 * reload1.c (num_not_at_initial_offset): No longer static.
3376 (delete_address_reloads, delete_address_reloads_1): Likewise.
3377 (deallocate_reload_reg): New function.
3378 (spill_reg_stored_to): New array.
3379 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
3380 (eliminate_regs_in_insn): Move assignments of previous_offset and
3381 max_offset fields, and recalculation of num_not_at_initial_offset
3382 into new static function:
3383 (update_eliminable_offsets) .
3384 (reload_as_needed): Call update_eliminable_offsetss after calling
3386 Call forget_old_reloads_1 with contents of reloaded auto_inc
3387 expressions if the actual addressing can't be changed to match the
3389 (choose_reload_regs): For inheritance, replace
3390 reload_reg_free_before_p test with reload_reg_used_at_all test, and
3391 remove stand-alone reload_reg_used_at_all test.
3392 Use reload_out_reg to determine which reload regs have output reloads.
3393 Treat reload_override_in more similar to inherited reloads.
3394 Handle (subreg (reg... for inheritance.
3395 For flag_expensive_optimizations, add an extra pass to remove
3396 unnecessary reloads from known working inheritance.
3397 Delete obsolete code for pseudos replaced with MEMs.
3398 Handle inheritance from auto_inc expressions.
3399 (emit_reload_insns): If reload_in is a MEM, set OLD to
3401 Don't reload directly from oldequiv; if it's a pseudo with a
3402 stack slot, use reload_in[j].
3403 Check that reload_in_reg[j] is a MEM before replacing reload_in
3404 from reg_reloaded_contents.
3405 Include non-spill registers in reload inheritance processing.
3406 Also try to use reload_out_reg to set spill_reg_store /
3407 reg_last_reload_reg.
3408 In code to set new_spill_reg_store, use single_set to find out if
3409 there is a single set.
3410 Add code that allows to delete optional output reloads.
3411 Add code to allow deletion of output reloads that use no spill reg.
3412 At the end, set reload_override_in to oldequiv.
3413 Also call delete_output_reload if reload_out_reg is equal to old
3415 Add code to call delete_output_reload for stores with no matching load.
3416 Set / use spill_reg_stored_to.
3417 Handle case where secondary output reload uses a temporary, but
3418 actual store isn't found.
3419 When looking for a store of a value not loaded in order to call
3420 delete_output_reload, count_occurences should return 0 for no
3421 loads; but discount inherited input reloadill_reg_stored_to.
3422 Do checks for extra uses of REG. Changed all
3424 Use delete_address_reloads.
3425 (reload): Take return value of find_reloads into account.
3426 If a no-op set needs more than one reload, delete it.
3427 (reload_reg_free_before_p): RELOAD_FOR_INPUT
3428 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
3429 for the same operand.
3430 (clear_reload_reg_in_use): Check for other reloads that keep a
3432 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
3433 RELOAD_FOR_OPADDR_ADDR.
3434 Take into account when an address address reload is only needed
3435 for the address reload we are considering.
3436 (count_occurrences): Use rtx_equal_p for MEMs.
3437 (inc_for_reload): Return instruction that stores into RELOADREG.
3438 New argument two, IN, and rtx. Changed all callers.
3439 (calculate_needs_all_insns, reload_as_needed):
3440 Don't clear after_call for a CLOBBER.
3441 Keep track of how many hard registers need to be copied from
3442 after_call, and don't clear after_call before we have seen
3443 that much copies, or we see a different instruction.
3445 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
3447 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
3448 after reload has completed.
3450 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
3452 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
3453 a macro name and the next token with a single blank if that whitespace
3454 is in a macro buffer and the next token is not '('.
3456 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
3458 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
3460 (skip_if_group): Ditto.
3461 (skip_to_end_of_comment): Ditto.
3463 (discard_comments): Ditto.
3464 (change_newlines): Ditto.
3466 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
3468 * c-lex.c (yylex): Fix unaligned access of wchar_t.
3470 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
3472 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
3473 (TARGET_OPTIONS): Add --help documentation.
3475 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3477 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
3479 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
3481 * fixinc/* Moved in from ../contrib directory in preparation
3482 for integrating it into the normal build process. In particular,
3483 fixinc/Makefile.in must be config-ed into the build directory
3484 as fixinc/Makefile. Proposed patches to ./Makefile.in and
3485 ./configure.in will be "in the mail" momentarily.
3487 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
3489 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
3490 accidently walk into the free list. Comment how that can happen.
3491 (invalidate): Fix indentation.
3493 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3494 Jeffrey A Law (law@cygnus.com)
3496 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
3497 reload. Never perform rescans of the insn chain after reload.
3498 (propagate_block): Do not delete insn or create new autoinc addressing
3501 * jump.c (jump_optimize): Unconditionally use the code that was
3502 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
3503 * reload1.c (reload): When reloading is finished, delete all
3504 REG_DEAD and REG_UNUSED notes.
3505 (emit_reload_insns): Delete all code that was conditional on
3506 PRESERVE_DEATH_INFO_REGNO_P.
3507 (no_longer_dead_regs): Delete variable.
3508 (reload_cse_delete_death_notes): Delete function.
3509 (reload_cse_no_longer_dead): Delete function.
3510 (reload_cse_regs_1): Delete all code to handle deletion of death
3512 (reload_cse_noop_set_p): Likewise.
3513 (reload_cse_simplify_set): Likewise.
3514 (reload_cse_simplify_operands): Likewise.
3515 (reload_cse_move2add): Likewise.
3516 * reorg.c (used_spill_regs): Delete declaration.
3517 (max_label_num_after_reload): Delete declaration.
3518 (find_dead_or_set_registers): Don't assume that spill regs are
3519 dead at a CODE_LABEL.
3520 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
3522 * sched.c (sched_analyze_insn): Likewise.
3523 (update_flow_info): Likewise.
3524 * haifa-sched.c (sched_analyze_insn): Likewise.
3525 (update_flow_info): Likewise.
3526 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
3527 * toplev.c (max_label_num_after_reload): Delete variable.
3528 (rest_of_compilation): Don't set max_label_num_after_reload.
3529 Call life_analysis after reload_cse_regs if optimizing.
3530 * config/gmicro/gmicro.h: Delete comment referring to
3531 PRESERVE_DEATH_INFO_REGNO_P.
3532 * config/i386/i386.h: Likewise.
3533 * config/m88k/m88k.h: Likewise.
3534 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
3535 * config/sh/sh.h: Likewise.
3537 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
3539 * loop.c (strength_reduce): Restore marking bct_p as
3541 * rs6000.c (optimization_options): Change #ifdef HAIFA to
3542 HAVE_decrement_and_branch_on_count.
3543 (small_data_operand): Remove TARGET_ELF condition for marking
3544 parameters ATTRIBUTE_UNUSED.
3546 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
3548 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
3549 (SELECT_SECTION): Resync with svr4.h.
3551 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
3553 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
3556 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
3558 * c-pragma.c (handle_pragma_token): Test for null tree before
3559 dereferencing TREE_CODE.
3561 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3563 * config/c4x/c4x.c: Convert to use GEN_INT.
3564 (c4x_parallel_process): Rework to handle new repeat loop structure.
3566 * config/c4x/c4x.md: Convert to use GEN_INT.
3567 (rptb_end): Convert to use GE test. Replace uses with clobbers.
3568 (decrement_and_branch_on_count): Likewise.
3570 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
3571 loop.c has the desired functionality.
3572 (rc_reg_operand): New prototype.
3574 * config/c4x/t-c4x: Can now build all front ends.
3576 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
3578 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
3580 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
3582 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
3583 * config/t-rtems: Do not install assert.h -- use newlib's.
3585 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3587 * combine.c (combine_instructions): When finished, call init_recog.
3588 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
3590 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
3592 * toplev.c: If flag_syntax_only, don't open or write assembler file.
3594 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3596 * cppalloc.c (memory_full): Mark function prototype with
3599 * demangle.h (collect_exit): Likewise.
3601 * fix-header.c (v_fatal, fatal): Likewise.
3603 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
3606 * gcov.c (print_usage): Likewise.
3608 * genattr.c (fatal, fancy_abort): Likewise.
3610 * genattrtab.c (fatal, fancy_abort): Likewise.
3612 * gencodes.c (fatal, fancy_abort): Likewise.
3614 * genconfig.c (fatal, fancy_abort): Likewise.
3616 * genemit.c (fatal, fancy_abort): Likewise.
3618 * genextract.c (fatal, fancy_abort): Likewise.
3620 * genflags.c (fatal, fancy_abort): Likewise.
3622 * genopinit.c (fatal, fancy_abort): Likewise.
3624 * genoutput.c (fatal, fancy_abort): Likewise.
3626 * genpeep.c (fatal, fancy_abort): Likewise.
3628 * genrecog.c (fatal, fancy_abort): Likewise.
3630 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
3631 __sjpopnthrow, __throw): Likewise.
3633 * objc/objc-act.c (objc_fatal): Likewise.
3635 * protoize.c (usage, aux_info_corrupted,
3636 declare_source_confusing): Likewise.
3638 * rtl.c (dump_and_abort): Likewise.
3640 * rtl.h (sets_cc0_p): Likewise.
3642 * toplev.c (float_signal, pipe_closed): Likewise.
3644 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3646 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
3647 when generating the decision tree for the general case.
3649 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
3650 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
3652 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3654 * Makefile.in (sched.o): Depend on recog.h.
3656 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
3657 (unsigned) when comparing against one.
3658 (find_base_value): Likewise.
3659 (record_base_value): Cast variable `regno' to (unsigned) when
3660 comparing against one. Cast the result of REGNO() macro to
3661 (unsigned) when comparing against one.
3662 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
3664 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
3665 variable where an unsigned index is needed.
3667 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
3668 before comparing against one.
3670 * collect2.c: Add prototypes for functions `error', `fatal' and
3671 `fatal_perror'. Make these functions take variable arguments
3672 instead of faking it with a fixed number of args.
3673 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
3676 * combine.c (can_combine_p): Mark parameter `pred' with
3678 (find_split_point): Cast variable `src' to (unsigned
3679 HOST_WIDE_INT) when comparing against one.
3680 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
3681 (simplify_logical): Likewise.
3682 (force_to_mode): Cast result of INTVAL() macro to (unsigned
3683 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
3684 HOST_WIDE_INT) in shift.
3685 (simplify_and_const_int): Cast result of INTVAL() macro to
3686 `unsigned HOST_WIDE_INT' when comparing against one.
3687 (merge_outer_ops): Cast variable const0 to `unsigned
3688 HOST_WIDE_INT' when comparing against the result of
3689 GET_MODE_MASK() macro.
3690 (simplify_comparison): Likewise for variable `c0'. Cast variable
3691 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
3692 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
3693 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
3694 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
3695 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
3696 comparing against one.
3697 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
3699 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
3700 macro to `unsigned HOST_WIDE_INT' when comparing against one.
3701 (output_block_move): Cast `sizeof' expression to (int) when
3702 comparing against one.
3703 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
3705 (save_restore_insns): Cast `base_offset' to `long' to match format
3706 specifier in fprintf.
3708 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
3709 to `enum machine_mode'.
3711 * flow.c (life_analysis_1): Remove unused variable `insn'.
3713 * gcc.c (translate_options): Move variables `j' and `k' into the
3714 scope in which they are used. Change their types to `size_t'.
3715 (set_spec): Cast the argument of ctype macro to `unsigned char'.
3716 (read_specs): Likewise.
3717 (process_command): Cast `sizeof' to (int) when comparing against one.
3718 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
3719 (handle_braces): Cast both sides of `==' expression to `long' to
3720 ensure sign matching.
3721 (main): Cast variable `i' to `int' when comparing against one.
3723 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
3724 int to size_t. Cast variable `i' to size_t when comparing against
3727 * genattrtab.c (convert_set_attr_alternative): Remove unused
3728 parameter `insn_code'. All callers changed.
3729 (convert_set_attr): Likewise.
3731 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
3732 size_t when comparing against one. Likewise for variable `len'.
3734 * global.c (global_alloc): Cast variable `max_regno' to size_t
3735 when comparing against one. Likewise for variable `max_allocno'.
3737 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
3739 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
3740 `set' with ATTRIBUTE_UNUSED.
3741 (find_free_reg): Cast `sizeof' expression to (int) when comparing
3744 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
3745 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
3746 (get_condition): Cast variable `const_val' to `unsigned
3747 HOST_WIDE_INT' when comparing against one. Cast unsigned
3748 expression to HOST_WIDE_INT when comparing against one.
3749 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
3750 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
3751 `unsigned' when comparing against one.
3753 * protoize.c (is_id_char): Change type of parameter `ch' to
3755 (munge_compile_params): Cast argument of ctype macro to (const
3757 (process_aux_info_file): Cast variable `aux_info_size' to int when
3758 comparing against one.
3759 (forward_to_next_token_char): Cast argument of ctype macro to
3760 `const unsigned char'.
3761 (edit_formals_lists): Likewise.
3762 (find_rightmost_formals_list): Likewise.
3763 (add_local_decl): Likewise.
3764 (add_global_decls): Likewise.
3765 (edit_fn_definition): Likewise.
3766 (do_cleaning): Likewise.
3767 (scan_for_missed_items): Likewise.
3768 (edit_file): Cast variable `orig_size' to (int) when comparing
3770 (main): Cast argument of ctype macro to `const unsigned char'.
3772 * recog.c (const_int_operand): Mark parameter `mode' with
3775 * regclass.c (record_reg_classes): Change type of variable `c' to
3776 `unsigned char'. Cast `char' array index to `unsigned char'.
3778 * reload.c (push_secondary_reload): Cast argument to
3779 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
3781 * reload1.c (calculate_needs): Cast `char' array index to
3783 (set_label_offsets): Change type of variable `i' to unsigned int.
3784 Cast result of XVECLEN() macro to unsigned when comparing against
3786 (mark_not_eliminable): Change type of variable `i' to unsigned.
3787 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
3788 when comparing against one.
3789 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
3790 comparing against one.
3791 (choose_reload_regs): Hide unused label `fail'.
3792 (reload_cse_simplify_operands): Cast `char' array index to
3794 (reload_combine_note_store): Mark parameter `set' with
3795 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
3797 (reload_cse_move2add): Remove unused variable `src2'.
3799 * sched.c: Include recog.h.
3800 (sched_note_set): Remove unused parameter `b'. All callers
3802 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
3803 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
3804 when comparing against one.
3806 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
3807 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
3808 comparing against one.
3810 * unroll.c (precondition_loop_p): Remove unused parameter
3811 `loop_end'. All callers changed.
3813 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3815 * reload1.c (maybe_fix_stack_asms): New static function.
3818 * reload.h (compute_use_by_pseudos): Declare.
3820 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
3821 (something_needs_reloads): Delete variable.
3822 (finish_spills): New function.
3823 (compute_use_by_pseudos): New function.
3825 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
3826 Use the reload_insn_chain instead of walking the rtl directly.
3828 (reload): Allocate and free spilled_pseudos.
3829 Ensure that all calls of spill_hard_reg are followed by a call to
3831 Use the insns_need_reload list instead of something_needs_reloads
3832 to find out if reload_as_needed must be called.
3833 Clear unused_insn_chains at the end.
3835 (calculate_needs_all_insns): Lose FIRST parameter. All callers
3837 Delete code to keep track of current basic block.
3838 Walk reload_insn_chain instead of the rtl structure. Build the
3839 insns_need_reload chain.
3840 Remember which insns need reloading/elimination by setting the
3841 appropriate fields in struct insn_chain, not by putting modes on the
3844 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
3845 arg INSN. All callers changed.
3846 Delete declaration of struct needs.
3847 Don't set something_needs_reloads.
3848 Record insn needs in the CHAIN argument.
3850 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
3852 (reload_as_needed): Lose FIRST arg. All callers changed.
3853 Walk the reload_insn_chain instead of the rtx structure.
3854 Delete code to keep track of current basic block.
3855 Rename one of the NEXT variables to OLD_NEXT.
3857 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
3859 (choose_reload_regs): Likewise.
3861 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
3864 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
3865 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
3866 (hard_regs_live, hard_regs_need_restore): Delete variables.
3867 (n_regs_saved): Now static.
3868 (referenced_regs, this_insn_sets): New variables.
3870 (setup_save_areas): Restructure the code a bit.
3872 (restore_referenced_regs): Delete function.
3873 (mark_referenced_regs): New function, similar to the old
3874 restore_referenced_regs, but mark registers in referenced_regs.
3876 (clear_reg_live): Delete function.
3877 (mark_set_regs): Renamed from set_reg_live. All callers changed.
3878 Only mark registers in this_insn_sets.
3880 (save_call_clobbered_regs): Rework this function to walk the
3881 reload_insn_chain instead of using the list of instructions directly.
3882 Delete code to keep track of register lives, compute live regs on the
3883 fly from information in the chain.
3884 Instead of calling restore_referenced_regs, use mark_referenced_regs,
3885 then walk the set it computes and call insert_restore as appropriate.
3887 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
3889 Restructure the code a bit. Test hard_regs_saved instead of
3890 hard_regs_need_restore.
3891 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
3892 args. All callers changed.
3893 Restructure the code a bit. Use TO_SAVE to determine which regs to
3894 save instead of more complicated test.
3895 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
3897 Create a new insn_chain structure for the new insn and place it
3900 * rtl.texi: Update documentation to reflect that reload no longer
3901 puts modes on the insns.
3903 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3905 * function.c (purge_addressof_1): Force the first argument of a
3906 CALL insn to memory.
3908 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
3910 * rtl.h: Delete duplicate prototypes. Add some missing
3912 * rtlanal.c: (for_each_rtx): Formatting tweak.
3914 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3916 * real.c (emdnorm and etoasc): Disable round to even for c4x target
3917 to be compatible with TI compiler.
3919 * Makefile.in (USER_H): Add va-c4x.h to definition.
3921 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
3923 * function.c (purge_addressof_1): Fix typo in inequality: do
3924 bitfield optimization for equal mode sizes.
3925 * expmed.c (store_bit_field): Don't take subregs of subregs in
3926 the movstrict case. Tidy a potential problem in the multi-word case.
3927 (extract_bit_field): Likewise.
3929 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3931 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
3933 Compute max_uid_for_flow by calling get_max_uid after the scan.
3934 (find_basic_blocks_1): Don't emit NOPs here.
3936 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
3938 * alias.c (base_alias_check): Accept new args for the modes of the
3939 two references. Use them to determine if an AND can overlap. Update
3941 (memrefs_conflict_p): Assume sizes are aligned, and uses them
3942 to determine if an AND can overlap.
3944 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
3946 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
3947 check. Add comment to document problems with TARGET_SUN_FPA version
3949 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
3951 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3953 * Makefile.in (gencheck.o): Depend on gansidecl.h.
3955 * c-common.c (print_char_table): Add missing initializers.
3956 (scan_char_table): Likewise.
3957 (time_char_table): Likewise.
3959 * c-decl.c (c_decode_option): Mark parameter `argc' with
3961 (declare_parm_level): Mark parameter `definition_flag' with
3964 * c-lex.c (readescape): Use `(unsigned)1' in shift.
3965 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
3968 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
3970 (emit_call_1): Mark parameters `fndecl' and `funtype' with
3972 (expand_call): Cast result of MIN() to (unsigned int) when
3973 comparing against an unsigned value.
3975 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
3977 (make_definition): Remove unused parameter `op'. All callers
3979 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
3980 comparing against the result of pointer arithmetic.
3982 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
3983 when comparing against one.
3985 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
3986 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
3988 (output_die): Move variable `i' into the scope in which it is
3989 used. Change its type to `unsigned'.
3990 (output_die): Cast the result of `strlen' to (int) when passing it
3991 to ASM_OUTPUT_ASCII().
3992 (output_pubnames): Likewise.
3993 (output_line_info): Likewise.
3995 * emit-rtl.c (global_rtl): Add missing initializers.
3997 * explow.c (promote_mode): Mark parameter `for_call' with
4000 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
4001 `unsigned HOST_WIDE_INT' when comparing against one.
4002 (synth_mult): Change type of variable `cost' to int.
4003 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
4005 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
4006 when comparing against one.
4007 (get_inner_reference): Change variable `alignment' to unsigned.
4008 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
4009 int) when comparing against one.
4010 (expand_builtin_setjmp): Change type of variable `i' to size_t.
4012 * fold-const.c (div_and_round_double): Cast BASE to
4013 (HOST_WIDE_INT) when comparing against one.
4015 * gencheck.c: Include gansidecl.h.
4016 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
4018 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
4019 `tcode' with ATTRIBUTE_UNUSED.
4021 * real.c (edivm): Cast constant value to (unsigned long) in
4022 expression compared against an unsigned value.
4024 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
4025 comparing against one.
4026 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
4027 when comparing against one.
4029 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
4030 (unsigned int) when comparing against one. Likewise for
4032 (smallest_mode_for_size): Likewise.
4033 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
4034 (restore_storage_status): Likewise.
4036 * toplev.c (debug_args): Add missing initializer.
4037 (f_options): Spelling correction. Add missing initializers.
4038 (documented_lang_options): Likewise.
4039 (debug_end_source_file): Mark parameter `lineno' with
4042 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
4043 `decl' and `type' with ATTRIBUTE_UNUSED.
4045 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
4046 when comparing against one.
4047 (assemble_variable): Mark parameter `top_level' with
4049 (assemble_external_libcall): Mark parameter `fun' with
4051 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
4054 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
4056 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
4057 Replace use of r5 with use of r19.
4059 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
4061 * config/v850/v850.c (compute_register_save_size): Allow for the
4062 fact that helper functions save all registers, not just those used
4065 Replace constant 31 with macro LINK_POINTER_REGNUM.
4067 * config/v850/v850.md: Use 'indirect_operand' rather than
4068 'memory_operand' for bit test/set/clear patterns.
4070 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
4072 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
4073 * varasm.c (assemble_start_function et al): Don't call
4074 ASM_GLOBALIZE_LABEL for weak symbols.
4076 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
4078 * cse.c (equiv_constant): Check for NULL return from
4079 gen_lowpart_if_possible().
4081 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
4083 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
4085 * collect2.c (main): Pass -EL/-EB through to the compiler.
4087 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4089 * expr.c (push_block): Handle targets where the stack grows
4090 to higher addresses, but args grow to lower addresses and
4091 ACCUMULATE_OUTGOING_ARGS is not defined.
4093 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
4095 * config/v850/v850.c (print_operand): Extend meaning
4096 of 'c' operands to support .vtinherit.
4098 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4100 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
4101 Added ATTRIBUTE_UNUSED to unused function arguments.
4102 (rc_reg_operand): New predicate.
4103 (c4x_rptb_insert): New function.
4104 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
4105 (c4x_optimization_options): New function.
4107 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
4108 (decrement_and_branch_on_count): New pattern.
4109 (rptb_top): Modified pattern to work with BCT optimization.
4111 * config/c4x/c4x.h (RC_REG): New register class.
4112 (rc_reg_operand): Define prototype.
4113 (IS_RC_REG): New macro.
4114 (IS_RC_OR_PSEUDO_REG): New macro.
4115 (IS_RC_OR_PSEUDO_REGNO): New macro.
4116 (OPTIMIZATION_OPTIONS): Define.
4118 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
4120 * collect2.c (extract_init_priority): No priority is 65535.
4122 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4124 * Makefile.in (build_tooldir): new variable, same as old
4125 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
4126 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
4127 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
4129 * configure.in (gxx_include_dir): set default based on unlibsubdir
4130 * Makefile.in (tooldir): ditto
4131 (cccp.o, cpplib.o): use unlibsubdir implicitly through
4132 gxx_include_dir, includedir and tooldir
4133 (protoize.o, unprotoize.o): ditto
4135 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
4137 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
4139 * config/arm/thumb.c (thumb_override_options): Add warning about
4140 PIC code not being supported just yet.
4142 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
4144 * flow.c: Update comment.
4145 (notice_stack_pointer_modification): New static function.
4146 (record_volatile_insns): Use it.
4147 (mark_regs_live_at_end): Mark the stack pointer as alive
4148 at the end of the function if current_function_sp_is_unchanging
4150 (life_analysis_1): Set current_function_sp_is_unchanging.
4151 * function.c: Define it.
4152 (init_function_start): Initialize it.
4153 * output.h: Declare it.
4154 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
4155 the stack pointer as alive at the end of the function if
4156 current_function_sp_is_unchanging is set.
4157 * i386.c (ix86_epilogue): Optimize the restoring
4158 of the stack pointer.
4160 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
4162 * version.c: Bump for snapshot.
4164 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
4166 * c-pragma.c (handle_pragma_token): If passed a token instead
4167 of a tree, use that as the pack value.
4169 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
4171 * flow.c (find_basic_blocks_1): Fix prototype.
4173 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
4175 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
4176 (struct tree_decl): New fields no_check_memory_usage.
4177 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
4178 (init_attributes): Register it as a new attribute.
4179 (decl_attributes): Set flags on functions given that attribute.
4180 * c-decl.c (duplicate_decls): Merge new attribute.
4181 * expr.h (current_function_check_memory_usage): Declare new var.
4182 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
4183 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
4184 current_function_check_memory_usage.
4185 * function.h: Add field to struct function.
4186 * function.c (current_function_check_memory_usage): Define it.
4187 (push_function_context_to, pop_function_context_from): Save and
4189 (expand_function_start): Set it, based on global flag and function
4192 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4193 check non-automatic variables, to permit detection of writes to
4194 read-only locations in embedded systems without memory management.
4195 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4196 when emitting chkr_set_right_libfunc call, even if the argument is
4197 BLKmode or variable-sized; don't abort.
4199 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
4200 symbols in Pmode, not VOIDmode.
4202 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4204 * cppexp.c: When forcing unsigned comparisons, cast both sides
4207 * cpphash.h: Move static declaration of hashtab[]...
4208 * cpphash.c: ...here.
4210 * cpplib.c: Cast difference of two pointers to size_t before
4211 comparing it to size_t. Cast signed to unsigned
4212 before comparing to size_t. (FIXME: struct argdata should use
4213 unsigned buffer sizes.)
4214 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
4215 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
4216 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
4217 size_t before comparison.
4219 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
4221 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
4222 (find_basic_blocks_1): Similarly.
4223 * output.h (find_basic_blocks): Fix prototype.
4224 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
4225 find_basic_blocks anymore.
4227 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
4229 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
4230 (sbitmap_free, sbitmap_vector_free): New macros.
4231 * output.h (rtl_dump_file): Declare.
4233 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
4235 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
4237 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4239 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
4241 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
4242 (divide): Remove unused variable `tmp'.
4243 (si_to_float): Cast numeric constant to (SItype) before comparing
4246 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
4248 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
4249 * gcc.c (add_preprocessor_option): Correct typo when allocating
4250 memory, sizeof() argument had one too many `*'.
4251 (add_assembler_option): Likewise.
4252 (add_linker_option): Likewise.
4253 * gcov.c (output_data): Likewise.
4254 * local-alloc.c (memref_used_between_p): Likewise.
4255 (update_equiv_regs): Likewise.
4256 * loop.c (strength_reduce): Likewise.
4257 * reg-stack.c (record_asm_reg_life): Likewise.
4258 (subst_asm_stack_reg): Likewise.
4259 * reorg.c (dbr_schedule): Likewise.
4261 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4263 * flow.c (life_analysis_1): Break out some functions.
4264 (find_basic_blocks_1): Likewise. Also move some variables out and
4266 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
4267 new static var nonlocal_label_list with it.
4268 (active_eh_region, nested_eh_region, label_value_list,
4269 nonlocal_label_list): New static variables.
4270 (make_edges, delete_unreachable_blocks, delete_block): New static
4271 functions, broken out of find_basic_blocks_1.
4272 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
4273 noop_move_p): New static functions, broken out of life_analysis_1.
4275 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
4277 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
4278 Take extra care for op0 now possibly being a subreg.
4279 (extract_bit_field): Likewise.
4280 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
4281 the reg to memory if there is no equal sized integral mode.
4282 * stor-layout.c (int_mode_for_mode): New function.
4283 * machmode.h: Prototype it.
4285 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
4287 * global.c (build_insn_chain): Verify no real insns exist past the
4288 end of the last basic block, then exit the loop.
4290 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4292 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
4294 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
4296 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
4298 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
4300 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
4302 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
4304 * flow.c (find_basic_blocks): Correctly determine when a call
4305 is within an exception region.
4307 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
4309 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
4311 * cpplib.h: Protect from multiple inclusions.
4312 * cpplib.c: Fix minor formatting problems.
4314 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
4316 * jump.c (jump_optimize): Revert accidental patch.
4318 * Makefile.in (cpplib.o): Use unlibsubdir.
4320 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
4322 * loop.c (get_condition): Allow combine when either compare is
4325 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
4327 * version.c: Bump for snapshot.
4329 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
4331 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
4332 (init_lex): Initialize ridpointers[RID_BYREF].
4333 * c-lex.h (enum rid): Add RID_BYREF.
4334 * c-parse.gperf: Add RID_BYREF as a type qualifier.
4335 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
4336 (encode_type_qualifiers): Similarly
4337 * c-gperf.h: Rebuilt.
4339 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
4341 * c-common.c (type_for_mode): Only return TItype nodes when
4342 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4343 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
4344 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4345 (init_decl_processing): Only create TItype nodes when
4346 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4347 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
4348 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4350 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4352 * stmt.c (n_occurrences): New static function.
4353 (expand_asm_operands): Verify that all constrains match in the
4354 number of alternatives.
4355 Verify that '+' or '=' are at the beginning of an output constraint.
4356 Don't allow '&' for input operands.
4357 Verify that '%' isn't written for the last operand.
4358 * reload.c (find_reloads): Abort if an asm is found with invalid
4359 constraints; all possible problems ought to be checked for earlier.
4361 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4363 * flags.h (flag_branch_on_count_reg): Always declare
4364 * toplev.c (flag_branch_on_count_reg): Likewise.
4365 * toplev.c: Fix typos.
4367 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
4370 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
4372 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
4374 (find_basic_blocks_1): Add a nop to the end of a basic block when
4375 a trailing call insn does not have abnormal control flow.
4376 * gcse.c (pre_transpout): New variable.
4377 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
4378 (compute_pre_transpout): Calculate it.
4379 (compute_pre_ppinout): Use it to eliminate impossible placements
4380 due to abnormal control flow through calls.
4381 (compute_pre_data): Call compute_pre_transpout.
4383 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4385 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
4387 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
4389 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
4390 and matching define_insns): Tack on a `use' of the table label, so
4391 flow analysis will recognize a tablejump.
4393 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
4395 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
4396 always end basic blocks for abnormal edge reasons.
4398 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
4400 * config/i386/i386.h: Remove definition of
4401 HANDLE_PRAGMA_PACK_PUSH_POP.
4403 * config/i386/go32.h: Add definition of
4404 HANDLE_PRAGMA_PACK_PUSH_POP.
4406 * config/i386/win32.h: Add definition of
4407 HANDLE_PRAGMA_PACK_PUSH_POP.
4409 * config/i386/cygwin32.h: Add definition of
4410 HANDLE_PRAGMA_PACK_PUSH_POP.
4412 * c-pragma.c (insert_pack_attributes): Do not insert
4413 attributes unless #pragma pack(push,<n>) is in effect.
4415 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
4417 * expr.c (emit_group_store): Handle a PARALLEL destination.
4419 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
4421 * gcse.c (pre_insert_insn): When a call ends a bb, insert
4422 the new insns before the argument regs are loaded.
4424 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4426 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
4427 (c-parse.gperf): Update comments describing invocation flags.
4428 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
4430 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
4432 * reload1.c (reload): Call free before clobbering the memory
4433 locations or constants pointers.
4435 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4437 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
4438 for efficiency by checking whether we need to modify the current
4439 stack permission at all.
4440 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
4441 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
4442 __enable_execute_stack libcall here too if
4443 TRANSFER_FROM_TRAMPOLINE is defined.
4444 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
4447 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
4449 * Makefile.in (DRIVER_DEFINES): Remove last change.
4451 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4453 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
4454 insns we're going to copy.
4455 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
4457 * loop.c (count_one_set): Add prototype.
4459 * caller-save.c (restore_referenced_regs): Lose mode argument.
4460 (insert_save): Lose mode argument.
4461 (insert_restore): Lose mode argument.
4462 (insert_one_insn): Lose mode argument.
4463 (save_call_clobbered_regs): Lose mode argument.
4464 (setup_save_areas): Take no argument and return void. All callers
4466 Don't verify validity of memory addresses.
4467 * reload.h (setup_save_ares): Adjust prototype.
4468 (save_call_clobbered_regs): Likewise.
4469 * reload1.c (delete_caller_save_insns): New function.
4470 (caller_save_spill_class): Delete variable.
4471 (caller_save_group_size): Delete variable.
4472 (reload): Call setup_save_areas and save_call_clobbered_regs
4473 in the main loop, before calling calculate_needs_all_insns.
4474 Don't call save_call_clobbered_regs after the loop.
4475 Call delete_caller_save_insns at the end of an iteration if
4477 Delete code to manage caller_save_spill_class.
4478 Emit the final note before setting reload_first_uid.
4479 Simplify test that determines whether reload_as_needed gets run.
4480 (calculate_needs): Delete code to manage caller_save_spill_class.
4482 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
4484 * collect2.c (main): Initialize ld_file_name.
4486 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
4488 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
4489 check for flag_function_sections.
4491 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4493 * cse.c (insert_regs): Fix bug in Sep 24 change.
4495 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4497 * flags.h (flag_dump_unnumbered): Declare.
4498 * toplev.c (flag_dump_unnumbered): Don't declare.
4499 * print-rtl.c (flags.h): Include.
4500 (print_rtl_single): Add return value.
4501 * rtl.h (print_rtl_single): Update declaration.
4502 * flow.c (flag_dump_unnumbered): Don't declare.
4503 (print_rtl_with_bb): Use return value of print_rtl_single.
4505 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4507 * loop.c (count_one_set): New static function, broken out of
4509 (count_loop_regs_set): Call it.
4510 * global.c (mark_reg_store): Handle clobbers here by not calling
4512 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
4513 is in fact a clobber.
4514 * integrate.c (process_reg_param): New function, broken out of
4515 expand_inline_function.
4516 (expand_inline_function): Call it.
4519 * i386.md (addsidi3_1): Delete unused variable temp.
4520 (addsidi3_2): Likewise.
4521 (clstrstrsi): Delete unused variable addr1.
4523 * rtl.h: Don't declare any functions also declared in recog.h.
4525 * Makefile.in (stupid.o): Update dependencies.
4526 (global.o): Likewise.
4528 * global.c: Include reload.h
4529 (reg_becomes_live): New function.
4530 (reg_dies): New function.
4531 (build_insn_chain): New function.
4532 (global_alloc): Call build_insn_chain before calling reload.
4534 * reload.h (struct needs): New structure definition.
4535 (struct insn_chain): Likewise.
4536 (reload_insn_chain): Declare variable.
4537 (new_insn_chain): Declare function.
4540 * reload1.c (reload_startobj): New variable.
4541 (reload_insn_chain): New variable.
4542 (unused_insn_chains): New variable.
4543 (new_insn_chain): New function.
4544 (init_reload): Initialize reload_startobj, not reload_firstobj.
4545 (reload): Initialize reload_firstobj.
4546 Before returning, free everything on the reload_obstack.
4548 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
4549 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
4550 current_chain): New variables.
4551 (reg_where_born): Delete variable.
4552 (REG_WHERE_BORN): New macro.
4553 (find_clobbered_regs): New function.
4554 (stupid_life_analysis): Don't allocate/free reg_where_born.
4555 Allocate and free reg_where_born_exact, reg_where_born_clobber,
4556 reg_where_dead_chain.
4557 Use REG_WHERE_BORN instead of reg_where_born.
4558 While processing the insns, build the reload_insn_chain with
4559 information about register lifetimes.
4560 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
4561 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
4563 Compute and information about birth and death of pseudo registers in
4564 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
4565 Delete code to set elements of reg_where_born.
4567 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4569 * tree.def (GOTO_EXPR): Modified documentation.
4570 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
4573 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
4575 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
4576 loop_final_value, loop_comparison_code): No longer static.
4577 (unroll_loop): Delete loop_start_value update.
4578 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
4579 loop_final_value, loop_comparison_code): Extern.
4580 (loop_start_value): Delete extern.
4581 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
4582 loop_comparison_value, loop_comparison_code): Delete.
4583 (loop_optimize): Remove initialization for deleted variables.
4584 (strength_reduce): Delete analyze_loop_iterations call. Only call
4585 insert_bct if flag_branch_count_on_reg set.
4586 (analyze_loop_iterations): Delete.
4587 (insert_bct): Remove iteration count calculation. Move checks for
4588 viable BCT optimization to here. Obtain iteration count from
4589 loop_iterations and correct for unrolling. Check for enough
4590 iteration to be beneficial. Comment out runtime iteration count
4592 (insert_bct): Print iteration count in dump file. Remove
4593 loop_var_mode and use word_mode directly.
4595 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
4596 * rs6000.c (rs6000_override_options): Use it.
4597 (optimization_options): Enable use of flag_branch_on_count_reg.
4598 * rs6000.md (define_function_unit): Describe 604e.
4600 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4602 * loop.c (move_movables): Corrected threshold calculation for
4603 moved_once registers.
4605 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4607 * loop.c (combine_givs_p): Fix test for identical givs.
4609 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
4611 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
4612 call abort if the function is already defined.
4614 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
4616 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
4617 truncation is not a no-op.
4619 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
4621 * version.c: Bump for snapshot.
4623 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
4625 * version.c: Bump for snapshot.
4627 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
4629 * expmed.c (expand_divmod): Don't widen for computing remainder
4630 if we seem to have a divmod pattern for needed mode.
4632 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4634 * cpplib.c (macroexpand): Correct off-by-one error in handling
4637 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
4639 * combine.c (expand_field_assignment): Don't do bitwise operations
4640 on MODE_FLOAT; pun to MODE_INT if possible.
4642 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
4643 scott snyder <snyder@d0sgif.fnal.gov>
4645 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
4646 linker. Recognize mangled names in quotes.
4648 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4650 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
4651 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
4652 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
4653 (lshrsi3_extend, lshrsi3_extend2): Ditto.
4655 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4657 * function.c (purge_addressof_1): If trying to take a sub-word
4658 integral piece of a floating point mode, put it on the stack.
4660 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
4662 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
4664 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
4666 * PROJECTS: Remove template friends.
4668 * collect2.c (sort_ids): Remove unused variable.
4670 * tm.texi (MATH_LIBRARY): Document.
4671 (NEED_MATH_LIBRARY): Remove.
4673 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
4674 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
4676 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
4678 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
4679 last_end to 0x7fffffff.
4681 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4683 * function.c (purge_addressof_1): Do not perform endianness
4684 corrections on bitpos, who we call will do it for us.
4686 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
4688 * h8300.c (WORD_REG_USED): Fix typo.
4689 (initial_offset): Use WORD_REG_USED.
4691 * h8300.c (handle_pragma): Fix typo.
4693 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4695 * caller-save.c (insert_save_restore): Break this function up
4696 into new functions insert_restore, insert_save and insert_one_insn.
4697 All callers changed.
4698 (insert_restore): New function, mostly broken out of
4699 insert_save_restore.
4700 (insert_save): Likewise.
4701 (insert_one_insn): Likewise.
4702 (restore_referenced_regs): New argument BLOCK. All callers changed.
4703 (save_call_clobbered_regs): Don't keep track of basic block boundaries
4704 in this function, do it in insert_one_insn instead.
4706 * reload1.c (reload): Break out some more pieces into separate
4708 (dump_needs): New function, broken out of reload.
4709 (set_initial_elim_offsets): Likewise.
4710 (init_elim_table): Likewise.
4711 (update_eliminables): Likewise.
4713 * global.c (global_alloc): Delete code to manage the scratch_list.
4714 * local-alloc.c (qty_scratch_rtx): Delete.
4715 (scratch_block): Delete.
4716 (scratch_list): Delete.
4717 (scratch_list_length): Delete.
4718 (scratch_index): Delete.
4719 (alloc_qty_for_scratch): Delete.
4720 (local-alloc): Update initialization of max_qty.
4721 Delete code to manage the scratch list.
4722 Delete code to allocate/initialize qty_scratch_rtx.
4723 (block_alloc): Don't allocate quantities for scratches.
4724 Delete code to manage the scratch list.
4725 * regs.h (scratch_list): Delete declaration.
4726 (scratch_block): Delete declaration.
4727 (scratch_list_length): Delete declaration.
4728 * reload1.c (reload): Delete code to manage the scratch list.
4729 (spill_hard_reg): Likewise.
4730 (mark_scratch_live): Delete.
4732 * recog.c (alter_subreg): Delete declaration.
4734 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
4736 * Makefile.in (cccp.o): Fix typo in last patch.
4738 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4740 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
4741 * config/sh/lib1funcs.asm (___set_fpscr): Add.
4743 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
4745 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
4746 NULL_RTX as an argument.
4748 * Makefile.in (unlibsubdir): Define.
4749 (DRIVER_DEFINES): Use unlibsubdir.
4750 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
4751 (stmp-fixinc): Similarly.
4753 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4755 * regmove.c (regmove_optimize): Add variable old_max_uid.
4756 At the end of the function, update basic_block_end.
4758 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4760 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
4761 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
4764 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
4766 * config/arm/arm.c: Improve interworking support.
4768 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4770 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
4771 copied from reload_out[r] .
4773 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
4775 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
4776 with more than three size ranges.
4778 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
4780 * rtl.c (mode_name): Add a null string at the end of the array.
4781 (mode_wider_mode): Change type to unsigned char.
4782 (mode_mask_array): New variable.
4783 (init_rtl): Update for mode_wider_mode type change.
4785 * rtl.h (mode_wider_mode): Change type to unsigned char.
4786 (mode_mask_array): Declare.
4787 (GET_MODE_MASK): Use mode_mask_array.
4789 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
4791 * calls.c (expand_call) : Encapsulate code into
4792 copy_blkmode_from_reg.
4793 * expr.c (copy_blkmode_from_reg): New function.
4794 * expr.h (copy_blkmode_from_reg): New function.
4795 * integrate.c (function_cannot_inline_p): We can inline
4797 (expand_inline_function): Use copy_blkmode_from_reg
4798 if needed. Avoid creating BLKmode REGs.
4799 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
4802 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
4804 * config/v850/v850.c: Add function prototypes.
4805 Add support for v850 special data areas.
4807 * config/v850/v850.h: Add support for v850 special data areas.
4809 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
4810 HANDLE_PRAGMA_PACK_PUSH_POP.
4811 (push_alignment): New function: Cache an alignment requested
4812 by a #pragma pack(push,<n>).
4813 (pop_alignment): New function: Pop an alignment from the
4815 (insert_pack_attributes): New function: Generate __packed__
4816 and __aligned__ attributes for new decls whilst a #pragma pack
4818 (add_weak): New function: Cache a #pragma weak directive.
4819 (handle_pragma_token): Document calling conventions. Add
4820 support for #pragma pack(push,<n>) and #pragma pack (pop).
4822 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
4823 are defined enable HANDLE_PRAGMA_PACK.
4824 Move 'struct weak_syms' here (from varasm.c).
4825 Add pragma states for push and pop pragmas.
4827 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
4830 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
4831 HANDLE_GENERIC_PRAGMAS.
4833 * varasm.c: Move definition of 'struct weak_syms' into
4835 (handle_pragma_weak): Deleted.
4837 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
4839 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
4841 * c-decl.c (start_function): Add invocation of
4842 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
4844 * tm.texi: Remove description of non-existant macro
4845 SET_DEFAULT_SECTION_NAME.
4847 (HANDLE_SYSV_PRAGMA): Document.
4848 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
4850 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
4852 * config.sub: Recognize i[34567]86-pc-udk as new target.
4853 * configure.in: Likewise.
4854 * config/i386/t-udk: New file.
4855 * config/i386/udk.h: New file.
4857 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
4859 * reorg.c (check_annul_list_true_false): Remove unused variables.
4860 (steal_delay_list_from_target): Add missing "used_annul" variable.
4861 (try_merge_delay_insns): Close out half formed comment.
4863 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4865 * cpplib.c (macroexpand): If arg->raw_before or
4866 arg->raw_after, remove any no-reexpansion escape at the
4867 beginning of the pasted token. Correct handling of whitespace
4868 markers and no-reexpand markers at the end if arg->raw_after.
4870 * toplev.c (documented_lang_options): Recognize -include,
4871 -imacros, -iwithprefix, -iwithprefixbefore.
4872 * cpplib.c (cpp_start_read): Process -imacros and -include
4873 switches at the same time and in command-line order, after
4874 initializing the dependency-output code. Emit properly nested
4875 #line directives for them. Emit a #line for the main file
4876 before processing these switches, and don't do it again
4879 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
4881 * function.c (purge_addressof_1): Use bitfield manipulation
4882 routines to handle mem mode < reg mode.
4884 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4886 * reorg.c (try_merge_delay_insns): Account for resources referenced
4887 in each instruction in INSN's delay list before trying to eliminate
4888 useless instructions. Similarly when looking at a trial insn's delay
4891 * reorg.c (check_annul_list_true_false): New function.
4892 (steal_delay_list_from_{target,fallthrough}): Call it and also
4893 refine tests for when we may annul if already filled a slot.
4894 (fill_slots_from_thread): Likewise.
4895 (delete_from_delay_slot): Return newly-created thread.
4896 (try_merge_delay_isns): Use its new return value.
4898 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
4900 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
4901 used to compute a giv or as some other non-counting use.
4903 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4905 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
4906 * local-alloc.c (find_free_reg): Use it.
4907 * global.c (find_reg): Likewise.
4908 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
4910 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
4911 * caller-save.c (init_caller_save): Use it.
4912 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
4914 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4916 * configure.in: Add --enable-cpplib option which uses cpplib
4917 for cpp, but doesn't link cpplib into cc1. Make help text
4918 capitalization consistent.
4919 * configure: Rebuilt.
4921 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
4923 * function.c (gen_mem_addressof): If the address REG is
4924 REG_USERVAR_P make the new REG be so also.
4925 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
4926 in an attempt to clarify slightly.
4928 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
4930 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
4931 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
4933 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
4935 * toplev.c: Fix last patch.
4937 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
4939 * loop.c (get_condition): Fix typo in May 9 change.
4941 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
4943 * invoke.texi (-fexceptions): Merge 2 different descriptions.
4945 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4947 * toplev.c (documented_lang_options): Spelling corrections.
4949 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4951 * configure.in: new flags --with-ld and --with-as, equivalent
4952 to setting LD and AS environment variables. Test whether
4953 specified arguments are GNU commands, and report them with
4954 checking messages. Use the specified AS for configure
4957 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
4959 * gcc.c (find_a_file): when looking for `as' and `ld', return
4960 the DEFAULT program if it exists
4961 * collect2.c (main): use DEFAULT_LINKER if it exists
4963 * gcc.c (find_a_file): the test for existence of a full
4964 pathname was reversed
4966 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
4968 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
4969 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
4971 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
4973 * tree.h (TYPE_BINFO): Document.
4975 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
4977 * i386-coff.h (dbxcoff.h): Added.
4979 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
4981 * toplev.c: fix bad patch around flag_data_sections.
4983 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
4985 * reload1.c (reload): Use reload_address_index_reg_class and
4986 reload_address_base_reg_class when setting
4987 caller_save_spill_class. (Patch generated by Jim Wilson:
4990 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
4992 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
4993 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
4994 * expr.c (store_field): Add alias_set parameter. Set the
4995 MEM_ALIAS_SET accordingly, if the target is a MEM.
4996 (expand_assignment): Use it.
4997 (store_constructor_field): Pass 0.
4998 (expand_expr): Likewise.
5000 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
5002 * flags.h: Add flag_data_sections.
5003 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
5004 (compile_file): Error if flag_data_sections not supported.
5005 * varasm.c (assemble_variable): Handle flag_data_sections.
5006 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
5007 * config/mips/elf.h: Likewise.
5008 * config/mips/elf64.h: Likewise.
5009 * invoke.texi: Describe -fdata-sections.
5011 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
5013 * invoke.texi (-ffloat-store): Clarify that this option
5014 does not affect intermediate results -- only variables.
5016 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
5018 * cpp.texi: Update for Fortran usage from Craig.
5020 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5022 * rs6000.c (function_arg_boundary): Revert accidental change on
5025 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
5027 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
5028 (output_mi_thunk): Declare.
5030 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
5031 (output_function_profiler): Use r12 for temp, instead of r11 so
5032 that we preserve the static chain register.
5034 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
5036 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
5038 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5040 * sh.c (gen_shl_sext): Fix case 5.
5042 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5044 * reload1.c (reload_combine): Re-add line that got accidentally lost.
5046 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5048 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
5049 accessing variables until they are initialized via va_arg().
5051 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5053 * reload1.c (reload_combine): Initialize set before using.
5055 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
5057 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
5060 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
5062 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
5063 operand3 with mask before using it. Patch provided by Jim Wilson.
5065 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5067 * config/sparc/sparc.c (function_value): Perform the equivalent of
5068 PROMOTE_MODE for ARCH64.
5069 (eligible_for_epilogue_delay): Allow DImode operations in delay
5070 slot of a return for ARCH64.
5072 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5074 * sh.md (sqrtsf2): Fix mode of sqrt.
5076 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5078 * reload1.c (choose_reload_regs): Also try inheritance when
5079 reload_in is a stack slot of a pseudo, even if we already got a
5082 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5084 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
5085 (reload_cse_regs): New function body: call reload_cse_regs_1,
5086 reload_combine, reload_cse_move2add.
5087 When doing expensive_optimizations, call reload_cse_regs_1 a
5088 second time after reload_cse_move2add.
5089 (reload_combine, reload_combine_note_store): New functions.
5090 (reload_combine_note_use): New function.
5091 (reload_cse_move2add, move2add_note_store): New functions.
5093 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5095 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
5096 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
5098 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
5099 more than 3 such reloads.
5101 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
5102 RELOAD_FOR_X_ADDR_ADDR reload.
5104 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5106 * expr.c (store_constructor): When initializing a field that is smaller
5107 than a word, at the start of a word, try to widen it to a full word.
5109 * cse.c (cse_insn): When we are about to change a register,
5110 remove any invalid references to it.
5112 (remove_invalid_subreg_refs): New function.
5113 (mention_regs): Special treatment for SUBREGs.
5114 (insert_regs): Don't strip SUBREG for call to mention_regs.
5115 Check if reg_tick needs to be bumped up before that call.
5116 (lookup_as_function): Try to match known word_mode constants when
5117 looking for a norrower constant.
5118 (canon_hash): Special treatment for SUBREGs.
5120 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5122 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
5123 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
5124 defined, emit libcall to __enable_execute_stack. Also fix opcodes
5125 and offsets in actual stack trampoline code so they match the
5126 commentary and actually work.
5128 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5130 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
5132 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
5133 tmake_file. Set extra_parts to needed crt objects.
5134 * configure: Rebuilt.
5135 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
5136 (TARGET_DEFAULT): Set if default is v9 or ultra.
5137 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
5138 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
5139 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
5140 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
5141 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
5142 (TARGET_VERSION): Define.
5143 (MULTILIB_DEFAULT): Define.
5144 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
5145 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
5146 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
5148 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
5149 * config/sparc/sparc.c (sparc_override_options): If arch and
5150 pointer size disagree, emit diagnostic and fix it up. If
5151 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
5152 V8PLUS in 64-bit mode.
5153 * config/sparc/t-linux64: New file.
5154 * config/sparc/t-sol2-64: New file.
5155 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
5156 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
5157 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
5158 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
5159 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
5160 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
5162 (STARTFILE_SPEC): Set approriately based upon those.
5163 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
5164 disposition of DEFAULT_ARCH32_P.
5165 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
5166 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
5167 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
5168 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
5169 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
5171 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
5173 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
5175 * rtl.h (init_virtual_regs): New function.
5176 * emit-rtl.c (init_virtual_regs): Define.
5177 (insn_emit): Use it.
5178 * integrate.c (save_for_inline_copying): Likewise.
5180 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
5182 * config/arm/thumb.h: The following patches were made by Jim Wilson:
5183 (enum reg_class): Add NONARG_LO_REGS support.
5184 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5185 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
5186 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
5187 completes. Re-enable HImode REG+OFFSET addresses.
5188 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5190 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5192 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5194 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5195 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5196 (alpha_align_insns): Properly calculate initial offset wrt max_align.
5198 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
5200 * arm.c (find_barrier): Revert change of Apr 23. Handle table
5201 jumps as a single entity, taking into account the size of the
5204 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5206 * tree.def (SWITCH_EXPR): New tree node definition.
5208 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
5210 * version.c: Bump for snapshot.
5212 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
5214 * version.c: Bump for snapshot.
5216 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
5218 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
5221 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
5223 * Revert this patch.
5224 * reload.c (find_reloads): Do not replace a pseudo with
5225 (MEM (reg_equiv_addr)) in the initializing insn for the
5228 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
5230 * final.c (final_scan_insn): Disable tracking CC across branches.
5232 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5234 * expr.h (eh_rtime_match_libfunc): New extern declaration.
5235 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
5236 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
5237 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
5238 NULL. Only include <stdio.h> if inhibit_libc is not defined.
5240 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
5242 * toplev.c (rest_of_compilation): Skip compiling anything with
5243 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
5245 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
5247 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
5248 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
5249 use in_libcall_block.
5250 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
5251 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
5254 Mon Sep 21 14:02:23 1998
5256 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
5257 typo in no-fancy-math-387 description.
5259 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
5261 * version.c: Bump for snapshot.
5263 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
5265 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
5267 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
5269 * i386.h: (TARGET_SWITCHES) Add description fields for flags
5270 documented in install.texi.
5271 (TARGET_OPTIONS) Likewise.
5273 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
5275 * version.c: Bump for snapshot.
5277 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
5279 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
5280 * cccp.c (main): Likewise.
5282 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
5283 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
5286 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
5288 * Makefile.in (LIBS): Link in libiberty.a.
5289 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
5291 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
5293 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
5294 it to update bb boundaries. Update caller.
5295 * function.c (reposition_prologue_and_epilogue_notes): Update
5296 bb boundaries wrt the moved note.
5298 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
5300 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
5302 * configure: Regenerate.
5304 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
5306 * alpha.c (alpha_sr_alias_set): New variable.
5307 (override_options): Set it.
5308 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
5309 (mode_mask_operand): Fix signed-unsigned comparision warning.
5310 (alpha_expand_block_move): Likewise.
5311 (print_operand): Likewise.
5312 (get_aligned_mem): Use change_address.
5313 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
5314 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
5315 (alphaev4_next_nop, alphaev5_next_nop): New functions.
5316 (alpha_align_insns): Remade from old alphaev5_align_insns
5317 to handle multiple processors.
5318 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
5319 * output.h (label_to_alignment): Prototype.
5321 * tree.c (new_alias_set): New function.
5322 * tree.h (new_alias_set): Declare it.
5323 * c-common.c (c_get_alias_set): Use it.
5325 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
5327 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
5328 to an ABS expr, convert an unsigned input to signed.
5330 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
5332 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
5334 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5336 * configure.in: Add support for c4x targets.
5337 * configure: Rebuilt.
5339 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
5341 * combine.c (distribute_notes): If an insn is a cc0 user, only
5342 delete it if we can also delete the cc0 setter.
5344 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
5346 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
5347 (invert_truthvalue): Enable truthvalue inversion for
5348 floating-point operands if -ffast-math.
5350 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
5352 * configure.in: Disable collect2 for nextstep. Instead use
5354 * configure: Rebuilt.
5355 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
5356 (ENDFILE_SPEC): Define.
5357 (OBJECT_FORMAT_MACHO): Define.
5358 (EH_FRAME_SECTION_ASM_OP): Define.
5359 * crtstuff.c: Handle MACHO.
5361 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
5363 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
5365 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
5367 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
5368 (_fpadd_parts): Get sign right for 0.
5370 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5372 * ginclude/varargs.h: Add support for C4x target.
5373 * ginclude/stdargs.h: Likewise.
5375 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
5377 * alpha.c (alpha_return_addr): SET should be VOIDmode.
5378 (alpha_emit_set_long_const): Rewrite to be callable from reload
5380 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
5381 * alpha.md (movdi): Likewise.
5383 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
5385 * arm.c (add_constant): New parameter address_only, change caller.
5386 Set it non-zero if taking the address of an item in the pool.
5387 (arm_reorg): Handle cases where we need the address of an item in
5390 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
5392 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
5393 memory addresses that are not in standard canonical form.
5395 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
5397 * README.C4X: New file with information about the c4x ports.
5398 * ginclude/va-c4x.h: New file for c4x varargs support.
5399 * config/c4x: New directory with c4x port files.
5401 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
5403 * reload.c (find_reloads): Do not replace a pseudo with
5404 (MEM (reg_equiv_addr)) in the initializing insn for the
5407 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
5409 * toplev.c (rest_of_compilation): Set bct_p on second call to
5411 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
5413 (strength_reduce): Only call analyze_loop_iterations and
5414 insert_bct if bct_p set.
5415 (check_dbra_loop): Fix typo.
5416 (insert_bct): Use word_mode instead of SImode.
5417 (instrument_loop_bct): Likewise. Do not delete iteration count
5418 condition code generation insn. Initialize iteration count before
5420 * rtl.h (loop_optimize): Update prototype.
5422 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
5423 not doubleword aligned.
5425 * rs6000.c (optimization_options): New function.
5426 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
5427 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
5428 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
5429 first; cr1 can be used for FP record condition insns.
5431 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
5433 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
5436 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
5439 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
5441 (block_move_call): New function: Call a library routine to copy a
5443 (m32r_expand_block_move): New function: Expand a "movstrsi"
5444 pattern into a sequence of insns.
5445 (m32r_output_block_move): New function: Expand a
5446 "movstrsi_internal" pattern into a sequence of assembler opcodes.
5447 (m32r_block_immediate_operand): New function: Return true if the
5448 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
5450 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5452 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
5454 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
5456 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5458 * regmove.c (copy_src_to_dest): Check that modes match.
5460 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
5462 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
5464 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
5466 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
5467 narrower than FLOAT_REGS.
5469 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5471 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
5473 * Makefile.in (old_gxx_include_dir): removed
5475 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
5477 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
5480 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
5481 (sh_handle_pragma): Change function arguments to match new
5482 specification for HANDLE_PRAGMA.
5484 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5486 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
5488 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
5489 When generating output, initialize missing struct member to zero.
5491 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5493 * regmove.c (copy_src_to_dest): Don't copy if that requires
5494 (a) new register(s).
5496 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5498 * global.c (reg_allocno): Now static.
5499 * reload1.c (reg_allocno): Delete declaration.
5500 (order_regs_for_reload): Take no arguments. Don't treat regs
5501 allocated by global differently than those allocated by local-alloc.
5503 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
5505 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
5506 condition, fix format strings.
5507 (output_function_epilogue): Likewise.
5509 * m68k/m68k.c: Don't include <stdlib.h> directly.
5511 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
5513 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
5514 mem_first_set, mem_last_set; because 0 can be a CUID.
5515 (oprs_unchanged_p): Use new definition.
5516 (record_last_reg_set_info): Likewise.
5517 (record_last_mem_set_info): Likewise.
5518 (compute_hash_table): Likewise.
5520 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
5522 * rs6000.c (output_epilogue): Handle Chill.
5524 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5525 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5527 * combine.c (make_extraction): If no mode is specified for
5528 an operand of insv, extv, or extzv, default it to word_mode.
5529 (simplify_comparison): Similarly.
5530 * expmed.c (store_bit_field): Similarly.
5531 (extract_bit_field): Similarly.
5532 * function.c (fixup_var_regs_1): Similarly.
5533 * recog.c (validate_replace_rtx_1): Similarly.
5534 * mips.md (extv, extzv, insv expanders): Default modes for most
5535 operands. Handle TARGET_64BIT.
5536 (movdi_uld, movdi_usd): New patterns.
5538 * pa.c (emit_move_sequence): Do not replace a pseudo with its
5539 equivalent memory location unless we have been provided a scratch
5540 register. Similarly do not call find_replacement unless a
5541 scratch register has been provided.
5543 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5545 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
5548 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
5550 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
5551 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
5552 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
5553 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
5554 * c-decl.c (init_decl_processing): Update accordingly.
5555 * expr.c (expand_builtin): Likewise.
5557 * rtl.h (global_rtl): Add cfa entry.
5558 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
5559 (LAST_VIRTUAL_REGISTER): Update.
5560 * emit-rtl.c (global_rtl): Add cfa entry.
5561 (init_emit): Initialize it.
5562 * function.c (cfa_offset): New.
5563 (instantiate_virtual_regs): Initialize it.
5564 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
5565 (expand_function_end): Call expand_eh_return.
5566 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
5568 * except.c (current_function_eh_stub_label): Kill.
5569 (current_function_eh_old_stub_label): Likwise; update all references.
5570 (expand_builtin_set_return_addr_reg): Kill.
5571 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
5572 (expand_builtin_set_eh_regs): Kill.
5573 (eh_regs): Produce a third reg for the actual handler address.
5574 (eh_return_context, eh_return_stack_adjust): New.
5575 (eh_return_handler, eh_return_stub_label): New.
5576 (init_eh_for_function): Initialize them.
5577 (expand_builtin_eh_return, expand_eh_return): New.
5578 * except.h: Update prototypes.
5579 * flow.c (find_basic_blocks_1): Update references to the stub label.
5580 * function.h (struct function): Kill stub label elements.
5582 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
5583 register number is one that would be in the previous window.
5584 Provide a dummy definition for non-windowed targets.
5585 (get_reg_addr): New function.
5586 (get_reg, put_reg, copy_reg): Use it.
5587 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
5588 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
5590 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
5591 (alpha_init_expanders): Initialize it.
5592 (alpha_expand_epilogue): Use it.
5593 * alpha.h: Declare it.
5594 * alpha.md (eh_epilogue): New.
5596 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
5597 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
5599 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
5601 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
5604 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5606 * except.h (struct eh_entry): Add false_label field.
5607 (end_catch_handler): Add prototype.
5608 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
5609 (start_catch_handler): When using old style exceptions, issue
5610 runtime typematch code before continuing with the handler.
5611 (end_catch_handler): New function, generates label after handler
5612 if needed by older style exceptions.
5613 (expand_start_all_catch): No need to check for new style exceptions.
5614 (output_exception_table_entry): Only output the first handler label
5615 for old style exceptions.
5616 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
5617 mechanism into one function, if a runtime matcher is provided.
5619 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5621 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
5623 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
5625 * integrate.c (copy_decl_list): Fix typo.
5627 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5629 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
5632 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
5634 * version.c: Bump for snapshot.
5636 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
5638 * version.c: Bump for snapshot.
5640 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
5642 * version.c: Bump for snapshot.
5644 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5646 * invoke.texi (C Dialect Options): Put back missing @end itemize.
5648 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5650 * configure.in: remove usage of `!' to negate the result of a
5651 command; some common shells do not support it
5653 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5655 * configure.in: in sparc9-sol2 config, use 'if test' not
5657 * configure: Rebuilt.
5659 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
5661 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
5662 (CPP_CPU_DEFAULT_SPEC): Likewise.
5663 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
5664 for arch64 libfuncs.
5666 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
5669 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5671 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
5673 * collect2.c: Don't declare `sys_siglist' here.
5674 (my_strsignal): Prototype and define new function. Use it in
5675 place of `sys_siglist' hacks.
5677 * mips_tfile.c: Likewise.
5679 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
5680 (GCC_NEED_DECLARATIONS): Likewise.
5682 * system.h (strsignal): Prototype it, if necessary.
5683 (sys_siglist): Declare it, if necessary.
5685 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5687 * loop.c (move_movables): While removing insn sequences, preserve
5688 the next pointer of the most recently deleted insn when we skip
5691 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
5693 * objc/config-lang.in: Do not output the name of the selected
5694 thread file when building the front-end. The Makefile for the
5695 runtime library will do this.
5697 * objc/Make-lang.in: Do not build the runtime library or install
5698 the Objective C header files. The Makefile for the runtime
5699 library will do this.
5701 * objc/Makefile.in (all.indirect): Only build the front-end.
5702 (compiler): Rename to `frontend'.
5703 (obj-runtime): Remove target.
5704 (copy-headers): Likewise.
5705 (clean): No need to remove `libobjc.a' any longer.
5707 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
5709 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
5710 supported with -mcpu=xxx.
5712 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5714 * flow.c (mark_set_1): Recognize multi-register structure return
5715 values in CALL insns.
5716 (mark_used_regs): Likewise.
5717 (count_reg_sets_1): Likewise.
5718 (count_reg_references): Likewise.
5719 * rtlanal.c (note_stores): Likewise.
5720 (reg_overlap_mentioned_p): Likewise.
5721 * haifa-sched.c (check_live_1): Likewise.
5722 (update_live_1): Likewise.
5723 (sched_analyze_1): Likewise.
5724 (sched_note_set): Likewise.
5725 (birthing_insn_p): Likewise.
5726 (attach_deaths): Likewise.
5728 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
5731 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
5733 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
5735 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5737 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
5739 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5741 * configure.in: Add check for GAS subsection -1 support.
5742 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
5743 * configure config.in: Rebuilt.
5744 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
5745 SImode is subsection -1 works, else use DImode.
5746 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
5747 subsection -1 works.
5748 * config/sparc/sparc.c (sparc_output_addr_vec,
5749 sparc_output_addr_diff_vec): Use them if defined.
5751 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
5753 * tree.h (DECL_ORIGIN): New macro.
5754 * integrate.c (copy_and_set_decl_abstract_origin): New function.
5755 (copy_decl_list): Use it.
5756 (integrate_parm_decls): Likewise.
5757 (integrate_decl_tree): Likewise.
5758 * dwarf2out.c (decl_ultimate_origin): Simplify.
5759 * dwarfout.c (decl_ultimate_origin): Likewise.
5760 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
5761 (pushdecl): Likewise.
5763 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
5765 * config/rs6000/rs6000.c (output_epilog): Add Java support.
5767 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
5769 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
5771 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
5773 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
5774 empty or has a single entry.
5776 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
5777 before calling reg_to_stack.
5779 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
5781 * alpha.c (alphaev5_insn_pipe): Abort on default case.
5782 (alphaev5_next_group): Swallow CLOBBERs and USEs.
5784 * c-tree.h (warn_long_long): Declare it.
5786 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
5788 * emit-rtl.c (gen_lowpart_common): Disable optimization of
5789 initialized float-int union if the value is a NaN.
5791 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
5793 * c-lex.c (real_yylex): Don't warn about long long constants if
5794 we're allowing long long
5796 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5798 * except.h (current_function_eh_stub_label): Declare.
5799 (current_function_eh_old_stub_label): Declare.
5800 * function.h (struct function): New members eh_stub_label and
5802 * except.c (current_function_eh_stub_label): New variable.
5803 (current_function_eh_old_stub_label): New variable.
5804 (init_eh_for_function): Clear them.
5805 (save_eh_status): Save them.
5806 (restore_eh_status): Restore them.
5807 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
5808 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
5809 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
5810 make an edge from the block that contains it to the block starting
5811 with the label if this label is one of the eh stub labels.
5812 If eh stub labels exist, show they are reachable from the last block
5815 * reload1.c (reload): Break out several subroutines and make some
5817 (calculate_needs_all_insns): New function, broken out of reload.
5818 (calculate_needs): Likewise.
5819 (find_reload_regs): Likewise.
5820 (find_group): Likewise.
5821 (find_tworeg_group): Likewise.
5822 (something_needs_reloads): New global variable, formerly in reload.
5823 (something_needs_elimination): Likewise.
5824 (caller_save_spill_class): Likewise.
5825 (caller_save_group_size): Likewise.
5826 (max_needs): Likewise.
5827 (group_size): Likewise.
5828 (max_groups): Likewise.
5829 (max_nongroups): Likewise.
5830 (group_mode): Likewise.
5831 (max_needs_insn): Likewise.
5832 (max_groups_insn): Likewise.
5833 (max_nongroups_insn): Likewise.
5834 (failure): Likewise.
5836 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
5838 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
5840 * loop.c (load_mems): Copy rtx for output mem.
5842 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
5844 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
5845 mips1 or mips2 either.
5847 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
5849 * pa.c (pa_reorg): New marking scheme for jumps inside switch
5851 (pa_adjust_insn_length): Update to work with new marking scheme
5852 for jumps inside switch tables.
5853 * pa.md (switch_jump): Remove pattern.
5854 (jump): Handle jumps inside jump tables.
5856 * Makefile.in (profile.o): Depend on insn-config.h
5858 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
5860 * iris6.h (DWARF2_UNWIND_INFO): Undef.
5862 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5864 Add preliminary native sparcv9 Solaris support.
5865 * configure.in: Recognize sparv9-*-solaris2*
5866 * configure: rebuilt
5867 * config.sub: Recognize sparcv9 just like sparc64.
5868 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
5869 config/sparc/sol2-cn.asm: Macroize so it can be shared between
5870 32-bit and 64-bit Solaris systems.
5871 * config/sparc/t-sol2: Assemble those with cpp.
5872 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
5873 (*TF*_LIBCALL): If ARCH64 use V9 names.
5874 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
5876 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5878 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
5879 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
5881 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
5883 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
5884 to Pmode if CASE_VECTOR_MODE is something else.
5886 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
5888 * prefix.c (update_path): Correctly handle cases where PATH is
5889 a substring of the builtin prefix, but specifies a different
5892 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
5894 * expr.c: Corrected comment about what MOVE_RATIO does.
5895 * config/alpha/alpha.h: Ditto.
5896 * config/1750a/1750a.h: Ditto.
5897 * config/clipper/clipper.h: Ditto.
5898 * config/i386/i386.h: Ditto.
5900 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
5902 * configure.in (m68k-next-nextstep3*): Use collect2.
5903 Similarly for x86 NeXT configurations.
5904 * configure: Rebuilt.
5906 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
5908 * configure.in: Don't assume srcdir is .../gcc
5909 * configure: Rebuilt.
5911 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
5913 * global.c: Update comments.
5914 (global_alloc): Assign allocation-numbers
5915 even for registers allocated by local_alloc in case
5916 they are later spilled and retry_global_alloc is called.
5917 (mark_reg_store, mark_reg_clobber,
5918 mark_reg_conflicts, mark_reg_death): Always record a
5919 conflict with a pseudo register even if it has been
5920 assigned to a hard register.
5921 (dump_conflicts): Don't list pseudo registers already assigned to
5922 a hard register as needing to be allocated, but do list their
5924 * local-alloc.c: Update comment.
5926 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
5928 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
5929 * configure: Rebuilt.
5931 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
5933 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
5935 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
5936 for all targets that set -msoft-float.
5938 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5940 * toplev.c (print_switch_values): Make static to match prototype.
5942 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
5944 * configure.in: If we are unable to find the "gnatbind" program,
5945 then do not configure the ada subdir.
5946 * configure: Rebuilt.
5948 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
5950 * version.c: Bump for snapshot.
5952 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
5954 * version.c: Bump for snapshot.
5956 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5958 * Makefile.in (toplev.o): Depend on $(EXPR_H).
5959 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
5961 * gansidecl.h: Define ATTRIBUTE_NORETURN.
5963 * genattrtab.c: Have insn-attrtab.c include toplev.h.
5965 * genextract.c: Have insn-extract.c include toplev.h.
5967 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
5969 * toplev.c: Include expr.h.
5970 (really_sorry, fancy_abort): Remove prototypes.
5971 (set_target_switch): Add argument in prototype.
5972 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
5973 (v_really_sorry): Likewise.
5974 (print_version, print_single_switch, print_switch_values): Make
5975 static and add prototype arguments.
5976 (decl_printable_name): Add prototype arguments.
5977 (lang_expand_expr_t): New typedef.
5978 (lang_expand_expr): Declare as a lang_expand_expr_t.
5979 (incomplete_decl_finalize_hook): Add prototype argument.
5980 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
5981 (botch): Likewise for variable `s'.
5982 (rest_of_type_compilation): Mark variables `type' and `toplev'
5983 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
5984 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
5985 (display_help): Make variable `i' an `unsigned long'.
5986 (main): Remove unused parameter `envp'.
5987 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
5988 Cast -1 when comparing it with a `size_t'.
5990 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
5991 prototype with ATTRIBUTE_NORETURN.
5992 (fatal_insn_not_found, fatal_insn, really_sorry,
5993 push_float_handler, pop_float_handler): Add prototypes.
5994 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
5995 (do_abort, botch): Add prototypes.
5997 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
5999 * final.c (final): If a label is reached only from a single jump,
6000 call NOTICE_UPDATE_CC on the jump and its predecessor before
6001 emitting the insn after the label.
6003 * i386.h: Add AMD K6 support.
6004 Change TARGET_* macros to use table lookup.
6005 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
6006 (ADJUST_COST): Change definition to call function in i386.c.
6007 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
6008 * i386.c: Add AMD K6 support.
6009 Add constants for feature tests used by TARGET_* macros.
6010 (split_di): If before reload, call gen_lowpart and gen_highpart.
6011 (x86_adjust_cost): New function.
6012 (put_jump_code): New function.
6013 (print_operand): New codes 'D' and 'd'.
6014 * i386.md: New insn types. New insn attribute "memory".
6015 Redefine scheduling parameters to use new types and add AMD K6
6016 support. Explicitly set type of most insns.
6017 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
6018 Pro and K6 prefer movl $1,reg to incl reg.
6019 (adddi3, subdi3): Set cc_status.
6020 (DImode shift patterns): Change label counters from HOST_WIDE_INT
6021 to int; x86 can't have more than 2^31 DImode shifts per file.
6022 (setcc): Combine all setcc patterns. Allow writing memory.
6023 Combine all jump patterns using match_operator.
6024 (*bzero): Name pattern. Emit mutliple stos instructions when that
6025 is faster than rep stos.
6026 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
6029 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
6031 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
6034 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
6036 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
6037 not whatever we're generating now.
6039 * alpha.c (set_frame_related_p, FRP): New.
6040 (alpha_expand_prologue): Mark frame related insns.
6041 (alpha_expand_epilogue): Likewise, but with a null FRP.
6042 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
6043 * alpha.md (exception_receiver): New.
6044 * alpha/crtbegin.asm (.eh_frame): New beginning.
6045 (__do_frame_setup, __do_frame_takedown): New.
6046 * alpha/crtend.asm (.eh_frame): New ending.
6047 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
6048 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
6049 (ASM_FILE_START): Don't emit .file for dwarf2.
6051 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
6052 * rtl.c (reg_note_name): Likewise.
6053 * rtl.texi (REG_NOTES): Likewise.
6054 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
6057 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
6059 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
6060 * i386.md (movsf, movdf, movxf): Validate memory address returned
6061 from force_const_mem. Kill useless REG_EQUAL setting code.
6063 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
6065 * m68k.md (zero_extendsidi2): Fix typo.
6067 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
6069 * configure.in: Removed references to the removed file
6070 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
6071 * arm*-*-netbsd* and ns32k-*-netbsd*.
6072 * config/i386/xm-netbsd.h: Removed unnecessary file.
6073 * config/m68k/xm-netbsd.h: Likewise.
6074 * config/sparc/xm-netbsd.h: Likewise.
6075 * config/mips/xm-netbsd.h: Likewise.
6077 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
6079 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
6080 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
6082 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
6083 for exact section attributions.
6085 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
6087 * i386/crtdll.h (CPP_PREDEFINES): Define.
6089 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
6091 * m68k.md (5200 movqi): Do not allow byte sized memory references
6093 * m68k.c (output_move_qimode): Do not use byte sized operations on
6096 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
6097 explicit rules for building. Similarly for alloca, vfprintf,
6098 choose-temp and mkstemp, getopt, getopt1, and obstack.
6099 (INCLUDES): Add $(srcdir)/../include.
6100 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
6101 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
6103 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
6105 * gcc.c (do_spec_1): [case 'o'] Account for
6106 lang_specific_extra_outfiles.
6107 (main): Correctly clear all slots in outfiles for
6108 lang_specific_extra_outfiles. Set input_file_number before
6109 calling lang_specific_pre_link.
6111 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
6113 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
6115 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6117 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
6119 (sparc_output_deferred_case_vectors): If no work to do, return.
6120 Fix thinko in Sept 1 change.
6122 1998-09-03 SL Baur <steve@altair.xemacs.org>
6124 * Makefile.in: add semicolon in BISON definition for portability.
6126 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6128 * config/nextstep.c (handle_pragma): Correct name of third
6131 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
6133 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
6134 * config/m32r/m32r.h: Make register 17 be fixed.
6135 * config/m32r/m32r.c: Use SImode for cc operations.
6137 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
6139 * invoke.texi (Warning Options): Add -Wnon-template-friend
6142 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
6144 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
6146 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
6148 * rs6000.md (movsf): Disable explicit secondary-reload-like
6149 functionality if TARGET_POWERPC64.
6150 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
6153 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
6155 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
6156 and term.h from fixinc.wrap.
6158 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6160 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
6161 safe to include both string.h and strings.h together.
6162 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
6163 which headers to search for function declarations. Continue to
6164 prefer string.h over strings.h when both are not acceptable.
6166 * acconfig.h (STRING_WITH_STRINGS): Add stub.
6168 * configure.in: Call GCC_HEADER_STRING.
6170 * system.h: Test STRING_WITH_STRINGS when deciding which headers
6171 to include. Continue to prefer string.h over strings.h when both
6174 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6176 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
6177 not assume top 32-bits of symbolic addresses are zero if
6180 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
6182 * ginclude/va-alpha.h: Protect entire second portion of the
6183 file against double inclusion.
6185 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
6187 Added support for the Boehm's garbage collector.
6188 * configure.in: Handle --enable-objc-gc.
6189 * configure: Rebuilt.
6190 * Makefile.in (CHECK_TARGETS): Add check-objc.
6191 (check-objc): New rule.
6192 * objc/Make-lang.in: Build a different Objective-C library that
6193 runs with the Boehm's collector.
6194 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6195 * objc/encoding.c: Correctly compute the size of compound types in
6196 the presence of bitfields. Skip the variable name of the type if
6197 any. Added support for long long.
6198 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
6199 (_F_GCINVISIBLE): New mask.
6200 * objc/gc.c: New file. Compute the type memory mask associated with
6201 a class based on the runtime information.
6202 * objc/misc.c: Added the hooks that use the Boehm's collector
6203 allocation functions.
6204 * objc/objc-act.c (build_class_template): Generate a new class
6205 member (gc_object_type) to hold the class' type memory mask.
6206 (build_shared_structure_initializer): Initialize the new member to
6208 (encode_complete_bitfield): New function. Generate the new
6210 (encode_field_decl): Generate the new encoding only for the GNU
6212 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
6214 (class_get_gc_object_type): New function to mark a pointer instance
6215 variable as a weak pointer.
6216 * objc/objc-features.texi: New file.
6217 * objc/objc.h (gc_object_type): New class member.
6218 * objc/objects.c (class_create_instance): Create a typed memory
6219 object when compiled with Boehm's collector support.
6220 * objc/sendmsg.c (__objc_init_install_dtable): Call
6221 __objc_send_initialize instead of setting the initialize flag.
6222 (__objc_send_initialize): Call __objc_generate_gc_type_description
6223 to generate the class type memory mask. Rewrite the code that
6224 sends the +initialize so that it is called only once (bug report
6225 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
6226 * testsuite/objc: New testsuite for Objective-C type encoding.
6227 * testsuite/lib/objc-torture.exp: New file.
6228 * testsuite/lib/objc.exp: New file.
6230 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
6232 * jump.c (jump_optimize): In if/then/else transformations, add
6233 another call to modified_between_p for the jump insn.
6235 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
6237 * fix-header.c (symlink): Treat like readlink.
6239 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6241 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
6244 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
6246 * config/nextstep.h: Update HANDLE_PRAGMA macro.
6247 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
6248 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
6250 * config/nextstep.c (handle_pragma): Take three arguments, as per
6251 the new HANDLE_PRAGMA macro specification.
6252 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
6253 per the new HANDLE_PRAGMA macro specification.
6254 * config/i960/i960.c (process_pragma): Take three arguments, as
6255 per the new HANDLE_PRAGMA macro specification.
6257 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
6259 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
6260 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
6261 if unknown pragmas are encountered.
6262 (handle_sysv_pragma): Interpret return code from
6263 handle_pragma_token (). Return success/failure indication rather
6264 than next unprocessed character.
6265 (pragma_getc): New function: retrieves characters from the
6266 input stream. Defined when HANDLE_PRAGMA is enabled.
6267 (pragma_ungetc): New function: replaces characters back into the
6268 input stream. Defined when HANDLE_PRAGMA is enabled.
6270 * c-pragma.c (handle_pragma_token): Return success/failure status
6273 * c-pragma.h: Change prototype of handle_pragma_token().
6275 * varasm.c: (handle_pragma_weak): Only create this function if
6276 HANDLE_PRAGMA_WEAK is defined.
6278 * c-common,c (decl_attributes): If defined call the expression
6279 contained within the INSERT_ATTRIBUTES macro before adding
6280 attributes to a decl.
6282 * tm.texi (HANDLE_PRAGMA): Document the new verion of
6283 HANDLE_PRAGMA, which takes three arguments.
6284 (INSERT_ATTRIBUTES): Document this new macro.
6286 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
6287 new INSERT_ATTRIBUTES macro.
6289 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6291 * config/sparc/sparc.md (movdf): Only generate special RTL for
6292 LABEL_REFs when PIC.
6293 (move_label_di): Remove
6294 (movdi_pic_label_ref, movdi_high_pic_label_ref,
6295 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
6296 references when PIC.
6297 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
6298 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
6299 output an .xword for all 64-bit cases.
6301 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6303 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
6304 alignment, use FUNCTION_BOUNDARY instead.
6305 (sparc_output_deferred_case_vectors): Likewise.
6307 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6309 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
6310 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
6312 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
6314 * alpha/va_list.h: New file.
6315 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
6317 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
6319 * NEWS: Add SCO Openserver and Unixware 7 notes.
6323 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
6325 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
6326 (record_constant_1): Handle RANGE_EXPR.
6328 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
6330 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
6331 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
6332 and NOTE_INSN_RANGE_END specially.
6333 (reemit_notes): Likewise.
6335 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6337 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
6338 (ultrasparc_sched_init): Remove unneeded &.
6340 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6342 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
6343 for m68020-60, to prevent the use of fintrz.
6345 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
6347 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
6349 * Makefile.in: Likewise.
6350 * configure: Regenerated.
6352 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
6354 * configure.in (gxx_include_dir): Changed to
6355 '${prefix}/include/g++'-${libstdcxx_interface}.
6356 * configure: Rebuilt.
6358 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
6360 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
6362 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
6363 *sequences* *below* which scalar moves will be used.
6365 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
6367 * collect2.c (mktemp): Delete unused declaration.
6369 * config/xm-netbsd.h: Remove unnecessary file.
6370 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
6371 file anymore, it is not needed.
6373 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
6375 * convert.c (convert_to_integer): Issue an error on conversions to
6378 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
6380 * Makefile.in: Add lang_tree_files and gencheck.h.
6381 * configure.in: Generate them.
6382 * gencheck.c: Include gencheck.h.
6384 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6386 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
6387 movdi_lo_sum_pic and movdi_high_pic and make visible.
6388 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
6389 emit these when Pmode is not SImode.
6390 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
6392 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
6394 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
6395 .linkonce directive after the first time.
6397 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
6399 * m68k.md (beq0_di): Generate correct (and more efficient) code when
6400 the clobbered operand overlaps with an input.
6401 (bne0_di): Similarly.
6403 * Makefile.in (INSTALL): Remove "--no-header" argument.
6405 * NEWS: Various updates.
6407 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6409 * config/sparc/sparc.c (arith_operand, const64_operand,
6410 const64_high_operand, arith_double_4096_operand): Mark mode as
6412 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
6414 (sparc_emit_set_const64): Remove unused variable i.
6415 (sparc_splitdi_legitimate): Likewise for addr_part.
6416 (ultra_code_from_mask): Likewise for mask.
6417 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
6418 reverse return values so it matches usage and comments.
6419 (ultra_flush_pipeline): Likewise.
6420 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
6421 this_type, and allow loads and stores of differing FP modes as
6422 they do not create a conflict.
6423 (ultra_find_type): Initialize fpmode to SFmode, fix
6424 parenthesization thinkos in large conditional.
6425 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
6426 Init free_slot_mask after ultra_cur_hist is reset, not before.
6427 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
6428 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
6429 use ultra_flush_pipeline instead, then re-init group pointer.
6430 Fix statement with no effect. If no progress made in, and no
6431 instructions scheduled at all, advance to new pipeline cycle else
6432 we get into an endless loop.
6433 (ultrasparc_adjust_cost): Remove previous arg.
6434 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
6436 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
6438 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
6439 code. Use reg_overlap_mentioned_p to detect when source and
6440 destination overlap.
6441 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
6443 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
6445 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
6446 COMPARISON_VAL, into invariant_p.
6448 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6450 * regmove.c (regclass_compatible_p): New function.
6451 (regmove_optimize): Use it.
6453 Use NREGS parameter insted of calling max_reg_num.
6455 (fixup_match_1): Don't use code = MINUS when later tieing with
6456 a hard register is likely.
6458 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6460 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
6461 COMPARISON_VAL was normalized.
6463 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
6465 * loop.c (check_dbra_loop): The loop ending comparison value
6466 must be an invariant or we can not reverse the loop.
6468 * loop.c (scan_loop): Count down from max_reg_num - 1 to
6469 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
6471 (load_mems_and_recount_loop_regs_set): Likewise.
6473 * i386.c (print_operand): Remove obsolete 'c' docs.
6475 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
6477 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
6478 * frame.c (init_object_mutex): New function.
6479 (init_object_mutex_once): Likewise.
6480 (find_fde): Call it.
6481 (__register_frame_info): Likewise.
6482 (__register_frame_info_table): Likewise.
6483 (__deregister_frame_info): Likewise.
6485 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
6487 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
6489 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6491 * loop.c (check_dbra_loop): Enable code for reversal
6492 of some loops without a known constant loop end.
6494 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
6496 * haifa-sched.c (last_clock_var): New.
6497 (schedule_block): Initialize it.
6498 (schedule_insn): Use it to fill insn modes with issue information.
6500 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
6501 Tag trapb and next insn with TImode.
6502 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
6503 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
6504 Invoke alphaev5_align_insns as appropriate.
6505 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
6506 (MD_SCHED_VARIABLE_ISSUE): New.
6507 * alpha.md (attr type): Add multi.
6508 (define_asm_attributes): New.
6509 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
6510 (arg_home): Likewise.
6511 (fnop, unop, realign): New.
6513 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
6515 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
6516 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
6518 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
6519 (rs6000-ibm-aix4.[12]*): Likewise.
6520 * configure: Regnerate.
6522 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
6524 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
6525 already contains the return address.
6527 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
6529 * calls.c (expand_call): Use bitfield instructions to extract/deposit
6530 word sized hunks when loading unaligned args into registers.
6532 * haifa-sched.c (sched_analyze_insn): Only create scheduling
6533 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
6535 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
6537 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6539 * loop.c (check_dbra_loop): Add some code that would allow reversal
6540 of some loops without a known constant loop end if it were enabled.
6542 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
6544 * mips.md (lshrsi3_internal2+2): Fix type-o.
6546 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6548 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
6549 correctly with regards to stdio.h.
6551 * calls.c: Remove stdarg.h/varargs.h.
6554 * combine.c: Likewise.
6555 * cpperror.c: Likewise.
6556 * cpplib.c: Likewise.
6557 * cpplib.h: Likewise.
6558 * doprint.c: Likewise.
6559 * emit-rtl.c: Likewise.
6560 * final.c: Likewise.
6561 * fix-header.c: Likewise.
6563 * genattr.c: Likewise.
6564 * genattrtab.c: Likewise.
6565 * gencodes.c: Likewise.
6566 * genconfig.c: Likewise.
6567 * genemit.c: Likewise.
6568 * genextract.c: Likewise.
6569 * genflags.c: Likewise.
6570 * genopinit.c: Likewise.
6571 * genoutput.c: Likewise.
6572 * genpeep.c: Likewise.
6573 * genrecog.c: Likewise.
6574 * mips-tfile.c: Likewise.
6575 * prefix.c: Likewise.
6576 * protoize.c: Likewise.
6577 * regmove.c: Likewise.
6578 * toplev.c: Likewise.
6581 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6583 * config/sparc/sparc.c (sparc_override_options): If not
6584 TARGET_FPU, turn off TARGET_VIS.
6585 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
6586 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
6587 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
6588 (movdi_insn_sp64): Add VIS fzero alternative.
6589 (clear_sf, clear_df): New VIS patterns.
6590 (movsf, movdf expanders): Allow fp_zero_operand flat out when
6592 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
6594 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
6596 * loop.c (n_times_set, n_times_used, may_not_optimize,
6597 reg_single_usage): Convert to varrays. All uses changed.
6598 (insert_loop_mem): Return a value.
6599 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
6600 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
6603 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
6606 * configure.in: Do not set thread_file to "irix" since no such
6609 * sparc.md (float abs/neg splits): Check reload_completed before
6610 calling alter_subreg.
6612 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6614 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
6616 * config/sparc/sparc.h: Declare it.
6617 * config/sparc/sparc.md (float abs/neg splits): Use it.
6618 (all other splits): Handle SUBREGs properly where necessary.
6619 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
6621 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
6623 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
6624 an insn on the unfilled_slots_list that has no delay slots.
6625 (fill_eager_delay_slots): Similarly.
6627 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
6629 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
6630 as an ordinary operand.
6632 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
6634 * tree.c (valid_machine_attribute): Don't apply attributes to both
6637 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
6639 * reload.c (operands_match_p): Handle rtvecs.
6641 * i386.c (legitimate_pic_address_disp_p): New.
6642 (legitimate_address_p): Use it.
6643 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
6644 Handle constant pool symbols just like statics.
6645 (emit_pic_move): Use Pmode not SImode for clarity.
6646 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
6647 [UNSPEC]: New, handling what we killed above.
6648 [PLUS]: Detect and abort on invalid symbol arithmetic.
6649 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
6651 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
6653 * alias.c: Include output.h.
6654 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
6655 different if we're in a varargs function.
6656 * Makefile.in (alias.o): Depend on output.h
6658 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6660 * sh.h (GIV_SORT_CRITERION): Delete.
6662 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
6664 * regclass.c (regclass): Use xmalloc/free instead of alloca.
6665 * stupid.c (stupid_life_analysis): Ditto.
6666 * reload1.c (reload): Ditto.
6668 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6670 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
6671 arith_double_4096_operand, arith_double_add_operand): New
6673 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
6674 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
6675 them to transform add/sub 4096 into add/sub -4096.
6677 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6679 * loop.c (scan_loop): Allocate some slop to handle pseudos
6680 generated by move_movables.
6681 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
6684 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
6686 * tree.def (DECL_RESULT): Correct documentation.
6688 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6690 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
6691 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
6692 conflicts will all RELOAD_FOR_OUTPUT reloads.
6694 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
6695 loads the function result, substitute with a USE.
6697 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6699 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
6700 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
6701 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
6702 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
6703 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
6704 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
6706 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
6707 'o' to 'm' for GPR variant constraints.
6709 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
6711 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
6713 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
6715 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
6716 when the source and destination overlap.
6718 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
6719 clash with global type.
6721 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
6723 * fixinc.irix: Add curses.h handling from fixinc.wrap.
6725 * c-common.c (combine_strings): Also set TREE_READONLY.
6726 Change warn_write_strings to flag_const_strings.
6727 * c-decl.c, c-tree.h: Likewise.
6729 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6731 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
6732 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
6733 sequence, use SET/IOR instead so CSE can see it.
6734 * config/sparc/sparc.md (movhi_const64_special,
6735 movsi_const64_special): New patterns necessitated by that change.
6736 (movhi_high): Remove.
6737 (movhi_lo_sum): Change to match an IOR.
6738 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
6739 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
6740 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
6741 (movdf splits): Allow when not V9 or when not ARCH64 and integer
6742 registers are involved.
6743 (snesi_zero_extend split): Remove reload_completed test.
6744 (unnamed plus and minus zero_extend sidi splits): Add it.
6746 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
6748 * extend.texi: Remove description of extension to explicit
6749 instantiation that is now endorsed by standard C++.
6751 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6753 * config/arc/arc.c (arc_initialize_pic): Remove.
6754 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
6755 nothing on any platform and is invoked by no-one, it does not even
6756 appear in the documentation.
6757 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
6758 * config/sparc/sparc.c (initialize_pic): Likewise.
6759 (find_addr_reg): Remove this as well, no longer referenced after
6762 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
6764 * recog.c (validate_replace_rtx_group): New function.
6765 * recog.h (validate_replace_rtx_group): Declare it.
6766 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
6767 the entire group of substitutions.
6769 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
6771 * loop.c (load_mems): Fix initializers.
6773 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6775 * config/sparc/sparc.md (TFmode splits): Handle destination
6776 registers being referenced in the address correctly.
6778 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
6779 TREE_UNSIGNED, when bitsize of type's mode is larger than
6780 HOST_BITS_PER_WIDE_INT.
6782 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6784 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
6785 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
6786 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
6788 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
6791 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
6793 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
6794 * h8300.h (TINY_DATA_NAME_P): Likewise.
6795 (STRIP_NAME_ENCODING): Handle '&'.
6797 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
6798 register (it could be accessed via an outer SUBREG).
6799 (REG_OK_FOR_BASE_P): Likewwise.
6800 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
6802 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
6805 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
6807 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6809 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
6810 must be offsettable so the splits can be made.
6812 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
6814 * config/i386/winnt.c: Include system.h, not stdio.h to get
6815 sys/param.h pulled in before rtl.h in case the system defines MIN
6818 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
6820 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
6822 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
6824 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
6826 * cpplib.c (cpp_define): Handle macros with parameters.
6828 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6830 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
6831 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
6832 and DImode 64-bit. Use llong for minimal-toc SFmode and
6833 SYMBOL_REF / LABEL_REF 64-bit.
6834 (output_function_profiler): Use llong for profiler label and ld to
6835 load 64-bit label address.
6837 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
6839 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
6842 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
6844 * version.c: Bump for snapshot.
6846 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
6848 * version.c: Bump for snapshot.
6850 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
6852 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
6854 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
6856 * tm.texi (Misc): Fix typo "teh".
6858 * tm.texi (PIC): Fix typo "PPIC".
6860 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
6861 effect when -O2 and higher.
6862 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
6864 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
6866 * regclass.c: Changed register set documentation to be consistent
6869 * final.c (final_start_function) Removed redundant test for
6872 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
6874 * rtl.h (rtx_function): New type.
6875 (for_each_rtx): New function.
6876 * rtlanal.c (for_each_rtx): Define it.
6878 * recog.c (change_t): New type.
6879 (change_objects, change_old_codes, change_locs, change_olds):
6881 (changes): New variable.
6882 (validate_change): Dynamically allocate room for more changes, if
6883 necessary. Uses changes array instead of change_objects, etc.
6884 (apply_change_group): Use changes array instead of
6885 change_objects, etc.
6887 * loop.c (loop_mem_info): New type.
6888 (loop_mems): New variable.
6889 (loop_mems_idx): Likewise.
6890 (looop_mems_allocated): Likewise.
6891 (scan_loop): Remove nregs parameter.
6892 (next_insn_in_loop): New function.
6893 (load_mems_and_recount_loop_regs_set): Likewise.
6894 (load_mems): Likewise.
6895 (insert_loop_mem): Likewise.
6896 (replace_loop_mem): Likewise.
6897 (replace_label): Likewise.
6898 (INSN_IN_RANGE_P): New macro.
6899 (loop_optimize): Don't pass max_reg_num() to scan_loop.
6900 (scan_loop): Remove nregs parameter, compute it after any new
6901 registers are created by load_mems. Use INSN_IN_RANGE_P and
6902 next_insn_in_loop rather than expanding them inline. Call
6903 load_mems to load memory into pseudos, if appropriate.
6904 (prescan_loop): Figure out whether or not there are jumps from the
6905 loop to targets other than the label immediately following the
6906 loop. Call insert_loop_mem to notice all the MEMs used in the
6907 loop, if it could be safe to pull MEMs into REGs for the duration
6909 (strength_reduce): Use next_insn_in_loop. Tweak comments.
6911 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
6913 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
6915 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6917 * config/sparc/sparc.c (finalize_pic): Check for the correct
6918 nonlocal_goto_receiver UNSPEC number.
6919 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
6920 making note of this dependency existing in sparc.c
6921 (negtf2_notv9 split): Give NEG SFmode.
6922 (negsf2): Fix insn output string.
6924 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
6926 * c-common.c (decl_attributes): Issue an error if the argument
6927 to alias is not a string.
6929 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
6931 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
6932 pending memory flush list.
6934 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
6936 (try_combine): Allow combining insns with REG_LIBCALL notes.
6938 * expr.c (emit_block_move): Do not call memcpy as a libcall
6939 instead build up a CALL_EXPR and call it like any other
6941 (clear_storage): Similarly for memset.
6943 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
6946 * Makefile.in (cplus-dem.o): Provide explicit rules for building
6949 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
6950 and REG_LIVE_LENGTH as successful substitutions are made.
6952 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6954 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
6955 statement after end of loop label.
6957 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6959 * config/sparc/sparc.c (ultra_types_avail): New variable.
6960 (ultra_build_types_avail): New function to record mask of insn
6961 types in ready list at this cycle.
6962 (ultrasparc_sched_reorder): Call it.
6963 (ultra_find_type): Use it to quicken the search. Also simplif
6964 dependency check, don't use rtx_equal_p because we know exactly
6965 what we are looking for.
6967 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
6969 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
6970 for architecture v4.
6972 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6974 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
6976 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
6977 movdf_const_intreg and helper splits): New patterns to move float
6978 constants into integer registers.
6979 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
6982 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
6985 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
6987 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
6989 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
6990 a BASE_REGS register is needed as an intermediate when copying
6991 a symbolic value into any register class other than BASE_REGS.
6993 * expr.c (move_by_pieces): No longer static. Remove prototype.
6994 * rtl.h (move_by_pieces): Add extern prototype.
6995 * mips.c (expand_block_move): Handle aligned straight line copy by
6996 calling move_by_pieces.
6998 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
7001 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
7003 * stmt.c (expand_end_loop): Tidy. Allow unconditional
7004 jumps out of the loop to be treated as part of the exit test.
7006 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7007 Jeff Law <law@cygnus.com>
7009 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
7010 * cplus-dem.c: Delete.
7012 * Makefile.in (fold-const.o): depend on $(RTL_H).
7014 * fold-const.c: Include rtl.h to get the prototype for
7015 `set_identifier_local_value'.
7017 * loop.c (express_from_1): Remove unused variable `tmp'.
7018 (combine_givs): cast the first argument of bzero to char *.
7020 * toplev.c (display_help): Remove unused variable `looking_for_start'.
7022 * c-decl.c (init_decl_processing): Remove unneeded &.
7024 * alpha.h (alpha_initialize_trampoline): Provide prototype.
7026 * except.c (set_exception_lang_code, set_exception_version_code):
7027 Change parameter from `short' to `int' to avoid using a gcc
7030 * except.h (set_exception_lang_code, set_exception_version_code):
7031 Likewise for prototypes.
7033 * flow.c (count_reg_references): Remove unused variables `regno'
7036 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
7038 * prefix.c (translate_name): Cast the result of `alloca'.
7040 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
7042 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7044 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
7046 (valid_dbcc_comparison_p): Mark mode argument as unused.
7047 (symbolic_operand): Likewise.
7048 (legitimize_pic_address): Likewise.
7049 (const_uint32_operand): Likewise.
7050 (const_sint32_operand): Likewise.
7051 * sched.c [!INSN_SCHEDULING]: Define only dummy function
7052 schedule_insns and comment out rest of file.
7054 * m68k.c (output_move_simode_const): Use subl to move a zero into an
7056 (output_move_[hq]imode): Likewise.
7058 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
7060 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
7061 * invoke.texi: Corresponding changes.
7063 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
7065 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
7067 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7069 * config/sparc/sparc.c (ultra_code_from_mask,
7070 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7071 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
7072 ultrasparc_sched_init, ultrasparc_variable_issue,
7073 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
7074 functions to describe UltraSPARC pipeline exactly to Haifa.
7075 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
7076 as there is nothing the scheduler can do about it. Indicate that
7077 REG_DEP_OUTPUT's collide. Fixup formatting.
7078 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
7079 divide costs on Ultra for DImode.
7080 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
7082 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
7083 ieuN and add call_no_delay_slot to type list.
7084 (cti function unit): New unit for branches on UltraSPARC.
7085 (subx/addx insns): Set type to misc.
7086 (sidi zero/sign extension insns on arch64): Set type to shift.
7087 (sign_extendhidi2_insn): Set type to sload.
7089 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
7091 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
7092 (output_epilog): Use if != 0 for offset.
7093 (rs6000_fatal_bad_address): Prepare for Intl.
7094 * rs6000.h (rs6000_fatal_bad_address): Declare.
7095 * rs6000.md (movsfcc, movdfcc): Use else if.
7096 (elf_high): Use {liu|lis}.
7097 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
7098 (movsi): Use rs6000_fatal_bad_address.
7100 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
7102 * reload.c (find_equiv_reg): Reject equivalences separated
7103 by a volatile instruction.
7105 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7107 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
7109 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
7111 * alpha.md (movsicc): Fix mode mismatch.
7113 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
7115 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
7117 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
7119 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7121 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
7122 write-only modifier from operand 1 constraint.
7124 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7126 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
7127 emitting a XOR of -1 at the end, emit a NOT instead for combine's
7129 (sparc_emit_set_const64): Likewise, also when computing trailing
7130 bits do not negate low_bits and make fast_int an int.
7132 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
7134 * loop.c (add_label_notes): Do not ignore references to labels
7135 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
7136 * gcse.c (add_label_notes): Similarly.
7138 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
7140 * m68k.md (adddi_dilshr32): One of the operands must be a register.
7141 (adddi_dishl32): Similarly.
7143 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
7145 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
7146 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
7147 * cse.c (cse_basic_block): Add parens to shut up warnings.
7149 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7151 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
7152 sparc_emit_set_const64_longway, const64_is_2insns,
7153 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
7154 in 64-bit constant formation.
7155 * config/sparc/sparc.md (snesi_zero_extend split): Generate
7156 rtl for addx not subx.
7157 (define_insn movdi_const64_special): Make available even when
7158 HOST_BITS_PER_WIDE_INT is not 64.
7159 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
7160 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
7161 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
7162 instances of operand 1 inside a QI subreg.
7163 (xordi3_sp64_dbl): Remove '%' constraint for op1.
7164 (one_cmpldi2_sp64): Fix output string.
7165 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
7167 (unnamed arch64 ashift DI): Truncate shift count if greater than
7170 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7172 * expr.c (store_expr): Don't optimize away load-store pair
7173 when either source or destination have a side effect.
7175 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
7177 * genrecog.c (add_to_sequence): Fatal error if the modes of the
7178 operands of SET are incompatible.
7180 * alpha.md: Fix max and min patterns so modes of SET operands match.
7182 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
7184 * configure.in: Avoid [[ by using test and changequote.
7185 * configure: Rebuild.
7187 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7189 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7191 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7192 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7193 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7194 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7195 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7196 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
7197 Fix mismatching modes in SET operands.
7198 (conditional move patterns): Fix formatting.
7199 (unnamed subx arch64 pattern): Remove duplicate insn.
7201 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7203 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7204 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
7205 (input_operand): Fixup test for what we accept for constant
7207 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
7209 (safe_constDI): Remove.
7210 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7211 gen_safe_XOR64): New functions.
7212 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
7213 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
7215 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
7216 available when HOST_BITS_PER_WIDE_INT is not 64.
7217 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
7218 move before movdi_insn_sp64 pattern.
7219 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
7220 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
7221 symbolic_operand as predicate for second operand.
7222 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
7223 expander): Give set VOIDmode.
7225 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
7227 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
7229 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
7231 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
7233 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
7235 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
7237 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
7239 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
7241 * install.texi: Various SCO OpenServer tweaks.
7243 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
7245 * reload1.c (eliminate_regs_in_insn): Handle another case when
7246 eliminating the frame pointer to the hard frame pointer. Add
7247 missing ep->to_rtx check to one existing case.
7249 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
7251 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7253 * tree.h: De-conditionalize init_priority code.
7255 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
7256 * collect2.c (NM_FLAGS): Change from -p to -n.
7258 * configure.in: Turn on collect2 for mipstx39-elf.
7259 Handle use_collect2=no properly.
7261 * c-common.c: De-conditionalize init_priority code.
7262 * collect2.c (extract_init_priority, sort_ids): New fns.
7263 (main): Call sort_ids.
7264 Move sequence_number to file scope.
7266 * configure.in: Handle --enable-init-priority.
7267 * c-common.c (attrs): Add A_INIT_PRIORITY.
7268 (init_attributes, decl_attributes): Likewise.
7269 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
7270 * tree.c (get_file_function_name_long): Split out...
7271 (get_file_function_name): ...from here.
7273 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
7275 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
7278 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
7280 * toplev.c (display_help): Add braces to shut up warnings.
7281 * tree.c (simple_cst_equal): Likewise.
7283 * fold-const.c (non_lvalue): Don't deal with null pointer
7285 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7287 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
7288 of any size to a pointer.
7290 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
7292 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
7294 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
7296 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
7297 which will be saved.
7298 * mn10300.md (prologue insn): Only save registers which need saving.
7299 (epilogue insn): Similarly.
7301 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
7304 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
7306 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
7307 VAR_DECL's in gp addressable sections.
7309 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
7311 * sparc.c: Change return <exp> to <exp>; return; in functions
7313 * sparc.md: Add empty semicolon statement after final label in
7316 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7318 * config/sparc/sparc.md (define_insn addx_extend): Rename to
7319 addx_extend_sp64, only allow when TARGET_ARCH64.
7320 (define_insn addx_extend_sp32 and split): Version that works when
7322 (define_insn subx_extend): Likewise.
7323 (define_split adddi3 and subdi3 with zero extension): Fixup and
7324 correct bugs when not TARGET_ARCH64.
7326 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
7328 * except.c (set_exception_lang_code, set_exception_version_code):
7329 Use prototype-style definition if __STDC__, to match declaration
7332 * genemit.c: Change FAIL and DONE macros not to use loops.
7334 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
7336 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
7337 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
7339 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
7341 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
7343 * README.g77: Update from Craig.
7345 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7347 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
7349 (safe_constDI sparc_emit_set_const64_quick1,
7350 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7351 analyze_64bit_constant, const64_is_2insns,
7352 create_simple_focus_bits): Fix some bugs when compiled on real
7354 (function_arg_record_value_3, function_arg_record_value_2,
7355 function_arg_record_value): Add fully prototyped forward decls.
7356 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
7357 to cmpsi_insn and use on both 64 and 32 bit targets.
7358 (define_insn cmpsi_insn_sp64): Remove.
7359 (define_expand zero_extendsidi2): Allow for 32-bit target too.
7360 (define_insn zero_extendsidi2_insn): Rename to
7361 zero_extendsidi2_insn_sp64.
7362 (define_insn zero_extendsidi2_insn_sp32): New pattern and
7363 assosciated forced split for it.
7365 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7367 * config/sparc/sparc.h: Declare them.
7368 (PREDICATE_CODES): Add them.
7369 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
7370 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
7372 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
7374 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
7375 in v9 case as the latter makes the Solaris assembler crash.
7377 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7379 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
7380 for TFmode when !v9. We require offsettable memory addresses.
7381 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
7382 DFmode register number conversions.
7383 * config/sparc/sparc.md (define_split DFmode moves): If register
7384 is a SUBREG do alter_subreg on it before using.
7385 (define_expand movtf): Fixup comment about alignment on v9.
7386 (define_split TFmode moves): Don't use gen_{high,low}part, create
7387 explicit SUBREGs instead.
7389 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
7391 * Makefile.in (mbchar.o): Depend on mbchar.c.
7393 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7394 Richard Henderson <rth@cygnus.com>
7396 Rewrite Sparc backend for better code generation and
7397 improved sparc64 support.
7398 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
7400 * config/sparc/sysv4.h: Likewise.
7401 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
7402 move_operand, v8plus_regcmp_op, emit_move_sequence,
7403 singlemove_string, doublemove_string, mem_aligned_8,
7404 output_move_double, output_move_quad, output_fp_move_double,
7405 move_quad_direction, output_fp_move_quad, output_scc_insn):
7407 (small_int_or_double): New predicate.
7408 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
7409 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
7410 old pic_{sethi,lo_sum}_si patterns.
7411 (mem_min_alignment): New generic function to replace
7412 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
7413 available and can test for arbitrary alignments. All callers
7415 (save_regs, restore_regs, build_big_number,
7416 output_function_prologue, output_cbranch, output_return,
7417 sparc_flat_save_restore, sparc_flat_output_function_prologue,
7418 sparc_flat_output_function_epilogue): Prettify
7420 (output_function_epilogue): Likewise and add code to output
7421 deferred case vectors.
7422 (output_v9branch): Likewise, add new arg INSN and use it to tack
7423 on branch prediction settings. All callers changed.
7424 (print_operand): Likewise and output %l44 for LO_SUMs when
7426 (sparc_splitdi_legitimate): New function to make sure DImode
7427 splits can be run properly when !arch64.
7428 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
7429 Reformat example code in comments.
7430 (set_extends): Remove UNSPEC/v8plus_clear_high case.
7431 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
7432 of deferred case vectors we need to output.
7433 (sparc_defer_case_vector): Record a case vector.
7434 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
7435 sparc_output_deferred_case_vectors): New functions to output them.
7436 (sparc_emit_set_const32): New function to form 32-bit constants in
7437 registers when that requires more than one instruction.
7438 (safe_constDI, sparc_emit_set_const64_quick1,
7439 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7440 analyze_64bit_constant, const64_is_2insns,
7441 create_simple_focus_bits, sparc_emit_set_const64): New functions
7442 which do the same for 64-bit constants when arch64.
7443 (sparc_emit_set_symbolic_const64): New function to emit address
7444 loading for all code models on v9.
7445 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
7446 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
7447 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
7448 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
7449 inaccuracies in comments, add symbolic and text_segment operands
7450 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
7451 GENERAL_REGS in these cases as a temp REG is needed to load these
7452 addresses into a register properly.
7453 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
7455 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
7456 quads are guarenteed to have 16-byte alignment.
7457 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
7458 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
7459 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
7460 deferred case vector implementation.
7461 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
7462 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
7463 Generate "internal label - label" instead of "label - 1b".
7464 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
7465 (PREDICATE_CODES): Remove sparc_operand, move_operand,
7466 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
7468 (doublemove_string, output_block_move, output_fp_move_double,
7469 output_fp_move_quad, output_move_double, output_move_quad,
7470 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
7471 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
7472 (sparc_emit_set_const32, sparc_emit_set_const64,
7473 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
7474 mem_min_alignment, small_int_or_double): Add externs.
7475 * config/sparc/sparc.md: Document the many uses of UNSPEC and
7476 UNSPEC_VOLATILE in this backend.
7477 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
7478 unary to types which execute in it.
7479 (define_function_unit ieu_shift): Rename to ieu0.
7480 (define_function_unit ieu1): New, executes compare, call, and
7481 uncond_branch type insns.
7482 (define_function_units for type fdivs, fdivd, fsqrt): These
7483 execute in the fpu multiply unit not the adder on UltraSparc.
7484 (define_expand cmpdi): Disallow TARGET_V8PLUS.
7485 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
7486 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
7487 allows the arith_double_operand predicate and rHI constraint when
7489 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
7490 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
7491 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
7492 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
7493 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
7494 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
7495 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
7496 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
7497 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
7498 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
7499 sign_extendqihi2_insn, sign_extendqisi2_insn,
7500 sign_extendqidi2_insn, sign_extendhidi2_insn,
7501 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
7502 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
7503 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
7504 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
7505 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
7506 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
7507 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
7508 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
7509 smulsi3_highpart_v8plus, unnamed subreg mult,
7510 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
7511 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
7512 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
7513 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
7514 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
7515 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
7516 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
7517 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
7518 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
7519 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
7520 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
7521 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
7522 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
7523 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
7524 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
7525 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
7526 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
7527 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
7528 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
7529 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
7530 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
7531 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
7532 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
7533 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
7534 call_address_untyped_struct_value_sp32,
7535 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
7536 call_value_symbolic_sp32, call_value_address_sp64,
7537 call_value_symbolic_sp64, branch_sp32, branch_sp64,
7538 flush_register_windows, goto_handler_and_restore,
7539 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
7540 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
7541 return_addsi, return_di, return_adddi, return_sf, all call+jump
7542 peepholes, trap, unnamed trap insns): Prettify output strings.
7543 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
7544 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
7545 Likewise and force + implement splits for integer cases.
7546 (define_insn return_sf_no_fpu): Likewise and allow to match when
7547 no-fpu because of our subreg SFmode splits.
7548 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
7549 zero_extendqidi2_insn, zero_extendhidi2_insn,
7550 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
7551 input_operand for second operand.
7552 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
7553 reg_or_0_operand for operand 2 so new splits can use it.
7554 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
7555 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
7557 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
7558 CONST_DOUBLEs for operand 2.
7559 (define_insn move_label_di): Likewise and label distance
7560 optimization because it no longer works with new deferred case
7561 vector scheme. To be revisited.
7562 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
7563 and allow reg_or_0_operand and J constraint for second operand.
7564 (define_insn jump): Set branch predict taken on V9.
7565 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
7566 new deferred case vector scheme.
7567 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
7568 (define_insn negdi2_sp32): Force + implement splits.
7569 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
7570 one_cmplsi2_not_liveg0 respectively, and create expander of original
7571 names which emit special rtl for TARGET_LIVE_G0.
7572 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
7573 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
7574 gen_compare_reg, FAIL instead.
7575 (define_insn sgtu, sleu): Likewise and check gen_s*() return
7576 values when trying to reverse condition codes, if they FAIL then
7578 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
7579 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
7580 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
7581 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
7582 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
7583 set output string to # to indicate they are mandatory splits.
7584 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
7585 pic_sethi_di, move_pic_label_si): Remove.
7586 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
7587 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
7589 (define_expand movsi_pic_label_ref, define_insn
7590 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
7591 expander and insns to handle PIC label references and deferred
7593 (define_insn get_pc_via_rdpc): Comment out as it is no longer
7595 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
7596 Rewrite to not use emit_move_sequence, make use of new constant
7597 formation code, and new splits for all multi-insn cases.
7598 (define_insn movqi_insn): Remove sethi case, it can never happen.
7599 Use reg_or_zero_operand instead of const0_rtx explicit test,
7600 use input_operand instead of move_operand for source, and use
7601 general_operand now for dest.
7602 (define_insn movhi_insn): Similar but leave sethi case.
7603 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
7604 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
7605 movhi_lo_sum respectively, prettify output string.
7606 (define_insn movsi_zero_liveg0): New pattern to put zero into a
7607 register when needed on TARGET_LIVE_G0.
7608 (define_insn movsi_insn): Use general_operand and input_operand
7609 for dest and src respectively. Simplify applicability test.
7610 Prettify output strings, and add clr alternative for J
7612 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
7613 deprecated std and reg-reg DI moves): Remove and...
7614 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
7615 implementation which uses forced splits for all non-single insn
7617 (define_split DI move cases on !arch64): New splits to handle all
7618 situations of 64-bit double register DImode on 32bit, and
7619 unaligned registers and memory addresses for all subtargets.
7620 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
7622 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
7623 input_operand for dest and src respectively, prettify output
7625 (define_insn movdf_insn, movdf_no_e_insn, store_df,
7626 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
7628 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
7629 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
7630 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
7631 movtf_no_e_insn_sp64) Replace with new
7632 implementation which uses forced splits for all non-single insn
7634 (define_split DF move cases): New splits in similar vein to DI
7636 (define_insn sethi_di_medlow, sethi_di_medium_pic,
7637 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
7638 movdi_sp64_insn): Remove old v9 code model and constant loading
7640 (define_insn pic_lo_sum_di, pic_sethi_di,
7641 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
7642 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
7643 embmedany_sethi, embmedany_losum, embmedany_brsum,
7644 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
7645 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
7646 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
7647 scheme, using unspecs, secondary reloads, and one to one sparc
7648 insn to rtl insn mapping for better scheduling and code gen.
7649 (define_expand reload_indi, reload_outdi): Reload helpers for
7650 MEDANY and EMBMEDANY symbol address loading cases which require a
7652 (define_expand movsicc): Remove v8plus_regcmp cases.
7653 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
7654 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
7655 cmp_diqi_trunc_set): New patterns used by some of the new scc
7657 (define_insn xordi3_sp64_dbl): New pattern used for constant
7658 formation when crossing from 32-bit targets.
7659 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
7661 (define_insn addx, subx): Make visible and prettify.
7662 (define_insn adddi3_insn_sp32): Likewise and force split.
7663 (define_insn addx_extend, subx_extend, unnamed): New patterns for
7664 64bit scc split usage.
7665 (define_insn unnamed plusDI zero_extend, unnamed minusDI
7666 zero_extend, subdi3): Force and implement splits.
7668 * final.c (final_scan_insn): Don't output labels if target
7669 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
7672 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
7673 don't forget to walk inside SEQUENCESs too as these are what the
7674 delay slot scheduler will create.
7676 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
7678 * alpha.md (extxl+1,+2): New patterns to work around
7681 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
7683 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
7684 caused bad assembly code to be generated.
7686 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
7688 * netbsd.h: Fix typo.
7690 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
7692 * config.sub: Fix typo.
7694 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
7696 * invoke.texi (Environment Variables): Typo: Change "ascpects"
7698 (Running Protoize): Typo: Change "ther" into "other".
7700 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
7702 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
7703 * m68k/netbsd.h: Likewise.
7704 * ns32k/netbsd.h: Likewise.
7705 * sparc/netbsd.h: Likewise.
7707 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
7709 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
7710 * ginclude/va-clipper.h (va_list): Likewise.
7712 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
7714 * rs6000.c (rs6000_override_options): If big endian and -Os, use
7715 load/store multiple instructions unless user overrides.
7717 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
7719 * ns32k/netbsd.h: Fix typo.
7721 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
7723 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
7724 labels with .debugsym if no parallel insns.
7726 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
7728 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
7729 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
7731 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
7733 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
7734 (AR_FOR_TARGET): Define.
7736 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
7738 * dyn-string.h: New file.
7739 * dyn-string.c: Likewise.
7740 * Makefile.in (OBJS): Add dyn-string.o.
7741 (dwarf2out.o): Add dyn-string.h dependency.
7742 (dyn-string.o): List dependencies.
7743 * dwarf2out.c: Include dyn-string.h.
7744 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
7745 (addr_const_to_string): Take a dyn_string_t, not a char* as a
7746 prototype. Use dyn_string_append rather than strcat, throughout.
7747 (addr_to_string): Use dyn_string_t.
7749 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
7751 Function entry/exit profiling instrumentation:
7752 * expr.h (profile_function_entry_libfunc,
7753 profile_function_exit_libfunc): Declare new variables.
7754 * optabs.c: Define them here.
7755 (init_optabs): Initialize them.
7756 * tree.h (struct tree_decl): New flag
7757 no_instrument_function_entry_exit.
7758 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
7759 * c-decl.c (duplicate_decls): Merge it.
7760 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
7761 (init_attributes): Use it for "no_instrument_function".
7762 (decl_attributes): Handle it, for functions that have not yet been
7763 compiled. Set decl flag.
7764 * flags.h (flag_instrument_function_entry_exit): Declare new
7766 * toplev.c (flag_instrument_function_entry_exit): Define it here.
7767 (f_options): New option "instrument-functions".
7768 * function.h (struct function): New field instrument_entry_exit.
7769 * function.c (current_function_instrument_entry_exit): New
7771 (push_function_context_to, pop_function_context_from): Save and
7773 (expand_function_start): Set current_ variable, maybe emit return
7774 label and entry profile call.
7775 (expand_function_end): Maybe emit exit profile call.
7777 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
7779 * i386.md (movqi): When optimizing a load of (const_int 1) into a
7780 NON_QI_REG_P, pretend the register is SImode.
7782 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
7784 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
7785 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
7786 manufacturer id for ns32k.
7787 * configure: Regenerated.
7788 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
7789 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
7790 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
7791 * config/m68k/netbsd.h: Same.
7792 * config/ns32k/netbsd.h: Same.
7793 * config/sparc/netbsd.h: Same.
7795 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
7797 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
7798 or UNROLL_COMPLETELY loop that starts with a jump to its
7801 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
7803 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
7804 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
7805 (print_operand, case 'B'): Don't fall through.
7806 (print_operand, case 'S'): Correct mask begin/end computation.
7807 Use HOST_BITS_PER_WIDE_INT.
7808 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
7809 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
7810 * rs6000/aix41.h (CPP_PREDEFINES): Same.
7811 * rs6000/aix43.h (CPP_PREDEFINES): Same.
7813 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
7815 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
7816 constraint from second alternative.
7818 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
7820 * configure.in: Fix --without/--disable cases for local-prefix,
7821 gxx-include-dir and checking.
7823 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7825 * configure.in (enable_haifa): Set by default for sparc64 too.
7828 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
7830 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
7831 * i386/winnt.c (associated_type): New fn.
7832 (i386_pe_valid_type_attribute_p): New fn.
7833 (i386_pe_check_vtable_importexport): Remove.
7834 (i386_pe_dllexport_p): Use associated_type.
7835 (i386_pe_dllimport_p): Likewise.
7837 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
7838 * i386.c (i386_valid_type_attribute_p): Also accept
7839 attributes for METHOD_TYPEs.
7841 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
7843 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
7845 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
7847 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
7849 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
7850 them from generating a new base name for each occurence of
7853 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
7855 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
7857 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
7861 * cplus-dem.c (type_kind_t): New type.
7862 (demangle_template_value_parm): Add type_kind_t parameter. Rely
7863 on this paramter, rather than demangling the type again.
7864 (demangle_integral_value): Pass tk_integral.
7865 (demangle_template_: Pass the value returned from do_type.
7866 (do_type): Return a type_kind_t. Pass tk_integral to
7867 demangle_template_value_parm for array bounds.
7868 (demangle_fund_type): Likewise.
7870 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
7872 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
7875 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
7877 * pa.c (move_operand): Accept CONSTANT_P_RTX.
7879 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
7881 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
7883 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
7886 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
7888 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
7889 (DEBUGGER_ARG_OFFSET): Likewise.
7891 * mn10300.md (movsf): Remove last change. Not needed.
7893 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
7895 * c-lex.c (yylex): Fix boundary conditions in character literal and
7896 string literal loops.
7898 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
7900 * longlong.h (count_leading_zeros): Sparclite scan instruction was
7901 being invoked incorrectly.
7903 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
7904 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
7906 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
7907 * configure.in: Added i[34567]86-*-win32
7908 * config.sub: Ditto.
7909 * configure: Rebuilt.
7911 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
7913 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
7914 the frame pointer and compiling PIC code and reload has not completed.
7916 * i386.c (output_to_reg): Add code to emulate non-popping DImode
7919 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
7921 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
7923 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7925 * Makefile.in (install-info): Only try to update the info
7926 directory file if it exists in the first place.
7928 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
7930 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
7932 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
7934 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
7935 CONST_DOUBLE source.
7937 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
7939 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
7940 strings as the insertion of USER_LABEL_PREFIX.
7941 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
7943 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
7946 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
7948 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
7949 already defined type.
7951 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
7953 * expr.c (check_max_integer_computation_mode): Allow conversions
7954 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
7955 (expand_expr): Likewise.
7957 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7959 * expr.c (expand_expr): Expand RETURN_EXPR.
7961 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
7963 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
7965 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
7967 * dwarf2out.c (output_aranges): Call stripattributes
7968 for TEXT_SECTION references.
7969 (output_line_info): Likewise.
7971 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7973 * profile.c (branch_prob): Call allocate_reg_info after outputting
7974 profile rtl in instrument_arcs.
7976 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
7978 * fixinc.irix (math.h): Install wrapper instead of copying.
7980 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7982 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
7983 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
7984 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
7985 lang_flag_0. Added documentation in the flag table.
7987 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
7989 * cccp.c (do_include): Fix vax c style include handling.
7991 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
7993 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
7995 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
7997 * fold-const.c (non_lvalue): Don't deal with null pointer
7999 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8001 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
8003 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
8004 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
8005 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
8006 (u_short_cint_operand): Same.
8007 (reg_or_cint_operand): Same.
8008 (logical_operand): Same.
8009 (input_operand): Same.
8010 (reg_or_short_operand): Use u_short_cint_operand.
8012 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
8014 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
8015 but keep the insns and splits. Adjust so when the ultimate destination
8016 is memory, use cvtql.
8018 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
8020 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
8022 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
8024 * gcc.c (do_spec): Call "error" not "warning".
8026 * configure.in: Fix minor problems with gas feature detection code.
8027 * configure: Rebuilt.
8029 * gcc.c (do_spec): Issue a warning for '%[]' usage.
8032 * gcc.c: Delete %[spec] support.
8033 (do_spec_1, case '('): Likewise.
8034 (do_spec_1, case '['): Call error.
8036 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
8038 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
8039 (CPP_SUBTARGET_SPEC): Default to empty string.
8040 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
8041 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
8042 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
8043 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
8045 * alpha/linux.h (CPP_PREDEFINES): Tidy.
8046 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
8047 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
8048 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
8049 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
8050 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
8051 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
8052 * alpha/vxworks.h: Likewise.
8054 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
8056 * mips.md (reload_outsi): Added missing REGNO call.
8057 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
8059 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
8060 another match_operator and compare the codes.
8062 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
8064 * MIPS multiply pattern fixes:
8065 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8066 Add union classes for HI, LO, or HILO plus general registers.
8067 (GENERATE_MADD): Deleted.
8068 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
8069 Add TARGET_MAD to condition.
8070 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
8071 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
8072 "*d" for accumulator, to give preference to LO initially but not
8075 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
8077 * configure.in (enable_c_mbchar): New configure option.
8078 (extra_cpp_objs): Always available now.
8080 * cexp.y (mbchar.h): #include it.
8081 (yylex): Handle Multibyte characters in character literals.
8083 * cccp.c (mbchar.h): #include it.
8084 (main): Set character set based on LANG environment variable.
8085 (rescan): Handle multibyte characters in comments.
8086 (skip_if_group): See above.
8087 (validate_else): See above.
8088 (skip_to_end_of_comment): See above.
8089 (macarg1): See above.
8090 (discard_comments): See above.
8091 (rescan): Handle multibyte characters in string and character literals.
8092 (collect_expansion): See above.
8093 (skip_quoted_string): See above.
8094 (macroexpand): See above.
8095 (macarg1): See above.
8096 (discard_comments): See above.
8097 (change_newlines): See above.
8099 * c-lex.c (mbchar.h): #include it.
8100 (GET_ENVIRONMENT): New macro.
8101 (init_lex): Set character set based on LANG environment variable.
8102 (yylex): Handle multibyte characters in character literals.
8103 (yylex): Handle multibyte characters in string literals.
8105 * Makefile.in (mbchar.o): New target.
8106 (cccp$(exeext)): @extra_cpp_objs@ is always available.
8107 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
8109 * mbchar.[ch]: New files for multibyte character handling.
8111 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8113 * jump.c (jump_optimize): When simplifying noop moves and
8114 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
8115 the PUSHes to rewrite in second loop as we did in the first.
8117 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8119 * cplus-dem.c (demangle_nested_args): Make function definition
8120 static to match the prototype.
8122 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
8124 * alloca.c: Respect USE_C_ALLOCA.
8125 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
8126 * gengenrtl.c (xmalloc): Likewise.
8128 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
8130 * loop.h (struct induction): Add no_const_addval.
8131 * loop.c (the_movables, reg_address_cost): New variables.
8132 (init_loop): Init reg_address_cost.
8133 (loop_optimize): Call end_alias_analysis.
8134 (scan_loop): Init the_movables.
8135 (record_giv): Init induction->no_const_addval.
8136 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
8137 [REG]: Rearrange loop search test to catch more cases.
8138 (general_induction_var): Return success not benefit; take an extra
8139 argument for that. Change all callers.
8140 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
8141 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
8142 [default]: Search the_movables for additional combinations.
8143 (sge_plus_constant, sge_plus): New functions.
8144 (express_from_1): New function.
8145 (express_from): Always define. Rewrite using express_from_1.
8146 (combine_givs_p): Handle more cases. Ignore address cost.
8147 (cmp_combine_givs_stats): New function.
8148 (combine_givs_used_once, combine_givs_benefit_from): New functions.
8149 (combine_givs): Rewrite to do best-fit combination.
8151 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
8152 (fold): Do a complete (A*C)+(B*C) association check.
8154 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
8156 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
8158 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
8160 * mn10300.c (MODES_TIEABLE_P): Fix typo.
8162 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
8164 * tree.c (valid_machine_attribute): Only create a new type variant if
8165 there is a decl to use it.
8167 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
8169 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
8172 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
8174 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
8177 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
8179 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
8180 Simplify tests for clearing an address register.
8181 (expand_prologue): Corresponding changes.
8183 * mn10300.md (movXX patterns): Make sure the destination is an
8184 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
8185 (logical patterns): Split into expanders + patterns
8186 (zero and sign extension patterns): Similarly.
8187 (shift patterns): Similarly.
8189 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8191 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8192 for the sequence, recording base values.
8194 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8196 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
8198 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
8200 * gcc.c: Remove ANSI-C ism from --help code.
8202 * toplev.c: Support --help with USE_CPPLIB.
8204 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
8206 * configure.in: Rework gas feature code to work with symlink based
8209 * extend.texi: Clarify some issues related to local variables
8210 assigned to explicit registers.
8212 * mn10300.md (mulsi): Turn into expander + pattern.
8214 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
8217 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
8219 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
8221 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
8223 * version.c: Bump again to distinguish mainline tree from the
8226 See ChangeLog.0 for earlier changes.
8229 add-log-time-format: current-time-string
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