1 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
5 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
7 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
8 (ALL_CFLAGS): Delete SCHED_CFLAGS.
10 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
12 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
14 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
16 * toplev.c (main): Disable optimize_size if a specific
17 optimization level is requested. Always set optimization
18 level to 2 if -Os is specified.
20 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
22 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
24 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
25 initialize it using fname.
27 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
29 * cpplib.c (do_include): Treat #include_next in the
30 primary source file as #include plus warning. Treat
31 #include_next in a file included by absolute path as an
32 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
34 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
36 * cccp.c: Don't define MIN/MAX anymore.
38 * machmode.h: Likewise.
39 * system.h: Provide definitions for MIN/MAX.
41 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
43 * fix-header.c: Don't define xstrdup here.
45 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
47 * loop.c (consec_sets_giv): New argument last_consec_insn.
48 (strength_reduce): Provide / use it.
50 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
52 * loop.h (loop_info): New field 'vtop'.
53 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
54 scanning loop for vtop.
55 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
56 (loop_iterations): Use them to determine if loop has a constant
57 number of iterations. Set loop_info->vtop. Don't subtract
58 common reg term from initial_value and final_value if have a
61 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
63 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
65 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
67 * mn10200.md (abssf2, negsf2): New expanders.
69 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
71 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
73 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
74 replaced by a CONCAT whoes components do not have the same
75 mode as the original SUBREG, use a new SUBREG to restore the
78 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
79 multiword complex values.
81 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
83 * cppalloc.c: Add xstrdup here.
84 * cpplib.h: Remove savestring prototype.
85 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
87 * cppfiles.c: s/savestring/xstrdup/ throughout.
89 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
91 * cpplib.c: Make all directive handlers read their own
93 (struct directive): Remove last two arguments from FUNC
94 member prototype. Remove `command_reads_line' member
96 (directive_table): Remove initializations of
97 command_reads_line flag. Pretty-print.
98 (eval_if_expression, do_define, do_line, do_include,
99 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
100 do_else, do_elif, do_sccs, do_assert, do_unassert,
101 do_warning): Take only two args.
103 (cpp_define): Call do_define with two args and the text to
104 define stuffed into a buffer.
105 (make_assertion): Call do_assert with two args.
106 (handle_directive): Call do_line with two args. Call
107 kt->func with two args. Remove command_reads_line
109 (do_define, do_undef, do_error, do_warning, do_pragma,
110 do_sccs): Read the rest of the line here.
111 (do_ident): Gobble rest of line, as cccp does.
112 (cpp_undef): New function.
113 (cpp_start_read): Call cpp_undef instead of do_undef.
115 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
117 * cpphash.h (union hash_value): Remove `keydef' member, add a
118 `struct hashnode *aschain' member for #assert.
120 * cpplib.c (struct tokenlist_list, struct
121 assertion_hashnode): Delete structure definitions.
122 (assertion_install, assertion_lookup, delete_assertion,
123 check_assertion, compare_token_lists, reverse_token_list,
124 read_token_list, free_token_list): Delete functions.
125 (parse_assertion): New function.
126 (cpp_cleanup): Don't destroy the assertion_hashtable.
128 (do_assert): Gut and rewrite. #assert foo (bar) places
129 entries for `#foo' and `#foo(bar)' in the macro hash table,
130 type T_ASSERT. The value union's `aschain' member is used
131 to chain all answers for a given predicate together.
132 (do_unassert): Also rewritten. Take an un-asserted
133 answer off the chain from its predicate and call
134 delete_macro on the hashnode, or walk a predicate chain
135 calling delete_macro on all the entries.
136 (cpp_read_check_assertion): Simply call parse_assertion to
137 get the canonical assertion name, and look that up in the
140 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
143 * cpphash.c (install): Use bcopy instead of an explicit loop
144 to copy the macro name.
146 * cppexp.c (cpp_lex): Convert the result of
147 cpp_read_check_assertion to a `struct operation' directly;
148 don't go through parse_number.
150 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
152 * loop.h (struct induction): Delete times_used member.
153 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
154 (n_times_used): Rename to n_times_set. Changed all users.
155 (scan_loop): Free reg_single_usage before strength reduction.
156 (record_giv, combine_givs): Remove handling of times_used member.
157 (combine_givs_used_once): Rename to:
158 (combine_givs_used_by_other) . Changed all callers.
160 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
162 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
163 instead of TREE_CODE_CLASS == 't'.
164 (gen_type_die): Likewise.
165 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
167 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
169 * real.c (endian): Disable last change unless
170 HOST_BITS_PER_WIDE_INT is greater than 32.
172 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
174 * output.h (force_data_section): New prototype.
175 * varasm.c (force_data_section): New function to force the
176 data section, regardless of what in_section thinks.
177 * dwarf2out.c (output_call_frame_info): Call force_data_section
178 since varasm may not realize we've changes sections.
180 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
182 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
183 after completeing reload.
185 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
186 deleted after reload.
188 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
190 * rtl.h (multiple_sets): Fix prototype.
191 * rtlanal.c (multiple_sets): Fix return type.
193 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
195 * version.c: Bump for snapshot.
197 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
199 * version.c: Bump for snapshot.
201 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
203 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
205 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
207 * rtl.h (recompute_reg_usage): Add second argument.
208 * flow.c (recompute_reg_usage): Likewise.
209 * toplev.c (rest_of_compilation): Supply second argument to
212 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
215 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
217 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
218 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
219 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
222 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
224 * rtlanal.c (multiple_sets): New function.
225 * rtl.h (multiple_sets): Declare it.
226 * local-alloc.c (wipe_dead_reg): Use it.
227 * global.c (global_conflicts): Likewise.
229 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
231 * global.c (record_conflicts): Don't use an array of shorts to
232 store an array of ints.
233 (global_conflicts): Likewise.
235 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
237 * alpha.c (alpha_expand_block_move): mode_for_size expects
238 bits, not bytes. Infer extra alignment from addressof.
240 1998-12-11 Michael Meissner <meissner@cygnus.com>
242 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
243 .sbss section, not .sdata.
245 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
247 * cccp.c: Do not #include <sys/stat.h> here; this is already done
249 * collect2.c: Likewise.
250 * cpplib.h: Likewise.
253 * getpwd.c: Likewise.
254 * protoize.c: Likewise.
255 * toplev.c: Likewise.
257 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
258 and don't try to define it here.
259 * Makefile.in (cppmain.o): Depend on machmode.h.
260 (cpplib.o): Likewise.
261 (cpperror.o): Likewise.
262 (cppexp.o): Likewise.
263 (cppfiles.o): Likewise.
264 (cpphash.o): Likewise.
265 (cppalloc.o): Likewise.
266 (fix-header.o): Likewise.
267 (scan-decls.o): Likewise.
269 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
271 * sh.c (print_operand): lookup interrupt_handler attribute instead
272 of relying on static variable.
273 * (calc_live_regs): Likewise.
274 * (sh_pragma_insert_attributes): Create interrupt_handler
275 attribute if a pragma was specified
276 * (sh_valid_machine_decl_attribute): Don't set static flag.
277 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
279 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
281 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
282 to determine if a register is live at a jump destination.
283 Everything is dead at a BARRIER.
285 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
287 * cse.c (simplify_unary_operation): Sign-extend constants when
288 they have the most significant bit set for the target.
289 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
291 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
292 HOST_WIDE_INT temporary before negating it.
293 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
295 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
297 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
300 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
302 * collect2.h: New header file for prototypes.
304 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
306 * collect2.c: Include collect2.h.
309 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
311 * flow.c: Update some comments.
313 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
315 * objc/objc-act.c (cpp_initialized): Removed.
316 (lang_init_options): Initialize cpplib.
317 (lang_decode_option): Move initialization of cpplib to
319 * c-lang.c: (parse_options,parse_in): Added.
320 (lang_init_options): Initialized cpplib here.
321 * c-decl.c (parse_options,cpp_initialized): Removed.
322 (c_decode_option): Move initialization of cpplib to
325 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
327 * reload1.c (reload_combine, reload_combine_note_store):
328 Make STORE_RUID always valid.
329 (reload_combine): Check if BASE is clobbered too early.
331 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
333 * reload.c (find_reloads): Display the insn that cannot be
336 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
338 * cccp.c (create_definition): Fix end of bufer logic.
340 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
342 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
343 pointer parameters changed to use the PARAMS() macro.
345 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
347 * except.h (struct handler_info): Add handler_number field.
348 * except.c (gen_exception_label): EH labels no longer need to be
349 on the permanent obstack.
350 (get_new_handler): Set the label number field.
351 (output_exception_table_entry): Regenerate handler label reference
352 from the label number field.
353 (init_eh): Remove a blank line.
354 * integrate.c (get_label_from_map): Labels no longer need to be
355 on the permanent obstack.
357 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
359 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
360 only when OUTER_CODE is SET.
362 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
364 * loop.c (strength_reduce): If scan_start points to the loop exit
365 test, be wary of subversive use of gotos inside expression statements.
366 Don't set maybe_multiple for a backward jump that does not
367 include the label under consideration into its range.
368 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
370 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
372 * explow.c (plus_constant_wide): Don't immediately return with
373 result of recursive call.
375 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
377 * eh-common.h (struct eh_context): Add table_index for rethrows.
379 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
380 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
381 processed when inlined or unrolled (ie duplicated in some way).
383 * rtl.c (reg_note_name): Add strings for new reg_note enums.
385 * expr.h (rethrow_libfunc): New library decl.
387 * optabs.c (rethrow_libfunc): Initialize.
389 * except.h (struct eh_entry): Add new field 'rethrow_label'.
390 (new_eh_region_entry): No longer exported from except.c.
391 (duplicate_handlers): Renamed to duplicate_eh_handlers and
393 (rethrow_symbol_map, rethrow_used): New exported functions.
394 (eh_region_from_symbol): New exported function.
396 * except.c (create_rethrow_ref): New function to create a single
397 SYMBOL_REF for a rethrow region.
398 (push_eh_entry): Initialize a rethrow ref.
399 (func_eh_entry): Add a rethrow_label field.
400 (new_eh_region_entry): Make static, and initialize the rethrow entry.
401 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
402 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
403 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
404 a region into an appropriate new symbol.
405 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
406 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
407 (end_catch_handler): Emit a barrier for new-exceptions since
408 control can never drop through the end of a catch block.
409 (expand_end_all_catch): new-exceptions never fall through a catch
411 (expand_rethrow): use __rethrow routine for new exceptions.
412 (output_exception_table_entry): Generate rethrow labels, if needed.
413 (output_exception_table): Generate start and end rethrow labels.
414 (init_eh): Create rethrow symbols for beginning and end of table.
415 (scan_region): Don't eliminate EH regions which are the targets of
418 * flow.c (make_edges): Add different edges for rethrow calls,
419 identified by having the REG_EH_RETHROW reg label.
420 (delete_unreachable_blocks): Don't delete regions markers which are
421 the target of a rethrow.
423 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
424 allow save_for_inline_copying to call duplicate_eh_handlers.
425 (save_for_inline_copying): Call duplicate_eh_handlers instead of
426 exposing internal details of exception regions.
427 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
428 (expand_inline_function_eh_labelmap): New callback routine to
429 allow expand_inline_function to call duplicate_eh_handlers.
430 (expand_inline_function): Call duplicate_eh_handlers instead of
431 exposing internal details of exception regions.
432 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
435 * libgcc2.c (find_exception_handler): Generalize to enable it to
436 pick up processing where it left off last time for a rethrow.
437 (__unwinding_cleanup): New function. debug hook which is called before
438 unwinding when __throw finds there is nothing but cleanups left.
439 (throw_helper): Common parts of __throw extracted out for reuse.
440 (__throw): Common parts moved to throw_helper.
441 (__rethrow): New function for performing rethrows.
443 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
445 * reload1.c (current_function_decl): Tweak declaration.
447 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
449 * c-decl.c (flag_isoc9x): Default off.
450 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
451 * cccp.c (print_help, main): Likewise.
452 * gcc.c (default_compilers): Update for -std=gnu*.
454 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
456 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
457 * demangle.h: Deleted.
459 * reload1.c (current_function_decl): Declare.
461 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
463 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
465 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
467 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
469 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
471 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
473 * configure: Rebuilt.
474 * system.h: If the *_unlocked functions are available use them
475 instead of the locked counterparts by defining macros.
476 * config.in: Regenerated.
478 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
480 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
481 wrong and should only be used for dump related things, not
482 debugging information, instead main_input_filename should be used.
483 Also, reuse output_file_directive if possible.
484 * i386/aix386ng.h (ASM_FILE_START): Likewise.
485 * i386/isc.h (ASM_FILE_START): Likewise.
486 * i386/win-nt.h (ASM_FILE_START): Likewise.
487 * i386/sun386.h (ASM_FILE_START): Likewise.
489 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
491 * configure.in (mips*-*-linux*): Handle big and little endian
493 * configure: Rebuilt.
495 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
497 * emit-rtl.c: Fix typo.
499 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
501 * reload1.c (eliminate_regs): Don't do anything, if we're not
504 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
506 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
508 * mips/mips.c (mips_select_section): Add comment.
510 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
512 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
513 characters in file names in #line to be consistent with #include
514 handling. We support escape prcessing in the # 1 "..." version of
515 the command. See also support in cp/lex.c.
516 (handle_directive): Likewise.
519 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
521 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
522 so it'll work on non-ASCII platforms. Always consider $ an
523 identifier character. Take no arguments.
524 (cpp_reader_init): Call initialize_char_syntax with no
526 (cpp_start_read): Don't call initialize_char_syntax again.
527 Clear is_idchar['$'] and is_idstart['$'] if not
528 opts->dollars_in_ident.
530 * cpplib.h (struct cpp_reader): Replace void *data element by
531 cpp_options *opts. Rearrange elements to make gdb printout
532 less annoying (put buffer stack at end).
533 (CPP_OPTIONS): Get rid of now-unnecessary cast.
535 * cppmain.c: s/data/opts/ when initializing cpp_reader
537 * c-decl.c: Likewise.
538 * objc/objc-act.c: Likewise.
539 * fix-header.c: Likewise.
541 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
543 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
544 with a struct file_name_list pointer.
545 (struct cpp_reader): Add pointer to chain of `actual
546 directory' include searchpath entries.
547 (struct file_name_list): Add *alloc pointer for the sake of
548 the actual-directory chain.
550 Move definition of HOST_WIDE_INT here.
551 (cpp_parse_escape): Change prototype to match changes in
554 * cppfiles.c (actual_directory): New function.
555 (finclude): Use it to initialize the buffer's actual_dir
557 (find_include_file): We don't need to fix up max_include_len
560 * cpplib.c (do_include): Don't allocate a file_name_list on
561 the fly for current directory "" includes, use the one that's
562 been preallocated in pfile->buffer->actual_dir. Hoist out
563 duplicate code from the search_start selection logic.
564 (cpp_reader_init): Initialize pfile->actual_dirs.
566 Remove definition of HOST_WIDE_INT. Change calls
567 to cpp_parse_escape to match changes in cppexp.c (note
568 hardcoded MASK, which is safe since this is the source
571 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
572 to handle wide character constants in #if directives. The
573 function now returns a HOST_WIDE_INT, and takes a third
574 argument which is a binary mask for all legal values (0x00ff
575 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
576 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
577 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
579 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
581 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
583 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
585 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
586 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
587 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
589 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
591 * final.c (output_asm_name): Use tabs to seperate comments from
594 Include instruction lengths (if defined) in output.
596 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
598 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
599 in the loop_info structure.
601 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
603 * configure.in: (arm*-*-ecos-elf): New target.
604 * configure: Regenerated.
605 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
606 * config/arm/ecos-elf.h: New file.
607 * config/arm/unknown-elf.h (TARGET_VERSION): Check
610 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
612 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
614 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
616 * version.c: Bump for snapshot.
618 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
620 * loop.c (check_dbra_loop): New argument loop_info. Update fields
623 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
625 * version.c: Bump for snapshot.
627 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
629 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
630 compressed reports are ok and preferred over URLs
632 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
634 * invoke.texi (Warning Options): Soften the tone of -pedantic
636 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
638 * print-rtl.c (print_rtx): Add prototype.
640 * unroll.c (iteration_info): Make it static.
642 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
644 * alias.c (memrefs_conflict_p): A second ANDed address
645 disables the aligned address optimization.
647 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
649 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
652 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
654 * i960.h (BOOL_TYPE_SIZE): Define.
656 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
658 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
659 from old valid_parallel_operands_4.
660 (valid_parallel_operands_4): Check that operands for 4 operand
661 parallel insns are valid, excluding load/store insns.
662 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
663 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
664 valid_parallel_load_store instead of valid_parallel_operands_4.
665 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
666 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
667 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
668 *notqi_movqi_clobber): Use valid_parallel_operands_4.
669 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
670 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
671 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
673 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
675 * config/c4x/c4x.c (iteration_info): Delete extern.
677 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
679 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
681 * final.c (cleanup_subreg_operands): Delete some unused code.
683 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
684 (struct insn_alternative): New structure definition.
685 (recog_op_alt): Declare variable.
686 (preprocess_constraints): Declare function.
687 * recog.c (recog_op_alt): New variable.
688 (extract_insn): Verify number of alternatives is in range.
689 (preprocess_constraints): New function.
690 * reg-stack.c: Include recog.h.
691 (constrain_asm_operands): Delete.
692 (get_asm_operand_lengths): Delete.
693 (get_asm_operand_n_inputs): New function.
694 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
695 N_OUTPUTS args. All callers changed.
696 Compute number of inputs and outputs here by calling
697 get_asm_operand_n_inputs.
698 Instead of constrain_asm_operands, call extract_insn,
699 constrain_operands and preprocess_constaints. Use information
700 computed by these functions throughout.
701 (record_reg_life): Delete code that is unused due to changes in
703 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
704 N_INPUTS and N_OUTPUTS args. All callers changed.
705 Similar changes as in record_asm_reg_life.
706 (subst_stack_regs): Move n_operands declaration into the if statement
708 Delete code that is unused due to changes in subst_asm_stack_regs.
709 * stmt.c (expand_asm_operands): Verify number of alternatives is in
711 * Makefile.in (reg-stack.o): Depend on recog.h.
713 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
715 * except.c (set_exception_version_code): Argument is an "int".
717 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
719 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
720 * configure: Rebuilt.
722 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
724 * configure.in (mipsel-*-linux*): New target.
725 * mips/linux.h: New file, based on other Linux targets.
727 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
729 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
730 runs in the context of the deleter, not the deletee, so we must
731 use taskVarGet to find the correct memory to free.
732 (__gthread_key_create): Initialize the task
733 variable subsystem so that the task variable is still active when
734 the delete hook is run.
736 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
738 * pdp11.h: Use optimize_size for space optimizations.
740 * pdp11.md: Likewise.
742 * pdp11.h (TARGET_40_PLUS): Fix typo.
744 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
746 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
749 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
751 * alias.c (addr_side_effect_eval): New function.
752 (memrefs_conflict_p): Use it.
753 * rtl.h (addr_side_effect_eval): Prototype it.
755 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
757 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
759 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
761 * reload.c (find_reloads): When force const to memory, put result
762 in substed_operand not *recog_operand_loc.
764 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
766 * c-lex.c: Fix indentation from last patch.
767 Remove trailing whitespace.
770 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
772 * flow.c (delete_block): Call set_last_insn after we have reset
773 NEXT_INSN (kept_tail).
775 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
777 * mips.md (trap_if): Use "$0" for the value zero.
779 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
780 Stephen L Moshier <moshier@world.std.com>
781 Richard Henderson <rth@cygnus.com>
783 * c-common.c (declare_function_name): Declare predefinied variable
786 * c-decl.c (flag_isoc9x): Set to 1 by default.
787 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
788 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
790 * c-parse.in: Allow constructors in ISO C 9x.
791 Rewrite designator list handling.
792 Allow [*] parameters.
793 Don't warn about comma at end of enum definition for ISO C 9x.
795 * cccp.c (c9x): New variable.
796 (rest_extension): New variable.
797 (print_help): Document new -std= option.
798 (main): Recognize -std= option. Set c9x appropriately.
799 (create_definition): Recognize ISO C 9x vararg macros.
801 * gcc.c (default_compilers): Adjust specs for -std options.
802 (option_map): Add --std.
803 (display_help): Document -std.
805 * toplev.c (documented_lang_options): Add -std and remove
808 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
809 or REAL_VALUE_HTOF based on base of the constants.
810 * fold-const.c (real_hex_to_f): New function. Replacement function
811 for hex FP conversion if REAL_ARITHMETIC is not defined.
812 * real.c (asctoeg): Add handling of hex FP constants.
813 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
816 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
818 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
819 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
820 expansion. Use hi/lo as destination register.
822 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
823 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
824 Avoid as macro expansion. Use hi/lo as destination register.
826 * mips.h (MASK_CHECK_RANGE_DIV): New.
827 (MASK_NO_CHECK_ZERO_DIV): New.
828 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
829 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
830 return address for leaf functions out of r31 to support
831 builtin_return_address.
833 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
835 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
836 NEXT_INSN(x) to check insn x.
838 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
840 * flow.c (delete_block): Call set_last_insn if we end up deleting the
841 last insn in the rtl chain.
843 * reload1.c (reload): Do not set reload_completed or split insns
845 * toplev.c (rest_of_compilation): Set reload_completed after
846 reload returns. Split insns after reload_cse has run.
848 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
850 * final.c (final_scan_insn): Abort if block_depth falls below 0.
852 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
854 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
856 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
858 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
859 use of user-label_prefix.
861 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
863 * reload1.c (emit_reload_insns): Clear spill_reg_store
864 when doing a new non-inherited reload from the same pseudo.
866 * local-alloc.c (function_invariant_p): New function.
867 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
868 to decide if an equivalence should be recorded.
869 * reload1.c (num_eliminable_invariants): New static variable.
870 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
871 to decide if an equivalence should be recorded.
873 (calculate_needs_all_insns): Skip insns that only set an equivalence.
874 Take num_eliminable_invariants into account when deciding
875 if register elimination should be done.
876 (reload_as_needed): Take num_eliminable_invariants into account
877 when deciding if register elimination should be done.
878 (eliminate_regs): Handle non-constant reg_equiv_constant.
879 * rtl.h (function_invariant_p): Declare.
881 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
883 * version.c: Bump for snapshot.
885 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
887 * version.c: Bump for snapshot.
889 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
891 * except.c (add_new_handler): Complain about additional handlers
892 after one that catches everything.
894 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
896 * configure.in (alpha*-*-netbsd): Fix typo.
897 * configure: Rebuilt.
899 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
901 * system.h: Include libiberty.h.
903 * c-aux-info.c: Remove prototypes for concat/concat3. Change
904 function `concat' from fixed parameters to variable parameters,
905 as is done in libiberty. All callers of concat/concat3
906 changed to use the new `concat' with variable args.
908 * cccp.c: Remove things made redundant by libiberty.h and/or
909 conform to libiberty standards.
911 * collect2.c: Likewise.
912 * config/1750a/1750a.h: Likewise.
913 * cppalloc.c: Likewise.
914 * cppexp.c: Likewise.
915 * cppfiles.c: Likewise.
916 * cpphash.c: Likewise.
917 * cpplib.c: Likewise.
918 * dyn-string.c: Likewise.
919 * fix-header.c: Likewise.
922 * genattr.c: Likewise.
923 * genattrtab.c: Likewise.
924 * gencheck.c: Likewise.
925 * gencodes.c: Likewise.
926 * genconfig.c: Likewise.
927 * genemit.c: Likewise.
928 * genextract.c: Likewise.
929 * genflags.c: Likewise.
930 * gengenrtl.c: Likewise.
931 * genopinit.c: Likewise.
932 * genoutput.c: Likewise.
933 * genpeep.c: Likewise.
934 * genrecog.c: Likewise.
935 * getpwd.c: Likewise.
936 * halfpic.c: Likewise.
938 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
939 in NEED_DECLARATION_* macros.
941 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
942 conform to libiberty standards.
943 (fatal): Fix const-ification of variable `format' in
944 !ANSI_PROTOTYPES case.
946 * prefix.c: Remove things made redundant by libiberty.h and/or
947 conform to libiberty standards.
949 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
950 conflicting with function `spaces' from libiberty.
952 * profile.c: Remove things made redundant by libiberty.h and/or
953 conform to libiberty standards.
954 * protoize.c: Likewise.
958 * toplev.c: Likewise.
959 * toplev.h: Likewise.
962 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
964 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
966 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
968 * README.C4X: Updated URLs.
969 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
970 (valid_parallel_operands_5): Remove unused variable.
972 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
974 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
976 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
978 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
979 which can be configured.
980 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
981 (Makefile): Pass actual LANGUAGES through the environment when
983 (cstamp-h): Likewise.
984 (config.status): Likewise.
986 * configure.in (enable_languages): Add new configuration parameter
987 "--enable-languages=lang1,lang2,...".
988 (${srcdir}/*/config-lang.in): Change handling to configure only
989 those directories, that the user might have enabled; default to
990 "all" existing languages.
991 * configure: Regenerate.
993 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
995 * rtlanal.c (regs_set_between_p): New function.
996 * rtl.h (regs_set_between_p): Prototype it.
997 * jump.c (jump_optimize): Use it instead of modified_between_p
1000 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
1001 Matthias Pfaller <leo@dachau.marco.de>
1003 * invoke.texi (Option Summary, NS32K Options): add description
1004 of NS32K specific options.
1006 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
1007 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
1008 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
1009 negdf2, absdf2): Use l instead of f since the double class and
1010 float class are no longer the same.
1011 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
1012 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
1013 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
1014 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
1016 (cmpsi, cmphi, cmpqi): use general_operand instead of
1017 non_immediate_operand. Removes erroneous assumption that can't
1019 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
1020 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
1022 (movstrsi, movstrsi1, movstrsi2): completely new block move
1024 (...): Patterns to exploit multiply-add instructions.
1025 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
1026 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
1027 patterns to exploit extended divide insns.
1028 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
1031 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
1032 float return values as well as simple scalar floats.
1033 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
1034 support new flag to denote 32381 fpu.
1035 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
1036 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
1038 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1039 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
1040 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
1041 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
1042 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
1043 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
1044 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
1045 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
1046 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
1047 fpu registers and special register classes for new 32381
1048 instructions dotf and polyf.
1049 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
1051 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
1052 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
1054 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
1055 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
1056 (REGISTER_MOVE_COST): move code to register_move_cost function for
1057 ease of coding and debugging.
1058 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
1059 LONG_FLOAT_REGO is likely spilled but not caught by default
1061 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
1062 instead of hard coded numbers in range check.
1063 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
1064 (...): Add prototypes for functions in ns32k.c but disable because
1065 of problems when ns32k.h is included in machine independant files.
1067 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
1068 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
1069 hard_regno_mode_ok, secondary_reload_class,
1070 print_operand, print_operand_address): new register scheme to
1071 include 32381 fpu registers and special register classes for new
1072 32381 instructions dotf and polyf.
1073 (gen_indexed_expr): Make static to keep namespace clean.
1074 (check_reg): remove since never called.
1075 (move_tail, expand_block_move): helper functions for "movstrsi"
1077 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
1078 Increase cost of moves which go via memory.
1079 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
1080 (CPP_PREDEFINES): nolonger predefine "unix".
1082 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
1083 Remove erroneous %$. print_operand() can work out from the rtx is
1084 an immediate prefix is required.
1086 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
1087 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
1088 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
1090 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
1093 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
1094 Correct handling of pic operands.
1095 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
1096 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
1097 -mrtd calling convention.
1099 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
1101 * gcc.c (option_map): Recognize --output-class-directory.
1103 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1105 * loop.h (precondition_loop_p): Added new mode argument.
1106 * unroll.c (precondition_loop_p): Likewise.
1107 (approx_final_value): Function deleted and subsumed
1108 into loop_iterations.
1109 (loop_find_equiv_value): New function.
1110 (loop_iterations): Use loop_find_equiv_value to find increments
1111 too large to be immediate constants. Also use it to find terms
1112 common to initial and final iteration values that can be removed.
1114 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1116 * loop.h (struct loop_info): Define new structure.
1117 (precondition_loop_p): Added prototype.
1118 (unroll_loop): Added new argument loop_info to prototype.
1119 (final_biv_value, final_giv_value): Added new argument n_iterations
1121 * loop.c (strength_reduce): Declare new structure loop_iteration_info
1122 and new pointer loop_info.
1123 (loop_n_iterations): Replace global variable by element in
1124 loop_info structure.
1125 (check_final_value): New argument n_iterations.
1126 (insert_bct): New argument loop_info.
1127 (loop_unroll_factor): Replace global array by element in
1128 loop_info structure.
1129 (loop_optimize): Remove code to allocate and initialise
1130 loop_unroll_factor_array.
1131 * unroll.c (precondition_loop_p): No longer static since
1132 used by branch on count optimization.
1133 (precondition_loop_p, unroll_loop): New argument loop_info.
1134 (final_biv_value, final_giv_value, find_splittable_regs): New
1135 argument n_iterations.
1136 (loop_iteration_var, loop_initial_value, loop_increment,
1137 loop_final_value, loop_comparison_code, loop_unroll_factor):
1138 Replaced global variables by loop_info structure.
1139 (loop_unroll_factor): Replace global array by element in
1140 loop_info structure.
1142 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1144 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
1147 * unroll.c (precondition_loop_p): Return loop_initial_value
1148 for initial_value instead of loop_iteration_var.
1150 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1152 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
1153 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
1154 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
1155 to output the instruction sequences.
1157 (rptb_top): Provide alternatives to use any register or memory
1159 (rptb_end): Emit use of operands rather than assigning them
1160 explicitly to the RS and RE registers.
1162 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1164 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
1165 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
1166 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
1167 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
1168 c4x_merge_notes, c4x_parallel_process,
1169 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
1170 c4x_combine_parallel): Delete.
1172 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1174 * config/c4x/c4x.c: (c4x_override_options): For compatibility
1175 with old target options clear flag_branch_on_count_reg if
1176 -mno-rptb specified and set flag_argument_alias is -mno-aliases
1178 (c4x_output_cbranch): Handle a sequence of insns rather than a
1180 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
1181 has not been allocated as the loop counter.
1182 (c4x_address_conflict): Do not allow two volatile memory references.
1183 (valid_parallel_operands_4, valid_parallel_operands_5,
1184 valid_parallel_operands_6): Reject pattern if the register destination
1185 of the first set is used as part of an address in the second set.
1187 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1189 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
1190 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
1191 is no longer enabled if PARALLEL_MPY_FLAG set.
1192 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
1193 (REG_CLASS_CONTENTS): Add braces around initializers.
1194 (HAVE_MULTIPLE_PACK): Define.
1195 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
1196 REAL_VALUE_TO_DECIMAL.
1197 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
1198 REAL_VALUE_TO_DECIMAL.
1199 (ar0_reg_operand): Add prototype.
1200 (ar0_mem_operand): Likewise.
1201 (ar1_reg_operand): Likewise.
1202 (ar1_mem_operand): Likewise.
1203 (ar2_reg_operand): Likewise.
1204 (ar2_mem_operand): Likewise.
1205 (ar3_reg_operand): Likewise.
1206 (ar3_mem_operand): Likewise.
1207 (ar4_reg_operand): Likewise.
1208 (ar4_mem_operand): Likewise.
1209 (ar5_reg_operand): Likewise.
1210 (ar5_mem_operand): Likewise.
1211 (ar6_reg_operand): Likewise.
1212 (ar6_mem_operand): Likewise.
1213 (ar7_reg_operand): Likewise.
1214 (ar7_mem_operand): Likewise.
1215 (ir0_reg_operand): Likewise.
1216 (ir0_mem_operand): Likewise.
1217 (ir1_reg_operand): Likewise.
1218 (ir1_mem_operand): Likewise.
1219 (group1_reg_operand): Likewise.
1220 (group1_mem_operand): Likewise.
1221 (ir1_reg_operand): Likewise.
1222 (arx_reg_operand): Likewise.
1223 (not_rc_reg): Likewise.
1224 (not_modify_reg): Likewise.
1225 (c4x_group1_reg_operand): Remove prototype.
1226 (c4x_group1_mem_operand): Likewise.
1227 (c4x_arx_reg_operand): Likewise.
1229 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
1231 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
1232 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
1234 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1236 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
1239 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1241 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
1242 unless FMOVD_WORKS is defined.
1244 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1246 * regclass.c (init_reg_sets): Move code that calculates tables
1247 dependent on reg_class_contents from here...
1248 (init_reg_sets_1): To here.
1250 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1252 * cpplib.h: Delete struct import_file. Add ihash element to
1253 struct cpp_buffer. Delete dont_repeat_files and
1254 import_hash_table elements from cpp_reader; change
1255 all_include_files to a hash table. Delete all foobar_include
1256 / last_foobar_include elements from struct cpp_options; put
1257 back four such: quote_include, bracket_include,
1258 system_include, after_include. Redo struct file_name_list
1259 completely. Add new structure type include_hash. Add
1260 prototypes for merge_include_chains and include_hash. Change
1261 prototypes for finclude, find_include_file, and
1262 append_include_chain to match changes below.
1264 * cppfiles.c (simplify_pathname, include_hash,
1265 remap_filename, merge_include_chains): New functions.
1266 (add_import, lookup_import, open_include_file): Removed.
1267 (INO_T_EQ): Define this (copied from cccp.c).
1268 (hack_vms_include_specification): Remove all calls and #if 0
1269 out the definition. It was being called incorrectly and at
1270 the wrong times. Until a VMSie can look at this, it's better
1271 to not pretend to support it.
1272 (append_include_chain): Change calling convention; now takes
1273 only one directory at a time, and sets up the data structure
1275 (redundant_include_p): Rewritten - this is now used for all
1276 include redundancy, whether by #ifndef, #import, or #pragma
1277 once. Looks up things in the include hash table.
1278 (file_cleanup): Decrement pfile->system_include_depth here if
1280 (find_include_file): Calling convention changed; now passes
1281 around a struct include_hash instead of 3 separate parameters.
1282 Guts ripped out and replaced with new include_hash mechanism.
1283 (finclude): Calling convention changed as for
1284 find_include_file. Error exits pulled out-of-line. Reformat.
1285 (safe_read): Return a long, not an int.
1286 (deps_output): Don't recurse.
1288 * cpplib.c (is_system_include): Deleted.
1289 (path_include): Fix up call to append_include_chain.
1290 (do_include): Fix up calls to find_include_file and finclude.
1291 Clean up dependency output a bit. Shorten obnoxiously lengthy
1292 #import warning message. Don't decrement
1293 pfile->system_include_depth here.
1294 (do_pragma): Understand the include_hash structure. Reformat.
1295 (do_endif): Correct handling of control macros. Understand
1297 (cpp_start_read): Fix up calls to finclude. Call
1298 merge_include_chains.
1299 (cpp_handle_option): Fix up calls to append_include_chain.
1300 Understand the four partial include chains.
1301 (cpp_finish): Add debugging code (#if 0-ed out) for the
1303 (cpp_cleanup): Free the include_hash, not the import hash and
1304 the all_include and dont_repeat lists which no longer exist.
1306 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
1308 * toplev.c (no_new_pseudos): Define.
1309 (rest_of_compilation): Set no_new_pseudos as needed.
1310 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
1311 if no_new_pseudos is set.
1312 * rtl.h (no_new_pseudos): Declare it.
1313 * reload1.c (reload): Update comments.
1314 * md.texi: Corresponding changes.
1316 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1318 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
1319 (choose_reload_regs): Rename it here as well. When computing it,
1320 also merge in used hardregs.
1322 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1324 * gcc.c: Split out Objective-C specs to...
1325 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
1328 * c-lex.c (init_parse): Always initialize the filename global.
1329 * objc/objc-act.c (lang_init): Always call check_newline at
1332 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
1334 * reload1.c (reload): Remove unused variable.
1335 (reload_reg_free_for_value_p): Add missing parameter definition.
1337 * jump.c (jump_optimize): Remove unused variable.
1339 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
1341 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
1343 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
1345 * expr.c (move_by_pieces): Similarly.
1346 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
1347 * flow.c (find_auto_inc): Similarly.
1348 (try_pre_increment): Similarly.
1349 * loop.c (strength_reduce): Similarly.
1350 * regclass.c (auto_inc_dec_reg_p): Similarly.
1351 * regmove.c (try_auto_increment): Similarly.
1352 (fixup_match_1): Similarly.
1353 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
1354 (HAVE_PRE_DECREMENT): Similarly.
1355 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
1356 * Corresponding changes to all target header files.
1357 * tm.texi: Update docs for autoinc addressing modes.
1359 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
1361 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
1362 * configure: Rebuild.
1363 * config/elfos.h: New file.
1364 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
1365 config/m68k/t-m68kelf: New file.
1367 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
1369 * Makefile.in (HOST_AR): Define.
1370 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
1371 (libcpp.a): Use the host tools explicitly.
1372 (STAGESTUFF): Add libcpp.a.
1374 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
1376 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
1377 to source and destination registers.
1379 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
1381 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
1382 The strategy we now use is to pre allocate the top_elt along
1383 with the EH context so that each thread has its own top_elt.
1384 This is necessary as the dynmanic cleanup chain is used on the
1385 top element of the stack and each thread MUST have its own.
1386 (eh_context_static): Likewise.
1387 (new_eh_context): Likewise.
1388 (__sjthrow): Likewise.
1390 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
1392 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
1393 * i386.md (prologue_get_pc): Remove unused variable.
1395 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
1397 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
1399 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
1401 * Makefile.in (OBJS): Add graph.o
1402 (graph.o): New dependency list.
1403 * flags.h: Declare dump_for_graph and define graph_dump_types type.
1404 * print-rtl.c (dump_for_graph): Define new variable.
1405 (print_rtx): Rewrite to allow use in graph dumping functions.
1406 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
1407 finish_graph_dump_file.
1408 Define graph_dump_format.
1409 (compile_file): If graph dumping is enabled also clear these files.
1410 Finish graph dump files.
1411 (rest_of_compilation): Also dump graph information if enabled.
1412 (main): Recognize -dv to enabled VCG based graph dumping.
1413 * graph.c: New file. Graph dumping functions.
1415 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
1417 * configure.in: Look for <sys/stat.h>.
1418 * system.h: Include it before substitute S_ISREG definitions.
1420 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
1422 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
1423 * config/mips/iris6.h: Same.
1424 * config/mips/mips.md: Same.
1425 * config/mips/mips.c: Same; also add "-mabi=o64" option.
1426 * config/mips/mips.h: Same; also define ABI_O64.
1428 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1430 * configure.in: Use AC_PREREQ(2.12.1).
1432 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
1434 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
1435 * cpplib.c, gcc.c: Likewise.
1436 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
1438 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
1440 * local-alloc.c (local_alloc): Use malloc not alloca for
1441 reg_qty, reg_offset, ref_next_in_qty.
1443 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1445 * caller-save.c (insert_one_insn): Initialize the live_before and
1446 live_after register sets.
1450 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
1451 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
1452 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
1453 (fp_reg_names, assembler_dialect): New variables.
1454 (print_operand_address): Handle SUBREGs.
1455 (print_operand): Added 'o' case.
1456 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
1457 Name of FP registers depends on mode.
1458 (expand_block_move): Emit different code for SH4 hardware.
1459 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
1460 (from_compare): Likewise.
1461 (add_constant): New argument last_value. Changed all callers.
1462 (find_barrier): Don't try HImode load for FPUL_REG.
1463 (machine_dependent_reorg): Likewise.
1464 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
1465 (gen_far_branch): Emit a barrier after the new jump.
1466 (barrier_align): Don't trust instruction lengths before
1468 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
1469 Use auto-inc addressing for fp registers if doubles need to
1470 be loaded in two steps.
1471 Set sh_flag_remove_dead_before_cse.
1472 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
1473 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
1474 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
1475 Support for FIRST_XD_REG .. LAST_XD_REG.
1476 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
1477 (sh_expand_epilogue): Likewise.
1478 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
1479 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
1480 (arith_reg_operand): FPUL_REG is OK for SH4.
1481 (fp_arith_reg_operand, fp_extended_operand) New functions.
1482 (tertiary_reload_operand, fpscr_operand): Likewise.
1483 (commutative_float_operator, noncommutative_float_operator): Likewise.
1484 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
1485 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
1486 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
1487 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
1488 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
1489 (CONDITIONAL_REGISTER_USAGE): Likewise.
1490 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
1491 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
1492 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
1493 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
1494 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
1495 to -1 and sh_flag_remove_dead_before_cse to 1.
1496 (ASSEMBLER_DIALECT): Define to assembler_dialect.
1497 (assembler_dialect, fp_reg_names): Declare.
1498 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
1499 Hide names of registers that are not accessible.
1500 (CACHE_LOG): Take TARGET_CACHE32 into account.
1501 (LOOP_ALIGN): Take TARGET_HARWARD into account.
1502 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
1503 (FIRST_PSEUDO_REGISTER: Now 49.
1504 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
1505 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
1506 (HARD_REGNO_MODE_OK): Update.
1507 (enum reg_class): Add DF_REGS and FPSCR_REGS.
1508 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
1509 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
1510 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
1511 (NPARM_REGS): Eight floating point parameter registers on SH4.
1512 (BASE_RETURN_VALUE_REG): SH4 also passes double values
1513 in floating point registers.
1514 (GET_SH_ARG_CLASS) Likewise.
1515 Complex float types are also returned in float registers.
1516 (BASE_ARG_REG): Complex float types are also passes in float registers.
1517 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
1518 (LIBCALL_VALUE): Remove trailing semicolon.
1519 (ROUND_REG): Round when double precision value is passed in floating
1521 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
1522 passed on the stack.
1523 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
1524 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
1525 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
1526 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
1527 (MODE_DISP_OK_8): Not for SH4 DFmode.
1528 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
1529 Allow indexed addressing for PSImode after reload.
1530 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
1531 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
1532 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
1533 (DOUBLE_TYPE_SIZE): 64 for SH4.
1534 (RTX_COSTS): Add PLUS case.
1535 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
1536 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
1537 MAC_REGS, PR_REGS, DF_REGS.
1538 (REGISTER_NAMES): Use fp_reg_names.
1539 (enum processor_type): Add PROCESSOR_SH4.
1540 (sh_flag_remove_dead_before_cse): Declare.
1541 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
1542 (PREDICATE_CODES): Add binary_float_operator,
1543 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
1544 fpscr_operand, noncommutative_float_operator.
1545 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
1546 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
1547 * sh.md (attribute cpu): Add value sh4.
1548 (attrbutes fmovd, issues): Define.
1549 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
1550 (function units memory, int, mpy, fp): Make dependent on issue rate.
1551 (function units issue, single_issue, load_si, load): Define.
1552 (function units load_store, fdiv, gp_fpul): Define.
1553 (attribute hit_stack): Provide proper default.
1554 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
1555 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
1556 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
1557 (mulsi3_call): Now uses match_operand for function address.
1558 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
1560 (push, pop, push_e, pop_e): Now define_expands.
1561 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
1562 (movsi_ie): Added y/i alternative.
1563 (ic_invalidate_line_i, movdf_i4): New insns.
1564 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
1565 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
1566 (movdf): Add special code for SH4.
1567 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
1568 (call_valuei, calli, call_value): Likewise.
1569 (movsf): Emit no-op move.
1570 (mov_nop, movsi_y): New insns.
1571 (blt, sge): generalize to handle DFmode.
1572 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
1573 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
1574 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
1575 (fpu_switch0, fpu_switch1, movpsi): New expanders.
1576 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
1577 (toggle_sz): New insn.
1578 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
1579 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
1580 (macsf3): Make use of fpscr visible. Disable for SH4.
1581 (floatsisf2): Make use of fpscr visible.
1582 (floatsisf2_i4): New insn.
1583 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
1584 (ieee_ccmpeqsf_t): Likewise.
1585 (fix_truncsfsi2): Emit different code for SH4.
1586 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
1587 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
1588 (negsf2, sqrtsf2, abssf2): Now expanders.
1589 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
1590 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
1591 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
1592 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
1593 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
1594 (fix_truncdfsi2_i4_2+1): New splitters.
1595 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
1596 (extendsfdf2, truncdfsf2): New expanders.
1597 (truncdfsf2_i4): New insn.
1598 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
1599 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
1600 * float-sh.h: When testing for __SH3E__, also test for
1601 __SH4_SINGLE_ONLY__ .
1602 * va-sh.h (__va_freg): Define to float.
1603 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
1604 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
1605 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
1606 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
1608 (TARGET_SH4_P): Define.
1611 * sh.md (movdf_k, movsf_i): Tweak the condition so that
1612 init_expr_once is satisfied about the existence of load / store insns.
1614 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
1615 change m constraint in source operand to mr / mf .
1617 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
1619 * (__VA_REEF): Define.
1620 (__va_arg_sh1): Use it.
1622 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
1624 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
1626 * i386/dgux.c (struct option): Add new "description field".
1627 * m88k/m88k.c (struct option): Likewise.
1629 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
1631 * version.c: Bump for snapshot.
1633 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1635 * regmove.c (regmove_profitable_p): Use return value of find_matches
1638 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
1640 * version.c: Bump for snapshot.
1642 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
1644 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
1645 without reload having been called earlier.
1647 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
1649 (v850_reorg): Similarly.
1651 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
1653 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1655 * loop.c (move_movables): Start of libcall might be new loop start.
1657 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1659 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
1661 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1663 * function.c (nonlocal_goto_handler_slots): Renamed from
1664 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
1665 (push_function_context_to): Adjust for this change.
1666 (pop_function_context_from): Likewise.
1667 (init_function_start): Likewise.
1668 (expand_function_end): Likewise.
1669 * function.h (struct function): Likewise.
1670 * calls.c (expand_call): Likewise.
1671 * explow.c (allocate_dynamic_stack_space): Likewise.
1672 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
1673 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
1675 (expand_goto): When doing a nonlocal goto, find corresponding handler
1676 slot for it. Don't put the label address in the static chain register.
1677 (expand_end_bindings): Break out nonlocal goto handling code into
1678 three new functions.
1679 (expand_nl_handler_label, expand_nl_goto_receiver,
1680 expand_nl_goto_receivers): New static functions, broken out of
1681 expand_end_bindings and adapted to create one handler per nonlocal
1683 * function.c (delete_handlers): Delete insn if it references any of
1684 the nonlocal goto handler slots.
1685 * i960.md (nonlocal_goto): Comment out code that modifies
1687 * sparc.md (nonlocal_goto): Likewise.
1688 (goto_handler_and_restore_v9): Comment out.
1689 (goto_handler_and_restore_v9_sp64): Comment out.
1691 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1693 * expr.c (STACK_BYTES): Delete unused macro.
1694 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
1695 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1696 (expand_call): Likewise.
1697 (emit_library_call): Likewise.
1698 (emit_library_call_value): Likewise.
1699 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
1700 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1701 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
1702 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1703 (allocate_dynamic_stack_space): Likewise.
1704 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
1705 (STACK_BOUNDARY): Update description to reflect the new situation.
1707 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
1709 * reorg.c (relax_delay_slots): When optimizing for code size, if a
1710 return with a filled delay slot is followed by a return with an
1711 unfilled delay slot, delete the first return and reemit the insn
1712 that was previously in its delay slot.
1714 * i860.c (single_insn_src_p): Add missing parens.
1715 * ginclude/math-3300.h: Likewise.
1717 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
1719 * regclass.c (init_reg_sets_1): Add prototype.
1720 (init_reg_modes): Likewise.
1722 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
1724 * c-common.c: Change warning messages to say `comparison is
1725 always true' or `comparison is always false' instead of the
1726 confusing `is always 0', `is always 1'.
1728 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
1730 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
1731 break instead of return (which loses closing '>').
1733 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
1735 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
1736 standard 387 constants.
1738 * i386.md (jump): Explicitly set "memory" attribute.
1739 (indirect_jump, prologue_set_stack_ptr): Likewise.
1740 (prologue_get_pc_and_set_got, pop): Likewise.
1741 (allocate_stack_worder, blockage, return_internal): Likewise.
1742 (return_pop_internal, nop): Likewise.
1743 (epilogue_set_stack_ptr, leave): Likewise.
1745 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
1747 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
1749 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1751 * reload1.c (reload_reg_free_for_value_p):
1752 Early auto_inc reloads don't conflict with outputs.
1754 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1756 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
1757 Instead call AC_HEADER_SYS_WAIT.
1759 * collect2.c: Don't provide defaults for sys/wait.h macros.
1761 * protoize.c: Likewise. Also, don't include sys/wait.h.
1763 * system.h: Include sys/wait.h and provide macro defaults.
1765 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1767 * Makefile.in (mandir): Set to @mandir@.
1768 (man1dir): New variable to hold the former value of $(mandir).
1769 Replace all uses of $(mandir) by $(man1dir).
1771 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
1773 * reload.c (find_reloads_address_part): If have a CONST_INT, create
1774 a new one before passing it to force_const_mem.
1776 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
1777 find_reloads_address call.
1779 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1781 * expr.c (store_expr): Don't generate load-store pair
1782 if TEMP is identical (according to ==) with TARGET.
1784 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1786 * reload1.c (reload_reg_free_for_value_p): When considered reload
1787 has an output, matching inputs are not sufficient to avoid conflict.
1789 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
1791 * hash.h (hash_table_key): New type.
1792 (hash_entry): Change `string' field to generic `key'.
1793 (hash_table): Add `comp' and `hash' functions.
1794 (hash_table_init): Take them as input.
1795 (hash_table_init_n): Likewise.
1796 (hash_lookup): Modify for generic keys.
1797 (hash_newfunc): Likewise.
1798 (hash_traverse): Likewise.
1799 (string_hash): New function.
1800 (string_compare): Likewise.
1801 (string_copy): Likewise.
1802 * hash.c (hash_table_init_n): Modify for generic keys.
1803 (hash_table_init): Likewise.
1804 (hash_lookup): Likewise.
1805 (hash_newfunc): Likewise.
1806 (hash_traverse): Likewise.
1807 (string_hash): Split out from hash_lookup.
1808 (string_compare): New function.
1809 (string_copy): Split out from hash_lookup.
1810 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
1812 (symbol_hash_lookup): Likewise.
1813 (file_hash_newfunc): Likewise.
1814 (file_hash_lookup): Likewise.
1815 (demangled_hash_newfunc): Likewise.
1816 (demangled_hash_lookup): Likewise.
1817 (tlink_int): Likewise.
1818 (read_repo_file): Likewise.
1819 (recompile_files): Likewise.
1820 (demangle_new_symbols): Likewise.
1821 (scan_linker_output): Likewise.
1823 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1825 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
1827 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
1829 * rs6000.c (output_mi_thunk): Improve test for local branch.
1831 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1833 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
1835 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1837 * reload1.c (reload_reg_free_before_p): Delete.
1838 Changed all callers to use reload_reg_free_for_value_p instead.
1839 (reload_reg_free_for_value_p): Handle more reload types.
1840 A RELOAD_FOR_INPUT doesn't conflict with its
1841 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
1842 Add special case for OUT == const0_rtx.
1843 Added ignore_address_reloads argument. Changed all callers.
1845 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
1847 * toplev.c (compile_file): Don't pedwarn about undefined static
1848 functions just because we passed -Wunused.
1850 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1852 * function.c (purge_addressof_1): Unshare rtl created by
1855 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1857 * regmove.c (regmove_optimize): Don't do anything but
1858 optimize_reg_copy[123] when flag_regmove is not set.
1860 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
1862 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
1863 value in paradoxical SImode result, rather than truncating midpoint.
1865 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
1867 * alpha.c (reg_not_elim_operand): New.
1868 * alpha.h (PREDICATE_CODES): Add it.
1869 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
1870 for the multiplicand.
1872 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
1874 * rs6000.md (movsf): Remove explicit secondary-reload-like
1875 functionality. Only truncate SFmode store if in FPR.
1876 (movsf splitters): Combine const_double splitters.
1877 (movsf_hardfloat): Add GPR support.
1879 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
1881 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
1882 deprecate -mlive-g0 and -mbroken-saverestore.
1883 * t-splet (MULTILIB_OPTIONS): Likewise.
1885 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
1886 in a leaf function. Clarify total_size/extra_size relationship.
1888 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
1890 * i386/cygwin32.asm: Delete.
1891 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
1892 * i386/cygwin32.h: Delete.
1893 * i386/cygwin.h: New file, renamed from cygwin32.h.
1894 * i386/t-cygwin32: Delete.
1895 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
1896 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
1897 * i386/x-cygwin32: Delete.
1898 * i386/x-cygwin: New file, renamed from x-cygwin32.
1899 * i386/xm-cygwin32: Delete.
1900 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
1901 renamed cygwin_ funcs for path translations.
1902 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
1903 * i386/winnt.c: Remove "32" from comment about cygwin.
1904 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
1905 * rs6000/cygwin32.h: Delete.
1906 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
1907 -D__CYGWIN__ to CPP_PREDEFINES.
1908 * rs6000/x-cygwin32: Delete.
1909 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
1910 * rs6000/xm-cygwin32: Delete.
1911 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
1913 * configure.in: Check for cygwin* instead of cygwin32. Account
1914 for the rename of cygwin-related config files to lose the "32"s.
1915 * configure: Regenerate.
1917 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
1918 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
1920 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
1922 * Makefile.in (JAVAGC): New macro.
1923 * configure: Rebuilt.
1924 * configure.in: Recognize --enable-java-gc argument. Subst
1927 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1929 Handle equivalences that have been obscured by gcse:
1931 * reload1.c (reload): Handle equivalences set up in multiple places.
1932 * local-alloc.c (reg_equiv_init_insns): New variable.
1933 (no_equiv): New function.
1934 (update_equiv_regs): Handle equivalences set up in multiple places.
1935 Don't ignore an insn just because its destination is likely to be
1938 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
1940 * except.c (expand_eh_return): Readd force_operand call lost in
1943 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
1945 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
1947 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1949 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
1951 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1953 * regmove.c (regmove_optimize): Fix error in last change.
1955 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
1957 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
1958 offset in the .mask pseudo to compensate for frame pointer adjustments.
1959 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
1960 word swap arguments moved to/from FP registers.
1961 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
1963 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
1965 * version.c: Bump for snapshot.
1967 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
1969 * version.c: Bump for snapshot.
1971 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
1973 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
1974 times, then it can not be completely replaced.
1976 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
1978 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
1980 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1982 * gansidecl.h: Prepend a "G" to the macro wrapping this file
1983 (to distinguish it from the macro wrapping ansidecl.h.)
1984 Include libiberty's ansidecl.h. Remove all redundant definitions.
1985 Define the PROTO() style macros in terms of the PARAMS() ones.
1988 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
1989 __STDC__, when deciding whether to use ANSI variable args.
1990 (emit_library_call_value): Likewise.
1992 * cccp.c (error): Likewise.
1993 (warning): Likewise.
1994 (error_with_line): Likewise.
1995 (warning_with_line): Likewise.
1996 (pedwarn): Likewise.
1997 (pedwarn_with_line): Likewise.
1998 (pedwarn_with_file_and_line): Likewise.
2001 * cexp.y (error): Likewise.
2002 (pedwarn): Likewise.
2003 (warning): Likewise.
2005 * collect2.c (fatal_perror): Likewise.
2009 * combine.c (gen_rtx_combine): Likewise.
2011 * cpperror.c (cpp_message): Likewise.
2012 (cpp_fatal): Likewise.
2014 * cpplib.c (cpp_error): Likewise.
2015 (cpp_warning): Likewise.
2016 (cpp_pedwarn): Likewise.
2017 (cpp_error_with_line): Likewise.
2018 (cpp_warning_with_line): Likewise.
2019 (cpp_pedwarn_with_line): Likewise.
2020 (cpp_pedwarn_with_file_and_line): Likewise.
2022 * cpplib.h: Don't define PARAMS() macro.
2024 * demangle.h: Likewise.
2026 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
2027 when deciding whether to use ANSI variable args.
2029 * emit-rtl.c (gen_rtx): Likewise.
2030 (gen_rtvec): Likewise.
2032 * final.c (asm_fprintf): Likewise.
2034 * fix-header.c (cpp_message): Likewise.
2036 (cpp_fatal): Likewise.
2038 * gcc.c (concat): Likewise.
2042 * genattr.c (fatal): Likewise.
2044 * genattrtab.c (attr_rtx): Likewise.
2045 (attr_printf): Likewise.
2048 * gencodes.c (fatal): Likewise.
2050 * genconfig.c (fatal): Likewise.
2052 * genemit.c (fatal): Likewise.
2054 * genextract.c (fatal): Likewise.
2056 * genflags.c (fatal): Likewise.
2058 * genopinit.c (fatal): Likewise.
2060 * genoutput.c (fatal): Likewise.
2063 * genpeep.c (fatal): Likewise.
2065 * genrecog.c (fatal): Likewise.
2067 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
2068 deciding whether to declare `tree_node' and `rtx_def'.
2070 * hash.h: Don't define stuff we get from gansidecl.h.
2072 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
2073 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2074 whether to use ANSI variable args.
2077 * prefix.c (concat): Likewise.
2081 * system.h: Likewise.
2083 * toplev.c (error_with_file_and_line): Likewise.
2084 (error_with_decl): Likewise.
2085 (error_for_asm): Likewise.
2088 (warning_with_file_and_line): Likewise.
2089 (warning_with_decl): Likewise.
2090 (warning_for_asm): Likewise.
2091 (warning): Likewise.
2092 (pedwarn): Likewise.
2093 (pedwarn_with_decl): Likewise.
2094 (pedwarn_with_file_and_line): Likewise.
2096 (really_sorry): Likewise.
2098 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2099 whether to declare `tree_node' and `rtx_def'.
2101 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
2102 deciding whether to use ANSI variable args.
2103 (build_nt): Likewise.
2104 (build_parse_node): Likewise.
2106 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
2108 * version.c: Bump for snapshot.
2110 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2112 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
2114 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2116 * collect2.c (main, case 'b'): Use else if.
2118 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2120 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
2121 Arrange to include gansidecl.h in {ht}config.h & tm.h just
2122 before the config/ directory headers.
2123 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
2124 gansidecl.h in the list of dependencies.
2126 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
2127 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
2128 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
2129 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
2130 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
2131 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
2134 * cccp.c: Don't include gansidecl.h.
2136 * collect2.c: Likewise.
2137 * config/c4x/c4x.c: Likewise.
2138 * config/v850/v850.h: Likewise.
2139 * cppalloc.c: Likewise.
2140 * cpperror.c: Likewise.
2141 * cppexp.c: Likewise.
2142 * cppfiles.c: Likewise.
2143 * cpphash.c: Likewise.
2144 * cpplib.c: Likewise.
2145 * cppmain.c: Likewise.
2146 * cppulp.c: Likewise.
2147 * demangle.h: Likewise.
2148 * doprint.c: Likewise.
2149 * dyn-string.c: Likewise.
2150 * eh-common.h: Likewise.
2151 * fix-header.c: Likewise.
2152 * frame.c: Likewise.
2155 * gen-protos.c: Likewise.
2156 * gencheck.c: Likewise.
2157 * halfpic.h: Likewise.
2159 * machmode.h: Likewise.
2160 * mbchar.c: Likewise.
2161 * prefix.c: Likewise.
2162 * protoize.c: Likewise.
2163 * recog.h: Likewise.
2165 * scan-decls.c: Likewise.
2167 * varray.h: Likewise.
2169 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
2171 * i386.md (call_value_pop): If we're not popping anything,
2172 defer to call_value.
2173 (call_pop): Likewise defer to call.
2175 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
2177 * function.c (purge_addressof): Clear purge_addressof_replacements
2178 only after processing the whole function.
2180 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
2182 * reload1.c (reload): If we can not perform a particular elimination
2183 when we thought we could earlier, then we must always iterate through
2184 the loop at least one more time.
2186 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
2188 * alpha.c (add_operand): Simplify the CONST_INT match.
2189 (sext_add_operand): Correct typo in comparison by using
2190 CONST_OK_FOR_LETTER_P.
2191 * alpha.md (s?addq): Use sext_add_operand to allow the negative
2192 constant alternatives to be generated.
2193 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
2194 small constants, since the hw instructions do.
2196 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2198 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
2199 previous insn to store directly into our reload register, make sure
2200 that if the source of the previous insn is a reload register, its
2201 spill_reg_store and spill_reg_stored_to values are cleared.
2203 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
2205 * rs6000.md (floatunssidf2_internal splitter): Use base register
2206 operand, not hard-coded SP.
2208 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2210 * jump.c (calculate_can_reach_end): Fix thinko.
2212 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
2214 * reorg.c (fill_simple_delay_slots): Fix typo.
2216 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
2218 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
2220 * i386.md (extendsidi2): Use # in the output template.
2221 (extendsidi splitters): New splitters.
2223 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
2225 * configure.in: Use unknown-elf.h as tm_file for arm-elf
2227 * configure: Regenerate.
2229 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2231 * jump.c (init_label_info, delete_barrier_successors,
2232 mark_all_labels, delete_unreferenced_labels,
2233 delete_noop_moves, calculate_can_reach_end): New functions broken
2234 out of jump_optimize.
2235 (jump_optimize): Use them.
2237 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2239 * except.c (expand_fixup_region_end): Make sure outer context labels
2240 are not issued in an inner context during cleanups.
2242 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
2244 * alpha.md (addsi3, subsi3): No new temporaries once cse is
2247 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
2249 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
2250 to expose this midpoint to CSE.
2252 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2254 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
2256 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2258 * configure.in: Bring over gcc2 change of Nov 19 1997.
2260 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
2262 * toplev.c (output_lang_identify): Make definition dependent on
2263 ASM_IDENTIFY_LANGUAGE.
2265 * print-rtl.c (spaces): Make static.
2267 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
2269 * extend.texi: Clarify proper uses for register clobbers in asms.
2271 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2273 * recog.h (enum op_type): Define.
2274 (constrain_operands): Adjust prototype.
2275 (recog_op_type): Declare new variable.
2276 * recog.c (recog_op_type): New variable.
2277 (insn_invalid_p): Allow modifying an asm statement after reload.
2278 (extract_insn): Set up recog_op_type.
2279 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2280 Don't compute operand types, use recog_op_type.
2281 Use the information computed by extract_insn instead of the previous
2282 method of finding it by insn code number.
2283 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2284 * reorg.c (fill_slots_from_thread): Likewise.
2285 * reload1.c (reload_as_needed): Likewise.
2286 (gen_reload): Likewise.
2287 (inc_for_reload): Likewise.
2288 (reload_cse_simplify_operands): Likewise.
2289 Use the information computed by extract_insn instead of the previous
2290 method of finding it by insn code number.
2291 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
2293 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
2294 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
2295 Use the information computed by extract_insn instead of the previous
2296 method of finding it by insn code number.
2297 * regmove.c (find_matches): Likewise. Change meaning of the return
2298 value to be nonzero if the optimization can be performed, zero if
2299 not. All callers changed.
2300 Shorten some variable names to fix formatting problems.
2301 (regmove_optimize): Shorten some variable names to fix formatting
2303 Use the information computed by extract_insn instead of the previous
2304 method of finding it by insn code number.
2305 * regclass.c (scan_one_insn): Likewise.
2306 (record_reg_classes): Don't compute operand types, use recog_op_type.
2307 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
2308 recog_constraints instead.
2310 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
2312 * rtl.h (flow2_completed): Declare.
2313 * flow.c (flow2_completed): Definition.
2314 * toplev.c (rest_of_compilation): Set and clear flow2_completed
2317 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2319 * Makefile.in (libcpp.a): Ranlib libcpp.a
2321 * cppulp.c (user_label_prefix): Initialize.
2323 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
2325 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
2326 at a RETURN if current_function_sp_is_unchanging is set.
2328 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2330 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
2332 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
2334 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
2335 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
2336 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
2337 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
2338 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
2339 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
2341 (LIB_SPEC): Handle -mno-cyginw option.
2342 (LINK_SPEC): Handle -mdll.
2344 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2346 * reload.c (find_reloads): Fix test for usage by other reload
2347 to handle secondary reloads properly.
2349 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2351 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
2352 intermediate structure which has exactly the members provided by
2353 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
2354 static intermediate structure.
2356 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
2357 from the intermediate structure. Do the same analogous fix in
2358 the case where ELIMINABLE_REGS is not defined.
2360 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
2362 * pa.h (SELECT_SECTION): Fix thinko.
2364 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
2366 * dwarf2out.c (output_call_frame_info): Comments on last change.
2368 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
2370 * arm.c (add_constant): When taking the address of an item in the
2371 pool, get the mode of the item addressed.
2373 * arm.c (final_prescan_insn case INSN): If an insn doesn't
2374 contain a SET or a PARALLEL, don't consider it for conditional
2377 Restore ABI compatibility for NetBSD.
2378 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
2380 (RETURN_IN_MEMORY): Likewise.
2382 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
2384 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
2385 (m32r_output_block_move): Rewrite bytes < 4 handling.
2387 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2389 * configure.in: Call AC_FUNC_VFORK.
2391 * collect2.c: Define VFORK_STRING as a printable string for
2392 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
2393 defined, include vfork.h. If VMS is defined, define vfork()
2394 appropriately. Remove vfork check on USG, we're using autoconf.
2395 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
2396 checking locally what string to pass.
2397 (scan_prog_file): Likewise.
2398 (scan_libraries): Likewise.
2400 * gcc.c: Remove vfork check on USG, we're using autoconf.
2401 Besides, no calls to vfork/fork occur in this file.
2403 * protoize.c: Likewise.
2405 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2407 * configure.in (DEFAULT_LINKER): renamed from LD
2408 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
2409 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
2410 * configure: rebuilt
2412 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2414 * BUGS: fix the regexp for `more' to find the appropriate node.
2415 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
2417 * BUGS: added link to the WWW FAQ
2419 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
2421 * version.c: Bump for snapshot.
2423 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
2425 * From Christian Gafton:
2426 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
2427 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
2428 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
2430 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
2432 * c-common.c (c_get_alias_set): Allow all type-punning through
2433 unions. Don't get confused about the type of a bit-field, despite
2434 the antics of build_modify_expr.
2436 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
2438 * fixinc.sco: Paramaterize #include_next values.
2439 * fixinc/fixinc.sco: Likewise.
2441 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
2443 * toplev.c (rest_of_compilation): No longer set reload_completed.
2444 * reload1.c (reload): Set it here. Perform instruction splitting
2445 after reload has completed if we will be running the scheduler
2448 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
2450 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
2451 EH region if exceptions are enabled and we're performing cross
2453 (find_cross_jump): Exit loop if the insns are in different EH regions.
2455 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
2457 * dwarf2out.c (output_call_frame_info): Use
2458 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
2460 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2462 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
2463 * c-common.c (check_format_info): Don't check for the 'x'
2464 format character twice, instead check for 'x' and 'X'
2466 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
2468 * configure.in (assembler features): Also make gas is configured if
2469 we find it in the souce tree.
2471 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
2473 * i386.c (i386_comp_type_attributes): Compare whether the
2474 attributes are defined, not their tree nodes.
2476 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2478 * configure.in (gxx_include_dir): bitten by autoconf quoting
2480 * configure: rebuilt
2482 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2484 * configure.in: Ignore non-absolute value in $AS.
2486 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
2488 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
2490 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
2492 * configure.in (msdosdjgpp): Set exeext and target_alias.
2494 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2496 * flow.c (XNMALLOC): New macro.
2497 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
2499 (add_edge, add_edge_to_label): New static functions.
2500 (free_bb_memory): New function.
2501 (flow_delete_insn): Delete function.
2502 (basic_block_drops_in): Delete variable.
2503 (find_basic_blocks): Allocate and initialize basic_block_head,
2504 basic_block_succ. Don't allocate basic_block_drops_in.
2505 Call free_bb_memory at the beginning.
2506 (find_basic_blocks_1): Don't do multiple passes.
2507 Delete code to compute basic_block_drops_in.
2508 After calling make_edges, mark blocks reached by current block live.
2509 Update test for unreachable live blocks.
2510 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
2512 Simplify to call add_edge_to_label when a LABEL_REF is found.
2513 (make_edges): Simplify to call add_edge_to_label instead of
2514 mark_label_ref most of the time.
2515 Compute here whether control drops into the next block.
2516 (delete_unreachable_blocks): Return void. All callers changed.
2517 Delete unreachable blocks in reverse order.
2518 After deleting all unreachable blocks, renumber the remaining ones
2519 and update n_basic_blocks.
2520 (delete_block): Speed up deletion a bit.
2521 Don't set basic_block_drops_in for deleted blocks.
2522 (free_basic_block_vars): Don't free basic_block_drops_in.
2523 (life_analysis_1): Update to use new edge representation.
2524 (dump_flow_info): Delete code to print basic block info; call
2525 dump_bb_data instead.
2526 (compute_preds_succs): Delete code to recompute basic_block_drops_in
2527 and uid_block_number.
2528 Simply copy the previously computed cfg.
2529 (dump_bb_data): New arg LIVE_INFO. All callers changed.
2530 Print register lifetime information if LIVE_INFO is nonzero.
2531 * basic-block.h (dump_bb_data): Adjust prototype.
2532 * gcse.c (gcse_main): Update call to dump_bb_data.
2533 * rtl.h (free_bb_memory): Declare.
2534 * toplev.c (rest_of_compilation): Call free_bb_memory.
2536 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
2537 (update_eliminable_offsets): Don't compute it.
2538 (set_initial_elim_offsets): Don't initialize it.
2539 Break out some code into set_initial_label_offsets so the rest of
2540 this function can be called from reload_as_needed.
2541 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
2542 ELIMINABLE_REGS isn't.
2543 (set_initial_label_offsets): New function, broken out of
2544 set_initial_elim_offsets.
2545 (set_offsets_for_label): New function, broken out of set_label_offsets
2546 and reload_as_needed.
2547 (reload): Call the two new functions.
2548 (reload_as_needed): Call set_initial_elim_offsets instead of
2549 duplicating the code. Likewise for set_offsets_for_label.
2551 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
2552 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
2553 any hard reg, reg_reloaded_dead contains valid data.
2555 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
2557 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
2558 "stdcall" and "cdecl" attributes.
2560 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
2562 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
2563 handle deleted no-op moves of hard registers.
2564 * haifa-sched.c (update_flow_info): Likewise.
2566 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
2568 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
2569 of the sequences to reload the HILO register which do not actually
2572 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
2574 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
2576 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2578 * except.c (emit_eh_context): Make the EH context register stay alive
2579 at -O0 so stupid.c doesn't get confused.
2581 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2583 * emit-rtl.c (try_split): Do not try to split a BARRIER.
2585 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
2586 Jeffrey A Law (law@cygnus.com)
2588 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
2589 (zero_extendsidi2): Use # in output template and handle completely by
2591 (zero_extend splitters): New define_splits.
2592 (ashiftrt_32): New pattern.
2594 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2596 * tree.c (append_random_chars): New fn.
2597 (get_file_function_name_long): Use it.
2599 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
2601 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
2602 (LIBCPP_OBJS): New. Add cppulp.o.
2603 (cppmain, fix-header): Depend on and use libcpp.a.
2604 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
2605 of the individual object files.
2606 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
2609 * cccp.c (user_label_prefix): New.
2610 (main): Set it off -f*leading-underscore.
2611 (special_symbol): Use it.
2612 * cpplib.c (special_symbol): Likewise.
2613 (cpp_handle_option): Handle -f*leading-underscore.
2614 * cppulp.c: New file.
2616 * output.h (user_label_prefix): Declare it.
2617 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
2618 * toplev.c (f_options, main): Handle -f*leading-underscore.
2620 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
2621 referencing USER_LABEL_PREFIX directly.
2622 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
2623 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
2624 * final.c (asm_fprintf): Use user_label_prefix instead.
2625 * arm/thumb.c (thumb_print_operand): Likewise.
2627 * gcc.c (default_compilers): Pass -f*leading-underscore on to
2628 cpp wherever appropriate.
2630 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
2632 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
2633 specific compiler switches.
2635 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
2637 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
2640 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2642 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
2643 structure which has exactly the members provided by EXTRA_SPECS.
2644 Xmalloc() the real `extra_specs', and initialize it from this
2645 intermediate structure.
2647 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
2649 * mips.h (EXTRA_SPECS): Likewise.
2651 * sparc.h (EXTRA_SPECS): Likewise.
2653 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2655 * function.c (purge_addressof_1): Instead of aborting when a
2656 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
2657 work just put the ADDRESSOF on stack. Otherwise remember all such
2658 successfull replacements, so that exactly the same replacements
2659 can be made on the REG_NOTEs. Remove the special case for CALL
2661 (purge_addressof_replacements): New variable.
2662 (purge_addressof): Clear it at end.
2664 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2666 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
2667 (lang_init): Call check_newline always.
2668 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
2669 cpp_start_read, set yy_cur and yy_lim to read from
2670 parse_in.token_buffer, so that we'll see the first #line
2672 * cpplib.c (cpp_start_read): finclude the main input file
2673 before processing -include/-imacros. Process -imacros and
2674 -include separately, and handle -include by stacking a
2675 buffer for the file in question as if it'd been #included.
2676 * toplev.c (documented_lang_options) Recognize -H when
2679 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2681 * cpplib.c: Merge do_once into do_pragma. Break file handling
2682 code out of do_include.
2683 Move append_include_chain, deps_output,
2684 file_cleanup, redundant_include_p, import_hash,
2685 lookup_import, add_import, read_filename_string, read_name_map,
2686 open_include_file, finclude, safe_read to cppfiles.c.
2687 Move prototypes for deps_output, append_include_chain,
2688 finclude to cpplib.h. Move definition of struct
2689 file_name_list there also.
2691 * cppfiles.c: New file. Contains all the above functions
2692 broken out of cpplib.c; also hack_vms_include_specification
2693 from cccp.c and find_include_file, a new function broken out of
2696 * Makefile.in (cppmain): Depend on cppfiles.o.
2697 (fix-header): Likewise.
2698 (cppfiles.o): New target.
2699 * configure.in (--enable-c-cpplib): Add cppfiles.o to
2700 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
2702 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
2704 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
2705 if pending_types is non-zero.
2706 (dwarfout_finish): Verify pending_types is zero before finishing.
2708 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
2710 * expr.c (convert_move): Use shifts to perform the move if a
2711 suitable extend pattern cannot be found. Code written by
2712 Richard Henderson <rth@cygnus.com>.
2714 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2716 * regclass.c (renumber, regno_allocated): New static variables, moved
2717 out of allocate_reg_info.
2718 (allocate_reg_info): Move these two variables outside the function.
2719 Move code to free memory into new function free_reg_info.
2720 (free_reg_info): New function, broken out of allocate_reg_info.
2721 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
2722 * rtl.h (allocate_reg_info): Don't declare.
2723 (free_reg_info): Declare.
2725 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
2727 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
2729 * toplev.c (compile_file): Temporarily revert last change.
2731 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2733 * c-typeck.c (convert_for_assignment): Parenthesize.
2735 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2737 * reload1.c (delete_output_reload): Avoid ambigous else.
2739 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
2741 * toplev.c (compile_file): Call allocate_reg_info to free register
2743 * rtl.h (allocate_reg_info): Declare.
2745 * PROJECTS: Remove entry for local spilling.
2747 * final.c (cleanup_subreg_operands): New function.
2748 (final_scan_insn): Use it.
2749 (alter_subreg): Clear the "used" field when we turn a SUBREG into
2751 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
2752 operands when reload has finished.
2753 * reload.h (cleanup_subreg_operands): Declare..
2754 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
2755 reload. Handled in reload itself.
2757 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2759 * reload1.c (verify_initial_offsets): New function.
2760 (reload): Call it after reload_as_needed. Also verify that the frame
2761 size stays constant during reload_as_needed.
2762 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
2764 * reload.h (struct insn_chain): Add need_operand_change element.
2765 * reload1.c (new_insn_chain): Clear it.
2766 (calculate_needs_all_insns): Set it; don't overload need_reload.
2767 (reload_as_needed): Use it.
2769 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
2770 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
2771 and reload_address_index_reg_class.
2772 (find_reloads_address_1): Likewise.
2773 * reload.h (reload_address_base_reg_class,
2774 reload_address_index_reg_class): Don't declare.
2775 * reload1.c (reg_old_renumber, pseudo_previous_regs,
2776 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
2777 (used_spill_regs): Now static.
2778 (reload_address_base_reg_class, reload_address_index_reg_class,
2779 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
2780 basic_block_needs, max_needs, group_size, group_mode, max_groups,
2781 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
2784 (init_reload): Delete code to compute base/index reg classes.
2785 (reload): Delete variable J.
2786 Delete code to manage basic_block_needs.
2787 Don't compute regs_explicitly_used.
2788 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
2789 pseudo_previous_regs.
2790 Initialize bad_spill_regs_global.
2791 Don't call order_regs_for_reload here.
2792 Don't initialize spill_reg_order and n_spills.
2793 Don't forbid explicitly used regs to be used for spill regs.
2794 Change main loop to infinite loop, with explicit break statements.
2795 Make SOMETHING_CHANGED variable local to that loop.
2796 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
2797 max_groups_insn, max_nongroups_insn, group_size, group_mode.
2798 Make sure spilled_speudos is cleared before calling spill_hard_reg or
2800 Don't call dump_needs.
2801 Delete code to reset potential_reload_regs.
2802 Delete code to terminate loop conditional on the global needs variables
2803 showing no further needs.
2804 (calculate_needs_all_insns): Return void. All callers changed.
2805 Initialize somehing_needs_elimination here, not in reload.
2806 Delete avoid_return_reg kludge.
2807 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
2808 All callers changed.
2809 Initialize the group_mode and group_size elements of the arg CHAIN.
2810 Delete code to manage basic_block_needs.
2811 Operate on elements of CHAIN instead of global variables.
2812 Delete avoid_return_reg kludge.
2813 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
2814 All callers changed.
2815 Operate on elements of CHAIN instead of global variables.
2816 Delete special SMALL_REGISTER_CLASSES code.
2817 Delete spill_failure code; now in new_spill_reg.
2818 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
2819 All callers changed.
2820 Operate on elements of CHAIN instead of global variables.
2821 (maybe_mark_pseudo_spilled): New static function.
2822 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
2823 All callers changed.
2824 Operate on elements of CHAIN instead of global variables.
2825 Call order_regs_for_reload here, not in reload.
2826 Initialize spill_reg_order and n_spills.
2827 Simplify test whether an asm insn is involved.
2828 Delete spill_failure code; now in new_spill_reg.
2829 Call maybe_mark_pseudo_spilled for everything marked as live in
2830 CHAIN. Merge CHAIN's used_spill_regs into the global variable
2832 (dump_needs): Take CHAIN arg. No longer static, to prevent the
2833 compiler from optimizing this function (now unused) away.
2834 Operate on elements of CHAIN instead of global variables.
2835 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
2837 Operate on elements of CHAIN instead of global variables.
2838 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
2839 take CHAIN arg. All callers changed.
2840 Operate on elements of CHAIN instead of global variables.
2841 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
2842 CHAIN, NONGROUP args. Return void. All callers changed.
2843 Verify caller isn't trying to spill a pseudo.
2844 Simplify test for illegal reg, just use bad_spill_regs.
2845 Generate better error messages.
2846 Operate on elements of CHAIN instead of global variables.
2847 Mark spilled register in CHAIN's used_spill_regs element.
2848 Don't call spill_hard_reg.
2849 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
2850 Mark spilled hard regs in bad_spill_regs_global.
2851 Mark affected pseudos in spilled_pseudos, but don't spill them.
2852 (ior_hard_reg_set): New static function.
2853 (finish_spills): Return int. All callers changed.
2854 Compute spill_reg_order, n_spills and spill_regs here. Also update
2855 regs_ever_live for regs used as spills.
2856 For every pseudo in spilled_pseudos, spill it and mark the previous
2857 hard reg it had in pseudo_previous_regs. Compute which hard regs
2858 arseudo): New static function.
2859 (order_regs_for_reload): Take CHAIN arg. All callers changed.
2860 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
2861 hard registers explicitly used across the current insn into the set.
2862 Compute hard_reg_n_uses taking only pseudos live across this insn
2864 Tweak sorting of potential_reload_regs.
2865 (compare_spill_regs): Delete function.
2866 (reload_as_needed): Don't sort the spill_regs array, it's computed
2867 in proper order in finish_spills.
2868 Delete avoid_return_reg kludge.
2869 Delete code to manage basic_block_needs.
2870 (allocate_reload_reg): Minor speed/readability tweaks.
2871 Operate on elements of CHAIN instead of global variables.
2872 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
2873 Delete avoid_return_reg kludge.
2874 Initialize reload_reg_used from CHAIN's used_spill_regs element.
2875 Delete unused label FAIL.
2876 (reload_combine): Replce reload_address_index_reg_class with
2878 Don't use used_spill_regs to determine information about lifetime of
2881 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
2883 * toplev.c (display_help): Ignore empty target specific
2884 options, and if -W is also specified on the command line then
2885 display undocumented options.
2887 * config/arm/arm.c: Updated with changes in devo sources.
2888 * config/arm/arm.h: Updated with changes in devo sources.
2889 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
2890 * config/arm/lib1thumb.asm: Add ELF support.
2892 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
2894 * collect2.c (aix64_flag): New variable.
2895 (main, case 'b'): Parse it.
2896 (GCC_CHECK_HDR): object magic number must match mode.
2897 (scan_prog_file): Only check for shared object if valid header.
2898 Print debugging if header/mode mismatch.
2900 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
2902 Added support for arm-elf-linux configuration, submitted by Philip
2903 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
2904 code developed by Catherine Moore <clm@cygnus.com>. The following
2907 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
2910 * configure: Regenerated.
2912 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
2913 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
2914 definitions conditional on their not having been already defined.
2916 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
2917 and .type directives, and add "(PLT)" qualification to function
2920 * config/arm/linux.h: Deleted. This file is now superceeded by
2921 either linux-elf.h or linux-aout.h.
2923 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
2924 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
2926 Move definitions from old linux.h file here.
2928 * config/arm/elf.h: New file. Generic ARM/ELF support.
2930 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
2932 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
2934 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
2935 using the 26bit APCS.
2937 * config/arm/unknown-elf.h: New file. Support for OS'es other
2938 than Linux with ELF.
2940 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
2943 * config/arm/coff.h: Include aout.h for basic assembler macros.
2944 Add support for -mstructure_size_boundary=<n> command line option.
2946 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
2947 command line option. Make macro definitions conditional on their
2948 not having been already defined.
2950 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
2951 command line option.
2954 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
2956 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
2957 has been changed to not include a newline. Use this macro instead.
2958 (output_enumeral_list, const_value_attribute, name_attribute,
2959 comp_dir_attribute, prototyped_attribute, producer_attribute,
2960 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
2961 dwarfout_file_scope_decl, generate_new_sfname_entry,
2962 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
2963 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
2965 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
2967 * combine.c (subst): Process the inputs to a parallel asm_operands
2970 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
2972 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
2974 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
2976 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
2978 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
2980 * version.c: Bump for snapshot.
2982 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
2984 * stmt.c (expand_fixup): Set fixup->before_jump to a
2985 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
2987 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2989 * Makefile.in (recog.o): Depend on toplev.h.
2990 (insn-emit.o): Depend on recog.h.
2991 (insn-peep.o): Depend on recog.h and insn-config.h.
2993 * combine.c (simplify_set): Remove unused variable `scratches'.
2995 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
2996 and `idx' in macro conditional controlling their use.
2998 * genemit.c (main): Make the generated output file include
2999 recog.h. Don't have it declare `insn_operand_constraint', since
3000 we get it from recog.h.
3002 * genpeep.c (main): Make the generated output file include
3003 insn-config.h and recog.h.
3005 * recog.c: Include toplev.h.
3006 (extract_insn): Remove unused variable `p'.
3008 * regclass.c (fix_register): Add missing braces around initializer
3010 (allocate_reg_info): Move variable `i' into the scope where it is
3011 used. Change its type to `size_t'.
3013 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3015 * reload.c (push_reload): When merging reloads, make sure
3016 that reload_in_reg and reload_in are from the same reload in
3019 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
3021 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
3022 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3024 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
3026 * loop.c (loop_has_tablejump): New variable.
3027 (prescan_loop): Scan for it.
3028 (insert_bct): Replace explicit scan with use of it.
3029 * regclass.c (regclass): Restore loop variable j.
3030 (record_reg_classes): Deterine op_types modifiers and initialize
3031 classes[i] before matching constraints. Handle matching
3034 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
3036 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
3039 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3041 * mips.h (EXTRA_SPECS): Add missing initializers.
3043 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3045 * sparc.h (EXTRA_SPECS): Add missing initializers.
3046 (sparc_defer_case_vector): Provide a prototype.
3048 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
3049 comparing it to the result of a pointer subtraction.
3051 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3053 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
3054 the argument to (unsigned char).
3056 * alpha.h (EXTRA_SPECS): Add missing initializers.
3057 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
3060 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
3062 * flow.c (life_analysis_1): Enable "rescan" code after reload.
3063 (propagate_block): Delete dead code after reload.
3065 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
3066 back Oct 15, 1998 change.
3067 * haifa-sched.c (update_flow_info): Likewise.
3068 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
3070 * mn10200.md (truncated shift): Accept constant inputs too.
3072 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
3074 * machmode.h (mode_mask_array): No longer const.
3075 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
3077 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3079 * frame.c: Somewhat explain `FDE'.
3080 Suggested by Brendan Kehoe
3082 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
3084 * expr.c (pending_chain): Move up.
3085 (save_expr_status): Do save pending_chain.
3086 (restore_expr_status): And restore it.
3087 * function.h (struct function): Add pending_chain.
3089 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3091 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
3092 did not match the code.
3094 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3096 * regclass.c (regclass): Break out some code into new function
3097 scan_one_insn, and into regclass_init.
3098 (init_cost): New static variable, moved out of regclass.
3099 (regclass_init): Initialize it here, not in .
3100 (scan_one_insn): New static function, broken out of regclass.
3101 * recog.c (apply_change_group): Break out some code into new
3102 function insn_invalid_p.
3103 (insn_invalid_p): New static fn, broken out of apply_change_group.
3105 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
3107 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
3108 reg_reloaded_contents matches incremented pseudo.
3110 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
3112 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3114 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
3115 addressing modes with side effects. These are currently
3116 placeholders for the C4x target.
3118 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3120 * loop.c (express_from): Make sure that when generating a PLUS of
3121 a PLUS, any constant expression appears on the outermost PLUS.
3123 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
3125 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
3126 works if "$(srcdir)" != ".".
3128 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
3130 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
3131 existing SUBREG if we can, otherwise abort.
3133 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
3135 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
3136 `restrict' is applied to a non-pointer variable.
3138 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
3140 * invoke.texi: Document -flang-isoc9x.
3142 * Makefile.in (OBJS): Add splay-tree.o.
3143 (c-common.o): Depend on rtl.h.
3144 (splay-tree.o): List dependencies and provide build rule.
3146 * rtl.h (record_alias_subset): New function.
3147 * alias.c: Include splay-tree.h.
3148 (alias_set_entry): New type.
3149 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
3150 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
3151 (mems_in_disjoin_alias_sets_p): New function.
3152 (alias_set_compare): Likewise.
3153 (insert_subset_children): Likewise.
3154 (get_alias_set_entry): Likewise.
3156 * tree.h (TYPE_RESTRICT): New macro.
3157 (TYPE_UNQUALIFIED): New manifest constant.
3158 (TYPE_QUAL_CONST): Likewise
3159 (TYPE_QUAL_VOLATILE): Likewise.
3160 (TYPE_QUAL_RESTRICT): Likewise.
3161 (tree_type): Add restrict_flag. Reduce count of free bits.
3162 (DECL_POINTER_ALIAS_SET): New macro.
3163 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
3164 (tree_decl): Add pointer_alias_set.
3165 (build_qualified_type): New function.
3166 (build_type_variant): Define in terms of build_qualified_type.
3167 * tree.c (set_type_quals): New function.
3168 (make_node): Initializae DECL_POINTER_ALIAS_SET.
3169 (build_type_attribute_variant): Use build_qualified_type and
3171 (build_type_variant): Rename, and modify, to become...
3172 (build_qualified_type): New function.
3173 (build_complex_type): Use set_type_quals.
3175 * c-tree.h (C_TYPE_OBJECT_P): New macro.
3176 (C_TYPE_FUNCTION_P): Likewise.
3177 (C_TYPE_INCOMPLETE_P): Likewise.
3178 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
3179 (c_apply_type_quals_to_decl): New function.
3180 (c_build_qualified_type): New function.
3181 (c_build_type_variant): Define in terms of c_build_qualified_type.
3182 (flag_isoc9x): Declare.
3183 * c-typeck.c (qualify_type): Use c_build_qualified_type.
3184 (common_type): Change to use TYPE_QUALS.
3185 (comptypes): Likewise.
3186 (convert_for_assignment): Likewise.
3187 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
3188 * c-decl.c (flag_isoc9x): Define.
3189 (c_decode_option): Handle -flang-isoc9x.
3190 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
3191 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
3192 * c-lex.c (init_lex): Deal with restrict.
3193 (init_lex): Don't treat restrict as a reserved word in
3194 -traditional mode, or without -flang-isoc9x.
3195 * c-lex.h (rid): Add RID_RESTRICT.
3196 * c-parse.gperf (restrict, __restrict, __restrict__): Make
3197 equivalent to RID_RESTRICT.
3198 * c-parse.in (TYPE_QUAL): Update comment.
3199 * c-common.c: Include rtl.h.
3200 (c_find_base_decl): New function.
3201 (c_build_type_variant): Rename, and modify, to become ...
3202 (c_build_qualified_type): New function.
3203 (c_apply_type_quals_to_decl): Likewise.
3204 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
3205 a particular alias set for the reference.
3206 * toplev.c (documented_lang_options): Add -flang-isoc9x.
3208 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
3210 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
3211 command line switches.
3213 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
3215 * reload.c (loc_mentioned_in_p): Add missing braces to bind
3218 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
3220 * gcc.c (option_map): Added --classpath and --CLASSPATH.
3222 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
3224 * regclass.c (fix_register): Add error message.
3225 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
3228 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3230 * c-decl.c (warn_missing_noreturn): New global variable.
3231 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
3232 (finish_function): Implement missing noreturn warning.
3234 * c-tree.h (warn_missing_noreturn): Declare extern.
3236 * invoke.texi: Document new flags.
3238 * toplev.c (documented_lang_options): Add description.
3240 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3242 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
3243 loop optimization stable for the C4x.
3244 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
3245 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
3246 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
3248 (c4x_address_conflict): Be more paranoid when packing a volatile
3249 memref in a parallel load/store.
3251 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3253 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
3254 repeat_block_filler): Deleted.
3255 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
3256 Condition code not set if destination register from 'c' class.
3257 (*subbqi3_carry_clobber): Fix typo.
3259 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3261 * reorg.c (steal_delay_list_from_target) Check for insns that
3262 modify the condition codes and effect the direction of the jump
3265 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3267 * function.c (purge_addressof_1): Replace call to
3268 emit_insns_before() with emit_insn_before().
3270 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
3272 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
3274 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3276 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3278 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3280 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3281 clobbered across calls.
3283 * loop.c (scan_loop): Be more selective about what invariants are
3284 moved out of a loop.
3286 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
3288 * version.c: Bump for snapshot.
3290 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3292 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
3293 static eh_context structure.
3295 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3297 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
3299 (try_combine): Don't update max_scratch.
3300 * flow.c (max_scratch, num_scratch): Delete variables.
3301 (life_analysis_1): Don't initialize max_scratch.
3302 (propagate_block): Don't update max_scratch.
3303 (mark_set_1): Don't increment num_scratch.
3304 * regs.h (max_scratch): Delete declaration.
3306 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
3308 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
3309 is nonzero. This is temporary!
3311 * sched.c (update_flow_info): Handle death notes made invalid by
3312 instruction splitting. Partially reverts Oct 15, 1998 patch.
3313 * haifa-sched.c (update_flow_info): Likewise.
3315 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
3317 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
3318 if it has a nonzero DECL_INITIAL.
3320 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3322 * Makefile.in (flow.o): Depend on recog.h.
3324 * cpplib.h (directive_table): Add missing initializiers.
3325 (finclude): Change type of variable `bsize' to size_t.
3327 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
3329 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
3331 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
3332 `int' when comparing against one.
3333 (cpp_file_line_for_message): Mark parameter `pfile' with
3335 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
3337 * flow.c: Include recog.h.
3338 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
3340 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
3341 `f' with ATTRIBUTE_UNUSED.
3342 (reposition_prologue_and_epilogue_notes): Likewise.
3344 * genopinit.c (gen_insn): Cast argument of ctype functions to
3347 * haifa-sched.c: Include recog.h.
3348 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
3349 comparing against one.
3351 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
3353 * mips-tfile.c (parse_end): Cast the argument of ctype function to
3355 (parse_ent): Likewise.
3356 (parse_input): Likewise.
3358 * optabs.c (init_libfuncs): Likewise.
3360 * protoize.c (find_rightmost_formals_list): Likewise.
3362 * recog.h (const_double_operand): Fix typo in prototype.
3364 * tlink.c (scan_linker_output): Cast the argument of ctype
3365 function to `unsigned char'.
3367 * toplev.c (check_lang_option): Cast the result of `strlen' to
3368 `int' when comparing against one.
3370 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3372 * gcse.c (dump_cuid_table): Correct typo.
3374 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
3376 * toplev.c (display_help): Prepend '-m' to target specific
3378 (check_lang_option): Ignore text after end of first word of a
3379 language specific option.
3381 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3383 * reload1.c (reg_used_by_pseudo): New static variable.
3384 (choose_reload_regs): Initialize it.
3385 Use it instead of testing spill_reg_order to determine whether a
3386 pseudo is live in a hard register across the current insn.
3387 Fix a typo in a reference to reload_reg_rtx.
3389 * flow.c (propagate_block): Replace code that computes and uses
3390 regs_sometimes_live with simpler code that just walks the set of
3391 currently live registers.
3393 * Makefile.in (insn-extract.o): Fix dependencies.
3394 * genextract.c (main): Generate includes for insn-config.h and
3396 Delete generation of declarations which are now in recog.h.
3397 * genrecog.c (main): Delete generation of definitions which are
3399 * local-alloc.c (block_alloc): Use extract_insn and the variables
3400 it sets up instead of looking up values by insn_code.
3401 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
3402 recog_dup_num): Define here instead of generating the definition in
3404 (recog_n_operands, recog_n_dups, recog_n_alternatives,
3405 recog_operand_mode, recog_constraints, recog_operand_address_p):
3407 (extract_insn): New function.
3408 * recog.h (extract_insn): Declare function.
3409 (which_alternative, recog_n_operands, recog_n_dups,
3410 recog_n_alternatives, recog_operand_mode, recog_constraints,
3411 recog_operand_address_p): Declare variables.
3412 * regclass.c (n_occurrences): New static function.
3413 * reload.c (n_occurrences): Delete function.
3414 (find_reloads): Use extract_insn.
3415 * reload.h (n_occurrences): Delete declaration.
3417 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
3419 * reload1.c (reload_as_needed): Fix test for when to call
3420 update_eliminable_offsets.
3422 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3424 Fix consistency problems with reg_equiv_{mem,address};
3425 Improve reload inheritance;
3427 * reload.c (reload_out_reg): New variable.
3428 (loc_mentioned_in_p, remove_address_replacements): New functions.
3429 (remove_replacements): Deleted.
3430 (push_reload): Set reload_out_reg[i].
3431 When merging, also set reload_{in,out}_reg[i], and remove
3432 duplicate address reloads.
3433 (combine_reloads): Copy reload_out_reg[i].
3434 (find_reloads): Do make_memloc substitution also when
3435 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3437 Include *recog_operand_loc in commutativity operand changes.
3438 Generate optional output reloads.
3439 Delete reference to n_memlocs. Don't set *recog_operand_loc before
3440 processing operands. Call make_memloc in reg_equiv_address code.
3441 Set *recog_operand_loc only after processing operands, and only
3442 if replace is true. Return a value.
3443 When changing address reload types for operands that didn't get
3444 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
3445 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
3446 Don't emit USEs for pseudo SUBREGs when not replacing.
3447 (find_reloads_address): Do make_memloc substitution also when
3448 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3450 (find_reloads_toplev): Likewise.
3451 Call make_memloc in reg_equiv_address code.
3452 (debug_reload_to_stream): Add code to output reload_out_reg.
3453 (make_memloc): Delete local variable i, ifdefed out code, and
3454 references to memlocs and n_memlocs.
3455 (memlocs, n_memlocs): Delete.
3456 (push_secondary_reload): Clear reload_out_reg.
3457 (find_reloads_address_1): Provide memrefloc argument to all calls
3458 to find_reloads_address.
3459 In AUTO_INC code, handle non-directly addressable equivalences properly.
3460 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
3461 (find_reloads): Add return type.
3462 (remove_address_replacements, deallocate_reload_reg): Declare.
3463 * reload1.c (num_not_at_initial_offset): No longer static.
3464 (delete_address_reloads, delete_address_reloads_1): Likewise.
3465 (deallocate_reload_reg): New function.
3466 (spill_reg_stored_to): New array.
3467 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
3468 (eliminate_regs_in_insn): Move assignments of previous_offset and
3469 max_offset fields, and recalculation of num_not_at_initial_offset
3470 into new static function:
3471 (update_eliminable_offsets) .
3472 (reload_as_needed): Call update_eliminable_offsetss after calling
3474 Call forget_old_reloads_1 with contents of reloaded auto_inc
3475 expressions if the actual addressing can't be changed to match the
3477 (choose_reload_regs): For inheritance, replace
3478 reload_reg_free_before_p test with reload_reg_used_at_all test, and
3479 remove stand-alone reload_reg_used_at_all test.
3480 Use reload_out_reg to determine which reload regs have output reloads.
3481 Treat reload_override_in more similar to inherited reloads.
3482 Handle (subreg (reg... for inheritance.
3483 For flag_expensive_optimizations, add an extra pass to remove
3484 unnecessary reloads from known working inheritance.
3485 Delete obsolete code for pseudos replaced with MEMs.
3486 Handle inheritance from auto_inc expressions.
3487 (emit_reload_insns): If reload_in is a MEM, set OLD to
3489 Don't reload directly from oldequiv; if it's a pseudo with a
3490 stack slot, use reload_in[j].
3491 Check that reload_in_reg[j] is a MEM before replacing reload_in
3492 from reg_reloaded_contents.
3493 Include non-spill registers in reload inheritance processing.
3494 Also try to use reload_out_reg to set spill_reg_store /
3495 reg_last_reload_reg.
3496 In code to set new_spill_reg_store, use single_set to find out if
3497 there is a single set.
3498 Add code that allows to delete optional output reloads.
3499 Add code to allow deletion of output reloads that use no spill reg.
3500 At the end, set reload_override_in to oldequiv.
3501 Also call delete_output_reload if reload_out_reg is equal to old
3503 Add code to call delete_output_reload for stores with no matching load.
3504 Set / use spill_reg_stored_to.
3505 Handle case where secondary output reload uses a temporary, but
3506 actual store isn't found.
3507 When looking for a store of a value not loaded in order to call
3508 delete_output_reload, count_occurences should return 0 for no
3509 loads; but discount inherited input reloadill_reg_stored_to.
3510 Do checks for extra uses of REG. Changed all
3512 Use delete_address_reloads.
3513 (reload): Take return value of find_reloads into account.
3514 If a no-op set needs more than one reload, delete it.
3515 (reload_reg_free_before_p): RELOAD_FOR_INPUT
3516 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
3517 for the same operand.
3518 (clear_reload_reg_in_use): Check for other reloads that keep a
3520 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
3521 RELOAD_FOR_OPADDR_ADDR.
3522 Take into account when an address address reload is only needed
3523 for the address reload we are considering.
3524 (count_occurrences): Use rtx_equal_p for MEMs.
3525 (inc_for_reload): Return instruction that stores into RELOADREG.
3526 New argument two, IN, and rtx. Changed all callers.
3527 (calculate_needs_all_insns, reload_as_needed):
3528 Don't clear after_call for a CLOBBER.
3529 Keep track of how many hard registers need to be copied from
3530 after_call, and don't clear after_call before we have seen
3531 that much copies, or we see a different instruction.
3533 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
3535 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
3536 after reload has completed.
3538 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
3540 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
3541 a macro name and the next token with a single blank if that whitespace
3542 is in a macro buffer and the next token is not '('.
3544 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
3546 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
3548 (skip_if_group): Ditto.
3549 (skip_to_end_of_comment): Ditto.
3551 (discard_comments): Ditto.
3552 (change_newlines): Ditto.
3554 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
3556 * c-lex.c (yylex): Fix unaligned access of wchar_t.
3558 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
3560 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
3561 (TARGET_OPTIONS): Add --help documentation.
3563 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3565 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
3567 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
3569 * fixinc/* Moved in from ../contrib directory in preparation
3570 for integrating it into the normal build process. In particular,
3571 fixinc/Makefile.in must be config-ed into the build directory
3572 as fixinc/Makefile. Proposed patches to ./Makefile.in and
3573 ./configure.in will be "in the mail" momentarily.
3575 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
3577 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
3578 accidently walk into the free list. Comment how that can happen.
3579 (invalidate): Fix indentation.
3581 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3582 Jeffrey A Law (law@cygnus.com)
3584 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
3585 reload. Never perform rescans of the insn chain after reload.
3586 (propagate_block): Do not delete insn or create new autoinc addressing
3589 * jump.c (jump_optimize): Unconditionally use the code that was
3590 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
3591 * reload1.c (reload): When reloading is finished, delete all
3592 REG_DEAD and REG_UNUSED notes.
3593 (emit_reload_insns): Delete all code that was conditional on
3594 PRESERVE_DEATH_INFO_REGNO_P.
3595 (no_longer_dead_regs): Delete variable.
3596 (reload_cse_delete_death_notes): Delete function.
3597 (reload_cse_no_longer_dead): Delete function.
3598 (reload_cse_regs_1): Delete all code to handle deletion of death
3600 (reload_cse_noop_set_p): Likewise.
3601 (reload_cse_simplify_set): Likewise.
3602 (reload_cse_simplify_operands): Likewise.
3603 (reload_cse_move2add): Likewise.
3604 * reorg.c (used_spill_regs): Delete declaration.
3605 (max_label_num_after_reload): Delete declaration.
3606 (find_dead_or_set_registers): Don't assume that spill regs are
3607 dead at a CODE_LABEL.
3608 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
3610 * sched.c (sched_analyze_insn): Likewise.
3611 (update_flow_info): Likewise.
3612 * haifa-sched.c (sched_analyze_insn): Likewise.
3613 (update_flow_info): Likewise.
3614 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
3615 * toplev.c (max_label_num_after_reload): Delete variable.
3616 (rest_of_compilation): Don't set max_label_num_after_reload.
3617 Call life_analysis after reload_cse_regs if optimizing.
3618 * config/gmicro/gmicro.h: Delete comment referring to
3619 PRESERVE_DEATH_INFO_REGNO_P.
3620 * config/i386/i386.h: Likewise.
3621 * config/m88k/m88k.h: Likewise.
3622 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
3623 * config/sh/sh.h: Likewise.
3625 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
3627 * loop.c (strength_reduce): Restore marking bct_p as
3629 * rs6000.c (optimization_options): Change #ifdef HAIFA to
3630 HAVE_decrement_and_branch_on_count.
3631 (small_data_operand): Remove TARGET_ELF condition for marking
3632 parameters ATTRIBUTE_UNUSED.
3634 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
3636 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
3637 (SELECT_SECTION): Resync with svr4.h.
3639 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
3641 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
3644 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
3646 * c-pragma.c (handle_pragma_token): Test for null tree before
3647 dereferencing TREE_CODE.
3649 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3651 * config/c4x/c4x.c: Convert to use GEN_INT.
3652 (c4x_parallel_process): Rework to handle new repeat loop structure.
3654 * config/c4x/c4x.md: Convert to use GEN_INT.
3655 (rptb_end): Convert to use GE test. Replace uses with clobbers.
3656 (decrement_and_branch_on_count): Likewise.
3658 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
3659 loop.c has the desired functionality.
3660 (rc_reg_operand): New prototype.
3662 * config/c4x/t-c4x: Can now build all front ends.
3664 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
3666 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
3668 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
3670 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
3671 * config/t-rtems: Do not install assert.h -- use newlib's.
3673 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3675 * combine.c (combine_instructions): When finished, call init_recog.
3676 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
3678 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
3680 * toplev.c: If flag_syntax_only, don't open or write assembler file.
3682 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3684 * cppalloc.c (memory_full): Mark function prototype with
3687 * demangle.h (collect_exit): Likewise.
3689 * fix-header.c (v_fatal, fatal): Likewise.
3691 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
3694 * gcov.c (print_usage): Likewise.
3696 * genattr.c (fatal, fancy_abort): Likewise.
3698 * genattrtab.c (fatal, fancy_abort): Likewise.
3700 * gencodes.c (fatal, fancy_abort): Likewise.
3702 * genconfig.c (fatal, fancy_abort): Likewise.
3704 * genemit.c (fatal, fancy_abort): Likewise.
3706 * genextract.c (fatal, fancy_abort): Likewise.
3708 * genflags.c (fatal, fancy_abort): Likewise.
3710 * genopinit.c (fatal, fancy_abort): Likewise.
3712 * genoutput.c (fatal, fancy_abort): Likewise.
3714 * genpeep.c (fatal, fancy_abort): Likewise.
3716 * genrecog.c (fatal, fancy_abort): Likewise.
3718 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
3719 __sjpopnthrow, __throw): Likewise.
3721 * objc/objc-act.c (objc_fatal): Likewise.
3723 * protoize.c (usage, aux_info_corrupted,
3724 declare_source_confusing): Likewise.
3726 * rtl.c (dump_and_abort): Likewise.
3728 * rtl.h (sets_cc0_p): Likewise.
3730 * toplev.c (float_signal, pipe_closed): Likewise.
3732 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3734 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
3735 when generating the decision tree for the general case.
3737 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
3738 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
3740 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3742 * Makefile.in (sched.o): Depend on recog.h.
3744 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
3745 (unsigned) when comparing against one.
3746 (find_base_value): Likewise.
3747 (record_base_value): Cast variable `regno' to (unsigned) when
3748 comparing against one. Cast the result of REGNO() macro to
3749 (unsigned) when comparing against one.
3750 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
3752 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
3753 variable where an unsigned index is needed.
3755 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
3756 before comparing against one.
3758 * collect2.c: Add prototypes for functions `error', `fatal' and
3759 `fatal_perror'. Make these functions take variable arguments
3760 instead of faking it with a fixed number of args.
3761 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
3764 * combine.c (can_combine_p): Mark parameter `pred' with
3766 (find_split_point): Cast variable `src' to (unsigned
3767 HOST_WIDE_INT) when comparing against one.
3768 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
3769 (simplify_logical): Likewise.
3770 (force_to_mode): Cast result of INTVAL() macro to (unsigned
3771 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
3772 HOST_WIDE_INT) in shift.
3773 (simplify_and_const_int): Cast result of INTVAL() macro to
3774 `unsigned HOST_WIDE_INT' when comparing against one.
3775 (merge_outer_ops): Cast variable const0 to `unsigned
3776 HOST_WIDE_INT' when comparing against the result of
3777 GET_MODE_MASK() macro.
3778 (simplify_comparison): Likewise for variable `c0'. Cast variable
3779 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
3780 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
3781 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
3782 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
3783 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
3784 comparing against one.
3785 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
3787 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
3788 macro to `unsigned HOST_WIDE_INT' when comparing against one.
3789 (output_block_move): Cast `sizeof' expression to (int) when
3790 comparing against one.
3791 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
3793 (save_restore_insns): Cast `base_offset' to `long' to match format
3794 specifier in fprintf.
3796 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
3797 to `enum machine_mode'.
3799 * flow.c (life_analysis_1): Remove unused variable `insn'.
3801 * gcc.c (translate_options): Move variables `j' and `k' into the
3802 scope in which they are used. Change their types to `size_t'.
3803 (set_spec): Cast the argument of ctype macro to `unsigned char'.
3804 (read_specs): Likewise.
3805 (process_command): Cast `sizeof' to (int) when comparing against one.
3806 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
3807 (handle_braces): Cast both sides of `==' expression to `long' to
3808 ensure sign matching.
3809 (main): Cast variable `i' to `int' when comparing against one.
3811 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
3812 int to size_t. Cast variable `i' to size_t when comparing against
3815 * genattrtab.c (convert_set_attr_alternative): Remove unused
3816 parameter `insn_code'. All callers changed.
3817 (convert_set_attr): Likewise.
3819 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
3820 size_t when comparing against one. Likewise for variable `len'.
3822 * global.c (global_alloc): Cast variable `max_regno' to size_t
3823 when comparing against one. Likewise for variable `max_allocno'.
3825 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
3827 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
3828 `set' with ATTRIBUTE_UNUSED.
3829 (find_free_reg): Cast `sizeof' expression to (int) when comparing
3832 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
3833 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
3834 (get_condition): Cast variable `const_val' to `unsigned
3835 HOST_WIDE_INT' when comparing against one. Cast unsigned
3836 expression to HOST_WIDE_INT when comparing against one.
3837 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
3838 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
3839 `unsigned' when comparing against one.
3841 * protoize.c (is_id_char): Change type of parameter `ch' to
3843 (munge_compile_params): Cast argument of ctype macro to (const
3845 (process_aux_info_file): Cast variable `aux_info_size' to int when
3846 comparing against one.
3847 (forward_to_next_token_char): Cast argument of ctype macro to
3848 `const unsigned char'.
3849 (edit_formals_lists): Likewise.
3850 (find_rightmost_formals_list): Likewise.
3851 (add_local_decl): Likewise.
3852 (add_global_decls): Likewise.
3853 (edit_fn_definition): Likewise.
3854 (do_cleaning): Likewise.
3855 (scan_for_missed_items): Likewise.
3856 (edit_file): Cast variable `orig_size' to (int) when comparing
3858 (main): Cast argument of ctype macro to `const unsigned char'.
3860 * recog.c (const_int_operand): Mark parameter `mode' with
3863 * regclass.c (record_reg_classes): Change type of variable `c' to
3864 `unsigned char'. Cast `char' array index to `unsigned char'.
3866 * reload.c (push_secondary_reload): Cast argument to
3867 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
3869 * reload1.c (calculate_needs): Cast `char' array index to
3871 (set_label_offsets): Change type of variable `i' to unsigned int.
3872 Cast result of XVECLEN() macro to unsigned when comparing against
3874 (mark_not_eliminable): Change type of variable `i' to unsigned.
3875 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
3876 when comparing against one.
3877 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
3878 comparing against one.
3879 (choose_reload_regs): Hide unused label `fail'.
3880 (reload_cse_simplify_operands): Cast `char' array index to
3882 (reload_combine_note_store): Mark parameter `set' with
3883 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
3885 (reload_cse_move2add): Remove unused variable `src2'.
3887 * sched.c: Include recog.h.
3888 (sched_note_set): Remove unused parameter `b'. All callers
3890 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
3891 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
3892 when comparing against one.
3894 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
3895 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
3896 comparing against one.
3898 * unroll.c (precondition_loop_p): Remove unused parameter
3899 `loop_end'. All callers changed.
3901 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3903 * reload1.c (maybe_fix_stack_asms): New static function.
3906 * reload.h (compute_use_by_pseudos): Declare.
3908 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
3909 (something_needs_reloads): Delete variable.
3910 (finish_spills): New function.
3911 (compute_use_by_pseudos): New function.
3913 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
3914 Use the reload_insn_chain instead of walking the rtl directly.
3916 (reload): Allocate and free spilled_pseudos.
3917 Ensure that all calls of spill_hard_reg are followed by a call to
3919 Use the insns_need_reload list instead of something_needs_reloads
3920 to find out if reload_as_needed must be called.
3921 Clear unused_insn_chains at the end.
3923 (calculate_needs_all_insns): Lose FIRST parameter. All callers
3925 Delete code to keep track of current basic block.
3926 Walk reload_insn_chain instead of the rtl structure. Build the
3927 insns_need_reload chain.
3928 Remember which insns need reloading/elimination by setting the
3929 appropriate fields in struct insn_chain, not by putting modes on the
3932 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
3933 arg INSN. All callers changed.
3934 Delete declaration of struct needs.
3935 Don't set something_needs_reloads.
3936 Record insn needs in the CHAIN argument.
3938 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
3940 (reload_as_needed): Lose FIRST arg. All callers changed.
3941 Walk the reload_insn_chain instead of the rtx structure.
3942 Delete code to keep track of current basic block.
3943 Rename one of the NEXT variables to OLD_NEXT.
3945 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
3947 (choose_reload_regs): Likewise.
3949 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
3952 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
3953 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
3954 (hard_regs_live, hard_regs_need_restore): Delete variables.
3955 (n_regs_saved): Now static.
3956 (referenced_regs, this_insn_sets): New variables.
3958 (setup_save_areas): Restructure the code a bit.
3960 (restore_referenced_regs): Delete function.
3961 (mark_referenced_regs): New function, similar to the old
3962 restore_referenced_regs, but mark registers in referenced_regs.
3964 (clear_reg_live): Delete function.
3965 (mark_set_regs): Renamed from set_reg_live. All callers changed.
3966 Only mark registers in this_insn_sets.
3968 (save_call_clobbered_regs): Rework this function to walk the
3969 reload_insn_chain instead of using the list of instructions directly.
3970 Delete code to keep track of register lives, compute live regs on the
3971 fly from information in the chain.
3972 Instead of calling restore_referenced_regs, use mark_referenced_regs,
3973 then walk the set it computes and call insert_restore as appropriate.
3975 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
3977 Restructure the code a bit. Test hard_regs_saved instead of
3978 hard_regs_need_restore.
3979 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
3980 args. All callers changed.
3981 Restructure the code a bit. Use TO_SAVE to determine which regs to
3982 save instead of more complicated test.
3983 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
3985 Create a new insn_chain structure for the new insn and place it
3988 * rtl.texi: Update documentation to reflect that reload no longer
3989 puts modes on the insns.
3991 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3993 * function.c (purge_addressof_1): Force the first argument of a
3994 CALL insn to memory.
3996 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
3998 * rtl.h: Delete duplicate prototypes. Add some missing
4000 * rtlanal.c: (for_each_rtx): Formatting tweak.
4002 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4004 * real.c (emdnorm and etoasc): Disable round to even for c4x target
4005 to be compatible with TI compiler.
4007 * Makefile.in (USER_H): Add va-c4x.h to definition.
4009 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
4011 * function.c (purge_addressof_1): Fix typo in inequality: do
4012 bitfield optimization for equal mode sizes.
4013 * expmed.c (store_bit_field): Don't take subregs of subregs in
4014 the movstrict case. Tidy a potential problem in the multi-word case.
4015 (extract_bit_field): Likewise.
4017 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4019 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
4021 Compute max_uid_for_flow by calling get_max_uid after the scan.
4022 (find_basic_blocks_1): Don't emit NOPs here.
4024 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
4026 * alias.c (base_alias_check): Accept new args for the modes of the
4027 two references. Use them to determine if an AND can overlap. Update
4029 (memrefs_conflict_p): Assume sizes are aligned, and uses them
4030 to determine if an AND can overlap.
4032 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
4034 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
4035 check. Add comment to document problems with TARGET_SUN_FPA version
4037 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
4039 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4041 * Makefile.in (gencheck.o): Depend on gansidecl.h.
4043 * c-common.c (print_char_table): Add missing initializers.
4044 (scan_char_table): Likewise.
4045 (time_char_table): Likewise.
4047 * c-decl.c (c_decode_option): Mark parameter `argc' with
4049 (declare_parm_level): Mark parameter `definition_flag' with
4052 * c-lex.c (readescape): Use `(unsigned)1' in shift.
4053 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
4056 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
4058 (emit_call_1): Mark parameters `fndecl' and `funtype' with
4060 (expand_call): Cast result of MIN() to (unsigned int) when
4061 comparing against an unsigned value.
4063 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
4065 (make_definition): Remove unused parameter `op'. All callers
4067 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
4068 comparing against the result of pointer arithmetic.
4070 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
4071 when comparing against one.
4073 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
4074 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
4076 (output_die): Move variable `i' into the scope in which it is
4077 used. Change its type to `unsigned'.
4078 (output_die): Cast the result of `strlen' to (int) when passing it
4079 to ASM_OUTPUT_ASCII().
4080 (output_pubnames): Likewise.
4081 (output_line_info): Likewise.
4083 * emit-rtl.c (global_rtl): Add missing initializers.
4085 * explow.c (promote_mode): Mark parameter `for_call' with
4088 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
4089 `unsigned HOST_WIDE_INT' when comparing against one.
4090 (synth_mult): Change type of variable `cost' to int.
4091 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
4093 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
4094 when comparing against one.
4095 (get_inner_reference): Change variable `alignment' to unsigned.
4096 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
4097 int) when comparing against one.
4098 (expand_builtin_setjmp): Change type of variable `i' to size_t.
4100 * fold-const.c (div_and_round_double): Cast BASE to
4101 (HOST_WIDE_INT) when comparing against one.
4103 * gencheck.c: Include gansidecl.h.
4104 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
4106 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
4107 `tcode' with ATTRIBUTE_UNUSED.
4109 * real.c (edivm): Cast constant value to (unsigned long) in
4110 expression compared against an unsigned value.
4112 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
4113 comparing against one.
4114 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
4115 when comparing against one.
4117 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
4118 (unsigned int) when comparing against one. Likewise for
4120 (smallest_mode_for_size): Likewise.
4121 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
4122 (restore_storage_status): Likewise.
4124 * toplev.c (debug_args): Add missing initializer.
4125 (f_options): Spelling correction. Add missing initializers.
4126 (documented_lang_options): Likewise.
4127 (debug_end_source_file): Mark parameter `lineno' with
4130 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
4131 `decl' and `type' with ATTRIBUTE_UNUSED.
4133 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
4134 when comparing against one.
4135 (assemble_variable): Mark parameter `top_level' with
4137 (assemble_external_libcall): Mark parameter `fun' with
4139 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
4142 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
4144 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
4145 Replace use of r5 with use of r19.
4147 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
4149 * config/v850/v850.c (compute_register_save_size): Allow for the
4150 fact that helper functions save all registers, not just those used
4153 Replace constant 31 with macro LINK_POINTER_REGNUM.
4155 * config/v850/v850.md: Use 'indirect_operand' rather than
4156 'memory_operand' for bit test/set/clear patterns.
4158 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
4160 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
4161 * varasm.c (assemble_start_function et al): Don't call
4162 ASM_GLOBALIZE_LABEL for weak symbols.
4164 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
4166 * cse.c (equiv_constant): Check for NULL return from
4167 gen_lowpart_if_possible().
4169 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
4171 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
4173 * collect2.c (main): Pass -EL/-EB through to the compiler.
4175 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4177 * expr.c (push_block): Handle targets where the stack grows
4178 to higher addresses, but args grow to lower addresses and
4179 ACCUMULATE_OUTGOING_ARGS is not defined.
4181 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
4183 * config/v850/v850.c (print_operand): Extend meaning
4184 of 'c' operands to support .vtinherit.
4186 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4188 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
4189 Added ATTRIBUTE_UNUSED to unused function arguments.
4190 (rc_reg_operand): New predicate.
4191 (c4x_rptb_insert): New function.
4192 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
4193 (c4x_optimization_options): New function.
4195 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
4196 (decrement_and_branch_on_count): New pattern.
4197 (rptb_top): Modified pattern to work with BCT optimization.
4199 * config/c4x/c4x.h (RC_REG): New register class.
4200 (rc_reg_operand): Define prototype.
4201 (IS_RC_REG): New macro.
4202 (IS_RC_OR_PSEUDO_REG): New macro.
4203 (IS_RC_OR_PSEUDO_REGNO): New macro.
4204 (OPTIMIZATION_OPTIONS): Define.
4206 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
4208 * collect2.c (extract_init_priority): No priority is 65535.
4210 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4212 * Makefile.in (build_tooldir): new variable, same as old
4213 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
4214 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
4215 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
4217 * configure.in (gxx_include_dir): set default based on unlibsubdir
4218 * Makefile.in (tooldir): ditto
4219 (cccp.o, cpplib.o): use unlibsubdir implicitly through
4220 gxx_include_dir, includedir and tooldir
4221 (protoize.o, unprotoize.o): ditto
4223 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
4225 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
4227 * config/arm/thumb.c (thumb_override_options): Add warning about
4228 PIC code not being supported just yet.
4230 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
4232 * flow.c: Update comment.
4233 (notice_stack_pointer_modification): New static function.
4234 (record_volatile_insns): Use it.
4235 (mark_regs_live_at_end): Mark the stack pointer as alive
4236 at the end of the function if current_function_sp_is_unchanging
4238 (life_analysis_1): Set current_function_sp_is_unchanging.
4239 * function.c: Define it.
4240 (init_function_start): Initialize it.
4241 * output.h: Declare it.
4242 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
4243 the stack pointer as alive at the end of the function if
4244 current_function_sp_is_unchanging is set.
4245 * i386.c (ix86_epilogue): Optimize the restoring
4246 of the stack pointer.
4248 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
4250 * version.c: Bump for snapshot.
4252 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
4254 * c-pragma.c (handle_pragma_token): If passed a token instead
4255 of a tree, use that as the pack value.
4257 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
4259 * flow.c (find_basic_blocks_1): Fix prototype.
4261 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
4263 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
4264 (struct tree_decl): New fields no_check_memory_usage.
4265 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
4266 (init_attributes): Register it as a new attribute.
4267 (decl_attributes): Set flags on functions given that attribute.
4268 * c-decl.c (duplicate_decls): Merge new attribute.
4269 * expr.h (current_function_check_memory_usage): Declare new var.
4270 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
4271 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
4272 current_function_check_memory_usage.
4273 * function.h: Add field to struct function.
4274 * function.c (current_function_check_memory_usage): Define it.
4275 (push_function_context_to, pop_function_context_from): Save and
4277 (expand_function_start): Set it, based on global flag and function
4280 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4281 check non-automatic variables, to permit detection of writes to
4282 read-only locations in embedded systems without memory management.
4283 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4284 when emitting chkr_set_right_libfunc call, even if the argument is
4285 BLKmode or variable-sized; don't abort.
4287 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
4288 symbols in Pmode, not VOIDmode.
4290 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4292 * cppexp.c: When forcing unsigned comparisons, cast both sides
4295 * cpphash.h: Move static declaration of hashtab[]...
4296 * cpphash.c: ...here.
4298 * cpplib.c: Cast difference of two pointers to size_t before
4299 comparing it to size_t. Cast signed to unsigned
4300 before comparing to size_t. (FIXME: struct argdata should use
4301 unsigned buffer sizes.)
4302 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
4303 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
4304 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
4305 size_t before comparison.
4307 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
4309 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
4310 (find_basic_blocks_1): Similarly.
4311 * output.h (find_basic_blocks): Fix prototype.
4312 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
4313 find_basic_blocks anymore.
4315 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
4317 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
4318 (sbitmap_free, sbitmap_vector_free): New macros.
4319 * output.h (rtl_dump_file): Declare.
4321 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
4323 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
4325 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4327 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
4329 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
4330 (divide): Remove unused variable `tmp'.
4331 (si_to_float): Cast numeric constant to (SItype) before comparing
4334 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
4336 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
4337 * gcc.c (add_preprocessor_option): Correct typo when allocating
4338 memory, sizeof() argument had one too many `*'.
4339 (add_assembler_option): Likewise.
4340 (add_linker_option): Likewise.
4341 * gcov.c (output_data): Likewise.
4342 * local-alloc.c (memref_used_between_p): Likewise.
4343 (update_equiv_regs): Likewise.
4344 * loop.c (strength_reduce): Likewise.
4345 * reg-stack.c (record_asm_reg_life): Likewise.
4346 (subst_asm_stack_reg): Likewise.
4347 * reorg.c (dbr_schedule): Likewise.
4349 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4351 * flow.c (life_analysis_1): Break out some functions.
4352 (find_basic_blocks_1): Likewise. Also move some variables out and
4354 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
4355 new static var nonlocal_label_list with it.
4356 (active_eh_region, nested_eh_region, label_value_list,
4357 nonlocal_label_list): New static variables.
4358 (make_edges, delete_unreachable_blocks, delete_block): New static
4359 functions, broken out of find_basic_blocks_1.
4360 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
4361 noop_move_p): New static functions, broken out of life_analysis_1.
4363 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
4365 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
4366 Take extra care for op0 now possibly being a subreg.
4367 (extract_bit_field): Likewise.
4368 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
4369 the reg to memory if there is no equal sized integral mode.
4370 * stor-layout.c (int_mode_for_mode): New function.
4371 * machmode.h: Prototype it.
4373 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
4375 * global.c (build_insn_chain): Verify no real insns exist past the
4376 end of the last basic block, then exit the loop.
4378 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4380 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
4382 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
4384 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
4386 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
4388 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
4390 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
4392 * flow.c (find_basic_blocks): Correctly determine when a call
4393 is within an exception region.
4395 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
4397 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
4399 * cpplib.h: Protect from multiple inclusions.
4400 * cpplib.c: Fix minor formatting problems.
4402 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
4404 * jump.c (jump_optimize): Revert accidental patch.
4406 * Makefile.in (cpplib.o): Use unlibsubdir.
4408 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
4410 * loop.c (get_condition): Allow combine when either compare is
4413 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
4415 * version.c: Bump for snapshot.
4417 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
4419 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
4420 (init_lex): Initialize ridpointers[RID_BYREF].
4421 * c-lex.h (enum rid): Add RID_BYREF.
4422 * c-parse.gperf: Add RID_BYREF as a type qualifier.
4423 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
4424 (encode_type_qualifiers): Similarly
4425 * c-gperf.h: Rebuilt.
4427 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
4429 * c-common.c (type_for_mode): Only return TItype nodes when
4430 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4431 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
4432 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4433 (init_decl_processing): Only create TItype nodes when
4434 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4435 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
4436 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4438 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4440 * stmt.c (n_occurrences): New static function.
4441 (expand_asm_operands): Verify that all constrains match in the
4442 number of alternatives.
4443 Verify that '+' or '=' are at the beginning of an output constraint.
4444 Don't allow '&' for input operands.
4445 Verify that '%' isn't written for the last operand.
4446 * reload.c (find_reloads): Abort if an asm is found with invalid
4447 constraints; all possible problems ought to be checked for earlier.
4449 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4451 * flags.h (flag_branch_on_count_reg): Always declare
4452 * toplev.c (flag_branch_on_count_reg): Likewise.
4453 * toplev.c: Fix typos.
4455 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
4458 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
4460 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
4462 (find_basic_blocks_1): Add a nop to the end of a basic block when
4463 a trailing call insn does not have abnormal control flow.
4464 * gcse.c (pre_transpout): New variable.
4465 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
4466 (compute_pre_transpout): Calculate it.
4467 (compute_pre_ppinout): Use it to eliminate impossible placements
4468 due to abnormal control flow through calls.
4469 (compute_pre_data): Call compute_pre_transpout.
4471 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4473 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
4475 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
4477 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
4478 and matching define_insns): Tack on a `use' of the table label, so
4479 flow analysis will recognize a tablejump.
4481 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
4483 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
4484 always end basic blocks for abnormal edge reasons.
4486 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
4488 * config/i386/i386.h: Remove definition of
4489 HANDLE_PRAGMA_PACK_PUSH_POP.
4491 * config/i386/go32.h: Add definition of
4492 HANDLE_PRAGMA_PACK_PUSH_POP.
4494 * config/i386/win32.h: Add definition of
4495 HANDLE_PRAGMA_PACK_PUSH_POP.
4497 * config/i386/cygwin32.h: Add definition of
4498 HANDLE_PRAGMA_PACK_PUSH_POP.
4500 * c-pragma.c (insert_pack_attributes): Do not insert
4501 attributes unless #pragma pack(push,<n>) is in effect.
4503 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
4505 * expr.c (emit_group_store): Handle a PARALLEL destination.
4507 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
4509 * gcse.c (pre_insert_insn): When a call ends a bb, insert
4510 the new insns before the argument regs are loaded.
4512 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4514 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
4515 (c-parse.gperf): Update comments describing invocation flags.
4516 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
4518 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
4520 * reload1.c (reload): Call free before clobbering the memory
4521 locations or constants pointers.
4523 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4525 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
4526 for efficiency by checking whether we need to modify the current
4527 stack permission at all.
4528 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
4529 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
4530 __enable_execute_stack libcall here too if
4531 TRANSFER_FROM_TRAMPOLINE is defined.
4532 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
4535 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
4537 * Makefile.in (DRIVER_DEFINES): Remove last change.
4539 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4541 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
4542 insns we're going to copy.
4543 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
4545 * loop.c (count_one_set): Add prototype.
4547 * caller-save.c (restore_referenced_regs): Lose mode argument.
4548 (insert_save): Lose mode argument.
4549 (insert_restore): Lose mode argument.
4550 (insert_one_insn): Lose mode argument.
4551 (save_call_clobbered_regs): Lose mode argument.
4552 (setup_save_areas): Take no argument and return void. All callers
4554 Don't verify validity of memory addresses.
4555 * reload.h (setup_save_ares): Adjust prototype.
4556 (save_call_clobbered_regs): Likewise.
4557 * reload1.c (delete_caller_save_insns): New function.
4558 (caller_save_spill_class): Delete variable.
4559 (caller_save_group_size): Delete variable.
4560 (reload): Call setup_save_areas and save_call_clobbered_regs
4561 in the main loop, before calling calculate_needs_all_insns.
4562 Don't call save_call_clobbered_regs after the loop.
4563 Call delete_caller_save_insns at the end of an iteration if
4565 Delete code to manage caller_save_spill_class.
4566 Emit the final note before setting reload_first_uid.
4567 Simplify test that determines whether reload_as_needed gets run.
4568 (calculate_needs): Delete code to manage caller_save_spill_class.
4570 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
4572 * collect2.c (main): Initialize ld_file_name.
4574 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
4576 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
4577 check for flag_function_sections.
4579 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4581 * cse.c (insert_regs): Fix bug in Sep 24 change.
4583 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4585 * flags.h (flag_dump_unnumbered): Declare.
4586 * toplev.c (flag_dump_unnumbered): Don't declare.
4587 * print-rtl.c (flags.h): Include.
4588 (print_rtl_single): Add return value.
4589 * rtl.h (print_rtl_single): Update declaration.
4590 * flow.c (flag_dump_unnumbered): Don't declare.
4591 (print_rtl_with_bb): Use return value of print_rtl_single.
4593 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4595 * loop.c (count_one_set): New static function, broken out of
4597 (count_loop_regs_set): Call it.
4598 * global.c (mark_reg_store): Handle clobbers here by not calling
4600 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
4601 is in fact a clobber.
4602 * integrate.c (process_reg_param): New function, broken out of
4603 expand_inline_function.
4604 (expand_inline_function): Call it.
4607 * i386.md (addsidi3_1): Delete unused variable temp.
4608 (addsidi3_2): Likewise.
4609 (clstrstrsi): Delete unused variable addr1.
4611 * rtl.h: Don't declare any functions also declared in recog.h.
4613 * Makefile.in (stupid.o): Update dependencies.
4614 (global.o): Likewise.
4616 * global.c: Include reload.h
4617 (reg_becomes_live): New function.
4618 (reg_dies): New function.
4619 (build_insn_chain): New function.
4620 (global_alloc): Call build_insn_chain before calling reload.
4622 * reload.h (struct needs): New structure definition.
4623 (struct insn_chain): Likewise.
4624 (reload_insn_chain): Declare variable.
4625 (new_insn_chain): Declare function.
4628 * reload1.c (reload_startobj): New variable.
4629 (reload_insn_chain): New variable.
4630 (unused_insn_chains): New variable.
4631 (new_insn_chain): New function.
4632 (init_reload): Initialize reload_startobj, not reload_firstobj.
4633 (reload): Initialize reload_firstobj.
4634 Before returning, free everything on the reload_obstack.
4636 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
4637 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
4638 current_chain): New variables.
4639 (reg_where_born): Delete variable.
4640 (REG_WHERE_BORN): New macro.
4641 (find_clobbered_regs): New function.
4642 (stupid_life_analysis): Don't allocate/free reg_where_born.
4643 Allocate and free reg_where_born_exact, reg_where_born_clobber,
4644 reg_where_dead_chain.
4645 Use REG_WHERE_BORN instead of reg_where_born.
4646 While processing the insns, build the reload_insn_chain with
4647 information about register lifetimes.
4648 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
4649 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
4651 Compute and information about birth and death of pseudo registers in
4652 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
4653 Delete code to set elements of reg_where_born.
4655 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4657 * tree.def (GOTO_EXPR): Modified documentation.
4658 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
4661 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
4663 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
4664 loop_final_value, loop_comparison_code): No longer static.
4665 (unroll_loop): Delete loop_start_value update.
4666 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
4667 loop_final_value, loop_comparison_code): Extern.
4668 (loop_start_value): Delete extern.
4669 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
4670 loop_comparison_value, loop_comparison_code): Delete.
4671 (loop_optimize): Remove initialization for deleted variables.
4672 (strength_reduce): Delete analyze_loop_iterations call. Only call
4673 insert_bct if flag_branch_count_on_reg set.
4674 (analyze_loop_iterations): Delete.
4675 (insert_bct): Remove iteration count calculation. Move checks for
4676 viable BCT optimization to here. Obtain iteration count from
4677 loop_iterations and correct for unrolling. Check for enough
4678 iteration to be beneficial. Comment out runtime iteration count
4680 (insert_bct): Print iteration count in dump file. Remove
4681 loop_var_mode and use word_mode directly.
4683 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
4684 * rs6000.c (rs6000_override_options): Use it.
4685 (optimization_options): Enable use of flag_branch_on_count_reg.
4686 * rs6000.md (define_function_unit): Describe 604e.
4688 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4690 * loop.c (move_movables): Corrected threshold calculation for
4691 moved_once registers.
4693 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4695 * loop.c (combine_givs_p): Fix test for identical givs.
4697 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
4699 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
4700 call abort if the function is already defined.
4702 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
4704 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
4705 truncation is not a no-op.
4707 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
4709 * version.c: Bump for snapshot.
4711 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
4713 * version.c: Bump for snapshot.
4715 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
4717 * expmed.c (expand_divmod): Don't widen for computing remainder
4718 if we seem to have a divmod pattern for needed mode.
4720 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4722 * cpplib.c (macroexpand): Correct off-by-one error in handling
4725 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
4727 * combine.c (expand_field_assignment): Don't do bitwise operations
4728 on MODE_FLOAT; pun to MODE_INT if possible.
4730 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
4731 scott snyder <snyder@d0sgif.fnal.gov>
4733 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
4734 linker. Recognize mangled names in quotes.
4736 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4738 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
4739 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
4740 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
4741 (lshrsi3_extend, lshrsi3_extend2): Ditto.
4743 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4745 * function.c (purge_addressof_1): If trying to take a sub-word
4746 integral piece of a floating point mode, put it on the stack.
4748 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
4750 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
4752 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
4754 * PROJECTS: Remove template friends.
4756 * collect2.c (sort_ids): Remove unused variable.
4758 * tm.texi (MATH_LIBRARY): Document.
4759 (NEED_MATH_LIBRARY): Remove.
4761 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
4762 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
4764 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
4766 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
4767 last_end to 0x7fffffff.
4769 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4771 * function.c (purge_addressof_1): Do not perform endianness
4772 corrections on bitpos, who we call will do it for us.
4774 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
4776 * h8300.c (WORD_REG_USED): Fix typo.
4777 (initial_offset): Use WORD_REG_USED.
4779 * h8300.c (handle_pragma): Fix typo.
4781 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4783 * caller-save.c (insert_save_restore): Break this function up
4784 into new functions insert_restore, insert_save and insert_one_insn.
4785 All callers changed.
4786 (insert_restore): New function, mostly broken out of
4787 insert_save_restore.
4788 (insert_save): Likewise.
4789 (insert_one_insn): Likewise.
4790 (restore_referenced_regs): New argument BLOCK. All callers changed.
4791 (save_call_clobbered_regs): Don't keep track of basic block boundaries
4792 in this function, do it in insert_one_insn instead.
4794 * reload1.c (reload): Break out some more pieces into separate
4796 (dump_needs): New function, broken out of reload.
4797 (set_initial_elim_offsets): Likewise.
4798 (init_elim_table): Likewise.
4799 (update_eliminables): Likewise.
4801 * global.c (global_alloc): Delete code to manage the scratch_list.
4802 * local-alloc.c (qty_scratch_rtx): Delete.
4803 (scratch_block): Delete.
4804 (scratch_list): Delete.
4805 (scratch_list_length): Delete.
4806 (scratch_index): Delete.
4807 (alloc_qty_for_scratch): Delete.
4808 (local-alloc): Update initialization of max_qty.
4809 Delete code to manage the scratch list.
4810 Delete code to allocate/initialize qty_scratch_rtx.
4811 (block_alloc): Don't allocate quantities for scratches.
4812 Delete code to manage the scratch list.
4813 * regs.h (scratch_list): Delete declaration.
4814 (scratch_block): Delete declaration.
4815 (scratch_list_length): Delete declaration.
4816 * reload1.c (reload): Delete code to manage the scratch list.
4817 (spill_hard_reg): Likewise.
4818 (mark_scratch_live): Delete.
4820 * recog.c (alter_subreg): Delete declaration.
4822 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
4824 * Makefile.in (cccp.o): Fix typo in last patch.
4826 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4828 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
4829 * config/sh/lib1funcs.asm (___set_fpscr): Add.
4831 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
4833 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
4834 NULL_RTX as an argument.
4836 * Makefile.in (unlibsubdir): Define.
4837 (DRIVER_DEFINES): Use unlibsubdir.
4838 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
4839 (stmp-fixinc): Similarly.
4841 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4843 * regmove.c (regmove_optimize): Add variable old_max_uid.
4844 At the end of the function, update basic_block_end.
4846 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4848 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
4849 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
4852 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
4854 * config/arm/arm.c: Improve interworking support.
4856 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4858 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
4859 copied from reload_out[r] .
4861 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
4863 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
4864 with more than three size ranges.
4866 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
4868 * rtl.c (mode_name): Add a null string at the end of the array.
4869 (mode_wider_mode): Change type to unsigned char.
4870 (mode_mask_array): New variable.
4871 (init_rtl): Update for mode_wider_mode type change.
4873 * rtl.h (mode_wider_mode): Change type to unsigned char.
4874 (mode_mask_array): Declare.
4875 (GET_MODE_MASK): Use mode_mask_array.
4877 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
4879 * calls.c (expand_call) : Encapsulate code into
4880 copy_blkmode_from_reg.
4881 * expr.c (copy_blkmode_from_reg): New function.
4882 * expr.h (copy_blkmode_from_reg): New function.
4883 * integrate.c (function_cannot_inline_p): We can inline
4885 (expand_inline_function): Use copy_blkmode_from_reg
4886 if needed. Avoid creating BLKmode REGs.
4887 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
4890 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
4892 * config/v850/v850.c: Add function prototypes.
4893 Add support for v850 special data areas.
4895 * config/v850/v850.h: Add support for v850 special data areas.
4897 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
4898 HANDLE_PRAGMA_PACK_PUSH_POP.
4899 (push_alignment): New function: Cache an alignment requested
4900 by a #pragma pack(push,<n>).
4901 (pop_alignment): New function: Pop an alignment from the
4903 (insert_pack_attributes): New function: Generate __packed__
4904 and __aligned__ attributes for new decls whilst a #pragma pack
4906 (add_weak): New function: Cache a #pragma weak directive.
4907 (handle_pragma_token): Document calling conventions. Add
4908 support for #pragma pack(push,<n>) and #pragma pack (pop).
4910 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
4911 are defined enable HANDLE_PRAGMA_PACK.
4912 Move 'struct weak_syms' here (from varasm.c).
4913 Add pragma states for push and pop pragmas.
4915 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
4918 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
4919 HANDLE_GENERIC_PRAGMAS.
4921 * varasm.c: Move definition of 'struct weak_syms' into
4923 (handle_pragma_weak): Deleted.
4925 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
4927 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
4929 * c-decl.c (start_function): Add invocation of
4930 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
4932 * tm.texi: Remove description of non-existant macro
4933 SET_DEFAULT_SECTION_NAME.
4935 (HANDLE_SYSV_PRAGMA): Document.
4936 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
4938 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
4940 * config.sub: Recognize i[34567]86-pc-udk as new target.
4941 * configure.in: Likewise.
4942 * config/i386/t-udk: New file.
4943 * config/i386/udk.h: New file.
4945 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
4947 * reorg.c (check_annul_list_true_false): Remove unused variables.
4948 (steal_delay_list_from_target): Add missing "used_annul" variable.
4949 (try_merge_delay_insns): Close out half formed comment.
4951 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4953 * cpplib.c (macroexpand): If arg->raw_before or
4954 arg->raw_after, remove any no-reexpansion escape at the
4955 beginning of the pasted token. Correct handling of whitespace
4956 markers and no-reexpand markers at the end if arg->raw_after.
4958 * toplev.c (documented_lang_options): Recognize -include,
4959 -imacros, -iwithprefix, -iwithprefixbefore.
4960 * cpplib.c (cpp_start_read): Process -imacros and -include
4961 switches at the same time and in command-line order, after
4962 initializing the dependency-output code. Emit properly nested
4963 #line directives for them. Emit a #line for the main file
4964 before processing these switches, and don't do it again
4967 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
4969 * function.c (purge_addressof_1): Use bitfield manipulation
4970 routines to handle mem mode < reg mode.
4972 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4974 * reorg.c (try_merge_delay_insns): Account for resources referenced
4975 in each instruction in INSN's delay list before trying to eliminate
4976 useless instructions. Similarly when looking at a trial insn's delay
4979 * reorg.c (check_annul_list_true_false): New function.
4980 (steal_delay_list_from_{target,fallthrough}): Call it and also
4981 refine tests for when we may annul if already filled a slot.
4982 (fill_slots_from_thread): Likewise.
4983 (delete_from_delay_slot): Return newly-created thread.
4984 (try_merge_delay_isns): Use its new return value.
4986 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
4988 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
4989 used to compute a giv or as some other non-counting use.
4991 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4993 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
4994 * local-alloc.c (find_free_reg): Use it.
4995 * global.c (find_reg): Likewise.
4996 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
4998 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
4999 * caller-save.c (init_caller_save): Use it.
5000 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
5002 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5004 * configure.in: Add --enable-cpplib option which uses cpplib
5005 for cpp, but doesn't link cpplib into cc1. Make help text
5006 capitalization consistent.
5007 * configure: Rebuilt.
5009 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
5011 * function.c (gen_mem_addressof): If the address REG is
5012 REG_USERVAR_P make the new REG be so also.
5013 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
5014 in an attempt to clarify slightly.
5016 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
5018 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
5019 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
5021 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
5023 * toplev.c: Fix last patch.
5025 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
5027 * loop.c (get_condition): Fix typo in May 9 change.
5029 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5031 * invoke.texi (-fexceptions): Merge 2 different descriptions.
5033 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5035 * toplev.c (documented_lang_options): Spelling corrections.
5037 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5039 * configure.in: new flags --with-ld and --with-as, equivalent
5040 to setting LD and AS environment variables. Test whether
5041 specified arguments are GNU commands, and report them with
5042 checking messages. Use the specified AS for configure
5045 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
5047 * gcc.c (find_a_file): when looking for `as' and `ld', return
5048 the DEFAULT program if it exists
5049 * collect2.c (main): use DEFAULT_LINKER if it exists
5051 * gcc.c (find_a_file): the test for existence of a full
5052 pathname was reversed
5054 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
5056 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
5057 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
5059 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
5061 * tree.h (TYPE_BINFO): Document.
5063 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
5065 * i386-coff.h (dbxcoff.h): Added.
5067 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
5069 * toplev.c: fix bad patch around flag_data_sections.
5071 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
5073 * reload1.c (reload): Use reload_address_index_reg_class and
5074 reload_address_base_reg_class when setting
5075 caller_save_spill_class. (Patch generated by Jim Wilson:
5078 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
5080 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
5081 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
5082 * expr.c (store_field): Add alias_set parameter. Set the
5083 MEM_ALIAS_SET accordingly, if the target is a MEM.
5084 (expand_assignment): Use it.
5085 (store_constructor_field): Pass 0.
5086 (expand_expr): Likewise.
5088 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
5090 * flags.h: Add flag_data_sections.
5091 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
5092 (compile_file): Error if flag_data_sections not supported.
5093 * varasm.c (assemble_variable): Handle flag_data_sections.
5094 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
5095 * config/mips/elf.h: Likewise.
5096 * config/mips/elf64.h: Likewise.
5097 * invoke.texi: Describe -fdata-sections.
5099 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
5101 * invoke.texi (-ffloat-store): Clarify that this option
5102 does not affect intermediate results -- only variables.
5104 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
5106 * cpp.texi: Update for Fortran usage from Craig.
5108 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5110 * rs6000.c (function_arg_boundary): Revert accidental change on
5113 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
5115 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
5116 (output_mi_thunk): Declare.
5118 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
5119 (output_function_profiler): Use r12 for temp, instead of r11 so
5120 that we preserve the static chain register.
5122 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
5124 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
5126 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5128 * sh.c (gen_shl_sext): Fix case 5.
5130 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5132 * reload1.c (reload_combine): Re-add line that got accidentally lost.
5134 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5136 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
5137 accessing variables until they are initialized via va_arg().
5139 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5141 * reload1.c (reload_combine): Initialize set before using.
5143 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
5145 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
5148 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
5150 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
5151 operand3 with mask before using it. Patch provided by Jim Wilson.
5153 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5155 * config/sparc/sparc.c (function_value): Perform the equivalent of
5156 PROMOTE_MODE for ARCH64.
5157 (eligible_for_epilogue_delay): Allow DImode operations in delay
5158 slot of a return for ARCH64.
5160 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5162 * sh.md (sqrtsf2): Fix mode of sqrt.
5164 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5166 * reload1.c (choose_reload_regs): Also try inheritance when
5167 reload_in is a stack slot of a pseudo, even if we already got a
5170 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5172 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
5173 (reload_cse_regs): New function body: call reload_cse_regs_1,
5174 reload_combine, reload_cse_move2add.
5175 When doing expensive_optimizations, call reload_cse_regs_1 a
5176 second time after reload_cse_move2add.
5177 (reload_combine, reload_combine_note_store): New functions.
5178 (reload_combine_note_use): New function.
5179 (reload_cse_move2add, move2add_note_store): New functions.
5181 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5183 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
5184 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
5186 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
5187 more than 3 such reloads.
5189 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
5190 RELOAD_FOR_X_ADDR_ADDR reload.
5192 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5194 * expr.c (store_constructor): When initializing a field that is smaller
5195 than a word, at the start of a word, try to widen it to a full word.
5197 * cse.c (cse_insn): When we are about to change a register,
5198 remove any invalid references to it.
5200 (remove_invalid_subreg_refs): New function.
5201 (mention_regs): Special treatment for SUBREGs.
5202 (insert_regs): Don't strip SUBREG for call to mention_regs.
5203 Check if reg_tick needs to be bumped up before that call.
5204 (lookup_as_function): Try to match known word_mode constants when
5205 looking for a norrower constant.
5206 (canon_hash): Special treatment for SUBREGs.
5208 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5210 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
5211 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
5212 defined, emit libcall to __enable_execute_stack. Also fix opcodes
5213 and offsets in actual stack trampoline code so they match the
5214 commentary and actually work.
5216 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5218 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
5220 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
5221 tmake_file. Set extra_parts to needed crt objects.
5222 * configure: Rebuilt.
5223 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
5224 (TARGET_DEFAULT): Set if default is v9 or ultra.
5225 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
5226 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
5227 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
5228 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
5229 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
5230 (TARGET_VERSION): Define.
5231 (MULTILIB_DEFAULT): Define.
5232 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
5233 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
5234 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
5236 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
5237 * config/sparc/sparc.c (sparc_override_options): If arch and
5238 pointer size disagree, emit diagnostic and fix it up. If
5239 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
5240 V8PLUS in 64-bit mode.
5241 * config/sparc/t-linux64: New file.
5242 * config/sparc/t-sol2-64: New file.
5243 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
5244 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
5245 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
5246 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
5247 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
5248 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
5250 (STARTFILE_SPEC): Set approriately based upon those.
5251 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
5252 disposition of DEFAULT_ARCH32_P.
5253 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
5254 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
5255 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
5256 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
5257 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
5259 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
5261 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
5263 * rtl.h (init_virtual_regs): New function.
5264 * emit-rtl.c (init_virtual_regs): Define.
5265 (insn_emit): Use it.
5266 * integrate.c (save_for_inline_copying): Likewise.
5268 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
5270 * config/arm/thumb.h: The following patches were made by Jim Wilson:
5271 (enum reg_class): Add NONARG_LO_REGS support.
5272 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5273 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
5274 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
5275 completes. Re-enable HImode REG+OFFSET addresses.
5276 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5278 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5280 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5282 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5283 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5284 (alpha_align_insns): Properly calculate initial offset wrt max_align.
5286 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
5288 * arm.c (find_barrier): Revert change of Apr 23. Handle table
5289 jumps as a single entity, taking into account the size of the
5292 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5294 * tree.def (SWITCH_EXPR): New tree node definition.
5296 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
5298 * version.c: Bump for snapshot.
5300 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
5302 * version.c: Bump for snapshot.
5304 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
5306 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
5309 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
5311 * Revert this patch.
5312 * reload.c (find_reloads): Do not replace a pseudo with
5313 (MEM (reg_equiv_addr)) in the initializing insn for the
5316 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
5318 * final.c (final_scan_insn): Disable tracking CC across branches.
5320 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5322 * expr.h (eh_rtime_match_libfunc): New extern declaration.
5323 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
5324 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
5325 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
5326 NULL. Only include <stdio.h> if inhibit_libc is not defined.
5328 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
5330 * toplev.c (rest_of_compilation): Skip compiling anything with
5331 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
5333 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
5335 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
5336 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
5337 use in_libcall_block.
5338 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
5339 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
5342 Mon Sep 21 14:02:23 1998
5344 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
5345 typo in no-fancy-math-387 description.
5347 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
5349 * version.c: Bump for snapshot.
5351 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
5353 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
5355 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
5357 * i386.h: (TARGET_SWITCHES) Add description fields for flags
5358 documented in install.texi.
5359 (TARGET_OPTIONS) Likewise.
5361 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
5363 * version.c: Bump for snapshot.
5365 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
5367 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
5368 * cccp.c (main): Likewise.
5370 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
5371 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
5374 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
5376 * Makefile.in (LIBS): Link in libiberty.a.
5377 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
5379 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
5381 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
5382 it to update bb boundaries. Update caller.
5383 * function.c (reposition_prologue_and_epilogue_notes): Update
5384 bb boundaries wrt the moved note.
5386 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
5388 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
5390 * configure: Regenerate.
5392 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
5394 * alpha.c (alpha_sr_alias_set): New variable.
5395 (override_options): Set it.
5396 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
5397 (mode_mask_operand): Fix signed-unsigned comparision warning.
5398 (alpha_expand_block_move): Likewise.
5399 (print_operand): Likewise.
5400 (get_aligned_mem): Use change_address.
5401 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
5402 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
5403 (alphaev4_next_nop, alphaev5_next_nop): New functions.
5404 (alpha_align_insns): Remade from old alphaev5_align_insns
5405 to handle multiple processors.
5406 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
5407 * output.h (label_to_alignment): Prototype.
5409 * tree.c (new_alias_set): New function.
5410 * tree.h (new_alias_set): Declare it.
5411 * c-common.c (c_get_alias_set): Use it.
5413 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
5415 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
5416 to an ABS expr, convert an unsigned input to signed.
5418 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
5420 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
5422 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5424 * configure.in: Add support for c4x targets.
5425 * configure: Rebuilt.
5427 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
5429 * combine.c (distribute_notes): If an insn is a cc0 user, only
5430 delete it if we can also delete the cc0 setter.
5432 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
5434 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
5435 (invert_truthvalue): Enable truthvalue inversion for
5436 floating-point operands if -ffast-math.
5438 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
5440 * configure.in: Disable collect2 for nextstep. Instead use
5442 * configure: Rebuilt.
5443 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
5444 (ENDFILE_SPEC): Define.
5445 (OBJECT_FORMAT_MACHO): Define.
5446 (EH_FRAME_SECTION_ASM_OP): Define.
5447 * crtstuff.c: Handle MACHO.
5449 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
5451 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
5453 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
5455 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
5456 (_fpadd_parts): Get sign right for 0.
5458 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5460 * ginclude/varargs.h: Add support for C4x target.
5461 * ginclude/stdargs.h: Likewise.
5463 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
5465 * alpha.c (alpha_return_addr): SET should be VOIDmode.
5466 (alpha_emit_set_long_const): Rewrite to be callable from reload
5468 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
5469 * alpha.md (movdi): Likewise.
5471 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
5473 * arm.c (add_constant): New parameter address_only, change caller.
5474 Set it non-zero if taking the address of an item in the pool.
5475 (arm_reorg): Handle cases where we need the address of an item in
5478 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
5480 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
5481 memory addresses that are not in standard canonical form.
5483 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
5485 * README.C4X: New file with information about the c4x ports.
5486 * ginclude/va-c4x.h: New file for c4x varargs support.
5487 * config/c4x: New directory with c4x port files.
5489 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
5491 * reload.c (find_reloads): Do not replace a pseudo with
5492 (MEM (reg_equiv_addr)) in the initializing insn for the
5495 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
5497 * toplev.c (rest_of_compilation): Set bct_p on second call to
5499 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
5501 (strength_reduce): Only call analyze_loop_iterations and
5502 insert_bct if bct_p set.
5503 (check_dbra_loop): Fix typo.
5504 (insert_bct): Use word_mode instead of SImode.
5505 (instrument_loop_bct): Likewise. Do not delete iteration count
5506 condition code generation insn. Initialize iteration count before
5508 * rtl.h (loop_optimize): Update prototype.
5510 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
5511 not doubleword aligned.
5513 * rs6000.c (optimization_options): New function.
5514 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
5515 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
5516 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
5517 first; cr1 can be used for FP record condition insns.
5519 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
5521 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
5524 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
5527 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
5529 (block_move_call): New function: Call a library routine to copy a
5531 (m32r_expand_block_move): New function: Expand a "movstrsi"
5532 pattern into a sequence of insns.
5533 (m32r_output_block_move): New function: Expand a
5534 "movstrsi_internal" pattern into a sequence of assembler opcodes.
5535 (m32r_block_immediate_operand): New function: Return true if the
5536 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
5538 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5540 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
5542 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
5544 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5546 * regmove.c (copy_src_to_dest): Check that modes match.
5548 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
5550 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
5552 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
5554 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
5555 narrower than FLOAT_REGS.
5557 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5559 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
5561 * Makefile.in (old_gxx_include_dir): removed
5563 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
5565 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
5568 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
5569 (sh_handle_pragma): Change function arguments to match new
5570 specification for HANDLE_PRAGMA.
5572 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5574 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
5576 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
5577 When generating output, initialize missing struct member to zero.
5579 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5581 * regmove.c (copy_src_to_dest): Don't copy if that requires
5582 (a) new register(s).
5584 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5586 * global.c (reg_allocno): Now static.
5587 * reload1.c (reg_allocno): Delete declaration.
5588 (order_regs_for_reload): Take no arguments. Don't treat regs
5589 allocated by global differently than those allocated by local-alloc.
5591 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
5593 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
5594 condition, fix format strings.
5595 (output_function_epilogue): Likewise.
5597 * m68k/m68k.c: Don't include <stdlib.h> directly.
5599 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
5601 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
5602 mem_first_set, mem_last_set; because 0 can be a CUID.
5603 (oprs_unchanged_p): Use new definition.
5604 (record_last_reg_set_info): Likewise.
5605 (record_last_mem_set_info): Likewise.
5606 (compute_hash_table): Likewise.
5608 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
5610 * rs6000.c (output_epilogue): Handle Chill.
5612 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5613 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5615 * combine.c (make_extraction): If no mode is specified for
5616 an operand of insv, extv, or extzv, default it to word_mode.
5617 (simplify_comparison): Similarly.
5618 * expmed.c (store_bit_field): Similarly.
5619 (extract_bit_field): Similarly.
5620 * function.c (fixup_var_regs_1): Similarly.
5621 * recog.c (validate_replace_rtx_1): Similarly.
5622 * mips.md (extv, extzv, insv expanders): Default modes for most
5623 operands. Handle TARGET_64BIT.
5624 (movdi_uld, movdi_usd): New patterns.
5626 * pa.c (emit_move_sequence): Do not replace a pseudo with its
5627 equivalent memory location unless we have been provided a scratch
5628 register. Similarly do not call find_replacement unless a
5629 scratch register has been provided.
5631 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5633 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
5636 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
5638 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
5639 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
5640 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
5641 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
5642 * c-decl.c (init_decl_processing): Update accordingly.
5643 * expr.c (expand_builtin): Likewise.
5645 * rtl.h (global_rtl): Add cfa entry.
5646 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
5647 (LAST_VIRTUAL_REGISTER): Update.
5648 * emit-rtl.c (global_rtl): Add cfa entry.
5649 (init_emit): Initialize it.
5650 * function.c (cfa_offset): New.
5651 (instantiate_virtual_regs): Initialize it.
5652 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
5653 (expand_function_end): Call expand_eh_return.
5654 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
5656 * except.c (current_function_eh_stub_label): Kill.
5657 (current_function_eh_old_stub_label): Likwise; update all references.
5658 (expand_builtin_set_return_addr_reg): Kill.
5659 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
5660 (expand_builtin_set_eh_regs): Kill.
5661 (eh_regs): Produce a third reg for the actual handler address.
5662 (eh_return_context, eh_return_stack_adjust): New.
5663 (eh_return_handler, eh_return_stub_label): New.
5664 (init_eh_for_function): Initialize them.
5665 (expand_builtin_eh_return, expand_eh_return): New.
5666 * except.h: Update prototypes.
5667 * flow.c (find_basic_blocks_1): Update references to the stub label.
5668 * function.h (struct function): Kill stub label elements.
5670 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
5671 register number is one that would be in the previous window.
5672 Provide a dummy definition for non-windowed targets.
5673 (get_reg_addr): New function.
5674 (get_reg, put_reg, copy_reg): Use it.
5675 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
5676 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
5678 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
5679 (alpha_init_expanders): Initialize it.
5680 (alpha_expand_epilogue): Use it.
5681 * alpha.h: Declare it.
5682 * alpha.md (eh_epilogue): New.
5684 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
5685 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
5687 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
5689 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
5692 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5694 * except.h (struct eh_entry): Add false_label field.
5695 (end_catch_handler): Add prototype.
5696 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
5697 (start_catch_handler): When using old style exceptions, issue
5698 runtime typematch code before continuing with the handler.
5699 (end_catch_handler): New function, generates label after handler
5700 if needed by older style exceptions.
5701 (expand_start_all_catch): No need to check for new style exceptions.
5702 (output_exception_table_entry): Only output the first handler label
5703 for old style exceptions.
5704 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
5705 mechanism into one function, if a runtime matcher is provided.
5707 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5709 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
5711 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
5713 * integrate.c (copy_decl_list): Fix typo.
5715 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5717 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
5720 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
5722 * version.c: Bump for snapshot.
5724 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
5726 * version.c: Bump for snapshot.
5728 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
5730 * version.c: Bump for snapshot.
5732 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5734 * invoke.texi (C Dialect Options): Put back missing @end itemize.
5736 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5738 * configure.in: remove usage of `!' to negate the result of a
5739 command; some common shells do not support it
5741 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5743 * configure.in: in sparc9-sol2 config, use 'if test' not
5745 * configure: Rebuilt.
5747 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
5749 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
5750 (CPP_CPU_DEFAULT_SPEC): Likewise.
5751 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
5752 for arch64 libfuncs.
5754 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
5757 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5759 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
5761 * collect2.c: Don't declare `sys_siglist' here.
5762 (my_strsignal): Prototype and define new function. Use it in
5763 place of `sys_siglist' hacks.
5765 * mips_tfile.c: Likewise.
5767 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
5768 (GCC_NEED_DECLARATIONS): Likewise.
5770 * system.h (strsignal): Prototype it, if necessary.
5771 (sys_siglist): Declare it, if necessary.
5773 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5775 * loop.c (move_movables): While removing insn sequences, preserve
5776 the next pointer of the most recently deleted insn when we skip
5779 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
5781 * objc/config-lang.in: Do not output the name of the selected
5782 thread file when building the front-end. The Makefile for the
5783 runtime library will do this.
5785 * objc/Make-lang.in: Do not build the runtime library or install
5786 the Objective C header files. The Makefile for the runtime
5787 library will do this.
5789 * objc/Makefile.in (all.indirect): Only build the front-end.
5790 (compiler): Rename to `frontend'.
5791 (obj-runtime): Remove target.
5792 (copy-headers): Likewise.
5793 (clean): No need to remove `libobjc.a' any longer.
5795 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
5797 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
5798 supported with -mcpu=xxx.
5800 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5802 * flow.c (mark_set_1): Recognize multi-register structure return
5803 values in CALL insns.
5804 (mark_used_regs): Likewise.
5805 (count_reg_sets_1): Likewise.
5806 (count_reg_references): Likewise.
5807 * rtlanal.c (note_stores): Likewise.
5808 (reg_overlap_mentioned_p): Likewise.
5809 * haifa-sched.c (check_live_1): Likewise.
5810 (update_live_1): Likewise.
5811 (sched_analyze_1): Likewise.
5812 (sched_note_set): Likewise.
5813 (birthing_insn_p): Likewise.
5814 (attach_deaths): Likewise.
5816 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
5819 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
5821 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
5823 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5825 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
5827 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5829 * configure.in: Add check for GAS subsection -1 support.
5830 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
5831 * configure config.in: Rebuilt.
5832 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
5833 SImode is subsection -1 works, else use DImode.
5834 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
5835 subsection -1 works.
5836 * config/sparc/sparc.c (sparc_output_addr_vec,
5837 sparc_output_addr_diff_vec): Use them if defined.
5839 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
5841 * tree.h (DECL_ORIGIN): New macro.
5842 * integrate.c (copy_and_set_decl_abstract_origin): New function.
5843 (copy_decl_list): Use it.
5844 (integrate_parm_decls): Likewise.
5845 (integrate_decl_tree): Likewise.
5846 * dwarf2out.c (decl_ultimate_origin): Simplify.
5847 * dwarfout.c (decl_ultimate_origin): Likewise.
5848 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
5849 (pushdecl): Likewise.
5851 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
5853 * config/rs6000/rs6000.c (output_epilog): Add Java support.
5855 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
5857 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
5859 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
5861 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
5862 empty or has a single entry.
5864 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
5865 before calling reg_to_stack.
5867 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
5869 * alpha.c (alphaev5_insn_pipe): Abort on default case.
5870 (alphaev5_next_group): Swallow CLOBBERs and USEs.
5872 * c-tree.h (warn_long_long): Declare it.
5874 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
5876 * emit-rtl.c (gen_lowpart_common): Disable optimization of
5877 initialized float-int union if the value is a NaN.
5879 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
5881 * c-lex.c (real_yylex): Don't warn about long long constants if
5882 we're allowing long long
5884 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5886 * except.h (current_function_eh_stub_label): Declare.
5887 (current_function_eh_old_stub_label): Declare.
5888 * function.h (struct function): New members eh_stub_label and
5890 * except.c (current_function_eh_stub_label): New variable.
5891 (current_function_eh_old_stub_label): New variable.
5892 (init_eh_for_function): Clear them.
5893 (save_eh_status): Save them.
5894 (restore_eh_status): Restore them.
5895 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
5896 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
5897 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
5898 make an edge from the block that contains it to the block starting
5899 with the label if this label is one of the eh stub labels.
5900 If eh stub labels exist, show they are reachable from the last block
5903 * reload1.c (reload): Break out several subroutines and make some
5905 (calculate_needs_all_insns): New function, broken out of reload.
5906 (calculate_needs): Likewise.
5907 (find_reload_regs): Likewise.
5908 (find_group): Likewise.
5909 (find_tworeg_group): Likewise.
5910 (something_needs_reloads): New global variable, formerly in reload.
5911 (something_needs_elimination): Likewise.
5912 (caller_save_spill_class): Likewise.
5913 (caller_save_group_size): Likewise.
5914 (max_needs): Likewise.
5915 (group_size): Likewise.
5916 (max_groups): Likewise.
5917 (max_nongroups): Likewise.
5918 (group_mode): Likewise.
5919 (max_needs_insn): Likewise.
5920 (max_groups_insn): Likewise.
5921 (max_nongroups_insn): Likewise.
5922 (failure): Likewise.
5924 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
5926 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
5928 * loop.c (load_mems): Copy rtx for output mem.
5930 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
5932 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
5933 mips1 or mips2 either.
5935 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
5937 * pa.c (pa_reorg): New marking scheme for jumps inside switch
5939 (pa_adjust_insn_length): Update to work with new marking scheme
5940 for jumps inside switch tables.
5941 * pa.md (switch_jump): Remove pattern.
5942 (jump): Handle jumps inside jump tables.
5944 * Makefile.in (profile.o): Depend on insn-config.h
5946 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
5948 * iris6.h (DWARF2_UNWIND_INFO): Undef.
5950 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5952 Add preliminary native sparcv9 Solaris support.
5953 * configure.in: Recognize sparv9-*-solaris2*
5954 * configure: rebuilt
5955 * config.sub: Recognize sparcv9 just like sparc64.
5956 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
5957 config/sparc/sol2-cn.asm: Macroize so it can be shared between
5958 32-bit and 64-bit Solaris systems.
5959 * config/sparc/t-sol2: Assemble those with cpp.
5960 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
5961 (*TF*_LIBCALL): If ARCH64 use V9 names.
5962 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
5964 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5966 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
5967 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
5969 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
5971 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
5972 to Pmode if CASE_VECTOR_MODE is something else.
5974 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
5976 * prefix.c (update_path): Correctly handle cases where PATH is
5977 a substring of the builtin prefix, but specifies a different
5980 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
5982 * expr.c: Corrected comment about what MOVE_RATIO does.
5983 * config/alpha/alpha.h: Ditto.
5984 * config/1750a/1750a.h: Ditto.
5985 * config/clipper/clipper.h: Ditto.
5986 * config/i386/i386.h: Ditto.
5988 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
5990 * configure.in (m68k-next-nextstep3*): Use collect2.
5991 Similarly for x86 NeXT configurations.
5992 * configure: Rebuilt.
5994 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
5996 * configure.in: Don't assume srcdir is .../gcc
5997 * configure: Rebuilt.
5999 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
6001 * global.c: Update comments.
6002 (global_alloc): Assign allocation-numbers
6003 even for registers allocated by local_alloc in case
6004 they are later spilled and retry_global_alloc is called.
6005 (mark_reg_store, mark_reg_clobber,
6006 mark_reg_conflicts, mark_reg_death): Always record a
6007 conflict with a pseudo register even if it has been
6008 assigned to a hard register.
6009 (dump_conflicts): Don't list pseudo registers already assigned to
6010 a hard register as needing to be allocated, but do list their
6012 * local-alloc.c: Update comment.
6014 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
6016 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
6017 * configure: Rebuilt.
6019 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
6021 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
6023 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
6024 for all targets that set -msoft-float.
6026 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6028 * toplev.c (print_switch_values): Make static to match prototype.
6030 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
6032 * configure.in: If we are unable to find the "gnatbind" program,
6033 then do not configure the ada subdir.
6034 * configure: Rebuilt.
6036 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
6038 * version.c: Bump for snapshot.
6040 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
6042 * version.c: Bump for snapshot.
6044 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6046 * Makefile.in (toplev.o): Depend on $(EXPR_H).
6047 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
6049 * gansidecl.h: Define ATTRIBUTE_NORETURN.
6051 * genattrtab.c: Have insn-attrtab.c include toplev.h.
6053 * genextract.c: Have insn-extract.c include toplev.h.
6055 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
6057 * toplev.c: Include expr.h.
6058 (really_sorry, fancy_abort): Remove prototypes.
6059 (set_target_switch): Add argument in prototype.
6060 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
6061 (v_really_sorry): Likewise.
6062 (print_version, print_single_switch, print_switch_values): Make
6063 static and add prototype arguments.
6064 (decl_printable_name): Add prototype arguments.
6065 (lang_expand_expr_t): New typedef.
6066 (lang_expand_expr): Declare as a lang_expand_expr_t.
6067 (incomplete_decl_finalize_hook): Add prototype argument.
6068 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
6069 (botch): Likewise for variable `s'.
6070 (rest_of_type_compilation): Mark variables `type' and `toplev'
6071 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
6072 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
6073 (display_help): Make variable `i' an `unsigned long'.
6074 (main): Remove unused parameter `envp'.
6075 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
6076 Cast -1 when comparing it with a `size_t'.
6078 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
6079 prototype with ATTRIBUTE_NORETURN.
6080 (fatal_insn_not_found, fatal_insn, really_sorry,
6081 push_float_handler, pop_float_handler): Add prototypes.
6082 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
6083 (do_abort, botch): Add prototypes.
6085 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
6087 * final.c (final): If a label is reached only from a single jump,
6088 call NOTICE_UPDATE_CC on the jump and its predecessor before
6089 emitting the insn after the label.
6091 * i386.h: Add AMD K6 support.
6092 Change TARGET_* macros to use table lookup.
6093 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
6094 (ADJUST_COST): Change definition to call function in i386.c.
6095 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
6096 * i386.c: Add AMD K6 support.
6097 Add constants for feature tests used by TARGET_* macros.
6098 (split_di): If before reload, call gen_lowpart and gen_highpart.
6099 (x86_adjust_cost): New function.
6100 (put_jump_code): New function.
6101 (print_operand): New codes 'D' and 'd'.
6102 * i386.md: New insn types. New insn attribute "memory".
6103 Redefine scheduling parameters to use new types and add AMD K6
6104 support. Explicitly set type of most insns.
6105 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
6106 Pro and K6 prefer movl $1,reg to incl reg.
6107 (adddi3, subdi3): Set cc_status.
6108 (DImode shift patterns): Change label counters from HOST_WIDE_INT
6109 to int; x86 can't have more than 2^31 DImode shifts per file.
6110 (setcc): Combine all setcc patterns. Allow writing memory.
6111 Combine all jump patterns using match_operator.
6112 (*bzero): Name pattern. Emit mutliple stos instructions when that
6113 is faster than rep stos.
6114 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
6117 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
6119 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
6122 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
6124 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
6125 not whatever we're generating now.
6127 * alpha.c (set_frame_related_p, FRP): New.
6128 (alpha_expand_prologue): Mark frame related insns.
6129 (alpha_expand_epilogue): Likewise, but with a null FRP.
6130 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
6131 * alpha.md (exception_receiver): New.
6132 * alpha/crtbegin.asm (.eh_frame): New beginning.
6133 (__do_frame_setup, __do_frame_takedown): New.
6134 * alpha/crtend.asm (.eh_frame): New ending.
6135 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
6136 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
6137 (ASM_FILE_START): Don't emit .file for dwarf2.
6139 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
6140 * rtl.c (reg_note_name): Likewise.
6141 * rtl.texi (REG_NOTES): Likewise.
6142 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
6145 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
6147 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
6148 * i386.md (movsf, movdf, movxf): Validate memory address returned
6149 from force_const_mem. Kill useless REG_EQUAL setting code.
6151 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
6153 * m68k.md (zero_extendsidi2): Fix typo.
6155 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
6157 * configure.in: Removed references to the removed file
6158 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
6159 * arm*-*-netbsd* and ns32k-*-netbsd*.
6160 * config/i386/xm-netbsd.h: Removed unnecessary file.
6161 * config/m68k/xm-netbsd.h: Likewise.
6162 * config/sparc/xm-netbsd.h: Likewise.
6163 * config/mips/xm-netbsd.h: Likewise.
6165 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
6167 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
6168 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
6170 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
6171 for exact section attributions.
6173 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
6175 * i386/crtdll.h (CPP_PREDEFINES): Define.
6177 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
6179 * m68k.md (5200 movqi): Do not allow byte sized memory references
6181 * m68k.c (output_move_qimode): Do not use byte sized operations on
6184 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
6185 explicit rules for building. Similarly for alloca, vfprintf,
6186 choose-temp and mkstemp, getopt, getopt1, and obstack.
6187 (INCLUDES): Add $(srcdir)/../include.
6188 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
6189 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
6191 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
6193 * gcc.c (do_spec_1): [case 'o'] Account for
6194 lang_specific_extra_outfiles.
6195 (main): Correctly clear all slots in outfiles for
6196 lang_specific_extra_outfiles. Set input_file_number before
6197 calling lang_specific_pre_link.
6199 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
6201 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
6203 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6205 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
6207 (sparc_output_deferred_case_vectors): If no work to do, return.
6208 Fix thinko in Sept 1 change.
6210 1998-09-03 SL Baur <steve@altair.xemacs.org>
6212 * Makefile.in: add semicolon in BISON definition for portability.
6214 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6216 * config/nextstep.c (handle_pragma): Correct name of third
6219 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
6221 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
6222 * config/m32r/m32r.h: Make register 17 be fixed.
6223 * config/m32r/m32r.c: Use SImode for cc operations.
6225 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
6227 * invoke.texi (Warning Options): Add -Wnon-template-friend
6230 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
6232 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
6234 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
6236 * rs6000.md (movsf): Disable explicit secondary-reload-like
6237 functionality if TARGET_POWERPC64.
6238 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
6241 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
6243 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
6244 and term.h from fixinc.wrap.
6246 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6248 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
6249 safe to include both string.h and strings.h together.
6250 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
6251 which headers to search for function declarations. Continue to
6252 prefer string.h over strings.h when both are not acceptable.
6254 * acconfig.h (STRING_WITH_STRINGS): Add stub.
6256 * configure.in: Call GCC_HEADER_STRING.
6258 * system.h: Test STRING_WITH_STRINGS when deciding which headers
6259 to include. Continue to prefer string.h over strings.h when both
6262 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6264 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
6265 not assume top 32-bits of symbolic addresses are zero if
6268 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
6270 * ginclude/va-alpha.h: Protect entire second portion of the
6271 file against double inclusion.
6273 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
6275 Added support for the Boehm's garbage collector.
6276 * configure.in: Handle --enable-objc-gc.
6277 * configure: Rebuilt.
6278 * Makefile.in (CHECK_TARGETS): Add check-objc.
6279 (check-objc): New rule.
6280 * objc/Make-lang.in: Build a different Objective-C library that
6281 runs with the Boehm's collector.
6282 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6283 * objc/encoding.c: Correctly compute the size of compound types in
6284 the presence of bitfields. Skip the variable name of the type if
6285 any. Added support for long long.
6286 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
6287 (_F_GCINVISIBLE): New mask.
6288 * objc/gc.c: New file. Compute the type memory mask associated with
6289 a class based on the runtime information.
6290 * objc/misc.c: Added the hooks that use the Boehm's collector
6291 allocation functions.
6292 * objc/objc-act.c (build_class_template): Generate a new class
6293 member (gc_object_type) to hold the class' type memory mask.
6294 (build_shared_structure_initializer): Initialize the new member to
6296 (encode_complete_bitfield): New function. Generate the new
6298 (encode_field_decl): Generate the new encoding only for the GNU
6300 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
6302 (class_get_gc_object_type): New function to mark a pointer instance
6303 variable as a weak pointer.
6304 * objc/objc-features.texi: New file.
6305 * objc/objc.h (gc_object_type): New class member.
6306 * objc/objects.c (class_create_instance): Create a typed memory
6307 object when compiled with Boehm's collector support.
6308 * objc/sendmsg.c (__objc_init_install_dtable): Call
6309 __objc_send_initialize instead of setting the initialize flag.
6310 (__objc_send_initialize): Call __objc_generate_gc_type_description
6311 to generate the class type memory mask. Rewrite the code that
6312 sends the +initialize so that it is called only once (bug report
6313 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
6314 * testsuite/objc: New testsuite for Objective-C type encoding.
6315 * testsuite/lib/objc-torture.exp: New file.
6316 * testsuite/lib/objc.exp: New file.
6318 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
6320 * jump.c (jump_optimize): In if/then/else transformations, add
6321 another call to modified_between_p for the jump insn.
6323 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
6325 * fix-header.c (symlink): Treat like readlink.
6327 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6329 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
6332 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
6334 * config/nextstep.h: Update HANDLE_PRAGMA macro.
6335 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
6336 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
6338 * config/nextstep.c (handle_pragma): Take three arguments, as per
6339 the new HANDLE_PRAGMA macro specification.
6340 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
6341 per the new HANDLE_PRAGMA macro specification.
6342 * config/i960/i960.c (process_pragma): Take three arguments, as
6343 per the new HANDLE_PRAGMA macro specification.
6345 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
6347 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
6348 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
6349 if unknown pragmas are encountered.
6350 (handle_sysv_pragma): Interpret return code from
6351 handle_pragma_token (). Return success/failure indication rather
6352 than next unprocessed character.
6353 (pragma_getc): New function: retrieves characters from the
6354 input stream. Defined when HANDLE_PRAGMA is enabled.
6355 (pragma_ungetc): New function: replaces characters back into the
6356 input stream. Defined when HANDLE_PRAGMA is enabled.
6358 * c-pragma.c (handle_pragma_token): Return success/failure status
6361 * c-pragma.h: Change prototype of handle_pragma_token().
6363 * varasm.c: (handle_pragma_weak): Only create this function if
6364 HANDLE_PRAGMA_WEAK is defined.
6366 * c-common,c (decl_attributes): If defined call the expression
6367 contained within the INSERT_ATTRIBUTES macro before adding
6368 attributes to a decl.
6370 * tm.texi (HANDLE_PRAGMA): Document the new verion of
6371 HANDLE_PRAGMA, which takes three arguments.
6372 (INSERT_ATTRIBUTES): Document this new macro.
6374 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
6375 new INSERT_ATTRIBUTES macro.
6377 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6379 * config/sparc/sparc.md (movdf): Only generate special RTL for
6380 LABEL_REFs when PIC.
6381 (move_label_di): Remove
6382 (movdi_pic_label_ref, movdi_high_pic_label_ref,
6383 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
6384 references when PIC.
6385 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
6386 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
6387 output an .xword for all 64-bit cases.
6389 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6391 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
6392 alignment, use FUNCTION_BOUNDARY instead.
6393 (sparc_output_deferred_case_vectors): Likewise.
6395 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6397 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
6398 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
6400 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
6402 * alpha/va_list.h: New file.
6403 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
6405 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
6407 * NEWS: Add SCO Openserver and Unixware 7 notes.
6411 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
6413 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
6414 (record_constant_1): Handle RANGE_EXPR.
6416 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
6418 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
6419 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
6420 and NOTE_INSN_RANGE_END specially.
6421 (reemit_notes): Likewise.
6423 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6425 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
6426 (ultrasparc_sched_init): Remove unneeded &.
6428 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6430 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
6431 for m68020-60, to prevent the use of fintrz.
6433 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
6435 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
6437 * Makefile.in: Likewise.
6438 * configure: Regenerated.
6440 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
6442 * configure.in (gxx_include_dir): Changed to
6443 '${prefix}/include/g++'-${libstdcxx_interface}.
6444 * configure: Rebuilt.
6446 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
6448 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
6450 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
6451 *sequences* *below* which scalar moves will be used.
6453 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
6455 * collect2.c (mktemp): Delete unused declaration.
6457 * config/xm-netbsd.h: Remove unnecessary file.
6458 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
6459 file anymore, it is not needed.
6461 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
6463 * convert.c (convert_to_integer): Issue an error on conversions to
6466 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
6468 * Makefile.in: Add lang_tree_files and gencheck.h.
6469 * configure.in: Generate them.
6470 * gencheck.c: Include gencheck.h.
6472 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6474 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
6475 movdi_lo_sum_pic and movdi_high_pic and make visible.
6476 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
6477 emit these when Pmode is not SImode.
6478 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
6480 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
6482 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
6483 .linkonce directive after the first time.
6485 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
6487 * m68k.md (beq0_di): Generate correct (and more efficient) code when
6488 the clobbered operand overlaps with an input.
6489 (bne0_di): Similarly.
6491 * Makefile.in (INSTALL): Remove "--no-header" argument.
6493 * NEWS: Various updates.
6495 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6497 * config/sparc/sparc.c (arith_operand, const64_operand,
6498 const64_high_operand, arith_double_4096_operand): Mark mode as
6500 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
6502 (sparc_emit_set_const64): Remove unused variable i.
6503 (sparc_splitdi_legitimate): Likewise for addr_part.
6504 (ultra_code_from_mask): Likewise for mask.
6505 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
6506 reverse return values so it matches usage and comments.
6507 (ultra_flush_pipeline): Likewise.
6508 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
6509 this_type, and allow loads and stores of differing FP modes as
6510 they do not create a conflict.
6511 (ultra_find_type): Initialize fpmode to SFmode, fix
6512 parenthesization thinkos in large conditional.
6513 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
6514 Init free_slot_mask after ultra_cur_hist is reset, not before.
6515 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
6516 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
6517 use ultra_flush_pipeline instead, then re-init group pointer.
6518 Fix statement with no effect. If no progress made in, and no
6519 instructions scheduled at all, advance to new pipeline cycle else
6520 we get into an endless loop.
6521 (ultrasparc_adjust_cost): Remove previous arg.
6522 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
6524 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
6526 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
6527 code. Use reg_overlap_mentioned_p to detect when source and
6528 destination overlap.
6529 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
6531 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
6533 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
6534 COMPARISON_VAL, into invariant_p.
6536 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6538 * regmove.c (regclass_compatible_p): New function.
6539 (regmove_optimize): Use it.
6541 Use NREGS parameter insted of calling max_reg_num.
6543 (fixup_match_1): Don't use code = MINUS when later tieing with
6544 a hard register is likely.
6546 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6548 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
6549 COMPARISON_VAL was normalized.
6551 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
6553 * loop.c (check_dbra_loop): The loop ending comparison value
6554 must be an invariant or we can not reverse the loop.
6556 * loop.c (scan_loop): Count down from max_reg_num - 1 to
6557 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
6559 (load_mems_and_recount_loop_regs_set): Likewise.
6561 * i386.c (print_operand): Remove obsolete 'c' docs.
6563 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
6565 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
6566 * frame.c (init_object_mutex): New function.
6567 (init_object_mutex_once): Likewise.
6568 (find_fde): Call it.
6569 (__register_frame_info): Likewise.
6570 (__register_frame_info_table): Likewise.
6571 (__deregister_frame_info): Likewise.
6573 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
6575 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
6577 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6579 * loop.c (check_dbra_loop): Enable code for reversal
6580 of some loops without a known constant loop end.
6582 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
6584 * haifa-sched.c (last_clock_var): New.
6585 (schedule_block): Initialize it.
6586 (schedule_insn): Use it to fill insn modes with issue information.
6588 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
6589 Tag trapb and next insn with TImode.
6590 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
6591 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
6592 Invoke alphaev5_align_insns as appropriate.
6593 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
6594 (MD_SCHED_VARIABLE_ISSUE): New.
6595 * alpha.md (attr type): Add multi.
6596 (define_asm_attributes): New.
6597 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
6598 (arg_home): Likewise.
6599 (fnop, unop, realign): New.
6601 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
6603 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
6604 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
6606 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
6607 (rs6000-ibm-aix4.[12]*): Likewise.
6608 * configure: Regnerate.
6610 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
6612 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
6613 already contains the return address.
6615 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
6617 * calls.c (expand_call): Use bitfield instructions to extract/deposit
6618 word sized hunks when loading unaligned args into registers.
6620 * haifa-sched.c (sched_analyze_insn): Only create scheduling
6621 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
6623 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
6625 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6627 * loop.c (check_dbra_loop): Add some code that would allow reversal
6628 of some loops without a known constant loop end if it were enabled.
6630 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
6632 * mips.md (lshrsi3_internal2+2): Fix type-o.
6634 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6636 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
6637 correctly with regards to stdio.h.
6639 * calls.c: Remove stdarg.h/varargs.h.
6642 * combine.c: Likewise.
6643 * cpperror.c: Likewise.
6644 * cpplib.c: Likewise.
6645 * cpplib.h: Likewise.
6646 * doprint.c: Likewise.
6647 * emit-rtl.c: Likewise.
6648 * final.c: Likewise.
6649 * fix-header.c: Likewise.
6651 * genattr.c: Likewise.
6652 * genattrtab.c: Likewise.
6653 * gencodes.c: Likewise.
6654 * genconfig.c: Likewise.
6655 * genemit.c: Likewise.
6656 * genextract.c: Likewise.
6657 * genflags.c: Likewise.
6658 * genopinit.c: Likewise.
6659 * genoutput.c: Likewise.
6660 * genpeep.c: Likewise.
6661 * genrecog.c: Likewise.
6662 * mips-tfile.c: Likewise.
6663 * prefix.c: Likewise.
6664 * protoize.c: Likewise.
6665 * regmove.c: Likewise.
6666 * toplev.c: Likewise.
6669 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6671 * config/sparc/sparc.c (sparc_override_options): If not
6672 TARGET_FPU, turn off TARGET_VIS.
6673 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
6674 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
6675 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
6676 (movdi_insn_sp64): Add VIS fzero alternative.
6677 (clear_sf, clear_df): New VIS patterns.
6678 (movsf, movdf expanders): Allow fp_zero_operand flat out when
6680 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
6682 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
6684 * loop.c (n_times_set, n_times_used, may_not_optimize,
6685 reg_single_usage): Convert to varrays. All uses changed.
6686 (insert_loop_mem): Return a value.
6687 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
6688 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
6691 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
6694 * configure.in: Do not set thread_file to "irix" since no such
6697 * sparc.md (float abs/neg splits): Check reload_completed before
6698 calling alter_subreg.
6700 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6702 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
6704 * config/sparc/sparc.h: Declare it.
6705 * config/sparc/sparc.md (float abs/neg splits): Use it.
6706 (all other splits): Handle SUBREGs properly where necessary.
6707 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
6709 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
6711 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
6712 an insn on the unfilled_slots_list that has no delay slots.
6713 (fill_eager_delay_slots): Similarly.
6715 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
6717 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
6718 as an ordinary operand.
6720 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
6722 * tree.c (valid_machine_attribute): Don't apply attributes to both
6725 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
6727 * reload.c (operands_match_p): Handle rtvecs.
6729 * i386.c (legitimate_pic_address_disp_p): New.
6730 (legitimate_address_p): Use it.
6731 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
6732 Handle constant pool symbols just like statics.
6733 (emit_pic_move): Use Pmode not SImode for clarity.
6734 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
6735 [UNSPEC]: New, handling what we killed above.
6736 [PLUS]: Detect and abort on invalid symbol arithmetic.
6737 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
6739 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
6741 * alias.c: Include output.h.
6742 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
6743 different if we're in a varargs function.
6744 * Makefile.in (alias.o): Depend on output.h
6746 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6748 * sh.h (GIV_SORT_CRITERION): Delete.
6750 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
6752 * regclass.c (regclass): Use xmalloc/free instead of alloca.
6753 * stupid.c (stupid_life_analysis): Ditto.
6754 * reload1.c (reload): Ditto.
6756 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6758 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
6759 arith_double_4096_operand, arith_double_add_operand): New
6761 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
6762 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
6763 them to transform add/sub 4096 into add/sub -4096.
6765 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6767 * loop.c (scan_loop): Allocate some slop to handle pseudos
6768 generated by move_movables.
6769 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
6772 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
6774 * tree.def (DECL_RESULT): Correct documentation.
6776 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6778 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
6779 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
6780 conflicts will all RELOAD_FOR_OUTPUT reloads.
6782 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
6783 loads the function result, substitute with a USE.
6785 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6787 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
6788 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
6789 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
6790 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
6791 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
6792 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
6794 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
6795 'o' to 'm' for GPR variant constraints.
6797 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
6799 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
6801 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
6803 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
6804 when the source and destination overlap.
6806 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
6807 clash with global type.
6809 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
6811 * fixinc.irix: Add curses.h handling from fixinc.wrap.
6813 * c-common.c (combine_strings): Also set TREE_READONLY.
6814 Change warn_write_strings to flag_const_strings.
6815 * c-decl.c, c-tree.h: Likewise.
6817 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6819 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
6820 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
6821 sequence, use SET/IOR instead so CSE can see it.
6822 * config/sparc/sparc.md (movhi_const64_special,
6823 movsi_const64_special): New patterns necessitated by that change.
6824 (movhi_high): Remove.
6825 (movhi_lo_sum): Change to match an IOR.
6826 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
6827 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
6828 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
6829 (movdf splits): Allow when not V9 or when not ARCH64 and integer
6830 registers are involved.
6831 (snesi_zero_extend split): Remove reload_completed test.
6832 (unnamed plus and minus zero_extend sidi splits): Add it.
6834 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
6836 * extend.texi: Remove description of extension to explicit
6837 instantiation that is now endorsed by standard C++.
6839 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6841 * config/arc/arc.c (arc_initialize_pic): Remove.
6842 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
6843 nothing on any platform and is invoked by no-one, it does not even
6844 appear in the documentation.
6845 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
6846 * config/sparc/sparc.c (initialize_pic): Likewise.
6847 (find_addr_reg): Remove this as well, no longer referenced after
6850 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
6852 * recog.c (validate_replace_rtx_group): New function.
6853 * recog.h (validate_replace_rtx_group): Declare it.
6854 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
6855 the entire group of substitutions.
6857 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
6859 * loop.c (load_mems): Fix initializers.
6861 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6863 * config/sparc/sparc.md (TFmode splits): Handle destination
6864 registers being referenced in the address correctly.
6866 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
6867 TREE_UNSIGNED, when bitsize of type's mode is larger than
6868 HOST_BITS_PER_WIDE_INT.
6870 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6872 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
6873 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
6874 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
6876 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
6879 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
6881 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
6882 * h8300.h (TINY_DATA_NAME_P): Likewise.
6883 (STRIP_NAME_ENCODING): Handle '&'.
6885 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
6886 register (it could be accessed via an outer SUBREG).
6887 (REG_OK_FOR_BASE_P): Likewwise.
6888 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
6890 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
6893 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
6895 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6897 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
6898 must be offsettable so the splits can be made.
6900 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
6902 * config/i386/winnt.c: Include system.h, not stdio.h to get
6903 sys/param.h pulled in before rtl.h in case the system defines MIN
6906 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
6908 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
6910 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
6912 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
6914 * cpplib.c (cpp_define): Handle macros with parameters.
6916 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6918 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
6919 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
6920 and DImode 64-bit. Use llong for minimal-toc SFmode and
6921 SYMBOL_REF / LABEL_REF 64-bit.
6922 (output_function_profiler): Use llong for profiler label and ld to
6923 load 64-bit label address.
6925 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
6927 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
6930 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
6932 * version.c: Bump for snapshot.
6934 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
6936 * version.c: Bump for snapshot.
6938 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
6940 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
6942 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
6944 * tm.texi (Misc): Fix typo "teh".
6946 * tm.texi (PIC): Fix typo "PPIC".
6948 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
6949 effect when -O2 and higher.
6950 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
6952 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
6954 * regclass.c: Changed register set documentation to be consistent
6957 * final.c (final_start_function) Removed redundant test for
6960 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
6962 * rtl.h (rtx_function): New type.
6963 (for_each_rtx): New function.
6964 * rtlanal.c (for_each_rtx): Define it.
6966 * recog.c (change_t): New type.
6967 (change_objects, change_old_codes, change_locs, change_olds):
6969 (changes): New variable.
6970 (validate_change): Dynamically allocate room for more changes, if
6971 necessary. Uses changes array instead of change_objects, etc.
6972 (apply_change_group): Use changes array instead of
6973 change_objects, etc.
6975 * loop.c (loop_mem_info): New type.
6976 (loop_mems): New variable.
6977 (loop_mems_idx): Likewise.
6978 (looop_mems_allocated): Likewise.
6979 (scan_loop): Remove nregs parameter.
6980 (next_insn_in_loop): New function.
6981 (load_mems_and_recount_loop_regs_set): Likewise.
6982 (load_mems): Likewise.
6983 (insert_loop_mem): Likewise.
6984 (replace_loop_mem): Likewise.
6985 (replace_label): Likewise.
6986 (INSN_IN_RANGE_P): New macro.
6987 (loop_optimize): Don't pass max_reg_num() to scan_loop.
6988 (scan_loop): Remove nregs parameter, compute it after any new
6989 registers are created by load_mems. Use INSN_IN_RANGE_P and
6990 next_insn_in_loop rather than expanding them inline. Call
6991 load_mems to load memory into pseudos, if appropriate.
6992 (prescan_loop): Figure out whether or not there are jumps from the
6993 loop to targets other than the label immediately following the
6994 loop. Call insert_loop_mem to notice all the MEMs used in the
6995 loop, if it could be safe to pull MEMs into REGs for the duration
6997 (strength_reduce): Use next_insn_in_loop. Tweak comments.
6999 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
7001 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
7003 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7005 * config/sparc/sparc.c (finalize_pic): Check for the correct
7006 nonlocal_goto_receiver UNSPEC number.
7007 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
7008 making note of this dependency existing in sparc.c
7009 (negtf2_notv9 split): Give NEG SFmode.
7010 (negsf2): Fix insn output string.
7012 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
7014 * c-common.c (decl_attributes): Issue an error if the argument
7015 to alias is not a string.
7017 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
7019 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
7020 pending memory flush list.
7022 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
7024 (try_combine): Allow combining insns with REG_LIBCALL notes.
7026 * expr.c (emit_block_move): Do not call memcpy as a libcall
7027 instead build up a CALL_EXPR and call it like any other
7029 (clear_storage): Similarly for memset.
7031 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
7034 * Makefile.in (cplus-dem.o): Provide explicit rules for building
7037 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
7038 and REG_LIVE_LENGTH as successful substitutions are made.
7040 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7042 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
7043 statement after end of loop label.
7045 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7047 * config/sparc/sparc.c (ultra_types_avail): New variable.
7048 (ultra_build_types_avail): New function to record mask of insn
7049 types in ready list at this cycle.
7050 (ultrasparc_sched_reorder): Call it.
7051 (ultra_find_type): Use it to quicken the search. Also simplif
7052 dependency check, don't use rtx_equal_p because we know exactly
7053 what we are looking for.
7055 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
7057 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
7058 for architecture v4.
7060 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7062 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
7064 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
7065 movdf_const_intreg and helper splits): New patterns to move float
7066 constants into integer registers.
7067 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
7070 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
7073 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
7075 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
7077 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
7078 a BASE_REGS register is needed as an intermediate when copying
7079 a symbolic value into any register class other than BASE_REGS.
7081 * expr.c (move_by_pieces): No longer static. Remove prototype.
7082 * rtl.h (move_by_pieces): Add extern prototype.
7083 * mips.c (expand_block_move): Handle aligned straight line copy by
7084 calling move_by_pieces.
7086 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
7089 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
7091 * stmt.c (expand_end_loop): Tidy. Allow unconditional
7092 jumps out of the loop to be treated as part of the exit test.
7094 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7095 Jeff Law <law@cygnus.com>
7097 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
7098 * cplus-dem.c: Delete.
7100 * Makefile.in (fold-const.o): depend on $(RTL_H).
7102 * fold-const.c: Include rtl.h to get the prototype for
7103 `set_identifier_local_value'.
7105 * loop.c (express_from_1): Remove unused variable `tmp'.
7106 (combine_givs): cast the first argument of bzero to char *.
7108 * toplev.c (display_help): Remove unused variable `looking_for_start'.
7110 * c-decl.c (init_decl_processing): Remove unneeded &.
7112 * alpha.h (alpha_initialize_trampoline): Provide prototype.
7114 * except.c (set_exception_lang_code, set_exception_version_code):
7115 Change parameter from `short' to `int' to avoid using a gcc
7118 * except.h (set_exception_lang_code, set_exception_version_code):
7119 Likewise for prototypes.
7121 * flow.c (count_reg_references): Remove unused variables `regno'
7124 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
7126 * prefix.c (translate_name): Cast the result of `alloca'.
7128 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
7130 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7132 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
7134 (valid_dbcc_comparison_p): Mark mode argument as unused.
7135 (symbolic_operand): Likewise.
7136 (legitimize_pic_address): Likewise.
7137 (const_uint32_operand): Likewise.
7138 (const_sint32_operand): Likewise.
7139 * sched.c [!INSN_SCHEDULING]: Define only dummy function
7140 schedule_insns and comment out rest of file.
7142 * m68k.c (output_move_simode_const): Use subl to move a zero into an
7144 (output_move_[hq]imode): Likewise.
7146 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
7148 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
7149 * invoke.texi: Corresponding changes.
7151 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
7153 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
7155 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7157 * config/sparc/sparc.c (ultra_code_from_mask,
7158 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7159 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
7160 ultrasparc_sched_init, ultrasparc_variable_issue,
7161 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
7162 functions to describe UltraSPARC pipeline exactly to Haifa.
7163 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
7164 as there is nothing the scheduler can do about it. Indicate that
7165 REG_DEP_OUTPUT's collide. Fixup formatting.
7166 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
7167 divide costs on Ultra for DImode.
7168 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
7170 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
7171 ieuN and add call_no_delay_slot to type list.
7172 (cti function unit): New unit for branches on UltraSPARC.
7173 (subx/addx insns): Set type to misc.
7174 (sidi zero/sign extension insns on arch64): Set type to shift.
7175 (sign_extendhidi2_insn): Set type to sload.
7177 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
7179 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
7180 (output_epilog): Use if != 0 for offset.
7181 (rs6000_fatal_bad_address): Prepare for Intl.
7182 * rs6000.h (rs6000_fatal_bad_address): Declare.
7183 * rs6000.md (movsfcc, movdfcc): Use else if.
7184 (elf_high): Use {liu|lis}.
7185 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
7186 (movsi): Use rs6000_fatal_bad_address.
7188 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
7190 * reload.c (find_equiv_reg): Reject equivalences separated
7191 by a volatile instruction.
7193 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7195 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
7197 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
7199 * alpha.md (movsicc): Fix mode mismatch.
7201 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
7203 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
7205 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
7207 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7209 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
7210 write-only modifier from operand 1 constraint.
7212 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7214 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
7215 emitting a XOR of -1 at the end, emit a NOT instead for combine's
7217 (sparc_emit_set_const64): Likewise, also when computing trailing
7218 bits do not negate low_bits and make fast_int an int.
7220 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
7222 * loop.c (add_label_notes): Do not ignore references to labels
7223 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
7224 * gcse.c (add_label_notes): Similarly.
7226 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
7228 * m68k.md (adddi_dilshr32): One of the operands must be a register.
7229 (adddi_dishl32): Similarly.
7231 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
7233 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
7234 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
7235 * cse.c (cse_basic_block): Add parens to shut up warnings.
7237 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7239 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
7240 sparc_emit_set_const64_longway, const64_is_2insns,
7241 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
7242 in 64-bit constant formation.
7243 * config/sparc/sparc.md (snesi_zero_extend split): Generate
7244 rtl for addx not subx.
7245 (define_insn movdi_const64_special): Make available even when
7246 HOST_BITS_PER_WIDE_INT is not 64.
7247 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
7248 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
7249 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
7250 instances of operand 1 inside a QI subreg.
7251 (xordi3_sp64_dbl): Remove '%' constraint for op1.
7252 (one_cmpldi2_sp64): Fix output string.
7253 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
7255 (unnamed arch64 ashift DI): Truncate shift count if greater than
7258 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7260 * expr.c (store_expr): Don't optimize away load-store pair
7261 when either source or destination have a side effect.
7263 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
7265 * genrecog.c (add_to_sequence): Fatal error if the modes of the
7266 operands of SET are incompatible.
7268 * alpha.md: Fix max and min patterns so modes of SET operands match.
7270 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
7272 * configure.in: Avoid [[ by using test and changequote.
7273 * configure: Rebuild.
7275 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7277 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7279 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7280 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7281 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7282 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7283 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7284 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
7285 Fix mismatching modes in SET operands.
7286 (conditional move patterns): Fix formatting.
7287 (unnamed subx arch64 pattern): Remove duplicate insn.
7289 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7291 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7292 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
7293 (input_operand): Fixup test for what we accept for constant
7295 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
7297 (safe_constDI): Remove.
7298 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7299 gen_safe_XOR64): New functions.
7300 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
7301 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
7303 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
7304 available when HOST_BITS_PER_WIDE_INT is not 64.
7305 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
7306 move before movdi_insn_sp64 pattern.
7307 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
7308 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
7309 symbolic_operand as predicate for second operand.
7310 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
7311 expander): Give set VOIDmode.
7313 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
7315 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
7317 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
7319 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
7321 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
7323 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
7325 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
7327 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
7329 * install.texi: Various SCO OpenServer tweaks.
7331 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
7333 * reload1.c (eliminate_regs_in_insn): Handle another case when
7334 eliminating the frame pointer to the hard frame pointer. Add
7335 missing ep->to_rtx check to one existing case.
7337 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
7339 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7341 * tree.h: De-conditionalize init_priority code.
7343 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
7344 * collect2.c (NM_FLAGS): Change from -p to -n.
7346 * configure.in: Turn on collect2 for mipstx39-elf.
7347 Handle use_collect2=no properly.
7349 * c-common.c: De-conditionalize init_priority code.
7350 * collect2.c (extract_init_priority, sort_ids): New fns.
7351 (main): Call sort_ids.
7352 Move sequence_number to file scope.
7354 * configure.in: Handle --enable-init-priority.
7355 * c-common.c (attrs): Add A_INIT_PRIORITY.
7356 (init_attributes, decl_attributes): Likewise.
7357 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
7358 * tree.c (get_file_function_name_long): Split out...
7359 (get_file_function_name): ...from here.
7361 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
7363 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
7366 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
7368 * toplev.c (display_help): Add braces to shut up warnings.
7369 * tree.c (simple_cst_equal): Likewise.
7371 * fold-const.c (non_lvalue): Don't deal with null pointer
7373 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7375 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
7376 of any size to a pointer.
7378 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
7380 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
7382 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
7384 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
7385 which will be saved.
7386 * mn10300.md (prologue insn): Only save registers which need saving.
7387 (epilogue insn): Similarly.
7389 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
7392 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
7394 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
7395 VAR_DECL's in gp addressable sections.
7397 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
7399 * sparc.c: Change return <exp> to <exp>; return; in functions
7401 * sparc.md: Add empty semicolon statement after final label in
7404 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7406 * config/sparc/sparc.md (define_insn addx_extend): Rename to
7407 addx_extend_sp64, only allow when TARGET_ARCH64.
7408 (define_insn addx_extend_sp32 and split): Version that works when
7410 (define_insn subx_extend): Likewise.
7411 (define_split adddi3 and subdi3 with zero extension): Fixup and
7412 correct bugs when not TARGET_ARCH64.
7414 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
7416 * except.c (set_exception_lang_code, set_exception_version_code):
7417 Use prototype-style definition if __STDC__, to match declaration
7420 * genemit.c: Change FAIL and DONE macros not to use loops.
7422 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
7424 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
7425 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
7427 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
7429 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
7431 * README.g77: Update from Craig.
7433 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7435 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
7437 (safe_constDI sparc_emit_set_const64_quick1,
7438 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7439 analyze_64bit_constant, const64_is_2insns,
7440 create_simple_focus_bits): Fix some bugs when compiled on real
7442 (function_arg_record_value_3, function_arg_record_value_2,
7443 function_arg_record_value): Add fully prototyped forward decls.
7444 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
7445 to cmpsi_insn and use on both 64 and 32 bit targets.
7446 (define_insn cmpsi_insn_sp64): Remove.
7447 (define_expand zero_extendsidi2): Allow for 32-bit target too.
7448 (define_insn zero_extendsidi2_insn): Rename to
7449 zero_extendsidi2_insn_sp64.
7450 (define_insn zero_extendsidi2_insn_sp32): New pattern and
7451 assosciated forced split for it.
7453 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7455 * config/sparc/sparc.h: Declare them.
7456 (PREDICATE_CODES): Add them.
7457 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
7458 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
7460 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
7462 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
7463 in v9 case as the latter makes the Solaris assembler crash.
7465 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7467 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
7468 for TFmode when !v9. We require offsettable memory addresses.
7469 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
7470 DFmode register number conversions.
7471 * config/sparc/sparc.md (define_split DFmode moves): If register
7472 is a SUBREG do alter_subreg on it before using.
7473 (define_expand movtf): Fixup comment about alignment on v9.
7474 (define_split TFmode moves): Don't use gen_{high,low}part, create
7475 explicit SUBREGs instead.
7477 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
7479 * Makefile.in (mbchar.o): Depend on mbchar.c.
7481 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7482 Richard Henderson <rth@cygnus.com>
7484 Rewrite Sparc backend for better code generation and
7485 improved sparc64 support.
7486 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
7488 * config/sparc/sysv4.h: Likewise.
7489 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
7490 move_operand, v8plus_regcmp_op, emit_move_sequence,
7491 singlemove_string, doublemove_string, mem_aligned_8,
7492 output_move_double, output_move_quad, output_fp_move_double,
7493 move_quad_direction, output_fp_move_quad, output_scc_insn):
7495 (small_int_or_double): New predicate.
7496 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
7497 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
7498 old pic_{sethi,lo_sum}_si patterns.
7499 (mem_min_alignment): New generic function to replace
7500 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
7501 available and can test for arbitrary alignments. All callers
7503 (save_regs, restore_regs, build_big_number,
7504 output_function_prologue, output_cbranch, output_return,
7505 sparc_flat_save_restore, sparc_flat_output_function_prologue,
7506 sparc_flat_output_function_epilogue): Prettify
7508 (output_function_epilogue): Likewise and add code to output
7509 deferred case vectors.
7510 (output_v9branch): Likewise, add new arg INSN and use it to tack
7511 on branch prediction settings. All callers changed.
7512 (print_operand): Likewise and output %l44 for LO_SUMs when
7514 (sparc_splitdi_legitimate): New function to make sure DImode
7515 splits can be run properly when !arch64.
7516 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
7517 Reformat example code in comments.
7518 (set_extends): Remove UNSPEC/v8plus_clear_high case.
7519 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
7520 of deferred case vectors we need to output.
7521 (sparc_defer_case_vector): Record a case vector.
7522 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
7523 sparc_output_deferred_case_vectors): New functions to output them.
7524 (sparc_emit_set_const32): New function to form 32-bit constants in
7525 registers when that requires more than one instruction.
7526 (safe_constDI, sparc_emit_set_const64_quick1,
7527 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7528 analyze_64bit_constant, const64_is_2insns,
7529 create_simple_focus_bits, sparc_emit_set_const64): New functions
7530 which do the same for 64-bit constants when arch64.
7531 (sparc_emit_set_symbolic_const64): New function to emit address
7532 loading for all code models on v9.
7533 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
7534 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
7535 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
7536 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
7537 inaccuracies in comments, add symbolic and text_segment operands
7538 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
7539 GENERAL_REGS in these cases as a temp REG is needed to load these
7540 addresses into a register properly.
7541 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
7543 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
7544 quads are guarenteed to have 16-byte alignment.
7545 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
7546 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
7547 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
7548 deferred case vector implementation.
7549 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
7550 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
7551 Generate "internal label - label" instead of "label - 1b".
7552 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
7553 (PREDICATE_CODES): Remove sparc_operand, move_operand,
7554 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
7556 (doublemove_string, output_block_move, output_fp_move_double,
7557 output_fp_move_quad, output_move_double, output_move_quad,
7558 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
7559 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
7560 (sparc_emit_set_const32, sparc_emit_set_const64,
7561 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
7562 mem_min_alignment, small_int_or_double): Add externs.
7563 * config/sparc/sparc.md: Document the many uses of UNSPEC and
7564 UNSPEC_VOLATILE in this backend.
7565 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
7566 unary to types which execute in it.
7567 (define_function_unit ieu_shift): Rename to ieu0.
7568 (define_function_unit ieu1): New, executes compare, call, and
7569 uncond_branch type insns.
7570 (define_function_units for type fdivs, fdivd, fsqrt): These
7571 execute in the fpu multiply unit not the adder on UltraSparc.
7572 (define_expand cmpdi): Disallow TARGET_V8PLUS.
7573 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
7574 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
7575 allows the arith_double_operand predicate and rHI constraint when
7577 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
7578 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
7579 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
7580 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
7581 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
7582 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
7583 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
7584 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
7585 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
7586 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
7587 sign_extendqihi2_insn, sign_extendqisi2_insn,
7588 sign_extendqidi2_insn, sign_extendhidi2_insn,
7589 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
7590 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
7591 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
7592 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
7593 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
7594 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
7595 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
7596 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
7597 smulsi3_highpart_v8plus, unnamed subreg mult,
7598 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
7599 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
7600 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
7601 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
7602 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
7603 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
7604 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
7605 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
7606 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
7607 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
7608 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
7609 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
7610 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
7611 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
7612 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
7613 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
7614 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
7615 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
7616 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
7617 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
7618 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
7619 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
7620 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
7621 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
7622 call_address_untyped_struct_value_sp32,
7623 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
7624 call_value_symbolic_sp32, call_value_address_sp64,
7625 call_value_symbolic_sp64, branch_sp32, branch_sp64,
7626 flush_register_windows, goto_handler_and_restore,
7627 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
7628 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
7629 return_addsi, return_di, return_adddi, return_sf, all call+jump
7630 peepholes, trap, unnamed trap insns): Prettify output strings.
7631 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
7632 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
7633 Likewise and force + implement splits for integer cases.
7634 (define_insn return_sf_no_fpu): Likewise and allow to match when
7635 no-fpu because of our subreg SFmode splits.
7636 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
7637 zero_extendqidi2_insn, zero_extendhidi2_insn,
7638 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
7639 input_operand for second operand.
7640 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
7641 reg_or_0_operand for operand 2 so new splits can use it.
7642 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
7643 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
7645 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
7646 CONST_DOUBLEs for operand 2.
7647 (define_insn move_label_di): Likewise and label distance
7648 optimization because it no longer works with new deferred case
7649 vector scheme. To be revisited.
7650 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
7651 and allow reg_or_0_operand and J constraint for second operand.
7652 (define_insn jump): Set branch predict taken on V9.
7653 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
7654 new deferred case vector scheme.
7655 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
7656 (define_insn negdi2_sp32): Force + implement splits.
7657 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
7658 one_cmplsi2_not_liveg0 respectively, and create expander of original
7659 names which emit special rtl for TARGET_LIVE_G0.
7660 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
7661 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
7662 gen_compare_reg, FAIL instead.
7663 (define_insn sgtu, sleu): Likewise and check gen_s*() return
7664 values when trying to reverse condition codes, if they FAIL then
7666 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
7667 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
7668 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
7669 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
7670 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
7671 set output string to # to indicate they are mandatory splits.
7672 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
7673 pic_sethi_di, move_pic_label_si): Remove.
7674 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
7675 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
7677 (define_expand movsi_pic_label_ref, define_insn
7678 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
7679 expander and insns to handle PIC label references and deferred
7681 (define_insn get_pc_via_rdpc): Comment out as it is no longer
7683 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
7684 Rewrite to not use emit_move_sequence, make use of new constant
7685 formation code, and new splits for all multi-insn cases.
7686 (define_insn movqi_insn): Remove sethi case, it can never happen.
7687 Use reg_or_zero_operand instead of const0_rtx explicit test,
7688 use input_operand instead of move_operand for source, and use
7689 general_operand now for dest.
7690 (define_insn movhi_insn): Similar but leave sethi case.
7691 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
7692 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
7693 movhi_lo_sum respectively, prettify output string.
7694 (define_insn movsi_zero_liveg0): New pattern to put zero into a
7695 register when needed on TARGET_LIVE_G0.
7696 (define_insn movsi_insn): Use general_operand and input_operand
7697 for dest and src respectively. Simplify applicability test.
7698 Prettify output strings, and add clr alternative for J
7700 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
7701 deprecated std and reg-reg DI moves): Remove and...
7702 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
7703 implementation which uses forced splits for all non-single insn
7705 (define_split DI move cases on !arch64): New splits to handle all
7706 situations of 64-bit double register DImode on 32bit, and
7707 unaligned registers and memory addresses for all subtargets.
7708 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
7710 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
7711 input_operand for dest and src respectively, prettify output
7713 (define_insn movdf_insn, movdf_no_e_insn, store_df,
7714 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
7716 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
7717 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
7718 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
7719 movtf_no_e_insn_sp64) Replace with new
7720 implementation which uses forced splits for all non-single insn
7722 (define_split DF move cases): New splits in similar vein to DI
7724 (define_insn sethi_di_medlow, sethi_di_medium_pic,
7725 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
7726 movdi_sp64_insn): Remove old v9 code model and constant loading
7728 (define_insn pic_lo_sum_di, pic_sethi_di,
7729 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
7730 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
7731 embmedany_sethi, embmedany_losum, embmedany_brsum,
7732 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
7733 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
7734 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
7735 scheme, using unspecs, secondary reloads, and one to one sparc
7736 insn to rtl insn mapping for better scheduling and code gen.
7737 (define_expand reload_indi, reload_outdi): Reload helpers for
7738 MEDANY and EMBMEDANY symbol address loading cases which require a
7740 (define_expand movsicc): Remove v8plus_regcmp cases.
7741 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
7742 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
7743 cmp_diqi_trunc_set): New patterns used by some of the new scc
7745 (define_insn xordi3_sp64_dbl): New pattern used for constant
7746 formation when crossing from 32-bit targets.
7747 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
7749 (define_insn addx, subx): Make visible and prettify.
7750 (define_insn adddi3_insn_sp32): Likewise and force split.
7751 (define_insn addx_extend, subx_extend, unnamed): New patterns for
7752 64bit scc split usage.
7753 (define_insn unnamed plusDI zero_extend, unnamed minusDI
7754 zero_extend, subdi3): Force and implement splits.
7756 * final.c (final_scan_insn): Don't output labels if target
7757 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
7760 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
7761 don't forget to walk inside SEQUENCESs too as these are what the
7762 delay slot scheduler will create.
7764 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
7766 * alpha.md (extxl+1,+2): New patterns to work around
7769 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
7771 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
7772 caused bad assembly code to be generated.
7774 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
7776 * netbsd.h: Fix typo.
7778 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
7780 * config.sub: Fix typo.
7782 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
7784 * invoke.texi (Environment Variables): Typo: Change "ascpects"
7786 (Running Protoize): Typo: Change "ther" into "other".
7788 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
7790 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
7791 * m68k/netbsd.h: Likewise.
7792 * ns32k/netbsd.h: Likewise.
7793 * sparc/netbsd.h: Likewise.
7795 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
7797 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
7798 * ginclude/va-clipper.h (va_list): Likewise.
7800 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
7802 * rs6000.c (rs6000_override_options): If big endian and -Os, use
7803 load/store multiple instructions unless user overrides.
7805 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
7807 * ns32k/netbsd.h: Fix typo.
7809 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
7811 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
7812 labels with .debugsym if no parallel insns.
7814 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
7816 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
7817 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
7819 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
7821 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
7822 (AR_FOR_TARGET): Define.
7824 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
7826 * dyn-string.h: New file.
7827 * dyn-string.c: Likewise.
7828 * Makefile.in (OBJS): Add dyn-string.o.
7829 (dwarf2out.o): Add dyn-string.h dependency.
7830 (dyn-string.o): List dependencies.
7831 * dwarf2out.c: Include dyn-string.h.
7832 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
7833 (addr_const_to_string): Take a dyn_string_t, not a char* as a
7834 prototype. Use dyn_string_append rather than strcat, throughout.
7835 (addr_to_string): Use dyn_string_t.
7837 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
7839 Function entry/exit profiling instrumentation:
7840 * expr.h (profile_function_entry_libfunc,
7841 profile_function_exit_libfunc): Declare new variables.
7842 * optabs.c: Define them here.
7843 (init_optabs): Initialize them.
7844 * tree.h (struct tree_decl): New flag
7845 no_instrument_function_entry_exit.
7846 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
7847 * c-decl.c (duplicate_decls): Merge it.
7848 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
7849 (init_attributes): Use it for "no_instrument_function".
7850 (decl_attributes): Handle it, for functions that have not yet been
7851 compiled. Set decl flag.
7852 * flags.h (flag_instrument_function_entry_exit): Declare new
7854 * toplev.c (flag_instrument_function_entry_exit): Define it here.
7855 (f_options): New option "instrument-functions".
7856 * function.h (struct function): New field instrument_entry_exit.
7857 * function.c (current_function_instrument_entry_exit): New
7859 (push_function_context_to, pop_function_context_from): Save and
7861 (expand_function_start): Set current_ variable, maybe emit return
7862 label and entry profile call.
7863 (expand_function_end): Maybe emit exit profile call.
7865 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
7867 * i386.md (movqi): When optimizing a load of (const_int 1) into a
7868 NON_QI_REG_P, pretend the register is SImode.
7870 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
7872 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
7873 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
7874 manufacturer id for ns32k.
7875 * configure: Regenerated.
7876 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
7877 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
7878 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
7879 * config/m68k/netbsd.h: Same.
7880 * config/ns32k/netbsd.h: Same.
7881 * config/sparc/netbsd.h: Same.
7883 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
7885 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
7886 or UNROLL_COMPLETELY loop that starts with a jump to its
7889 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
7891 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
7892 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
7893 (print_operand, case 'B'): Don't fall through.
7894 (print_operand, case 'S'): Correct mask begin/end computation.
7895 Use HOST_BITS_PER_WIDE_INT.
7896 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
7897 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
7898 * rs6000/aix41.h (CPP_PREDEFINES): Same.
7899 * rs6000/aix43.h (CPP_PREDEFINES): Same.
7901 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
7903 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
7904 constraint from second alternative.
7906 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
7908 * configure.in: Fix --without/--disable cases for local-prefix,
7909 gxx-include-dir and checking.
7911 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7913 * configure.in (enable_haifa): Set by default for sparc64 too.
7916 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
7918 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
7919 * i386/winnt.c (associated_type): New fn.
7920 (i386_pe_valid_type_attribute_p): New fn.
7921 (i386_pe_check_vtable_importexport): Remove.
7922 (i386_pe_dllexport_p): Use associated_type.
7923 (i386_pe_dllimport_p): Likewise.
7925 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
7926 * i386.c (i386_valid_type_attribute_p): Also accept
7927 attributes for METHOD_TYPEs.
7929 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
7931 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
7933 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
7935 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
7937 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
7938 them from generating a new base name for each occurence of
7941 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
7943 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
7945 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
7949 * cplus-dem.c (type_kind_t): New type.
7950 (demangle_template_value_parm): Add type_kind_t parameter. Rely
7951 on this paramter, rather than demangling the type again.
7952 (demangle_integral_value): Pass tk_integral.
7953 (demangle_template_: Pass the value returned from do_type.
7954 (do_type): Return a type_kind_t. Pass tk_integral to
7955 demangle_template_value_parm for array bounds.
7956 (demangle_fund_type): Likewise.
7958 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
7960 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
7963 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
7965 * pa.c (move_operand): Accept CONSTANT_P_RTX.
7967 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
7969 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
7971 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
7974 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
7976 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
7977 (DEBUGGER_ARG_OFFSET): Likewise.
7979 * mn10300.md (movsf): Remove last change. Not needed.
7981 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
7983 * c-lex.c (yylex): Fix boundary conditions in character literal and
7984 string literal loops.
7986 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
7988 * longlong.h (count_leading_zeros): Sparclite scan instruction was
7989 being invoked incorrectly.
7991 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
7992 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
7994 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
7995 * configure.in: Added i[34567]86-*-win32
7996 * config.sub: Ditto.
7997 * configure: Rebuilt.
7999 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
8001 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
8002 the frame pointer and compiling PIC code and reload has not completed.
8004 * i386.c (output_to_reg): Add code to emulate non-popping DImode
8007 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
8009 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
8011 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8013 * Makefile.in (install-info): Only try to update the info
8014 directory file if it exists in the first place.
8016 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
8018 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
8020 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
8022 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
8023 CONST_DOUBLE source.
8025 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
8027 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
8028 strings as the insertion of USER_LABEL_PREFIX.
8029 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
8031 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
8034 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
8036 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
8037 already defined type.
8039 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
8041 * expr.c (check_max_integer_computation_mode): Allow conversions
8042 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
8043 (expand_expr): Likewise.
8045 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8047 * expr.c (expand_expr): Expand RETURN_EXPR.
8049 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
8051 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
8053 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
8055 * dwarf2out.c (output_aranges): Call stripattributes
8056 for TEXT_SECTION references.
8057 (output_line_info): Likewise.
8059 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8061 * profile.c (branch_prob): Call allocate_reg_info after outputting
8062 profile rtl in instrument_arcs.
8064 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
8066 * fixinc.irix (math.h): Install wrapper instead of copying.
8068 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8070 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
8071 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
8072 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
8073 lang_flag_0. Added documentation in the flag table.
8075 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
8077 * cccp.c (do_include): Fix vax c style include handling.
8079 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8081 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
8083 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
8085 * fold-const.c (non_lvalue): Don't deal with null pointer
8087 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8089 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
8091 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
8092 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
8093 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
8094 (u_short_cint_operand): Same.
8095 (reg_or_cint_operand): Same.
8096 (logical_operand): Same.
8097 (input_operand): Same.
8098 (reg_or_short_operand): Use u_short_cint_operand.
8100 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
8102 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
8103 but keep the insns and splits. Adjust so when the ultimate destination
8104 is memory, use cvtql.
8106 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
8108 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
8110 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
8112 * gcc.c (do_spec): Call "error" not "warning".
8114 * configure.in: Fix minor problems with gas feature detection code.
8115 * configure: Rebuilt.
8117 * gcc.c (do_spec): Issue a warning for '%[]' usage.
8120 * gcc.c: Delete %[spec] support.
8121 (do_spec_1, case '('): Likewise.
8122 (do_spec_1, case '['): Call error.
8124 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
8126 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
8127 (CPP_SUBTARGET_SPEC): Default to empty string.
8128 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
8129 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
8130 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
8131 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
8133 * alpha/linux.h (CPP_PREDEFINES): Tidy.
8134 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
8135 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
8136 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
8137 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
8138 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
8139 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
8140 * alpha/vxworks.h: Likewise.
8142 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
8144 * mips.md (reload_outsi): Added missing REGNO call.
8145 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
8147 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
8148 another match_operator and compare the codes.
8150 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
8152 * MIPS multiply pattern fixes:
8153 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8154 Add union classes for HI, LO, or HILO plus general registers.
8155 (GENERATE_MADD): Deleted.
8156 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
8157 Add TARGET_MAD to condition.
8158 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
8159 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
8160 "*d" for accumulator, to give preference to LO initially but not
8163 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
8165 * configure.in (enable_c_mbchar): New configure option.
8166 (extra_cpp_objs): Always available now.
8168 * cexp.y (mbchar.h): #include it.
8169 (yylex): Handle Multibyte characters in character literals.
8171 * cccp.c (mbchar.h): #include it.
8172 (main): Set character set based on LANG environment variable.
8173 (rescan): Handle multibyte characters in comments.
8174 (skip_if_group): See above.
8175 (validate_else): See above.
8176 (skip_to_end_of_comment): See above.
8177 (macarg1): See above.
8178 (discard_comments): See above.
8179 (rescan): Handle multibyte characters in string and character literals.
8180 (collect_expansion): See above.
8181 (skip_quoted_string): See above.
8182 (macroexpand): See above.
8183 (macarg1): See above.
8184 (discard_comments): See above.
8185 (change_newlines): See above.
8187 * c-lex.c (mbchar.h): #include it.
8188 (GET_ENVIRONMENT): New macro.
8189 (init_lex): Set character set based on LANG environment variable.
8190 (yylex): Handle multibyte characters in character literals.
8191 (yylex): Handle multibyte characters in string literals.
8193 * Makefile.in (mbchar.o): New target.
8194 (cccp$(exeext)): @extra_cpp_objs@ is always available.
8195 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
8197 * mbchar.[ch]: New files for multibyte character handling.
8199 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8201 * jump.c (jump_optimize): When simplifying noop moves and
8202 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
8203 the PUSHes to rewrite in second loop as we did in the first.
8205 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8207 * cplus-dem.c (demangle_nested_args): Make function definition
8208 static to match the prototype.
8210 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
8212 * alloca.c: Respect USE_C_ALLOCA.
8213 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
8214 * gengenrtl.c (xmalloc): Likewise.
8216 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
8218 * loop.h (struct induction): Add no_const_addval.
8219 * loop.c (the_movables, reg_address_cost): New variables.
8220 (init_loop): Init reg_address_cost.
8221 (loop_optimize): Call end_alias_analysis.
8222 (scan_loop): Init the_movables.
8223 (record_giv): Init induction->no_const_addval.
8224 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
8225 [REG]: Rearrange loop search test to catch more cases.
8226 (general_induction_var): Return success not benefit; take an extra
8227 argument for that. Change all callers.
8228 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
8229 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
8230 [default]: Search the_movables for additional combinations.
8231 (sge_plus_constant, sge_plus): New functions.
8232 (express_from_1): New function.
8233 (express_from): Always define. Rewrite using express_from_1.
8234 (combine_givs_p): Handle more cases. Ignore address cost.
8235 (cmp_combine_givs_stats): New function.
8236 (combine_givs_used_once, combine_givs_benefit_from): New functions.
8237 (combine_givs): Rewrite to do best-fit combination.
8239 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
8240 (fold): Do a complete (A*C)+(B*C) association check.
8242 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
8244 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
8246 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
8248 * mn10300.c (MODES_TIEABLE_P): Fix typo.
8250 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
8252 * tree.c (valid_machine_attribute): Only create a new type variant if
8253 there is a decl to use it.
8255 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
8257 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
8260 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
8262 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
8265 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
8267 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
8268 Simplify tests for clearing an address register.
8269 (expand_prologue): Corresponding changes.
8271 * mn10300.md (movXX patterns): Make sure the destination is an
8272 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
8273 (logical patterns): Split into expanders + patterns
8274 (zero and sign extension patterns): Similarly.
8275 (shift patterns): Similarly.
8277 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8279 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8280 for the sequence, recording base values.
8282 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8284 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
8286 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
8288 * gcc.c: Remove ANSI-C ism from --help code.
8290 * toplev.c: Support --help with USE_CPPLIB.
8292 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
8294 * configure.in: Rework gas feature code to work with symlink based
8297 * extend.texi: Clarify some issues related to local variables
8298 assigned to explicit registers.
8300 * mn10300.md (mulsi): Turn into expander + pattern.
8302 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
8305 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
8307 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
8309 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
8311 * version.c: Bump again to distinguish mainline tree from the
8314 See ChangeLog.0 for earlier changes.
8317 add-log-time-format: current-time-string
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