1 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
3 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
4 (ALL_CFLAGS): Delete SCHED_CFLAGS.
6 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
10 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
12 * toplev.c (main): Disable optimize_size if a specific
13 optimization level is requested. Always set optimization
14 level to 2 if -Os is specified.
16 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
18 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
20 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
21 initialize it using fname.
23 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
25 * cpplib.c (do_include): Treat #include_next in the
26 primary source file as #include plus warning. Treat
27 #include_next in a file included by absolute path as an
28 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
30 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
32 * cccp.c: Don't define MIN/MAX anymore.
34 * machmode.h: Likewise.
35 * system.h: Provide definitions for MIN/MAX.
37 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
39 * fix-header.c: Don't define xstrdup here.
41 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
43 * loop.c (consec_sets_giv): New argument last_consec_insn.
44 (strength_reduce): Provide / use it.
46 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
48 * loop.h (loop_info): New field 'vtop'.
49 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
50 scanning loop for vtop.
51 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
52 (loop_iterations): Use them to determine if loop has a constant
53 number of iterations. Set loop_info->vtop. Don't subtract
54 common reg term from initial_value and final_value if have a
57 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
59 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
61 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
63 * mn10200.md (abssf2, negsf2): New expanders.
65 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
67 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
69 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
70 replaced by a CONCAT whoes components do not have the same
71 mode as the original SUBREG, use a new SUBREG to restore the
74 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
75 multiword complex values.
77 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
79 * cppalloc.c: Add xstrdup here.
80 * cpplib.h: Remove savestring prototype.
81 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
83 * cppfiles.c: s/savestring/xstrdup/ throughout.
85 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
87 * cpplib.c: Make all directive handlers read their own
89 (struct directive): Remove last two arguments from FUNC
90 member prototype. Remove `command_reads_line' member
92 (directive_table): Remove initializations of
93 command_reads_line flag. Pretty-print.
94 (eval_if_expression, do_define, do_line, do_include,
95 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
96 do_else, do_elif, do_sccs, do_assert, do_unassert,
97 do_warning): Take only two args.
99 (cpp_define): Call do_define with two args and the text to
100 define stuffed into a buffer.
101 (make_assertion): Call do_assert with two args.
102 (handle_directive): Call do_line with two args. Call
103 kt->func with two args. Remove command_reads_line
105 (do_define, do_undef, do_error, do_warning, do_pragma,
106 do_sccs): Read the rest of the line here.
107 (do_ident): Gobble rest of line, as cccp does.
108 (cpp_undef): New function.
109 (cpp_start_read): Call cpp_undef instead of do_undef.
111 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
113 * cpphash.h (union hash_value): Remove `keydef' member, add a
114 `struct hashnode *aschain' member for #assert.
116 * cpplib.c (struct tokenlist_list, struct
117 assertion_hashnode): Delete structure definitions.
118 (assertion_install, assertion_lookup, delete_assertion,
119 check_assertion, compare_token_lists, reverse_token_list,
120 read_token_list, free_token_list): Delete functions.
121 (parse_assertion): New function.
122 (cpp_cleanup): Don't destroy the assertion_hashtable.
124 (do_assert): Gut and rewrite. #assert foo (bar) places
125 entries for `#foo' and `#foo(bar)' in the macro hash table,
126 type T_ASSERT. The value union's `aschain' member is used
127 to chain all answers for a given predicate together.
128 (do_unassert): Also rewritten. Take an un-asserted
129 answer off the chain from its predicate and call
130 delete_macro on the hashnode, or walk a predicate chain
131 calling delete_macro on all the entries.
132 (cpp_read_check_assertion): Simply call parse_assertion to
133 get the canonical assertion name, and look that up in the
136 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
139 * cpphash.c (install): Use bcopy instead of an explicit loop
140 to copy the macro name.
142 * cppexp.c (cpp_lex): Convert the result of
143 cpp_read_check_assertion to a `struct operation' directly;
144 don't go through parse_number.
146 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
148 * loop.h (struct induction): Delete times_used member.
149 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
150 (n_times_used): Rename to n_times_set. Changed all users.
151 (scan_loop): Free reg_single_usage before strength reduction.
152 (record_giv, combine_givs): Remove handling of times_used member.
153 (combine_givs_used_once): Rename to:
154 (combine_givs_used_by_other) . Changed all callers.
156 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
158 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
159 instead of TREE_CODE_CLASS == 't'.
160 (gen_type_die): Likewise.
161 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
163 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
165 * real.c (endian): Disable last change unless
166 HOST_BITS_PER_WIDE_INT is greater than 32.
168 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
170 * output.h (force_data_section): New prototype.
171 * varasm.c (force_data_section): New function to force the
172 data section, regardless of what in_section thinks.
173 * dwarf2out.c (output_call_frame_info): Call force_data_section
174 since varasm may not realize we've changes sections.
176 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
178 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
179 after completeing reload.
181 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
182 deleted after reload.
184 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
186 * rtl.h (multiple_sets): Fix prototype.
187 * rtlanal.c (multiple_sets): Fix return type.
189 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
191 * version.c: Bump for snapshot.
193 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
195 * version.c: Bump for snapshot.
197 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
199 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
201 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
203 * rtl.h (recompute_reg_usage): Add second argument.
204 * flow.c (recompute_reg_usage): Likewise.
205 * toplev.c (rest_of_compilation): Supply second argument to
208 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
211 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
213 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
214 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
215 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
218 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
220 * rtlanal.c (multiple_sets): New function.
221 * rtl.h (multiple_sets): Declare it.
222 * local-alloc.c (wipe_dead_reg): Use it.
223 * global.c (global_conflicts): Likewise.
225 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
227 * global.c (record_conflicts): Don't use an array of shorts to
228 store an array of ints.
229 (global_conflicts): Likewise.
231 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
233 * alpha.c (alpha_expand_block_move): mode_for_size expects
234 bits, not bytes. Infer extra alignment from addressof.
236 1998-12-11 Michael Meissner <meissner@cygnus.com>
238 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
239 .sbss section, not .sdata.
241 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
243 * cccp.c: Do not #include <sys/stat.h> here; this is already done
245 * collect2.c: Likewise.
246 * cpplib.h: Likewise.
249 * getpwd.c: Likewise.
250 * protoize.c: Likewise.
251 * toplev.c: Likewise.
253 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
254 and don't try to define it here.
255 * Makefile.in (cppmain.o): Depend on machmode.h.
256 (cpplib.o): Likewise.
257 (cpperror.o): Likewise.
258 (cppexp.o): Likewise.
259 (cppfiles.o): Likewise.
260 (cpphash.o): Likewise.
261 (cppalloc.o): Likewise.
262 (fix-header.o): Likewise.
263 (scan-decls.o): Likewise.
265 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
267 * sh.c (print_operand): lookup interrupt_handler attribute instead
268 of relying on static variable.
269 * (calc_live_regs): Likewise.
270 * (sh_pragma_insert_attributes): Create interrupt_handler
271 attribute if a pragma was specified
272 * (sh_valid_machine_decl_attribute): Don't set static flag.
273 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
275 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
277 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
278 to determine if a register is live at a jump destination.
279 Everything is dead at a BARRIER.
281 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
283 * cse.c (simplify_unary_operation): Sign-extend constants when
284 they have the most significant bit set for the target.
285 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
287 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
288 HOST_WIDE_INT temporary before negating it.
289 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
291 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
293 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
296 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
298 * collect2.h: New header file for prototypes.
300 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
302 * collect2.c: Include collect2.h.
305 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
307 * flow.c: Update some comments.
309 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
311 * objc/objc-act.c (cpp_initialized): Removed.
312 (lang_init_options): Initialize cpplib.
313 (lang_decode_option): Move initialization of cpplib to
315 * c-lang.c: (parse_options,parse_in): Added.
316 (lang_init_options): Initialized cpplib here.
317 * c-decl.c (parse_options,cpp_initialized): Removed.
318 (c_decode_option): Move initialization of cpplib to
321 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
323 * reload1.c (reload_combine, reload_combine_note_store):
324 Make STORE_RUID always valid.
325 (reload_combine): Check if BASE is clobbered too early.
327 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
329 * reload.c (find_reloads): Display the insn that cannot be
332 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
334 * cccp.c (create_definition): Fix end of bufer logic.
336 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
338 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
339 pointer parameters changed to use the PARAMS() macro.
341 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
343 * except.h (struct handler_info): Add handler_number field.
344 * except.c (gen_exception_label): EH labels no longer need to be
345 on the permanent obstack.
346 (get_new_handler): Set the label number field.
347 (output_exception_table_entry): Regenerate handler label reference
348 from the label number field.
349 (init_eh): Remove a blank line.
350 * integrate.c (get_label_from_map): Labels no longer need to be
351 on the permanent obstack.
353 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
355 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
356 only when OUTER_CODE is SET.
358 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
360 * loop.c (strength_reduce): If scan_start points to the loop exit
361 test, be wary of subversive use of gotos inside expression statements.
362 Don't set maybe_multiple for a backward jump that does not
363 include the label under consideration into its range.
364 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
366 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
368 * explow.c (plus_constant_wide): Don't immediately return with
369 result of recursive call.
371 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
373 * eh-common.h (struct eh_context): Add table_index for rethrows.
375 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
376 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
377 processed when inlined or unrolled (ie duplicated in some way).
379 * rtl.c (reg_note_name): Add strings for new reg_note enums.
381 * expr.h (rethrow_libfunc): New library decl.
383 * optabs.c (rethrow_libfunc): Initialize.
385 * except.h (struct eh_entry): Add new field 'rethrow_label'.
386 (new_eh_region_entry): No longer exported from except.c.
387 (duplicate_handlers): Renamed to duplicate_eh_handlers and
389 (rethrow_symbol_map, rethrow_used): New exported functions.
390 (eh_region_from_symbol): New exported function.
392 * except.c (create_rethrow_ref): New function to create a single
393 SYMBOL_REF for a rethrow region.
394 (push_eh_entry): Initialize a rethrow ref.
395 (func_eh_entry): Add a rethrow_label field.
396 (new_eh_region_entry): Make static, and initialize the rethrow entry.
397 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
398 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
399 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
400 a region into an appropriate new symbol.
401 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
402 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
403 (end_catch_handler): Emit a barrier for new-exceptions since
404 control can never drop through the end of a catch block.
405 (expand_end_all_catch): new-exceptions never fall through a catch
407 (expand_rethrow): use __rethrow routine for new exceptions.
408 (output_exception_table_entry): Generate rethrow labels, if needed.
409 (output_exception_table): Generate start and end rethrow labels.
410 (init_eh): Create rethrow symbols for beginning and end of table.
411 (scan_region): Don't eliminate EH regions which are the targets of
414 * flow.c (make_edges): Add different edges for rethrow calls,
415 identified by having the REG_EH_RETHROW reg label.
416 (delete_unreachable_blocks): Don't delete regions markers which are
417 the target of a rethrow.
419 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
420 allow save_for_inline_copying to call duplicate_eh_handlers.
421 (save_for_inline_copying): Call duplicate_eh_handlers instead of
422 exposing internal details of exception regions.
423 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
424 (expand_inline_function_eh_labelmap): New callback routine to
425 allow expand_inline_function to call duplicate_eh_handlers.
426 (expand_inline_function): Call duplicate_eh_handlers instead of
427 exposing internal details of exception regions.
428 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
431 * libgcc2.c (find_exception_handler): Generalize to enable it to
432 pick up processing where it left off last time for a rethrow.
433 (__unwinding_cleanup): New function. debug hook which is called before
434 unwinding when __throw finds there is nothing but cleanups left.
435 (throw_helper): Common parts of __throw extracted out for reuse.
436 (__throw): Common parts moved to throw_helper.
437 (__rethrow): New function for performing rethrows.
439 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
441 * reload1.c (current_function_decl): Tweak declaration.
443 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
445 * c-decl.c (flag_isoc9x): Default off.
446 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
447 * cccp.c (print_help, main): Likewise.
448 * gcc.c (default_compilers): Update for -std=gnu*.
450 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
452 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
453 * demangle.h: Deleted.
455 * reload1.c (current_function_decl): Declare.
457 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
459 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
461 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
463 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
465 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
467 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
469 * configure: Rebuilt.
470 * system.h: If the *_unlocked functions are available use them
471 instead of the locked counterparts by defining macros.
472 * config.in: Regenerated.
474 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
476 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
477 wrong and should only be used for dump related things, not
478 debugging information, instead main_input_filename should be used.
479 Also, reuse output_file_directive if possible.
480 * i386/aix386ng.h (ASM_FILE_START): Likewise.
481 * i386/isc.h (ASM_FILE_START): Likewise.
482 * i386/win-nt.h (ASM_FILE_START): Likewise.
483 * i386/sun386.h (ASM_FILE_START): Likewise.
485 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
487 * configure.in (mips*-*-linux*): Handle big and little endian
489 * configure: Rebuilt.
491 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
493 * emit-rtl.c: Fix typo.
495 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
497 * reload1.c (eliminate_regs): Don't do anything, if we're not
500 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
502 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
504 * mips/mips.c (mips_select_section): Add comment.
506 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
508 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
509 characters in file names in #line to be consistent with #include
510 handling. We support escape prcessing in the # 1 "..." version of
511 the command. See also support in cp/lex.c.
512 (handle_directive): Likewise.
515 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
517 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
518 so it'll work on non-ASCII platforms. Always consider $ an
519 identifier character. Take no arguments.
520 (cpp_reader_init): Call initialize_char_syntax with no
522 (cpp_start_read): Don't call initialize_char_syntax again.
523 Clear is_idchar['$'] and is_idstart['$'] if not
524 opts->dollars_in_ident.
526 * cpplib.h (struct cpp_reader): Replace void *data element by
527 cpp_options *opts. Rearrange elements to make gdb printout
528 less annoying (put buffer stack at end).
529 (CPP_OPTIONS): Get rid of now-unnecessary cast.
531 * cppmain.c: s/data/opts/ when initializing cpp_reader
533 * c-decl.c: Likewise.
534 * objc/objc-act.c: Likewise.
535 * fix-header.c: Likewise.
537 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
539 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
540 with a struct file_name_list pointer.
541 (struct cpp_reader): Add pointer to chain of `actual
542 directory' include searchpath entries.
543 (struct file_name_list): Add *alloc pointer for the sake of
544 the actual-directory chain.
546 Move definition of HOST_WIDE_INT here.
547 (cpp_parse_escape): Change prototype to match changes in
550 * cppfiles.c (actual_directory): New function.
551 (finclude): Use it to initialize the buffer's actual_dir
553 (find_include_file): We don't need to fix up max_include_len
556 * cpplib.c (do_include): Don't allocate a file_name_list on
557 the fly for current directory "" includes, use the one that's
558 been preallocated in pfile->buffer->actual_dir. Hoist out
559 duplicate code from the search_start selection logic.
560 (cpp_reader_init): Initialize pfile->actual_dirs.
562 Remove definition of HOST_WIDE_INT. Change calls
563 to cpp_parse_escape to match changes in cppexp.c (note
564 hardcoded MASK, which is safe since this is the source
567 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
568 to handle wide character constants in #if directives. The
569 function now returns a HOST_WIDE_INT, and takes a third
570 argument which is a binary mask for all legal values (0x00ff
571 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
572 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
573 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
575 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
577 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
579 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
581 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
582 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
583 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
585 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
587 * final.c (output_asm_name): Use tabs to seperate comments from
590 Include instruction lengths (if defined) in output.
592 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
594 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
595 in the loop_info structure.
597 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
599 * configure.in: (arm*-*-ecos-elf): New target.
600 * configure: Regenerated.
601 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
602 * config/arm/ecos-elf.h: New file.
603 * config/arm/unknown-elf.h (TARGET_VERSION): Check
606 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
608 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
610 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
612 * version.c: Bump for snapshot.
614 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
616 * loop.c (check_dbra_loop): New argument loop_info. Update fields
619 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
621 * version.c: Bump for snapshot.
623 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
625 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
626 compressed reports are ok and preferred over URLs
628 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
630 * invoke.texi (Warning Options): Soften the tone of -pedantic
632 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
634 * print-rtl.c (print_rtx): Add prototype.
636 * unroll.c (iteration_info): Make it static.
638 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
640 * alias.c (memrefs_conflict_p): A second ANDed address
641 disables the aligned address optimization.
643 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
645 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
648 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
650 * i960.h (BOOL_TYPE_SIZE): Define.
652 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
654 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
655 from old valid_parallel_operands_4.
656 (valid_parallel_operands_4): Check that operands for 4 operand
657 parallel insns are valid, excluding load/store insns.
658 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
659 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
660 valid_parallel_load_store instead of valid_parallel_operands_4.
661 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
662 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
663 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
664 *notqi_movqi_clobber): Use valid_parallel_operands_4.
665 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
666 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
667 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
669 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
671 * config/c4x/c4x.c (iteration_info): Delete extern.
673 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
675 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
677 * final.c (cleanup_subreg_operands): Delete some unused code.
679 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
680 (struct insn_alternative): New structure definition.
681 (recog_op_alt): Declare variable.
682 (preprocess_constraints): Declare function.
683 * recog.c (recog_op_alt): New variable.
684 (extract_insn): Verify number of alternatives is in range.
685 (preprocess_constraints): New function.
686 * reg-stack.c: Include recog.h.
687 (constrain_asm_operands): Delete.
688 (get_asm_operand_lengths): Delete.
689 (get_asm_operand_n_inputs): New function.
690 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
691 N_OUTPUTS args. All callers changed.
692 Compute number of inputs and outputs here by calling
693 get_asm_operand_n_inputs.
694 Instead of constrain_asm_operands, call extract_insn,
695 constrain_operands and preprocess_constaints. Use information
696 computed by these functions throughout.
697 (record_reg_life): Delete code that is unused due to changes in
699 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
700 N_INPUTS and N_OUTPUTS args. All callers changed.
701 Similar changes as in record_asm_reg_life.
702 (subst_stack_regs): Move n_operands declaration into the if statement
704 Delete code that is unused due to changes in subst_asm_stack_regs.
705 * stmt.c (expand_asm_operands): Verify number of alternatives is in
707 * Makefile.in (reg-stack.o): Depend on recog.h.
709 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
711 * except.c (set_exception_version_code): Argument is an "int".
713 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
715 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
716 * configure: Rebuilt.
718 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
720 * configure.in (mipsel-*-linux*): New target.
721 * mips/linux.h: New file, based on other Linux targets.
723 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
725 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
726 runs in the context of the deleter, not the deletee, so we must
727 use taskVarGet to find the correct memory to free.
728 (__gthread_key_create): Initialize the task
729 variable subsystem so that the task variable is still active when
730 the delete hook is run.
732 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
734 * pdp11.h: Use optimize_size for space optimizations.
736 * pdp11.md: Likewise.
738 * pdp11.h (TARGET_40_PLUS): Fix typo.
740 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
742 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
745 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
747 * alias.c (addr_side_effect_eval): New function.
748 (memrefs_conflict_p): Use it.
749 * rtl.h (addr_side_effect_eval): Prototype it.
751 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
753 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
755 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
757 * reload.c (find_reloads): When force const to memory, put result
758 in substed_operand not *recog_operand_loc.
760 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
762 * c-lex.c: Fix indentation from last patch.
763 Remove trailing whitespace.
766 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
768 * flow.c (delete_block): Call set_last_insn after we have reset
769 NEXT_INSN (kept_tail).
771 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
773 * mips.md (trap_if): Use "$0" for the value zero.
775 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
776 Stephen L Moshier <moshier@world.std.com>
777 Richard Henderson <rth@cygnus.com>
779 * c-common.c (declare_function_name): Declare predefinied variable
782 * c-decl.c (flag_isoc9x): Set to 1 by default.
783 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
784 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
786 * c-parse.in: Allow constructors in ISO C 9x.
787 Rewrite designator list handling.
788 Allow [*] parameters.
789 Don't warn about comma at end of enum definition for ISO C 9x.
791 * cccp.c (c9x): New variable.
792 (rest_extension): New variable.
793 (print_help): Document new -std= option.
794 (main): Recognize -std= option. Set c9x appropriately.
795 (create_definition): Recognize ISO C 9x vararg macros.
797 * gcc.c (default_compilers): Adjust specs for -std options.
798 (option_map): Add --std.
799 (display_help): Document -std.
801 * toplev.c (documented_lang_options): Add -std and remove
804 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
805 or REAL_VALUE_HTOF based on base of the constants.
806 * fold-const.c (real_hex_to_f): New function. Replacement function
807 for hex FP conversion if REAL_ARITHMETIC is not defined.
808 * real.c (asctoeg): Add handling of hex FP constants.
809 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
812 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
814 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
815 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
816 expansion. Use hi/lo as destination register.
818 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
819 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
820 Avoid as macro expansion. Use hi/lo as destination register.
822 * mips.h (MASK_CHECK_RANGE_DIV): New.
823 (MASK_NO_CHECK_ZERO_DIV): New.
824 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
825 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
826 return address for leaf functions out of r31 to support
827 builtin_return_address.
829 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
831 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
832 NEXT_INSN(x) to check insn x.
834 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
836 * flow.c (delete_block): Call set_last_insn if we end up deleting the
837 last insn in the rtl chain.
839 * reload1.c (reload): Do not set reload_completed or split insns
841 * toplev.c (rest_of_compilation): Set reload_completed after
842 reload returns. Split insns after reload_cse has run.
844 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
846 * final.c (final_scan_insn): Abort if block_depth falls below 0.
848 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
850 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
852 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
854 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
855 use of user-label_prefix.
857 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
859 * reload1.c (emit_reload_insns): Clear spill_reg_store
860 when doing a new non-inherited reload from the same pseudo.
862 * local-alloc.c (function_invariant_p): New function.
863 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
864 to decide if an equivalence should be recorded.
865 * reload1.c (num_eliminable_invariants): New static variable.
866 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
867 to decide if an equivalence should be recorded.
869 (calculate_needs_all_insns): Skip insns that only set an equivalence.
870 Take num_eliminable_invariants into account when deciding
871 if register elimination should be done.
872 (reload_as_needed): Take num_eliminable_invariants into account
873 when deciding if register elimination should be done.
874 (eliminate_regs): Handle non-constant reg_equiv_constant.
875 * rtl.h (function_invariant_p): Declare.
877 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
879 * version.c: Bump for snapshot.
881 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
883 * version.c: Bump for snapshot.
885 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
887 * except.c (add_new_handler): Complain about additional handlers
888 after one that catches everything.
890 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
892 * configure.in (alpha*-*-netbsd): Fix typo.
893 * configure: Rebuilt.
895 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
897 * system.h: Include libiberty.h.
899 * c-aux-info.c: Remove prototypes for concat/concat3. Change
900 function `concat' from fixed parameters to variable parameters,
901 as is done in libiberty. All callers of concat/concat3
902 changed to use the new `concat' with variable args.
904 * cccp.c: Remove things made redundant by libiberty.h and/or
905 conform to libiberty standards.
907 * collect2.c: Likewise.
908 * config/1750a/1750a.h: Likewise.
909 * cppalloc.c: Likewise.
910 * cppexp.c: Likewise.
911 * cppfiles.c: Likewise.
912 * cpphash.c: Likewise.
913 * cpplib.c: Likewise.
914 * dyn-string.c: Likewise.
915 * fix-header.c: Likewise.
918 * genattr.c: Likewise.
919 * genattrtab.c: Likewise.
920 * gencheck.c: Likewise.
921 * gencodes.c: Likewise.
922 * genconfig.c: Likewise.
923 * genemit.c: Likewise.
924 * genextract.c: Likewise.
925 * genflags.c: Likewise.
926 * gengenrtl.c: Likewise.
927 * genopinit.c: Likewise.
928 * genoutput.c: Likewise.
929 * genpeep.c: Likewise.
930 * genrecog.c: Likewise.
931 * getpwd.c: Likewise.
932 * halfpic.c: Likewise.
934 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
935 in NEED_DECLARATION_* macros.
937 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
938 conform to libiberty standards.
939 (fatal): Fix const-ification of variable `format' in
940 !ANSI_PROTOTYPES case.
942 * prefix.c: Remove things made redundant by libiberty.h and/or
943 conform to libiberty standards.
945 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
946 conflicting with function `spaces' from libiberty.
948 * profile.c: Remove things made redundant by libiberty.h and/or
949 conform to libiberty standards.
950 * protoize.c: Likewise.
954 * toplev.c: Likewise.
955 * toplev.h: Likewise.
958 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
960 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
962 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
964 * README.C4X: Updated URLs.
965 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
966 (valid_parallel_operands_5): Remove unused variable.
968 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
970 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
972 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
974 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
975 which can be configured.
976 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
977 (Makefile): Pass actual LANGUAGES through the environment when
979 (cstamp-h): Likewise.
980 (config.status): Likewise.
982 * configure.in (enable_languages): Add new configuration parameter
983 "--enable-languages=lang1,lang2,...".
984 (${srcdir}/*/config-lang.in): Change handling to configure only
985 those directories, that the user might have enabled; default to
986 "all" existing languages.
987 * configure: Regenerate.
989 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
991 * rtlanal.c (regs_set_between_p): New function.
992 * rtl.h (regs_set_between_p): Prototype it.
993 * jump.c (jump_optimize): Use it instead of modified_between_p
996 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
997 Matthias Pfaller <leo@dachau.marco.de>
999 * invoke.texi (Option Summary, NS32K Options): add description
1000 of NS32K specific options.
1002 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
1003 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
1004 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
1005 negdf2, absdf2): Use l instead of f since the double class and
1006 float class are no longer the same.
1007 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
1008 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
1009 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
1010 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
1012 (cmpsi, cmphi, cmpqi): use general_operand instead of
1013 non_immediate_operand. Removes erroneous assumption that can't
1015 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
1016 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
1018 (movstrsi, movstrsi1, movstrsi2): completely new block move
1020 (...): Patterns to exploit multiply-add instructions.
1021 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
1022 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
1023 patterns to exploit extended divide insns.
1024 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
1027 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
1028 float return values as well as simple scalar floats.
1029 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
1030 support new flag to denote 32381 fpu.
1031 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
1032 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
1034 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1035 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
1036 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
1037 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
1038 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
1039 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
1040 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
1041 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
1042 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
1043 fpu registers and special register classes for new 32381
1044 instructions dotf and polyf.
1045 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
1047 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
1048 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
1050 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
1051 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
1052 (REGISTER_MOVE_COST): move code to register_move_cost function for
1053 ease of coding and debugging.
1054 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
1055 LONG_FLOAT_REGO is likely spilled but not caught by default
1057 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
1058 instead of hard coded numbers in range check.
1059 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
1060 (...): Add prototypes for functions in ns32k.c but disable because
1061 of problems when ns32k.h is included in machine independant files.
1063 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
1064 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
1065 hard_regno_mode_ok, secondary_reload_class,
1066 print_operand, print_operand_address): new register scheme to
1067 include 32381 fpu registers and special register classes for new
1068 32381 instructions dotf and polyf.
1069 (gen_indexed_expr): Make static to keep namespace clean.
1070 (check_reg): remove since never called.
1071 (move_tail, expand_block_move): helper functions for "movstrsi"
1073 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
1074 Increase cost of moves which go via memory.
1075 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
1076 (CPP_PREDEFINES): nolonger predefine "unix".
1078 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
1079 Remove erroneous %$. print_operand() can work out from the rtx is
1080 an immediate prefix is required.
1082 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
1083 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
1084 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
1086 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
1089 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
1090 Correct handling of pic operands.
1091 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
1092 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
1093 -mrtd calling convention.
1095 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
1097 * gcc.c (option_map): Recognize --output-class-directory.
1099 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1101 * loop.h (precondition_loop_p): Added new mode argument.
1102 * unroll.c (precondition_loop_p): Likewise.
1103 (approx_final_value): Function deleted and subsumed
1104 into loop_iterations.
1105 (loop_find_equiv_value): New function.
1106 (loop_iterations): Use loop_find_equiv_value to find increments
1107 too large to be immediate constants. Also use it to find terms
1108 common to initial and final iteration values that can be removed.
1110 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1112 * loop.h (struct loop_info): Define new structure.
1113 (precondition_loop_p): Added prototype.
1114 (unroll_loop): Added new argument loop_info to prototype.
1115 (final_biv_value, final_giv_value): Added new argument n_iterations
1117 * loop.c (strength_reduce): Declare new structure loop_iteration_info
1118 and new pointer loop_info.
1119 (loop_n_iterations): Replace global variable by element in
1120 loop_info structure.
1121 (check_final_value): New argument n_iterations.
1122 (insert_bct): New argument loop_info.
1123 (loop_unroll_factor): Replace global array by element in
1124 loop_info structure.
1125 (loop_optimize): Remove code to allocate and initialise
1126 loop_unroll_factor_array.
1127 * unroll.c (precondition_loop_p): No longer static since
1128 used by branch on count optimization.
1129 (precondition_loop_p, unroll_loop): New argument loop_info.
1130 (final_biv_value, final_giv_value, find_splittable_regs): New
1131 argument n_iterations.
1132 (loop_iteration_var, loop_initial_value, loop_increment,
1133 loop_final_value, loop_comparison_code, loop_unroll_factor):
1134 Replaced global variables by loop_info structure.
1135 (loop_unroll_factor): Replace global array by element in
1136 loop_info structure.
1138 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1140 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
1143 * unroll.c (precondition_loop_p): Return loop_initial_value
1144 for initial_value instead of loop_iteration_var.
1146 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1148 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
1149 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
1150 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
1151 to output the instruction sequences.
1153 (rptb_top): Provide alternatives to use any register or memory
1155 (rptb_end): Emit use of operands rather than assigning them
1156 explicitly to the RS and RE registers.
1158 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1160 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
1161 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
1162 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
1163 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
1164 c4x_merge_notes, c4x_parallel_process,
1165 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
1166 c4x_combine_parallel): Delete.
1168 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1170 * config/c4x/c4x.c: (c4x_override_options): For compatibility
1171 with old target options clear flag_branch_on_count_reg if
1172 -mno-rptb specified and set flag_argument_alias is -mno-aliases
1174 (c4x_output_cbranch): Handle a sequence of insns rather than a
1176 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
1177 has not been allocated as the loop counter.
1178 (c4x_address_conflict): Do not allow two volatile memory references.
1179 (valid_parallel_operands_4, valid_parallel_operands_5,
1180 valid_parallel_operands_6): Reject pattern if the register destination
1181 of the first set is used as part of an address in the second set.
1183 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1185 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
1186 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
1187 is no longer enabled if PARALLEL_MPY_FLAG set.
1188 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
1189 (REG_CLASS_CONTENTS): Add braces around initializers.
1190 (HAVE_MULTIPLE_PACK): Define.
1191 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
1192 REAL_VALUE_TO_DECIMAL.
1193 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
1194 REAL_VALUE_TO_DECIMAL.
1195 (ar0_reg_operand): Add prototype.
1196 (ar0_mem_operand): Likewise.
1197 (ar1_reg_operand): Likewise.
1198 (ar1_mem_operand): Likewise.
1199 (ar2_reg_operand): Likewise.
1200 (ar2_mem_operand): Likewise.
1201 (ar3_reg_operand): Likewise.
1202 (ar3_mem_operand): Likewise.
1203 (ar4_reg_operand): Likewise.
1204 (ar4_mem_operand): Likewise.
1205 (ar5_reg_operand): Likewise.
1206 (ar5_mem_operand): Likewise.
1207 (ar6_reg_operand): Likewise.
1208 (ar6_mem_operand): Likewise.
1209 (ar7_reg_operand): Likewise.
1210 (ar7_mem_operand): Likewise.
1211 (ir0_reg_operand): Likewise.
1212 (ir0_mem_operand): Likewise.
1213 (ir1_reg_operand): Likewise.
1214 (ir1_mem_operand): Likewise.
1215 (group1_reg_operand): Likewise.
1216 (group1_mem_operand): Likewise.
1217 (ir1_reg_operand): Likewise.
1218 (arx_reg_operand): Likewise.
1219 (not_rc_reg): Likewise.
1220 (not_modify_reg): Likewise.
1221 (c4x_group1_reg_operand): Remove prototype.
1222 (c4x_group1_mem_operand): Likewise.
1223 (c4x_arx_reg_operand): Likewise.
1225 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
1227 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
1228 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
1230 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1232 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
1235 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1237 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
1238 unless FMOVD_WORKS is defined.
1240 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1242 * regclass.c (init_reg_sets): Move code that calculates tables
1243 dependent on reg_class_contents from here...
1244 (init_reg_sets_1): To here.
1246 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1248 * cpplib.h: Delete struct import_file. Add ihash element to
1249 struct cpp_buffer. Delete dont_repeat_files and
1250 import_hash_table elements from cpp_reader; change
1251 all_include_files to a hash table. Delete all foobar_include
1252 / last_foobar_include elements from struct cpp_options; put
1253 back four such: quote_include, bracket_include,
1254 system_include, after_include. Redo struct file_name_list
1255 completely. Add new structure type include_hash. Add
1256 prototypes for merge_include_chains and include_hash. Change
1257 prototypes for finclude, find_include_file, and
1258 append_include_chain to match changes below.
1260 * cppfiles.c (simplify_pathname, include_hash,
1261 remap_filename, merge_include_chains): New functions.
1262 (add_import, lookup_import, open_include_file): Removed.
1263 (INO_T_EQ): Define this (copied from cccp.c).
1264 (hack_vms_include_specification): Remove all calls and #if 0
1265 out the definition. It was being called incorrectly and at
1266 the wrong times. Until a VMSie can look at this, it's better
1267 to not pretend to support it.
1268 (append_include_chain): Change calling convention; now takes
1269 only one directory at a time, and sets up the data structure
1271 (redundant_include_p): Rewritten - this is now used for all
1272 include redundancy, whether by #ifndef, #import, or #pragma
1273 once. Looks up things in the include hash table.
1274 (file_cleanup): Decrement pfile->system_include_depth here if
1276 (find_include_file): Calling convention changed; now passes
1277 around a struct include_hash instead of 3 separate parameters.
1278 Guts ripped out and replaced with new include_hash mechanism.
1279 (finclude): Calling convention changed as for
1280 find_include_file. Error exits pulled out-of-line. Reformat.
1281 (safe_read): Return a long, not an int.
1282 (deps_output): Don't recurse.
1284 * cpplib.c (is_system_include): Deleted.
1285 (path_include): Fix up call to append_include_chain.
1286 (do_include): Fix up calls to find_include_file and finclude.
1287 Clean up dependency output a bit. Shorten obnoxiously lengthy
1288 #import warning message. Don't decrement
1289 pfile->system_include_depth here.
1290 (do_pragma): Understand the include_hash structure. Reformat.
1291 (do_endif): Correct handling of control macros. Understand
1293 (cpp_start_read): Fix up calls to finclude. Call
1294 merge_include_chains.
1295 (cpp_handle_option): Fix up calls to append_include_chain.
1296 Understand the four partial include chains.
1297 (cpp_finish): Add debugging code (#if 0-ed out) for the
1299 (cpp_cleanup): Free the include_hash, not the import hash and
1300 the all_include and dont_repeat lists which no longer exist.
1302 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
1304 * toplev.c (no_new_pseudos): Define.
1305 (rest_of_compilation): Set no_new_pseudos as needed.
1306 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
1307 if no_new_pseudos is set.
1308 * rtl.h (no_new_pseudos): Declare it.
1309 * reload1.c (reload): Update comments.
1310 * md.texi: Corresponding changes.
1312 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1314 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
1315 (choose_reload_regs): Rename it here as well. When computing it,
1316 also merge in used hardregs.
1318 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1320 * gcc.c: Split out Objective-C specs to...
1321 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
1324 * c-lex.c (init_parse): Always initialize the filename global.
1325 * objc/objc-act.c (lang_init): Always call check_newline at
1328 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
1330 * reload1.c (reload): Remove unused variable.
1331 (reload_reg_free_for_value_p): Add missing parameter definition.
1333 * jump.c (jump_optimize): Remove unused variable.
1335 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
1337 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
1339 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
1341 * expr.c (move_by_pieces): Similarly.
1342 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
1343 * flow.c (find_auto_inc): Similarly.
1344 (try_pre_increment): Similarly.
1345 * loop.c (strength_reduce): Similarly.
1346 * regclass.c (auto_inc_dec_reg_p): Similarly.
1347 * regmove.c (try_auto_increment): Similarly.
1348 (fixup_match_1): Similarly.
1349 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
1350 (HAVE_PRE_DECREMENT): Similarly.
1351 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
1352 * Corresponding changes to all target header files.
1353 * tm.texi: Update docs for autoinc addressing modes.
1355 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
1357 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
1358 * configure: Rebuild.
1359 * config/elfos.h: New file.
1360 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
1361 config/m68k/t-m68kelf: New file.
1363 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
1365 * Makefile.in (HOST_AR): Define.
1366 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
1367 (libcpp.a): Use the host tools explicitly.
1368 (STAGESTUFF): Add libcpp.a.
1370 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
1372 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
1373 to source and destination registers.
1375 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
1377 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
1378 The strategy we now use is to pre allocate the top_elt along
1379 with the EH context so that each thread has its own top_elt.
1380 This is necessary as the dynmanic cleanup chain is used on the
1381 top element of the stack and each thread MUST have its own.
1382 (eh_context_static): Likewise.
1383 (new_eh_context): Likewise.
1384 (__sjthrow): Likewise.
1386 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
1388 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
1389 * i386.md (prologue_get_pc): Remove unused variable.
1391 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
1393 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
1395 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
1397 * Makefile.in (OBJS): Add graph.o
1398 (graph.o): New dependency list.
1399 * flags.h: Declare dump_for_graph and define graph_dump_types type.
1400 * print-rtl.c (dump_for_graph): Define new variable.
1401 (print_rtx): Rewrite to allow use in graph dumping functions.
1402 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
1403 finish_graph_dump_file.
1404 Define graph_dump_format.
1405 (compile_file): If graph dumping is enabled also clear these files.
1406 Finish graph dump files.
1407 (rest_of_compilation): Also dump graph information if enabled.
1408 (main): Recognize -dv to enabled VCG based graph dumping.
1409 * graph.c: New file. Graph dumping functions.
1411 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
1413 * configure.in: Look for <sys/stat.h>.
1414 * system.h: Include it before substitute S_ISREG definitions.
1416 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
1418 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
1419 * config/mips/iris6.h: Same.
1420 * config/mips/mips.md: Same.
1421 * config/mips/mips.c: Same; also add "-mabi=o64" option.
1422 * config/mips/mips.h: Same; also define ABI_O64.
1424 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1426 * configure.in: Use AC_PREREQ(2.12.1).
1428 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
1430 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
1431 * cpplib.c, gcc.c: Likewise.
1432 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
1434 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
1436 * local-alloc.c (local_alloc): Use malloc not alloca for
1437 reg_qty, reg_offset, ref_next_in_qty.
1439 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1441 * caller-save.c (insert_one_insn): Initialize the live_before and
1442 live_after register sets.
1446 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
1447 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
1448 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
1449 (fp_reg_names, assembler_dialect): New variables.
1450 (print_operand_address): Handle SUBREGs.
1451 (print_operand): Added 'o' case.
1452 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
1453 Name of FP registers depends on mode.
1454 (expand_block_move): Emit different code for SH4 hardware.
1455 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
1456 (from_compare): Likewise.
1457 (add_constant): New argument last_value. Changed all callers.
1458 (find_barrier): Don't try HImode load for FPUL_REG.
1459 (machine_dependent_reorg): Likewise.
1460 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
1461 (gen_far_branch): Emit a barrier after the new jump.
1462 (barrier_align): Don't trust instruction lengths before
1464 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
1465 Use auto-inc addressing for fp registers if doubles need to
1466 be loaded in two steps.
1467 Set sh_flag_remove_dead_before_cse.
1468 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
1469 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
1470 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
1471 Support for FIRST_XD_REG .. LAST_XD_REG.
1472 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
1473 (sh_expand_epilogue): Likewise.
1474 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
1475 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
1476 (arith_reg_operand): FPUL_REG is OK for SH4.
1477 (fp_arith_reg_operand, fp_extended_operand) New functions.
1478 (tertiary_reload_operand, fpscr_operand): Likewise.
1479 (commutative_float_operator, noncommutative_float_operator): Likewise.
1480 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
1481 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
1482 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
1483 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
1484 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
1485 (CONDITIONAL_REGISTER_USAGE): Likewise.
1486 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
1487 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
1488 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
1489 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
1490 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
1491 to -1 and sh_flag_remove_dead_before_cse to 1.
1492 (ASSEMBLER_DIALECT): Define to assembler_dialect.
1493 (assembler_dialect, fp_reg_names): Declare.
1494 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
1495 Hide names of registers that are not accessible.
1496 (CACHE_LOG): Take TARGET_CACHE32 into account.
1497 (LOOP_ALIGN): Take TARGET_HARWARD into account.
1498 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
1499 (FIRST_PSEUDO_REGISTER: Now 49.
1500 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
1501 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
1502 (HARD_REGNO_MODE_OK): Update.
1503 (enum reg_class): Add DF_REGS and FPSCR_REGS.
1504 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
1505 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
1506 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
1507 (NPARM_REGS): Eight floating point parameter registers on SH4.
1508 (BASE_RETURN_VALUE_REG): SH4 also passes double values
1509 in floating point registers.
1510 (GET_SH_ARG_CLASS) Likewise.
1511 Complex float types are also returned in float registers.
1512 (BASE_ARG_REG): Complex float types are also passes in float registers.
1513 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
1514 (LIBCALL_VALUE): Remove trailing semicolon.
1515 (ROUND_REG): Round when double precision value is passed in floating
1517 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
1518 passed on the stack.
1519 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
1520 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
1521 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
1522 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
1523 (MODE_DISP_OK_8): Not for SH4 DFmode.
1524 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
1525 Allow indexed addressing for PSImode after reload.
1526 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
1527 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
1528 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
1529 (DOUBLE_TYPE_SIZE): 64 for SH4.
1530 (RTX_COSTS): Add PLUS case.
1531 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
1532 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
1533 MAC_REGS, PR_REGS, DF_REGS.
1534 (REGISTER_NAMES): Use fp_reg_names.
1535 (enum processor_type): Add PROCESSOR_SH4.
1536 (sh_flag_remove_dead_before_cse): Declare.
1537 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
1538 (PREDICATE_CODES): Add binary_float_operator,
1539 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
1540 fpscr_operand, noncommutative_float_operator.
1541 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
1542 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
1543 * sh.md (attribute cpu): Add value sh4.
1544 (attrbutes fmovd, issues): Define.
1545 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
1546 (function units memory, int, mpy, fp): Make dependent on issue rate.
1547 (function units issue, single_issue, load_si, load): Define.
1548 (function units load_store, fdiv, gp_fpul): Define.
1549 (attribute hit_stack): Provide proper default.
1550 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
1551 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
1552 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
1553 (mulsi3_call): Now uses match_operand for function address.
1554 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
1556 (push, pop, push_e, pop_e): Now define_expands.
1557 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
1558 (movsi_ie): Added y/i alternative.
1559 (ic_invalidate_line_i, movdf_i4): New insns.
1560 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
1561 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
1562 (movdf): Add special code for SH4.
1563 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
1564 (call_valuei, calli, call_value): Likewise.
1565 (movsf): Emit no-op move.
1566 (mov_nop, movsi_y): New insns.
1567 (blt, sge): generalize to handle DFmode.
1568 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
1569 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
1570 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
1571 (fpu_switch0, fpu_switch1, movpsi): New expanders.
1572 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
1573 (toggle_sz): New insn.
1574 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
1575 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
1576 (macsf3): Make use of fpscr visible. Disable for SH4.
1577 (floatsisf2): Make use of fpscr visible.
1578 (floatsisf2_i4): New insn.
1579 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
1580 (ieee_ccmpeqsf_t): Likewise.
1581 (fix_truncsfsi2): Emit different code for SH4.
1582 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
1583 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
1584 (negsf2, sqrtsf2, abssf2): Now expanders.
1585 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
1586 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
1587 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
1588 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
1589 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
1590 (fix_truncdfsi2_i4_2+1): New splitters.
1591 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
1592 (extendsfdf2, truncdfsf2): New expanders.
1593 (truncdfsf2_i4): New insn.
1594 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
1595 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
1596 * float-sh.h: When testing for __SH3E__, also test for
1597 __SH4_SINGLE_ONLY__ .
1598 * va-sh.h (__va_freg): Define to float.
1599 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
1600 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
1601 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
1602 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
1604 (TARGET_SH4_P): Define.
1607 * sh.md (movdf_k, movsf_i): Tweak the condition so that
1608 init_expr_once is satisfied about the existence of load / store insns.
1610 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
1611 change m constraint in source operand to mr / mf .
1613 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
1615 * (__VA_REEF): Define.
1616 (__va_arg_sh1): Use it.
1618 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
1620 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
1622 * i386/dgux.c (struct option): Add new "description field".
1623 * m88k/m88k.c (struct option): Likewise.
1625 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
1627 * version.c: Bump for snapshot.
1629 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1631 * regmove.c (regmove_profitable_p): Use return value of find_matches
1634 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
1636 * version.c: Bump for snapshot.
1638 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
1640 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
1641 without reload having been called earlier.
1643 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
1645 (v850_reorg): Similarly.
1647 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
1649 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1651 * loop.c (move_movables): Start of libcall might be new loop start.
1653 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1655 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
1657 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1659 * function.c (nonlocal_goto_handler_slots): Renamed from
1660 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
1661 (push_function_context_to): Adjust for this change.
1662 (pop_function_context_from): Likewise.
1663 (init_function_start): Likewise.
1664 (expand_function_end): Likewise.
1665 * function.h (struct function): Likewise.
1666 * calls.c (expand_call): Likewise.
1667 * explow.c (allocate_dynamic_stack_space): Likewise.
1668 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
1669 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
1671 (expand_goto): When doing a nonlocal goto, find corresponding handler
1672 slot for it. Don't put the label address in the static chain register.
1673 (expand_end_bindings): Break out nonlocal goto handling code into
1674 three new functions.
1675 (expand_nl_handler_label, expand_nl_goto_receiver,
1676 expand_nl_goto_receivers): New static functions, broken out of
1677 expand_end_bindings and adapted to create one handler per nonlocal
1679 * function.c (delete_handlers): Delete insn if it references any of
1680 the nonlocal goto handler slots.
1681 * i960.md (nonlocal_goto): Comment out code that modifies
1683 * sparc.md (nonlocal_goto): Likewise.
1684 (goto_handler_and_restore_v9): Comment out.
1685 (goto_handler_and_restore_v9_sp64): Comment out.
1687 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1689 * expr.c (STACK_BYTES): Delete unused macro.
1690 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
1691 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1692 (expand_call): Likewise.
1693 (emit_library_call): Likewise.
1694 (emit_library_call_value): Likewise.
1695 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
1696 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1697 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
1698 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1699 (allocate_dynamic_stack_space): Likewise.
1700 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
1701 (STACK_BOUNDARY): Update description to reflect the new situation.
1703 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
1705 * reorg.c (relax_delay_slots): When optimizing for code size, if a
1706 return with a filled delay slot is followed by a return with an
1707 unfilled delay slot, delete the first return and reemit the insn
1708 that was previously in its delay slot.
1710 * i860.c (single_insn_src_p): Add missing parens.
1711 * ginclude/math-3300.h: Likewise.
1713 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
1715 * regclass.c (init_reg_sets_1): Add prototype.
1716 (init_reg_modes): Likewise.
1718 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
1720 * c-common.c: Change warning messages to say `comparison is
1721 always true' or `comparison is always false' instead of the
1722 confusing `is always 0', `is always 1'.
1724 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
1726 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
1727 break instead of return (which loses closing '>').
1729 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
1731 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
1732 standard 387 constants.
1734 * i386.md (jump): Explicitly set "memory" attribute.
1735 (indirect_jump, prologue_set_stack_ptr): Likewise.
1736 (prologue_get_pc_and_set_got, pop): Likewise.
1737 (allocate_stack_worder, blockage, return_internal): Likewise.
1738 (return_pop_internal, nop): Likewise.
1739 (epilogue_set_stack_ptr, leave): Likewise.
1741 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
1743 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
1745 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1747 * reload1.c (reload_reg_free_for_value_p):
1748 Early auto_inc reloads don't conflict with outputs.
1750 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1752 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
1753 Instead call AC_HEADER_SYS_WAIT.
1755 * collect2.c: Don't provide defaults for sys/wait.h macros.
1757 * protoize.c: Likewise. Also, don't include sys/wait.h.
1759 * system.h: Include sys/wait.h and provide macro defaults.
1761 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1763 * Makefile.in (mandir): Set to @mandir@.
1764 (man1dir): New variable to hold the former value of $(mandir).
1765 Replace all uses of $(mandir) by $(man1dir).
1767 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
1769 * reload.c (find_reloads_address_part): If have a CONST_INT, create
1770 a new one before passing it to force_const_mem.
1772 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
1773 find_reloads_address call.
1775 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1777 * expr.c (store_expr): Don't generate load-store pair
1778 if TEMP is identical (according to ==) with TARGET.
1780 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1782 * reload1.c (reload_reg_free_for_value_p): When considered reload
1783 has an output, matching inputs are not sufficient to avoid conflict.
1785 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
1787 * hash.h (hash_table_key): New type.
1788 (hash_entry): Change `string' field to generic `key'.
1789 (hash_table): Add `comp' and `hash' functions.
1790 (hash_table_init): Take them as input.
1791 (hash_table_init_n): Likewise.
1792 (hash_lookup): Modify for generic keys.
1793 (hash_newfunc): Likewise.
1794 (hash_traverse): Likewise.
1795 (string_hash): New function.
1796 (string_compare): Likewise.
1797 (string_copy): Likewise.
1798 * hash.c (hash_table_init_n): Modify for generic keys.
1799 (hash_table_init): Likewise.
1800 (hash_lookup): Likewise.
1801 (hash_newfunc): Likewise.
1802 (hash_traverse): Likewise.
1803 (string_hash): Split out from hash_lookup.
1804 (string_compare): New function.
1805 (string_copy): Split out from hash_lookup.
1806 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
1808 (symbol_hash_lookup): Likewise.
1809 (file_hash_newfunc): Likewise.
1810 (file_hash_lookup): Likewise.
1811 (demangled_hash_newfunc): Likewise.
1812 (demangled_hash_lookup): Likewise.
1813 (tlink_int): Likewise.
1814 (read_repo_file): Likewise.
1815 (recompile_files): Likewise.
1816 (demangle_new_symbols): Likewise.
1817 (scan_linker_output): Likewise.
1819 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1821 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
1823 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
1825 * rs6000.c (output_mi_thunk): Improve test for local branch.
1827 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1829 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
1831 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1833 * reload1.c (reload_reg_free_before_p): Delete.
1834 Changed all callers to use reload_reg_free_for_value_p instead.
1835 (reload_reg_free_for_value_p): Handle more reload types.
1836 A RELOAD_FOR_INPUT doesn't conflict with its
1837 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
1838 Add special case for OUT == const0_rtx.
1839 Added ignore_address_reloads argument. Changed all callers.
1841 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
1843 * toplev.c (compile_file): Don't pedwarn about undefined static
1844 functions just because we passed -Wunused.
1846 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1848 * function.c (purge_addressof_1): Unshare rtl created by
1851 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1853 * regmove.c (regmove_optimize): Don't do anything but
1854 optimize_reg_copy[123] when flag_regmove is not set.
1856 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
1858 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
1859 value in paradoxical SImode result, rather than truncating midpoint.
1861 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
1863 * alpha.c (reg_not_elim_operand): New.
1864 * alpha.h (PREDICATE_CODES): Add it.
1865 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
1866 for the multiplicand.
1868 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
1870 * rs6000.md (movsf): Remove explicit secondary-reload-like
1871 functionality. Only truncate SFmode store if in FPR.
1872 (movsf splitters): Combine const_double splitters.
1873 (movsf_hardfloat): Add GPR support.
1875 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
1877 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
1878 deprecate -mlive-g0 and -mbroken-saverestore.
1879 * t-splet (MULTILIB_OPTIONS): Likewise.
1881 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
1882 in a leaf function. Clarify total_size/extra_size relationship.
1884 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
1886 * i386/cygwin32.asm: Delete.
1887 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
1888 * i386/cygwin32.h: Delete.
1889 * i386/cygwin.h: New file, renamed from cygwin32.h.
1890 * i386/t-cygwin32: Delete.
1891 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
1892 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
1893 * i386/x-cygwin32: Delete.
1894 * i386/x-cygwin: New file, renamed from x-cygwin32.
1895 * i386/xm-cygwin32: Delete.
1896 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
1897 renamed cygwin_ funcs for path translations.
1898 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
1899 * i386/winnt.c: Remove "32" from comment about cygwin.
1900 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
1901 * rs6000/cygwin32.h: Delete.
1902 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
1903 -D__CYGWIN__ to CPP_PREDEFINES.
1904 * rs6000/x-cygwin32: Delete.
1905 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
1906 * rs6000/xm-cygwin32: Delete.
1907 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
1909 * configure.in: Check for cygwin* instead of cygwin32. Account
1910 for the rename of cygwin-related config files to lose the "32"s.
1911 * configure: Regenerate.
1913 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
1914 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
1916 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
1918 * Makefile.in (JAVAGC): New macro.
1919 * configure: Rebuilt.
1920 * configure.in: Recognize --enable-java-gc argument. Subst
1923 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1925 Handle equivalences that have been obscured by gcse:
1927 * reload1.c (reload): Handle equivalences set up in multiple places.
1928 * local-alloc.c (reg_equiv_init_insns): New variable.
1929 (no_equiv): New function.
1930 (update_equiv_regs): Handle equivalences set up in multiple places.
1931 Don't ignore an insn just because its destination is likely to be
1934 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
1936 * except.c (expand_eh_return): Readd force_operand call lost in
1939 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
1941 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
1943 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1945 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
1947 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1949 * regmove.c (regmove_optimize): Fix error in last change.
1951 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
1953 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
1954 offset in the .mask pseudo to compensate for frame pointer adjustments.
1955 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
1956 word swap arguments moved to/from FP registers.
1957 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
1959 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
1961 * version.c: Bump for snapshot.
1963 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
1965 * version.c: Bump for snapshot.
1967 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
1969 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
1970 times, then it can not be completely replaced.
1972 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
1974 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
1976 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1978 * gansidecl.h: Prepend a "G" to the macro wrapping this file
1979 (to distinguish it from the macro wrapping ansidecl.h.)
1980 Include libiberty's ansidecl.h. Remove all redundant definitions.
1981 Define the PROTO() style macros in terms of the PARAMS() ones.
1984 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
1985 __STDC__, when deciding whether to use ANSI variable args.
1986 (emit_library_call_value): Likewise.
1988 * cccp.c (error): Likewise.
1989 (warning): Likewise.
1990 (error_with_line): Likewise.
1991 (warning_with_line): Likewise.
1992 (pedwarn): Likewise.
1993 (pedwarn_with_line): Likewise.
1994 (pedwarn_with_file_and_line): Likewise.
1997 * cexp.y (error): Likewise.
1998 (pedwarn): Likewise.
1999 (warning): Likewise.
2001 * collect2.c (fatal_perror): Likewise.
2005 * combine.c (gen_rtx_combine): Likewise.
2007 * cpperror.c (cpp_message): Likewise.
2008 (cpp_fatal): Likewise.
2010 * cpplib.c (cpp_error): Likewise.
2011 (cpp_warning): Likewise.
2012 (cpp_pedwarn): Likewise.
2013 (cpp_error_with_line): Likewise.
2014 (cpp_warning_with_line): Likewise.
2015 (cpp_pedwarn_with_line): Likewise.
2016 (cpp_pedwarn_with_file_and_line): Likewise.
2018 * cpplib.h: Don't define PARAMS() macro.
2020 * demangle.h: Likewise.
2022 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
2023 when deciding whether to use ANSI variable args.
2025 * emit-rtl.c (gen_rtx): Likewise.
2026 (gen_rtvec): Likewise.
2028 * final.c (asm_fprintf): Likewise.
2030 * fix-header.c (cpp_message): Likewise.
2032 (cpp_fatal): Likewise.
2034 * gcc.c (concat): Likewise.
2038 * genattr.c (fatal): Likewise.
2040 * genattrtab.c (attr_rtx): Likewise.
2041 (attr_printf): Likewise.
2044 * gencodes.c (fatal): Likewise.
2046 * genconfig.c (fatal): Likewise.
2048 * genemit.c (fatal): Likewise.
2050 * genextract.c (fatal): Likewise.
2052 * genflags.c (fatal): Likewise.
2054 * genopinit.c (fatal): Likewise.
2056 * genoutput.c (fatal): Likewise.
2059 * genpeep.c (fatal): Likewise.
2061 * genrecog.c (fatal): Likewise.
2063 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
2064 deciding whether to declare `tree_node' and `rtx_def'.
2066 * hash.h: Don't define stuff we get from gansidecl.h.
2068 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
2069 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2070 whether to use ANSI variable args.
2073 * prefix.c (concat): Likewise.
2077 * system.h: Likewise.
2079 * toplev.c (error_with_file_and_line): Likewise.
2080 (error_with_decl): Likewise.
2081 (error_for_asm): Likewise.
2084 (warning_with_file_and_line): Likewise.
2085 (warning_with_decl): Likewise.
2086 (warning_for_asm): Likewise.
2087 (warning): Likewise.
2088 (pedwarn): Likewise.
2089 (pedwarn_with_decl): Likewise.
2090 (pedwarn_with_file_and_line): Likewise.
2092 (really_sorry): Likewise.
2094 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2095 whether to declare `tree_node' and `rtx_def'.
2097 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
2098 deciding whether to use ANSI variable args.
2099 (build_nt): Likewise.
2100 (build_parse_node): Likewise.
2102 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
2104 * version.c: Bump for snapshot.
2106 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2108 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
2110 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2112 * collect2.c (main, case 'b'): Use else if.
2114 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2116 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
2117 Arrange to include gansidecl.h in {ht}config.h & tm.h just
2118 before the config/ directory headers.
2119 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
2120 gansidecl.h in the list of dependencies.
2122 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
2123 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
2124 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
2125 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
2126 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
2127 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
2130 * cccp.c: Don't include gansidecl.h.
2132 * collect2.c: Likewise.
2133 * config/c4x/c4x.c: Likewise.
2134 * config/v850/v850.h: Likewise.
2135 * cppalloc.c: Likewise.
2136 * cpperror.c: Likewise.
2137 * cppexp.c: Likewise.
2138 * cppfiles.c: Likewise.
2139 * cpphash.c: Likewise.
2140 * cpplib.c: Likewise.
2141 * cppmain.c: Likewise.
2142 * cppulp.c: Likewise.
2143 * demangle.h: Likewise.
2144 * doprint.c: Likewise.
2145 * dyn-string.c: Likewise.
2146 * eh-common.h: Likewise.
2147 * fix-header.c: Likewise.
2148 * frame.c: Likewise.
2151 * gen-protos.c: Likewise.
2152 * gencheck.c: Likewise.
2153 * halfpic.h: Likewise.
2155 * machmode.h: Likewise.
2156 * mbchar.c: Likewise.
2157 * prefix.c: Likewise.
2158 * protoize.c: Likewise.
2159 * recog.h: Likewise.
2161 * scan-decls.c: Likewise.
2163 * varray.h: Likewise.
2165 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
2167 * i386.md (call_value_pop): If we're not popping anything,
2168 defer to call_value.
2169 (call_pop): Likewise defer to call.
2171 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
2173 * function.c (purge_addressof): Clear purge_addressof_replacements
2174 only after processing the whole function.
2176 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
2178 * reload1.c (reload): If we can not perform a particular elimination
2179 when we thought we could earlier, then we must always iterate through
2180 the loop at least one more time.
2182 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
2184 * alpha.c (add_operand): Simplify the CONST_INT match.
2185 (sext_add_operand): Correct typo in comparison by using
2186 CONST_OK_FOR_LETTER_P.
2187 * alpha.md (s?addq): Use sext_add_operand to allow the negative
2188 constant alternatives to be generated.
2189 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
2190 small constants, since the hw instructions do.
2192 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2194 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
2195 previous insn to store directly into our reload register, make sure
2196 that if the source of the previous insn is a reload register, its
2197 spill_reg_store and spill_reg_stored_to values are cleared.
2199 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
2201 * rs6000.md (floatunssidf2_internal splitter): Use base register
2202 operand, not hard-coded SP.
2204 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2206 * jump.c (calculate_can_reach_end): Fix thinko.
2208 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
2210 * reorg.c (fill_simple_delay_slots): Fix typo.
2212 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
2214 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
2216 * i386.md (extendsidi2): Use # in the output template.
2217 (extendsidi splitters): New splitters.
2219 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
2221 * configure.in: Use unknown-elf.h as tm_file for arm-elf
2223 * configure: Regenerate.
2225 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2227 * jump.c (init_label_info, delete_barrier_successors,
2228 mark_all_labels, delete_unreferenced_labels,
2229 delete_noop_moves, calculate_can_reach_end): New functions broken
2230 out of jump_optimize.
2231 (jump_optimize): Use them.
2233 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2235 * except.c (expand_fixup_region_end): Make sure outer context labels
2236 are not issued in an inner context during cleanups.
2238 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
2240 * alpha.md (addsi3, subsi3): No new temporaries once cse is
2243 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
2245 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
2246 to expose this midpoint to CSE.
2248 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2250 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
2252 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2254 * configure.in: Bring over gcc2 change of Nov 19 1997.
2256 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
2258 * toplev.c (output_lang_identify): Make definition dependent on
2259 ASM_IDENTIFY_LANGUAGE.
2261 * print-rtl.c (spaces): Make static.
2263 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
2265 * extend.texi: Clarify proper uses for register clobbers in asms.
2267 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2269 * recog.h (enum op_type): Define.
2270 (constrain_operands): Adjust prototype.
2271 (recog_op_type): Declare new variable.
2272 * recog.c (recog_op_type): New variable.
2273 (insn_invalid_p): Allow modifying an asm statement after reload.
2274 (extract_insn): Set up recog_op_type.
2275 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2276 Don't compute operand types, use recog_op_type.
2277 Use the information computed by extract_insn instead of the previous
2278 method of finding it by insn code number.
2279 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2280 * reorg.c (fill_slots_from_thread): Likewise.
2281 * reload1.c (reload_as_needed): Likewise.
2282 (gen_reload): Likewise.
2283 (inc_for_reload): Likewise.
2284 (reload_cse_simplify_operands): Likewise.
2285 Use the information computed by extract_insn instead of the previous
2286 method of finding it by insn code number.
2287 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
2289 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
2290 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
2291 Use the information computed by extract_insn instead of the previous
2292 method of finding it by insn code number.
2293 * regmove.c (find_matches): Likewise. Change meaning of the return
2294 value to be nonzero if the optimization can be performed, zero if
2295 not. All callers changed.
2296 Shorten some variable names to fix formatting problems.
2297 (regmove_optimize): Shorten some variable names to fix formatting
2299 Use the information computed by extract_insn instead of the previous
2300 method of finding it by insn code number.
2301 * regclass.c (scan_one_insn): Likewise.
2302 (record_reg_classes): Don't compute operand types, use recog_op_type.
2303 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
2304 recog_constraints instead.
2306 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
2308 * rtl.h (flow2_completed): Declare.
2309 * flow.c (flow2_completed): Definition.
2310 * toplev.c (rest_of_compilation): Set and clear flow2_completed
2313 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2315 * Makefile.in (libcpp.a): Ranlib libcpp.a
2317 * cppulp.c (user_label_prefix): Initialize.
2319 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
2321 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
2322 at a RETURN if current_function_sp_is_unchanging is set.
2324 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2326 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
2328 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
2330 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
2331 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
2332 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
2333 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
2334 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
2335 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
2337 (LIB_SPEC): Handle -mno-cyginw option.
2338 (LINK_SPEC): Handle -mdll.
2340 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2342 * reload.c (find_reloads): Fix test for usage by other reload
2343 to handle secondary reloads properly.
2345 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2347 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
2348 intermediate structure which has exactly the members provided by
2349 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
2350 static intermediate structure.
2352 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
2353 from the intermediate structure. Do the same analogous fix in
2354 the case where ELIMINABLE_REGS is not defined.
2356 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
2358 * pa.h (SELECT_SECTION): Fix thinko.
2360 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
2362 * dwarf2out.c (output_call_frame_info): Comments on last change.
2364 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
2366 * arm.c (add_constant): When taking the address of an item in the
2367 pool, get the mode of the item addressed.
2369 * arm.c (final_prescan_insn case INSN): If an insn doesn't
2370 contain a SET or a PARALLEL, don't consider it for conditional
2373 Restore ABI compatibility for NetBSD.
2374 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
2376 (RETURN_IN_MEMORY): Likewise.
2378 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
2380 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
2381 (m32r_output_block_move): Rewrite bytes < 4 handling.
2383 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2385 * configure.in: Call AC_FUNC_VFORK.
2387 * collect2.c: Define VFORK_STRING as a printable string for
2388 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
2389 defined, include vfork.h. If VMS is defined, define vfork()
2390 appropriately. Remove vfork check on USG, we're using autoconf.
2391 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
2392 checking locally what string to pass.
2393 (scan_prog_file): Likewise.
2394 (scan_libraries): Likewise.
2396 * gcc.c: Remove vfork check on USG, we're using autoconf.
2397 Besides, no calls to vfork/fork occur in this file.
2399 * protoize.c: Likewise.
2401 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2403 * configure.in (DEFAULT_LINKER): renamed from LD
2404 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
2405 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
2406 * configure: rebuilt
2408 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2410 * BUGS: fix the regexp for `more' to find the appropriate node.
2411 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
2413 * BUGS: added link to the WWW FAQ
2415 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
2417 * version.c: Bump for snapshot.
2419 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
2421 * From Christian Gafton:
2422 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
2423 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
2424 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
2426 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
2428 * c-common.c (c_get_alias_set): Allow all type-punning through
2429 unions. Don't get confused about the type of a bit-field, despite
2430 the antics of build_modify_expr.
2432 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
2434 * fixinc.sco: Paramaterize #include_next values.
2435 * fixinc/fixinc.sco: Likewise.
2437 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
2439 * toplev.c (rest_of_compilation): No longer set reload_completed.
2440 * reload1.c (reload): Set it here. Perform instruction splitting
2441 after reload has completed if we will be running the scheduler
2444 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
2446 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
2447 EH region if exceptions are enabled and we're performing cross
2449 (find_cross_jump): Exit loop if the insns are in different EH regions.
2451 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
2453 * dwarf2out.c (output_call_frame_info): Use
2454 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
2456 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2458 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
2459 * c-common.c (check_format_info): Don't check for the 'x'
2460 format character twice, instead check for 'x' and 'X'
2462 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
2464 * configure.in (assembler features): Also make gas is configured if
2465 we find it in the souce tree.
2467 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
2469 * i386.c (i386_comp_type_attributes): Compare whether the
2470 attributes are defined, not their tree nodes.
2472 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2474 * configure.in (gxx_include_dir): bitten by autoconf quoting
2476 * configure: rebuilt
2478 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2480 * configure.in: Ignore non-absolute value in $AS.
2482 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
2484 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
2486 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
2488 * configure.in (msdosdjgpp): Set exeext and target_alias.
2490 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2492 * flow.c (XNMALLOC): New macro.
2493 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
2495 (add_edge, add_edge_to_label): New static functions.
2496 (free_bb_memory): New function.
2497 (flow_delete_insn): Delete function.
2498 (basic_block_drops_in): Delete variable.
2499 (find_basic_blocks): Allocate and initialize basic_block_head,
2500 basic_block_succ. Don't allocate basic_block_drops_in.
2501 Call free_bb_memory at the beginning.
2502 (find_basic_blocks_1): Don't do multiple passes.
2503 Delete code to compute basic_block_drops_in.
2504 After calling make_edges, mark blocks reached by current block live.
2505 Update test for unreachable live blocks.
2506 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
2508 Simplify to call add_edge_to_label when a LABEL_REF is found.
2509 (make_edges): Simplify to call add_edge_to_label instead of
2510 mark_label_ref most of the time.
2511 Compute here whether control drops into the next block.
2512 (delete_unreachable_blocks): Return void. All callers changed.
2513 Delete unreachable blocks in reverse order.
2514 After deleting all unreachable blocks, renumber the remaining ones
2515 and update n_basic_blocks.
2516 (delete_block): Speed up deletion a bit.
2517 Don't set basic_block_drops_in for deleted blocks.
2518 (free_basic_block_vars): Don't free basic_block_drops_in.
2519 (life_analysis_1): Update to use new edge representation.
2520 (dump_flow_info): Delete code to print basic block info; call
2521 dump_bb_data instead.
2522 (compute_preds_succs): Delete code to recompute basic_block_drops_in
2523 and uid_block_number.
2524 Simply copy the previously computed cfg.
2525 (dump_bb_data): New arg LIVE_INFO. All callers changed.
2526 Print register lifetime information if LIVE_INFO is nonzero.
2527 * basic-block.h (dump_bb_data): Adjust prototype.
2528 * gcse.c (gcse_main): Update call to dump_bb_data.
2529 * rtl.h (free_bb_memory): Declare.
2530 * toplev.c (rest_of_compilation): Call free_bb_memory.
2532 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
2533 (update_eliminable_offsets): Don't compute it.
2534 (set_initial_elim_offsets): Don't initialize it.
2535 Break out some code into set_initial_label_offsets so the rest of
2536 this function can be called from reload_as_needed.
2537 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
2538 ELIMINABLE_REGS isn't.
2539 (set_initial_label_offsets): New function, broken out of
2540 set_initial_elim_offsets.
2541 (set_offsets_for_label): New function, broken out of set_label_offsets
2542 and reload_as_needed.
2543 (reload): Call the two new functions.
2544 (reload_as_needed): Call set_initial_elim_offsets instead of
2545 duplicating the code. Likewise for set_offsets_for_label.
2547 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
2548 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
2549 any hard reg, reg_reloaded_dead contains valid data.
2551 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
2553 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
2554 "stdcall" and "cdecl" attributes.
2556 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
2558 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
2559 handle deleted no-op moves of hard registers.
2560 * haifa-sched.c (update_flow_info): Likewise.
2562 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
2564 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
2565 of the sequences to reload the HILO register which do not actually
2568 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
2570 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
2572 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2574 * except.c (emit_eh_context): Make the EH context register stay alive
2575 at -O0 so stupid.c doesn't get confused.
2577 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2579 * emit-rtl.c (try_split): Do not try to split a BARRIER.
2581 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
2582 Jeffrey A Law (law@cygnus.com)
2584 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
2585 (zero_extendsidi2): Use # in output template and handle completely by
2587 (zero_extend splitters): New define_splits.
2588 (ashiftrt_32): New pattern.
2590 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2592 * tree.c (append_random_chars): New fn.
2593 (get_file_function_name_long): Use it.
2595 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
2597 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
2598 (LIBCPP_OBJS): New. Add cppulp.o.
2599 (cppmain, fix-header): Depend on and use libcpp.a.
2600 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
2601 of the individual object files.
2602 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
2605 * cccp.c (user_label_prefix): New.
2606 (main): Set it off -f*leading-underscore.
2607 (special_symbol): Use it.
2608 * cpplib.c (special_symbol): Likewise.
2609 (cpp_handle_option): Handle -f*leading-underscore.
2610 * cppulp.c: New file.
2612 * output.h (user_label_prefix): Declare it.
2613 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
2614 * toplev.c (f_options, main): Handle -f*leading-underscore.
2616 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
2617 referencing USER_LABEL_PREFIX directly.
2618 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
2619 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
2620 * final.c (asm_fprintf): Use user_label_prefix instead.
2621 * arm/thumb.c (thumb_print_operand): Likewise.
2623 * gcc.c (default_compilers): Pass -f*leading-underscore on to
2624 cpp wherever appropriate.
2626 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
2628 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
2629 specific compiler switches.
2631 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
2633 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
2636 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2638 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
2639 structure which has exactly the members provided by EXTRA_SPECS.
2640 Xmalloc() the real `extra_specs', and initialize it from this
2641 intermediate structure.
2643 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
2645 * mips.h (EXTRA_SPECS): Likewise.
2647 * sparc.h (EXTRA_SPECS): Likewise.
2649 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2651 * function.c (purge_addressof_1): Instead of aborting when a
2652 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
2653 work just put the ADDRESSOF on stack. Otherwise remember all such
2654 successfull replacements, so that exactly the same replacements
2655 can be made on the REG_NOTEs. Remove the special case for CALL
2657 (purge_addressof_replacements): New variable.
2658 (purge_addressof): Clear it at end.
2660 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2662 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
2663 (lang_init): Call check_newline always.
2664 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
2665 cpp_start_read, set yy_cur and yy_lim to read from
2666 parse_in.token_buffer, so that we'll see the first #line
2668 * cpplib.c (cpp_start_read): finclude the main input file
2669 before processing -include/-imacros. Process -imacros and
2670 -include separately, and handle -include by stacking a
2671 buffer for the file in question as if it'd been #included.
2672 * toplev.c (documented_lang_options) Recognize -H when
2675 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2677 * cpplib.c: Merge do_once into do_pragma. Break file handling
2678 code out of do_include.
2679 Move append_include_chain, deps_output,
2680 file_cleanup, redundant_include_p, import_hash,
2681 lookup_import, add_import, read_filename_string, read_name_map,
2682 open_include_file, finclude, safe_read to cppfiles.c.
2683 Move prototypes for deps_output, append_include_chain,
2684 finclude to cpplib.h. Move definition of struct
2685 file_name_list there also.
2687 * cppfiles.c: New file. Contains all the above functions
2688 broken out of cpplib.c; also hack_vms_include_specification
2689 from cccp.c and find_include_file, a new function broken out of
2692 * Makefile.in (cppmain): Depend on cppfiles.o.
2693 (fix-header): Likewise.
2694 (cppfiles.o): New target.
2695 * configure.in (--enable-c-cpplib): Add cppfiles.o to
2696 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
2698 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
2700 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
2701 if pending_types is non-zero.
2702 (dwarfout_finish): Verify pending_types is zero before finishing.
2704 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
2706 * expr.c (convert_move): Use shifts to perform the move if a
2707 suitable extend pattern cannot be found. Code written by
2708 Richard Henderson <rth@cygnus.com>.
2710 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2712 * regclass.c (renumber, regno_allocated): New static variables, moved
2713 out of allocate_reg_info.
2714 (allocate_reg_info): Move these two variables outside the function.
2715 Move code to free memory into new function free_reg_info.
2716 (free_reg_info): New function, broken out of allocate_reg_info.
2717 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
2718 * rtl.h (allocate_reg_info): Don't declare.
2719 (free_reg_info): Declare.
2721 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
2723 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
2725 * toplev.c (compile_file): Temporarily revert last change.
2727 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2729 * c-typeck.c (convert_for_assignment): Parenthesize.
2731 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2733 * reload1.c (delete_output_reload): Avoid ambigous else.
2735 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
2737 * toplev.c (compile_file): Call allocate_reg_info to free register
2739 * rtl.h (allocate_reg_info): Declare.
2741 * PROJECTS: Remove entry for local spilling.
2743 * final.c (cleanup_subreg_operands): New function.
2744 (final_scan_insn): Use it.
2745 (alter_subreg): Clear the "used" field when we turn a SUBREG into
2747 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
2748 operands when reload has finished.
2749 * reload.h (cleanup_subreg_operands): Declare..
2750 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
2751 reload. Handled in reload itself.
2753 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2755 * reload1.c (verify_initial_offsets): New function.
2756 (reload): Call it after reload_as_needed. Also verify that the frame
2757 size stays constant during reload_as_needed.
2758 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
2760 * reload.h (struct insn_chain): Add need_operand_change element.
2761 * reload1.c (new_insn_chain): Clear it.
2762 (calculate_needs_all_insns): Set it; don't overload need_reload.
2763 (reload_as_needed): Use it.
2765 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
2766 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
2767 and reload_address_index_reg_class.
2768 (find_reloads_address_1): Likewise.
2769 * reload.h (reload_address_base_reg_class,
2770 reload_address_index_reg_class): Don't declare.
2771 * reload1.c (reg_old_renumber, pseudo_previous_regs,
2772 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
2773 (used_spill_regs): Now static.
2774 (reload_address_base_reg_class, reload_address_index_reg_class,
2775 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
2776 basic_block_needs, max_needs, group_size, group_mode, max_groups,
2777 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
2780 (init_reload): Delete code to compute base/index reg classes.
2781 (reload): Delete variable J.
2782 Delete code to manage basic_block_needs.
2783 Don't compute regs_explicitly_used.
2784 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
2785 pseudo_previous_regs.
2786 Initialize bad_spill_regs_global.
2787 Don't call order_regs_for_reload here.
2788 Don't initialize spill_reg_order and n_spills.
2789 Don't forbid explicitly used regs to be used for spill regs.
2790 Change main loop to infinite loop, with explicit break statements.
2791 Make SOMETHING_CHANGED variable local to that loop.
2792 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
2793 max_groups_insn, max_nongroups_insn, group_size, group_mode.
2794 Make sure spilled_speudos is cleared before calling spill_hard_reg or
2796 Don't call dump_needs.
2797 Delete code to reset potential_reload_regs.
2798 Delete code to terminate loop conditional on the global needs variables
2799 showing no further needs.
2800 (calculate_needs_all_insns): Return void. All callers changed.
2801 Initialize somehing_needs_elimination here, not in reload.
2802 Delete avoid_return_reg kludge.
2803 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
2804 All callers changed.
2805 Initialize the group_mode and group_size elements of the arg CHAIN.
2806 Delete code to manage basic_block_needs.
2807 Operate on elements of CHAIN instead of global variables.
2808 Delete avoid_return_reg kludge.
2809 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
2810 All callers changed.
2811 Operate on elements of CHAIN instead of global variables.
2812 Delete special SMALL_REGISTER_CLASSES code.
2813 Delete spill_failure code; now in new_spill_reg.
2814 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
2815 All callers changed.
2816 Operate on elements of CHAIN instead of global variables.
2817 (maybe_mark_pseudo_spilled): New static function.
2818 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
2819 All callers changed.
2820 Operate on elements of CHAIN instead of global variables.
2821 Call order_regs_for_reload here, not in reload.
2822 Initialize spill_reg_order and n_spills.
2823 Simplify test whether an asm insn is involved.
2824 Delete spill_failure code; now in new_spill_reg.
2825 Call maybe_mark_pseudo_spilled for everything marked as live in
2826 CHAIN. Merge CHAIN's used_spill_regs into the global variable
2828 (dump_needs): Take CHAIN arg. No longer static, to prevent the
2829 compiler from optimizing this function (now unused) away.
2830 Operate on elements of CHAIN instead of global variables.
2831 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
2833 Operate on elements of CHAIN instead of global variables.
2834 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
2835 take CHAIN arg. All callers changed.
2836 Operate on elements of CHAIN instead of global variables.
2837 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
2838 CHAIN, NONGROUP args. Return void. All callers changed.
2839 Verify caller isn't trying to spill a pseudo.
2840 Simplify test for illegal reg, just use bad_spill_regs.
2841 Generate better error messages.
2842 Operate on elements of CHAIN instead of global variables.
2843 Mark spilled register in CHAIN's used_spill_regs element.
2844 Don't call spill_hard_reg.
2845 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
2846 Mark spilled hard regs in bad_spill_regs_global.
2847 Mark affected pseudos in spilled_pseudos, but don't spill them.
2848 (ior_hard_reg_set): New static function.
2849 (finish_spills): Return int. All callers changed.
2850 Compute spill_reg_order, n_spills and spill_regs here. Also update
2851 regs_ever_live for regs used as spills.
2852 For every pseudo in spilled_pseudos, spill it and mark the previous
2853 hard reg it had in pseudo_previous_regs. Compute which hard regs
2854 arseudo): New static function.
2855 (order_regs_for_reload): Take CHAIN arg. All callers changed.
2856 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
2857 hard registers explicitly used across the current insn into the set.
2858 Compute hard_reg_n_uses taking only pseudos live across this insn
2860 Tweak sorting of potential_reload_regs.
2861 (compare_spill_regs): Delete function.
2862 (reload_as_needed): Don't sort the spill_regs array, it's computed
2863 in proper order in finish_spills.
2864 Delete avoid_return_reg kludge.
2865 Delete code to manage basic_block_needs.
2866 (allocate_reload_reg): Minor speed/readability tweaks.
2867 Operate on elements of CHAIN instead of global variables.
2868 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
2869 Delete avoid_return_reg kludge.
2870 Initialize reload_reg_used from CHAIN's used_spill_regs element.
2871 Delete unused label FAIL.
2872 (reload_combine): Replce reload_address_index_reg_class with
2874 Don't use used_spill_regs to determine information about lifetime of
2877 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
2879 * toplev.c (display_help): Ignore empty target specific
2880 options, and if -W is also specified on the command line then
2881 display undocumented options.
2883 * config/arm/arm.c: Updated with changes in devo sources.
2884 * config/arm/arm.h: Updated with changes in devo sources.
2885 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
2886 * config/arm/lib1thumb.asm: Add ELF support.
2888 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
2890 * collect2.c (aix64_flag): New variable.
2891 (main, case 'b'): Parse it.
2892 (GCC_CHECK_HDR): object magic number must match mode.
2893 (scan_prog_file): Only check for shared object if valid header.
2894 Print debugging if header/mode mismatch.
2896 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
2898 Added support for arm-elf-linux configuration, submitted by Philip
2899 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
2900 code developed by Catherine Moore <clm@cygnus.com>. The following
2903 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
2906 * configure: Regenerated.
2908 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
2909 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
2910 definitions conditional on their not having been already defined.
2912 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
2913 and .type directives, and add "(PLT)" qualification to function
2916 * config/arm/linux.h: Deleted. This file is now superceeded by
2917 either linux-elf.h or linux-aout.h.
2919 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
2920 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
2922 Move definitions from old linux.h file here.
2924 * config/arm/elf.h: New file. Generic ARM/ELF support.
2926 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
2928 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
2930 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
2931 using the 26bit APCS.
2933 * config/arm/unknown-elf.h: New file. Support for OS'es other
2934 than Linux with ELF.
2936 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
2939 * config/arm/coff.h: Include aout.h for basic assembler macros.
2940 Add support for -mstructure_size_boundary=<n> command line option.
2942 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
2943 command line option. Make macro definitions conditional on their
2944 not having been already defined.
2946 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
2947 command line option.
2950 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
2952 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
2953 has been changed to not include a newline. Use this macro instead.
2954 (output_enumeral_list, const_value_attribute, name_attribute,
2955 comp_dir_attribute, prototyped_attribute, producer_attribute,
2956 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
2957 dwarfout_file_scope_decl, generate_new_sfname_entry,
2958 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
2959 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
2961 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
2963 * combine.c (subst): Process the inputs to a parallel asm_operands
2966 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
2968 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
2970 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
2972 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
2974 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
2976 * version.c: Bump for snapshot.
2978 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
2980 * stmt.c (expand_fixup): Set fixup->before_jump to a
2981 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
2983 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2985 * Makefile.in (recog.o): Depend on toplev.h.
2986 (insn-emit.o): Depend on recog.h.
2987 (insn-peep.o): Depend on recog.h and insn-config.h.
2989 * combine.c (simplify_set): Remove unused variable `scratches'.
2991 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
2992 and `idx' in macro conditional controlling their use.
2994 * genemit.c (main): Make the generated output file include
2995 recog.h. Don't have it declare `insn_operand_constraint', since
2996 we get it from recog.h.
2998 * genpeep.c (main): Make the generated output file include
2999 insn-config.h and recog.h.
3001 * recog.c: Include toplev.h.
3002 (extract_insn): Remove unused variable `p'.
3004 * regclass.c (fix_register): Add missing braces around initializer
3006 (allocate_reg_info): Move variable `i' into the scope where it is
3007 used. Change its type to `size_t'.
3009 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3011 * reload.c (push_reload): When merging reloads, make sure
3012 that reload_in_reg and reload_in are from the same reload in
3015 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
3017 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
3018 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3020 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
3022 * loop.c (loop_has_tablejump): New variable.
3023 (prescan_loop): Scan for it.
3024 (insert_bct): Replace explicit scan with use of it.
3025 * regclass.c (regclass): Restore loop variable j.
3026 (record_reg_classes): Deterine op_types modifiers and initialize
3027 classes[i] before matching constraints. Handle matching
3030 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
3032 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
3035 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3037 * mips.h (EXTRA_SPECS): Add missing initializers.
3039 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3041 * sparc.h (EXTRA_SPECS): Add missing initializers.
3042 (sparc_defer_case_vector): Provide a prototype.
3044 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
3045 comparing it to the result of a pointer subtraction.
3047 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3049 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
3050 the argument to (unsigned char).
3052 * alpha.h (EXTRA_SPECS): Add missing initializers.
3053 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
3056 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
3058 * flow.c (life_analysis_1): Enable "rescan" code after reload.
3059 (propagate_block): Delete dead code after reload.
3061 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
3062 back Oct 15, 1998 change.
3063 * haifa-sched.c (update_flow_info): Likewise.
3064 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
3066 * mn10200.md (truncated shift): Accept constant inputs too.
3068 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
3070 * machmode.h (mode_mask_array): No longer const.
3071 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
3073 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3075 * frame.c: Somewhat explain `FDE'.
3076 Suggested by Brendan Kehoe
3078 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
3080 * expr.c (pending_chain): Move up.
3081 (save_expr_status): Do save pending_chain.
3082 (restore_expr_status): And restore it.
3083 * function.h (struct function): Add pending_chain.
3085 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3087 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
3088 did not match the code.
3090 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3092 * regclass.c (regclass): Break out some code into new function
3093 scan_one_insn, and into regclass_init.
3094 (init_cost): New static variable, moved out of regclass.
3095 (regclass_init): Initialize it here, not in .
3096 (scan_one_insn): New static function, broken out of regclass.
3097 * recog.c (apply_change_group): Break out some code into new
3098 function insn_invalid_p.
3099 (insn_invalid_p): New static fn, broken out of apply_change_group.
3101 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
3103 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
3104 reg_reloaded_contents matches incremented pseudo.
3106 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
3108 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3110 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
3111 addressing modes with side effects. These are currently
3112 placeholders for the C4x target.
3114 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3116 * loop.c (express_from): Make sure that when generating a PLUS of
3117 a PLUS, any constant expression appears on the outermost PLUS.
3119 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
3121 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
3122 works if "$(srcdir)" != ".".
3124 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
3126 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
3127 existing SUBREG if we can, otherwise abort.
3129 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
3131 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
3132 `restrict' is applied to a non-pointer variable.
3134 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
3136 * invoke.texi: Document -flang-isoc9x.
3138 * Makefile.in (OBJS): Add splay-tree.o.
3139 (c-common.o): Depend on rtl.h.
3140 (splay-tree.o): List dependencies and provide build rule.
3142 * rtl.h (record_alias_subset): New function.
3143 * alias.c: Include splay-tree.h.
3144 (alias_set_entry): New type.
3145 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
3146 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
3147 (mems_in_disjoin_alias_sets_p): New function.
3148 (alias_set_compare): Likewise.
3149 (insert_subset_children): Likewise.
3150 (get_alias_set_entry): Likewise.
3152 * tree.h (TYPE_RESTRICT): New macro.
3153 (TYPE_UNQUALIFIED): New manifest constant.
3154 (TYPE_QUAL_CONST): Likewise
3155 (TYPE_QUAL_VOLATILE): Likewise.
3156 (TYPE_QUAL_RESTRICT): Likewise.
3157 (tree_type): Add restrict_flag. Reduce count of free bits.
3158 (DECL_POINTER_ALIAS_SET): New macro.
3159 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
3160 (tree_decl): Add pointer_alias_set.
3161 (build_qualified_type): New function.
3162 (build_type_variant): Define in terms of build_qualified_type.
3163 * tree.c (set_type_quals): New function.
3164 (make_node): Initializae DECL_POINTER_ALIAS_SET.
3165 (build_type_attribute_variant): Use build_qualified_type and
3167 (build_type_variant): Rename, and modify, to become...
3168 (build_qualified_type): New function.
3169 (build_complex_type): Use set_type_quals.
3171 * c-tree.h (C_TYPE_OBJECT_P): New macro.
3172 (C_TYPE_FUNCTION_P): Likewise.
3173 (C_TYPE_INCOMPLETE_P): Likewise.
3174 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
3175 (c_apply_type_quals_to_decl): New function.
3176 (c_build_qualified_type): New function.
3177 (c_build_type_variant): Define in terms of c_build_qualified_type.
3178 (flag_isoc9x): Declare.
3179 * c-typeck.c (qualify_type): Use c_build_qualified_type.
3180 (common_type): Change to use TYPE_QUALS.
3181 (comptypes): Likewise.
3182 (convert_for_assignment): Likewise.
3183 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
3184 * c-decl.c (flag_isoc9x): Define.
3185 (c_decode_option): Handle -flang-isoc9x.
3186 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
3187 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
3188 * c-lex.c (init_lex): Deal with restrict.
3189 (init_lex): Don't treat restrict as a reserved word in
3190 -traditional mode, or without -flang-isoc9x.
3191 * c-lex.h (rid): Add RID_RESTRICT.
3192 * c-parse.gperf (restrict, __restrict, __restrict__): Make
3193 equivalent to RID_RESTRICT.
3194 * c-parse.in (TYPE_QUAL): Update comment.
3195 * c-common.c: Include rtl.h.
3196 (c_find_base_decl): New function.
3197 (c_build_type_variant): Rename, and modify, to become ...
3198 (c_build_qualified_type): New function.
3199 (c_apply_type_quals_to_decl): Likewise.
3200 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
3201 a particular alias set for the reference.
3202 * toplev.c (documented_lang_options): Add -flang-isoc9x.
3204 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
3206 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
3207 command line switches.
3209 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
3211 * reload.c (loc_mentioned_in_p): Add missing braces to bind
3214 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
3216 * gcc.c (option_map): Added --classpath and --CLASSPATH.
3218 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
3220 * regclass.c (fix_register): Add error message.
3221 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
3224 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3226 * c-decl.c (warn_missing_noreturn): New global variable.
3227 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
3228 (finish_function): Implement missing noreturn warning.
3230 * c-tree.h (warn_missing_noreturn): Declare extern.
3232 * invoke.texi: Document new flags.
3234 * toplev.c (documented_lang_options): Add description.
3236 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3238 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
3239 loop optimization stable for the C4x.
3240 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
3241 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
3242 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
3244 (c4x_address_conflict): Be more paranoid when packing a volatile
3245 memref in a parallel load/store.
3247 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3249 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
3250 repeat_block_filler): Deleted.
3251 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
3252 Condition code not set if destination register from 'c' class.
3253 (*subbqi3_carry_clobber): Fix typo.
3255 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3257 * reorg.c (steal_delay_list_from_target) Check for insns that
3258 modify the condition codes and effect the direction of the jump
3261 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3263 * function.c (purge_addressof_1): Replace call to
3264 emit_insns_before() with emit_insn_before().
3266 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
3268 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
3270 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3272 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3274 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3276 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3277 clobbered across calls.
3279 * loop.c (scan_loop): Be more selective about what invariants are
3280 moved out of a loop.
3282 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
3284 * version.c: Bump for snapshot.
3286 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3288 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
3289 static eh_context structure.
3291 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3293 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
3295 (try_combine): Don't update max_scratch.
3296 * flow.c (max_scratch, num_scratch): Delete variables.
3297 (life_analysis_1): Don't initialize max_scratch.
3298 (propagate_block): Don't update max_scratch.
3299 (mark_set_1): Don't increment num_scratch.
3300 * regs.h (max_scratch): Delete declaration.
3302 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
3304 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
3305 is nonzero. This is temporary!
3307 * sched.c (update_flow_info): Handle death notes made invalid by
3308 instruction splitting. Partially reverts Oct 15, 1998 patch.
3309 * haifa-sched.c (update_flow_info): Likewise.
3311 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
3313 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
3314 if it has a nonzero DECL_INITIAL.
3316 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3318 * Makefile.in (flow.o): Depend on recog.h.
3320 * cpplib.h (directive_table): Add missing initializiers.
3321 (finclude): Change type of variable `bsize' to size_t.
3323 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
3325 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
3327 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
3328 `int' when comparing against one.
3329 (cpp_file_line_for_message): Mark parameter `pfile' with
3331 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
3333 * flow.c: Include recog.h.
3334 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
3336 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
3337 `f' with ATTRIBUTE_UNUSED.
3338 (reposition_prologue_and_epilogue_notes): Likewise.
3340 * genopinit.c (gen_insn): Cast argument of ctype functions to
3343 * haifa-sched.c: Include recog.h.
3344 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
3345 comparing against one.
3347 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
3349 * mips-tfile.c (parse_end): Cast the argument of ctype function to
3351 (parse_ent): Likewise.
3352 (parse_input): Likewise.
3354 * optabs.c (init_libfuncs): Likewise.
3356 * protoize.c (find_rightmost_formals_list): Likewise.
3358 * recog.h (const_double_operand): Fix typo in prototype.
3360 * tlink.c (scan_linker_output): Cast the argument of ctype
3361 function to `unsigned char'.
3363 * toplev.c (check_lang_option): Cast the result of `strlen' to
3364 `int' when comparing against one.
3366 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3368 * gcse.c (dump_cuid_table): Correct typo.
3370 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
3372 * toplev.c (display_help): Prepend '-m' to target specific
3374 (check_lang_option): Ignore text after end of first word of a
3375 language specific option.
3377 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3379 * reload1.c (reg_used_by_pseudo): New static variable.
3380 (choose_reload_regs): Initialize it.
3381 Use it instead of testing spill_reg_order to determine whether a
3382 pseudo is live in a hard register across the current insn.
3383 Fix a typo in a reference to reload_reg_rtx.
3385 * flow.c (propagate_block): Replace code that computes and uses
3386 regs_sometimes_live with simpler code that just walks the set of
3387 currently live registers.
3389 * Makefile.in (insn-extract.o): Fix dependencies.
3390 * genextract.c (main): Generate includes for insn-config.h and
3392 Delete generation of declarations which are now in recog.h.
3393 * genrecog.c (main): Delete generation of definitions which are
3395 * local-alloc.c (block_alloc): Use extract_insn and the variables
3396 it sets up instead of looking up values by insn_code.
3397 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
3398 recog_dup_num): Define here instead of generating the definition in
3400 (recog_n_operands, recog_n_dups, recog_n_alternatives,
3401 recog_operand_mode, recog_constraints, recog_operand_address_p):
3403 (extract_insn): New function.
3404 * recog.h (extract_insn): Declare function.
3405 (which_alternative, recog_n_operands, recog_n_dups,
3406 recog_n_alternatives, recog_operand_mode, recog_constraints,
3407 recog_operand_address_p): Declare variables.
3408 * regclass.c (n_occurrences): New static function.
3409 * reload.c (n_occurrences): Delete function.
3410 (find_reloads): Use extract_insn.
3411 * reload.h (n_occurrences): Delete declaration.
3413 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
3415 * reload1.c (reload_as_needed): Fix test for when to call
3416 update_eliminable_offsets.
3418 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3420 Fix consistency problems with reg_equiv_{mem,address};
3421 Improve reload inheritance;
3423 * reload.c (reload_out_reg): New variable.
3424 (loc_mentioned_in_p, remove_address_replacements): New functions.
3425 (remove_replacements): Deleted.
3426 (push_reload): Set reload_out_reg[i].
3427 When merging, also set reload_{in,out}_reg[i], and remove
3428 duplicate address reloads.
3429 (combine_reloads): Copy reload_out_reg[i].
3430 (find_reloads): Do make_memloc substitution also when
3431 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3433 Include *recog_operand_loc in commutativity operand changes.
3434 Generate optional output reloads.
3435 Delete reference to n_memlocs. Don't set *recog_operand_loc before
3436 processing operands. Call make_memloc in reg_equiv_address code.
3437 Set *recog_operand_loc only after processing operands, and only
3438 if replace is true. Return a value.
3439 When changing address reload types for operands that didn't get
3440 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
3441 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
3442 Don't emit USEs for pseudo SUBREGs when not replacing.
3443 (find_reloads_address): Do make_memloc substitution also when
3444 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3446 (find_reloads_toplev): Likewise.
3447 Call make_memloc in reg_equiv_address code.
3448 (debug_reload_to_stream): Add code to output reload_out_reg.
3449 (make_memloc): Delete local variable i, ifdefed out code, and
3450 references to memlocs and n_memlocs.
3451 (memlocs, n_memlocs): Delete.
3452 (push_secondary_reload): Clear reload_out_reg.
3453 (find_reloads_address_1): Provide memrefloc argument to all calls
3454 to find_reloads_address.
3455 In AUTO_INC code, handle non-directly addressable equivalences properly.
3456 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
3457 (find_reloads): Add return type.
3458 (remove_address_replacements, deallocate_reload_reg): Declare.
3459 * reload1.c (num_not_at_initial_offset): No longer static.
3460 (delete_address_reloads, delete_address_reloads_1): Likewise.
3461 (deallocate_reload_reg): New function.
3462 (spill_reg_stored_to): New array.
3463 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
3464 (eliminate_regs_in_insn): Move assignments of previous_offset and
3465 max_offset fields, and recalculation of num_not_at_initial_offset
3466 into new static function:
3467 (update_eliminable_offsets) .
3468 (reload_as_needed): Call update_eliminable_offsetss after calling
3470 Call forget_old_reloads_1 with contents of reloaded auto_inc
3471 expressions if the actual addressing can't be changed to match the
3473 (choose_reload_regs): For inheritance, replace
3474 reload_reg_free_before_p test with reload_reg_used_at_all test, and
3475 remove stand-alone reload_reg_used_at_all test.
3476 Use reload_out_reg to determine which reload regs have output reloads.
3477 Treat reload_override_in more similar to inherited reloads.
3478 Handle (subreg (reg... for inheritance.
3479 For flag_expensive_optimizations, add an extra pass to remove
3480 unnecessary reloads from known working inheritance.
3481 Delete obsolete code for pseudos replaced with MEMs.
3482 Handle inheritance from auto_inc expressions.
3483 (emit_reload_insns): If reload_in is a MEM, set OLD to
3485 Don't reload directly from oldequiv; if it's a pseudo with a
3486 stack slot, use reload_in[j].
3487 Check that reload_in_reg[j] is a MEM before replacing reload_in
3488 from reg_reloaded_contents.
3489 Include non-spill registers in reload inheritance processing.
3490 Also try to use reload_out_reg to set spill_reg_store /
3491 reg_last_reload_reg.
3492 In code to set new_spill_reg_store, use single_set to find out if
3493 there is a single set.
3494 Add code that allows to delete optional output reloads.
3495 Add code to allow deletion of output reloads that use no spill reg.
3496 At the end, set reload_override_in to oldequiv.
3497 Also call delete_output_reload if reload_out_reg is equal to old
3499 Add code to call delete_output_reload for stores with no matching load.
3500 Set / use spill_reg_stored_to.
3501 Handle case where secondary output reload uses a temporary, but
3502 actual store isn't found.
3503 When looking for a store of a value not loaded in order to call
3504 delete_output_reload, count_occurences should return 0 for no
3505 loads; but discount inherited input reloadill_reg_stored_to.
3506 Do checks for extra uses of REG. Changed all
3508 Use delete_address_reloads.
3509 (reload): Take return value of find_reloads into account.
3510 If a no-op set needs more than one reload, delete it.
3511 (reload_reg_free_before_p): RELOAD_FOR_INPUT
3512 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
3513 for the same operand.
3514 (clear_reload_reg_in_use): Check for other reloads that keep a
3516 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
3517 RELOAD_FOR_OPADDR_ADDR.
3518 Take into account when an address address reload is only needed
3519 for the address reload we are considering.
3520 (count_occurrences): Use rtx_equal_p for MEMs.
3521 (inc_for_reload): Return instruction that stores into RELOADREG.
3522 New argument two, IN, and rtx. Changed all callers.
3523 (calculate_needs_all_insns, reload_as_needed):
3524 Don't clear after_call for a CLOBBER.
3525 Keep track of how many hard registers need to be copied from
3526 after_call, and don't clear after_call before we have seen
3527 that much copies, or we see a different instruction.
3529 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
3531 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
3532 after reload has completed.
3534 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
3536 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
3537 a macro name and the next token with a single blank if that whitespace
3538 is in a macro buffer and the next token is not '('.
3540 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
3542 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
3544 (skip_if_group): Ditto.
3545 (skip_to_end_of_comment): Ditto.
3547 (discard_comments): Ditto.
3548 (change_newlines): Ditto.
3550 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
3552 * c-lex.c (yylex): Fix unaligned access of wchar_t.
3554 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
3556 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
3557 (TARGET_OPTIONS): Add --help documentation.
3559 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3561 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
3563 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
3565 * fixinc/* Moved in from ../contrib directory in preparation
3566 for integrating it into the normal build process. In particular,
3567 fixinc/Makefile.in must be config-ed into the build directory
3568 as fixinc/Makefile. Proposed patches to ./Makefile.in and
3569 ./configure.in will be "in the mail" momentarily.
3571 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
3573 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
3574 accidently walk into the free list. Comment how that can happen.
3575 (invalidate): Fix indentation.
3577 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3578 Jeffrey A Law (law@cygnus.com)
3580 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
3581 reload. Never perform rescans of the insn chain after reload.
3582 (propagate_block): Do not delete insn or create new autoinc addressing
3585 * jump.c (jump_optimize): Unconditionally use the code that was
3586 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
3587 * reload1.c (reload): When reloading is finished, delete all
3588 REG_DEAD and REG_UNUSED notes.
3589 (emit_reload_insns): Delete all code that was conditional on
3590 PRESERVE_DEATH_INFO_REGNO_P.
3591 (no_longer_dead_regs): Delete variable.
3592 (reload_cse_delete_death_notes): Delete function.
3593 (reload_cse_no_longer_dead): Delete function.
3594 (reload_cse_regs_1): Delete all code to handle deletion of death
3596 (reload_cse_noop_set_p): Likewise.
3597 (reload_cse_simplify_set): Likewise.
3598 (reload_cse_simplify_operands): Likewise.
3599 (reload_cse_move2add): Likewise.
3600 * reorg.c (used_spill_regs): Delete declaration.
3601 (max_label_num_after_reload): Delete declaration.
3602 (find_dead_or_set_registers): Don't assume that spill regs are
3603 dead at a CODE_LABEL.
3604 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
3606 * sched.c (sched_analyze_insn): Likewise.
3607 (update_flow_info): Likewise.
3608 * haifa-sched.c (sched_analyze_insn): Likewise.
3609 (update_flow_info): Likewise.
3610 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
3611 * toplev.c (max_label_num_after_reload): Delete variable.
3612 (rest_of_compilation): Don't set max_label_num_after_reload.
3613 Call life_analysis after reload_cse_regs if optimizing.
3614 * config/gmicro/gmicro.h: Delete comment referring to
3615 PRESERVE_DEATH_INFO_REGNO_P.
3616 * config/i386/i386.h: Likewise.
3617 * config/m88k/m88k.h: Likewise.
3618 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
3619 * config/sh/sh.h: Likewise.
3621 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
3623 * loop.c (strength_reduce): Restore marking bct_p as
3625 * rs6000.c (optimization_options): Change #ifdef HAIFA to
3626 HAVE_decrement_and_branch_on_count.
3627 (small_data_operand): Remove TARGET_ELF condition for marking
3628 parameters ATTRIBUTE_UNUSED.
3630 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
3632 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
3633 (SELECT_SECTION): Resync with svr4.h.
3635 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
3637 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
3640 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
3642 * c-pragma.c (handle_pragma_token): Test for null tree before
3643 dereferencing TREE_CODE.
3645 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3647 * config/c4x/c4x.c: Convert to use GEN_INT.
3648 (c4x_parallel_process): Rework to handle new repeat loop structure.
3650 * config/c4x/c4x.md: Convert to use GEN_INT.
3651 (rptb_end): Convert to use GE test. Replace uses with clobbers.
3652 (decrement_and_branch_on_count): Likewise.
3654 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
3655 loop.c has the desired functionality.
3656 (rc_reg_operand): New prototype.
3658 * config/c4x/t-c4x: Can now build all front ends.
3660 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
3662 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
3664 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
3666 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
3667 * config/t-rtems: Do not install assert.h -- use newlib's.
3669 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3671 * combine.c (combine_instructions): When finished, call init_recog.
3672 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
3674 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
3676 * toplev.c: If flag_syntax_only, don't open or write assembler file.
3678 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3680 * cppalloc.c (memory_full): Mark function prototype with
3683 * demangle.h (collect_exit): Likewise.
3685 * fix-header.c (v_fatal, fatal): Likewise.
3687 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
3690 * gcov.c (print_usage): Likewise.
3692 * genattr.c (fatal, fancy_abort): Likewise.
3694 * genattrtab.c (fatal, fancy_abort): Likewise.
3696 * gencodes.c (fatal, fancy_abort): Likewise.
3698 * genconfig.c (fatal, fancy_abort): Likewise.
3700 * genemit.c (fatal, fancy_abort): Likewise.
3702 * genextract.c (fatal, fancy_abort): Likewise.
3704 * genflags.c (fatal, fancy_abort): Likewise.
3706 * genopinit.c (fatal, fancy_abort): Likewise.
3708 * genoutput.c (fatal, fancy_abort): Likewise.
3710 * genpeep.c (fatal, fancy_abort): Likewise.
3712 * genrecog.c (fatal, fancy_abort): Likewise.
3714 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
3715 __sjpopnthrow, __throw): Likewise.
3717 * objc/objc-act.c (objc_fatal): Likewise.
3719 * protoize.c (usage, aux_info_corrupted,
3720 declare_source_confusing): Likewise.
3722 * rtl.c (dump_and_abort): Likewise.
3724 * rtl.h (sets_cc0_p): Likewise.
3726 * toplev.c (float_signal, pipe_closed): Likewise.
3728 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3730 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
3731 when generating the decision tree for the general case.
3733 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
3734 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
3736 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3738 * Makefile.in (sched.o): Depend on recog.h.
3740 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
3741 (unsigned) when comparing against one.
3742 (find_base_value): Likewise.
3743 (record_base_value): Cast variable `regno' to (unsigned) when
3744 comparing against one. Cast the result of REGNO() macro to
3745 (unsigned) when comparing against one.
3746 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
3748 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
3749 variable where an unsigned index is needed.
3751 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
3752 before comparing against one.
3754 * collect2.c: Add prototypes for functions `error', `fatal' and
3755 `fatal_perror'. Make these functions take variable arguments
3756 instead of faking it with a fixed number of args.
3757 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
3760 * combine.c (can_combine_p): Mark parameter `pred' with
3762 (find_split_point): Cast variable `src' to (unsigned
3763 HOST_WIDE_INT) when comparing against one.
3764 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
3765 (simplify_logical): Likewise.
3766 (force_to_mode): Cast result of INTVAL() macro to (unsigned
3767 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
3768 HOST_WIDE_INT) in shift.
3769 (simplify_and_const_int): Cast result of INTVAL() macro to
3770 `unsigned HOST_WIDE_INT' when comparing against one.
3771 (merge_outer_ops): Cast variable const0 to `unsigned
3772 HOST_WIDE_INT' when comparing against the result of
3773 GET_MODE_MASK() macro.
3774 (simplify_comparison): Likewise for variable `c0'. Cast variable
3775 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
3776 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
3777 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
3778 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
3779 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
3780 comparing against one.
3781 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
3783 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
3784 macro to `unsigned HOST_WIDE_INT' when comparing against one.
3785 (output_block_move): Cast `sizeof' expression to (int) when
3786 comparing against one.
3787 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
3789 (save_restore_insns): Cast `base_offset' to `long' to match format
3790 specifier in fprintf.
3792 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
3793 to `enum machine_mode'.
3795 * flow.c (life_analysis_1): Remove unused variable `insn'.
3797 * gcc.c (translate_options): Move variables `j' and `k' into the
3798 scope in which they are used. Change their types to `size_t'.
3799 (set_spec): Cast the argument of ctype macro to `unsigned char'.
3800 (read_specs): Likewise.
3801 (process_command): Cast `sizeof' to (int) when comparing against one.
3802 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
3803 (handle_braces): Cast both sides of `==' expression to `long' to
3804 ensure sign matching.
3805 (main): Cast variable `i' to `int' when comparing against one.
3807 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
3808 int to size_t. Cast variable `i' to size_t when comparing against
3811 * genattrtab.c (convert_set_attr_alternative): Remove unused
3812 parameter `insn_code'. All callers changed.
3813 (convert_set_attr): Likewise.
3815 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
3816 size_t when comparing against one. Likewise for variable `len'.
3818 * global.c (global_alloc): Cast variable `max_regno' to size_t
3819 when comparing against one. Likewise for variable `max_allocno'.
3821 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
3823 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
3824 `set' with ATTRIBUTE_UNUSED.
3825 (find_free_reg): Cast `sizeof' expression to (int) when comparing
3828 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
3829 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
3830 (get_condition): Cast variable `const_val' to `unsigned
3831 HOST_WIDE_INT' when comparing against one. Cast unsigned
3832 expression to HOST_WIDE_INT when comparing against one.
3833 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
3834 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
3835 `unsigned' when comparing against one.
3837 * protoize.c (is_id_char): Change type of parameter `ch' to
3839 (munge_compile_params): Cast argument of ctype macro to (const
3841 (process_aux_info_file): Cast variable `aux_info_size' to int when
3842 comparing against one.
3843 (forward_to_next_token_char): Cast argument of ctype macro to
3844 `const unsigned char'.
3845 (edit_formals_lists): Likewise.
3846 (find_rightmost_formals_list): Likewise.
3847 (add_local_decl): Likewise.
3848 (add_global_decls): Likewise.
3849 (edit_fn_definition): Likewise.
3850 (do_cleaning): Likewise.
3851 (scan_for_missed_items): Likewise.
3852 (edit_file): Cast variable `orig_size' to (int) when comparing
3854 (main): Cast argument of ctype macro to `const unsigned char'.
3856 * recog.c (const_int_operand): Mark parameter `mode' with
3859 * regclass.c (record_reg_classes): Change type of variable `c' to
3860 `unsigned char'. Cast `char' array index to `unsigned char'.
3862 * reload.c (push_secondary_reload): Cast argument to
3863 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
3865 * reload1.c (calculate_needs): Cast `char' array index to
3867 (set_label_offsets): Change type of variable `i' to unsigned int.
3868 Cast result of XVECLEN() macro to unsigned when comparing against
3870 (mark_not_eliminable): Change type of variable `i' to unsigned.
3871 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
3872 when comparing against one.
3873 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
3874 comparing against one.
3875 (choose_reload_regs): Hide unused label `fail'.
3876 (reload_cse_simplify_operands): Cast `char' array index to
3878 (reload_combine_note_store): Mark parameter `set' with
3879 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
3881 (reload_cse_move2add): Remove unused variable `src2'.
3883 * sched.c: Include recog.h.
3884 (sched_note_set): Remove unused parameter `b'. All callers
3886 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
3887 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
3888 when comparing against one.
3890 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
3891 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
3892 comparing against one.
3894 * unroll.c (precondition_loop_p): Remove unused parameter
3895 `loop_end'. All callers changed.
3897 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3899 * reload1.c (maybe_fix_stack_asms): New static function.
3902 * reload.h (compute_use_by_pseudos): Declare.
3904 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
3905 (something_needs_reloads): Delete variable.
3906 (finish_spills): New function.
3907 (compute_use_by_pseudos): New function.
3909 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
3910 Use the reload_insn_chain instead of walking the rtl directly.
3912 (reload): Allocate and free spilled_pseudos.
3913 Ensure that all calls of spill_hard_reg are followed by a call to
3915 Use the insns_need_reload list instead of something_needs_reloads
3916 to find out if reload_as_needed must be called.
3917 Clear unused_insn_chains at the end.
3919 (calculate_needs_all_insns): Lose FIRST parameter. All callers
3921 Delete code to keep track of current basic block.
3922 Walk reload_insn_chain instead of the rtl structure. Build the
3923 insns_need_reload chain.
3924 Remember which insns need reloading/elimination by setting the
3925 appropriate fields in struct insn_chain, not by putting modes on the
3928 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
3929 arg INSN. All callers changed.
3930 Delete declaration of struct needs.
3931 Don't set something_needs_reloads.
3932 Record insn needs in the CHAIN argument.
3934 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
3936 (reload_as_needed): Lose FIRST arg. All callers changed.
3937 Walk the reload_insn_chain instead of the rtx structure.
3938 Delete code to keep track of current basic block.
3939 Rename one of the NEXT variables to OLD_NEXT.
3941 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
3943 (choose_reload_regs): Likewise.
3945 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
3948 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
3949 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
3950 (hard_regs_live, hard_regs_need_restore): Delete variables.
3951 (n_regs_saved): Now static.
3952 (referenced_regs, this_insn_sets): New variables.
3954 (setup_save_areas): Restructure the code a bit.
3956 (restore_referenced_regs): Delete function.
3957 (mark_referenced_regs): New function, similar to the old
3958 restore_referenced_regs, but mark registers in referenced_regs.
3960 (clear_reg_live): Delete function.
3961 (mark_set_regs): Renamed from set_reg_live. All callers changed.
3962 Only mark registers in this_insn_sets.
3964 (save_call_clobbered_regs): Rework this function to walk the
3965 reload_insn_chain instead of using the list of instructions directly.
3966 Delete code to keep track of register lives, compute live regs on the
3967 fly from information in the chain.
3968 Instead of calling restore_referenced_regs, use mark_referenced_regs,
3969 then walk the set it computes and call insert_restore as appropriate.
3971 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
3973 Restructure the code a bit. Test hard_regs_saved instead of
3974 hard_regs_need_restore.
3975 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
3976 args. All callers changed.
3977 Restructure the code a bit. Use TO_SAVE to determine which regs to
3978 save instead of more complicated test.
3979 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
3981 Create a new insn_chain structure for the new insn and place it
3984 * rtl.texi: Update documentation to reflect that reload no longer
3985 puts modes on the insns.
3987 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3989 * function.c (purge_addressof_1): Force the first argument of a
3990 CALL insn to memory.
3992 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
3994 * rtl.h: Delete duplicate prototypes. Add some missing
3996 * rtlanal.c: (for_each_rtx): Formatting tweak.
3998 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4000 * real.c (emdnorm and etoasc): Disable round to even for c4x target
4001 to be compatible with TI compiler.
4003 * Makefile.in (USER_H): Add va-c4x.h to definition.
4005 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
4007 * function.c (purge_addressof_1): Fix typo in inequality: do
4008 bitfield optimization for equal mode sizes.
4009 * expmed.c (store_bit_field): Don't take subregs of subregs in
4010 the movstrict case. Tidy a potential problem in the multi-word case.
4011 (extract_bit_field): Likewise.
4013 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4015 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
4017 Compute max_uid_for_flow by calling get_max_uid after the scan.
4018 (find_basic_blocks_1): Don't emit NOPs here.
4020 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
4022 * alias.c (base_alias_check): Accept new args for the modes of the
4023 two references. Use them to determine if an AND can overlap. Update
4025 (memrefs_conflict_p): Assume sizes are aligned, and uses them
4026 to determine if an AND can overlap.
4028 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
4030 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
4031 check. Add comment to document problems with TARGET_SUN_FPA version
4033 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
4035 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4037 * Makefile.in (gencheck.o): Depend on gansidecl.h.
4039 * c-common.c (print_char_table): Add missing initializers.
4040 (scan_char_table): Likewise.
4041 (time_char_table): Likewise.
4043 * c-decl.c (c_decode_option): Mark parameter `argc' with
4045 (declare_parm_level): Mark parameter `definition_flag' with
4048 * c-lex.c (readescape): Use `(unsigned)1' in shift.
4049 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
4052 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
4054 (emit_call_1): Mark parameters `fndecl' and `funtype' with
4056 (expand_call): Cast result of MIN() to (unsigned int) when
4057 comparing against an unsigned value.
4059 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
4061 (make_definition): Remove unused parameter `op'. All callers
4063 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
4064 comparing against the result of pointer arithmetic.
4066 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
4067 when comparing against one.
4069 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
4070 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
4072 (output_die): Move variable `i' into the scope in which it is
4073 used. Change its type to `unsigned'.
4074 (output_die): Cast the result of `strlen' to (int) when passing it
4075 to ASM_OUTPUT_ASCII().
4076 (output_pubnames): Likewise.
4077 (output_line_info): Likewise.
4079 * emit-rtl.c (global_rtl): Add missing initializers.
4081 * explow.c (promote_mode): Mark parameter `for_call' with
4084 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
4085 `unsigned HOST_WIDE_INT' when comparing against one.
4086 (synth_mult): Change type of variable `cost' to int.
4087 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
4089 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
4090 when comparing against one.
4091 (get_inner_reference): Change variable `alignment' to unsigned.
4092 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
4093 int) when comparing against one.
4094 (expand_builtin_setjmp): Change type of variable `i' to size_t.
4096 * fold-const.c (div_and_round_double): Cast BASE to
4097 (HOST_WIDE_INT) when comparing against one.
4099 * gencheck.c: Include gansidecl.h.
4100 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
4102 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
4103 `tcode' with ATTRIBUTE_UNUSED.
4105 * real.c (edivm): Cast constant value to (unsigned long) in
4106 expression compared against an unsigned value.
4108 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
4109 comparing against one.
4110 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
4111 when comparing against one.
4113 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
4114 (unsigned int) when comparing against one. Likewise for
4116 (smallest_mode_for_size): Likewise.
4117 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
4118 (restore_storage_status): Likewise.
4120 * toplev.c (debug_args): Add missing initializer.
4121 (f_options): Spelling correction. Add missing initializers.
4122 (documented_lang_options): Likewise.
4123 (debug_end_source_file): Mark parameter `lineno' with
4126 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
4127 `decl' and `type' with ATTRIBUTE_UNUSED.
4129 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
4130 when comparing against one.
4131 (assemble_variable): Mark parameter `top_level' with
4133 (assemble_external_libcall): Mark parameter `fun' with
4135 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
4138 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
4140 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
4141 Replace use of r5 with use of r19.
4143 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
4145 * config/v850/v850.c (compute_register_save_size): Allow for the
4146 fact that helper functions save all registers, not just those used
4149 Replace constant 31 with macro LINK_POINTER_REGNUM.
4151 * config/v850/v850.md: Use 'indirect_operand' rather than
4152 'memory_operand' for bit test/set/clear patterns.
4154 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
4156 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
4157 * varasm.c (assemble_start_function et al): Don't call
4158 ASM_GLOBALIZE_LABEL for weak symbols.
4160 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
4162 * cse.c (equiv_constant): Check for NULL return from
4163 gen_lowpart_if_possible().
4165 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
4167 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
4169 * collect2.c (main): Pass -EL/-EB through to the compiler.
4171 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4173 * expr.c (push_block): Handle targets where the stack grows
4174 to higher addresses, but args grow to lower addresses and
4175 ACCUMULATE_OUTGOING_ARGS is not defined.
4177 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
4179 * config/v850/v850.c (print_operand): Extend meaning
4180 of 'c' operands to support .vtinherit.
4182 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4184 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
4185 Added ATTRIBUTE_UNUSED to unused function arguments.
4186 (rc_reg_operand): New predicate.
4187 (c4x_rptb_insert): New function.
4188 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
4189 (c4x_optimization_options): New function.
4191 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
4192 (decrement_and_branch_on_count): New pattern.
4193 (rptb_top): Modified pattern to work with BCT optimization.
4195 * config/c4x/c4x.h (RC_REG): New register class.
4196 (rc_reg_operand): Define prototype.
4197 (IS_RC_REG): New macro.
4198 (IS_RC_OR_PSEUDO_REG): New macro.
4199 (IS_RC_OR_PSEUDO_REGNO): New macro.
4200 (OPTIMIZATION_OPTIONS): Define.
4202 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
4204 * collect2.c (extract_init_priority): No priority is 65535.
4206 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4208 * Makefile.in (build_tooldir): new variable, same as old
4209 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
4210 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
4211 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
4213 * configure.in (gxx_include_dir): set default based on unlibsubdir
4214 * Makefile.in (tooldir): ditto
4215 (cccp.o, cpplib.o): use unlibsubdir implicitly through
4216 gxx_include_dir, includedir and tooldir
4217 (protoize.o, unprotoize.o): ditto
4219 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
4221 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
4223 * config/arm/thumb.c (thumb_override_options): Add warning about
4224 PIC code not being supported just yet.
4226 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
4228 * flow.c: Update comment.
4229 (notice_stack_pointer_modification): New static function.
4230 (record_volatile_insns): Use it.
4231 (mark_regs_live_at_end): Mark the stack pointer as alive
4232 at the end of the function if current_function_sp_is_unchanging
4234 (life_analysis_1): Set current_function_sp_is_unchanging.
4235 * function.c: Define it.
4236 (init_function_start): Initialize it.
4237 * output.h: Declare it.
4238 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
4239 the stack pointer as alive at the end of the function if
4240 current_function_sp_is_unchanging is set.
4241 * i386.c (ix86_epilogue): Optimize the restoring
4242 of the stack pointer.
4244 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
4246 * version.c: Bump for snapshot.
4248 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
4250 * c-pragma.c (handle_pragma_token): If passed a token instead
4251 of a tree, use that as the pack value.
4253 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
4255 * flow.c (find_basic_blocks_1): Fix prototype.
4257 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
4259 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
4260 (struct tree_decl): New fields no_check_memory_usage.
4261 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
4262 (init_attributes): Register it as a new attribute.
4263 (decl_attributes): Set flags on functions given that attribute.
4264 * c-decl.c (duplicate_decls): Merge new attribute.
4265 * expr.h (current_function_check_memory_usage): Declare new var.
4266 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
4267 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
4268 current_function_check_memory_usage.
4269 * function.h: Add field to struct function.
4270 * function.c (current_function_check_memory_usage): Define it.
4271 (push_function_context_to, pop_function_context_from): Save and
4273 (expand_function_start): Set it, based on global flag and function
4276 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4277 check non-automatic variables, to permit detection of writes to
4278 read-only locations in embedded systems without memory management.
4279 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4280 when emitting chkr_set_right_libfunc call, even if the argument is
4281 BLKmode or variable-sized; don't abort.
4283 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
4284 symbols in Pmode, not VOIDmode.
4286 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4288 * cppexp.c: When forcing unsigned comparisons, cast both sides
4291 * cpphash.h: Move static declaration of hashtab[]...
4292 * cpphash.c: ...here.
4294 * cpplib.c: Cast difference of two pointers to size_t before
4295 comparing it to size_t. Cast signed to unsigned
4296 before comparing to size_t. (FIXME: struct argdata should use
4297 unsigned buffer sizes.)
4298 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
4299 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
4300 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
4301 size_t before comparison.
4303 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
4305 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
4306 (find_basic_blocks_1): Similarly.
4307 * output.h (find_basic_blocks): Fix prototype.
4308 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
4309 find_basic_blocks anymore.
4311 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
4313 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
4314 (sbitmap_free, sbitmap_vector_free): New macros.
4315 * output.h (rtl_dump_file): Declare.
4317 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
4319 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
4321 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4323 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
4325 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
4326 (divide): Remove unused variable `tmp'.
4327 (si_to_float): Cast numeric constant to (SItype) before comparing
4330 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
4332 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
4333 * gcc.c (add_preprocessor_option): Correct typo when allocating
4334 memory, sizeof() argument had one too many `*'.
4335 (add_assembler_option): Likewise.
4336 (add_linker_option): Likewise.
4337 * gcov.c (output_data): Likewise.
4338 * local-alloc.c (memref_used_between_p): Likewise.
4339 (update_equiv_regs): Likewise.
4340 * loop.c (strength_reduce): Likewise.
4341 * reg-stack.c (record_asm_reg_life): Likewise.
4342 (subst_asm_stack_reg): Likewise.
4343 * reorg.c (dbr_schedule): Likewise.
4345 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4347 * flow.c (life_analysis_1): Break out some functions.
4348 (find_basic_blocks_1): Likewise. Also move some variables out and
4350 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
4351 new static var nonlocal_label_list with it.
4352 (active_eh_region, nested_eh_region, label_value_list,
4353 nonlocal_label_list): New static variables.
4354 (make_edges, delete_unreachable_blocks, delete_block): New static
4355 functions, broken out of find_basic_blocks_1.
4356 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
4357 noop_move_p): New static functions, broken out of life_analysis_1.
4359 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
4361 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
4362 Take extra care for op0 now possibly being a subreg.
4363 (extract_bit_field): Likewise.
4364 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
4365 the reg to memory if there is no equal sized integral mode.
4366 * stor-layout.c (int_mode_for_mode): New function.
4367 * machmode.h: Prototype it.
4369 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
4371 * global.c (build_insn_chain): Verify no real insns exist past the
4372 end of the last basic block, then exit the loop.
4374 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4376 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
4378 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
4380 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
4382 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
4384 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
4386 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
4388 * flow.c (find_basic_blocks): Correctly determine when a call
4389 is within an exception region.
4391 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
4393 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
4395 * cpplib.h: Protect from multiple inclusions.
4396 * cpplib.c: Fix minor formatting problems.
4398 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
4400 * jump.c (jump_optimize): Revert accidental patch.
4402 * Makefile.in (cpplib.o): Use unlibsubdir.
4404 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
4406 * loop.c (get_condition): Allow combine when either compare is
4409 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
4411 * version.c: Bump for snapshot.
4413 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
4415 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
4416 (init_lex): Initialize ridpointers[RID_BYREF].
4417 * c-lex.h (enum rid): Add RID_BYREF.
4418 * c-parse.gperf: Add RID_BYREF as a type qualifier.
4419 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
4420 (encode_type_qualifiers): Similarly
4421 * c-gperf.h: Rebuilt.
4423 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
4425 * c-common.c (type_for_mode): Only return TItype nodes when
4426 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4427 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
4428 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4429 (init_decl_processing): Only create TItype nodes when
4430 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4431 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
4432 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4434 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4436 * stmt.c (n_occurrences): New static function.
4437 (expand_asm_operands): Verify that all constrains match in the
4438 number of alternatives.
4439 Verify that '+' or '=' are at the beginning of an output constraint.
4440 Don't allow '&' for input operands.
4441 Verify that '%' isn't written for the last operand.
4442 * reload.c (find_reloads): Abort if an asm is found with invalid
4443 constraints; all possible problems ought to be checked for earlier.
4445 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4447 * flags.h (flag_branch_on_count_reg): Always declare
4448 * toplev.c (flag_branch_on_count_reg): Likewise.
4449 * toplev.c: Fix typos.
4451 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
4454 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
4456 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
4458 (find_basic_blocks_1): Add a nop to the end of a basic block when
4459 a trailing call insn does not have abnormal control flow.
4460 * gcse.c (pre_transpout): New variable.
4461 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
4462 (compute_pre_transpout): Calculate it.
4463 (compute_pre_ppinout): Use it to eliminate impossible placements
4464 due to abnormal control flow through calls.
4465 (compute_pre_data): Call compute_pre_transpout.
4467 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4469 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
4471 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
4473 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
4474 and matching define_insns): Tack on a `use' of the table label, so
4475 flow analysis will recognize a tablejump.
4477 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
4479 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
4480 always end basic blocks for abnormal edge reasons.
4482 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
4484 * config/i386/i386.h: Remove definition of
4485 HANDLE_PRAGMA_PACK_PUSH_POP.
4487 * config/i386/go32.h: Add definition of
4488 HANDLE_PRAGMA_PACK_PUSH_POP.
4490 * config/i386/win32.h: Add definition of
4491 HANDLE_PRAGMA_PACK_PUSH_POP.
4493 * config/i386/cygwin32.h: Add definition of
4494 HANDLE_PRAGMA_PACK_PUSH_POP.
4496 * c-pragma.c (insert_pack_attributes): Do not insert
4497 attributes unless #pragma pack(push,<n>) is in effect.
4499 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
4501 * expr.c (emit_group_store): Handle a PARALLEL destination.
4503 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
4505 * gcse.c (pre_insert_insn): When a call ends a bb, insert
4506 the new insns before the argument regs are loaded.
4508 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4510 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
4511 (c-parse.gperf): Update comments describing invocation flags.
4512 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
4514 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
4516 * reload1.c (reload): Call free before clobbering the memory
4517 locations or constants pointers.
4519 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4521 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
4522 for efficiency by checking whether we need to modify the current
4523 stack permission at all.
4524 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
4525 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
4526 __enable_execute_stack libcall here too if
4527 TRANSFER_FROM_TRAMPOLINE is defined.
4528 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
4531 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
4533 * Makefile.in (DRIVER_DEFINES): Remove last change.
4535 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4537 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
4538 insns we're going to copy.
4539 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
4541 * loop.c (count_one_set): Add prototype.
4543 * caller-save.c (restore_referenced_regs): Lose mode argument.
4544 (insert_save): Lose mode argument.
4545 (insert_restore): Lose mode argument.
4546 (insert_one_insn): Lose mode argument.
4547 (save_call_clobbered_regs): Lose mode argument.
4548 (setup_save_areas): Take no argument and return void. All callers
4550 Don't verify validity of memory addresses.
4551 * reload.h (setup_save_ares): Adjust prototype.
4552 (save_call_clobbered_regs): Likewise.
4553 * reload1.c (delete_caller_save_insns): New function.
4554 (caller_save_spill_class): Delete variable.
4555 (caller_save_group_size): Delete variable.
4556 (reload): Call setup_save_areas and save_call_clobbered_regs
4557 in the main loop, before calling calculate_needs_all_insns.
4558 Don't call save_call_clobbered_regs after the loop.
4559 Call delete_caller_save_insns at the end of an iteration if
4561 Delete code to manage caller_save_spill_class.
4562 Emit the final note before setting reload_first_uid.
4563 Simplify test that determines whether reload_as_needed gets run.
4564 (calculate_needs): Delete code to manage caller_save_spill_class.
4566 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
4568 * collect2.c (main): Initialize ld_file_name.
4570 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
4572 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
4573 check for flag_function_sections.
4575 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4577 * cse.c (insert_regs): Fix bug in Sep 24 change.
4579 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4581 * flags.h (flag_dump_unnumbered): Declare.
4582 * toplev.c (flag_dump_unnumbered): Don't declare.
4583 * print-rtl.c (flags.h): Include.
4584 (print_rtl_single): Add return value.
4585 * rtl.h (print_rtl_single): Update declaration.
4586 * flow.c (flag_dump_unnumbered): Don't declare.
4587 (print_rtl_with_bb): Use return value of print_rtl_single.
4589 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4591 * loop.c (count_one_set): New static function, broken out of
4593 (count_loop_regs_set): Call it.
4594 * global.c (mark_reg_store): Handle clobbers here by not calling
4596 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
4597 is in fact a clobber.
4598 * integrate.c (process_reg_param): New function, broken out of
4599 expand_inline_function.
4600 (expand_inline_function): Call it.
4603 * i386.md (addsidi3_1): Delete unused variable temp.
4604 (addsidi3_2): Likewise.
4605 (clstrstrsi): Delete unused variable addr1.
4607 * rtl.h: Don't declare any functions also declared in recog.h.
4609 * Makefile.in (stupid.o): Update dependencies.
4610 (global.o): Likewise.
4612 * global.c: Include reload.h
4613 (reg_becomes_live): New function.
4614 (reg_dies): New function.
4615 (build_insn_chain): New function.
4616 (global_alloc): Call build_insn_chain before calling reload.
4618 * reload.h (struct needs): New structure definition.
4619 (struct insn_chain): Likewise.
4620 (reload_insn_chain): Declare variable.
4621 (new_insn_chain): Declare function.
4624 * reload1.c (reload_startobj): New variable.
4625 (reload_insn_chain): New variable.
4626 (unused_insn_chains): New variable.
4627 (new_insn_chain): New function.
4628 (init_reload): Initialize reload_startobj, not reload_firstobj.
4629 (reload): Initialize reload_firstobj.
4630 Before returning, free everything on the reload_obstack.
4632 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
4633 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
4634 current_chain): New variables.
4635 (reg_where_born): Delete variable.
4636 (REG_WHERE_BORN): New macro.
4637 (find_clobbered_regs): New function.
4638 (stupid_life_analysis): Don't allocate/free reg_where_born.
4639 Allocate and free reg_where_born_exact, reg_where_born_clobber,
4640 reg_where_dead_chain.
4641 Use REG_WHERE_BORN instead of reg_where_born.
4642 While processing the insns, build the reload_insn_chain with
4643 information about register lifetimes.
4644 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
4645 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
4647 Compute and information about birth and death of pseudo registers in
4648 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
4649 Delete code to set elements of reg_where_born.
4651 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4653 * tree.def (GOTO_EXPR): Modified documentation.
4654 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
4657 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
4659 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
4660 loop_final_value, loop_comparison_code): No longer static.
4661 (unroll_loop): Delete loop_start_value update.
4662 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
4663 loop_final_value, loop_comparison_code): Extern.
4664 (loop_start_value): Delete extern.
4665 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
4666 loop_comparison_value, loop_comparison_code): Delete.
4667 (loop_optimize): Remove initialization for deleted variables.
4668 (strength_reduce): Delete analyze_loop_iterations call. Only call
4669 insert_bct if flag_branch_count_on_reg set.
4670 (analyze_loop_iterations): Delete.
4671 (insert_bct): Remove iteration count calculation. Move checks for
4672 viable BCT optimization to here. Obtain iteration count from
4673 loop_iterations and correct for unrolling. Check for enough
4674 iteration to be beneficial. Comment out runtime iteration count
4676 (insert_bct): Print iteration count in dump file. Remove
4677 loop_var_mode and use word_mode directly.
4679 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
4680 * rs6000.c (rs6000_override_options): Use it.
4681 (optimization_options): Enable use of flag_branch_on_count_reg.
4682 * rs6000.md (define_function_unit): Describe 604e.
4684 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4686 * loop.c (move_movables): Corrected threshold calculation for
4687 moved_once registers.
4689 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4691 * loop.c (combine_givs_p): Fix test for identical givs.
4693 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
4695 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
4696 call abort if the function is already defined.
4698 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
4700 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
4701 truncation is not a no-op.
4703 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
4705 * version.c: Bump for snapshot.
4707 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
4709 * version.c: Bump for snapshot.
4711 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
4713 * expmed.c (expand_divmod): Don't widen for computing remainder
4714 if we seem to have a divmod pattern for needed mode.
4716 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4718 * cpplib.c (macroexpand): Correct off-by-one error in handling
4721 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
4723 * combine.c (expand_field_assignment): Don't do bitwise operations
4724 on MODE_FLOAT; pun to MODE_INT if possible.
4726 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
4727 scott snyder <snyder@d0sgif.fnal.gov>
4729 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
4730 linker. Recognize mangled names in quotes.
4732 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4734 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
4735 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
4736 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
4737 (lshrsi3_extend, lshrsi3_extend2): Ditto.
4739 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4741 * function.c (purge_addressof_1): If trying to take a sub-word
4742 integral piece of a floating point mode, put it on the stack.
4744 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
4746 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
4748 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
4750 * PROJECTS: Remove template friends.
4752 * collect2.c (sort_ids): Remove unused variable.
4754 * tm.texi (MATH_LIBRARY): Document.
4755 (NEED_MATH_LIBRARY): Remove.
4757 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
4758 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
4760 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
4762 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
4763 last_end to 0x7fffffff.
4765 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4767 * function.c (purge_addressof_1): Do not perform endianness
4768 corrections on bitpos, who we call will do it for us.
4770 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
4772 * h8300.c (WORD_REG_USED): Fix typo.
4773 (initial_offset): Use WORD_REG_USED.
4775 * h8300.c (handle_pragma): Fix typo.
4777 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4779 * caller-save.c (insert_save_restore): Break this function up
4780 into new functions insert_restore, insert_save and insert_one_insn.
4781 All callers changed.
4782 (insert_restore): New function, mostly broken out of
4783 insert_save_restore.
4784 (insert_save): Likewise.
4785 (insert_one_insn): Likewise.
4786 (restore_referenced_regs): New argument BLOCK. All callers changed.
4787 (save_call_clobbered_regs): Don't keep track of basic block boundaries
4788 in this function, do it in insert_one_insn instead.
4790 * reload1.c (reload): Break out some more pieces into separate
4792 (dump_needs): New function, broken out of reload.
4793 (set_initial_elim_offsets): Likewise.
4794 (init_elim_table): Likewise.
4795 (update_eliminables): Likewise.
4797 * global.c (global_alloc): Delete code to manage the scratch_list.
4798 * local-alloc.c (qty_scratch_rtx): Delete.
4799 (scratch_block): Delete.
4800 (scratch_list): Delete.
4801 (scratch_list_length): Delete.
4802 (scratch_index): Delete.
4803 (alloc_qty_for_scratch): Delete.
4804 (local-alloc): Update initialization of max_qty.
4805 Delete code to manage the scratch list.
4806 Delete code to allocate/initialize qty_scratch_rtx.
4807 (block_alloc): Don't allocate quantities for scratches.
4808 Delete code to manage the scratch list.
4809 * regs.h (scratch_list): Delete declaration.
4810 (scratch_block): Delete declaration.
4811 (scratch_list_length): Delete declaration.
4812 * reload1.c (reload): Delete code to manage the scratch list.
4813 (spill_hard_reg): Likewise.
4814 (mark_scratch_live): Delete.
4816 * recog.c (alter_subreg): Delete declaration.
4818 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
4820 * Makefile.in (cccp.o): Fix typo in last patch.
4822 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4824 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
4825 * config/sh/lib1funcs.asm (___set_fpscr): Add.
4827 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
4829 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
4830 NULL_RTX as an argument.
4832 * Makefile.in (unlibsubdir): Define.
4833 (DRIVER_DEFINES): Use unlibsubdir.
4834 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
4835 (stmp-fixinc): Similarly.
4837 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4839 * regmove.c (regmove_optimize): Add variable old_max_uid.
4840 At the end of the function, update basic_block_end.
4842 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4844 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
4845 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
4848 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
4850 * config/arm/arm.c: Improve interworking support.
4852 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4854 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
4855 copied from reload_out[r] .
4857 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
4859 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
4860 with more than three size ranges.
4862 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
4864 * rtl.c (mode_name): Add a null string at the end of the array.
4865 (mode_wider_mode): Change type to unsigned char.
4866 (mode_mask_array): New variable.
4867 (init_rtl): Update for mode_wider_mode type change.
4869 * rtl.h (mode_wider_mode): Change type to unsigned char.
4870 (mode_mask_array): Declare.
4871 (GET_MODE_MASK): Use mode_mask_array.
4873 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
4875 * calls.c (expand_call) : Encapsulate code into
4876 copy_blkmode_from_reg.
4877 * expr.c (copy_blkmode_from_reg): New function.
4878 * expr.h (copy_blkmode_from_reg): New function.
4879 * integrate.c (function_cannot_inline_p): We can inline
4881 (expand_inline_function): Use copy_blkmode_from_reg
4882 if needed. Avoid creating BLKmode REGs.
4883 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
4886 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
4888 * config/v850/v850.c: Add function prototypes.
4889 Add support for v850 special data areas.
4891 * config/v850/v850.h: Add support for v850 special data areas.
4893 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
4894 HANDLE_PRAGMA_PACK_PUSH_POP.
4895 (push_alignment): New function: Cache an alignment requested
4896 by a #pragma pack(push,<n>).
4897 (pop_alignment): New function: Pop an alignment from the
4899 (insert_pack_attributes): New function: Generate __packed__
4900 and __aligned__ attributes for new decls whilst a #pragma pack
4902 (add_weak): New function: Cache a #pragma weak directive.
4903 (handle_pragma_token): Document calling conventions. Add
4904 support for #pragma pack(push,<n>) and #pragma pack (pop).
4906 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
4907 are defined enable HANDLE_PRAGMA_PACK.
4908 Move 'struct weak_syms' here (from varasm.c).
4909 Add pragma states for push and pop pragmas.
4911 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
4914 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
4915 HANDLE_GENERIC_PRAGMAS.
4917 * varasm.c: Move definition of 'struct weak_syms' into
4919 (handle_pragma_weak): Deleted.
4921 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
4923 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
4925 * c-decl.c (start_function): Add invocation of
4926 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
4928 * tm.texi: Remove description of non-existant macro
4929 SET_DEFAULT_SECTION_NAME.
4931 (HANDLE_SYSV_PRAGMA): Document.
4932 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
4934 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
4936 * config.sub: Recognize i[34567]86-pc-udk as new target.
4937 * configure.in: Likewise.
4938 * config/i386/t-udk: New file.
4939 * config/i386/udk.h: New file.
4941 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
4943 * reorg.c (check_annul_list_true_false): Remove unused variables.
4944 (steal_delay_list_from_target): Add missing "used_annul" variable.
4945 (try_merge_delay_insns): Close out half formed comment.
4947 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4949 * cpplib.c (macroexpand): If arg->raw_before or
4950 arg->raw_after, remove any no-reexpansion escape at the
4951 beginning of the pasted token. Correct handling of whitespace
4952 markers and no-reexpand markers at the end if arg->raw_after.
4954 * toplev.c (documented_lang_options): Recognize -include,
4955 -imacros, -iwithprefix, -iwithprefixbefore.
4956 * cpplib.c (cpp_start_read): Process -imacros and -include
4957 switches at the same time and in command-line order, after
4958 initializing the dependency-output code. Emit properly nested
4959 #line directives for them. Emit a #line for the main file
4960 before processing these switches, and don't do it again
4963 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
4965 * function.c (purge_addressof_1): Use bitfield manipulation
4966 routines to handle mem mode < reg mode.
4968 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4970 * reorg.c (try_merge_delay_insns): Account for resources referenced
4971 in each instruction in INSN's delay list before trying to eliminate
4972 useless instructions. Similarly when looking at a trial insn's delay
4975 * reorg.c (check_annul_list_true_false): New function.
4976 (steal_delay_list_from_{target,fallthrough}): Call it and also
4977 refine tests for when we may annul if already filled a slot.
4978 (fill_slots_from_thread): Likewise.
4979 (delete_from_delay_slot): Return newly-created thread.
4980 (try_merge_delay_isns): Use its new return value.
4982 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
4984 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
4985 used to compute a giv or as some other non-counting use.
4987 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4989 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
4990 * local-alloc.c (find_free_reg): Use it.
4991 * global.c (find_reg): Likewise.
4992 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
4994 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
4995 * caller-save.c (init_caller_save): Use it.
4996 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
4998 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5000 * configure.in: Add --enable-cpplib option which uses cpplib
5001 for cpp, but doesn't link cpplib into cc1. Make help text
5002 capitalization consistent.
5003 * configure: Rebuilt.
5005 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
5007 * function.c (gen_mem_addressof): If the address REG is
5008 REG_USERVAR_P make the new REG be so also.
5009 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
5010 in an attempt to clarify slightly.
5012 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
5014 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
5015 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
5017 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
5019 * toplev.c: Fix last patch.
5021 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
5023 * loop.c (get_condition): Fix typo in May 9 change.
5025 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5027 * invoke.texi (-fexceptions): Merge 2 different descriptions.
5029 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5031 * toplev.c (documented_lang_options): Spelling corrections.
5033 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5035 * configure.in: new flags --with-ld and --with-as, equivalent
5036 to setting LD and AS environment variables. Test whether
5037 specified arguments are GNU commands, and report them with
5038 checking messages. Use the specified AS for configure
5041 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
5043 * gcc.c (find_a_file): when looking for `as' and `ld', return
5044 the DEFAULT program if it exists
5045 * collect2.c (main): use DEFAULT_LINKER if it exists
5047 * gcc.c (find_a_file): the test for existence of a full
5048 pathname was reversed
5050 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
5052 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
5053 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
5055 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
5057 * tree.h (TYPE_BINFO): Document.
5059 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
5061 * i386-coff.h (dbxcoff.h): Added.
5063 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
5065 * toplev.c: fix bad patch around flag_data_sections.
5067 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
5069 * reload1.c (reload): Use reload_address_index_reg_class and
5070 reload_address_base_reg_class when setting
5071 caller_save_spill_class. (Patch generated by Jim Wilson:
5074 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
5076 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
5077 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
5078 * expr.c (store_field): Add alias_set parameter. Set the
5079 MEM_ALIAS_SET accordingly, if the target is a MEM.
5080 (expand_assignment): Use it.
5081 (store_constructor_field): Pass 0.
5082 (expand_expr): Likewise.
5084 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
5086 * flags.h: Add flag_data_sections.
5087 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
5088 (compile_file): Error if flag_data_sections not supported.
5089 * varasm.c (assemble_variable): Handle flag_data_sections.
5090 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
5091 * config/mips/elf.h: Likewise.
5092 * config/mips/elf64.h: Likewise.
5093 * invoke.texi: Describe -fdata-sections.
5095 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
5097 * invoke.texi (-ffloat-store): Clarify that this option
5098 does not affect intermediate results -- only variables.
5100 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
5102 * cpp.texi: Update for Fortran usage from Craig.
5104 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5106 * rs6000.c (function_arg_boundary): Revert accidental change on
5109 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
5111 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
5112 (output_mi_thunk): Declare.
5114 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
5115 (output_function_profiler): Use r12 for temp, instead of r11 so
5116 that we preserve the static chain register.
5118 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
5120 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
5122 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5124 * sh.c (gen_shl_sext): Fix case 5.
5126 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5128 * reload1.c (reload_combine): Re-add line that got accidentally lost.
5130 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5132 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
5133 accessing variables until they are initialized via va_arg().
5135 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5137 * reload1.c (reload_combine): Initialize set before using.
5139 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
5141 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
5144 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
5146 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
5147 operand3 with mask before using it. Patch provided by Jim Wilson.
5149 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5151 * config/sparc/sparc.c (function_value): Perform the equivalent of
5152 PROMOTE_MODE for ARCH64.
5153 (eligible_for_epilogue_delay): Allow DImode operations in delay
5154 slot of a return for ARCH64.
5156 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5158 * sh.md (sqrtsf2): Fix mode of sqrt.
5160 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5162 * reload1.c (choose_reload_regs): Also try inheritance when
5163 reload_in is a stack slot of a pseudo, even if we already got a
5166 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5168 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
5169 (reload_cse_regs): New function body: call reload_cse_regs_1,
5170 reload_combine, reload_cse_move2add.
5171 When doing expensive_optimizations, call reload_cse_regs_1 a
5172 second time after reload_cse_move2add.
5173 (reload_combine, reload_combine_note_store): New functions.
5174 (reload_combine_note_use): New function.
5175 (reload_cse_move2add, move2add_note_store): New functions.
5177 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5179 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
5180 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
5182 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
5183 more than 3 such reloads.
5185 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
5186 RELOAD_FOR_X_ADDR_ADDR reload.
5188 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5190 * expr.c (store_constructor): When initializing a field that is smaller
5191 than a word, at the start of a word, try to widen it to a full word.
5193 * cse.c (cse_insn): When we are about to change a register,
5194 remove any invalid references to it.
5196 (remove_invalid_subreg_refs): New function.
5197 (mention_regs): Special treatment for SUBREGs.
5198 (insert_regs): Don't strip SUBREG for call to mention_regs.
5199 Check if reg_tick needs to be bumped up before that call.
5200 (lookup_as_function): Try to match known word_mode constants when
5201 looking for a norrower constant.
5202 (canon_hash): Special treatment for SUBREGs.
5204 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5206 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
5207 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
5208 defined, emit libcall to __enable_execute_stack. Also fix opcodes
5209 and offsets in actual stack trampoline code so they match the
5210 commentary and actually work.
5212 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5214 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
5216 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
5217 tmake_file. Set extra_parts to needed crt objects.
5218 * configure: Rebuilt.
5219 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
5220 (TARGET_DEFAULT): Set if default is v9 or ultra.
5221 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
5222 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
5223 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
5224 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
5225 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
5226 (TARGET_VERSION): Define.
5227 (MULTILIB_DEFAULT): Define.
5228 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
5229 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
5230 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
5232 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
5233 * config/sparc/sparc.c (sparc_override_options): If arch and
5234 pointer size disagree, emit diagnostic and fix it up. If
5235 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
5236 V8PLUS in 64-bit mode.
5237 * config/sparc/t-linux64: New file.
5238 * config/sparc/t-sol2-64: New file.
5239 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
5240 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
5241 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
5242 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
5243 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
5244 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
5246 (STARTFILE_SPEC): Set approriately based upon those.
5247 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
5248 disposition of DEFAULT_ARCH32_P.
5249 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
5250 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
5251 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
5252 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
5253 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
5255 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
5257 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
5259 * rtl.h (init_virtual_regs): New function.
5260 * emit-rtl.c (init_virtual_regs): Define.
5261 (insn_emit): Use it.
5262 * integrate.c (save_for_inline_copying): Likewise.
5264 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
5266 * config/arm/thumb.h: The following patches were made by Jim Wilson:
5267 (enum reg_class): Add NONARG_LO_REGS support.
5268 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5269 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
5270 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
5271 completes. Re-enable HImode REG+OFFSET addresses.
5272 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5274 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5276 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5278 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5279 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5280 (alpha_align_insns): Properly calculate initial offset wrt max_align.
5282 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
5284 * arm.c (find_barrier): Revert change of Apr 23. Handle table
5285 jumps as a single entity, taking into account the size of the
5288 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5290 * tree.def (SWITCH_EXPR): New tree node definition.
5292 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
5294 * version.c: Bump for snapshot.
5296 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
5298 * version.c: Bump for snapshot.
5300 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
5302 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
5305 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
5307 * Revert this patch.
5308 * reload.c (find_reloads): Do not replace a pseudo with
5309 (MEM (reg_equiv_addr)) in the initializing insn for the
5312 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
5314 * final.c (final_scan_insn): Disable tracking CC across branches.
5316 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5318 * expr.h (eh_rtime_match_libfunc): New extern declaration.
5319 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
5320 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
5321 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
5322 NULL. Only include <stdio.h> if inhibit_libc is not defined.
5324 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
5326 * toplev.c (rest_of_compilation): Skip compiling anything with
5327 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
5329 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
5331 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
5332 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
5333 use in_libcall_block.
5334 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
5335 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
5338 Mon Sep 21 14:02:23 1998
5340 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
5341 typo in no-fancy-math-387 description.
5343 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
5345 * version.c: Bump for snapshot.
5347 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
5349 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
5351 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
5353 * i386.h: (TARGET_SWITCHES) Add description fields for flags
5354 documented in install.texi.
5355 (TARGET_OPTIONS) Likewise.
5357 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
5359 * version.c: Bump for snapshot.
5361 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
5363 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
5364 * cccp.c (main): Likewise.
5366 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
5367 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
5370 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
5372 * Makefile.in (LIBS): Link in libiberty.a.
5373 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
5375 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
5377 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
5378 it to update bb boundaries. Update caller.
5379 * function.c (reposition_prologue_and_epilogue_notes): Update
5380 bb boundaries wrt the moved note.
5382 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
5384 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
5386 * configure: Regenerate.
5388 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
5390 * alpha.c (alpha_sr_alias_set): New variable.
5391 (override_options): Set it.
5392 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
5393 (mode_mask_operand): Fix signed-unsigned comparision warning.
5394 (alpha_expand_block_move): Likewise.
5395 (print_operand): Likewise.
5396 (get_aligned_mem): Use change_address.
5397 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
5398 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
5399 (alphaev4_next_nop, alphaev5_next_nop): New functions.
5400 (alpha_align_insns): Remade from old alphaev5_align_insns
5401 to handle multiple processors.
5402 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
5403 * output.h (label_to_alignment): Prototype.
5405 * tree.c (new_alias_set): New function.
5406 * tree.h (new_alias_set): Declare it.
5407 * c-common.c (c_get_alias_set): Use it.
5409 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
5411 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
5412 to an ABS expr, convert an unsigned input to signed.
5414 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
5416 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
5418 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5420 * configure.in: Add support for c4x targets.
5421 * configure: Rebuilt.
5423 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
5425 * combine.c (distribute_notes): If an insn is a cc0 user, only
5426 delete it if we can also delete the cc0 setter.
5428 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
5430 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
5431 (invert_truthvalue): Enable truthvalue inversion for
5432 floating-point operands if -ffast-math.
5434 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
5436 * configure.in: Disable collect2 for nextstep. Instead use
5438 * configure: Rebuilt.
5439 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
5440 (ENDFILE_SPEC): Define.
5441 (OBJECT_FORMAT_MACHO): Define.
5442 (EH_FRAME_SECTION_ASM_OP): Define.
5443 * crtstuff.c: Handle MACHO.
5445 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
5447 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
5449 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
5451 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
5452 (_fpadd_parts): Get sign right for 0.
5454 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5456 * ginclude/varargs.h: Add support for C4x target.
5457 * ginclude/stdargs.h: Likewise.
5459 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
5461 * alpha.c (alpha_return_addr): SET should be VOIDmode.
5462 (alpha_emit_set_long_const): Rewrite to be callable from reload
5464 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
5465 * alpha.md (movdi): Likewise.
5467 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
5469 * arm.c (add_constant): New parameter address_only, change caller.
5470 Set it non-zero if taking the address of an item in the pool.
5471 (arm_reorg): Handle cases where we need the address of an item in
5474 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
5476 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
5477 memory addresses that are not in standard canonical form.
5479 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
5481 * README.C4X: New file with information about the c4x ports.
5482 * ginclude/va-c4x.h: New file for c4x varargs support.
5483 * config/c4x: New directory with c4x port files.
5485 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
5487 * reload.c (find_reloads): Do not replace a pseudo with
5488 (MEM (reg_equiv_addr)) in the initializing insn for the
5491 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
5493 * toplev.c (rest_of_compilation): Set bct_p on second call to
5495 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
5497 (strength_reduce): Only call analyze_loop_iterations and
5498 insert_bct if bct_p set.
5499 (check_dbra_loop): Fix typo.
5500 (insert_bct): Use word_mode instead of SImode.
5501 (instrument_loop_bct): Likewise. Do not delete iteration count
5502 condition code generation insn. Initialize iteration count before
5504 * rtl.h (loop_optimize): Update prototype.
5506 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
5507 not doubleword aligned.
5509 * rs6000.c (optimization_options): New function.
5510 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
5511 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
5512 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
5513 first; cr1 can be used for FP record condition insns.
5515 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
5517 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
5520 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
5523 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
5525 (block_move_call): New function: Call a library routine to copy a
5527 (m32r_expand_block_move): New function: Expand a "movstrsi"
5528 pattern into a sequence of insns.
5529 (m32r_output_block_move): New function: Expand a
5530 "movstrsi_internal" pattern into a sequence of assembler opcodes.
5531 (m32r_block_immediate_operand): New function: Return true if the
5532 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
5534 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5536 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
5538 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
5540 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5542 * regmove.c (copy_src_to_dest): Check that modes match.
5544 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
5546 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
5548 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
5550 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
5551 narrower than FLOAT_REGS.
5553 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5555 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
5557 * Makefile.in (old_gxx_include_dir): removed
5559 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
5561 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
5564 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
5565 (sh_handle_pragma): Change function arguments to match new
5566 specification for HANDLE_PRAGMA.
5568 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5570 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
5572 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
5573 When generating output, initialize missing struct member to zero.
5575 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5577 * regmove.c (copy_src_to_dest): Don't copy if that requires
5578 (a) new register(s).
5580 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5582 * global.c (reg_allocno): Now static.
5583 * reload1.c (reg_allocno): Delete declaration.
5584 (order_regs_for_reload): Take no arguments. Don't treat regs
5585 allocated by global differently than those allocated by local-alloc.
5587 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
5589 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
5590 condition, fix format strings.
5591 (output_function_epilogue): Likewise.
5593 * m68k/m68k.c: Don't include <stdlib.h> directly.
5595 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
5597 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
5598 mem_first_set, mem_last_set; because 0 can be a CUID.
5599 (oprs_unchanged_p): Use new definition.
5600 (record_last_reg_set_info): Likewise.
5601 (record_last_mem_set_info): Likewise.
5602 (compute_hash_table): Likewise.
5604 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
5606 * rs6000.c (output_epilogue): Handle Chill.
5608 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5609 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5611 * combine.c (make_extraction): If no mode is specified for
5612 an operand of insv, extv, or extzv, default it to word_mode.
5613 (simplify_comparison): Similarly.
5614 * expmed.c (store_bit_field): Similarly.
5615 (extract_bit_field): Similarly.
5616 * function.c (fixup_var_regs_1): Similarly.
5617 * recog.c (validate_replace_rtx_1): Similarly.
5618 * mips.md (extv, extzv, insv expanders): Default modes for most
5619 operands. Handle TARGET_64BIT.
5620 (movdi_uld, movdi_usd): New patterns.
5622 * pa.c (emit_move_sequence): Do not replace a pseudo with its
5623 equivalent memory location unless we have been provided a scratch
5624 register. Similarly do not call find_replacement unless a
5625 scratch register has been provided.
5627 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5629 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
5632 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
5634 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
5635 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
5636 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
5637 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
5638 * c-decl.c (init_decl_processing): Update accordingly.
5639 * expr.c (expand_builtin): Likewise.
5641 * rtl.h (global_rtl): Add cfa entry.
5642 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
5643 (LAST_VIRTUAL_REGISTER): Update.
5644 * emit-rtl.c (global_rtl): Add cfa entry.
5645 (init_emit): Initialize it.
5646 * function.c (cfa_offset): New.
5647 (instantiate_virtual_regs): Initialize it.
5648 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
5649 (expand_function_end): Call expand_eh_return.
5650 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
5652 * except.c (current_function_eh_stub_label): Kill.
5653 (current_function_eh_old_stub_label): Likwise; update all references.
5654 (expand_builtin_set_return_addr_reg): Kill.
5655 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
5656 (expand_builtin_set_eh_regs): Kill.
5657 (eh_regs): Produce a third reg for the actual handler address.
5658 (eh_return_context, eh_return_stack_adjust): New.
5659 (eh_return_handler, eh_return_stub_label): New.
5660 (init_eh_for_function): Initialize them.
5661 (expand_builtin_eh_return, expand_eh_return): New.
5662 * except.h: Update prototypes.
5663 * flow.c (find_basic_blocks_1): Update references to the stub label.
5664 * function.h (struct function): Kill stub label elements.
5666 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
5667 register number is one that would be in the previous window.
5668 Provide a dummy definition for non-windowed targets.
5669 (get_reg_addr): New function.
5670 (get_reg, put_reg, copy_reg): Use it.
5671 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
5672 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
5674 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
5675 (alpha_init_expanders): Initialize it.
5676 (alpha_expand_epilogue): Use it.
5677 * alpha.h: Declare it.
5678 * alpha.md (eh_epilogue): New.
5680 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
5681 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
5683 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
5685 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
5688 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5690 * except.h (struct eh_entry): Add false_label field.
5691 (end_catch_handler): Add prototype.
5692 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
5693 (start_catch_handler): When using old style exceptions, issue
5694 runtime typematch code before continuing with the handler.
5695 (end_catch_handler): New function, generates label after handler
5696 if needed by older style exceptions.
5697 (expand_start_all_catch): No need to check for new style exceptions.
5698 (output_exception_table_entry): Only output the first handler label
5699 for old style exceptions.
5700 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
5701 mechanism into one function, if a runtime matcher is provided.
5703 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5705 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
5707 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
5709 * integrate.c (copy_decl_list): Fix typo.
5711 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5713 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
5716 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
5718 * version.c: Bump for snapshot.
5720 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
5722 * version.c: Bump for snapshot.
5724 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
5726 * version.c: Bump for snapshot.
5728 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5730 * invoke.texi (C Dialect Options): Put back missing @end itemize.
5732 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5734 * configure.in: remove usage of `!' to negate the result of a
5735 command; some common shells do not support it
5737 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5739 * configure.in: in sparc9-sol2 config, use 'if test' not
5741 * configure: Rebuilt.
5743 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
5745 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
5746 (CPP_CPU_DEFAULT_SPEC): Likewise.
5747 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
5748 for arch64 libfuncs.
5750 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
5753 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5755 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
5757 * collect2.c: Don't declare `sys_siglist' here.
5758 (my_strsignal): Prototype and define new function. Use it in
5759 place of `sys_siglist' hacks.
5761 * mips_tfile.c: Likewise.
5763 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
5764 (GCC_NEED_DECLARATIONS): Likewise.
5766 * system.h (strsignal): Prototype it, if necessary.
5767 (sys_siglist): Declare it, if necessary.
5769 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5771 * loop.c (move_movables): While removing insn sequences, preserve
5772 the next pointer of the most recently deleted insn when we skip
5775 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
5777 * objc/config-lang.in: Do not output the name of the selected
5778 thread file when building the front-end. The Makefile for the
5779 runtime library will do this.
5781 * objc/Make-lang.in: Do not build the runtime library or install
5782 the Objective C header files. The Makefile for the runtime
5783 library will do this.
5785 * objc/Makefile.in (all.indirect): Only build the front-end.
5786 (compiler): Rename to `frontend'.
5787 (obj-runtime): Remove target.
5788 (copy-headers): Likewise.
5789 (clean): No need to remove `libobjc.a' any longer.
5791 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
5793 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
5794 supported with -mcpu=xxx.
5796 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5798 * flow.c (mark_set_1): Recognize multi-register structure return
5799 values in CALL insns.
5800 (mark_used_regs): Likewise.
5801 (count_reg_sets_1): Likewise.
5802 (count_reg_references): Likewise.
5803 * rtlanal.c (note_stores): Likewise.
5804 (reg_overlap_mentioned_p): Likewise.
5805 * haifa-sched.c (check_live_1): Likewise.
5806 (update_live_1): Likewise.
5807 (sched_analyze_1): Likewise.
5808 (sched_note_set): Likewise.
5809 (birthing_insn_p): Likewise.
5810 (attach_deaths): Likewise.
5812 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
5815 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
5817 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
5819 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5821 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
5823 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5825 * configure.in: Add check for GAS subsection -1 support.
5826 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
5827 * configure config.in: Rebuilt.
5828 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
5829 SImode is subsection -1 works, else use DImode.
5830 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
5831 subsection -1 works.
5832 * config/sparc/sparc.c (sparc_output_addr_vec,
5833 sparc_output_addr_diff_vec): Use them if defined.
5835 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
5837 * tree.h (DECL_ORIGIN): New macro.
5838 * integrate.c (copy_and_set_decl_abstract_origin): New function.
5839 (copy_decl_list): Use it.
5840 (integrate_parm_decls): Likewise.
5841 (integrate_decl_tree): Likewise.
5842 * dwarf2out.c (decl_ultimate_origin): Simplify.
5843 * dwarfout.c (decl_ultimate_origin): Likewise.
5844 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
5845 (pushdecl): Likewise.
5847 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
5849 * config/rs6000/rs6000.c (output_epilog): Add Java support.
5851 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
5853 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
5855 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
5857 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
5858 empty or has a single entry.
5860 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
5861 before calling reg_to_stack.
5863 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
5865 * alpha.c (alphaev5_insn_pipe): Abort on default case.
5866 (alphaev5_next_group): Swallow CLOBBERs and USEs.
5868 * c-tree.h (warn_long_long): Declare it.
5870 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
5872 * emit-rtl.c (gen_lowpart_common): Disable optimization of
5873 initialized float-int union if the value is a NaN.
5875 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
5877 * c-lex.c (real_yylex): Don't warn about long long constants if
5878 we're allowing long long
5880 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5882 * except.h (current_function_eh_stub_label): Declare.
5883 (current_function_eh_old_stub_label): Declare.
5884 * function.h (struct function): New members eh_stub_label and
5886 * except.c (current_function_eh_stub_label): New variable.
5887 (current_function_eh_old_stub_label): New variable.
5888 (init_eh_for_function): Clear them.
5889 (save_eh_status): Save them.
5890 (restore_eh_status): Restore them.
5891 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
5892 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
5893 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
5894 make an edge from the block that contains it to the block starting
5895 with the label if this label is one of the eh stub labels.
5896 If eh stub labels exist, show they are reachable from the last block
5899 * reload1.c (reload): Break out several subroutines and make some
5901 (calculate_needs_all_insns): New function, broken out of reload.
5902 (calculate_needs): Likewise.
5903 (find_reload_regs): Likewise.
5904 (find_group): Likewise.
5905 (find_tworeg_group): Likewise.
5906 (something_needs_reloads): New global variable, formerly in reload.
5907 (something_needs_elimination): Likewise.
5908 (caller_save_spill_class): Likewise.
5909 (caller_save_group_size): Likewise.
5910 (max_needs): Likewise.
5911 (group_size): Likewise.
5912 (max_groups): Likewise.
5913 (max_nongroups): Likewise.
5914 (group_mode): Likewise.
5915 (max_needs_insn): Likewise.
5916 (max_groups_insn): Likewise.
5917 (max_nongroups_insn): Likewise.
5918 (failure): Likewise.
5920 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
5922 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
5924 * loop.c (load_mems): Copy rtx for output mem.
5926 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
5928 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
5929 mips1 or mips2 either.
5931 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
5933 * pa.c (pa_reorg): New marking scheme for jumps inside switch
5935 (pa_adjust_insn_length): Update to work with new marking scheme
5936 for jumps inside switch tables.
5937 * pa.md (switch_jump): Remove pattern.
5938 (jump): Handle jumps inside jump tables.
5940 * Makefile.in (profile.o): Depend on insn-config.h
5942 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
5944 * iris6.h (DWARF2_UNWIND_INFO): Undef.
5946 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5948 Add preliminary native sparcv9 Solaris support.
5949 * configure.in: Recognize sparv9-*-solaris2*
5950 * configure: rebuilt
5951 * config.sub: Recognize sparcv9 just like sparc64.
5952 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
5953 config/sparc/sol2-cn.asm: Macroize so it can be shared between
5954 32-bit and 64-bit Solaris systems.
5955 * config/sparc/t-sol2: Assemble those with cpp.
5956 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
5957 (*TF*_LIBCALL): If ARCH64 use V9 names.
5958 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
5960 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5962 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
5963 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
5965 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
5967 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
5968 to Pmode if CASE_VECTOR_MODE is something else.
5970 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
5972 * prefix.c (update_path): Correctly handle cases where PATH is
5973 a substring of the builtin prefix, but specifies a different
5976 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
5978 * expr.c: Corrected comment about what MOVE_RATIO does.
5979 * config/alpha/alpha.h: Ditto.
5980 * config/1750a/1750a.h: Ditto.
5981 * config/clipper/clipper.h: Ditto.
5982 * config/i386/i386.h: Ditto.
5984 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
5986 * configure.in (m68k-next-nextstep3*): Use collect2.
5987 Similarly for x86 NeXT configurations.
5988 * configure: Rebuilt.
5990 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
5992 * configure.in: Don't assume srcdir is .../gcc
5993 * configure: Rebuilt.
5995 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
5997 * global.c: Update comments.
5998 (global_alloc): Assign allocation-numbers
5999 even for registers allocated by local_alloc in case
6000 they are later spilled and retry_global_alloc is called.
6001 (mark_reg_store, mark_reg_clobber,
6002 mark_reg_conflicts, mark_reg_death): Always record a
6003 conflict with a pseudo register even if it has been
6004 assigned to a hard register.
6005 (dump_conflicts): Don't list pseudo registers already assigned to
6006 a hard register as needing to be allocated, but do list their
6008 * local-alloc.c: Update comment.
6010 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
6012 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
6013 * configure: Rebuilt.
6015 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
6017 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
6019 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
6020 for all targets that set -msoft-float.
6022 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6024 * toplev.c (print_switch_values): Make static to match prototype.
6026 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
6028 * configure.in: If we are unable to find the "gnatbind" program,
6029 then do not configure the ada subdir.
6030 * configure: Rebuilt.
6032 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
6034 * version.c: Bump for snapshot.
6036 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
6038 * version.c: Bump for snapshot.
6040 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6042 * Makefile.in (toplev.o): Depend on $(EXPR_H).
6043 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
6045 * gansidecl.h: Define ATTRIBUTE_NORETURN.
6047 * genattrtab.c: Have insn-attrtab.c include toplev.h.
6049 * genextract.c: Have insn-extract.c include toplev.h.
6051 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
6053 * toplev.c: Include expr.h.
6054 (really_sorry, fancy_abort): Remove prototypes.
6055 (set_target_switch): Add argument in prototype.
6056 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
6057 (v_really_sorry): Likewise.
6058 (print_version, print_single_switch, print_switch_values): Make
6059 static and add prototype arguments.
6060 (decl_printable_name): Add prototype arguments.
6061 (lang_expand_expr_t): New typedef.
6062 (lang_expand_expr): Declare as a lang_expand_expr_t.
6063 (incomplete_decl_finalize_hook): Add prototype argument.
6064 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
6065 (botch): Likewise for variable `s'.
6066 (rest_of_type_compilation): Mark variables `type' and `toplev'
6067 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
6068 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
6069 (display_help): Make variable `i' an `unsigned long'.
6070 (main): Remove unused parameter `envp'.
6071 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
6072 Cast -1 when comparing it with a `size_t'.
6074 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
6075 prototype with ATTRIBUTE_NORETURN.
6076 (fatal_insn_not_found, fatal_insn, really_sorry,
6077 push_float_handler, pop_float_handler): Add prototypes.
6078 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
6079 (do_abort, botch): Add prototypes.
6081 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
6083 * final.c (final): If a label is reached only from a single jump,
6084 call NOTICE_UPDATE_CC on the jump and its predecessor before
6085 emitting the insn after the label.
6087 * i386.h: Add AMD K6 support.
6088 Change TARGET_* macros to use table lookup.
6089 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
6090 (ADJUST_COST): Change definition to call function in i386.c.
6091 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
6092 * i386.c: Add AMD K6 support.
6093 Add constants for feature tests used by TARGET_* macros.
6094 (split_di): If before reload, call gen_lowpart and gen_highpart.
6095 (x86_adjust_cost): New function.
6096 (put_jump_code): New function.
6097 (print_operand): New codes 'D' and 'd'.
6098 * i386.md: New insn types. New insn attribute "memory".
6099 Redefine scheduling parameters to use new types and add AMD K6
6100 support. Explicitly set type of most insns.
6101 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
6102 Pro and K6 prefer movl $1,reg to incl reg.
6103 (adddi3, subdi3): Set cc_status.
6104 (DImode shift patterns): Change label counters from HOST_WIDE_INT
6105 to int; x86 can't have more than 2^31 DImode shifts per file.
6106 (setcc): Combine all setcc patterns. Allow writing memory.
6107 Combine all jump patterns using match_operator.
6108 (*bzero): Name pattern. Emit mutliple stos instructions when that
6109 is faster than rep stos.
6110 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
6113 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
6115 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
6118 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
6120 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
6121 not whatever we're generating now.
6123 * alpha.c (set_frame_related_p, FRP): New.
6124 (alpha_expand_prologue): Mark frame related insns.
6125 (alpha_expand_epilogue): Likewise, but with a null FRP.
6126 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
6127 * alpha.md (exception_receiver): New.
6128 * alpha/crtbegin.asm (.eh_frame): New beginning.
6129 (__do_frame_setup, __do_frame_takedown): New.
6130 * alpha/crtend.asm (.eh_frame): New ending.
6131 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
6132 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
6133 (ASM_FILE_START): Don't emit .file for dwarf2.
6135 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
6136 * rtl.c (reg_note_name): Likewise.
6137 * rtl.texi (REG_NOTES): Likewise.
6138 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
6141 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
6143 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
6144 * i386.md (movsf, movdf, movxf): Validate memory address returned
6145 from force_const_mem. Kill useless REG_EQUAL setting code.
6147 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
6149 * m68k.md (zero_extendsidi2): Fix typo.
6151 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
6153 * configure.in: Removed references to the removed file
6154 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
6155 * arm*-*-netbsd* and ns32k-*-netbsd*.
6156 * config/i386/xm-netbsd.h: Removed unnecessary file.
6157 * config/m68k/xm-netbsd.h: Likewise.
6158 * config/sparc/xm-netbsd.h: Likewise.
6159 * config/mips/xm-netbsd.h: Likewise.
6161 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
6163 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
6164 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
6166 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
6167 for exact section attributions.
6169 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
6171 * i386/crtdll.h (CPP_PREDEFINES): Define.
6173 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
6175 * m68k.md (5200 movqi): Do not allow byte sized memory references
6177 * m68k.c (output_move_qimode): Do not use byte sized operations on
6180 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
6181 explicit rules for building. Similarly for alloca, vfprintf,
6182 choose-temp and mkstemp, getopt, getopt1, and obstack.
6183 (INCLUDES): Add $(srcdir)/../include.
6184 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
6185 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
6187 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
6189 * gcc.c (do_spec_1): [case 'o'] Account for
6190 lang_specific_extra_outfiles.
6191 (main): Correctly clear all slots in outfiles for
6192 lang_specific_extra_outfiles. Set input_file_number before
6193 calling lang_specific_pre_link.
6195 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
6197 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
6199 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6201 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
6203 (sparc_output_deferred_case_vectors): If no work to do, return.
6204 Fix thinko in Sept 1 change.
6206 1998-09-03 SL Baur <steve@altair.xemacs.org>
6208 * Makefile.in: add semicolon in BISON definition for portability.
6210 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6212 * config/nextstep.c (handle_pragma): Correct name of third
6215 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
6217 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
6218 * config/m32r/m32r.h: Make register 17 be fixed.
6219 * config/m32r/m32r.c: Use SImode for cc operations.
6221 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
6223 * invoke.texi (Warning Options): Add -Wnon-template-friend
6226 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
6228 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
6230 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
6232 * rs6000.md (movsf): Disable explicit secondary-reload-like
6233 functionality if TARGET_POWERPC64.
6234 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
6237 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
6239 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
6240 and term.h from fixinc.wrap.
6242 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6244 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
6245 safe to include both string.h and strings.h together.
6246 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
6247 which headers to search for function declarations. Continue to
6248 prefer string.h over strings.h when both are not acceptable.
6250 * acconfig.h (STRING_WITH_STRINGS): Add stub.
6252 * configure.in: Call GCC_HEADER_STRING.
6254 * system.h: Test STRING_WITH_STRINGS when deciding which headers
6255 to include. Continue to prefer string.h over strings.h when both
6258 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6260 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
6261 not assume top 32-bits of symbolic addresses are zero if
6264 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
6266 * ginclude/va-alpha.h: Protect entire second portion of the
6267 file against double inclusion.
6269 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
6271 Added support for the Boehm's garbage collector.
6272 * configure.in: Handle --enable-objc-gc.
6273 * configure: Rebuilt.
6274 * Makefile.in (CHECK_TARGETS): Add check-objc.
6275 (check-objc): New rule.
6276 * objc/Make-lang.in: Build a different Objective-C library that
6277 runs with the Boehm's collector.
6278 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6279 * objc/encoding.c: Correctly compute the size of compound types in
6280 the presence of bitfields. Skip the variable name of the type if
6281 any. Added support for long long.
6282 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
6283 (_F_GCINVISIBLE): New mask.
6284 * objc/gc.c: New file. Compute the type memory mask associated with
6285 a class based on the runtime information.
6286 * objc/misc.c: Added the hooks that use the Boehm's collector
6287 allocation functions.
6288 * objc/objc-act.c (build_class_template): Generate a new class
6289 member (gc_object_type) to hold the class' type memory mask.
6290 (build_shared_structure_initializer): Initialize the new member to
6292 (encode_complete_bitfield): New function. Generate the new
6294 (encode_field_decl): Generate the new encoding only for the GNU
6296 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
6298 (class_get_gc_object_type): New function to mark a pointer instance
6299 variable as a weak pointer.
6300 * objc/objc-features.texi: New file.
6301 * objc/objc.h (gc_object_type): New class member.
6302 * objc/objects.c (class_create_instance): Create a typed memory
6303 object when compiled with Boehm's collector support.
6304 * objc/sendmsg.c (__objc_init_install_dtable): Call
6305 __objc_send_initialize instead of setting the initialize flag.
6306 (__objc_send_initialize): Call __objc_generate_gc_type_description
6307 to generate the class type memory mask. Rewrite the code that
6308 sends the +initialize so that it is called only once (bug report
6309 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
6310 * testsuite/objc: New testsuite for Objective-C type encoding.
6311 * testsuite/lib/objc-torture.exp: New file.
6312 * testsuite/lib/objc.exp: New file.
6314 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
6316 * jump.c (jump_optimize): In if/then/else transformations, add
6317 another call to modified_between_p for the jump insn.
6319 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
6321 * fix-header.c (symlink): Treat like readlink.
6323 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6325 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
6328 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
6330 * config/nextstep.h: Update HANDLE_PRAGMA macro.
6331 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
6332 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
6334 * config/nextstep.c (handle_pragma): Take three arguments, as per
6335 the new HANDLE_PRAGMA macro specification.
6336 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
6337 per the new HANDLE_PRAGMA macro specification.
6338 * config/i960/i960.c (process_pragma): Take three arguments, as
6339 per the new HANDLE_PRAGMA macro specification.
6341 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
6343 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
6344 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
6345 if unknown pragmas are encountered.
6346 (handle_sysv_pragma): Interpret return code from
6347 handle_pragma_token (). Return success/failure indication rather
6348 than next unprocessed character.
6349 (pragma_getc): New function: retrieves characters from the
6350 input stream. Defined when HANDLE_PRAGMA is enabled.
6351 (pragma_ungetc): New function: replaces characters back into the
6352 input stream. Defined when HANDLE_PRAGMA is enabled.
6354 * c-pragma.c (handle_pragma_token): Return success/failure status
6357 * c-pragma.h: Change prototype of handle_pragma_token().
6359 * varasm.c: (handle_pragma_weak): Only create this function if
6360 HANDLE_PRAGMA_WEAK is defined.
6362 * c-common,c (decl_attributes): If defined call the expression
6363 contained within the INSERT_ATTRIBUTES macro before adding
6364 attributes to a decl.
6366 * tm.texi (HANDLE_PRAGMA): Document the new verion of
6367 HANDLE_PRAGMA, which takes three arguments.
6368 (INSERT_ATTRIBUTES): Document this new macro.
6370 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
6371 new INSERT_ATTRIBUTES macro.
6373 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6375 * config/sparc/sparc.md (movdf): Only generate special RTL for
6376 LABEL_REFs when PIC.
6377 (move_label_di): Remove
6378 (movdi_pic_label_ref, movdi_high_pic_label_ref,
6379 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
6380 references when PIC.
6381 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
6382 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
6383 output an .xword for all 64-bit cases.
6385 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6387 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
6388 alignment, use FUNCTION_BOUNDARY instead.
6389 (sparc_output_deferred_case_vectors): Likewise.
6391 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6393 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
6394 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
6396 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
6398 * alpha/va_list.h: New file.
6399 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
6401 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
6403 * NEWS: Add SCO Openserver and Unixware 7 notes.
6407 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
6409 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
6410 (record_constant_1): Handle RANGE_EXPR.
6412 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
6414 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
6415 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
6416 and NOTE_INSN_RANGE_END specially.
6417 (reemit_notes): Likewise.
6419 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6421 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
6422 (ultrasparc_sched_init): Remove unneeded &.
6424 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6426 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
6427 for m68020-60, to prevent the use of fintrz.
6429 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
6431 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
6433 * Makefile.in: Likewise.
6434 * configure: Regenerated.
6436 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
6438 * configure.in (gxx_include_dir): Changed to
6439 '${prefix}/include/g++'-${libstdcxx_interface}.
6440 * configure: Rebuilt.
6442 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
6444 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
6446 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
6447 *sequences* *below* which scalar moves will be used.
6449 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
6451 * collect2.c (mktemp): Delete unused declaration.
6453 * config/xm-netbsd.h: Remove unnecessary file.
6454 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
6455 file anymore, it is not needed.
6457 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
6459 * convert.c (convert_to_integer): Issue an error on conversions to
6462 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
6464 * Makefile.in: Add lang_tree_files and gencheck.h.
6465 * configure.in: Generate them.
6466 * gencheck.c: Include gencheck.h.
6468 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6470 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
6471 movdi_lo_sum_pic and movdi_high_pic and make visible.
6472 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
6473 emit these when Pmode is not SImode.
6474 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
6476 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
6478 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
6479 .linkonce directive after the first time.
6481 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
6483 * m68k.md (beq0_di): Generate correct (and more efficient) code when
6484 the clobbered operand overlaps with an input.
6485 (bne0_di): Similarly.
6487 * Makefile.in (INSTALL): Remove "--no-header" argument.
6489 * NEWS: Various updates.
6491 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6493 * config/sparc/sparc.c (arith_operand, const64_operand,
6494 const64_high_operand, arith_double_4096_operand): Mark mode as
6496 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
6498 (sparc_emit_set_const64): Remove unused variable i.
6499 (sparc_splitdi_legitimate): Likewise for addr_part.
6500 (ultra_code_from_mask): Likewise for mask.
6501 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
6502 reverse return values so it matches usage and comments.
6503 (ultra_flush_pipeline): Likewise.
6504 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
6505 this_type, and allow loads and stores of differing FP modes as
6506 they do not create a conflict.
6507 (ultra_find_type): Initialize fpmode to SFmode, fix
6508 parenthesization thinkos in large conditional.
6509 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
6510 Init free_slot_mask after ultra_cur_hist is reset, not before.
6511 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
6512 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
6513 use ultra_flush_pipeline instead, then re-init group pointer.
6514 Fix statement with no effect. If no progress made in, and no
6515 instructions scheduled at all, advance to new pipeline cycle else
6516 we get into an endless loop.
6517 (ultrasparc_adjust_cost): Remove previous arg.
6518 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
6520 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
6522 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
6523 code. Use reg_overlap_mentioned_p to detect when source and
6524 destination overlap.
6525 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
6527 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
6529 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
6530 COMPARISON_VAL, into invariant_p.
6532 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6534 * regmove.c (regclass_compatible_p): New function.
6535 (regmove_optimize): Use it.
6537 Use NREGS parameter insted of calling max_reg_num.
6539 (fixup_match_1): Don't use code = MINUS when later tieing with
6540 a hard register is likely.
6542 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6544 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
6545 COMPARISON_VAL was normalized.
6547 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
6549 * loop.c (check_dbra_loop): The loop ending comparison value
6550 must be an invariant or we can not reverse the loop.
6552 * loop.c (scan_loop): Count down from max_reg_num - 1 to
6553 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
6555 (load_mems_and_recount_loop_regs_set): Likewise.
6557 * i386.c (print_operand): Remove obsolete 'c' docs.
6559 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
6561 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
6562 * frame.c (init_object_mutex): New function.
6563 (init_object_mutex_once): Likewise.
6564 (find_fde): Call it.
6565 (__register_frame_info): Likewise.
6566 (__register_frame_info_table): Likewise.
6567 (__deregister_frame_info): Likewise.
6569 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
6571 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
6573 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6575 * loop.c (check_dbra_loop): Enable code for reversal
6576 of some loops without a known constant loop end.
6578 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
6580 * haifa-sched.c (last_clock_var): New.
6581 (schedule_block): Initialize it.
6582 (schedule_insn): Use it to fill insn modes with issue information.
6584 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
6585 Tag trapb and next insn with TImode.
6586 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
6587 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
6588 Invoke alphaev5_align_insns as appropriate.
6589 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
6590 (MD_SCHED_VARIABLE_ISSUE): New.
6591 * alpha.md (attr type): Add multi.
6592 (define_asm_attributes): New.
6593 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
6594 (arg_home): Likewise.
6595 (fnop, unop, realign): New.
6597 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
6599 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
6600 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
6602 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
6603 (rs6000-ibm-aix4.[12]*): Likewise.
6604 * configure: Regnerate.
6606 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
6608 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
6609 already contains the return address.
6611 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
6613 * calls.c (expand_call): Use bitfield instructions to extract/deposit
6614 word sized hunks when loading unaligned args into registers.
6616 * haifa-sched.c (sched_analyze_insn): Only create scheduling
6617 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
6619 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
6621 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6623 * loop.c (check_dbra_loop): Add some code that would allow reversal
6624 of some loops without a known constant loop end if it were enabled.
6626 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
6628 * mips.md (lshrsi3_internal2+2): Fix type-o.
6630 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6632 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
6633 correctly with regards to stdio.h.
6635 * calls.c: Remove stdarg.h/varargs.h.
6638 * combine.c: Likewise.
6639 * cpperror.c: Likewise.
6640 * cpplib.c: Likewise.
6641 * cpplib.h: Likewise.
6642 * doprint.c: Likewise.
6643 * emit-rtl.c: Likewise.
6644 * final.c: Likewise.
6645 * fix-header.c: Likewise.
6647 * genattr.c: Likewise.
6648 * genattrtab.c: Likewise.
6649 * gencodes.c: Likewise.
6650 * genconfig.c: Likewise.
6651 * genemit.c: Likewise.
6652 * genextract.c: Likewise.
6653 * genflags.c: Likewise.
6654 * genopinit.c: Likewise.
6655 * genoutput.c: Likewise.
6656 * genpeep.c: Likewise.
6657 * genrecog.c: Likewise.
6658 * mips-tfile.c: Likewise.
6659 * prefix.c: Likewise.
6660 * protoize.c: Likewise.
6661 * regmove.c: Likewise.
6662 * toplev.c: Likewise.
6665 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6667 * config/sparc/sparc.c (sparc_override_options): If not
6668 TARGET_FPU, turn off TARGET_VIS.
6669 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
6670 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
6671 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
6672 (movdi_insn_sp64): Add VIS fzero alternative.
6673 (clear_sf, clear_df): New VIS patterns.
6674 (movsf, movdf expanders): Allow fp_zero_operand flat out when
6676 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
6678 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
6680 * loop.c (n_times_set, n_times_used, may_not_optimize,
6681 reg_single_usage): Convert to varrays. All uses changed.
6682 (insert_loop_mem): Return a value.
6683 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
6684 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
6687 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
6690 * configure.in: Do not set thread_file to "irix" since no such
6693 * sparc.md (float abs/neg splits): Check reload_completed before
6694 calling alter_subreg.
6696 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6698 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
6700 * config/sparc/sparc.h: Declare it.
6701 * config/sparc/sparc.md (float abs/neg splits): Use it.
6702 (all other splits): Handle SUBREGs properly where necessary.
6703 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
6705 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
6707 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
6708 an insn on the unfilled_slots_list that has no delay slots.
6709 (fill_eager_delay_slots): Similarly.
6711 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
6713 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
6714 as an ordinary operand.
6716 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
6718 * tree.c (valid_machine_attribute): Don't apply attributes to both
6721 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
6723 * reload.c (operands_match_p): Handle rtvecs.
6725 * i386.c (legitimate_pic_address_disp_p): New.
6726 (legitimate_address_p): Use it.
6727 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
6728 Handle constant pool symbols just like statics.
6729 (emit_pic_move): Use Pmode not SImode for clarity.
6730 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
6731 [UNSPEC]: New, handling what we killed above.
6732 [PLUS]: Detect and abort on invalid symbol arithmetic.
6733 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
6735 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
6737 * alias.c: Include output.h.
6738 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
6739 different if we're in a varargs function.
6740 * Makefile.in (alias.o): Depend on output.h
6742 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6744 * sh.h (GIV_SORT_CRITERION): Delete.
6746 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
6748 * regclass.c (regclass): Use xmalloc/free instead of alloca.
6749 * stupid.c (stupid_life_analysis): Ditto.
6750 * reload1.c (reload): Ditto.
6752 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6754 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
6755 arith_double_4096_operand, arith_double_add_operand): New
6757 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
6758 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
6759 them to transform add/sub 4096 into add/sub -4096.
6761 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6763 * loop.c (scan_loop): Allocate some slop to handle pseudos
6764 generated by move_movables.
6765 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
6768 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
6770 * tree.def (DECL_RESULT): Correct documentation.
6772 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6774 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
6775 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
6776 conflicts will all RELOAD_FOR_OUTPUT reloads.
6778 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
6779 loads the function result, substitute with a USE.
6781 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6783 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
6784 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
6785 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
6786 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
6787 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
6788 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
6790 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
6791 'o' to 'm' for GPR variant constraints.
6793 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
6795 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
6797 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
6799 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
6800 when the source and destination overlap.
6802 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
6803 clash with global type.
6805 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
6807 * fixinc.irix: Add curses.h handling from fixinc.wrap.
6809 * c-common.c (combine_strings): Also set TREE_READONLY.
6810 Change warn_write_strings to flag_const_strings.
6811 * c-decl.c, c-tree.h: Likewise.
6813 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6815 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
6816 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
6817 sequence, use SET/IOR instead so CSE can see it.
6818 * config/sparc/sparc.md (movhi_const64_special,
6819 movsi_const64_special): New patterns necessitated by that change.
6820 (movhi_high): Remove.
6821 (movhi_lo_sum): Change to match an IOR.
6822 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
6823 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
6824 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
6825 (movdf splits): Allow when not V9 or when not ARCH64 and integer
6826 registers are involved.
6827 (snesi_zero_extend split): Remove reload_completed test.
6828 (unnamed plus and minus zero_extend sidi splits): Add it.
6830 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
6832 * extend.texi: Remove description of extension to explicit
6833 instantiation that is now endorsed by standard C++.
6835 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6837 * config/arc/arc.c (arc_initialize_pic): Remove.
6838 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
6839 nothing on any platform and is invoked by no-one, it does not even
6840 appear in the documentation.
6841 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
6842 * config/sparc/sparc.c (initialize_pic): Likewise.
6843 (find_addr_reg): Remove this as well, no longer referenced after
6846 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
6848 * recog.c (validate_replace_rtx_group): New function.
6849 * recog.h (validate_replace_rtx_group): Declare it.
6850 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
6851 the entire group of substitutions.
6853 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
6855 * loop.c (load_mems): Fix initializers.
6857 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6859 * config/sparc/sparc.md (TFmode splits): Handle destination
6860 registers being referenced in the address correctly.
6862 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
6863 TREE_UNSIGNED, when bitsize of type's mode is larger than
6864 HOST_BITS_PER_WIDE_INT.
6866 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6868 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
6869 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
6870 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
6872 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
6875 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
6877 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
6878 * h8300.h (TINY_DATA_NAME_P): Likewise.
6879 (STRIP_NAME_ENCODING): Handle '&'.
6881 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
6882 register (it could be accessed via an outer SUBREG).
6883 (REG_OK_FOR_BASE_P): Likewwise.
6884 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
6886 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
6889 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
6891 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6893 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
6894 must be offsettable so the splits can be made.
6896 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
6898 * config/i386/winnt.c: Include system.h, not stdio.h to get
6899 sys/param.h pulled in before rtl.h in case the system defines MIN
6902 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
6904 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
6906 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
6908 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
6910 * cpplib.c (cpp_define): Handle macros with parameters.
6912 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6914 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
6915 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
6916 and DImode 64-bit. Use llong for minimal-toc SFmode and
6917 SYMBOL_REF / LABEL_REF 64-bit.
6918 (output_function_profiler): Use llong for profiler label and ld to
6919 load 64-bit label address.
6921 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
6923 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
6926 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
6928 * version.c: Bump for snapshot.
6930 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
6932 * version.c: Bump for snapshot.
6934 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
6936 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
6938 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
6940 * tm.texi (Misc): Fix typo "teh".
6942 * tm.texi (PIC): Fix typo "PPIC".
6944 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
6945 effect when -O2 and higher.
6946 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
6948 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
6950 * regclass.c: Changed register set documentation to be consistent
6953 * final.c (final_start_function) Removed redundant test for
6956 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
6958 * rtl.h (rtx_function): New type.
6959 (for_each_rtx): New function.
6960 * rtlanal.c (for_each_rtx): Define it.
6962 * recog.c (change_t): New type.
6963 (change_objects, change_old_codes, change_locs, change_olds):
6965 (changes): New variable.
6966 (validate_change): Dynamically allocate room for more changes, if
6967 necessary. Uses changes array instead of change_objects, etc.
6968 (apply_change_group): Use changes array instead of
6969 change_objects, etc.
6971 * loop.c (loop_mem_info): New type.
6972 (loop_mems): New variable.
6973 (loop_mems_idx): Likewise.
6974 (looop_mems_allocated): Likewise.
6975 (scan_loop): Remove nregs parameter.
6976 (next_insn_in_loop): New function.
6977 (load_mems_and_recount_loop_regs_set): Likewise.
6978 (load_mems): Likewise.
6979 (insert_loop_mem): Likewise.
6980 (replace_loop_mem): Likewise.
6981 (replace_label): Likewise.
6982 (INSN_IN_RANGE_P): New macro.
6983 (loop_optimize): Don't pass max_reg_num() to scan_loop.
6984 (scan_loop): Remove nregs parameter, compute it after any new
6985 registers are created by load_mems. Use INSN_IN_RANGE_P and
6986 next_insn_in_loop rather than expanding them inline. Call
6987 load_mems to load memory into pseudos, if appropriate.
6988 (prescan_loop): Figure out whether or not there are jumps from the
6989 loop to targets other than the label immediately following the
6990 loop. Call insert_loop_mem to notice all the MEMs used in the
6991 loop, if it could be safe to pull MEMs into REGs for the duration
6993 (strength_reduce): Use next_insn_in_loop. Tweak comments.
6995 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
6997 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
6999 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7001 * config/sparc/sparc.c (finalize_pic): Check for the correct
7002 nonlocal_goto_receiver UNSPEC number.
7003 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
7004 making note of this dependency existing in sparc.c
7005 (negtf2_notv9 split): Give NEG SFmode.
7006 (negsf2): Fix insn output string.
7008 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
7010 * c-common.c (decl_attributes): Issue an error if the argument
7011 to alias is not a string.
7013 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
7015 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
7016 pending memory flush list.
7018 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
7020 (try_combine): Allow combining insns with REG_LIBCALL notes.
7022 * expr.c (emit_block_move): Do not call memcpy as a libcall
7023 instead build up a CALL_EXPR and call it like any other
7025 (clear_storage): Similarly for memset.
7027 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
7030 * Makefile.in (cplus-dem.o): Provide explicit rules for building
7033 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
7034 and REG_LIVE_LENGTH as successful substitutions are made.
7036 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7038 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
7039 statement after end of loop label.
7041 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7043 * config/sparc/sparc.c (ultra_types_avail): New variable.
7044 (ultra_build_types_avail): New function to record mask of insn
7045 types in ready list at this cycle.
7046 (ultrasparc_sched_reorder): Call it.
7047 (ultra_find_type): Use it to quicken the search. Also simplif
7048 dependency check, don't use rtx_equal_p because we know exactly
7049 what we are looking for.
7051 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
7053 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
7054 for architecture v4.
7056 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7058 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
7060 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
7061 movdf_const_intreg and helper splits): New patterns to move float
7062 constants into integer registers.
7063 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
7066 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
7069 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
7071 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
7073 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
7074 a BASE_REGS register is needed as an intermediate when copying
7075 a symbolic value into any register class other than BASE_REGS.
7077 * expr.c (move_by_pieces): No longer static. Remove prototype.
7078 * rtl.h (move_by_pieces): Add extern prototype.
7079 * mips.c (expand_block_move): Handle aligned straight line copy by
7080 calling move_by_pieces.
7082 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
7085 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
7087 * stmt.c (expand_end_loop): Tidy. Allow unconditional
7088 jumps out of the loop to be treated as part of the exit test.
7090 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7091 Jeff Law <law@cygnus.com>
7093 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
7094 * cplus-dem.c: Delete.
7096 * Makefile.in (fold-const.o): depend on $(RTL_H).
7098 * fold-const.c: Include rtl.h to get the prototype for
7099 `set_identifier_local_value'.
7101 * loop.c (express_from_1): Remove unused variable `tmp'.
7102 (combine_givs): cast the first argument of bzero to char *.
7104 * toplev.c (display_help): Remove unused variable `looking_for_start'.
7106 * c-decl.c (init_decl_processing): Remove unneeded &.
7108 * alpha.h (alpha_initialize_trampoline): Provide prototype.
7110 * except.c (set_exception_lang_code, set_exception_version_code):
7111 Change parameter from `short' to `int' to avoid using a gcc
7114 * except.h (set_exception_lang_code, set_exception_version_code):
7115 Likewise for prototypes.
7117 * flow.c (count_reg_references): Remove unused variables `regno'
7120 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
7122 * prefix.c (translate_name): Cast the result of `alloca'.
7124 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
7126 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7128 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
7130 (valid_dbcc_comparison_p): Mark mode argument as unused.
7131 (symbolic_operand): Likewise.
7132 (legitimize_pic_address): Likewise.
7133 (const_uint32_operand): Likewise.
7134 (const_sint32_operand): Likewise.
7135 * sched.c [!INSN_SCHEDULING]: Define only dummy function
7136 schedule_insns and comment out rest of file.
7138 * m68k.c (output_move_simode_const): Use subl to move a zero into an
7140 (output_move_[hq]imode): Likewise.
7142 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
7144 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
7145 * invoke.texi: Corresponding changes.
7147 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
7149 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
7151 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7153 * config/sparc/sparc.c (ultra_code_from_mask,
7154 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7155 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
7156 ultrasparc_sched_init, ultrasparc_variable_issue,
7157 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
7158 functions to describe UltraSPARC pipeline exactly to Haifa.
7159 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
7160 as there is nothing the scheduler can do about it. Indicate that
7161 REG_DEP_OUTPUT's collide. Fixup formatting.
7162 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
7163 divide costs on Ultra for DImode.
7164 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
7166 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
7167 ieuN and add call_no_delay_slot to type list.
7168 (cti function unit): New unit for branches on UltraSPARC.
7169 (subx/addx insns): Set type to misc.
7170 (sidi zero/sign extension insns on arch64): Set type to shift.
7171 (sign_extendhidi2_insn): Set type to sload.
7173 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
7175 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
7176 (output_epilog): Use if != 0 for offset.
7177 (rs6000_fatal_bad_address): Prepare for Intl.
7178 * rs6000.h (rs6000_fatal_bad_address): Declare.
7179 * rs6000.md (movsfcc, movdfcc): Use else if.
7180 (elf_high): Use {liu|lis}.
7181 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
7182 (movsi): Use rs6000_fatal_bad_address.
7184 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
7186 * reload.c (find_equiv_reg): Reject equivalences separated
7187 by a volatile instruction.
7189 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7191 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
7193 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
7195 * alpha.md (movsicc): Fix mode mismatch.
7197 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
7199 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
7201 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
7203 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7205 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
7206 write-only modifier from operand 1 constraint.
7208 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7210 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
7211 emitting a XOR of -1 at the end, emit a NOT instead for combine's
7213 (sparc_emit_set_const64): Likewise, also when computing trailing
7214 bits do not negate low_bits and make fast_int an int.
7216 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
7218 * loop.c (add_label_notes): Do not ignore references to labels
7219 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
7220 * gcse.c (add_label_notes): Similarly.
7222 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
7224 * m68k.md (adddi_dilshr32): One of the operands must be a register.
7225 (adddi_dishl32): Similarly.
7227 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
7229 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
7230 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
7231 * cse.c (cse_basic_block): Add parens to shut up warnings.
7233 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7235 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
7236 sparc_emit_set_const64_longway, const64_is_2insns,
7237 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
7238 in 64-bit constant formation.
7239 * config/sparc/sparc.md (snesi_zero_extend split): Generate
7240 rtl for addx not subx.
7241 (define_insn movdi_const64_special): Make available even when
7242 HOST_BITS_PER_WIDE_INT is not 64.
7243 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
7244 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
7245 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
7246 instances of operand 1 inside a QI subreg.
7247 (xordi3_sp64_dbl): Remove '%' constraint for op1.
7248 (one_cmpldi2_sp64): Fix output string.
7249 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
7251 (unnamed arch64 ashift DI): Truncate shift count if greater than
7254 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7256 * expr.c (store_expr): Don't optimize away load-store pair
7257 when either source or destination have a side effect.
7259 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
7261 * genrecog.c (add_to_sequence): Fatal error if the modes of the
7262 operands of SET are incompatible.
7264 * alpha.md: Fix max and min patterns so modes of SET operands match.
7266 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
7268 * configure.in: Avoid [[ by using test and changequote.
7269 * configure: Rebuild.
7271 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7273 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7275 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7276 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7277 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7278 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7279 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7280 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
7281 Fix mismatching modes in SET operands.
7282 (conditional move patterns): Fix formatting.
7283 (unnamed subx arch64 pattern): Remove duplicate insn.
7285 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7287 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7288 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
7289 (input_operand): Fixup test for what we accept for constant
7291 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
7293 (safe_constDI): Remove.
7294 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7295 gen_safe_XOR64): New functions.
7296 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
7297 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
7299 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
7300 available when HOST_BITS_PER_WIDE_INT is not 64.
7301 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
7302 move before movdi_insn_sp64 pattern.
7303 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
7304 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
7305 symbolic_operand as predicate for second operand.
7306 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
7307 expander): Give set VOIDmode.
7309 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
7311 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
7313 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
7315 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
7317 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
7319 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
7321 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
7323 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
7325 * install.texi: Various SCO OpenServer tweaks.
7327 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
7329 * reload1.c (eliminate_regs_in_insn): Handle another case when
7330 eliminating the frame pointer to the hard frame pointer. Add
7331 missing ep->to_rtx check to one existing case.
7333 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
7335 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7337 * tree.h: De-conditionalize init_priority code.
7339 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
7340 * collect2.c (NM_FLAGS): Change from -p to -n.
7342 * configure.in: Turn on collect2 for mipstx39-elf.
7343 Handle use_collect2=no properly.
7345 * c-common.c: De-conditionalize init_priority code.
7346 * collect2.c (extract_init_priority, sort_ids): New fns.
7347 (main): Call sort_ids.
7348 Move sequence_number to file scope.
7350 * configure.in: Handle --enable-init-priority.
7351 * c-common.c (attrs): Add A_INIT_PRIORITY.
7352 (init_attributes, decl_attributes): Likewise.
7353 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
7354 * tree.c (get_file_function_name_long): Split out...
7355 (get_file_function_name): ...from here.
7357 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
7359 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
7362 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
7364 * toplev.c (display_help): Add braces to shut up warnings.
7365 * tree.c (simple_cst_equal): Likewise.
7367 * fold-const.c (non_lvalue): Don't deal with null pointer
7369 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7371 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
7372 of any size to a pointer.
7374 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
7376 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
7378 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
7380 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
7381 which will be saved.
7382 * mn10300.md (prologue insn): Only save registers which need saving.
7383 (epilogue insn): Similarly.
7385 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
7388 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
7390 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
7391 VAR_DECL's in gp addressable sections.
7393 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
7395 * sparc.c: Change return <exp> to <exp>; return; in functions
7397 * sparc.md: Add empty semicolon statement after final label in
7400 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7402 * config/sparc/sparc.md (define_insn addx_extend): Rename to
7403 addx_extend_sp64, only allow when TARGET_ARCH64.
7404 (define_insn addx_extend_sp32 and split): Version that works when
7406 (define_insn subx_extend): Likewise.
7407 (define_split adddi3 and subdi3 with zero extension): Fixup and
7408 correct bugs when not TARGET_ARCH64.
7410 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
7412 * except.c (set_exception_lang_code, set_exception_version_code):
7413 Use prototype-style definition if __STDC__, to match declaration
7416 * genemit.c: Change FAIL and DONE macros not to use loops.
7418 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
7420 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
7421 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
7423 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
7425 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
7427 * README.g77: Update from Craig.
7429 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7431 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
7433 (safe_constDI sparc_emit_set_const64_quick1,
7434 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7435 analyze_64bit_constant, const64_is_2insns,
7436 create_simple_focus_bits): Fix some bugs when compiled on real
7438 (function_arg_record_value_3, function_arg_record_value_2,
7439 function_arg_record_value): Add fully prototyped forward decls.
7440 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
7441 to cmpsi_insn and use on both 64 and 32 bit targets.
7442 (define_insn cmpsi_insn_sp64): Remove.
7443 (define_expand zero_extendsidi2): Allow for 32-bit target too.
7444 (define_insn zero_extendsidi2_insn): Rename to
7445 zero_extendsidi2_insn_sp64.
7446 (define_insn zero_extendsidi2_insn_sp32): New pattern and
7447 assosciated forced split for it.
7449 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7451 * config/sparc/sparc.h: Declare them.
7452 (PREDICATE_CODES): Add them.
7453 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
7454 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
7456 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
7458 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
7459 in v9 case as the latter makes the Solaris assembler crash.
7461 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7463 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
7464 for TFmode when !v9. We require offsettable memory addresses.
7465 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
7466 DFmode register number conversions.
7467 * config/sparc/sparc.md (define_split DFmode moves): If register
7468 is a SUBREG do alter_subreg on it before using.
7469 (define_expand movtf): Fixup comment about alignment on v9.
7470 (define_split TFmode moves): Don't use gen_{high,low}part, create
7471 explicit SUBREGs instead.
7473 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
7475 * Makefile.in (mbchar.o): Depend on mbchar.c.
7477 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7478 Richard Henderson <rth@cygnus.com>
7480 Rewrite Sparc backend for better code generation and
7481 improved sparc64 support.
7482 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
7484 * config/sparc/sysv4.h: Likewise.
7485 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
7486 move_operand, v8plus_regcmp_op, emit_move_sequence,
7487 singlemove_string, doublemove_string, mem_aligned_8,
7488 output_move_double, output_move_quad, output_fp_move_double,
7489 move_quad_direction, output_fp_move_quad, output_scc_insn):
7491 (small_int_or_double): New predicate.
7492 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
7493 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
7494 old pic_{sethi,lo_sum}_si patterns.
7495 (mem_min_alignment): New generic function to replace
7496 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
7497 available and can test for arbitrary alignments. All callers
7499 (save_regs, restore_regs, build_big_number,
7500 output_function_prologue, output_cbranch, output_return,
7501 sparc_flat_save_restore, sparc_flat_output_function_prologue,
7502 sparc_flat_output_function_epilogue): Prettify
7504 (output_function_epilogue): Likewise and add code to output
7505 deferred case vectors.
7506 (output_v9branch): Likewise, add new arg INSN and use it to tack
7507 on branch prediction settings. All callers changed.
7508 (print_operand): Likewise and output %l44 for LO_SUMs when
7510 (sparc_splitdi_legitimate): New function to make sure DImode
7511 splits can be run properly when !arch64.
7512 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
7513 Reformat example code in comments.
7514 (set_extends): Remove UNSPEC/v8plus_clear_high case.
7515 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
7516 of deferred case vectors we need to output.
7517 (sparc_defer_case_vector): Record a case vector.
7518 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
7519 sparc_output_deferred_case_vectors): New functions to output them.
7520 (sparc_emit_set_const32): New function to form 32-bit constants in
7521 registers when that requires more than one instruction.
7522 (safe_constDI, sparc_emit_set_const64_quick1,
7523 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7524 analyze_64bit_constant, const64_is_2insns,
7525 create_simple_focus_bits, sparc_emit_set_const64): New functions
7526 which do the same for 64-bit constants when arch64.
7527 (sparc_emit_set_symbolic_const64): New function to emit address
7528 loading for all code models on v9.
7529 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
7530 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
7531 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
7532 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
7533 inaccuracies in comments, add symbolic and text_segment operands
7534 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
7535 GENERAL_REGS in these cases as a temp REG is needed to load these
7536 addresses into a register properly.
7537 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
7539 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
7540 quads are guarenteed to have 16-byte alignment.
7541 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
7542 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
7543 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
7544 deferred case vector implementation.
7545 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
7546 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
7547 Generate "internal label - label" instead of "label - 1b".
7548 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
7549 (PREDICATE_CODES): Remove sparc_operand, move_operand,
7550 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
7552 (doublemove_string, output_block_move, output_fp_move_double,
7553 output_fp_move_quad, output_move_double, output_move_quad,
7554 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
7555 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
7556 (sparc_emit_set_const32, sparc_emit_set_const64,
7557 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
7558 mem_min_alignment, small_int_or_double): Add externs.
7559 * config/sparc/sparc.md: Document the many uses of UNSPEC and
7560 UNSPEC_VOLATILE in this backend.
7561 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
7562 unary to types which execute in it.
7563 (define_function_unit ieu_shift): Rename to ieu0.
7564 (define_function_unit ieu1): New, executes compare, call, and
7565 uncond_branch type insns.
7566 (define_function_units for type fdivs, fdivd, fsqrt): These
7567 execute in the fpu multiply unit not the adder on UltraSparc.
7568 (define_expand cmpdi): Disallow TARGET_V8PLUS.
7569 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
7570 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
7571 allows the arith_double_operand predicate and rHI constraint when
7573 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
7574 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
7575 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
7576 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
7577 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
7578 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
7579 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
7580 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
7581 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
7582 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
7583 sign_extendqihi2_insn, sign_extendqisi2_insn,
7584 sign_extendqidi2_insn, sign_extendhidi2_insn,
7585 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
7586 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
7587 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
7588 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
7589 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
7590 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
7591 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
7592 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
7593 smulsi3_highpart_v8plus, unnamed subreg mult,
7594 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
7595 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
7596 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
7597 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
7598 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
7599 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
7600 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
7601 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
7602 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
7603 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
7604 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
7605 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
7606 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
7607 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
7608 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
7609 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
7610 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
7611 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
7612 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
7613 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
7614 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
7615 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
7616 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
7617 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
7618 call_address_untyped_struct_value_sp32,
7619 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
7620 call_value_symbolic_sp32, call_value_address_sp64,
7621 call_value_symbolic_sp64, branch_sp32, branch_sp64,
7622 flush_register_windows, goto_handler_and_restore,
7623 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
7624 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
7625 return_addsi, return_di, return_adddi, return_sf, all call+jump
7626 peepholes, trap, unnamed trap insns): Prettify output strings.
7627 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
7628 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
7629 Likewise and force + implement splits for integer cases.
7630 (define_insn return_sf_no_fpu): Likewise and allow to match when
7631 no-fpu because of our subreg SFmode splits.
7632 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
7633 zero_extendqidi2_insn, zero_extendhidi2_insn,
7634 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
7635 input_operand for second operand.
7636 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
7637 reg_or_0_operand for operand 2 so new splits can use it.
7638 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
7639 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
7641 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
7642 CONST_DOUBLEs for operand 2.
7643 (define_insn move_label_di): Likewise and label distance
7644 optimization because it no longer works with new deferred case
7645 vector scheme. To be revisited.
7646 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
7647 and allow reg_or_0_operand and J constraint for second operand.
7648 (define_insn jump): Set branch predict taken on V9.
7649 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
7650 new deferred case vector scheme.
7651 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
7652 (define_insn negdi2_sp32): Force + implement splits.
7653 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
7654 one_cmplsi2_not_liveg0 respectively, and create expander of original
7655 names which emit special rtl for TARGET_LIVE_G0.
7656 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
7657 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
7658 gen_compare_reg, FAIL instead.
7659 (define_insn sgtu, sleu): Likewise and check gen_s*() return
7660 values when trying to reverse condition codes, if they FAIL then
7662 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
7663 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
7664 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
7665 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
7666 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
7667 set output string to # to indicate they are mandatory splits.
7668 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
7669 pic_sethi_di, move_pic_label_si): Remove.
7670 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
7671 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
7673 (define_expand movsi_pic_label_ref, define_insn
7674 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
7675 expander and insns to handle PIC label references and deferred
7677 (define_insn get_pc_via_rdpc): Comment out as it is no longer
7679 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
7680 Rewrite to not use emit_move_sequence, make use of new constant
7681 formation code, and new splits for all multi-insn cases.
7682 (define_insn movqi_insn): Remove sethi case, it can never happen.
7683 Use reg_or_zero_operand instead of const0_rtx explicit test,
7684 use input_operand instead of move_operand for source, and use
7685 general_operand now for dest.
7686 (define_insn movhi_insn): Similar but leave sethi case.
7687 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
7688 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
7689 movhi_lo_sum respectively, prettify output string.
7690 (define_insn movsi_zero_liveg0): New pattern to put zero into a
7691 register when needed on TARGET_LIVE_G0.
7692 (define_insn movsi_insn): Use general_operand and input_operand
7693 for dest and src respectively. Simplify applicability test.
7694 Prettify output strings, and add clr alternative for J
7696 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
7697 deprecated std and reg-reg DI moves): Remove and...
7698 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
7699 implementation which uses forced splits for all non-single insn
7701 (define_split DI move cases on !arch64): New splits to handle all
7702 situations of 64-bit double register DImode on 32bit, and
7703 unaligned registers and memory addresses for all subtargets.
7704 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
7706 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
7707 input_operand for dest and src respectively, prettify output
7709 (define_insn movdf_insn, movdf_no_e_insn, store_df,
7710 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
7712 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
7713 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
7714 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
7715 movtf_no_e_insn_sp64) Replace with new
7716 implementation which uses forced splits for all non-single insn
7718 (define_split DF move cases): New splits in similar vein to DI
7720 (define_insn sethi_di_medlow, sethi_di_medium_pic,
7721 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
7722 movdi_sp64_insn): Remove old v9 code model and constant loading
7724 (define_insn pic_lo_sum_di, pic_sethi_di,
7725 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
7726 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
7727 embmedany_sethi, embmedany_losum, embmedany_brsum,
7728 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
7729 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
7730 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
7731 scheme, using unspecs, secondary reloads, and one to one sparc
7732 insn to rtl insn mapping for better scheduling and code gen.
7733 (define_expand reload_indi, reload_outdi): Reload helpers for
7734 MEDANY and EMBMEDANY symbol address loading cases which require a
7736 (define_expand movsicc): Remove v8plus_regcmp cases.
7737 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
7738 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
7739 cmp_diqi_trunc_set): New patterns used by some of the new scc
7741 (define_insn xordi3_sp64_dbl): New pattern used for constant
7742 formation when crossing from 32-bit targets.
7743 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
7745 (define_insn addx, subx): Make visible and prettify.
7746 (define_insn adddi3_insn_sp32): Likewise and force split.
7747 (define_insn addx_extend, subx_extend, unnamed): New patterns for
7748 64bit scc split usage.
7749 (define_insn unnamed plusDI zero_extend, unnamed minusDI
7750 zero_extend, subdi3): Force and implement splits.
7752 * final.c (final_scan_insn): Don't output labels if target
7753 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
7756 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
7757 don't forget to walk inside SEQUENCESs too as these are what the
7758 delay slot scheduler will create.
7760 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
7762 * alpha.md (extxl+1,+2): New patterns to work around
7765 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
7767 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
7768 caused bad assembly code to be generated.
7770 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
7772 * netbsd.h: Fix typo.
7774 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
7776 * config.sub: Fix typo.
7778 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
7780 * invoke.texi (Environment Variables): Typo: Change "ascpects"
7782 (Running Protoize): Typo: Change "ther" into "other".
7784 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
7786 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
7787 * m68k/netbsd.h: Likewise.
7788 * ns32k/netbsd.h: Likewise.
7789 * sparc/netbsd.h: Likewise.
7791 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
7793 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
7794 * ginclude/va-clipper.h (va_list): Likewise.
7796 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
7798 * rs6000.c (rs6000_override_options): If big endian and -Os, use
7799 load/store multiple instructions unless user overrides.
7801 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
7803 * ns32k/netbsd.h: Fix typo.
7805 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
7807 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
7808 labels with .debugsym if no parallel insns.
7810 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
7812 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
7813 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
7815 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
7817 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
7818 (AR_FOR_TARGET): Define.
7820 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
7822 * dyn-string.h: New file.
7823 * dyn-string.c: Likewise.
7824 * Makefile.in (OBJS): Add dyn-string.o.
7825 (dwarf2out.o): Add dyn-string.h dependency.
7826 (dyn-string.o): List dependencies.
7827 * dwarf2out.c: Include dyn-string.h.
7828 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
7829 (addr_const_to_string): Take a dyn_string_t, not a char* as a
7830 prototype. Use dyn_string_append rather than strcat, throughout.
7831 (addr_to_string): Use dyn_string_t.
7833 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
7835 Function entry/exit profiling instrumentation:
7836 * expr.h (profile_function_entry_libfunc,
7837 profile_function_exit_libfunc): Declare new variables.
7838 * optabs.c: Define them here.
7839 (init_optabs): Initialize them.
7840 * tree.h (struct tree_decl): New flag
7841 no_instrument_function_entry_exit.
7842 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
7843 * c-decl.c (duplicate_decls): Merge it.
7844 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
7845 (init_attributes): Use it for "no_instrument_function".
7846 (decl_attributes): Handle it, for functions that have not yet been
7847 compiled. Set decl flag.
7848 * flags.h (flag_instrument_function_entry_exit): Declare new
7850 * toplev.c (flag_instrument_function_entry_exit): Define it here.
7851 (f_options): New option "instrument-functions".
7852 * function.h (struct function): New field instrument_entry_exit.
7853 * function.c (current_function_instrument_entry_exit): New
7855 (push_function_context_to, pop_function_context_from): Save and
7857 (expand_function_start): Set current_ variable, maybe emit return
7858 label and entry profile call.
7859 (expand_function_end): Maybe emit exit profile call.
7861 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
7863 * i386.md (movqi): When optimizing a load of (const_int 1) into a
7864 NON_QI_REG_P, pretend the register is SImode.
7866 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
7868 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
7869 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
7870 manufacturer id for ns32k.
7871 * configure: Regenerated.
7872 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
7873 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
7874 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
7875 * config/m68k/netbsd.h: Same.
7876 * config/ns32k/netbsd.h: Same.
7877 * config/sparc/netbsd.h: Same.
7879 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
7881 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
7882 or UNROLL_COMPLETELY loop that starts with a jump to its
7885 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
7887 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
7888 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
7889 (print_operand, case 'B'): Don't fall through.
7890 (print_operand, case 'S'): Correct mask begin/end computation.
7891 Use HOST_BITS_PER_WIDE_INT.
7892 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
7893 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
7894 * rs6000/aix41.h (CPP_PREDEFINES): Same.
7895 * rs6000/aix43.h (CPP_PREDEFINES): Same.
7897 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
7899 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
7900 constraint from second alternative.
7902 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
7904 * configure.in: Fix --without/--disable cases for local-prefix,
7905 gxx-include-dir and checking.
7907 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7909 * configure.in (enable_haifa): Set by default for sparc64 too.
7912 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
7914 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
7915 * i386/winnt.c (associated_type): New fn.
7916 (i386_pe_valid_type_attribute_p): New fn.
7917 (i386_pe_check_vtable_importexport): Remove.
7918 (i386_pe_dllexport_p): Use associated_type.
7919 (i386_pe_dllimport_p): Likewise.
7921 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
7922 * i386.c (i386_valid_type_attribute_p): Also accept
7923 attributes for METHOD_TYPEs.
7925 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
7927 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
7929 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
7931 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
7933 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
7934 them from generating a new base name for each occurence of
7937 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
7939 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
7941 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
7945 * cplus-dem.c (type_kind_t): New type.
7946 (demangle_template_value_parm): Add type_kind_t parameter. Rely
7947 on this paramter, rather than demangling the type again.
7948 (demangle_integral_value): Pass tk_integral.
7949 (demangle_template_: Pass the value returned from do_type.
7950 (do_type): Return a type_kind_t. Pass tk_integral to
7951 demangle_template_value_parm for array bounds.
7952 (demangle_fund_type): Likewise.
7954 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
7956 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
7959 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
7961 * pa.c (move_operand): Accept CONSTANT_P_RTX.
7963 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
7965 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
7967 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
7970 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
7972 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
7973 (DEBUGGER_ARG_OFFSET): Likewise.
7975 * mn10300.md (movsf): Remove last change. Not needed.
7977 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
7979 * c-lex.c (yylex): Fix boundary conditions in character literal and
7980 string literal loops.
7982 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
7984 * longlong.h (count_leading_zeros): Sparclite scan instruction was
7985 being invoked incorrectly.
7987 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
7988 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
7990 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
7991 * configure.in: Added i[34567]86-*-win32
7992 * config.sub: Ditto.
7993 * configure: Rebuilt.
7995 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
7997 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
7998 the frame pointer and compiling PIC code and reload has not completed.
8000 * i386.c (output_to_reg): Add code to emulate non-popping DImode
8003 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
8005 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
8007 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8009 * Makefile.in (install-info): Only try to update the info
8010 directory file if it exists in the first place.
8012 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
8014 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
8016 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
8018 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
8019 CONST_DOUBLE source.
8021 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
8023 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
8024 strings as the insertion of USER_LABEL_PREFIX.
8025 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
8027 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
8030 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
8032 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
8033 already defined type.
8035 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
8037 * expr.c (check_max_integer_computation_mode): Allow conversions
8038 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
8039 (expand_expr): Likewise.
8041 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8043 * expr.c (expand_expr): Expand RETURN_EXPR.
8045 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
8047 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
8049 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
8051 * dwarf2out.c (output_aranges): Call stripattributes
8052 for TEXT_SECTION references.
8053 (output_line_info): Likewise.
8055 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8057 * profile.c (branch_prob): Call allocate_reg_info after outputting
8058 profile rtl in instrument_arcs.
8060 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
8062 * fixinc.irix (math.h): Install wrapper instead of copying.
8064 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8066 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
8067 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
8068 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
8069 lang_flag_0. Added documentation in the flag table.
8071 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
8073 * cccp.c (do_include): Fix vax c style include handling.
8075 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8077 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
8079 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
8081 * fold-const.c (non_lvalue): Don't deal with null pointer
8083 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8085 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
8087 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
8088 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
8089 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
8090 (u_short_cint_operand): Same.
8091 (reg_or_cint_operand): Same.
8092 (logical_operand): Same.
8093 (input_operand): Same.
8094 (reg_or_short_operand): Use u_short_cint_operand.
8096 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
8098 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
8099 but keep the insns and splits. Adjust so when the ultimate destination
8100 is memory, use cvtql.
8102 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
8104 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
8106 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
8108 * gcc.c (do_spec): Call "error" not "warning".
8110 * configure.in: Fix minor problems with gas feature detection code.
8111 * configure: Rebuilt.
8113 * gcc.c (do_spec): Issue a warning for '%[]' usage.
8116 * gcc.c: Delete %[spec] support.
8117 (do_spec_1, case '('): Likewise.
8118 (do_spec_1, case '['): Call error.
8120 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
8122 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
8123 (CPP_SUBTARGET_SPEC): Default to empty string.
8124 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
8125 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
8126 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
8127 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
8129 * alpha/linux.h (CPP_PREDEFINES): Tidy.
8130 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
8131 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
8132 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
8133 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
8134 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
8135 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
8136 * alpha/vxworks.h: Likewise.
8138 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
8140 * mips.md (reload_outsi): Added missing REGNO call.
8141 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
8143 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
8144 another match_operator and compare the codes.
8146 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
8148 * MIPS multiply pattern fixes:
8149 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8150 Add union classes for HI, LO, or HILO plus general registers.
8151 (GENERATE_MADD): Deleted.
8152 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
8153 Add TARGET_MAD to condition.
8154 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
8155 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
8156 "*d" for accumulator, to give preference to LO initially but not
8159 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
8161 * configure.in (enable_c_mbchar): New configure option.
8162 (extra_cpp_objs): Always available now.
8164 * cexp.y (mbchar.h): #include it.
8165 (yylex): Handle Multibyte characters in character literals.
8167 * cccp.c (mbchar.h): #include it.
8168 (main): Set character set based on LANG environment variable.
8169 (rescan): Handle multibyte characters in comments.
8170 (skip_if_group): See above.
8171 (validate_else): See above.
8172 (skip_to_end_of_comment): See above.
8173 (macarg1): See above.
8174 (discard_comments): See above.
8175 (rescan): Handle multibyte characters in string and character literals.
8176 (collect_expansion): See above.
8177 (skip_quoted_string): See above.
8178 (macroexpand): See above.
8179 (macarg1): See above.
8180 (discard_comments): See above.
8181 (change_newlines): See above.
8183 * c-lex.c (mbchar.h): #include it.
8184 (GET_ENVIRONMENT): New macro.
8185 (init_lex): Set character set based on LANG environment variable.
8186 (yylex): Handle multibyte characters in character literals.
8187 (yylex): Handle multibyte characters in string literals.
8189 * Makefile.in (mbchar.o): New target.
8190 (cccp$(exeext)): @extra_cpp_objs@ is always available.
8191 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
8193 * mbchar.[ch]: New files for multibyte character handling.
8195 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8197 * jump.c (jump_optimize): When simplifying noop moves and
8198 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
8199 the PUSHes to rewrite in second loop as we did in the first.
8201 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8203 * cplus-dem.c (demangle_nested_args): Make function definition
8204 static to match the prototype.
8206 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
8208 * alloca.c: Respect USE_C_ALLOCA.
8209 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
8210 * gengenrtl.c (xmalloc): Likewise.
8212 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
8214 * loop.h (struct induction): Add no_const_addval.
8215 * loop.c (the_movables, reg_address_cost): New variables.
8216 (init_loop): Init reg_address_cost.
8217 (loop_optimize): Call end_alias_analysis.
8218 (scan_loop): Init the_movables.
8219 (record_giv): Init induction->no_const_addval.
8220 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
8221 [REG]: Rearrange loop search test to catch more cases.
8222 (general_induction_var): Return success not benefit; take an extra
8223 argument for that. Change all callers.
8224 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
8225 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
8226 [default]: Search the_movables for additional combinations.
8227 (sge_plus_constant, sge_plus): New functions.
8228 (express_from_1): New function.
8229 (express_from): Always define. Rewrite using express_from_1.
8230 (combine_givs_p): Handle more cases. Ignore address cost.
8231 (cmp_combine_givs_stats): New function.
8232 (combine_givs_used_once, combine_givs_benefit_from): New functions.
8233 (combine_givs): Rewrite to do best-fit combination.
8235 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
8236 (fold): Do a complete (A*C)+(B*C) association check.
8238 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
8240 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
8242 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
8244 * mn10300.c (MODES_TIEABLE_P): Fix typo.
8246 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
8248 * tree.c (valid_machine_attribute): Only create a new type variant if
8249 there is a decl to use it.
8251 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
8253 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
8256 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
8258 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
8261 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
8263 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
8264 Simplify tests for clearing an address register.
8265 (expand_prologue): Corresponding changes.
8267 * mn10300.md (movXX patterns): Make sure the destination is an
8268 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
8269 (logical patterns): Split into expanders + patterns
8270 (zero and sign extension patterns): Similarly.
8271 (shift patterns): Similarly.
8273 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8275 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8276 for the sequence, recording base values.
8278 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8280 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
8282 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
8284 * gcc.c: Remove ANSI-C ism from --help code.
8286 * toplev.c: Support --help with USE_CPPLIB.
8288 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
8290 * configure.in: Rework gas feature code to work with symlink based
8293 * extend.texi: Clarify some issues related to local variables
8294 assigned to explicit registers.
8296 * mn10300.md (mulsi): Turn into expander + pattern.
8298 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
8301 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
8303 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
8305 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
8307 * version.c: Bump again to distinguish mainline tree from the
8310 See ChangeLog.0 for earlier changes.
8313 add-log-time-format: current-time-string
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