1 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
3 * gcse.c: Include expr.h in order to get the prototype for
4 get_condition() which is used in delete_null_pointer_checks().
6 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
10 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
12 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
13 (ALL_CFLAGS): Delete SCHED_CFLAGS.
15 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
17 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
19 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
21 * toplev.c (main): Disable optimize_size if a specific
22 optimization level is requested. Always set optimization
23 level to 2 if -Os is specified.
25 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
27 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
29 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
30 initialize it using fname.
32 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
34 * cpplib.c (do_include): Treat #include_next in the
35 primary source file as #include plus warning. Treat
36 #include_next in a file included by absolute path as an
37 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
39 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
41 * cccp.c: Don't define MIN/MAX anymore.
43 * machmode.h: Likewise.
44 * system.h: Provide definitions for MIN/MAX.
46 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
48 * fix-header.c: Don't define xstrdup here.
50 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
52 * loop.c (consec_sets_giv): New argument last_consec_insn.
53 (strength_reduce): Provide / use it.
55 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
57 * loop.h (loop_info): New field 'vtop'.
58 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
59 scanning loop for vtop.
60 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
61 (loop_iterations): Use them to determine if loop has a constant
62 number of iterations. Set loop_info->vtop. Don't subtract
63 common reg term from initial_value and final_value if have a
66 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
68 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
70 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
72 * mn10200.md (abssf2, negsf2): New expanders.
74 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
76 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
78 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
79 replaced by a CONCAT whoes components do not have the same
80 mode as the original SUBREG, use a new SUBREG to restore the
83 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
84 multiword complex values.
86 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
88 * cppalloc.c: Add xstrdup here.
89 * cpplib.h: Remove savestring prototype.
90 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
92 * cppfiles.c: s/savestring/xstrdup/ throughout.
94 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
96 * cpplib.c: Make all directive handlers read their own
98 (struct directive): Remove last two arguments from FUNC
99 member prototype. Remove `command_reads_line' member
101 (directive_table): Remove initializations of
102 command_reads_line flag. Pretty-print.
103 (eval_if_expression, do_define, do_line, do_include,
104 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
105 do_else, do_elif, do_sccs, do_assert, do_unassert,
106 do_warning): Take only two args.
108 (cpp_define): Call do_define with two args and the text to
109 define stuffed into a buffer.
110 (make_assertion): Call do_assert with two args.
111 (handle_directive): Call do_line with two args. Call
112 kt->func with two args. Remove command_reads_line
114 (do_define, do_undef, do_error, do_warning, do_pragma,
115 do_sccs): Read the rest of the line here.
116 (do_ident): Gobble rest of line, as cccp does.
117 (cpp_undef): New function.
118 (cpp_start_read): Call cpp_undef instead of do_undef.
120 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
122 * cpphash.h (union hash_value): Remove `keydef' member, add a
123 `struct hashnode *aschain' member for #assert.
125 * cpplib.c (struct tokenlist_list, struct
126 assertion_hashnode): Delete structure definitions.
127 (assertion_install, assertion_lookup, delete_assertion,
128 check_assertion, compare_token_lists, reverse_token_list,
129 read_token_list, free_token_list): Delete functions.
130 (parse_assertion): New function.
131 (cpp_cleanup): Don't destroy the assertion_hashtable.
133 (do_assert): Gut and rewrite. #assert foo (bar) places
134 entries for `#foo' and `#foo(bar)' in the macro hash table,
135 type T_ASSERT. The value union's `aschain' member is used
136 to chain all answers for a given predicate together.
137 (do_unassert): Also rewritten. Take an un-asserted
138 answer off the chain from its predicate and call
139 delete_macro on the hashnode, or walk a predicate chain
140 calling delete_macro on all the entries.
141 (cpp_read_check_assertion): Simply call parse_assertion to
142 get the canonical assertion name, and look that up in the
145 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
148 * cpphash.c (install): Use bcopy instead of an explicit loop
149 to copy the macro name.
151 * cppexp.c (cpp_lex): Convert the result of
152 cpp_read_check_assertion to a `struct operation' directly;
153 don't go through parse_number.
155 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
157 * loop.h (struct induction): Delete times_used member.
158 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
159 (n_times_used): Rename to n_times_set. Changed all users.
160 (scan_loop): Free reg_single_usage before strength reduction.
161 (record_giv, combine_givs): Remove handling of times_used member.
162 (combine_givs_used_once): Rename to:
163 (combine_givs_used_by_other) . Changed all callers.
165 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
167 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
168 instead of TREE_CODE_CLASS == 't'.
169 (gen_type_die): Likewise.
170 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
172 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
174 * real.c (endian): Disable last change unless
175 HOST_BITS_PER_WIDE_INT is greater than 32.
177 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
179 * output.h (force_data_section): New prototype.
180 * varasm.c (force_data_section): New function to force the
181 data section, regardless of what in_section thinks.
182 * dwarf2out.c (output_call_frame_info): Call force_data_section
183 since varasm may not realize we've changes sections.
185 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
187 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
188 after completeing reload.
190 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
191 deleted after reload.
193 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
195 * rtl.h (multiple_sets): Fix prototype.
196 * rtlanal.c (multiple_sets): Fix return type.
198 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
200 * version.c: Bump for snapshot.
202 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
204 * version.c: Bump for snapshot.
206 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
208 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
210 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
212 * rtl.h (recompute_reg_usage): Add second argument.
213 * flow.c (recompute_reg_usage): Likewise.
214 * toplev.c (rest_of_compilation): Supply second argument to
217 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
220 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
222 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
223 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
224 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
227 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
229 * rtlanal.c (multiple_sets): New function.
230 * rtl.h (multiple_sets): Declare it.
231 * local-alloc.c (wipe_dead_reg): Use it.
232 * global.c (global_conflicts): Likewise.
234 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
236 * global.c (record_conflicts): Don't use an array of shorts to
237 store an array of ints.
238 (global_conflicts): Likewise.
240 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
242 * alpha.c (alpha_expand_block_move): mode_for_size expects
243 bits, not bytes. Infer extra alignment from addressof.
245 1998-12-11 Michael Meissner <meissner@cygnus.com>
247 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
248 .sbss section, not .sdata.
250 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
252 * cccp.c: Do not #include <sys/stat.h> here; this is already done
254 * collect2.c: Likewise.
255 * cpplib.h: Likewise.
258 * getpwd.c: Likewise.
259 * protoize.c: Likewise.
260 * toplev.c: Likewise.
262 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
263 and don't try to define it here.
264 * Makefile.in (cppmain.o): Depend on machmode.h.
265 (cpplib.o): Likewise.
266 (cpperror.o): Likewise.
267 (cppexp.o): Likewise.
268 (cppfiles.o): Likewise.
269 (cpphash.o): Likewise.
270 (cppalloc.o): Likewise.
271 (fix-header.o): Likewise.
272 (scan-decls.o): Likewise.
274 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
276 * sh.c (print_operand): lookup interrupt_handler attribute instead
277 of relying on static variable.
278 * (calc_live_regs): Likewise.
279 * (sh_pragma_insert_attributes): Create interrupt_handler
280 attribute if a pragma was specified
281 * (sh_valid_machine_decl_attribute): Don't set static flag.
282 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
284 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
286 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
287 to determine if a register is live at a jump destination.
288 Everything is dead at a BARRIER.
290 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
292 * cse.c (simplify_unary_operation): Sign-extend constants when
293 they have the most significant bit set for the target.
294 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
296 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
297 HOST_WIDE_INT temporary before negating it.
298 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
300 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
302 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
305 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
307 * collect2.h: New header file for prototypes.
309 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
311 * collect2.c: Include collect2.h.
314 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
316 * flow.c: Update some comments.
318 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
320 * objc/objc-act.c (cpp_initialized): Removed.
321 (lang_init_options): Initialize cpplib.
322 (lang_decode_option): Move initialization of cpplib to
324 * c-lang.c: (parse_options,parse_in): Added.
325 (lang_init_options): Initialized cpplib here.
326 * c-decl.c (parse_options,cpp_initialized): Removed.
327 (c_decode_option): Move initialization of cpplib to
330 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
332 * reload1.c (reload_combine, reload_combine_note_store):
333 Make STORE_RUID always valid.
334 (reload_combine): Check if BASE is clobbered too early.
336 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
338 * reload.c (find_reloads): Display the insn that cannot be
341 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
343 * cccp.c (create_definition): Fix end of bufer logic.
345 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
347 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
348 pointer parameters changed to use the PARAMS() macro.
350 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
352 * except.h (struct handler_info): Add handler_number field.
353 * except.c (gen_exception_label): EH labels no longer need to be
354 on the permanent obstack.
355 (get_new_handler): Set the label number field.
356 (output_exception_table_entry): Regenerate handler label reference
357 from the label number field.
358 (init_eh): Remove a blank line.
359 * integrate.c (get_label_from_map): Labels no longer need to be
360 on the permanent obstack.
362 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
364 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
365 only when OUTER_CODE is SET.
367 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
369 * loop.c (strength_reduce): If scan_start points to the loop exit
370 test, be wary of subversive use of gotos inside expression statements.
371 Don't set maybe_multiple for a backward jump that does not
372 include the label under consideration into its range.
373 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
375 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
377 * explow.c (plus_constant_wide): Don't immediately return with
378 result of recursive call.
380 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
382 * eh-common.h (struct eh_context): Add table_index for rethrows.
384 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
385 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
386 processed when inlined or unrolled (ie duplicated in some way).
388 * rtl.c (reg_note_name): Add strings for new reg_note enums.
390 * expr.h (rethrow_libfunc): New library decl.
392 * optabs.c (rethrow_libfunc): Initialize.
394 * except.h (struct eh_entry): Add new field 'rethrow_label'.
395 (new_eh_region_entry): No longer exported from except.c.
396 (duplicate_handlers): Renamed to duplicate_eh_handlers and
398 (rethrow_symbol_map, rethrow_used): New exported functions.
399 (eh_region_from_symbol): New exported function.
401 * except.c (create_rethrow_ref): New function to create a single
402 SYMBOL_REF for a rethrow region.
403 (push_eh_entry): Initialize a rethrow ref.
404 (func_eh_entry): Add a rethrow_label field.
405 (new_eh_region_entry): Make static, and initialize the rethrow entry.
406 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
407 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
408 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
409 a region into an appropriate new symbol.
410 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
411 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
412 (end_catch_handler): Emit a barrier for new-exceptions since
413 control can never drop through the end of a catch block.
414 (expand_end_all_catch): new-exceptions never fall through a catch
416 (expand_rethrow): use __rethrow routine for new exceptions.
417 (output_exception_table_entry): Generate rethrow labels, if needed.
418 (output_exception_table): Generate start and end rethrow labels.
419 (init_eh): Create rethrow symbols for beginning and end of table.
420 (scan_region): Don't eliminate EH regions which are the targets of
423 * flow.c (make_edges): Add different edges for rethrow calls,
424 identified by having the REG_EH_RETHROW reg label.
425 (delete_unreachable_blocks): Don't delete regions markers which are
426 the target of a rethrow.
428 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
429 allow save_for_inline_copying to call duplicate_eh_handlers.
430 (save_for_inline_copying): Call duplicate_eh_handlers instead of
431 exposing internal details of exception regions.
432 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
433 (expand_inline_function_eh_labelmap): New callback routine to
434 allow expand_inline_function to call duplicate_eh_handlers.
435 (expand_inline_function): Call duplicate_eh_handlers instead of
436 exposing internal details of exception regions.
437 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
440 * libgcc2.c (find_exception_handler): Generalize to enable it to
441 pick up processing where it left off last time for a rethrow.
442 (__unwinding_cleanup): New function. debug hook which is called before
443 unwinding when __throw finds there is nothing but cleanups left.
444 (throw_helper): Common parts of __throw extracted out for reuse.
445 (__throw): Common parts moved to throw_helper.
446 (__rethrow): New function for performing rethrows.
448 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
450 * reload1.c (current_function_decl): Tweak declaration.
452 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
454 * c-decl.c (flag_isoc9x): Default off.
455 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
456 * cccp.c (print_help, main): Likewise.
457 * gcc.c (default_compilers): Update for -std=gnu*.
459 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
461 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
462 * demangle.h: Deleted.
464 * reload1.c (current_function_decl): Declare.
466 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
468 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
470 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
472 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
474 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
476 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
478 * configure: Rebuilt.
479 * system.h: If the *_unlocked functions are available use them
480 instead of the locked counterparts by defining macros.
481 * config.in: Regenerated.
483 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
485 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
486 wrong and should only be used for dump related things, not
487 debugging information, instead main_input_filename should be used.
488 Also, reuse output_file_directive if possible.
489 * i386/aix386ng.h (ASM_FILE_START): Likewise.
490 * i386/isc.h (ASM_FILE_START): Likewise.
491 * i386/win-nt.h (ASM_FILE_START): Likewise.
492 * i386/sun386.h (ASM_FILE_START): Likewise.
494 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
496 * configure.in (mips*-*-linux*): Handle big and little endian
498 * configure: Rebuilt.
500 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
502 * emit-rtl.c: Fix typo.
504 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
506 * reload1.c (eliminate_regs): Don't do anything, if we're not
509 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
511 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
513 * mips/mips.c (mips_select_section): Add comment.
515 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
517 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
518 characters in file names in #line to be consistent with #include
519 handling. We support escape prcessing in the # 1 "..." version of
520 the command. See also support in cp/lex.c.
521 (handle_directive): Likewise.
524 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
526 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
527 so it'll work on non-ASCII platforms. Always consider $ an
528 identifier character. Take no arguments.
529 (cpp_reader_init): Call initialize_char_syntax with no
531 (cpp_start_read): Don't call initialize_char_syntax again.
532 Clear is_idchar['$'] and is_idstart['$'] if not
533 opts->dollars_in_ident.
535 * cpplib.h (struct cpp_reader): Replace void *data element by
536 cpp_options *opts. Rearrange elements to make gdb printout
537 less annoying (put buffer stack at end).
538 (CPP_OPTIONS): Get rid of now-unnecessary cast.
540 * cppmain.c: s/data/opts/ when initializing cpp_reader
542 * c-decl.c: Likewise.
543 * objc/objc-act.c: Likewise.
544 * fix-header.c: Likewise.
546 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
548 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
549 with a struct file_name_list pointer.
550 (struct cpp_reader): Add pointer to chain of `actual
551 directory' include searchpath entries.
552 (struct file_name_list): Add *alloc pointer for the sake of
553 the actual-directory chain.
555 Move definition of HOST_WIDE_INT here.
556 (cpp_parse_escape): Change prototype to match changes in
559 * cppfiles.c (actual_directory): New function.
560 (finclude): Use it to initialize the buffer's actual_dir
562 (find_include_file): We don't need to fix up max_include_len
565 * cpplib.c (do_include): Don't allocate a file_name_list on
566 the fly for current directory "" includes, use the one that's
567 been preallocated in pfile->buffer->actual_dir. Hoist out
568 duplicate code from the search_start selection logic.
569 (cpp_reader_init): Initialize pfile->actual_dirs.
571 Remove definition of HOST_WIDE_INT. Change calls
572 to cpp_parse_escape to match changes in cppexp.c (note
573 hardcoded MASK, which is safe since this is the source
576 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
577 to handle wide character constants in #if directives. The
578 function now returns a HOST_WIDE_INT, and takes a third
579 argument which is a binary mask for all legal values (0x00ff
580 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
581 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
582 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
584 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
586 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
588 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
590 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
591 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
592 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
594 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
596 * final.c (output_asm_name): Use tabs to seperate comments from
599 Include instruction lengths (if defined) in output.
601 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
603 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
604 in the loop_info structure.
606 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
608 * configure.in: (arm*-*-ecos-elf): New target.
609 * configure: Regenerated.
610 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
611 * config/arm/ecos-elf.h: New file.
612 * config/arm/unknown-elf.h (TARGET_VERSION): Check
615 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
617 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
619 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
621 * version.c: Bump for snapshot.
623 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
625 * loop.c (check_dbra_loop): New argument loop_info. Update fields
628 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
630 * version.c: Bump for snapshot.
632 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
634 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
635 compressed reports are ok and preferred over URLs
637 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
639 * invoke.texi (Warning Options): Soften the tone of -pedantic
641 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
643 * print-rtl.c (print_rtx): Add prototype.
645 * unroll.c (iteration_info): Make it static.
647 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
649 * alias.c (memrefs_conflict_p): A second ANDed address
650 disables the aligned address optimization.
652 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
654 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
657 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
659 * i960.h (BOOL_TYPE_SIZE): Define.
661 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
663 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
664 from old valid_parallel_operands_4.
665 (valid_parallel_operands_4): Check that operands for 4 operand
666 parallel insns are valid, excluding load/store insns.
667 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
668 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
669 valid_parallel_load_store instead of valid_parallel_operands_4.
670 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
671 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
672 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
673 *notqi_movqi_clobber): Use valid_parallel_operands_4.
674 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
675 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
676 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
678 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
680 * config/c4x/c4x.c (iteration_info): Delete extern.
682 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
684 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
686 * final.c (cleanup_subreg_operands): Delete some unused code.
688 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
689 (struct insn_alternative): New structure definition.
690 (recog_op_alt): Declare variable.
691 (preprocess_constraints): Declare function.
692 * recog.c (recog_op_alt): New variable.
693 (extract_insn): Verify number of alternatives is in range.
694 (preprocess_constraints): New function.
695 * reg-stack.c: Include recog.h.
696 (constrain_asm_operands): Delete.
697 (get_asm_operand_lengths): Delete.
698 (get_asm_operand_n_inputs): New function.
699 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
700 N_OUTPUTS args. All callers changed.
701 Compute number of inputs and outputs here by calling
702 get_asm_operand_n_inputs.
703 Instead of constrain_asm_operands, call extract_insn,
704 constrain_operands and preprocess_constaints. Use information
705 computed by these functions throughout.
706 (record_reg_life): Delete code that is unused due to changes in
708 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
709 N_INPUTS and N_OUTPUTS args. All callers changed.
710 Similar changes as in record_asm_reg_life.
711 (subst_stack_regs): Move n_operands declaration into the if statement
713 Delete code that is unused due to changes in subst_asm_stack_regs.
714 * stmt.c (expand_asm_operands): Verify number of alternatives is in
716 * Makefile.in (reg-stack.o): Depend on recog.h.
718 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
720 * except.c (set_exception_version_code): Argument is an "int".
722 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
724 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
725 * configure: Rebuilt.
727 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
729 * configure.in (mipsel-*-linux*): New target.
730 * mips/linux.h: New file, based on other Linux targets.
732 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
734 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
735 runs in the context of the deleter, not the deletee, so we must
736 use taskVarGet to find the correct memory to free.
737 (__gthread_key_create): Initialize the task
738 variable subsystem so that the task variable is still active when
739 the delete hook is run.
741 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
743 * pdp11.h: Use optimize_size for space optimizations.
745 * pdp11.md: Likewise.
747 * pdp11.h (TARGET_40_PLUS): Fix typo.
749 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
751 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
754 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
756 * alias.c (addr_side_effect_eval): New function.
757 (memrefs_conflict_p): Use it.
758 * rtl.h (addr_side_effect_eval): Prototype it.
760 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
762 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
764 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
766 * reload.c (find_reloads): When force const to memory, put result
767 in substed_operand not *recog_operand_loc.
769 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
771 * c-lex.c: Fix indentation from last patch.
772 Remove trailing whitespace.
775 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
777 * flow.c (delete_block): Call set_last_insn after we have reset
778 NEXT_INSN (kept_tail).
780 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
782 * mips.md (trap_if): Use "$0" for the value zero.
784 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
785 Stephen L Moshier <moshier@world.std.com>
786 Richard Henderson <rth@cygnus.com>
788 * c-common.c (declare_function_name): Declare predefinied variable
791 * c-decl.c (flag_isoc9x): Set to 1 by default.
792 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
793 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
795 * c-parse.in: Allow constructors in ISO C 9x.
796 Rewrite designator list handling.
797 Allow [*] parameters.
798 Don't warn about comma at end of enum definition for ISO C 9x.
800 * cccp.c (c9x): New variable.
801 (rest_extension): New variable.
802 (print_help): Document new -std= option.
803 (main): Recognize -std= option. Set c9x appropriately.
804 (create_definition): Recognize ISO C 9x vararg macros.
806 * gcc.c (default_compilers): Adjust specs for -std options.
807 (option_map): Add --std.
808 (display_help): Document -std.
810 * toplev.c (documented_lang_options): Add -std and remove
813 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
814 or REAL_VALUE_HTOF based on base of the constants.
815 * fold-const.c (real_hex_to_f): New function. Replacement function
816 for hex FP conversion if REAL_ARITHMETIC is not defined.
817 * real.c (asctoeg): Add handling of hex FP constants.
818 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
821 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
823 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
824 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
825 expansion. Use hi/lo as destination register.
827 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
828 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
829 Avoid as macro expansion. Use hi/lo as destination register.
831 * mips.h (MASK_CHECK_RANGE_DIV): New.
832 (MASK_NO_CHECK_ZERO_DIV): New.
833 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
834 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
835 return address for leaf functions out of r31 to support
836 builtin_return_address.
838 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
840 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
841 NEXT_INSN(x) to check insn x.
843 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
845 * flow.c (delete_block): Call set_last_insn if we end up deleting the
846 last insn in the rtl chain.
848 * reload1.c (reload): Do not set reload_completed or split insns
850 * toplev.c (rest_of_compilation): Set reload_completed after
851 reload returns. Split insns after reload_cse has run.
853 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
855 * final.c (final_scan_insn): Abort if block_depth falls below 0.
857 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
859 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
861 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
863 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
864 use of user-label_prefix.
866 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
868 * reload1.c (emit_reload_insns): Clear spill_reg_store
869 when doing a new non-inherited reload from the same pseudo.
871 * local-alloc.c (function_invariant_p): New function.
872 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
873 to decide if an equivalence should be recorded.
874 * reload1.c (num_eliminable_invariants): New static variable.
875 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
876 to decide if an equivalence should be recorded.
878 (calculate_needs_all_insns): Skip insns that only set an equivalence.
879 Take num_eliminable_invariants into account when deciding
880 if register elimination should be done.
881 (reload_as_needed): Take num_eliminable_invariants into account
882 when deciding if register elimination should be done.
883 (eliminate_regs): Handle non-constant reg_equiv_constant.
884 * rtl.h (function_invariant_p): Declare.
886 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
888 * version.c: Bump for snapshot.
890 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
892 * version.c: Bump for snapshot.
894 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
896 * except.c (add_new_handler): Complain about additional handlers
897 after one that catches everything.
899 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
901 * configure.in (alpha*-*-netbsd): Fix typo.
902 * configure: Rebuilt.
904 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
906 * system.h: Include libiberty.h.
908 * c-aux-info.c: Remove prototypes for concat/concat3. Change
909 function `concat' from fixed parameters to variable parameters,
910 as is done in libiberty. All callers of concat/concat3
911 changed to use the new `concat' with variable args.
913 * cccp.c: Remove things made redundant by libiberty.h and/or
914 conform to libiberty standards.
916 * collect2.c: Likewise.
917 * config/1750a/1750a.h: Likewise.
918 * cppalloc.c: Likewise.
919 * cppexp.c: Likewise.
920 * cppfiles.c: Likewise.
921 * cpphash.c: Likewise.
922 * cpplib.c: Likewise.
923 * dyn-string.c: Likewise.
924 * fix-header.c: Likewise.
927 * genattr.c: Likewise.
928 * genattrtab.c: Likewise.
929 * gencheck.c: Likewise.
930 * gencodes.c: Likewise.
931 * genconfig.c: Likewise.
932 * genemit.c: Likewise.
933 * genextract.c: Likewise.
934 * genflags.c: Likewise.
935 * gengenrtl.c: Likewise.
936 * genopinit.c: Likewise.
937 * genoutput.c: Likewise.
938 * genpeep.c: Likewise.
939 * genrecog.c: Likewise.
940 * getpwd.c: Likewise.
941 * halfpic.c: Likewise.
943 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
944 in NEED_DECLARATION_* macros.
946 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
947 conform to libiberty standards.
948 (fatal): Fix const-ification of variable `format' in
949 !ANSI_PROTOTYPES case.
951 * prefix.c: Remove things made redundant by libiberty.h and/or
952 conform to libiberty standards.
954 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
955 conflicting with function `spaces' from libiberty.
957 * profile.c: Remove things made redundant by libiberty.h and/or
958 conform to libiberty standards.
959 * protoize.c: Likewise.
963 * toplev.c: Likewise.
964 * toplev.h: Likewise.
967 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
969 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
971 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
973 * README.C4X: Updated URLs.
974 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
975 (valid_parallel_operands_5): Remove unused variable.
977 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
979 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
981 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
983 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
984 which can be configured.
985 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
986 (Makefile): Pass actual LANGUAGES through the environment when
988 (cstamp-h): Likewise.
989 (config.status): Likewise.
991 * configure.in (enable_languages): Add new configuration parameter
992 "--enable-languages=lang1,lang2,...".
993 (${srcdir}/*/config-lang.in): Change handling to configure only
994 those directories, that the user might have enabled; default to
995 "all" existing languages.
996 * configure: Regenerate.
998 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
1000 * rtlanal.c (regs_set_between_p): New function.
1001 * rtl.h (regs_set_between_p): Prototype it.
1002 * jump.c (jump_optimize): Use it instead of modified_between_p
1003 in the Sep 2 change.
1005 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
1006 Matthias Pfaller <leo@dachau.marco.de>
1008 * invoke.texi (Option Summary, NS32K Options): add description
1009 of NS32K specific options.
1011 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
1012 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
1013 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
1014 negdf2, absdf2): Use l instead of f since the double class and
1015 float class are no longer the same.
1016 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
1017 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
1018 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
1019 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
1021 (cmpsi, cmphi, cmpqi): use general_operand instead of
1022 non_immediate_operand. Removes erroneous assumption that can't
1024 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
1025 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
1027 (movstrsi, movstrsi1, movstrsi2): completely new block move
1029 (...): Patterns to exploit multiply-add instructions.
1030 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
1031 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
1032 patterns to exploit extended divide insns.
1033 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
1036 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
1037 float return values as well as simple scalar floats.
1038 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
1039 support new flag to denote 32381 fpu.
1040 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
1041 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
1043 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1044 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
1045 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
1046 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
1047 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
1048 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
1049 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
1050 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
1051 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
1052 fpu registers and special register classes for new 32381
1053 instructions dotf and polyf.
1054 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
1056 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
1057 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
1059 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
1060 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
1061 (REGISTER_MOVE_COST): move code to register_move_cost function for
1062 ease of coding and debugging.
1063 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
1064 LONG_FLOAT_REGO is likely spilled but not caught by default
1066 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
1067 instead of hard coded numbers in range check.
1068 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
1069 (...): Add prototypes for functions in ns32k.c but disable because
1070 of problems when ns32k.h is included in machine independant files.
1072 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
1073 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
1074 hard_regno_mode_ok, secondary_reload_class,
1075 print_operand, print_operand_address): new register scheme to
1076 include 32381 fpu registers and special register classes for new
1077 32381 instructions dotf and polyf.
1078 (gen_indexed_expr): Make static to keep namespace clean.
1079 (check_reg): remove since never called.
1080 (move_tail, expand_block_move): helper functions for "movstrsi"
1082 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
1083 Increase cost of moves which go via memory.
1084 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
1085 (CPP_PREDEFINES): nolonger predefine "unix".
1087 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
1088 Remove erroneous %$. print_operand() can work out from the rtx is
1089 an immediate prefix is required.
1091 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
1092 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
1093 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
1095 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
1098 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
1099 Correct handling of pic operands.
1100 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
1101 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
1102 -mrtd calling convention.
1104 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
1106 * gcc.c (option_map): Recognize --output-class-directory.
1108 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1110 * loop.h (precondition_loop_p): Added new mode argument.
1111 * unroll.c (precondition_loop_p): Likewise.
1112 (approx_final_value): Function deleted and subsumed
1113 into loop_iterations.
1114 (loop_find_equiv_value): New function.
1115 (loop_iterations): Use loop_find_equiv_value to find increments
1116 too large to be immediate constants. Also use it to find terms
1117 common to initial and final iteration values that can be removed.
1119 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1121 * loop.h (struct loop_info): Define new structure.
1122 (precondition_loop_p): Added prototype.
1123 (unroll_loop): Added new argument loop_info to prototype.
1124 (final_biv_value, final_giv_value): Added new argument n_iterations
1126 * loop.c (strength_reduce): Declare new structure loop_iteration_info
1127 and new pointer loop_info.
1128 (loop_n_iterations): Replace global variable by element in
1129 loop_info structure.
1130 (check_final_value): New argument n_iterations.
1131 (insert_bct): New argument loop_info.
1132 (loop_unroll_factor): Replace global array by element in
1133 loop_info structure.
1134 (loop_optimize): Remove code to allocate and initialise
1135 loop_unroll_factor_array.
1136 * unroll.c (precondition_loop_p): No longer static since
1137 used by branch on count optimization.
1138 (precondition_loop_p, unroll_loop): New argument loop_info.
1139 (final_biv_value, final_giv_value, find_splittable_regs): New
1140 argument n_iterations.
1141 (loop_iteration_var, loop_initial_value, loop_increment,
1142 loop_final_value, loop_comparison_code, loop_unroll_factor):
1143 Replaced global variables by loop_info structure.
1144 (loop_unroll_factor): Replace global array by element in
1145 loop_info structure.
1147 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1149 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
1152 * unroll.c (precondition_loop_p): Return loop_initial_value
1153 for initial_value instead of loop_iteration_var.
1155 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1157 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
1158 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
1159 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
1160 to output the instruction sequences.
1162 (rptb_top): Provide alternatives to use any register or memory
1164 (rptb_end): Emit use of operands rather than assigning them
1165 explicitly to the RS and RE registers.
1167 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1169 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
1170 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
1171 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
1172 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
1173 c4x_merge_notes, c4x_parallel_process,
1174 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
1175 c4x_combine_parallel): Delete.
1177 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1179 * config/c4x/c4x.c: (c4x_override_options): For compatibility
1180 with old target options clear flag_branch_on_count_reg if
1181 -mno-rptb specified and set flag_argument_alias is -mno-aliases
1183 (c4x_output_cbranch): Handle a sequence of insns rather than a
1185 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
1186 has not been allocated as the loop counter.
1187 (c4x_address_conflict): Do not allow two volatile memory references.
1188 (valid_parallel_operands_4, valid_parallel_operands_5,
1189 valid_parallel_operands_6): Reject pattern if the register destination
1190 of the first set is used as part of an address in the second set.
1192 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1194 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
1195 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
1196 is no longer enabled if PARALLEL_MPY_FLAG set.
1197 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
1198 (REG_CLASS_CONTENTS): Add braces around initializers.
1199 (HAVE_MULTIPLE_PACK): Define.
1200 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
1201 REAL_VALUE_TO_DECIMAL.
1202 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
1203 REAL_VALUE_TO_DECIMAL.
1204 (ar0_reg_operand): Add prototype.
1205 (ar0_mem_operand): Likewise.
1206 (ar1_reg_operand): Likewise.
1207 (ar1_mem_operand): Likewise.
1208 (ar2_reg_operand): Likewise.
1209 (ar2_mem_operand): Likewise.
1210 (ar3_reg_operand): Likewise.
1211 (ar3_mem_operand): Likewise.
1212 (ar4_reg_operand): Likewise.
1213 (ar4_mem_operand): Likewise.
1214 (ar5_reg_operand): Likewise.
1215 (ar5_mem_operand): Likewise.
1216 (ar6_reg_operand): Likewise.
1217 (ar6_mem_operand): Likewise.
1218 (ar7_reg_operand): Likewise.
1219 (ar7_mem_operand): Likewise.
1220 (ir0_reg_operand): Likewise.
1221 (ir0_mem_operand): Likewise.
1222 (ir1_reg_operand): Likewise.
1223 (ir1_mem_operand): Likewise.
1224 (group1_reg_operand): Likewise.
1225 (group1_mem_operand): Likewise.
1226 (ir1_reg_operand): Likewise.
1227 (arx_reg_operand): Likewise.
1228 (not_rc_reg): Likewise.
1229 (not_modify_reg): Likewise.
1230 (c4x_group1_reg_operand): Remove prototype.
1231 (c4x_group1_mem_operand): Likewise.
1232 (c4x_arx_reg_operand): Likewise.
1234 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
1236 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
1237 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
1239 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1241 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
1244 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1246 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
1247 unless FMOVD_WORKS is defined.
1249 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1251 * regclass.c (init_reg_sets): Move code that calculates tables
1252 dependent on reg_class_contents from here...
1253 (init_reg_sets_1): To here.
1255 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1257 * cpplib.h: Delete struct import_file. Add ihash element to
1258 struct cpp_buffer. Delete dont_repeat_files and
1259 import_hash_table elements from cpp_reader; change
1260 all_include_files to a hash table. Delete all foobar_include
1261 / last_foobar_include elements from struct cpp_options; put
1262 back four such: quote_include, bracket_include,
1263 system_include, after_include. Redo struct file_name_list
1264 completely. Add new structure type include_hash. Add
1265 prototypes for merge_include_chains and include_hash. Change
1266 prototypes for finclude, find_include_file, and
1267 append_include_chain to match changes below.
1269 * cppfiles.c (simplify_pathname, include_hash,
1270 remap_filename, merge_include_chains): New functions.
1271 (add_import, lookup_import, open_include_file): Removed.
1272 (INO_T_EQ): Define this (copied from cccp.c).
1273 (hack_vms_include_specification): Remove all calls and #if 0
1274 out the definition. It was being called incorrectly and at
1275 the wrong times. Until a VMSie can look at this, it's better
1276 to not pretend to support it.
1277 (append_include_chain): Change calling convention; now takes
1278 only one directory at a time, and sets up the data structure
1280 (redundant_include_p): Rewritten - this is now used for all
1281 include redundancy, whether by #ifndef, #import, or #pragma
1282 once. Looks up things in the include hash table.
1283 (file_cleanup): Decrement pfile->system_include_depth here if
1285 (find_include_file): Calling convention changed; now passes
1286 around a struct include_hash instead of 3 separate parameters.
1287 Guts ripped out and replaced with new include_hash mechanism.
1288 (finclude): Calling convention changed as for
1289 find_include_file. Error exits pulled out-of-line. Reformat.
1290 (safe_read): Return a long, not an int.
1291 (deps_output): Don't recurse.
1293 * cpplib.c (is_system_include): Deleted.
1294 (path_include): Fix up call to append_include_chain.
1295 (do_include): Fix up calls to find_include_file and finclude.
1296 Clean up dependency output a bit. Shorten obnoxiously lengthy
1297 #import warning message. Don't decrement
1298 pfile->system_include_depth here.
1299 (do_pragma): Understand the include_hash structure. Reformat.
1300 (do_endif): Correct handling of control macros. Understand
1302 (cpp_start_read): Fix up calls to finclude. Call
1303 merge_include_chains.
1304 (cpp_handle_option): Fix up calls to append_include_chain.
1305 Understand the four partial include chains.
1306 (cpp_finish): Add debugging code (#if 0-ed out) for the
1308 (cpp_cleanup): Free the include_hash, not the import hash and
1309 the all_include and dont_repeat lists which no longer exist.
1311 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
1313 * toplev.c (no_new_pseudos): Define.
1314 (rest_of_compilation): Set no_new_pseudos as needed.
1315 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
1316 if no_new_pseudos is set.
1317 * rtl.h (no_new_pseudos): Declare it.
1318 * reload1.c (reload): Update comments.
1319 * md.texi: Corresponding changes.
1321 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1323 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
1324 (choose_reload_regs): Rename it here as well. When computing it,
1325 also merge in used hardregs.
1327 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1329 * gcc.c: Split out Objective-C specs to...
1330 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
1333 * c-lex.c (init_parse): Always initialize the filename global.
1334 * objc/objc-act.c (lang_init): Always call check_newline at
1337 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
1339 * reload1.c (reload): Remove unused variable.
1340 (reload_reg_free_for_value_p): Add missing parameter definition.
1342 * jump.c (jump_optimize): Remove unused variable.
1344 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
1346 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
1348 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
1350 * expr.c (move_by_pieces): Similarly.
1351 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
1352 * flow.c (find_auto_inc): Similarly.
1353 (try_pre_increment): Similarly.
1354 * loop.c (strength_reduce): Similarly.
1355 * regclass.c (auto_inc_dec_reg_p): Similarly.
1356 * regmove.c (try_auto_increment): Similarly.
1357 (fixup_match_1): Similarly.
1358 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
1359 (HAVE_PRE_DECREMENT): Similarly.
1360 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
1361 * Corresponding changes to all target header files.
1362 * tm.texi: Update docs for autoinc addressing modes.
1364 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
1366 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
1367 * configure: Rebuild.
1368 * config/elfos.h: New file.
1369 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
1370 config/m68k/t-m68kelf: New file.
1372 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
1374 * Makefile.in (HOST_AR): Define.
1375 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
1376 (libcpp.a): Use the host tools explicitly.
1377 (STAGESTUFF): Add libcpp.a.
1379 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
1381 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
1382 to source and destination registers.
1384 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
1386 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
1387 The strategy we now use is to pre allocate the top_elt along
1388 with the EH context so that each thread has its own top_elt.
1389 This is necessary as the dynmanic cleanup chain is used on the
1390 top element of the stack and each thread MUST have its own.
1391 (eh_context_static): Likewise.
1392 (new_eh_context): Likewise.
1393 (__sjthrow): Likewise.
1395 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
1397 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
1398 * i386.md (prologue_get_pc): Remove unused variable.
1400 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
1402 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
1404 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
1406 * Makefile.in (OBJS): Add graph.o
1407 (graph.o): New dependency list.
1408 * flags.h: Declare dump_for_graph and define graph_dump_types type.
1409 * print-rtl.c (dump_for_graph): Define new variable.
1410 (print_rtx): Rewrite to allow use in graph dumping functions.
1411 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
1412 finish_graph_dump_file.
1413 Define graph_dump_format.
1414 (compile_file): If graph dumping is enabled also clear these files.
1415 Finish graph dump files.
1416 (rest_of_compilation): Also dump graph information if enabled.
1417 (main): Recognize -dv to enabled VCG based graph dumping.
1418 * graph.c: New file. Graph dumping functions.
1420 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
1422 * configure.in: Look for <sys/stat.h>.
1423 * system.h: Include it before substitute S_ISREG definitions.
1425 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
1427 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
1428 * config/mips/iris6.h: Same.
1429 * config/mips/mips.md: Same.
1430 * config/mips/mips.c: Same; also add "-mabi=o64" option.
1431 * config/mips/mips.h: Same; also define ABI_O64.
1433 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1435 * configure.in: Use AC_PREREQ(2.12.1).
1437 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
1439 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
1440 * cpplib.c, gcc.c: Likewise.
1441 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
1443 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
1445 * local-alloc.c (local_alloc): Use malloc not alloca for
1446 reg_qty, reg_offset, ref_next_in_qty.
1448 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1450 * caller-save.c (insert_one_insn): Initialize the live_before and
1451 live_after register sets.
1455 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
1456 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
1457 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
1458 (fp_reg_names, assembler_dialect): New variables.
1459 (print_operand_address): Handle SUBREGs.
1460 (print_operand): Added 'o' case.
1461 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
1462 Name of FP registers depends on mode.
1463 (expand_block_move): Emit different code for SH4 hardware.
1464 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
1465 (from_compare): Likewise.
1466 (add_constant): New argument last_value. Changed all callers.
1467 (find_barrier): Don't try HImode load for FPUL_REG.
1468 (machine_dependent_reorg): Likewise.
1469 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
1470 (gen_far_branch): Emit a barrier after the new jump.
1471 (barrier_align): Don't trust instruction lengths before
1473 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
1474 Use auto-inc addressing for fp registers if doubles need to
1475 be loaded in two steps.
1476 Set sh_flag_remove_dead_before_cse.
1477 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
1478 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
1479 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
1480 Support for FIRST_XD_REG .. LAST_XD_REG.
1481 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
1482 (sh_expand_epilogue): Likewise.
1483 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
1484 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
1485 (arith_reg_operand): FPUL_REG is OK for SH4.
1486 (fp_arith_reg_operand, fp_extended_operand) New functions.
1487 (tertiary_reload_operand, fpscr_operand): Likewise.
1488 (commutative_float_operator, noncommutative_float_operator): Likewise.
1489 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
1490 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
1491 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
1492 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
1493 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
1494 (CONDITIONAL_REGISTER_USAGE): Likewise.
1495 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
1496 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
1497 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
1498 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
1499 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
1500 to -1 and sh_flag_remove_dead_before_cse to 1.
1501 (ASSEMBLER_DIALECT): Define to assembler_dialect.
1502 (assembler_dialect, fp_reg_names): Declare.
1503 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
1504 Hide names of registers that are not accessible.
1505 (CACHE_LOG): Take TARGET_CACHE32 into account.
1506 (LOOP_ALIGN): Take TARGET_HARWARD into account.
1507 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
1508 (FIRST_PSEUDO_REGISTER: Now 49.
1509 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
1510 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
1511 (HARD_REGNO_MODE_OK): Update.
1512 (enum reg_class): Add DF_REGS and FPSCR_REGS.
1513 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
1514 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
1515 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
1516 (NPARM_REGS): Eight floating point parameter registers on SH4.
1517 (BASE_RETURN_VALUE_REG): SH4 also passes double values
1518 in floating point registers.
1519 (GET_SH_ARG_CLASS) Likewise.
1520 Complex float types are also returned in float registers.
1521 (BASE_ARG_REG): Complex float types are also passes in float registers.
1522 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
1523 (LIBCALL_VALUE): Remove trailing semicolon.
1524 (ROUND_REG): Round when double precision value is passed in floating
1526 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
1527 passed on the stack.
1528 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
1529 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
1530 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
1531 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
1532 (MODE_DISP_OK_8): Not for SH4 DFmode.
1533 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
1534 Allow indexed addressing for PSImode after reload.
1535 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
1536 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
1537 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
1538 (DOUBLE_TYPE_SIZE): 64 for SH4.
1539 (RTX_COSTS): Add PLUS case.
1540 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
1541 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
1542 MAC_REGS, PR_REGS, DF_REGS.
1543 (REGISTER_NAMES): Use fp_reg_names.
1544 (enum processor_type): Add PROCESSOR_SH4.
1545 (sh_flag_remove_dead_before_cse): Declare.
1546 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
1547 (PREDICATE_CODES): Add binary_float_operator,
1548 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
1549 fpscr_operand, noncommutative_float_operator.
1550 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
1551 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
1552 * sh.md (attribute cpu): Add value sh4.
1553 (attrbutes fmovd, issues): Define.
1554 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
1555 (function units memory, int, mpy, fp): Make dependent on issue rate.
1556 (function units issue, single_issue, load_si, load): Define.
1557 (function units load_store, fdiv, gp_fpul): Define.
1558 (attribute hit_stack): Provide proper default.
1559 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
1560 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
1561 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
1562 (mulsi3_call): Now uses match_operand for function address.
1563 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
1565 (push, pop, push_e, pop_e): Now define_expands.
1566 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
1567 (movsi_ie): Added y/i alternative.
1568 (ic_invalidate_line_i, movdf_i4): New insns.
1569 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
1570 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
1571 (movdf): Add special code for SH4.
1572 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
1573 (call_valuei, calli, call_value): Likewise.
1574 (movsf): Emit no-op move.
1575 (mov_nop, movsi_y): New insns.
1576 (blt, sge): generalize to handle DFmode.
1577 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
1578 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
1579 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
1580 (fpu_switch0, fpu_switch1, movpsi): New expanders.
1581 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
1582 (toggle_sz): New insn.
1583 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
1584 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
1585 (macsf3): Make use of fpscr visible. Disable for SH4.
1586 (floatsisf2): Make use of fpscr visible.
1587 (floatsisf2_i4): New insn.
1588 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
1589 (ieee_ccmpeqsf_t): Likewise.
1590 (fix_truncsfsi2): Emit different code for SH4.
1591 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
1592 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
1593 (negsf2, sqrtsf2, abssf2): Now expanders.
1594 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
1595 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
1596 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
1597 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
1598 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
1599 (fix_truncdfsi2_i4_2+1): New splitters.
1600 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
1601 (extendsfdf2, truncdfsf2): New expanders.
1602 (truncdfsf2_i4): New insn.
1603 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
1604 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
1605 * float-sh.h: When testing for __SH3E__, also test for
1606 __SH4_SINGLE_ONLY__ .
1607 * va-sh.h (__va_freg): Define to float.
1608 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
1609 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
1610 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
1611 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
1613 (TARGET_SH4_P): Define.
1616 * sh.md (movdf_k, movsf_i): Tweak the condition so that
1617 init_expr_once is satisfied about the existence of load / store insns.
1619 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
1620 change m constraint in source operand to mr / mf .
1622 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
1624 * (__VA_REEF): Define.
1625 (__va_arg_sh1): Use it.
1627 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
1629 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
1631 * i386/dgux.c (struct option): Add new "description field".
1632 * m88k/m88k.c (struct option): Likewise.
1634 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
1636 * version.c: Bump for snapshot.
1638 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1640 * regmove.c (regmove_profitable_p): Use return value of find_matches
1643 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
1645 * version.c: Bump for snapshot.
1647 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
1649 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
1650 without reload having been called earlier.
1652 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
1654 (v850_reorg): Similarly.
1656 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
1658 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1660 * loop.c (move_movables): Start of libcall might be new loop start.
1662 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1664 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
1666 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1668 * function.c (nonlocal_goto_handler_slots): Renamed from
1669 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
1670 (push_function_context_to): Adjust for this change.
1671 (pop_function_context_from): Likewise.
1672 (init_function_start): Likewise.
1673 (expand_function_end): Likewise.
1674 * function.h (struct function): Likewise.
1675 * calls.c (expand_call): Likewise.
1676 * explow.c (allocate_dynamic_stack_space): Likewise.
1677 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
1678 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
1680 (expand_goto): When doing a nonlocal goto, find corresponding handler
1681 slot for it. Don't put the label address in the static chain register.
1682 (expand_end_bindings): Break out nonlocal goto handling code into
1683 three new functions.
1684 (expand_nl_handler_label, expand_nl_goto_receiver,
1685 expand_nl_goto_receivers): New static functions, broken out of
1686 expand_end_bindings and adapted to create one handler per nonlocal
1688 * function.c (delete_handlers): Delete insn if it references any of
1689 the nonlocal goto handler slots.
1690 * i960.md (nonlocal_goto): Comment out code that modifies
1692 * sparc.md (nonlocal_goto): Likewise.
1693 (goto_handler_and_restore_v9): Comment out.
1694 (goto_handler_and_restore_v9_sp64): Comment out.
1696 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1698 * expr.c (STACK_BYTES): Delete unused macro.
1699 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
1700 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1701 (expand_call): Likewise.
1702 (emit_library_call): Likewise.
1703 (emit_library_call_value): Likewise.
1704 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
1705 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1706 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
1707 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1708 (allocate_dynamic_stack_space): Likewise.
1709 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
1710 (STACK_BOUNDARY): Update description to reflect the new situation.
1712 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
1714 * reorg.c (relax_delay_slots): When optimizing for code size, if a
1715 return with a filled delay slot is followed by a return with an
1716 unfilled delay slot, delete the first return and reemit the insn
1717 that was previously in its delay slot.
1719 * i860.c (single_insn_src_p): Add missing parens.
1720 * ginclude/math-3300.h: Likewise.
1722 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
1724 * regclass.c (init_reg_sets_1): Add prototype.
1725 (init_reg_modes): Likewise.
1727 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
1729 * c-common.c: Change warning messages to say `comparison is
1730 always true' or `comparison is always false' instead of the
1731 confusing `is always 0', `is always 1'.
1733 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
1735 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
1736 break instead of return (which loses closing '>').
1738 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
1740 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
1741 standard 387 constants.
1743 * i386.md (jump): Explicitly set "memory" attribute.
1744 (indirect_jump, prologue_set_stack_ptr): Likewise.
1745 (prologue_get_pc_and_set_got, pop): Likewise.
1746 (allocate_stack_worder, blockage, return_internal): Likewise.
1747 (return_pop_internal, nop): Likewise.
1748 (epilogue_set_stack_ptr, leave): Likewise.
1750 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
1752 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
1754 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1756 * reload1.c (reload_reg_free_for_value_p):
1757 Early auto_inc reloads don't conflict with outputs.
1759 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1761 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
1762 Instead call AC_HEADER_SYS_WAIT.
1764 * collect2.c: Don't provide defaults for sys/wait.h macros.
1766 * protoize.c: Likewise. Also, don't include sys/wait.h.
1768 * system.h: Include sys/wait.h and provide macro defaults.
1770 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1772 * Makefile.in (mandir): Set to @mandir@.
1773 (man1dir): New variable to hold the former value of $(mandir).
1774 Replace all uses of $(mandir) by $(man1dir).
1776 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
1778 * reload.c (find_reloads_address_part): If have a CONST_INT, create
1779 a new one before passing it to force_const_mem.
1781 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
1782 find_reloads_address call.
1784 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1786 * expr.c (store_expr): Don't generate load-store pair
1787 if TEMP is identical (according to ==) with TARGET.
1789 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1791 * reload1.c (reload_reg_free_for_value_p): When considered reload
1792 has an output, matching inputs are not sufficient to avoid conflict.
1794 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
1796 * hash.h (hash_table_key): New type.
1797 (hash_entry): Change `string' field to generic `key'.
1798 (hash_table): Add `comp' and `hash' functions.
1799 (hash_table_init): Take them as input.
1800 (hash_table_init_n): Likewise.
1801 (hash_lookup): Modify for generic keys.
1802 (hash_newfunc): Likewise.
1803 (hash_traverse): Likewise.
1804 (string_hash): New function.
1805 (string_compare): Likewise.
1806 (string_copy): Likewise.
1807 * hash.c (hash_table_init_n): Modify for generic keys.
1808 (hash_table_init): Likewise.
1809 (hash_lookup): Likewise.
1810 (hash_newfunc): Likewise.
1811 (hash_traverse): Likewise.
1812 (string_hash): Split out from hash_lookup.
1813 (string_compare): New function.
1814 (string_copy): Split out from hash_lookup.
1815 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
1817 (symbol_hash_lookup): Likewise.
1818 (file_hash_newfunc): Likewise.
1819 (file_hash_lookup): Likewise.
1820 (demangled_hash_newfunc): Likewise.
1821 (demangled_hash_lookup): Likewise.
1822 (tlink_int): Likewise.
1823 (read_repo_file): Likewise.
1824 (recompile_files): Likewise.
1825 (demangle_new_symbols): Likewise.
1826 (scan_linker_output): Likewise.
1828 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1830 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
1832 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
1834 * rs6000.c (output_mi_thunk): Improve test for local branch.
1836 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1838 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
1840 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1842 * reload1.c (reload_reg_free_before_p): Delete.
1843 Changed all callers to use reload_reg_free_for_value_p instead.
1844 (reload_reg_free_for_value_p): Handle more reload types.
1845 A RELOAD_FOR_INPUT doesn't conflict with its
1846 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
1847 Add special case for OUT == const0_rtx.
1848 Added ignore_address_reloads argument. Changed all callers.
1850 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
1852 * toplev.c (compile_file): Don't pedwarn about undefined static
1853 functions just because we passed -Wunused.
1855 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1857 * function.c (purge_addressof_1): Unshare rtl created by
1860 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1862 * regmove.c (regmove_optimize): Don't do anything but
1863 optimize_reg_copy[123] when flag_regmove is not set.
1865 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
1867 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
1868 value in paradoxical SImode result, rather than truncating midpoint.
1870 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
1872 * alpha.c (reg_not_elim_operand): New.
1873 * alpha.h (PREDICATE_CODES): Add it.
1874 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
1875 for the multiplicand.
1877 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
1879 * rs6000.md (movsf): Remove explicit secondary-reload-like
1880 functionality. Only truncate SFmode store if in FPR.
1881 (movsf splitters): Combine const_double splitters.
1882 (movsf_hardfloat): Add GPR support.
1884 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
1886 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
1887 deprecate -mlive-g0 and -mbroken-saverestore.
1888 * t-splet (MULTILIB_OPTIONS): Likewise.
1890 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
1891 in a leaf function. Clarify total_size/extra_size relationship.
1893 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
1895 * i386/cygwin32.asm: Delete.
1896 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
1897 * i386/cygwin32.h: Delete.
1898 * i386/cygwin.h: New file, renamed from cygwin32.h.
1899 * i386/t-cygwin32: Delete.
1900 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
1901 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
1902 * i386/x-cygwin32: Delete.
1903 * i386/x-cygwin: New file, renamed from x-cygwin32.
1904 * i386/xm-cygwin32: Delete.
1905 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
1906 renamed cygwin_ funcs for path translations.
1907 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
1908 * i386/winnt.c: Remove "32" from comment about cygwin.
1909 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
1910 * rs6000/cygwin32.h: Delete.
1911 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
1912 -D__CYGWIN__ to CPP_PREDEFINES.
1913 * rs6000/x-cygwin32: Delete.
1914 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
1915 * rs6000/xm-cygwin32: Delete.
1916 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
1918 * configure.in: Check for cygwin* instead of cygwin32. Account
1919 for the rename of cygwin-related config files to lose the "32"s.
1920 * configure: Regenerate.
1922 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
1923 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
1925 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
1927 * Makefile.in (JAVAGC): New macro.
1928 * configure: Rebuilt.
1929 * configure.in: Recognize --enable-java-gc argument. Subst
1932 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1934 Handle equivalences that have been obscured by gcse:
1936 * reload1.c (reload): Handle equivalences set up in multiple places.
1937 * local-alloc.c (reg_equiv_init_insns): New variable.
1938 (no_equiv): New function.
1939 (update_equiv_regs): Handle equivalences set up in multiple places.
1940 Don't ignore an insn just because its destination is likely to be
1943 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
1945 * except.c (expand_eh_return): Readd force_operand call lost in
1948 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
1950 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
1952 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1954 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
1956 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1958 * regmove.c (regmove_optimize): Fix error in last change.
1960 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
1962 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
1963 offset in the .mask pseudo to compensate for frame pointer adjustments.
1964 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
1965 word swap arguments moved to/from FP registers.
1966 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
1968 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
1970 * version.c: Bump for snapshot.
1972 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
1974 * version.c: Bump for snapshot.
1976 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
1978 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
1979 times, then it can not be completely replaced.
1981 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
1983 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
1985 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1987 * gansidecl.h: Prepend a "G" to the macro wrapping this file
1988 (to distinguish it from the macro wrapping ansidecl.h.)
1989 Include libiberty's ansidecl.h. Remove all redundant definitions.
1990 Define the PROTO() style macros in terms of the PARAMS() ones.
1993 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
1994 __STDC__, when deciding whether to use ANSI variable args.
1995 (emit_library_call_value): Likewise.
1997 * cccp.c (error): Likewise.
1998 (warning): Likewise.
1999 (error_with_line): Likewise.
2000 (warning_with_line): Likewise.
2001 (pedwarn): Likewise.
2002 (pedwarn_with_line): Likewise.
2003 (pedwarn_with_file_and_line): Likewise.
2006 * cexp.y (error): Likewise.
2007 (pedwarn): Likewise.
2008 (warning): Likewise.
2010 * collect2.c (fatal_perror): Likewise.
2014 * combine.c (gen_rtx_combine): Likewise.
2016 * cpperror.c (cpp_message): Likewise.
2017 (cpp_fatal): Likewise.
2019 * cpplib.c (cpp_error): Likewise.
2020 (cpp_warning): Likewise.
2021 (cpp_pedwarn): Likewise.
2022 (cpp_error_with_line): Likewise.
2023 (cpp_warning_with_line): Likewise.
2024 (cpp_pedwarn_with_line): Likewise.
2025 (cpp_pedwarn_with_file_and_line): Likewise.
2027 * cpplib.h: Don't define PARAMS() macro.
2029 * demangle.h: Likewise.
2031 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
2032 when deciding whether to use ANSI variable args.
2034 * emit-rtl.c (gen_rtx): Likewise.
2035 (gen_rtvec): Likewise.
2037 * final.c (asm_fprintf): Likewise.
2039 * fix-header.c (cpp_message): Likewise.
2041 (cpp_fatal): Likewise.
2043 * gcc.c (concat): Likewise.
2047 * genattr.c (fatal): Likewise.
2049 * genattrtab.c (attr_rtx): Likewise.
2050 (attr_printf): Likewise.
2053 * gencodes.c (fatal): Likewise.
2055 * genconfig.c (fatal): Likewise.
2057 * genemit.c (fatal): Likewise.
2059 * genextract.c (fatal): Likewise.
2061 * genflags.c (fatal): Likewise.
2063 * genopinit.c (fatal): Likewise.
2065 * genoutput.c (fatal): Likewise.
2068 * genpeep.c (fatal): Likewise.
2070 * genrecog.c (fatal): Likewise.
2072 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
2073 deciding whether to declare `tree_node' and `rtx_def'.
2075 * hash.h: Don't define stuff we get from gansidecl.h.
2077 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
2078 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2079 whether to use ANSI variable args.
2082 * prefix.c (concat): Likewise.
2086 * system.h: Likewise.
2088 * toplev.c (error_with_file_and_line): Likewise.
2089 (error_with_decl): Likewise.
2090 (error_for_asm): Likewise.
2093 (warning_with_file_and_line): Likewise.
2094 (warning_with_decl): Likewise.
2095 (warning_for_asm): Likewise.
2096 (warning): Likewise.
2097 (pedwarn): Likewise.
2098 (pedwarn_with_decl): Likewise.
2099 (pedwarn_with_file_and_line): Likewise.
2101 (really_sorry): Likewise.
2103 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2104 whether to declare `tree_node' and `rtx_def'.
2106 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
2107 deciding whether to use ANSI variable args.
2108 (build_nt): Likewise.
2109 (build_parse_node): Likewise.
2111 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
2113 * version.c: Bump for snapshot.
2115 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2117 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
2119 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2121 * collect2.c (main, case 'b'): Use else if.
2123 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2125 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
2126 Arrange to include gansidecl.h in {ht}config.h & tm.h just
2127 before the config/ directory headers.
2128 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
2129 gansidecl.h in the list of dependencies.
2131 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
2132 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
2133 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
2134 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
2135 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
2136 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
2139 * cccp.c: Don't include gansidecl.h.
2141 * collect2.c: Likewise.
2142 * config/c4x/c4x.c: Likewise.
2143 * config/v850/v850.h: Likewise.
2144 * cppalloc.c: Likewise.
2145 * cpperror.c: Likewise.
2146 * cppexp.c: Likewise.
2147 * cppfiles.c: Likewise.
2148 * cpphash.c: Likewise.
2149 * cpplib.c: Likewise.
2150 * cppmain.c: Likewise.
2151 * cppulp.c: Likewise.
2152 * demangle.h: Likewise.
2153 * doprint.c: Likewise.
2154 * dyn-string.c: Likewise.
2155 * eh-common.h: Likewise.
2156 * fix-header.c: Likewise.
2157 * frame.c: Likewise.
2160 * gen-protos.c: Likewise.
2161 * gencheck.c: Likewise.
2162 * halfpic.h: Likewise.
2164 * machmode.h: Likewise.
2165 * mbchar.c: Likewise.
2166 * prefix.c: Likewise.
2167 * protoize.c: Likewise.
2168 * recog.h: Likewise.
2170 * scan-decls.c: Likewise.
2172 * varray.h: Likewise.
2174 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
2176 * i386.md (call_value_pop): If we're not popping anything,
2177 defer to call_value.
2178 (call_pop): Likewise defer to call.
2180 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
2182 * function.c (purge_addressof): Clear purge_addressof_replacements
2183 only after processing the whole function.
2185 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
2187 * reload1.c (reload): If we can not perform a particular elimination
2188 when we thought we could earlier, then we must always iterate through
2189 the loop at least one more time.
2191 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
2193 * alpha.c (add_operand): Simplify the CONST_INT match.
2194 (sext_add_operand): Correct typo in comparison by using
2195 CONST_OK_FOR_LETTER_P.
2196 * alpha.md (s?addq): Use sext_add_operand to allow the negative
2197 constant alternatives to be generated.
2198 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
2199 small constants, since the hw instructions do.
2201 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2203 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
2204 previous insn to store directly into our reload register, make sure
2205 that if the source of the previous insn is a reload register, its
2206 spill_reg_store and spill_reg_stored_to values are cleared.
2208 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
2210 * rs6000.md (floatunssidf2_internal splitter): Use base register
2211 operand, not hard-coded SP.
2213 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2215 * jump.c (calculate_can_reach_end): Fix thinko.
2217 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
2219 * reorg.c (fill_simple_delay_slots): Fix typo.
2221 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
2223 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
2225 * i386.md (extendsidi2): Use # in the output template.
2226 (extendsidi splitters): New splitters.
2228 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
2230 * configure.in: Use unknown-elf.h as tm_file for arm-elf
2232 * configure: Regenerate.
2234 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2236 * jump.c (init_label_info, delete_barrier_successors,
2237 mark_all_labels, delete_unreferenced_labels,
2238 delete_noop_moves, calculate_can_reach_end): New functions broken
2239 out of jump_optimize.
2240 (jump_optimize): Use them.
2242 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2244 * except.c (expand_fixup_region_end): Make sure outer context labels
2245 are not issued in an inner context during cleanups.
2247 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
2249 * alpha.md (addsi3, subsi3): No new temporaries once cse is
2252 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
2254 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
2255 to expose this midpoint to CSE.
2257 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2259 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
2261 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2263 * configure.in: Bring over gcc2 change of Nov 19 1997.
2265 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
2267 * toplev.c (output_lang_identify): Make definition dependent on
2268 ASM_IDENTIFY_LANGUAGE.
2270 * print-rtl.c (spaces): Make static.
2272 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
2274 * extend.texi: Clarify proper uses for register clobbers in asms.
2276 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2278 * recog.h (enum op_type): Define.
2279 (constrain_operands): Adjust prototype.
2280 (recog_op_type): Declare new variable.
2281 * recog.c (recog_op_type): New variable.
2282 (insn_invalid_p): Allow modifying an asm statement after reload.
2283 (extract_insn): Set up recog_op_type.
2284 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2285 Don't compute operand types, use recog_op_type.
2286 Use the information computed by extract_insn instead of the previous
2287 method of finding it by insn code number.
2288 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2289 * reorg.c (fill_slots_from_thread): Likewise.
2290 * reload1.c (reload_as_needed): Likewise.
2291 (gen_reload): Likewise.
2292 (inc_for_reload): Likewise.
2293 (reload_cse_simplify_operands): Likewise.
2294 Use the information computed by extract_insn instead of the previous
2295 method of finding it by insn code number.
2296 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
2298 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
2299 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
2300 Use the information computed by extract_insn instead of the previous
2301 method of finding it by insn code number.
2302 * regmove.c (find_matches): Likewise. Change meaning of the return
2303 value to be nonzero if the optimization can be performed, zero if
2304 not. All callers changed.
2305 Shorten some variable names to fix formatting problems.
2306 (regmove_optimize): Shorten some variable names to fix formatting
2308 Use the information computed by extract_insn instead of the previous
2309 method of finding it by insn code number.
2310 * regclass.c (scan_one_insn): Likewise.
2311 (record_reg_classes): Don't compute operand types, use recog_op_type.
2312 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
2313 recog_constraints instead.
2315 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
2317 * rtl.h (flow2_completed): Declare.
2318 * flow.c (flow2_completed): Definition.
2319 * toplev.c (rest_of_compilation): Set and clear flow2_completed
2322 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2324 * Makefile.in (libcpp.a): Ranlib libcpp.a
2326 * cppulp.c (user_label_prefix): Initialize.
2328 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
2330 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
2331 at a RETURN if current_function_sp_is_unchanging is set.
2333 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2335 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
2337 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
2339 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
2340 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
2341 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
2342 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
2343 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
2344 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
2346 (LIB_SPEC): Handle -mno-cyginw option.
2347 (LINK_SPEC): Handle -mdll.
2349 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2351 * reload.c (find_reloads): Fix test for usage by other reload
2352 to handle secondary reloads properly.
2354 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2356 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
2357 intermediate structure which has exactly the members provided by
2358 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
2359 static intermediate structure.
2361 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
2362 from the intermediate structure. Do the same analogous fix in
2363 the case where ELIMINABLE_REGS is not defined.
2365 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
2367 * pa.h (SELECT_SECTION): Fix thinko.
2369 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
2371 * dwarf2out.c (output_call_frame_info): Comments on last change.
2373 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
2375 * arm.c (add_constant): When taking the address of an item in the
2376 pool, get the mode of the item addressed.
2378 * arm.c (final_prescan_insn case INSN): If an insn doesn't
2379 contain a SET or a PARALLEL, don't consider it for conditional
2382 Restore ABI compatibility for NetBSD.
2383 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
2385 (RETURN_IN_MEMORY): Likewise.
2387 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
2389 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
2390 (m32r_output_block_move): Rewrite bytes < 4 handling.
2392 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2394 * configure.in: Call AC_FUNC_VFORK.
2396 * collect2.c: Define VFORK_STRING as a printable string for
2397 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
2398 defined, include vfork.h. If VMS is defined, define vfork()
2399 appropriately. Remove vfork check on USG, we're using autoconf.
2400 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
2401 checking locally what string to pass.
2402 (scan_prog_file): Likewise.
2403 (scan_libraries): Likewise.
2405 * gcc.c: Remove vfork check on USG, we're using autoconf.
2406 Besides, no calls to vfork/fork occur in this file.
2408 * protoize.c: Likewise.
2410 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2412 * configure.in (DEFAULT_LINKER): renamed from LD
2413 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
2414 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
2415 * configure: rebuilt
2417 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2419 * BUGS: fix the regexp for `more' to find the appropriate node.
2420 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
2422 * BUGS: added link to the WWW FAQ
2424 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
2426 * version.c: Bump for snapshot.
2428 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
2430 * From Christian Gafton:
2431 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
2432 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
2433 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
2435 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
2437 * c-common.c (c_get_alias_set): Allow all type-punning through
2438 unions. Don't get confused about the type of a bit-field, despite
2439 the antics of build_modify_expr.
2441 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
2443 * fixinc.sco: Paramaterize #include_next values.
2444 * fixinc/fixinc.sco: Likewise.
2446 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
2448 * toplev.c (rest_of_compilation): No longer set reload_completed.
2449 * reload1.c (reload): Set it here. Perform instruction splitting
2450 after reload has completed if we will be running the scheduler
2453 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
2455 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
2456 EH region if exceptions are enabled and we're performing cross
2458 (find_cross_jump): Exit loop if the insns are in different EH regions.
2460 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
2462 * dwarf2out.c (output_call_frame_info): Use
2463 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
2465 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2467 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
2468 * c-common.c (check_format_info): Don't check for the 'x'
2469 format character twice, instead check for 'x' and 'X'
2471 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
2473 * configure.in (assembler features): Also make gas is configured if
2474 we find it in the souce tree.
2476 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
2478 * i386.c (i386_comp_type_attributes): Compare whether the
2479 attributes are defined, not their tree nodes.
2481 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2483 * configure.in (gxx_include_dir): bitten by autoconf quoting
2485 * configure: rebuilt
2487 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2489 * configure.in: Ignore non-absolute value in $AS.
2491 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
2493 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
2495 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
2497 * configure.in (msdosdjgpp): Set exeext and target_alias.
2499 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2501 * flow.c (XNMALLOC): New macro.
2502 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
2504 (add_edge, add_edge_to_label): New static functions.
2505 (free_bb_memory): New function.
2506 (flow_delete_insn): Delete function.
2507 (basic_block_drops_in): Delete variable.
2508 (find_basic_blocks): Allocate and initialize basic_block_head,
2509 basic_block_succ. Don't allocate basic_block_drops_in.
2510 Call free_bb_memory at the beginning.
2511 (find_basic_blocks_1): Don't do multiple passes.
2512 Delete code to compute basic_block_drops_in.
2513 After calling make_edges, mark blocks reached by current block live.
2514 Update test for unreachable live blocks.
2515 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
2517 Simplify to call add_edge_to_label when a LABEL_REF is found.
2518 (make_edges): Simplify to call add_edge_to_label instead of
2519 mark_label_ref most of the time.
2520 Compute here whether control drops into the next block.
2521 (delete_unreachable_blocks): Return void. All callers changed.
2522 Delete unreachable blocks in reverse order.
2523 After deleting all unreachable blocks, renumber the remaining ones
2524 and update n_basic_blocks.
2525 (delete_block): Speed up deletion a bit.
2526 Don't set basic_block_drops_in for deleted blocks.
2527 (free_basic_block_vars): Don't free basic_block_drops_in.
2528 (life_analysis_1): Update to use new edge representation.
2529 (dump_flow_info): Delete code to print basic block info; call
2530 dump_bb_data instead.
2531 (compute_preds_succs): Delete code to recompute basic_block_drops_in
2532 and uid_block_number.
2533 Simply copy the previously computed cfg.
2534 (dump_bb_data): New arg LIVE_INFO. All callers changed.
2535 Print register lifetime information if LIVE_INFO is nonzero.
2536 * basic-block.h (dump_bb_data): Adjust prototype.
2537 * gcse.c (gcse_main): Update call to dump_bb_data.
2538 * rtl.h (free_bb_memory): Declare.
2539 * toplev.c (rest_of_compilation): Call free_bb_memory.
2541 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
2542 (update_eliminable_offsets): Don't compute it.
2543 (set_initial_elim_offsets): Don't initialize it.
2544 Break out some code into set_initial_label_offsets so the rest of
2545 this function can be called from reload_as_needed.
2546 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
2547 ELIMINABLE_REGS isn't.
2548 (set_initial_label_offsets): New function, broken out of
2549 set_initial_elim_offsets.
2550 (set_offsets_for_label): New function, broken out of set_label_offsets
2551 and reload_as_needed.
2552 (reload): Call the two new functions.
2553 (reload_as_needed): Call set_initial_elim_offsets instead of
2554 duplicating the code. Likewise for set_offsets_for_label.
2556 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
2557 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
2558 any hard reg, reg_reloaded_dead contains valid data.
2560 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
2562 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
2563 "stdcall" and "cdecl" attributes.
2565 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
2567 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
2568 handle deleted no-op moves of hard registers.
2569 * haifa-sched.c (update_flow_info): Likewise.
2571 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
2573 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
2574 of the sequences to reload the HILO register which do not actually
2577 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
2579 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
2581 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2583 * except.c (emit_eh_context): Make the EH context register stay alive
2584 at -O0 so stupid.c doesn't get confused.
2586 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2588 * emit-rtl.c (try_split): Do not try to split a BARRIER.
2590 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
2591 Jeffrey A Law (law@cygnus.com)
2593 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
2594 (zero_extendsidi2): Use # in output template and handle completely by
2596 (zero_extend splitters): New define_splits.
2597 (ashiftrt_32): New pattern.
2599 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2601 * tree.c (append_random_chars): New fn.
2602 (get_file_function_name_long): Use it.
2604 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
2606 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
2607 (LIBCPP_OBJS): New. Add cppulp.o.
2608 (cppmain, fix-header): Depend on and use libcpp.a.
2609 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
2610 of the individual object files.
2611 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
2614 * cccp.c (user_label_prefix): New.
2615 (main): Set it off -f*leading-underscore.
2616 (special_symbol): Use it.
2617 * cpplib.c (special_symbol): Likewise.
2618 (cpp_handle_option): Handle -f*leading-underscore.
2619 * cppulp.c: New file.
2621 * output.h (user_label_prefix): Declare it.
2622 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
2623 * toplev.c (f_options, main): Handle -f*leading-underscore.
2625 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
2626 referencing USER_LABEL_PREFIX directly.
2627 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
2628 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
2629 * final.c (asm_fprintf): Use user_label_prefix instead.
2630 * arm/thumb.c (thumb_print_operand): Likewise.
2632 * gcc.c (default_compilers): Pass -f*leading-underscore on to
2633 cpp wherever appropriate.
2635 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
2637 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
2638 specific compiler switches.
2640 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
2642 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
2645 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2647 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
2648 structure which has exactly the members provided by EXTRA_SPECS.
2649 Xmalloc() the real `extra_specs', and initialize it from this
2650 intermediate structure.
2652 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
2654 * mips.h (EXTRA_SPECS): Likewise.
2656 * sparc.h (EXTRA_SPECS): Likewise.
2658 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2660 * function.c (purge_addressof_1): Instead of aborting when a
2661 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
2662 work just put the ADDRESSOF on stack. Otherwise remember all such
2663 successfull replacements, so that exactly the same replacements
2664 can be made on the REG_NOTEs. Remove the special case for CALL
2666 (purge_addressof_replacements): New variable.
2667 (purge_addressof): Clear it at end.
2669 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2671 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
2672 (lang_init): Call check_newline always.
2673 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
2674 cpp_start_read, set yy_cur and yy_lim to read from
2675 parse_in.token_buffer, so that we'll see the first #line
2677 * cpplib.c (cpp_start_read): finclude the main input file
2678 before processing -include/-imacros. Process -imacros and
2679 -include separately, and handle -include by stacking a
2680 buffer for the file in question as if it'd been #included.
2681 * toplev.c (documented_lang_options) Recognize -H when
2684 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2686 * cpplib.c: Merge do_once into do_pragma. Break file handling
2687 code out of do_include.
2688 Move append_include_chain, deps_output,
2689 file_cleanup, redundant_include_p, import_hash,
2690 lookup_import, add_import, read_filename_string, read_name_map,
2691 open_include_file, finclude, safe_read to cppfiles.c.
2692 Move prototypes for deps_output, append_include_chain,
2693 finclude to cpplib.h. Move definition of struct
2694 file_name_list there also.
2696 * cppfiles.c: New file. Contains all the above functions
2697 broken out of cpplib.c; also hack_vms_include_specification
2698 from cccp.c and find_include_file, a new function broken out of
2701 * Makefile.in (cppmain): Depend on cppfiles.o.
2702 (fix-header): Likewise.
2703 (cppfiles.o): New target.
2704 * configure.in (--enable-c-cpplib): Add cppfiles.o to
2705 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
2707 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
2709 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
2710 if pending_types is non-zero.
2711 (dwarfout_finish): Verify pending_types is zero before finishing.
2713 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
2715 * expr.c (convert_move): Use shifts to perform the move if a
2716 suitable extend pattern cannot be found. Code written by
2717 Richard Henderson <rth@cygnus.com>.
2719 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2721 * regclass.c (renumber, regno_allocated): New static variables, moved
2722 out of allocate_reg_info.
2723 (allocate_reg_info): Move these two variables outside the function.
2724 Move code to free memory into new function free_reg_info.
2725 (free_reg_info): New function, broken out of allocate_reg_info.
2726 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
2727 * rtl.h (allocate_reg_info): Don't declare.
2728 (free_reg_info): Declare.
2730 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
2732 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
2734 * toplev.c (compile_file): Temporarily revert last change.
2736 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2738 * c-typeck.c (convert_for_assignment): Parenthesize.
2740 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2742 * reload1.c (delete_output_reload): Avoid ambigous else.
2744 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
2746 * toplev.c (compile_file): Call allocate_reg_info to free register
2748 * rtl.h (allocate_reg_info): Declare.
2750 * PROJECTS: Remove entry for local spilling.
2752 * final.c (cleanup_subreg_operands): New function.
2753 (final_scan_insn): Use it.
2754 (alter_subreg): Clear the "used" field when we turn a SUBREG into
2756 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
2757 operands when reload has finished.
2758 * reload.h (cleanup_subreg_operands): Declare..
2759 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
2760 reload. Handled in reload itself.
2762 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2764 * reload1.c (verify_initial_offsets): New function.
2765 (reload): Call it after reload_as_needed. Also verify that the frame
2766 size stays constant during reload_as_needed.
2767 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
2769 * reload.h (struct insn_chain): Add need_operand_change element.
2770 * reload1.c (new_insn_chain): Clear it.
2771 (calculate_needs_all_insns): Set it; don't overload need_reload.
2772 (reload_as_needed): Use it.
2774 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
2775 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
2776 and reload_address_index_reg_class.
2777 (find_reloads_address_1): Likewise.
2778 * reload.h (reload_address_base_reg_class,
2779 reload_address_index_reg_class): Don't declare.
2780 * reload1.c (reg_old_renumber, pseudo_previous_regs,
2781 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
2782 (used_spill_regs): Now static.
2783 (reload_address_base_reg_class, reload_address_index_reg_class,
2784 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
2785 basic_block_needs, max_needs, group_size, group_mode, max_groups,
2786 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
2789 (init_reload): Delete code to compute base/index reg classes.
2790 (reload): Delete variable J.
2791 Delete code to manage basic_block_needs.
2792 Don't compute regs_explicitly_used.
2793 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
2794 pseudo_previous_regs.
2795 Initialize bad_spill_regs_global.
2796 Don't call order_regs_for_reload here.
2797 Don't initialize spill_reg_order and n_spills.
2798 Don't forbid explicitly used regs to be used for spill regs.
2799 Change main loop to infinite loop, with explicit break statements.
2800 Make SOMETHING_CHANGED variable local to that loop.
2801 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
2802 max_groups_insn, max_nongroups_insn, group_size, group_mode.
2803 Make sure spilled_speudos is cleared before calling spill_hard_reg or
2805 Don't call dump_needs.
2806 Delete code to reset potential_reload_regs.
2807 Delete code to terminate loop conditional on the global needs variables
2808 showing no further needs.
2809 (calculate_needs_all_insns): Return void. All callers changed.
2810 Initialize somehing_needs_elimination here, not in reload.
2811 Delete avoid_return_reg kludge.
2812 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
2813 All callers changed.
2814 Initialize the group_mode and group_size elements of the arg CHAIN.
2815 Delete code to manage basic_block_needs.
2816 Operate on elements of CHAIN instead of global variables.
2817 Delete avoid_return_reg kludge.
2818 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
2819 All callers changed.
2820 Operate on elements of CHAIN instead of global variables.
2821 Delete special SMALL_REGISTER_CLASSES code.
2822 Delete spill_failure code; now in new_spill_reg.
2823 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
2824 All callers changed.
2825 Operate on elements of CHAIN instead of global variables.
2826 (maybe_mark_pseudo_spilled): New static function.
2827 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
2828 All callers changed.
2829 Operate on elements of CHAIN instead of global variables.
2830 Call order_regs_for_reload here, not in reload.
2831 Initialize spill_reg_order and n_spills.
2832 Simplify test whether an asm insn is involved.
2833 Delete spill_failure code; now in new_spill_reg.
2834 Call maybe_mark_pseudo_spilled for everything marked as live in
2835 CHAIN. Merge CHAIN's used_spill_regs into the global variable
2837 (dump_needs): Take CHAIN arg. No longer static, to prevent the
2838 compiler from optimizing this function (now unused) away.
2839 Operate on elements of CHAIN instead of global variables.
2840 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
2842 Operate on elements of CHAIN instead of global variables.
2843 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
2844 take CHAIN arg. All callers changed.
2845 Operate on elements of CHAIN instead of global variables.
2846 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
2847 CHAIN, NONGROUP args. Return void. All callers changed.
2848 Verify caller isn't trying to spill a pseudo.
2849 Simplify test for illegal reg, just use bad_spill_regs.
2850 Generate better error messages.
2851 Operate on elements of CHAIN instead of global variables.
2852 Mark spilled register in CHAIN's used_spill_regs element.
2853 Don't call spill_hard_reg.
2854 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
2855 Mark spilled hard regs in bad_spill_regs_global.
2856 Mark affected pseudos in spilled_pseudos, but don't spill them.
2857 (ior_hard_reg_set): New static function.
2858 (finish_spills): Return int. All callers changed.
2859 Compute spill_reg_order, n_spills and spill_regs here. Also update
2860 regs_ever_live for regs used as spills.
2861 For every pseudo in spilled_pseudos, spill it and mark the previous
2862 hard reg it had in pseudo_previous_regs. Compute which hard regs
2863 arseudo): New static function.
2864 (order_regs_for_reload): Take CHAIN arg. All callers changed.
2865 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
2866 hard registers explicitly used across the current insn into the set.
2867 Compute hard_reg_n_uses taking only pseudos live across this insn
2869 Tweak sorting of potential_reload_regs.
2870 (compare_spill_regs): Delete function.
2871 (reload_as_needed): Don't sort the spill_regs array, it's computed
2872 in proper order in finish_spills.
2873 Delete avoid_return_reg kludge.
2874 Delete code to manage basic_block_needs.
2875 (allocate_reload_reg): Minor speed/readability tweaks.
2876 Operate on elements of CHAIN instead of global variables.
2877 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
2878 Delete avoid_return_reg kludge.
2879 Initialize reload_reg_used from CHAIN's used_spill_regs element.
2880 Delete unused label FAIL.
2881 (reload_combine): Replce reload_address_index_reg_class with
2883 Don't use used_spill_regs to determine information about lifetime of
2886 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
2888 * toplev.c (display_help): Ignore empty target specific
2889 options, and if -W is also specified on the command line then
2890 display undocumented options.
2892 * config/arm/arm.c: Updated with changes in devo sources.
2893 * config/arm/arm.h: Updated with changes in devo sources.
2894 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
2895 * config/arm/lib1thumb.asm: Add ELF support.
2897 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
2899 * collect2.c (aix64_flag): New variable.
2900 (main, case 'b'): Parse it.
2901 (GCC_CHECK_HDR): object magic number must match mode.
2902 (scan_prog_file): Only check for shared object if valid header.
2903 Print debugging if header/mode mismatch.
2905 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
2907 Added support for arm-elf-linux configuration, submitted by Philip
2908 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
2909 code developed by Catherine Moore <clm@cygnus.com>. The following
2912 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
2915 * configure: Regenerated.
2917 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
2918 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
2919 definitions conditional on their not having been already defined.
2921 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
2922 and .type directives, and add "(PLT)" qualification to function
2925 * config/arm/linux.h: Deleted. This file is now superceeded by
2926 either linux-elf.h or linux-aout.h.
2928 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
2929 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
2931 Move definitions from old linux.h file here.
2933 * config/arm/elf.h: New file. Generic ARM/ELF support.
2935 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
2937 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
2939 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
2940 using the 26bit APCS.
2942 * config/arm/unknown-elf.h: New file. Support for OS'es other
2943 than Linux with ELF.
2945 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
2948 * config/arm/coff.h: Include aout.h for basic assembler macros.
2949 Add support for -mstructure_size_boundary=<n> command line option.
2951 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
2952 command line option. Make macro definitions conditional on their
2953 not having been already defined.
2955 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
2956 command line option.
2959 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
2961 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
2962 has been changed to not include a newline. Use this macro instead.
2963 (output_enumeral_list, const_value_attribute, name_attribute,
2964 comp_dir_attribute, prototyped_attribute, producer_attribute,
2965 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
2966 dwarfout_file_scope_decl, generate_new_sfname_entry,
2967 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
2968 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
2970 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
2972 * combine.c (subst): Process the inputs to a parallel asm_operands
2975 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
2977 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
2979 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
2981 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
2983 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
2985 * version.c: Bump for snapshot.
2987 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
2989 * stmt.c (expand_fixup): Set fixup->before_jump to a
2990 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
2992 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2994 * Makefile.in (recog.o): Depend on toplev.h.
2995 (insn-emit.o): Depend on recog.h.
2996 (insn-peep.o): Depend on recog.h and insn-config.h.
2998 * combine.c (simplify_set): Remove unused variable `scratches'.
3000 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
3001 and `idx' in macro conditional controlling their use.
3003 * genemit.c (main): Make the generated output file include
3004 recog.h. Don't have it declare `insn_operand_constraint', since
3005 we get it from recog.h.
3007 * genpeep.c (main): Make the generated output file include
3008 insn-config.h and recog.h.
3010 * recog.c: Include toplev.h.
3011 (extract_insn): Remove unused variable `p'.
3013 * regclass.c (fix_register): Add missing braces around initializer
3015 (allocate_reg_info): Move variable `i' into the scope where it is
3016 used. Change its type to `size_t'.
3018 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3020 * reload.c (push_reload): When merging reloads, make sure
3021 that reload_in_reg and reload_in are from the same reload in
3024 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
3026 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
3027 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3029 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
3031 * loop.c (loop_has_tablejump): New variable.
3032 (prescan_loop): Scan for it.
3033 (insert_bct): Replace explicit scan with use of it.
3034 * regclass.c (regclass): Restore loop variable j.
3035 (record_reg_classes): Deterine op_types modifiers and initialize
3036 classes[i] before matching constraints. Handle matching
3039 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
3041 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
3044 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3046 * mips.h (EXTRA_SPECS): Add missing initializers.
3048 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3050 * sparc.h (EXTRA_SPECS): Add missing initializers.
3051 (sparc_defer_case_vector): Provide a prototype.
3053 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
3054 comparing it to the result of a pointer subtraction.
3056 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3058 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
3059 the argument to (unsigned char).
3061 * alpha.h (EXTRA_SPECS): Add missing initializers.
3062 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
3065 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
3067 * flow.c (life_analysis_1): Enable "rescan" code after reload.
3068 (propagate_block): Delete dead code after reload.
3070 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
3071 back Oct 15, 1998 change.
3072 * haifa-sched.c (update_flow_info): Likewise.
3073 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
3075 * mn10200.md (truncated shift): Accept constant inputs too.
3077 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
3079 * machmode.h (mode_mask_array): No longer const.
3080 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
3082 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3084 * frame.c: Somewhat explain `FDE'.
3085 Suggested by Brendan Kehoe
3087 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
3089 * expr.c (pending_chain): Move up.
3090 (save_expr_status): Do save pending_chain.
3091 (restore_expr_status): And restore it.
3092 * function.h (struct function): Add pending_chain.
3094 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3096 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
3097 did not match the code.
3099 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3101 * regclass.c (regclass): Break out some code into new function
3102 scan_one_insn, and into regclass_init.
3103 (init_cost): New static variable, moved out of regclass.
3104 (regclass_init): Initialize it here, not in .
3105 (scan_one_insn): New static function, broken out of regclass.
3106 * recog.c (apply_change_group): Break out some code into new
3107 function insn_invalid_p.
3108 (insn_invalid_p): New static fn, broken out of apply_change_group.
3110 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
3112 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
3113 reg_reloaded_contents matches incremented pseudo.
3115 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
3117 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3119 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
3120 addressing modes with side effects. These are currently
3121 placeholders for the C4x target.
3123 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3125 * loop.c (express_from): Make sure that when generating a PLUS of
3126 a PLUS, any constant expression appears on the outermost PLUS.
3128 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
3130 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
3131 works if "$(srcdir)" != ".".
3133 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
3135 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
3136 existing SUBREG if we can, otherwise abort.
3138 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
3140 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
3141 `restrict' is applied to a non-pointer variable.
3143 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
3145 * invoke.texi: Document -flang-isoc9x.
3147 * Makefile.in (OBJS): Add splay-tree.o.
3148 (c-common.o): Depend on rtl.h.
3149 (splay-tree.o): List dependencies and provide build rule.
3151 * rtl.h (record_alias_subset): New function.
3152 * alias.c: Include splay-tree.h.
3153 (alias_set_entry): New type.
3154 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
3155 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
3156 (mems_in_disjoin_alias_sets_p): New function.
3157 (alias_set_compare): Likewise.
3158 (insert_subset_children): Likewise.
3159 (get_alias_set_entry): Likewise.
3161 * tree.h (TYPE_RESTRICT): New macro.
3162 (TYPE_UNQUALIFIED): New manifest constant.
3163 (TYPE_QUAL_CONST): Likewise
3164 (TYPE_QUAL_VOLATILE): Likewise.
3165 (TYPE_QUAL_RESTRICT): Likewise.
3166 (tree_type): Add restrict_flag. Reduce count of free bits.
3167 (DECL_POINTER_ALIAS_SET): New macro.
3168 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
3169 (tree_decl): Add pointer_alias_set.
3170 (build_qualified_type): New function.
3171 (build_type_variant): Define in terms of build_qualified_type.
3172 * tree.c (set_type_quals): New function.
3173 (make_node): Initializae DECL_POINTER_ALIAS_SET.
3174 (build_type_attribute_variant): Use build_qualified_type and
3176 (build_type_variant): Rename, and modify, to become...
3177 (build_qualified_type): New function.
3178 (build_complex_type): Use set_type_quals.
3180 * c-tree.h (C_TYPE_OBJECT_P): New macro.
3181 (C_TYPE_FUNCTION_P): Likewise.
3182 (C_TYPE_INCOMPLETE_P): Likewise.
3183 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
3184 (c_apply_type_quals_to_decl): New function.
3185 (c_build_qualified_type): New function.
3186 (c_build_type_variant): Define in terms of c_build_qualified_type.
3187 (flag_isoc9x): Declare.
3188 * c-typeck.c (qualify_type): Use c_build_qualified_type.
3189 (common_type): Change to use TYPE_QUALS.
3190 (comptypes): Likewise.
3191 (convert_for_assignment): Likewise.
3192 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
3193 * c-decl.c (flag_isoc9x): Define.
3194 (c_decode_option): Handle -flang-isoc9x.
3195 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
3196 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
3197 * c-lex.c (init_lex): Deal with restrict.
3198 (init_lex): Don't treat restrict as a reserved word in
3199 -traditional mode, or without -flang-isoc9x.
3200 * c-lex.h (rid): Add RID_RESTRICT.
3201 * c-parse.gperf (restrict, __restrict, __restrict__): Make
3202 equivalent to RID_RESTRICT.
3203 * c-parse.in (TYPE_QUAL): Update comment.
3204 * c-common.c: Include rtl.h.
3205 (c_find_base_decl): New function.
3206 (c_build_type_variant): Rename, and modify, to become ...
3207 (c_build_qualified_type): New function.
3208 (c_apply_type_quals_to_decl): Likewise.
3209 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
3210 a particular alias set for the reference.
3211 * toplev.c (documented_lang_options): Add -flang-isoc9x.
3213 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
3215 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
3216 command line switches.
3218 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
3220 * reload.c (loc_mentioned_in_p): Add missing braces to bind
3223 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
3225 * gcc.c (option_map): Added --classpath and --CLASSPATH.
3227 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
3229 * regclass.c (fix_register): Add error message.
3230 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
3233 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3235 * c-decl.c (warn_missing_noreturn): New global variable.
3236 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
3237 (finish_function): Implement missing noreturn warning.
3239 * c-tree.h (warn_missing_noreturn): Declare extern.
3241 * invoke.texi: Document new flags.
3243 * toplev.c (documented_lang_options): Add description.
3245 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3247 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
3248 loop optimization stable for the C4x.
3249 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
3250 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
3251 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
3253 (c4x_address_conflict): Be more paranoid when packing a volatile
3254 memref in a parallel load/store.
3256 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3258 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
3259 repeat_block_filler): Deleted.
3260 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
3261 Condition code not set if destination register from 'c' class.
3262 (*subbqi3_carry_clobber): Fix typo.
3264 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3266 * reorg.c (steal_delay_list_from_target) Check for insns that
3267 modify the condition codes and effect the direction of the jump
3270 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3272 * function.c (purge_addressof_1): Replace call to
3273 emit_insns_before() with emit_insn_before().
3275 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
3277 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
3279 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3281 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3283 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3285 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3286 clobbered across calls.
3288 * loop.c (scan_loop): Be more selective about what invariants are
3289 moved out of a loop.
3291 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
3293 * version.c: Bump for snapshot.
3295 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3297 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
3298 static eh_context structure.
3300 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3302 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
3304 (try_combine): Don't update max_scratch.
3305 * flow.c (max_scratch, num_scratch): Delete variables.
3306 (life_analysis_1): Don't initialize max_scratch.
3307 (propagate_block): Don't update max_scratch.
3308 (mark_set_1): Don't increment num_scratch.
3309 * regs.h (max_scratch): Delete declaration.
3311 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
3313 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
3314 is nonzero. This is temporary!
3316 * sched.c (update_flow_info): Handle death notes made invalid by
3317 instruction splitting. Partially reverts Oct 15, 1998 patch.
3318 * haifa-sched.c (update_flow_info): Likewise.
3320 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
3322 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
3323 if it has a nonzero DECL_INITIAL.
3325 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3327 * Makefile.in (flow.o): Depend on recog.h.
3329 * cpplib.h (directive_table): Add missing initializiers.
3330 (finclude): Change type of variable `bsize' to size_t.
3332 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
3334 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
3336 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
3337 `int' when comparing against one.
3338 (cpp_file_line_for_message): Mark parameter `pfile' with
3340 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
3342 * flow.c: Include recog.h.
3343 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
3345 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
3346 `f' with ATTRIBUTE_UNUSED.
3347 (reposition_prologue_and_epilogue_notes): Likewise.
3349 * genopinit.c (gen_insn): Cast argument of ctype functions to
3352 * haifa-sched.c: Include recog.h.
3353 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
3354 comparing against one.
3356 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
3358 * mips-tfile.c (parse_end): Cast the argument of ctype function to
3360 (parse_ent): Likewise.
3361 (parse_input): Likewise.
3363 * optabs.c (init_libfuncs): Likewise.
3365 * protoize.c (find_rightmost_formals_list): Likewise.
3367 * recog.h (const_double_operand): Fix typo in prototype.
3369 * tlink.c (scan_linker_output): Cast the argument of ctype
3370 function to `unsigned char'.
3372 * toplev.c (check_lang_option): Cast the result of `strlen' to
3373 `int' when comparing against one.
3375 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3377 * gcse.c (dump_cuid_table): Correct typo.
3379 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
3381 * toplev.c (display_help): Prepend '-m' to target specific
3383 (check_lang_option): Ignore text after end of first word of a
3384 language specific option.
3386 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3388 * reload1.c (reg_used_by_pseudo): New static variable.
3389 (choose_reload_regs): Initialize it.
3390 Use it instead of testing spill_reg_order to determine whether a
3391 pseudo is live in a hard register across the current insn.
3392 Fix a typo in a reference to reload_reg_rtx.
3394 * flow.c (propagate_block): Replace code that computes and uses
3395 regs_sometimes_live with simpler code that just walks the set of
3396 currently live registers.
3398 * Makefile.in (insn-extract.o): Fix dependencies.
3399 * genextract.c (main): Generate includes for insn-config.h and
3401 Delete generation of declarations which are now in recog.h.
3402 * genrecog.c (main): Delete generation of definitions which are
3404 * local-alloc.c (block_alloc): Use extract_insn and the variables
3405 it sets up instead of looking up values by insn_code.
3406 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
3407 recog_dup_num): Define here instead of generating the definition in
3409 (recog_n_operands, recog_n_dups, recog_n_alternatives,
3410 recog_operand_mode, recog_constraints, recog_operand_address_p):
3412 (extract_insn): New function.
3413 * recog.h (extract_insn): Declare function.
3414 (which_alternative, recog_n_operands, recog_n_dups,
3415 recog_n_alternatives, recog_operand_mode, recog_constraints,
3416 recog_operand_address_p): Declare variables.
3417 * regclass.c (n_occurrences): New static function.
3418 * reload.c (n_occurrences): Delete function.
3419 (find_reloads): Use extract_insn.
3420 * reload.h (n_occurrences): Delete declaration.
3422 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
3424 * reload1.c (reload_as_needed): Fix test for when to call
3425 update_eliminable_offsets.
3427 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3429 Fix consistency problems with reg_equiv_{mem,address};
3430 Improve reload inheritance;
3432 * reload.c (reload_out_reg): New variable.
3433 (loc_mentioned_in_p, remove_address_replacements): New functions.
3434 (remove_replacements): Deleted.
3435 (push_reload): Set reload_out_reg[i].
3436 When merging, also set reload_{in,out}_reg[i], and remove
3437 duplicate address reloads.
3438 (combine_reloads): Copy reload_out_reg[i].
3439 (find_reloads): Do make_memloc substitution also when
3440 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3442 Include *recog_operand_loc in commutativity operand changes.
3443 Generate optional output reloads.
3444 Delete reference to n_memlocs. Don't set *recog_operand_loc before
3445 processing operands. Call make_memloc in reg_equiv_address code.
3446 Set *recog_operand_loc only after processing operands, and only
3447 if replace is true. Return a value.
3448 When changing address reload types for operands that didn't get
3449 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
3450 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
3451 Don't emit USEs for pseudo SUBREGs when not replacing.
3452 (find_reloads_address): Do make_memloc substitution also when
3453 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3455 (find_reloads_toplev): Likewise.
3456 Call make_memloc in reg_equiv_address code.
3457 (debug_reload_to_stream): Add code to output reload_out_reg.
3458 (make_memloc): Delete local variable i, ifdefed out code, and
3459 references to memlocs and n_memlocs.
3460 (memlocs, n_memlocs): Delete.
3461 (push_secondary_reload): Clear reload_out_reg.
3462 (find_reloads_address_1): Provide memrefloc argument to all calls
3463 to find_reloads_address.
3464 In AUTO_INC code, handle non-directly addressable equivalences properly.
3465 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
3466 (find_reloads): Add return type.
3467 (remove_address_replacements, deallocate_reload_reg): Declare.
3468 * reload1.c (num_not_at_initial_offset): No longer static.
3469 (delete_address_reloads, delete_address_reloads_1): Likewise.
3470 (deallocate_reload_reg): New function.
3471 (spill_reg_stored_to): New array.
3472 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
3473 (eliminate_regs_in_insn): Move assignments of previous_offset and
3474 max_offset fields, and recalculation of num_not_at_initial_offset
3475 into new static function:
3476 (update_eliminable_offsets) .
3477 (reload_as_needed): Call update_eliminable_offsetss after calling
3479 Call forget_old_reloads_1 with contents of reloaded auto_inc
3480 expressions if the actual addressing can't be changed to match the
3482 (choose_reload_regs): For inheritance, replace
3483 reload_reg_free_before_p test with reload_reg_used_at_all test, and
3484 remove stand-alone reload_reg_used_at_all test.
3485 Use reload_out_reg to determine which reload regs have output reloads.
3486 Treat reload_override_in more similar to inherited reloads.
3487 Handle (subreg (reg... for inheritance.
3488 For flag_expensive_optimizations, add an extra pass to remove
3489 unnecessary reloads from known working inheritance.
3490 Delete obsolete code for pseudos replaced with MEMs.
3491 Handle inheritance from auto_inc expressions.
3492 (emit_reload_insns): If reload_in is a MEM, set OLD to
3494 Don't reload directly from oldequiv; if it's a pseudo with a
3495 stack slot, use reload_in[j].
3496 Check that reload_in_reg[j] is a MEM before replacing reload_in
3497 from reg_reloaded_contents.
3498 Include non-spill registers in reload inheritance processing.
3499 Also try to use reload_out_reg to set spill_reg_store /
3500 reg_last_reload_reg.
3501 In code to set new_spill_reg_store, use single_set to find out if
3502 there is a single set.
3503 Add code that allows to delete optional output reloads.
3504 Add code to allow deletion of output reloads that use no spill reg.
3505 At the end, set reload_override_in to oldequiv.
3506 Also call delete_output_reload if reload_out_reg is equal to old
3508 Add code to call delete_output_reload for stores with no matching load.
3509 Set / use spill_reg_stored_to.
3510 Handle case where secondary output reload uses a temporary, but
3511 actual store isn't found.
3512 When looking for a store of a value not loaded in order to call
3513 delete_output_reload, count_occurences should return 0 for no
3514 loads; but discount inherited input reloadill_reg_stored_to.
3515 Do checks for extra uses of REG. Changed all
3517 Use delete_address_reloads.
3518 (reload): Take return value of find_reloads into account.
3519 If a no-op set needs more than one reload, delete it.
3520 (reload_reg_free_before_p): RELOAD_FOR_INPUT
3521 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
3522 for the same operand.
3523 (clear_reload_reg_in_use): Check for other reloads that keep a
3525 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
3526 RELOAD_FOR_OPADDR_ADDR.
3527 Take into account when an address address reload is only needed
3528 for the address reload we are considering.
3529 (count_occurrences): Use rtx_equal_p for MEMs.
3530 (inc_for_reload): Return instruction that stores into RELOADREG.
3531 New argument two, IN, and rtx. Changed all callers.
3532 (calculate_needs_all_insns, reload_as_needed):
3533 Don't clear after_call for a CLOBBER.
3534 Keep track of how many hard registers need to be copied from
3535 after_call, and don't clear after_call before we have seen
3536 that much copies, or we see a different instruction.
3538 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
3540 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
3541 after reload has completed.
3543 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
3545 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
3546 a macro name and the next token with a single blank if that whitespace
3547 is in a macro buffer and the next token is not '('.
3549 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
3551 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
3553 (skip_if_group): Ditto.
3554 (skip_to_end_of_comment): Ditto.
3556 (discard_comments): Ditto.
3557 (change_newlines): Ditto.
3559 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
3561 * c-lex.c (yylex): Fix unaligned access of wchar_t.
3563 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
3565 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
3566 (TARGET_OPTIONS): Add --help documentation.
3568 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3570 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
3572 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
3574 * fixinc/* Moved in from ../contrib directory in preparation
3575 for integrating it into the normal build process. In particular,
3576 fixinc/Makefile.in must be config-ed into the build directory
3577 as fixinc/Makefile. Proposed patches to ./Makefile.in and
3578 ./configure.in will be "in the mail" momentarily.
3580 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
3582 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
3583 accidently walk into the free list. Comment how that can happen.
3584 (invalidate): Fix indentation.
3586 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3587 Jeffrey A Law (law@cygnus.com)
3589 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
3590 reload. Never perform rescans of the insn chain after reload.
3591 (propagate_block): Do not delete insn or create new autoinc addressing
3594 * jump.c (jump_optimize): Unconditionally use the code that was
3595 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
3596 * reload1.c (reload): When reloading is finished, delete all
3597 REG_DEAD and REG_UNUSED notes.
3598 (emit_reload_insns): Delete all code that was conditional on
3599 PRESERVE_DEATH_INFO_REGNO_P.
3600 (no_longer_dead_regs): Delete variable.
3601 (reload_cse_delete_death_notes): Delete function.
3602 (reload_cse_no_longer_dead): Delete function.
3603 (reload_cse_regs_1): Delete all code to handle deletion of death
3605 (reload_cse_noop_set_p): Likewise.
3606 (reload_cse_simplify_set): Likewise.
3607 (reload_cse_simplify_operands): Likewise.
3608 (reload_cse_move2add): Likewise.
3609 * reorg.c (used_spill_regs): Delete declaration.
3610 (max_label_num_after_reload): Delete declaration.
3611 (find_dead_or_set_registers): Don't assume that spill regs are
3612 dead at a CODE_LABEL.
3613 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
3615 * sched.c (sched_analyze_insn): Likewise.
3616 (update_flow_info): Likewise.
3617 * haifa-sched.c (sched_analyze_insn): Likewise.
3618 (update_flow_info): Likewise.
3619 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
3620 * toplev.c (max_label_num_after_reload): Delete variable.
3621 (rest_of_compilation): Don't set max_label_num_after_reload.
3622 Call life_analysis after reload_cse_regs if optimizing.
3623 * config/gmicro/gmicro.h: Delete comment referring to
3624 PRESERVE_DEATH_INFO_REGNO_P.
3625 * config/i386/i386.h: Likewise.
3626 * config/m88k/m88k.h: Likewise.
3627 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
3628 * config/sh/sh.h: Likewise.
3630 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
3632 * loop.c (strength_reduce): Restore marking bct_p as
3634 * rs6000.c (optimization_options): Change #ifdef HAIFA to
3635 HAVE_decrement_and_branch_on_count.
3636 (small_data_operand): Remove TARGET_ELF condition for marking
3637 parameters ATTRIBUTE_UNUSED.
3639 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
3641 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
3642 (SELECT_SECTION): Resync with svr4.h.
3644 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
3646 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
3649 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
3651 * c-pragma.c (handle_pragma_token): Test for null tree before
3652 dereferencing TREE_CODE.
3654 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3656 * config/c4x/c4x.c: Convert to use GEN_INT.
3657 (c4x_parallel_process): Rework to handle new repeat loop structure.
3659 * config/c4x/c4x.md: Convert to use GEN_INT.
3660 (rptb_end): Convert to use GE test. Replace uses with clobbers.
3661 (decrement_and_branch_on_count): Likewise.
3663 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
3664 loop.c has the desired functionality.
3665 (rc_reg_operand): New prototype.
3667 * config/c4x/t-c4x: Can now build all front ends.
3669 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
3671 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
3673 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
3675 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
3676 * config/t-rtems: Do not install assert.h -- use newlib's.
3678 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3680 * combine.c (combine_instructions): When finished, call init_recog.
3681 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
3683 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
3685 * toplev.c: If flag_syntax_only, don't open or write assembler file.
3687 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3689 * cppalloc.c (memory_full): Mark function prototype with
3692 * demangle.h (collect_exit): Likewise.
3694 * fix-header.c (v_fatal, fatal): Likewise.
3696 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
3699 * gcov.c (print_usage): Likewise.
3701 * genattr.c (fatal, fancy_abort): Likewise.
3703 * genattrtab.c (fatal, fancy_abort): Likewise.
3705 * gencodes.c (fatal, fancy_abort): Likewise.
3707 * genconfig.c (fatal, fancy_abort): Likewise.
3709 * genemit.c (fatal, fancy_abort): Likewise.
3711 * genextract.c (fatal, fancy_abort): Likewise.
3713 * genflags.c (fatal, fancy_abort): Likewise.
3715 * genopinit.c (fatal, fancy_abort): Likewise.
3717 * genoutput.c (fatal, fancy_abort): Likewise.
3719 * genpeep.c (fatal, fancy_abort): Likewise.
3721 * genrecog.c (fatal, fancy_abort): Likewise.
3723 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
3724 __sjpopnthrow, __throw): Likewise.
3726 * objc/objc-act.c (objc_fatal): Likewise.
3728 * protoize.c (usage, aux_info_corrupted,
3729 declare_source_confusing): Likewise.
3731 * rtl.c (dump_and_abort): Likewise.
3733 * rtl.h (sets_cc0_p): Likewise.
3735 * toplev.c (float_signal, pipe_closed): Likewise.
3737 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3739 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
3740 when generating the decision tree for the general case.
3742 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
3743 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
3745 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3747 * Makefile.in (sched.o): Depend on recog.h.
3749 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
3750 (unsigned) when comparing against one.
3751 (find_base_value): Likewise.
3752 (record_base_value): Cast variable `regno' to (unsigned) when
3753 comparing against one. Cast the result of REGNO() macro to
3754 (unsigned) when comparing against one.
3755 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
3757 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
3758 variable where an unsigned index is needed.
3760 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
3761 before comparing against one.
3763 * collect2.c: Add prototypes for functions `error', `fatal' and
3764 `fatal_perror'. Make these functions take variable arguments
3765 instead of faking it with a fixed number of args.
3766 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
3769 * combine.c (can_combine_p): Mark parameter `pred' with
3771 (find_split_point): Cast variable `src' to (unsigned
3772 HOST_WIDE_INT) when comparing against one.
3773 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
3774 (simplify_logical): Likewise.
3775 (force_to_mode): Cast result of INTVAL() macro to (unsigned
3776 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
3777 HOST_WIDE_INT) in shift.
3778 (simplify_and_const_int): Cast result of INTVAL() macro to
3779 `unsigned HOST_WIDE_INT' when comparing against one.
3780 (merge_outer_ops): Cast variable const0 to `unsigned
3781 HOST_WIDE_INT' when comparing against the result of
3782 GET_MODE_MASK() macro.
3783 (simplify_comparison): Likewise for variable `c0'. Cast variable
3784 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
3785 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
3786 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
3787 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
3788 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
3789 comparing against one.
3790 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
3792 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
3793 macro to `unsigned HOST_WIDE_INT' when comparing against one.
3794 (output_block_move): Cast `sizeof' expression to (int) when
3795 comparing against one.
3796 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
3798 (save_restore_insns): Cast `base_offset' to `long' to match format
3799 specifier in fprintf.
3801 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
3802 to `enum machine_mode'.
3804 * flow.c (life_analysis_1): Remove unused variable `insn'.
3806 * gcc.c (translate_options): Move variables `j' and `k' into the
3807 scope in which they are used. Change their types to `size_t'.
3808 (set_spec): Cast the argument of ctype macro to `unsigned char'.
3809 (read_specs): Likewise.
3810 (process_command): Cast `sizeof' to (int) when comparing against one.
3811 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
3812 (handle_braces): Cast both sides of `==' expression to `long' to
3813 ensure sign matching.
3814 (main): Cast variable `i' to `int' when comparing against one.
3816 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
3817 int to size_t. Cast variable `i' to size_t when comparing against
3820 * genattrtab.c (convert_set_attr_alternative): Remove unused
3821 parameter `insn_code'. All callers changed.
3822 (convert_set_attr): Likewise.
3824 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
3825 size_t when comparing against one. Likewise for variable `len'.
3827 * global.c (global_alloc): Cast variable `max_regno' to size_t
3828 when comparing against one. Likewise for variable `max_allocno'.
3830 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
3832 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
3833 `set' with ATTRIBUTE_UNUSED.
3834 (find_free_reg): Cast `sizeof' expression to (int) when comparing
3837 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
3838 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
3839 (get_condition): Cast variable `const_val' to `unsigned
3840 HOST_WIDE_INT' when comparing against one. Cast unsigned
3841 expression to HOST_WIDE_INT when comparing against one.
3842 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
3843 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
3844 `unsigned' when comparing against one.
3846 * protoize.c (is_id_char): Change type of parameter `ch' to
3848 (munge_compile_params): Cast argument of ctype macro to (const
3850 (process_aux_info_file): Cast variable `aux_info_size' to int when
3851 comparing against one.
3852 (forward_to_next_token_char): Cast argument of ctype macro to
3853 `const unsigned char'.
3854 (edit_formals_lists): Likewise.
3855 (find_rightmost_formals_list): Likewise.
3856 (add_local_decl): Likewise.
3857 (add_global_decls): Likewise.
3858 (edit_fn_definition): Likewise.
3859 (do_cleaning): Likewise.
3860 (scan_for_missed_items): Likewise.
3861 (edit_file): Cast variable `orig_size' to (int) when comparing
3863 (main): Cast argument of ctype macro to `const unsigned char'.
3865 * recog.c (const_int_operand): Mark parameter `mode' with
3868 * regclass.c (record_reg_classes): Change type of variable `c' to
3869 `unsigned char'. Cast `char' array index to `unsigned char'.
3871 * reload.c (push_secondary_reload): Cast argument to
3872 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
3874 * reload1.c (calculate_needs): Cast `char' array index to
3876 (set_label_offsets): Change type of variable `i' to unsigned int.
3877 Cast result of XVECLEN() macro to unsigned when comparing against
3879 (mark_not_eliminable): Change type of variable `i' to unsigned.
3880 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
3881 when comparing against one.
3882 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
3883 comparing against one.
3884 (choose_reload_regs): Hide unused label `fail'.
3885 (reload_cse_simplify_operands): Cast `char' array index to
3887 (reload_combine_note_store): Mark parameter `set' with
3888 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
3890 (reload_cse_move2add): Remove unused variable `src2'.
3892 * sched.c: Include recog.h.
3893 (sched_note_set): Remove unused parameter `b'. All callers
3895 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
3896 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
3897 when comparing against one.
3899 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
3900 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
3901 comparing against one.
3903 * unroll.c (precondition_loop_p): Remove unused parameter
3904 `loop_end'. All callers changed.
3906 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3908 * reload1.c (maybe_fix_stack_asms): New static function.
3911 * reload.h (compute_use_by_pseudos): Declare.
3913 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
3914 (something_needs_reloads): Delete variable.
3915 (finish_spills): New function.
3916 (compute_use_by_pseudos): New function.
3918 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
3919 Use the reload_insn_chain instead of walking the rtl directly.
3921 (reload): Allocate and free spilled_pseudos.
3922 Ensure that all calls of spill_hard_reg are followed by a call to
3924 Use the insns_need_reload list instead of something_needs_reloads
3925 to find out if reload_as_needed must be called.
3926 Clear unused_insn_chains at the end.
3928 (calculate_needs_all_insns): Lose FIRST parameter. All callers
3930 Delete code to keep track of current basic block.
3931 Walk reload_insn_chain instead of the rtl structure. Build the
3932 insns_need_reload chain.
3933 Remember which insns need reloading/elimination by setting the
3934 appropriate fields in struct insn_chain, not by putting modes on the
3937 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
3938 arg INSN. All callers changed.
3939 Delete declaration of struct needs.
3940 Don't set something_needs_reloads.
3941 Record insn needs in the CHAIN argument.
3943 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
3945 (reload_as_needed): Lose FIRST arg. All callers changed.
3946 Walk the reload_insn_chain instead of the rtx structure.
3947 Delete code to keep track of current basic block.
3948 Rename one of the NEXT variables to OLD_NEXT.
3950 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
3952 (choose_reload_regs): Likewise.
3954 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
3957 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
3958 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
3959 (hard_regs_live, hard_regs_need_restore): Delete variables.
3960 (n_regs_saved): Now static.
3961 (referenced_regs, this_insn_sets): New variables.
3963 (setup_save_areas): Restructure the code a bit.
3965 (restore_referenced_regs): Delete function.
3966 (mark_referenced_regs): New function, similar to the old
3967 restore_referenced_regs, but mark registers in referenced_regs.
3969 (clear_reg_live): Delete function.
3970 (mark_set_regs): Renamed from set_reg_live. All callers changed.
3971 Only mark registers in this_insn_sets.
3973 (save_call_clobbered_regs): Rework this function to walk the
3974 reload_insn_chain instead of using the list of instructions directly.
3975 Delete code to keep track of register lives, compute live regs on the
3976 fly from information in the chain.
3977 Instead of calling restore_referenced_regs, use mark_referenced_regs,
3978 then walk the set it computes and call insert_restore as appropriate.
3980 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
3982 Restructure the code a bit. Test hard_regs_saved instead of
3983 hard_regs_need_restore.
3984 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
3985 args. All callers changed.
3986 Restructure the code a bit. Use TO_SAVE to determine which regs to
3987 save instead of more complicated test.
3988 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
3990 Create a new insn_chain structure for the new insn and place it
3993 * rtl.texi: Update documentation to reflect that reload no longer
3994 puts modes on the insns.
3996 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3998 * function.c (purge_addressof_1): Force the first argument of a
3999 CALL insn to memory.
4001 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
4003 * rtl.h: Delete duplicate prototypes. Add some missing
4005 * rtlanal.c: (for_each_rtx): Formatting tweak.
4007 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4009 * real.c (emdnorm and etoasc): Disable round to even for c4x target
4010 to be compatible with TI compiler.
4012 * Makefile.in (USER_H): Add va-c4x.h to definition.
4014 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
4016 * function.c (purge_addressof_1): Fix typo in inequality: do
4017 bitfield optimization for equal mode sizes.
4018 * expmed.c (store_bit_field): Don't take subregs of subregs in
4019 the movstrict case. Tidy a potential problem in the multi-word case.
4020 (extract_bit_field): Likewise.
4022 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4024 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
4026 Compute max_uid_for_flow by calling get_max_uid after the scan.
4027 (find_basic_blocks_1): Don't emit NOPs here.
4029 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
4031 * alias.c (base_alias_check): Accept new args for the modes of the
4032 two references. Use them to determine if an AND can overlap. Update
4034 (memrefs_conflict_p): Assume sizes are aligned, and uses them
4035 to determine if an AND can overlap.
4037 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
4039 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
4040 check. Add comment to document problems with TARGET_SUN_FPA version
4042 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
4044 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4046 * Makefile.in (gencheck.o): Depend on gansidecl.h.
4048 * c-common.c (print_char_table): Add missing initializers.
4049 (scan_char_table): Likewise.
4050 (time_char_table): Likewise.
4052 * c-decl.c (c_decode_option): Mark parameter `argc' with
4054 (declare_parm_level): Mark parameter `definition_flag' with
4057 * c-lex.c (readescape): Use `(unsigned)1' in shift.
4058 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
4061 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
4063 (emit_call_1): Mark parameters `fndecl' and `funtype' with
4065 (expand_call): Cast result of MIN() to (unsigned int) when
4066 comparing against an unsigned value.
4068 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
4070 (make_definition): Remove unused parameter `op'. All callers
4072 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
4073 comparing against the result of pointer arithmetic.
4075 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
4076 when comparing against one.
4078 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
4079 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
4081 (output_die): Move variable `i' into the scope in which it is
4082 used. Change its type to `unsigned'.
4083 (output_die): Cast the result of `strlen' to (int) when passing it
4084 to ASM_OUTPUT_ASCII().
4085 (output_pubnames): Likewise.
4086 (output_line_info): Likewise.
4088 * emit-rtl.c (global_rtl): Add missing initializers.
4090 * explow.c (promote_mode): Mark parameter `for_call' with
4093 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
4094 `unsigned HOST_WIDE_INT' when comparing against one.
4095 (synth_mult): Change type of variable `cost' to int.
4096 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
4098 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
4099 when comparing against one.
4100 (get_inner_reference): Change variable `alignment' to unsigned.
4101 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
4102 int) when comparing against one.
4103 (expand_builtin_setjmp): Change type of variable `i' to size_t.
4105 * fold-const.c (div_and_round_double): Cast BASE to
4106 (HOST_WIDE_INT) when comparing against one.
4108 * gencheck.c: Include gansidecl.h.
4109 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
4111 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
4112 `tcode' with ATTRIBUTE_UNUSED.
4114 * real.c (edivm): Cast constant value to (unsigned long) in
4115 expression compared against an unsigned value.
4117 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
4118 comparing against one.
4119 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
4120 when comparing against one.
4122 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
4123 (unsigned int) when comparing against one. Likewise for
4125 (smallest_mode_for_size): Likewise.
4126 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
4127 (restore_storage_status): Likewise.
4129 * toplev.c (debug_args): Add missing initializer.
4130 (f_options): Spelling correction. Add missing initializers.
4131 (documented_lang_options): Likewise.
4132 (debug_end_source_file): Mark parameter `lineno' with
4135 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
4136 `decl' and `type' with ATTRIBUTE_UNUSED.
4138 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
4139 when comparing against one.
4140 (assemble_variable): Mark parameter `top_level' with
4142 (assemble_external_libcall): Mark parameter `fun' with
4144 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
4147 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
4149 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
4150 Replace use of r5 with use of r19.
4152 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
4154 * config/v850/v850.c (compute_register_save_size): Allow for the
4155 fact that helper functions save all registers, not just those used
4158 Replace constant 31 with macro LINK_POINTER_REGNUM.
4160 * config/v850/v850.md: Use 'indirect_operand' rather than
4161 'memory_operand' for bit test/set/clear patterns.
4163 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
4165 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
4166 * varasm.c (assemble_start_function et al): Don't call
4167 ASM_GLOBALIZE_LABEL for weak symbols.
4169 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
4171 * cse.c (equiv_constant): Check for NULL return from
4172 gen_lowpart_if_possible().
4174 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
4176 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
4178 * collect2.c (main): Pass -EL/-EB through to the compiler.
4180 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4182 * expr.c (push_block): Handle targets where the stack grows
4183 to higher addresses, but args grow to lower addresses and
4184 ACCUMULATE_OUTGOING_ARGS is not defined.
4186 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
4188 * config/v850/v850.c (print_operand): Extend meaning
4189 of 'c' operands to support .vtinherit.
4191 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4193 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
4194 Added ATTRIBUTE_UNUSED to unused function arguments.
4195 (rc_reg_operand): New predicate.
4196 (c4x_rptb_insert): New function.
4197 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
4198 (c4x_optimization_options): New function.
4200 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
4201 (decrement_and_branch_on_count): New pattern.
4202 (rptb_top): Modified pattern to work with BCT optimization.
4204 * config/c4x/c4x.h (RC_REG): New register class.
4205 (rc_reg_operand): Define prototype.
4206 (IS_RC_REG): New macro.
4207 (IS_RC_OR_PSEUDO_REG): New macro.
4208 (IS_RC_OR_PSEUDO_REGNO): New macro.
4209 (OPTIMIZATION_OPTIONS): Define.
4211 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
4213 * collect2.c (extract_init_priority): No priority is 65535.
4215 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4217 * Makefile.in (build_tooldir): new variable, same as old
4218 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
4219 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
4220 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
4222 * configure.in (gxx_include_dir): set default based on unlibsubdir
4223 * Makefile.in (tooldir): ditto
4224 (cccp.o, cpplib.o): use unlibsubdir implicitly through
4225 gxx_include_dir, includedir and tooldir
4226 (protoize.o, unprotoize.o): ditto
4228 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
4230 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
4232 * config/arm/thumb.c (thumb_override_options): Add warning about
4233 PIC code not being supported just yet.
4235 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
4237 * flow.c: Update comment.
4238 (notice_stack_pointer_modification): New static function.
4239 (record_volatile_insns): Use it.
4240 (mark_regs_live_at_end): Mark the stack pointer as alive
4241 at the end of the function if current_function_sp_is_unchanging
4243 (life_analysis_1): Set current_function_sp_is_unchanging.
4244 * function.c: Define it.
4245 (init_function_start): Initialize it.
4246 * output.h: Declare it.
4247 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
4248 the stack pointer as alive at the end of the function if
4249 current_function_sp_is_unchanging is set.
4250 * i386.c (ix86_epilogue): Optimize the restoring
4251 of the stack pointer.
4253 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
4255 * version.c: Bump for snapshot.
4257 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
4259 * c-pragma.c (handle_pragma_token): If passed a token instead
4260 of a tree, use that as the pack value.
4262 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
4264 * flow.c (find_basic_blocks_1): Fix prototype.
4266 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
4268 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
4269 (struct tree_decl): New fields no_check_memory_usage.
4270 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
4271 (init_attributes): Register it as a new attribute.
4272 (decl_attributes): Set flags on functions given that attribute.
4273 * c-decl.c (duplicate_decls): Merge new attribute.
4274 * expr.h (current_function_check_memory_usage): Declare new var.
4275 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
4276 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
4277 current_function_check_memory_usage.
4278 * function.h: Add field to struct function.
4279 * function.c (current_function_check_memory_usage): Define it.
4280 (push_function_context_to, pop_function_context_from): Save and
4282 (expand_function_start): Set it, based on global flag and function
4285 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4286 check non-automatic variables, to permit detection of writes to
4287 read-only locations in embedded systems without memory management.
4288 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4289 when emitting chkr_set_right_libfunc call, even if the argument is
4290 BLKmode or variable-sized; don't abort.
4292 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
4293 symbols in Pmode, not VOIDmode.
4295 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4297 * cppexp.c: When forcing unsigned comparisons, cast both sides
4300 * cpphash.h: Move static declaration of hashtab[]...
4301 * cpphash.c: ...here.
4303 * cpplib.c: Cast difference of two pointers to size_t before
4304 comparing it to size_t. Cast signed to unsigned
4305 before comparing to size_t. (FIXME: struct argdata should use
4306 unsigned buffer sizes.)
4307 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
4308 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
4309 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
4310 size_t before comparison.
4312 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
4314 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
4315 (find_basic_blocks_1): Similarly.
4316 * output.h (find_basic_blocks): Fix prototype.
4317 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
4318 find_basic_blocks anymore.
4320 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
4322 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
4323 (sbitmap_free, sbitmap_vector_free): New macros.
4324 * output.h (rtl_dump_file): Declare.
4326 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
4328 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
4330 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4332 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
4334 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
4335 (divide): Remove unused variable `tmp'.
4336 (si_to_float): Cast numeric constant to (SItype) before comparing
4339 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
4341 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
4342 * gcc.c (add_preprocessor_option): Correct typo when allocating
4343 memory, sizeof() argument had one too many `*'.
4344 (add_assembler_option): Likewise.
4345 (add_linker_option): Likewise.
4346 * gcov.c (output_data): Likewise.
4347 * local-alloc.c (memref_used_between_p): Likewise.
4348 (update_equiv_regs): Likewise.
4349 * loop.c (strength_reduce): Likewise.
4350 * reg-stack.c (record_asm_reg_life): Likewise.
4351 (subst_asm_stack_reg): Likewise.
4352 * reorg.c (dbr_schedule): Likewise.
4354 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4356 * flow.c (life_analysis_1): Break out some functions.
4357 (find_basic_blocks_1): Likewise. Also move some variables out and
4359 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
4360 new static var nonlocal_label_list with it.
4361 (active_eh_region, nested_eh_region, label_value_list,
4362 nonlocal_label_list): New static variables.
4363 (make_edges, delete_unreachable_blocks, delete_block): New static
4364 functions, broken out of find_basic_blocks_1.
4365 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
4366 noop_move_p): New static functions, broken out of life_analysis_1.
4368 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
4370 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
4371 Take extra care for op0 now possibly being a subreg.
4372 (extract_bit_field): Likewise.
4373 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
4374 the reg to memory if there is no equal sized integral mode.
4375 * stor-layout.c (int_mode_for_mode): New function.
4376 * machmode.h: Prototype it.
4378 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
4380 * global.c (build_insn_chain): Verify no real insns exist past the
4381 end of the last basic block, then exit the loop.
4383 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4385 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
4387 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
4389 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
4391 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
4393 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
4395 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
4397 * flow.c (find_basic_blocks): Correctly determine when a call
4398 is within an exception region.
4400 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
4402 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
4404 * cpplib.h: Protect from multiple inclusions.
4405 * cpplib.c: Fix minor formatting problems.
4407 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
4409 * jump.c (jump_optimize): Revert accidental patch.
4411 * Makefile.in (cpplib.o): Use unlibsubdir.
4413 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
4415 * loop.c (get_condition): Allow combine when either compare is
4418 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
4420 * version.c: Bump for snapshot.
4422 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
4424 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
4425 (init_lex): Initialize ridpointers[RID_BYREF].
4426 * c-lex.h (enum rid): Add RID_BYREF.
4427 * c-parse.gperf: Add RID_BYREF as a type qualifier.
4428 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
4429 (encode_type_qualifiers): Similarly
4430 * c-gperf.h: Rebuilt.
4432 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
4434 * c-common.c (type_for_mode): Only return TItype nodes when
4435 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4436 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
4437 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4438 (init_decl_processing): Only create TItype nodes when
4439 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4440 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
4441 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4443 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4445 * stmt.c (n_occurrences): New static function.
4446 (expand_asm_operands): Verify that all constrains match in the
4447 number of alternatives.
4448 Verify that '+' or '=' are at the beginning of an output constraint.
4449 Don't allow '&' for input operands.
4450 Verify that '%' isn't written for the last operand.
4451 * reload.c (find_reloads): Abort if an asm is found with invalid
4452 constraints; all possible problems ought to be checked for earlier.
4454 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4456 * flags.h (flag_branch_on_count_reg): Always declare
4457 * toplev.c (flag_branch_on_count_reg): Likewise.
4458 * toplev.c: Fix typos.
4460 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
4463 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
4465 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
4467 (find_basic_blocks_1): Add a nop to the end of a basic block when
4468 a trailing call insn does not have abnormal control flow.
4469 * gcse.c (pre_transpout): New variable.
4470 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
4471 (compute_pre_transpout): Calculate it.
4472 (compute_pre_ppinout): Use it to eliminate impossible placements
4473 due to abnormal control flow through calls.
4474 (compute_pre_data): Call compute_pre_transpout.
4476 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4478 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
4480 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
4482 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
4483 and matching define_insns): Tack on a `use' of the table label, so
4484 flow analysis will recognize a tablejump.
4486 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
4488 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
4489 always end basic blocks for abnormal edge reasons.
4491 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
4493 * config/i386/i386.h: Remove definition of
4494 HANDLE_PRAGMA_PACK_PUSH_POP.
4496 * config/i386/go32.h: Add definition of
4497 HANDLE_PRAGMA_PACK_PUSH_POP.
4499 * config/i386/win32.h: Add definition of
4500 HANDLE_PRAGMA_PACK_PUSH_POP.
4502 * config/i386/cygwin32.h: Add definition of
4503 HANDLE_PRAGMA_PACK_PUSH_POP.
4505 * c-pragma.c (insert_pack_attributes): Do not insert
4506 attributes unless #pragma pack(push,<n>) is in effect.
4508 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
4510 * expr.c (emit_group_store): Handle a PARALLEL destination.
4512 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
4514 * gcse.c (pre_insert_insn): When a call ends a bb, insert
4515 the new insns before the argument regs are loaded.
4517 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4519 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
4520 (c-parse.gperf): Update comments describing invocation flags.
4521 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
4523 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
4525 * reload1.c (reload): Call free before clobbering the memory
4526 locations or constants pointers.
4528 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4530 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
4531 for efficiency by checking whether we need to modify the current
4532 stack permission at all.
4533 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
4534 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
4535 __enable_execute_stack libcall here too if
4536 TRANSFER_FROM_TRAMPOLINE is defined.
4537 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
4540 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
4542 * Makefile.in (DRIVER_DEFINES): Remove last change.
4544 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4546 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
4547 insns we're going to copy.
4548 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
4550 * loop.c (count_one_set): Add prototype.
4552 * caller-save.c (restore_referenced_regs): Lose mode argument.
4553 (insert_save): Lose mode argument.
4554 (insert_restore): Lose mode argument.
4555 (insert_one_insn): Lose mode argument.
4556 (save_call_clobbered_regs): Lose mode argument.
4557 (setup_save_areas): Take no argument and return void. All callers
4559 Don't verify validity of memory addresses.
4560 * reload.h (setup_save_ares): Adjust prototype.
4561 (save_call_clobbered_regs): Likewise.
4562 * reload1.c (delete_caller_save_insns): New function.
4563 (caller_save_spill_class): Delete variable.
4564 (caller_save_group_size): Delete variable.
4565 (reload): Call setup_save_areas and save_call_clobbered_regs
4566 in the main loop, before calling calculate_needs_all_insns.
4567 Don't call save_call_clobbered_regs after the loop.
4568 Call delete_caller_save_insns at the end of an iteration if
4570 Delete code to manage caller_save_spill_class.
4571 Emit the final note before setting reload_first_uid.
4572 Simplify test that determines whether reload_as_needed gets run.
4573 (calculate_needs): Delete code to manage caller_save_spill_class.
4575 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
4577 * collect2.c (main): Initialize ld_file_name.
4579 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
4581 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
4582 check for flag_function_sections.
4584 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4586 * cse.c (insert_regs): Fix bug in Sep 24 change.
4588 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4590 * flags.h (flag_dump_unnumbered): Declare.
4591 * toplev.c (flag_dump_unnumbered): Don't declare.
4592 * print-rtl.c (flags.h): Include.
4593 (print_rtl_single): Add return value.
4594 * rtl.h (print_rtl_single): Update declaration.
4595 * flow.c (flag_dump_unnumbered): Don't declare.
4596 (print_rtl_with_bb): Use return value of print_rtl_single.
4598 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4600 * loop.c (count_one_set): New static function, broken out of
4602 (count_loop_regs_set): Call it.
4603 * global.c (mark_reg_store): Handle clobbers here by not calling
4605 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
4606 is in fact a clobber.
4607 * integrate.c (process_reg_param): New function, broken out of
4608 expand_inline_function.
4609 (expand_inline_function): Call it.
4612 * i386.md (addsidi3_1): Delete unused variable temp.
4613 (addsidi3_2): Likewise.
4614 (clstrstrsi): Delete unused variable addr1.
4616 * rtl.h: Don't declare any functions also declared in recog.h.
4618 * Makefile.in (stupid.o): Update dependencies.
4619 (global.o): Likewise.
4621 * global.c: Include reload.h
4622 (reg_becomes_live): New function.
4623 (reg_dies): New function.
4624 (build_insn_chain): New function.
4625 (global_alloc): Call build_insn_chain before calling reload.
4627 * reload.h (struct needs): New structure definition.
4628 (struct insn_chain): Likewise.
4629 (reload_insn_chain): Declare variable.
4630 (new_insn_chain): Declare function.
4633 * reload1.c (reload_startobj): New variable.
4634 (reload_insn_chain): New variable.
4635 (unused_insn_chains): New variable.
4636 (new_insn_chain): New function.
4637 (init_reload): Initialize reload_startobj, not reload_firstobj.
4638 (reload): Initialize reload_firstobj.
4639 Before returning, free everything on the reload_obstack.
4641 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
4642 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
4643 current_chain): New variables.
4644 (reg_where_born): Delete variable.
4645 (REG_WHERE_BORN): New macro.
4646 (find_clobbered_regs): New function.
4647 (stupid_life_analysis): Don't allocate/free reg_where_born.
4648 Allocate and free reg_where_born_exact, reg_where_born_clobber,
4649 reg_where_dead_chain.
4650 Use REG_WHERE_BORN instead of reg_where_born.
4651 While processing the insns, build the reload_insn_chain with
4652 information about register lifetimes.
4653 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
4654 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
4656 Compute and information about birth and death of pseudo registers in
4657 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
4658 Delete code to set elements of reg_where_born.
4660 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4662 * tree.def (GOTO_EXPR): Modified documentation.
4663 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
4666 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
4668 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
4669 loop_final_value, loop_comparison_code): No longer static.
4670 (unroll_loop): Delete loop_start_value update.
4671 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
4672 loop_final_value, loop_comparison_code): Extern.
4673 (loop_start_value): Delete extern.
4674 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
4675 loop_comparison_value, loop_comparison_code): Delete.
4676 (loop_optimize): Remove initialization for deleted variables.
4677 (strength_reduce): Delete analyze_loop_iterations call. Only call
4678 insert_bct if flag_branch_count_on_reg set.
4679 (analyze_loop_iterations): Delete.
4680 (insert_bct): Remove iteration count calculation. Move checks for
4681 viable BCT optimization to here. Obtain iteration count from
4682 loop_iterations and correct for unrolling. Check for enough
4683 iteration to be beneficial. Comment out runtime iteration count
4685 (insert_bct): Print iteration count in dump file. Remove
4686 loop_var_mode and use word_mode directly.
4688 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
4689 * rs6000.c (rs6000_override_options): Use it.
4690 (optimization_options): Enable use of flag_branch_on_count_reg.
4691 * rs6000.md (define_function_unit): Describe 604e.
4693 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4695 * loop.c (move_movables): Corrected threshold calculation for
4696 moved_once registers.
4698 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4700 * loop.c (combine_givs_p): Fix test for identical givs.
4702 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
4704 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
4705 call abort if the function is already defined.
4707 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
4709 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
4710 truncation is not a no-op.
4712 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
4714 * version.c: Bump for snapshot.
4716 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
4718 * version.c: Bump for snapshot.
4720 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
4722 * expmed.c (expand_divmod): Don't widen for computing remainder
4723 if we seem to have a divmod pattern for needed mode.
4725 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4727 * cpplib.c (macroexpand): Correct off-by-one error in handling
4730 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
4732 * combine.c (expand_field_assignment): Don't do bitwise operations
4733 on MODE_FLOAT; pun to MODE_INT if possible.
4735 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
4736 scott snyder <snyder@d0sgif.fnal.gov>
4738 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
4739 linker. Recognize mangled names in quotes.
4741 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4743 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
4744 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
4745 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
4746 (lshrsi3_extend, lshrsi3_extend2): Ditto.
4748 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4750 * function.c (purge_addressof_1): If trying to take a sub-word
4751 integral piece of a floating point mode, put it on the stack.
4753 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
4755 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
4757 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
4759 * PROJECTS: Remove template friends.
4761 * collect2.c (sort_ids): Remove unused variable.
4763 * tm.texi (MATH_LIBRARY): Document.
4764 (NEED_MATH_LIBRARY): Remove.
4766 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
4767 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
4769 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
4771 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
4772 last_end to 0x7fffffff.
4774 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4776 * function.c (purge_addressof_1): Do not perform endianness
4777 corrections on bitpos, who we call will do it for us.
4779 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
4781 * h8300.c (WORD_REG_USED): Fix typo.
4782 (initial_offset): Use WORD_REG_USED.
4784 * h8300.c (handle_pragma): Fix typo.
4786 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4788 * caller-save.c (insert_save_restore): Break this function up
4789 into new functions insert_restore, insert_save and insert_one_insn.
4790 All callers changed.
4791 (insert_restore): New function, mostly broken out of
4792 insert_save_restore.
4793 (insert_save): Likewise.
4794 (insert_one_insn): Likewise.
4795 (restore_referenced_regs): New argument BLOCK. All callers changed.
4796 (save_call_clobbered_regs): Don't keep track of basic block boundaries
4797 in this function, do it in insert_one_insn instead.
4799 * reload1.c (reload): Break out some more pieces into separate
4801 (dump_needs): New function, broken out of reload.
4802 (set_initial_elim_offsets): Likewise.
4803 (init_elim_table): Likewise.
4804 (update_eliminables): Likewise.
4806 * global.c (global_alloc): Delete code to manage the scratch_list.
4807 * local-alloc.c (qty_scratch_rtx): Delete.
4808 (scratch_block): Delete.
4809 (scratch_list): Delete.
4810 (scratch_list_length): Delete.
4811 (scratch_index): Delete.
4812 (alloc_qty_for_scratch): Delete.
4813 (local-alloc): Update initialization of max_qty.
4814 Delete code to manage the scratch list.
4815 Delete code to allocate/initialize qty_scratch_rtx.
4816 (block_alloc): Don't allocate quantities for scratches.
4817 Delete code to manage the scratch list.
4818 * regs.h (scratch_list): Delete declaration.
4819 (scratch_block): Delete declaration.
4820 (scratch_list_length): Delete declaration.
4821 * reload1.c (reload): Delete code to manage the scratch list.
4822 (spill_hard_reg): Likewise.
4823 (mark_scratch_live): Delete.
4825 * recog.c (alter_subreg): Delete declaration.
4827 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
4829 * Makefile.in (cccp.o): Fix typo in last patch.
4831 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4833 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
4834 * config/sh/lib1funcs.asm (___set_fpscr): Add.
4836 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
4838 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
4839 NULL_RTX as an argument.
4841 * Makefile.in (unlibsubdir): Define.
4842 (DRIVER_DEFINES): Use unlibsubdir.
4843 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
4844 (stmp-fixinc): Similarly.
4846 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4848 * regmove.c (regmove_optimize): Add variable old_max_uid.
4849 At the end of the function, update basic_block_end.
4851 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4853 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
4854 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
4857 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
4859 * config/arm/arm.c: Improve interworking support.
4861 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4863 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
4864 copied from reload_out[r] .
4866 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
4868 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
4869 with more than three size ranges.
4871 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
4873 * rtl.c (mode_name): Add a null string at the end of the array.
4874 (mode_wider_mode): Change type to unsigned char.
4875 (mode_mask_array): New variable.
4876 (init_rtl): Update for mode_wider_mode type change.
4878 * rtl.h (mode_wider_mode): Change type to unsigned char.
4879 (mode_mask_array): Declare.
4880 (GET_MODE_MASK): Use mode_mask_array.
4882 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
4884 * calls.c (expand_call) : Encapsulate code into
4885 copy_blkmode_from_reg.
4886 * expr.c (copy_blkmode_from_reg): New function.
4887 * expr.h (copy_blkmode_from_reg): New function.
4888 * integrate.c (function_cannot_inline_p): We can inline
4890 (expand_inline_function): Use copy_blkmode_from_reg
4891 if needed. Avoid creating BLKmode REGs.
4892 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
4895 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
4897 * config/v850/v850.c: Add function prototypes.
4898 Add support for v850 special data areas.
4900 * config/v850/v850.h: Add support for v850 special data areas.
4902 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
4903 HANDLE_PRAGMA_PACK_PUSH_POP.
4904 (push_alignment): New function: Cache an alignment requested
4905 by a #pragma pack(push,<n>).
4906 (pop_alignment): New function: Pop an alignment from the
4908 (insert_pack_attributes): New function: Generate __packed__
4909 and __aligned__ attributes for new decls whilst a #pragma pack
4911 (add_weak): New function: Cache a #pragma weak directive.
4912 (handle_pragma_token): Document calling conventions. Add
4913 support for #pragma pack(push,<n>) and #pragma pack (pop).
4915 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
4916 are defined enable HANDLE_PRAGMA_PACK.
4917 Move 'struct weak_syms' here (from varasm.c).
4918 Add pragma states for push and pop pragmas.
4920 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
4923 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
4924 HANDLE_GENERIC_PRAGMAS.
4926 * varasm.c: Move definition of 'struct weak_syms' into
4928 (handle_pragma_weak): Deleted.
4930 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
4932 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
4934 * c-decl.c (start_function): Add invocation of
4935 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
4937 * tm.texi: Remove description of non-existant macro
4938 SET_DEFAULT_SECTION_NAME.
4940 (HANDLE_SYSV_PRAGMA): Document.
4941 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
4943 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
4945 * config.sub: Recognize i[34567]86-pc-udk as new target.
4946 * configure.in: Likewise.
4947 * config/i386/t-udk: New file.
4948 * config/i386/udk.h: New file.
4950 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
4952 * reorg.c (check_annul_list_true_false): Remove unused variables.
4953 (steal_delay_list_from_target): Add missing "used_annul" variable.
4954 (try_merge_delay_insns): Close out half formed comment.
4956 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4958 * cpplib.c (macroexpand): If arg->raw_before or
4959 arg->raw_after, remove any no-reexpansion escape at the
4960 beginning of the pasted token. Correct handling of whitespace
4961 markers and no-reexpand markers at the end if arg->raw_after.
4963 * toplev.c (documented_lang_options): Recognize -include,
4964 -imacros, -iwithprefix, -iwithprefixbefore.
4965 * cpplib.c (cpp_start_read): Process -imacros and -include
4966 switches at the same time and in command-line order, after
4967 initializing the dependency-output code. Emit properly nested
4968 #line directives for them. Emit a #line for the main file
4969 before processing these switches, and don't do it again
4972 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
4974 * function.c (purge_addressof_1): Use bitfield manipulation
4975 routines to handle mem mode < reg mode.
4977 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4979 * reorg.c (try_merge_delay_insns): Account for resources referenced
4980 in each instruction in INSN's delay list before trying to eliminate
4981 useless instructions. Similarly when looking at a trial insn's delay
4984 * reorg.c (check_annul_list_true_false): New function.
4985 (steal_delay_list_from_{target,fallthrough}): Call it and also
4986 refine tests for when we may annul if already filled a slot.
4987 (fill_slots_from_thread): Likewise.
4988 (delete_from_delay_slot): Return newly-created thread.
4989 (try_merge_delay_isns): Use its new return value.
4991 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
4993 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
4994 used to compute a giv or as some other non-counting use.
4996 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4998 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
4999 * local-alloc.c (find_free_reg): Use it.
5000 * global.c (find_reg): Likewise.
5001 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
5003 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
5004 * caller-save.c (init_caller_save): Use it.
5005 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
5007 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5009 * configure.in: Add --enable-cpplib option which uses cpplib
5010 for cpp, but doesn't link cpplib into cc1. Make help text
5011 capitalization consistent.
5012 * configure: Rebuilt.
5014 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
5016 * function.c (gen_mem_addressof): If the address REG is
5017 REG_USERVAR_P make the new REG be so also.
5018 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
5019 in an attempt to clarify slightly.
5021 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
5023 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
5024 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
5026 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
5028 * toplev.c: Fix last patch.
5030 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
5032 * loop.c (get_condition): Fix typo in May 9 change.
5034 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5036 * invoke.texi (-fexceptions): Merge 2 different descriptions.
5038 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5040 * toplev.c (documented_lang_options): Spelling corrections.
5042 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5044 * configure.in: new flags --with-ld and --with-as, equivalent
5045 to setting LD and AS environment variables. Test whether
5046 specified arguments are GNU commands, and report them with
5047 checking messages. Use the specified AS for configure
5050 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
5052 * gcc.c (find_a_file): when looking for `as' and `ld', return
5053 the DEFAULT program if it exists
5054 * collect2.c (main): use DEFAULT_LINKER if it exists
5056 * gcc.c (find_a_file): the test for existence of a full
5057 pathname was reversed
5059 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
5061 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
5062 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
5064 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
5066 * tree.h (TYPE_BINFO): Document.
5068 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
5070 * i386-coff.h (dbxcoff.h): Added.
5072 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
5074 * toplev.c: fix bad patch around flag_data_sections.
5076 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
5078 * reload1.c (reload): Use reload_address_index_reg_class and
5079 reload_address_base_reg_class when setting
5080 caller_save_spill_class. (Patch generated by Jim Wilson:
5083 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
5085 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
5086 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
5087 * expr.c (store_field): Add alias_set parameter. Set the
5088 MEM_ALIAS_SET accordingly, if the target is a MEM.
5089 (expand_assignment): Use it.
5090 (store_constructor_field): Pass 0.
5091 (expand_expr): Likewise.
5093 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
5095 * flags.h: Add flag_data_sections.
5096 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
5097 (compile_file): Error if flag_data_sections not supported.
5098 * varasm.c (assemble_variable): Handle flag_data_sections.
5099 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
5100 * config/mips/elf.h: Likewise.
5101 * config/mips/elf64.h: Likewise.
5102 * invoke.texi: Describe -fdata-sections.
5104 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
5106 * invoke.texi (-ffloat-store): Clarify that this option
5107 does not affect intermediate results -- only variables.
5109 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
5111 * cpp.texi: Update for Fortran usage from Craig.
5113 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5115 * rs6000.c (function_arg_boundary): Revert accidental change on
5118 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
5120 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
5121 (output_mi_thunk): Declare.
5123 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
5124 (output_function_profiler): Use r12 for temp, instead of r11 so
5125 that we preserve the static chain register.
5127 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
5129 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
5131 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5133 * sh.c (gen_shl_sext): Fix case 5.
5135 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5137 * reload1.c (reload_combine): Re-add line that got accidentally lost.
5139 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5141 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
5142 accessing variables until they are initialized via va_arg().
5144 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5146 * reload1.c (reload_combine): Initialize set before using.
5148 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
5150 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
5153 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
5155 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
5156 operand3 with mask before using it. Patch provided by Jim Wilson.
5158 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5160 * config/sparc/sparc.c (function_value): Perform the equivalent of
5161 PROMOTE_MODE for ARCH64.
5162 (eligible_for_epilogue_delay): Allow DImode operations in delay
5163 slot of a return for ARCH64.
5165 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5167 * sh.md (sqrtsf2): Fix mode of sqrt.
5169 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5171 * reload1.c (choose_reload_regs): Also try inheritance when
5172 reload_in is a stack slot of a pseudo, even if we already got a
5175 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5177 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
5178 (reload_cse_regs): New function body: call reload_cse_regs_1,
5179 reload_combine, reload_cse_move2add.
5180 When doing expensive_optimizations, call reload_cse_regs_1 a
5181 second time after reload_cse_move2add.
5182 (reload_combine, reload_combine_note_store): New functions.
5183 (reload_combine_note_use): New function.
5184 (reload_cse_move2add, move2add_note_store): New functions.
5186 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5188 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
5189 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
5191 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
5192 more than 3 such reloads.
5194 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
5195 RELOAD_FOR_X_ADDR_ADDR reload.
5197 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5199 * expr.c (store_constructor): When initializing a field that is smaller
5200 than a word, at the start of a word, try to widen it to a full word.
5202 * cse.c (cse_insn): When we are about to change a register,
5203 remove any invalid references to it.
5205 (remove_invalid_subreg_refs): New function.
5206 (mention_regs): Special treatment for SUBREGs.
5207 (insert_regs): Don't strip SUBREG for call to mention_regs.
5208 Check if reg_tick needs to be bumped up before that call.
5209 (lookup_as_function): Try to match known word_mode constants when
5210 looking for a norrower constant.
5211 (canon_hash): Special treatment for SUBREGs.
5213 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5215 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
5216 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
5217 defined, emit libcall to __enable_execute_stack. Also fix opcodes
5218 and offsets in actual stack trampoline code so they match the
5219 commentary and actually work.
5221 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5223 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
5225 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
5226 tmake_file. Set extra_parts to needed crt objects.
5227 * configure: Rebuilt.
5228 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
5229 (TARGET_DEFAULT): Set if default is v9 or ultra.
5230 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
5231 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
5232 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
5233 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
5234 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
5235 (TARGET_VERSION): Define.
5236 (MULTILIB_DEFAULT): Define.
5237 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
5238 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
5239 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
5241 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
5242 * config/sparc/sparc.c (sparc_override_options): If arch and
5243 pointer size disagree, emit diagnostic and fix it up. If
5244 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
5245 V8PLUS in 64-bit mode.
5246 * config/sparc/t-linux64: New file.
5247 * config/sparc/t-sol2-64: New file.
5248 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
5249 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
5250 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
5251 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
5252 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
5253 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
5255 (STARTFILE_SPEC): Set approriately based upon those.
5256 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
5257 disposition of DEFAULT_ARCH32_P.
5258 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
5259 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
5260 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
5261 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
5262 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
5264 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
5266 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
5268 * rtl.h (init_virtual_regs): New function.
5269 * emit-rtl.c (init_virtual_regs): Define.
5270 (insn_emit): Use it.
5271 * integrate.c (save_for_inline_copying): Likewise.
5273 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
5275 * config/arm/thumb.h: The following patches were made by Jim Wilson:
5276 (enum reg_class): Add NONARG_LO_REGS support.
5277 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5278 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
5279 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
5280 completes. Re-enable HImode REG+OFFSET addresses.
5281 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5283 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5285 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5287 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5288 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5289 (alpha_align_insns): Properly calculate initial offset wrt max_align.
5291 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
5293 * arm.c (find_barrier): Revert change of Apr 23. Handle table
5294 jumps as a single entity, taking into account the size of the
5297 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5299 * tree.def (SWITCH_EXPR): New tree node definition.
5301 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
5303 * version.c: Bump for snapshot.
5305 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
5307 * version.c: Bump for snapshot.
5309 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
5311 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
5314 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
5316 * Revert this patch.
5317 * reload.c (find_reloads): Do not replace a pseudo with
5318 (MEM (reg_equiv_addr)) in the initializing insn for the
5321 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
5323 * final.c (final_scan_insn): Disable tracking CC across branches.
5325 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5327 * expr.h (eh_rtime_match_libfunc): New extern declaration.
5328 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
5329 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
5330 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
5331 NULL. Only include <stdio.h> if inhibit_libc is not defined.
5333 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
5335 * toplev.c (rest_of_compilation): Skip compiling anything with
5336 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
5338 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
5340 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
5341 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
5342 use in_libcall_block.
5343 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
5344 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
5347 Mon Sep 21 14:02:23 1998
5349 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
5350 typo in no-fancy-math-387 description.
5352 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
5354 * version.c: Bump for snapshot.
5356 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
5358 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
5360 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
5362 * i386.h: (TARGET_SWITCHES) Add description fields for flags
5363 documented in install.texi.
5364 (TARGET_OPTIONS) Likewise.
5366 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
5368 * version.c: Bump for snapshot.
5370 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
5372 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
5373 * cccp.c (main): Likewise.
5375 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
5376 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
5379 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
5381 * Makefile.in (LIBS): Link in libiberty.a.
5382 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
5384 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
5386 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
5387 it to update bb boundaries. Update caller.
5388 * function.c (reposition_prologue_and_epilogue_notes): Update
5389 bb boundaries wrt the moved note.
5391 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
5393 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
5395 * configure: Regenerate.
5397 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
5399 * alpha.c (alpha_sr_alias_set): New variable.
5400 (override_options): Set it.
5401 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
5402 (mode_mask_operand): Fix signed-unsigned comparision warning.
5403 (alpha_expand_block_move): Likewise.
5404 (print_operand): Likewise.
5405 (get_aligned_mem): Use change_address.
5406 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
5407 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
5408 (alphaev4_next_nop, alphaev5_next_nop): New functions.
5409 (alpha_align_insns): Remade from old alphaev5_align_insns
5410 to handle multiple processors.
5411 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
5412 * output.h (label_to_alignment): Prototype.
5414 * tree.c (new_alias_set): New function.
5415 * tree.h (new_alias_set): Declare it.
5416 * c-common.c (c_get_alias_set): Use it.
5418 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
5420 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
5421 to an ABS expr, convert an unsigned input to signed.
5423 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
5425 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
5427 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5429 * configure.in: Add support for c4x targets.
5430 * configure: Rebuilt.
5432 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
5434 * combine.c (distribute_notes): If an insn is a cc0 user, only
5435 delete it if we can also delete the cc0 setter.
5437 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
5439 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
5440 (invert_truthvalue): Enable truthvalue inversion for
5441 floating-point operands if -ffast-math.
5443 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
5445 * configure.in: Disable collect2 for nextstep. Instead use
5447 * configure: Rebuilt.
5448 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
5449 (ENDFILE_SPEC): Define.
5450 (OBJECT_FORMAT_MACHO): Define.
5451 (EH_FRAME_SECTION_ASM_OP): Define.
5452 * crtstuff.c: Handle MACHO.
5454 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
5456 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
5458 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
5460 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
5461 (_fpadd_parts): Get sign right for 0.
5463 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5465 * ginclude/varargs.h: Add support for C4x target.
5466 * ginclude/stdargs.h: Likewise.
5468 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
5470 * alpha.c (alpha_return_addr): SET should be VOIDmode.
5471 (alpha_emit_set_long_const): Rewrite to be callable from reload
5473 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
5474 * alpha.md (movdi): Likewise.
5476 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
5478 * arm.c (add_constant): New parameter address_only, change caller.
5479 Set it non-zero if taking the address of an item in the pool.
5480 (arm_reorg): Handle cases where we need the address of an item in
5483 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
5485 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
5486 memory addresses that are not in standard canonical form.
5488 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
5490 * README.C4X: New file with information about the c4x ports.
5491 * ginclude/va-c4x.h: New file for c4x varargs support.
5492 * config/c4x: New directory with c4x port files.
5494 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
5496 * reload.c (find_reloads): Do not replace a pseudo with
5497 (MEM (reg_equiv_addr)) in the initializing insn for the
5500 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
5502 * toplev.c (rest_of_compilation): Set bct_p on second call to
5504 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
5506 (strength_reduce): Only call analyze_loop_iterations and
5507 insert_bct if bct_p set.
5508 (check_dbra_loop): Fix typo.
5509 (insert_bct): Use word_mode instead of SImode.
5510 (instrument_loop_bct): Likewise. Do not delete iteration count
5511 condition code generation insn. Initialize iteration count before
5513 * rtl.h (loop_optimize): Update prototype.
5515 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
5516 not doubleword aligned.
5518 * rs6000.c (optimization_options): New function.
5519 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
5520 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
5521 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
5522 first; cr1 can be used for FP record condition insns.
5524 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
5526 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
5529 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
5532 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
5534 (block_move_call): New function: Call a library routine to copy a
5536 (m32r_expand_block_move): New function: Expand a "movstrsi"
5537 pattern into a sequence of insns.
5538 (m32r_output_block_move): New function: Expand a
5539 "movstrsi_internal" pattern into a sequence of assembler opcodes.
5540 (m32r_block_immediate_operand): New function: Return true if the
5541 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
5543 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5545 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
5547 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
5549 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5551 * regmove.c (copy_src_to_dest): Check that modes match.
5553 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
5555 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
5557 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
5559 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
5560 narrower than FLOAT_REGS.
5562 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5564 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
5566 * Makefile.in (old_gxx_include_dir): removed
5568 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
5570 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
5573 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
5574 (sh_handle_pragma): Change function arguments to match new
5575 specification for HANDLE_PRAGMA.
5577 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5579 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
5581 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
5582 When generating output, initialize missing struct member to zero.
5584 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5586 * regmove.c (copy_src_to_dest): Don't copy if that requires
5587 (a) new register(s).
5589 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5591 * global.c (reg_allocno): Now static.
5592 * reload1.c (reg_allocno): Delete declaration.
5593 (order_regs_for_reload): Take no arguments. Don't treat regs
5594 allocated by global differently than those allocated by local-alloc.
5596 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
5598 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
5599 condition, fix format strings.
5600 (output_function_epilogue): Likewise.
5602 * m68k/m68k.c: Don't include <stdlib.h> directly.
5604 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
5606 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
5607 mem_first_set, mem_last_set; because 0 can be a CUID.
5608 (oprs_unchanged_p): Use new definition.
5609 (record_last_reg_set_info): Likewise.
5610 (record_last_mem_set_info): Likewise.
5611 (compute_hash_table): Likewise.
5613 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
5615 * rs6000.c (output_epilogue): Handle Chill.
5617 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5618 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5620 * combine.c (make_extraction): If no mode is specified for
5621 an operand of insv, extv, or extzv, default it to word_mode.
5622 (simplify_comparison): Similarly.
5623 * expmed.c (store_bit_field): Similarly.
5624 (extract_bit_field): Similarly.
5625 * function.c (fixup_var_regs_1): Similarly.
5626 * recog.c (validate_replace_rtx_1): Similarly.
5627 * mips.md (extv, extzv, insv expanders): Default modes for most
5628 operands. Handle TARGET_64BIT.
5629 (movdi_uld, movdi_usd): New patterns.
5631 * pa.c (emit_move_sequence): Do not replace a pseudo with its
5632 equivalent memory location unless we have been provided a scratch
5633 register. Similarly do not call find_replacement unless a
5634 scratch register has been provided.
5636 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5638 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
5641 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
5643 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
5644 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
5645 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
5646 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
5647 * c-decl.c (init_decl_processing): Update accordingly.
5648 * expr.c (expand_builtin): Likewise.
5650 * rtl.h (global_rtl): Add cfa entry.
5651 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
5652 (LAST_VIRTUAL_REGISTER): Update.
5653 * emit-rtl.c (global_rtl): Add cfa entry.
5654 (init_emit): Initialize it.
5655 * function.c (cfa_offset): New.
5656 (instantiate_virtual_regs): Initialize it.
5657 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
5658 (expand_function_end): Call expand_eh_return.
5659 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
5661 * except.c (current_function_eh_stub_label): Kill.
5662 (current_function_eh_old_stub_label): Likwise; update all references.
5663 (expand_builtin_set_return_addr_reg): Kill.
5664 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
5665 (expand_builtin_set_eh_regs): Kill.
5666 (eh_regs): Produce a third reg for the actual handler address.
5667 (eh_return_context, eh_return_stack_adjust): New.
5668 (eh_return_handler, eh_return_stub_label): New.
5669 (init_eh_for_function): Initialize them.
5670 (expand_builtin_eh_return, expand_eh_return): New.
5671 * except.h: Update prototypes.
5672 * flow.c (find_basic_blocks_1): Update references to the stub label.
5673 * function.h (struct function): Kill stub label elements.
5675 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
5676 register number is one that would be in the previous window.
5677 Provide a dummy definition for non-windowed targets.
5678 (get_reg_addr): New function.
5679 (get_reg, put_reg, copy_reg): Use it.
5680 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
5681 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
5683 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
5684 (alpha_init_expanders): Initialize it.
5685 (alpha_expand_epilogue): Use it.
5686 * alpha.h: Declare it.
5687 * alpha.md (eh_epilogue): New.
5689 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
5690 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
5692 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
5694 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
5697 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5699 * except.h (struct eh_entry): Add false_label field.
5700 (end_catch_handler): Add prototype.
5701 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
5702 (start_catch_handler): When using old style exceptions, issue
5703 runtime typematch code before continuing with the handler.
5704 (end_catch_handler): New function, generates label after handler
5705 if needed by older style exceptions.
5706 (expand_start_all_catch): No need to check for new style exceptions.
5707 (output_exception_table_entry): Only output the first handler label
5708 for old style exceptions.
5709 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
5710 mechanism into one function, if a runtime matcher is provided.
5712 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5714 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
5716 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
5718 * integrate.c (copy_decl_list): Fix typo.
5720 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5722 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
5725 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
5727 * version.c: Bump for snapshot.
5729 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
5731 * version.c: Bump for snapshot.
5733 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
5735 * version.c: Bump for snapshot.
5737 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5739 * invoke.texi (C Dialect Options): Put back missing @end itemize.
5741 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5743 * configure.in: remove usage of `!' to negate the result of a
5744 command; some common shells do not support it
5746 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5748 * configure.in: in sparc9-sol2 config, use 'if test' not
5750 * configure: Rebuilt.
5752 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
5754 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
5755 (CPP_CPU_DEFAULT_SPEC): Likewise.
5756 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
5757 for arch64 libfuncs.
5759 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
5762 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5764 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
5766 * collect2.c: Don't declare `sys_siglist' here.
5767 (my_strsignal): Prototype and define new function. Use it in
5768 place of `sys_siglist' hacks.
5770 * mips_tfile.c: Likewise.
5772 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
5773 (GCC_NEED_DECLARATIONS): Likewise.
5775 * system.h (strsignal): Prototype it, if necessary.
5776 (sys_siglist): Declare it, if necessary.
5778 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5780 * loop.c (move_movables): While removing insn sequences, preserve
5781 the next pointer of the most recently deleted insn when we skip
5784 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
5786 * objc/config-lang.in: Do not output the name of the selected
5787 thread file when building the front-end. The Makefile for the
5788 runtime library will do this.
5790 * objc/Make-lang.in: Do not build the runtime library or install
5791 the Objective C header files. The Makefile for the runtime
5792 library will do this.
5794 * objc/Makefile.in (all.indirect): Only build the front-end.
5795 (compiler): Rename to `frontend'.
5796 (obj-runtime): Remove target.
5797 (copy-headers): Likewise.
5798 (clean): No need to remove `libobjc.a' any longer.
5800 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
5802 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
5803 supported with -mcpu=xxx.
5805 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5807 * flow.c (mark_set_1): Recognize multi-register structure return
5808 values in CALL insns.
5809 (mark_used_regs): Likewise.
5810 (count_reg_sets_1): Likewise.
5811 (count_reg_references): Likewise.
5812 * rtlanal.c (note_stores): Likewise.
5813 (reg_overlap_mentioned_p): Likewise.
5814 * haifa-sched.c (check_live_1): Likewise.
5815 (update_live_1): Likewise.
5816 (sched_analyze_1): Likewise.
5817 (sched_note_set): Likewise.
5818 (birthing_insn_p): Likewise.
5819 (attach_deaths): Likewise.
5821 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
5824 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
5826 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
5828 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5830 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
5832 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5834 * configure.in: Add check for GAS subsection -1 support.
5835 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
5836 * configure config.in: Rebuilt.
5837 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
5838 SImode is subsection -1 works, else use DImode.
5839 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
5840 subsection -1 works.
5841 * config/sparc/sparc.c (sparc_output_addr_vec,
5842 sparc_output_addr_diff_vec): Use them if defined.
5844 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
5846 * tree.h (DECL_ORIGIN): New macro.
5847 * integrate.c (copy_and_set_decl_abstract_origin): New function.
5848 (copy_decl_list): Use it.
5849 (integrate_parm_decls): Likewise.
5850 (integrate_decl_tree): Likewise.
5851 * dwarf2out.c (decl_ultimate_origin): Simplify.
5852 * dwarfout.c (decl_ultimate_origin): Likewise.
5853 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
5854 (pushdecl): Likewise.
5856 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
5858 * config/rs6000/rs6000.c (output_epilog): Add Java support.
5860 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
5862 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
5864 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
5866 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
5867 empty or has a single entry.
5869 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
5870 before calling reg_to_stack.
5872 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
5874 * alpha.c (alphaev5_insn_pipe): Abort on default case.
5875 (alphaev5_next_group): Swallow CLOBBERs and USEs.
5877 * c-tree.h (warn_long_long): Declare it.
5879 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
5881 * emit-rtl.c (gen_lowpart_common): Disable optimization of
5882 initialized float-int union if the value is a NaN.
5884 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
5886 * c-lex.c (real_yylex): Don't warn about long long constants if
5887 we're allowing long long
5889 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5891 * except.h (current_function_eh_stub_label): Declare.
5892 (current_function_eh_old_stub_label): Declare.
5893 * function.h (struct function): New members eh_stub_label and
5895 * except.c (current_function_eh_stub_label): New variable.
5896 (current_function_eh_old_stub_label): New variable.
5897 (init_eh_for_function): Clear them.
5898 (save_eh_status): Save them.
5899 (restore_eh_status): Restore them.
5900 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
5901 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
5902 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
5903 make an edge from the block that contains it to the block starting
5904 with the label if this label is one of the eh stub labels.
5905 If eh stub labels exist, show they are reachable from the last block
5908 * reload1.c (reload): Break out several subroutines and make some
5910 (calculate_needs_all_insns): New function, broken out of reload.
5911 (calculate_needs): Likewise.
5912 (find_reload_regs): Likewise.
5913 (find_group): Likewise.
5914 (find_tworeg_group): Likewise.
5915 (something_needs_reloads): New global variable, formerly in reload.
5916 (something_needs_elimination): Likewise.
5917 (caller_save_spill_class): Likewise.
5918 (caller_save_group_size): Likewise.
5919 (max_needs): Likewise.
5920 (group_size): Likewise.
5921 (max_groups): Likewise.
5922 (max_nongroups): Likewise.
5923 (group_mode): Likewise.
5924 (max_needs_insn): Likewise.
5925 (max_groups_insn): Likewise.
5926 (max_nongroups_insn): Likewise.
5927 (failure): Likewise.
5929 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
5931 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
5933 * loop.c (load_mems): Copy rtx for output mem.
5935 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
5937 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
5938 mips1 or mips2 either.
5940 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
5942 * pa.c (pa_reorg): New marking scheme for jumps inside switch
5944 (pa_adjust_insn_length): Update to work with new marking scheme
5945 for jumps inside switch tables.
5946 * pa.md (switch_jump): Remove pattern.
5947 (jump): Handle jumps inside jump tables.
5949 * Makefile.in (profile.o): Depend on insn-config.h
5951 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
5953 * iris6.h (DWARF2_UNWIND_INFO): Undef.
5955 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5957 Add preliminary native sparcv9 Solaris support.
5958 * configure.in: Recognize sparv9-*-solaris2*
5959 * configure: rebuilt
5960 * config.sub: Recognize sparcv9 just like sparc64.
5961 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
5962 config/sparc/sol2-cn.asm: Macroize so it can be shared between
5963 32-bit and 64-bit Solaris systems.
5964 * config/sparc/t-sol2: Assemble those with cpp.
5965 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
5966 (*TF*_LIBCALL): If ARCH64 use V9 names.
5967 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
5969 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5971 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
5972 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
5974 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
5976 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
5977 to Pmode if CASE_VECTOR_MODE is something else.
5979 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
5981 * prefix.c (update_path): Correctly handle cases where PATH is
5982 a substring of the builtin prefix, but specifies a different
5985 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
5987 * expr.c: Corrected comment about what MOVE_RATIO does.
5988 * config/alpha/alpha.h: Ditto.
5989 * config/1750a/1750a.h: Ditto.
5990 * config/clipper/clipper.h: Ditto.
5991 * config/i386/i386.h: Ditto.
5993 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
5995 * configure.in (m68k-next-nextstep3*): Use collect2.
5996 Similarly for x86 NeXT configurations.
5997 * configure: Rebuilt.
5999 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
6001 * configure.in: Don't assume srcdir is .../gcc
6002 * configure: Rebuilt.
6004 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
6006 * global.c: Update comments.
6007 (global_alloc): Assign allocation-numbers
6008 even for registers allocated by local_alloc in case
6009 they are later spilled and retry_global_alloc is called.
6010 (mark_reg_store, mark_reg_clobber,
6011 mark_reg_conflicts, mark_reg_death): Always record a
6012 conflict with a pseudo register even if it has been
6013 assigned to a hard register.
6014 (dump_conflicts): Don't list pseudo registers already assigned to
6015 a hard register as needing to be allocated, but do list their
6017 * local-alloc.c: Update comment.
6019 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
6021 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
6022 * configure: Rebuilt.
6024 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
6026 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
6028 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
6029 for all targets that set -msoft-float.
6031 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6033 * toplev.c (print_switch_values): Make static to match prototype.
6035 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
6037 * configure.in: If we are unable to find the "gnatbind" program,
6038 then do not configure the ada subdir.
6039 * configure: Rebuilt.
6041 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
6043 * version.c: Bump for snapshot.
6045 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
6047 * version.c: Bump for snapshot.
6049 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6051 * Makefile.in (toplev.o): Depend on $(EXPR_H).
6052 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
6054 * gansidecl.h: Define ATTRIBUTE_NORETURN.
6056 * genattrtab.c: Have insn-attrtab.c include toplev.h.
6058 * genextract.c: Have insn-extract.c include toplev.h.
6060 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
6062 * toplev.c: Include expr.h.
6063 (really_sorry, fancy_abort): Remove prototypes.
6064 (set_target_switch): Add argument in prototype.
6065 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
6066 (v_really_sorry): Likewise.
6067 (print_version, print_single_switch, print_switch_values): Make
6068 static and add prototype arguments.
6069 (decl_printable_name): Add prototype arguments.
6070 (lang_expand_expr_t): New typedef.
6071 (lang_expand_expr): Declare as a lang_expand_expr_t.
6072 (incomplete_decl_finalize_hook): Add prototype argument.
6073 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
6074 (botch): Likewise for variable `s'.
6075 (rest_of_type_compilation): Mark variables `type' and `toplev'
6076 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
6077 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
6078 (display_help): Make variable `i' an `unsigned long'.
6079 (main): Remove unused parameter `envp'.
6080 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
6081 Cast -1 when comparing it with a `size_t'.
6083 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
6084 prototype with ATTRIBUTE_NORETURN.
6085 (fatal_insn_not_found, fatal_insn, really_sorry,
6086 push_float_handler, pop_float_handler): Add prototypes.
6087 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
6088 (do_abort, botch): Add prototypes.
6090 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
6092 * final.c (final): If a label is reached only from a single jump,
6093 call NOTICE_UPDATE_CC on the jump and its predecessor before
6094 emitting the insn after the label.
6096 * i386.h: Add AMD K6 support.
6097 Change TARGET_* macros to use table lookup.
6098 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
6099 (ADJUST_COST): Change definition to call function in i386.c.
6100 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
6101 * i386.c: Add AMD K6 support.
6102 Add constants for feature tests used by TARGET_* macros.
6103 (split_di): If before reload, call gen_lowpart and gen_highpart.
6104 (x86_adjust_cost): New function.
6105 (put_jump_code): New function.
6106 (print_operand): New codes 'D' and 'd'.
6107 * i386.md: New insn types. New insn attribute "memory".
6108 Redefine scheduling parameters to use new types and add AMD K6
6109 support. Explicitly set type of most insns.
6110 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
6111 Pro and K6 prefer movl $1,reg to incl reg.
6112 (adddi3, subdi3): Set cc_status.
6113 (DImode shift patterns): Change label counters from HOST_WIDE_INT
6114 to int; x86 can't have more than 2^31 DImode shifts per file.
6115 (setcc): Combine all setcc patterns. Allow writing memory.
6116 Combine all jump patterns using match_operator.
6117 (*bzero): Name pattern. Emit mutliple stos instructions when that
6118 is faster than rep stos.
6119 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
6122 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
6124 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
6127 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
6129 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
6130 not whatever we're generating now.
6132 * alpha.c (set_frame_related_p, FRP): New.
6133 (alpha_expand_prologue): Mark frame related insns.
6134 (alpha_expand_epilogue): Likewise, but with a null FRP.
6135 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
6136 * alpha.md (exception_receiver): New.
6137 * alpha/crtbegin.asm (.eh_frame): New beginning.
6138 (__do_frame_setup, __do_frame_takedown): New.
6139 * alpha/crtend.asm (.eh_frame): New ending.
6140 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
6141 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
6142 (ASM_FILE_START): Don't emit .file for dwarf2.
6144 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
6145 * rtl.c (reg_note_name): Likewise.
6146 * rtl.texi (REG_NOTES): Likewise.
6147 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
6150 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
6152 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
6153 * i386.md (movsf, movdf, movxf): Validate memory address returned
6154 from force_const_mem. Kill useless REG_EQUAL setting code.
6156 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
6158 * m68k.md (zero_extendsidi2): Fix typo.
6160 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
6162 * configure.in: Removed references to the removed file
6163 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
6164 * arm*-*-netbsd* and ns32k-*-netbsd*.
6165 * config/i386/xm-netbsd.h: Removed unnecessary file.
6166 * config/m68k/xm-netbsd.h: Likewise.
6167 * config/sparc/xm-netbsd.h: Likewise.
6168 * config/mips/xm-netbsd.h: Likewise.
6170 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
6172 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
6173 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
6175 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
6176 for exact section attributions.
6178 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
6180 * i386/crtdll.h (CPP_PREDEFINES): Define.
6182 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
6184 * m68k.md (5200 movqi): Do not allow byte sized memory references
6186 * m68k.c (output_move_qimode): Do not use byte sized operations on
6189 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
6190 explicit rules for building. Similarly for alloca, vfprintf,
6191 choose-temp and mkstemp, getopt, getopt1, and obstack.
6192 (INCLUDES): Add $(srcdir)/../include.
6193 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
6194 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
6196 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
6198 * gcc.c (do_spec_1): [case 'o'] Account for
6199 lang_specific_extra_outfiles.
6200 (main): Correctly clear all slots in outfiles for
6201 lang_specific_extra_outfiles. Set input_file_number before
6202 calling lang_specific_pre_link.
6204 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
6206 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
6208 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6210 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
6212 (sparc_output_deferred_case_vectors): If no work to do, return.
6213 Fix thinko in Sept 1 change.
6215 1998-09-03 SL Baur <steve@altair.xemacs.org>
6217 * Makefile.in: add semicolon in BISON definition for portability.
6219 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6221 * config/nextstep.c (handle_pragma): Correct name of third
6224 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
6226 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
6227 * config/m32r/m32r.h: Make register 17 be fixed.
6228 * config/m32r/m32r.c: Use SImode for cc operations.
6230 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
6232 * invoke.texi (Warning Options): Add -Wnon-template-friend
6235 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
6237 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
6239 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
6241 * rs6000.md (movsf): Disable explicit secondary-reload-like
6242 functionality if TARGET_POWERPC64.
6243 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
6246 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
6248 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
6249 and term.h from fixinc.wrap.
6251 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6253 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
6254 safe to include both string.h and strings.h together.
6255 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
6256 which headers to search for function declarations. Continue to
6257 prefer string.h over strings.h when both are not acceptable.
6259 * acconfig.h (STRING_WITH_STRINGS): Add stub.
6261 * configure.in: Call GCC_HEADER_STRING.
6263 * system.h: Test STRING_WITH_STRINGS when deciding which headers
6264 to include. Continue to prefer string.h over strings.h when both
6267 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6269 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
6270 not assume top 32-bits of symbolic addresses are zero if
6273 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
6275 * ginclude/va-alpha.h: Protect entire second portion of the
6276 file against double inclusion.
6278 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
6280 Added support for the Boehm's garbage collector.
6281 * configure.in: Handle --enable-objc-gc.
6282 * configure: Rebuilt.
6283 * Makefile.in (CHECK_TARGETS): Add check-objc.
6284 (check-objc): New rule.
6285 * objc/Make-lang.in: Build a different Objective-C library that
6286 runs with the Boehm's collector.
6287 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6288 * objc/encoding.c: Correctly compute the size of compound types in
6289 the presence of bitfields. Skip the variable name of the type if
6290 any. Added support for long long.
6291 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
6292 (_F_GCINVISIBLE): New mask.
6293 * objc/gc.c: New file. Compute the type memory mask associated with
6294 a class based on the runtime information.
6295 * objc/misc.c: Added the hooks that use the Boehm's collector
6296 allocation functions.
6297 * objc/objc-act.c (build_class_template): Generate a new class
6298 member (gc_object_type) to hold the class' type memory mask.
6299 (build_shared_structure_initializer): Initialize the new member to
6301 (encode_complete_bitfield): New function. Generate the new
6303 (encode_field_decl): Generate the new encoding only for the GNU
6305 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
6307 (class_get_gc_object_type): New function to mark a pointer instance
6308 variable as a weak pointer.
6309 * objc/objc-features.texi: New file.
6310 * objc/objc.h (gc_object_type): New class member.
6311 * objc/objects.c (class_create_instance): Create a typed memory
6312 object when compiled with Boehm's collector support.
6313 * objc/sendmsg.c (__objc_init_install_dtable): Call
6314 __objc_send_initialize instead of setting the initialize flag.
6315 (__objc_send_initialize): Call __objc_generate_gc_type_description
6316 to generate the class type memory mask. Rewrite the code that
6317 sends the +initialize so that it is called only once (bug report
6318 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
6319 * testsuite/objc: New testsuite for Objective-C type encoding.
6320 * testsuite/lib/objc-torture.exp: New file.
6321 * testsuite/lib/objc.exp: New file.
6323 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
6325 * jump.c (jump_optimize): In if/then/else transformations, add
6326 another call to modified_between_p for the jump insn.
6328 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
6330 * fix-header.c (symlink): Treat like readlink.
6332 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6334 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
6337 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
6339 * config/nextstep.h: Update HANDLE_PRAGMA macro.
6340 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
6341 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
6343 * config/nextstep.c (handle_pragma): Take three arguments, as per
6344 the new HANDLE_PRAGMA macro specification.
6345 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
6346 per the new HANDLE_PRAGMA macro specification.
6347 * config/i960/i960.c (process_pragma): Take three arguments, as
6348 per the new HANDLE_PRAGMA macro specification.
6350 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
6352 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
6353 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
6354 if unknown pragmas are encountered.
6355 (handle_sysv_pragma): Interpret return code from
6356 handle_pragma_token (). Return success/failure indication rather
6357 than next unprocessed character.
6358 (pragma_getc): New function: retrieves characters from the
6359 input stream. Defined when HANDLE_PRAGMA is enabled.
6360 (pragma_ungetc): New function: replaces characters back into the
6361 input stream. Defined when HANDLE_PRAGMA is enabled.
6363 * c-pragma.c (handle_pragma_token): Return success/failure status
6366 * c-pragma.h: Change prototype of handle_pragma_token().
6368 * varasm.c: (handle_pragma_weak): Only create this function if
6369 HANDLE_PRAGMA_WEAK is defined.
6371 * c-common,c (decl_attributes): If defined call the expression
6372 contained within the INSERT_ATTRIBUTES macro before adding
6373 attributes to a decl.
6375 * tm.texi (HANDLE_PRAGMA): Document the new verion of
6376 HANDLE_PRAGMA, which takes three arguments.
6377 (INSERT_ATTRIBUTES): Document this new macro.
6379 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
6380 new INSERT_ATTRIBUTES macro.
6382 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6384 * config/sparc/sparc.md (movdf): Only generate special RTL for
6385 LABEL_REFs when PIC.
6386 (move_label_di): Remove
6387 (movdi_pic_label_ref, movdi_high_pic_label_ref,
6388 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
6389 references when PIC.
6390 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
6391 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
6392 output an .xword for all 64-bit cases.
6394 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6396 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
6397 alignment, use FUNCTION_BOUNDARY instead.
6398 (sparc_output_deferred_case_vectors): Likewise.
6400 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6402 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
6403 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
6405 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
6407 * alpha/va_list.h: New file.
6408 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
6410 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
6412 * NEWS: Add SCO Openserver and Unixware 7 notes.
6416 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
6418 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
6419 (record_constant_1): Handle RANGE_EXPR.
6421 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
6423 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
6424 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
6425 and NOTE_INSN_RANGE_END specially.
6426 (reemit_notes): Likewise.
6428 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6430 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
6431 (ultrasparc_sched_init): Remove unneeded &.
6433 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6435 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
6436 for m68020-60, to prevent the use of fintrz.
6438 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
6440 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
6442 * Makefile.in: Likewise.
6443 * configure: Regenerated.
6445 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
6447 * configure.in (gxx_include_dir): Changed to
6448 '${prefix}/include/g++'-${libstdcxx_interface}.
6449 * configure: Rebuilt.
6451 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
6453 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
6455 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
6456 *sequences* *below* which scalar moves will be used.
6458 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
6460 * collect2.c (mktemp): Delete unused declaration.
6462 * config/xm-netbsd.h: Remove unnecessary file.
6463 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
6464 file anymore, it is not needed.
6466 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
6468 * convert.c (convert_to_integer): Issue an error on conversions to
6471 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
6473 * Makefile.in: Add lang_tree_files and gencheck.h.
6474 * configure.in: Generate them.
6475 * gencheck.c: Include gencheck.h.
6477 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6479 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
6480 movdi_lo_sum_pic and movdi_high_pic and make visible.
6481 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
6482 emit these when Pmode is not SImode.
6483 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
6485 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
6487 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
6488 .linkonce directive after the first time.
6490 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
6492 * m68k.md (beq0_di): Generate correct (and more efficient) code when
6493 the clobbered operand overlaps with an input.
6494 (bne0_di): Similarly.
6496 * Makefile.in (INSTALL): Remove "--no-header" argument.
6498 * NEWS: Various updates.
6500 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6502 * config/sparc/sparc.c (arith_operand, const64_operand,
6503 const64_high_operand, arith_double_4096_operand): Mark mode as
6505 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
6507 (sparc_emit_set_const64): Remove unused variable i.
6508 (sparc_splitdi_legitimate): Likewise for addr_part.
6509 (ultra_code_from_mask): Likewise for mask.
6510 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
6511 reverse return values so it matches usage and comments.
6512 (ultra_flush_pipeline): Likewise.
6513 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
6514 this_type, and allow loads and stores of differing FP modes as
6515 they do not create a conflict.
6516 (ultra_find_type): Initialize fpmode to SFmode, fix
6517 parenthesization thinkos in large conditional.
6518 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
6519 Init free_slot_mask after ultra_cur_hist is reset, not before.
6520 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
6521 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
6522 use ultra_flush_pipeline instead, then re-init group pointer.
6523 Fix statement with no effect. If no progress made in, and no
6524 instructions scheduled at all, advance to new pipeline cycle else
6525 we get into an endless loop.
6526 (ultrasparc_adjust_cost): Remove previous arg.
6527 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
6529 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
6531 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
6532 code. Use reg_overlap_mentioned_p to detect when source and
6533 destination overlap.
6534 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
6536 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
6538 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
6539 COMPARISON_VAL, into invariant_p.
6541 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6543 * regmove.c (regclass_compatible_p): New function.
6544 (regmove_optimize): Use it.
6546 Use NREGS parameter insted of calling max_reg_num.
6548 (fixup_match_1): Don't use code = MINUS when later tieing with
6549 a hard register is likely.
6551 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6553 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
6554 COMPARISON_VAL was normalized.
6556 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
6558 * loop.c (check_dbra_loop): The loop ending comparison value
6559 must be an invariant or we can not reverse the loop.
6561 * loop.c (scan_loop): Count down from max_reg_num - 1 to
6562 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
6564 (load_mems_and_recount_loop_regs_set): Likewise.
6566 * i386.c (print_operand): Remove obsolete 'c' docs.
6568 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
6570 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
6571 * frame.c (init_object_mutex): New function.
6572 (init_object_mutex_once): Likewise.
6573 (find_fde): Call it.
6574 (__register_frame_info): Likewise.
6575 (__register_frame_info_table): Likewise.
6576 (__deregister_frame_info): Likewise.
6578 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
6580 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
6582 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6584 * loop.c (check_dbra_loop): Enable code for reversal
6585 of some loops without a known constant loop end.
6587 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
6589 * haifa-sched.c (last_clock_var): New.
6590 (schedule_block): Initialize it.
6591 (schedule_insn): Use it to fill insn modes with issue information.
6593 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
6594 Tag trapb and next insn with TImode.
6595 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
6596 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
6597 Invoke alphaev5_align_insns as appropriate.
6598 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
6599 (MD_SCHED_VARIABLE_ISSUE): New.
6600 * alpha.md (attr type): Add multi.
6601 (define_asm_attributes): New.
6602 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
6603 (arg_home): Likewise.
6604 (fnop, unop, realign): New.
6606 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
6608 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
6609 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
6611 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
6612 (rs6000-ibm-aix4.[12]*): Likewise.
6613 * configure: Regnerate.
6615 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
6617 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
6618 already contains the return address.
6620 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
6622 * calls.c (expand_call): Use bitfield instructions to extract/deposit
6623 word sized hunks when loading unaligned args into registers.
6625 * haifa-sched.c (sched_analyze_insn): Only create scheduling
6626 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
6628 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
6630 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6632 * loop.c (check_dbra_loop): Add some code that would allow reversal
6633 of some loops without a known constant loop end if it were enabled.
6635 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
6637 * mips.md (lshrsi3_internal2+2): Fix type-o.
6639 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6641 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
6642 correctly with regards to stdio.h.
6644 * calls.c: Remove stdarg.h/varargs.h.
6647 * combine.c: Likewise.
6648 * cpperror.c: Likewise.
6649 * cpplib.c: Likewise.
6650 * cpplib.h: Likewise.
6651 * doprint.c: Likewise.
6652 * emit-rtl.c: Likewise.
6653 * final.c: Likewise.
6654 * fix-header.c: Likewise.
6656 * genattr.c: Likewise.
6657 * genattrtab.c: Likewise.
6658 * gencodes.c: Likewise.
6659 * genconfig.c: Likewise.
6660 * genemit.c: Likewise.
6661 * genextract.c: Likewise.
6662 * genflags.c: Likewise.
6663 * genopinit.c: Likewise.
6664 * genoutput.c: Likewise.
6665 * genpeep.c: Likewise.
6666 * genrecog.c: Likewise.
6667 * mips-tfile.c: Likewise.
6668 * prefix.c: Likewise.
6669 * protoize.c: Likewise.
6670 * regmove.c: Likewise.
6671 * toplev.c: Likewise.
6674 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6676 * config/sparc/sparc.c (sparc_override_options): If not
6677 TARGET_FPU, turn off TARGET_VIS.
6678 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
6679 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
6680 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
6681 (movdi_insn_sp64): Add VIS fzero alternative.
6682 (clear_sf, clear_df): New VIS patterns.
6683 (movsf, movdf expanders): Allow fp_zero_operand flat out when
6685 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
6687 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
6689 * loop.c (n_times_set, n_times_used, may_not_optimize,
6690 reg_single_usage): Convert to varrays. All uses changed.
6691 (insert_loop_mem): Return a value.
6692 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
6693 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
6696 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
6699 * configure.in: Do not set thread_file to "irix" since no such
6702 * sparc.md (float abs/neg splits): Check reload_completed before
6703 calling alter_subreg.
6705 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6707 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
6709 * config/sparc/sparc.h: Declare it.
6710 * config/sparc/sparc.md (float abs/neg splits): Use it.
6711 (all other splits): Handle SUBREGs properly where necessary.
6712 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
6714 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
6716 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
6717 an insn on the unfilled_slots_list that has no delay slots.
6718 (fill_eager_delay_slots): Similarly.
6720 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
6722 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
6723 as an ordinary operand.
6725 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
6727 * tree.c (valid_machine_attribute): Don't apply attributes to both
6730 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
6732 * reload.c (operands_match_p): Handle rtvecs.
6734 * i386.c (legitimate_pic_address_disp_p): New.
6735 (legitimate_address_p): Use it.
6736 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
6737 Handle constant pool symbols just like statics.
6738 (emit_pic_move): Use Pmode not SImode for clarity.
6739 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
6740 [UNSPEC]: New, handling what we killed above.
6741 [PLUS]: Detect and abort on invalid symbol arithmetic.
6742 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
6744 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
6746 * alias.c: Include output.h.
6747 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
6748 different if we're in a varargs function.
6749 * Makefile.in (alias.o): Depend on output.h
6751 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6753 * sh.h (GIV_SORT_CRITERION): Delete.
6755 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
6757 * regclass.c (regclass): Use xmalloc/free instead of alloca.
6758 * stupid.c (stupid_life_analysis): Ditto.
6759 * reload1.c (reload): Ditto.
6761 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6763 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
6764 arith_double_4096_operand, arith_double_add_operand): New
6766 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
6767 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
6768 them to transform add/sub 4096 into add/sub -4096.
6770 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6772 * loop.c (scan_loop): Allocate some slop to handle pseudos
6773 generated by move_movables.
6774 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
6777 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
6779 * tree.def (DECL_RESULT): Correct documentation.
6781 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6783 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
6784 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
6785 conflicts will all RELOAD_FOR_OUTPUT reloads.
6787 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
6788 loads the function result, substitute with a USE.
6790 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6792 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
6793 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
6794 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
6795 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
6796 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
6797 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
6799 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
6800 'o' to 'm' for GPR variant constraints.
6802 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
6804 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
6806 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
6808 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
6809 when the source and destination overlap.
6811 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
6812 clash with global type.
6814 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
6816 * fixinc.irix: Add curses.h handling from fixinc.wrap.
6818 * c-common.c (combine_strings): Also set TREE_READONLY.
6819 Change warn_write_strings to flag_const_strings.
6820 * c-decl.c, c-tree.h: Likewise.
6822 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6824 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
6825 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
6826 sequence, use SET/IOR instead so CSE can see it.
6827 * config/sparc/sparc.md (movhi_const64_special,
6828 movsi_const64_special): New patterns necessitated by that change.
6829 (movhi_high): Remove.
6830 (movhi_lo_sum): Change to match an IOR.
6831 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
6832 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
6833 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
6834 (movdf splits): Allow when not V9 or when not ARCH64 and integer
6835 registers are involved.
6836 (snesi_zero_extend split): Remove reload_completed test.
6837 (unnamed plus and minus zero_extend sidi splits): Add it.
6839 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
6841 * extend.texi: Remove description of extension to explicit
6842 instantiation that is now endorsed by standard C++.
6844 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6846 * config/arc/arc.c (arc_initialize_pic): Remove.
6847 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
6848 nothing on any platform and is invoked by no-one, it does not even
6849 appear in the documentation.
6850 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
6851 * config/sparc/sparc.c (initialize_pic): Likewise.
6852 (find_addr_reg): Remove this as well, no longer referenced after
6855 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
6857 * recog.c (validate_replace_rtx_group): New function.
6858 * recog.h (validate_replace_rtx_group): Declare it.
6859 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
6860 the entire group of substitutions.
6862 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
6864 * loop.c (load_mems): Fix initializers.
6866 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6868 * config/sparc/sparc.md (TFmode splits): Handle destination
6869 registers being referenced in the address correctly.
6871 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
6872 TREE_UNSIGNED, when bitsize of type's mode is larger than
6873 HOST_BITS_PER_WIDE_INT.
6875 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6877 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
6878 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
6879 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
6881 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
6884 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
6886 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
6887 * h8300.h (TINY_DATA_NAME_P): Likewise.
6888 (STRIP_NAME_ENCODING): Handle '&'.
6890 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
6891 register (it could be accessed via an outer SUBREG).
6892 (REG_OK_FOR_BASE_P): Likewwise.
6893 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
6895 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
6898 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
6900 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6902 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
6903 must be offsettable so the splits can be made.
6905 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
6907 * config/i386/winnt.c: Include system.h, not stdio.h to get
6908 sys/param.h pulled in before rtl.h in case the system defines MIN
6911 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
6913 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
6915 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
6917 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
6919 * cpplib.c (cpp_define): Handle macros with parameters.
6921 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6923 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
6924 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
6925 and DImode 64-bit. Use llong for minimal-toc SFmode and
6926 SYMBOL_REF / LABEL_REF 64-bit.
6927 (output_function_profiler): Use llong for profiler label and ld to
6928 load 64-bit label address.
6930 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
6932 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
6935 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
6937 * version.c: Bump for snapshot.
6939 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
6941 * version.c: Bump for snapshot.
6943 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
6945 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
6947 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
6949 * tm.texi (Misc): Fix typo "teh".
6951 * tm.texi (PIC): Fix typo "PPIC".
6953 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
6954 effect when -O2 and higher.
6955 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
6957 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
6959 * regclass.c: Changed register set documentation to be consistent
6962 * final.c (final_start_function) Removed redundant test for
6965 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
6967 * rtl.h (rtx_function): New type.
6968 (for_each_rtx): New function.
6969 * rtlanal.c (for_each_rtx): Define it.
6971 * recog.c (change_t): New type.
6972 (change_objects, change_old_codes, change_locs, change_olds):
6974 (changes): New variable.
6975 (validate_change): Dynamically allocate room for more changes, if
6976 necessary. Uses changes array instead of change_objects, etc.
6977 (apply_change_group): Use changes array instead of
6978 change_objects, etc.
6980 * loop.c (loop_mem_info): New type.
6981 (loop_mems): New variable.
6982 (loop_mems_idx): Likewise.
6983 (looop_mems_allocated): Likewise.
6984 (scan_loop): Remove nregs parameter.
6985 (next_insn_in_loop): New function.
6986 (load_mems_and_recount_loop_regs_set): Likewise.
6987 (load_mems): Likewise.
6988 (insert_loop_mem): Likewise.
6989 (replace_loop_mem): Likewise.
6990 (replace_label): Likewise.
6991 (INSN_IN_RANGE_P): New macro.
6992 (loop_optimize): Don't pass max_reg_num() to scan_loop.
6993 (scan_loop): Remove nregs parameter, compute it after any new
6994 registers are created by load_mems. Use INSN_IN_RANGE_P and
6995 next_insn_in_loop rather than expanding them inline. Call
6996 load_mems to load memory into pseudos, if appropriate.
6997 (prescan_loop): Figure out whether or not there are jumps from the
6998 loop to targets other than the label immediately following the
6999 loop. Call insert_loop_mem to notice all the MEMs used in the
7000 loop, if it could be safe to pull MEMs into REGs for the duration
7002 (strength_reduce): Use next_insn_in_loop. Tweak comments.
7004 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
7006 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
7008 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7010 * config/sparc/sparc.c (finalize_pic): Check for the correct
7011 nonlocal_goto_receiver UNSPEC number.
7012 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
7013 making note of this dependency existing in sparc.c
7014 (negtf2_notv9 split): Give NEG SFmode.
7015 (negsf2): Fix insn output string.
7017 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
7019 * c-common.c (decl_attributes): Issue an error if the argument
7020 to alias is not a string.
7022 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
7024 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
7025 pending memory flush list.
7027 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
7029 (try_combine): Allow combining insns with REG_LIBCALL notes.
7031 * expr.c (emit_block_move): Do not call memcpy as a libcall
7032 instead build up a CALL_EXPR and call it like any other
7034 (clear_storage): Similarly for memset.
7036 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
7039 * Makefile.in (cplus-dem.o): Provide explicit rules for building
7042 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
7043 and REG_LIVE_LENGTH as successful substitutions are made.
7045 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7047 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
7048 statement after end of loop label.
7050 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7052 * config/sparc/sparc.c (ultra_types_avail): New variable.
7053 (ultra_build_types_avail): New function to record mask of insn
7054 types in ready list at this cycle.
7055 (ultrasparc_sched_reorder): Call it.
7056 (ultra_find_type): Use it to quicken the search. Also simplif
7057 dependency check, don't use rtx_equal_p because we know exactly
7058 what we are looking for.
7060 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
7062 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
7063 for architecture v4.
7065 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7067 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
7069 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
7070 movdf_const_intreg and helper splits): New patterns to move float
7071 constants into integer registers.
7072 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
7075 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
7078 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
7080 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
7082 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
7083 a BASE_REGS register is needed as an intermediate when copying
7084 a symbolic value into any register class other than BASE_REGS.
7086 * expr.c (move_by_pieces): No longer static. Remove prototype.
7087 * rtl.h (move_by_pieces): Add extern prototype.
7088 * mips.c (expand_block_move): Handle aligned straight line copy by
7089 calling move_by_pieces.
7091 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
7094 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
7096 * stmt.c (expand_end_loop): Tidy. Allow unconditional
7097 jumps out of the loop to be treated as part of the exit test.
7099 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7100 Jeff Law <law@cygnus.com>
7102 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
7103 * cplus-dem.c: Delete.
7105 * Makefile.in (fold-const.o): depend on $(RTL_H).
7107 * fold-const.c: Include rtl.h to get the prototype for
7108 `set_identifier_local_value'.
7110 * loop.c (express_from_1): Remove unused variable `tmp'.
7111 (combine_givs): cast the first argument of bzero to char *.
7113 * toplev.c (display_help): Remove unused variable `looking_for_start'.
7115 * c-decl.c (init_decl_processing): Remove unneeded &.
7117 * alpha.h (alpha_initialize_trampoline): Provide prototype.
7119 * except.c (set_exception_lang_code, set_exception_version_code):
7120 Change parameter from `short' to `int' to avoid using a gcc
7123 * except.h (set_exception_lang_code, set_exception_version_code):
7124 Likewise for prototypes.
7126 * flow.c (count_reg_references): Remove unused variables `regno'
7129 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
7131 * prefix.c (translate_name): Cast the result of `alloca'.
7133 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
7135 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7137 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
7139 (valid_dbcc_comparison_p): Mark mode argument as unused.
7140 (symbolic_operand): Likewise.
7141 (legitimize_pic_address): Likewise.
7142 (const_uint32_operand): Likewise.
7143 (const_sint32_operand): Likewise.
7144 * sched.c [!INSN_SCHEDULING]: Define only dummy function
7145 schedule_insns and comment out rest of file.
7147 * m68k.c (output_move_simode_const): Use subl to move a zero into an
7149 (output_move_[hq]imode): Likewise.
7151 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
7153 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
7154 * invoke.texi: Corresponding changes.
7156 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
7158 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
7160 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7162 * config/sparc/sparc.c (ultra_code_from_mask,
7163 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7164 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
7165 ultrasparc_sched_init, ultrasparc_variable_issue,
7166 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
7167 functions to describe UltraSPARC pipeline exactly to Haifa.
7168 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
7169 as there is nothing the scheduler can do about it. Indicate that
7170 REG_DEP_OUTPUT's collide. Fixup formatting.
7171 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
7172 divide costs on Ultra for DImode.
7173 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
7175 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
7176 ieuN and add call_no_delay_slot to type list.
7177 (cti function unit): New unit for branches on UltraSPARC.
7178 (subx/addx insns): Set type to misc.
7179 (sidi zero/sign extension insns on arch64): Set type to shift.
7180 (sign_extendhidi2_insn): Set type to sload.
7182 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
7184 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
7185 (output_epilog): Use if != 0 for offset.
7186 (rs6000_fatal_bad_address): Prepare for Intl.
7187 * rs6000.h (rs6000_fatal_bad_address): Declare.
7188 * rs6000.md (movsfcc, movdfcc): Use else if.
7189 (elf_high): Use {liu|lis}.
7190 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
7191 (movsi): Use rs6000_fatal_bad_address.
7193 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
7195 * reload.c (find_equiv_reg): Reject equivalences separated
7196 by a volatile instruction.
7198 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7200 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
7202 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
7204 * alpha.md (movsicc): Fix mode mismatch.
7206 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
7208 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
7210 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
7212 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7214 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
7215 write-only modifier from operand 1 constraint.
7217 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7219 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
7220 emitting a XOR of -1 at the end, emit a NOT instead for combine's
7222 (sparc_emit_set_const64): Likewise, also when computing trailing
7223 bits do not negate low_bits and make fast_int an int.
7225 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
7227 * loop.c (add_label_notes): Do not ignore references to labels
7228 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
7229 * gcse.c (add_label_notes): Similarly.
7231 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
7233 * m68k.md (adddi_dilshr32): One of the operands must be a register.
7234 (adddi_dishl32): Similarly.
7236 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
7238 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
7239 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
7240 * cse.c (cse_basic_block): Add parens to shut up warnings.
7242 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7244 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
7245 sparc_emit_set_const64_longway, const64_is_2insns,
7246 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
7247 in 64-bit constant formation.
7248 * config/sparc/sparc.md (snesi_zero_extend split): Generate
7249 rtl for addx not subx.
7250 (define_insn movdi_const64_special): Make available even when
7251 HOST_BITS_PER_WIDE_INT is not 64.
7252 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
7253 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
7254 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
7255 instances of operand 1 inside a QI subreg.
7256 (xordi3_sp64_dbl): Remove '%' constraint for op1.
7257 (one_cmpldi2_sp64): Fix output string.
7258 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
7260 (unnamed arch64 ashift DI): Truncate shift count if greater than
7263 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7265 * expr.c (store_expr): Don't optimize away load-store pair
7266 when either source or destination have a side effect.
7268 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
7270 * genrecog.c (add_to_sequence): Fatal error if the modes of the
7271 operands of SET are incompatible.
7273 * alpha.md: Fix max and min patterns so modes of SET operands match.
7275 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
7277 * configure.in: Avoid [[ by using test and changequote.
7278 * configure: Rebuild.
7280 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7282 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7284 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7285 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7286 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7287 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7288 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7289 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
7290 Fix mismatching modes in SET operands.
7291 (conditional move patterns): Fix formatting.
7292 (unnamed subx arch64 pattern): Remove duplicate insn.
7294 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7296 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7297 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
7298 (input_operand): Fixup test for what we accept for constant
7300 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
7302 (safe_constDI): Remove.
7303 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7304 gen_safe_XOR64): New functions.
7305 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
7306 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
7308 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
7309 available when HOST_BITS_PER_WIDE_INT is not 64.
7310 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
7311 move before movdi_insn_sp64 pattern.
7312 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
7313 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
7314 symbolic_operand as predicate for second operand.
7315 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
7316 expander): Give set VOIDmode.
7318 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
7320 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
7322 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
7324 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
7326 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
7328 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
7330 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
7332 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
7334 * install.texi: Various SCO OpenServer tweaks.
7336 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
7338 * reload1.c (eliminate_regs_in_insn): Handle another case when
7339 eliminating the frame pointer to the hard frame pointer. Add
7340 missing ep->to_rtx check to one existing case.
7342 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
7344 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7346 * tree.h: De-conditionalize init_priority code.
7348 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
7349 * collect2.c (NM_FLAGS): Change from -p to -n.
7351 * configure.in: Turn on collect2 for mipstx39-elf.
7352 Handle use_collect2=no properly.
7354 * c-common.c: De-conditionalize init_priority code.
7355 * collect2.c (extract_init_priority, sort_ids): New fns.
7356 (main): Call sort_ids.
7357 Move sequence_number to file scope.
7359 * configure.in: Handle --enable-init-priority.
7360 * c-common.c (attrs): Add A_INIT_PRIORITY.
7361 (init_attributes, decl_attributes): Likewise.
7362 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
7363 * tree.c (get_file_function_name_long): Split out...
7364 (get_file_function_name): ...from here.
7366 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
7368 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
7371 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
7373 * toplev.c (display_help): Add braces to shut up warnings.
7374 * tree.c (simple_cst_equal): Likewise.
7376 * fold-const.c (non_lvalue): Don't deal with null pointer
7378 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7380 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
7381 of any size to a pointer.
7383 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
7385 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
7387 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
7389 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
7390 which will be saved.
7391 * mn10300.md (prologue insn): Only save registers which need saving.
7392 (epilogue insn): Similarly.
7394 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
7397 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
7399 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
7400 VAR_DECL's in gp addressable sections.
7402 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
7404 * sparc.c: Change return <exp> to <exp>; return; in functions
7406 * sparc.md: Add empty semicolon statement after final label in
7409 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7411 * config/sparc/sparc.md (define_insn addx_extend): Rename to
7412 addx_extend_sp64, only allow when TARGET_ARCH64.
7413 (define_insn addx_extend_sp32 and split): Version that works when
7415 (define_insn subx_extend): Likewise.
7416 (define_split adddi3 and subdi3 with zero extension): Fixup and
7417 correct bugs when not TARGET_ARCH64.
7419 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
7421 * except.c (set_exception_lang_code, set_exception_version_code):
7422 Use prototype-style definition if __STDC__, to match declaration
7425 * genemit.c: Change FAIL and DONE macros not to use loops.
7427 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
7429 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
7430 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
7432 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
7434 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
7436 * README.g77: Update from Craig.
7438 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7440 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
7442 (safe_constDI sparc_emit_set_const64_quick1,
7443 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7444 analyze_64bit_constant, const64_is_2insns,
7445 create_simple_focus_bits): Fix some bugs when compiled on real
7447 (function_arg_record_value_3, function_arg_record_value_2,
7448 function_arg_record_value): Add fully prototyped forward decls.
7449 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
7450 to cmpsi_insn and use on both 64 and 32 bit targets.
7451 (define_insn cmpsi_insn_sp64): Remove.
7452 (define_expand zero_extendsidi2): Allow for 32-bit target too.
7453 (define_insn zero_extendsidi2_insn): Rename to
7454 zero_extendsidi2_insn_sp64.
7455 (define_insn zero_extendsidi2_insn_sp32): New pattern and
7456 assosciated forced split for it.
7458 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7460 * config/sparc/sparc.h: Declare them.
7461 (PREDICATE_CODES): Add them.
7462 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
7463 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
7465 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
7467 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
7468 in v9 case as the latter makes the Solaris assembler crash.
7470 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7472 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
7473 for TFmode when !v9. We require offsettable memory addresses.
7474 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
7475 DFmode register number conversions.
7476 * config/sparc/sparc.md (define_split DFmode moves): If register
7477 is a SUBREG do alter_subreg on it before using.
7478 (define_expand movtf): Fixup comment about alignment on v9.
7479 (define_split TFmode moves): Don't use gen_{high,low}part, create
7480 explicit SUBREGs instead.
7482 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
7484 * Makefile.in (mbchar.o): Depend on mbchar.c.
7486 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7487 Richard Henderson <rth@cygnus.com>
7489 Rewrite Sparc backend for better code generation and
7490 improved sparc64 support.
7491 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
7493 * config/sparc/sysv4.h: Likewise.
7494 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
7495 move_operand, v8plus_regcmp_op, emit_move_sequence,
7496 singlemove_string, doublemove_string, mem_aligned_8,
7497 output_move_double, output_move_quad, output_fp_move_double,
7498 move_quad_direction, output_fp_move_quad, output_scc_insn):
7500 (small_int_or_double): New predicate.
7501 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
7502 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
7503 old pic_{sethi,lo_sum}_si patterns.
7504 (mem_min_alignment): New generic function to replace
7505 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
7506 available and can test for arbitrary alignments. All callers
7508 (save_regs, restore_regs, build_big_number,
7509 output_function_prologue, output_cbranch, output_return,
7510 sparc_flat_save_restore, sparc_flat_output_function_prologue,
7511 sparc_flat_output_function_epilogue): Prettify
7513 (output_function_epilogue): Likewise and add code to output
7514 deferred case vectors.
7515 (output_v9branch): Likewise, add new arg INSN and use it to tack
7516 on branch prediction settings. All callers changed.
7517 (print_operand): Likewise and output %l44 for LO_SUMs when
7519 (sparc_splitdi_legitimate): New function to make sure DImode
7520 splits can be run properly when !arch64.
7521 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
7522 Reformat example code in comments.
7523 (set_extends): Remove UNSPEC/v8plus_clear_high case.
7524 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
7525 of deferred case vectors we need to output.
7526 (sparc_defer_case_vector): Record a case vector.
7527 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
7528 sparc_output_deferred_case_vectors): New functions to output them.
7529 (sparc_emit_set_const32): New function to form 32-bit constants in
7530 registers when that requires more than one instruction.
7531 (safe_constDI, sparc_emit_set_const64_quick1,
7532 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7533 analyze_64bit_constant, const64_is_2insns,
7534 create_simple_focus_bits, sparc_emit_set_const64): New functions
7535 which do the same for 64-bit constants when arch64.
7536 (sparc_emit_set_symbolic_const64): New function to emit address
7537 loading for all code models on v9.
7538 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
7539 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
7540 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
7541 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
7542 inaccuracies in comments, add symbolic and text_segment operands
7543 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
7544 GENERAL_REGS in these cases as a temp REG is needed to load these
7545 addresses into a register properly.
7546 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
7548 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
7549 quads are guarenteed to have 16-byte alignment.
7550 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
7551 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
7552 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
7553 deferred case vector implementation.
7554 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
7555 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
7556 Generate "internal label - label" instead of "label - 1b".
7557 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
7558 (PREDICATE_CODES): Remove sparc_operand, move_operand,
7559 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
7561 (doublemove_string, output_block_move, output_fp_move_double,
7562 output_fp_move_quad, output_move_double, output_move_quad,
7563 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
7564 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
7565 (sparc_emit_set_const32, sparc_emit_set_const64,
7566 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
7567 mem_min_alignment, small_int_or_double): Add externs.
7568 * config/sparc/sparc.md: Document the many uses of UNSPEC and
7569 UNSPEC_VOLATILE in this backend.
7570 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
7571 unary to types which execute in it.
7572 (define_function_unit ieu_shift): Rename to ieu0.
7573 (define_function_unit ieu1): New, executes compare, call, and
7574 uncond_branch type insns.
7575 (define_function_units for type fdivs, fdivd, fsqrt): These
7576 execute in the fpu multiply unit not the adder on UltraSparc.
7577 (define_expand cmpdi): Disallow TARGET_V8PLUS.
7578 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
7579 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
7580 allows the arith_double_operand predicate and rHI constraint when
7582 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
7583 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
7584 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
7585 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
7586 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
7587 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
7588 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
7589 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
7590 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
7591 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
7592 sign_extendqihi2_insn, sign_extendqisi2_insn,
7593 sign_extendqidi2_insn, sign_extendhidi2_insn,
7594 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
7595 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
7596 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
7597 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
7598 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
7599 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
7600 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
7601 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
7602 smulsi3_highpart_v8plus, unnamed subreg mult,
7603 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
7604 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
7605 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
7606 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
7607 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
7608 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
7609 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
7610 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
7611 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
7612 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
7613 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
7614 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
7615 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
7616 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
7617 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
7618 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
7619 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
7620 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
7621 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
7622 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
7623 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
7624 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
7625 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
7626 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
7627 call_address_untyped_struct_value_sp32,
7628 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
7629 call_value_symbolic_sp32, call_value_address_sp64,
7630 call_value_symbolic_sp64, branch_sp32, branch_sp64,
7631 flush_register_windows, goto_handler_and_restore,
7632 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
7633 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
7634 return_addsi, return_di, return_adddi, return_sf, all call+jump
7635 peepholes, trap, unnamed trap insns): Prettify output strings.
7636 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
7637 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
7638 Likewise and force + implement splits for integer cases.
7639 (define_insn return_sf_no_fpu): Likewise and allow to match when
7640 no-fpu because of our subreg SFmode splits.
7641 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
7642 zero_extendqidi2_insn, zero_extendhidi2_insn,
7643 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
7644 input_operand for second operand.
7645 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
7646 reg_or_0_operand for operand 2 so new splits can use it.
7647 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
7648 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
7650 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
7651 CONST_DOUBLEs for operand 2.
7652 (define_insn move_label_di): Likewise and label distance
7653 optimization because it no longer works with new deferred case
7654 vector scheme. To be revisited.
7655 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
7656 and allow reg_or_0_operand and J constraint for second operand.
7657 (define_insn jump): Set branch predict taken on V9.
7658 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
7659 new deferred case vector scheme.
7660 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
7661 (define_insn negdi2_sp32): Force + implement splits.
7662 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
7663 one_cmplsi2_not_liveg0 respectively, and create expander of original
7664 names which emit special rtl for TARGET_LIVE_G0.
7665 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
7666 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
7667 gen_compare_reg, FAIL instead.
7668 (define_insn sgtu, sleu): Likewise and check gen_s*() return
7669 values when trying to reverse condition codes, if they FAIL then
7671 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
7672 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
7673 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
7674 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
7675 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
7676 set output string to # to indicate they are mandatory splits.
7677 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
7678 pic_sethi_di, move_pic_label_si): Remove.
7679 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
7680 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
7682 (define_expand movsi_pic_label_ref, define_insn
7683 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
7684 expander and insns to handle PIC label references and deferred
7686 (define_insn get_pc_via_rdpc): Comment out as it is no longer
7688 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
7689 Rewrite to not use emit_move_sequence, make use of new constant
7690 formation code, and new splits for all multi-insn cases.
7691 (define_insn movqi_insn): Remove sethi case, it can never happen.
7692 Use reg_or_zero_operand instead of const0_rtx explicit test,
7693 use input_operand instead of move_operand for source, and use
7694 general_operand now for dest.
7695 (define_insn movhi_insn): Similar but leave sethi case.
7696 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
7697 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
7698 movhi_lo_sum respectively, prettify output string.
7699 (define_insn movsi_zero_liveg0): New pattern to put zero into a
7700 register when needed on TARGET_LIVE_G0.
7701 (define_insn movsi_insn): Use general_operand and input_operand
7702 for dest and src respectively. Simplify applicability test.
7703 Prettify output strings, and add clr alternative for J
7705 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
7706 deprecated std and reg-reg DI moves): Remove and...
7707 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
7708 implementation which uses forced splits for all non-single insn
7710 (define_split DI move cases on !arch64): New splits to handle all
7711 situations of 64-bit double register DImode on 32bit, and
7712 unaligned registers and memory addresses for all subtargets.
7713 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
7715 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
7716 input_operand for dest and src respectively, prettify output
7718 (define_insn movdf_insn, movdf_no_e_insn, store_df,
7719 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
7721 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
7722 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
7723 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
7724 movtf_no_e_insn_sp64) Replace with new
7725 implementation which uses forced splits for all non-single insn
7727 (define_split DF move cases): New splits in similar vein to DI
7729 (define_insn sethi_di_medlow, sethi_di_medium_pic,
7730 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
7731 movdi_sp64_insn): Remove old v9 code model and constant loading
7733 (define_insn pic_lo_sum_di, pic_sethi_di,
7734 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
7735 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
7736 embmedany_sethi, embmedany_losum, embmedany_brsum,
7737 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
7738 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
7739 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
7740 scheme, using unspecs, secondary reloads, and one to one sparc
7741 insn to rtl insn mapping for better scheduling and code gen.
7742 (define_expand reload_indi, reload_outdi): Reload helpers for
7743 MEDANY and EMBMEDANY symbol address loading cases which require a
7745 (define_expand movsicc): Remove v8plus_regcmp cases.
7746 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
7747 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
7748 cmp_diqi_trunc_set): New patterns used by some of the new scc
7750 (define_insn xordi3_sp64_dbl): New pattern used for constant
7751 formation when crossing from 32-bit targets.
7752 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
7754 (define_insn addx, subx): Make visible and prettify.
7755 (define_insn adddi3_insn_sp32): Likewise and force split.
7756 (define_insn addx_extend, subx_extend, unnamed): New patterns for
7757 64bit scc split usage.
7758 (define_insn unnamed plusDI zero_extend, unnamed minusDI
7759 zero_extend, subdi3): Force and implement splits.
7761 * final.c (final_scan_insn): Don't output labels if target
7762 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
7765 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
7766 don't forget to walk inside SEQUENCESs too as these are what the
7767 delay slot scheduler will create.
7769 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
7771 * alpha.md (extxl+1,+2): New patterns to work around
7774 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
7776 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
7777 caused bad assembly code to be generated.
7779 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
7781 * netbsd.h: Fix typo.
7783 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
7785 * config.sub: Fix typo.
7787 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
7789 * invoke.texi (Environment Variables): Typo: Change "ascpects"
7791 (Running Protoize): Typo: Change "ther" into "other".
7793 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
7795 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
7796 * m68k/netbsd.h: Likewise.
7797 * ns32k/netbsd.h: Likewise.
7798 * sparc/netbsd.h: Likewise.
7800 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
7802 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
7803 * ginclude/va-clipper.h (va_list): Likewise.
7805 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
7807 * rs6000.c (rs6000_override_options): If big endian and -Os, use
7808 load/store multiple instructions unless user overrides.
7810 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
7812 * ns32k/netbsd.h: Fix typo.
7814 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
7816 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
7817 labels with .debugsym if no parallel insns.
7819 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
7821 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
7822 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
7824 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
7826 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
7827 (AR_FOR_TARGET): Define.
7829 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
7831 * dyn-string.h: New file.
7832 * dyn-string.c: Likewise.
7833 * Makefile.in (OBJS): Add dyn-string.o.
7834 (dwarf2out.o): Add dyn-string.h dependency.
7835 (dyn-string.o): List dependencies.
7836 * dwarf2out.c: Include dyn-string.h.
7837 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
7838 (addr_const_to_string): Take a dyn_string_t, not a char* as a
7839 prototype. Use dyn_string_append rather than strcat, throughout.
7840 (addr_to_string): Use dyn_string_t.
7842 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
7844 Function entry/exit profiling instrumentation:
7845 * expr.h (profile_function_entry_libfunc,
7846 profile_function_exit_libfunc): Declare new variables.
7847 * optabs.c: Define them here.
7848 (init_optabs): Initialize them.
7849 * tree.h (struct tree_decl): New flag
7850 no_instrument_function_entry_exit.
7851 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
7852 * c-decl.c (duplicate_decls): Merge it.
7853 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
7854 (init_attributes): Use it for "no_instrument_function".
7855 (decl_attributes): Handle it, for functions that have not yet been
7856 compiled. Set decl flag.
7857 * flags.h (flag_instrument_function_entry_exit): Declare new
7859 * toplev.c (flag_instrument_function_entry_exit): Define it here.
7860 (f_options): New option "instrument-functions".
7861 * function.h (struct function): New field instrument_entry_exit.
7862 * function.c (current_function_instrument_entry_exit): New
7864 (push_function_context_to, pop_function_context_from): Save and
7866 (expand_function_start): Set current_ variable, maybe emit return
7867 label and entry profile call.
7868 (expand_function_end): Maybe emit exit profile call.
7870 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
7872 * i386.md (movqi): When optimizing a load of (const_int 1) into a
7873 NON_QI_REG_P, pretend the register is SImode.
7875 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
7877 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
7878 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
7879 manufacturer id for ns32k.
7880 * configure: Regenerated.
7881 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
7882 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
7883 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
7884 * config/m68k/netbsd.h: Same.
7885 * config/ns32k/netbsd.h: Same.
7886 * config/sparc/netbsd.h: Same.
7888 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
7890 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
7891 or UNROLL_COMPLETELY loop that starts with a jump to its
7894 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
7896 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
7897 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
7898 (print_operand, case 'B'): Don't fall through.
7899 (print_operand, case 'S'): Correct mask begin/end computation.
7900 Use HOST_BITS_PER_WIDE_INT.
7901 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
7902 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
7903 * rs6000/aix41.h (CPP_PREDEFINES): Same.
7904 * rs6000/aix43.h (CPP_PREDEFINES): Same.
7906 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
7908 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
7909 constraint from second alternative.
7911 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
7913 * configure.in: Fix --without/--disable cases for local-prefix,
7914 gxx-include-dir and checking.
7916 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7918 * configure.in (enable_haifa): Set by default for sparc64 too.
7921 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
7923 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
7924 * i386/winnt.c (associated_type): New fn.
7925 (i386_pe_valid_type_attribute_p): New fn.
7926 (i386_pe_check_vtable_importexport): Remove.
7927 (i386_pe_dllexport_p): Use associated_type.
7928 (i386_pe_dllimport_p): Likewise.
7930 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
7931 * i386.c (i386_valid_type_attribute_p): Also accept
7932 attributes for METHOD_TYPEs.
7934 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
7936 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
7938 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
7940 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
7942 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
7943 them from generating a new base name for each occurence of
7946 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
7948 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
7950 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
7954 * cplus-dem.c (type_kind_t): New type.
7955 (demangle_template_value_parm): Add type_kind_t parameter. Rely
7956 on this paramter, rather than demangling the type again.
7957 (demangle_integral_value): Pass tk_integral.
7958 (demangle_template_: Pass the value returned from do_type.
7959 (do_type): Return a type_kind_t. Pass tk_integral to
7960 demangle_template_value_parm for array bounds.
7961 (demangle_fund_type): Likewise.
7963 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
7965 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
7968 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
7970 * pa.c (move_operand): Accept CONSTANT_P_RTX.
7972 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
7974 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
7976 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
7979 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
7981 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
7982 (DEBUGGER_ARG_OFFSET): Likewise.
7984 * mn10300.md (movsf): Remove last change. Not needed.
7986 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
7988 * c-lex.c (yylex): Fix boundary conditions in character literal and
7989 string literal loops.
7991 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
7993 * longlong.h (count_leading_zeros): Sparclite scan instruction was
7994 being invoked incorrectly.
7996 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
7997 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
7999 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
8000 * configure.in: Added i[34567]86-*-win32
8001 * config.sub: Ditto.
8002 * configure: Rebuilt.
8004 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
8006 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
8007 the frame pointer and compiling PIC code and reload has not completed.
8009 * i386.c (output_to_reg): Add code to emulate non-popping DImode
8012 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
8014 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
8016 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8018 * Makefile.in (install-info): Only try to update the info
8019 directory file if it exists in the first place.
8021 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
8023 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
8025 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
8027 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
8028 CONST_DOUBLE source.
8030 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
8032 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
8033 strings as the insertion of USER_LABEL_PREFIX.
8034 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
8036 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
8039 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
8041 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
8042 already defined type.
8044 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
8046 * expr.c (check_max_integer_computation_mode): Allow conversions
8047 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
8048 (expand_expr): Likewise.
8050 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8052 * expr.c (expand_expr): Expand RETURN_EXPR.
8054 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
8056 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
8058 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
8060 * dwarf2out.c (output_aranges): Call stripattributes
8061 for TEXT_SECTION references.
8062 (output_line_info): Likewise.
8064 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8066 * profile.c (branch_prob): Call allocate_reg_info after outputting
8067 profile rtl in instrument_arcs.
8069 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
8071 * fixinc.irix (math.h): Install wrapper instead of copying.
8073 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8075 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
8076 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
8077 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
8078 lang_flag_0. Added documentation in the flag table.
8080 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
8082 * cccp.c (do_include): Fix vax c style include handling.
8084 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8086 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
8088 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
8090 * fold-const.c (non_lvalue): Don't deal with null pointer
8092 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8094 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
8096 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
8097 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
8098 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
8099 (u_short_cint_operand): Same.
8100 (reg_or_cint_operand): Same.
8101 (logical_operand): Same.
8102 (input_operand): Same.
8103 (reg_or_short_operand): Use u_short_cint_operand.
8105 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
8107 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
8108 but keep the insns and splits. Adjust so when the ultimate destination
8109 is memory, use cvtql.
8111 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
8113 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
8115 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
8117 * gcc.c (do_spec): Call "error" not "warning".
8119 * configure.in: Fix minor problems with gas feature detection code.
8120 * configure: Rebuilt.
8122 * gcc.c (do_spec): Issue a warning for '%[]' usage.
8125 * gcc.c: Delete %[spec] support.
8126 (do_spec_1, case '('): Likewise.
8127 (do_spec_1, case '['): Call error.
8129 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
8131 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
8132 (CPP_SUBTARGET_SPEC): Default to empty string.
8133 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
8134 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
8135 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
8136 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
8138 * alpha/linux.h (CPP_PREDEFINES): Tidy.
8139 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
8140 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
8141 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
8142 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
8143 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
8144 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
8145 * alpha/vxworks.h: Likewise.
8147 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
8149 * mips.md (reload_outsi): Added missing REGNO call.
8150 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
8152 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
8153 another match_operator and compare the codes.
8155 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
8157 * MIPS multiply pattern fixes:
8158 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8159 Add union classes for HI, LO, or HILO plus general registers.
8160 (GENERATE_MADD): Deleted.
8161 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
8162 Add TARGET_MAD to condition.
8163 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
8164 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
8165 "*d" for accumulator, to give preference to LO initially but not
8168 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
8170 * configure.in (enable_c_mbchar): New configure option.
8171 (extra_cpp_objs): Always available now.
8173 * cexp.y (mbchar.h): #include it.
8174 (yylex): Handle Multibyte characters in character literals.
8176 * cccp.c (mbchar.h): #include it.
8177 (main): Set character set based on LANG environment variable.
8178 (rescan): Handle multibyte characters in comments.
8179 (skip_if_group): See above.
8180 (validate_else): See above.
8181 (skip_to_end_of_comment): See above.
8182 (macarg1): See above.
8183 (discard_comments): See above.
8184 (rescan): Handle multibyte characters in string and character literals.
8185 (collect_expansion): See above.
8186 (skip_quoted_string): See above.
8187 (macroexpand): See above.
8188 (macarg1): See above.
8189 (discard_comments): See above.
8190 (change_newlines): See above.
8192 * c-lex.c (mbchar.h): #include it.
8193 (GET_ENVIRONMENT): New macro.
8194 (init_lex): Set character set based on LANG environment variable.
8195 (yylex): Handle multibyte characters in character literals.
8196 (yylex): Handle multibyte characters in string literals.
8198 * Makefile.in (mbchar.o): New target.
8199 (cccp$(exeext)): @extra_cpp_objs@ is always available.
8200 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
8202 * mbchar.[ch]: New files for multibyte character handling.
8204 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8206 * jump.c (jump_optimize): When simplifying noop moves and
8207 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
8208 the PUSHes to rewrite in second loop as we did in the first.
8210 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8212 * cplus-dem.c (demangle_nested_args): Make function definition
8213 static to match the prototype.
8215 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
8217 * alloca.c: Respect USE_C_ALLOCA.
8218 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
8219 * gengenrtl.c (xmalloc): Likewise.
8221 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
8223 * loop.h (struct induction): Add no_const_addval.
8224 * loop.c (the_movables, reg_address_cost): New variables.
8225 (init_loop): Init reg_address_cost.
8226 (loop_optimize): Call end_alias_analysis.
8227 (scan_loop): Init the_movables.
8228 (record_giv): Init induction->no_const_addval.
8229 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
8230 [REG]: Rearrange loop search test to catch more cases.
8231 (general_induction_var): Return success not benefit; take an extra
8232 argument for that. Change all callers.
8233 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
8234 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
8235 [default]: Search the_movables for additional combinations.
8236 (sge_plus_constant, sge_plus): New functions.
8237 (express_from_1): New function.
8238 (express_from): Always define. Rewrite using express_from_1.
8239 (combine_givs_p): Handle more cases. Ignore address cost.
8240 (cmp_combine_givs_stats): New function.
8241 (combine_givs_used_once, combine_givs_benefit_from): New functions.
8242 (combine_givs): Rewrite to do best-fit combination.
8244 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
8245 (fold): Do a complete (A*C)+(B*C) association check.
8247 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
8249 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
8251 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
8253 * mn10300.c (MODES_TIEABLE_P): Fix typo.
8255 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
8257 * tree.c (valid_machine_attribute): Only create a new type variant if
8258 there is a decl to use it.
8260 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
8262 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
8265 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
8267 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
8270 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
8272 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
8273 Simplify tests for clearing an address register.
8274 (expand_prologue): Corresponding changes.
8276 * mn10300.md (movXX patterns): Make sure the destination is an
8277 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
8278 (logical patterns): Split into expanders + patterns
8279 (zero and sign extension patterns): Similarly.
8280 (shift patterns): Similarly.
8282 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8284 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8285 for the sequence, recording base values.
8287 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8289 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
8291 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
8293 * gcc.c: Remove ANSI-C ism from --help code.
8295 * toplev.c: Support --help with USE_CPPLIB.
8297 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
8299 * configure.in: Rework gas feature code to work with symlink based
8302 * extend.texi: Clarify some issues related to local variables
8303 assigned to explicit registers.
8305 * mn10300.md (mulsi): Turn into expander + pattern.
8307 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
8310 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
8312 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
8314 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
8316 * version.c: Bump again to distinguish mainline tree from the
8319 See ChangeLog.0 for earlier changes.
8322 add-log-time-format: current-time-string