1 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
3 * halfpic.c (half_pic_encode): Delete redundant code.
5 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
7 * toplev.c (main): Delete handling of -dM as a preprocessor
10 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
12 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
13 -dI, which are handled by the preprocessor.
15 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
17 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
18 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
20 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
22 * version.c: Bump for snapshot.
24 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
26 * version.c: Bump for snapshot.
28 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
30 * version.c: Bump for snapshot.
32 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
34 * genattr.c (fatal): Qualify a char* with the `const' keyword.
36 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
37 write_unit_name, write_eligible_delay, expand_units,
38 make_length_attrs, write_attr_case, find_attr,
39 make_internal_attr): Likewise.
40 * gencheck.c (tree_codes): Likewise.
41 * gencodes.c (fatal): Likewise.
42 * genconfig.c (fatal): Likewise.
43 * genemit.c (fatal): Likewise.
44 * genextract.c (fatal, walk_rtx, copystr): Likewise.
45 * genflags.c (fatal): Likewise.
46 * genopinit.c (fatal, optabs, gen_insn): Likewise.
47 * genoutput.c (fatal, error, predicates): Likewise.
48 * genpeep.c (fatal): Likewise.
49 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
50 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
52 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
54 * configure.in (with-fast-fixincludes): Fix whitespace.
57 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
58 asm() etc. function declarations in __DECC.
60 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
62 * expr.c (emit_move_insn_1): Only emit a clobber if the target
65 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
67 * gcse.c: Include expr.h in order to get the prototype for
68 get_condition() which is used in delete_null_pointer_checks().
70 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
72 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
74 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
76 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
77 (ALL_CFLAGS): Delete SCHED_CFLAGS.
79 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
81 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
84 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
86 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
87 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
88 optimizations from the combiner.
90 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
92 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
94 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
96 * toplev.c (main): Disable optimize_size if a specific
97 optimization level is requested. Always set optimization
98 level to 2 if -Os is specified.
100 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
102 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
104 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
105 initialize it using fname.
107 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
109 * cpplib.c (do_include): Treat #include_next in the
110 primary source file as #include plus warning. Treat
111 #include_next in a file included by absolute path as an
112 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
114 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
116 * cccp.c: Don't define MIN/MAX anymore.
117 * cpplib.c: Likewise.
118 * machmode.h: Likewise.
119 * system.h: Provide definitions for MIN/MAX.
121 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
123 * fix-header.c: Don't define xstrdup here.
125 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
127 * loop.c (consec_sets_giv): New argument last_consec_insn.
128 (strength_reduce): Provide / use it.
130 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
132 * loop.h (loop_info): New field 'vtop'.
133 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
134 scanning loop for vtop.
135 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
136 (loop_iterations): Use them to determine if loop has a constant
137 number of iterations. Set loop_info->vtop. Don't subtract
138 common reg term from initial_value and final_value if have a
141 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
143 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
145 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
147 * mn10200.md (abssf2, negsf2): New expanders.
149 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
151 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
153 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
154 replaced by a CONCAT whoes components do not have the same
155 mode as the original SUBREG, use a new SUBREG to restore the
158 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
159 multiword complex values.
161 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
163 * cppalloc.c: Add xstrdup here.
164 * cpplib.h: Remove savestring prototype.
165 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
167 * cppfiles.c: s/savestring/xstrdup/ throughout.
169 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
171 * cpplib.c: Make all directive handlers read their own
173 (struct directive): Remove last two arguments from FUNC
174 member prototype. Remove `command_reads_line' member
176 (directive_table): Remove initializations of
177 command_reads_line flag. Pretty-print.
178 (eval_if_expression, do_define, do_line, do_include,
179 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
180 do_else, do_elif, do_sccs, do_assert, do_unassert,
181 do_warning): Take only two args.
183 (cpp_define): Call do_define with two args and the text to
184 define stuffed into a buffer.
185 (make_assertion): Call do_assert with two args.
186 (handle_directive): Call do_line with two args. Call
187 kt->func with two args. Remove command_reads_line
189 (do_define, do_undef, do_error, do_warning, do_pragma,
190 do_sccs): Read the rest of the line here.
191 (do_ident): Gobble rest of line, as cccp does.
192 (cpp_undef): New function.
193 (cpp_start_read): Call cpp_undef instead of do_undef.
195 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
197 * cpphash.h (union hash_value): Remove `keydef' member, add a
198 `struct hashnode *aschain' member for #assert.
200 * cpplib.c (struct tokenlist_list, struct
201 assertion_hashnode): Delete structure definitions.
202 (assertion_install, assertion_lookup, delete_assertion,
203 check_assertion, compare_token_lists, reverse_token_list,
204 read_token_list, free_token_list): Delete functions.
205 (parse_assertion): New function.
206 (cpp_cleanup): Don't destroy the assertion_hashtable.
208 (do_assert): Gut and rewrite. #assert foo (bar) places
209 entries for `#foo' and `#foo(bar)' in the macro hash table,
210 type T_ASSERT. The value union's `aschain' member is used
211 to chain all answers for a given predicate together.
212 (do_unassert): Also rewritten. Take an un-asserted
213 answer off the chain from its predicate and call
214 delete_macro on the hashnode, or walk a predicate chain
215 calling delete_macro on all the entries.
216 (cpp_read_check_assertion): Simply call parse_assertion to
217 get the canonical assertion name, and look that up in the
220 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
223 * cpphash.c (install): Use bcopy instead of an explicit loop
224 to copy the macro name.
226 * cppexp.c (cpp_lex): Convert the result of
227 cpp_read_check_assertion to a `struct operation' directly;
228 don't go through parse_number.
230 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
232 * loop.h (struct induction): Delete times_used member.
233 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
234 (n_times_used): Rename to n_times_set. Changed all users.
235 (scan_loop): Free reg_single_usage before strength reduction.
236 (record_giv, combine_givs): Remove handling of times_used member.
237 (combine_givs_used_once): Rename to:
238 (combine_givs_used_by_other) . Changed all callers.
240 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
242 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
243 instead of TREE_CODE_CLASS == 't'.
244 (gen_type_die): Likewise.
245 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
247 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
249 * real.c (endian): Disable last change unless
250 HOST_BITS_PER_WIDE_INT is greater than 32.
252 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
254 * output.h (force_data_section): New prototype.
255 * varasm.c (force_data_section): New function to force the
256 data section, regardless of what in_section thinks.
257 * dwarf2out.c (output_call_frame_info): Call force_data_section
258 since varasm may not realize we've changes sections.
260 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
262 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
263 after completeing reload.
265 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
266 deleted after reload.
268 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
270 * rtl.h (multiple_sets): Fix prototype.
271 * rtlanal.c (multiple_sets): Fix return type.
273 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
275 * version.c: Bump for snapshot.
277 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
279 * version.c: Bump for snapshot.
281 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
283 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
285 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
287 * rtl.h (recompute_reg_usage): Add second argument.
288 * flow.c (recompute_reg_usage): Likewise.
289 * toplev.c (rest_of_compilation): Supply second argument to
292 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
295 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
297 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
298 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
299 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
302 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
304 * rtlanal.c (multiple_sets): New function.
305 * rtl.h (multiple_sets): Declare it.
306 * local-alloc.c (wipe_dead_reg): Use it.
307 * global.c (global_conflicts): Likewise.
309 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
311 * global.c (record_conflicts): Don't use an array of shorts to
312 store an array of ints.
313 (global_conflicts): Likewise.
315 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
317 * alpha.c (alpha_expand_block_move): mode_for_size expects
318 bits, not bytes. Infer extra alignment from addressof.
320 1998-12-11 Michael Meissner <meissner@cygnus.com>
322 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
323 .sbss section, not .sdata.
325 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
327 * cccp.c: Do not #include <sys/stat.h> here; this is already done
329 * collect2.c: Likewise.
330 * cpplib.h: Likewise.
333 * getpwd.c: Likewise.
334 * protoize.c: Likewise.
335 * toplev.c: Likewise.
337 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
338 and don't try to define it here.
339 * Makefile.in (cppmain.o): Depend on machmode.h.
340 (cpplib.o): Likewise.
341 (cpperror.o): Likewise.
342 (cppexp.o): Likewise.
343 (cppfiles.o): Likewise.
344 (cpphash.o): Likewise.
345 (cppalloc.o): Likewise.
346 (fix-header.o): Likewise.
347 (scan-decls.o): Likewise.
349 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
351 * sh.c (print_operand): lookup interrupt_handler attribute instead
352 of relying on static variable.
353 * (calc_live_regs): Likewise.
354 * (sh_pragma_insert_attributes): Create interrupt_handler
355 attribute if a pragma was specified
356 * (sh_valid_machine_decl_attribute): Don't set static flag.
357 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
359 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
361 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
362 to determine if a register is live at a jump destination.
363 Everything is dead at a BARRIER.
365 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
367 * cse.c (simplify_unary_operation): Sign-extend constants when
368 they have the most significant bit set for the target.
369 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
371 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
372 HOST_WIDE_INT temporary before negating it.
373 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
375 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
377 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
380 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
382 * collect2.h: New header file for prototypes.
384 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
386 * collect2.c: Include collect2.h.
389 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
391 * flow.c: Update some comments.
393 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
395 * objc/objc-act.c (cpp_initialized): Removed.
396 (lang_init_options): Initialize cpplib.
397 (lang_decode_option): Move initialization of cpplib to
399 * c-lang.c: (parse_options,parse_in): Added.
400 (lang_init_options): Initialized cpplib here.
401 * c-decl.c (parse_options,cpp_initialized): Removed.
402 (c_decode_option): Move initialization of cpplib to
405 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
407 * reload1.c (reload_combine, reload_combine_note_store):
408 Make STORE_RUID always valid.
409 (reload_combine): Check if BASE is clobbered too early.
411 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
413 * reload.c (find_reloads): Display the insn that cannot be
416 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
418 * cccp.c (create_definition): Fix end of bufer logic.
420 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
422 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
423 pointer parameters changed to use the PARAMS() macro.
425 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
427 * except.h (struct handler_info): Add handler_number field.
428 * except.c (gen_exception_label): EH labels no longer need to be
429 on the permanent obstack.
430 (get_new_handler): Set the label number field.
431 (output_exception_table_entry): Regenerate handler label reference
432 from the label number field.
433 (init_eh): Remove a blank line.
434 * integrate.c (get_label_from_map): Labels no longer need to be
435 on the permanent obstack.
437 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
439 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
440 only when OUTER_CODE is SET.
442 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
444 * loop.c (strength_reduce): If scan_start points to the loop exit
445 test, be wary of subversive use of gotos inside expression statements.
446 Don't set maybe_multiple for a backward jump that does not
447 include the label under consideration into its range.
448 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
450 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
452 * explow.c (plus_constant_wide): Don't immediately return with
453 result of recursive call.
455 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
457 * eh-common.h (struct eh_context): Add table_index for rethrows.
459 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
460 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
461 processed when inlined or unrolled (ie duplicated in some way).
463 * rtl.c (reg_note_name): Add strings for new reg_note enums.
465 * expr.h (rethrow_libfunc): New library decl.
467 * optabs.c (rethrow_libfunc): Initialize.
469 * except.h (struct eh_entry): Add new field 'rethrow_label'.
470 (new_eh_region_entry): No longer exported from except.c.
471 (duplicate_handlers): Renamed to duplicate_eh_handlers and
473 (rethrow_symbol_map, rethrow_used): New exported functions.
474 (eh_region_from_symbol): New exported function.
476 * except.c (create_rethrow_ref): New function to create a single
477 SYMBOL_REF for a rethrow region.
478 (push_eh_entry): Initialize a rethrow ref.
479 (func_eh_entry): Add a rethrow_label field.
480 (new_eh_region_entry): Make static, and initialize the rethrow entry.
481 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
482 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
483 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
484 a region into an appropriate new symbol.
485 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
486 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
487 (end_catch_handler): Emit a barrier for new-exceptions since
488 control can never drop through the end of a catch block.
489 (expand_end_all_catch): new-exceptions never fall through a catch
491 (expand_rethrow): use __rethrow routine for new exceptions.
492 (output_exception_table_entry): Generate rethrow labels, if needed.
493 (output_exception_table): Generate start and end rethrow labels.
494 (init_eh): Create rethrow symbols for beginning and end of table.
495 (scan_region): Don't eliminate EH regions which are the targets of
498 * flow.c (make_edges): Add different edges for rethrow calls,
499 identified by having the REG_EH_RETHROW reg label.
500 (delete_unreachable_blocks): Don't delete regions markers which are
501 the target of a rethrow.
503 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
504 allow save_for_inline_copying to call duplicate_eh_handlers.
505 (save_for_inline_copying): Call duplicate_eh_handlers instead of
506 exposing internal details of exception regions.
507 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
508 (expand_inline_function_eh_labelmap): New callback routine to
509 allow expand_inline_function to call duplicate_eh_handlers.
510 (expand_inline_function): Call duplicate_eh_handlers instead of
511 exposing internal details of exception regions.
512 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
515 * libgcc2.c (find_exception_handler): Generalize to enable it to
516 pick up processing where it left off last time for a rethrow.
517 (__unwinding_cleanup): New function. debug hook which is called before
518 unwinding when __throw finds there is nothing but cleanups left.
519 (throw_helper): Common parts of __throw extracted out for reuse.
520 (__throw): Common parts moved to throw_helper.
521 (__rethrow): New function for performing rethrows.
523 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
525 * reload1.c (current_function_decl): Tweak declaration.
527 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
529 * c-decl.c (flag_isoc9x): Default off.
530 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
531 * cccp.c (print_help, main): Likewise.
532 * gcc.c (default_compilers): Update for -std=gnu*.
534 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
536 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
537 * demangle.h: Deleted.
539 * reload1.c (current_function_decl): Declare.
541 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
543 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
545 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
547 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
549 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
551 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
553 * configure: Rebuilt.
554 * system.h: If the *_unlocked functions are available use them
555 instead of the locked counterparts by defining macros.
556 * config.in: Regenerated.
558 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
560 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
561 wrong and should only be used for dump related things, not
562 debugging information, instead main_input_filename should be used.
563 Also, reuse output_file_directive if possible.
564 * i386/aix386ng.h (ASM_FILE_START): Likewise.
565 * i386/isc.h (ASM_FILE_START): Likewise.
566 * i386/win-nt.h (ASM_FILE_START): Likewise.
567 * i386/sun386.h (ASM_FILE_START): Likewise.
569 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
571 * configure.in (mips*-*-linux*): Handle big and little endian
573 * configure: Rebuilt.
575 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
577 * emit-rtl.c: Fix typo.
579 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
581 * reload1.c (eliminate_regs): Don't do anything, if we're not
584 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
586 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
588 * mips/mips.c (mips_select_section): Add comment.
590 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
592 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
593 characters in file names in #line to be consistent with #include
594 handling. We support escape prcessing in the # 1 "..." version of
595 the command. See also support in cp/lex.c.
596 (handle_directive): Likewise.
599 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
601 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
602 so it'll work on non-ASCII platforms. Always consider $ an
603 identifier character. Take no arguments.
604 (cpp_reader_init): Call initialize_char_syntax with no
606 (cpp_start_read): Don't call initialize_char_syntax again.
607 Clear is_idchar['$'] and is_idstart['$'] if not
608 opts->dollars_in_ident.
610 * cpplib.h (struct cpp_reader): Replace void *data element by
611 cpp_options *opts. Rearrange elements to make gdb printout
612 less annoying (put buffer stack at end).
613 (CPP_OPTIONS): Get rid of now-unnecessary cast.
615 * cppmain.c: s/data/opts/ when initializing cpp_reader
617 * c-decl.c: Likewise.
618 * objc/objc-act.c: Likewise.
619 * fix-header.c: Likewise.
621 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
623 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
624 with a struct file_name_list pointer.
625 (struct cpp_reader): Add pointer to chain of `actual
626 directory' include searchpath entries.
627 (struct file_name_list): Add *alloc pointer for the sake of
628 the actual-directory chain.
630 Move definition of HOST_WIDE_INT here.
631 (cpp_parse_escape): Change prototype to match changes in
634 * cppfiles.c (actual_directory): New function.
635 (finclude): Use it to initialize the buffer's actual_dir
637 (find_include_file): We don't need to fix up max_include_len
640 * cpplib.c (do_include): Don't allocate a file_name_list on
641 the fly for current directory "" includes, use the one that's
642 been preallocated in pfile->buffer->actual_dir. Hoist out
643 duplicate code from the search_start selection logic.
644 (cpp_reader_init): Initialize pfile->actual_dirs.
646 Remove definition of HOST_WIDE_INT. Change calls
647 to cpp_parse_escape to match changes in cppexp.c (note
648 hardcoded MASK, which is safe since this is the source
651 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
652 to handle wide character constants in #if directives. The
653 function now returns a HOST_WIDE_INT, and takes a third
654 argument which is a binary mask for all legal values (0x00ff
655 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
656 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
657 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
659 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
661 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
663 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
665 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
666 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
667 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
669 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
671 * final.c (output_asm_name): Use tabs to seperate comments from
674 Include instruction lengths (if defined) in output.
676 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
678 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
679 in the loop_info structure.
681 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
683 * configure.in: (arm*-*-ecos-elf): New target.
684 * configure: Regenerated.
685 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
686 * config/arm/ecos-elf.h: New file.
687 * config/arm/unknown-elf.h (TARGET_VERSION): Check
690 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
692 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
694 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
696 * version.c: Bump for snapshot.
698 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
700 * loop.c (check_dbra_loop): New argument loop_info. Update fields
703 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
705 * version.c: Bump for snapshot.
707 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
709 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
710 compressed reports are ok and preferred over URLs
712 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
714 * invoke.texi (Warning Options): Soften the tone of -pedantic
716 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
718 * print-rtl.c (print_rtx): Add prototype.
720 * unroll.c (iteration_info): Make it static.
722 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
724 * alias.c (memrefs_conflict_p): A second ANDed address
725 disables the aligned address optimization.
727 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
729 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
732 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
734 * i960.h (BOOL_TYPE_SIZE): Define.
736 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
738 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
739 from old valid_parallel_operands_4.
740 (valid_parallel_operands_4): Check that operands for 4 operand
741 parallel insns are valid, excluding load/store insns.
742 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
743 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
744 valid_parallel_load_store instead of valid_parallel_operands_4.
745 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
746 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
747 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
748 *notqi_movqi_clobber): Use valid_parallel_operands_4.
749 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
750 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
751 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
753 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
755 * config/c4x/c4x.c (iteration_info): Delete extern.
757 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
759 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
761 * final.c (cleanup_subreg_operands): Delete some unused code.
763 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
764 (struct insn_alternative): New structure definition.
765 (recog_op_alt): Declare variable.
766 (preprocess_constraints): Declare function.
767 * recog.c (recog_op_alt): New variable.
768 (extract_insn): Verify number of alternatives is in range.
769 (preprocess_constraints): New function.
770 * reg-stack.c: Include recog.h.
771 (constrain_asm_operands): Delete.
772 (get_asm_operand_lengths): Delete.
773 (get_asm_operand_n_inputs): New function.
774 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
775 N_OUTPUTS args. All callers changed.
776 Compute number of inputs and outputs here by calling
777 get_asm_operand_n_inputs.
778 Instead of constrain_asm_operands, call extract_insn,
779 constrain_operands and preprocess_constaints. Use information
780 computed by these functions throughout.
781 (record_reg_life): Delete code that is unused due to changes in
783 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
784 N_INPUTS and N_OUTPUTS args. All callers changed.
785 Similar changes as in record_asm_reg_life.
786 (subst_stack_regs): Move n_operands declaration into the if statement
788 Delete code that is unused due to changes in subst_asm_stack_regs.
789 * stmt.c (expand_asm_operands): Verify number of alternatives is in
791 * Makefile.in (reg-stack.o): Depend on recog.h.
793 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
795 * except.c (set_exception_version_code): Argument is an "int".
797 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
799 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
800 * configure: Rebuilt.
802 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
804 * configure.in (mipsel-*-linux*): New target.
805 * mips/linux.h: New file, based on other Linux targets.
807 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
809 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
810 runs in the context of the deleter, not the deletee, so we must
811 use taskVarGet to find the correct memory to free.
812 (__gthread_key_create): Initialize the task
813 variable subsystem so that the task variable is still active when
814 the delete hook is run.
816 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
818 * pdp11.h: Use optimize_size for space optimizations.
820 * pdp11.md: Likewise.
822 * pdp11.h (TARGET_40_PLUS): Fix typo.
824 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
826 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
829 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
831 * alias.c (addr_side_effect_eval): New function.
832 (memrefs_conflict_p): Use it.
833 * rtl.h (addr_side_effect_eval): Prototype it.
835 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
837 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
839 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
841 * reload.c (find_reloads): When force const to memory, put result
842 in substed_operand not *recog_operand_loc.
844 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
846 * c-lex.c: Fix indentation from last patch.
847 Remove trailing whitespace.
850 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
852 * flow.c (delete_block): Call set_last_insn after we have reset
853 NEXT_INSN (kept_tail).
855 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
857 * mips.md (trap_if): Use "$0" for the value zero.
859 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
860 Stephen L Moshier <moshier@world.std.com>
861 Richard Henderson <rth@cygnus.com>
863 * c-common.c (declare_function_name): Declare predefinied variable
866 * c-decl.c (flag_isoc9x): Set to 1 by default.
867 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
868 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
870 * c-parse.in: Allow constructors in ISO C 9x.
871 Rewrite designator list handling.
872 Allow [*] parameters.
873 Don't warn about comma at end of enum definition for ISO C 9x.
875 * cccp.c (c9x): New variable.
876 (rest_extension): New variable.
877 (print_help): Document new -std= option.
878 (main): Recognize -std= option. Set c9x appropriately.
879 (create_definition): Recognize ISO C 9x vararg macros.
881 * gcc.c (default_compilers): Adjust specs for -std options.
882 (option_map): Add --std.
883 (display_help): Document -std.
885 * toplev.c (documented_lang_options): Add -std and remove
888 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
889 or REAL_VALUE_HTOF based on base of the constants.
890 * fold-const.c (real_hex_to_f): New function. Replacement function
891 for hex FP conversion if REAL_ARITHMETIC is not defined.
892 * real.c (asctoeg): Add handling of hex FP constants.
893 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
896 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
898 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
899 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
900 expansion. Use hi/lo as destination register.
902 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
903 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
904 Avoid as macro expansion. Use hi/lo as destination register.
906 * mips.h (MASK_CHECK_RANGE_DIV): New.
907 (MASK_NO_CHECK_ZERO_DIV): New.
908 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
909 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
910 return address for leaf functions out of r31 to support
911 builtin_return_address.
913 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
915 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
916 NEXT_INSN(x) to check insn x.
918 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
920 * flow.c (delete_block): Call set_last_insn if we end up deleting the
921 last insn in the rtl chain.
923 * reload1.c (reload): Do not set reload_completed or split insns
925 * toplev.c (rest_of_compilation): Set reload_completed after
926 reload returns. Split insns after reload_cse has run.
928 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
930 * final.c (final_scan_insn): Abort if block_depth falls below 0.
932 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
934 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
936 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
938 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
939 use of user-label_prefix.
941 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
943 * reload1.c (emit_reload_insns): Clear spill_reg_store
944 when doing a new non-inherited reload from the same pseudo.
946 * local-alloc.c (function_invariant_p): New function.
947 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
948 to decide if an equivalence should be recorded.
949 * reload1.c (num_eliminable_invariants): New static variable.
950 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
951 to decide if an equivalence should be recorded.
953 (calculate_needs_all_insns): Skip insns that only set an equivalence.
954 Take num_eliminable_invariants into account when deciding
955 if register elimination should be done.
956 (reload_as_needed): Take num_eliminable_invariants into account
957 when deciding if register elimination should be done.
958 (eliminate_regs): Handle non-constant reg_equiv_constant.
959 * rtl.h (function_invariant_p): Declare.
961 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
963 * version.c: Bump for snapshot.
965 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
967 * version.c: Bump for snapshot.
969 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
971 * except.c (add_new_handler): Complain about additional handlers
972 after one that catches everything.
974 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
976 * configure.in (alpha*-*-netbsd): Fix typo.
977 * configure: Rebuilt.
979 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
981 * system.h: Include libiberty.h.
983 * c-aux-info.c: Remove prototypes for concat/concat3. Change
984 function `concat' from fixed parameters to variable parameters,
985 as is done in libiberty. All callers of concat/concat3
986 changed to use the new `concat' with variable args.
988 * cccp.c: Remove things made redundant by libiberty.h and/or
989 conform to libiberty standards.
991 * collect2.c: Likewise.
992 * config/1750a/1750a.h: Likewise.
993 * cppalloc.c: Likewise.
994 * cppexp.c: Likewise.
995 * cppfiles.c: Likewise.
996 * cpphash.c: Likewise.
997 * cpplib.c: Likewise.
998 * dyn-string.c: Likewise.
999 * fix-header.c: Likewise.
1002 * genattr.c: Likewise.
1003 * genattrtab.c: Likewise.
1004 * gencheck.c: Likewise.
1005 * gencodes.c: Likewise.
1006 * genconfig.c: Likewise.
1007 * genemit.c: Likewise.
1008 * genextract.c: Likewise.
1009 * genflags.c: Likewise.
1010 * gengenrtl.c: Likewise.
1011 * genopinit.c: Likewise.
1012 * genoutput.c: Likewise.
1013 * genpeep.c: Likewise.
1014 * genrecog.c: Likewise.
1015 * getpwd.c: Likewise.
1016 * halfpic.c: Likewise.
1018 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
1019 in NEED_DECLARATION_* macros.
1021 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
1022 conform to libiberty standards.
1023 (fatal): Fix const-ification of variable `format' in
1024 !ANSI_PROTOTYPES case.
1026 * prefix.c: Remove things made redundant by libiberty.h and/or
1027 conform to libiberty standards.
1029 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
1030 conflicting with function `spaces' from libiberty.
1032 * profile.c: Remove things made redundant by libiberty.h and/or
1033 conform to libiberty standards.
1034 * protoize.c: Likewise.
1037 * tlink.c: Likewise.
1038 * toplev.c: Likewise.
1039 * toplev.h: Likewise.
1042 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1044 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
1046 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1048 * README.C4X: Updated URLs.
1049 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
1050 (valid_parallel_operands_5): Remove unused variable.
1052 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1054 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
1056 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
1058 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
1059 which can be configured.
1060 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
1061 (Makefile): Pass actual LANGUAGES through the environment when
1063 (cstamp-h): Likewise.
1064 (config.status): Likewise.
1066 * configure.in (enable_languages): Add new configuration parameter
1067 "--enable-languages=lang1,lang2,...".
1068 (${srcdir}/*/config-lang.in): Change handling to configure only
1069 those directories, that the user might have enabled; default to
1070 "all" existing languages.
1071 * configure: Regenerate.
1073 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
1075 * rtlanal.c (regs_set_between_p): New function.
1076 * rtl.h (regs_set_between_p): Prototype it.
1077 * jump.c (jump_optimize): Use it instead of modified_between_p
1078 in the Sep 2 change.
1080 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
1081 Matthias Pfaller <leo@dachau.marco.de>
1083 * invoke.texi (Option Summary, NS32K Options): add description
1084 of NS32K specific options.
1086 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
1087 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
1088 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
1089 negdf2, absdf2): Use l instead of f since the double class and
1090 float class are no longer the same.
1091 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
1092 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
1093 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
1094 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
1096 (cmpsi, cmphi, cmpqi): use general_operand instead of
1097 non_immediate_operand. Removes erroneous assumption that can't
1099 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
1100 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
1102 (movstrsi, movstrsi1, movstrsi2): completely new block move
1104 (...): Patterns to exploit multiply-add instructions.
1105 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
1106 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
1107 patterns to exploit extended divide insns.
1108 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
1111 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
1112 float return values as well as simple scalar floats.
1113 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
1114 support new flag to denote 32381 fpu.
1115 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
1116 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
1118 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1119 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
1120 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
1121 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
1122 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
1123 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
1124 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
1125 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
1126 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
1127 fpu registers and special register classes for new 32381
1128 instructions dotf and polyf.
1129 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
1131 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
1132 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
1134 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
1135 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
1136 (REGISTER_MOVE_COST): move code to register_move_cost function for
1137 ease of coding and debugging.
1138 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
1139 LONG_FLOAT_REGO is likely spilled but not caught by default
1141 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
1142 instead of hard coded numbers in range check.
1143 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
1144 (...): Add prototypes for functions in ns32k.c but disable because
1145 of problems when ns32k.h is included in machine independant files.
1147 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
1148 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
1149 hard_regno_mode_ok, secondary_reload_class,
1150 print_operand, print_operand_address): new register scheme to
1151 include 32381 fpu registers and special register classes for new
1152 32381 instructions dotf and polyf.
1153 (gen_indexed_expr): Make static to keep namespace clean.
1154 (check_reg): remove since never called.
1155 (move_tail, expand_block_move): helper functions for "movstrsi"
1157 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
1158 Increase cost of moves which go via memory.
1159 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
1160 (CPP_PREDEFINES): nolonger predefine "unix".
1162 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
1163 Remove erroneous %$. print_operand() can work out from the rtx is
1164 an immediate prefix is required.
1166 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
1167 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
1168 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
1170 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
1173 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
1174 Correct handling of pic operands.
1175 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
1176 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
1177 -mrtd calling convention.
1179 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
1181 * gcc.c (option_map): Recognize --output-class-directory.
1183 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1185 * loop.h (precondition_loop_p): Added new mode argument.
1186 * unroll.c (precondition_loop_p): Likewise.
1187 (approx_final_value): Function deleted and subsumed
1188 into loop_iterations.
1189 (loop_find_equiv_value): New function.
1190 (loop_iterations): Use loop_find_equiv_value to find increments
1191 too large to be immediate constants. Also use it to find terms
1192 common to initial and final iteration values that can be removed.
1194 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1196 * loop.h (struct loop_info): Define new structure.
1197 (precondition_loop_p): Added prototype.
1198 (unroll_loop): Added new argument loop_info to prototype.
1199 (final_biv_value, final_giv_value): Added new argument n_iterations
1201 * loop.c (strength_reduce): Declare new structure loop_iteration_info
1202 and new pointer loop_info.
1203 (loop_n_iterations): Replace global variable by element in
1204 loop_info structure.
1205 (check_final_value): New argument n_iterations.
1206 (insert_bct): New argument loop_info.
1207 (loop_unroll_factor): Replace global array by element in
1208 loop_info structure.
1209 (loop_optimize): Remove code to allocate and initialise
1210 loop_unroll_factor_array.
1211 * unroll.c (precondition_loop_p): No longer static since
1212 used by branch on count optimization.
1213 (precondition_loop_p, unroll_loop): New argument loop_info.
1214 (final_biv_value, final_giv_value, find_splittable_regs): New
1215 argument n_iterations.
1216 (loop_iteration_var, loop_initial_value, loop_increment,
1217 loop_final_value, loop_comparison_code, loop_unroll_factor):
1218 Replaced global variables by loop_info structure.
1219 (loop_unroll_factor): Replace global array by element in
1220 loop_info structure.
1222 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1224 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
1227 * unroll.c (precondition_loop_p): Return loop_initial_value
1228 for initial_value instead of loop_iteration_var.
1230 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1232 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
1233 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
1234 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
1235 to output the instruction sequences.
1237 (rptb_top): Provide alternatives to use any register or memory
1239 (rptb_end): Emit use of operands rather than assigning them
1240 explicitly to the RS and RE registers.
1242 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1244 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
1245 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
1246 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
1247 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
1248 c4x_merge_notes, c4x_parallel_process,
1249 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
1250 c4x_combine_parallel): Delete.
1252 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1254 * config/c4x/c4x.c: (c4x_override_options): For compatibility
1255 with old target options clear flag_branch_on_count_reg if
1256 -mno-rptb specified and set flag_argument_alias is -mno-aliases
1258 (c4x_output_cbranch): Handle a sequence of insns rather than a
1260 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
1261 has not been allocated as the loop counter.
1262 (c4x_address_conflict): Do not allow two volatile memory references.
1263 (valid_parallel_operands_4, valid_parallel_operands_5,
1264 valid_parallel_operands_6): Reject pattern if the register destination
1265 of the first set is used as part of an address in the second set.
1267 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1269 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
1270 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
1271 is no longer enabled if PARALLEL_MPY_FLAG set.
1272 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
1273 (REG_CLASS_CONTENTS): Add braces around initializers.
1274 (HAVE_MULTIPLE_PACK): Define.
1275 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
1276 REAL_VALUE_TO_DECIMAL.
1277 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
1278 REAL_VALUE_TO_DECIMAL.
1279 (ar0_reg_operand): Add prototype.
1280 (ar0_mem_operand): Likewise.
1281 (ar1_reg_operand): Likewise.
1282 (ar1_mem_operand): Likewise.
1283 (ar2_reg_operand): Likewise.
1284 (ar2_mem_operand): Likewise.
1285 (ar3_reg_operand): Likewise.
1286 (ar3_mem_operand): Likewise.
1287 (ar4_reg_operand): Likewise.
1288 (ar4_mem_operand): Likewise.
1289 (ar5_reg_operand): Likewise.
1290 (ar5_mem_operand): Likewise.
1291 (ar6_reg_operand): Likewise.
1292 (ar6_mem_operand): Likewise.
1293 (ar7_reg_operand): Likewise.
1294 (ar7_mem_operand): Likewise.
1295 (ir0_reg_operand): Likewise.
1296 (ir0_mem_operand): Likewise.
1297 (ir1_reg_operand): Likewise.
1298 (ir1_mem_operand): Likewise.
1299 (group1_reg_operand): Likewise.
1300 (group1_mem_operand): Likewise.
1301 (ir1_reg_operand): Likewise.
1302 (arx_reg_operand): Likewise.
1303 (not_rc_reg): Likewise.
1304 (not_modify_reg): Likewise.
1305 (c4x_group1_reg_operand): Remove prototype.
1306 (c4x_group1_mem_operand): Likewise.
1307 (c4x_arx_reg_operand): Likewise.
1309 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
1311 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
1312 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
1314 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1316 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
1319 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1321 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
1322 unless FMOVD_WORKS is defined.
1324 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1326 * regclass.c (init_reg_sets): Move code that calculates tables
1327 dependent on reg_class_contents from here...
1328 (init_reg_sets_1): To here.
1330 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1332 * cpplib.h: Delete struct import_file. Add ihash element to
1333 struct cpp_buffer. Delete dont_repeat_files and
1334 import_hash_table elements from cpp_reader; change
1335 all_include_files to a hash table. Delete all foobar_include
1336 / last_foobar_include elements from struct cpp_options; put
1337 back four such: quote_include, bracket_include,
1338 system_include, after_include. Redo struct file_name_list
1339 completely. Add new structure type include_hash. Add
1340 prototypes for merge_include_chains and include_hash. Change
1341 prototypes for finclude, find_include_file, and
1342 append_include_chain to match changes below.
1344 * cppfiles.c (simplify_pathname, include_hash,
1345 remap_filename, merge_include_chains): New functions.
1346 (add_import, lookup_import, open_include_file): Removed.
1347 (INO_T_EQ): Define this (copied from cccp.c).
1348 (hack_vms_include_specification): Remove all calls and #if 0
1349 out the definition. It was being called incorrectly and at
1350 the wrong times. Until a VMSie can look at this, it's better
1351 to not pretend to support it.
1352 (append_include_chain): Change calling convention; now takes
1353 only one directory at a time, and sets up the data structure
1355 (redundant_include_p): Rewritten - this is now used for all
1356 include redundancy, whether by #ifndef, #import, or #pragma
1357 once. Looks up things in the include hash table.
1358 (file_cleanup): Decrement pfile->system_include_depth here if
1360 (find_include_file): Calling convention changed; now passes
1361 around a struct include_hash instead of 3 separate parameters.
1362 Guts ripped out and replaced with new include_hash mechanism.
1363 (finclude): Calling convention changed as for
1364 find_include_file. Error exits pulled out-of-line. Reformat.
1365 (safe_read): Return a long, not an int.
1366 (deps_output): Don't recurse.
1368 * cpplib.c (is_system_include): Deleted.
1369 (path_include): Fix up call to append_include_chain.
1370 (do_include): Fix up calls to find_include_file and finclude.
1371 Clean up dependency output a bit. Shorten obnoxiously lengthy
1372 #import warning message. Don't decrement
1373 pfile->system_include_depth here.
1374 (do_pragma): Understand the include_hash structure. Reformat.
1375 (do_endif): Correct handling of control macros. Understand
1377 (cpp_start_read): Fix up calls to finclude. Call
1378 merge_include_chains.
1379 (cpp_handle_option): Fix up calls to append_include_chain.
1380 Understand the four partial include chains.
1381 (cpp_finish): Add debugging code (#if 0-ed out) for the
1383 (cpp_cleanup): Free the include_hash, not the import hash and
1384 the all_include and dont_repeat lists which no longer exist.
1386 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
1388 * toplev.c (no_new_pseudos): Define.
1389 (rest_of_compilation): Set no_new_pseudos as needed.
1390 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
1391 if no_new_pseudos is set.
1392 * rtl.h (no_new_pseudos): Declare it.
1393 * reload1.c (reload): Update comments.
1394 * md.texi: Corresponding changes.
1396 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1398 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
1399 (choose_reload_regs): Rename it here as well. When computing it,
1400 also merge in used hardregs.
1402 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1404 * gcc.c: Split out Objective-C specs to...
1405 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
1408 * c-lex.c (init_parse): Always initialize the filename global.
1409 * objc/objc-act.c (lang_init): Always call check_newline at
1412 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
1414 * reload1.c (reload): Remove unused variable.
1415 (reload_reg_free_for_value_p): Add missing parameter definition.
1417 * jump.c (jump_optimize): Remove unused variable.
1419 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
1421 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
1423 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
1425 * expr.c (move_by_pieces): Similarly.
1426 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
1427 * flow.c (find_auto_inc): Similarly.
1428 (try_pre_increment): Similarly.
1429 * loop.c (strength_reduce): Similarly.
1430 * regclass.c (auto_inc_dec_reg_p): Similarly.
1431 * regmove.c (try_auto_increment): Similarly.
1432 (fixup_match_1): Similarly.
1433 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
1434 (HAVE_PRE_DECREMENT): Similarly.
1435 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
1436 * Corresponding changes to all target header files.
1437 * tm.texi: Update docs for autoinc addressing modes.
1439 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
1441 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
1442 * configure: Rebuild.
1443 * config/elfos.h: New file.
1444 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
1445 config/m68k/t-m68kelf: New file.
1447 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
1449 * Makefile.in (HOST_AR): Define.
1450 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
1451 (libcpp.a): Use the host tools explicitly.
1452 (STAGESTUFF): Add libcpp.a.
1454 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
1456 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
1457 to source and destination registers.
1459 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
1461 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
1462 The strategy we now use is to pre allocate the top_elt along
1463 with the EH context so that each thread has its own top_elt.
1464 This is necessary as the dynmanic cleanup chain is used on the
1465 top element of the stack and each thread MUST have its own.
1466 (eh_context_static): Likewise.
1467 (new_eh_context): Likewise.
1468 (__sjthrow): Likewise.
1470 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
1472 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
1473 * i386.md (prologue_get_pc): Remove unused variable.
1475 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
1477 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
1479 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
1481 * Makefile.in (OBJS): Add graph.o
1482 (graph.o): New dependency list.
1483 * flags.h: Declare dump_for_graph and define graph_dump_types type.
1484 * print-rtl.c (dump_for_graph): Define new variable.
1485 (print_rtx): Rewrite to allow use in graph dumping functions.
1486 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
1487 finish_graph_dump_file.
1488 Define graph_dump_format.
1489 (compile_file): If graph dumping is enabled also clear these files.
1490 Finish graph dump files.
1491 (rest_of_compilation): Also dump graph information if enabled.
1492 (main): Recognize -dv to enabled VCG based graph dumping.
1493 * graph.c: New file. Graph dumping functions.
1495 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
1497 * configure.in: Look for <sys/stat.h>.
1498 * system.h: Include it before substitute S_ISREG definitions.
1500 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
1502 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
1503 * config/mips/iris6.h: Same.
1504 * config/mips/mips.md: Same.
1505 * config/mips/mips.c: Same; also add "-mabi=o64" option.
1506 * config/mips/mips.h: Same; also define ABI_O64.
1508 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1510 * configure.in: Use AC_PREREQ(2.12.1).
1512 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
1514 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
1515 * cpplib.c, gcc.c: Likewise.
1516 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
1518 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
1520 * local-alloc.c (local_alloc): Use malloc not alloca for
1521 reg_qty, reg_offset, ref_next_in_qty.
1523 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1525 * caller-save.c (insert_one_insn): Initialize the live_before and
1526 live_after register sets.
1530 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
1531 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
1532 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
1533 (fp_reg_names, assembler_dialect): New variables.
1534 (print_operand_address): Handle SUBREGs.
1535 (print_operand): Added 'o' case.
1536 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
1537 Name of FP registers depends on mode.
1538 (expand_block_move): Emit different code for SH4 hardware.
1539 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
1540 (from_compare): Likewise.
1541 (add_constant): New argument last_value. Changed all callers.
1542 (find_barrier): Don't try HImode load for FPUL_REG.
1543 (machine_dependent_reorg): Likewise.
1544 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
1545 (gen_far_branch): Emit a barrier after the new jump.
1546 (barrier_align): Don't trust instruction lengths before
1548 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
1549 Use auto-inc addressing for fp registers if doubles need to
1550 be loaded in two steps.
1551 Set sh_flag_remove_dead_before_cse.
1552 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
1553 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
1554 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
1555 Support for FIRST_XD_REG .. LAST_XD_REG.
1556 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
1557 (sh_expand_epilogue): Likewise.
1558 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
1559 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
1560 (arith_reg_operand): FPUL_REG is OK for SH4.
1561 (fp_arith_reg_operand, fp_extended_operand) New functions.
1562 (tertiary_reload_operand, fpscr_operand): Likewise.
1563 (commutative_float_operator, noncommutative_float_operator): Likewise.
1564 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
1565 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
1566 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
1567 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
1568 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
1569 (CONDITIONAL_REGISTER_USAGE): Likewise.
1570 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
1571 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
1572 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
1573 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
1574 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
1575 to -1 and sh_flag_remove_dead_before_cse to 1.
1576 (ASSEMBLER_DIALECT): Define to assembler_dialect.
1577 (assembler_dialect, fp_reg_names): Declare.
1578 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
1579 Hide names of registers that are not accessible.
1580 (CACHE_LOG): Take TARGET_CACHE32 into account.
1581 (LOOP_ALIGN): Take TARGET_HARWARD into account.
1582 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
1583 (FIRST_PSEUDO_REGISTER: Now 49.
1584 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
1585 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
1586 (HARD_REGNO_MODE_OK): Update.
1587 (enum reg_class): Add DF_REGS and FPSCR_REGS.
1588 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
1589 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
1590 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
1591 (NPARM_REGS): Eight floating point parameter registers on SH4.
1592 (BASE_RETURN_VALUE_REG): SH4 also passes double values
1593 in floating point registers.
1594 (GET_SH_ARG_CLASS) Likewise.
1595 Complex float types are also returned in float registers.
1596 (BASE_ARG_REG): Complex float types are also passes in float registers.
1597 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
1598 (LIBCALL_VALUE): Remove trailing semicolon.
1599 (ROUND_REG): Round when double precision value is passed in floating
1601 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
1602 passed on the stack.
1603 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
1604 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
1605 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
1606 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
1607 (MODE_DISP_OK_8): Not for SH4 DFmode.
1608 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
1609 Allow indexed addressing for PSImode after reload.
1610 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
1611 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
1612 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
1613 (DOUBLE_TYPE_SIZE): 64 for SH4.
1614 (RTX_COSTS): Add PLUS case.
1615 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
1616 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
1617 MAC_REGS, PR_REGS, DF_REGS.
1618 (REGISTER_NAMES): Use fp_reg_names.
1619 (enum processor_type): Add PROCESSOR_SH4.
1620 (sh_flag_remove_dead_before_cse): Declare.
1621 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
1622 (PREDICATE_CODES): Add binary_float_operator,
1623 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
1624 fpscr_operand, noncommutative_float_operator.
1625 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
1626 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
1627 * sh.md (attribute cpu): Add value sh4.
1628 (attrbutes fmovd, issues): Define.
1629 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
1630 (function units memory, int, mpy, fp): Make dependent on issue rate.
1631 (function units issue, single_issue, load_si, load): Define.
1632 (function units load_store, fdiv, gp_fpul): Define.
1633 (attribute hit_stack): Provide proper default.
1634 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
1635 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
1636 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
1637 (mulsi3_call): Now uses match_operand for function address.
1638 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
1640 (push, pop, push_e, pop_e): Now define_expands.
1641 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
1642 (movsi_ie): Added y/i alternative.
1643 (ic_invalidate_line_i, movdf_i4): New insns.
1644 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
1645 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
1646 (movdf): Add special code for SH4.
1647 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
1648 (call_valuei, calli, call_value): Likewise.
1649 (movsf): Emit no-op move.
1650 (mov_nop, movsi_y): New insns.
1651 (blt, sge): generalize to handle DFmode.
1652 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
1653 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
1654 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
1655 (fpu_switch0, fpu_switch1, movpsi): New expanders.
1656 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
1657 (toggle_sz): New insn.
1658 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
1659 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
1660 (macsf3): Make use of fpscr visible. Disable for SH4.
1661 (floatsisf2): Make use of fpscr visible.
1662 (floatsisf2_i4): New insn.
1663 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
1664 (ieee_ccmpeqsf_t): Likewise.
1665 (fix_truncsfsi2): Emit different code for SH4.
1666 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
1667 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
1668 (negsf2, sqrtsf2, abssf2): Now expanders.
1669 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
1670 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
1671 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
1672 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
1673 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
1674 (fix_truncdfsi2_i4_2+1): New splitters.
1675 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
1676 (extendsfdf2, truncdfsf2): New expanders.
1677 (truncdfsf2_i4): New insn.
1678 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
1679 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
1680 * float-sh.h: When testing for __SH3E__, also test for
1681 __SH4_SINGLE_ONLY__ .
1682 * va-sh.h (__va_freg): Define to float.
1683 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
1684 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
1685 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
1686 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
1688 (TARGET_SH4_P): Define.
1691 * sh.md (movdf_k, movsf_i): Tweak the condition so that
1692 init_expr_once is satisfied about the existence of load / store insns.
1694 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
1695 change m constraint in source operand to mr / mf .
1697 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
1699 * (__VA_REEF): Define.
1700 (__va_arg_sh1): Use it.
1702 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
1704 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
1706 * i386/dgux.c (struct option): Add new "description field".
1707 * m88k/m88k.c (struct option): Likewise.
1709 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
1711 * version.c: Bump for snapshot.
1713 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1715 * regmove.c (regmove_profitable_p): Use return value of find_matches
1718 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
1720 * version.c: Bump for snapshot.
1722 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
1724 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
1725 without reload having been called earlier.
1727 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
1729 (v850_reorg): Similarly.
1731 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
1733 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1735 * loop.c (move_movables): Start of libcall might be new loop start.
1737 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1739 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
1741 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1743 * function.c (nonlocal_goto_handler_slots): Renamed from
1744 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
1745 (push_function_context_to): Adjust for this change.
1746 (pop_function_context_from): Likewise.
1747 (init_function_start): Likewise.
1748 (expand_function_end): Likewise.
1749 * function.h (struct function): Likewise.
1750 * calls.c (expand_call): Likewise.
1751 * explow.c (allocate_dynamic_stack_space): Likewise.
1752 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
1753 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
1755 (expand_goto): When doing a nonlocal goto, find corresponding handler
1756 slot for it. Don't put the label address in the static chain register.
1757 (expand_end_bindings): Break out nonlocal goto handling code into
1758 three new functions.
1759 (expand_nl_handler_label, expand_nl_goto_receiver,
1760 expand_nl_goto_receivers): New static functions, broken out of
1761 expand_end_bindings and adapted to create one handler per nonlocal
1763 * function.c (delete_handlers): Delete insn if it references any of
1764 the nonlocal goto handler slots.
1765 * i960.md (nonlocal_goto): Comment out code that modifies
1767 * sparc.md (nonlocal_goto): Likewise.
1768 (goto_handler_and_restore_v9): Comment out.
1769 (goto_handler_and_restore_v9_sp64): Comment out.
1771 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1773 * expr.c (STACK_BYTES): Delete unused macro.
1774 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
1775 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1776 (expand_call): Likewise.
1777 (emit_library_call): Likewise.
1778 (emit_library_call_value): Likewise.
1779 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
1780 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1781 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
1782 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1783 (allocate_dynamic_stack_space): Likewise.
1784 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
1785 (STACK_BOUNDARY): Update description to reflect the new situation.
1787 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
1789 * reorg.c (relax_delay_slots): When optimizing for code size, if a
1790 return with a filled delay slot is followed by a return with an
1791 unfilled delay slot, delete the first return and reemit the insn
1792 that was previously in its delay slot.
1794 * i860.c (single_insn_src_p): Add missing parens.
1795 * ginclude/math-3300.h: Likewise.
1797 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
1799 * regclass.c (init_reg_sets_1): Add prototype.
1800 (init_reg_modes): Likewise.
1802 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
1804 * c-common.c: Change warning messages to say `comparison is
1805 always true' or `comparison is always false' instead of the
1806 confusing `is always 0', `is always 1'.
1808 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
1810 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
1811 break instead of return (which loses closing '>').
1813 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
1815 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
1816 standard 387 constants.
1818 * i386.md (jump): Explicitly set "memory" attribute.
1819 (indirect_jump, prologue_set_stack_ptr): Likewise.
1820 (prologue_get_pc_and_set_got, pop): Likewise.
1821 (allocate_stack_worder, blockage, return_internal): Likewise.
1822 (return_pop_internal, nop): Likewise.
1823 (epilogue_set_stack_ptr, leave): Likewise.
1825 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
1827 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
1829 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1831 * reload1.c (reload_reg_free_for_value_p):
1832 Early auto_inc reloads don't conflict with outputs.
1834 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1836 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
1837 Instead call AC_HEADER_SYS_WAIT.
1839 * collect2.c: Don't provide defaults for sys/wait.h macros.
1841 * protoize.c: Likewise. Also, don't include sys/wait.h.
1843 * system.h: Include sys/wait.h and provide macro defaults.
1845 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1847 * Makefile.in (mandir): Set to @mandir@.
1848 (man1dir): New variable to hold the former value of $(mandir).
1849 Replace all uses of $(mandir) by $(man1dir).
1851 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
1853 * reload.c (find_reloads_address_part): If have a CONST_INT, create
1854 a new one before passing it to force_const_mem.
1856 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
1857 find_reloads_address call.
1859 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1861 * expr.c (store_expr): Don't generate load-store pair
1862 if TEMP is identical (according to ==) with TARGET.
1864 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1866 * reload1.c (reload_reg_free_for_value_p): When considered reload
1867 has an output, matching inputs are not sufficient to avoid conflict.
1869 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
1871 * hash.h (hash_table_key): New type.
1872 (hash_entry): Change `string' field to generic `key'.
1873 (hash_table): Add `comp' and `hash' functions.
1874 (hash_table_init): Take them as input.
1875 (hash_table_init_n): Likewise.
1876 (hash_lookup): Modify for generic keys.
1877 (hash_newfunc): Likewise.
1878 (hash_traverse): Likewise.
1879 (string_hash): New function.
1880 (string_compare): Likewise.
1881 (string_copy): Likewise.
1882 * hash.c (hash_table_init_n): Modify for generic keys.
1883 (hash_table_init): Likewise.
1884 (hash_lookup): Likewise.
1885 (hash_newfunc): Likewise.
1886 (hash_traverse): Likewise.
1887 (string_hash): Split out from hash_lookup.
1888 (string_compare): New function.
1889 (string_copy): Split out from hash_lookup.
1890 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
1892 (symbol_hash_lookup): Likewise.
1893 (file_hash_newfunc): Likewise.
1894 (file_hash_lookup): Likewise.
1895 (demangled_hash_newfunc): Likewise.
1896 (demangled_hash_lookup): Likewise.
1897 (tlink_int): Likewise.
1898 (read_repo_file): Likewise.
1899 (recompile_files): Likewise.
1900 (demangle_new_symbols): Likewise.
1901 (scan_linker_output): Likewise.
1903 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1905 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
1907 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
1909 * rs6000.c (output_mi_thunk): Improve test for local branch.
1911 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1913 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
1915 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1917 * reload1.c (reload_reg_free_before_p): Delete.
1918 Changed all callers to use reload_reg_free_for_value_p instead.
1919 (reload_reg_free_for_value_p): Handle more reload types.
1920 A RELOAD_FOR_INPUT doesn't conflict with its
1921 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
1922 Add special case for OUT == const0_rtx.
1923 Added ignore_address_reloads argument. Changed all callers.
1925 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
1927 * toplev.c (compile_file): Don't pedwarn about undefined static
1928 functions just because we passed -Wunused.
1930 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1932 * function.c (purge_addressof_1): Unshare rtl created by
1935 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1937 * regmove.c (regmove_optimize): Don't do anything but
1938 optimize_reg_copy[123] when flag_regmove is not set.
1940 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
1942 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
1943 value in paradoxical SImode result, rather than truncating midpoint.
1945 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
1947 * alpha.c (reg_not_elim_operand): New.
1948 * alpha.h (PREDICATE_CODES): Add it.
1949 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
1950 for the multiplicand.
1952 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
1954 * rs6000.md (movsf): Remove explicit secondary-reload-like
1955 functionality. Only truncate SFmode store if in FPR.
1956 (movsf splitters): Combine const_double splitters.
1957 (movsf_hardfloat): Add GPR support.
1959 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
1961 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
1962 deprecate -mlive-g0 and -mbroken-saverestore.
1963 * t-splet (MULTILIB_OPTIONS): Likewise.
1965 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
1966 in a leaf function. Clarify total_size/extra_size relationship.
1968 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
1970 * i386/cygwin32.asm: Delete.
1971 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
1972 * i386/cygwin32.h: Delete.
1973 * i386/cygwin.h: New file, renamed from cygwin32.h.
1974 * i386/t-cygwin32: Delete.
1975 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
1976 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
1977 * i386/x-cygwin32: Delete.
1978 * i386/x-cygwin: New file, renamed from x-cygwin32.
1979 * i386/xm-cygwin32: Delete.
1980 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
1981 renamed cygwin_ funcs for path translations.
1982 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
1983 * i386/winnt.c: Remove "32" from comment about cygwin.
1984 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
1985 * rs6000/cygwin32.h: Delete.
1986 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
1987 -D__CYGWIN__ to CPP_PREDEFINES.
1988 * rs6000/x-cygwin32: Delete.
1989 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
1990 * rs6000/xm-cygwin32: Delete.
1991 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
1993 * configure.in: Check for cygwin* instead of cygwin32. Account
1994 for the rename of cygwin-related config files to lose the "32"s.
1995 * configure: Regenerate.
1997 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
1998 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
2000 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
2002 * Makefile.in (JAVAGC): New macro.
2003 * configure: Rebuilt.
2004 * configure.in: Recognize --enable-java-gc argument. Subst
2007 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2009 Handle equivalences that have been obscured by gcse:
2011 * reload1.c (reload): Handle equivalences set up in multiple places.
2012 * local-alloc.c (reg_equiv_init_insns): New variable.
2013 (no_equiv): New function.
2014 (update_equiv_regs): Handle equivalences set up in multiple places.
2015 Don't ignore an insn just because its destination is likely to be
2018 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
2020 * except.c (expand_eh_return): Readd force_operand call lost in
2023 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
2025 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
2027 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2029 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
2031 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2033 * regmove.c (regmove_optimize): Fix error in last change.
2035 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
2037 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
2038 offset in the .mask pseudo to compensate for frame pointer adjustments.
2039 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
2040 word swap arguments moved to/from FP registers.
2041 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
2043 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
2045 * version.c: Bump for snapshot.
2047 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
2049 * version.c: Bump for snapshot.
2051 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
2053 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
2054 times, then it can not be completely replaced.
2056 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
2058 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
2060 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2062 * gansidecl.h: Prepend a "G" to the macro wrapping this file
2063 (to distinguish it from the macro wrapping ansidecl.h.)
2064 Include libiberty's ansidecl.h. Remove all redundant definitions.
2065 Define the PROTO() style macros in terms of the PARAMS() ones.
2068 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
2069 __STDC__, when deciding whether to use ANSI variable args.
2070 (emit_library_call_value): Likewise.
2072 * cccp.c (error): Likewise.
2073 (warning): Likewise.
2074 (error_with_line): Likewise.
2075 (warning_with_line): Likewise.
2076 (pedwarn): Likewise.
2077 (pedwarn_with_line): Likewise.
2078 (pedwarn_with_file_and_line): Likewise.
2081 * cexp.y (error): Likewise.
2082 (pedwarn): Likewise.
2083 (warning): Likewise.
2085 * collect2.c (fatal_perror): Likewise.
2089 * combine.c (gen_rtx_combine): Likewise.
2091 * cpperror.c (cpp_message): Likewise.
2092 (cpp_fatal): Likewise.
2094 * cpplib.c (cpp_error): Likewise.
2095 (cpp_warning): Likewise.
2096 (cpp_pedwarn): Likewise.
2097 (cpp_error_with_line): Likewise.
2098 (cpp_warning_with_line): Likewise.
2099 (cpp_pedwarn_with_line): Likewise.
2100 (cpp_pedwarn_with_file_and_line): Likewise.
2102 * cpplib.h: Don't define PARAMS() macro.
2104 * demangle.h: Likewise.
2106 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
2107 when deciding whether to use ANSI variable args.
2109 * emit-rtl.c (gen_rtx): Likewise.
2110 (gen_rtvec): Likewise.
2112 * final.c (asm_fprintf): Likewise.
2114 * fix-header.c (cpp_message): Likewise.
2116 (cpp_fatal): Likewise.
2118 * gcc.c (concat): Likewise.
2122 * genattr.c (fatal): Likewise.
2124 * genattrtab.c (attr_rtx): Likewise.
2125 (attr_printf): Likewise.
2128 * gencodes.c (fatal): Likewise.
2130 * genconfig.c (fatal): Likewise.
2132 * genemit.c (fatal): Likewise.
2134 * genextract.c (fatal): Likewise.
2136 * genflags.c (fatal): Likewise.
2138 * genopinit.c (fatal): Likewise.
2140 * genoutput.c (fatal): Likewise.
2143 * genpeep.c (fatal): Likewise.
2145 * genrecog.c (fatal): Likewise.
2147 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
2148 deciding whether to declare `tree_node' and `rtx_def'.
2150 * hash.h: Don't define stuff we get from gansidecl.h.
2152 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
2153 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2154 whether to use ANSI variable args.
2157 * prefix.c (concat): Likewise.
2161 * system.h: Likewise.
2163 * toplev.c (error_with_file_and_line): Likewise.
2164 (error_with_decl): Likewise.
2165 (error_for_asm): Likewise.
2168 (warning_with_file_and_line): Likewise.
2169 (warning_with_decl): Likewise.
2170 (warning_for_asm): Likewise.
2171 (warning): Likewise.
2172 (pedwarn): Likewise.
2173 (pedwarn_with_decl): Likewise.
2174 (pedwarn_with_file_and_line): Likewise.
2176 (really_sorry): Likewise.
2178 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2179 whether to declare `tree_node' and `rtx_def'.
2181 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
2182 deciding whether to use ANSI variable args.
2183 (build_nt): Likewise.
2184 (build_parse_node): Likewise.
2186 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
2188 * version.c: Bump for snapshot.
2190 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2192 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
2194 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2196 * collect2.c (main, case 'b'): Use else if.
2198 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2200 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
2201 Arrange to include gansidecl.h in {ht}config.h & tm.h just
2202 before the config/ directory headers.
2203 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
2204 gansidecl.h in the list of dependencies.
2206 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
2207 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
2208 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
2209 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
2210 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
2211 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
2214 * cccp.c: Don't include gansidecl.h.
2216 * collect2.c: Likewise.
2217 * config/c4x/c4x.c: Likewise.
2218 * config/v850/v850.h: Likewise.
2219 * cppalloc.c: Likewise.
2220 * cpperror.c: Likewise.
2221 * cppexp.c: Likewise.
2222 * cppfiles.c: Likewise.
2223 * cpphash.c: Likewise.
2224 * cpplib.c: Likewise.
2225 * cppmain.c: Likewise.
2226 * cppulp.c: Likewise.
2227 * demangle.h: Likewise.
2228 * doprint.c: Likewise.
2229 * dyn-string.c: Likewise.
2230 * eh-common.h: Likewise.
2231 * fix-header.c: Likewise.
2232 * frame.c: Likewise.
2235 * gen-protos.c: Likewise.
2236 * gencheck.c: Likewise.
2237 * halfpic.h: Likewise.
2239 * machmode.h: Likewise.
2240 * mbchar.c: Likewise.
2241 * prefix.c: Likewise.
2242 * protoize.c: Likewise.
2243 * recog.h: Likewise.
2245 * scan-decls.c: Likewise.
2247 * varray.h: Likewise.
2249 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
2251 * i386.md (call_value_pop): If we're not popping anything,
2252 defer to call_value.
2253 (call_pop): Likewise defer to call.
2255 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
2257 * function.c (purge_addressof): Clear purge_addressof_replacements
2258 only after processing the whole function.
2260 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
2262 * reload1.c (reload): If we can not perform a particular elimination
2263 when we thought we could earlier, then we must always iterate through
2264 the loop at least one more time.
2266 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
2268 * alpha.c (add_operand): Simplify the CONST_INT match.
2269 (sext_add_operand): Correct typo in comparison by using
2270 CONST_OK_FOR_LETTER_P.
2271 * alpha.md (s?addq): Use sext_add_operand to allow the negative
2272 constant alternatives to be generated.
2273 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
2274 small constants, since the hw instructions do.
2276 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2278 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
2279 previous insn to store directly into our reload register, make sure
2280 that if the source of the previous insn is a reload register, its
2281 spill_reg_store and spill_reg_stored_to values are cleared.
2283 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
2285 * rs6000.md (floatunssidf2_internal splitter): Use base register
2286 operand, not hard-coded SP.
2288 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2290 * jump.c (calculate_can_reach_end): Fix thinko.
2292 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
2294 * reorg.c (fill_simple_delay_slots): Fix typo.
2296 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
2298 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
2300 * i386.md (extendsidi2): Use # in the output template.
2301 (extendsidi splitters): New splitters.
2303 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
2305 * configure.in: Use unknown-elf.h as tm_file for arm-elf
2307 * configure: Regenerate.
2309 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2311 * jump.c (init_label_info, delete_barrier_successors,
2312 mark_all_labels, delete_unreferenced_labels,
2313 delete_noop_moves, calculate_can_reach_end): New functions broken
2314 out of jump_optimize.
2315 (jump_optimize): Use them.
2317 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2319 * except.c (expand_fixup_region_end): Make sure outer context labels
2320 are not issued in an inner context during cleanups.
2322 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
2324 * alpha.md (addsi3, subsi3): No new temporaries once cse is
2327 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
2329 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
2330 to expose this midpoint to CSE.
2332 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2334 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
2336 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2338 * configure.in: Bring over gcc2 change of Nov 19 1997.
2340 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
2342 * toplev.c (output_lang_identify): Make definition dependent on
2343 ASM_IDENTIFY_LANGUAGE.
2345 * print-rtl.c (spaces): Make static.
2347 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
2349 * extend.texi: Clarify proper uses for register clobbers in asms.
2351 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2353 * recog.h (enum op_type): Define.
2354 (constrain_operands): Adjust prototype.
2355 (recog_op_type): Declare new variable.
2356 * recog.c (recog_op_type): New variable.
2357 (insn_invalid_p): Allow modifying an asm statement after reload.
2358 (extract_insn): Set up recog_op_type.
2359 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2360 Don't compute operand types, use recog_op_type.
2361 Use the information computed by extract_insn instead of the previous
2362 method of finding it by insn code number.
2363 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2364 * reorg.c (fill_slots_from_thread): Likewise.
2365 * reload1.c (reload_as_needed): Likewise.
2366 (gen_reload): Likewise.
2367 (inc_for_reload): Likewise.
2368 (reload_cse_simplify_operands): Likewise.
2369 Use the information computed by extract_insn instead of the previous
2370 method of finding it by insn code number.
2371 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
2373 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
2374 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
2375 Use the information computed by extract_insn instead of the previous
2376 method of finding it by insn code number.
2377 * regmove.c (find_matches): Likewise. Change meaning of the return
2378 value to be nonzero if the optimization can be performed, zero if
2379 not. All callers changed.
2380 Shorten some variable names to fix formatting problems.
2381 (regmove_optimize): Shorten some variable names to fix formatting
2383 Use the information computed by extract_insn instead of the previous
2384 method of finding it by insn code number.
2385 * regclass.c (scan_one_insn): Likewise.
2386 (record_reg_classes): Don't compute operand types, use recog_op_type.
2387 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
2388 recog_constraints instead.
2390 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
2392 * rtl.h (flow2_completed): Declare.
2393 * flow.c (flow2_completed): Definition.
2394 * toplev.c (rest_of_compilation): Set and clear flow2_completed
2397 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2399 * Makefile.in (libcpp.a): Ranlib libcpp.a
2401 * cppulp.c (user_label_prefix): Initialize.
2403 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
2405 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
2406 at a RETURN if current_function_sp_is_unchanging is set.
2408 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2410 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
2412 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
2414 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
2415 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
2416 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
2417 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
2418 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
2419 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
2421 (LIB_SPEC): Handle -mno-cyginw option.
2422 (LINK_SPEC): Handle -mdll.
2424 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2426 * reload.c (find_reloads): Fix test for usage by other reload
2427 to handle secondary reloads properly.
2429 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2431 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
2432 intermediate structure which has exactly the members provided by
2433 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
2434 static intermediate structure.
2436 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
2437 from the intermediate structure. Do the same analogous fix in
2438 the case where ELIMINABLE_REGS is not defined.
2440 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
2442 * pa.h (SELECT_SECTION): Fix thinko.
2444 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
2446 * dwarf2out.c (output_call_frame_info): Comments on last change.
2448 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
2450 * arm.c (add_constant): When taking the address of an item in the
2451 pool, get the mode of the item addressed.
2453 * arm.c (final_prescan_insn case INSN): If an insn doesn't
2454 contain a SET or a PARALLEL, don't consider it for conditional
2457 Restore ABI compatibility for NetBSD.
2458 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
2460 (RETURN_IN_MEMORY): Likewise.
2462 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
2464 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
2465 (m32r_output_block_move): Rewrite bytes < 4 handling.
2467 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2469 * configure.in: Call AC_FUNC_VFORK.
2471 * collect2.c: Define VFORK_STRING as a printable string for
2472 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
2473 defined, include vfork.h. If VMS is defined, define vfork()
2474 appropriately. Remove vfork check on USG, we're using autoconf.
2475 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
2476 checking locally what string to pass.
2477 (scan_prog_file): Likewise.
2478 (scan_libraries): Likewise.
2480 * gcc.c: Remove vfork check on USG, we're using autoconf.
2481 Besides, no calls to vfork/fork occur in this file.
2483 * protoize.c: Likewise.
2485 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2487 * configure.in (DEFAULT_LINKER): renamed from LD
2488 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
2489 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
2490 * configure: rebuilt
2492 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2494 * BUGS: fix the regexp for `more' to find the appropriate node.
2495 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
2497 * BUGS: added link to the WWW FAQ
2499 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
2501 * version.c: Bump for snapshot.
2503 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
2505 * From Christian Gafton:
2506 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
2507 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
2508 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
2510 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
2512 * c-common.c (c_get_alias_set): Allow all type-punning through
2513 unions. Don't get confused about the type of a bit-field, despite
2514 the antics of build_modify_expr.
2516 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
2518 * fixinc.sco: Paramaterize #include_next values.
2519 * fixinc/fixinc.sco: Likewise.
2521 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
2523 * toplev.c (rest_of_compilation): No longer set reload_completed.
2524 * reload1.c (reload): Set it here. Perform instruction splitting
2525 after reload has completed if we will be running the scheduler
2528 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
2530 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
2531 EH region if exceptions are enabled and we're performing cross
2533 (find_cross_jump): Exit loop if the insns are in different EH regions.
2535 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
2537 * dwarf2out.c (output_call_frame_info): Use
2538 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
2540 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2542 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
2543 * c-common.c (check_format_info): Don't check for the 'x'
2544 format character twice, instead check for 'x' and 'X'
2546 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
2548 * configure.in (assembler features): Also make gas is configured if
2549 we find it in the souce tree.
2551 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
2553 * i386.c (i386_comp_type_attributes): Compare whether the
2554 attributes are defined, not their tree nodes.
2556 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2558 * configure.in (gxx_include_dir): bitten by autoconf quoting
2560 * configure: rebuilt
2562 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2564 * configure.in: Ignore non-absolute value in $AS.
2566 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
2568 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
2570 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
2572 * configure.in (msdosdjgpp): Set exeext and target_alias.
2574 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2576 * flow.c (XNMALLOC): New macro.
2577 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
2579 (add_edge, add_edge_to_label): New static functions.
2580 (free_bb_memory): New function.
2581 (flow_delete_insn): Delete function.
2582 (basic_block_drops_in): Delete variable.
2583 (find_basic_blocks): Allocate and initialize basic_block_head,
2584 basic_block_succ. Don't allocate basic_block_drops_in.
2585 Call free_bb_memory at the beginning.
2586 (find_basic_blocks_1): Don't do multiple passes.
2587 Delete code to compute basic_block_drops_in.
2588 After calling make_edges, mark blocks reached by current block live.
2589 Update test for unreachable live blocks.
2590 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
2592 Simplify to call add_edge_to_label when a LABEL_REF is found.
2593 (make_edges): Simplify to call add_edge_to_label instead of
2594 mark_label_ref most of the time.
2595 Compute here whether control drops into the next block.
2596 (delete_unreachable_blocks): Return void. All callers changed.
2597 Delete unreachable blocks in reverse order.
2598 After deleting all unreachable blocks, renumber the remaining ones
2599 and update n_basic_blocks.
2600 (delete_block): Speed up deletion a bit.
2601 Don't set basic_block_drops_in for deleted blocks.
2602 (free_basic_block_vars): Don't free basic_block_drops_in.
2603 (life_analysis_1): Update to use new edge representation.
2604 (dump_flow_info): Delete code to print basic block info; call
2605 dump_bb_data instead.
2606 (compute_preds_succs): Delete code to recompute basic_block_drops_in
2607 and uid_block_number.
2608 Simply copy the previously computed cfg.
2609 (dump_bb_data): New arg LIVE_INFO. All callers changed.
2610 Print register lifetime information if LIVE_INFO is nonzero.
2611 * basic-block.h (dump_bb_data): Adjust prototype.
2612 * gcse.c (gcse_main): Update call to dump_bb_data.
2613 * rtl.h (free_bb_memory): Declare.
2614 * toplev.c (rest_of_compilation): Call free_bb_memory.
2616 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
2617 (update_eliminable_offsets): Don't compute it.
2618 (set_initial_elim_offsets): Don't initialize it.
2619 Break out some code into set_initial_label_offsets so the rest of
2620 this function can be called from reload_as_needed.
2621 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
2622 ELIMINABLE_REGS isn't.
2623 (set_initial_label_offsets): New function, broken out of
2624 set_initial_elim_offsets.
2625 (set_offsets_for_label): New function, broken out of set_label_offsets
2626 and reload_as_needed.
2627 (reload): Call the two new functions.
2628 (reload_as_needed): Call set_initial_elim_offsets instead of
2629 duplicating the code. Likewise for set_offsets_for_label.
2631 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
2632 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
2633 any hard reg, reg_reloaded_dead contains valid data.
2635 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
2637 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
2638 "stdcall" and "cdecl" attributes.
2640 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
2642 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
2643 handle deleted no-op moves of hard registers.
2644 * haifa-sched.c (update_flow_info): Likewise.
2646 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
2648 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
2649 of the sequences to reload the HILO register which do not actually
2652 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
2654 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
2656 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2658 * except.c (emit_eh_context): Make the EH context register stay alive
2659 at -O0 so stupid.c doesn't get confused.
2661 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2663 * emit-rtl.c (try_split): Do not try to split a BARRIER.
2665 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
2666 Jeffrey A Law (law@cygnus.com)
2668 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
2669 (zero_extendsidi2): Use # in output template and handle completely by
2671 (zero_extend splitters): New define_splits.
2672 (ashiftrt_32): New pattern.
2674 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2676 * tree.c (append_random_chars): New fn.
2677 (get_file_function_name_long): Use it.
2679 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
2681 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
2682 (LIBCPP_OBJS): New. Add cppulp.o.
2683 (cppmain, fix-header): Depend on and use libcpp.a.
2684 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
2685 of the individual object files.
2686 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
2689 * cccp.c (user_label_prefix): New.
2690 (main): Set it off -f*leading-underscore.
2691 (special_symbol): Use it.
2692 * cpplib.c (special_symbol): Likewise.
2693 (cpp_handle_option): Handle -f*leading-underscore.
2694 * cppulp.c: New file.
2696 * output.h (user_label_prefix): Declare it.
2697 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
2698 * toplev.c (f_options, main): Handle -f*leading-underscore.
2700 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
2701 referencing USER_LABEL_PREFIX directly.
2702 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
2703 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
2704 * final.c (asm_fprintf): Use user_label_prefix instead.
2705 * arm/thumb.c (thumb_print_operand): Likewise.
2707 * gcc.c (default_compilers): Pass -f*leading-underscore on to
2708 cpp wherever appropriate.
2710 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
2712 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
2713 specific compiler switches.
2715 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
2717 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
2720 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2722 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
2723 structure which has exactly the members provided by EXTRA_SPECS.
2724 Xmalloc() the real `extra_specs', and initialize it from this
2725 intermediate structure.
2727 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
2729 * mips.h (EXTRA_SPECS): Likewise.
2731 * sparc.h (EXTRA_SPECS): Likewise.
2733 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2735 * function.c (purge_addressof_1): Instead of aborting when a
2736 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
2737 work just put the ADDRESSOF on stack. Otherwise remember all such
2738 successfull replacements, so that exactly the same replacements
2739 can be made on the REG_NOTEs. Remove the special case for CALL
2741 (purge_addressof_replacements): New variable.
2742 (purge_addressof): Clear it at end.
2744 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2746 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
2747 (lang_init): Call check_newline always.
2748 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
2749 cpp_start_read, set yy_cur and yy_lim to read from
2750 parse_in.token_buffer, so that we'll see the first #line
2752 * cpplib.c (cpp_start_read): finclude the main input file
2753 before processing -include/-imacros. Process -imacros and
2754 -include separately, and handle -include by stacking a
2755 buffer for the file in question as if it'd been #included.
2756 * toplev.c (documented_lang_options) Recognize -H when
2759 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2761 * cpplib.c: Merge do_once into do_pragma. Break file handling
2762 code out of do_include.
2763 Move append_include_chain, deps_output,
2764 file_cleanup, redundant_include_p, import_hash,
2765 lookup_import, add_import, read_filename_string, read_name_map,
2766 open_include_file, finclude, safe_read to cppfiles.c.
2767 Move prototypes for deps_output, append_include_chain,
2768 finclude to cpplib.h. Move definition of struct
2769 file_name_list there also.
2771 * cppfiles.c: New file. Contains all the above functions
2772 broken out of cpplib.c; also hack_vms_include_specification
2773 from cccp.c and find_include_file, a new function broken out of
2776 * Makefile.in (cppmain): Depend on cppfiles.o.
2777 (fix-header): Likewise.
2778 (cppfiles.o): New target.
2779 * configure.in (--enable-c-cpplib): Add cppfiles.o to
2780 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
2782 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
2784 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
2785 if pending_types is non-zero.
2786 (dwarfout_finish): Verify pending_types is zero before finishing.
2788 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
2790 * expr.c (convert_move): Use shifts to perform the move if a
2791 suitable extend pattern cannot be found. Code written by
2792 Richard Henderson <rth@cygnus.com>.
2794 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2796 * regclass.c (renumber, regno_allocated): New static variables, moved
2797 out of allocate_reg_info.
2798 (allocate_reg_info): Move these two variables outside the function.
2799 Move code to free memory into new function free_reg_info.
2800 (free_reg_info): New function, broken out of allocate_reg_info.
2801 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
2802 * rtl.h (allocate_reg_info): Don't declare.
2803 (free_reg_info): Declare.
2805 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
2807 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
2809 * toplev.c (compile_file): Temporarily revert last change.
2811 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2813 * c-typeck.c (convert_for_assignment): Parenthesize.
2815 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2817 * reload1.c (delete_output_reload): Avoid ambigous else.
2819 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
2821 * toplev.c (compile_file): Call allocate_reg_info to free register
2823 * rtl.h (allocate_reg_info): Declare.
2825 * PROJECTS: Remove entry for local spilling.
2827 * final.c (cleanup_subreg_operands): New function.
2828 (final_scan_insn): Use it.
2829 (alter_subreg): Clear the "used" field when we turn a SUBREG into
2831 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
2832 operands when reload has finished.
2833 * reload.h (cleanup_subreg_operands): Declare..
2834 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
2835 reload. Handled in reload itself.
2837 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2839 * reload1.c (verify_initial_offsets): New function.
2840 (reload): Call it after reload_as_needed. Also verify that the frame
2841 size stays constant during reload_as_needed.
2842 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
2844 * reload.h (struct insn_chain): Add need_operand_change element.
2845 * reload1.c (new_insn_chain): Clear it.
2846 (calculate_needs_all_insns): Set it; don't overload need_reload.
2847 (reload_as_needed): Use it.
2849 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
2850 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
2851 and reload_address_index_reg_class.
2852 (find_reloads_address_1): Likewise.
2853 * reload.h (reload_address_base_reg_class,
2854 reload_address_index_reg_class): Don't declare.
2855 * reload1.c (reg_old_renumber, pseudo_previous_regs,
2856 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
2857 (used_spill_regs): Now static.
2858 (reload_address_base_reg_class, reload_address_index_reg_class,
2859 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
2860 basic_block_needs, max_needs, group_size, group_mode, max_groups,
2861 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
2864 (init_reload): Delete code to compute base/index reg classes.
2865 (reload): Delete variable J.
2866 Delete code to manage basic_block_needs.
2867 Don't compute regs_explicitly_used.
2868 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
2869 pseudo_previous_regs.
2870 Initialize bad_spill_regs_global.
2871 Don't call order_regs_for_reload here.
2872 Don't initialize spill_reg_order and n_spills.
2873 Don't forbid explicitly used regs to be used for spill regs.
2874 Change main loop to infinite loop, with explicit break statements.
2875 Make SOMETHING_CHANGED variable local to that loop.
2876 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
2877 max_groups_insn, max_nongroups_insn, group_size, group_mode.
2878 Make sure spilled_speudos is cleared before calling spill_hard_reg or
2880 Don't call dump_needs.
2881 Delete code to reset potential_reload_regs.
2882 Delete code to terminate loop conditional on the global needs variables
2883 showing no further needs.
2884 (calculate_needs_all_insns): Return void. All callers changed.
2885 Initialize somehing_needs_elimination here, not in reload.
2886 Delete avoid_return_reg kludge.
2887 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
2888 All callers changed.
2889 Initialize the group_mode and group_size elements of the arg CHAIN.
2890 Delete code to manage basic_block_needs.
2891 Operate on elements of CHAIN instead of global variables.
2892 Delete avoid_return_reg kludge.
2893 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
2894 All callers changed.
2895 Operate on elements of CHAIN instead of global variables.
2896 Delete special SMALL_REGISTER_CLASSES code.
2897 Delete spill_failure code; now in new_spill_reg.
2898 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
2899 All callers changed.
2900 Operate on elements of CHAIN instead of global variables.
2901 (maybe_mark_pseudo_spilled): New static function.
2902 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
2903 All callers changed.
2904 Operate on elements of CHAIN instead of global variables.
2905 Call order_regs_for_reload here, not in reload.
2906 Initialize spill_reg_order and n_spills.
2907 Simplify test whether an asm insn is involved.
2908 Delete spill_failure code; now in new_spill_reg.
2909 Call maybe_mark_pseudo_spilled for everything marked as live in
2910 CHAIN. Merge CHAIN's used_spill_regs into the global variable
2912 (dump_needs): Take CHAIN arg. No longer static, to prevent the
2913 compiler from optimizing this function (now unused) away.
2914 Operate on elements of CHAIN instead of global variables.
2915 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
2917 Operate on elements of CHAIN instead of global variables.
2918 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
2919 take CHAIN arg. All callers changed.
2920 Operate on elements of CHAIN instead of global variables.
2921 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
2922 CHAIN, NONGROUP args. Return void. All callers changed.
2923 Verify caller isn't trying to spill a pseudo.
2924 Simplify test for illegal reg, just use bad_spill_regs.
2925 Generate better error messages.
2926 Operate on elements of CHAIN instead of global variables.
2927 Mark spilled register in CHAIN's used_spill_regs element.
2928 Don't call spill_hard_reg.
2929 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
2930 Mark spilled hard regs in bad_spill_regs_global.
2931 Mark affected pseudos in spilled_pseudos, but don't spill them.
2932 (ior_hard_reg_set): New static function.
2933 (finish_spills): Return int. All callers changed.
2934 Compute spill_reg_order, n_spills and spill_regs here. Also update
2935 regs_ever_live for regs used as spills.
2936 For every pseudo in spilled_pseudos, spill it and mark the previous
2937 hard reg it had in pseudo_previous_regs. Compute which hard regs
2938 arseudo): New static function.
2939 (order_regs_for_reload): Take CHAIN arg. All callers changed.
2940 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
2941 hard registers explicitly used across the current insn into the set.
2942 Compute hard_reg_n_uses taking only pseudos live across this insn
2944 Tweak sorting of potential_reload_regs.
2945 (compare_spill_regs): Delete function.
2946 (reload_as_needed): Don't sort the spill_regs array, it's computed
2947 in proper order in finish_spills.
2948 Delete avoid_return_reg kludge.
2949 Delete code to manage basic_block_needs.
2950 (allocate_reload_reg): Minor speed/readability tweaks.
2951 Operate on elements of CHAIN instead of global variables.
2952 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
2953 Delete avoid_return_reg kludge.
2954 Initialize reload_reg_used from CHAIN's used_spill_regs element.
2955 Delete unused label FAIL.
2956 (reload_combine): Replce reload_address_index_reg_class with
2958 Don't use used_spill_regs to determine information about lifetime of
2961 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
2963 * toplev.c (display_help): Ignore empty target specific
2964 options, and if -W is also specified on the command line then
2965 display undocumented options.
2967 * config/arm/arm.c: Updated with changes in devo sources.
2968 * config/arm/arm.h: Updated with changes in devo sources.
2969 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
2970 * config/arm/lib1thumb.asm: Add ELF support.
2972 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
2974 * collect2.c (aix64_flag): New variable.
2975 (main, case 'b'): Parse it.
2976 (GCC_CHECK_HDR): object magic number must match mode.
2977 (scan_prog_file): Only check for shared object if valid header.
2978 Print debugging if header/mode mismatch.
2980 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
2982 Added support for arm-elf-linux configuration, submitted by Philip
2983 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
2984 code developed by Catherine Moore <clm@cygnus.com>. The following
2987 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
2990 * configure: Regenerated.
2992 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
2993 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
2994 definitions conditional on their not having been already defined.
2996 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
2997 and .type directives, and add "(PLT)" qualification to function
3000 * config/arm/linux.h: Deleted. This file is now superceeded by
3001 either linux-elf.h or linux-aout.h.
3003 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
3004 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
3006 Move definitions from old linux.h file here.
3008 * config/arm/elf.h: New file. Generic ARM/ELF support.
3010 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
3012 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
3014 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
3015 using the 26bit APCS.
3017 * config/arm/unknown-elf.h: New file. Support for OS'es other
3018 than Linux with ELF.
3020 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
3023 * config/arm/coff.h: Include aout.h for basic assembler macros.
3024 Add support for -mstructure_size_boundary=<n> command line option.
3026 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
3027 command line option. Make macro definitions conditional on their
3028 not having been already defined.
3030 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
3031 command line option.
3034 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
3036 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
3037 has been changed to not include a newline. Use this macro instead.
3038 (output_enumeral_list, const_value_attribute, name_attribute,
3039 comp_dir_attribute, prototyped_attribute, producer_attribute,
3040 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
3041 dwarfout_file_scope_decl, generate_new_sfname_entry,
3042 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
3043 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
3045 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
3047 * combine.c (subst): Process the inputs to a parallel asm_operands
3050 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
3052 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
3054 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
3056 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
3058 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
3060 * version.c: Bump for snapshot.
3062 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
3064 * stmt.c (expand_fixup): Set fixup->before_jump to a
3065 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
3067 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3069 * Makefile.in (recog.o): Depend on toplev.h.
3070 (insn-emit.o): Depend on recog.h.
3071 (insn-peep.o): Depend on recog.h and insn-config.h.
3073 * combine.c (simplify_set): Remove unused variable `scratches'.
3075 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
3076 and `idx' in macro conditional controlling their use.
3078 * genemit.c (main): Make the generated output file include
3079 recog.h. Don't have it declare `insn_operand_constraint', since
3080 we get it from recog.h.
3082 * genpeep.c (main): Make the generated output file include
3083 insn-config.h and recog.h.
3085 * recog.c: Include toplev.h.
3086 (extract_insn): Remove unused variable `p'.
3088 * regclass.c (fix_register): Add missing braces around initializer
3090 (allocate_reg_info): Move variable `i' into the scope where it is
3091 used. Change its type to `size_t'.
3093 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3095 * reload.c (push_reload): When merging reloads, make sure
3096 that reload_in_reg and reload_in are from the same reload in
3099 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
3101 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
3102 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3104 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
3106 * loop.c (loop_has_tablejump): New variable.
3107 (prescan_loop): Scan for it.
3108 (insert_bct): Replace explicit scan with use of it.
3109 * regclass.c (regclass): Restore loop variable j.
3110 (record_reg_classes): Deterine op_types modifiers and initialize
3111 classes[i] before matching constraints. Handle matching
3114 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
3116 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
3119 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3121 * mips.h (EXTRA_SPECS): Add missing initializers.
3123 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3125 * sparc.h (EXTRA_SPECS): Add missing initializers.
3126 (sparc_defer_case_vector): Provide a prototype.
3128 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
3129 comparing it to the result of a pointer subtraction.
3131 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3133 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
3134 the argument to (unsigned char).
3136 * alpha.h (EXTRA_SPECS): Add missing initializers.
3137 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
3140 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
3142 * flow.c (life_analysis_1): Enable "rescan" code after reload.
3143 (propagate_block): Delete dead code after reload.
3145 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
3146 back Oct 15, 1998 change.
3147 * haifa-sched.c (update_flow_info): Likewise.
3148 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
3150 * mn10200.md (truncated shift): Accept constant inputs too.
3152 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
3154 * machmode.h (mode_mask_array): No longer const.
3155 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
3157 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3159 * frame.c: Somewhat explain `FDE'.
3160 Suggested by Brendan Kehoe
3162 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
3164 * expr.c (pending_chain): Move up.
3165 (save_expr_status): Do save pending_chain.
3166 (restore_expr_status): And restore it.
3167 * function.h (struct function): Add pending_chain.
3169 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3171 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
3172 did not match the code.
3174 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3176 * regclass.c (regclass): Break out some code into new function
3177 scan_one_insn, and into regclass_init.
3178 (init_cost): New static variable, moved out of regclass.
3179 (regclass_init): Initialize it here, not in .
3180 (scan_one_insn): New static function, broken out of regclass.
3181 * recog.c (apply_change_group): Break out some code into new
3182 function insn_invalid_p.
3183 (insn_invalid_p): New static fn, broken out of apply_change_group.
3185 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
3187 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
3188 reg_reloaded_contents matches incremented pseudo.
3190 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
3192 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3194 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
3195 addressing modes with side effects. These are currently
3196 placeholders for the C4x target.
3198 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3200 * loop.c (express_from): Make sure that when generating a PLUS of
3201 a PLUS, any constant expression appears on the outermost PLUS.
3203 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
3205 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
3206 works if "$(srcdir)" != ".".
3208 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
3210 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
3211 existing SUBREG if we can, otherwise abort.
3213 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
3215 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
3216 `restrict' is applied to a non-pointer variable.
3218 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
3220 * invoke.texi: Document -flang-isoc9x.
3222 * Makefile.in (OBJS): Add splay-tree.o.
3223 (c-common.o): Depend on rtl.h.
3224 (splay-tree.o): List dependencies and provide build rule.
3226 * rtl.h (record_alias_subset): New function.
3227 * alias.c: Include splay-tree.h.
3228 (alias_set_entry): New type.
3229 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
3230 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
3231 (mems_in_disjoin_alias_sets_p): New function.
3232 (alias_set_compare): Likewise.
3233 (insert_subset_children): Likewise.
3234 (get_alias_set_entry): Likewise.
3236 * tree.h (TYPE_RESTRICT): New macro.
3237 (TYPE_UNQUALIFIED): New manifest constant.
3238 (TYPE_QUAL_CONST): Likewise
3239 (TYPE_QUAL_VOLATILE): Likewise.
3240 (TYPE_QUAL_RESTRICT): Likewise.
3241 (tree_type): Add restrict_flag. Reduce count of free bits.
3242 (DECL_POINTER_ALIAS_SET): New macro.
3243 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
3244 (tree_decl): Add pointer_alias_set.
3245 (build_qualified_type): New function.
3246 (build_type_variant): Define in terms of build_qualified_type.
3247 * tree.c (set_type_quals): New function.
3248 (make_node): Initializae DECL_POINTER_ALIAS_SET.
3249 (build_type_attribute_variant): Use build_qualified_type and
3251 (build_type_variant): Rename, and modify, to become...
3252 (build_qualified_type): New function.
3253 (build_complex_type): Use set_type_quals.
3255 * c-tree.h (C_TYPE_OBJECT_P): New macro.
3256 (C_TYPE_FUNCTION_P): Likewise.
3257 (C_TYPE_INCOMPLETE_P): Likewise.
3258 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
3259 (c_apply_type_quals_to_decl): New function.
3260 (c_build_qualified_type): New function.
3261 (c_build_type_variant): Define in terms of c_build_qualified_type.
3262 (flag_isoc9x): Declare.
3263 * c-typeck.c (qualify_type): Use c_build_qualified_type.
3264 (common_type): Change to use TYPE_QUALS.
3265 (comptypes): Likewise.
3266 (convert_for_assignment): Likewise.
3267 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
3268 * c-decl.c (flag_isoc9x): Define.
3269 (c_decode_option): Handle -flang-isoc9x.
3270 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
3271 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
3272 * c-lex.c (init_lex): Deal with restrict.
3273 (init_lex): Don't treat restrict as a reserved word in
3274 -traditional mode, or without -flang-isoc9x.
3275 * c-lex.h (rid): Add RID_RESTRICT.
3276 * c-parse.gperf (restrict, __restrict, __restrict__): Make
3277 equivalent to RID_RESTRICT.
3278 * c-parse.in (TYPE_QUAL): Update comment.
3279 * c-common.c: Include rtl.h.
3280 (c_find_base_decl): New function.
3281 (c_build_type_variant): Rename, and modify, to become ...
3282 (c_build_qualified_type): New function.
3283 (c_apply_type_quals_to_decl): Likewise.
3284 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
3285 a particular alias set for the reference.
3286 * toplev.c (documented_lang_options): Add -flang-isoc9x.
3288 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
3290 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
3291 command line switches.
3293 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
3295 * reload.c (loc_mentioned_in_p): Add missing braces to bind
3298 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
3300 * gcc.c (option_map): Added --classpath and --CLASSPATH.
3302 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
3304 * regclass.c (fix_register): Add error message.
3305 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
3308 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3310 * c-decl.c (warn_missing_noreturn): New global variable.
3311 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
3312 (finish_function): Implement missing noreturn warning.
3314 * c-tree.h (warn_missing_noreturn): Declare extern.
3316 * invoke.texi: Document new flags.
3318 * toplev.c (documented_lang_options): Add description.
3320 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3322 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
3323 loop optimization stable for the C4x.
3324 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
3325 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
3326 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
3328 (c4x_address_conflict): Be more paranoid when packing a volatile
3329 memref in a parallel load/store.
3331 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3333 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
3334 repeat_block_filler): Deleted.
3335 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
3336 Condition code not set if destination register from 'c' class.
3337 (*subbqi3_carry_clobber): Fix typo.
3339 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3341 * reorg.c (steal_delay_list_from_target) Check for insns that
3342 modify the condition codes and effect the direction of the jump
3345 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3347 * function.c (purge_addressof_1): Replace call to
3348 emit_insns_before() with emit_insn_before().
3350 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
3352 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
3354 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3356 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3358 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3360 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3361 clobbered across calls.
3363 * loop.c (scan_loop): Be more selective about what invariants are
3364 moved out of a loop.
3366 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
3368 * version.c: Bump for snapshot.
3370 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3372 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
3373 static eh_context structure.
3375 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3377 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
3379 (try_combine): Don't update max_scratch.
3380 * flow.c (max_scratch, num_scratch): Delete variables.
3381 (life_analysis_1): Don't initialize max_scratch.
3382 (propagate_block): Don't update max_scratch.
3383 (mark_set_1): Don't increment num_scratch.
3384 * regs.h (max_scratch): Delete declaration.
3386 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
3388 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
3389 is nonzero. This is temporary!
3391 * sched.c (update_flow_info): Handle death notes made invalid by
3392 instruction splitting. Partially reverts Oct 15, 1998 patch.
3393 * haifa-sched.c (update_flow_info): Likewise.
3395 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
3397 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
3398 if it has a nonzero DECL_INITIAL.
3400 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3402 * Makefile.in (flow.o): Depend on recog.h.
3404 * cpplib.h (directive_table): Add missing initializiers.
3405 (finclude): Change type of variable `bsize' to size_t.
3407 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
3409 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
3411 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
3412 `int' when comparing against one.
3413 (cpp_file_line_for_message): Mark parameter `pfile' with
3415 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
3417 * flow.c: Include recog.h.
3418 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
3420 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
3421 `f' with ATTRIBUTE_UNUSED.
3422 (reposition_prologue_and_epilogue_notes): Likewise.
3424 * genopinit.c (gen_insn): Cast argument of ctype functions to
3427 * haifa-sched.c: Include recog.h.
3428 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
3429 comparing against one.
3431 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
3433 * mips-tfile.c (parse_end): Cast the argument of ctype function to
3435 (parse_ent): Likewise.
3436 (parse_input): Likewise.
3438 * optabs.c (init_libfuncs): Likewise.
3440 * protoize.c (find_rightmost_formals_list): Likewise.
3442 * recog.h (const_double_operand): Fix typo in prototype.
3444 * tlink.c (scan_linker_output): Cast the argument of ctype
3445 function to `unsigned char'.
3447 * toplev.c (check_lang_option): Cast the result of `strlen' to
3448 `int' when comparing against one.
3450 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3452 * gcse.c (dump_cuid_table): Correct typo.
3454 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
3456 * toplev.c (display_help): Prepend '-m' to target specific
3458 (check_lang_option): Ignore text after end of first word of a
3459 language specific option.
3461 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3463 * reload1.c (reg_used_by_pseudo): New static variable.
3464 (choose_reload_regs): Initialize it.
3465 Use it instead of testing spill_reg_order to determine whether a
3466 pseudo is live in a hard register across the current insn.
3467 Fix a typo in a reference to reload_reg_rtx.
3469 * flow.c (propagate_block): Replace code that computes and uses
3470 regs_sometimes_live with simpler code that just walks the set of
3471 currently live registers.
3473 * Makefile.in (insn-extract.o): Fix dependencies.
3474 * genextract.c (main): Generate includes for insn-config.h and
3476 Delete generation of declarations which are now in recog.h.
3477 * genrecog.c (main): Delete generation of definitions which are
3479 * local-alloc.c (block_alloc): Use extract_insn and the variables
3480 it sets up instead of looking up values by insn_code.
3481 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
3482 recog_dup_num): Define here instead of generating the definition in
3484 (recog_n_operands, recog_n_dups, recog_n_alternatives,
3485 recog_operand_mode, recog_constraints, recog_operand_address_p):
3487 (extract_insn): New function.
3488 * recog.h (extract_insn): Declare function.
3489 (which_alternative, recog_n_operands, recog_n_dups,
3490 recog_n_alternatives, recog_operand_mode, recog_constraints,
3491 recog_operand_address_p): Declare variables.
3492 * regclass.c (n_occurrences): New static function.
3493 * reload.c (n_occurrences): Delete function.
3494 (find_reloads): Use extract_insn.
3495 * reload.h (n_occurrences): Delete declaration.
3497 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
3499 * reload1.c (reload_as_needed): Fix test for when to call
3500 update_eliminable_offsets.
3502 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3504 Fix consistency problems with reg_equiv_{mem,address};
3505 Improve reload inheritance;
3507 * reload.c (reload_out_reg): New variable.
3508 (loc_mentioned_in_p, remove_address_replacements): New functions.
3509 (remove_replacements): Deleted.
3510 (push_reload): Set reload_out_reg[i].
3511 When merging, also set reload_{in,out}_reg[i], and remove
3512 duplicate address reloads.
3513 (combine_reloads): Copy reload_out_reg[i].
3514 (find_reloads): Do make_memloc substitution also when
3515 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3517 Include *recog_operand_loc in commutativity operand changes.
3518 Generate optional output reloads.
3519 Delete reference to n_memlocs. Don't set *recog_operand_loc before
3520 processing operands. Call make_memloc in reg_equiv_address code.
3521 Set *recog_operand_loc only after processing operands, and only
3522 if replace is true. Return a value.
3523 When changing address reload types for operands that didn't get
3524 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
3525 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
3526 Don't emit USEs for pseudo SUBREGs when not replacing.
3527 (find_reloads_address): Do make_memloc substitution also when
3528 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3530 (find_reloads_toplev): Likewise.
3531 Call make_memloc in reg_equiv_address code.
3532 (debug_reload_to_stream): Add code to output reload_out_reg.
3533 (make_memloc): Delete local variable i, ifdefed out code, and
3534 references to memlocs and n_memlocs.
3535 (memlocs, n_memlocs): Delete.
3536 (push_secondary_reload): Clear reload_out_reg.
3537 (find_reloads_address_1): Provide memrefloc argument to all calls
3538 to find_reloads_address.
3539 In AUTO_INC code, handle non-directly addressable equivalences properly.
3540 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
3541 (find_reloads): Add return type.
3542 (remove_address_replacements, deallocate_reload_reg): Declare.
3543 * reload1.c (num_not_at_initial_offset): No longer static.
3544 (delete_address_reloads, delete_address_reloads_1): Likewise.
3545 (deallocate_reload_reg): New function.
3546 (spill_reg_stored_to): New array.
3547 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
3548 (eliminate_regs_in_insn): Move assignments of previous_offset and
3549 max_offset fields, and recalculation of num_not_at_initial_offset
3550 into new static function:
3551 (update_eliminable_offsets) .
3552 (reload_as_needed): Call update_eliminable_offsetss after calling
3554 Call forget_old_reloads_1 with contents of reloaded auto_inc
3555 expressions if the actual addressing can't be changed to match the
3557 (choose_reload_regs): For inheritance, replace
3558 reload_reg_free_before_p test with reload_reg_used_at_all test, and
3559 remove stand-alone reload_reg_used_at_all test.
3560 Use reload_out_reg to determine which reload regs have output reloads.
3561 Treat reload_override_in more similar to inherited reloads.
3562 Handle (subreg (reg... for inheritance.
3563 For flag_expensive_optimizations, add an extra pass to remove
3564 unnecessary reloads from known working inheritance.
3565 Delete obsolete code for pseudos replaced with MEMs.
3566 Handle inheritance from auto_inc expressions.
3567 (emit_reload_insns): If reload_in is a MEM, set OLD to
3569 Don't reload directly from oldequiv; if it's a pseudo with a
3570 stack slot, use reload_in[j].
3571 Check that reload_in_reg[j] is a MEM before replacing reload_in
3572 from reg_reloaded_contents.
3573 Include non-spill registers in reload inheritance processing.
3574 Also try to use reload_out_reg to set spill_reg_store /
3575 reg_last_reload_reg.
3576 In code to set new_spill_reg_store, use single_set to find out if
3577 there is a single set.
3578 Add code that allows to delete optional output reloads.
3579 Add code to allow deletion of output reloads that use no spill reg.
3580 At the end, set reload_override_in to oldequiv.
3581 Also call delete_output_reload if reload_out_reg is equal to old
3583 Add code to call delete_output_reload for stores with no matching load.
3584 Set / use spill_reg_stored_to.
3585 Handle case where secondary output reload uses a temporary, but
3586 actual store isn't found.
3587 When looking for a store of a value not loaded in order to call
3588 delete_output_reload, count_occurences should return 0 for no
3589 loads; but discount inherited input reloadill_reg_stored_to.
3590 Do checks for extra uses of REG. Changed all
3592 Use delete_address_reloads.
3593 (reload): Take return value of find_reloads into account.
3594 If a no-op set needs more than one reload, delete it.
3595 (reload_reg_free_before_p): RELOAD_FOR_INPUT
3596 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
3597 for the same operand.
3598 (clear_reload_reg_in_use): Check for other reloads that keep a
3600 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
3601 RELOAD_FOR_OPADDR_ADDR.
3602 Take into account when an address address reload is only needed
3603 for the address reload we are considering.
3604 (count_occurrences): Use rtx_equal_p for MEMs.
3605 (inc_for_reload): Return instruction that stores into RELOADREG.
3606 New argument two, IN, and rtx. Changed all callers.
3607 (calculate_needs_all_insns, reload_as_needed):
3608 Don't clear after_call for a CLOBBER.
3609 Keep track of how many hard registers need to be copied from
3610 after_call, and don't clear after_call before we have seen
3611 that much copies, or we see a different instruction.
3613 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
3615 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
3616 after reload has completed.
3618 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
3620 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
3621 a macro name and the next token with a single blank if that whitespace
3622 is in a macro buffer and the next token is not '('.
3624 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
3626 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
3628 (skip_if_group): Ditto.
3629 (skip_to_end_of_comment): Ditto.
3631 (discard_comments): Ditto.
3632 (change_newlines): Ditto.
3634 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
3636 * c-lex.c (yylex): Fix unaligned access of wchar_t.
3638 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
3640 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
3641 (TARGET_OPTIONS): Add --help documentation.
3643 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3645 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
3647 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
3649 * fixinc/* Moved in from ../contrib directory in preparation
3650 for integrating it into the normal build process. In particular,
3651 fixinc/Makefile.in must be config-ed into the build directory
3652 as fixinc/Makefile. Proposed patches to ./Makefile.in and
3653 ./configure.in will be "in the mail" momentarily.
3655 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
3657 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
3658 accidently walk into the free list. Comment how that can happen.
3659 (invalidate): Fix indentation.
3661 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3662 Jeffrey A Law (law@cygnus.com)
3664 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
3665 reload. Never perform rescans of the insn chain after reload.
3666 (propagate_block): Do not delete insn or create new autoinc addressing
3669 * jump.c (jump_optimize): Unconditionally use the code that was
3670 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
3671 * reload1.c (reload): When reloading is finished, delete all
3672 REG_DEAD and REG_UNUSED notes.
3673 (emit_reload_insns): Delete all code that was conditional on
3674 PRESERVE_DEATH_INFO_REGNO_P.
3675 (no_longer_dead_regs): Delete variable.
3676 (reload_cse_delete_death_notes): Delete function.
3677 (reload_cse_no_longer_dead): Delete function.
3678 (reload_cse_regs_1): Delete all code to handle deletion of death
3680 (reload_cse_noop_set_p): Likewise.
3681 (reload_cse_simplify_set): Likewise.
3682 (reload_cse_simplify_operands): Likewise.
3683 (reload_cse_move2add): Likewise.
3684 * reorg.c (used_spill_regs): Delete declaration.
3685 (max_label_num_after_reload): Delete declaration.
3686 (find_dead_or_set_registers): Don't assume that spill regs are
3687 dead at a CODE_LABEL.
3688 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
3690 * sched.c (sched_analyze_insn): Likewise.
3691 (update_flow_info): Likewise.
3692 * haifa-sched.c (sched_analyze_insn): Likewise.
3693 (update_flow_info): Likewise.
3694 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
3695 * toplev.c (max_label_num_after_reload): Delete variable.
3696 (rest_of_compilation): Don't set max_label_num_after_reload.
3697 Call life_analysis after reload_cse_regs if optimizing.
3698 * config/gmicro/gmicro.h: Delete comment referring to
3699 PRESERVE_DEATH_INFO_REGNO_P.
3700 * config/i386/i386.h: Likewise.
3701 * config/m88k/m88k.h: Likewise.
3702 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
3703 * config/sh/sh.h: Likewise.
3705 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
3707 * loop.c (strength_reduce): Restore marking bct_p as
3709 * rs6000.c (optimization_options): Change #ifdef HAIFA to
3710 HAVE_decrement_and_branch_on_count.
3711 (small_data_operand): Remove TARGET_ELF condition for marking
3712 parameters ATTRIBUTE_UNUSED.
3714 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
3716 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
3717 (SELECT_SECTION): Resync with svr4.h.
3719 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
3721 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
3724 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
3726 * c-pragma.c (handle_pragma_token): Test for null tree before
3727 dereferencing TREE_CODE.
3729 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3731 * config/c4x/c4x.c: Convert to use GEN_INT.
3732 (c4x_parallel_process): Rework to handle new repeat loop structure.
3734 * config/c4x/c4x.md: Convert to use GEN_INT.
3735 (rptb_end): Convert to use GE test. Replace uses with clobbers.
3736 (decrement_and_branch_on_count): Likewise.
3738 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
3739 loop.c has the desired functionality.
3740 (rc_reg_operand): New prototype.
3742 * config/c4x/t-c4x: Can now build all front ends.
3744 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
3746 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
3748 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
3750 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
3751 * config/t-rtems: Do not install assert.h -- use newlib's.
3753 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3755 * combine.c (combine_instructions): When finished, call init_recog.
3756 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
3758 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
3760 * toplev.c: If flag_syntax_only, don't open or write assembler file.
3762 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3764 * cppalloc.c (memory_full): Mark function prototype with
3767 * demangle.h (collect_exit): Likewise.
3769 * fix-header.c (v_fatal, fatal): Likewise.
3771 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
3774 * gcov.c (print_usage): Likewise.
3776 * genattr.c (fatal, fancy_abort): Likewise.
3778 * genattrtab.c (fatal, fancy_abort): Likewise.
3780 * gencodes.c (fatal, fancy_abort): Likewise.
3782 * genconfig.c (fatal, fancy_abort): Likewise.
3784 * genemit.c (fatal, fancy_abort): Likewise.
3786 * genextract.c (fatal, fancy_abort): Likewise.
3788 * genflags.c (fatal, fancy_abort): Likewise.
3790 * genopinit.c (fatal, fancy_abort): Likewise.
3792 * genoutput.c (fatal, fancy_abort): Likewise.
3794 * genpeep.c (fatal, fancy_abort): Likewise.
3796 * genrecog.c (fatal, fancy_abort): Likewise.
3798 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
3799 __sjpopnthrow, __throw): Likewise.
3801 * objc/objc-act.c (objc_fatal): Likewise.
3803 * protoize.c (usage, aux_info_corrupted,
3804 declare_source_confusing): Likewise.
3806 * rtl.c (dump_and_abort): Likewise.
3808 * rtl.h (sets_cc0_p): Likewise.
3810 * toplev.c (float_signal, pipe_closed): Likewise.
3812 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3814 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
3815 when generating the decision tree for the general case.
3817 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
3818 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
3820 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3822 * Makefile.in (sched.o): Depend on recog.h.
3824 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
3825 (unsigned) when comparing against one.
3826 (find_base_value): Likewise.
3827 (record_base_value): Cast variable `regno' to (unsigned) when
3828 comparing against one. Cast the result of REGNO() macro to
3829 (unsigned) when comparing against one.
3830 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
3832 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
3833 variable where an unsigned index is needed.
3835 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
3836 before comparing against one.
3838 * collect2.c: Add prototypes for functions `error', `fatal' and
3839 `fatal_perror'. Make these functions take variable arguments
3840 instead of faking it with a fixed number of args.
3841 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
3844 * combine.c (can_combine_p): Mark parameter `pred' with
3846 (find_split_point): Cast variable `src' to (unsigned
3847 HOST_WIDE_INT) when comparing against one.
3848 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
3849 (simplify_logical): Likewise.
3850 (force_to_mode): Cast result of INTVAL() macro to (unsigned
3851 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
3852 HOST_WIDE_INT) in shift.
3853 (simplify_and_const_int): Cast result of INTVAL() macro to
3854 `unsigned HOST_WIDE_INT' when comparing against one.
3855 (merge_outer_ops): Cast variable const0 to `unsigned
3856 HOST_WIDE_INT' when comparing against the result of
3857 GET_MODE_MASK() macro.
3858 (simplify_comparison): Likewise for variable `c0'. Cast variable
3859 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
3860 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
3861 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
3862 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
3863 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
3864 comparing against one.
3865 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
3867 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
3868 macro to `unsigned HOST_WIDE_INT' when comparing against one.
3869 (output_block_move): Cast `sizeof' expression to (int) when
3870 comparing against one.
3871 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
3873 (save_restore_insns): Cast `base_offset' to `long' to match format
3874 specifier in fprintf.
3876 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
3877 to `enum machine_mode'.
3879 * flow.c (life_analysis_1): Remove unused variable `insn'.
3881 * gcc.c (translate_options): Move variables `j' and `k' into the
3882 scope in which they are used. Change their types to `size_t'.
3883 (set_spec): Cast the argument of ctype macro to `unsigned char'.
3884 (read_specs): Likewise.
3885 (process_command): Cast `sizeof' to (int) when comparing against one.
3886 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
3887 (handle_braces): Cast both sides of `==' expression to `long' to
3888 ensure sign matching.
3889 (main): Cast variable `i' to `int' when comparing against one.
3891 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
3892 int to size_t. Cast variable `i' to size_t when comparing against
3895 * genattrtab.c (convert_set_attr_alternative): Remove unused
3896 parameter `insn_code'. All callers changed.
3897 (convert_set_attr): Likewise.
3899 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
3900 size_t when comparing against one. Likewise for variable `len'.
3902 * global.c (global_alloc): Cast variable `max_regno' to size_t
3903 when comparing against one. Likewise for variable `max_allocno'.
3905 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
3907 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
3908 `set' with ATTRIBUTE_UNUSED.
3909 (find_free_reg): Cast `sizeof' expression to (int) when comparing
3912 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
3913 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
3914 (get_condition): Cast variable `const_val' to `unsigned
3915 HOST_WIDE_INT' when comparing against one. Cast unsigned
3916 expression to HOST_WIDE_INT when comparing against one.
3917 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
3918 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
3919 `unsigned' when comparing against one.
3921 * protoize.c (is_id_char): Change type of parameter `ch' to
3923 (munge_compile_params): Cast argument of ctype macro to (const
3925 (process_aux_info_file): Cast variable `aux_info_size' to int when
3926 comparing against one.
3927 (forward_to_next_token_char): Cast argument of ctype macro to
3928 `const unsigned char'.
3929 (edit_formals_lists): Likewise.
3930 (find_rightmost_formals_list): Likewise.
3931 (add_local_decl): Likewise.
3932 (add_global_decls): Likewise.
3933 (edit_fn_definition): Likewise.
3934 (do_cleaning): Likewise.
3935 (scan_for_missed_items): Likewise.
3936 (edit_file): Cast variable `orig_size' to (int) when comparing
3938 (main): Cast argument of ctype macro to `const unsigned char'.
3940 * recog.c (const_int_operand): Mark parameter `mode' with
3943 * regclass.c (record_reg_classes): Change type of variable `c' to
3944 `unsigned char'. Cast `char' array index to `unsigned char'.
3946 * reload.c (push_secondary_reload): Cast argument to
3947 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
3949 * reload1.c (calculate_needs): Cast `char' array index to
3951 (set_label_offsets): Change type of variable `i' to unsigned int.
3952 Cast result of XVECLEN() macro to unsigned when comparing against
3954 (mark_not_eliminable): Change type of variable `i' to unsigned.
3955 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
3956 when comparing against one.
3957 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
3958 comparing against one.
3959 (choose_reload_regs): Hide unused label `fail'.
3960 (reload_cse_simplify_operands): Cast `char' array index to
3962 (reload_combine_note_store): Mark parameter `set' with
3963 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
3965 (reload_cse_move2add): Remove unused variable `src2'.
3967 * sched.c: Include recog.h.
3968 (sched_note_set): Remove unused parameter `b'. All callers
3970 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
3971 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
3972 when comparing against one.
3974 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
3975 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
3976 comparing against one.
3978 * unroll.c (precondition_loop_p): Remove unused parameter
3979 `loop_end'. All callers changed.
3981 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3983 * reload1.c (maybe_fix_stack_asms): New static function.
3986 * reload.h (compute_use_by_pseudos): Declare.
3988 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
3989 (something_needs_reloads): Delete variable.
3990 (finish_spills): New function.
3991 (compute_use_by_pseudos): New function.
3993 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
3994 Use the reload_insn_chain instead of walking the rtl directly.
3996 (reload): Allocate and free spilled_pseudos.
3997 Ensure that all calls of spill_hard_reg are followed by a call to
3999 Use the insns_need_reload list instead of something_needs_reloads
4000 to find out if reload_as_needed must be called.
4001 Clear unused_insn_chains at the end.
4003 (calculate_needs_all_insns): Lose FIRST parameter. All callers
4005 Delete code to keep track of current basic block.
4006 Walk reload_insn_chain instead of the rtl structure. Build the
4007 insns_need_reload chain.
4008 Remember which insns need reloading/elimination by setting the
4009 appropriate fields in struct insn_chain, not by putting modes on the
4012 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
4013 arg INSN. All callers changed.
4014 Delete declaration of struct needs.
4015 Don't set something_needs_reloads.
4016 Record insn needs in the CHAIN argument.
4018 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
4020 (reload_as_needed): Lose FIRST arg. All callers changed.
4021 Walk the reload_insn_chain instead of the rtx structure.
4022 Delete code to keep track of current basic block.
4023 Rename one of the NEXT variables to OLD_NEXT.
4025 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
4027 (choose_reload_regs): Likewise.
4029 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
4032 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
4033 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
4034 (hard_regs_live, hard_regs_need_restore): Delete variables.
4035 (n_regs_saved): Now static.
4036 (referenced_regs, this_insn_sets): New variables.
4038 (setup_save_areas): Restructure the code a bit.
4040 (restore_referenced_regs): Delete function.
4041 (mark_referenced_regs): New function, similar to the old
4042 restore_referenced_regs, but mark registers in referenced_regs.
4044 (clear_reg_live): Delete function.
4045 (mark_set_regs): Renamed from set_reg_live. All callers changed.
4046 Only mark registers in this_insn_sets.
4048 (save_call_clobbered_regs): Rework this function to walk the
4049 reload_insn_chain instead of using the list of instructions directly.
4050 Delete code to keep track of register lives, compute live regs on the
4051 fly from information in the chain.
4052 Instead of calling restore_referenced_regs, use mark_referenced_regs,
4053 then walk the set it computes and call insert_restore as appropriate.
4055 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
4057 Restructure the code a bit. Test hard_regs_saved instead of
4058 hard_regs_need_restore.
4059 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
4060 args. All callers changed.
4061 Restructure the code a bit. Use TO_SAVE to determine which regs to
4062 save instead of more complicated test.
4063 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
4065 Create a new insn_chain structure for the new insn and place it
4068 * rtl.texi: Update documentation to reflect that reload no longer
4069 puts modes on the insns.
4071 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4073 * function.c (purge_addressof_1): Force the first argument of a
4074 CALL insn to memory.
4076 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
4078 * rtl.h: Delete duplicate prototypes. Add some missing
4080 * rtlanal.c: (for_each_rtx): Formatting tweak.
4082 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4084 * real.c (emdnorm and etoasc): Disable round to even for c4x target
4085 to be compatible with TI compiler.
4087 * Makefile.in (USER_H): Add va-c4x.h to definition.
4089 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
4091 * function.c (purge_addressof_1): Fix typo in inequality: do
4092 bitfield optimization for equal mode sizes.
4093 * expmed.c (store_bit_field): Don't take subregs of subregs in
4094 the movstrict case. Tidy a potential problem in the multi-word case.
4095 (extract_bit_field): Likewise.
4097 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4099 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
4101 Compute max_uid_for_flow by calling get_max_uid after the scan.
4102 (find_basic_blocks_1): Don't emit NOPs here.
4104 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
4106 * alias.c (base_alias_check): Accept new args for the modes of the
4107 two references. Use them to determine if an AND can overlap. Update
4109 (memrefs_conflict_p): Assume sizes are aligned, and uses them
4110 to determine if an AND can overlap.
4112 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
4114 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
4115 check. Add comment to document problems with TARGET_SUN_FPA version
4117 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
4119 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4121 * Makefile.in (gencheck.o): Depend on gansidecl.h.
4123 * c-common.c (print_char_table): Add missing initializers.
4124 (scan_char_table): Likewise.
4125 (time_char_table): Likewise.
4127 * c-decl.c (c_decode_option): Mark parameter `argc' with
4129 (declare_parm_level): Mark parameter `definition_flag' with
4132 * c-lex.c (readescape): Use `(unsigned)1' in shift.
4133 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
4136 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
4138 (emit_call_1): Mark parameters `fndecl' and `funtype' with
4140 (expand_call): Cast result of MIN() to (unsigned int) when
4141 comparing against an unsigned value.
4143 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
4145 (make_definition): Remove unused parameter `op'. All callers
4147 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
4148 comparing against the result of pointer arithmetic.
4150 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
4151 when comparing against one.
4153 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
4154 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
4156 (output_die): Move variable `i' into the scope in which it is
4157 used. Change its type to `unsigned'.
4158 (output_die): Cast the result of `strlen' to (int) when passing it
4159 to ASM_OUTPUT_ASCII().
4160 (output_pubnames): Likewise.
4161 (output_line_info): Likewise.
4163 * emit-rtl.c (global_rtl): Add missing initializers.
4165 * explow.c (promote_mode): Mark parameter `for_call' with
4168 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
4169 `unsigned HOST_WIDE_INT' when comparing against one.
4170 (synth_mult): Change type of variable `cost' to int.
4171 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
4173 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
4174 when comparing against one.
4175 (get_inner_reference): Change variable `alignment' to unsigned.
4176 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
4177 int) when comparing against one.
4178 (expand_builtin_setjmp): Change type of variable `i' to size_t.
4180 * fold-const.c (div_and_round_double): Cast BASE to
4181 (HOST_WIDE_INT) when comparing against one.
4183 * gencheck.c: Include gansidecl.h.
4184 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
4186 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
4187 `tcode' with ATTRIBUTE_UNUSED.
4189 * real.c (edivm): Cast constant value to (unsigned long) in
4190 expression compared against an unsigned value.
4192 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
4193 comparing against one.
4194 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
4195 when comparing against one.
4197 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
4198 (unsigned int) when comparing against one. Likewise for
4200 (smallest_mode_for_size): Likewise.
4201 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
4202 (restore_storage_status): Likewise.
4204 * toplev.c (debug_args): Add missing initializer.
4205 (f_options): Spelling correction. Add missing initializers.
4206 (documented_lang_options): Likewise.
4207 (debug_end_source_file): Mark parameter `lineno' with
4210 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
4211 `decl' and `type' with ATTRIBUTE_UNUSED.
4213 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
4214 when comparing against one.
4215 (assemble_variable): Mark parameter `top_level' with
4217 (assemble_external_libcall): Mark parameter `fun' with
4219 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
4222 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
4224 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
4225 Replace use of r5 with use of r19.
4227 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
4229 * config/v850/v850.c (compute_register_save_size): Allow for the
4230 fact that helper functions save all registers, not just those used
4233 Replace constant 31 with macro LINK_POINTER_REGNUM.
4235 * config/v850/v850.md: Use 'indirect_operand' rather than
4236 'memory_operand' for bit test/set/clear patterns.
4238 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
4240 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
4241 * varasm.c (assemble_start_function et al): Don't call
4242 ASM_GLOBALIZE_LABEL for weak symbols.
4244 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
4246 * cse.c (equiv_constant): Check for NULL return from
4247 gen_lowpart_if_possible().
4249 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
4251 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
4253 * collect2.c (main): Pass -EL/-EB through to the compiler.
4255 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4257 * expr.c (push_block): Handle targets where the stack grows
4258 to higher addresses, but args grow to lower addresses and
4259 ACCUMULATE_OUTGOING_ARGS is not defined.
4261 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
4263 * config/v850/v850.c (print_operand): Extend meaning
4264 of 'c' operands to support .vtinherit.
4266 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4268 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
4269 Added ATTRIBUTE_UNUSED to unused function arguments.
4270 (rc_reg_operand): New predicate.
4271 (c4x_rptb_insert): New function.
4272 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
4273 (c4x_optimization_options): New function.
4275 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
4276 (decrement_and_branch_on_count): New pattern.
4277 (rptb_top): Modified pattern to work with BCT optimization.
4279 * config/c4x/c4x.h (RC_REG): New register class.
4280 (rc_reg_operand): Define prototype.
4281 (IS_RC_REG): New macro.
4282 (IS_RC_OR_PSEUDO_REG): New macro.
4283 (IS_RC_OR_PSEUDO_REGNO): New macro.
4284 (OPTIMIZATION_OPTIONS): Define.
4286 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
4288 * collect2.c (extract_init_priority): No priority is 65535.
4290 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4292 * Makefile.in (build_tooldir): new variable, same as old
4293 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
4294 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
4295 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
4297 * configure.in (gxx_include_dir): set default based on unlibsubdir
4298 * Makefile.in (tooldir): ditto
4299 (cccp.o, cpplib.o): use unlibsubdir implicitly through
4300 gxx_include_dir, includedir and tooldir
4301 (protoize.o, unprotoize.o): ditto
4303 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
4305 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
4307 * config/arm/thumb.c (thumb_override_options): Add warning about
4308 PIC code not being supported just yet.
4310 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
4312 * flow.c: Update comment.
4313 (notice_stack_pointer_modification): New static function.
4314 (record_volatile_insns): Use it.
4315 (mark_regs_live_at_end): Mark the stack pointer as alive
4316 at the end of the function if current_function_sp_is_unchanging
4318 (life_analysis_1): Set current_function_sp_is_unchanging.
4319 * function.c: Define it.
4320 (init_function_start): Initialize it.
4321 * output.h: Declare it.
4322 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
4323 the stack pointer as alive at the end of the function if
4324 current_function_sp_is_unchanging is set.
4325 * i386.c (ix86_epilogue): Optimize the restoring
4326 of the stack pointer.
4328 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
4330 * version.c: Bump for snapshot.
4332 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
4334 * c-pragma.c (handle_pragma_token): If passed a token instead
4335 of a tree, use that as the pack value.
4337 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
4339 * flow.c (find_basic_blocks_1): Fix prototype.
4341 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
4343 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
4344 (struct tree_decl): New fields no_check_memory_usage.
4345 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
4346 (init_attributes): Register it as a new attribute.
4347 (decl_attributes): Set flags on functions given that attribute.
4348 * c-decl.c (duplicate_decls): Merge new attribute.
4349 * expr.h (current_function_check_memory_usage): Declare new var.
4350 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
4351 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
4352 current_function_check_memory_usage.
4353 * function.h: Add field to struct function.
4354 * function.c (current_function_check_memory_usage): Define it.
4355 (push_function_context_to, pop_function_context_from): Save and
4357 (expand_function_start): Set it, based on global flag and function
4360 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4361 check non-automatic variables, to permit detection of writes to
4362 read-only locations in embedded systems without memory management.
4363 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4364 when emitting chkr_set_right_libfunc call, even if the argument is
4365 BLKmode or variable-sized; don't abort.
4367 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
4368 symbols in Pmode, not VOIDmode.
4370 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4372 * cppexp.c: When forcing unsigned comparisons, cast both sides
4375 * cpphash.h: Move static declaration of hashtab[]...
4376 * cpphash.c: ...here.
4378 * cpplib.c: Cast difference of two pointers to size_t before
4379 comparing it to size_t. Cast signed to unsigned
4380 before comparing to size_t. (FIXME: struct argdata should use
4381 unsigned buffer sizes.)
4382 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
4383 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
4384 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
4385 size_t before comparison.
4387 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
4389 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
4390 (find_basic_blocks_1): Similarly.
4391 * output.h (find_basic_blocks): Fix prototype.
4392 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
4393 find_basic_blocks anymore.
4395 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
4397 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
4398 (sbitmap_free, sbitmap_vector_free): New macros.
4399 * output.h (rtl_dump_file): Declare.
4401 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
4403 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
4405 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4407 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
4409 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
4410 (divide): Remove unused variable `tmp'.
4411 (si_to_float): Cast numeric constant to (SItype) before comparing
4414 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
4416 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
4417 * gcc.c (add_preprocessor_option): Correct typo when allocating
4418 memory, sizeof() argument had one too many `*'.
4419 (add_assembler_option): Likewise.
4420 (add_linker_option): Likewise.
4421 * gcov.c (output_data): Likewise.
4422 * local-alloc.c (memref_used_between_p): Likewise.
4423 (update_equiv_regs): Likewise.
4424 * loop.c (strength_reduce): Likewise.
4425 * reg-stack.c (record_asm_reg_life): Likewise.
4426 (subst_asm_stack_reg): Likewise.
4427 * reorg.c (dbr_schedule): Likewise.
4429 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4431 * flow.c (life_analysis_1): Break out some functions.
4432 (find_basic_blocks_1): Likewise. Also move some variables out and
4434 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
4435 new static var nonlocal_label_list with it.
4436 (active_eh_region, nested_eh_region, label_value_list,
4437 nonlocal_label_list): New static variables.
4438 (make_edges, delete_unreachable_blocks, delete_block): New static
4439 functions, broken out of find_basic_blocks_1.
4440 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
4441 noop_move_p): New static functions, broken out of life_analysis_1.
4443 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
4445 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
4446 Take extra care for op0 now possibly being a subreg.
4447 (extract_bit_field): Likewise.
4448 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
4449 the reg to memory if there is no equal sized integral mode.
4450 * stor-layout.c (int_mode_for_mode): New function.
4451 * machmode.h: Prototype it.
4453 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
4455 * global.c (build_insn_chain): Verify no real insns exist past the
4456 end of the last basic block, then exit the loop.
4458 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4460 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
4462 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
4464 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
4466 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
4468 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
4470 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
4472 * flow.c (find_basic_blocks): Correctly determine when a call
4473 is within an exception region.
4475 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
4477 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
4479 * cpplib.h: Protect from multiple inclusions.
4480 * cpplib.c: Fix minor formatting problems.
4482 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
4484 * jump.c (jump_optimize): Revert accidental patch.
4486 * Makefile.in (cpplib.o): Use unlibsubdir.
4488 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
4490 * loop.c (get_condition): Allow combine when either compare is
4493 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
4495 * version.c: Bump for snapshot.
4497 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
4499 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
4500 (init_lex): Initialize ridpointers[RID_BYREF].
4501 * c-lex.h (enum rid): Add RID_BYREF.
4502 * c-parse.gperf: Add RID_BYREF as a type qualifier.
4503 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
4504 (encode_type_qualifiers): Similarly
4505 * c-gperf.h: Rebuilt.
4507 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
4509 * c-common.c (type_for_mode): Only return TItype nodes when
4510 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4511 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
4512 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4513 (init_decl_processing): Only create TItype nodes when
4514 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4515 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
4516 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4518 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4520 * stmt.c (n_occurrences): New static function.
4521 (expand_asm_operands): Verify that all constrains match in the
4522 number of alternatives.
4523 Verify that '+' or '=' are at the beginning of an output constraint.
4524 Don't allow '&' for input operands.
4525 Verify that '%' isn't written for the last operand.
4526 * reload.c (find_reloads): Abort if an asm is found with invalid
4527 constraints; all possible problems ought to be checked for earlier.
4529 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4531 * flags.h (flag_branch_on_count_reg): Always declare
4532 * toplev.c (flag_branch_on_count_reg): Likewise.
4533 * toplev.c: Fix typos.
4535 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
4538 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
4540 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
4542 (find_basic_blocks_1): Add a nop to the end of a basic block when
4543 a trailing call insn does not have abnormal control flow.
4544 * gcse.c (pre_transpout): New variable.
4545 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
4546 (compute_pre_transpout): Calculate it.
4547 (compute_pre_ppinout): Use it to eliminate impossible placements
4548 due to abnormal control flow through calls.
4549 (compute_pre_data): Call compute_pre_transpout.
4551 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4553 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
4555 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
4557 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
4558 and matching define_insns): Tack on a `use' of the table label, so
4559 flow analysis will recognize a tablejump.
4561 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
4563 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
4564 always end basic blocks for abnormal edge reasons.
4566 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
4568 * config/i386/i386.h: Remove definition of
4569 HANDLE_PRAGMA_PACK_PUSH_POP.
4571 * config/i386/go32.h: Add definition of
4572 HANDLE_PRAGMA_PACK_PUSH_POP.
4574 * config/i386/win32.h: Add definition of
4575 HANDLE_PRAGMA_PACK_PUSH_POP.
4577 * config/i386/cygwin32.h: Add definition of
4578 HANDLE_PRAGMA_PACK_PUSH_POP.
4580 * c-pragma.c (insert_pack_attributes): Do not insert
4581 attributes unless #pragma pack(push,<n>) is in effect.
4583 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
4585 * expr.c (emit_group_store): Handle a PARALLEL destination.
4587 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
4589 * gcse.c (pre_insert_insn): When a call ends a bb, insert
4590 the new insns before the argument regs are loaded.
4592 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4594 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
4595 (c-parse.gperf): Update comments describing invocation flags.
4596 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
4598 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
4600 * reload1.c (reload): Call free before clobbering the memory
4601 locations or constants pointers.
4603 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4605 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
4606 for efficiency by checking whether we need to modify the current
4607 stack permission at all.
4608 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
4609 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
4610 __enable_execute_stack libcall here too if
4611 TRANSFER_FROM_TRAMPOLINE is defined.
4612 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
4615 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
4617 * Makefile.in (DRIVER_DEFINES): Remove last change.
4619 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4621 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
4622 insns we're going to copy.
4623 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
4625 * loop.c (count_one_set): Add prototype.
4627 * caller-save.c (restore_referenced_regs): Lose mode argument.
4628 (insert_save): Lose mode argument.
4629 (insert_restore): Lose mode argument.
4630 (insert_one_insn): Lose mode argument.
4631 (save_call_clobbered_regs): Lose mode argument.
4632 (setup_save_areas): Take no argument and return void. All callers
4634 Don't verify validity of memory addresses.
4635 * reload.h (setup_save_ares): Adjust prototype.
4636 (save_call_clobbered_regs): Likewise.
4637 * reload1.c (delete_caller_save_insns): New function.
4638 (caller_save_spill_class): Delete variable.
4639 (caller_save_group_size): Delete variable.
4640 (reload): Call setup_save_areas and save_call_clobbered_regs
4641 in the main loop, before calling calculate_needs_all_insns.
4642 Don't call save_call_clobbered_regs after the loop.
4643 Call delete_caller_save_insns at the end of an iteration if
4645 Delete code to manage caller_save_spill_class.
4646 Emit the final note before setting reload_first_uid.
4647 Simplify test that determines whether reload_as_needed gets run.
4648 (calculate_needs): Delete code to manage caller_save_spill_class.
4650 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
4652 * collect2.c (main): Initialize ld_file_name.
4654 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
4656 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
4657 check for flag_function_sections.
4659 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4661 * cse.c (insert_regs): Fix bug in Sep 24 change.
4663 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4665 * flags.h (flag_dump_unnumbered): Declare.
4666 * toplev.c (flag_dump_unnumbered): Don't declare.
4667 * print-rtl.c (flags.h): Include.
4668 (print_rtl_single): Add return value.
4669 * rtl.h (print_rtl_single): Update declaration.
4670 * flow.c (flag_dump_unnumbered): Don't declare.
4671 (print_rtl_with_bb): Use return value of print_rtl_single.
4673 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4675 * loop.c (count_one_set): New static function, broken out of
4677 (count_loop_regs_set): Call it.
4678 * global.c (mark_reg_store): Handle clobbers here by not calling
4680 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
4681 is in fact a clobber.
4682 * integrate.c (process_reg_param): New function, broken out of
4683 expand_inline_function.
4684 (expand_inline_function): Call it.
4687 * i386.md (addsidi3_1): Delete unused variable temp.
4688 (addsidi3_2): Likewise.
4689 (clstrstrsi): Delete unused variable addr1.
4691 * rtl.h: Don't declare any functions also declared in recog.h.
4693 * Makefile.in (stupid.o): Update dependencies.
4694 (global.o): Likewise.
4696 * global.c: Include reload.h
4697 (reg_becomes_live): New function.
4698 (reg_dies): New function.
4699 (build_insn_chain): New function.
4700 (global_alloc): Call build_insn_chain before calling reload.
4702 * reload.h (struct needs): New structure definition.
4703 (struct insn_chain): Likewise.
4704 (reload_insn_chain): Declare variable.
4705 (new_insn_chain): Declare function.
4708 * reload1.c (reload_startobj): New variable.
4709 (reload_insn_chain): New variable.
4710 (unused_insn_chains): New variable.
4711 (new_insn_chain): New function.
4712 (init_reload): Initialize reload_startobj, not reload_firstobj.
4713 (reload): Initialize reload_firstobj.
4714 Before returning, free everything on the reload_obstack.
4716 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
4717 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
4718 current_chain): New variables.
4719 (reg_where_born): Delete variable.
4720 (REG_WHERE_BORN): New macro.
4721 (find_clobbered_regs): New function.
4722 (stupid_life_analysis): Don't allocate/free reg_where_born.
4723 Allocate and free reg_where_born_exact, reg_where_born_clobber,
4724 reg_where_dead_chain.
4725 Use REG_WHERE_BORN instead of reg_where_born.
4726 While processing the insns, build the reload_insn_chain with
4727 information about register lifetimes.
4728 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
4729 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
4731 Compute and information about birth and death of pseudo registers in
4732 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
4733 Delete code to set elements of reg_where_born.
4735 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4737 * tree.def (GOTO_EXPR): Modified documentation.
4738 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
4741 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
4743 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
4744 loop_final_value, loop_comparison_code): No longer static.
4745 (unroll_loop): Delete loop_start_value update.
4746 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
4747 loop_final_value, loop_comparison_code): Extern.
4748 (loop_start_value): Delete extern.
4749 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
4750 loop_comparison_value, loop_comparison_code): Delete.
4751 (loop_optimize): Remove initialization for deleted variables.
4752 (strength_reduce): Delete analyze_loop_iterations call. Only call
4753 insert_bct if flag_branch_count_on_reg set.
4754 (analyze_loop_iterations): Delete.
4755 (insert_bct): Remove iteration count calculation. Move checks for
4756 viable BCT optimization to here. Obtain iteration count from
4757 loop_iterations and correct for unrolling. Check for enough
4758 iteration to be beneficial. Comment out runtime iteration count
4760 (insert_bct): Print iteration count in dump file. Remove
4761 loop_var_mode and use word_mode directly.
4763 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
4764 * rs6000.c (rs6000_override_options): Use it.
4765 (optimization_options): Enable use of flag_branch_on_count_reg.
4766 * rs6000.md (define_function_unit): Describe 604e.
4768 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4770 * loop.c (move_movables): Corrected threshold calculation for
4771 moved_once registers.
4773 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4775 * loop.c (combine_givs_p): Fix test for identical givs.
4777 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
4779 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
4780 call abort if the function is already defined.
4782 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
4784 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
4785 truncation is not a no-op.
4787 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
4789 * version.c: Bump for snapshot.
4791 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
4793 * version.c: Bump for snapshot.
4795 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
4797 * expmed.c (expand_divmod): Don't widen for computing remainder
4798 if we seem to have a divmod pattern for needed mode.
4800 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4802 * cpplib.c (macroexpand): Correct off-by-one error in handling
4805 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
4807 * combine.c (expand_field_assignment): Don't do bitwise operations
4808 on MODE_FLOAT; pun to MODE_INT if possible.
4810 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
4811 scott snyder <snyder@d0sgif.fnal.gov>
4813 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
4814 linker. Recognize mangled names in quotes.
4816 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4818 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
4819 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
4820 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
4821 (lshrsi3_extend, lshrsi3_extend2): Ditto.
4823 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4825 * function.c (purge_addressof_1): If trying to take a sub-word
4826 integral piece of a floating point mode, put it on the stack.
4828 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
4830 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
4832 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
4834 * PROJECTS: Remove template friends.
4836 * collect2.c (sort_ids): Remove unused variable.
4838 * tm.texi (MATH_LIBRARY): Document.
4839 (NEED_MATH_LIBRARY): Remove.
4841 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
4842 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
4844 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
4846 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
4847 last_end to 0x7fffffff.
4849 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4851 * function.c (purge_addressof_1): Do not perform endianness
4852 corrections on bitpos, who we call will do it for us.
4854 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
4856 * h8300.c (WORD_REG_USED): Fix typo.
4857 (initial_offset): Use WORD_REG_USED.
4859 * h8300.c (handle_pragma): Fix typo.
4861 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4863 * caller-save.c (insert_save_restore): Break this function up
4864 into new functions insert_restore, insert_save and insert_one_insn.
4865 All callers changed.
4866 (insert_restore): New function, mostly broken out of
4867 insert_save_restore.
4868 (insert_save): Likewise.
4869 (insert_one_insn): Likewise.
4870 (restore_referenced_regs): New argument BLOCK. All callers changed.
4871 (save_call_clobbered_regs): Don't keep track of basic block boundaries
4872 in this function, do it in insert_one_insn instead.
4874 * reload1.c (reload): Break out some more pieces into separate
4876 (dump_needs): New function, broken out of reload.
4877 (set_initial_elim_offsets): Likewise.
4878 (init_elim_table): Likewise.
4879 (update_eliminables): Likewise.
4881 * global.c (global_alloc): Delete code to manage the scratch_list.
4882 * local-alloc.c (qty_scratch_rtx): Delete.
4883 (scratch_block): Delete.
4884 (scratch_list): Delete.
4885 (scratch_list_length): Delete.
4886 (scratch_index): Delete.
4887 (alloc_qty_for_scratch): Delete.
4888 (local-alloc): Update initialization of max_qty.
4889 Delete code to manage the scratch list.
4890 Delete code to allocate/initialize qty_scratch_rtx.
4891 (block_alloc): Don't allocate quantities for scratches.
4892 Delete code to manage the scratch list.
4893 * regs.h (scratch_list): Delete declaration.
4894 (scratch_block): Delete declaration.
4895 (scratch_list_length): Delete declaration.
4896 * reload1.c (reload): Delete code to manage the scratch list.
4897 (spill_hard_reg): Likewise.
4898 (mark_scratch_live): Delete.
4900 * recog.c (alter_subreg): Delete declaration.
4902 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
4904 * Makefile.in (cccp.o): Fix typo in last patch.
4906 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4908 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
4909 * config/sh/lib1funcs.asm (___set_fpscr): Add.
4911 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
4913 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
4914 NULL_RTX as an argument.
4916 * Makefile.in (unlibsubdir): Define.
4917 (DRIVER_DEFINES): Use unlibsubdir.
4918 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
4919 (stmp-fixinc): Similarly.
4921 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4923 * regmove.c (regmove_optimize): Add variable old_max_uid.
4924 At the end of the function, update basic_block_end.
4926 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4928 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
4929 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
4932 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
4934 * config/arm/arm.c: Improve interworking support.
4936 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4938 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
4939 copied from reload_out[r] .
4941 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
4943 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
4944 with more than three size ranges.
4946 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
4948 * rtl.c (mode_name): Add a null string at the end of the array.
4949 (mode_wider_mode): Change type to unsigned char.
4950 (mode_mask_array): New variable.
4951 (init_rtl): Update for mode_wider_mode type change.
4953 * rtl.h (mode_wider_mode): Change type to unsigned char.
4954 (mode_mask_array): Declare.
4955 (GET_MODE_MASK): Use mode_mask_array.
4957 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
4959 * calls.c (expand_call) : Encapsulate code into
4960 copy_blkmode_from_reg.
4961 * expr.c (copy_blkmode_from_reg): New function.
4962 * expr.h (copy_blkmode_from_reg): New function.
4963 * integrate.c (function_cannot_inline_p): We can inline
4965 (expand_inline_function): Use copy_blkmode_from_reg
4966 if needed. Avoid creating BLKmode REGs.
4967 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
4970 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
4972 * config/v850/v850.c: Add function prototypes.
4973 Add support for v850 special data areas.
4975 * config/v850/v850.h: Add support for v850 special data areas.
4977 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
4978 HANDLE_PRAGMA_PACK_PUSH_POP.
4979 (push_alignment): New function: Cache an alignment requested
4980 by a #pragma pack(push,<n>).
4981 (pop_alignment): New function: Pop an alignment from the
4983 (insert_pack_attributes): New function: Generate __packed__
4984 and __aligned__ attributes for new decls whilst a #pragma pack
4986 (add_weak): New function: Cache a #pragma weak directive.
4987 (handle_pragma_token): Document calling conventions. Add
4988 support for #pragma pack(push,<n>) and #pragma pack (pop).
4990 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
4991 are defined enable HANDLE_PRAGMA_PACK.
4992 Move 'struct weak_syms' here (from varasm.c).
4993 Add pragma states for push and pop pragmas.
4995 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
4998 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
4999 HANDLE_GENERIC_PRAGMAS.
5001 * varasm.c: Move definition of 'struct weak_syms' into
5003 (handle_pragma_weak): Deleted.
5005 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5007 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5009 * c-decl.c (start_function): Add invocation of
5010 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
5012 * tm.texi: Remove description of non-existant macro
5013 SET_DEFAULT_SECTION_NAME.
5015 (HANDLE_SYSV_PRAGMA): Document.
5016 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
5018 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
5020 * config.sub: Recognize i[34567]86-pc-udk as new target.
5021 * configure.in: Likewise.
5022 * config/i386/t-udk: New file.
5023 * config/i386/udk.h: New file.
5025 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
5027 * reorg.c (check_annul_list_true_false): Remove unused variables.
5028 (steal_delay_list_from_target): Add missing "used_annul" variable.
5029 (try_merge_delay_insns): Close out half formed comment.
5031 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5033 * cpplib.c (macroexpand): If arg->raw_before or
5034 arg->raw_after, remove any no-reexpansion escape at the
5035 beginning of the pasted token. Correct handling of whitespace
5036 markers and no-reexpand markers at the end if arg->raw_after.
5038 * toplev.c (documented_lang_options): Recognize -include,
5039 -imacros, -iwithprefix, -iwithprefixbefore.
5040 * cpplib.c (cpp_start_read): Process -imacros and -include
5041 switches at the same time and in command-line order, after
5042 initializing the dependency-output code. Emit properly nested
5043 #line directives for them. Emit a #line for the main file
5044 before processing these switches, and don't do it again
5047 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
5049 * function.c (purge_addressof_1): Use bitfield manipulation
5050 routines to handle mem mode < reg mode.
5052 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5054 * reorg.c (try_merge_delay_insns): Account for resources referenced
5055 in each instruction in INSN's delay list before trying to eliminate
5056 useless instructions. Similarly when looking at a trial insn's delay
5059 * reorg.c (check_annul_list_true_false): New function.
5060 (steal_delay_list_from_{target,fallthrough}): Call it and also
5061 refine tests for when we may annul if already filled a slot.
5062 (fill_slots_from_thread): Likewise.
5063 (delete_from_delay_slot): Return newly-created thread.
5064 (try_merge_delay_isns): Use its new return value.
5066 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
5068 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
5069 used to compute a giv or as some other non-counting use.
5071 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5073 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
5074 * local-alloc.c (find_free_reg): Use it.
5075 * global.c (find_reg): Likewise.
5076 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
5078 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
5079 * caller-save.c (init_caller_save): Use it.
5080 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
5082 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5084 * configure.in: Add --enable-cpplib option which uses cpplib
5085 for cpp, but doesn't link cpplib into cc1. Make help text
5086 capitalization consistent.
5087 * configure: Rebuilt.
5089 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
5091 * function.c (gen_mem_addressof): If the address REG is
5092 REG_USERVAR_P make the new REG be so also.
5093 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
5094 in an attempt to clarify slightly.
5096 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
5098 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
5099 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
5101 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
5103 * toplev.c: Fix last patch.
5105 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
5107 * loop.c (get_condition): Fix typo in May 9 change.
5109 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5111 * invoke.texi (-fexceptions): Merge 2 different descriptions.
5113 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5115 * toplev.c (documented_lang_options): Spelling corrections.
5117 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5119 * configure.in: new flags --with-ld and --with-as, equivalent
5120 to setting LD and AS environment variables. Test whether
5121 specified arguments are GNU commands, and report them with
5122 checking messages. Use the specified AS for configure
5125 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
5127 * gcc.c (find_a_file): when looking for `as' and `ld', return
5128 the DEFAULT program if it exists
5129 * collect2.c (main): use DEFAULT_LINKER if it exists
5131 * gcc.c (find_a_file): the test for existence of a full
5132 pathname was reversed
5134 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
5136 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
5137 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
5139 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
5141 * tree.h (TYPE_BINFO): Document.
5143 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
5145 * i386-coff.h (dbxcoff.h): Added.
5147 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
5149 * toplev.c: fix bad patch around flag_data_sections.
5151 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
5153 * reload1.c (reload): Use reload_address_index_reg_class and
5154 reload_address_base_reg_class when setting
5155 caller_save_spill_class. (Patch generated by Jim Wilson:
5158 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
5160 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
5161 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
5162 * expr.c (store_field): Add alias_set parameter. Set the
5163 MEM_ALIAS_SET accordingly, if the target is a MEM.
5164 (expand_assignment): Use it.
5165 (store_constructor_field): Pass 0.
5166 (expand_expr): Likewise.
5168 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
5170 * flags.h: Add flag_data_sections.
5171 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
5172 (compile_file): Error if flag_data_sections not supported.
5173 * varasm.c (assemble_variable): Handle flag_data_sections.
5174 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
5175 * config/mips/elf.h: Likewise.
5176 * config/mips/elf64.h: Likewise.
5177 * invoke.texi: Describe -fdata-sections.
5179 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
5181 * invoke.texi (-ffloat-store): Clarify that this option
5182 does not affect intermediate results -- only variables.
5184 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
5186 * cpp.texi: Update for Fortran usage from Craig.
5188 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5190 * rs6000.c (function_arg_boundary): Revert accidental change on
5193 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
5195 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
5196 (output_mi_thunk): Declare.
5198 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
5199 (output_function_profiler): Use r12 for temp, instead of r11 so
5200 that we preserve the static chain register.
5202 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
5204 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
5206 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5208 * sh.c (gen_shl_sext): Fix case 5.
5210 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5212 * reload1.c (reload_combine): Re-add line that got accidentally lost.
5214 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5216 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
5217 accessing variables until they are initialized via va_arg().
5219 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5221 * reload1.c (reload_combine): Initialize set before using.
5223 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
5225 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
5228 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
5230 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
5231 operand3 with mask before using it. Patch provided by Jim Wilson.
5233 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5235 * config/sparc/sparc.c (function_value): Perform the equivalent of
5236 PROMOTE_MODE for ARCH64.
5237 (eligible_for_epilogue_delay): Allow DImode operations in delay
5238 slot of a return for ARCH64.
5240 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5242 * sh.md (sqrtsf2): Fix mode of sqrt.
5244 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5246 * reload1.c (choose_reload_regs): Also try inheritance when
5247 reload_in is a stack slot of a pseudo, even if we already got a
5250 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5252 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
5253 (reload_cse_regs): New function body: call reload_cse_regs_1,
5254 reload_combine, reload_cse_move2add.
5255 When doing expensive_optimizations, call reload_cse_regs_1 a
5256 second time after reload_cse_move2add.
5257 (reload_combine, reload_combine_note_store): New functions.
5258 (reload_combine_note_use): New function.
5259 (reload_cse_move2add, move2add_note_store): New functions.
5261 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5263 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
5264 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
5266 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
5267 more than 3 such reloads.
5269 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
5270 RELOAD_FOR_X_ADDR_ADDR reload.
5272 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5274 * expr.c (store_constructor): When initializing a field that is smaller
5275 than a word, at the start of a word, try to widen it to a full word.
5277 * cse.c (cse_insn): When we are about to change a register,
5278 remove any invalid references to it.
5280 (remove_invalid_subreg_refs): New function.
5281 (mention_regs): Special treatment for SUBREGs.
5282 (insert_regs): Don't strip SUBREG for call to mention_regs.
5283 Check if reg_tick needs to be bumped up before that call.
5284 (lookup_as_function): Try to match known word_mode constants when
5285 looking for a norrower constant.
5286 (canon_hash): Special treatment for SUBREGs.
5288 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5290 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
5291 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
5292 defined, emit libcall to __enable_execute_stack. Also fix opcodes
5293 and offsets in actual stack trampoline code so they match the
5294 commentary and actually work.
5296 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5298 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
5300 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
5301 tmake_file. Set extra_parts to needed crt objects.
5302 * configure: Rebuilt.
5303 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
5304 (TARGET_DEFAULT): Set if default is v9 or ultra.
5305 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
5306 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
5307 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
5308 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
5309 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
5310 (TARGET_VERSION): Define.
5311 (MULTILIB_DEFAULT): Define.
5312 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
5313 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
5314 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
5316 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
5317 * config/sparc/sparc.c (sparc_override_options): If arch and
5318 pointer size disagree, emit diagnostic and fix it up. If
5319 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
5320 V8PLUS in 64-bit mode.
5321 * config/sparc/t-linux64: New file.
5322 * config/sparc/t-sol2-64: New file.
5323 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
5324 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
5325 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
5326 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
5327 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
5328 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
5330 (STARTFILE_SPEC): Set approriately based upon those.
5331 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
5332 disposition of DEFAULT_ARCH32_P.
5333 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
5334 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
5335 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
5336 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
5337 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
5339 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
5341 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
5343 * rtl.h (init_virtual_regs): New function.
5344 * emit-rtl.c (init_virtual_regs): Define.
5345 (insn_emit): Use it.
5346 * integrate.c (save_for_inline_copying): Likewise.
5348 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
5350 * config/arm/thumb.h: The following patches were made by Jim Wilson:
5351 (enum reg_class): Add NONARG_LO_REGS support.
5352 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5353 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
5354 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
5355 completes. Re-enable HImode REG+OFFSET addresses.
5356 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5358 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5360 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5362 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5363 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5364 (alpha_align_insns): Properly calculate initial offset wrt max_align.
5366 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
5368 * arm.c (find_barrier): Revert change of Apr 23. Handle table
5369 jumps as a single entity, taking into account the size of the
5372 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5374 * tree.def (SWITCH_EXPR): New tree node definition.
5376 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
5378 * version.c: Bump for snapshot.
5380 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
5382 * version.c: Bump for snapshot.
5384 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
5386 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
5389 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
5391 * Revert this patch.
5392 * reload.c (find_reloads): Do not replace a pseudo with
5393 (MEM (reg_equiv_addr)) in the initializing insn for the
5396 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
5398 * final.c (final_scan_insn): Disable tracking CC across branches.
5400 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5402 * expr.h (eh_rtime_match_libfunc): New extern declaration.
5403 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
5404 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
5405 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
5406 NULL. Only include <stdio.h> if inhibit_libc is not defined.
5408 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
5410 * toplev.c (rest_of_compilation): Skip compiling anything with
5411 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
5413 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
5415 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
5416 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
5417 use in_libcall_block.
5418 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
5419 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
5422 Mon Sep 21 14:02:23 1998
5424 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
5425 typo in no-fancy-math-387 description.
5427 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
5429 * version.c: Bump for snapshot.
5431 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
5433 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
5435 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
5437 * i386.h: (TARGET_SWITCHES) Add description fields for flags
5438 documented in install.texi.
5439 (TARGET_OPTIONS) Likewise.
5441 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
5443 * version.c: Bump for snapshot.
5445 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
5447 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
5448 * cccp.c (main): Likewise.
5450 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
5451 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
5454 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
5456 * Makefile.in (LIBS): Link in libiberty.a.
5457 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
5459 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
5461 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
5462 it to update bb boundaries. Update caller.
5463 * function.c (reposition_prologue_and_epilogue_notes): Update
5464 bb boundaries wrt the moved note.
5466 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
5468 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
5470 * configure: Regenerate.
5472 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
5474 * alpha.c (alpha_sr_alias_set): New variable.
5475 (override_options): Set it.
5476 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
5477 (mode_mask_operand): Fix signed-unsigned comparision warning.
5478 (alpha_expand_block_move): Likewise.
5479 (print_operand): Likewise.
5480 (get_aligned_mem): Use change_address.
5481 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
5482 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
5483 (alphaev4_next_nop, alphaev5_next_nop): New functions.
5484 (alpha_align_insns): Remade from old alphaev5_align_insns
5485 to handle multiple processors.
5486 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
5487 * output.h (label_to_alignment): Prototype.
5489 * tree.c (new_alias_set): New function.
5490 * tree.h (new_alias_set): Declare it.
5491 * c-common.c (c_get_alias_set): Use it.
5493 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
5495 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
5496 to an ABS expr, convert an unsigned input to signed.
5498 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
5500 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
5502 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5504 * configure.in: Add support for c4x targets.
5505 * configure: Rebuilt.
5507 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
5509 * combine.c (distribute_notes): If an insn is a cc0 user, only
5510 delete it if we can also delete the cc0 setter.
5512 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
5514 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
5515 (invert_truthvalue): Enable truthvalue inversion for
5516 floating-point operands if -ffast-math.
5518 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
5520 * configure.in: Disable collect2 for nextstep. Instead use
5522 * configure: Rebuilt.
5523 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
5524 (ENDFILE_SPEC): Define.
5525 (OBJECT_FORMAT_MACHO): Define.
5526 (EH_FRAME_SECTION_ASM_OP): Define.
5527 * crtstuff.c: Handle MACHO.
5529 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
5531 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
5533 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
5535 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
5536 (_fpadd_parts): Get sign right for 0.
5538 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5540 * ginclude/varargs.h: Add support for C4x target.
5541 * ginclude/stdargs.h: Likewise.
5543 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
5545 * alpha.c (alpha_return_addr): SET should be VOIDmode.
5546 (alpha_emit_set_long_const): Rewrite to be callable from reload
5548 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
5549 * alpha.md (movdi): Likewise.
5551 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
5553 * arm.c (add_constant): New parameter address_only, change caller.
5554 Set it non-zero if taking the address of an item in the pool.
5555 (arm_reorg): Handle cases where we need the address of an item in
5558 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
5560 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
5561 memory addresses that are not in standard canonical form.
5563 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
5565 * README.C4X: New file with information about the c4x ports.
5566 * ginclude/va-c4x.h: New file for c4x varargs support.
5567 * config/c4x: New directory with c4x port files.
5569 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
5571 * reload.c (find_reloads): Do not replace a pseudo with
5572 (MEM (reg_equiv_addr)) in the initializing insn for the
5575 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
5577 * toplev.c (rest_of_compilation): Set bct_p on second call to
5579 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
5581 (strength_reduce): Only call analyze_loop_iterations and
5582 insert_bct if bct_p set.
5583 (check_dbra_loop): Fix typo.
5584 (insert_bct): Use word_mode instead of SImode.
5585 (instrument_loop_bct): Likewise. Do not delete iteration count
5586 condition code generation insn. Initialize iteration count before
5588 * rtl.h (loop_optimize): Update prototype.
5590 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
5591 not doubleword aligned.
5593 * rs6000.c (optimization_options): New function.
5594 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
5595 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
5596 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
5597 first; cr1 can be used for FP record condition insns.
5599 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
5601 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
5604 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
5607 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
5609 (block_move_call): New function: Call a library routine to copy a
5611 (m32r_expand_block_move): New function: Expand a "movstrsi"
5612 pattern into a sequence of insns.
5613 (m32r_output_block_move): New function: Expand a
5614 "movstrsi_internal" pattern into a sequence of assembler opcodes.
5615 (m32r_block_immediate_operand): New function: Return true if the
5616 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
5618 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5620 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
5622 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
5624 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5626 * regmove.c (copy_src_to_dest): Check that modes match.
5628 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
5630 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
5632 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
5634 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
5635 narrower than FLOAT_REGS.
5637 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5639 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
5641 * Makefile.in (old_gxx_include_dir): removed
5643 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
5645 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
5648 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
5649 (sh_handle_pragma): Change function arguments to match new
5650 specification for HANDLE_PRAGMA.
5652 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5654 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
5656 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
5657 When generating output, initialize missing struct member to zero.
5659 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5661 * regmove.c (copy_src_to_dest): Don't copy if that requires
5662 (a) new register(s).
5664 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5666 * global.c (reg_allocno): Now static.
5667 * reload1.c (reg_allocno): Delete declaration.
5668 (order_regs_for_reload): Take no arguments. Don't treat regs
5669 allocated by global differently than those allocated by local-alloc.
5671 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
5673 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
5674 condition, fix format strings.
5675 (output_function_epilogue): Likewise.
5677 * m68k/m68k.c: Don't include <stdlib.h> directly.
5679 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
5681 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
5682 mem_first_set, mem_last_set; because 0 can be a CUID.
5683 (oprs_unchanged_p): Use new definition.
5684 (record_last_reg_set_info): Likewise.
5685 (record_last_mem_set_info): Likewise.
5686 (compute_hash_table): Likewise.
5688 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
5690 * rs6000.c (output_epilogue): Handle Chill.
5692 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5693 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5695 * combine.c (make_extraction): If no mode is specified for
5696 an operand of insv, extv, or extzv, default it to word_mode.
5697 (simplify_comparison): Similarly.
5698 * expmed.c (store_bit_field): Similarly.
5699 (extract_bit_field): Similarly.
5700 * function.c (fixup_var_regs_1): Similarly.
5701 * recog.c (validate_replace_rtx_1): Similarly.
5702 * mips.md (extv, extzv, insv expanders): Default modes for most
5703 operands. Handle TARGET_64BIT.
5704 (movdi_uld, movdi_usd): New patterns.
5706 * pa.c (emit_move_sequence): Do not replace a pseudo with its
5707 equivalent memory location unless we have been provided a scratch
5708 register. Similarly do not call find_replacement unless a
5709 scratch register has been provided.
5711 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5713 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
5716 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
5718 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
5719 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
5720 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
5721 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
5722 * c-decl.c (init_decl_processing): Update accordingly.
5723 * expr.c (expand_builtin): Likewise.
5725 * rtl.h (global_rtl): Add cfa entry.
5726 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
5727 (LAST_VIRTUAL_REGISTER): Update.
5728 * emit-rtl.c (global_rtl): Add cfa entry.
5729 (init_emit): Initialize it.
5730 * function.c (cfa_offset): New.
5731 (instantiate_virtual_regs): Initialize it.
5732 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
5733 (expand_function_end): Call expand_eh_return.
5734 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
5736 * except.c (current_function_eh_stub_label): Kill.
5737 (current_function_eh_old_stub_label): Likwise; update all references.
5738 (expand_builtin_set_return_addr_reg): Kill.
5739 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
5740 (expand_builtin_set_eh_regs): Kill.
5741 (eh_regs): Produce a third reg for the actual handler address.
5742 (eh_return_context, eh_return_stack_adjust): New.
5743 (eh_return_handler, eh_return_stub_label): New.
5744 (init_eh_for_function): Initialize them.
5745 (expand_builtin_eh_return, expand_eh_return): New.
5746 * except.h: Update prototypes.
5747 * flow.c (find_basic_blocks_1): Update references to the stub label.
5748 * function.h (struct function): Kill stub label elements.
5750 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
5751 register number is one that would be in the previous window.
5752 Provide a dummy definition for non-windowed targets.
5753 (get_reg_addr): New function.
5754 (get_reg, put_reg, copy_reg): Use it.
5755 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
5756 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
5758 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
5759 (alpha_init_expanders): Initialize it.
5760 (alpha_expand_epilogue): Use it.
5761 * alpha.h: Declare it.
5762 * alpha.md (eh_epilogue): New.
5764 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
5765 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
5767 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
5769 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
5772 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5774 * except.h (struct eh_entry): Add false_label field.
5775 (end_catch_handler): Add prototype.
5776 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
5777 (start_catch_handler): When using old style exceptions, issue
5778 runtime typematch code before continuing with the handler.
5779 (end_catch_handler): New function, generates label after handler
5780 if needed by older style exceptions.
5781 (expand_start_all_catch): No need to check for new style exceptions.
5782 (output_exception_table_entry): Only output the first handler label
5783 for old style exceptions.
5784 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
5785 mechanism into one function, if a runtime matcher is provided.
5787 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5789 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
5791 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
5793 * integrate.c (copy_decl_list): Fix typo.
5795 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5797 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
5800 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
5802 * version.c: Bump for snapshot.
5804 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
5806 * version.c: Bump for snapshot.
5808 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
5810 * version.c: Bump for snapshot.
5812 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5814 * invoke.texi (C Dialect Options): Put back missing @end itemize.
5816 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5818 * configure.in: remove usage of `!' to negate the result of a
5819 command; some common shells do not support it
5821 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5823 * configure.in: in sparc9-sol2 config, use 'if test' not
5825 * configure: Rebuilt.
5827 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
5829 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
5830 (CPP_CPU_DEFAULT_SPEC): Likewise.
5831 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
5832 for arch64 libfuncs.
5834 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
5837 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5839 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
5841 * collect2.c: Don't declare `sys_siglist' here.
5842 (my_strsignal): Prototype and define new function. Use it in
5843 place of `sys_siglist' hacks.
5845 * mips_tfile.c: Likewise.
5847 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
5848 (GCC_NEED_DECLARATIONS): Likewise.
5850 * system.h (strsignal): Prototype it, if necessary.
5851 (sys_siglist): Declare it, if necessary.
5853 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5855 * loop.c (move_movables): While removing insn sequences, preserve
5856 the next pointer of the most recently deleted insn when we skip
5859 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
5861 * objc/config-lang.in: Do not output the name of the selected
5862 thread file when building the front-end. The Makefile for the
5863 runtime library will do this.
5865 * objc/Make-lang.in: Do not build the runtime library or install
5866 the Objective C header files. The Makefile for the runtime
5867 library will do this.
5869 * objc/Makefile.in (all.indirect): Only build the front-end.
5870 (compiler): Rename to `frontend'.
5871 (obj-runtime): Remove target.
5872 (copy-headers): Likewise.
5873 (clean): No need to remove `libobjc.a' any longer.
5875 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
5877 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
5878 supported with -mcpu=xxx.
5880 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5882 * flow.c (mark_set_1): Recognize multi-register structure return
5883 values in CALL insns.
5884 (mark_used_regs): Likewise.
5885 (count_reg_sets_1): Likewise.
5886 (count_reg_references): Likewise.
5887 * rtlanal.c (note_stores): Likewise.
5888 (reg_overlap_mentioned_p): Likewise.
5889 * haifa-sched.c (check_live_1): Likewise.
5890 (update_live_1): Likewise.
5891 (sched_analyze_1): Likewise.
5892 (sched_note_set): Likewise.
5893 (birthing_insn_p): Likewise.
5894 (attach_deaths): Likewise.
5896 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
5899 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
5901 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
5903 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5905 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
5907 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5909 * configure.in: Add check for GAS subsection -1 support.
5910 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
5911 * configure config.in: Rebuilt.
5912 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
5913 SImode is subsection -1 works, else use DImode.
5914 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
5915 subsection -1 works.
5916 * config/sparc/sparc.c (sparc_output_addr_vec,
5917 sparc_output_addr_diff_vec): Use them if defined.
5919 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
5921 * tree.h (DECL_ORIGIN): New macro.
5922 * integrate.c (copy_and_set_decl_abstract_origin): New function.
5923 (copy_decl_list): Use it.
5924 (integrate_parm_decls): Likewise.
5925 (integrate_decl_tree): Likewise.
5926 * dwarf2out.c (decl_ultimate_origin): Simplify.
5927 * dwarfout.c (decl_ultimate_origin): Likewise.
5928 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
5929 (pushdecl): Likewise.
5931 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
5933 * config/rs6000/rs6000.c (output_epilog): Add Java support.
5935 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
5937 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
5939 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
5941 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
5942 empty or has a single entry.
5944 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
5945 before calling reg_to_stack.
5947 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
5949 * alpha.c (alphaev5_insn_pipe): Abort on default case.
5950 (alphaev5_next_group): Swallow CLOBBERs and USEs.
5952 * c-tree.h (warn_long_long): Declare it.
5954 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
5956 * emit-rtl.c (gen_lowpart_common): Disable optimization of
5957 initialized float-int union if the value is a NaN.
5959 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
5961 * c-lex.c (real_yylex): Don't warn about long long constants if
5962 we're allowing long long
5964 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5966 * except.h (current_function_eh_stub_label): Declare.
5967 (current_function_eh_old_stub_label): Declare.
5968 * function.h (struct function): New members eh_stub_label and
5970 * except.c (current_function_eh_stub_label): New variable.
5971 (current_function_eh_old_stub_label): New variable.
5972 (init_eh_for_function): Clear them.
5973 (save_eh_status): Save them.
5974 (restore_eh_status): Restore them.
5975 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
5976 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
5977 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
5978 make an edge from the block that contains it to the block starting
5979 with the label if this label is one of the eh stub labels.
5980 If eh stub labels exist, show they are reachable from the last block
5983 * reload1.c (reload): Break out several subroutines and make some
5985 (calculate_needs_all_insns): New function, broken out of reload.
5986 (calculate_needs): Likewise.
5987 (find_reload_regs): Likewise.
5988 (find_group): Likewise.
5989 (find_tworeg_group): Likewise.
5990 (something_needs_reloads): New global variable, formerly in reload.
5991 (something_needs_elimination): Likewise.
5992 (caller_save_spill_class): Likewise.
5993 (caller_save_group_size): Likewise.
5994 (max_needs): Likewise.
5995 (group_size): Likewise.
5996 (max_groups): Likewise.
5997 (max_nongroups): Likewise.
5998 (group_mode): Likewise.
5999 (max_needs_insn): Likewise.
6000 (max_groups_insn): Likewise.
6001 (max_nongroups_insn): Likewise.
6002 (failure): Likewise.
6004 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
6006 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
6008 * loop.c (load_mems): Copy rtx for output mem.
6010 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
6012 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
6013 mips1 or mips2 either.
6015 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
6017 * pa.c (pa_reorg): New marking scheme for jumps inside switch
6019 (pa_adjust_insn_length): Update to work with new marking scheme
6020 for jumps inside switch tables.
6021 * pa.md (switch_jump): Remove pattern.
6022 (jump): Handle jumps inside jump tables.
6024 * Makefile.in (profile.o): Depend on insn-config.h
6026 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
6028 * iris6.h (DWARF2_UNWIND_INFO): Undef.
6030 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6032 Add preliminary native sparcv9 Solaris support.
6033 * configure.in: Recognize sparv9-*-solaris2*
6034 * configure: rebuilt
6035 * config.sub: Recognize sparcv9 just like sparc64.
6036 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
6037 config/sparc/sol2-cn.asm: Macroize so it can be shared between
6038 32-bit and 64-bit Solaris systems.
6039 * config/sparc/t-sol2: Assemble those with cpp.
6040 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
6041 (*TF*_LIBCALL): If ARCH64 use V9 names.
6042 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
6044 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6046 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
6047 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
6049 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
6051 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
6052 to Pmode if CASE_VECTOR_MODE is something else.
6054 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
6056 * prefix.c (update_path): Correctly handle cases where PATH is
6057 a substring of the builtin prefix, but specifies a different
6060 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
6062 * expr.c: Corrected comment about what MOVE_RATIO does.
6063 * config/alpha/alpha.h: Ditto.
6064 * config/1750a/1750a.h: Ditto.
6065 * config/clipper/clipper.h: Ditto.
6066 * config/i386/i386.h: Ditto.
6068 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
6070 * configure.in (m68k-next-nextstep3*): Use collect2.
6071 Similarly for x86 NeXT configurations.
6072 * configure: Rebuilt.
6074 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
6076 * configure.in: Don't assume srcdir is .../gcc
6077 * configure: Rebuilt.
6079 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
6081 * global.c: Update comments.
6082 (global_alloc): Assign allocation-numbers
6083 even for registers allocated by local_alloc in case
6084 they are later spilled and retry_global_alloc is called.
6085 (mark_reg_store, mark_reg_clobber,
6086 mark_reg_conflicts, mark_reg_death): Always record a
6087 conflict with a pseudo register even if it has been
6088 assigned to a hard register.
6089 (dump_conflicts): Don't list pseudo registers already assigned to
6090 a hard register as needing to be allocated, but do list their
6092 * local-alloc.c: Update comment.
6094 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
6096 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
6097 * configure: Rebuilt.
6099 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
6101 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
6103 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
6104 for all targets that set -msoft-float.
6106 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6108 * toplev.c (print_switch_values): Make static to match prototype.
6110 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
6112 * configure.in: If we are unable to find the "gnatbind" program,
6113 then do not configure the ada subdir.
6114 * configure: Rebuilt.
6116 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
6118 * version.c: Bump for snapshot.
6120 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
6122 * version.c: Bump for snapshot.
6124 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6126 * Makefile.in (toplev.o): Depend on $(EXPR_H).
6127 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
6129 * gansidecl.h: Define ATTRIBUTE_NORETURN.
6131 * genattrtab.c: Have insn-attrtab.c include toplev.h.
6133 * genextract.c: Have insn-extract.c include toplev.h.
6135 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
6137 * toplev.c: Include expr.h.
6138 (really_sorry, fancy_abort): Remove prototypes.
6139 (set_target_switch): Add argument in prototype.
6140 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
6141 (v_really_sorry): Likewise.
6142 (print_version, print_single_switch, print_switch_values): Make
6143 static and add prototype arguments.
6144 (decl_printable_name): Add prototype arguments.
6145 (lang_expand_expr_t): New typedef.
6146 (lang_expand_expr): Declare as a lang_expand_expr_t.
6147 (incomplete_decl_finalize_hook): Add prototype argument.
6148 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
6149 (botch): Likewise for variable `s'.
6150 (rest_of_type_compilation): Mark variables `type' and `toplev'
6151 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
6152 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
6153 (display_help): Make variable `i' an `unsigned long'.
6154 (main): Remove unused parameter `envp'.
6155 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
6156 Cast -1 when comparing it with a `size_t'.
6158 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
6159 prototype with ATTRIBUTE_NORETURN.
6160 (fatal_insn_not_found, fatal_insn, really_sorry,
6161 push_float_handler, pop_float_handler): Add prototypes.
6162 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
6163 (do_abort, botch): Add prototypes.
6165 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
6167 * final.c (final): If a label is reached only from a single jump,
6168 call NOTICE_UPDATE_CC on the jump and its predecessor before
6169 emitting the insn after the label.
6171 * i386.h: Add AMD K6 support.
6172 Change TARGET_* macros to use table lookup.
6173 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
6174 (ADJUST_COST): Change definition to call function in i386.c.
6175 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
6176 * i386.c: Add AMD K6 support.
6177 Add constants for feature tests used by TARGET_* macros.
6178 (split_di): If before reload, call gen_lowpart and gen_highpart.
6179 (x86_adjust_cost): New function.
6180 (put_jump_code): New function.
6181 (print_operand): New codes 'D' and 'd'.
6182 * i386.md: New insn types. New insn attribute "memory".
6183 Redefine scheduling parameters to use new types and add AMD K6
6184 support. Explicitly set type of most insns.
6185 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
6186 Pro and K6 prefer movl $1,reg to incl reg.
6187 (adddi3, subdi3): Set cc_status.
6188 (DImode shift patterns): Change label counters from HOST_WIDE_INT
6189 to int; x86 can't have more than 2^31 DImode shifts per file.
6190 (setcc): Combine all setcc patterns. Allow writing memory.
6191 Combine all jump patterns using match_operator.
6192 (*bzero): Name pattern. Emit mutliple stos instructions when that
6193 is faster than rep stos.
6194 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
6197 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
6199 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
6202 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
6204 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
6205 not whatever we're generating now.
6207 * alpha.c (set_frame_related_p, FRP): New.
6208 (alpha_expand_prologue): Mark frame related insns.
6209 (alpha_expand_epilogue): Likewise, but with a null FRP.
6210 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
6211 * alpha.md (exception_receiver): New.
6212 * alpha/crtbegin.asm (.eh_frame): New beginning.
6213 (__do_frame_setup, __do_frame_takedown): New.
6214 * alpha/crtend.asm (.eh_frame): New ending.
6215 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
6216 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
6217 (ASM_FILE_START): Don't emit .file for dwarf2.
6219 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
6220 * rtl.c (reg_note_name): Likewise.
6221 * rtl.texi (REG_NOTES): Likewise.
6222 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
6225 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
6227 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
6228 * i386.md (movsf, movdf, movxf): Validate memory address returned
6229 from force_const_mem. Kill useless REG_EQUAL setting code.
6231 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
6233 * m68k.md (zero_extendsidi2): Fix typo.
6235 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
6237 * configure.in: Removed references to the removed file
6238 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
6239 * arm*-*-netbsd* and ns32k-*-netbsd*.
6240 * config/i386/xm-netbsd.h: Removed unnecessary file.
6241 * config/m68k/xm-netbsd.h: Likewise.
6242 * config/sparc/xm-netbsd.h: Likewise.
6243 * config/mips/xm-netbsd.h: Likewise.
6245 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
6247 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
6248 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
6250 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
6251 for exact section attributions.
6253 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
6255 * i386/crtdll.h (CPP_PREDEFINES): Define.
6257 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
6259 * m68k.md (5200 movqi): Do not allow byte sized memory references
6261 * m68k.c (output_move_qimode): Do not use byte sized operations on
6264 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
6265 explicit rules for building. Similarly for alloca, vfprintf,
6266 choose-temp and mkstemp, getopt, getopt1, and obstack.
6267 (INCLUDES): Add $(srcdir)/../include.
6268 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
6269 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
6271 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
6273 * gcc.c (do_spec_1): [case 'o'] Account for
6274 lang_specific_extra_outfiles.
6275 (main): Correctly clear all slots in outfiles for
6276 lang_specific_extra_outfiles. Set input_file_number before
6277 calling lang_specific_pre_link.
6279 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
6281 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
6283 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6285 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
6287 (sparc_output_deferred_case_vectors): If no work to do, return.
6288 Fix thinko in Sept 1 change.
6290 1998-09-03 SL Baur <steve@altair.xemacs.org>
6292 * Makefile.in: add semicolon in BISON definition for portability.
6294 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6296 * config/nextstep.c (handle_pragma): Correct name of third
6299 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
6301 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
6302 * config/m32r/m32r.h: Make register 17 be fixed.
6303 * config/m32r/m32r.c: Use SImode for cc operations.
6305 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
6307 * invoke.texi (Warning Options): Add -Wnon-template-friend
6310 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
6312 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
6314 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
6316 * rs6000.md (movsf): Disable explicit secondary-reload-like
6317 functionality if TARGET_POWERPC64.
6318 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
6321 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
6323 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
6324 and term.h from fixinc.wrap.
6326 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6328 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
6329 safe to include both string.h and strings.h together.
6330 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
6331 which headers to search for function declarations. Continue to
6332 prefer string.h over strings.h when both are not acceptable.
6334 * acconfig.h (STRING_WITH_STRINGS): Add stub.
6336 * configure.in: Call GCC_HEADER_STRING.
6338 * system.h: Test STRING_WITH_STRINGS when deciding which headers
6339 to include. Continue to prefer string.h over strings.h when both
6342 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6344 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
6345 not assume top 32-bits of symbolic addresses are zero if
6348 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
6350 * ginclude/va-alpha.h: Protect entire second portion of the
6351 file against double inclusion.
6353 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
6355 Added support for the Boehm's garbage collector.
6356 * configure.in: Handle --enable-objc-gc.
6357 * configure: Rebuilt.
6358 * Makefile.in (CHECK_TARGETS): Add check-objc.
6359 (check-objc): New rule.
6360 * objc/Make-lang.in: Build a different Objective-C library that
6361 runs with the Boehm's collector.
6362 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6363 * objc/encoding.c: Correctly compute the size of compound types in
6364 the presence of bitfields. Skip the variable name of the type if
6365 any. Added support for long long.
6366 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
6367 (_F_GCINVISIBLE): New mask.
6368 * objc/gc.c: New file. Compute the type memory mask associated with
6369 a class based on the runtime information.
6370 * objc/misc.c: Added the hooks that use the Boehm's collector
6371 allocation functions.
6372 * objc/objc-act.c (build_class_template): Generate a new class
6373 member (gc_object_type) to hold the class' type memory mask.
6374 (build_shared_structure_initializer): Initialize the new member to
6376 (encode_complete_bitfield): New function. Generate the new
6378 (encode_field_decl): Generate the new encoding only for the GNU
6380 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
6382 (class_get_gc_object_type): New function to mark a pointer instance
6383 variable as a weak pointer.
6384 * objc/objc-features.texi: New file.
6385 * objc/objc.h (gc_object_type): New class member.
6386 * objc/objects.c (class_create_instance): Create a typed memory
6387 object when compiled with Boehm's collector support.
6388 * objc/sendmsg.c (__objc_init_install_dtable): Call
6389 __objc_send_initialize instead of setting the initialize flag.
6390 (__objc_send_initialize): Call __objc_generate_gc_type_description
6391 to generate the class type memory mask. Rewrite the code that
6392 sends the +initialize so that it is called only once (bug report
6393 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
6394 * testsuite/objc: New testsuite for Objective-C type encoding.
6395 * testsuite/lib/objc-torture.exp: New file.
6396 * testsuite/lib/objc.exp: New file.
6398 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
6400 * jump.c (jump_optimize): In if/then/else transformations, add
6401 another call to modified_between_p for the jump insn.
6403 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
6405 * fix-header.c (symlink): Treat like readlink.
6407 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6409 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
6412 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
6414 * config/nextstep.h: Update HANDLE_PRAGMA macro.
6415 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
6416 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
6418 * config/nextstep.c (handle_pragma): Take three arguments, as per
6419 the new HANDLE_PRAGMA macro specification.
6420 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
6421 per the new HANDLE_PRAGMA macro specification.
6422 * config/i960/i960.c (process_pragma): Take three arguments, as
6423 per the new HANDLE_PRAGMA macro specification.
6425 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
6427 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
6428 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
6429 if unknown pragmas are encountered.
6430 (handle_sysv_pragma): Interpret return code from
6431 handle_pragma_token (). Return success/failure indication rather
6432 than next unprocessed character.
6433 (pragma_getc): New function: retrieves characters from the
6434 input stream. Defined when HANDLE_PRAGMA is enabled.
6435 (pragma_ungetc): New function: replaces characters back into the
6436 input stream. Defined when HANDLE_PRAGMA is enabled.
6438 * c-pragma.c (handle_pragma_token): Return success/failure status
6441 * c-pragma.h: Change prototype of handle_pragma_token().
6443 * varasm.c: (handle_pragma_weak): Only create this function if
6444 HANDLE_PRAGMA_WEAK is defined.
6446 * c-common,c (decl_attributes): If defined call the expression
6447 contained within the INSERT_ATTRIBUTES macro before adding
6448 attributes to a decl.
6450 * tm.texi (HANDLE_PRAGMA): Document the new verion of
6451 HANDLE_PRAGMA, which takes three arguments.
6452 (INSERT_ATTRIBUTES): Document this new macro.
6454 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
6455 new INSERT_ATTRIBUTES macro.
6457 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6459 * config/sparc/sparc.md (movdf): Only generate special RTL for
6460 LABEL_REFs when PIC.
6461 (move_label_di): Remove
6462 (movdi_pic_label_ref, movdi_high_pic_label_ref,
6463 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
6464 references when PIC.
6465 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
6466 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
6467 output an .xword for all 64-bit cases.
6469 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6471 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
6472 alignment, use FUNCTION_BOUNDARY instead.
6473 (sparc_output_deferred_case_vectors): Likewise.
6475 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6477 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
6478 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
6480 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
6482 * alpha/va_list.h: New file.
6483 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
6485 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
6487 * NEWS: Add SCO Openserver and Unixware 7 notes.
6491 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
6493 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
6494 (record_constant_1): Handle RANGE_EXPR.
6496 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
6498 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
6499 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
6500 and NOTE_INSN_RANGE_END specially.
6501 (reemit_notes): Likewise.
6503 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6505 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
6506 (ultrasparc_sched_init): Remove unneeded &.
6508 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6510 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
6511 for m68020-60, to prevent the use of fintrz.
6513 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
6515 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
6517 * Makefile.in: Likewise.
6518 * configure: Regenerated.
6520 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
6522 * configure.in (gxx_include_dir): Changed to
6523 '${prefix}/include/g++'-${libstdcxx_interface}.
6524 * configure: Rebuilt.
6526 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
6528 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
6530 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
6531 *sequences* *below* which scalar moves will be used.
6533 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
6535 * collect2.c (mktemp): Delete unused declaration.
6537 * config/xm-netbsd.h: Remove unnecessary file.
6538 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
6539 file anymore, it is not needed.
6541 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
6543 * convert.c (convert_to_integer): Issue an error on conversions to
6546 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
6548 * Makefile.in: Add lang_tree_files and gencheck.h.
6549 * configure.in: Generate them.
6550 * gencheck.c: Include gencheck.h.
6552 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6554 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
6555 movdi_lo_sum_pic and movdi_high_pic and make visible.
6556 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
6557 emit these when Pmode is not SImode.
6558 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
6560 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
6562 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
6563 .linkonce directive after the first time.
6565 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
6567 * m68k.md (beq0_di): Generate correct (and more efficient) code when
6568 the clobbered operand overlaps with an input.
6569 (bne0_di): Similarly.
6571 * Makefile.in (INSTALL): Remove "--no-header" argument.
6573 * NEWS: Various updates.
6575 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6577 * config/sparc/sparc.c (arith_operand, const64_operand,
6578 const64_high_operand, arith_double_4096_operand): Mark mode as
6580 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
6582 (sparc_emit_set_const64): Remove unused variable i.
6583 (sparc_splitdi_legitimate): Likewise for addr_part.
6584 (ultra_code_from_mask): Likewise for mask.
6585 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
6586 reverse return values so it matches usage and comments.
6587 (ultra_flush_pipeline): Likewise.
6588 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
6589 this_type, and allow loads and stores of differing FP modes as
6590 they do not create a conflict.
6591 (ultra_find_type): Initialize fpmode to SFmode, fix
6592 parenthesization thinkos in large conditional.
6593 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
6594 Init free_slot_mask after ultra_cur_hist is reset, not before.
6595 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
6596 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
6597 use ultra_flush_pipeline instead, then re-init group pointer.
6598 Fix statement with no effect. If no progress made in, and no
6599 instructions scheduled at all, advance to new pipeline cycle else
6600 we get into an endless loop.
6601 (ultrasparc_adjust_cost): Remove previous arg.
6602 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
6604 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
6606 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
6607 code. Use reg_overlap_mentioned_p to detect when source and
6608 destination overlap.
6609 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
6611 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
6613 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
6614 COMPARISON_VAL, into invariant_p.
6616 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6618 * regmove.c (regclass_compatible_p): New function.
6619 (regmove_optimize): Use it.
6621 Use NREGS parameter insted of calling max_reg_num.
6623 (fixup_match_1): Don't use code = MINUS when later tieing with
6624 a hard register is likely.
6626 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6628 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
6629 COMPARISON_VAL was normalized.
6631 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
6633 * loop.c (check_dbra_loop): The loop ending comparison value
6634 must be an invariant or we can not reverse the loop.
6636 * loop.c (scan_loop): Count down from max_reg_num - 1 to
6637 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
6639 (load_mems_and_recount_loop_regs_set): Likewise.
6641 * i386.c (print_operand): Remove obsolete 'c' docs.
6643 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
6645 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
6646 * frame.c (init_object_mutex): New function.
6647 (init_object_mutex_once): Likewise.
6648 (find_fde): Call it.
6649 (__register_frame_info): Likewise.
6650 (__register_frame_info_table): Likewise.
6651 (__deregister_frame_info): Likewise.
6653 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
6655 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
6657 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6659 * loop.c (check_dbra_loop): Enable code for reversal
6660 of some loops without a known constant loop end.
6662 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
6664 * haifa-sched.c (last_clock_var): New.
6665 (schedule_block): Initialize it.
6666 (schedule_insn): Use it to fill insn modes with issue information.
6668 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
6669 Tag trapb and next insn with TImode.
6670 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
6671 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
6672 Invoke alphaev5_align_insns as appropriate.
6673 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
6674 (MD_SCHED_VARIABLE_ISSUE): New.
6675 * alpha.md (attr type): Add multi.
6676 (define_asm_attributes): New.
6677 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
6678 (arg_home): Likewise.
6679 (fnop, unop, realign): New.
6681 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
6683 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
6684 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
6686 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
6687 (rs6000-ibm-aix4.[12]*): Likewise.
6688 * configure: Regnerate.
6690 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
6692 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
6693 already contains the return address.
6695 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
6697 * calls.c (expand_call): Use bitfield instructions to extract/deposit
6698 word sized hunks when loading unaligned args into registers.
6700 * haifa-sched.c (sched_analyze_insn): Only create scheduling
6701 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
6703 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
6705 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6707 * loop.c (check_dbra_loop): Add some code that would allow reversal
6708 of some loops without a known constant loop end if it were enabled.
6710 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
6712 * mips.md (lshrsi3_internal2+2): Fix type-o.
6714 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6716 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
6717 correctly with regards to stdio.h.
6719 * calls.c: Remove stdarg.h/varargs.h.
6722 * combine.c: Likewise.
6723 * cpperror.c: Likewise.
6724 * cpplib.c: Likewise.
6725 * cpplib.h: Likewise.
6726 * doprint.c: Likewise.
6727 * emit-rtl.c: Likewise.
6728 * final.c: Likewise.
6729 * fix-header.c: Likewise.
6731 * genattr.c: Likewise.
6732 * genattrtab.c: Likewise.
6733 * gencodes.c: Likewise.
6734 * genconfig.c: Likewise.
6735 * genemit.c: Likewise.
6736 * genextract.c: Likewise.
6737 * genflags.c: Likewise.
6738 * genopinit.c: Likewise.
6739 * genoutput.c: Likewise.
6740 * genpeep.c: Likewise.
6741 * genrecog.c: Likewise.
6742 * mips-tfile.c: Likewise.
6743 * prefix.c: Likewise.
6744 * protoize.c: Likewise.
6745 * regmove.c: Likewise.
6746 * toplev.c: Likewise.
6749 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6751 * config/sparc/sparc.c (sparc_override_options): If not
6752 TARGET_FPU, turn off TARGET_VIS.
6753 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
6754 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
6755 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
6756 (movdi_insn_sp64): Add VIS fzero alternative.
6757 (clear_sf, clear_df): New VIS patterns.
6758 (movsf, movdf expanders): Allow fp_zero_operand flat out when
6760 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
6762 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
6764 * loop.c (n_times_set, n_times_used, may_not_optimize,
6765 reg_single_usage): Convert to varrays. All uses changed.
6766 (insert_loop_mem): Return a value.
6767 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
6768 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
6771 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
6774 * configure.in: Do not set thread_file to "irix" since no such
6777 * sparc.md (float abs/neg splits): Check reload_completed before
6778 calling alter_subreg.
6780 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6782 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
6784 * config/sparc/sparc.h: Declare it.
6785 * config/sparc/sparc.md (float abs/neg splits): Use it.
6786 (all other splits): Handle SUBREGs properly where necessary.
6787 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
6789 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
6791 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
6792 an insn on the unfilled_slots_list that has no delay slots.
6793 (fill_eager_delay_slots): Similarly.
6795 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
6797 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
6798 as an ordinary operand.
6800 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
6802 * tree.c (valid_machine_attribute): Don't apply attributes to both
6805 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
6807 * reload.c (operands_match_p): Handle rtvecs.
6809 * i386.c (legitimate_pic_address_disp_p): New.
6810 (legitimate_address_p): Use it.
6811 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
6812 Handle constant pool symbols just like statics.
6813 (emit_pic_move): Use Pmode not SImode for clarity.
6814 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
6815 [UNSPEC]: New, handling what we killed above.
6816 [PLUS]: Detect and abort on invalid symbol arithmetic.
6817 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
6819 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
6821 * alias.c: Include output.h.
6822 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
6823 different if we're in a varargs function.
6824 * Makefile.in (alias.o): Depend on output.h
6826 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6828 * sh.h (GIV_SORT_CRITERION): Delete.
6830 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
6832 * regclass.c (regclass): Use xmalloc/free instead of alloca.
6833 * stupid.c (stupid_life_analysis): Ditto.
6834 * reload1.c (reload): Ditto.
6836 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6838 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
6839 arith_double_4096_operand, arith_double_add_operand): New
6841 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
6842 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
6843 them to transform add/sub 4096 into add/sub -4096.
6845 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6847 * loop.c (scan_loop): Allocate some slop to handle pseudos
6848 generated by move_movables.
6849 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
6852 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
6854 * tree.def (DECL_RESULT): Correct documentation.
6856 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6858 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
6859 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
6860 conflicts will all RELOAD_FOR_OUTPUT reloads.
6862 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
6863 loads the function result, substitute with a USE.
6865 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6867 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
6868 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
6869 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
6870 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
6871 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
6872 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
6874 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
6875 'o' to 'm' for GPR variant constraints.
6877 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
6879 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
6881 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
6883 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
6884 when the source and destination overlap.
6886 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
6887 clash with global type.
6889 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
6891 * fixinc.irix: Add curses.h handling from fixinc.wrap.
6893 * c-common.c (combine_strings): Also set TREE_READONLY.
6894 Change warn_write_strings to flag_const_strings.
6895 * c-decl.c, c-tree.h: Likewise.
6897 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6899 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
6900 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
6901 sequence, use SET/IOR instead so CSE can see it.
6902 * config/sparc/sparc.md (movhi_const64_special,
6903 movsi_const64_special): New patterns necessitated by that change.
6904 (movhi_high): Remove.
6905 (movhi_lo_sum): Change to match an IOR.
6906 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
6907 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
6908 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
6909 (movdf splits): Allow when not V9 or when not ARCH64 and integer
6910 registers are involved.
6911 (snesi_zero_extend split): Remove reload_completed test.
6912 (unnamed plus and minus zero_extend sidi splits): Add it.
6914 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
6916 * extend.texi: Remove description of extension to explicit
6917 instantiation that is now endorsed by standard C++.
6919 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6921 * config/arc/arc.c (arc_initialize_pic): Remove.
6922 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
6923 nothing on any platform and is invoked by no-one, it does not even
6924 appear in the documentation.
6925 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
6926 * config/sparc/sparc.c (initialize_pic): Likewise.
6927 (find_addr_reg): Remove this as well, no longer referenced after
6930 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
6932 * recog.c (validate_replace_rtx_group): New function.
6933 * recog.h (validate_replace_rtx_group): Declare it.
6934 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
6935 the entire group of substitutions.
6937 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
6939 * loop.c (load_mems): Fix initializers.
6941 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6943 * config/sparc/sparc.md (TFmode splits): Handle destination
6944 registers being referenced in the address correctly.
6946 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
6947 TREE_UNSIGNED, when bitsize of type's mode is larger than
6948 HOST_BITS_PER_WIDE_INT.
6950 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6952 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
6953 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
6954 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
6956 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
6959 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
6961 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
6962 * h8300.h (TINY_DATA_NAME_P): Likewise.
6963 (STRIP_NAME_ENCODING): Handle '&'.
6965 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
6966 register (it could be accessed via an outer SUBREG).
6967 (REG_OK_FOR_BASE_P): Likewwise.
6968 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
6970 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
6973 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
6975 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6977 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
6978 must be offsettable so the splits can be made.
6980 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
6982 * config/i386/winnt.c: Include system.h, not stdio.h to get
6983 sys/param.h pulled in before rtl.h in case the system defines MIN
6986 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
6988 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
6990 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
6992 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
6994 * cpplib.c (cpp_define): Handle macros with parameters.
6996 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6998 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
6999 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
7000 and DImode 64-bit. Use llong for minimal-toc SFmode and
7001 SYMBOL_REF / LABEL_REF 64-bit.
7002 (output_function_profiler): Use llong for profiler label and ld to
7003 load 64-bit label address.
7005 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
7007 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
7010 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
7012 * version.c: Bump for snapshot.
7014 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
7016 * version.c: Bump for snapshot.
7018 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
7020 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
7022 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
7024 * tm.texi (Misc): Fix typo "teh".
7026 * tm.texi (PIC): Fix typo "PPIC".
7028 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
7029 effect when -O2 and higher.
7030 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
7032 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
7034 * regclass.c: Changed register set documentation to be consistent
7037 * final.c (final_start_function) Removed redundant test for
7040 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
7042 * rtl.h (rtx_function): New type.
7043 (for_each_rtx): New function.
7044 * rtlanal.c (for_each_rtx): Define it.
7046 * recog.c (change_t): New type.
7047 (change_objects, change_old_codes, change_locs, change_olds):
7049 (changes): New variable.
7050 (validate_change): Dynamically allocate room for more changes, if
7051 necessary. Uses changes array instead of change_objects, etc.
7052 (apply_change_group): Use changes array instead of
7053 change_objects, etc.
7055 * loop.c (loop_mem_info): New type.
7056 (loop_mems): New variable.
7057 (loop_mems_idx): Likewise.
7058 (looop_mems_allocated): Likewise.
7059 (scan_loop): Remove nregs parameter.
7060 (next_insn_in_loop): New function.
7061 (load_mems_and_recount_loop_regs_set): Likewise.
7062 (load_mems): Likewise.
7063 (insert_loop_mem): Likewise.
7064 (replace_loop_mem): Likewise.
7065 (replace_label): Likewise.
7066 (INSN_IN_RANGE_P): New macro.
7067 (loop_optimize): Don't pass max_reg_num() to scan_loop.
7068 (scan_loop): Remove nregs parameter, compute it after any new
7069 registers are created by load_mems. Use INSN_IN_RANGE_P and
7070 next_insn_in_loop rather than expanding them inline. Call
7071 load_mems to load memory into pseudos, if appropriate.
7072 (prescan_loop): Figure out whether or not there are jumps from the
7073 loop to targets other than the label immediately following the
7074 loop. Call insert_loop_mem to notice all the MEMs used in the
7075 loop, if it could be safe to pull MEMs into REGs for the duration
7077 (strength_reduce): Use next_insn_in_loop. Tweak comments.
7079 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
7081 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
7083 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7085 * config/sparc/sparc.c (finalize_pic): Check for the correct
7086 nonlocal_goto_receiver UNSPEC number.
7087 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
7088 making note of this dependency existing in sparc.c
7089 (negtf2_notv9 split): Give NEG SFmode.
7090 (negsf2): Fix insn output string.
7092 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
7094 * c-common.c (decl_attributes): Issue an error if the argument
7095 to alias is not a string.
7097 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
7099 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
7100 pending memory flush list.
7102 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
7104 (try_combine): Allow combining insns with REG_LIBCALL notes.
7106 * expr.c (emit_block_move): Do not call memcpy as a libcall
7107 instead build up a CALL_EXPR and call it like any other
7109 (clear_storage): Similarly for memset.
7111 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
7114 * Makefile.in (cplus-dem.o): Provide explicit rules for building
7117 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
7118 and REG_LIVE_LENGTH as successful substitutions are made.
7120 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7122 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
7123 statement after end of loop label.
7125 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7127 * config/sparc/sparc.c (ultra_types_avail): New variable.
7128 (ultra_build_types_avail): New function to record mask of insn
7129 types in ready list at this cycle.
7130 (ultrasparc_sched_reorder): Call it.
7131 (ultra_find_type): Use it to quicken the search. Also simplif
7132 dependency check, don't use rtx_equal_p because we know exactly
7133 what we are looking for.
7135 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
7137 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
7138 for architecture v4.
7140 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7142 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
7144 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
7145 movdf_const_intreg and helper splits): New patterns to move float
7146 constants into integer registers.
7147 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
7150 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
7153 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
7155 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
7157 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
7158 a BASE_REGS register is needed as an intermediate when copying
7159 a symbolic value into any register class other than BASE_REGS.
7161 * expr.c (move_by_pieces): No longer static. Remove prototype.
7162 * rtl.h (move_by_pieces): Add extern prototype.
7163 * mips.c (expand_block_move): Handle aligned straight line copy by
7164 calling move_by_pieces.
7166 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
7169 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
7171 * stmt.c (expand_end_loop): Tidy. Allow unconditional
7172 jumps out of the loop to be treated as part of the exit test.
7174 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7175 Jeff Law <law@cygnus.com>
7177 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
7178 * cplus-dem.c: Delete.
7180 * Makefile.in (fold-const.o): depend on $(RTL_H).
7182 * fold-const.c: Include rtl.h to get the prototype for
7183 `set_identifier_local_value'.
7185 * loop.c (express_from_1): Remove unused variable `tmp'.
7186 (combine_givs): cast the first argument of bzero to char *.
7188 * toplev.c (display_help): Remove unused variable `looking_for_start'.
7190 * c-decl.c (init_decl_processing): Remove unneeded &.
7192 * alpha.h (alpha_initialize_trampoline): Provide prototype.
7194 * except.c (set_exception_lang_code, set_exception_version_code):
7195 Change parameter from `short' to `int' to avoid using a gcc
7198 * except.h (set_exception_lang_code, set_exception_version_code):
7199 Likewise for prototypes.
7201 * flow.c (count_reg_references): Remove unused variables `regno'
7204 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
7206 * prefix.c (translate_name): Cast the result of `alloca'.
7208 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
7210 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7212 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
7214 (valid_dbcc_comparison_p): Mark mode argument as unused.
7215 (symbolic_operand): Likewise.
7216 (legitimize_pic_address): Likewise.
7217 (const_uint32_operand): Likewise.
7218 (const_sint32_operand): Likewise.
7219 * sched.c [!INSN_SCHEDULING]: Define only dummy function
7220 schedule_insns and comment out rest of file.
7222 * m68k.c (output_move_simode_const): Use subl to move a zero into an
7224 (output_move_[hq]imode): Likewise.
7226 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
7228 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
7229 * invoke.texi: Corresponding changes.
7231 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
7233 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
7235 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7237 * config/sparc/sparc.c (ultra_code_from_mask,
7238 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7239 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
7240 ultrasparc_sched_init, ultrasparc_variable_issue,
7241 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
7242 functions to describe UltraSPARC pipeline exactly to Haifa.
7243 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
7244 as there is nothing the scheduler can do about it. Indicate that
7245 REG_DEP_OUTPUT's collide. Fixup formatting.
7246 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
7247 divide costs on Ultra for DImode.
7248 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
7250 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
7251 ieuN and add call_no_delay_slot to type list.
7252 (cti function unit): New unit for branches on UltraSPARC.
7253 (subx/addx insns): Set type to misc.
7254 (sidi zero/sign extension insns on arch64): Set type to shift.
7255 (sign_extendhidi2_insn): Set type to sload.
7257 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
7259 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
7260 (output_epilog): Use if != 0 for offset.
7261 (rs6000_fatal_bad_address): Prepare for Intl.
7262 * rs6000.h (rs6000_fatal_bad_address): Declare.
7263 * rs6000.md (movsfcc, movdfcc): Use else if.
7264 (elf_high): Use {liu|lis}.
7265 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
7266 (movsi): Use rs6000_fatal_bad_address.
7268 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
7270 * reload.c (find_equiv_reg): Reject equivalences separated
7271 by a volatile instruction.
7273 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7275 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
7277 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
7279 * alpha.md (movsicc): Fix mode mismatch.
7281 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
7283 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
7285 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
7287 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7289 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
7290 write-only modifier from operand 1 constraint.
7292 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7294 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
7295 emitting a XOR of -1 at the end, emit a NOT instead for combine's
7297 (sparc_emit_set_const64): Likewise, also when computing trailing
7298 bits do not negate low_bits and make fast_int an int.
7300 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
7302 * loop.c (add_label_notes): Do not ignore references to labels
7303 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
7304 * gcse.c (add_label_notes): Similarly.
7306 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
7308 * m68k.md (adddi_dilshr32): One of the operands must be a register.
7309 (adddi_dishl32): Similarly.
7311 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
7313 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
7314 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
7315 * cse.c (cse_basic_block): Add parens to shut up warnings.
7317 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7319 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
7320 sparc_emit_set_const64_longway, const64_is_2insns,
7321 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
7322 in 64-bit constant formation.
7323 * config/sparc/sparc.md (snesi_zero_extend split): Generate
7324 rtl for addx not subx.
7325 (define_insn movdi_const64_special): Make available even when
7326 HOST_BITS_PER_WIDE_INT is not 64.
7327 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
7328 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
7329 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
7330 instances of operand 1 inside a QI subreg.
7331 (xordi3_sp64_dbl): Remove '%' constraint for op1.
7332 (one_cmpldi2_sp64): Fix output string.
7333 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
7335 (unnamed arch64 ashift DI): Truncate shift count if greater than
7338 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7340 * expr.c (store_expr): Don't optimize away load-store pair
7341 when either source or destination have a side effect.
7343 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
7345 * genrecog.c (add_to_sequence): Fatal error if the modes of the
7346 operands of SET are incompatible.
7348 * alpha.md: Fix max and min patterns so modes of SET operands match.
7350 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
7352 * configure.in: Avoid [[ by using test and changequote.
7353 * configure: Rebuild.
7355 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7357 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7359 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7360 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7361 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7362 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7363 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7364 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
7365 Fix mismatching modes in SET operands.
7366 (conditional move patterns): Fix formatting.
7367 (unnamed subx arch64 pattern): Remove duplicate insn.
7369 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7371 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7372 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
7373 (input_operand): Fixup test for what we accept for constant
7375 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
7377 (safe_constDI): Remove.
7378 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7379 gen_safe_XOR64): New functions.
7380 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
7381 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
7383 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
7384 available when HOST_BITS_PER_WIDE_INT is not 64.
7385 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
7386 move before movdi_insn_sp64 pattern.
7387 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
7388 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
7389 symbolic_operand as predicate for second operand.
7390 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
7391 expander): Give set VOIDmode.
7393 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
7395 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
7397 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
7399 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
7401 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
7403 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
7405 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
7407 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
7409 * install.texi: Various SCO OpenServer tweaks.
7411 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
7413 * reload1.c (eliminate_regs_in_insn): Handle another case when
7414 eliminating the frame pointer to the hard frame pointer. Add
7415 missing ep->to_rtx check to one existing case.
7417 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
7419 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7421 * tree.h: De-conditionalize init_priority code.
7423 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
7424 * collect2.c (NM_FLAGS): Change from -p to -n.
7426 * configure.in: Turn on collect2 for mipstx39-elf.
7427 Handle use_collect2=no properly.
7429 * c-common.c: De-conditionalize init_priority code.
7430 * collect2.c (extract_init_priority, sort_ids): New fns.
7431 (main): Call sort_ids.
7432 Move sequence_number to file scope.
7434 * configure.in: Handle --enable-init-priority.
7435 * c-common.c (attrs): Add A_INIT_PRIORITY.
7436 (init_attributes, decl_attributes): Likewise.
7437 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
7438 * tree.c (get_file_function_name_long): Split out...
7439 (get_file_function_name): ...from here.
7441 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
7443 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
7446 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
7448 * toplev.c (display_help): Add braces to shut up warnings.
7449 * tree.c (simple_cst_equal): Likewise.
7451 * fold-const.c (non_lvalue): Don't deal with null pointer
7453 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7455 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
7456 of any size to a pointer.
7458 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
7460 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
7462 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
7464 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
7465 which will be saved.
7466 * mn10300.md (prologue insn): Only save registers which need saving.
7467 (epilogue insn): Similarly.
7469 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
7472 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
7474 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
7475 VAR_DECL's in gp addressable sections.
7477 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
7479 * sparc.c: Change return <exp> to <exp>; return; in functions
7481 * sparc.md: Add empty semicolon statement after final label in
7484 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7486 * config/sparc/sparc.md (define_insn addx_extend): Rename to
7487 addx_extend_sp64, only allow when TARGET_ARCH64.
7488 (define_insn addx_extend_sp32 and split): Version that works when
7490 (define_insn subx_extend): Likewise.
7491 (define_split adddi3 and subdi3 with zero extension): Fixup and
7492 correct bugs when not TARGET_ARCH64.
7494 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
7496 * except.c (set_exception_lang_code, set_exception_version_code):
7497 Use prototype-style definition if __STDC__, to match declaration
7500 * genemit.c: Change FAIL and DONE macros not to use loops.
7502 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
7504 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
7505 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
7507 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
7509 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
7511 * README.g77: Update from Craig.
7513 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7515 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
7517 (safe_constDI sparc_emit_set_const64_quick1,
7518 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7519 analyze_64bit_constant, const64_is_2insns,
7520 create_simple_focus_bits): Fix some bugs when compiled on real
7522 (function_arg_record_value_3, function_arg_record_value_2,
7523 function_arg_record_value): Add fully prototyped forward decls.
7524 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
7525 to cmpsi_insn and use on both 64 and 32 bit targets.
7526 (define_insn cmpsi_insn_sp64): Remove.
7527 (define_expand zero_extendsidi2): Allow for 32-bit target too.
7528 (define_insn zero_extendsidi2_insn): Rename to
7529 zero_extendsidi2_insn_sp64.
7530 (define_insn zero_extendsidi2_insn_sp32): New pattern and
7531 assosciated forced split for it.
7533 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7535 * config/sparc/sparc.h: Declare them.
7536 (PREDICATE_CODES): Add them.
7537 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
7538 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
7540 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
7542 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
7543 in v9 case as the latter makes the Solaris assembler crash.
7545 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7547 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
7548 for TFmode when !v9. We require offsettable memory addresses.
7549 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
7550 DFmode register number conversions.
7551 * config/sparc/sparc.md (define_split DFmode moves): If register
7552 is a SUBREG do alter_subreg on it before using.
7553 (define_expand movtf): Fixup comment about alignment on v9.
7554 (define_split TFmode moves): Don't use gen_{high,low}part, create
7555 explicit SUBREGs instead.
7557 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
7559 * Makefile.in (mbchar.o): Depend on mbchar.c.
7561 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7562 Richard Henderson <rth@cygnus.com>
7564 Rewrite Sparc backend for better code generation and
7565 improved sparc64 support.
7566 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
7568 * config/sparc/sysv4.h: Likewise.
7569 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
7570 move_operand, v8plus_regcmp_op, emit_move_sequence,
7571 singlemove_string, doublemove_string, mem_aligned_8,
7572 output_move_double, output_move_quad, output_fp_move_double,
7573 move_quad_direction, output_fp_move_quad, output_scc_insn):
7575 (small_int_or_double): New predicate.
7576 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
7577 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
7578 old pic_{sethi,lo_sum}_si patterns.
7579 (mem_min_alignment): New generic function to replace
7580 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
7581 available and can test for arbitrary alignments. All callers
7583 (save_regs, restore_regs, build_big_number,
7584 output_function_prologue, output_cbranch, output_return,
7585 sparc_flat_save_restore, sparc_flat_output_function_prologue,
7586 sparc_flat_output_function_epilogue): Prettify
7588 (output_function_epilogue): Likewise and add code to output
7589 deferred case vectors.
7590 (output_v9branch): Likewise, add new arg INSN and use it to tack
7591 on branch prediction settings. All callers changed.
7592 (print_operand): Likewise and output %l44 for LO_SUMs when
7594 (sparc_splitdi_legitimate): New function to make sure DImode
7595 splits can be run properly when !arch64.
7596 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
7597 Reformat example code in comments.
7598 (set_extends): Remove UNSPEC/v8plus_clear_high case.
7599 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
7600 of deferred case vectors we need to output.
7601 (sparc_defer_case_vector): Record a case vector.
7602 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
7603 sparc_output_deferred_case_vectors): New functions to output them.
7604 (sparc_emit_set_const32): New function to form 32-bit constants in
7605 registers when that requires more than one instruction.
7606 (safe_constDI, sparc_emit_set_const64_quick1,
7607 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7608 analyze_64bit_constant, const64_is_2insns,
7609 create_simple_focus_bits, sparc_emit_set_const64): New functions
7610 which do the same for 64-bit constants when arch64.
7611 (sparc_emit_set_symbolic_const64): New function to emit address
7612 loading for all code models on v9.
7613 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
7614 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
7615 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
7616 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
7617 inaccuracies in comments, add symbolic and text_segment operands
7618 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
7619 GENERAL_REGS in these cases as a temp REG is needed to load these
7620 addresses into a register properly.
7621 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
7623 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
7624 quads are guarenteed to have 16-byte alignment.
7625 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
7626 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
7627 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
7628 deferred case vector implementation.
7629 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
7630 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
7631 Generate "internal label - label" instead of "label - 1b".
7632 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
7633 (PREDICATE_CODES): Remove sparc_operand, move_operand,
7634 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
7636 (doublemove_string, output_block_move, output_fp_move_double,
7637 output_fp_move_quad, output_move_double, output_move_quad,
7638 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
7639 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
7640 (sparc_emit_set_const32, sparc_emit_set_const64,
7641 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
7642 mem_min_alignment, small_int_or_double): Add externs.
7643 * config/sparc/sparc.md: Document the many uses of UNSPEC and
7644 UNSPEC_VOLATILE in this backend.
7645 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
7646 unary to types which execute in it.
7647 (define_function_unit ieu_shift): Rename to ieu0.
7648 (define_function_unit ieu1): New, executes compare, call, and
7649 uncond_branch type insns.
7650 (define_function_units for type fdivs, fdivd, fsqrt): These
7651 execute in the fpu multiply unit not the adder on UltraSparc.
7652 (define_expand cmpdi): Disallow TARGET_V8PLUS.
7653 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
7654 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
7655 allows the arith_double_operand predicate and rHI constraint when
7657 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
7658 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
7659 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
7660 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
7661 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
7662 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
7663 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
7664 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
7665 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
7666 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
7667 sign_extendqihi2_insn, sign_extendqisi2_insn,
7668 sign_extendqidi2_insn, sign_extendhidi2_insn,
7669 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
7670 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
7671 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
7672 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
7673 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
7674 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
7675 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
7676 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
7677 smulsi3_highpart_v8plus, unnamed subreg mult,
7678 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
7679 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
7680 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
7681 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
7682 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
7683 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
7684 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
7685 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
7686 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
7687 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
7688 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
7689 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
7690 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
7691 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
7692 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
7693 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
7694 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
7695 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
7696 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
7697 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
7698 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
7699 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
7700 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
7701 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
7702 call_address_untyped_struct_value_sp32,
7703 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
7704 call_value_symbolic_sp32, call_value_address_sp64,
7705 call_value_symbolic_sp64, branch_sp32, branch_sp64,
7706 flush_register_windows, goto_handler_and_restore,
7707 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
7708 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
7709 return_addsi, return_di, return_adddi, return_sf, all call+jump
7710 peepholes, trap, unnamed trap insns): Prettify output strings.
7711 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
7712 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
7713 Likewise and force + implement splits for integer cases.
7714 (define_insn return_sf_no_fpu): Likewise and allow to match when
7715 no-fpu because of our subreg SFmode splits.
7716 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
7717 zero_extendqidi2_insn, zero_extendhidi2_insn,
7718 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
7719 input_operand for second operand.
7720 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
7721 reg_or_0_operand for operand 2 so new splits can use it.
7722 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
7723 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
7725 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
7726 CONST_DOUBLEs for operand 2.
7727 (define_insn move_label_di): Likewise and label distance
7728 optimization because it no longer works with new deferred case
7729 vector scheme. To be revisited.
7730 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
7731 and allow reg_or_0_operand and J constraint for second operand.
7732 (define_insn jump): Set branch predict taken on V9.
7733 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
7734 new deferred case vector scheme.
7735 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
7736 (define_insn negdi2_sp32): Force + implement splits.
7737 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
7738 one_cmplsi2_not_liveg0 respectively, and create expander of original
7739 names which emit special rtl for TARGET_LIVE_G0.
7740 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
7741 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
7742 gen_compare_reg, FAIL instead.
7743 (define_insn sgtu, sleu): Likewise and check gen_s*() return
7744 values when trying to reverse condition codes, if they FAIL then
7746 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
7747 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
7748 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
7749 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
7750 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
7751 set output string to # to indicate they are mandatory splits.
7752 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
7753 pic_sethi_di, move_pic_label_si): Remove.
7754 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
7755 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
7757 (define_expand movsi_pic_label_ref, define_insn
7758 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
7759 expander and insns to handle PIC label references and deferred
7761 (define_insn get_pc_via_rdpc): Comment out as it is no longer
7763 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
7764 Rewrite to not use emit_move_sequence, make use of new constant
7765 formation code, and new splits for all multi-insn cases.
7766 (define_insn movqi_insn): Remove sethi case, it can never happen.
7767 Use reg_or_zero_operand instead of const0_rtx explicit test,
7768 use input_operand instead of move_operand for source, and use
7769 general_operand now for dest.
7770 (define_insn movhi_insn): Similar but leave sethi case.
7771 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
7772 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
7773 movhi_lo_sum respectively, prettify output string.
7774 (define_insn movsi_zero_liveg0): New pattern to put zero into a
7775 register when needed on TARGET_LIVE_G0.
7776 (define_insn movsi_insn): Use general_operand and input_operand
7777 for dest and src respectively. Simplify applicability test.
7778 Prettify output strings, and add clr alternative for J
7780 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
7781 deprecated std and reg-reg DI moves): Remove and...
7782 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
7783 implementation which uses forced splits for all non-single insn
7785 (define_split DI move cases on !arch64): New splits to handle all
7786 situations of 64-bit double register DImode on 32bit, and
7787 unaligned registers and memory addresses for all subtargets.
7788 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
7790 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
7791 input_operand for dest and src respectively, prettify output
7793 (define_insn movdf_insn, movdf_no_e_insn, store_df,
7794 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
7796 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
7797 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
7798 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
7799 movtf_no_e_insn_sp64) Replace with new
7800 implementation which uses forced splits for all non-single insn
7802 (define_split DF move cases): New splits in similar vein to DI
7804 (define_insn sethi_di_medlow, sethi_di_medium_pic,
7805 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
7806 movdi_sp64_insn): Remove old v9 code model and constant loading
7808 (define_insn pic_lo_sum_di, pic_sethi_di,
7809 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
7810 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
7811 embmedany_sethi, embmedany_losum, embmedany_brsum,
7812 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
7813 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
7814 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
7815 scheme, using unspecs, secondary reloads, and one to one sparc
7816 insn to rtl insn mapping for better scheduling and code gen.
7817 (define_expand reload_indi, reload_outdi): Reload helpers for
7818 MEDANY and EMBMEDANY symbol address loading cases which require a
7820 (define_expand movsicc): Remove v8plus_regcmp cases.
7821 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
7822 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
7823 cmp_diqi_trunc_set): New patterns used by some of the new scc
7825 (define_insn xordi3_sp64_dbl): New pattern used for constant
7826 formation when crossing from 32-bit targets.
7827 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
7829 (define_insn addx, subx): Make visible and prettify.
7830 (define_insn adddi3_insn_sp32): Likewise and force split.
7831 (define_insn addx_extend, subx_extend, unnamed): New patterns for
7832 64bit scc split usage.
7833 (define_insn unnamed plusDI zero_extend, unnamed minusDI
7834 zero_extend, subdi3): Force and implement splits.
7836 * final.c (final_scan_insn): Don't output labels if target
7837 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
7840 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
7841 don't forget to walk inside SEQUENCESs too as these are what the
7842 delay slot scheduler will create.
7844 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
7846 * alpha.md (extxl+1,+2): New patterns to work around
7849 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
7851 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
7852 caused bad assembly code to be generated.
7854 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
7856 * netbsd.h: Fix typo.
7858 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
7860 * config.sub: Fix typo.
7862 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
7864 * invoke.texi (Environment Variables): Typo: Change "ascpects"
7866 (Running Protoize): Typo: Change "ther" into "other".
7868 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
7870 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
7871 * m68k/netbsd.h: Likewise.
7872 * ns32k/netbsd.h: Likewise.
7873 * sparc/netbsd.h: Likewise.
7875 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
7877 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
7878 * ginclude/va-clipper.h (va_list): Likewise.
7880 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
7882 * rs6000.c (rs6000_override_options): If big endian and -Os, use
7883 load/store multiple instructions unless user overrides.
7885 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
7887 * ns32k/netbsd.h: Fix typo.
7889 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
7891 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
7892 labels with .debugsym if no parallel insns.
7894 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
7896 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
7897 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
7899 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
7901 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
7902 (AR_FOR_TARGET): Define.
7904 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
7906 * dyn-string.h: New file.
7907 * dyn-string.c: Likewise.
7908 * Makefile.in (OBJS): Add dyn-string.o.
7909 (dwarf2out.o): Add dyn-string.h dependency.
7910 (dyn-string.o): List dependencies.
7911 * dwarf2out.c: Include dyn-string.h.
7912 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
7913 (addr_const_to_string): Take a dyn_string_t, not a char* as a
7914 prototype. Use dyn_string_append rather than strcat, throughout.
7915 (addr_to_string): Use dyn_string_t.
7917 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
7919 Function entry/exit profiling instrumentation:
7920 * expr.h (profile_function_entry_libfunc,
7921 profile_function_exit_libfunc): Declare new variables.
7922 * optabs.c: Define them here.
7923 (init_optabs): Initialize them.
7924 * tree.h (struct tree_decl): New flag
7925 no_instrument_function_entry_exit.
7926 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
7927 * c-decl.c (duplicate_decls): Merge it.
7928 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
7929 (init_attributes): Use it for "no_instrument_function".
7930 (decl_attributes): Handle it, for functions that have not yet been
7931 compiled. Set decl flag.
7932 * flags.h (flag_instrument_function_entry_exit): Declare new
7934 * toplev.c (flag_instrument_function_entry_exit): Define it here.
7935 (f_options): New option "instrument-functions".
7936 * function.h (struct function): New field instrument_entry_exit.
7937 * function.c (current_function_instrument_entry_exit): New
7939 (push_function_context_to, pop_function_context_from): Save and
7941 (expand_function_start): Set current_ variable, maybe emit return
7942 label and entry profile call.
7943 (expand_function_end): Maybe emit exit profile call.
7945 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
7947 * i386.md (movqi): When optimizing a load of (const_int 1) into a
7948 NON_QI_REG_P, pretend the register is SImode.
7950 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
7952 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
7953 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
7954 manufacturer id for ns32k.
7955 * configure: Regenerated.
7956 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
7957 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
7958 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
7959 * config/m68k/netbsd.h: Same.
7960 * config/ns32k/netbsd.h: Same.
7961 * config/sparc/netbsd.h: Same.
7963 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
7965 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
7966 or UNROLL_COMPLETELY loop that starts with a jump to its
7969 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
7971 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
7972 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
7973 (print_operand, case 'B'): Don't fall through.
7974 (print_operand, case 'S'): Correct mask begin/end computation.
7975 Use HOST_BITS_PER_WIDE_INT.
7976 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
7977 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
7978 * rs6000/aix41.h (CPP_PREDEFINES): Same.
7979 * rs6000/aix43.h (CPP_PREDEFINES): Same.
7981 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
7983 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
7984 constraint from second alternative.
7986 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
7988 * configure.in: Fix --without/--disable cases for local-prefix,
7989 gxx-include-dir and checking.
7991 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7993 * configure.in (enable_haifa): Set by default for sparc64 too.
7996 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
7998 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
7999 * i386/winnt.c (associated_type): New fn.
8000 (i386_pe_valid_type_attribute_p): New fn.
8001 (i386_pe_check_vtable_importexport): Remove.
8002 (i386_pe_dllexport_p): Use associated_type.
8003 (i386_pe_dllimport_p): Likewise.
8005 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
8006 * i386.c (i386_valid_type_attribute_p): Also accept
8007 attributes for METHOD_TYPEs.
8009 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
8011 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
8013 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
8015 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
8017 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
8018 them from generating a new base name for each occurence of
8021 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
8023 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
8025 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
8029 * cplus-dem.c (type_kind_t): New type.
8030 (demangle_template_value_parm): Add type_kind_t parameter. Rely
8031 on this paramter, rather than demangling the type again.
8032 (demangle_integral_value): Pass tk_integral.
8033 (demangle_template_: Pass the value returned from do_type.
8034 (do_type): Return a type_kind_t. Pass tk_integral to
8035 demangle_template_value_parm for array bounds.
8036 (demangle_fund_type): Likewise.
8038 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
8040 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
8043 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
8045 * pa.c (move_operand): Accept CONSTANT_P_RTX.
8047 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
8049 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
8051 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
8054 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
8056 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
8057 (DEBUGGER_ARG_OFFSET): Likewise.
8059 * mn10300.md (movsf): Remove last change. Not needed.
8061 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
8063 * c-lex.c (yylex): Fix boundary conditions in character literal and
8064 string literal loops.
8066 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
8068 * longlong.h (count_leading_zeros): Sparclite scan instruction was
8069 being invoked incorrectly.
8071 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
8072 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
8074 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
8075 * configure.in: Added i[34567]86-*-win32
8076 * config.sub: Ditto.
8077 * configure: Rebuilt.
8079 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
8081 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
8082 the frame pointer and compiling PIC code and reload has not completed.
8084 * i386.c (output_to_reg): Add code to emulate non-popping DImode
8087 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
8089 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
8091 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8093 * Makefile.in (install-info): Only try to update the info
8094 directory file if it exists in the first place.
8096 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
8098 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
8100 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
8102 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
8103 CONST_DOUBLE source.
8105 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
8107 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
8108 strings as the insertion of USER_LABEL_PREFIX.
8109 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
8111 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
8114 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
8116 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
8117 already defined type.
8119 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
8121 * expr.c (check_max_integer_computation_mode): Allow conversions
8122 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
8123 (expand_expr): Likewise.
8125 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8127 * expr.c (expand_expr): Expand RETURN_EXPR.
8129 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
8131 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
8133 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
8135 * dwarf2out.c (output_aranges): Call stripattributes
8136 for TEXT_SECTION references.
8137 (output_line_info): Likewise.
8139 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8141 * profile.c (branch_prob): Call allocate_reg_info after outputting
8142 profile rtl in instrument_arcs.
8144 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
8146 * fixinc.irix (math.h): Install wrapper instead of copying.
8148 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8150 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
8151 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
8152 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
8153 lang_flag_0. Added documentation in the flag table.
8155 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
8157 * cccp.c (do_include): Fix vax c style include handling.
8159 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8161 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
8163 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
8165 * fold-const.c (non_lvalue): Don't deal with null pointer
8167 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8169 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
8171 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
8172 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
8173 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
8174 (u_short_cint_operand): Same.
8175 (reg_or_cint_operand): Same.
8176 (logical_operand): Same.
8177 (input_operand): Same.
8178 (reg_or_short_operand): Use u_short_cint_operand.
8180 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
8182 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
8183 but keep the insns and splits. Adjust so when the ultimate destination
8184 is memory, use cvtql.
8186 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
8188 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
8190 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
8192 * gcc.c (do_spec): Call "error" not "warning".
8194 * configure.in: Fix minor problems with gas feature detection code.
8195 * configure: Rebuilt.
8197 * gcc.c (do_spec): Issue a warning for '%[]' usage.
8200 * gcc.c: Delete %[spec] support.
8201 (do_spec_1, case '('): Likewise.
8202 (do_spec_1, case '['): Call error.
8204 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
8206 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
8207 (CPP_SUBTARGET_SPEC): Default to empty string.
8208 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
8209 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
8210 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
8211 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
8213 * alpha/linux.h (CPP_PREDEFINES): Tidy.
8214 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
8215 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
8216 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
8217 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
8218 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
8219 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
8220 * alpha/vxworks.h: Likewise.
8222 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
8224 * mips.md (reload_outsi): Added missing REGNO call.
8225 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
8227 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
8228 another match_operator and compare the codes.
8230 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
8232 * MIPS multiply pattern fixes:
8233 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8234 Add union classes for HI, LO, or HILO plus general registers.
8235 (GENERATE_MADD): Deleted.
8236 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
8237 Add TARGET_MAD to condition.
8238 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
8239 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
8240 "*d" for accumulator, to give preference to LO initially but not
8243 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
8245 * configure.in (enable_c_mbchar): New configure option.
8246 (extra_cpp_objs): Always available now.
8248 * cexp.y (mbchar.h): #include it.
8249 (yylex): Handle Multibyte characters in character literals.
8251 * cccp.c (mbchar.h): #include it.
8252 (main): Set character set based on LANG environment variable.
8253 (rescan): Handle multibyte characters in comments.
8254 (skip_if_group): See above.
8255 (validate_else): See above.
8256 (skip_to_end_of_comment): See above.
8257 (macarg1): See above.
8258 (discard_comments): See above.
8259 (rescan): Handle multibyte characters in string and character literals.
8260 (collect_expansion): See above.
8261 (skip_quoted_string): See above.
8262 (macroexpand): See above.
8263 (macarg1): See above.
8264 (discard_comments): See above.
8265 (change_newlines): See above.
8267 * c-lex.c (mbchar.h): #include it.
8268 (GET_ENVIRONMENT): New macro.
8269 (init_lex): Set character set based on LANG environment variable.
8270 (yylex): Handle multibyte characters in character literals.
8271 (yylex): Handle multibyte characters in string literals.
8273 * Makefile.in (mbchar.o): New target.
8274 (cccp$(exeext)): @extra_cpp_objs@ is always available.
8275 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
8277 * mbchar.[ch]: New files for multibyte character handling.
8279 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8281 * jump.c (jump_optimize): When simplifying noop moves and
8282 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
8283 the PUSHes to rewrite in second loop as we did in the first.
8285 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8287 * cplus-dem.c (demangle_nested_args): Make function definition
8288 static to match the prototype.
8290 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
8292 * alloca.c: Respect USE_C_ALLOCA.
8293 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
8294 * gengenrtl.c (xmalloc): Likewise.
8296 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
8298 * loop.h (struct induction): Add no_const_addval.
8299 * loop.c (the_movables, reg_address_cost): New variables.
8300 (init_loop): Init reg_address_cost.
8301 (loop_optimize): Call end_alias_analysis.
8302 (scan_loop): Init the_movables.
8303 (record_giv): Init induction->no_const_addval.
8304 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
8305 [REG]: Rearrange loop search test to catch more cases.
8306 (general_induction_var): Return success not benefit; take an extra
8307 argument for that. Change all callers.
8308 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
8309 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
8310 [default]: Search the_movables for additional combinations.
8311 (sge_plus_constant, sge_plus): New functions.
8312 (express_from_1): New function.
8313 (express_from): Always define. Rewrite using express_from_1.
8314 (combine_givs_p): Handle more cases. Ignore address cost.
8315 (cmp_combine_givs_stats): New function.
8316 (combine_givs_used_once, combine_givs_benefit_from): New functions.
8317 (combine_givs): Rewrite to do best-fit combination.
8319 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
8320 (fold): Do a complete (A*C)+(B*C) association check.
8322 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
8324 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
8326 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
8328 * mn10300.c (MODES_TIEABLE_P): Fix typo.
8330 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
8332 * tree.c (valid_machine_attribute): Only create a new type variant if
8333 there is a decl to use it.
8335 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
8337 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
8340 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
8342 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
8345 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
8347 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
8348 Simplify tests for clearing an address register.
8349 (expand_prologue): Corresponding changes.
8351 * mn10300.md (movXX patterns): Make sure the destination is an
8352 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
8353 (logical patterns): Split into expanders + patterns
8354 (zero and sign extension patterns): Similarly.
8355 (shift patterns): Similarly.
8357 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8359 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8360 for the sequence, recording base values.
8362 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8364 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
8366 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
8368 * gcc.c: Remove ANSI-C ism from --help code.
8370 * toplev.c: Support --help with USE_CPPLIB.
8372 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
8374 * configure.in: Rework gas feature code to work with symlink based
8377 * extend.texi: Clarify some issues related to local variables
8378 assigned to explicit registers.
8380 * mn10300.md (mulsi): Turn into expander + pattern.
8382 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
8385 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
8387 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
8389 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
8391 * version.c: Bump again to distinguish mainline tree from the
8394 See ChangeLog.0 for earlier changes.
8397 add-log-time-format: current-time-string