1 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 * alias.c (record_alias_subset): Remove ignored `&'.
4 (init_alias_once): Likewise.
6 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
8 * config/mips/mips.c (mips_asm_file_end): Cast the result of
9 fwrite to `int' when comparing against one.
11 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
12 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
14 * cse.c (rehash_using_reg): Change type of variable `i' to
17 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
20 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
22 * final.c (final_scan_insn): Likewise for variable `i'.
23 (output_asm_insn): Cast a char to unsigned char when used as an
26 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
29 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
31 * recog.c (preprocess_constraints): Cast a char to unsigned char
32 when used as an array index.
34 * regmove.c (find_matches): Likewise.
36 * reload1.c (calculate_needs): Add default case in switch.
37 (eliminate_regs_in_insn): Initialize variable `offset'.
38 (set_offsets_for_label): Change type of variable `i' to unsigned.
39 (reload_as_needed): Wrap variable `i' in macro check on
40 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
42 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
43 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
44 when comparing against one.
46 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
47 unsigned when comparing against one. Likewise for
49 (layout_record): Cast record_align to int when comparing against a
51 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
54 * tree.c (get_identifier): Cast variable `len' to unsigned when
55 comparing against one.
56 (maybe_get_identifier): Likewise
58 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
60 * toplev.c (rest_of_compilation): Do not set reload_completed.
61 * reload1.c (reload): Set reload_completed before calling
62 cleanup_subreg_operands.
64 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
66 * reload1.c (emit_reload_insns): Check `set' not null before use.
68 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
70 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
73 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
75 * halfpic.c (half_pic_encode): Delete redundant code.
77 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
79 * toplev.c (main): Delete handling of -dM as a preprocessor
82 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
84 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
85 -dI, which are handled by the preprocessor.
87 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
89 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
90 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
92 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
94 * version.c: Bump for snapshot.
96 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
98 * version.c: Bump for snapshot.
100 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
102 * version.c: Bump for snapshot.
104 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
106 * genattr.c (fatal): Qualify a char* with the `const' keyword.
108 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
109 write_unit_name, write_eligible_delay, expand_units,
110 make_length_attrs, write_attr_case, find_attr,
111 make_internal_attr): Likewise.
112 * gencheck.c (tree_codes): Likewise.
113 * gencodes.c (fatal): Likewise.
114 * genconfig.c (fatal): Likewise.
115 * genemit.c (fatal): Likewise.
116 * genextract.c (fatal, walk_rtx, copystr): Likewise.
117 * genflags.c (fatal): Likewise.
118 * genopinit.c (fatal, optabs, gen_insn): Likewise.
119 * genoutput.c (fatal, error, predicates): Likewise.
120 * genpeep.c (fatal): Likewise.
121 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
122 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
124 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
126 * configure.in (with-fast-fixincludes): Fix whitespace.
127 * configure: Rebuilt.
129 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
130 asm() etc. function declarations in __DECC.
132 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
134 * expr.c (emit_move_insn_1): Only emit a clobber if the target
135 is a pseudo register.
137 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
139 * gcse.c: Include expr.h in order to get the prototype for
140 get_condition() which is used in delete_null_pointer_checks().
142 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
144 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
146 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
148 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
149 (ALL_CFLAGS): Delete SCHED_CFLAGS.
151 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
153 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
156 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
158 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
159 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
160 optimizations from the combiner.
162 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
164 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
166 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
168 * toplev.c (main): Disable optimize_size if a specific
169 optimization level is requested. Always set optimization
170 level to 2 if -Os is specified.
172 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
174 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
176 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
177 initialize it using fname.
179 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
181 * cpplib.c (do_include): Treat #include_next in the
182 primary source file as #include plus warning. Treat
183 #include_next in a file included by absolute path as an
184 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
186 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
188 * cccp.c: Don't define MIN/MAX anymore.
189 * cpplib.c: Likewise.
190 * machmode.h: Likewise.
191 * system.h: Provide definitions for MIN/MAX.
193 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
195 * fix-header.c: Don't define xstrdup here.
197 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
199 * loop.c (consec_sets_giv): New argument last_consec_insn.
200 (strength_reduce): Provide / use it.
202 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
204 * loop.h (loop_info): New field 'vtop'.
205 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
206 scanning loop for vtop.
207 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
208 (loop_iterations): Use them to determine if loop has a constant
209 number of iterations. Set loop_info->vtop. Don't subtract
210 common reg term from initial_value and final_value if have a
213 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
215 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
217 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
219 * mn10200.md (abssf2, negsf2): New expanders.
221 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
223 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
225 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
226 replaced by a CONCAT whoes components do not have the same
227 mode as the original SUBREG, use a new SUBREG to restore the
230 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
231 multiword complex values.
233 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
235 * cppalloc.c: Add xstrdup here.
236 * cpplib.h: Remove savestring prototype.
237 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
239 * cppfiles.c: s/savestring/xstrdup/ throughout.
241 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
243 * cpplib.c: Make all directive handlers read their own
245 (struct directive): Remove last two arguments from FUNC
246 member prototype. Remove `command_reads_line' member
248 (directive_table): Remove initializations of
249 command_reads_line flag. Pretty-print.
250 (eval_if_expression, do_define, do_line, do_include,
251 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
252 do_else, do_elif, do_sccs, do_assert, do_unassert,
253 do_warning): Take only two args.
255 (cpp_define): Call do_define with two args and the text to
256 define stuffed into a buffer.
257 (make_assertion): Call do_assert with two args.
258 (handle_directive): Call do_line with two args. Call
259 kt->func with two args. Remove command_reads_line
261 (do_define, do_undef, do_error, do_warning, do_pragma,
262 do_sccs): Read the rest of the line here.
263 (do_ident): Gobble rest of line, as cccp does.
264 (cpp_undef): New function.
265 (cpp_start_read): Call cpp_undef instead of do_undef.
267 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
269 * cpphash.h (union hash_value): Remove `keydef' member, add a
270 `struct hashnode *aschain' member for #assert.
272 * cpplib.c (struct tokenlist_list, struct
273 assertion_hashnode): Delete structure definitions.
274 (assertion_install, assertion_lookup, delete_assertion,
275 check_assertion, compare_token_lists, reverse_token_list,
276 read_token_list, free_token_list): Delete functions.
277 (parse_assertion): New function.
278 (cpp_cleanup): Don't destroy the assertion_hashtable.
280 (do_assert): Gut and rewrite. #assert foo (bar) places
281 entries for `#foo' and `#foo(bar)' in the macro hash table,
282 type T_ASSERT. The value union's `aschain' member is used
283 to chain all answers for a given predicate together.
284 (do_unassert): Also rewritten. Take an un-asserted
285 answer off the chain from its predicate and call
286 delete_macro on the hashnode, or walk a predicate chain
287 calling delete_macro on all the entries.
288 (cpp_read_check_assertion): Simply call parse_assertion to
289 get the canonical assertion name, and look that up in the
292 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
295 * cpphash.c (install): Use bcopy instead of an explicit loop
296 to copy the macro name.
298 * cppexp.c (cpp_lex): Convert the result of
299 cpp_read_check_assertion to a `struct operation' directly;
300 don't go through parse_number.
302 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
304 * loop.h (struct induction): Delete times_used member.
305 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
306 (n_times_used): Rename to n_times_set. Changed all users.
307 (scan_loop): Free reg_single_usage before strength reduction.
308 (record_giv, combine_givs): Remove handling of times_used member.
309 (combine_givs_used_once): Rename to:
310 (combine_givs_used_by_other) . Changed all callers.
312 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
314 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
315 instead of TREE_CODE_CLASS == 't'.
316 (gen_type_die): Likewise.
317 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
319 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
321 * real.c (endian): Disable last change unless
322 HOST_BITS_PER_WIDE_INT is greater than 32.
324 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
326 * output.h (force_data_section): New prototype.
327 * varasm.c (force_data_section): New function to force the
328 data section, regardless of what in_section thinks.
329 * dwarf2out.c (output_call_frame_info): Call force_data_section
330 since varasm may not realize we've changes sections.
332 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
334 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
335 after completeing reload.
337 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
338 deleted after reload.
340 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
342 * rtl.h (multiple_sets): Fix prototype.
343 * rtlanal.c (multiple_sets): Fix return type.
345 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
347 * version.c: Bump for snapshot.
349 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
351 * version.c: Bump for snapshot.
353 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
355 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
357 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
359 * rtl.h (recompute_reg_usage): Add second argument.
360 * flow.c (recompute_reg_usage): Likewise.
361 * toplev.c (rest_of_compilation): Supply second argument to
364 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
367 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
369 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
370 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
371 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
374 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
376 * rtlanal.c (multiple_sets): New function.
377 * rtl.h (multiple_sets): Declare it.
378 * local-alloc.c (wipe_dead_reg): Use it.
379 * global.c (global_conflicts): Likewise.
381 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
383 * global.c (record_conflicts): Don't use an array of shorts to
384 store an array of ints.
385 (global_conflicts): Likewise.
387 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
389 * alpha.c (alpha_expand_block_move): mode_for_size expects
390 bits, not bytes. Infer extra alignment from addressof.
392 1998-12-11 Michael Meissner <meissner@cygnus.com>
394 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
395 .sbss section, not .sdata.
397 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
399 * cccp.c: Do not #include <sys/stat.h> here; this is already done
401 * collect2.c: Likewise.
402 * cpplib.h: Likewise.
405 * getpwd.c: Likewise.
406 * protoize.c: Likewise.
407 * toplev.c: Likewise.
409 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
410 and don't try to define it here.
411 * Makefile.in (cppmain.o): Depend on machmode.h.
412 (cpplib.o): Likewise.
413 (cpperror.o): Likewise.
414 (cppexp.o): Likewise.
415 (cppfiles.o): Likewise.
416 (cpphash.o): Likewise.
417 (cppalloc.o): Likewise.
418 (fix-header.o): Likewise.
419 (scan-decls.o): Likewise.
421 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
423 * sh.c (print_operand): lookup interrupt_handler attribute instead
424 of relying on static variable.
425 * (calc_live_regs): Likewise.
426 * (sh_pragma_insert_attributes): Create interrupt_handler
427 attribute if a pragma was specified
428 * (sh_valid_machine_decl_attribute): Don't set static flag.
429 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
431 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
433 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
434 to determine if a register is live at a jump destination.
435 Everything is dead at a BARRIER.
437 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
439 * cse.c (simplify_unary_operation): Sign-extend constants when
440 they have the most significant bit set for the target.
441 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
443 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
444 HOST_WIDE_INT temporary before negating it.
445 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
447 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
449 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
452 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
454 * collect2.h: New header file for prototypes.
456 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
458 * collect2.c: Include collect2.h.
461 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
463 * flow.c: Update some comments.
465 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
467 * objc/objc-act.c (cpp_initialized): Removed.
468 (lang_init_options): Initialize cpplib.
469 (lang_decode_option): Move initialization of cpplib to
471 * c-lang.c: (parse_options,parse_in): Added.
472 (lang_init_options): Initialized cpplib here.
473 * c-decl.c (parse_options,cpp_initialized): Removed.
474 (c_decode_option): Move initialization of cpplib to
477 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
479 * reload1.c (reload_combine, reload_combine_note_store):
480 Make STORE_RUID always valid.
481 (reload_combine): Check if BASE is clobbered too early.
483 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
485 * reload.c (find_reloads): Display the insn that cannot be
488 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
490 * cccp.c (create_definition): Fix end of bufer logic.
492 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
494 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
495 pointer parameters changed to use the PARAMS() macro.
497 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
499 * except.h (struct handler_info): Add handler_number field.
500 * except.c (gen_exception_label): EH labels no longer need to be
501 on the permanent obstack.
502 (get_new_handler): Set the label number field.
503 (output_exception_table_entry): Regenerate handler label reference
504 from the label number field.
505 (init_eh): Remove a blank line.
506 * integrate.c (get_label_from_map): Labels no longer need to be
507 on the permanent obstack.
509 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
511 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
512 only when OUTER_CODE is SET.
514 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
516 * loop.c (strength_reduce): If scan_start points to the loop exit
517 test, be wary of subversive use of gotos inside expression statements.
518 Don't set maybe_multiple for a backward jump that does not
519 include the label under consideration into its range.
520 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
522 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
524 * explow.c (plus_constant_wide): Don't immediately return with
525 result of recursive call.
527 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
529 * eh-common.h (struct eh_context): Add table_index for rethrows.
531 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
532 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
533 processed when inlined or unrolled (ie duplicated in some way).
535 * rtl.c (reg_note_name): Add strings for new reg_note enums.
537 * expr.h (rethrow_libfunc): New library decl.
539 * optabs.c (rethrow_libfunc): Initialize.
541 * except.h (struct eh_entry): Add new field 'rethrow_label'.
542 (new_eh_region_entry): No longer exported from except.c.
543 (duplicate_handlers): Renamed to duplicate_eh_handlers and
545 (rethrow_symbol_map, rethrow_used): New exported functions.
546 (eh_region_from_symbol): New exported function.
548 * except.c (create_rethrow_ref): New function to create a single
549 SYMBOL_REF for a rethrow region.
550 (push_eh_entry): Initialize a rethrow ref.
551 (func_eh_entry): Add a rethrow_label field.
552 (new_eh_region_entry): Make static, and initialize the rethrow entry.
553 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
554 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
555 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
556 a region into an appropriate new symbol.
557 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
558 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
559 (end_catch_handler): Emit a barrier for new-exceptions since
560 control can never drop through the end of a catch block.
561 (expand_end_all_catch): new-exceptions never fall through a catch
563 (expand_rethrow): use __rethrow routine for new exceptions.
564 (output_exception_table_entry): Generate rethrow labels, if needed.
565 (output_exception_table): Generate start and end rethrow labels.
566 (init_eh): Create rethrow symbols for beginning and end of table.
567 (scan_region): Don't eliminate EH regions which are the targets of
570 * flow.c (make_edges): Add different edges for rethrow calls,
571 identified by having the REG_EH_RETHROW reg label.
572 (delete_unreachable_blocks): Don't delete regions markers which are
573 the target of a rethrow.
575 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
576 allow save_for_inline_copying to call duplicate_eh_handlers.
577 (save_for_inline_copying): Call duplicate_eh_handlers instead of
578 exposing internal details of exception regions.
579 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
580 (expand_inline_function_eh_labelmap): New callback routine to
581 allow expand_inline_function to call duplicate_eh_handlers.
582 (expand_inline_function): Call duplicate_eh_handlers instead of
583 exposing internal details of exception regions.
584 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
587 * libgcc2.c (find_exception_handler): Generalize to enable it to
588 pick up processing where it left off last time for a rethrow.
589 (__unwinding_cleanup): New function. debug hook which is called before
590 unwinding when __throw finds there is nothing but cleanups left.
591 (throw_helper): Common parts of __throw extracted out for reuse.
592 (__throw): Common parts moved to throw_helper.
593 (__rethrow): New function for performing rethrows.
595 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
597 * reload1.c (current_function_decl): Tweak declaration.
599 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
601 * c-decl.c (flag_isoc9x): Default off.
602 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
603 * cccp.c (print_help, main): Likewise.
604 * gcc.c (default_compilers): Update for -std=gnu*.
606 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
608 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
609 * demangle.h: Deleted.
611 * reload1.c (current_function_decl): Declare.
613 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
615 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
617 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
619 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
621 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
623 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
625 * configure: Rebuilt.
626 * system.h: If the *_unlocked functions are available use them
627 instead of the locked counterparts by defining macros.
628 * config.in: Regenerated.
630 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
632 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
633 wrong and should only be used for dump related things, not
634 debugging information, instead main_input_filename should be used.
635 Also, reuse output_file_directive if possible.
636 * i386/aix386ng.h (ASM_FILE_START): Likewise.
637 * i386/isc.h (ASM_FILE_START): Likewise.
638 * i386/win-nt.h (ASM_FILE_START): Likewise.
639 * i386/sun386.h (ASM_FILE_START): Likewise.
641 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
643 * configure.in (mips*-*-linux*): Handle big and little endian
645 * configure: Rebuilt.
647 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
649 * emit-rtl.c: Fix typo.
651 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
653 * reload1.c (eliminate_regs): Don't do anything, if we're not
656 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
658 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
660 * mips/mips.c (mips_select_section): Add comment.
662 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
664 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
665 characters in file names in #line to be consistent with #include
666 handling. We support escape prcessing in the # 1 "..." version of
667 the command. See also support in cp/lex.c.
668 (handle_directive): Likewise.
671 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
673 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
674 so it'll work on non-ASCII platforms. Always consider $ an
675 identifier character. Take no arguments.
676 (cpp_reader_init): Call initialize_char_syntax with no
678 (cpp_start_read): Don't call initialize_char_syntax again.
679 Clear is_idchar['$'] and is_idstart['$'] if not
680 opts->dollars_in_ident.
682 * cpplib.h (struct cpp_reader): Replace void *data element by
683 cpp_options *opts. Rearrange elements to make gdb printout
684 less annoying (put buffer stack at end).
685 (CPP_OPTIONS): Get rid of now-unnecessary cast.
687 * cppmain.c: s/data/opts/ when initializing cpp_reader
689 * c-decl.c: Likewise.
690 * objc/objc-act.c: Likewise.
691 * fix-header.c: Likewise.
693 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
695 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
696 with a struct file_name_list pointer.
697 (struct cpp_reader): Add pointer to chain of `actual
698 directory' include searchpath entries.
699 (struct file_name_list): Add *alloc pointer for the sake of
700 the actual-directory chain.
702 Move definition of HOST_WIDE_INT here.
703 (cpp_parse_escape): Change prototype to match changes in
706 * cppfiles.c (actual_directory): New function.
707 (finclude): Use it to initialize the buffer's actual_dir
709 (find_include_file): We don't need to fix up max_include_len
712 * cpplib.c (do_include): Don't allocate a file_name_list on
713 the fly for current directory "" includes, use the one that's
714 been preallocated in pfile->buffer->actual_dir. Hoist out
715 duplicate code from the search_start selection logic.
716 (cpp_reader_init): Initialize pfile->actual_dirs.
718 Remove definition of HOST_WIDE_INT. Change calls
719 to cpp_parse_escape to match changes in cppexp.c (note
720 hardcoded MASK, which is safe since this is the source
723 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
724 to handle wide character constants in #if directives. The
725 function now returns a HOST_WIDE_INT, and takes a third
726 argument which is a binary mask for all legal values (0x00ff
727 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
728 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
729 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
731 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
733 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
735 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
737 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
738 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
739 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
741 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
743 * final.c (output_asm_name): Use tabs to seperate comments from
746 Include instruction lengths (if defined) in output.
748 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
750 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
751 in the loop_info structure.
753 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
755 * configure.in: (arm*-*-ecos-elf): New target.
756 * configure: Regenerated.
757 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
758 * config/arm/ecos-elf.h: New file.
759 * config/arm/unknown-elf.h (TARGET_VERSION): Check
762 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
764 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
766 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
768 * version.c: Bump for snapshot.
770 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
772 * loop.c (check_dbra_loop): New argument loop_info. Update fields
775 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
777 * version.c: Bump for snapshot.
779 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
781 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
782 compressed reports are ok and preferred over URLs
784 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
786 * invoke.texi (Warning Options): Soften the tone of -pedantic
788 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
790 * print-rtl.c (print_rtx): Add prototype.
792 * unroll.c (iteration_info): Make it static.
794 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
796 * alias.c (memrefs_conflict_p): A second ANDed address
797 disables the aligned address optimization.
799 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
801 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
804 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
806 * i960.h (BOOL_TYPE_SIZE): Define.
808 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
810 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
811 from old valid_parallel_operands_4.
812 (valid_parallel_operands_4): Check that operands for 4 operand
813 parallel insns are valid, excluding load/store insns.
814 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
815 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
816 valid_parallel_load_store instead of valid_parallel_operands_4.
817 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
818 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
819 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
820 *notqi_movqi_clobber): Use valid_parallel_operands_4.
821 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
822 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
823 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
825 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
827 * config/c4x/c4x.c (iteration_info): Delete extern.
829 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
831 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
833 * final.c (cleanup_subreg_operands): Delete some unused code.
835 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
836 (struct insn_alternative): New structure definition.
837 (recog_op_alt): Declare variable.
838 (preprocess_constraints): Declare function.
839 * recog.c (recog_op_alt): New variable.
840 (extract_insn): Verify number of alternatives is in range.
841 (preprocess_constraints): New function.
842 * reg-stack.c: Include recog.h.
843 (constrain_asm_operands): Delete.
844 (get_asm_operand_lengths): Delete.
845 (get_asm_operand_n_inputs): New function.
846 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
847 N_OUTPUTS args. All callers changed.
848 Compute number of inputs and outputs here by calling
849 get_asm_operand_n_inputs.
850 Instead of constrain_asm_operands, call extract_insn,
851 constrain_operands and preprocess_constaints. Use information
852 computed by these functions throughout.
853 (record_reg_life): Delete code that is unused due to changes in
855 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
856 N_INPUTS and N_OUTPUTS args. All callers changed.
857 Similar changes as in record_asm_reg_life.
858 (subst_stack_regs): Move n_operands declaration into the if statement
860 Delete code that is unused due to changes in subst_asm_stack_regs.
861 * stmt.c (expand_asm_operands): Verify number of alternatives is in
863 * Makefile.in (reg-stack.o): Depend on recog.h.
865 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
867 * except.c (set_exception_version_code): Argument is an "int".
869 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
871 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
872 * configure: Rebuilt.
874 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
876 * configure.in (mipsel-*-linux*): New target.
877 * mips/linux.h: New file, based on other Linux targets.
879 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
881 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
882 runs in the context of the deleter, not the deletee, so we must
883 use taskVarGet to find the correct memory to free.
884 (__gthread_key_create): Initialize the task
885 variable subsystem so that the task variable is still active when
886 the delete hook is run.
888 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
890 * pdp11.h: Use optimize_size for space optimizations.
892 * pdp11.md: Likewise.
894 * pdp11.h (TARGET_40_PLUS): Fix typo.
896 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
898 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
901 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
903 * alias.c (addr_side_effect_eval): New function.
904 (memrefs_conflict_p): Use it.
905 * rtl.h (addr_side_effect_eval): Prototype it.
907 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
909 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
911 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
913 * reload.c (find_reloads): When force const to memory, put result
914 in substed_operand not *recog_operand_loc.
916 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
918 * c-lex.c: Fix indentation from last patch.
919 Remove trailing whitespace.
922 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
924 * flow.c (delete_block): Call set_last_insn after we have reset
925 NEXT_INSN (kept_tail).
927 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
929 * mips.md (trap_if): Use "$0" for the value zero.
931 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
932 Stephen L Moshier <moshier@world.std.com>
933 Richard Henderson <rth@cygnus.com>
935 * c-common.c (declare_function_name): Declare predefinied variable
938 * c-decl.c (flag_isoc9x): Set to 1 by default.
939 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
940 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
942 * c-parse.in: Allow constructors in ISO C 9x.
943 Rewrite designator list handling.
944 Allow [*] parameters.
945 Don't warn about comma at end of enum definition for ISO C 9x.
947 * cccp.c (c9x): New variable.
948 (rest_extension): New variable.
949 (print_help): Document new -std= option.
950 (main): Recognize -std= option. Set c9x appropriately.
951 (create_definition): Recognize ISO C 9x vararg macros.
953 * gcc.c (default_compilers): Adjust specs for -std options.
954 (option_map): Add --std.
955 (display_help): Document -std.
957 * toplev.c (documented_lang_options): Add -std and remove
960 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
961 or REAL_VALUE_HTOF based on base of the constants.
962 * fold-const.c (real_hex_to_f): New function. Replacement function
963 for hex FP conversion if REAL_ARITHMETIC is not defined.
964 * real.c (asctoeg): Add handling of hex FP constants.
965 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
968 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
970 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
971 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
972 expansion. Use hi/lo as destination register.
974 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
975 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
976 Avoid as macro expansion. Use hi/lo as destination register.
978 * mips.h (MASK_CHECK_RANGE_DIV): New.
979 (MASK_NO_CHECK_ZERO_DIV): New.
980 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
981 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
982 return address for leaf functions out of r31 to support
983 builtin_return_address.
985 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
987 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
988 NEXT_INSN(x) to check insn x.
990 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
992 * flow.c (delete_block): Call set_last_insn if we end up deleting the
993 last insn in the rtl chain.
995 * reload1.c (reload): Do not set reload_completed or split insns
997 * toplev.c (rest_of_compilation): Set reload_completed after
998 reload returns. Split insns after reload_cse has run.
1000 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
1002 * final.c (final_scan_insn): Abort if block_depth falls below 0.
1004 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
1006 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
1008 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
1010 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
1011 use of user-label_prefix.
1013 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1015 * reload1.c (emit_reload_insns): Clear spill_reg_store
1016 when doing a new non-inherited reload from the same pseudo.
1018 * local-alloc.c (function_invariant_p): New function.
1019 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
1020 to decide if an equivalence should be recorded.
1021 * reload1.c (num_eliminable_invariants): New static variable.
1022 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
1023 to decide if an equivalence should be recorded.
1025 (calculate_needs_all_insns): Skip insns that only set an equivalence.
1026 Take num_eliminable_invariants into account when deciding
1027 if register elimination should be done.
1028 (reload_as_needed): Take num_eliminable_invariants into account
1029 when deciding if register elimination should be done.
1030 (eliminate_regs): Handle non-constant reg_equiv_constant.
1031 * rtl.h (function_invariant_p): Declare.
1033 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
1035 * version.c: Bump for snapshot.
1037 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
1039 * version.c: Bump for snapshot.
1041 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
1043 * except.c (add_new_handler): Complain about additional handlers
1044 after one that catches everything.
1046 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
1048 * configure.in (alpha*-*-netbsd): Fix typo.
1049 * configure: Rebuilt.
1051 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1053 * system.h: Include libiberty.h.
1055 * c-aux-info.c: Remove prototypes for concat/concat3. Change
1056 function `concat' from fixed parameters to variable parameters,
1057 as is done in libiberty. All callers of concat/concat3
1058 changed to use the new `concat' with variable args.
1060 * cccp.c: Remove things made redundant by libiberty.h and/or
1061 conform to libiberty standards.
1063 * collect2.c: Likewise.
1064 * config/1750a/1750a.h: Likewise.
1065 * cppalloc.c: Likewise.
1066 * cppexp.c: Likewise.
1067 * cppfiles.c: Likewise.
1068 * cpphash.c: Likewise.
1069 * cpplib.c: Likewise.
1070 * dyn-string.c: Likewise.
1071 * fix-header.c: Likewise.
1074 * genattr.c: Likewise.
1075 * genattrtab.c: Likewise.
1076 * gencheck.c: Likewise.
1077 * gencodes.c: Likewise.
1078 * genconfig.c: Likewise.
1079 * genemit.c: Likewise.
1080 * genextract.c: Likewise.
1081 * genflags.c: Likewise.
1082 * gengenrtl.c: Likewise.
1083 * genopinit.c: Likewise.
1084 * genoutput.c: Likewise.
1085 * genpeep.c: Likewise.
1086 * genrecog.c: Likewise.
1087 * getpwd.c: Likewise.
1088 * halfpic.c: Likewise.
1090 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
1091 in NEED_DECLARATION_* macros.
1093 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
1094 conform to libiberty standards.
1095 (fatal): Fix const-ification of variable `format' in
1096 !ANSI_PROTOTYPES case.
1098 * prefix.c: Remove things made redundant by libiberty.h and/or
1099 conform to libiberty standards.
1101 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
1102 conflicting with function `spaces' from libiberty.
1104 * profile.c: Remove things made redundant by libiberty.h and/or
1105 conform to libiberty standards.
1106 * protoize.c: Likewise.
1109 * tlink.c: Likewise.
1110 * toplev.c: Likewise.
1111 * toplev.h: Likewise.
1114 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1116 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
1118 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1120 * README.C4X: Updated URLs.
1121 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
1122 (valid_parallel_operands_5): Remove unused variable.
1124 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1126 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
1128 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
1130 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
1131 which can be configured.
1132 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
1133 (Makefile): Pass actual LANGUAGES through the environment when
1135 (cstamp-h): Likewise.
1136 (config.status): Likewise.
1138 * configure.in (enable_languages): Add new configuration parameter
1139 "--enable-languages=lang1,lang2,...".
1140 (${srcdir}/*/config-lang.in): Change handling to configure only
1141 those directories, that the user might have enabled; default to
1142 "all" existing languages.
1143 * configure: Regenerate.
1145 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
1147 * rtlanal.c (regs_set_between_p): New function.
1148 * rtl.h (regs_set_between_p): Prototype it.
1149 * jump.c (jump_optimize): Use it instead of modified_between_p
1150 in the Sep 2 change.
1152 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
1153 Matthias Pfaller <leo@dachau.marco.de>
1155 * invoke.texi (Option Summary, NS32K Options): add description
1156 of NS32K specific options.
1158 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
1159 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
1160 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
1161 negdf2, absdf2): Use l instead of f since the double class and
1162 float class are no longer the same.
1163 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
1164 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
1165 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
1166 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
1168 (cmpsi, cmphi, cmpqi): use general_operand instead of
1169 non_immediate_operand. Removes erroneous assumption that can't
1171 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
1172 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
1174 (movstrsi, movstrsi1, movstrsi2): completely new block move
1176 (...): Patterns to exploit multiply-add instructions.
1177 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
1178 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
1179 patterns to exploit extended divide insns.
1180 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
1183 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
1184 float return values as well as simple scalar floats.
1185 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
1186 support new flag to denote 32381 fpu.
1187 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
1188 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
1190 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1191 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
1192 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
1193 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
1194 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
1195 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
1196 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
1197 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
1198 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
1199 fpu registers and special register classes for new 32381
1200 instructions dotf and polyf.
1201 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
1203 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
1204 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
1206 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
1207 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
1208 (REGISTER_MOVE_COST): move code to register_move_cost function for
1209 ease of coding and debugging.
1210 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
1211 LONG_FLOAT_REGO is likely spilled but not caught by default
1213 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
1214 instead of hard coded numbers in range check.
1215 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
1216 (...): Add prototypes for functions in ns32k.c but disable because
1217 of problems when ns32k.h is included in machine independant files.
1219 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
1220 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
1221 hard_regno_mode_ok, secondary_reload_class,
1222 print_operand, print_operand_address): new register scheme to
1223 include 32381 fpu registers and special register classes for new
1224 32381 instructions dotf and polyf.
1225 (gen_indexed_expr): Make static to keep namespace clean.
1226 (check_reg): remove since never called.
1227 (move_tail, expand_block_move): helper functions for "movstrsi"
1229 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
1230 Increase cost of moves which go via memory.
1231 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
1232 (CPP_PREDEFINES): nolonger predefine "unix".
1234 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
1235 Remove erroneous %$. print_operand() can work out from the rtx is
1236 an immediate prefix is required.
1238 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
1239 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
1240 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
1242 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
1245 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
1246 Correct handling of pic operands.
1247 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
1248 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
1249 -mrtd calling convention.
1251 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
1253 * gcc.c (option_map): Recognize --output-class-directory.
1255 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1257 * loop.h (precondition_loop_p): Added new mode argument.
1258 * unroll.c (precondition_loop_p): Likewise.
1259 (approx_final_value): Function deleted and subsumed
1260 into loop_iterations.
1261 (loop_find_equiv_value): New function.
1262 (loop_iterations): Use loop_find_equiv_value to find increments
1263 too large to be immediate constants. Also use it to find terms
1264 common to initial and final iteration values that can be removed.
1266 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1268 * loop.h (struct loop_info): Define new structure.
1269 (precondition_loop_p): Added prototype.
1270 (unroll_loop): Added new argument loop_info to prototype.
1271 (final_biv_value, final_giv_value): Added new argument n_iterations
1273 * loop.c (strength_reduce): Declare new structure loop_iteration_info
1274 and new pointer loop_info.
1275 (loop_n_iterations): Replace global variable by element in
1276 loop_info structure.
1277 (check_final_value): New argument n_iterations.
1278 (insert_bct): New argument loop_info.
1279 (loop_unroll_factor): Replace global array by element in
1280 loop_info structure.
1281 (loop_optimize): Remove code to allocate and initialise
1282 loop_unroll_factor_array.
1283 * unroll.c (precondition_loop_p): No longer static since
1284 used by branch on count optimization.
1285 (precondition_loop_p, unroll_loop): New argument loop_info.
1286 (final_biv_value, final_giv_value, find_splittable_regs): New
1287 argument n_iterations.
1288 (loop_iteration_var, loop_initial_value, loop_increment,
1289 loop_final_value, loop_comparison_code, loop_unroll_factor):
1290 Replaced global variables by loop_info structure.
1291 (loop_unroll_factor): Replace global array by element in
1292 loop_info structure.
1294 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1296 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
1299 * unroll.c (precondition_loop_p): Return loop_initial_value
1300 for initial_value instead of loop_iteration_var.
1302 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1304 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
1305 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
1306 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
1307 to output the instruction sequences.
1309 (rptb_top): Provide alternatives to use any register or memory
1311 (rptb_end): Emit use of operands rather than assigning them
1312 explicitly to the RS and RE registers.
1314 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1316 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
1317 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
1318 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
1319 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
1320 c4x_merge_notes, c4x_parallel_process,
1321 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
1322 c4x_combine_parallel): Delete.
1324 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1326 * config/c4x/c4x.c: (c4x_override_options): For compatibility
1327 with old target options clear flag_branch_on_count_reg if
1328 -mno-rptb specified and set flag_argument_alias is -mno-aliases
1330 (c4x_output_cbranch): Handle a sequence of insns rather than a
1332 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
1333 has not been allocated as the loop counter.
1334 (c4x_address_conflict): Do not allow two volatile memory references.
1335 (valid_parallel_operands_4, valid_parallel_operands_5,
1336 valid_parallel_operands_6): Reject pattern if the register destination
1337 of the first set is used as part of an address in the second set.
1339 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1341 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
1342 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
1343 is no longer enabled if PARALLEL_MPY_FLAG set.
1344 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
1345 (REG_CLASS_CONTENTS): Add braces around initializers.
1346 (HAVE_MULTIPLE_PACK): Define.
1347 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
1348 REAL_VALUE_TO_DECIMAL.
1349 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
1350 REAL_VALUE_TO_DECIMAL.
1351 (ar0_reg_operand): Add prototype.
1352 (ar0_mem_operand): Likewise.
1353 (ar1_reg_operand): Likewise.
1354 (ar1_mem_operand): Likewise.
1355 (ar2_reg_operand): Likewise.
1356 (ar2_mem_operand): Likewise.
1357 (ar3_reg_operand): Likewise.
1358 (ar3_mem_operand): Likewise.
1359 (ar4_reg_operand): Likewise.
1360 (ar4_mem_operand): Likewise.
1361 (ar5_reg_operand): Likewise.
1362 (ar5_mem_operand): Likewise.
1363 (ar6_reg_operand): Likewise.
1364 (ar6_mem_operand): Likewise.
1365 (ar7_reg_operand): Likewise.
1366 (ar7_mem_operand): Likewise.
1367 (ir0_reg_operand): Likewise.
1368 (ir0_mem_operand): Likewise.
1369 (ir1_reg_operand): Likewise.
1370 (ir1_mem_operand): Likewise.
1371 (group1_reg_operand): Likewise.
1372 (group1_mem_operand): Likewise.
1373 (ir1_reg_operand): Likewise.
1374 (arx_reg_operand): Likewise.
1375 (not_rc_reg): Likewise.
1376 (not_modify_reg): Likewise.
1377 (c4x_group1_reg_operand): Remove prototype.
1378 (c4x_group1_mem_operand): Likewise.
1379 (c4x_arx_reg_operand): Likewise.
1381 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
1383 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
1384 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
1386 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1388 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
1391 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1393 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
1394 unless FMOVD_WORKS is defined.
1396 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1398 * regclass.c (init_reg_sets): Move code that calculates tables
1399 dependent on reg_class_contents from here...
1400 (init_reg_sets_1): To here.
1402 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1404 * cpplib.h: Delete struct import_file. Add ihash element to
1405 struct cpp_buffer. Delete dont_repeat_files and
1406 import_hash_table elements from cpp_reader; change
1407 all_include_files to a hash table. Delete all foobar_include
1408 / last_foobar_include elements from struct cpp_options; put
1409 back four such: quote_include, bracket_include,
1410 system_include, after_include. Redo struct file_name_list
1411 completely. Add new structure type include_hash. Add
1412 prototypes for merge_include_chains and include_hash. Change
1413 prototypes for finclude, find_include_file, and
1414 append_include_chain to match changes below.
1416 * cppfiles.c (simplify_pathname, include_hash,
1417 remap_filename, merge_include_chains): New functions.
1418 (add_import, lookup_import, open_include_file): Removed.
1419 (INO_T_EQ): Define this (copied from cccp.c).
1420 (hack_vms_include_specification): Remove all calls and #if 0
1421 out the definition. It was being called incorrectly and at
1422 the wrong times. Until a VMSie can look at this, it's better
1423 to not pretend to support it.
1424 (append_include_chain): Change calling convention; now takes
1425 only one directory at a time, and sets up the data structure
1427 (redundant_include_p): Rewritten - this is now used for all
1428 include redundancy, whether by #ifndef, #import, or #pragma
1429 once. Looks up things in the include hash table.
1430 (file_cleanup): Decrement pfile->system_include_depth here if
1432 (find_include_file): Calling convention changed; now passes
1433 around a struct include_hash instead of 3 separate parameters.
1434 Guts ripped out and replaced with new include_hash mechanism.
1435 (finclude): Calling convention changed as for
1436 find_include_file. Error exits pulled out-of-line. Reformat.
1437 (safe_read): Return a long, not an int.
1438 (deps_output): Don't recurse.
1440 * cpplib.c (is_system_include): Deleted.
1441 (path_include): Fix up call to append_include_chain.
1442 (do_include): Fix up calls to find_include_file and finclude.
1443 Clean up dependency output a bit. Shorten obnoxiously lengthy
1444 #import warning message. Don't decrement
1445 pfile->system_include_depth here.
1446 (do_pragma): Understand the include_hash structure. Reformat.
1447 (do_endif): Correct handling of control macros. Understand
1449 (cpp_start_read): Fix up calls to finclude. Call
1450 merge_include_chains.
1451 (cpp_handle_option): Fix up calls to append_include_chain.
1452 Understand the four partial include chains.
1453 (cpp_finish): Add debugging code (#if 0-ed out) for the
1455 (cpp_cleanup): Free the include_hash, not the import hash and
1456 the all_include and dont_repeat lists which no longer exist.
1458 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
1460 * toplev.c (no_new_pseudos): Define.
1461 (rest_of_compilation): Set no_new_pseudos as needed.
1462 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
1463 if no_new_pseudos is set.
1464 * rtl.h (no_new_pseudos): Declare it.
1465 * reload1.c (reload): Update comments.
1466 * md.texi: Corresponding changes.
1468 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1470 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
1471 (choose_reload_regs): Rename it here as well. When computing it,
1472 also merge in used hardregs.
1474 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1476 * gcc.c: Split out Objective-C specs to...
1477 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
1480 * c-lex.c (init_parse): Always initialize the filename global.
1481 * objc/objc-act.c (lang_init): Always call check_newline at
1484 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
1486 * reload1.c (reload): Remove unused variable.
1487 (reload_reg_free_for_value_p): Add missing parameter definition.
1489 * jump.c (jump_optimize): Remove unused variable.
1491 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
1493 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
1495 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
1497 * expr.c (move_by_pieces): Similarly.
1498 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
1499 * flow.c (find_auto_inc): Similarly.
1500 (try_pre_increment): Similarly.
1501 * loop.c (strength_reduce): Similarly.
1502 * regclass.c (auto_inc_dec_reg_p): Similarly.
1503 * regmove.c (try_auto_increment): Similarly.
1504 (fixup_match_1): Similarly.
1505 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
1506 (HAVE_PRE_DECREMENT): Similarly.
1507 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
1508 * Corresponding changes to all target header files.
1509 * tm.texi: Update docs for autoinc addressing modes.
1511 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
1513 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
1514 * configure: Rebuild.
1515 * config/elfos.h: New file.
1516 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
1517 config/m68k/t-m68kelf: New file.
1519 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
1521 * Makefile.in (HOST_AR): Define.
1522 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
1523 (libcpp.a): Use the host tools explicitly.
1524 (STAGESTUFF): Add libcpp.a.
1526 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
1528 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
1529 to source and destination registers.
1531 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
1533 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
1534 The strategy we now use is to pre allocate the top_elt along
1535 with the EH context so that each thread has its own top_elt.
1536 This is necessary as the dynmanic cleanup chain is used on the
1537 top element of the stack and each thread MUST have its own.
1538 (eh_context_static): Likewise.
1539 (new_eh_context): Likewise.
1540 (__sjthrow): Likewise.
1542 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
1544 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
1545 * i386.md (prologue_get_pc): Remove unused variable.
1547 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
1549 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
1551 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
1553 * Makefile.in (OBJS): Add graph.o
1554 (graph.o): New dependency list.
1555 * flags.h: Declare dump_for_graph and define graph_dump_types type.
1556 * print-rtl.c (dump_for_graph): Define new variable.
1557 (print_rtx): Rewrite to allow use in graph dumping functions.
1558 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
1559 finish_graph_dump_file.
1560 Define graph_dump_format.
1561 (compile_file): If graph dumping is enabled also clear these files.
1562 Finish graph dump files.
1563 (rest_of_compilation): Also dump graph information if enabled.
1564 (main): Recognize -dv to enabled VCG based graph dumping.
1565 * graph.c: New file. Graph dumping functions.
1567 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
1569 * configure.in: Look for <sys/stat.h>.
1570 * system.h: Include it before substitute S_ISREG definitions.
1572 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
1574 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
1575 * config/mips/iris6.h: Same.
1576 * config/mips/mips.md: Same.
1577 * config/mips/mips.c: Same; also add "-mabi=o64" option.
1578 * config/mips/mips.h: Same; also define ABI_O64.
1580 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1582 * configure.in: Use AC_PREREQ(2.12.1).
1584 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
1586 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
1587 * cpplib.c, gcc.c: Likewise.
1588 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
1590 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
1592 * local-alloc.c (local_alloc): Use malloc not alloca for
1593 reg_qty, reg_offset, ref_next_in_qty.
1595 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1597 * caller-save.c (insert_one_insn): Initialize the live_before and
1598 live_after register sets.
1602 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
1603 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
1604 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
1605 (fp_reg_names, assembler_dialect): New variables.
1606 (print_operand_address): Handle SUBREGs.
1607 (print_operand): Added 'o' case.
1608 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
1609 Name of FP registers depends on mode.
1610 (expand_block_move): Emit different code for SH4 hardware.
1611 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
1612 (from_compare): Likewise.
1613 (add_constant): New argument last_value. Changed all callers.
1614 (find_barrier): Don't try HImode load for FPUL_REG.
1615 (machine_dependent_reorg): Likewise.
1616 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
1617 (gen_far_branch): Emit a barrier after the new jump.
1618 (barrier_align): Don't trust instruction lengths before
1620 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
1621 Use auto-inc addressing for fp registers if doubles need to
1622 be loaded in two steps.
1623 Set sh_flag_remove_dead_before_cse.
1624 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
1625 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
1626 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
1627 Support for FIRST_XD_REG .. LAST_XD_REG.
1628 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
1629 (sh_expand_epilogue): Likewise.
1630 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
1631 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
1632 (arith_reg_operand): FPUL_REG is OK for SH4.
1633 (fp_arith_reg_operand, fp_extended_operand) New functions.
1634 (tertiary_reload_operand, fpscr_operand): Likewise.
1635 (commutative_float_operator, noncommutative_float_operator): Likewise.
1636 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
1637 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
1638 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
1639 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
1640 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
1641 (CONDITIONAL_REGISTER_USAGE): Likewise.
1642 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
1643 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
1644 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
1645 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
1646 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
1647 to -1 and sh_flag_remove_dead_before_cse to 1.
1648 (ASSEMBLER_DIALECT): Define to assembler_dialect.
1649 (assembler_dialect, fp_reg_names): Declare.
1650 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
1651 Hide names of registers that are not accessible.
1652 (CACHE_LOG): Take TARGET_CACHE32 into account.
1653 (LOOP_ALIGN): Take TARGET_HARWARD into account.
1654 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
1655 (FIRST_PSEUDO_REGISTER: Now 49.
1656 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
1657 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
1658 (HARD_REGNO_MODE_OK): Update.
1659 (enum reg_class): Add DF_REGS and FPSCR_REGS.
1660 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
1661 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
1662 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
1663 (NPARM_REGS): Eight floating point parameter registers on SH4.
1664 (BASE_RETURN_VALUE_REG): SH4 also passes double values
1665 in floating point registers.
1666 (GET_SH_ARG_CLASS) Likewise.
1667 Complex float types are also returned in float registers.
1668 (BASE_ARG_REG): Complex float types are also passes in float registers.
1669 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
1670 (LIBCALL_VALUE): Remove trailing semicolon.
1671 (ROUND_REG): Round when double precision value is passed in floating
1673 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
1674 passed on the stack.
1675 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
1676 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
1677 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
1678 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
1679 (MODE_DISP_OK_8): Not for SH4 DFmode.
1680 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
1681 Allow indexed addressing for PSImode after reload.
1682 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
1683 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
1684 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
1685 (DOUBLE_TYPE_SIZE): 64 for SH4.
1686 (RTX_COSTS): Add PLUS case.
1687 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
1688 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
1689 MAC_REGS, PR_REGS, DF_REGS.
1690 (REGISTER_NAMES): Use fp_reg_names.
1691 (enum processor_type): Add PROCESSOR_SH4.
1692 (sh_flag_remove_dead_before_cse): Declare.
1693 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
1694 (PREDICATE_CODES): Add binary_float_operator,
1695 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
1696 fpscr_operand, noncommutative_float_operator.
1697 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
1698 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
1699 * sh.md (attribute cpu): Add value sh4.
1700 (attrbutes fmovd, issues): Define.
1701 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
1702 (function units memory, int, mpy, fp): Make dependent on issue rate.
1703 (function units issue, single_issue, load_si, load): Define.
1704 (function units load_store, fdiv, gp_fpul): Define.
1705 (attribute hit_stack): Provide proper default.
1706 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
1707 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
1708 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
1709 (mulsi3_call): Now uses match_operand for function address.
1710 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
1712 (push, pop, push_e, pop_e): Now define_expands.
1713 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
1714 (movsi_ie): Added y/i alternative.
1715 (ic_invalidate_line_i, movdf_i4): New insns.
1716 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
1717 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
1718 (movdf): Add special code for SH4.
1719 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
1720 (call_valuei, calli, call_value): Likewise.
1721 (movsf): Emit no-op move.
1722 (mov_nop, movsi_y): New insns.
1723 (blt, sge): generalize to handle DFmode.
1724 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
1725 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
1726 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
1727 (fpu_switch0, fpu_switch1, movpsi): New expanders.
1728 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
1729 (toggle_sz): New insn.
1730 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
1731 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
1732 (macsf3): Make use of fpscr visible. Disable for SH4.
1733 (floatsisf2): Make use of fpscr visible.
1734 (floatsisf2_i4): New insn.
1735 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
1736 (ieee_ccmpeqsf_t): Likewise.
1737 (fix_truncsfsi2): Emit different code for SH4.
1738 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
1739 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
1740 (negsf2, sqrtsf2, abssf2): Now expanders.
1741 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
1742 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
1743 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
1744 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
1745 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
1746 (fix_truncdfsi2_i4_2+1): New splitters.
1747 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
1748 (extendsfdf2, truncdfsf2): New expanders.
1749 (truncdfsf2_i4): New insn.
1750 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
1751 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
1752 * float-sh.h: When testing for __SH3E__, also test for
1753 __SH4_SINGLE_ONLY__ .
1754 * va-sh.h (__va_freg): Define to float.
1755 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
1756 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
1757 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
1758 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
1760 (TARGET_SH4_P): Define.
1763 * sh.md (movdf_k, movsf_i): Tweak the condition so that
1764 init_expr_once is satisfied about the existence of load / store insns.
1766 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
1767 change m constraint in source operand to mr / mf .
1769 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
1771 * (__VA_REEF): Define.
1772 (__va_arg_sh1): Use it.
1774 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
1776 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
1778 * i386/dgux.c (struct option): Add new "description field".
1779 * m88k/m88k.c (struct option): Likewise.
1781 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
1783 * version.c: Bump for snapshot.
1785 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1787 * regmove.c (regmove_profitable_p): Use return value of find_matches
1790 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
1792 * version.c: Bump for snapshot.
1794 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
1796 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
1797 without reload having been called earlier.
1799 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
1801 (v850_reorg): Similarly.
1803 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
1805 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1807 * loop.c (move_movables): Start of libcall might be new loop start.
1809 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1811 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
1813 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1815 * function.c (nonlocal_goto_handler_slots): Renamed from
1816 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
1817 (push_function_context_to): Adjust for this change.
1818 (pop_function_context_from): Likewise.
1819 (init_function_start): Likewise.
1820 (expand_function_end): Likewise.
1821 * function.h (struct function): Likewise.
1822 * calls.c (expand_call): Likewise.
1823 * explow.c (allocate_dynamic_stack_space): Likewise.
1824 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
1825 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
1827 (expand_goto): When doing a nonlocal goto, find corresponding handler
1828 slot for it. Don't put the label address in the static chain register.
1829 (expand_end_bindings): Break out nonlocal goto handling code into
1830 three new functions.
1831 (expand_nl_handler_label, expand_nl_goto_receiver,
1832 expand_nl_goto_receivers): New static functions, broken out of
1833 expand_end_bindings and adapted to create one handler per nonlocal
1835 * function.c (delete_handlers): Delete insn if it references any of
1836 the nonlocal goto handler slots.
1837 * i960.md (nonlocal_goto): Comment out code that modifies
1839 * sparc.md (nonlocal_goto): Likewise.
1840 (goto_handler_and_restore_v9): Comment out.
1841 (goto_handler_and_restore_v9_sp64): Comment out.
1843 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1845 * expr.c (STACK_BYTES): Delete unused macro.
1846 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
1847 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1848 (expand_call): Likewise.
1849 (emit_library_call): Likewise.
1850 (emit_library_call_value): Likewise.
1851 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
1852 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1853 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
1854 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1855 (allocate_dynamic_stack_space): Likewise.
1856 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
1857 (STACK_BOUNDARY): Update description to reflect the new situation.
1859 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
1861 * reorg.c (relax_delay_slots): When optimizing for code size, if a
1862 return with a filled delay slot is followed by a return with an
1863 unfilled delay slot, delete the first return and reemit the insn
1864 that was previously in its delay slot.
1866 * i860.c (single_insn_src_p): Add missing parens.
1867 * ginclude/math-3300.h: Likewise.
1869 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
1871 * regclass.c (init_reg_sets_1): Add prototype.
1872 (init_reg_modes): Likewise.
1874 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
1876 * c-common.c: Change warning messages to say `comparison is
1877 always true' or `comparison is always false' instead of the
1878 confusing `is always 0', `is always 1'.
1880 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
1882 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
1883 break instead of return (which loses closing '>').
1885 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
1887 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
1888 standard 387 constants.
1890 * i386.md (jump): Explicitly set "memory" attribute.
1891 (indirect_jump, prologue_set_stack_ptr): Likewise.
1892 (prologue_get_pc_and_set_got, pop): Likewise.
1893 (allocate_stack_worder, blockage, return_internal): Likewise.
1894 (return_pop_internal, nop): Likewise.
1895 (epilogue_set_stack_ptr, leave): Likewise.
1897 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
1899 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
1901 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1903 * reload1.c (reload_reg_free_for_value_p):
1904 Early auto_inc reloads don't conflict with outputs.
1906 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1908 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
1909 Instead call AC_HEADER_SYS_WAIT.
1911 * collect2.c: Don't provide defaults for sys/wait.h macros.
1913 * protoize.c: Likewise. Also, don't include sys/wait.h.
1915 * system.h: Include sys/wait.h and provide macro defaults.
1917 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1919 * Makefile.in (mandir): Set to @mandir@.
1920 (man1dir): New variable to hold the former value of $(mandir).
1921 Replace all uses of $(mandir) by $(man1dir).
1923 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
1925 * reload.c (find_reloads_address_part): If have a CONST_INT, create
1926 a new one before passing it to force_const_mem.
1928 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
1929 find_reloads_address call.
1931 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1933 * expr.c (store_expr): Don't generate load-store pair
1934 if TEMP is identical (according to ==) with TARGET.
1936 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1938 * reload1.c (reload_reg_free_for_value_p): When considered reload
1939 has an output, matching inputs are not sufficient to avoid conflict.
1941 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
1943 * hash.h (hash_table_key): New type.
1944 (hash_entry): Change `string' field to generic `key'.
1945 (hash_table): Add `comp' and `hash' functions.
1946 (hash_table_init): Take them as input.
1947 (hash_table_init_n): Likewise.
1948 (hash_lookup): Modify for generic keys.
1949 (hash_newfunc): Likewise.
1950 (hash_traverse): Likewise.
1951 (string_hash): New function.
1952 (string_compare): Likewise.
1953 (string_copy): Likewise.
1954 * hash.c (hash_table_init_n): Modify for generic keys.
1955 (hash_table_init): Likewise.
1956 (hash_lookup): Likewise.
1957 (hash_newfunc): Likewise.
1958 (hash_traverse): Likewise.
1959 (string_hash): Split out from hash_lookup.
1960 (string_compare): New function.
1961 (string_copy): Split out from hash_lookup.
1962 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
1964 (symbol_hash_lookup): Likewise.
1965 (file_hash_newfunc): Likewise.
1966 (file_hash_lookup): Likewise.
1967 (demangled_hash_newfunc): Likewise.
1968 (demangled_hash_lookup): Likewise.
1969 (tlink_int): Likewise.
1970 (read_repo_file): Likewise.
1971 (recompile_files): Likewise.
1972 (demangle_new_symbols): Likewise.
1973 (scan_linker_output): Likewise.
1975 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1977 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
1979 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
1981 * rs6000.c (output_mi_thunk): Improve test for local branch.
1983 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1985 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
1987 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1989 * reload1.c (reload_reg_free_before_p): Delete.
1990 Changed all callers to use reload_reg_free_for_value_p instead.
1991 (reload_reg_free_for_value_p): Handle more reload types.
1992 A RELOAD_FOR_INPUT doesn't conflict with its
1993 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
1994 Add special case for OUT == const0_rtx.
1995 Added ignore_address_reloads argument. Changed all callers.
1997 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
1999 * toplev.c (compile_file): Don't pedwarn about undefined static
2000 functions just because we passed -Wunused.
2002 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2004 * function.c (purge_addressof_1): Unshare rtl created by
2007 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2009 * regmove.c (regmove_optimize): Don't do anything but
2010 optimize_reg_copy[123] when flag_regmove is not set.
2012 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
2014 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
2015 value in paradoxical SImode result, rather than truncating midpoint.
2017 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
2019 * alpha.c (reg_not_elim_operand): New.
2020 * alpha.h (PREDICATE_CODES): Add it.
2021 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
2022 for the multiplicand.
2024 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
2026 * rs6000.md (movsf): Remove explicit secondary-reload-like
2027 functionality. Only truncate SFmode store if in FPR.
2028 (movsf splitters): Combine const_double splitters.
2029 (movsf_hardfloat): Add GPR support.
2031 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
2033 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
2034 deprecate -mlive-g0 and -mbroken-saverestore.
2035 * t-splet (MULTILIB_OPTIONS): Likewise.
2037 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
2038 in a leaf function. Clarify total_size/extra_size relationship.
2040 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
2042 * i386/cygwin32.asm: Delete.
2043 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
2044 * i386/cygwin32.h: Delete.
2045 * i386/cygwin.h: New file, renamed from cygwin32.h.
2046 * i386/t-cygwin32: Delete.
2047 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
2048 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
2049 * i386/x-cygwin32: Delete.
2050 * i386/x-cygwin: New file, renamed from x-cygwin32.
2051 * i386/xm-cygwin32: Delete.
2052 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
2053 renamed cygwin_ funcs for path translations.
2054 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
2055 * i386/winnt.c: Remove "32" from comment about cygwin.
2056 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
2057 * rs6000/cygwin32.h: Delete.
2058 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
2059 -D__CYGWIN__ to CPP_PREDEFINES.
2060 * rs6000/x-cygwin32: Delete.
2061 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
2062 * rs6000/xm-cygwin32: Delete.
2063 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
2065 * configure.in: Check for cygwin* instead of cygwin32. Account
2066 for the rename of cygwin-related config files to lose the "32"s.
2067 * configure: Regenerate.
2069 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
2070 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
2072 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
2074 * Makefile.in (JAVAGC): New macro.
2075 * configure: Rebuilt.
2076 * configure.in: Recognize --enable-java-gc argument. Subst
2079 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2081 Handle equivalences that have been obscured by gcse:
2083 * reload1.c (reload): Handle equivalences set up in multiple places.
2084 * local-alloc.c (reg_equiv_init_insns): New variable.
2085 (no_equiv): New function.
2086 (update_equiv_regs): Handle equivalences set up in multiple places.
2087 Don't ignore an insn just because its destination is likely to be
2090 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
2092 * except.c (expand_eh_return): Readd force_operand call lost in
2095 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
2097 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
2099 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2101 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
2103 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2105 * regmove.c (regmove_optimize): Fix error in last change.
2107 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
2109 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
2110 offset in the .mask pseudo to compensate for frame pointer adjustments.
2111 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
2112 word swap arguments moved to/from FP registers.
2113 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
2115 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
2117 * version.c: Bump for snapshot.
2119 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
2121 * version.c: Bump for snapshot.
2123 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
2125 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
2126 times, then it can not be completely replaced.
2128 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
2130 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
2132 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2134 * gansidecl.h: Prepend a "G" to the macro wrapping this file
2135 (to distinguish it from the macro wrapping ansidecl.h.)
2136 Include libiberty's ansidecl.h. Remove all redundant definitions.
2137 Define the PROTO() style macros in terms of the PARAMS() ones.
2140 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
2141 __STDC__, when deciding whether to use ANSI variable args.
2142 (emit_library_call_value): Likewise.
2144 * cccp.c (error): Likewise.
2145 (warning): Likewise.
2146 (error_with_line): Likewise.
2147 (warning_with_line): Likewise.
2148 (pedwarn): Likewise.
2149 (pedwarn_with_line): Likewise.
2150 (pedwarn_with_file_and_line): Likewise.
2153 * cexp.y (error): Likewise.
2154 (pedwarn): Likewise.
2155 (warning): Likewise.
2157 * collect2.c (fatal_perror): Likewise.
2161 * combine.c (gen_rtx_combine): Likewise.
2163 * cpperror.c (cpp_message): Likewise.
2164 (cpp_fatal): Likewise.
2166 * cpplib.c (cpp_error): Likewise.
2167 (cpp_warning): Likewise.
2168 (cpp_pedwarn): Likewise.
2169 (cpp_error_with_line): Likewise.
2170 (cpp_warning_with_line): Likewise.
2171 (cpp_pedwarn_with_line): Likewise.
2172 (cpp_pedwarn_with_file_and_line): Likewise.
2174 * cpplib.h: Don't define PARAMS() macro.
2176 * demangle.h: Likewise.
2178 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
2179 when deciding whether to use ANSI variable args.
2181 * emit-rtl.c (gen_rtx): Likewise.
2182 (gen_rtvec): Likewise.
2184 * final.c (asm_fprintf): Likewise.
2186 * fix-header.c (cpp_message): Likewise.
2188 (cpp_fatal): Likewise.
2190 * gcc.c (concat): Likewise.
2194 * genattr.c (fatal): Likewise.
2196 * genattrtab.c (attr_rtx): Likewise.
2197 (attr_printf): Likewise.
2200 * gencodes.c (fatal): Likewise.
2202 * genconfig.c (fatal): Likewise.
2204 * genemit.c (fatal): Likewise.
2206 * genextract.c (fatal): Likewise.
2208 * genflags.c (fatal): Likewise.
2210 * genopinit.c (fatal): Likewise.
2212 * genoutput.c (fatal): Likewise.
2215 * genpeep.c (fatal): Likewise.
2217 * genrecog.c (fatal): Likewise.
2219 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
2220 deciding whether to declare `tree_node' and `rtx_def'.
2222 * hash.h: Don't define stuff we get from gansidecl.h.
2224 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
2225 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2226 whether to use ANSI variable args.
2229 * prefix.c (concat): Likewise.
2233 * system.h: Likewise.
2235 * toplev.c (error_with_file_and_line): Likewise.
2236 (error_with_decl): Likewise.
2237 (error_for_asm): Likewise.
2240 (warning_with_file_and_line): Likewise.
2241 (warning_with_decl): Likewise.
2242 (warning_for_asm): Likewise.
2243 (warning): Likewise.
2244 (pedwarn): Likewise.
2245 (pedwarn_with_decl): Likewise.
2246 (pedwarn_with_file_and_line): Likewise.
2248 (really_sorry): Likewise.
2250 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
2251 whether to declare `tree_node' and `rtx_def'.
2253 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
2254 deciding whether to use ANSI variable args.
2255 (build_nt): Likewise.
2256 (build_parse_node): Likewise.
2258 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
2260 * version.c: Bump for snapshot.
2262 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2264 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
2266 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2268 * collect2.c (main, case 'b'): Use else if.
2270 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2272 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
2273 Arrange to include gansidecl.h in {ht}config.h & tm.h just
2274 before the config/ directory headers.
2275 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
2276 gansidecl.h in the list of dependencies.
2278 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
2279 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
2280 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
2281 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
2282 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
2283 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
2286 * cccp.c: Don't include gansidecl.h.
2288 * collect2.c: Likewise.
2289 * config/c4x/c4x.c: Likewise.
2290 * config/v850/v850.h: Likewise.
2291 * cppalloc.c: Likewise.
2292 * cpperror.c: Likewise.
2293 * cppexp.c: Likewise.
2294 * cppfiles.c: Likewise.
2295 * cpphash.c: Likewise.
2296 * cpplib.c: Likewise.
2297 * cppmain.c: Likewise.
2298 * cppulp.c: Likewise.
2299 * demangle.h: Likewise.
2300 * doprint.c: Likewise.
2301 * dyn-string.c: Likewise.
2302 * eh-common.h: Likewise.
2303 * fix-header.c: Likewise.
2304 * frame.c: Likewise.
2307 * gen-protos.c: Likewise.
2308 * gencheck.c: Likewise.
2309 * halfpic.h: Likewise.
2311 * machmode.h: Likewise.
2312 * mbchar.c: Likewise.
2313 * prefix.c: Likewise.
2314 * protoize.c: Likewise.
2315 * recog.h: Likewise.
2317 * scan-decls.c: Likewise.
2319 * varray.h: Likewise.
2321 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
2323 * i386.md (call_value_pop): If we're not popping anything,
2324 defer to call_value.
2325 (call_pop): Likewise defer to call.
2327 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
2329 * function.c (purge_addressof): Clear purge_addressof_replacements
2330 only after processing the whole function.
2332 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
2334 * reload1.c (reload): If we can not perform a particular elimination
2335 when we thought we could earlier, then we must always iterate through
2336 the loop at least one more time.
2338 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
2340 * alpha.c (add_operand): Simplify the CONST_INT match.
2341 (sext_add_operand): Correct typo in comparison by using
2342 CONST_OK_FOR_LETTER_P.
2343 * alpha.md (s?addq): Use sext_add_operand to allow the negative
2344 constant alternatives to be generated.
2345 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
2346 small constants, since the hw instructions do.
2348 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2350 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
2351 previous insn to store directly into our reload register, make sure
2352 that if the source of the previous insn is a reload register, its
2353 spill_reg_store and spill_reg_stored_to values are cleared.
2355 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
2357 * rs6000.md (floatunssidf2_internal splitter): Use base register
2358 operand, not hard-coded SP.
2360 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2362 * jump.c (calculate_can_reach_end): Fix thinko.
2364 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
2366 * reorg.c (fill_simple_delay_slots): Fix typo.
2368 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
2370 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
2372 * i386.md (extendsidi2): Use # in the output template.
2373 (extendsidi splitters): New splitters.
2375 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
2377 * configure.in: Use unknown-elf.h as tm_file for arm-elf
2379 * configure: Regenerate.
2381 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2383 * jump.c (init_label_info, delete_barrier_successors,
2384 mark_all_labels, delete_unreferenced_labels,
2385 delete_noop_moves, calculate_can_reach_end): New functions broken
2386 out of jump_optimize.
2387 (jump_optimize): Use them.
2389 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2391 * except.c (expand_fixup_region_end): Make sure outer context labels
2392 are not issued in an inner context during cleanups.
2394 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
2396 * alpha.md (addsi3, subsi3): No new temporaries once cse is
2399 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
2401 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
2402 to expose this midpoint to CSE.
2404 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2406 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
2408 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2410 * configure.in: Bring over gcc2 change of Nov 19 1997.
2412 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
2414 * toplev.c (output_lang_identify): Make definition dependent on
2415 ASM_IDENTIFY_LANGUAGE.
2417 * print-rtl.c (spaces): Make static.
2419 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
2421 * extend.texi: Clarify proper uses for register clobbers in asms.
2423 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2425 * recog.h (enum op_type): Define.
2426 (constrain_operands): Adjust prototype.
2427 (recog_op_type): Declare new variable.
2428 * recog.c (recog_op_type): New variable.
2429 (insn_invalid_p): Allow modifying an asm statement after reload.
2430 (extract_insn): Set up recog_op_type.
2431 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2432 Don't compute operand types, use recog_op_type.
2433 Use the information computed by extract_insn instead of the previous
2434 method of finding it by insn code number.
2435 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2436 * reorg.c (fill_slots_from_thread): Likewise.
2437 * reload1.c (reload_as_needed): Likewise.
2438 (gen_reload): Likewise.
2439 (inc_for_reload): Likewise.
2440 (reload_cse_simplify_operands): Likewise.
2441 Use the information computed by extract_insn instead of the previous
2442 method of finding it by insn code number.
2443 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
2445 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
2446 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
2447 Use the information computed by extract_insn instead of the previous
2448 method of finding it by insn code number.
2449 * regmove.c (find_matches): Likewise. Change meaning of the return
2450 value to be nonzero if the optimization can be performed, zero if
2451 not. All callers changed.
2452 Shorten some variable names to fix formatting problems.
2453 (regmove_optimize): Shorten some variable names to fix formatting
2455 Use the information computed by extract_insn instead of the previous
2456 method of finding it by insn code number.
2457 * regclass.c (scan_one_insn): Likewise.
2458 (record_reg_classes): Don't compute operand types, use recog_op_type.
2459 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
2460 recog_constraints instead.
2462 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
2464 * rtl.h (flow2_completed): Declare.
2465 * flow.c (flow2_completed): Definition.
2466 * toplev.c (rest_of_compilation): Set and clear flow2_completed
2469 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2471 * Makefile.in (libcpp.a): Ranlib libcpp.a
2473 * cppulp.c (user_label_prefix): Initialize.
2475 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
2477 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
2478 at a RETURN if current_function_sp_is_unchanging is set.
2480 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2482 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
2484 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
2486 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
2487 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
2488 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
2489 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
2490 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
2491 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
2493 (LIB_SPEC): Handle -mno-cyginw option.
2494 (LINK_SPEC): Handle -mdll.
2496 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2498 * reload.c (find_reloads): Fix test for usage by other reload
2499 to handle secondary reloads properly.
2501 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2503 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
2504 intermediate structure which has exactly the members provided by
2505 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
2506 static intermediate structure.
2508 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
2509 from the intermediate structure. Do the same analogous fix in
2510 the case where ELIMINABLE_REGS is not defined.
2512 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
2514 * pa.h (SELECT_SECTION): Fix thinko.
2516 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
2518 * dwarf2out.c (output_call_frame_info): Comments on last change.
2520 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
2522 * arm.c (add_constant): When taking the address of an item in the
2523 pool, get the mode of the item addressed.
2525 * arm.c (final_prescan_insn case INSN): If an insn doesn't
2526 contain a SET or a PARALLEL, don't consider it for conditional
2529 Restore ABI compatibility for NetBSD.
2530 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
2532 (RETURN_IN_MEMORY): Likewise.
2534 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
2536 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
2537 (m32r_output_block_move): Rewrite bytes < 4 handling.
2539 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2541 * configure.in: Call AC_FUNC_VFORK.
2543 * collect2.c: Define VFORK_STRING as a printable string for
2544 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
2545 defined, include vfork.h. If VMS is defined, define vfork()
2546 appropriately. Remove vfork check on USG, we're using autoconf.
2547 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
2548 checking locally what string to pass.
2549 (scan_prog_file): Likewise.
2550 (scan_libraries): Likewise.
2552 * gcc.c: Remove vfork check on USG, we're using autoconf.
2553 Besides, no calls to vfork/fork occur in this file.
2555 * protoize.c: Likewise.
2557 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2559 * configure.in (DEFAULT_LINKER): renamed from LD
2560 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
2561 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
2562 * configure: rebuilt
2564 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2566 * BUGS: fix the regexp for `more' to find the appropriate node.
2567 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
2569 * BUGS: added link to the WWW FAQ
2571 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
2573 * version.c: Bump for snapshot.
2575 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
2577 * From Christian Gafton:
2578 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
2579 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
2580 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
2582 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
2584 * c-common.c (c_get_alias_set): Allow all type-punning through
2585 unions. Don't get confused about the type of a bit-field, despite
2586 the antics of build_modify_expr.
2588 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
2590 * fixinc.sco: Paramaterize #include_next values.
2591 * fixinc/fixinc.sco: Likewise.
2593 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
2595 * toplev.c (rest_of_compilation): No longer set reload_completed.
2596 * reload1.c (reload): Set it here. Perform instruction splitting
2597 after reload has completed if we will be running the scheduler
2600 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
2602 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
2603 EH region if exceptions are enabled and we're performing cross
2605 (find_cross_jump): Exit loop if the insns are in different EH regions.
2607 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
2609 * dwarf2out.c (output_call_frame_info): Use
2610 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
2612 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2614 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
2615 * c-common.c (check_format_info): Don't check for the 'x'
2616 format character twice, instead check for 'x' and 'X'
2618 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
2620 * configure.in (assembler features): Also make gas is configured if
2621 we find it in the souce tree.
2623 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
2625 * i386.c (i386_comp_type_attributes): Compare whether the
2626 attributes are defined, not their tree nodes.
2628 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2630 * configure.in (gxx_include_dir): bitten by autoconf quoting
2632 * configure: rebuilt
2634 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2636 * configure.in: Ignore non-absolute value in $AS.
2638 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
2640 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
2642 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
2644 * configure.in (msdosdjgpp): Set exeext and target_alias.
2646 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2648 * flow.c (XNMALLOC): New macro.
2649 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
2651 (add_edge, add_edge_to_label): New static functions.
2652 (free_bb_memory): New function.
2653 (flow_delete_insn): Delete function.
2654 (basic_block_drops_in): Delete variable.
2655 (find_basic_blocks): Allocate and initialize basic_block_head,
2656 basic_block_succ. Don't allocate basic_block_drops_in.
2657 Call free_bb_memory at the beginning.
2658 (find_basic_blocks_1): Don't do multiple passes.
2659 Delete code to compute basic_block_drops_in.
2660 After calling make_edges, mark blocks reached by current block live.
2661 Update test for unreachable live blocks.
2662 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
2664 Simplify to call add_edge_to_label when a LABEL_REF is found.
2665 (make_edges): Simplify to call add_edge_to_label instead of
2666 mark_label_ref most of the time.
2667 Compute here whether control drops into the next block.
2668 (delete_unreachable_blocks): Return void. All callers changed.
2669 Delete unreachable blocks in reverse order.
2670 After deleting all unreachable blocks, renumber the remaining ones
2671 and update n_basic_blocks.
2672 (delete_block): Speed up deletion a bit.
2673 Don't set basic_block_drops_in for deleted blocks.
2674 (free_basic_block_vars): Don't free basic_block_drops_in.
2675 (life_analysis_1): Update to use new edge representation.
2676 (dump_flow_info): Delete code to print basic block info; call
2677 dump_bb_data instead.
2678 (compute_preds_succs): Delete code to recompute basic_block_drops_in
2679 and uid_block_number.
2680 Simply copy the previously computed cfg.
2681 (dump_bb_data): New arg LIVE_INFO. All callers changed.
2682 Print register lifetime information if LIVE_INFO is nonzero.
2683 * basic-block.h (dump_bb_data): Adjust prototype.
2684 * gcse.c (gcse_main): Update call to dump_bb_data.
2685 * rtl.h (free_bb_memory): Declare.
2686 * toplev.c (rest_of_compilation): Call free_bb_memory.
2688 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
2689 (update_eliminable_offsets): Don't compute it.
2690 (set_initial_elim_offsets): Don't initialize it.
2691 Break out some code into set_initial_label_offsets so the rest of
2692 this function can be called from reload_as_needed.
2693 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
2694 ELIMINABLE_REGS isn't.
2695 (set_initial_label_offsets): New function, broken out of
2696 set_initial_elim_offsets.
2697 (set_offsets_for_label): New function, broken out of set_label_offsets
2698 and reload_as_needed.
2699 (reload): Call the two new functions.
2700 (reload_as_needed): Call set_initial_elim_offsets instead of
2701 duplicating the code. Likewise for set_offsets_for_label.
2703 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
2704 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
2705 any hard reg, reg_reloaded_dead contains valid data.
2707 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
2709 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
2710 "stdcall" and "cdecl" attributes.
2712 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
2714 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
2715 handle deleted no-op moves of hard registers.
2716 * haifa-sched.c (update_flow_info): Likewise.
2718 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
2720 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
2721 of the sequences to reload the HILO register which do not actually
2724 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
2726 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
2728 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2730 * except.c (emit_eh_context): Make the EH context register stay alive
2731 at -O0 so stupid.c doesn't get confused.
2733 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2735 * emit-rtl.c (try_split): Do not try to split a BARRIER.
2737 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
2738 Jeffrey A Law (law@cygnus.com)
2740 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
2741 (zero_extendsidi2): Use # in output template and handle completely by
2743 (zero_extend splitters): New define_splits.
2744 (ashiftrt_32): New pattern.
2746 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2748 * tree.c (append_random_chars): New fn.
2749 (get_file_function_name_long): Use it.
2751 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
2753 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
2754 (LIBCPP_OBJS): New. Add cppulp.o.
2755 (cppmain, fix-header): Depend on and use libcpp.a.
2756 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
2757 of the individual object files.
2758 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
2761 * cccp.c (user_label_prefix): New.
2762 (main): Set it off -f*leading-underscore.
2763 (special_symbol): Use it.
2764 * cpplib.c (special_symbol): Likewise.
2765 (cpp_handle_option): Handle -f*leading-underscore.
2766 * cppulp.c: New file.
2768 * output.h (user_label_prefix): Declare it.
2769 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
2770 * toplev.c (f_options, main): Handle -f*leading-underscore.
2772 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
2773 referencing USER_LABEL_PREFIX directly.
2774 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
2775 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
2776 * final.c (asm_fprintf): Use user_label_prefix instead.
2777 * arm/thumb.c (thumb_print_operand): Likewise.
2779 * gcc.c (default_compilers): Pass -f*leading-underscore on to
2780 cpp wherever appropriate.
2782 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
2784 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
2785 specific compiler switches.
2787 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
2789 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
2792 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2794 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
2795 structure which has exactly the members provided by EXTRA_SPECS.
2796 Xmalloc() the real `extra_specs', and initialize it from this
2797 intermediate structure.
2799 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
2801 * mips.h (EXTRA_SPECS): Likewise.
2803 * sparc.h (EXTRA_SPECS): Likewise.
2805 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2807 * function.c (purge_addressof_1): Instead of aborting when a
2808 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
2809 work just put the ADDRESSOF on stack. Otherwise remember all such
2810 successfull replacements, so that exactly the same replacements
2811 can be made on the REG_NOTEs. Remove the special case for CALL
2813 (purge_addressof_replacements): New variable.
2814 (purge_addressof): Clear it at end.
2816 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2818 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
2819 (lang_init): Call check_newline always.
2820 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
2821 cpp_start_read, set yy_cur and yy_lim to read from
2822 parse_in.token_buffer, so that we'll see the first #line
2824 * cpplib.c (cpp_start_read): finclude the main input file
2825 before processing -include/-imacros. Process -imacros and
2826 -include separately, and handle -include by stacking a
2827 buffer for the file in question as if it'd been #included.
2828 * toplev.c (documented_lang_options) Recognize -H when
2831 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2833 * cpplib.c: Merge do_once into do_pragma. Break file handling
2834 code out of do_include.
2835 Move append_include_chain, deps_output,
2836 file_cleanup, redundant_include_p, import_hash,
2837 lookup_import, add_import, read_filename_string, read_name_map,
2838 open_include_file, finclude, safe_read to cppfiles.c.
2839 Move prototypes for deps_output, append_include_chain,
2840 finclude to cpplib.h. Move definition of struct
2841 file_name_list there also.
2843 * cppfiles.c: New file. Contains all the above functions
2844 broken out of cpplib.c; also hack_vms_include_specification
2845 from cccp.c and find_include_file, a new function broken out of
2848 * Makefile.in (cppmain): Depend on cppfiles.o.
2849 (fix-header): Likewise.
2850 (cppfiles.o): New target.
2851 * configure.in (--enable-c-cpplib): Add cppfiles.o to
2852 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
2854 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
2856 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
2857 if pending_types is non-zero.
2858 (dwarfout_finish): Verify pending_types is zero before finishing.
2860 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
2862 * expr.c (convert_move): Use shifts to perform the move if a
2863 suitable extend pattern cannot be found. Code written by
2864 Richard Henderson <rth@cygnus.com>.
2866 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2868 * regclass.c (renumber, regno_allocated): New static variables, moved
2869 out of allocate_reg_info.
2870 (allocate_reg_info): Move these two variables outside the function.
2871 Move code to free memory into new function free_reg_info.
2872 (free_reg_info): New function, broken out of allocate_reg_info.
2873 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
2874 * rtl.h (allocate_reg_info): Don't declare.
2875 (free_reg_info): Declare.
2877 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
2879 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
2881 * toplev.c (compile_file): Temporarily revert last change.
2883 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2885 * c-typeck.c (convert_for_assignment): Parenthesize.
2887 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2889 * reload1.c (delete_output_reload): Avoid ambigous else.
2891 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
2893 * toplev.c (compile_file): Call allocate_reg_info to free register
2895 * rtl.h (allocate_reg_info): Declare.
2897 * PROJECTS: Remove entry for local spilling.
2899 * final.c (cleanup_subreg_operands): New function.
2900 (final_scan_insn): Use it.
2901 (alter_subreg): Clear the "used" field when we turn a SUBREG into
2903 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
2904 operands when reload has finished.
2905 * reload.h (cleanup_subreg_operands): Declare..
2906 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
2907 reload. Handled in reload itself.
2909 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2911 * reload1.c (verify_initial_offsets): New function.
2912 (reload): Call it after reload_as_needed. Also verify that the frame
2913 size stays constant during reload_as_needed.
2914 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
2916 * reload.h (struct insn_chain): Add need_operand_change element.
2917 * reload1.c (new_insn_chain): Clear it.
2918 (calculate_needs_all_insns): Set it; don't overload need_reload.
2919 (reload_as_needed): Use it.
2921 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
2922 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
2923 and reload_address_index_reg_class.
2924 (find_reloads_address_1): Likewise.
2925 * reload.h (reload_address_base_reg_class,
2926 reload_address_index_reg_class): Don't declare.
2927 * reload1.c (reg_old_renumber, pseudo_previous_regs,
2928 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
2929 (used_spill_regs): Now static.
2930 (reload_address_base_reg_class, reload_address_index_reg_class,
2931 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
2932 basic_block_needs, max_needs, group_size, group_mode, max_groups,
2933 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
2936 (init_reload): Delete code to compute base/index reg classes.
2937 (reload): Delete variable J.
2938 Delete code to manage basic_block_needs.
2939 Don't compute regs_explicitly_used.
2940 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
2941 pseudo_previous_regs.
2942 Initialize bad_spill_regs_global.
2943 Don't call order_regs_for_reload here.
2944 Don't initialize spill_reg_order and n_spills.
2945 Don't forbid explicitly used regs to be used for spill regs.
2946 Change main loop to infinite loop, with explicit break statements.
2947 Make SOMETHING_CHANGED variable local to that loop.
2948 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
2949 max_groups_insn, max_nongroups_insn, group_size, group_mode.
2950 Make sure spilled_speudos is cleared before calling spill_hard_reg or
2952 Don't call dump_needs.
2953 Delete code to reset potential_reload_regs.
2954 Delete code to terminate loop conditional on the global needs variables
2955 showing no further needs.
2956 (calculate_needs_all_insns): Return void. All callers changed.
2957 Initialize somehing_needs_elimination here, not in reload.
2958 Delete avoid_return_reg kludge.
2959 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
2960 All callers changed.
2961 Initialize the group_mode and group_size elements of the arg CHAIN.
2962 Delete code to manage basic_block_needs.
2963 Operate on elements of CHAIN instead of global variables.
2964 Delete avoid_return_reg kludge.
2965 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
2966 All callers changed.
2967 Operate on elements of CHAIN instead of global variables.
2968 Delete special SMALL_REGISTER_CLASSES code.
2969 Delete spill_failure code; now in new_spill_reg.
2970 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
2971 All callers changed.
2972 Operate on elements of CHAIN instead of global variables.
2973 (maybe_mark_pseudo_spilled): New static function.
2974 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
2975 All callers changed.
2976 Operate on elements of CHAIN instead of global variables.
2977 Call order_regs_for_reload here, not in reload.
2978 Initialize spill_reg_order and n_spills.
2979 Simplify test whether an asm insn is involved.
2980 Delete spill_failure code; now in new_spill_reg.
2981 Call maybe_mark_pseudo_spilled for everything marked as live in
2982 CHAIN. Merge CHAIN's used_spill_regs into the global variable
2984 (dump_needs): Take CHAIN arg. No longer static, to prevent the
2985 compiler from optimizing this function (now unused) away.
2986 Operate on elements of CHAIN instead of global variables.
2987 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
2989 Operate on elements of CHAIN instead of global variables.
2990 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
2991 take CHAIN arg. All callers changed.
2992 Operate on elements of CHAIN instead of global variables.
2993 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
2994 CHAIN, NONGROUP args. Return void. All callers changed.
2995 Verify caller isn't trying to spill a pseudo.
2996 Simplify test for illegal reg, just use bad_spill_regs.
2997 Generate better error messages.
2998 Operate on elements of CHAIN instead of global variables.
2999 Mark spilled register in CHAIN's used_spill_regs element.
3000 Don't call spill_hard_reg.
3001 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
3002 Mark spilled hard regs in bad_spill_regs_global.
3003 Mark affected pseudos in spilled_pseudos, but don't spill them.
3004 (ior_hard_reg_set): New static function.
3005 (finish_spills): Return int. All callers changed.
3006 Compute spill_reg_order, n_spills and spill_regs here. Also update
3007 regs_ever_live for regs used as spills.
3008 For every pseudo in spilled_pseudos, spill it and mark the previous
3009 hard reg it had in pseudo_previous_regs. Compute which hard regs
3010 arseudo): New static function.
3011 (order_regs_for_reload): Take CHAIN arg. All callers changed.
3012 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
3013 hard registers explicitly used across the current insn into the set.
3014 Compute hard_reg_n_uses taking only pseudos live across this insn
3016 Tweak sorting of potential_reload_regs.
3017 (compare_spill_regs): Delete function.
3018 (reload_as_needed): Don't sort the spill_regs array, it's computed
3019 in proper order in finish_spills.
3020 Delete avoid_return_reg kludge.
3021 Delete code to manage basic_block_needs.
3022 (allocate_reload_reg): Minor speed/readability tweaks.
3023 Operate on elements of CHAIN instead of global variables.
3024 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
3025 Delete avoid_return_reg kludge.
3026 Initialize reload_reg_used from CHAIN's used_spill_regs element.
3027 Delete unused label FAIL.
3028 (reload_combine): Replce reload_address_index_reg_class with
3030 Don't use used_spill_regs to determine information about lifetime of
3033 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
3035 * toplev.c (display_help): Ignore empty target specific
3036 options, and if -W is also specified on the command line then
3037 display undocumented options.
3039 * config/arm/arm.c: Updated with changes in devo sources.
3040 * config/arm/arm.h: Updated with changes in devo sources.
3041 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
3042 * config/arm/lib1thumb.asm: Add ELF support.
3044 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
3046 * collect2.c (aix64_flag): New variable.
3047 (main, case 'b'): Parse it.
3048 (GCC_CHECK_HDR): object magic number must match mode.
3049 (scan_prog_file): Only check for shared object if valid header.
3050 Print debugging if header/mode mismatch.
3052 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
3054 Added support for arm-elf-linux configuration, submitted by Philip
3055 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
3056 code developed by Catherine Moore <clm@cygnus.com>. The following
3059 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
3062 * configure: Regenerated.
3064 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
3065 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
3066 definitions conditional on their not having been already defined.
3068 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
3069 and .type directives, and add "(PLT)" qualification to function
3072 * config/arm/linux.h: Deleted. This file is now superceeded by
3073 either linux-elf.h or linux-aout.h.
3075 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
3076 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
3078 Move definitions from old linux.h file here.
3080 * config/arm/elf.h: New file. Generic ARM/ELF support.
3082 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
3084 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
3086 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
3087 using the 26bit APCS.
3089 * config/arm/unknown-elf.h: New file. Support for OS'es other
3090 than Linux with ELF.
3092 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
3095 * config/arm/coff.h: Include aout.h for basic assembler macros.
3096 Add support for -mstructure_size_boundary=<n> command line option.
3098 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
3099 command line option. Make macro definitions conditional on their
3100 not having been already defined.
3102 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
3103 command line option.
3106 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
3108 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
3109 has been changed to not include a newline. Use this macro instead.
3110 (output_enumeral_list, const_value_attribute, name_attribute,
3111 comp_dir_attribute, prototyped_attribute, producer_attribute,
3112 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
3113 dwarfout_file_scope_decl, generate_new_sfname_entry,
3114 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
3115 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
3117 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
3119 * combine.c (subst): Process the inputs to a parallel asm_operands
3122 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
3124 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
3126 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
3128 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
3130 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
3132 * version.c: Bump for snapshot.
3134 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
3136 * stmt.c (expand_fixup): Set fixup->before_jump to a
3137 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
3139 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3141 * Makefile.in (recog.o): Depend on toplev.h.
3142 (insn-emit.o): Depend on recog.h.
3143 (insn-peep.o): Depend on recog.h and insn-config.h.
3145 * combine.c (simplify_set): Remove unused variable `scratches'.
3147 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
3148 and `idx' in macro conditional controlling their use.
3150 * genemit.c (main): Make the generated output file include
3151 recog.h. Don't have it declare `insn_operand_constraint', since
3152 we get it from recog.h.
3154 * genpeep.c (main): Make the generated output file include
3155 insn-config.h and recog.h.
3157 * recog.c: Include toplev.h.
3158 (extract_insn): Remove unused variable `p'.
3160 * regclass.c (fix_register): Add missing braces around initializer
3162 (allocate_reg_info): Move variable `i' into the scope where it is
3163 used. Change its type to `size_t'.
3165 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3167 * reload.c (push_reload): When merging reloads, make sure
3168 that reload_in_reg and reload_in are from the same reload in
3171 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
3173 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
3174 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3176 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
3178 * loop.c (loop_has_tablejump): New variable.
3179 (prescan_loop): Scan for it.
3180 (insert_bct): Replace explicit scan with use of it.
3181 * regclass.c (regclass): Restore loop variable j.
3182 (record_reg_classes): Deterine op_types modifiers and initialize
3183 classes[i] before matching constraints. Handle matching
3186 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
3188 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
3191 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3193 * mips.h (EXTRA_SPECS): Add missing initializers.
3195 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3197 * sparc.h (EXTRA_SPECS): Add missing initializers.
3198 (sparc_defer_case_vector): Provide a prototype.
3200 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
3201 comparing it to the result of a pointer subtraction.
3203 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3205 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
3206 the argument to (unsigned char).
3208 * alpha.h (EXTRA_SPECS): Add missing initializers.
3209 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
3212 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
3214 * flow.c (life_analysis_1): Enable "rescan" code after reload.
3215 (propagate_block): Delete dead code after reload.
3217 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
3218 back Oct 15, 1998 change.
3219 * haifa-sched.c (update_flow_info): Likewise.
3220 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
3222 * mn10200.md (truncated shift): Accept constant inputs too.
3224 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
3226 * machmode.h (mode_mask_array): No longer const.
3227 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
3229 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3231 * frame.c: Somewhat explain `FDE'.
3232 Suggested by Brendan Kehoe
3234 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
3236 * expr.c (pending_chain): Move up.
3237 (save_expr_status): Do save pending_chain.
3238 (restore_expr_status): And restore it.
3239 * function.h (struct function): Add pending_chain.
3241 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3243 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
3244 did not match the code.
3246 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3248 * regclass.c (regclass): Break out some code into new function
3249 scan_one_insn, and into regclass_init.
3250 (init_cost): New static variable, moved out of regclass.
3251 (regclass_init): Initialize it here, not in .
3252 (scan_one_insn): New static function, broken out of regclass.
3253 * recog.c (apply_change_group): Break out some code into new
3254 function insn_invalid_p.
3255 (insn_invalid_p): New static fn, broken out of apply_change_group.
3257 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
3259 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
3260 reg_reloaded_contents matches incremented pseudo.
3262 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
3264 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3266 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
3267 addressing modes with side effects. These are currently
3268 placeholders for the C4x target.
3270 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3272 * loop.c (express_from): Make sure that when generating a PLUS of
3273 a PLUS, any constant expression appears on the outermost PLUS.
3275 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
3277 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
3278 works if "$(srcdir)" != ".".
3280 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
3282 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
3283 existing SUBREG if we can, otherwise abort.
3285 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
3287 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
3288 `restrict' is applied to a non-pointer variable.
3290 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
3292 * invoke.texi: Document -flang-isoc9x.
3294 * Makefile.in (OBJS): Add splay-tree.o.
3295 (c-common.o): Depend on rtl.h.
3296 (splay-tree.o): List dependencies and provide build rule.
3298 * rtl.h (record_alias_subset): New function.
3299 * alias.c: Include splay-tree.h.
3300 (alias_set_entry): New type.
3301 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
3302 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
3303 (mems_in_disjoin_alias_sets_p): New function.
3304 (alias_set_compare): Likewise.
3305 (insert_subset_children): Likewise.
3306 (get_alias_set_entry): Likewise.
3308 * tree.h (TYPE_RESTRICT): New macro.
3309 (TYPE_UNQUALIFIED): New manifest constant.
3310 (TYPE_QUAL_CONST): Likewise
3311 (TYPE_QUAL_VOLATILE): Likewise.
3312 (TYPE_QUAL_RESTRICT): Likewise.
3313 (tree_type): Add restrict_flag. Reduce count of free bits.
3314 (DECL_POINTER_ALIAS_SET): New macro.
3315 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
3316 (tree_decl): Add pointer_alias_set.
3317 (build_qualified_type): New function.
3318 (build_type_variant): Define in terms of build_qualified_type.
3319 * tree.c (set_type_quals): New function.
3320 (make_node): Initializae DECL_POINTER_ALIAS_SET.
3321 (build_type_attribute_variant): Use build_qualified_type and
3323 (build_type_variant): Rename, and modify, to become...
3324 (build_qualified_type): New function.
3325 (build_complex_type): Use set_type_quals.
3327 * c-tree.h (C_TYPE_OBJECT_P): New macro.
3328 (C_TYPE_FUNCTION_P): Likewise.
3329 (C_TYPE_INCOMPLETE_P): Likewise.
3330 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
3331 (c_apply_type_quals_to_decl): New function.
3332 (c_build_qualified_type): New function.
3333 (c_build_type_variant): Define in terms of c_build_qualified_type.
3334 (flag_isoc9x): Declare.
3335 * c-typeck.c (qualify_type): Use c_build_qualified_type.
3336 (common_type): Change to use TYPE_QUALS.
3337 (comptypes): Likewise.
3338 (convert_for_assignment): Likewise.
3339 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
3340 * c-decl.c (flag_isoc9x): Define.
3341 (c_decode_option): Handle -flang-isoc9x.
3342 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
3343 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
3344 * c-lex.c (init_lex): Deal with restrict.
3345 (init_lex): Don't treat restrict as a reserved word in
3346 -traditional mode, or without -flang-isoc9x.
3347 * c-lex.h (rid): Add RID_RESTRICT.
3348 * c-parse.gperf (restrict, __restrict, __restrict__): Make
3349 equivalent to RID_RESTRICT.
3350 * c-parse.in (TYPE_QUAL): Update comment.
3351 * c-common.c: Include rtl.h.
3352 (c_find_base_decl): New function.
3353 (c_build_type_variant): Rename, and modify, to become ...
3354 (c_build_qualified_type): New function.
3355 (c_apply_type_quals_to_decl): Likewise.
3356 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
3357 a particular alias set for the reference.
3358 * toplev.c (documented_lang_options): Add -flang-isoc9x.
3360 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
3362 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
3363 command line switches.
3365 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
3367 * reload.c (loc_mentioned_in_p): Add missing braces to bind
3370 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
3372 * gcc.c (option_map): Added --classpath and --CLASSPATH.
3374 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
3376 * regclass.c (fix_register): Add error message.
3377 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
3380 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3382 * c-decl.c (warn_missing_noreturn): New global variable.
3383 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
3384 (finish_function): Implement missing noreturn warning.
3386 * c-tree.h (warn_missing_noreturn): Declare extern.
3388 * invoke.texi: Document new flags.
3390 * toplev.c (documented_lang_options): Add description.
3392 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3394 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
3395 loop optimization stable for the C4x.
3396 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
3397 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
3398 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
3400 (c4x_address_conflict): Be more paranoid when packing a volatile
3401 memref in a parallel load/store.
3403 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3405 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
3406 repeat_block_filler): Deleted.
3407 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
3408 Condition code not set if destination register from 'c' class.
3409 (*subbqi3_carry_clobber): Fix typo.
3411 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3413 * reorg.c (steal_delay_list_from_target) Check for insns that
3414 modify the condition codes and effect the direction of the jump
3417 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3419 * function.c (purge_addressof_1): Replace call to
3420 emit_insns_before() with emit_insn_before().
3422 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
3424 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
3426 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3428 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3430 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3432 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3433 clobbered across calls.
3435 * loop.c (scan_loop): Be more selective about what invariants are
3436 moved out of a loop.
3438 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
3440 * version.c: Bump for snapshot.
3442 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3444 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
3445 static eh_context structure.
3447 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3449 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
3451 (try_combine): Don't update max_scratch.
3452 * flow.c (max_scratch, num_scratch): Delete variables.
3453 (life_analysis_1): Don't initialize max_scratch.
3454 (propagate_block): Don't update max_scratch.
3455 (mark_set_1): Don't increment num_scratch.
3456 * regs.h (max_scratch): Delete declaration.
3458 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
3460 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
3461 is nonzero. This is temporary!
3463 * sched.c (update_flow_info): Handle death notes made invalid by
3464 instruction splitting. Partially reverts Oct 15, 1998 patch.
3465 * haifa-sched.c (update_flow_info): Likewise.
3467 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
3469 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
3470 if it has a nonzero DECL_INITIAL.
3472 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3474 * Makefile.in (flow.o): Depend on recog.h.
3476 * cpplib.h (directive_table): Add missing initializiers.
3477 (finclude): Change type of variable `bsize' to size_t.
3479 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
3481 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
3483 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
3484 `int' when comparing against one.
3485 (cpp_file_line_for_message): Mark parameter `pfile' with
3487 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
3489 * flow.c: Include recog.h.
3490 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
3492 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
3493 `f' with ATTRIBUTE_UNUSED.
3494 (reposition_prologue_and_epilogue_notes): Likewise.
3496 * genopinit.c (gen_insn): Cast argument of ctype functions to
3499 * haifa-sched.c: Include recog.h.
3500 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
3501 comparing against one.
3503 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
3505 * mips-tfile.c (parse_end): Cast the argument of ctype function to
3507 (parse_ent): Likewise.
3508 (parse_input): Likewise.
3510 * optabs.c (init_libfuncs): Likewise.
3512 * protoize.c (find_rightmost_formals_list): Likewise.
3514 * recog.h (const_double_operand): Fix typo in prototype.
3516 * tlink.c (scan_linker_output): Cast the argument of ctype
3517 function to `unsigned char'.
3519 * toplev.c (check_lang_option): Cast the result of `strlen' to
3520 `int' when comparing against one.
3522 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3524 * gcse.c (dump_cuid_table): Correct typo.
3526 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
3528 * toplev.c (display_help): Prepend '-m' to target specific
3530 (check_lang_option): Ignore text after end of first word of a
3531 language specific option.
3533 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3535 * reload1.c (reg_used_by_pseudo): New static variable.
3536 (choose_reload_regs): Initialize it.
3537 Use it instead of testing spill_reg_order to determine whether a
3538 pseudo is live in a hard register across the current insn.
3539 Fix a typo in a reference to reload_reg_rtx.
3541 * flow.c (propagate_block): Replace code that computes and uses
3542 regs_sometimes_live with simpler code that just walks the set of
3543 currently live registers.
3545 * Makefile.in (insn-extract.o): Fix dependencies.
3546 * genextract.c (main): Generate includes for insn-config.h and
3548 Delete generation of declarations which are now in recog.h.
3549 * genrecog.c (main): Delete generation of definitions which are
3551 * local-alloc.c (block_alloc): Use extract_insn and the variables
3552 it sets up instead of looking up values by insn_code.
3553 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
3554 recog_dup_num): Define here instead of generating the definition in
3556 (recog_n_operands, recog_n_dups, recog_n_alternatives,
3557 recog_operand_mode, recog_constraints, recog_operand_address_p):
3559 (extract_insn): New function.
3560 * recog.h (extract_insn): Declare function.
3561 (which_alternative, recog_n_operands, recog_n_dups,
3562 recog_n_alternatives, recog_operand_mode, recog_constraints,
3563 recog_operand_address_p): Declare variables.
3564 * regclass.c (n_occurrences): New static function.
3565 * reload.c (n_occurrences): Delete function.
3566 (find_reloads): Use extract_insn.
3567 * reload.h (n_occurrences): Delete declaration.
3569 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
3571 * reload1.c (reload_as_needed): Fix test for when to call
3572 update_eliminable_offsets.
3574 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3576 Fix consistency problems with reg_equiv_{mem,address};
3577 Improve reload inheritance;
3579 * reload.c (reload_out_reg): New variable.
3580 (loc_mentioned_in_p, remove_address_replacements): New functions.
3581 (remove_replacements): Deleted.
3582 (push_reload): Set reload_out_reg[i].
3583 When merging, also set reload_{in,out}_reg[i], and remove
3584 duplicate address reloads.
3585 (combine_reloads): Copy reload_out_reg[i].
3586 (find_reloads): Do make_memloc substitution also when
3587 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3589 Include *recog_operand_loc in commutativity operand changes.
3590 Generate optional output reloads.
3591 Delete reference to n_memlocs. Don't set *recog_operand_loc before
3592 processing operands. Call make_memloc in reg_equiv_address code.
3593 Set *recog_operand_loc only after processing operands, and only
3594 if replace is true. Return a value.
3595 When changing address reload types for operands that didn't get
3596 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
3597 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
3598 Don't emit USEs for pseudo SUBREGs when not replacing.
3599 (find_reloads_address): Do make_memloc substitution also when
3600 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3602 (find_reloads_toplev): Likewise.
3603 Call make_memloc in reg_equiv_address code.
3604 (debug_reload_to_stream): Add code to output reload_out_reg.
3605 (make_memloc): Delete local variable i, ifdefed out code, and
3606 references to memlocs and n_memlocs.
3607 (memlocs, n_memlocs): Delete.
3608 (push_secondary_reload): Clear reload_out_reg.
3609 (find_reloads_address_1): Provide memrefloc argument to all calls
3610 to find_reloads_address.
3611 In AUTO_INC code, handle non-directly addressable equivalences properly.
3612 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
3613 (find_reloads): Add return type.
3614 (remove_address_replacements, deallocate_reload_reg): Declare.
3615 * reload1.c (num_not_at_initial_offset): No longer static.
3616 (delete_address_reloads, delete_address_reloads_1): Likewise.
3617 (deallocate_reload_reg): New function.
3618 (spill_reg_stored_to): New array.
3619 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
3620 (eliminate_regs_in_insn): Move assignments of previous_offset and
3621 max_offset fields, and recalculation of num_not_at_initial_offset
3622 into new static function:
3623 (update_eliminable_offsets) .
3624 (reload_as_needed): Call update_eliminable_offsetss after calling
3626 Call forget_old_reloads_1 with contents of reloaded auto_inc
3627 expressions if the actual addressing can't be changed to match the
3629 (choose_reload_regs): For inheritance, replace
3630 reload_reg_free_before_p test with reload_reg_used_at_all test, and
3631 remove stand-alone reload_reg_used_at_all test.
3632 Use reload_out_reg to determine which reload regs have output reloads.
3633 Treat reload_override_in more similar to inherited reloads.
3634 Handle (subreg (reg... for inheritance.
3635 For flag_expensive_optimizations, add an extra pass to remove
3636 unnecessary reloads from known working inheritance.
3637 Delete obsolete code for pseudos replaced with MEMs.
3638 Handle inheritance from auto_inc expressions.
3639 (emit_reload_insns): If reload_in is a MEM, set OLD to
3641 Don't reload directly from oldequiv; if it's a pseudo with a
3642 stack slot, use reload_in[j].
3643 Check that reload_in_reg[j] is a MEM before replacing reload_in
3644 from reg_reloaded_contents.
3645 Include non-spill registers in reload inheritance processing.
3646 Also try to use reload_out_reg to set spill_reg_store /
3647 reg_last_reload_reg.
3648 In code to set new_spill_reg_store, use single_set to find out if
3649 there is a single set.
3650 Add code that allows to delete optional output reloads.
3651 Add code to allow deletion of output reloads that use no spill reg.
3652 At the end, set reload_override_in to oldequiv.
3653 Also call delete_output_reload if reload_out_reg is equal to old
3655 Add code to call delete_output_reload for stores with no matching load.
3656 Set / use spill_reg_stored_to.
3657 Handle case where secondary output reload uses a temporary, but
3658 actual store isn't found.
3659 When looking for a store of a value not loaded in order to call
3660 delete_output_reload, count_occurences should return 0 for no
3661 loads; but discount inherited input reloadill_reg_stored_to.
3662 Do checks for extra uses of REG. Changed all
3664 Use delete_address_reloads.
3665 (reload): Take return value of find_reloads into account.
3666 If a no-op set needs more than one reload, delete it.
3667 (reload_reg_free_before_p): RELOAD_FOR_INPUT
3668 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
3669 for the same operand.
3670 (clear_reload_reg_in_use): Check for other reloads that keep a
3672 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
3673 RELOAD_FOR_OPADDR_ADDR.
3674 Take into account when an address address reload is only needed
3675 for the address reload we are considering.
3676 (count_occurrences): Use rtx_equal_p for MEMs.
3677 (inc_for_reload): Return instruction that stores into RELOADREG.
3678 New argument two, IN, and rtx. Changed all callers.
3679 (calculate_needs_all_insns, reload_as_needed):
3680 Don't clear after_call for a CLOBBER.
3681 Keep track of how many hard registers need to be copied from
3682 after_call, and don't clear after_call before we have seen
3683 that much copies, or we see a different instruction.
3685 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
3687 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
3688 after reload has completed.
3690 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
3692 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
3693 a macro name and the next token with a single blank if that whitespace
3694 is in a macro buffer and the next token is not '('.
3696 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
3698 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
3700 (skip_if_group): Ditto.
3701 (skip_to_end_of_comment): Ditto.
3703 (discard_comments): Ditto.
3704 (change_newlines): Ditto.
3706 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
3708 * c-lex.c (yylex): Fix unaligned access of wchar_t.
3710 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
3712 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
3713 (TARGET_OPTIONS): Add --help documentation.
3715 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3717 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
3719 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
3721 * fixinc/* Moved in from ../contrib directory in preparation
3722 for integrating it into the normal build process. In particular,
3723 fixinc/Makefile.in must be config-ed into the build directory
3724 as fixinc/Makefile. Proposed patches to ./Makefile.in and
3725 ./configure.in will be "in the mail" momentarily.
3727 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
3729 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
3730 accidently walk into the free list. Comment how that can happen.
3731 (invalidate): Fix indentation.
3733 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3734 Jeffrey A Law (law@cygnus.com)
3736 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
3737 reload. Never perform rescans of the insn chain after reload.
3738 (propagate_block): Do not delete insn or create new autoinc addressing
3741 * jump.c (jump_optimize): Unconditionally use the code that was
3742 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
3743 * reload1.c (reload): When reloading is finished, delete all
3744 REG_DEAD and REG_UNUSED notes.
3745 (emit_reload_insns): Delete all code that was conditional on
3746 PRESERVE_DEATH_INFO_REGNO_P.
3747 (no_longer_dead_regs): Delete variable.
3748 (reload_cse_delete_death_notes): Delete function.
3749 (reload_cse_no_longer_dead): Delete function.
3750 (reload_cse_regs_1): Delete all code to handle deletion of death
3752 (reload_cse_noop_set_p): Likewise.
3753 (reload_cse_simplify_set): Likewise.
3754 (reload_cse_simplify_operands): Likewise.
3755 (reload_cse_move2add): Likewise.
3756 * reorg.c (used_spill_regs): Delete declaration.
3757 (max_label_num_after_reload): Delete declaration.
3758 (find_dead_or_set_registers): Don't assume that spill regs are
3759 dead at a CODE_LABEL.
3760 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
3762 * sched.c (sched_analyze_insn): Likewise.
3763 (update_flow_info): Likewise.
3764 * haifa-sched.c (sched_analyze_insn): Likewise.
3765 (update_flow_info): Likewise.
3766 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
3767 * toplev.c (max_label_num_after_reload): Delete variable.
3768 (rest_of_compilation): Don't set max_label_num_after_reload.
3769 Call life_analysis after reload_cse_regs if optimizing.
3770 * config/gmicro/gmicro.h: Delete comment referring to
3771 PRESERVE_DEATH_INFO_REGNO_P.
3772 * config/i386/i386.h: Likewise.
3773 * config/m88k/m88k.h: Likewise.
3774 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
3775 * config/sh/sh.h: Likewise.
3777 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
3779 * loop.c (strength_reduce): Restore marking bct_p as
3781 * rs6000.c (optimization_options): Change #ifdef HAIFA to
3782 HAVE_decrement_and_branch_on_count.
3783 (small_data_operand): Remove TARGET_ELF condition for marking
3784 parameters ATTRIBUTE_UNUSED.
3786 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
3788 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
3789 (SELECT_SECTION): Resync with svr4.h.
3791 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
3793 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
3796 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
3798 * c-pragma.c (handle_pragma_token): Test for null tree before
3799 dereferencing TREE_CODE.
3801 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3803 * config/c4x/c4x.c: Convert to use GEN_INT.
3804 (c4x_parallel_process): Rework to handle new repeat loop structure.
3806 * config/c4x/c4x.md: Convert to use GEN_INT.
3807 (rptb_end): Convert to use GE test. Replace uses with clobbers.
3808 (decrement_and_branch_on_count): Likewise.
3810 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
3811 loop.c has the desired functionality.
3812 (rc_reg_operand): New prototype.
3814 * config/c4x/t-c4x: Can now build all front ends.
3816 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
3818 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
3820 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
3822 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
3823 * config/t-rtems: Do not install assert.h -- use newlib's.
3825 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3827 * combine.c (combine_instructions): When finished, call init_recog.
3828 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
3830 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
3832 * toplev.c: If flag_syntax_only, don't open or write assembler file.
3834 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3836 * cppalloc.c (memory_full): Mark function prototype with
3839 * demangle.h (collect_exit): Likewise.
3841 * fix-header.c (v_fatal, fatal): Likewise.
3843 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
3846 * gcov.c (print_usage): Likewise.
3848 * genattr.c (fatal, fancy_abort): Likewise.
3850 * genattrtab.c (fatal, fancy_abort): Likewise.
3852 * gencodes.c (fatal, fancy_abort): Likewise.
3854 * genconfig.c (fatal, fancy_abort): Likewise.
3856 * genemit.c (fatal, fancy_abort): Likewise.
3858 * genextract.c (fatal, fancy_abort): Likewise.
3860 * genflags.c (fatal, fancy_abort): Likewise.
3862 * genopinit.c (fatal, fancy_abort): Likewise.
3864 * genoutput.c (fatal, fancy_abort): Likewise.
3866 * genpeep.c (fatal, fancy_abort): Likewise.
3868 * genrecog.c (fatal, fancy_abort): Likewise.
3870 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
3871 __sjpopnthrow, __throw): Likewise.
3873 * objc/objc-act.c (objc_fatal): Likewise.
3875 * protoize.c (usage, aux_info_corrupted,
3876 declare_source_confusing): Likewise.
3878 * rtl.c (dump_and_abort): Likewise.
3880 * rtl.h (sets_cc0_p): Likewise.
3882 * toplev.c (float_signal, pipe_closed): Likewise.
3884 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3886 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
3887 when generating the decision tree for the general case.
3889 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
3890 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
3892 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3894 * Makefile.in (sched.o): Depend on recog.h.
3896 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
3897 (unsigned) when comparing against one.
3898 (find_base_value): Likewise.
3899 (record_base_value): Cast variable `regno' to (unsigned) when
3900 comparing against one. Cast the result of REGNO() macro to
3901 (unsigned) when comparing against one.
3902 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
3904 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
3905 variable where an unsigned index is needed.
3907 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
3908 before comparing against one.
3910 * collect2.c: Add prototypes for functions `error', `fatal' and
3911 `fatal_perror'. Make these functions take variable arguments
3912 instead of faking it with a fixed number of args.
3913 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
3916 * combine.c (can_combine_p): Mark parameter `pred' with
3918 (find_split_point): Cast variable `src' to (unsigned
3919 HOST_WIDE_INT) when comparing against one.
3920 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
3921 (simplify_logical): Likewise.
3922 (force_to_mode): Cast result of INTVAL() macro to (unsigned
3923 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
3924 HOST_WIDE_INT) in shift.
3925 (simplify_and_const_int): Cast result of INTVAL() macro to
3926 `unsigned HOST_WIDE_INT' when comparing against one.
3927 (merge_outer_ops): Cast variable const0 to `unsigned
3928 HOST_WIDE_INT' when comparing against the result of
3929 GET_MODE_MASK() macro.
3930 (simplify_comparison): Likewise for variable `c0'. Cast variable
3931 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
3932 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
3933 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
3934 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
3935 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
3936 comparing against one.
3937 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
3939 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
3940 macro to `unsigned HOST_WIDE_INT' when comparing against one.
3941 (output_block_move): Cast `sizeof' expression to (int) when
3942 comparing against one.
3943 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
3945 (save_restore_insns): Cast `base_offset' to `long' to match format
3946 specifier in fprintf.
3948 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
3949 to `enum machine_mode'.
3951 * flow.c (life_analysis_1): Remove unused variable `insn'.
3953 * gcc.c (translate_options): Move variables `j' and `k' into the
3954 scope in which they are used. Change their types to `size_t'.
3955 (set_spec): Cast the argument of ctype macro to `unsigned char'.
3956 (read_specs): Likewise.
3957 (process_command): Cast `sizeof' to (int) when comparing against one.
3958 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
3959 (handle_braces): Cast both sides of `==' expression to `long' to
3960 ensure sign matching.
3961 (main): Cast variable `i' to `int' when comparing against one.
3963 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
3964 int to size_t. Cast variable `i' to size_t when comparing against
3967 * genattrtab.c (convert_set_attr_alternative): Remove unused
3968 parameter `insn_code'. All callers changed.
3969 (convert_set_attr): Likewise.
3971 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
3972 size_t when comparing against one. Likewise for variable `len'.
3974 * global.c (global_alloc): Cast variable `max_regno' to size_t
3975 when comparing against one. Likewise for variable `max_allocno'.
3977 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
3979 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
3980 `set' with ATTRIBUTE_UNUSED.
3981 (find_free_reg): Cast `sizeof' expression to (int) when comparing
3984 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
3985 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
3986 (get_condition): Cast variable `const_val' to `unsigned
3987 HOST_WIDE_INT' when comparing against one. Cast unsigned
3988 expression to HOST_WIDE_INT when comparing against one.
3989 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
3990 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
3991 `unsigned' when comparing against one.
3993 * protoize.c (is_id_char): Change type of parameter `ch' to
3995 (munge_compile_params): Cast argument of ctype macro to (const
3997 (process_aux_info_file): Cast variable `aux_info_size' to int when
3998 comparing against one.
3999 (forward_to_next_token_char): Cast argument of ctype macro to
4000 `const unsigned char'.
4001 (edit_formals_lists): Likewise.
4002 (find_rightmost_formals_list): Likewise.
4003 (add_local_decl): Likewise.
4004 (add_global_decls): Likewise.
4005 (edit_fn_definition): Likewise.
4006 (do_cleaning): Likewise.
4007 (scan_for_missed_items): Likewise.
4008 (edit_file): Cast variable `orig_size' to (int) when comparing
4010 (main): Cast argument of ctype macro to `const unsigned char'.
4012 * recog.c (const_int_operand): Mark parameter `mode' with
4015 * regclass.c (record_reg_classes): Change type of variable `c' to
4016 `unsigned char'. Cast `char' array index to `unsigned char'.
4018 * reload.c (push_secondary_reload): Cast argument to
4019 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
4021 * reload1.c (calculate_needs): Cast `char' array index to
4023 (set_label_offsets): Change type of variable `i' to unsigned int.
4024 Cast result of XVECLEN() macro to unsigned when comparing against
4026 (mark_not_eliminable): Change type of variable `i' to unsigned.
4027 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
4028 when comparing against one.
4029 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
4030 comparing against one.
4031 (choose_reload_regs): Hide unused label `fail'.
4032 (reload_cse_simplify_operands): Cast `char' array index to
4034 (reload_combine_note_store): Mark parameter `set' with
4035 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
4037 (reload_cse_move2add): Remove unused variable `src2'.
4039 * sched.c: Include recog.h.
4040 (sched_note_set): Remove unused parameter `b'. All callers
4042 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
4043 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
4044 when comparing against one.
4046 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
4047 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
4048 comparing against one.
4050 * unroll.c (precondition_loop_p): Remove unused parameter
4051 `loop_end'. All callers changed.
4053 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4055 * reload1.c (maybe_fix_stack_asms): New static function.
4058 * reload.h (compute_use_by_pseudos): Declare.
4060 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
4061 (something_needs_reloads): Delete variable.
4062 (finish_spills): New function.
4063 (compute_use_by_pseudos): New function.
4065 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
4066 Use the reload_insn_chain instead of walking the rtl directly.
4068 (reload): Allocate and free spilled_pseudos.
4069 Ensure that all calls of spill_hard_reg are followed by a call to
4071 Use the insns_need_reload list instead of something_needs_reloads
4072 to find out if reload_as_needed must be called.
4073 Clear unused_insn_chains at the end.
4075 (calculate_needs_all_insns): Lose FIRST parameter. All callers
4077 Delete code to keep track of current basic block.
4078 Walk reload_insn_chain instead of the rtl structure. Build the
4079 insns_need_reload chain.
4080 Remember which insns need reloading/elimination by setting the
4081 appropriate fields in struct insn_chain, not by putting modes on the
4084 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
4085 arg INSN. All callers changed.
4086 Delete declaration of struct needs.
4087 Don't set something_needs_reloads.
4088 Record insn needs in the CHAIN argument.
4090 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
4092 (reload_as_needed): Lose FIRST arg. All callers changed.
4093 Walk the reload_insn_chain instead of the rtx structure.
4094 Delete code to keep track of current basic block.
4095 Rename one of the NEXT variables to OLD_NEXT.
4097 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
4099 (choose_reload_regs): Likewise.
4101 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
4104 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
4105 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
4106 (hard_regs_live, hard_regs_need_restore): Delete variables.
4107 (n_regs_saved): Now static.
4108 (referenced_regs, this_insn_sets): New variables.
4110 (setup_save_areas): Restructure the code a bit.
4112 (restore_referenced_regs): Delete function.
4113 (mark_referenced_regs): New function, similar to the old
4114 restore_referenced_regs, but mark registers in referenced_regs.
4116 (clear_reg_live): Delete function.
4117 (mark_set_regs): Renamed from set_reg_live. All callers changed.
4118 Only mark registers in this_insn_sets.
4120 (save_call_clobbered_regs): Rework this function to walk the
4121 reload_insn_chain instead of using the list of instructions directly.
4122 Delete code to keep track of register lives, compute live regs on the
4123 fly from information in the chain.
4124 Instead of calling restore_referenced_regs, use mark_referenced_regs,
4125 then walk the set it computes and call insert_restore as appropriate.
4127 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
4129 Restructure the code a bit. Test hard_regs_saved instead of
4130 hard_regs_need_restore.
4131 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
4132 args. All callers changed.
4133 Restructure the code a bit. Use TO_SAVE to determine which regs to
4134 save instead of more complicated test.
4135 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
4137 Create a new insn_chain structure for the new insn and place it
4140 * rtl.texi: Update documentation to reflect that reload no longer
4141 puts modes on the insns.
4143 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4145 * function.c (purge_addressof_1): Force the first argument of a
4146 CALL insn to memory.
4148 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
4150 * rtl.h: Delete duplicate prototypes. Add some missing
4152 * rtlanal.c: (for_each_rtx): Formatting tweak.
4154 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4156 * real.c (emdnorm and etoasc): Disable round to even for c4x target
4157 to be compatible with TI compiler.
4159 * Makefile.in (USER_H): Add va-c4x.h to definition.
4161 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
4163 * function.c (purge_addressof_1): Fix typo in inequality: do
4164 bitfield optimization for equal mode sizes.
4165 * expmed.c (store_bit_field): Don't take subregs of subregs in
4166 the movstrict case. Tidy a potential problem in the multi-word case.
4167 (extract_bit_field): Likewise.
4169 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4171 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
4173 Compute max_uid_for_flow by calling get_max_uid after the scan.
4174 (find_basic_blocks_1): Don't emit NOPs here.
4176 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
4178 * alias.c (base_alias_check): Accept new args for the modes of the
4179 two references. Use them to determine if an AND can overlap. Update
4181 (memrefs_conflict_p): Assume sizes are aligned, and uses them
4182 to determine if an AND can overlap.
4184 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
4186 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
4187 check. Add comment to document problems with TARGET_SUN_FPA version
4189 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
4191 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4193 * Makefile.in (gencheck.o): Depend on gansidecl.h.
4195 * c-common.c (print_char_table): Add missing initializers.
4196 (scan_char_table): Likewise.
4197 (time_char_table): Likewise.
4199 * c-decl.c (c_decode_option): Mark parameter `argc' with
4201 (declare_parm_level): Mark parameter `definition_flag' with
4204 * c-lex.c (readescape): Use `(unsigned)1' in shift.
4205 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
4208 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
4210 (emit_call_1): Mark parameters `fndecl' and `funtype' with
4212 (expand_call): Cast result of MIN() to (unsigned int) when
4213 comparing against an unsigned value.
4215 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
4217 (make_definition): Remove unused parameter `op'. All callers
4219 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
4220 comparing against the result of pointer arithmetic.
4222 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
4223 when comparing against one.
4225 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
4226 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
4228 (output_die): Move variable `i' into the scope in which it is
4229 used. Change its type to `unsigned'.
4230 (output_die): Cast the result of `strlen' to (int) when passing it
4231 to ASM_OUTPUT_ASCII().
4232 (output_pubnames): Likewise.
4233 (output_line_info): Likewise.
4235 * emit-rtl.c (global_rtl): Add missing initializers.
4237 * explow.c (promote_mode): Mark parameter `for_call' with
4240 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
4241 `unsigned HOST_WIDE_INT' when comparing against one.
4242 (synth_mult): Change type of variable `cost' to int.
4243 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
4245 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
4246 when comparing against one.
4247 (get_inner_reference): Change variable `alignment' to unsigned.
4248 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
4249 int) when comparing against one.
4250 (expand_builtin_setjmp): Change type of variable `i' to size_t.
4252 * fold-const.c (div_and_round_double): Cast BASE to
4253 (HOST_WIDE_INT) when comparing against one.
4255 * gencheck.c: Include gansidecl.h.
4256 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
4258 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
4259 `tcode' with ATTRIBUTE_UNUSED.
4261 * real.c (edivm): Cast constant value to (unsigned long) in
4262 expression compared against an unsigned value.
4264 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
4265 comparing against one.
4266 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
4267 when comparing against one.
4269 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
4270 (unsigned int) when comparing against one. Likewise for
4272 (smallest_mode_for_size): Likewise.
4273 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
4274 (restore_storage_status): Likewise.
4276 * toplev.c (debug_args): Add missing initializer.
4277 (f_options): Spelling correction. Add missing initializers.
4278 (documented_lang_options): Likewise.
4279 (debug_end_source_file): Mark parameter `lineno' with
4282 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
4283 `decl' and `type' with ATTRIBUTE_UNUSED.
4285 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
4286 when comparing against one.
4287 (assemble_variable): Mark parameter `top_level' with
4289 (assemble_external_libcall): Mark parameter `fun' with
4291 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
4294 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
4296 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
4297 Replace use of r5 with use of r19.
4299 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
4301 * config/v850/v850.c (compute_register_save_size): Allow for the
4302 fact that helper functions save all registers, not just those used
4305 Replace constant 31 with macro LINK_POINTER_REGNUM.
4307 * config/v850/v850.md: Use 'indirect_operand' rather than
4308 'memory_operand' for bit test/set/clear patterns.
4310 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
4312 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
4313 * varasm.c (assemble_start_function et al): Don't call
4314 ASM_GLOBALIZE_LABEL for weak symbols.
4316 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
4318 * cse.c (equiv_constant): Check for NULL return from
4319 gen_lowpart_if_possible().
4321 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
4323 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
4325 * collect2.c (main): Pass -EL/-EB through to the compiler.
4327 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4329 * expr.c (push_block): Handle targets where the stack grows
4330 to higher addresses, but args grow to lower addresses and
4331 ACCUMULATE_OUTGOING_ARGS is not defined.
4333 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
4335 * config/v850/v850.c (print_operand): Extend meaning
4336 of 'c' operands to support .vtinherit.
4338 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4340 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
4341 Added ATTRIBUTE_UNUSED to unused function arguments.
4342 (rc_reg_operand): New predicate.
4343 (c4x_rptb_insert): New function.
4344 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
4345 (c4x_optimization_options): New function.
4347 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
4348 (decrement_and_branch_on_count): New pattern.
4349 (rptb_top): Modified pattern to work with BCT optimization.
4351 * config/c4x/c4x.h (RC_REG): New register class.
4352 (rc_reg_operand): Define prototype.
4353 (IS_RC_REG): New macro.
4354 (IS_RC_OR_PSEUDO_REG): New macro.
4355 (IS_RC_OR_PSEUDO_REGNO): New macro.
4356 (OPTIMIZATION_OPTIONS): Define.
4358 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
4360 * collect2.c (extract_init_priority): No priority is 65535.
4362 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4364 * Makefile.in (build_tooldir): new variable, same as old
4365 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
4366 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
4367 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
4369 * configure.in (gxx_include_dir): set default based on unlibsubdir
4370 * Makefile.in (tooldir): ditto
4371 (cccp.o, cpplib.o): use unlibsubdir implicitly through
4372 gxx_include_dir, includedir and tooldir
4373 (protoize.o, unprotoize.o): ditto
4375 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
4377 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
4379 * config/arm/thumb.c (thumb_override_options): Add warning about
4380 PIC code not being supported just yet.
4382 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
4384 * flow.c: Update comment.
4385 (notice_stack_pointer_modification): New static function.
4386 (record_volatile_insns): Use it.
4387 (mark_regs_live_at_end): Mark the stack pointer as alive
4388 at the end of the function if current_function_sp_is_unchanging
4390 (life_analysis_1): Set current_function_sp_is_unchanging.
4391 * function.c: Define it.
4392 (init_function_start): Initialize it.
4393 * output.h: Declare it.
4394 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
4395 the stack pointer as alive at the end of the function if
4396 current_function_sp_is_unchanging is set.
4397 * i386.c (ix86_epilogue): Optimize the restoring
4398 of the stack pointer.
4400 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
4402 * version.c: Bump for snapshot.
4404 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
4406 * c-pragma.c (handle_pragma_token): If passed a token instead
4407 of a tree, use that as the pack value.
4409 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
4411 * flow.c (find_basic_blocks_1): Fix prototype.
4413 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
4415 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
4416 (struct tree_decl): New fields no_check_memory_usage.
4417 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
4418 (init_attributes): Register it as a new attribute.
4419 (decl_attributes): Set flags on functions given that attribute.
4420 * c-decl.c (duplicate_decls): Merge new attribute.
4421 * expr.h (current_function_check_memory_usage): Declare new var.
4422 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
4423 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
4424 current_function_check_memory_usage.
4425 * function.h: Add field to struct function.
4426 * function.c (current_function_check_memory_usage): Define it.
4427 (push_function_context_to, pop_function_context_from): Save and
4429 (expand_function_start): Set it, based on global flag and function
4432 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4433 check non-automatic variables, to permit detection of writes to
4434 read-only locations in embedded systems without memory management.
4435 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4436 when emitting chkr_set_right_libfunc call, even if the argument is
4437 BLKmode or variable-sized; don't abort.
4439 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
4440 symbols in Pmode, not VOIDmode.
4442 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4444 * cppexp.c: When forcing unsigned comparisons, cast both sides
4447 * cpphash.h: Move static declaration of hashtab[]...
4448 * cpphash.c: ...here.
4450 * cpplib.c: Cast difference of two pointers to size_t before
4451 comparing it to size_t. Cast signed to unsigned
4452 before comparing to size_t. (FIXME: struct argdata should use
4453 unsigned buffer sizes.)
4454 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
4455 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
4456 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
4457 size_t before comparison.
4459 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
4461 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
4462 (find_basic_blocks_1): Similarly.
4463 * output.h (find_basic_blocks): Fix prototype.
4464 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
4465 find_basic_blocks anymore.
4467 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
4469 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
4470 (sbitmap_free, sbitmap_vector_free): New macros.
4471 * output.h (rtl_dump_file): Declare.
4473 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
4475 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
4477 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4479 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
4481 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
4482 (divide): Remove unused variable `tmp'.
4483 (si_to_float): Cast numeric constant to (SItype) before comparing
4486 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
4488 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
4489 * gcc.c (add_preprocessor_option): Correct typo when allocating
4490 memory, sizeof() argument had one too many `*'.
4491 (add_assembler_option): Likewise.
4492 (add_linker_option): Likewise.
4493 * gcov.c (output_data): Likewise.
4494 * local-alloc.c (memref_used_between_p): Likewise.
4495 (update_equiv_regs): Likewise.
4496 * loop.c (strength_reduce): Likewise.
4497 * reg-stack.c (record_asm_reg_life): Likewise.
4498 (subst_asm_stack_reg): Likewise.
4499 * reorg.c (dbr_schedule): Likewise.
4501 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4503 * flow.c (life_analysis_1): Break out some functions.
4504 (find_basic_blocks_1): Likewise. Also move some variables out and
4506 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
4507 new static var nonlocal_label_list with it.
4508 (active_eh_region, nested_eh_region, label_value_list,
4509 nonlocal_label_list): New static variables.
4510 (make_edges, delete_unreachable_blocks, delete_block): New static
4511 functions, broken out of find_basic_blocks_1.
4512 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
4513 noop_move_p): New static functions, broken out of life_analysis_1.
4515 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
4517 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
4518 Take extra care for op0 now possibly being a subreg.
4519 (extract_bit_field): Likewise.
4520 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
4521 the reg to memory if there is no equal sized integral mode.
4522 * stor-layout.c (int_mode_for_mode): New function.
4523 * machmode.h: Prototype it.
4525 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
4527 * global.c (build_insn_chain): Verify no real insns exist past the
4528 end of the last basic block, then exit the loop.
4530 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4532 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
4534 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
4536 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
4538 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
4540 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
4542 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
4544 * flow.c (find_basic_blocks): Correctly determine when a call
4545 is within an exception region.
4547 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
4549 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
4551 * cpplib.h: Protect from multiple inclusions.
4552 * cpplib.c: Fix minor formatting problems.
4554 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
4556 * jump.c (jump_optimize): Revert accidental patch.
4558 * Makefile.in (cpplib.o): Use unlibsubdir.
4560 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
4562 * loop.c (get_condition): Allow combine when either compare is
4565 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
4567 * version.c: Bump for snapshot.
4569 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
4571 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
4572 (init_lex): Initialize ridpointers[RID_BYREF].
4573 * c-lex.h (enum rid): Add RID_BYREF.
4574 * c-parse.gperf: Add RID_BYREF as a type qualifier.
4575 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
4576 (encode_type_qualifiers): Similarly
4577 * c-gperf.h: Rebuilt.
4579 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
4581 * c-common.c (type_for_mode): Only return TItype nodes when
4582 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4583 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
4584 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4585 (init_decl_processing): Only create TItype nodes when
4586 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4587 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
4588 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4590 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4592 * stmt.c (n_occurrences): New static function.
4593 (expand_asm_operands): Verify that all constrains match in the
4594 number of alternatives.
4595 Verify that '+' or '=' are at the beginning of an output constraint.
4596 Don't allow '&' for input operands.
4597 Verify that '%' isn't written for the last operand.
4598 * reload.c (find_reloads): Abort if an asm is found with invalid
4599 constraints; all possible problems ought to be checked for earlier.
4601 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4603 * flags.h (flag_branch_on_count_reg): Always declare
4604 * toplev.c (flag_branch_on_count_reg): Likewise.
4605 * toplev.c: Fix typos.
4607 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
4610 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
4612 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
4614 (find_basic_blocks_1): Add a nop to the end of a basic block when
4615 a trailing call insn does not have abnormal control flow.
4616 * gcse.c (pre_transpout): New variable.
4617 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
4618 (compute_pre_transpout): Calculate it.
4619 (compute_pre_ppinout): Use it to eliminate impossible placements
4620 due to abnormal control flow through calls.
4621 (compute_pre_data): Call compute_pre_transpout.
4623 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4625 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
4627 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
4629 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
4630 and matching define_insns): Tack on a `use' of the table label, so
4631 flow analysis will recognize a tablejump.
4633 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
4635 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
4636 always end basic blocks for abnormal edge reasons.
4638 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
4640 * config/i386/i386.h: Remove definition of
4641 HANDLE_PRAGMA_PACK_PUSH_POP.
4643 * config/i386/go32.h: Add definition of
4644 HANDLE_PRAGMA_PACK_PUSH_POP.
4646 * config/i386/win32.h: Add definition of
4647 HANDLE_PRAGMA_PACK_PUSH_POP.
4649 * config/i386/cygwin32.h: Add definition of
4650 HANDLE_PRAGMA_PACK_PUSH_POP.
4652 * c-pragma.c (insert_pack_attributes): Do not insert
4653 attributes unless #pragma pack(push,<n>) is in effect.
4655 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
4657 * expr.c (emit_group_store): Handle a PARALLEL destination.
4659 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
4661 * gcse.c (pre_insert_insn): When a call ends a bb, insert
4662 the new insns before the argument regs are loaded.
4664 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4666 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
4667 (c-parse.gperf): Update comments describing invocation flags.
4668 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
4670 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
4672 * reload1.c (reload): Call free before clobbering the memory
4673 locations or constants pointers.
4675 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4677 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
4678 for efficiency by checking whether we need to modify the current
4679 stack permission at all.
4680 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
4681 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
4682 __enable_execute_stack libcall here too if
4683 TRANSFER_FROM_TRAMPOLINE is defined.
4684 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
4687 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
4689 * Makefile.in (DRIVER_DEFINES): Remove last change.
4691 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4693 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
4694 insns we're going to copy.
4695 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
4697 * loop.c (count_one_set): Add prototype.
4699 * caller-save.c (restore_referenced_regs): Lose mode argument.
4700 (insert_save): Lose mode argument.
4701 (insert_restore): Lose mode argument.
4702 (insert_one_insn): Lose mode argument.
4703 (save_call_clobbered_regs): Lose mode argument.
4704 (setup_save_areas): Take no argument and return void. All callers
4706 Don't verify validity of memory addresses.
4707 * reload.h (setup_save_ares): Adjust prototype.
4708 (save_call_clobbered_regs): Likewise.
4709 * reload1.c (delete_caller_save_insns): New function.
4710 (caller_save_spill_class): Delete variable.
4711 (caller_save_group_size): Delete variable.
4712 (reload): Call setup_save_areas and save_call_clobbered_regs
4713 in the main loop, before calling calculate_needs_all_insns.
4714 Don't call save_call_clobbered_regs after the loop.
4715 Call delete_caller_save_insns at the end of an iteration if
4717 Delete code to manage caller_save_spill_class.
4718 Emit the final note before setting reload_first_uid.
4719 Simplify test that determines whether reload_as_needed gets run.
4720 (calculate_needs): Delete code to manage caller_save_spill_class.
4722 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
4724 * collect2.c (main): Initialize ld_file_name.
4726 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
4728 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
4729 check for flag_function_sections.
4731 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4733 * cse.c (insert_regs): Fix bug in Sep 24 change.
4735 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4737 * flags.h (flag_dump_unnumbered): Declare.
4738 * toplev.c (flag_dump_unnumbered): Don't declare.
4739 * print-rtl.c (flags.h): Include.
4740 (print_rtl_single): Add return value.
4741 * rtl.h (print_rtl_single): Update declaration.
4742 * flow.c (flag_dump_unnumbered): Don't declare.
4743 (print_rtl_with_bb): Use return value of print_rtl_single.
4745 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4747 * loop.c (count_one_set): New static function, broken out of
4749 (count_loop_regs_set): Call it.
4750 * global.c (mark_reg_store): Handle clobbers here by not calling
4752 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
4753 is in fact a clobber.
4754 * integrate.c (process_reg_param): New function, broken out of
4755 expand_inline_function.
4756 (expand_inline_function): Call it.
4759 * i386.md (addsidi3_1): Delete unused variable temp.
4760 (addsidi3_2): Likewise.
4761 (clstrstrsi): Delete unused variable addr1.
4763 * rtl.h: Don't declare any functions also declared in recog.h.
4765 * Makefile.in (stupid.o): Update dependencies.
4766 (global.o): Likewise.
4768 * global.c: Include reload.h
4769 (reg_becomes_live): New function.
4770 (reg_dies): New function.
4771 (build_insn_chain): New function.
4772 (global_alloc): Call build_insn_chain before calling reload.
4774 * reload.h (struct needs): New structure definition.
4775 (struct insn_chain): Likewise.
4776 (reload_insn_chain): Declare variable.
4777 (new_insn_chain): Declare function.
4780 * reload1.c (reload_startobj): New variable.
4781 (reload_insn_chain): New variable.
4782 (unused_insn_chains): New variable.
4783 (new_insn_chain): New function.
4784 (init_reload): Initialize reload_startobj, not reload_firstobj.
4785 (reload): Initialize reload_firstobj.
4786 Before returning, free everything on the reload_obstack.
4788 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
4789 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
4790 current_chain): New variables.
4791 (reg_where_born): Delete variable.
4792 (REG_WHERE_BORN): New macro.
4793 (find_clobbered_regs): New function.
4794 (stupid_life_analysis): Don't allocate/free reg_where_born.
4795 Allocate and free reg_where_born_exact, reg_where_born_clobber,
4796 reg_where_dead_chain.
4797 Use REG_WHERE_BORN instead of reg_where_born.
4798 While processing the insns, build the reload_insn_chain with
4799 information about register lifetimes.
4800 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
4801 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
4803 Compute and information about birth and death of pseudo registers in
4804 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
4805 Delete code to set elements of reg_where_born.
4807 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4809 * tree.def (GOTO_EXPR): Modified documentation.
4810 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
4813 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
4815 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
4816 loop_final_value, loop_comparison_code): No longer static.
4817 (unroll_loop): Delete loop_start_value update.
4818 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
4819 loop_final_value, loop_comparison_code): Extern.
4820 (loop_start_value): Delete extern.
4821 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
4822 loop_comparison_value, loop_comparison_code): Delete.
4823 (loop_optimize): Remove initialization for deleted variables.
4824 (strength_reduce): Delete analyze_loop_iterations call. Only call
4825 insert_bct if flag_branch_count_on_reg set.
4826 (analyze_loop_iterations): Delete.
4827 (insert_bct): Remove iteration count calculation. Move checks for
4828 viable BCT optimization to here. Obtain iteration count from
4829 loop_iterations and correct for unrolling. Check for enough
4830 iteration to be beneficial. Comment out runtime iteration count
4832 (insert_bct): Print iteration count in dump file. Remove
4833 loop_var_mode and use word_mode directly.
4835 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
4836 * rs6000.c (rs6000_override_options): Use it.
4837 (optimization_options): Enable use of flag_branch_on_count_reg.
4838 * rs6000.md (define_function_unit): Describe 604e.
4840 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4842 * loop.c (move_movables): Corrected threshold calculation for
4843 moved_once registers.
4845 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4847 * loop.c (combine_givs_p): Fix test for identical givs.
4849 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
4851 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
4852 call abort if the function is already defined.
4854 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
4856 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
4857 truncation is not a no-op.
4859 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
4861 * version.c: Bump for snapshot.
4863 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
4865 * version.c: Bump for snapshot.
4867 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
4869 * expmed.c (expand_divmod): Don't widen for computing remainder
4870 if we seem to have a divmod pattern for needed mode.
4872 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4874 * cpplib.c (macroexpand): Correct off-by-one error in handling
4877 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
4879 * combine.c (expand_field_assignment): Don't do bitwise operations
4880 on MODE_FLOAT; pun to MODE_INT if possible.
4882 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
4883 scott snyder <snyder@d0sgif.fnal.gov>
4885 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
4886 linker. Recognize mangled names in quotes.
4888 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4890 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
4891 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
4892 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
4893 (lshrsi3_extend, lshrsi3_extend2): Ditto.
4895 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4897 * function.c (purge_addressof_1): If trying to take a sub-word
4898 integral piece of a floating point mode, put it on the stack.
4900 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
4902 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
4904 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
4906 * PROJECTS: Remove template friends.
4908 * collect2.c (sort_ids): Remove unused variable.
4910 * tm.texi (MATH_LIBRARY): Document.
4911 (NEED_MATH_LIBRARY): Remove.
4913 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
4914 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
4916 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
4918 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
4919 last_end to 0x7fffffff.
4921 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4923 * function.c (purge_addressof_1): Do not perform endianness
4924 corrections on bitpos, who we call will do it for us.
4926 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
4928 * h8300.c (WORD_REG_USED): Fix typo.
4929 (initial_offset): Use WORD_REG_USED.
4931 * h8300.c (handle_pragma): Fix typo.
4933 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4935 * caller-save.c (insert_save_restore): Break this function up
4936 into new functions insert_restore, insert_save and insert_one_insn.
4937 All callers changed.
4938 (insert_restore): New function, mostly broken out of
4939 insert_save_restore.
4940 (insert_save): Likewise.
4941 (insert_one_insn): Likewise.
4942 (restore_referenced_regs): New argument BLOCK. All callers changed.
4943 (save_call_clobbered_regs): Don't keep track of basic block boundaries
4944 in this function, do it in insert_one_insn instead.
4946 * reload1.c (reload): Break out some more pieces into separate
4948 (dump_needs): New function, broken out of reload.
4949 (set_initial_elim_offsets): Likewise.
4950 (init_elim_table): Likewise.
4951 (update_eliminables): Likewise.
4953 * global.c (global_alloc): Delete code to manage the scratch_list.
4954 * local-alloc.c (qty_scratch_rtx): Delete.
4955 (scratch_block): Delete.
4956 (scratch_list): Delete.
4957 (scratch_list_length): Delete.
4958 (scratch_index): Delete.
4959 (alloc_qty_for_scratch): Delete.
4960 (local-alloc): Update initialization of max_qty.
4961 Delete code to manage the scratch list.
4962 Delete code to allocate/initialize qty_scratch_rtx.
4963 (block_alloc): Don't allocate quantities for scratches.
4964 Delete code to manage the scratch list.
4965 * regs.h (scratch_list): Delete declaration.
4966 (scratch_block): Delete declaration.
4967 (scratch_list_length): Delete declaration.
4968 * reload1.c (reload): Delete code to manage the scratch list.
4969 (spill_hard_reg): Likewise.
4970 (mark_scratch_live): Delete.
4972 * recog.c (alter_subreg): Delete declaration.
4974 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
4976 * Makefile.in (cccp.o): Fix typo in last patch.
4978 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4980 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
4981 * config/sh/lib1funcs.asm (___set_fpscr): Add.
4983 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
4985 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
4986 NULL_RTX as an argument.
4988 * Makefile.in (unlibsubdir): Define.
4989 (DRIVER_DEFINES): Use unlibsubdir.
4990 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
4991 (stmp-fixinc): Similarly.
4993 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4995 * regmove.c (regmove_optimize): Add variable old_max_uid.
4996 At the end of the function, update basic_block_end.
4998 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5000 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
5001 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
5004 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
5006 * config/arm/arm.c: Improve interworking support.
5008 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5010 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
5011 copied from reload_out[r] .
5013 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
5015 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
5016 with more than three size ranges.
5018 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
5020 * rtl.c (mode_name): Add a null string at the end of the array.
5021 (mode_wider_mode): Change type to unsigned char.
5022 (mode_mask_array): New variable.
5023 (init_rtl): Update for mode_wider_mode type change.
5025 * rtl.h (mode_wider_mode): Change type to unsigned char.
5026 (mode_mask_array): Declare.
5027 (GET_MODE_MASK): Use mode_mask_array.
5029 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
5031 * calls.c (expand_call) : Encapsulate code into
5032 copy_blkmode_from_reg.
5033 * expr.c (copy_blkmode_from_reg): New function.
5034 * expr.h (copy_blkmode_from_reg): New function.
5035 * integrate.c (function_cannot_inline_p): We can inline
5037 (expand_inline_function): Use copy_blkmode_from_reg
5038 if needed. Avoid creating BLKmode REGs.
5039 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
5042 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
5044 * config/v850/v850.c: Add function prototypes.
5045 Add support for v850 special data areas.
5047 * config/v850/v850.h: Add support for v850 special data areas.
5049 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
5050 HANDLE_PRAGMA_PACK_PUSH_POP.
5051 (push_alignment): New function: Cache an alignment requested
5052 by a #pragma pack(push,<n>).
5053 (pop_alignment): New function: Pop an alignment from the
5055 (insert_pack_attributes): New function: Generate __packed__
5056 and __aligned__ attributes for new decls whilst a #pragma pack
5058 (add_weak): New function: Cache a #pragma weak directive.
5059 (handle_pragma_token): Document calling conventions. Add
5060 support for #pragma pack(push,<n>) and #pragma pack (pop).
5062 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
5063 are defined enable HANDLE_PRAGMA_PACK.
5064 Move 'struct weak_syms' here (from varasm.c).
5065 Add pragma states for push and pop pragmas.
5067 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
5070 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
5071 HANDLE_GENERIC_PRAGMAS.
5073 * varasm.c: Move definition of 'struct weak_syms' into
5075 (handle_pragma_weak): Deleted.
5077 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5079 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5081 * c-decl.c (start_function): Add invocation of
5082 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
5084 * tm.texi: Remove description of non-existant macro
5085 SET_DEFAULT_SECTION_NAME.
5087 (HANDLE_SYSV_PRAGMA): Document.
5088 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
5090 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
5092 * config.sub: Recognize i[34567]86-pc-udk as new target.
5093 * configure.in: Likewise.
5094 * config/i386/t-udk: New file.
5095 * config/i386/udk.h: New file.
5097 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
5099 * reorg.c (check_annul_list_true_false): Remove unused variables.
5100 (steal_delay_list_from_target): Add missing "used_annul" variable.
5101 (try_merge_delay_insns): Close out half formed comment.
5103 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5105 * cpplib.c (macroexpand): If arg->raw_before or
5106 arg->raw_after, remove any no-reexpansion escape at the
5107 beginning of the pasted token. Correct handling of whitespace
5108 markers and no-reexpand markers at the end if arg->raw_after.
5110 * toplev.c (documented_lang_options): Recognize -include,
5111 -imacros, -iwithprefix, -iwithprefixbefore.
5112 * cpplib.c (cpp_start_read): Process -imacros and -include
5113 switches at the same time and in command-line order, after
5114 initializing the dependency-output code. Emit properly nested
5115 #line directives for them. Emit a #line for the main file
5116 before processing these switches, and don't do it again
5119 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
5121 * function.c (purge_addressof_1): Use bitfield manipulation
5122 routines to handle mem mode < reg mode.
5124 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5126 * reorg.c (try_merge_delay_insns): Account for resources referenced
5127 in each instruction in INSN's delay list before trying to eliminate
5128 useless instructions. Similarly when looking at a trial insn's delay
5131 * reorg.c (check_annul_list_true_false): New function.
5132 (steal_delay_list_from_{target,fallthrough}): Call it and also
5133 refine tests for when we may annul if already filled a slot.
5134 (fill_slots_from_thread): Likewise.
5135 (delete_from_delay_slot): Return newly-created thread.
5136 (try_merge_delay_isns): Use its new return value.
5138 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
5140 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
5141 used to compute a giv or as some other non-counting use.
5143 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5145 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
5146 * local-alloc.c (find_free_reg): Use it.
5147 * global.c (find_reg): Likewise.
5148 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
5150 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
5151 * caller-save.c (init_caller_save): Use it.
5152 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
5154 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5156 * configure.in: Add --enable-cpplib option which uses cpplib
5157 for cpp, but doesn't link cpplib into cc1. Make help text
5158 capitalization consistent.
5159 * configure: Rebuilt.
5161 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
5163 * function.c (gen_mem_addressof): If the address REG is
5164 REG_USERVAR_P make the new REG be so also.
5165 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
5166 in an attempt to clarify slightly.
5168 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
5170 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
5171 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
5173 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
5175 * toplev.c: Fix last patch.
5177 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
5179 * loop.c (get_condition): Fix typo in May 9 change.
5181 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5183 * invoke.texi (-fexceptions): Merge 2 different descriptions.
5185 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5187 * toplev.c (documented_lang_options): Spelling corrections.
5189 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5191 * configure.in: new flags --with-ld and --with-as, equivalent
5192 to setting LD and AS environment variables. Test whether
5193 specified arguments are GNU commands, and report them with
5194 checking messages. Use the specified AS for configure
5197 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
5199 * gcc.c (find_a_file): when looking for `as' and `ld', return
5200 the DEFAULT program if it exists
5201 * collect2.c (main): use DEFAULT_LINKER if it exists
5203 * gcc.c (find_a_file): the test for existence of a full
5204 pathname was reversed
5206 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
5208 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
5209 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
5211 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
5213 * tree.h (TYPE_BINFO): Document.
5215 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
5217 * i386-coff.h (dbxcoff.h): Added.
5219 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
5221 * toplev.c: fix bad patch around flag_data_sections.
5223 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
5225 * reload1.c (reload): Use reload_address_index_reg_class and
5226 reload_address_base_reg_class when setting
5227 caller_save_spill_class. (Patch generated by Jim Wilson:
5230 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
5232 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
5233 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
5234 * expr.c (store_field): Add alias_set parameter. Set the
5235 MEM_ALIAS_SET accordingly, if the target is a MEM.
5236 (expand_assignment): Use it.
5237 (store_constructor_field): Pass 0.
5238 (expand_expr): Likewise.
5240 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
5242 * flags.h: Add flag_data_sections.
5243 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
5244 (compile_file): Error if flag_data_sections not supported.
5245 * varasm.c (assemble_variable): Handle flag_data_sections.
5246 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
5247 * config/mips/elf.h: Likewise.
5248 * config/mips/elf64.h: Likewise.
5249 * invoke.texi: Describe -fdata-sections.
5251 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
5253 * invoke.texi (-ffloat-store): Clarify that this option
5254 does not affect intermediate results -- only variables.
5256 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
5258 * cpp.texi: Update for Fortran usage from Craig.
5260 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5262 * rs6000.c (function_arg_boundary): Revert accidental change on
5265 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
5267 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
5268 (output_mi_thunk): Declare.
5270 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
5271 (output_function_profiler): Use r12 for temp, instead of r11 so
5272 that we preserve the static chain register.
5274 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
5276 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
5278 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5280 * sh.c (gen_shl_sext): Fix case 5.
5282 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5284 * reload1.c (reload_combine): Re-add line that got accidentally lost.
5286 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5288 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
5289 accessing variables until they are initialized via va_arg().
5291 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5293 * reload1.c (reload_combine): Initialize set before using.
5295 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
5297 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
5300 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
5302 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
5303 operand3 with mask before using it. Patch provided by Jim Wilson.
5305 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5307 * config/sparc/sparc.c (function_value): Perform the equivalent of
5308 PROMOTE_MODE for ARCH64.
5309 (eligible_for_epilogue_delay): Allow DImode operations in delay
5310 slot of a return for ARCH64.
5312 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5314 * sh.md (sqrtsf2): Fix mode of sqrt.
5316 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5318 * reload1.c (choose_reload_regs): Also try inheritance when
5319 reload_in is a stack slot of a pseudo, even if we already got a
5322 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5324 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
5325 (reload_cse_regs): New function body: call reload_cse_regs_1,
5326 reload_combine, reload_cse_move2add.
5327 When doing expensive_optimizations, call reload_cse_regs_1 a
5328 second time after reload_cse_move2add.
5329 (reload_combine, reload_combine_note_store): New functions.
5330 (reload_combine_note_use): New function.
5331 (reload_cse_move2add, move2add_note_store): New functions.
5333 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5335 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
5336 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
5338 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
5339 more than 3 such reloads.
5341 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
5342 RELOAD_FOR_X_ADDR_ADDR reload.
5344 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5346 * expr.c (store_constructor): When initializing a field that is smaller
5347 than a word, at the start of a word, try to widen it to a full word.
5349 * cse.c (cse_insn): When we are about to change a register,
5350 remove any invalid references to it.
5352 (remove_invalid_subreg_refs): New function.
5353 (mention_regs): Special treatment for SUBREGs.
5354 (insert_regs): Don't strip SUBREG for call to mention_regs.
5355 Check if reg_tick needs to be bumped up before that call.
5356 (lookup_as_function): Try to match known word_mode constants when
5357 looking for a norrower constant.
5358 (canon_hash): Special treatment for SUBREGs.
5360 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5362 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
5363 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
5364 defined, emit libcall to __enable_execute_stack. Also fix opcodes
5365 and offsets in actual stack trampoline code so they match the
5366 commentary and actually work.
5368 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5370 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
5372 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
5373 tmake_file. Set extra_parts to needed crt objects.
5374 * configure: Rebuilt.
5375 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
5376 (TARGET_DEFAULT): Set if default is v9 or ultra.
5377 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
5378 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
5379 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
5380 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
5381 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
5382 (TARGET_VERSION): Define.
5383 (MULTILIB_DEFAULT): Define.
5384 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
5385 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
5386 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
5388 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
5389 * config/sparc/sparc.c (sparc_override_options): If arch and
5390 pointer size disagree, emit diagnostic and fix it up. If
5391 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
5392 V8PLUS in 64-bit mode.
5393 * config/sparc/t-linux64: New file.
5394 * config/sparc/t-sol2-64: New file.
5395 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
5396 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
5397 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
5398 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
5399 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
5400 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
5402 (STARTFILE_SPEC): Set approriately based upon those.
5403 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
5404 disposition of DEFAULT_ARCH32_P.
5405 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
5406 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
5407 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
5408 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
5409 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
5411 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
5413 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
5415 * rtl.h (init_virtual_regs): New function.
5416 * emit-rtl.c (init_virtual_regs): Define.
5417 (insn_emit): Use it.
5418 * integrate.c (save_for_inline_copying): Likewise.
5420 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
5422 * config/arm/thumb.h: The following patches were made by Jim Wilson:
5423 (enum reg_class): Add NONARG_LO_REGS support.
5424 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5425 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
5426 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
5427 completes. Re-enable HImode REG+OFFSET addresses.
5428 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5430 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5432 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5434 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5435 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5436 (alpha_align_insns): Properly calculate initial offset wrt max_align.
5438 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
5440 * arm.c (find_barrier): Revert change of Apr 23. Handle table
5441 jumps as a single entity, taking into account the size of the
5444 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5446 * tree.def (SWITCH_EXPR): New tree node definition.
5448 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
5450 * version.c: Bump for snapshot.
5452 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
5454 * version.c: Bump for snapshot.
5456 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
5458 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
5461 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
5463 * Revert this patch.
5464 * reload.c (find_reloads): Do not replace a pseudo with
5465 (MEM (reg_equiv_addr)) in the initializing insn for the
5468 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
5470 * final.c (final_scan_insn): Disable tracking CC across branches.
5472 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5474 * expr.h (eh_rtime_match_libfunc): New extern declaration.
5475 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
5476 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
5477 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
5478 NULL. Only include <stdio.h> if inhibit_libc is not defined.
5480 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
5482 * toplev.c (rest_of_compilation): Skip compiling anything with
5483 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
5485 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
5487 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
5488 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
5489 use in_libcall_block.
5490 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
5491 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
5494 Mon Sep 21 14:02:23 1998
5496 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
5497 typo in no-fancy-math-387 description.
5499 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
5501 * version.c: Bump for snapshot.
5503 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
5505 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
5507 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
5509 * i386.h: (TARGET_SWITCHES) Add description fields for flags
5510 documented in install.texi.
5511 (TARGET_OPTIONS) Likewise.
5513 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
5515 * version.c: Bump for snapshot.
5517 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
5519 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
5520 * cccp.c (main): Likewise.
5522 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
5523 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
5526 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
5528 * Makefile.in (LIBS): Link in libiberty.a.
5529 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
5531 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
5533 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
5534 it to update bb boundaries. Update caller.
5535 * function.c (reposition_prologue_and_epilogue_notes): Update
5536 bb boundaries wrt the moved note.
5538 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
5540 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
5542 * configure: Regenerate.
5544 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
5546 * alpha.c (alpha_sr_alias_set): New variable.
5547 (override_options): Set it.
5548 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
5549 (mode_mask_operand): Fix signed-unsigned comparision warning.
5550 (alpha_expand_block_move): Likewise.
5551 (print_operand): Likewise.
5552 (get_aligned_mem): Use change_address.
5553 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
5554 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
5555 (alphaev4_next_nop, alphaev5_next_nop): New functions.
5556 (alpha_align_insns): Remade from old alphaev5_align_insns
5557 to handle multiple processors.
5558 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
5559 * output.h (label_to_alignment): Prototype.
5561 * tree.c (new_alias_set): New function.
5562 * tree.h (new_alias_set): Declare it.
5563 * c-common.c (c_get_alias_set): Use it.
5565 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
5567 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
5568 to an ABS expr, convert an unsigned input to signed.
5570 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
5572 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
5574 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5576 * configure.in: Add support for c4x targets.
5577 * configure: Rebuilt.
5579 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
5581 * combine.c (distribute_notes): If an insn is a cc0 user, only
5582 delete it if we can also delete the cc0 setter.
5584 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
5586 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
5587 (invert_truthvalue): Enable truthvalue inversion for
5588 floating-point operands if -ffast-math.
5590 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
5592 * configure.in: Disable collect2 for nextstep. Instead use
5594 * configure: Rebuilt.
5595 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
5596 (ENDFILE_SPEC): Define.
5597 (OBJECT_FORMAT_MACHO): Define.
5598 (EH_FRAME_SECTION_ASM_OP): Define.
5599 * crtstuff.c: Handle MACHO.
5601 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
5603 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
5605 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
5607 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
5608 (_fpadd_parts): Get sign right for 0.
5610 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5612 * ginclude/varargs.h: Add support for C4x target.
5613 * ginclude/stdargs.h: Likewise.
5615 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
5617 * alpha.c (alpha_return_addr): SET should be VOIDmode.
5618 (alpha_emit_set_long_const): Rewrite to be callable from reload
5620 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
5621 * alpha.md (movdi): Likewise.
5623 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
5625 * arm.c (add_constant): New parameter address_only, change caller.
5626 Set it non-zero if taking the address of an item in the pool.
5627 (arm_reorg): Handle cases where we need the address of an item in
5630 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
5632 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
5633 memory addresses that are not in standard canonical form.
5635 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
5637 * README.C4X: New file with information about the c4x ports.
5638 * ginclude/va-c4x.h: New file for c4x varargs support.
5639 * config/c4x: New directory with c4x port files.
5641 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
5643 * reload.c (find_reloads): Do not replace a pseudo with
5644 (MEM (reg_equiv_addr)) in the initializing insn for the
5647 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
5649 * toplev.c (rest_of_compilation): Set bct_p on second call to
5651 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
5653 (strength_reduce): Only call analyze_loop_iterations and
5654 insert_bct if bct_p set.
5655 (check_dbra_loop): Fix typo.
5656 (insert_bct): Use word_mode instead of SImode.
5657 (instrument_loop_bct): Likewise. Do not delete iteration count
5658 condition code generation insn. Initialize iteration count before
5660 * rtl.h (loop_optimize): Update prototype.
5662 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
5663 not doubleword aligned.
5665 * rs6000.c (optimization_options): New function.
5666 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
5667 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
5668 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
5669 first; cr1 can be used for FP record condition insns.
5671 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
5673 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
5676 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
5679 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
5681 (block_move_call): New function: Call a library routine to copy a
5683 (m32r_expand_block_move): New function: Expand a "movstrsi"
5684 pattern into a sequence of insns.
5685 (m32r_output_block_move): New function: Expand a
5686 "movstrsi_internal" pattern into a sequence of assembler opcodes.
5687 (m32r_block_immediate_operand): New function: Return true if the
5688 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
5690 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5692 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
5694 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
5696 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5698 * regmove.c (copy_src_to_dest): Check that modes match.
5700 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
5702 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
5704 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
5706 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
5707 narrower than FLOAT_REGS.
5709 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5711 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
5713 * Makefile.in (old_gxx_include_dir): removed
5715 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
5717 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
5720 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
5721 (sh_handle_pragma): Change function arguments to match new
5722 specification for HANDLE_PRAGMA.
5724 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5726 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
5728 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
5729 When generating output, initialize missing struct member to zero.
5731 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5733 * regmove.c (copy_src_to_dest): Don't copy if that requires
5734 (a) new register(s).
5736 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5738 * global.c (reg_allocno): Now static.
5739 * reload1.c (reg_allocno): Delete declaration.
5740 (order_regs_for_reload): Take no arguments. Don't treat regs
5741 allocated by global differently than those allocated by local-alloc.
5743 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
5745 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
5746 condition, fix format strings.
5747 (output_function_epilogue): Likewise.
5749 * m68k/m68k.c: Don't include <stdlib.h> directly.
5751 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
5753 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
5754 mem_first_set, mem_last_set; because 0 can be a CUID.
5755 (oprs_unchanged_p): Use new definition.
5756 (record_last_reg_set_info): Likewise.
5757 (record_last_mem_set_info): Likewise.
5758 (compute_hash_table): Likewise.
5760 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
5762 * rs6000.c (output_epilogue): Handle Chill.
5764 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5765 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5767 * combine.c (make_extraction): If no mode is specified for
5768 an operand of insv, extv, or extzv, default it to word_mode.
5769 (simplify_comparison): Similarly.
5770 * expmed.c (store_bit_field): Similarly.
5771 (extract_bit_field): Similarly.
5772 * function.c (fixup_var_regs_1): Similarly.
5773 * recog.c (validate_replace_rtx_1): Similarly.
5774 * mips.md (extv, extzv, insv expanders): Default modes for most
5775 operands. Handle TARGET_64BIT.
5776 (movdi_uld, movdi_usd): New patterns.
5778 * pa.c (emit_move_sequence): Do not replace a pseudo with its
5779 equivalent memory location unless we have been provided a scratch
5780 register. Similarly do not call find_replacement unless a
5781 scratch register has been provided.
5783 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5785 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
5788 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
5790 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
5791 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
5792 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
5793 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
5794 * c-decl.c (init_decl_processing): Update accordingly.
5795 * expr.c (expand_builtin): Likewise.
5797 * rtl.h (global_rtl): Add cfa entry.
5798 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
5799 (LAST_VIRTUAL_REGISTER): Update.
5800 * emit-rtl.c (global_rtl): Add cfa entry.
5801 (init_emit): Initialize it.
5802 * function.c (cfa_offset): New.
5803 (instantiate_virtual_regs): Initialize it.
5804 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
5805 (expand_function_end): Call expand_eh_return.
5806 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
5808 * except.c (current_function_eh_stub_label): Kill.
5809 (current_function_eh_old_stub_label): Likwise; update all references.
5810 (expand_builtin_set_return_addr_reg): Kill.
5811 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
5812 (expand_builtin_set_eh_regs): Kill.
5813 (eh_regs): Produce a third reg for the actual handler address.
5814 (eh_return_context, eh_return_stack_adjust): New.
5815 (eh_return_handler, eh_return_stub_label): New.
5816 (init_eh_for_function): Initialize them.
5817 (expand_builtin_eh_return, expand_eh_return): New.
5818 * except.h: Update prototypes.
5819 * flow.c (find_basic_blocks_1): Update references to the stub label.
5820 * function.h (struct function): Kill stub label elements.
5822 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
5823 register number is one that would be in the previous window.
5824 Provide a dummy definition for non-windowed targets.
5825 (get_reg_addr): New function.
5826 (get_reg, put_reg, copy_reg): Use it.
5827 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
5828 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
5830 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
5831 (alpha_init_expanders): Initialize it.
5832 (alpha_expand_epilogue): Use it.
5833 * alpha.h: Declare it.
5834 * alpha.md (eh_epilogue): New.
5836 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
5837 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
5839 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
5841 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
5844 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5846 * except.h (struct eh_entry): Add false_label field.
5847 (end_catch_handler): Add prototype.
5848 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
5849 (start_catch_handler): When using old style exceptions, issue
5850 runtime typematch code before continuing with the handler.
5851 (end_catch_handler): New function, generates label after handler
5852 if needed by older style exceptions.
5853 (expand_start_all_catch): No need to check for new style exceptions.
5854 (output_exception_table_entry): Only output the first handler label
5855 for old style exceptions.
5856 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
5857 mechanism into one function, if a runtime matcher is provided.
5859 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5861 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
5863 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
5865 * integrate.c (copy_decl_list): Fix typo.
5867 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5869 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
5872 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
5874 * version.c: Bump for snapshot.
5876 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
5878 * version.c: Bump for snapshot.
5880 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
5882 * version.c: Bump for snapshot.
5884 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5886 * invoke.texi (C Dialect Options): Put back missing @end itemize.
5888 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5890 * configure.in: remove usage of `!' to negate the result of a
5891 command; some common shells do not support it
5893 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5895 * configure.in: in sparc9-sol2 config, use 'if test' not
5897 * configure: Rebuilt.
5899 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
5901 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
5902 (CPP_CPU_DEFAULT_SPEC): Likewise.
5903 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
5904 for arch64 libfuncs.
5906 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
5909 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5911 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
5913 * collect2.c: Don't declare `sys_siglist' here.
5914 (my_strsignal): Prototype and define new function. Use it in
5915 place of `sys_siglist' hacks.
5917 * mips_tfile.c: Likewise.
5919 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
5920 (GCC_NEED_DECLARATIONS): Likewise.
5922 * system.h (strsignal): Prototype it, if necessary.
5923 (sys_siglist): Declare it, if necessary.
5925 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5927 * loop.c (move_movables): While removing insn sequences, preserve
5928 the next pointer of the most recently deleted insn when we skip
5931 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
5933 * objc/config-lang.in: Do not output the name of the selected
5934 thread file when building the front-end. The Makefile for the
5935 runtime library will do this.
5937 * objc/Make-lang.in: Do not build the runtime library or install
5938 the Objective C header files. The Makefile for the runtime
5939 library will do this.
5941 * objc/Makefile.in (all.indirect): Only build the front-end.
5942 (compiler): Rename to `frontend'.
5943 (obj-runtime): Remove target.
5944 (copy-headers): Likewise.
5945 (clean): No need to remove `libobjc.a' any longer.
5947 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
5949 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
5950 supported with -mcpu=xxx.
5952 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5954 * flow.c (mark_set_1): Recognize multi-register structure return
5955 values in CALL insns.
5956 (mark_used_regs): Likewise.
5957 (count_reg_sets_1): Likewise.
5958 (count_reg_references): Likewise.
5959 * rtlanal.c (note_stores): Likewise.
5960 (reg_overlap_mentioned_p): Likewise.
5961 * haifa-sched.c (check_live_1): Likewise.
5962 (update_live_1): Likewise.
5963 (sched_analyze_1): Likewise.
5964 (sched_note_set): Likewise.
5965 (birthing_insn_p): Likewise.
5966 (attach_deaths): Likewise.
5968 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
5971 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
5973 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
5975 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5977 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
5979 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5981 * configure.in: Add check for GAS subsection -1 support.
5982 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
5983 * configure config.in: Rebuilt.
5984 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
5985 SImode is subsection -1 works, else use DImode.
5986 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
5987 subsection -1 works.
5988 * config/sparc/sparc.c (sparc_output_addr_vec,
5989 sparc_output_addr_diff_vec): Use them if defined.
5991 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
5993 * tree.h (DECL_ORIGIN): New macro.
5994 * integrate.c (copy_and_set_decl_abstract_origin): New function.
5995 (copy_decl_list): Use it.
5996 (integrate_parm_decls): Likewise.
5997 (integrate_decl_tree): Likewise.
5998 * dwarf2out.c (decl_ultimate_origin): Simplify.
5999 * dwarfout.c (decl_ultimate_origin): Likewise.
6000 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
6001 (pushdecl): Likewise.
6003 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
6005 * config/rs6000/rs6000.c (output_epilog): Add Java support.
6007 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
6009 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
6011 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
6013 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
6014 empty or has a single entry.
6016 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
6017 before calling reg_to_stack.
6019 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
6021 * alpha.c (alphaev5_insn_pipe): Abort on default case.
6022 (alphaev5_next_group): Swallow CLOBBERs and USEs.
6024 * c-tree.h (warn_long_long): Declare it.
6026 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
6028 * emit-rtl.c (gen_lowpart_common): Disable optimization of
6029 initialized float-int union if the value is a NaN.
6031 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
6033 * c-lex.c (real_yylex): Don't warn about long long constants if
6034 we're allowing long long
6036 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6038 * except.h (current_function_eh_stub_label): Declare.
6039 (current_function_eh_old_stub_label): Declare.
6040 * function.h (struct function): New members eh_stub_label and
6042 * except.c (current_function_eh_stub_label): New variable.
6043 (current_function_eh_old_stub_label): New variable.
6044 (init_eh_for_function): Clear them.
6045 (save_eh_status): Save them.
6046 (restore_eh_status): Restore them.
6047 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
6048 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
6049 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
6050 make an edge from the block that contains it to the block starting
6051 with the label if this label is one of the eh stub labels.
6052 If eh stub labels exist, show they are reachable from the last block
6055 * reload1.c (reload): Break out several subroutines and make some
6057 (calculate_needs_all_insns): New function, broken out of reload.
6058 (calculate_needs): Likewise.
6059 (find_reload_regs): Likewise.
6060 (find_group): Likewise.
6061 (find_tworeg_group): Likewise.
6062 (something_needs_reloads): New global variable, formerly in reload.
6063 (something_needs_elimination): Likewise.
6064 (caller_save_spill_class): Likewise.
6065 (caller_save_group_size): Likewise.
6066 (max_needs): Likewise.
6067 (group_size): Likewise.
6068 (max_groups): Likewise.
6069 (max_nongroups): Likewise.
6070 (group_mode): Likewise.
6071 (max_needs_insn): Likewise.
6072 (max_groups_insn): Likewise.
6073 (max_nongroups_insn): Likewise.
6074 (failure): Likewise.
6076 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
6078 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
6080 * loop.c (load_mems): Copy rtx for output mem.
6082 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
6084 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
6085 mips1 or mips2 either.
6087 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
6089 * pa.c (pa_reorg): New marking scheme for jumps inside switch
6091 (pa_adjust_insn_length): Update to work with new marking scheme
6092 for jumps inside switch tables.
6093 * pa.md (switch_jump): Remove pattern.
6094 (jump): Handle jumps inside jump tables.
6096 * Makefile.in (profile.o): Depend on insn-config.h
6098 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
6100 * iris6.h (DWARF2_UNWIND_INFO): Undef.
6102 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6104 Add preliminary native sparcv9 Solaris support.
6105 * configure.in: Recognize sparv9-*-solaris2*
6106 * configure: rebuilt
6107 * config.sub: Recognize sparcv9 just like sparc64.
6108 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
6109 config/sparc/sol2-cn.asm: Macroize so it can be shared between
6110 32-bit and 64-bit Solaris systems.
6111 * config/sparc/t-sol2: Assemble those with cpp.
6112 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
6113 (*TF*_LIBCALL): If ARCH64 use V9 names.
6114 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
6116 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6118 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
6119 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
6121 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
6123 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
6124 to Pmode if CASE_VECTOR_MODE is something else.
6126 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
6128 * prefix.c (update_path): Correctly handle cases where PATH is
6129 a substring of the builtin prefix, but specifies a different
6132 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
6134 * expr.c: Corrected comment about what MOVE_RATIO does.
6135 * config/alpha/alpha.h: Ditto.
6136 * config/1750a/1750a.h: Ditto.
6137 * config/clipper/clipper.h: Ditto.
6138 * config/i386/i386.h: Ditto.
6140 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
6142 * configure.in (m68k-next-nextstep3*): Use collect2.
6143 Similarly for x86 NeXT configurations.
6144 * configure: Rebuilt.
6146 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
6148 * configure.in: Don't assume srcdir is .../gcc
6149 * configure: Rebuilt.
6151 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
6153 * global.c: Update comments.
6154 (global_alloc): Assign allocation-numbers
6155 even for registers allocated by local_alloc in case
6156 they are later spilled and retry_global_alloc is called.
6157 (mark_reg_store, mark_reg_clobber,
6158 mark_reg_conflicts, mark_reg_death): Always record a
6159 conflict with a pseudo register even if it has been
6160 assigned to a hard register.
6161 (dump_conflicts): Don't list pseudo registers already assigned to
6162 a hard register as needing to be allocated, but do list their
6164 * local-alloc.c: Update comment.
6166 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
6168 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
6169 * configure: Rebuilt.
6171 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
6173 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
6175 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
6176 for all targets that set -msoft-float.
6178 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6180 * toplev.c (print_switch_values): Make static to match prototype.
6182 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
6184 * configure.in: If we are unable to find the "gnatbind" program,
6185 then do not configure the ada subdir.
6186 * configure: Rebuilt.
6188 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
6190 * version.c: Bump for snapshot.
6192 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
6194 * version.c: Bump for snapshot.
6196 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6198 * Makefile.in (toplev.o): Depend on $(EXPR_H).
6199 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
6201 * gansidecl.h: Define ATTRIBUTE_NORETURN.
6203 * genattrtab.c: Have insn-attrtab.c include toplev.h.
6205 * genextract.c: Have insn-extract.c include toplev.h.
6207 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
6209 * toplev.c: Include expr.h.
6210 (really_sorry, fancy_abort): Remove prototypes.
6211 (set_target_switch): Add argument in prototype.
6212 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
6213 (v_really_sorry): Likewise.
6214 (print_version, print_single_switch, print_switch_values): Make
6215 static and add prototype arguments.
6216 (decl_printable_name): Add prototype arguments.
6217 (lang_expand_expr_t): New typedef.
6218 (lang_expand_expr): Declare as a lang_expand_expr_t.
6219 (incomplete_decl_finalize_hook): Add prototype argument.
6220 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
6221 (botch): Likewise for variable `s'.
6222 (rest_of_type_compilation): Mark variables `type' and `toplev'
6223 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
6224 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
6225 (display_help): Make variable `i' an `unsigned long'.
6226 (main): Remove unused parameter `envp'.
6227 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
6228 Cast -1 when comparing it with a `size_t'.
6230 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
6231 prototype with ATTRIBUTE_NORETURN.
6232 (fatal_insn_not_found, fatal_insn, really_sorry,
6233 push_float_handler, pop_float_handler): Add prototypes.
6234 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
6235 (do_abort, botch): Add prototypes.
6237 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
6239 * final.c (final): If a label is reached only from a single jump,
6240 call NOTICE_UPDATE_CC on the jump and its predecessor before
6241 emitting the insn after the label.
6243 * i386.h: Add AMD K6 support.
6244 Change TARGET_* macros to use table lookup.
6245 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
6246 (ADJUST_COST): Change definition to call function in i386.c.
6247 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
6248 * i386.c: Add AMD K6 support.
6249 Add constants for feature tests used by TARGET_* macros.
6250 (split_di): If before reload, call gen_lowpart and gen_highpart.
6251 (x86_adjust_cost): New function.
6252 (put_jump_code): New function.
6253 (print_operand): New codes 'D' and 'd'.
6254 * i386.md: New insn types. New insn attribute "memory".
6255 Redefine scheduling parameters to use new types and add AMD K6
6256 support. Explicitly set type of most insns.
6257 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
6258 Pro and K6 prefer movl $1,reg to incl reg.
6259 (adddi3, subdi3): Set cc_status.
6260 (DImode shift patterns): Change label counters from HOST_WIDE_INT
6261 to int; x86 can't have more than 2^31 DImode shifts per file.
6262 (setcc): Combine all setcc patterns. Allow writing memory.
6263 Combine all jump patterns using match_operator.
6264 (*bzero): Name pattern. Emit mutliple stos instructions when that
6265 is faster than rep stos.
6266 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
6269 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
6271 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
6274 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
6276 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
6277 not whatever we're generating now.
6279 * alpha.c (set_frame_related_p, FRP): New.
6280 (alpha_expand_prologue): Mark frame related insns.
6281 (alpha_expand_epilogue): Likewise, but with a null FRP.
6282 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
6283 * alpha.md (exception_receiver): New.
6284 * alpha/crtbegin.asm (.eh_frame): New beginning.
6285 (__do_frame_setup, __do_frame_takedown): New.
6286 * alpha/crtend.asm (.eh_frame): New ending.
6287 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
6288 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
6289 (ASM_FILE_START): Don't emit .file for dwarf2.
6291 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
6292 * rtl.c (reg_note_name): Likewise.
6293 * rtl.texi (REG_NOTES): Likewise.
6294 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
6297 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
6299 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
6300 * i386.md (movsf, movdf, movxf): Validate memory address returned
6301 from force_const_mem. Kill useless REG_EQUAL setting code.
6303 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
6305 * m68k.md (zero_extendsidi2): Fix typo.
6307 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
6309 * configure.in: Removed references to the removed file
6310 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
6311 * arm*-*-netbsd* and ns32k-*-netbsd*.
6312 * config/i386/xm-netbsd.h: Removed unnecessary file.
6313 * config/m68k/xm-netbsd.h: Likewise.
6314 * config/sparc/xm-netbsd.h: Likewise.
6315 * config/mips/xm-netbsd.h: Likewise.
6317 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
6319 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
6320 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
6322 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
6323 for exact section attributions.
6325 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
6327 * i386/crtdll.h (CPP_PREDEFINES): Define.
6329 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
6331 * m68k.md (5200 movqi): Do not allow byte sized memory references
6333 * m68k.c (output_move_qimode): Do not use byte sized operations on
6336 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
6337 explicit rules for building. Similarly for alloca, vfprintf,
6338 choose-temp and mkstemp, getopt, getopt1, and obstack.
6339 (INCLUDES): Add $(srcdir)/../include.
6340 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
6341 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
6343 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
6345 * gcc.c (do_spec_1): [case 'o'] Account for
6346 lang_specific_extra_outfiles.
6347 (main): Correctly clear all slots in outfiles for
6348 lang_specific_extra_outfiles. Set input_file_number before
6349 calling lang_specific_pre_link.
6351 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
6353 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
6355 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6357 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
6359 (sparc_output_deferred_case_vectors): If no work to do, return.
6360 Fix thinko in Sept 1 change.
6362 1998-09-03 SL Baur <steve@altair.xemacs.org>
6364 * Makefile.in: add semicolon in BISON definition for portability.
6366 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6368 * config/nextstep.c (handle_pragma): Correct name of third
6371 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
6373 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
6374 * config/m32r/m32r.h: Make register 17 be fixed.
6375 * config/m32r/m32r.c: Use SImode for cc operations.
6377 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
6379 * invoke.texi (Warning Options): Add -Wnon-template-friend
6382 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
6384 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
6386 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
6388 * rs6000.md (movsf): Disable explicit secondary-reload-like
6389 functionality if TARGET_POWERPC64.
6390 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
6393 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
6395 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
6396 and term.h from fixinc.wrap.
6398 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6400 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
6401 safe to include both string.h and strings.h together.
6402 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
6403 which headers to search for function declarations. Continue to
6404 prefer string.h over strings.h when both are not acceptable.
6406 * acconfig.h (STRING_WITH_STRINGS): Add stub.
6408 * configure.in: Call GCC_HEADER_STRING.
6410 * system.h: Test STRING_WITH_STRINGS when deciding which headers
6411 to include. Continue to prefer string.h over strings.h when both
6414 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6416 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
6417 not assume top 32-bits of symbolic addresses are zero if
6420 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
6422 * ginclude/va-alpha.h: Protect entire second portion of the
6423 file against double inclusion.
6425 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
6427 Added support for the Boehm's garbage collector.
6428 * configure.in: Handle --enable-objc-gc.
6429 * configure: Rebuilt.
6430 * Makefile.in (CHECK_TARGETS): Add check-objc.
6431 (check-objc): New rule.
6432 * objc/Make-lang.in: Build a different Objective-C library that
6433 runs with the Boehm's collector.
6434 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6435 * objc/encoding.c: Correctly compute the size of compound types in
6436 the presence of bitfields. Skip the variable name of the type if
6437 any. Added support for long long.
6438 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
6439 (_F_GCINVISIBLE): New mask.
6440 * objc/gc.c: New file. Compute the type memory mask associated with
6441 a class based on the runtime information.
6442 * objc/misc.c: Added the hooks that use the Boehm's collector
6443 allocation functions.
6444 * objc/objc-act.c (build_class_template): Generate a new class
6445 member (gc_object_type) to hold the class' type memory mask.
6446 (build_shared_structure_initializer): Initialize the new member to
6448 (encode_complete_bitfield): New function. Generate the new
6450 (encode_field_decl): Generate the new encoding only for the GNU
6452 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
6454 (class_get_gc_object_type): New function to mark a pointer instance
6455 variable as a weak pointer.
6456 * objc/objc-features.texi: New file.
6457 * objc/objc.h (gc_object_type): New class member.
6458 * objc/objects.c (class_create_instance): Create a typed memory
6459 object when compiled with Boehm's collector support.
6460 * objc/sendmsg.c (__objc_init_install_dtable): Call
6461 __objc_send_initialize instead of setting the initialize flag.
6462 (__objc_send_initialize): Call __objc_generate_gc_type_description
6463 to generate the class type memory mask. Rewrite the code that
6464 sends the +initialize so that it is called only once (bug report
6465 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
6466 * testsuite/objc: New testsuite for Objective-C type encoding.
6467 * testsuite/lib/objc-torture.exp: New file.
6468 * testsuite/lib/objc.exp: New file.
6470 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
6472 * jump.c (jump_optimize): In if/then/else transformations, add
6473 another call to modified_between_p for the jump insn.
6475 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
6477 * fix-header.c (symlink): Treat like readlink.
6479 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6481 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
6484 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
6486 * config/nextstep.h: Update HANDLE_PRAGMA macro.
6487 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
6488 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
6490 * config/nextstep.c (handle_pragma): Take three arguments, as per
6491 the new HANDLE_PRAGMA macro specification.
6492 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
6493 per the new HANDLE_PRAGMA macro specification.
6494 * config/i960/i960.c (process_pragma): Take three arguments, as
6495 per the new HANDLE_PRAGMA macro specification.
6497 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
6499 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
6500 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
6501 if unknown pragmas are encountered.
6502 (handle_sysv_pragma): Interpret return code from
6503 handle_pragma_token (). Return success/failure indication rather
6504 than next unprocessed character.
6505 (pragma_getc): New function: retrieves characters from the
6506 input stream. Defined when HANDLE_PRAGMA is enabled.
6507 (pragma_ungetc): New function: replaces characters back into the
6508 input stream. Defined when HANDLE_PRAGMA is enabled.
6510 * c-pragma.c (handle_pragma_token): Return success/failure status
6513 * c-pragma.h: Change prototype of handle_pragma_token().
6515 * varasm.c: (handle_pragma_weak): Only create this function if
6516 HANDLE_PRAGMA_WEAK is defined.
6518 * c-common,c (decl_attributes): If defined call the expression
6519 contained within the INSERT_ATTRIBUTES macro before adding
6520 attributes to a decl.
6522 * tm.texi (HANDLE_PRAGMA): Document the new verion of
6523 HANDLE_PRAGMA, which takes three arguments.
6524 (INSERT_ATTRIBUTES): Document this new macro.
6526 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
6527 new INSERT_ATTRIBUTES macro.
6529 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6531 * config/sparc/sparc.md (movdf): Only generate special RTL for
6532 LABEL_REFs when PIC.
6533 (move_label_di): Remove
6534 (movdi_pic_label_ref, movdi_high_pic_label_ref,
6535 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
6536 references when PIC.
6537 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
6538 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
6539 output an .xword for all 64-bit cases.
6541 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6543 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
6544 alignment, use FUNCTION_BOUNDARY instead.
6545 (sparc_output_deferred_case_vectors): Likewise.
6547 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6549 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
6550 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
6552 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
6554 * alpha/va_list.h: New file.
6555 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
6557 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
6559 * NEWS: Add SCO Openserver and Unixware 7 notes.
6563 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
6565 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
6566 (record_constant_1): Handle RANGE_EXPR.
6568 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
6570 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
6571 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
6572 and NOTE_INSN_RANGE_END specially.
6573 (reemit_notes): Likewise.
6575 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6577 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
6578 (ultrasparc_sched_init): Remove unneeded &.
6580 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6582 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
6583 for m68020-60, to prevent the use of fintrz.
6585 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
6587 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
6589 * Makefile.in: Likewise.
6590 * configure: Regenerated.
6592 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
6594 * configure.in (gxx_include_dir): Changed to
6595 '${prefix}/include/g++'-${libstdcxx_interface}.
6596 * configure: Rebuilt.
6598 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
6600 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
6602 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
6603 *sequences* *below* which scalar moves will be used.
6605 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
6607 * collect2.c (mktemp): Delete unused declaration.
6609 * config/xm-netbsd.h: Remove unnecessary file.
6610 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
6611 file anymore, it is not needed.
6613 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
6615 * convert.c (convert_to_integer): Issue an error on conversions to
6618 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
6620 * Makefile.in: Add lang_tree_files and gencheck.h.
6621 * configure.in: Generate them.
6622 * gencheck.c: Include gencheck.h.
6624 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6626 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
6627 movdi_lo_sum_pic and movdi_high_pic and make visible.
6628 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
6629 emit these when Pmode is not SImode.
6630 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
6632 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
6634 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
6635 .linkonce directive after the first time.
6637 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
6639 * m68k.md (beq0_di): Generate correct (and more efficient) code when
6640 the clobbered operand overlaps with an input.
6641 (bne0_di): Similarly.
6643 * Makefile.in (INSTALL): Remove "--no-header" argument.
6645 * NEWS: Various updates.
6647 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6649 * config/sparc/sparc.c (arith_operand, const64_operand,
6650 const64_high_operand, arith_double_4096_operand): Mark mode as
6652 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
6654 (sparc_emit_set_const64): Remove unused variable i.
6655 (sparc_splitdi_legitimate): Likewise for addr_part.
6656 (ultra_code_from_mask): Likewise for mask.
6657 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
6658 reverse return values so it matches usage and comments.
6659 (ultra_flush_pipeline): Likewise.
6660 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
6661 this_type, and allow loads and stores of differing FP modes as
6662 they do not create a conflict.
6663 (ultra_find_type): Initialize fpmode to SFmode, fix
6664 parenthesization thinkos in large conditional.
6665 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
6666 Init free_slot_mask after ultra_cur_hist is reset, not before.
6667 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
6668 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
6669 use ultra_flush_pipeline instead, then re-init group pointer.
6670 Fix statement with no effect. If no progress made in, and no
6671 instructions scheduled at all, advance to new pipeline cycle else
6672 we get into an endless loop.
6673 (ultrasparc_adjust_cost): Remove previous arg.
6674 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
6676 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
6678 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
6679 code. Use reg_overlap_mentioned_p to detect when source and
6680 destination overlap.
6681 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
6683 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
6685 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
6686 COMPARISON_VAL, into invariant_p.
6688 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6690 * regmove.c (regclass_compatible_p): New function.
6691 (regmove_optimize): Use it.
6693 Use NREGS parameter insted of calling max_reg_num.
6695 (fixup_match_1): Don't use code = MINUS when later tieing with
6696 a hard register is likely.
6698 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6700 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
6701 COMPARISON_VAL was normalized.
6703 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
6705 * loop.c (check_dbra_loop): The loop ending comparison value
6706 must be an invariant or we can not reverse the loop.
6708 * loop.c (scan_loop): Count down from max_reg_num - 1 to
6709 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
6711 (load_mems_and_recount_loop_regs_set): Likewise.
6713 * i386.c (print_operand): Remove obsolete 'c' docs.
6715 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
6717 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
6718 * frame.c (init_object_mutex): New function.
6719 (init_object_mutex_once): Likewise.
6720 (find_fde): Call it.
6721 (__register_frame_info): Likewise.
6722 (__register_frame_info_table): Likewise.
6723 (__deregister_frame_info): Likewise.
6725 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
6727 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
6729 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6731 * loop.c (check_dbra_loop): Enable code for reversal
6732 of some loops without a known constant loop end.
6734 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
6736 * haifa-sched.c (last_clock_var): New.
6737 (schedule_block): Initialize it.
6738 (schedule_insn): Use it to fill insn modes with issue information.
6740 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
6741 Tag trapb and next insn with TImode.
6742 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
6743 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
6744 Invoke alphaev5_align_insns as appropriate.
6745 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
6746 (MD_SCHED_VARIABLE_ISSUE): New.
6747 * alpha.md (attr type): Add multi.
6748 (define_asm_attributes): New.
6749 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
6750 (arg_home): Likewise.
6751 (fnop, unop, realign): New.
6753 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
6755 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
6756 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
6758 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
6759 (rs6000-ibm-aix4.[12]*): Likewise.
6760 * configure: Regnerate.
6762 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
6764 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
6765 already contains the return address.
6767 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
6769 * calls.c (expand_call): Use bitfield instructions to extract/deposit
6770 word sized hunks when loading unaligned args into registers.
6772 * haifa-sched.c (sched_analyze_insn): Only create scheduling
6773 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
6775 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
6777 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6779 * loop.c (check_dbra_loop): Add some code that would allow reversal
6780 of some loops without a known constant loop end if it were enabled.
6782 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
6784 * mips.md (lshrsi3_internal2+2): Fix type-o.
6786 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6788 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
6789 correctly with regards to stdio.h.
6791 * calls.c: Remove stdarg.h/varargs.h.
6794 * combine.c: Likewise.
6795 * cpperror.c: Likewise.
6796 * cpplib.c: Likewise.
6797 * cpplib.h: Likewise.
6798 * doprint.c: Likewise.
6799 * emit-rtl.c: Likewise.
6800 * final.c: Likewise.
6801 * fix-header.c: Likewise.
6803 * genattr.c: Likewise.
6804 * genattrtab.c: Likewise.
6805 * gencodes.c: Likewise.
6806 * genconfig.c: Likewise.
6807 * genemit.c: Likewise.
6808 * genextract.c: Likewise.
6809 * genflags.c: Likewise.
6810 * genopinit.c: Likewise.
6811 * genoutput.c: Likewise.
6812 * genpeep.c: Likewise.
6813 * genrecog.c: Likewise.
6814 * mips-tfile.c: Likewise.
6815 * prefix.c: Likewise.
6816 * protoize.c: Likewise.
6817 * regmove.c: Likewise.
6818 * toplev.c: Likewise.
6821 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6823 * config/sparc/sparc.c (sparc_override_options): If not
6824 TARGET_FPU, turn off TARGET_VIS.
6825 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
6826 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
6827 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
6828 (movdi_insn_sp64): Add VIS fzero alternative.
6829 (clear_sf, clear_df): New VIS patterns.
6830 (movsf, movdf expanders): Allow fp_zero_operand flat out when
6832 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
6834 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
6836 * loop.c (n_times_set, n_times_used, may_not_optimize,
6837 reg_single_usage): Convert to varrays. All uses changed.
6838 (insert_loop_mem): Return a value.
6839 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
6840 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
6843 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
6846 * configure.in: Do not set thread_file to "irix" since no such
6849 * sparc.md (float abs/neg splits): Check reload_completed before
6850 calling alter_subreg.
6852 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6854 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
6856 * config/sparc/sparc.h: Declare it.
6857 * config/sparc/sparc.md (float abs/neg splits): Use it.
6858 (all other splits): Handle SUBREGs properly where necessary.
6859 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
6861 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
6863 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
6864 an insn on the unfilled_slots_list that has no delay slots.
6865 (fill_eager_delay_slots): Similarly.
6867 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
6869 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
6870 as an ordinary operand.
6872 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
6874 * tree.c (valid_machine_attribute): Don't apply attributes to both
6877 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
6879 * reload.c (operands_match_p): Handle rtvecs.
6881 * i386.c (legitimate_pic_address_disp_p): New.
6882 (legitimate_address_p): Use it.
6883 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
6884 Handle constant pool symbols just like statics.
6885 (emit_pic_move): Use Pmode not SImode for clarity.
6886 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
6887 [UNSPEC]: New, handling what we killed above.
6888 [PLUS]: Detect and abort on invalid symbol arithmetic.
6889 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
6891 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
6893 * alias.c: Include output.h.
6894 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
6895 different if we're in a varargs function.
6896 * Makefile.in (alias.o): Depend on output.h
6898 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6900 * sh.h (GIV_SORT_CRITERION): Delete.
6902 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
6904 * regclass.c (regclass): Use xmalloc/free instead of alloca.
6905 * stupid.c (stupid_life_analysis): Ditto.
6906 * reload1.c (reload): Ditto.
6908 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6910 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
6911 arith_double_4096_operand, arith_double_add_operand): New
6913 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
6914 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
6915 them to transform add/sub 4096 into add/sub -4096.
6917 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6919 * loop.c (scan_loop): Allocate some slop to handle pseudos
6920 generated by move_movables.
6921 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
6924 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
6926 * tree.def (DECL_RESULT): Correct documentation.
6928 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6930 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
6931 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
6932 conflicts will all RELOAD_FOR_OUTPUT reloads.
6934 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
6935 loads the function result, substitute with a USE.
6937 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6939 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
6940 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
6941 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
6942 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
6943 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
6944 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
6946 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
6947 'o' to 'm' for GPR variant constraints.
6949 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
6951 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
6953 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
6955 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
6956 when the source and destination overlap.
6958 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
6959 clash with global type.
6961 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
6963 * fixinc.irix: Add curses.h handling from fixinc.wrap.
6965 * c-common.c (combine_strings): Also set TREE_READONLY.
6966 Change warn_write_strings to flag_const_strings.
6967 * c-decl.c, c-tree.h: Likewise.
6969 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6971 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
6972 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
6973 sequence, use SET/IOR instead so CSE can see it.
6974 * config/sparc/sparc.md (movhi_const64_special,
6975 movsi_const64_special): New patterns necessitated by that change.
6976 (movhi_high): Remove.
6977 (movhi_lo_sum): Change to match an IOR.
6978 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
6979 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
6980 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
6981 (movdf splits): Allow when not V9 or when not ARCH64 and integer
6982 registers are involved.
6983 (snesi_zero_extend split): Remove reload_completed test.
6984 (unnamed plus and minus zero_extend sidi splits): Add it.
6986 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
6988 * extend.texi: Remove description of extension to explicit
6989 instantiation that is now endorsed by standard C++.
6991 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6993 * config/arc/arc.c (arc_initialize_pic): Remove.
6994 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
6995 nothing on any platform and is invoked by no-one, it does not even
6996 appear in the documentation.
6997 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
6998 * config/sparc/sparc.c (initialize_pic): Likewise.
6999 (find_addr_reg): Remove this as well, no longer referenced after
7002 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
7004 * recog.c (validate_replace_rtx_group): New function.
7005 * recog.h (validate_replace_rtx_group): Declare it.
7006 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
7007 the entire group of substitutions.
7009 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
7011 * loop.c (load_mems): Fix initializers.
7013 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7015 * config/sparc/sparc.md (TFmode splits): Handle destination
7016 registers being referenced in the address correctly.
7018 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
7019 TREE_UNSIGNED, when bitsize of type's mode is larger than
7020 HOST_BITS_PER_WIDE_INT.
7022 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7024 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
7025 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
7026 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
7028 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
7031 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
7033 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
7034 * h8300.h (TINY_DATA_NAME_P): Likewise.
7035 (STRIP_NAME_ENCODING): Handle '&'.
7037 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
7038 register (it could be accessed via an outer SUBREG).
7039 (REG_OK_FOR_BASE_P): Likewwise.
7040 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
7042 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
7045 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
7047 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7049 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
7050 must be offsettable so the splits can be made.
7052 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
7054 * config/i386/winnt.c: Include system.h, not stdio.h to get
7055 sys/param.h pulled in before rtl.h in case the system defines MIN
7058 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
7060 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
7062 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
7064 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
7066 * cpplib.c (cpp_define): Handle macros with parameters.
7068 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7070 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
7071 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
7072 and DImode 64-bit. Use llong for minimal-toc SFmode and
7073 SYMBOL_REF / LABEL_REF 64-bit.
7074 (output_function_profiler): Use llong for profiler label and ld to
7075 load 64-bit label address.
7077 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
7079 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
7082 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
7084 * version.c: Bump for snapshot.
7086 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
7088 * version.c: Bump for snapshot.
7090 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
7092 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
7094 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
7096 * tm.texi (Misc): Fix typo "teh".
7098 * tm.texi (PIC): Fix typo "PPIC".
7100 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
7101 effect when -O2 and higher.
7102 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
7104 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
7106 * regclass.c: Changed register set documentation to be consistent
7109 * final.c (final_start_function) Removed redundant test for
7112 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
7114 * rtl.h (rtx_function): New type.
7115 (for_each_rtx): New function.
7116 * rtlanal.c (for_each_rtx): Define it.
7118 * recog.c (change_t): New type.
7119 (change_objects, change_old_codes, change_locs, change_olds):
7121 (changes): New variable.
7122 (validate_change): Dynamically allocate room for more changes, if
7123 necessary. Uses changes array instead of change_objects, etc.
7124 (apply_change_group): Use changes array instead of
7125 change_objects, etc.
7127 * loop.c (loop_mem_info): New type.
7128 (loop_mems): New variable.
7129 (loop_mems_idx): Likewise.
7130 (looop_mems_allocated): Likewise.
7131 (scan_loop): Remove nregs parameter.
7132 (next_insn_in_loop): New function.
7133 (load_mems_and_recount_loop_regs_set): Likewise.
7134 (load_mems): Likewise.
7135 (insert_loop_mem): Likewise.
7136 (replace_loop_mem): Likewise.
7137 (replace_label): Likewise.
7138 (INSN_IN_RANGE_P): New macro.
7139 (loop_optimize): Don't pass max_reg_num() to scan_loop.
7140 (scan_loop): Remove nregs parameter, compute it after any new
7141 registers are created by load_mems. Use INSN_IN_RANGE_P and
7142 next_insn_in_loop rather than expanding them inline. Call
7143 load_mems to load memory into pseudos, if appropriate.
7144 (prescan_loop): Figure out whether or not there are jumps from the
7145 loop to targets other than the label immediately following the
7146 loop. Call insert_loop_mem to notice all the MEMs used in the
7147 loop, if it could be safe to pull MEMs into REGs for the duration
7149 (strength_reduce): Use next_insn_in_loop. Tweak comments.
7151 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
7153 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
7155 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7157 * config/sparc/sparc.c (finalize_pic): Check for the correct
7158 nonlocal_goto_receiver UNSPEC number.
7159 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
7160 making note of this dependency existing in sparc.c
7161 (negtf2_notv9 split): Give NEG SFmode.
7162 (negsf2): Fix insn output string.
7164 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
7166 * c-common.c (decl_attributes): Issue an error if the argument
7167 to alias is not a string.
7169 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
7171 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
7172 pending memory flush list.
7174 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
7176 (try_combine): Allow combining insns with REG_LIBCALL notes.
7178 * expr.c (emit_block_move): Do not call memcpy as a libcall
7179 instead build up a CALL_EXPR and call it like any other
7181 (clear_storage): Similarly for memset.
7183 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
7186 * Makefile.in (cplus-dem.o): Provide explicit rules for building
7189 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
7190 and REG_LIVE_LENGTH as successful substitutions are made.
7192 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7194 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
7195 statement after end of loop label.
7197 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7199 * config/sparc/sparc.c (ultra_types_avail): New variable.
7200 (ultra_build_types_avail): New function to record mask of insn
7201 types in ready list at this cycle.
7202 (ultrasparc_sched_reorder): Call it.
7203 (ultra_find_type): Use it to quicken the search. Also simplif
7204 dependency check, don't use rtx_equal_p because we know exactly
7205 what we are looking for.
7207 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
7209 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
7210 for architecture v4.
7212 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7214 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
7216 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
7217 movdf_const_intreg and helper splits): New patterns to move float
7218 constants into integer registers.
7219 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
7222 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
7225 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
7227 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
7229 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
7230 a BASE_REGS register is needed as an intermediate when copying
7231 a symbolic value into any register class other than BASE_REGS.
7233 * expr.c (move_by_pieces): No longer static. Remove prototype.
7234 * rtl.h (move_by_pieces): Add extern prototype.
7235 * mips.c (expand_block_move): Handle aligned straight line copy by
7236 calling move_by_pieces.
7238 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
7241 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
7243 * stmt.c (expand_end_loop): Tidy. Allow unconditional
7244 jumps out of the loop to be treated as part of the exit test.
7246 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7247 Jeff Law <law@cygnus.com>
7249 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
7250 * cplus-dem.c: Delete.
7252 * Makefile.in (fold-const.o): depend on $(RTL_H).
7254 * fold-const.c: Include rtl.h to get the prototype for
7255 `set_identifier_local_value'.
7257 * loop.c (express_from_1): Remove unused variable `tmp'.
7258 (combine_givs): cast the first argument of bzero to char *.
7260 * toplev.c (display_help): Remove unused variable `looking_for_start'.
7262 * c-decl.c (init_decl_processing): Remove unneeded &.
7264 * alpha.h (alpha_initialize_trampoline): Provide prototype.
7266 * except.c (set_exception_lang_code, set_exception_version_code):
7267 Change parameter from `short' to `int' to avoid using a gcc
7270 * except.h (set_exception_lang_code, set_exception_version_code):
7271 Likewise for prototypes.
7273 * flow.c (count_reg_references): Remove unused variables `regno'
7276 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
7278 * prefix.c (translate_name): Cast the result of `alloca'.
7280 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
7282 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7284 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
7286 (valid_dbcc_comparison_p): Mark mode argument as unused.
7287 (symbolic_operand): Likewise.
7288 (legitimize_pic_address): Likewise.
7289 (const_uint32_operand): Likewise.
7290 (const_sint32_operand): Likewise.
7291 * sched.c [!INSN_SCHEDULING]: Define only dummy function
7292 schedule_insns and comment out rest of file.
7294 * m68k.c (output_move_simode_const): Use subl to move a zero into an
7296 (output_move_[hq]imode): Likewise.
7298 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
7300 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
7301 * invoke.texi: Corresponding changes.
7303 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
7305 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
7307 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7309 * config/sparc/sparc.c (ultra_code_from_mask,
7310 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7311 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
7312 ultrasparc_sched_init, ultrasparc_variable_issue,
7313 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
7314 functions to describe UltraSPARC pipeline exactly to Haifa.
7315 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
7316 as there is nothing the scheduler can do about it. Indicate that
7317 REG_DEP_OUTPUT's collide. Fixup formatting.
7318 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
7319 divide costs on Ultra for DImode.
7320 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
7322 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
7323 ieuN and add call_no_delay_slot to type list.
7324 (cti function unit): New unit for branches on UltraSPARC.
7325 (subx/addx insns): Set type to misc.
7326 (sidi zero/sign extension insns on arch64): Set type to shift.
7327 (sign_extendhidi2_insn): Set type to sload.
7329 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
7331 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
7332 (output_epilog): Use if != 0 for offset.
7333 (rs6000_fatal_bad_address): Prepare for Intl.
7334 * rs6000.h (rs6000_fatal_bad_address): Declare.
7335 * rs6000.md (movsfcc, movdfcc): Use else if.
7336 (elf_high): Use {liu|lis}.
7337 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
7338 (movsi): Use rs6000_fatal_bad_address.
7340 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
7342 * reload.c (find_equiv_reg): Reject equivalences separated
7343 by a volatile instruction.
7345 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7347 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
7349 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
7351 * alpha.md (movsicc): Fix mode mismatch.
7353 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
7355 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
7357 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
7359 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7361 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
7362 write-only modifier from operand 1 constraint.
7364 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7366 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
7367 emitting a XOR of -1 at the end, emit a NOT instead for combine's
7369 (sparc_emit_set_const64): Likewise, also when computing trailing
7370 bits do not negate low_bits and make fast_int an int.
7372 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
7374 * loop.c (add_label_notes): Do not ignore references to labels
7375 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
7376 * gcse.c (add_label_notes): Similarly.
7378 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
7380 * m68k.md (adddi_dilshr32): One of the operands must be a register.
7381 (adddi_dishl32): Similarly.
7383 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
7385 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
7386 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
7387 * cse.c (cse_basic_block): Add parens to shut up warnings.
7389 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7391 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
7392 sparc_emit_set_const64_longway, const64_is_2insns,
7393 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
7394 in 64-bit constant formation.
7395 * config/sparc/sparc.md (snesi_zero_extend split): Generate
7396 rtl for addx not subx.
7397 (define_insn movdi_const64_special): Make available even when
7398 HOST_BITS_PER_WIDE_INT is not 64.
7399 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
7400 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
7401 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
7402 instances of operand 1 inside a QI subreg.
7403 (xordi3_sp64_dbl): Remove '%' constraint for op1.
7404 (one_cmpldi2_sp64): Fix output string.
7405 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
7407 (unnamed arch64 ashift DI): Truncate shift count if greater than
7410 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7412 * expr.c (store_expr): Don't optimize away load-store pair
7413 when either source or destination have a side effect.
7415 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
7417 * genrecog.c (add_to_sequence): Fatal error if the modes of the
7418 operands of SET are incompatible.
7420 * alpha.md: Fix max and min patterns so modes of SET operands match.
7422 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
7424 * configure.in: Avoid [[ by using test and changequote.
7425 * configure: Rebuild.
7427 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7429 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7431 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7432 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7433 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7434 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7435 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7436 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
7437 Fix mismatching modes in SET operands.
7438 (conditional move patterns): Fix formatting.
7439 (unnamed subx arch64 pattern): Remove duplicate insn.
7441 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7443 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7444 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
7445 (input_operand): Fixup test for what we accept for constant
7447 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
7449 (safe_constDI): Remove.
7450 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7451 gen_safe_XOR64): New functions.
7452 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
7453 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
7455 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
7456 available when HOST_BITS_PER_WIDE_INT is not 64.
7457 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
7458 move before movdi_insn_sp64 pattern.
7459 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
7460 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
7461 symbolic_operand as predicate for second operand.
7462 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
7463 expander): Give set VOIDmode.
7465 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
7467 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
7469 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
7471 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
7473 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
7475 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
7477 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
7479 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
7481 * install.texi: Various SCO OpenServer tweaks.
7483 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
7485 * reload1.c (eliminate_regs_in_insn): Handle another case when
7486 eliminating the frame pointer to the hard frame pointer. Add
7487 missing ep->to_rtx check to one existing case.
7489 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
7491 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7493 * tree.h: De-conditionalize init_priority code.
7495 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
7496 * collect2.c (NM_FLAGS): Change from -p to -n.
7498 * configure.in: Turn on collect2 for mipstx39-elf.
7499 Handle use_collect2=no properly.
7501 * c-common.c: De-conditionalize init_priority code.
7502 * collect2.c (extract_init_priority, sort_ids): New fns.
7503 (main): Call sort_ids.
7504 Move sequence_number to file scope.
7506 * configure.in: Handle --enable-init-priority.
7507 * c-common.c (attrs): Add A_INIT_PRIORITY.
7508 (init_attributes, decl_attributes): Likewise.
7509 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
7510 * tree.c (get_file_function_name_long): Split out...
7511 (get_file_function_name): ...from here.
7513 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
7515 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
7518 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
7520 * toplev.c (display_help): Add braces to shut up warnings.
7521 * tree.c (simple_cst_equal): Likewise.
7523 * fold-const.c (non_lvalue): Don't deal with null pointer
7525 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7527 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
7528 of any size to a pointer.
7530 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
7532 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
7534 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
7536 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
7537 which will be saved.
7538 * mn10300.md (prologue insn): Only save registers which need saving.
7539 (epilogue insn): Similarly.
7541 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
7544 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
7546 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
7547 VAR_DECL's in gp addressable sections.
7549 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
7551 * sparc.c: Change return <exp> to <exp>; return; in functions
7553 * sparc.md: Add empty semicolon statement after final label in
7556 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7558 * config/sparc/sparc.md (define_insn addx_extend): Rename to
7559 addx_extend_sp64, only allow when TARGET_ARCH64.
7560 (define_insn addx_extend_sp32 and split): Version that works when
7562 (define_insn subx_extend): Likewise.
7563 (define_split adddi3 and subdi3 with zero extension): Fixup and
7564 correct bugs when not TARGET_ARCH64.
7566 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
7568 * except.c (set_exception_lang_code, set_exception_version_code):
7569 Use prototype-style definition if __STDC__, to match declaration
7572 * genemit.c: Change FAIL and DONE macros not to use loops.
7574 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
7576 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
7577 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
7579 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
7581 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
7583 * README.g77: Update from Craig.
7585 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7587 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
7589 (safe_constDI sparc_emit_set_const64_quick1,
7590 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7591 analyze_64bit_constant, const64_is_2insns,
7592 create_simple_focus_bits): Fix some bugs when compiled on real
7594 (function_arg_record_value_3, function_arg_record_value_2,
7595 function_arg_record_value): Add fully prototyped forward decls.
7596 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
7597 to cmpsi_insn and use on both 64 and 32 bit targets.
7598 (define_insn cmpsi_insn_sp64): Remove.
7599 (define_expand zero_extendsidi2): Allow for 32-bit target too.
7600 (define_insn zero_extendsidi2_insn): Rename to
7601 zero_extendsidi2_insn_sp64.
7602 (define_insn zero_extendsidi2_insn_sp32): New pattern and
7603 assosciated forced split for it.
7605 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7607 * config/sparc/sparc.h: Declare them.
7608 (PREDICATE_CODES): Add them.
7609 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
7610 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
7612 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
7614 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
7615 in v9 case as the latter makes the Solaris assembler crash.
7617 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7619 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
7620 for TFmode when !v9. We require offsettable memory addresses.
7621 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
7622 DFmode register number conversions.
7623 * config/sparc/sparc.md (define_split DFmode moves): If register
7624 is a SUBREG do alter_subreg on it before using.
7625 (define_expand movtf): Fixup comment about alignment on v9.
7626 (define_split TFmode moves): Don't use gen_{high,low}part, create
7627 explicit SUBREGs instead.
7629 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
7631 * Makefile.in (mbchar.o): Depend on mbchar.c.
7633 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7634 Richard Henderson <rth@cygnus.com>
7636 Rewrite Sparc backend for better code generation and
7637 improved sparc64 support.
7638 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
7640 * config/sparc/sysv4.h: Likewise.
7641 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
7642 move_operand, v8plus_regcmp_op, emit_move_sequence,
7643 singlemove_string, doublemove_string, mem_aligned_8,
7644 output_move_double, output_move_quad, output_fp_move_double,
7645 move_quad_direction, output_fp_move_quad, output_scc_insn):
7647 (small_int_or_double): New predicate.
7648 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
7649 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
7650 old pic_{sethi,lo_sum}_si patterns.
7651 (mem_min_alignment): New generic function to replace
7652 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
7653 available and can test for arbitrary alignments. All callers
7655 (save_regs, restore_regs, build_big_number,
7656 output_function_prologue, output_cbranch, output_return,
7657 sparc_flat_save_restore, sparc_flat_output_function_prologue,
7658 sparc_flat_output_function_epilogue): Prettify
7660 (output_function_epilogue): Likewise and add code to output
7661 deferred case vectors.
7662 (output_v9branch): Likewise, add new arg INSN and use it to tack
7663 on branch prediction settings. All callers changed.
7664 (print_operand): Likewise and output %l44 for LO_SUMs when
7666 (sparc_splitdi_legitimate): New function to make sure DImode
7667 splits can be run properly when !arch64.
7668 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
7669 Reformat example code in comments.
7670 (set_extends): Remove UNSPEC/v8plus_clear_high case.
7671 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
7672 of deferred case vectors we need to output.
7673 (sparc_defer_case_vector): Record a case vector.
7674 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
7675 sparc_output_deferred_case_vectors): New functions to output them.
7676 (sparc_emit_set_const32): New function to form 32-bit constants in
7677 registers when that requires more than one instruction.
7678 (safe_constDI, sparc_emit_set_const64_quick1,
7679 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7680 analyze_64bit_constant, const64_is_2insns,
7681 create_simple_focus_bits, sparc_emit_set_const64): New functions
7682 which do the same for 64-bit constants when arch64.
7683 (sparc_emit_set_symbolic_const64): New function to emit address
7684 loading for all code models on v9.
7685 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
7686 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
7687 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
7688 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
7689 inaccuracies in comments, add symbolic and text_segment operands
7690 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
7691 GENERAL_REGS in these cases as a temp REG is needed to load these
7692 addresses into a register properly.
7693 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
7695 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
7696 quads are guarenteed to have 16-byte alignment.
7697 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
7698 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
7699 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
7700 deferred case vector implementation.
7701 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
7702 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
7703 Generate "internal label - label" instead of "label - 1b".
7704 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
7705 (PREDICATE_CODES): Remove sparc_operand, move_operand,
7706 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
7708 (doublemove_string, output_block_move, output_fp_move_double,
7709 output_fp_move_quad, output_move_double, output_move_quad,
7710 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
7711 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
7712 (sparc_emit_set_const32, sparc_emit_set_const64,
7713 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
7714 mem_min_alignment, small_int_or_double): Add externs.
7715 * config/sparc/sparc.md: Document the many uses of UNSPEC and
7716 UNSPEC_VOLATILE in this backend.
7717 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
7718 unary to types which execute in it.
7719 (define_function_unit ieu_shift): Rename to ieu0.
7720 (define_function_unit ieu1): New, executes compare, call, and
7721 uncond_branch type insns.
7722 (define_function_units for type fdivs, fdivd, fsqrt): These
7723 execute in the fpu multiply unit not the adder on UltraSparc.
7724 (define_expand cmpdi): Disallow TARGET_V8PLUS.
7725 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
7726 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
7727 allows the arith_double_operand predicate and rHI constraint when
7729 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
7730 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
7731 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
7732 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
7733 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
7734 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
7735 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
7736 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
7737 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
7738 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
7739 sign_extendqihi2_insn, sign_extendqisi2_insn,
7740 sign_extendqidi2_insn, sign_extendhidi2_insn,
7741 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
7742 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
7743 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
7744 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
7745 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
7746 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
7747 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
7748 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
7749 smulsi3_highpart_v8plus, unnamed subreg mult,
7750 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
7751 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
7752 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
7753 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
7754 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
7755 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
7756 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
7757 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
7758 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
7759 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
7760 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
7761 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
7762 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
7763 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
7764 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
7765 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
7766 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
7767 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
7768 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
7769 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
7770 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
7771 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
7772 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
7773 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
7774 call_address_untyped_struct_value_sp32,
7775 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
7776 call_value_symbolic_sp32, call_value_address_sp64,
7777 call_value_symbolic_sp64, branch_sp32, branch_sp64,
7778 flush_register_windows, goto_handler_and_restore,
7779 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
7780 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
7781 return_addsi, return_di, return_adddi, return_sf, all call+jump
7782 peepholes, trap, unnamed trap insns): Prettify output strings.
7783 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
7784 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
7785 Likewise and force + implement splits for integer cases.
7786 (define_insn return_sf_no_fpu): Likewise and allow to match when
7787 no-fpu because of our subreg SFmode splits.
7788 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
7789 zero_extendqidi2_insn, zero_extendhidi2_insn,
7790 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
7791 input_operand for second operand.
7792 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
7793 reg_or_0_operand for operand 2 so new splits can use it.
7794 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
7795 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
7797 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
7798 CONST_DOUBLEs for operand 2.
7799 (define_insn move_label_di): Likewise and label distance
7800 optimization because it no longer works with new deferred case
7801 vector scheme. To be revisited.
7802 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
7803 and allow reg_or_0_operand and J constraint for second operand.
7804 (define_insn jump): Set branch predict taken on V9.
7805 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
7806 new deferred case vector scheme.
7807 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
7808 (define_insn negdi2_sp32): Force + implement splits.
7809 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
7810 one_cmplsi2_not_liveg0 respectively, and create expander of original
7811 names which emit special rtl for TARGET_LIVE_G0.
7812 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
7813 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
7814 gen_compare_reg, FAIL instead.
7815 (define_insn sgtu, sleu): Likewise and check gen_s*() return
7816 values when trying to reverse condition codes, if they FAIL then
7818 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
7819 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
7820 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
7821 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
7822 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
7823 set output string to # to indicate they are mandatory splits.
7824 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
7825 pic_sethi_di, move_pic_label_si): Remove.
7826 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
7827 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
7829 (define_expand movsi_pic_label_ref, define_insn
7830 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
7831 expander and insns to handle PIC label references and deferred
7833 (define_insn get_pc_via_rdpc): Comment out as it is no longer
7835 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
7836 Rewrite to not use emit_move_sequence, make use of new constant
7837 formation code, and new splits for all multi-insn cases.
7838 (define_insn movqi_insn): Remove sethi case, it can never happen.
7839 Use reg_or_zero_operand instead of const0_rtx explicit test,
7840 use input_operand instead of move_operand for source, and use
7841 general_operand now for dest.
7842 (define_insn movhi_insn): Similar but leave sethi case.
7843 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
7844 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
7845 movhi_lo_sum respectively, prettify output string.
7846 (define_insn movsi_zero_liveg0): New pattern to put zero into a
7847 register when needed on TARGET_LIVE_G0.
7848 (define_insn movsi_insn): Use general_operand and input_operand
7849 for dest and src respectively. Simplify applicability test.
7850 Prettify output strings, and add clr alternative for J
7852 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
7853 deprecated std and reg-reg DI moves): Remove and...
7854 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
7855 implementation which uses forced splits for all non-single insn
7857 (define_split DI move cases on !arch64): New splits to handle all
7858 situations of 64-bit double register DImode on 32bit, and
7859 unaligned registers and memory addresses for all subtargets.
7860 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
7862 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
7863 input_operand for dest and src respectively, prettify output
7865 (define_insn movdf_insn, movdf_no_e_insn, store_df,
7866 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
7868 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
7869 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
7870 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
7871 movtf_no_e_insn_sp64) Replace with new
7872 implementation which uses forced splits for all non-single insn
7874 (define_split DF move cases): New splits in similar vein to DI
7876 (define_insn sethi_di_medlow, sethi_di_medium_pic,
7877 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
7878 movdi_sp64_insn): Remove old v9 code model and constant loading
7880 (define_insn pic_lo_sum_di, pic_sethi_di,
7881 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
7882 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
7883 embmedany_sethi, embmedany_losum, embmedany_brsum,
7884 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
7885 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
7886 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
7887 scheme, using unspecs, secondary reloads, and one to one sparc
7888 insn to rtl insn mapping for better scheduling and code gen.
7889 (define_expand reload_indi, reload_outdi): Reload helpers for
7890 MEDANY and EMBMEDANY symbol address loading cases which require a
7892 (define_expand movsicc): Remove v8plus_regcmp cases.
7893 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
7894 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
7895 cmp_diqi_trunc_set): New patterns used by some of the new scc
7897 (define_insn xordi3_sp64_dbl): New pattern used for constant
7898 formation when crossing from 32-bit targets.
7899 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
7901 (define_insn addx, subx): Make visible and prettify.
7902 (define_insn adddi3_insn_sp32): Likewise and force split.
7903 (define_insn addx_extend, subx_extend, unnamed): New patterns for
7904 64bit scc split usage.
7905 (define_insn unnamed plusDI zero_extend, unnamed minusDI
7906 zero_extend, subdi3): Force and implement splits.
7908 * final.c (final_scan_insn): Don't output labels if target
7909 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
7912 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
7913 don't forget to walk inside SEQUENCESs too as these are what the
7914 delay slot scheduler will create.
7916 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
7918 * alpha.md (extxl+1,+2): New patterns to work around
7921 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
7923 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
7924 caused bad assembly code to be generated.
7926 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
7928 * netbsd.h: Fix typo.
7930 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
7932 * config.sub: Fix typo.
7934 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
7936 * invoke.texi (Environment Variables): Typo: Change "ascpects"
7938 (Running Protoize): Typo: Change "ther" into "other".
7940 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
7942 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
7943 * m68k/netbsd.h: Likewise.
7944 * ns32k/netbsd.h: Likewise.
7945 * sparc/netbsd.h: Likewise.
7947 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
7949 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
7950 * ginclude/va-clipper.h (va_list): Likewise.
7952 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
7954 * rs6000.c (rs6000_override_options): If big endian and -Os, use
7955 load/store multiple instructions unless user overrides.
7957 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
7959 * ns32k/netbsd.h: Fix typo.
7961 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
7963 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
7964 labels with .debugsym if no parallel insns.
7966 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
7968 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
7969 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
7971 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
7973 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
7974 (AR_FOR_TARGET): Define.
7976 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
7978 * dyn-string.h: New file.
7979 * dyn-string.c: Likewise.
7980 * Makefile.in (OBJS): Add dyn-string.o.
7981 (dwarf2out.o): Add dyn-string.h dependency.
7982 (dyn-string.o): List dependencies.
7983 * dwarf2out.c: Include dyn-string.h.
7984 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
7985 (addr_const_to_string): Take a dyn_string_t, not a char* as a
7986 prototype. Use dyn_string_append rather than strcat, throughout.
7987 (addr_to_string): Use dyn_string_t.
7989 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
7991 Function entry/exit profiling instrumentation:
7992 * expr.h (profile_function_entry_libfunc,
7993 profile_function_exit_libfunc): Declare new variables.
7994 * optabs.c: Define them here.
7995 (init_optabs): Initialize them.
7996 * tree.h (struct tree_decl): New flag
7997 no_instrument_function_entry_exit.
7998 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
7999 * c-decl.c (duplicate_decls): Merge it.
8000 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
8001 (init_attributes): Use it for "no_instrument_function".
8002 (decl_attributes): Handle it, for functions that have not yet been
8003 compiled. Set decl flag.
8004 * flags.h (flag_instrument_function_entry_exit): Declare new
8006 * toplev.c (flag_instrument_function_entry_exit): Define it here.
8007 (f_options): New option "instrument-functions".
8008 * function.h (struct function): New field instrument_entry_exit.
8009 * function.c (current_function_instrument_entry_exit): New
8011 (push_function_context_to, pop_function_context_from): Save and
8013 (expand_function_start): Set current_ variable, maybe emit return
8014 label and entry profile call.
8015 (expand_function_end): Maybe emit exit profile call.
8017 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
8019 * i386.md (movqi): When optimizing a load of (const_int 1) into a
8020 NON_QI_REG_P, pretend the register is SImode.
8022 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
8024 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
8025 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
8026 manufacturer id for ns32k.
8027 * configure: Regenerated.
8028 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
8029 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
8030 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
8031 * config/m68k/netbsd.h: Same.
8032 * config/ns32k/netbsd.h: Same.
8033 * config/sparc/netbsd.h: Same.
8035 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
8037 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
8038 or UNROLL_COMPLETELY loop that starts with a jump to its
8041 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
8043 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
8044 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
8045 (print_operand, case 'B'): Don't fall through.
8046 (print_operand, case 'S'): Correct mask begin/end computation.
8047 Use HOST_BITS_PER_WIDE_INT.
8048 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
8049 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
8050 * rs6000/aix41.h (CPP_PREDEFINES): Same.
8051 * rs6000/aix43.h (CPP_PREDEFINES): Same.
8053 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
8055 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
8056 constraint from second alternative.
8058 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8060 * configure.in: Fix --without/--disable cases for local-prefix,
8061 gxx-include-dir and checking.
8063 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8065 * configure.in (enable_haifa): Set by default for sparc64 too.
8068 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8070 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
8071 * i386/winnt.c (associated_type): New fn.
8072 (i386_pe_valid_type_attribute_p): New fn.
8073 (i386_pe_check_vtable_importexport): Remove.
8074 (i386_pe_dllexport_p): Use associated_type.
8075 (i386_pe_dllimport_p): Likewise.
8077 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
8078 * i386.c (i386_valid_type_attribute_p): Also accept
8079 attributes for METHOD_TYPEs.
8081 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
8083 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
8085 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
8087 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
8089 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
8090 them from generating a new base name for each occurence of
8093 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
8095 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
8097 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
8101 * cplus-dem.c (type_kind_t): New type.
8102 (demangle_template_value_parm): Add type_kind_t parameter. Rely
8103 on this paramter, rather than demangling the type again.
8104 (demangle_integral_value): Pass tk_integral.
8105 (demangle_template_: Pass the value returned from do_type.
8106 (do_type): Return a type_kind_t. Pass tk_integral to
8107 demangle_template_value_parm for array bounds.
8108 (demangle_fund_type): Likewise.
8110 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
8112 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
8115 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
8117 * pa.c (move_operand): Accept CONSTANT_P_RTX.
8119 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
8121 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
8123 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
8126 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
8128 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
8129 (DEBUGGER_ARG_OFFSET): Likewise.
8131 * mn10300.md (movsf): Remove last change. Not needed.
8133 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
8135 * c-lex.c (yylex): Fix boundary conditions in character literal and
8136 string literal loops.
8138 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
8140 * longlong.h (count_leading_zeros): Sparclite scan instruction was
8141 being invoked incorrectly.
8143 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
8144 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
8146 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
8147 * configure.in: Added i[34567]86-*-win32
8148 * config.sub: Ditto.
8149 * configure: Rebuilt.
8151 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
8153 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
8154 the frame pointer and compiling PIC code and reload has not completed.
8156 * i386.c (output_to_reg): Add code to emulate non-popping DImode
8159 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
8161 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
8163 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8165 * Makefile.in (install-info): Only try to update the info
8166 directory file if it exists in the first place.
8168 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
8170 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
8172 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
8174 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
8175 CONST_DOUBLE source.
8177 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
8179 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
8180 strings as the insertion of USER_LABEL_PREFIX.
8181 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
8183 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
8186 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
8188 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
8189 already defined type.
8191 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
8193 * expr.c (check_max_integer_computation_mode): Allow conversions
8194 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
8195 (expand_expr): Likewise.
8197 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8199 * expr.c (expand_expr): Expand RETURN_EXPR.
8201 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
8203 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
8205 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
8207 * dwarf2out.c (output_aranges): Call stripattributes
8208 for TEXT_SECTION references.
8209 (output_line_info): Likewise.
8211 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8213 * profile.c (branch_prob): Call allocate_reg_info after outputting
8214 profile rtl in instrument_arcs.
8216 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
8218 * fixinc.irix (math.h): Install wrapper instead of copying.
8220 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8222 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
8223 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
8224 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
8225 lang_flag_0. Added documentation in the flag table.
8227 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
8229 * cccp.c (do_include): Fix vax c style include handling.
8231 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8233 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
8235 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
8237 * fold-const.c (non_lvalue): Don't deal with null pointer
8239 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8241 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
8243 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
8244 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
8245 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
8246 (u_short_cint_operand): Same.
8247 (reg_or_cint_operand): Same.
8248 (logical_operand): Same.
8249 (input_operand): Same.
8250 (reg_or_short_operand): Use u_short_cint_operand.
8252 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
8254 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
8255 but keep the insns and splits. Adjust so when the ultimate destination
8256 is memory, use cvtql.
8258 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
8260 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
8262 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
8264 * gcc.c (do_spec): Call "error" not "warning".
8266 * configure.in: Fix minor problems with gas feature detection code.
8267 * configure: Rebuilt.
8269 * gcc.c (do_spec): Issue a warning for '%[]' usage.
8272 * gcc.c: Delete %[spec] support.
8273 (do_spec_1, case '('): Likewise.
8274 (do_spec_1, case '['): Call error.
8276 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
8278 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
8279 (CPP_SUBTARGET_SPEC): Default to empty string.
8280 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
8281 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
8282 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
8283 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
8285 * alpha/linux.h (CPP_PREDEFINES): Tidy.
8286 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
8287 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
8288 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
8289 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
8290 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
8291 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
8292 * alpha/vxworks.h: Likewise.
8294 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
8296 * mips.md (reload_outsi): Added missing REGNO call.
8297 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
8299 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
8300 another match_operator and compare the codes.
8302 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
8304 * MIPS multiply pattern fixes:
8305 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8306 Add union classes for HI, LO, or HILO plus general registers.
8307 (GENERATE_MADD): Deleted.
8308 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
8309 Add TARGET_MAD to condition.
8310 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
8311 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
8312 "*d" for accumulator, to give preference to LO initially but not
8315 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
8317 * configure.in (enable_c_mbchar): New configure option.
8318 (extra_cpp_objs): Always available now.
8320 * cexp.y (mbchar.h): #include it.
8321 (yylex): Handle Multibyte characters in character literals.
8323 * cccp.c (mbchar.h): #include it.
8324 (main): Set character set based on LANG environment variable.
8325 (rescan): Handle multibyte characters in comments.
8326 (skip_if_group): See above.
8327 (validate_else): See above.
8328 (skip_to_end_of_comment): See above.
8329 (macarg1): See above.
8330 (discard_comments): See above.
8331 (rescan): Handle multibyte characters in string and character literals.
8332 (collect_expansion): See above.
8333 (skip_quoted_string): See above.
8334 (macroexpand): See above.
8335 (macarg1): See above.
8336 (discard_comments): See above.
8337 (change_newlines): See above.
8339 * c-lex.c (mbchar.h): #include it.
8340 (GET_ENVIRONMENT): New macro.
8341 (init_lex): Set character set based on LANG environment variable.
8342 (yylex): Handle multibyte characters in character literals.
8343 (yylex): Handle multibyte characters in string literals.
8345 * Makefile.in (mbchar.o): New target.
8346 (cccp$(exeext)): @extra_cpp_objs@ is always available.
8347 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
8349 * mbchar.[ch]: New files for multibyte character handling.
8351 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8353 * jump.c (jump_optimize): When simplifying noop moves and
8354 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
8355 the PUSHes to rewrite in second loop as we did in the first.
8357 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8359 * cplus-dem.c (demangle_nested_args): Make function definition
8360 static to match the prototype.
8362 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
8364 * alloca.c: Respect USE_C_ALLOCA.
8365 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
8366 * gengenrtl.c (xmalloc): Likewise.
8368 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
8370 * loop.h (struct induction): Add no_const_addval.
8371 * loop.c (the_movables, reg_address_cost): New variables.
8372 (init_loop): Init reg_address_cost.
8373 (loop_optimize): Call end_alias_analysis.
8374 (scan_loop): Init the_movables.
8375 (record_giv): Init induction->no_const_addval.
8376 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
8377 [REG]: Rearrange loop search test to catch more cases.
8378 (general_induction_var): Return success not benefit; take an extra
8379 argument for that. Change all callers.
8380 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
8381 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
8382 [default]: Search the_movables for additional combinations.
8383 (sge_plus_constant, sge_plus): New functions.
8384 (express_from_1): New function.
8385 (express_from): Always define. Rewrite using express_from_1.
8386 (combine_givs_p): Handle more cases. Ignore address cost.
8387 (cmp_combine_givs_stats): New function.
8388 (combine_givs_used_once, combine_givs_benefit_from): New functions.
8389 (combine_givs): Rewrite to do best-fit combination.
8391 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
8392 (fold): Do a complete (A*C)+(B*C) association check.
8394 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
8396 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
8398 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
8400 * mn10300.c (MODES_TIEABLE_P): Fix typo.
8402 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
8404 * tree.c (valid_machine_attribute): Only create a new type variant if
8405 there is a decl to use it.
8407 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
8409 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
8412 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
8414 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
8417 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
8419 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
8420 Simplify tests for clearing an address register.
8421 (expand_prologue): Corresponding changes.
8423 * mn10300.md (movXX patterns): Make sure the destination is an
8424 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
8425 (logical patterns): Split into expanders + patterns
8426 (zero and sign extension patterns): Similarly.
8427 (shift patterns): Similarly.
8429 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8431 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8432 for the sequence, recording base values.
8434 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8436 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
8438 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
8440 * gcc.c: Remove ANSI-C ism from --help code.
8442 * toplev.c: Support --help with USE_CPPLIB.
8444 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
8446 * configure.in: Rework gas feature code to work with symlink based
8449 * extend.texi: Clarify some issues related to local variables
8450 assigned to explicit registers.
8452 * mn10300.md (mulsi): Turn into expander + pattern.
8454 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
8457 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
8459 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
8461 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
8463 * version.c: Bump again to distinguish mainline tree from the
8466 See ChangeLog.0 for earlier changes.
8469 add-log-time-format: current-time-string
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