1 Thu Mar 25 22:53:27 1999 Martin von Löwis <loewis@informatik.hu-berlin.de>
3 * gcc.texi (Copy Assignment): New node.
5 1999-03-25 Zack Weinberg <zack@rabi.columbia.edu>
7 * gcc.c: Compile unconditionally all code formerly dependent
8 on #ifdef LANG_SPECIFIC_DRIVER.
9 * gccspec.c: New file with stub lang_specific_driver,
10 lang_specific_pre_link.
11 * Makefile.in: Link gccspec.o into xgcc. Add rule to compile
13 Thu Mar 25 21:08:02 1999 Jason Merrill <jason@yorick.cygnus.com>
15 * gcc.texi (Temporaries): Update.
17 Thu Mar 25 16:53:53 1999 Richard Henderson <rth@cygnus.com>
19 * combine.c (distribute_notes): Place REG_LABEL also where
22 Thu Mar 25 12:46:37 1999 Jim Wilson <wilson@cygnus.com>
24 * a29k/a29k.h (TARGET_SWITCHES): Add doc strings.
25 * i960/i960.h (TARGET_SWITCHES): Add doc strings.
26 * invoke.texi (a29k): Add documentation for -mno-multm option.
28 Thu Mar 25 14:04:54 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
30 * rtl.texi (RTX_FRAME_RELATED_P): Add documentation.
31 * rtl.h (struct rtx_def): Update comment for frame_related field.
32 (set_unique_reg_note): Declare prototype.
33 * dwarf2out.c (dwarf2out_frame_debug_expr): Split out from
34 'dwarf2out_frame_debug' to handle only expressions, and process
35 component parts of a PARALLEL expression.
36 (dwarf2out_frame_debug): Process insns only, and call
37 new function 'dwarf2out_frame_debug_expr' for patterns.
38 * emit-rtl.c (set_unique_reg_note): New function to add a reg note,
39 but if there is an existingone, deletes it first.
40 * expmed.c (expand_mult, expand_divmod): Use set_unique_reg_note.
41 * optabs.c (add_equal_note, expand_binop): Use set_unique_reg_note.
42 (emit_no_conflict_block, emit_libcall_block): Use set_unique_reg_note.
43 (expand_fix): Use set_unique_reg_note.
45 Thu Mar 25 11:47:49 1999 Art Haas <ahaas@neosoft.com>
47 * tlink.c (symbol_hash_newfunc): Remove redundant call to
49 (file_hash_newfunc, demangled_hash_newfunc): Likewise.
51 Thu Mar 25 10:05:56 1999 Richard Henderson <rth@cygnus.com>
53 * i386.h (PREFERRED_STACK_BOUNDARY): Set to 128.
55 1999-03-25 Philip Blundell <pb@nexus.co.uk>
57 Based on patch from Jim Studt <jim@federated.com>:
58 * config/arm/linux-elf.h (STARTFILE_SPEC, ENDFILE_SPEC): Copy
59 definitions from config/linux.h.
60 (DBX_BLOCKS_FUNCTION_RELATIVE): Define to 1.
62 Thu Mar 25 02:12:42 1999 Finn Hakansson <finn@axis.com>
64 * loop.c (strength_reduce): Correct a comment.
66 * rtl.h (MEM_COPY_ATTRIBUTES): Remove unnecessary ending backslash.
68 Thu Mar 25 02:02:13 1999 Axel Thimm <Axel.Thimm@physik.fu-berlin.de>
70 * Makefile.in (RANLIB_TEST): Improve test.
72 Thu Mar 25 01:15:33 1999 Donn Terry <donn@interix.com>
74 * combine.c (force_to_mode, case PLUS): Use sign extended mask
75 when masking the low bits out of a constant.
77 Tue Mar 23 15:45:25 1999 Richard Earnshaw (rearnsha@arm.com)
78 Jeff Law <law@cygnus.com>
80 * fold-const.c (make_range): If orig_type is unset, set it as soon
81 as we know the type. Remove now unnecessary set of orig_type for
84 Wed Mar 24 23:27:25 1999 Mark Elbrecht <snowball3@usa.net>
85 Jeff Law <law@cygnus.com>
87 * system.h (STDIN_FILENO): Provide default definition if one is not
88 provided by the system header files.
89 (STDOUT_FILENO, STDERR_FILENO): Likewise.
91 * i386/xm-djgpp.h (COLLECT2_HOST_INITIALIZATION): New macro.
92 * collect2.c (main): Use it.
93 (pexecute_pid): New variable. Holds return value from call to pexecute.
94 (collect2_execute): Rework to use pexecute instead of fork.
95 (collect2_wait): Use pwait() instead of wait().
97 * i386/djgpp.h: Fix typo.
99 Wed Mar 24 23:24:30 1999 Jeffrey A Law (law@cygnus.com)
101 * fixinc/mkfixinc.sh: Recognize cygwin* instead of only
104 Wed Mar 24 15:44:12 1999 Nick Clifton <nickc@cygnus.com>
106 * config/m32r/m32r.c (init_idents): Accept both NAME and __NAME__
107 versions of attribute names and values.
108 (m32r_valid_machine_decl_attribute): Ditto.
109 (m32r_encode_section_info): Ditto.
111 Wed Mar 24 21:42:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
113 * reload1.c (choose_reload_regs): If output-reloading for a
114 simple move insn, try to inherit an equivalence for the input.
116 1999-02-24 Mike Stump <mrs@wrs.com>
118 * arm/aout.h (DBX_OUTPUT_MAIN_SOURCE_FILENAME): Fix quoting.
120 1999-03-24 Jim Blandy <jimb@zwingli.cygnus.com>
122 * libgcc2.c (__CTOR_LIST__, __DTOR_LIST__): Initialize on all
125 Wed Mar 24 01:35:01 1999 Geoff Keating <geoffk@ozemail.com.au>
127 * fold-const.c (fold): Recognise a rotate by an unsigned amount.
129 Tue Mar 23 23:32:14 1999 Jeffrey A Law (law@cygnus.com)
131 * pa.md (rotlsi3): New expander. Synthesize a variable rotate
132 left using a variable rotate right. Provide anonymous pattern for
133 rotate left by a constant value.
135 * expr.c (expand_assignment): Do not try to optimize a aggregate
136 address which has VOIDmode.
138 Tue Mar 23 22:51:48 1999 Mumit Khan <khan@xraylith.wisc.edu>
139 Donn Terry <donn@interix.com>
141 * protoize.c (abspath): Preserve multiple leading slashes for
144 1999-01-23 Mike Stump <mrs@wrs.com>
146 * arm/vxarm.h: Split out vxWorks support into separate headerfile
148 * arm/arm.c (cpu_defaults): Allow arm710 as default.
150 * configure.in: Split out vxWorks support for Arm.
151 * configure: Rebuilt.
153 Tue Mar 23 11:20:03 1999 Per Bothner <bothner@cygnus.com>
155 * tree.c (first_rtl_op, has_cleanups): Handle GOTO_SUBROUTINE_EXPR.
157 Tue Mar 23 09:00:39 1999 Nick Clifton <nickc@cygnus.com>
159 * config/arm/riscix1.h (SUBTARGET_SWITCHES): Add doc string.
160 * config/arm/riscix1-1.h (SUBTARGET_SWITCHES): Add doc string.
162 Tue Mar 23 07:50:20 1999 Mark Mitchell <mark@codesourcery.com>
164 * function.c: Include hash.h.
165 (insns_for_mem_entry): New struct.
166 (put_reg_into_stack): Take an optional hash-table mapping MEMs to
167 the INSNs that use them.
168 (fixup_var_refs): Likewise.
169 (put_addressof_into_stack): Likewise.
170 (purge_addressof_1): Likewise. Keep the hash-table up to date if
171 we add new instructions.
172 (fixup_var_refs_insns): Use it to avoid searching the entire
174 (insns_for_mem_newfunc): New function.
175 (insns_for_mem_comp): Likewise.
176 (insns_for_mem_walk): Likewise.
177 (compute_insns_for_mem): Likewise.
178 (pop_function_context_from): Pass NULL for the hash-table.
179 (put_var_into_stack): Likewise.
180 (gen_mem_addressof): Likewise.
181 (flush_addressof): Likewise.
182 (purge_addressof): Call compute_insns_for_mem to pre-compute the
184 * Makefile.in (OBJS): Include hash.o.
185 (function.o): Depend on hash.h.
187 Tue Mar 23 00:39:14 1999 Jeffrey A Law (law@cygnus.com)
189 * i386/openbsd.h (TARGET_DEFAULT): Use symbolic names instead of
191 * i386/netbsd.h, i386/freebsd.h: Likewise.
193 * crtstuff.c: Use ANSI function definitions. Fix minor whitespace
196 * i386/openbsd.h (TARGET_DEFAULT): Define.
197 * configure.in: Do not set TARGET_CPU_DEFAULT for x86 OpenBSD
199 * configure: Rebuilt.
201 Tue Mar 23 00:39:10 1999 John Wehle (john@feith.com)
203 * i386/freebsd.h (TARGET_DEFAULT): Define instead
204 of TARGET_CPU_DEFAULT.
205 * i386/netbsd.h (TARGET_DEFAULT): Likewise.
207 Mon Mar 22 23:52:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
208 Donn Terry <donn@interix.com>
210 * sdbout.c (syms.h): Don't include on Interix.
211 * toplev.c (main): No sbrk on Interix.
213 * configure.in: Add i386-pc-interix support.
214 * configure: Regenerate.
215 * fixinc.interix: New file.
216 * config/interix.h: New file.
217 * config/x-interix: New file.
218 * config/xm-interix.h: New file.
219 * i386/interix.h: New file.
220 * i386/interix.c: New file.
221 * i386/t-interix: New file.
223 Mon Mar 22 23:41:49 1999 Jeffrey A Law (law@cygnus.com)
225 * i386.h (PREFERRED_STACK_BOUNDARY): Define.
227 Mon Mar 22 23:41:31 1999 John Wehle (john@feith.com)
229 * i386.c (ix86_compute_frame_size): New function.
230 (ix86_prologue, ix86_epilogue): Use it.
231 * i386.h (INITIAL_ELIMINATION_OFFSET): Likewise.
232 * reload1.c: Provide default for PREFERRED_STACK_BOUNDARY.
234 Mon Mar 22 18:06:59 1999 Jim Wilson <wilson@cygnus.com>
236 * mips/mips.h (TARGET_SWITCHES, TARGET_OPTIONS): Add option doc
238 * mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Likewise.
240 Mon Mar 22 16:18:27 1999 Nick Clifton <nickc@cygnus.com>
242 * config/arm/elf.h (VALID_MACHINE_DECL_ATTRIBUTE): Do not bother
243 passing ATTRIBUTES to arm_valid_machine_decl_attribute.
245 * config/arm/coff.h (VALID_MACHINE_DECL_ATTRIBUTE): Do not bother
246 passing ATTRIBUTES to arm_valid_machine_decl_attribute.
248 * config/arm/arm.h (DEFAULT_RTX_COSTS): Do not bother passing
249 OUTER_CODE to arm_rtx_costs - it is not used.
250 (arm_compare_fp): Delete declaration.
251 (FINAL_PRESCAN_INSN): Do not bother passing OPVEC or NOPERANDS to
252 arm_final_prescan_insn - they are not used.
253 (const_ok_for_op): Remove prototype.
254 (arm_rtx_costs): Fix prototype.
255 (arm_valid_machine_decl_attribute): Fix prototype.
256 (final_prescan_insn): Fix prototype.
258 * config/arm/arm.md: Remove references to arm_compare_fp.
260 * config/arm/arm.c (arm_compare_fp): Delete.
261 (const_ok_for_op): Make function static. Add prototype. Remove
262 mode parameter - it is unused.
263 (arm_rtx_costs): Remove outer_code parameter.
264 (reload_memory_operand): Declare mode parameter unused.
265 (power_of_two_operand): Declare mode parameter unused.
266 (equality_operator): Declare mode parameter unused.
267 (load_multiple_operation): Declare mode parameter unused.
268 (store_multiple_operation): Declare mode parameter unused.
269 (multi_register_push): Declare mode parameter unused.
270 (arm_valid_machine_decl_attribute): Remove attributes parameter -
272 (select_dominance_cc_mode): Remove op parameter - it is unused.
273 (gen_compare_reg): Remove fp parameter - it is unused.
274 (final_prescan_insn): Remove opvec and noperands parameters - they
277 Mon Mar 22 14:35:28 1999 Nick Clifton <nickc@cygnus.com>
279 * tm.texi (MD_SCHED_INIT): Add missing closing parenthesis.
281 Mon Mar 22 22:24:30 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
283 * reload1.c (reload_as_needed): Set reload_is_output_reload /
284 reload_has_output_reload for auto_inc expressions that could be
285 reloaded. Call forget_old_reloads for REG_INC notes.
287 Mon Mar 22 21:51:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
289 * cse.c (cse_insn): Don't change the result register of a libcall.
291 Mon Mar 22 21:08:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
293 * rtl.h (shallow_copy_rtx): Declare.
294 * rtl.c (shallow_copy_rtx): New function.
295 * reload.c (find_reloads_toplev): Use shallow_copy_rtx instead of
298 Mon Mar 22 10:44:33 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
300 * config/h8300/h8300.md (adjust_length): New attribute.
301 (modhi3+1, andsi3+1, iorsi3+1, extzv+1, extzv+2): Change insn
302 default value of attribute "adjust_length" onto "no".
304 * config/h8300/h8300.c (h8300_adjust_insn_length): Adust
305 length only if the attribute "adjust_length" value is "yes".
306 Use 0 if the shift is negative.
308 * final.c (shorten_branches): Check insn length after its
311 Sun Mar 21 17:33:48 1999 Jeffrey A Law (law@cygnus.com)
313 * i860.h (TARGET_SWITCHES): Add documentation for default case.
314 * i860/paragon.h (TARGET_SWITCHES): Add documentation for default case.
315 * i370.h (TARGET_SWITCHES): Add documentation for default case.
316 * fx80.h (TARGET_SWITCHES): Add documentation for default case.
317 * elxsi.h (TARGET_SWITCHES): Add documentation for default case.
318 * clipper.h (TARGET_SWITCHES): Add documentation for default case.
319 * 1750a.h (TARGET_SWITCHES): Add documentation for default case.
320 * pa.h (TARGET_SWITCHES): Add documentation for default case.
321 (TARGET_OPTIONS): Likewise for default case.
322 * mn10300.h (TARGET_SWITCHES): Add documentation for default case.
323 * h8300.h (TARGET_SWITCHES): Add documentation for default case.
325 * gcse.c (dump_hash_table): Fix whitespace in declaration.
326 (compute_transpout): Renamed from pre_compute_transpout.
327 (compute_pre_*): Deleted
328 (pre_expr_reaches_here_p): New argument, CHECK_PRE_COMP. All
330 (insert_insn_end_bb): Renamed from pre_insert_insn.
331 (pre_*): Delete unused variables. Only leave local properties and
332 global redundant/optimal computation points.
333 (alloc_pre_mem, free_pre_mem): Corresponding changes.
334 (compute_pre_data): Simplify and call pre_lcm to run the lazy
335 code motion dataflow analysis.
336 (pre_insert, pre_insert_copies, pre_delete): Revamp to use LCM
337 based redundant and optimal computation points.
339 * basic-block.h (pre_lcm, pre_rev_lcm): Declare.
341 * toplev.c (main): A debug option without a level defaults to
344 Sun Mar 21 12:13:01 1999 Nick Clifton <nickc@cygnus.com>
346 * flow.c (can_delete_label_p): Do not allow user specified
347 labels to be deleted.
348 * dwarf2out.c (gen_label_die): Generate addresses for deleted
349 (programmer specified) labels.
350 * dwarfout.c (output_label_die): Generate addresses for deleted
351 (programmer specified) labels.
353 1999-03-21 Manfred Hollstein <manfred@s-direktnet.de>
355 * Makefile.in (xgcc$(exeext)): Add intl.o to list of files to be
358 Sun Mar 21 01:15:03 PST 1999 Jeff Law (law@cygnus.com)
360 * version.c: Bump for snapshot.
362 Sat Mar 20 22:26:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
364 * sparc.h (TARGET_SWITCHES): Add null description to default case.
366 Sat Mar 20 21:46:06 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
368 * c-lex.c (yylex): Remove unused variable `bytes'.
370 * flow.c (print_rtl_with_bb): Cast the return value of alloca.
372 * function.c (assign_parms): Wrap variable `varargs_setup' in
373 macro SETUP_INCOMING_VARARGS.
374 (thread_prologue_and_epilogue_insns): Mark parameter `f' with
377 * local-alloc.c (no_equiv): Likewise for parameter `store'.
379 * sched.c (schedule_insns): Remove unused variables `insn' and `next'.
381 * tlink.c (symbol_hash_newfunc, symbol_hash_lookup,
382 file_hash_newfunc, file_hash_lookup, demangled_hash_newfunc,
383 demangled_hash_lookup, symbol_push, symbol_pop, file_push,
384 file_pop, tlink_init, tlink_execute, frob_extension,
385 obstack_fgets, tfgets, pfgets, freadsym, read_repo_file,
386 maybe_tweak, recompile_files, read_repo_files,
387 demangle_new_symbols, scan_linker_output): Add static prototype.
389 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc):
390 Make the third argument a `hash_table_key'.
392 * toplev.c (debug_start_source_file): Mark parameter `filename'
393 with ATTRIBUTE_UNUSED.
395 Sun Mar 21 02:28:21 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
397 * tm.texi (Varargs): Don't split argument of @item across lines.
399 * invoke.texi: Fix use of @item vs @itemx.
401 Sun Mar 21 09:59:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
403 * config/c4x/c4x.h (TARGET_SWITCHES): Add null description to
406 Sat Mar 20 23:33:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
408 * loop.c (check_dbra_loop): Fix debug message.
410 Sat Mar 20 15:54:35 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
412 * config/c4x/c4x.md (decrement_and_branch_on_count): Emit rptb_end
413 pattern instead of decrement_and_branch_until_zero pattern.
415 Sat Mar 20 11:39:58 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
417 * config/c4x/c4x.h (TARGET_SWITCHES): Add documentation.
418 * config/c4x/c4x.h (TARGET_OPTIONS): Add documentation.
420 Fre Mar 19 23:26:29 1999 Martin von Löwis <loewis@informatik.hu-berlin.de>
422 * expr.c (expand_expr): Handle ERROR_MARK much earlier.
424 Fri Mar 19 15:28:38 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
426 * cccp.c (create_definition): Cast to U_CHAR* when assigning to one.
428 * cppfiles.c (read_and_prescan): Likewise.
429 Start a #define in column 0.
431 * cpplib.c (cpp_define): Cast to U_CHAR* when assigning to one.
432 (cpp_push_buffer): Likewise for cpp_buffer*.
433 (do_include): Change the type of `fbeg' and `fend' to unsigned char*.
434 (do_endif): Cast to char* when assigning to one.
435 (do_assert): Likewise.
436 (do_unassert): Likewise.
437 (cpp_read_check_assertion): Change the type of `name' to U_CHAR*.
438 Don't do unnecessary cast to char* anymore.
440 * genrecog.c (make_insn_sequence): Cast to char** when assigning
441 to one. Cast the first argument of bzero to PTR.
443 * loop.c (strength_reduce): Remove unused variable `note'.
445 * reload1.c (new_insn_chain): Cast to struct insn_chain* when
448 * rtl.c (copy_rtx): Use memcpy instead of bcopy.
450 Fri Mar 19 11:19:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
452 * calls.c (initialize_argument_information): Mark parameters
453 `num_actuals' and `n_named_args' with ATTRIBUTE_UNUSED.
455 * dbxout.c (dbxout_start_new_source_file): Likewise for parameter
457 (dbxout_finish): Likewise for parameters `file' and `filename'.
458 (dbxout_prepare_symbol): Likewise for parameter `decl'.
459 (dbxout_begin_function): Likewise.
461 * explow.c (hard_function_value): Likewise for parameter `func'.
463 * function.c (locate_and_pad_parm): Likewise for parameter `fndecl'.
465 * expmed.c (expand_divmod): Omit unused argument to `expand_abs'.
466 * expr.c (expand_expr): Likewise.
467 * expr.h (expand_abs): Delete unused argument from prototype.
468 * optabs.c (expand_abs): Remove unused parameter `unsignedp'.
470 * sdbout.c (sdbout_init): Mark parameter `syms' with ATTRIBUTE_UNUSED.
471 (sdbout_end_block): Likewise for parameter `n'.
473 * toplev.c (debug_define): Likewise for parameters `lineno' and
475 (debug_undef): Likewise.
477 * varasm.c (named_section): Likewise for parameter 'reloc'.
478 (assemble_external): Likewise for parameter `decl'.
479 (assemble_alias): Likewise for parameter `target'.
481 Fri Mar 19 01:54:30 1999 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
483 * toplev.c (read_integral_parameter): Constify. Better control of
485 (main): Use read_integral_parameter to set optimize, id_clash_len,
486 larger_than_size, and the debugging level.
487 * toplev.h (read_integral_parameter): Update prototype.
489 Fri Mar 19 01:42:05 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
491 * system.h: Use putc_unlocked, fputc_unlocked, and
492 fputs_unlocked only if putc_unlocked has a prototype already.
493 Prototype fputs_unlocked if necessary.
494 * configure.in: Check for prototypes of putc_unlocked and
496 * acconfig.h: Updated.
497 * config.in, configure: Rebuilt.
499 Fri Mar 19 02:45:12 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
501 * Makefile.in (INTL_TARGETS): new macro
502 ($(INTL_TARGETS)): depend on generated sources; drop dependencies
503 on cp/parse.c and objc/objc-parse.c
504 ($(srcdir)/cp/parse.c): move to cp/Make-lang.in
505 * objc/Make-lang.in ($(INTL_TARGETS)): depend on objc/objc-parse.c
507 Thu Mar 18 22:28:53 1999 Jeffrey A Law (law@cygnus.com)
509 * i860.h (TARGET_SWITCHES): Add documentation.
510 * i860/paragon.h (TARGET_SWITCHES): Add documentation.
511 * i370.h (TARGET_SWITCHES): Add documentation.
512 * fx80.h (TARGET_SWITCHES): Add documentation.
513 * elxsi.h (TARGET_SWITCHES): Add documentation.
514 * clipper.h (TARGET_SWITCHES): Add documentation.
515 * 1750a.h (TARGET_SWITCHES): Add documentation.
516 * pa.h (TARGET_SWITCHES): Add documentation.
517 (TARGET_OPTIONS): Likewise.
518 * mn10300.h (TARGET_SWITCHES): Add documentation.
519 * h8300.h (TARGET_SWITCHES): Add documentation.
521 Thu Mar 18 15:58:26 1999 Nick Clifton <nickc@cygnus.com>
523 * loop.c (strength_reduce): Do not perform pseudo replacements
524 if the loop contains volatile memory references.
526 Thu Mar 18 19:09:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
528 * reload.c (find_reloads_toplev): When processing X recursively,
529 don't alter it destructively except by filling in constants.
531 Thu Mar 18 10:14:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
533 * cccp.c (default_include): Initialize structure memebers.
534 (pass_thru_directive): Change the type of 'keyword_length' to int.
535 (main): Cast `bindtextdomain' and `textdomain' to (void).
537 * collect2.c (main): Likewise.
539 * cppmain.c (main): Likewise.
541 * gcc.c (main): Likewise.
543 * gcov.c (main): Likewise.
545 * protoize.c (main): Likewise.
547 * toplev.c (main): Likewise.
549 1999-03-18 Gavin Romig-Koch <gavin@cygnus.com>
551 * config/mips/mips.c (mips_explicit_type_size_string): Correct
554 Thu Mar 18 01:24:25 1999 Jeffrey A Law (law@cygnus.com)
556 * configure.in: Use "exit 1", not "exit (1)".
557 * configure: Rebuilt.
559 Wed Mar 17 23:17:42 1999 Mark Kettenis <kettenis@gnu.org>
561 * config/t-gnu (SYSTEM_HEADER_DIR): New variable. Set to
562 `/include' in order to find the system's limits.h.
564 Wed Mar 17 23:00:18 1999 Robert Lipe <robertlipe@usa.net>
566 * fixinc/fixincl.c: Include auto-host.h instead of config.h
567 * fixinc/procopen.c: Likewise.
568 * fixinc/regex.c: Likewise.
569 * fixinc/server.c: Likewise.
571 Wed Mar 17 22:46:13 1999 Mark Elbrecht <snowball3@usa.net.
573 * config/i386/go32.h: Delete.
574 * config/i386/djgpp.h: New. Renamed from go32.h.
575 Added -DDJGPP=2 to CPP_PREDEFINES.
576 * config/i386/go32-rtems.h: Delete.
577 * config/i386/djgpp-rtems.h: New. Renamed from go32-rtems.h.
578 Added -DDJGPP=2 to CPP_PREDEFINES.
579 * config/i386/xm-go32.h: Delete.
580 * config/i386/xm-djgpp.h: New. Renamed from xm-go32.h.
581 * config/i386/x-go32: Delete.
582 * config/i386/x-djgpp: New. Renamed from x-go32.
583 * config/i386/t-go32: Delete.
584 * config/i386/t-djgpp: New. Renamed from t-go32.
585 * configure.in(pc-msdosdjgpp): Set xm_file to i386/xm-djgpp.h.
586 Set tm_file to i386/djgpp.h. Set tmake_file to i386/t-djgpp.
587 Set xmake_file to i386/x-djgpp.
588 (*-go32-msdos, *-go32*): Remove entries. Warn that GO32/DJGPP V1.X
589 is now unsupported and *-pc-msdosdjgpp for DJGPP V2.X should be
591 * configure: Rebuilt.
593 * gcc.c (process_command): Dump link_command_spec too.
595 Wed Mar 17 20:38:08 1999 Jerry Quinn <jquinn@nortelnetworks.com>
596 Jeff Law <law@cygnus.com>
598 * pa.md: Add real PA8000 scheduling information.
600 * pa.h (processor_type): Add PROCESSOR_8000 symbol.
601 (ISSUE_RATE): Revamp, including PA8000 support.
602 * pa.c (override_options): Add 8000 as -mschedule= option.
603 Do not call strcmp if pa_cpu_string is null.
604 * pa.md (attr cpu): Add 8000.
605 * invoke.texi: Add documentation for PA8000 scheduling.
607 Wed Mar 17 18:20:24 1999 David S. Miller <davem@redhat.com>
609 * config/sparc/sparc.h (TARGET_SWITCHES, TARGET_OPTIONS):
611 * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
612 * config/sparc/splet.h (SUBTARGET_SWITCHES): Likewise.
614 Wed Mar 17 14:51:19 1999 Richard Henderson <rth@cygnus.com>
616 * flow.c (compute_immediate_dominators): New function.
617 * basic-block.h (compute_immediate_dominators): Declare it.
619 * alpha.h (HARD_REGNO_MODE_OK): Allow only 4 and 8 byte unit modes
621 (MODES_TIEABLE_P): Define asymmetricly wrt modes illegal in FP regs.
623 Wed Mar 17 14:41:41 1999 Nick Clifton <nickc@cygnus.com>
625 * config/arm/aout.h (ASM_GENERATE_INTERNAL_LABEL): Fix compile
627 * config/arm/arm.md: Fix various compile time warnings.
628 * config/arm/arm.h: Fix various compile time warnings. Add
630 * config/arm/arm.c: Fix various compile time warnings.
631 (arm_override_options): Reorganise to seperate tuning from
633 (bit_count): New function: Return a count of the number of bits
636 Wed Mar 17 21:29:12 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
638 * reload1.c (eliminate_regs): Don't keep REG_DEAD notes around for
639 things that were eliminated.
641 Wed Mar 17 12:16:26 1999 Richard Henderson <rth@cygnus.com>
643 * function.c (fixup_var_refs_1): First try moving the expression
644 directly into a register. Don't separate cc0 setter and user.
646 Wed Mar 17 11:20:29 1999 Dave Brolley <brolley@cygnus.com>
648 * cppfiles.c (PIPE_BUF): #define PIPE_BUF if not defined already.
650 Wed Mar 17 09:25:06 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
652 * c-lex.c: Don't include setjmp.h.
653 (parse_float): New static function.
654 (pf_args): New struct.
655 (yylex): Use them in call to `do_float_handler'.
657 1999-03-16 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
659 * cexp.y (yyerror): Call verror to get a usefull error message.
662 * .gdbinit: Move command to put breakpoint at abort to end of file
663 so that gdb does not bail out early.
665 Tue Mar 16 15:30:19 1999 Nick Clifton <nickc@cygnus.com>
667 * rtl.h: Rename prototype for free_bb_memory to free_bb_mem.
669 Tue Mar 16 23:40:09 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
671 * sh.md (movsi_i): Move t/r alternative after r/rI alternative.
673 Tue Mar 16 13:44:50 1999 Jim Wilson <wilson@cygnus.com>
675 * mn10200/mn10200.md (addsi3, subsi3, ashlsi3, lshrsi3, ashrsi3):
676 Delete emit_library_call_value declaration.
678 1999-03-16 16:06 -0500 Zack Weinberg <zack@rabi.columbia.edu>
680 * cppfiles.c (read_and_prescan): Map backslash-newline to '\r'
681 (which cannot otherwise appear in the processed buffer) and
682 move it out of tokens that it appears in the middle of.
684 (find_position): New function.
686 * cpplib.c: \r (one character) indicates backslash
687 newline, not \\\n (two characters). It cannot appear in the
688 middle of a token. Call CPP_BUMP_LINE (pfile) whenever
689 parsing moves past \n or \r. Increment pfile->lineno whenever
690 a \n is placed into token_buffer. Only one mark can exist at
691 a time, and CPP_BUMP_LINE must not be used while it is
692 active. It is automatically cleared by cpp_pop_buffer and
693 parse_goto_mark. \r is not in is_hor_space or is_space.
695 (NEWLINE_FIX, NEWLINE_FIX1, adjust_position,
696 update_position, count_newlines, parse_move_mark): Removed.
697 (parse_string, copy_comment): New functions.
698 (parse_name): Returns void.
699 (parse_set_mark, parse_clear_mark, parse_goto_mark): Take only
700 one argument, a cpp_reader *. Change for new marking scheme.
701 (skip_comment): Handle CHILL line comments too. Second
702 argument is now first character of comment marker; all callers
703 changed. Issue error for unterminated block comment here.
704 (cpp_skip_hspace): Recognize CHILL comments.
705 (copy_rest_of_line): Likewise. Call skip_comment and
706 parse_string directly, don't go through cpp_get_token. Emit
707 "/**/" for block comments if -traditional (create_definition
709 (do_define): Don't play with put_out_comments.
710 (cpp_push_buffer): Initialize ->mark to -1.
711 (cpp_buf_line_and_col): Just read out the values in the buffer
713 (output_line_command): Use cpp_buf_line_and_col. Fix
714 formatting. Remove stale code.
715 (cpp_get_token): Break out string parsing code to
716 parse_string. Use skip_comment for CHILL comments too. Use
717 copy_comment for put_out_comments instead of dinking with
718 marks. Remove stale code. Don't call output_line_command
719 unless it's necessary.
721 * cpplib.h (parse_marker): Removed.
722 (struct cpp_buffer): line_base is now a unsigned char *; add
723 `mark' [long], remove `marks' [struct parse_marker *].
724 (parse_set_mark, parse_clear_mark, parse_goto_mark): Update
726 (CPP_BUMP_LINE, CPP_BUMP_BUFFER_LINE): New macros.
727 * cppinit.c (is_hor_space, is_space): '\r' is not considered
729 * cppexp.c (cpp_parse_expression): Use cpp_skip_hspace, not
731 * cpphash.c (macarg): Disable line commands while expanding.
733 Tue Mar 16 11:30:19 1999 Gavin Romig-Koch <gavin@cygnus.com>
735 * c-lex.c (yylex) : Remove warning for integer literals being
736 larger than the largest target int. Add warning for integer
737 literal being larger than than its choosen type.
739 Tue Mar 16 10:53:17 1999 Gavin Romig-Koch <gavin@cygnus.com>
741 * invoke.texi: Add -mlong32 documentation.
742 * config/mips/mips.h (mips_explicit_type_size_string): New.
743 (TARGET_SWITCHES): Add 'long32'.
744 (TARGET_OPTIONS): Add 'explicit-type-size'.
745 (CC1_SPECS): Set -mexplicit-type-size.
746 (LONG_MAX_SPEC): Change a use of 'no-long64' to 'long32'.
747 * config/mips/abi64.h (LONG_MAX_SPEC): Same. Add 'mabi=32'.
748 * config/mips/mips.c (mips_explicit_type_size_string): New.
749 (override_options): Use it.
750 * config/mips/osfrose.h (CC1_SPECS): Set -mexplicit-type-size.
752 * config/mips/mips.h (SUBTARGET_CPP_SIZE_SPEC):
753 Pointer size now depends on both size longs and size of GP
756 Tue Mar 16 10:22:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
758 * config/mips/iris.h (CTORS_SECTION_ASM_OP,DTORS_SECTION_ASM_OP,
759 dtors_section): Use Pmode == DImode rather than TARGET_LONG64.
760 * config/mips/mips.c (override_options): Allow -mlong64 and
761 -mint64 with -mips2 or less.
762 * config/mips/mips.h (MASK_LONG64): Fix comment.
763 (POINTER_SIZE): Use Pmode == DImode rather than TARGET_LONG64.
764 (Pmode): Make Pmode the smaller of longs or gp registers.
765 * invoke.texi: Note the new size for pointers.
767 Mon Mar 15 22:45:25 1999 David Edelsohn <edelsohn@gnu.org>
769 * rs6000.h (ASM_OUTPUT_{DOUBLE,FLOAT}): Always generate IEEE 754
770 bit-pattern directly.
771 (ASM_OUTPUT_REG_{PUSH,POP}): Delete.
772 * rs6000.c (first_reg_to_save): If profiling and context needed,
773 allocate a reg to save static chain for all ABIs. For AIX
774 profiling, calculate parameter registers to save based on need.
775 (output_function_profiler): Save and restore static chain around
776 profile call for all ABIs.
778 1999-03-15 21:39 -0500 Zack Weinberg <zack@rabi.columbia.edu>
780 * cppinit.c: Instead of one pending list, keep separate lists
781 for each category of pending option: -D/-U, -A, -include,
782 -imacros. Move the four partial include-path lists into the
783 pending block. Use head and tail pointers so we don't ever
784 have to reverse the lists.
786 (cpp_start_read): Break out blocks of code to their own
787 functions: install_predefs and initialize_dependency_output.
788 Use path_include for C_INCLUDE_PATH and friends as well as
789 CPATH. Remove include_defaults gunk. Warn about the
790 combination of -lang-chill and -trigraphs. Optimize string
791 bashing. Walk each pending list once, deallocating as we go.
793 (append_include_chain): Brought over from cppfiles.c. Mark
794 dirs as system include dirs if and only if appending to
795 system include path. If opts->verbose, print a notice when a
796 dir is dropped from the include path because it doesn't
797 exist. Fix memory leak: this function is not supposed to copy
800 (nreverse_pending, push_pending): Removed.
801 (APPEND): New macro for adding to pending lists.
802 (path_include): Can now add to any partial include path.
803 (base_name): Bring over from cccp.c.
804 (cpp_options_init): Allocate the pending block.
805 (cpp_handle_option): Add --version. Exit after --help. Fix
806 formatting. Order -ifoo options by frequency of usage.
807 (install_predefs): New function, simplified version of code
808 that was in cpp_start_read.
809 (initialize_dependency_output): Likewise. Understand OBJECT_SUFFIX.
811 * cppfiles.c (simplify_pathname): Export.
812 (merge_include_chains): Don't nreverse the lists. If
813 opts->verbose, print a notice when a duplicate dir is detected
814 and dropped from the include path.
815 (finclude): Fix excessive cleverness in setting
817 (actual_directory): Set x->sysp from
818 CPP_BUFFER (pfile)->system_header_p so that one system header
819 may include another with "".
820 (deps_output): Fix double adjustment of deps_size which would
821 cause all dependencies after the first two lines to be lost.
823 * cpplib.c (cpp_unassert): New function.
824 * cpplib.h: Lay out struct cpp_pending here. Adjust
825 prototypes. Add include_prefix_len to struct cpp_options.
827 Mon Mar 15 16:01:52 1999 Jim Wilson <wilson@cygnus.com>
829 * config/misp/mips.h (REGISTER_MOVE_COST): Make the cost of moving
830 from HI/LO/HILO/MD into general registers the same as for one
831 of moving general registers to HI/LO/HILO/MD.
833 Mon Mar 15 12:39:38 1999 Nick Clifton <nickc@cygnus.com>
835 * config/m32r/m32r.c (init_idents): New function. Initialise
836 static tree nodes for m32r specific attribute identifiers. Remove
837 leading and trailing double underscores from the attribute names.
838 (m32r_valid_machine_decl_attribute): Call init_idents.
839 (m32r_encode_section_info): Call init_idents.
841 Mon Mar 15 10:20:20 1999 Mark Mitchell <mark@markmitchell.com>
843 * reload.c (find_reloads): Add a REG_LABEL note if we substitute a
844 LABEL_REF for something else.
846 Mon Mar 15 08:24:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
848 * fold-const.c (exact_real_inverse): Move variable `float_error'
849 into the scope where it is used.
850 (const_binop_1): New static function.
851 (cb_args): New struct.
852 (const_binop): Use them in call to `do_float_handler'.
853 (fold_convert_1): New static function.
854 (fc_args): New struct.
855 (fold_convert): Use them in call to `do_float_handler'.
857 Mon Mar 15 22:50:18 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
859 * rtlanal.c (auto_inc_p): New function.
860 * rtl.h (auto_inc_p): Prototype it.
861 * reload1.c (add_auto_inc_notes): New function.
862 (reload): Strip REG_INC notes and call add_auto_inc_notes
863 for each insn to restore them correctly.
865 1999-03-15 Manfred Hollstein <manfred@s-direktnet.de>
867 * fixinc/Makefile.in (procopen.o): List the actual
870 Sun Mar 14 16:22:10 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
872 * cse.c (check_fold_consts): New static function.
873 (cfc_args): New struct.
874 (simplify_relational_operation): Use them in call to
877 * toplev.c (do_float_handler): New function to wrap calls to
878 setjmp/set_float_handler.
880 * toplev.h (do_float_handler): Add extern prototype.
882 * tree.c (build_real_from_int_cst_1): New static function.
883 (brfic_args): New struct.
884 (build_real_from_int_cst): Use them in call to
887 Sun Mar 14 01:15:06 PST 1999 Jeff Law (law@cygnus.com)
889 * version.c: Bump for snapshot.
891 Sat Mar 13 17:37:18 1999 Richard Henderson <rth@cygnus.com>
893 * haifa-sched.c (sched_analyze_1): Only clear reg_last_uses on a SET.
895 Sat Mar 13 11:36:16 1999 Richard Earnshaw (rearnsha@arm.com)
897 * arm.c (arm_split_constant): Don't try to force a constant to
898 memory after arm_reorg has run.
899 (after_arm_reorg): New static variable.
901 (output_func_epilogue): Clear it.
903 Fri Mar 12 20:26:32 1999 David Edelsohn <edelsohn@gnu.org>
905 * configure.in ({rs6000,powerpc}-ibm-aix*): Set float_format to none.
906 * configure: Rebuilt.
908 Fri Mar 12 20:45:30 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
910 * unroll.c (loop_iterations): Don't return a final value for EQ
913 Fri Mar 12 12:35:01 1999 Jim Wilson <wilson@cygnus.com>
915 * reload1.c (calculate_needs_all_insns): When ignore equivalence
916 setting insn, clear need_elim, need_reload, and need_operand_change.
918 Fri Mar 12 07:54:43 1999 Bruce Korb <korb@datadesign.com>
920 * fixinc/fixinc.*: Some changes from the fixincl-branch
921 were not applied (??!!). Corrected.
923 * fixinc/Makefile.in: same thing.
925 Fri Mar 12 00:51:43 1999 Jeffrey A Law (law@cygnus.com)
927 * expr.c (expand_expr): Allow a CALL_EXPR with a mode wider than
928 MAX_INTEGER_COMPUTATION_MODE.
930 Thu Mar 11 14:00:58 1999 Richard Henderson <rth@cygnus.com>
932 * alpha.h (HARD_REGNO_MODE_OK): Disallow QI/HImode in fp regs.
933 (MODES_TIEABLE_P): Update.
935 * alpha.md (ev5_e0): Conflict loads and stores.
937 Thu Mar 11 13:55:52 1999 Richard Henderson <rth@cygnus.com>
939 * machmode.h (smallest_mode_for_size): Prototype.
940 * stor-layout.c (smallest_mode_for_size): Remove static.
942 Thu Mar 11 21:25:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
944 * loop.c (strength_reduce): Don't do biv increment -> DEST_REG giv
945 conversion if we don't know the lifetime.
947 Thu Mar 11 20:37:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
949 * reload.1c (delete_address_reloads_1): Check for reloads of
950 CURRENT_INSN even if it sets DST.
952 Thu Mar 11 10:29:50 1999 Jason Merrill <jason@yorick.cygnus.com>
954 * dwarf2out.c (add_AT_lbl_offset): Rename from add_AT_section_offset.
955 (print_die, size_of_die, value_format, output_die): Adjust.
957 Thu Mar 11 10:27:42 1999 Robert Lipe <robertlipe@usa.net>
959 * dwarf2out.c (TEXT_SECTION_LAABEL, DEBUG_LINE_SECTION_LABEL,
960 DEBUG_INFO_SECTION_LABEL, ABBREV_SECTION_LABEL,
961 text_section_laabel, debug_line_section_label,
962 debug_info_section_label, abbrev_section_label): New.
963 (output_compilation_unit_header): Emit label associated
964 with section instead of section name itself.
965 (out_pubnames, output_aranges, output_line_info,
966 dwarf2out_finish): Likewise.
967 (dwarf2out_init): Build internal label names for sections
970 Thu Mar 11 17:28:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
972 * sh.md (mulsi3): End mul.l sequence with a no-op move.
974 Thu Mar 11 08:52:02 1999 Bruce Korb <korb@datadesign.com>
976 * Makefile.in: activated fixinc/mkfixinc.sh
977 * configure.in: activated fixinc/mkfixinc.sh
979 Thu Mar 11 01:38:02 1999 Mumit Khan <khan@xraylith.wisc.edu>
981 * cppfiles.c (INO_T_EQ): Handle UWIN.
983 * c-common.c (decl_attributes): Flag unrecognized attribute
984 functions as warnings instead of as errors.
986 Support for i386-pc-uwin.
987 * i386/uwin.h: New file.
988 * i386/xm-uwin.h: New file.
989 * i386/t-uwin: New file.
990 * i386/uwin.asm: New file.
991 * configure.in (i[3456]86-*-uwin*): Define.
992 Add Workaround for vfork bug when hosted on uwin.
993 * configure: Regenerate.
995 * cccp.c (INO_T_EQ): Undefine. UWIN has inodes.
996 (absolute_filename): UWIN uses POSIX pathnames only.
997 * libgcc2.c (getpagesize): Do not define for UWIN.
998 (mprotect): Likewise.
999 * protoize.c (dirent.h): Conditionally include.
1000 (fputc): Prototype only if it's not a macro.
1002 Wed Mar 10 02:49:04 1999 Jason Merrill <jason@yorick.cygnus.com>
1004 * configure.in: Remove init_priority stuff.
1006 1999-03-11 Colin Smith <colin@wrs.com>
1008 * sdbout.c (plain_type_1): Make boolean types work better with sdb.
1010 Thu Mar 11 00:20:52 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
1012 * gcc.texi: Update bug reporting instructions to match
1013 current ezmlm list reality.
1015 Wed Mar 10 23:11:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1017 * gcc.c (print_file_name, print_prog_name, spec_machine,
1018 read_specs, set_spec, lookup_compiler, build_search_list,
1019 putenv_from_prefixes, find_a_file, record_temp_file,
1020 delete_if_ordinary, handle_braces, do_spec, do_spec_1, find_file,
1021 is_directory, validate_switches, used_arg, default_arg,
1022 pfatal_with_name, perror_with_name, pfatal_pexecute, fatal, error,
1023 notice, add_preprocessor_option, add_assembler_option,
1024 add_linker_option, process_command, execute,
1025 unused_prefix_warnings, clear_args, fatal_error,
1026 lang_specific_driver, user_specs, compiler, link_command_spec,
1027 option_map, translate_options, make_temp_file, temp_name,
1028 programname, path_prefix, machine_suffix, just_machine_suffix,
1029 gcc_exec_prefix, standard_exec_prefix, standard_exec_prefix_1,
1030 md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1,
1031 standard_startfile_prefix, standard_startfile_prefix_1,
1032 standard_startfile_prefix_2, tooldir_base_prefix, tooldir_prefix,
1033 multilib_dir, temp_filename, temp_file, command, switchstr,
1034 infile, outfiles, input_filename, input_basename, input_suffix,
1035 check_live_switch, main): Qualify a char* with the `const' keyword.
1037 Wed Mar 10 20:28:29 1999 Jeffrey A Law (law@cygnus.com)
1040 * Makefile.in (OBJS): Add lcm.o
1041 (lcm.o): Add dependencies.
1043 * gcse.c (compute_pre_local_properties): Delete.
1044 (compute_pre_data): Use compute_local_properties instead of
1045 compute_pre_local_properties.
1047 * gcse.c: More comments, whitespace and similar fixes.
1048 (dump_cuid_table, maybe_set_rd_gen, dump_cprop_data): Delete.
1049 (dump_pre_data, compute_cprop_local_properties): Likewise.
1050 (one_classic_gcse_pass): Lose unused argument. All callers changed.
1051 (compute_hash_table, compute_expr_hash_table): Likewise.
1052 (compute_set_hash_table, one_pre_gcse_pass, mark_call): Likewise.
1053 (cprop_insn, cprop, one_cprop_pass): Add new argument ALTER_JUMPS.
1054 All callers changed. Only alter jumps if ALTER_JUMPS is nonzero.
1055 Lose unused argument.
1056 (gcse_main): Always run a cprop pass after finishing global cse.
1057 (compute_local_properties): New function.
1058 (hash_scan_pat, hash_scan_insn): No longer call maybe_set_rd_gen.
1059 (compute_cprop_data): Use compute_local_properties.
1061 * gcse.c: Update various comments.
1062 (current_function_calls_longjmp): Delete declaration.
1064 * gcse.c (run_jump_opt_after_gcse): New variable.
1065 (gcse_main): Returns an integer.
1066 (hash_scan_set): Record initializations from CONST_DOUBLEs too.
1067 (try_replace_reg): Update some comments.
1068 (cprop_insn): Allow propagation into some JUMP_INSNs too.
1069 * rtl.h (gcse_main): Update prototype.
1070 * toplev.c (rest_of_compilation): If gcse_main returns nonzero,
1071 then run a jump optimization pass.
1072 * jump.c (delete_barrier_successors): Delete nop jumps too.
1074 Wed Mar 10 19:04:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1076 * sh.c (fp_arith_reg_operand): Actually test if reg is suitable
1077 for FP arithmetic. Changed caller.
1078 * sh.md (subsf3, subsf_i): Use fp_arith_reg_operand.
1080 Wed Mar 10 18:56:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1082 * reload1.c (choose_reload_regs): When inheriting from the frame
1083 pointer, don't clobber it.
1085 Wed Mar 10 08:01:52 1999 Bruce Korb <korb@datadesign.com>
1087 * fixinc/fixinc.*: Resync-ed with the files in this
1090 * fixinc/mkfixinc.sh: the machine case elements were
1091 out-of-order. (the ix86-*-linux-gnu* entry needed to
1094 Wed Mar 10 00:01:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1096 * reload1.c (reload_combine_note_store): Fix calculation of number
1097 of affected registers.
1099 Tue Mar 9 15:48:15 1999 Richard Henderson <rth@cygnus.com>
1101 * flow.c (tidy_fallthru_edge): Be more careful finding the last
1102 BARRIER of a list. Delete the cc0 setter as well as a cond jump.
1104 Tue Mar 9 15:26:02 1999 Hans-Peter Nilsson <hp@bitrange.com>
1106 * i386.md (ashlsi3 splitter): Fix typo in last change.
1108 Tue Mar 9 11:35:20 1999 Richard Henderson <rth@cygnus.com>
1110 * reg-stack.c (stack_reg_life_analysis): Use returnjump_p
1111 instead of an explicit test for RETURN.
1113 Tue Mar 9 09:33:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1115 * Makefile.in (toplev.o): Depend on $(BASIC_BLOCK_H).
1117 * toplev.c: Include basic-block.h.
1119 Tue Mar 9 02:08:17 1999 Jeffrey A Law (law@cygnus.com)
1121 * calls.c (load_register_parameters): New function.
1122 (expand_call): Use it.
1124 * calls.c (expand_call): Slightly reorganize code.
1126 * calls.c (compute_argument_addresses): New function.
1127 (rtx_for_function_call): New function.
1128 (expand_call): Use them.
1130 * i386.md (zero_extendhisi2): Split into an expander and anonymous
1131 pattern. Add new anonymous pattern for use when optimizing for
1132 size or for the PPro.
1133 (zero_extendqihi2, zero_extendqisi2): Likewise.
1135 Mon Mar 8 23:43:47 1999 Richard Henderson <rth@cygnus.com>
1137 * haifa-sched.c (sched_analyze_1): Fix last change -- add clobber
1138 dependancies to sets in the non-hard-reg case too.
1140 Mon Mar 8 18:55:21 1999 Marc Espie <espie@cvs.openbsd.org>
1142 * config/openbsd.h (HANDLE_SYSV_PRAGMA): Define.
1144 Mon Mar 8 16:04:44 1999 Jim Wilson <wilson@cygnus.com>
1146 * local-alloc.c (combine_regs): Don't combine if we have a hard reg
1147 for which CLASS_LIKELY_SPILLED_P is true.
1149 * unroll.c (loop_iterations): Only call loop_find_equiv_value if we
1150 have a REG or SUBREG.
1152 Mon Mar 8 15:27:42 1999 Jeffrey A Law (law@cygnus.com)
1154 * i386.md (ashlsi3): Revise comments. Provide new anonymous
1155 pattern for Pentium and PPro/PII. Reverse constraints in
1156 generic ashlsi3 anonymous pattern.
1158 * calls.c (initialize_argument_info): Accept a pointer to
1160 (expand_call): Pass the address of CUMULATIVE_ARGS.
1162 * rs6000/xm-sysv4.h (HOST_BITS_PER_LONGLONG): Remove #if 0.
1164 * mn10300.h (CASE_DROPS_THROUGH): Delete.
1165 * mn10200.h (CASE_DROPS_THROUGH): Delete.
1166 * h8300.h (CASE_DROPS_THROUGH): Delete.
1168 * flow.c (merge_blocks_nomove): For HAVE_cc0 targets, make sure
1169 to also delete the cc0 setter when deleting a conditional branch
1172 Mon Mar 8 18:47:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1174 * regmove.c (copy_src_to_dest): New argument max_old_uid.
1176 Mon Mar 8 08:23:00 1999 Bruce Korb <korb@datadesign.com>
1178 * ChangeLog: merged entries from fixincl-branch
1180 Sun Mar 7 11:48:56 1999 Richard Henderson <rth@cygnus.com>
1182 * haifa-sched.c (ENCODE_BLOCKAGE): Don't shift unit too far.
1183 (print_exp): Special case addition of a constant.
1184 (print_value) [CONST_INT]: Use HOST_WIDE_INT_PRINT_HEX.
1186 Sun Mar 7 11:21:02 1999 Richard Henderson <rth@cygnus.com>
1188 * haifa-sched.c (reg_last_clobbers): New.
1189 (reg_pending_clobbers, bb_reg_last_clobbers): New.
1190 (compute_block_backward_dependences): Allocate memory for them.
1191 (schedule_region): Likewise.
1192 (sched_analyze_1): Clobbers don't interfere with one another.
1193 They do interfere with sets ...
1194 (sched_analyze_2): ... and uses.
1195 (sched_analyze): Likewise.
1196 (sched_analyze_insn): Update reg_last_clobbers appropriately.
1198 Sun Mar 7 08:30:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1200 * gmon-sol2.c: Include config.h and system.h. Don't redundantly
1201 include system header files.
1203 (moncontrol, monstartup, _mcleanup, internal_mcount): Prototype.
1204 (_mcleanup): Add the `const' keyword to a char*.
1205 (internal_mcount): Declare `etext' as a char[] not a function.
1206 Cast `etext' to char* when calling `monstartup'.
1208 * sparc.c (frame_base_name, save_regs, restore_regs,
1209 build_big_number, sparc_cmodel_string, sparc_align_loops_string,
1210 sparc_align_jumps_string, sparc_align_funcs_string, code_model,
1211 cpu_default, cpu_table, output_function_prologue,
1212 output_function_epilogue, output_return,
1213 sparc_flat_output_function_prologue, ultra_code_names,
1214 sparc_flat_output_function_epilogue): Constify a char*.
1215 (hypersparc_adjust_cost): Add a default case in a switch.
1217 * sparc.h (sparc_cmodel_string, OVERRIDE_OPTIONS,
1218 sparc_cpu_select, sparc_align_loops_string,
1219 sparc_align_jumps_string, sparc_align_funcs_string,
1220 output_return): Constify a char*.
1222 * sparc.md (movdi): Change the comparison of HOST_BITS_PER_WIDE_INT
1223 so that we check "== 32", instead of "!= 64". Cast a value to
1224 HOST_WIDE_INT when comparing against one. Hide the declaration
1225 for variable `chain'.
1227 Sun Mar 7 08:05:27 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1229 * system.h (const, inline): Move the stage2 handling of these
1230 keywords-as-macros from here...
1232 * gansidecl.h (const, inline): ...to here.
1234 Sun Mar 7 02:44:15 1999 Richard Henderson <rth@cygnus.com>
1236 * recog.c (push_operand, pop_operand): VOIDmode needn't match modes.
1238 Sun Mar 7 01:58:47 1999 Richard Henderson <rth@cygnus.com>
1240 * cse.c (canon_hash): Never reject hard regs in CCmode.
1242 Sun Mar 7 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
1244 * version.c: Bump for snapshot.
1246 Sat Mar 6 17:18:44 1999 Richard Earnshaw (rearnsha@arm.com)
1247 Richard Henderson <rth@cygnus.com>
1249 * flow.c (make_edges): Handle casesi that jump to default branch.
1250 If CASE_DROPS_THROUGH, force fallthru to block after casesi.
1252 Sat Mar 6 07:49:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1254 * c-aux-info.c (data_type, affix_data_type, gen_decl,
1255 gen_formal_list_for_type, gen_formal_list_for_func_def, gen_type):
1256 Qualify a char* with the `const' keyword.
1258 * c-common.c (declare_hidden_char_array, add_attribute, if_elt,
1259 declare_function_name, decl_attributes, format_char_info,
1260 check_format_info, binary_op_error): Likewise.
1262 * cexp.y (yyerror, error, pedwarn, warning, token): Likewise.
1264 * gcse.c (dump_hash_table): Likewise.
1266 * integrate.c (function_cannot_inline_p): Likewise
1268 * optabs.c: Include insn-config.h earlier.
1269 (init_libfuncs, init_integral_libfuncs, init_floating_libfuncs):
1270 Qualify a char* with the `const' keyword.
1272 * real.c (asctoe24, asctoe53, asctoe64, asctoe113, asctoe,
1273 asctoeg, mtherr, ereal_atof): Likewise.
1275 * real.h (ereal_atof): Likewise.
1277 * sbitmap.c (dump_sbitmap_vector): Likewise.
1279 * sbitmap.h (dump_sbitmap_vector): Likewise.
1281 * stmt.c (nesting, n_occurrences, expand_start_case): Likewise.
1283 * toplev.c (rest_of_compilation): Likewise.
1285 * tree.h (function_cannot_inline_p, expand_start_case): Likewise.
1287 Fri Mar 5 23:16:42 1999 David Edelsohn <edelsohn@gnu.org>
1289 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Add 64-bit support and do
1290 not overwrite AIX link register save area.
1292 Fri Mar 5 23:08:01 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1294 * reload.c (find_reloads_subreg_address): Actually create the USE
1295 for the register, not the new memory location.
1297 Fri Mar 5 21:41:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1299 * reload1.c (emit_reload_insns): If pseudo that can't be replaced
1300 with its equivalent constant, fall back to reload_in.
1302 Fri Mar 5 13:20:39 1999 Richard Henderson <rth@cygnus.com>
1304 * Makefile.in: Delete .flow2 debugging files.
1306 Fri Mar 5 11:36:11 1999 Nick Clifton <nickc@cygnus.com>
1308 * config/arm/arm.c (arm_override_options): Change default target
1309 cpu selection so that enabling TARGET_APCS_32 does not override
1312 Fri Mar 5 19:26:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1314 * sh.h (SLOW_BYTE_ACCESS): Define to 1.
1315 (BOOL_TYPE_SIZE): Define.
1317 Fri Mar 5 02:14:54 1999 John Wehle (john@feith.com)
1319 * function.c (assign_stack_temp_for_type): Abort
1320 if mode == Blkmode and align is less than
1321 BIGGEST_ALIGNMENT / BITS_PER_UNIT.
1322 (assign_stack_temp_for_type): Round the size parameter
1323 passed to assign_stack_local instead of size itself.
1325 Thu Mar 4 15:00:35 1999 Richard Henderson <rth@cygnus.com>
1327 * flow.c (delete_unreachable_blocks): Mark blocks as they
1328 are put on to the worklist, not as they are taken off.
1330 Thu Mar 4 00:05:44 1999 Jeffrey A Law (law@cygnus.com)
1332 * function.c (current_function_has_computed_jump): Remove duplicate
1335 Wed Mar 3 19:09:11 1999 Jim Wilson <wilson@cygnus.com>
1337 * m68k/m68020-elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Undef.
1338 (STARTFILE_SPEC, ENDFILE_SPEC): Define to empty string.
1340 * sparc/elf.h (MULDI3_LIBCALL, DIVDI3_LIBCALL, UDIVDI3_LIBCALL,
1341 MODDI3_LIBCALL, UMODDI3_LIBCALL, STDC_0_IN_SYSTEM_HEADERS): Undef.
1342 (INIT_SUBTARGET_OPTABS): Define to empty.
1344 Wed Mar 3 00:00:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1346 * sh.c (force_into): New function.
1347 (expand_block_move): Use it.
1349 Tue Mar 2 10:39:43 1999 Nick Clifton <nickc@cygnus.com>
1351 * cccp.c (struct default_include): Add 'included' field.
1352 (main): Set 'included' field when a default include directory
1353 is added to the chain. If -v is specified list all default
1354 include directories which do not get appended to the chain.
1356 Tue Mar 2 09:24:10 1999 Nick Clifton <nickc@cygnus.com>
1358 * configure.in (gxx_include_dir): Rename to
1359 gcc_gxx_include_dir in order to prevent it being overridden by
1360 a top level Makefile.
1361 (gcc_tooldir): If $exec_prefix != $prefix then use the
1362 difference between the two as the basis for gcc_tooldir.
1364 * configure: Rebuild.
1366 * Makefile.in: Rename gxx_include_dir to gcc_gxx_include_dir.
1368 Tue Mar 2 16:45:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1370 * unroll.c (copy_loop_body): Don't make extra copies of
1371 NOTE_INSN_LOOP_CONT notes.
1373 Tue Mar 2 07:44:56 1999 Mark Mitchell <mark@markmitchell.com>
1375 * tree.c (save_tree_status): Don't treat functions with no context
1378 Tue Mar 2 09:37:05 1999 Robert Lipe <robertlipe@usa.net>
1380 * Makefile.in (MAKEINFO): Use makeinfo built from sibling
1381 tree when available.
1383 Tue Mar 2 10:12:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1385 * alpha.c (alpha_cpu_name, alpha_cpu_string, alpha_tp_string,
1386 alpha_fprm_string, alpha_fptm_string, alpha_mlat_string,
1387 current_function_file): Add the `const' keyword.
1388 (normal_memory_operand): Mark parameter `mode' with
1390 (alpha_expand_unaligned_load): Add a default case to a switch.
1392 * alpha.h (alpha_cpu_string, alpha_fprm_string, alpha_fptm_string,
1393 alpha_tp_string, alpha_mlat_string): Add the `const' keyword.
1394 (normal_memory_operand): Add prototype.
1396 * alpha.md: Cast an expression to `unsigned HOST_WIDE_INT' when
1397 comparing against one.
1399 Tue Mar 2 10:00:21 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1401 * mips.c (abort_with_insn): Make function static, add a prototype,
1402 constify 2nd parameter and mark with ATTRIBUTE_NORETURN.
1403 (current_function_file, mips_cpu_string, mips_isa_string,
1404 mips_abi_string, mips_no_mips16_string, mips_entry_string,
1405 mips_move_1word, mips_move_2words, output_block_move, load_store,
1406 override_options, make_temp_file, mips16_fp_args): Qualify a char*
1407 with the `const' keyword.
1409 * mips.h (current_function_file, mips_cpu_string, mips_isa_string,
1410 mips_abi_string, mips_entry_string, mips_no_mips16_string,
1411 mips_move_1word, mips_move_2words, output_block_move): Likewise.
1412 (abort_with_insn): Remove extern prototype.
1414 * mips.md: Qualify a char* with the `const' keyword.
1415 Remove many unused variables named `label'.
1417 Tue Mar 2 01:27:52 1999 H.J. Lu (hjl@gnu.org)
1419 * Makefile.in (cpp_install_dir, INSTALL_CPP, UNINSTALL_CPP): New
1421 (install-cpp, uninstall-cpp): New targets.
1422 (install-normal): Depend on $(INSTALL_CPP).
1423 (uninstall): Depend on $(UNINSTALL_CPP).
1424 * configure.in (cpp_install_dir): New, substitute.
1425 (tmake_file): Added t-install-cpp for --enable-cpp.
1426 * configure: Rebuilt.
1427 * cpp.sh: New cpp script.
1428 * config/t-install-cpp: New target fragment.
1430 Tue Mar 2 01:40:01 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1431 Jeffrey A Law (law@cygnus.com)
1433 * cse.c (fold_rtx): Update comments for (const (minus (label) (label)))
1435 (cse_insn): Avoid creating a bogus REG_EQUAL note for
1436 (const (minus (label) (label)))
1437 (record_jump_cond): Fix mismatched paren in comment.
1439 Tue Mar 2 01:07:12 1999 Dan Nicolaescu <dann@godzilla.ics.uci.edu>
1441 * final.c (end_final): There are 11 words in the "main header"
1444 Tue Mar 2 00:09:18 1999 Marc Espie <espie@cvs.openbsd.org>
1446 * extend.texi: Reference __extension__ in the index.
1448 Mon Mar 1 19:09:32 1999 Jim Wilson <wilson@cygnus.com>
1450 * Makefile.in (CROSS_FLOAT_H): Delete.
1451 (FLOAT_H): Use float_h_file.
1452 (rest.cross, stmp-int-hdrs): Delete gfloat.h dependency.
1454 (stmp-int-hdrs): Use FLOAT_H instead of gfloat.h.
1455 (mostlyclean): Delete gloat.h reference.
1456 (install-cross-rest, install-float-h-cross, stmp-headers): Update
1458 * configure.in (sparcv9-*-solaris2*): Set float_format to none.
1459 (sparc-*-solaris2*): Set float_format to none for 2.5 and higher.
1460 (float_h_file): Set from float_format. Substitute into Makefile.in.
1461 (float_format): No longer substitute into Makefile.in.
1462 * cross-make (FLOAT_H): Delete.
1463 * config/mips/t-cross64 (FLOAT_H): Delete.
1464 * configure: Rebuilt.
1466 Mon Mar 1 16:36:18 1999 Jeffrey A Law (law@cygnus.com)
1468 * mips.md (div_trap_normal, div_trap_mips16): Require the dependent
1469 insn to be an INSN before looking at its pattern.
1471 Mon Mar 1 15:03:51 1999 Jim Wilson <wilson@cygnus.com>
1473 * config/m68k/lb1sf68.asm (udivsi3): Change jmi to jcs. Fix comments.
1474 * config/m68k/m68k.h (LEGITIMATE_INDEX_REG_P): Reject SIGN_EXTEND of
1475 HImode reg when TARGET_5200.
1477 Mon Mar 1 21:44:30 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1479 From Toshiyasu Morita:
1480 * sh.h (CACHE_LOG): SH2 has cache, too.
1482 Mon Mar 1 14:23:36 1999 Catherine Moore <clm@cygnus.com>
1484 * toplev.c (compile_file): Disable -ffunction-sections and
1485 debugging warning if the object format is elf.
1487 Mon Mar 1 11:46:25 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
1489 * config/h8300/h8300.c (print_operand): Use 16 bit addressing
1490 when the data in 8-bit area and can not be addressed by 8-bit.
1492 Sun Feb 28 16:40:00 1999 Richard Henderson <rth@cygnus.com>
1494 * flow.c (create_basic_block): Disregard integrated bb notes.
1496 Sun Feb 28 15:57:06 1999 Richard Henderson <rth@cygnus.com>
1498 * sparc.md (blockage, nonlocal_goto_receiver): Set length to 0.
1500 Sun Feb 28 14:47:53 1999 Arturo Montes <mitosys@colomsat.com.co>
1502 * config/i386/t-sco5gas (crti.o): New target.
1504 Sun Feb 28 15:10:17 1999 David Edelsohn <edelsohn@gnu.org>
1506 * rs6000.md (elf_high, movsi_got, *movsi_got_internal,
1507 *movsi_got_internal_mem, GOT splitter, movdf_hardfloat32,
1508 movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64,
1509 load_multiple, allocate_stack, call_indirect_aix32,
1510 call_indirect_aix64, call_value_indirect_aix32,
1511 call_value_indirect_aix64, call_indirect_nt,
1512 call_value_indirect_nt): Use gpc_reg_operand instead of
1515 Sun Feb 28 15:10:17 1999 Michael Meissner <meissner@cygnus.com>
1517 * rs6000.md (one_cmplsi2, andsi3, iorsi3, xorsi3, *eqvsi3,
1518 *andcsi3, *iorcsi3, *nandsi3, *norsi3): Add alternatives to use CR
1520 * rs6000.c (and{,64}_operand): If the user did -ffixed-cr0, don't
1521 allow andi. or andis. which always set cr0.
1523 Sun Feb 28 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
1525 * version.c: Bump for snapshot.
1527 Sun Feb 28 02:00:38 1999 Jeffrey A Law (law@cygnus.com)
1529 * invoke.texi: Update information for PA scheduling.
1531 Sat Feb 27 23:21:47 1999 Jerry Quinn <jquinn@nortelnetworks.com>
1532 Mike Stump <mrs@wrs.com>
1534 * pa.c (override_options): Change default to 7100LC
1536 * pa.h (REG_ALLOC_ORDER): Change order to allocate left half of
1537 float regs before right half of float regs.
1539 Sat Feb 27 22:48:38 1999 H.J. Lu (hjl@gnu.org)
1540 Jeffrey A Law (law@cygnus.com)
1542 * frame.h: Update some comments.
1543 * defaults.h (TARGET_ATTRIBUTE_WEAK): Define.
1544 * crtstuff.c (__register_frame_info, __deregister_frame_info): Declare
1545 using TARGET_WEAK_ATTRIBUTE.
1546 (__do_global_dtors_aux): Check if __deregister_frame_info is
1547 zero before calling it.
1548 (__do_global_dtors): Likewise.
1549 (frame_dummy): Check if __register_frame_info is zero before
1551 (__frame_dummy): Likewise.
1553 Sat Feb 27 19:18:24 1999 Jeffrey A Law (law@cygnus.com)
1555 * SERVICE: Update from the FSF.
1557 Sat Feb 27 14:31:22 1999 Arturo Montes <mitosys@colomsat.com.co>
1559 * config/i386/t-sco5 (crti.o): New target.
1560 * config/i386/sco5.h (STARTFILE_SPEC): Include crti.o when
1562 * configure.in (i[34567]86-*-sco3.2v5*): Add crti.o.
1564 Sat Feb 27 01:12:40 1999 Jeffrey A Law (law@cygnus.com)
1566 * md.texi (prologue,epilogue): Document named patterns.
1568 Fri Feb 26 19:31:25 1999 Dave Love <fx@gnu.org>
1570 * md.texi, invoke.texi: Fix unterminated @xrefs.
1572 Fri Feb 26 15:33:45 1999 Richard Henderson <rth@cygnus.com>
1574 * genattrtab.c (simplify_knowing): Fix uninitialized read
1577 * genextract.c (main): Clear recog_operands before extracting.
1579 Fri Feb 26 02:24:57 1999 Jeffrey A Law (law@cygnus.com)
1581 * c-pragma.c (add_weak); Delete. Moved into...
1582 * varasm.c (add_weak): New external function.
1583 (declare_weak): If HANDLE_PRAGMA_WEAK, then add the function to
1584 the list of weak functions.
1585 * c-pragma (add_weak): Declare.
1587 Thu Feb 25 23:43:59 1999 Richard Henderson <rth@cygnus.com>
1589 Flow rewrite to use basic block structures and edge lists:
1591 * basic-block.h (x_basic_block_head, x_basic_block_end): Kill.
1592 (basic_block_computed_jump_target, basic_block_live_at_start): Kill.
1593 (struct edge_def): New.
1594 (struct basic_block_def): New.
1595 (basic_block_info): New.
1596 (BLOCK_HEAD, BLOCK_END): Update.
1597 (ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): New.
1598 (uid_block_number): Kill.
1599 (basic_block_for_insn, BLOCK_FOR_INSN): New.
1600 (BLOCK_NUM): Update.
1601 * flow.c (XNMALLOC): Kill.
1602 (max_uid_for_flow): Kill.
1603 (uid_block_number): Kill.
1604 (uid_volatile): Turn into a bitmap.
1605 (SET_INSN_VOLATILE): New.
1606 (basic_block_info): New.
1607 (entry_exit_blocks): New.
1608 (x_basic_block_head, x_basic_block_end): Kill.
1609 (basic_block_computed_jump_target, basic_block_live_at_start): Kill.
1610 (flow_int_list_blocks, basic_block_succ, basic_block_pred): Kill.
1611 (basic_block_loop_depth): Kill.
1612 (basic_block_for_insn): New.
1613 (find_basic_blocks): Split out initial block counting into
1614 count_basic_blocks. Call functions split out of find_basic_blocks_1.
1615 (count_basic_blocks): New.
1616 (find_basic_blocks_1): Split out edge recognition, unreachable
1618 (create_basic_block): New.
1619 (compute_bb_for_insn): New.
1621 (free_bb_memory): Kill.
1622 (add_edge, add_edge_to_label): Kill.
1623 (mark_label_ref): Kill.
1624 (make_edges): Rewrite to use edge lists.
1625 (make_edge, make_label_edge): New.
1626 (mark_critical_edges): New.
1627 (split_edge, insert_insn_on_edge): New.
1628 (commit_one_edge_insertion, commit_edge_insertions): New.
1629 (delete_unreachable_blocks): Rewrite to use edge lists.
1630 Split out EH region manipulation into delete_eh_regions.
1631 Call tidy_fallthru_edge and merge_blocks.
1632 (delete_eh_regions): New.
1633 (delete_note_p): New.
1634 (delete_insn_chain): New.
1635 (delete_block): Split out code into delete_insn_chain and
1636 tidy_fallthru_edge. Update edge lists.
1637 (expunge_block): New.
1638 (flow_delete_insn): New?
1639 (can_delete_label_p): New?
1640 (merge_blocks_nomove, merge_blocks): New.
1641 (tidy_fallthru_edge): New.
1642 (calculate_loop_depth): New.
1643 (life_analysis): Allocate and free uid_volatile.
1644 (free_basic_block_vars): Update for new structures.
1645 (record_volatile_insns): Use SET_INSN_VOLATILE.
1646 (mark_regs_live_at_end): Tidy EXIT_IGNORE_STACK usage.
1647 (mark_used_regs): Likewise.
1648 (life_analysis_1): Use bb global_live_at_start, global_live_at_end,
1649 local_set regsets. Use bb->aux to store new_live_at_end. Begin
1650 life propagation from EXIT_BLOCK rather than last block. Clear
1651 regs_ever_live after mark_regs_live_at_end.
1652 (allocate_for_life_analysis): Update for new structures.
1653 (propagate_block): Split out loop depth calculation to
1654 calculate_loop_depth.
1655 (regno_uninitialized): Use bb->global_live_at_start.
1656 (regno_clobbered_at_setjmp): Likewise.
1657 (dump_bb_data): Likewise.
1658 (find_auto_inc): Use BLOCK_FOR_INSN instead of BLOCK_NUM.
1659 (dump_flow_info): Update for new structures.
1660 (dump_edge_info): New.
1661 (print_rtl_with_bb): Update for new structues.
1662 (compute_preds_succs): Do no work -- convert edge lists.
1663 (set_block_for_insn): From corpse of old set_block_num.
1664 (set_block_num): Call it.
1666 * rtl.c (note_insn_name): Add NOTE_INSN_BASIC_BLOCK.
1667 * rtl.h (rtunion_def): Add bb entry.
1668 (NOTE_BASIC_BLOCK): New.
1669 (NOTE_INSN_BASIC_BLOCK): New.
1671 * varray.h (varray_data_tag): Add bb entry.
1672 (VARRAY_BB_INIT, VARRAY_BB): New.
1674 * emit-rtl.c (emit_label_before): New.
1676 * except.c (expand_rethrow): Delete insns following the call to
1677 rethrow. Put the REG_EH_RETHROW on the call.
1679 * jump.c (returnjump_p, returnjump_p_1): New.
1681 * expr.h (nonlocal_goto_handler_labels): New declaration.
1682 * function.c (nonlocal_goto_handler_labels): Define it.
1683 (push_function_context_to): Save it.
1684 (pop_function_context_from): Restore it.
1685 (init_function_start): Clear it.
1686 (nonlocal_label_rtx_list): Kill.
1687 * function.h (struct function): Add storage space for it.
1688 * stmt.c (expand_nl_handler_label): Return the new label.
1689 (expand_nl_goto_receivers): Collect a list of them in
1690 nonlocal_goto_handler_labels.
1692 * Makefile.in (print-rtl.o): Depend on basic-block.h.
1693 (flow.o): Depend on insn-flags.h.
1695 * function.c (thread_prologue_and_epilogue_insns): Do not
1696 half-heartedly update bb structures.
1698 * toplev.c: Add flow2 dump as -dw.
1699 (rest_of_compilation): Finish .greg before flow2.
1701 * graph.c (draw_edge): Handle class 3.
1702 (print_rtl_graph_with_bb): Make abnormal edges red class 2,
1703 change non-fall-thru but adjacent to green class 3. Update
1704 to use new structures.
1706 * print-rtl.c (print_rtx): Handle NOTE_INSN_BASIC_BLOCK.
1708 * reg-stack.c (BLOCK_NUM): Convert to function. Abort if
1710 (reg_to_stack): Initialize block_num to -1.
1712 * combine.c (set_nonzero_bits_and_sign_copies): Update reference
1713 to basic_block_live_at_start to bb->global_live_at_start.
1714 (try_combine): Likewise.
1715 (reg_dead_at_p): Likewise.
1716 * global.c (global_conflicts): Likewise.
1717 Handle stack regs on all abnormal edges, not just computed jumps.
1718 (mark_elimination): Update reference to basic_block_live_at_start.
1719 (build_insn_chain): Likewise.
1720 * haifa-sched.c (haifa_edge): Rename from edge for conflict.
1721 (is_cfg_nonregular): Look at nonlocal_goto_handler_labels instead
1722 of nonlocal_label_rtx_list.
1723 (check_live_1): Update reference to basic_block_live_at_start.
1724 (update_live_1): Likewise.
1725 (find_pre_sched_live): Likewise.
1726 (find_post_sched_live): Likewise.
1727 * local-alloc.c (update_equiv_regs): Likewise.
1728 (block_alloc): Likewise.
1729 * reload1.c (reload, reload_combine): Likewise.
1730 * regmove.c (mark_flags_life_zones): Likewise.
1731 * resource.c (mark_target_live_regs): Likewise.
1732 * sched.c (schedule_block): Likewise.
1734 * regclass.c (regset_release_memory): Don't free
1735 basic_block_live_at_start.
1737 * unroll.c (copy_loop_body): Don't duplicate NOTE_INSN_BASIC_BLOCK.
1739 Thu Feb 25 21:32:34 1999 Jason Merrill <jason@yorick.cygnus.com>
1741 * fixinc.wrap: Also handle struct queue in sys/stream.h.
1742 * fixinc.svr4: Likewise.
1744 * dwarf2out.c (scope_die_for): Set scope_die to comp_unit_die
1745 rather than asserting it.
1747 Thu Feb 25 23:33:06 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1749 * cppexp.c (left_shift, right_shift, parse_charconst, COMPARE,
1750 cpp_parse_expr): Replace uses of long/HOST_BITS_PER_LONG with
1751 HOST_WIDEST_INT/HOST_BITS_PER_WIDEST_INT.
1754 * Makefile.in (cppmain.o, cpplib.o, cpphash.o, cppalloc.o,
1755 cpperror.o, cppexp.o, cppfiles.o, cppinit.o, fix-header.o,
1756 scan-decls.o): Don't depend on machmode.h.
1758 * cppexp.c: Don't define CHAR_BIT or HOST_BITS_PER_WIDE_INT anymore.
1759 Replace all instances of HOST_WIDE_INT with HOST_WIDEST_INT.
1761 * cppfiles.c: Likewise.
1763 * cpplib.c: Likewise.
1765 * cpplib.h: Likewise. Also don't include machmode.h anymore.
1767 Thu Feb 25 18:46:26 1999 Richard Henderson <rth@cygnus.com>
1769 * gcc.c (default_compilers): Define __FAST_MATH__ when appropriate.
1770 * objc/lang-specs.h: Likewise.
1772 Thu Feb 25 16:19:43 1999 Jeffrey A Law (law@cygnus.com)
1774 * pa.md (call patterns): Lose unused argument to output_call.
1776 * print-rtl.c (print_rtl): Print /j and /c for the jump/call flags.
1778 1999-02-25 17:14 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1780 * cpphash.c (install): Rename to cpp_install, add cpp_reader*
1781 first argument. All callers changed.
1783 (cpp_lookup, cpp_install): Change all refs to hashtab to
1785 (cpp_hash_cleanup): Removed.
1786 * cpphash.h: Adjust prototypes.
1787 * cpplib.h (struct cpp_reader): Add hashtab pointer.
1788 * cppinit.c (cpp_reader_init): Also allocate space for the
1790 (cpp_cleanup): Delete all macros and free the hashtab.
1792 Thu Feb 25 21:52:54 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1794 * sh.h (PASS_IN_REG_P): For TARGET_HITACHI, don't pass structures
1797 * expr.h (PRETEND_OUTGOING_VARARGS_NAMED): Provide default definition.
1798 * function.c (assign_parms): Honour PRETEND_OUTGOING_VARARGS_NAMED.
1799 * calls.c (expand_call): Likewise.
1801 * sh.c (sh_expand_prologue): For TARGET_HITACHI, don't push varargs /
1803 * sh.h (CPP_SPEC): Add -D__HITACHI__ for -mhitachi.
1804 (FUNCTION_ARG): For TARGET_HITACHI, don't pass unnamed
1805 arguments in registers.
1806 (PRETEND_OUTGOING_VARARGS_NAMED): Define.
1807 * va-sh.h (entire file): If __HITACHI__ is defined, use sh[123]
1810 Thu Feb 25 14:32:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1812 * cse.c (dump_class): Revert last change and make the prototype
1815 Thu Feb 25 19:13:42 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1817 * rtl.h (insn_first_p): Don't declare.
1818 * rtlanal.c (insn_first_p): Delete.
1819 * loop.c (loop_insn_first_p): Faster implementation.
1821 Thu Feb 25 10:44:35 1999 Richard Earnshaw (rearnsha@arm.com)
1823 * arm.h (TARGET_SWITCHES): Delete deprecated switches -m[236].
1824 (TARGET_3, TARGET_6): Delete.
1825 (ARM_FLAG_ARM[36]): Delete.
1826 (CPP_CPU_ARCH_SPEC): No need to handle -m[236] any more.
1827 (CC1_SPEC): Don't expand -m[236] into new equivalents.
1828 (CPP_APCS_PC_SPEC): No need to handle -m[236] any more.
1829 * arm.c (arm_override_options): Delete warnings about deprecated
1832 * arm.c (arm_finalize_pic): Build the label into the special pic
1833 adjustment insn instead of issuing it separately.
1834 * arm.md (pic_add_dot_plus_eight): Rework to contain the label
1837 * arm.md (*zeroextractqi_compare0_scratch): Delete.
1838 (*ne_zeroextractsi): New pattern.
1840 Thu Feb 25 18:40:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1842 * stmt.c (expand_end_loop): Grok code emitted by
1843 expand_exit_loop_if_false.
1845 Thu Feb 25 10:17:32 1999 Nick Clifton <nickc@cygnus.com>
1847 * config/arm/arm.c (return_in_memory): Float fields in unions
1848 force a return in memory.
1849 (load_multiple_sequence): Add comment explaining why two LDR
1850 instructions can be better than an LDMIA instruction.
1852 * config/arm/arm.h (TARGET_SHORT_BY_BYTES): Add comment
1853 describing the real meaning of this option.
1854 (FIXED_REGISTERS): Default r10 to not-fixed.
1855 (CALL_USED_REGISTERS): Default r10 to not-call-used.
1856 (SUBTARGET_CONDITIONAL_REGISTER_USAGE): If not defined, define
1858 (CONDITIONAL_REGISTER_USAGE): Fix r10 if TARGET_APCS_STACK is
1859 true. Invoke SUBTARGET_CONDITIONAL_REGISTER_USAGE after
1860 performing other checks.
1862 * config/arm/arm.md (zero_extendhisi2): Undo previous change.
1863 (extendhisi2): Undo previous change.
1864 Also add comments describing why TARGET_SHORT_BY_BYTES can be
1865 ignored for armv4(t) architectures.
1867 * config/arm/riscix.h (SUBTARGET_CONDITIONAL_REGISTER_USAGE):
1870 * config/arm/riscix1-1.h
1871 (SUBTARGET_CONDITIONAL_REGISTER_USAGE): Define to fix r10.
1873 Thu Feb 25 12:09:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1875 * cse.c (dump_class): Make the function definition static to match
1878 Wed Feb 24 17:47:28 1999 Jim Wilson <wilson@cygnus.com>
1880 * dbxout.c (gstab.h): Use if CROSS_COMPILE.
1882 * dwarf2out.c (add_location_or_const_value_attribute): Add big
1883 endian correction for parms passed in regs but living on the stack.
1885 Wed Feb 24 14:03:54 1999 Jeffrey A Law (law@cygnus.com)
1887 * calls.c (initialize_argument_information): New function extracted
1889 (expand_call): Use initialize_argument_information. Remove variables
1890 which are no longer used due to cleanups.
1892 * calls.c (compute_argument_block_size): New function, extracted from
1894 (expand_calls): Use compute_argument_block_size. Delete
1895 original_args_size, use unadjusted_args_size instead.
1897 * calls.c (precompute_arguments): New function, extracted from
1899 (expand_call): Use precompute_arguments.
1901 * calls.c (finalize_must_preallocate): New function, extracted from
1903 (expand_call): Use finalize_must_preallocate.
1905 * calls.c (store_one_arg): Mark "variable_size" as possibly unused.
1907 * regclass.c (record_reg_classes, case 'p'): Set classes appropriately.
1908 An alternative always fails if it needs a pseudo and no suitable
1909 register class can be found.
1911 Wed Feb 24 19:47:56 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1913 * loop.h (loop_insn_first_p): Declare.
1914 * loop.c (loop_insn_first_p): No longer static.
1915 * unroll.c (iteration_info) Fix comparison to
1916 reg_iv_type->num_elements.
1917 Before accessing reg_biv_class, check index against
1918 max_reg_before_loop.
1919 Fix and enable code for giv iterators.
1920 (loop_iterations): Compare with reg_iv_type->num_elements instead
1921 of with max_reg_before_loop.
1923 Wed Feb 24 19:17:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1925 * unroll.c (unroll_loop): Avoid out-of-bounds index for local_regno.
1927 Wed Feb 24 11:26:41 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
1929 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Don't use
1930 PIC_OFFSET_TABLE_REGNUM for register allocation when -fPIC.
1932 Tue Feb 23 16:24:19 CET 1999 Marc Lehmann <pcg@goof.com>
1934 * config/i386/i386.md: fix typoe.
1936 Mon Feb 22 19:36:33 1999 Andrew Cagney <cagney@b1.cygnus.com>
1938 * config/mips/mips.c (mips_debugger_offset): When TARGET_MIPS16 &&
1939 frame_pointer_needed adjust frame size.
1940 (function_prologue): Don't MIPS16 .mask GPOFFSET. Already adjusted
1941 in .frame pseudo-op.
1942 Frm Jim Wilson <wilson@cygnus.com>:
1943 * mips.c (function_prologue): Adjust frame size in .frame pseudo-op
1944 when TARGET_MIPS16 && frame_pointer_needed.
1946 1999-02-22 Nick Clifton <nickc@cygnus.com>
1948 * config/arm/arm.h: Add TARGET_CPU_strongarm1100.
1949 Add -mno-sched command line switch to disable scheduling of
1950 instructions into the function's prologue.
1951 (enum processor_type): Remove.
1952 (TARGET_OPTIONS): Add "fpe=" option to match documentation.
1953 (struct arm_cpu_select): Replace 'set_tune_p' and 'set_arch_p'
1954 fields with 'processors' field.
1955 (CONDITIONAL_REGISTER_USAGE): Allow r10 to be used if stack
1956 checking is not enabled.
1957 (RETURN_IN_MEMORY): Always call arm_return_in_memory.
1959 * config/arm/arm.c: (arm_cpu): Remove.
1960 (tune_flags): Remove.
1961 (arm_is_strong): New variable: true iff the target processor is a
1963 (arm_is_6_or_7): New variable: true iff the target processor is an
1965 (arm_select): Fields reorganised.
1966 (struct processors): processor_type field removed.
1967 (all_procs): Remove.
1968 (all_cores): New array: Definitions of all known ARM cpu cores.
1969 (all_architectures): New array: Definitions of all known ARM
1972 (FL_SCHED): New processor flag: processor required load
1974 (FL_STRONG): New processor flag: processor is a StrongARM.
1975 (arm_override_options): Reorganised to make code clearer.
1976 (use_return_insn): Test for "not (TARGET_APCS and
1977 frame_pointer_needed)".
1978 (arm_return_in_memory): Improve handling of structures.
1980 * config/arm/arm.md: Remove "cpu" attribute. Replace with
1981 "is_strongarm" and "is_arm_6_or_7" attributes.
1982 (zero_extendhisi2): Check for TARGET_SHORT_BY_BYTES before
1984 (extendhisi2): Check for TARGET_SHORT_BY_BYTES before arm_arch4.
1986 * invoke.texi (ARM Options): Document -mtune= and -mfp= options.
1988 1999-02-22 Philip Blundell <philb@gnu.org>
1990 * config/arm/linux-gas.h (INITIALIZE_TRAMPOLINE): Replace default
1991 definition with one including cache synchronisation.
1992 (CLEAR_INSN_CACHE): Correct syscall number and enable definition.
1993 Move definition of inhibit_libc to...
1994 * config/arm/xm-linux.h: ... here.
1996 * config/arm/t-linux: Disable multilib configurations since the
1997 only effect for most people is to cause builds to fail.
1999 * config/arm/elf.h (ASM_FILE_START): Add .file directive.
2000 (ASM_SPEC): Translate -mapcs-float to -mfloat for the assembler.
2002 * config/arm/linux-elf.h (DEFAULT_VTABLE_THUNKS): Define.
2003 (HANDLE_SYSV_PRAGMA): Likewise.
2004 (LIB_SPEC): Copy definition from generic Linux files.
2005 (LIBGCC_SPEC): Include -lfloat if -msoft-float was given.
2006 (FP_DEFAULT): Set to SOFT3 on 32-bit targets.
2007 (DWARF2_DEBUGGING_INFO): Define.
2008 (PREFERRED_DEBUGGING_TYPE): Define as DBX_DEBUG.
2010 Mon Feb 22 16:54:18 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
2012 * loop.c (libcall_other_regs): Make extern.
2013 * rtl.h (find_last_value): Add parameter to prototype.
2014 (libcall_other_reg): Add extern declaration.
2015 * rtlanal.c (find_last_value): Add another parameter to allow
2016 a definition using a hardware register to be found as well.
2018 Mon Feb 22 13:33:47 1999 Mark Mitchell <mark@markmitchell.com>
2020 * cse.c (dump_class): New function.
2021 (invalidate_memory): Fix typo in comment.
2022 * function.c (temp_slot): Add an alias set field.
2023 (assign_stack_temp): Only reuse slots if they will have the
2024 same alias set as before.
2025 (combine_temp_slots): Don't combine if -fstrict-aliasing;
2027 * rtl.c (copy_rtx): Copy all the flags (in particular,
2030 Mon Feb 22 14:13:23 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
2032 * configure.in (i[34567]86-*-linux-gnu*,
2033 i[34567]86-*-linux-gnulibc1, i[34567]86-*-linux-gnuaout*,
2034 i[34567]86-*-linux-gnuoldld*): Use fixinc.x86-linux-gnu as
2037 * configure: Rebuilt.
2039 * fixinc.x86-linux-gnu: New script for fixing asm-statements bug
2042 * fixinc/fixinc.x86-linux-gnu: Copy of the previous one.
2044 * fixinc/mkfixinc.sh (i[34567]86-*-linux-gnu*,
2045 i[34567]86-*-linux-gnulibc1, i[34567]86-*-linux-gnuaout*,
2046 i[34567]86-*-linux-gnuoldld*): Use fixinc.x86-linux-gnu as
2049 Mon Feb 22 08:55:05 1999 Ovidiu Predescu <ovidiu@cup.hp.com>
2051 * objc/objc-act.c (encode_type): Temporary revert to the old
2052 behavior of encoding types as the new one seems to break the
2053 encoding of bitfields.
2055 Mon Feb 22 11:40:44 1999 Craig Burley <craig@jcb-sc.com>
2056 Sat Feb 20 09:59:36 1999 Craig Burley <craig@jcb-sc.com>
2058 * Makefile.in (all.internal, all.cross): Depend on `doc'
2059 target, to ensure docs get made before installation.
2062 Decrease spurious warnings from -fsyntax-only:
2063 * stmt.c (expand_expr_stmt): Expand expr even when -fsyntax-only.
2065 Mon Feb 22 10:55:00 1999 Gavin Romig-Koch <gavin@cygnus.com>
2067 * c-lex.c (yylex): Replace warning about integer constants being
2068 larger than long-longs, with a warning about integer constants
2069 being larger than the largest target integer.
2071 Mon Feb 22 08:35:38 1999 Craig Burley <craig@jcb-sc.com>
2073 Fix -fsyntax-only ICEs:
2074 * varasm.c (assemble_zeros, assemble_variable,
2075 output_constant_def): Do nothing when -fsyntax-only.
2077 Fri Feb 19 18:18:56 1999 Don Bowman <don@pixstream.com>
2079 * configure.in (mips*-*-vxworks*): Enable gthreads vxworks support.
2080 * configure: Rebuilt.
2082 Sun Feb 21 20:34:44 PST 1999 Jeff Law (law@cygnus.com)
2084 * version.c: Bump for snapshot.
2086 Sun Feb 21 20:35:10 1999 Jeffrey A Law (law@cygnus.com)
2088 * config/aoutos.h (ASM_OUTPUT_CONSTRUCTOR): Delete.
2089 (ASM_OUTPUT_DESTRUCTOR, ASM_OUTPUT_GC_ENTRY): Likewise.
2090 * tm.texi: Update docs for constructors and destructors.
2092 Sun Feb 21 17:11:18 1999 Richard Henderson <rth@cygnus.com>
2094 * genattrtab.c (check_attr_value): Allow negative const_int if
2095 negative_ok. Accept integral arithmetic operators. Accept
2096 direct references to other attributes. Accept symbol_ref in
2097 non-constant attributes.
2098 (max_attr_value): Add new argument `unknownp'. Update all callers.
2099 (or_attr_value): Likewise.
2100 (simplify_knowing): Don't optimize if max_attr_value unknown.
2101 (write_length_unit_log): Likewise with or_attr_value.
2102 (find_and_mark_used_attributes): Don't fallthru case.
2103 (write_attr_set): Pass thru all non-cond expressions.
2104 (write_attr_value): Handle symbol_ref, attr, and arithmetic.
2106 Sun Feb 21 13:16:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2108 * regmove.c (discover_flags_reg): Use word_mode instead of SImode.
2110 Sun Feb 21 13:15:40 1999 Richard Henderson <rth@cygnus.com>
2112 * regmove.c (discover_flags_reg): Remove cc0 code.
2113 (mark_flags_life_zones) [HAVE_cc0]: Force use of cc0; bail if
2114 a potential flags register was identified.
2116 Sat Feb 20 16:16:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2118 * rs6000.md (scc plus ltu): Fix typo in last change.
2120 Sat Feb 20 09:08:44 1999 Richard Earnshaw (rearnsha@arm.com)
2122 * xm-arm.h (HOST_BITS_PER_LONGLONG): Define.
2124 Fri Feb 19 23:02:02 1999 Richard Henderson <rth@cygnus.com>
2126 * regmove.c (discover_flags_reg): New function.
2127 (flags_set_1, mark_flags_life_zones): New functions.
2128 (regmove_optimize): Call them.
2129 (fixup_match_1): Use insn modes rather than sets_cc0_p.
2131 Fri Feb 19 22:47:01 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2133 * rtlanal.c (insn_first_p): Fix return value for insn == reference.
2135 * loop.c (strength_reduce, check_final_value, check_dbra_loop):
2136 Use loop_insn_first_p.
2138 Fri Feb 19 15:49:26 1999 Michael Meissner <meissner@cygnus.com>
2139 David Edelsohn <edelsohn@gnu.org>
2141 * rs6000.md (scc plus eq): Fix output template.
2142 (scc plus ltu): Fix output template and collapse variants
2143 correcting early clobbers.
2144 (scc plus geu): Fix output template.
2145 (scc plus gt): Fix output template.
2146 (scc plus gtu): Fix output template and collapse variants.
2148 Fri Feb 19 15:43:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2150 * cppinit.c (print_help): Remove unescaped newline in string.
2152 Fri Feb 19 19:55:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2154 * loop.c (strength_reduce): Check for intervening jumps when
2155 converting biv increment to giv.
2157 Thu Feb 18 16:36:58 1999 Per Bothner <bothner@cygnus.com>
2159 * tree.def (TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR): New tree nodes,
2160 * expr.c (expand_expr): Support new tree nodes.
2162 Fri Feb 19 10:17:56 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2164 * config/m68k/m68k.c (m68k_align_loops_string,
2165 m68k_align_jumps_string, m68k_align_funcs_string): Add const.
2166 * config/m68k/m68k.h (m68k_align_loops_string,
2167 m68k_align_jumps_string, m68k_align_funcs_string): Likewise.
2169 Thu Feb 18 23:28:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2171 * bitmap.c (bitmap_print): Qualify a char* with the `const' keyword.
2173 * bitmap.h (bitmap_print): Likewise.
2175 * c-decl.c (builtin_function, grokdeclarator, grokfield): Likewise.
2177 * c-lang.c (build_objc_string): Likewise.
2179 * c-lex.c (yyerror, extend_token_buffer): Likewise. Don't include
2180 limits.h or ctype.h. Remove unused variable `p'.
2182 * c-lex.h (yyerror): Qualify a char* with the `const' keyword.
2184 * c-pragma.c (handle_pragma_token): Likewise.
2186 * c-pragma.h (handle_pragma_token): Likewise.
2188 * c-tree.h (build_objc_string, builtin_function, grokfield,
2189 build_indirect_ref, lvalue_or_else, readonly_warning, error_init,
2190 pedwarn_init): Likewise.
2192 * c-typeck.c (convert_for_assignment, warn_for_assignment,
2193 push_string, warning_init, incomplete_type_error,
2194 build_indirect_ref, lvalue_or_else, readonly_warning,
2195 build_c_cast, spelling, push_member_name, print_spelling,
2196 error_init, pedwarn_init, start_init): Likewise.
2198 * objc/objc-act.c (build_objc_string): Likewise.
2200 * print-tree.c (print_node_brief, print_node): Likewise.
2202 * tree.h (lvalue_or_else, print_node, print_node_brief): Likewise.
2204 Thu Feb 18 20:44:21 1999 David Edelsohn <edelsohn@gnu.org>
2206 * regclass.c (record_reg_classes): Correctly handle 'p' constraint.
2208 Thu Feb 18 19:59:37 1999 Marc Espie <espie@cvs.openbsd.org>
2210 * configure.in :Handle OpenBSD platforms.
2211 * configure: Rebuilt.
2212 * config/openbsd.h: New file.
2213 * config/xm-openbsd.h: New file.
2214 * config/t-openbsd: New file.
2215 * config/t-openbsd-thread: New file.
2217 Thu Feb 18 18:47:09 1999 Jeffrey A Law (law@cygnus.com)
2219 * function.c (assign_stack_temp_for_type): Round SIZE before calling
2220 assign_stack_local for BLKmode slots.
2222 Fri Feb 19 01:45:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2224 * loop.c (strength_reduce): For derived givs, replace the
2225 giv this was derived from with its new_reg.
2226 (recombine_givs): Don't set new_reg for derived giv.
2227 And don't print it, print SUM instead.
2229 Thu Feb 18 15:52:49 1999 Jim Wilson <wilson@cygnus.com>
2231 * m68kelf.h (ASM_RETURN_CASE_JUMP): Add 5200 support.
2233 1999-02-18 18:32 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2235 * cpplib.c: Kill define of STDC_VALUE. Don't include output.h
2236 or prefix.h. Change CPP_IS_MACRO_BUFFER to not refer to
2238 (GET_ENV_PATH_LIST, PATH_SEPARATOR, STANDARD_INCLUDE_DIR,
2239 predefs, SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
2240 CPP_WCHAR_TYPE, USER_LABEL_PREFIX, REGISTER_PREFIX, struct
2241 cpp_pending, version_string, struct default_include,
2242 include_defaults_array, path_include, cpp_options_init,
2243 dump_special_to_buffer, initialize_builtins, cpp_start_read,
2244 cpp_reader_init, nreverse_pending, push_pending, print_help,
2245 cpp_handle_option, cpp_handle_options, cpp_finish,
2246 cpp_cleanup): Move to cppinit.c.
2247 (macro_cleanup, struct arglist, collect_expansion,
2248 create_definition, compare_defs, comp_def_part, ARG_BASE,
2249 struct argdata, macarg, change_newlines, timestamp,
2250 monthnames, special_symbol, unsafe_chars, macroexpand,
2251 push_macro_expansion): Move to cpphash.c.
2252 (quote_string, check_macro_name, cpp_expand_to_buffer,
2253 output_line_command, cpp_undef): Export.
2254 (null_underflow, null_cleanup, handle_directive): Make static.
2256 * cpplib.h: Prototype now-exported functions. Adjust decls of
2257 syntax tables so we can include cpplib.h in cppinit.c.
2258 * cpphash.h: Prototype all functions exported by cpphash.c.
2259 * cppinit.c: Make syntax tables initialized data if possible
2260 (uses GCC designated-initializer extension).
2261 * cppexp.c: Make cpp_lex static.
2262 * Makefile.in: Move -D switches for the various include dirs
2263 from cpplib.o rule to cppinit.o rule. Adjust dependencies.
2265 Thu Feb 18 13:15:56 1999 Marc Espie <espie@cvs.openbsd.org>
2267 * alpha/openbsd.h: New file.
2268 * alpha/xm-openbsd.h: New file.
2269 * sparc/openbsd.h: New file.
2270 * sparc/xm-openbsd.h: New file.
2271 * m68k/openbsd.h: New file.
2272 * m68k/xm-openbsd.h: New file.
2273 * i386/openbsd.h: New file, originally from netbsd.
2274 * i386/xm-openbsd.h: New file.
2276 1999-02-17 14:49 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2278 * Makefile.in: Correct dependencies for cpplib object files.
2280 Wed Feb 17 14:04:18 1999 Michael Meissner <meissner@cygnus.com>
2282 * rs6000.md ({add,sub}si3 `.'): Add alternatives to use CR other
2285 Wed Feb 17 16:59:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2287 * loop.c (strength_reduce): Don't move giv insn for biv turned giv
2290 Wed Feb 17 10:56:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2292 * tree.c (tree_node_kind_names, print_obstack_name,
2293 get_identifier, maybe_get_identifier, build_string,
2294 build_expr_wfl, is_attribute_p, lookup_attribute,
2295 print_obstack_statistics, get_file_function_name_long, tree_check,
2296 tree_class_check, expr_check): Qualify a char* with the `const'
2299 * tree.h (get_identifier, maybe_get_identifier, build_string,
2300 build_expr_wfl, is_attribute_p, lookup_attribute,
2301 print_obstack_statistics, print_obstack_name, tree_check,
2302 tree_class_check, expr_check): Likewise.
2304 Tue Feb 16 21:29:38 1999 Jeffrey A Law (law@cygnus.com)
2306 * i386/freebsd-elf.h, i386/gas.h, i386/linux.h: Fix minor spacing
2309 * calls.c (store_one_arg): Mark any slots used for the argument
2310 as in-use immediately after we're done saving any slots which
2311 will be overwritten by this argument.
2313 Tue Feb 16 21:02:07 1999 Anton Hartl <toni@devsoft.com>
2315 * rs6000.md (call_value): Fix typo.
2317 Wed Feb 17 01:29:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2319 * loop.c (strength_reduce): Calculate maybe_dead before
2320 calling recombine_givs.
2322 Wed Feb 17 00:43:12 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2324 * loop.c (strength_reduce): Dump biv increment -> giv conversions.
2326 Tue Feb 16 15:31:39 1999 Ovidiu Predescu <ovidiu@cup.hp.com>
2328 * objc/objc-act.c (encode_type): Encode the type instead of
2329 encoding the mode of the type (patch from Richard Frith-Macdonald
2330 <richard@brainstorm.co.uk>).
2332 Tue Feb 16 10:53:51 1999 Richard Earnshaw (rearnsha@arm.com)
2334 * config/arm/arm.md (*zeroextractqi_compare0_scratch): Re-add load
2335 instruction killed in previous change. Simplify mask generation.
2336 (*zeroextractsi_compare0_scratch): Simpify mask generation.
2338 Tue Feb 16 09:52:26 1999 Nick Clifton <nickc@cygnus.com>
2340 * config/arm/arm.md (zeroextractqi_compare0_scratch): Ensure that
2341 bitfield does not overflow a byte boundary.
2343 Tue Feb 16 01:37:33 1999 Charles G Waldman <cgw@alum.mit.edu>
2345 * c-common.c (shorten_compare): Get the min/max value from the
2346 underlying type of an enumeration, not the enumerated type itself.
2348 Mon Feb 15 23:04:48 1999 Jeffrey A Law (law@cygnus.com)
2350 * jump.c: Include insn-attr.h.
2351 (delete_computation): If reload has completed and insn scheduling
2352 after reload is enabled, then do not depend on REG_DEAD notes.
2353 * Makefile.in (jump.o): Depend on insn-attr.h.
2355 Mon Feb 15 16:57:38 1999 Richard Henderson <rth@cygnus.com>
2357 * i386.md (addsi3): Allow lea for any constant_p.
2359 1999-02-15 17:11 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2361 * toplev.c (documented_lang_options): Remove -fident and
2362 -fnoident, which are now handled by the language independent
2365 1999-02-15 16:59 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2367 * c-common.c (UNGETC [USE_CPPLIB=1]): Do nothing if c is EOF.
2368 * c-lex.c: Likewise.
2369 * cpplib.c (cpp_push_buffer, cpp_pop_buffer): Use a linked
2370 list in malloced memory for the buffer stack.
2371 (cpp_get_token): Don't pop the last buffer off the stack.
2372 Calls after CPP_EOF has been returned produce CPP_EOF with no
2374 (cpp_finish): Pop last buffer here.
2375 (do_line): Don't free ip->last_nominal_fname if it is equal to
2377 (special_symbol): If a T_CONST is the empty string, push a
2378 single `@ ' escape instead.
2379 (macroexpand): Special symbol buffers have escapes too.
2380 * cpplib.h (struct cpp_buffer): Remove unused fields, add prev
2382 (struct cpp_reader): Remove buffer_stack. Add
2384 (CPP_PREV_BUFFER, CPP_NULL_BUFFER): Buffer stack is now a
2387 Mon Feb 15 14:44:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2389 * cccp.c: Don't define HOST_WIDE_INT. Replace all occurrences of
2390 WIDE_INT with WIDEST_INT.
2393 Don't define unsigned_HOST_WIDE_INT, CHAR_BIT or
2394 HOST_BITS_PER_WIDE_INT. Replace occurrences of PRINTF_PROTO_1()
2395 style with PVPROTO() ATTRIBUTE_PRINTF_1 style macros. Replace
2396 occurrences of "unsigned_HOST" with "unsigned HOST". Provide a
2397 definition of variable `c89' when compiling a test binary and set it.
2399 * system.h: Don't define the PRINTF_PROTO_* macros.
2401 Mon Feb 15 11:33:51 1999 Jeffrey A Law (law@cygnus.com)
2403 * loop.c (mark_loop_jump): Handle LO_SUM. If we encounter something
2404 we do not understand, mark the loop and containing loops as invalid.
2406 Mon Feb 15 00:40:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2408 * alias.c (init_alias_analysis): Avoid self-referential value
2409 when setting reg_known_value from REG_EQUAL notes.
2411 Sun Feb 14 23:12:10 1999 Richard Henderson <rth@cygnus.com>
2413 * i386.c (legitimate_address_p): Verify modes of base and index.
2415 Sun Feb 14 23:01:28 1999 Richard Henderson <rth@cygnus.com>
2417 * i386.c (legitimate_pic_address_disp_p): Remove static.
2418 * i386.h (LEGITIMATE_PIC_OPERAND_P): Use it instead of
2421 Sun Feb 14 21:03:28 1999 Jeffrey A Law (law@cygnus.com)
2423 * except.c (start_catch_handler): Use emit_cmp_and_jump_insns.
2424 * explow.c (probe_stack_range): Likewise.
2425 * expmed.c (do_cmp_and_jump): Likewise.
2426 * expr.c (store_expr, expand_expr, expand_builtin): Likewise.
2427 (do_tablejump): Likewise.
2428 * stmt.c (expand_expr_stmt, expand_end_case): Likewise.
2429 (do_jump_if_equal, emit_case_nodes): Likewise.
2430 * optabs.c (emit_cmp_and_jump_insns): Clarify comments. If UNSIGNEDP,
2431 then convert comparison to an unsigned code before emitting the jump.
2432 (expand_float, expand_fix): Use emit_cmp_and_jump_insns.
2434 Sun Feb 14 02:24:15 PST 1999 Jeff Law (law@cygnus.com)
2436 * version.c: Bump for snapshot.
2438 Sun Feb 14 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
2440 * version.c: Bump for snapshot.
2442 Sun Feb 14 00:45:50 1999 Jeffrey A Law (law@cygnus.com)
2444 * loop.c: Disable recent loop changes. Temporary as Joern
2445 continues to fix problems.
2447 Sat Feb 13 23:29:42 1999 Richard Henderson <rth@cygnus.com>
2449 * loop.c (combine_givs_used_by_other): Delete.
2450 (combine_givs_benefit_from): Delete.
2451 (combine_givs): Deny combination of givs only used once. Simplify
2452 code with the death of combine_givs_benefit_from.
2454 Sun Feb 14 11:24:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2456 * loop.c (scan_loop): Call reg_in_basic_block_p before
2457 loop_reg_used_before_p.
2459 Sat Feb 13 05:32:00 1999 Richard Earnshaw (rearnsha@arm.com)
2461 * arm.md: Use gen_rtx_FOO instead of gen_rtx (FOO, ...).
2465 * arm.h (TARGET_OPTIONS): Reformat for clarity.
2466 (GO_IF_LEGITIMATE_ADDRESS): When generating PIC, references to symbols
2467 in the constant pool aren't valid.
2468 (LEGITIMATE_PIC_OPERAND_P): Likewise.
2470 * arm.c: Include "system.h", not stdio.h and string.h.
2472 Fri Feb 12 13:06:28 1999 Jim Wilson <wilson@cygnus.com>
2474 * stmt.c (expand_return): Return if optimize_tail_recursion succeeded.
2475 (optimize_tail_recursion): Change return type from void to int.
2476 Add return statements.
2477 * tree.h (optimize_tail_recursion): Change prototype to match.
2479 Fri Feb 12 21:09:51 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2481 * reload.c (find_reloads_subreg_address): New function, broken out of
2482 find_reloads_toplev.
2483 (find_reloads_toplev, find_reloads_address_1): Use it.
2485 Fri Feb 12 13:20:52 1999 Jeffrey A Law (law@cygnus.com)
2487 * h8300.md (zero_extendhisi2 H8/300 variant): Correctly handle
2488 extending a CONST_INT.
2490 * h8300.md (peephole for combining memrefs): Delete incorrect peephole.
2492 Fri Feb 12 18:29:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2494 * loop.c (loop_insn_first_p, biv_elimination_giv_has_0_offset):
2496 (maybe_eliminate_biv_1): Use biv_elimination_giv_has_0_offset.
2498 Fri Feb 12 16:56:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2500 * loop.c (load_mems): Don't guess how to do a load / store, use
2503 Fri Feb 12 09:24:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2505 * system.h: Provide a definition for HOST_WIDEST_INT, etc.
2507 Fri Feb 12 23:37:26 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2509 * config/c4x/c4x.c (c4x_address_cost): Revert 9 Feb change.
2511 Fri Feb 12 00:51:26 1999 Jeffrey A Law (law@cygnus.com)
2513 * reload.c (find_reloads_address_1): Fix handling of an autoincremented
2514 pseudo which is homed in the stack.
2516 * mips.c (save_restore_insns): Fix loop to save/restore FP registers.
2517 (compute_frame_size): Change loop over FP regs to be consistent
2518 with the loop in save_restore_insns.
2520 Thu Feb 11 17:38:40 1999 Jim Wilson <wilson@cygnus.com>
2522 * i960/i960.h (OVERRIDE_OPTIONS): Warn if -mlong-double-64 is used.
2523 (LONG_DOUBLE_TYPE_SIZE): Undef then unconditionally define to 96.
2525 Thu Feb 11 15:11:35 1999 Jeffrey A Law (law@cygnus.com)
2527 * mn10200.md (bset); Re-enable.
2529 Thu Feb 11 15:20:49 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2531 * sh.md (is_sfunc): New attribute.
2532 * sh.h (INSN_SETS_ARE_DELAYED, INSN_REFERENCES_ARE_DELAYED): Use it.
2534 Thu Feb 11 01:06:49 1999 Nathan Sidwell <nathan@acm.org>
2536 * fold-const.c (range_binop): Take account of the bounded nature
2537 of fixed length arithmetic when comparing unbounded ranges.
2539 Thu Feb 11 00:08:17 1999 John Wehle (john@feith.com)
2541 * function.c (assign_stack_temp_for_type): Clear best_p
2542 when an exact match is found.
2544 * i386.h (LOCAL_ALIGNMENT): Define.
2545 * function.c (assign_stack_local, assign_outer_stack_local): Use it.
2546 (assign_stack_temp_for_type): New function based on assign_stack_temp.
2547 (assign_stack_temp): Call it.
2548 (assign_temp): Use assign_stack_temp_for_type, not assign_stack_temp.
2549 * stmt.c: Use assign_temp, not assign_stack_temp.
2550 * tm.texi: Document LOCAL_ALIGNMENT.
2552 Wed Feb 10 23:28:28 1999 Jeffrey A Law (law@cygnus.com)
2554 * reorg.c: Finish deleting half-deleted comment.
2556 Wed Feb 10 17:12:21 1999 Jim Wilson <wilson@cygnus.com>
2558 * emit-rtl.c (operand_subword): Sign extend REAL_VALUE_TO_TARGET_SINGLE
2560 * final.c (split_double): Sign extend REAL_VALUE_TO_TARGET_DOUBLE
2562 * real.c (endian): Delete sign extension code.
2563 * config/m32r/m32r.md (movsf_insn+1): REAL_VALUE_TO_TARGET_SINGLE call
2564 replaced with operand_subword call.
2566 Wed Feb 10 15:16:39 1999 Richard Henderson <rth@cygnus.com>
2568 * alpha.md (cmov compound patterns): Delete. Jump can now
2569 create the correct constructs in the first place.
2571 Wed Feb 10 11:03:22 1999 Richard Henderson <rth@cygnus.com>
2573 * configure.in (alphaev6*): Fix typo in target_cpu_default2.
2575 Wed Feb 10 13:59:18 1999 Dave Brolley <brolley@cygnus.com>
2577 * mbchar.c (local_mb_cur_max): Handle the case where MB_CUR_MAX is 0.
2579 Wed Feb 10 10:35:05 1999 Jim Wilson <wilson@cygnus.com>
2581 * tmp-emsgids.c: Delete.
2583 Wed Feb 10 09:57:08 1999 Mark Mitchell <mark@markmitchell.com>
2585 * rtlanal.c (for_each_rtx): Fix declaration to conform to GNU
2588 Wed Feb 10 10:09:41 1999 Jeffrey A Law (law@cygnus.com)
2590 * mn10200.md (bset, bclr): Operand 0 is a read/write operand.
2592 * reload1.c (reload_combine_note_store): Second argument is no
2593 longer unused/ignored. Handle multi-register hard regs.
2594 (move2add_note_store): Simplify.
2596 Wed Feb 10 10:05:23 1999 Mumit Khan <khan@xraylith.wisc.edu>
2598 * collect2.c (collect_execute): Remove cygwin-specific code.
2600 Tue Feb 9 17:27:29 GMT 1999 Nathan Sidwell <nathan@acm.org>
2602 * system.h (_, N_): Remove dummy i18n macros.
2603 * protoize.c: Move inclusion of intl.h to after system.h.
2604 * cexp.y: Include intl.h.
2607 Tue Feb 9 16:52:22 1999 Mumit Khan <khan@xraylith.wisc.edu>
2609 * i386/cygwin.h (SUBTARGET_OVERRIDE_OPTIONS): New macro to ignore
2610 fpic/fPIC for windows32 targets.
2611 * i386/xm-cygwin.h (GET_ENV_PATH_LIST): Replace '\\' in windows32
2613 * i386/mingw32.h (CPP_SPEC): Define.
2614 (CPP_PREDEFINES): Add MINGW32 version id.
2615 * i386/crtdll.h (CPP_PREDEFINES): Likewise.
2617 * Makefile.in (collect2$(exeext)): Delete redundant dependency and
2618 add missing exeext to target.
2620 * gcc.c (convert_filename): Handle null filename argument.
2622 Wed Feb 10 15:46:10 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2624 * config/c4x/c4x.md (*movhf_noclobber, *movhi_noclobber): Use
2625 m constraint instead of QT.
2627 1999-02-09 Brendan Kehoe <brendan@cygnus.com>
2629 * cpplib.c (special_symbol): Move IP to be declared in function
2630 scope, rather than individual case statements.
2632 1999-02-09 16:42 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2634 * cppfiles.c (finclude): Handle pipes properly under old BSD
2637 1999-02-09 16:42 -0500 Melissa O'Neill <oneill@cs.sfu.ca>
2639 * system.h: Provide fallback definitions for S_ISCHR,
2640 S_ISSOCK, S_ISFIFO, O_NONBLOCK, and O_NOCTTY.
2642 1999-02-09 10:30 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2644 * cpplib.c (do_define): Allow redefining __STDC__ with -D.
2646 1999-02-09 Jim Blandy <jimb@zwingli.cygnus.com>
2648 * configure.in: For PowerPC configurations, accept "401", "ec603e",
2649 "740", and "750" as valid arguments to --with-cpu.
2650 * configure: Rebuilt.
2652 Tue Feb 9 00:00:14 1999 Mark Kettenis <kettenis@gnu.org>
2654 * configure.in (i[34567]86-*gnu*): Set float_format to i386.
2655 * configure: Rebuilt.
2657 Mon Feb 8 22:38:24 1999 Jeffrey A Law (law@cygnus.com)
2659 * rs6000.md: Revert "alternate use of crs if cr0 not available"
2660 patches from 01-22-1999, 01-24-1999, 01-26-1999, and 02-08-1999.
2662 Mon Feb 8 21:36:44 1999 Richard Henderson <rth@cygnus.com>
2664 * output.h (current_function_has_computed_jump): Rename from
2665 current_function_addresses_labels.
2666 * function.h (struct function): Likewise for addresses_labels member.
2667 * rtl.h (FUNCTION_FLAGS_HAS_COMPUTED_JUMP): Likewise.
2668 * function.c (current_function_has_computed_jump): Likewise.
2669 Update all references.
2670 * integrate.c (function_cannot_inline_p):
2671 Test current_function_has_computed_jump instead of addresses_labels.
2672 (initialize_for_inline): Likewise save.
2673 (output_inline_function): Likewise restore.
2675 * expr.c (expand_expr): Don't reference addresses_labels variables.
2676 * stmt.c (expand_computed_goto): Set has_computed_jump.
2678 1999-02-08 Michael Meissner <meissner@cygnus.com>
2680 This is being installed only to get it into the repository to help
2681 with the revert, resubmit & review process for the massive rs6000.md
2683 * rs6000.md (andsi3_internal1 splitter): Don't split if using the
2685 (anddi3_internal1): Ditto.
2686 (andsi3_internal{2,3}): Correct some insn lengths.
2687 (anddi3*): Restore missing TARGET_POWERPC64, and don't emit old
2690 Mon Feb 8 21:31:06 1999 Richard Henderson <rth@cygnus.com>
2692 * loop.c (reg_single_usage): New file-scope variable ...
2693 (scan_loop): ... moved out of here. Always initialize.
2694 Test loop_has_call instead of reg_single_usage not zero.
2695 Free reg_single_usage after strength reduction.
2696 (count_loop_regs_set): Assume single_usage non-zero.
2697 (combine_givs_used_by_other): Test reg_single_usage.
2698 (load_mems_and_recount_loop_regs_set): Remove reg_single_usage
2699 as a parameter. Assume non-zero.
2701 1999-02-08 23:25 -0500 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
2703 * cpplib.c (special_symbol): Rewrite. Don't copy things
2704 multiple times. Handle __STDC__ specially. T_CONST
2705 indicates a constant /string/. Don't handle T_*_TYPE and
2706 T_SPEC_DEFINED. Use cpp_buf_line_and_col instead of
2707 adjust_position. Determine the file buffer only if needed.
2708 (initialize_builtins): Handle __SIZE_TYPE__,
2709 __PTRDIFF_TYPE__, __WCHAR_TYPE__, __USER_LABEL_PREFIX__, and
2710 __REGISTER_PREFIX__ with T_CONST special hashtab entries.
2711 Don't provide __OBJC__; the driver does that. Provide
2712 __STDC_VERSION__, using T_CONST. Use T_STDC for
2713 __STDC__. Give install the length of all symbols defined.
2714 (eval_if_expression): Drop code to insert and remove the
2715 "defined" special symbol.
2717 * cpplib.h: Remove SELF_DIR_DUMMY (no longer used). Remove
2718 T_*_TYPE and T_SPEC_DEFINED from enum node_type; add T_STDC.
2720 * cpphash.c (install): Drop the `ivalue' parameter. Constify
2721 the `value' parameter. All callers changed.
2722 * cpphash.h (install): Change prototype to match.
2723 (union hashval): Remove `ival' member.
2724 * cppexp.c (cpp_lex): Handle `defined' here.
2726 Mon Feb 8 17:29:42 1999 Jeffrey A Law (law@cygnus.com)
2728 * pa.h (EXTRA_CONSTRAINT): Fix comment.
2730 Mon Feb 8 18:57:45 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
2732 * c-typeck.c (check_init_type_bitfields): Use nonincremental
2733 initialization of unions whose first member is a bitfield.
2734 Remove unnecessary code for checking the declaration mode
2735 after DECL_C_BIT_FIELD.
2737 * varasm.c (output_constructor): Additional comment about the
2738 constructor of bitfield union initialization.
2740 Tue Feb 9 11:55:04 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2742 * config/c4x/c4x.md (*movhi_stik): New pattern.
2743 (movhi): Allow some immediate constants to be directly
2746 Tue Feb 9 11:34:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2748 * config/c4x/c4x.md (all call patterns): Add constraints "Ur".
2749 (call, call_value): Force address into a register if not valid
2750 for a call instruction.
2751 (load_immed_address): Emit a USE of the SYMBOL_REF that is
2753 * config/c4x/c4x.c (c4x_print_operand): Fix 'C' and 'U' modifiers.
2755 Tue Feb 9 11:08:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2757 * config/c4x/c4x.c (call_address_operand, symbolic_address_operand):
2758 Rename from call_operand and symbolic_operand respectively. All
2760 * config/c4x/c4x.md (call_address_operand, symbolic_address_operand):
2762 * config/c4x/c4x.h (call_address_operand, symbolic_address_operand):
2764 (PREDICATE_CODES): Allow CONST, LABEL_REF for call_address_operand.
2766 Tue Feb 9 10:52:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2768 * config/c4x/c4x.c (c4x_legitimize_address): Don't generate a
2769 LO_SUM address for HImode or HFmode but instead force address into
2770 a register so that it is offsettable.
2771 (c4x_emit_move_sequence): Handle LO_SUM immediate address.
2773 Tue Feb 9 10:46:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2775 * config/c4x/c4x.c (c4x_address_cost): Return cost of 1 for
2776 REG+REG addressing if strength reduction enabled.
2778 Tue Feb 9 10:10:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2780 * config/c4x/t-c4x (LIBGCC2_CFLAGS): Delete.
2781 (TARGET_LIBGCC2_CFLAGS): Define.
2783 1999-02-08 Nick Clifton <nickc@cygnus.com>
2785 * config/v850/v850.md: Replace \\n\\t with \\;
2787 * config/v850/v850.md: Enforce TARGET_LONG_CALLS option.
2788 * config/v850/v850.c (construct_restore_jr, construct_save_jarl):
2789 Enforce TARGET_LONG_CALLS option.
2791 Mon Feb 8 11:43:07 1999 Donn Terry <donn@interix.com>
2793 * real.c (PUT_REAL) [XFmode]: Zero the balance of the structure.
2795 Mon Feb 8 11:37:24 1999 Marc Espie (espie@cvs.openbsd.org)
2797 * m88k/t-luna-gas: Remove bash dependency.
2799 Mon Feb 8 11:34:44 1999 Graham <grahams@rcp.co.uk>
2801 * collect2.c (xrealloc): Fix typo in last change.
2803 Mon Feb 8 09:13:38 PST 1999 Jeff Law (law@cygnus.com)
2805 * version.c: Bump for snapshot.
2807 Sun Feb 7 22:18:42 1999 Robert Lipe <robertlipe@usa.net>
2809 * tree.h (TYPE_CHECK): Make it clear to the preprocessor
2810 that we do not want macro replacement within a character constant.
2811 (TYPE_CHECK1): Likewise.
2813 Sun Feb 7 15:37:10 1999 Jason Merrill <jason@yorick.cygnus.com>
2815 * tree.h (DECL_P): New macro.
2817 Sun Feb 7 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
2819 * version.c: Bump for snapshot.
2821 Sat Feb 6 18:14:46 1999 Jeffrey A Law (law@cygnus.com)
2823 * mn10300.md (reload_insi): Do not earlyclobber the output operand.
2825 * README.g77, gcc.c, gcc.texi: Update email addresses.
2826 * invoke.texi system.h: Likewise.
2828 Sat Feb 6 11:04:08 1999 Jim Wilson <wilson@cygnus.com>
2830 * unroll.c (find_splittable_givs): After express_from, call replace_rtx
2831 to convert dest_reg to new_reg.
2833 Sat Feb 6 10:31:35 1999 Jeffrey A Law (law@cygnus.com)
2835 * reload1.c (reload_combine_note_store): Be more careful with
2836 STRICT_LOW_PART, ZERO_EXTRACT and SIGN_EXTRACT.
2837 (move2add_note_store): Likewise.
2839 Sat Feb 6 10:18:01 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2841 * cppfiles.c (read_and_prescan): Cast the result of `xrealloc' to
2842 U_CHAR* when assigning to one. Ensure the values of a ?: operator
2845 * cppinit.c (initialize_char_syntax): Use K&R function definition.
2847 Sat Feb 6 11:17:03 1999 Richard Earnshaw <rearnsha@arm.com>
2850 * config/arm/arm.c (all_procs): Add arm9 and arm9tdmi.
2851 * config/arm/arm.h ((TARGET_CPU_arm9, TARGET_CPUD_arm9tdmi): Define.
2852 (TARGET_CPU_DEFAULT): Rework to support ARM9.
2853 (CPP_CPU_ARCH_SPEC): Likewise.
2854 (enum processor_type): Likewise.
2855 * config/arm/arm.md (attr cpu): Add arm9.
2857 General scheduling changes
2858 * config/arm/arm.c (MAX_INSNS_SKIPPED): Delete.
2859 (max_insns_skipped): New variable.
2860 (arm_override_options): If generating hard floating point code for
2861 the FPA, emit code for version 3.
2862 When optimizing for space, don't synthesize constants.
2863 Reword several flags based on the requested processor and optimization
2865 (use_return_insn): New argument iscond, all callers changed. Don't
2866 use a return insn if it will be conditional and that would be
2867 expensive; eg on StrongARM.
2868 (arm_adjust_cost): Anti- and output- dependencies normally have no
2870 (load_multiple_sequence): Newer ARMs don't benefit from ldm if
2871 the sequence is short.
2872 (final_prescan_insn): Use max_insns_skipped instead of
2873 MAX_INSNS_SKIPPED. Note whether we will make a return instruction
2874 conditional, and aviod this if it would be expensive.
2875 * config/arm/arm.md (scheduling attributes and function units):
2876 Rewrite to better describe ARM8, 9 and StrongARM.
2878 * config/arm/arm.md (*movhi_insn_littleend): Make op0 predicate
2880 (*ifcompare_plus_move): Use arm_rhs_operand in place of
2881 arm_rhsm_operand. Rework constraints.
2882 (*if_plus_move): Likewise.
2883 (*ifcompare_move_plus): Likewise.
2884 (*if_move_plus): Likewise.
2885 (*ifcompre_arith_move): Likewise.
2886 (*if_arith_move): Likewise.
2887 (*ifcompare_move_arith): Likewise.
2888 (*if_move_arith): Likewise.
2890 * config/arm/xm-netbsd.h: Don't include arm/xm-arm.h.
2892 1999-02-05 Michael Meissner <meissner@cygnus.com>
2894 * loop.c (check_dbra_loop): A store using an address giv for which
2895 we have no life information is not reversible.
2897 Fri Feb 5 17:08:01 1999 Dave Brolley <brolley@cygnus.com>
2899 * function.c (fixup_var_refs): Scan catch_clauses too.
2901 Fri Feb 5 11:49:49 1999 Benjamin Kosnik <bkoz@loony.cygnus.com>
2903 * c-common.c (decl_attributes): Fix reserved space for init_priority.
2904 * tree.h (MAX_RESERVED_INIT_PRIORITY): New macro.
2906 Fri Feb 5 12:37:05 1999 Jeffrey A Law (law@cygnus.com)
2908 * loop.c (strength_reduce): Clear not_every_iteration when
2909 passing the NOTE_INSN_LOOP_CONT note.
2911 * haifa-sched.c (add_dependence): Do not add a dependency on a
2914 Fri Feb 5 10:55:43 1999 Nick Clifton <nickc@cygnus.com>
2916 * recog.c (split_block_insns): Only call update_flow_info if
2917 instruction scheduling is enabled.
2919 1999-02-05 11:22 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2921 * Makefile.in (gen-protos): Use libcpp.a like everyone else.
2923 Fri Feb 5 07:09:29 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2925 * loop.c (first_loop_store_insn): New file-scope variable.
2926 (prescan_loop): Set it.
2927 (check_dbra_loop): Check if a store depends on a register
2928 that is set after the store.
2930 Fri Feb 5 06:55:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2932 * unroll.c (entire file): Remove tabs / spaces at end of lines.
2933 Replace spaces with tabs where appropriate.
2935 Thu Feb 4 15:12:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2937 * loop.c (scan_loop): New argument loop_cont. Changed caller.
2938 (strength_reduce): New argument loop_cont. Changed caller.
2939 Before clearing not_every_iteration after a label, check if
2940 we are not already past LOOP_CONT.
2942 1999-02-04 16:04 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2944 * cpperror.c (cpp_print_containing_files): Fix formatting
2945 bug induced by merge.
2947 1999-02-04 14:33 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2949 * cpplib.c (initialize_char_syntax): Move to cppinit.c.
2950 (cpp_define): Remove redundant syntax checks.
2951 (make_assertion): Rename cpp_assert, remove redundant syntax
2953 (cpp_options_init): Don't init things to zero twice.
2954 (cpp_expand_to_buffer): Use memcpy, not a char-by-char loop.
2955 (do_include): Kill excessively verbose #import warning that
2956 snuck back in in the gcc2 merge.
2957 (convert_string): Removed.
2958 (do_line): Rewrite with simple last-name-used cache instead of
2960 (cpp_start_read): Call initialize_char_syntax here, not...
2961 (cpp_reader_init): ...here.
2962 (cpp_handle_options): Support the -std switch.
2963 * cpplib.h (cpp_buffer): Add last_nominal_fname member.
2964 (cpp_options): Add c9x flag.
2965 Declare all the is_* tables and trigraph table here, as const.
2966 Prototype cpp_assert and initialize_char_syntax.
2967 * cppinit.c: New file.
2968 * cppfiles.c (read_and_prescan): Optimize.
2969 * Makefile.in (LIBCPP_OBJS): Add cppinit.o.
2971 Thu Feb 4 10:46:30 1999 Gavin Romig-Koch <gavin@cygnus.com>
2973 * config/mips/mips.md ([u]divmodsi4,[u]divmoddi4,[u]divsi3,[u]divdi3,
2974 [u]modsi3,[u]moddi3) : Don't copy the "zero" argument to a register
2975 before calling gen_div_trap.
2977 Wed Feb 3 21:56:27 1999 Jeffrey A Law (law@cygnus.com)
2979 * configure.in (hppa1.1-*-*, hppa2*-*): Use symbolic value rather
2980 than numeric value for target_cpu_default..
2981 * configure: Rebuilt.
2983 Wed Feb 3 21:55:56 1999 Marc Espie <Marc.Espie@liafa.jussieu.fr>
2985 * Makefile.in (xgcc$(exeext)): Remove choose-temp, pexecute and
2986 mkstemp. Get them from libiberty.
2987 (COLLECT2_OBJS): Similarly for choose-temp, cplus-dem and mkstemp.
2988 (PROTO_OBJS): Similarly for choose-temp, getopt, getopt1 and pexecute.
2989 (cplus-dem.o, pexecute.o, choose-temp.o): Remove build rules.
2990 (mkstemp.o, getopt1.o, getopt.o): Likewise.
2992 * pa-gas.h (TARGET_DEFAULT): Use symbolic values rather than numeric
2994 * pa-hpux.h (LINK_SPEC): Likewise.
2995 * pa-hpux10.h (LINK_SPEC): Likewise.
2996 * pa-hpux9.h (LINK_SPEC): Likewise.
2997 * pa-osf.h: (LINK_SPEC): Likewise.
2998 * pa-pro.h (TARGET_DEFAULT): Likewise.
2999 * pa1.h (TARGET_DEFAULT): Likewise.
3000 * pa.h (MASK_*): New defines.
3001 (TARGET_*): Use symbolic values rather than numeric values.
3002 (TARGET_SWITCHES): Likewise.
3003 (TARGET_DEFAULT): likewise.
3004 (CPP_SPEC): likewise.
3006 Wed Feb 3 21:07:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3008 * reload1.c (reload_cse_regs_1): Undo Jan 16 patch.
3009 * reload.c (find_reusable_reload): New function, broken out of
3010 push_reload. Add code to verify that none of the involved
3011 outputs are subject to earlyclobbers.
3012 (push_reload): Break out new function find_reusable_reload.
3013 Delete "register" keyword for IN, OUT args.
3015 Wed Feb 3 15:51:04 1999 Gavin Romig-Koch <gavin@cygnus.com>
3017 * config/mips/mips.c (true_reg_or_0_operand) : New function.
3018 * config/mips/mips.h (PREDICATE_CODES): Add true_reg_or_0_operand.
3019 * config/mips/mips.md (div_trap,div_trap_normal,div_trap_mips16):
3020 Use true_reg_or_0_operand for div_trap.
3022 Wed Feb 3 20:44:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3024 * loop.h (express_from): Declare.
3025 (struct induction): Replace derived flag with derived_from pointer.
3026 * loop.c (strength_reduce, record_giv, recombine_givs): Likewise.
3027 (express_from): No longer static.
3028 * unroll.c (find_splittable_givs): Replace derived with derived_from.
3029 When processing an address giv with which another giv has been
3030 combined that has also been derived from a third giv, handle like
3031 having combined with the third giv.
3032 Set splittable_regs_updates appropriately for derived givs.
3034 Wed Feb 3 15:26:58 1999 Gavin Romig-Koch <gavin@cygnus.com>
3036 * config/mips/mips.md (div_trap_mips16): Remove nop's after branches.
3038 Wed Feb 3 11:56:23 1999 Jeffrey A Law (law@cygnus.com)
3040 * pa.c (insn_sets_and_refs_are_delayed): New function.
3041 * pa.h (INSN_SETS_ARE_DELAYED): Use it.
3042 (INSN_REFERENCES_ARE_DELAYED): Likewise.
3044 Wed Feb 3 06:24:49 1999 Richard Earnshaw (rearnsha@arm.com)
3046 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Delete.
3047 * config/arm/t-linux (LIBGCC2_CFLAGS): Delete.
3048 (TARGET_LIBGCC2_CFLAGS): Define.
3049 (LIBGCC2_DEBUG_CFLAGS): Define.
3050 * config/arm/t-netbsd: Likewise.
3051 * config/arm/t-semi: Likewise.
3052 * config/arm/t-semiaof: Likewise.
3053 * config/arm/t-riscix: Likewise.
3055 Wed Feb 3 10:59:07 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3057 * config/m68k/m68k.c (print_operand_address): When printing a
3058 SYMBOL_REF that ends in `.<letter>' put parentheses around it.
3060 Tue Feb 2 23:38:35 1999 David O'Brien <obrien@FreeBSD.org>
3062 * i386/freebsd*.h now allows '$' in label names and does not use the
3063 PCC struct return method.
3065 Tue Feb 2 22:38:23 1999 Jim Wilson <wilson@cygnus.com>
3067 * Makefile.in: Change all uses of AR to AR_FOR_TARGET. Change all uses
3068 of HOST_AR to AR. Likewise for AR_FLAGS, RANLIB, and RANLIB_TEST.
3069 (RANLIB_TEST): Test to see if ranlib exists. Only test absolute file
3070 names if host == target.
3071 (HOST_AR, HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Delete.
3072 (AR_FLAGS_FOR_TARGET): Renamed from AR_FOR_TARGET_FLAGS.
3073 (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST): Delete rules
3074 setting them to *_FOR_TARGET.
3075 * cross-make (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST):
3078 Tue Feb 2 22:38:19 1999 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
3080 * toplev.h (read_integral_parameter): Declare.
3081 * toplev.c (read_integral_parameter): New function.
3083 Fri Jan 29 21:00:56 1999 Bob Manson <manson@charmed.cygnus.com>
3085 * resource.c, resource.h: New files.
3086 * Makefile.in (OBJS): Add it.
3088 * haifa-sched.c (regno_use_in): Moved to rtlanal.c.
3089 (split_block_insns): Moved to recog.c.
3090 (update_flow_info): Make public.
3091 * rtl.h: Declare them.
3093 * reorg.c: Moved the functions dealing with computing resource
3094 usage to resource.c.
3096 * sched.c (regno_use_in): Moved to rtlanal.c.
3097 (update_flow_info): Make public.
3098 (schedule_insns): Use split_block_insns.
3100 * recog.c (split_block_insns): New function.
3102 Tue Feb 2 22:03:26 1999 David Edelsohn <edelsohn@gnu.org>
3104 * rs6000/linux.h (LINK_START_DEFAULT_SPEC): Delete, unused.
3105 (LINK_OS_DEFAULT_SPEC): Delete, unused.
3107 Tue Feb 2 20:29:34 1999 Catherine Moore <clm@cygnus.com>
3109 * configure.in (arm-*-oabi): Support.
3110 * configure: Regenerate.
3111 * config/arm/unknown-elf-oabi.h: New file.
3113 Tue Feb 2 19:43:59 1999 Jeffrey A Law (law@cygnus.com)
3115 * i386.md (ashlsi3): Turn into a define_expand an anonymous pattern.
3116 Make the anonymous pattern match when ! optimize_size.
3117 (ashlsi3 size optimizer): New pattern.
3119 * intl/Makefile.in (uninstall): Add missing "; \".
3121 Tue Feb 2 18:21:23 1999 Stan Cox <scox@cygnus.com>
3123 * sparc.h (TARGET_CPU_sparc86x): Added. TARGET_CPU_sparclite86x
3126 Tue Feb 2 20:24:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3128 * loop.c (loop_optimize): Fix value max_uid_for_loop is reset
3129 to after find_and_verify_loops call.
3131 Tue Feb 2 19:48:29 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3133 * (recombine_givs): Don't use a giv that's likely to be dead to
3136 * loop.c (recombine_givs): Fix test for lifetime overlaps / loop
3137 wrap around when deriving givs.
3139 Mon Feb 1 20:00:40 1999 Richard Henderson <rth@cygnus.com>
3141 * recog.c (check_asm_operands): Treat indeterminate operand ok
3142 results as success. Try harder to resolve a matching constraint.
3143 * stmt.c (expand_asm_operands): Recognize when an output operand's
3144 constraint does not allow memory. Treat indeterminate operand ok
3145 results as failure. Try harder to resolve a matching constraint.
3147 Mon Feb 1 15:00:02 1999 Ken Raeburn <raeburn@cygnus.com>
3149 Use varrays for constant-equivalence data:
3151 * varray.h (struct const_equiv_data): New type.
3152 (union varray_data_tag): New element const_equiv.
3153 (VARRAY_CONST_EQUIV_INIT, VARRAY_CONST_EQUIV): New macros.
3154 (VARRAY_SIZE): New macro, returns number of elements.
3155 * integrate.h: Include varray.h.
3156 (struct inline_remap): Replace const_equiv_map, const_age_map and
3157 const_equiv_map_size with a const_equiv_varray element.
3158 (MAYBE_EXTEND_CONST_EQUIV_VARRAY): New macro; grows varray if
3160 (SET_CONST_EQUIV_DATA): New macro; sets rtx and age fields
3161 simultaneously, growing the varray if needed.
3163 * integrate.c (global_const_equiv_map,
3164 global_const_equiv_map_size): Deleted, replaced by....
3165 (global_const_equiv_varray): New variable.
3166 (expand_inline_function): References changed.
3167 * integrate.h: Update declarations.
3169 * integrate.c (process_reg_parm, expand_inline_function,
3170 copy_rtx_and_substitute, try_constants, subst_constants,
3171 mark_stores): Use varray allocation and accessor macros, new
3172 integrate.h macros, and global_const_equiv_varray. Don't
3173 conditionalize non-NULL stores on array size; instead, expand the
3175 * unroll.c (unroll_loop): Likewise.
3177 * unroll.c (unroll_loop): Initialize const_equiv_varray element to
3178 zero. After allocating varray, always exit through bottom of
3179 function, where it can be deallocated if needed. Don't explicitly
3180 reallocate const_equiv_map storage; instead, just ensure the
3181 varray has been initialized, and update the global reference.
3183 Mon Feb 1 09:40:25 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3185 * system.h (inline, const): Handle these for stage2 (and later) gcc.
3187 * dwarf2out.c (inline): Don't define.
3189 * dwarfout.c (inline): Likewise.
3191 Sun Jan 31 22:04:37 1999 Richard Henderson <rth@cygnus.com>
3193 * loop.c (recombine_givs): Dump recombination and derivation data.
3195 Sun Jan 31 20:34:29 1999 Zack Weinberg <zack@rabi.columbia.edu>
3197 * flags.h: Declare flag_no_ident.
3198 * toplev.c: Define flag_no_ident. Process -f(no-)ident here.
3199 * c-tree.h: Don't declare flag_no_ident.
3200 * c-decl.c: Don't define flag_no_ident. Don't process
3201 -f(no-)ident switches here.
3203 * config/elfos.h (ASM_FILE_END): Output final .ident directive
3204 only if !flag_no_ident.
3205 * config/ptx4.h: Likewise.
3206 * config/svr4.h: Likewise.
3207 * config/alpha/elf.h: Likewise.
3208 * config/arm/linux-elf.h: Likewise.
3209 * config/i386/sco5.h: Likewise.
3210 * config/i860/fx2800.h: Likewise.
3211 * config/mips/gnu.h: Likewise.
3212 * config/i386/osfrose.h: Likewise.
3214 * gcc.c (C specs): Map -Qn to -fno-ident.
3215 * objc/lang-specs.h: Likewise.
3217 Mon Feb 1 10:52:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3219 * configure.in: Don't remove loop.o and unroll.o when
3220 enable-haifa is selected.
3221 * configure: Rebuilt.
3223 Sun Jan 31 13:22:02 1999 John Wehle (john@feith.com)
3225 * i386.md (movsicc, movhicc, movsfcc, movdfcc,
3226 movxfcc, movdicc): Delete unconstrained alternatives.
3227 * i386.c (output_fp_conditional_move,
3228 output_int_conditional_move): Delete unused case.
3230 Sun Jan 31 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
3232 * version.c: Bump for snapshot.
3234 Sun Jan 31 00:52:37 1999 Richard Henderson <rth@cygnus.com>
3236 * alpha.md (mov patterns): Emit the assembler aliases mov and fmov
3237 instead of bis and cpys. Combine alternatives where possible.
3239 Sat Jan 30 23:14:13 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3241 * gcov.c (fnotice): Add missing FILE* parameter.
3242 (function_summary): Fix format specifiers in calls to `fnotice'.
3243 (output_data): Likewise.
3245 * toplev.c (fnotice): Constify char* parameter.
3247 * toplev.h (fnotice): Add prototype.
3248 Wrap prototype with BUFSIZ to protect FILE* usage.
3250 Sun Jan 31 15:33:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3252 * config/c4x/c4x.h (RTX_COSTS): Explicitly define c4x costs.
3254 Sat Jan 30 08:27:23 1999 Jeffrey A Law (law@cygnus.com)
3256 * combine.c (distribute_notes): Handle REG_EH_REGION notes.
3258 * alias.c (fixed_scalar_and_varying_struct_p): Add "static" to
3259 function definition.
3260 (aliases_everything_p, write_dependence_p):Likewise.
3262 * install.texi: Fix merge lossages.
3264 * cccp.c (main): Only call setlocale (LC_MESSAGES, ...) if LC_MESSAGES
3266 * collect2.c (main): Likewise.
3267 * cppmain.c (main): Likewise.
3268 * gcc.c (main): Likewise.
3269 * gcov.c (main): Likewise.
3270 * protoize.c (main): Likewise.
3271 * toplev.c (main): Likewise.
3273 * pa.md (parallel shift and shiftadd): Mark output of shift as an
3276 * loop.c: Disable recent loop changes. Temporary as Joern
3277 continues to fix problems.
3279 Sat Jan 30 03:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3281 * loop.c (strength_reduce): Size reg_map according to reg_iv_type.
3283 Fri Jan 29 18:26:07 1999 Dave Brolley <brolley@cygnus.com>
3285 * emit-rtl.c (remove_insn): New function.
3286 * rtl.h (remove_insn): Add prototype.
3287 * function.c (reposition_prologue_and_epilogue_notes): Call remove_insn.
3289 Fri Jan 29 22:34:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3291 * loop.c (recombine_givs): Don't try to derive givs that have combined.
3293 Fri Jan 29 15:00:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3295 * toplev.c (notice, fnotice): Check ANSI_PROTOTYPES, not __STDC__,
3296 when declaring arguments and calling va_arg() to initialize them.
3298 * collect2.c (notice): Likewise.
3300 * loop.c (find_life_end): Use PROTO() macro in the prototype.
3302 Fri Jan 29 14:36:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3304 * collect2.c (error): Fix typo in declaration.
3306 * cpperror.c (cpp_message): Likewise.
3308 * cpplib.c (cpp_warning): Likewise.
3310 * cpplib.h (cpp_notice): Use PVPROTO not VPROTO, also add
3313 * toplev.c (error): Fix typo in declaration.
3315 Fri Jan 29 15:44:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3317 * loop.c (strength_reduce): Fix HAVE_cc0 handling when scanning
3318 forward from cont dominator.
3320 Fri Jan 29 07:10:27 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3322 * cccp.c (eprint_string): Constify a char*.
3323 (notice): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
3324 (vnotice): Constify a char*.
3325 (error): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
3326 (verror): Constify a char*.
3327 (warning): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
3328 (vwarning): Constify a char*.
3329 (error_with_line): Likewise. Use PVPROTO not VPROTO, add
3331 (verror_with_line): Constify a char*.
3332 (vwarning_with_line): Likewise.
3333 (warning_with_line): Likewise. Use PVPROTO not VPROTO, add
3335 (pedwarn): Constify a char*. Use PVPROTO not VPROTO, add
3337 (pedwarn_with_line): Likewise with ATTRIBUTE_PRINTF_2.
3338 (pedwarn_with_file_and_line): Likewise with ATTRIBUTE_PRINTF_4.
3339 Also correct typo in parameter name declaration.
3340 (make_assertion): Constify a char*.
3341 (quote_string_for_make): Likewise.
3342 (deps_output): Likewise.
3343 (fatal): Likewise. Use PVPROTO not VPROTO, add
3344 ATTRIBUTE_PRINTF_1. Use ATTRIBUTE_NORETURN not an explicit
3345 "__attribute__ ((noreturn))".
3346 (fancy_abort): Likewise for ATTRIBUTE_NORETURN.
3347 (pfatal_with_name): Likewise.
3348 (pipe_closed): Likewise.
3349 (memory_full): Likewise.
3351 Fri Jan 29 00:14:55 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3353 * loop.c (strength_reduce): Grow set_in_loop / n_times_set /
3354 may_not_optimize to proper size when converting biv increments
3356 If necessary, reallocate reg_iv_type / reg_iv_info before calling
3359 Thu Jan 28 23:24:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3361 * loop.c (recombine_givs): New parameter unroll_p. If set, don't
3362 generate complex adds. Changed caller.
3363 Don't generate adds that cost more than the original one.
3364 (strength_reduce): Warning fixes.
3366 Thu Jan 28 09:41:11 1999 Jeffrey A Law (law@cygnus.com)
3368 * configure.in (hppa1.0-hp-hpux10*): Use t-pa.
3369 * configure: Rebuilt.
3371 Wed Jan 27 23:39:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3373 * rtl.h (insn_first_p, no_jumps_between_p): Declare.
3374 * rtlanal.c (insn_first_p, no_jumps_between_p): New function.
3375 * loop.h (varray.h): Include.
3376 (struct induction): Change combined_with to unsigned.
3377 New members derived, ix and last_use.
3378 (reg_iv_type, reg_iv_info): Now varray_type. All references changed.
3379 (REG_IV_TYPE, REG_IV_INFO): Define.
3380 (first_increment_giv, last_increment_giv): Declare.
3381 * loop.c (loop_number_loop_cont): New static variable.
3382 (loop_number_cont_dominator): Likewise.
3383 (reg_iv_type, reg_iv_info): Now varray_type.
3384 (first_increment_giv, last_increment_giv): New variables.
3385 (compute_luids, verify_dominator, find_life_end): New functions.
3386 (cmp_recombine_givs_stats, recombine_givs): Likewise.
3387 (loop_optimize): Allocate loop_number_loop_cont and
3388 loop_number_cont_dominator. Use compute_luids.
3389 (find_and_verify_loops): Initialize loop_number_loop_cont and
3390 loop_number_cont_dominator.
3391 (strength_reduce): Try to find bivs that can be expressed as givs
3392 of another biv, and to convert biv increments into givs.
3393 Call recombine_givs. Handle derived givs.
3394 (record_biv): New argument location. All callers changed.
3395 (record_giv): Initialize derived and last_use fields.
3396 (basic_induction_var): New argument location. All callers changed.
3397 (combine_givs): Don't combine a DEST_REG giv with a DEST_ADDR giv.
3398 Increment combined_with instead of setting to 1.
3399 * unroll.c (derived_regs): New static variable.
3400 (unroll_loop): Initialize it.
3401 Allocate local_regno according to max_reg_num.
3402 (copy_loop_body): Cope with derived givs.
3403 (find_splittable_givs): Check for Givs made from biv increments.
3404 Set derived_regs for givs.
3405 * Makefile.in (stmt.o, loop.o, unroll.o): Depend on loop.h .
3407 Wed Jan 27 19:31:36 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3409 * function.c (purge_addressof_1): Handle case when a register
3410 has been used in a wider mode.
3412 1999-01-27 Bruce Korb <autogen@linuxbox.com>
3414 * fixinc/fixincl.c, fixinc/server.[ch]:
3415 Removed the last of the capitalized variable and proc names.
3417 * fixinc/server.c: Removed the process open code
3418 * fixinc/procopen.c: New file containing the proc open code
3419 * fixinc/inclhack.tpl: Added code to bypass a readability test
3420 when a file is not present. A problem on some systems.
3421 * fixinc/inclhack.sh, fixinc/fixincl.sh: regenerated
3423 Wed Jan 27 11:58:18 1999 Dave Brolley <brolley@cygnus.com>
3425 * cpplib.h (cpp_notice): Add prototype.
3427 Wed Jan 27 02:20:48 1999 Jeffrey A Law (law@cygnus.com)
3429 * Merge gcc2 snapshot 19980929.
3431 * cccp.c (PRINTF_PROTO): Remove.
3432 (PRINTF_PROTO_{1,2,3,4}: Likewise.
3434 * system.h: Add PRINTF_PROTO and PRINTF_PROTO_{1,2,3,4}.
3436 * fix-header.c (cpp_file_lin_for_message): Delete. In libcpp.
3437 (cpp_print_containing_files, v_cpp_message, cpp_message): Likewise.
3438 (cpp_fatal, cpp-Pfatal_with_name): Likewise.
3440 * gen-protos.c (hashf): Delete in cpphash.o
3441 * gen-protos.c (hashf): Delete in cpphash.o
3443 * expr.c: Do not merge SAVE_STACKAREA_MODE changes.
3444 * expmed.c: Likewise.
3445 * rs6000.md: Likewise.
3447 * rs6000.c, rs6000.md: Do not merge formatting changes yet.
3449 Wed Jan 27 01:13:42 1999 Richard Henderson <rth@cygnus.com>
3451 * rs6000.c (input_operand): Don't expect CONST around CONSTANT_P_RTX.
3452 * rs6000.md (movsi, movdi): Likewise.
3454 Tue Jan 26 13:31:38 1999 Jim Wilson <wilson@cygnus.com>
3456 * function.c (expand_function_end): Pass arg_pointer_save_area to
3457 validize_mem before using it. Emit code into a sequence.
3459 Tue Jan 26 13:41:38 1999 David Edelsohn <edelsohn@gnu.org>
3461 * rs6000.md (doz + set cr and or + set cr patterns): Add missing
3462 '#' to split patterns. Correct indentation of some new patterns.
3464 1999-01-26 12:11 -0500 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
3466 * cppfiles.c (safe_read): Deleted.
3467 (read_and_prescan): New function, replaces safe_read, converts
3468 and/or warns about trigraphs, silently converts odd line
3469 terminators (\r, \n\r, \r\n). Warns about no newline at EOF.
3470 (finclude): Use read_and_prescan; turn off nonblocking mode on
3471 the input descriptor; remove file-size-examination and
3472 no-newline-at-EOF gunk which is longer necessary; be more
3473 careful about checking that we've been handed a legitimate
3474 file to read (only real files, pipes, and ttys are acceptable).
3475 * cpplib.h (cpp_options): Rename no_trigraphs flag to
3476 `trigraphs' and invert its sense.
3477 (trigraph_table): Declare.
3478 (cpp_warning_with_line): Prototype.
3479 * cpplib.c: Remove all references to trigraph_pcp. Define
3480 trigraph_table; initialize it in initialize_char_syntax. Open
3481 files in nonblocking mode. s/no_trigraphs/trigraphs/
3482 throughout, and invert sense. Put cpp_warning_with_line back
3485 Tue Jan 26 23:21:49 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3487 * config/c4x/c4x.h (COUNTER_REGS): New register class.
3488 * config/c4x/c4x.md (*rptb_init): Change constraints.
3489 (rptb_end): Emit alternate looping instructions if
3490 RC register not allocated for loop counter.
3491 (decrement_and_branch_on_count): Allow other registers
3494 1999-01-25 14:26 -0500 Zack Weinberg <zack@rabi.columbia.edu>
3496 * cppexp.c (struct arglist): Removed.
3497 (parse_number): Use HOST_WIDE_INT for the accumulator.
3498 Allow two `l' suffixes unless C89. Clean up. Make static.
3499 (parse_charconst): New function broken out of cpp_lex.
3500 Code cleaned up drastically. Don't use a token_buffer.
3501 (token_buffer): Removed.
3502 (cpp_lex): Don't call parse_number on a constant string.
3503 Use parse_charconst.
3504 (cpp_parse_expr): Properly handle an ERROR op returned by
3507 1999-01-25 14:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3509 * cpplib.c: Don't include signal.h, sys/times.h, or
3510 sys/resource.h. Don't declare localtime.
3511 (macroexpand): Handle special symbols here.
3512 (push_macro_expansion): Chop off the trailing '@ ' if possible
3514 (cpp_get_token): Don't do either of the above two things here.
3515 Move `string' label just after case '"' so that wide strings
3516 don't crash the preprocessor.
3518 Sun Jan 24 20:13:45 1999 David Edelsohn <edelsohn@gnu.org>
3520 * rs6000.md (left shift + set cr patterns): Add missing '#' to
3522 (move register + set cr pattern): Ditto.
3523 (movdi, !TARGET_POWERPC64 splitters): Add back in Jan. 15th patch,
3524 inadvertently deleted.
3526 Sun Jan 24 08:07:59 1999 Jeffrey A Law (law@cygnus.com)
3528 * stmt.c (stmt_loop_nest_empty): New function.
3529 * tree.h (stmt_loop_nest_empty): Declare it.
3530 * rtl.def (CALL_PLACEHOLDER): New rtx code.
3532 Sun Jan 24 21:24:43 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3534 * config/c4x/c4x.c (c4x_emit_move_sequence, c4x_encode_section_info):
3536 (c4x_check_legit_addr): Remove USE and PLUS, allow
3537 LO_SUM, and disable SYMBOL_REF, LABEL_REF, and CONST cases.
3538 (c4x_legitimize_address): Penalise SYMBOL_REF, LABEL_REF, and
3539 CONST cases. Add LO_SUM.
3540 (c4x_print_operand): Modified 'C' and 'R' cases for calls.
3541 Added 'U' case. Remove dependence on SYMBOL_REF_FLAG.
3542 (c4x_print_operand_address): Handle LO_SUM.
3543 (c4x_scan_for_ldp): Delete. Hooray!
3544 (c4x_process_after_reload): Remove call to c4x_scan_for_ldp.
3546 (c4x_immed_int_constant): Renamed from c4x_int_constant. All callers
3548 (c4x_immed_float_constant): Renamed from c4x_float_constant. All
3550 (c4x_T_constraint): Allow LO_SUM, disable SYMBOL_REF, LABEL_REF,
3552 (c4x_U_constraint, symbolic_operand): New functions.
3553 (src_operand): Allow 'I' constants in HImode. Allow LO_SUM,
3554 disable SYMBOL_REF, LABEL_REF, and CONST.
3555 (lsrc_operand, tsrc_operand): Call src_operand instead of
3557 (c4x_operand_subword): Update comments.
3559 * config/c4x/c4x.c (TARGET_LOAD_ADDRESS): New macro.
3560 (LEGITIMATE_CONSTANT_P): Allow SYMBOL_REF, LABEL_REF, CONST,
3561 plus HIGH and LO_SUM for the C40.
3562 (ENCODE_SECTION_INFO): Define macro.
3563 (symbolic_operand, c4x_U_constraint, c4x_emit_move_sequence): New
3565 (PREDICATE_CODES): Add symbolic_operand.
3567 * config/c4x/c4x.md (movqi, movgqf, movhi, movhi): Call
3568 c4x_emit_move_sequence.
3569 (floatunsqiqf2, fixuns_truncqfqi2): Rework emitted RTL
3570 to avoid symbol references.
3571 (all patterns with g constraint): Replace 'g' constraint with 'rIm'.
3572 (set_high): Renamed from set_high_use.
3573 (set_lo_sum): Renamed from set_ior_lo_use.
3574 (all call patterns): Make MEM explicit in call address operands.
3575 Modified output templates to use 'U' modifier.
3577 Sun Jan 24 01:15:05 PST 1999 Jeff Law (law@cygnus.com)
3579 * version.c: Bump for snapshot.
3581 Sat Jan 23 22:34:57 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3583 * final.c (bb_str): Qualify a char* with the keyword `const'.
3584 (add_bb_string, final_scan_insn, output_asm_insn): Likewise.
3586 * fix-header.c (read_scan_file): Likewise.
3588 * genoutput.c (output_epilogue, process_template): Likewise.
3590 * local-alloc.c (requires_inout, block_alloc): Likewise.
3592 * output.h (output_asm_insn, assemble_string): Likewise.
3594 * recog.c (recog_constraints, check_asm_operands,
3595 decode_asm_operands, extract_insn, preprocess_constraints,
3596 constrain_operands): Likewise.
3598 * recog.h (operand_alternative, recog_constraints, insn_template,
3599 insn_outfun, insn_operand_constraint, insn_name): Likewise.
3601 * regclass.c (record_reg_classes, scan_one_insn): Likewise.
3603 * regmove.c (find_matches): Likewise.
3605 * reload.c (alternative_allows_memconst): Likewise.
3607 * reload1.c (constraint_accepts_reg_p,
3608 reload_cse_simplify_operands): Likewise.
3610 * rtl.h (decode_asm_operands): Likewise.
3612 * scan.h (fn_decl): Likewise.
3614 * varasm.c (assemble_string): Likewise.
3616 Sat Jan 23 01:37:36 1999 Jeffrey A Law (law@cygnus.com)
3618 * configure.in (gcc_tooldir): Handle case where exec_prefix has
3619 not been explicitly set.
3620 * configure: Rebuilt.
3622 * fold-const.c (lshift_double): Mark 'prec' arguments as possibly
3625 * bitmap.h (bitmap_head_def): Make indx field unsigned.
3627 * configure.in (gcc_tooldir): When not making a relative gcc_tooldir,
3628 use $exec_prefix/$target_alias for gcc_tooldir.
3629 * configure: Rebuilt.
3631 Fri Jan 22 11:48:56 1999 Richard Henderson <rth@cygnus.com>
3633 * cppp.c (xrealloc): Fix typo last change.
3634 * cppalloc.c, gcc.c, genattr.c, genattrtab.c, gencodes.c: Likewise.
3635 * genconfig.c, genemit.c, genextract.c, genflags.c: Likewise.
3636 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
3638 1999-01-22 Michael Meissner <meissner@cygnus.com>
3640 * rs6000.h (CR0_REGNO_P): New macro to test if cr0.
3641 (CR_REGNO_NOT_CR0_P): New macro to test if cr, but not cr0.
3642 (PREDICATE_CODES): Add cc_reg_not_cr0_operand.
3643 (cc_reg_not_cr0_operand): Add declaration.
3645 * rs6000.c (cc_reg_not_cr0_operand): Return true if register is a
3646 pseudo register, or a control register that is not CR0.
3648 * rs6000.md (all combiner patterns building . instructions): For
3649 all `.' instructions that do something and set cr0, add an
3650 alternative that does the operation, and then sets a different
3651 flag, in order to avoid using the costly mcrf instruction and also
3652 allow cr0 to be clobbered in asm statements. Also fix a few
3653 patterns that used the wrong register.
3655 * rs6000.h (rs6000_cpu_select): Make string, names be const char *.
3656 (rs6000_debug_name): Make const char *, not char *.
3658 * sysv4.h (rs6000_{abi,sdata}_name): Make const char *.
3660 * rs6000.c (rs6000_{debug,abi,sdata}_name): Make const char *.
3661 (rs6000_select): Use const char * in casts.
3663 Fri Jan 22 07:43:01 1999 Jeffrey A Law (law@cygnus.com)
3665 * Makefile.in (gcc_tooldir): Move before first reference.
3666 Let autoconf substitute in a value.
3667 * configure.in (gcc_tooldir): Only use a relative path to the
3668 tool directory if $exec_prefix == $prefix.
3669 * configure: Rebuilt.
3671 * Makefile.in (tooldir): Replace with gcc_tooldir.
3673 Thu Jan 21 23:21:57 1999 Jeffrey A Law (law@cygnus.com)
3675 * m68k.md (ashldi_const): Disable for !TARGET_5200. Fix indention.
3676 (ashldi3 expander): Similarly. Update comments.
3677 (ashrdi_const, lshrdi_const): Fix indention.
3678 (ashrdi3, lshrdi3): FIx indention. Update comments.
3680 Thu Jan 21 21:53:36 1999 Richard Henderson <rth@cygnus.com>
3682 * emit-rtl.c (try_split): Don't try to split non-instructions.
3684 Thu Jan 21 23:47:30 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
3686 * expr.c (emit_push_insn): Fix dumb typo.
3688 Thu Jan 21 20:24:02 1999 Richard Henderson <rth@cygnus.com>
3690 * rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Recognize and accept
3691 transformations that we have performed earlier.
3692 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
3694 * alpha.md (prologue_stack_probe_loop): Don't do our own label
3695 handling, call gen_label_rtx instead.
3697 Thu Jan 21 17:45:18 1999 Richard Henderson <rth@cygnus.com>
3699 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): Add missing `then'.
3701 * cccp.c (xrealloc): Call malloc given a NULL old pointer.
3702 * collect2.c, cppalloc.c, gcc.c, genattr.c, genattrtab.c: Likewise.
3703 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
3704 * genflags.c, genopinit.c, genoutput.c, genpeep.c: Likewise.
3705 * genrecog.c, mips-tfile.c, protoize.c: Likewise.
3707 Thu Jan 21 19:44:55 1999 Michael Meissner <meissner@cygnus.com>
3709 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): If
3710 --with-gnu-ld, use x-aix41-gld instead of x-aix41 to suppress
3711 adding -Wl,-bbigtoc to BOOT_LDFLAGS.
3712 * configure: Regenerate.
3714 * config/rs6000/x-aix41-gld: New file, don't set BOOT_LDFLAGS.
3716 Thu Jan 21 15:48:03 1999 Dave Brolley <brolley@cygnus.com>
3718 * cppexp.c (cpp_lex): Allocate token_buffer dynamically.
3720 Thu Jan 21 14:18:04 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
3722 * expr.c (MOVE_BY_PIECES_P): Define condition for deciding to use
3724 (MOVE_MAX_PIECES): Define maximum number of bytes to move at once.
3725 (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT): Define defaults.
3726 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define defaults.
3727 (move_by_pieces): Use new macros.
3728 (emit_block_move): Use new macros.
3729 (clear_by_pieces): Use new macros.
3730 (clear_storage): Use new macros.
3731 (emit_push_insn): Use new macros.
3732 (expand_expr): Use new macros.
3733 * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT):
3735 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define.
3736 (MOVE_BY_PIECES_P): Define based on alignment and TARGET_SMALLCODE.
3737 (MOVE_MAX_PIECES): move 8 bytes on SH4.
3738 * tm.texi(MOVE_BY_PIECES_P, MOVE_MAX_PIECES, USE_LOAD_POST_INCREMENT,
3739 USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT,
3740 USE_STORE_PRE_DECREMENT): Describe new macros.
3742 Thu Jan 21 14:13:31 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
3744 * varasm.c (output_constant_pool): Use floor_log2 instead of
3745 exact_log2 for ASM_OUTPUT_ALIGN.
3747 * stor-layout.c (layout_type): Do machine-dependent extra alignment.
3749 * emit-rtl.c (operand_subword): Handle case when a subword outside
3752 * tm.texi (ROUND_TYPE_{SIZE,ALIGN}): More accurate descriptions of
3755 Thu Jan 21 01:59:30 1999 Richard Henderson <rth@cygnus.com>
3757 * cse.c (fold_rtx): Revert 29 Dec change.
3758 (cse_insn): Revert 12 Jan change.
3759 * expr.c (expand_builtin): Don't emit CONST around CONSTANT_P_RTX.
3760 * regclass.c (reg_scan_mark_refs): Revert 29 Dec change.
3761 * rtl.def: Likewise.
3762 * rtl.h (CONSTANT_P): Likewise.
3764 * expr.c (emit_move_insn): Never try to flush CONSTANT_P_RTX
3766 * recog.c (immediate_operand): Accept CONSTANT_P_RTX.
3767 * alpha.c (input_operand): Likewise.
3768 * c4x.c (const_operand): Likewise.
3770 * explow.c (allocate_dynamic_stack_space): Use register_operand
3771 instead of arith_operand, which does not exist.
3773 * 1750a.h: Fix comment closure.
3774 * a29k.c (a29k_set_memflags): Fix typo in 19 Jan change.
3775 * arc.md (one_cmplsi2_set_cc_insn): Fix set mode mismatch.
3776 * arm.h (TARGET_SWITCHES): Fix typo.
3777 * i370.md (anon mult and div patterns): Fix set mode mismatch.
3778 * i860.c (output_delayed_branch): Fix operands to constrain_operands.
3779 (output_delay_insn): Likewise.
3780 * m88k.md (anon rotate insns): Fix set mode mismatch.
3781 (anon BLKmode moves): Commonize and fix set mode mismatches.
3782 * ns32k.md (udivmoddi[shq]i4_internal): Fix mode mismatch.
3783 * romp.md (movdf): Fix typo.
3785 Thu Jan 21 00:29:35 1999 Nathan Sidwell <nathan@acm.org>
3787 * Makefile.in (install-common): Remove extraneous chmod for gcov
3790 Wed Jan 20 18:15:08 1999 Dave Brolley <brolley@cygnus.com>
3792 * function.c (assign_parms): Save and restore setting of
3795 Wed Jan 20 12:51:42 1999 Mark Mitchell <mark@markmitchell.com>
3797 * arm.md: Use MEM_COPY_ATTRIBUTES where appropriate throughout.
3798 Pass MEM_SCALAR_P to arm_gen_store_multiple where appropriate.
3800 Tue Jan 19 21:20:52 1999 Richard Henderson <rth@cygnus.com>
3802 * recog.c (pop_operand): New function.
3803 * recog.h (pop_operand): Declare it.
3804 * genrecog.c (preds): Define it.
3806 * expr.c (do_jump_for_compare): Handle conditional branch expanders
3807 emitting multiple jump instructions.
3808 * jump.c (condjump_label): New function.
3809 * rtl.h (condjump_label): Declare it.
3811 Tue Jan 19 21:08:20 1999 Richard Henderson <rth@cygnus.com>
3813 * expr.c (emit_move_insn_1): Revert 17 Dec change. Don't emit
3814 clobber during or after reload.
3816 Tue Jan 19 16:56:03 1999 Richard Henderson <rth@cygnus.com>
3818 * genoutput.c (name_for_index): New function.
3819 (scan_operands, validate_insn_alternatives): Use it.
3820 * genrecog.c (insn_name_ptr_size): New variable.
3821 (make_insn_sequence): Fill in insn_name_ptr.
3822 (merge_trees): Use it.
3824 Tue Jan 19 16:37:36 1999 Richard Henderson <rth@cygnus.com>
3826 * i386/isc.h (TARGET_DEFAULT): Define symbolicly.
3827 * i386/isccoff.h, i386/next.h, i386/sco.h, i386/sco5.h: Likewise.
3828 * i386/scodbx.h, i386/sequent.h, i386.unix.h: Likewise.
3830 Tue Jan 19 15:00:10 1999 Jeffrey A Law (law@cygnus.com)
3832 * loop.c (NUM_STORES): Delete.
3833 (loop_store_mems): Turn into an EXPR_LIST of MEMs.
3834 (prescan_loop): Properly initialize loop_mems_idx.
3835 (note_addr_stored): Simplify using list structure instead of
3837 (invariant_p, check_dbra_loop, load_mems): Similarly.
3839 * flow.c (invalidate_from_autoinc): New function.
3840 (mark_set_1, mark_used_regs): Use it.
3842 * Makefile.in (protoize.o, unprotoize.o): Depend on Makefile.
3844 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
3846 * invoke.texi (-mlong-double-64): New option description.
3848 1999-01-19 Jim Wilson <wilson@cygnus.com>
3850 * libgcc2.c: Change all uses of LONG_DOUBLE_TYPE_SIZE to
3851 LIBGCC2_LONG_DOUBLE_TYPE_SIZE.
3852 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): New. Set to LONG_DOUBLE_TYPE_SIZE
3854 * i960/i960.h (MULTILIB_DEFAULTS): Define to mnumerics.
3855 (CPP_SPECS): Add -mlong-double-64 support.
3856 (TARGET_FLAG_LONG_DOUBLE_64, TARGET_LONG_DOUBLE_64): New.
3857 (TARGET_SWITCHES): Add -mlong-double-64 support.
3858 (LONG_DOUBLE_TYPE_SIZE): Likewise.
3859 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
3860 * i960/vx960-coff.h (MULTILIB_DEFAULTS): Define to msoft-float.
3861 (CPP_SPECS): Add -mlong-double-64 support.
3862 * i960/t-960bare (MULTILIB_OPTIONS): Add mlong-double-64.
3863 (MULTILIB_DIRNAMES): Add ld64.
3864 * i960/t-vxworks960 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Likewise.
3866 Tue Jan 19 11:54:04 1999 Jason Merrill <jason@yorick.cygnus.com>
3868 * calls.c (expand_call): Strip a TARGET_EXPR if we're passing by
3869 invisible reference.
3871 Tue Jan 19 14:51:36 1999 David Edelsohn <edelsohn@gnu.org>
3873 * rs6000.c (offsettable_addr_operand): Delete.
3874 (offsettable_mem_operand): New function.
3875 * rs6000.h (PREDICATE_CODES): Reflect function change.
3876 (RS6000_SAVE_TOC): Represent address as MEM.
3877 * win-nt.h (RS6000_SAVE_TOC): Same.
3878 * rs6000.md (indirect calls): Change offsettable address parameter
3879 to offsettable memory parameter.
3881 Tue Jan 19 10:24:53 1999 Mark Mitchell <mark@markmitchell.com>
3883 * rtl.h (rtx_def): Update documentation.
3884 (MEM_IN_STRUCT_P): Likewise.
3885 (MEM_SCALAR_P): New macro.
3886 (MEM_COPY_ATTRIBUTES): Likewise.
3887 (MEM_SET_IN_STRUCT_P): Likewise.
3888 * rtl.texi (MEM_SCALAR_P): Document.
3889 * alias.c (canon_rtx): Use MEM_COPY_ATTRIBUTES.
3890 (fixed_scalar_and_varying_struct_p): New function. Use
3891 MEM_SCALAR_P rather than !MEM_IN_STRUCT_P.
3892 (aliases_everything_p): Likewise.
3893 (true_dependence): Use them.
3894 (write_dependence_p): New function, containing code common to
3895 anti_dependence and output_dependence.
3896 (anti_dependence): Use it.
3897 (output_dependence): Likewise.
3898 * calls.c (save_fixed_argument_area): Don't clear
3900 (expand_call): Use MEM_SET_IN_STRUCT_P.
3901 (emit_library_call): Don't clear MEM_IN_STRUCT_P.
3902 (emit_library_call_value): Likewise.
3903 (store_one_arg): Use MEM_SET_IN_STRUCT_P.
3904 * combine.c (simplify_rtx): Use MEM_COPY_ATTRIBUTES.
3905 (make_extraction): Likewise.
3906 (simplify_shift_const): Likewise.
3907 (gen_lowpart_for_combine): Likewise.
3908 * cse.c (gen_lowpart_if_possible): Use MEM_COPY_ATTRIBUTES.
3909 * emit-rtl.c (operand_subword): Likewise.
3910 (change_address): Likewise.
3911 * explow.c (stabilize): Use MEM_COPY_ATTRIBUTES.
3912 * expr.c (protect_from_queue): Use MEM_COPY_ATTRIBUTES.
3913 (emit_group_store): Use MEM_SET_IN_STRUCT_P.
3914 (copy_blkmode_from_reg): Likewise.
3915 (store_field): Likewise.
3916 (expand_expr): Remove bogus guesswork setting MEM_IN_STRUCT_P
3917 heuristically. Use MEM_SET_IN_STRUCT_P.
3918 (get_memory_rtx): Likewise.
3919 * final.c (alter_subreg): Use MEM_COPY_ATTRIBUTES.
3920 * function.c (assign_stack_temp): Clear MEM_SCALAR_P and
3921 MEM_ALIAS_SET on newly returned MEMs.
3922 (assign_temp): Use MEM_SET_IN_STRUCT_P.
3923 (put_reg_into_stack): Likewise.
3924 (fixup_var_refs1): Use MEM_COPY_ATTRIBUTES.
3925 (gen_mem_addressof): Use MEM_SET_IN_STRUCT_P.
3926 (assign_parms): Likewise.
3927 (expand_function): Likewise.
3928 * integrate.c (expand_inline_function): Likewise.
3929 (copy_rtx_and_substitute): Use MEM_COPY_ATTRIBUTES.
3930 * loop.c (note_addr_stored): Remove check on MEM_IN_STRUCT_P.
3931 * optabs.c (gen_move_insn): Use MEM_COPY_ATTRIBUTES.
3932 * print-rtl.c (print_rtx): Print /f for frame_related.
3933 * recog.c (validate_replace_rtx_1): Use MEM_COPY_ATTRIBUTES.
3934 * reload1.c (reload): Copy MEM_SCALAR_P as well.
3935 * stmt.c (expand_decl): Use MEM_SET_IN_STRUCT_P.
3936 (expand_anon_union_decl): Use MEM_COPY_ATTRIBUTES.
3937 * varasm.c (make_decl_rtl): Use MEM_SET_IN_STRUCT_P.
3938 (output_constant_def): Likewise.
3939 * a29k.c (a29k_set_memflags_1): Take scalar_p.
3941 (a29k_set_memflags): Use it.
3942 * alpha.c (get_aligned_mem): Use MEM_COPY_ATTRIBUTES.
3943 * c4x.c (c4x_scan_for_ld): Likewise.
3944 * h8300.c (fix_bit_operand): Likewise.
3945 * m88k.c (legitimize_address): Likewise.
3946 (block_move_loop): Likewise.
3947 (block_move_no_loop): Likewise.
3948 (block_move_sequence): Likewise.
3949 (m88k_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
3950 * mips/abi64.h (SETUP_INCOMING_VARARGS): Likewise.
3951 * rs6000.c (expand_block_move_insn): Use MEM_COPY_ATTRIBUTES.
3952 * sh.c (sh_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
3953 * arm.h (arm_gen_load_multiple): Take scalar_p.
3954 (arm_store_load_multiple): Likewise.
3955 * arm.c (arm_gen_load_multiple): Likewise.
3956 (arm_gen_store_multiple): Likewise.
3957 (arm_gen_movstrqi): Treat MEM_SCALAR_P like MEM_IN_STRUCT_P.
3959 Tue Jan 19 12:30:37 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
3961 * optabs.c (emit_libcall_block): Add a REG_EH_REGION reg note to all
3962 calls within a libcall block to indicate no throws are possible.
3963 * flow.c (find_basic_blocks, find_basic_blocks_1): Don't look for
3964 libcall blocks. Don't add edges to exception handlers if we see
3965 a REG_EH_REGION note with a value of 0.
3966 (make_edges): Override active_eh_region vector if the call has a note
3967 indicating the call does not throw.
3969 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
3971 * config/rs6000/sysv4.h (CC1_SPEC): Fix correct numbers of {}.
3973 Tue Jan 19 06:26:30 1999 Jeffrey A Law (law@cygnus.com)
3975 * Makefile.in (cccp.o, cpplib.o): Depend on Makefile.
3977 Mon Jan 18 09:56:41 1999 Jason Merrill <jason@yorick.cygnus.com>
3979 * invoke.texi (C++ Dialect Options): Document -fno-rtti.
3981 1999-01-18 Vladimir N. Makarov <vmakarov@cygnus.com>
3983 * invoke.texi (-mcpu=740, -mcpu=750): New options.
3984 (-m(no-)multiple, -m(no-)string): Describe cases for PPC740 &
3987 1999-01-18 Michael Meissner <meissner@cygnus.com>
3989 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
3990 supported with -mcpu=xxx.
3991 (processor_type): Add PROCESSOR_PPC750.
3992 (ADJUST_PRIORITY): Call rs6000_adjust_priority.
3993 (RTX_COSTS): Supply costs for 750 multiply/divide operations.
3994 (rs6000_adjust_priority): Add declaration.
3996 * rs6000.c (rs6000_override_options): -mcpu={750,740} now sets the
3997 processor type as 750, not 603. Allow -mmultiple and -mstring on
3998 little endian 750 systems.
3999 (rs6000_adjust_priority): Stub for now.
4000 (get_issue_rate): The PowerPC 750 can issue 2 instructions/cycle.
4002 * rs6000.md (function/cpu attributes): Add initial ppc750 support.
4004 * sysv4.h (STRICT_ALIGNMENT): Don't force strict alignment if
4006 (CC1_SPEC): Pass -mstrict-align if little endian, and not
4008 (CC1_ENDIAN_{LITTLE,BIG,DEFAULT}_SPEC): Endian specific configs.
4009 (SUBTARGET_EXTRA_SPECS): Add cc1 endian specs.
4011 * {sysv4,eabi}le.h (CC1_ENDIAN_DEFAULT_SPEC): Override, default is
4014 * t-ppcgas (MULTILIB_*): Delete obsolete Solaris multilibs.
4016 Mon Jan 18 12:03:08 1999 Gavin Romig-Koch <gavin@cygnus.com>
4018 * config/mips/mips.md (div_trap): Split div_trap_mips16
4020 (div_trap_normal,div_trap_mips16): Correct the length attributes.
4022 Mon Jan 18 11:48:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4024 * cpplib.c (special_symbol): Qualify a char* with the `const' keyword.
4025 Instead of writing to const char *buf directly, use a non-const
4026 variable `wbuf' to allocate and write a string, then set buf = wbuf.
4028 * cppulp.c (user_label_prefix): Qualify a char* with the `const'
4031 * dyn-string.c (dyn_string_append): Likewise.
4033 * dyn-string.h (dyn_string_append): Likewise.
4035 * final.c (end_final, output_operand_lossage, asm_fprintf): Likewise.
4037 * output.h (end_final, output_operand_lossage, asm_fprintf,
4038 named_section, decode_reg_name, make_decl_rtl, user_label_prefix):
4041 * profile.c (init_branch_prob): Likewise.
4043 * toplev.c (set_target_switch, vmessage,
4044 v_message_with_file_and_line, v_message_with_decl,
4045 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
4046 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
4047 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
4048 v_pedwarn_with_file_and_line, vsorry, v_really_sorry,
4049 open_dump_file, dump_rtl, clean_dump_file,
4050 print_version, print_single_switch, print_switch_values,
4051 dump_base_name, debug_args, lang_independent_options,
4052 user_label_prefix, documented_lang_options, target_switches,
4053 target_options, print_time, pfatal_with_name, fatal_io_error,
4054 fatal_insn, default_print_error_function, print_error_function,
4055 report_error_function, error_with_file_and_line, error_with_decl,
4056 error_for_asm, error, fatal, warning_with_file_and_line,
4057 warning_with_decl, warning_for_asm, warning, pedwarn,
4058 pedwarn_with_decl, pedwarn_with_file_and_line, sorry,
4059 really_sorry, botch, output_quoted_string, output_file_directive,
4060 open_dump_file, rest_of_decl_compilation, display_help, main):
4063 * toplev.h (print_time, fatal, fatal_io_error, pfatal_with_name,
4064 fatal_insn, warning, error, pedwarn, pedwarn_with_file_and_line,
4065 warning_with_file_and_line, error_with_file_and_line, sorry,
4066 really_sorry, default_print_error_function, report_error_function,
4067 rest_of_decl_compilation, pedwarn_with_decl, warning_with_decl,
4068 error_with_decl, error_for_asm, warning_for_asm, output_quoted_string,
4069 output_file_directive, botch): Likewise.
4071 * tree.h (make_decl_rtl): Likewise.
4073 * varasm.c (strip_reg_name, named_section, decode_reg_name,
4074 make_decl_rtl): Likewise.
4076 Mon Jan 18 11:35:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
4078 * Makefile.in (TCL_LIBRARY): Use 'cd' to find the library
4079 directory logically rather than physically.
4081 Mon Jan 18 09:05:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4083 * loop.c (insert_bct): Hide the definition of variables
4084 `increment_direction', `compare_direction', `add_iteration' and
4087 * recog.c (mode_dependent_address_p): Mark parameter `addr' with
4088 ATTRIBUTE_UNUSED. Mark label `win' with ATTRIBUTE_UNUSED_LABEL.
4089 (mode_independent_operand): Mark label `lose' with
4090 ATTRIBUTE_UNUSED_LABEL.
4092 * regclass.c (n_occurrences): Remove prototype and definition.
4094 * reload.c (find_reloads_address_1): Mark variable `tem' with
4097 * reload1.c (reload): Cast the first two arguments of `bcopy' to PTR.
4099 * sbitmap.c (sbitmap_copy): Likewise.
4101 * scan-decls.c (scan_decls): Hide label `handle_comma'.
4103 * toplev.c (output_lang_identify): Mark prototype with
4106 * tree.c (make_node): Cast the first argument of `bzero' to PTR.
4107 (make_tree_vec): Likewise.
4110 * varasm.c (assemble_static_space): Mark variable `tem' with
4113 Mon Jan 18 04:28:36 1999 Nathan Sidwell <nathan@acm.org>
4115 * Makefile.in (GCOV_INSTALL_NAME): New macro.
4116 (install-common): Use it.
4117 (uninstall): Use it.
4118 (uninstall): Use correct names for protoize and unprotoize.
4120 Mon Jan 18 03:52:56 1999 Christian Bruel <Christian.Bruel@st.com>
4121 Jeffrey A Law (law@cygnus.com)
4123 * flow.c (last_mem_set): Delete variable. References removed.
4124 (mem_set_list): New variable.
4125 (life_analysis): Initialize and finalize alias analysis.
4126 (propagate_block); Initialize mem_set_list. Clear for CALL_INSNs.
4127 (insn_dead_p): For a store to memory, search the entire mem_set_list
4129 (mark_set_1): Kill entries on the mem_set_list for aliased writes or
4130 changes to their addresses. Add new entries to the mem_set_list for
4131 memory writes writes.
4132 (mark_used_regs): Kill entries on the mem_set_list which may be
4133 referenced by a load operation.
4135 Mon Jan 18 01:01:02 1999 Jeffrey A Law (law@cygnus.com)
4137 * alias.c (base_alias_check): Add missing return for differing
4140 Mon Jan 18 00:36:13 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4142 * mips-tdump.c (print_file_desc): Handle unknown filenames and
4143 missing local symbols.
4145 Sun Jan 17 21:04:31 1999 Richard Henderson <rth@cygnus.com>
4147 * jump.c (rtx_renumbered_equal_p): Special case CODE_LABEL.
4149 * system.h (bcopy): Implement with memmove not memcpy.
4151 Sun Jan 17 19:23:20 1999 Jeffrey A Law (law@cygnus.com)
4153 * Makefile.in (cppulp.o): Add dependencies.
4155 * i386.md (integer conditional moves): Add missing earlyclobbers.
4157 * regmove.c (optimize_reg_copy_1): Undo Aug 18 change. Update
4158 REG_N_CALLS_CROSSED and REG_LIVE_LENGH if and only if we change
4159 where a register is live.
4161 Sun Jan 17 03:20:47 1999 H.J. Lu (hjl@gnu.org)
4163 * reg-stack.c (subst_stack_regs_pat): Abort if the destination
4164 of a FP conditional move is not on the FP register stack.
4166 Sun Jan 17 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
4168 * version.c: Bump for snapshot.
4170 Sat Jan 16 23:40:33 1999 Jeffrey A Law (law@cygnus.com)
4172 * reload1.c (reload_cse_regs_1): Do not call
4173 reload_cse_simplify_operands for an insn with asm operands.
4175 * cccp.c (print_help): Fix typos.
4176 * cpplib.c (print_help): Fix typos.
4177 * toplev.c (f_optiosn): Fix typos.
4178 (documented_lang_options): Fix typos.
4180 Sat Jan 16 21:48:17 1999 Marc Espie (Marc.Espie@openbsd.org)
4182 * gcc.c: (do_spec_1): Fix obvious typo.
4184 Sat Jan 16 19:31:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4186 * c-decl.c (duplicate_decls): If `warn_traditional', warn when
4187 a non-static function declaration follows a static one.
4189 * invoke.texi (-Wtraditional): Document the extra check now done
4192 Sat Jan 16 15:13:46 1999 Jeffrey A Law (law@cygnus.com)
4194 * pa.md (shadd): Create shadd insns, even if the result of the shift is
4195 needed without the addition.
4197 Sat Jan 16 10:48:16 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4199 * sh.md (movdf, movsf): Temporary workaround for no_new_pseudos lossage.
4201 Fri Jan 15 23:44:37 1999 Richard Henderson <rth@cygnus.com>
4203 * sparc.c (sparc_issue): Add hypersparc/sparclite86x entries.
4205 Fri Jan 15 22:30:04 1999 David Edelsohn <edelsohn@gnu.org>
4207 * rs6000.h (CONST_OK_FOR_LETTER_P): Do not assume 32-bit CONST_INT.
4208 * rs6000.c (u_short_cint_operand, add_operand, logical_operand,
4209 non_add_cint_operand, non_logical_cint_operand): Likewise.
4210 (get_issue_rate): Add CPU_PPC604E case.
4211 * rs6000.md (movdi, !TARGET_POWERPC64 splitters): Handle 64-bit hosts.
4213 Fri Jan 15 18:42:12 1999 Richard Henderson <rth@cygnus.com>
4215 * expr.c (queued_subexp_p): Make public.
4216 * expr.h (queued_subexp_p): Declare it.
4217 * recog.c (asm_operand_ok): New function.
4218 (check_asm_operands): Use it. After reload, use constrain_operands
4220 * recog.h (asm_operand_ok): Declare it.
4221 * stmt.c (expand_asm_operands): Use it to try harder to make
4222 asms initially satisfy their constraints.
4224 Fri Jan 15 17:43:59 1999 Jeffrey A. Law <law@rtl.cygnus.com>
4226 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do not create
4227 (mem (lo_sum (...)) for TFmode unless TARGET_V9.
4229 Sat Jan 16 12:47:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4231 * config/c4x/c4x.md (not_repeat_reg): Allow ldp instruction
4232 in delay slot of RPTBD.
4234 Sat Jan 16 12:26:40 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4236 * config/c4x/libgcc.S (___divhi3, ___modhi3): Fix long long
4237 divide and modulo sign problem.
4239 Fri Jan 15 11:02:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4241 * unroll.c (loop_iterations): Return 0 if the last loop insn
4242 is not a jump insn or if the loop has multiple back edges.
4244 1999-01-15 Manfred Hollstein <manfred@s-direktnet.de>
4246 * configure.in (fixinc_defs): Do not define for m[68]8k-motorola-sysv{,3};
4247 it's working properly now. Remove comment saying "see m68k-motorola-sysv
4249 * configure: Regenerate using autoconf.
4251 * fixinc/fixincl.c (main): Do not ignore SIGCHLD.
4253 Thu Jan 14 22:38:41 1999 Jeffrey A Law (law@cygnus.com)
4255 * unroll.c (find_splittable_givs): For a DEST_ADDR giv, do not share
4256 a register with another DEST_ADDR giv if the address is not valid.
4258 * pa.c (hppa_expand_epilogue): Save and restore the static chain
4259 around the call to mcount.
4261 * h8300.h (ASM_OUTPUT_LABELREF): Use asm_fprintf, not fprintf.
4263 * stmt.c (expand_end_case): Use emit_cmp_and_jump_insns to avoid
4264 generating non-canonical rtl.
4266 1999-01-14 Vladimir N. Makarov <vmakarov@cygnus.com>
4268 * config/i960/i960.c (i960_output_move_double_zero,
4269 i960_output_move_quad_zero): New functions for moving zeros.
4270 (i960_output_move_double, i960_output_move_quad): Additional code
4271 for situation when moving unaligned register group.
4273 * config/i960/i960.h (i960_output_move_double_zero,
4274 i960_output_move_quad_zero): The function definitions.
4276 * config/i960/i960.md (movdi+1, movti+1): Usage of the functions.
4278 1999-01-13 Vladimir N. Makarov <vmakarov@cygnus.com>
4280 * config/i960/i960.c (i960_function_prologue): New code (optimal
4281 solution) for saving global registers in local registers.
4282 (form_reg_groups, reg_group_compare, split_reg_group): New
4283 functions used by the code.
4284 (reg_group): New structure definition for the new code.
4286 1999-01-13 Manfred Hollstein <manfred@s-direktnet.de>
4288 * fixinc/fixincl.c (create_file): Pass file creation mask as
4289 third parameter to "open". Use O_TRUNC flag to open instead of
4290 explicitly unlink'ing the file.
4291 (process): and forget about the "chmod" stuff.
4293 Wed Jan 13 20:12:37 1999 Richard Henderson <rth@cygnus.com>
4295 * integrate.c (expand_inline_function): Recognize (mem (addressof))
4296 and substitute. Copy the return value from there into a new pseudo.
4298 Wed Jan 13 16:47:00 1999 Catherine Moore <clm@cygnus.com>
4300 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
4301 before generating a call to abort for volatile functions.
4302 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
4303 (TARGET_ABORT_NORETURN): Define.
4304 (abort-on-noreturn): New option.
4306 Thu Jan 14 13:52:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4308 * config/c4x/c4x.md (in_annul_slot_3): Correctly allow unarycc
4309 and binarycc operations in 3rd annulled delay slot!
4311 Wed Jan 13 16:16:44 1999 Catherine Moore <clm@cygnus.com>
4313 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
4314 before generating a call to abort for volatile functions.
4315 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
4316 (TARGET_ABORT_NORETURN): Define.
4317 (abort-on-noreturn): New option.
4319 Wed Jan 13 13:30:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4321 * cccp.c (xstrdup): Renamed from `savestring'. All callers changed.
4322 Remove prototype which we get from libiberty.h.
4324 * collect2.c (xstrdup): Likewise.
4326 * genextract.c (xstrdup): Likewise for `copystr'.
4327 (mybzero): Remove it and use `memset' instead.
4329 * genoutput.c (mybcopy, mybzero): Remove these. All callers changed
4330 to use `memcpy' and `memset' instead.
4332 * genrecog.c (xstrdup): Renamed from `copystr'. All callers
4333 changed. Remove prototype.
4334 (mybcopy, mybzero): Remove these and use memcpy/memset.
4336 Wed Jan 13 00:59:04 1999 Jeffrey A Law (law@cygnus.com)
4338 * mips.h (LOAD_EXTEND_OP): Correct for SImode and CCmode moves when
4339 generating code for TARGET_64BIT.
4341 Tue Jan 12 14:05:37 1999 David Edelsohn <edelsohn@gnu.org>
4343 * rs6000.c (print_operand, cases 'm' and 'M'): Do not depend on
4344 HOST_WIDE_INT word-size.
4345 (rs6000_stack_info): Remove redundant alignment of fpmem.
4347 Tue Jan 12 14:05:37 1999 Richard Henderson <rth@cygnus.com>
4349 * rs6000.c (short_cint_operand): Remove CONSTANT_P_RTX handling.
4350 (u_short_cint_operand, reg_or_cint_operand, logical_operand): Likewise.
4351 (input_operand): Adjust CONSTANT_P_RTX handling.
4352 * rs6000.h (PREDICATE_CODES): Remove CONSTANT_P_RTX references.
4353 * rs6000.md (movsi): Adjust CONSTANT_P_RTX handling.
4354 (movhi, movqi): Remove CONSANT_P_RTX handling.
4355 (movdi): Adjust CONSTANT_P_RTX handling.
4357 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
4359 * configure: Regenerate using autoconf.
4361 * fixinc/Makefile.in (INCLUDES): Add -I$(srcdir)/../../include.
4362 * fixinc/fixincl.c (SIGCHLD): Use SIGCLD on (very) old systems.
4363 (process): "fchmod" isn't available on all systems, use "chmod"
4365 * fixinc/server.c: Add #include <sys/types.h>.
4366 (STDIN_FILENO): Add default definition if no include file defines
4368 (STDOUT_FILENO): Likewise.
4370 Tue Jan 12 10:23:24 1999 Stan Cox <scox@cygnus.com>
4372 * mips.md (call_value_internal3c): New pattern for -mips16 -mlong-calls.
4374 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
4376 * m68k/mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
4377 ensure all prototypes necessary for building libio will be available.
4378 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Remove
4379 definitions here as they are not host specific.
4380 * m88k/sysv3.h, m88k/xm-sysv3.h: Likewise.
4382 Tue Jan 12 02:53:46 1999 Richard Henderson <rth@cygnus.com>
4384 * cse.c (cse_insn): Never prefer (const (constant_p_rtx)).
4386 Tue Jan 12 02:36:10 PST 1999 Jeff Law (law@cygnus.com)
4388 * version.c: Bump for snapshot.
4390 Tue Jan 12 01:30:19 1999 Richard Henderson <rth@cygnus.com>
4392 * rtl.c (rtx_alloc): Use memset instead of inline loop.
4394 * recog.h (recog_op_alt): Declare extern.
4396 Tue Jan 12 00:23:31 1999 Richard Henderson <rth@cygnus.com>
4398 * function.c (purge_addressof_1): If the note accesses a mem+addressof
4399 in a wider mode than any replacement, adjust the cached replacement.
4400 Cache trivial substitutions as well.
4402 Tue Jan 12 00:06:00 1999 Richard Henderson <rth@cygnus.com>
4404 * Makefile.in (OBJECTS): Add sbitmap.o.
4405 (BASIC_BLOCK_H): Add sbitmap.h.
4406 * basic-block.h: Move simple bitmap code to sbitmap.h.
4407 * flow.c: Move simple bitmap code to sbitmap.c
4408 * sbitmap.h, sbitmap.c: New files.
4410 Mon Jan 11 23:51:50 1999 Richard Henderson <rth@cygnus.com>
4412 * alpha.h (TARGET_SWITCHES): Document switches.
4413 (TARGET_OPTIONS): Likewise.
4415 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Use HOST_WIDE_INT_PRINT_DEC.
4417 Mon Jan 11 22:54:14 1999 Richard Henderson <rth@cygnus.com>
4419 * tree.c (new_alias_set): Return zero if !flag_strict_aliasing.
4421 Mon Jan 11 22:36:01 1999 Richard Henderson <rth@cygnus.com>
4423 * basic-block.h (basic_block_head): Rename to x_basic_block_head.
4424 (basic_block_end): Rename to x_basic_block_end.
4425 (BLOCK_HEAD, BLOCK_END): Update.
4427 * caller-save.c: Change basic_block_head/end references to
4429 * combine.c, flow.c, function.c, gcse.c, global.c: Likewise.
4430 * graph.c, haifa-sched.c, local-alloc.c, regclass.c: Likewise.
4431 * regmove.c, reload1.c, reorg.c, sched.c: Likewise.
4433 Sat Jan 9 23:54:09 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4435 * gcc.c (xstrerror): Renamed from my_strerror. All callers
4436 changed. Remove prototype since we get that from libiberty.h.
4438 * protoize.c (xstrerror): Likewise.
4440 Sat Jan 9 23:22:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4442 * gcc.c (read_specs): Ensure format specifiers match their arguments.
4444 Sat Jan 9 20:04:24 1999 Richard Henderson <rth@cygnus.com>
4446 * tree.c (copy_node): Oops. That would be copy not zero
4447 in that last change.
4449 Sun Jan 10 15:35:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4451 * config/c4x/c4x.c: Include system.h.
4452 (c4x_caller_save_map): Disable caller save for RC.
4453 (c4x_optimization_options): Disable scheduling before reload.
4454 (valid_parallel_load_store) : Define return type as int.
4455 Remove unused variable regs.
4456 * config/c4x/c4x.h (REGISTER_MOVE_COST): Make independent of register
4458 * config/c4x/c4x.md (rotlqi3, rotrqi3): Fix up emitted RTL to
4460 (*db, decrement_and_branch_until_zero): Fix up constraints
4461 to keep reload happy.
4463 Sat Jan 9 18:35:29 1999 Richard Henderson <rth@cygnus.com>
4465 * tree.c (make_node): Call bzero instead of inline clear.
4466 (copy_node, make_tree_vec, build1): Likewise.
4467 (get_identifier): Call strlen instead of inline count.
4468 (maybe_get_identifier): Likewise.
4470 Sun Jan 10 14:04:51 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4472 * config/c4x/c4x.md: (in_annul_slot_3): Allow unarycc and binarycc
4473 operations in 3rd annulled delay slot.
4474 (*lshrqi3_const_set): Disallow c constraint for operand0.
4475 (modhi3+1, modhi3+2): Set attribute type to multi.
4476 * config/c4x/c4x.c (c4x_S_constraint): Removed space in middle of
4479 Sat Jan 9 11:44:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4481 * gansidecl.h: Allow attribute unused on labels only when we are
4482 version 2.93 or higher. Not all versions of 2.92 have this feature.
4484 * version.c: Bump minor number to 93.
4486 Fri Jan 8 10:51:13 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4488 * config/m68k/m68k.h: Declare output_function_epilogue.
4489 * recog.h: Declare next_insn_tests_no_inequality.
4491 Fri Jan 8 01:43:53 1999 Jeffrey A Law (law@cygnus.com)
4493 * stmt.c (optimize_tail_recursion): New function, extracted from ...
4494 (expand_return): Use optimize_tail_recursion.
4495 * tree.h (optimize_tail_recursion): Declare.
4497 * toplev.c (compile_file): Move call to output_func_start_profiler
4498 to after the loop to emit deferred functions.
4500 Thu Jan 7 19:52:53 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4502 * system.h (abort): Supply more detailed information on how to
4503 report an Internal Compiler Error.
4505 Thu Jan 7 9:25:58 PST 1999 Bruce Korb (korb@datadesign.com)
4507 * fixinc/fixincl.c (*): more decapitalization of variables
4508 plus some explanitory comments
4510 * fixinc/Makefile.in fixinc/mkfixinc.sh:
4511 When the fixincl program does not work for a certain system,
4512 we substitute a shell script. Added user commentary when
4515 Thu Jan 7 11:26:17 1999 Mark Mitchell <mark@markmitchell.com>
4517 * calls.c (store_unaligned_arguments_into_pseudos): Use xmalloc to
4518 allocate memory that will live beyond this function.
4519 (expand_call): Free it here.
4521 Thu Jan 7 03:08:17 1999 Richard Henderson <rth@cygnus.com>
4523 * sparc.h (PREFERRED_RELOAD_CLASS): Select GENERAL_REGS for
4524 integer data not destined for fp regs.
4525 (LEGITIMIZE_RELOAD_ADDRESS): New.
4527 Thu Jan 7 03:03:42 1999 Stan Cox <scox@cygnus.com>
4528 Richard Henderson <rth@cygnus.com>
4530 Support for Hypersparc and Sparclite86x:
4531 * sparc.h (TARGET_CPU_hypersparc, TARGET_CPU_sparclite86x): New.
4532 (CPP_CPU32_DEFAULT_SPEC): Fix up for the new targets.
4533 (ASM_CPU32_DEFAULT_SPEC): Likewise.
4534 (TARGET_CPU_DEFAULT): Likewise.
4535 (enum processor_type): Likewise.
4536 (CPP_ENDIAN_SPEC): Handle little endian data.
4537 (LIBGCC2_WORDS_BIG_ENDIAN): Likewise.
4538 (ADJUST_COST): Call sparc_adjust_cost.
4539 * sparc.c (sparc_override_options): Fix up for the new targets.
4540 (supersparc_adjust_cost): Make static.
4541 (hypersparc_adjust_cost): New.
4542 (ultrasparc_adjust_cost): Make static.
4543 (sparc_adjust_cost): New.
4544 * sparc.md (attr cpu): Add hypersparc and sparclite86x.
4545 (function_unit): Add hypersparc scheduling rules.
4547 * configure.in (with_cpu handler): Recognize hypersparc.
4549 Thu Jan 7 23:54:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4551 * config/c4x/c4x.c: Added space after negation operator.
4552 * config/c4x/c4x.h: Likewise.
4553 * config/c4x/c4x.md: Likewise.
4555 Thu Jan 7 23:39:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4557 * config/c4x/c4x.c (c4x_preferred_reload_class): Always return class.
4559 Thu Jan 7 00:29:25 199 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4561 * combine.c (num_sign_bit_copies): In NEG, MULT, DIV and MOD cases,
4562 when a test can't be performed due to limited width of
4563 HOST_BITS_PER_WIDE_INT, use the more conservative approximation.
4564 Fix UDIV case for cases where the first operand has the highest bit
4567 Thu Jan 7 00:01:38 1999 Lutz Vieweg <lkv@mania.robin.de>
4569 * pa.h (reg_class): Add FPUPPER_REGS.
4570 (REG_CLASS_NAMES): Similarly.
4571 (REG_CLASS_CONTENTS): Similarly
4572 (REGNO_REG_CLASS): Handle FPUPPER_REGS.
4573 (FP_REG_CLASS_P): Likewise.
4574 (REG_CLASS_FROM_LETTER): Similarly.
4575 (CLASS_MAX_NREGS): Similarly.
4577 1999-01-06 Brendan Kehoe <brendan@cygnus.com>
4579 * fixincludes: For HP/UX 10.20, also look in curses_colr/curses.h
4580 for a typedef of bool. Make sure to have a copy of the file is
4581 in place before we look to fix it. Fix typo in variable name to
4584 Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com>
4586 * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
4587 value_mode for the return mode.
4589 Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net>
4591 * configure.in: New flag --with-dwarf2. If set, enables DWARF-2
4592 debugging as default.
4594 * config/tm-dwarf2.h: New file.
4596 Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com)
4598 * h8300.h (ASM_OUTPUT_LABELREF): Define.
4600 * pa.h (DONT_RECORD_EQUIVALENCE): Kill.
4601 * local-alloc.c (update_equiv_regs): Corresponding changes.
4602 * tm.texi (DONT_RECORD_EQUIVALENCE): Kill.
4604 * calls.c (special_function_p): Push alloca test inside the large
4605 conditional which excludes functions not at file scope or not
4608 * calls.c (special_function_p): New function broken out of
4610 (precompute_register_parameters): Likewise.
4611 (store_one_arg): Likewise.
4612 (store_unaligned_argumetns_into_pseudos): Likewise.
4613 (save_fixed_argument_area): Likewise.
4614 (restore_fixed_argument_area): Likewise.
4615 (expand_call): Corresponding changes.
4617 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4619 * config/c4x/c4x.md (addqi3): If the destination operand is
4620 a hard register other than an extended precision register,
4621 emit addqi3_noclobber.
4622 (*addqi3_noclobber_reload): New pattern added so that reload
4623 will recognise a store of a pseudo, equivalent to the sum
4624 of the frame pointer and a constant, as an add insn.
4626 1999-01-06 Manfred Hollstein <manfred@s-direktnet.de>
4628 * fixinc/fixincl.c: Re-indent according to the GNU standards.
4629 fixinc/server.c: Likewise.
4630 fixinc/server.h: Likewise.
4632 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4634 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
4636 (const_sint32_operand): Likewise.
4638 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4640 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
4641 is a macro when deciding if we can use `jmp_buf' in prototypes.
4643 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net>
4645 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
4646 * configure: Rebuilt.
4647 * i386/xm-go32.h: Define LIBSTDCXX.
4649 * i386/go32.h (MD_EXEC_PREFIX): Define.
4650 (FILE_NAME_ABSOLUTE_P): Define.
4651 (LINK_COMMAND_SPEC): Define.
4653 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
4655 * expr.c (store_expr): If the lhs is a memory location pointed
4656 to be a postincremented (or postdecremented) pointer, always
4657 force the rhs to be evaluated into a pseudo.
4659 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
4661 * real.c (mtherr): Print more reasonable warning messages.
4663 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4665 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
4667 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
4668 (new_include_prefix): Constify char* parameters.
4670 * cppfiles.c (read_name_map): Likewise.
4671 (append_include_chain): Likewise. Also, use a writable char* copy
4672 of parameter `dir' which we then modify, rather than using the
4673 parameter itself to store the new writable string.
4674 (remap_filename): Constify some variables. Also, use a writable
4675 char* to store an allocated string which we will be modifying.
4677 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
4678 (cpp_start_read): Constify variable `str'.
4680 * cpplib.h (append_include_chain): Constify a char* parameter.
4682 * gcc.c Include prefix.h, don't prototype prefix.c functions.
4683 (add_prefix, save_string): Constify char* parameters.
4684 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
4686 * prefix.c: Include prefix.h.
4687 (get_key_value, translate_name, save_string, update_path,
4688 set_std_prefix): Constify various char* parameters and variables.
4689 (save_string): Use xmalloc, not malloc.
4690 (translate_name): Use a writable temporary variable to create and
4691 modify a string before setting it to a const char*.
4693 * prefix.h: New file to prototype functions exported from prefix.c.
4695 Tue Jan 5 8:52:18 PST 1999 Bruce Korb (korb@datadesign.com)
4697 * fixinc/fixincl.c (various): added debug code so
4698 Manfred can trace the processing.
4700 * fixinc/inclhack.def (sys/utsname.h): Provide forward declaration of
4701 struct utsname on Ultrix V4.[35].
4703 * fixinc/{fixincl.x|fixincl.sh|inclhack.sh} : regenerated
4705 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
4707 * cpplib.c (skip_if_group): Split out the logic that handles
4708 directive recognition to its own function. Don't use
4709 parse markers; use a bare pointer into the buffer. Use
4710 copy/skip_rest_of_line instead of doing it by hand. Remove
4711 `return on any directive' mode which was never used, and take
4713 (consider_directive_while_skipping): New function, subroutine
4714 of skip_if_group. Logic streamlined a bit.
4715 (conditional_skip, do_elif, do_else): Call skip_if_group with
4718 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
4720 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
4723 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
4725 * extend.texi (Bound member functions): Document.
4727 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4729 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
4730 lang_to_string, type_to_string): Make return type const char*.
4731 (print_symbol): Apply `const' keyword to a char*.
4732 (print_file_desc): Cast structure member `crfd' to ulong when
4733 comparing against one.
4735 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
4736 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
4737 (progname, input_name): Apply `const' keyword to a char*.
4738 Don't redundantly include sys/stat.h.
4739 (alloc_info): Apply `const' keyword to a char*.
4740 (st_to_string, sc_to_string): Likewise.
4741 (hash_string): Cast variable `hash_string' to a symint_t when
4742 comparing against one.
4743 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
4744 Likewise cast it to long when comparing against one.
4745 (add_local_symbol): Apply `const' keyword to a char*.
4746 (add_ext_symbol): Likewise.
4747 (add_unknown_tag): Likewise.
4748 (add_procedure): Cast a printf-style field width to an int.
4749 (add_file): Cast PAGE_USIZE to long when comparing against one
4750 (parse_begin): Cast a printf-style field width to an int.
4751 (parse_bend): Likewise.
4752 (parse_def): Likewise.
4753 (parse_end): Likewise.
4754 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
4755 (parse_stabs_common): Fix format specifier.
4756 (parse_input): Change type of variable `i' to Size_t.
4757 (write_object): Fix arguments to match format specifiers.
4758 Cast variable `num_write' to long when comparing against one.
4759 (read_seek): Cast variable `sys_read' to symint_t when comparing
4760 against one. Fix arguments to match format specifiers. Cast
4761 variable `size' to long when comparing against one.
4762 (copy_object): Cast result of `sizeof' to int when comparing
4763 against one. Fix arguments to match format specifiers. Cast
4764 variable `ifd' to long when comparing against a signed value.
4767 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4769 * c-common.c (decl_attributes): Allow applying attribute `unused'
4772 * c-parse.in (label): Parse attributes after a label, and call
4773 `decl_attributes' to handle them.
4775 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
4777 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
4778 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
4780 * invoke.texi: Note that labels can be marked `unused'.
4782 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
4784 * version.c: Bump for snapshot.
4786 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
4788 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
4789 RTL for a compare/jump sequence.
4791 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4793 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
4794 for a target with HAVE_cc0 defined.
4795 (emit_cmp_and_jump_insns): New function.
4796 * expr.h (emit_cmp_and_jump_insns): Prototype it.
4797 * loop.c (check_dbra_loop): Use it to replace calls
4798 to emit_cmp_insn and emit_jump_insn and to canonicalise
4799 the comparison if necessary.
4800 * unroll.c (unroll_loop): Likewise.
4802 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4804 * fixincludes (sys/utsname.h): Provide forward declaration of
4805 struct utsname on Ultrix V4.[35].
4807 * mips.md (div_trap): Use local labels instead of dot-relative
4810 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
4812 * pa.md (branch, negated branch): Handle (const_int 0) as first
4814 * pa.c (output_cbranch): Likewise.
4816 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@gnu.org>
4818 * rs6000.c (rs6000_stack_info): Undo spurious part of last
4821 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
4823 * extend.texi (__builtin_constant_p): Add missing @smallexample.
4825 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
4827 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
4829 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
4831 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
4832 (adddi_dishl32): Similarly.
4834 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
4835 for each insn in the skipped block.
4837 * reload1.c (reload_as_needed): Verify that the insn satisfies its
4838 constraints after replacing a register address with an autoincrement
4839 address for reload inheritance purposes.
4841 * i386.md (doubleword shifts): Avoid namespace pollution.
4843 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
4845 * configure.in (FreeBSD ELF): Needs special crt files.
4847 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
4849 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
4851 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4853 * loop.c (check_dbra_loop): While reversing the loop, if the
4854 comparison value has a VOID mode use the mode of the other operand
4855 to compute the mask.
4857 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
4859 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
4860 avoid warnings in compiling explow.c.
4862 (patch from Ken Raeburn, raeburn@cygnus.com)
4863 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
4864 fpmem_offset. Compute total size after that, and then
4865 rs6000_fpmem_offset using both values.
4867 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4869 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
4870 the future; indeed that already happens in some cases.
4872 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
4874 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
4875 (arith_operand): Remove constant_p_rtx handling.
4876 (const64_operand, const64_high_operand): Likewise.
4877 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
4878 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
4879 (small_int_or_double, uns_small_int, zero_operand): Likewise.
4880 * sparc.h (PREDICATE_CODES): Likewise.
4882 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
4884 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
4886 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
4887 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
4888 consider constant CONSTRUCTOR constant and to defer some cases
4890 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
4891 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
4893 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
4895 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
4896 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
4898 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
4899 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
4900 (sext_add_operand, and_operand, or_operand): Likewise.
4901 (reg_or_cint_operand, some_operand, input_operand): Likewise.
4902 * alpha.h (PREDICATE_CODES): Likewise.
4904 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
4906 * version.c: Bump for snapshot.
4908 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
4910 * gengenrtl.c (gencode): Always use bzero to clear memory instead
4911 of dangerous casts and stores.
4913 * Makefile.in (compare, gnucompare): Add missing else true clauses.
4915 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
4917 * alpha.md (builtin_longjmp): Add missing "DONE".
4919 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
4921 * gcc.c (execute): Enable -pipe with win32.
4923 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
4925 * config/arm/t-arm-elf: Add multiplib option for leading
4928 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
4929 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
4931 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
4932 than variable 'reload_address_base_reg_class'. [Note this
4933 change is unrelated to the others in this patch].
4935 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
4938 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4940 * alias.c (record_alias_subset): Remove ignored `&'.
4941 (init_alias_once): Likewise.
4943 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
4945 * config/mips/mips.c (mips_asm_file_end): Cast the result of
4946 fwrite to `int' when comparing against one.
4948 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
4949 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
4951 * cse.c (rehash_using_reg): Change type of variable `i' to
4954 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
4955 assigning it to one.
4957 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
4959 * final.c (final_scan_insn): Likewise for variable `i'.
4960 (output_asm_insn): Cast a char to unsigned char when used as an
4963 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
4964 assigning it to one.
4966 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
4968 * recog.c (preprocess_constraints): Cast a char to unsigned char
4969 when used as an array index.
4971 * regmove.c (find_matches): Likewise.
4973 * reload1.c (calculate_needs): Add default case in switch.
4974 (eliminate_regs_in_insn): Initialize variable `offset'.
4975 (set_offsets_for_label): Change type of variable `i' to unsigned.
4976 (reload_as_needed): Wrap variable `i' in macro check on
4977 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
4979 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
4980 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
4981 when comparing against one.
4983 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
4984 unsigned when comparing against one. Likewise for
4985 GET_MODE_ALIGNMENT().
4986 (layout_record): Cast record_align to int when comparing against a
4988 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
4991 * tree.c (get_identifier): Cast variable `len' to unsigned when
4992 comparing against one.
4993 (maybe_get_identifier): Likewise
4995 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
4997 * toplev.c (rest_of_compilation): Do not set reload_completed.
4998 * reload1.c (reload): Set reload_completed before calling
4999 cleanup_subreg_operands.
5001 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
5003 * reload1.c (emit_reload_insns): Check `set' not null before use.
5005 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
5007 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
5010 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
5012 * halfpic.c (half_pic_encode): Delete redundant code.
5014 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
5016 * toplev.c (main): Delete handling of -dM as a preprocessor
5019 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
5021 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
5022 -dI, which are handled by the preprocessor.
5024 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
5026 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
5027 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
5029 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
5031 * version.c: Bump for snapshot.
5033 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
5035 * version.c: Bump for snapshot.
5037 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
5039 * version.c: Bump for snapshot.
5041 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5043 * genattr.c (fatal): Qualify a char* with the `const' keyword.
5045 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
5046 write_unit_name, write_eligible_delay, expand_units,
5047 make_length_attrs, write_attr_case, find_attr,
5048 make_internal_attr): Likewise.
5049 * gencheck.c (tree_codes): Likewise.
5050 * gencodes.c (fatal): Likewise.
5051 * genconfig.c (fatal): Likewise.
5052 * genemit.c (fatal): Likewise.
5053 * genextract.c (fatal, walk_rtx, copystr): Likewise.
5054 * genflags.c (fatal): Likewise.
5055 * genopinit.c (fatal, optabs, gen_insn): Likewise.
5056 * genoutput.c (fatal, error, predicates): Likewise.
5057 * genpeep.c (fatal): Likewise.
5058 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
5059 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
5061 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5063 * configure.in (with-fast-fixincludes): Fix whitespace.
5064 * configure: Rebuilt.
5066 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
5067 asm() etc. function declarations in __DECC.
5069 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
5071 * expr.c (emit_move_insn_1): Only emit a clobber if the target
5072 is a pseudo register.
5074 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
5076 * gcse.c: Include expr.h in order to get the prototype for
5077 get_condition() which is used in delete_null_pointer_checks().
5079 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5081 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
5083 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
5085 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
5086 (ALL_CFLAGS): Delete SCHED_CFLAGS.
5088 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
5090 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
5093 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
5095 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
5096 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
5097 optimizations from the combiner.
5099 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5101 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
5103 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
5105 * toplev.c (main): Disable optimize_size if a specific
5106 optimization level is requested. Always set optimization
5107 level to 2 if -Os is specified.
5109 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
5111 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
5113 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
5114 initialize it using fname.
5116 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
5118 * cpplib.c (do_include): Treat #include_next in the
5119 primary source file as #include plus warning. Treat
5120 #include_next in a file included by absolute path as an
5121 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
5123 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5125 * cccp.c: Don't define MIN/MAX anymore.
5126 * cpplib.c: Likewise.
5127 * machmode.h: Likewise.
5128 * system.h: Provide definitions for MIN/MAX.
5130 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5132 * fix-header.c: Don't define xstrdup here.
5134 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5136 * loop.c (consec_sets_giv): New argument last_consec_insn.
5137 (strength_reduce): Provide / use it.
5139 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5141 * loop.h (loop_info): New field 'vtop'.
5142 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
5143 scanning loop for vtop.
5144 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
5145 (loop_iterations): Use them to determine if loop has a constant
5146 number of iterations. Set loop_info->vtop. Don't subtract
5147 common reg term from initial_value and final_value if have a
5150 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
5152 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
5154 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
5156 * mn10200.md (abssf2, negsf2): New expanders.
5158 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
5160 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
5162 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
5163 replaced by a CONCAT whoes components do not have the same
5164 mode as the original SUBREG, use a new SUBREG to restore the
5167 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
5168 multiword complex values.
5170 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
5172 * cppalloc.c: Add xstrdup here.
5173 * cpplib.h: Remove savestring prototype.
5174 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
5176 * cppfiles.c: s/savestring/xstrdup/ throughout.
5178 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
5180 * cpplib.c: Make all directive handlers read their own
5182 (struct directive): Remove last two arguments from FUNC
5183 member prototype. Remove `command_reads_line' member
5185 (directive_table): Remove initializations of
5186 command_reads_line flag. Pretty-print.
5187 (eval_if_expression, do_define, do_line, do_include,
5188 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
5189 do_else, do_elif, do_sccs, do_assert, do_unassert,
5190 do_warning): Take only two args.
5192 (cpp_define): Call do_define with two args and the text to
5193 define stuffed into a buffer.
5194 (make_assertion): Call do_assert with two args.
5195 (handle_directive): Call do_line with two args. Call
5196 kt->func with two args. Remove command_reads_line
5198 (do_define, do_undef, do_error, do_warning, do_pragma,
5199 do_sccs): Read the rest of the line here.
5200 (do_ident): Gobble rest of line, as cccp does.
5201 (cpp_undef): New function.
5202 (cpp_start_read): Call cpp_undef instead of do_undef.
5204 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
5206 * cpphash.h (union hash_value): Remove `keydef' member, add a
5207 `struct hashnode *aschain' member for #assert.
5209 * cpplib.c (struct tokenlist_list, struct
5210 assertion_hashnode): Delete structure definitions.
5211 (assertion_install, assertion_lookup, delete_assertion,
5212 check_assertion, compare_token_lists, reverse_token_list,
5213 read_token_list, free_token_list): Delete functions.
5214 (parse_assertion): New function.
5215 (cpp_cleanup): Don't destroy the assertion_hashtable.
5217 (do_assert): Gut and rewrite. #assert foo (bar) places
5218 entries for `#foo' and `#foo(bar)' in the macro hash table,
5219 type T_ASSERT. The value union's `aschain' member is used
5220 to chain all answers for a given predicate together.
5221 (do_unassert): Also rewritten. Take an un-asserted
5222 answer off the chain from its predicate and call
5223 delete_macro on the hashnode, or walk a predicate chain
5224 calling delete_macro on all the entries.
5225 (cpp_read_check_assertion): Simply call parse_assertion to
5226 get the canonical assertion name, and look that up in the
5229 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
5232 * cpphash.c (install): Use bcopy instead of an explicit loop
5233 to copy the macro name.
5235 * cppexp.c (cpp_lex): Convert the result of
5236 cpp_read_check_assertion to a `struct operation' directly;
5237 don't go through parse_number.
5239 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5241 * loop.h (struct induction): Delete times_used member.
5242 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
5243 (n_times_used): Rename to n_times_set. Changed all users.
5244 (scan_loop): Free reg_single_usage before strength reduction.
5245 (record_giv, combine_givs): Remove handling of times_used member.
5246 (combine_givs_used_once): Rename to:
5247 (combine_givs_used_by_other) . Changed all callers.
5249 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
5251 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
5252 instead of TREE_CODE_CLASS == 't'.
5253 (gen_type_die): Likewise.
5254 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
5256 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
5258 * real.c (endian): Disable last change unless
5259 HOST_BITS_PER_WIDE_INT is greater than 32.
5261 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
5263 * output.h (force_data_section): New prototype.
5264 * varasm.c (force_data_section): New function to force the
5265 data section, regardless of what in_section thinks.
5266 * dwarf2out.c (output_call_frame_info): Call force_data_section
5267 since varasm may not realize we've changes sections.
5269 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
5271 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
5272 after completeing reload.
5274 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
5275 deleted after reload.
5277 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
5279 * rtl.h (multiple_sets): Fix prototype.
5280 * rtlanal.c (multiple_sets): Fix return type.
5282 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
5284 * version.c: Bump for snapshot.
5286 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
5288 * version.c: Bump for snapshot.
5290 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
5292 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
5294 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5296 * rtl.h (recompute_reg_usage): Add second argument.
5297 * flow.c (recompute_reg_usage): Likewise.
5298 * toplev.c (rest_of_compilation): Supply second argument to
5299 recompute_reg_usage.
5301 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
5304 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
5306 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
5307 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
5308 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
5311 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
5313 * rtlanal.c (multiple_sets): New function.
5314 * rtl.h (multiple_sets): Declare it.
5315 * local-alloc.c (wipe_dead_reg): Use it.
5316 * global.c (global_conflicts): Likewise.
5318 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
5320 * global.c (record_conflicts): Don't use an array of shorts to
5321 store an array of ints.
5322 (global_conflicts): Likewise.
5324 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
5326 * alpha.c (alpha_expand_block_move): mode_for_size expects
5327 bits, not bytes. Infer extra alignment from addressof.
5329 1998-12-11 Michael Meissner <meissner@cygnus.com>
5331 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
5332 .sbss section, not .sdata.
5334 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
5336 * cccp.c: Do not #include <sys/stat.h> here; this is already done
5338 * collect2.c: Likewise.
5339 * cpplib.h: Likewise.
5342 * getpwd.c: Likewise.
5343 * protoize.c: Likewise.
5344 * toplev.c: Likewise.
5346 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
5347 and don't try to define it here.
5348 * Makefile.in (cppmain.o): Depend on machmode.h.
5349 (cpplib.o): Likewise.
5350 (cpperror.o): Likewise.
5351 (cppexp.o): Likewise.
5352 (cppfiles.o): Likewise.
5353 (cpphash.o): Likewise.
5354 (cppalloc.o): Likewise.
5355 (fix-header.o): Likewise.
5356 (scan-decls.o): Likewise.
5358 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
5360 * sh.c (print_operand): lookup interrupt_handler attribute instead
5361 of relying on static variable.
5362 * (calc_live_regs): Likewise.
5363 * (sh_pragma_insert_attributes): Create interrupt_handler
5364 attribute if a pragma was specified
5365 * (sh_valid_machine_decl_attribute): Don't set static flag.
5366 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
5368 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5370 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
5371 to determine if a register is live at a jump destination.
5372 Everything is dead at a BARRIER.
5374 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
5376 * cse.c (simplify_unary_operation): Sign-extend constants when
5377 they have the most significant bit set for the target.
5378 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
5380 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
5381 HOST_WIDE_INT temporary before negating it.
5382 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
5384 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
5386 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
5389 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5391 * collect2.h: New header file for prototypes.
5393 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
5395 * collect2.c: Include collect2.h.
5396 * tlink.c: Likewise.
5398 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
5400 * flow.c: Update some comments.
5402 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
5404 * objc/objc-act.c (cpp_initialized): Removed.
5405 (lang_init_options): Initialize cpplib.
5406 (lang_decode_option): Move initialization of cpplib to
5408 * c-lang.c: (parse_options,parse_in): Added.
5409 (lang_init_options): Initialized cpplib here.
5410 * c-decl.c (parse_options,cpp_initialized): Removed.
5411 (c_decode_option): Move initialization of cpplib to
5414 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5416 * reload1.c (reload_combine, reload_combine_note_store):
5417 Make STORE_RUID always valid.
5418 (reload_combine): Check if BASE is clobbered too early.
5420 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
5422 * reload.c (find_reloads): Display the insn that cannot be
5425 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
5427 * cccp.c (create_definition): Fix end of bufer logic.
5429 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5431 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
5432 pointer parameters changed to use the PARAMS() macro.
5434 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
5436 * except.h (struct handler_info): Add handler_number field.
5437 * except.c (gen_exception_label): EH labels no longer need to be
5438 on the permanent obstack.
5439 (get_new_handler): Set the label number field.
5440 (output_exception_table_entry): Regenerate handler label reference
5441 from the label number field.
5442 (init_eh): Remove a blank line.
5443 * integrate.c (get_label_from_map): Labels no longer need to be
5444 on the permanent obstack.
5446 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
5448 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
5449 only when OUTER_CODE is SET.
5451 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5453 * loop.c (strength_reduce): If scan_start points to the loop exit
5454 test, be wary of subversive use of gotos inside expression statements.
5455 Don't set maybe_multiple for a backward jump that does not
5456 include the label under consideration into its range.
5457 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
5459 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5461 * explow.c (plus_constant_wide): Don't immediately return with
5462 result of recursive call.
5464 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
5466 * eh-common.h (struct eh_context): Add table_index for rethrows.
5468 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
5469 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
5470 processed when inlined or unrolled (ie duplicated in some way).
5472 * rtl.c (reg_note_name): Add strings for new reg_note enums.
5474 * expr.h (rethrow_libfunc): New library decl.
5476 * optabs.c (rethrow_libfunc): Initialize.
5478 * except.h (struct eh_entry): Add new field 'rethrow_label'.
5479 (new_eh_region_entry): No longer exported from except.c.
5480 (duplicate_handlers): Renamed to duplicate_eh_handlers and
5481 different prototype.
5482 (rethrow_symbol_map, rethrow_used): New exported functions.
5483 (eh_region_from_symbol): New exported function.
5485 * except.c (create_rethrow_ref): New function to create a single
5486 SYMBOL_REF for a rethrow region.
5487 (push_eh_entry): Initialize a rethrow ref.
5488 (func_eh_entry): Add a rethrow_label field.
5489 (new_eh_region_entry): Make static, and initialize the rethrow entry.
5490 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
5491 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
5492 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
5493 a region into an appropriate new symbol.
5494 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
5495 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
5496 (end_catch_handler): Emit a barrier for new-exceptions since
5497 control can never drop through the end of a catch block.
5498 (expand_end_all_catch): new-exceptions never fall through a catch
5500 (expand_rethrow): use __rethrow routine for new exceptions.
5501 (output_exception_table_entry): Generate rethrow labels, if needed.
5502 (output_exception_table): Generate start and end rethrow labels.
5503 (init_eh): Create rethrow symbols for beginning and end of table.
5504 (scan_region): Don't eliminate EH regions which are the targets of
5507 * flow.c (make_edges): Add different edges for rethrow calls,
5508 identified by having the REG_EH_RETHROW reg label.
5509 (delete_unreachable_blocks): Don't delete regions markers which are
5510 the target of a rethrow.
5512 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
5513 allow save_for_inline_copying to call duplicate_eh_handlers.
5514 (save_for_inline_copying): Call duplicate_eh_handlers instead of
5515 exposing internal details of exception regions.
5516 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
5517 (expand_inline_function_eh_labelmap): New callback routine to
5518 allow expand_inline_function to call duplicate_eh_handlers.
5519 (expand_inline_function): Call duplicate_eh_handlers instead of
5520 exposing internal details of exception regions.
5521 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
5524 * libgcc2.c (find_exception_handler): Generalize to enable it to
5525 pick up processing where it left off last time for a rethrow.
5526 (__unwinding_cleanup): New function. debug hook which is called before
5527 unwinding when __throw finds there is nothing but cleanups left.
5528 (throw_helper): Common parts of __throw extracted out for reuse.
5529 (__throw): Common parts moved to throw_helper.
5530 (__rethrow): New function for performing rethrows.
5532 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
5534 * reload1.c (current_function_decl): Tweak declaration.
5536 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
5538 * c-decl.c (flag_isoc9x): Default off.
5539 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
5540 * cccp.c (print_help, main): Likewise.
5541 * gcc.c (default_compilers): Update for -std=gnu*.
5543 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
5545 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
5546 * demangle.h: Deleted.
5548 * reload1.c (current_function_decl): Declare.
5550 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5552 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
5554 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5556 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
5558 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
5560 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
5562 * configure: Rebuilt.
5563 * system.h: If the *_unlocked functions are available use them
5564 instead of the locked counterparts by defining macros.
5565 * config.in: Regenerated.
5567 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
5569 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
5570 wrong and should only be used for dump related things, not
5571 debugging information, instead main_input_filename should be used.
5572 Also, reuse output_file_directive if possible.
5573 * i386/aix386ng.h (ASM_FILE_START): Likewise.
5574 * i386/isc.h (ASM_FILE_START): Likewise.
5575 * i386/win-nt.h (ASM_FILE_START): Likewise.
5576 * i386/sun386.h (ASM_FILE_START): Likewise.
5578 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
5580 * configure.in (mips*-*-linux*): Handle big and little endian
5582 * configure: Rebuilt.
5584 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
5586 * emit-rtl.c: Fix typo.
5588 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
5590 * reload1.c (eliminate_regs): Don't do anything, if we're not
5593 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
5595 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
5597 * mips/mips.c (mips_select_section): Add comment.
5599 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
5601 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
5602 characters in file names in #line to be consistent with #include
5603 handling. We support escape prcessing in the # 1 "..." version of
5604 the command. See also support in cp/lex.c.
5605 (handle_directive): Likewise.
5606 (do_line): Likewise.
5608 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
5610 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
5611 so it'll work on non-ASCII platforms. Always consider $ an
5612 identifier character. Take no arguments.
5613 (cpp_reader_init): Call initialize_char_syntax with no
5615 (cpp_start_read): Don't call initialize_char_syntax again.
5616 Clear is_idchar['$'] and is_idstart['$'] if not
5617 opts->dollars_in_ident.
5619 * cpplib.h (struct cpp_reader): Replace void *data element by
5620 cpp_options *opts. Rearrange elements to make gdb printout
5621 less annoying (put buffer stack at end).
5622 (CPP_OPTIONS): Get rid of now-unnecessary cast.
5624 * cppmain.c: s/data/opts/ when initializing cpp_reader
5626 * c-decl.c: Likewise.
5627 * objc/objc-act.c: Likewise.
5628 * fix-header.c: Likewise.
5630 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
5632 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
5633 with a struct file_name_list pointer.
5634 (struct cpp_reader): Add pointer to chain of `actual
5635 directory' include searchpath entries.
5636 (struct file_name_list): Add *alloc pointer for the sake of
5637 the actual-directory chain.
5639 Move definition of HOST_WIDE_INT here.
5640 (cpp_parse_escape): Change prototype to match changes in
5643 * cppfiles.c (actual_directory): New function.
5644 (finclude): Use it to initialize the buffer's actual_dir
5646 (find_include_file): We don't need to fix up max_include_len
5649 * cpplib.c (do_include): Don't allocate a file_name_list on
5650 the fly for current directory "" includes, use the one that's
5651 been preallocated in pfile->buffer->actual_dir. Hoist out
5652 duplicate code from the search_start selection logic.
5653 (cpp_reader_init): Initialize pfile->actual_dirs.
5655 Remove definition of HOST_WIDE_INT. Change calls
5656 to cpp_parse_escape to match changes in cppexp.c (note
5657 hardcoded MASK, which is safe since this is the source
5660 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
5661 to handle wide character constants in #if directives. The
5662 function now returns a HOST_WIDE_INT, and takes a third
5663 argument which is a binary mask for all legal values (0x00ff
5664 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
5665 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
5666 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
5668 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
5670 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
5672 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5674 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
5675 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
5676 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
5678 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
5680 * final.c (output_asm_name): Use tabs to seperate comments from
5683 Include instruction lengths (if defined) in output.
5685 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5687 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
5688 in the loop_info structure.
5690 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
5692 * configure.in: (arm*-*-ecos-elf): New target.
5693 * configure: Regenerated.
5694 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
5695 * config/arm/ecos-elf.h: New file.
5696 * config/arm/unknown-elf.h (TARGET_VERSION): Check
5699 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5701 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
5703 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
5705 * version.c: Bump for snapshot.
5707 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5709 * loop.c (check_dbra_loop): New argument loop_info. Update fields
5712 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
5714 * version.c: Bump for snapshot.
5716 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5718 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
5719 compressed reports are ok and preferred over URLs
5721 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5723 * invoke.texi (Warning Options): Soften the tone of -pedantic
5725 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
5727 * print-rtl.c (print_rtx): Add prototype.
5729 * unroll.c (iteration_info): Make it static.
5731 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
5733 * alias.c (memrefs_conflict_p): A second ANDed address
5734 disables the aligned address optimization.
5736 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
5738 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
5741 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
5743 * i960.h (BOOL_TYPE_SIZE): Define.
5745 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5747 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
5748 from old valid_parallel_operands_4.
5749 (valid_parallel_operands_4): Check that operands for 4 operand
5750 parallel insns are valid, excluding load/store insns.
5751 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
5752 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
5753 valid_parallel_load_store instead of valid_parallel_operands_4.
5754 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
5755 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
5756 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
5757 *notqi_movqi_clobber): Use valid_parallel_operands_4.
5758 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
5759 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
5760 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
5762 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5764 * config/c4x/c4x.c (iteration_info): Delete extern.
5766 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5768 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
5770 * final.c (cleanup_subreg_operands): Delete some unused code.
5772 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
5773 (struct insn_alternative): New structure definition.
5774 (recog_op_alt): Declare variable.
5775 (preprocess_constraints): Declare function.
5776 * recog.c (recog_op_alt): New variable.
5777 (extract_insn): Verify number of alternatives is in range.
5778 (preprocess_constraints): New function.
5779 * reg-stack.c: Include recog.h.
5780 (constrain_asm_operands): Delete.
5781 (get_asm_operand_lengths): Delete.
5782 (get_asm_operand_n_inputs): New function.
5783 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
5784 N_OUTPUTS args. All callers changed.
5785 Compute number of inputs and outputs here by calling
5786 get_asm_operand_n_inputs.
5787 Instead of constrain_asm_operands, call extract_insn,
5788 constrain_operands and preprocess_constaints. Use information
5789 computed by these functions throughout.
5790 (record_reg_life): Delete code that is unused due to changes in
5791 record_asm_reg_life.
5792 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
5793 N_INPUTS and N_OUTPUTS args. All callers changed.
5794 Similar changes as in record_asm_reg_life.
5795 (subst_stack_regs): Move n_operands declaration into the if statement
5797 Delete code that is unused due to changes in subst_asm_stack_regs.
5798 * stmt.c (expand_asm_operands): Verify number of alternatives is in
5800 * Makefile.in (reg-stack.o): Depend on recog.h.
5802 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
5804 * except.c (set_exception_version_code): Argument is an "int".
5806 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
5808 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
5809 * configure: Rebuilt.
5811 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
5813 * configure.in (mipsel-*-linux*): New target.
5814 * mips/linux.h: New file, based on other Linux targets.
5816 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
5818 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
5819 runs in the context of the deleter, not the deletee, so we must
5820 use taskVarGet to find the correct memory to free.
5821 (__gthread_key_create): Initialize the task
5822 variable subsystem so that the task variable is still active when
5823 the delete hook is run.
5825 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
5827 * pdp11.h: Use optimize_size for space optimizations.
5828 * pdp11.c: Likewise.
5829 * pdp11.md: Likewise.
5831 * pdp11.h (TARGET_40_PLUS): Fix typo.
5833 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
5835 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
5838 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5840 * alias.c (addr_side_effect_eval): New function.
5841 (memrefs_conflict_p): Use it.
5842 * rtl.h (addr_side_effect_eval): Prototype it.
5844 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
5846 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
5848 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
5850 * reload.c (find_reloads): When force const to memory, put result
5851 in substed_operand not *recog_operand_loc.
5853 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
5855 * c-lex.c: Fix indentation from last patch.
5856 Remove trailing whitespace.
5859 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
5861 * flow.c (delete_block): Call set_last_insn after we have reset
5862 NEXT_INSN (kept_tail).
5864 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
5866 * mips.md (trap_if): Use "$0" for the value zero.
5868 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
5869 Stephen L Moshier <moshier@world.std.com>
5870 Richard Henderson <rth@cygnus.com>
5872 * c-common.c (declare_function_name): Declare predefinied variable
5875 * c-decl.c (flag_isoc9x): Set to 1 by default.
5876 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
5877 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
5879 * c-parse.in: Allow constructors in ISO C 9x.
5880 Rewrite designator list handling.
5881 Allow [*] parameters.
5882 Don't warn about comma at end of enum definition for ISO C 9x.
5884 * cccp.c (c9x): New variable.
5885 (rest_extension): New variable.
5886 (print_help): Document new -std= option.
5887 (main): Recognize -std= option. Set c9x appropriately.
5888 (create_definition): Recognize ISO C 9x vararg macros.
5890 * gcc.c (default_compilers): Adjust specs for -std options.
5891 (option_map): Add --std.
5892 (display_help): Document -std.
5894 * toplev.c (documented_lang_options): Add -std and remove
5897 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
5898 or REAL_VALUE_HTOF based on base of the constants.
5899 * fold-const.c (real_hex_to_f): New function. Replacement function
5900 for hex FP conversion if REAL_ARITHMETIC is not defined.
5901 * real.c (asctoeg): Add handling of hex FP constants.
5902 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
5905 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
5907 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
5908 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
5909 expansion. Use hi/lo as destination register.
5911 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
5912 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
5913 Avoid as macro expansion. Use hi/lo as destination register.
5915 * mips.h (MASK_CHECK_RANGE_DIV): New.
5916 (MASK_NO_CHECK_ZERO_DIV): New.
5917 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
5918 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
5919 return address for leaf functions out of r31 to support
5920 builtin_return_address.
5922 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5924 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
5925 NEXT_INSN(x) to check insn x.
5927 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
5929 * flow.c (delete_block): Call set_last_insn if we end up deleting the
5930 last insn in the rtl chain.
5932 * reload1.c (reload): Do not set reload_completed or split insns
5934 * toplev.c (rest_of_compilation): Set reload_completed after
5935 reload returns. Split insns after reload_cse has run.
5937 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
5939 * final.c (final_scan_insn): Abort if block_depth falls below 0.
5941 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
5943 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
5945 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
5947 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
5948 use of user-label_prefix.
5950 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5952 * reload1.c (emit_reload_insns): Clear spill_reg_store
5953 when doing a new non-inherited reload from the same pseudo.
5955 * local-alloc.c (function_invariant_p): New function.
5956 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
5957 to decide if an equivalence should be recorded.
5958 * reload1.c (num_eliminable_invariants): New static variable.
5959 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
5960 to decide if an equivalence should be recorded.
5962 (calculate_needs_all_insns): Skip insns that only set an equivalence.
5963 Take num_eliminable_invariants into account when deciding
5964 if register elimination should be done.
5965 (reload_as_needed): Take num_eliminable_invariants into account
5966 when deciding if register elimination should be done.
5967 (eliminate_regs): Handle non-constant reg_equiv_constant.
5968 * rtl.h (function_invariant_p): Declare.
5970 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
5972 * version.c: Bump for snapshot.
5974 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
5976 * version.c: Bump for snapshot.
5978 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
5980 * except.c (add_new_handler): Complain about additional handlers
5981 after one that catches everything.
5983 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
5985 * configure.in (alpha*-*-netbsd): Fix typo.
5986 * configure: Rebuilt.
5988 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5990 * system.h: Include libiberty.h.
5992 * c-aux-info.c: Remove prototypes for concat/concat3. Change
5993 function `concat' from fixed parameters to variable parameters,
5994 as is done in libiberty. All callers of concat/concat3
5995 changed to use the new `concat' with variable args.
5997 * cccp.c: Remove things made redundant by libiberty.h and/or
5998 conform to libiberty standards.
6000 * collect2.c: Likewise.
6001 * config/1750a/1750a.h: Likewise.
6002 * cppalloc.c: Likewise.
6003 * cppexp.c: Likewise.
6004 * cppfiles.c: Likewise.
6005 * cpphash.c: Likewise.
6006 * cpplib.c: Likewise.
6007 * dyn-string.c: Likewise.
6008 * fix-header.c: Likewise.
6011 * genattr.c: Likewise.
6012 * genattrtab.c: Likewise.
6013 * gencheck.c: Likewise.
6014 * gencodes.c: Likewise.
6015 * genconfig.c: Likewise.
6016 * genemit.c: Likewise.
6017 * genextract.c: Likewise.
6018 * genflags.c: Likewise.
6019 * gengenrtl.c: Likewise.
6020 * genopinit.c: Likewise.
6021 * genoutput.c: Likewise.
6022 * genpeep.c: Likewise.
6023 * genrecog.c: Likewise.
6024 * getpwd.c: Likewise.
6025 * halfpic.c: Likewise.
6027 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
6028 in NEED_DECLARATION_* macros.
6030 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
6031 conform to libiberty standards.
6032 (fatal): Fix const-ification of variable `format' in
6033 !ANSI_PROTOTYPES case.
6035 * prefix.c: Remove things made redundant by libiberty.h and/or
6036 conform to libiberty standards.
6038 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
6039 conflicting with function `spaces' from libiberty.
6041 * profile.c: Remove things made redundant by libiberty.h and/or
6042 conform to libiberty standards.
6043 * protoize.c: Likewise.
6046 * tlink.c: Likewise.
6047 * toplev.c: Likewise.
6048 * toplev.h: Likewise.
6051 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6053 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
6055 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6057 * README.C4X: Updated URLs.
6058 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
6059 (valid_parallel_operands_5): Remove unused variable.
6061 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6063 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
6065 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
6067 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
6068 which can be configured.
6069 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
6070 (Makefile): Pass actual LANGUAGES through the environment when
6072 (cstamp-h): Likewise.
6073 (config.status): Likewise.
6075 * configure.in (enable_languages): Add new configuration parameter
6076 "--enable-languages=lang1,lang2,...".
6077 (${srcdir}/*/config-lang.in): Change handling to configure only
6078 those directories, that the user might have enabled; default to
6079 "all" existing languages.
6080 * configure: Regenerate.
6082 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
6084 * rtlanal.c (regs_set_between_p): New function.
6085 * rtl.h (regs_set_between_p): Prototype it.
6086 * jump.c (jump_optimize): Use it instead of modified_between_p
6087 in the Sep 2 change.
6089 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
6090 Matthias Pfaller <leo@dachau.marco.de>
6092 * invoke.texi (Option Summary, NS32K Options): add description
6093 of NS32K specific options.
6095 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
6096 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
6097 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
6098 negdf2, absdf2): Use l instead of f since the double class and
6099 float class are no longer the same.
6100 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
6101 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
6102 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
6103 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
6105 (cmpsi, cmphi, cmpqi): use general_operand instead of
6106 non_immediate_operand. Removes erroneous assumption that can't
6108 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
6109 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
6111 (movstrsi, movstrsi1, movstrsi2): completely new block move
6113 (...): Patterns to exploit multiply-add instructions.
6114 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
6115 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
6116 patterns to exploit extended divide insns.
6117 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
6120 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
6121 float return values as well as simple scalar floats.
6122 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
6123 support new flag to denote 32381 fpu.
6124 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
6125 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
6127 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
6128 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
6129 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
6130 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
6131 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
6132 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
6133 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
6134 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
6135 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
6136 fpu registers and special register classes for new 32381
6137 instructions dotf and polyf.
6138 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
6140 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
6141 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
6143 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
6144 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
6145 (REGISTER_MOVE_COST): move code to register_move_cost function for
6146 ease of coding and debugging.
6147 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
6148 LONG_FLOAT_REGO is likely spilled but not caught by default
6150 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
6151 instead of hard coded numbers in range check.
6152 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
6153 (...): Add prototypes for functions in ns32k.c but disable because
6154 of problems when ns32k.h is included in machine independant files.
6156 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
6157 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
6158 hard_regno_mode_ok, secondary_reload_class,
6159 print_operand, print_operand_address): new register scheme to
6160 include 32381 fpu registers and special register classes for new
6161 32381 instructions dotf and polyf.
6162 (gen_indexed_expr): Make static to keep namespace clean.
6163 (check_reg): remove since never called.
6164 (move_tail, expand_block_move): helper functions for "movstrsi"
6166 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
6167 Increase cost of moves which go via memory.
6168 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
6169 (CPP_PREDEFINES): nolonger predefine "unix".
6171 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
6172 Remove erroneous %$. print_operand() can work out from the rtx is
6173 an immediate prefix is required.
6175 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
6176 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
6177 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
6179 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
6182 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
6183 Correct handling of pic operands.
6184 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
6185 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
6186 -mrtd calling convention.
6188 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
6190 * gcc.c (option_map): Recognize --output-class-directory.
6192 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6194 * loop.h (precondition_loop_p): Added new mode argument.
6195 * unroll.c (precondition_loop_p): Likewise.
6196 (approx_final_value): Function deleted and subsumed
6197 into loop_iterations.
6198 (loop_find_equiv_value): New function.
6199 (loop_iterations): Use loop_find_equiv_value to find increments
6200 too large to be immediate constants. Also use it to find terms
6201 common to initial and final iteration values that can be removed.
6203 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6205 * loop.h (struct loop_info): Define new structure.
6206 (precondition_loop_p): Added prototype.
6207 (unroll_loop): Added new argument loop_info to prototype.
6208 (final_biv_value, final_giv_value): Added new argument n_iterations
6210 * loop.c (strength_reduce): Declare new structure loop_iteration_info
6211 and new pointer loop_info.
6212 (loop_n_iterations): Replace global variable by element in
6213 loop_info structure.
6214 (check_final_value): New argument n_iterations.
6215 (insert_bct): New argument loop_info.
6216 (loop_unroll_factor): Replace global array by element in
6217 loop_info structure.
6218 (loop_optimize): Remove code to allocate and initialise
6219 loop_unroll_factor_array.
6220 * unroll.c (precondition_loop_p): No longer static since
6221 used by branch on count optimization.
6222 (precondition_loop_p, unroll_loop): New argument loop_info.
6223 (final_biv_value, final_giv_value, find_splittable_regs): New
6224 argument n_iterations.
6225 (loop_iteration_var, loop_initial_value, loop_increment,
6226 loop_final_value, loop_comparison_code, loop_unroll_factor):
6227 Replaced global variables by loop_info structure.
6228 (loop_unroll_factor): Replace global array by element in
6229 loop_info structure.
6231 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6233 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
6236 * unroll.c (precondition_loop_p): Return loop_initial_value
6237 for initial_value instead of loop_iteration_var.
6239 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6241 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
6242 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
6243 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
6244 to output the instruction sequences.
6246 (rptb_top): Provide alternatives to use any register or memory
6248 (rptb_end): Emit use of operands rather than assigning them
6249 explicitly to the RS and RE registers.
6251 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6253 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
6254 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
6255 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
6256 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
6257 c4x_merge_notes, c4x_parallel_process,
6258 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
6259 c4x_combine_parallel): Delete.
6261 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6263 * config/c4x/c4x.c: (c4x_override_options): For compatibility
6264 with old target options clear flag_branch_on_count_reg if
6265 -mno-rptb specified and set flag_argument_alias is -mno-aliases
6267 (c4x_output_cbranch): Handle a sequence of insns rather than a
6269 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
6270 has not been allocated as the loop counter.
6271 (c4x_address_conflict): Do not allow two volatile memory references.
6272 (valid_parallel_operands_4, valid_parallel_operands_5,
6273 valid_parallel_operands_6): Reject pattern if the register destination
6274 of the first set is used as part of an address in the second set.
6276 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6278 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
6279 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
6280 is no longer enabled if PARALLEL_MPY_FLAG set.
6281 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
6282 (REG_CLASS_CONTENTS): Add braces around initializers.
6283 (HAVE_MULTIPLE_PACK): Define.
6284 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
6285 REAL_VALUE_TO_DECIMAL.
6286 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
6287 REAL_VALUE_TO_DECIMAL.
6288 (ar0_reg_operand): Add prototype.
6289 (ar0_mem_operand): Likewise.
6290 (ar1_reg_operand): Likewise.
6291 (ar1_mem_operand): Likewise.
6292 (ar2_reg_operand): Likewise.
6293 (ar2_mem_operand): Likewise.
6294 (ar3_reg_operand): Likewise.
6295 (ar3_mem_operand): Likewise.
6296 (ar4_reg_operand): Likewise.
6297 (ar4_mem_operand): Likewise.
6298 (ar5_reg_operand): Likewise.
6299 (ar5_mem_operand): Likewise.
6300 (ar6_reg_operand): Likewise.
6301 (ar6_mem_operand): Likewise.
6302 (ar7_reg_operand): Likewise.
6303 (ar7_mem_operand): Likewise.
6304 (ir0_reg_operand): Likewise.
6305 (ir0_mem_operand): Likewise.
6306 (ir1_reg_operand): Likewise.
6307 (ir1_mem_operand): Likewise.
6308 (group1_reg_operand): Likewise.
6309 (group1_mem_operand): Likewise.
6310 (ir1_reg_operand): Likewise.
6311 (arx_reg_operand): Likewise.
6312 (not_rc_reg): Likewise.
6313 (not_modify_reg): Likewise.
6314 (c4x_group1_reg_operand): Remove prototype.
6315 (c4x_group1_mem_operand): Likewise.
6316 (c4x_arx_reg_operand): Likewise.
6318 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
6320 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
6321 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
6323 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6325 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
6328 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6330 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
6331 unless FMOVD_WORKS is defined.
6333 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6335 * regclass.c (init_reg_sets): Move code that calculates tables
6336 dependent on reg_class_contents from here...
6337 (init_reg_sets_1): To here.
6339 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
6341 * cpplib.h: Delete struct import_file. Add ihash element to
6342 struct cpp_buffer. Delete dont_repeat_files and
6343 import_hash_table elements from cpp_reader; change
6344 all_include_files to a hash table. Delete all foobar_include
6345 / last_foobar_include elements from struct cpp_options; put
6346 back four such: quote_include, bracket_include,
6347 system_include, after_include. Redo struct file_name_list
6348 completely. Add new structure type include_hash. Add
6349 prototypes for merge_include_chains and include_hash. Change
6350 prototypes for finclude, find_include_file, and
6351 append_include_chain to match changes below.
6353 * cppfiles.c (simplify_pathname, include_hash,
6354 remap_filename, merge_include_chains): New functions.
6355 (add_import, lookup_import, open_include_file): Removed.
6356 (INO_T_EQ): Define this (copied from cccp.c).
6357 (hack_vms_include_specification): Remove all calls and #if 0
6358 out the definition. It was being called incorrectly and at
6359 the wrong times. Until a VMSie can look at this, it's better
6360 to not pretend to support it.
6361 (append_include_chain): Change calling convention; now takes
6362 only one directory at a time, and sets up the data structure
6364 (redundant_include_p): Rewritten - this is now used for all
6365 include redundancy, whether by #ifndef, #import, or #pragma
6366 once. Looks up things in the include hash table.
6367 (file_cleanup): Decrement pfile->system_include_depth here if
6369 (find_include_file): Calling convention changed; now passes
6370 around a struct include_hash instead of 3 separate parameters.
6371 Guts ripped out and replaced with new include_hash mechanism.
6372 (finclude): Calling convention changed as for
6373 find_include_file. Error exits pulled out-of-line. Reformat.
6374 (safe_read): Return a long, not an int.
6375 (deps_output): Don't recurse.
6377 * cpplib.c (is_system_include): Deleted.
6378 (path_include): Fix up call to append_include_chain.
6379 (do_include): Fix up calls to find_include_file and finclude.
6380 Clean up dependency output a bit. Shorten obnoxiously lengthy
6381 #import warning message. Don't decrement
6382 pfile->system_include_depth here.
6383 (do_pragma): Understand the include_hash structure. Reformat.
6384 (do_endif): Correct handling of control macros. Understand
6386 (cpp_start_read): Fix up calls to finclude. Call
6387 merge_include_chains.
6388 (cpp_handle_option): Fix up calls to append_include_chain.
6389 Understand the four partial include chains.
6390 (cpp_finish): Add debugging code (#if 0-ed out) for the
6392 (cpp_cleanup): Free the include_hash, not the import hash and
6393 the all_include and dont_repeat lists which no longer exist.
6395 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
6397 * toplev.c (no_new_pseudos): Define.
6398 (rest_of_compilation): Set no_new_pseudos as needed.
6399 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
6400 if no_new_pseudos is set.
6401 * rtl.h (no_new_pseudos): Declare it.
6402 * reload1.c (reload): Update comments.
6403 * md.texi: Corresponding changes.
6405 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6407 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
6408 (choose_reload_regs): Rename it here as well. When computing it,
6409 also merge in used hardregs.
6411 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
6413 * gcc.c: Split out Objective-C specs to...
6414 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
6417 * c-lex.c (init_parse): Always initialize the filename global.
6418 * objc/objc-act.c (lang_init): Always call check_newline at
6421 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
6423 * reload1.c (reload): Remove unused variable.
6424 (reload_reg_free_for_value_p): Add missing parameter definition.
6426 * jump.c (jump_optimize): Remove unused variable.
6428 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
6430 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
6432 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
6434 * expr.c (move_by_pieces): Similarly.
6435 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
6436 * flow.c (find_auto_inc): Similarly.
6437 (try_pre_increment): Similarly.
6438 * loop.c (strength_reduce): Similarly.
6439 * regclass.c (auto_inc_dec_reg_p): Similarly.
6440 * regmove.c (try_auto_increment): Similarly.
6441 (fixup_match_1): Similarly.
6442 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
6443 (HAVE_PRE_DECREMENT): Similarly.
6444 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
6445 * Corresponding changes to all target header files.
6446 * tm.texi: Update docs for autoinc addressing modes.
6448 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
6450 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
6451 * configure: Rebuild.
6452 * config/elfos.h: New file.
6453 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
6454 config/m68k/t-m68kelf: New file.
6456 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
6458 * Makefile.in (HOST_AR): Define.
6459 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
6460 (libcpp.a): Use the host tools explicitly.
6461 (STAGESTUFF): Add libcpp.a.
6463 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
6465 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
6466 to source and destination registers.
6468 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
6470 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
6471 The strategy we now use is to pre allocate the top_elt along
6472 with the EH context so that each thread has its own top_elt.
6473 This is necessary as the dynmanic cleanup chain is used on the
6474 top element of the stack and each thread MUST have its own.
6475 (eh_context_static): Likewise.
6476 (new_eh_context): Likewise.
6477 (__sjthrow): Likewise.
6479 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
6481 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
6482 * i386.md (prologue_get_pc): Remove unused variable.
6484 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
6486 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
6488 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
6490 * Makefile.in (OBJS): Add graph.o
6491 (graph.o): New dependency list.
6492 * flags.h: Declare dump_for_graph and define graph_dump_types type.
6493 * print-rtl.c (dump_for_graph): Define new variable.
6494 (print_rtx): Rewrite to allow use in graph dumping functions.
6495 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
6496 finish_graph_dump_file.
6497 Define graph_dump_format.
6498 (compile_file): If graph dumping is enabled also clear these files.
6499 Finish graph dump files.
6500 (rest_of_compilation): Also dump graph information if enabled.
6501 (main): Recognize -dv to enabled VCG based graph dumping.
6502 * graph.c: New file. Graph dumping functions.
6504 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
6506 * configure.in: Look for <sys/stat.h>.
6507 * system.h: Include it before substitute S_ISREG definitions.
6509 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
6511 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
6512 * config/mips/iris6.h: Same.
6513 * config/mips/mips.md: Same.
6514 * config/mips/mips.c: Same; also add "-mabi=o64" option.
6515 * config/mips/mips.h: Same; also define ABI_O64.
6517 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6519 * configure.in: Use AC_PREREQ(2.12.1).
6521 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
6523 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
6524 * cpplib.c, gcc.c: Likewise.
6525 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
6527 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
6529 * local-alloc.c (local_alloc): Use malloc not alloca for
6530 reg_qty, reg_offset, ref_next_in_qty.
6532 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6534 * caller-save.c (insert_one_insn): Initialize the live_before and
6535 live_after register sets.
6539 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
6540 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
6541 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
6542 (fp_reg_names, assembler_dialect): New variables.
6543 (print_operand_address): Handle SUBREGs.
6544 (print_operand): Added 'o' case.
6545 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
6546 Name of FP registers depends on mode.
6547 (expand_block_move): Emit different code for SH4 hardware.
6548 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
6549 (from_compare): Likewise.
6550 (add_constant): New argument last_value. Changed all callers.
6551 (find_barrier): Don't try HImode load for FPUL_REG.
6552 (machine_dependent_reorg): Likewise.
6553 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
6554 (gen_far_branch): Emit a barrier after the new jump.
6555 (barrier_align): Don't trust instruction lengths before
6557 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
6558 Use auto-inc addressing for fp registers if doubles need to
6559 be loaded in two steps.
6560 Set sh_flag_remove_dead_before_cse.
6561 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
6562 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
6563 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
6564 Support for FIRST_XD_REG .. LAST_XD_REG.
6565 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
6566 (sh_expand_epilogue): Likewise.
6567 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
6568 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
6569 (arith_reg_operand): FPUL_REG is OK for SH4.
6570 (fp_arith_reg_operand, fp_extended_operand) New functions.
6571 (tertiary_reload_operand, fpscr_operand): Likewise.
6572 (commutative_float_operator, noncommutative_float_operator): Likewise.
6573 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
6574 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
6575 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
6576 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
6577 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
6578 (CONDITIONAL_REGISTER_USAGE): Likewise.
6579 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
6580 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
6581 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
6582 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
6583 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
6584 to -1 and sh_flag_remove_dead_before_cse to 1.
6585 (ASSEMBLER_DIALECT): Define to assembler_dialect.
6586 (assembler_dialect, fp_reg_names): Declare.
6587 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
6588 Hide names of registers that are not accessible.
6589 (CACHE_LOG): Take TARGET_CACHE32 into account.
6590 (LOOP_ALIGN): Take TARGET_HARWARD into account.
6591 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
6592 (FIRST_PSEUDO_REGISTER: Now 49.
6593 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
6594 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
6595 (HARD_REGNO_MODE_OK): Update.
6596 (enum reg_class): Add DF_REGS and FPSCR_REGS.
6597 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
6598 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
6599 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
6600 (NPARM_REGS): Eight floating point parameter registers on SH4.
6601 (BASE_RETURN_VALUE_REG): SH4 also passes double values
6602 in floating point registers.
6603 (GET_SH_ARG_CLASS) Likewise.
6604 Complex float types are also returned in float registers.
6605 (BASE_ARG_REG): Complex float types are also passes in float registers.
6606 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
6607 (LIBCALL_VALUE): Remove trailing semicolon.
6608 (ROUND_REG): Round when double precision value is passed in floating
6610 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
6611 passed on the stack.
6612 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
6613 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
6614 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
6615 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
6616 (MODE_DISP_OK_8): Not for SH4 DFmode.
6617 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
6618 Allow indexed addressing for PSImode after reload.
6619 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
6620 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
6621 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
6622 (DOUBLE_TYPE_SIZE): 64 for SH4.
6623 (RTX_COSTS): Add PLUS case.
6624 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
6625 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
6626 MAC_REGS, PR_REGS, DF_REGS.
6627 (REGISTER_NAMES): Use fp_reg_names.
6628 (enum processor_type): Add PROCESSOR_SH4.
6629 (sh_flag_remove_dead_before_cse): Declare.
6630 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
6631 (PREDICATE_CODES): Add binary_float_operator,
6632 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
6633 fpscr_operand, noncommutative_float_operator.
6634 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
6635 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
6636 * sh.md (attribute cpu): Add value sh4.
6637 (attrbutes fmovd, issues): Define.
6638 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
6639 (function units memory, int, mpy, fp): Make dependent on issue rate.
6640 (function units issue, single_issue, load_si, load): Define.
6641 (function units load_store, fdiv, gp_fpul): Define.
6642 (attribute hit_stack): Provide proper default.
6643 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
6644 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
6645 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
6646 (mulsi3_call): Now uses match_operand for function address.
6647 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
6649 (push, pop, push_e, pop_e): Now define_expands.
6650 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
6651 (movsi_ie): Added y/i alternative.
6652 (ic_invalidate_line_i, movdf_i4): New insns.
6653 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
6654 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
6655 (movdf): Add special code for SH4.
6656 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
6657 (call_valuei, calli, call_value): Likewise.
6658 (movsf): Emit no-op move.
6659 (mov_nop, movsi_y): New insns.
6660 (blt, sge): generalize to handle DFmode.
6661 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
6662 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
6663 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
6664 (fpu_switch0, fpu_switch1, movpsi): New expanders.
6665 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
6666 (toggle_sz): New insn.
6667 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
6668 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
6669 (macsf3): Make use of fpscr visible. Disable for SH4.
6670 (floatsisf2): Make use of fpscr visible.
6671 (floatsisf2_i4): New insn.
6672 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
6673 (ieee_ccmpeqsf_t): Likewise.
6674 (fix_truncsfsi2): Emit different code for SH4.
6675 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
6676 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
6677 (negsf2, sqrtsf2, abssf2): Now expanders.
6678 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
6679 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
6680 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
6681 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
6682 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
6683 (fix_truncdfsi2_i4_2+1): New splitters.
6684 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
6685 (extendsfdf2, truncdfsf2): New expanders.
6686 (truncdfsf2_i4): New insn.
6687 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
6688 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
6689 * float-sh.h: When testing for __SH3E__, also test for
6690 __SH4_SINGLE_ONLY__ .
6691 * va-sh.h (__va_freg): Define to float.
6692 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
6693 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
6694 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
6695 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
6697 (TARGET_SH4_P): Define.
6700 * sh.md (movdf_k, movsf_i): Tweak the condition so that
6701 init_expr_once is satisfied about the existence of load / store insns.
6703 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
6704 change m constraint in source operand to mr / mf .
6706 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
6708 * (__VA_REEF): Define.
6709 (__va_arg_sh1): Use it.
6711 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
6713 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
6715 * i386/dgux.c (struct option): Add new "description field".
6716 * m88k/m88k.c (struct option): Likewise.
6718 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
6720 * version.c: Bump for snapshot.
6722 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6724 * regmove.c (regmove_profitable_p): Use return value of find_matches
6727 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
6729 * version.c: Bump for snapshot.
6731 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
6733 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
6734 without reload having been called earlier.
6736 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
6738 (v850_reorg): Similarly.
6740 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
6742 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6744 * loop.c (move_movables): Start of libcall might be new loop start.
6746 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6748 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
6750 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6752 * function.c (nonlocal_goto_handler_slots): Renamed from
6753 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
6754 (push_function_context_to): Adjust for this change.
6755 (pop_function_context_from): Likewise.
6756 (init_function_start): Likewise.
6757 (expand_function_end): Likewise.
6758 * function.h (struct function): Likewise.
6759 * calls.c (expand_call): Likewise.
6760 * explow.c (allocate_dynamic_stack_space): Likewise.
6761 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
6762 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
6764 (expand_goto): When doing a nonlocal goto, find corresponding handler
6765 slot for it. Don't put the label address in the static chain register.
6766 (expand_end_bindings): Break out nonlocal goto handling code into
6767 three new functions.
6768 (expand_nl_handler_label, expand_nl_goto_receiver,
6769 expand_nl_goto_receivers): New static functions, broken out of
6770 expand_end_bindings and adapted to create one handler per nonlocal
6772 * function.c (delete_handlers): Delete insn if it references any of
6773 the nonlocal goto handler slots.
6774 * i960.md (nonlocal_goto): Comment out code that modifies
6776 * sparc.md (nonlocal_goto): Likewise.
6777 (goto_handler_and_restore_v9): Comment out.
6778 (goto_handler_and_restore_v9_sp64): Comment out.
6780 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6782 * expr.c (STACK_BYTES): Delete unused macro.
6783 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
6784 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
6785 (expand_call): Likewise.
6786 (emit_library_call): Likewise.
6787 (emit_library_call_value): Likewise.
6788 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
6789 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
6790 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
6791 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
6792 (allocate_dynamic_stack_space): Likewise.
6793 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
6794 (STACK_BOUNDARY): Update description to reflect the new situation.
6796 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
6798 * reorg.c (relax_delay_slots): When optimizing for code size, if a
6799 return with a filled delay slot is followed by a return with an
6800 unfilled delay slot, delete the first return and reemit the insn
6801 that was previously in its delay slot.
6803 * i860.c (single_insn_src_p): Add missing parens.
6804 * ginclude/math-3300.h: Likewise.
6806 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
6808 * regclass.c (init_reg_sets_1): Add prototype.
6809 (init_reg_modes): Likewise.
6811 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
6813 * c-common.c: Change warning messages to say `comparison is
6814 always true' or `comparison is always false' instead of the
6815 confusing `is always 0', `is always 1'.
6817 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
6819 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
6820 break instead of return (which loses closing '>').
6822 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
6824 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
6825 standard 387 constants.
6827 * i386.md (jump): Explicitly set "memory" attribute.
6828 (indirect_jump, prologue_set_stack_ptr): Likewise.
6829 (prologue_get_pc_and_set_got, pop): Likewise.
6830 (allocate_stack_worder, blockage, return_internal): Likewise.
6831 (return_pop_internal, nop): Likewise.
6832 (epilogue_set_stack_ptr, leave): Likewise.
6834 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
6836 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
6838 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6840 * reload1.c (reload_reg_free_for_value_p):
6841 Early auto_inc reloads don't conflict with outputs.
6843 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6845 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
6846 Instead call AC_HEADER_SYS_WAIT.
6848 * collect2.c: Don't provide defaults for sys/wait.h macros.
6850 * protoize.c: Likewise. Also, don't include sys/wait.h.
6852 * system.h: Include sys/wait.h and provide macro defaults.
6854 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
6856 * Makefile.in (mandir): Set to @mandir@.
6857 (man1dir): New variable to hold the former value of $(mandir).
6858 Replace all uses of $(mandir) by $(man1dir).
6860 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
6862 * reload.c (find_reloads_address_part): If have a CONST_INT, create
6863 a new one before passing it to force_const_mem.
6865 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
6866 find_reloads_address call.
6868 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6870 * expr.c (store_expr): Don't generate load-store pair
6871 if TEMP is identical (according to ==) with TARGET.
6873 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6875 * reload1.c (reload_reg_free_for_value_p): When considered reload
6876 has an output, matching inputs are not sufficient to avoid conflict.
6878 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
6880 * hash.h (hash_table_key): New type.
6881 (hash_entry): Change `string' field to generic `key'.
6882 (hash_table): Add `comp' and `hash' functions.
6883 (hash_table_init): Take them as input.
6884 (hash_table_init_n): Likewise.
6885 (hash_lookup): Modify for generic keys.
6886 (hash_newfunc): Likewise.
6887 (hash_traverse): Likewise.
6888 (string_hash): New function.
6889 (string_compare): Likewise.
6890 (string_copy): Likewise.
6891 * hash.c (hash_table_init_n): Modify for generic keys.
6892 (hash_table_init): Likewise.
6893 (hash_lookup): Likewise.
6894 (hash_newfunc): Likewise.
6895 (hash_traverse): Likewise.
6896 (string_hash): Split out from hash_lookup.
6897 (string_compare): New function.
6898 (string_copy): Split out from hash_lookup.
6899 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
6901 (symbol_hash_lookup): Likewise.
6902 (file_hash_newfunc): Likewise.
6903 (file_hash_lookup): Likewise.
6904 (demangled_hash_newfunc): Likewise.
6905 (demangled_hash_lookup): Likewise.
6906 (tlink_int): Likewise.
6907 (read_repo_file): Likewise.
6908 (recompile_files): Likewise.
6909 (demangle_new_symbols): Likewise.
6910 (scan_linker_output): Likewise.
6912 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6914 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
6916 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@gnu.org>
6918 * rs6000.c (output_mi_thunk): Improve test for local branch.
6920 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6922 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
6924 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6926 * reload1.c (reload_reg_free_before_p): Delete.
6927 Changed all callers to use reload_reg_free_for_value_p instead.
6928 (reload_reg_free_for_value_p): Handle more reload types.
6929 A RELOAD_FOR_INPUT doesn't conflict with its
6930 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
6931 Add special case for OUT == const0_rtx.
6932 Added ignore_address_reloads argument. Changed all callers.
6934 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
6936 * toplev.c (compile_file): Don't pedwarn about undefined static
6937 functions just because we passed -Wunused.
6939 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6941 * function.c (purge_addressof_1): Unshare rtl created by
6944 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6946 * regmove.c (regmove_optimize): Don't do anything but
6947 optimize_reg_copy[123] when flag_regmove is not set.
6949 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
6951 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
6952 value in paradoxical SImode result, rather than truncating midpoint.
6954 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
6956 * alpha.c (reg_not_elim_operand): New.
6957 * alpha.h (PREDICATE_CODES): Add it.
6958 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
6959 for the multiplicand.
6961 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@gnu.org>
6963 * rs6000.md (movsf): Remove explicit secondary-reload-like
6964 functionality. Only truncate SFmode store if in FPR.
6965 (movsf splitters): Combine const_double splitters.
6966 (movsf_hardfloat): Add GPR support.
6968 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
6970 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
6971 deprecate -mlive-g0 and -mbroken-saverestore.
6972 * t-splet (MULTILIB_OPTIONS): Likewise.
6974 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
6975 in a leaf function. Clarify total_size/extra_size relationship.
6977 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
6979 * i386/cygwin32.asm: Delete.
6980 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
6981 * i386/cygwin32.h: Delete.
6982 * i386/cygwin.h: New file, renamed from cygwin32.h.
6983 * i386/t-cygwin32: Delete.
6984 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
6985 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
6986 * i386/x-cygwin32: Delete.
6987 * i386/x-cygwin: New file, renamed from x-cygwin32.
6988 * i386/xm-cygwin32: Delete.
6989 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
6990 renamed cygwin_ funcs for path translations.
6991 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
6992 * i386/winnt.c: Remove "32" from comment about cygwin.
6993 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
6994 * rs6000/cygwin32.h: Delete.
6995 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
6996 -D__CYGWIN__ to CPP_PREDEFINES.
6997 * rs6000/x-cygwin32: Delete.
6998 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
6999 * rs6000/xm-cygwin32: Delete.
7000 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
7002 * configure.in: Check for cygwin* instead of cygwin32. Account
7003 for the rename of cygwin-related config files to lose the "32"s.
7004 * configure: Regenerate.
7006 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
7007 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
7009 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
7011 * Makefile.in (JAVAGC): New macro.
7012 * configure: Rebuilt.
7013 * configure.in: Recognize --enable-java-gc argument. Subst
7016 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7018 Handle equivalences that have been obscured by gcse:
7020 * reload1.c (reload): Handle equivalences set up in multiple places.
7021 * local-alloc.c (reg_equiv_init_insns): New variable.
7022 (no_equiv): New function.
7023 (update_equiv_regs): Handle equivalences set up in multiple places.
7024 Don't ignore an insn just because its destination is likely to be
7027 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
7029 * except.c (expand_eh_return): Readd force_operand call lost in
7032 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@gnu.org>
7034 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
7036 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
7038 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
7040 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7042 * regmove.c (regmove_optimize): Fix error in last change.
7044 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
7046 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
7047 offset in the .mask pseudo to compensate for frame pointer adjustments.
7048 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
7049 word swap arguments moved to/from FP registers.
7050 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
7052 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
7054 * version.c: Bump for snapshot.
7056 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
7058 * version.c: Bump for snapshot.
7060 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
7062 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
7063 times, then it can not be completely replaced.
7065 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
7067 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
7069 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7071 * gansidecl.h: Prepend a "G" to the macro wrapping this file
7072 (to distinguish it from the macro wrapping ansidecl.h.)
7073 Include libiberty's ansidecl.h. Remove all redundant definitions.
7074 Define the PROTO() style macros in terms of the PARAMS() ones.
7077 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
7078 __STDC__, when deciding whether to use ANSI variable args.
7079 (emit_library_call_value): Likewise.
7081 * cccp.c (error): Likewise.
7082 (warning): Likewise.
7083 (error_with_line): Likewise.
7084 (warning_with_line): Likewise.
7085 (pedwarn): Likewise.
7086 (pedwarn_with_line): Likewise.
7087 (pedwarn_with_file_and_line): Likewise.
7090 * cexp.y (error): Likewise.
7091 (pedwarn): Likewise.
7092 (warning): Likewise.
7094 * collect2.c (fatal_perror): Likewise.
7098 * combine.c (gen_rtx_combine): Likewise.
7100 * cpperror.c (cpp_message): Likewise.
7101 (cpp_fatal): Likewise.
7103 * cpplib.c (cpp_error): Likewise.
7104 (cpp_warning): Likewise.
7105 (cpp_pedwarn): Likewise.
7106 (cpp_error_with_line): Likewise.
7107 (cpp_warning_with_line): Likewise.
7108 (cpp_pedwarn_with_line): Likewise.
7109 (cpp_pedwarn_with_file_and_line): Likewise.
7111 * cpplib.h: Don't define PARAMS() macro.
7113 * demangle.h: Likewise.
7115 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
7116 when deciding whether to use ANSI variable args.
7118 * emit-rtl.c (gen_rtx): Likewise.
7119 (gen_rtvec): Likewise.
7121 * final.c (asm_fprintf): Likewise.
7123 * fix-header.c (cpp_message): Likewise.
7125 (cpp_fatal): Likewise.
7127 * gcc.c (concat): Likewise.
7131 * genattr.c (fatal): Likewise.
7133 * genattrtab.c (attr_rtx): Likewise.
7134 (attr_printf): Likewise.
7137 * gencodes.c (fatal): Likewise.
7139 * genconfig.c (fatal): Likewise.
7141 * genemit.c (fatal): Likewise.
7143 * genextract.c (fatal): Likewise.
7145 * genflags.c (fatal): Likewise.
7147 * genopinit.c (fatal): Likewise.
7149 * genoutput.c (fatal): Likewise.
7152 * genpeep.c (fatal): Likewise.
7154 * genrecog.c (fatal): Likewise.
7156 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
7157 deciding whether to declare `tree_node' and `rtx_def'.
7159 * hash.h: Don't define stuff we get from gansidecl.h.
7161 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
7162 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
7163 whether to use ANSI variable args.
7166 * prefix.c (concat): Likewise.
7170 * system.h: Likewise.
7172 * toplev.c (error_with_file_and_line): Likewise.
7173 (error_with_decl): Likewise.
7174 (error_for_asm): Likewise.
7177 (warning_with_file_and_line): Likewise.
7178 (warning_with_decl): Likewise.
7179 (warning_for_asm): Likewise.
7180 (warning): Likewise.
7181 (pedwarn): Likewise.
7182 (pedwarn_with_decl): Likewise.
7183 (pedwarn_with_file_and_line): Likewise.
7185 (really_sorry): Likewise.
7187 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
7188 whether to declare `tree_node' and `rtx_def'.
7190 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
7191 deciding whether to use ANSI variable args.
7192 (build_nt): Likewise.
7193 (build_parse_node): Likewise.
7195 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
7197 * version.c: Bump for snapshot.
7199 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7201 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
7203 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@gnu.org>
7205 * collect2.c (main, case 'b'): Use else if.
7207 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7209 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
7210 Arrange to include gansidecl.h in {ht}config.h & tm.h just
7211 before the config/ directory headers.
7212 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
7213 gansidecl.h in the list of dependencies.
7215 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
7216 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
7217 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
7218 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
7219 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
7220 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
7223 * cccp.c: Don't include gansidecl.h.
7225 * collect2.c: Likewise.
7226 * config/c4x/c4x.c: Likewise.
7227 * config/v850/v850.h: Likewise.
7228 * cppalloc.c: Likewise.
7229 * cpperror.c: Likewise.
7230 * cppexp.c: Likewise.
7231 * cppfiles.c: Likewise.
7232 * cpphash.c: Likewise.
7233 * cpplib.c: Likewise.
7234 * cppmain.c: Likewise.
7235 * cppulp.c: Likewise.
7236 * demangle.h: Likewise.
7237 * doprint.c: Likewise.
7238 * dyn-string.c: Likewise.
7239 * eh-common.h: Likewise.
7240 * fix-header.c: Likewise.
7241 * frame.c: Likewise.
7244 * gen-protos.c: Likewise.
7245 * gencheck.c: Likewise.
7246 * halfpic.h: Likewise.
7248 * machmode.h: Likewise.
7249 * mbchar.c: Likewise.
7250 * prefix.c: Likewise.
7251 * protoize.c: Likewise.
7252 * recog.h: Likewise.
7254 * scan-decls.c: Likewise.
7256 * varray.h: Likewise.
7258 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
7260 * i386.md (call_value_pop): If we're not popping anything,
7261 defer to call_value.
7262 (call_pop): Likewise defer to call.
7264 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
7266 * function.c (purge_addressof): Clear purge_addressof_replacements
7267 only after processing the whole function.
7269 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
7271 * reload1.c (reload): If we can not perform a particular elimination
7272 when we thought we could earlier, then we must always iterate through
7273 the loop at least one more time.
7275 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
7277 * alpha.c (add_operand): Simplify the CONST_INT match.
7278 (sext_add_operand): Correct typo in comparison by using
7279 CONST_OK_FOR_LETTER_P.
7280 * alpha.md (s?addq): Use sext_add_operand to allow the negative
7281 constant alternatives to be generated.
7282 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
7283 small constants, since the hw instructions do.
7285 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7287 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
7288 previous insn to store directly into our reload register, make sure
7289 that if the source of the previous insn is a reload register, its
7290 spill_reg_store and spill_reg_stored_to values are cleared.
7292 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@gnu.org>
7294 * rs6000.md (floatunssidf2_internal splitter): Use base register
7295 operand, not hard-coded SP.
7297 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7299 * jump.c (calculate_can_reach_end): Fix thinko.
7301 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
7303 * reorg.c (fill_simple_delay_slots): Fix typo.
7305 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
7307 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
7309 * i386.md (extendsidi2): Use # in the output template.
7310 (extendsidi splitters): New splitters.
7312 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
7314 * configure.in: Use unknown-elf.h as tm_file for arm-elf
7316 * configure: Regenerate.
7318 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7320 * jump.c (init_label_info, delete_barrier_successors,
7321 mark_all_labels, delete_unreferenced_labels,
7322 delete_noop_moves, calculate_can_reach_end): New functions broken
7323 out of jump_optimize.
7324 (jump_optimize): Use them.
7326 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
7328 * except.c (expand_fixup_region_end): Make sure outer context labels
7329 are not issued in an inner context during cleanups.
7331 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
7333 * alpha.md (addsi3, subsi3): No new temporaries once cse is
7336 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
7338 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
7339 to expose this midpoint to CSE.
7341 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7343 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
7345 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
7347 * configure.in: Bring over gcc2 change of Nov 19 1997.
7349 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
7351 * toplev.c (output_lang_identify): Make definition dependent on
7352 ASM_IDENTIFY_LANGUAGE.
7354 * print-rtl.c (spaces): Make static.
7356 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
7358 * extend.texi: Clarify proper uses for register clobbers in asms.
7360 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7362 * recog.h (enum op_type): Define.
7363 (constrain_operands): Adjust prototype.
7364 (recog_op_type): Declare new variable.
7365 * recog.c (recog_op_type): New variable.
7366 (insn_invalid_p): Allow modifying an asm statement after reload.
7367 (extract_insn): Set up recog_op_type.
7368 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
7369 Don't compute operand types, use recog_op_type.
7370 Use the information computed by extract_insn instead of the previous
7371 method of finding it by insn code number.
7372 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
7373 * reorg.c (fill_slots_from_thread): Likewise.
7374 * reload1.c (reload_as_needed): Likewise.
7375 (gen_reload): Likewise.
7376 (inc_for_reload): Likewise.
7377 (reload_cse_simplify_operands): Likewise.
7378 Use the information computed by extract_insn instead of the previous
7379 method of finding it by insn code number.
7380 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
7382 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
7383 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
7384 Use the information computed by extract_insn instead of the previous
7385 method of finding it by insn code number.
7386 * regmove.c (find_matches): Likewise. Change meaning of the return
7387 value to be nonzero if the optimization can be performed, zero if
7388 not. All callers changed.
7389 Shorten some variable names to fix formatting problems.
7390 (regmove_optimize): Shorten some variable names to fix formatting
7392 Use the information computed by extract_insn instead of the previous
7393 method of finding it by insn code number.
7394 * regclass.c (scan_one_insn): Likewise.
7395 (record_reg_classes): Don't compute operand types, use recog_op_type.
7396 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
7397 recog_constraints instead.
7399 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
7401 * rtl.h (flow2_completed): Declare.
7402 * flow.c (flow2_completed): Definition.
7403 * toplev.c (rest_of_compilation): Set and clear flow2_completed
7406 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
7408 * Makefile.in (libcpp.a): Ranlib libcpp.a
7410 * cppulp.c (user_label_prefix): Initialize.
7412 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
7414 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
7415 at a RETURN if current_function_sp_is_unchanging is set.
7417 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7419 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
7421 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
7423 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
7424 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
7425 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
7426 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
7427 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
7428 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
7430 (LIB_SPEC): Handle -mno-cyginw option.
7431 (LINK_SPEC): Handle -mdll.
7433 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7435 * reload.c (find_reloads): Fix test for usage by other reload
7436 to handle secondary reloads properly.
7438 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7440 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
7441 intermediate structure which has exactly the members provided by
7442 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
7443 static intermediate structure.
7445 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
7446 from the intermediate structure. Do the same analogous fix in
7447 the case where ELIMINABLE_REGS is not defined.
7449 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
7451 * pa.h (SELECT_SECTION): Fix thinko.
7453 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
7455 * dwarf2out.c (output_call_frame_info): Comments on last change.
7457 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
7459 * arm.c (add_constant): When taking the address of an item in the
7460 pool, get the mode of the item addressed.
7462 * arm.c (final_prescan_insn case INSN): If an insn doesn't
7463 contain a SET or a PARALLEL, don't consider it for conditional
7466 Restore ABI compatibility for NetBSD.
7467 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
7469 (RETURN_IN_MEMORY): Likewise.
7471 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
7473 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
7474 (m32r_output_block_move): Rewrite bytes < 4 handling.
7476 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7478 * configure.in: Call AC_FUNC_VFORK.
7480 * collect2.c: Define VFORK_STRING as a printable string for
7481 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
7482 defined, include vfork.h. If VMS is defined, define vfork()
7483 appropriately. Remove vfork check on USG, we're using autoconf.
7484 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
7485 checking locally what string to pass.
7486 (scan_prog_file): Likewise.
7487 (scan_libraries): Likewise.
7489 * gcc.c: Remove vfork check on USG, we're using autoconf.
7490 Besides, no calls to vfork/fork occur in this file.
7492 * protoize.c: Likewise.
7494 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
7496 * configure.in (DEFAULT_LINKER): renamed from LD
7497 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
7498 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
7499 * configure: rebuilt
7501 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
7503 * BUGS: fix the regexp for `more' to find the appropriate node.
7504 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
7506 * BUGS: added link to the WWW FAQ
7508 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
7510 * version.c: Bump for snapshot.
7512 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
7514 * From Christian Gafton:
7515 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
7516 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
7517 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
7519 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
7521 * c-common.c (c_get_alias_set): Allow all type-punning through
7522 unions. Don't get confused about the type of a bit-field, despite
7523 the antics of build_modify_expr.
7525 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
7527 * fixinc.sco: Paramaterize #include_next values.
7528 * fixinc/fixinc.sco: Likewise.
7530 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
7532 * toplev.c (rest_of_compilation): No longer set reload_completed.
7533 * reload1.c (reload): Set it here. Perform instruction splitting
7534 after reload has completed if we will be running the scheduler
7537 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
7539 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
7540 EH region if exceptions are enabled and we're performing cross
7542 (find_cross_jump): Exit loop if the insns are in different EH regions.
7544 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
7546 * dwarf2out.c (output_call_frame_info): Use
7547 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
7549 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7551 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
7552 * c-common.c (check_format_info): Don't check for the 'x'
7553 format character twice, instead check for 'x' and 'X'
7555 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
7557 * configure.in (assembler features): Also make gas is configured if
7558 we find it in the souce tree.
7560 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
7562 * i386.c (i386_comp_type_attributes): Compare whether the
7563 attributes are defined, not their tree nodes.
7565 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
7567 * configure.in (gxx_include_dir): bitten by autoconf quoting
7569 * configure: rebuilt
7571 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
7573 * configure.in: Ignore non-absolute value in $AS.
7575 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
7577 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
7579 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
7581 * configure.in (msdosdjgpp): Set exeext and target_alias.
7583 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7585 * flow.c (XNMALLOC): New macro.
7586 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
7588 (add_edge, add_edge_to_label): New static functions.
7589 (free_bb_memory): New function.
7590 (flow_delete_insn): Delete function.
7591 (basic_block_drops_in): Delete variable.
7592 (find_basic_blocks): Allocate and initialize basic_block_head,
7593 basic_block_succ. Don't allocate basic_block_drops_in.
7594 Call free_bb_memory at the beginning.
7595 (find_basic_blocks_1): Don't do multiple passes.
7596 Delete code to compute basic_block_drops_in.
7597 After calling make_edges, mark blocks reached by current block live.
7598 Update test for unreachable live blocks.
7599 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
7601 Simplify to call add_edge_to_label when a LABEL_REF is found.
7602 (make_edges): Simplify to call add_edge_to_label instead of
7603 mark_label_ref most of the time.
7604 Compute here whether control drops into the next block.
7605 (delete_unreachable_blocks): Return void. All callers changed.
7606 Delete unreachable blocks in reverse order.
7607 After deleting all unreachable blocks, renumber the remaining ones
7608 and update n_basic_blocks.
7609 (delete_block): Speed up deletion a bit.
7610 Don't set basic_block_drops_in for deleted blocks.
7611 (free_basic_block_vars): Don't free basic_block_drops_in.
7612 (life_analysis_1): Update to use new edge representation.
7613 (dump_flow_info): Delete code to print basic block info; call
7614 dump_bb_data instead.
7615 (compute_preds_succs): Delete code to recompute basic_block_drops_in
7616 and uid_block_number.
7617 Simply copy the previously computed cfg.
7618 (dump_bb_data): New arg LIVE_INFO. All callers changed.
7619 Print register lifetime information if LIVE_INFO is nonzero.
7620 * basic-block.h (dump_bb_data): Adjust prototype.
7621 * gcse.c (gcse_main): Update call to dump_bb_data.
7622 * rtl.h (free_bb_memory): Declare.
7623 * toplev.c (rest_of_compilation): Call free_bb_memory.
7625 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
7626 (update_eliminable_offsets): Don't compute it.
7627 (set_initial_elim_offsets): Don't initialize it.
7628 Break out some code into set_initial_label_offsets so the rest of
7629 this function can be called from reload_as_needed.
7630 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
7631 ELIMINABLE_REGS isn't.
7632 (set_initial_label_offsets): New function, broken out of
7633 set_initial_elim_offsets.
7634 (set_offsets_for_label): New function, broken out of set_label_offsets
7635 and reload_as_needed.
7636 (reload): Call the two new functions.
7637 (reload_as_needed): Call set_initial_elim_offsets instead of
7638 duplicating the code. Likewise for set_offsets_for_label.
7640 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
7641 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
7642 any hard reg, reg_reloaded_dead contains valid data.
7644 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
7646 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
7647 "stdcall" and "cdecl" attributes.
7649 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
7651 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
7652 handle deleted no-op moves of hard registers.
7653 * haifa-sched.c (update_flow_info): Likewise.
7655 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
7657 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
7658 of the sequences to reload the HILO register which do not actually
7661 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
7663 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
7665 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
7667 * except.c (emit_eh_context): Make the EH context register stay alive
7668 at -O0 so stupid.c doesn't get confused.
7670 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7672 * emit-rtl.c (try_split): Do not try to split a BARRIER.
7674 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
7675 Jeffrey A Law (law@cygnus.com)
7677 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
7678 (zero_extendsidi2): Use # in output template and handle completely by
7680 (zero_extend splitters): New define_splits.
7681 (ashiftrt_32): New pattern.
7683 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
7685 * tree.c (append_random_chars): New fn.
7686 (get_file_function_name_long): Use it.
7688 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
7690 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
7691 (LIBCPP_OBJS): New. Add cppulp.o.
7692 (cppmain, fix-header): Depend on and use libcpp.a.
7693 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
7694 of the individual object files.
7695 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
7698 * cccp.c (user_label_prefix): New.
7699 (main): Set it off -f*leading-underscore.
7700 (special_symbol): Use it.
7701 * cpplib.c (special_symbol): Likewise.
7702 (cpp_handle_option): Handle -f*leading-underscore.
7703 * cppulp.c: New file.
7705 * output.h (user_label_prefix): Declare it.
7706 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
7707 * toplev.c (f_options, main): Handle -f*leading-underscore.
7709 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
7710 referencing USER_LABEL_PREFIX directly.
7711 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
7712 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
7713 * final.c (asm_fprintf): Use user_label_prefix instead.
7714 * arm/thumb.c (thumb_print_operand): Likewise.
7716 * gcc.c (default_compilers): Pass -f*leading-underscore on to
7717 cpp wherever appropriate.
7719 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
7721 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
7722 specific compiler switches.
7724 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
7726 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
7729 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7731 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
7732 structure which has exactly the members provided by EXTRA_SPECS.
7733 Xmalloc() the real `extra_specs', and initialize it from this
7734 intermediate structure.
7736 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
7738 * mips.h (EXTRA_SPECS): Likewise.
7740 * sparc.h (EXTRA_SPECS): Likewise.
7742 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
7744 * function.c (purge_addressof_1): Instead of aborting when a
7745 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
7746 work just put the ADDRESSOF on stack. Otherwise remember all such
7747 successfull replacements, so that exactly the same replacements
7748 can be made on the REG_NOTEs. Remove the special case for CALL
7750 (purge_addressof_replacements): New variable.
7751 (purge_addressof): Clear it at end.
7753 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
7755 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
7756 (lang_init): Call check_newline always.
7757 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
7758 cpp_start_read, set yy_cur and yy_lim to read from
7759 parse_in.token_buffer, so that we'll see the first #line
7761 * cpplib.c (cpp_start_read): finclude the main input file
7762 before processing -include/-imacros. Process -imacros and
7763 -include separately, and handle -include by stacking a
7764 buffer for the file in question as if it'd been #included.
7765 * toplev.c (documented_lang_options) Recognize -H when
7768 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
7770 * cpplib.c: Merge do_once into do_pragma. Break file handling
7771 code out of do_include.
7772 Move append_include_chain, deps_output,
7773 file_cleanup, redundant_include_p, import_hash,
7774 lookup_import, add_import, read_filename_string, read_name_map,
7775 open_include_file, finclude, safe_read to cppfiles.c.
7776 Move prototypes for deps_output, append_include_chain,
7777 finclude to cpplib.h. Move definition of struct
7778 file_name_list there also.
7780 * cppfiles.c: New file. Contains all the above functions
7781 broken out of cpplib.c; also hack_vms_include_specification
7782 from cccp.c and find_include_file, a new function broken out of
7785 * Makefile.in (cppmain): Depend on cppfiles.o.
7786 (fix-header): Likewise.
7787 (cppfiles.o): New target.
7788 * configure.in (--enable-c-cpplib): Add cppfiles.o to
7789 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
7791 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
7793 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
7794 if pending_types is non-zero.
7795 (dwarfout_finish): Verify pending_types is zero before finishing.
7797 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
7799 * expr.c (convert_move): Use shifts to perform the move if a
7800 suitable extend pattern cannot be found. Code written by
7801 Richard Henderson <rth@cygnus.com>.
7803 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7805 * regclass.c (renumber, regno_allocated): New static variables, moved
7806 out of allocate_reg_info.
7807 (allocate_reg_info): Move these two variables outside the function.
7808 Move code to free memory into new function free_reg_info.
7809 (free_reg_info): New function, broken out of allocate_reg_info.
7810 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
7811 * rtl.h (allocate_reg_info): Don't declare.
7812 (free_reg_info): Declare.
7814 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
7816 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
7818 * toplev.c (compile_file): Temporarily revert last change.
7820 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
7822 * c-typeck.c (convert_for_assignment): Parenthesize.
7824 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
7826 * reload1.c (delete_output_reload): Avoid ambigous else.
7828 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
7830 * toplev.c (compile_file): Call allocate_reg_info to free register
7832 * rtl.h (allocate_reg_info): Declare.
7834 * PROJECTS: Remove entry for local spilling.
7836 * final.c (cleanup_subreg_operands): New function.
7837 (final_scan_insn): Use it.
7838 (alter_subreg): Clear the "used" field when we turn a SUBREG into
7840 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
7841 operands when reload has finished.
7842 * reload.h (cleanup_subreg_operands): Declare..
7843 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
7844 reload. Handled in reload itself.
7846 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7848 * reload1.c (verify_initial_offsets): New function.
7849 (reload): Call it after reload_as_needed. Also verify that the frame
7850 size stays constant during reload_as_needed.
7851 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
7853 * reload.h (struct insn_chain): Add need_operand_change element.
7854 * reload1.c (new_insn_chain): Clear it.
7855 (calculate_needs_all_insns): Set it; don't overload need_reload.
7856 (reload_as_needed): Use it.
7858 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
7859 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
7860 and reload_address_index_reg_class.
7861 (find_reloads_address_1): Likewise.
7862 * reload.h (reload_address_base_reg_class,
7863 reload_address_index_reg_class): Don't declare.
7864 * reload1.c (reg_old_renumber, pseudo_previous_regs,
7865 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
7866 (used_spill_regs): Now static.
7867 (reload_address_base_reg_class, reload_address_index_reg_class,
7868 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
7869 basic_block_needs, max_needs, group_size, group_mode, max_groups,
7870 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
7873 (init_reload): Delete code to compute base/index reg classes.
7874 (reload): Delete variable J.
7875 Delete code to manage basic_block_needs.
7876 Don't compute regs_explicitly_used.
7877 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
7878 pseudo_previous_regs.
7879 Initialize bad_spill_regs_global.
7880 Don't call order_regs_for_reload here.
7881 Don't initialize spill_reg_order and n_spills.
7882 Don't forbid explicitly used regs to be used for spill regs.
7883 Change main loop to infinite loop, with explicit break statements.
7884 Make SOMETHING_CHANGED variable local to that loop.
7885 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
7886 max_groups_insn, max_nongroups_insn, group_size, group_mode.
7887 Make sure spilled_speudos is cleared before calling spill_hard_reg or
7889 Don't call dump_needs.
7890 Delete code to reset potential_reload_regs.
7891 Delete code to terminate loop conditional on the global needs variables
7892 showing no further needs.
7893 (calculate_needs_all_insns): Return void. All callers changed.
7894 Initialize somehing_needs_elimination here, not in reload.
7895 Delete avoid_return_reg kludge.
7896 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
7897 All callers changed.
7898 Initialize the group_mode and group_size elements of the arg CHAIN.
7899 Delete code to manage basic_block_needs.
7900 Operate on elements of CHAIN instead of global variables.
7901 Delete avoid_return_reg kludge.
7902 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
7903 All callers changed.
7904 Operate on elements of CHAIN instead of global variables.
7905 Delete special SMALL_REGISTER_CLASSES code.
7906 Delete spill_failure code; now in new_spill_reg.
7907 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
7908 All callers changed.
7909 Operate on elements of CHAIN instead of global variables.
7910 (maybe_mark_pseudo_spilled): New static function.
7911 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
7912 All callers changed.
7913 Operate on elements of CHAIN instead of global variables.
7914 Call order_regs_for_reload here, not in reload.
7915 Initialize spill_reg_order and n_spills.
7916 Simplify test whether an asm insn is involved.
7917 Delete spill_failure code; now in new_spill_reg.
7918 Call maybe_mark_pseudo_spilled for everything marked as live in
7919 CHAIN. Merge CHAIN's used_spill_regs into the global variable
7921 (dump_needs): Take CHAIN arg. No longer static, to prevent the
7922 compiler from optimizing this function (now unused) away.
7923 Operate on elements of CHAIN instead of global variables.
7924 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
7926 Operate on elements of CHAIN instead of global variables.
7927 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
7928 take CHAIN arg. All callers changed.
7929 Operate on elements of CHAIN instead of global variables.
7930 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
7931 CHAIN, NONGROUP args. Return void. All callers changed.
7932 Verify caller isn't trying to spill a pseudo.
7933 Simplify test for illegal reg, just use bad_spill_regs.
7934 Generate better error messages.
7935 Operate on elements of CHAIN instead of global variables.
7936 Mark spilled register in CHAIN's used_spill_regs element.
7937 Don't call spill_hard_reg.
7938 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
7939 Mark spilled hard regs in bad_spill_regs_global.
7940 Mark affected pseudos in spilled_pseudos, but don't spill them.
7941 (ior_hard_reg_set): New static function.
7942 (finish_spills): Return int. All callers changed.
7943 Compute spill_reg_order, n_spills and spill_regs here. Also update
7944 regs_ever_live for regs used as spills.
7945 For every pseudo in spilled_pseudos, spill it and mark the previous
7946 hard reg it had in pseudo_previous_regs. Compute which hard regs
7947 arseudo): New static function.
7948 (order_regs_for_reload): Take CHAIN arg. All callers changed.
7949 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
7950 hard registers explicitly used across the current insn into the set.
7951 Compute hard_reg_n_uses taking only pseudos live across this insn
7953 Tweak sorting of potential_reload_regs.
7954 (compare_spill_regs): Delete function.
7955 (reload_as_needed): Don't sort the spill_regs array, it's computed
7956 in proper order in finish_spills.
7957 Delete avoid_return_reg kludge.
7958 Delete code to manage basic_block_needs.
7959 (allocate_reload_reg): Minor speed/readability tweaks.
7960 Operate on elements of CHAIN instead of global variables.
7961 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
7962 Delete avoid_return_reg kludge.
7963 Initialize reload_reg_used from CHAIN's used_spill_regs element.
7964 Delete unused label FAIL.
7965 (reload_combine): Replce reload_address_index_reg_class with
7967 Don't use used_spill_regs to determine information about lifetime of
7970 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
7972 * toplev.c (display_help): Ignore empty target specific
7973 options, and if -W is also specified on the command line then
7974 display undocumented options.
7976 * config/arm/arm.c: Updated with changes in devo sources.
7977 * config/arm/arm.h: Updated with changes in devo sources.
7978 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
7979 * config/arm/lib1thumb.asm: Add ELF support.
7981 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@gnu.org>
7983 * collect2.c (aix64_flag): New variable.
7984 (main, case 'b'): Parse it.
7985 (GCC_CHECK_HDR): object magic number must match mode.
7986 (scan_prog_file): Only check for shared object if valid header.
7987 Print debugging if header/mode mismatch.
7989 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
7991 Added support for arm-elf-linux configuration, submitted by Philip
7992 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
7993 code developed by Catherine Moore <clm@cygnus.com>. The following
7996 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
7999 * configure: Regenerated.
8001 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
8002 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
8003 definitions conditional on their not having been already defined.
8005 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
8006 and .type directives, and add "(PLT)" qualification to function
8009 * config/arm/linux.h: Deleted. This file is now superceeded by
8010 either linux-elf.h or linux-aout.h.
8012 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
8013 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
8015 Move definitions from old linux.h file here.
8017 * config/arm/elf.h: New file. Generic ARM/ELF support.
8019 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
8021 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
8023 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
8024 using the 26bit APCS.
8026 * config/arm/unknown-elf.h: New file. Support for OS'es other
8027 than Linux with ELF.
8029 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
8032 * config/arm/coff.h: Include aout.h for basic assembler macros.
8033 Add support for -mstructure_size_boundary=<n> command line option.
8035 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
8036 command line option. Make macro definitions conditional on their
8037 not having been already defined.
8039 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
8040 command line option.
8043 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
8045 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
8046 has been changed to not include a newline. Use this macro instead.
8047 (output_enumeral_list, const_value_attribute, name_attribute,
8048 comp_dir_attribute, prototyped_attribute, producer_attribute,
8049 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
8050 dwarfout_file_scope_decl, generate_new_sfname_entry,
8051 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
8052 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
8054 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
8056 * combine.c (subst): Process the inputs to a parallel asm_operands
8059 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
8061 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
8063 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
8065 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
8067 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
8069 * version.c: Bump for snapshot.
8071 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
8073 * stmt.c (expand_fixup): Set fixup->before_jump to a
8074 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
8076 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8078 * Makefile.in (recog.o): Depend on toplev.h.
8079 (insn-emit.o): Depend on recog.h.
8080 (insn-peep.o): Depend on recog.h and insn-config.h.
8082 * combine.c (simplify_set): Remove unused variable `scratches'.
8084 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
8085 and `idx' in macro conditional controlling their use.
8087 * genemit.c (main): Make the generated output file include
8088 recog.h. Don't have it declare `insn_operand_constraint', since
8089 we get it from recog.h.
8091 * genpeep.c (main): Make the generated output file include
8092 insn-config.h and recog.h.
8094 * recog.c: Include toplev.h.
8095 (extract_insn): Remove unused variable `p'.
8097 * regclass.c (fix_register): Add missing braces around initializer
8099 (allocate_reg_info): Move variable `i' into the scope where it is
8100 used. Change its type to `size_t'.
8102 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8104 * reload.c (push_reload): When merging reloads, make sure
8105 that reload_in_reg and reload_in are from the same reload in
8108 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
8110 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
8111 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
8113 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@gnu.org>
8115 * loop.c (loop_has_tablejump): New variable.
8116 (prescan_loop): Scan for it.
8117 (insert_bct): Replace explicit scan with use of it.
8118 * regclass.c (regclass): Restore loop variable j.
8119 (record_reg_classes): Deterine op_types modifiers and initialize
8120 classes[i] before matching constraints. Handle matching
8123 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
8125 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
8128 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8130 * mips.h (EXTRA_SPECS): Add missing initializers.
8132 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8134 * sparc.h (EXTRA_SPECS): Add missing initializers.
8135 (sparc_defer_case_vector): Provide a prototype.
8137 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
8138 comparing it to the result of a pointer subtraction.
8140 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8142 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
8143 the argument to (unsigned char).
8145 * alpha.h (EXTRA_SPECS): Add missing initializers.
8146 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
8149 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
8151 * flow.c (life_analysis_1): Enable "rescan" code after reload.
8152 (propagate_block): Delete dead code after reload.
8154 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
8155 back Oct 15, 1998 change.
8156 * haifa-sched.c (update_flow_info): Likewise.
8157 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
8159 * mn10200.md (truncated shift): Accept constant inputs too.
8161 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
8163 * machmode.h (mode_mask_array): No longer const.
8164 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
8166 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8168 * frame.c: Somewhat explain `FDE'.
8169 Suggested by Brendan Kehoe
8171 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
8173 * expr.c (pending_chain): Move up.
8174 (save_expr_status): Do save pending_chain.
8175 (restore_expr_status): And restore it.
8176 * function.h (struct function): Add pending_chain.
8178 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8180 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
8181 did not match the code.
8183 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8185 * regclass.c (regclass): Break out some code into new function
8186 scan_one_insn, and into regclass_init.
8187 (init_cost): New static variable, moved out of regclass.
8188 (regclass_init): Initialize it here, not in .
8189 (scan_one_insn): New static function, broken out of regclass.
8190 * recog.c (apply_change_group): Break out some code into new
8191 function insn_invalid_p.
8192 (insn_invalid_p): New static fn, broken out of apply_change_group.
8194 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
8196 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
8197 reg_reloaded_contents matches incremented pseudo.
8199 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
8201 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8203 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
8204 addressing modes with side effects. These are currently
8205 placeholders for the C4x target.
8207 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8209 * loop.c (express_from): Make sure that when generating a PLUS of
8210 a PLUS, any constant expression appears on the outermost PLUS.
8212 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
8214 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
8215 works if "$(srcdir)" != ".".
8217 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
8219 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
8220 existing SUBREG if we can, otherwise abort.
8222 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
8224 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
8225 `restrict' is applied to a non-pointer variable.
8227 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
8229 * invoke.texi: Document -flang-isoc9x.
8231 * Makefile.in (OBJS): Add splay-tree.o.
8232 (c-common.o): Depend on rtl.h.
8233 (splay-tree.o): List dependencies and provide build rule.
8235 * rtl.h (record_alias_subset): New function.
8236 * alias.c: Include splay-tree.h.
8237 (alias_set_entry): New type.
8238 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
8239 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
8240 (mems_in_disjoin_alias_sets_p): New function.
8241 (alias_set_compare): Likewise.
8242 (insert_subset_children): Likewise.
8243 (get_alias_set_entry): Likewise.
8245 * tree.h (TYPE_RESTRICT): New macro.
8246 (TYPE_UNQUALIFIED): New manifest constant.
8247 (TYPE_QUAL_CONST): Likewise
8248 (TYPE_QUAL_VOLATILE): Likewise.
8249 (TYPE_QUAL_RESTRICT): Likewise.
8250 (tree_type): Add restrict_flag. Reduce count of free bits.
8251 (DECL_POINTER_ALIAS_SET): New macro.
8252 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
8253 (tree_decl): Add pointer_alias_set.
8254 (build_qualified_type): New function.
8255 (build_type_variant): Define in terms of build_qualified_type.
8256 * tree.c (set_type_quals): New function.
8257 (make_node): Initializae DECL_POINTER_ALIAS_SET.
8258 (build_type_attribute_variant): Use build_qualified_type and
8260 (build_type_variant): Rename, and modify, to become...
8261 (build_qualified_type): New function.
8262 (build_complex_type): Use set_type_quals.
8264 * c-tree.h (C_TYPE_OBJECT_P): New macro.
8265 (C_TYPE_FUNCTION_P): Likewise.
8266 (C_TYPE_INCOMPLETE_P): Likewise.
8267 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
8268 (c_apply_type_quals_to_decl): New function.
8269 (c_build_qualified_type): New function.
8270 (c_build_type_variant): Define in terms of c_build_qualified_type.
8271 (flag_isoc9x): Declare.
8272 * c-typeck.c (qualify_type): Use c_build_qualified_type.
8273 (common_type): Change to use TYPE_QUALS.
8274 (comptypes): Likewise.
8275 (convert_for_assignment): Likewise.
8276 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
8277 * c-decl.c (flag_isoc9x): Define.
8278 (c_decode_option): Handle -flang-isoc9x.
8279 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
8280 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
8281 * c-lex.c (init_lex): Deal with restrict.
8282 (init_lex): Don't treat restrict as a reserved word in
8283 -traditional mode, or without -flang-isoc9x.
8284 * c-lex.h (rid): Add RID_RESTRICT.
8285 * c-parse.gperf (restrict, __restrict, __restrict__): Make
8286 equivalent to RID_RESTRICT.
8287 * c-parse.in (TYPE_QUAL): Update comment.
8288 * c-common.c: Include rtl.h.
8289 (c_find_base_decl): New function.
8290 (c_build_type_variant): Rename, and modify, to become ...
8291 (c_build_qualified_type): New function.
8292 (c_apply_type_quals_to_decl): Likewise.
8293 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
8294 a particular alias set for the reference.
8295 * toplev.c (documented_lang_options): Add -flang-isoc9x.
8297 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
8299 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
8300 command line switches.
8302 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
8304 * reload.c (loc_mentioned_in_p): Add missing braces to bind
8307 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
8309 * gcc.c (option_map): Added --classpath and --CLASSPATH.
8311 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
8313 * regclass.c (fix_register): Add error message.
8314 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
8317 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8319 * c-decl.c (warn_missing_noreturn): New global variable.
8320 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
8321 (finish_function): Implement missing noreturn warning.
8323 * c-tree.h (warn_missing_noreturn): Declare extern.
8325 * invoke.texi: Document new flags.
8327 * toplev.c (documented_lang_options): Add description.
8329 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8331 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
8332 loop optimization stable for the C4x.
8333 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
8334 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
8335 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
8337 (c4x_address_conflict): Be more paranoid when packing a volatile
8338 memref in a parallel load/store.
8340 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8342 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
8343 repeat_block_filler): Deleted.
8344 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
8345 Condition code not set if destination register from 'c' class.
8346 (*subbqi3_carry_clobber): Fix typo.
8348 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8350 * reorg.c (steal_delay_list_from_target) Check for insns that
8351 modify the condition codes and effect the direction of the jump
8354 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
8356 * function.c (purge_addressof_1): Replace call to
8357 emit_insns_before() with emit_insn_before().
8359 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
8361 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
8363 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8365 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
8367 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
8369 * gcse.c (compute_hash_table): Correctly identify hard regs which are
8370 clobbered across calls.
8372 * loop.c (scan_loop): Be more selective about what invariants are
8373 moved out of a loop.
8375 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
8377 * version.c: Bump for snapshot.
8379 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
8381 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
8382 static eh_context structure.
8384 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8386 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
8388 (try_combine): Don't update max_scratch.
8389 * flow.c (max_scratch, num_scratch): Delete variables.
8390 (life_analysis_1): Don't initialize max_scratch.
8391 (propagate_block): Don't update max_scratch.
8392 (mark_set_1): Don't increment num_scratch.
8393 * regs.h (max_scratch): Delete declaration.
8395 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
8397 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
8398 is nonzero. This is temporary!
8400 * sched.c (update_flow_info): Handle death notes made invalid by
8401 instruction splitting. Partially reverts Oct 15, 1998 patch.
8402 * haifa-sched.c (update_flow_info): Likewise.
8404 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
8406 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
8407 if it has a nonzero DECL_INITIAL.
8409 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8411 * Makefile.in (flow.o): Depend on recog.h.
8413 * cpplib.h (directive_table): Add missing initializiers.
8414 (finclude): Change type of variable `bsize' to size_t.
8416 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
8418 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
8420 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
8421 `int' when comparing against one.
8422 (cpp_file_line_for_message): Mark parameter `pfile' with
8424 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
8426 * flow.c: Include recog.h.
8427 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
8429 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
8430 `f' with ATTRIBUTE_UNUSED.
8431 (reposition_prologue_and_epilogue_notes): Likewise.
8433 * genopinit.c (gen_insn): Cast argument of ctype functions to
8436 * haifa-sched.c: Include recog.h.
8437 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
8438 comparing against one.
8440 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
8442 * mips-tfile.c (parse_end): Cast the argument of ctype function to
8444 (parse_ent): Likewise.
8445 (parse_input): Likewise.
8447 * optabs.c (init_libfuncs): Likewise.
8449 * protoize.c (find_rightmost_formals_list): Likewise.
8451 * recog.h (const_double_operand): Fix typo in prototype.
8453 * tlink.c (scan_linker_output): Cast the argument of ctype
8454 function to `unsigned char'.
8456 * toplev.c (check_lang_option): Cast the result of `strlen' to
8457 `int' when comparing against one.
8459 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
8461 * gcse.c (dump_cuid_table): Correct typo.
8463 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
8465 * toplev.c (display_help): Prepend '-m' to target specific
8467 (check_lang_option): Ignore text after end of first word of a
8468 language specific option.
8470 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8472 * reload1.c (reg_used_by_pseudo): New static variable.
8473 (choose_reload_regs): Initialize it.
8474 Use it instead of testing spill_reg_order to determine whether a
8475 pseudo is live in a hard register across the current insn.
8476 Fix a typo in a reference to reload_reg_rtx.
8478 * flow.c (propagate_block): Replace code that computes and uses
8479 regs_sometimes_live with simpler code that just walks the set of
8480 currently live registers.
8482 * Makefile.in (insn-extract.o): Fix dependencies.
8483 * genextract.c (main): Generate includes for insn-config.h and
8485 Delete generation of declarations which are now in recog.h.
8486 * genrecog.c (main): Delete generation of definitions which are
8488 * local-alloc.c (block_alloc): Use extract_insn and the variables
8489 it sets up instead of looking up values by insn_code.
8490 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
8491 recog_dup_num): Define here instead of generating the definition in
8493 (recog_n_operands, recog_n_dups, recog_n_alternatives,
8494 recog_operand_mode, recog_constraints, recog_operand_address_p):
8496 (extract_insn): New function.
8497 * recog.h (extract_insn): Declare function.
8498 (which_alternative, recog_n_operands, recog_n_dups,
8499 recog_n_alternatives, recog_operand_mode, recog_constraints,
8500 recog_operand_address_p): Declare variables.
8501 * regclass.c (n_occurrences): New static function.
8502 * reload.c (n_occurrences): Delete function.
8503 (find_reloads): Use extract_insn.
8504 * reload.h (n_occurrences): Delete declaration.
8506 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
8508 * reload1.c (reload_as_needed): Fix test for when to call
8509 update_eliminable_offsets.
8511 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8513 Fix consistency problems with reg_equiv_{mem,address};
8514 Improve reload inheritance;
8516 * reload.c (reload_out_reg): New variable.
8517 (loc_mentioned_in_p, remove_address_replacements): New functions.
8518 (remove_replacements): Deleted.
8519 (push_reload): Set reload_out_reg[i].
8520 When merging, also set reload_{in,out}_reg[i], and remove
8521 duplicate address reloads.
8522 (combine_reloads): Copy reload_out_reg[i].
8523 (find_reloads): Do make_memloc substitution also when
8524 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
8526 Include *recog_operand_loc in commutativity operand changes.
8527 Generate optional output reloads.
8528 Delete reference to n_memlocs. Don't set *recog_operand_loc before
8529 processing operands. Call make_memloc in reg_equiv_address code.
8530 Set *recog_operand_loc only after processing operands, and only
8531 if replace is true. Return a value.
8532 When changing address reload types for operands that didn't get
8533 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
8534 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
8535 Don't emit USEs for pseudo SUBREGs when not replacing.
8536 (find_reloads_address): Do make_memloc substitution also when
8537 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
8539 (find_reloads_toplev): Likewise.
8540 Call make_memloc in reg_equiv_address code.
8541 (debug_reload_to_stream): Add code to output reload_out_reg.
8542 (make_memloc): Delete local variable i, ifdefed out code, and
8543 references to memlocs and n_memlocs.
8544 (memlocs, n_memlocs): Delete.
8545 (push_secondary_reload): Clear reload_out_reg.
8546 (find_reloads_address_1): Provide memrefloc argument to all calls
8547 to find_reloads_address.
8548 In AUTO_INC code, handle non-directly addressable equivalences properly.
8549 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
8550 (find_reloads): Add return type.
8551 (remove_address_replacements, deallocate_reload_reg): Declare.
8552 * reload1.c (num_not_at_initial_offset): No longer static.
8553 (delete_address_reloads, delete_address_reloads_1): Likewise.
8554 (deallocate_reload_reg): New function.
8555 (spill_reg_stored_to): New array.
8556 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
8557 (eliminate_regs_in_insn): Move assignments of previous_offset and
8558 max_offset fields, and recalculation of num_not_at_initial_offset
8559 into new static function:
8560 (update_eliminable_offsets) .
8561 (reload_as_needed): Call update_eliminable_offsetss after calling
8563 Call forget_old_reloads_1 with contents of reloaded auto_inc
8564 expressions if the actual addressing can't be changed to match the
8566 (choose_reload_regs): For inheritance, replace
8567 reload_reg_free_before_p test with reload_reg_used_at_all test, and
8568 remove stand-alone reload_reg_used_at_all test.
8569 Use reload_out_reg to determine which reload regs have output reloads.
8570 Treat reload_override_in more similar to inherited reloads.
8571 Handle (subreg (reg... for inheritance.
8572 For flag_expensive_optimizations, add an extra pass to remove
8573 unnecessary reloads from known working inheritance.
8574 Delete obsolete code for pseudos replaced with MEMs.
8575 Handle inheritance from auto_inc expressions.
8576 (emit_reload_insns): If reload_in is a MEM, set OLD to
8578 Don't reload directly from oldequiv; if it's a pseudo with a
8579 stack slot, use reload_in[j].
8580 Check that reload_in_reg[j] is a MEM before replacing reload_in
8581 from reg_reloaded_contents.
8582 Include non-spill registers in reload inheritance processing.
8583 Also try to use reload_out_reg to set spill_reg_store /
8584 reg_last_reload_reg.
8585 In code to set new_spill_reg_store, use single_set to find out if
8586 there is a single set.
8587 Add code that allows to delete optional output reloads.
8588 Add code to allow deletion of output reloads that use no spill reg.
8589 At the end, set reload_override_in to oldequiv.
8590 Also call delete_output_reload if reload_out_reg is equal to old
8592 Add code to call delete_output_reload for stores with no matching load.
8593 Set / use spill_reg_stored_to.
8594 Handle case where secondary output reload uses a temporary, but
8595 actual store isn't found.
8596 When looking for a store of a value not loaded in order to call
8597 delete_output_reload, count_occurences should return 0 for no
8598 loads; but discount inherited input reloadill_reg_stored_to.
8599 Do checks for extra uses of REG. Changed all
8601 Use delete_address_reloads.
8602 (reload): Take return value of find_reloads into account.
8603 If a no-op set needs more than one reload, delete it.
8604 (reload_reg_free_before_p): RELOAD_FOR_INPUT
8605 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
8606 for the same operand.
8607 (clear_reload_reg_in_use): Check for other reloads that keep a
8609 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
8610 RELOAD_FOR_OPADDR_ADDR.
8611 Take into account when an address address reload is only needed
8612 for the address reload we are considering.
8613 (count_occurrences): Use rtx_equal_p for MEMs.
8614 (inc_for_reload): Return instruction that stores into RELOADREG.
8615 New argument two, IN, and rtx. Changed all callers.
8616 (calculate_needs_all_insns, reload_as_needed):
8617 Don't clear after_call for a CLOBBER.
8618 Keep track of how many hard registers need to be copied from
8619 after_call, and don't clear after_call before we have seen
8620 that much copies, or we see a different instruction.
8622 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
8624 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
8625 after reload has completed.
8627 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
8629 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
8630 a macro name and the next token with a single blank if that whitespace
8631 is in a macro buffer and the next token is not '('.
8633 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
8635 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
8637 (skip_if_group): Ditto.
8638 (skip_to_end_of_comment): Ditto.
8640 (discard_comments): Ditto.
8641 (change_newlines): Ditto.
8643 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
8645 * c-lex.c (yylex): Fix unaligned access of wchar_t.
8647 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
8649 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
8650 (TARGET_OPTIONS): Add --help documentation.
8652 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8654 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
8656 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
8658 * fixinc/* Moved in from ../contrib directory in preparation
8659 for integrating it into the normal build process. In particular,
8660 fixinc/Makefile.in must be config-ed into the build directory
8661 as fixinc/Makefile. Proposed patches to ./Makefile.in and
8662 ./configure.in will be "in the mail" momentarily.
8664 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
8666 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
8667 accidently walk into the free list. Comment how that can happen.
8668 (invalidate): Fix indentation.
8670 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8671 Jeffrey A Law (law@cygnus.com)
8673 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
8674 reload. Never perform rescans of the insn chain after reload.
8675 (propagate_block): Do not delete insn or create new autoinc addressing
8678 * jump.c (jump_optimize): Unconditionally use the code that was
8679 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
8680 * reload1.c (reload): When reloading is finished, delete all
8681 REG_DEAD and REG_UNUSED notes.
8682 (emit_reload_insns): Delete all code that was conditional on
8683 PRESERVE_DEATH_INFO_REGNO_P.
8684 (no_longer_dead_regs): Delete variable.
8685 (reload_cse_delete_death_notes): Delete function.
8686 (reload_cse_no_longer_dead): Delete function.
8687 (reload_cse_regs_1): Delete all code to handle deletion of death
8689 (reload_cse_noop_set_p): Likewise.
8690 (reload_cse_simplify_set): Likewise.
8691 (reload_cse_simplify_operands): Likewise.
8692 (reload_cse_move2add): Likewise.
8693 * reorg.c (used_spill_regs): Delete declaration.
8694 (max_label_num_after_reload): Delete declaration.
8695 (find_dead_or_set_registers): Don't assume that spill regs are
8696 dead at a CODE_LABEL.
8697 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
8699 * sched.c (sched_analyze_insn): Likewise.
8700 (update_flow_info): Likewise.
8701 * haifa-sched.c (sched_analyze_insn): Likewise.
8702 (update_flow_info): Likewise.
8703 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
8704 * toplev.c (max_label_num_after_reload): Delete variable.
8705 (rest_of_compilation): Don't set max_label_num_after_reload.
8706 Call life_analysis after reload_cse_regs if optimizing.
8707 * config/gmicro/gmicro.h: Delete comment referring to
8708 PRESERVE_DEATH_INFO_REGNO_P.
8709 * config/i386/i386.h: Likewise.
8710 * config/m88k/m88k.h: Likewise.
8711 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
8712 * config/sh/sh.h: Likewise.
8714 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@gnu.org>
8716 * loop.c (strength_reduce): Restore marking bct_p as
8718 * rs6000.c (optimization_options): Change #ifdef HAIFA to
8719 HAVE_decrement_and_branch_on_count.
8720 (small_data_operand): Remove TARGET_ELF condition for marking
8721 parameters ATTRIBUTE_UNUSED.
8723 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
8725 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
8726 (SELECT_SECTION): Resync with svr4.h.
8728 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@gnu.org>
8730 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
8733 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
8735 * c-pragma.c (handle_pragma_token): Test for null tree before
8736 dereferencing TREE_CODE.
8738 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8740 * config/c4x/c4x.c: Convert to use GEN_INT.
8741 (c4x_parallel_process): Rework to handle new repeat loop structure.
8743 * config/c4x/c4x.md: Convert to use GEN_INT.
8744 (rptb_end): Convert to use GE test. Replace uses with clobbers.
8745 (decrement_and_branch_on_count): Likewise.
8747 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
8748 loop.c has the desired functionality.
8749 (rc_reg_operand): New prototype.
8751 * config/c4x/t-c4x: Can now build all front ends.
8753 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
8755 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
8757 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
8759 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
8760 * config/t-rtems: Do not install assert.h -- use newlib's.
8762 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8764 * combine.c (combine_instructions): When finished, call init_recog.
8765 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
8767 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
8769 * toplev.c: If flag_syntax_only, don't open or write assembler file.
8771 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8773 * cppalloc.c (memory_full): Mark function prototype with
8776 * demangle.h (collect_exit): Likewise.
8778 * fix-header.c (v_fatal, fatal): Likewise.
8780 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
8783 * gcov.c (print_usage): Likewise.
8785 * genattr.c (fatal, fancy_abort): Likewise.
8787 * genattrtab.c (fatal, fancy_abort): Likewise.
8789 * gencodes.c (fatal, fancy_abort): Likewise.
8791 * genconfig.c (fatal, fancy_abort): Likewise.
8793 * genemit.c (fatal, fancy_abort): Likewise.
8795 * genextract.c (fatal, fancy_abort): Likewise.
8797 * genflags.c (fatal, fancy_abort): Likewise.
8799 * genopinit.c (fatal, fancy_abort): Likewise.
8801 * genoutput.c (fatal, fancy_abort): Likewise.
8803 * genpeep.c (fatal, fancy_abort): Likewise.
8805 * genrecog.c (fatal, fancy_abort): Likewise.
8807 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
8808 __sjpopnthrow, __throw): Likewise.
8810 * objc/objc-act.c (objc_fatal): Likewise.
8812 * protoize.c (usage, aux_info_corrupted,
8813 declare_source_confusing): Likewise.
8815 * rtl.c (dump_and_abort): Likewise.
8817 * rtl.h (sets_cc0_p): Likewise.
8819 * toplev.c (float_signal, pipe_closed): Likewise.
8821 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
8823 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
8824 when generating the decision tree for the general case.
8826 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
8827 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
8829 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8831 * Makefile.in (sched.o): Depend on recog.h.
8833 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
8834 (unsigned) when comparing against one.
8835 (find_base_value): Likewise.
8836 (record_base_value): Cast variable `regno' to (unsigned) when
8837 comparing against one. Cast the result of REGNO() macro to
8838 (unsigned) when comparing against one.
8839 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
8841 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
8842 variable where an unsigned index is needed.
8844 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
8845 before comparing against one.
8847 * collect2.c: Add prototypes for functions `error', `fatal' and
8848 `fatal_perror'. Make these functions take variable arguments
8849 instead of faking it with a fixed number of args.
8850 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
8853 * combine.c (can_combine_p): Mark parameter `pred' with
8855 (find_split_point): Cast variable `src' to (unsigned
8856 HOST_WIDE_INT) when comparing against one.
8857 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
8858 (simplify_logical): Likewise.
8859 (force_to_mode): Cast result of INTVAL() macro to (unsigned
8860 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
8861 HOST_WIDE_INT) in shift.
8862 (simplify_and_const_int): Cast result of INTVAL() macro to
8863 `unsigned HOST_WIDE_INT' when comparing against one.
8864 (merge_outer_ops): Cast variable const0 to `unsigned
8865 HOST_WIDE_INT' when comparing against the result of
8866 GET_MODE_MASK() macro.
8867 (simplify_comparison): Likewise for variable `c0'. Cast variable
8868 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
8869 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
8870 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
8871 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
8872 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
8873 comparing against one.
8874 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
8876 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
8877 macro to `unsigned HOST_WIDE_INT' when comparing against one.
8878 (output_block_move): Cast `sizeof' expression to (int) when
8879 comparing against one.
8880 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
8882 (save_restore_insns): Cast `base_offset' to `long' to match format
8883 specifier in fprintf.
8885 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
8886 to `enum machine_mode'.
8888 * flow.c (life_analysis_1): Remove unused variable `insn'.
8890 * gcc.c (translate_options): Move variables `j' and `k' into the
8891 scope in which they are used. Change their types to `size_t'.
8892 (set_spec): Cast the argument of ctype macro to `unsigned char'.
8893 (read_specs): Likewise.
8894 (process_command): Cast `sizeof' to (int) when comparing against one.
8895 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
8896 (handle_braces): Cast both sides of `==' expression to `long' to
8897 ensure sign matching.
8898 (main): Cast variable `i' to `int' when comparing against one.
8900 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
8901 int to size_t. Cast variable `i' to size_t when comparing against
8904 * genattrtab.c (convert_set_attr_alternative): Remove unused
8905 parameter `insn_code'. All callers changed.
8906 (convert_set_attr): Likewise.
8908 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
8909 size_t when comparing against one. Likewise for variable `len'.
8911 * global.c (global_alloc): Cast variable `max_regno' to size_t
8912 when comparing against one. Likewise for variable `max_allocno'.
8914 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
8916 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
8917 `set' with ATTRIBUTE_UNUSED.
8918 (find_free_reg): Cast `sizeof' expression to (int) when comparing
8921 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
8922 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
8923 (get_condition): Cast variable `const_val' to `unsigned
8924 HOST_WIDE_INT' when comparing against one. Cast unsigned
8925 expression to HOST_WIDE_INT when comparing against one.
8926 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
8927 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
8928 `unsigned' when comparing against one.
8930 * protoize.c (is_id_char): Change type of parameter `ch' to
8932 (munge_compile_params): Cast argument of ctype macro to (const
8934 (process_aux_info_file): Cast variable `aux_info_size' to int when
8935 comparing against one.
8936 (forward_to_next_token_char): Cast argument of ctype macro to
8937 `const unsigned char'.
8938 (edit_formals_lists): Likewise.
8939 (find_rightmost_formals_list): Likewise.
8940 (add_local_decl): Likewise.
8941 (add_global_decls): Likewise.
8942 (edit_fn_definition): Likewise.
8943 (do_cleaning): Likewise.
8944 (scan_for_missed_items): Likewise.
8945 (edit_file): Cast variable `orig_size' to (int) when comparing
8947 (main): Cast argument of ctype macro to `const unsigned char'.
8949 * recog.c (const_int_operand): Mark parameter `mode' with
8952 * regclass.c (record_reg_classes): Change type of variable `c' to
8953 `unsigned char'. Cast `char' array index to `unsigned char'.
8955 * reload.c (push_secondary_reload): Cast argument to
8956 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
8958 * reload1.c (calculate_needs): Cast `char' array index to
8960 (set_label_offsets): Change type of variable `i' to unsigned int.
8961 Cast result of XVECLEN() macro to unsigned when comparing against
8963 (mark_not_eliminable): Change type of variable `i' to unsigned.
8964 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
8965 when comparing against one.
8966 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
8967 comparing against one.
8968 (choose_reload_regs): Hide unused label `fail'.
8969 (reload_cse_simplify_operands): Cast `char' array index to
8971 (reload_combine_note_store): Mark parameter `set' with
8972 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
8974 (reload_cse_move2add): Remove unused variable `src2'.
8976 * sched.c: Include recog.h.
8977 (sched_note_set): Remove unused parameter `b'. All callers
8979 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
8980 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
8981 when comparing against one.
8983 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
8984 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
8985 comparing against one.
8987 * unroll.c (precondition_loop_p): Remove unused parameter
8988 `loop_end'. All callers changed.
8990 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8992 * reload1.c (maybe_fix_stack_asms): New static function.
8995 * reload.h (compute_use_by_pseudos): Declare.
8997 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
8998 (something_needs_reloads): Delete variable.
8999 (finish_spills): New function.
9000 (compute_use_by_pseudos): New function.
9002 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
9003 Use the reload_insn_chain instead of walking the rtl directly.
9005 (reload): Allocate and free spilled_pseudos.
9006 Ensure that all calls of spill_hard_reg are followed by a call to
9008 Use the insns_need_reload list instead of something_needs_reloads
9009 to find out if reload_as_needed must be called.
9010 Clear unused_insn_chains at the end.
9012 (calculate_needs_all_insns): Lose FIRST parameter. All callers
9014 Delete code to keep track of current basic block.
9015 Walk reload_insn_chain instead of the rtl structure. Build the
9016 insns_need_reload chain.
9017 Remember which insns need reloading/elimination by setting the
9018 appropriate fields in struct insn_chain, not by putting modes on the
9021 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
9022 arg INSN. All callers changed.
9023 Delete declaration of struct needs.
9024 Don't set something_needs_reloads.
9025 Record insn needs in the CHAIN argument.
9027 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
9029 (reload_as_needed): Lose FIRST arg. All callers changed.
9030 Walk the reload_insn_chain instead of the rtx structure.
9031 Delete code to keep track of current basic block.
9032 Rename one of the NEXT variables to OLD_NEXT.
9034 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
9036 (choose_reload_regs): Likewise.
9038 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
9041 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
9042 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
9043 (hard_regs_live, hard_regs_need_restore): Delete variables.
9044 (n_regs_saved): Now static.
9045 (referenced_regs, this_insn_sets): New variables.
9047 (setup_save_areas): Restructure the code a bit.
9049 (restore_referenced_regs): Delete function.
9050 (mark_referenced_regs): New function, similar to the old
9051 restore_referenced_regs, but mark registers in referenced_regs.
9053 (clear_reg_live): Delete function.
9054 (mark_set_regs): Renamed from set_reg_live. All callers changed.
9055 Only mark registers in this_insn_sets.
9057 (save_call_clobbered_regs): Rework this function to walk the
9058 reload_insn_chain instead of using the list of instructions directly.
9059 Delete code to keep track of register lives, compute live regs on the
9060 fly from information in the chain.
9061 Instead of calling restore_referenced_regs, use mark_referenced_regs,
9062 then walk the set it computes and call insert_restore as appropriate.
9064 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
9066 Restructure the code a bit. Test hard_regs_saved instead of
9067 hard_regs_need_restore.
9068 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
9069 args. All callers changed.
9070 Restructure the code a bit. Use TO_SAVE to determine which regs to
9071 save instead of more complicated test.
9072 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
9074 Create a new insn_chain structure for the new insn and place it
9077 * rtl.texi: Update documentation to reflect that reload no longer
9078 puts modes on the insns.
9080 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
9082 * function.c (purge_addressof_1): Force the first argument of a
9083 CALL insn to memory.
9085 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
9087 * rtl.h: Delete duplicate prototypes. Add some missing
9089 * rtlanal.c: (for_each_rtx): Formatting tweak.
9091 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9093 * real.c (emdnorm and etoasc): Disable round to even for c4x target
9094 to be compatible with TI compiler.
9096 * Makefile.in (USER_H): Add va-c4x.h to definition.
9098 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
9100 * function.c (purge_addressof_1): Fix typo in inequality: do
9101 bitfield optimization for equal mode sizes.
9102 * expmed.c (store_bit_field): Don't take subregs of subregs in
9103 the movstrict case. Tidy a potential problem in the multi-word case.
9104 (extract_bit_field): Likewise.
9106 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
9108 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
9110 Compute max_uid_for_flow by calling get_max_uid after the scan.
9111 (find_basic_blocks_1): Don't emit NOPs here.
9113 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
9115 * alias.c (base_alias_check): Accept new args for the modes of the
9116 two references. Use them to determine if an AND can overlap. Update
9118 (memrefs_conflict_p): Assume sizes are aligned, and uses them
9119 to determine if an AND can overlap.
9121 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
9123 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
9124 check. Add comment to document problems with TARGET_SUN_FPA version
9126 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
9128 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9130 * Makefile.in (gencheck.o): Depend on gansidecl.h.
9132 * c-common.c (print_char_table): Add missing initializers.
9133 (scan_char_table): Likewise.
9134 (time_char_table): Likewise.
9136 * c-decl.c (c_decode_option): Mark parameter `argc' with
9138 (declare_parm_level): Mark parameter `definition_flag' with
9141 * c-lex.c (readescape): Use `(unsigned)1' in shift.
9142 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
9145 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
9147 (emit_call_1): Mark parameters `fndecl' and `funtype' with
9149 (expand_call): Cast result of MIN() to (unsigned int) when
9150 comparing against an unsigned value.
9152 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
9154 (make_definition): Remove unused parameter `op'. All callers
9156 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
9157 comparing against the result of pointer arithmetic.
9159 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
9160 when comparing against one.
9162 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
9163 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
9165 (output_die): Move variable `i' into the scope in which it is
9166 used. Change its type to `unsigned'.
9167 (output_die): Cast the result of `strlen' to (int) when passing it
9168 to ASM_OUTPUT_ASCII().
9169 (output_pubnames): Likewise.
9170 (output_line_info): Likewise.
9172 * emit-rtl.c (global_rtl): Add missing initializers.
9174 * explow.c (promote_mode): Mark parameter `for_call' with
9177 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
9178 `unsigned HOST_WIDE_INT' when comparing against one.
9179 (synth_mult): Change type of variable `cost' to int.
9180 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
9182 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
9183 when comparing against one.
9184 (get_inner_reference): Change variable `alignment' to unsigned.
9185 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
9186 int) when comparing against one.
9187 (expand_builtin_setjmp): Change type of variable `i' to size_t.
9189 * fold-const.c (div_and_round_double): Cast BASE to
9190 (HOST_WIDE_INT) when comparing against one.
9192 * gencheck.c: Include gansidecl.h.
9193 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
9195 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
9196 `tcode' with ATTRIBUTE_UNUSED.
9198 * real.c (edivm): Cast constant value to (unsigned long) in
9199 expression compared against an unsigned value.
9201 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
9202 comparing against one.
9203 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
9204 when comparing against one.
9206 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
9207 (unsigned int) when comparing against one. Likewise for
9209 (smallest_mode_for_size): Likewise.
9210 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
9211 (restore_storage_status): Likewise.
9213 * toplev.c (debug_args): Add missing initializer.
9214 (f_options): Spelling correction. Add missing initializers.
9215 (documented_lang_options): Likewise.
9216 (debug_end_source_file): Mark parameter `lineno' with
9219 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
9220 `decl' and `type' with ATTRIBUTE_UNUSED.
9222 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
9223 when comparing against one.
9224 (assemble_variable): Mark parameter `top_level' with
9226 (assemble_external_libcall): Mark parameter `fun' with
9228 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
9231 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
9233 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
9234 Replace use of r5 with use of r19.
9236 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
9238 * config/v850/v850.c (compute_register_save_size): Allow for the
9239 fact that helper functions save all registers, not just those used
9242 Replace constant 31 with macro LINK_POINTER_REGNUM.
9244 * config/v850/v850.md: Use 'indirect_operand' rather than
9245 'memory_operand' for bit test/set/clear patterns.
9247 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
9249 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
9250 * varasm.c (assemble_start_function et al): Don't call
9251 ASM_GLOBALIZE_LABEL for weak symbols.
9253 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
9255 * cse.c (equiv_constant): Check for NULL return from
9256 gen_lowpart_if_possible().
9258 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
9260 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
9262 * collect2.c (main): Pass -EL/-EB through to the compiler.
9264 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9266 * expr.c (push_block): Handle targets where the stack grows
9267 to higher addresses, but args grow to lower addresses and
9268 ACCUMULATE_OUTGOING_ARGS is not defined.
9270 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
9272 * config/v850/v850.c (print_operand): Extend meaning
9273 of 'c' operands to support .vtinherit.
9275 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9277 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
9278 Added ATTRIBUTE_UNUSED to unused function arguments.
9279 (rc_reg_operand): New predicate.
9280 (c4x_rptb_insert): New function.
9281 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
9282 (c4x_optimization_options): New function.
9284 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
9285 (decrement_and_branch_on_count): New pattern.
9286 (rptb_top): Modified pattern to work with BCT optimization.
9288 * config/c4x/c4x.h (RC_REG): New register class.
9289 (rc_reg_operand): Define prototype.
9290 (IS_RC_REG): New macro.
9291 (IS_RC_OR_PSEUDO_REG): New macro.
9292 (IS_RC_OR_PSEUDO_REGNO): New macro.
9293 (OPTIMIZATION_OPTIONS): Define.
9295 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
9297 * collect2.c (extract_init_priority): No priority is 65535.
9299 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
9301 * Makefile.in (build_tooldir): new variable, same as old
9302 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
9303 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
9304 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
9306 * configure.in (gxx_include_dir): set default based on unlibsubdir
9307 * Makefile.in (tooldir): ditto
9308 (cccp.o, cpplib.o): use unlibsubdir implicitly through
9309 gxx_include_dir, includedir and tooldir
9310 (protoize.o, unprotoize.o): ditto
9312 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
9314 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
9316 * config/arm/thumb.c (thumb_override_options): Add warning about
9317 PIC code not being supported just yet.
9319 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
9321 * flow.c: Update comment.
9322 (notice_stack_pointer_modification): New static function.
9323 (record_volatile_insns): Use it.
9324 (mark_regs_live_at_end): Mark the stack pointer as alive
9325 at the end of the function if current_function_sp_is_unchanging
9327 (life_analysis_1): Set current_function_sp_is_unchanging.
9328 * function.c: Define it.
9329 (init_function_start): Initialize it.
9330 * output.h: Declare it.
9331 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
9332 the stack pointer as alive at the end of the function if
9333 current_function_sp_is_unchanging is set.
9334 * i386.c (ix86_epilogue): Optimize the restoring
9335 of the stack pointer.
9337 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
9339 * version.c: Bump for snapshot.
9341 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
9343 * c-pragma.c (handle_pragma_token): If passed a token instead
9344 of a tree, use that as the pack value.
9346 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
9348 * flow.c (find_basic_blocks_1): Fix prototype.
9350 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
9352 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
9353 (struct tree_decl): New fields no_check_memory_usage.
9354 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
9355 (init_attributes): Register it as a new attribute.
9356 (decl_attributes): Set flags on functions given that attribute.
9357 * c-decl.c (duplicate_decls): Merge new attribute.
9358 * expr.h (current_function_check_memory_usage): Declare new var.
9359 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
9360 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
9361 current_function_check_memory_usage.
9362 * function.h: Add field to struct function.
9363 * function.c (current_function_check_memory_usage): Define it.
9364 (push_function_context_to, pop_function_context_from): Save and
9366 (expand_function_start): Set it, based on global flag and function
9369 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
9370 check non-automatic variables, to permit detection of writes to
9371 read-only locations in embedded systems without memory management.
9372 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
9373 when emitting chkr_set_right_libfunc call, even if the argument is
9374 BLKmode or variable-sized; don't abort.
9376 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
9377 symbols in Pmode, not VOIDmode.
9379 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
9381 * cppexp.c: When forcing unsigned comparisons, cast both sides
9384 * cpphash.h: Move static declaration of hashtab[]...
9385 * cpphash.c: ...here.
9387 * cpplib.c: Cast difference of two pointers to size_t before
9388 comparing it to size_t. Cast signed to unsigned
9389 before comparing to size_t. (FIXME: struct argdata should use
9390 unsigned buffer sizes.)
9391 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
9392 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
9393 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
9394 size_t before comparison.
9396 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
9398 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
9399 (find_basic_blocks_1): Similarly.
9400 * output.h (find_basic_blocks): Fix prototype.
9401 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
9402 find_basic_blocks anymore.
9404 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
9406 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
9407 (sbitmap_free, sbitmap_vector_free): New macros.
9408 * output.h (rtl_dump_file): Declare.
9410 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
9412 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
9414 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9416 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
9418 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
9419 (divide): Remove unused variable `tmp'.
9420 (si_to_float): Cast numeric constant to (SItype) before comparing
9423 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
9425 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
9426 * gcc.c (add_preprocessor_option): Correct typo when allocating
9427 memory, sizeof() argument had one too many `*'.
9428 (add_assembler_option): Likewise.
9429 (add_linker_option): Likewise.
9430 * gcov.c (output_data): Likewise.
9431 * local-alloc.c (memref_used_between_p): Likewise.
9432 (update_equiv_regs): Likewise.
9433 * loop.c (strength_reduce): Likewise.
9434 * reg-stack.c (record_asm_reg_life): Likewise.
9435 (subst_asm_stack_reg): Likewise.
9436 * reorg.c (dbr_schedule): Likewise.
9438 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9440 * flow.c (life_analysis_1): Break out some functions.
9441 (find_basic_blocks_1): Likewise. Also move some variables out and
9443 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
9444 new static var nonlocal_label_list with it.
9445 (active_eh_region, nested_eh_region, label_value_list,
9446 nonlocal_label_list): New static variables.
9447 (make_edges, delete_unreachable_blocks, delete_block): New static
9448 functions, broken out of find_basic_blocks_1.
9449 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
9450 noop_move_p): New static functions, broken out of life_analysis_1.
9452 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
9454 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
9455 Take extra care for op0 now possibly being a subreg.
9456 (extract_bit_field): Likewise.
9457 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
9458 the reg to memory if there is no equal sized integral mode.
9459 * stor-layout.c (int_mode_for_mode): New function.
9460 * machmode.h: Prototype it.
9462 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
9464 * global.c (build_insn_chain): Verify no real insns exist past the
9465 end of the last basic block, then exit the loop.
9467 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@gnu.org>
9469 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
9471 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
9473 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
9475 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@gnu.org>
9477 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
9479 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
9481 * flow.c (find_basic_blocks): Correctly determine when a call
9482 is within an exception region.
9484 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
9486 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
9488 * cpplib.h: Protect from multiple inclusions.
9489 * cpplib.c: Fix minor formatting problems.
9491 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
9493 * jump.c (jump_optimize): Revert accidental patch.
9495 * Makefile.in (cpplib.o): Use unlibsubdir.
9497 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
9499 * loop.c (get_condition): Allow combine when either compare is
9502 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
9504 * version.c: Bump for snapshot.
9506 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
9508 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
9509 (init_lex): Initialize ridpointers[RID_BYREF].
9510 * c-lex.h (enum rid): Add RID_BYREF.
9511 * c-parse.gperf: Add RID_BYREF as a type qualifier.
9512 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
9513 (encode_type_qualifiers): Similarly
9514 * c-gperf.h: Rebuilt.
9516 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
9518 * c-common.c (type_for_mode): Only return TItype nodes when
9519 HOST_BITS_PER_WIDE_INT is >= 64 bits.
9520 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
9521 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
9522 (init_decl_processing): Only create TItype nodes when
9523 HOST_BITS_PER_WIDE_INT is >= 64 bits.
9524 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
9525 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
9527 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9529 * stmt.c (n_occurrences): New static function.
9530 (expand_asm_operands): Verify that all constrains match in the
9531 number of alternatives.
9532 Verify that '+' or '=' are at the beginning of an output constraint.
9533 Don't allow '&' for input operands.
9534 Verify that '%' isn't written for the last operand.
9535 * reload.c (find_reloads): Abort if an asm is found with invalid
9536 constraints; all possible problems ought to be checked for earlier.
9538 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9540 * flags.h (flag_branch_on_count_reg): Always declare
9541 * toplev.c (flag_branch_on_count_reg): Likewise.
9542 * toplev.c: Fix typos.
9544 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
9547 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
9549 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
9551 (find_basic_blocks_1): Add a nop to the end of a basic block when
9552 a trailing call insn does not have abnormal control flow.
9553 * gcse.c (pre_transpout): New variable.
9554 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
9555 (compute_pre_transpout): Calculate it.
9556 (compute_pre_ppinout): Use it to eliminate impossible placements
9557 due to abnormal control flow through calls.
9558 (compute_pre_data): Call compute_pre_transpout.
9560 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9562 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
9564 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
9566 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
9567 and matching define_insns): Tack on a `use' of the table label, so
9568 flow analysis will recognize a tablejump.
9570 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
9572 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
9573 always end basic blocks for abnormal edge reasons.
9575 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
9577 * config/i386/i386.h: Remove definition of
9578 HANDLE_PRAGMA_PACK_PUSH_POP.
9580 * config/i386/go32.h: Add definition of
9581 HANDLE_PRAGMA_PACK_PUSH_POP.
9583 * config/i386/win32.h: Add definition of
9584 HANDLE_PRAGMA_PACK_PUSH_POP.
9586 * config/i386/cygwin32.h: Add definition of
9587 HANDLE_PRAGMA_PACK_PUSH_POP.
9589 * c-pragma.c (insert_pack_attributes): Do not insert
9590 attributes unless #pragma pack(push,<n>) is in effect.
9592 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
9594 * expr.c (emit_group_store): Handle a PARALLEL destination.
9596 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
9598 * gcse.c (pre_insert_insn): When a call ends a bb, insert
9599 the new insns before the argument regs are loaded.
9601 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9603 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
9604 (c-parse.gperf): Update comments describing invocation flags.
9605 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
9607 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
9609 * reload1.c (reload): Call free before clobbering the memory
9610 locations or constants pointers.
9612 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9614 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
9615 for efficiency by checking whether we need to modify the current
9616 stack permission at all.
9617 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
9618 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
9619 __enable_execute_stack libcall here too if
9620 TRANSFER_FROM_TRAMPOLINE is defined.
9621 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
9624 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
9626 * Makefile.in (DRIVER_DEFINES): Remove last change.
9628 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9630 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
9631 insns we're going to copy.
9632 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
9634 * loop.c (count_one_set): Add prototype.
9636 * caller-save.c (restore_referenced_regs): Lose mode argument.
9637 (insert_save): Lose mode argument.
9638 (insert_restore): Lose mode argument.
9639 (insert_one_insn): Lose mode argument.
9640 (save_call_clobbered_regs): Lose mode argument.
9641 (setup_save_areas): Take no argument and return void. All callers
9643 Don't verify validity of memory addresses.
9644 * reload.h (setup_save_ares): Adjust prototype.
9645 (save_call_clobbered_regs): Likewise.
9646 * reload1.c (delete_caller_save_insns): New function.
9647 (caller_save_spill_class): Delete variable.
9648 (caller_save_group_size): Delete variable.
9649 (reload): Call setup_save_areas and save_call_clobbered_regs
9650 in the main loop, before calling calculate_needs_all_insns.
9651 Don't call save_call_clobbered_regs after the loop.
9652 Call delete_caller_save_insns at the end of an iteration if
9654 Delete code to manage caller_save_spill_class.
9655 Emit the final note before setting reload_first_uid.
9656 Simplify test that determines whether reload_as_needed gets run.
9657 (calculate_needs): Delete code to manage caller_save_spill_class.
9659 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
9661 * collect2.c (main): Initialize ld_file_name.
9663 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
9665 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
9666 check for flag_function_sections.
9668 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9670 * cse.c (insert_regs): Fix bug in Sep 24 change.
9672 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9674 * flags.h (flag_dump_unnumbered): Declare.
9675 * toplev.c (flag_dump_unnumbered): Don't declare.
9676 * print-rtl.c (flags.h): Include.
9677 (print_rtl_single): Add return value.
9678 * rtl.h (print_rtl_single): Update declaration.
9679 * flow.c (flag_dump_unnumbered): Don't declare.
9680 (print_rtl_with_bb): Use return value of print_rtl_single.
9682 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9684 * loop.c (count_one_set): New static function, broken out of
9686 (count_loop_regs_set): Call it.
9687 * global.c (mark_reg_store): Handle clobbers here by not calling
9689 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
9690 is in fact a clobber.
9691 * integrate.c (process_reg_param): New function, broken out of
9692 expand_inline_function.
9693 (expand_inline_function): Call it.
9696 * i386.md (addsidi3_1): Delete unused variable temp.
9697 (addsidi3_2): Likewise.
9698 (clstrstrsi): Delete unused variable addr1.
9700 * rtl.h: Don't declare any functions also declared in recog.h.
9702 * Makefile.in (stupid.o): Update dependencies.
9703 (global.o): Likewise.
9705 * global.c: Include reload.h
9706 (reg_becomes_live): New function.
9707 (reg_dies): New function.
9708 (build_insn_chain): New function.
9709 (global_alloc): Call build_insn_chain before calling reload.
9711 * reload.h (struct needs): New structure definition.
9712 (struct insn_chain): Likewise.
9713 (reload_insn_chain): Declare variable.
9714 (new_insn_chain): Declare function.
9717 * reload1.c (reload_startobj): New variable.
9718 (reload_insn_chain): New variable.
9719 (unused_insn_chains): New variable.
9720 (new_insn_chain): New function.
9721 (init_reload): Initialize reload_startobj, not reload_firstobj.
9722 (reload): Initialize reload_firstobj.
9723 Before returning, free everything on the reload_obstack.
9725 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
9726 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
9727 current_chain): New variables.
9728 (reg_where_born): Delete variable.
9729 (REG_WHERE_BORN): New macro.
9730 (find_clobbered_regs): New function.
9731 (stupid_life_analysis): Don't allocate/free reg_where_born.
9732 Allocate and free reg_where_born_exact, reg_where_born_clobber,
9733 reg_where_dead_chain.
9734 Use REG_WHERE_BORN instead of reg_where_born.
9735 While processing the insns, build the reload_insn_chain with
9736 information about register lifetimes.
9737 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
9738 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
9740 Compute and information about birth and death of pseudo registers in
9741 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
9742 Delete code to set elements of reg_where_born.
9744 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
9746 * tree.def (GOTO_EXPR): Modified documentation.
9747 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
9750 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@gnu.org>
9752 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
9753 loop_final_value, loop_comparison_code): No longer static.
9754 (unroll_loop): Delete loop_start_value update.
9755 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
9756 loop_final_value, loop_comparison_code): Extern.
9757 (loop_start_value): Delete extern.
9758 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
9759 loop_comparison_value, loop_comparison_code): Delete.
9760 (loop_optimize): Remove initialization for deleted variables.
9761 (strength_reduce): Delete analyze_loop_iterations call. Only call
9762 insert_bct if flag_branch_count_on_reg set.
9763 (analyze_loop_iterations): Delete.
9764 (insert_bct): Remove iteration count calculation. Move checks for
9765 viable BCT optimization to here. Obtain iteration count from
9766 loop_iterations and correct for unrolling. Check for enough
9767 iteration to be beneficial. Comment out runtime iteration count
9769 (insert_bct): Print iteration count in dump file. Remove
9770 loop_var_mode and use word_mode directly.
9772 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
9773 * rs6000.c (rs6000_override_options): Use it.
9774 (optimization_options): Enable use of flag_branch_on_count_reg.
9775 * rs6000.md (define_function_unit): Describe 604e.
9777 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9779 * loop.c (move_movables): Corrected threshold calculation for
9780 moved_once registers.
9782 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9784 * loop.c (combine_givs_p): Fix test for identical givs.
9786 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
9788 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
9789 call abort if the function is already defined.
9791 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
9793 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
9794 truncation is not a no-op.
9796 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
9798 * version.c: Bump for snapshot.
9800 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
9802 * version.c: Bump for snapshot.
9804 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
9806 * expmed.c (expand_divmod): Don't widen for computing remainder
9807 if we seem to have a divmod pattern for needed mode.
9809 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
9811 * cpplib.c (macroexpand): Correct off-by-one error in handling
9814 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
9816 * combine.c (expand_field_assignment): Don't do bitwise operations
9817 on MODE_FLOAT; pun to MODE_INT if possible.
9819 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
9820 scott snyder <snyder@d0sgif.fnal.gov>
9822 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
9823 linker. Recognize mangled names in quotes.
9825 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
9827 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
9828 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
9829 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
9830 (lshrsi3_extend, lshrsi3_extend2): Ditto.
9832 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9834 * function.c (purge_addressof_1): If trying to take a sub-word
9835 integral piece of a floating point mode, put it on the stack.
9837 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
9839 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
9841 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
9843 * PROJECTS: Remove template friends.
9845 * collect2.c (sort_ids): Remove unused variable.
9847 * tm.texi (MATH_LIBRARY): Document.
9848 (NEED_MATH_LIBRARY): Remove.
9850 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
9851 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
9853 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
9855 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
9856 last_end to 0x7fffffff.
9858 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9860 * function.c (purge_addressof_1): Do not perform endianness
9861 corrections on bitpos, who we call will do it for us.
9863 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
9865 * h8300.c (WORD_REG_USED): Fix typo.
9866 (initial_offset): Use WORD_REG_USED.
9868 * h8300.c (handle_pragma): Fix typo.
9870 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9872 * caller-save.c (insert_save_restore): Break this function up
9873 into new functions insert_restore, insert_save and insert_one_insn.
9874 All callers changed.
9875 (insert_restore): New function, mostly broken out of
9876 insert_save_restore.
9877 (insert_save): Likewise.
9878 (insert_one_insn): Likewise.
9879 (restore_referenced_regs): New argument BLOCK. All callers changed.
9880 (save_call_clobbered_regs): Don't keep track of basic block boundaries
9881 in this function, do it in insert_one_insn instead.
9883 * reload1.c (reload): Break out some more pieces into separate
9885 (dump_needs): New function, broken out of reload.
9886 (set_initial_elim_offsets): Likewise.
9887 (init_elim_table): Likewise.
9888 (update_eliminables): Likewise.
9890 * global.c (global_alloc): Delete code to manage the scratch_list.
9891 * local-alloc.c (qty_scratch_rtx): Delete.
9892 (scratch_block): Delete.
9893 (scratch_list): Delete.
9894 (scratch_list_length): Delete.
9895 (scratch_index): Delete.
9896 (alloc_qty_for_scratch): Delete.
9897 (local-alloc): Update initialization of max_qty.
9898 Delete code to manage the scratch list.
9899 Delete code to allocate/initialize qty_scratch_rtx.
9900 (block_alloc): Don't allocate quantities for scratches.
9901 Delete code to manage the scratch list.
9902 * regs.h (scratch_list): Delete declaration.
9903 (scratch_block): Delete declaration.
9904 (scratch_list_length): Delete declaration.
9905 * reload1.c (reload): Delete code to manage the scratch list.
9906 (spill_hard_reg): Likewise.
9907 (mark_scratch_live): Delete.
9909 * recog.c (alter_subreg): Delete declaration.
9911 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
9913 * Makefile.in (cccp.o): Fix typo in last patch.
9915 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9917 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
9918 * config/sh/lib1funcs.asm (___set_fpscr): Add.
9920 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
9922 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
9923 NULL_RTX as an argument.
9925 * Makefile.in (unlibsubdir): Define.
9926 (DRIVER_DEFINES): Use unlibsubdir.
9927 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
9928 (stmp-fixinc): Similarly.
9930 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9932 * regmove.c (regmove_optimize): Add variable old_max_uid.
9933 At the end of the function, update basic_block_end.
9935 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9937 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
9938 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
9941 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
9943 * config/arm/arm.c: Improve interworking support.
9945 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9947 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
9948 copied from reload_out[r] .
9950 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
9952 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
9953 with more than three size ranges.
9955 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
9957 * rtl.c (mode_name): Add a null string at the end of the array.
9958 (mode_wider_mode): Change type to unsigned char.
9959 (mode_mask_array): New variable.
9960 (init_rtl): Update for mode_wider_mode type change.
9962 * rtl.h (mode_wider_mode): Change type to unsigned char.
9963 (mode_mask_array): Declare.
9964 (GET_MODE_MASK): Use mode_mask_array.
9966 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
9968 * calls.c (expand_call) : Encapsulate code into
9969 copy_blkmode_from_reg.
9970 * expr.c (copy_blkmode_from_reg): New function.
9971 * expr.h (copy_blkmode_from_reg): New function.
9972 * integrate.c (function_cannot_inline_p): We can inline
9974 (expand_inline_function): Use copy_blkmode_from_reg
9975 if needed. Avoid creating BLKmode REGs.
9976 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
9979 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
9981 * config/v850/v850.c: Add function prototypes.
9982 Add support for v850 special data areas.
9984 * config/v850/v850.h: Add support for v850 special data areas.
9986 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
9987 HANDLE_PRAGMA_PACK_PUSH_POP.
9988 (push_alignment): New function: Cache an alignment requested
9989 by a #pragma pack(push,<n>).
9990 (pop_alignment): New function: Pop an alignment from the
9992 (insert_pack_attributes): New function: Generate __packed__
9993 and __aligned__ attributes for new decls whilst a #pragma pack
9995 (add_weak): New function: Cache a #pragma weak directive.
9996 (handle_pragma_token): Document calling conventions. Add
9997 support for #pragma pack(push,<n>) and #pragma pack (pop).
9999 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
10000 are defined enable HANDLE_PRAGMA_PACK.
10001 Move 'struct weak_syms' here (from varasm.c).
10002 Add pragma states for push and pop pragmas.
10004 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
10007 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
10008 HANDLE_GENERIC_PRAGMAS.
10010 * varasm.c: Move definition of 'struct weak_syms' into
10012 (handle_pragma_weak): Deleted.
10014 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
10016 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
10018 * c-decl.c (start_function): Add invocation of
10019 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
10021 * tm.texi: Remove description of non-existant macro
10022 SET_DEFAULT_SECTION_NAME.
10024 (HANDLE_SYSV_PRAGMA): Document.
10025 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
10027 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
10029 * config.sub: Recognize i[34567]86-pc-udk as new target.
10030 * configure.in: Likewise.
10031 * config/i386/t-udk: New file.
10032 * config/i386/udk.h: New file.
10034 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
10036 * reorg.c (check_annul_list_true_false): Remove unused variables.
10037 (steal_delay_list_from_target): Add missing "used_annul" variable.
10038 (try_merge_delay_insns): Close out half formed comment.
10040 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
10042 * cpplib.c (macroexpand): If arg->raw_before or
10043 arg->raw_after, remove any no-reexpansion escape at the
10044 beginning of the pasted token. Correct handling of whitespace
10045 markers and no-reexpand markers at the end if arg->raw_after.
10047 * toplev.c (documented_lang_options): Recognize -include,
10048 -imacros, -iwithprefix, -iwithprefixbefore.
10049 * cpplib.c (cpp_start_read): Process -imacros and -include
10050 switches at the same time and in command-line order, after
10051 initializing the dependency-output code. Emit properly nested
10052 #line directives for them. Emit a #line for the main file
10053 before processing these switches, and don't do it again
10056 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
10058 * function.c (purge_addressof_1): Use bitfield manipulation
10059 routines to handle mem mode < reg mode.
10061 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10063 * reorg.c (try_merge_delay_insns): Account for resources referenced
10064 in each instruction in INSN's delay list before trying to eliminate
10065 useless instructions. Similarly when looking at a trial insn's delay
10068 * reorg.c (check_annul_list_true_false): New function.
10069 (steal_delay_list_from_{target,fallthrough}): Call it and also
10070 refine tests for when we may annul if already filled a slot.
10071 (fill_slots_from_thread): Likewise.
10072 (delete_from_delay_slot): Return newly-created thread.
10073 (try_merge_delay_isns): Use its new return value.
10075 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
10077 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
10078 used to compute a giv or as some other non-counting use.
10080 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10082 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
10083 * local-alloc.c (find_free_reg): Use it.
10084 * global.c (find_reg): Likewise.
10085 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
10087 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
10088 * caller-save.c (init_caller_save): Use it.
10089 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
10091 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
10093 * configure.in: Add --enable-cpplib option which uses cpplib
10094 for cpp, but doesn't link cpplib into cc1. Make help text
10095 capitalization consistent.
10096 * configure: Rebuilt.
10098 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
10100 * function.c (gen_mem_addressof): If the address REG is
10101 REG_USERVAR_P make the new REG be so also.
10102 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
10103 in an attempt to clarify slightly.
10105 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
10107 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
10108 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
10110 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
10112 * toplev.c: Fix last patch.
10114 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
10116 * loop.c (get_condition): Fix typo in May 9 change.
10118 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
10120 * invoke.texi (-fexceptions): Merge 2 different descriptions.
10122 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10124 * toplev.c (documented_lang_options): Spelling corrections.
10126 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
10128 * configure.in: new flags --with-ld and --with-as, equivalent
10129 to setting LD and AS environment variables. Test whether
10130 specified arguments are GNU commands, and report them with
10131 checking messages. Use the specified AS for configure
10134 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
10136 * gcc.c (find_a_file): when looking for `as' and `ld', return
10137 the DEFAULT program if it exists
10138 * collect2.c (main): use DEFAULT_LINKER if it exists
10140 * gcc.c (find_a_file): the test for existence of a full
10141 pathname was reversed
10143 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
10145 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
10146 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
10148 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
10150 * tree.h (TYPE_BINFO): Document.
10152 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
10154 * i386-coff.h (dbxcoff.h): Added.
10156 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
10158 * toplev.c: fix bad patch around flag_data_sections.
10160 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
10162 * reload1.c (reload): Use reload_address_index_reg_class and
10163 reload_address_base_reg_class when setting
10164 caller_save_spill_class. (Patch generated by Jim Wilson:
10165 wilson@cygnus.com).
10167 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
10169 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
10170 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
10171 * expr.c (store_field): Add alias_set parameter. Set the
10172 MEM_ALIAS_SET accordingly, if the target is a MEM.
10173 (expand_assignment): Use it.
10174 (store_constructor_field): Pass 0.
10175 (expand_expr): Likewise.
10177 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
10179 * flags.h: Add flag_data_sections.
10180 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
10181 (compile_file): Error if flag_data_sections not supported.
10182 * varasm.c (assemble_variable): Handle flag_data_sections.
10183 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
10184 * config/mips/elf.h: Likewise.
10185 * config/mips/elf64.h: Likewise.
10186 * invoke.texi: Describe -fdata-sections.
10188 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
10190 * invoke.texi (-ffloat-store): Clarify that this option
10191 does not affect intermediate results -- only variables.
10193 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
10195 * cpp.texi: Update for Fortran usage from Craig.
10197 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@gnu.org>
10199 * rs6000.c (function_arg_boundary): Revert accidental change on
10202 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
10204 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
10205 (output_mi_thunk): Declare.
10207 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
10208 (output_function_profiler): Use r12 for temp, instead of r11 so
10209 that we preserve the static chain register.
10211 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
10213 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
10215 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10217 * sh.c (gen_shl_sext): Fix case 5.
10219 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10221 * reload1.c (reload_combine): Re-add line that got accidentally lost.
10223 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10225 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
10226 accessing variables until they are initialized via va_arg().
10228 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10230 * reload1.c (reload_combine): Initialize set before using.
10232 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
10234 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
10237 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
10239 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
10240 operand3 with mask before using it. Patch provided by Jim Wilson.
10242 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
10244 * config/sparc/sparc.c (function_value): Perform the equivalent of
10245 PROMOTE_MODE for ARCH64.
10246 (eligible_for_epilogue_delay): Allow DImode operations in delay
10247 slot of a return for ARCH64.
10249 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10251 * sh.md (sqrtsf2): Fix mode of sqrt.
10253 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10255 * reload1.c (choose_reload_regs): Also try inheritance when
10256 reload_in is a stack slot of a pseudo, even if we already got a
10259 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10261 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
10262 (reload_cse_regs): New function body: call reload_cse_regs_1,
10263 reload_combine, reload_cse_move2add.
10264 When doing expensive_optimizations, call reload_cse_regs_1 a
10265 second time after reload_cse_move2add.
10266 (reload_combine, reload_combine_note_store): New functions.
10267 (reload_combine_note_use): New function.
10268 (reload_cse_move2add, move2add_note_store): New functions.
10270 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10272 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
10273 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
10275 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
10276 more than 3 such reloads.
10278 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
10279 RELOAD_FOR_X_ADDR_ADDR reload.
10281 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10283 * expr.c (store_constructor): When initializing a field that is smaller
10284 than a word, at the start of a word, try to widen it to a full word.
10286 * cse.c (cse_insn): When we are about to change a register,
10287 remove any invalid references to it.
10289 (remove_invalid_subreg_refs): New function.
10290 (mention_regs): Special treatment for SUBREGs.
10291 (insert_regs): Don't strip SUBREG for call to mention_regs.
10292 Check if reg_tick needs to be bumped up before that call.
10293 (lookup_as_function): Try to match known word_mode constants when
10294 looking for a norrower constant.
10295 (canon_hash): Special treatment for SUBREGs.
10297 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10299 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
10300 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
10301 defined, emit libcall to __enable_execute_stack. Also fix opcodes
10302 and offsets in actual stack trampoline code so they match the
10303 commentary and actually work.
10305 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
10307 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
10309 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
10310 tmake_file. Set extra_parts to needed crt objects.
10311 * configure: Rebuilt.
10312 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
10313 (TARGET_DEFAULT): Set if default is v9 or ultra.
10314 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
10315 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
10316 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
10317 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
10318 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
10319 (TARGET_VERSION): Define.
10320 (MULTILIB_DEFAULT): Define.
10321 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
10322 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
10323 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
10325 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
10326 * config/sparc/sparc.c (sparc_override_options): If arch and
10327 pointer size disagree, emit diagnostic and fix it up. If
10328 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
10329 V8PLUS in 64-bit mode.
10330 * config/sparc/t-linux64: New file.
10331 * config/sparc/t-sol2-64: New file.
10332 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
10333 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
10334 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
10335 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
10336 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
10337 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
10339 (STARTFILE_SPEC): Set approriately based upon those.
10340 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
10341 disposition of DEFAULT_ARCH32_P.
10342 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
10343 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
10344 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
10345 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
10346 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
10348 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
10350 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
10352 * rtl.h (init_virtual_regs): New function.
10353 * emit-rtl.c (init_virtual_regs): Define.
10354 (insn_emit): Use it.
10355 * integrate.c (save_for_inline_copying): Likewise.
10357 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
10359 * config/arm/thumb.h: The following patches were made by Jim Wilson:
10360 (enum reg_class): Add NONARG_LO_REGS support.
10361 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
10362 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
10363 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
10364 completes. Re-enable HImode REG+OFFSET addresses.
10365 (LEGITIMIZE_RELOAD_ADDRESS): Define.
10367 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
10369 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
10371 * alpha.c (get_aligned_mem): Revert Sep 20 change.
10372 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
10373 (alpha_align_insns): Properly calculate initial offset wrt max_align.
10375 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
10377 * arm.c (find_barrier): Revert change of Apr 23. Handle table
10378 jumps as a single entity, taking into account the size of the
10381 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
10383 * tree.def (SWITCH_EXPR): New tree node definition.
10385 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
10387 * version.c: Bump for snapshot.
10389 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
10391 * version.c: Bump for snapshot.
10393 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
10395 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
10398 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
10400 * Revert this patch.
10401 * reload.c (find_reloads): Do not replace a pseudo with
10402 (MEM (reg_equiv_addr)) in the initializing insn for the
10405 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
10407 * final.c (final_scan_insn): Disable tracking CC across branches.
10409 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
10411 * expr.h (eh_rtime_match_libfunc): New extern declaration.
10412 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
10413 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
10414 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
10415 NULL. Only include <stdio.h> if inhibit_libc is not defined.
10417 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
10419 * toplev.c (rest_of_compilation): Skip compiling anything with
10420 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
10422 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
10424 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
10425 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
10426 use in_libcall_block.
10427 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
10428 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
10431 Mon Sep 21 14:02:23 1998
10433 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
10434 typo in no-fancy-math-387 description.
10436 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
10438 * version.c: Bump for snapshot.
10440 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
10442 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
10444 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
10446 * i386.h: (TARGET_SWITCHES) Add description fields for flags
10447 documented in install.texi.
10448 (TARGET_OPTIONS) Likewise.
10450 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
10452 * version.c: Bump for snapshot.
10454 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
10456 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
10457 * cccp.c (main): Likewise.
10459 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
10460 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
10463 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
10465 * Makefile.in (LIBS): Link in libiberty.a.
10466 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
10468 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
10470 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
10471 it to update bb boundaries. Update caller.
10472 * function.c (reposition_prologue_and_epilogue_notes): Update
10473 bb boundaries wrt the moved note.
10475 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
10477 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
10479 * configure: Regenerate.
10481 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
10483 * alpha.c (alpha_sr_alias_set): New variable.
10484 (override_options): Set it.
10485 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
10486 (mode_mask_operand): Fix signed-unsigned comparision warning.
10487 (alpha_expand_block_move): Likewise.
10488 (print_operand): Likewise.
10489 (get_aligned_mem): Use change_address.
10490 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
10491 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
10492 (alphaev4_next_nop, alphaev5_next_nop): New functions.
10493 (alpha_align_insns): Remade from old alphaev5_align_insns
10494 to handle multiple processors.
10495 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
10496 * output.h (label_to_alignment): Prototype.
10498 * tree.c (new_alias_set): New function.
10499 * tree.h (new_alias_set): Declare it.
10500 * c-common.c (c_get_alias_set): Use it.
10502 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
10504 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
10505 to an ABS expr, convert an unsigned input to signed.
10507 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
10509 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
10511 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10513 * configure.in: Add support for c4x targets.
10514 * configure: Rebuilt.
10516 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
10518 * combine.c (distribute_notes): If an insn is a cc0 user, only
10519 delete it if we can also delete the cc0 setter.
10521 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
10523 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
10524 (invert_truthvalue): Enable truthvalue inversion for
10525 floating-point operands if -ffast-math.
10527 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
10529 * configure.in: Disable collect2 for nextstep. Instead use
10531 * configure: Rebuilt.
10532 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
10533 (ENDFILE_SPEC): Define.
10534 (OBJECT_FORMAT_MACHO): Define.
10535 (EH_FRAME_SECTION_ASM_OP): Define.
10536 * crtstuff.c: Handle MACHO.
10538 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
10540 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
10542 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
10544 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
10545 (_fpadd_parts): Get sign right for 0.
10547 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10549 * ginclude/varargs.h: Add support for C4x target.
10550 * ginclude/stdargs.h: Likewise.
10552 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
10554 * alpha.c (alpha_return_addr): SET should be VOIDmode.
10555 (alpha_emit_set_long_const): Rewrite to be callable from reload
10557 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
10558 * alpha.md (movdi): Likewise.
10560 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
10562 * arm.c (add_constant): New parameter address_only, change caller.
10563 Set it non-zero if taking the address of an item in the pool.
10564 (arm_reorg): Handle cases where we need the address of an item in
10567 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
10569 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
10570 memory addresses that are not in standard canonical form.
10572 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
10574 * README.C4X: New file with information about the c4x ports.
10575 * ginclude/va-c4x.h: New file for c4x varargs support.
10576 * config/c4x: New directory with c4x port files.
10578 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
10580 * reload.c (find_reloads): Do not replace a pseudo with
10581 (MEM (reg_equiv_addr)) in the initializing insn for the
10584 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@gnu.org>
10586 * toplev.c (rest_of_compilation): Set bct_p on second call to
10588 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
10590 (strength_reduce): Only call analyze_loop_iterations and
10591 insert_bct if bct_p set.
10592 (check_dbra_loop): Fix typo.
10593 (insert_bct): Use word_mode instead of SImode.
10594 (instrument_loop_bct): Likewise. Do not delete iteration count
10595 condition code generation insn. Initialize iteration count before
10597 * rtl.h (loop_optimize): Update prototype.
10599 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
10600 not doubleword aligned.
10602 * rs6000.c (optimization_options): New function.
10603 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
10604 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
10605 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
10606 first; cr1 can be used for FP record condition insns.
10608 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
10610 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
10613 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
10616 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
10618 (block_move_call): New function: Call a library routine to copy a
10620 (m32r_expand_block_move): New function: Expand a "movstrsi"
10621 pattern into a sequence of insns.
10622 (m32r_output_block_move): New function: Expand a
10623 "movstrsi_internal" pattern into a sequence of assembler opcodes.
10624 (m32r_block_immediate_operand): New function: Return true if the
10625 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
10627 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
10629 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
10630 re-align some code.
10631 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
10633 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10635 * regmove.c (copy_src_to_dest): Check that modes match.
10637 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
10639 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
10641 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
10643 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
10644 narrower than FLOAT_REGS.
10646 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
10648 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
10650 * Makefile.in (old_gxx_include_dir): removed
10652 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
10654 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
10657 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
10658 (sh_handle_pragma): Change function arguments to match new
10659 specification for HANDLE_PRAGMA.
10661 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10663 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
10665 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
10666 When generating output, initialize missing struct member to zero.
10668 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10670 * regmove.c (copy_src_to_dest): Don't copy if that requires
10671 (a) new register(s).
10673 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
10675 * global.c (reg_allocno): Now static.
10676 * reload1.c (reg_allocno): Delete declaration.
10677 (order_regs_for_reload): Take no arguments. Don't treat regs
10678 allocated by global differently than those allocated by local-alloc.
10680 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
10682 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
10683 condition, fix format strings.
10684 (output_function_epilogue): Likewise.
10686 * m68k/m68k.c: Don't include <stdlib.h> directly.
10688 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
10690 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
10691 mem_first_set, mem_last_set; because 0 can be a CUID.
10692 (oprs_unchanged_p): Use new definition.
10693 (record_last_reg_set_info): Likewise.
10694 (record_last_mem_set_info): Likewise.
10695 (compute_hash_table): Likewise.
10697 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
10699 * rs6000.c (output_epilogue): Handle Chill.
10701 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
10702 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
10704 * combine.c (make_extraction): If no mode is specified for
10705 an operand of insv, extv, or extzv, default it to word_mode.
10706 (simplify_comparison): Similarly.
10707 * expmed.c (store_bit_field): Similarly.
10708 (extract_bit_field): Similarly.
10709 * function.c (fixup_var_regs_1): Similarly.
10710 * recog.c (validate_replace_rtx_1): Similarly.
10711 * mips.md (extv, extzv, insv expanders): Default modes for most
10712 operands. Handle TARGET_64BIT.
10713 (movdi_uld, movdi_usd): New patterns.
10715 * pa.c (emit_move_sequence): Do not replace a pseudo with its
10716 equivalent memory location unless we have been provided a scratch
10717 register. Similarly do not call find_replacement unless a
10718 scratch register has been provided.
10720 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
10722 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
10725 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
10727 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
10728 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
10729 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
10730 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
10731 * c-decl.c (init_decl_processing): Update accordingly.
10732 * expr.c (expand_builtin): Likewise.
10734 * rtl.h (global_rtl): Add cfa entry.
10735 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
10736 (LAST_VIRTUAL_REGISTER): Update.
10737 * emit-rtl.c (global_rtl): Add cfa entry.
10738 (init_emit): Initialize it.
10739 * function.c (cfa_offset): New.
10740 (instantiate_virtual_regs): Initialize it.
10741 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
10742 (expand_function_end): Call expand_eh_return.
10743 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
10745 * except.c (current_function_eh_stub_label): Kill.
10746 (current_function_eh_old_stub_label): Likwise; update all references.
10747 (expand_builtin_set_return_addr_reg): Kill.
10748 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
10749 (expand_builtin_set_eh_regs): Kill.
10750 (eh_regs): Produce a third reg for the actual handler address.
10751 (eh_return_context, eh_return_stack_adjust): New.
10752 (eh_return_handler, eh_return_stub_label): New.
10753 (init_eh_for_function): Initialize them.
10754 (expand_builtin_eh_return, expand_eh_return): New.
10755 * except.h: Update prototypes.
10756 * flow.c (find_basic_blocks_1): Update references to the stub label.
10757 * function.h (struct function): Kill stub label elements.
10759 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
10760 register number is one that would be in the previous window.
10761 Provide a dummy definition for non-windowed targets.
10762 (get_reg_addr): New function.
10763 (get_reg, put_reg, copy_reg): Use it.
10764 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
10765 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
10767 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
10768 (alpha_init_expanders): Initialize it.
10769 (alpha_expand_epilogue): Use it.
10770 * alpha.h: Declare it.
10771 * alpha.md (eh_epilogue): New.
10773 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
10774 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
10776 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
10778 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
10781 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
10783 * except.h (struct eh_entry): Add false_label field.
10784 (end_catch_handler): Add prototype.
10785 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
10786 (start_catch_handler): When using old style exceptions, issue
10787 runtime typematch code before continuing with the handler.
10788 (end_catch_handler): New function, generates label after handler
10789 if needed by older style exceptions.
10790 (expand_start_all_catch): No need to check for new style exceptions.
10791 (output_exception_table_entry): Only output the first handler label
10792 for old style exceptions.
10793 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
10794 mechanism into one function, if a runtime matcher is provided.
10796 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
10798 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
10800 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
10802 * integrate.c (copy_decl_list): Fix typo.
10804 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10806 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
10809 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
10811 * version.c: Bump for snapshot.
10813 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
10815 * version.c: Bump for snapshot.
10817 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
10819 * version.c: Bump for snapshot.
10821 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10823 * invoke.texi (C Dialect Options): Put back missing @end itemize.
10825 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
10827 * configure.in: remove usage of `!' to negate the result of a
10828 command; some common shells do not support it
10830 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10832 * configure.in: in sparc9-sol2 config, use 'if test' not
10834 * configure: Rebuilt.
10836 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
10838 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
10839 (CPP_CPU_DEFAULT_SPEC): Likewise.
10840 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
10841 for arch64 libfuncs.
10843 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
10846 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10848 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
10850 * collect2.c: Don't declare `sys_siglist' here.
10851 (my_strsignal): Prototype and define new function. Use it in
10852 place of `sys_siglist' hacks.
10854 * mips_tfile.c: Likewise.
10856 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
10857 (GCC_NEED_DECLARATIONS): Likewise.
10859 * system.h (strsignal): Prototype it, if necessary.
10860 (sys_siglist): Declare it, if necessary.
10862 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10864 * loop.c (move_movables): While removing insn sequences, preserve
10865 the next pointer of the most recently deleted insn when we skip
10868 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
10870 * objc/config-lang.in: Do not output the name of the selected
10871 thread file when building the front-end. The Makefile for the
10872 runtime library will do this.
10874 * objc/Make-lang.in: Do not build the runtime library or install
10875 the Objective C header files. The Makefile for the runtime
10876 library will do this.
10878 * objc/Makefile.in (all.indirect): Only build the front-end.
10879 (compiler): Rename to `frontend'.
10880 (obj-runtime): Remove target.
10881 (copy-headers): Likewise.
10882 (clean): No need to remove `libobjc.a' any longer.
10884 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
10886 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
10887 supported with -mcpu=xxx.
10889 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10891 * flow.c (mark_set_1): Recognize multi-register structure return
10892 values in CALL insns.
10893 (mark_used_regs): Likewise.
10894 (count_reg_sets_1): Likewise.
10895 (count_reg_references): Likewise.
10896 * rtlanal.c (note_stores): Likewise.
10897 (reg_overlap_mentioned_p): Likewise.
10898 * haifa-sched.c (check_live_1): Likewise.
10899 (update_live_1): Likewise.
10900 (sched_analyze_1): Likewise.
10901 (sched_note_set): Likewise.
10902 (birthing_insn_p): Likewise.
10903 (attach_deaths): Likewise.
10905 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
10908 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
10910 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
10912 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10914 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
10916 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
10918 * configure.in: Add check for GAS subsection -1 support.
10919 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
10920 * configure config.in: Rebuilt.
10921 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
10922 SImode is subsection -1 works, else use DImode.
10923 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
10924 subsection -1 works.
10925 * config/sparc/sparc.c (sparc_output_addr_vec,
10926 sparc_output_addr_diff_vec): Use them if defined.
10928 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
10930 * tree.h (DECL_ORIGIN): New macro.
10931 * integrate.c (copy_and_set_decl_abstract_origin): New function.
10932 (copy_decl_list): Use it.
10933 (integrate_parm_decls): Likewise.
10934 (integrate_decl_tree): Likewise.
10935 * dwarf2out.c (decl_ultimate_origin): Simplify.
10936 * dwarfout.c (decl_ultimate_origin): Likewise.
10937 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
10938 (pushdecl): Likewise.
10940 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
10942 * config/rs6000/rs6000.c (output_epilog): Add Java support.
10944 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
10946 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
10948 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
10950 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
10951 empty or has a single entry.
10953 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
10954 before calling reg_to_stack.
10956 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
10958 * alpha.c (alphaev5_insn_pipe): Abort on default case.
10959 (alphaev5_next_group): Swallow CLOBBERs and USEs.
10961 * c-tree.h (warn_long_long): Declare it.
10963 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
10965 * emit-rtl.c (gen_lowpart_common): Disable optimization of
10966 initialized float-int union if the value is a NaN.
10968 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
10970 * c-lex.c (real_yylex): Don't warn about long long constants if
10971 we're allowing long long
10973 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
10975 * except.h (current_function_eh_stub_label): Declare.
10976 (current_function_eh_old_stub_label): Declare.
10977 * function.h (struct function): New members eh_stub_label and
10979 * except.c (current_function_eh_stub_label): New variable.
10980 (current_function_eh_old_stub_label): New variable.
10981 (init_eh_for_function): Clear them.
10982 (save_eh_status): Save them.
10983 (restore_eh_status): Restore them.
10984 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
10985 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
10986 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
10987 make an edge from the block that contains it to the block starting
10988 with the label if this label is one of the eh stub labels.
10989 If eh stub labels exist, show they are reachable from the last block
10992 * reload1.c (reload): Break out several subroutines and make some
10994 (calculate_needs_all_insns): New function, broken out of reload.
10995 (calculate_needs): Likewise.
10996 (find_reload_regs): Likewise.
10997 (find_group): Likewise.
10998 (find_tworeg_group): Likewise.
10999 (something_needs_reloads): New global variable, formerly in reload.
11000 (something_needs_elimination): Likewise.
11001 (caller_save_spill_class): Likewise.
11002 (caller_save_group_size): Likewise.
11003 (max_needs): Likewise.
11004 (group_size): Likewise.
11005 (max_groups): Likewise.
11006 (max_nongroups): Likewise.
11007 (group_mode): Likewise.
11008 (max_needs_insn): Likewise.
11009 (max_groups_insn): Likewise.
11010 (max_nongroups_insn): Likewise.
11011 (failure): Likewise.
11013 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
11015 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
11017 * loop.c (load_mems): Copy rtx for output mem.
11019 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
11021 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
11022 mips1 or mips2 either.
11024 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
11026 * pa.c (pa_reorg): New marking scheme for jumps inside switch
11028 (pa_adjust_insn_length): Update to work with new marking scheme
11029 for jumps inside switch tables.
11030 * pa.md (switch_jump): Remove pattern.
11031 (jump): Handle jumps inside jump tables.
11033 * Makefile.in (profile.o): Depend on insn-config.h
11035 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
11037 * iris6.h (DWARF2_UNWIND_INFO): Undef.
11039 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11041 Add preliminary native sparcv9 Solaris support.
11042 * configure.in: Recognize sparv9-*-solaris2*
11043 * configure: rebuilt
11044 * config.sub: Recognize sparcv9 just like sparc64.
11045 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
11046 config/sparc/sol2-cn.asm: Macroize so it can be shared between
11047 32-bit and 64-bit Solaris systems.
11048 * config/sparc/t-sol2: Assemble those with cpp.
11049 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
11050 (*TF*_LIBCALL): If ARCH64 use V9 names.
11051 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
11053 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
11055 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
11056 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
11058 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
11060 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
11061 to Pmode if CASE_VECTOR_MODE is something else.
11063 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
11065 * prefix.c (update_path): Correctly handle cases where PATH is
11066 a substring of the builtin prefix, but specifies a different
11067 directory location.
11069 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
11071 * expr.c: Corrected comment about what MOVE_RATIO does.
11072 * config/alpha/alpha.h: Ditto.
11073 * config/1750a/1750a.h: Ditto.
11074 * config/clipper/clipper.h: Ditto.
11075 * config/i386/i386.h: Ditto.
11077 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
11079 * configure.in (m68k-next-nextstep3*): Use collect2.
11080 Similarly for x86 NeXT configurations.
11081 * configure: Rebuilt.
11083 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
11085 * configure.in: Don't assume srcdir is .../gcc
11086 * configure: Rebuilt.
11088 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
11090 * global.c: Update comments.
11091 (global_alloc): Assign allocation-numbers
11092 even for registers allocated by local_alloc in case
11093 they are later spilled and retry_global_alloc is called.
11094 (mark_reg_store, mark_reg_clobber,
11095 mark_reg_conflicts, mark_reg_death): Always record a
11096 conflict with a pseudo register even if it has been
11097 assigned to a hard register.
11098 (dump_conflicts): Don't list pseudo registers already assigned to
11099 a hard register as needing to be allocated, but do list their
11101 * local-alloc.c: Update comment.
11103 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
11105 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
11106 * configure: Rebuilt.
11108 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
11110 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
11112 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
11113 for all targets that set -msoft-float.
11115 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11117 * toplev.c (print_switch_values): Make static to match prototype.
11119 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
11121 * configure.in: If we are unable to find the "gnatbind" program,
11122 then do not configure the ada subdir.
11123 * configure: Rebuilt.
11125 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
11127 * version.c: Bump for snapshot.
11129 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
11131 * version.c: Bump for snapshot.
11133 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11135 * Makefile.in (toplev.o): Depend on $(EXPR_H).
11136 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
11138 * gansidecl.h: Define ATTRIBUTE_NORETURN.
11140 * genattrtab.c: Have insn-attrtab.c include toplev.h.
11142 * genextract.c: Have insn-extract.c include toplev.h.
11144 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
11146 * toplev.c: Include expr.h.
11147 (really_sorry, fancy_abort): Remove prototypes.
11148 (set_target_switch): Add argument in prototype.
11149 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
11150 (v_really_sorry): Likewise.
11151 (print_version, print_single_switch, print_switch_values): Make
11152 static and add prototype arguments.
11153 (decl_printable_name): Add prototype arguments.
11154 (lang_expand_expr_t): New typedef.
11155 (lang_expand_expr): Declare as a lang_expand_expr_t.
11156 (incomplete_decl_finalize_hook): Add prototype argument.
11157 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
11158 (botch): Likewise for variable `s'.
11159 (rest_of_type_compilation): Mark variables `type' and `toplev'
11160 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
11161 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
11162 (display_help): Make variable `i' an `unsigned long'.
11163 (main): Remove unused parameter `envp'.
11164 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
11165 Cast -1 when comparing it with a `size_t'.
11167 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
11168 prototype with ATTRIBUTE_NORETURN.
11169 (fatal_insn_not_found, fatal_insn, really_sorry,
11170 push_float_handler, pop_float_handler): Add prototypes.
11171 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
11172 (do_abort, botch): Add prototypes.
11174 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
11176 * final.c (final): If a label is reached only from a single jump,
11177 call NOTICE_UPDATE_CC on the jump and its predecessor before
11178 emitting the insn after the label.
11180 * i386.h: Add AMD K6 support.
11181 Change TARGET_* macros to use table lookup.
11182 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
11183 (ADJUST_COST): Change definition to call function in i386.c.
11184 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
11185 * i386.c: Add AMD K6 support.
11186 Add constants for feature tests used by TARGET_* macros.
11187 (split_di): If before reload, call gen_lowpart and gen_highpart.
11188 (x86_adjust_cost): New function.
11189 (put_jump_code): New function.
11190 (print_operand): New codes 'D' and 'd'.
11191 * i386.md: New insn types. New insn attribute "memory".
11192 Redefine scheduling parameters to use new types and add AMD K6
11193 support. Explicitly set type of most insns.
11194 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
11195 Pro and K6 prefer movl $1,reg to incl reg.
11196 (adddi3, subdi3): Set cc_status.
11197 (DImode shift patterns): Change label counters from HOST_WIDE_INT
11198 to int; x86 can't have more than 2^31 DImode shifts per file.
11199 (setcc): Combine all setcc patterns. Allow writing memory.
11200 Combine all jump patterns using match_operator.
11201 (*bzero): Name pattern. Emit mutliple stos instructions when that
11202 is faster than rep stos.
11203 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
11206 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
11208 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
11211 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
11213 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
11214 not whatever we're generating now.
11216 * alpha.c (set_frame_related_p, FRP): New.
11217 (alpha_expand_prologue): Mark frame related insns.
11218 (alpha_expand_epilogue): Likewise, but with a null FRP.
11219 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
11220 * alpha.md (exception_receiver): New.
11221 * alpha/crtbegin.asm (.eh_frame): New beginning.
11222 (__do_frame_setup, __do_frame_takedown): New.
11223 * alpha/crtend.asm (.eh_frame): New ending.
11224 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
11225 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
11226 (ASM_FILE_START): Don't emit .file for dwarf2.
11228 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
11229 * rtl.c (reg_note_name): Likewise.
11230 * rtl.texi (REG_NOTES): Likewise.
11231 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
11234 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
11236 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
11237 * i386.md (movsf, movdf, movxf): Validate memory address returned
11238 from force_const_mem. Kill useless REG_EQUAL setting code.
11240 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
11242 * m68k.md (zero_extendsidi2): Fix typo.
11244 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
11246 * configure.in: Removed references to the removed file
11247 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
11248 * arm*-*-netbsd* and ns32k-*-netbsd*.
11249 * config/i386/xm-netbsd.h: Removed unnecessary file.
11250 * config/m68k/xm-netbsd.h: Likewise.
11251 * config/sparc/xm-netbsd.h: Likewise.
11252 * config/mips/xm-netbsd.h: Likewise.
11254 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
11256 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
11257 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
11259 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
11260 for exact section attributions.
11262 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
11264 * i386/crtdll.h (CPP_PREDEFINES): Define.
11266 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
11268 * m68k.md (5200 movqi): Do not allow byte sized memory references
11269 using address regs.
11270 * m68k.c (output_move_qimode): Do not use byte sized operations on
11273 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
11274 explicit rules for building. Similarly for alloca, vfprintf,
11275 choose-temp and mkstemp, getopt, getopt1, and obstack.
11276 (INCLUDES): Add $(srcdir)/../include.
11277 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
11278 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
11280 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
11282 * gcc.c (do_spec_1): [case 'o'] Account for
11283 lang_specific_extra_outfiles.
11284 (main): Correctly clear all slots in outfiles for
11285 lang_specific_extra_outfiles. Set input_file_number before
11286 calling lang_specific_pre_link.
11288 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
11290 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
11292 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11294 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
11296 (sparc_output_deferred_case_vectors): If no work to do, return.
11297 Fix thinko in Sept 1 change.
11299 1998-09-03 SL Baur <steve@altair.xemacs.org>
11301 * Makefile.in: add semicolon in BISON definition for portability.
11303 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
11305 * config/nextstep.c (handle_pragma): Correct name of third
11308 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
11310 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
11311 * config/m32r/m32r.h: Make register 17 be fixed.
11312 * config/m32r/m32r.c: Use SImode for cc operations.
11314 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
11316 * invoke.texi (Warning Options): Add -Wnon-template-friend
11319 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
11321 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
11323 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@gnu.org>
11325 * rs6000.md (movsf): Disable explicit secondary-reload-like
11326 functionality if TARGET_POWERPC64.
11327 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
11330 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
11332 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
11333 and term.h from fixinc.wrap.
11335 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11337 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
11338 safe to include both string.h and strings.h together.
11339 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
11340 which headers to search for function declarations. Continue to
11341 prefer string.h over strings.h when both are not acceptable.
11343 * acconfig.h (STRING_WITH_STRINGS): Add stub.
11345 * configure.in: Call GCC_HEADER_STRING.
11347 * system.h: Test STRING_WITH_STRINGS when deciding which headers
11348 to include. Continue to prefer string.h over strings.h when both
11349 are not acceptable.
11351 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11353 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
11354 not assume top 32-bits of symbolic addresses are zero if
11357 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
11359 * ginclude/va-alpha.h: Protect entire second portion of the
11360 file against double inclusion.
11362 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
11364 Added support for the Boehm's garbage collector.
11365 * configure.in: Handle --enable-objc-gc.
11366 * configure: Rebuilt.
11367 * Makefile.in (CHECK_TARGETS): Add check-objc.
11368 (check-objc): New rule.
11369 * objc/Make-lang.in: Build a different Objective-C library that
11370 runs with the Boehm's collector.
11371 * objc/encoding.c (objc_round_acc_size_for_types): New function.
11372 * objc/encoding.c: Correctly compute the size of compound types in
11373 the presence of bitfields. Skip the variable name of the type if
11374 any. Added support for long long.
11375 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
11376 (_F_GCINVISIBLE): New mask.
11377 * objc/gc.c: New file. Compute the type memory mask associated with
11378 a class based on the runtime information.
11379 * objc/misc.c: Added the hooks that use the Boehm's collector
11380 allocation functions.
11381 * objc/objc-act.c (build_class_template): Generate a new class
11382 member (gc_object_type) to hold the class' type memory mask.
11383 (build_shared_structure_initializer): Initialize the new member to
11385 (encode_complete_bitfield): New function. Generate the new
11387 (encode_field_decl): Generate the new encoding only for the GNU
11389 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
11391 (class_get_gc_object_type): New function to mark a pointer instance
11392 variable as a weak pointer.
11393 * objc/objc-features.texi: New file.
11394 * objc/objc.h (gc_object_type): New class member.
11395 * objc/objects.c (class_create_instance): Create a typed memory
11396 object when compiled with Boehm's collector support.
11397 * objc/sendmsg.c (__objc_init_install_dtable): Call
11398 __objc_send_initialize instead of setting the initialize flag.
11399 (__objc_send_initialize): Call __objc_generate_gc_type_description
11400 to generate the class type memory mask. Rewrite the code that
11401 sends the +initialize so that it is called only once (bug report
11402 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
11403 * testsuite/objc: New testsuite for Objective-C type encoding.
11404 * testsuite/lib/objc-torture.exp: New file.
11405 * testsuite/lib/objc.exp: New file.
11407 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
11409 * jump.c (jump_optimize): In if/then/else transformations, add
11410 another call to modified_between_p for the jump insn.
11412 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
11414 * fix-header.c (symlink): Treat like readlink.
11416 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11418 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
11421 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
11423 * config/nextstep.h: Update HANDLE_PRAGMA macro.
11424 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
11425 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
11427 * config/nextstep.c (handle_pragma): Take three arguments, as per
11428 the new HANDLE_PRAGMA macro specification.
11429 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
11430 per the new HANDLE_PRAGMA macro specification.
11431 * config/i960/i960.c (process_pragma): Take three arguments, as
11432 per the new HANDLE_PRAGMA macro specification.
11434 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
11436 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
11437 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
11438 if unknown pragmas are encountered.
11439 (handle_sysv_pragma): Interpret return code from
11440 handle_pragma_token (). Return success/failure indication rather
11441 than next unprocessed character.
11442 (pragma_getc): New function: retrieves characters from the
11443 input stream. Defined when HANDLE_PRAGMA is enabled.
11444 (pragma_ungetc): New function: replaces characters back into the
11445 input stream. Defined when HANDLE_PRAGMA is enabled.
11447 * c-pragma.c (handle_pragma_token): Return success/failure status
11450 * c-pragma.h: Change prototype of handle_pragma_token().
11452 * varasm.c: (handle_pragma_weak): Only create this function if
11453 HANDLE_PRAGMA_WEAK is defined.
11455 * c-common,c (decl_attributes): If defined call the expression
11456 contained within the INSERT_ATTRIBUTES macro before adding
11457 attributes to a decl.
11459 * tm.texi (HANDLE_PRAGMA): Document the new verion of
11460 HANDLE_PRAGMA, which takes three arguments.
11461 (INSERT_ATTRIBUTES): Document this new macro.
11463 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
11464 new INSERT_ATTRIBUTES macro.
11466 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11468 * config/sparc/sparc.md (movdf): Only generate special RTL for
11469 LABEL_REFs when PIC.
11470 (move_label_di): Remove
11471 (movdi_pic_label_ref, movdi_high_pic_label_ref,
11472 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
11473 references when PIC.
11474 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
11475 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
11476 output an .xword for all 64-bit cases.
11478 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11480 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
11481 alignment, use FUNCTION_BOUNDARY instead.
11482 (sparc_output_deferred_case_vectors): Likewise.
11484 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11486 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
11487 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
11489 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
11491 * alpha/va_list.h: New file.
11492 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
11494 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
11496 * NEWS: Add SCO Openserver and Unixware 7 notes.
11500 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
11502 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
11503 (record_constant_1): Handle RANGE_EXPR.
11505 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
11507 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
11508 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
11509 and NOTE_INSN_RANGE_END specially.
11510 (reemit_notes): Likewise.
11512 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11514 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
11515 (ultrasparc_sched_init): Remove unneeded &.
11517 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
11519 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
11520 for m68020-60, to prevent the use of fintrz.
11522 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
11524 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
11526 * Makefile.in: Likewise.
11527 * configure: Regenerated.
11529 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
11531 * configure.in (gxx_include_dir): Changed to
11532 '${prefix}/include/g++'-${libstdcxx_interface}.
11533 * configure: Rebuilt.
11535 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
11537 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
11539 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
11540 *sequences* *below* which scalar moves will be used.
11542 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
11544 * collect2.c (mktemp): Delete unused declaration.
11546 * config/xm-netbsd.h: Remove unnecessary file.
11547 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
11548 file anymore, it is not needed.
11550 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
11552 * convert.c (convert_to_integer): Issue an error on conversions to
11555 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
11557 * Makefile.in: Add lang_tree_files and gencheck.h.
11558 * configure.in: Generate them.
11559 * gencheck.c: Include gencheck.h.
11561 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11563 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
11564 movdi_lo_sum_pic and movdi_high_pic and make visible.
11565 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
11566 emit these when Pmode is not SImode.
11567 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
11569 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
11571 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
11572 .linkonce directive after the first time.
11574 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
11576 * m68k.md (beq0_di): Generate correct (and more efficient) code when
11577 the clobbered operand overlaps with an input.
11578 (bne0_di): Similarly.
11580 * Makefile.in (INSTALL): Remove "--no-header" argument.
11582 * NEWS: Various updates.
11584 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11586 * config/sparc/sparc.c (arith_operand, const64_operand,
11587 const64_high_operand, arith_double_4096_operand): Mark mode as
11589 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
11591 (sparc_emit_set_const64): Remove unused variable i.
11592 (sparc_splitdi_legitimate): Likewise for addr_part.
11593 (ultra_code_from_mask): Likewise for mask.
11594 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
11595 reverse return values so it matches usage and comments.
11596 (ultra_flush_pipeline): Likewise.
11597 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
11598 this_type, and allow loads and stores of differing FP modes as
11599 they do not create a conflict.
11600 (ultra_find_type): Initialize fpmode to SFmode, fix
11601 parenthesization thinkos in large conditional.
11602 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
11603 Init free_slot_mask after ultra_cur_hist is reset, not before.
11604 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
11605 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
11606 use ultra_flush_pipeline instead, then re-init group pointer.
11607 Fix statement with no effect. If no progress made in, and no
11608 instructions scheduled at all, advance to new pipeline cycle else
11609 we get into an endless loop.
11610 (ultrasparc_adjust_cost): Remove previous arg.
11611 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
11613 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
11615 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
11616 code. Use reg_overlap_mentioned_p to detect when source and
11617 destination overlap.
11618 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
11620 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
11622 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
11623 COMPARISON_VAL, into invariant_p.
11625 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11627 * regmove.c (regclass_compatible_p): New function.
11628 (regmove_optimize): Use it.
11630 Use NREGS parameter insted of calling max_reg_num.
11632 (fixup_match_1): Don't use code = MINUS when later tieing with
11633 a hard register is likely.
11635 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11637 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
11638 COMPARISON_VAL was normalized.
11640 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
11642 * loop.c (check_dbra_loop): The loop ending comparison value
11643 must be an invariant or we can not reverse the loop.
11645 * loop.c (scan_loop): Count down from max_reg_num - 1 to
11646 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
11648 (load_mems_and_recount_loop_regs_set): Likewise.
11650 * i386.c (print_operand): Remove obsolete 'c' docs.
11652 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
11654 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
11655 * frame.c (init_object_mutex): New function.
11656 (init_object_mutex_once): Likewise.
11657 (find_fde): Call it.
11658 (__register_frame_info): Likewise.
11659 (__register_frame_info_table): Likewise.
11660 (__deregister_frame_info): Likewise.
11662 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
11664 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
11666 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11668 * loop.c (check_dbra_loop): Enable code for reversal
11669 of some loops without a known constant loop end.
11671 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
11673 * haifa-sched.c (last_clock_var): New.
11674 (schedule_block): Initialize it.
11675 (schedule_insn): Use it to fill insn modes with issue information.
11677 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
11678 Tag trapb and next insn with TImode.
11679 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
11680 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
11681 Invoke alphaev5_align_insns as appropriate.
11682 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
11683 (MD_SCHED_VARIABLE_ISSUE): New.
11684 * alpha.md (attr type): Add multi.
11685 (define_asm_attributes): New.
11686 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
11687 (arg_home): Likewise.
11688 (fnop, unop, realign): New.
11690 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
11692 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
11693 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
11695 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
11696 (rs6000-ibm-aix4.[12]*): Likewise.
11697 * configure: Regnerate.
11699 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
11701 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
11702 already contains the return address.
11704 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
11706 * calls.c (expand_call): Use bitfield instructions to extract/deposit
11707 word sized hunks when loading unaligned args into registers.
11709 * haifa-sched.c (sched_analyze_insn): Only create scheduling
11710 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
11712 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
11714 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11716 * loop.c (check_dbra_loop): Add some code that would allow reversal
11717 of some loops without a known constant loop end if it were enabled.
11719 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
11721 * mips.md (lshrsi3_internal2+2): Fix type-o.
11723 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11725 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
11726 correctly with regards to stdio.h.
11728 * calls.c: Remove stdarg.h/varargs.h.
11729 * cccp.c: Likewise.
11730 * cexp.y: Likewise.
11731 * combine.c: Likewise.
11732 * cpperror.c: Likewise.
11733 * cpplib.c: Likewise.
11734 * cpplib.h: Likewise.
11735 * doprint.c: Likewise.
11736 * emit-rtl.c: Likewise.
11737 * final.c: Likewise.
11738 * fix-header.c: Likewise.
11740 * genattr.c: Likewise.
11741 * genattrtab.c: Likewise.
11742 * gencodes.c: Likewise.
11743 * genconfig.c: Likewise.
11744 * genemit.c: Likewise.
11745 * genextract.c: Likewise.
11746 * genflags.c: Likewise.
11747 * genopinit.c: Likewise.
11748 * genoutput.c: Likewise.
11749 * genpeep.c: Likewise.
11750 * genrecog.c: Likewise.
11751 * mips-tfile.c: Likewise.
11752 * prefix.c: Likewise.
11753 * protoize.c: Likewise.
11754 * regmove.c: Likewise.
11755 * toplev.c: Likewise.
11756 * tree.c: Likewise.
11758 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
11760 * config/sparc/sparc.c (sparc_override_options): If not
11761 TARGET_FPU, turn off TARGET_VIS.
11762 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
11763 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
11764 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
11765 (movdi_insn_sp64): Add VIS fzero alternative.
11766 (clear_sf, clear_df): New VIS patterns.
11767 (movsf, movdf expanders): Allow fp_zero_operand flat out when
11769 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
11771 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
11773 * loop.c (n_times_set, n_times_used, may_not_optimize,
11774 reg_single_usage): Convert to varrays. All uses changed.
11775 (insert_loop_mem): Return a value.
11776 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
11777 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
11780 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
11783 * configure.in: Do not set thread_file to "irix" since no such
11784 support exists yet.
11786 * sparc.md (float abs/neg splits): Check reload_completed before
11787 calling alter_subreg.
11789 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11791 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
11793 * config/sparc/sparc.h: Declare it.
11794 * config/sparc/sparc.md (float abs/neg splits): Use it.
11795 (all other splits): Handle SUBREGs properly where necessary.
11796 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
11798 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
11800 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
11801 an insn on the unfilled_slots_list that has no delay slots.
11802 (fill_eager_delay_slots): Similarly.
11804 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
11806 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
11807 as an ordinary operand.
11809 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
11811 * tree.c (valid_machine_attribute): Don't apply attributes to both
11814 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
11816 * reload.c (operands_match_p): Handle rtvecs.
11818 * i386.c (legitimate_pic_address_disp_p): New.
11819 (legitimate_address_p): Use it.
11820 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
11821 Handle constant pool symbols just like statics.
11822 (emit_pic_move): Use Pmode not SImode for clarity.
11823 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
11824 [UNSPEC]: New, handling what we killed above.
11825 [PLUS]: Detect and abort on invalid symbol arithmetic.
11826 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
11828 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
11830 * alias.c: Include output.h.
11831 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
11832 different if we're in a varargs function.
11833 * Makefile.in (alias.o): Depend on output.h
11835 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11837 * sh.h (GIV_SORT_CRITERION): Delete.
11839 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
11841 * regclass.c (regclass): Use xmalloc/free instead of alloca.
11842 * stupid.c (stupid_life_analysis): Ditto.
11843 * reload1.c (reload): Ditto.
11845 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
11847 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
11848 arith_double_4096_operand, arith_double_add_operand): New
11850 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
11851 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
11852 them to transform add/sub 4096 into add/sub -4096.
11854 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11856 * loop.c (scan_loop): Allocate some slop to handle pseudos
11857 generated by move_movables.
11858 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
11861 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
11863 * tree.def (DECL_RESULT): Correct documentation.
11865 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11867 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
11868 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
11869 conflicts will all RELOAD_FOR_OUTPUT reloads.
11871 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
11872 loads the function result, substitute with a USE.
11874 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@gnu.org>
11876 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
11877 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
11878 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
11879 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
11880 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
11881 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
11883 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
11884 'o' to 'm' for GPR variant constraints.
11886 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
11888 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
11890 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
11892 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
11893 when the source and destination overlap.
11895 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
11896 clash with global type.
11898 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
11900 * fixinc.irix: Add curses.h handling from fixinc.wrap.
11902 * c-common.c (combine_strings): Also set TREE_READONLY.
11903 Change warn_write_strings to flag_const_strings.
11904 * c-decl.c, c-tree.h: Likewise.
11906 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11908 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
11909 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
11910 sequence, use SET/IOR instead so CSE can see it.
11911 * config/sparc/sparc.md (movhi_const64_special,
11912 movsi_const64_special): New patterns necessitated by that change.
11913 (movhi_high): Remove.
11914 (movhi_lo_sum): Change to match an IOR.
11915 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
11916 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
11917 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
11918 (movdf splits): Allow when not V9 or when not ARCH64 and integer
11919 registers are involved.
11920 (snesi_zero_extend split): Remove reload_completed test.
11921 (unnamed plus and minus zero_extend sidi splits): Add it.
11923 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
11925 * extend.texi: Remove description of extension to explicit
11926 instantiation that is now endorsed by standard C++.
11928 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11930 * config/arc/arc.c (arc_initialize_pic): Remove.
11931 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
11932 nothing on any platform and is invoked by no-one, it does not even
11933 appear in the documentation.
11934 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
11935 * config/sparc/sparc.c (initialize_pic): Likewise.
11936 (find_addr_reg): Remove this as well, no longer referenced after
11939 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
11941 * recog.c (validate_replace_rtx_group): New function.
11942 * recog.h (validate_replace_rtx_group): Declare it.
11943 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
11944 the entire group of substitutions.
11946 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
11948 * loop.c (load_mems): Fix initializers.
11950 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11952 * config/sparc/sparc.md (TFmode splits): Handle destination
11953 registers being referenced in the address correctly.
11955 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
11956 TREE_UNSIGNED, when bitsize of type's mode is larger than
11957 HOST_BITS_PER_WIDE_INT.
11959 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
11961 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
11962 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
11963 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
11965 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
11968 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
11970 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
11971 * h8300.h (TINY_DATA_NAME_P): Likewise.
11972 (STRIP_NAME_ENCODING): Handle '&'.
11974 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
11975 register (it could be accessed via an outer SUBREG).
11976 (REG_OK_FOR_BASE_P): Likewwise.
11977 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
11979 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
11982 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
11984 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11986 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
11987 must be offsettable so the splits can be made.
11989 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
11991 * config/i386/winnt.c: Include system.h, not stdio.h to get
11992 sys/param.h pulled in before rtl.h in case the system defines MIN
11995 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@gnu.org>
11997 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
11999 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
12001 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
12003 * cpplib.c (cpp_define): Handle macros with parameters.
12005 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@gnu.org>
12007 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
12008 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
12009 and DImode 64-bit. Use llong for minimal-toc SFmode and
12010 SYMBOL_REF / LABEL_REF 64-bit.
12011 (output_function_profiler): Use llong for profiler label and ld to
12012 load 64-bit label address.
12014 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
12016 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
12019 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
12021 * version.c: Bump for snapshot.
12023 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
12025 * version.c: Bump for snapshot.
12027 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
12029 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
12031 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
12033 * tm.texi (Misc): Fix typo "teh".
12035 * tm.texi (PIC): Fix typo "PPIC".
12037 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
12038 effect when -O2 and higher.
12039 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
12041 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
12043 * regclass.c: Changed register set documentation to be consistent
12044 with GCC behaviour.
12046 * final.c (final_start_function) Removed redundant test for
12049 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
12051 * rtl.h (rtx_function): New type.
12052 (for_each_rtx): New function.
12053 * rtlanal.c (for_each_rtx): Define it.
12055 * recog.c (change_t): New type.
12056 (change_objects, change_old_codes, change_locs, change_olds):
12058 (changes): New variable.
12059 (validate_change): Dynamically allocate room for more changes, if
12060 necessary. Uses changes array instead of change_objects, etc.
12061 (apply_change_group): Use changes array instead of
12062 change_objects, etc.
12064 * loop.c (loop_mem_info): New type.
12065 (loop_mems): New variable.
12066 (loop_mems_idx): Likewise.
12067 (looop_mems_allocated): Likewise.
12068 (scan_loop): Remove nregs parameter.
12069 (next_insn_in_loop): New function.
12070 (load_mems_and_recount_loop_regs_set): Likewise.
12071 (load_mems): Likewise.
12072 (insert_loop_mem): Likewise.
12073 (replace_loop_mem): Likewise.
12074 (replace_label): Likewise.
12075 (INSN_IN_RANGE_P): New macro.
12076 (loop_optimize): Don't pass max_reg_num() to scan_loop.
12077 (scan_loop): Remove nregs parameter, compute it after any new
12078 registers are created by load_mems. Use INSN_IN_RANGE_P and
12079 next_insn_in_loop rather than expanding them inline. Call
12080 load_mems to load memory into pseudos, if appropriate.
12081 (prescan_loop): Figure out whether or not there are jumps from the
12082 loop to targets other than the label immediately following the
12083 loop. Call insert_loop_mem to notice all the MEMs used in the
12084 loop, if it could be safe to pull MEMs into REGs for the duration
12086 (strength_reduce): Use next_insn_in_loop. Tweak comments.
12088 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
12090 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
12092 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12094 * config/sparc/sparc.c (finalize_pic): Check for the correct
12095 nonlocal_goto_receiver UNSPEC number.
12096 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
12097 making note of this dependency existing in sparc.c
12098 (negtf2_notv9 split): Give NEG SFmode.
12099 (negsf2): Fix insn output string.
12101 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
12103 * c-common.c (decl_attributes): Issue an error if the argument
12104 to alias is not a string.
12106 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
12108 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
12109 pending memory flush list.
12111 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
12113 (try_combine): Allow combining insns with REG_LIBCALL notes.
12115 * expr.c (emit_block_move): Do not call memcpy as a libcall
12116 instead build up a CALL_EXPR and call it like any other
12118 (clear_storage): Similarly for memset.
12120 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
12123 * Makefile.in (cplus-dem.o): Provide explicit rules for building
12126 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
12127 and REG_LIVE_LENGTH as successful substitutions are made.
12129 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12131 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
12132 statement after end of loop label.
12134 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12136 * config/sparc/sparc.c (ultra_types_avail): New variable.
12137 (ultra_build_types_avail): New function to record mask of insn
12138 types in ready list at this cycle.
12139 (ultrasparc_sched_reorder): Call it.
12140 (ultra_find_type): Use it to quicken the search. Also simplif
12141 dependency check, don't use rtx_equal_p because we know exactly
12142 what we are looking for.
12144 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
12146 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
12147 for architecture v4.
12149 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12151 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
12153 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
12154 movdf_const_intreg and helper splits): New patterns to move float
12155 constants into integer registers.
12156 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
12159 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
12162 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
12164 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
12166 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
12167 a BASE_REGS register is needed as an intermediate when copying
12168 a symbolic value into any register class other than BASE_REGS.
12170 * expr.c (move_by_pieces): No longer static. Remove prototype.
12171 * rtl.h (move_by_pieces): Add extern prototype.
12172 * mips.c (expand_block_move): Handle aligned straight line copy by
12173 calling move_by_pieces.
12175 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
12178 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
12180 * stmt.c (expand_end_loop): Tidy. Allow unconditional
12181 jumps out of the loop to be treated as part of the exit test.
12183 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12184 Jeff Law <law@cygnus.com>
12186 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
12187 * cplus-dem.c: Delete.
12189 * Makefile.in (fold-const.o): depend on $(RTL_H).
12191 * fold-const.c: Include rtl.h to get the prototype for
12192 `set_identifier_local_value'.
12194 * loop.c (express_from_1): Remove unused variable `tmp'.
12195 (combine_givs): cast the first argument of bzero to char *.
12197 * toplev.c (display_help): Remove unused variable `looking_for_start'.
12199 * c-decl.c (init_decl_processing): Remove unneeded &.
12201 * alpha.h (alpha_initialize_trampoline): Provide prototype.
12203 * except.c (set_exception_lang_code, set_exception_version_code):
12204 Change parameter from `short' to `int' to avoid using a gcc
12207 * except.h (set_exception_lang_code, set_exception_version_code):
12208 Likewise for prototypes.
12210 * flow.c (count_reg_references): Remove unused variables `regno'
12213 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
12215 * prefix.c (translate_name): Cast the result of `alloca'.
12217 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
12219 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
12221 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
12222 Include "toplev.h".
12223 (valid_dbcc_comparison_p): Mark mode argument as unused.
12224 (symbolic_operand): Likewise.
12225 (legitimize_pic_address): Likewise.
12226 (const_uint32_operand): Likewise.
12227 (const_sint32_operand): Likewise.
12228 * sched.c [!INSN_SCHEDULING]: Define only dummy function
12229 schedule_insns and comment out rest of file.
12231 * m68k.c (output_move_simode_const): Use subl to move a zero into an
12233 (output_move_[hq]imode): Likewise.
12235 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
12237 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
12238 * invoke.texi: Corresponding changes.
12240 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
12242 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
12244 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12246 * config/sparc/sparc.c (ultra_code_from_mask,
12247 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
12248 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
12249 ultrasparc_sched_init, ultrasparc_variable_issue,
12250 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
12251 functions to describe UltraSPARC pipeline exactly to Haifa.
12252 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
12253 as there is nothing the scheduler can do about it. Indicate that
12254 REG_DEP_OUTPUT's collide. Fixup formatting.
12255 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
12256 divide costs on Ultra for DImode.
12257 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
12259 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
12260 ieuN and add call_no_delay_slot to type list.
12261 (cti function unit): New unit for branches on UltraSPARC.
12262 (subx/addx insns): Set type to misc.
12263 (sidi zero/sign extension insns on arch64): Set type to shift.
12264 (sign_extendhidi2_insn): Set type to sload.
12266 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@gnu.org>
12268 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
12269 (output_epilog): Use if != 0 for offset.
12270 (rs6000_fatal_bad_address): Prepare for Intl.
12271 * rs6000.h (rs6000_fatal_bad_address): Declare.
12272 * rs6000.md (movsfcc, movdfcc): Use else if.
12273 (elf_high): Use {liu|lis}.
12274 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
12275 (movsi): Use rs6000_fatal_bad_address.
12277 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
12279 * reload.c (find_equiv_reg): Reject equivalences separated
12280 by a volatile instruction.
12282 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12284 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
12286 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
12288 * alpha.md (movsicc): Fix mode mismatch.
12290 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
12292 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
12294 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
12296 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12298 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
12299 write-only modifier from operand 1 constraint.
12301 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12303 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
12304 emitting a XOR of -1 at the end, emit a NOT instead for combine's
12306 (sparc_emit_set_const64): Likewise, also when computing trailing
12307 bits do not negate low_bits and make fast_int an int.
12309 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
12311 * loop.c (add_label_notes): Do not ignore references to labels
12312 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
12313 * gcse.c (add_label_notes): Similarly.
12315 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
12317 * m68k.md (adddi_dilshr32): One of the operands must be a register.
12318 (adddi_dishl32): Similarly.
12320 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
12322 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
12323 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
12324 * cse.c (cse_basic_block): Add parens to shut up warnings.
12326 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12328 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
12329 sparc_emit_set_const64_longway, const64_is_2insns,
12330 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
12331 in 64-bit constant formation.
12332 * config/sparc/sparc.md (snesi_zero_extend split): Generate
12333 rtl for addx not subx.
12334 (define_insn movdi_const64_special): Make available even when
12335 HOST_BITS_PER_WIDE_INT is not 64.
12336 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
12337 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
12338 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
12339 instances of operand 1 inside a QI subreg.
12340 (xordi3_sp64_dbl): Remove '%' constraint for op1.
12341 (one_cmpldi2_sp64): Fix output string.
12342 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
12344 (unnamed arch64 ashift DI): Truncate shift count if greater than
12347 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
12349 * expr.c (store_expr): Don't optimize away load-store pair
12350 when either source or destination have a side effect.
12352 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
12354 * genrecog.c (add_to_sequence): Fatal error if the modes of the
12355 operands of SET are incompatible.
12357 * alpha.md: Fix max and min patterns so modes of SET operands match.
12359 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
12361 * configure.in: Avoid [[ by using test and changequote.
12362 * configure: Rebuild.
12364 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12366 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
12368 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
12369 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
12370 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
12371 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
12372 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
12373 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
12374 Fix mismatching modes in SET operands.
12375 (conditional move patterns): Fix formatting.
12376 (unnamed subx arch64 pattern): Remove duplicate insn.
12378 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12380 * config/sparc/sparc.c (const64_operand, const64_high_operand):
12381 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
12382 (input_operand): Fixup test for what we accept for constant
12384 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
12386 (safe_constDI): Remove.
12387 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
12388 gen_safe_XOR64): New functions.
12389 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
12390 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
12392 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
12393 available when HOST_BITS_PER_WIDE_INT is not 64.
12394 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
12395 move before movdi_insn_sp64 pattern.
12396 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
12397 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
12398 symbolic_operand as predicate for second operand.
12399 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
12400 expander): Give set VOIDmode.
12402 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
12404 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
12406 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
12408 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
12410 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
12412 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
12414 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
12416 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
12418 * install.texi: Various SCO OpenServer tweaks.
12420 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
12422 * reload1.c (eliminate_regs_in_insn): Handle another case when
12423 eliminating the frame pointer to the hard frame pointer. Add
12424 missing ep->to_rtx check to one existing case.
12426 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
12428 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
12430 * tree.h: De-conditionalize init_priority code.
12432 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
12433 * collect2.c (NM_FLAGS): Change from -p to -n.
12435 * configure.in: Turn on collect2 for mipstx39-elf.
12436 Handle use_collect2=no properly.
12438 * c-common.c: De-conditionalize init_priority code.
12439 * collect2.c (extract_init_priority, sort_ids): New fns.
12440 (main): Call sort_ids.
12441 Move sequence_number to file scope.
12443 * configure.in: Handle --enable-init-priority.
12444 * c-common.c (attrs): Add A_INIT_PRIORITY.
12445 (init_attributes, decl_attributes): Likewise.
12446 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
12447 * tree.c (get_file_function_name_long): Split out...
12448 (get_file_function_name): ...from here.
12450 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
12452 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
12455 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
12457 * toplev.c (display_help): Add braces to shut up warnings.
12458 * tree.c (simple_cst_equal): Likewise.
12460 * fold-const.c (non_lvalue): Don't deal with null pointer
12462 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
12464 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
12465 of any size to a pointer.
12467 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
12469 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
12471 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
12473 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
12474 which will be saved.
12475 * mn10300.md (prologue insn): Only save registers which need saving.
12476 (epilogue insn): Similarly.
12478 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
12481 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
12483 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
12484 VAR_DECL's in gp addressable sections.
12486 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
12488 * sparc.c: Change return <exp> to <exp>; return; in functions
12490 * sparc.md: Add empty semicolon statement after final label in
12493 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12495 * config/sparc/sparc.md (define_insn addx_extend): Rename to
12496 addx_extend_sp64, only allow when TARGET_ARCH64.
12497 (define_insn addx_extend_sp32 and split): Version that works when
12499 (define_insn subx_extend): Likewise.
12500 (define_split adddi3 and subdi3 with zero extension): Fixup and
12501 correct bugs when not TARGET_ARCH64.
12503 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
12505 * except.c (set_exception_lang_code, set_exception_version_code):
12506 Use prototype-style definition if __STDC__, to match declaration
12509 * genemit.c: Change FAIL and DONE macros not to use loops.
12511 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
12513 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
12514 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
12516 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
12518 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
12520 * README.g77: Update from Craig.
12522 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12524 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
12525 type HOST_WIDE_INT.
12526 (safe_constDI sparc_emit_set_const64_quick1,
12527 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
12528 analyze_64bit_constant, const64_is_2insns,
12529 create_simple_focus_bits): Fix some bugs when compiled on real
12531 (function_arg_record_value_3, function_arg_record_value_2,
12532 function_arg_record_value): Add fully prototyped forward decls.
12533 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
12534 to cmpsi_insn and use on both 64 and 32 bit targets.
12535 (define_insn cmpsi_insn_sp64): Remove.
12536 (define_expand zero_extendsidi2): Allow for 32-bit target too.
12537 (define_insn zero_extendsidi2_insn): Rename to
12538 zero_extendsidi2_insn_sp64.
12539 (define_insn zero_extendsidi2_insn_sp32): New pattern and
12540 assosciated forced split for it.
12542 * config/sparc/sparc.c (const64_operand, const64_high_operand):
12544 * config/sparc/sparc.h: Declare them.
12545 (PREDICATE_CODES): Add them.
12546 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
12547 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
12549 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
12551 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
12552 in v9 case as the latter makes the Solaris assembler crash.
12554 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12556 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
12557 for TFmode when !v9. We require offsettable memory addresses.
12558 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
12559 DFmode register number conversions.
12560 * config/sparc/sparc.md (define_split DFmode moves): If register
12561 is a SUBREG do alter_subreg on it before using.
12562 (define_expand movtf): Fixup comment about alignment on v9.
12563 (define_split TFmode moves): Don't use gen_{high,low}part, create
12564 explicit SUBREGs instead.
12566 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
12568 * Makefile.in (mbchar.o): Depend on mbchar.c.
12570 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12571 Richard Henderson <rth@cygnus.com>
12573 Rewrite Sparc backend for better code generation and
12574 improved sparc64 support.
12575 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
12577 * config/sparc/sysv4.h: Likewise.
12578 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
12579 move_operand, v8plus_regcmp_op, emit_move_sequence,
12580 singlemove_string, doublemove_string, mem_aligned_8,
12581 output_move_double, output_move_quad, output_fp_move_double,
12582 move_quad_direction, output_fp_move_quad, output_scc_insn):
12584 (small_int_or_double): New predicate.
12585 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
12586 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
12587 old pic_{sethi,lo_sum}_si patterns.
12588 (mem_min_alignment): New generic function to replace
12589 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
12590 available and can test for arbitrary alignments. All callers
12592 (save_regs, restore_regs, build_big_number,
12593 output_function_prologue, output_cbranch, output_return,
12594 sparc_flat_save_restore, sparc_flat_output_function_prologue,
12595 sparc_flat_output_function_epilogue): Prettify
12597 (output_function_epilogue): Likewise and add code to output
12598 deferred case vectors.
12599 (output_v9branch): Likewise, add new arg INSN and use it to tack
12600 on branch prediction settings. All callers changed.
12601 (print_operand): Likewise and output %l44 for LO_SUMs when
12603 (sparc_splitdi_legitimate): New function to make sure DImode
12604 splits can be run properly when !arch64.
12605 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
12606 Reformat example code in comments.
12607 (set_extends): Remove UNSPEC/v8plus_clear_high case.
12608 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
12609 of deferred case vectors we need to output.
12610 (sparc_defer_case_vector): Record a case vector.
12611 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
12612 sparc_output_deferred_case_vectors): New functions to output them.
12613 (sparc_emit_set_const32): New function to form 32-bit constants in
12614 registers when that requires more than one instruction.
12615 (safe_constDI, sparc_emit_set_const64_quick1,
12616 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
12617 analyze_64bit_constant, const64_is_2insns,
12618 create_simple_focus_bits, sparc_emit_set_const64): New functions
12619 which do the same for 64-bit constants when arch64.
12620 (sparc_emit_set_symbolic_const64): New function to emit address
12621 loading for all code models on v9.
12622 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
12623 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
12624 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
12625 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
12626 inaccuracies in comments, add symbolic and text_segment operands
12627 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
12628 GENERAL_REGS in these cases as a temp REG is needed to load these
12629 addresses into a register properly.
12630 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
12632 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
12633 quads are guarenteed to have 16-byte alignment.
12634 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
12635 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
12636 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
12637 deferred case vector implementation.
12638 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
12639 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
12640 Generate "internal label - label" instead of "label - 1b".
12641 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
12642 (PREDICATE_CODES): Remove sparc_operand, move_operand,
12643 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
12645 (doublemove_string, output_block_move, output_fp_move_double,
12646 output_fp_move_quad, output_move_double, output_move_quad,
12647 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
12648 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
12649 (sparc_emit_set_const32, sparc_emit_set_const64,
12650 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
12651 mem_min_alignment, small_int_or_double): Add externs.
12652 * config/sparc/sparc.md: Document the many uses of UNSPEC and
12653 UNSPEC_VOLATILE in this backend.
12654 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
12655 unary to types which execute in it.
12656 (define_function_unit ieu_shift): Rename to ieu0.
12657 (define_function_unit ieu1): New, executes compare, call, and
12658 uncond_branch type insns.
12659 (define_function_units for type fdivs, fdivd, fsqrt): These
12660 execute in the fpu multiply unit not the adder on UltraSparc.
12661 (define_expand cmpdi): Disallow TARGET_V8PLUS.
12662 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
12663 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
12664 allows the arith_double_operand predicate and rHI constraint when
12666 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
12667 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
12668 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
12669 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
12670 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
12671 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
12672 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
12673 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
12674 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
12675 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
12676 sign_extendqihi2_insn, sign_extendqisi2_insn,
12677 sign_extendqidi2_insn, sign_extendhidi2_insn,
12678 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
12679 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
12680 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
12681 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
12682 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
12683 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
12684 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
12685 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
12686 smulsi3_highpart_v8plus, unnamed subreg mult,
12687 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
12688 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
12689 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
12690 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
12691 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
12692 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
12693 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
12694 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
12695 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
12696 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
12697 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
12698 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
12699 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
12700 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
12701 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
12702 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
12703 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
12704 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
12705 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
12706 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
12707 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
12708 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
12709 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
12710 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
12711 call_address_untyped_struct_value_sp32,
12712 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
12713 call_value_symbolic_sp32, call_value_address_sp64,
12714 call_value_symbolic_sp64, branch_sp32, branch_sp64,
12715 flush_register_windows, goto_handler_and_restore,
12716 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
12717 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
12718 return_addsi, return_di, return_adddi, return_sf, all call+jump
12719 peepholes, trap, unnamed trap insns): Prettify output strings.
12720 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
12721 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
12722 Likewise and force + implement splits for integer cases.
12723 (define_insn return_sf_no_fpu): Likewise and allow to match when
12724 no-fpu because of our subreg SFmode splits.
12725 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
12726 zero_extendqidi2_insn, zero_extendhidi2_insn,
12727 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
12728 input_operand for second operand.
12729 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
12730 reg_or_0_operand for operand 2 so new splits can use it.
12731 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
12732 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
12734 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
12735 CONST_DOUBLEs for operand 2.
12736 (define_insn move_label_di): Likewise and label distance
12737 optimization because it no longer works with new deferred case
12738 vector scheme. To be revisited.
12739 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
12740 and allow reg_or_0_operand and J constraint for second operand.
12741 (define_insn jump): Set branch predict taken on V9.
12742 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
12743 new deferred case vector scheme.
12744 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
12745 (define_insn negdi2_sp32): Force + implement splits.
12746 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
12747 one_cmplsi2_not_liveg0 respectively, and create expander of original
12748 names which emit special rtl for TARGET_LIVE_G0.
12749 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
12750 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
12751 gen_compare_reg, FAIL instead.
12752 (define_insn sgtu, sleu): Likewise and check gen_s*() return
12753 values when trying to reverse condition codes, if they FAIL then
12755 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
12756 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
12757 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
12758 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
12759 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
12760 set output string to # to indicate they are mandatory splits.
12761 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
12762 pic_sethi_di, move_pic_label_si): Remove.
12763 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
12764 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
12766 (define_expand movsi_pic_label_ref, define_insn
12767 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
12768 expander and insns to handle PIC label references and deferred
12770 (define_insn get_pc_via_rdpc): Comment out as it is no longer
12772 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
12773 Rewrite to not use emit_move_sequence, make use of new constant
12774 formation code, and new splits for all multi-insn cases.
12775 (define_insn movqi_insn): Remove sethi case, it can never happen.
12776 Use reg_or_zero_operand instead of const0_rtx explicit test,
12777 use input_operand instead of move_operand for source, and use
12778 general_operand now for dest.
12779 (define_insn movhi_insn): Similar but leave sethi case.
12780 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
12781 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
12782 movhi_lo_sum respectively, prettify output string.
12783 (define_insn movsi_zero_liveg0): New pattern to put zero into a
12784 register when needed on TARGET_LIVE_G0.
12785 (define_insn movsi_insn): Use general_operand and input_operand
12786 for dest and src respectively. Simplify applicability test.
12787 Prettify output strings, and add clr alternative for J
12789 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
12790 deprecated std and reg-reg DI moves): Remove and...
12791 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
12792 implementation which uses forced splits for all non-single insn
12794 (define_split DI move cases on !arch64): New splits to handle all
12795 situations of 64-bit double register DImode on 32bit, and
12796 unaligned registers and memory addresses for all subtargets.
12797 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
12799 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
12800 input_operand for dest and src respectively, prettify output
12802 (define_insn movdf_insn, movdf_no_e_insn, store_df,
12803 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
12805 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
12806 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
12807 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
12808 movtf_no_e_insn_sp64) Replace with new
12809 implementation which uses forced splits for all non-single insn
12811 (define_split DF move cases): New splits in similar vein to DI
12813 (define_insn sethi_di_medlow, sethi_di_medium_pic,
12814 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
12815 movdi_sp64_insn): Remove old v9 code model and constant loading
12816 support insns and..
12817 (define_insn pic_lo_sum_di, pic_sethi_di,
12818 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
12819 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
12820 embmedany_sethi, embmedany_losum, embmedany_brsum,
12821 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
12822 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
12823 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
12824 scheme, using unspecs, secondary reloads, and one to one sparc
12825 insn to rtl insn mapping for better scheduling and code gen.
12826 (define_expand reload_indi, reload_outdi): Reload helpers for
12827 MEDANY and EMBMEDANY symbol address loading cases which require a
12828 temporary register.
12829 (define_expand movsicc): Remove v8plus_regcmp cases.
12830 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
12831 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
12832 cmp_diqi_trunc_set): New patterns used by some of the new scc
12834 (define_insn xordi3_sp64_dbl): New pattern used for constant
12835 formation when crossing from 32-bit targets.
12836 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
12838 (define_insn addx, subx): Make visible and prettify.
12839 (define_insn adddi3_insn_sp32): Likewise and force split.
12840 (define_insn addx_extend, subx_extend, unnamed): New patterns for
12841 64bit scc split usage.
12842 (define_insn unnamed plusDI zero_extend, unnamed minusDI
12843 zero_extend, subdi3): Force and implement splits.
12845 * final.c (final_scan_insn): Don't output labels if target
12846 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
12849 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
12850 don't forget to walk inside SEQUENCESs too as these are what the
12851 delay slot scheduler will create.
12853 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
12855 * alpha.md (extxl+1,+2): New patterns to work around
12858 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
12860 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
12861 caused bad assembly code to be generated.
12863 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
12865 * netbsd.h: Fix typo.
12867 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
12869 * config.sub: Fix typo.
12871 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
12873 * invoke.texi (Environment Variables): Typo: Change "ascpects"
12875 (Running Protoize): Typo: Change "ther" into "other".
12877 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
12879 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
12880 * m68k/netbsd.h: Likewise.
12881 * ns32k/netbsd.h: Likewise.
12882 * sparc/netbsd.h: Likewise.
12884 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
12886 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
12887 * ginclude/va-clipper.h (va_list): Likewise.
12889 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
12891 * rs6000.c (rs6000_override_options): If big endian and -Os, use
12892 load/store multiple instructions unless user overrides.
12894 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
12896 * ns32k/netbsd.h: Fix typo.
12898 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
12900 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
12901 labels with .debugsym if no parallel insns.
12903 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
12905 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
12906 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
12908 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@gnu.org>
12910 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
12911 (AR_FOR_TARGET): Define.
12913 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
12915 * dyn-string.h: New file.
12916 * dyn-string.c: Likewise.
12917 * Makefile.in (OBJS): Add dyn-string.o.
12918 (dwarf2out.o): Add dyn-string.h dependency.
12919 (dyn-string.o): List dependencies.
12920 * dwarf2out.c: Include dyn-string.h.
12921 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
12922 (addr_const_to_string): Take a dyn_string_t, not a char* as a
12923 prototype. Use dyn_string_append rather than strcat, throughout.
12924 (addr_to_string): Use dyn_string_t.
12926 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
12928 Function entry/exit profiling instrumentation:
12929 * expr.h (profile_function_entry_libfunc,
12930 profile_function_exit_libfunc): Declare new variables.
12931 * optabs.c: Define them here.
12932 (init_optabs): Initialize them.
12933 * tree.h (struct tree_decl): New flag
12934 no_instrument_function_entry_exit.
12935 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
12936 * c-decl.c (duplicate_decls): Merge it.
12937 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
12938 (init_attributes): Use it for "no_instrument_function".
12939 (decl_attributes): Handle it, for functions that have not yet been
12940 compiled. Set decl flag.
12941 * flags.h (flag_instrument_function_entry_exit): Declare new
12943 * toplev.c (flag_instrument_function_entry_exit): Define it here.
12944 (f_options): New option "instrument-functions".
12945 * function.h (struct function): New field instrument_entry_exit.
12946 * function.c (current_function_instrument_entry_exit): New
12948 (push_function_context_to, pop_function_context_from): Save and
12950 (expand_function_start): Set current_ variable, maybe emit return
12951 label and entry profile call.
12952 (expand_function_end): Maybe emit exit profile call.
12954 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
12956 * i386.md (movqi): When optimizing a load of (const_int 1) into a
12957 NON_QI_REG_P, pretend the register is SImode.
12959 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
12961 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
12962 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
12963 manufacturer id for ns32k.
12964 * configure: Regenerated.
12965 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
12966 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
12967 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
12968 * config/m68k/netbsd.h: Same.
12969 * config/ns32k/netbsd.h: Same.
12970 * config/sparc/netbsd.h: Same.
12972 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
12974 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
12975 or UNROLL_COMPLETELY loop that starts with a jump to its
12978 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@gnu.org>
12980 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
12981 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
12982 (print_operand, case 'B'): Don't fall through.
12983 (print_operand, case 'S'): Correct mask begin/end computation.
12984 Use HOST_BITS_PER_WIDE_INT.
12985 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
12986 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
12987 * rs6000/aix41.h (CPP_PREDEFINES): Same.
12988 * rs6000/aix43.h (CPP_PREDEFINES): Same.
12990 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
12992 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
12993 constraint from second alternative.
12995 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
12997 * configure.in: Fix --without/--disable cases for local-prefix,
12998 gxx-include-dir and checking.
13000 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13002 * configure.in (enable_haifa): Set by default for sparc64 too.
13003 configure: Rebuilt.
13005 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
13007 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
13008 * i386/winnt.c (associated_type): New fn.
13009 (i386_pe_valid_type_attribute_p): New fn.
13010 (i386_pe_check_vtable_importexport): Remove.
13011 (i386_pe_dllexport_p): Use associated_type.
13012 (i386_pe_dllimport_p): Likewise.
13014 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
13015 * i386.c (i386_valid_type_attribute_p): Also accept
13016 attributes for METHOD_TYPEs.
13018 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
13020 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
13022 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
13024 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
13026 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
13027 them from generating a new base name for each occurence of
13030 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
13032 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
13034 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
13038 * cplus-dem.c (type_kind_t): New type.
13039 (demangle_template_value_parm): Add type_kind_t parameter. Rely
13040 on this paramter, rather than demangling the type again.
13041 (demangle_integral_value): Pass tk_integral.
13042 (demangle_template_: Pass the value returned from do_type.
13043 (do_type): Return a type_kind_t. Pass tk_integral to
13044 demangle_template_value_parm for array bounds.
13045 (demangle_fund_type): Likewise.
13047 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
13049 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
13052 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
13054 * pa.c (move_operand): Accept CONSTANT_P_RTX.
13056 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
13058 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
13060 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
13063 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
13065 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
13066 (DEBUGGER_ARG_OFFSET): Likewise.
13068 * mn10300.md (movsf): Remove last change. Not needed.
13070 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
13072 * c-lex.c (yylex): Fix boundary conditions in character literal and
13073 string literal loops.
13075 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
13077 * longlong.h (count_leading_zeros): Sparclite scan instruction was
13078 being invoked incorrectly.
13080 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
13081 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
13083 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
13084 * configure.in: Added i[34567]86-*-win32
13085 * config.sub: Ditto.
13086 * configure: Rebuilt.
13088 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
13090 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
13091 the frame pointer and compiling PIC code and reload has not completed.
13093 * i386.c (output_to_reg): Add code to emulate non-popping DImode
13096 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
13098 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
13100 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
13102 * Makefile.in (install-info): Only try to update the info
13103 directory file if it exists in the first place.
13105 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
13107 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
13109 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
13111 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
13112 CONST_DOUBLE source.
13114 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
13116 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
13117 strings as the insertion of USER_LABEL_PREFIX.
13118 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
13120 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
13123 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
13125 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
13126 already defined type.
13128 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
13130 * expr.c (check_max_integer_computation_mode): Allow conversions
13131 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
13132 (expand_expr): Likewise.
13134 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
13136 * expr.c (expand_expr): Expand RETURN_EXPR.
13138 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
13140 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
13142 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
13144 * dwarf2out.c (output_aranges): Call stripattributes
13145 for TEXT_SECTION references.
13146 (output_line_info): Likewise.
13148 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13150 * profile.c (branch_prob): Call allocate_reg_info after outputting
13151 profile rtl in instrument_arcs.
13153 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
13155 * fixinc.irix (math.h): Install wrapper instead of copying.
13157 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
13159 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
13160 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
13161 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
13162 lang_flag_0. Added documentation in the flag table.
13164 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
13166 * cccp.c (do_include): Fix vax c style include handling.
13168 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
13170 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
13172 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
13174 * fold-const.c (non_lvalue): Don't deal with null pointer
13176 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
13178 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@gnu.org>
13180 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
13181 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
13182 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
13183 (u_short_cint_operand): Same.
13184 (reg_or_cint_operand): Same.
13185 (logical_operand): Same.
13186 (input_operand): Same.
13187 (reg_or_short_operand): Use u_short_cint_operand.
13189 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
13191 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
13192 but keep the insns and splits. Adjust so when the ultimate destination
13193 is memory, use cvtql.
13195 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
13197 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
13199 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
13201 * gcc.c (do_spec): Call "error" not "warning".
13203 * configure.in: Fix minor problems with gas feature detection code.
13204 * configure: Rebuilt.
13206 * gcc.c (do_spec): Issue a warning for '%[]' usage.
13208 * Undo this change.
13209 * gcc.c: Delete %[spec] support.
13210 (do_spec_1, case '('): Likewise.
13211 (do_spec_1, case '['): Call error.
13213 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
13215 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
13216 (CPP_SUBTARGET_SPEC): Default to empty string.
13217 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
13218 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
13219 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
13220 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
13222 * alpha/linux.h (CPP_PREDEFINES): Tidy.
13223 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
13224 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
13225 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
13226 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
13227 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
13228 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
13229 * alpha/vxworks.h: Likewise.
13231 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
13233 * mips.md (reload_outsi): Added missing REGNO call.
13234 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
13236 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
13237 another match_operator and compare the codes.
13239 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
13241 * MIPS multiply pattern fixes:
13242 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
13243 Add union classes for HI, LO, or HILO plus general registers.
13244 (GENERATE_MADD): Deleted.
13245 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
13246 Add TARGET_MAD to condition.
13247 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
13248 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
13249 "*d" for accumulator, to give preference to LO initially but not
13252 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
13254 * configure.in (enable_c_mbchar): New configure option.
13255 (extra_cpp_objs): Always available now.
13257 * cexp.y (mbchar.h): #include it.
13258 (yylex): Handle Multibyte characters in character literals.
13260 * cccp.c (mbchar.h): #include it.
13261 (main): Set character set based on LANG environment variable.
13262 (rescan): Handle multibyte characters in comments.
13263 (skip_if_group): See above.
13264 (validate_else): See above.
13265 (skip_to_end_of_comment): See above.
13266 (macarg1): See above.
13267 (discard_comments): See above.
13268 (rescan): Handle multibyte characters in string and character literals.
13269 (collect_expansion): See above.
13270 (skip_quoted_string): See above.
13271 (macroexpand): See above.
13272 (macarg1): See above.
13273 (discard_comments): See above.
13274 (change_newlines): See above.
13276 * c-lex.c (mbchar.h): #include it.
13277 (GET_ENVIRONMENT): New macro.
13278 (init_lex): Set character set based on LANG environment variable.
13279 (yylex): Handle multibyte characters in character literals.
13280 (yylex): Handle multibyte characters in string literals.
13282 * Makefile.in (mbchar.o): New target.
13283 (cccp$(exeext)): @extra_cpp_objs@ is always available.
13284 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
13286 * mbchar.[ch]: New files for multibyte character handling.
13288 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13290 * jump.c (jump_optimize): When simplifying noop moves and
13291 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
13292 the PUSHes to rewrite in second loop as we did in the first.
13294 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13296 * cplus-dem.c (demangle_nested_args): Make function definition
13297 static to match the prototype.
13299 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
13301 * alloca.c: Respect USE_C_ALLOCA.
13302 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
13303 * gengenrtl.c (xmalloc): Likewise.
13305 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
13307 * loop.h (struct induction): Add no_const_addval.
13308 * loop.c (the_movables, reg_address_cost): New variables.
13309 (init_loop): Init reg_address_cost.
13310 (loop_optimize): Call end_alias_analysis.
13311 (scan_loop): Init the_movables.
13312 (record_giv): Init induction->no_const_addval.
13313 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
13314 [REG]: Rearrange loop search test to catch more cases.
13315 (general_induction_var): Return success not benefit; take an extra
13316 argument for that. Change all callers.
13317 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
13318 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
13319 [default]: Search the_movables for additional combinations.
13320 (sge_plus_constant, sge_plus): New functions.
13321 (express_from_1): New function.
13322 (express_from): Always define. Rewrite using express_from_1.
13323 (combine_givs_p): Handle more cases. Ignore address cost.
13324 (cmp_combine_givs_stats): New function.
13325 (combine_givs_used_once, combine_givs_benefit_from): New functions.
13326 (combine_givs): Rewrite to do best-fit combination.
13328 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
13329 (fold): Do a complete (A*C)+(B*C) association check.
13331 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
13333 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
13335 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
13337 * mn10300.c (MODES_TIEABLE_P): Fix typo.
13339 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
13341 * tree.c (valid_machine_attribute): Only create a new type variant if
13342 there is a decl to use it.
13344 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
13346 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
13349 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
13351 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
13354 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
13356 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
13357 Simplify tests for clearing an address register.
13358 (expand_prologue): Corresponding changes.
13360 * mn10300.md (movXX patterns): Make sure the destination is an
13361 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
13362 (logical patterns): Split into expanders + patterns
13363 (zero and sign extension patterns): Similarly.
13364 (shift patterns): Similarly.
13366 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
13368 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
13369 for the sequence, recording base values.
13371 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
13373 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
13375 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
13377 * gcc.c: Remove ANSI-C ism from --help code.
13379 * toplev.c: Support --help with USE_CPPLIB.
13381 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
13383 * configure.in: Rework gas feature code to work with symlink based
13386 * extend.texi: Clarify some issues related to local variables
13387 assigned to explicit registers.
13389 * mn10300.md (mulsi): Turn into expander + pattern.
13391 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
13394 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
13396 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
13398 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
13400 * version.c: Bump again to distinguish mainline tree from the
13403 See ChangeLog.0 for earlier changes.
13406 add-log-time-format: current-time-string