1 Fri Mar 26 10:48:27 1999 Nick Clifton <nickc@cygnus.com>
3 * config/arm/linux-elf.h: Include dbxelf.h
5 Fri Mar 26 10:43:47 1999 Nick Clifton <nickc@cygnus.com>
7 * config/svr4.h: Include new header file dbxelf.h.
8 (DBX_DEBUGGING_INFO): Remove definition.
9 (DBX_USE_BINCL): Remove definition.
10 (DBX_BLOCKS_FUNCTION_RELATIVE): Remove definition.
11 (ASM_IDENTIFY_GCC): Remove definition.
12 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Remove definition.
13 (ASM_OUTPUT_SOURCE_LINE): Remove definition.
14 (DBX_FUNCTION_FIRST): Remove definition.
15 (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Remove definition.
17 * config/elfos.h: Include new header file dbxelf.h.
18 (DBX_DEBUGGING_INFO): Remove definition.
19 (DBX_BLOCKS_FUNCTION_RELATIVE): Remove definition.
20 (ASM_IDENTIFY_GCC): Remove definition.
21 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Remove definition.
22 (ASM_OUTPUT_SOURCE_LINE): Remove definition.
23 (DBX_FUNCTION_FIRST): Remove definition.
25 * config/dbxelf.h: New header file.
26 (DBX_DEBUGGING_INFO): Define.
27 (DBX_BLOCKS_FUNCTION_RELATIVE): Define.
28 (DBX_FUNCTION_FIRST): Define.
29 (DBX_USE_BINCL): Define.
30 (DBX_CONTIN_LENGTH): Define.
31 (ASM_IDENTIFY_GCC): Define.
32 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Define.
33 (ASM_OUTPUT_SOURCE_LINE): Define.
34 (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Define.
36 Fri Mar 26 01:59:15 1999 "Charles M. Hannum" <root@ihack.net>
38 * fold-const.c (fold_truthop): Verify that the lhs and rhs are
39 in the same bit position when optimizing bitfield references
40 which have the same mask.
42 Thu Mar 25 22:53:27 1999 Martin von Löwis <loewis@informatik.hu-berlin.de>
44 * gcc.texi (Copy Assignment): New node.
46 1999-03-25 Zack Weinberg <zack@rabi.columbia.edu>
48 * gcc.c: Compile unconditionally all code formerly dependent
49 on #ifdef LANG_SPECIFIC_DRIVER.
50 * gccspec.c: New file with stub lang_specific_driver,
51 lang_specific_pre_link.
52 * Makefile.in: Link gccspec.o into xgcc. Add rule to compile
54 Thu Mar 25 21:08:02 1999 Jason Merrill <jason@yorick.cygnus.com>
56 * gcc.texi (Temporaries): Update.
58 Thu Mar 25 16:53:53 1999 Richard Henderson <rth@cygnus.com>
60 * combine.c (distribute_notes): Place REG_LABEL also where
63 Thu Mar 25 12:46:37 1999 Jim Wilson <wilson@cygnus.com>
65 * a29k/a29k.h (TARGET_SWITCHES): Add doc strings.
66 * i960/i960.h (TARGET_SWITCHES): Add doc strings.
67 * invoke.texi (a29k): Add documentation for -mno-multm option.
69 Thu Mar 25 14:04:54 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
71 * rtl.texi (RTX_FRAME_RELATED_P): Add documentation.
72 * rtl.h (struct rtx_def): Update comment for frame_related field.
73 (set_unique_reg_note): Declare prototype.
74 * dwarf2out.c (dwarf2out_frame_debug_expr): Split out from
75 'dwarf2out_frame_debug' to handle only expressions, and process
76 component parts of a PARALLEL expression.
77 (dwarf2out_frame_debug): Process insns only, and call
78 new function 'dwarf2out_frame_debug_expr' for patterns.
79 * emit-rtl.c (set_unique_reg_note): New function to add a reg note,
80 but if there is an existingone, deletes it first.
81 * expmed.c (expand_mult, expand_divmod): Use set_unique_reg_note.
82 * optabs.c (add_equal_note, expand_binop): Use set_unique_reg_note.
83 (emit_no_conflict_block, emit_libcall_block): Use set_unique_reg_note.
84 (expand_fix): Use set_unique_reg_note.
86 Thu Mar 25 11:47:49 1999 Art Haas <ahaas@neosoft.com>
88 * tlink.c (symbol_hash_newfunc): Remove redundant call to
90 (file_hash_newfunc, demangled_hash_newfunc): Likewise.
92 Thu Mar 25 10:05:56 1999 Richard Henderson <rth@cygnus.com>
94 * i386.h (PREFERRED_STACK_BOUNDARY): Set to 128.
96 1999-03-25 Philip Blundell <pb@nexus.co.uk>
98 Based on patch from Jim Studt <jim@federated.com>:
99 * config/arm/linux-elf.h (STARTFILE_SPEC, ENDFILE_SPEC): Copy
100 definitions from config/linux.h.
101 (DBX_BLOCKS_FUNCTION_RELATIVE): Define to 1.
103 Thu Mar 25 02:12:42 1999 Finn Hakansson <finn@axis.com>
105 * loop.c (strength_reduce): Correct a comment.
107 * rtl.h (MEM_COPY_ATTRIBUTES): Remove unnecessary ending backslash.
109 Thu Mar 25 02:02:13 1999 Axel Thimm <Axel.Thimm@physik.fu-berlin.de>
111 * Makefile.in (RANLIB_TEST): Improve test.
113 Thu Mar 25 01:15:33 1999 Donn Terry <donn@interix.com>
115 * combine.c (force_to_mode, case PLUS): Use sign extended mask
116 when masking the low bits out of a constant.
118 Tue Mar 23 15:45:25 1999 Richard Earnshaw (rearnsha@arm.com)
119 Jeff Law <law@cygnus.com>
121 * fold-const.c (make_range): If orig_type is unset, set it as soon
122 as we know the type. Remove now unnecessary set of orig_type for
125 Wed Mar 24 23:27:25 1999 Mark Elbrecht <snowball3@usa.net>
126 Jeff Law <law@cygnus.com>
128 * system.h (STDIN_FILENO): Provide default definition if one is not
129 provided by the system header files.
130 (STDOUT_FILENO, STDERR_FILENO): Likewise.
132 * i386/xm-djgpp.h (COLLECT2_HOST_INITIALIZATION): New macro.
133 * collect2.c (main): Use it.
134 (pexecute_pid): New variable. Holds return value from call to pexecute.
135 (collect2_execute): Rework to use pexecute instead of fork.
136 (collect2_wait): Use pwait() instead of wait().
138 * i386/djgpp.h: Fix typo.
140 Wed Mar 24 23:24:30 1999 Jeffrey A Law (law@cygnus.com)
142 * fixinc/mkfixinc.sh: Recognize cygwin* instead of only
145 Wed Mar 24 15:44:12 1999 Nick Clifton <nickc@cygnus.com>
147 * config/m32r/m32r.c (init_idents): Accept both NAME and __NAME__
148 versions of attribute names and values.
149 (m32r_valid_machine_decl_attribute): Ditto.
150 (m32r_encode_section_info): Ditto.
152 Wed Mar 24 21:42:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
154 * reload1.c (choose_reload_regs): If output-reloading for a
155 simple move insn, try to inherit an equivalence for the input.
157 1999-02-24 Mike Stump <mrs@wrs.com>
159 * arm/aout.h (DBX_OUTPUT_MAIN_SOURCE_FILENAME): Fix quoting.
161 1999-03-24 Jim Blandy <jimb@zwingli.cygnus.com>
163 * libgcc2.c (__CTOR_LIST__, __DTOR_LIST__): Initialize on all
166 Wed Mar 24 01:35:01 1999 Geoff Keating <geoffk@ozemail.com.au>
168 * fold-const.c (fold): Recognise a rotate by an unsigned amount.
170 Tue Mar 23 23:32:14 1999 Jeffrey A Law (law@cygnus.com)
172 * pa.md (rotlsi3): New expander. Synthesize a variable rotate
173 left using a variable rotate right. Provide anonymous pattern for
174 rotate left by a constant value.
176 * expr.c (expand_assignment): Do not try to optimize a aggregate
177 address which has VOIDmode.
179 Tue Mar 23 22:51:48 1999 Mumit Khan <khan@xraylith.wisc.edu>
180 Donn Terry <donn@interix.com>
182 * protoize.c (abspath): Preserve multiple leading slashes for
185 1999-01-23 Mike Stump <mrs@wrs.com>
187 * arm/vxarm.h: Split out vxWorks support into separate headerfile
189 * arm/arm.c (cpu_defaults): Allow arm710 as default.
191 * configure.in: Split out vxWorks support for Arm.
192 * configure: Rebuilt.
194 Tue Mar 23 11:20:03 1999 Per Bothner <bothner@cygnus.com>
196 * tree.c (first_rtl_op, has_cleanups): Handle GOTO_SUBROUTINE_EXPR.
198 Tue Mar 23 09:00:39 1999 Nick Clifton <nickc@cygnus.com>
200 * config/arm/riscix1.h (SUBTARGET_SWITCHES): Add doc string.
201 * config/arm/riscix1-1.h (SUBTARGET_SWITCHES): Add doc string.
203 Tue Mar 23 07:50:20 1999 Mark Mitchell <mark@codesourcery.com>
205 * function.c: Include hash.h.
206 (insns_for_mem_entry): New struct.
207 (put_reg_into_stack): Take an optional hash-table mapping MEMs to
208 the INSNs that use them.
209 (fixup_var_refs): Likewise.
210 (put_addressof_into_stack): Likewise.
211 (purge_addressof_1): Likewise. Keep the hash-table up to date if
212 we add new instructions.
213 (fixup_var_refs_insns): Use it to avoid searching the entire
215 (insns_for_mem_newfunc): New function.
216 (insns_for_mem_comp): Likewise.
217 (insns_for_mem_walk): Likewise.
218 (compute_insns_for_mem): Likewise.
219 (pop_function_context_from): Pass NULL for the hash-table.
220 (put_var_into_stack): Likewise.
221 (gen_mem_addressof): Likewise.
222 (flush_addressof): Likewise.
223 (purge_addressof): Call compute_insns_for_mem to pre-compute the
225 * Makefile.in (OBJS): Include hash.o.
226 (function.o): Depend on hash.h.
228 Tue Mar 23 00:39:14 1999 Jeffrey A Law (law@cygnus.com)
230 * i386/openbsd.h (TARGET_DEFAULT): Use symbolic names instead of
232 * i386/netbsd.h, i386/freebsd.h: Likewise.
234 * crtstuff.c: Use ANSI function definitions. Fix minor whitespace
237 * i386/openbsd.h (TARGET_DEFAULT): Define.
238 * configure.in: Do not set TARGET_CPU_DEFAULT for x86 OpenBSD
240 * configure: Rebuilt.
242 Tue Mar 23 00:39:10 1999 John Wehle (john@feith.com)
244 * i386/freebsd.h (TARGET_DEFAULT): Define instead
245 of TARGET_CPU_DEFAULT.
246 * i386/netbsd.h (TARGET_DEFAULT): Likewise.
248 Mon Mar 22 23:52:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
249 Donn Terry <donn@interix.com>
251 * sdbout.c (syms.h): Don't include on Interix.
252 * toplev.c (main): No sbrk on Interix.
254 * configure.in: Add i386-pc-interix support.
255 * configure: Regenerate.
256 * fixinc.interix: New file.
257 * config/interix.h: New file.
258 * config/x-interix: New file.
259 * config/xm-interix.h: New file.
260 * i386/interix.h: New file.
261 * i386/interix.c: New file.
262 * i386/t-interix: New file.
264 Mon Mar 22 23:41:49 1999 Jeffrey A Law (law@cygnus.com)
266 * i386.h (PREFERRED_STACK_BOUNDARY): Define.
268 Mon Mar 22 23:41:31 1999 John Wehle (john@feith.com)
270 * i386.c (ix86_compute_frame_size): New function.
271 (ix86_prologue, ix86_epilogue): Use it.
272 * i386.h (INITIAL_ELIMINATION_OFFSET): Likewise.
273 * reload1.c: Provide default for PREFERRED_STACK_BOUNDARY.
275 Mon Mar 22 18:06:59 1999 Jim Wilson <wilson@cygnus.com>
277 * mips/mips.h (TARGET_SWITCHES, TARGET_OPTIONS): Add option doc
279 * mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Likewise.
281 Mon Mar 22 16:18:27 1999 Nick Clifton <nickc@cygnus.com>
283 * config/arm/elf.h (VALID_MACHINE_DECL_ATTRIBUTE): Do not bother
284 passing ATTRIBUTES to arm_valid_machine_decl_attribute.
286 * config/arm/coff.h (VALID_MACHINE_DECL_ATTRIBUTE): Do not bother
287 passing ATTRIBUTES to arm_valid_machine_decl_attribute.
289 * config/arm/arm.h (DEFAULT_RTX_COSTS): Do not bother passing
290 OUTER_CODE to arm_rtx_costs - it is not used.
291 (arm_compare_fp): Delete declaration.
292 (FINAL_PRESCAN_INSN): Do not bother passing OPVEC or NOPERANDS to
293 arm_final_prescan_insn - they are not used.
294 (const_ok_for_op): Remove prototype.
295 (arm_rtx_costs): Fix prototype.
296 (arm_valid_machine_decl_attribute): Fix prototype.
297 (final_prescan_insn): Fix prototype.
299 * config/arm/arm.md: Remove references to arm_compare_fp.
301 * config/arm/arm.c (arm_compare_fp): Delete.
302 (const_ok_for_op): Make function static. Add prototype. Remove
303 mode parameter - it is unused.
304 (arm_rtx_costs): Remove outer_code parameter.
305 (reload_memory_operand): Declare mode parameter unused.
306 (power_of_two_operand): Declare mode parameter unused.
307 (equality_operator): Declare mode parameter unused.
308 (load_multiple_operation): Declare mode parameter unused.
309 (store_multiple_operation): Declare mode parameter unused.
310 (multi_register_push): Declare mode parameter unused.
311 (arm_valid_machine_decl_attribute): Remove attributes parameter -
313 (select_dominance_cc_mode): Remove op parameter - it is unused.
314 (gen_compare_reg): Remove fp parameter - it is unused.
315 (final_prescan_insn): Remove opvec and noperands parameters - they
318 Mon Mar 22 14:35:28 1999 Nick Clifton <nickc@cygnus.com>
320 * tm.texi (MD_SCHED_INIT): Add missing closing parenthesis.
322 Mon Mar 22 22:24:30 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
324 * reload1.c (reload_as_needed): Set reload_is_output_reload /
325 reload_has_output_reload for auto_inc expressions that could be
326 reloaded. Call forget_old_reloads for REG_INC notes.
328 Mon Mar 22 21:51:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
330 * cse.c (cse_insn): Don't change the result register of a libcall.
332 Mon Mar 22 21:08:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
334 * rtl.h (shallow_copy_rtx): Declare.
335 * rtl.c (shallow_copy_rtx): New function.
336 * reload.c (find_reloads_toplev): Use shallow_copy_rtx instead of
339 Mon Mar 22 10:44:33 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
341 * config/h8300/h8300.md (adjust_length): New attribute.
342 (modhi3+1, andsi3+1, iorsi3+1, extzv+1, extzv+2): Change insn
343 default value of attribute "adjust_length" onto "no".
345 * config/h8300/h8300.c (h8300_adjust_insn_length): Adust
346 length only if the attribute "adjust_length" value is "yes".
347 Use 0 if the shift is negative.
349 * final.c (shorten_branches): Check insn length after its
352 Sun Mar 21 17:33:48 1999 Jeffrey A Law (law@cygnus.com)
354 * i860.h (TARGET_SWITCHES): Add documentation for default case.
355 * i860/paragon.h (TARGET_SWITCHES): Add documentation for default case.
356 * i370.h (TARGET_SWITCHES): Add documentation for default case.
357 * fx80.h (TARGET_SWITCHES): Add documentation for default case.
358 * elxsi.h (TARGET_SWITCHES): Add documentation for default case.
359 * clipper.h (TARGET_SWITCHES): Add documentation for default case.
360 * 1750a.h (TARGET_SWITCHES): Add documentation for default case.
361 * pa.h (TARGET_SWITCHES): Add documentation for default case.
362 (TARGET_OPTIONS): Likewise for default case.
363 * mn10300.h (TARGET_SWITCHES): Add documentation for default case.
364 * h8300.h (TARGET_SWITCHES): Add documentation for default case.
366 * gcse.c (dump_hash_table): Fix whitespace in declaration.
367 (compute_transpout): Renamed from pre_compute_transpout.
368 (compute_pre_*): Deleted
369 (pre_expr_reaches_here_p): New argument, CHECK_PRE_COMP. All
371 (insert_insn_end_bb): Renamed from pre_insert_insn.
372 (pre_*): Delete unused variables. Only leave local properties and
373 global redundant/optimal computation points.
374 (alloc_pre_mem, free_pre_mem): Corresponding changes.
375 (compute_pre_data): Simplify and call pre_lcm to run the lazy
376 code motion dataflow analysis.
377 (pre_insert, pre_insert_copies, pre_delete): Revamp to use LCM
378 based redundant and optimal computation points.
380 * basic-block.h (pre_lcm, pre_rev_lcm): Declare.
382 * toplev.c (main): A debug option without a level defaults to
385 Sun Mar 21 12:13:01 1999 Nick Clifton <nickc@cygnus.com>
387 * flow.c (can_delete_label_p): Do not allow user specified
388 labels to be deleted.
389 * dwarf2out.c (gen_label_die): Generate addresses for deleted
390 (programmer specified) labels.
391 * dwarfout.c (output_label_die): Generate addresses for deleted
392 (programmer specified) labels.
394 1999-03-21 Manfred Hollstein <manfred@s-direktnet.de>
396 * Makefile.in (xgcc$(exeext)): Add intl.o to list of files to be
399 Sun Mar 21 01:15:03 PST 1999 Jeff Law (law@cygnus.com)
401 * version.c: Bump for snapshot.
403 Sat Mar 20 22:26:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
405 * sparc.h (TARGET_SWITCHES): Add null description to default case.
407 Sat Mar 20 21:46:06 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
409 * c-lex.c (yylex): Remove unused variable `bytes'.
411 * flow.c (print_rtl_with_bb): Cast the return value of alloca.
413 * function.c (assign_parms): Wrap variable `varargs_setup' in
414 macro SETUP_INCOMING_VARARGS.
415 (thread_prologue_and_epilogue_insns): Mark parameter `f' with
418 * local-alloc.c (no_equiv): Likewise for parameter `store'.
420 * sched.c (schedule_insns): Remove unused variables `insn' and `next'.
422 * tlink.c (symbol_hash_newfunc, symbol_hash_lookup,
423 file_hash_newfunc, file_hash_lookup, demangled_hash_newfunc,
424 demangled_hash_lookup, symbol_push, symbol_pop, file_push,
425 file_pop, tlink_init, tlink_execute, frob_extension,
426 obstack_fgets, tfgets, pfgets, freadsym, read_repo_file,
427 maybe_tweak, recompile_files, read_repo_files,
428 demangle_new_symbols, scan_linker_output): Add static prototype.
430 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc):
431 Make the third argument a `hash_table_key'.
433 * toplev.c (debug_start_source_file): Mark parameter `filename'
434 with ATTRIBUTE_UNUSED.
436 Sun Mar 21 02:28:21 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
438 * tm.texi (Varargs): Don't split argument of @item across lines.
440 * invoke.texi: Fix use of @item vs @itemx.
442 Sun Mar 21 09:59:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
444 * config/c4x/c4x.h (TARGET_SWITCHES): Add null description to
447 Sat Mar 20 23:33:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
449 * loop.c (check_dbra_loop): Fix debug message.
451 Sat Mar 20 15:54:35 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
453 * config/c4x/c4x.md (decrement_and_branch_on_count): Emit rptb_end
454 pattern instead of decrement_and_branch_until_zero pattern.
456 Sat Mar 20 11:39:58 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
458 * config/c4x/c4x.h (TARGET_SWITCHES): Add documentation.
459 * config/c4x/c4x.h (TARGET_OPTIONS): Add documentation.
461 Fre Mar 19 23:26:29 1999 Martin von Löwis <loewis@informatik.hu-berlin.de>
463 * expr.c (expand_expr): Handle ERROR_MARK much earlier.
465 Fri Mar 19 15:28:38 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
467 * cccp.c (create_definition): Cast to U_CHAR* when assigning to one.
469 * cppfiles.c (read_and_prescan): Likewise.
470 Start a #define in column 0.
472 * cpplib.c (cpp_define): Cast to U_CHAR* when assigning to one.
473 (cpp_push_buffer): Likewise for cpp_buffer*.
474 (do_include): Change the type of `fbeg' and `fend' to unsigned char*.
475 (do_endif): Cast to char* when assigning to one.
476 (do_assert): Likewise.
477 (do_unassert): Likewise.
478 (cpp_read_check_assertion): Change the type of `name' to U_CHAR*.
479 Don't do unnecessary cast to char* anymore.
481 * genrecog.c (make_insn_sequence): Cast to char** when assigning
482 to one. Cast the first argument of bzero to PTR.
484 * loop.c (strength_reduce): Remove unused variable `note'.
486 * reload1.c (new_insn_chain): Cast to struct insn_chain* when
489 * rtl.c (copy_rtx): Use memcpy instead of bcopy.
491 Fri Mar 19 11:19:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
493 * calls.c (initialize_argument_information): Mark parameters
494 `num_actuals' and `n_named_args' with ATTRIBUTE_UNUSED.
496 * dbxout.c (dbxout_start_new_source_file): Likewise for parameter
498 (dbxout_finish): Likewise for parameters `file' and `filename'.
499 (dbxout_prepare_symbol): Likewise for parameter `decl'.
500 (dbxout_begin_function): Likewise.
502 * explow.c (hard_function_value): Likewise for parameter `func'.
504 * function.c (locate_and_pad_parm): Likewise for parameter `fndecl'.
506 * expmed.c (expand_divmod): Omit unused argument to `expand_abs'.
507 * expr.c (expand_expr): Likewise.
508 * expr.h (expand_abs): Delete unused argument from prototype.
509 * optabs.c (expand_abs): Remove unused parameter `unsignedp'.
511 * sdbout.c (sdbout_init): Mark parameter `syms' with ATTRIBUTE_UNUSED.
512 (sdbout_end_block): Likewise for parameter `n'.
514 * toplev.c (debug_define): Likewise for parameters `lineno' and
516 (debug_undef): Likewise.
518 * varasm.c (named_section): Likewise for parameter 'reloc'.
519 (assemble_external): Likewise for parameter `decl'.
520 (assemble_alias): Likewise for parameter `target'.
522 Fri Mar 19 01:54:30 1999 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
524 * toplev.c (read_integral_parameter): Constify. Better control of
526 (main): Use read_integral_parameter to set optimize, id_clash_len,
527 larger_than_size, and the debugging level.
528 * toplev.h (read_integral_parameter): Update prototype.
530 Fri Mar 19 01:42:05 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
532 * system.h: Use putc_unlocked, fputc_unlocked, and
533 fputs_unlocked only if putc_unlocked has a prototype already.
534 Prototype fputs_unlocked if necessary.
535 * configure.in: Check for prototypes of putc_unlocked and
537 * acconfig.h: Updated.
538 * config.in, configure: Rebuilt.
540 Fri Mar 19 02:45:12 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
542 * Makefile.in (INTL_TARGETS): new macro
543 ($(INTL_TARGETS)): depend on generated sources; drop dependencies
544 on cp/parse.c and objc/objc-parse.c
545 ($(srcdir)/cp/parse.c): move to cp/Make-lang.in
546 * objc/Make-lang.in ($(INTL_TARGETS)): depend on objc/objc-parse.c
548 Thu Mar 18 22:28:53 1999 Jeffrey A Law (law@cygnus.com)
550 * i860.h (TARGET_SWITCHES): Add documentation.
551 * i860/paragon.h (TARGET_SWITCHES): Add documentation.
552 * i370.h (TARGET_SWITCHES): Add documentation.
553 * fx80.h (TARGET_SWITCHES): Add documentation.
554 * elxsi.h (TARGET_SWITCHES): Add documentation.
555 * clipper.h (TARGET_SWITCHES): Add documentation.
556 * 1750a.h (TARGET_SWITCHES): Add documentation.
557 * pa.h (TARGET_SWITCHES): Add documentation.
558 (TARGET_OPTIONS): Likewise.
559 * mn10300.h (TARGET_SWITCHES): Add documentation.
560 * h8300.h (TARGET_SWITCHES): Add documentation.
562 Thu Mar 18 15:58:26 1999 Nick Clifton <nickc@cygnus.com>
564 * loop.c (strength_reduce): Do not perform pseudo replacements
565 if the loop contains volatile memory references.
567 Thu Mar 18 19:09:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
569 * reload.c (find_reloads_toplev): When processing X recursively,
570 don't alter it destructively except by filling in constants.
572 Thu Mar 18 10:14:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
574 * cccp.c (default_include): Initialize structure memebers.
575 (pass_thru_directive): Change the type of 'keyword_length' to int.
576 (main): Cast `bindtextdomain' and `textdomain' to (void).
578 * collect2.c (main): Likewise.
580 * cppmain.c (main): Likewise.
582 * gcc.c (main): Likewise.
584 * gcov.c (main): Likewise.
586 * protoize.c (main): Likewise.
588 * toplev.c (main): Likewise.
590 1999-03-18 Gavin Romig-Koch <gavin@cygnus.com>
592 * config/mips/mips.c (mips_explicit_type_size_string): Correct
595 Thu Mar 18 01:24:25 1999 Jeffrey A Law (law@cygnus.com)
597 * configure.in: Use "exit 1", not "exit (1)".
598 * configure: Rebuilt.
600 Wed Mar 17 23:17:42 1999 Mark Kettenis <kettenis@gnu.org>
602 * config/t-gnu (SYSTEM_HEADER_DIR): New variable. Set to
603 `/include' in order to find the system's limits.h.
605 Wed Mar 17 23:00:18 1999 Robert Lipe <robertlipe@usa.net>
607 * fixinc/fixincl.c: Include auto-host.h instead of config.h
608 * fixinc/procopen.c: Likewise.
609 * fixinc/regex.c: Likewise.
610 * fixinc/server.c: Likewise.
612 Wed Mar 17 22:46:13 1999 Mark Elbrecht <snowball3@usa.net.
614 * config/i386/go32.h: Delete.
615 * config/i386/djgpp.h: New. Renamed from go32.h.
616 Added -DDJGPP=2 to CPP_PREDEFINES.
617 * config/i386/go32-rtems.h: Delete.
618 * config/i386/djgpp-rtems.h: New. Renamed from go32-rtems.h.
619 Added -DDJGPP=2 to CPP_PREDEFINES.
620 * config/i386/xm-go32.h: Delete.
621 * config/i386/xm-djgpp.h: New. Renamed from xm-go32.h.
622 * config/i386/x-go32: Delete.
623 * config/i386/x-djgpp: New. Renamed from x-go32.
624 * config/i386/t-go32: Delete.
625 * config/i386/t-djgpp: New. Renamed from t-go32.
626 * configure.in(pc-msdosdjgpp): Set xm_file to i386/xm-djgpp.h.
627 Set tm_file to i386/djgpp.h. Set tmake_file to i386/t-djgpp.
628 Set xmake_file to i386/x-djgpp.
629 (*-go32-msdos, *-go32*): Remove entries. Warn that GO32/DJGPP V1.X
630 is now unsupported and *-pc-msdosdjgpp for DJGPP V2.X should be
632 * configure: Rebuilt.
634 * gcc.c (process_command): Dump link_command_spec too.
636 Wed Mar 17 20:38:08 1999 Jerry Quinn <jquinn@nortelnetworks.com>
637 Jeff Law <law@cygnus.com>
639 * pa.md: Add real PA8000 scheduling information.
641 * pa.h (processor_type): Add PROCESSOR_8000 symbol.
642 (ISSUE_RATE): Revamp, including PA8000 support.
643 * pa.c (override_options): Add 8000 as -mschedule= option.
644 Do not call strcmp if pa_cpu_string is null.
645 * pa.md (attr cpu): Add 8000.
646 * invoke.texi: Add documentation for PA8000 scheduling.
648 Wed Mar 17 18:20:24 1999 David S. Miller <davem@redhat.com>
650 * config/sparc/sparc.h (TARGET_SWITCHES, TARGET_OPTIONS):
652 * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
653 * config/sparc/splet.h (SUBTARGET_SWITCHES): Likewise.
655 Wed Mar 17 14:51:19 1999 Richard Henderson <rth@cygnus.com>
657 * flow.c (compute_immediate_dominators): New function.
658 * basic-block.h (compute_immediate_dominators): Declare it.
660 * alpha.h (HARD_REGNO_MODE_OK): Allow only 4 and 8 byte unit modes
662 (MODES_TIEABLE_P): Define asymmetricly wrt modes illegal in FP regs.
664 Wed Mar 17 14:41:41 1999 Nick Clifton <nickc@cygnus.com>
666 * config/arm/aout.h (ASM_GENERATE_INTERNAL_LABEL): Fix compile
668 * config/arm/arm.md: Fix various compile time warnings.
669 * config/arm/arm.h: Fix various compile time warnings. Add
671 * config/arm/arm.c: Fix various compile time warnings.
672 (arm_override_options): Reorganise to seperate tuning from
674 (bit_count): New function: Return a count of the number of bits
677 Wed Mar 17 21:29:12 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
679 * reload1.c (eliminate_regs): Don't keep REG_DEAD notes around for
680 things that were eliminated.
682 Wed Mar 17 12:16:26 1999 Richard Henderson <rth@cygnus.com>
684 * function.c (fixup_var_refs_1): First try moving the expression
685 directly into a register. Don't separate cc0 setter and user.
687 Wed Mar 17 11:20:29 1999 Dave Brolley <brolley@cygnus.com>
689 * cppfiles.c (PIPE_BUF): #define PIPE_BUF if not defined already.
691 Wed Mar 17 09:25:06 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
693 * c-lex.c: Don't include setjmp.h.
694 (parse_float): New static function.
695 (pf_args): New struct.
696 (yylex): Use them in call to `do_float_handler'.
698 1999-03-16 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
700 * cexp.y (yyerror): Call verror to get a usefull error message.
703 * .gdbinit: Move command to put breakpoint at abort to end of file
704 so that gdb does not bail out early.
706 Tue Mar 16 15:30:19 1999 Nick Clifton <nickc@cygnus.com>
708 * rtl.h: Rename prototype for free_bb_memory to free_bb_mem.
710 Tue Mar 16 23:40:09 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
712 * sh.md (movsi_i): Move t/r alternative after r/rI alternative.
714 Tue Mar 16 13:44:50 1999 Jim Wilson <wilson@cygnus.com>
716 * mn10200/mn10200.md (addsi3, subsi3, ashlsi3, lshrsi3, ashrsi3):
717 Delete emit_library_call_value declaration.
719 1999-03-16 16:06 -0500 Zack Weinberg <zack@rabi.columbia.edu>
721 * cppfiles.c (read_and_prescan): Map backslash-newline to '\r'
722 (which cannot otherwise appear in the processed buffer) and
723 move it out of tokens that it appears in the middle of.
725 (find_position): New function.
727 * cpplib.c: \r (one character) indicates backslash
728 newline, not \\\n (two characters). It cannot appear in the
729 middle of a token. Call CPP_BUMP_LINE (pfile) whenever
730 parsing moves past \n or \r. Increment pfile->lineno whenever
731 a \n is placed into token_buffer. Only one mark can exist at
732 a time, and CPP_BUMP_LINE must not be used while it is
733 active. It is automatically cleared by cpp_pop_buffer and
734 parse_goto_mark. \r is not in is_hor_space or is_space.
736 (NEWLINE_FIX, NEWLINE_FIX1, adjust_position,
737 update_position, count_newlines, parse_move_mark): Removed.
738 (parse_string, copy_comment): New functions.
739 (parse_name): Returns void.
740 (parse_set_mark, parse_clear_mark, parse_goto_mark): Take only
741 one argument, a cpp_reader *. Change for new marking scheme.
742 (skip_comment): Handle CHILL line comments too. Second
743 argument is now first character of comment marker; all callers
744 changed. Issue error for unterminated block comment here.
745 (cpp_skip_hspace): Recognize CHILL comments.
746 (copy_rest_of_line): Likewise. Call skip_comment and
747 parse_string directly, don't go through cpp_get_token. Emit
748 "/**/" for block comments if -traditional (create_definition
750 (do_define): Don't play with put_out_comments.
751 (cpp_push_buffer): Initialize ->mark to -1.
752 (cpp_buf_line_and_col): Just read out the values in the buffer
754 (output_line_command): Use cpp_buf_line_and_col. Fix
755 formatting. Remove stale code.
756 (cpp_get_token): Break out string parsing code to
757 parse_string. Use skip_comment for CHILL comments too. Use
758 copy_comment for put_out_comments instead of dinking with
759 marks. Remove stale code. Don't call output_line_command
760 unless it's necessary.
762 * cpplib.h (parse_marker): Removed.
763 (struct cpp_buffer): line_base is now a unsigned char *; add
764 `mark' [long], remove `marks' [struct parse_marker *].
765 (parse_set_mark, parse_clear_mark, parse_goto_mark): Update
767 (CPP_BUMP_LINE, CPP_BUMP_BUFFER_LINE): New macros.
768 * cppinit.c (is_hor_space, is_space): '\r' is not considered
770 * cppexp.c (cpp_parse_expression): Use cpp_skip_hspace, not
772 * cpphash.c (macarg): Disable line commands while expanding.
774 Tue Mar 16 11:30:19 1999 Gavin Romig-Koch <gavin@cygnus.com>
776 * c-lex.c (yylex) : Remove warning for integer literals being
777 larger than the largest target int. Add warning for integer
778 literal being larger than than its choosen type.
780 Tue Mar 16 10:53:17 1999 Gavin Romig-Koch <gavin@cygnus.com>
782 * invoke.texi: Add -mlong32 documentation.
783 * config/mips/mips.h (mips_explicit_type_size_string): New.
784 (TARGET_SWITCHES): Add 'long32'.
785 (TARGET_OPTIONS): Add 'explicit-type-size'.
786 (CC1_SPECS): Set -mexplicit-type-size.
787 (LONG_MAX_SPEC): Change a use of 'no-long64' to 'long32'.
788 * config/mips/abi64.h (LONG_MAX_SPEC): Same. Add 'mabi=32'.
789 * config/mips/mips.c (mips_explicit_type_size_string): New.
790 (override_options): Use it.
791 * config/mips/osfrose.h (CC1_SPECS): Set -mexplicit-type-size.
793 * config/mips/mips.h (SUBTARGET_CPP_SIZE_SPEC):
794 Pointer size now depends on both size longs and size of GP
797 Tue Mar 16 10:22:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
799 * config/mips/iris.h (CTORS_SECTION_ASM_OP,DTORS_SECTION_ASM_OP,
800 dtors_section): Use Pmode == DImode rather than TARGET_LONG64.
801 * config/mips/mips.c (override_options): Allow -mlong64 and
802 -mint64 with -mips2 or less.
803 * config/mips/mips.h (MASK_LONG64): Fix comment.
804 (POINTER_SIZE): Use Pmode == DImode rather than TARGET_LONG64.
805 (Pmode): Make Pmode the smaller of longs or gp registers.
806 * invoke.texi: Note the new size for pointers.
808 Mon Mar 15 22:45:25 1999 David Edelsohn <edelsohn@gnu.org>
810 * rs6000.h (ASM_OUTPUT_{DOUBLE,FLOAT}): Always generate IEEE 754
811 bit-pattern directly.
812 (ASM_OUTPUT_REG_{PUSH,POP}): Delete.
813 * rs6000.c (first_reg_to_save): If profiling and context needed,
814 allocate a reg to save static chain for all ABIs. For AIX
815 profiling, calculate parameter registers to save based on need.
816 (output_function_profiler): Save and restore static chain around
817 profile call for all ABIs.
819 1999-03-15 21:39 -0500 Zack Weinberg <zack@rabi.columbia.edu>
821 * cppinit.c: Instead of one pending list, keep separate lists
822 for each category of pending option: -D/-U, -A, -include,
823 -imacros. Move the four partial include-path lists into the
824 pending block. Use head and tail pointers so we don't ever
825 have to reverse the lists.
827 (cpp_start_read): Break out blocks of code to their own
828 functions: install_predefs and initialize_dependency_output.
829 Use path_include for C_INCLUDE_PATH and friends as well as
830 CPATH. Remove include_defaults gunk. Warn about the
831 combination of -lang-chill and -trigraphs. Optimize string
832 bashing. Walk each pending list once, deallocating as we go.
834 (append_include_chain): Brought over from cppfiles.c. Mark
835 dirs as system include dirs if and only if appending to
836 system include path. If opts->verbose, print a notice when a
837 dir is dropped from the include path because it doesn't
838 exist. Fix memory leak: this function is not supposed to copy
841 (nreverse_pending, push_pending): Removed.
842 (APPEND): New macro for adding to pending lists.
843 (path_include): Can now add to any partial include path.
844 (base_name): Bring over from cccp.c.
845 (cpp_options_init): Allocate the pending block.
846 (cpp_handle_option): Add --version. Exit after --help. Fix
847 formatting. Order -ifoo options by frequency of usage.
848 (install_predefs): New function, simplified version of code
849 that was in cpp_start_read.
850 (initialize_dependency_output): Likewise. Understand OBJECT_SUFFIX.
852 * cppfiles.c (simplify_pathname): Export.
853 (merge_include_chains): Don't nreverse the lists. If
854 opts->verbose, print a notice when a duplicate dir is detected
855 and dropped from the include path.
856 (finclude): Fix excessive cleverness in setting
858 (actual_directory): Set x->sysp from
859 CPP_BUFFER (pfile)->system_header_p so that one system header
860 may include another with "".
861 (deps_output): Fix double adjustment of deps_size which would
862 cause all dependencies after the first two lines to be lost.
864 * cpplib.c (cpp_unassert): New function.
865 * cpplib.h: Lay out struct cpp_pending here. Adjust
866 prototypes. Add include_prefix_len to struct cpp_options.
868 Mon Mar 15 16:01:52 1999 Jim Wilson <wilson@cygnus.com>
870 * config/misp/mips.h (REGISTER_MOVE_COST): Make the cost of moving
871 from HI/LO/HILO/MD into general registers the same as for one
872 of moving general registers to HI/LO/HILO/MD.
874 Mon Mar 15 12:39:38 1999 Nick Clifton <nickc@cygnus.com>
876 * config/m32r/m32r.c (init_idents): New function. Initialise
877 static tree nodes for m32r specific attribute identifiers. Remove
878 leading and trailing double underscores from the attribute names.
879 (m32r_valid_machine_decl_attribute): Call init_idents.
880 (m32r_encode_section_info): Call init_idents.
882 Mon Mar 15 10:20:20 1999 Mark Mitchell <mark@markmitchell.com>
884 * reload.c (find_reloads): Add a REG_LABEL note if we substitute a
885 LABEL_REF for something else.
887 Mon Mar 15 08:24:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
889 * fold-const.c (exact_real_inverse): Move variable `float_error'
890 into the scope where it is used.
891 (const_binop_1): New static function.
892 (cb_args): New struct.
893 (const_binop): Use them in call to `do_float_handler'.
894 (fold_convert_1): New static function.
895 (fc_args): New struct.
896 (fold_convert): Use them in call to `do_float_handler'.
898 Mon Mar 15 22:50:18 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
900 * rtlanal.c (auto_inc_p): New function.
901 * rtl.h (auto_inc_p): Prototype it.
902 * reload1.c (add_auto_inc_notes): New function.
903 (reload): Strip REG_INC notes and call add_auto_inc_notes
904 for each insn to restore them correctly.
906 1999-03-15 Manfred Hollstein <manfred@s-direktnet.de>
908 * fixinc/Makefile.in (procopen.o): List the actual
911 Sun Mar 14 16:22:10 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
913 * cse.c (check_fold_consts): New static function.
914 (cfc_args): New struct.
915 (simplify_relational_operation): Use them in call to
918 * toplev.c (do_float_handler): New function to wrap calls to
919 setjmp/set_float_handler.
921 * toplev.h (do_float_handler): Add extern prototype.
923 * tree.c (build_real_from_int_cst_1): New static function.
924 (brfic_args): New struct.
925 (build_real_from_int_cst): Use them in call to
928 Sun Mar 14 01:15:06 PST 1999 Jeff Law (law@cygnus.com)
930 * version.c: Bump for snapshot.
932 Sat Mar 13 17:37:18 1999 Richard Henderson <rth@cygnus.com>
934 * haifa-sched.c (sched_analyze_1): Only clear reg_last_uses on a SET.
936 Sat Mar 13 11:36:16 1999 Richard Earnshaw (rearnsha@arm.com)
938 * arm.c (arm_split_constant): Don't try to force a constant to
939 memory after arm_reorg has run.
940 (after_arm_reorg): New static variable.
942 (output_func_epilogue): Clear it.
944 Fri Mar 12 20:26:32 1999 David Edelsohn <edelsohn@gnu.org>
946 * configure.in ({rs6000,powerpc}-ibm-aix*): Set float_format to none.
947 * configure: Rebuilt.
949 Fri Mar 12 20:45:30 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
951 * unroll.c (loop_iterations): Don't return a final value for EQ
954 Fri Mar 12 12:35:01 1999 Jim Wilson <wilson@cygnus.com>
956 * reload1.c (calculate_needs_all_insns): When ignore equivalence
957 setting insn, clear need_elim, need_reload, and need_operand_change.
959 Fri Mar 12 07:54:43 1999 Bruce Korb <korb@datadesign.com>
961 * fixinc/fixinc.*: Some changes from the fixincl-branch
962 were not applied (??!!). Corrected.
964 * fixinc/Makefile.in: same thing.
966 Fri Mar 12 00:51:43 1999 Jeffrey A Law (law@cygnus.com)
968 * expr.c (expand_expr): Allow a CALL_EXPR with a mode wider than
969 MAX_INTEGER_COMPUTATION_MODE.
971 Thu Mar 11 14:00:58 1999 Richard Henderson <rth@cygnus.com>
973 * alpha.h (HARD_REGNO_MODE_OK): Disallow QI/HImode in fp regs.
974 (MODES_TIEABLE_P): Update.
976 * alpha.md (ev5_e0): Conflict loads and stores.
978 Thu Mar 11 13:55:52 1999 Richard Henderson <rth@cygnus.com>
980 * machmode.h (smallest_mode_for_size): Prototype.
981 * stor-layout.c (smallest_mode_for_size): Remove static.
983 Thu Mar 11 21:25:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
985 * loop.c (strength_reduce): Don't do biv increment -> DEST_REG giv
986 conversion if we don't know the lifetime.
988 Thu Mar 11 20:37:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
990 * reload.1c (delete_address_reloads_1): Check for reloads of
991 CURRENT_INSN even if it sets DST.
993 Thu Mar 11 10:29:50 1999 Jason Merrill <jason@yorick.cygnus.com>
995 * dwarf2out.c (add_AT_lbl_offset): Rename from add_AT_section_offset.
996 (print_die, size_of_die, value_format, output_die): Adjust.
998 Thu Mar 11 10:27:42 1999 Robert Lipe <robertlipe@usa.net>
1000 * dwarf2out.c (TEXT_SECTION_LAABEL, DEBUG_LINE_SECTION_LABEL,
1001 DEBUG_INFO_SECTION_LABEL, ABBREV_SECTION_LABEL,
1002 text_section_laabel, debug_line_section_label,
1003 debug_info_section_label, abbrev_section_label): New.
1004 (output_compilation_unit_header): Emit label associated
1005 with section instead of section name itself.
1006 (out_pubnames, output_aranges, output_line_info,
1007 dwarf2out_finish): Likewise.
1008 (dwarf2out_init): Build internal label names for sections
1011 Thu Mar 11 17:28:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1013 * sh.md (mulsi3): End mul.l sequence with a no-op move.
1015 Thu Mar 11 08:52:02 1999 Bruce Korb <korb@datadesign.com>
1017 * Makefile.in: activated fixinc/mkfixinc.sh
1018 * configure.in: activated fixinc/mkfixinc.sh
1020 Thu Mar 11 01:38:02 1999 Mumit Khan <khan@xraylith.wisc.edu>
1022 * cppfiles.c (INO_T_EQ): Handle UWIN.
1024 * c-common.c (decl_attributes): Flag unrecognized attribute
1025 functions as warnings instead of as errors.
1027 Support for i386-pc-uwin.
1028 * i386/uwin.h: New file.
1029 * i386/xm-uwin.h: New file.
1030 * i386/t-uwin: New file.
1031 * i386/uwin.asm: New file.
1032 * configure.in (i[3456]86-*-uwin*): Define.
1033 Add Workaround for vfork bug when hosted on uwin.
1034 * configure: Regenerate.
1036 * cccp.c (INO_T_EQ): Undefine. UWIN has inodes.
1037 (absolute_filename): UWIN uses POSIX pathnames only.
1038 * libgcc2.c (getpagesize): Do not define for UWIN.
1039 (mprotect): Likewise.
1040 * protoize.c (dirent.h): Conditionally include.
1041 (fputc): Prototype only if it's not a macro.
1043 Wed Mar 10 02:49:04 1999 Jason Merrill <jason@yorick.cygnus.com>
1045 * configure.in: Remove init_priority stuff.
1047 1999-03-11 Colin Smith <colin@wrs.com>
1049 * sdbout.c (plain_type_1): Make boolean types work better with sdb.
1051 Thu Mar 11 00:20:52 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
1053 * gcc.texi: Update bug reporting instructions to match
1054 current ezmlm list reality.
1056 Wed Mar 10 23:11:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1058 * gcc.c (print_file_name, print_prog_name, spec_machine,
1059 read_specs, set_spec, lookup_compiler, build_search_list,
1060 putenv_from_prefixes, find_a_file, record_temp_file,
1061 delete_if_ordinary, handle_braces, do_spec, do_spec_1, find_file,
1062 is_directory, validate_switches, used_arg, default_arg,
1063 pfatal_with_name, perror_with_name, pfatal_pexecute, fatal, error,
1064 notice, add_preprocessor_option, add_assembler_option,
1065 add_linker_option, process_command, execute,
1066 unused_prefix_warnings, clear_args, fatal_error,
1067 lang_specific_driver, user_specs, compiler, link_command_spec,
1068 option_map, translate_options, make_temp_file, temp_name,
1069 programname, path_prefix, machine_suffix, just_machine_suffix,
1070 gcc_exec_prefix, standard_exec_prefix, standard_exec_prefix_1,
1071 md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1,
1072 standard_startfile_prefix, standard_startfile_prefix_1,
1073 standard_startfile_prefix_2, tooldir_base_prefix, tooldir_prefix,
1074 multilib_dir, temp_filename, temp_file, command, switchstr,
1075 infile, outfiles, input_filename, input_basename, input_suffix,
1076 check_live_switch, main): Qualify a char* with the `const' keyword.
1078 Wed Mar 10 20:28:29 1999 Jeffrey A Law (law@cygnus.com)
1081 * Makefile.in (OBJS): Add lcm.o
1082 (lcm.o): Add dependencies.
1084 * gcse.c (compute_pre_local_properties): Delete.
1085 (compute_pre_data): Use compute_local_properties instead of
1086 compute_pre_local_properties.
1088 * gcse.c: More comments, whitespace and similar fixes.
1089 (dump_cuid_table, maybe_set_rd_gen, dump_cprop_data): Delete.
1090 (dump_pre_data, compute_cprop_local_properties): Likewise.
1091 (one_classic_gcse_pass): Lose unused argument. All callers changed.
1092 (compute_hash_table, compute_expr_hash_table): Likewise.
1093 (compute_set_hash_table, one_pre_gcse_pass, mark_call): Likewise.
1094 (cprop_insn, cprop, one_cprop_pass): Add new argument ALTER_JUMPS.
1095 All callers changed. Only alter jumps if ALTER_JUMPS is nonzero.
1096 Lose unused argument.
1097 (gcse_main): Always run a cprop pass after finishing global cse.
1098 (compute_local_properties): New function.
1099 (hash_scan_pat, hash_scan_insn): No longer call maybe_set_rd_gen.
1100 (compute_cprop_data): Use compute_local_properties.
1102 * gcse.c: Update various comments.
1103 (current_function_calls_longjmp): Delete declaration.
1105 * gcse.c (run_jump_opt_after_gcse): New variable.
1106 (gcse_main): Returns an integer.
1107 (hash_scan_set): Record initializations from CONST_DOUBLEs too.
1108 (try_replace_reg): Update some comments.
1109 (cprop_insn): Allow propagation into some JUMP_INSNs too.
1110 * rtl.h (gcse_main): Update prototype.
1111 * toplev.c (rest_of_compilation): If gcse_main returns nonzero,
1112 then run a jump optimization pass.
1113 * jump.c (delete_barrier_successors): Delete nop jumps too.
1115 Wed Mar 10 19:04:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1117 * sh.c (fp_arith_reg_operand): Actually test if reg is suitable
1118 for FP arithmetic. Changed caller.
1119 * sh.md (subsf3, subsf_i): Use fp_arith_reg_operand.
1121 Wed Mar 10 18:56:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1123 * reload1.c (choose_reload_regs): When inheriting from the frame
1124 pointer, don't clobber it.
1126 Wed Mar 10 08:01:52 1999 Bruce Korb <korb@datadesign.com>
1128 * fixinc/fixinc.*: Resync-ed with the files in this
1131 * fixinc/mkfixinc.sh: the machine case elements were
1132 out-of-order. (the ix86-*-linux-gnu* entry needed to
1135 Wed Mar 10 00:01:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1137 * reload1.c (reload_combine_note_store): Fix calculation of number
1138 of affected registers.
1140 Tue Mar 9 15:48:15 1999 Richard Henderson <rth@cygnus.com>
1142 * flow.c (tidy_fallthru_edge): Be more careful finding the last
1143 BARRIER of a list. Delete the cc0 setter as well as a cond jump.
1145 Tue Mar 9 15:26:02 1999 Hans-Peter Nilsson <hp@bitrange.com>
1147 * i386.md (ashlsi3 splitter): Fix typo in last change.
1149 Tue Mar 9 11:35:20 1999 Richard Henderson <rth@cygnus.com>
1151 * reg-stack.c (stack_reg_life_analysis): Use returnjump_p
1152 instead of an explicit test for RETURN.
1154 Tue Mar 9 09:33:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1156 * Makefile.in (toplev.o): Depend on $(BASIC_BLOCK_H).
1158 * toplev.c: Include basic-block.h.
1160 Tue Mar 9 02:08:17 1999 Jeffrey A Law (law@cygnus.com)
1162 * calls.c (load_register_parameters): New function.
1163 (expand_call): Use it.
1165 * calls.c (expand_call): Slightly reorganize code.
1167 * calls.c (compute_argument_addresses): New function.
1168 (rtx_for_function_call): New function.
1169 (expand_call): Use them.
1171 * i386.md (zero_extendhisi2): Split into an expander and anonymous
1172 pattern. Add new anonymous pattern for use when optimizing for
1173 size or for the PPro.
1174 (zero_extendqihi2, zero_extendqisi2): Likewise.
1176 Mon Mar 8 23:43:47 1999 Richard Henderson <rth@cygnus.com>
1178 * haifa-sched.c (sched_analyze_1): Fix last change -- add clobber
1179 dependancies to sets in the non-hard-reg case too.
1181 Mon Mar 8 18:55:21 1999 Marc Espie <espie@cvs.openbsd.org>
1183 * config/openbsd.h (HANDLE_SYSV_PRAGMA): Define.
1185 Mon Mar 8 16:04:44 1999 Jim Wilson <wilson@cygnus.com>
1187 * local-alloc.c (combine_regs): Don't combine if we have a hard reg
1188 for which CLASS_LIKELY_SPILLED_P is true.
1190 * unroll.c (loop_iterations): Only call loop_find_equiv_value if we
1191 have a REG or SUBREG.
1193 Mon Mar 8 15:27:42 1999 Jeffrey A Law (law@cygnus.com)
1195 * i386.md (ashlsi3): Revise comments. Provide new anonymous
1196 pattern for Pentium and PPro/PII. Reverse constraints in
1197 generic ashlsi3 anonymous pattern.
1199 * calls.c (initialize_argument_info): Accept a pointer to
1201 (expand_call): Pass the address of CUMULATIVE_ARGS.
1203 * rs6000/xm-sysv4.h (HOST_BITS_PER_LONGLONG): Remove #if 0.
1205 * mn10300.h (CASE_DROPS_THROUGH): Delete.
1206 * mn10200.h (CASE_DROPS_THROUGH): Delete.
1207 * h8300.h (CASE_DROPS_THROUGH): Delete.
1209 * flow.c (merge_blocks_nomove): For HAVE_cc0 targets, make sure
1210 to also delete the cc0 setter when deleting a conditional branch
1213 Mon Mar 8 18:47:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1215 * regmove.c (copy_src_to_dest): New argument max_old_uid.
1217 Mon Mar 8 08:23:00 1999 Bruce Korb <korb@datadesign.com>
1219 * ChangeLog: merged entries from fixincl-branch
1221 Sun Mar 7 11:48:56 1999 Richard Henderson <rth@cygnus.com>
1223 * haifa-sched.c (ENCODE_BLOCKAGE): Don't shift unit too far.
1224 (print_exp): Special case addition of a constant.
1225 (print_value) [CONST_INT]: Use HOST_WIDE_INT_PRINT_HEX.
1227 Sun Mar 7 11:21:02 1999 Richard Henderson <rth@cygnus.com>
1229 * haifa-sched.c (reg_last_clobbers): New.
1230 (reg_pending_clobbers, bb_reg_last_clobbers): New.
1231 (compute_block_backward_dependences): Allocate memory for them.
1232 (schedule_region): Likewise.
1233 (sched_analyze_1): Clobbers don't interfere with one another.
1234 They do interfere with sets ...
1235 (sched_analyze_2): ... and uses.
1236 (sched_analyze): Likewise.
1237 (sched_analyze_insn): Update reg_last_clobbers appropriately.
1239 Sun Mar 7 08:30:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1241 * gmon-sol2.c: Include config.h and system.h. Don't redundantly
1242 include system header files.
1244 (moncontrol, monstartup, _mcleanup, internal_mcount): Prototype.
1245 (_mcleanup): Add the `const' keyword to a char*.
1246 (internal_mcount): Declare `etext' as a char[] not a function.
1247 Cast `etext' to char* when calling `monstartup'.
1249 * sparc.c (frame_base_name, save_regs, restore_regs,
1250 build_big_number, sparc_cmodel_string, sparc_align_loops_string,
1251 sparc_align_jumps_string, sparc_align_funcs_string, code_model,
1252 cpu_default, cpu_table, output_function_prologue,
1253 output_function_epilogue, output_return,
1254 sparc_flat_output_function_prologue, ultra_code_names,
1255 sparc_flat_output_function_epilogue): Constify a char*.
1256 (hypersparc_adjust_cost): Add a default case in a switch.
1258 * sparc.h (sparc_cmodel_string, OVERRIDE_OPTIONS,
1259 sparc_cpu_select, sparc_align_loops_string,
1260 sparc_align_jumps_string, sparc_align_funcs_string,
1261 output_return): Constify a char*.
1263 * sparc.md (movdi): Change the comparison of HOST_BITS_PER_WIDE_INT
1264 so that we check "== 32", instead of "!= 64". Cast a value to
1265 HOST_WIDE_INT when comparing against one. Hide the declaration
1266 for variable `chain'.
1268 Sun Mar 7 08:05:27 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1270 * system.h (const, inline): Move the stage2 handling of these
1271 keywords-as-macros from here...
1273 * gansidecl.h (const, inline): ...to here.
1275 Sun Mar 7 02:44:15 1999 Richard Henderson <rth@cygnus.com>
1277 * recog.c (push_operand, pop_operand): VOIDmode needn't match modes.
1279 Sun Mar 7 01:58:47 1999 Richard Henderson <rth@cygnus.com>
1281 * cse.c (canon_hash): Never reject hard regs in CCmode.
1283 Sun Mar 7 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
1285 * version.c: Bump for snapshot.
1287 Sat Mar 6 17:18:44 1999 Richard Earnshaw (rearnsha@arm.com)
1288 Richard Henderson <rth@cygnus.com>
1290 * flow.c (make_edges): Handle casesi that jump to default branch.
1291 If CASE_DROPS_THROUGH, force fallthru to block after casesi.
1293 Sat Mar 6 07:49:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1295 * c-aux-info.c (data_type, affix_data_type, gen_decl,
1296 gen_formal_list_for_type, gen_formal_list_for_func_def, gen_type):
1297 Qualify a char* with the `const' keyword.
1299 * c-common.c (declare_hidden_char_array, add_attribute, if_elt,
1300 declare_function_name, decl_attributes, format_char_info,
1301 check_format_info, binary_op_error): Likewise.
1303 * cexp.y (yyerror, error, pedwarn, warning, token): Likewise.
1305 * gcse.c (dump_hash_table): Likewise.
1307 * integrate.c (function_cannot_inline_p): Likewise
1309 * optabs.c: Include insn-config.h earlier.
1310 (init_libfuncs, init_integral_libfuncs, init_floating_libfuncs):
1311 Qualify a char* with the `const' keyword.
1313 * real.c (asctoe24, asctoe53, asctoe64, asctoe113, asctoe,
1314 asctoeg, mtherr, ereal_atof): Likewise.
1316 * real.h (ereal_atof): Likewise.
1318 * sbitmap.c (dump_sbitmap_vector): Likewise.
1320 * sbitmap.h (dump_sbitmap_vector): Likewise.
1322 * stmt.c (nesting, n_occurrences, expand_start_case): Likewise.
1324 * toplev.c (rest_of_compilation): Likewise.
1326 * tree.h (function_cannot_inline_p, expand_start_case): Likewise.
1328 Fri Mar 5 23:16:42 1999 David Edelsohn <edelsohn@gnu.org>
1330 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Add 64-bit support and do
1331 not overwrite AIX link register save area.
1333 Fri Mar 5 23:08:01 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1335 * reload.c (find_reloads_subreg_address): Actually create the USE
1336 for the register, not the new memory location.
1338 Fri Mar 5 21:41:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1340 * reload1.c (emit_reload_insns): If pseudo that can't be replaced
1341 with its equivalent constant, fall back to reload_in.
1343 Fri Mar 5 13:20:39 1999 Richard Henderson <rth@cygnus.com>
1345 * Makefile.in: Delete .flow2 debugging files.
1347 Fri Mar 5 11:36:11 1999 Nick Clifton <nickc@cygnus.com>
1349 * config/arm/arm.c (arm_override_options): Change default target
1350 cpu selection so that enabling TARGET_APCS_32 does not override
1353 Fri Mar 5 19:26:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1355 * sh.h (SLOW_BYTE_ACCESS): Define to 1.
1356 (BOOL_TYPE_SIZE): Define.
1358 Fri Mar 5 02:14:54 1999 John Wehle (john@feith.com)
1360 * function.c (assign_stack_temp_for_type): Abort
1361 if mode == Blkmode and align is less than
1362 BIGGEST_ALIGNMENT / BITS_PER_UNIT.
1363 (assign_stack_temp_for_type): Round the size parameter
1364 passed to assign_stack_local instead of size itself.
1366 Thu Mar 4 15:00:35 1999 Richard Henderson <rth@cygnus.com>
1368 * flow.c (delete_unreachable_blocks): Mark blocks as they
1369 are put on to the worklist, not as they are taken off.
1371 Thu Mar 4 00:05:44 1999 Jeffrey A Law (law@cygnus.com)
1373 * function.c (current_function_has_computed_jump): Remove duplicate
1376 Wed Mar 3 19:09:11 1999 Jim Wilson <wilson@cygnus.com>
1378 * m68k/m68020-elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Undef.
1379 (STARTFILE_SPEC, ENDFILE_SPEC): Define to empty string.
1381 * sparc/elf.h (MULDI3_LIBCALL, DIVDI3_LIBCALL, UDIVDI3_LIBCALL,
1382 MODDI3_LIBCALL, UMODDI3_LIBCALL, STDC_0_IN_SYSTEM_HEADERS): Undef.
1383 (INIT_SUBTARGET_OPTABS): Define to empty.
1385 Wed Mar 3 00:00:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1387 * sh.c (force_into): New function.
1388 (expand_block_move): Use it.
1390 Tue Mar 2 10:39:43 1999 Nick Clifton <nickc@cygnus.com>
1392 * cccp.c (struct default_include): Add 'included' field.
1393 (main): Set 'included' field when a default include directory
1394 is added to the chain. If -v is specified list all default
1395 include directories which do not get appended to the chain.
1397 Tue Mar 2 09:24:10 1999 Nick Clifton <nickc@cygnus.com>
1399 * configure.in (gxx_include_dir): Rename to
1400 gcc_gxx_include_dir in order to prevent it being overridden by
1401 a top level Makefile.
1402 (gcc_tooldir): If $exec_prefix != $prefix then use the
1403 difference between the two as the basis for gcc_tooldir.
1405 * configure: Rebuild.
1407 * Makefile.in: Rename gxx_include_dir to gcc_gxx_include_dir.
1409 Tue Mar 2 16:45:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1411 * unroll.c (copy_loop_body): Don't make extra copies of
1412 NOTE_INSN_LOOP_CONT notes.
1414 Tue Mar 2 07:44:56 1999 Mark Mitchell <mark@markmitchell.com>
1416 * tree.c (save_tree_status): Don't treat functions with no context
1419 Tue Mar 2 09:37:05 1999 Robert Lipe <robertlipe@usa.net>
1421 * Makefile.in (MAKEINFO): Use makeinfo built from sibling
1422 tree when available.
1424 Tue Mar 2 10:12:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1426 * alpha.c (alpha_cpu_name, alpha_cpu_string, alpha_tp_string,
1427 alpha_fprm_string, alpha_fptm_string, alpha_mlat_string,
1428 current_function_file): Add the `const' keyword.
1429 (normal_memory_operand): Mark parameter `mode' with
1431 (alpha_expand_unaligned_load): Add a default case to a switch.
1433 * alpha.h (alpha_cpu_string, alpha_fprm_string, alpha_fptm_string,
1434 alpha_tp_string, alpha_mlat_string): Add the `const' keyword.
1435 (normal_memory_operand): Add prototype.
1437 * alpha.md: Cast an expression to `unsigned HOST_WIDE_INT' when
1438 comparing against one.
1440 Tue Mar 2 10:00:21 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1442 * mips.c (abort_with_insn): Make function static, add a prototype,
1443 constify 2nd parameter and mark with ATTRIBUTE_NORETURN.
1444 (current_function_file, mips_cpu_string, mips_isa_string,
1445 mips_abi_string, mips_no_mips16_string, mips_entry_string,
1446 mips_move_1word, mips_move_2words, output_block_move, load_store,
1447 override_options, make_temp_file, mips16_fp_args): Qualify a char*
1448 with the `const' keyword.
1450 * mips.h (current_function_file, mips_cpu_string, mips_isa_string,
1451 mips_abi_string, mips_entry_string, mips_no_mips16_string,
1452 mips_move_1word, mips_move_2words, output_block_move): Likewise.
1453 (abort_with_insn): Remove extern prototype.
1455 * mips.md: Qualify a char* with the `const' keyword.
1456 Remove many unused variables named `label'.
1458 Tue Mar 2 01:27:52 1999 H.J. Lu (hjl@gnu.org)
1460 * Makefile.in (cpp_install_dir, INSTALL_CPP, UNINSTALL_CPP): New
1462 (install-cpp, uninstall-cpp): New targets.
1463 (install-normal): Depend on $(INSTALL_CPP).
1464 (uninstall): Depend on $(UNINSTALL_CPP).
1465 * configure.in (cpp_install_dir): New, substitute.
1466 (tmake_file): Added t-install-cpp for --enable-cpp.
1467 * configure: Rebuilt.
1468 * cpp.sh: New cpp script.
1469 * config/t-install-cpp: New target fragment.
1471 Tue Mar 2 01:40:01 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1472 Jeffrey A Law (law@cygnus.com)
1474 * cse.c (fold_rtx): Update comments for (const (minus (label) (label)))
1476 (cse_insn): Avoid creating a bogus REG_EQUAL note for
1477 (const (minus (label) (label)))
1478 (record_jump_cond): Fix mismatched paren in comment.
1480 Tue Mar 2 01:07:12 1999 Dan Nicolaescu <dann@godzilla.ics.uci.edu>
1482 * final.c (end_final): There are 11 words in the "main header"
1485 Tue Mar 2 00:09:18 1999 Marc Espie <espie@cvs.openbsd.org>
1487 * extend.texi: Reference __extension__ in the index.
1489 Mon Mar 1 19:09:32 1999 Jim Wilson <wilson@cygnus.com>
1491 * Makefile.in (CROSS_FLOAT_H): Delete.
1492 (FLOAT_H): Use float_h_file.
1493 (rest.cross, stmp-int-hdrs): Delete gfloat.h dependency.
1495 (stmp-int-hdrs): Use FLOAT_H instead of gfloat.h.
1496 (mostlyclean): Delete gloat.h reference.
1497 (install-cross-rest, install-float-h-cross, stmp-headers): Update
1499 * configure.in (sparcv9-*-solaris2*): Set float_format to none.
1500 (sparc-*-solaris2*): Set float_format to none for 2.5 and higher.
1501 (float_h_file): Set from float_format. Substitute into Makefile.in.
1502 (float_format): No longer substitute into Makefile.in.
1503 * cross-make (FLOAT_H): Delete.
1504 * config/mips/t-cross64 (FLOAT_H): Delete.
1505 * configure: Rebuilt.
1507 Mon Mar 1 16:36:18 1999 Jeffrey A Law (law@cygnus.com)
1509 * mips.md (div_trap_normal, div_trap_mips16): Require the dependent
1510 insn to be an INSN before looking at its pattern.
1512 Mon Mar 1 15:03:51 1999 Jim Wilson <wilson@cygnus.com>
1514 * config/m68k/lb1sf68.asm (udivsi3): Change jmi to jcs. Fix comments.
1515 * config/m68k/m68k.h (LEGITIMATE_INDEX_REG_P): Reject SIGN_EXTEND of
1516 HImode reg when TARGET_5200.
1518 Mon Mar 1 21:44:30 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1520 From Toshiyasu Morita:
1521 * sh.h (CACHE_LOG): SH2 has cache, too.
1523 Mon Mar 1 14:23:36 1999 Catherine Moore <clm@cygnus.com>
1525 * toplev.c (compile_file): Disable -ffunction-sections and
1526 debugging warning if the object format is elf.
1528 Mon Mar 1 11:46:25 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
1530 * config/h8300/h8300.c (print_operand): Use 16 bit addressing
1531 when the data in 8-bit area and can not be addressed by 8-bit.
1533 Sun Feb 28 16:40:00 1999 Richard Henderson <rth@cygnus.com>
1535 * flow.c (create_basic_block): Disregard integrated bb notes.
1537 Sun Feb 28 15:57:06 1999 Richard Henderson <rth@cygnus.com>
1539 * sparc.md (blockage, nonlocal_goto_receiver): Set length to 0.
1541 Sun Feb 28 14:47:53 1999 Arturo Montes <mitosys@colomsat.com.co>
1543 * config/i386/t-sco5gas (crti.o): New target.
1545 Sun Feb 28 15:10:17 1999 David Edelsohn <edelsohn@gnu.org>
1547 * rs6000.md (elf_high, movsi_got, *movsi_got_internal,
1548 *movsi_got_internal_mem, GOT splitter, movdf_hardfloat32,
1549 movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64,
1550 load_multiple, allocate_stack, call_indirect_aix32,
1551 call_indirect_aix64, call_value_indirect_aix32,
1552 call_value_indirect_aix64, call_indirect_nt,
1553 call_value_indirect_nt): Use gpc_reg_operand instead of
1556 Sun Feb 28 15:10:17 1999 Michael Meissner <meissner@cygnus.com>
1558 * rs6000.md (one_cmplsi2, andsi3, iorsi3, xorsi3, *eqvsi3,
1559 *andcsi3, *iorcsi3, *nandsi3, *norsi3): Add alternatives to use CR
1561 * rs6000.c (and{,64}_operand): If the user did -ffixed-cr0, don't
1562 allow andi. or andis. which always set cr0.
1564 Sun Feb 28 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
1566 * version.c: Bump for snapshot.
1568 Sun Feb 28 02:00:38 1999 Jeffrey A Law (law@cygnus.com)
1570 * invoke.texi: Update information for PA scheduling.
1572 Sat Feb 27 23:21:47 1999 Jerry Quinn <jquinn@nortelnetworks.com>
1573 Mike Stump <mrs@wrs.com>
1575 * pa.c (override_options): Change default to 7100LC
1577 * pa.h (REG_ALLOC_ORDER): Change order to allocate left half of
1578 float regs before right half of float regs.
1580 Sat Feb 27 22:48:38 1999 H.J. Lu (hjl@gnu.org)
1581 Jeffrey A Law (law@cygnus.com)
1583 * frame.h: Update some comments.
1584 * defaults.h (TARGET_ATTRIBUTE_WEAK): Define.
1585 * crtstuff.c (__register_frame_info, __deregister_frame_info): Declare
1586 using TARGET_WEAK_ATTRIBUTE.
1587 (__do_global_dtors_aux): Check if __deregister_frame_info is
1588 zero before calling it.
1589 (__do_global_dtors): Likewise.
1590 (frame_dummy): Check if __register_frame_info is zero before
1592 (__frame_dummy): Likewise.
1594 Sat Feb 27 19:18:24 1999 Jeffrey A Law (law@cygnus.com)
1596 * SERVICE: Update from the FSF.
1598 Sat Feb 27 14:31:22 1999 Arturo Montes <mitosys@colomsat.com.co>
1600 * config/i386/t-sco5 (crti.o): New target.
1601 * config/i386/sco5.h (STARTFILE_SPEC): Include crti.o when
1603 * configure.in (i[34567]86-*-sco3.2v5*): Add crti.o.
1605 Sat Feb 27 01:12:40 1999 Jeffrey A Law (law@cygnus.com)
1607 * md.texi (prologue,epilogue): Document named patterns.
1609 Fri Feb 26 19:31:25 1999 Dave Love <fx@gnu.org>
1611 * md.texi, invoke.texi: Fix unterminated @xrefs.
1613 Fri Feb 26 15:33:45 1999 Richard Henderson <rth@cygnus.com>
1615 * genattrtab.c (simplify_knowing): Fix uninitialized read
1618 * genextract.c (main): Clear recog_operands before extracting.
1620 Fri Feb 26 02:24:57 1999 Jeffrey A Law (law@cygnus.com)
1622 * c-pragma.c (add_weak); Delete. Moved into...
1623 * varasm.c (add_weak): New external function.
1624 (declare_weak): If HANDLE_PRAGMA_WEAK, then add the function to
1625 the list of weak functions.
1626 * c-pragma (add_weak): Declare.
1628 Thu Feb 25 23:43:59 1999 Richard Henderson <rth@cygnus.com>
1630 Flow rewrite to use basic block structures and edge lists:
1632 * basic-block.h (x_basic_block_head, x_basic_block_end): Kill.
1633 (basic_block_computed_jump_target, basic_block_live_at_start): Kill.
1634 (struct edge_def): New.
1635 (struct basic_block_def): New.
1636 (basic_block_info): New.
1637 (BLOCK_HEAD, BLOCK_END): Update.
1638 (ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): New.
1639 (uid_block_number): Kill.
1640 (basic_block_for_insn, BLOCK_FOR_INSN): New.
1641 (BLOCK_NUM): Update.
1642 * flow.c (XNMALLOC): Kill.
1643 (max_uid_for_flow): Kill.
1644 (uid_block_number): Kill.
1645 (uid_volatile): Turn into a bitmap.
1646 (SET_INSN_VOLATILE): New.
1647 (basic_block_info): New.
1648 (entry_exit_blocks): New.
1649 (x_basic_block_head, x_basic_block_end): Kill.
1650 (basic_block_computed_jump_target, basic_block_live_at_start): Kill.
1651 (flow_int_list_blocks, basic_block_succ, basic_block_pred): Kill.
1652 (basic_block_loop_depth): Kill.
1653 (basic_block_for_insn): New.
1654 (find_basic_blocks): Split out initial block counting into
1655 count_basic_blocks. Call functions split out of find_basic_blocks_1.
1656 (count_basic_blocks): New.
1657 (find_basic_blocks_1): Split out edge recognition, unreachable
1659 (create_basic_block): New.
1660 (compute_bb_for_insn): New.
1662 (free_bb_memory): Kill.
1663 (add_edge, add_edge_to_label): Kill.
1664 (mark_label_ref): Kill.
1665 (make_edges): Rewrite to use edge lists.
1666 (make_edge, make_label_edge): New.
1667 (mark_critical_edges): New.
1668 (split_edge, insert_insn_on_edge): New.
1669 (commit_one_edge_insertion, commit_edge_insertions): New.
1670 (delete_unreachable_blocks): Rewrite to use edge lists.
1671 Split out EH region manipulation into delete_eh_regions.
1672 Call tidy_fallthru_edge and merge_blocks.
1673 (delete_eh_regions): New.
1674 (delete_note_p): New.
1675 (delete_insn_chain): New.
1676 (delete_block): Split out code into delete_insn_chain and
1677 tidy_fallthru_edge. Update edge lists.
1678 (expunge_block): New.
1679 (flow_delete_insn): New?
1680 (can_delete_label_p): New?
1681 (merge_blocks_nomove, merge_blocks): New.
1682 (tidy_fallthru_edge): New.
1683 (calculate_loop_depth): New.
1684 (life_analysis): Allocate and free uid_volatile.
1685 (free_basic_block_vars): Update for new structures.
1686 (record_volatile_insns): Use SET_INSN_VOLATILE.
1687 (mark_regs_live_at_end): Tidy EXIT_IGNORE_STACK usage.
1688 (mark_used_regs): Likewise.
1689 (life_analysis_1): Use bb global_live_at_start, global_live_at_end,
1690 local_set regsets. Use bb->aux to store new_live_at_end. Begin
1691 life propagation from EXIT_BLOCK rather than last block. Clear
1692 regs_ever_live after mark_regs_live_at_end.
1693 (allocate_for_life_analysis): Update for new structures.
1694 (propagate_block): Split out loop depth calculation to
1695 calculate_loop_depth.
1696 (regno_uninitialized): Use bb->global_live_at_start.
1697 (regno_clobbered_at_setjmp): Likewise.
1698 (dump_bb_data): Likewise.
1699 (find_auto_inc): Use BLOCK_FOR_INSN instead of BLOCK_NUM.
1700 (dump_flow_info): Update for new structures.
1701 (dump_edge_info): New.
1702 (print_rtl_with_bb): Update for new structues.
1703 (compute_preds_succs): Do no work -- convert edge lists.
1704 (set_block_for_insn): From corpse of old set_block_num.
1705 (set_block_num): Call it.
1707 * rtl.c (note_insn_name): Add NOTE_INSN_BASIC_BLOCK.
1708 * rtl.h (rtunion_def): Add bb entry.
1709 (NOTE_BASIC_BLOCK): New.
1710 (NOTE_INSN_BASIC_BLOCK): New.
1712 * varray.h (varray_data_tag): Add bb entry.
1713 (VARRAY_BB_INIT, VARRAY_BB): New.
1715 * emit-rtl.c (emit_label_before): New.
1717 * except.c (expand_rethrow): Delete insns following the call to
1718 rethrow. Put the REG_EH_RETHROW on the call.
1720 * jump.c (returnjump_p, returnjump_p_1): New.
1722 * expr.h (nonlocal_goto_handler_labels): New declaration.
1723 * function.c (nonlocal_goto_handler_labels): Define it.
1724 (push_function_context_to): Save it.
1725 (pop_function_context_from): Restore it.
1726 (init_function_start): Clear it.
1727 (nonlocal_label_rtx_list): Kill.
1728 * function.h (struct function): Add storage space for it.
1729 * stmt.c (expand_nl_handler_label): Return the new label.
1730 (expand_nl_goto_receivers): Collect a list of them in
1731 nonlocal_goto_handler_labels.
1733 * Makefile.in (print-rtl.o): Depend on basic-block.h.
1734 (flow.o): Depend on insn-flags.h.
1736 * function.c (thread_prologue_and_epilogue_insns): Do not
1737 half-heartedly update bb structures.
1739 * toplev.c: Add flow2 dump as -dw.
1740 (rest_of_compilation): Finish .greg before flow2.
1742 * graph.c (draw_edge): Handle class 3.
1743 (print_rtl_graph_with_bb): Make abnormal edges red class 2,
1744 change non-fall-thru but adjacent to green class 3. Update
1745 to use new structures.
1747 * print-rtl.c (print_rtx): Handle NOTE_INSN_BASIC_BLOCK.
1749 * reg-stack.c (BLOCK_NUM): Convert to function. Abort if
1751 (reg_to_stack): Initialize block_num to -1.
1753 * combine.c (set_nonzero_bits_and_sign_copies): Update reference
1754 to basic_block_live_at_start to bb->global_live_at_start.
1755 (try_combine): Likewise.
1756 (reg_dead_at_p): Likewise.
1757 * global.c (global_conflicts): Likewise.
1758 Handle stack regs on all abnormal edges, not just computed jumps.
1759 (mark_elimination): Update reference to basic_block_live_at_start.
1760 (build_insn_chain): Likewise.
1761 * haifa-sched.c (haifa_edge): Rename from edge for conflict.
1762 (is_cfg_nonregular): Look at nonlocal_goto_handler_labels instead
1763 of nonlocal_label_rtx_list.
1764 (check_live_1): Update reference to basic_block_live_at_start.
1765 (update_live_1): Likewise.
1766 (find_pre_sched_live): Likewise.
1767 (find_post_sched_live): Likewise.
1768 * local-alloc.c (update_equiv_regs): Likewise.
1769 (block_alloc): Likewise.
1770 * reload1.c (reload, reload_combine): Likewise.
1771 * regmove.c (mark_flags_life_zones): Likewise.
1772 * resource.c (mark_target_live_regs): Likewise.
1773 * sched.c (schedule_block): Likewise.
1775 * regclass.c (regset_release_memory): Don't free
1776 basic_block_live_at_start.
1778 * unroll.c (copy_loop_body): Don't duplicate NOTE_INSN_BASIC_BLOCK.
1780 Thu Feb 25 21:32:34 1999 Jason Merrill <jason@yorick.cygnus.com>
1782 * fixinc.wrap: Also handle struct queue in sys/stream.h.
1783 * fixinc.svr4: Likewise.
1785 * dwarf2out.c (scope_die_for): Set scope_die to comp_unit_die
1786 rather than asserting it.
1788 Thu Feb 25 23:33:06 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1790 * cppexp.c (left_shift, right_shift, parse_charconst, COMPARE,
1791 cpp_parse_expr): Replace uses of long/HOST_BITS_PER_LONG with
1792 HOST_WIDEST_INT/HOST_BITS_PER_WIDEST_INT.
1795 * Makefile.in (cppmain.o, cpplib.o, cpphash.o, cppalloc.o,
1796 cpperror.o, cppexp.o, cppfiles.o, cppinit.o, fix-header.o,
1797 scan-decls.o): Don't depend on machmode.h.
1799 * cppexp.c: Don't define CHAR_BIT or HOST_BITS_PER_WIDE_INT anymore.
1800 Replace all instances of HOST_WIDE_INT with HOST_WIDEST_INT.
1802 * cppfiles.c: Likewise.
1804 * cpplib.c: Likewise.
1806 * cpplib.h: Likewise. Also don't include machmode.h anymore.
1808 Thu Feb 25 18:46:26 1999 Richard Henderson <rth@cygnus.com>
1810 * gcc.c (default_compilers): Define __FAST_MATH__ when appropriate.
1811 * objc/lang-specs.h: Likewise.
1813 Thu Feb 25 16:19:43 1999 Jeffrey A Law (law@cygnus.com)
1815 * pa.md (call patterns): Lose unused argument to output_call.
1817 * print-rtl.c (print_rtl): Print /j and /c for the jump/call flags.
1819 1999-02-25 17:14 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1821 * cpphash.c (install): Rename to cpp_install, add cpp_reader*
1822 first argument. All callers changed.
1824 (cpp_lookup, cpp_install): Change all refs to hashtab to
1826 (cpp_hash_cleanup): Removed.
1827 * cpphash.h: Adjust prototypes.
1828 * cpplib.h (struct cpp_reader): Add hashtab pointer.
1829 * cppinit.c (cpp_reader_init): Also allocate space for the
1831 (cpp_cleanup): Delete all macros and free the hashtab.
1833 Thu Feb 25 21:52:54 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1835 * sh.h (PASS_IN_REG_P): For TARGET_HITACHI, don't pass structures
1838 * expr.h (PRETEND_OUTGOING_VARARGS_NAMED): Provide default definition.
1839 * function.c (assign_parms): Honour PRETEND_OUTGOING_VARARGS_NAMED.
1840 * calls.c (expand_call): Likewise.
1842 * sh.c (sh_expand_prologue): For TARGET_HITACHI, don't push varargs /
1844 * sh.h (CPP_SPEC): Add -D__HITACHI__ for -mhitachi.
1845 (FUNCTION_ARG): For TARGET_HITACHI, don't pass unnamed
1846 arguments in registers.
1847 (PRETEND_OUTGOING_VARARGS_NAMED): Define.
1848 * va-sh.h (entire file): If __HITACHI__ is defined, use sh[123]
1851 Thu Feb 25 14:32:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1853 * cse.c (dump_class): Revert last change and make the prototype
1856 Thu Feb 25 19:13:42 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1858 * rtl.h (insn_first_p): Don't declare.
1859 * rtlanal.c (insn_first_p): Delete.
1860 * loop.c (loop_insn_first_p): Faster implementation.
1862 Thu Feb 25 10:44:35 1999 Richard Earnshaw (rearnsha@arm.com)
1864 * arm.h (TARGET_SWITCHES): Delete deprecated switches -m[236].
1865 (TARGET_3, TARGET_6): Delete.
1866 (ARM_FLAG_ARM[36]): Delete.
1867 (CPP_CPU_ARCH_SPEC): No need to handle -m[236] any more.
1868 (CC1_SPEC): Don't expand -m[236] into new equivalents.
1869 (CPP_APCS_PC_SPEC): No need to handle -m[236] any more.
1870 * arm.c (arm_override_options): Delete warnings about deprecated
1873 * arm.c (arm_finalize_pic): Build the label into the special pic
1874 adjustment insn instead of issuing it separately.
1875 * arm.md (pic_add_dot_plus_eight): Rework to contain the label
1878 * arm.md (*zeroextractqi_compare0_scratch): Delete.
1879 (*ne_zeroextractsi): New pattern.
1881 Thu Feb 25 18:40:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1883 * stmt.c (expand_end_loop): Grok code emitted by
1884 expand_exit_loop_if_false.
1886 Thu Feb 25 10:17:32 1999 Nick Clifton <nickc@cygnus.com>
1888 * config/arm/arm.c (return_in_memory): Float fields in unions
1889 force a return in memory.
1890 (load_multiple_sequence): Add comment explaining why two LDR
1891 instructions can be better than an LDMIA instruction.
1893 * config/arm/arm.h (TARGET_SHORT_BY_BYTES): Add comment
1894 describing the real meaning of this option.
1895 (FIXED_REGISTERS): Default r10 to not-fixed.
1896 (CALL_USED_REGISTERS): Default r10 to not-call-used.
1897 (SUBTARGET_CONDITIONAL_REGISTER_USAGE): If not defined, define
1899 (CONDITIONAL_REGISTER_USAGE): Fix r10 if TARGET_APCS_STACK is
1900 true. Invoke SUBTARGET_CONDITIONAL_REGISTER_USAGE after
1901 performing other checks.
1903 * config/arm/arm.md (zero_extendhisi2): Undo previous change.
1904 (extendhisi2): Undo previous change.
1905 Also add comments describing why TARGET_SHORT_BY_BYTES can be
1906 ignored for armv4(t) architectures.
1908 * config/arm/riscix.h (SUBTARGET_CONDITIONAL_REGISTER_USAGE):
1911 * config/arm/riscix1-1.h
1912 (SUBTARGET_CONDITIONAL_REGISTER_USAGE): Define to fix r10.
1914 Thu Feb 25 12:09:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1916 * cse.c (dump_class): Make the function definition static to match
1919 Wed Feb 24 17:47:28 1999 Jim Wilson <wilson@cygnus.com>
1921 * dbxout.c (gstab.h): Use if CROSS_COMPILE.
1923 * dwarf2out.c (add_location_or_const_value_attribute): Add big
1924 endian correction for parms passed in regs but living on the stack.
1926 Wed Feb 24 14:03:54 1999 Jeffrey A Law (law@cygnus.com)
1928 * calls.c (initialize_argument_information): New function extracted
1930 (expand_call): Use initialize_argument_information. Remove variables
1931 which are no longer used due to cleanups.
1933 * calls.c (compute_argument_block_size): New function, extracted from
1935 (expand_calls): Use compute_argument_block_size. Delete
1936 original_args_size, use unadjusted_args_size instead.
1938 * calls.c (precompute_arguments): New function, extracted from
1940 (expand_call): Use precompute_arguments.
1942 * calls.c (finalize_must_preallocate): New function, extracted from
1944 (expand_call): Use finalize_must_preallocate.
1946 * calls.c (store_one_arg): Mark "variable_size" as possibly unused.
1948 * regclass.c (record_reg_classes, case 'p'): Set classes appropriately.
1949 An alternative always fails if it needs a pseudo and no suitable
1950 register class can be found.
1952 Wed Feb 24 19:47:56 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1954 * loop.h (loop_insn_first_p): Declare.
1955 * loop.c (loop_insn_first_p): No longer static.
1956 * unroll.c (iteration_info) Fix comparison to
1957 reg_iv_type->num_elements.
1958 Before accessing reg_biv_class, check index against
1959 max_reg_before_loop.
1960 Fix and enable code for giv iterators.
1961 (loop_iterations): Compare with reg_iv_type->num_elements instead
1962 of with max_reg_before_loop.
1964 Wed Feb 24 19:17:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1966 * unroll.c (unroll_loop): Avoid out-of-bounds index for local_regno.
1968 Wed Feb 24 11:26:41 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
1970 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Don't use
1971 PIC_OFFSET_TABLE_REGNUM for register allocation when -fPIC.
1973 Tue Feb 23 16:24:19 CET 1999 Marc Lehmann <pcg@goof.com>
1975 * config/i386/i386.md: fix typoe.
1977 Mon Feb 22 19:36:33 1999 Andrew Cagney <cagney@b1.cygnus.com>
1979 * config/mips/mips.c (mips_debugger_offset): When TARGET_MIPS16 &&
1980 frame_pointer_needed adjust frame size.
1981 (function_prologue): Don't MIPS16 .mask GPOFFSET. Already adjusted
1982 in .frame pseudo-op.
1983 Frm Jim Wilson <wilson@cygnus.com>:
1984 * mips.c (function_prologue): Adjust frame size in .frame pseudo-op
1985 when TARGET_MIPS16 && frame_pointer_needed.
1987 1999-02-22 Nick Clifton <nickc@cygnus.com>
1989 * config/arm/arm.h: Add TARGET_CPU_strongarm1100.
1990 Add -mno-sched command line switch to disable scheduling of
1991 instructions into the function's prologue.
1992 (enum processor_type): Remove.
1993 (TARGET_OPTIONS): Add "fpe=" option to match documentation.
1994 (struct arm_cpu_select): Replace 'set_tune_p' and 'set_arch_p'
1995 fields with 'processors' field.
1996 (CONDITIONAL_REGISTER_USAGE): Allow r10 to be used if stack
1997 checking is not enabled.
1998 (RETURN_IN_MEMORY): Always call arm_return_in_memory.
2000 * config/arm/arm.c: (arm_cpu): Remove.
2001 (tune_flags): Remove.
2002 (arm_is_strong): New variable: true iff the target processor is a
2004 (arm_is_6_or_7): New variable: true iff the target processor is an
2006 (arm_select): Fields reorganised.
2007 (struct processors): processor_type field removed.
2008 (all_procs): Remove.
2009 (all_cores): New array: Definitions of all known ARM cpu cores.
2010 (all_architectures): New array: Definitions of all known ARM
2013 (FL_SCHED): New processor flag: processor required load
2015 (FL_STRONG): New processor flag: processor is a StrongARM.
2016 (arm_override_options): Reorganised to make code clearer.
2017 (use_return_insn): Test for "not (TARGET_APCS and
2018 frame_pointer_needed)".
2019 (arm_return_in_memory): Improve handling of structures.
2021 * config/arm/arm.md: Remove "cpu" attribute. Replace with
2022 "is_strongarm" and "is_arm_6_or_7" attributes.
2023 (zero_extendhisi2): Check for TARGET_SHORT_BY_BYTES before
2025 (extendhisi2): Check for TARGET_SHORT_BY_BYTES before arm_arch4.
2027 * invoke.texi (ARM Options): Document -mtune= and -mfp= options.
2029 1999-02-22 Philip Blundell <philb@gnu.org>
2031 * config/arm/linux-gas.h (INITIALIZE_TRAMPOLINE): Replace default
2032 definition with one including cache synchronisation.
2033 (CLEAR_INSN_CACHE): Correct syscall number and enable definition.
2034 Move definition of inhibit_libc to...
2035 * config/arm/xm-linux.h: ... here.
2037 * config/arm/t-linux: Disable multilib configurations since the
2038 only effect for most people is to cause builds to fail.
2040 * config/arm/elf.h (ASM_FILE_START): Add .file directive.
2041 (ASM_SPEC): Translate -mapcs-float to -mfloat for the assembler.
2043 * config/arm/linux-elf.h (DEFAULT_VTABLE_THUNKS): Define.
2044 (HANDLE_SYSV_PRAGMA): Likewise.
2045 (LIB_SPEC): Copy definition from generic Linux files.
2046 (LIBGCC_SPEC): Include -lfloat if -msoft-float was given.
2047 (FP_DEFAULT): Set to SOFT3 on 32-bit targets.
2048 (DWARF2_DEBUGGING_INFO): Define.
2049 (PREFERRED_DEBUGGING_TYPE): Define as DBX_DEBUG.
2051 Mon Feb 22 16:54:18 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
2053 * loop.c (libcall_other_regs): Make extern.
2054 * rtl.h (find_last_value): Add parameter to prototype.
2055 (libcall_other_reg): Add extern declaration.
2056 * rtlanal.c (find_last_value): Add another parameter to allow
2057 a definition using a hardware register to be found as well.
2059 Mon Feb 22 13:33:47 1999 Mark Mitchell <mark@markmitchell.com>
2061 * cse.c (dump_class): New function.
2062 (invalidate_memory): Fix typo in comment.
2063 * function.c (temp_slot): Add an alias set field.
2064 (assign_stack_temp): Only reuse slots if they will have the
2065 same alias set as before.
2066 (combine_temp_slots): Don't combine if -fstrict-aliasing;
2068 * rtl.c (copy_rtx): Copy all the flags (in particular,
2071 Mon Feb 22 14:13:23 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
2073 * configure.in (i[34567]86-*-linux-gnu*,
2074 i[34567]86-*-linux-gnulibc1, i[34567]86-*-linux-gnuaout*,
2075 i[34567]86-*-linux-gnuoldld*): Use fixinc.x86-linux-gnu as
2078 * configure: Rebuilt.
2080 * fixinc.x86-linux-gnu: New script for fixing asm-statements bug
2083 * fixinc/fixinc.x86-linux-gnu: Copy of the previous one.
2085 * fixinc/mkfixinc.sh (i[34567]86-*-linux-gnu*,
2086 i[34567]86-*-linux-gnulibc1, i[34567]86-*-linux-gnuaout*,
2087 i[34567]86-*-linux-gnuoldld*): Use fixinc.x86-linux-gnu as
2090 Mon Feb 22 08:55:05 1999 Ovidiu Predescu <ovidiu@cup.hp.com>
2092 * objc/objc-act.c (encode_type): Temporary revert to the old
2093 behavior of encoding types as the new one seems to break the
2094 encoding of bitfields.
2096 Mon Feb 22 11:40:44 1999 Craig Burley <craig@jcb-sc.com>
2097 Sat Feb 20 09:59:36 1999 Craig Burley <craig@jcb-sc.com>
2099 * Makefile.in (all.internal, all.cross): Depend on `doc'
2100 target, to ensure docs get made before installation.
2103 Decrease spurious warnings from -fsyntax-only:
2104 * stmt.c (expand_expr_stmt): Expand expr even when -fsyntax-only.
2106 Mon Feb 22 10:55:00 1999 Gavin Romig-Koch <gavin@cygnus.com>
2108 * c-lex.c (yylex): Replace warning about integer constants being
2109 larger than long-longs, with a warning about integer constants
2110 being larger than the largest target integer.
2112 Mon Feb 22 08:35:38 1999 Craig Burley <craig@jcb-sc.com>
2114 Fix -fsyntax-only ICEs:
2115 * varasm.c (assemble_zeros, assemble_variable,
2116 output_constant_def): Do nothing when -fsyntax-only.
2118 Fri Feb 19 18:18:56 1999 Don Bowman <don@pixstream.com>
2120 * configure.in (mips*-*-vxworks*): Enable gthreads vxworks support.
2121 * configure: Rebuilt.
2123 Sun Feb 21 20:34:44 PST 1999 Jeff Law (law@cygnus.com)
2125 * version.c: Bump for snapshot.
2127 Sun Feb 21 20:35:10 1999 Jeffrey A Law (law@cygnus.com)
2129 * config/aoutos.h (ASM_OUTPUT_CONSTRUCTOR): Delete.
2130 (ASM_OUTPUT_DESTRUCTOR, ASM_OUTPUT_GC_ENTRY): Likewise.
2131 * tm.texi: Update docs for constructors and destructors.
2133 Sun Feb 21 17:11:18 1999 Richard Henderson <rth@cygnus.com>
2135 * genattrtab.c (check_attr_value): Allow negative const_int if
2136 negative_ok. Accept integral arithmetic operators. Accept
2137 direct references to other attributes. Accept symbol_ref in
2138 non-constant attributes.
2139 (max_attr_value): Add new argument `unknownp'. Update all callers.
2140 (or_attr_value): Likewise.
2141 (simplify_knowing): Don't optimize if max_attr_value unknown.
2142 (write_length_unit_log): Likewise with or_attr_value.
2143 (find_and_mark_used_attributes): Don't fallthru case.
2144 (write_attr_set): Pass thru all non-cond expressions.
2145 (write_attr_value): Handle symbol_ref, attr, and arithmetic.
2147 Sun Feb 21 13:16:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2149 * regmove.c (discover_flags_reg): Use word_mode instead of SImode.
2151 Sun Feb 21 13:15:40 1999 Richard Henderson <rth@cygnus.com>
2153 * regmove.c (discover_flags_reg): Remove cc0 code.
2154 (mark_flags_life_zones) [HAVE_cc0]: Force use of cc0; bail if
2155 a potential flags register was identified.
2157 Sat Feb 20 16:16:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2159 * rs6000.md (scc plus ltu): Fix typo in last change.
2161 Sat Feb 20 09:08:44 1999 Richard Earnshaw (rearnsha@arm.com)
2163 * xm-arm.h (HOST_BITS_PER_LONGLONG): Define.
2165 Fri Feb 19 23:02:02 1999 Richard Henderson <rth@cygnus.com>
2167 * regmove.c (discover_flags_reg): New function.
2168 (flags_set_1, mark_flags_life_zones): New functions.
2169 (regmove_optimize): Call them.
2170 (fixup_match_1): Use insn modes rather than sets_cc0_p.
2172 Fri Feb 19 22:47:01 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2174 * rtlanal.c (insn_first_p): Fix return value for insn == reference.
2176 * loop.c (strength_reduce, check_final_value, check_dbra_loop):
2177 Use loop_insn_first_p.
2179 Fri Feb 19 15:49:26 1999 Michael Meissner <meissner@cygnus.com>
2180 David Edelsohn <edelsohn@gnu.org>
2182 * rs6000.md (scc plus eq): Fix output template.
2183 (scc plus ltu): Fix output template and collapse variants
2184 correcting early clobbers.
2185 (scc plus geu): Fix output template.
2186 (scc plus gt): Fix output template.
2187 (scc plus gtu): Fix output template and collapse variants.
2189 Fri Feb 19 15:43:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2191 * cppinit.c (print_help): Remove unescaped newline in string.
2193 Fri Feb 19 19:55:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2195 * loop.c (strength_reduce): Check for intervening jumps when
2196 converting biv increment to giv.
2198 Thu Feb 18 16:36:58 1999 Per Bothner <bothner@cygnus.com>
2200 * tree.def (TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR): New tree nodes,
2201 * expr.c (expand_expr): Support new tree nodes.
2203 Fri Feb 19 10:17:56 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2205 * config/m68k/m68k.c (m68k_align_loops_string,
2206 m68k_align_jumps_string, m68k_align_funcs_string): Add const.
2207 * config/m68k/m68k.h (m68k_align_loops_string,
2208 m68k_align_jumps_string, m68k_align_funcs_string): Likewise.
2210 Thu Feb 18 23:28:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2212 * bitmap.c (bitmap_print): Qualify a char* with the `const' keyword.
2214 * bitmap.h (bitmap_print): Likewise.
2216 * c-decl.c (builtin_function, grokdeclarator, grokfield): Likewise.
2218 * c-lang.c (build_objc_string): Likewise.
2220 * c-lex.c (yyerror, extend_token_buffer): Likewise. Don't include
2221 limits.h or ctype.h. Remove unused variable `p'.
2223 * c-lex.h (yyerror): Qualify a char* with the `const' keyword.
2225 * c-pragma.c (handle_pragma_token): Likewise.
2227 * c-pragma.h (handle_pragma_token): Likewise.
2229 * c-tree.h (build_objc_string, builtin_function, grokfield,
2230 build_indirect_ref, lvalue_or_else, readonly_warning, error_init,
2231 pedwarn_init): Likewise.
2233 * c-typeck.c (convert_for_assignment, warn_for_assignment,
2234 push_string, warning_init, incomplete_type_error,
2235 build_indirect_ref, lvalue_or_else, readonly_warning,
2236 build_c_cast, spelling, push_member_name, print_spelling,
2237 error_init, pedwarn_init, start_init): Likewise.
2239 * objc/objc-act.c (build_objc_string): Likewise.
2241 * print-tree.c (print_node_brief, print_node): Likewise.
2243 * tree.h (lvalue_or_else, print_node, print_node_brief): Likewise.
2245 Thu Feb 18 20:44:21 1999 David Edelsohn <edelsohn@gnu.org>
2247 * regclass.c (record_reg_classes): Correctly handle 'p' constraint.
2249 Thu Feb 18 19:59:37 1999 Marc Espie <espie@cvs.openbsd.org>
2251 * configure.in :Handle OpenBSD platforms.
2252 * configure: Rebuilt.
2253 * config/openbsd.h: New file.
2254 * config/xm-openbsd.h: New file.
2255 * config/t-openbsd: New file.
2256 * config/t-openbsd-thread: New file.
2258 Thu Feb 18 18:47:09 1999 Jeffrey A Law (law@cygnus.com)
2260 * function.c (assign_stack_temp_for_type): Round SIZE before calling
2261 assign_stack_local for BLKmode slots.
2263 Fri Feb 19 01:45:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2265 * loop.c (strength_reduce): For derived givs, replace the
2266 giv this was derived from with its new_reg.
2267 (recombine_givs): Don't set new_reg for derived giv.
2268 And don't print it, print SUM instead.
2270 Thu Feb 18 15:52:49 1999 Jim Wilson <wilson@cygnus.com>
2272 * m68kelf.h (ASM_RETURN_CASE_JUMP): Add 5200 support.
2274 1999-02-18 18:32 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2276 * cpplib.c: Kill define of STDC_VALUE. Don't include output.h
2277 or prefix.h. Change CPP_IS_MACRO_BUFFER to not refer to
2279 (GET_ENV_PATH_LIST, PATH_SEPARATOR, STANDARD_INCLUDE_DIR,
2280 predefs, SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
2281 CPP_WCHAR_TYPE, USER_LABEL_PREFIX, REGISTER_PREFIX, struct
2282 cpp_pending, version_string, struct default_include,
2283 include_defaults_array, path_include, cpp_options_init,
2284 dump_special_to_buffer, initialize_builtins, cpp_start_read,
2285 cpp_reader_init, nreverse_pending, push_pending, print_help,
2286 cpp_handle_option, cpp_handle_options, cpp_finish,
2287 cpp_cleanup): Move to cppinit.c.
2288 (macro_cleanup, struct arglist, collect_expansion,
2289 create_definition, compare_defs, comp_def_part, ARG_BASE,
2290 struct argdata, macarg, change_newlines, timestamp,
2291 monthnames, special_symbol, unsafe_chars, macroexpand,
2292 push_macro_expansion): Move to cpphash.c.
2293 (quote_string, check_macro_name, cpp_expand_to_buffer,
2294 output_line_command, cpp_undef): Export.
2295 (null_underflow, null_cleanup, handle_directive): Make static.
2297 * cpplib.h: Prototype now-exported functions. Adjust decls of
2298 syntax tables so we can include cpplib.h in cppinit.c.
2299 * cpphash.h: Prototype all functions exported by cpphash.c.
2300 * cppinit.c: Make syntax tables initialized data if possible
2301 (uses GCC designated-initializer extension).
2302 * cppexp.c: Make cpp_lex static.
2303 * Makefile.in: Move -D switches for the various include dirs
2304 from cpplib.o rule to cppinit.o rule. Adjust dependencies.
2306 Thu Feb 18 13:15:56 1999 Marc Espie <espie@cvs.openbsd.org>
2308 * alpha/openbsd.h: New file.
2309 * alpha/xm-openbsd.h: New file.
2310 * sparc/openbsd.h: New file.
2311 * sparc/xm-openbsd.h: New file.
2312 * m68k/openbsd.h: New file.
2313 * m68k/xm-openbsd.h: New file.
2314 * i386/openbsd.h: New file, originally from netbsd.
2315 * i386/xm-openbsd.h: New file.
2317 1999-02-17 14:49 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2319 * Makefile.in: Correct dependencies for cpplib object files.
2321 Wed Feb 17 14:04:18 1999 Michael Meissner <meissner@cygnus.com>
2323 * rs6000.md ({add,sub}si3 `.'): Add alternatives to use CR other
2326 Wed Feb 17 16:59:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2328 * loop.c (strength_reduce): Don't move giv insn for biv turned giv
2331 Wed Feb 17 10:56:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2333 * tree.c (tree_node_kind_names, print_obstack_name,
2334 get_identifier, maybe_get_identifier, build_string,
2335 build_expr_wfl, is_attribute_p, lookup_attribute,
2336 print_obstack_statistics, get_file_function_name_long, tree_check,
2337 tree_class_check, expr_check): Qualify a char* with the `const'
2340 * tree.h (get_identifier, maybe_get_identifier, build_string,
2341 build_expr_wfl, is_attribute_p, lookup_attribute,
2342 print_obstack_statistics, print_obstack_name, tree_check,
2343 tree_class_check, expr_check): Likewise.
2345 Tue Feb 16 21:29:38 1999 Jeffrey A Law (law@cygnus.com)
2347 * i386/freebsd-elf.h, i386/gas.h, i386/linux.h: Fix minor spacing
2350 * calls.c (store_one_arg): Mark any slots used for the argument
2351 as in-use immediately after we're done saving any slots which
2352 will be overwritten by this argument.
2354 Tue Feb 16 21:02:07 1999 Anton Hartl <toni@devsoft.com>
2356 * rs6000.md (call_value): Fix typo.
2358 Wed Feb 17 01:29:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2360 * loop.c (strength_reduce): Calculate maybe_dead before
2361 calling recombine_givs.
2363 Wed Feb 17 00:43:12 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2365 * loop.c (strength_reduce): Dump biv increment -> giv conversions.
2367 Tue Feb 16 15:31:39 1999 Ovidiu Predescu <ovidiu@cup.hp.com>
2369 * objc/objc-act.c (encode_type): Encode the type instead of
2370 encoding the mode of the type (patch from Richard Frith-Macdonald
2371 <richard@brainstorm.co.uk>).
2373 Tue Feb 16 10:53:51 1999 Richard Earnshaw (rearnsha@arm.com)
2375 * config/arm/arm.md (*zeroextractqi_compare0_scratch): Re-add load
2376 instruction killed in previous change. Simplify mask generation.
2377 (*zeroextractsi_compare0_scratch): Simpify mask generation.
2379 Tue Feb 16 09:52:26 1999 Nick Clifton <nickc@cygnus.com>
2381 * config/arm/arm.md (zeroextractqi_compare0_scratch): Ensure that
2382 bitfield does not overflow a byte boundary.
2384 Tue Feb 16 01:37:33 1999 Charles G Waldman <cgw@alum.mit.edu>
2386 * c-common.c (shorten_compare): Get the min/max value from the
2387 underlying type of an enumeration, not the enumerated type itself.
2389 Mon Feb 15 23:04:48 1999 Jeffrey A Law (law@cygnus.com)
2391 * jump.c: Include insn-attr.h.
2392 (delete_computation): If reload has completed and insn scheduling
2393 after reload is enabled, then do not depend on REG_DEAD notes.
2394 * Makefile.in (jump.o): Depend on insn-attr.h.
2396 Mon Feb 15 16:57:38 1999 Richard Henderson <rth@cygnus.com>
2398 * i386.md (addsi3): Allow lea for any constant_p.
2400 1999-02-15 17:11 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2402 * toplev.c (documented_lang_options): Remove -fident and
2403 -fnoident, which are now handled by the language independent
2406 1999-02-15 16:59 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2408 * c-common.c (UNGETC [USE_CPPLIB=1]): Do nothing if c is EOF.
2409 * c-lex.c: Likewise.
2410 * cpplib.c (cpp_push_buffer, cpp_pop_buffer): Use a linked
2411 list in malloced memory for the buffer stack.
2412 (cpp_get_token): Don't pop the last buffer off the stack.
2413 Calls after CPP_EOF has been returned produce CPP_EOF with no
2415 (cpp_finish): Pop last buffer here.
2416 (do_line): Don't free ip->last_nominal_fname if it is equal to
2418 (special_symbol): If a T_CONST is the empty string, push a
2419 single `@ ' escape instead.
2420 (macroexpand): Special symbol buffers have escapes too.
2421 * cpplib.h (struct cpp_buffer): Remove unused fields, add prev
2423 (struct cpp_reader): Remove buffer_stack. Add
2425 (CPP_PREV_BUFFER, CPP_NULL_BUFFER): Buffer stack is now a
2428 Mon Feb 15 14:44:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2430 * cccp.c: Don't define HOST_WIDE_INT. Replace all occurrences of
2431 WIDE_INT with WIDEST_INT.
2434 Don't define unsigned_HOST_WIDE_INT, CHAR_BIT or
2435 HOST_BITS_PER_WIDE_INT. Replace occurrences of PRINTF_PROTO_1()
2436 style with PVPROTO() ATTRIBUTE_PRINTF_1 style macros. Replace
2437 occurrences of "unsigned_HOST" with "unsigned HOST". Provide a
2438 definition of variable `c89' when compiling a test binary and set it.
2440 * system.h: Don't define the PRINTF_PROTO_* macros.
2442 Mon Feb 15 11:33:51 1999 Jeffrey A Law (law@cygnus.com)
2444 * loop.c (mark_loop_jump): Handle LO_SUM. If we encounter something
2445 we do not understand, mark the loop and containing loops as invalid.
2447 Mon Feb 15 00:40:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2449 * alias.c (init_alias_analysis): Avoid self-referential value
2450 when setting reg_known_value from REG_EQUAL notes.
2452 Sun Feb 14 23:12:10 1999 Richard Henderson <rth@cygnus.com>
2454 * i386.c (legitimate_address_p): Verify modes of base and index.
2456 Sun Feb 14 23:01:28 1999 Richard Henderson <rth@cygnus.com>
2458 * i386.c (legitimate_pic_address_disp_p): Remove static.
2459 * i386.h (LEGITIMATE_PIC_OPERAND_P): Use it instead of
2462 Sun Feb 14 21:03:28 1999 Jeffrey A Law (law@cygnus.com)
2464 * except.c (start_catch_handler): Use emit_cmp_and_jump_insns.
2465 * explow.c (probe_stack_range): Likewise.
2466 * expmed.c (do_cmp_and_jump): Likewise.
2467 * expr.c (store_expr, expand_expr, expand_builtin): Likewise.
2468 (do_tablejump): Likewise.
2469 * stmt.c (expand_expr_stmt, expand_end_case): Likewise.
2470 (do_jump_if_equal, emit_case_nodes): Likewise.
2471 * optabs.c (emit_cmp_and_jump_insns): Clarify comments. If UNSIGNEDP,
2472 then convert comparison to an unsigned code before emitting the jump.
2473 (expand_float, expand_fix): Use emit_cmp_and_jump_insns.
2475 Sun Feb 14 02:24:15 PST 1999 Jeff Law (law@cygnus.com)
2477 * version.c: Bump for snapshot.
2479 Sun Feb 14 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
2481 * version.c: Bump for snapshot.
2483 Sun Feb 14 00:45:50 1999 Jeffrey A Law (law@cygnus.com)
2485 * loop.c: Disable recent loop changes. Temporary as Joern
2486 continues to fix problems.
2488 Sat Feb 13 23:29:42 1999 Richard Henderson <rth@cygnus.com>
2490 * loop.c (combine_givs_used_by_other): Delete.
2491 (combine_givs_benefit_from): Delete.
2492 (combine_givs): Deny combination of givs only used once. Simplify
2493 code with the death of combine_givs_benefit_from.
2495 Sun Feb 14 11:24:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2497 * loop.c (scan_loop): Call reg_in_basic_block_p before
2498 loop_reg_used_before_p.
2500 Sat Feb 13 05:32:00 1999 Richard Earnshaw (rearnsha@arm.com)
2502 * arm.md: Use gen_rtx_FOO instead of gen_rtx (FOO, ...).
2506 * arm.h (TARGET_OPTIONS): Reformat for clarity.
2507 (GO_IF_LEGITIMATE_ADDRESS): When generating PIC, references to symbols
2508 in the constant pool aren't valid.
2509 (LEGITIMATE_PIC_OPERAND_P): Likewise.
2511 * arm.c: Include "system.h", not stdio.h and string.h.
2513 Fri Feb 12 13:06:28 1999 Jim Wilson <wilson@cygnus.com>
2515 * stmt.c (expand_return): Return if optimize_tail_recursion succeeded.
2516 (optimize_tail_recursion): Change return type from void to int.
2517 Add return statements.
2518 * tree.h (optimize_tail_recursion): Change prototype to match.
2520 Fri Feb 12 21:09:51 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2522 * reload.c (find_reloads_subreg_address): New function, broken out of
2523 find_reloads_toplev.
2524 (find_reloads_toplev, find_reloads_address_1): Use it.
2526 Fri Feb 12 13:20:52 1999 Jeffrey A Law (law@cygnus.com)
2528 * h8300.md (zero_extendhisi2 H8/300 variant): Correctly handle
2529 extending a CONST_INT.
2531 * h8300.md (peephole for combining memrefs): Delete incorrect peephole.
2533 Fri Feb 12 18:29:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2535 * loop.c (loop_insn_first_p, biv_elimination_giv_has_0_offset):
2537 (maybe_eliminate_biv_1): Use biv_elimination_giv_has_0_offset.
2539 Fri Feb 12 16:56:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2541 * loop.c (load_mems): Don't guess how to do a load / store, use
2544 Fri Feb 12 09:24:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2546 * system.h: Provide a definition for HOST_WIDEST_INT, etc.
2548 Fri Feb 12 23:37:26 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2550 * config/c4x/c4x.c (c4x_address_cost): Revert 9 Feb change.
2552 Fri Feb 12 00:51:26 1999 Jeffrey A Law (law@cygnus.com)
2554 * reload.c (find_reloads_address_1): Fix handling of an autoincremented
2555 pseudo which is homed in the stack.
2557 * mips.c (save_restore_insns): Fix loop to save/restore FP registers.
2558 (compute_frame_size): Change loop over FP regs to be consistent
2559 with the loop in save_restore_insns.
2561 Thu Feb 11 17:38:40 1999 Jim Wilson <wilson@cygnus.com>
2563 * i960/i960.h (OVERRIDE_OPTIONS): Warn if -mlong-double-64 is used.
2564 (LONG_DOUBLE_TYPE_SIZE): Undef then unconditionally define to 96.
2566 Thu Feb 11 15:11:35 1999 Jeffrey A Law (law@cygnus.com)
2568 * mn10200.md (bset); Re-enable.
2570 Thu Feb 11 15:20:49 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2572 * sh.md (is_sfunc): New attribute.
2573 * sh.h (INSN_SETS_ARE_DELAYED, INSN_REFERENCES_ARE_DELAYED): Use it.
2575 Thu Feb 11 01:06:49 1999 Nathan Sidwell <nathan@acm.org>
2577 * fold-const.c (range_binop): Take account of the bounded nature
2578 of fixed length arithmetic when comparing unbounded ranges.
2580 Thu Feb 11 00:08:17 1999 John Wehle (john@feith.com)
2582 * function.c (assign_stack_temp_for_type): Clear best_p
2583 when an exact match is found.
2585 * i386.h (LOCAL_ALIGNMENT): Define.
2586 * function.c (assign_stack_local, assign_outer_stack_local): Use it.
2587 (assign_stack_temp_for_type): New function based on assign_stack_temp.
2588 (assign_stack_temp): Call it.
2589 (assign_temp): Use assign_stack_temp_for_type, not assign_stack_temp.
2590 * stmt.c: Use assign_temp, not assign_stack_temp.
2591 * tm.texi: Document LOCAL_ALIGNMENT.
2593 Wed Feb 10 23:28:28 1999 Jeffrey A Law (law@cygnus.com)
2595 * reorg.c: Finish deleting half-deleted comment.
2597 Wed Feb 10 17:12:21 1999 Jim Wilson <wilson@cygnus.com>
2599 * emit-rtl.c (operand_subword): Sign extend REAL_VALUE_TO_TARGET_SINGLE
2601 * final.c (split_double): Sign extend REAL_VALUE_TO_TARGET_DOUBLE
2603 * real.c (endian): Delete sign extension code.
2604 * config/m32r/m32r.md (movsf_insn+1): REAL_VALUE_TO_TARGET_SINGLE call
2605 replaced with operand_subword call.
2607 Wed Feb 10 15:16:39 1999 Richard Henderson <rth@cygnus.com>
2609 * alpha.md (cmov compound patterns): Delete. Jump can now
2610 create the correct constructs in the first place.
2612 Wed Feb 10 11:03:22 1999 Richard Henderson <rth@cygnus.com>
2614 * configure.in (alphaev6*): Fix typo in target_cpu_default2.
2616 Wed Feb 10 13:59:18 1999 Dave Brolley <brolley@cygnus.com>
2618 * mbchar.c (local_mb_cur_max): Handle the case where MB_CUR_MAX is 0.
2620 Wed Feb 10 10:35:05 1999 Jim Wilson <wilson@cygnus.com>
2622 * tmp-emsgids.c: Delete.
2624 Wed Feb 10 09:57:08 1999 Mark Mitchell <mark@markmitchell.com>
2626 * rtlanal.c (for_each_rtx): Fix declaration to conform to GNU
2629 Wed Feb 10 10:09:41 1999 Jeffrey A Law (law@cygnus.com)
2631 * mn10200.md (bset, bclr): Operand 0 is a read/write operand.
2633 * reload1.c (reload_combine_note_store): Second argument is no
2634 longer unused/ignored. Handle multi-register hard regs.
2635 (move2add_note_store): Simplify.
2637 Wed Feb 10 10:05:23 1999 Mumit Khan <khan@xraylith.wisc.edu>
2639 * collect2.c (collect_execute): Remove cygwin-specific code.
2641 Tue Feb 9 17:27:29 GMT 1999 Nathan Sidwell <nathan@acm.org>
2643 * system.h (_, N_): Remove dummy i18n macros.
2644 * protoize.c: Move inclusion of intl.h to after system.h.
2645 * cexp.y: Include intl.h.
2648 Tue Feb 9 16:52:22 1999 Mumit Khan <khan@xraylith.wisc.edu>
2650 * i386/cygwin.h (SUBTARGET_OVERRIDE_OPTIONS): New macro to ignore
2651 fpic/fPIC for windows32 targets.
2652 * i386/xm-cygwin.h (GET_ENV_PATH_LIST): Replace '\\' in windows32
2654 * i386/mingw32.h (CPP_SPEC): Define.
2655 (CPP_PREDEFINES): Add MINGW32 version id.
2656 * i386/crtdll.h (CPP_PREDEFINES): Likewise.
2658 * Makefile.in (collect2$(exeext)): Delete redundant dependency and
2659 add missing exeext to target.
2661 * gcc.c (convert_filename): Handle null filename argument.
2663 Wed Feb 10 15:46:10 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2665 * config/c4x/c4x.md (*movhf_noclobber, *movhi_noclobber): Use
2666 m constraint instead of QT.
2668 1999-02-09 Brendan Kehoe <brendan@cygnus.com>
2670 * cpplib.c (special_symbol): Move IP to be declared in function
2671 scope, rather than individual case statements.
2673 1999-02-09 16:42 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2675 * cppfiles.c (finclude): Handle pipes properly under old BSD
2678 1999-02-09 16:42 -0500 Melissa O'Neill <oneill@cs.sfu.ca>
2680 * system.h: Provide fallback definitions for S_ISCHR,
2681 S_ISSOCK, S_ISFIFO, O_NONBLOCK, and O_NOCTTY.
2683 1999-02-09 10:30 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2685 * cpplib.c (do_define): Allow redefining __STDC__ with -D.
2687 1999-02-09 Jim Blandy <jimb@zwingli.cygnus.com>
2689 * configure.in: For PowerPC configurations, accept "401", "ec603e",
2690 "740", and "750" as valid arguments to --with-cpu.
2691 * configure: Rebuilt.
2693 Tue Feb 9 00:00:14 1999 Mark Kettenis <kettenis@gnu.org>
2695 * configure.in (i[34567]86-*gnu*): Set float_format to i386.
2696 * configure: Rebuilt.
2698 Mon Feb 8 22:38:24 1999 Jeffrey A Law (law@cygnus.com)
2700 * rs6000.md: Revert "alternate use of crs if cr0 not available"
2701 patches from 01-22-1999, 01-24-1999, 01-26-1999, and 02-08-1999.
2703 Mon Feb 8 21:36:44 1999 Richard Henderson <rth@cygnus.com>
2705 * output.h (current_function_has_computed_jump): Rename from
2706 current_function_addresses_labels.
2707 * function.h (struct function): Likewise for addresses_labels member.
2708 * rtl.h (FUNCTION_FLAGS_HAS_COMPUTED_JUMP): Likewise.
2709 * function.c (current_function_has_computed_jump): Likewise.
2710 Update all references.
2711 * integrate.c (function_cannot_inline_p):
2712 Test current_function_has_computed_jump instead of addresses_labels.
2713 (initialize_for_inline): Likewise save.
2714 (output_inline_function): Likewise restore.
2716 * expr.c (expand_expr): Don't reference addresses_labels variables.
2717 * stmt.c (expand_computed_goto): Set has_computed_jump.
2719 1999-02-08 Michael Meissner <meissner@cygnus.com>
2721 This is being installed only to get it into the repository to help
2722 with the revert, resubmit & review process for the massive rs6000.md
2724 * rs6000.md (andsi3_internal1 splitter): Don't split if using the
2726 (anddi3_internal1): Ditto.
2727 (andsi3_internal{2,3}): Correct some insn lengths.
2728 (anddi3*): Restore missing TARGET_POWERPC64, and don't emit old
2731 Mon Feb 8 21:31:06 1999 Richard Henderson <rth@cygnus.com>
2733 * loop.c (reg_single_usage): New file-scope variable ...
2734 (scan_loop): ... moved out of here. Always initialize.
2735 Test loop_has_call instead of reg_single_usage not zero.
2736 Free reg_single_usage after strength reduction.
2737 (count_loop_regs_set): Assume single_usage non-zero.
2738 (combine_givs_used_by_other): Test reg_single_usage.
2739 (load_mems_and_recount_loop_regs_set): Remove reg_single_usage
2740 as a parameter. Assume non-zero.
2742 1999-02-08 23:25 -0500 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
2744 * cpplib.c (special_symbol): Rewrite. Don't copy things
2745 multiple times. Handle __STDC__ specially. T_CONST
2746 indicates a constant /string/. Don't handle T_*_TYPE and
2747 T_SPEC_DEFINED. Use cpp_buf_line_and_col instead of
2748 adjust_position. Determine the file buffer only if needed.
2749 (initialize_builtins): Handle __SIZE_TYPE__,
2750 __PTRDIFF_TYPE__, __WCHAR_TYPE__, __USER_LABEL_PREFIX__, and
2751 __REGISTER_PREFIX__ with T_CONST special hashtab entries.
2752 Don't provide __OBJC__; the driver does that. Provide
2753 __STDC_VERSION__, using T_CONST. Use T_STDC for
2754 __STDC__. Give install the length of all symbols defined.
2755 (eval_if_expression): Drop code to insert and remove the
2756 "defined" special symbol.
2758 * cpplib.h: Remove SELF_DIR_DUMMY (no longer used). Remove
2759 T_*_TYPE and T_SPEC_DEFINED from enum node_type; add T_STDC.
2761 * cpphash.c (install): Drop the `ivalue' parameter. Constify
2762 the `value' parameter. All callers changed.
2763 * cpphash.h (install): Change prototype to match.
2764 (union hashval): Remove `ival' member.
2765 * cppexp.c (cpp_lex): Handle `defined' here.
2767 Mon Feb 8 17:29:42 1999 Jeffrey A Law (law@cygnus.com)
2769 * pa.h (EXTRA_CONSTRAINT): Fix comment.
2771 Mon Feb 8 18:57:45 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
2773 * c-typeck.c (check_init_type_bitfields): Use nonincremental
2774 initialization of unions whose first member is a bitfield.
2775 Remove unnecessary code for checking the declaration mode
2776 after DECL_C_BIT_FIELD.
2778 * varasm.c (output_constructor): Additional comment about the
2779 constructor of bitfield union initialization.
2781 Tue Feb 9 11:55:04 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2783 * config/c4x/c4x.md (*movhi_stik): New pattern.
2784 (movhi): Allow some immediate constants to be directly
2787 Tue Feb 9 11:34:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2789 * config/c4x/c4x.md (all call patterns): Add constraints "Ur".
2790 (call, call_value): Force address into a register if not valid
2791 for a call instruction.
2792 (load_immed_address): Emit a USE of the SYMBOL_REF that is
2794 * config/c4x/c4x.c (c4x_print_operand): Fix 'C' and 'U' modifiers.
2796 Tue Feb 9 11:08:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2798 * config/c4x/c4x.c (call_address_operand, symbolic_address_operand):
2799 Rename from call_operand and symbolic_operand respectively. All
2801 * config/c4x/c4x.md (call_address_operand, symbolic_address_operand):
2803 * config/c4x/c4x.h (call_address_operand, symbolic_address_operand):
2805 (PREDICATE_CODES): Allow CONST, LABEL_REF for call_address_operand.
2807 Tue Feb 9 10:52:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2809 * config/c4x/c4x.c (c4x_legitimize_address): Don't generate a
2810 LO_SUM address for HImode or HFmode but instead force address into
2811 a register so that it is offsettable.
2812 (c4x_emit_move_sequence): Handle LO_SUM immediate address.
2814 Tue Feb 9 10:46:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2816 * config/c4x/c4x.c (c4x_address_cost): Return cost of 1 for
2817 REG+REG addressing if strength reduction enabled.
2819 Tue Feb 9 10:10:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2821 * config/c4x/t-c4x (LIBGCC2_CFLAGS): Delete.
2822 (TARGET_LIBGCC2_CFLAGS): Define.
2824 1999-02-08 Nick Clifton <nickc@cygnus.com>
2826 * config/v850/v850.md: Replace \\n\\t with \\;
2828 * config/v850/v850.md: Enforce TARGET_LONG_CALLS option.
2829 * config/v850/v850.c (construct_restore_jr, construct_save_jarl):
2830 Enforce TARGET_LONG_CALLS option.
2832 Mon Feb 8 11:43:07 1999 Donn Terry <donn@interix.com>
2834 * real.c (PUT_REAL) [XFmode]: Zero the balance of the structure.
2836 Mon Feb 8 11:37:24 1999 Marc Espie (espie@cvs.openbsd.org)
2838 * m88k/t-luna-gas: Remove bash dependency.
2840 Mon Feb 8 11:34:44 1999 Graham <grahams@rcp.co.uk>
2842 * collect2.c (xrealloc): Fix typo in last change.
2844 Mon Feb 8 09:13:38 PST 1999 Jeff Law (law@cygnus.com)
2846 * version.c: Bump for snapshot.
2848 Sun Feb 7 22:18:42 1999 Robert Lipe <robertlipe@usa.net>
2850 * tree.h (TYPE_CHECK): Make it clear to the preprocessor
2851 that we do not want macro replacement within a character constant.
2852 (TYPE_CHECK1): Likewise.
2854 Sun Feb 7 15:37:10 1999 Jason Merrill <jason@yorick.cygnus.com>
2856 * tree.h (DECL_P): New macro.
2858 Sun Feb 7 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
2860 * version.c: Bump for snapshot.
2862 Sat Feb 6 18:14:46 1999 Jeffrey A Law (law@cygnus.com)
2864 * mn10300.md (reload_insi): Do not earlyclobber the output operand.
2866 * README.g77, gcc.c, gcc.texi: Update email addresses.
2867 * invoke.texi system.h: Likewise.
2869 Sat Feb 6 11:04:08 1999 Jim Wilson <wilson@cygnus.com>
2871 * unroll.c (find_splittable_givs): After express_from, call replace_rtx
2872 to convert dest_reg to new_reg.
2874 Sat Feb 6 10:31:35 1999 Jeffrey A Law (law@cygnus.com)
2876 * reload1.c (reload_combine_note_store): Be more careful with
2877 STRICT_LOW_PART, ZERO_EXTRACT and SIGN_EXTRACT.
2878 (move2add_note_store): Likewise.
2880 Sat Feb 6 10:18:01 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2882 * cppfiles.c (read_and_prescan): Cast the result of `xrealloc' to
2883 U_CHAR* when assigning to one. Ensure the values of a ?: operator
2886 * cppinit.c (initialize_char_syntax): Use K&R function definition.
2888 Sat Feb 6 11:17:03 1999 Richard Earnshaw <rearnsha@arm.com>
2891 * config/arm/arm.c (all_procs): Add arm9 and arm9tdmi.
2892 * config/arm/arm.h ((TARGET_CPU_arm9, TARGET_CPUD_arm9tdmi): Define.
2893 (TARGET_CPU_DEFAULT): Rework to support ARM9.
2894 (CPP_CPU_ARCH_SPEC): Likewise.
2895 (enum processor_type): Likewise.
2896 * config/arm/arm.md (attr cpu): Add arm9.
2898 General scheduling changes
2899 * config/arm/arm.c (MAX_INSNS_SKIPPED): Delete.
2900 (max_insns_skipped): New variable.
2901 (arm_override_options): If generating hard floating point code for
2902 the FPA, emit code for version 3.
2903 When optimizing for space, don't synthesize constants.
2904 Reword several flags based on the requested processor and optimization
2906 (use_return_insn): New argument iscond, all callers changed. Don't
2907 use a return insn if it will be conditional and that would be
2908 expensive; eg on StrongARM.
2909 (arm_adjust_cost): Anti- and output- dependencies normally have no
2911 (load_multiple_sequence): Newer ARMs don't benefit from ldm if
2912 the sequence is short.
2913 (final_prescan_insn): Use max_insns_skipped instead of
2914 MAX_INSNS_SKIPPED. Note whether we will make a return instruction
2915 conditional, and aviod this if it would be expensive.
2916 * config/arm/arm.md (scheduling attributes and function units):
2917 Rewrite to better describe ARM8, 9 and StrongARM.
2919 * config/arm/arm.md (*movhi_insn_littleend): Make op0 predicate
2921 (*ifcompare_plus_move): Use arm_rhs_operand in place of
2922 arm_rhsm_operand. Rework constraints.
2923 (*if_plus_move): Likewise.
2924 (*ifcompare_move_plus): Likewise.
2925 (*if_move_plus): Likewise.
2926 (*ifcompre_arith_move): Likewise.
2927 (*if_arith_move): Likewise.
2928 (*ifcompare_move_arith): Likewise.
2929 (*if_move_arith): Likewise.
2931 * config/arm/xm-netbsd.h: Don't include arm/xm-arm.h.
2933 1999-02-05 Michael Meissner <meissner@cygnus.com>
2935 * loop.c (check_dbra_loop): A store using an address giv for which
2936 we have no life information is not reversible.
2938 Fri Feb 5 17:08:01 1999 Dave Brolley <brolley@cygnus.com>
2940 * function.c (fixup_var_refs): Scan catch_clauses too.
2942 Fri Feb 5 11:49:49 1999 Benjamin Kosnik <bkoz@loony.cygnus.com>
2944 * c-common.c (decl_attributes): Fix reserved space for init_priority.
2945 * tree.h (MAX_RESERVED_INIT_PRIORITY): New macro.
2947 Fri Feb 5 12:37:05 1999 Jeffrey A Law (law@cygnus.com)
2949 * loop.c (strength_reduce): Clear not_every_iteration when
2950 passing the NOTE_INSN_LOOP_CONT note.
2952 * haifa-sched.c (add_dependence): Do not add a dependency on a
2955 Fri Feb 5 10:55:43 1999 Nick Clifton <nickc@cygnus.com>
2957 * recog.c (split_block_insns): Only call update_flow_info if
2958 instruction scheduling is enabled.
2960 1999-02-05 11:22 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2962 * Makefile.in (gen-protos): Use libcpp.a like everyone else.
2964 Fri Feb 5 07:09:29 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2966 * loop.c (first_loop_store_insn): New file-scope variable.
2967 (prescan_loop): Set it.
2968 (check_dbra_loop): Check if a store depends on a register
2969 that is set after the store.
2971 Fri Feb 5 06:55:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2973 * unroll.c (entire file): Remove tabs / spaces at end of lines.
2974 Replace spaces with tabs where appropriate.
2976 Thu Feb 4 15:12:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2978 * loop.c (scan_loop): New argument loop_cont. Changed caller.
2979 (strength_reduce): New argument loop_cont. Changed caller.
2980 Before clearing not_every_iteration after a label, check if
2981 we are not already past LOOP_CONT.
2983 1999-02-04 16:04 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2985 * cpperror.c (cpp_print_containing_files): Fix formatting
2986 bug induced by merge.
2988 1999-02-04 14:33 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2990 * cpplib.c (initialize_char_syntax): Move to cppinit.c.
2991 (cpp_define): Remove redundant syntax checks.
2992 (make_assertion): Rename cpp_assert, remove redundant syntax
2994 (cpp_options_init): Don't init things to zero twice.
2995 (cpp_expand_to_buffer): Use memcpy, not a char-by-char loop.
2996 (do_include): Kill excessively verbose #import warning that
2997 snuck back in in the gcc2 merge.
2998 (convert_string): Removed.
2999 (do_line): Rewrite with simple last-name-used cache instead of
3001 (cpp_start_read): Call initialize_char_syntax here, not...
3002 (cpp_reader_init): ...here.
3003 (cpp_handle_options): Support the -std switch.
3004 * cpplib.h (cpp_buffer): Add last_nominal_fname member.
3005 (cpp_options): Add c9x flag.
3006 Declare all the is_* tables and trigraph table here, as const.
3007 Prototype cpp_assert and initialize_char_syntax.
3008 * cppinit.c: New file.
3009 * cppfiles.c (read_and_prescan): Optimize.
3010 * Makefile.in (LIBCPP_OBJS): Add cppinit.o.
3012 Thu Feb 4 10:46:30 1999 Gavin Romig-Koch <gavin@cygnus.com>
3014 * config/mips/mips.md ([u]divmodsi4,[u]divmoddi4,[u]divsi3,[u]divdi3,
3015 [u]modsi3,[u]moddi3) : Don't copy the "zero" argument to a register
3016 before calling gen_div_trap.
3018 Wed Feb 3 21:56:27 1999 Jeffrey A Law (law@cygnus.com)
3020 * configure.in (hppa1.1-*-*, hppa2*-*): Use symbolic value rather
3021 than numeric value for target_cpu_default..
3022 * configure: Rebuilt.
3024 Wed Feb 3 21:55:56 1999 Marc Espie <Marc.Espie@liafa.jussieu.fr>
3026 * Makefile.in (xgcc$(exeext)): Remove choose-temp, pexecute and
3027 mkstemp. Get them from libiberty.
3028 (COLLECT2_OBJS): Similarly for choose-temp, cplus-dem and mkstemp.
3029 (PROTO_OBJS): Similarly for choose-temp, getopt, getopt1 and pexecute.
3030 (cplus-dem.o, pexecute.o, choose-temp.o): Remove build rules.
3031 (mkstemp.o, getopt1.o, getopt.o): Likewise.
3033 * pa-gas.h (TARGET_DEFAULT): Use symbolic values rather than numeric
3035 * pa-hpux.h (LINK_SPEC): Likewise.
3036 * pa-hpux10.h (LINK_SPEC): Likewise.
3037 * pa-hpux9.h (LINK_SPEC): Likewise.
3038 * pa-osf.h: (LINK_SPEC): Likewise.
3039 * pa-pro.h (TARGET_DEFAULT): Likewise.
3040 * pa1.h (TARGET_DEFAULT): Likewise.
3041 * pa.h (MASK_*): New defines.
3042 (TARGET_*): Use symbolic values rather than numeric values.
3043 (TARGET_SWITCHES): Likewise.
3044 (TARGET_DEFAULT): likewise.
3045 (CPP_SPEC): likewise.
3047 Wed Feb 3 21:07:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3049 * reload1.c (reload_cse_regs_1): Undo Jan 16 patch.
3050 * reload.c (find_reusable_reload): New function, broken out of
3051 push_reload. Add code to verify that none of the involved
3052 outputs are subject to earlyclobbers.
3053 (push_reload): Break out new function find_reusable_reload.
3054 Delete "register" keyword for IN, OUT args.
3056 Wed Feb 3 15:51:04 1999 Gavin Romig-Koch <gavin@cygnus.com>
3058 * config/mips/mips.c (true_reg_or_0_operand) : New function.
3059 * config/mips/mips.h (PREDICATE_CODES): Add true_reg_or_0_operand.
3060 * config/mips/mips.md (div_trap,div_trap_normal,div_trap_mips16):
3061 Use true_reg_or_0_operand for div_trap.
3063 Wed Feb 3 20:44:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3065 * loop.h (express_from): Declare.
3066 (struct induction): Replace derived flag with derived_from pointer.
3067 * loop.c (strength_reduce, record_giv, recombine_givs): Likewise.
3068 (express_from): No longer static.
3069 * unroll.c (find_splittable_givs): Replace derived with derived_from.
3070 When processing an address giv with which another giv has been
3071 combined that has also been derived from a third giv, handle like
3072 having combined with the third giv.
3073 Set splittable_regs_updates appropriately for derived givs.
3075 Wed Feb 3 15:26:58 1999 Gavin Romig-Koch <gavin@cygnus.com>
3077 * config/mips/mips.md (div_trap_mips16): Remove nop's after branches.
3079 Wed Feb 3 11:56:23 1999 Jeffrey A Law (law@cygnus.com)
3081 * pa.c (insn_sets_and_refs_are_delayed): New function.
3082 * pa.h (INSN_SETS_ARE_DELAYED): Use it.
3083 (INSN_REFERENCES_ARE_DELAYED): Likewise.
3085 Wed Feb 3 06:24:49 1999 Richard Earnshaw (rearnsha@arm.com)
3087 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Delete.
3088 * config/arm/t-linux (LIBGCC2_CFLAGS): Delete.
3089 (TARGET_LIBGCC2_CFLAGS): Define.
3090 (LIBGCC2_DEBUG_CFLAGS): Define.
3091 * config/arm/t-netbsd: Likewise.
3092 * config/arm/t-semi: Likewise.
3093 * config/arm/t-semiaof: Likewise.
3094 * config/arm/t-riscix: Likewise.
3096 Wed Feb 3 10:59:07 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3098 * config/m68k/m68k.c (print_operand_address): When printing a
3099 SYMBOL_REF that ends in `.<letter>' put parentheses around it.
3101 Tue Feb 2 23:38:35 1999 David O'Brien <obrien@FreeBSD.org>
3103 * i386/freebsd*.h now allows '$' in label names and does not use the
3104 PCC struct return method.
3106 Tue Feb 2 22:38:23 1999 Jim Wilson <wilson@cygnus.com>
3108 * Makefile.in: Change all uses of AR to AR_FOR_TARGET. Change all uses
3109 of HOST_AR to AR. Likewise for AR_FLAGS, RANLIB, and RANLIB_TEST.
3110 (RANLIB_TEST): Test to see if ranlib exists. Only test absolute file
3111 names if host == target.
3112 (HOST_AR, HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Delete.
3113 (AR_FLAGS_FOR_TARGET): Renamed from AR_FOR_TARGET_FLAGS.
3114 (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST): Delete rules
3115 setting them to *_FOR_TARGET.
3116 * cross-make (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST):
3119 Tue Feb 2 22:38:19 1999 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
3121 * toplev.h (read_integral_parameter): Declare.
3122 * toplev.c (read_integral_parameter): New function.
3124 Fri Jan 29 21:00:56 1999 Bob Manson <manson@charmed.cygnus.com>
3126 * resource.c, resource.h: New files.
3127 * Makefile.in (OBJS): Add it.
3129 * haifa-sched.c (regno_use_in): Moved to rtlanal.c.
3130 (split_block_insns): Moved to recog.c.
3131 (update_flow_info): Make public.
3132 * rtl.h: Declare them.
3134 * reorg.c: Moved the functions dealing with computing resource
3135 usage to resource.c.
3137 * sched.c (regno_use_in): Moved to rtlanal.c.
3138 (update_flow_info): Make public.
3139 (schedule_insns): Use split_block_insns.
3141 * recog.c (split_block_insns): New function.
3143 Tue Feb 2 22:03:26 1999 David Edelsohn <edelsohn@gnu.org>
3145 * rs6000/linux.h (LINK_START_DEFAULT_SPEC): Delete, unused.
3146 (LINK_OS_DEFAULT_SPEC): Delete, unused.
3148 Tue Feb 2 20:29:34 1999 Catherine Moore <clm@cygnus.com>
3150 * configure.in (arm-*-oabi): Support.
3151 * configure: Regenerate.
3152 * config/arm/unknown-elf-oabi.h: New file.
3154 Tue Feb 2 19:43:59 1999 Jeffrey A Law (law@cygnus.com)
3156 * i386.md (ashlsi3): Turn into a define_expand an anonymous pattern.
3157 Make the anonymous pattern match when ! optimize_size.
3158 (ashlsi3 size optimizer): New pattern.
3160 * intl/Makefile.in (uninstall): Add missing "; \".
3162 Tue Feb 2 18:21:23 1999 Stan Cox <scox@cygnus.com>
3164 * sparc.h (TARGET_CPU_sparc86x): Added. TARGET_CPU_sparclite86x
3167 Tue Feb 2 20:24:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3169 * loop.c (loop_optimize): Fix value max_uid_for_loop is reset
3170 to after find_and_verify_loops call.
3172 Tue Feb 2 19:48:29 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3174 * (recombine_givs): Don't use a giv that's likely to be dead to
3177 * loop.c (recombine_givs): Fix test for lifetime overlaps / loop
3178 wrap around when deriving givs.
3180 Mon Feb 1 20:00:40 1999 Richard Henderson <rth@cygnus.com>
3182 * recog.c (check_asm_operands): Treat indeterminate operand ok
3183 results as success. Try harder to resolve a matching constraint.
3184 * stmt.c (expand_asm_operands): Recognize when an output operand's
3185 constraint does not allow memory. Treat indeterminate operand ok
3186 results as failure. Try harder to resolve a matching constraint.
3188 Mon Feb 1 15:00:02 1999 Ken Raeburn <raeburn@cygnus.com>
3190 Use varrays for constant-equivalence data:
3192 * varray.h (struct const_equiv_data): New type.
3193 (union varray_data_tag): New element const_equiv.
3194 (VARRAY_CONST_EQUIV_INIT, VARRAY_CONST_EQUIV): New macros.
3195 (VARRAY_SIZE): New macro, returns number of elements.
3196 * integrate.h: Include varray.h.
3197 (struct inline_remap): Replace const_equiv_map, const_age_map and
3198 const_equiv_map_size with a const_equiv_varray element.
3199 (MAYBE_EXTEND_CONST_EQUIV_VARRAY): New macro; grows varray if
3201 (SET_CONST_EQUIV_DATA): New macro; sets rtx and age fields
3202 simultaneously, growing the varray if needed.
3204 * integrate.c (global_const_equiv_map,
3205 global_const_equiv_map_size): Deleted, replaced by....
3206 (global_const_equiv_varray): New variable.
3207 (expand_inline_function): References changed.
3208 * integrate.h: Update declarations.
3210 * integrate.c (process_reg_parm, expand_inline_function,
3211 copy_rtx_and_substitute, try_constants, subst_constants,
3212 mark_stores): Use varray allocation and accessor macros, new
3213 integrate.h macros, and global_const_equiv_varray. Don't
3214 conditionalize non-NULL stores on array size; instead, expand the
3216 * unroll.c (unroll_loop): Likewise.
3218 * unroll.c (unroll_loop): Initialize const_equiv_varray element to
3219 zero. After allocating varray, always exit through bottom of
3220 function, where it can be deallocated if needed. Don't explicitly
3221 reallocate const_equiv_map storage; instead, just ensure the
3222 varray has been initialized, and update the global reference.
3224 Mon Feb 1 09:40:25 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3226 * system.h (inline, const): Handle these for stage2 (and later) gcc.
3228 * dwarf2out.c (inline): Don't define.
3230 * dwarfout.c (inline): Likewise.
3232 Sun Jan 31 22:04:37 1999 Richard Henderson <rth@cygnus.com>
3234 * loop.c (recombine_givs): Dump recombination and derivation data.
3236 Sun Jan 31 20:34:29 1999 Zack Weinberg <zack@rabi.columbia.edu>
3238 * flags.h: Declare flag_no_ident.
3239 * toplev.c: Define flag_no_ident. Process -f(no-)ident here.
3240 * c-tree.h: Don't declare flag_no_ident.
3241 * c-decl.c: Don't define flag_no_ident. Don't process
3242 -f(no-)ident switches here.
3244 * config/elfos.h (ASM_FILE_END): Output final .ident directive
3245 only if !flag_no_ident.
3246 * config/ptx4.h: Likewise.
3247 * config/svr4.h: Likewise.
3248 * config/alpha/elf.h: Likewise.
3249 * config/arm/linux-elf.h: Likewise.
3250 * config/i386/sco5.h: Likewise.
3251 * config/i860/fx2800.h: Likewise.
3252 * config/mips/gnu.h: Likewise.
3253 * config/i386/osfrose.h: Likewise.
3255 * gcc.c (C specs): Map -Qn to -fno-ident.
3256 * objc/lang-specs.h: Likewise.
3258 Mon Feb 1 10:52:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3260 * configure.in: Don't remove loop.o and unroll.o when
3261 enable-haifa is selected.
3262 * configure: Rebuilt.
3264 Sun Jan 31 13:22:02 1999 John Wehle (john@feith.com)
3266 * i386.md (movsicc, movhicc, movsfcc, movdfcc,
3267 movxfcc, movdicc): Delete unconstrained alternatives.
3268 * i386.c (output_fp_conditional_move,
3269 output_int_conditional_move): Delete unused case.
3271 Sun Jan 31 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
3273 * version.c: Bump for snapshot.
3275 Sun Jan 31 00:52:37 1999 Richard Henderson <rth@cygnus.com>
3277 * alpha.md (mov patterns): Emit the assembler aliases mov and fmov
3278 instead of bis and cpys. Combine alternatives where possible.
3280 Sat Jan 30 23:14:13 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3282 * gcov.c (fnotice): Add missing FILE* parameter.
3283 (function_summary): Fix format specifiers in calls to `fnotice'.
3284 (output_data): Likewise.
3286 * toplev.c (fnotice): Constify char* parameter.
3288 * toplev.h (fnotice): Add prototype.
3289 Wrap prototype with BUFSIZ to protect FILE* usage.
3291 Sun Jan 31 15:33:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3293 * config/c4x/c4x.h (RTX_COSTS): Explicitly define c4x costs.
3295 Sat Jan 30 08:27:23 1999 Jeffrey A Law (law@cygnus.com)
3297 * combine.c (distribute_notes): Handle REG_EH_REGION notes.
3299 * alias.c (fixed_scalar_and_varying_struct_p): Add "static" to
3300 function definition.
3301 (aliases_everything_p, write_dependence_p):Likewise.
3303 * install.texi: Fix merge lossages.
3305 * cccp.c (main): Only call setlocale (LC_MESSAGES, ...) if LC_MESSAGES
3307 * collect2.c (main): Likewise.
3308 * cppmain.c (main): Likewise.
3309 * gcc.c (main): Likewise.
3310 * gcov.c (main): Likewise.
3311 * protoize.c (main): Likewise.
3312 * toplev.c (main): Likewise.
3314 * pa.md (parallel shift and shiftadd): Mark output of shift as an
3317 * loop.c: Disable recent loop changes. Temporary as Joern
3318 continues to fix problems.
3320 Sat Jan 30 03:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3322 * loop.c (strength_reduce): Size reg_map according to reg_iv_type.
3324 Fri Jan 29 18:26:07 1999 Dave Brolley <brolley@cygnus.com>
3326 * emit-rtl.c (remove_insn): New function.
3327 * rtl.h (remove_insn): Add prototype.
3328 * function.c (reposition_prologue_and_epilogue_notes): Call remove_insn.
3330 Fri Jan 29 22:34:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3332 * loop.c (recombine_givs): Don't try to derive givs that have combined.
3334 Fri Jan 29 15:00:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3336 * toplev.c (notice, fnotice): Check ANSI_PROTOTYPES, not __STDC__,
3337 when declaring arguments and calling va_arg() to initialize them.
3339 * collect2.c (notice): Likewise.
3341 * loop.c (find_life_end): Use PROTO() macro in the prototype.
3343 Fri Jan 29 14:36:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3345 * collect2.c (error): Fix typo in declaration.
3347 * cpperror.c (cpp_message): Likewise.
3349 * cpplib.c (cpp_warning): Likewise.
3351 * cpplib.h (cpp_notice): Use PVPROTO not VPROTO, also add
3354 * toplev.c (error): Fix typo in declaration.
3356 Fri Jan 29 15:44:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3358 * loop.c (strength_reduce): Fix HAVE_cc0 handling when scanning
3359 forward from cont dominator.
3361 Fri Jan 29 07:10:27 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3363 * cccp.c (eprint_string): Constify a char*.
3364 (notice): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
3365 (vnotice): Constify a char*.
3366 (error): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
3367 (verror): Constify a char*.
3368 (warning): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
3369 (vwarning): Constify a char*.
3370 (error_with_line): Likewise. Use PVPROTO not VPROTO, add
3372 (verror_with_line): Constify a char*.
3373 (vwarning_with_line): Likewise.
3374 (warning_with_line): Likewise. Use PVPROTO not VPROTO, add
3376 (pedwarn): Constify a char*. Use PVPROTO not VPROTO, add
3378 (pedwarn_with_line): Likewise with ATTRIBUTE_PRINTF_2.
3379 (pedwarn_with_file_and_line): Likewise with ATTRIBUTE_PRINTF_4.
3380 Also correct typo in parameter name declaration.
3381 (make_assertion): Constify a char*.
3382 (quote_string_for_make): Likewise.
3383 (deps_output): Likewise.
3384 (fatal): Likewise. Use PVPROTO not VPROTO, add
3385 ATTRIBUTE_PRINTF_1. Use ATTRIBUTE_NORETURN not an explicit
3386 "__attribute__ ((noreturn))".
3387 (fancy_abort): Likewise for ATTRIBUTE_NORETURN.
3388 (pfatal_with_name): Likewise.
3389 (pipe_closed): Likewise.
3390 (memory_full): Likewise.
3392 Fri Jan 29 00:14:55 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3394 * loop.c (strength_reduce): Grow set_in_loop / n_times_set /
3395 may_not_optimize to proper size when converting biv increments
3397 If necessary, reallocate reg_iv_type / reg_iv_info before calling
3400 Thu Jan 28 23:24:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3402 * loop.c (recombine_givs): New parameter unroll_p. If set, don't
3403 generate complex adds. Changed caller.
3404 Don't generate adds that cost more than the original one.
3405 (strength_reduce): Warning fixes.
3407 Thu Jan 28 09:41:11 1999 Jeffrey A Law (law@cygnus.com)
3409 * configure.in (hppa1.0-hp-hpux10*): Use t-pa.
3410 * configure: Rebuilt.
3412 Wed Jan 27 23:39:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3414 * rtl.h (insn_first_p, no_jumps_between_p): Declare.
3415 * rtlanal.c (insn_first_p, no_jumps_between_p): New function.
3416 * loop.h (varray.h): Include.
3417 (struct induction): Change combined_with to unsigned.
3418 New members derived, ix and last_use.
3419 (reg_iv_type, reg_iv_info): Now varray_type. All references changed.
3420 (REG_IV_TYPE, REG_IV_INFO): Define.
3421 (first_increment_giv, last_increment_giv): Declare.
3422 * loop.c (loop_number_loop_cont): New static variable.
3423 (loop_number_cont_dominator): Likewise.
3424 (reg_iv_type, reg_iv_info): Now varray_type.
3425 (first_increment_giv, last_increment_giv): New variables.
3426 (compute_luids, verify_dominator, find_life_end): New functions.
3427 (cmp_recombine_givs_stats, recombine_givs): Likewise.
3428 (loop_optimize): Allocate loop_number_loop_cont and
3429 loop_number_cont_dominator. Use compute_luids.
3430 (find_and_verify_loops): Initialize loop_number_loop_cont and
3431 loop_number_cont_dominator.
3432 (strength_reduce): Try to find bivs that can be expressed as givs
3433 of another biv, and to convert biv increments into givs.
3434 Call recombine_givs. Handle derived givs.
3435 (record_biv): New argument location. All callers changed.
3436 (record_giv): Initialize derived and last_use fields.
3437 (basic_induction_var): New argument location. All callers changed.
3438 (combine_givs): Don't combine a DEST_REG giv with a DEST_ADDR giv.
3439 Increment combined_with instead of setting to 1.
3440 * unroll.c (derived_regs): New static variable.
3441 (unroll_loop): Initialize it.
3442 Allocate local_regno according to max_reg_num.
3443 (copy_loop_body): Cope with derived givs.
3444 (find_splittable_givs): Check for Givs made from biv increments.
3445 Set derived_regs for givs.
3446 * Makefile.in (stmt.o, loop.o, unroll.o): Depend on loop.h .
3448 Wed Jan 27 19:31:36 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3450 * function.c (purge_addressof_1): Handle case when a register
3451 has been used in a wider mode.
3453 1999-01-27 Bruce Korb <autogen@linuxbox.com>
3455 * fixinc/fixincl.c, fixinc/server.[ch]:
3456 Removed the last of the capitalized variable and proc names.
3458 * fixinc/server.c: Removed the process open code
3459 * fixinc/procopen.c: New file containing the proc open code
3460 * fixinc/inclhack.tpl: Added code to bypass a readability test
3461 when a file is not present. A problem on some systems.
3462 * fixinc/inclhack.sh, fixinc/fixincl.sh: regenerated
3464 Wed Jan 27 11:58:18 1999 Dave Brolley <brolley@cygnus.com>
3466 * cpplib.h (cpp_notice): Add prototype.
3468 Wed Jan 27 02:20:48 1999 Jeffrey A Law (law@cygnus.com)
3470 * Merge gcc2 snapshot 19980929.
3472 * cccp.c (PRINTF_PROTO): Remove.
3473 (PRINTF_PROTO_{1,2,3,4}: Likewise.
3475 * system.h: Add PRINTF_PROTO and PRINTF_PROTO_{1,2,3,4}.
3477 * fix-header.c (cpp_file_lin_for_message): Delete. In libcpp.
3478 (cpp_print_containing_files, v_cpp_message, cpp_message): Likewise.
3479 (cpp_fatal, cpp-Pfatal_with_name): Likewise.
3481 * gen-protos.c (hashf): Delete in cpphash.o
3482 * gen-protos.c (hashf): Delete in cpphash.o
3484 * expr.c: Do not merge SAVE_STACKAREA_MODE changes.
3485 * expmed.c: Likewise.
3486 * rs6000.md: Likewise.
3488 * rs6000.c, rs6000.md: Do not merge formatting changes yet.
3490 Wed Jan 27 01:13:42 1999 Richard Henderson <rth@cygnus.com>
3492 * rs6000.c (input_operand): Don't expect CONST around CONSTANT_P_RTX.
3493 * rs6000.md (movsi, movdi): Likewise.
3495 Tue Jan 26 13:31:38 1999 Jim Wilson <wilson@cygnus.com>
3497 * function.c (expand_function_end): Pass arg_pointer_save_area to
3498 validize_mem before using it. Emit code into a sequence.
3500 Tue Jan 26 13:41:38 1999 David Edelsohn <edelsohn@gnu.org>
3502 * rs6000.md (doz + set cr and or + set cr patterns): Add missing
3503 '#' to split patterns. Correct indentation of some new patterns.
3505 1999-01-26 12:11 -0500 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
3507 * cppfiles.c (safe_read): Deleted.
3508 (read_and_prescan): New function, replaces safe_read, converts
3509 and/or warns about trigraphs, silently converts odd line
3510 terminators (\r, \n\r, \r\n). Warns about no newline at EOF.
3511 (finclude): Use read_and_prescan; turn off nonblocking mode on
3512 the input descriptor; remove file-size-examination and
3513 no-newline-at-EOF gunk which is longer necessary; be more
3514 careful about checking that we've been handed a legitimate
3515 file to read (only real files, pipes, and ttys are acceptable).
3516 * cpplib.h (cpp_options): Rename no_trigraphs flag to
3517 `trigraphs' and invert its sense.
3518 (trigraph_table): Declare.
3519 (cpp_warning_with_line): Prototype.
3520 * cpplib.c: Remove all references to trigraph_pcp. Define
3521 trigraph_table; initialize it in initialize_char_syntax. Open
3522 files in nonblocking mode. s/no_trigraphs/trigraphs/
3523 throughout, and invert sense. Put cpp_warning_with_line back
3526 Tue Jan 26 23:21:49 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3528 * config/c4x/c4x.h (COUNTER_REGS): New register class.
3529 * config/c4x/c4x.md (*rptb_init): Change constraints.
3530 (rptb_end): Emit alternate looping instructions if
3531 RC register not allocated for loop counter.
3532 (decrement_and_branch_on_count): Allow other registers
3535 1999-01-25 14:26 -0500 Zack Weinberg <zack@rabi.columbia.edu>
3537 * cppexp.c (struct arglist): Removed.
3538 (parse_number): Use HOST_WIDE_INT for the accumulator.
3539 Allow two `l' suffixes unless C89. Clean up. Make static.
3540 (parse_charconst): New function broken out of cpp_lex.
3541 Code cleaned up drastically. Don't use a token_buffer.
3542 (token_buffer): Removed.
3543 (cpp_lex): Don't call parse_number on a constant string.
3544 Use parse_charconst.
3545 (cpp_parse_expr): Properly handle an ERROR op returned by
3548 1999-01-25 14:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3550 * cpplib.c: Don't include signal.h, sys/times.h, or
3551 sys/resource.h. Don't declare localtime.
3552 (macroexpand): Handle special symbols here.
3553 (push_macro_expansion): Chop off the trailing '@ ' if possible
3555 (cpp_get_token): Don't do either of the above two things here.
3556 Move `string' label just after case '"' so that wide strings
3557 don't crash the preprocessor.
3559 Sun Jan 24 20:13:45 1999 David Edelsohn <edelsohn@gnu.org>
3561 * rs6000.md (left shift + set cr patterns): Add missing '#' to
3563 (move register + set cr pattern): Ditto.
3564 (movdi, !TARGET_POWERPC64 splitters): Add back in Jan. 15th patch,
3565 inadvertently deleted.
3567 Sun Jan 24 08:07:59 1999 Jeffrey A Law (law@cygnus.com)
3569 * stmt.c (stmt_loop_nest_empty): New function.
3570 * tree.h (stmt_loop_nest_empty): Declare it.
3571 * rtl.def (CALL_PLACEHOLDER): New rtx code.
3573 Sun Jan 24 21:24:43 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3575 * config/c4x/c4x.c (c4x_emit_move_sequence, c4x_encode_section_info):
3577 (c4x_check_legit_addr): Remove USE and PLUS, allow
3578 LO_SUM, and disable SYMBOL_REF, LABEL_REF, and CONST cases.
3579 (c4x_legitimize_address): Penalise SYMBOL_REF, LABEL_REF, and
3580 CONST cases. Add LO_SUM.
3581 (c4x_print_operand): Modified 'C' and 'R' cases for calls.
3582 Added 'U' case. Remove dependence on SYMBOL_REF_FLAG.
3583 (c4x_print_operand_address): Handle LO_SUM.
3584 (c4x_scan_for_ldp): Delete. Hooray!
3585 (c4x_process_after_reload): Remove call to c4x_scan_for_ldp.
3587 (c4x_immed_int_constant): Renamed from c4x_int_constant. All callers
3589 (c4x_immed_float_constant): Renamed from c4x_float_constant. All
3591 (c4x_T_constraint): Allow LO_SUM, disable SYMBOL_REF, LABEL_REF,
3593 (c4x_U_constraint, symbolic_operand): New functions.
3594 (src_operand): Allow 'I' constants in HImode. Allow LO_SUM,
3595 disable SYMBOL_REF, LABEL_REF, and CONST.
3596 (lsrc_operand, tsrc_operand): Call src_operand instead of
3598 (c4x_operand_subword): Update comments.
3600 * config/c4x/c4x.c (TARGET_LOAD_ADDRESS): New macro.
3601 (LEGITIMATE_CONSTANT_P): Allow SYMBOL_REF, LABEL_REF, CONST,
3602 plus HIGH and LO_SUM for the C40.
3603 (ENCODE_SECTION_INFO): Define macro.
3604 (symbolic_operand, c4x_U_constraint, c4x_emit_move_sequence): New
3606 (PREDICATE_CODES): Add symbolic_operand.
3608 * config/c4x/c4x.md (movqi, movgqf, movhi, movhi): Call
3609 c4x_emit_move_sequence.
3610 (floatunsqiqf2, fixuns_truncqfqi2): Rework emitted RTL
3611 to avoid symbol references.
3612 (all patterns with g constraint): Replace 'g' constraint with 'rIm'.
3613 (set_high): Renamed from set_high_use.
3614 (set_lo_sum): Renamed from set_ior_lo_use.
3615 (all call patterns): Make MEM explicit in call address operands.
3616 Modified output templates to use 'U' modifier.
3618 Sun Jan 24 01:15:05 PST 1999 Jeff Law (law@cygnus.com)
3620 * version.c: Bump for snapshot.
3622 Sat Jan 23 22:34:57 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3624 * final.c (bb_str): Qualify a char* with the keyword `const'.
3625 (add_bb_string, final_scan_insn, output_asm_insn): Likewise.
3627 * fix-header.c (read_scan_file): Likewise.
3629 * genoutput.c (output_epilogue, process_template): Likewise.
3631 * local-alloc.c (requires_inout, block_alloc): Likewise.
3633 * output.h (output_asm_insn, assemble_string): Likewise.
3635 * recog.c (recog_constraints, check_asm_operands,
3636 decode_asm_operands, extract_insn, preprocess_constraints,
3637 constrain_operands): Likewise.
3639 * recog.h (operand_alternative, recog_constraints, insn_template,
3640 insn_outfun, insn_operand_constraint, insn_name): Likewise.
3642 * regclass.c (record_reg_classes, scan_one_insn): Likewise.
3644 * regmove.c (find_matches): Likewise.
3646 * reload.c (alternative_allows_memconst): Likewise.
3648 * reload1.c (constraint_accepts_reg_p,
3649 reload_cse_simplify_operands): Likewise.
3651 * rtl.h (decode_asm_operands): Likewise.
3653 * scan.h (fn_decl): Likewise.
3655 * varasm.c (assemble_string): Likewise.
3657 Sat Jan 23 01:37:36 1999 Jeffrey A Law (law@cygnus.com)
3659 * configure.in (gcc_tooldir): Handle case where exec_prefix has
3660 not been explicitly set.
3661 * configure: Rebuilt.
3663 * fold-const.c (lshift_double): Mark 'prec' arguments as possibly
3666 * bitmap.h (bitmap_head_def): Make indx field unsigned.
3668 * configure.in (gcc_tooldir): When not making a relative gcc_tooldir,
3669 use $exec_prefix/$target_alias for gcc_tooldir.
3670 * configure: Rebuilt.
3672 Fri Jan 22 11:48:56 1999 Richard Henderson <rth@cygnus.com>
3674 * cppp.c (xrealloc): Fix typo last change.
3675 * cppalloc.c, gcc.c, genattr.c, genattrtab.c, gencodes.c: Likewise.
3676 * genconfig.c, genemit.c, genextract.c, genflags.c: Likewise.
3677 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
3679 1999-01-22 Michael Meissner <meissner@cygnus.com>
3681 * rs6000.h (CR0_REGNO_P): New macro to test if cr0.
3682 (CR_REGNO_NOT_CR0_P): New macro to test if cr, but not cr0.
3683 (PREDICATE_CODES): Add cc_reg_not_cr0_operand.
3684 (cc_reg_not_cr0_operand): Add declaration.
3686 * rs6000.c (cc_reg_not_cr0_operand): Return true if register is a
3687 pseudo register, or a control register that is not CR0.
3689 * rs6000.md (all combiner patterns building . instructions): For
3690 all `.' instructions that do something and set cr0, add an
3691 alternative that does the operation, and then sets a different
3692 flag, in order to avoid using the costly mcrf instruction and also
3693 allow cr0 to be clobbered in asm statements. Also fix a few
3694 patterns that used the wrong register.
3696 * rs6000.h (rs6000_cpu_select): Make string, names be const char *.
3697 (rs6000_debug_name): Make const char *, not char *.
3699 * sysv4.h (rs6000_{abi,sdata}_name): Make const char *.
3701 * rs6000.c (rs6000_{debug,abi,sdata}_name): Make const char *.
3702 (rs6000_select): Use const char * in casts.
3704 Fri Jan 22 07:43:01 1999 Jeffrey A Law (law@cygnus.com)
3706 * Makefile.in (gcc_tooldir): Move before first reference.
3707 Let autoconf substitute in a value.
3708 * configure.in (gcc_tooldir): Only use a relative path to the
3709 tool directory if $exec_prefix == $prefix.
3710 * configure: Rebuilt.
3712 * Makefile.in (tooldir): Replace with gcc_tooldir.
3714 Thu Jan 21 23:21:57 1999 Jeffrey A Law (law@cygnus.com)
3716 * m68k.md (ashldi_const): Disable for !TARGET_5200. Fix indention.
3717 (ashldi3 expander): Similarly. Update comments.
3718 (ashrdi_const, lshrdi_const): Fix indention.
3719 (ashrdi3, lshrdi3): FIx indention. Update comments.
3721 Thu Jan 21 21:53:36 1999 Richard Henderson <rth@cygnus.com>
3723 * emit-rtl.c (try_split): Don't try to split non-instructions.
3725 Thu Jan 21 23:47:30 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
3727 * expr.c (emit_push_insn): Fix dumb typo.
3729 Thu Jan 21 20:24:02 1999 Richard Henderson <rth@cygnus.com>
3731 * rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Recognize and accept
3732 transformations that we have performed earlier.
3733 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
3735 * alpha.md (prologue_stack_probe_loop): Don't do our own label
3736 handling, call gen_label_rtx instead.
3738 Thu Jan 21 17:45:18 1999 Richard Henderson <rth@cygnus.com>
3740 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): Add missing `then'.
3742 * cccp.c (xrealloc): Call malloc given a NULL old pointer.
3743 * collect2.c, cppalloc.c, gcc.c, genattr.c, genattrtab.c: Likewise.
3744 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
3745 * genflags.c, genopinit.c, genoutput.c, genpeep.c: Likewise.
3746 * genrecog.c, mips-tfile.c, protoize.c: Likewise.
3748 Thu Jan 21 19:44:55 1999 Michael Meissner <meissner@cygnus.com>
3750 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): If
3751 --with-gnu-ld, use x-aix41-gld instead of x-aix41 to suppress
3752 adding -Wl,-bbigtoc to BOOT_LDFLAGS.
3753 * configure: Regenerate.
3755 * config/rs6000/x-aix41-gld: New file, don't set BOOT_LDFLAGS.
3757 Thu Jan 21 15:48:03 1999 Dave Brolley <brolley@cygnus.com>
3759 * cppexp.c (cpp_lex): Allocate token_buffer dynamically.
3761 Thu Jan 21 14:18:04 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
3763 * expr.c (MOVE_BY_PIECES_P): Define condition for deciding to use
3765 (MOVE_MAX_PIECES): Define maximum number of bytes to move at once.
3766 (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT): Define defaults.
3767 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define defaults.
3768 (move_by_pieces): Use new macros.
3769 (emit_block_move): Use new macros.
3770 (clear_by_pieces): Use new macros.
3771 (clear_storage): Use new macros.
3772 (emit_push_insn): Use new macros.
3773 (expand_expr): Use new macros.
3774 * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT):
3776 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define.
3777 (MOVE_BY_PIECES_P): Define based on alignment and TARGET_SMALLCODE.
3778 (MOVE_MAX_PIECES): move 8 bytes on SH4.
3779 * tm.texi(MOVE_BY_PIECES_P, MOVE_MAX_PIECES, USE_LOAD_POST_INCREMENT,
3780 USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT,
3781 USE_STORE_PRE_DECREMENT): Describe new macros.
3783 Thu Jan 21 14:13:31 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
3785 * varasm.c (output_constant_pool): Use floor_log2 instead of
3786 exact_log2 for ASM_OUTPUT_ALIGN.
3788 * stor-layout.c (layout_type): Do machine-dependent extra alignment.
3790 * emit-rtl.c (operand_subword): Handle case when a subword outside
3793 * tm.texi (ROUND_TYPE_{SIZE,ALIGN}): More accurate descriptions of
3796 Thu Jan 21 01:59:30 1999 Richard Henderson <rth@cygnus.com>
3798 * cse.c (fold_rtx): Revert 29 Dec change.
3799 (cse_insn): Revert 12 Jan change.
3800 * expr.c (expand_builtin): Don't emit CONST around CONSTANT_P_RTX.
3801 * regclass.c (reg_scan_mark_refs): Revert 29 Dec change.
3802 * rtl.def: Likewise.
3803 * rtl.h (CONSTANT_P): Likewise.
3805 * expr.c (emit_move_insn): Never try to flush CONSTANT_P_RTX
3807 * recog.c (immediate_operand): Accept CONSTANT_P_RTX.
3808 * alpha.c (input_operand): Likewise.
3809 * c4x.c (const_operand): Likewise.
3811 * explow.c (allocate_dynamic_stack_space): Use register_operand
3812 instead of arith_operand, which does not exist.
3814 * 1750a.h: Fix comment closure.
3815 * a29k.c (a29k_set_memflags): Fix typo in 19 Jan change.
3816 * arc.md (one_cmplsi2_set_cc_insn): Fix set mode mismatch.
3817 * arm.h (TARGET_SWITCHES): Fix typo.
3818 * i370.md (anon mult and div patterns): Fix set mode mismatch.
3819 * i860.c (output_delayed_branch): Fix operands to constrain_operands.
3820 (output_delay_insn): Likewise.
3821 * m88k.md (anon rotate insns): Fix set mode mismatch.
3822 (anon BLKmode moves): Commonize and fix set mode mismatches.
3823 * ns32k.md (udivmoddi[shq]i4_internal): Fix mode mismatch.
3824 * romp.md (movdf): Fix typo.
3826 Thu Jan 21 00:29:35 1999 Nathan Sidwell <nathan@acm.org>
3828 * Makefile.in (install-common): Remove extraneous chmod for gcov
3831 Wed Jan 20 18:15:08 1999 Dave Brolley <brolley@cygnus.com>
3833 * function.c (assign_parms): Save and restore setting of
3836 Wed Jan 20 12:51:42 1999 Mark Mitchell <mark@markmitchell.com>
3838 * arm.md: Use MEM_COPY_ATTRIBUTES where appropriate throughout.
3839 Pass MEM_SCALAR_P to arm_gen_store_multiple where appropriate.
3841 Tue Jan 19 21:20:52 1999 Richard Henderson <rth@cygnus.com>
3843 * recog.c (pop_operand): New function.
3844 * recog.h (pop_operand): Declare it.
3845 * genrecog.c (preds): Define it.
3847 * expr.c (do_jump_for_compare): Handle conditional branch expanders
3848 emitting multiple jump instructions.
3849 * jump.c (condjump_label): New function.
3850 * rtl.h (condjump_label): Declare it.
3852 Tue Jan 19 21:08:20 1999 Richard Henderson <rth@cygnus.com>
3854 * expr.c (emit_move_insn_1): Revert 17 Dec change. Don't emit
3855 clobber during or after reload.
3857 Tue Jan 19 16:56:03 1999 Richard Henderson <rth@cygnus.com>
3859 * genoutput.c (name_for_index): New function.
3860 (scan_operands, validate_insn_alternatives): Use it.
3861 * genrecog.c (insn_name_ptr_size): New variable.
3862 (make_insn_sequence): Fill in insn_name_ptr.
3863 (merge_trees): Use it.
3865 Tue Jan 19 16:37:36 1999 Richard Henderson <rth@cygnus.com>
3867 * i386/isc.h (TARGET_DEFAULT): Define symbolicly.
3868 * i386/isccoff.h, i386/next.h, i386/sco.h, i386/sco5.h: Likewise.
3869 * i386/scodbx.h, i386/sequent.h, i386.unix.h: Likewise.
3871 Tue Jan 19 15:00:10 1999 Jeffrey A Law (law@cygnus.com)
3873 * loop.c (NUM_STORES): Delete.
3874 (loop_store_mems): Turn into an EXPR_LIST of MEMs.
3875 (prescan_loop): Properly initialize loop_mems_idx.
3876 (note_addr_stored): Simplify using list structure instead of
3878 (invariant_p, check_dbra_loop, load_mems): Similarly.
3880 * flow.c (invalidate_from_autoinc): New function.
3881 (mark_set_1, mark_used_regs): Use it.
3883 * Makefile.in (protoize.o, unprotoize.o): Depend on Makefile.
3885 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
3887 * invoke.texi (-mlong-double-64): New option description.
3889 1999-01-19 Jim Wilson <wilson@cygnus.com>
3891 * libgcc2.c: Change all uses of LONG_DOUBLE_TYPE_SIZE to
3892 LIBGCC2_LONG_DOUBLE_TYPE_SIZE.
3893 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): New. Set to LONG_DOUBLE_TYPE_SIZE
3895 * i960/i960.h (MULTILIB_DEFAULTS): Define to mnumerics.
3896 (CPP_SPECS): Add -mlong-double-64 support.
3897 (TARGET_FLAG_LONG_DOUBLE_64, TARGET_LONG_DOUBLE_64): New.
3898 (TARGET_SWITCHES): Add -mlong-double-64 support.
3899 (LONG_DOUBLE_TYPE_SIZE): Likewise.
3900 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
3901 * i960/vx960-coff.h (MULTILIB_DEFAULTS): Define to msoft-float.
3902 (CPP_SPECS): Add -mlong-double-64 support.
3903 * i960/t-960bare (MULTILIB_OPTIONS): Add mlong-double-64.
3904 (MULTILIB_DIRNAMES): Add ld64.
3905 * i960/t-vxworks960 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Likewise.
3907 Tue Jan 19 11:54:04 1999 Jason Merrill <jason@yorick.cygnus.com>
3909 * calls.c (expand_call): Strip a TARGET_EXPR if we're passing by
3910 invisible reference.
3912 Tue Jan 19 14:51:36 1999 David Edelsohn <edelsohn@gnu.org>
3914 * rs6000.c (offsettable_addr_operand): Delete.
3915 (offsettable_mem_operand): New function.
3916 * rs6000.h (PREDICATE_CODES): Reflect function change.
3917 (RS6000_SAVE_TOC): Represent address as MEM.
3918 * win-nt.h (RS6000_SAVE_TOC): Same.
3919 * rs6000.md (indirect calls): Change offsettable address parameter
3920 to offsettable memory parameter.
3922 Tue Jan 19 10:24:53 1999 Mark Mitchell <mark@markmitchell.com>
3924 * rtl.h (rtx_def): Update documentation.
3925 (MEM_IN_STRUCT_P): Likewise.
3926 (MEM_SCALAR_P): New macro.
3927 (MEM_COPY_ATTRIBUTES): Likewise.
3928 (MEM_SET_IN_STRUCT_P): Likewise.
3929 * rtl.texi (MEM_SCALAR_P): Document.
3930 * alias.c (canon_rtx): Use MEM_COPY_ATTRIBUTES.
3931 (fixed_scalar_and_varying_struct_p): New function. Use
3932 MEM_SCALAR_P rather than !MEM_IN_STRUCT_P.
3933 (aliases_everything_p): Likewise.
3934 (true_dependence): Use them.
3935 (write_dependence_p): New function, containing code common to
3936 anti_dependence and output_dependence.
3937 (anti_dependence): Use it.
3938 (output_dependence): Likewise.
3939 * calls.c (save_fixed_argument_area): Don't clear
3941 (expand_call): Use MEM_SET_IN_STRUCT_P.
3942 (emit_library_call): Don't clear MEM_IN_STRUCT_P.
3943 (emit_library_call_value): Likewise.
3944 (store_one_arg): Use MEM_SET_IN_STRUCT_P.
3945 * combine.c (simplify_rtx): Use MEM_COPY_ATTRIBUTES.
3946 (make_extraction): Likewise.
3947 (simplify_shift_const): Likewise.
3948 (gen_lowpart_for_combine): Likewise.
3949 * cse.c (gen_lowpart_if_possible): Use MEM_COPY_ATTRIBUTES.
3950 * emit-rtl.c (operand_subword): Likewise.
3951 (change_address): Likewise.
3952 * explow.c (stabilize): Use MEM_COPY_ATTRIBUTES.
3953 * expr.c (protect_from_queue): Use MEM_COPY_ATTRIBUTES.
3954 (emit_group_store): Use MEM_SET_IN_STRUCT_P.
3955 (copy_blkmode_from_reg): Likewise.
3956 (store_field): Likewise.
3957 (expand_expr): Remove bogus guesswork setting MEM_IN_STRUCT_P
3958 heuristically. Use MEM_SET_IN_STRUCT_P.
3959 (get_memory_rtx): Likewise.
3960 * final.c (alter_subreg): Use MEM_COPY_ATTRIBUTES.
3961 * function.c (assign_stack_temp): Clear MEM_SCALAR_P and
3962 MEM_ALIAS_SET on newly returned MEMs.
3963 (assign_temp): Use MEM_SET_IN_STRUCT_P.
3964 (put_reg_into_stack): Likewise.
3965 (fixup_var_refs1): Use MEM_COPY_ATTRIBUTES.
3966 (gen_mem_addressof): Use MEM_SET_IN_STRUCT_P.
3967 (assign_parms): Likewise.
3968 (expand_function): Likewise.
3969 * integrate.c (expand_inline_function): Likewise.
3970 (copy_rtx_and_substitute): Use MEM_COPY_ATTRIBUTES.
3971 * loop.c (note_addr_stored): Remove check on MEM_IN_STRUCT_P.
3972 * optabs.c (gen_move_insn): Use MEM_COPY_ATTRIBUTES.
3973 * print-rtl.c (print_rtx): Print /f for frame_related.
3974 * recog.c (validate_replace_rtx_1): Use MEM_COPY_ATTRIBUTES.
3975 * reload1.c (reload): Copy MEM_SCALAR_P as well.
3976 * stmt.c (expand_decl): Use MEM_SET_IN_STRUCT_P.
3977 (expand_anon_union_decl): Use MEM_COPY_ATTRIBUTES.
3978 * varasm.c (make_decl_rtl): Use MEM_SET_IN_STRUCT_P.
3979 (output_constant_def): Likewise.
3980 * a29k.c (a29k_set_memflags_1): Take scalar_p.
3982 (a29k_set_memflags): Use it.
3983 * alpha.c (get_aligned_mem): Use MEM_COPY_ATTRIBUTES.
3984 * c4x.c (c4x_scan_for_ld): Likewise.
3985 * h8300.c (fix_bit_operand): Likewise.
3986 * m88k.c (legitimize_address): Likewise.
3987 (block_move_loop): Likewise.
3988 (block_move_no_loop): Likewise.
3989 (block_move_sequence): Likewise.
3990 (m88k_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
3991 * mips/abi64.h (SETUP_INCOMING_VARARGS): Likewise.
3992 * rs6000.c (expand_block_move_insn): Use MEM_COPY_ATTRIBUTES.
3993 * sh.c (sh_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
3994 * arm.h (arm_gen_load_multiple): Take scalar_p.
3995 (arm_store_load_multiple): Likewise.
3996 * arm.c (arm_gen_load_multiple): Likewise.
3997 (arm_gen_store_multiple): Likewise.
3998 (arm_gen_movstrqi): Treat MEM_SCALAR_P like MEM_IN_STRUCT_P.
4000 Tue Jan 19 12:30:37 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
4002 * optabs.c (emit_libcall_block): Add a REG_EH_REGION reg note to all
4003 calls within a libcall block to indicate no throws are possible.
4004 * flow.c (find_basic_blocks, find_basic_blocks_1): Don't look for
4005 libcall blocks. Don't add edges to exception handlers if we see
4006 a REG_EH_REGION note with a value of 0.
4007 (make_edges): Override active_eh_region vector if the call has a note
4008 indicating the call does not throw.
4010 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
4012 * config/rs6000/sysv4.h (CC1_SPEC): Fix correct numbers of {}.
4014 Tue Jan 19 06:26:30 1999 Jeffrey A Law (law@cygnus.com)
4016 * Makefile.in (cccp.o, cpplib.o): Depend on Makefile.
4018 Mon Jan 18 09:56:41 1999 Jason Merrill <jason@yorick.cygnus.com>
4020 * invoke.texi (C++ Dialect Options): Document -fno-rtti.
4022 1999-01-18 Vladimir N. Makarov <vmakarov@cygnus.com>
4024 * invoke.texi (-mcpu=740, -mcpu=750): New options.
4025 (-m(no-)multiple, -m(no-)string): Describe cases for PPC740 &
4028 1999-01-18 Michael Meissner <meissner@cygnus.com>
4030 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
4031 supported with -mcpu=xxx.
4032 (processor_type): Add PROCESSOR_PPC750.
4033 (ADJUST_PRIORITY): Call rs6000_adjust_priority.
4034 (RTX_COSTS): Supply costs for 750 multiply/divide operations.
4035 (rs6000_adjust_priority): Add declaration.
4037 * rs6000.c (rs6000_override_options): -mcpu={750,740} now sets the
4038 processor type as 750, not 603. Allow -mmultiple and -mstring on
4039 little endian 750 systems.
4040 (rs6000_adjust_priority): Stub for now.
4041 (get_issue_rate): The PowerPC 750 can issue 2 instructions/cycle.
4043 * rs6000.md (function/cpu attributes): Add initial ppc750 support.
4045 * sysv4.h (STRICT_ALIGNMENT): Don't force strict alignment if
4047 (CC1_SPEC): Pass -mstrict-align if little endian, and not
4049 (CC1_ENDIAN_{LITTLE,BIG,DEFAULT}_SPEC): Endian specific configs.
4050 (SUBTARGET_EXTRA_SPECS): Add cc1 endian specs.
4052 * {sysv4,eabi}le.h (CC1_ENDIAN_DEFAULT_SPEC): Override, default is
4055 * t-ppcgas (MULTILIB_*): Delete obsolete Solaris multilibs.
4057 Mon Jan 18 12:03:08 1999 Gavin Romig-Koch <gavin@cygnus.com>
4059 * config/mips/mips.md (div_trap): Split div_trap_mips16
4061 (div_trap_normal,div_trap_mips16): Correct the length attributes.
4063 Mon Jan 18 11:48:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4065 * cpplib.c (special_symbol): Qualify a char* with the `const' keyword.
4066 Instead of writing to const char *buf directly, use a non-const
4067 variable `wbuf' to allocate and write a string, then set buf = wbuf.
4069 * cppulp.c (user_label_prefix): Qualify a char* with the `const'
4072 * dyn-string.c (dyn_string_append): Likewise.
4074 * dyn-string.h (dyn_string_append): Likewise.
4076 * final.c (end_final, output_operand_lossage, asm_fprintf): Likewise.
4078 * output.h (end_final, output_operand_lossage, asm_fprintf,
4079 named_section, decode_reg_name, make_decl_rtl, user_label_prefix):
4082 * profile.c (init_branch_prob): Likewise.
4084 * toplev.c (set_target_switch, vmessage,
4085 v_message_with_file_and_line, v_message_with_decl,
4086 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
4087 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
4088 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
4089 v_pedwarn_with_file_and_line, vsorry, v_really_sorry,
4090 open_dump_file, dump_rtl, clean_dump_file,
4091 print_version, print_single_switch, print_switch_values,
4092 dump_base_name, debug_args, lang_independent_options,
4093 user_label_prefix, documented_lang_options, target_switches,
4094 target_options, print_time, pfatal_with_name, fatal_io_error,
4095 fatal_insn, default_print_error_function, print_error_function,
4096 report_error_function, error_with_file_and_line, error_with_decl,
4097 error_for_asm, error, fatal, warning_with_file_and_line,
4098 warning_with_decl, warning_for_asm, warning, pedwarn,
4099 pedwarn_with_decl, pedwarn_with_file_and_line, sorry,
4100 really_sorry, botch, output_quoted_string, output_file_directive,
4101 open_dump_file, rest_of_decl_compilation, display_help, main):
4104 * toplev.h (print_time, fatal, fatal_io_error, pfatal_with_name,
4105 fatal_insn, warning, error, pedwarn, pedwarn_with_file_and_line,
4106 warning_with_file_and_line, error_with_file_and_line, sorry,
4107 really_sorry, default_print_error_function, report_error_function,
4108 rest_of_decl_compilation, pedwarn_with_decl, warning_with_decl,
4109 error_with_decl, error_for_asm, warning_for_asm, output_quoted_string,
4110 output_file_directive, botch): Likewise.
4112 * tree.h (make_decl_rtl): Likewise.
4114 * varasm.c (strip_reg_name, named_section, decode_reg_name,
4115 make_decl_rtl): Likewise.
4117 Mon Jan 18 11:35:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
4119 * Makefile.in (TCL_LIBRARY): Use 'cd' to find the library
4120 directory logically rather than physically.
4122 Mon Jan 18 09:05:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4124 * loop.c (insert_bct): Hide the definition of variables
4125 `increment_direction', `compare_direction', `add_iteration' and
4128 * recog.c (mode_dependent_address_p): Mark parameter `addr' with
4129 ATTRIBUTE_UNUSED. Mark label `win' with ATTRIBUTE_UNUSED_LABEL.
4130 (mode_independent_operand): Mark label `lose' with
4131 ATTRIBUTE_UNUSED_LABEL.
4133 * regclass.c (n_occurrences): Remove prototype and definition.
4135 * reload.c (find_reloads_address_1): Mark variable `tem' with
4138 * reload1.c (reload): Cast the first two arguments of `bcopy' to PTR.
4140 * sbitmap.c (sbitmap_copy): Likewise.
4142 * scan-decls.c (scan_decls): Hide label `handle_comma'.
4144 * toplev.c (output_lang_identify): Mark prototype with
4147 * tree.c (make_node): Cast the first argument of `bzero' to PTR.
4148 (make_tree_vec): Likewise.
4151 * varasm.c (assemble_static_space): Mark variable `tem' with
4154 Mon Jan 18 04:28:36 1999 Nathan Sidwell <nathan@acm.org>
4156 * Makefile.in (GCOV_INSTALL_NAME): New macro.
4157 (install-common): Use it.
4158 (uninstall): Use it.
4159 (uninstall): Use correct names for protoize and unprotoize.
4161 Mon Jan 18 03:52:56 1999 Christian Bruel <Christian.Bruel@st.com>
4162 Jeffrey A Law (law@cygnus.com)
4164 * flow.c (last_mem_set): Delete variable. References removed.
4165 (mem_set_list): New variable.
4166 (life_analysis): Initialize and finalize alias analysis.
4167 (propagate_block); Initialize mem_set_list. Clear for CALL_INSNs.
4168 (insn_dead_p): For a store to memory, search the entire mem_set_list
4170 (mark_set_1): Kill entries on the mem_set_list for aliased writes or
4171 changes to their addresses. Add new entries to the mem_set_list for
4172 memory writes writes.
4173 (mark_used_regs): Kill entries on the mem_set_list which may be
4174 referenced by a load operation.
4176 Mon Jan 18 01:01:02 1999 Jeffrey A Law (law@cygnus.com)
4178 * alias.c (base_alias_check): Add missing return for differing
4181 Mon Jan 18 00:36:13 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4183 * mips-tdump.c (print_file_desc): Handle unknown filenames and
4184 missing local symbols.
4186 Sun Jan 17 21:04:31 1999 Richard Henderson <rth@cygnus.com>
4188 * jump.c (rtx_renumbered_equal_p): Special case CODE_LABEL.
4190 * system.h (bcopy): Implement with memmove not memcpy.
4192 Sun Jan 17 19:23:20 1999 Jeffrey A Law (law@cygnus.com)
4194 * Makefile.in (cppulp.o): Add dependencies.
4196 * i386.md (integer conditional moves): Add missing earlyclobbers.
4198 * regmove.c (optimize_reg_copy_1): Undo Aug 18 change. Update
4199 REG_N_CALLS_CROSSED and REG_LIVE_LENGH if and only if we change
4200 where a register is live.
4202 Sun Jan 17 03:20:47 1999 H.J. Lu (hjl@gnu.org)
4204 * reg-stack.c (subst_stack_regs_pat): Abort if the destination
4205 of a FP conditional move is not on the FP register stack.
4207 Sun Jan 17 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
4209 * version.c: Bump for snapshot.
4211 Sat Jan 16 23:40:33 1999 Jeffrey A Law (law@cygnus.com)
4213 * reload1.c (reload_cse_regs_1): Do not call
4214 reload_cse_simplify_operands for an insn with asm operands.
4216 * cccp.c (print_help): Fix typos.
4217 * cpplib.c (print_help): Fix typos.
4218 * toplev.c (f_optiosn): Fix typos.
4219 (documented_lang_options): Fix typos.
4221 Sat Jan 16 21:48:17 1999 Marc Espie (Marc.Espie@openbsd.org)
4223 * gcc.c: (do_spec_1): Fix obvious typo.
4225 Sat Jan 16 19:31:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4227 * c-decl.c (duplicate_decls): If `warn_traditional', warn when
4228 a non-static function declaration follows a static one.
4230 * invoke.texi (-Wtraditional): Document the extra check now done
4233 Sat Jan 16 15:13:46 1999 Jeffrey A Law (law@cygnus.com)
4235 * pa.md (shadd): Create shadd insns, even if the result of the shift is
4236 needed without the addition.
4238 Sat Jan 16 10:48:16 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4240 * sh.md (movdf, movsf): Temporary workaround for no_new_pseudos lossage.
4242 Fri Jan 15 23:44:37 1999 Richard Henderson <rth@cygnus.com>
4244 * sparc.c (sparc_issue): Add hypersparc/sparclite86x entries.
4246 Fri Jan 15 22:30:04 1999 David Edelsohn <edelsohn@gnu.org>
4248 * rs6000.h (CONST_OK_FOR_LETTER_P): Do not assume 32-bit CONST_INT.
4249 * rs6000.c (u_short_cint_operand, add_operand, logical_operand,
4250 non_add_cint_operand, non_logical_cint_operand): Likewise.
4251 (get_issue_rate): Add CPU_PPC604E case.
4252 * rs6000.md (movdi, !TARGET_POWERPC64 splitters): Handle 64-bit hosts.
4254 Fri Jan 15 18:42:12 1999 Richard Henderson <rth@cygnus.com>
4256 * expr.c (queued_subexp_p): Make public.
4257 * expr.h (queued_subexp_p): Declare it.
4258 * recog.c (asm_operand_ok): New function.
4259 (check_asm_operands): Use it. After reload, use constrain_operands
4261 * recog.h (asm_operand_ok): Declare it.
4262 * stmt.c (expand_asm_operands): Use it to try harder to make
4263 asms initially satisfy their constraints.
4265 Fri Jan 15 17:43:59 1999 Jeffrey A. Law <law@rtl.cygnus.com>
4267 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do not create
4268 (mem (lo_sum (...)) for TFmode unless TARGET_V9.
4270 Sat Jan 16 12:47:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4272 * config/c4x/c4x.md (not_repeat_reg): Allow ldp instruction
4273 in delay slot of RPTBD.
4275 Sat Jan 16 12:26:40 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4277 * config/c4x/libgcc.S (___divhi3, ___modhi3): Fix long long
4278 divide and modulo sign problem.
4280 Fri Jan 15 11:02:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4282 * unroll.c (loop_iterations): Return 0 if the last loop insn
4283 is not a jump insn or if the loop has multiple back edges.
4285 1999-01-15 Manfred Hollstein <manfred@s-direktnet.de>
4287 * configure.in (fixinc_defs): Do not define for m[68]8k-motorola-sysv{,3};
4288 it's working properly now. Remove comment saying "see m68k-motorola-sysv
4290 * configure: Regenerate using autoconf.
4292 * fixinc/fixincl.c (main): Do not ignore SIGCHLD.
4294 Thu Jan 14 22:38:41 1999 Jeffrey A Law (law@cygnus.com)
4296 * unroll.c (find_splittable_givs): For a DEST_ADDR giv, do not share
4297 a register with another DEST_ADDR giv if the address is not valid.
4299 * pa.c (hppa_expand_epilogue): Save and restore the static chain
4300 around the call to mcount.
4302 * h8300.h (ASM_OUTPUT_LABELREF): Use asm_fprintf, not fprintf.
4304 * stmt.c (expand_end_case): Use emit_cmp_and_jump_insns to avoid
4305 generating non-canonical rtl.
4307 1999-01-14 Vladimir N. Makarov <vmakarov@cygnus.com>
4309 * config/i960/i960.c (i960_output_move_double_zero,
4310 i960_output_move_quad_zero): New functions for moving zeros.
4311 (i960_output_move_double, i960_output_move_quad): Additional code
4312 for situation when moving unaligned register group.
4314 * config/i960/i960.h (i960_output_move_double_zero,
4315 i960_output_move_quad_zero): The function definitions.
4317 * config/i960/i960.md (movdi+1, movti+1): Usage of the functions.
4319 1999-01-13 Vladimir N. Makarov <vmakarov@cygnus.com>
4321 * config/i960/i960.c (i960_function_prologue): New code (optimal
4322 solution) for saving global registers in local registers.
4323 (form_reg_groups, reg_group_compare, split_reg_group): New
4324 functions used by the code.
4325 (reg_group): New structure definition for the new code.
4327 1999-01-13 Manfred Hollstein <manfred@s-direktnet.de>
4329 * fixinc/fixincl.c (create_file): Pass file creation mask as
4330 third parameter to "open". Use O_TRUNC flag to open instead of
4331 explicitly unlink'ing the file.
4332 (process): and forget about the "chmod" stuff.
4334 Wed Jan 13 20:12:37 1999 Richard Henderson <rth@cygnus.com>
4336 * integrate.c (expand_inline_function): Recognize (mem (addressof))
4337 and substitute. Copy the return value from there into a new pseudo.
4339 Wed Jan 13 16:47:00 1999 Catherine Moore <clm@cygnus.com>
4341 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
4342 before generating a call to abort for volatile functions.
4343 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
4344 (TARGET_ABORT_NORETURN): Define.
4345 (abort-on-noreturn): New option.
4347 Thu Jan 14 13:52:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4349 * config/c4x/c4x.md (in_annul_slot_3): Correctly allow unarycc
4350 and binarycc operations in 3rd annulled delay slot!
4352 Wed Jan 13 16:16:44 1999 Catherine Moore <clm@cygnus.com>
4354 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
4355 before generating a call to abort for volatile functions.
4356 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
4357 (TARGET_ABORT_NORETURN): Define.
4358 (abort-on-noreturn): New option.
4360 Wed Jan 13 13:30:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4362 * cccp.c (xstrdup): Renamed from `savestring'. All callers changed.
4363 Remove prototype which we get from libiberty.h.
4365 * collect2.c (xstrdup): Likewise.
4367 * genextract.c (xstrdup): Likewise for `copystr'.
4368 (mybzero): Remove it and use `memset' instead.
4370 * genoutput.c (mybcopy, mybzero): Remove these. All callers changed
4371 to use `memcpy' and `memset' instead.
4373 * genrecog.c (xstrdup): Renamed from `copystr'. All callers
4374 changed. Remove prototype.
4375 (mybcopy, mybzero): Remove these and use memcpy/memset.
4377 Wed Jan 13 00:59:04 1999 Jeffrey A Law (law@cygnus.com)
4379 * mips.h (LOAD_EXTEND_OP): Correct for SImode and CCmode moves when
4380 generating code for TARGET_64BIT.
4382 Tue Jan 12 14:05:37 1999 David Edelsohn <edelsohn@gnu.org>
4384 * rs6000.c (print_operand, cases 'm' and 'M'): Do not depend on
4385 HOST_WIDE_INT word-size.
4386 (rs6000_stack_info): Remove redundant alignment of fpmem.
4388 Tue Jan 12 14:05:37 1999 Richard Henderson <rth@cygnus.com>
4390 * rs6000.c (short_cint_operand): Remove CONSTANT_P_RTX handling.
4391 (u_short_cint_operand, reg_or_cint_operand, logical_operand): Likewise.
4392 (input_operand): Adjust CONSTANT_P_RTX handling.
4393 * rs6000.h (PREDICATE_CODES): Remove CONSTANT_P_RTX references.
4394 * rs6000.md (movsi): Adjust CONSTANT_P_RTX handling.
4395 (movhi, movqi): Remove CONSANT_P_RTX handling.
4396 (movdi): Adjust CONSTANT_P_RTX handling.
4398 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
4400 * configure: Regenerate using autoconf.
4402 * fixinc/Makefile.in (INCLUDES): Add -I$(srcdir)/../../include.
4403 * fixinc/fixincl.c (SIGCHLD): Use SIGCLD on (very) old systems.
4404 (process): "fchmod" isn't available on all systems, use "chmod"
4406 * fixinc/server.c: Add #include <sys/types.h>.
4407 (STDIN_FILENO): Add default definition if no include file defines
4409 (STDOUT_FILENO): Likewise.
4411 Tue Jan 12 10:23:24 1999 Stan Cox <scox@cygnus.com>
4413 * mips.md (call_value_internal3c): New pattern for -mips16 -mlong-calls.
4415 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
4417 * m68k/mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
4418 ensure all prototypes necessary for building libio will be available.
4419 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Remove
4420 definitions here as they are not host specific.
4421 * m88k/sysv3.h, m88k/xm-sysv3.h: Likewise.
4423 Tue Jan 12 02:53:46 1999 Richard Henderson <rth@cygnus.com>
4425 * cse.c (cse_insn): Never prefer (const (constant_p_rtx)).
4427 Tue Jan 12 02:36:10 PST 1999 Jeff Law (law@cygnus.com)
4429 * version.c: Bump for snapshot.
4431 Tue Jan 12 01:30:19 1999 Richard Henderson <rth@cygnus.com>
4433 * rtl.c (rtx_alloc): Use memset instead of inline loop.
4435 * recog.h (recog_op_alt): Declare extern.
4437 Tue Jan 12 00:23:31 1999 Richard Henderson <rth@cygnus.com>
4439 * function.c (purge_addressof_1): If the note accesses a mem+addressof
4440 in a wider mode than any replacement, adjust the cached replacement.
4441 Cache trivial substitutions as well.
4443 Tue Jan 12 00:06:00 1999 Richard Henderson <rth@cygnus.com>
4445 * Makefile.in (OBJECTS): Add sbitmap.o.
4446 (BASIC_BLOCK_H): Add sbitmap.h.
4447 * basic-block.h: Move simple bitmap code to sbitmap.h.
4448 * flow.c: Move simple bitmap code to sbitmap.c
4449 * sbitmap.h, sbitmap.c: New files.
4451 Mon Jan 11 23:51:50 1999 Richard Henderson <rth@cygnus.com>
4453 * alpha.h (TARGET_SWITCHES): Document switches.
4454 (TARGET_OPTIONS): Likewise.
4456 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Use HOST_WIDE_INT_PRINT_DEC.
4458 Mon Jan 11 22:54:14 1999 Richard Henderson <rth@cygnus.com>
4460 * tree.c (new_alias_set): Return zero if !flag_strict_aliasing.
4462 Mon Jan 11 22:36:01 1999 Richard Henderson <rth@cygnus.com>
4464 * basic-block.h (basic_block_head): Rename to x_basic_block_head.
4465 (basic_block_end): Rename to x_basic_block_end.
4466 (BLOCK_HEAD, BLOCK_END): Update.
4468 * caller-save.c: Change basic_block_head/end references to
4470 * combine.c, flow.c, function.c, gcse.c, global.c: Likewise.
4471 * graph.c, haifa-sched.c, local-alloc.c, regclass.c: Likewise.
4472 * regmove.c, reload1.c, reorg.c, sched.c: Likewise.
4474 Sat Jan 9 23:54:09 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4476 * gcc.c (xstrerror): Renamed from my_strerror. All callers
4477 changed. Remove prototype since we get that from libiberty.h.
4479 * protoize.c (xstrerror): Likewise.
4481 Sat Jan 9 23:22:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4483 * gcc.c (read_specs): Ensure format specifiers match their arguments.
4485 Sat Jan 9 20:04:24 1999 Richard Henderson <rth@cygnus.com>
4487 * tree.c (copy_node): Oops. That would be copy not zero
4488 in that last change.
4490 Sun Jan 10 15:35:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4492 * config/c4x/c4x.c: Include system.h.
4493 (c4x_caller_save_map): Disable caller save for RC.
4494 (c4x_optimization_options): Disable scheduling before reload.
4495 (valid_parallel_load_store) : Define return type as int.
4496 Remove unused variable regs.
4497 * config/c4x/c4x.h (REGISTER_MOVE_COST): Make independent of register
4499 * config/c4x/c4x.md (rotlqi3, rotrqi3): Fix up emitted RTL to
4501 (*db, decrement_and_branch_until_zero): Fix up constraints
4502 to keep reload happy.
4504 Sat Jan 9 18:35:29 1999 Richard Henderson <rth@cygnus.com>
4506 * tree.c (make_node): Call bzero instead of inline clear.
4507 (copy_node, make_tree_vec, build1): Likewise.
4508 (get_identifier): Call strlen instead of inline count.
4509 (maybe_get_identifier): Likewise.
4511 Sun Jan 10 14:04:51 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4513 * config/c4x/c4x.md: (in_annul_slot_3): Allow unarycc and binarycc
4514 operations in 3rd annulled delay slot.
4515 (*lshrqi3_const_set): Disallow c constraint for operand0.
4516 (modhi3+1, modhi3+2): Set attribute type to multi.
4517 * config/c4x/c4x.c (c4x_S_constraint): Removed space in middle of
4520 Sat Jan 9 11:44:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4522 * gansidecl.h: Allow attribute unused on labels only when we are
4523 version 2.93 or higher. Not all versions of 2.92 have this feature.
4525 * version.c: Bump minor number to 93.
4527 Fri Jan 8 10:51:13 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4529 * config/m68k/m68k.h: Declare output_function_epilogue.
4530 * recog.h: Declare next_insn_tests_no_inequality.
4532 Fri Jan 8 01:43:53 1999 Jeffrey A Law (law@cygnus.com)
4534 * stmt.c (optimize_tail_recursion): New function, extracted from ...
4535 (expand_return): Use optimize_tail_recursion.
4536 * tree.h (optimize_tail_recursion): Declare.
4538 * toplev.c (compile_file): Move call to output_func_start_profiler
4539 to after the loop to emit deferred functions.
4541 Thu Jan 7 19:52:53 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4543 * system.h (abort): Supply more detailed information on how to
4544 report an Internal Compiler Error.
4546 Thu Jan 7 9:25:58 PST 1999 Bruce Korb (korb@datadesign.com)
4548 * fixinc/fixincl.c (*): more decapitalization of variables
4549 plus some explanitory comments
4551 * fixinc/Makefile.in fixinc/mkfixinc.sh:
4552 When the fixincl program does not work for a certain system,
4553 we substitute a shell script. Added user commentary when
4556 Thu Jan 7 11:26:17 1999 Mark Mitchell <mark@markmitchell.com>
4558 * calls.c (store_unaligned_arguments_into_pseudos): Use xmalloc to
4559 allocate memory that will live beyond this function.
4560 (expand_call): Free it here.
4562 Thu Jan 7 03:08:17 1999 Richard Henderson <rth@cygnus.com>
4564 * sparc.h (PREFERRED_RELOAD_CLASS): Select GENERAL_REGS for
4565 integer data not destined for fp regs.
4566 (LEGITIMIZE_RELOAD_ADDRESS): New.
4568 Thu Jan 7 03:03:42 1999 Stan Cox <scox@cygnus.com>
4569 Richard Henderson <rth@cygnus.com>
4571 Support for Hypersparc and Sparclite86x:
4572 * sparc.h (TARGET_CPU_hypersparc, TARGET_CPU_sparclite86x): New.
4573 (CPP_CPU32_DEFAULT_SPEC): Fix up for the new targets.
4574 (ASM_CPU32_DEFAULT_SPEC): Likewise.
4575 (TARGET_CPU_DEFAULT): Likewise.
4576 (enum processor_type): Likewise.
4577 (CPP_ENDIAN_SPEC): Handle little endian data.
4578 (LIBGCC2_WORDS_BIG_ENDIAN): Likewise.
4579 (ADJUST_COST): Call sparc_adjust_cost.
4580 * sparc.c (sparc_override_options): Fix up for the new targets.
4581 (supersparc_adjust_cost): Make static.
4582 (hypersparc_adjust_cost): New.
4583 (ultrasparc_adjust_cost): Make static.
4584 (sparc_adjust_cost): New.
4585 * sparc.md (attr cpu): Add hypersparc and sparclite86x.
4586 (function_unit): Add hypersparc scheduling rules.
4588 * configure.in (with_cpu handler): Recognize hypersparc.
4590 Thu Jan 7 23:54:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4592 * config/c4x/c4x.c: Added space after negation operator.
4593 * config/c4x/c4x.h: Likewise.
4594 * config/c4x/c4x.md: Likewise.
4596 Thu Jan 7 23:39:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4598 * config/c4x/c4x.c (c4x_preferred_reload_class): Always return class.
4600 Thu Jan 7 00:29:25 199 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4602 * combine.c (num_sign_bit_copies): In NEG, MULT, DIV and MOD cases,
4603 when a test can't be performed due to limited width of
4604 HOST_BITS_PER_WIDE_INT, use the more conservative approximation.
4605 Fix UDIV case for cases where the first operand has the highest bit
4608 Thu Jan 7 00:01:38 1999 Lutz Vieweg <lkv@mania.robin.de>
4610 * pa.h (reg_class): Add FPUPPER_REGS.
4611 (REG_CLASS_NAMES): Similarly.
4612 (REG_CLASS_CONTENTS): Similarly
4613 (REGNO_REG_CLASS): Handle FPUPPER_REGS.
4614 (FP_REG_CLASS_P): Likewise.
4615 (REG_CLASS_FROM_LETTER): Similarly.
4616 (CLASS_MAX_NREGS): Similarly.
4618 1999-01-06 Brendan Kehoe <brendan@cygnus.com>
4620 * fixincludes: For HP/UX 10.20, also look in curses_colr/curses.h
4621 for a typedef of bool. Make sure to have a copy of the file is
4622 in place before we look to fix it. Fix typo in variable name to
4625 Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com>
4627 * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
4628 value_mode for the return mode.
4630 Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net>
4632 * configure.in: New flag --with-dwarf2. If set, enables DWARF-2
4633 debugging as default.
4635 * config/tm-dwarf2.h: New file.
4637 Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com)
4639 * h8300.h (ASM_OUTPUT_LABELREF): Define.
4641 * pa.h (DONT_RECORD_EQUIVALENCE): Kill.
4642 * local-alloc.c (update_equiv_regs): Corresponding changes.
4643 * tm.texi (DONT_RECORD_EQUIVALENCE): Kill.
4645 * calls.c (special_function_p): Push alloca test inside the large
4646 conditional which excludes functions not at file scope or not
4649 * calls.c (special_function_p): New function broken out of
4651 (precompute_register_parameters): Likewise.
4652 (store_one_arg): Likewise.
4653 (store_unaligned_argumetns_into_pseudos): Likewise.
4654 (save_fixed_argument_area): Likewise.
4655 (restore_fixed_argument_area): Likewise.
4656 (expand_call): Corresponding changes.
4658 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4660 * config/c4x/c4x.md (addqi3): If the destination operand is
4661 a hard register other than an extended precision register,
4662 emit addqi3_noclobber.
4663 (*addqi3_noclobber_reload): New pattern added so that reload
4664 will recognise a store of a pseudo, equivalent to the sum
4665 of the frame pointer and a constant, as an add insn.
4667 1999-01-06 Manfred Hollstein <manfred@s-direktnet.de>
4669 * fixinc/fixincl.c: Re-indent according to the GNU standards.
4670 fixinc/server.c: Likewise.
4671 fixinc/server.h: Likewise.
4673 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4675 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
4677 (const_sint32_operand): Likewise.
4679 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4681 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
4682 is a macro when deciding if we can use `jmp_buf' in prototypes.
4684 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net>
4686 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
4687 * configure: Rebuilt.
4688 * i386/xm-go32.h: Define LIBSTDCXX.
4690 * i386/go32.h (MD_EXEC_PREFIX): Define.
4691 (FILE_NAME_ABSOLUTE_P): Define.
4692 (LINK_COMMAND_SPEC): Define.
4694 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
4696 * expr.c (store_expr): If the lhs is a memory location pointed
4697 to be a postincremented (or postdecremented) pointer, always
4698 force the rhs to be evaluated into a pseudo.
4700 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
4702 * real.c (mtherr): Print more reasonable warning messages.
4704 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4706 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
4708 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
4709 (new_include_prefix): Constify char* parameters.
4711 * cppfiles.c (read_name_map): Likewise.
4712 (append_include_chain): Likewise. Also, use a writable char* copy
4713 of parameter `dir' which we then modify, rather than using the
4714 parameter itself to store the new writable string.
4715 (remap_filename): Constify some variables. Also, use a writable
4716 char* to store an allocated string which we will be modifying.
4718 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
4719 (cpp_start_read): Constify variable `str'.
4721 * cpplib.h (append_include_chain): Constify a char* parameter.
4723 * gcc.c Include prefix.h, don't prototype prefix.c functions.
4724 (add_prefix, save_string): Constify char* parameters.
4725 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
4727 * prefix.c: Include prefix.h.
4728 (get_key_value, translate_name, save_string, update_path,
4729 set_std_prefix): Constify various char* parameters and variables.
4730 (save_string): Use xmalloc, not malloc.
4731 (translate_name): Use a writable temporary variable to create and
4732 modify a string before setting it to a const char*.
4734 * prefix.h: New file to prototype functions exported from prefix.c.
4736 Tue Jan 5 8:52:18 PST 1999 Bruce Korb (korb@datadesign.com)
4738 * fixinc/fixincl.c (various): added debug code so
4739 Manfred can trace the processing.
4741 * fixinc/inclhack.def (sys/utsname.h): Provide forward declaration of
4742 struct utsname on Ultrix V4.[35].
4744 * fixinc/{fixincl.x|fixincl.sh|inclhack.sh} : regenerated
4746 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
4748 * cpplib.c (skip_if_group): Split out the logic that handles
4749 directive recognition to its own function. Don't use
4750 parse markers; use a bare pointer into the buffer. Use
4751 copy/skip_rest_of_line instead of doing it by hand. Remove
4752 `return on any directive' mode which was never used, and take
4754 (consider_directive_while_skipping): New function, subroutine
4755 of skip_if_group. Logic streamlined a bit.
4756 (conditional_skip, do_elif, do_else): Call skip_if_group with
4759 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
4761 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
4764 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
4766 * extend.texi (Bound member functions): Document.
4768 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4770 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
4771 lang_to_string, type_to_string): Make return type const char*.
4772 (print_symbol): Apply `const' keyword to a char*.
4773 (print_file_desc): Cast structure member `crfd' to ulong when
4774 comparing against one.
4776 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
4777 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
4778 (progname, input_name): Apply `const' keyword to a char*.
4779 Don't redundantly include sys/stat.h.
4780 (alloc_info): Apply `const' keyword to a char*.
4781 (st_to_string, sc_to_string): Likewise.
4782 (hash_string): Cast variable `hash_string' to a symint_t when
4783 comparing against one.
4784 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
4785 Likewise cast it to long when comparing against one.
4786 (add_local_symbol): Apply `const' keyword to a char*.
4787 (add_ext_symbol): Likewise.
4788 (add_unknown_tag): Likewise.
4789 (add_procedure): Cast a printf-style field width to an int.
4790 (add_file): Cast PAGE_USIZE to long when comparing against one
4791 (parse_begin): Cast a printf-style field width to an int.
4792 (parse_bend): Likewise.
4793 (parse_def): Likewise.
4794 (parse_end): Likewise.
4795 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
4796 (parse_stabs_common): Fix format specifier.
4797 (parse_input): Change type of variable `i' to Size_t.
4798 (write_object): Fix arguments to match format specifiers.
4799 Cast variable `num_write' to long when comparing against one.
4800 (read_seek): Cast variable `sys_read' to symint_t when comparing
4801 against one. Fix arguments to match format specifiers. Cast
4802 variable `size' to long when comparing against one.
4803 (copy_object): Cast result of `sizeof' to int when comparing
4804 against one. Fix arguments to match format specifiers. Cast
4805 variable `ifd' to long when comparing against a signed value.
4808 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4810 * c-common.c (decl_attributes): Allow applying attribute `unused'
4813 * c-parse.in (label): Parse attributes after a label, and call
4814 `decl_attributes' to handle them.
4816 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
4818 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
4819 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
4821 * invoke.texi: Note that labels can be marked `unused'.
4823 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
4825 * version.c: Bump for snapshot.
4827 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
4829 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
4830 RTL for a compare/jump sequence.
4832 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4834 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
4835 for a target with HAVE_cc0 defined.
4836 (emit_cmp_and_jump_insns): New function.
4837 * expr.h (emit_cmp_and_jump_insns): Prototype it.
4838 * loop.c (check_dbra_loop): Use it to replace calls
4839 to emit_cmp_insn and emit_jump_insn and to canonicalise
4840 the comparison if necessary.
4841 * unroll.c (unroll_loop): Likewise.
4843 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4845 * fixincludes (sys/utsname.h): Provide forward declaration of
4846 struct utsname on Ultrix V4.[35].
4848 * mips.md (div_trap): Use local labels instead of dot-relative
4851 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
4853 * pa.md (branch, negated branch): Handle (const_int 0) as first
4855 * pa.c (output_cbranch): Likewise.
4857 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@gnu.org>
4859 * rs6000.c (rs6000_stack_info): Undo spurious part of last
4862 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
4864 * extend.texi (__builtin_constant_p): Add missing @smallexample.
4866 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
4868 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
4870 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
4872 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
4873 (adddi_dishl32): Similarly.
4875 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
4876 for each insn in the skipped block.
4878 * reload1.c (reload_as_needed): Verify that the insn satisfies its
4879 constraints after replacing a register address with an autoincrement
4880 address for reload inheritance purposes.
4882 * i386.md (doubleword shifts): Avoid namespace pollution.
4884 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
4886 * configure.in (FreeBSD ELF): Needs special crt files.
4888 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
4890 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
4892 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4894 * loop.c (check_dbra_loop): While reversing the loop, if the
4895 comparison value has a VOID mode use the mode of the other operand
4896 to compute the mask.
4898 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
4900 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
4901 avoid warnings in compiling explow.c.
4903 (patch from Ken Raeburn, raeburn@cygnus.com)
4904 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
4905 fpmem_offset. Compute total size after that, and then
4906 rs6000_fpmem_offset using both values.
4908 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4910 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
4911 the future; indeed that already happens in some cases.
4913 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
4915 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
4916 (arith_operand): Remove constant_p_rtx handling.
4917 (const64_operand, const64_high_operand): Likewise.
4918 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
4919 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
4920 (small_int_or_double, uns_small_int, zero_operand): Likewise.
4921 * sparc.h (PREDICATE_CODES): Likewise.
4923 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
4925 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
4927 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
4928 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
4929 consider constant CONSTRUCTOR constant and to defer some cases
4931 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
4932 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
4934 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
4936 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
4937 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
4939 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
4940 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
4941 (sext_add_operand, and_operand, or_operand): Likewise.
4942 (reg_or_cint_operand, some_operand, input_operand): Likewise.
4943 * alpha.h (PREDICATE_CODES): Likewise.
4945 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
4947 * version.c: Bump for snapshot.
4949 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
4951 * gengenrtl.c (gencode): Always use bzero to clear memory instead
4952 of dangerous casts and stores.
4954 * Makefile.in (compare, gnucompare): Add missing else true clauses.
4956 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
4958 * alpha.md (builtin_longjmp): Add missing "DONE".
4960 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
4962 * gcc.c (execute): Enable -pipe with win32.
4964 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
4966 * config/arm/t-arm-elf: Add multiplib option for leading
4969 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
4970 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
4972 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
4973 than variable 'reload_address_base_reg_class'. [Note this
4974 change is unrelated to the others in this patch].
4976 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
4979 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4981 * alias.c (record_alias_subset): Remove ignored `&'.
4982 (init_alias_once): Likewise.
4984 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
4986 * config/mips/mips.c (mips_asm_file_end): Cast the result of
4987 fwrite to `int' when comparing against one.
4989 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
4990 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
4992 * cse.c (rehash_using_reg): Change type of variable `i' to
4995 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
4996 assigning it to one.
4998 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
5000 * final.c (final_scan_insn): Likewise for variable `i'.
5001 (output_asm_insn): Cast a char to unsigned char when used as an
5004 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
5005 assigning it to one.
5007 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
5009 * recog.c (preprocess_constraints): Cast a char to unsigned char
5010 when used as an array index.
5012 * regmove.c (find_matches): Likewise.
5014 * reload1.c (calculate_needs): Add default case in switch.
5015 (eliminate_regs_in_insn): Initialize variable `offset'.
5016 (set_offsets_for_label): Change type of variable `i' to unsigned.
5017 (reload_as_needed): Wrap variable `i' in macro check on
5018 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
5020 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
5021 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
5022 when comparing against one.
5024 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
5025 unsigned when comparing against one. Likewise for
5026 GET_MODE_ALIGNMENT().
5027 (layout_record): Cast record_align to int when comparing against a
5029 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
5032 * tree.c (get_identifier): Cast variable `len' to unsigned when
5033 comparing against one.
5034 (maybe_get_identifier): Likewise
5036 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
5038 * toplev.c (rest_of_compilation): Do not set reload_completed.
5039 * reload1.c (reload): Set reload_completed before calling
5040 cleanup_subreg_operands.
5042 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
5044 * reload1.c (emit_reload_insns): Check `set' not null before use.
5046 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
5048 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
5051 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
5053 * halfpic.c (half_pic_encode): Delete redundant code.
5055 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
5057 * toplev.c (main): Delete handling of -dM as a preprocessor
5060 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
5062 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
5063 -dI, which are handled by the preprocessor.
5065 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
5067 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
5068 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
5070 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
5072 * version.c: Bump for snapshot.
5074 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
5076 * version.c: Bump for snapshot.
5078 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
5080 * version.c: Bump for snapshot.
5082 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5084 * genattr.c (fatal): Qualify a char* with the `const' keyword.
5086 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
5087 write_unit_name, write_eligible_delay, expand_units,
5088 make_length_attrs, write_attr_case, find_attr,
5089 make_internal_attr): Likewise.
5090 * gencheck.c (tree_codes): Likewise.
5091 * gencodes.c (fatal): Likewise.
5092 * genconfig.c (fatal): Likewise.
5093 * genemit.c (fatal): Likewise.
5094 * genextract.c (fatal, walk_rtx, copystr): Likewise.
5095 * genflags.c (fatal): Likewise.
5096 * genopinit.c (fatal, optabs, gen_insn): Likewise.
5097 * genoutput.c (fatal, error, predicates): Likewise.
5098 * genpeep.c (fatal): Likewise.
5099 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
5100 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
5102 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5104 * configure.in (with-fast-fixincludes): Fix whitespace.
5105 * configure: Rebuilt.
5107 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
5108 asm() etc. function declarations in __DECC.
5110 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
5112 * expr.c (emit_move_insn_1): Only emit a clobber if the target
5113 is a pseudo register.
5115 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
5117 * gcse.c: Include expr.h in order to get the prototype for
5118 get_condition() which is used in delete_null_pointer_checks().
5120 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5122 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
5124 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
5126 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
5127 (ALL_CFLAGS): Delete SCHED_CFLAGS.
5129 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
5131 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
5134 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
5136 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
5137 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
5138 optimizations from the combiner.
5140 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5142 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
5144 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
5146 * toplev.c (main): Disable optimize_size if a specific
5147 optimization level is requested. Always set optimization
5148 level to 2 if -Os is specified.
5150 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
5152 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
5154 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
5155 initialize it using fname.
5157 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
5159 * cpplib.c (do_include): Treat #include_next in the
5160 primary source file as #include plus warning. Treat
5161 #include_next in a file included by absolute path as an
5162 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
5164 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5166 * cccp.c: Don't define MIN/MAX anymore.
5167 * cpplib.c: Likewise.
5168 * machmode.h: Likewise.
5169 * system.h: Provide definitions for MIN/MAX.
5171 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5173 * fix-header.c: Don't define xstrdup here.
5175 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5177 * loop.c (consec_sets_giv): New argument last_consec_insn.
5178 (strength_reduce): Provide / use it.
5180 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5182 * loop.h (loop_info): New field 'vtop'.
5183 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
5184 scanning loop for vtop.
5185 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
5186 (loop_iterations): Use them to determine if loop has a constant
5187 number of iterations. Set loop_info->vtop. Don't subtract
5188 common reg term from initial_value and final_value if have a
5191 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
5193 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
5195 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
5197 * mn10200.md (abssf2, negsf2): New expanders.
5199 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
5201 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
5203 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
5204 replaced by a CONCAT whoes components do not have the same
5205 mode as the original SUBREG, use a new SUBREG to restore the
5208 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
5209 multiword complex values.
5211 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
5213 * cppalloc.c: Add xstrdup here.
5214 * cpplib.h: Remove savestring prototype.
5215 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
5217 * cppfiles.c: s/savestring/xstrdup/ throughout.
5219 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
5221 * cpplib.c: Make all directive handlers read their own
5223 (struct directive): Remove last two arguments from FUNC
5224 member prototype. Remove `command_reads_line' member
5226 (directive_table): Remove initializations of
5227 command_reads_line flag. Pretty-print.
5228 (eval_if_expression, do_define, do_line, do_include,
5229 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
5230 do_else, do_elif, do_sccs, do_assert, do_unassert,
5231 do_warning): Take only two args.
5233 (cpp_define): Call do_define with two args and the text to
5234 define stuffed into a buffer.
5235 (make_assertion): Call do_assert with two args.
5236 (handle_directive): Call do_line with two args. Call
5237 kt->func with two args. Remove command_reads_line
5239 (do_define, do_undef, do_error, do_warning, do_pragma,
5240 do_sccs): Read the rest of the line here.
5241 (do_ident): Gobble rest of line, as cccp does.
5242 (cpp_undef): New function.
5243 (cpp_start_read): Call cpp_undef instead of do_undef.
5245 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
5247 * cpphash.h (union hash_value): Remove `keydef' member, add a
5248 `struct hashnode *aschain' member for #assert.
5250 * cpplib.c (struct tokenlist_list, struct
5251 assertion_hashnode): Delete structure definitions.
5252 (assertion_install, assertion_lookup, delete_assertion,
5253 check_assertion, compare_token_lists, reverse_token_list,
5254 read_token_list, free_token_list): Delete functions.
5255 (parse_assertion): New function.
5256 (cpp_cleanup): Don't destroy the assertion_hashtable.
5258 (do_assert): Gut and rewrite. #assert foo (bar) places
5259 entries for `#foo' and `#foo(bar)' in the macro hash table,
5260 type T_ASSERT. The value union's `aschain' member is used
5261 to chain all answers for a given predicate together.
5262 (do_unassert): Also rewritten. Take an un-asserted
5263 answer off the chain from its predicate and call
5264 delete_macro on the hashnode, or walk a predicate chain
5265 calling delete_macro on all the entries.
5266 (cpp_read_check_assertion): Simply call parse_assertion to
5267 get the canonical assertion name, and look that up in the
5270 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
5273 * cpphash.c (install): Use bcopy instead of an explicit loop
5274 to copy the macro name.
5276 * cppexp.c (cpp_lex): Convert the result of
5277 cpp_read_check_assertion to a `struct operation' directly;
5278 don't go through parse_number.
5280 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5282 * loop.h (struct induction): Delete times_used member.
5283 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
5284 (n_times_used): Rename to n_times_set. Changed all users.
5285 (scan_loop): Free reg_single_usage before strength reduction.
5286 (record_giv, combine_givs): Remove handling of times_used member.
5287 (combine_givs_used_once): Rename to:
5288 (combine_givs_used_by_other) . Changed all callers.
5290 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
5292 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
5293 instead of TREE_CODE_CLASS == 't'.
5294 (gen_type_die): Likewise.
5295 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
5297 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
5299 * real.c (endian): Disable last change unless
5300 HOST_BITS_PER_WIDE_INT is greater than 32.
5302 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
5304 * output.h (force_data_section): New prototype.
5305 * varasm.c (force_data_section): New function to force the
5306 data section, regardless of what in_section thinks.
5307 * dwarf2out.c (output_call_frame_info): Call force_data_section
5308 since varasm may not realize we've changes sections.
5310 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
5312 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
5313 after completeing reload.
5315 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
5316 deleted after reload.
5318 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
5320 * rtl.h (multiple_sets): Fix prototype.
5321 * rtlanal.c (multiple_sets): Fix return type.
5323 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
5325 * version.c: Bump for snapshot.
5327 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
5329 * version.c: Bump for snapshot.
5331 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
5333 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
5335 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5337 * rtl.h (recompute_reg_usage): Add second argument.
5338 * flow.c (recompute_reg_usage): Likewise.
5339 * toplev.c (rest_of_compilation): Supply second argument to
5340 recompute_reg_usage.
5342 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
5345 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
5347 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
5348 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
5349 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
5352 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
5354 * rtlanal.c (multiple_sets): New function.
5355 * rtl.h (multiple_sets): Declare it.
5356 * local-alloc.c (wipe_dead_reg): Use it.
5357 * global.c (global_conflicts): Likewise.
5359 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
5361 * global.c (record_conflicts): Don't use an array of shorts to
5362 store an array of ints.
5363 (global_conflicts): Likewise.
5365 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
5367 * alpha.c (alpha_expand_block_move): mode_for_size expects
5368 bits, not bytes. Infer extra alignment from addressof.
5370 1998-12-11 Michael Meissner <meissner@cygnus.com>
5372 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
5373 .sbss section, not .sdata.
5375 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
5377 * cccp.c: Do not #include <sys/stat.h> here; this is already done
5379 * collect2.c: Likewise.
5380 * cpplib.h: Likewise.
5383 * getpwd.c: Likewise.
5384 * protoize.c: Likewise.
5385 * toplev.c: Likewise.
5387 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
5388 and don't try to define it here.
5389 * Makefile.in (cppmain.o): Depend on machmode.h.
5390 (cpplib.o): Likewise.
5391 (cpperror.o): Likewise.
5392 (cppexp.o): Likewise.
5393 (cppfiles.o): Likewise.
5394 (cpphash.o): Likewise.
5395 (cppalloc.o): Likewise.
5396 (fix-header.o): Likewise.
5397 (scan-decls.o): Likewise.
5399 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
5401 * sh.c (print_operand): lookup interrupt_handler attribute instead
5402 of relying on static variable.
5403 * (calc_live_regs): Likewise.
5404 * (sh_pragma_insert_attributes): Create interrupt_handler
5405 attribute if a pragma was specified
5406 * (sh_valid_machine_decl_attribute): Don't set static flag.
5407 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
5409 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5411 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
5412 to determine if a register is live at a jump destination.
5413 Everything is dead at a BARRIER.
5415 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
5417 * cse.c (simplify_unary_operation): Sign-extend constants when
5418 they have the most significant bit set for the target.
5419 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
5421 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
5422 HOST_WIDE_INT temporary before negating it.
5423 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
5425 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
5427 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
5430 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5432 * collect2.h: New header file for prototypes.
5434 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
5436 * collect2.c: Include collect2.h.
5437 * tlink.c: Likewise.
5439 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
5441 * flow.c: Update some comments.
5443 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
5445 * objc/objc-act.c (cpp_initialized): Removed.
5446 (lang_init_options): Initialize cpplib.
5447 (lang_decode_option): Move initialization of cpplib to
5449 * c-lang.c: (parse_options,parse_in): Added.
5450 (lang_init_options): Initialized cpplib here.
5451 * c-decl.c (parse_options,cpp_initialized): Removed.
5452 (c_decode_option): Move initialization of cpplib to
5455 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5457 * reload1.c (reload_combine, reload_combine_note_store):
5458 Make STORE_RUID always valid.
5459 (reload_combine): Check if BASE is clobbered too early.
5461 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
5463 * reload.c (find_reloads): Display the insn that cannot be
5466 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
5468 * cccp.c (create_definition): Fix end of bufer logic.
5470 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5472 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
5473 pointer parameters changed to use the PARAMS() macro.
5475 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
5477 * except.h (struct handler_info): Add handler_number field.
5478 * except.c (gen_exception_label): EH labels no longer need to be
5479 on the permanent obstack.
5480 (get_new_handler): Set the label number field.
5481 (output_exception_table_entry): Regenerate handler label reference
5482 from the label number field.
5483 (init_eh): Remove a blank line.
5484 * integrate.c (get_label_from_map): Labels no longer need to be
5485 on the permanent obstack.
5487 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
5489 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
5490 only when OUTER_CODE is SET.
5492 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5494 * loop.c (strength_reduce): If scan_start points to the loop exit
5495 test, be wary of subversive use of gotos inside expression statements.
5496 Don't set maybe_multiple for a backward jump that does not
5497 include the label under consideration into its range.
5498 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
5500 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5502 * explow.c (plus_constant_wide): Don't immediately return with
5503 result of recursive call.
5505 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
5507 * eh-common.h (struct eh_context): Add table_index for rethrows.
5509 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
5510 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
5511 processed when inlined or unrolled (ie duplicated in some way).
5513 * rtl.c (reg_note_name): Add strings for new reg_note enums.
5515 * expr.h (rethrow_libfunc): New library decl.
5517 * optabs.c (rethrow_libfunc): Initialize.
5519 * except.h (struct eh_entry): Add new field 'rethrow_label'.
5520 (new_eh_region_entry): No longer exported from except.c.
5521 (duplicate_handlers): Renamed to duplicate_eh_handlers and
5522 different prototype.
5523 (rethrow_symbol_map, rethrow_used): New exported functions.
5524 (eh_region_from_symbol): New exported function.
5526 * except.c (create_rethrow_ref): New function to create a single
5527 SYMBOL_REF for a rethrow region.
5528 (push_eh_entry): Initialize a rethrow ref.
5529 (func_eh_entry): Add a rethrow_label field.
5530 (new_eh_region_entry): Make static, and initialize the rethrow entry.
5531 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
5532 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
5533 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
5534 a region into an appropriate new symbol.
5535 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
5536 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
5537 (end_catch_handler): Emit a barrier for new-exceptions since
5538 control can never drop through the end of a catch block.
5539 (expand_end_all_catch): new-exceptions never fall through a catch
5541 (expand_rethrow): use __rethrow routine for new exceptions.
5542 (output_exception_table_entry): Generate rethrow labels, if needed.
5543 (output_exception_table): Generate start and end rethrow labels.
5544 (init_eh): Create rethrow symbols for beginning and end of table.
5545 (scan_region): Don't eliminate EH regions which are the targets of
5548 * flow.c (make_edges): Add different edges for rethrow calls,
5549 identified by having the REG_EH_RETHROW reg label.
5550 (delete_unreachable_blocks): Don't delete regions markers which are
5551 the target of a rethrow.
5553 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
5554 allow save_for_inline_copying to call duplicate_eh_handlers.
5555 (save_for_inline_copying): Call duplicate_eh_handlers instead of
5556 exposing internal details of exception regions.
5557 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
5558 (expand_inline_function_eh_labelmap): New callback routine to
5559 allow expand_inline_function to call duplicate_eh_handlers.
5560 (expand_inline_function): Call duplicate_eh_handlers instead of
5561 exposing internal details of exception regions.
5562 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
5565 * libgcc2.c (find_exception_handler): Generalize to enable it to
5566 pick up processing where it left off last time for a rethrow.
5567 (__unwinding_cleanup): New function. debug hook which is called before
5568 unwinding when __throw finds there is nothing but cleanups left.
5569 (throw_helper): Common parts of __throw extracted out for reuse.
5570 (__throw): Common parts moved to throw_helper.
5571 (__rethrow): New function for performing rethrows.
5573 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
5575 * reload1.c (current_function_decl): Tweak declaration.
5577 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
5579 * c-decl.c (flag_isoc9x): Default off.
5580 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
5581 * cccp.c (print_help, main): Likewise.
5582 * gcc.c (default_compilers): Update for -std=gnu*.
5584 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
5586 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
5587 * demangle.h: Deleted.
5589 * reload1.c (current_function_decl): Declare.
5591 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5593 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
5595 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5597 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
5599 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
5601 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
5603 * configure: Rebuilt.
5604 * system.h: If the *_unlocked functions are available use them
5605 instead of the locked counterparts by defining macros.
5606 * config.in: Regenerated.
5608 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
5610 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
5611 wrong and should only be used for dump related things, not
5612 debugging information, instead main_input_filename should be used.
5613 Also, reuse output_file_directive if possible.
5614 * i386/aix386ng.h (ASM_FILE_START): Likewise.
5615 * i386/isc.h (ASM_FILE_START): Likewise.
5616 * i386/win-nt.h (ASM_FILE_START): Likewise.
5617 * i386/sun386.h (ASM_FILE_START): Likewise.
5619 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
5621 * configure.in (mips*-*-linux*): Handle big and little endian
5623 * configure: Rebuilt.
5625 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
5627 * emit-rtl.c: Fix typo.
5629 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
5631 * reload1.c (eliminate_regs): Don't do anything, if we're not
5634 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
5636 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
5638 * mips/mips.c (mips_select_section): Add comment.
5640 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
5642 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
5643 characters in file names in #line to be consistent with #include
5644 handling. We support escape prcessing in the # 1 "..." version of
5645 the command. See also support in cp/lex.c.
5646 (handle_directive): Likewise.
5647 (do_line): Likewise.
5649 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
5651 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
5652 so it'll work on non-ASCII platforms. Always consider $ an
5653 identifier character. Take no arguments.
5654 (cpp_reader_init): Call initialize_char_syntax with no
5656 (cpp_start_read): Don't call initialize_char_syntax again.
5657 Clear is_idchar['$'] and is_idstart['$'] if not
5658 opts->dollars_in_ident.
5660 * cpplib.h (struct cpp_reader): Replace void *data element by
5661 cpp_options *opts. Rearrange elements to make gdb printout
5662 less annoying (put buffer stack at end).
5663 (CPP_OPTIONS): Get rid of now-unnecessary cast.
5665 * cppmain.c: s/data/opts/ when initializing cpp_reader
5667 * c-decl.c: Likewise.
5668 * objc/objc-act.c: Likewise.
5669 * fix-header.c: Likewise.
5671 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
5673 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
5674 with a struct file_name_list pointer.
5675 (struct cpp_reader): Add pointer to chain of `actual
5676 directory' include searchpath entries.
5677 (struct file_name_list): Add *alloc pointer for the sake of
5678 the actual-directory chain.
5680 Move definition of HOST_WIDE_INT here.
5681 (cpp_parse_escape): Change prototype to match changes in
5684 * cppfiles.c (actual_directory): New function.
5685 (finclude): Use it to initialize the buffer's actual_dir
5687 (find_include_file): We don't need to fix up max_include_len
5690 * cpplib.c (do_include): Don't allocate a file_name_list on
5691 the fly for current directory "" includes, use the one that's
5692 been preallocated in pfile->buffer->actual_dir. Hoist out
5693 duplicate code from the search_start selection logic.
5694 (cpp_reader_init): Initialize pfile->actual_dirs.
5696 Remove definition of HOST_WIDE_INT. Change calls
5697 to cpp_parse_escape to match changes in cppexp.c (note
5698 hardcoded MASK, which is safe since this is the source
5701 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
5702 to handle wide character constants in #if directives. The
5703 function now returns a HOST_WIDE_INT, and takes a third
5704 argument which is a binary mask for all legal values (0x00ff
5705 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
5706 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
5707 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
5709 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
5711 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
5713 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5715 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
5716 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
5717 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
5719 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
5721 * final.c (output_asm_name): Use tabs to seperate comments from
5724 Include instruction lengths (if defined) in output.
5726 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5728 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
5729 in the loop_info structure.
5731 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
5733 * configure.in: (arm*-*-ecos-elf): New target.
5734 * configure: Regenerated.
5735 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
5736 * config/arm/ecos-elf.h: New file.
5737 * config/arm/unknown-elf.h (TARGET_VERSION): Check
5740 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5742 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
5744 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
5746 * version.c: Bump for snapshot.
5748 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5750 * loop.c (check_dbra_loop): New argument loop_info. Update fields
5753 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
5755 * version.c: Bump for snapshot.
5757 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5759 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
5760 compressed reports are ok and preferred over URLs
5762 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5764 * invoke.texi (Warning Options): Soften the tone of -pedantic
5766 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
5768 * print-rtl.c (print_rtx): Add prototype.
5770 * unroll.c (iteration_info): Make it static.
5772 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
5774 * alias.c (memrefs_conflict_p): A second ANDed address
5775 disables the aligned address optimization.
5777 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
5779 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
5782 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
5784 * i960.h (BOOL_TYPE_SIZE): Define.
5786 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5788 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
5789 from old valid_parallel_operands_4.
5790 (valid_parallel_operands_4): Check that operands for 4 operand
5791 parallel insns are valid, excluding load/store insns.
5792 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
5793 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
5794 valid_parallel_load_store instead of valid_parallel_operands_4.
5795 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
5796 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
5797 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
5798 *notqi_movqi_clobber): Use valid_parallel_operands_4.
5799 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
5800 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
5801 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
5803 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5805 * config/c4x/c4x.c (iteration_info): Delete extern.
5807 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5809 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
5811 * final.c (cleanup_subreg_operands): Delete some unused code.
5813 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
5814 (struct insn_alternative): New structure definition.
5815 (recog_op_alt): Declare variable.
5816 (preprocess_constraints): Declare function.
5817 * recog.c (recog_op_alt): New variable.
5818 (extract_insn): Verify number of alternatives is in range.
5819 (preprocess_constraints): New function.
5820 * reg-stack.c: Include recog.h.
5821 (constrain_asm_operands): Delete.
5822 (get_asm_operand_lengths): Delete.
5823 (get_asm_operand_n_inputs): New function.
5824 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
5825 N_OUTPUTS args. All callers changed.
5826 Compute number of inputs and outputs here by calling
5827 get_asm_operand_n_inputs.
5828 Instead of constrain_asm_operands, call extract_insn,
5829 constrain_operands and preprocess_constaints. Use information
5830 computed by these functions throughout.
5831 (record_reg_life): Delete code that is unused due to changes in
5832 record_asm_reg_life.
5833 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
5834 N_INPUTS and N_OUTPUTS args. All callers changed.
5835 Similar changes as in record_asm_reg_life.
5836 (subst_stack_regs): Move n_operands declaration into the if statement
5838 Delete code that is unused due to changes in subst_asm_stack_regs.
5839 * stmt.c (expand_asm_operands): Verify number of alternatives is in
5841 * Makefile.in (reg-stack.o): Depend on recog.h.
5843 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
5845 * except.c (set_exception_version_code): Argument is an "int".
5847 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
5849 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
5850 * configure: Rebuilt.
5852 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
5854 * configure.in (mipsel-*-linux*): New target.
5855 * mips/linux.h: New file, based on other Linux targets.
5857 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
5859 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
5860 runs in the context of the deleter, not the deletee, so we must
5861 use taskVarGet to find the correct memory to free.
5862 (__gthread_key_create): Initialize the task
5863 variable subsystem so that the task variable is still active when
5864 the delete hook is run.
5866 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
5868 * pdp11.h: Use optimize_size for space optimizations.
5869 * pdp11.c: Likewise.
5870 * pdp11.md: Likewise.
5872 * pdp11.h (TARGET_40_PLUS): Fix typo.
5874 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
5876 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
5879 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5881 * alias.c (addr_side_effect_eval): New function.
5882 (memrefs_conflict_p): Use it.
5883 * rtl.h (addr_side_effect_eval): Prototype it.
5885 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
5887 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
5889 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
5891 * reload.c (find_reloads): When force const to memory, put result
5892 in substed_operand not *recog_operand_loc.
5894 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
5896 * c-lex.c: Fix indentation from last patch.
5897 Remove trailing whitespace.
5900 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
5902 * flow.c (delete_block): Call set_last_insn after we have reset
5903 NEXT_INSN (kept_tail).
5905 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
5907 * mips.md (trap_if): Use "$0" for the value zero.
5909 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
5910 Stephen L Moshier <moshier@world.std.com>
5911 Richard Henderson <rth@cygnus.com>
5913 * c-common.c (declare_function_name): Declare predefinied variable
5916 * c-decl.c (flag_isoc9x): Set to 1 by default.
5917 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
5918 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
5920 * c-parse.in: Allow constructors in ISO C 9x.
5921 Rewrite designator list handling.
5922 Allow [*] parameters.
5923 Don't warn about comma at end of enum definition for ISO C 9x.
5925 * cccp.c (c9x): New variable.
5926 (rest_extension): New variable.
5927 (print_help): Document new -std= option.
5928 (main): Recognize -std= option. Set c9x appropriately.
5929 (create_definition): Recognize ISO C 9x vararg macros.
5931 * gcc.c (default_compilers): Adjust specs for -std options.
5932 (option_map): Add --std.
5933 (display_help): Document -std.
5935 * toplev.c (documented_lang_options): Add -std and remove
5938 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
5939 or REAL_VALUE_HTOF based on base of the constants.
5940 * fold-const.c (real_hex_to_f): New function. Replacement function
5941 for hex FP conversion if REAL_ARITHMETIC is not defined.
5942 * real.c (asctoeg): Add handling of hex FP constants.
5943 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
5946 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
5948 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
5949 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
5950 expansion. Use hi/lo as destination register.
5952 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
5953 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
5954 Avoid as macro expansion. Use hi/lo as destination register.
5956 * mips.h (MASK_CHECK_RANGE_DIV): New.
5957 (MASK_NO_CHECK_ZERO_DIV): New.
5958 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
5959 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
5960 return address for leaf functions out of r31 to support
5961 builtin_return_address.
5963 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5965 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
5966 NEXT_INSN(x) to check insn x.
5968 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
5970 * flow.c (delete_block): Call set_last_insn if we end up deleting the
5971 last insn in the rtl chain.
5973 * reload1.c (reload): Do not set reload_completed or split insns
5975 * toplev.c (rest_of_compilation): Set reload_completed after
5976 reload returns. Split insns after reload_cse has run.
5978 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
5980 * final.c (final_scan_insn): Abort if block_depth falls below 0.
5982 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
5984 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
5986 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
5988 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
5989 use of user-label_prefix.
5991 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5993 * reload1.c (emit_reload_insns): Clear spill_reg_store
5994 when doing a new non-inherited reload from the same pseudo.
5996 * local-alloc.c (function_invariant_p): New function.
5997 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
5998 to decide if an equivalence should be recorded.
5999 * reload1.c (num_eliminable_invariants): New static variable.
6000 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
6001 to decide if an equivalence should be recorded.
6003 (calculate_needs_all_insns): Skip insns that only set an equivalence.
6004 Take num_eliminable_invariants into account when deciding
6005 if register elimination should be done.
6006 (reload_as_needed): Take num_eliminable_invariants into account
6007 when deciding if register elimination should be done.
6008 (eliminate_regs): Handle non-constant reg_equiv_constant.
6009 * rtl.h (function_invariant_p): Declare.
6011 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
6013 * version.c: Bump for snapshot.
6015 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
6017 * version.c: Bump for snapshot.
6019 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
6021 * except.c (add_new_handler): Complain about additional handlers
6022 after one that catches everything.
6024 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
6026 * configure.in (alpha*-*-netbsd): Fix typo.
6027 * configure: Rebuilt.
6029 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6031 * system.h: Include libiberty.h.
6033 * c-aux-info.c: Remove prototypes for concat/concat3. Change
6034 function `concat' from fixed parameters to variable parameters,
6035 as is done in libiberty. All callers of concat/concat3
6036 changed to use the new `concat' with variable args.
6038 * cccp.c: Remove things made redundant by libiberty.h and/or
6039 conform to libiberty standards.
6041 * collect2.c: Likewise.
6042 * config/1750a/1750a.h: Likewise.
6043 * cppalloc.c: Likewise.
6044 * cppexp.c: Likewise.
6045 * cppfiles.c: Likewise.
6046 * cpphash.c: Likewise.
6047 * cpplib.c: Likewise.
6048 * dyn-string.c: Likewise.
6049 * fix-header.c: Likewise.
6052 * genattr.c: Likewise.
6053 * genattrtab.c: Likewise.
6054 * gencheck.c: Likewise.
6055 * gencodes.c: Likewise.
6056 * genconfig.c: Likewise.
6057 * genemit.c: Likewise.
6058 * genextract.c: Likewise.
6059 * genflags.c: Likewise.
6060 * gengenrtl.c: Likewise.
6061 * genopinit.c: Likewise.
6062 * genoutput.c: Likewise.
6063 * genpeep.c: Likewise.
6064 * genrecog.c: Likewise.
6065 * getpwd.c: Likewise.
6066 * halfpic.c: Likewise.
6068 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
6069 in NEED_DECLARATION_* macros.
6071 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
6072 conform to libiberty standards.
6073 (fatal): Fix const-ification of variable `format' in
6074 !ANSI_PROTOTYPES case.
6076 * prefix.c: Remove things made redundant by libiberty.h and/or
6077 conform to libiberty standards.
6079 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
6080 conflicting with function `spaces' from libiberty.
6082 * profile.c: Remove things made redundant by libiberty.h and/or
6083 conform to libiberty standards.
6084 * protoize.c: Likewise.
6087 * tlink.c: Likewise.
6088 * toplev.c: Likewise.
6089 * toplev.h: Likewise.
6092 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6094 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
6096 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6098 * README.C4X: Updated URLs.
6099 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
6100 (valid_parallel_operands_5): Remove unused variable.
6102 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6104 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
6106 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
6108 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
6109 which can be configured.
6110 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
6111 (Makefile): Pass actual LANGUAGES through the environment when
6113 (cstamp-h): Likewise.
6114 (config.status): Likewise.
6116 * configure.in (enable_languages): Add new configuration parameter
6117 "--enable-languages=lang1,lang2,...".
6118 (${srcdir}/*/config-lang.in): Change handling to configure only
6119 those directories, that the user might have enabled; default to
6120 "all" existing languages.
6121 * configure: Regenerate.
6123 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
6125 * rtlanal.c (regs_set_between_p): New function.
6126 * rtl.h (regs_set_between_p): Prototype it.
6127 * jump.c (jump_optimize): Use it instead of modified_between_p
6128 in the Sep 2 change.
6130 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
6131 Matthias Pfaller <leo@dachau.marco.de>
6133 * invoke.texi (Option Summary, NS32K Options): add description
6134 of NS32K specific options.
6136 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
6137 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
6138 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
6139 negdf2, absdf2): Use l instead of f since the double class and
6140 float class are no longer the same.
6141 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
6142 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
6143 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
6144 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
6146 (cmpsi, cmphi, cmpqi): use general_operand instead of
6147 non_immediate_operand. Removes erroneous assumption that can't
6149 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
6150 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
6152 (movstrsi, movstrsi1, movstrsi2): completely new block move
6154 (...): Patterns to exploit multiply-add instructions.
6155 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
6156 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
6157 patterns to exploit extended divide insns.
6158 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
6161 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
6162 float return values as well as simple scalar floats.
6163 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
6164 support new flag to denote 32381 fpu.
6165 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
6166 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
6168 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
6169 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
6170 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
6171 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
6172 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
6173 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
6174 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
6175 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
6176 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
6177 fpu registers and special register classes for new 32381
6178 instructions dotf and polyf.
6179 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
6181 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
6182 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
6184 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
6185 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
6186 (REGISTER_MOVE_COST): move code to register_move_cost function for
6187 ease of coding and debugging.
6188 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
6189 LONG_FLOAT_REGO is likely spilled but not caught by default
6191 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
6192 instead of hard coded numbers in range check.
6193 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
6194 (...): Add prototypes for functions in ns32k.c but disable because
6195 of problems when ns32k.h is included in machine independant files.
6197 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
6198 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
6199 hard_regno_mode_ok, secondary_reload_class,
6200 print_operand, print_operand_address): new register scheme to
6201 include 32381 fpu registers and special register classes for new
6202 32381 instructions dotf and polyf.
6203 (gen_indexed_expr): Make static to keep namespace clean.
6204 (check_reg): remove since never called.
6205 (move_tail, expand_block_move): helper functions for "movstrsi"
6207 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
6208 Increase cost of moves which go via memory.
6209 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
6210 (CPP_PREDEFINES): nolonger predefine "unix".
6212 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
6213 Remove erroneous %$. print_operand() can work out from the rtx is
6214 an immediate prefix is required.
6216 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
6217 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
6218 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
6220 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
6223 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
6224 Correct handling of pic operands.
6225 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
6226 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
6227 -mrtd calling convention.
6229 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
6231 * gcc.c (option_map): Recognize --output-class-directory.
6233 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6235 * loop.h (precondition_loop_p): Added new mode argument.
6236 * unroll.c (precondition_loop_p): Likewise.
6237 (approx_final_value): Function deleted and subsumed
6238 into loop_iterations.
6239 (loop_find_equiv_value): New function.
6240 (loop_iterations): Use loop_find_equiv_value to find increments
6241 too large to be immediate constants. Also use it to find terms
6242 common to initial and final iteration values that can be removed.
6244 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6246 * loop.h (struct loop_info): Define new structure.
6247 (precondition_loop_p): Added prototype.
6248 (unroll_loop): Added new argument loop_info to prototype.
6249 (final_biv_value, final_giv_value): Added new argument n_iterations
6251 * loop.c (strength_reduce): Declare new structure loop_iteration_info
6252 and new pointer loop_info.
6253 (loop_n_iterations): Replace global variable by element in
6254 loop_info structure.
6255 (check_final_value): New argument n_iterations.
6256 (insert_bct): New argument loop_info.
6257 (loop_unroll_factor): Replace global array by element in
6258 loop_info structure.
6259 (loop_optimize): Remove code to allocate and initialise
6260 loop_unroll_factor_array.
6261 * unroll.c (precondition_loop_p): No longer static since
6262 used by branch on count optimization.
6263 (precondition_loop_p, unroll_loop): New argument loop_info.
6264 (final_biv_value, final_giv_value, find_splittable_regs): New
6265 argument n_iterations.
6266 (loop_iteration_var, loop_initial_value, loop_increment,
6267 loop_final_value, loop_comparison_code, loop_unroll_factor):
6268 Replaced global variables by loop_info structure.
6269 (loop_unroll_factor): Replace global array by element in
6270 loop_info structure.
6272 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6274 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
6277 * unroll.c (precondition_loop_p): Return loop_initial_value
6278 for initial_value instead of loop_iteration_var.
6280 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6282 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
6283 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
6284 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
6285 to output the instruction sequences.
6287 (rptb_top): Provide alternatives to use any register or memory
6289 (rptb_end): Emit use of operands rather than assigning them
6290 explicitly to the RS and RE registers.
6292 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6294 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
6295 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
6296 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
6297 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
6298 c4x_merge_notes, c4x_parallel_process,
6299 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
6300 c4x_combine_parallel): Delete.
6302 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6304 * config/c4x/c4x.c: (c4x_override_options): For compatibility
6305 with old target options clear flag_branch_on_count_reg if
6306 -mno-rptb specified and set flag_argument_alias is -mno-aliases
6308 (c4x_output_cbranch): Handle a sequence of insns rather than a
6310 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
6311 has not been allocated as the loop counter.
6312 (c4x_address_conflict): Do not allow two volatile memory references.
6313 (valid_parallel_operands_4, valid_parallel_operands_5,
6314 valid_parallel_operands_6): Reject pattern if the register destination
6315 of the first set is used as part of an address in the second set.
6317 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6319 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
6320 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
6321 is no longer enabled if PARALLEL_MPY_FLAG set.
6322 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
6323 (REG_CLASS_CONTENTS): Add braces around initializers.
6324 (HAVE_MULTIPLE_PACK): Define.
6325 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
6326 REAL_VALUE_TO_DECIMAL.
6327 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
6328 REAL_VALUE_TO_DECIMAL.
6329 (ar0_reg_operand): Add prototype.
6330 (ar0_mem_operand): Likewise.
6331 (ar1_reg_operand): Likewise.
6332 (ar1_mem_operand): Likewise.
6333 (ar2_reg_operand): Likewise.
6334 (ar2_mem_operand): Likewise.
6335 (ar3_reg_operand): Likewise.
6336 (ar3_mem_operand): Likewise.
6337 (ar4_reg_operand): Likewise.
6338 (ar4_mem_operand): Likewise.
6339 (ar5_reg_operand): Likewise.
6340 (ar5_mem_operand): Likewise.
6341 (ar6_reg_operand): Likewise.
6342 (ar6_mem_operand): Likewise.
6343 (ar7_reg_operand): Likewise.
6344 (ar7_mem_operand): Likewise.
6345 (ir0_reg_operand): Likewise.
6346 (ir0_mem_operand): Likewise.
6347 (ir1_reg_operand): Likewise.
6348 (ir1_mem_operand): Likewise.
6349 (group1_reg_operand): Likewise.
6350 (group1_mem_operand): Likewise.
6351 (ir1_reg_operand): Likewise.
6352 (arx_reg_operand): Likewise.
6353 (not_rc_reg): Likewise.
6354 (not_modify_reg): Likewise.
6355 (c4x_group1_reg_operand): Remove prototype.
6356 (c4x_group1_mem_operand): Likewise.
6357 (c4x_arx_reg_operand): Likewise.
6359 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
6361 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
6362 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
6364 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6366 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
6369 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6371 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
6372 unless FMOVD_WORKS is defined.
6374 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6376 * regclass.c (init_reg_sets): Move code that calculates tables
6377 dependent on reg_class_contents from here...
6378 (init_reg_sets_1): To here.
6380 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
6382 * cpplib.h: Delete struct import_file. Add ihash element to
6383 struct cpp_buffer. Delete dont_repeat_files and
6384 import_hash_table elements from cpp_reader; change
6385 all_include_files to a hash table. Delete all foobar_include
6386 / last_foobar_include elements from struct cpp_options; put
6387 back four such: quote_include, bracket_include,
6388 system_include, after_include. Redo struct file_name_list
6389 completely. Add new structure type include_hash. Add
6390 prototypes for merge_include_chains and include_hash. Change
6391 prototypes for finclude, find_include_file, and
6392 append_include_chain to match changes below.
6394 * cppfiles.c (simplify_pathname, include_hash,
6395 remap_filename, merge_include_chains): New functions.
6396 (add_import, lookup_import, open_include_file): Removed.
6397 (INO_T_EQ): Define this (copied from cccp.c).
6398 (hack_vms_include_specification): Remove all calls and #if 0
6399 out the definition. It was being called incorrectly and at
6400 the wrong times. Until a VMSie can look at this, it's better
6401 to not pretend to support it.
6402 (append_include_chain): Change calling convention; now takes
6403 only one directory at a time, and sets up the data structure
6405 (redundant_include_p): Rewritten - this is now used for all
6406 include redundancy, whether by #ifndef, #import, or #pragma
6407 once. Looks up things in the include hash table.
6408 (file_cleanup): Decrement pfile->system_include_depth here if
6410 (find_include_file): Calling convention changed; now passes
6411 around a struct include_hash instead of 3 separate parameters.
6412 Guts ripped out and replaced with new include_hash mechanism.
6413 (finclude): Calling convention changed as for
6414 find_include_file. Error exits pulled out-of-line. Reformat.
6415 (safe_read): Return a long, not an int.
6416 (deps_output): Don't recurse.
6418 * cpplib.c (is_system_include): Deleted.
6419 (path_include): Fix up call to append_include_chain.
6420 (do_include): Fix up calls to find_include_file and finclude.
6421 Clean up dependency output a bit. Shorten obnoxiously lengthy
6422 #import warning message. Don't decrement
6423 pfile->system_include_depth here.
6424 (do_pragma): Understand the include_hash structure. Reformat.
6425 (do_endif): Correct handling of control macros. Understand
6427 (cpp_start_read): Fix up calls to finclude. Call
6428 merge_include_chains.
6429 (cpp_handle_option): Fix up calls to append_include_chain.
6430 Understand the four partial include chains.
6431 (cpp_finish): Add debugging code (#if 0-ed out) for the
6433 (cpp_cleanup): Free the include_hash, not the import hash and
6434 the all_include and dont_repeat lists which no longer exist.
6436 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
6438 * toplev.c (no_new_pseudos): Define.
6439 (rest_of_compilation): Set no_new_pseudos as needed.
6440 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
6441 if no_new_pseudos is set.
6442 * rtl.h (no_new_pseudos): Declare it.
6443 * reload1.c (reload): Update comments.
6444 * md.texi: Corresponding changes.
6446 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6448 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
6449 (choose_reload_regs): Rename it here as well. When computing it,
6450 also merge in used hardregs.
6452 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
6454 * gcc.c: Split out Objective-C specs to...
6455 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
6458 * c-lex.c (init_parse): Always initialize the filename global.
6459 * objc/objc-act.c (lang_init): Always call check_newline at
6462 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
6464 * reload1.c (reload): Remove unused variable.
6465 (reload_reg_free_for_value_p): Add missing parameter definition.
6467 * jump.c (jump_optimize): Remove unused variable.
6469 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
6471 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
6473 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
6475 * expr.c (move_by_pieces): Similarly.
6476 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
6477 * flow.c (find_auto_inc): Similarly.
6478 (try_pre_increment): Similarly.
6479 * loop.c (strength_reduce): Similarly.
6480 * regclass.c (auto_inc_dec_reg_p): Similarly.
6481 * regmove.c (try_auto_increment): Similarly.
6482 (fixup_match_1): Similarly.
6483 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
6484 (HAVE_PRE_DECREMENT): Similarly.
6485 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
6486 * Corresponding changes to all target header files.
6487 * tm.texi: Update docs for autoinc addressing modes.
6489 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
6491 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
6492 * configure: Rebuild.
6493 * config/elfos.h: New file.
6494 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
6495 config/m68k/t-m68kelf: New file.
6497 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
6499 * Makefile.in (HOST_AR): Define.
6500 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
6501 (libcpp.a): Use the host tools explicitly.
6502 (STAGESTUFF): Add libcpp.a.
6504 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
6506 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
6507 to source and destination registers.
6509 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
6511 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
6512 The strategy we now use is to pre allocate the top_elt along
6513 with the EH context so that each thread has its own top_elt.
6514 This is necessary as the dynmanic cleanup chain is used on the
6515 top element of the stack and each thread MUST have its own.
6516 (eh_context_static): Likewise.
6517 (new_eh_context): Likewise.
6518 (__sjthrow): Likewise.
6520 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
6522 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
6523 * i386.md (prologue_get_pc): Remove unused variable.
6525 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
6527 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
6529 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
6531 * Makefile.in (OBJS): Add graph.o
6532 (graph.o): New dependency list.
6533 * flags.h: Declare dump_for_graph and define graph_dump_types type.
6534 * print-rtl.c (dump_for_graph): Define new variable.
6535 (print_rtx): Rewrite to allow use in graph dumping functions.
6536 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
6537 finish_graph_dump_file.
6538 Define graph_dump_format.
6539 (compile_file): If graph dumping is enabled also clear these files.
6540 Finish graph dump files.
6541 (rest_of_compilation): Also dump graph information if enabled.
6542 (main): Recognize -dv to enabled VCG based graph dumping.
6543 * graph.c: New file. Graph dumping functions.
6545 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
6547 * configure.in: Look for <sys/stat.h>.
6548 * system.h: Include it before substitute S_ISREG definitions.
6550 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
6552 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
6553 * config/mips/iris6.h: Same.
6554 * config/mips/mips.md: Same.
6555 * config/mips/mips.c: Same; also add "-mabi=o64" option.
6556 * config/mips/mips.h: Same; also define ABI_O64.
6558 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6560 * configure.in: Use AC_PREREQ(2.12.1).
6562 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
6564 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
6565 * cpplib.c, gcc.c: Likewise.
6566 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
6568 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
6570 * local-alloc.c (local_alloc): Use malloc not alloca for
6571 reg_qty, reg_offset, ref_next_in_qty.
6573 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6575 * caller-save.c (insert_one_insn): Initialize the live_before and
6576 live_after register sets.
6580 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
6581 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
6582 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
6583 (fp_reg_names, assembler_dialect): New variables.
6584 (print_operand_address): Handle SUBREGs.
6585 (print_operand): Added 'o' case.
6586 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
6587 Name of FP registers depends on mode.
6588 (expand_block_move): Emit different code for SH4 hardware.
6589 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
6590 (from_compare): Likewise.
6591 (add_constant): New argument last_value. Changed all callers.
6592 (find_barrier): Don't try HImode load for FPUL_REG.
6593 (machine_dependent_reorg): Likewise.
6594 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
6595 (gen_far_branch): Emit a barrier after the new jump.
6596 (barrier_align): Don't trust instruction lengths before
6598 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
6599 Use auto-inc addressing for fp registers if doubles need to
6600 be loaded in two steps.
6601 Set sh_flag_remove_dead_before_cse.
6602 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
6603 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
6604 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
6605 Support for FIRST_XD_REG .. LAST_XD_REG.
6606 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
6607 (sh_expand_epilogue): Likewise.
6608 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
6609 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
6610 (arith_reg_operand): FPUL_REG is OK for SH4.
6611 (fp_arith_reg_operand, fp_extended_operand) New functions.
6612 (tertiary_reload_operand, fpscr_operand): Likewise.
6613 (commutative_float_operator, noncommutative_float_operator): Likewise.
6614 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
6615 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
6616 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
6617 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
6618 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
6619 (CONDITIONAL_REGISTER_USAGE): Likewise.
6620 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
6621 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
6622 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
6623 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
6624 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
6625 to -1 and sh_flag_remove_dead_before_cse to 1.
6626 (ASSEMBLER_DIALECT): Define to assembler_dialect.
6627 (assembler_dialect, fp_reg_names): Declare.
6628 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
6629 Hide names of registers that are not accessible.
6630 (CACHE_LOG): Take TARGET_CACHE32 into account.
6631 (LOOP_ALIGN): Take TARGET_HARWARD into account.
6632 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
6633 (FIRST_PSEUDO_REGISTER: Now 49.
6634 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
6635 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
6636 (HARD_REGNO_MODE_OK): Update.
6637 (enum reg_class): Add DF_REGS and FPSCR_REGS.
6638 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
6639 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
6640 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
6641 (NPARM_REGS): Eight floating point parameter registers on SH4.
6642 (BASE_RETURN_VALUE_REG): SH4 also passes double values
6643 in floating point registers.
6644 (GET_SH_ARG_CLASS) Likewise.
6645 Complex float types are also returned in float registers.
6646 (BASE_ARG_REG): Complex float types are also passes in float registers.
6647 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
6648 (LIBCALL_VALUE): Remove trailing semicolon.
6649 (ROUND_REG): Round when double precision value is passed in floating
6651 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
6652 passed on the stack.
6653 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
6654 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
6655 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
6656 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
6657 (MODE_DISP_OK_8): Not for SH4 DFmode.
6658 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
6659 Allow indexed addressing for PSImode after reload.
6660 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
6661 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
6662 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
6663 (DOUBLE_TYPE_SIZE): 64 for SH4.
6664 (RTX_COSTS): Add PLUS case.
6665 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
6666 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
6667 MAC_REGS, PR_REGS, DF_REGS.
6668 (REGISTER_NAMES): Use fp_reg_names.
6669 (enum processor_type): Add PROCESSOR_SH4.
6670 (sh_flag_remove_dead_before_cse): Declare.
6671 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
6672 (PREDICATE_CODES): Add binary_float_operator,
6673 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
6674 fpscr_operand, noncommutative_float_operator.
6675 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
6676 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
6677 * sh.md (attribute cpu): Add value sh4.
6678 (attrbutes fmovd, issues): Define.
6679 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
6680 (function units memory, int, mpy, fp): Make dependent on issue rate.
6681 (function units issue, single_issue, load_si, load): Define.
6682 (function units load_store, fdiv, gp_fpul): Define.
6683 (attribute hit_stack): Provide proper default.
6684 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
6685 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
6686 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
6687 (mulsi3_call): Now uses match_operand for function address.
6688 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
6690 (push, pop, push_e, pop_e): Now define_expands.
6691 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
6692 (movsi_ie): Added y/i alternative.
6693 (ic_invalidate_line_i, movdf_i4): New insns.
6694 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
6695 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
6696 (movdf): Add special code for SH4.
6697 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
6698 (call_valuei, calli, call_value): Likewise.
6699 (movsf): Emit no-op move.
6700 (mov_nop, movsi_y): New insns.
6701 (blt, sge): generalize to handle DFmode.
6702 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
6703 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
6704 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
6705 (fpu_switch0, fpu_switch1, movpsi): New expanders.
6706 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
6707 (toggle_sz): New insn.
6708 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
6709 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
6710 (macsf3): Make use of fpscr visible. Disable for SH4.
6711 (floatsisf2): Make use of fpscr visible.
6712 (floatsisf2_i4): New insn.
6713 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
6714 (ieee_ccmpeqsf_t): Likewise.
6715 (fix_truncsfsi2): Emit different code for SH4.
6716 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
6717 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
6718 (negsf2, sqrtsf2, abssf2): Now expanders.
6719 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
6720 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
6721 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
6722 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
6723 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
6724 (fix_truncdfsi2_i4_2+1): New splitters.
6725 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
6726 (extendsfdf2, truncdfsf2): New expanders.
6727 (truncdfsf2_i4): New insn.
6728 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
6729 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
6730 * float-sh.h: When testing for __SH3E__, also test for
6731 __SH4_SINGLE_ONLY__ .
6732 * va-sh.h (__va_freg): Define to float.
6733 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
6734 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
6735 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
6736 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
6738 (TARGET_SH4_P): Define.
6741 * sh.md (movdf_k, movsf_i): Tweak the condition so that
6742 init_expr_once is satisfied about the existence of load / store insns.
6744 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
6745 change m constraint in source operand to mr / mf .
6747 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
6749 * (__VA_REEF): Define.
6750 (__va_arg_sh1): Use it.
6752 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
6754 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
6756 * i386/dgux.c (struct option): Add new "description field".
6757 * m88k/m88k.c (struct option): Likewise.
6759 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
6761 * version.c: Bump for snapshot.
6763 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6765 * regmove.c (regmove_profitable_p): Use return value of find_matches
6768 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
6770 * version.c: Bump for snapshot.
6772 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
6774 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
6775 without reload having been called earlier.
6777 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
6779 (v850_reorg): Similarly.
6781 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
6783 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6785 * loop.c (move_movables): Start of libcall might be new loop start.
6787 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6789 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
6791 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6793 * function.c (nonlocal_goto_handler_slots): Renamed from
6794 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
6795 (push_function_context_to): Adjust for this change.
6796 (pop_function_context_from): Likewise.
6797 (init_function_start): Likewise.
6798 (expand_function_end): Likewise.
6799 * function.h (struct function): Likewise.
6800 * calls.c (expand_call): Likewise.
6801 * explow.c (allocate_dynamic_stack_space): Likewise.
6802 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
6803 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
6805 (expand_goto): When doing a nonlocal goto, find corresponding handler
6806 slot for it. Don't put the label address in the static chain register.
6807 (expand_end_bindings): Break out nonlocal goto handling code into
6808 three new functions.
6809 (expand_nl_handler_label, expand_nl_goto_receiver,
6810 expand_nl_goto_receivers): New static functions, broken out of
6811 expand_end_bindings and adapted to create one handler per nonlocal
6813 * function.c (delete_handlers): Delete insn if it references any of
6814 the nonlocal goto handler slots.
6815 * i960.md (nonlocal_goto): Comment out code that modifies
6817 * sparc.md (nonlocal_goto): Likewise.
6818 (goto_handler_and_restore_v9): Comment out.
6819 (goto_handler_and_restore_v9_sp64): Comment out.
6821 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6823 * expr.c (STACK_BYTES): Delete unused macro.
6824 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
6825 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
6826 (expand_call): Likewise.
6827 (emit_library_call): Likewise.
6828 (emit_library_call_value): Likewise.
6829 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
6830 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
6831 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
6832 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
6833 (allocate_dynamic_stack_space): Likewise.
6834 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
6835 (STACK_BOUNDARY): Update description to reflect the new situation.
6837 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
6839 * reorg.c (relax_delay_slots): When optimizing for code size, if a
6840 return with a filled delay slot is followed by a return with an
6841 unfilled delay slot, delete the first return and reemit the insn
6842 that was previously in its delay slot.
6844 * i860.c (single_insn_src_p): Add missing parens.
6845 * ginclude/math-3300.h: Likewise.
6847 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
6849 * regclass.c (init_reg_sets_1): Add prototype.
6850 (init_reg_modes): Likewise.
6852 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
6854 * c-common.c: Change warning messages to say `comparison is
6855 always true' or `comparison is always false' instead of the
6856 confusing `is always 0', `is always 1'.
6858 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
6860 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
6861 break instead of return (which loses closing '>').
6863 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
6865 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
6866 standard 387 constants.
6868 * i386.md (jump): Explicitly set "memory" attribute.
6869 (indirect_jump, prologue_set_stack_ptr): Likewise.
6870 (prologue_get_pc_and_set_got, pop): Likewise.
6871 (allocate_stack_worder, blockage, return_internal): Likewise.
6872 (return_pop_internal, nop): Likewise.
6873 (epilogue_set_stack_ptr, leave): Likewise.
6875 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
6877 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
6879 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6881 * reload1.c (reload_reg_free_for_value_p):
6882 Early auto_inc reloads don't conflict with outputs.
6884 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6886 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
6887 Instead call AC_HEADER_SYS_WAIT.
6889 * collect2.c: Don't provide defaults for sys/wait.h macros.
6891 * protoize.c: Likewise. Also, don't include sys/wait.h.
6893 * system.h: Include sys/wait.h and provide macro defaults.
6895 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
6897 * Makefile.in (mandir): Set to @mandir@.
6898 (man1dir): New variable to hold the former value of $(mandir).
6899 Replace all uses of $(mandir) by $(man1dir).
6901 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
6903 * reload.c (find_reloads_address_part): If have a CONST_INT, create
6904 a new one before passing it to force_const_mem.
6906 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
6907 find_reloads_address call.
6909 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6911 * expr.c (store_expr): Don't generate load-store pair
6912 if TEMP is identical (according to ==) with TARGET.
6914 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6916 * reload1.c (reload_reg_free_for_value_p): When considered reload
6917 has an output, matching inputs are not sufficient to avoid conflict.
6919 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
6921 * hash.h (hash_table_key): New type.
6922 (hash_entry): Change `string' field to generic `key'.
6923 (hash_table): Add `comp' and `hash' functions.
6924 (hash_table_init): Take them as input.
6925 (hash_table_init_n): Likewise.
6926 (hash_lookup): Modify for generic keys.
6927 (hash_newfunc): Likewise.
6928 (hash_traverse): Likewise.
6929 (string_hash): New function.
6930 (string_compare): Likewise.
6931 (string_copy): Likewise.
6932 * hash.c (hash_table_init_n): Modify for generic keys.
6933 (hash_table_init): Likewise.
6934 (hash_lookup): Likewise.
6935 (hash_newfunc): Likewise.
6936 (hash_traverse): Likewise.
6937 (string_hash): Split out from hash_lookup.
6938 (string_compare): New function.
6939 (string_copy): Split out from hash_lookup.
6940 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
6942 (symbol_hash_lookup): Likewise.
6943 (file_hash_newfunc): Likewise.
6944 (file_hash_lookup): Likewise.
6945 (demangled_hash_newfunc): Likewise.
6946 (demangled_hash_lookup): Likewise.
6947 (tlink_int): Likewise.
6948 (read_repo_file): Likewise.
6949 (recompile_files): Likewise.
6950 (demangle_new_symbols): Likewise.
6951 (scan_linker_output): Likewise.
6953 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6955 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
6957 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@gnu.org>
6959 * rs6000.c (output_mi_thunk): Improve test for local branch.
6961 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6963 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
6965 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6967 * reload1.c (reload_reg_free_before_p): Delete.
6968 Changed all callers to use reload_reg_free_for_value_p instead.
6969 (reload_reg_free_for_value_p): Handle more reload types.
6970 A RELOAD_FOR_INPUT doesn't conflict with its
6971 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
6972 Add special case for OUT == const0_rtx.
6973 Added ignore_address_reloads argument. Changed all callers.
6975 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
6977 * toplev.c (compile_file): Don't pedwarn about undefined static
6978 functions just because we passed -Wunused.
6980 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6982 * function.c (purge_addressof_1): Unshare rtl created by
6985 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6987 * regmove.c (regmove_optimize): Don't do anything but
6988 optimize_reg_copy[123] when flag_regmove is not set.
6990 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
6992 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
6993 value in paradoxical SImode result, rather than truncating midpoint.
6995 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
6997 * alpha.c (reg_not_elim_operand): New.
6998 * alpha.h (PREDICATE_CODES): Add it.
6999 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
7000 for the multiplicand.
7002 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@gnu.org>
7004 * rs6000.md (movsf): Remove explicit secondary-reload-like
7005 functionality. Only truncate SFmode store if in FPR.
7006 (movsf splitters): Combine const_double splitters.
7007 (movsf_hardfloat): Add GPR support.
7009 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
7011 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
7012 deprecate -mlive-g0 and -mbroken-saverestore.
7013 * t-splet (MULTILIB_OPTIONS): Likewise.
7015 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
7016 in a leaf function. Clarify total_size/extra_size relationship.
7018 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
7020 * i386/cygwin32.asm: Delete.
7021 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
7022 * i386/cygwin32.h: Delete.
7023 * i386/cygwin.h: New file, renamed from cygwin32.h.
7024 * i386/t-cygwin32: Delete.
7025 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
7026 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
7027 * i386/x-cygwin32: Delete.
7028 * i386/x-cygwin: New file, renamed from x-cygwin32.
7029 * i386/xm-cygwin32: Delete.
7030 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
7031 renamed cygwin_ funcs for path translations.
7032 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
7033 * i386/winnt.c: Remove "32" from comment about cygwin.
7034 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
7035 * rs6000/cygwin32.h: Delete.
7036 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
7037 -D__CYGWIN__ to CPP_PREDEFINES.
7038 * rs6000/x-cygwin32: Delete.
7039 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
7040 * rs6000/xm-cygwin32: Delete.
7041 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
7043 * configure.in: Check for cygwin* instead of cygwin32. Account
7044 for the rename of cygwin-related config files to lose the "32"s.
7045 * configure: Regenerate.
7047 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
7048 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
7050 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
7052 * Makefile.in (JAVAGC): New macro.
7053 * configure: Rebuilt.
7054 * configure.in: Recognize --enable-java-gc argument. Subst
7057 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7059 Handle equivalences that have been obscured by gcse:
7061 * reload1.c (reload): Handle equivalences set up in multiple places.
7062 * local-alloc.c (reg_equiv_init_insns): New variable.
7063 (no_equiv): New function.
7064 (update_equiv_regs): Handle equivalences set up in multiple places.
7065 Don't ignore an insn just because its destination is likely to be
7068 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
7070 * except.c (expand_eh_return): Readd force_operand call lost in
7073 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@gnu.org>
7075 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
7077 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
7079 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
7081 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7083 * regmove.c (regmove_optimize): Fix error in last change.
7085 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
7087 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
7088 offset in the .mask pseudo to compensate for frame pointer adjustments.
7089 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
7090 word swap arguments moved to/from FP registers.
7091 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
7093 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
7095 * version.c: Bump for snapshot.
7097 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
7099 * version.c: Bump for snapshot.
7101 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
7103 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
7104 times, then it can not be completely replaced.
7106 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
7108 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
7110 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7112 * gansidecl.h: Prepend a "G" to the macro wrapping this file
7113 (to distinguish it from the macro wrapping ansidecl.h.)
7114 Include libiberty's ansidecl.h. Remove all redundant definitions.
7115 Define the PROTO() style macros in terms of the PARAMS() ones.
7118 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
7119 __STDC__, when deciding whether to use ANSI variable args.
7120 (emit_library_call_value): Likewise.
7122 * cccp.c (error): Likewise.
7123 (warning): Likewise.
7124 (error_with_line): Likewise.
7125 (warning_with_line): Likewise.
7126 (pedwarn): Likewise.
7127 (pedwarn_with_line): Likewise.
7128 (pedwarn_with_file_and_line): Likewise.
7131 * cexp.y (error): Likewise.
7132 (pedwarn): Likewise.
7133 (warning): Likewise.
7135 * collect2.c (fatal_perror): Likewise.
7139 * combine.c (gen_rtx_combine): Likewise.
7141 * cpperror.c (cpp_message): Likewise.
7142 (cpp_fatal): Likewise.
7144 * cpplib.c (cpp_error): Likewise.
7145 (cpp_warning): Likewise.
7146 (cpp_pedwarn): Likewise.
7147 (cpp_error_with_line): Likewise.
7148 (cpp_warning_with_line): Likewise.
7149 (cpp_pedwarn_with_line): Likewise.
7150 (cpp_pedwarn_with_file_and_line): Likewise.
7152 * cpplib.h: Don't define PARAMS() macro.
7154 * demangle.h: Likewise.
7156 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
7157 when deciding whether to use ANSI variable args.
7159 * emit-rtl.c (gen_rtx): Likewise.
7160 (gen_rtvec): Likewise.
7162 * final.c (asm_fprintf): Likewise.
7164 * fix-header.c (cpp_message): Likewise.
7166 (cpp_fatal): Likewise.
7168 * gcc.c (concat): Likewise.
7172 * genattr.c (fatal): Likewise.
7174 * genattrtab.c (attr_rtx): Likewise.
7175 (attr_printf): Likewise.
7178 * gencodes.c (fatal): Likewise.
7180 * genconfig.c (fatal): Likewise.
7182 * genemit.c (fatal): Likewise.
7184 * genextract.c (fatal): Likewise.
7186 * genflags.c (fatal): Likewise.
7188 * genopinit.c (fatal): Likewise.
7190 * genoutput.c (fatal): Likewise.
7193 * genpeep.c (fatal): Likewise.
7195 * genrecog.c (fatal): Likewise.
7197 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
7198 deciding whether to declare `tree_node' and `rtx_def'.
7200 * hash.h: Don't define stuff we get from gansidecl.h.
7202 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
7203 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
7204 whether to use ANSI variable args.
7207 * prefix.c (concat): Likewise.
7211 * system.h: Likewise.
7213 * toplev.c (error_with_file_and_line): Likewise.
7214 (error_with_decl): Likewise.
7215 (error_for_asm): Likewise.
7218 (warning_with_file_and_line): Likewise.
7219 (warning_with_decl): Likewise.
7220 (warning_for_asm): Likewise.
7221 (warning): Likewise.
7222 (pedwarn): Likewise.
7223 (pedwarn_with_decl): Likewise.
7224 (pedwarn_with_file_and_line): Likewise.
7226 (really_sorry): Likewise.
7228 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
7229 whether to declare `tree_node' and `rtx_def'.
7231 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
7232 deciding whether to use ANSI variable args.
7233 (build_nt): Likewise.
7234 (build_parse_node): Likewise.
7236 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
7238 * version.c: Bump for snapshot.
7240 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7242 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
7244 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@gnu.org>
7246 * collect2.c (main, case 'b'): Use else if.
7248 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7250 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
7251 Arrange to include gansidecl.h in {ht}config.h & tm.h just
7252 before the config/ directory headers.
7253 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
7254 gansidecl.h in the list of dependencies.
7256 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
7257 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
7258 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
7259 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
7260 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
7261 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
7264 * cccp.c: Don't include gansidecl.h.
7266 * collect2.c: Likewise.
7267 * config/c4x/c4x.c: Likewise.
7268 * config/v850/v850.h: Likewise.
7269 * cppalloc.c: Likewise.
7270 * cpperror.c: Likewise.
7271 * cppexp.c: Likewise.
7272 * cppfiles.c: Likewise.
7273 * cpphash.c: Likewise.
7274 * cpplib.c: Likewise.
7275 * cppmain.c: Likewise.
7276 * cppulp.c: Likewise.
7277 * demangle.h: Likewise.
7278 * doprint.c: Likewise.
7279 * dyn-string.c: Likewise.
7280 * eh-common.h: Likewise.
7281 * fix-header.c: Likewise.
7282 * frame.c: Likewise.
7285 * gen-protos.c: Likewise.
7286 * gencheck.c: Likewise.
7287 * halfpic.h: Likewise.
7289 * machmode.h: Likewise.
7290 * mbchar.c: Likewise.
7291 * prefix.c: Likewise.
7292 * protoize.c: Likewise.
7293 * recog.h: Likewise.
7295 * scan-decls.c: Likewise.
7297 * varray.h: Likewise.
7299 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
7301 * i386.md (call_value_pop): If we're not popping anything,
7302 defer to call_value.
7303 (call_pop): Likewise defer to call.
7305 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
7307 * function.c (purge_addressof): Clear purge_addressof_replacements
7308 only after processing the whole function.
7310 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
7312 * reload1.c (reload): If we can not perform a particular elimination
7313 when we thought we could earlier, then we must always iterate through
7314 the loop at least one more time.
7316 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
7318 * alpha.c (add_operand): Simplify the CONST_INT match.
7319 (sext_add_operand): Correct typo in comparison by using
7320 CONST_OK_FOR_LETTER_P.
7321 * alpha.md (s?addq): Use sext_add_operand to allow the negative
7322 constant alternatives to be generated.
7323 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
7324 small constants, since the hw instructions do.
7326 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7328 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
7329 previous insn to store directly into our reload register, make sure
7330 that if the source of the previous insn is a reload register, its
7331 spill_reg_store and spill_reg_stored_to values are cleared.
7333 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@gnu.org>
7335 * rs6000.md (floatunssidf2_internal splitter): Use base register
7336 operand, not hard-coded SP.
7338 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7340 * jump.c (calculate_can_reach_end): Fix thinko.
7342 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
7344 * reorg.c (fill_simple_delay_slots): Fix typo.
7346 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
7348 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
7350 * i386.md (extendsidi2): Use # in the output template.
7351 (extendsidi splitters): New splitters.
7353 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
7355 * configure.in: Use unknown-elf.h as tm_file for arm-elf
7357 * configure: Regenerate.
7359 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7361 * jump.c (init_label_info, delete_barrier_successors,
7362 mark_all_labels, delete_unreferenced_labels,
7363 delete_noop_moves, calculate_can_reach_end): New functions broken
7364 out of jump_optimize.
7365 (jump_optimize): Use them.
7367 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
7369 * except.c (expand_fixup_region_end): Make sure outer context labels
7370 are not issued in an inner context during cleanups.
7372 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
7374 * alpha.md (addsi3, subsi3): No new temporaries once cse is
7377 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
7379 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
7380 to expose this midpoint to CSE.
7382 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7384 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
7386 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
7388 * configure.in: Bring over gcc2 change of Nov 19 1997.
7390 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
7392 * toplev.c (output_lang_identify): Make definition dependent on
7393 ASM_IDENTIFY_LANGUAGE.
7395 * print-rtl.c (spaces): Make static.
7397 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
7399 * extend.texi: Clarify proper uses for register clobbers in asms.
7401 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7403 * recog.h (enum op_type): Define.
7404 (constrain_operands): Adjust prototype.
7405 (recog_op_type): Declare new variable.
7406 * recog.c (recog_op_type): New variable.
7407 (insn_invalid_p): Allow modifying an asm statement after reload.
7408 (extract_insn): Set up recog_op_type.
7409 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
7410 Don't compute operand types, use recog_op_type.
7411 Use the information computed by extract_insn instead of the previous
7412 method of finding it by insn code number.
7413 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
7414 * reorg.c (fill_slots_from_thread): Likewise.
7415 * reload1.c (reload_as_needed): Likewise.
7416 (gen_reload): Likewise.
7417 (inc_for_reload): Likewise.
7418 (reload_cse_simplify_operands): Likewise.
7419 Use the information computed by extract_insn instead of the previous
7420 method of finding it by insn code number.
7421 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
7423 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
7424 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
7425 Use the information computed by extract_insn instead of the previous
7426 method of finding it by insn code number.
7427 * regmove.c (find_matches): Likewise. Change meaning of the return
7428 value to be nonzero if the optimization can be performed, zero if
7429 not. All callers changed.
7430 Shorten some variable names to fix formatting problems.
7431 (regmove_optimize): Shorten some variable names to fix formatting
7433 Use the information computed by extract_insn instead of the previous
7434 method of finding it by insn code number.
7435 * regclass.c (scan_one_insn): Likewise.
7436 (record_reg_classes): Don't compute operand types, use recog_op_type.
7437 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
7438 recog_constraints instead.
7440 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
7442 * rtl.h (flow2_completed): Declare.
7443 * flow.c (flow2_completed): Definition.
7444 * toplev.c (rest_of_compilation): Set and clear flow2_completed
7447 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
7449 * Makefile.in (libcpp.a): Ranlib libcpp.a
7451 * cppulp.c (user_label_prefix): Initialize.
7453 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
7455 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
7456 at a RETURN if current_function_sp_is_unchanging is set.
7458 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7460 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
7462 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
7464 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
7465 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
7466 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
7467 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
7468 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
7469 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
7471 (LIB_SPEC): Handle -mno-cyginw option.
7472 (LINK_SPEC): Handle -mdll.
7474 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7476 * reload.c (find_reloads): Fix test for usage by other reload
7477 to handle secondary reloads properly.
7479 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7481 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
7482 intermediate structure which has exactly the members provided by
7483 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
7484 static intermediate structure.
7486 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
7487 from the intermediate structure. Do the same analogous fix in
7488 the case where ELIMINABLE_REGS is not defined.
7490 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
7492 * pa.h (SELECT_SECTION): Fix thinko.
7494 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
7496 * dwarf2out.c (output_call_frame_info): Comments on last change.
7498 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
7500 * arm.c (add_constant): When taking the address of an item in the
7501 pool, get the mode of the item addressed.
7503 * arm.c (final_prescan_insn case INSN): If an insn doesn't
7504 contain a SET or a PARALLEL, don't consider it for conditional
7507 Restore ABI compatibility for NetBSD.
7508 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
7510 (RETURN_IN_MEMORY): Likewise.
7512 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
7514 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
7515 (m32r_output_block_move): Rewrite bytes < 4 handling.
7517 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7519 * configure.in: Call AC_FUNC_VFORK.
7521 * collect2.c: Define VFORK_STRING as a printable string for
7522 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
7523 defined, include vfork.h. If VMS is defined, define vfork()
7524 appropriately. Remove vfork check on USG, we're using autoconf.
7525 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
7526 checking locally what string to pass.
7527 (scan_prog_file): Likewise.
7528 (scan_libraries): Likewise.
7530 * gcc.c: Remove vfork check on USG, we're using autoconf.
7531 Besides, no calls to vfork/fork occur in this file.
7533 * protoize.c: Likewise.
7535 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
7537 * configure.in (DEFAULT_LINKER): renamed from LD
7538 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
7539 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
7540 * configure: rebuilt
7542 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
7544 * BUGS: fix the regexp for `more' to find the appropriate node.
7545 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
7547 * BUGS: added link to the WWW FAQ
7549 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
7551 * version.c: Bump for snapshot.
7553 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
7555 * From Christian Gafton:
7556 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
7557 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
7558 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
7560 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
7562 * c-common.c (c_get_alias_set): Allow all type-punning through
7563 unions. Don't get confused about the type of a bit-field, despite
7564 the antics of build_modify_expr.
7566 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
7568 * fixinc.sco: Paramaterize #include_next values.
7569 * fixinc/fixinc.sco: Likewise.
7571 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
7573 * toplev.c (rest_of_compilation): No longer set reload_completed.
7574 * reload1.c (reload): Set it here. Perform instruction splitting
7575 after reload has completed if we will be running the scheduler
7578 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
7580 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
7581 EH region if exceptions are enabled and we're performing cross
7583 (find_cross_jump): Exit loop if the insns are in different EH regions.
7585 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
7587 * dwarf2out.c (output_call_frame_info): Use
7588 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
7590 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7592 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
7593 * c-common.c (check_format_info): Don't check for the 'x'
7594 format character twice, instead check for 'x' and 'X'
7596 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
7598 * configure.in (assembler features): Also make gas is configured if
7599 we find it in the souce tree.
7601 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
7603 * i386.c (i386_comp_type_attributes): Compare whether the
7604 attributes are defined, not their tree nodes.
7606 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
7608 * configure.in (gxx_include_dir): bitten by autoconf quoting
7610 * configure: rebuilt
7612 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
7614 * configure.in: Ignore non-absolute value in $AS.
7616 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
7618 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
7620 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
7622 * configure.in (msdosdjgpp): Set exeext and target_alias.
7624 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7626 * flow.c (XNMALLOC): New macro.
7627 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
7629 (add_edge, add_edge_to_label): New static functions.
7630 (free_bb_memory): New function.
7631 (flow_delete_insn): Delete function.
7632 (basic_block_drops_in): Delete variable.
7633 (find_basic_blocks): Allocate and initialize basic_block_head,
7634 basic_block_succ. Don't allocate basic_block_drops_in.
7635 Call free_bb_memory at the beginning.
7636 (find_basic_blocks_1): Don't do multiple passes.
7637 Delete code to compute basic_block_drops_in.
7638 After calling make_edges, mark blocks reached by current block live.
7639 Update test for unreachable live blocks.
7640 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
7642 Simplify to call add_edge_to_label when a LABEL_REF is found.
7643 (make_edges): Simplify to call add_edge_to_label instead of
7644 mark_label_ref most of the time.
7645 Compute here whether control drops into the next block.
7646 (delete_unreachable_blocks): Return void. All callers changed.
7647 Delete unreachable blocks in reverse order.
7648 After deleting all unreachable blocks, renumber the remaining ones
7649 and update n_basic_blocks.
7650 (delete_block): Speed up deletion a bit.
7651 Don't set basic_block_drops_in for deleted blocks.
7652 (free_basic_block_vars): Don't free basic_block_drops_in.
7653 (life_analysis_1): Update to use new edge representation.
7654 (dump_flow_info): Delete code to print basic block info; call
7655 dump_bb_data instead.
7656 (compute_preds_succs): Delete code to recompute basic_block_drops_in
7657 and uid_block_number.
7658 Simply copy the previously computed cfg.
7659 (dump_bb_data): New arg LIVE_INFO. All callers changed.
7660 Print register lifetime information if LIVE_INFO is nonzero.
7661 * basic-block.h (dump_bb_data): Adjust prototype.
7662 * gcse.c (gcse_main): Update call to dump_bb_data.
7663 * rtl.h (free_bb_memory): Declare.
7664 * toplev.c (rest_of_compilation): Call free_bb_memory.
7666 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
7667 (update_eliminable_offsets): Don't compute it.
7668 (set_initial_elim_offsets): Don't initialize it.
7669 Break out some code into set_initial_label_offsets so the rest of
7670 this function can be called from reload_as_needed.
7671 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
7672 ELIMINABLE_REGS isn't.
7673 (set_initial_label_offsets): New function, broken out of
7674 set_initial_elim_offsets.
7675 (set_offsets_for_label): New function, broken out of set_label_offsets
7676 and reload_as_needed.
7677 (reload): Call the two new functions.
7678 (reload_as_needed): Call set_initial_elim_offsets instead of
7679 duplicating the code. Likewise for set_offsets_for_label.
7681 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
7682 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
7683 any hard reg, reg_reloaded_dead contains valid data.
7685 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
7687 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
7688 "stdcall" and "cdecl" attributes.
7690 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
7692 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
7693 handle deleted no-op moves of hard registers.
7694 * haifa-sched.c (update_flow_info): Likewise.
7696 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
7698 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
7699 of the sequences to reload the HILO register which do not actually
7702 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
7704 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
7706 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
7708 * except.c (emit_eh_context): Make the EH context register stay alive
7709 at -O0 so stupid.c doesn't get confused.
7711 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7713 * emit-rtl.c (try_split): Do not try to split a BARRIER.
7715 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
7716 Jeffrey A Law (law@cygnus.com)
7718 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
7719 (zero_extendsidi2): Use # in output template and handle completely by
7721 (zero_extend splitters): New define_splits.
7722 (ashiftrt_32): New pattern.
7724 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
7726 * tree.c (append_random_chars): New fn.
7727 (get_file_function_name_long): Use it.
7729 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
7731 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
7732 (LIBCPP_OBJS): New. Add cppulp.o.
7733 (cppmain, fix-header): Depend on and use libcpp.a.
7734 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
7735 of the individual object files.
7736 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
7739 * cccp.c (user_label_prefix): New.
7740 (main): Set it off -f*leading-underscore.
7741 (special_symbol): Use it.
7742 * cpplib.c (special_symbol): Likewise.
7743 (cpp_handle_option): Handle -f*leading-underscore.
7744 * cppulp.c: New file.
7746 * output.h (user_label_prefix): Declare it.
7747 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
7748 * toplev.c (f_options, main): Handle -f*leading-underscore.
7750 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
7751 referencing USER_LABEL_PREFIX directly.
7752 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
7753 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
7754 * final.c (asm_fprintf): Use user_label_prefix instead.
7755 * arm/thumb.c (thumb_print_operand): Likewise.
7757 * gcc.c (default_compilers): Pass -f*leading-underscore on to
7758 cpp wherever appropriate.
7760 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
7762 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
7763 specific compiler switches.
7765 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
7767 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
7770 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7772 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
7773 structure which has exactly the members provided by EXTRA_SPECS.
7774 Xmalloc() the real `extra_specs', and initialize it from this
7775 intermediate structure.
7777 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
7779 * mips.h (EXTRA_SPECS): Likewise.
7781 * sparc.h (EXTRA_SPECS): Likewise.
7783 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
7785 * function.c (purge_addressof_1): Instead of aborting when a
7786 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
7787 work just put the ADDRESSOF on stack. Otherwise remember all such
7788 successfull replacements, so that exactly the same replacements
7789 can be made on the REG_NOTEs. Remove the special case for CALL
7791 (purge_addressof_replacements): New variable.
7792 (purge_addressof): Clear it at end.
7794 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
7796 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
7797 (lang_init): Call check_newline always.
7798 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
7799 cpp_start_read, set yy_cur and yy_lim to read from
7800 parse_in.token_buffer, so that we'll see the first #line
7802 * cpplib.c (cpp_start_read): finclude the main input file
7803 before processing -include/-imacros. Process -imacros and
7804 -include separately, and handle -include by stacking a
7805 buffer for the file in question as if it'd been #included.
7806 * toplev.c (documented_lang_options) Recognize -H when
7809 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
7811 * cpplib.c: Merge do_once into do_pragma. Break file handling
7812 code out of do_include.
7813 Move append_include_chain, deps_output,
7814 file_cleanup, redundant_include_p, import_hash,
7815 lookup_import, add_import, read_filename_string, read_name_map,
7816 open_include_file, finclude, safe_read to cppfiles.c.
7817 Move prototypes for deps_output, append_include_chain,
7818 finclude to cpplib.h. Move definition of struct
7819 file_name_list there also.
7821 * cppfiles.c: New file. Contains all the above functions
7822 broken out of cpplib.c; also hack_vms_include_specification
7823 from cccp.c and find_include_file, a new function broken out of
7826 * Makefile.in (cppmain): Depend on cppfiles.o.
7827 (fix-header): Likewise.
7828 (cppfiles.o): New target.
7829 * configure.in (--enable-c-cpplib): Add cppfiles.o to
7830 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
7832 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
7834 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
7835 if pending_types is non-zero.
7836 (dwarfout_finish): Verify pending_types is zero before finishing.
7838 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
7840 * expr.c (convert_move): Use shifts to perform the move if a
7841 suitable extend pattern cannot be found. Code written by
7842 Richard Henderson <rth@cygnus.com>.
7844 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7846 * regclass.c (renumber, regno_allocated): New static variables, moved
7847 out of allocate_reg_info.
7848 (allocate_reg_info): Move these two variables outside the function.
7849 Move code to free memory into new function free_reg_info.
7850 (free_reg_info): New function, broken out of allocate_reg_info.
7851 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
7852 * rtl.h (allocate_reg_info): Don't declare.
7853 (free_reg_info): Declare.
7855 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
7857 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
7859 * toplev.c (compile_file): Temporarily revert last change.
7861 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
7863 * c-typeck.c (convert_for_assignment): Parenthesize.
7865 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
7867 * reload1.c (delete_output_reload): Avoid ambigous else.
7869 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
7871 * toplev.c (compile_file): Call allocate_reg_info to free register
7873 * rtl.h (allocate_reg_info): Declare.
7875 * PROJECTS: Remove entry for local spilling.
7877 * final.c (cleanup_subreg_operands): New function.
7878 (final_scan_insn): Use it.
7879 (alter_subreg): Clear the "used" field when we turn a SUBREG into
7881 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
7882 operands when reload has finished.
7883 * reload.h (cleanup_subreg_operands): Declare..
7884 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
7885 reload. Handled in reload itself.
7887 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7889 * reload1.c (verify_initial_offsets): New function.
7890 (reload): Call it after reload_as_needed. Also verify that the frame
7891 size stays constant during reload_as_needed.
7892 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
7894 * reload.h (struct insn_chain): Add need_operand_change element.
7895 * reload1.c (new_insn_chain): Clear it.
7896 (calculate_needs_all_insns): Set it; don't overload need_reload.
7897 (reload_as_needed): Use it.
7899 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
7900 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
7901 and reload_address_index_reg_class.
7902 (find_reloads_address_1): Likewise.
7903 * reload.h (reload_address_base_reg_class,
7904 reload_address_index_reg_class): Don't declare.
7905 * reload1.c (reg_old_renumber, pseudo_previous_regs,
7906 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
7907 (used_spill_regs): Now static.
7908 (reload_address_base_reg_class, reload_address_index_reg_class,
7909 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
7910 basic_block_needs, max_needs, group_size, group_mode, max_groups,
7911 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
7914 (init_reload): Delete code to compute base/index reg classes.
7915 (reload): Delete variable J.
7916 Delete code to manage basic_block_needs.
7917 Don't compute regs_explicitly_used.
7918 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
7919 pseudo_previous_regs.
7920 Initialize bad_spill_regs_global.
7921 Don't call order_regs_for_reload here.
7922 Don't initialize spill_reg_order and n_spills.
7923 Don't forbid explicitly used regs to be used for spill regs.
7924 Change main loop to infinite loop, with explicit break statements.
7925 Make SOMETHING_CHANGED variable local to that loop.
7926 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
7927 max_groups_insn, max_nongroups_insn, group_size, group_mode.
7928 Make sure spilled_speudos is cleared before calling spill_hard_reg or
7930 Don't call dump_needs.
7931 Delete code to reset potential_reload_regs.
7932 Delete code to terminate loop conditional on the global needs variables
7933 showing no further needs.
7934 (calculate_needs_all_insns): Return void. All callers changed.
7935 Initialize somehing_needs_elimination here, not in reload.
7936 Delete avoid_return_reg kludge.
7937 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
7938 All callers changed.
7939 Initialize the group_mode and group_size elements of the arg CHAIN.
7940 Delete code to manage basic_block_needs.
7941 Operate on elements of CHAIN instead of global variables.
7942 Delete avoid_return_reg kludge.
7943 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
7944 All callers changed.
7945 Operate on elements of CHAIN instead of global variables.
7946 Delete special SMALL_REGISTER_CLASSES code.
7947 Delete spill_failure code; now in new_spill_reg.
7948 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
7949 All callers changed.
7950 Operate on elements of CHAIN instead of global variables.
7951 (maybe_mark_pseudo_spilled): New static function.
7952 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
7953 All callers changed.
7954 Operate on elements of CHAIN instead of global variables.
7955 Call order_regs_for_reload here, not in reload.
7956 Initialize spill_reg_order and n_spills.
7957 Simplify test whether an asm insn is involved.
7958 Delete spill_failure code; now in new_spill_reg.
7959 Call maybe_mark_pseudo_spilled for everything marked as live in
7960 CHAIN. Merge CHAIN's used_spill_regs into the global variable
7962 (dump_needs): Take CHAIN arg. No longer static, to prevent the
7963 compiler from optimizing this function (now unused) away.
7964 Operate on elements of CHAIN instead of global variables.
7965 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
7967 Operate on elements of CHAIN instead of global variables.
7968 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
7969 take CHAIN arg. All callers changed.
7970 Operate on elements of CHAIN instead of global variables.
7971 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
7972 CHAIN, NONGROUP args. Return void. All callers changed.
7973 Verify caller isn't trying to spill a pseudo.
7974 Simplify test for illegal reg, just use bad_spill_regs.
7975 Generate better error messages.
7976 Operate on elements of CHAIN instead of global variables.
7977 Mark spilled register in CHAIN's used_spill_regs element.
7978 Don't call spill_hard_reg.
7979 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
7980 Mark spilled hard regs in bad_spill_regs_global.
7981 Mark affected pseudos in spilled_pseudos, but don't spill them.
7982 (ior_hard_reg_set): New static function.
7983 (finish_spills): Return int. All callers changed.
7984 Compute spill_reg_order, n_spills and spill_regs here. Also update
7985 regs_ever_live for regs used as spills.
7986 For every pseudo in spilled_pseudos, spill it and mark the previous
7987 hard reg it had in pseudo_previous_regs. Compute which hard regs
7988 arseudo): New static function.
7989 (order_regs_for_reload): Take CHAIN arg. All callers changed.
7990 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
7991 hard registers explicitly used across the current insn into the set.
7992 Compute hard_reg_n_uses taking only pseudos live across this insn
7994 Tweak sorting of potential_reload_regs.
7995 (compare_spill_regs): Delete function.
7996 (reload_as_needed): Don't sort the spill_regs array, it's computed
7997 in proper order in finish_spills.
7998 Delete avoid_return_reg kludge.
7999 Delete code to manage basic_block_needs.
8000 (allocate_reload_reg): Minor speed/readability tweaks.
8001 Operate on elements of CHAIN instead of global variables.
8002 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
8003 Delete avoid_return_reg kludge.
8004 Initialize reload_reg_used from CHAIN's used_spill_regs element.
8005 Delete unused label FAIL.
8006 (reload_combine): Replce reload_address_index_reg_class with
8008 Don't use used_spill_regs to determine information about lifetime of
8011 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
8013 * toplev.c (display_help): Ignore empty target specific
8014 options, and if -W is also specified on the command line then
8015 display undocumented options.
8017 * config/arm/arm.c: Updated with changes in devo sources.
8018 * config/arm/arm.h: Updated with changes in devo sources.
8019 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
8020 * config/arm/lib1thumb.asm: Add ELF support.
8022 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@gnu.org>
8024 * collect2.c (aix64_flag): New variable.
8025 (main, case 'b'): Parse it.
8026 (GCC_CHECK_HDR): object magic number must match mode.
8027 (scan_prog_file): Only check for shared object if valid header.
8028 Print debugging if header/mode mismatch.
8030 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
8032 Added support for arm-elf-linux configuration, submitted by Philip
8033 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
8034 code developed by Catherine Moore <clm@cygnus.com>. The following
8037 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
8040 * configure: Regenerated.
8042 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
8043 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
8044 definitions conditional on their not having been already defined.
8046 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
8047 and .type directives, and add "(PLT)" qualification to function
8050 * config/arm/linux.h: Deleted. This file is now superceeded by
8051 either linux-elf.h or linux-aout.h.
8053 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
8054 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
8056 Move definitions from old linux.h file here.
8058 * config/arm/elf.h: New file. Generic ARM/ELF support.
8060 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
8062 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
8064 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
8065 using the 26bit APCS.
8067 * config/arm/unknown-elf.h: New file. Support for OS'es other
8068 than Linux with ELF.
8070 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
8073 * config/arm/coff.h: Include aout.h for basic assembler macros.
8074 Add support for -mstructure_size_boundary=<n> command line option.
8076 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
8077 command line option. Make macro definitions conditional on their
8078 not having been already defined.
8080 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
8081 command line option.
8084 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
8086 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
8087 has been changed to not include a newline. Use this macro instead.
8088 (output_enumeral_list, const_value_attribute, name_attribute,
8089 comp_dir_attribute, prototyped_attribute, producer_attribute,
8090 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
8091 dwarfout_file_scope_decl, generate_new_sfname_entry,
8092 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
8093 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
8095 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
8097 * combine.c (subst): Process the inputs to a parallel asm_operands
8100 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
8102 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
8104 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
8106 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
8108 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
8110 * version.c: Bump for snapshot.
8112 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
8114 * stmt.c (expand_fixup): Set fixup->before_jump to a
8115 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
8117 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8119 * Makefile.in (recog.o): Depend on toplev.h.
8120 (insn-emit.o): Depend on recog.h.
8121 (insn-peep.o): Depend on recog.h and insn-config.h.
8123 * combine.c (simplify_set): Remove unused variable `scratches'.
8125 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
8126 and `idx' in macro conditional controlling their use.
8128 * genemit.c (main): Make the generated output file include
8129 recog.h. Don't have it declare `insn_operand_constraint', since
8130 we get it from recog.h.
8132 * genpeep.c (main): Make the generated output file include
8133 insn-config.h and recog.h.
8135 * recog.c: Include toplev.h.
8136 (extract_insn): Remove unused variable `p'.
8138 * regclass.c (fix_register): Add missing braces around initializer
8140 (allocate_reg_info): Move variable `i' into the scope where it is
8141 used. Change its type to `size_t'.
8143 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8145 * reload.c (push_reload): When merging reloads, make sure
8146 that reload_in_reg and reload_in are from the same reload in
8149 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
8151 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
8152 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
8154 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@gnu.org>
8156 * loop.c (loop_has_tablejump): New variable.
8157 (prescan_loop): Scan for it.
8158 (insert_bct): Replace explicit scan with use of it.
8159 * regclass.c (regclass): Restore loop variable j.
8160 (record_reg_classes): Deterine op_types modifiers and initialize
8161 classes[i] before matching constraints. Handle matching
8164 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
8166 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
8169 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8171 * mips.h (EXTRA_SPECS): Add missing initializers.
8173 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8175 * sparc.h (EXTRA_SPECS): Add missing initializers.
8176 (sparc_defer_case_vector): Provide a prototype.
8178 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
8179 comparing it to the result of a pointer subtraction.
8181 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8183 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
8184 the argument to (unsigned char).
8186 * alpha.h (EXTRA_SPECS): Add missing initializers.
8187 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
8190 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
8192 * flow.c (life_analysis_1): Enable "rescan" code after reload.
8193 (propagate_block): Delete dead code after reload.
8195 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
8196 back Oct 15, 1998 change.
8197 * haifa-sched.c (update_flow_info): Likewise.
8198 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
8200 * mn10200.md (truncated shift): Accept constant inputs too.
8202 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
8204 * machmode.h (mode_mask_array): No longer const.
8205 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
8207 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8209 * frame.c: Somewhat explain `FDE'.
8210 Suggested by Brendan Kehoe
8212 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
8214 * expr.c (pending_chain): Move up.
8215 (save_expr_status): Do save pending_chain.
8216 (restore_expr_status): And restore it.
8217 * function.h (struct function): Add pending_chain.
8219 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8221 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
8222 did not match the code.
8224 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8226 * regclass.c (regclass): Break out some code into new function
8227 scan_one_insn, and into regclass_init.
8228 (init_cost): New static variable, moved out of regclass.
8229 (regclass_init): Initialize it here, not in .
8230 (scan_one_insn): New static function, broken out of regclass.
8231 * recog.c (apply_change_group): Break out some code into new
8232 function insn_invalid_p.
8233 (insn_invalid_p): New static fn, broken out of apply_change_group.
8235 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
8237 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
8238 reg_reloaded_contents matches incremented pseudo.
8240 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
8242 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8244 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
8245 addressing modes with side effects. These are currently
8246 placeholders for the C4x target.
8248 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8250 * loop.c (express_from): Make sure that when generating a PLUS of
8251 a PLUS, any constant expression appears on the outermost PLUS.
8253 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
8255 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
8256 works if "$(srcdir)" != ".".
8258 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
8260 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
8261 existing SUBREG if we can, otherwise abort.
8263 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
8265 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
8266 `restrict' is applied to a non-pointer variable.
8268 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
8270 * invoke.texi: Document -flang-isoc9x.
8272 * Makefile.in (OBJS): Add splay-tree.o.
8273 (c-common.o): Depend on rtl.h.
8274 (splay-tree.o): List dependencies and provide build rule.
8276 * rtl.h (record_alias_subset): New function.
8277 * alias.c: Include splay-tree.h.
8278 (alias_set_entry): New type.
8279 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
8280 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
8281 (mems_in_disjoin_alias_sets_p): New function.
8282 (alias_set_compare): Likewise.
8283 (insert_subset_children): Likewise.
8284 (get_alias_set_entry): Likewise.
8286 * tree.h (TYPE_RESTRICT): New macro.
8287 (TYPE_UNQUALIFIED): New manifest constant.
8288 (TYPE_QUAL_CONST): Likewise
8289 (TYPE_QUAL_VOLATILE): Likewise.
8290 (TYPE_QUAL_RESTRICT): Likewise.
8291 (tree_type): Add restrict_flag. Reduce count of free bits.
8292 (DECL_POINTER_ALIAS_SET): New macro.
8293 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
8294 (tree_decl): Add pointer_alias_set.
8295 (build_qualified_type): New function.
8296 (build_type_variant): Define in terms of build_qualified_type.
8297 * tree.c (set_type_quals): New function.
8298 (make_node): Initializae DECL_POINTER_ALIAS_SET.
8299 (build_type_attribute_variant): Use build_qualified_type and
8301 (build_type_variant): Rename, and modify, to become...
8302 (build_qualified_type): New function.
8303 (build_complex_type): Use set_type_quals.
8305 * c-tree.h (C_TYPE_OBJECT_P): New macro.
8306 (C_TYPE_FUNCTION_P): Likewise.
8307 (C_TYPE_INCOMPLETE_P): Likewise.
8308 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
8309 (c_apply_type_quals_to_decl): New function.
8310 (c_build_qualified_type): New function.
8311 (c_build_type_variant): Define in terms of c_build_qualified_type.
8312 (flag_isoc9x): Declare.
8313 * c-typeck.c (qualify_type): Use c_build_qualified_type.
8314 (common_type): Change to use TYPE_QUALS.
8315 (comptypes): Likewise.
8316 (convert_for_assignment): Likewise.
8317 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
8318 * c-decl.c (flag_isoc9x): Define.
8319 (c_decode_option): Handle -flang-isoc9x.
8320 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
8321 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
8322 * c-lex.c (init_lex): Deal with restrict.
8323 (init_lex): Don't treat restrict as a reserved word in
8324 -traditional mode, or without -flang-isoc9x.
8325 * c-lex.h (rid): Add RID_RESTRICT.
8326 * c-parse.gperf (restrict, __restrict, __restrict__): Make
8327 equivalent to RID_RESTRICT.
8328 * c-parse.in (TYPE_QUAL): Update comment.
8329 * c-common.c: Include rtl.h.
8330 (c_find_base_decl): New function.
8331 (c_build_type_variant): Rename, and modify, to become ...
8332 (c_build_qualified_type): New function.
8333 (c_apply_type_quals_to_decl): Likewise.
8334 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
8335 a particular alias set for the reference.
8336 * toplev.c (documented_lang_options): Add -flang-isoc9x.
8338 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
8340 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
8341 command line switches.
8343 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
8345 * reload.c (loc_mentioned_in_p): Add missing braces to bind
8348 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
8350 * gcc.c (option_map): Added --classpath and --CLASSPATH.
8352 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
8354 * regclass.c (fix_register): Add error message.
8355 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
8358 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8360 * c-decl.c (warn_missing_noreturn): New global variable.
8361 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
8362 (finish_function): Implement missing noreturn warning.
8364 * c-tree.h (warn_missing_noreturn): Declare extern.
8366 * invoke.texi: Document new flags.
8368 * toplev.c (documented_lang_options): Add description.
8370 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8372 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
8373 loop optimization stable for the C4x.
8374 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
8375 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
8376 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
8378 (c4x_address_conflict): Be more paranoid when packing a volatile
8379 memref in a parallel load/store.
8381 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8383 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
8384 repeat_block_filler): Deleted.
8385 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
8386 Condition code not set if destination register from 'c' class.
8387 (*subbqi3_carry_clobber): Fix typo.
8389 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8391 * reorg.c (steal_delay_list_from_target) Check for insns that
8392 modify the condition codes and effect the direction of the jump
8395 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
8397 * function.c (purge_addressof_1): Replace call to
8398 emit_insns_before() with emit_insn_before().
8400 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
8402 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
8404 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8406 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
8408 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
8410 * gcse.c (compute_hash_table): Correctly identify hard regs which are
8411 clobbered across calls.
8413 * loop.c (scan_loop): Be more selective about what invariants are
8414 moved out of a loop.
8416 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
8418 * version.c: Bump for snapshot.
8420 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
8422 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
8423 static eh_context structure.
8425 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8427 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
8429 (try_combine): Don't update max_scratch.
8430 * flow.c (max_scratch, num_scratch): Delete variables.
8431 (life_analysis_1): Don't initialize max_scratch.
8432 (propagate_block): Don't update max_scratch.
8433 (mark_set_1): Don't increment num_scratch.
8434 * regs.h (max_scratch): Delete declaration.
8436 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
8438 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
8439 is nonzero. This is temporary!
8441 * sched.c (update_flow_info): Handle death notes made invalid by
8442 instruction splitting. Partially reverts Oct 15, 1998 patch.
8443 * haifa-sched.c (update_flow_info): Likewise.
8445 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
8447 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
8448 if it has a nonzero DECL_INITIAL.
8450 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8452 * Makefile.in (flow.o): Depend on recog.h.
8454 * cpplib.h (directive_table): Add missing initializiers.
8455 (finclude): Change type of variable `bsize' to size_t.
8457 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
8459 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
8461 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
8462 `int' when comparing against one.
8463 (cpp_file_line_for_message): Mark parameter `pfile' with
8465 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
8467 * flow.c: Include recog.h.
8468 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
8470 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
8471 `f' with ATTRIBUTE_UNUSED.
8472 (reposition_prologue_and_epilogue_notes): Likewise.
8474 * genopinit.c (gen_insn): Cast argument of ctype functions to
8477 * haifa-sched.c: Include recog.h.
8478 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
8479 comparing against one.
8481 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
8483 * mips-tfile.c (parse_end): Cast the argument of ctype function to
8485 (parse_ent): Likewise.
8486 (parse_input): Likewise.
8488 * optabs.c (init_libfuncs): Likewise.
8490 * protoize.c (find_rightmost_formals_list): Likewise.
8492 * recog.h (const_double_operand): Fix typo in prototype.
8494 * tlink.c (scan_linker_output): Cast the argument of ctype
8495 function to `unsigned char'.
8497 * toplev.c (check_lang_option): Cast the result of `strlen' to
8498 `int' when comparing against one.
8500 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
8502 * gcse.c (dump_cuid_table): Correct typo.
8504 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
8506 * toplev.c (display_help): Prepend '-m' to target specific
8508 (check_lang_option): Ignore text after end of first word of a
8509 language specific option.
8511 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8513 * reload1.c (reg_used_by_pseudo): New static variable.
8514 (choose_reload_regs): Initialize it.
8515 Use it instead of testing spill_reg_order to determine whether a
8516 pseudo is live in a hard register across the current insn.
8517 Fix a typo in a reference to reload_reg_rtx.
8519 * flow.c (propagate_block): Replace code that computes and uses
8520 regs_sometimes_live with simpler code that just walks the set of
8521 currently live registers.
8523 * Makefile.in (insn-extract.o): Fix dependencies.
8524 * genextract.c (main): Generate includes for insn-config.h and
8526 Delete generation of declarations which are now in recog.h.
8527 * genrecog.c (main): Delete generation of definitions which are
8529 * local-alloc.c (block_alloc): Use extract_insn and the variables
8530 it sets up instead of looking up values by insn_code.
8531 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
8532 recog_dup_num): Define here instead of generating the definition in
8534 (recog_n_operands, recog_n_dups, recog_n_alternatives,
8535 recog_operand_mode, recog_constraints, recog_operand_address_p):
8537 (extract_insn): New function.
8538 * recog.h (extract_insn): Declare function.
8539 (which_alternative, recog_n_operands, recog_n_dups,
8540 recog_n_alternatives, recog_operand_mode, recog_constraints,
8541 recog_operand_address_p): Declare variables.
8542 * regclass.c (n_occurrences): New static function.
8543 * reload.c (n_occurrences): Delete function.
8544 (find_reloads): Use extract_insn.
8545 * reload.h (n_occurrences): Delete declaration.
8547 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
8549 * reload1.c (reload_as_needed): Fix test for when to call
8550 update_eliminable_offsets.
8552 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8554 Fix consistency problems with reg_equiv_{mem,address};
8555 Improve reload inheritance;
8557 * reload.c (reload_out_reg): New variable.
8558 (loc_mentioned_in_p, remove_address_replacements): New functions.
8559 (remove_replacements): Deleted.
8560 (push_reload): Set reload_out_reg[i].
8561 When merging, also set reload_{in,out}_reg[i], and remove
8562 duplicate address reloads.
8563 (combine_reloads): Copy reload_out_reg[i].
8564 (find_reloads): Do make_memloc substitution also when
8565 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
8567 Include *recog_operand_loc in commutativity operand changes.
8568 Generate optional output reloads.
8569 Delete reference to n_memlocs. Don't set *recog_operand_loc before
8570 processing operands. Call make_memloc in reg_equiv_address code.
8571 Set *recog_operand_loc only after processing operands, and only
8572 if replace is true. Return a value.
8573 When changing address reload types for operands that didn't get
8574 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
8575 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
8576 Don't emit USEs for pseudo SUBREGs when not replacing.
8577 (find_reloads_address): Do make_memloc substitution also when
8578 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
8580 (find_reloads_toplev): Likewise.
8581 Call make_memloc in reg_equiv_address code.
8582 (debug_reload_to_stream): Add code to output reload_out_reg.
8583 (make_memloc): Delete local variable i, ifdefed out code, and
8584 references to memlocs and n_memlocs.
8585 (memlocs, n_memlocs): Delete.
8586 (push_secondary_reload): Clear reload_out_reg.
8587 (find_reloads_address_1): Provide memrefloc argument to all calls
8588 to find_reloads_address.
8589 In AUTO_INC code, handle non-directly addressable equivalences properly.
8590 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
8591 (find_reloads): Add return type.
8592 (remove_address_replacements, deallocate_reload_reg): Declare.
8593 * reload1.c (num_not_at_initial_offset): No longer static.
8594 (delete_address_reloads, delete_address_reloads_1): Likewise.
8595 (deallocate_reload_reg): New function.
8596 (spill_reg_stored_to): New array.
8597 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
8598 (eliminate_regs_in_insn): Move assignments of previous_offset and
8599 max_offset fields, and recalculation of num_not_at_initial_offset
8600 into new static function:
8601 (update_eliminable_offsets) .
8602 (reload_as_needed): Call update_eliminable_offsetss after calling
8604 Call forget_old_reloads_1 with contents of reloaded auto_inc
8605 expressions if the actual addressing can't be changed to match the
8607 (choose_reload_regs): For inheritance, replace
8608 reload_reg_free_before_p test with reload_reg_used_at_all test, and
8609 remove stand-alone reload_reg_used_at_all test.
8610 Use reload_out_reg to determine which reload regs have output reloads.
8611 Treat reload_override_in more similar to inherited reloads.
8612 Handle (subreg (reg... for inheritance.
8613 For flag_expensive_optimizations, add an extra pass to remove
8614 unnecessary reloads from known working inheritance.
8615 Delete obsolete code for pseudos replaced with MEMs.
8616 Handle inheritance from auto_inc expressions.
8617 (emit_reload_insns): If reload_in is a MEM, set OLD to
8619 Don't reload directly from oldequiv; if it's a pseudo with a
8620 stack slot, use reload_in[j].
8621 Check that reload_in_reg[j] is a MEM before replacing reload_in
8622 from reg_reloaded_contents.
8623 Include non-spill registers in reload inheritance processing.
8624 Also try to use reload_out_reg to set spill_reg_store /
8625 reg_last_reload_reg.
8626 In code to set new_spill_reg_store, use single_set to find out if
8627 there is a single set.
8628 Add code that allows to delete optional output reloads.
8629 Add code to allow deletion of output reloads that use no spill reg.
8630 At the end, set reload_override_in to oldequiv.
8631 Also call delete_output_reload if reload_out_reg is equal to old
8633 Add code to call delete_output_reload for stores with no matching load.
8634 Set / use spill_reg_stored_to.
8635 Handle case where secondary output reload uses a temporary, but
8636 actual store isn't found.
8637 When looking for a store of a value not loaded in order to call
8638 delete_output_reload, count_occurences should return 0 for no
8639 loads; but discount inherited input reloadill_reg_stored_to.
8640 Do checks for extra uses of REG. Changed all
8642 Use delete_address_reloads.
8643 (reload): Take return value of find_reloads into account.
8644 If a no-op set needs more than one reload, delete it.
8645 (reload_reg_free_before_p): RELOAD_FOR_INPUT
8646 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
8647 for the same operand.
8648 (clear_reload_reg_in_use): Check for other reloads that keep a
8650 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
8651 RELOAD_FOR_OPADDR_ADDR.
8652 Take into account when an address address reload is only needed
8653 for the address reload we are considering.
8654 (count_occurrences): Use rtx_equal_p for MEMs.
8655 (inc_for_reload): Return instruction that stores into RELOADREG.
8656 New argument two, IN, and rtx. Changed all callers.
8657 (calculate_needs_all_insns, reload_as_needed):
8658 Don't clear after_call for a CLOBBER.
8659 Keep track of how many hard registers need to be copied from
8660 after_call, and don't clear after_call before we have seen
8661 that much copies, or we see a different instruction.
8663 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
8665 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
8666 after reload has completed.
8668 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
8670 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
8671 a macro name and the next token with a single blank if that whitespace
8672 is in a macro buffer and the next token is not '('.
8674 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
8676 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
8678 (skip_if_group): Ditto.
8679 (skip_to_end_of_comment): Ditto.
8681 (discard_comments): Ditto.
8682 (change_newlines): Ditto.
8684 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
8686 * c-lex.c (yylex): Fix unaligned access of wchar_t.
8688 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
8690 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
8691 (TARGET_OPTIONS): Add --help documentation.
8693 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8695 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
8697 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
8699 * fixinc/* Moved in from ../contrib directory in preparation
8700 for integrating it into the normal build process. In particular,
8701 fixinc/Makefile.in must be config-ed into the build directory
8702 as fixinc/Makefile. Proposed patches to ./Makefile.in and
8703 ./configure.in will be "in the mail" momentarily.
8705 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
8707 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
8708 accidently walk into the free list. Comment how that can happen.
8709 (invalidate): Fix indentation.
8711 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8712 Jeffrey A Law (law@cygnus.com)
8714 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
8715 reload. Never perform rescans of the insn chain after reload.
8716 (propagate_block): Do not delete insn or create new autoinc addressing
8719 * jump.c (jump_optimize): Unconditionally use the code that was
8720 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
8721 * reload1.c (reload): When reloading is finished, delete all
8722 REG_DEAD and REG_UNUSED notes.
8723 (emit_reload_insns): Delete all code that was conditional on
8724 PRESERVE_DEATH_INFO_REGNO_P.
8725 (no_longer_dead_regs): Delete variable.
8726 (reload_cse_delete_death_notes): Delete function.
8727 (reload_cse_no_longer_dead): Delete function.
8728 (reload_cse_regs_1): Delete all code to handle deletion of death
8730 (reload_cse_noop_set_p): Likewise.
8731 (reload_cse_simplify_set): Likewise.
8732 (reload_cse_simplify_operands): Likewise.
8733 (reload_cse_move2add): Likewise.
8734 * reorg.c (used_spill_regs): Delete declaration.
8735 (max_label_num_after_reload): Delete declaration.
8736 (find_dead_or_set_registers): Don't assume that spill regs are
8737 dead at a CODE_LABEL.
8738 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
8740 * sched.c (sched_analyze_insn): Likewise.
8741 (update_flow_info): Likewise.
8742 * haifa-sched.c (sched_analyze_insn): Likewise.
8743 (update_flow_info): Likewise.
8744 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
8745 * toplev.c (max_label_num_after_reload): Delete variable.
8746 (rest_of_compilation): Don't set max_label_num_after_reload.
8747 Call life_analysis after reload_cse_regs if optimizing.
8748 * config/gmicro/gmicro.h: Delete comment referring to
8749 PRESERVE_DEATH_INFO_REGNO_P.
8750 * config/i386/i386.h: Likewise.
8751 * config/m88k/m88k.h: Likewise.
8752 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
8753 * config/sh/sh.h: Likewise.
8755 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@gnu.org>
8757 * loop.c (strength_reduce): Restore marking bct_p as
8759 * rs6000.c (optimization_options): Change #ifdef HAIFA to
8760 HAVE_decrement_and_branch_on_count.
8761 (small_data_operand): Remove TARGET_ELF condition for marking
8762 parameters ATTRIBUTE_UNUSED.
8764 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
8766 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
8767 (SELECT_SECTION): Resync with svr4.h.
8769 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@gnu.org>
8771 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
8774 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
8776 * c-pragma.c (handle_pragma_token): Test for null tree before
8777 dereferencing TREE_CODE.
8779 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8781 * config/c4x/c4x.c: Convert to use GEN_INT.
8782 (c4x_parallel_process): Rework to handle new repeat loop structure.
8784 * config/c4x/c4x.md: Convert to use GEN_INT.
8785 (rptb_end): Convert to use GE test. Replace uses with clobbers.
8786 (decrement_and_branch_on_count): Likewise.
8788 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
8789 loop.c has the desired functionality.
8790 (rc_reg_operand): New prototype.
8792 * config/c4x/t-c4x: Can now build all front ends.
8794 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
8796 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
8798 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
8800 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
8801 * config/t-rtems: Do not install assert.h -- use newlib's.
8803 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8805 * combine.c (combine_instructions): When finished, call init_recog.
8806 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
8808 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
8810 * toplev.c: If flag_syntax_only, don't open or write assembler file.
8812 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8814 * cppalloc.c (memory_full): Mark function prototype with
8817 * demangle.h (collect_exit): Likewise.
8819 * fix-header.c (v_fatal, fatal): Likewise.
8821 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
8824 * gcov.c (print_usage): Likewise.
8826 * genattr.c (fatal, fancy_abort): Likewise.
8828 * genattrtab.c (fatal, fancy_abort): Likewise.
8830 * gencodes.c (fatal, fancy_abort): Likewise.
8832 * genconfig.c (fatal, fancy_abort): Likewise.
8834 * genemit.c (fatal, fancy_abort): Likewise.
8836 * genextract.c (fatal, fancy_abort): Likewise.
8838 * genflags.c (fatal, fancy_abort): Likewise.
8840 * genopinit.c (fatal, fancy_abort): Likewise.
8842 * genoutput.c (fatal, fancy_abort): Likewise.
8844 * genpeep.c (fatal, fancy_abort): Likewise.
8846 * genrecog.c (fatal, fancy_abort): Likewise.
8848 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
8849 __sjpopnthrow, __throw): Likewise.
8851 * objc/objc-act.c (objc_fatal): Likewise.
8853 * protoize.c (usage, aux_info_corrupted,
8854 declare_source_confusing): Likewise.
8856 * rtl.c (dump_and_abort): Likewise.
8858 * rtl.h (sets_cc0_p): Likewise.
8860 * toplev.c (float_signal, pipe_closed): Likewise.
8862 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
8864 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
8865 when generating the decision tree for the general case.
8867 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
8868 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
8870 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8872 * Makefile.in (sched.o): Depend on recog.h.
8874 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
8875 (unsigned) when comparing against one.
8876 (find_base_value): Likewise.
8877 (record_base_value): Cast variable `regno' to (unsigned) when
8878 comparing against one. Cast the result of REGNO() macro to
8879 (unsigned) when comparing against one.
8880 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
8882 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
8883 variable where an unsigned index is needed.
8885 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
8886 before comparing against one.
8888 * collect2.c: Add prototypes for functions `error', `fatal' and
8889 `fatal_perror'. Make these functions take variable arguments
8890 instead of faking it with a fixed number of args.
8891 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
8894 * combine.c (can_combine_p): Mark parameter `pred' with
8896 (find_split_point): Cast variable `src' to (unsigned
8897 HOST_WIDE_INT) when comparing against one.
8898 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
8899 (simplify_logical): Likewise.
8900 (force_to_mode): Cast result of INTVAL() macro to (unsigned
8901 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
8902 HOST_WIDE_INT) in shift.
8903 (simplify_and_const_int): Cast result of INTVAL() macro to
8904 `unsigned HOST_WIDE_INT' when comparing against one.
8905 (merge_outer_ops): Cast variable const0 to `unsigned
8906 HOST_WIDE_INT' when comparing against the result of
8907 GET_MODE_MASK() macro.
8908 (simplify_comparison): Likewise for variable `c0'. Cast variable
8909 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
8910 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
8911 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
8912 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
8913 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
8914 comparing against one.
8915 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
8917 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
8918 macro to `unsigned HOST_WIDE_INT' when comparing against one.
8919 (output_block_move): Cast `sizeof' expression to (int) when
8920 comparing against one.
8921 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
8923 (save_restore_insns): Cast `base_offset' to `long' to match format
8924 specifier in fprintf.
8926 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
8927 to `enum machine_mode'.
8929 * flow.c (life_analysis_1): Remove unused variable `insn'.
8931 * gcc.c (translate_options): Move variables `j' and `k' into the
8932 scope in which they are used. Change their types to `size_t'.
8933 (set_spec): Cast the argument of ctype macro to `unsigned char'.
8934 (read_specs): Likewise.
8935 (process_command): Cast `sizeof' to (int) when comparing against one.
8936 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
8937 (handle_braces): Cast both sides of `==' expression to `long' to
8938 ensure sign matching.
8939 (main): Cast variable `i' to `int' when comparing against one.
8941 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
8942 int to size_t. Cast variable `i' to size_t when comparing against
8945 * genattrtab.c (convert_set_attr_alternative): Remove unused
8946 parameter `insn_code'. All callers changed.
8947 (convert_set_attr): Likewise.
8949 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
8950 size_t when comparing against one. Likewise for variable `len'.
8952 * global.c (global_alloc): Cast variable `max_regno' to size_t
8953 when comparing against one. Likewise for variable `max_allocno'.
8955 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
8957 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
8958 `set' with ATTRIBUTE_UNUSED.
8959 (find_free_reg): Cast `sizeof' expression to (int) when comparing
8962 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
8963 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
8964 (get_condition): Cast variable `const_val' to `unsigned
8965 HOST_WIDE_INT' when comparing against one. Cast unsigned
8966 expression to HOST_WIDE_INT when comparing against one.
8967 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
8968 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
8969 `unsigned' when comparing against one.
8971 * protoize.c (is_id_char): Change type of parameter `ch' to
8973 (munge_compile_params): Cast argument of ctype macro to (const
8975 (process_aux_info_file): Cast variable `aux_info_size' to int when
8976 comparing against one.
8977 (forward_to_next_token_char): Cast argument of ctype macro to
8978 `const unsigned char'.
8979 (edit_formals_lists): Likewise.
8980 (find_rightmost_formals_list): Likewise.
8981 (add_local_decl): Likewise.
8982 (add_global_decls): Likewise.
8983 (edit_fn_definition): Likewise.
8984 (do_cleaning): Likewise.
8985 (scan_for_missed_items): Likewise.
8986 (edit_file): Cast variable `orig_size' to (int) when comparing
8988 (main): Cast argument of ctype macro to `const unsigned char'.
8990 * recog.c (const_int_operand): Mark parameter `mode' with
8993 * regclass.c (record_reg_classes): Change type of variable `c' to
8994 `unsigned char'. Cast `char' array index to `unsigned char'.
8996 * reload.c (push_secondary_reload): Cast argument to
8997 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
8999 * reload1.c (calculate_needs): Cast `char' array index to
9001 (set_label_offsets): Change type of variable `i' to unsigned int.
9002 Cast result of XVECLEN() macro to unsigned when comparing against
9004 (mark_not_eliminable): Change type of variable `i' to unsigned.
9005 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
9006 when comparing against one.
9007 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
9008 comparing against one.
9009 (choose_reload_regs): Hide unused label `fail'.
9010 (reload_cse_simplify_operands): Cast `char' array index to
9012 (reload_combine_note_store): Mark parameter `set' with
9013 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
9015 (reload_cse_move2add): Remove unused variable `src2'.
9017 * sched.c: Include recog.h.
9018 (sched_note_set): Remove unused parameter `b'. All callers
9020 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
9021 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
9022 when comparing against one.
9024 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
9025 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
9026 comparing against one.
9028 * unroll.c (precondition_loop_p): Remove unused parameter
9029 `loop_end'. All callers changed.
9031 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
9033 * reload1.c (maybe_fix_stack_asms): New static function.
9036 * reload.h (compute_use_by_pseudos): Declare.
9038 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
9039 (something_needs_reloads): Delete variable.
9040 (finish_spills): New function.
9041 (compute_use_by_pseudos): New function.
9043 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
9044 Use the reload_insn_chain instead of walking the rtl directly.
9046 (reload): Allocate and free spilled_pseudos.
9047 Ensure that all calls of spill_hard_reg are followed by a call to
9049 Use the insns_need_reload list instead of something_needs_reloads
9050 to find out if reload_as_needed must be called.
9051 Clear unused_insn_chains at the end.
9053 (calculate_needs_all_insns): Lose FIRST parameter. All callers
9055 Delete code to keep track of current basic block.
9056 Walk reload_insn_chain instead of the rtl structure. Build the
9057 insns_need_reload chain.
9058 Remember which insns need reloading/elimination by setting the
9059 appropriate fields in struct insn_chain, not by putting modes on the
9062 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
9063 arg INSN. All callers changed.
9064 Delete declaration of struct needs.
9065 Don't set something_needs_reloads.
9066 Record insn needs in the CHAIN argument.
9068 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
9070 (reload_as_needed): Lose FIRST arg. All callers changed.
9071 Walk the reload_insn_chain instead of the rtx structure.
9072 Delete code to keep track of current basic block.
9073 Rename one of the NEXT variables to OLD_NEXT.
9075 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
9077 (choose_reload_regs): Likewise.
9079 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
9082 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
9083 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
9084 (hard_regs_live, hard_regs_need_restore): Delete variables.
9085 (n_regs_saved): Now static.
9086 (referenced_regs, this_insn_sets): New variables.
9088 (setup_save_areas): Restructure the code a bit.
9090 (restore_referenced_regs): Delete function.
9091 (mark_referenced_regs): New function, similar to the old
9092 restore_referenced_regs, but mark registers in referenced_regs.
9094 (clear_reg_live): Delete function.
9095 (mark_set_regs): Renamed from set_reg_live. All callers changed.
9096 Only mark registers in this_insn_sets.
9098 (save_call_clobbered_regs): Rework this function to walk the
9099 reload_insn_chain instead of using the list of instructions directly.
9100 Delete code to keep track of register lives, compute live regs on the
9101 fly from information in the chain.
9102 Instead of calling restore_referenced_regs, use mark_referenced_regs,
9103 then walk the set it computes and call insert_restore as appropriate.
9105 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
9107 Restructure the code a bit. Test hard_regs_saved instead of
9108 hard_regs_need_restore.
9109 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
9110 args. All callers changed.
9111 Restructure the code a bit. Use TO_SAVE to determine which regs to
9112 save instead of more complicated test.
9113 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
9115 Create a new insn_chain structure for the new insn and place it
9118 * rtl.texi: Update documentation to reflect that reload no longer
9119 puts modes on the insns.
9121 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
9123 * function.c (purge_addressof_1): Force the first argument of a
9124 CALL insn to memory.
9126 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
9128 * rtl.h: Delete duplicate prototypes. Add some missing
9130 * rtlanal.c: (for_each_rtx): Formatting tweak.
9132 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9134 * real.c (emdnorm and etoasc): Disable round to even for c4x target
9135 to be compatible with TI compiler.
9137 * Makefile.in (USER_H): Add va-c4x.h to definition.
9139 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
9141 * function.c (purge_addressof_1): Fix typo in inequality: do
9142 bitfield optimization for equal mode sizes.
9143 * expmed.c (store_bit_field): Don't take subregs of subregs in
9144 the movstrict case. Tidy a potential problem in the multi-word case.
9145 (extract_bit_field): Likewise.
9147 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
9149 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
9151 Compute max_uid_for_flow by calling get_max_uid after the scan.
9152 (find_basic_blocks_1): Don't emit NOPs here.
9154 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
9156 * alias.c (base_alias_check): Accept new args for the modes of the
9157 two references. Use them to determine if an AND can overlap. Update
9159 (memrefs_conflict_p): Assume sizes are aligned, and uses them
9160 to determine if an AND can overlap.
9162 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
9164 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
9165 check. Add comment to document problems with TARGET_SUN_FPA version
9167 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
9169 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9171 * Makefile.in (gencheck.o): Depend on gansidecl.h.
9173 * c-common.c (print_char_table): Add missing initializers.
9174 (scan_char_table): Likewise.
9175 (time_char_table): Likewise.
9177 * c-decl.c (c_decode_option): Mark parameter `argc' with
9179 (declare_parm_level): Mark parameter `definition_flag' with
9182 * c-lex.c (readescape): Use `(unsigned)1' in shift.
9183 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
9186 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
9188 (emit_call_1): Mark parameters `fndecl' and `funtype' with
9190 (expand_call): Cast result of MIN() to (unsigned int) when
9191 comparing against an unsigned value.
9193 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
9195 (make_definition): Remove unused parameter `op'. All callers
9197 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
9198 comparing against the result of pointer arithmetic.
9200 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
9201 when comparing against one.
9203 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
9204 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
9206 (output_die): Move variable `i' into the scope in which it is
9207 used. Change its type to `unsigned'.
9208 (output_die): Cast the result of `strlen' to (int) when passing it
9209 to ASM_OUTPUT_ASCII().
9210 (output_pubnames): Likewise.
9211 (output_line_info): Likewise.
9213 * emit-rtl.c (global_rtl): Add missing initializers.
9215 * explow.c (promote_mode): Mark parameter `for_call' with
9218 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
9219 `unsigned HOST_WIDE_INT' when comparing against one.
9220 (synth_mult): Change type of variable `cost' to int.
9221 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
9223 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
9224 when comparing against one.
9225 (get_inner_reference): Change variable `alignment' to unsigned.
9226 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
9227 int) when comparing against one.
9228 (expand_builtin_setjmp): Change type of variable `i' to size_t.
9230 * fold-const.c (div_and_round_double): Cast BASE to
9231 (HOST_WIDE_INT) when comparing against one.
9233 * gencheck.c: Include gansidecl.h.
9234 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
9236 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
9237 `tcode' with ATTRIBUTE_UNUSED.
9239 * real.c (edivm): Cast constant value to (unsigned long) in
9240 expression compared against an unsigned value.
9242 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
9243 comparing against one.
9244 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
9245 when comparing against one.
9247 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
9248 (unsigned int) when comparing against one. Likewise for
9250 (smallest_mode_for_size): Likewise.
9251 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
9252 (restore_storage_status): Likewise.
9254 * toplev.c (debug_args): Add missing initializer.
9255 (f_options): Spelling correction. Add missing initializers.
9256 (documented_lang_options): Likewise.
9257 (debug_end_source_file): Mark parameter `lineno' with
9260 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
9261 `decl' and `type' with ATTRIBUTE_UNUSED.
9263 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
9264 when comparing against one.
9265 (assemble_variable): Mark parameter `top_level' with
9267 (assemble_external_libcall): Mark parameter `fun' with
9269 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
9272 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
9274 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
9275 Replace use of r5 with use of r19.
9277 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
9279 * config/v850/v850.c (compute_register_save_size): Allow for the
9280 fact that helper functions save all registers, not just those used
9283 Replace constant 31 with macro LINK_POINTER_REGNUM.
9285 * config/v850/v850.md: Use 'indirect_operand' rather than
9286 'memory_operand' for bit test/set/clear patterns.
9288 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
9290 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
9291 * varasm.c (assemble_start_function et al): Don't call
9292 ASM_GLOBALIZE_LABEL for weak symbols.
9294 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
9296 * cse.c (equiv_constant): Check for NULL return from
9297 gen_lowpart_if_possible().
9299 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
9301 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
9303 * collect2.c (main): Pass -EL/-EB through to the compiler.
9305 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9307 * expr.c (push_block): Handle targets where the stack grows
9308 to higher addresses, but args grow to lower addresses and
9309 ACCUMULATE_OUTGOING_ARGS is not defined.
9311 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
9313 * config/v850/v850.c (print_operand): Extend meaning
9314 of 'c' operands to support .vtinherit.
9316 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9318 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
9319 Added ATTRIBUTE_UNUSED to unused function arguments.
9320 (rc_reg_operand): New predicate.
9321 (c4x_rptb_insert): New function.
9322 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
9323 (c4x_optimization_options): New function.
9325 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
9326 (decrement_and_branch_on_count): New pattern.
9327 (rptb_top): Modified pattern to work with BCT optimization.
9329 * config/c4x/c4x.h (RC_REG): New register class.
9330 (rc_reg_operand): Define prototype.
9331 (IS_RC_REG): New macro.
9332 (IS_RC_OR_PSEUDO_REG): New macro.
9333 (IS_RC_OR_PSEUDO_REGNO): New macro.
9334 (OPTIMIZATION_OPTIONS): Define.
9336 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
9338 * collect2.c (extract_init_priority): No priority is 65535.
9340 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
9342 * Makefile.in (build_tooldir): new variable, same as old
9343 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
9344 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
9345 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
9347 * configure.in (gxx_include_dir): set default based on unlibsubdir
9348 * Makefile.in (tooldir): ditto
9349 (cccp.o, cpplib.o): use unlibsubdir implicitly through
9350 gxx_include_dir, includedir and tooldir
9351 (protoize.o, unprotoize.o): ditto
9353 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
9355 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
9357 * config/arm/thumb.c (thumb_override_options): Add warning about
9358 PIC code not being supported just yet.
9360 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
9362 * flow.c: Update comment.
9363 (notice_stack_pointer_modification): New static function.
9364 (record_volatile_insns): Use it.
9365 (mark_regs_live_at_end): Mark the stack pointer as alive
9366 at the end of the function if current_function_sp_is_unchanging
9368 (life_analysis_1): Set current_function_sp_is_unchanging.
9369 * function.c: Define it.
9370 (init_function_start): Initialize it.
9371 * output.h: Declare it.
9372 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
9373 the stack pointer as alive at the end of the function if
9374 current_function_sp_is_unchanging is set.
9375 * i386.c (ix86_epilogue): Optimize the restoring
9376 of the stack pointer.
9378 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
9380 * version.c: Bump for snapshot.
9382 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
9384 * c-pragma.c (handle_pragma_token): If passed a token instead
9385 of a tree, use that as the pack value.
9387 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
9389 * flow.c (find_basic_blocks_1): Fix prototype.
9391 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
9393 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
9394 (struct tree_decl): New fields no_check_memory_usage.
9395 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
9396 (init_attributes): Register it as a new attribute.
9397 (decl_attributes): Set flags on functions given that attribute.
9398 * c-decl.c (duplicate_decls): Merge new attribute.
9399 * expr.h (current_function_check_memory_usage): Declare new var.
9400 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
9401 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
9402 current_function_check_memory_usage.
9403 * function.h: Add field to struct function.
9404 * function.c (current_function_check_memory_usage): Define it.
9405 (push_function_context_to, pop_function_context_from): Save and
9407 (expand_function_start): Set it, based on global flag and function
9410 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
9411 check non-automatic variables, to permit detection of writes to
9412 read-only locations in embedded systems without memory management.
9413 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
9414 when emitting chkr_set_right_libfunc call, even if the argument is
9415 BLKmode or variable-sized; don't abort.
9417 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
9418 symbols in Pmode, not VOIDmode.
9420 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
9422 * cppexp.c: When forcing unsigned comparisons, cast both sides
9425 * cpphash.h: Move static declaration of hashtab[]...
9426 * cpphash.c: ...here.
9428 * cpplib.c: Cast difference of two pointers to size_t before
9429 comparing it to size_t. Cast signed to unsigned
9430 before comparing to size_t. (FIXME: struct argdata should use
9431 unsigned buffer sizes.)
9432 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
9433 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
9434 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
9435 size_t before comparison.
9437 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
9439 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
9440 (find_basic_blocks_1): Similarly.
9441 * output.h (find_basic_blocks): Fix prototype.
9442 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
9443 find_basic_blocks anymore.
9445 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
9447 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
9448 (sbitmap_free, sbitmap_vector_free): New macros.
9449 * output.h (rtl_dump_file): Declare.
9451 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
9453 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
9455 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9457 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
9459 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
9460 (divide): Remove unused variable `tmp'.
9461 (si_to_float): Cast numeric constant to (SItype) before comparing
9464 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
9466 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
9467 * gcc.c (add_preprocessor_option): Correct typo when allocating
9468 memory, sizeof() argument had one too many `*'.
9469 (add_assembler_option): Likewise.
9470 (add_linker_option): Likewise.
9471 * gcov.c (output_data): Likewise.
9472 * local-alloc.c (memref_used_between_p): Likewise.
9473 (update_equiv_regs): Likewise.
9474 * loop.c (strength_reduce): Likewise.
9475 * reg-stack.c (record_asm_reg_life): Likewise.
9476 (subst_asm_stack_reg): Likewise.
9477 * reorg.c (dbr_schedule): Likewise.
9479 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9481 * flow.c (life_analysis_1): Break out some functions.
9482 (find_basic_blocks_1): Likewise. Also move some variables out and
9484 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
9485 new static var nonlocal_label_list with it.
9486 (active_eh_region, nested_eh_region, label_value_list,
9487 nonlocal_label_list): New static variables.
9488 (make_edges, delete_unreachable_blocks, delete_block): New static
9489 functions, broken out of find_basic_blocks_1.
9490 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
9491 noop_move_p): New static functions, broken out of life_analysis_1.
9493 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
9495 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
9496 Take extra care for op0 now possibly being a subreg.
9497 (extract_bit_field): Likewise.
9498 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
9499 the reg to memory if there is no equal sized integral mode.
9500 * stor-layout.c (int_mode_for_mode): New function.
9501 * machmode.h: Prototype it.
9503 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
9505 * global.c (build_insn_chain): Verify no real insns exist past the
9506 end of the last basic block, then exit the loop.
9508 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@gnu.org>
9510 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
9512 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
9514 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
9516 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@gnu.org>
9518 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
9520 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
9522 * flow.c (find_basic_blocks): Correctly determine when a call
9523 is within an exception region.
9525 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
9527 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
9529 * cpplib.h: Protect from multiple inclusions.
9530 * cpplib.c: Fix minor formatting problems.
9532 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
9534 * jump.c (jump_optimize): Revert accidental patch.
9536 * Makefile.in (cpplib.o): Use unlibsubdir.
9538 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
9540 * loop.c (get_condition): Allow combine when either compare is
9543 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
9545 * version.c: Bump for snapshot.
9547 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
9549 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
9550 (init_lex): Initialize ridpointers[RID_BYREF].
9551 * c-lex.h (enum rid): Add RID_BYREF.
9552 * c-parse.gperf: Add RID_BYREF as a type qualifier.
9553 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
9554 (encode_type_qualifiers): Similarly
9555 * c-gperf.h: Rebuilt.
9557 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
9559 * c-common.c (type_for_mode): Only return TItype nodes when
9560 HOST_BITS_PER_WIDE_INT is >= 64 bits.
9561 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
9562 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
9563 (init_decl_processing): Only create TItype nodes when
9564 HOST_BITS_PER_WIDE_INT is >= 64 bits.
9565 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
9566 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
9568 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9570 * stmt.c (n_occurrences): New static function.
9571 (expand_asm_operands): Verify that all constrains match in the
9572 number of alternatives.
9573 Verify that '+' or '=' are at the beginning of an output constraint.
9574 Don't allow '&' for input operands.
9575 Verify that '%' isn't written for the last operand.
9576 * reload.c (find_reloads): Abort if an asm is found with invalid
9577 constraints; all possible problems ought to be checked for earlier.
9579 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9581 * flags.h (flag_branch_on_count_reg): Always declare
9582 * toplev.c (flag_branch_on_count_reg): Likewise.
9583 * toplev.c: Fix typos.
9585 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
9588 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
9590 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
9592 (find_basic_blocks_1): Add a nop to the end of a basic block when
9593 a trailing call insn does not have abnormal control flow.
9594 * gcse.c (pre_transpout): New variable.
9595 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
9596 (compute_pre_transpout): Calculate it.
9597 (compute_pre_ppinout): Use it to eliminate impossible placements
9598 due to abnormal control flow through calls.
9599 (compute_pre_data): Call compute_pre_transpout.
9601 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9603 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
9605 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
9607 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
9608 and matching define_insns): Tack on a `use' of the table label, so
9609 flow analysis will recognize a tablejump.
9611 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
9613 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
9614 always end basic blocks for abnormal edge reasons.
9616 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
9618 * config/i386/i386.h: Remove definition of
9619 HANDLE_PRAGMA_PACK_PUSH_POP.
9621 * config/i386/go32.h: Add definition of
9622 HANDLE_PRAGMA_PACK_PUSH_POP.
9624 * config/i386/win32.h: Add definition of
9625 HANDLE_PRAGMA_PACK_PUSH_POP.
9627 * config/i386/cygwin32.h: Add definition of
9628 HANDLE_PRAGMA_PACK_PUSH_POP.
9630 * c-pragma.c (insert_pack_attributes): Do not insert
9631 attributes unless #pragma pack(push,<n>) is in effect.
9633 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
9635 * expr.c (emit_group_store): Handle a PARALLEL destination.
9637 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
9639 * gcse.c (pre_insert_insn): When a call ends a bb, insert
9640 the new insns before the argument regs are loaded.
9642 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9644 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
9645 (c-parse.gperf): Update comments describing invocation flags.
9646 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
9648 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
9650 * reload1.c (reload): Call free before clobbering the memory
9651 locations or constants pointers.
9653 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9655 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
9656 for efficiency by checking whether we need to modify the current
9657 stack permission at all.
9658 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
9659 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
9660 __enable_execute_stack libcall here too if
9661 TRANSFER_FROM_TRAMPOLINE is defined.
9662 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
9665 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
9667 * Makefile.in (DRIVER_DEFINES): Remove last change.
9669 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9671 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
9672 insns we're going to copy.
9673 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
9675 * loop.c (count_one_set): Add prototype.
9677 * caller-save.c (restore_referenced_regs): Lose mode argument.
9678 (insert_save): Lose mode argument.
9679 (insert_restore): Lose mode argument.
9680 (insert_one_insn): Lose mode argument.
9681 (save_call_clobbered_regs): Lose mode argument.
9682 (setup_save_areas): Take no argument and return void. All callers
9684 Don't verify validity of memory addresses.
9685 * reload.h (setup_save_ares): Adjust prototype.
9686 (save_call_clobbered_regs): Likewise.
9687 * reload1.c (delete_caller_save_insns): New function.
9688 (caller_save_spill_class): Delete variable.
9689 (caller_save_group_size): Delete variable.
9690 (reload): Call setup_save_areas and save_call_clobbered_regs
9691 in the main loop, before calling calculate_needs_all_insns.
9692 Don't call save_call_clobbered_regs after the loop.
9693 Call delete_caller_save_insns at the end of an iteration if
9695 Delete code to manage caller_save_spill_class.
9696 Emit the final note before setting reload_first_uid.
9697 Simplify test that determines whether reload_as_needed gets run.
9698 (calculate_needs): Delete code to manage caller_save_spill_class.
9700 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
9702 * collect2.c (main): Initialize ld_file_name.
9704 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
9706 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
9707 check for flag_function_sections.
9709 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9711 * cse.c (insert_regs): Fix bug in Sep 24 change.
9713 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9715 * flags.h (flag_dump_unnumbered): Declare.
9716 * toplev.c (flag_dump_unnumbered): Don't declare.
9717 * print-rtl.c (flags.h): Include.
9718 (print_rtl_single): Add return value.
9719 * rtl.h (print_rtl_single): Update declaration.
9720 * flow.c (flag_dump_unnumbered): Don't declare.
9721 (print_rtl_with_bb): Use return value of print_rtl_single.
9723 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9725 * loop.c (count_one_set): New static function, broken out of
9727 (count_loop_regs_set): Call it.
9728 * global.c (mark_reg_store): Handle clobbers here by not calling
9730 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
9731 is in fact a clobber.
9732 * integrate.c (process_reg_param): New function, broken out of
9733 expand_inline_function.
9734 (expand_inline_function): Call it.
9737 * i386.md (addsidi3_1): Delete unused variable temp.
9738 (addsidi3_2): Likewise.
9739 (clstrstrsi): Delete unused variable addr1.
9741 * rtl.h: Don't declare any functions also declared in recog.h.
9743 * Makefile.in (stupid.o): Update dependencies.
9744 (global.o): Likewise.
9746 * global.c: Include reload.h
9747 (reg_becomes_live): New function.
9748 (reg_dies): New function.
9749 (build_insn_chain): New function.
9750 (global_alloc): Call build_insn_chain before calling reload.
9752 * reload.h (struct needs): New structure definition.
9753 (struct insn_chain): Likewise.
9754 (reload_insn_chain): Declare variable.
9755 (new_insn_chain): Declare function.
9758 * reload1.c (reload_startobj): New variable.
9759 (reload_insn_chain): New variable.
9760 (unused_insn_chains): New variable.
9761 (new_insn_chain): New function.
9762 (init_reload): Initialize reload_startobj, not reload_firstobj.
9763 (reload): Initialize reload_firstobj.
9764 Before returning, free everything on the reload_obstack.
9766 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
9767 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
9768 current_chain): New variables.
9769 (reg_where_born): Delete variable.
9770 (REG_WHERE_BORN): New macro.
9771 (find_clobbered_regs): New function.
9772 (stupid_life_analysis): Don't allocate/free reg_where_born.
9773 Allocate and free reg_where_born_exact, reg_where_born_clobber,
9774 reg_where_dead_chain.
9775 Use REG_WHERE_BORN instead of reg_where_born.
9776 While processing the insns, build the reload_insn_chain with
9777 information about register lifetimes.
9778 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
9779 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
9781 Compute and information about birth and death of pseudo registers in
9782 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
9783 Delete code to set elements of reg_where_born.
9785 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
9787 * tree.def (GOTO_EXPR): Modified documentation.
9788 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
9791 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@gnu.org>
9793 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
9794 loop_final_value, loop_comparison_code): No longer static.
9795 (unroll_loop): Delete loop_start_value update.
9796 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
9797 loop_final_value, loop_comparison_code): Extern.
9798 (loop_start_value): Delete extern.
9799 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
9800 loop_comparison_value, loop_comparison_code): Delete.
9801 (loop_optimize): Remove initialization for deleted variables.
9802 (strength_reduce): Delete analyze_loop_iterations call. Only call
9803 insert_bct if flag_branch_count_on_reg set.
9804 (analyze_loop_iterations): Delete.
9805 (insert_bct): Remove iteration count calculation. Move checks for
9806 viable BCT optimization to here. Obtain iteration count from
9807 loop_iterations and correct for unrolling. Check for enough
9808 iteration to be beneficial. Comment out runtime iteration count
9810 (insert_bct): Print iteration count in dump file. Remove
9811 loop_var_mode and use word_mode directly.
9813 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
9814 * rs6000.c (rs6000_override_options): Use it.
9815 (optimization_options): Enable use of flag_branch_on_count_reg.
9816 * rs6000.md (define_function_unit): Describe 604e.
9818 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9820 * loop.c (move_movables): Corrected threshold calculation for
9821 moved_once registers.
9823 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9825 * loop.c (combine_givs_p): Fix test for identical givs.
9827 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
9829 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
9830 call abort if the function is already defined.
9832 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
9834 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
9835 truncation is not a no-op.
9837 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
9839 * version.c: Bump for snapshot.
9841 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
9843 * version.c: Bump for snapshot.
9845 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
9847 * expmed.c (expand_divmod): Don't widen for computing remainder
9848 if we seem to have a divmod pattern for needed mode.
9850 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
9852 * cpplib.c (macroexpand): Correct off-by-one error in handling
9855 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
9857 * combine.c (expand_field_assignment): Don't do bitwise operations
9858 on MODE_FLOAT; pun to MODE_INT if possible.
9860 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
9861 scott snyder <snyder@d0sgif.fnal.gov>
9863 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
9864 linker. Recognize mangled names in quotes.
9866 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
9868 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
9869 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
9870 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
9871 (lshrsi3_extend, lshrsi3_extend2): Ditto.
9873 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9875 * function.c (purge_addressof_1): If trying to take a sub-word
9876 integral piece of a floating point mode, put it on the stack.
9878 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
9880 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
9882 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
9884 * PROJECTS: Remove template friends.
9886 * collect2.c (sort_ids): Remove unused variable.
9888 * tm.texi (MATH_LIBRARY): Document.
9889 (NEED_MATH_LIBRARY): Remove.
9891 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
9892 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
9894 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
9896 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
9897 last_end to 0x7fffffff.
9899 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9901 * function.c (purge_addressof_1): Do not perform endianness
9902 corrections on bitpos, who we call will do it for us.
9904 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
9906 * h8300.c (WORD_REG_USED): Fix typo.
9907 (initial_offset): Use WORD_REG_USED.
9909 * h8300.c (handle_pragma): Fix typo.
9911 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9913 * caller-save.c (insert_save_restore): Break this function up
9914 into new functions insert_restore, insert_save and insert_one_insn.
9915 All callers changed.
9916 (insert_restore): New function, mostly broken out of
9917 insert_save_restore.
9918 (insert_save): Likewise.
9919 (insert_one_insn): Likewise.
9920 (restore_referenced_regs): New argument BLOCK. All callers changed.
9921 (save_call_clobbered_regs): Don't keep track of basic block boundaries
9922 in this function, do it in insert_one_insn instead.
9924 * reload1.c (reload): Break out some more pieces into separate
9926 (dump_needs): New function, broken out of reload.
9927 (set_initial_elim_offsets): Likewise.
9928 (init_elim_table): Likewise.
9929 (update_eliminables): Likewise.
9931 * global.c (global_alloc): Delete code to manage the scratch_list.
9932 * local-alloc.c (qty_scratch_rtx): Delete.
9933 (scratch_block): Delete.
9934 (scratch_list): Delete.
9935 (scratch_list_length): Delete.
9936 (scratch_index): Delete.
9937 (alloc_qty_for_scratch): Delete.
9938 (local-alloc): Update initialization of max_qty.
9939 Delete code to manage the scratch list.
9940 Delete code to allocate/initialize qty_scratch_rtx.
9941 (block_alloc): Don't allocate quantities for scratches.
9942 Delete code to manage the scratch list.
9943 * regs.h (scratch_list): Delete declaration.
9944 (scratch_block): Delete declaration.
9945 (scratch_list_length): Delete declaration.
9946 * reload1.c (reload): Delete code to manage the scratch list.
9947 (spill_hard_reg): Likewise.
9948 (mark_scratch_live): Delete.
9950 * recog.c (alter_subreg): Delete declaration.
9952 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
9954 * Makefile.in (cccp.o): Fix typo in last patch.
9956 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9958 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
9959 * config/sh/lib1funcs.asm (___set_fpscr): Add.
9961 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
9963 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
9964 NULL_RTX as an argument.
9966 * Makefile.in (unlibsubdir): Define.
9967 (DRIVER_DEFINES): Use unlibsubdir.
9968 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
9969 (stmp-fixinc): Similarly.
9971 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9973 * regmove.c (regmove_optimize): Add variable old_max_uid.
9974 At the end of the function, update basic_block_end.
9976 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9978 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
9979 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
9982 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
9984 * config/arm/arm.c: Improve interworking support.
9986 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9988 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
9989 copied from reload_out[r] .
9991 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
9993 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
9994 with more than three size ranges.
9996 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
9998 * rtl.c (mode_name): Add a null string at the end of the array.
9999 (mode_wider_mode): Change type to unsigned char.
10000 (mode_mask_array): New variable.
10001 (init_rtl): Update for mode_wider_mode type change.
10003 * rtl.h (mode_wider_mode): Change type to unsigned char.
10004 (mode_mask_array): Declare.
10005 (GET_MODE_MASK): Use mode_mask_array.
10007 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
10009 * calls.c (expand_call) : Encapsulate code into
10010 copy_blkmode_from_reg.
10011 * expr.c (copy_blkmode_from_reg): New function.
10012 * expr.h (copy_blkmode_from_reg): New function.
10013 * integrate.c (function_cannot_inline_p): We can inline
10015 (expand_inline_function): Use copy_blkmode_from_reg
10016 if needed. Avoid creating BLKmode REGs.
10017 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
10020 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
10022 * config/v850/v850.c: Add function prototypes.
10023 Add support for v850 special data areas.
10025 * config/v850/v850.h: Add support for v850 special data areas.
10027 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
10028 HANDLE_PRAGMA_PACK_PUSH_POP.
10029 (push_alignment): New function: Cache an alignment requested
10030 by a #pragma pack(push,<n>).
10031 (pop_alignment): New function: Pop an alignment from the
10033 (insert_pack_attributes): New function: Generate __packed__
10034 and __aligned__ attributes for new decls whilst a #pragma pack
10036 (add_weak): New function: Cache a #pragma weak directive.
10037 (handle_pragma_token): Document calling conventions. Add
10038 support for #pragma pack(push,<n>) and #pragma pack (pop).
10040 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
10041 are defined enable HANDLE_PRAGMA_PACK.
10042 Move 'struct weak_syms' here (from varasm.c).
10043 Add pragma states for push and pop pragmas.
10045 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
10048 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
10049 HANDLE_GENERIC_PRAGMAS.
10051 * varasm.c: Move definition of 'struct weak_syms' into
10053 (handle_pragma_weak): Deleted.
10055 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
10057 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
10059 * c-decl.c (start_function): Add invocation of
10060 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
10062 * tm.texi: Remove description of non-existant macro
10063 SET_DEFAULT_SECTION_NAME.
10065 (HANDLE_SYSV_PRAGMA): Document.
10066 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
10068 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
10070 * config.sub: Recognize i[34567]86-pc-udk as new target.
10071 * configure.in: Likewise.
10072 * config/i386/t-udk: New file.
10073 * config/i386/udk.h: New file.
10075 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
10077 * reorg.c (check_annul_list_true_false): Remove unused variables.
10078 (steal_delay_list_from_target): Add missing "used_annul" variable.
10079 (try_merge_delay_insns): Close out half formed comment.
10081 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
10083 * cpplib.c (macroexpand): If arg->raw_before or
10084 arg->raw_after, remove any no-reexpansion escape at the
10085 beginning of the pasted token. Correct handling of whitespace
10086 markers and no-reexpand markers at the end if arg->raw_after.
10088 * toplev.c (documented_lang_options): Recognize -include,
10089 -imacros, -iwithprefix, -iwithprefixbefore.
10090 * cpplib.c (cpp_start_read): Process -imacros and -include
10091 switches at the same time and in command-line order, after
10092 initializing the dependency-output code. Emit properly nested
10093 #line directives for them. Emit a #line for the main file
10094 before processing these switches, and don't do it again
10097 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
10099 * function.c (purge_addressof_1): Use bitfield manipulation
10100 routines to handle mem mode < reg mode.
10102 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10104 * reorg.c (try_merge_delay_insns): Account for resources referenced
10105 in each instruction in INSN's delay list before trying to eliminate
10106 useless instructions. Similarly when looking at a trial insn's delay
10109 * reorg.c (check_annul_list_true_false): New function.
10110 (steal_delay_list_from_{target,fallthrough}): Call it and also
10111 refine tests for when we may annul if already filled a slot.
10112 (fill_slots_from_thread): Likewise.
10113 (delete_from_delay_slot): Return newly-created thread.
10114 (try_merge_delay_isns): Use its new return value.
10116 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
10118 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
10119 used to compute a giv or as some other non-counting use.
10121 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10123 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
10124 * local-alloc.c (find_free_reg): Use it.
10125 * global.c (find_reg): Likewise.
10126 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
10128 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
10129 * caller-save.c (init_caller_save): Use it.
10130 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
10132 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
10134 * configure.in: Add --enable-cpplib option which uses cpplib
10135 for cpp, but doesn't link cpplib into cc1. Make help text
10136 capitalization consistent.
10137 * configure: Rebuilt.
10139 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
10141 * function.c (gen_mem_addressof): If the address REG is
10142 REG_USERVAR_P make the new REG be so also.
10143 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
10144 in an attempt to clarify slightly.
10146 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
10148 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
10149 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
10151 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
10153 * toplev.c: Fix last patch.
10155 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
10157 * loop.c (get_condition): Fix typo in May 9 change.
10159 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
10161 * invoke.texi (-fexceptions): Merge 2 different descriptions.
10163 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10165 * toplev.c (documented_lang_options): Spelling corrections.
10167 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
10169 * configure.in: new flags --with-ld and --with-as, equivalent
10170 to setting LD and AS environment variables. Test whether
10171 specified arguments are GNU commands, and report them with
10172 checking messages. Use the specified AS for configure
10175 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
10177 * gcc.c (find_a_file): when looking for `as' and `ld', return
10178 the DEFAULT program if it exists
10179 * collect2.c (main): use DEFAULT_LINKER if it exists
10181 * gcc.c (find_a_file): the test for existence of a full
10182 pathname was reversed
10184 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
10186 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
10187 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
10189 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
10191 * tree.h (TYPE_BINFO): Document.
10193 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
10195 * i386-coff.h (dbxcoff.h): Added.
10197 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
10199 * toplev.c: fix bad patch around flag_data_sections.
10201 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
10203 * reload1.c (reload): Use reload_address_index_reg_class and
10204 reload_address_base_reg_class when setting
10205 caller_save_spill_class. (Patch generated by Jim Wilson:
10206 wilson@cygnus.com).
10208 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
10210 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
10211 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
10212 * expr.c (store_field): Add alias_set parameter. Set the
10213 MEM_ALIAS_SET accordingly, if the target is a MEM.
10214 (expand_assignment): Use it.
10215 (store_constructor_field): Pass 0.
10216 (expand_expr): Likewise.
10218 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
10220 * flags.h: Add flag_data_sections.
10221 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
10222 (compile_file): Error if flag_data_sections not supported.
10223 * varasm.c (assemble_variable): Handle flag_data_sections.
10224 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
10225 * config/mips/elf.h: Likewise.
10226 * config/mips/elf64.h: Likewise.
10227 * invoke.texi: Describe -fdata-sections.
10229 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
10231 * invoke.texi (-ffloat-store): Clarify that this option
10232 does not affect intermediate results -- only variables.
10234 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
10236 * cpp.texi: Update for Fortran usage from Craig.
10238 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@gnu.org>
10240 * rs6000.c (function_arg_boundary): Revert accidental change on
10243 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
10245 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
10246 (output_mi_thunk): Declare.
10248 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
10249 (output_function_profiler): Use r12 for temp, instead of r11 so
10250 that we preserve the static chain register.
10252 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
10254 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
10256 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10258 * sh.c (gen_shl_sext): Fix case 5.
10260 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10262 * reload1.c (reload_combine): Re-add line that got accidentally lost.
10264 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10266 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
10267 accessing variables until they are initialized via va_arg().
10269 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10271 * reload1.c (reload_combine): Initialize set before using.
10273 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
10275 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
10278 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
10280 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
10281 operand3 with mask before using it. Patch provided by Jim Wilson.
10283 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
10285 * config/sparc/sparc.c (function_value): Perform the equivalent of
10286 PROMOTE_MODE for ARCH64.
10287 (eligible_for_epilogue_delay): Allow DImode operations in delay
10288 slot of a return for ARCH64.
10290 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10292 * sh.md (sqrtsf2): Fix mode of sqrt.
10294 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10296 * reload1.c (choose_reload_regs): Also try inheritance when
10297 reload_in is a stack slot of a pseudo, even if we already got a
10300 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10302 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
10303 (reload_cse_regs): New function body: call reload_cse_regs_1,
10304 reload_combine, reload_cse_move2add.
10305 When doing expensive_optimizations, call reload_cse_regs_1 a
10306 second time after reload_cse_move2add.
10307 (reload_combine, reload_combine_note_store): New functions.
10308 (reload_combine_note_use): New function.
10309 (reload_cse_move2add, move2add_note_store): New functions.
10311 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10313 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
10314 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
10316 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
10317 more than 3 such reloads.
10319 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
10320 RELOAD_FOR_X_ADDR_ADDR reload.
10322 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10324 * expr.c (store_constructor): When initializing a field that is smaller
10325 than a word, at the start of a word, try to widen it to a full word.
10327 * cse.c (cse_insn): When we are about to change a register,
10328 remove any invalid references to it.
10330 (remove_invalid_subreg_refs): New function.
10331 (mention_regs): Special treatment for SUBREGs.
10332 (insert_regs): Don't strip SUBREG for call to mention_regs.
10333 Check if reg_tick needs to be bumped up before that call.
10334 (lookup_as_function): Try to match known word_mode constants when
10335 looking for a norrower constant.
10336 (canon_hash): Special treatment for SUBREGs.
10338 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10340 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
10341 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
10342 defined, emit libcall to __enable_execute_stack. Also fix opcodes
10343 and offsets in actual stack trampoline code so they match the
10344 commentary and actually work.
10346 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
10348 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
10350 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
10351 tmake_file. Set extra_parts to needed crt objects.
10352 * configure: Rebuilt.
10353 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
10354 (TARGET_DEFAULT): Set if default is v9 or ultra.
10355 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
10356 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
10357 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
10358 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
10359 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
10360 (TARGET_VERSION): Define.
10361 (MULTILIB_DEFAULT): Define.
10362 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
10363 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
10364 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
10366 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
10367 * config/sparc/sparc.c (sparc_override_options): If arch and
10368 pointer size disagree, emit diagnostic and fix it up. If
10369 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
10370 V8PLUS in 64-bit mode.
10371 * config/sparc/t-linux64: New file.
10372 * config/sparc/t-sol2-64: New file.
10373 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
10374 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
10375 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
10376 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
10377 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
10378 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
10380 (STARTFILE_SPEC): Set approriately based upon those.
10381 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
10382 disposition of DEFAULT_ARCH32_P.
10383 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
10384 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
10385 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
10386 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
10387 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
10389 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
10391 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
10393 * rtl.h (init_virtual_regs): New function.
10394 * emit-rtl.c (init_virtual_regs): Define.
10395 (insn_emit): Use it.
10396 * integrate.c (save_for_inline_copying): Likewise.
10398 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
10400 * config/arm/thumb.h: The following patches were made by Jim Wilson:
10401 (enum reg_class): Add NONARG_LO_REGS support.
10402 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
10403 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
10404 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
10405 completes. Re-enable HImode REG+OFFSET addresses.
10406 (LEGITIMIZE_RELOAD_ADDRESS): Define.
10408 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
10410 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
10412 * alpha.c (get_aligned_mem): Revert Sep 20 change.
10413 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
10414 (alpha_align_insns): Properly calculate initial offset wrt max_align.
10416 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
10418 * arm.c (find_barrier): Revert change of Apr 23. Handle table
10419 jumps as a single entity, taking into account the size of the
10422 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
10424 * tree.def (SWITCH_EXPR): New tree node definition.
10426 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
10428 * version.c: Bump for snapshot.
10430 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
10432 * version.c: Bump for snapshot.
10434 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
10436 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
10439 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
10441 * Revert this patch.
10442 * reload.c (find_reloads): Do not replace a pseudo with
10443 (MEM (reg_equiv_addr)) in the initializing insn for the
10446 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
10448 * final.c (final_scan_insn): Disable tracking CC across branches.
10450 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
10452 * expr.h (eh_rtime_match_libfunc): New extern declaration.
10453 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
10454 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
10455 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
10456 NULL. Only include <stdio.h> if inhibit_libc is not defined.
10458 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
10460 * toplev.c (rest_of_compilation): Skip compiling anything with
10461 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
10463 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
10465 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
10466 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
10467 use in_libcall_block.
10468 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
10469 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
10472 Mon Sep 21 14:02:23 1998
10474 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
10475 typo in no-fancy-math-387 description.
10477 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
10479 * version.c: Bump for snapshot.
10481 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
10483 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
10485 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
10487 * i386.h: (TARGET_SWITCHES) Add description fields for flags
10488 documented in install.texi.
10489 (TARGET_OPTIONS) Likewise.
10491 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
10493 * version.c: Bump for snapshot.
10495 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
10497 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
10498 * cccp.c (main): Likewise.
10500 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
10501 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
10504 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
10506 * Makefile.in (LIBS): Link in libiberty.a.
10507 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
10509 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
10511 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
10512 it to update bb boundaries. Update caller.
10513 * function.c (reposition_prologue_and_epilogue_notes): Update
10514 bb boundaries wrt the moved note.
10516 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
10518 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
10520 * configure: Regenerate.
10522 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
10524 * alpha.c (alpha_sr_alias_set): New variable.
10525 (override_options): Set it.
10526 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
10527 (mode_mask_operand): Fix signed-unsigned comparision warning.
10528 (alpha_expand_block_move): Likewise.
10529 (print_operand): Likewise.
10530 (get_aligned_mem): Use change_address.
10531 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
10532 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
10533 (alphaev4_next_nop, alphaev5_next_nop): New functions.
10534 (alpha_align_insns): Remade from old alphaev5_align_insns
10535 to handle multiple processors.
10536 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
10537 * output.h (label_to_alignment): Prototype.
10539 * tree.c (new_alias_set): New function.
10540 * tree.h (new_alias_set): Declare it.
10541 * c-common.c (c_get_alias_set): Use it.
10543 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
10545 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
10546 to an ABS expr, convert an unsigned input to signed.
10548 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
10550 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
10552 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10554 * configure.in: Add support for c4x targets.
10555 * configure: Rebuilt.
10557 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
10559 * combine.c (distribute_notes): If an insn is a cc0 user, only
10560 delete it if we can also delete the cc0 setter.
10562 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
10564 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
10565 (invert_truthvalue): Enable truthvalue inversion for
10566 floating-point operands if -ffast-math.
10568 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
10570 * configure.in: Disable collect2 for nextstep. Instead use
10572 * configure: Rebuilt.
10573 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
10574 (ENDFILE_SPEC): Define.
10575 (OBJECT_FORMAT_MACHO): Define.
10576 (EH_FRAME_SECTION_ASM_OP): Define.
10577 * crtstuff.c: Handle MACHO.
10579 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
10581 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
10583 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
10585 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
10586 (_fpadd_parts): Get sign right for 0.
10588 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10590 * ginclude/varargs.h: Add support for C4x target.
10591 * ginclude/stdargs.h: Likewise.
10593 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
10595 * alpha.c (alpha_return_addr): SET should be VOIDmode.
10596 (alpha_emit_set_long_const): Rewrite to be callable from reload
10598 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
10599 * alpha.md (movdi): Likewise.
10601 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
10603 * arm.c (add_constant): New parameter address_only, change caller.
10604 Set it non-zero if taking the address of an item in the pool.
10605 (arm_reorg): Handle cases where we need the address of an item in
10608 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
10610 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
10611 memory addresses that are not in standard canonical form.
10613 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
10615 * README.C4X: New file with information about the c4x ports.
10616 * ginclude/va-c4x.h: New file for c4x varargs support.
10617 * config/c4x: New directory with c4x port files.
10619 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
10621 * reload.c (find_reloads): Do not replace a pseudo with
10622 (MEM (reg_equiv_addr)) in the initializing insn for the
10625 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@gnu.org>
10627 * toplev.c (rest_of_compilation): Set bct_p on second call to
10629 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
10631 (strength_reduce): Only call analyze_loop_iterations and
10632 insert_bct if bct_p set.
10633 (check_dbra_loop): Fix typo.
10634 (insert_bct): Use word_mode instead of SImode.
10635 (instrument_loop_bct): Likewise. Do not delete iteration count
10636 condition code generation insn. Initialize iteration count before
10638 * rtl.h (loop_optimize): Update prototype.
10640 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
10641 not doubleword aligned.
10643 * rs6000.c (optimization_options): New function.
10644 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
10645 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
10646 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
10647 first; cr1 can be used for FP record condition insns.
10649 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
10651 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
10654 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
10657 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
10659 (block_move_call): New function: Call a library routine to copy a
10661 (m32r_expand_block_move): New function: Expand a "movstrsi"
10662 pattern into a sequence of insns.
10663 (m32r_output_block_move): New function: Expand a
10664 "movstrsi_internal" pattern into a sequence of assembler opcodes.
10665 (m32r_block_immediate_operand): New function: Return true if the
10666 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
10668 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
10670 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
10671 re-align some code.
10672 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
10674 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10676 * regmove.c (copy_src_to_dest): Check that modes match.
10678 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
10680 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
10682 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
10684 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
10685 narrower than FLOAT_REGS.
10687 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
10689 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
10691 * Makefile.in (old_gxx_include_dir): removed
10693 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
10695 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
10698 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
10699 (sh_handle_pragma): Change function arguments to match new
10700 specification for HANDLE_PRAGMA.
10702 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10704 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
10706 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
10707 When generating output, initialize missing struct member to zero.
10709 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10711 * regmove.c (copy_src_to_dest): Don't copy if that requires
10712 (a) new register(s).
10714 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
10716 * global.c (reg_allocno): Now static.
10717 * reload1.c (reg_allocno): Delete declaration.
10718 (order_regs_for_reload): Take no arguments. Don't treat regs
10719 allocated by global differently than those allocated by local-alloc.
10721 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
10723 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
10724 condition, fix format strings.
10725 (output_function_epilogue): Likewise.
10727 * m68k/m68k.c: Don't include <stdlib.h> directly.
10729 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
10731 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
10732 mem_first_set, mem_last_set; because 0 can be a CUID.
10733 (oprs_unchanged_p): Use new definition.
10734 (record_last_reg_set_info): Likewise.
10735 (record_last_mem_set_info): Likewise.
10736 (compute_hash_table): Likewise.
10738 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
10740 * rs6000.c (output_epilogue): Handle Chill.
10742 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
10743 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
10745 * combine.c (make_extraction): If no mode is specified for
10746 an operand of insv, extv, or extzv, default it to word_mode.
10747 (simplify_comparison): Similarly.
10748 * expmed.c (store_bit_field): Similarly.
10749 (extract_bit_field): Similarly.
10750 * function.c (fixup_var_regs_1): Similarly.
10751 * recog.c (validate_replace_rtx_1): Similarly.
10752 * mips.md (extv, extzv, insv expanders): Default modes for most
10753 operands. Handle TARGET_64BIT.
10754 (movdi_uld, movdi_usd): New patterns.
10756 * pa.c (emit_move_sequence): Do not replace a pseudo with its
10757 equivalent memory location unless we have been provided a scratch
10758 register. Similarly do not call find_replacement unless a
10759 scratch register has been provided.
10761 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
10763 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
10766 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
10768 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
10769 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
10770 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
10771 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
10772 * c-decl.c (init_decl_processing): Update accordingly.
10773 * expr.c (expand_builtin): Likewise.
10775 * rtl.h (global_rtl): Add cfa entry.
10776 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
10777 (LAST_VIRTUAL_REGISTER): Update.
10778 * emit-rtl.c (global_rtl): Add cfa entry.
10779 (init_emit): Initialize it.
10780 * function.c (cfa_offset): New.
10781 (instantiate_virtual_regs): Initialize it.
10782 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
10783 (expand_function_end): Call expand_eh_return.
10784 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
10786 * except.c (current_function_eh_stub_label): Kill.
10787 (current_function_eh_old_stub_label): Likwise; update all references.
10788 (expand_builtin_set_return_addr_reg): Kill.
10789 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
10790 (expand_builtin_set_eh_regs): Kill.
10791 (eh_regs): Produce a third reg for the actual handler address.
10792 (eh_return_context, eh_return_stack_adjust): New.
10793 (eh_return_handler, eh_return_stub_label): New.
10794 (init_eh_for_function): Initialize them.
10795 (expand_builtin_eh_return, expand_eh_return): New.
10796 * except.h: Update prototypes.
10797 * flow.c (find_basic_blocks_1): Update references to the stub label.
10798 * function.h (struct function): Kill stub label elements.
10800 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
10801 register number is one that would be in the previous window.
10802 Provide a dummy definition for non-windowed targets.
10803 (get_reg_addr): New function.
10804 (get_reg, put_reg, copy_reg): Use it.
10805 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
10806 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
10808 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
10809 (alpha_init_expanders): Initialize it.
10810 (alpha_expand_epilogue): Use it.
10811 * alpha.h: Declare it.
10812 * alpha.md (eh_epilogue): New.
10814 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
10815 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
10817 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
10819 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
10822 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
10824 * except.h (struct eh_entry): Add false_label field.
10825 (end_catch_handler): Add prototype.
10826 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
10827 (start_catch_handler): When using old style exceptions, issue
10828 runtime typematch code before continuing with the handler.
10829 (end_catch_handler): New function, generates label after handler
10830 if needed by older style exceptions.
10831 (expand_start_all_catch): No need to check for new style exceptions.
10832 (output_exception_table_entry): Only output the first handler label
10833 for old style exceptions.
10834 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
10835 mechanism into one function, if a runtime matcher is provided.
10837 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
10839 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
10841 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
10843 * integrate.c (copy_decl_list): Fix typo.
10845 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10847 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
10850 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
10852 * version.c: Bump for snapshot.
10854 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
10856 * version.c: Bump for snapshot.
10858 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
10860 * version.c: Bump for snapshot.
10862 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10864 * invoke.texi (C Dialect Options): Put back missing @end itemize.
10866 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
10868 * configure.in: remove usage of `!' to negate the result of a
10869 command; some common shells do not support it
10871 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10873 * configure.in: in sparc9-sol2 config, use 'if test' not
10875 * configure: Rebuilt.
10877 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
10879 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
10880 (CPP_CPU_DEFAULT_SPEC): Likewise.
10881 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
10882 for arch64 libfuncs.
10884 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
10887 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10889 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
10891 * collect2.c: Don't declare `sys_siglist' here.
10892 (my_strsignal): Prototype and define new function. Use it in
10893 place of `sys_siglist' hacks.
10895 * mips_tfile.c: Likewise.
10897 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
10898 (GCC_NEED_DECLARATIONS): Likewise.
10900 * system.h (strsignal): Prototype it, if necessary.
10901 (sys_siglist): Declare it, if necessary.
10903 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10905 * loop.c (move_movables): While removing insn sequences, preserve
10906 the next pointer of the most recently deleted insn when we skip
10909 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
10911 * objc/config-lang.in: Do not output the name of the selected
10912 thread file when building the front-end. The Makefile for the
10913 runtime library will do this.
10915 * objc/Make-lang.in: Do not build the runtime library or install
10916 the Objective C header files. The Makefile for the runtime
10917 library will do this.
10919 * objc/Makefile.in (all.indirect): Only build the front-end.
10920 (compiler): Rename to `frontend'.
10921 (obj-runtime): Remove target.
10922 (copy-headers): Likewise.
10923 (clean): No need to remove `libobjc.a' any longer.
10925 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
10927 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
10928 supported with -mcpu=xxx.
10930 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10932 * flow.c (mark_set_1): Recognize multi-register structure return
10933 values in CALL insns.
10934 (mark_used_regs): Likewise.
10935 (count_reg_sets_1): Likewise.
10936 (count_reg_references): Likewise.
10937 * rtlanal.c (note_stores): Likewise.
10938 (reg_overlap_mentioned_p): Likewise.
10939 * haifa-sched.c (check_live_1): Likewise.
10940 (update_live_1): Likewise.
10941 (sched_analyze_1): Likewise.
10942 (sched_note_set): Likewise.
10943 (birthing_insn_p): Likewise.
10944 (attach_deaths): Likewise.
10946 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
10949 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
10951 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
10953 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10955 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
10957 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
10959 * configure.in: Add check for GAS subsection -1 support.
10960 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
10961 * configure config.in: Rebuilt.
10962 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
10963 SImode is subsection -1 works, else use DImode.
10964 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
10965 subsection -1 works.
10966 * config/sparc/sparc.c (sparc_output_addr_vec,
10967 sparc_output_addr_diff_vec): Use them if defined.
10969 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
10971 * tree.h (DECL_ORIGIN): New macro.
10972 * integrate.c (copy_and_set_decl_abstract_origin): New function.
10973 (copy_decl_list): Use it.
10974 (integrate_parm_decls): Likewise.
10975 (integrate_decl_tree): Likewise.
10976 * dwarf2out.c (decl_ultimate_origin): Simplify.
10977 * dwarfout.c (decl_ultimate_origin): Likewise.
10978 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
10979 (pushdecl): Likewise.
10981 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
10983 * config/rs6000/rs6000.c (output_epilog): Add Java support.
10985 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
10987 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
10989 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
10991 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
10992 empty or has a single entry.
10994 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
10995 before calling reg_to_stack.
10997 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
10999 * alpha.c (alphaev5_insn_pipe): Abort on default case.
11000 (alphaev5_next_group): Swallow CLOBBERs and USEs.
11002 * c-tree.h (warn_long_long): Declare it.
11004 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
11006 * emit-rtl.c (gen_lowpart_common): Disable optimization of
11007 initialized float-int union if the value is a NaN.
11009 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
11011 * c-lex.c (real_yylex): Don't warn about long long constants if
11012 we're allowing long long
11014 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
11016 * except.h (current_function_eh_stub_label): Declare.
11017 (current_function_eh_old_stub_label): Declare.
11018 * function.h (struct function): New members eh_stub_label and
11020 * except.c (current_function_eh_stub_label): New variable.
11021 (current_function_eh_old_stub_label): New variable.
11022 (init_eh_for_function): Clear them.
11023 (save_eh_status): Save them.
11024 (restore_eh_status): Restore them.
11025 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
11026 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
11027 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
11028 make an edge from the block that contains it to the block starting
11029 with the label if this label is one of the eh stub labels.
11030 If eh stub labels exist, show they are reachable from the last block
11033 * reload1.c (reload): Break out several subroutines and make some
11035 (calculate_needs_all_insns): New function, broken out of reload.
11036 (calculate_needs): Likewise.
11037 (find_reload_regs): Likewise.
11038 (find_group): Likewise.
11039 (find_tworeg_group): Likewise.
11040 (something_needs_reloads): New global variable, formerly in reload.
11041 (something_needs_elimination): Likewise.
11042 (caller_save_spill_class): Likewise.
11043 (caller_save_group_size): Likewise.
11044 (max_needs): Likewise.
11045 (group_size): Likewise.
11046 (max_groups): Likewise.
11047 (max_nongroups): Likewise.
11048 (group_mode): Likewise.
11049 (max_needs_insn): Likewise.
11050 (max_groups_insn): Likewise.
11051 (max_nongroups_insn): Likewise.
11052 (failure): Likewise.
11054 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
11056 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
11058 * loop.c (load_mems): Copy rtx for output mem.
11060 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
11062 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
11063 mips1 or mips2 either.
11065 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
11067 * pa.c (pa_reorg): New marking scheme for jumps inside switch
11069 (pa_adjust_insn_length): Update to work with new marking scheme
11070 for jumps inside switch tables.
11071 * pa.md (switch_jump): Remove pattern.
11072 (jump): Handle jumps inside jump tables.
11074 * Makefile.in (profile.o): Depend on insn-config.h
11076 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
11078 * iris6.h (DWARF2_UNWIND_INFO): Undef.
11080 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11082 Add preliminary native sparcv9 Solaris support.
11083 * configure.in: Recognize sparv9-*-solaris2*
11084 * configure: rebuilt
11085 * config.sub: Recognize sparcv9 just like sparc64.
11086 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
11087 config/sparc/sol2-cn.asm: Macroize so it can be shared between
11088 32-bit and 64-bit Solaris systems.
11089 * config/sparc/t-sol2: Assemble those with cpp.
11090 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
11091 (*TF*_LIBCALL): If ARCH64 use V9 names.
11092 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
11094 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
11096 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
11097 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
11099 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
11101 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
11102 to Pmode if CASE_VECTOR_MODE is something else.
11104 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
11106 * prefix.c (update_path): Correctly handle cases where PATH is
11107 a substring of the builtin prefix, but specifies a different
11108 directory location.
11110 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
11112 * expr.c: Corrected comment about what MOVE_RATIO does.
11113 * config/alpha/alpha.h: Ditto.
11114 * config/1750a/1750a.h: Ditto.
11115 * config/clipper/clipper.h: Ditto.
11116 * config/i386/i386.h: Ditto.
11118 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
11120 * configure.in (m68k-next-nextstep3*): Use collect2.
11121 Similarly for x86 NeXT configurations.
11122 * configure: Rebuilt.
11124 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
11126 * configure.in: Don't assume srcdir is .../gcc
11127 * configure: Rebuilt.
11129 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
11131 * global.c: Update comments.
11132 (global_alloc): Assign allocation-numbers
11133 even for registers allocated by local_alloc in case
11134 they are later spilled and retry_global_alloc is called.
11135 (mark_reg_store, mark_reg_clobber,
11136 mark_reg_conflicts, mark_reg_death): Always record a
11137 conflict with a pseudo register even if it has been
11138 assigned to a hard register.
11139 (dump_conflicts): Don't list pseudo registers already assigned to
11140 a hard register as needing to be allocated, but do list their
11142 * local-alloc.c: Update comment.
11144 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
11146 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
11147 * configure: Rebuilt.
11149 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
11151 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
11153 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
11154 for all targets that set -msoft-float.
11156 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11158 * toplev.c (print_switch_values): Make static to match prototype.
11160 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
11162 * configure.in: If we are unable to find the "gnatbind" program,
11163 then do not configure the ada subdir.
11164 * configure: Rebuilt.
11166 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
11168 * version.c: Bump for snapshot.
11170 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
11172 * version.c: Bump for snapshot.
11174 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11176 * Makefile.in (toplev.o): Depend on $(EXPR_H).
11177 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
11179 * gansidecl.h: Define ATTRIBUTE_NORETURN.
11181 * genattrtab.c: Have insn-attrtab.c include toplev.h.
11183 * genextract.c: Have insn-extract.c include toplev.h.
11185 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
11187 * toplev.c: Include expr.h.
11188 (really_sorry, fancy_abort): Remove prototypes.
11189 (set_target_switch): Add argument in prototype.
11190 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
11191 (v_really_sorry): Likewise.
11192 (print_version, print_single_switch, print_switch_values): Make
11193 static and add prototype arguments.
11194 (decl_printable_name): Add prototype arguments.
11195 (lang_expand_expr_t): New typedef.
11196 (lang_expand_expr): Declare as a lang_expand_expr_t.
11197 (incomplete_decl_finalize_hook): Add prototype argument.
11198 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
11199 (botch): Likewise for variable `s'.
11200 (rest_of_type_compilation): Mark variables `type' and `toplev'
11201 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
11202 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
11203 (display_help): Make variable `i' an `unsigned long'.
11204 (main): Remove unused parameter `envp'.
11205 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
11206 Cast -1 when comparing it with a `size_t'.
11208 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
11209 prototype with ATTRIBUTE_NORETURN.
11210 (fatal_insn_not_found, fatal_insn, really_sorry,
11211 push_float_handler, pop_float_handler): Add prototypes.
11212 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
11213 (do_abort, botch): Add prototypes.
11215 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
11217 * final.c (final): If a label is reached only from a single jump,
11218 call NOTICE_UPDATE_CC on the jump and its predecessor before
11219 emitting the insn after the label.
11221 * i386.h: Add AMD K6 support.
11222 Change TARGET_* macros to use table lookup.
11223 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
11224 (ADJUST_COST): Change definition to call function in i386.c.
11225 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
11226 * i386.c: Add AMD K6 support.
11227 Add constants for feature tests used by TARGET_* macros.
11228 (split_di): If before reload, call gen_lowpart and gen_highpart.
11229 (x86_adjust_cost): New function.
11230 (put_jump_code): New function.
11231 (print_operand): New codes 'D' and 'd'.
11232 * i386.md: New insn types. New insn attribute "memory".
11233 Redefine scheduling parameters to use new types and add AMD K6
11234 support. Explicitly set type of most insns.
11235 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
11236 Pro and K6 prefer movl $1,reg to incl reg.
11237 (adddi3, subdi3): Set cc_status.
11238 (DImode shift patterns): Change label counters from HOST_WIDE_INT
11239 to int; x86 can't have more than 2^31 DImode shifts per file.
11240 (setcc): Combine all setcc patterns. Allow writing memory.
11241 Combine all jump patterns using match_operator.
11242 (*bzero): Name pattern. Emit mutliple stos instructions when that
11243 is faster than rep stos.
11244 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
11247 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
11249 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
11252 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
11254 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
11255 not whatever we're generating now.
11257 * alpha.c (set_frame_related_p, FRP): New.
11258 (alpha_expand_prologue): Mark frame related insns.
11259 (alpha_expand_epilogue): Likewise, but with a null FRP.
11260 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
11261 * alpha.md (exception_receiver): New.
11262 * alpha/crtbegin.asm (.eh_frame): New beginning.
11263 (__do_frame_setup, __do_frame_takedown): New.
11264 * alpha/crtend.asm (.eh_frame): New ending.
11265 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
11266 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
11267 (ASM_FILE_START): Don't emit .file for dwarf2.
11269 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
11270 * rtl.c (reg_note_name): Likewise.
11271 * rtl.texi (REG_NOTES): Likewise.
11272 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
11275 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
11277 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
11278 * i386.md (movsf, movdf, movxf): Validate memory address returned
11279 from force_const_mem. Kill useless REG_EQUAL setting code.
11281 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
11283 * m68k.md (zero_extendsidi2): Fix typo.
11285 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
11287 * configure.in: Removed references to the removed file
11288 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
11289 * arm*-*-netbsd* and ns32k-*-netbsd*.
11290 * config/i386/xm-netbsd.h: Removed unnecessary file.
11291 * config/m68k/xm-netbsd.h: Likewise.
11292 * config/sparc/xm-netbsd.h: Likewise.
11293 * config/mips/xm-netbsd.h: Likewise.
11295 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
11297 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
11298 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
11300 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
11301 for exact section attributions.
11303 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
11305 * i386/crtdll.h (CPP_PREDEFINES): Define.
11307 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
11309 * m68k.md (5200 movqi): Do not allow byte sized memory references
11310 using address regs.
11311 * m68k.c (output_move_qimode): Do not use byte sized operations on
11314 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
11315 explicit rules for building. Similarly for alloca, vfprintf,
11316 choose-temp and mkstemp, getopt, getopt1, and obstack.
11317 (INCLUDES): Add $(srcdir)/../include.
11318 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
11319 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
11321 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
11323 * gcc.c (do_spec_1): [case 'o'] Account for
11324 lang_specific_extra_outfiles.
11325 (main): Correctly clear all slots in outfiles for
11326 lang_specific_extra_outfiles. Set input_file_number before
11327 calling lang_specific_pre_link.
11329 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
11331 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
11333 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11335 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
11337 (sparc_output_deferred_case_vectors): If no work to do, return.
11338 Fix thinko in Sept 1 change.
11340 1998-09-03 SL Baur <steve@altair.xemacs.org>
11342 * Makefile.in: add semicolon in BISON definition for portability.
11344 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
11346 * config/nextstep.c (handle_pragma): Correct name of third
11349 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
11351 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
11352 * config/m32r/m32r.h: Make register 17 be fixed.
11353 * config/m32r/m32r.c: Use SImode for cc operations.
11355 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
11357 * invoke.texi (Warning Options): Add -Wnon-template-friend
11360 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
11362 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
11364 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@gnu.org>
11366 * rs6000.md (movsf): Disable explicit secondary-reload-like
11367 functionality if TARGET_POWERPC64.
11368 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
11371 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
11373 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
11374 and term.h from fixinc.wrap.
11376 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11378 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
11379 safe to include both string.h and strings.h together.
11380 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
11381 which headers to search for function declarations. Continue to
11382 prefer string.h over strings.h when both are not acceptable.
11384 * acconfig.h (STRING_WITH_STRINGS): Add stub.
11386 * configure.in: Call GCC_HEADER_STRING.
11388 * system.h: Test STRING_WITH_STRINGS when deciding which headers
11389 to include. Continue to prefer string.h over strings.h when both
11390 are not acceptable.
11392 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11394 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
11395 not assume top 32-bits of symbolic addresses are zero if
11398 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
11400 * ginclude/va-alpha.h: Protect entire second portion of the
11401 file against double inclusion.
11403 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
11405 Added support for the Boehm's garbage collector.
11406 * configure.in: Handle --enable-objc-gc.
11407 * configure: Rebuilt.
11408 * Makefile.in (CHECK_TARGETS): Add check-objc.
11409 (check-objc): New rule.
11410 * objc/Make-lang.in: Build a different Objective-C library that
11411 runs with the Boehm's collector.
11412 * objc/encoding.c (objc_round_acc_size_for_types): New function.
11413 * objc/encoding.c: Correctly compute the size of compound types in
11414 the presence of bitfields. Skip the variable name of the type if
11415 any. Added support for long long.
11416 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
11417 (_F_GCINVISIBLE): New mask.
11418 * objc/gc.c: New file. Compute the type memory mask associated with
11419 a class based on the runtime information.
11420 * objc/misc.c: Added the hooks that use the Boehm's collector
11421 allocation functions.
11422 * objc/objc-act.c (build_class_template): Generate a new class
11423 member (gc_object_type) to hold the class' type memory mask.
11424 (build_shared_structure_initializer): Initialize the new member to
11426 (encode_complete_bitfield): New function. Generate the new
11428 (encode_field_decl): Generate the new encoding only for the GNU
11430 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
11432 (class_get_gc_object_type): New function to mark a pointer instance
11433 variable as a weak pointer.
11434 * objc/objc-features.texi: New file.
11435 * objc/objc.h (gc_object_type): New class member.
11436 * objc/objects.c (class_create_instance): Create a typed memory
11437 object when compiled with Boehm's collector support.
11438 * objc/sendmsg.c (__objc_init_install_dtable): Call
11439 __objc_send_initialize instead of setting the initialize flag.
11440 (__objc_send_initialize): Call __objc_generate_gc_type_description
11441 to generate the class type memory mask. Rewrite the code that
11442 sends the +initialize so that it is called only once (bug report
11443 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
11444 * testsuite/objc: New testsuite for Objective-C type encoding.
11445 * testsuite/lib/objc-torture.exp: New file.
11446 * testsuite/lib/objc.exp: New file.
11448 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
11450 * jump.c (jump_optimize): In if/then/else transformations, add
11451 another call to modified_between_p for the jump insn.
11453 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
11455 * fix-header.c (symlink): Treat like readlink.
11457 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11459 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
11462 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
11464 * config/nextstep.h: Update HANDLE_PRAGMA macro.
11465 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
11466 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
11468 * config/nextstep.c (handle_pragma): Take three arguments, as per
11469 the new HANDLE_PRAGMA macro specification.
11470 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
11471 per the new HANDLE_PRAGMA macro specification.
11472 * config/i960/i960.c (process_pragma): Take three arguments, as
11473 per the new HANDLE_PRAGMA macro specification.
11475 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
11477 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
11478 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
11479 if unknown pragmas are encountered.
11480 (handle_sysv_pragma): Interpret return code from
11481 handle_pragma_token (). Return success/failure indication rather
11482 than next unprocessed character.
11483 (pragma_getc): New function: retrieves characters from the
11484 input stream. Defined when HANDLE_PRAGMA is enabled.
11485 (pragma_ungetc): New function: replaces characters back into the
11486 input stream. Defined when HANDLE_PRAGMA is enabled.
11488 * c-pragma.c (handle_pragma_token): Return success/failure status
11491 * c-pragma.h: Change prototype of handle_pragma_token().
11493 * varasm.c: (handle_pragma_weak): Only create this function if
11494 HANDLE_PRAGMA_WEAK is defined.
11496 * c-common,c (decl_attributes): If defined call the expression
11497 contained within the INSERT_ATTRIBUTES macro before adding
11498 attributes to a decl.
11500 * tm.texi (HANDLE_PRAGMA): Document the new verion of
11501 HANDLE_PRAGMA, which takes three arguments.
11502 (INSERT_ATTRIBUTES): Document this new macro.
11504 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
11505 new INSERT_ATTRIBUTES macro.
11507 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11509 * config/sparc/sparc.md (movdf): Only generate special RTL for
11510 LABEL_REFs when PIC.
11511 (move_label_di): Remove
11512 (movdi_pic_label_ref, movdi_high_pic_label_ref,
11513 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
11514 references when PIC.
11515 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
11516 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
11517 output an .xword for all 64-bit cases.
11519 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11521 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
11522 alignment, use FUNCTION_BOUNDARY instead.
11523 (sparc_output_deferred_case_vectors): Likewise.
11525 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11527 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
11528 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
11530 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
11532 * alpha/va_list.h: New file.
11533 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
11535 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
11537 * NEWS: Add SCO Openserver and Unixware 7 notes.
11541 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
11543 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
11544 (record_constant_1): Handle RANGE_EXPR.
11546 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
11548 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
11549 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
11550 and NOTE_INSN_RANGE_END specially.
11551 (reemit_notes): Likewise.
11553 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11555 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
11556 (ultrasparc_sched_init): Remove unneeded &.
11558 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
11560 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
11561 for m68020-60, to prevent the use of fintrz.
11563 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
11565 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
11567 * Makefile.in: Likewise.
11568 * configure: Regenerated.
11570 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
11572 * configure.in (gxx_include_dir): Changed to
11573 '${prefix}/include/g++'-${libstdcxx_interface}.
11574 * configure: Rebuilt.
11576 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
11578 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
11580 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
11581 *sequences* *below* which scalar moves will be used.
11583 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
11585 * collect2.c (mktemp): Delete unused declaration.
11587 * config/xm-netbsd.h: Remove unnecessary file.
11588 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
11589 file anymore, it is not needed.
11591 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
11593 * convert.c (convert_to_integer): Issue an error on conversions to
11596 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
11598 * Makefile.in: Add lang_tree_files and gencheck.h.
11599 * configure.in: Generate them.
11600 * gencheck.c: Include gencheck.h.
11602 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11604 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
11605 movdi_lo_sum_pic and movdi_high_pic and make visible.
11606 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
11607 emit these when Pmode is not SImode.
11608 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
11610 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
11612 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
11613 .linkonce directive after the first time.
11615 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
11617 * m68k.md (beq0_di): Generate correct (and more efficient) code when
11618 the clobbered operand overlaps with an input.
11619 (bne0_di): Similarly.
11621 * Makefile.in (INSTALL): Remove "--no-header" argument.
11623 * NEWS: Various updates.
11625 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11627 * config/sparc/sparc.c (arith_operand, const64_operand,
11628 const64_high_operand, arith_double_4096_operand): Mark mode as
11630 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
11632 (sparc_emit_set_const64): Remove unused variable i.
11633 (sparc_splitdi_legitimate): Likewise for addr_part.
11634 (ultra_code_from_mask): Likewise for mask.
11635 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
11636 reverse return values so it matches usage and comments.
11637 (ultra_flush_pipeline): Likewise.
11638 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
11639 this_type, and allow loads and stores of differing FP modes as
11640 they do not create a conflict.
11641 (ultra_find_type): Initialize fpmode to SFmode, fix
11642 parenthesization thinkos in large conditional.
11643 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
11644 Init free_slot_mask after ultra_cur_hist is reset, not before.
11645 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
11646 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
11647 use ultra_flush_pipeline instead, then re-init group pointer.
11648 Fix statement with no effect. If no progress made in, and no
11649 instructions scheduled at all, advance to new pipeline cycle else
11650 we get into an endless loop.
11651 (ultrasparc_adjust_cost): Remove previous arg.
11652 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
11654 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
11656 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
11657 code. Use reg_overlap_mentioned_p to detect when source and
11658 destination overlap.
11659 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
11661 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
11663 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
11664 COMPARISON_VAL, into invariant_p.
11666 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11668 * regmove.c (regclass_compatible_p): New function.
11669 (regmove_optimize): Use it.
11671 Use NREGS parameter insted of calling max_reg_num.
11673 (fixup_match_1): Don't use code = MINUS when later tieing with
11674 a hard register is likely.
11676 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11678 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
11679 COMPARISON_VAL was normalized.
11681 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
11683 * loop.c (check_dbra_loop): The loop ending comparison value
11684 must be an invariant or we can not reverse the loop.
11686 * loop.c (scan_loop): Count down from max_reg_num - 1 to
11687 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
11689 (load_mems_and_recount_loop_regs_set): Likewise.
11691 * i386.c (print_operand): Remove obsolete 'c' docs.
11693 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
11695 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
11696 * frame.c (init_object_mutex): New function.
11697 (init_object_mutex_once): Likewise.
11698 (find_fde): Call it.
11699 (__register_frame_info): Likewise.
11700 (__register_frame_info_table): Likewise.
11701 (__deregister_frame_info): Likewise.
11703 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
11705 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
11707 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11709 * loop.c (check_dbra_loop): Enable code for reversal
11710 of some loops without a known constant loop end.
11712 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
11714 * haifa-sched.c (last_clock_var): New.
11715 (schedule_block): Initialize it.
11716 (schedule_insn): Use it to fill insn modes with issue information.
11718 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
11719 Tag trapb and next insn with TImode.
11720 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
11721 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
11722 Invoke alphaev5_align_insns as appropriate.
11723 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
11724 (MD_SCHED_VARIABLE_ISSUE): New.
11725 * alpha.md (attr type): Add multi.
11726 (define_asm_attributes): New.
11727 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
11728 (arg_home): Likewise.
11729 (fnop, unop, realign): New.
11731 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
11733 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
11734 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
11736 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
11737 (rs6000-ibm-aix4.[12]*): Likewise.
11738 * configure: Regnerate.
11740 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
11742 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
11743 already contains the return address.
11745 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
11747 * calls.c (expand_call): Use bitfield instructions to extract/deposit
11748 word sized hunks when loading unaligned args into registers.
11750 * haifa-sched.c (sched_analyze_insn): Only create scheduling
11751 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
11753 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
11755 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11757 * loop.c (check_dbra_loop): Add some code that would allow reversal
11758 of some loops without a known constant loop end if it were enabled.
11760 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
11762 * mips.md (lshrsi3_internal2+2): Fix type-o.
11764 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11766 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
11767 correctly with regards to stdio.h.
11769 * calls.c: Remove stdarg.h/varargs.h.
11770 * cccp.c: Likewise.
11771 * cexp.y: Likewise.
11772 * combine.c: Likewise.
11773 * cpperror.c: Likewise.
11774 * cpplib.c: Likewise.
11775 * cpplib.h: Likewise.
11776 * doprint.c: Likewise.
11777 * emit-rtl.c: Likewise.
11778 * final.c: Likewise.
11779 * fix-header.c: Likewise.
11781 * genattr.c: Likewise.
11782 * genattrtab.c: Likewise.
11783 * gencodes.c: Likewise.
11784 * genconfig.c: Likewise.
11785 * genemit.c: Likewise.
11786 * genextract.c: Likewise.
11787 * genflags.c: Likewise.
11788 * genopinit.c: Likewise.
11789 * genoutput.c: Likewise.
11790 * genpeep.c: Likewise.
11791 * genrecog.c: Likewise.
11792 * mips-tfile.c: Likewise.
11793 * prefix.c: Likewise.
11794 * protoize.c: Likewise.
11795 * regmove.c: Likewise.
11796 * toplev.c: Likewise.
11797 * tree.c: Likewise.
11799 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
11801 * config/sparc/sparc.c (sparc_override_options): If not
11802 TARGET_FPU, turn off TARGET_VIS.
11803 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
11804 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
11805 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
11806 (movdi_insn_sp64): Add VIS fzero alternative.
11807 (clear_sf, clear_df): New VIS patterns.
11808 (movsf, movdf expanders): Allow fp_zero_operand flat out when
11810 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
11812 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
11814 * loop.c (n_times_set, n_times_used, may_not_optimize,
11815 reg_single_usage): Convert to varrays. All uses changed.
11816 (insert_loop_mem): Return a value.
11817 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
11818 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
11821 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
11824 * configure.in: Do not set thread_file to "irix" since no such
11825 support exists yet.
11827 * sparc.md (float abs/neg splits): Check reload_completed before
11828 calling alter_subreg.
11830 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11832 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
11834 * config/sparc/sparc.h: Declare it.
11835 * config/sparc/sparc.md (float abs/neg splits): Use it.
11836 (all other splits): Handle SUBREGs properly where necessary.
11837 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
11839 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
11841 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
11842 an insn on the unfilled_slots_list that has no delay slots.
11843 (fill_eager_delay_slots): Similarly.
11845 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
11847 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
11848 as an ordinary operand.
11850 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
11852 * tree.c (valid_machine_attribute): Don't apply attributes to both
11855 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
11857 * reload.c (operands_match_p): Handle rtvecs.
11859 * i386.c (legitimate_pic_address_disp_p): New.
11860 (legitimate_address_p): Use it.
11861 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
11862 Handle constant pool symbols just like statics.
11863 (emit_pic_move): Use Pmode not SImode for clarity.
11864 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
11865 [UNSPEC]: New, handling what we killed above.
11866 [PLUS]: Detect and abort on invalid symbol arithmetic.
11867 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
11869 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
11871 * alias.c: Include output.h.
11872 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
11873 different if we're in a varargs function.
11874 * Makefile.in (alias.o): Depend on output.h
11876 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11878 * sh.h (GIV_SORT_CRITERION): Delete.
11880 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
11882 * regclass.c (regclass): Use xmalloc/free instead of alloca.
11883 * stupid.c (stupid_life_analysis): Ditto.
11884 * reload1.c (reload): Ditto.
11886 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
11888 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
11889 arith_double_4096_operand, arith_double_add_operand): New
11891 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
11892 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
11893 them to transform add/sub 4096 into add/sub -4096.
11895 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11897 * loop.c (scan_loop): Allocate some slop to handle pseudos
11898 generated by move_movables.
11899 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
11902 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
11904 * tree.def (DECL_RESULT): Correct documentation.
11906 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11908 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
11909 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
11910 conflicts will all RELOAD_FOR_OUTPUT reloads.
11912 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
11913 loads the function result, substitute with a USE.
11915 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@gnu.org>
11917 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
11918 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
11919 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
11920 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
11921 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
11922 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
11924 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
11925 'o' to 'm' for GPR variant constraints.
11927 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
11929 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
11931 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
11933 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
11934 when the source and destination overlap.
11936 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
11937 clash with global type.
11939 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
11941 * fixinc.irix: Add curses.h handling from fixinc.wrap.
11943 * c-common.c (combine_strings): Also set TREE_READONLY.
11944 Change warn_write_strings to flag_const_strings.
11945 * c-decl.c, c-tree.h: Likewise.
11947 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11949 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
11950 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
11951 sequence, use SET/IOR instead so CSE can see it.
11952 * config/sparc/sparc.md (movhi_const64_special,
11953 movsi_const64_special): New patterns necessitated by that change.
11954 (movhi_high): Remove.
11955 (movhi_lo_sum): Change to match an IOR.
11956 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
11957 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
11958 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
11959 (movdf splits): Allow when not V9 or when not ARCH64 and integer
11960 registers are involved.
11961 (snesi_zero_extend split): Remove reload_completed test.
11962 (unnamed plus and minus zero_extend sidi splits): Add it.
11964 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
11966 * extend.texi: Remove description of extension to explicit
11967 instantiation that is now endorsed by standard C++.
11969 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11971 * config/arc/arc.c (arc_initialize_pic): Remove.
11972 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
11973 nothing on any platform and is invoked by no-one, it does not even
11974 appear in the documentation.
11975 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
11976 * config/sparc/sparc.c (initialize_pic): Likewise.
11977 (find_addr_reg): Remove this as well, no longer referenced after
11980 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
11982 * recog.c (validate_replace_rtx_group): New function.
11983 * recog.h (validate_replace_rtx_group): Declare it.
11984 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
11985 the entire group of substitutions.
11987 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
11989 * loop.c (load_mems): Fix initializers.
11991 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11993 * config/sparc/sparc.md (TFmode splits): Handle destination
11994 registers being referenced in the address correctly.
11996 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
11997 TREE_UNSIGNED, when bitsize of type's mode is larger than
11998 HOST_BITS_PER_WIDE_INT.
12000 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
12002 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
12003 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
12004 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
12006 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
12009 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
12011 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
12012 * h8300.h (TINY_DATA_NAME_P): Likewise.
12013 (STRIP_NAME_ENCODING): Handle '&'.
12015 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
12016 register (it could be accessed via an outer SUBREG).
12017 (REG_OK_FOR_BASE_P): Likewwise.
12018 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
12020 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
12023 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
12025 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12027 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
12028 must be offsettable so the splits can be made.
12030 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
12032 * config/i386/winnt.c: Include system.h, not stdio.h to get
12033 sys/param.h pulled in before rtl.h in case the system defines MIN
12036 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@gnu.org>
12038 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
12040 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
12042 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
12044 * cpplib.c (cpp_define): Handle macros with parameters.
12046 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@gnu.org>
12048 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
12049 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
12050 and DImode 64-bit. Use llong for minimal-toc SFmode and
12051 SYMBOL_REF / LABEL_REF 64-bit.
12052 (output_function_profiler): Use llong for profiler label and ld to
12053 load 64-bit label address.
12055 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
12057 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
12060 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
12062 * version.c: Bump for snapshot.
12064 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
12066 * version.c: Bump for snapshot.
12068 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
12070 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
12072 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
12074 * tm.texi (Misc): Fix typo "teh".
12076 * tm.texi (PIC): Fix typo "PPIC".
12078 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
12079 effect when -O2 and higher.
12080 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
12082 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
12084 * regclass.c: Changed register set documentation to be consistent
12085 with GCC behaviour.
12087 * final.c (final_start_function) Removed redundant test for
12090 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
12092 * rtl.h (rtx_function): New type.
12093 (for_each_rtx): New function.
12094 * rtlanal.c (for_each_rtx): Define it.
12096 * recog.c (change_t): New type.
12097 (change_objects, change_old_codes, change_locs, change_olds):
12099 (changes): New variable.
12100 (validate_change): Dynamically allocate room for more changes, if
12101 necessary. Uses changes array instead of change_objects, etc.
12102 (apply_change_group): Use changes array instead of
12103 change_objects, etc.
12105 * loop.c (loop_mem_info): New type.
12106 (loop_mems): New variable.
12107 (loop_mems_idx): Likewise.
12108 (looop_mems_allocated): Likewise.
12109 (scan_loop): Remove nregs parameter.
12110 (next_insn_in_loop): New function.
12111 (load_mems_and_recount_loop_regs_set): Likewise.
12112 (load_mems): Likewise.
12113 (insert_loop_mem): Likewise.
12114 (replace_loop_mem): Likewise.
12115 (replace_label): Likewise.
12116 (INSN_IN_RANGE_P): New macro.
12117 (loop_optimize): Don't pass max_reg_num() to scan_loop.
12118 (scan_loop): Remove nregs parameter, compute it after any new
12119 registers are created by load_mems. Use INSN_IN_RANGE_P and
12120 next_insn_in_loop rather than expanding them inline. Call
12121 load_mems to load memory into pseudos, if appropriate.
12122 (prescan_loop): Figure out whether or not there are jumps from the
12123 loop to targets other than the label immediately following the
12124 loop. Call insert_loop_mem to notice all the MEMs used in the
12125 loop, if it could be safe to pull MEMs into REGs for the duration
12127 (strength_reduce): Use next_insn_in_loop. Tweak comments.
12129 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
12131 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
12133 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12135 * config/sparc/sparc.c (finalize_pic): Check for the correct
12136 nonlocal_goto_receiver UNSPEC number.
12137 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
12138 making note of this dependency existing in sparc.c
12139 (negtf2_notv9 split): Give NEG SFmode.
12140 (negsf2): Fix insn output string.
12142 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
12144 * c-common.c (decl_attributes): Issue an error if the argument
12145 to alias is not a string.
12147 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
12149 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
12150 pending memory flush list.
12152 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
12154 (try_combine): Allow combining insns with REG_LIBCALL notes.
12156 * expr.c (emit_block_move): Do not call memcpy as a libcall
12157 instead build up a CALL_EXPR and call it like any other
12159 (clear_storage): Similarly for memset.
12161 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
12164 * Makefile.in (cplus-dem.o): Provide explicit rules for building
12167 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
12168 and REG_LIVE_LENGTH as successful substitutions are made.
12170 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12172 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
12173 statement after end of loop label.
12175 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12177 * config/sparc/sparc.c (ultra_types_avail): New variable.
12178 (ultra_build_types_avail): New function to record mask of insn
12179 types in ready list at this cycle.
12180 (ultrasparc_sched_reorder): Call it.
12181 (ultra_find_type): Use it to quicken the search. Also simplif
12182 dependency check, don't use rtx_equal_p because we know exactly
12183 what we are looking for.
12185 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
12187 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
12188 for architecture v4.
12190 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12192 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
12194 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
12195 movdf_const_intreg and helper splits): New patterns to move float
12196 constants into integer registers.
12197 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
12200 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
12203 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
12205 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
12207 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
12208 a BASE_REGS register is needed as an intermediate when copying
12209 a symbolic value into any register class other than BASE_REGS.
12211 * expr.c (move_by_pieces): No longer static. Remove prototype.
12212 * rtl.h (move_by_pieces): Add extern prototype.
12213 * mips.c (expand_block_move): Handle aligned straight line copy by
12214 calling move_by_pieces.
12216 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
12219 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
12221 * stmt.c (expand_end_loop): Tidy. Allow unconditional
12222 jumps out of the loop to be treated as part of the exit test.
12224 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12225 Jeff Law <law@cygnus.com>
12227 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
12228 * cplus-dem.c: Delete.
12230 * Makefile.in (fold-const.o): depend on $(RTL_H).
12232 * fold-const.c: Include rtl.h to get the prototype for
12233 `set_identifier_local_value'.
12235 * loop.c (express_from_1): Remove unused variable `tmp'.
12236 (combine_givs): cast the first argument of bzero to char *.
12238 * toplev.c (display_help): Remove unused variable `looking_for_start'.
12240 * c-decl.c (init_decl_processing): Remove unneeded &.
12242 * alpha.h (alpha_initialize_trampoline): Provide prototype.
12244 * except.c (set_exception_lang_code, set_exception_version_code):
12245 Change parameter from `short' to `int' to avoid using a gcc
12248 * except.h (set_exception_lang_code, set_exception_version_code):
12249 Likewise for prototypes.
12251 * flow.c (count_reg_references): Remove unused variables `regno'
12254 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
12256 * prefix.c (translate_name): Cast the result of `alloca'.
12258 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
12260 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
12262 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
12263 Include "toplev.h".
12264 (valid_dbcc_comparison_p): Mark mode argument as unused.
12265 (symbolic_operand): Likewise.
12266 (legitimize_pic_address): Likewise.
12267 (const_uint32_operand): Likewise.
12268 (const_sint32_operand): Likewise.
12269 * sched.c [!INSN_SCHEDULING]: Define only dummy function
12270 schedule_insns and comment out rest of file.
12272 * m68k.c (output_move_simode_const): Use subl to move a zero into an
12274 (output_move_[hq]imode): Likewise.
12276 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
12278 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
12279 * invoke.texi: Corresponding changes.
12281 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
12283 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
12285 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12287 * config/sparc/sparc.c (ultra_code_from_mask,
12288 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
12289 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
12290 ultrasparc_sched_init, ultrasparc_variable_issue,
12291 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
12292 functions to describe UltraSPARC pipeline exactly to Haifa.
12293 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
12294 as there is nothing the scheduler can do about it. Indicate that
12295 REG_DEP_OUTPUT's collide. Fixup formatting.
12296 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
12297 divide costs on Ultra for DImode.
12298 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
12300 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
12301 ieuN and add call_no_delay_slot to type list.
12302 (cti function unit): New unit for branches on UltraSPARC.
12303 (subx/addx insns): Set type to misc.
12304 (sidi zero/sign extension insns on arch64): Set type to shift.
12305 (sign_extendhidi2_insn): Set type to sload.
12307 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@gnu.org>
12309 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
12310 (output_epilog): Use if != 0 for offset.
12311 (rs6000_fatal_bad_address): Prepare for Intl.
12312 * rs6000.h (rs6000_fatal_bad_address): Declare.
12313 * rs6000.md (movsfcc, movdfcc): Use else if.
12314 (elf_high): Use {liu|lis}.
12315 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
12316 (movsi): Use rs6000_fatal_bad_address.
12318 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
12320 * reload.c (find_equiv_reg): Reject equivalences separated
12321 by a volatile instruction.
12323 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12325 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
12327 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
12329 * alpha.md (movsicc): Fix mode mismatch.
12331 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
12333 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
12335 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
12337 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12339 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
12340 write-only modifier from operand 1 constraint.
12342 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12344 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
12345 emitting a XOR of -1 at the end, emit a NOT instead for combine's
12347 (sparc_emit_set_const64): Likewise, also when computing trailing
12348 bits do not negate low_bits and make fast_int an int.
12350 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
12352 * loop.c (add_label_notes): Do not ignore references to labels
12353 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
12354 * gcse.c (add_label_notes): Similarly.
12356 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
12358 * m68k.md (adddi_dilshr32): One of the operands must be a register.
12359 (adddi_dishl32): Similarly.
12361 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
12363 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
12364 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
12365 * cse.c (cse_basic_block): Add parens to shut up warnings.
12367 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12369 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
12370 sparc_emit_set_const64_longway, const64_is_2insns,
12371 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
12372 in 64-bit constant formation.
12373 * config/sparc/sparc.md (snesi_zero_extend split): Generate
12374 rtl for addx not subx.
12375 (define_insn movdi_const64_special): Make available even when
12376 HOST_BITS_PER_WIDE_INT is not 64.
12377 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
12378 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
12379 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
12380 instances of operand 1 inside a QI subreg.
12381 (xordi3_sp64_dbl): Remove '%' constraint for op1.
12382 (one_cmpldi2_sp64): Fix output string.
12383 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
12385 (unnamed arch64 ashift DI): Truncate shift count if greater than
12388 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
12390 * expr.c (store_expr): Don't optimize away load-store pair
12391 when either source or destination have a side effect.
12393 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
12395 * genrecog.c (add_to_sequence): Fatal error if the modes of the
12396 operands of SET are incompatible.
12398 * alpha.md: Fix max and min patterns so modes of SET operands match.
12400 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
12402 * configure.in: Avoid [[ by using test and changequote.
12403 * configure: Rebuild.
12405 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12407 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
12409 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
12410 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
12411 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
12412 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
12413 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
12414 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
12415 Fix mismatching modes in SET operands.
12416 (conditional move patterns): Fix formatting.
12417 (unnamed subx arch64 pattern): Remove duplicate insn.
12419 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12421 * config/sparc/sparc.c (const64_operand, const64_high_operand):
12422 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
12423 (input_operand): Fixup test for what we accept for constant
12425 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
12427 (safe_constDI): Remove.
12428 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
12429 gen_safe_XOR64): New functions.
12430 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
12431 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
12433 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
12434 available when HOST_BITS_PER_WIDE_INT is not 64.
12435 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
12436 move before movdi_insn_sp64 pattern.
12437 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
12438 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
12439 symbolic_operand as predicate for second operand.
12440 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
12441 expander): Give set VOIDmode.
12443 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
12445 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
12447 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
12449 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
12451 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
12453 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
12455 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
12457 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
12459 * install.texi: Various SCO OpenServer tweaks.
12461 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
12463 * reload1.c (eliminate_regs_in_insn): Handle another case when
12464 eliminating the frame pointer to the hard frame pointer. Add
12465 missing ep->to_rtx check to one existing case.
12467 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
12469 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
12471 * tree.h: De-conditionalize init_priority code.
12473 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
12474 * collect2.c (NM_FLAGS): Change from -p to -n.
12476 * configure.in: Turn on collect2 for mipstx39-elf.
12477 Handle use_collect2=no properly.
12479 * c-common.c: De-conditionalize init_priority code.
12480 * collect2.c (extract_init_priority, sort_ids): New fns.
12481 (main): Call sort_ids.
12482 Move sequence_number to file scope.
12484 * configure.in: Handle --enable-init-priority.
12485 * c-common.c (attrs): Add A_INIT_PRIORITY.
12486 (init_attributes, decl_attributes): Likewise.
12487 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
12488 * tree.c (get_file_function_name_long): Split out...
12489 (get_file_function_name): ...from here.
12491 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
12493 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
12496 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
12498 * toplev.c (display_help): Add braces to shut up warnings.
12499 * tree.c (simple_cst_equal): Likewise.
12501 * fold-const.c (non_lvalue): Don't deal with null pointer
12503 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
12505 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
12506 of any size to a pointer.
12508 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
12510 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
12512 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
12514 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
12515 which will be saved.
12516 * mn10300.md (prologue insn): Only save registers which need saving.
12517 (epilogue insn): Similarly.
12519 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
12522 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
12524 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
12525 VAR_DECL's in gp addressable sections.
12527 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
12529 * sparc.c: Change return <exp> to <exp>; return; in functions
12531 * sparc.md: Add empty semicolon statement after final label in
12534 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12536 * config/sparc/sparc.md (define_insn addx_extend): Rename to
12537 addx_extend_sp64, only allow when TARGET_ARCH64.
12538 (define_insn addx_extend_sp32 and split): Version that works when
12540 (define_insn subx_extend): Likewise.
12541 (define_split adddi3 and subdi3 with zero extension): Fixup and
12542 correct bugs when not TARGET_ARCH64.
12544 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
12546 * except.c (set_exception_lang_code, set_exception_version_code):
12547 Use prototype-style definition if __STDC__, to match declaration
12550 * genemit.c: Change FAIL and DONE macros not to use loops.
12552 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
12554 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
12555 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
12557 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
12559 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
12561 * README.g77: Update from Craig.
12563 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12565 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
12566 type HOST_WIDE_INT.
12567 (safe_constDI sparc_emit_set_const64_quick1,
12568 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
12569 analyze_64bit_constant, const64_is_2insns,
12570 create_simple_focus_bits): Fix some bugs when compiled on real
12572 (function_arg_record_value_3, function_arg_record_value_2,
12573 function_arg_record_value): Add fully prototyped forward decls.
12574 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
12575 to cmpsi_insn and use on both 64 and 32 bit targets.
12576 (define_insn cmpsi_insn_sp64): Remove.
12577 (define_expand zero_extendsidi2): Allow for 32-bit target too.
12578 (define_insn zero_extendsidi2_insn): Rename to
12579 zero_extendsidi2_insn_sp64.
12580 (define_insn zero_extendsidi2_insn_sp32): New pattern and
12581 assosciated forced split for it.
12583 * config/sparc/sparc.c (const64_operand, const64_high_operand):
12585 * config/sparc/sparc.h: Declare them.
12586 (PREDICATE_CODES): Add them.
12587 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
12588 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
12590 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
12592 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
12593 in v9 case as the latter makes the Solaris assembler crash.
12595 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12597 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
12598 for TFmode when !v9. We require offsettable memory addresses.
12599 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
12600 DFmode register number conversions.
12601 * config/sparc/sparc.md (define_split DFmode moves): If register
12602 is a SUBREG do alter_subreg on it before using.
12603 (define_expand movtf): Fixup comment about alignment on v9.
12604 (define_split TFmode moves): Don't use gen_{high,low}part, create
12605 explicit SUBREGs instead.
12607 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
12609 * Makefile.in (mbchar.o): Depend on mbchar.c.
12611 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12612 Richard Henderson <rth@cygnus.com>
12614 Rewrite Sparc backend for better code generation and
12615 improved sparc64 support.
12616 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
12618 * config/sparc/sysv4.h: Likewise.
12619 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
12620 move_operand, v8plus_regcmp_op, emit_move_sequence,
12621 singlemove_string, doublemove_string, mem_aligned_8,
12622 output_move_double, output_move_quad, output_fp_move_double,
12623 move_quad_direction, output_fp_move_quad, output_scc_insn):
12625 (small_int_or_double): New predicate.
12626 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
12627 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
12628 old pic_{sethi,lo_sum}_si patterns.
12629 (mem_min_alignment): New generic function to replace
12630 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
12631 available and can test for arbitrary alignments. All callers
12633 (save_regs, restore_regs, build_big_number,
12634 output_function_prologue, output_cbranch, output_return,
12635 sparc_flat_save_restore, sparc_flat_output_function_prologue,
12636 sparc_flat_output_function_epilogue): Prettify
12638 (output_function_epilogue): Likewise and add code to output
12639 deferred case vectors.
12640 (output_v9branch): Likewise, add new arg INSN and use it to tack
12641 on branch prediction settings. All callers changed.
12642 (print_operand): Likewise and output %l44 for LO_SUMs when
12644 (sparc_splitdi_legitimate): New function to make sure DImode
12645 splits can be run properly when !arch64.
12646 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
12647 Reformat example code in comments.
12648 (set_extends): Remove UNSPEC/v8plus_clear_high case.
12649 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
12650 of deferred case vectors we need to output.
12651 (sparc_defer_case_vector): Record a case vector.
12652 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
12653 sparc_output_deferred_case_vectors): New functions to output them.
12654 (sparc_emit_set_const32): New function to form 32-bit constants in
12655 registers when that requires more than one instruction.
12656 (safe_constDI, sparc_emit_set_const64_quick1,
12657 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
12658 analyze_64bit_constant, const64_is_2insns,
12659 create_simple_focus_bits, sparc_emit_set_const64): New functions
12660 which do the same for 64-bit constants when arch64.
12661 (sparc_emit_set_symbolic_const64): New function to emit address
12662 loading for all code models on v9.
12663 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
12664 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
12665 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
12666 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
12667 inaccuracies in comments, add symbolic and text_segment operands
12668 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
12669 GENERAL_REGS in these cases as a temp REG is needed to load these
12670 addresses into a register properly.
12671 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
12673 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
12674 quads are guarenteed to have 16-byte alignment.
12675 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
12676 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
12677 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
12678 deferred case vector implementation.
12679 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
12680 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
12681 Generate "internal label - label" instead of "label - 1b".
12682 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
12683 (PREDICATE_CODES): Remove sparc_operand, move_operand,
12684 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
12686 (doublemove_string, output_block_move, output_fp_move_double,
12687 output_fp_move_quad, output_move_double, output_move_quad,
12688 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
12689 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
12690 (sparc_emit_set_const32, sparc_emit_set_const64,
12691 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
12692 mem_min_alignment, small_int_or_double): Add externs.
12693 * config/sparc/sparc.md: Document the many uses of UNSPEC and
12694 UNSPEC_VOLATILE in this backend.
12695 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
12696 unary to types which execute in it.
12697 (define_function_unit ieu_shift): Rename to ieu0.
12698 (define_function_unit ieu1): New, executes compare, call, and
12699 uncond_branch type insns.
12700 (define_function_units for type fdivs, fdivd, fsqrt): These
12701 execute in the fpu multiply unit not the adder on UltraSparc.
12702 (define_expand cmpdi): Disallow TARGET_V8PLUS.
12703 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
12704 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
12705 allows the arith_double_operand predicate and rHI constraint when
12707 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
12708 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
12709 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
12710 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
12711 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
12712 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
12713 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
12714 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
12715 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
12716 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
12717 sign_extendqihi2_insn, sign_extendqisi2_insn,
12718 sign_extendqidi2_insn, sign_extendhidi2_insn,
12719 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
12720 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
12721 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
12722 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
12723 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
12724 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
12725 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
12726 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
12727 smulsi3_highpart_v8plus, unnamed subreg mult,
12728 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
12729 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
12730 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
12731 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
12732 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
12733 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
12734 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
12735 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
12736 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
12737 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
12738 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
12739 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
12740 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
12741 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
12742 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
12743 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
12744 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
12745 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
12746 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
12747 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
12748 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
12749 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
12750 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
12751 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
12752 call_address_untyped_struct_value_sp32,
12753 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
12754 call_value_symbolic_sp32, call_value_address_sp64,
12755 call_value_symbolic_sp64, branch_sp32, branch_sp64,
12756 flush_register_windows, goto_handler_and_restore,
12757 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
12758 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
12759 return_addsi, return_di, return_adddi, return_sf, all call+jump
12760 peepholes, trap, unnamed trap insns): Prettify output strings.
12761 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
12762 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
12763 Likewise and force + implement splits for integer cases.
12764 (define_insn return_sf_no_fpu): Likewise and allow to match when
12765 no-fpu because of our subreg SFmode splits.
12766 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
12767 zero_extendqidi2_insn, zero_extendhidi2_insn,
12768 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
12769 input_operand for second operand.
12770 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
12771 reg_or_0_operand for operand 2 so new splits can use it.
12772 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
12773 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
12775 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
12776 CONST_DOUBLEs for operand 2.
12777 (define_insn move_label_di): Likewise and label distance
12778 optimization because it no longer works with new deferred case
12779 vector scheme. To be revisited.
12780 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
12781 and allow reg_or_0_operand and J constraint for second operand.
12782 (define_insn jump): Set branch predict taken on V9.
12783 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
12784 new deferred case vector scheme.
12785 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
12786 (define_insn negdi2_sp32): Force + implement splits.
12787 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
12788 one_cmplsi2_not_liveg0 respectively, and create expander of original
12789 names which emit special rtl for TARGET_LIVE_G0.
12790 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
12791 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
12792 gen_compare_reg, FAIL instead.
12793 (define_insn sgtu, sleu): Likewise and check gen_s*() return
12794 values when trying to reverse condition codes, if they FAIL then
12796 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
12797 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
12798 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
12799 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
12800 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
12801 set output string to # to indicate they are mandatory splits.
12802 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
12803 pic_sethi_di, move_pic_label_si): Remove.
12804 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
12805 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
12807 (define_expand movsi_pic_label_ref, define_insn
12808 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
12809 expander and insns to handle PIC label references and deferred
12811 (define_insn get_pc_via_rdpc): Comment out as it is no longer
12813 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
12814 Rewrite to not use emit_move_sequence, make use of new constant
12815 formation code, and new splits for all multi-insn cases.
12816 (define_insn movqi_insn): Remove sethi case, it can never happen.
12817 Use reg_or_zero_operand instead of const0_rtx explicit test,
12818 use input_operand instead of move_operand for source, and use
12819 general_operand now for dest.
12820 (define_insn movhi_insn): Similar but leave sethi case.
12821 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
12822 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
12823 movhi_lo_sum respectively, prettify output string.
12824 (define_insn movsi_zero_liveg0): New pattern to put zero into a
12825 register when needed on TARGET_LIVE_G0.
12826 (define_insn movsi_insn): Use general_operand and input_operand
12827 for dest and src respectively. Simplify applicability test.
12828 Prettify output strings, and add clr alternative for J
12830 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
12831 deprecated std and reg-reg DI moves): Remove and...
12832 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
12833 implementation which uses forced splits for all non-single insn
12835 (define_split DI move cases on !arch64): New splits to handle all
12836 situations of 64-bit double register DImode on 32bit, and
12837 unaligned registers and memory addresses for all subtargets.
12838 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
12840 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
12841 input_operand for dest and src respectively, prettify output
12843 (define_insn movdf_insn, movdf_no_e_insn, store_df,
12844 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
12846 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
12847 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
12848 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
12849 movtf_no_e_insn_sp64) Replace with new
12850 implementation which uses forced splits for all non-single insn
12852 (define_split DF move cases): New splits in similar vein to DI
12854 (define_insn sethi_di_medlow, sethi_di_medium_pic,
12855 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
12856 movdi_sp64_insn): Remove old v9 code model and constant loading
12857 support insns and..
12858 (define_insn pic_lo_sum_di, pic_sethi_di,
12859 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
12860 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
12861 embmedany_sethi, embmedany_losum, embmedany_brsum,
12862 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
12863 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
12864 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
12865 scheme, using unspecs, secondary reloads, and one to one sparc
12866 insn to rtl insn mapping for better scheduling and code gen.
12867 (define_expand reload_indi, reload_outdi): Reload helpers for
12868 MEDANY and EMBMEDANY symbol address loading cases which require a
12869 temporary register.
12870 (define_expand movsicc): Remove v8plus_regcmp cases.
12871 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
12872 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
12873 cmp_diqi_trunc_set): New patterns used by some of the new scc
12875 (define_insn xordi3_sp64_dbl): New pattern used for constant
12876 formation when crossing from 32-bit targets.
12877 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
12879 (define_insn addx, subx): Make visible and prettify.
12880 (define_insn adddi3_insn_sp32): Likewise and force split.
12881 (define_insn addx_extend, subx_extend, unnamed): New patterns for
12882 64bit scc split usage.
12883 (define_insn unnamed plusDI zero_extend, unnamed minusDI
12884 zero_extend, subdi3): Force and implement splits.
12886 * final.c (final_scan_insn): Don't output labels if target
12887 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
12890 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
12891 don't forget to walk inside SEQUENCESs too as these are what the
12892 delay slot scheduler will create.
12894 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
12896 * alpha.md (extxl+1,+2): New patterns to work around
12899 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
12901 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
12902 caused bad assembly code to be generated.
12904 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
12906 * netbsd.h: Fix typo.
12908 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
12910 * config.sub: Fix typo.
12912 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
12914 * invoke.texi (Environment Variables): Typo: Change "ascpects"
12916 (Running Protoize): Typo: Change "ther" into "other".
12918 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
12920 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
12921 * m68k/netbsd.h: Likewise.
12922 * ns32k/netbsd.h: Likewise.
12923 * sparc/netbsd.h: Likewise.
12925 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
12927 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
12928 * ginclude/va-clipper.h (va_list): Likewise.
12930 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
12932 * rs6000.c (rs6000_override_options): If big endian and -Os, use
12933 load/store multiple instructions unless user overrides.
12935 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
12937 * ns32k/netbsd.h: Fix typo.
12939 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
12941 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
12942 labels with .debugsym if no parallel insns.
12944 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
12946 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
12947 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
12949 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@gnu.org>
12951 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
12952 (AR_FOR_TARGET): Define.
12954 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
12956 * dyn-string.h: New file.
12957 * dyn-string.c: Likewise.
12958 * Makefile.in (OBJS): Add dyn-string.o.
12959 (dwarf2out.o): Add dyn-string.h dependency.
12960 (dyn-string.o): List dependencies.
12961 * dwarf2out.c: Include dyn-string.h.
12962 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
12963 (addr_const_to_string): Take a dyn_string_t, not a char* as a
12964 prototype. Use dyn_string_append rather than strcat, throughout.
12965 (addr_to_string): Use dyn_string_t.
12967 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
12969 Function entry/exit profiling instrumentation:
12970 * expr.h (profile_function_entry_libfunc,
12971 profile_function_exit_libfunc): Declare new variables.
12972 * optabs.c: Define them here.
12973 (init_optabs): Initialize them.
12974 * tree.h (struct tree_decl): New flag
12975 no_instrument_function_entry_exit.
12976 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
12977 * c-decl.c (duplicate_decls): Merge it.
12978 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
12979 (init_attributes): Use it for "no_instrument_function".
12980 (decl_attributes): Handle it, for functions that have not yet been
12981 compiled. Set decl flag.
12982 * flags.h (flag_instrument_function_entry_exit): Declare new
12984 * toplev.c (flag_instrument_function_entry_exit): Define it here.
12985 (f_options): New option "instrument-functions".
12986 * function.h (struct function): New field instrument_entry_exit.
12987 * function.c (current_function_instrument_entry_exit): New
12989 (push_function_context_to, pop_function_context_from): Save and
12991 (expand_function_start): Set current_ variable, maybe emit return
12992 label and entry profile call.
12993 (expand_function_end): Maybe emit exit profile call.
12995 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
12997 * i386.md (movqi): When optimizing a load of (const_int 1) into a
12998 NON_QI_REG_P, pretend the register is SImode.
13000 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
13002 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
13003 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
13004 manufacturer id for ns32k.
13005 * configure: Regenerated.
13006 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
13007 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
13008 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
13009 * config/m68k/netbsd.h: Same.
13010 * config/ns32k/netbsd.h: Same.
13011 * config/sparc/netbsd.h: Same.
13013 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
13015 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
13016 or UNROLL_COMPLETELY loop that starts with a jump to its
13019 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@gnu.org>
13021 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
13022 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
13023 (print_operand, case 'B'): Don't fall through.
13024 (print_operand, case 'S'): Correct mask begin/end computation.
13025 Use HOST_BITS_PER_WIDE_INT.
13026 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
13027 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
13028 * rs6000/aix41.h (CPP_PREDEFINES): Same.
13029 * rs6000/aix43.h (CPP_PREDEFINES): Same.
13031 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
13033 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
13034 constraint from second alternative.
13036 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
13038 * configure.in: Fix --without/--disable cases for local-prefix,
13039 gxx-include-dir and checking.
13041 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13043 * configure.in (enable_haifa): Set by default for sparc64 too.
13044 configure: Rebuilt.
13046 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
13048 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
13049 * i386/winnt.c (associated_type): New fn.
13050 (i386_pe_valid_type_attribute_p): New fn.
13051 (i386_pe_check_vtable_importexport): Remove.
13052 (i386_pe_dllexport_p): Use associated_type.
13053 (i386_pe_dllimport_p): Likewise.
13055 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
13056 * i386.c (i386_valid_type_attribute_p): Also accept
13057 attributes for METHOD_TYPEs.
13059 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
13061 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
13063 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
13065 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
13067 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
13068 them from generating a new base name for each occurence of
13071 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
13073 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
13075 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
13079 * cplus-dem.c (type_kind_t): New type.
13080 (demangle_template_value_parm): Add type_kind_t parameter. Rely
13081 on this paramter, rather than demangling the type again.
13082 (demangle_integral_value): Pass tk_integral.
13083 (demangle_template_: Pass the value returned from do_type.
13084 (do_type): Return a type_kind_t. Pass tk_integral to
13085 demangle_template_value_parm for array bounds.
13086 (demangle_fund_type): Likewise.
13088 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
13090 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
13093 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
13095 * pa.c (move_operand): Accept CONSTANT_P_RTX.
13097 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
13099 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
13101 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
13104 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
13106 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
13107 (DEBUGGER_ARG_OFFSET): Likewise.
13109 * mn10300.md (movsf): Remove last change. Not needed.
13111 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
13113 * c-lex.c (yylex): Fix boundary conditions in character literal and
13114 string literal loops.
13116 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
13118 * longlong.h (count_leading_zeros): Sparclite scan instruction was
13119 being invoked incorrectly.
13121 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
13122 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
13124 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
13125 * configure.in: Added i[34567]86-*-win32
13126 * config.sub: Ditto.
13127 * configure: Rebuilt.
13129 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
13131 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
13132 the frame pointer and compiling PIC code and reload has not completed.
13134 * i386.c (output_to_reg): Add code to emulate non-popping DImode
13137 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
13139 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
13141 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
13143 * Makefile.in (install-info): Only try to update the info
13144 directory file if it exists in the first place.
13146 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
13148 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
13150 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
13152 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
13153 CONST_DOUBLE source.
13155 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
13157 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
13158 strings as the insertion of USER_LABEL_PREFIX.
13159 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
13161 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
13164 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
13166 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
13167 already defined type.
13169 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
13171 * expr.c (check_max_integer_computation_mode): Allow conversions
13172 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
13173 (expand_expr): Likewise.
13175 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
13177 * expr.c (expand_expr): Expand RETURN_EXPR.
13179 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
13181 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
13183 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
13185 * dwarf2out.c (output_aranges): Call stripattributes
13186 for TEXT_SECTION references.
13187 (output_line_info): Likewise.
13189 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13191 * profile.c (branch_prob): Call allocate_reg_info after outputting
13192 profile rtl in instrument_arcs.
13194 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
13196 * fixinc.irix (math.h): Install wrapper instead of copying.
13198 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
13200 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
13201 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
13202 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
13203 lang_flag_0. Added documentation in the flag table.
13205 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
13207 * cccp.c (do_include): Fix vax c style include handling.
13209 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
13211 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
13213 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
13215 * fold-const.c (non_lvalue): Don't deal with null pointer
13217 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
13219 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@gnu.org>
13221 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
13222 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
13223 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
13224 (u_short_cint_operand): Same.
13225 (reg_or_cint_operand): Same.
13226 (logical_operand): Same.
13227 (input_operand): Same.
13228 (reg_or_short_operand): Use u_short_cint_operand.
13230 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
13232 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
13233 but keep the insns and splits. Adjust so when the ultimate destination
13234 is memory, use cvtql.
13236 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
13238 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
13240 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
13242 * gcc.c (do_spec): Call "error" not "warning".
13244 * configure.in: Fix minor problems with gas feature detection code.
13245 * configure: Rebuilt.
13247 * gcc.c (do_spec): Issue a warning for '%[]' usage.
13249 * Undo this change.
13250 * gcc.c: Delete %[spec] support.
13251 (do_spec_1, case '('): Likewise.
13252 (do_spec_1, case '['): Call error.
13254 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
13256 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
13257 (CPP_SUBTARGET_SPEC): Default to empty string.
13258 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
13259 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
13260 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
13261 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
13263 * alpha/linux.h (CPP_PREDEFINES): Tidy.
13264 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
13265 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
13266 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
13267 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
13268 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
13269 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
13270 * alpha/vxworks.h: Likewise.
13272 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
13274 * mips.md (reload_outsi): Added missing REGNO call.
13275 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
13277 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
13278 another match_operator and compare the codes.
13280 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
13282 * MIPS multiply pattern fixes:
13283 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
13284 Add union classes for HI, LO, or HILO plus general registers.
13285 (GENERATE_MADD): Deleted.
13286 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
13287 Add TARGET_MAD to condition.
13288 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
13289 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
13290 "*d" for accumulator, to give preference to LO initially but not
13293 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
13295 * configure.in (enable_c_mbchar): New configure option.
13296 (extra_cpp_objs): Always available now.
13298 * cexp.y (mbchar.h): #include it.
13299 (yylex): Handle Multibyte characters in character literals.
13301 * cccp.c (mbchar.h): #include it.
13302 (main): Set character set based on LANG environment variable.
13303 (rescan): Handle multibyte characters in comments.
13304 (skip_if_group): See above.
13305 (validate_else): See above.
13306 (skip_to_end_of_comment): See above.
13307 (macarg1): See above.
13308 (discard_comments): See above.
13309 (rescan): Handle multibyte characters in string and character literals.
13310 (collect_expansion): See above.
13311 (skip_quoted_string): See above.
13312 (macroexpand): See above.
13313 (macarg1): See above.
13314 (discard_comments): See above.
13315 (change_newlines): See above.
13317 * c-lex.c (mbchar.h): #include it.
13318 (GET_ENVIRONMENT): New macro.
13319 (init_lex): Set character set based on LANG environment variable.
13320 (yylex): Handle multibyte characters in character literals.
13321 (yylex): Handle multibyte characters in string literals.
13323 * Makefile.in (mbchar.o): New target.
13324 (cccp$(exeext)): @extra_cpp_objs@ is always available.
13325 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
13327 * mbchar.[ch]: New files for multibyte character handling.
13329 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13331 * jump.c (jump_optimize): When simplifying noop moves and
13332 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
13333 the PUSHes to rewrite in second loop as we did in the first.
13335 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13337 * cplus-dem.c (demangle_nested_args): Make function definition
13338 static to match the prototype.
13340 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
13342 * alloca.c: Respect USE_C_ALLOCA.
13343 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
13344 * gengenrtl.c (xmalloc): Likewise.
13346 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
13348 * loop.h (struct induction): Add no_const_addval.
13349 * loop.c (the_movables, reg_address_cost): New variables.
13350 (init_loop): Init reg_address_cost.
13351 (loop_optimize): Call end_alias_analysis.
13352 (scan_loop): Init the_movables.
13353 (record_giv): Init induction->no_const_addval.
13354 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
13355 [REG]: Rearrange loop search test to catch more cases.
13356 (general_induction_var): Return success not benefit; take an extra
13357 argument for that. Change all callers.
13358 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
13359 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
13360 [default]: Search the_movables for additional combinations.
13361 (sge_plus_constant, sge_plus): New functions.
13362 (express_from_1): New function.
13363 (express_from): Always define. Rewrite using express_from_1.
13364 (combine_givs_p): Handle more cases. Ignore address cost.
13365 (cmp_combine_givs_stats): New function.
13366 (combine_givs_used_once, combine_givs_benefit_from): New functions.
13367 (combine_givs): Rewrite to do best-fit combination.
13369 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
13370 (fold): Do a complete (A*C)+(B*C) association check.
13372 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
13374 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
13376 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
13378 * mn10300.c (MODES_TIEABLE_P): Fix typo.
13380 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
13382 * tree.c (valid_machine_attribute): Only create a new type variant if
13383 there is a decl to use it.
13385 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
13387 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
13390 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
13392 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
13395 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
13397 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
13398 Simplify tests for clearing an address register.
13399 (expand_prologue): Corresponding changes.
13401 * mn10300.md (movXX patterns): Make sure the destination is an
13402 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
13403 (logical patterns): Split into expanders + patterns
13404 (zero and sign extension patterns): Similarly.
13405 (shift patterns): Similarly.
13407 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
13409 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
13410 for the sequence, recording base values.
13412 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
13414 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
13416 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
13418 * gcc.c: Remove ANSI-C ism from --help code.
13420 * toplev.c: Support --help with USE_CPPLIB.
13422 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
13424 * configure.in: Rework gas feature code to work with symlink based
13427 * extend.texi: Clarify some issues related to local variables
13428 assigned to explicit registers.
13430 * mn10300.md (mulsi): Turn into expander + pattern.
13432 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
13435 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
13437 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
13439 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
13441 * version.c: Bump again to distinguish mainline tree from the
13444 See ChangeLog.0 for earlier changes.
13447 add-log-time-format: current-time-string
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