1 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
3 * version.c: Bump for snapshot.
5 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7 * invoke.texi (C Dialect Options): Put back missing @end itemize.
9 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
11 * configure.in: remove usage of `!' to negate the result of a
12 command; some common shells do not support it
14 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
16 * configure.in: in sparc9-sol2 config, use 'if test' not
20 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
22 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
23 (CPP_CPU_DEFAULT_SPEC): Likewise.
24 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
27 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
30 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
32 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
34 * collect2.c: Don't declare `sys_siglist' here.
35 (my_strsignal): Prototype and define new function. Use it in
36 place of `sys_siglist' hacks.
38 * mips_tfile.c: Likewise.
40 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
41 (GCC_NEED_DECLARATIONS): Likewise.
43 * system.h (strsignal): Prototype it, if necessary.
44 (sys_siglist): Declare it, if necessary.
46 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
48 * loop.c (move_movables): While removing insn sequences, preserve
49 the next pointer of the most recently deleted insn when we skip
52 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
54 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
55 supported with -mcpu=xxx.
57 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
59 * flow.c (mark_set_1): Recognize multi-register structure return
61 (mark_used_regs): Likewise.
62 (count_reg_sets_1): Likewise.
63 (count_reg_references): Likewise.
64 * rtlanal.c (note_stores): Likewise.
65 (reg_overlap_mentioned_p): Likewise.
66 * haifa-sched.c (check_live_1): Likewise.
67 (update_live_1): Likewise.
68 (sched_analyze_1): Likewise.
69 (sched_note_set): Likewise.
70 (birthing_insn_p): Likewise.
71 (attach_deaths): Likewise.
73 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
76 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
78 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
80 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
82 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
84 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
86 * configure.in: Add check for GAS subsection -1 support.
87 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
88 * configure config.in: Rebuilt.
89 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
90 SImode is subsection -1 works, else use DImode.
91 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
93 * config/sparc/sparc.c (sparc_output_addr_vec,
94 sparc_output_addr_diff_vec): Use them if defined.
96 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
98 * tree.h (DECL_ORIGIN): New macro.
99 * integrate.c (copy_and_set_decl_abstract_origin): New function.
100 (copy_decl_list): Use it.
101 (integrate_parm_decls): Likewise.
102 (integrate_decl_tree): Likewise.
103 * dwarf2out.c (decl_ultimate_origin): Simplify.
104 * dwarfout.c (decl_ultimate_origin): Likewise.
105 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
106 (pushdecl): Likewise.
108 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
110 * config/rs6000/rs6000.c (output_epilog): Add Java support.
112 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
114 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
116 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
118 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
119 empty or has a single entry.
121 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
122 before calling reg_to_stack.
124 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
126 * alpha.c (alphaev5_insn_pipe): Abort on default case.
127 (alphaev5_next_group): Swallow CLOBBERs and USEs.
129 * c-tree.h (warn_long_long): Declare it.
131 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
133 * emit-rtl.c (gen_lowpart_common): Disable optimization of
134 initialized float-int union if the value is a NaN.
136 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
138 * c-lex.c (real_yylex): Don't warn about long long constants if
139 we're allowing long long
141 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
143 * except.h (current_function_eh_stub_label): Declare.
144 (current_function_eh_old_stub_label): Declare.
145 * function.h (struct function): New members eh_stub_label and
147 * except.c (current_function_eh_stub_label): New variable.
148 (current_function_eh_old_stub_label): New variable.
149 (init_eh_for_function): Clear them.
150 (save_eh_status): Save them.
151 (restore_eh_status): Restore them.
152 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
153 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
154 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
155 make an edge from the block that contains it to the block starting
156 with the label if this label is one of the eh stub labels.
157 If eh stub labels exist, show they are reachable from the last block
160 * reload1.c (reload): Break out several subroutines and make some
162 (calculate_needs_all_insns): New function, broken out of reload.
163 (calculate_needs): Likewise.
164 (find_reload_regs): Likewise.
165 (find_group): Likewise.
166 (find_tworeg_group): Likewise.
167 (something_needs_reloads): New global variable, formerly in reload.
168 (something_needs_elimination): Likewise.
169 (caller_save_spill_class): Likewise.
170 (caller_save_group_size): Likewise.
171 (max_needs): Likewise.
172 (group_size): Likewise.
173 (max_groups): Likewise.
174 (max_nongroups): Likewise.
175 (group_mode): Likewise.
176 (max_needs_insn): Likewise.
177 (max_groups_insn): Likewise.
178 (max_nongroups_insn): Likewise.
181 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
183 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
185 * loop.c (load_mems): Copy rtx for output mem.
187 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
189 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
190 mips1 or mips2 either.
192 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
194 * pa.c (pa_reorg): New marking scheme for jumps inside switch
196 (pa_adjust_insn_length): Update to work with new marking scheme
197 for jumps inside switch tables.
198 * pa.md (switch_jump): Remove pattern.
199 (jump): Handle jumps inside jump tables.
201 * Makefile.in (profile.o): Depend on insn-config.h
203 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
205 * iris6.h (DWARF2_UNWIND_INFO): Undef.
207 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
209 Add preliminary native sparcv9 Solaris support.
210 * configure.in: Recognize sparv9-*-solaris2*
212 * config.sub: Recognize sparcv9 just like sparc64.
213 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
214 config/sparc/sol2-cn.asm: Macroize so it can be shared between
215 32-bit and 64-bit Solaris systems.
216 * config/sparc/t-sol2: Assemble those with cpp.
217 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
218 (*TF*_LIBCALL): If ARCH64 use V9 names.
219 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
221 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
223 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
224 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
226 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
228 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
229 to Pmode if CASE_VECTOR_MODE is something else.
231 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
233 * prefix.c (update_path): Correctly handle cases where PATH is
234 a substring of the builtin prefix, but specifies a different
237 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
239 * expr.c: Corrected comment about what MOVE_RATIO does.
240 * config/alpha/alpha.h: Ditto.
241 * config/1750a/1750a.h: Ditto.
242 * config/clipper/clipper.h: Ditto.
243 * config/i386/i386.h: Ditto.
245 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
247 * configure.in (m68k-next-nextstep3*): Use collect2.
248 Similarly for x86 NeXT configurations.
249 * configure: Rebuilt.
251 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
253 * configure.in: Don't assume srcdir is .../gcc
254 * configure: Rebuilt.
256 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
258 * global.c: Update comments.
259 (global_alloc): Assign allocation-numbers
260 even for registers allocated by local_alloc in case
261 they are later spilled and retry_global_alloc is called.
262 (mark_reg_store, mark_reg_clobber,
263 mark_reg_conflicts, mark_reg_death): Always record a
264 conflict with a pseudo register even if it has been
265 assigned to a hard register.
266 (dump_conflicts): Don't list pseudo registers already assigned to
267 a hard register as needing to be allocated, but do list their
269 * local-alloc.c: Update comment.
271 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
273 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
274 * configure: Rebuilt.
276 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
278 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
280 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
281 for all targets that set -msoft-float.
283 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
285 * toplev.c (print_switch_values): Make static to match prototype.
287 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
289 * configure.in: If we are unable to find the "gnatbind" program,
290 then do not configure the ada subdir.
291 * configure: Rebuilt.
293 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
295 * version.c: Bump for snapshot.
297 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
299 * version.c: Bump for snapshot.
301 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
303 * Makefile.in (toplev.o): Depend on $(EXPR_H).
304 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
306 * gansidecl.h: Define ATTRIBUTE_NORETURN.
308 * genattrtab.c: Have insn-attrtab.c include toplev.h.
310 * genextract.c: Have insn-extract.c include toplev.h.
312 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
314 * toplev.c: Include expr.h.
315 (really_sorry, fancy_abort): Remove prototypes.
316 (set_target_switch): Add argument in prototype.
317 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
318 (v_really_sorry): Likewise.
319 (print_version, print_single_switch, print_switch_values): Make
320 static and add prototype arguments.
321 (decl_printable_name): Add prototype arguments.
322 (lang_expand_expr_t): New typedef.
323 (lang_expand_expr): Declare as a lang_expand_expr_t.
324 (incomplete_decl_finalize_hook): Add prototype argument.
325 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
326 (botch): Likewise for variable `s'.
327 (rest_of_type_compilation): Mark variables `type' and `toplev'
328 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
329 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
330 (display_help): Make variable `i' an `unsigned long'.
331 (main): Remove unused parameter `envp'.
332 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
333 Cast -1 when comparing it with a `size_t'.
335 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
336 prototype with ATTRIBUTE_NORETURN.
337 (fatal_insn_not_found, fatal_insn, really_sorry,
338 push_float_handler, pop_float_handler): Add prototypes.
339 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
340 (do_abort, botch): Add prototypes.
342 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
344 * final.c (final): If a label is reached only from a single jump,
345 call NOTICE_UPDATE_CC on the jump and its predecessor before
346 emitting the insn after the label.
348 * i386.h: Add AMD K6 support.
349 Change TARGET_* macros to use table lookup.
350 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
351 (ADJUST_COST): Change definition to call function in i386.c.
352 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
353 * i386.c: Add AMD K6 support.
354 Add constants for feature tests used by TARGET_* macros.
355 (split_di): If before reload, call gen_lowpart and gen_highpart.
356 (x86_adjust_cost): New function.
357 (put_jump_code): New function.
358 (print_operand): New codes 'D' and 'd'.
359 * i386.md: New insn types. New insn attribute "memory".
360 Redefine scheduling parameters to use new types and add AMD K6
361 support. Explicitly set type of most insns.
362 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
363 Pro and K6 prefer movl $1,reg to incl reg.
364 (adddi3, subdi3): Set cc_status.
365 (DImode shift patterns): Change label counters from HOST_WIDE_INT
366 to int; x86 can't have more than 2^31 DImode shifts per file.
367 (setcc): Combine all setcc patterns. Allow writing memory.
368 Combine all jump patterns using match_operator.
369 (*bzero): Name pattern. Emit mutliple stos instructions when that
370 is faster than rep stos.
371 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
374 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
376 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
379 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
381 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
382 not whatever we're generating now.
384 * alpha.c (set_frame_related_p, FRP): New.
385 (alpha_expand_prologue): Mark frame related insns.
386 (alpha_expand_epilogue): Likewise, but with a null FRP.
387 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
388 * alpha.md (exception_receiver): New.
389 * alpha/crtbegin.asm (.eh_frame): New beginning.
390 (__do_frame_setup, __do_frame_takedown): New.
391 * alpha/crtend.asm (.eh_frame): New ending.
392 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
393 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
394 (ASM_FILE_START): Don't emit .file for dwarf2.
396 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
397 * rtl.c (reg_note_name): Likewise.
398 * rtl.texi (REG_NOTES): Likewise.
399 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
402 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
404 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
405 * i386.md (movsf, movdf, movxf): Validate memory address returned
406 from force_const_mem. Kill useless REG_EQUAL setting code.
408 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
410 * m68k.md (zero_extendsidi2): Fix typo.
412 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
414 * configure.in: Removed references to the removed file
415 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
416 * arm*-*-netbsd* and ns32k-*-netbsd*.
417 * config/i386/xm-netbsd.h: Removed unnecessary file.
418 * config/m68k/xm-netbsd.h: Likewise.
419 * config/sparc/xm-netbsd.h: Likewise.
420 * config/mips/xm-netbsd.h: Likewise.
422 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
424 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
425 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
427 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
428 for exact section attributions.
430 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
432 * i386/crtdll.h (CPP_PREDEFINES): Define.
434 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
436 * m68k.md (5200 movqi): Do not allow byte sized memory references
438 * m68k.c (output_move_qimode): Do not use byte sized operations on
441 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
442 explicit rules for building. Similarly for alloca, vfprintf,
443 choose-temp and mkstemp, getopt, getopt1, and obstack.
444 (INCLUDES): Add $(srcdir)/../include.
445 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
446 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
448 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
450 * gcc.c (do_spec_1): [case 'o'] Account for
451 lang_specific_extra_outfiles.
452 (main): Correctly clear all slots in outfiles for
453 lang_specific_extra_outfiles. Set input_file_number before
454 calling lang_specific_pre_link.
456 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
458 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
460 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
462 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
464 (sparc_output_deferred_case_vectors): If no work to do, return.
465 Fix thinko in Sept 1 change.
467 1998-09-03 SL Baur <steve@altair.xemacs.org>
469 * Makefile.in: add semicolon in BISON definition for portability.
471 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
473 * config/nextstep.c (handle_pragma): Correct name of third
476 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
478 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
479 * config/m32r/m32r.h: Make register 17 be fixed.
480 * config/m32r/m32r.c: Use SImode for cc operations.
482 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
484 * invoke.texi (Warning Options): Add -Wnon-template-friend
487 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
489 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
491 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
493 * rs6000.md (movsf): Disable explicit secondary-reload-like
494 functionality if TARGET_POWERPC64.
495 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
498 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
500 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
501 and term.h from fixinc.wrap.
503 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
505 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
506 safe to include both string.h and strings.h together.
507 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
508 which headers to search for function declarations. Continue to
509 prefer string.h over strings.h when both are not acceptable.
511 * acconfig.h (STRING_WITH_STRINGS): Add stub.
513 * configure.in: Call GCC_HEADER_STRING.
515 * system.h: Test STRING_WITH_STRINGS when deciding which headers
516 to include. Continue to prefer string.h over strings.h when both
519 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
521 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
522 not assume top 32-bits of symbolic addresses are zero if
525 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
527 * ginclude/va-alpha.h: Protect entire second portion of the
528 file against double inclusion.
530 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
532 Added support for the Boehm's garbage collector.
533 * configure.in: Handle --enable-objc-gc.
534 * configure: Rebuilt.
535 * Makefile.in (CHECK_TARGETS): Add check-objc.
536 (check-objc): New rule.
537 * objc/Make-lang.in: Build a different Objective-C library that
538 runs with the Boehm's collector.
539 * objc/encoding.c (objc_round_acc_size_for_types): New function.
540 * objc/encoding.c: Correctly compute the size of compound types in
541 the presence of bitfields. Skip the variable name of the type if
542 any. Added support for long long.
543 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
544 (_F_GCINVISIBLE): New mask.
545 * objc/gc.c: New file. Compute the type memory mask associated with
546 a class based on the runtime information.
547 * objc/misc.c: Added the hooks that use the Boehm's collector
548 allocation functions.
549 * objc/objc-act.c (build_class_template): Generate a new class
550 member (gc_object_type) to hold the class' type memory mask.
551 (build_shared_structure_initializer): Initialize the new member to
553 (encode_complete_bitfield): New function. Generate the new
555 (encode_field_decl): Generate the new encoding only for the GNU
557 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
559 (class_get_gc_object_type): New function to mark a pointer instance
560 variable as a weak pointer.
561 * objc/objc-features.texi: New file.
562 * objc/objc.h (gc_object_type): New class member.
563 * objc/objects.c (class_create_instance): Create a typed memory
564 object when compiled with Boehm's collector support.
565 * objc/sendmsg.c (__objc_init_install_dtable): Call
566 __objc_send_initialize instead of setting the initialize flag.
567 (__objc_send_initialize): Call __objc_generate_gc_type_description
568 to generate the class type memory mask. Rewrite the code that
569 sends the +initialize so that it is called only once (bug report
570 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
571 * testsuite/objc: New testsuite for Objective-C type encoding.
572 * testsuite/lib/objc-torture.exp: New file.
573 * testsuite/lib/objc.exp: New file.
575 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
577 * jump.c (jump_optimize): In if/then/else transformations, add
578 another call to modified_between_p for the jump insn.
580 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
582 * fix-header.c (symlink): Treat like readlink.
584 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
586 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
589 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
591 * config/nextstep.h: Update HANDLE_PRAGMA macro.
592 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
593 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
595 * config/nextstep.c (handle_pragma): Take three arguments, as per
596 the new HANDLE_PRAGMA macro specification.
597 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
598 per the new HANDLE_PRAGMA macro specification.
599 * config/i960/i960.c (process_pragma): Take three arguments, as
600 per the new HANDLE_PRAGMA macro specification.
602 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
604 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
605 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
606 if unknown pragmas are encountered.
607 (handle_sysv_pragma): Interpret return code from
608 handle_pragma_token (). Return success/failure indication rather
609 than next unprocessed character.
610 (pragma_getc): New function: retrieves characters from the
611 input stream. Defined when HANDLE_PRAGMA is enabled.
612 (pragma_ungetc): New function: replaces characters back into the
613 input stream. Defined when HANDLE_PRAGMA is enabled.
615 * c-pragma.c (handle_pragma_token): Return success/failure status
618 * c-pragma.h: Change prototype of handle_pragma_token().
620 * varasm.c: (handle_pragma_weak): Only create this function if
621 HANDLE_PRAGMA_WEAK is defined.
623 * c-common,c (decl_attributes): If defined call the expression
624 contained within the INSERT_ATTRIBUTES macro before adding
625 attributes to a decl.
627 * tm.texi (HANDLE_PRAGMA): Document the new verion of
628 HANDLE_PRAGMA, which takes three arguments.
629 (INSERT_ATTRIBUTES): Document this new macro.
631 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
632 new INSERT_ATTRIBUTES macro.
634 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
636 * config/sparc/sparc.md (movdf): Only generate special RTL for
638 (move_label_di): Remove
639 (movdi_pic_label_ref, movdi_high_pic_label_ref,
640 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
642 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
643 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
644 output an .xword for all 64-bit cases.
646 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
648 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
649 alignment, use FUNCTION_BOUNDARY instead.
650 (sparc_output_deferred_case_vectors): Likewise.
652 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
654 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
655 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
657 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
659 * alpha/va_list.h: New file.
660 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
662 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
664 * NEWS: Add SCO Openserver and Unixware 7 notes.
668 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
670 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
671 (record_constant_1): Handle RANGE_EXPR.
673 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
675 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
676 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
677 and NOTE_INSN_RANGE_END specially.
678 (reemit_notes): Likewise.
680 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
682 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
683 (ultrasparc_sched_init): Remove unneeded &.
685 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
687 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
688 for m68020-60, to prevent the use of fintrz.
690 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
692 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
694 * Makefile.in: Likewise.
695 * configure: Regenerated.
697 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
699 * configure.in (gxx_include_dir): Changed to
700 '${prefix}/include/g++'-${libstdcxx_interface}.
701 * configure: Rebuilt.
703 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
705 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
707 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
708 *sequences* *below* which scalar moves will be used.
710 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
712 * collect2.c (mktemp): Delete unused declaration.
714 * config/xm-netbsd.h: Remove unnecessary file.
715 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
716 file anymore, it is not needed.
718 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
720 * convert.c (convert_to_integer): Issue an error on conversions to
723 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
725 * Makefile.in: Add lang_tree_files and gencheck.h.
726 * configure.in: Generate them.
727 * gencheck.c: Include gencheck.h.
729 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
731 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
732 movdi_lo_sum_pic and movdi_high_pic and make visible.
733 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
734 emit these when Pmode is not SImode.
735 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
737 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
739 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
740 .linkonce directive after the first time.
742 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
744 * m68k.md (beq0_di): Generate correct (and more efficient) code when
745 the clobbered operand overlaps with an input.
746 (bne0_di): Similarly.
748 * Makefile.in (INSTALL): Remove "--no-header" argument.
750 * NEWS: Various updates.
752 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
754 * config/sparc/sparc.c (arith_operand, const64_operand,
755 const64_high_operand, arith_double_4096_operand): Mark mode as
757 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
759 (sparc_emit_set_const64): Remove unused variable i.
760 (sparc_splitdi_legitimate): Likewise for addr_part.
761 (ultra_code_from_mask): Likewise for mask.
762 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
763 reverse return values so it matches usage and comments.
764 (ultra_flush_pipeline): Likewise.
765 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
766 this_type, and allow loads and stores of differing FP modes as
767 they do not create a conflict.
768 (ultra_find_type): Initialize fpmode to SFmode, fix
769 parenthesization thinkos in large conditional.
770 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
771 Init free_slot_mask after ultra_cur_hist is reset, not before.
772 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
773 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
774 use ultra_flush_pipeline instead, then re-init group pointer.
775 Fix statement with no effect. If no progress made in, and no
776 instructions scheduled at all, advance to new pipeline cycle else
777 we get into an endless loop.
778 (ultrasparc_adjust_cost): Remove previous arg.
779 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
781 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
783 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
784 code. Use reg_overlap_mentioned_p to detect when source and
786 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
788 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
790 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
791 COMPARISON_VAL, into invariant_p.
793 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
795 * regmove.c (regclass_compatible_p): New function.
796 (regmove_optimize): Use it.
798 Use NREGS parameter insted of calling max_reg_num.
800 (fixup_match_1): Don't use code = MINUS when later tieing with
801 a hard register is likely.
803 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
805 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
806 COMPARISON_VAL was normalized.
808 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
810 * loop.c (check_dbra_loop): The loop ending comparison value
811 must be an invariant or we can not reverse the loop.
813 * loop.c (scan_loop): Count down from max_reg_num - 1 to
814 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
816 (load_mems_and_recount_loop_regs_set): Likewise.
818 * i386.c (print_operand): Remove obsolete 'c' docs.
820 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
822 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
823 * frame.c (init_object_mutex): New function.
824 (init_object_mutex_once): Likewise.
826 (__register_frame_info): Likewise.
827 (__register_frame_info_table): Likewise.
828 (__deregister_frame_info): Likewise.
830 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
832 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
834 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
836 * loop.c (check_dbra_loop): Enable code for reversal
837 of some loops without a known constant loop end.
839 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
841 * haifa-sched.c (last_clock_var): New.
842 (schedule_block): Initialize it.
843 (schedule_insn): Use it to fill insn modes with issue information.
845 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
846 Tag trapb and next insn with TImode.
847 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
848 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
849 Invoke alphaev5_align_insns as appropriate.
850 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
851 (MD_SCHED_VARIABLE_ISSUE): New.
852 * alpha.md (attr type): Add multi.
853 (define_asm_attributes): New.
854 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
855 (arg_home): Likewise.
856 (fnop, unop, realign): New.
858 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
860 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
861 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
863 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
864 (rs6000-ibm-aix4.[12]*): Likewise.
865 * configure: Regnerate.
867 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
869 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
870 already contains the return address.
872 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
874 * calls.c (expand_call): Use bitfield instructions to extract/deposit
875 word sized hunks when loading unaligned args into registers.
877 * haifa-sched.c (sched_analyze_insn): Only create scheduling
878 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
880 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
882 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
884 * loop.c (check_dbra_loop): Add some code that would allow reversal
885 of some loops without a known constant loop end if it were enabled.
887 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
889 * mips.md (lshrsi3_internal2+2): Fix type-o.
891 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
893 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
894 correctly with regards to stdio.h.
896 * calls.c: Remove stdarg.h/varargs.h.
899 * combine.c: Likewise.
900 * cpperror.c: Likewise.
901 * cpplib.c: Likewise.
902 * cpplib.h: Likewise.
903 * doprint.c: Likewise.
904 * emit-rtl.c: Likewise.
906 * fix-header.c: Likewise.
908 * genattr.c: Likewise.
909 * genattrtab.c: Likewise.
910 * gencodes.c: Likewise.
911 * genconfig.c: Likewise.
912 * genemit.c: Likewise.
913 * genextract.c: Likewise.
914 * genflags.c: Likewise.
915 * genopinit.c: Likewise.
916 * genoutput.c: Likewise.
917 * genpeep.c: Likewise.
918 * genrecog.c: Likewise.
919 * mips-tfile.c: Likewise.
920 * prefix.c: Likewise.
921 * protoize.c: Likewise.
922 * regmove.c: Likewise.
923 * toplev.c: Likewise.
926 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
928 * config/sparc/sparc.c (sparc_override_options): If not
929 TARGET_FPU, turn off TARGET_VIS.
930 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
931 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
932 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
933 (movdi_insn_sp64): Add VIS fzero alternative.
934 (clear_sf, clear_df): New VIS patterns.
935 (movsf, movdf expanders): Allow fp_zero_operand flat out when
937 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
939 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
941 * loop.c (n_times_set, n_times_used, may_not_optimize,
942 reg_single_usage): Convert to varrays. All uses changed.
943 (insert_loop_mem): Return a value.
944 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
945 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
948 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
951 * configure.in: Do not set thread_file to "irix" since no such
954 * sparc.md (float abs/neg splits): Check reload_completed before
955 calling alter_subreg.
957 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
959 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
961 * config/sparc/sparc.h: Declare it.
962 * config/sparc/sparc.md (float abs/neg splits): Use it.
963 (all other splits): Handle SUBREGs properly where necessary.
964 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
966 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
968 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
969 an insn on the unfilled_slots_list that has no delay slots.
970 (fill_eager_delay_slots): Similarly.
972 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
974 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
975 as an ordinary operand.
977 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
979 * tree.c (valid_machine_attribute): Don't apply attributes to both
982 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
984 * reload.c (operands_match_p): Handle rtvecs.
986 * i386.c (legitimate_pic_address_disp_p): New.
987 (legitimate_address_p): Use it.
988 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
989 Handle constant pool symbols just like statics.
990 (emit_pic_move): Use Pmode not SImode for clarity.
991 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
992 [UNSPEC]: New, handling what we killed above.
993 [PLUS]: Detect and abort on invalid symbol arithmetic.
994 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
996 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
998 * alias.c: Include output.h.
999 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
1000 different if we're in a varargs function.
1001 * Makefile.in (alias.o): Depend on output.h
1003 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1005 * sh.h (GIV_SORT_CRITERION): Delete.
1007 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
1009 * regclass.c (regclass): Use xmalloc/free instead of alloca.
1010 * stupid.c (stupid_life_analysis): Ditto.
1011 * reload1.c (reload): Ditto.
1013 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1015 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
1016 arith_double_4096_operand, arith_double_add_operand): New
1018 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
1019 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
1020 them to transform add/sub 4096 into add/sub -4096.
1022 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1024 * loop.c (scan_loop): Allocate some slop to handle pseudos
1025 generated by move_movables.
1026 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
1029 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
1031 * tree.def (DECL_RESULT): Correct documentation.
1033 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1035 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
1036 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
1037 conflicts will all RELOAD_FOR_OUTPUT reloads.
1039 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
1040 loads the function result, substitute with a USE.
1042 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
1044 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
1045 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
1046 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
1047 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
1048 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
1049 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
1051 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
1052 'o' to 'm' for GPR variant constraints.
1054 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
1056 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
1058 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
1060 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
1061 when the source and destination overlap.
1063 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
1064 clash with global type.
1066 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
1068 * fixinc.irix: Add curses.h handling from fixinc.wrap.
1070 * c-common.c (combine_strings): Also set TREE_READONLY.
1071 Change warn_write_strings to flag_const_strings.
1072 * c-decl.c, c-tree.h: Likewise.
1074 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1076 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
1077 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
1078 sequence, use SET/IOR instead so CSE can see it.
1079 * config/sparc/sparc.md (movhi_const64_special,
1080 movsi_const64_special): New patterns necessitated by that change.
1081 (movhi_high): Remove.
1082 (movhi_lo_sum): Change to match an IOR.
1083 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
1084 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
1085 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
1086 (movdf splits): Allow when not V9 or when not ARCH64 and integer
1087 registers are involved.
1088 (snesi_zero_extend split): Remove reload_completed test.
1089 (unnamed plus and minus zero_extend sidi splits): Add it.
1091 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
1093 * extend.texi: Remove description of extension to explicit
1094 instantiation that is now endorsed by standard C++.
1096 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1098 * config/arc/arc.c (arc_initialize_pic): Remove.
1099 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
1100 nothing on any platform and is invoked by no-one, it does not even
1101 appear in the documentation.
1102 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
1103 * config/sparc/sparc.c (initialize_pic): Likewise.
1104 (find_addr_reg): Remove this as well, no longer referenced after
1107 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
1109 * recog.c (validate_replace_rtx_group): New function.
1110 * recog.h (validate_replace_rtx_group): Declare it.
1111 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
1112 the entire group of substitutions.
1114 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
1116 * loop.c (load_mems): Fix initializers.
1118 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1120 * config/sparc/sparc.md (TFmode splits): Handle destination
1121 registers being referenced in the address correctly.
1123 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
1124 TREE_UNSIGNED, when bitsize of type's mode is larger than
1125 HOST_BITS_PER_WIDE_INT.
1127 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
1129 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
1130 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
1131 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
1133 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
1136 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
1138 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
1139 * h8300.h (TINY_DATA_NAME_P): Likewise.
1140 (STRIP_NAME_ENCODING): Handle '&'.
1142 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
1143 register (it could be accessed via an outer SUBREG).
1144 (REG_OK_FOR_BASE_P): Likewwise.
1145 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
1147 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
1150 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
1152 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1154 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
1155 must be offsettable so the splits can be made.
1157 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
1159 * config/i386/winnt.c: Include system.h, not stdio.h to get
1160 sys/param.h pulled in before rtl.h in case the system defines MIN
1163 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
1165 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
1167 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
1169 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
1171 * cpplib.c (cpp_define): Handle macros with parameters.
1173 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
1175 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
1176 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
1177 and DImode 64-bit. Use llong for minimal-toc SFmode and
1178 SYMBOL_REF / LABEL_REF 64-bit.
1179 (output_function_profiler): Use llong for profiler label and ld to
1180 load 64-bit label address.
1182 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
1184 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
1187 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
1189 * version.c: Bump for snapshot.
1191 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
1193 * version.c: Bump for snapshot.
1195 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
1197 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
1199 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
1201 * tm.texi (Misc): Fix typo "teh".
1203 * tm.texi (PIC): Fix typo "PPIC".
1205 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
1206 effect when -O2 and higher.
1207 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
1209 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
1211 * regclass.c: Changed register set documentation to be consistent
1214 * final.c (final_start_function) Removed redundant test for
1217 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
1219 * rtl.h (rtx_function): New type.
1220 (for_each_rtx): New function.
1221 * rtlanal.c (for_each_rtx): Define it.
1223 * recog.c (change_t): New type.
1224 (change_objects, change_old_codes, change_locs, change_olds):
1226 (changes): New variable.
1227 (validate_change): Dynamically allocate room for more changes, if
1228 necessary. Uses changes array instead of change_objects, etc.
1229 (apply_change_group): Use changes array instead of
1230 change_objects, etc.
1232 * loop.c (loop_mem_info): New type.
1233 (loop_mems): New variable.
1234 (loop_mems_idx): Likewise.
1235 (looop_mems_allocated): Likewise.
1236 (scan_loop): Remove nregs parameter.
1237 (next_insn_in_loop): New function.
1238 (load_mems_and_recount_loop_regs_set): Likewise.
1239 (load_mems): Likewise.
1240 (insert_loop_mem): Likewise.
1241 (replace_loop_mem): Likewise.
1242 (replace_label): Likewise.
1243 (INSN_IN_RANGE_P): New macro.
1244 (loop_optimize): Don't pass max_reg_num() to scan_loop.
1245 (scan_loop): Remove nregs parameter, compute it after any new
1246 registers are created by load_mems. Use INSN_IN_RANGE_P and
1247 next_insn_in_loop rather than expanding them inline. Call
1248 load_mems to load memory into pseudos, if appropriate.
1249 (prescan_loop): Figure out whether or not there are jumps from the
1250 loop to targets other than the label immediately following the
1251 loop. Call insert_loop_mem to notice all the MEMs used in the
1252 loop, if it could be safe to pull MEMs into REGs for the duration
1254 (strength_reduce): Use next_insn_in_loop. Tweak comments.
1256 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
1258 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
1260 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1262 * config/sparc/sparc.c (finalize_pic): Check for the correct
1263 nonlocal_goto_receiver UNSPEC number.
1264 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
1265 making note of this dependency existing in sparc.c
1266 (negtf2_notv9 split): Give NEG SFmode.
1267 (negsf2): Fix insn output string.
1269 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
1271 * c-common.c (decl_attributes): Issue an error if the argument
1272 to alias is not a string.
1274 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
1276 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
1277 pending memory flush list.
1279 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
1281 (try_combine): Allow combining insns with REG_LIBCALL notes.
1283 * expr.c (emit_block_move): Do not call memcpy as a libcall
1284 instead build up a CALL_EXPR and call it like any other
1286 (clear_storage): Similarly for memset.
1288 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
1291 * Makefile.in (cplus-dem.o): Provide explicit rules for building
1294 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
1295 and REG_LIVE_LENGTH as successful substitutions are made.
1297 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1299 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
1300 statement after end of loop label.
1302 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1304 * config/sparc/sparc.c (ultra_types_avail): New variable.
1305 (ultra_build_types_avail): New function to record mask of insn
1306 types in ready list at this cycle.
1307 (ultrasparc_sched_reorder): Call it.
1308 (ultra_find_type): Use it to quicken the search. Also simplif
1309 dependency check, don't use rtx_equal_p because we know exactly
1310 what we are looking for.
1312 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
1314 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
1315 for architecture v4.
1317 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1319 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
1321 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
1322 movdf_const_intreg and helper splits): New patterns to move float
1323 constants into integer registers.
1324 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
1327 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
1330 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
1332 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
1334 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
1335 a BASE_REGS register is needed as an intermediate when copying
1336 a symbolic value into any register class other than BASE_REGS.
1338 * expr.c (move_by_pieces): No longer static. Remove prototype.
1339 * rtl.h (move_by_pieces): Add extern prototype.
1340 * mips.c (expand_block_move): Handle aligned straight line copy by
1341 calling move_by_pieces.
1343 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
1346 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
1348 * stmt.c (expand_end_loop): Tidy. Allow unconditional
1349 jumps out of the loop to be treated as part of the exit test.
1351 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1352 Jeff Law <law@cygnus.com>
1354 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
1355 * cplus-dem.c: Delete.
1357 * Makefile.in (fold-const.o): depend on $(RTL_H).
1359 * fold-const.c: Include rtl.h to get the prototype for
1360 `set_identifier_local_value'.
1362 * loop.c (express_from_1): Remove unused variable `tmp'.
1363 (combine_givs): cast the first argument of bzero to char *.
1365 * toplev.c (display_help): Remove unused variable `looking_for_start'.
1367 * c-decl.c (init_decl_processing): Remove unneeded &.
1369 * alpha.h (alpha_initialize_trampoline): Provide prototype.
1371 * except.c (set_exception_lang_code, set_exception_version_code):
1372 Change parameter from `short' to `int' to avoid using a gcc
1375 * except.h (set_exception_lang_code, set_exception_version_code):
1376 Likewise for prototypes.
1378 * flow.c (count_reg_references): Remove unused variables `regno'
1381 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
1383 * prefix.c (translate_name): Cast the result of `alloca'.
1385 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
1387 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1389 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
1391 (valid_dbcc_comparison_p): Mark mode argument as unused.
1392 (symbolic_operand): Likewise.
1393 (legitimize_pic_address): Likewise.
1394 (const_uint32_operand): Likewise.
1395 (const_sint32_operand): Likewise.
1396 * sched.c [!INSN_SCHEDULING]: Define only dummy function
1397 schedule_insns and comment out rest of file.
1399 * m68k.c (output_move_simode_const): Use subl to move a zero into an
1401 (output_move_[hq]imode): Likewise.
1403 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
1405 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
1406 * invoke.texi: Corresponding changes.
1408 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
1410 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
1412 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1414 * config/sparc/sparc.c (ultra_code_from_mask,
1415 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
1416 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
1417 ultrasparc_sched_init, ultrasparc_variable_issue,
1418 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
1419 functions to describe UltraSPARC pipeline exactly to Haifa.
1420 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
1421 as there is nothing the scheduler can do about it. Indicate that
1422 REG_DEP_OUTPUT's collide. Fixup formatting.
1423 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
1424 divide costs on Ultra for DImode.
1425 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
1427 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
1428 ieuN and add call_no_delay_slot to type list.
1429 (cti function unit): New unit for branches on UltraSPARC.
1430 (subx/addx insns): Set type to misc.
1431 (sidi zero/sign extension insns on arch64): Set type to shift.
1432 (sign_extendhidi2_insn): Set type to sload.
1434 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
1436 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
1437 (output_epilog): Use if != 0 for offset.
1438 (rs6000_fatal_bad_address): Prepare for Intl.
1439 * rs6000.h (rs6000_fatal_bad_address): Declare.
1440 * rs6000.md (movsfcc, movdfcc): Use else if.
1441 (elf_high): Use {liu|lis}.
1442 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
1443 (movsi): Use rs6000_fatal_bad_address.
1445 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
1447 * reload.c (find_equiv_reg): Reject equivalences separated
1448 by a volatile instruction.
1450 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1452 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
1454 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
1456 * alpha.md (movsicc): Fix mode mismatch.
1458 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
1460 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
1462 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
1464 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1466 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
1467 write-only modifier from operand 1 constraint.
1469 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1471 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
1472 emitting a XOR of -1 at the end, emit a NOT instead for combine's
1474 (sparc_emit_set_const64): Likewise, also when computing trailing
1475 bits do not negate low_bits and make fast_int an int.
1477 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
1479 * loop.c (add_label_notes): Do not ignore references to labels
1480 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
1481 * gcse.c (add_label_notes): Similarly.
1483 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
1485 * m68k.md (adddi_dilshr32): One of the operands must be a register.
1486 (adddi_dishl32): Similarly.
1488 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
1490 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
1491 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
1492 * cse.c (cse_basic_block): Add parens to shut up warnings.
1494 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1496 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
1497 sparc_emit_set_const64_longway, const64_is_2insns,
1498 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
1499 in 64-bit constant formation.
1500 * config/sparc/sparc.md (snesi_zero_extend split): Generate
1501 rtl for addx not subx.
1502 (define_insn movdi_const64_special): Make available even when
1503 HOST_BITS_PER_WIDE_INT is not 64.
1504 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
1505 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
1506 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
1507 instances of operand 1 inside a QI subreg.
1508 (xordi3_sp64_dbl): Remove '%' constraint for op1.
1509 (one_cmpldi2_sp64): Fix output string.
1510 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
1512 (unnamed arch64 ashift DI): Truncate shift count if greater than
1515 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1517 * expr.c (store_expr): Don't optimize away load-store pair
1518 when either source or destination have a side effect.
1520 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
1522 * genrecog.c (add_to_sequence): Fatal error if the modes of the
1523 operands of SET are incompatible.
1525 * alpha.md: Fix max and min patterns so modes of SET operands match.
1527 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
1529 * configure.in: Avoid [[ by using test and changequote.
1530 * configure: Rebuild.
1532 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1534 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
1536 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
1537 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
1538 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
1539 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
1540 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
1541 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
1542 Fix mismatching modes in SET operands.
1543 (conditional move patterns): Fix formatting.
1544 (unnamed subx arch64 pattern): Remove duplicate insn.
1546 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1548 * config/sparc/sparc.c (const64_operand, const64_high_operand):
1549 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
1550 (input_operand): Fixup test for what we accept for constant
1552 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
1554 (safe_constDI): Remove.
1555 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
1556 gen_safe_XOR64): New functions.
1557 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
1558 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
1560 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
1561 available when HOST_BITS_PER_WIDE_INT is not 64.
1562 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
1563 move before movdi_insn_sp64 pattern.
1564 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
1565 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
1566 symbolic_operand as predicate for second operand.
1567 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
1568 expander): Give set VOIDmode.
1570 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
1572 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
1574 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
1576 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
1578 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
1580 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
1582 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
1584 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
1586 * install.texi: Various SCO OpenServer tweaks.
1588 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
1590 * reload1.c (eliminate_regs_in_insn): Handle another case when
1591 eliminating the frame pointer to the hard frame pointer. Add
1592 missing ep->to_rtx check to one existing case.
1594 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
1596 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
1598 * tree.h: De-conditionalize init_priority code.
1600 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
1601 * collect2.c (NM_FLAGS): Change from -p to -n.
1603 * configure.in: Turn on collect2 for mipstx39-elf.
1604 Handle use_collect2=no properly.
1606 * c-common.c: De-conditionalize init_priority code.
1607 * collect2.c (extract_init_priority, sort_ids): New fns.
1608 (main): Call sort_ids.
1609 Move sequence_number to file scope.
1611 * configure.in: Handle --enable-init-priority.
1612 * c-common.c (attrs): Add A_INIT_PRIORITY.
1613 (init_attributes, decl_attributes): Likewise.
1614 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
1615 * tree.c (get_file_function_name_long): Split out...
1616 (get_file_function_name): ...from here.
1618 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
1620 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
1623 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
1625 * toplev.c (display_help): Add braces to shut up warnings.
1626 * tree.c (simple_cst_equal): Likewise.
1628 * fold-const.c (non_lvalue): Don't deal with null pointer
1630 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
1632 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
1633 of any size to a pointer.
1635 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
1637 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
1639 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
1641 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
1642 which will be saved.
1643 * mn10300.md (prologue insn): Only save registers which need saving.
1644 (epilogue insn): Similarly.
1646 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
1649 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
1651 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
1652 VAR_DECL's in gp addressable sections.
1654 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
1656 * sparc.c: Change return <exp> to <exp>; return; in functions
1658 * sparc.md: Add empty semicolon statement after final label in
1661 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1663 * config/sparc/sparc.md (define_insn addx_extend): Rename to
1664 addx_extend_sp64, only allow when TARGET_ARCH64.
1665 (define_insn addx_extend_sp32 and split): Version that works when
1667 (define_insn subx_extend): Likewise.
1668 (define_split adddi3 and subdi3 with zero extension): Fixup and
1669 correct bugs when not TARGET_ARCH64.
1671 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
1673 * except.c (set_exception_lang_code, set_exception_version_code):
1674 Use prototype-style definition if __STDC__, to match declaration
1677 * genemit.c: Change FAIL and DONE macros not to use loops.
1679 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
1681 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
1682 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
1684 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
1686 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
1688 * README.g77: Update from Craig.
1690 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1692 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
1694 (safe_constDI sparc_emit_set_const64_quick1,
1695 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
1696 analyze_64bit_constant, const64_is_2insns,
1697 create_simple_focus_bits): Fix some bugs when compiled on real
1699 (function_arg_record_value_3, function_arg_record_value_2,
1700 function_arg_record_value): Add fully prototyped forward decls.
1701 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
1702 to cmpsi_insn and use on both 64 and 32 bit targets.
1703 (define_insn cmpsi_insn_sp64): Remove.
1704 (define_expand zero_extendsidi2): Allow for 32-bit target too.
1705 (define_insn zero_extendsidi2_insn): Rename to
1706 zero_extendsidi2_insn_sp64.
1707 (define_insn zero_extendsidi2_insn_sp32): New pattern and
1708 assosciated forced split for it.
1710 * config/sparc/sparc.c (const64_operand, const64_high_operand):
1712 * config/sparc/sparc.h: Declare them.
1713 (PREDICATE_CODES): Add them.
1714 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
1715 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
1717 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
1719 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
1720 in v9 case as the latter makes the Solaris assembler crash.
1722 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1724 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
1725 for TFmode when !v9. We require offsettable memory addresses.
1726 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
1727 DFmode register number conversions.
1728 * config/sparc/sparc.md (define_split DFmode moves): If register
1729 is a SUBREG do alter_subreg on it before using.
1730 (define_expand movtf): Fixup comment about alignment on v9.
1731 (define_split TFmode moves): Don't use gen_{high,low}part, create
1732 explicit SUBREGs instead.
1734 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
1736 * Makefile.in (mbchar.o): Depend on mbchar.c.
1738 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1739 Richard Henderson <rth@cygnus.com>
1741 Rewrite Sparc backend for better code generation and
1742 improved sparc64 support.
1743 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
1745 * config/sparc/sysv4.h: Likewise.
1746 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
1747 move_operand, v8plus_regcmp_op, emit_move_sequence,
1748 singlemove_string, doublemove_string, mem_aligned_8,
1749 output_move_double, output_move_quad, output_fp_move_double,
1750 move_quad_direction, output_fp_move_quad, output_scc_insn):
1752 (small_int_or_double): New predicate.
1753 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
1754 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
1755 old pic_{sethi,lo_sum}_si patterns.
1756 (mem_min_alignment): New generic function to replace
1757 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
1758 available and can test for arbitrary alignments. All callers
1760 (save_regs, restore_regs, build_big_number,
1761 output_function_prologue, output_cbranch, output_return,
1762 sparc_flat_save_restore, sparc_flat_output_function_prologue,
1763 sparc_flat_output_function_epilogue): Prettify
1765 (output_function_epilogue): Likewise and add code to output
1766 deferred case vectors.
1767 (output_v9branch): Likewise, add new arg INSN and use it to tack
1768 on branch prediction settings. All callers changed.
1769 (print_operand): Likewise and output %l44 for LO_SUMs when
1771 (sparc_splitdi_legitimate): New function to make sure DImode
1772 splits can be run properly when !arch64.
1773 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
1774 Reformat example code in comments.
1775 (set_extends): Remove UNSPEC/v8plus_clear_high case.
1776 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
1777 of deferred case vectors we need to output.
1778 (sparc_defer_case_vector): Record a case vector.
1779 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
1780 sparc_output_deferred_case_vectors): New functions to output them.
1781 (sparc_emit_set_const32): New function to form 32-bit constants in
1782 registers when that requires more than one instruction.
1783 (safe_constDI, sparc_emit_set_const64_quick1,
1784 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
1785 analyze_64bit_constant, const64_is_2insns,
1786 create_simple_focus_bits, sparc_emit_set_const64): New functions
1787 which do the same for 64-bit constants when arch64.
1788 (sparc_emit_set_symbolic_const64): New function to emit address
1789 loading for all code models on v9.
1790 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
1791 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
1792 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
1793 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
1794 inaccuracies in comments, add symbolic and text_segment operands
1795 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
1796 GENERAL_REGS in these cases as a temp REG is needed to load these
1797 addresses into a register properly.
1798 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
1800 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
1801 quads are guarenteed to have 16-byte alignment.
1802 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
1803 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
1804 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
1805 deferred case vector implementation.
1806 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
1807 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
1808 Generate "internal label - label" instead of "label - 1b".
1809 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
1810 (PREDICATE_CODES): Remove sparc_operand, move_operand,
1811 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
1813 (doublemove_string, output_block_move, output_fp_move_double,
1814 output_fp_move_quad, output_move_double, output_move_quad,
1815 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
1816 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
1817 (sparc_emit_set_const32, sparc_emit_set_const64,
1818 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
1819 mem_min_alignment, small_int_or_double): Add externs.
1820 * config/sparc/sparc.md: Document the many uses of UNSPEC and
1821 UNSPEC_VOLATILE in this backend.
1822 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
1823 unary to types which execute in it.
1824 (define_function_unit ieu_shift): Rename to ieu0.
1825 (define_function_unit ieu1): New, executes compare, call, and
1826 uncond_branch type insns.
1827 (define_function_units for type fdivs, fdivd, fsqrt): These
1828 execute in the fpu multiply unit not the adder on UltraSparc.
1829 (define_expand cmpdi): Disallow TARGET_V8PLUS.
1830 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
1831 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
1832 allows the arith_double_operand predicate and rHI constraint when
1834 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
1835 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
1836 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
1837 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
1838 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
1839 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
1840 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
1841 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
1842 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
1843 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
1844 sign_extendqihi2_insn, sign_extendqisi2_insn,
1845 sign_extendqidi2_insn, sign_extendhidi2_insn,
1846 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
1847 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
1848 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
1849 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
1850 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
1851 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
1852 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
1853 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
1854 smulsi3_highpart_v8plus, unnamed subreg mult,
1855 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
1856 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
1857 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
1858 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
1859 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
1860 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
1861 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
1862 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
1863 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
1864 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
1865 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
1866 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
1867 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
1868 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
1869 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
1870 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
1871 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
1872 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
1873 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
1874 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
1875 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
1876 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
1877 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
1878 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
1879 call_address_untyped_struct_value_sp32,
1880 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
1881 call_value_symbolic_sp32, call_value_address_sp64,
1882 call_value_symbolic_sp64, branch_sp32, branch_sp64,
1883 flush_register_windows, goto_handler_and_restore,
1884 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
1885 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
1886 return_addsi, return_di, return_adddi, return_sf, all call+jump
1887 peepholes, trap, unnamed trap insns): Prettify output strings.
1888 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
1889 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
1890 Likewise and force + implement splits for integer cases.
1891 (define_insn return_sf_no_fpu): Likewise and allow to match when
1892 no-fpu because of our subreg SFmode splits.
1893 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
1894 zero_extendqidi2_insn, zero_extendhidi2_insn,
1895 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
1896 input_operand for second operand.
1897 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
1898 reg_or_0_operand for operand 2 so new splits can use it.
1899 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
1900 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
1902 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
1903 CONST_DOUBLEs for operand 2.
1904 (define_insn move_label_di): Likewise and label distance
1905 optimization because it no longer works with new deferred case
1906 vector scheme. To be revisited.
1907 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
1908 and allow reg_or_0_operand and J constraint for second operand.
1909 (define_insn jump): Set branch predict taken on V9.
1910 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
1911 new deferred case vector scheme.
1912 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
1913 (define_insn negdi2_sp32): Force + implement splits.
1914 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
1915 one_cmplsi2_not_liveg0 respectively, and create expander of original
1916 names which emit special rtl for TARGET_LIVE_G0.
1917 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
1918 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
1919 gen_compare_reg, FAIL instead.
1920 (define_insn sgtu, sleu): Likewise and check gen_s*() return
1921 values when trying to reverse condition codes, if they FAIL then
1923 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
1924 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
1925 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
1926 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
1927 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
1928 set output string to # to indicate they are mandatory splits.
1929 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
1930 pic_sethi_di, move_pic_label_si): Remove.
1931 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
1932 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
1934 (define_expand movsi_pic_label_ref, define_insn
1935 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
1936 expander and insns to handle PIC label references and deferred
1938 (define_insn get_pc_via_rdpc): Comment out as it is no longer
1940 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
1941 Rewrite to not use emit_move_sequence, make use of new constant
1942 formation code, and new splits for all multi-insn cases.
1943 (define_insn movqi_insn): Remove sethi case, it can never happen.
1944 Use reg_or_zero_operand instead of const0_rtx explicit test,
1945 use input_operand instead of move_operand for source, and use
1946 general_operand now for dest.
1947 (define_insn movhi_insn): Similar but leave sethi case.
1948 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
1949 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
1950 movhi_lo_sum respectively, prettify output string.
1951 (define_insn movsi_zero_liveg0): New pattern to put zero into a
1952 register when needed on TARGET_LIVE_G0.
1953 (define_insn movsi_insn): Use general_operand and input_operand
1954 for dest and src respectively. Simplify applicability test.
1955 Prettify output strings, and add clr alternative for J
1957 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
1958 deprecated std and reg-reg DI moves): Remove and...
1959 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
1960 implementation which uses forced splits for all non-single insn
1962 (define_split DI move cases on !arch64): New splits to handle all
1963 situations of 64-bit double register DImode on 32bit, and
1964 unaligned registers and memory addresses for all subtargets.
1965 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
1967 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
1968 input_operand for dest and src respectively, prettify output
1970 (define_insn movdf_insn, movdf_no_e_insn, store_df,
1971 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
1973 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
1974 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
1975 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
1976 movtf_no_e_insn_sp64) Replace with new
1977 implementation which uses forced splits for all non-single insn
1979 (define_split DF move cases): New splits in similar vein to DI
1981 (define_insn sethi_di_medlow, sethi_di_medium_pic,
1982 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
1983 movdi_sp64_insn): Remove old v9 code model and constant loading
1985 (define_insn pic_lo_sum_di, pic_sethi_di,
1986 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
1987 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
1988 embmedany_sethi, embmedany_losum, embmedany_brsum,
1989 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
1990 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
1991 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
1992 scheme, using unspecs, secondary reloads, and one to one sparc
1993 insn to rtl insn mapping for better scheduling and code gen.
1994 (define_expand reload_indi, reload_outdi): Reload helpers for
1995 MEDANY and EMBMEDANY symbol address loading cases which require a
1997 (define_expand movsicc): Remove v8plus_regcmp cases.
1998 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
1999 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
2000 cmp_diqi_trunc_set): New patterns used by some of the new scc
2002 (define_insn xordi3_sp64_dbl): New pattern used for constant
2003 formation when crossing from 32-bit targets.
2004 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
2006 (define_insn addx, subx): Make visible and prettify.
2007 (define_insn adddi3_insn_sp32): Likewise and force split.
2008 (define_insn addx_extend, subx_extend, unnamed): New patterns for
2009 64bit scc split usage.
2010 (define_insn unnamed plusDI zero_extend, unnamed minusDI
2011 zero_extend, subdi3): Force and implement splits.
2013 * final.c (final_scan_insn): Don't output labels if target
2014 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
2017 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
2018 don't forget to walk inside SEQUENCESs too as these are what the
2019 delay slot scheduler will create.
2021 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
2023 * alpha.md (extxl+1,+2): New patterns to work around
2026 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
2028 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
2029 caused bad assembly code to be generated.
2031 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
2033 * netbsd.h: Fix typo.
2035 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
2037 * config.sub: Fix typo.
2039 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
2041 * invoke.texi (Environment Variables): Typo: Change "ascpects"
2043 (Running Protoize): Typo: Change "ther" into "other".
2045 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
2047 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
2048 * m68k/netbsd.h: Likewise.
2049 * ns32k/netbsd.h: Likewise.
2050 * sparc/netbsd.h: Likewise.
2052 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
2054 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
2055 * ginclude/va-clipper.h (va_list): Likewise.
2057 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
2059 * rs6000.c (rs6000_override_options): If big endian and -Os, use
2060 load/store multiple instructions unless user overrides.
2062 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
2064 * ns32k/netbsd.h: Fix typo.
2066 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
2068 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
2069 labels with .debugsym if no parallel insns.
2071 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
2073 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
2074 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
2076 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
2078 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
2079 (AR_FOR_TARGET): Define.
2081 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
2083 * dyn-string.h: New file.
2084 * dyn-string.c: Likewise.
2085 * Makefile.in (OBJS): Add dyn-string.o.
2086 (dwarf2out.o): Add dyn-string.h dependency.
2087 (dyn-string.o): List dependencies.
2088 * dwarf2out.c: Include dyn-string.h.
2089 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
2090 (addr_const_to_string): Take a dyn_string_t, not a char* as a
2091 prototype. Use dyn_string_append rather than strcat, throughout.
2092 (addr_to_string): Use dyn_string_t.
2094 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
2096 Function entry/exit profiling instrumentation:
2097 * expr.h (profile_function_entry_libfunc,
2098 profile_function_exit_libfunc): Declare new variables.
2099 * optabs.c: Define them here.
2100 (init_optabs): Initialize them.
2101 * tree.h (struct tree_decl): New flag
2102 no_instrument_function_entry_exit.
2103 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
2104 * c-decl.c (duplicate_decls): Merge it.
2105 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
2106 (init_attributes): Use it for "no_instrument_function".
2107 (decl_attributes): Handle it, for functions that have not yet been
2108 compiled. Set decl flag.
2109 * flags.h (flag_instrument_function_entry_exit): Declare new
2111 * toplev.c (flag_instrument_function_entry_exit): Define it here.
2112 (f_options): New option "instrument-functions".
2113 * function.h (struct function): New field instrument_entry_exit.
2114 * function.c (current_function_instrument_entry_exit): New
2116 (push_function_context_to, pop_function_context_from): Save and
2118 (expand_function_start): Set current_ variable, maybe emit return
2119 label and entry profile call.
2120 (expand_function_end): Maybe emit exit profile call.
2122 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
2124 * i386.md (movqi): When optimizing a load of (const_int 1) into a
2125 NON_QI_REG_P, pretend the register is SImode.
2127 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
2129 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
2130 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
2131 manufacturer id for ns32k.
2132 * configure: Regenerated.
2133 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
2134 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
2135 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
2136 * config/m68k/netbsd.h: Same.
2137 * config/ns32k/netbsd.h: Same.
2138 * config/sparc/netbsd.h: Same.
2140 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
2142 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
2143 or UNROLL_COMPLETELY loop that starts with a jump to its
2146 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
2148 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
2149 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
2150 (print_operand, case 'B'): Don't fall through.
2151 (print_operand, case 'S'): Correct mask begin/end computation.
2152 Use HOST_BITS_PER_WIDE_INT.
2153 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
2154 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
2155 * rs6000/aix41.h (CPP_PREDEFINES): Same.
2156 * rs6000/aix43.h (CPP_PREDEFINES): Same.
2158 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
2160 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
2161 constraint from second alternative.
2163 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
2165 * configure.in: Fix --without/--disable cases for local-prefix,
2166 gxx-include-dir and checking.
2168 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2170 * configure.in (enable_haifa): Set by default for sparc64 too.
2173 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
2175 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
2176 * i386/winnt.c (associated_type): New fn.
2177 (i386_pe_valid_type_attribute_p): New fn.
2178 (i386_pe_check_vtable_importexport): Remove.
2179 (i386_pe_dllexport_p): Use associated_type.
2180 (i386_pe_dllimport_p): Likewise.
2182 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
2183 * i386.c (i386_valid_type_attribute_p): Also accept
2184 attributes for METHOD_TYPEs.
2186 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
2188 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
2190 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
2192 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
2194 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
2195 them from generating a new base name for each occurence of
2198 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
2200 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
2202 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
2206 * cplus-dem.c (type_kind_t): New type.
2207 (demangle_template_value_parm): Add type_kind_t parameter. Rely
2208 on this paramter, rather than demangling the type again.
2209 (demangle_integral_value): Pass tk_integral.
2210 (demangle_template_: Pass the value returned from do_type.
2211 (do_type): Return a type_kind_t. Pass tk_integral to
2212 demangle_template_value_parm for array bounds.
2213 (demangle_fund_type): Likewise.
2215 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
2217 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
2220 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
2222 * pa.c (move_operand): Accept CONSTANT_P_RTX.
2224 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
2226 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
2228 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
2231 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
2233 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
2234 (DEBUGGER_ARG_OFFSET): Likewise.
2236 * mn10300.md (movsf): Remove last change. Not needed.
2238 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
2240 * c-lex.c (yylex): Fix boundary conditions in character literal and
2241 string literal loops.
2243 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
2245 * longlong.h (count_leading_zeros): Sparclite scan instruction was
2246 being invoked incorrectly.
2248 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
2249 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
2251 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
2252 * configure.in: Added i[34567]86-*-win32
2253 * config.sub: Ditto.
2254 * configure: Rebuilt.
2256 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
2258 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
2259 the frame pointer and compiling PIC code and reload has not completed.
2261 * i386.c (output_to_reg): Add code to emulate non-popping DImode
2264 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
2266 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
2268 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2270 * Makefile.in (install-info): Only try to update the info
2271 directory file if it exists in the first place.
2273 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
2275 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
2277 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
2279 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
2280 CONST_DOUBLE source.
2282 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
2284 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
2285 strings as the insertion of USER_LABEL_PREFIX.
2286 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
2288 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
2291 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
2293 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
2294 already defined type.
2296 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
2298 * expr.c (check_max_integer_computation_mode): Allow conversions
2299 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
2300 (expand_expr): Likewise.
2302 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2304 * expr.c (expand_expr): Expand RETURN_EXPR.
2306 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
2308 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
2310 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
2312 * dwarf2out.c (output_aranges): Call stripattributes
2313 for TEXT_SECTION references.
2314 (output_line_info): Likewise.
2316 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2318 * profile.c (branch_prob): Call allocate_reg_info after outputting
2319 profile rtl in instrument_arcs.
2321 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
2323 * fixinc.irix (math.h): Install wrapper instead of copying.
2325 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2327 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
2328 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
2329 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
2330 lang_flag_0. Added documentation in the flag table.
2332 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
2334 * cccp.c (do_include): Fix vax c style include handling.
2336 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
2338 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
2340 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
2342 * fold-const.c (non_lvalue): Don't deal with null pointer
2344 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
2346 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
2348 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
2349 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
2350 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
2351 (u_short_cint_operand): Same.
2352 (reg_or_cint_operand): Same.
2353 (logical_operand): Same.
2354 (input_operand): Same.
2355 (reg_or_short_operand): Use u_short_cint_operand.
2357 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
2359 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
2360 but keep the insns and splits. Adjust so when the ultimate destination
2361 is memory, use cvtql.
2363 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
2365 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
2367 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
2369 * gcc.c (do_spec): Call "error" not "warning".
2371 * configure.in: Fix minor problems with gas feature detection code.
2372 * configure: Rebuilt.
2374 * gcc.c (do_spec): Issue a warning for '%[]' usage.
2377 * gcc.c: Delete %[spec] support.
2378 (do_spec_1, case '('): Likewise.
2379 (do_spec_1, case '['): Call error.
2381 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
2383 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
2384 (CPP_SUBTARGET_SPEC): Default to empty string.
2385 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
2386 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
2387 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
2388 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
2390 * alpha/linux.h (CPP_PREDEFINES): Tidy.
2391 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
2392 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
2393 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
2394 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
2395 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
2396 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
2397 * alpha/vxworks.h: Likewise.
2399 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
2401 * mips.md (reload_outsi): Added missing REGNO call.
2402 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
2404 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
2405 another match_operator and compare the codes.
2407 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
2409 * MIPS multiply pattern fixes:
2410 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2411 Add union classes for HI, LO, or HILO plus general registers.
2412 (GENERATE_MADD): Deleted.
2413 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
2414 Add TARGET_MAD to condition.
2415 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
2416 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
2417 "*d" for accumulator, to give preference to LO initially but not
2420 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
2422 * configure.in (enable_c_mbchar): New configure option.
2423 (extra_cpp_objs): Always available now.
2425 * cexp.y (mbchar.h): #include it.
2426 (yylex): Handle Multibyte characters in character literals.
2428 * cccp.c (mbchar.h): #include it.
2429 (main): Set character set based on LANG environment variable.
2430 (rescan): Handle multibyte characters in comments.
2431 (skip_if_group): See above.
2432 (validate_else): See above.
2433 (skip_to_end_of_comment): See above.
2434 (macarg1): See above.
2435 (discard_comments): See above.
2436 (rescan): Handle multibyte characters in string and character literals.
2437 (collect_expansion): See above.
2438 (skip_quoted_string): See above.
2439 (macroexpand): See above.
2440 (macarg1): See above.
2441 (discard_comments): See above.
2442 (change_newlines): See above.
2444 * c-lex.c (mbchar.h): #include it.
2445 (GET_ENVIRONMENT): New macro.
2446 (init_lex): Set character set based on LANG environment variable.
2447 (yylex): Handle multibyte characters in character literals.
2448 (yylex): Handle multibyte characters in string literals.
2450 * Makefile.in (mbchar.o): New target.
2451 (cccp$(exeext)): @extra_cpp_objs@ is always available.
2452 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
2454 * mbchar.[ch]: New files for multibyte character handling.
2456 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2458 * jump.c (jump_optimize): When simplifying noop moves and
2459 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
2460 the PUSHes to rewrite in second loop as we did in the first.
2462 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2464 * cplus-dem.c (demangle_nested_args): Make function definition
2465 static to match the prototype.
2467 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
2469 * alloca.c: Respect USE_C_ALLOCA.
2470 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
2471 * gengenrtl.c (xmalloc): Likewise.
2473 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
2475 * loop.h (struct induction): Add no_const_addval.
2476 * loop.c (the_movables, reg_address_cost): New variables.
2477 (init_loop): Init reg_address_cost.
2478 (loop_optimize): Call end_alias_analysis.
2479 (scan_loop): Init the_movables.
2480 (record_giv): Init induction->no_const_addval.
2481 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
2482 [REG]: Rearrange loop search test to catch more cases.
2483 (general_induction_var): Return success not benefit; take an extra
2484 argument for that. Change all callers.
2485 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
2486 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
2487 [default]: Search the_movables for additional combinations.
2488 (sge_plus_constant, sge_plus): New functions.
2489 (express_from_1): New function.
2490 (express_from): Always define. Rewrite using express_from_1.
2491 (combine_givs_p): Handle more cases. Ignore address cost.
2492 (cmp_combine_givs_stats): New function.
2493 (combine_givs_used_once, combine_givs_benefit_from): New functions.
2494 (combine_givs): Rewrite to do best-fit combination.
2496 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
2497 (fold): Do a complete (A*C)+(B*C) association check.
2499 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
2501 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
2503 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
2505 * mn10300.c (MODES_TIEABLE_P): Fix typo.
2507 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
2509 * tree.c (valid_machine_attribute): Only create a new type variant if
2510 there is a decl to use it.
2512 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
2514 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
2517 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
2519 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
2522 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
2524 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
2525 Simplify tests for clearing an address register.
2526 (expand_prologue): Corresponding changes.
2528 * mn10300.md (movXX patterns): Make sure the destination is an
2529 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
2530 (logical patterns): Split into expanders + patterns
2531 (zero and sign extension patterns): Similarly.
2532 (shift patterns): Similarly.
2534 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
2536 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
2537 for the sequence, recording base values.
2539 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
2541 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
2543 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
2545 * gcc.c: Remove ANSI-C ism from --help code.
2547 * toplev.c: Support --help with USE_CPPLIB.
2549 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
2551 * configure.in: Rework gas feature code to work with symlink based
2554 * extend.texi: Clarify some issues related to local variables
2555 assigned to explicit registers.
2557 * mn10300.md (mulsi): Turn into expander + pattern.
2559 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
2562 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
2564 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
2566 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
2568 * version.c: Bump again to distinguish mainline tree from the
2571 See ChangeLog.0 for earlier changes.
2574 add-log-time-format: current-time-string
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