1 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3 * configure.in: remove usage of `!' to negate the result of a
4 command; some common shells do not support it
6 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8 * configure.in: in sparc9-sol2 config, use 'if test' not
12 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
14 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
15 (CPP_CPU_DEFAULT_SPEC): Likewise.
16 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
19 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
22 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
26 * collect2.c: Don't declare `sys_siglist' here.
27 (my_strsignal): Prototype and define new function. Use it in
28 place of `sys_siglist' hacks.
30 * mips_tfile.c: Likewise.
32 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
33 (GCC_NEED_DECLARATIONS): Likewise.
35 * system.h (strsignal): Prototype it, if necessary.
36 (sys_siglist): Declare it, if necessary.
38 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
40 * loop.c (move_movables): While removing insn sequences, preserve
41 the next pointer of the most recently deleted insn when we skip
44 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
46 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
47 supported with -mcpu=xxx.
49 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
51 * flow.c (mark_set_1): Recognize multi-register structure return
53 (mark_used_regs): Likewise.
54 (count_reg_sets_1): Likewise.
55 (count_reg_references): Likewise.
56 * rtlanal.c (note_stores): Likewise.
57 (reg_overlap_mentioned_p): Likewise.
58 * haifa-sched.c (check_live_1): Likewise.
59 (update_live_1): Likewise.
60 (sched_analyze_1): Likewise.
61 (sched_note_set): Likewise.
62 (birthing_insn_p): Likewise.
63 (attach_deaths): Likewise.
65 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
68 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
70 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
72 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
74 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
76 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
78 * configure.in: Add check for GAS subsection -1 support.
79 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
80 * configure config.in: Rebuilt.
81 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
82 SImode is subsection -1 works, else use DImode.
83 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
85 * config/sparc/sparc.c (sparc_output_addr_vec,
86 sparc_output_addr_diff_vec): Use them if defined.
88 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
90 * tree.h (DECL_ORIGIN): New macro.
91 * integrate.c (copy_and_set_decl_abstract_origin): New function.
92 (copy_decl_list): Use it.
93 (integrate_parm_decls): Likewise.
94 (integrate_decl_tree): Likewise.
95 * dwarf2out.c (decl_ultimate_origin): Simplify.
96 * dwarfout.c (decl_ultimate_origin): Likewise.
97 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
100 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
102 * config/rs6000/rs6000.c (output_epilog): Add Java support.
104 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
106 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
108 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
110 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
111 empty or has a single entry.
113 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
114 before calling reg_to_stack.
116 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
118 * alpha.c (alphaev5_insn_pipe): Abort on default case.
119 (alphaev5_next_group): Swallow CLOBBERs and USEs.
121 * c-tree.h (warn_long_long): Declare it.
123 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
125 * emit-rtl.c (gen_lowpart_common): Disable optimization of
126 initialized float-int union if the value is a NaN.
128 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
130 * c-lex.c (real_yylex): Don't warn about long long constants if
131 we're allowing long long
133 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
135 * except.h (current_function_eh_stub_label): Declare.
136 (current_function_eh_old_stub_label): Declare.
137 * function.h (struct function): New members eh_stub_label and
139 * except.c (current_function_eh_stub_label): New variable.
140 (current_function_eh_old_stub_label): New variable.
141 (init_eh_for_function): Clear them.
142 (save_eh_status): Save them.
143 (restore_eh_status): Restore them.
144 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
145 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
146 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
147 make an edge from the block that contains it to the block starting
148 with the label if this label is one of the eh stub labels.
149 If eh stub labels exist, show they are reachable from the last block
152 * reload1.c (reload): Break out several subroutines and make some
154 (calculate_needs_all_insns): New function, broken out of reload.
155 (calculate_needs): Likewise.
156 (find_reload_regs): Likewise.
157 (find_group): Likewise.
158 (find_tworeg_group): Likewise.
159 (something_needs_reloads): New global variable, formerly in reload.
160 (something_needs_elimination): Likewise.
161 (caller_save_spill_class): Likewise.
162 (caller_save_group_size): Likewise.
163 (max_needs): Likewise.
164 (group_size): Likewise.
165 (max_groups): Likewise.
166 (max_nongroups): Likewise.
167 (group_mode): Likewise.
168 (max_needs_insn): Likewise.
169 (max_groups_insn): Likewise.
170 (max_nongroups_insn): Likewise.
173 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
175 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
177 * loop.c (load_mems): Copy rtx for output mem.
179 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
181 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
182 mips1 or mips2 either.
184 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
186 * pa.c (pa_reorg): New marking scheme for jumps inside switch
188 (pa_adjust_insn_length): Update to work with new marking scheme
189 for jumps inside switch tables.
190 * pa.md (switch_jump): Remove pattern.
191 (jump): Handle jumps inside jump tables.
193 * Makefile.in (profile.o): Depend on insn-config.h
195 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
197 * iris6.h (DWARF2_UNWIND_INFO): Undef.
199 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
201 Add preliminary native sparcv9 Solaris support.
202 * configure.in: Recognize sparv9-*-solaris2*
204 * config.sub: Recognize sparcv9 just like sparc64.
205 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
206 config/sparc/sol2-cn.asm: Macroize so it can be shared between
207 32-bit and 64-bit Solaris systems.
208 * config/sparc/t-sol2: Assemble those with cpp.
209 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
210 (*TF*_LIBCALL): If ARCH64 use V9 names.
211 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
213 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
215 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
216 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
218 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
220 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
221 to Pmode if CASE_VECTOR_MODE is something else.
223 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
225 * prefix.c (update_path): Correctly handle cases where PATH is
226 a substring of the builtin prefix, but specifies a different
229 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
231 * expr.c: Corrected comment about what MOVE_RATIO does.
232 * config/alpha/alpha.h: Ditto.
233 * config/1750a/1750a.h: Ditto.
234 * config/clipper/clipper.h: Ditto.
235 * config/i386/i386.h: Ditto.
237 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
239 * configure.in (m68k-next-nextstep3*): Use collect2.
240 Similarly for x86 NeXT configurations.
241 * configure: Rebuilt.
243 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
245 * configure.in: Don't assume srcdir is .../gcc
246 * configure: Rebuilt.
248 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
250 * global.c: Update comments.
251 (global_alloc): Assign allocation-numbers
252 even for registers allocated by local_alloc in case
253 they are later spilled and retry_global_alloc is called.
254 (mark_reg_store, mark_reg_clobber,
255 mark_reg_conflicts, mark_reg_death): Always record a
256 conflict with a pseudo register even if it has been
257 assigned to a hard register.
258 (dump_conflicts): Don't list pseudo registers already assigned to
259 a hard register as needing to be allocated, but do list their
261 * local-alloc.c: Update comment.
263 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
265 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
266 * configure: Rebuilt.
268 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
270 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
272 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
273 for all targets that set -msoft-float.
275 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
277 * toplev.c (print_switch_values): Make static to match prototype.
279 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
281 * configure.in: If we are unable to find the "gnatbind" program,
282 then do not configure the ada subdir.
283 * configure: Rebuilt.
285 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
287 * version.c: Bump for snapshot.
289 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
291 * version.c: Bump for snapshot.
293 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
295 * Makefile.in (toplev.o): Depend on $(EXPR_H).
296 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
298 * gansidecl.h: Define ATTRIBUTE_NORETURN.
300 * genattrtab.c: Have insn-attrtab.c include toplev.h.
302 * genextract.c: Have insn-extract.c include toplev.h.
304 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
306 * toplev.c: Include expr.h.
307 (really_sorry, fancy_abort): Remove prototypes.
308 (set_target_switch): Add argument in prototype.
309 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
310 (v_really_sorry): Likewise.
311 (print_version, print_single_switch, print_switch_values): Make
312 static and add prototype arguments.
313 (decl_printable_name): Add prototype arguments.
314 (lang_expand_expr_t): New typedef.
315 (lang_expand_expr): Declare as a lang_expand_expr_t.
316 (incomplete_decl_finalize_hook): Add prototype argument.
317 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
318 (botch): Likewise for variable `s'.
319 (rest_of_type_compilation): Mark variables `type' and `toplev'
320 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
321 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
322 (display_help): Make variable `i' an `unsigned long'.
323 (main): Remove unused parameter `envp'.
324 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
325 Cast -1 when comparing it with a `size_t'.
327 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
328 prototype with ATTRIBUTE_NORETURN.
329 (fatal_insn_not_found, fatal_insn, really_sorry,
330 push_float_handler, pop_float_handler): Add prototypes.
331 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
332 (do_abort, botch): Add prototypes.
334 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
336 * final.c (final): If a label is reached only from a single jump,
337 call NOTICE_UPDATE_CC on the jump and its predecessor before
338 emitting the insn after the label.
340 * i386.h: Add AMD K6 support.
341 Change TARGET_* macros to use table lookup.
342 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
343 (ADJUST_COST): Change definition to call function in i386.c.
344 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
345 * i386.c: Add AMD K6 support.
346 Add constants for feature tests used by TARGET_* macros.
347 (split_di): If before reload, call gen_lowpart and gen_highpart.
348 (x86_adjust_cost): New function.
349 (put_jump_code): New function.
350 (print_operand): New codes 'D' and 'd'.
351 * i386.md: New insn types. New insn attribute "memory".
352 Redefine scheduling parameters to use new types and add AMD K6
353 support. Explicitly set type of most insns.
354 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
355 Pro and K6 prefer movl $1,reg to incl reg.
356 (adddi3, subdi3): Set cc_status.
357 (DImode shift patterns): Change label counters from HOST_WIDE_INT
358 to int; x86 can't have more than 2^31 DImode shifts per file.
359 (setcc): Combine all setcc patterns. Allow writing memory.
360 Combine all jump patterns using match_operator.
361 (*bzero): Name pattern. Emit mutliple stos instructions when that
362 is faster than rep stos.
363 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
366 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
368 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
371 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
373 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
374 not whatever we're generating now.
376 * alpha.c (set_frame_related_p, FRP): New.
377 (alpha_expand_prologue): Mark frame related insns.
378 (alpha_expand_epilogue): Likewise, but with a null FRP.
379 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
380 * alpha.md (exception_receiver): New.
381 * alpha/crtbegin.asm (.eh_frame): New beginning.
382 (__do_frame_setup, __do_frame_takedown): New.
383 * alpha/crtend.asm (.eh_frame): New ending.
384 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
385 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
386 (ASM_FILE_START): Don't emit .file for dwarf2.
388 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
389 * rtl.c (reg_note_name): Likewise.
390 * rtl.texi (REG_NOTES): Likewise.
391 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
394 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
396 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
397 * i386.md (movsf, movdf, movxf): Validate memory address returned
398 from force_const_mem. Kill useless REG_EQUAL setting code.
400 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
402 * m68k.md (zero_extendsidi2): Fix typo.
404 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
406 * configure.in: Removed references to the removed file
407 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
408 * arm*-*-netbsd* and ns32k-*-netbsd*.
409 * config/i386/xm-netbsd.h: Removed unnecessary file.
410 * config/m68k/xm-netbsd.h: Likewise.
411 * config/sparc/xm-netbsd.h: Likewise.
412 * config/mips/xm-netbsd.h: Likewise.
414 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
416 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
417 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
419 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
420 for exact section attributions.
422 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
424 * i386/crtdll.h (CPP_PREDEFINES): Define.
426 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
428 * m68k.md (5200 movqi): Do not allow byte sized memory references
430 * m68k.c (output_move_qimode): Do not use byte sized operations on
433 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
434 explicit rules for building. Similarly for alloca, vfprintf,
435 choose-temp and mkstemp, getopt, getopt1, and obstack.
436 (INCLUDES): Add $(srcdir)/../include.
437 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
438 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
440 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
442 * gcc.c (do_spec_1): [case 'o'] Account for
443 lang_specific_extra_outfiles.
444 (main): Correctly clear all slots in outfiles for
445 lang_specific_extra_outfiles. Set input_file_number before
446 calling lang_specific_pre_link.
448 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
450 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
452 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
454 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
456 (sparc_output_deferred_case_vectors): If no work to do, return.
457 Fix thinko in Sept 1 change.
459 1998-09-03 SL Baur <steve@altair.xemacs.org>
461 * Makefile.in: add semicolon in BISON definition for portability.
463 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
465 * config/nextstep.c (handle_pragma): Correct name of third
468 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
470 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
471 * config/m32r/m32r.h: Make register 17 be fixed.
472 * config/m32r/m32r.c: Use SImode for cc operations.
474 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
476 * invoke.texi (Warning Options): Add -Wnon-template-friend
479 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
481 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
483 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
485 * rs6000.md (movsf): Disable explicit secondary-reload-like
486 functionality if TARGET_POWERPC64.
487 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
490 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
492 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
493 and term.h from fixinc.wrap.
495 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
497 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
498 safe to include both string.h and strings.h together.
499 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
500 which headers to search for function declarations. Continue to
501 prefer string.h over strings.h when both are not acceptable.
503 * acconfig.h (STRING_WITH_STRINGS): Add stub.
505 * configure.in: Call GCC_HEADER_STRING.
507 * system.h: Test STRING_WITH_STRINGS when deciding which headers
508 to include. Continue to prefer string.h over strings.h when both
511 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
513 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
514 not assume top 32-bits of symbolic addresses are zero if
517 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
519 * ginclude/va-alpha.h: Protect entire second portion of the
520 file against double inclusion.
522 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
524 Added support for the Boehm's garbage collector.
525 * configure.in: Handle --enable-objc-gc.
526 * configure: Rebuilt.
527 * Makefile.in (CHECK_TARGETS): Add check-objc.
528 (check-objc): New rule.
529 * objc/Make-lang.in: Build a different Objective-C library that
530 runs with the Boehm's collector.
531 * objc/encoding.c (objc_round_acc_size_for_types): New function.
532 * objc/encoding.c: Correctly compute the size of compound types in
533 the presence of bitfields. Skip the variable name of the type if
534 any. Added support for long long.
535 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
536 (_F_GCINVISIBLE): New mask.
537 * objc/gc.c: New file. Compute the type memory mask associated with
538 a class based on the runtime information.
539 * objc/misc.c: Added the hooks that use the Boehm's collector
540 allocation functions.
541 * objc/objc-act.c (build_class_template): Generate a new class
542 member (gc_object_type) to hold the class' type memory mask.
543 (build_shared_structure_initializer): Initialize the new member to
545 (encode_complete_bitfield): New function. Generate the new
547 (encode_field_decl): Generate the new encoding only for the GNU
549 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
551 (class_get_gc_object_type): New function to mark a pointer instance
552 variable as a weak pointer.
553 * objc/objc-features.texi: New file.
554 * objc/objc.h (gc_object_type): New class member.
555 * objc/objects.c (class_create_instance): Create a typed memory
556 object when compiled with Boehm's collector support.
557 * objc/sendmsg.c (__objc_init_install_dtable): Call
558 __objc_send_initialize instead of setting the initialize flag.
559 (__objc_send_initialize): Call __objc_generate_gc_type_description
560 to generate the class type memory mask. Rewrite the code that
561 sends the +initialize so that it is called only once (bug report
562 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
563 * testsuite/objc: New testsuite for Objective-C type encoding.
564 * testsuite/lib/objc-torture.exp: New file.
565 * testsuite/lib/objc.exp: New file.
567 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
569 * jump.c (jump_optimize): In if/then/else transformations, add
570 another call to modified_between_p for the jump insn.
572 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
574 * fix-header.c (symlink): Treat like readlink.
576 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
578 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
581 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
583 * config/nextstep.h: Update HANDLE_PRAGMA macro.
584 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
585 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
587 * config/nextstep.c (handle_pragma): Take three arguments, as per
588 the new HANDLE_PRAGMA macro specification.
589 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
590 per the new HANDLE_PRAGMA macro specification.
591 * config/i960/i960.c (process_pragma): Take three arguments, as
592 per the new HANDLE_PRAGMA macro specification.
594 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
596 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
597 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
598 if unknown pragmas are encountered.
599 (handle_sysv_pragma): Interpret return code from
600 handle_pragma_token (). Return success/failure indication rather
601 than next unprocessed character.
602 (pragma_getc): New function: retrieves characters from the
603 input stream. Defined when HANDLE_PRAGMA is enabled.
604 (pragma_ungetc): New function: replaces characters back into the
605 input stream. Defined when HANDLE_PRAGMA is enabled.
607 * c-pragma.c (handle_pragma_token): Return success/failure status
610 * c-pragma.h: Change prototype of handle_pragma_token().
612 * varasm.c: (handle_pragma_weak): Only create this function if
613 HANDLE_PRAGMA_WEAK is defined.
615 * c-common,c (decl_attributes): If defined call the expression
616 contained within the INSERT_ATTRIBUTES macro before adding
617 attributes to a decl.
619 * tm.texi (HANDLE_PRAGMA): Document the new verion of
620 HANDLE_PRAGMA, which takes three arguments.
621 (INSERT_ATTRIBUTES): Document this new macro.
623 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
624 new INSERT_ATTRIBUTES macro.
626 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
628 * config/sparc/sparc.md (movdf): Only generate special RTL for
630 (move_label_di): Remove
631 (movdi_pic_label_ref, movdi_high_pic_label_ref,
632 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
634 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
635 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
636 output an .xword for all 64-bit cases.
638 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
640 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
641 alignment, use FUNCTION_BOUNDARY instead.
642 (sparc_output_deferred_case_vectors): Likewise.
644 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
646 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
647 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
649 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
651 * alpha/va_list.h: New file.
652 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
654 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
656 * NEWS: Add SCO Openserver and Unixware 7 notes.
660 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
662 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
663 (record_constant_1): Handle RANGE_EXPR.
665 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
667 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
668 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
669 and NOTE_INSN_RANGE_END specially.
670 (reemit_notes): Likewise.
672 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
674 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
675 (ultrasparc_sched_init): Remove unneeded &.
677 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
679 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
680 for m68020-60, to prevent the use of fintrz.
682 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
684 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
686 * Makefile.in: Likewise.
687 * configure: Regenerated.
689 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
691 * configure.in (gxx_include_dir): Changed to
692 '${prefix}/include/g++'-${libstdcxx_interface}.
693 * configure: Rebuilt.
695 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
697 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
699 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
700 *sequences* *below* which scalar moves will be used.
702 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
704 * collect2.c (mktemp): Delete unused declaration.
706 * config/xm-netbsd.h: Remove unnecessary file.
707 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
708 file anymore, it is not needed.
710 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
712 * convert.c (convert_to_integer): Issue an error on conversions to
715 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
717 * Makefile.in: Add lang_tree_files and gencheck.h.
718 * configure.in: Generate them.
719 * gencheck.c: Include gencheck.h.
721 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
723 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
724 movdi_lo_sum_pic and movdi_high_pic and make visible.
725 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
726 emit these when Pmode is not SImode.
727 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
729 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
731 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
732 .linkonce directive after the first time.
734 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
736 * m68k.md (beq0_di): Generate correct (and more efficient) code when
737 the clobbered operand overlaps with an input.
738 (bne0_di): Similarly.
740 * Makefile.in (INSTALL): Remove "--no-header" argument.
742 * NEWS: Various updates.
744 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
746 * config/sparc/sparc.c (arith_operand, const64_operand,
747 const64_high_operand, arith_double_4096_operand): Mark mode as
749 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
751 (sparc_emit_set_const64): Remove unused variable i.
752 (sparc_splitdi_legitimate): Likewise for addr_part.
753 (ultra_code_from_mask): Likewise for mask.
754 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
755 reverse return values so it matches usage and comments.
756 (ultra_flush_pipeline): Likewise.
757 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
758 this_type, and allow loads and stores of differing FP modes as
759 they do not create a conflict.
760 (ultra_find_type): Initialize fpmode to SFmode, fix
761 parenthesization thinkos in large conditional.
762 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
763 Init free_slot_mask after ultra_cur_hist is reset, not before.
764 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
765 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
766 use ultra_flush_pipeline instead, then re-init group pointer.
767 Fix statement with no effect. If no progress made in, and no
768 instructions scheduled at all, advance to new pipeline cycle else
769 we get into an endless loop.
770 (ultrasparc_adjust_cost): Remove previous arg.
771 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
773 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
775 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
776 code. Use reg_overlap_mentioned_p to detect when source and
778 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
780 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
782 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
783 COMPARISON_VAL, into invariant_p.
785 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
787 * regmove.c (regclass_compatible_p): New function.
788 (regmove_optimize): Use it.
790 Use NREGS parameter insted of calling max_reg_num.
792 (fixup_match_1): Don't use code = MINUS when later tieing with
793 a hard register is likely.
795 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
797 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
798 COMPARISON_VAL was normalized.
800 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
802 * loop.c (check_dbra_loop): The loop ending comparison value
803 must be an invariant or we can not reverse the loop.
805 * loop.c (scan_loop): Count down from max_reg_num - 1 to
806 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
808 (load_mems_and_recount_loop_regs_set): Likewise.
810 * i386.c (print_operand): Remove obsolete 'c' docs.
812 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
814 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
815 * frame.c (init_object_mutex): New function.
816 (init_object_mutex_once): Likewise.
818 (__register_frame_info): Likewise.
819 (__register_frame_info_table): Likewise.
820 (__deregister_frame_info): Likewise.
822 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
824 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
826 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
828 * loop.c (check_dbra_loop): Enable code for reversal
829 of some loops without a known constant loop end.
831 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
833 * haifa-sched.c (last_clock_var): New.
834 (schedule_block): Initialize it.
835 (schedule_insn): Use it to fill insn modes with issue information.
837 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
838 Tag trapb and next insn with TImode.
839 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
840 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
841 Invoke alphaev5_align_insns as appropriate.
842 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
843 (MD_SCHED_VARIABLE_ISSUE): New.
844 * alpha.md (attr type): Add multi.
845 (define_asm_attributes): New.
846 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
847 (arg_home): Likewise.
848 (fnop, unop, realign): New.
850 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
852 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
853 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
855 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
856 (rs6000-ibm-aix4.[12]*): Likewise.
857 * configure: Regnerate.
859 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
861 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
862 already contains the return address.
864 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
866 * calls.c (expand_call): Use bitfield instructions to extract/deposit
867 word sized hunks when loading unaligned args into registers.
869 * haifa-sched.c (sched_analyze_insn): Only create scheduling
870 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
872 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
874 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
876 * loop.c (check_dbra_loop): Add some code that would allow reversal
877 of some loops without a known constant loop end if it were enabled.
879 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
881 * mips.md (lshrsi3_internal2+2): Fix type-o.
883 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
885 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
886 correctly with regards to stdio.h.
888 * calls.c: Remove stdarg.h/varargs.h.
891 * combine.c: Likewise.
892 * cpperror.c: Likewise.
893 * cpplib.c: Likewise.
894 * cpplib.h: Likewise.
895 * doprint.c: Likewise.
896 * emit-rtl.c: Likewise.
898 * fix-header.c: Likewise.
900 * genattr.c: Likewise.
901 * genattrtab.c: Likewise.
902 * gencodes.c: Likewise.
903 * genconfig.c: Likewise.
904 * genemit.c: Likewise.
905 * genextract.c: Likewise.
906 * genflags.c: Likewise.
907 * genopinit.c: Likewise.
908 * genoutput.c: Likewise.
909 * genpeep.c: Likewise.
910 * genrecog.c: Likewise.
911 * mips-tfile.c: Likewise.
912 * prefix.c: Likewise.
913 * protoize.c: Likewise.
914 * regmove.c: Likewise.
915 * toplev.c: Likewise.
918 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
920 * config/sparc/sparc.c (sparc_override_options): If not
921 TARGET_FPU, turn off TARGET_VIS.
922 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
923 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
924 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
925 (movdi_insn_sp64): Add VIS fzero alternative.
926 (clear_sf, clear_df): New VIS patterns.
927 (movsf, movdf expanders): Allow fp_zero_operand flat out when
929 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
931 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
933 * loop.c (n_times_set, n_times_used, may_not_optimize,
934 reg_single_usage): Convert to varrays. All uses changed.
935 (insert_loop_mem): Return a value.
936 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
937 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
940 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
943 * configure.in: Do not set thread_file to "irix" since no such
946 * sparc.md (float abs/neg splits): Check reload_completed before
947 calling alter_subreg.
949 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
951 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
953 * config/sparc/sparc.h: Declare it.
954 * config/sparc/sparc.md (float abs/neg splits): Use it.
955 (all other splits): Handle SUBREGs properly where necessary.
956 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
958 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
960 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
961 an insn on the unfilled_slots_list that has no delay slots.
962 (fill_eager_delay_slots): Similarly.
964 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
966 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
967 as an ordinary operand.
969 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
971 * tree.c (valid_machine_attribute): Don't apply attributes to both
974 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
976 * reload.c (operands_match_p): Handle rtvecs.
978 * i386.c (legitimate_pic_address_disp_p): New.
979 (legitimate_address_p): Use it.
980 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
981 Handle constant pool symbols just like statics.
982 (emit_pic_move): Use Pmode not SImode for clarity.
983 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
984 [UNSPEC]: New, handling what we killed above.
985 [PLUS]: Detect and abort on invalid symbol arithmetic.
986 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
988 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
990 * alias.c: Include output.h.
991 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
992 different if we're in a varargs function.
993 * Makefile.in (alias.o): Depend on output.h
995 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
997 * sh.h (GIV_SORT_CRITERION): Delete.
999 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
1001 * regclass.c (regclass): Use xmalloc/free instead of alloca.
1002 * stupid.c (stupid_life_analysis): Ditto.
1003 * reload1.c (reload): Ditto.
1005 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1007 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
1008 arith_double_4096_operand, arith_double_add_operand): New
1010 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
1011 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
1012 them to transform add/sub 4096 into add/sub -4096.
1014 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1016 * loop.c (scan_loop): Allocate some slop to handle pseudos
1017 generated by move_movables.
1018 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
1021 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
1023 * tree.def (DECL_RESULT): Correct documentation.
1025 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1027 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
1028 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
1029 conflicts will all RELOAD_FOR_OUTPUT reloads.
1031 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
1032 loads the function result, substitute with a USE.
1034 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
1036 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
1037 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
1038 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
1039 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
1040 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
1041 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
1043 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
1044 'o' to 'm' for GPR variant constraints.
1046 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
1048 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
1050 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
1052 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
1053 when the source and destination overlap.
1055 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
1056 clash with global type.
1058 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
1060 * fixinc.irix: Add curses.h handling from fixinc.wrap.
1062 * c-common.c (combine_strings): Also set TREE_READONLY.
1063 Change warn_write_strings to flag_const_strings.
1064 * c-decl.c, c-tree.h: Likewise.
1066 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1068 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
1069 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
1070 sequence, use SET/IOR instead so CSE can see it.
1071 * config/sparc/sparc.md (movhi_const64_special,
1072 movsi_const64_special): New patterns necessitated by that change.
1073 (movhi_high): Remove.
1074 (movhi_lo_sum): Change to match an IOR.
1075 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
1076 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
1077 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
1078 (movdf splits): Allow when not V9 or when not ARCH64 and integer
1079 registers are involved.
1080 (snesi_zero_extend split): Remove reload_completed test.
1081 (unnamed plus and minus zero_extend sidi splits): Add it.
1083 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
1085 * extend.texi: Remove description of extension to explicit
1086 instantiation that is now endorsed by standard C++.
1088 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1090 * config/arc/arc.c (arc_initialize_pic): Remove.
1091 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
1092 nothing on any platform and is invoked by no-one, it does not even
1093 appear in the documentation.
1094 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
1095 * config/sparc/sparc.c (initialize_pic): Likewise.
1096 (find_addr_reg): Remove this as well, no longer referenced after
1099 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
1101 * recog.c (validate_replace_rtx_group): New function.
1102 * recog.h (validate_replace_rtx_group): Declare it.
1103 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
1104 the entire group of substitutions.
1106 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
1108 * loop.c (load_mems): Fix initializers.
1110 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1112 * config/sparc/sparc.md (TFmode splits): Handle destination
1113 registers being referenced in the address correctly.
1115 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
1116 TREE_UNSIGNED, when bitsize of type's mode is larger than
1117 HOST_BITS_PER_WIDE_INT.
1119 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
1121 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
1122 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
1123 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
1125 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
1128 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
1130 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
1131 * h8300.h (TINY_DATA_NAME_P): Likewise.
1132 (STRIP_NAME_ENCODING): Handle '&'.
1134 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
1135 register (it could be accessed via an outer SUBREG).
1136 (REG_OK_FOR_BASE_P): Likewwise.
1137 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
1139 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
1142 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
1144 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1146 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
1147 must be offsettable so the splits can be made.
1149 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
1151 * config/i386/winnt.c: Include system.h, not stdio.h to get
1152 sys/param.h pulled in before rtl.h in case the system defines MIN
1155 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
1157 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
1159 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
1161 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
1163 * cpplib.c (cpp_define): Handle macros with parameters.
1165 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
1167 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
1168 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
1169 and DImode 64-bit. Use llong for minimal-toc SFmode and
1170 SYMBOL_REF / LABEL_REF 64-bit.
1171 (output_function_profiler): Use llong for profiler label and ld to
1172 load 64-bit label address.
1174 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
1176 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
1179 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
1181 * version.c: Bump for snapshot.
1183 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
1185 * version.c: Bump for snapshot.
1187 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
1189 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
1191 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
1193 * tm.texi (Misc): Fix typo "teh".
1195 * tm.texi (PIC): Fix typo "PPIC".
1197 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
1198 effect when -O2 and higher.
1199 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
1201 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
1203 * regclass.c: Changed register set documentation to be consistent
1206 * final.c (final_start_function) Removed redundant test for
1209 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
1211 * rtl.h (rtx_function): New type.
1212 (for_each_rtx): New function.
1213 * rtlanal.c (for_each_rtx): Define it.
1215 * recog.c (change_t): New type.
1216 (change_objects, change_old_codes, change_locs, change_olds):
1218 (changes): New variable.
1219 (validate_change): Dynamically allocate room for more changes, if
1220 necessary. Uses changes array instead of change_objects, etc.
1221 (apply_change_group): Use changes array instead of
1222 change_objects, etc.
1224 * loop.c (loop_mem_info): New type.
1225 (loop_mems): New variable.
1226 (loop_mems_idx): Likewise.
1227 (looop_mems_allocated): Likewise.
1228 (scan_loop): Remove nregs parameter.
1229 (next_insn_in_loop): New function.
1230 (load_mems_and_recount_loop_regs_set): Likewise.
1231 (load_mems): Likewise.
1232 (insert_loop_mem): Likewise.
1233 (replace_loop_mem): Likewise.
1234 (replace_label): Likewise.
1235 (INSN_IN_RANGE_P): New macro.
1236 (loop_optimize): Don't pass max_reg_num() to scan_loop.
1237 (scan_loop): Remove nregs parameter, compute it after any new
1238 registers are created by load_mems. Use INSN_IN_RANGE_P and
1239 next_insn_in_loop rather than expanding them inline. Call
1240 load_mems to load memory into pseudos, if appropriate.
1241 (prescan_loop): Figure out whether or not there are jumps from the
1242 loop to targets other than the label immediately following the
1243 loop. Call insert_loop_mem to notice all the MEMs used in the
1244 loop, if it could be safe to pull MEMs into REGs for the duration
1246 (strength_reduce): Use next_insn_in_loop. Tweak comments.
1248 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
1250 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
1252 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1254 * config/sparc/sparc.c (finalize_pic): Check for the correct
1255 nonlocal_goto_receiver UNSPEC number.
1256 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
1257 making note of this dependency existing in sparc.c
1258 (negtf2_notv9 split): Give NEG SFmode.
1259 (negsf2): Fix insn output string.
1261 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
1263 * c-common.c (decl_attributes): Issue an error if the argument
1264 to alias is not a string.
1266 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
1268 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
1269 pending memory flush list.
1271 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
1273 (try_combine): Allow combining insns with REG_LIBCALL notes.
1275 * expr.c (emit_block_move): Do not call memcpy as a libcall
1276 instead build up a CALL_EXPR and call it like any other
1278 (clear_storage): Similarly for memset.
1280 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
1283 * Makefile.in (cplus-dem.o): Provide explicit rules for building
1286 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
1287 and REG_LIVE_LENGTH as successful substitutions are made.
1289 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1291 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
1292 statement after end of loop label.
1294 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1296 * config/sparc/sparc.c (ultra_types_avail): New variable.
1297 (ultra_build_types_avail): New function to record mask of insn
1298 types in ready list at this cycle.
1299 (ultrasparc_sched_reorder): Call it.
1300 (ultra_find_type): Use it to quicken the search. Also simplif
1301 dependency check, don't use rtx_equal_p because we know exactly
1302 what we are looking for.
1304 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
1306 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
1307 for architecture v4.
1309 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1311 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
1313 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
1314 movdf_const_intreg and helper splits): New patterns to move float
1315 constants into integer registers.
1316 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
1319 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
1322 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
1324 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
1326 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
1327 a BASE_REGS register is needed as an intermediate when copying
1328 a symbolic value into any register class other than BASE_REGS.
1330 * expr.c (move_by_pieces): No longer static. Remove prototype.
1331 * rtl.h (move_by_pieces): Add extern prototype.
1332 * mips.c (expand_block_move): Handle aligned straight line copy by
1333 calling move_by_pieces.
1335 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
1338 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
1340 * stmt.c (expand_end_loop): Tidy. Allow unconditional
1341 jumps out of the loop to be treated as part of the exit test.
1343 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1344 Jeff Law <law@cygnus.com>
1346 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
1347 * cplus-dem.c: Delete.
1349 * Makefile.in (fold-const.o): depend on $(RTL_H).
1351 * fold-const.c: Include rtl.h to get the prototype for
1352 `set_identifier_local_value'.
1354 * loop.c (express_from_1): Remove unused variable `tmp'.
1355 (combine_givs): cast the first argument of bzero to char *.
1357 * toplev.c (display_help): Remove unused variable `looking_for_start'.
1359 * c-decl.c (init_decl_processing): Remove unneeded &.
1361 * alpha.h (alpha_initialize_trampoline): Provide prototype.
1363 * except.c (set_exception_lang_code, set_exception_version_code):
1364 Change parameter from `short' to `int' to avoid using a gcc
1367 * except.h (set_exception_lang_code, set_exception_version_code):
1368 Likewise for prototypes.
1370 * flow.c (count_reg_references): Remove unused variables `regno'
1373 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
1375 * prefix.c (translate_name): Cast the result of `alloca'.
1377 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
1379 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1381 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
1383 (valid_dbcc_comparison_p): Mark mode argument as unused.
1384 (symbolic_operand): Likewise.
1385 (legitimize_pic_address): Likewise.
1386 (const_uint32_operand): Likewise.
1387 (const_sint32_operand): Likewise.
1388 * sched.c [!INSN_SCHEDULING]: Define only dummy function
1389 schedule_insns and comment out rest of file.
1391 * m68k.c (output_move_simode_const): Use subl to move a zero into an
1393 (output_move_[hq]imode): Likewise.
1395 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
1397 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
1398 * invoke.texi: Corresponding changes.
1400 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
1402 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
1404 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1406 * config/sparc/sparc.c (ultra_code_from_mask,
1407 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
1408 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
1409 ultrasparc_sched_init, ultrasparc_variable_issue,
1410 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
1411 functions to describe UltraSPARC pipeline exactly to Haifa.
1412 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
1413 as there is nothing the scheduler can do about it. Indicate that
1414 REG_DEP_OUTPUT's collide. Fixup formatting.
1415 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
1416 divide costs on Ultra for DImode.
1417 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
1419 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
1420 ieuN and add call_no_delay_slot to type list.
1421 (cti function unit): New unit for branches on UltraSPARC.
1422 (subx/addx insns): Set type to misc.
1423 (sidi zero/sign extension insns on arch64): Set type to shift.
1424 (sign_extendhidi2_insn): Set type to sload.
1426 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
1428 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
1429 (output_epilog): Use if != 0 for offset.
1430 (rs6000_fatal_bad_address): Prepare for Intl.
1431 * rs6000.h (rs6000_fatal_bad_address): Declare.
1432 * rs6000.md (movsfcc, movdfcc): Use else if.
1433 (elf_high): Use {liu|lis}.
1434 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
1435 (movsi): Use rs6000_fatal_bad_address.
1437 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
1439 * reload.c (find_equiv_reg): Reject equivalences separated
1440 by a volatile instruction.
1442 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1444 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
1446 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
1448 * alpha.md (movsicc): Fix mode mismatch.
1450 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
1452 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
1454 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
1456 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1458 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
1459 write-only modifier from operand 1 constraint.
1461 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1463 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
1464 emitting a XOR of -1 at the end, emit a NOT instead for combine's
1466 (sparc_emit_set_const64): Likewise, also when computing trailing
1467 bits do not negate low_bits and make fast_int an int.
1469 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
1471 * loop.c (add_label_notes): Do not ignore references to labels
1472 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
1473 * gcse.c (add_label_notes): Similarly.
1475 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
1477 * m68k.md (adddi_dilshr32): One of the operands must be a register.
1478 (adddi_dishl32): Similarly.
1480 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
1482 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
1483 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
1484 * cse.c (cse_basic_block): Add parens to shut up warnings.
1486 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1488 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
1489 sparc_emit_set_const64_longway, const64_is_2insns,
1490 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
1491 in 64-bit constant formation.
1492 * config/sparc/sparc.md (snesi_zero_extend split): Generate
1493 rtl for addx not subx.
1494 (define_insn movdi_const64_special): Make available even when
1495 HOST_BITS_PER_WIDE_INT is not 64.
1496 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
1497 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
1498 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
1499 instances of operand 1 inside a QI subreg.
1500 (xordi3_sp64_dbl): Remove '%' constraint for op1.
1501 (one_cmpldi2_sp64): Fix output string.
1502 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
1504 (unnamed arch64 ashift DI): Truncate shift count if greater than
1507 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1509 * expr.c (store_expr): Don't optimize away load-store pair
1510 when either source or destination have a side effect.
1512 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
1514 * genrecog.c (add_to_sequence): Fatal error if the modes of the
1515 operands of SET are incompatible.
1517 * alpha.md: Fix max and min patterns so modes of SET operands match.
1519 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
1521 * configure.in: Avoid [[ by using test and changequote.
1522 * configure: Rebuild.
1524 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1526 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
1528 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
1529 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
1530 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
1531 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
1532 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
1533 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
1534 Fix mismatching modes in SET operands.
1535 (conditional move patterns): Fix formatting.
1536 (unnamed subx arch64 pattern): Remove duplicate insn.
1538 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1540 * config/sparc/sparc.c (const64_operand, const64_high_operand):
1541 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
1542 (input_operand): Fixup test for what we accept for constant
1544 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
1546 (safe_constDI): Remove.
1547 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
1548 gen_safe_XOR64): New functions.
1549 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
1550 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
1552 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
1553 available when HOST_BITS_PER_WIDE_INT is not 64.
1554 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
1555 move before movdi_insn_sp64 pattern.
1556 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
1557 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
1558 symbolic_operand as predicate for second operand.
1559 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
1560 expander): Give set VOIDmode.
1562 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
1564 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
1566 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
1568 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
1570 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
1572 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
1574 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
1576 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
1578 * install.texi: Various SCO OpenServer tweaks.
1580 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
1582 * reload1.c (eliminate_regs_in_insn): Handle another case when
1583 eliminating the frame pointer to the hard frame pointer. Add
1584 missing ep->to_rtx check to one existing case.
1586 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
1588 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
1590 * tree.h: De-conditionalize init_priority code.
1592 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
1593 * collect2.c (NM_FLAGS): Change from -p to -n.
1595 * configure.in: Turn on collect2 for mipstx39-elf.
1596 Handle use_collect2=no properly.
1598 * c-common.c: De-conditionalize init_priority code.
1599 * collect2.c (extract_init_priority, sort_ids): New fns.
1600 (main): Call sort_ids.
1601 Move sequence_number to file scope.
1603 * configure.in: Handle --enable-init-priority.
1604 * c-common.c (attrs): Add A_INIT_PRIORITY.
1605 (init_attributes, decl_attributes): Likewise.
1606 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
1607 * tree.c (get_file_function_name_long): Split out...
1608 (get_file_function_name): ...from here.
1610 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
1612 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
1615 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
1617 * toplev.c (display_help): Add braces to shut up warnings.
1618 * tree.c (simple_cst_equal): Likewise.
1620 * fold-const.c (non_lvalue): Don't deal with null pointer
1622 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
1624 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
1625 of any size to a pointer.
1627 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
1629 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
1631 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
1633 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
1634 which will be saved.
1635 * mn10300.md (prologue insn): Only save registers which need saving.
1636 (epilogue insn): Similarly.
1638 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
1641 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
1643 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
1644 VAR_DECL's in gp addressable sections.
1646 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
1648 * sparc.c: Change return <exp> to <exp>; return; in functions
1650 * sparc.md: Add empty semicolon statement after final label in
1653 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1655 * config/sparc/sparc.md (define_insn addx_extend): Rename to
1656 addx_extend_sp64, only allow when TARGET_ARCH64.
1657 (define_insn addx_extend_sp32 and split): Version that works when
1659 (define_insn subx_extend): Likewise.
1660 (define_split adddi3 and subdi3 with zero extension): Fixup and
1661 correct bugs when not TARGET_ARCH64.
1663 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
1665 * except.c (set_exception_lang_code, set_exception_version_code):
1666 Use prototype-style definition if __STDC__, to match declaration
1669 * genemit.c: Change FAIL and DONE macros not to use loops.
1671 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
1673 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
1674 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
1676 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
1678 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
1680 * README.g77: Update from Craig.
1682 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1684 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
1686 (safe_constDI sparc_emit_set_const64_quick1,
1687 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
1688 analyze_64bit_constant, const64_is_2insns,
1689 create_simple_focus_bits): Fix some bugs when compiled on real
1691 (function_arg_record_value_3, function_arg_record_value_2,
1692 function_arg_record_value): Add fully prototyped forward decls.
1693 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
1694 to cmpsi_insn and use on both 64 and 32 bit targets.
1695 (define_insn cmpsi_insn_sp64): Remove.
1696 (define_expand zero_extendsidi2): Allow for 32-bit target too.
1697 (define_insn zero_extendsidi2_insn): Rename to
1698 zero_extendsidi2_insn_sp64.
1699 (define_insn zero_extendsidi2_insn_sp32): New pattern and
1700 assosciated forced split for it.
1702 * config/sparc/sparc.c (const64_operand, const64_high_operand):
1704 * config/sparc/sparc.h: Declare them.
1705 (PREDICATE_CODES): Add them.
1706 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
1707 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
1709 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
1711 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
1712 in v9 case as the latter makes the Solaris assembler crash.
1714 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1716 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
1717 for TFmode when !v9. We require offsettable memory addresses.
1718 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
1719 DFmode register number conversions.
1720 * config/sparc/sparc.md (define_split DFmode moves): If register
1721 is a SUBREG do alter_subreg on it before using.
1722 (define_expand movtf): Fixup comment about alignment on v9.
1723 (define_split TFmode moves): Don't use gen_{high,low}part, create
1724 explicit SUBREGs instead.
1726 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
1728 * Makefile.in (mbchar.o): Depend on mbchar.c.
1730 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1731 Richard Henderson <rth@cygnus.com>
1733 Rewrite Sparc backend for better code generation and
1734 improved sparc64 support.
1735 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
1737 * config/sparc/sysv4.h: Likewise.
1738 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
1739 move_operand, v8plus_regcmp_op, emit_move_sequence,
1740 singlemove_string, doublemove_string, mem_aligned_8,
1741 output_move_double, output_move_quad, output_fp_move_double,
1742 move_quad_direction, output_fp_move_quad, output_scc_insn):
1744 (small_int_or_double): New predicate.
1745 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
1746 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
1747 old pic_{sethi,lo_sum}_si patterns.
1748 (mem_min_alignment): New generic function to replace
1749 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
1750 available and can test for arbitrary alignments. All callers
1752 (save_regs, restore_regs, build_big_number,
1753 output_function_prologue, output_cbranch, output_return,
1754 sparc_flat_save_restore, sparc_flat_output_function_prologue,
1755 sparc_flat_output_function_epilogue): Prettify
1757 (output_function_epilogue): Likewise and add code to output
1758 deferred case vectors.
1759 (output_v9branch): Likewise, add new arg INSN and use it to tack
1760 on branch prediction settings. All callers changed.
1761 (print_operand): Likewise and output %l44 for LO_SUMs when
1763 (sparc_splitdi_legitimate): New function to make sure DImode
1764 splits can be run properly when !arch64.
1765 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
1766 Reformat example code in comments.
1767 (set_extends): Remove UNSPEC/v8plus_clear_high case.
1768 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
1769 of deferred case vectors we need to output.
1770 (sparc_defer_case_vector): Record a case vector.
1771 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
1772 sparc_output_deferred_case_vectors): New functions to output them.
1773 (sparc_emit_set_const32): New function to form 32-bit constants in
1774 registers when that requires more than one instruction.
1775 (safe_constDI, sparc_emit_set_const64_quick1,
1776 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
1777 analyze_64bit_constant, const64_is_2insns,
1778 create_simple_focus_bits, sparc_emit_set_const64): New functions
1779 which do the same for 64-bit constants when arch64.
1780 (sparc_emit_set_symbolic_const64): New function to emit address
1781 loading for all code models on v9.
1782 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
1783 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
1784 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
1785 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
1786 inaccuracies in comments, add symbolic and text_segment operands
1787 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
1788 GENERAL_REGS in these cases as a temp REG is needed to load these
1789 addresses into a register properly.
1790 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
1792 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
1793 quads are guarenteed to have 16-byte alignment.
1794 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
1795 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
1796 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
1797 deferred case vector implementation.
1798 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
1799 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
1800 Generate "internal label - label" instead of "label - 1b".
1801 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
1802 (PREDICATE_CODES): Remove sparc_operand, move_operand,
1803 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
1805 (doublemove_string, output_block_move, output_fp_move_double,
1806 output_fp_move_quad, output_move_double, output_move_quad,
1807 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
1808 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
1809 (sparc_emit_set_const32, sparc_emit_set_const64,
1810 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
1811 mem_min_alignment, small_int_or_double): Add externs.
1812 * config/sparc/sparc.md: Document the many uses of UNSPEC and
1813 UNSPEC_VOLATILE in this backend.
1814 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
1815 unary to types which execute in it.
1816 (define_function_unit ieu_shift): Rename to ieu0.
1817 (define_function_unit ieu1): New, executes compare, call, and
1818 uncond_branch type insns.
1819 (define_function_units for type fdivs, fdivd, fsqrt): These
1820 execute in the fpu multiply unit not the adder on UltraSparc.
1821 (define_expand cmpdi): Disallow TARGET_V8PLUS.
1822 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
1823 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
1824 allows the arith_double_operand predicate and rHI constraint when
1826 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
1827 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
1828 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
1829 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
1830 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
1831 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
1832 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
1833 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
1834 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
1835 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
1836 sign_extendqihi2_insn, sign_extendqisi2_insn,
1837 sign_extendqidi2_insn, sign_extendhidi2_insn,
1838 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
1839 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
1840 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
1841 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
1842 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
1843 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
1844 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
1845 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
1846 smulsi3_highpart_v8plus, unnamed subreg mult,
1847 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
1848 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
1849 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
1850 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
1851 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
1852 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
1853 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
1854 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
1855 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
1856 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
1857 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
1858 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
1859 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
1860 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
1861 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
1862 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
1863 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
1864 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
1865 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
1866 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
1867 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
1868 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
1869 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
1870 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
1871 call_address_untyped_struct_value_sp32,
1872 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
1873 call_value_symbolic_sp32, call_value_address_sp64,
1874 call_value_symbolic_sp64, branch_sp32, branch_sp64,
1875 flush_register_windows, goto_handler_and_restore,
1876 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
1877 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
1878 return_addsi, return_di, return_adddi, return_sf, all call+jump
1879 peepholes, trap, unnamed trap insns): Prettify output strings.
1880 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
1881 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
1882 Likewise and force + implement splits for integer cases.
1883 (define_insn return_sf_no_fpu): Likewise and allow to match when
1884 no-fpu because of our subreg SFmode splits.
1885 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
1886 zero_extendqidi2_insn, zero_extendhidi2_insn,
1887 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
1888 input_operand for second operand.
1889 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
1890 reg_or_0_operand for operand 2 so new splits can use it.
1891 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
1892 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
1894 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
1895 CONST_DOUBLEs for operand 2.
1896 (define_insn move_label_di): Likewise and label distance
1897 optimization because it no longer works with new deferred case
1898 vector scheme. To be revisited.
1899 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
1900 and allow reg_or_0_operand and J constraint for second operand.
1901 (define_insn jump): Set branch predict taken on V9.
1902 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
1903 new deferred case vector scheme.
1904 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
1905 (define_insn negdi2_sp32): Force + implement splits.
1906 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
1907 one_cmplsi2_not_liveg0 respectively, and create expander of original
1908 names which emit special rtl for TARGET_LIVE_G0.
1909 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
1910 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
1911 gen_compare_reg, FAIL instead.
1912 (define_insn sgtu, sleu): Likewise and check gen_s*() return
1913 values when trying to reverse condition codes, if they FAIL then
1915 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
1916 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
1917 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
1918 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
1919 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
1920 set output string to # to indicate they are mandatory splits.
1921 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
1922 pic_sethi_di, move_pic_label_si): Remove.
1923 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
1924 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
1926 (define_expand movsi_pic_label_ref, define_insn
1927 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
1928 expander and insns to handle PIC label references and deferred
1930 (define_insn get_pc_via_rdpc): Comment out as it is no longer
1932 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
1933 Rewrite to not use emit_move_sequence, make use of new constant
1934 formation code, and new splits for all multi-insn cases.
1935 (define_insn movqi_insn): Remove sethi case, it can never happen.
1936 Use reg_or_zero_operand instead of const0_rtx explicit test,
1937 use input_operand instead of move_operand for source, and use
1938 general_operand now for dest.
1939 (define_insn movhi_insn): Similar but leave sethi case.
1940 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
1941 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
1942 movhi_lo_sum respectively, prettify output string.
1943 (define_insn movsi_zero_liveg0): New pattern to put zero into a
1944 register when needed on TARGET_LIVE_G0.
1945 (define_insn movsi_insn): Use general_operand and input_operand
1946 for dest and src respectively. Simplify applicability test.
1947 Prettify output strings, and add clr alternative for J
1949 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
1950 deprecated std and reg-reg DI moves): Remove and...
1951 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
1952 implementation which uses forced splits for all non-single insn
1954 (define_split DI move cases on !arch64): New splits to handle all
1955 situations of 64-bit double register DImode on 32bit, and
1956 unaligned registers and memory addresses for all subtargets.
1957 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
1959 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
1960 input_operand for dest and src respectively, prettify output
1962 (define_insn movdf_insn, movdf_no_e_insn, store_df,
1963 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
1965 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
1966 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
1967 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
1968 movtf_no_e_insn_sp64) Replace with new
1969 implementation which uses forced splits for all non-single insn
1971 (define_split DF move cases): New splits in similar vein to DI
1973 (define_insn sethi_di_medlow, sethi_di_medium_pic,
1974 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
1975 movdi_sp64_insn): Remove old v9 code model and constant loading
1977 (define_insn pic_lo_sum_di, pic_sethi_di,
1978 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
1979 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
1980 embmedany_sethi, embmedany_losum, embmedany_brsum,
1981 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
1982 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
1983 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
1984 scheme, using unspecs, secondary reloads, and one to one sparc
1985 insn to rtl insn mapping for better scheduling and code gen.
1986 (define_expand reload_indi, reload_outdi): Reload helpers for
1987 MEDANY and EMBMEDANY symbol address loading cases which require a
1989 (define_expand movsicc): Remove v8plus_regcmp cases.
1990 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
1991 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
1992 cmp_diqi_trunc_set): New patterns used by some of the new scc
1994 (define_insn xordi3_sp64_dbl): New pattern used for constant
1995 formation when crossing from 32-bit targets.
1996 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
1998 (define_insn addx, subx): Make visible and prettify.
1999 (define_insn adddi3_insn_sp32): Likewise and force split.
2000 (define_insn addx_extend, subx_extend, unnamed): New patterns for
2001 64bit scc split usage.
2002 (define_insn unnamed plusDI zero_extend, unnamed minusDI
2003 zero_extend, subdi3): Force and implement splits.
2005 * final.c (final_scan_insn): Don't output labels if target
2006 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
2009 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
2010 don't forget to walk inside SEQUENCESs too as these are what the
2011 delay slot scheduler will create.
2013 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
2015 * alpha.md (extxl+1,+2): New patterns to work around
2018 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
2020 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
2021 caused bad assembly code to be generated.
2023 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
2025 * netbsd.h: Fix typo.
2027 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
2029 * config.sub: Fix typo.
2031 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
2033 * invoke.texi (Environment Variables): Typo: Change "ascpects"
2035 (Running Protoize): Typo: Change "ther" into "other".
2037 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
2039 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
2040 * m68k/netbsd.h: Likewise.
2041 * ns32k/netbsd.h: Likewise.
2042 * sparc/netbsd.h: Likewise.
2044 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
2046 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
2047 * ginclude/va-clipper.h (va_list): Likewise.
2049 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
2051 * rs6000.c (rs6000_override_options): If big endian and -Os, use
2052 load/store multiple instructions unless user overrides.
2054 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
2056 * ns32k/netbsd.h: Fix typo.
2058 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
2060 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
2061 labels with .debugsym if no parallel insns.
2063 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
2065 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
2066 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
2068 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
2070 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
2071 (AR_FOR_TARGET): Define.
2073 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
2075 * dyn-string.h: New file.
2076 * dyn-string.c: Likewise.
2077 * Makefile.in (OBJS): Add dyn-string.o.
2078 (dwarf2out.o): Add dyn-string.h dependency.
2079 (dyn-string.o): List dependencies.
2080 * dwarf2out.c: Include dyn-string.h.
2081 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
2082 (addr_const_to_string): Take a dyn_string_t, not a char* as a
2083 prototype. Use dyn_string_append rather than strcat, throughout.
2084 (addr_to_string): Use dyn_string_t.
2086 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
2088 Function entry/exit profiling instrumentation:
2089 * expr.h (profile_function_entry_libfunc,
2090 profile_function_exit_libfunc): Declare new variables.
2091 * optabs.c: Define them here.
2092 (init_optabs): Initialize them.
2093 * tree.h (struct tree_decl): New flag
2094 no_instrument_function_entry_exit.
2095 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
2096 * c-decl.c (duplicate_decls): Merge it.
2097 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
2098 (init_attributes): Use it for "no_instrument_function".
2099 (decl_attributes): Handle it, for functions that have not yet been
2100 compiled. Set decl flag.
2101 * flags.h (flag_instrument_function_entry_exit): Declare new
2103 * toplev.c (flag_instrument_function_entry_exit): Define it here.
2104 (f_options): New option "instrument-functions".
2105 * function.h (struct function): New field instrument_entry_exit.
2106 * function.c (current_function_instrument_entry_exit): New
2108 (push_function_context_to, pop_function_context_from): Save and
2110 (expand_function_start): Set current_ variable, maybe emit return
2111 label and entry profile call.
2112 (expand_function_end): Maybe emit exit profile call.
2114 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
2116 * i386.md (movqi): When optimizing a load of (const_int 1) into a
2117 NON_QI_REG_P, pretend the register is SImode.
2119 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
2121 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
2122 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
2123 manufacturer id for ns32k.
2124 * configure: Regenerated.
2125 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
2126 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
2127 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
2128 * config/m68k/netbsd.h: Same.
2129 * config/ns32k/netbsd.h: Same.
2130 * config/sparc/netbsd.h: Same.
2132 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
2134 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
2135 or UNROLL_COMPLETELY loop that starts with a jump to its
2138 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
2140 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
2141 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
2142 (print_operand, case 'B'): Don't fall through.
2143 (print_operand, case 'S'): Correct mask begin/end computation.
2144 Use HOST_BITS_PER_WIDE_INT.
2145 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
2146 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
2147 * rs6000/aix41.h (CPP_PREDEFINES): Same.
2148 * rs6000/aix43.h (CPP_PREDEFINES): Same.
2150 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
2152 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
2153 constraint from second alternative.
2155 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
2157 * configure.in: Fix --without/--disable cases for local-prefix,
2158 gxx-include-dir and checking.
2160 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2162 * configure.in (enable_haifa): Set by default for sparc64 too.
2165 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
2167 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
2168 * i386/winnt.c (associated_type): New fn.
2169 (i386_pe_valid_type_attribute_p): New fn.
2170 (i386_pe_check_vtable_importexport): Remove.
2171 (i386_pe_dllexport_p): Use associated_type.
2172 (i386_pe_dllimport_p): Likewise.
2174 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
2175 * i386.c (i386_valid_type_attribute_p): Also accept
2176 attributes for METHOD_TYPEs.
2178 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
2180 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
2182 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
2184 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
2186 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
2187 them from generating a new base name for each occurence of
2190 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
2192 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
2194 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
2198 * cplus-dem.c (type_kind_t): New type.
2199 (demangle_template_value_parm): Add type_kind_t parameter. Rely
2200 on this paramter, rather than demangling the type again.
2201 (demangle_integral_value): Pass tk_integral.
2202 (demangle_template_: Pass the value returned from do_type.
2203 (do_type): Return a type_kind_t. Pass tk_integral to
2204 demangle_template_value_parm for array bounds.
2205 (demangle_fund_type): Likewise.
2207 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
2209 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
2212 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
2214 * pa.c (move_operand): Accept CONSTANT_P_RTX.
2216 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
2218 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
2220 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
2223 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
2225 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
2226 (DEBUGGER_ARG_OFFSET): Likewise.
2228 * mn10300.md (movsf): Remove last change. Not needed.
2230 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
2232 * c-lex.c (yylex): Fix boundary conditions in character literal and
2233 string literal loops.
2235 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
2237 * longlong.h (count_leading_zeros): Sparclite scan instruction was
2238 being invoked incorrectly.
2240 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
2241 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
2243 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
2244 * configure.in: Added i[34567]86-*-win32
2245 * config.sub: Ditto.
2246 * configure: Rebuilt.
2248 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
2250 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
2251 the frame pointer and compiling PIC code and reload has not completed.
2253 * i386.c (output_to_reg): Add code to emulate non-popping DImode
2256 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
2258 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
2260 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2262 * Makefile.in (install-info): Only try to update the info
2263 directory file if it exists in the first place.
2265 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
2267 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
2269 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
2271 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
2272 CONST_DOUBLE source.
2274 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
2276 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
2277 strings as the insertion of USER_LABEL_PREFIX.
2278 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
2280 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
2283 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
2285 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
2286 already defined type.
2288 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
2290 * expr.c (check_max_integer_computation_mode): Allow conversions
2291 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
2292 (expand_expr): Likewise.
2294 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2296 * expr.c (expand_expr): Expand RETURN_EXPR.
2298 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
2300 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
2302 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
2304 * dwarf2out.c (output_aranges): Call stripattributes
2305 for TEXT_SECTION references.
2306 (output_line_info): Likewise.
2308 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2310 * profile.c (branch_prob): Call allocate_reg_info after outputting
2311 profile rtl in instrument_arcs.
2313 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
2315 * fixinc.irix (math.h): Install wrapper instead of copying.
2317 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2319 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
2320 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
2321 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
2322 lang_flag_0. Added documentation in the flag table.
2324 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
2326 * cccp.c (do_include): Fix vax c style include handling.
2328 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
2330 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
2332 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
2334 * fold-const.c (non_lvalue): Don't deal with null pointer
2336 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
2338 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
2340 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
2341 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
2342 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
2343 (u_short_cint_operand): Same.
2344 (reg_or_cint_operand): Same.
2345 (logical_operand): Same.
2346 (input_operand): Same.
2347 (reg_or_short_operand): Use u_short_cint_operand.
2349 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
2351 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
2352 but keep the insns and splits. Adjust so when the ultimate destination
2353 is memory, use cvtql.
2355 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
2357 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
2359 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
2361 * gcc.c (do_spec): Call "error" not "warning".
2363 * configure.in: Fix minor problems with gas feature detection code.
2364 * configure: Rebuilt.
2366 * gcc.c (do_spec): Issue a warning for '%[]' usage.
2369 * gcc.c: Delete %[spec] support.
2370 (do_spec_1, case '('): Likewise.
2371 (do_spec_1, case '['): Call error.
2373 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
2375 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
2376 (CPP_SUBTARGET_SPEC): Default to empty string.
2377 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
2378 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
2379 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
2380 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
2382 * alpha/linux.h (CPP_PREDEFINES): Tidy.
2383 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
2384 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
2385 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
2386 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
2387 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
2388 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
2389 * alpha/vxworks.h: Likewise.
2391 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
2393 * mips.md (reload_outsi): Added missing REGNO call.
2394 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
2396 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
2397 another match_operator and compare the codes.
2399 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
2401 * MIPS multiply pattern fixes:
2402 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2403 Add union classes for HI, LO, or HILO plus general registers.
2404 (GENERATE_MADD): Deleted.
2405 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
2406 Add TARGET_MAD to condition.
2407 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
2408 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
2409 "*d" for accumulator, to give preference to LO initially but not
2412 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
2414 * configure.in (enable_c_mbchar): New configure option.
2415 (extra_cpp_objs): Always available now.
2417 * cexp.y (mbchar.h): #include it.
2418 (yylex): Handle Multibyte characters in character literals.
2420 * cccp.c (mbchar.h): #include it.
2421 (main): Set character set based on LANG environment variable.
2422 (rescan): Handle multibyte characters in comments.
2423 (skip_if_group): See above.
2424 (validate_else): See above.
2425 (skip_to_end_of_comment): See above.
2426 (macarg1): See above.
2427 (discard_comments): See above.
2428 (rescan): Handle multibyte characters in string and character literals.
2429 (collect_expansion): See above.
2430 (skip_quoted_string): See above.
2431 (macroexpand): See above.
2432 (macarg1): See above.
2433 (discard_comments): See above.
2434 (change_newlines): See above.
2436 * c-lex.c (mbchar.h): #include it.
2437 (GET_ENVIRONMENT): New macro.
2438 (init_lex): Set character set based on LANG environment variable.
2439 (yylex): Handle multibyte characters in character literals.
2440 (yylex): Handle multibyte characters in string literals.
2442 * Makefile.in (mbchar.o): New target.
2443 (cccp$(exeext)): @extra_cpp_objs@ is always available.
2444 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
2446 * mbchar.[ch]: New files for multibyte character handling.
2448 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2450 * jump.c (jump_optimize): When simplifying noop moves and
2451 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
2452 the PUSHes to rewrite in second loop as we did in the first.
2454 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2456 * cplus-dem.c (demangle_nested_args): Make function definition
2457 static to match the prototype.
2459 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
2461 * alloca.c: Respect USE_C_ALLOCA.
2462 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
2463 * gengenrtl.c (xmalloc): Likewise.
2465 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
2467 * loop.h (struct induction): Add no_const_addval.
2468 * loop.c (the_movables, reg_address_cost): New variables.
2469 (init_loop): Init reg_address_cost.
2470 (loop_optimize): Call end_alias_analysis.
2471 (scan_loop): Init the_movables.
2472 (record_giv): Init induction->no_const_addval.
2473 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
2474 [REG]: Rearrange loop search test to catch more cases.
2475 (general_induction_var): Return success not benefit; take an extra
2476 argument for that. Change all callers.
2477 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
2478 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
2479 [default]: Search the_movables for additional combinations.
2480 (sge_plus_constant, sge_plus): New functions.
2481 (express_from_1): New function.
2482 (express_from): Always define. Rewrite using express_from_1.
2483 (combine_givs_p): Handle more cases. Ignore address cost.
2484 (cmp_combine_givs_stats): New function.
2485 (combine_givs_used_once, combine_givs_benefit_from): New functions.
2486 (combine_givs): Rewrite to do best-fit combination.
2488 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
2489 (fold): Do a complete (A*C)+(B*C) association check.
2491 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
2493 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
2495 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
2497 * mn10300.c (MODES_TIEABLE_P): Fix typo.
2499 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
2501 * tree.c (valid_machine_attribute): Only create a new type variant if
2502 there is a decl to use it.
2504 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
2506 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
2509 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
2511 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
2514 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
2516 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
2517 Simplify tests for clearing an address register.
2518 (expand_prologue): Corresponding changes.
2520 * mn10300.md (movXX patterns): Make sure the destination is an
2521 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
2522 (logical patterns): Split into expanders + patterns
2523 (zero and sign extension patterns): Similarly.
2524 (shift patterns): Similarly.
2526 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
2528 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
2529 for the sequence, recording base values.
2531 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
2533 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
2535 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
2537 * gcc.c: Remove ANSI-C ism from --help code.
2539 * toplev.c: Support --help with USE_CPPLIB.
2541 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
2543 * configure.in: Rework gas feature code to work with symlink based
2546 * extend.texi: Clarify some issues related to local variables
2547 assigned to explicit registers.
2549 * mn10300.md (mulsi): Turn into expander + pattern.
2551 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
2554 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
2556 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
2558 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
2560 * version.c: Bump again to distinguish mainline tree from the
2563 See ChangeLog.0 for earlier changes.
2566 add-log-time-format: current-time-string